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authorgdb-2.5.1 <gdb@fsf.org>1988-05-02 01:00:00 +0100
committerPedro Alves <palves@redhat.com>2012-06-03 15:36:30 +0100
commit632ea0ccc5c4c3f9fc06881bfedfc4b075873941 (patch)
tree96f152433c41c5f51fe57307b287eb85865a43e2 /gdb/m-merlin.h
parent7b4ac7e1ed2c4616bce56d1760807798be87ac9e (diff)
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gdb-2.5.1
Diffstat (limited to 'gdb/m-merlin.h')
-rw-r--r--gdb/m-merlin.h437
1 files changed, 0 insertions, 437 deletions
diff --git a/gdb/m-merlin.h b/gdb/m-merlin.h
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--- a/gdb/m-merlin.h
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@@ -1,437 +0,0 @@
-/* Definitions to make GDB run on a merlin under utek 2.1
- Copyright (C) 1986, 1987 Free Software Foundation, Inc.
-
-GDB is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY. No author or distributor accepts responsibility to anyone
-for the consequences of using it or for whether it serves any
-particular purpose or works at all, unless he says so in writing.
-Refer to the GDB General Public License for full details.
-
-Everyone is granted permission to copy, modify and redistribute GDB,
-but only under the conditions described in the GDB General Public
-License. A copy of this license is supposed to have been given to you
-along with GDB so you can know your rights and responsibilities. It
-should be in a file named COPYING. Among other things, the copyright
-notice and this notice must be preserved on all copies.
-
-In other words, go ahead and share GDB, but don't try to stop
-anyone else from sharing it farther. Help stamp out software hoarding!
-*/
-
-#ifndef ns16000
-#define ns16000
-#endif
-
-# include <machine/reg.h>
-
-/* Define this if the C compiler puts an underscore at the front
- of external names before giving them to the linker. */
-
-#define NAMES_HAVE_UNDERSCORE
-
-/* Debugger information will be in DBX format. */
-
-#define READ_DBX_FORMAT
-
-/* 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)
-
-/* 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)
-
-/* 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) */
-
-#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 (); \
- } \
-}
-
-/* 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)
-
-/* 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.
-
- FRAME_CHAIN_COMBINE takes the chain pointer and the frame's nominal address
- and produces the nominal address of the caller frame.
-
- However, if FRAME_CHAIN_VALID returns zero,
- it means the given frame is the outermost one and has no caller.
- In that case, FRAME_CHAIN_COMBINE is not used. */
-
-/* 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) (read_memory_integer (thisframe, 4))
-
-#define FRAME_CHAIN_VALID(chain, thisframe) \
- (chain != 0 && (FRAME_SAVED_PC (thisframe) >= first_object_file_end))
-
-#define FRAME_CHAIN_COMBINE(chain, thisframe) (chain)
-
-/* Define other aspects of the stack frame. */
-
-#define FRAME_SAVED_PC(frame) (read_memory_integer (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.frame); \
- 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 CORE_ADDR fp = read_register (FP_REGNUM); \
- register int regnum; \
- struct frame_saved_regs fsr; \
- struct frame_info fi; \
- fi = get_frame_info (fp); \
- 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); \
-}
-
-/* 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, fun, nargs) \
-{ 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; \
-}
-
-#ifdef notdef
-/* 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