diff options
| author | Fred Fish <fnf@specifix.com> | 1993-03-23 01:19:58 +0000 |
|---|---|---|
| committer | Fred Fish <fnf@specifix.com> | 1993-03-23 01:19:58 +0000 |
| commit | 5076de826cefc4cd828a8cf4cd6940d9a82f9e70 (patch) | |
| tree | d6a1288826d5e971b6f88cfa048f8f51b8ec3543 | |
| parent | 8256379df2a7043fdf6327a0190ab667cfbb84bf (diff) | |
| download | gdb-5076de826cefc4cd828a8cf4cd6940d9a82f9e70.zip gdb-5076de826cefc4cd828a8cf4cd6940d9a82f9e70.tar.gz gdb-5076de826cefc4cd828a8cf4cd6940d9a82f9e70.tar.bz2 | |
* config/{*.mt, *.mh}: All target and host makefile fragment
config files moved to an appropriate config/<cpu> subdirectory.
* nm-*, xm-*, tm-*: All native, host, and target files, which
get linked to nm.h, xm.h, and tm.h respectively by configure,
moved to appropriate config/<cpu> subdirectory.
210 files changed, 12724 insertions, 0 deletions
diff --git a/gdb/config/a29k/a29k-kern.mt b/gdb/config/a29k/a29k-kern.mt new file mode 100644 index 0000000..0ecf14f --- /dev/null +++ b/gdb/config/a29k/a29k-kern.mt @@ -0,0 +1,10 @@ +# Target: Remote AMD 29000 that runs Unix kernel on NYU Ultra3 processor board. +# This builds a gdb that should run on a host (we use sun3os4) that +# then communicates over the serial line to either an Adapt or MiniMon, +# for use in debugging Unix kernels. +# As compared to ordinary remote 29K debugging, this changes the register +# numbering a bit, to hold kernel regs, and adds support for looking at +# the upage. +TDEPFILES= exec.o am29k-pinsn.o am29k-tdep.o remote-mm.o remote-adapt.o +TM_FILE= tm-ultra3.h +MT_CFLAGS = -DKERNEL_DEBUGGING -DNO_HIF_SUPPORT diff --git a/gdb/config/a29k/a29k-udi.mt b/gdb/config/a29k/a29k-udi.mt new file mode 100644 index 0000000..dba0705 --- /dev/null +++ b/gdb/config/a29k/a29k-udi.mt @@ -0,0 +1,5 @@ +# Target: AMD 29000 on EB29K board over a serial line. +TDEPFILES= exec.o am29k-pinsn.o remote-udi.o am29k-tdep.o udip2soc.o udr.o +TM_FILE= tm-29k.h +# The following is for ../include/a.out.encap.h +MT_CFLAGS = -Da29k -DREMOTE -DTARGET=TARGET_AM29K -DAMD_COFF diff --git a/gdb/config/a29k/a29k.mt b/gdb/config/a29k/a29k.mt new file mode 100644 index 0000000..29ae63b --- /dev/null +++ b/gdb/config/a29k/a29k.mt @@ -0,0 +1,10 @@ +# Target: AMD 29000. +# These defines should give you a gdb running on ? (sun3os4 if you like) +# that will be able to communicate over a serial line with either an +# EB board (remote-eb.c), +# Adapt (remote-adapt.c), +# or a MiniMon debugger (remote-mm.c). +# Or run native on an Ultracomputer. +TDEPFILES= exec.o am29k-pinsn.o am29k-tdep.o remote-eb.o remote-mm.o remote-adapt.o +TM_FILE= tm-29k.h +MT_CFLAGS = -DNO_HIF_SUPPORT diff --git a/gdb/config/a29k/nm-ultra3.h b/gdb/config/a29k/nm-ultra3.h new file mode 100644 index 0000000..e593729 --- /dev/null +++ b/gdb/config/a29k/nm-ultra3.h @@ -0,0 +1,26 @@ +/* Host definitions for GDB running on a 29k NYU Ultracomputer + Copyright (C) 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc. + Contributed by David Wood (wood@lab.ultra.nyu.edu). + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* If we ever *do* end up using the standard fetch_inferior_registers, + this is the right value for U_REGS_OFFSET. */ +#define U_REGS_OFFSET 0 + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ +#define FETCH_INFERIOR_REGISTERS diff --git a/gdb/config/a29k/tm-a29k.h b/gdb/config/a29k/tm-a29k.h new file mode 100644 index 0000000..206f9d4 --- /dev/null +++ b/gdb/config/a29k/tm-a29k.h @@ -0,0 +1,709 @@ +/* Parameters for target machine of AMD 29000, for GDB, the GNU debugger. + Copyright 1990, 1991, 1993 Free Software Foundation, Inc. + Contributed by Cygnus Support. Written by Jim Kingdon. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Parameters for an EB29K (a board which plugs into a PC and is + accessed through EBMON software running on the PC, which we + use as we'd use a remote stub (see remote-eb.c). + + If gdb is ported to other 29k machines/systems, the + machine/system-specific parts should be removed from this file (a + la tm-68k.h). */ + +/* Byte order is configurable, but this machine runs big-endian. */ +#define TARGET_BYTE_ORDER BIG_ENDIAN + +/* Floating point uses IEEE representations. */ +#define IEEE_FLOAT + +/* Recognize our magic number. */ +#define BADMAG(x) ((x).f_magic != 0572) + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(pc) \ + { pc = skip_prologue (pc); } +CORE_ADDR skip_prologue (); + +/* Immediately after a function call, return the saved pc. + Can't go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) (read_register (LR0_REGNUM)) + +/* I'm not sure about the exact value of this, but based on looking + at the stack pointer when we get to main this seems to be right. + + This is the register stack; We call it "CONTROL" in GDB for consistency + with Pyramid. */ +#define CONTROL_END_ADDR 0x80200000 + +/* Memory stack. This is for the default register stack size, which is + only 0x800 bytes. Perhaps we should let the user specify stack sizes + (and tell EBMON with the "ZS" command). */ +#define STACK_END_ADDR 0x801ff800 + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Stack must be aligned on 32-bit word boundaries. */ +#define STACK_ALIGN(ADDR) (((ADDR) + 3) & ~3) + +/* Sequence of bytes for breakpoint instruction. */ +/* ASNEQ 0x50, gr1, gr1 + The trap number 0x50 is chosen arbitrarily. + We let the command line (or previously included files) override this + setting. */ +#ifndef BREAKPOINT +#if TARGET_BYTE_ORDER == BIG_ENDIAN +#define BREAKPOINT {0x72, 0x50, 0x01, 0x01} +#else /* Target is little-endian. */ +#define BREAKPOINT {0x01, 0x01, 0x50, 0x72} +#endif /* Target is little-endian. */ +#endif /* BREAKPOINT */ + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. + On the 29k, this is a "jmpi l0" instruction. */ + +#define ABOUT_TO_RETURN(pc) \ + ((read_memory_integer (pc, 4) & 0xff0000ff) == 0xc0000080) + +/* Return 1 if P points to an invalid floating point value. */ + +#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */ + +/* Say how long (ordinary) registers are. */ + +#define REGISTER_TYPE long + +/* Allow the register declarations here to be overridden for remote + kernel debugging. */ +#if !defined (REGISTER_NAMES) + +/* Number of machine registers */ + +#define NUM_REGS 205 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. + + FIXME, add floating point registers and support here. + + Also note that this list does not attempt to deal with kernel + debugging (in which the first 32 registers are gr64-gr95). */ + +#define REGISTER_NAMES \ +{"gr96", "gr97", "gr98", "gr99", "gr100", "gr101", "gr102", "gr103", "gr104", \ + "gr105", "gr106", "gr107", "gr108", "gr109", "gr110", "gr111", "gr112", \ + "gr113", "gr114", "gr115", "gr116", "gr117", "gr118", "gr119", "gr120", \ + "gr121", "gr122", "gr123", "gr124", "gr125", "gr126", "gr127", \ + "lr0", "lr1", "lr2", "lr3", "lr4", "lr5", "lr6", "lr7", "lr8", "lr9", \ + "lr10", "lr11", "lr12", "lr13", "lr14", "lr15", "lr16", "lr17", "lr18", \ + "lr19", "lr20", "lr21", "lr22", "lr23", "lr24", "lr25", "lr26", "lr27", \ + "lr28", "lr29", "lr30", "lr31", "lr32", "lr33", "lr34", "lr35", "lr36", \ + "lr37", "lr38", "lr39", "lr40", "lr41", "lr42", "lr43", "lr44", "lr45", \ + "lr46", "lr47", "lr48", "lr49", "lr50", "lr51", "lr52", "lr53", "lr54", \ + "lr55", "lr56", "lr57", "lr58", "lr59", "lr60", "lr61", "lr62", "lr63", \ + "lr64", "lr65", "lr66", "lr67", "lr68", "lr69", "lr70", "lr71", "lr72", \ + "lr73", "lr74", "lr75", "lr76", "lr77", "lr78", "lr79", "lr80", "lr81", \ + "lr82", "lr83", "lr84", "lr85", "lr86", "lr87", "lr88", "lr89", "lr90", \ + "lr91", "lr92", "lr93", "lr94", "lr95", "lr96", "lr97", "lr98", "lr99", \ + "lr100", "lr101", "lr102", "lr103", "lr104", "lr105", "lr106", "lr107", \ + "lr108", "lr109", "lr110", "lr111", "lr112", "lr113", "lr114", "lr115", \ + "lr116", "lr117", "lr118", "lr119", "lr120", "lr121", "lr122", "lr123", \ + "lr124", "lr125", "lr126", "lr127", \ + "AI0", "AI1", "AI2", "AI3", "AI4", "AI5", "AI6", "AI7", "AI8", "AI9", \ + "AI10", "AI11", "AI12", "AI13", "AI14", "AI15", "FP", \ + "bp", "fc", "cr", "q", \ + "vab", "ops", "cps", "cfg", "cha", "chd", "chc", "rbp", "tmc", "tmr", \ + "pc0", "pc1", "pc2", "mmu", "lru", "fpe", "inte", "fps", "exo", "gr1", \ + "alu", "ipc", "ipa", "ipb" } + +/* + * Converts an sdb register number to an internal gdb register number. + * Currently under epi, gr96->0...gr127->31...lr0->32...lr127->159, or... + * gr64->0...gr95->31, lr0->32...lr127->159. + */ +#define SDB_REG_TO_REGNUM(value) \ + (((value) >= 96 && (value) <= 127) ? ((value) - 96) : \ + ((value) >= 128 && (value) <= 255) ? ((value) - 128 + LR0_REGNUM) : \ + (value)) + +/* + * Provide the processor register numbers of some registers that are + * expected/written in instructions that might change under different + * register sets. Namely, gcc can compile (-mkernel-registers) so that + * it uses gr64-gr95 in stead of gr96-gr127. + */ +#define MSP_HW_REGNUM 125 /* gr125 */ +#define RAB_HW_REGNUM 126 /* gr126 */ + +/* Convert Processor Special register #x to REGISTER_NAMES register # */ +#define SR_REGNUM(x) \ + ((x) < 15 ? VAB_REGNUM + (x) \ + : (x) >= 128 && (x) < 131 ? IPC_REGNUM + (x) - 128 \ + : (x) == 131 ? Q_REGNUM \ + : (x) == 132 ? ALU_REGNUM \ + : (x) >= 133 && (x) < 136 ? BP_REGNUM + (x) - 133 \ + : (x) >= 160 && (x) < 163 ? FPE_REGNUM + (x) - 160 \ + : (x) == 164 ? EXO_REGNUM \ + : (error ("Internal error in SR_REGNUM"), 0)) +#define GR96_REGNUM 0 +/* Define the return register separately, so it can be overridden for + kernel procedure calling conventions. */ +#define RETURN_REGNUM GR96_REGNUM +#define GR1_REGNUM 200 +/* This needs to be the memory stack pointer, not the register stack pointer, + to make call_function work right. */ +#define SP_REGNUM MSP_REGNUM +#define FP_REGNUM 33 /* lr1 */ +/* Large Return Pointer (gr123). */ +#define LRP_REGNUM (123 - 96 + GR96_REGNUM) +/* Static link pointer (gr124). */ +#define SLP_REGNUM (124 - 96 + GR96_REGNUM) +/* Memory Stack Pointer (gr125). */ +#define MSP_REGNUM (125 - 96 + GR96_REGNUM) +/* Register allocate bound (gr126). */ +#define RAB_REGNUM (126 - 96 + GR96_REGNUM) +/* Register Free Bound (gr127). */ +#define RFB_REGNUM (127 - 96 + GR96_REGNUM) +/* Register Stack Pointer. */ +#define RSP_REGNUM GR1_REGNUM +#define LR0_REGNUM 32 +#define BP_REGNUM 177 +#define FC_REGNUM 178 +#define CR_REGNUM 179 +#define Q_REGNUM 180 +#define VAB_REGNUM 181 +#define OPS_REGNUM (VAB_REGNUM + 1) +#define CPS_REGNUM (VAB_REGNUM + 2) +#define CFG_REGNUM (VAB_REGNUM + 3) +#define CHA_REGNUM (VAB_REGNUM + 4) +#define CHD_REGNUM (VAB_REGNUM + 5) +#define CHC_REGNUM (VAB_REGNUM + 6) +#define RBP_REGNUM (VAB_REGNUM + 7) +#define TMC_REGNUM (VAB_REGNUM + 8) +#define TMR_REGNUM (VAB_REGNUM + 9) +#define NPC_REGNUM (VAB_REGNUM + 10) /* pc0 */ +#define PC_REGNUM (VAB_REGNUM + 11) /* pc1 */ +#define PC2_REGNUM (VAB_REGNUM + 12) +#define MMU_REGNUM (VAB_REGNUM + 13) +#define LRU_REGNUM (VAB_REGNUM + 14) +#define FPE_REGNUM (VAB_REGNUM + 15) +#define INTE_REGNUM (VAB_REGNUM + 16) +#define FPS_REGNUM (VAB_REGNUM + 17) +#define EXO_REGNUM (VAB_REGNUM + 18) +/* gr1 is defined above as 200 = VAB_REGNUM + 19 */ +#define ALU_REGNUM (VAB_REGNUM + 20) +#define PS_REGNUM ALU_REGNUM +#define IPC_REGNUM (VAB_REGNUM + 21) +#define IPA_REGNUM (VAB_REGNUM + 22) +#define IPB_REGNUM (VAB_REGNUM + 23) + +#endif /* !defined(REGISTER_NAMES) */ + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +#define REGISTER_BYTES (NUM_REGS * 4) + +/* Index within `registers' of the first byte of the space for + register N. */ +#define REGISTER_BYTE(N) ((N)*4) + +/* Number of bytes of storage in the actual machine representation + for register N. */ + +/* All regs are 4 bytes. */ + +#define REGISTER_RAW_SIZE(N) (4) + +/* Number of bytes of storage in the program's representation + for register N. */ + +/* All regs are 4 bytes. */ + +#define REGISTER_VIRTUAL_SIZE(N) (4) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE (4) + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE (4) + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) (0) + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ +{ bcopy ((FROM), (TO), 4); } + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ +{ bcopy ((FROM), (TO), 4); } + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) \ + (((N) == PC_REGNUM || (N) == LRP_REGNUM || (N) == SLP_REGNUM \ + || (N) == MSP_REGNUM || (N) == RAB_REGNUM || (N) == RFB_REGNUM \ + || (N) == GR1_REGNUM || (N) == FP_REGNUM || (N) == LR0_REGNUM \ + || (N) == NPC_REGNUM || (N) == PC2_REGNUM) \ + ? lookup_pointer_type (builtin_type_void) : builtin_type_int) + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ +/* On the 29k the LRP points to the part of the structure beyond the first + 16 words. */ +#define STORE_STRUCT_RETURN(ADDR, SP) \ + write_register (LRP_REGNUM, (ADDR) + 16 * 4); + +/* Should call_function allocate stack space for a struct return? */ +/* On the 29k objects over 16 words require the caller to allocate space. */ +#define USE_STRUCT_CONVENTION(gcc_p, type) (TYPE_LENGTH (type) > 16 * 4) + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + { \ + int reg_length = TYPE_LENGTH (TYPE); \ + if (reg_length > 16 * 4) \ + { \ + reg_length = 16 * 4; \ + read_memory (*((int *)(REGBUF) + LRP_REGNUM), (VALBUF) + 16 * 4, \ + TYPE_LENGTH (TYPE) - 16 * 4); \ + } \ + bcopy (((int *)(REGBUF))+RETURN_REGNUM, (VALBUF), reg_length); \ + } + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + { \ + int reg_length = TYPE_LENGTH (TYPE); \ + if (reg_length > 16 * 4) \ + { \ + reg_length = 16 * 4; \ + write_memory (read_register (LRP_REGNUM), \ + (char *)(VALBUF) + 16 * 4, \ + TYPE_LENGTH (TYPE) - 16 * 4); \ + } \ + write_register_bytes (REGISTER_BYTE (RETURN_REGNUM), (char *)(VALBUF), \ + TYPE_LENGTH (TYPE)); \ + } + +/* The am29k user's guide documents well what the stacks look like. + But what isn't so clear there is how this interracts with the + symbols, or with GDB. + In the following saved_msp, saved memory stack pointer (which functions + as a memory frame pointer), means either + a register containing the memory frame pointer or, in the case of + functions with fixed size memory frames (i.e. those who don't use + alloca()), the result of the calculation msp + msize. + + LOC_ARG, LOC_LOCAL - For GCC, these are relative to saved_msp. + For high C, these are relative to msp (making alloca impossible). + LOC_REGISTER, LOC_REGPARM - The register number is the number at the + time the function is running (after the prologue), or in the case + of LOC_REGPARM, may be a register number in the range 160-175. + + The compilers do things like store an argument into memory, and then put out + a LOC_ARG for it, or put it into global registers and put out a + LOC_REGPARM. Thus is it important to execute the first line of + code (i.e. the line of the open brace, i.e. the prologue) of a function + before trying to print arguments or anything. + + The following diagram attempts to depict what is going on in memory + (see also the _am29k user's guide_) and also how that interacts with + GDB frames. We arbitrarily pick fci->frame to point the same place + as the register stack pointer; since we set it ourself in + INIT_EXTRA_FRAME_INFO, and access it only through the FRAME_* + macros, it doesn't really matter exactly how we + do it. However, note that FRAME_FP is used in two ways in GDB: + (1) as a "magic cookie" which uniquely identifies frames (even over + calls to the inferior), (2) (in PC_IN_CALL_DUMMY [ON_STACK]) + as the value of SP_REGNUM before the dummy frame was pushed. These + two meanings would be incompatible for the 29k if we defined + CALL_DUMMY_LOCATION == ON_STACK (but we don't, so don't worry about it). + Also note that "lr1" below, while called a frame pointer + in the user's guide, has only one function: To determine whether + registers need to be filled in the function epilogue. + + Consider the code: + < call bar> + loc1: . . . + bar: sub gr1,gr1,rsize_b + . . . + add mfp,msp,0 + sub msp,msp,msize_b + . . . + < call foo > + loc2: . . . + foo: sub gr1,gr1,rsize_f + . . . + add mfp,msp,0 + sub msp,msp,msize_f + . . . + loc3: < suppose the inferior stops here > + + memory stack register stack + | | |____________| + | | |____loc1____| + +------->|___________| | | ^ + | | ^ | | locals_b | | + | | | | |____________| | + | | | | | | | rsize_b + | | | msize_b | | args_to_f | | + | | | | |____________| | + | | | | |____lr1_____| V + | | V | |____loc2____|<----------------+ + | +--->|___________|<---------mfp | ^ | + | | | ^ | | locals_f | | | + | | | | msize_f | |____________| | | + | | | | | | | | rsize_f | + | | | V | | args | | | + | | |___________|<msp |____________| | | + | | |_____lr1____| V | + | | |___garbage__| <- gr1 <----+ | + | | | | + | | | | + | | pc=loc3 | | + | | | | + | | | | + | | frame cache | | + | | |_________________| | | + | | |rsize=rsize_b | | | + | | |msize=msize_b | | | + +---|--------saved_msp | | | + | |frame------------------------------------|---+ + | |pc=loc2 | | + | |_________________| | + | |rsize=rsize_f | | + | |msize=msize_f | | + +--------saved_msp | | + |frame------------------------------------+ + |pc=loc3 | + |_________________| + + So, is that sufficiently confusing? Welcome to the 29000. + Notes: + * The frame for foo uses a memory frame pointer but the frame for + bar does not. In the latter case the saved_msp is + computed by adding msize to the saved_msp of the + next frame. + * msize is in the frame cache only for high C's sake. */ + +void read_register_stack (); +long read_register_stack_integer (); + +#define EXTRA_FRAME_INFO \ + CORE_ADDR saved_msp; \ + unsigned int rsize; \ + unsigned int msize; \ + unsigned char flags; + +/* Bits for flags in EXTRA_FRAME_INFO */ +#define TRANSPARENT 0x1 /* This is a transparent frame */ +#define MFP_USED 0x2 /* A memory frame pointer is used */ + +/* Because INIT_FRAME_PC gets passed fromleaf, that's where we init + not only ->pc and ->frame, but all the extra stuff, when called from + get_prev_frame_info, that is. */ +#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci) +void init_extra_frame_info (); + +#define INIT_FRAME_PC(fromleaf, fci) init_frame_pc(fromleaf, fci) +void init_frame_pc (); + + +/* FRAME_CHAIN takes a FRAME + and produces the frame's chain-pointer. + + However, if FRAME_CHAIN_VALID returns zero, + it means the given frame is the outermost one and has no caller. */ + +/* On the 29k, the nominal address of a frame is the address on the + register stack of the return address (the one next to the incoming + arguments, not down at the bottom so nominal address == stack pointer). + + GDB expects "nominal address" to equal contents of FP_REGNUM, + at least when it comes time to create the innermost frame. + However, that doesn't work for us, so when creating the innermost + frame we set ->frame ourselves in INIT_EXTRA_FRAME_INFO. */ + +/* These are mostly dummies for the 29k because INIT_FRAME_PC + sets prev->frame instead. */ +#define FRAME_CHAIN(thisframe) ((thisframe)->frame + (thisframe)->rsize) + +/* Determine if the frame has a 'previous' and back-traceable frame. */ +#define FRAME_IS_UNCHAINED(frame) ((frame)->flags & TRANSPARENT) + +/* Find the previous frame of a transparent routine. + * For now lets not try and trace through a transparent routine (we might + * have to assume that all transparent routines are traps). + */ +#define FIND_PREV_UNCHAINED_FRAME(frame) 0 + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + (FRAMELESS) = frameless_look_for_prologue(FI) + +/* Saved pc (i.e. return address). */ +#define FRAME_SAVED_PC(fraim) \ + (read_register_stack_integer ((fraim)->frame + (fraim)->rsize, 4)) + +/* Local variables (i.e. LOC_LOCAL) are on the memory stack, with their + offsets being relative to the memory stack pointer (high C) or + saved_msp (gcc). */ + +#define FRAME_LOCALS_ADDRESS(fi) frame_locals_address (fi) +extern CORE_ADDR frame_locals_address (); + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. */ +/* While we could go the effort of finding the tags word and getting + the argcount field from it, + (1) It only counts arguments in registers, i.e. the first 16 words + of arguments + (2) It gives the number of arguments the function was declared with + not how many it was called with (or some variation, like all 16 + words for varadic functions). This makes argcount pretty much + redundant with -g info, even for varadic functions. + So don't bother. */ +#define FRAME_NUM_ARGS(numargs, fi) ((numargs) = -1) + +#define FRAME_ARGS_ADDRESS(fi) FRAME_LOCALS_ADDRESS (fi) + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 0 + +/* Provide our own get_saved_register. HAVE_REGISTER_WINDOWS is insufficient + because registers get renumbered on the 29k without getting saved. */ + +#define GET_SAVED_REGISTER + +/* Call function stuff. */ + +/* The dummy frame looks like this (see also the general frame picture + above): + + register stack + + | | frame for function + | locals_sproc | executing at time + |________________| of call_function. + | | We must not disturb + | args_out_sproc | it. + memory stack |________________| + |____lr1_sproc___|<-+ + | | |__retaddr_sproc_| | <-- gr1 (at start) + |____________|<-msp 0 <-----------mfp_dummy_____| | + | | (at start) | save regs | | + | arg_slop | | pc0,pc1 | | + | (16 words) | | gr96-gr124 | | + |____________|<-msp 1--after | sr160-sr162 | | + | | PUSH_DUMMY_FRAME| sr128-sr135 | | + | struct ret | |________________| | + | 17+ | | | | + |____________|<- lrp | args_out_dummy | | + | struct ret | | (16 words) | | + | 16 | |________________| | + | (16 words) | |____lr1_dummy___|--+ + |____________|<- msp 2--after |_retaddr_dummy__|<- gr1 after + | | struct ret | | PUSH_DUMMY_FRAME + | margs17+ | area allocated | locals_inf | + | | |________________| called + |____________|<- msp 4--when | | function's + | | inf called | args_out_inf | frame (set up + | margs16 | |________________| by called + | (16 words) | |_____lr1_inf____| function). + |____________|<- msp 3--after | . | + | | args pushed | . | + | | | . | + | | + + arg_slop: This area is so that when the call dummy adds 16 words to + the msp, it won't end up larger than mfp_dummy (it is needed in the + case where margs and struct_ret do not add up to at least 16 words). + struct ret: This area is allocated by GDB if the return value is more + than 16 words. struct ret_16 is not used on the 29k. + margs: Pushed by GDB. The call dummy copies the first 16 words to + args_out_dummy. + retaddr_sproc: Contains the PC at the time we call the function. + set by PUSH_DUMMY_FRAME and read by POP_FRAME. + retaddr_dummy: This points to a breakpoint instruction in the dummy. */ + +/* Rsize for dummy frame, in bytes. */ + +/* Bytes for outgoing args, lr1, and retaddr. */ +#define DUMMY_ARG (2 * 4 + 16 * 4) + +/* Number of special registers (sr128-) to save. */ +#define DUMMY_SAVE_SR128 8 +/* Number of special registers (sr160-) to save. */ +#define DUMMY_SAVE_SR160 3 +/* Number of general (gr96- or gr64-) registers to save. */ +#define DUMMY_SAVE_GREGS 29 + +#define DUMMY_FRAME_RSIZE \ +(4 /* mfp_dummy */ \ + + 2 * 4 /* pc0, pc1 */ \ + + DUMMY_SAVE_GREGS * 4 \ + + DUMMY_SAVE_SR160 * 4 \ + + DUMMY_SAVE_SR128 * 4 \ + + DUMMY_ARG \ + + 4 /* pad to doubleword */ ) + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME push_dummy_frame() +extern void push_dummy_frame (); + +/* Discard from the stack the innermost frame, + restoring all saved registers. */ + +#define POP_FRAME pop_frame() +extern void pop_frame (); + +/* This sequence of words is the instructions + mtsrim cr, 15 + loadm 0, 0, lr2, msp ; load first 16 words of arguments into registers + add msp, msp, 16 * 4 ; point to the remaining arguments + CONST_INSN: + const lr0,inf ; (replaced by half of target addr) + consth lr0,inf ; (replaced by other half of target addr) + calli lr0, lr0 + aseq 0x40,gr1,gr1 ; nop + BREAKPT_INSN: + asneq 0x50,gr1,gr1 ; breakpoint (replaced by local breakpoint insn) + */ + +#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER +#define BS(const) const +#else +#define BS(const) (((const) & 0xff) << 24) | \ + (((const) & 0xff00) << 8) | \ + (((const) & 0xff0000) >> 8) | \ + (((const) & 0xff000000) >> 24) +#endif + +/* Position of the "const" and blkt instructions within CALL_DUMMY in bytes. */ +#define CONST_INSN (3 * 4) +#define BREAKPT_INSN (7 * 4) +#define CALL_DUMMY { \ + BS(0x0400870f),\ + BS(0x36008200|(MSP_HW_REGNUM)), \ + BS(0x15000040|(MSP_HW_REGNUM<<8)|(MSP_HW_REGNUM<<16)), \ + BS(0x03ff80ff), \ + BS(0x02ff80ff), \ + BS(0xc8008080), \ + BS(0x70400101), \ + BS(0x72500101)} +#define CALL_DUMMY_LENGTH (8 * 4) + +#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */ + +/* Helper macro for FIX_CALL_DUMMY. WORDP is a long * which points to a + word in target byte order; bits 0-7 and 16-23 of *WORDP are replaced with + bits 0-7 and 8-15 of DATA (which is in host byte order). */ + +#if TARGET_BYTE_ORDER == BIG_ENDIAN +#define STUFF_I16(WORDP, DATA) \ + { \ + *((char *)(WORDP) + 3) = ((DATA) & 0xff);\ + *((char *)(WORDP) + 1) = (((DATA) >> 8) & 0xff);\ + } +#else /* Target is little endian. */ +#define STUFF_I16(WORDP, DATA) \ + { + *(char *)(WORDP) = ((DATA) & 0xff); + *((char *)(WORDP) + 2) = (((DATA) >> 8) & 0xff); + } +#endif /* Target is little endian. */ + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. */ + +/* Currently this stuffs in the address of the function that we are calling. + Since different 29k systems use different breakpoint instructions, it + also stuffs BREAKPOINT in the right place (to avoid having to + duplicate CALL_DUMMY in each tm-*.h file). */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ + {\ + STUFF_I16((char *)dummyname + CONST_INSN, fun); \ + STUFF_I16((char *)dummyname + CONST_INSN + 4, fun >> 16); \ + /* FIXME memcpy ((char *)(dummyname) + BREAKPT_INSN, break_insn, 4); */ \ + } + +/* 29k architecture has separate data & instruction memories -- wired to + different pins on the chip -- and can't execute the data memory. + Also, there should be space after text_end; + we won't get a SIGSEGV or scribble on data space. */ + +#define CALL_DUMMY_LOCATION AFTER_TEXT_END + +/* Because of this, we need (as a kludge) to know the addresses of the + text section. */ + +#define NEED_TEXT_START_END + +/* How to translate register numbers in the .stab's into gdb's internal register + numbers. We don't translate them, but we warn if an invalid register + number is seen. Note that FIXME, we use the value "sym" as an implicit + argument in printing the error message. It happens to be available where + this macro is used. (This macro definition appeared in a late revision + of gdb-3.91.6 and is not well tested. Also, it should be a "complaint".) */ + +#define STAB_REG_TO_REGNUM(num) \ + (((num) > LR0_REGNUM + 127) \ + ? fprintf(stderr, \ + "Invalid register number %d in symbol table entry for %s\n", \ + (num), SYMBOL_SOURCE_NAME (sym)), (num) \ + : (num)) diff --git a/gdb/config/a29k/tm-ultra3.h b/gdb/config/a29k/tm-ultra3.h new file mode 100644 index 0000000..1603d8b --- /dev/null +++ b/gdb/config/a29k/tm-ultra3.h @@ -0,0 +1,226 @@ +/* Parameters for NYU Ultracomputer 29000 target, for GDB, the GNU debugger. + Copyright 1990, 1991 Free Software Foundation, Inc. + Contributed by David Wood @ New York University (wood@nyu.edu). + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This file includes tm-29k.h, but predefines REGISTER_NAMES and + related macros. The file supports a 29k running our flavor of + Unix on our Ultra3 PE Boards. */ + +/* Byte order is configurable, but this machine runs big-endian. */ +#define TARGET_BYTE_ORDER BIG_ENDIAN + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. + */ +#define NUM_REGS (EXO_REGNUM + 1) + +#define REGISTER_NAMES { \ + "gr1", \ + "gr64", "gr65", "gr66", "gr67", "gr68", "gr69", "gr70", "gr71", "gr72", \ + "gr73", "gr74", "gr75", "gr76", "gr77", "gr78", "gr79", "gr80", "gr81", \ + "gr82", "gr83", "gr84", "gr85", "gr86", "gr87", "gr88", "gr89", "gr90", \ + "gr91", "gr92", "gr93", "gr94", "gr95", \ + "gr96", "gr97", "gr98", "gr99", "gr100", "gr101", "gr102", "gr103", "gr104", \ + "gr105", "gr106", "gr107", "gr108", "gr109", "gr110", "gr111", "gr112", \ + "gr113", "gr114", "gr115", "gr116", "gr117", "gr118", "gr119", "gr120", \ + "gr121", "gr122", "gr123", "gr124", "gr125", "gr126", "gr127", \ + "lr0", "lr1", "lr2", "lr3", "lr4", "lr5", "lr6", "lr7", "lr8", "lr9", \ + "lr10", "lr11", "lr12", "lr13", "lr14", "lr15", "lr16", "lr17", "lr18", \ + "lr19", "lr20", "lr21", "lr22", "lr23", "lr24", "lr25", "lr26", "lr27", \ + "lr28", "lr29", "lr30", "lr31", "lr32", "lr33", "lr34", "lr35", "lr36", \ + "lr37", "lr38", "lr39", "lr40", "lr41", "lr42", "lr43", "lr44", "lr45", \ + "lr46", "lr47", "lr48", "lr49", "lr50", "lr51", "lr52", "lr53", "lr54", \ + "lr55", "lr56", "lr57", "lr58", "lr59", "lr60", "lr61", "lr62", "lr63", \ + "lr64", "lr65", "lr66", "lr67", "lr68", "lr69", "lr70", "lr71", "lr72", \ + "lr73", "lr74", "lr75", "lr76", "lr77", "lr78", "lr79", "lr80", "lr81", \ + "lr82", "lr83", "lr84", "lr85", "lr86", "lr87", "lr88", "lr89", "lr90", \ + "lr91", "lr92", "lr93", "lr94", "lr95", "lr96", "lr97", "lr98", "lr99", \ + "lr100", "lr101", "lr102", "lr103", "lr104", "lr105", "lr106", "lr107", \ + "lr108", "lr109", "lr110", "lr111", "lr112", "lr113", "lr114", "lr115", \ + "lr116", "lr117", "lr118", "lr119", "lr120", "lr121", "lr122", "lr123", \ + "lr124", "lr125", "lr126", "lr127", \ + "vab", "ops", "cps", "cfg", "cha", "chd", "chc", "rbp", "tmc", "tmr", \ + "pc0", "pc1", "pc2", "mmu", "lru", \ + "ipc", "ipa", "ipb", "q", "alu", "bp", "fc", "cr", \ + "fpe", "int", "fps", "exo" } + + +#ifdef KERNEL_DEBUGGING +# define PADDR_U_REGNUM 22 /* gr86 */ +# define RETURN_REGNUM GR64_REGNUM +#else +# define RETURN_REGNUM GR96_REGNUM +#endif /* KERNEL_DEBUGGING */ + + +/* Should rename all GR96_REGNUM to RETURN_REGNUM */ +#define GR1_REGNUM (0) +#define GR64_REGNUM 1 +#define GR96_REGNUM (GR64_REGNUM + 32) +/* This needs to be the memory stack pointer, not the register stack pointer, + to make call_function work right. */ +#define SP_REGNUM MSP_REGNUM + +#define FP_REGNUM (LR0_REGNUM + 1) /* lr1 */ +/* Large Return Pointer */ +#define LRP_REGNUM (123 - 96 + RETURN_REGNUM) +/* Static link pointer */ +#define SLP_REGNUM (124 - 96 + RETURN_REGNUM) +/* Memory Stack Pointer. */ +#define MSP_REGNUM (125 - 96 + RETURN_REGNUM) +/* Register allocate bound. */ +#define RAB_REGNUM (126 - 96 + RETURN_REGNUM) +/* Register Free Bound. */ +#define RFB_REGNUM (127 - 96 + RETURN_REGNUM) +/* Register Stack Pointer. */ +#define RSP_REGNUM GR1_REGNUM +#define LR0_REGNUM ( 32 + GR96_REGNUM) + +/* Protected Special registers */ +#define VAB_REGNUM (LR0_REGNUM + 128) +#define OPS_REGNUM (VAB_REGNUM + 1) +#define CPS_REGNUM (VAB_REGNUM + 2) +#define CFG_REGNUM (VAB_REGNUM + 3) +#define CHA_REGNUM (VAB_REGNUM + 4) +#define CHD_REGNUM (VAB_REGNUM + 5) +#define CHC_REGNUM (VAB_REGNUM + 6) +#define RBP_REGNUM (VAB_REGNUM + 7) +#define TMC_REGNUM (VAB_REGNUM + 8) +#define TMR_REGNUM (VAB_REGNUM + 9) +#define NPC_REGNUM (VAB_REGNUM + 10) /* pc0 */ +#define PC_REGNUM (VAB_REGNUM + 11) /* pc1 */ +#define PC2_REGNUM (VAB_REGNUM + 12) /* pc2 */ +#define MMU_REGNUM (VAB_REGNUM + 13) +#define LRU_REGNUM (VAB_REGNUM + 14) + /* Register sequence gap */ +/* Unprotected Special registers */ +#define IPC_REGNUM (LRU_REGNUM + 1) +#define IPA_REGNUM (IPC_REGNUM + 1) +#define IPB_REGNUM (IPC_REGNUM + 2) +#define Q_REGNUM (IPC_REGNUM + 3) +#define ALU_REGNUM (IPC_REGNUM + 4) +#define PS_REGNUM ALU_REGNUM +#define BP_REGNUM (IPC_REGNUM + 5) +#define FC_REGNUM (IPC_REGNUM + 6) +#define CR_REGNUM (IPC_REGNUM + 7) + /* Register sequence gap */ +#define FPE_REGNUM (CR_REGNUM + 1) +#define INT_REGNUM (FPE_REGNUM + 1) +#define FPS_REGNUM (FPE_REGNUM + 2) + /* Register sequence gap */ +#define EXO_REGNUM (FPS_REGNUM + 1) + +/* Special register #x. */ +#define SR_REGNUM(x) \ + ((x) < 15 ? VAB_REGNUM + (x) \ + : (x) >= 128 && (x) < 136 ? IPC_REGNUM + (x-128) \ + : (x) >= 160 && (x) < 163 ? FPE_REGNUM + (x-160) \ + : (x) == 164 ? EXO_REGNUM \ + : (error ("Internal error in SR_REGNUM"), 0)) + +#ifndef KERNEL_DEBUGGING +/* + * This macro defines the register numbers (from REGISTER_NAMES) that + * are effectively unavailable to the user through ptrace(). It allows + * us to include the whole register set in REGISTER_NAMES (inorder to + * better support remote debugging). If it is used in + * fetch/store_inferior_registers() gdb will not complain about I/O errors + * on fetching these registers. If all registers in REGISTER_NAMES + * are available, then return false (0). + */ +#define CANNOT_STORE_REGISTER(regno) \ + (((regno)>=GR64_REGNUM && (regno)<GR64_REGNUM+32) || \ + ((regno)==VAB_REGNUM) || \ + ((regno)==OPS_REGNUM) || \ + ((regno)>=CFG_REGNUM && (regno)<=TMR_REGNUM) || \ + ((regno)==MMU_REGNUM) || \ + ((regno)==LRU_REGNUM) || \ + ((regno)>=ALU_REGNUM) || \ + ((regno)==CR_REGNUM) || \ + ((regno)==EXO_REGNUM)) +#define CANNOT_FETCH_REGISTER(regno) CANNOT_STORE_REGISTER(regno) +#endif /* KERNEL_DEBUGGING */ + +/* + * Converts an sdb register number to an internal gdb register number. + * Currently under gcc, gr96->0...gr128->31...lr0->32...lr127->159, or... + * gr64->0...gr95->31, lr0->32...lr127->159. + */ +#define SDB_REG_TO_REGNUM(value) (((value)<32) ? ((value)+RETURN_REGNUM) : \ + ((value)-32+LR0_REGNUM)) + +#ifdef KERNEL_DEBUGGING + /* ublock virtual address as defined in our sys/param.h */ + /* FIXME: Should get this from sys/param.h */ +# define UVADDR ((32*0x100000)-8192) +#endif + +/* + * Are we in sigtramp(), needed in infrun.c. Specific to ultra3, because + * we take off the leading '_'. + */ +#if !defined(KERNEL_DEBUGGING) +#ifdef SYM1 +# define IN_SIGTRAMP(pc, name) (name && STREQ ("sigtramp", name)) +#else + Need to define IN_SIGTRAMP() for sym2. +#endif +#endif /* !KERNEL_DEBUGGING */ + +#include "a29k/tm-29k.h" + +/**** The following are definitions that override those in tm-29k.h ****/ + +/* This sequence of words is the instructions + mtsrim cr, 15 + loadm 0, 0, lr2, msp ; load first 16 words of arguments into registers + add msp, msp, 16 * 4 ; point to the remaining arguments + CONST_INSN: + const gr96,inf + consth gr96,inf + calli lr0, gr96 + aseq 0x40,gr1,gr1 ; nop + asneq 0x50,gr1,gr1 ; breakpoint + When KERNEL_DEBUGGIN is defined, msp -> gr93, gr96 -> gr64, + 7d -> 5d, 60 -> 40 + */ + +/* Position of the "const" instruction within CALL_DUMMY in bytes. */ +#undef CALL_DUMMY +#if TARGET_BYTE_ORDER == HOST_BYTE_ORDER +#ifdef KERNEL_DEBUGGING /* gr96 -> gr64 */ +# define CALL_DUMMY {0x0400870f, 0x3600825d, 0x155d5d40, 0x03ff40ff, \ + 0x02ff40ff, 0xc8008040, 0x70400101, 0x72500101} +#else +# define CALL_DUMMY {0x0400870f, 0x3600827d, 0x157d7d40, 0x03ff60ff, \ + 0x02ff60ff, 0xc8008060, 0x70400101, 0x72500101} +#endif /* KERNEL_DEBUGGING */ +#else /* Byte order differs. */ + you lose +#endif /* Byte order differs. */ + +#if !defined(KERNEL_DEBUGGING) +# ifdef SYM1 +# undef DECR_PC_AFTER_BREAK +# define DECR_PC_AFTER_BREAK 0 /* Sym1 kernel does the decrement */ +# else + ->"ULTRA3 running other than sym1 OS"!; +# endif +#endif /* !KERNEL_DEBUGGING */ + diff --git a/gdb/config/a29k/ultra3.mh b/gdb/config/a29k/ultra3.mh new file mode 100644 index 0000000..5bcfb4c --- /dev/null +++ b/gdb/config/a29k/ultra3.mh @@ -0,0 +1,9 @@ +# Host: NYU Ultracomputer (AMD 29000 running Unix) +CC=u3cc +MUNCH_DEFINE="MUNCH_NM=u3nm" +XDEPFILES= ultra3-xdep.o +XM_FILE= xm-ultra3.h +NAT_FILE= nm-ultra3.h +NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o ultra3-nat.o +MH_CFLAGS = -DSYM1 +XM_CLIBS = -lsysv -ljobs -ltermlib diff --git a/gdb/config/a29k/ultra3.mt b/gdb/config/a29k/ultra3.mt new file mode 100644 index 0000000..840b79d --- /dev/null +++ b/gdb/config/a29k/ultra3.mt @@ -0,0 +1,5 @@ +# Target: AMD 29000 running Unix on New York Univerisity processor board. +TDEPFILES= am29k-pinsn.o am29k-tdep.o +TM_FILE= tm-ultra3.h +# SYM1 is some OS they have. +MT_CFLAGS = -DSYM1 diff --git a/gdb/config/a29k/xm-ultra3.h b/gdb/config/a29k/xm-ultra3.h new file mode 100644 index 0000000..0abf68d --- /dev/null +++ b/gdb/config/a29k/xm-ultra3.h @@ -0,0 +1,56 @@ +/* Host definitions for GDB running on a 29k NYU Ultracomputer + Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc. + Contributed by David Wood (wood@lab.ultra.nyu.edu). + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Here at NYU we have what we call an ULTRA3 PE board. So + ifdefs for ULTRA3 are my doing. At this point in time, + I don't know of any other Unixi running on the 29k. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +#define HAVE_WAIT_STRUCT + +#ifndef L_SET +# define L_SET 0 /* set the seek pointer */ +# define L_INCR 1 /* increment the seek pointer */ +# define L_XTND 2 /* extend the file size */ +#endif + +#ifndef O_RDONLY +# define O_RDONLY 0 +# define O_WRONLY 1 +# define O_RDWR 2 +#endif + +#ifndef F_OK +# define R_OK 4 +# define W_OK 2 +# define X_OK 1 +# define F_OK 0 +#endif + +/* Get rid of any system-imposed stack limit if possible */ + +#define SET_STACK_LIMIT_HUGE + +/* System doesn't provide siginterrupt(). */ +#define NO_SIGINTERRUPT + +/* System uses a `short' to hold a process group ID. */ +#define SHORT_PGRP diff --git a/gdb/config/arm/arm.mh b/gdb/config/arm/arm.mh new file mode 100644 index 0000000..9700fa2 --- /dev/null +++ b/gdb/config/arm/arm.mh @@ -0,0 +1,3 @@ +# Host: Acorn RISC machine running RISCiX (4.3bsd) +XDEPFILES= infptrace.o inftarg.o fork-child.o arm-xdep.o arm-convert.o +XM_FILE= xm-arm.h diff --git a/gdb/config/arm/arm.mt b/gdb/config/arm/arm.mt new file mode 100644 index 0000000..146995b --- /dev/null +++ b/gdb/config/arm/arm.mt @@ -0,0 +1,3 @@ +# Target: Acorn RISC machine running RISCiX (4.3bsd) +TDEPFILES= arm-tdep.o arm-pinsn.o +TM_FILE= tm-arm.h diff --git a/gdb/config/arm/xm-arm.h b/gdb/config/arm/xm-arm.h new file mode 100644 index 0000000..70953c8 --- /dev/null +++ b/gdb/config/arm/xm-arm.h @@ -0,0 +1,88 @@ +/* Definitions to make GDB run on an ARM under RISCiX (4.3bsd). + Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER LITTLE_ENDIAN + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#define KERNEL_U_ADDR (0x01000000 - (UPAGES * NBPG)) + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ +#define FETCH_INFERIOR_REGISTERS + + +#if 0 +/* Interface definitions for kernel debugger KDB. */ + +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, SIGKILL, SIGSEGV, 0, 0, 0, 0, 0, \ + 0, 0, SIGTRAP, SIGTRAP, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0} + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movl $ end, sp"); \ + asm ("clrl fp"); } + +/* Push the frame pointer register on the stack. */ +#define PUSH_FRAME_PTR \ + asm ("pushl fp"); + +/* Copy the top-of-stack to the frame pointer register. */ +#define POP_FRAME_PTR \ + asm ("movl (sp), fp"); + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#define PUSH_REGISTERS \ +{ asm ("pushl 8(sp)"); \ + asm ("pushl 8(sp)"); \ + asm ("pushal 0x14(sp)"); \ + asm ("pushr $037777"); } + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#define POP_REGISTERS \ +{ asm ("popr $037777"); \ + asm ("subl2 $8,(sp)"); \ + asm ("movl (sp),sp"); \ + asm ("rei"); } +#endif /* 0 */ diff --git a/gdb/config/h8300/h8300hms.mt b/gdb/config/h8300/h8300hms.mt new file mode 100644 index 0000000..6002df4 --- /dev/null +++ b/gdb/config/h8300/h8300hms.mt @@ -0,0 +1,3 @@ +# Target: H8300 with HMS monitor and H8 simulator +TDEPFILES= exec.o h8300-tdep.o remote-hms.o remote-sim.o ../sim/h8300/code.o ../sim/h8300/perifs.o +TM_FILE= tm-h8300.h diff --git a/gdb/config/h8300/tm-h8300.h b/gdb/config/h8300/tm-h8300.h new file mode 100644 index 0000000..a583ecc --- /dev/null +++ b/gdb/config/h8300/tm-h8300.h @@ -0,0 +1,305 @@ +/* Parameters for execution on a H8/300 series machine. + Copyright 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Contributed by Steve Chamberlain sac@cygnus.com */ + + +#define UNSIGNED_SHORT(X) ((X) & 0xffff) + + +#define EXTRA_FRAME_INFO \ + struct frame_saved_regs *fsr; \ + CORE_ADDR from_pc; \ + CORE_ADDR args_pointer;\ + CORE_ADDR locals_pointer ; + + + +/* Zero the frame_saved_regs pointer when the frame is initialized, + so that FRAME_FIND_SAVED_REGS () will know to allocate and + initialize a frame_saved_regs struct the first time it is called. + Set the arg_pointer to -1, which is not valid; 0 and other values + indicate real, cached values. */ + +#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \ + init_extra_frame_info (fromleaf, fi) + +extern void init_extra_frame_info (); + + +#define IEEE_FLOAT +/* Define the bit, byte, and word ordering of the machine. */ +#define TARGET_BYTE_ORDER BIG_ENDIAN +#undef TARGET_INT_BIT +#define TARGET_INT_BIT 16 +#undef TARGET_PTR_BIT +#define TARGET_PTR_BIT 16 + + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + + +#define SKIP_PROLOGUE(ip) {(ip) = h8300_skip_prologue(ip);} +extern CORE_ADDR h8300_skip_prologue (); + + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) \ +UNSIGNED_SHORT(read_memory_integer (read_register (SP_REGNUM), 2)) + +/* Stack grows downward. */ + +#define INNER_THAN < + + +#define BREAKPOINT {0x53, 0x00} + + +/* If your kernel resets the pc after the trap happens you may need to + define this before including this file. */ + + +#define DECR_PC_AFTER_BREAK 0 + + +/* Nonzero if instruction at PC is a return instruction. */ +/* Allow any of the return instructions, including a trapv and a return + from interupt. */ + +#define ABOUT_TO_RETURN(pc) ((read_memory_integer (pc, 2) & ~0x3) == 0x4e74) + +/* Return 1 if P points to an invalid floating point value. */ + +#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */ + +/* Say how long registers are. */ + +#define REGISTER_TYPE unsigned short + +/*# define NUM_REGS 20 /* 20 for fake HW support */ +# define NUM_REGS 11 +# define REGISTER_BYTES (NUM_REGS*2) + + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N) * 2) + +/* Number of bytes of storage in the actual machine representation + for register N. On the H8/300, all regs are 2 bytes. */ + +#define REGISTER_RAW_SIZE(N) 2 + +/* Number of bytes of storage in the program's representation + for register N. On the H8/300, all regs are 2 bytes. */ + +#define REGISTER_VIRTUAL_SIZE(N) 2 + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 2 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 2 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) 1 + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +/*#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) */ + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +/*#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) */ + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) builtin_type_unsigned_short + + +/* Initializer for an array of names of registers. + Entries beyond the first NUM_REGS are ignored. */ + +#if NUM_REGS==20 +#define REGISTER_NAMES \ + {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "sp",\ + "ccr","pc","cycles","hcheck","tier","tcsr","frc",\ + "ocra","ocrb","tcr","tocr","icra"} +#else +#define REGISTER_NAMES \ + {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "sp", "ccr","pc","cycles"} +#endif + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + + +#define FP_REGNUM 6 /* Contains address of executing stack frame */ +#define SP_REGNUM 7 /* Contains address of top of stack */ +#define CCR_REGNUM 8 /* Contains processor status */ +#define PC_REGNUM 9 /* Contains program counter */ + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +/*#define STORE_STRUCT_RETURN(ADDR, SP) \ + { write_register (0, (ADDR)); abort(); }*/ + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy ((char *)(REGBUF), VALBUF, TYPE_LENGTH(TYPE)) + + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. Assumes floats are passed + in d0/d1. */ + + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) + + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF)) + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. + + However, if FRAME_CHAIN_VALID returns zero, + it means the given frame is the outermost one and has no caller. */ + +/* In the case of the H8/300, the frame's nominal address + is the address of a 2-byte word containing the calling frame's address. */ + +/* Use the alternate method of avoiding running up off the end of + the frame chain or following frames back into the startup code. + See the comments in objfile.h */ + +#define FRAME_CHAIN_VALID_ALTERNATE + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + (FRAMELESS) = frameless_look_for_prologue(FI) + +/* Any function with a frame looks like this + SECOND ARG + FIRST ARG + RET PC + SAVED R2 + SAVED R3 + SAVED FP <-FP POINTS HERE + LOCALS0 + LOCALS1 <-SP POINTS HERE + + */ +#define FRAME_SAVED_PC(FRAME) frame_saved_pc(FRAME) + +#define FRAME_ARGS_ADDRESS(fi) frame_args_address(fi) + +#define FRAME_LOCALS_ADDRESS(fi) frame_locals_address(fi); + +/* Set VAL to the number of args passed to frame described by FI. + Can set VAL to -1, meaning no way to tell. */ + +/* We can't tell how many args there are + now that the C compiler delays popping them. */ + +#define FRAME_NUM_ARGS(val,fi) (val = -1) + + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 0 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ + frame_find_saved_regs(frame_info, &(frame_saved_regs)) + + +/* Push an empty stack frame, to record the current PC, etc. */ + +/*#define PUSH_DUMMY_FRAME { h8300_push_dummy_frame (); }*/ + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME { h8300_pop_frame (); } + +#define SHORT_INT_MAX 32767 +#define SHORT_INT_MIN -32768 + + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ +{ memcpy((TO), (FROM), 2); } +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ +{ memcpy((TO), (FROM), 2); } + +#define BEFORE_MAIN_LOOP_HOOK \ + hms_before_main_loop(); + +typedef unsigned short INSN_WORD; + +#define ADDR_BITS_REMOVE(addr) ((addr) & 0xffff) +#define ADDR_BITS_SET(addr) (((addr))) + +#define read_memory_short(x) (read_memory_integer(x,2) & 0xffff) +#define DONT_USE_REMOTE + + +#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno) + diff --git a/gdb/config/h8500/h8500hms.mt b/gdb/config/h8500/h8500hms.mt new file mode 100644 index 0000000..eb64daa --- /dev/null +++ b/gdb/config/h8500/h8500hms.mt @@ -0,0 +1,3 @@ +# Target: H8500 with HMS monitor and H8 simulator +TDEPFILES= exec.o h8500-tdep.o remote-hms.o remote-sim.o ../sim/h8500/compile.o +TM_FILE= tm-h8500.h diff --git a/gdb/config/h8500/tm-h8500.h b/gdb/config/h8500/tm-h8500.h new file mode 100644 index 0000000..5105c6a --- /dev/null +++ b/gdb/config/h8500/tm-h8500.h @@ -0,0 +1,293 @@ +/* Parameters for execution on a H8/500 series machine. + Copyright (C) 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Contributed by Steve Chamberlain sac@cygnus.com */ + + + +#define IEEE_FLOAT 1 + +/* Define the bit, byte, and word ordering of the machine. */ + +#define TARGET_BYTE_ORDER BIG_ENDIAN + +#undef TARGET_INT_BIT +#define TARGET_INT_BIT 16 + +#undef TARGET_PTR_BIT +#define TARGET_PTR_BIT (minimum_mode ? 16 : 32) + + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(ip) {(ip) = h8500_skip_prologue(ip);} +extern CORE_ADDR h8500_skip_prologue (); + + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) saved_pc_after_call(frame) + + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Illegal instruction - used by the simulator for breakpoint + detection */ +#define BREAKPOINT {0x0b} + + +/* If your kernel resets the pc after the trap happens you may need to + define this before including this file. */ + +#define DECR_PC_AFTER_BREAK 0 + + +/* Nonzero if instruction at PC is a return instruction. */ + +#define ABOUT_TO_RETURN(pc) about_to_return(pc) + +/* Return 1 if P points to an invalid floating point value. */ + +#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */ + +/* Say how long registers are. */ + +#define REGISTER_TYPE unsigned long + +/* Say how much memory is needed to store a copy of the register set */ + +#define REGISTER_BYTES ((NUM_REGS)*4) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N)*4) + +/* Number of bytes of storage in the actual machine representation + for register N. */ + +#define REGISTER_RAW_SIZE(N) register_raw_size(N) + +#define REGISTER_VIRTUAL_SIZE(N) register_virtual_size(N) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 4 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 4 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) 1 + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ + register_convert_to_virtual(REGNUM, FROM, TO) + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ + register_convert_to_raw(REGNUM, FROM, TO) + +/* Return the GDB type object for the "standard" data type + of data in register N. */ +struct type *register_virtual_type(); + +#define REGISTER_VIRTUAL_TYPE(N) register_virtual_type(N) + + +/* Initializer for an array of names of registers. + Entries beyond the first NUM_REGS are ignored. */ + +#define REGISTER_NAMES \ + {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ + "pr0", "pr1","pr2","pr3","pr4","pr5","pr6","pr7", \ + "ccr","pc", \ + "cp","dp","ep","tp" } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + + +#define R0 0 +#define R1 1 +#define R2 2 +#define R3 3 +#define R4 4 +#define R5 5 +#define R6 6 +#define R7 7 + +#define PR0 8 /* R0-R7 with seg prefixed */ +#define PR1 9 +#define PR2 10 +#define PR3 11 +#define PR4 12 +#define PR5 13 +#define PR6 14 +#define PR7 15 + +#define SP_REGNUM PR7 /* Contains address of top of stack */ +#define FP_REGNUM PR6 /* Contains address of executing stack frame */ + +#define CCR_REGNUM 16 /* Contains processor status */ +#define PC_REGNUM 17 /* Contains program counter */ + +#define SEG_C 18 /* Segment registers */ +#define SEG_D 19 +#define SEG_E 20 +#define SEG_T 21 + +#define NUM_REGS 22 + +#define PTR_SIZE (minimum_mode ? 2: 4) +#define PTR_MASK (minimum_mode ? 0x0000ffff : 0x00ffffff) + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +/*#define STORE_STRUCT_RETURN(ADDR, SP) \ + { write_register (0, (ADDR)); abort(); }*/ + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy ((char *)(REGBUF), VALBUF, TYPE_LENGTH(TYPE)) + + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. Assumes floats are passed + in d0/d1. */ + + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) + + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF)) + + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + (FRAMELESS) = frameless_look_for_prologue(FI) + +/* Any function with a frame looks like this + SECOND ARG + FIRST ARG + RET PC + SAVED R2 + SAVED R3 + SAVED FP <-FP POINTS HERE + LOCALS0 + LOCALS1 <-SP POINTS HERE + + */ +#define FRAME_SAVED_PC(FRAME) frame_saved_pc(FRAME) + +#define FRAME_ARGS_ADDRESS(fi) frame_args_address(fi) + +#define FRAME_LOCALS_ADDRESS(fi) frame_locals_address(fi); + +/* Set VAL to the number of args passed to frame described by FI. + Can set VAL to -1, meaning no way to tell. */ + +/* We can't tell how many args there are + now that the C compiler delays popping them. */ + +#define FRAME_NUM_ARGS(val,fi) (val = -1) + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 0 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ + frame_find_saved_regs(frame_info, &(frame_saved_regs)) + + +/* Push an empty stack frame, to record the current PC, etc. */ + +/*#define PUSH_DUMMY_FRAME { h8300_push_dummy_frame (); }*/ + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME { h8300_pop_frame (); } + +#define SHORT_INT_MAX 32767 +#define SHORT_INT_MIN -32768 + + + +#define BEFORE_MAIN_LOOP_HOOK \ + hms_before_main_loop(); + + +#define NAMES_HAVE_UNDERSCORE + +typedef unsigned short INSN_WORD; + +#define ADDR_BITS_REMOVE(addr) ((addr) & 0xffffff) +#define ADDR_BITS_SET(addr) (((addr))) + +#define read_memory_short(x) (read_memory_integer(x,2) & 0xffff) +#define DONT_USE_REMOTE + + +#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno) + + +int minimum_mode; + +#define CALL_DUMMY_LENGTH 10 diff --git a/gdb/config/i386/i386aout.mt b/gdb/config/i386/i386aout.mt new file mode 100644 index 0000000..4bfa353 --- /dev/null +++ b/gdb/config/i386/i386aout.mt @@ -0,0 +1,4 @@ +# Target: Intel 386 with a.out + +TDEPFILES= exec.o i386-tdep.o i386-pinsn.o +TM_FILE= tm-i386v.h diff --git a/gdb/config/i386/i386bsd.mh b/gdb/config/i386/i386bsd.mh new file mode 100644 index 0000000..20339ca --- /dev/null +++ b/gdb/config/i386/i386bsd.mh @@ -0,0 +1,7 @@ +# Host: Intel 386 running 386BSD +XDEPFILES= ser-bsd.o +NATDEPFILES= exec.o fork-child.o infptrace.o inftarg.o corelow.o coredep.o i386b-nat.o +XM_FILE= xm-i386bsd.h +NAT_FILE= nm-i386bsd.h +REGEX=regex.o +REGEX1=regex.o diff --git a/gdb/config/i386/i386bsd.mt b/gdb/config/i386/i386bsd.mt new file mode 100644 index 0000000..402d6af --- /dev/null +++ b/gdb/config/i386/i386bsd.mt @@ -0,0 +1,3 @@ +# Target: Intel 386 running BSD +TDEPFILES= i386-tdep.o i386-pinsn.o +TM_FILE= tm-i386bsd.h diff --git a/gdb/config/i386/i386mach.mh b/gdb/config/i386/i386mach.mh new file mode 100644 index 0000000..b98c27b --- /dev/null +++ b/gdb/config/i386/i386mach.mh @@ -0,0 +1,6 @@ +# Host: Intel 386 running Mach + +XDEPFILES= +XM_FILE= xm-i386mach.h +NAT_FILE= nm-i386mach.h +NATDEPFILES= infptrace.o inftarg.o fork-child.o i386mach-nat.o diff --git a/gdb/config/i386/i386sco.mh b/gdb/config/i386/i386sco.mh new file mode 100644 index 0000000..b1a276c --- /dev/null +++ b/gdb/config/i386/i386sco.mh @@ -0,0 +1,13 @@ +# Host: Intel 386 running SCO Unix (pre-SVR4) +XDEPFILES= i387-tdep.o +XM_FILE= xm-i386sco.h +NAT_FILE= nm-i386sco.h +NATDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o i386v-nat.o +XM_CLIBS= -lPW +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o +#msg The SCO C compiler cannot parse symtab.h when value.h has been included. +#msg This is a bug in the compiler; the code is valid. +#msg Therefore, you must use GCC to compile GDB on SCO machines. +CC=gcc -D_POSIX_SOURCE=1 diff --git a/gdb/config/i386/i386sco4.mh b/gdb/config/i386/i386sco4.mh new file mode 100644 index 0000000..e2754ae --- /dev/null +++ b/gdb/config/i386/i386sco4.mh @@ -0,0 +1,16 @@ +# Host: Intel 386 running SCO Unix 3.2v4 +XDEPFILES= i387-tdep.o +XM_FILE= xm-i386sco.h +NAT_FILE= nm-i386sco4.h +NATDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o i386v-nat.o +XM_CLIBS= -lPW +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o +# The cc compiler mishandles const in cases like +# struct type ** const (c_builtin_types[]) = +MH_CFLAGS=-Dconst= +# The cc compiler sometimes produces debugging output that nm can not +# parse. Passing -p to nm makes it not even try, and allows munch to +# work. +MUNCH_DEFINE=-p diff --git a/gdb/config/i386/i386sol2.mh b/gdb/config/i386/i386sol2.mh new file mode 100644 index 0000000..44a6247 --- /dev/null +++ b/gdb/config/i386/i386sol2.mh @@ -0,0 +1,34 @@ +# Host: Intel 386 running Solaris 2 (SVR4). + +# Solaris-2 makes `install' optional in the Berkeley compatability pkg. +# cp will do fine. +INSTALL = cp + +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o + +# Need to compile and link in support for SVR4's /proc and i386 host dependent +# routines. +XDEPFILES= + +# Use the i386 SVR4 host configuration file. +XM_FILE= xm-i386v4.h + +NAT_FILE= nm-i386v4.h +NATDEPFILES= corelow.o exec.o procfs.o fork-child.o i386v4-nat.o + +# We need to find alloca() somewhere. Gcc has one built in, but most other +# compilers don't. Using the one in /usr/ucblib/libucb.a is tricky because +# we have to be careful not to pull in anything else from the library (lots +# of things are broken in most SVR4 versions). The best solution is to just +# compile alloca.c and link it into the executable. If we end up not needing +# it, then the code is just dead. Once alloca.c moves to libiberty, then we +# can eliminate this semi-kludge. +ALLOCA=alloca.o +ALLOCA1=alloca.o + +# SVR4 comes standard with terminfo, and in some implementations, the +# old termcap descriptions are incomplete. So ensure that we use the +# new terminfo interface and latest terminal descriptions. +TERMCAP=-ltermlib diff --git a/gdb/config/i386/i386sol2.mt b/gdb/config/i386/i386sol2.mt new file mode 100644 index 0000000..e02cc53 --- /dev/null +++ b/gdb/config/i386/i386sol2.mt @@ -0,0 +1,3 @@ +# Target: Intel 386 running SVR4 +TDEPFILES= i386-pinsn.o i386-tdep.o i387-tdep.o solib.o +TM_FILE= tm-i386v4.h diff --git a/gdb/config/i386/i386v.mh b/gdb/config/i386/i386v.mh new file mode 100644 index 0000000..1c94ae5 --- /dev/null +++ b/gdb/config/i386/i386v.mh @@ -0,0 +1,9 @@ +# Host: Intel 386 running System V +XDEPFILES= +XM_FILE= xm-i386v.h +NAT_FILE= nm-i386v.h +NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o coredep.o corelow.o i386v-nat.o +XM_CLIBS= -lPW +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o diff --git a/gdb/config/i386/i386v.mt b/gdb/config/i386/i386v.mt new file mode 100644 index 0000000..08699de --- /dev/null +++ b/gdb/config/i386/i386v.mt @@ -0,0 +1,3 @@ +# Target: Intel 386 running System V +TDEPFILES= exec.o i386-tdep.o i386-pinsn.o i387-tdep.o +TM_FILE= tm-i386v.h diff --git a/gdb/config/i386/i386v32.mh b/gdb/config/i386/i386v32.mh new file mode 100644 index 0000000..595aaad --- /dev/null +++ b/gdb/config/i386/i386v32.mh @@ -0,0 +1,9 @@ +# Host: Intel 386 running System V release 3.2 +XDEPFILES= +XM_FILE= xm-i386v32.h +NAT_FILE= nm-i386v.h +NATDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o i386v-nat.o +XM_CLIBS= -lPW +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o diff --git a/gdb/config/i386/i386v4.mh b/gdb/config/i386/i386v4.mh new file mode 100644 index 0000000..da90b1b --- /dev/null +++ b/gdb/config/i386/i386v4.mh @@ -0,0 +1,33 @@ +# Host: Intel 386 running SVR4. + +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o + +# Need to compile and link in support for SVR4's /proc and i386 host dependent +# routines. +XDEPFILES= + +# Use the i386 SVR4 host configuration file. +XM_FILE= xm-i386v4.h + +NAT_FILE= nm-i386v4.h +NATDEPFILES= corelow.o exec.o procfs.o fork-child.o i386v4-nat.o + +# We need to find alloca() somewhere. Gcc has one built in, but most other +# compilers don't. Using the one in /usr/ucblib/libucb.a is tricky because +# we have to be careful not to pull in anything else from the library (lots +# of things are broken in most SVR4 versions). The best solution is to just +# compile alloca.c and link it into the executable. If we end up not needing +# it, then the code is just dead. Once alloca.c moves to libiberty, then we +# can eliminate this semi-kludge. +ALLOCA=alloca.o +ALLOCA1=alloca.o + +# SVR4 comes standard with terminfo, and in some implementations, the +# old termcap descriptions are incomplete. So ensure that we use the +# new terminfo interface and latest terminal descriptions. +TERMCAP=-ltermlib + +# SVR4 puts the BSD compatible install in /usr/ucb. +INSTALL = /usr/ucb/install -c diff --git a/gdb/config/i386/i386v4.mt b/gdb/config/i386/i386v4.mt new file mode 100644 index 0000000..e02cc53 --- /dev/null +++ b/gdb/config/i386/i386v4.mt @@ -0,0 +1,3 @@ +# Target: Intel 386 running SVR4 +TDEPFILES= i386-pinsn.o i386-tdep.o i387-tdep.o solib.o +TM_FILE= tm-i386v4.h diff --git a/gdb/config/i386/linux.mt b/gdb/config/i386/linux.mt new file mode 100644 index 0000000..0f961ba --- /dev/null +++ b/gdb/config/i386/linux.mt @@ -0,0 +1,3 @@ +# Target: Intel 386 with a.out +TDEPFILES= i386-tdep.o i386-pinsn.o i387-tdep.o +TM_FILE= tm-linux.h diff --git a/gdb/config/i386/ncr3000.mh b/gdb/config/i386/ncr3000.mh new file mode 100644 index 0000000..338d13e --- /dev/null +++ b/gdb/config/i386/ncr3000.mh @@ -0,0 +1,43 @@ +# Host: Intel 386 running SVR4. + +# The NCR 3000 ships with a MetaWare compiler installed as /bin/cc. +# This compiler not only emits obnoxious copyright messages every time +# you run it, but it chokes and dies on a whole bunch of GNU source +# files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc. +# Unfortunately though, the AT&T compiler sometimes generates code that +# the assembler barfs on if -g is used, so disable it by default as well. +CC = /usr/ccs/ATT/cc +CFLAGS = + +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o + +# Need to compile and link in support for SVR4's /proc and i386 host dependent +# routines. +XDEPFILES= + +# Use the i386 SVR4 host configuration file. +XM_FILE= xm-i386v4.h + +NAT_FILE= nm-i386v4.h +NATDEPFILES= corelow.o exec.o procfs.o fork-child.o i386v4-nat.o + +# We need to find alloca() somewhere. Gcc has one built in, but most other +# compilers don't. Using the one in /usr/ucblib/libucb.a is tricky because +# we have to be careful not to pull in anything else from the library (lots +# of things are broken in most SVR4 versions). The best solution is to just +# compile alloca.c and link it into the executable. If we end up not needing +# it, then the code is just dead. Once alloca.c moves to libiberty, then we +# can eliminate this semi-kludge. +ALLOCA=alloca.o +ALLOCA1=alloca.o + +# SVR4 comes standard with terminfo, and in some implementations, the +# old termcap descriptions are incomplete. So ensure that we use the +# new terminfo interface and latest terminal descriptions. +TERMCAP=-ltermlib + +# The /usr/ucb/install program is incompatible (complains about unknown +# group staff). Use good old cp... +INSTALL = cp diff --git a/gdb/config/i386/ncr3000.mt b/gdb/config/i386/ncr3000.mt new file mode 100644 index 0000000..e02cc53 --- /dev/null +++ b/gdb/config/i386/ncr3000.mt @@ -0,0 +1,3 @@ +# Target: Intel 386 running SVR4 +TDEPFILES= i386-pinsn.o i386-tdep.o i387-tdep.o solib.o +TM_FILE= tm-i386v4.h diff --git a/gdb/config/i386/nm-i386bsd.h b/gdb/config/i386/nm-i386bsd.h new file mode 100644 index 0000000..ec71b54 --- /dev/null +++ b/gdb/config/i386/nm-i386bsd.h @@ -0,0 +1,34 @@ +/* Native-dependent definitions for Intel 386 running BSD Unix, for GDB. + Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#include <machine/vmparam.h> +#define KERNEL_U_ADDR USRSTACK + +#undef FLOAT_INFO /* No float info yet */ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ + (addr) = i386_register_u_addr ((blockend),(regno)); + +extern int +i386_register_u_addr PARAMS ((int, int)); + +#define PTRACE_ARG3_TYPE char* diff --git a/gdb/config/i386/nm-i386mach.h b/gdb/config/i386/nm-i386mach.h new file mode 100644 index 0000000..73f08a1 --- /dev/null +++ b/gdb/config/i386/nm-i386mach.h @@ -0,0 +1,25 @@ +/* Native definitions for Mach on an Intel 386 + Copyright (C) 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Do implement the attach and detach commands. */ +/* #define ATTACH_DETACH 1 */ + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ +#define FETCH_INFERIOR_REGISTERS + diff --git a/gdb/config/i386/nm-i386sco.h b/gdb/config/i386/nm-i386sco.h new file mode 100644 index 0000000..63f4a28 --- /dev/null +++ b/gdb/config/i386/nm-i386sco.h @@ -0,0 +1,42 @@ +/* Native support for i386. + Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu), July 1988. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#if 0 +/* code to execute to print interesting information about the + floating point processor (if any) + No need to define if there is nothing to do. + On the 386, unfortunately this code is host-dependent (and lives + in the i386-xdep.c file), so we can't + do this unless we *know* we aren't cross-debugging. FIXME. + */ +#define FLOAT_INFO { i386_float_info (); } +#endif /*0*/ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ + (addr) = i386_register_u_addr ((blockend),(regno)); + +extern int +i386_register_u_addr PARAMS ((int, int)); + +/* + * SysV doesn't always have a <ptrace.h> or <sys/ptrace.h> file + * (why, I don't know), and we don't need it. + */ +#define NO_PTRACE_H diff --git a/gdb/config/i386/nm-i386sco4.h b/gdb/config/i386/nm-i386sco4.h new file mode 100644 index 0000000..91326ce --- /dev/null +++ b/gdb/config/i386/nm-i386sco4.h @@ -0,0 +1,32 @@ +/* Native support for SCO 3.2v4. + Copyright 1993 Free Software Foundation, Inc. + Contributed by Cygnus Support. By Ian Lance Taylor + <ian@cygnus.com> based on work by Martin Walker <maw@netcom.com>. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* SCO 3.2v4 is actually just like SCO 3.2v2, except that it + additionally supports attaching to a process. */ + +#include "i386/nm-i386sco.h" + +#define ATTACH_DETACH + +/* SCO, in its wisdom, does not provide <sys/ptrace.h>. infptrace.c + does not have defaults for these values. */ +#define PTRACE_ATTACH 10 +#define PTRACE_DETACH 11 diff --git a/gdb/config/i386/nm-i386v.h b/gdb/config/i386/nm-i386v.h new file mode 100644 index 0000000..8a7c6c7 --- /dev/null +++ b/gdb/config/i386/nm-i386v.h @@ -0,0 +1,36 @@ +/* Native support for i386. + Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu), July 1988. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#if 0 +/* code to execute to print interesting information about the + floating point processor (if any) + No need to define if there is nothing to do. + On the 386, unfortunately this code is host-dependent (and lives + in the i386-xdep.c file), so we can't + do this unless we *know* we aren't cross-debugging. FIXME. + */ +#define FLOAT_INFO { i386_float_info (); } +#endif /*0*/ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ + (addr) = i386_register_u_addr ((blockend),(regno)); + +extern int +i386_register_u_addr PARAMS ((int, int)); diff --git a/gdb/config/i386/nm-i386v4.h b/gdb/config/i386/nm-i386v4.h new file mode 100644 index 0000000..749510b --- /dev/null +++ b/gdb/config/i386/nm-i386v4.h @@ -0,0 +1,20 @@ +/* Native support for i386 running SVR4. + Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu), July 1988. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + diff --git a/gdb/config/i386/nm-sun386.h b/gdb/config/i386/nm-sun386.h new file mode 100644 index 0000000..1512c6e --- /dev/null +++ b/gdb/config/i386/nm-sun386.h @@ -0,0 +1,26 @@ +/* Native support for Sun 386i, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Do implement the attach and detach commands. */ + +#define ATTACH_DETACH + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ +#define FETCH_INFERIOR_REGISTERS + diff --git a/gdb/config/i386/sun386.mh b/gdb/config/i386/sun386.mh new file mode 100644 index 0000000..ee748db --- /dev/null +++ b/gdb/config/i386/sun386.mh @@ -0,0 +1,5 @@ +# Host: Sun 386i +XDEPFILES= +XM_FILE= xm-sun386.h +NAT_FILE= nm-sun386.h +NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o sun386-nat.o diff --git a/gdb/config/i386/sun386.mt b/gdb/config/i386/sun386.mt new file mode 100644 index 0000000..26bd7c3 --- /dev/null +++ b/gdb/config/i386/sun386.mt @@ -0,0 +1,3 @@ +# Target: Sun 386i target configuration file. +TDEPFILES= i386-pinsn.o solib.o +TM_FILE= tm-sun386.h diff --git a/gdb/config/i386/symmetry.mh b/gdb/config/i386/symmetry.mh new file mode 100644 index 0000000..e065464 --- /dev/null +++ b/gdb/config/i386/symmetry.mh @@ -0,0 +1,3 @@ +# Host: Sequent Symmetry running Dynix 3.0, with Weitek 1167 or i387. +XDEPFILES= infptrace.o inftarg.o fork-child.o symm-xdep.o +XM_FILE= xm-symmetry.h diff --git a/gdb/config/i386/symmetry.mt b/gdb/config/i386/symmetry.mt new file mode 100644 index 0000000..e241993 --- /dev/null +++ b/gdb/config/i386/symmetry.mt @@ -0,0 +1,3 @@ +# Target: Sequent Symmetry running Dynix 3.0, with Weitek 1167 or i387. +TDEPFILES= symm-tdep.o i386-pinsn.o +TM_FILE= tm-symmetry.h diff --git a/gdb/config/i386/tm-i386bsd.h b/gdb/config/i386/tm-i386bsd.h new file mode 100644 index 0000000..7574f49 --- /dev/null +++ b/gdb/config/i386/tm-i386bsd.h @@ -0,0 +1,28 @@ +/* Macro definitions for i386 running under BSD Unix. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Override number of expected traps from sysv. */ +#define START_INFERIOR_TRAPS_EXPECTED 2 + +/* Most definitions from sysv could be used. */ +#include "i386/tm-i386v.h" + +/* 386BSD cannot handle the segment registers. */ +#undef NUM_REGS +#define NUM_REGS 11 diff --git a/gdb/config/i386/tm-i386v.h b/gdb/config/i386/tm-i386v.h new file mode 100644 index 0000000..c9557d3 --- /dev/null +++ b/gdb/config/i386/tm-i386v.h @@ -0,0 +1,313 @@ +/* Macro definitions for i386, Unix System V. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#if !defined (TM_I386V_H) +#define TM_I386V_H 1 + +/* + * Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu) + * July 1988 + */ + +#define TARGET_BYTE_ORDER LITTLE_ENDIAN + +/* turn this on when rest of gdb is ready */ +#define IEEE_FLOAT + +/* number of traps that happen between exec'ing the shell + * to run an inferior, and when we finally get to + * the inferior code. This is 2 on most implementations. + */ +#ifndef START_INFERIOR_TRAPS_EXPECTED +#define START_INFERIOR_TRAPS_EXPECTED 4 +#endif + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(frompc) {(frompc) = i386_skip_prologue((frompc));} + +extern int +i386_skip_prologue PARAMS ((int)); + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) \ + (read_memory_integer (read_register (SP_REGNUM), 4)) + +/* Address of end of stack space. */ + +#define STACK_END_ADDR 0x80000000 + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Sequence of bytes for breakpoint instruction. */ + +#define BREAKPOINT {0xcc} + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#ifndef DECR_PC_AFTER_BREAK +#define DECR_PC_AFTER_BREAK 1 +#endif + +/* Nonzero if instruction at PC is a return instruction. */ + +#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0xc3) + +/* Return 1 if P points to an invalid floating point value. + LEN is the length in bytes -- not relevant on the 386. */ + +#define INVALID_FLOAT(p, len) (0) + +/* Say how long (ordinary) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ + +#define NUM_REGS 16 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +/* the order of the first 8 registers must match the compiler's + * numbering scheme (which is the same as the 386 scheme) + * also, this table must match regmap in i386-pinsn.c. + */ +#define REGISTER_NAMES { "eax", "ecx", "edx", "ebx", \ + "esp", "ebp", "esi", "edi", \ + "eip", "ps", "cs", "ss", \ + "ds", "es", "fs", "gs", \ + } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define FP_REGNUM 5 /* Contains address of executing stack frame */ +#define SP_REGNUM 4 /* Contains address of top of stack */ + +#define PC_REGNUM 8 +#define PS_REGNUM 9 + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +#define REGISTER_BYTES (NUM_REGS * 4) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N)*4) + +/* Number of bytes of storage in the actual machine representation + for register N. */ + +#define REGISTER_RAW_SIZE(N) (4) + +/* Number of bytes of storage in the program's representation + for register N. */ + +#define REGISTER_VIRTUAL_SIZE(N) (4) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 4 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 4 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) (0) + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ + {memcpy ((TO), (FROM), 4);} + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ + {memcpy ((TO), (FROM), 4);} + +/* Return the GDB type object for the "standard" data type + of data in register N. */ +/* Perhaps si and di should go here, but potentially they could be + used for things other than address. */ +#define REGISTER_VIRTUAL_TYPE(N) \ + ((N) == PC_REGNUM || (N) == FP_REGNUM || (N) == SP_REGNUM ? \ + lookup_pointer_type (builtin_type_void) : builtin_type_int) + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +#define STORE_STRUCT_RETURN(ADDR, SP) \ + { (SP) -= sizeof (ADDR); \ + write_memory ((SP), (char *) &(ADDR), sizeof (ADDR)); } + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + memcpy ((VALBUF), (REGBUF), TYPE_LENGTH (TYPE)) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) + + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. */ + +#define FRAME_CHAIN(thisframe) \ + (!inside_entry_file ((thisframe)->pc) ? \ + read_memory_integer ((thisframe)->frame, 4) :\ + 0) + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + (FRAMELESS) = frameless_look_for_prologue(FI) + +#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4)) + +#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) + +#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. */ + +#define FRAME_NUM_ARGS(numargs, fi) (numargs) = i386_frame_num_args(fi) + +#ifdef __STDC__ /* Forward decl's for prototypes */ +struct frame_info; +struct frame_saved_regs; +#endif + +extern int +i386_frame_num_args PARAMS ((struct frame_info *)); + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 8 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ +{ i386_frame_find_saved_regs ((frame_info), &(frame_saved_regs)); } + +extern void +i386_frame_find_saved_regs PARAMS ((struct frame_info *, + struct frame_saved_regs *)); + + +/* Things needed for making the inferior call functions. */ + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME { i386_push_dummy_frame (); } + +extern void +i386_push_dummy_frame PARAMS ((void)); + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME { i386_pop_frame (); } + +extern void +i386_pop_frame PARAMS ((void)); + +/* this is + * call 11223344 (32 bit relative) + * int3 + */ + +#define CALL_DUMMY { 0x223344e8, 0xcc11 } + +#define CALL_DUMMY_LENGTH 8 + +#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */ + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ +{ \ + int from, to, delta, loc; \ + loc = (int)(read_register (SP_REGNUM) - CALL_DUMMY_LENGTH); \ + from = loc + 5; \ + to = (int)(fun); \ + delta = to - from; \ + *((char *)(dummyname) + 1) = (delta & 0xff); \ + *((char *)(dummyname) + 2) = ((delta >> 8) & 0xff); \ + *((char *)(dummyname) + 3) = ((delta >> 16) & 0xff); \ + *((char *)(dummyname) + 4) = ((delta >> 24) & 0xff); \ +} + +extern void +print_387_control_word PARAMS ((unsigned int)); + +extern void +print_387_status_word PARAMS ((unsigned int)); + +/* Offset from SP to first arg on stack at first instruction of a function */ + +#define SP_ARG0 (1 * 4) + +#endif /* !defined (TM_I386V_H) */ diff --git a/gdb/config/i386/tm-i386v4.h b/gdb/config/i386/tm-i386v4.h new file mode 100644 index 0000000..1aa1e42 --- /dev/null +++ b/gdb/config/i386/tm-i386v4.h @@ -0,0 +1,69 @@ +/* Macro definitions for GDB on an Intel i386 running SVR4. + Copyright (C) 1991, Free Software Foundation, Inc. + Written by Fred Fish at Cygnus Support (fnf@cygint) + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Use the alternate method of determining valid frame chains. */ + +#define FRAME_CHAIN_VALID_ALTERNATE + +/* number of traps that happen between exec'ing the shell + * to run an inferior, and when we finally get to + * the inferior code. This is 2 on most implementations. + */ +#define START_INFERIOR_TRAPS_EXPECTED 2 + +/* Pick up most of what we need from the generic i386 target include file. */ + +#include "i386/tm-i386v.h" + +/* Pick up more stuff from the generic SVR4 host include file. */ + +#include "tm-sysv4.h" + +/* We can't tell how many args there are + now that the C compiler delays popping them. */ + +#undef FRAME_NUM_ARGS +#define FRAME_NUM_ARGS(val,fi) (val = -1) + +/* Offsets (in target ints) into jmp_buf. Not defined in any system header + file, so we have to step through setjmp/longjmp with a debugger and figure + them out. Note that <setjmp> defines _JBLEN as 10, which is the default + if no specific machine is selected, even though we only use 6 slots. */ + +#define JB_ELEMENT_SIZE sizeof(int) /* jmp_buf[_JBLEN] is array of ints */ + +#define JB_EBX 0 +#define JB_ESI 1 +#define JB_EDI 2 +#define JB_EBP 3 +#define JB_ESP 4 +#define JB_EDX 5 + +#define JB_PC JB_EDX /* Setjmp()'s return PC saved in EDX */ + +/* Figure out where the longjmp will land. Slurp the args out of the stack. + We expect the first arg to be a pointer to the jmp_buf structure from which + we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +extern int +get_longjmp_target PARAMS ((CORE_ADDR *)); + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) diff --git a/gdb/config/i386/tm-sun386.h b/gdb/config/i386/tm-sun386.h new file mode 100644 index 0000000..28fec6a --- /dev/null +++ b/gdb/config/i386/tm-sun386.h @@ -0,0 +1,315 @@ +/* Parameters for a Sun 386i target machine, for GDB, the GNU debugger. + Copyright 1986, 1987, 1991, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define TARGET_BYTE_ORDER LITTLE_ENDIAN + +#ifndef sun386 +#define sun386 +#endif +#define GDB_TARGET_IS_SUN386 1 +#define SUNOS4 +#define USE_MACHINE_REG_H + +/* Perhaps some day this will work even without the following #define */ +#define COFF_ENCAPSULATE + +#ifdef COFF_ENCAPSULATE +/* Avoid conflicts between our include files and <sys/exec.h> + (maybe not needed anymore). */ +#define _EXEC_ +#endif + +/* sun386 ptrace seems unable to change the frame pointer */ +#define PTRACE_FP_BUG + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(frompc) {(frompc) = i386_skip_prologue((frompc));} + +extern int +i386_skip_prologue PARAMS ((int)); + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) \ + (read_memory_integer (read_register (SP_REGNUM), 4)) + +/* Address of end of stack space. */ + +#define STACK_END_ADDR 0xfc000000 + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Sequence of bytes for breakpoint instruction. */ + +#define BREAKPOINT {0xcc} + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 1 + +/* Nonzero if instruction at PC is a return instruction. */ + +#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0xc3) + +/* Return 1 if P points to an invalid floating point value. + LEN is the length in bytes -- not relevant on the 386. */ + +#define INVALID_FLOAT(p, len) (0) + +/* Largest integer type */ +#define LONGEST long + +/* Name of the builtin type for the LONGEST type above. */ +#define BUILTIN_TYPE_LONGEST builtin_type_long + +/* Say how long (ordinary) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ + +#define NUM_REGS 35 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +/* the order of the first 8 registers must match the compiler's + * numbering scheme (which is the same as the 386 scheme) + * also, this table must match regmap in i386-pinsn.c. + */ +#define REGISTER_NAMES { "gs", "fs", "es", "ds", \ + "edi", "esi", "ebp", "esp", \ + "ebx", "edx", "ecx", "eax", \ + "retaddr", "trapnum", "errcode", "ip", \ + "cs", "ps", "sp", "ss", \ + "fst0", "fst1", "fst2", "fst3", \ + "fst4", "fst5", "fst6", "fst7", \ + "fctrl", "fstat", "ftag", "fip", \ + "fcs", "fopoff", "fopsel" \ + } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define FP_REGNUM 6 /* Contains address of executing stack frame */ +#define SP_REGNUM 18 /* Contains address of top of stack */ +#define PS_REGNUM 17 /* Contains processor status */ +#define PC_REGNUM 15 /* Contains program counter */ +#define FP0_REGNUM 20 /* Floating point register 0 */ +#define FPC_REGNUM 28 /* 80387 control register */ + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +#define REGISTER_BYTES (20*4+8*10+7*4) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) \ + ((N) >= FPC_REGNUM ? (((N) - FPC_REGNUM) * 4) + 160 \ + : (N) >= FP0_REGNUM ? (((N) - FP0_REGNUM) * 10) + 80 \ + : (N) * 4) + +/* Number of bytes of storage in the actual machine representation + for register N. */ + +#define REGISTER_RAW_SIZE(N) (((unsigned)((N) - FP0_REGNUM)) < 8 ? 10 : 4) + +/* Number of bytes of storage in the program's representation + for register N. */ + +#define REGISTER_VIRTUAL_SIZE(N) (((unsigned)((N) - FP0_REGNUM)) < 8 ? 8 : 4) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 10 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 8 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) (((unsigned)((N) - FP0_REGNUM)) < 8) + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ +{ if ((REGNUM) >= FP0_REGNUM && (REGNUM) < FPC_REGNUM) \ + i387_to_double ((FROM), (TO)); \ + else \ + bcopy ((FROM), (TO), 4); } + +extern void +i387_to_double PARAMS ((char *, char *)); + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ +{ if ((REGNUM) >= FP0_REGNUM && (REGNUM) < FPC_REGNUM) \ + double_to_i387 ((FROM), (TO)); \ + else \ + bcopy ((FROM), (TO), 4); } + +extern void +double_to_i387 PARAMS ((char *, char *)); + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) \ + (((unsigned)((N) - FP0_REGNUM)) < 8 ? builtin_type_double : builtin_type_int) + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +#define STORE_STRUCT_RETURN(ADDR, SP) \ + { (SP) -= sizeof (ADDR); \ + write_memory ((SP), &(ADDR), sizeof (ADDR)); } + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy (REGBUF + REGISTER_BYTE (TYPE_CODE (TYPE) == TYPE_CODE_FLT ? FP0_REGNUM : 11), VALBUF, TYPE_LENGTH (TYPE)) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (REGISTER_BYTE (TYPE_CODE (TYPE) == TYPE_CODE_FLT ? FP0_REGNUM : 11), VALBUF, TYPE_LENGTH (TYPE)) + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. */ + +#define FRAME_CHAIN(thisframe) \ + (!inside_entry_file ((thisframe)->pc) ? \ + read_memory_integer ((thisframe)->frame, 4) :\ + 0) + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ +{ (FRAMELESS) = frameless_look_for_prologue (FI); } + +#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4)) + +#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) + +#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. */ + +#define FRAME_NUM_ARGS(numargs, fi) (numargs) = i386_frame_num_args(fi) + +#ifdef __STDC__ /* Forward decl's for prototypes */ +struct frame_info; +struct frame_saved_regs; +#endif + +extern int +i386_frame_num_args PARAMS ((struct frame_info *)); + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 8 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ +{ i386_frame_find_saved_regs ((frame_info), &(frame_saved_regs)); } + +extern void +i386_frame_find_saved_regs PARAMS ((struct frame_info *, + struct frame_saved_regs *)); + + +/* Things needed for making the inferior call functions. */ + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME { i386_push_dummy_frame (); } + +extern void +i386_push_dummy_frame PARAMS ((void)); + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME { i386_pop_frame (); } + +extern void +i386_pop_frame PARAMS ((void)); + +/* this is + * call 11223344 (32 bit relative) + * int3 + */ + +#define CALL_DUMMY { 0x223344e8, 0xcc11 } + +#define CALL_DUMMY_LENGTH 8 + +#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */ + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ +{ \ + *(int *)((char *)(dummyname) + 1) = (int)(fun) - (pc) - 5; \ +} diff --git a/gdb/config/i386/tm-symmetry.h b/gdb/config/i386/tm-symmetry.h new file mode 100644 index 0000000..465e645 --- /dev/null +++ b/gdb/config/i386/tm-symmetry.h @@ -0,0 +1,401 @@ +/* Target machine definitions for GDB on a Sequent Symmetry under dynix 3.0, + with Weitek 1167 and i387 support. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + Symmetry version by Jay Vosburgh (uunet!sequent!fubar). + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* I don't know if this will work for cross-debugging, even if you do get + a copy of the right include file. */ +#include <machine/reg.h> + +#define TARGET_BYTE_ORDER LITTLE_ENDIAN + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. From m-i386.h */ + +#define SKIP_PROLOGUE(frompc) {(frompc) = i386_skip_prologue((frompc));} + +extern int +i386_skip_prologue PARAMS ((int)); + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) \ + read_memory_integer(read_register(SP_REGNUM), 4) + +/* I don't know the real values for these. */ +#define TARGET_UPAGES UPAGES +#define TARGET_NBPG NBPG + +/* Address of end of stack space. */ + +#define STACK_END_ADDR (0x40000000 - (TARGET_UPAGES * TARGET_NBPG)) + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Sequence of bytes for breakpoint instruction. */ + +#define BREAKPOINT {0xcc} + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. */ +/* For Symmetry, this is really the 'leave' instruction, which */ +/* is right before the ret */ + +#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0xc9) + +/* Return 1 if P points to an invalid floating point value. +*/ + +#define INVALID_FLOAT(p, len) (0) + +#if 0 + --- this code can't be used unless we know we are running native, + since it uses host specific ptrace calls. +/* code for 80387 fpu. Functions are from i386-dep.c, copied into + * symm-dep.c. + */ +#define FLOAT_INFO { i386_float_info(); } +#endif + +/* Say how long (ordinary) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ +#define NUM_REGS 49 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +/* Symmetry registers are in this weird order to match the register + numbers in the symbol table entries. If you change the order, + things will probably break mysteriously for no apparent reason. + Also note that the st(0)...st(7) 387 registers are represented as + st0...st7. */ + +#define REGISTER_NAMES { "eax", "edx", "ecx", "st0", "st1", \ + "ebx", "esi", "edi", "st2", "st3", \ + "st4", "st5", "st6", "st7", "esp", \ + "ebp", "eip", "eflags", "fp1", "fp2", \ + "fp3", "fp4", "fp5", "fp6", "fp7", \ + "fp8", "fp9", "fp10", "fp11", "fp12", \ + "fp13", "fp14", "fp15", "fp16", "fp17", \ + "fp18", "fp19", "fp20", "fp21", "fp22", \ + "fp23", "fp24", "fp25", "fp26", "fp27", \ + "fp28", "fp29", "fp30", "fp31" } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define FP1_REGNUM 18 /* first 1167 register */ +#define SP_REGNUM 14 /* Contains address of top of stack */ +#define FP_REGNUM 15 /* Contains address of executing stack frame */ +#define PC_REGNUM 16 /* Contains program counter */ +#define PS_REGNUM 17 /* Contains processor status */ + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +/* 10 i386 registers, 8 i387 registers, and 31 Weitek 1167 registers */ +#define REGISTER_BYTES ((10 * 4) + (8 * 10) + (31 * 4)) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) \ +((N < 3) ? (N * 4) : \ +(N < 5) ? (((N - 2) * 10) + 2) : \ +(N < 8) ? (((N - 5) * 4) + 32) : \ +(N < 14) ? (((N - 8) * 10) + 44) : \ + (((N - 14) * 4) + 104)) + +/* Number of bytes of storage in the actual machine representation + * for register N. All registers are 4 bytes, except 387 st(0) - st(7), + * which are 80 bits each. + */ + +#define REGISTER_RAW_SIZE(N) \ +((N < 3) ? 4 : \ +(N < 5) ? 10 : \ +(N < 8) ? 4 : \ +(N < 14) ? 10 : \ + 4) + +/* Number of bytes of storage in the program's representation + for register N. On the vax, all regs are 4 bytes. */ + +#define REGISTER_VIRTUAL_SIZE(N) 4 + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 10 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 4 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) \ +((N < 3) ? 0 : \ +(N < 5) ? 1 : \ +(N < 8) ? 0 : \ +(N < 14) ? 1 : \ + 0) + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ +((REGNUM < 3) ? bcopy ((FROM), (TO), 4) : \ +(REGNUM < 5) ? i387_to_double((FROM), (TO)) : \ +(REGNUM < 8) ? bcopy ((FROM), (TO), 4) : \ +(REGNUM < 14) ? i387_to_double((FROM), (TO)) : \ + bcopy ((FROM), (TO), 4)) + +extern void +i387_to_double PARAMS ((char *, char *)); + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ +((REGNUM < 3) ? bcopy ((FROM), (TO), 4) : \ +(REGNUM < 5) ? double_to_i387((FROM), (TO)) : \ +(REGNUM < 8) ? bcopy ((FROM), (TO), 4) : \ +(REGNUM < 14) ? double_to_i387((FROM), (TO)) : \ + bcopy ((FROM), (TO), 4)) + +extern void +double_to_i387 PARAMS ((char *, char *)); + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) \ +((N < 3) ? builtin_type_int : \ +(N < 5) ? builtin_type_double : \ +(N < 8) ? builtin_type_int : \ +(N < 14) ? builtin_type_double : \ + builtin_type_int) + +/* from m-i386.h */ +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +#define STORE_STRUCT_RETURN(ADDR, SP) \ + { (SP) -= sizeof (ADDR); \ + write_memory ((SP), &(ADDR), sizeof (ADDR)); \ + write_register(0, (ADDR)); } + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + symmetry_extract_return_value(TYPE, REGBUF, VALBUF) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) + + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. + + However, if FRAME_CHAIN_VALID returns zero, + it means the given frame is the outermost one and has no caller. */ + +/* On Symmetry, %ebp points to caller's %ebp, and the return address + is right on top of that. */ + +#define FRAME_CHAIN(thisframe) \ + (!inside_entry_file ((thisframe)->pc) ? \ + read_memory_integer((thisframe)->frame, 4) :\ + 0) + +#define FRAME_CHAIN_VALID(chain, thisframe) \ + (chain != 0) + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + (FRAMELESS) = frameless_look_for_prologue(FI) + +#define FRAME_SAVED_PC(fi) (read_memory_integer((fi)->frame + 4, 4)) + +#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) + +#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. + + The weirdness in the "addl $imm8" case is due to gcc sometimes + issuing "addl $-int" after function call returns; this would + produce ridiculously huge arg counts. */ + +#define FRAME_NUM_ARGS(numargs, fi) \ +{ \ + int op = read_memory_integer(FRAME_SAVED_PC((fi)), 4); \ + int narg; \ + if ((op & 0xff) == 0x59) /* 0x59 'popl %ecx' */ \ + { \ + numargs = 1; \ + } \ + else if ((op & 0xffff) == 0xc483) /* 0xc483 'addl $imm8' */ \ + { \ + narg = ((op >> 16) & 0xff); \ + numargs = (narg >= 128) ? -1 : narg / 4; \ + } \ + else if ((op & 0xffff) == 0xc481) /* 0xc481 'addl $imm32' */ \ + { \ + narg = read_memory_integer(FRAME_SAVED_PC((fi))+2,4); \ + numargs = (narg < 0) ? -1 : narg / 4; \ + } \ + else \ + { \ + numargs = -1; \ + } \ +} + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 8 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ +{ i386_frame_find_saved_regs ((frame_info), &(frame_saved_regs)); } + +#ifdef __STDC__ /* Forward decl's for prototypes */ +struct frame_info; +struct frame_saved_regs; +#endif + +extern void +i386_frame_find_saved_regs PARAMS ((struct frame_info *, + struct frame_saved_regs *)); + + +/* Things needed for making the inferior call functions. */ + +#define PUSH_DUMMY_FRAME \ +{ CORE_ADDR sp = read_register (SP_REGNUM); \ + int regnum; \ + sp = push_word (sp, read_register (PC_REGNUM)); \ + sp = push_word (sp, read_register (FP_REGNUM)); \ + write_register (FP_REGNUM, sp); \ + for (regnum = 0; regnum < NUM_REGS; regnum++) \ + sp = push_word (sp, read_register (regnum)); \ + write_register (SP_REGNUM, sp); \ +} + +#define POP_FRAME \ +{ \ + FRAME frame = get_current_frame (); \ + CORE_ADDR fp; \ + int regnum; \ + struct frame_saved_regs fsr; \ + struct frame_info *fi; \ + fi = get_frame_info (frame); \ + fp = fi->frame; \ + get_frame_saved_regs (fi, &fsr); \ + for (regnum = 0; regnum < NUM_REGS; regnum++) { \ + CORE_ADDR adr; \ + adr = fsr.regs[regnum]; \ + if (adr) \ + write_register (regnum, read_memory_integer (adr, 4)); \ + } \ + write_register (FP_REGNUM, read_memory_integer (fp, 4)); \ + write_register (PC_REGNUM, read_memory_integer (fp + 4, 4)); \ + write_register (SP_REGNUM, fp + 8); \ + flush_cached_frames (); \ + set_current_frame ( create_new_frame (read_register (FP_REGNUM), \ + read_pc ())); \ +} + +/* from i386-dep.c, worked better than my original... */ +/* This sequence of words is the instructions + * call (32-bit offset) + * int 3 + * This is 6 bytes. + */ + +#define CALL_DUMMY { 0x223344e8, 0xcc11 } + +#define CALL_DUMMY_LENGTH 8 + +#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */ + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ +{ \ + int from, to, delta, loc; \ + loc = (int)(read_register (SP_REGNUM) - CALL_DUMMY_LENGTH); \ + from = loc + 5; \ + to = (int)(fun); \ + delta = to - from; \ + *(int *)((char *)(dummyname) + 1) = delta; \ +} + +extern void +print_387_control_word PARAMS ((unsigned int)); + +extern void +print_387_status_word PARAMS ((unsigned int)); diff --git a/gdb/config/i386/xm-go32.h b/gdb/config/i386/xm-go32.h new file mode 100644 index 0000000..91f5d35 --- /dev/null +++ b/gdb/config/i386/xm-go32.h @@ -0,0 +1,32 @@ +/* Definitions for hosting on GO32, for GDB. + Copyright 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#undef EIO +#define EIO 0 +#define SYS_SIGLIST_MISSING 1 +#define HOST_BYTE_ORDER LITTLE_ENDIAN +#include "fopen-bin.h" + +/* Define this lseek(n) != nth byte of file */ +#define LSEEK_NOT_LINEAR + +#define CANT_FORK + +#undef QUIT +#define QUIT { pollquit(); } diff --git a/gdb/config/i386/xm-i386bsd.h b/gdb/config/i386/xm-i386bsd.h new file mode 100644 index 0000000..8d28df0 --- /dev/null +++ b/gdb/config/i386/xm-i386bsd.h @@ -0,0 +1,31 @@ +/* Host-dependent definitions for Intel 386 running BSD Unix, for GDB. + Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER LITTLE_ENDIAN + +#include <machine/limits.h> /* for INT_MIN, to avoid "INT_MIN + redefined" warnings from defs.h */ + +/* psignal() is in <signal.h>. */ + +#define PSIGNAL_IN_SIGNAL_H + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE diff --git a/gdb/config/i386/xm-i386mach.h b/gdb/config/i386/xm-i386mach.h new file mode 100644 index 0000000..1681988 --- /dev/null +++ b/gdb/config/i386/xm-i386mach.h @@ -0,0 +1,43 @@ +/* Definitions to make GDB run on Mach on an Intel 386 + Copyright (C) 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER LITTLE_ENDIAN + +/* Avoid "INT_MIN redefined" warnings -- by defining it here, exactly + the same as in the system <machine/machtypes.h> file. */ +#undef INT_MIN +#define INT_MIN 0x80000000 + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#define KERNEL_U_ADDR (0x80000000 - (UPAGES * NBPG)) + +#define BROKEN_LARGE_ALLOCA + +#define PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES) + +/* <errno.h> only defines this if __STDC__!!! */ +extern int errno; + +extern char *strdup(); diff --git a/gdb/config/i386/xm-i386sco.h b/gdb/config/i386/xm-i386sco.h new file mode 100644 index 0000000..e500e26 --- /dev/null +++ b/gdb/config/i386/xm-i386sco.h @@ -0,0 +1,46 @@ +/* Macro defintions for i386, running SCO Unix System V/386 3.2. + Copyright (C) 1989 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* In 3.2v4 <sys/user.h> requires on <sys/dir.h>. */ +#include <sys/types.h> +#include <sys/dir.h> + +#include "i386/xm-i386v.h" + +/* Apparently there is inconsistency among various System V's about what + the name of this field is. */ +#define U_FPSTATE(u) u.u_fps.u_fpstate + +/* TIOCGETC is defined in System V 3.2 termio.h, but struct tchars + is not. This makes problems for inflow.c. */ +#define TIOCGETC_BROKEN + +/* All the job control definitions exist in SCO Unix, but the standard + shells don't use them. So we must disable job control. */ +/* This is no longer true with 3.2v2 and later */ +/* #define NO_JOB_CONTROL */ + +/* SCO's assembler doesn't grok dollar signs in identifiers. + So we use dots instead. This item must be coordinated with G++. */ +#undef CPLUS_MARKER +#define CPLUS_MARKER '.' +#define HAVE_STRSTR + +/* Use setpgid instead of setpgrp on SCO */ +#define NEED_POSIX_SETPGID diff --git a/gdb/config/i386/xm-i386v.h b/gdb/config/i386/xm-i386v.h new file mode 100644 index 0000000..cff2319 --- /dev/null +++ b/gdb/config/i386/xm-i386v.h @@ -0,0 +1,45 @@ +/* Host support for i386. + Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu), July 1988. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER LITTLE_ENDIAN + +/* I'm running gdb 3.4 under 386/ix 2.0.2, which is a derivative of AT&T's +Sys V/386 3.2. + +On some machines, gdb crashes when it's starting up while calling the +vendor's termio tgetent() routine. It always works when run under +itself (actually, under 3.2, it's not an infinitely recursive bug.) +After some poking around, it appears that depending on the environment +size, or whether you're running YP, or the phase of the moon or something, +the stack is not always long-aligned when main() is called, and tgetent() +takes strong offense at that. On some machines this bug never appears, but +on those where it does, it occurs quite reliably. */ +#define ALIGN_STACK_ON_STARTUP + +/* define USG if you are using sys5 /usr/include's */ +#define USG + +#define HAVE_TERMIO + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#define KERNEL_U_ADDR 0xe0000000 + diff --git a/gdb/config/i386/xm-i386v32.h b/gdb/config/i386/xm-i386v32.h new file mode 100644 index 0000000..129f8b8 --- /dev/null +++ b/gdb/config/i386/xm-i386v32.h @@ -0,0 +1,28 @@ +/* Macro defintions for i386, running System V 3.2. + Copyright (C) 1989 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "i386/xm-i386v.h" + +/* Apparently there is inconsistency among various System V's about what + the name of this field is. */ +#define U_FPSTATE(u) u.u_fps.u_fpstate + +/* TIOCGETC is defined in System V 3.2 termio.h, but struct tchars + is not. This makes problems for inflow.c. */ +#define TIOCGETC_BROKEN diff --git a/gdb/config/i386/xm-i386v4.h b/gdb/config/i386/xm-i386v4.h new file mode 100644 index 0000000..fc3eef8 --- /dev/null +++ b/gdb/config/i386/xm-i386v4.h @@ -0,0 +1,45 @@ +/* Macro definitions for GDB on an Intel i386 running SVR4. + Copyright 1991, 1992 Free Software Foundation, Inc. + Written by Fred Fish at Cygnus Support (fnf@cygnus.com). + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Pick up most of what we need from the generic i386 host include file. */ + +#include "i386/xm-i386v.h" + +/* Pick up more stuff from the generic SVR4 host include file. */ + +#include "xm-sysv4.h" + +/* The native AT&T compiler for i386/SVR4 complains about using volatile + to indicate functions that never return. So shut it up by simply + defining away "NORETURN", which is normally defined to "volatile". */ + +#ifndef __GNUC__ +# define NORETURN /**/ +#endif + +/* If you expect to use the mmalloc package to obtain mapped symbol files, + for now you have to specify some parameters that determine how gdb places + the mappings in it's address space. See the comments in map_to_address() + for details. This is expected to only be a short term solution. Yes it + is a kludge. + FIXME: Make this more automatic. */ + +#define MMAP_BASE_ADDRESS 0x81000000 /* First mapping here */ +#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */ diff --git a/gdb/config/i386/xm-linux.h b/gdb/config/i386/xm-linux.h new file mode 100644 index 0000000..0e5b07f --- /dev/null +++ b/gdb/config/i386/xm-linux.h @@ -0,0 +1,26 @@ +/* Native support for linux, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "i386/xm-i386v.h" + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ +#undef KERNEL_U_ADDR +#define KERNEL_U_ADDR 0x0 +#define PSIGNAL_IN_SIGNAL_H diff --git a/gdb/config/i386/xm-sun386.h b/gdb/config/i386/xm-sun386.h new file mode 100644 index 0000000..bbc4402 --- /dev/null +++ b/gdb/config/i386/xm-sun386.h @@ -0,0 +1,34 @@ +/* Host support for Sun 386i, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER LITTLE_ENDIAN + +/* Get rid of any system-imposed stack limit if possible. */ + +/* If I do this on SunOS 4.0.1, I get SIGSEGV's on (some) instructions which + try to access the stack. */ +/* #define SET_STACK_LIMIT_HUGE */ + +#define BROKEN_LARGE_ALLOCA + +/* Enable use of alternate code for Sun's format of core dump file. */ + +#define NEW_SUN_CORE + +#define PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES) diff --git a/gdb/config/i386/xm-symmetry.h b/gdb/config/i386/xm-symmetry.h new file mode 100644 index 0000000..a18340a --- /dev/null +++ b/gdb/config/i386/xm-symmetry.h @@ -0,0 +1,245 @@ +/* Definitions to make GDB run on a Sequent Symmetry under dynix 3.0, + with Weitek 1167 and i387 support. + Copyright 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Symmetry version by Jay Vosburgh (uunet!sequent!fubar) */ + +/* This machine doesn't have the siginterrupt call. */ +#define NO_SIGINTERRUPT + +#define HAVE_WAIT_STRUCT + +/* XPT_DEBUG doesn't work yet under Dynix 3.0.12, but UNDEBUG does... */ +/* #define PTRACE_ATTACH XPT_DEBUG +#define PTRACE_DETACH XPT_UNDEBUG +#define ATTACH_DETACH */ + +#define HOST_BYTE_ORDER LITTLE_ENDIAN + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#define KERNEL_U_ADDR (0x80000000 - (UPAGES * NBPG)) + +/* The magic numbers below are offsets into u_ar0 in the user struct. + They live in <machine/reg.h>. Gdb calls this macro with blockend + holding u.u_ar0 - KERNEL_U_ADDR. Only the registers listed are + saved in the u area (along with a few others that aren't useful + here. See <machine/reg.h>). */ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ struct user foo; /* needed for finding fpu regs */ \ +switch (regno) { \ + case 0: \ + addr = blockend + EAX * sizeof(int); break; \ + case 1: \ + addr = blockend + EDX * sizeof(int); break; \ + case 2: \ + addr = blockend + ECX * sizeof(int); break; \ + case 3: /* st(0) */ \ + addr = blockend - \ + ((int)&foo.u_fpusave.fpu_stack[0][0] - (int)&foo); \ + break; \ + case 4: /* st(1) */ \ + addr = blockend - \ + ((int) &foo.u_fpusave.fpu_stack[1][0] - (int)&foo); \ + break; \ + case 5: \ + addr = blockend + EBX * sizeof(int); break; \ + case 6: \ + addr = blockend + ESI * sizeof(int); break; \ + case 7: \ + addr = blockend + EDI * sizeof(int); break; \ + case 8: /* st(2) */ \ + addr = blockend - \ + ((int) &foo.u_fpusave.fpu_stack[2][0] - (int)&foo); \ + break; \ + case 9: /* st(3) */ \ + addr = blockend - \ + ((int) &foo.u_fpusave.fpu_stack[3][0] - (int)&foo); \ + break; \ + case 10: /* st(4) */ \ + addr = blockend - \ + ((int) &foo.u_fpusave.fpu_stack[4][0] - (int)&foo); \ + break; \ + case 11: /* st(5) */ \ + addr = blockend - \ + ((int) &foo.u_fpusave.fpu_stack[5][0] - (int)&foo); \ + break; \ + case 12: /* st(6) */ \ + addr = blockend - \ + ((int) &foo.u_fpusave.fpu_stack[6][0] - (int)&foo); \ + break; \ + case 13: /* st(7) */ \ + addr = blockend - \ + ((int) &foo.u_fpusave.fpu_stack[7][0] - (int)&foo); \ + break; \ + case 14: \ + addr = blockend + ESP * sizeof(int); break; \ + case 15: \ + addr = blockend + EBP * sizeof(int); break; \ + case 16: \ + addr = blockend + EIP * sizeof(int); break; \ + case 17: \ + addr = blockend + FLAGS * sizeof(int); break; \ + case 18: /* fp1 */ \ + case 19: /* fp2 */ \ + case 20: /* fp3 */ \ + case 21: /* fp4 */ \ + case 22: /* fp5 */ \ + case 23: /* fp6 */ \ + case 24: /* fp7 */ \ + case 25: /* fp8 */ \ + case 26: /* fp9 */ \ + case 27: /* fp10 */ \ + case 28: /* fp11 */ \ + case 29: /* fp12 */ \ + case 30: /* fp13 */ \ + case 31: /* fp14 */ \ + case 32: /* fp15 */ \ + case 33: /* fp16 */ \ + case 34: /* fp17 */ \ + case 35: /* fp18 */ \ + case 36: /* fp19 */ \ + case 37: /* fp20 */ \ + case 38: /* fp21 */ \ + case 39: /* fp22 */ \ + case 40: /* fp23 */ \ + case 41: /* fp24 */ \ + case 42: /* fp25 */ \ + case 43: /* fp26 */ \ + case 44: /* fp27 */ \ + case 45: /* fp28 */ \ + case 46: /* fp29 */ \ + case 47: /* fp30 */ \ + case 48: /* fp31 */ \ + addr = blockend - \ + ((int) &foo.u_fpasave.fpa_regs[(regno)-18] - (int)&foo); \ + } \ +} + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ + +#define FETCH_INFERIOR_REGISTERS + +/* We must fetch all the regs before storing, since we store all at once. */ + +#define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES) + +/* Interface definitions for kernel debugger KDB. */ +/* This doesn't work... */ +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, SIGKILL, SIGSEGV, 0, 0, 0, 0, 0, \ + 0, 0, SIGTRAP, SIGTRAP, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0} + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movl $ end, %esp"); \ + asm ("movl %ebp, $0"); } + +/* Push the frame pointer register on the stack. */ +#define PUSH_FRAME_PTR \ + asm ("pushl %ebp"); + +/* Copy the top-of-stack to the frame pointer register. */ +#define POP_FRAME_PTR \ + asm ("movl (%esp), %ebp"); + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#define PUSH_REGISTERS \ +{ asm("pushad"); } +/* +{ asm("pushl %eax"); \ + asm("pushl %edx"); \ + asm("pushl %ecx"); \ + asm("pushl %st(0)"); \ + asm("pushl %st(1)"); \ + asm("pushl %ebx"); \ + asm("pushl %esi"); \ + asm("pushl %edi"); \ + asm("pushl %st(2)"); \ + asm("pushl %st(3)"); \ + asm("pushl %st(4)"); \ + asm("pushl %st(5)"); \ + asm("pushl %st(6)"); \ + asm("pushl %st(7)"); \ + asm("pushl %esp"); \ + asm("pushl %ebp"); \ + asm("pushl %eip"); \ + asm("pushl %eflags"); \ + asm("pushl %fp1"); \ + asm("pushl %fp2"); \ + asm("pushl %fp3"); \ + asm("pushl %fp4"); \ + asm("pushl %fp5"); \ + asm("pushl %fp6"); \ + asm("pushl %fp7"); \ + asm("pushl %fp8"); \ + asm("pushl %fp9"); \ + asm("pushl %fp10"); \ + asm("pushl %fp11"); \ + asm("pushl %fp12"); \ + asm("pushl %fp13"); \ + asm("pushl %fp14"); \ + asm("pushl %fp15"); \ + asm("pushl %fp16"); \ + asm("pushl %fp17"); \ + asm("pushl %fp18"); \ + asm("pushl %fp19"); \ + asm("pushl %fp20"); \ + asm("pushl %fp21"); \ + asm("pushl %fp22"); \ + asm("pushl %fp23"); \ + asm("pushl %fp24"); \ + asm("pushl %fp25"); \ + asm("pushl %fp26"); \ + asm("pushl %fp27"); \ + asm("pushl %fp28"); \ + asm("pushl %fp29"); \ + asm("pushl %fp30"); \ + asm("pushl %fp31"); \ +} +*/ +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#define POP_REGISTERS \ +{ asm ("popad"); } diff --git a/gdb/config/i960/nindy960.mt b/gdb/config/i960/nindy960.mt new file mode 100644 index 0000000..fc12348 --- /dev/null +++ b/gdb/config/i960/nindy960.mt @@ -0,0 +1,3 @@ +# Target: Intel 80960, in an embedded system under the NINDY monitor +TDEPFILES= exec.o i960-pinsn.o i960-tdep.o nindy-tdep.o remote-nindy.o nindy.o Onindy.o ttybreak.o ttyflush.o +TM_FILE= tm-nindy960.h diff --git a/gdb/config/i960/tm-i960.h b/gdb/config/i960/tm-i960.h new file mode 100644 index 0000000..773a8b7 --- /dev/null +++ b/gdb/config/i960/tm-i960.h @@ -0,0 +1,386 @@ +/* Parameters for target machine Intel 960, for GDB, the GNU debugger. + Copyright (C) 1990, 1991, 1993 Free Software Foundation, Inc. + Contributed by Intel Corporation. +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Definitions to target GDB to any i960. */ + +#ifndef I80960 +#define I80960 +#endif + +/* Hook for the SYMBOL_CLASS of a parameter when decoding DBX symbol + information. In the i960, parameters can be stored as locals or as + args, depending on the type of the debug record. + + From empirical observation, gcc960 uses N_LSYM to indicate + arguments passed in registers and then copied immediately + to the frame, and N_PSYM to indicate arguments passed in a + g14-relative argument block. */ + +#define DBX_PARM_SYMBOL_CLASS(type) ((type == N_LSYM)? LOC_LOCAL_ARG: LOC_ARG) + +/* Byte order is configurable, but this machine runs little-endian. */ +#define TARGET_BYTE_ORDER LITTLE_ENDIAN + +/* We have IEEE floating point, if we have any float at all. */ + +#define IEEE_FLOAT + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance ip across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(ip) { ip = skip_prologue (ip); } +extern CORE_ADDR skip_prologue (); + +/* Immediately after a function call, return the saved ip. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function + executes some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) (saved_pc_after_call (frame)) +extern CORE_ADDR saved_pc_after_call (); + +/* Stack grows upward */ + +#define INNER_THAN > + +/* Nonzero if instruction at ip is a return instruction. */ + +#define ABOUT_TO_RETURN(ip) (read_memory_integer(ip,4) == 0x0a000000) + +/* Return 1 if P points to an invalid floating point value. + LEN is the length in bytes. */ + +#define INVALID_FLOAT(p, len) (0) + +/* How long (ordinary) registers are */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ +#define NUM_REGS 40 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +#define REGISTER_NAMES { \ + /* 0 */ "pfp", "sp", "rip", "r3", "r4", "r5", "r6", "r7", \ + /* 8 */ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",\ + /* 16 */ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \ + /* 24 */ "g8", "g9", "g10", "g11", "g12", "g13", "g14", "fp", \ + /* 32 */ "pcw", "ac", "tc", "ip", "fp0", "fp1", "fp2", "fp3",\ +} + +/* Register numbers of various important registers (used to index + into arrays of register names and register values). */ + +#define R0_REGNUM 0 /* First local register */ +#define SP_REGNUM 1 /* Contains address of top of stack */ +#define RIP_REGNUM 2 /* Return instruction pointer (local r2) */ +#define R15_REGNUM 15 /* Last local register */ +#define G0_REGNUM 16 /* First global register */ +#define G13_REGNUM 29 /* g13 - holds struct return address */ +#define G14_REGNUM 30 /* g14 - ptr to arg block / leafproc return address */ +#define FP_REGNUM 31 /* Contains address of executing stack frame */ +#define PCW_REGNUM 32 /* process control word */ +#define ACW_REGNUM 33 /* arithmetic control word */ +#define TCW_REGNUM 34 /* trace control word */ +#define IP_REGNUM 35 /* instruction pointer */ +#define FP0_REGNUM 36 /* First floating point register */ + +/* Some registers have more than one name */ + +#define PC_REGNUM IP_REGNUM /* GDB refers to ip as the Program Counter */ +#define PFP_REGNUM R0_REGNUM /* Previous frame pointer */ + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +#define REGISTER_BYTES ((36*4) + (4*10)) + +/* Index within `registers' of the first byte of the space for register N. */ + +#define REGISTER_BYTE(N) ( (N) < FP0_REGNUM ? \ + (4*(N)) : ((10*(N)) - (6*FP0_REGNUM)) ) + +/* The i960 has register windows, sort of. */ + +#define HAVE_REGISTER_WINDOWS + +/* Is this register part of the register window system? A yes answer + implies that 1) The name of this register will not be the same in + other frames, and 2) This register is automatically "saved" upon + subroutine calls and thus there is no need to search more than one + stack frame for it. + + On the i960, in fact, the name of this register in another frame is + "mud" -- there is no overlap between the windows. Each window is + simply saved into the stack (true for our purposes, after having been + flushed; normally they reside on-chip and are restored from on-chip + without ever going to memory). */ + +#define REGISTER_IN_WINDOW_P(regnum) ((regnum) <= R15_REGNUM) + +/* Number of bytes of storage in the actual machine representation + for register N. On the i960, all regs are 4 bytes except for floating + point, which are 10. NINDY only sends us 8 byte values for these, + which is a pain, but VxWorks handles this correctly, so we must. */ + +#define REGISTER_RAW_SIZE(N) ( (N) < FP0_REGNUM ? 4 : 10 ) + +/* Number of bytes of storage in the program's representation for register N. */ + +#define REGISTER_VIRTUAL_SIZE(N) ( (N) < FP0_REGNUM ? 4 : 8 ) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 10 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 8 + +/* Nonzero if register N requires conversion from raw format to virtual + format. */ + +#define REGISTER_CONVERTIBLE(N) ((N) >= FP0_REGNUM) + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +extern struct ext_format ext_format_i960; + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ +{ \ + if ((REGNUM) >= FP0_REGNUM) \ + ieee_extended_to_double (&ext_format_i960, (FROM), (double *)(TO)); \ + else \ + bcopy ((FROM), (TO), 4); \ +} + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ +{ \ + if ((REGNUM) >= FP0_REGNUM) \ + double_to_ieee_extended (&ext_format_i960, (double *)(FROM), (TO)); \ + else \ + bcopy ((FROM), (TO), 4); \ +} + + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) ((N) < FP0_REGNUM ? \ + builtin_type_int : builtin_type_double) + +/* Macros for understanding function return values... */ + +/* Does the specified function use the "struct returning" convention + or the "value returning" convention? The "value returning" convention + almost invariably returns the entire value in registers. The + "struct returning" convention often returns the entire value in + memory, and passes a pointer (out of or into the function) saying + where the value (is or should go). + + Since this sometimes depends on whether it was compiled with GCC, + this is also an argument. This is used in call_function to build a + stack, and in value_being_returned to print return values. + + On i960, a structure is returned in registers g0-g3, if it will fit. + If it's more than 16 bytes long, g13 pointed to it on entry. */ + +#define USE_STRUCT_CONVENTION(gcc_p, type) (TYPE_LENGTH (type) > 16) + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. This is only called if USE_STRUCT_CONVENTION for this + type is 0. + + On the i960 we just take as many bytes as we need from G0 through G3. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy(REGBUF+REGISTER_BYTE(G0_REGNUM), VALBUF, TYPE_LENGTH (TYPE)) + +/* If USE_STRUCT_CONVENTION produces a 1, + extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). + + Address of where to put structure was passed in in global + register g13 on entry. God knows what's in g13 now. The + (..., 0) below is to make it appear to return a value, though + actually all it does is call error(). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ + (error("Don't know where large structure is returned on i960"), 0) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format, for "value returning" functions. + + For 'return' command: not (yet) implemented for i960. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + error ("Returning values from functions is not implemented in i960 gdb") + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +#define STORE_STRUCT_RETURN(ADDR, SP) \ + error ("Returning values from functions is not implemented in i960 gdb") + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. + + However, if FRAME_CHAIN_VALID returns zero, + it means the given frame is the outermost one and has no caller. */ + +/* We cache information about saved registers in the frame structure, + to save us from having to re-scan function prologues every time + a register in a non-current frame is accessed. */ + +#define EXTRA_FRAME_INFO \ + struct frame_saved_regs *fsr; \ + CORE_ADDR arg_pointer; + +/* Zero the frame_saved_regs pointer when the frame is initialized, + so that FRAME_FIND_SAVED_REGS () will know to allocate and + initialize a frame_saved_regs struct the first time it is called. + Set the arg_pointer to -1, which is not valid; 0 and other values + indicate real, cached values. */ + +#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \ + ((fi)->fsr = 0, (fi)->arg_pointer = -1) + +/* On the i960, we get the chain pointer by reading the PFP saved + on the stack and clearing the status bits. */ + +#define FRAME_CHAIN(thisframe) \ + (read_memory_integer (FRAME_FP(thisframe), 4) & ~0xf) + +/* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one + and has no caller. + + On the i960, each various target system type must define FRAME_CHAIN_VALID, + since it differs between NINDY and VxWorks, the two currently supported + targets types. We leave it undefined here. */ + + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ + +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + { (FRAMELESS) = (leafproc_return ((FI)->pc) != 0); } + +/* Note that in the i960 architecture the return pointer is saved in the + *caller's* stack frame. + + Make sure to zero low-order bits because of bug in 960CA A-step part + (instruction addresses should always be word-aligned anyway). */ + +#define FRAME_SAVED_PC(frame) \ + ((read_memory_integer(FRAME_CHAIN(frame)+8,4)) & ~3) + +/* On the i960, FRAME_ARGS_ADDRESS should return the value of + g14 as passed into the frame, if known. We need a function for this. + We cache this value in the frame info if we've already looked it up. */ + +#define FRAME_ARGS_ADDRESS(fi) \ + (((fi)->arg_pointer != -1)? (fi)->arg_pointer: frame_args_address (fi, 0)) +extern CORE_ADDR frame_args_address (); /* i960-tdep.c */ + +/* This is the same except it should return 0 when + it does not really know where the args are, rather than guessing. + This value is not cached since it is only used infrequently. */ + +#define FRAME_ARGS_ADDRESS_CORRECT(fi) (frame_args_address (fi, 1)) + +#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame + +/* Set NUMARGS to the number of args passed to a frame. + Can return -1, meaning no way to tell. */ + +#define FRAME_NUM_ARGS(numargs, fi) (numargs = -1) + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 0 + +/* Produce the positions of the saved registers in a stack frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info_addr, sr) \ + frame_find_saved_regs (frame_info_addr, &sr) +extern void frame_find_saved_regs(); /* See i960-tdep.c */ + + +/* Print status when we get a random unexpected signal. We have more + kinds of signals than Unix does... */ + +#define PRINT_RANDOM_SIGNAL(stop_signal) print_fault (stop_signal) + +/* Things needed for making calls to functions in the inferior process */ + +/* Push an empty stack frame, to record the current ip, etc. + + Not (yet?) implemented for i960. */ + +#define PUSH_DUMMY_FRAME \ +error("Function calls into the inferior process are not supported on the i960") + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME \ + pop_frame () + + +/* This sequence of words is the instructions + + callx 0x00000000 + fmark + */ + +/* #define CALL_DUMMY { 0x86003000, 0x00000000, 0x66003e00 } */ + +/* #define CALL_DUMMY_START_OFFSET 0 *//* Start execution at beginning of dummy */ + +/* Indicate that we don't support calling inferior child functions. */ + +#undef CALL_DUMMY + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at 'dummyname'. + + Ignore arg count on i960. */ + +/* #define FIX_CALL_DUMMY(dummyname, fun, nargs) *(((int *)dummyname)+1) = fun */ + +#undef FIX_CALL_DUMMY + + +/* Interface definitions for kernel debugger KDB */ +/* (Not relevant to i960.) */ diff --git a/gdb/config/i960/tm-nindy960.h b/gdb/config/i960/tm-nindy960.h new file mode 100644 index 0000000..c6410d0 --- /dev/null +++ b/gdb/config/i960/tm-nindy960.h @@ -0,0 +1,104 @@ +/* Parameters for Intel 960 running NINDY monitor, for GDB, the GNU debugger. + Copyright (C) 1990-1991 Free Software Foundation, Inc. + Contributed by Intel Corporation and Cygnus Support. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/***************************************************************************** + * Definitions to target GDB to an i960 debugged over a serial line. + ******************************************************************************/ + +#include "i960/tm-i960.h" + +/* Override the standard gdb prompt when compiled for this target. */ + +#define DEFAULT_PROMPT "(gdb960) " + +/* Additional command line options accepted by nindy gdb's, for handling + the remote-nindy.c interface. These should really be target-specific + rather than architecture-specific. */ + +extern int nindy_old_protocol; /* nonzero if old NINDY serial protocol */ +extern int nindy_initial_brk; /* Send a BREAK to reset board first */ +extern char *nindy_ttyname; /* Name of serial port to talk to nindy */ + +#define ADDITIONAL_OPTIONS \ + {"O", no_argument, &nindy_old_protocol, 1}, \ + {"brk", no_argument, &nindy_initial_brk, 1}, \ + {"ser", required_argument, 0, 1004}, /* 1004 is magic cookie for ADDL_CASES */ + +#define ADDITIONAL_OPTION_CASES \ + case 1004: /* -ser option: remote nindy auto-start */ \ + nindy_ttyname = optarg; \ + break; + +#define ADDITIONAL_OPTION_HELP \ + "\ + -O Use old protocol to talk to a Nindy target\n\ + -brk Send a break to a Nindy target to reset it.\n\ + -ser SERIAL Open remote Nindy session to SERIAL port.\n\ +" + +/* If specified on the command line, open tty for talking to nindy, + and download the executable file if one was specified. */ + +#define ADDITIONAL_OPTION_HANDLER \ + if (!setjmp (to_top_level) && nindy_ttyname) { \ + nindy_open (nindy_ttyname, !batch); \ + if ( !setjmp(to_top_level) && execarg ) { \ + target_load (execarg, !batch); \ + } \ + } + +/* If configured for i960 target, we take control before main loop + and demand that we configure for a nindy target. */ + +#define BEFORE_MAIN_LOOP_HOOK \ + nindy_before_main_loop(); + +extern void +nindy_before_main_loop(); /* In remote-nindy.c */ + +/* Address of end of stack space. + * This probably doesn't matter for nindy, because it's only used + * in manipulation of core files, which we don't support. + */ + +#define STACK_END_ADDR (0xfe000000) + +/* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one + and has no caller. + + On the i960, each various target system type defines FRAME_CHAIN_VALID, + since it differs between NINDY and VxWorks, the two currently supported + targets types. */ + +#define FRAME_CHAIN_VALID(chain, thisframe) \ + nindy_frame_chain_valid (chain, thisframe) + +extern int +nindy_frame_chain_valid(); /* See nindy-tdep.c */ + +/* Sequence of bytes for breakpoint instruction */ + +#define BREAKPOINT {0x00, 0x3e, 0x00, 0x66} + +/* Amount ip must be decremented by after a breakpoint. + * This is often the number of bytes in BREAKPOINT but not always. + */ + +#define DECR_PC_AFTER_BREAK 0 diff --git a/gdb/config/i960/tm-vx960.h b/gdb/config/i960/tm-vx960.h new file mode 100644 index 0000000..521f15b --- /dev/null +++ b/gdb/config/i960/tm-vx960.h @@ -0,0 +1,42 @@ +/* Parameters for VxWorks Intel 960's, for GDB, the GNU debugger. + Copyright (C) 1986-1991 Free Software Foundation, Inc. + Contributed by Cygnus Support. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "i960/tm-i960.h" + +/* Under VxWorks the IP isn't filled in. Skip it, go with RIP, which has + the real value. */ +#undef PC_REGNUM +#define PC_REGNUM RIP_REGNUM + +#define GDBINIT_FILENAME ".vxgdbinit" + +#define DEFAULT_PROMPT "(vxgdb) " + +/* We have more complex, useful breakpoints on the target. + Amount ip must be decremented by after a breakpoint. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* We are guaranteed to have a zero frame pointer at bottom of stack, too. */ + +#define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0) + +/* Breakpoint patching is handled at the target end in VxWorks. */ +/* #define BREAKPOINT {0x00, 0x3e, 0x00, 0x66} */ diff --git a/gdb/config/i960/vxworks960.mt b/gdb/config/i960/vxworks960.mt new file mode 100644 index 0000000..287d185 --- /dev/null +++ b/gdb/config/i960/vxworks960.mt @@ -0,0 +1,5 @@ +# Target: VxWorks running on an Intel 960 +TDEPFILES= exec.o i960-pinsn.o i960-tdep.o remote-vx.o xdr_ld.o xdr_ptrace.o xdr_rdb.o +TM_FILE= tm-vx960.h +# Define this for the vx-share routines, which don't see param.h. +MT_CFLAGS= -DI80960 diff --git a/gdb/config/m68k/3b1.mh b/gdb/config/m68k/3b1.mh new file mode 100644 index 0000000..fd484f7 --- /dev/null +++ b/gdb/config/m68k/3b1.mh @@ -0,0 +1,12 @@ +# Host: AT&T 3b1/Unix pc +# I don't think cc has been tried. -traditional for <sys/ioctl.h> +# (not sure whether necessary). +CC= gcc -traditional +# GCC runs out of virtual memory. +# A separate CC for pinsn routines is no longer supported, though. +# FIXME -- someone unlucky enough to have a 3B1, let bug-gcc@prep.ai.mit.edu +# know what works and what fails on the 3B1. +#PINSN_CC= cc + +XDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o +XM_FILE= xm-3b1.h diff --git a/gdb/config/m68k/3b1.mt b/gdb/config/m68k/3b1.mt new file mode 100644 index 0000000..bba2ed1 --- /dev/null +++ b/gdb/config/m68k/3b1.mt @@ -0,0 +1,3 @@ +# Target: AT&T 3b1/Unix pc +TDEPFILES= exec.o m68k-pinsn.o +TM_FILE= tm-3b1.h diff --git a/gdb/config/m68k/altos.mh b/gdb/config/m68k/altos.mh new file mode 100644 index 0000000..13c37a7 --- /dev/null +++ b/gdb/config/m68k/altos.mh @@ -0,0 +1,6 @@ +# Host: Altos 3068 (68k, System V release 2) +XDEPFILES= infptrace.o inftarg.o fork-child.o altos-xdep.o +XM_FILE= xm-altos.h +REGEX=regex.o +REGEX1=regex.o +SYSV_DEFINE=-DSYSV diff --git a/gdb/config/m68k/altos.mt b/gdb/config/m68k/altos.mt new file mode 100644 index 0000000..d156615 --- /dev/null +++ b/gdb/config/m68k/altos.mt @@ -0,0 +1,3 @@ +# Target: Altos 3068 (68k, System V release 2) +TDEPFILES= m68k-pinsn.o exec.o +TM_FILE= tm-altos.h diff --git a/gdb/config/m68k/amix.mh b/gdb/config/m68k/amix.mh new file mode 100644 index 0000000..ad3afed --- /dev/null +++ b/gdb/config/m68k/amix.mh @@ -0,0 +1,26 @@ +# Host: Commodore Amiga running SVR4. +NAT_FILE= nm-sysv4.h +NATDEPFILES= corelow.o procfs.o fork-child.o +XDEPFILES= +XM_FILE= xm-amix.h +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o + +# We need to find alloca() somewhere. Gcc has one built in, but most other +# compilers don't. Using the one in /usr/ucblib/libucb.a is tricky because +# we have to be careful not to pull in anything else from the library (lots +# of things are broken in most SVR4 versions). The best solution is to just +# compile alloca.c and link it into the executable. If we end up not needing +# it, then the code is just dead. Once alloca.c moves to libiberty, then we +# can eliminate this semi-kludge. +ALLOCA=alloca.o +ALLOCA1=alloca.o + +# SVR4 comes standard with terminfo, and in some implementations, the +# old termcap descriptions are incomplete. So ensure that we use the +# new terminfo interface and latest terminal descriptions. +TERMCAP=-ltermlib + +# SVR4 puts the BSD compatible install in /usr/ucb. +INSTALL = /usr/ucb/install -c diff --git a/gdb/config/m68k/amix.mt b/gdb/config/m68k/amix.mt new file mode 100644 index 0000000..91166b9 --- /dev/null +++ b/gdb/config/m68k/amix.mt @@ -0,0 +1,3 @@ +# Target: Commodore Amiga running SVR4 +TDEPFILES= m68k-pinsn.o exec.o m68k-tdep.o solib.o +TM_FILE= tm-amix.h diff --git a/gdb/config/m68k/apollo68b.mh b/gdb/config/m68k/apollo68b.mh new file mode 100644 index 0000000..58f7313 --- /dev/null +++ b/gdb/config/m68k/apollo68b.mh @@ -0,0 +1,6 @@ +# Host: Apollo 68k, BSD mode. + +XM_FILE= xm-apollo68b.h +XDEPFILES= ser-bsd.o +NAT_FILE= nm-apollo68b.h +NATDEPFILES= infptrace.o inftarg.o fork-child.o a68v-nat.o diff --git a/gdb/config/m68k/apollo68v.mh b/gdb/config/m68k/apollo68v.mh new file mode 100644 index 0000000..f710724 --- /dev/null +++ b/gdb/config/m68k/apollo68v.mh @@ -0,0 +1,10 @@ +RANLIB=echo >/dev/null +XM_FILE= xm-apollo68v.h +XM_CLIBS= -lPW +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o +CC= cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_SYS_FILE +XDEPFILES= +NAT_FILE= nm-apollo68v.h +NATDEPFILES= infptrace.o inftarg.o fork-child.o a68v-nat.o diff --git a/gdb/config/m68k/es1800.mt b/gdb/config/m68k/es1800.mt new file mode 100644 index 0000000..fd42163 --- /dev/null +++ b/gdb/config/m68k/es1800.mt @@ -0,0 +1,3 @@ +# Target: Ericcson ES-1800 emulator (remote) for m68k. +TDEPFILES= exec.o m68k-pinsn.o m68k-tdep.o remote-es1800.o +TM_FILE= tm-es1800.h diff --git a/gdb/config/m68k/hp300bsd.mh b/gdb/config/m68k/hp300bsd.mh new file mode 100644 index 0000000..fd2fa4b --- /dev/null +++ b/gdb/config/m68k/hp300bsd.mh @@ -0,0 +1,7 @@ +# Host: Hewlett-Packard 9000 series 300, running BSD +XDEPFILES= +XM_FILE= xm-hp300bsd.h +NAT_FILE= nm-hp300bsd.h +NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o coredep.o corelow.o +REGEX=regex.o +REGEX1=regex.o diff --git a/gdb/config/m68k/hp300bsd.mt b/gdb/config/m68k/hp300bsd.mt new file mode 100644 index 0000000..7690f09 --- /dev/null +++ b/gdb/config/m68k/hp300bsd.mt @@ -0,0 +1,3 @@ +# Target: Hewlett-Packard 9000 series 300, running BSD +TDEPFILES= m68k-pinsn.o m68k-tdep.o +TM_FILE= tm-hp300bsd.h diff --git a/gdb/config/m68k/hp300hpux.mh b/gdb/config/m68k/hp300hpux.mh new file mode 100644 index 0000000..43e27a3 --- /dev/null +++ b/gdb/config/m68k/hp300hpux.mh @@ -0,0 +1,15 @@ +# Host: Hewlett-Packard 9000 series 300, running HPUX +# The following is true because gcc uses a different .o file format +# than the native HPUX compiler +#msg If you compile GDB with GCC on HPUX, you must make sure +#msg that the `nm' used in `munch' is GNU nm +#msg + +XM_FILE= xm-hp300hpux.h +NAT_FILE= nm-hp300hpux.h +NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o hp300ux-nat.o +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o +ALLOCA=alloca.o +ALLOCA1=alloca.o diff --git a/gdb/config/m68k/hp300hpux.mt b/gdb/config/m68k/hp300hpux.mt new file mode 100644 index 0000000..a8902cd --- /dev/null +++ b/gdb/config/m68k/hp300hpux.mt @@ -0,0 +1,11 @@ +# Target: Hewlett-Packard 9000 series 300, running HPUX + +#msg Note that GDB can only read symbols from programs that were +#msg compiled with GCC +#msg + +# The headers in the directory hp-include override system headers +# and tell GDB to use BSD executable file format (hence -Ihp-include) +MT_CFLAGS=-Ihp-include +TDEPFILES= m68k-pinsn.o +TM_FILE= tm-hp300hpux.h diff --git a/gdb/config/m68k/isi.mh b/gdb/config/m68k/isi.mh new file mode 100644 index 0000000..b0a5bed --- /dev/null +++ b/gdb/config/m68k/isi.mh @@ -0,0 +1,3 @@ +# Host: ISI Optimum V (3.05) under 4.3bsd. +XDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o +XM_FILE= xm-isi.h diff --git a/gdb/config/m68k/isi.mt b/gdb/config/m68k/isi.mt new file mode 100644 index 0000000..fb4d83f --- /dev/null +++ b/gdb/config/m68k/isi.mt @@ -0,0 +1,3 @@ +# Target: ISI Optimum V (3.05) under 4.3bsd. +TDEPFILES= exec.o m68k-pinsn.o +TM_FILE= tm-isi.h diff --git a/gdb/config/m68k/m68k-fp.mt b/gdb/config/m68k/m68k-fp.mt new file mode 100644 index 0000000..139595b --- /dev/null +++ b/gdb/config/m68k/m68k-fp.mt @@ -0,0 +1,3 @@ +# Target: Motorola 68xxx with floating point +TDEPFILES= exec.o m68k-pinsn.o m68k-tdep.o +TM_FILE= tm-68k-fp.h diff --git a/gdb/config/m68k/m68k-nofp.mt b/gdb/config/m68k/m68k-nofp.mt new file mode 100644 index 0000000..a2465bf --- /dev/null +++ b/gdb/config/m68k/m68k-nofp.mt @@ -0,0 +1,3 @@ +# Target: Motorola 68xxx without floating point +TDEPFILES= exec.o m68k-pinsn.o m68k-tdep.o +TM_FILE= tm-68k-nofp.h diff --git a/gdb/config/m68k/news.mh b/gdb/config/m68k/news.mh new file mode 100644 index 0000000..64f8de85 --- /dev/null +++ b/gdb/config/m68k/news.mh @@ -0,0 +1,5 @@ +# Host: Sony news series 700/800/900 (68020) running NewsOS version 3. +XDEPFILES= news-xdep.o +XM_FILE= xm-news.h +NAT_FILE= nm-news.h +NATDEPFILES= exec.o inftarg.o fork-child.o coredep.o corelow.o infptrace.o diff --git a/gdb/config/m68k/news.mt b/gdb/config/m68k/news.mt new file mode 100644 index 0000000..5c595ea --- /dev/null +++ b/gdb/config/m68k/news.mt @@ -0,0 +1,3 @@ +# Target: Sony news series 700/800/900 (68020) running NewsOS version 3. +TDEPFILES= m68k-pinsn.o m68k-tdep.o +TM_FILE= tm-news.h diff --git a/gdb/config/m68k/news1000.mh b/gdb/config/m68k/news1000.mh new file mode 100644 index 0000000..0a03a89 --- /dev/null +++ b/gdb/config/m68k/news1000.mh @@ -0,0 +1,3 @@ +# Host: Sony news series 1000 (68030) running NewsOS version 3. +XDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o news-xdep.o +XM_FILE= xm-news1000.h diff --git a/gdb/config/m68k/nm-apollo68b.h b/gdb/config/m68k/nm-apollo68b.h new file mode 100644 index 0000000..ba2998a --- /dev/null +++ b/gdb/config/m68k/nm-apollo68b.h @@ -0,0 +1,23 @@ +/* Macro defintions for an Apollo 68k in BSD mode + Copyright (C) 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define PTRACE_IN_WRONG_PLACE + +#define FETCH_INFERIOR_REGISTERS + diff --git a/gdb/config/m68k/nm-apollo68v.h b/gdb/config/m68k/nm-apollo68v.h new file mode 100644 index 0000000..6c83f38 --- /dev/null +++ b/gdb/config/m68k/nm-apollo68v.h @@ -0,0 +1,20 @@ +/* Macro defintions for an Apollo. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define FETCH_INFERIOR_REGISTERS diff --git a/gdb/config/m68k/nm-hp300bsd.h b/gdb/config/m68k/nm-hp300bsd.h new file mode 100644 index 0000000..3531842 --- /dev/null +++ b/gdb/config/m68k/nm-hp300bsd.h @@ -0,0 +1,97 @@ +/* Parameters for Hewlett-Packard 9000/300 native support under bsd. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This is a hack. This is only a hack. Were this a common source file, + rather than a config file specific to BSD on HP 68k's, you would have + been instructed to clean this up. As it is, clean it up if FSF's + HP's-running-ancient-BSD ever go away. */ + +#include <errno.h> +#ifdef EPROCUNAVAIL + /* BSD 4.4 alpha or better */ + + /* We can attach to processes using ptrace. */ + +#define ATTACH_DETACH +#define PTRACE_ATTACH 10 +#define PTRACE_DETACH 11 + + /* The third argument of ptrace is declared as this type. */ + +#define PTRACE_ARG3_TYPE caddr_t + +/* U_REGS_OFFSET is the offset of the registers within the u area for + ptrace purposes. */ +#define U_REGS_OFFSET \ + ptrace (PT_READ_U, inferior_pid, \ + (PTRACE_ARG3_TYPE) \ + (offsetof (struct user, u_kproc.kp_proc.p_md.md_regs)), 0) \ + - USRSTACK + + /* This is a piece of magic that is given a register number REGNO + and as BLOCKEND the address in the system of the end of the user structure + and stores in ADDR the address in the kernel or core dump + of that register. */ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ \ + if (regno < PS_REGNUM) \ + addr = (int) &((struct frame *)(blockend))->f_regs[regno]; \ + else if (regno == PS_REGNUM) \ + addr = (int) &((struct frame *)(blockend))->f_stackadj; \ + else if (regno == PC_REGNUM) \ + addr = (int) &((struct frame *)(blockend))->f_pc; \ + else if (regno < FPC_REGNUM) \ + addr = (int) \ + &((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\ + else if (regno == FPC_REGNUM) \ + addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr; \ + else if (regno == FPS_REGNUM) \ + addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr; \ + else \ + addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar; \ +} +#else + +/* THIS IS BSD 4.3 or something like it. */ + +/* This is a piece of magic that is given a register number REGNO + and as BLOCKEND the address in the system of the end of the user structure + and stores in ADDR the address in the kernel or core dump + of that register. */ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ \ + if (regno < PS_REGNUM) \ + addr = (int) &((struct frame *)(blockend))->f_regs[regno]; \ + else if (regno == PS_REGNUM) \ + addr = (int) &((struct frame *)(blockend))->f_stackadj; \ + else if (regno == PC_REGNUM) \ + addr = (int) &((struct frame *)(blockend))->f_pc; \ + else if (regno < FPC_REGNUM) \ + addr = (int) \ + &((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\ + else if (regno == FPC_REGNUM) \ + addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr; \ + else if (regno == FPS_REGNUM) \ + addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr; \ + else \ + addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar; \ +} +#endif diff --git a/gdb/config/m68k/nm-hp300hpux.h b/gdb/config/m68k/nm-hp300hpux.h new file mode 100644 index 0000000..060f792 --- /dev/null +++ b/gdb/config/m68k/nm-hp300hpux.h @@ -0,0 +1,26 @@ +/* Parameters for native support on HP 9000 model 320, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Do implement the attach and detach commands. */ + +#define ATTACH_DETACH + +/* fetch_inferior_registers is in nat-hp300hpux.c. */ +#define FETCH_INFERIOR_REGISTERS + diff --git a/gdb/config/m68k/nm-news.h b/gdb/config/m68k/nm-news.h new file mode 100644 index 0000000..881b734 --- /dev/null +++ b/gdb/config/m68k/nm-news.h @@ -0,0 +1,20 @@ +/* Parameters for execution on a Sony/NEWS, for GDB, the GNU debugger. + Copyright 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This file intentionally empty. */ diff --git a/gdb/config/m68k/nm-sun2.h b/gdb/config/m68k/nm-sun2.h new file mode 100644 index 0000000..65ecaed --- /dev/null +++ b/gdb/config/m68k/nm-sun2.h @@ -0,0 +1,33 @@ +/* Parameters for execution on a Sun2, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Do implement the attach and detach commands. */ + +#define ATTACH_DETACH + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ +#define FETCH_INFERIOR_REGISTERS + +/* This is a piece of magic that is given a register number REGNO + and as BLOCKEND the address in the system of the end of the user structure + and stores in ADDR the address in the kernel or core dump + of that register. */ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ addr = blockend + regno * 4; } diff --git a/gdb/config/m68k/nm-sun3.h b/gdb/config/m68k/nm-sun3.h new file mode 100644 index 0000000..31972bb --- /dev/null +++ b/gdb/config/m68k/nm-sun3.h @@ -0,0 +1,26 @@ +/* Host-dependent definitions for Sun-3 for GDB, the GNU debugger. + Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Do implement the attach and detach commands. */ + +#define ATTACH_DETACH + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ + +#define FETCH_INFERIOR_REGISTERS diff --git a/gdb/config/m68k/os68k.mt b/gdb/config/m68k/os68k.mt new file mode 100644 index 0000000..a921691 --- /dev/null +++ b/gdb/config/m68k/os68k.mt @@ -0,0 +1,3 @@ +# Target: VxWorks running on a 68000 +TDEPFILES= exec.o m68k-pinsn.o m68k-tdep.o +TM_FILE= tm-os68k.h diff --git a/gdb/config/m68k/st2000.mt b/gdb/config/m68k/st2000.mt new file mode 100644 index 0000000..d3c21f3 --- /dev/null +++ b/gdb/config/m68k/st2000.mt @@ -0,0 +1,7 @@ +# Target: Tandem ST-2000 phone switch +# These defines should give you a gdb running on anything that will be able to +# communicate with a Tandem ST2000 phone switch debug monitor. Communications +# is facilitated via either a serial line, or a TCP or TELNET connection to +# a serial line on a terminal multiplexor. +TDEPFILES= exec.o m68k-pinsn.o m68k-tdep.o remote-st2000.o +TM_FILE= tm-st2000.h diff --git a/gdb/config/m68k/sun2os3.mh b/gdb/config/m68k/sun2os3.mh new file mode 100644 index 0000000..a3ef627 --- /dev/null +++ b/gdb/config/m68k/sun2os3.mh @@ -0,0 +1,5 @@ +# Host: Sun 2, running SunOS 3 +XDEPFILES= +XM_FILE= xm-sun2.h +NAT_FILE= nm-sun2.h +NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o sun3-nat.o diff --git a/gdb/config/m68k/sun2os3.mt b/gdb/config/m68k/sun2os3.mt new file mode 100644 index 0000000..bee830d --- /dev/null +++ b/gdb/config/m68k/sun2os3.mt @@ -0,0 +1,8 @@ +# Target: Sun 2, running SunOS 3 +# The system-supplied assembler re-orders the symbols so that gdb +# can't find "gcc_compiled.". +#msg If you compile your program with GCC, use the GNU assembler. +#msg + +TDEPFILES= exec.o m68k-pinsn.o m68k-tdep.o +TM_FILE= tm-sun2.h diff --git a/gdb/config/m68k/sun2os4.mh b/gdb/config/m68k/sun2os4.mh new file mode 100644 index 0000000..617642d --- /dev/null +++ b/gdb/config/m68k/sun2os4.mh @@ -0,0 +1,5 @@ +# Host: Sun 2, running SunOS 4 +XDEPFILES= +XM_FILE= xm-sun2.h +NAT_FILE= nm-sun2.h +NATDEPFILES= infptrace.o inftarg.o fork-child.o corelow.o sun3-nat.o diff --git a/gdb/config/m68k/sun2os4.mt b/gdb/config/m68k/sun2os4.mt new file mode 100644 index 0000000..4443c5b --- /dev/null +++ b/gdb/config/m68k/sun2os4.mt @@ -0,0 +1,3 @@ +# Target: Sun 2, running SunOS 4 +TDEPFILES= exec.o m68k-pinsn.o solib.o m68k-tdep.o +TM_FILE= tm-sun2os4.h diff --git a/gdb/config/m68k/sun3os3.mh b/gdb/config/m68k/sun3os3.mh new file mode 100644 index 0000000..1b93793 --- /dev/null +++ b/gdb/config/m68k/sun3os3.mh @@ -0,0 +1,5 @@ +# Host: Sun 3, running SunOS 3 +XDEPFILES= +XM_FILE= xm-sun3.h +NAT_FILE= nm-sun3.h +NATDEPFILES= fork-child.o inftarg.o infptrace.o corelow.o sun3-nat.o diff --git a/gdb/config/m68k/sun3os3.mt b/gdb/config/m68k/sun3os3.mt new file mode 100644 index 0000000..fa3c662 --- /dev/null +++ b/gdb/config/m68k/sun3os3.mt @@ -0,0 +1,8 @@ +# Target: Sun 3, running SunOS 3 +# The system-supplied assembler re-orders the symbols so that gdb +# can't find "gcc_compiled.". +#msg If you compile your program with GCC, use the GNU assembler. +#msg + +TDEPFILES= exec.o m68k-pinsn.o m68k-tdep.o +TM_FILE= tm-sun3.h diff --git a/gdb/config/m68k/sun3os4.mh b/gdb/config/m68k/sun3os4.mh new file mode 100644 index 0000000..460f302 --- /dev/null +++ b/gdb/config/m68k/sun3os4.mh @@ -0,0 +1,5 @@ +# Host: Sun 3, running SunOS 4 +XDEPFILES= +XM_FILE= xm-sun3os4.h +NAT_FILE= nm-sun3.h +NATDEPFILES= fork-child.o inftarg.o infptrace.o corelow.o sun3-nat.o diff --git a/gdb/config/m68k/sun3os4.mt b/gdb/config/m68k/sun3os4.mt new file mode 100644 index 0000000..c249002 --- /dev/null +++ b/gdb/config/m68k/sun3os4.mt @@ -0,0 +1,3 @@ +# Target: Sun 3, running SunOS 4, as a target system +TDEPFILES= exec.o m68k-pinsn.o solib.o m68k-tdep.o +TM_FILE= tm-sun3os4.h diff --git a/gdb/config/m68k/tm-3b1.h b/gdb/config/m68k/tm-3b1.h new file mode 100644 index 0000000..b9bd4ef --- /dev/null +++ b/gdb/config/m68k/tm-3b1.h @@ -0,0 +1,29 @@ +/* Parameters for targeting GDB to a 3b1. + Copyright 1986, 1987, 1989, 1991, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Define BPT_VECTOR if it is different than the default. + This is the vector number used by traps to indicate a breakpoint. */ + +#define BPT_VECTOR 0x1 + +/* Address of end of stack space. */ + +#define STACK_END_ADDR 0x300000 + +#include "m68k/tm-68k.h" diff --git a/gdb/config/m68k/tm-68k-fp.h b/gdb/config/m68k/tm-68k-fp.h new file mode 100644 index 0000000..73e228c --- /dev/null +++ b/gdb/config/m68k/tm-68k-fp.h @@ -0,0 +1,66 @@ +/* Target machine parameters for embedded m68k with 6888x float, for GDB. + Copyright 1986, 1987, 1989, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HAVE_68881 + +#include "m68k/tm-68k.h" + +/* Longjmp info comes from the Sun-3 machine description. Might as well + guess... */ + +/* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least + documented in a comment in <machine/setjmp.h>! */ + +#define JB_ELEMENT_SIZE 4 + +#define JB_ONSSTACK 0 +#define JB_SIGMASK 1 +#define JB_SP 2 +#define JB_PC 3 +#define JB_PSL 4 +#define JB_D2 5 +#define JB_D3 6 +#define JB_D4 7 +#define JB_D5 8 +#define JB_D6 9 +#define JB_D7 10 +#define JB_A2 11 +#define JB_A3 12 +#define JB_A4 13 +#define JB_A5 14 +#define JB_A6 15 + +/* Figure out where the longjmp will land. Slurp the args out of the stack. + We expect the first arg to be a pointer to the jmp_buf structure from which + we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) + +/* Where is the PC after a call? */ + +#ifdef __STDC__ +struct frame_info; +#endif + +extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *)); + +#undef SAVED_PC_AFTER_CALL +#define SAVED_PC_AFTER_CALL(frame) \ + m68k_saved_pc_after_call(frame) diff --git a/gdb/config/m68k/tm-68k-nofp.h b/gdb/config/m68k/tm-68k-nofp.h new file mode 100644 index 0000000..0ce320c --- /dev/null +++ b/gdb/config/m68k/tm-68k-nofp.h @@ -0,0 +1,64 @@ +/* Target machine parameters for embedded m68k, without float, for GDB. + Copyright 1986, 1987, 1989, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "m68k/tm-68k.h" + +/* Longjmp info comes from the Sun-3 machine description. Might as well + guess... */ + +/* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least + documented in a comment in <machine/setjmp.h>! */ + +#define JB_ELEMENT_SIZE 4 + +#define JB_ONSSTACK 0 +#define JB_SIGMASK 1 +#define JB_SP 2 +#define JB_PC 3 +#define JB_PSL 4 +#define JB_D2 5 +#define JB_D3 6 +#define JB_D4 7 +#define JB_D5 8 +#define JB_D6 9 +#define JB_D7 10 +#define JB_A2 11 +#define JB_A3 12 +#define JB_A4 13 +#define JB_A5 14 +#define JB_A6 15 + +/* Figure out where the longjmp will land. Slurp the args out of the stack. + We expect the first arg to be a pointer to the jmp_buf structure from which + we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) + +/* Where is the PC after a call? */ + +#ifdef __STDC__ +struct frame_info; +#endif + +extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *)); + +#undef SAVED_PC_AFTER_CALL +#define SAVED_PC_AFTER_CALL(frame) \ + m68k_saved_pc_after_call(frame) diff --git a/gdb/config/m68k/tm-68k.h b/gdb/config/m68k/tm-68k.h new file mode 100644 index 0000000..96d71de --- /dev/null +++ b/gdb/config/m68k/tm-68k.h @@ -0,0 +1,525 @@ +/* Parameters for execution on a 68000 series machine. + Copyright 1986, 1987, 1989, 1990, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Generic 68000 stuff, to be included by other tm-*.h files. + Define HAVE_68881 if that is the case. */ + +#if defined (HAVE_68881) +#define IEEE_FLOAT 1 +#endif + +/* Define the bit, byte, and word ordering of the machine. */ +#define TARGET_BYTE_ORDER BIG_ENDIAN + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#if !defined(SKIP_PROLOGUE) +#define SKIP_PROLOGUE(ip) {(ip) = m68k_skip_prologue(ip);} +extern CORE_ADDR m68k_skip_prologue PARAMS ((CORE_ADDR ip)); +#endif + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) \ +read_memory_integer (read_register (SP_REGNUM), 4) + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Sequence of bytes for breakpoint instruction. + This is a TRAP instruction. The last 4 bits (0xf below) is the + vector. Systems which don't use 0xf should define BPT_VECTOR + themselves before including this file. */ + +#if !defined (BPT_VECTOR) +#define BPT_VECTOR 0xf +#endif + +#if !defined (BREAKPOINT) +#define BREAKPOINT {0x4e, (0x40 | BPT_VECTOR)} +#endif + +/* If your kernel resets the pc after the trap happens you may need to + define this before including this file. */ + +#if !defined (DECR_PC_AFTER_BREAK) +#define DECR_PC_AFTER_BREAK 2 +#endif + +/* Nonzero if instruction at PC is a return instruction. */ +/* Allow any of the return instructions, including a trapv and a return + from interupt. */ + +#define ABOUT_TO_RETURN(pc) ((read_memory_integer (pc, 2) & ~0x3) == 0x4e74) + +/* Return 1 if P points to an invalid floating point value. */ + +#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */ + +/* Say how long registers are. */ + +#define REGISTER_TYPE long + +#if defined (HAVE_68881) +# if defined (GDB_TARGET_IS_SUN3) + /* Sun3 status includes fpflags, which shows whether the FPU has been used + by the process, and whether the FPU was done with an instruction or + was interrupted in the middle of a long instruction. See + <machine/reg.h>. */ + /* a&d, pc,sr, fp, fpstat, fpflags */ +# define NUM_REGS 31 +# define REGISTER_BYTES (16*4 + 8 + 8*12 + 3*4 + 4) +# else /* Not sun3. */ +# define NUM_REGS 29 +# define REGISTER_BYTES (16*4 + 8 + 8*12 + 3*4) +# endif /* Not sun3. */ +#else /* No 68881. */ +# define NUM_REGS 18 +# define REGISTER_BYTES (16*4 + 8) +#endif /* No 68881. */ + +/* Index within `registers' of the first byte of the space for + register N. */ + +#if defined (HAVE_68881) +#define REGISTER_BYTE(N) \ + ((N) >= FPC_REGNUM ? (((N) - FPC_REGNUM) * 4) + 168 \ + : (N) >= FP0_REGNUM ? (((N) - FP0_REGNUM) * 12) + 72 \ + : (N) * 4) + +/* Number of bytes of storage in the actual machine representation + for register N. On the 68000, all regs are 4 bytes + except the floating point regs which are 12 bytes. */ +/* Note that the unsigned cast here forces the result of the + subtraction to very high positive values if N < FP0_REGNUM */ + +#define REGISTER_RAW_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 8 ? 12 : 4) + +/* Number of bytes of storage in the program's representation + for register N. On the 68000, all regs are 4 bytes + except the floating point regs which are 8-byte doubles. */ + +#define REGISTER_VIRTUAL_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 8 ? 8 : 4) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 12 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 8 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) (((unsigned)(N) - FP0_REGNUM) < 8) + +/* Put the declaration out here because if it's in the macros, PCC + will complain. */ +extern const struct ext_format ext_format_68881; + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ +{ \ + if ((REGNUM) >= FP0_REGNUM && (REGNUM) < FPC_REGNUM) \ + ieee_extended_to_double (&ext_format_68881, (FROM), (double *)(TO)); \ + else \ + memcpy ((TO), (FROM), 4); \ +} + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ +{ \ + if ((REGNUM) >= FP0_REGNUM && (REGNUM) < FPC_REGNUM) \ + double_to_ieee_extended (&ext_format_68881, (double *)(FROM), (TO)); \ + else \ + memcpy ((TO), (FROM), 4); \ +} + +/* Return the GDB type object for the "standard" data type + of data in register N. */ +/* Note, for registers which contain addresses return + pointer to void, not pointer to char, because we don't + want to attempt to print the string after printing the address. */ +#define REGISTER_VIRTUAL_TYPE(N) \ + (((unsigned)(N) - FP0_REGNUM) < 8 ? builtin_type_double : \ + (N) == PC_REGNUM || (N) == FP_REGNUM || (N) == SP_REGNUM ? \ + lookup_pointer_type (builtin_type_void) : builtin_type_int) + +#else /* no 68881. */ +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N) * 4) + +/* Number of bytes of storage in the actual machine representation + for register N. On the 68000, all regs are 4 bytes. */ + +#define REGISTER_RAW_SIZE(N) 4 + +/* Number of bytes of storage in the program's representation + for register N. On the 68000, all regs are 4 bytes. */ + +#define REGISTER_VIRTUAL_SIZE(N) 4 + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 4 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 4 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) 0 + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) memcpy ((TO), (FROM), 4); + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) memcpy ((TO), (FROM), 4); + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) builtin_type_int + +#endif /* No 68881. */ + +/* Initializer for an array of names of registers. + Entries beyond the first NUM_REGS are ignored. */ + +#define REGISTER_NAMES \ + {"d0", "d1", "d2", "d3", "d4", "d5", "d6", "d7", \ + "a0", "a1", "a2", "a3", "a4", "a5", "fp", "sp", \ + "ps", "pc", \ + "fp0", "fp1", "fp2", "fp3", "fp4", "fp5", "fp6", "fp7", \ + "fpcontrol", "fpstatus", "fpiaddr", "fpcode", "fpflags" } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define A1_REGNUM 9 +#define FP_REGNUM 14 /* Contains address of executing stack frame */ +#define SP_REGNUM 15 /* Contains address of top of stack */ +#define PS_REGNUM 16 /* Contains processor status */ +#define PC_REGNUM 17 /* Contains program counter */ +#if defined (HAVE_68881) +#define FP0_REGNUM 18 /* Floating point register 0 */ +#define FPC_REGNUM 26 /* 68881 control register */ +#define FPS_REGNUM 27 /* 68881 status register */ +#define FPI_REGNUM 28 /* 68881 iaddr register */ +#endif /* 68881. */ + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +#define STORE_STRUCT_RETURN(ADDR, SP) \ + { write_register (A1_REGNUM, (ADDR)); } + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. This is assuming that floating point values are returned + as doubles in d0/d1. */ + +#if !defined (EXTRACT_RETURN_VALUE) +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + memcpy ((VALBUF), \ + (char *)(REGBUF) + \ + (TYPE_LENGTH(TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH(TYPE)), \ + TYPE_LENGTH(TYPE)) +#endif + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. Assumes floats are passed + in d0/d1. */ + +#if !defined (STORE_RETURN_VALUE) +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) +#endif + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF)) + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address and produces the frame's + chain-pointer. + In the case of the 68000, the frame's nominal address + is the address of a 4-byte word containing the calling frame's address. */ + +#define FRAME_CHAIN(thisframe) \ + (!inside_entry_file ((thisframe)->pc) ? \ + read_memory_integer ((thisframe)->frame, 4) :\ + 0) + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + (FRAMELESS) = frameless_look_for_prologue(FI) + +#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4)) + +#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) + +#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) + +/* Set VAL to the number of args passed to frame described by FI. + Can set VAL to -1, meaning no way to tell. */ + +/* We can't tell how many args there are + now that the C compiler delays popping them. */ +#if !defined (FRAME_NUM_ARGS) +#define FRAME_NUM_ARGS(val,fi) (val = -1) +#endif + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 8 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#if !defined (FRAME_FIND_SAVED_REGS) +#if defined (HAVE_68881) +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ +{ register int regnum; \ + register int regmask; \ + register CORE_ADDR next_addr; \ + register CORE_ADDR pc; \ + int nextinsn; \ + bzero (&frame_saved_regs, sizeof frame_saved_regs); \ + if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM*4 - 8*12 - 4 \ + && (frame_info)->pc <= (frame_info)->frame) \ + { next_addr = (frame_info)->frame; \ + pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 8*12 - 4; }\ + else \ + { pc = get_pc_function_start ((frame_info)->pc); \ + /* Verify we have a link a6 instruction next; \ + if not we lose. If we win, find the address above the saved \ + regs using the amount of storage from the link instruction. */\ + if (044016 == read_memory_integer (pc, 2)) \ + next_addr = (frame_info)->frame + read_memory_integer (pc += 2, 4), pc+=4; \ + else if (047126 == read_memory_integer (pc, 2)) \ + next_addr = (frame_info)->frame + read_memory_integer (pc += 2, 2), pc+=2; \ + else goto lose; \ + /* If have an addal #-n, sp next, adjust next_addr. */ \ + if ((0177777 & read_memory_integer (pc, 2)) == 0157774) \ + next_addr += read_memory_integer (pc += 2, 4), pc += 4; \ + } \ + /* next should be a moveml to (sp) or -(sp) or a movl r,-(sp) */ \ + regmask = read_memory_integer (pc + 2, 2); \ + /* But before that can come an fmovem. Check for it. */ \ + nextinsn = 0xffff & read_memory_integer (pc, 2); \ + if (0xf227 == nextinsn \ + && (regmask & 0xff00) == 0xe000) \ + { pc += 4; /* Regmask's low bit is for register fp7, the first pushed */ \ + for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--, regmask >>= 1) \ + if (regmask & 1) \ + (frame_saved_regs).regs[regnum] = (next_addr -= 12); \ + regmask = read_memory_integer (pc + 2, 2); } \ + if (0044327 == read_memory_integer (pc, 2)) \ + { pc += 4; /* Regmask's low bit is for register 0, the first written */ \ + for (regnum = 0; regnum < 16; regnum++, regmask >>= 1) \ + if (regmask & 1) \ + (frame_saved_regs).regs[regnum] = (next_addr += 4) - 4; } \ + else if (0044347 == read_memory_integer (pc, 2)) \ + { pc += 4; /* Regmask's low bit is for register 15, the first pushed */ \ + for (regnum = 15; regnum >= 0; regnum--, regmask >>= 1) \ + if (regmask & 1) \ + (frame_saved_regs).regs[regnum] = (next_addr -= 4); } \ + else if (0x2f00 == (0xfff0 & read_memory_integer (pc, 2))) \ + { regnum = 0xf & read_memory_integer (pc, 2); pc += 2; \ + (frame_saved_regs).regs[regnum] = (next_addr -= 4); } \ + /* fmovemx to index of sp may follow. */ \ + regmask = read_memory_integer (pc + 2, 2); \ + nextinsn = 0xffff & read_memory_integer (pc, 2); \ + if (0xf236 == nextinsn \ + && (regmask & 0xff00) == 0xf000) \ + { pc += 10; /* Regmask's low bit is for register fp0, the first written */ \ + for (regnum = FP0_REGNUM + 7; regnum >= FP0_REGNUM; regnum--, regmask >>= 1) \ + if (regmask & 1) \ + (frame_saved_regs).regs[regnum] = (next_addr += 12) - 12; \ + regmask = read_memory_integer (pc + 2, 2); } \ + /* clrw -(sp); movw ccr,-(sp) may follow. */ \ + if (0x426742e7 == read_memory_integer (pc, 4)) \ + (frame_saved_regs).regs[PS_REGNUM] = (next_addr -= 4); \ + lose: ; \ + (frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame + 8; \ + (frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame; \ + (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 4; \ +} +#else /* no 68881. */ +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ +{ register int regnum; \ + register int regmask; \ + register CORE_ADDR next_addr; \ + register CORE_ADDR pc; \ + bzero (&frame_saved_regs, sizeof frame_saved_regs); \ + if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM*4 - 4 \ + && (frame_info)->pc <= (frame_info)->frame) \ + { next_addr = (frame_info)->frame; \ + pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 4; }\ + else \ + { pc = get_pc_function_start ((frame_info)->pc); \ + /* Verify we have a link a6 instruction next; \ + if not we lose. If we win, find the address above the saved \ + regs using the amount of storage from the link instruction. */\ + if (044016 == read_memory_integer (pc, 2)) \ + next_addr = (frame_info)->frame + read_memory_integer (pc += 2, 4), pc+=4; \ + else if (047126 == read_memory_integer (pc, 2)) \ + next_addr = (frame_info)->frame + read_memory_integer (pc += 2, 2), pc+=2; \ + else goto lose; \ + /* If have an addal #-n, sp next, adjust next_addr. */ \ + if ((0177777 & read_memory_integer (pc, 2)) == 0157774) \ + next_addr += read_memory_integer (pc += 2, 4), pc += 4; \ + } \ + /* next should be a moveml to (sp) or -(sp) or a movl r,-(sp) */ \ + regmask = read_memory_integer (pc + 2, 2); \ + if (0044327 == read_memory_integer (pc, 2)) \ + { pc += 4; /* Regmask's low bit is for register 0, the first written */ \ + for (regnum = 0; regnum < 16; regnum++, regmask >>= 1) \ + if (regmask & 1) \ + (frame_saved_regs).regs[regnum] = (next_addr += 4) - 4; } \ + else if (0044347 == read_memory_integer (pc, 2)) \ + { pc += 4; /* Regmask's low bit is for register 15, the first pushed */ \ + for (regnum = 15; regnum >= 0; regnum--, regmask >>= 1) \ + if (regmask & 1) \ + (frame_saved_regs).regs[regnum] = (next_addr -= 4); } \ + else if (0x2f00 == (0xfff0 & read_memory_integer (pc, 2))) \ + { regnum = 0xf & read_memory_integer (pc, 2); pc += 2; \ + (frame_saved_regs).regs[regnum] = (next_addr -= 4); } \ + /* clrw -(sp); movw ccr,-(sp) may follow. */ \ + if (0x426742e7 == read_memory_integer (pc, 4)) \ + (frame_saved_regs).regs[PS_REGNUM] = (next_addr -= 4); \ + lose: ; \ + (frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame + 8; \ + (frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame; \ + (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 4; \ +} +#endif /* no 68881. */ +#endif /* no FIND_FRAME_SAVED_REGS. */ + + +/* Things needed for making the inferior call functions. + It seems like every m68k based machine has almost identical definitions + in the individual machine's configuration files. Most other cpu types + (mips, i386, etc) have routines in their *-tdep.c files to handle this + for most configurations. The m68k family should be able to do this as + well. These macros can still be overridden when necessary. */ + +/* The CALL_DUMMY macro is the sequence of instructions, as disassembled + by gdb itself: + + fmovemx fp0-fp7,sp@- 0xf227 0xe0ff + moveml d0-a5,sp@- 0x48e7 0xfffc + clrw sp@- 0x4267 + movew ccr,sp@- 0x42e7 + + /..* The arguments are pushed at this point by GDB; + no code is needed in the dummy for this. + The CALL_DUMMY_START_OFFSET gives the position of + the following jsr instruction. *../ + + jsr @#0x32323232 0x4eb9 0x3232 0x3232 + addal #0x69696969,sp 0xdffc 0x6969 0x6969 + trap #<your BPT_VECTOR number here> 0x4e4? + nop 0x4e71 + + Note this is CALL_DUMMY_LENGTH bytes (28 for the above example). + We actually start executing at the jsr, since the pushing of the + registers is done by PUSH_DUMMY_FRAME. If this were real code, + the arguments for the function called by the jsr would be pushed + between the moveml and the jsr, and we could allow it to execute through. + But the arguments have to be pushed by GDB after the PUSH_DUMMY_FRAME is + done, and we cannot allow the moveml to push the registers again lest + they be taken for the arguments. */ + +#if defined (HAVE_68881) + +#define CALL_DUMMY {0xf227e0ff, 0x48e7fffc, 0x426742e7, 0x4eb93232, 0x3232dffc, 0x69696969, (0x4e404e71 | (BPT_VECTOR << 16))} +#define CALL_DUMMY_LENGTH 28 /* Size of CALL_DUMMY */ +#define CALL_DUMMY_START_OFFSET 12 /* Offset to jsr instruction*/ + +#else + +#define CALL_DUMMY {0x48e7fffc, 0x426742e7, 0x4eb93232, 0x3232dffc, 0x69696969, (0x4e404e71 | (BPT_VECTOR << 16))} +#define CALL_DUMMY_LENGTH 24 /* Size of CALL_DUMMY */ +#define CALL_DUMMY_START_OFFSET 8 /* Offset to jsr instruction*/ + +#endif /* HAVE_68881 */ + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. + We use the BFD routines to store a big-endian value of known size. */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ +{ _do_putb32 (fun, (char *) dummyname + CALL_DUMMY_START_OFFSET + 2); \ + _do_putb32 (nargs*4, (char *) dummyname + CALL_DUMMY_START_OFFSET + 8); } + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME { m68k_push_dummy_frame (); } + +extern void m68k_push_dummy_frame PARAMS ((void)); + +extern void m68k_pop_frame PARAMS ((void)); + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME { m68k_pop_frame (); } + +/* Offset from SP to first arg on stack at first instruction of a function */ + +#define SP_ARG0 (1 * 4) diff --git a/gdb/config/m68k/tm-altos.h b/gdb/config/m68k/tm-altos.h new file mode 100644 index 0000000..b1b0733 --- /dev/null +++ b/gdb/config/m68k/tm-altos.h @@ -0,0 +1,54 @@ +/* Target definitions for GDB on an Altos 3068 (m68k running SVR2) + Copyright 1987, 1989, 1991, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Define BPT_VECTOR if it is different than the default. + This is the vector number used by traps to indicate a breakpoint. */ + +#define BPT_VECTOR 0xe + +/* Address of end of stack space. */ + +/*#define STACK_END_ADDR (0xffffff)*/ +#define STACK_END_ADDR (0x1000000) + +/* Amount PC must be decremented by after a breakpoint. + On the Altos, the kernel resets the pc to the trap instr */ + +#define DECR_PC_AFTER_BREAK 0 + +/* The only reason this is here is the tm-altos.h reference below. It + was moved back here from tm-68k.h. FIXME? */ + +#define SKIP_PROLOGUE(pc) \ +{ register int op = read_memory_integer (pc, 2); \ + if (op == 0047126) \ + pc += 4; /* Skip link #word */ \ + else if (op == 0044016) \ + pc += 6; /* Skip link #long */ \ + /* Not sure why branches are here. */ \ + /* From tm-isi.h, tm-altos.h */ \ + else if (op == 0060000) \ + pc += 4; /* Skip bra #word */ \ + else if (op == 00600377) \ + pc += 6; /* skip bra #long */ \ + else if ((op & 0177400) == 0060000) \ + pc += 2; /* skip bra #char */ \ +} + +#include "m68k/tm-68k.h" diff --git a/gdb/config/m68k/tm-amix.h b/gdb/config/m68k/tm-amix.h new file mode 100644 index 0000000..b758da7 --- /dev/null +++ b/gdb/config/m68k/tm-amix.h @@ -0,0 +1,77 @@ +/* Macro definitions for GDB on a Commodore Amiga running SVR4 (amix). + Copyright (C) 1991, Free Software Foundation, Inc. + Written by Fred Fish at Cygnus Support (fnf@cygint) + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* All Amiga's (so far) running UNIX have come standard with the floating + point coprocessor. */ + +#define HAVE_68881 + +/* Define BPT_VECTOR if it is different than the default. + This is the vector number used by traps to indicate a breakpoint. */ + +#define BPT_VECTOR 0x1 + +/* How much to decrement the PC after a trap. Depends on kernel. */ + +#define DECR_PC_AFTER_BREAK 0 /* No decrement required */ + +/* Address of end of stack space. Actually one byte past it. + This value is typically very OS dependent. + FIXME: Check to see if SVR4 offers some machine independent way + of discovering this value and use it if so, and if we need it. */ + +/* #define STACK_END_ADDR 0xc0800000 */ + +/* Use the alternate method of determining valid frame chains. */ + +#define FRAME_CHAIN_VALID_ALTERNATE + +#include "tm-sysv4.h" +#include "m68k/tm-68k.h" + +/* Offsets (in target ints) into jmp_buf. Not defined in any system header + file, so we have to step through setjmp/longjmp with a debugger and figure + them out. As a double check, note that <setjmp> defines _JBLEN as 13, + which matches the number of elements we see saved by setjmp(). */ + +#define JB_ELEMENT_SIZE sizeof(int) /* jmp_buf[_JBLEN] is array of ints */ + +#define JB_D2 0 +#define JB_D3 1 +#define JB_D4 2 +#define JB_D5 3 +#define JB_D6 4 +#define JB_D7 5 +#define JB_A1 6 +#define JB_A2 7 +#define JB_A3 8 +#define JB_A4 9 +#define JB_A5 10 +#define JB_A6 11 +#define JB_A7 12 + +#define JB_PC JB_A1 /* Setjmp()'s return PC saved in A1 */ + +/* Figure out where the longjmp will land. Slurp the args out of the stack. + We expect the first arg to be a pointer to the jmp_buf structure from which + we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) diff --git a/gdb/config/m68k/tm-es1800.h b/gdb/config/m68k/tm-es1800.h new file mode 100644 index 0000000..f62f043 --- /dev/null +++ b/gdb/config/m68k/tm-es1800.h @@ -0,0 +1,60 @@ +/* Parameters for execution on ES-1800 emulator for 68000. + The code was originally written by Johan Holmberg TT/SJ Ericsson Telecom + AB and later modified by Johan Henriksson TT/SJ. It was adapted to GDB 4.0 + by Jan Norden TX/DK. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +GDB is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 1, or (at your option) +any later version. + +GDB is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GDB; see the file COPYING. If not, write to +the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define GDBINIT_FILENAME ".esgdbinit" + +#define DEFAULT_PROMPT "(esgdb) " + +#define HAVE_68881 + +#include "m68k/tm-68k.h" + +/* Longjmp stuff borrowed from sun3 configuration. Don't know if correct. + FIXME. */ +/* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least + documented in a comment in <machine/setjmp.h>! */ + +#define JB_ELEMENT_SIZE 4 + +#define JB_ONSSTACK 0 +#define JB_SIGMASK 1 +#define JB_SP 2 +#define JB_PC 3 +#define JB_PSL 4 +#define JB_D2 5 +#define JB_D3 6 +#define JB_D4 7 +#define JB_D5 8 +#define JB_D6 9 +#define JB_D7 10 +#define JB_A2 11 +#define JB_A3 12 +#define JB_A4 13 +#define JB_A5 14 +#define JB_A6 15 + +/* Figure out where the longjmp will land. Slurp the args out of the stack. + We expect the first arg to be a pointer to the jmp_buf structure from which + we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) diff --git a/gdb/config/m68k/tm-hp300bsd.h b/gdb/config/m68k/tm-hp300bsd.h new file mode 100644 index 0000000..4dc95e1 --- /dev/null +++ b/gdb/config/m68k/tm-hp300bsd.h @@ -0,0 +1,50 @@ +/* Parameters for target machine Hewlett-Packard 9000/300, running bsd. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + * Configuration file for HP9000/300 series machine running + * University of Utah's 4.3bsd port. This is NOT for HP-UX. + * Problems to hpbsd-bugs@cs.utah.edu + */ + +#define HAVE_68881 + +/* Define BPT_VECTOR if it is different than the default. + This is the vector number used by traps to indicate a breakpoint. */ + +#define BPT_VECTOR 0x2 + +#define TARGET_NBPG 4096 +#define TARGET_UPAGES 3 + +/* On the HP300, sigtramp is in the u area. Gak! User struct is not + mapped to the same virtual address in user/kernel address space + (hence STACK_END_ADDR as opposed to KERNEL_U_ADDR). This tests + for the whole u area, since we don't necessarily have hp300bsd + include files around. */ +#define IN_SIGTRAMP(pc, name) \ + ((pc) >= STACK_END_ADDR \ + && (pc) < STACK_END_ADDR + TARGET_UPAGES * TARGET_NBPG \ + ) + +/* Address of end of stack space. */ + +#define STACK_END_ADDR 0xfff00000 + +#include "m68k/tm-68k.h" diff --git a/gdb/config/m68k/tm-hp300hpux.h b/gdb/config/m68k/tm-hp300hpux.h new file mode 100644 index 0000000..df2df4a --- /dev/null +++ b/gdb/config/m68k/tm-hp300hpux.h @@ -0,0 +1,31 @@ +/* Parameters for execution on an HP 9000 model 320, for GDB, the GNU debugger. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HAVE_68881 + +/* Define BPT_VECTOR if it is different than the default. + This is the vector number used by traps to indicate a breakpoint. */ + +#define BPT_VECTOR 0x1 + +/* Address of end of stack space. */ + +#define STACK_END_ADDR 0xFFF00000 + +#include "m68k/tm-68k.h" diff --git a/gdb/config/m68k/tm-isi.h b/gdb/config/m68k/tm-isi.h new file mode 100644 index 0000000..da28c2f --- /dev/null +++ b/gdb/config/m68k/tm-isi.h @@ -0,0 +1,156 @@ +/* Definitions to target GDB on an ISI Optimum V (3.05) under 4.3bsd. + Copyright (C) 1987, 1989, 1991, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This has not been tested on ISI's running BSD 4.2, but it will probably + work. */ + +#define HAVE_68881 + +/* Address of end of stack space. */ + +#define STACK_END_ADDR 0xfffe000 + +/* Data segment starts at etext rounded up to DATAROUND in {N,Z}MAGIC files */ + +#define DATAROUND 0x20000 +#define N_DATADDR(hdr) (hdr.a_magic != OMAGIC ? \ + (hdr.a_text + DATAROUND) & ~(DATAROUND-1) : hdr.a_text) + +/* Text segment starts at sizeof (struct exec) in {N,Z}MAGIC files */ + +#define N_TXTADDR(hdr) (hdr.a_magic != OMAGIC ? sizeof (struct exec) : 0) + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. + On the ISI, the kernel resets the pc to the trap instr */ + +#define DECR_PC_AFTER_BREAK 0 + + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. */ + +#define FRAME_NUM_ARGS(val, fi) \ +{ register CORE_ADDR pc = FRAME_SAVED_PC (fi); \ + register int insn = 0177777 & read_memory_integer (pc, 2); \ + val = 0; \ + if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */ \ + val = read_memory_integer (pc + 2, 2); \ + else if ((insn & 0170777) == 0050217 /* addql #N, sp */ \ + || (insn & 0170777) == 0050117) /* addqw */ \ + { val = (insn >> 9) & 7; if (val == 0) val = 8; } \ + else if (insn == 0157774) /* addal #WW, sp */ \ + val = read_memory_integer (pc + 2, 4); \ + val >>= 2; } + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ +{ register int regnum; \ + register int regmask; \ + register CORE_ADDR next_addr; \ + register CORE_ADDR pc; \ + register int insn; \ + register int offset; \ + bzero (&frame_saved_regs, sizeof frame_saved_regs); \ + if ((frame_info)->pc >= (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM*4 - 8*12 - 4 \ + && (frame_info)->pc <= (frame_info)->frame) \ + { next_addr = (frame_info)->frame; \ + pc = (frame_info)->frame - CALL_DUMMY_LENGTH - FP_REGNUM * 4 - 8*12 - 4; }\ + else \ + { pc = get_pc_function_start ((frame_info)->pc); \ + /* Verify we have a link a6 instruction next, \ + or a branch followed by a link a6 instruction; \ + if not we lose. If we win, find the address above the saved \ + regs using the amount of storage from the link instruction. */\ +retry: \ + insn = read_memory_integer (pc, 2); \ + if (insn == 044016) \ + next_addr = (frame_info)->frame - read_memory_integer (pc += 2, 4), pc+=4; \ + else if (insn == 047126) \ + next_addr = (frame_info)->frame - read_memory_integer (pc += 2, 2), pc+=2; \ + else if ((insn & 0177400) == 060000) /* bra insn */ \ + { offset = insn & 0377; \ + pc += 2; /* advance past bra */ \ + if (offset == 0) /* bra #word */ \ + offset = read_memory_integer (pc, 2), pc += 2; \ + else if (offset == 0377) /* bra #long */ \ + offset = read_memory_integer (pc, 4), pc += 4; \ + pc += offset; \ + goto retry; \ + } else goto lose; \ + /* If have an addal #-n, sp next, adjust next_addr. */ \ + if ((0177777 & read_memory_integer (pc, 2)) == 0157774) \ + next_addr += read_memory_integer (pc += 2, 4), pc += 4; \ + } \ + /* next should be a moveml to (sp) or -(sp) or a movl r,-(sp) */ \ + insn = read_memory_integer (pc, 2), pc += 2; \ + regmask = read_memory_integer (pc, 2); \ + if ((insn & 0177760) == 022700) /* movl rn, (sp) */ \ + (frame_saved_regs).regs[(insn&7) + ((insn&010)?8:0)] = next_addr; \ + else if ((insn & 0177760) == 024700) /* movl rn, -(sp) */ \ + (frame_saved_regs).regs[(insn&7) + ((insn&010)?8:0)] = next_addr-=4; \ + else if (insn == 0044327) /* moveml mask, (sp) */ \ + { pc += 2; \ + /* Regmask's low bit is for register 0, the first written */ \ + next_addr -= 4; \ + for (regnum = 0; regnum < 16; regnum++, regmask >>= 1) \ + if (regmask & 1) \ + (frame_saved_regs).regs[regnum] = (next_addr += 4); \ + } else if (insn == 0044347) /* moveml mask, -(sp) */ \ + { pc += 2; \ + /* Regmask's low bit is for register 15, the first pushed */ \ + for (regnum = 15; regnum >= 0; regnum--, regmask >>= 1) \ + if (regmask & 1) \ + (frame_saved_regs).regs[regnum] = (next_addr -= 4); } \ + /* clrw -(sp); movw ccr,-(sp) may follow. */ \ + if (read_memory_integer (pc, 2) == 041147 \ + && read_memory_integer (pc+2, 2) == 042347) \ + (frame_saved_regs).regs[PS_REGNUM] = (next_addr -= 4); \ + lose: ; \ + (frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame + 8; \ + (frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame; \ + (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 4; \ +} + +/* The only reason this is here is the tm-isi.h reference below. It + was moved back here from tm-68k.h. FIXME? */ + +#define SKIP_PROLOGUE(pc) \ +{ register int op = read_memory_integer (pc, 2); \ + if (op == 0047126) \ + pc += 4; /* Skip link #word */ \ + else if (op == 0044016) \ + pc += 6; /* Skip link #long */ \ + /* Not sure why branches are here. */ \ + /* From tm-isi.h, tm-altos.h */ \ + else if (op == 0060000) \ + pc += 4; /* Skip bra #word */ \ + else if (op == 00600377) \ + pc += 6; /* skip bra #long */ \ + else if ((op & 0177400) == 0060000) \ + pc += 2; /* skip bra #char */ \ +} + +#include "m68k/tm-68k.h" diff --git a/gdb/config/m68k/tm-news.h b/gdb/config/m68k/tm-news.h new file mode 100644 index 0000000..7f784f8 --- /dev/null +++ b/gdb/config/m68k/tm-news.h @@ -0,0 +1,85 @@ +/* Parameters for execution on a Sony/NEWS, for GDB, the GNU debugger. + Copyright 1987, 1989, 1991, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* See following cpu type determination macro to get the machine type. + +Here is an m-news.h file for gdb. It supports the 68881 registers. + by hikichi@srava.sra.junet + +* Support Sun assembly format instead of Motorola one. +* Ptrace for handling floating register has a bug(before NEWS OS version 2.2), +* After NEWS OS version 3.2, some of ptrace's bug is fixed. + But we cannot change the floating register(see adb(1) in OS 3.2) yet. */ + +#define HAVE_68881 + +/* Use to compute STACK_END_ADDR. */ +#define TARGET_UPAGES 2 +#define TARGET_NBPG 4096 + +/* Address of end of stack space. */ + +#define STACK_END_ADDR (0x80000000 - TARGET_UPAGES * TARGET_NBPG) + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +/* when it return the floating value, use the FP0 in NEWS. */ +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + { if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ + { \ + REGISTER_CONVERT_TO_VIRTUAL (FP0_REGNUM, \ + ®BUF[REGISTER_BYTE (FP0_REGNUM)], VALBUF); \ + } \ + else \ + bcopy (REGBUF, VALBUF, TYPE_LENGTH (TYPE)); } + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +/* when it return the floating value, use the FP0 in NEWS. */ +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + { if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ + { \ + char raw_buf[REGISTER_RAW_SIZE (FP0_REGNUM)]; \ + REGISTER_CONVERT_TO_RAW (FP0_REGNUM, VALBUF, raw_buf); \ + write_register_bytes (FP0_REGNUM, \ + raw_buf, REGISTER_RAW_SIZE (FP0_REGNUM)); \ + } \ + else \ + write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)); } + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. */ + +#define FRAME_NUM_ARGS(val, fi) \ +{ register CORE_ADDR pc = FRAME_SAVED_PC (fi); \ + register int insn = 0177777 & read_memory_integer (pc, 2); \ + val = 0; \ + if (insn == 0047757 || insn == 0157374) /* lea W(sp),sp or addaw #W,sp */ \ + val = read_memory_integer (pc + 2, 2); \ + else if ((insn & 0170777) == 0050217 /* addql #N, sp */ \ + || (insn & 0170777) == 0050117) /* addqw */ \ + { val = (insn >> 9) & 7; if (val == 0) val = 8; } \ + else if (insn == 0157774) /* addal #WW, sp */ \ + val = read_memory_integer (pc + 2, 4); \ + val >>= 2; } + +#include "m68k/tm-68k.h" diff --git a/gdb/config/m68k/tm-os68k.h b/gdb/config/m68k/tm-os68k.h new file mode 100644 index 0000000..bf50c5c --- /dev/null +++ b/gdb/config/m68k/tm-os68k.h @@ -0,0 +1,47 @@ +/* Parameters for execution on VxWorks 68k's, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc. + Contributed by Cygnus Support. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define GDBINIT_FILENAME ".os68gdbinit" + +#define DEFAULT_PROMPT "(os68k) " + +#include "m68k/tm-68k.h" + +/* We have more complex, useful breakpoints on the target. */ +#undef DECR_PC_AFTER_BREAK +#define DECR_PC_AFTER_BREAK 0 + +/* We are guaranteed to have a zero frame pointer at bottom of stack, too. */ +#undef FRAME_CHAIN +#undef FRAME_CHAIN_VALID + +/* Takes the current frame-struct pointer and returns the chain-pointer + to get to the calling frame. + + If our current frame pointer is zero, we're at the top; else read out + the saved FP from memory pointed to by the current FP. */ + +#define FRAME_CHAIN(thisframe) ((thisframe)->frame? read_memory_integer ((thisframe)->frame, 4): 0) + +/* If the chain pointer is zero (either because the saved value fetched + by FRAME_CHAIN was zero, or because the current FP was zero so FRAME_CHAIN + never fetched anything), we are at the top of the stack. */ + +#define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0) diff --git a/gdb/config/m68k/tm-st2000.h b/gdb/config/m68k/tm-st2000.h new file mode 100644 index 0000000..64467be --- /dev/null +++ b/gdb/config/m68k/tm-st2000.h @@ -0,0 +1,22 @@ +/* Parameters for a Tandem ST2000 phone switch. + Copyright (C) 1986, 1987, 1989, 199 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HAVE_68881 /* GDB won't compile without this */ + +#include "m68k/tm-68k.h" diff --git a/gdb/config/m68k/tm-sun2.h b/gdb/config/m68k/tm-sun2.h new file mode 100644 index 0000000..1d2f85d --- /dev/null +++ b/gdb/config/m68k/tm-sun2.h @@ -0,0 +1,27 @@ +/* Parameters for execution on a Sun, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Address of the end of stack space. We get this from the system + include files. */ + +#include <sys/types.h> +#include <machine/vmparam.h> +#define STACK_END_ADDR USRSTACK + +#include "m68k/tm-68k.h" diff --git a/gdb/config/m68k/tm-sun2os4.h b/gdb/config/m68k/tm-sun2os4.h new file mode 100644 index 0000000..c492c9c --- /dev/null +++ b/gdb/config/m68k/tm-sun2os4.h @@ -0,0 +1,20 @@ +/* Copyright (C) 1990, Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "m68k/tm-sun2.h" +#include "tm-sunos.h" diff --git a/gdb/config/m68k/tm-sun3.h b/gdb/config/m68k/tm-sun3.h new file mode 100644 index 0000000..1a698f3 --- /dev/null +++ b/gdb/config/m68k/tm-sun3.h @@ -0,0 +1,67 @@ +/* Parameters for execution on a Sun, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HAVE_68881 + +/* Let native-versus-cross support code know we are targeting sun3, + and modify registers to include sun3 fpustate register. */ + +#define GDB_TARGET_IS_SUN3 1 + +#include "m68k/tm-68k.h" + +/* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least + documented in a comment in <machine/setjmp.h>! */ + +#define JB_ELEMENT_SIZE 4 + +#define JB_ONSSTACK 0 +#define JB_SIGMASK 1 +#define JB_SP 2 +#define JB_PC 3 +#define JB_PSL 4 +#define JB_D2 5 +#define JB_D3 6 +#define JB_D4 7 +#define JB_D5 8 +#define JB_D6 9 +#define JB_D7 10 +#define JB_A2 11 +#define JB_A3 12 +#define JB_A4 13 +#define JB_A5 14 +#define JB_A6 15 + +/* Figure out where the longjmp will land. Slurp the args out of the stack. + We expect the first arg to be a pointer to the jmp_buf structure from which + we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) + +#undef SAVED_PC_AFTER_CALL + +#ifdef __STDC__ +struct frame_info; +#endif + +extern CORE_ADDR m68k_saved_pc_after_call PARAMS ((struct frame_info *)); + +#define SAVED_PC_AFTER_CALL(frame) \ + m68k_saved_pc_after_call(frame) diff --git a/gdb/config/m68k/tm-sun3os4.h b/gdb/config/m68k/tm-sun3os4.h new file mode 100644 index 0000000..cd7be01 --- /dev/null +++ b/gdb/config/m68k/tm-sun3os4.h @@ -0,0 +1,21 @@ +/* Target machine parameters for Sun-3 under SunOS 4.x, for GDB. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "m68k/tm-sun3.h" +#include "tm-sunos.h" diff --git a/gdb/config/m68k/tm-vx68.h b/gdb/config/m68k/tm-vx68.h new file mode 100644 index 0000000..8ce67a1 --- /dev/null +++ b/gdb/config/m68k/tm-vx68.h @@ -0,0 +1,78 @@ +/* Target machine description for VxWorks 68k's, for GDB, the GNU debugger. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + Contributed by Cygnus Support. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define GDBINIT_FILENAME ".vxgdbinit" + +#define DEFAULT_PROMPT "(vxgdb) " + +#define HAVE_68881 + +/* We have more complex, useful breakpoints on the target. */ +#define DECR_PC_AFTER_BREAK 0 + +#include "m68k/tm-68k.h" + +/* We are guaranteed to have a zero frame pointer at bottom of stack, too. */ +#undef FRAME_CHAIN +#undef FRAME_CHAIN_VALID + +/* Takes the current frame-struct pointer and returns the chain-pointer + to get to the calling frame. + + If our current frame pointer is zero, we're at the top; else read out + the saved FP from memory pointed to by the current FP. */ + +#define FRAME_CHAIN(thisframe) ((thisframe)->frame? read_memory_integer ((thisframe)->frame, 4): 0) + +/* If the chain pointer is zero (either because the saved value fetched + by FRAME_CHAIN was zero, or because the current FP was zero so FRAME_CHAIN + never fetched anything), we are at the top of the stack. */ + +#define FRAME_CHAIN_VALID(chain, thisframe) (chain != 0) + +/* FIXME, Longjmp information stolen from Sun-3 config. Dunno if right. */ +/* Offsets (in target ints) into jmp_buf. Not defined by Sun, but at least + documented in a comment in <machine/setjmp.h>! */ + +#define JB_ELEMENT_SIZE 4 + +#define JB_ONSSTACK 0 +#define JB_SIGMASK 1 +#define JB_SP 2 +#define JB_PC 3 +#define JB_PSL 4 +#define JB_D2 5 +#define JB_D3 6 +#define JB_D4 7 +#define JB_D5 8 +#define JB_D6 9 +#define JB_D7 10 +#define JB_A2 11 +#define JB_A3 12 +#define JB_A4 13 +#define JB_A5 14 +#define JB_A6 15 + +/* Figure out where the longjmp will land. Slurp the args out of the stack. + We expect the first arg to be a pointer to the jmp_buf structure from which + we extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) diff --git a/gdb/config/m68k/vxworks68.mt b/gdb/config/m68k/vxworks68.mt new file mode 100644 index 0000000..b37edbd --- /dev/null +++ b/gdb/config/m68k/vxworks68.mt @@ -0,0 +1,3 @@ +# Target: VxWorks running on a 68000 +TDEPFILES= exec.o m68k-pinsn.o m68k-tdep.o remote-vx.o xdr_ld.o xdr_ptrace.o xdr_rdb.o +TM_FILE= tm-vx68.h diff --git a/gdb/config/m68k/xm-3b1.h b/gdb/config/m68k/xm-3b1.h new file mode 100644 index 0000000..cfd71e0 --- /dev/null +++ b/gdb/config/m68k/xm-3b1.h @@ -0,0 +1,85 @@ +/* Parameters for execution on a 3b1. + Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +#define HAVE_TERMIO +#define USG + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#define KERNEL_U_ADDR 0x70000 + +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ addr = blockend + regno * 4; } + +/* Interface definitions for kernel debugger KDB. */ + +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ + 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + SIGILL } + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movel $ end, sp"); \ + asm ("clrl fp"); } + +/* Push the frame pointer register on the stack. */ +#define PUSH_FRAME_PTR \ + asm ("movel fp, -(sp)"); + +/* Copy the top-of-stack to the frame pointer register. */ +#define POP_FRAME_PTR \ + asm ("movl (sp), fp"); + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#define PUSH_REGISTERS \ +{ asm ("clrw -(sp)"); \ + asm ("pea 10(sp)"); \ + asm ("movem $ 0xfffe,-(sp)"); } + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#define POP_REGISTERS \ +{ asm ("subil $8,28(sp)"); \ + asm ("movem (sp),$ 0xffff"); \ + asm ("rte"); } + +#endif diff --git a/gdb/config/m68k/xm-altos.h b/gdb/config/m68k/xm-altos.h new file mode 100644 index 0000000..ea84016 --- /dev/null +++ b/gdb/config/m68k/xm-altos.h @@ -0,0 +1,202 @@ +/* Definitions to make GDB run on an Altos 3068 (m68k running SVR2) + Copyright (C) 1987,1989 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* The altos support would make a good base for a port to other USGR2 systems + (like the 3b1 and the Convergent miniframe). */ + +/* This is only needed in one file, but it's cleaner to put it here than + putting in more #ifdef's. */ +#include <sys/page.h> +#include <sys/net.h> + +#define USG + +#define HAVE_TERMIO + +#define CBREAK XTABS /* It takes all kinds... */ + +#ifndef R_OK +#define R_OK 4 +#define W_OK 2 +#define X_OK 1 +#define F_OK 0 +#endif + +/* Get sys/wait.h ie. from a Sun and edit it a little (mc68000 to m68k) */ +/* Why bother? */ +#if 0 +#define HAVE_WAIT_STRUCT +#endif + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#define KERNEL_U_ADDR 0x1fbf000 + +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ if (regno <= SP_REGNUM) \ + addr = blockend + regno * 4; \ + else if (regno == PS_REGNUM) \ + addr = blockend + regno * 4 + 4; \ + else if (regno == PC_REGNUM) \ + addr = blockend + regno * 4 + 2; \ +} + +#define REGISTER_ADDR(u_ar0, regno) \ + (((regno) < PS_REGNUM) \ + ? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)]) \ + : (((regno) == PS_REGNUM) \ + ? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS)) \ + : (&((struct exception_stack *) (u_ar0))->e_PC))) + +#define FP_REGISTER_ADDR(u, regno) \ + (((char *) \ + (((regno) < FPC_REGNUM) \ + ? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \ + : (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)]))) \ + - ((char *) (& u))) + + +#ifndef __GNUC__ +#undef USE_GAS +#define ALTOS_AS +#else +#define USE_GAS +#endif + +/* Motorola assembly format */ +#if !defined(USE_GAS) && !defined(ALTOS) +#define MOTOROLA +#endif + +/* Interface definitions for kernel debugger KDB. */ + +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ + 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + SIGILL } + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#ifdef MOTOROLA +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("move.l $ end, sp"); \ + asm ("clr.l fp"); } +#else +#ifdef ALTOS_AS +#define INIT_STACK(beg, end) \ +{ asm ("global end"); \ + asm ("mov.l &end,%sp"); \ + asm ("clr.l %fp"); } +#else +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movel $ end, sp"); \ + asm ("clrl fp"); } +#endif +#endif + +/* Push the frame pointer register on the stack. */ +#ifdef MOTOROLA +#define PUSH_FRAME_PTR \ + asm ("move.l fp, -(sp)"); +#else +#ifdef ALTOS_AS +#define PUSH_FRAME_PTR \ + asm ("mov.l %fp, -(%sp)"); +#else +#define PUSH_FRAME_PTR \ + asm ("movel fp, -(sp)"); +#endif +#endif + +/* Copy the top-of-stack to the frame pointer register. */ +#ifdef MOTOROLA +#define POP_FRAME_PTR \ + asm ("move.l (sp), fp"); +#else +#ifdef ALTOS_AS +#define POP_FRAME_PTR \ + asm ("mov.l (%sp), %fp"); +#else +#define POP_FRAME_PTR \ + asm ("movl (sp), fp"); +#endif +#endif + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#ifdef MOTOROLA +#define PUSH_REGISTERS \ +{ asm ("clr.w -(sp)"); \ + asm ("pea (10,sp)"); \ + asm ("movem $ 0xfffe,-(sp)"); } +#else +#ifdef ALTOS_AS +#define PUSH_REGISTERS \ +{ asm ("clr.w -(%sp)"); \ + asm ("pea (10,%sp)"); \ + asm ("movm.l &0xfffe,-(%sp)"); } +#else +#define PUSH_REGISTERS \ +{ asm ("clrw -(sp)"); \ + asm ("pea 10(sp)"); \ + asm ("movem $ 0xfffe,-(sp)"); } +#endif +#endif + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#ifdef MOTOROLA +#define POP_REGISTERS \ +{ asm ("subi.l $8,28(sp)"); \ + asm ("movem (sp),$ 0xffff"); \ + asm ("rte"); } +#else +#ifdef ALTOS_AS +#define POP_REGISTERS \ +{ asm ("sub.l &8,28(%sp)"); \ + asm ("movem (%sp),&0xffff"); \ + asm ("rte"); } +#else +#define POP_REGISTERS \ +{ asm ("subil $8,28(sp)"); \ + asm ("movem (sp),$ 0xffff"); \ + asm ("rte"); } +#endif +#endif diff --git a/gdb/config/m68k/xm-amix.h b/gdb/config/m68k/xm-amix.h new file mode 100644 index 0000000..ffd0192 --- /dev/null +++ b/gdb/config/m68k/xm-amix.h @@ -0,0 +1,45 @@ +/* Macro definitions for GDB on a Commodore Amiga running SVR4 (amix) + Copyright 1991, 1992 Free Software Foundation, Inc. + Written by Fred Fish at Cygnus Support (fnf@cygnus.com) + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Pick up most of what we need from the generic m68k host include file. */ + +#include "m68k/xm-m68k.h" + +/* Pick up more stuff from the generic SVR4 host include file. */ + +#include "xm-sysv4.h" + +/* The native AT&T compiler for m68k/SVR4 complains about using volatile + to indicate functions that never return. So shut it up by simply + defining away "NORETURN", which is normally defined to "volatile". */ + +#ifndef __GNUC__ +# define NORETURN /**/ +#endif + +/* If you expect to use the mmalloc package to obtain mapped symbol files, + for now you have to specify some parameters that determine how gdb places + the mappings in it's address space. See the comments in map_to_address() + for details. This is expected to only be a short term solution. Yes it + is a kludge. + FIXME: Make this more automatic. */ + +#define MMAP_BASE_ADDRESS 0xC2000000 /* First mapping here */ +#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */ diff --git a/gdb/config/m68k/xm-apollo68b.h b/gdb/config/m68k/xm-apollo68b.h new file mode 100644 index 0000000..9d1d39c --- /dev/null +++ b/gdb/config/m68k/xm-apollo68b.h @@ -0,0 +1,24 @@ +/* Macro defintions for an Apollo 68k in BSD mode + Copyright (C) 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +#define ALIGN_STACK_ON_STARTUP + +extern char *strdup(); diff --git a/gdb/config/m68k/xm-apollo68v.h b/gdb/config/m68k/xm-apollo68v.h new file mode 100644 index 0000000..6129523 --- /dev/null +++ b/gdb/config/m68k/xm-apollo68v.h @@ -0,0 +1,44 @@ +/* Macro defintions for an Apollo. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + * Changes for 80386 by Pace Willisson (pace@prep.ai.mit.edu) + * July 1988 + */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* I'm running gdb 3.4 under 386/ix 2.0.2, which is a derivative of AT&T's +Sys V/386 3.2. + +On some machines, gdb crashes when it's starting up while calling the +vendor's termio tgetent() routine. It always works when run under +itself (actually, under 3.2, it's not an infinitely recursive bug.) +After some poking around, it appears that depending on the environment +size, or whether you're running YP, or the phase of the moon or something, +the stack is not always long-aligned when main() is called, and tgetent() +takes strong offense at that. On some machines this bug never appears, but +on those where it does, it occurs quite reliably. */ +#define ALIGN_STACK_ON_STARTUP + +/* define USG if you are using sys5 /usr/include's */ +#define USG + +#define HAVE_TERMIO + diff --git a/gdb/config/m68k/xm-hp300bsd.h b/gdb/config/m68k/xm-hp300bsd.h new file mode 100644 index 0000000..54800fd --- /dev/null +++ b/gdb/config/m68k/xm-hp300bsd.h @@ -0,0 +1,103 @@ +/* Parameters for hosting on a Hewlett-Packard 9000/300, running bsd. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + * Configuration file for HP9000/300 series machine running + * University of Utah's 4.3bsd (or 4.4BSD) port. This is NOT for HP-UX. + * Problems to hpbsd-bugs@cs.utah.edu + */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* Avoid "INT_MIN redefined" preprocessor warnings -- by defining them here, + exactly the same as in the system <limits.h> file. */ +#define UINT_MAX 4294967295 /* max value for an unsigned int */ +#define INT_MAX 2147483647 /* max value for an int */ +#define INT_MIN (-2147483647-1) /* min value for an int */ +#define LONG_MAX 2147483647 /* max value for a long */ + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* Get kernel u area address at run-time using BSD style nlist (). */ +#define KERNEL_U_ADDR_BSD + +/* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */ +#define ONE_PROCESS_WRITETEXT + +/* psignal's definition in 4.4BSD conflicts with the one in defs.h. + But there *is* no psignal definition in 4.3BSD. So we avoid the defs.h + version here, and supply our own (matching) one. */ +#define PSIGNAL_IN_SIGNAL_H +void psignal PARAMS ((unsigned int, const char *)); + +extern char *strdup PARAMS ((const char *)); + +/* Interface definitions for kernel debugger KDB. */ + +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ + 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + SIGILL } + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movel #end, sp"); \ + asm ("movel #0,a6"); } + +/* Push the frame pointer register on the stack. */ +#define PUSH_FRAME_PTR \ + asm ("movel a6,sp@-"); + +/* Copy the top-of-stack to the frame pointer register. */ +#define POP_FRAME_PTR \ + asm ("movl sp@,a6"); + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#define PUSH_REGISTERS \ +{ asm ("clrw -(sp)"); \ + asm ("pea sp@(10)"); \ + asm ("movem #0xfffe,sp@-"); } + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#define POP_REGISTERS \ +{ asm ("subil #8,sp@(28)"); \ + asm ("movem sp@,#0xffff"); \ + asm ("rte"); } diff --git a/gdb/config/m68k/xm-hp300hpux.h b/gdb/config/m68k/xm-hp300hpux.h new file mode 100644 index 0000000..54979b5 --- /dev/null +++ b/gdb/config/m68k/xm-hp300hpux.h @@ -0,0 +1,173 @@ +/* Parameters for HP 9000 model 320 hosting, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* HP/UX is USG, but it does have <ptrace.h> */ +#include <sys/ptrace.h> + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* Define this to indicate problems with traps after continuing. */ +#define HP_OS_BUG + +/* Set flag to indicate whether HP's assembler is in use. */ +#ifdef __GNUC__ +#ifdef __HPUX_ASM__ +#define HPUX_ASM +#endif +#else /* not GNU C. */ +#define HPUX_ASM +#endif /* not GNU C. */ + +/* Define this for versions of hp-ux older than 6.0 */ +/* #define HPUX_VERSION_5 */ + +/* define USG if you are using sys5 /usr/include's */ +#undef USG /* In case it was defined in the Makefile for cplus-dem.c */ +#define USG + +/* The mem functions are in <string.h>. */ +#undef MEM_FNS_DECLARED +#define MEM_FNS_DECLARED 1 + +#define HAVE_TERMIO + +/* Get rid of any system-imposed stack limit if possible. */ +/* The hp9k320.h doesn't seem to have this feature. */ +/* #define SET_STACK_LIMIT_HUGE */ +/* So we'll just have to avoid big alloca's. */ +#define BROKEN_LARGE_ALLOCA + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#ifdef HPUX_VERSION_5 +#define KERNEL_U_ADDR 0x00979000 +#else /* Not HPUX version 5. */ +/* Use HPUX-style nlist() to get kernel_u_addr. */ +#define KERNEL_U_ADDR_HPUX +#endif /* Not HPUX version 5. */ + +#define REGISTER_ADDR(u_ar0, regno) \ + (unsigned int) \ + (((regno) < PS_REGNUM) \ + ? (&((struct exception_stack *) (u_ar0))->e_regs[(regno + R0)]) \ + : (((regno) == PS_REGNUM) \ + ? ((int *) (&((struct exception_stack *) (u_ar0))->e_PS)) \ + : (&((struct exception_stack *) (u_ar0))->e_PC))) + +#define FP_REGISTER_ADDR(u, regno) \ + (((char *) \ + (((regno) < FPC_REGNUM) \ + ? (&u.u_pcb.pcb_mc68881[FMC68881_R0 + (((regno) - FP0_REGNUM) * 3)]) \ + : (&u.u_pcb.pcb_mc68881[FMC68881_C + ((regno) - FPC_REGNUM)]))) \ + - ((char *) (& u))) + +/* Interface definitions for kernel debugger KDB. */ + +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ + 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + SIGILL } + +#ifndef HPUX_ASM + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movel $ end, sp"); \ + asm ("clrl fp"); } + +/* Push the frame pointer register on the stack. */ +#define PUSH_FRAME_PTR \ + asm ("movel fp, -(sp)"); + +/* Copy the top-of-stack to the frame pointer register. */ +#define POP_FRAME_PTR \ + asm ("movl (sp), fp"); + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#define PUSH_REGISTERS \ +{ asm ("clrw -(sp)"); \ + asm ("pea 10(sp)"); \ + asm ("movem $ 0xfffe,-(sp)"); } + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#define POP_REGISTERS \ +{ asm ("subil $8,28(sp)"); \ + asm ("movem (sp),$ 0xffff"); \ + asm ("rte"); } + +#else /* HPUX_ASM */ + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#define INIT_STACK(beg, end) \ +{ asm ("global end"); \ + asm ("mov.l &end,%sp"); \ + asm ("clr.l %a6"); } + +/* Push the frame pointer register on the stack. */ +#define PUSH_FRAME_PTR \ + asm ("mov.l %fp,-(%sp)"); + +/* Copy the top-of-stack to the frame pointer register. */ +#define POP_FRAME_PTR \ + asm ("mov.l (%sp),%fp"); + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#define PUSH_REGISTERS \ +{ asm ("clr.w -(%sp)"); \ + asm ("pea 10(%sp)"); \ + asm ("movm.l &0xfffe,-(%sp)"); } + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#define POP_REGISTERS \ +{ asm ("subi.l &8,28(%sp)"); \ + asm ("mov.m (%sp),&0xffff"); \ + asm ("rte"); } + +#endif /* HPUX_ASM */ diff --git a/gdb/config/m68k/xm-isi.h b/gdb/config/m68k/xm-isi.h new file mode 100644 index 0000000..1934ff5 --- /dev/null +++ b/gdb/config/m68k/xm-isi.h @@ -0,0 +1,92 @@ +/* Definitions to make GDB run on an ISI Optimum V (3.05) under 4.3bsd. + Copyright 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* This has not been tested on ISI's running BSD 4.2, but it will probably + work. */ + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +/*#define KERNEL_U_ADDR 0x10800000*/ +#define KERNEL_U_ADDR 0 + +/* expects blockend to be u.u_ar0 */ +extern int rloc[]; /* Defined in isi-dep.c */ +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ blockend &= UPAGES*NBPG - 1; \ + if (regno < 18) addr = (int)blockend + rloc[regno]*4; \ + else if (regno < 26) addr = (int) &((struct user *)0)->u_68881_regs \ + + (regno - 18) * 12; \ + else if (regno < 29) addr = (int) &((struct user *)0)->u_68881_regs \ + + 8 * 12 + (regno - 26) * 4; \ +} + +/* Interface definitions for kernel debugger KDB. */ + +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ + 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + SIGILL } + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movl $ end, sp"); \ + asm ("clrl fp"); } + +/* Push the frame pointer register on the stack. */ +#define PUSH_FRAME_PTR \ + asm ("movel fp, -(sp)"); + +/* Copy the top-of-stack to the frame pointer register. */ +#define POP_FRAME_PTR \ + asm ("movl (sp), fp"); + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#define PUSH_REGISTERS \ +{ asm ("clrw -(sp)"); \ + asm ("pea 10(sp)"); \ + asm ("movem $ 0xfffe,-(sp)"); } + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#define POP_REGISTERS \ +{ asm ("subil $8,28(sp)"); \ + asm ("movem (sp),$ 0xffff"); \ + asm ("rte"); } diff --git a/gdb/config/m68k/xm-m68k.h b/gdb/config/m68k/xm-m68k.h new file mode 100644 index 0000000..f417e97 --- /dev/null +++ b/gdb/config/m68k/xm-m68k.h @@ -0,0 +1,22 @@ +/* Macro definitions for running gdb on host machines with m68k cpu's. + Copyright (C) 1991, Free Software Foundation, Inc. + Written by Fred Fish at Cygnus Support (fnf@cygint) + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + diff --git a/gdb/config/m68k/xm-news.h b/gdb/config/m68k/xm-news.h new file mode 100644 index 0000000..147063d --- /dev/null +++ b/gdb/config/m68k/xm-news.h @@ -0,0 +1,140 @@ +/* Parameters for execution on a Sony/NEWS, for GDB, the GNU debugger. + Copyright 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +#define HAVE_WAIT_STRUCT + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* We can't use "isatty" or "fileno" on this machine. This isn't good, + but it will have to do. */ +#define ISATTY(FP) ((FP) == stdin || (FP) == stdout) + +/* THis is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#define KERNEL_U_ADDR UADDR + +/* The offsets in this macro are from /usr/include/machine/reg.h */ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ static char offsets[] = { \ + /*d0-d7:*/1,2,3,4,5,6,7,8, \ + /*a0-a6:*/9,10,11,12,13,14,15, /*sp:*/-4, /*ps:*/0, /*pc:*/-1, \ + /*fp0-fp7:*/19,22,25,28,31,34,37,40, /*fpc:*/16,17,18 }; \ + addr = blockend + 4 * offsets[regno]; \ +} + +/* NewsOS 3 apparently dies on large alloca's -- roland@ai.mit.edu. */ +#define BROKEN_LARGE_ALLOCA + + +/* Interface definitions for kernel debugger KDB. */ + +/* Use GNU assembler instead of standard assembler */ +#define USE_GAS + +/* Motorola assembly format */ +#ifndef USE_GAS +#define MOTOROLA +#endif + +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ + 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + SIGILL } + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#ifdef MOTOROLA +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("move.l $ end, sp"); \ + asm ("clr.l fp"); } +#else +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movel $ end, sp"); \ + asm ("clrl fp"); } +#endif + +/* Push the frame pointer register on the stack. */ +#ifdef MOTOROLA +#define PUSH_FRAME_PTR \ + asm ("move.l fp, -(sp)"); +#else +#define PUSH_FRAME_PTR \ + asm ("movel fp, -(sp)"); +#endif + +/* Copy the top-of-stack to the frame pointer register. */ +#ifdef MOTOROLA +#define POP_FRAME_PTR \ + asm ("move.l (sp), fp"); +#else +#define POP_FRAME_PTR \ + asm ("movl (sp), fp"); +#endif + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#ifdef MOTOROLA +#define PUSH_REGISTERS \ +{ asm ("clr.w -(sp)"); \ + asm ("pea (10,sp)"); \ + asm ("movem $ 0xfffe,-(sp)"); } +#else +#define PUSH_REGISTERS \ +{ asm ("clrw -(sp)"); \ + asm ("pea 10(sp)"); \ + asm ("movem $ 0xfffe,-(sp)"); } +#endif + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#ifdef MOTOROLA +#define POP_REGISTERS \ +{ asm ("subi.l $8,28(sp)"); \ + asm ("movem (sp),$ 0xffff"); \ + asm ("rte"); } +#else +#define POP_REGISTERS \ +{ asm ("subil $8,28(sp)"); \ + asm ("movem (sp),$ 0xffff"); \ + asm ("rte"); } +#endif diff --git a/gdb/config/m68k/xm-news1000.h b/gdb/config/m68k/xm-news1000.h new file mode 100644 index 0000000..40ac415 --- /dev/null +++ b/gdb/config/m68k/xm-news1000.h @@ -0,0 +1,26 @@ +/* Parameters for a Sony/NEWS series 1000 with News-OS version 3, + for GDB, the GNU debugger. + Copyright (C) 1990 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This is required by Sony include files like <sys/user.h> so we + get the right offset into the u area. Relying on the compiler + to define this only works for cc, not gcc. */ +#undef mc68030 +#define mc68030 +#include "m68k/xm-news.h" diff --git a/gdb/config/m68k/xm-sun2.h b/gdb/config/m68k/xm-sun2.h new file mode 100644 index 0000000..1d6d341 --- /dev/null +++ b/gdb/config/m68k/xm-sun2.h @@ -0,0 +1,82 @@ +/* Parameters for execution on a Sun, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#define KERNEL_U_ADDR 0x2800 + +/* Enable use of alternate code for Sun's format of core dump file. */ + +#define NEW_SUN_CORE + + +/* Interface definitions for kernel debugger KDB. */ + +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ + 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + SIGILL } + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movel $ end, sp"); \ + asm ("clrl fp"); } + +/* Push the frame pointer register on the stack. */ +#define PUSH_FRAME_PTR \ + asm ("movel fp, -(sp)"); + +/* Copy the top-of-stack to the frame pointer register. */ +#define POP_FRAME_PTR \ + asm ("movl (sp), fp"); + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#define PUSH_REGISTERS \ +{ asm ("clrw -(sp)"); \ + asm ("pea 10(sp)"); \ + asm ("movem $ 0xfffe,-(sp)"); } + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#define POP_REGISTERS \ +{ asm ("subil $8,28(sp)"); \ + asm ("movem (sp),$ 0xffff"); \ + asm ("rte"); } diff --git a/gdb/config/m68k/xm-sun3.h b/gdb/config/m68k/xm-sun3.h new file mode 100644 index 0000000..3970929 --- /dev/null +++ b/gdb/config/m68k/xm-sun3.h @@ -0,0 +1,85 @@ +/* Parameters for execution on a Sun, for GDB, the GNU debugger. + Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* Enable use of alternate code for Sun's format of core dump file. */ + +#define NEW_SUN_CORE + +/* We have to grab the regs since we store all regs at once. */ + +#define CHILD_PREPARE_TO_STORE() \ + read_register_bytes (0, (char *)NULL, REGISTER_BYTES) + +/* Interface definitions for kernel debugger KDB. */ + +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, 0, 0, 0, SIGTRAP, 0, 0, 0, \ + 0, SIGTRAP, 0, 0, 0, 0, 0, SIGKILL, \ + 0, 0, 0, 0, 0, 0, 0, 0, \ + SIGILL } + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movel #end, sp"); \ + asm ("movel #0,a6"); } + +/* Push the frame pointer register on the stack. */ +#define PUSH_FRAME_PTR \ + asm ("movel a6,sp@-"); + +/* Copy the top-of-stack to the frame pointer register. */ +#define POP_FRAME_PTR \ + asm ("movl sp@,a6"); + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#define PUSH_REGISTERS \ +{ asm ("clrw -(sp)"); \ + asm ("pea sp@(10)"); \ + asm ("movem #0xfffe,sp@-"); } + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#define POP_REGISTERS \ +{ asm ("subil #8,sp@(28)"); \ + asm ("movem sp@,#0xffff"); \ + asm ("rte"); } diff --git a/gdb/config/m68k/xm-sun3os4.h b/gdb/config/m68k/xm-sun3os4.h new file mode 100644 index 0000000..72af7c7 --- /dev/null +++ b/gdb/config/m68k/xm-sun3os4.h @@ -0,0 +1,48 @@ +/* Macro definitions for a sun 3 running os 4. + Copyright (C) 1989, Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "m68k/xm-sun3.h" +#define FPU + +/* Large alloca's fail because the attempt to increase the stack limit in + main() fails because shared libraries are allocated just below the initial + stack limit. The SunOS kernel will not allow the stack to grow into + the area occupied by the shared libraries. Sun knows about this bug + but has no obvious fix for it. */ +#define BROKEN_LARGE_ALLOCA + +/* SunOS 4.x has memory mapped files. */ + +#define HAVE_MMAP + +/* If you expect to use the mmalloc package to obtain mapped symbol files, + for now you have to specify some parameters that determine how gdb places + the mappings in it's address space. See the comments in map_to_address() + for details. This is expected to only be a short term solution. Yes it + is a kludge. + FIXME: Make this more automatic. */ + +#define MMAP_BASE_ADDRESS 0xE0000000 /* First mapping here */ +#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */ + +/* Prevent type conflicts between yacc malloc decls and defs.h */ +#define MALLOC_INCOMPATIBLE +extern char *malloc(); +extern char *realloc(); +extern void free(); diff --git a/gdb/config/m88k/delta88.mh b/gdb/config/m88k/delta88.mh new file mode 100644 index 0000000..c454cf0 --- /dev/null +++ b/gdb/config/m88k/delta88.mh @@ -0,0 +1,12 @@ +# Host: Motorola 88000 running DGUX +XDEPFILES= +XM_FILE= xm-delta88.h +NAT_FILE= nm-m88k.h +NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o m88k-nat.o +REGEX=regex.o +REGEX1=regex.o +ALLOCA=alloca.o +ALLOCA1=alloca.o +# Have to use /bin/nm because a bfd nm won't do the right thing +MUNCH_DEFINE=MUNCH_NM=/bin/nm +M_INSTALL=cp gdb.z $(ddestdir)/man/man1 diff --git a/gdb/config/m88k/delta88.mt b/gdb/config/m88k/delta88.mt new file mode 100644 index 0000000..65b608e --- /dev/null +++ b/gdb/config/m88k/delta88.mt @@ -0,0 +1,3 @@ +# Target: Motorola 88000 +TDEPFILES= m88k-tdep.o m88k-pinsn.o +TM_FILE= tm-delta88.h diff --git a/gdb/config/m88k/m88k.mh b/gdb/config/m88k/m88k.mh new file mode 100644 index 0000000..1c71040 --- /dev/null +++ b/gdb/config/m88k/m88k.mh @@ -0,0 +1,5 @@ +# Host: Motorola 88000 running DGUX +XDEPFILES= +XM_FILE= xm-m88k.h +NAT_FILE= nm-m88k.h +NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o m88k-nat.o diff --git a/gdb/config/m88k/m88k.mt b/gdb/config/m88k/m88k.mt new file mode 100644 index 0000000..c10c89c --- /dev/null +++ b/gdb/config/m88k/m88k.mt @@ -0,0 +1,3 @@ +# Target: Motorola 88000 Binary Compatability Standard +TDEPFILES= m88k-tdep.o m88k-pinsn.o +TM_FILE= tm-m88k.h diff --git a/gdb/config/m88k/nm-m88k.h b/gdb/config/m88k/nm-m88k.h new file mode 100644 index 0000000..105615c --- /dev/null +++ b/gdb/config/m88k/nm-m88k.h @@ -0,0 +1,24 @@ +/* Native support macros for m88k, for GDB. + Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992 + Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define FETCH_INFERIOR_REGISTERS + +#define REGISTER_U_ADDR(addr, blockend, regno) \ + (addr) = m88k_register_u_addr ((blockend),(regno)); diff --git a/gdb/config/m88k/tm-delta88.h b/gdb/config/m88k/tm-delta88.h new file mode 100644 index 0000000..513bbd3 --- /dev/null +++ b/gdb/config/m88k/tm-delta88.h @@ -0,0 +1,27 @@ +/* Target machine description for Motorola Delta 88 box, for GDB. + Copyright 1986, 1987, 1988, 1989, 1990, 1991 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "m88k/tm-m88k.h" + +/* BCS is a standard for binary compatibility. This machine uses it. */ +#if !defined (BCS) +#define BCS 1 +#endif + +#define DELTA88 diff --git a/gdb/config/m88k/tm-m88k.h b/gdb/config/m88k/tm-m88k.h new file mode 100644 index 0000000..cfcc5a2 --- /dev/null +++ b/gdb/config/m88k/tm-m88k.h @@ -0,0 +1,398 @@ +/* Target machine description for generic Motorola 88000, for GDB. + Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1993 + Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* g++ support is not yet included. */ + +#define TARGET_BYTE_ORDER BIG_ENDIAN + +/* We cache information about saved registers in the frame structure, + to save us from having to re-scan function prologues every time + a register in a non-current frame is accessed. */ + +#define EXTRA_FRAME_INFO \ + struct frame_saved_regs *fsr; \ + CORE_ADDR locals_pointer; \ + CORE_ADDR args_pointer; + +/* Zero the frame_saved_regs pointer when the frame is initialized, + so that FRAME_FIND_SAVED_REGS () will know to allocate and + initialize a frame_saved_regs struct the first time it is called. + Set the arg_pointer to -1, which is not valid; 0 and other values + indicate real, cached values. */ + +#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \ + init_extra_frame_info (fromleaf, fi) +extern void init_extra_frame_info (); + +#define IEEE_FLOAT + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(frompc) \ + skip_prologue (frompc) +extern CORE_ADDR skip_prologue (); + +/* The m88k kernel aligns all instructions on 4-byte boundaries. The + kernel also uses the least significant two bits for its own hocus + pocus. When gdb receives an address from the kernel, it needs to + preserve those right-most two bits, but gdb also needs to be careful + to realize that those two bits are not really a part of the address + of an instruction. Shrug. */ + +#define ADDR_BITS_REMOVE(addr) ((addr) & ~3) +#define ADDR_BITS_SET(addr) (((addr) | 0x00000002) - 4) + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) \ + (ADDR_BITS_REMOVE (read_register (SRP_REGNUM))) + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Sequence of bytes for breakpoint instruction. */ + +/* instruction 0xF000D1FF is 'tb0 0,r0,511' + If Bit bit 0 of r0 is clear (always true), + initiate exception processing (trap). + */ +#define BREAKPOINT {0xF0, 0x00, 0xD1, 0xFF} + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. */ +/* 'jmp r1' or 'jmp.n r1' is used to return from a subroutine. */ + +#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 2) == 0xF800) + +/* Return 1 if P points to an invalid floating point value. + LEN is the length in bytes. */ + +#define INVALID_FLOAT(p, len) IEEE_isNAN(p,len) + +/* Say how long (ordinary) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ + +#define NUM_REGS 38 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +#define REGISTER_NAMES {\ + "r0",\ + "r1",\ + "r2",\ + "r3",\ + "r4",\ + "r5",\ + "r6",\ + "r7",\ + "r8",\ + "r9",\ + "r10",\ + "r11",\ + "r12",\ + "r13",\ + "r14",\ + "r15",\ + "r16",\ + "r17",\ + "r18",\ + "r19",\ + "r20",\ + "r21",\ + "r22",\ + "r23",\ + "r24",\ + "r25",\ + "r26",\ + "r27",\ + "r28",\ + "r29",\ + "r30",\ + "r31",\ + "psr",\ + "fpsr",\ + "fpcr",\ + "sxip",\ + "snip",\ + "sfip",\ + "vbr",\ + "dmt0",\ + "dmd0",\ + "dma0",\ + "dmt1",\ + "dmd1",\ + "dma1",\ + "dmt2",\ + "dmd2",\ + "dma2",\ + "sr0",\ + "sr1",\ + "sr2",\ + "sr3",\ + "fpecr",\ + "fphs1",\ + "fpls1",\ + "fphs2",\ + "fpls2",\ + "fppt",\ + "fprh",\ + "fprl",\ + "fpit",\ + "fpsr",\ + "fpcr",\ + } + + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define SRP_REGNUM 1 /* Contains subroutine return pointer */ +#define RV_REGNUM 2 /* Contains simple return values */ +#define SRA_REGNUM 12 /* Contains address of struct return values */ +#define FP_REGNUM 31 /* Reg fetched to locate frame when pgm stops */ +#define SP_REGNUM 31 /* Contains address of top of stack */ +#define SXIP_REGNUM 35 /* Contains Shadow Execute Instruction Pointer */ +#define SNIP_REGNUM 36 /* Contains Shadow Next Instruction Pointer */ +#define PC_REGNUM SXIP_REGNUM /* Program Counter */ +#define NPC_REGNUM SNIP_REGNUM /* Next Program Counter */ +#define PSR_REGNUM 32 /* Processor Status Register */ +#define FPSR_REGNUM 33 /* Floating Point Status Register */ +#define FPCR_REGNUM 34 /* Floating Point Control Register */ +#define SFIP_REGNUM 37 /* Contains Shadow Fetched Intruction pointer */ +#define NNPC_REGNUM SFIP_REGNUM /* Next Next Program Counter */ + +/* PSR status bit definitions. */ + +#define PSR_MODE 0x80000000 +#define PSR_BYTE_ORDER 0x40000000 +#define PSR_SERIAL_MODE 0x20000000 +#define PSR_CARRY 0x10000000 +#define PSR_SFU_DISABLE 0x000003f0 +#define PSR_SFU1_DISABLE 0x00000008 +#define PSR_MXM 0x00000004 +#define PSR_IND 0x00000002 +#define PSR_SFRZ 0x00000001 + +/* BCS requires that the SXIP_REGNUM (or PC_REGNUM) contain the address + of the next instr to be executed when a breakpoint occurs. Because + the kernel gets the next instr (SNIP_REGNUM), the instr in SNIP needs + to be put back into SFIP, and the instr in SXIP should be shifted + to SNIP */ + +/* Are you sitting down? It turns out that the 88K BCS (binary compatibility + standard) folks originally felt that the debugger should be responsible + for backing up the IPs, not the kernel (as is usually done). Well, they + have reversed their decision, and in future releases our kernel will be + handling the backing up of the IPs. So, eventually, we won't need to + do the SHIFT_INST_REGS stuff. But, for now, since there are 88K systems out + there that do need the debugger to do the IP shifting, and since there + will be systems where the kernel does the shifting, the code is a little + more complex than perhaps it needs to be (we still go inside SHIFT_INST_REGS, + and if the shifting hasn't occurred then gdb goes ahead and shifts). */ + +#define SHIFT_INST_REGS + +/* Number of bytes of storage in the actual machine representation + for register N. */ + +#define REGISTER_RAW_SIZE(N) 4 + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ + +#define REGISTER_BYTES (NUM_REGS * REGISTER_RAW_SIZE(0)) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N)*REGISTER_RAW_SIZE(0)) + +/* Number of bytes of storage in the program's representation + for register N. */ + +#define REGISTER_VIRTUAL_SIZE(N) (REGISTER_RAW_SIZE(N)) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE (REGISTER_RAW_SIZE(0)) + +/* Largest value REGISTER_VIRTUAL_SIZE can have. +/* Are FPS1, FPS2, FPR "virtual" regisers? */ + +#define MAX_REGISTER_VIRTUAL_SIZE (REGISTER_RAW_SIZE(0)) + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) (0) + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ + {bcopy ((FROM), (TO), REGISTER_RAW_SIZE (REGNUM));} + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ + {bcopy ((FROM), (TO), REGISTER_RAW_SIZE (REGNUM));} + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) (builtin_type_int) + +/* The 88k call/return conventions call for "small" values to be returned + into consecutive registers starting from r2. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy (&(((char *)REGBUF)[REGISTER_BYTE(RV_REGNUM)]), (VALBUF), TYPE_LENGTH (TYPE)) + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (2*REGISTER_RAW_SIZE(0), (VALBUF), TYPE_LENGTH (TYPE)) + +/* In COFF, if PCC says a parameter is a short or a char, do not + change it to int (it seems the convention is to change it). */ + +#define BELIEVE_PCC_PROMOTION 1 + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. + + However, if FRAME_CHAIN_VALID returns zero, + it means the given frame is the outermost one and has no caller. */ + +extern CORE_ADDR frame_chain (); +extern int frame_chain_valid (); +extern int frameless_function_invocation (); + +#define FRAME_CHAIN(thisframe) \ + frame_chain (thisframe) + +#define FRAME_CHAIN_VALID(chain, thisframe) \ + frame_chain_valid (chain, thisframe) + +#define FRAMELESS_FUNCTION_INVOCATION(frame, fromleaf) \ + fromleaf = frameless_function_invocation (frame) + +/* Define other aspects of the stack frame. */ + +#define FRAME_SAVED_PC(FRAME) \ + frame_saved_pc (FRAME) +extern CORE_ADDR frame_saved_pc (); + +#define FRAME_ARGS_ADDRESS(fi) \ + frame_args_address (fi) +extern CORE_ADDR frame_args_address (); + +#define FRAME_LOCALS_ADDRESS(fi) \ + frame_locals_address (fi) +extern CORE_ADDR frame_locals_address (); + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. */ + +#define FRAME_NUM_ARGS(numargs, fi) ((numargs) = -1) + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 0 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +/* On the 88k, parameter registers get stored into the so called "homing" + area. This *always* happens when you compiled with GCC and use -g. + Also, (with GCC and -g) the saving of the parameter register values + always happens right within the function prologue code, so these register + values can generally be relied upon to be already copied into their + respective homing slots by the time you will normally try to look at + them (we hope). + + Note that homing area stack slots are always at *positive* offsets from + the frame pointer. Thus, the homing area stack slots for the parameter + registers (passed values) for a given function are actually part of the + frame area of the caller. This is unusual, but it should not present + any special problems for GDB. + + Note also that on the 88k, we are only interested in finding the + registers that might have been saved in memory. This is a subset of + the whole set of registers because the standard calling sequence allows + the called routine to clobber many registers. + + We could manage to locate values for all of the so called "preserved" + registers (some of which may get saved within any particular frame) but + that would require decoding all of the tdesc information. Tht would be + nice information for GDB to have, but it is not strictly manditory if we + can live without the ability to look at values within (or backup to) + previous frames. +*/ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ + frame_find_saved_regs (frame_info, &frame_saved_regs) + + +/* There is not currently a functioning way to call functions in the + inferior. */ + +/* But if there was this is where we'd put the call dummy. */ +/* #define CALL_DUMMY_LOCATION AFTER_TEXT_END */ + +/* When popping a frame on the 88k (say when doing a return command), the + calling function only expects to have the "preserved" registers restored. + Thus, those are the only ones that we even try to restore here. */ + +#define POP_FRAME pop_frame () +extern void pop_frame (); diff --git a/gdb/config/m88k/xm-delta88.h b/gdb/config/m88k/xm-delta88.h new file mode 100644 index 0000000..eb8e20b --- /dev/null +++ b/gdb/config/m88k/xm-delta88.h @@ -0,0 +1,44 @@ +/* Host machine description for Motorola Delta 88 system, for GDB. + Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992 + Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +#if !defined (USG) +#define USG 1 +#endif + +#include <sys/param.h> +#include <sys/time.h> + +#define HAVE_TERMIO + +/*#define USIZE 2048*/ +#define NBPG NBPC +#define UPAGES USIZE + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +/* Since registers r0 through r31 are stored directly in the struct ptrace_user, + (for m88k BCS) + the ptrace_user offsets are sufficient and KERNEL_U_ADDRESS can be 0 */ + +#define KERNEL_U_ADDR 0 + diff --git a/gdb/config/m88k/xm-m88k.h b/gdb/config/m88k/xm-m88k.h new file mode 100644 index 0000000..f58f758 --- /dev/null +++ b/gdb/config/m88k/xm-m88k.h @@ -0,0 +1,62 @@ +/* Host-machine dependent parameters for Motorola 88000, for GDB. + Copyright 1986, 1987, 1988, 1989, 1990, 1991 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +#if !defined (USG) +#define USG 1 +#endif + +#include <sys/param.h> + +#ifdef __GNUC__ +#define memcpy __builtin_memcpy +/* gcc doesn't have this, at least not gcc 1.92. */ +/* #define memset __builtin_memset */ +#define strcmp __builtin_strcmp +#endif + +#ifdef DGUX +#define x_foff _x_x._x_offset +#define x_fname _x_name +#define USER ptrace_user +#define _BSD_WAIT_FLAVOR +#endif + +#define HAVE_TERMIO + +#ifndef USIZE +#define USIZE 2048 +#endif +#define NBPG NBPC +#define UPAGES USIZE + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +/* Since registers r0 through r31 are stored directly in the struct ptrace_user, + (for m88k BCS) + the ptrace_user offsets are sufficient and KERNEL_U_ADDRESS can be 0 */ + +#define KERNEL_U_ADDR 0 + diff --git a/gdb/config/mips/bigmips.mh b/gdb/config/mips/bigmips.mh new file mode 100644 index 0000000..9e4704b --- /dev/null +++ b/gdb/config/mips/bigmips.mh @@ -0,0 +1,3 @@ +# Host: Big-endian MIPS machine such as Sony News +XDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o +XM_FILE= xm-bigmips.h diff --git a/gdb/config/mips/bigmips.mt b/gdb/config/mips/bigmips.mt new file mode 100644 index 0000000..a127042 --- /dev/null +++ b/gdb/config/mips/bigmips.mt @@ -0,0 +1,3 @@ +# Target: Big-endian MIPS machine such as Sony News +TDEPFILES= mips-pinsn.o mips-tdep.o exec.o +TM_FILE= tm-bigmips.h diff --git a/gdb/config/mips/decstation.mh b/gdb/config/mips/decstation.mh new file mode 100644 index 0000000..27cf5fd --- /dev/null +++ b/gdb/config/mips/decstation.mh @@ -0,0 +1,11 @@ +# Host: Little-endian MIPS machine such as DECstation. +XDEPFILES= +XM_FILE= xm-mips.h +NAT_FILE= nm-mips.h +NATDEPFILES= infptrace.o inftarg.o corelow.o mips-nat.o fork-child.o + +# We can't use MMALLOC because the DECstation RPC library can't cope +# with a malloc(0) that returns 0. Besides, it's useless on a machine +# without a real mmap(). +MMALLOC_LIB = +MMALLOC_DISABLE = -DNO_MMALLOC diff --git a/gdb/config/mips/decstation.mt b/gdb/config/mips/decstation.mt new file mode 100644 index 0000000..96896c0 --- /dev/null +++ b/gdb/config/mips/decstation.mt @@ -0,0 +1,3 @@ +# Target: Little-endian MIPS machine such as DECstation. +TDEPFILES= mips-pinsn.o mips-tdep.o exec.o +TM_FILE= tm-mips.h diff --git a/gdb/config/mips/idt.mt b/gdb/config/mips/idt.mt new file mode 100644 index 0000000..d7fcecb --- /dev/null +++ b/gdb/config/mips/idt.mt @@ -0,0 +1,3 @@ +# Target: Big-endian IDT board. +TDEPFILES= mips-pinsn.o mips-tdep.o exec.o remote-mips.o +TM_FILE= tm-bigmips.h diff --git a/gdb/config/mips/irix3.mh b/gdb/config/mips/irix3.mh new file mode 100644 index 0000000..0d93c2e --- /dev/null +++ b/gdb/config/mips/irix3.mh @@ -0,0 +1,9 @@ +# Host: SGI Iris running irix 3.x +XDEPFILES= +XM_FILE= xm-irix3.h +NAT_FILE= nm-irix3.h +NATDEPFILES= fork-child.o corelow.o infptrace.o inftarg.o mips-nat.o +ALLOCA=alloca.o +ALLOCA1=alloca.o +MUNCH_DEFINE=-B +XM_CLIBS=-lbsd diff --git a/gdb/config/mips/irix3.mt b/gdb/config/mips/irix3.mt new file mode 100644 index 0000000..2f0097b --- /dev/null +++ b/gdb/config/mips/irix3.mt @@ -0,0 +1,3 @@ +# Target: SGI mips +TDEPFILES= mips-pinsn.o mips-tdep.o exec.o +TM_FILE= tm-irix3.h diff --git a/gdb/config/mips/irix4.mh b/gdb/config/mips/irix4.mh new file mode 100644 index 0000000..854fa69 --- /dev/null +++ b/gdb/config/mips/irix4.mh @@ -0,0 +1,12 @@ +# Host: SGI Iris running irix 4.x +XDEPFILES= +XM_FILE= xm-irix4.h +NAT_FILE= nm-irix4.h +NATDEPFILES= fork-child.o procfs.o irix4-nat.o +ALLOCA=alloca.o +ALLOCA1=alloca.o +MUNCH_DEFINE=-B +XM_CLIBS=-lbsd -lsun +INSTALL = cp +# use cc in K&R mode, bump up some static compiler tables. +CC = cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh1100 diff --git a/gdb/config/mips/littlemips.mh b/gdb/config/mips/littlemips.mh new file mode 100644 index 0000000..80c2678 --- /dev/null +++ b/gdb/config/mips/littlemips.mh @@ -0,0 +1,3 @@ +# Host: Little-endian MIPS machine such as DECstation. +XDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o +XM_FILE= xm-mips.h diff --git a/gdb/config/mips/littlemips.mt b/gdb/config/mips/littlemips.mt new file mode 100644 index 0000000..96896c0 --- /dev/null +++ b/gdb/config/mips/littlemips.mt @@ -0,0 +1,3 @@ +# Target: Little-endian MIPS machine such as DECstation. +TDEPFILES= mips-pinsn.o mips-tdep.o exec.o +TM_FILE= tm-mips.h diff --git a/gdb/config/mips/nm-irix3.h b/gdb/config/mips/nm-irix3.h new file mode 100644 index 0000000..0b77e5f --- /dev/null +++ b/gdb/config/mips/nm-irix3.h @@ -0,0 +1,31 @@ +/* Definitions for SGI irix3 native support. + Copyright 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Don't need special routines for Irix v3 -- we can use infptrace.c */ +#undef FETCH_INFERIOR_REGISTERS + +#define U_REGS_OFFSET 0 + +/* Figure out where the longjmp will land. We expect that we have just entered + longjmp and haven't yet setup the stack frame, so the args are still in the + argument regs. a0 (CALL_ARG0) points at the jmp_buf structure from which we + extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) diff --git a/gdb/config/mips/nm-irix4.h b/gdb/config/mips/nm-irix4.h new file mode 100644 index 0000000..340dade --- /dev/null +++ b/gdb/config/mips/nm-irix4.h @@ -0,0 +1,31 @@ +/* Definitions for native support of irix4. + +Copyright (C) 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* + * Let's use /debug instead of all this dangerous mucking about + * with ptrace(), which seems *extremely* fragile, anyway. + */ +#define USE_PROC_FS +#define PROC_NAME_FMT "/debug/%d" + +/* Don't need special routines for the SGI -- we can use infptrace.c */ +#undef FETCH_INFERIOR_REGISTERS + +#define U_REGS_OFFSET 0 diff --git a/gdb/config/mips/nm-mips.h b/gdb/config/mips/nm-mips.h new file mode 100644 index 0000000..cba5d8d --- /dev/null +++ b/gdb/config/mips/nm-mips.h @@ -0,0 +1,31 @@ +/* Definitions for GDB on mips. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin + and by Alessandro Forin(af@cs.cmu.edu) at CMU + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ +#define FETCH_INFERIOR_REGISTERS + +/* Figure out where the longjmp will land. We expect that we have just entered + longjmp and haven't yet setup the stack frame, so the args are still in the + argument regs. a0 (CALL_ARG0) points at the jmp_buf structure from which we + extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) diff --git a/gdb/config/mips/tm-bigmips.h b/gdb/config/mips/tm-bigmips.h new file mode 100644 index 0000000..45ee264 --- /dev/null +++ b/gdb/config/mips/tm-bigmips.h @@ -0,0 +1,21 @@ +/* Copyright (C) 1990 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define TARGET_BYTE_ORDER BIG_ENDIAN + +#include "mips/tm-mips.h" diff --git a/gdb/config/mips/tm-irix3.h b/gdb/config/mips/tm-irix3.h new file mode 100644 index 0000000..a227aa4 --- /dev/null +++ b/gdb/config/mips/tm-irix3.h @@ -0,0 +1,317 @@ +/* Target machine description for SGI Iris under Irix, for GDB. + Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "coff/sym.h" /* Needed for PDR below. */ +#include "coff/symconst.h" + +#define TARGET_BYTE_ORDER BIG_ENDIAN + +/* Floating point is IEEE compliant */ +#define IEEE_FLOAT + +/* SGI's assembler doesn't grok dollar signs in identifiers. + So we use dots instead. This item must be coordinated with G++. */ +#undef CPLUS_MARKER +#define CPLUS_MARKER '.' + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(pc) pc = mips_skip_prologue(pc) + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) read_register(RA_REGNUM) + +/* Are we currently handling a signal */ + +#define IN_SIGTRAMP(pc, name) in_sigtramp(pc, name) + +/* Address of end of stack space. */ + +#define STACK_END_ADDR (0x7ffff000) + +/* Stack grows downward. */ + +#define INNER_THAN < + +#define BREAKPOINT {0, 0x5, 0, 0xd} + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. "j ra" on mips. */ + +#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 4) == 0x3e00008) + +/* Return 1 if P points to an invalid floating point value. */ + +#define INVALID_FLOAT(p,l) isa_NAN(p,l) + +/* Say how long (all) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ + +#define NUM_REGS 71 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +#define REGISTER_NAMES \ + { "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", \ + "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", \ + "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \ + "t8", "t9", "k0", "k1", "gp", "sp", "fp", "ra", \ + "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ + "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ + "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",\ + "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",\ + "pc", "cause", "bad", "hi", "lo", "fsr", "fir" \ + } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define ZERO_REGNUM 0 /* read-only register, always 0 */ +#define A0_REGNUM 4 /* Loc of first arg during a subr call */ +#define SP_REGNUM 29 /* Contains address of top of stack */ +#define FP_REGNUM 30 /* Pseudo register that contains true address of executing stack frame */ +#define RA_REGNUM 31 /* Contains return address value */ +#define FP0_REGNUM 32 /* Floating point register 0 (single float) */ +#define PC_REGNUM 64 /* Contains program counter */ +#define PS_REGNUM 65 /* Contains processor status */ +#define HI_REGNUM 67 /* Multiple/divide temp */ +#define LO_REGNUM 68 /* ... */ +#define FCRCS_REGNUM 69 /* FP control/status */ +#define FCRIR_REGNUM 70 /* FP implementation/revision */ + +/* Define DO_REGISTERS_INFO() to do machine-specific formatting + of register dumps. */ + +#define DO_REGISTERS_INFO(_regnum, fp) mips_do_registers_info(_regnum, fp) + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +#define REGISTER_BYTES (NUM_REGS*4) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N) * 4) + +/* Number of bytes of storage in the actual machine representation + for register N. On mips, all regs are 4 bytes. */ + +#define REGISTER_RAW_SIZE(N) 4 + +/* Number of bytes of storage in the program's representation + for register N. On mips, all regs are 4 bytes. */ + +#define REGISTER_VIRTUAL_SIZE(N) 4 + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 4 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 4 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) 0 + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), 4); + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), 4); + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) builtin_type_int +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +#define STORE_STRUCT_RETURN(addr, sp) \ + { sp = push_word(sp, addr);} + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. XXX floats */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy (REGBUF+REGISTER_BYTE (TYPE_CODE (TYPE) == TYPE_CODE_FLT ? FP0_REGNUM : 2), VALBUF, TYPE_LENGTH (TYPE)) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (REGISTER_BYTE (TYPE_CODE (TYPE) == TYPE_CODE_FLT ? FP0_REGNUM : 2), VALBUF, TYPE_LENGTH (TYPE)) + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF+16)) + +/* Structures are returned by ref in extra arg0 */ +#define USE_STRUCT_CONVENTION(gcc_p, type) 1 + + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. */ + +#define FRAME_CHAIN(thisframe) (FRAME_ADDR)mips_frame_chain(thisframe) + +/* Define other aspects of the stack frame. */ + + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +/* We handle this differently for mips, and maybe we should not */ + +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) {(FRAMELESS) = 0;} + +/* Saved Pc. */ + +#define FRAME_SAVED_PC(FRAME) (mips_frame_saved_pc(FRAME)) + +#define FRAME_ARGS_ADDRESS(fi) (fi)->frame + +#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. */ + +#define FRAME_NUM_ARGS(num, fi) (num = mips_frame_num_args(fi)) + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 0 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) ( \ + (frame_saved_regs) = *(frame_info)->saved_regs, \ + (frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame) + + +/* Things needed for making the inferior call functions. */ + +/* Stack has strict alignment. However, use PUSH_ARGUMENTS + to take care of it. */ +/*#define STACK_ALIGN(addr) (((addr)+3)&~3)*/ + +#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \ + sp = mips_push_arguments(nargs, args, sp, struct_return, struct_addr) + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME mips_push_dummy_frame() + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME mips_pop_frame() + +#define MK_OP(op,rs,rt,offset) (((op)<<26)|((rs)<<21)|((rt)<<16)|(offset)) +#define CALL_DUMMY_SIZE (16*4) +#define Dest_Reg 2 +#define CALL_DUMMY {\ + MK_OP(0,RA_REGNUM,0,8), /* jr $ra # Fake ABOUT_TO_RETURN ...*/\ + 0, /* nop # ... to stop raw backtrace*/\ + 0x27bd0000, /* addu sp,?0 # Pseudo prologue */\ +/* Start here: */\ + MK_OP(061,SP_REGNUM,12,0), /* lwc1 $f12,0(sp) # Reload first 4 args*/\ + MK_OP(061,SP_REGNUM,13,4), /* lwc1 $f13,4(sp) */\ + MK_OP(061,SP_REGNUM,14,8), /* lwc1 $f14,8(sp) */\ + MK_OP(061,SP_REGNUM,15,12), /* lwc1 $f15,12(sp) */\ + MK_OP(043,SP_REGNUM,4,0), /* lw $r4,0(sp) # Re-load FP regs*/\ + MK_OP(043,SP_REGNUM,5,4), /* lw $r5,4(sp) */\ + MK_OP(043,SP_REGNUM,6,8), /* lw $r6,8(sp) */\ + MK_OP(043,SP_REGNUM,7,12), /* lw $r7,12(sp) */\ + (017<<26)| (Dest_Reg << 16), /* lui $r31,<target upper 16 bits>*/\ + MK_OP(13,Dest_Reg,Dest_Reg,0), /* ori $r31,$r31,<lower 16 bits>*/ \ + (Dest_Reg<<21) | (31<<11) | 9, /* jalr $r31 */\ + MK_OP(043,SP_REGNUM,7,12), /* lw $r7,12(sp) */\ + 0x5000d, /* bpt */\ +} + +#define CALL_DUMMY_START_OFFSET 12 + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. */ + +#define FIX_CALL_DUMMY(dummyname, start_sp, fun, nargs, args, rettype, gcc_p)\ + (((int*)dummyname)[11] |= (((unsigned long)(fun)) >> 16), \ + ((int*)dummyname)[12] |= (unsigned short)(fun)) + +/* Specific information about a procedure. + This overlays the MIPS's PDR records, + mipsread.c (ab)uses this to save memory */ + +typedef struct mips_extra_func_info { + long numargs; /* number of args to procedure (was iopt) */ + PDR pdr; /* Procedure descriptor record */ +} *mips_extra_func_info_t; + +#define EXTRA_FRAME_INFO \ + mips_extra_func_info_t proc_desc; \ + int num_args;\ + struct frame_saved_regs *saved_regs; + +#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci) + +/* Special symbol found in blocks associated with routines. We can hang + mips_extra_func_info_t's off of this. */ + +#define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__" diff --git a/gdb/config/mips/tm-mips.h b/gdb/config/mips/tm-mips.h new file mode 100644 index 0000000..8dbd951 --- /dev/null +++ b/gdb/config/mips/tm-mips.h @@ -0,0 +1,380 @@ +/* Definitions to make GDB run on a mips box under 4.3bsd. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + Contributed by Per Bothner (bothner@cs.wisc.edu) at U.Wisconsin + and by Alessandro Forin (af@cs.cmu.edu) at CMU.. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "coff/sym.h" /* Needed for PDR below. */ +#include "coff/symconst.h" + +#if !defined (TARGET_BYTE_ORDER) +#define TARGET_BYTE_ORDER LITTLE_ENDIAN +#endif + +/* Floating point is IEEE compliant */ +#define IEEE_FLOAT + +/* Some MIPS boards are provided both with and without a floating + point coprocessor; we provide a user settable variable to tell gdb + whether there is one or not. */ +extern int mips_fpu; + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(pc) pc = mips_skip_prologue(pc) + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) read_register(RA_REGNUM) + +/* Are we currently handling a signal */ + +#define IN_SIGTRAMP(pc, name) in_sigtramp(pc, name) + +/* Address of end of stack space. */ + +#define STACK_END_ADDR (0x7ffff000) + +/* Stack grows downward. */ + +#define INNER_THAN < + +#define BIG_ENDIAN 4321 +#if TARGET_BYTE_ORDER == BIG_ENDIAN +#define BREAKPOINT {0, 0x5, 0, 0xd} +#else +#define BREAKPOINT {0xd, 0, 0x5, 0} +#endif + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. "j ra" on mips. */ + +#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 4) == 0x3e00008) + +/* Return 1 if P points to an invalid floating point value. */ + +#define INVALID_FLOAT(p,l) isa_NAN(p,l) + +/* Say how long (all) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ + +#define NUM_REGS 80 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +#define REGISTER_NAMES \ + { "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", \ + "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", \ + "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \ + "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", \ + "sr", "lo", "hi", "bad", "cause","pc", \ + "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ + "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ + "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",\ + "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",\ + "fsr", "fir", "fp", "inx", "rand", "tlblo","ctxt", "tlbhi",\ + "epc", "prid"\ + } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define ZERO_REGNUM 0 /* read-only register, always 0 */ +#define A0_REGNUM 4 /* Loc of first arg during a subr call */ +#define SP_REGNUM 29 /* Contains address of top of stack */ +#define RA_REGNUM 31 /* Contains return address value */ +#define PS_REGNUM 32 /* Contains processor status */ +#define HI_REGNUM 34 /* Multiple/divide temp */ +#define LO_REGNUM 33 /* ... */ +#define BADVADDR_REGNUM 35 /* bad vaddr for addressing exception */ +#define CAUSE_REGNUM 36 /* describes last exception */ +#define PC_REGNUM 37 /* Contains program counter */ +#define FP0_REGNUM 38 /* Floating point register 0 (single float) */ +#define FCRCS_REGNUM 70 /* FP control/status */ +#define FCRIR_REGNUM 71 /* FP implementation/revision */ +#define FP_REGNUM 72 /* Pseudo register that contains true address of executing stack frame */ +#define FIRST_EMBED_REGNUM 73 /* First supervisor register for embedded use */ +#define LAST_EMBED_REGNUM 79 /* Last one */ + +/* Define DO_REGISTERS_INFO() to do machine-specific formatting + of register dumps. */ + +#define DO_REGISTERS_INFO(_regnum, fp) mips_do_registers_info(_regnum, fp) + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +#define REGISTER_BYTES (NUM_REGS*4) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N) * 4) + +/* Number of bytes of storage in the actual machine representation + for register N. On mips, all regs are 4 bytes. */ + +#define REGISTER_RAW_SIZE(N) 4 + +/* Number of bytes of storage in the program's representation + for register N. On mips, all regs are 4 bytes. */ + +#define REGISTER_VIRTUAL_SIZE(N) 4 + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 4 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 4 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) 0 + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), 4); + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), 4); + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) \ + (((N) >= FP0_REGNUM && (N) < FP0_REGNUM+32) \ + ? builtin_type_float : builtin_type_int) \ + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +#define STORE_STRUCT_RETURN(addr, sp) \ + { sp = push_word(sp, addr);} + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. XXX floats */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy (REGBUF + REGISTER_BYTE ((TYPE_CODE (TYPE) == TYPE_CODE_FLT && mips_fpu) ? FP0_REGNUM : 2), VALBUF, TYPE_LENGTH (TYPE)) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (REGISTER_BYTE ((TYPE_CODE (TYPE) == TYPE_CODE_FLT && mips_fpu) ? FP0_REGNUM : 2), VALBUF, TYPE_LENGTH (TYPE)) + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF+16)) + +/* Structures are returned by ref in extra arg0 */ +#define USE_STRUCT_CONVENTION(gcc_p, type) 1 + + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. */ + +#define FRAME_CHAIN(thisframe) (FRAME_ADDR)mips_frame_chain(thisframe) + +/* Define other aspects of the stack frame. */ + + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +/* We handle this differently for mips, and maybe we should not */ + +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) {(FRAMELESS) = 0;} + +/* Saved Pc. */ + +#define FRAME_SAVED_PC(FRAME) (mips_frame_saved_pc(FRAME)) + +#define FRAME_ARGS_ADDRESS(fi) (fi)->frame + +#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. */ + +#define FRAME_NUM_ARGS(num, fi) (num = mips_frame_num_args(fi)) + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 0 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) ( \ + (frame_saved_regs) = *(frame_info)->saved_regs, \ + (frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame) + + +/* Things needed for making the inferior call functions. */ + +/* Stack has strict alignment. However, use PUSH_ARGUMENTS + to take care of it. */ +/*#define STACK_ALIGN(addr) (((addr)+3)&~3)*/ + +#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \ + sp = mips_push_arguments(nargs, args, sp, struct_return, struct_addr) + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME mips_push_dummy_frame() + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME mips_pop_frame() + +#define MK_OP(op,rs,rt,offset) (((op)<<26)|((rs)<<21)|((rt)<<16)|(offset)) +#define CALL_DUMMY_SIZE (16*4) +#define Dest_Reg 2 +#define CALL_DUMMY {\ + MK_OP(0,RA_REGNUM,0,8), /* jr $ra # Fake ABOUT_TO_RETURN ...*/\ + 0, /* nop # ... to stop raw backtrace*/\ + 0x27bd0000, /* addu sp,?0 # Pseudo prologue */\ +/* Start here: */\ + MK_OP(061,SP_REGNUM,12,0), /* lwc1 $f12,0(sp) # Reload FP regs*/\ + MK_OP(061,SP_REGNUM,13,4), /* lwc1 $f13,4(sp) */\ + MK_OP(061,SP_REGNUM,14,8), /* lwc1 $f14,8(sp) */\ + MK_OP(061,SP_REGNUM,15,12), /* lwc1 $f15,12(sp) */\ + MK_OP(043,SP_REGNUM,4,0), /* lw $r4,0(sp) # Reload first 4 args*/\ + MK_OP(043,SP_REGNUM,5,4), /* lw $r5,4(sp) */\ + MK_OP(043,SP_REGNUM,6,8), /* lw $r6,8(sp) */\ + MK_OP(043,SP_REGNUM,7,12), /* lw $r7,12(sp) */\ + (017<<26)| (Dest_Reg << 16), /* lui $r31,<target upper 16 bits>*/\ + MK_OP(13,Dest_Reg,Dest_Reg,0), /* ori $r31,$r31,<lower 16 bits>*/ \ + (Dest_Reg<<21) | (31<<11) | 9, /* jalr $r31 */\ + MK_OP(043,SP_REGNUM,7,12), /* lw $r7,12(sp) */\ + 0x5000d, /* bpt */\ +} + +#define CALL_DUMMY_START_OFFSET 12 + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. */ + +#define FIX_CALL_DUMMY(dummyname, start_sp, fun, nargs, args, rettype, gcc_p)\ + do \ + { \ + ((int*)(dummyname))[11] |= ((unsigned long)(fun)) >> 16; \ + ((int*)(dummyname))[12] |= (unsigned short)(fun); \ + if (! mips_fpu) \ + { \ + ((int *) (dummyname))[3] = 0; \ + ((int *) (dummyname))[4] = 0; \ + ((int *) (dummyname))[5] = 0; \ + ((int *) (dummyname))[6] = 0; \ + } \ + } \ + while (0) + +/* There's a mess in stack frame creation. See comments in blockframe.c + near reference to INIT_FRAME_PC_FIRST. */ + +#define INIT_FRAME_PC(fromleaf, prev) /* nada */ + +#define INIT_FRAME_PC_FIRST(fromleaf, prev) \ + (prev)->pc = ((fromleaf) ? SAVED_PC_AFTER_CALL ((prev)->next) : \ + (prev)->next ? FRAME_SAVED_PC ((prev)->next) : read_pc ()); + +/* Special symbol found in blocks associated with routines. We can hang + mips_extra_func_info_t's off of this. */ + +#define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__" + +/* Specific information about a procedure. + This overlays the MIPS's PDR records, + mipsread.c (ab)uses this to save memory */ + +typedef struct mips_extra_func_info { + long numargs; /* number of args to procedure (was iopt) */ + PDR pdr; /* Procedure descriptor record */ +} *mips_extra_func_info_t; + +#define EXTRA_FRAME_INFO \ + mips_extra_func_info_t proc_desc; \ + int num_args;\ + struct frame_saved_regs *saved_regs; + +#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci) + +#define PRINT_EXTRA_FRAME_INFO(fi) \ + { \ + if (fi && fi->proc_desc && fi->proc_desc->pdr.framereg < NUM_REGS) \ + printf_filtered (" frame pointer is at %s+%d\n", \ + reg_names[fi->proc_desc->pdr.framereg], \ + fi->proc_desc->pdr.frameoffset); \ + } + +/* It takes two values to specify a frame on the MIPS. Sigh. + + In fact, at the moment, the *PC* is the primary value that sets up + a frame. The PC is looked up to see what function it's in; symbol + information from that function tells us which register is the frame + pointer base, and what offset from there is the "virtual frame pointer". + (This is usually an offset from SP.) FIXME -- this should be cleaned + up so that the primary value is the SP, and the PC is used to disambiguate + multiple functions with the same SP that are at different stack levels. */ + +#define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv) +/* FIXME: Depends on equivalence between FRAME and "struct frame_info *", + and equivalence between CORE_ADDR and FRAME_ADDR. */ +extern struct frame_info *setup_arbitrary_frame PARAMS ((int, CORE_ADDR *)); + +#define STAB_REG_TO_REGNUM(num) ((num) < 32 ? (num) : (num)+FP0_REGNUM-32) diff --git a/gdb/config/mips/xm-bigmips.h b/gdb/config/mips/xm-bigmips.h new file mode 100644 index 0000000..91758b3 --- /dev/null +++ b/gdb/config/mips/xm-bigmips.h @@ -0,0 +1,21 @@ +/* Copyright (C) 1990 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +#include "mips/xm-mips.h" diff --git a/gdb/config/mips/xm-irix3.h b/gdb/config/mips/xm-irix3.h new file mode 100644 index 0000000..24cc561 --- /dev/null +++ b/gdb/config/mips/xm-irix3.h @@ -0,0 +1,32 @@ +/* Copyright (C) 1991 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This is for the iris. */ + +#define HAVE_TERMIO + +#include "mips/xm-bigmips.h" + +/* Override register locations in upage for SGI machines */ +#undef REGISTER_U_ADDR +#define REGISTER_U_ADDR(addr, blockend, regno) \ + if (regno < PC_REGNUM) \ + addr = regno; \ + else \ + addr = regno + NSIG_HNDLRS; /* Skip over signal handlers */ + diff --git a/gdb/config/mips/xm-irix4.h b/gdb/config/mips/xm-irix4.h new file mode 100644 index 0000000..aa74a7d --- /dev/null +++ b/gdb/config/mips/xm-irix4.h @@ -0,0 +1,41 @@ +/* Definitions for irix4 hosting support. + +Copyright (C) 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This is for the iris. */ + +#define HAVE_TERMIO + +#include "mips/xm-bigmips.h" + +/* Override register locations in upage for SGI machines */ +#undef REGISTER_U_ADDR +#define REGISTER_U_ADDR(addr, blockend, regno) \ + if (regno < PC_REGNUM) \ + addr = regno; \ + else \ + addr = regno + NSIG_HNDLRS; /* Skip over signal handlers */ + +/* BEGIN GW MODS */ +/* Irix defines psignal() in signal.h, which gets gcc rather angry at us + * because their definition is markedly different. + */ +#define PSIGNAL_IN_SIGNAL_H + +#define BROKEN_SIGINFO_H /* <sys/siginfo.h> si_pid & si_uid are bogus */ diff --git a/gdb/config/mips/xm-mips.h b/gdb/config/mips/xm-mips.h new file mode 100644 index 0000000..2c2e5cd --- /dev/null +++ b/gdb/config/mips/xm-mips.h @@ -0,0 +1,65 @@ +/* Definitions to make GDB run on a mips box under 4.3bsd. + Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc. + Contributed by Per Bothner(bothner@cs.wisc.edu) at U.Wisconsin + and by Alessandro Forin(af@cs.cmu.edu) at CMU + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#if !defined (HOST_BYTE_ORDER) +#define HOST_BYTE_ORDER LITTLE_ENDIAN +#endif + +/* Get rid of any system-imposed stack limit if possible */ + +#define SET_STACK_LIMIT_HUGE + +#ifdef ultrix +/* Needed for DECstation core files. */ +#include <machine/param.h> +#define KERNEL_U_ADDR UADDR +#endif + +#ifdef ultrix +extern char *strdup(); +#endif + +/* DECstation memcpy and memset return void *, not char *. */ + +extern void *memcpy(); +extern void *memset(); +#define MEM_FNS_DECLARED + +#if ! defined (__STDC__) && ! defined (offsetof) +# define offsetof(TYPE, MEMBER) ((unsigned long) &((TYPE *)0)->MEMBER) +#endif + +/* Only used for core files on DECstations. + First four registers at u.u_ar0 are saved arguments, and + there is no r0 saved. Float registers are saved + in u_pcb.pcb_fpregs, not relative to u.u_ar0. */ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ + { \ + if (regno < FP0_REGNUM) \ + addr = blockend + sizeof(int) * (4 + regno - 1); \ + else \ + addr = offsetof (struct user, u_pcb.pcb_fpregs[0]) + \ + sizeof (int) * (regno - FP0_REGNUM); \ + } + +/* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */ +#define ONE_PROCESS_WRITETEXT diff --git a/gdb/config/none/none.mh b/gdb/config/none/none.mh new file mode 100644 index 0000000..2a83347 --- /dev/null +++ b/gdb/config/none/none.mh @@ -0,0 +1,3 @@ +# Host: "no target". This can be used to build you +# a Makefile that only runs administrative commands like 'clean', +# 'gdb.tar.Z', etc. diff --git a/gdb/config/none/none.mt b/gdb/config/none/none.mt new file mode 100644 index 0000000..9917e2b --- /dev/null +++ b/gdb/config/none/none.mt @@ -0,0 +1,3 @@ +# Target: "no target". +# This can be used to build you a Makefile that only runs administrative +# commands like 'clean', 'gdb.tar.Z', etc. diff --git a/gdb/config/ns32k/merlin.mh b/gdb/config/ns32k/merlin.mh new file mode 100644 index 0000000..179254b --- /dev/null +++ b/gdb/config/ns32k/merlin.mh @@ -0,0 +1,6 @@ +# Host: Merlin running utek 2.1 +XDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o +XM_FILE= xm-merlin.h +# See SHELL_FILE in m-merlin.h for a explanation of this. +M_INSTALL=cp /bin/sh /usr/local/lib/gdb-sh; \ +chmod ogu+rw /usr/local/lib/gdb-sh diff --git a/gdb/config/ns32k/merlin.mt b/gdb/config/ns32k/merlin.mt new file mode 100644 index 0000000..25460e2 --- /dev/null +++ b/gdb/config/ns32k/merlin.mt @@ -0,0 +1,3 @@ +# Target: Merlin running utek 2.1 +TDEPFILES= exec.o ns32k-pinsn.o +TM_FILE= tm-merlin.h diff --git a/gdb/config/ns32k/nm-umax.h b/gdb/config/ns32k/nm-umax.h new file mode 100644 index 0000000..eb8326e --- /dev/null +++ b/gdb/config/ns32k/nm-umax.h @@ -0,0 +1,54 @@ +/* Definitions to make GDB run on an encore under umax 4.2 + Copyright 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Do implement the attach and detach commands... */ +#define ATTACH_DETACH + +/* Offset of registers within u area. */ +#define U_REGS_OFFSET 0 + +/* called from register_addr() -- blockend not used for now */ +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ \ + switch (regno) { \ + case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: \ + addr = PU_R0 - (regno * sizeof (int)); break; \ + case SP_REGNUM: \ + addr = PU_SP; break; \ + case PC_REGNUM: \ + addr = PU_PC; break; \ + case FP_REGNUM: \ + addr = PU_FP; break; \ + case PS_REGNUM: \ + addr = PU_PSL; break; \ + case FPS_REGNUM: \ + addr = PU_FSR; break; \ + case FP0_REGNUM + 0: case FP0_REGNUM + 1: \ + case FP0_REGNUM + 2: case FP0_REGNUM + 3: \ + case FP0_REGNUM + 4: case FP0_REGNUM + 5: \ + case FP0_REGNUM + 6: case FP0_REGNUM + 7: \ + addr = PU_F0 + (regno - FP0_REGNUM) * sizeof (float); break; \ + case LP0_REGNUM + 0: case LP0_REGNUM + 1: \ + case LP0_REGNUM + 2: case LP0_REGNUM + 3: \ + addr = PU_F0 + (regno - LP0_REGNUM) * sizeof (double); break; \ + default: \ + printf ("bad argument to REGISTER_U_ADDR %d\n", regno); \ + abort (); \ + } \ +} diff --git a/gdb/config/ns32k/tm-merlin.h b/gdb/config/ns32k/tm-merlin.h new file mode 100644 index 0000000..4191b04 --- /dev/null +++ b/gdb/config/ns32k/tm-merlin.h @@ -0,0 +1,339 @@ +/* Definitions to target GDB to a merlin under utek 2.1 + Copyright 1986, 1987, 1989, 1991, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define TARGET_BYTE_ORDER LITTLE_ENDIAN + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(pc) \ +{ register int op = read_memory_integer (pc, 1); \ + if (op == 0x82) \ + { op = read_memory_integer (pc+2,1); \ + if ((op & 0x80) == 0) pc += 3; \ + else if ((op & 0xc0) == 0x80) pc += 4; \ + else pc += 6; \ + }} + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) \ + read_memory_integer (read_register (SP_REGNUM), 4) + +/* Address of end of stack space. */ + +#define STACK_END_ADDR (0x800000) + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Sequence of bytes for breakpoint instruction. */ + +#define BREAKPOINT {0xf2} + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. */ + +#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0x12) + +/* Return 1 if P points to an invalid floating point value. */ + +#define INVALID_FLOAT(p, len) 0 + +/* Define this to say that the "svc" insn is followed by + codes in memory saying which kind of system call it is. */ + +#define NS32K_SVC_IMMED_OPERANDS + +/* Say how long (ordinary) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ + +#define NUM_REGS 25 + +#define NUM_GENERAL_REGS 8 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +#define REGISTER_NAMES {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ + "pc", "sp", "fp", "ps", \ + "fsr", \ + "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ + "l0", "l1", "l2", "l3", "l4", \ + } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define AP_REGNUM FP_REGNUM +#define FP_REGNUM 10 /* Contains address of executing stack frame */ +#define SP_REGNUM 9 /* Contains address of top of stack */ +#define PC_REGNUM 8 /* Contains program counter */ +#define PS_REGNUM 11 /* Contains processor status */ +#define FPS_REGNUM 12 /* Floating point status register */ +#define FP0_REGNUM 13 /* Floating point register 0 */ +#define LP0_REGNUM 21 /* Double register 0 (same as FP0) */ + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +#define REGISTER_BYTES ((NUM_REGS - 4) * sizeof (int) + 4 * sizeof (double)) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N) >= LP0_REGNUM ? \ + LP0_REGNUM * 4 + ((N) - LP0_REGNUM) * 8 : (N) * 4) + +/* Number of bytes of storage in the actual machine representation + for register N. On the 32000, all regs are 4 bytes + except for the doubled floating registers. */ + +#define REGISTER_RAW_SIZE(N) ((N) >= LP0_REGNUM ? 8 : 4) + +/* Number of bytes of storage in the program's representation + for register N. On the 32000, all regs are 4 bytes + except for the doubled floating registers. */ + +#define REGISTER_VIRTUAL_SIZE(N) ((N) >= LP0_REGNUM ? 8 : 4) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 8 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 8 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) 0 + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), REGISTER_VIRTUAL_SIZE(REGNUM)); + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), REGISTER_VIRTUAL_SIZE(REGNUM)); + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) \ + ((N) >= FP0_REGNUM ? \ + ((N) >= LP0_REGNUM ? \ + builtin_type_double \ + : builtin_type_float) \ + : builtin_type_int) + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. + + On this machine this is a no-op, as gcc doesn't run on it yet. + This calling convention is not used. */ + +#define STORE_STRUCT_RETURN(ADDR, SP) + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy (REGBUF, VALBUF, TYPE_LENGTH (TYPE)) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. */ + +/* In the case of the Merlin, the frame's nominal address is the FP value, + and at that address is saved previous FP value as a 4-byte word. */ + +#define FRAME_CHAIN(thisframe) \ + (!inside_entry_file ((thisframe)->pc) ? \ + read_memory_integer ((thisframe)->frame, 4) :\ + 0) + +/* Define other aspects of the stack frame. */ + +#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4)) + +/* compute base of arguments */ +#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) + +#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. */ + +#define FRAME_NUM_ARGS(numargs, fi) \ +{ CORE_ADDR pc; \ + int insn; \ + int addr_mode; \ + int width; \ + \ + pc = FRAME_SAVED_PC (fi); \ + insn = read_memory_integer (pc,2); \ + addr_mode = (insn >> 11) & 0x1f; \ + insn = insn & 0x7ff; \ + if ((insn & 0x7fc) == 0x57c \ + && addr_mode == 0x14) /* immediate */ \ + { if (insn == 0x57c) /* adjspb */ \ + width = 1; \ + else if (insn == 0x57d) /* adjspw */ \ + width = 2; \ + else if (insn == 0x57f) /* adjspd */ \ + width = 4; \ + numargs = read_memory_integer (pc+2,width); \ + if (width > 1) \ + flip_bytes (&numargs, width); \ + numargs = - sign_extend (numargs, width*8) / 4; } \ + else numargs = -1; \ +} + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 8 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ +{ int regmask,regnum; \ + int localcount; \ + CORE_ADDR enter_addr; \ + CORE_ADDR next_addr; \ + \ + enter_addr = get_pc_function_start ((frame_info)->pc); \ + regmask = read_memory_integer (enter_addr+1, 1); \ + localcount = ns32k_localcount (enter_addr); \ + next_addr = (frame_info)->frame + localcount; \ + for (regnum = 0; regnum < 8; regnum++, regmask >>= 1) \ + (frame_saved_regs).regs[regnum] \ + = (regmask & 1) ? (next_addr -= 4) : 0; \ + (frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame + 4; \ + (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 4; \ + (frame_saved_regs).regs[FP_REGNUM] \ + = read_memory_integer ((frame_info)->frame, 4); } + + +/* Things needed for making the inferior call functions. */ + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME \ +{ register CORE_ADDR sp = read_register (SP_REGNUM); \ + register int regnum; \ + sp = push_word (sp, read_register (PC_REGNUM)); \ + sp = push_word (sp, read_register (FP_REGNUM)); \ + write_register (FP_REGNUM, sp); \ + for (regnum = 0; regnum < 8; regnum++) \ + sp = push_word (sp, read_register (regnum)); \ + write_register (SP_REGNUM, sp); \ +} + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME \ +{ register FRAME frame = get_current_frame (); \ + register CORE_ADDR fp; \ + register int regnum; \ + struct frame_saved_regs fsr; \ + struct frame_info *fi; \ + fi = get_frame_info (frame); \ + fp = fi->frame; \ + get_frame_saved_regs (fi, &fsr); \ + for (regnum = 0; regnum < 8; regnum++) \ + if (fsr.regs[regnum]) \ + write_register (regnum, read_memory_integer (fsr.regs[regnum], 4)); \ + write_register (FP_REGNUM, read_memory_integer (fp, 4)); \ + write_register (PC_REGNUM, read_memory_integer (fp + 4, 4)); \ + write_register (SP_REGNUM, fp + 8); \ + flush_cached_frames (); \ + set_current_frame (create_new_frame (read_register (FP_REGNUM),\ + read_pc ())); \ +} + +/* This sequence of words is the instructions + enter 0xff,0 82 ff 00 + jsr @0x00010203 7f ae c0 01 02 03 + adjspd 0x69696969 7f a5 01 02 03 04 + bpt f2 + Note this is 16 bytes. */ + +#define CALL_DUMMY { 0x7f00ff82, 0x0201c0ae, 0x01a57f03, 0xf2040302 } + +#define CALL_DUMMY_START_OFFSET 3 +#define CALL_DUMMY_LENGTH 16 +#define CALL_DUMMY_ADDR 5 +#define CALL_DUMMY_NARGS 11 + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ +{ int flipped = fun | 0xc0000000; \ + flip_bytes (&flipped, 4); \ + *((int *) (((char *) dummyname)+CALL_DUMMY_ADDR)) = flipped; \ + flipped = - nargs * 4; \ + flip_bytes (&flipped, 4); \ + *((int *) (((char *) dummyname)+CALL_DUMMY_NARGS)) = flipped; \ +} diff --git a/gdb/config/ns32k/tm-umax.h b/gdb/config/ns32k/tm-umax.h new file mode 100644 index 0000000..3ec6852 --- /dev/null +++ b/gdb/config/ns32k/tm-umax.h @@ -0,0 +1,383 @@ +/* Definitions to make GDB run on an encore under umax 4.2 + Copyright 1987, 1989, 1991, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define TARGET_BYTE_ORDER LITTLE_ENDIAN + +/* Need to get function ends by adding this to epilogue address from .bf + record, not using x_fsize field. */ +#define FUNCTION_EPILOGUE_SIZE 4 + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(pc) \ +{ register unsigned char op = read_memory_integer (pc, 1); \ + if (op == 0x82) { op = read_memory_integer (pc+2,1); \ + if ((op & 0x80) == 0) pc += 3; \ + else if ((op & 0xc0) == 0x80) pc += 4; \ + else pc += 6; \ + } \ +} + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) \ + read_memory_integer (read_register (SP_REGNUM), 4) + +/* Address of end of stack space. */ + +#define STACK_END_ADDR (0xfffff000) + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Sequence of bytes for breakpoint instruction. */ + +#define BREAKPOINT {0xf2} + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. */ + +#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0x12) + +#ifndef NaN +#include <nan.h> +#endif NaN + +/* Return 1 if P points to an invalid floating point value. */ +/* Surely wrong for cross-debugging. */ +#define INVALID_FLOAT(p, s) \ + ((s == sizeof (float))? \ + NaF (*(float *) p) : \ + NaD (*(double *) p)) + +/* Say how long (ordinary) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ + +#define NUM_REGS 25 + +#define NUM_GENERAL_REGS 8 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +#define REGISTER_NAMES {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ + "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ + "sp", "fp", "pc", "ps", \ + "fsr", \ + "l0", "l1", "l2", "l3", "xx", \ + } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define R0_REGNUM 0 /* General register 0 */ +#define FP0_REGNUM 8 /* Floating point register 0 */ +#define SP_REGNUM 16 /* Contains address of top of stack */ +#define AP_REGNUM FP_REGNUM +#define FP_REGNUM 17 /* Contains address of executing stack frame */ +#define PC_REGNUM 18 /* Contains program counter */ +#define PS_REGNUM 19 /* Contains processor status */ +#define FPS_REGNUM 20 /* Floating point status register */ +#define LP0_REGNUM 21 /* Double register 0 (same as FP0) */ + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +#define REGISTER_BYTES \ + ((NUM_REGS - 4) * REGISTER_RAW_SIZE(R0_REGNUM) \ + + 4 * REGISTER_RAW_SIZE(LP0_REGNUM)) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N) >= LP0_REGNUM ? \ + LP0_REGNUM * 4 + ((N) - LP0_REGNUM) * 8 : (N) * 4) + +/* Number of bytes of storage in the actual machine representation + for register N. On the 32000, all regs are 4 bytes + except for the doubled floating registers. */ + +#define REGISTER_RAW_SIZE(N) ((N) >= LP0_REGNUM ? 8 : 4) + +/* Number of bytes of storage in the program's representation + for register N. On the 32000, all regs are 4 bytes + except for the doubled floating registers. */ + +#define REGISTER_VIRTUAL_SIZE(N) ((N) >= LP0_REGNUM ? 8 : 4) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 8 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 8 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) 0 + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), REGISTER_VIRTUAL_SIZE(REGNUM)); + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), REGISTER_VIRTUAL_SIZE(REGNUM)); + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) \ + (((N) < FP0_REGNUM) ? \ + builtin_type_int : \ + ((N) < FP0_REGNUM + 8) ? \ + builtin_type_float : \ + ((N) < LP0_REGNUM) ? \ + builtin_type_int : \ + builtin_type_double) + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. + + On this machine this is a no-op, because gcc isn't used on it + yet. So this calling convention is not used. */ + +#define STORE_STRUCT_RETURN(ADDR, SP) + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy (REGBUF+REGISTER_BYTE (TYPE_CODE (TYPE) == TYPE_CODE_FLT ? FP0_REGNUM : 0), VALBUF, TYPE_LENGTH (TYPE)) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (REGISTER_BYTE (TYPE_CODE (TYPE) == TYPE_CODE_FLT ? FP0_REGNUM : 0), VALBUF, TYPE_LENGTH (TYPE)) + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. */ + +/* In the case of the ns32000 series, the frame's nominal address is the FP + value, and at that address is saved previous FP value as a 4-byte word. */ + +#define FRAME_CHAIN(thisframe) \ + (!inside_entry_file ((thisframe)->pc) ? \ + read_memory_integer ((thisframe)->frame, 4) :\ + 0) + +/* Define other aspects of the stack frame. */ + +#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4)) + +/* Compute base of arguments. */ + +#define FRAME_ARGS_ADDRESS(fi) \ + ((ns32k_get_enter_addr ((fi)->pc) > 1) ? \ + ((fi)->frame) : (read_register (SP_REGNUM) - 4)) + +#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) + +/* Get the address of the enter opcode for this function, if it is active. + Returns positive address > 1 if pc is between enter/exit, + 1 if pc before enter or after exit, 0 otherwise. */ + +extern CORE_ADDR ns32k_get_enter_addr (); + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. + Encore's C compiler often reuses same area on stack for args, + so this will often not work properly. If the arg names + are known, it's likely most of them will be printed. */ + +#define FRAME_NUM_ARGS(numargs, fi) \ +{ CORE_ADDR pc; \ + CORE_ADDR enter_addr; \ + unsigned int insn; \ + unsigned int addr_mode; \ + int width; \ + \ + numargs = -1; \ + enter_addr = ns32k_get_enter_addr ((fi)->pc); \ + if (enter_addr > 0) \ + { \ + pc = (enter_addr == 1) ? \ + SAVED_PC_AFTER_CALL (fi) : \ + FRAME_SAVED_PC (fi); \ + insn = read_memory_integer (pc,2); \ + addr_mode = (insn >> 11) & 0x1f; \ + insn = insn & 0x7ff; \ + if ((insn & 0x7fc) == 0x57c && \ + addr_mode == 0x14) /* immediate */ \ + { \ + if (insn == 0x57c) /* adjspb */ \ + width = 1; \ + else if (insn == 0x57d) /* adjspw */ \ + width = 2; \ + else if (insn == 0x57f) /* adjspd */ \ + width = 4; \ + numargs = read_memory_integer (pc+2,width); \ + if (width > 1) \ + flip_bytes (&numargs, width); \ + numargs = - sign_extend (numargs, width*8) / 4;\ + } \ + } \ +} + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 8 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ +{ \ + register int regmask, regnum; \ + int localcount; \ + register CORE_ADDR enter_addr; \ + register CORE_ADDR next_addr; \ + \ + bzero (&(frame_saved_regs), sizeof (frame_saved_regs)); \ + enter_addr = ns32k_get_enter_addr ((frame_info)->pc); \ + if (enter_addr > 1) \ + { \ + regmask = read_memory_integer (enter_addr+1, 1) & 0xff; \ + localcount = ns32k_localcount (enter_addr); \ + next_addr = (frame_info)->frame + localcount; \ + for (regnum = 0; regnum < 8; regnum++, regmask >>= 1) \ + (frame_saved_regs).regs[regnum] = (regmask & 1) ? \ + (next_addr -= 4) : 0; \ + (frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame + 4;\ + (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 4;\ + (frame_saved_regs).regs[FP_REGNUM] = \ + (read_memory_integer ((frame_info)->frame, 4));\ + } \ + else if (enter_addr == 1) \ + { \ + CORE_ADDR sp = read_register (SP_REGNUM); \ + (frame_saved_regs).regs[PC_REGNUM] = sp; \ + (frame_saved_regs).regs[SP_REGNUM] = sp + 4; \ + } \ +} + +/* Things needed for making the inferior call functions. */ + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME \ +{ register CORE_ADDR sp = read_register (SP_REGNUM);\ + register int regnum; \ + sp = push_word (sp, read_register (PC_REGNUM)); \ + sp = push_word (sp, read_register (FP_REGNUM)); \ + write_register (FP_REGNUM, sp); \ + for (regnum = 0; regnum < 8; regnum++) \ + sp = push_word (sp, read_register (regnum)); \ + write_register (SP_REGNUM, sp); \ +} + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME \ +{ register FRAME frame = get_current_frame (); \ + register CORE_ADDR fp; \ + register int regnum; \ + struct frame_saved_regs fsr; \ + struct frame_info *fi; \ + fi = get_frame_info (frame); \ + fp = fi->frame; \ + get_frame_saved_regs (fi, &fsr); \ + for (regnum = 0; regnum < 8; regnum++) \ + if (fsr.regs[regnum]) \ + write_register (regnum, read_memory_integer (fsr.regs[regnum], 4)); \ + write_register (FP_REGNUM, read_memory_integer (fp, 4)); \ + write_register (PC_REGNUM, read_memory_integer (fp + 4, 4)); \ + write_register (SP_REGNUM, fp + 8); \ + flush_cached_frames (); \ + set_current_frame (create_new_frame (read_register (FP_REGNUM),\ + read_pc ())); } + +/* This sequence of words is the instructions + enter 0xff,0 82 ff 00 + jsr @0x00010203 7f ae c0 01 02 03 + adjspd 0x69696969 7f a5 01 02 03 04 + bpt f2 + Note this is 16 bytes. */ + +#define CALL_DUMMY { 0x7f00ff82, 0x0201c0ae, 0x01a57f03, 0xf2040302 } + +#define CALL_DUMMY_START_OFFSET 3 +#define CALL_DUMMY_LENGTH 16 +#define CALL_DUMMY_ADDR 5 +#define CALL_DUMMY_NARGS 11 + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ +{ \ + int flipped; \ + flipped = fun | 0xc0000000; \ + flip_bytes (&flipped, 4); \ + *((int *) (((char *) dummyname)+CALL_DUMMY_ADDR)) = flipped; \ + flipped = - nargs * 4; \ + flip_bytes (&flipped, 4); \ + *((int *) (((char *) dummyname)+CALL_DUMMY_NARGS)) = flipped; \ +} diff --git a/gdb/config/ns32k/umax.mh b/gdb/config/ns32k/umax.mh new file mode 100644 index 0000000..56d49ab --- /dev/null +++ b/gdb/config/ns32k/umax.mh @@ -0,0 +1,5 @@ +# Host: Encore running umax 4.2 +XDEPFILES= umax-xdep.o +XM_FILE= xm-umax.h +NAT_FILE= nm-umax.h +NATDEPFILES= exec.o infptrace.o inftarg.o fork-child.o diff --git a/gdb/config/ns32k/umax.mt b/gdb/config/ns32k/umax.mt new file mode 100644 index 0000000..3c60632 --- /dev/null +++ b/gdb/config/ns32k/umax.mt @@ -0,0 +1,3 @@ +# Target: Encore running umax 4.2 +TDEPFILES= ns32k-pinsn.o +TM_FILE= tm-umax.h diff --git a/gdb/config/ns32k/xm-merlin.h b/gdb/config/ns32k/xm-merlin.h new file mode 100644 index 0000000..7cbba1c --- /dev/null +++ b/gdb/config/ns32k/xm-merlin.h @@ -0,0 +1,64 @@ +/* Definitions to make GDB run on a merlin under utek 2.1 + Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include <machine/reg.h> + +/* This machine doesn't have the siginterrupt call. */ +#define NO_SIGINTERRUPT + +/* Under Utek, a ptrace'd process can be the only active process for + an executable. Therefore instead of /bin/sh use gdb-sh (which should + just be a copy of /bin/sh which is world readable and writeable). */ +#define SHELL_FILE "/usr/gnu/lib/gdb-sh" + +#define HOST_BYTE_ORDER LITTLE_ENDIAN + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#define KERNEL_U_ADDR (0xfef000) + +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ \ + switch (regno) { \ + case 0: case 1: case 2: case 3: case 4: case 5: case 6: case 7: \ + addr = blockend + (R0 - regno) * sizeof (int); break; \ + case PC_REGNUM: \ + addr = blockend + PC * sizeof (int); break; \ + case SP_REGNUM: \ + addr = blockend + SP * sizeof (int); break; \ + case FP_REGNUM: \ + addr = blockend + FP * sizeof (int); break; \ + case PS_REGNUM: \ + addr = blockend + 12 * sizeof (int); break; \ + case FPS_REGNUM: \ + addr = 108; break; \ + case FP0_REGNUM + 0: case FP0_REGNUM + 1: \ + case FP0_REGNUM + 2: case FP0_REGNUM + 3: \ + case FP0_REGNUM + 4: case FP0_REGNUM + 5: \ + case FP0_REGNUM + 6: case FP0_REGNUM + 7: \ + addr = 76 + (regno - FP0_REGNUM) * sizeof (float); break; \ + case LP0_REGNUM + 0: case LP0_REGNUM + 1: \ + case LP0_REGNUM + 2: case LP0_REGNUM + 3: \ + addr = 76 + (regno - LP0_REGNUM) * sizeof (double); break; \ + default: \ + printf ("bad argument to REGISTER_U_ADDR %d\n", regno); \ + abort (); \ + } \ +} diff --git a/gdb/config/ns32k/xm-umax.h b/gdb/config/ns32k/xm-umax.h new file mode 100644 index 0000000..5c5acb8 --- /dev/null +++ b/gdb/config/ns32k/xm-umax.h @@ -0,0 +1,26 @@ +/* Definitions to make GDB run on an encore under umax 4.2 + Copyright 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER LITTLE_ENDIAN + +#define HAVE_WAIT_STRUCT + +/* Doesn't have siginterupt. */ +#define NO_SIGINTERRUPT + diff --git a/gdb/config/pa/hppabsd.mh b/gdb/config/pa/hppabsd.mh new file mode 100644 index 0000000..2efde1a --- /dev/null +++ b/gdb/config/pa/hppabsd.mh @@ -0,0 +1,5 @@ +# Host: Hewlett-Packard PA-RISC machine, running BSD +XDEPFILES= +XM_FILE= xm-hppab.h +NAT_FILE= nm-hppab.h +NATDEPFILES= hppab-nat.o coredep.o corelow.o exec.o hppab-core.o diff --git a/gdb/config/pa/hppabsd.mt b/gdb/config/pa/hppabsd.mt new file mode 100644 index 0000000..1260ab7 --- /dev/null +++ b/gdb/config/pa/hppabsd.mt @@ -0,0 +1,4 @@ +# TARGET: HP PA-RISC running bsd +TDEPFILES= hppa-pinsn.o hppab-tdep.o +TM_FILE= tm-hppab.h + diff --git a/gdb/config/pa/hppahpux.mh b/gdb/config/pa/hppahpux.mh new file mode 100644 index 0000000..3e22734 --- /dev/null +++ b/gdb/config/pa/hppahpux.mh @@ -0,0 +1,8 @@ +# Host: Hewlett-Packard PA-RISC machine, running HPUX +TERMCAP = -lcurses +XDEPFILES= +XM_FILE= xm-hppah.h +NAT_FILE= nm-hppah.h +NATDEPFILES= hppah-nat.o coredep.o corelow.o inftarg.o fork-child.o paread.o +REGEX=regex.o +REGEX1=regex.o diff --git a/gdb/config/pa/nm-hppab.h b/gdb/config/pa/nm-hppab.h new file mode 100644 index 0000000..9dccb8f --- /dev/null +++ b/gdb/config/pa/nm-hppab.h @@ -0,0 +1,25 @@ +/* HPPA PA-RISC machine native support for BSD, for GDB. + Copyright 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define U_REGS_OFFSET 0 + +/* What a coincidence! */ +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ addr = (int)(blockend) + REGISTER_BYTE (regno);} + diff --git a/gdb/config/pa/nm-hppah.h b/gdb/config/pa/nm-hppah.h new file mode 100644 index 0000000..6977a12 --- /dev/null +++ b/gdb/config/pa/nm-hppah.h @@ -0,0 +1,24 @@ +/* Native support for HPPA-RISC machine running HPUX, for GDB. + Copyright 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define U_REGS_OFFSET 0 + +/* What a coincidence! */ +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ addr = (int)(blockend) + REGISTER_BYTE (regno);} diff --git a/gdb/config/pa/tm-hppab.h b/gdb/config/pa/tm-hppab.h new file mode 100644 index 0000000..73ff419 --- /dev/null +++ b/gdb/config/pa/tm-hppab.h @@ -0,0 +1,6 @@ +/* Parameters for execution on an HP PA-RISC machine running BSD, for GDB. + Contributed by the Center for Software Science at the + University of Utah (pa-gdb-bugs@cs.utah.edu). */ + +/* It's all just the common stuff. */ +#include "pa/tm-hppa.h" diff --git a/gdb/config/pa/xm-hppab.h b/gdb/config/pa/xm-hppab.h new file mode 100644 index 0000000..22f67d7 --- /dev/null +++ b/gdb/config/pa/xm-hppab.h @@ -0,0 +1,42 @@ +/* Parameters for hosting on an HPPA PA-RISC machine, running BSD, for GDB. + Copyright 1991, 1992 Free Software Foundation, Inc. + + Contributed by the Center for Software Science at the + University of Utah (pa-gdb-bugs@cs.utah.edu). + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* This is a big-endian host. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* Avoid "INT_MIN redefined" warnings -- by defining it here, exactly + the same as in the system <machine/machtypes.h> file. */ +#undef INT_MIN +#define INT_MIN 0x80000000 + +#ifndef hp800 +#define USG +#endif + +#define KERNEL_U_ADDR 0 + +#ifndef SEEK_SET +# define SEEK_SET 0 /* Set file pointer to "offset" */ +# define SEEK_CUR 1 /* Set file pointer to current plus "offset" */ +# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */ +#endif /* SEEK_SET */ diff --git a/gdb/config/pa/xm-hppah.h b/gdb/config/pa/xm-hppah.h new file mode 100644 index 0000000..0c10fb6 --- /dev/null +++ b/gdb/config/pa/xm-hppah.h @@ -0,0 +1,51 @@ +/* Parameters for hosting on an HPPA-RISC machine running HPUX, for GDB. + Copyright 1991, 1992 Free Software Foundation, Inc. + + Contributed by the Center for Software Science at the + University of Utah (pa-gdb-bugs@cs.utah.edu). + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Host is big-endian. */ +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* Avoid "INT_MIN redefined" warnings -- by defining it here, exactly + the same as in the system <machine/machtypes.h> file. */ +#undef INT_MIN +#define INT_MIN 0x80000000 + +#ifndef hp800 +#define USG +#endif + +#ifndef __STDC__ +/* This define is discussed in decode_line_1 in symtab.c */ +#define HPPA_COMPILER_BUG +#endif + +#define HAVE_TERMIO + +#define KERNEL_U_ADDR 0 + +/* HP uses non-ANSI definitions, but with void * results. */ +#define MEM_FNS_DECLARED /* Some non-ANSI use void *, not char *. */ +extern void * +memcpy PARAMS ((void *, const void *, size_t)); /* 4.11.2.1 */ + +extern void * +memset PARAMS ((void *, int, size_t)); /* 4.11.6.1 */ + diff --git a/gdb/config/rs6000/nm-rs6000.h b/gdb/config/rs6000/nm-rs6000.h new file mode 100644 index 0000000..baa878d --- /dev/null +++ b/gdb/config/rs6000/nm-rs6000.h @@ -0,0 +1,30 @@ +/* IBM RS/6000 native-dependent macros for GDB, the GNU debugger. + Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Do implement the attach and detach commands. */ + +#define ATTACH_DETACH + +#define PTRACE_ATTACH PT_ATTACH +#define PTRACE_DETACH PT_DETACH + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ + +#define FETCH_INFERIOR_REGISTERS + diff --git a/gdb/config/rs6000/rs6000.mh b/gdb/config/rs6000/rs6000.mh new file mode 100644 index 0000000..a4037eb --- /dev/null +++ b/gdb/config/rs6000/rs6000.mh @@ -0,0 +1,36 @@ +# Host machine: IBM RS/6000 running AIX 3.2. +# Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc. + +# This file is part of GDB. + +# GDB is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 1, or (at your option) +# any later version. + +# GDB is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with GDB; see the file COPYING. If not, write to +# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + +XDEPFILES= +XM_FILE= xm-rs6000.h +NAT_FILE= nm-rs6000.h +NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o rs6000-nat.o xcoffread.o + +# When compiled with cc, for debugging, this argument should be passed. +# We have no idea who our current compiler is though, so we skip it. +# MH_CFLAGS = -bnodelcsect + +# Because of shared libraries, we risk ending up with *two* +# incompatible versions of malloc if we use GNU malloc ... +MMALLOC_LIB = +MMALLOC_DISABLE = -DNO_MMALLOC + +# A bug in the AIX 3.2 libc.a results in unresolved references for .scalb and +# .finite becuase we call ldexp. Circumvent by adding -lm. FIXME, IBM. +XM_CLIBS= -lm diff --git a/gdb/config/rs6000/tm-rs6000.h b/gdb/config/rs6000/tm-rs6000.h new file mode 100644 index 0000000..81ed15c --- /dev/null +++ b/gdb/config/rs6000/tm-rs6000.h @@ -0,0 +1,584 @@ +/* Parameters for target execution on an RS6000, for GDB, the GNU debugger. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + Contributed by IBM Corporation. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +extern int symtab_relocated; + +/* Minimum possible text address in AIX */ + +#define TEXT_SEGMENT_BASE 0x10000000 + + +/* text addresses in a core file does not necessarily match to symbol table, + if symbol table relocation wasn't done yet. */ + +#define CORE_NEEDS_RELOCATION(PC) \ + if (!symtab_relocated && !inferior_pid) \ + xcoff_relocate_core (); +extern void xcoff_relocate_core PARAMS ((void)); + +/* Load segment of a given pc value. */ + +#define PC_LOAD_SEGMENT(PC) pc_load_segment_name(PC) + +/* AIX cc seems to get this right. */ + +#define BELIEVE_PCC_PROMOTION 1 + +/* return true if a given `pc' value is in `call dummy' function. */ + +#define PC_IN_CALL_DUMMY(STOP_PC, STOP_SP, STOP_FRAME_ADDR) \ + (STOP_SP < STOP_PC && STOP_PC < STACK_END_ADDR) + +/* For each symtab, we keep track of which BFD it came from. */ +#define EXTRA_SYMTAB_INFO \ + unsigned nonreloc:1; /* TRUE if non relocatable */ + +#define INIT_EXTRA_SYMTAB_INFO(symtab) \ + symtab->nonreloc = 0; \ + +extern unsigned int text_start, data_start; +extern int inferior_pid; +extern char *corefile; + +/* setpgrp() messes up controling terminal. The other version of it + requires libbsd.a. */ +#define setpgrp(XX,YY) setpgid (XX, YY) + +/* We are missing register descriptions in the system header files. Sigh! */ + +struct regs { + int gregs [32]; /* general purpose registers */ + int pc; /* program conter */ + int ps; /* processor status, or machine state */ +}; + +struct fp_status { + double fpregs [32]; /* floating GP registers */ +}; + + +/* To be used by function_frame_info. */ + +struct aix_framedata { + int offset; /* # of bytes in gpr's and fpr's are saved */ + int saved_gpr; /* smallest # of saved gpr */ + int saved_fpr; /* smallest # of saved fpr */ + int alloca_reg; /* alloca register number (frame ptr) */ + char frameless; /* true if frameless functions. */ + char nosavedpc; /* true if pc not saved. */ +}; + +void +function_frame_info PARAMS ((CORE_ADDR, struct aix_framedata *)); + +/* Define the byte order of the machine. */ + +#define TARGET_BYTE_ORDER BIG_ENDIAN + +/* AIX's assembler doesn't grok dollar signs in identifiers. + So we use dots instead. This item must be coordinated with G++. */ +#undef CPLUS_MARKER +#define CPLUS_MARKER '.' + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(pc) pc = skip_prologue (pc) + +/* If PC is in some function-call trampoline code, return the PC + where the function itself actually starts. If not, return NULL. */ + +#define SKIP_TRAMPOLINE_CODE(pc) skip_trampoline_code (pc) + +/* When a child process is just starting, we sneak in and relocate + the symbol table (and other stuff) after the dynamic linker has + figured out where they go. But we want to do this relocation just + once. */ + +extern int loadinfotextindex; + +#define SOLIB_CREATE_INFERIOR_HOOK(PID) \ + do { \ + if (loadinfotextindex == 0) \ + xcoff_relocate_symtab (PID); \ + } while (0) + + +/* Number of trap signals we need to skip over, once the inferior process + starts running. */ + +#define START_INFERIOR_TRAPS_EXPECTED 2 + +/* AIX might return a sigtrap, with a "stop after load" status. It should + be ignored by gdb, shouldn't be mixed up with breakpoint traps. */ + +/* Another little glitch in AIX is signal 0. I have no idea why wait(2) + returns with this status word. It looks harmless. */ + +#define SIGTRAP_STOP_AFTER_LOAD(W) \ + if ( (W) == 0x57c || (W) == 0x7f) { \ + if ((W)==0x57c && breakpoints_inserted) { \ + mark_breakpoints_out (); \ + insert_breakpoints (); \ + insert_step_breakpoint (); \ + } \ + resume (0, 0); \ + continue; \ + } + +/* In xcoff, we cannot process line numbers when we see them. This is + mainly because we don't know the boundaries of the include files. So, + we postpone that, and then enter and sort(?) the whole line table at + once, when we are closing the current symbol table in end_symtab(). */ + +#define PROCESS_LINENUMBER_HOOK() aix_process_linenos () + + +/* When a target process or core-file has been attached, we sneak in + and figure out where the shared libraries have got to. In case there + is no inferior_process exists (e.g. bringing up a core file), we can't + attemtp to relocate symbol table, since we don't have information about + load segments. */ + +#define SOLIB_ADD(a, b, c) \ + if (inferior_pid) xcoff_relocate_symtab (inferior_pid) + +/* Immediately after a function call, return the saved pc. + Can't go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) read_register (LR_REGNUM) + +/* Address of end of stack space. */ + +#define STACK_END_ADDR 0x2ff80000 + +/* Stack grows downward. */ + +#define INNER_THAN < + +#if 0 +/* No, we shouldn't use this. push_arguments() should leave stack in a + proper alignment! */ +/* Stack has strict alignment. */ + +#define STACK_ALIGN(ADDR) (((ADDR)+7)&-8) +#endif + +/* This is how argumets pushed onto stack or passed in registers. */ + +#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \ + sp = push_arguments(nargs, args, sp, struct_return, struct_addr) + +/* Sequence of bytes for breakpoint instruction. */ + +#define BREAKPOINT {0x7d, 0x82, 0x10, 0x08} + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. */ +/* Allow any of the return instructions, including a trapv and a return + from interrupt. */ + +#define ABOUT_TO_RETURN(pc) \ + ((read_memory_integer (pc, 4) & 0xfe8007ff) == 0x4e800020) + +/* Return 1 if P points to an invalid floating point value. */ + +#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */ + +/* Largest integer type */ + +#define LONGEST long + +/* Name of the builtin type for the LONGEST type above. */ + +#define BUILTIN_TYPE_LONGEST builtin_type_long + +/* Say how long (ordinary) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ + +#define NUM_REGS 71 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +#define REGISTER_NAMES \ + {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ + "r8", "r9", "r10","r11","r12","r13","r14","r15", \ + "r16","r17","r18","r19","r20","r21","r22","r23", \ + "r24","r25","r26","r27","r28","r29","r30","r31", \ + "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ + "f8", "f9", "f10","f11","f12","f13","f14","f15", \ + "f16","f17","f18","f19","f20","f21","f22","f23", \ + "f24","f25","f26","f27","f28","f29","f30","f31", \ + "pc", "ps", "cnd", "lr", "cnt", "xer", "mq" } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define FP_REGNUM 1 /* Contains address of executing stack frame */ +#define SP_REGNUM 1 /* Contains address of top of stack */ +#define TOC_REGNUM 2 /* TOC register */ +#define FP0_REGNUM 32 /* Floating point register 0 */ +#define GP0_REGNUM 0 /* GPR register 0 */ +#define FP0_REGNUM 32 /* FPR (Floating point) register 0 */ +#define FPLAST_REGNUM 63 /* Last floating point register */ + +/* Special purpose registers... */ +/* P.S. keep these in the same order as in /usr/mstsave.h `mstsave' structure, for + easier processing */ + +#define PC_REGNUM 64 /* Program counter (instruction address %iar) */ +#define PS_REGNUM 65 /* Processor (or machine) status (%msr) */ +#define CR_REGNUM 66 /* Condition register */ +#define LR_REGNUM 67 /* Link register */ +#define CTR_REGNUM 68 /* Count register */ +#define XER_REGNUM 69 /* Fixed point exception registers */ +#define MQ_REGNUM 70 /* Multiply/quotient register */ + +#define FIRST_SP_REGNUM 64 /* first special register number */ +#define LAST_SP_REGNUM 70 /* last special register number */ + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. + + 32 4-byte gpr's + 32 8-byte fpr's + 7 4-byte special purpose registers, + + total 416 bytes. Keep some extra space for now, in case to add more. */ + +#define REGISTER_BYTES 420 + + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) \ + ( \ + ((N) > FPLAST_REGNUM) ? ((((N) - FPLAST_REGNUM -1) * 4) + 384)\ + :((N) >= FP0_REGNUM) ? ((((N) - FP0_REGNUM) * 8) + 128) \ + :((N) * 4) ) + +/* Number of bytes of storage in the actual machine representation + for register N. */ +/* Note that the unsigned cast here forces the result of the + subtractiion to very high positive values if N < FP0_REGNUM */ + +#define REGISTER_RAW_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 32 ? 8 : 4) + +/* Number of bytes of storage in the program's representation + for register N. On the RS6000, all regs are 4 bytes + except the floating point regs which are 8-byte doubles. */ + +#define REGISTER_VIRTUAL_SIZE(N) (((unsigned)(N) - FP0_REGNUM) < 32 ? 8 : 4) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 8 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 8 + +/* convert a dbx stab register number (from `r' declaration) to a gdb REGNUM */ + +#define STAB_REG_TO_REGNUM(value) (value) + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) ((N) >= FP0_REGNUM && (N) <= FPLAST_REGNUM) + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), REGISTER_RAW_SIZE (REGNUM)) + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), REGISTER_RAW_SIZE (REGNUM)) + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) \ + (((unsigned)(N) - FP0_REGNUM) < 32 ? builtin_type_double : builtin_type_int) + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ +/* in RS6000, struct return addresses are passed as an extra parameter in r3. + In function return, callee is not responsible of returning this address back. + Since gdb needs to find it, we will store in a designated variable + `rs6000_struct_return_address'. */ + +extern unsigned int rs6000_struct_return_address; + +#define STORE_STRUCT_RETURN(ADDR, SP) \ + { write_register (3, (ADDR)); \ + rs6000_struct_return_address = (unsigned int)(ADDR); } + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +/* #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy (REGBUF, VALBUF, TYPE_LENGTH (TYPE)) */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + extract_return_value(TYPE,REGBUF,VALBUF) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + { \ + if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ + \ + /* Floating point values are returned starting from FPR1 and up. \ + Say a double_double_double type could be returned in \ + FPR1/FPR2/FPR3 triple. */ \ + \ + write_register_bytes (REGISTER_BYTE (FP0_REGNUM+1), (VALBUF), \ + TYPE_LENGTH (TYPE)); \ + else \ + /* Everything else is returned in GPR3 and up. */ \ + write_register_bytes (REGISTER_BYTE (GP0_REGNUM+3), (VALBUF), \ + TYPE_LENGTH (TYPE)); \ + } + + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) rs6000_struct_return_address + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. */ + +/* In the case of the RS6000, the frame's nominal address + is the address of a 4-byte word containing the calling frame's address. */ + +#define FRAME_CHAIN(thisframe) \ + (!inside_entry_file ((thisframe)->pc) ? \ + read_memory_integer ((thisframe)->frame, 4) :\ + 0) + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ + +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + FRAMELESS = frameless_function_invocation (FI, 0) + +/* Functions calling alloca() change the value of the stack pointer. We + need to use initial stack pointer (which is saved in r31 by gcc) in + such cases. If a compiler emits traceback table, then we should use the + alloca register specified in traceback table. FIXME. */ +/* Also, it is a good idea to cache information about frame's saved registers + in the frame structure to speed things up. See tm-m88k.h. FIXME. */ + +#define EXTRA_FRAME_INFO \ + CORE_ADDR initial_sp; /* initial stack pointer. */ \ + struct frame_saved_regs *cache_fsr; /* saved registers */ + +/* Frameless function invocation in IBM RS/6000 is sometimes + half-done. It perfectly sets up a new frame, e.g. a new frame (in + fact stack) pointer, etc, but it doesn't save the %pc. We call + frameless_function_invocation to tell us how to get the %pc. */ + +#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \ + fi->initial_sp = 0; \ + fi->cache_fsr = 0; + +#define FRAME_SAVED_PC(FRAME) \ + (frameless_function_invocation (FRAME, 1) \ + ? SAVED_PC_AFTER_CALL (FRAME) \ + : read_memory_integer (read_memory_integer ((FRAME)->frame, 4)+8, 4)) + +#define FRAME_ARGS_ADDRESS(FI) \ + (((struct frame_info*)(FI))->initial_sp ? \ + ((struct frame_info*)(FI))->initial_sp : \ + frame_initial_stack_address (FI)) + +#define FRAME_LOCALS_ADDRESS(FI) FRAME_ARGS_ADDRESS(FI) + + +/* Set VAL to the number of args passed to frame described by FI. + Can set VAL to -1, meaning no way to tell. */ + +/* We can't tell how many args there are + now that the C compiler delays popping them. */ + +#define FRAME_NUM_ARGS(val,fi) (val = -1) + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 8 /* Not sure on this. FIXMEmgo */ + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ +/* In the following implementation for RS6000, we did *not* save sp. I am + not sure if it will be needed. The following macro takes care of gpr's + and fpr's only. */ + +#define FRAME_FIND_SAVED_REGS(FRAME_INFO, FRAME_SAVED_REGS) \ +{ \ + int ii; \ + CORE_ADDR frame_addr, func_start; \ + struct aix_framedata fdata; \ + \ + /* find the start of the function and collect info about its frame. */\ + \ + func_start = get_pc_function_start ((FRAME_INFO)->pc) + FUNCTION_START_OFFSET; \ + function_frame_info (func_start, &fdata); \ + bzero (&(FRAME_SAVED_REGS), sizeof (FRAME_SAVED_REGS)); \ + \ + /* if there were any saved registers, figure out parent's stack pointer. */ \ + frame_addr = 0; \ + /* the following is true only if the frame doesn't have a call to alloca(), \ + FIXME. */ \ + if (fdata.saved_fpr >= 0 || fdata.saved_gpr >= 0) { \ + if ((FRAME_INFO)->prev && (FRAME_INFO)->prev->frame) \ + frame_addr = (FRAME_INFO)->prev->frame; \ + else \ + frame_addr = read_memory_integer ((FRAME_INFO)->frame, 4); \ + } \ + \ + /* if != -1, fdata.saved_fpr is the smallest number of saved_fpr. All fpr's \ + from saved_fpr to fp31 are saved right underneath caller stack pointer, \ + starting from fp31 first. */ \ + \ + if (fdata.saved_fpr >= 0) { \ + for (ii=31; ii >= fdata.saved_fpr; --ii) \ + (FRAME_SAVED_REGS).regs [FP0_REGNUM + ii] = frame_addr - ((32 - ii) * 8); \ + frame_addr -= (32 - fdata.saved_fpr) * 8; \ + } \ + \ + /* if != -1, fdata.saved_gpr is the smallest number of saved_gpr. All gpr's \ + from saved_gpr to gpr31 are saved right under saved fprs, starting \ + from r31 first. */ \ + \ + if (fdata.saved_gpr >= 0) \ + for (ii=31; ii >= fdata.saved_gpr; --ii) \ + (FRAME_SAVED_REGS).regs [ii] = frame_addr - ((32 - ii) * 4); \ +} + + +/* Things needed for making the inferior call functions. */ + +/* Push an empty stack frame, to record the current PC, etc. */ +/* Change these names into rs6k_{push, pop}_frame(). FIXMEmgo. */ + +#define PUSH_DUMMY_FRAME push_dummy_frame () + +/* Discard from the stack the innermost frame, + restoring all saved registers. */ + +#define POP_FRAME pop_frame () + +/* This sequence of words is the instructions: + + mflr r0 // 0x7c0802a6 + // save fpr's + stfd r?, num(r1) // 0xd8010000 there should be 32 of this?? + // save gpr's + stm r0, num(r1) // 0xbc010000 + stu r1, num(r1) // 0x94210000 + + // the function we want to branch might be in a different load + // segment. reset the toc register. Note that the actual toc address + // will be fix by fix_call_dummy () along with function address. + + st r2, 0x14(r1) // 0x90410014 save toc register + liu r2, 0x1234 // 0x3c401234 reset a new toc value 0x12345678 + oril r2, r2,0x5678 // 0x60425678 + + // load absolute address 0x12345678 to r0 + liu r0, 0x1234 // 0x3c001234 + oril r0, r0,0x5678 // 0x60005678 + mtctr r0 // 0x7c0903a6 ctr <- r0 + bctrl // 0x4e800421 jump subroutine 0x12345678 (%ctr) + cror 0xf, 0xf, 0xf // 0x4def7b82 + brpt // 0x7d821008, breakpoint + cror 0xf, 0xf, 0xf // 0x4def7b82 (for 8 byte alignment) + + + We actually start executing by saving the toc register first, since the pushing + of the registers is done by PUSH_DUMMY_FRAME. If this were real code, + the arguments for the function called by the `bctrl' would be pushed + between the `stu' and the `bctrl', and we could allow it to execute through. + But the arguments have to be pushed by GDB after the PUSH_DUMMY_FRAME is done, + and we cannot allow to push the registers again. +*/ + +#define CALL_DUMMY {0x7c0802a6, 0xd8010000, 0xbc010000, 0x94210000, \ + 0x90410014, 0x3c401234, 0x60425678, \ + 0x3c001234, 0x60005678, 0x7c0903a6, 0x4e800421, \ + 0x4def7b82, 0x7d821008, 0x4def7b82 } + + +/* keep this as multiple of 8 (%sp requires 8 byte alignment) */ +#define CALL_DUMMY_LENGTH 56 + +#define CALL_DUMMY_START_OFFSET 16 + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, using_gcc) \ + fix_call_dummy(dummyname, pc, fun, nargs, type) + +/* Flag for machine-specific stuff in shared files. FIXME */ +#define IBM6000_TARGET + +/* RS6000/AIX does not support PT_STEP. Has to be simulated. */ + +#define NO_SINGLE_STEP diff --git a/gdb/config/rs6000/xm-rs6000.h b/gdb/config/rs6000/xm-rs6000.h new file mode 100644 index 0000000..5ee3bdd --- /dev/null +++ b/gdb/config/rs6000/xm-rs6000.h @@ -0,0 +1,109 @@ +/* Parameters for hosting on an RS6000, for GDB, the GNU debugger. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + Contributed by IBM Corporation. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* The following text is taken from config/rs6000.mh: + * # The IBM version of /usr/include/rpc/rpc.h has a bug -- it says + * # `extern fd_set svc_fdset;' without ever defining the type fd_set. + * # Unfortunately this occurs in the vx-share code, which is not configured + * # like the rest of GDB (e.g. it doesn't include "defs.h"). + * # We circumvent this bug by #define-ing fd_set here, but undefining it in + * # the xm-rs6000.h file before ordinary modules try to use it. FIXME, IBM! + * MH_CFLAGS='-Dfd_set=int' + * So, here we do the undefine...which has to occur before we include + * <sys/select.h> below. + */ +#undef fd_set + +#include <sys/select.h> + +/* Big end is at the low address */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +#define HAVE_TERMIO 1 +#define USG 1 +#define HAVE_SIGSETMASK 1 + +/* AIX declares the mem functions differently than defs.h does. AIX is + right, but defs.h works on more old systems. For now, override it. */ + +#define MEM_FNS_DECLARED 1 + +/* This system requires that we open a terminal with O_NOCTTY for it to + not become our controlling terminal. */ + +#define USE_O_NOCTTY + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* Brain death inherited from PC's pervades. */ +#undef NULL +#define NULL 0 + +/* The IBM compiler requires this in order to properly compile alloca(). */ +#pragma alloca + +/* There is no vfork. */ + +#define vfork fork + +/* Setpgrp() takes arguments, unlike ordinary Sys V's. */ + +#define SETPGRP_ARGS 1 + +/* /usr/include/stdlib.h always uses void* and void, + even when __STDC__ isn't defined. */ +#define MALLOC_INCOMPATIBLE +extern void *malloc PARAMS ((size_t size)); +extern void *realloc PARAMS ((void *ptr, size_t size)); +extern void free PARAMS ((void *)); + +/* AIX doesn't have strdup, so we need to declare it for libiberty */ +extern char *strdup PARAMS ((char *)); + +/* Signal handler for SIGWINCH `window size changed'. */ + +#define SIGWINCH_HANDLER aix_resizewindow +extern void aix_resizewindow (); + +/* `lines_per_page' and `chars_per_line' are local to utils.c. Rectify this. */ + +#define SIGWINCH_HANDLER_BODY \ + \ +/* Respond to SIGWINCH `window size changed' signal, and reset GDB's \ + window settings approproatelt. */ \ + \ +void \ +aix_resizewindow () \ +{ \ + int fd = fileno (stdout); \ + if (isatty (fd)) { \ + int val; \ + \ + val = atoi (termdef (fd, 'l')); \ + if (val > 0) \ + lines_per_page = val; \ + val = atoi (termdef (fd, 'c')); \ + if (val > 0) \ + chars_per_line = val; \ + } \ +} diff --git a/gdb/config/sparc/nm-sun4os4.h b/gdb/config/sparc/nm-sun4os4.h new file mode 100644 index 0000000..d871289 --- /dev/null +++ b/gdb/config/sparc/nm-sun4os4.h @@ -0,0 +1,27 @@ +/* Macro definitions for running gdb on a Sun 4 running sunos 4. + Copyright (C) 1989, 1992, Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Do implement the attach and detach commands. */ + +#define ATTACH_DETACH + +/* Override copies of {fetch,store}_inferior_registers in infptrace.c. */ + +#define FETCH_INFERIOR_REGISTERS + diff --git a/gdb/config/sparc/sparc-em.mt b/gdb/config/sparc/sparc-em.mt new file mode 100644 index 0000000..97b2476 --- /dev/null +++ b/gdb/config/sparc/sparc-em.mt @@ -0,0 +1,3 @@ +# Target: SPARC embedded +TDEPFILES= exec.o sparc-tdep.o sparc-pinsn.o +TM_FILE= tm-spc-em.h diff --git a/gdb/config/sparc/sun4os4.mh b/gdb/config/sparc/sun4os4.mh new file mode 100644 index 0000000..7cdb2d0 --- /dev/null +++ b/gdb/config/sparc/sun4os4.mh @@ -0,0 +1,5 @@ +# Host: Sun 4 or Sparcstation, running SunOS 4 +XDEPFILES= ser-bsd.o +XM_FILE= xm-sun4os4.h +NAT_FILE= nm-sun4os4.h +NATDEPFILES= fork-child.o infptrace.o inftarg.o corelow.o sparc-nat.o diff --git a/gdb/config/sparc/sun4os4.mt b/gdb/config/sparc/sun4os4.mt new file mode 100644 index 0000000..39928b8 --- /dev/null +++ b/gdb/config/sparc/sun4os4.mt @@ -0,0 +1,3 @@ +# Target: Sun 4 or Sparcstation, running SunOS 4 +TDEPFILES= exec.o sparc-tdep.o sparc-pinsn.o solib.o +TM_FILE= tm-sun4os4.h diff --git a/gdb/config/sparc/sun4sol2.mh b/gdb/config/sparc/sun4sol2.mh new file mode 100644 index 0000000..394cd4f --- /dev/null +++ b/gdb/config/sparc/sun4sol2.mh @@ -0,0 +1,36 @@ +# Host: Sun 4 or Sparcstation, running Solaris 2 +XDEPFILES= +XM_FILE= xm-sun4sol2.h +NAT_FILE= nm-sysv4.h +NATDEPFILES= corelow.o exec.o solib.o procfs.o fork-child.o +SYSV_DEFINE=-DSYSV +REGEX=regex.o +REGEX1=regex.o + +# We need to find alloca() somewhere. Gcc has one built in, but most other +# compilers don't. Using the one in /usr/ucblib/libucb.a is tricky because +# we have to be careful not to pull in anything else from the library (lots +# of things are broken in most SVR4 versions). The best solution is to just +# compile alloca.c and link it into the executable. If we end up not needing +# it, then the code is just dead. Once alloca.c moves to libiberty, then we +# can eliminate this semi-kludge. +####ALLOCA=alloca.o +####ALLOCA1=alloca.o + +# SVR4 comes standard with terminfo, and in some implementations, the +# old termcap descriptions are incomplete. So ensure that we use the +# new terminfo interface and latest terminal descriptions. +TERMCAP=-ltermlib + +# Solaris-2 makes `install' optional in the Berkeley compatability pkg. +# cp will do fine. +INSTALL = cp + +# If you are compiling with Sun's compiler, add the -xs option to CC +# (e.g. `make CC="cc -xs"'). +# Sun's compilers require the -xs option to produce debug information +# in the final linked executable. Otherwise they leave it in the .o +# files only, with undocumented pointers to it in the linked executable. +# This is commented out because we don't assume that the Sun compiler +# is in use. +#MH_CFLAGS=-xs diff --git a/gdb/config/sparc/sun4sol2.mt b/gdb/config/sparc/sun4sol2.mt new file mode 100644 index 0000000..99eb7ae --- /dev/null +++ b/gdb/config/sparc/sun4sol2.mt @@ -0,0 +1,3 @@ +# Target: Sun 4 or Sparcstation, running Solaris 2 +TDEPFILES= sparc-tdep.o sparc-pinsn.o +TM_FILE= tm-sun4sol2.h diff --git a/gdb/config/sparc/tm-sparc.h b/gdb/config/sparc/tm-sparc.h new file mode 100644 index 0000000..9dcc7a4 --- /dev/null +++ b/gdb/config/sparc/tm-sparc.h @@ -0,0 +1,586 @@ +/* Target machine sub-parameters for SPARC, for GDB, the GNU debugger. + This is included by other tm-*.h files to define SPARC cpu-related info. + Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc. + Contributed by Michael Tiemann (tiemann@mcc.com) + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define TARGET_BYTE_ORDER BIG_ENDIAN + +/* Floating point is IEEE compatible. */ +#define IEEE_FLOAT + +/* When passing a structure to a function, Sun cc passes the address + in a register, not the structure itself. It (under SunOS4) creates + two symbols, so we get a LOC_ARG saying the address is on the stack + (a lie, and a serious one since we don't know which register to + use), and a LOC_REGISTER saying that the struct is in a register + (sort of a lie, but fixable with REG_STRUCT_HAS_ADDR). Gcc version + two (as of 1.92) behaves like sun cc. REG_STRUCT_HAS_ADDR is smart + enough to distinguish between Sun cc, gcc version 1 and gcc version 2. + + This still doesn't work if the argument is not one passed in a + register (i.e. it's the 7th or later argument). */ +#define REG_STRUCT_HAS_ADDR(gcc_p) (gcc_p != 1) +#define STRUCT_ARG_SYM_GARBAGE(gcc_p) (gcc_p != 1) + +/* If Pcc says that a parameter is a short, it's a short. This is + because the parameter does get passed in in a register as an int, + but pcc puts it onto the stack frame as a short (not nailing + whatever else might be there. I'm not sure that I consider this + swift. Sigh.) + + No, don't do this. The problem here is that pcc says that the + argument is in the upper half of the word reserved on the stack, + but puts it in the lower half. */ +/* #define BELIEVE_PCC_PROMOTION 1 */ +/* OK, I've added code to dbxread.c to deal with this case. */ +#define BELIEVE_PCC_PROMOTION_TYPE + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. SKIP_PROLOGUE_FRAMELESS_P advances + the PC past some of the prologue, but stops as soon as it + knows that the function has a frame. Its result is equal + to its input PC if the function is frameless, unequal otherwise. */ + +#define SKIP_PROLOGUE(pc) \ + { pc = skip_prologue (pc, 0); } +#define SKIP_PROLOGUE_FRAMELESS_P(pc) \ + { pc = skip_prologue (pc, 1); } +extern CORE_ADDR skip_prologue (); + +/* Immediately after a function call, return the saved pc. + Can't go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +/* On the Sun 4 under SunOS, the compile will leave a fake insn which + encodes the structure size being returned. If we detect such + a fake insn, step past it. */ + +#define PC_ADJUST(pc) sparc_pc_adjust(pc) +extern CORE_ADDR sparc_pc_adjust(); + +#define SAVED_PC_AFTER_CALL(frame) PC_ADJUST (read_register (RP_REGNUM)) + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Stack has strict alignment. */ + +#define STACK_ALIGN(ADDR) (((ADDR)+7)&-8) + +/* Sequence of bytes for breakpoint instruction. */ + +#define BREAKPOINT {0x91, 0xd0, 0x20, 0x01} + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. */ +/* For SPARC, this is either a "jmpl %o7+8,%g0" or "jmpl %i7+8,%g0". + + Note: this does not work for functions returning structures under SunOS. */ +#define ABOUT_TO_RETURN(pc) \ + ((read_memory_integer (pc, 4)|0x00040000) == 0x81c7e008) + +/* Return 1 if P points to an invalid floating point value. */ + +#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */ + +/* Say how long (ordinary) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ + +#define NUM_REGS 72 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +#define REGISTER_NAMES \ +{ "g0", "g1", "g2", "g3", "g4", "g5", "g6", "g7", \ + "o0", "o1", "o2", "o3", "o4", "o5", "sp", "o7", \ + "l0", "l1", "l2", "l3", "l4", "l5", "l6", "l7", \ + "i0", "i1", "i2", "i3", "i4", "i5", "fp", "i7", \ + \ + "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ + "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ + "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \ + "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \ + \ + "y", "psr", "wim", "tbr", "pc", "npc", "fpsr", "cpsr" } + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define G0_REGNUM 0 /* %g0 */ +#define G1_REGNUM 1 /* %g1 */ +#define O0_REGNUM 8 /* %o0 */ +#define SP_REGNUM 14 /* Contains address of top of stack, \ + which is also the bottom of the frame. */ +#define RP_REGNUM 15 /* Contains return address value, *before* \ + any windows get switched. */ +#define O7_REGNUM 15 /* Last local reg not saved on stack frame */ +#define L0_REGNUM 16 /* First local reg that's saved on stack frame + rather than in machine registers */ +#define I0_REGNUM 24 /* %i0 */ +#define FP_REGNUM 30 /* Contains address of executing stack frame */ +#define I7_REGNUM 31 /* Last local reg saved on stack frame */ +#define FP0_REGNUM 32 /* Floating point register 0 */ +#define Y_REGNUM 64 /* Temp register for multiplication, etc. */ +#define PS_REGNUM 65 /* Contains processor status */ +#define WIM_REGNUM 66 /* Window Invalid Mask (not really supported) */ +#define TBR_REGNUM 67 /* Trap Base Register (not really supported) */ +#define PC_REGNUM 68 /* Contains program counter */ +#define NPC_REGNUM 69 /* Contains next PC */ +#define FPS_REGNUM 70 /* Floating point status register */ +#define CPS_REGNUM 71 /* Coprocessor status register */ + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +#define REGISTER_BYTES (32*4+32*4+8*4) + +/* Index within `registers' of the first byte of the space for + register N. */ +/* ?? */ +#define REGISTER_BYTE(N) ((N)*4) + +/* The SPARC processor has register windows. */ + +#define HAVE_REGISTER_WINDOWS + +/* Is this register part of the register window system? A yes answer + implies that 1) The name of this register will not be the same in + other frames, and 2) This register is automatically "saved" (out + registers shifting into ins counts) upon subroutine calls and thus + there is no need to search more than one stack frame for it. */ + +#define REGISTER_IN_WINDOW_P(regnum) \ + ((regnum) >= 8 && (regnum) < 32) + + + +/* Number of bytes of storage in the actual machine representation + for register N. */ + +/* On the SPARC, all regs are 4 bytes. */ + +#define REGISTER_RAW_SIZE(N) (4) + +/* Number of bytes of storage in the program's representation + for register N. */ + +/* On the SPARC, all regs are 4 bytes. */ + +#define REGISTER_VIRTUAL_SIZE(N) (4) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 8 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 8 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) (0) + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ +{ memcpy ((TO), (FROM), 4); } + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ +{ memcpy ((TO), (FROM), 4); } + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) \ + ((N) < 32 ? builtin_type_int : (N) < 64 ? builtin_type_float : \ + builtin_type_int) + +/* Writing to %g0 is a noop (not an error or exception or anything like + that, however). */ + +#define CANNOT_STORE_REGISTER(regno) ((regno) == G0_REGNUM) + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +#define STORE_STRUCT_RETURN(ADDR, SP) \ + { target_write_memory ((SP)+(16*4), (char *)&(ADDR), 4); } + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + { \ + if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ + { \ + memcpy ((VALBUF), ((int *)(REGBUF))+FP0_REGNUM, TYPE_LENGTH(TYPE));\ + } \ + else \ + memcpy ((VALBUF), \ + (char *)(REGBUF) + 4 * 8 + \ + (TYPE_LENGTH(TYPE) >= 4 ? 0 : 4 - TYPE_LENGTH(TYPE)), \ + TYPE_LENGTH(TYPE)); \ + } + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ +/* On sparc, values are returned in register %o0. */ +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + { \ + if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ + /* Floating-point values are returned in the register pair */ \ + /* formed by %f0 and %f1 (doubles are, anyway). */ \ + write_register_bytes (REGISTER_BYTE (FP0_REGNUM), (VALBUF), \ + TYPE_LENGTH (TYPE)); \ + else \ + /* Other values are returned in register %o0. */ \ + write_register_bytes (REGISTER_BYTE (O0_REGNUM), (VALBUF), \ + TYPE_LENGTH (TYPE)); \ + } + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ + (sparc_extract_struct_value_address (REGBUF)) + +extern CORE_ADDR +sparc_extract_struct_value_address PARAMS ((char [REGISTER_BYTES])); + + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. */ + +/* In the case of the Sun 4, the frame-chain's nominal address + is held in the frame pointer register. + + On the Sun4, the frame (in %fp) is %sp for the previous frame. + From the previous frame's %sp, we can find the previous frame's + %fp: it is in the save area just above the previous frame's %sp. + + If we are setting up an arbitrary frame, we'll need to know where + it ends. Hence the following. This part of the frame cache + structure should be checked before it is assumed that this frame's + bottom is in the stack pointer. + + If there isn't a frame below this one, the bottom of this frame is + in the stack pointer. + + If there is a frame below this one, and the frame pointers are + identical, it's a leaf frame and the bottoms are the same also. + + Otherwise the bottom of this frame is the top of the next frame. */ + +#define EXTRA_FRAME_INFO FRAME_ADDR bottom; +#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) \ + (fci)->bottom = \ + ((fci)->next ? \ + ((fci)->frame == (fci)->next_frame ? \ + (fci)->next->bottom : (fci)->next->frame) : \ + read_register (SP_REGNUM)); + +#define FRAME_CHAIN(thisframe) (sparc_frame_chain (thisframe)) +CORE_ADDR sparc_frame_chain (); + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + (FRAMELESS) = frameless_look_for_prologue(FI) + +/* Where is the PC for a specific frame */ + +#define FRAME_SAVED_PC(FRAME) frame_saved_pc (FRAME) +CORE_ADDR frame_saved_pc (); + +/* If the argument is on the stack, it will be here. */ +#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) + +#define FRAME_STRUCT_ARGS_ADDRESS(fi) ((fi)->frame) + +#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) + +/* Set VAL to the number of args passed to frame described by FI. + Can set VAL to -1, meaning no way to tell. */ + +/* We can't tell how many args there are + now that the C compiler delays popping them. */ +#define FRAME_NUM_ARGS(val,fi) (val = -1) + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 68 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + The actual code is in sparc-tdep.c so we can debug it sanely. */ + +#define FRAME_FIND_SAVED_REGS(fi, frame_saved_regs) \ + sparc_frame_find_saved_regs ((fi), &(frame_saved_regs)) +extern void sparc_frame_find_saved_regs (); + +/* Things needed for making the inferior call functions. */ +/* + * First of all, let me give my opinion of what the DUMMY_FRAME + * actually looks like. + * + * | | + * | | + * + - - - - - - - - - - - - - - - - +<-- fp (level 0) + * | | + * | | + * | | + * | | + * | Frame of innermost program | + * | function | + * | | + * | | + * | | + * | | + * | | + * |---------------------------------|<-- sp (level 0), fp (c) + * | | + * DUMMY | fp0-31 | + * | | + * | ------ |<-- fp - 0x80 + * FRAME | g0-7 |<-- fp - 0xa0 + * | i0-7 |<-- fp - 0xc0 + * | other |<-- fp - 0xe0 + * | ? | + * | ? | + * |---------------------------------|<-- sp' = fp - 0x140 + * | | + * xcution start | | + * sp' + 0x94 -->| CALL_DUMMY (x code) | + * | | + * | | + * |---------------------------------|<-- sp'' = fp - 0x200 + * | align sp to 8 byte boundary | + * | ==> args to fn <== | + * Room for | | + * i & l's + agg | CALL_DUMMY_STACK_ADJUST = 0x0x44| + * |---------------------------------|<-- final sp (variable) + * | | + * | Where function called will | + * | build frame. | + * | | + * | | + * + * I understand everything in this picture except what the space + * between fp - 0xe0 and fp - 0x140 is used for. Oh, and I don't + * understand why there's a large chunk of CALL_DUMMY that never gets + * executed (its function is superceeded by PUSH_DUMMY_FRAME; they + * are designed to do the same thing). + * + * PUSH_DUMMY_FRAME saves the registers above sp' and pushes the + * register file stack down one. + * + * call_function then writes CALL_DUMMY, pushes the args onto the + * stack, and adjusts the stack pointer. + * + * run_stack_dummy then starts execution (in the middle of + * CALL_DUMMY, as directed by call_function). + */ + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME sparc_push_dummy_frame () +#define POP_FRAME sparc_pop_frame () + +void sparc_push_dummy_frame (), sparc_pop_frame (); +/* This sequence of words is the instructions + + save %sp,-0x140,%sp + std %f30,[%fp-0x08] + std %f28,[%fp-0x10] + std %f26,[%fp-0x18] + std %f24,[%fp-0x20] + std %f22,[%fp-0x28] + std %f20,[%fp-0x30] + std %f18,[%fp-0x38] + std %f16,[%fp-0x40] + std %f14,[%fp-0x48] + std %f12,[%fp-0x50] + std %f10,[%fp-0x58] + std %f8,[%fp-0x60] + std %f6,[%fp-0x68] + std %f4,[%fp-0x70] + std %f2,[%fp-0x78] + std %f0,[%fp-0x80] + std %g6,[%fp-0x88] + std %g4,[%fp-0x90] + std %g2,[%fp-0x98] + std %g0,[%fp-0xa0] + std %i6,[%fp-0xa8] + std %i4,[%fp-0xb0] + std %i2,[%fp-0xb8] + std %i0,[%fp-0xc0] + nop ! stcsr [%fp-0xc4] + nop ! stfsr [%fp-0xc8] + nop ! wr %npc,[%fp-0xcc] + nop ! wr %pc,[%fp-0xd0] + rd %tbr,%o0 + st %o0,[%fp-0xd4] + rd %wim,%o1 + st %o0,[%fp-0xd8] + rd %psr,%o0 + st %o0,[%fp-0xdc] + rd %y,%o0 + st %o0,[%fp-0xe0] + + /..* The arguments are pushed at this point by GDB; + no code is needed in the dummy for this. + The CALL_DUMMY_START_OFFSET gives the position of + the following ld instruction. *../ + + ld [%sp+0x58],%o5 + ld [%sp+0x54],%o4 + ld [%sp+0x50],%o3 + ld [%sp+0x4c],%o2 + ld [%sp+0x48],%o1 + call 0x00000000 + ld [%sp+0x44],%o0 + nop + ta 1 + nop + + note that this is 192 bytes, which is a multiple of 8 (not only 4) bytes. + note that the `call' insn is a relative, not an absolute call. + note that the `nop' at the end is needed to keep the trap from + clobbering things (if NPC pointed to garbage instead). + +We actually start executing at the `sethi', since the pushing of the +registers (as arguments) is done by PUSH_DUMMY_FRAME. If this were +real code, the arguments for the function called by the CALL would be +pushed between the list of ST insns and the CALL, and we could allow +it to execute through. But the arguments have to be pushed by GDB +after the PUSH_DUMMY_FRAME is done, and we cannot allow these ST +insns to be performed again, lest the registers saved be taken for +arguments. */ + +#define CALL_DUMMY { 0x9de3bee0, 0xfd3fbff8, 0xf93fbff0, 0xf53fbfe8, \ + 0xf13fbfe0, 0xed3fbfd8, 0xe93fbfd0, 0xe53fbfc8, \ + 0xe13fbfc0, 0xdd3fbfb8, 0xd93fbfb0, 0xd53fbfa8, \ + 0xd13fbfa0, 0xcd3fbf98, 0xc93fbf90, 0xc53fbf88, \ + 0xc13fbf80, 0xcc3fbf78, 0xc83fbf70, 0xc43fbf68, \ + 0xc03fbf60, 0xfc3fbf58, 0xf83fbf50, 0xf43fbf48, \ + 0xf03fbf40, 0x01000000, 0x01000000, 0x01000000, \ + 0x01000000, 0x91580000, 0xd027bf50, 0x93500000, \ + 0xd027bf4c, 0x91480000, 0xd027bf48, 0x91400000, \ + 0xd027bf44, 0xda03a058, 0xd803a054, 0xd603a050, \ + 0xd403a04c, 0xd203a048, 0x40000000, 0xd003a044, \ + 0x01000000, 0x91d02001, 0x01000000, 0x01000000} + +#define CALL_DUMMY_LENGTH 192 + +#define CALL_DUMMY_START_OFFSET 148 + +#define CALL_DUMMY_STACK_ADJUST 68 + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. + + For structs and unions, if the function was compiled with Sun cc, + it expects 'unimp' after the call. But gcc doesn't use that + (twisted) convention. So leave a nop there for gcc (FIX_CALL_DUMMY + can assume it is operating on a pristine CALL_DUMMY, not one that + has already been customized for a different function). */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ +{ \ + *(int *)((char *) dummyname+168) = (0x40000000|((fun-(pc+168))>>2)); \ + if (!gcc_p \ + && (TYPE_CODE (type) == TYPE_CODE_STRUCT \ + || TYPE_CODE (type) == TYPE_CODE_UNION)) \ + *(int *)((char *) dummyname+176) = (TYPE_LENGTH (type) & 0x1fff); \ +} + + +/* Sparc has no reliable single step ptrace call */ + +#define NO_SINGLE_STEP 1 +extern void single_step (); + +/* We need more arguments in a frame specification for the + "frame" or "info frame" command. */ + +#define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv) +/* FIXME: Depends on equivalence between FRAME and "struct frame_info *", + and equivalence between CORE_ADDR and FRAME_ADDR. */ +extern struct frame_info *setup_arbitrary_frame PARAMS ((int, CORE_ADDR *)); + +/* To print every pair of float registers as a double, we use this hook. */ + +#define PRINT_REGISTER_HOOK(regno) \ + if (((regno) >= FP0_REGNUM) \ + && ((regno) < FP0_REGNUM + 32) \ + && (0 == (regno & 1))) { \ + char doublereg[8]; /* two float regs */ \ + if (!read_relative_register_raw_bytes (i , doublereg ) \ + && !read_relative_register_raw_bytes (i+1, doublereg+4)) { \ + printf("\t"); \ + print_floating (doublereg, builtin_type_double, stdout); \ + } \ + } + +/* Optimization for storing registers to the inferior. The hook + DO_DEFERRED_STORES + actually executes any deferred stores. It is called any time + we are going to proceed the child, or read its registers. + The hook CLEAR_DEFERRED_STORES is called when we want to throw + away the inferior process, e.g. when it dies or we kill it. + FIXME, this does not handle remote debugging cleanly. */ + +extern int deferred_stores; +#define DO_DEFERRED_STORES \ + if (deferred_stores) \ + target_store_registers (-2); +#define CLEAR_DEFERRED_STORES \ + deferred_stores = 0; diff --git a/gdb/config/sparc/tm-spc-em.h b/gdb/config/sparc/tm-spc-em.h new file mode 100644 index 0000000..4818ebb --- /dev/null +++ b/gdb/config/sparc/tm-spc-em.h @@ -0,0 +1,46 @@ +/* Target machine definitions for GDB for an embedded SPARC. + Copyright 1989, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "sparc/tm-sparc.h" + +/* Offsets into jmp_buf. Not defined by Sun, but at least documented in a + comment in <machine/setjmp.h>! */ + +#define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */ + +#define JB_ONSSTACK 0 +#define JB_SIGMASK 1 +#define JB_SP 2 +#define JB_PC 3 +#define JB_NPC 4 +#define JB_PSR 5 +#define JB_G1 6 +#define JB_O0 7 +#define JB_WBCNT 8 + +/* Figure out where the longjmp will land. We expect that we have just entered + longjmp and haven't yet setup the stack frame, so the args are still in the + output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we + extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +extern int +get_longjmp_target PARAMS ((CORE_ADDR *)); + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) diff --git a/gdb/config/sparc/tm-sun4os4.h b/gdb/config/sparc/tm-sun4os4.h new file mode 100644 index 0000000..613ed77 --- /dev/null +++ b/gdb/config/sparc/tm-sun4os4.h @@ -0,0 +1,47 @@ +/* Macro definitions for GDB for a Sun 4 running sunos 4. + Copyright 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "sparc/tm-sparc.h" +#include "tm-sunos.h" + +/* Offsets into jmp_buf. Not defined by Sun, but at least documented in a + comment in <machine/setjmp.h>! */ + +#define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */ + +#define JB_ONSSTACK 0 +#define JB_SIGMASK 1 +#define JB_SP 2 +#define JB_PC 3 +#define JB_NPC 4 +#define JB_PSR 5 +#define JB_G1 6 +#define JB_O0 7 +#define JB_WBCNT 8 + +/* Figure out where the longjmp will land. We expect that we have just entered + longjmp and haven't yet setup the stack frame, so the args are still in the + output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we + extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +extern int +get_longjmp_target PARAMS ((CORE_ADDR *)); + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) diff --git a/gdb/config/sparc/tm-sun4sol2.h b/gdb/config/sparc/tm-sun4sol2.h new file mode 100644 index 0000000..638d33f --- /dev/null +++ b/gdb/config/sparc/tm-sun4sol2.h @@ -0,0 +1,67 @@ +/* Macro definitions for GDB for a Sun 4 running Solaris 2 + Copyright 1989, 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "sparc/tm-sparc.h" +#include "tm-sysv4.h" + +/* The values of N_SLINE, N_LBRAC, N_RBRAC symbols in .stab sections are + relative to the current function, rather than being absolute or + relative to the current N_SO. */ + +#define BLOCK_ADDRESS_FUNCTION_RELATIVE + +/* Variables in the debug stabs occur after the N_LBRAC, not before it, + in code generated by Sun C. */ + +#define VARIABLES_INSIDE_BLOCK(desc, gcc_p) (!(gcc_p)) + +/* There's no need to correct LBRAC entries by guessing how they should + work. In fact, this is harmful because the LBRAC entries now all appear + at the end of the function, not intermixed with the SLINE entries. */ + +#define SUN_FIXED_LBRAC_BUG + +#if 0 /* FIXME Setjmp/longjmp are not as well doc'd in SunOS 5.x yet */ + +/* Offsets into jmp_buf. Not defined by Sun, but at least documented in a + comment in <machine/setjmp.h>! */ + +#define JB_ELEMENT_SIZE 4 /* Size of each element in jmp_buf */ + +#define JB_ONSSTACK 0 +#define JB_SIGMASK 1 +#define JB_SP 2 +#define JB_PC 3 +#define JB_NPC 4 +#define JB_PSR 5 +#define JB_G1 6 +#define JB_O0 7 +#define JB_WBCNT 8 + +/* Figure out where the longjmp will land. We expect that we have just entered + longjmp and haven't yet setup the stack frame, so the args are still in the + output regs. %o0 (O0_REGNUM) points at the jmp_buf structure from which we + extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +extern int +get_longjmp_target PARAMS ((CORE_ADDR *)); + +#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR) +#endif /* 0 */ diff --git a/gdb/config/sparc/xm-sparc.h b/gdb/config/sparc/xm-sparc.h new file mode 100644 index 0000000..9fc068f --- /dev/null +++ b/gdb/config/sparc/xm-sparc.h @@ -0,0 +1,38 @@ +/* Parameters for execution on a Sun 4, for GDB, the GNU debugger. + Copyright 1986, 1987, 1989, 1991, 1992 Free Software Foundation, Inc. + Contributed by Michael Tiemann (tiemann@mcc.com). + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER BIG_ENDIAN + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* Enable use of alternate code for Sun's format of core dump file. */ + +#define NEW_SUN_CORE + +/* Before storing, we need to read all the registers. */ + +#define CHILD_PREPARE_TO_STORE() read_register_bytes (0, NULL, REGISTER_BYTES) + +/* It does have a wait structure, and it might help things out . . . */ + +#define HAVE_WAIT_STRUCT + diff --git a/gdb/config/sparc/xm-sun4os4.h b/gdb/config/sparc/xm-sun4os4.h new file mode 100644 index 0000000..a532f6e --- /dev/null +++ b/gdb/config/sparc/xm-sun4os4.h @@ -0,0 +1,53 @@ +/* Macro definitions for running gdb on a Sun 4 running sunos 4. + Copyright (C) 1989, Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#include "sparc/xm-sparc.h" +#define FPU + +/* Large alloca's fail because the attempt to increase the stack limit in + main() fails because shared libraries are allocated just below the initial + stack limit. The SunOS kernel will not allow the stack to grow into + the area occupied by the shared libraries. Sun knows about this bug + but has no obvious fix for it. */ +#define BROKEN_LARGE_ALLOCA + +/* SunOS 4.x has memory mapped files. */ + +#define HAVE_MMAP + +/* If you expect to use the mmalloc package to obtain mapped symbol files, + for now you have to specify some parameters that determine how gdb places + the mappings in it's address space. See the comments in map_to_address() + for details. This is expected to only be a short term solution. Yes it + is a kludge. + FIXME: Make this more automatic. */ + +#define MMAP_BASE_ADDRESS 0xE0000000 /* First mapping here */ +#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */ + +/* /usr/include/malloc.h defines these w/o prototypes (and uses + char * instead of void *). */ +#define MALLOC_INCOMPATIBLE +extern char* malloc PARAMS (()); +extern char* realloc PARAMS (()); +extern void free PARAMS (()); + +/* SunOS 4.x uses nonstandard "char *" as type of third argument to ptrace() */ + +#define PTRACE_ARG3_TYPE char* diff --git a/gdb/config/sparc/xm-sun4sol2.h b/gdb/config/sparc/xm-sun4sol2.h new file mode 100644 index 0000000..0ec436f --- /dev/null +++ b/gdb/config/sparc/xm-sun4sol2.h @@ -0,0 +1,67 @@ +/* Macro definitions for running gdb on a Sun 4 running Solaris 2. + Copyright 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* Most of what we know is generic to SPARC hosts. */ + +#include "sparc/xm-sparc.h" + +/* Pick up more stuff from the generic SVR4 host include file. */ + +#include "xm-sysv4.h" + +/* SVR4's can't seem to agree on what to call the type that contains the + general registers. Kludge around it with a #define. */ + +#define gregset_t prgregset_t +#define fpregset_t prfpregset_t + +/* The native Sun compiler complains about using volatile + to indicate functions that never return. So shut it up by simply + defining away "NORETURN", which is normally defined to "volatile". */ + +#ifndef __GNUC__ +# define NORETURN /**/ +#endif + +/* Large alloca's fail because the attempt to increase the stack limit in + main() fails because shared libraries are allocated just below the initial + stack limit. The SunOS kernel will not allow the stack to grow into + the area occupied by the shared libraries. Sun knows about this bug + but has no obvious fix for it. */ +#define BROKEN_LARGE_ALLOCA + +/* If you expect to use the mmalloc package to obtain mapped symbol files, + for now you have to specify some parameters that determine how gdb places + the mappings in it's address space. See the comments in map_to_address() + for details. This is expected to only be a short term solution. Yes it + is a kludge. + FIXME: Make this more automatic. */ + +#define MMAP_BASE_ADDRESS 0xE0000000 /* First mapping here */ +#define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */ + +/* These are not currently used in SVR4 (but should be, FIXME!). */ +#undef DO_DEFERRED_STORES +#undef CLEAR_DEFERRED_STORES + +/* May be needed, may be not? From Pace Willisson's port. FIXME. */ +#define NEED_POSIX_SETPGID + +/* Solaris PSRVADDR support does not seem to include a place for nPC. */ +#define PRSVADDR_BROKEN diff --git a/gdb/config/vax/nm-vax.h b/gdb/config/vax/nm-vax.h new file mode 100644 index 0000000..efbfd02 --- /dev/null +++ b/gdb/config/vax/nm-vax.h @@ -0,0 +1,28 @@ +/* Common definitions for GDB native support on Vaxen under 4.2bsd and Ultrix. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define REGISTER_U_ADDR(addr, blockend, regno) \ +{ addr = blockend - 0110 + regno * 4; \ + if (regno == PC_REGNUM) addr = blockend - 8; \ + if (regno == PS_REGNUM) addr = blockend - 4; \ + if (regno == FP_REGNUM) addr = blockend - 0120; \ + if (regno == AP_REGNUM) addr = blockend - 0124; \ + if (regno == SP_REGNUM) addr = blockend - 20; } + + diff --git a/gdb/config/vax/tm-vax.h b/gdb/config/vax/tm-vax.h new file mode 100644 index 0000000..8631e04 --- /dev/null +++ b/gdb/config/vax/tm-vax.h @@ -0,0 +1,356 @@ +/* Definitions to make GDB run on a vax under 4.2bsd. + Copyright 1986, 1987, 1989, 1991, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +/* There is one known bug with VAX support that I don't know how to + fix: if you do a backtrace from a signal handler, you get something + like: +#0 0xbc in kill (592, 3) +#1 0x7f in hand (...) (...) +#2 0x7fffec7e in ?? (2, 0, 2147478112, 94) + ^^ GDB doesn't know about sigtramp +#3 0x7fffec70 in ?? (592, 2) + ^^^^^^^^^^ wrong address +#4 0xae in main (...) (...) + +when the correct backtrace (as given by adb) is: +_kill(250,3) from _hand+21 +_hand(2,0,7fffea60,5e) from 7fffec7e +sigtramp(2,0,7fffea60,5e) from _kill+4 +_kill(250,2) from _main+2e +_main(1,7fffeac4,7fffeacc) from start+3d + +If anyone knows enough about VAX BSD to fix this, please send the +fix to bug-gdb@prep.ai.mit.edu. */ + +#define TARGET_BYTE_ORDER LITTLE_ENDIAN + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 2 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(pc) \ +{ register int op = (unsigned char) read_memory_integer (pc, 1); \ + if (op == 0x11) pc += 2; /* skip brb */ \ + if (op == 0x31) pc += 3; /* skip brw */ \ + if (op == 0xC2 && \ + ((unsigned char) read_memory_integer (pc+2, 1)) == 0x5E) \ + pc += 3; /* skip subl2 */ \ + if (op == 0x9E && \ + ((unsigned char) read_memory_integer (pc+1, 1)) == 0xAE && \ + ((unsigned char) read_memory_integer(pc+3, 1)) == 0x5E) \ + pc += 4; /* skip movab */ \ + if (op == 0x9E && \ + ((unsigned char) read_memory_integer (pc+1, 1)) == 0xCE && \ + ((unsigned char) read_memory_integer(pc+4, 1)) == 0x5E) \ + pc += 5; /* skip movab */ \ + if (op == 0x9E && \ + ((unsigned char) read_memory_integer (pc+1, 1)) == 0xEE && \ + ((unsigned char) read_memory_integer(pc+6, 1)) == 0x5E) \ + pc += 7; /* skip movab */ \ +} + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) FRAME_SAVED_PC(frame) + +#define TARGET_UPAGES 10 +#define TARGET_NBPG 512 +#define STACK_END_ADDR (0x80000000 - (TARGET_UPAGES * TARGET_NBPG)) + +/* On the VAX, sigtramp is in the u area. Can't check the exact + addresses because for cross-debugging we don't have VAX include + files around. This should be close enough. */ +#define IN_SIGTRAMP(pc, name) ((pc) >= STACK_END_ADDR && (pc < 0x80000000)) + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Sequence of bytes for breakpoint instruction. */ + +#define BREAKPOINT {3} + +/* Amount PC must be decremented by after a breakpoint. + This is often the number of bytes in BREAKPOINT + but not always. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. */ + +#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 04) + +/* Return 1 if P points to an invalid floating point value. + LEN is the length in bytes -- not relevant on the Vax. */ + +#define INVALID_FLOAT(p, len) ((*(short *) p & 0xff80) == 0x8000) + +/* Say how long (ordinary) registers are. */ + +#define REGISTER_TYPE long + +/* Number of machine registers */ + +#define NUM_REGS 17 + +/* Initializer for an array of names of registers. + There should be NUM_REGS strings in this initializer. */ + +#define REGISTER_NAMES {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "ap", "fp", "sp", "pc", "ps"} + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define AP_REGNUM 12 +#define FP_REGNUM 13 /* Contains address of executing stack frame */ +#define SP_REGNUM 14 /* Contains address of top of stack */ +#define PC_REGNUM 15 /* Contains program counter */ +#define PS_REGNUM 16 /* Contains processor status */ + +/* Total amount of space needed to store our copies of the machine's + register state, the array `registers'. */ +#define REGISTER_BYTES (17*4) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N) * 4) + +/* Number of bytes of storage in the actual machine representation + for register N. On the vax, all regs are 4 bytes. */ + +#define REGISTER_RAW_SIZE(N) 4 + +/* Number of bytes of storage in the program's representation + for register N. On the vax, all regs are 4 bytes. */ + +#define REGISTER_VIRTUAL_SIZE(N) 4 + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 4 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 4 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) 0 + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), 4); + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ + bcopy ((FROM), (TO), 4); + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) builtin_type_int + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +#define STORE_STRUCT_RETURN(ADDR, SP) \ + { write_register (1, (ADDR)); } + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy (REGBUF, VALBUF, TYPE_LENGTH (TYPE)) + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) \ + write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) + + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address + and produces the frame's chain-pointer. */ + +/* In the case of the Vax, the frame's nominal address is the FP value, + and 12 bytes later comes the saved previous FP value as a 4-byte word. */ + +#define FRAME_CHAIN(thisframe) \ + (!inside_entry_file ((thisframe)->pc) ? \ + read_memory_integer ((thisframe)->frame + 12, 4) :\ + 0) + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +/* On the vax, all functions have frames. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) {(FRAMELESS) = 0;} + +/* Saved Pc. */ + +#define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 16, 4)) + +/* Cannot find the AP register value directly from the FP value. Must + find it saved in the frame called by this one, or in the AP + register for the innermost frame. However, there is no way to tell + the difference between the innermost frame and a frame for which we + just don't know the frame that it called (e.g. "info frame + 0x7ffec789"). For the sake of argument suppose that the stack is + somewhat trashed (which is one reason that "info frame" exists). + So return 0 (indicating we don't know the address of + the arglist) if we don't know what frame this frame calls. */ +#define FRAME_ARGS_ADDRESS_CORRECT(fi) \ + (((fi)->next_frame \ + ? read_memory_integer ((fi)->next_frame + 8, 4) \ + : /* read_register (AP_REGNUM) */ 0)) + +/* In most of GDB, getting the args address is too important to + just say "I don't know". This is sometimes wrong for functions + that aren't on top of the stack, but c'est la vie. */ +#define FRAME_ARGS_ADDRESS(fi) \ + (((fi)->next_frame \ + ? read_memory_integer ((fi)->next_frame + 8, 4) \ + : read_register (AP_REGNUM) /* 0 */)) + +#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) + +/* Return number of args passed to a frame. + Can return -1, meaning no way to tell. */ + +#define FRAME_NUM_ARGS(numargs, fi) \ +{ numargs = (0xff & read_memory_integer (FRAME_ARGS_ADDRESS (fi), 1)); } + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 4 + +/* Put here the code to store, into a struct frame_saved_regs, + the addresses of the saved registers of frame described by FRAME_INFO. + This includes special registers such as pc and fp saved in special + ways in the stack frame. sp is even more special: + the address we return for it IS the sp for the next frame. */ + +#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ +{ register int regnum; \ + register int regmask = read_memory_integer ((frame_info)->frame+4, 4) >> 16; \ + register CORE_ADDR next_addr; \ + bzero (&frame_saved_regs, sizeof frame_saved_regs); \ + next_addr = (frame_info)->frame + 16; \ + /* Regmask's low bit is for register 0, \ + which is the first one that would be pushed. */ \ + for (regnum = 0; regnum < 12; regnum++, regmask >>= 1) \ + (frame_saved_regs).regs[regnum] = (regmask & 1) ? (next_addr += 4) : 0; \ + (frame_saved_regs).regs[SP_REGNUM] = next_addr + 4; \ + if (read_memory_integer ((frame_info)->frame + 4, 4) & 0x20000000) \ + (frame_saved_regs).regs[SP_REGNUM] += 4 + 4 * read_memory_integer (next_addr + 4, 4); \ + (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 16; \ + (frame_saved_regs).regs[FP_REGNUM] = (frame_info)->frame + 12; \ + (frame_saved_regs).regs[AP_REGNUM] = (frame_info)->frame + 8; \ + (frame_saved_regs).regs[PS_REGNUM] = (frame_info)->frame + 4; \ +} + +/* Things needed for making the inferior call functions. */ + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME \ +{ register CORE_ADDR sp = read_register (SP_REGNUM);\ + register int regnum; \ + sp = push_word (sp, 0); /* arglist */ \ + for (regnum = 11; regnum >= 0; regnum--) \ + sp = push_word (sp, read_register (regnum)); \ + sp = push_word (sp, read_register (PC_REGNUM)); \ + sp = push_word (sp, read_register (FP_REGNUM)); \ + sp = push_word (sp, read_register (AP_REGNUM)); \ + sp = push_word (sp, (read_register (PS_REGNUM) & 0xffef) \ + + 0x2fff0000); \ + sp = push_word (sp, 0); \ + write_register (SP_REGNUM, sp); \ + write_register (FP_REGNUM, sp); \ + write_register (AP_REGNUM, sp + 17 * sizeof (int)); } + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME \ +{ register CORE_ADDR fp = read_register (FP_REGNUM); \ + register int regnum; \ + register int regmask = read_memory_integer (fp + 4, 4); \ + write_register (PS_REGNUM, \ + (regmask & 0xffff) \ + | (read_register (PS_REGNUM) & 0xffff0000)); \ + write_register (PC_REGNUM, read_memory_integer (fp + 16, 4)); \ + write_register (FP_REGNUM, read_memory_integer (fp + 12, 4)); \ + write_register (AP_REGNUM, read_memory_integer (fp + 8, 4)); \ + fp += 16; \ + for (regnum = 0; regnum < 12; regnum++) \ + if (regmask & (0x10000 << regnum)) \ + write_register (regnum, read_memory_integer (fp += 4, 4)); \ + fp = fp + 4 + ((regmask >> 30) & 3); \ + if (regmask & 0x20000000) \ + { regnum = read_memory_integer (fp, 4); \ + fp += (regnum + 1) * 4; } \ + write_register (SP_REGNUM, fp); \ + flush_cached_frames (); \ + set_current_frame (create_new_frame (read_register (FP_REGNUM),\ + read_pc ())); } + +/* This sequence of words is the instructions + calls #69, @#32323232 + bpt + Note this is 8 bytes. */ + +#define CALL_DUMMY {0x329f69fb, 0x03323232} + +#define CALL_DUMMY_START_OFFSET 0 /* Start execution at beginning of dummy */ + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ +{ *((char *) dummyname + 1) = nargs; \ + *(int *)((char *) dummyname + 3) = fun; } diff --git a/gdb/config/vax/vax.mt b/gdb/config/vax/vax.mt new file mode 100644 index 0000000..ca4d36b --- /dev/null +++ b/gdb/config/vax/vax.mt @@ -0,0 +1,3 @@ +# Target: DEC VAX running BSD or Ultrix +TDEPFILES= vax-pinsn.o exec.o +TM_FILE= tm-vax.h diff --git a/gdb/config/vax/vaxbsd.mh b/gdb/config/vax/vaxbsd.mh new file mode 100644 index 0000000..5077a7b --- /dev/null +++ b/gdb/config/vax/vaxbsd.mh @@ -0,0 +1,12 @@ +# Host: DEC VAX running BSD +# The following types of /bin/cc failures have been observed: +# 1. Something in readline.c which I have never seen +# 2. ``"values.c", line 816: compiler error: schain botch'' +#msg /bin/cc has been known to fail on VAXen running BSD4.3 +#msg If this occurs, use gcc +#msg (but see comments in Makefile.dist about compiling with gcc). + +XDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o +REGEX=regex.o +REGEX1=regex.o +XM_FILE= xm-vaxbsd.h diff --git a/gdb/config/vax/vaxult.mh b/gdb/config/vax/vaxult.mh new file mode 100644 index 0000000..7c2fcca --- /dev/null +++ b/gdb/config/vax/vaxult.mh @@ -0,0 +1,8 @@ +# Host: DEC VAX running Ultrix + +XDEPFILES= +REGEX=regex.o +REGEX1=regex.o +XM_FILE= xm-vaxult.h +NAT_FILE= nm-vax.h +NATDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o diff --git a/gdb/config/vax/vaxult2.mh b/gdb/config/vax/vaxult2.mh new file mode 100644 index 0000000..532a4fda --- /dev/null +++ b/gdb/config/vax/vaxult2.mh @@ -0,0 +1,8 @@ +# Host: DEC VAX running Ultrix + +XDEPFILES= +REGEX=regex.o +REGEX1=regex.o +XM_FILE= xm-vaxult2.h +NAT_FILE= nm-vax.h +NATDEPFILES= infptrace.o inftarg.o fork-child.o coredep.o corelow.o diff --git a/gdb/config/vax/xm-vax.h b/gdb/config/vax/xm-vax.h new file mode 100644 index 0000000..3e91b41 --- /dev/null +++ b/gdb/config/vax/xm-vax.h @@ -0,0 +1,85 @@ +/* Common definitions to make GDB run on Vaxen under 4.2bsd and Ultrix. + Copyright (C) 1986, 1987, 1989, 1992 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define HOST_BYTE_ORDER LITTLE_ENDIAN + +/* Get rid of any system-imposed stack limit if possible. */ + +#define SET_STACK_LIMIT_HUGE + +/* This is the amount to subtract from u.u_ar0 + to get the offset in the core file of the register values. */ + +#define KERNEL_U_ADDR (0x80000000 - (UPAGES * NBPG)) + +/* Kernel is a bit tenacious about sharing text segments, disallowing bpts. */ +#define ONE_PROCESS_WRITETEXT + +/* Interface definitions for kernel debugger KDB. */ + +/* Map machine fault codes into signal numbers. + First subtract 0, divide by 4, then index in a table. + Faults for which the entry in this table is 0 + are not handled by KDB; the program's own trap handler + gets to handle then. */ + +#define FAULT_CODE_ORIGIN 0 +#define FAULT_CODE_UNITS 4 +#define FAULT_TABLE \ +{ 0, SIGKILL, SIGSEGV, 0, 0, 0, 0, 0, \ + 0, 0, SIGTRAP, SIGTRAP, 0, 0, 0, 0, \ + 0, 0, 0, 0, 0, 0, 0, 0} + +/* Start running with a stack stretching from BEG to END. + BEG and END should be symbols meaningful to the assembler. + This is used only for kdb. */ + +#define INIT_STACK(beg, end) \ +{ asm (".globl end"); \ + asm ("movl $ end, sp"); \ + asm ("clrl fp"); } + +/* Push the frame pointer register on the stack. */ +#define PUSH_FRAME_PTR \ + asm ("pushl fp"); + +/* Copy the top-of-stack to the frame pointer register. */ +#define POP_FRAME_PTR \ + asm ("movl (sp), fp"); + +/* After KDB is entered by a fault, push all registers + that GDB thinks about (all NUM_REGS of them), + so that they appear in order of ascending GDB register number. + The fault code will be on the stack beyond the last register. */ + +#define PUSH_REGISTERS \ +{ asm ("pushl 8(sp)"); \ + asm ("pushl 8(sp)"); \ + asm ("pushal 0x14(sp)"); \ + asm ("pushr $037777"); } + +/* Assuming the registers (including processor status) have been + pushed on the stack in order of ascending GDB register number, + restore them and return to the address in the saved PC register. */ + +#define POP_REGISTERS \ +{ asm ("popr $037777"); \ + asm ("subl2 $8,(sp)"); \ + asm ("movl (sp),sp"); \ + asm ("rei"); } diff --git a/gdb/config/vax/xm-vaxbsd.h b/gdb/config/vax/xm-vaxbsd.h new file mode 100644 index 0000000..485cbfd --- /dev/null +++ b/gdb/config/vax/xm-vaxbsd.h @@ -0,0 +1,10 @@ +/* Definitions to make GDB run on a vax under 4.2bsd. */ + +/* We have to include these files now, so that GDB will not make + competing definitions in defs.h. */ +#include <machine/endian.h> +#include <machine/limits.h> +#include "vax/xm-vax.h" + +/* In non-ANSI compiles, memcpy and memset are still void *, not char *. */ +#define MEM_FNS_DECLARED diff --git a/gdb/config/vax/xm-vaxult.h b/gdb/config/vax/xm-vaxult.h new file mode 100644 index 0000000..3bc4f27 --- /dev/null +++ b/gdb/config/vax/xm-vaxult.h @@ -0,0 +1,6 @@ +/* Definitions to make GDB run on a vax under Ultrix. */ + +#include "vax/xm-vax.h" +extern char *strdup(); + +#define MEM_FNS_DECLARED diff --git a/gdb/config/vax/xm-vaxult2.h b/gdb/config/vax/xm-vaxult2.h new file mode 100644 index 0000000..5bbed5b --- /dev/null +++ b/gdb/config/vax/xm-vaxult2.h @@ -0,0 +1,7 @@ +/* Definitions to make GDB run on a vax under Ultrix. */ + +#include "vax/xm-vax.h" +extern char *strdup(); + +#define MEM_FNS_DECLARED +#define NO_PTRACE_H diff --git a/gdb/config/z8k/tm-z8k.h b/gdb/config/z8k/tm-z8k.h new file mode 100644 index 0000000..6be9403 --- /dev/null +++ b/gdb/config/z8k/tm-z8k.h @@ -0,0 +1,306 @@ +/* Parameters for execution on a z8000 series machine. + Copyright 1992, 1993 Free Software Foundation, Inc. + +This file is part of GDB. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ + +#define IEEE_FLOAT 1 + +#undef TARGET_INT_BIT +#undef TARGET_LONG_BIT +#undef TARGET_SHORT_BIT +#undef TARGET_PTR_BIT + +#define TARGET_SHORT_BIT 16 +#define TARGET_INT_BIT 16 +#define TARGET_LONG_BIT 32 +#define TARGET_PTR_BIT (BIG ? 32: 16) + +/* Define the bit, byte, and word ordering of the machine. */ +#define TARGET_BYTE_ORDER BIG_ENDIAN + +/* Offset from address of function to start of its code. + Zero on most machines. */ + +#define FUNCTION_START_OFFSET 0 + +/* Advance PC across any function entry prologue instructions + to reach some "real" code. */ + +#define SKIP_PROLOGUE(ip) {(ip) = z8k_skip_prologue(ip);} +extern CORE_ADDR mz8k_skip_prologue PARAMS ((CORE_ADDR ip)); + + +/* Immediately after a function call, return the saved pc. + Can't always go through the frames for this because on some machines + the new frame is not set up until the new function executes + some instructions. */ + +#define SAVED_PC_AFTER_CALL(frame) saved_pc_after_call(frame) + +/* Stack grows downward. */ + +#define INNER_THAN < + +/* Sequence of bytes for breakpoint instruction. */ + +#define BREAKPOINT {0x36,0x00} + +/* If your kernel resets the pc after the trap happens you may need to + define this before including this file. */ + +#define DECR_PC_AFTER_BREAK 0 + +/* Nonzero if instruction at PC is a return instruction. */ +/* Allow any of the return instructions, including a trapv and a return + from interupt. */ + +#define ABOUT_TO_RETURN(pc) about_to_return(pc) + +/* Return 1 if P points to an invalid floating point value. */ + +#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */ + +/* Say how long registers are. */ + +#define REGISTER_TYPE unsigned int + +#define NUM_REGS 23 /* 16 registers + 1 ccr + 1 pc + 3 debug + regs + fake fp + fake sp*/ +#define REGISTER_BYTES (NUM_REGS *4) + +/* Index within `registers' of the first byte of the space for + register N. */ + +#define REGISTER_BYTE(N) ((N)*4) + +/* Number of bytes of storage in the actual machine representation + for register N. On the z8k, all but the pc are 2 bytes, but we + keep them all as 4 bytes and trim them on I/O */ + + +#define REGISTER_RAW_SIZE(N) (((N) < 16)? 2:4) + +/* Number of bytes of storage in the program's representation + for register N. */ + +#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N) + +/* Largest value REGISTER_RAW_SIZE can have. */ + +#define MAX_REGISTER_RAW_SIZE 4 + +/* Largest value REGISTER_VIRTUAL_SIZE can have. */ + +#define MAX_REGISTER_VIRTUAL_SIZE 4 + +/* Nonzero if register N requires conversion + from raw format to virtual format. */ + +#define REGISTER_CONVERTIBLE(N) 0 + +/* Convert data from raw format for register REGNUM + to virtual format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM,FROM,TO) \ + register_convert_to_virtual(REGNUM, FROM, TO) + +/* Convert data from virtual format for register REGNUM + to raw format for register REGNUM. */ + +#define REGISTER_CONVERT_TO_RAW(REGNUM,FROM,TO) \ + register_convert_to_raw(REGNUM, FROM, TO) + +/* Return the GDB type object for the "standard" data type + of data in register N. */ + +#define REGISTER_VIRTUAL_TYPE(N) \ + (REGISTER_VIRTUAL_SIZE(N) == 2? builtin_type_unsigned_int : builtin_type_long) + +/*#define INIT_FRAME_PC(x,y) init_frame_pc(x,y)*/ +/* Initializer for an array of names of registers. + Entries beyond the first NUM_REGS are ignored. */ + +#define REGISTER_NAMES \ + {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ + "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ + "ccr", "pc", "cycles","insts","time","fp","sp"} + +/* Register numbers of various important registers. + Note that some of these values are "real" register numbers, + and correspond to the general registers of the machine, + and some are "phony" register numbers which are too large + to be actual register numbers as far as the user is concerned + but do serve to get the desired values when passed to read_register. */ + +#define CCR_REGNUM 16 /* Contains processor status */ +#define PC_REGNUM 17 /* Contains program counter */ +#define CYCLES_REGNUM 18 +#define INSTS_REGNUM 19 +#define TIME_REGNUM 20 +#define FP_REGNUM 21 /* Contains fp, whatever memory model */ +#define SP_REGNUM 22 /* Conatins sp, whatever memory model */ + + + +#define PTR_SIZE (BIG ? 4: 2) +#define PTR_MASK (BIG ? 0xff00ffff : 0x0000ffff) + +/* Store the address of the place in which to copy the structure the + subroutine will return. This is called from call_function. */ + +#define STORE_STRUCT_RETURN(ADDR, SP) abort(); + +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. This is assuming that floating point values are returned + as doubles in d0/d1. */ + + +#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ + bcopy(REGBUF + REGISTER_BYTE(2), VALBUF, TYPE_LENGTH(TYPE)); + +/* Write into appropriate registers a function return value + of type TYPE, given in virtual format. */ + +#define STORE_RETURN_VALUE(TYPE,VALBUF) abort(); + +/* Extract from an array REGBUF containing the (raw) register state + the address in which a function should return its structure value, + as a CORE_ADDR (or an expression that can be used as one). */ + +#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF)) + +/* Describe the pointer in each stack frame to the previous stack frame + (its caller). */ + +/* FRAME_CHAIN takes a frame's nominal address and produces the frame's + chain-pointer. + In the case of the Z8000, the frame's nominal address + is the address of a ptr sized byte word containing the calling + frame's address. */ + +#define FRAME_CHAIN(thisframe) frame_chain(thisframe); + + + +/* Define other aspects of the stack frame. */ + +/* A macro that tells us whether the function invocation represented + by FI does not have a frame on the stack associated with it. If it + does not, FRAMELESS is set to 1, else 0. */ +#define FRAMELESS_FUNCTION_INVOCATION(FI, FRAMELESS) \ + (FRAMELESS) = frameless_look_for_prologue(FI) + +#define FRAME_SAVED_PC(FRAME) frame_saved_pc(FRAME) + +#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) + +#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) + +/* Set VAL to the number of args passed to frame described by FI. + Can set VAL to -1, meaning no way to tell. */ + +/* We can't tell how many args there are + now that the C compiler delays popping them. */ +#if !defined (FRAME_NUM_ARGS) +#define FRAME_NUM_ARGS(val,fi) (val = -1) +#endif + +/* Return number of bytes at start of arglist that are not really args. */ + +#define FRAME_ARGS_SKIP 8 + + + +/* Things needed for making the inferior call functions. + It seems like every m68k based machine has almost identical definitions + in the individual machine's configuration files. Most other cpu types + (mips, i386, etc) have routines in their *-tdep.c files to handle this + for most configurations. The m68k family should be able to do this as + well. These macros can still be overridden when necessary. */ + +/* The CALL_DUMMY macro is the sequence of instructions, as disassembled + by gdb itself: + + fmovemx fp0-fp7,sp@- 0xf227 0xe0ff + moveml d0-a5,sp@- 0x48e7 0xfffc + clrw sp@- 0x4267 + movew ccr,sp@- 0x42e7 + + /..* The arguments are pushed at this point by GDB; + no code is needed in the dummy for this. + The CALL_DUMMY_START_OFFSET gives the position of + the following jsr instruction. *../ + + jsr @#0x32323232 0x4eb9 0x3232 0x3232 + addal #0x69696969,sp 0xdffc 0x6969 0x6969 + trap #<your BPT_VECTOR number here> 0x4e4? + nop 0x4e71 + + Note this is CALL_DUMMY_LENGTH bytes (28 for the above example). + We actually start executing at the jsr, since the pushing of the + registers is done by PUSH_DUMMY_FRAME. If this were real code, + the arguments for the function called by the jsr would be pushed + between the moveml and the jsr, and we could allow it to execute through. + But the arguments have to be pushed by GDB after the PUSH_DUMMY_FRAME is + done, and we cannot allow the moveml to push the registers again lest + they be taken for the arguments. */ + + +#define CALL_DUMMY { 0 } +#define CALL_DUMMY_LENGTH 24 /* Size of CALL_DUMMY */ +#define CALL_DUMMY_START_OFFSET 8 /* Offset to jsr instruction*/ + + +/* Insert the specified number of args and function address + into a call sequence of the above form stored at DUMMYNAME. + We use the BFD routines to store a big-endian value of known size. */ + +#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ +{ _do_putb32 (fun, (char *) dummyname + CALL_DUMMY_START_OFFSET + 2); \ + _do_putb32 (nargs*4, (char *) dummyname + CALL_DUMMY_START_OFFSET + 8); } + +/* Push an empty stack frame, to record the current PC, etc. */ + +#define PUSH_DUMMY_FRAME { z8k_push_dummy_frame (); } + +extern void z8k_push_dummy_frame PARAMS ((void)); + +extern void z8k_pop_frame PARAMS ((void)); + +/* Discard from the stack the innermost frame, restoring all registers. */ + +#define POP_FRAME { z8k_pop_frame (); } + +/* Offset from SP to first arg on stack at first instruction of a function */ + +#define SP_ARG0 (1 * 4) + +#define ADDR_BITS_REMOVE(x) addr_bits_remove(x) +#define ADDR_BITS_SET(x) addr_bits_set(x) +int z8001_mode; +#define BIG (z8001_mode) + +#define read_memory_short(x) (read_memory_integer(x,2) & 0xffff) + +#define NO_STD_REGS + +#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno) + + +#define INIT_EXTRA_SYMTAB_INFO \ + z8k_set_pointer_size(objfile->obfd->arch_info->bits_per_address); diff --git a/gdb/config/z8k/z8ksim.mt b/gdb/config/z8k/z8ksim.mt new file mode 100644 index 0000000..095dd66 --- /dev/null +++ b/gdb/config/z8k/z8ksim.mt @@ -0,0 +1,3 @@ +# Target: Z8000 simulator +TDEPFILES= exec.o z8k-tdep.o remote-z8k.o ../sim/z8k/libsim.a ../opcodes/libopcodes.a +TM_FILE= tm-z8k.h |