diff options
Diffstat (limited to 'gdb/config/sparc/tm-sparc.h')
| -rw-r--r-- | gdb/config/sparc/tm-sparc.h | 766 |
1 files changed, 0 insertions, 766 deletions
diff --git a/gdb/config/sparc/tm-sparc.h b/gdb/config/sparc/tm-sparc.h deleted file mode 100644 index 8cac258..0000000 --- a/gdb/config/sparc/tm-sparc.h +++ /dev/null @@ -1,766 +0,0 @@ -/* 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, 1994, 1995, 1996, 1997, - 1998, 1999, 2000 - 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "regcache.h" - -struct type; -struct value; -struct frame_info; - -/* - * The following enums are purely for the convenience of the GDB - * developer, when debugging GDB. - */ - -enum { /* Sparc general registers, for all sparc versions. */ - G0_REGNUM, G1_REGNUM, G2_REGNUM, G3_REGNUM, - G4_REGNUM, G5_REGNUM, G6_REGNUM, G7_REGNUM, - O0_REGNUM, O1_REGNUM, O2_REGNUM, O3_REGNUM, - O4_REGNUM, O5_REGNUM, O6_REGNUM, O7_REGNUM, - L0_REGNUM, L1_REGNUM, L2_REGNUM, L3_REGNUM, - L4_REGNUM, L5_REGNUM, L6_REGNUM, L7_REGNUM, - I0_REGNUM, I1_REGNUM, I2_REGNUM, I3_REGNUM, - I4_REGNUM, I5_REGNUM, I6_REGNUM, I7_REGNUM, - FP0_REGNUM /* Floating point register 0 */ -}; - -enum { /* Sparc general registers, alternate names. */ - R0_REGNUM, R1_REGNUM, R2_REGNUM, R3_REGNUM, - R4_REGNUM, R5_REGNUM, R6_REGNUM, R7_REGNUM, - R8_REGNUM, R9_REGNUM, R10_REGNUM, R11_REGNUM, - R12_REGNUM, R13_REGNUM, R14_REGNUM, R15_REGNUM, - R16_REGNUM, R17_REGNUM, R18_REGNUM, R19_REGNUM, - R20_REGNUM, R21_REGNUM, R22_REGNUM, R23_REGNUM, - R24_REGNUM, R25_REGNUM, R26_REGNUM, R27_REGNUM, - R28_REGNUM, R29_REGNUM, R30_REGNUM, R31_REGNUM -}; - -enum { /* Sparc32 control registers. */ - PS_REGNUM = 65, /* PC, NPC, and Y are omitted because */ - WIM_REGNUM = 66, /* they have different values depending on */ - TBR_REGNUM = 67, /* 32-bit / 64-bit mode. */ - FPS_REGNUM = 70, - CPS_REGNUM = 71 -}; - -/* v9 misc. and priv. regs */ - -/* Note: specifying values explicitly for documentation purposes. */ -enum { /* Sparc64 control registers, excluding Y, PC, and NPC. */ - CCR_REGNUM = 82, /* Condition Code Register (%xcc,%icc) */ - FSR_REGNUM = 83, /* Floating Point State */ - FPRS_REGNUM = 84, /* Floating Point Registers State */ - ASI_REGNUM = 86, /* Alternate Space Identifier */ - VER_REGNUM = 87, /* Version register */ - TICK_REGNUM = 88, /* Tick register */ - PIL_REGNUM = 89, /* Processor Interrupt Level */ - PSTATE_REGNUM = 90, /* Processor State */ - TSTATE_REGNUM = 91, /* Trap State */ - TBA_REGNUM = 92, /* Trap Base Address */ - TL_REGNUM = 93, /* Trap Level */ - TT_REGNUM = 94, /* Trap Type */ - TPC_REGNUM = 95, /* Trap pc */ - TNPC_REGNUM = 96, /* Trap npc */ - WSTATE_REGNUM = 97, /* Window State */ - CWP_REGNUM = 98, /* Current Window Pointer */ - CANSAVE_REGNUM = 99, /* Savable Windows */ - CANRESTORE_REGNUM = 100, /* Restorable Windows */ - CLEANWIN_REGNUM = 101, /* Clean Windows */ - OTHERWIN_REGNUM = 102, /* Other Windows */ - ASR16_REGNUM = 103, /* Ancillary State Registers */ - ASR17_REGNUM = 104, - ASR18_REGNUM = 105, - ASR19_REGNUM = 106, - ASR20_REGNUM = 107, - ASR21_REGNUM = 108, - ASR22_REGNUM = 109, - ASR23_REGNUM = 110, - ASR24_REGNUM = 111, - ASR25_REGNUM = 112, - ASR26_REGNUM = 113, - ASR27_REGNUM = 114, - ASR28_REGNUM = 115, - ASR29_REGNUM = 116, - ASR30_REGNUM = 117, - ASR31_REGNUM = 118, - ICC_REGNUM = 119, /* 32 bit condition codes */ - XCC_REGNUM = 120, /* 64 bit condition codes */ - FCC0_REGNUM = 121, /* fp cc reg 0 */ - FCC1_REGNUM = 122, /* fp cc reg 1 */ - FCC2_REGNUM = 123, /* fp cc reg 2 */ - FCC3_REGNUM = 124 /* fp cc reg 3 */ -}; - -/* - * Make sparc target multi-archable: April 2000 - */ - -#if defined (GDB_MULTI_ARCH) && (GDB_MULTI_ARCH > 0) - -/* Multi-arch definition of TARGET_IS_SPARC64, TARGET_ELF64 */ -#undef GDB_TARGET_IS_SPARC64 -#define GDB_TARGET_IS_SPARC64 \ - (sparc_intreg_size () == 8) -#undef TARGET_ELF64 -#define TARGET_ELF64 \ - (sparc_intreg_size () == 8) -extern int sparc_intreg_size (void); -#else - -/* Non-multi-arch: if it isn't defined, define it to zero. */ -#ifndef GDB_TARGET_IS_SPARC64 -#define GDB_TARGET_IS_SPARC64 0 -#endif -#ifndef TARGET_ELF64 -#define TARGET_ELF64 0 -#endif -#endif - -#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0) -/* - * The following defines must go away for MULTI_ARCH - */ - -/* 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" \ -} - -/* Offset from address of function to start of its code. - Zero on most machines. */ - -#define FUNCTION_START_OFFSET 0 - -/* 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 - -/* Say how long (ordinary) registers are. This is a piece of bogosity - used in push_word and a few other places; REGISTER_RAW_SIZE is the - real way to know how big a register is. */ - -#define REGISTER_SIZE 4 - -/* Number of machine registers */ - -#define NUM_REGS 72 - -#define SP_REGNUM 14 /* Contains address of top of stack, \ - which is also the bottom of the frame. */ -#define FP_REGNUM 30 /* Contains address of executing stack frame */ - -#define FP0_REGNUM 32 /* Floating point register 0 */ - -#define Y_REGNUM 64 /* Temp register for multiplication, etc. */ - -#define PC_REGNUM 68 /* Contains program counter */ - -#define NPC_REGNUM 69 /* Contains next PC */ - - -/* Total amount of space needed to store our copies of the machine's - register state, the array `registers'. On the sparc, `registers' - contains the ins and locals, even though they are saved on the - stack rather than with the other registers, and this causes hair - and confusion in places like pop_frame. It might be better to - remove the ins and locals from `registers', make sure that - get_saved_register can get them from the stack (even in the - innermost frame), and make this the way to access them. For the - frame pointer we would do that via TARGET_READ_FP. On the other - hand, that is likely to be confusing or worse for flat frames. */ - -#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) - -/* Number of bytes of storage in the actual machine representation for - register N. */ - -/* On the SPARC, all regs are 4 bytes (except Sparc64, where they're 8). */ - -#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 (except Sparc64, where they're 8). */ - -#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 - -/* 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) - -/* Sun /bin/cc gets this right as of SunOS 4.1.x. We need to define - BELIEVE_PCC_PROMOTION to get this right now that the code which - detects gcc2_compiled. is broken. This loses for SunOS 4.0.x and - earlier. */ - -#define BELIEVE_PCC_PROMOTION 1 - -/* Advance PC across any function entry prologue instructions - to reach some "real" code. */ - -extern CORE_ADDR sparc_skip_prologue (CORE_ADDR); -#define SKIP_PROLOGUE(PC) sparc_skip_prologue (PC) - -/* 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) PC_ADJUST (read_register (RP_REGNUM)) - -/* Stack grows downward. */ - -#define INNER_THAN(LHS,RHS) ((LHS) < (RHS)) - -/* Write into appropriate registers a function return value of type - TYPE, given in virtual format. */ - -#define DEPRECATED_STORE_RETURN_VALUE(TYPE, VALBUF) \ - sparc_store_return_value (TYPE, VALBUF) -extern void sparc_store_return_value (struct type *, char *); - -/* 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 DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ - sparc_extract_struct_value_address (REGBUF) - -extern CORE_ADDR sparc_extract_struct_value_address (char *); - -/* If the current gcc for for this target does not produce correct - debugging information for float parameters, both prototyped and - unprototyped, then define this macro. This forces gdb to always - assume that floats are passed as doubles and then converted in the - callee. */ - -#define COERCE_FLOAT_TO_DOUBLE(FORMAL, ACTUAL) (1) - -/* Stack must be aligned on 64-bit boundaries when synthesizing - function calls (128-bit for sparc64). */ - -#define STACK_ALIGN(ADDR) sparc32_stack_align (ADDR) -extern CORE_ADDR sparc32_stack_align (CORE_ADDR addr); - -/* The Sparc returns long doubles on the stack. */ - -#define RETURN_VALUE_ON_STACK(TYPE) \ - (TYPE_CODE(TYPE) == TYPE_CODE_FLT \ - && TYPE_LENGTH(TYPE) > 8) - -/* When passing a structure to a function, Sun cc passes the address - not the structure itself. It (under SunOS4) creates two symbols, - which we need to combine to a LOC_REGPARM. 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. */ - -#define REG_STRUCT_HAS_ADDR(GCC_P, TYPE) \ - sparc_reg_struct_has_addr (GCC_P, TYPE) -extern int sparc_reg_struct_has_addr (int, struct type *); - -/* Is the prologue at PC frameless? */ -#define PROLOGUE_FRAMELESS_P(PC) sparc_prologue_frameless_p (PC) -extern int sparc_prologue_frameless_p (CORE_ADDR); - -#endif /* GDB_MULTI_ARCH */ - -#if defined (GDB_MULTI_ARCH) && (GDB_MULTI_ARCH > 0) -/* - * The following defines should ONLY appear for MULTI_ARCH. - */ - -/* Multi-arch the nPC and Y registers. */ -#define Y_REGNUM (sparc_y_regnum ()) -extern int sparc_npc_regnum (void); -extern int sparc_y_regnum (void); - -#endif /* GDB_MULTI_ARCH */ - -/* 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 (CORE_ADDR); - -/* If an argument is declared "register", Sun cc will keep it in a register, - never saving it onto the stack. So we better not believe the "p" symbol - descriptor stab. */ - -#define USE_REGISTER_NOT_ARG - -/* For acc, 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. n_opt_found detects acc for Solaris binaries; - function_stab_type detects acc for SunOS4 binaries. - - For binary from SunOS4 /bin/cc, need to correct LBRAC's. - - For gcc, like acc, don't correct. */ - -#define SUN_FIXED_LBRAC_BUG \ - (n_opt_found \ - || function_stab_type == N_STSYM \ - || function_stab_type == N_GSYM \ - || processing_gcc_compilation) - -/* Do variables in the debug stabs occur after the N_LBRAC or before it? - acc: after, gcc: before, SunOS4 /bin/cc: before. */ - -#define VARIABLES_INSIDE_BLOCK(desc, gcc_p) \ - (!(gcc_p) \ - && (n_opt_found \ - || function_stab_type == N_STSYM \ - || function_stab_type == N_GSYM)) - -/* Sequence of bytes for breakpoint instruction (ta 1). */ - -#define BREAKPOINT {0x91, 0xd0, 0x20, 0x01} - -/* 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 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 I7_REGNUM 31 /* Last local reg saved on stack frame */ -#define PS_REGNUM 65 /* Contains processor status */ -#define PS_FLAG_CARRY 0x100000 /* Carry bit in PS */ -#define WIM_REGNUM 66 /* Window Invalid Mask (not really supported) */ -#define TBR_REGNUM 67 /* Trap Base Register (not really supported) */ -#define FPS_REGNUM 70 /* Floating point status register */ -#define CPS_REGNUM 71 /* Coprocessor status register */ - -/* Writing to %g0 is a noop (not an error or exception or anything like - that, however). */ - -#define CANNOT_STORE_REGISTER(regno) ((regno) == G0_REGNUM) - -/* - * FRAME_CHAIN and FRAME_INFO definitions, collected here for convenience. - */ - -#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0) -/* - * The following defines must go away for MULTI_ARCH. - */ - -/* 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. - - The bottom field is misnamed, since it might imply that memory from - bottom to frame contains this frame. That need not be true if - stack frames are allocated in different segments (e.g. some on a - stack, some on a heap in the data segment). - - GCC 2.6 and later can generate ``flat register window'' code that - makes frames by explicitly saving those registers that need to be - saved. %i7 is used as the frame pointer, and the frame is laid out - so that flat and non-flat calls can be intermixed freely within a - program. Unfortunately for GDB, this means it must detect and - record the flatness of frames. - - Since the prologue in a flat frame also tells us where fp and pc - have been stashed (the frame is of variable size, so their location - is not fixed), it's convenient to record them in the frame info. */ - -#define EXTRA_FRAME_INFO \ - CORE_ADDR bottom; \ - int in_prologue; \ - int flat; \ - /* Following fields only relevant for flat frames. */ \ - CORE_ADDR pc_addr; \ - CORE_ADDR fp_addr; \ - /* Add this to ->frame to get the value of the stack pointer at the */ \ - /* time of the register saves. */ \ - int sp_offset; - -/* We need to override GET_SAVED_REGISTER so that we can deal with the - way outs change into ins in different frames. */ - -void sparc_get_saved_register (char *raw_buffer, - int *optimized, - CORE_ADDR * addrp, - struct frame_info *frame, - int regnum, enum lval_type *lvalp); - -#define GET_SAVED_REGISTER(RAW_BUFFER, OPTIMIZED, ADDRP, FRAME, REGNUM, LVAL) \ - sparc_get_saved_register (RAW_BUFFER, OPTIMIZED, ADDRP, \ - FRAME, REGNUM, LVAL) - -#define FRAME_INIT_SAVED_REGS(FP) /*no-op */ - -#define INIT_EXTRA_FRAME_INFO(FROMLEAF, FCI) \ - sparc_init_extra_frame_info (FROMLEAF, FCI) -extern void sparc_init_extra_frame_info (int, struct frame_info *); - -#define FRAME_CHAIN(THISFRAME) (sparc_frame_chain (THISFRAME)) -extern CORE_ADDR sparc_frame_chain (struct frame_info *); - -/* 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_look_for_prologue (FI) - -/* Where is the PC for a specific frame */ - -#define FRAME_SAVED_PC(FRAME) sparc_frame_saved_pc (FRAME) -extern CORE_ADDR sparc_frame_saved_pc (struct frame_info *); - -/* If the argument is on the stack, it will be here. */ -#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. */ -#define FRAME_NUM_ARGS(FI) (-1) - -/* Return number of bytes at start of arglist that are not really args. */ - -#define FRAME_ARGS_SKIP 68 - -#endif /* GDB_MULTI_ARCH */ - -#define PRINT_EXTRA_FRAME_INFO(FI) \ - sparc_print_extra_frame_info (FI) -extern void sparc_print_extra_frame_info (struct frame_info *); - -/* INIT_EXTRA_FRAME_INFO needs the PC to detect flat frames. */ - -#define INIT_FRAME_PC(FROMLEAF, PREV) /* nothing */ -#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 ()); - -/* Define other aspects of the stack frame. */ - -/* The location of I0 w.r.t SP. This is actually dependent on how the - system's window overflow/underflow routines are written. Most - vendors save the L regs followed by the I regs (at the higher - address). Some vendors get it wrong. */ - -#define FRAME_SAVED_L0 0 -#define FRAME_SAVED_I0 (8 * REGISTER_RAW_SIZE (L0_REGNUM)) - -#define FRAME_STRUCT_ARGS_ADDRESS(FI) ((FI)->frame) - -/* 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). - */ - -#ifndef CALL_DUMMY -/* This sequence of words is the instructions - - 00: bc 10 00 01 mov %g1, %fp - 04: 9d e3 80 00 save %sp, %g0, %sp - 08: bc 10 00 02 mov %g2, %fp - 0c: be 10 00 03 mov %g3, %i7 - 10: da 03 a0 58 ld [ %sp + 0x58 ], %o5 - 14: d8 03 a0 54 ld [ %sp + 0x54 ], %o4 - 18: d6 03 a0 50 ld [ %sp + 0x50 ], %o3 - 1c: d4 03 a0 4c ld [ %sp + 0x4c ], %o2 - 20: d2 03 a0 48 ld [ %sp + 0x48 ], %o1 - 24: 40 00 00 00 call <fun> - 28: d0 03 a0 44 ld [ %sp + 0x44 ], %o0 - 2c: 01 00 00 00 nop - 30: 91 d0 20 01 ta 1 - 34: 01 00 00 00 nop - - NOTES: - * the first four instructions are necessary only on the simulator. - * this is a multiple of 8 (not only 4) bytes. - * the `call' insn is a relative, not an absolute call. - * the `nop' at the end is needed to keep the trap from - clobbering things (if NPC pointed to garbage instead). - */ - -#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0) -/* - * The following defines must go away for MULTI_ARCH. - */ - -#define CALL_DUMMY { 0xbc100001, 0x9de38000, 0xbc100002, 0xbe100003, \ - 0xda03a058, 0xd803a054, 0xd603a050, 0xd403a04c, \ - 0xd203a048, 0x40000000, 0xd003a044, 0x01000000, \ - 0x91d02001, 0x01000000 } - - -/* Size of the call dummy in bytes. */ - -#define CALL_DUMMY_LENGTH 0x38 - -/* Offset within call dummy of first instruction to execute. */ - -#define CALL_DUMMY_START_OFFSET 0 - -/* Offset within CALL_DUMMY of the 'call' instruction. */ - -#define CALL_DUMMY_CALL_OFFSET (CALL_DUMMY_START_OFFSET + 0x24) - -/* Offset within CALL_DUMMY of the 'ta 1' trap instruction. */ - -#define CALL_DUMMY_BREAKPOINT_OFFSET (CALL_DUMMY_START_OFFSET + 0x30) - -#define CALL_DUMMY_STACK_ADJUST 68 - -/* Call dummy method (eg. on stack, at entry point, etc.) */ - -#define CALL_DUMMY_LOCATION ON_STACK - -/* Method for detecting dummy frames. */ - -#define PC_IN_CALL_DUMMY(PC, SP, FRAME_ADDRESS) \ - pc_in_call_dummy_on_stack (PC, SP, FRAME_ADDRESS) - -#endif /* GDB_MULTI_ARCH */ - -#endif /* CALL_DUMMY */ - -#if !defined (GDB_MULTI_ARCH) || (GDB_MULTI_ARCH == 0) -/* - * The following defines must go away for MULTI_ARCH. - */ - -/* 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) \ - sparc_fix_call_dummy (DUMMYNAME, PC, FUN, TYPE, GCC_P) -void sparc_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, - struct type *value_type, int using_gcc); - -/* Arguments smaller than an int must be promoted to ints when - synthesizing function calls. */ - -/* 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 (void); -void sparc_pop_frame (void); - -#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ - sparc32_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) - -extern CORE_ADDR -sparc32_push_arguments (int, struct value **, CORE_ADDR, int, CORE_ADDR); - -/* Store the address of the place in which to copy the structure the - subroutine will return. This is called from call_function_by_hand. - The ultimate mystery is, tho, what is the value "16"? */ - -#define STORE_STRUCT_RETURN(ADDR, SP) \ - { char val[4]; \ - store_unsigned_integer (val, 4, (ADDR)); \ - write_memory ((SP)+(16*4), val, 4); } - -/* Default definition of USE_STRUCT_CONVENTION. */ - -#ifndef USE_STRUCT_CONVENTION -#define USE_STRUCT_CONVENTION(GCC_P, TYPE) \ - generic_use_struct_convention (GCC_P, TYPE) -#endif - -/* 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 DEPRECATED_EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \ - sparc32_extract_return_value (TYPE, REGBUF, VALBUF) -extern void sparc32_extract_return_value (struct type *, char[], char *); - -#endif /* GDB_MULTI_ARCH */ - - -/* Sparc has no reliable single step ptrace call */ - -#define SOFTWARE_SINGLE_STEP_P() 1 -extern void sparc_software_single_step (enum target_signal, int); -#define SOFTWARE_SINGLE_STEP(sig,bp_p) sparc_software_single_step (sig,bp_p) - -/* 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) -extern struct frame_info *setup_arbitrary_frame (int, CORE_ADDR *); - -/* To print every pair of float registers as a double, we use this hook. - We also print the condition code registers in a readable format - (FIXME: can expand this to all control regs). */ - -#undef PRINT_REGISTER_HOOK -#define PRINT_REGISTER_HOOK(regno) \ - sparc_print_register_hook (regno) -extern void sparc_print_register_hook (int regno); - -/* 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; - -/* Select the sparc disassembler */ - -#define TM_PRINT_INSN_MACH bfd_mach_sparc - |