diff options
Diffstat (limited to 'gdb/config/ns32k/tm-merlin.h')
| -rw-r--r-- | gdb/config/ns32k/tm-merlin.h | 578 |
1 files changed, 289 insertions, 289 deletions
diff --git a/gdb/config/ns32k/tm-merlin.h b/gdb/config/ns32k/tm-merlin.h index 56c1f5e..8c88f46 100644 --- a/gdb/config/ns32k/tm-merlin.h +++ b/gdb/config/ns32k/tm-merlin.h @@ -1,289 +1,289 @@ -/* Definitions to target GDB to a merlin under utek 2.1 - Copyright 1986, 1987, 1989, 1991, 1993, 1994, 1998, 1999, 2000 - 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., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include "regcache.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. */ - -extern CORE_ADDR merlin_skip_prologue (CORE_ADDR); -#define SKIP_PROLOGUE(pc) (merlin_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_memory_integer (read_register (SP_REGNUM), 4) - -/* Address of end of stack space. */ - -#define STACK_END_ADDR (0x800000) - -/* Stack grows downward. */ - -#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) - -/* 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 - -/* 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. 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 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 - -/* 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) \ - 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. */ - -/* 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. */ - -extern int merlin_frame_num_args (struct frame_info *fi); -#define FRAME_NUM_ARGS(fi) (merlin_frame_num_args ((fi))) - -/* 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 struct frame_info *frame = get_current_frame (); \ - register CORE_ADDR fp; \ - register int regnum; \ - struct frame_saved_regs fsr; \ - struct frame_info *fi; \ - fp = frame->frame; \ - get_frame_saved_regs (frame, &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 (); \ -} - -/* 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; \ -} +/* OBSOLETE /* Definitions to target GDB to a merlin under utek 2.1 */ +/* OBSOLETE Copyright 1986, 1987, 1989, 1991, 1993, 1994, 1998, 1999, 2000 */ +/* OBSOLETE Free Software Foundation, Inc. */ +/* OBSOLETE */ +/* OBSOLETE This file is part of GDB. */ +/* OBSOLETE */ +/* OBSOLETE This program is free software; you can redistribute it and/or modify */ +/* OBSOLETE it under the terms of the GNU General Public License as published by */ +/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ +/* OBSOLETE (at your option) any later version. */ +/* OBSOLETE */ +/* OBSOLETE This program is distributed in the hope that it will be useful, */ +/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ +/* OBSOLETE GNU General Public License for more details. */ +/* OBSOLETE */ +/* OBSOLETE You should have received a copy of the GNU General Public License */ +/* OBSOLETE along with this program; if not, write to the Free Software */ +/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ +/* OBSOLETE Boston, MA 02111-1307, USA. */ */ +/* OBSOLETE */ +/* OBSOLETE #include "regcache.h" */ +/* OBSOLETE */ +/* OBSOLETE #define TARGET_BYTE_ORDER LITTLE_ENDIAN */ +/* OBSOLETE */ +/* OBSOLETE /* Offset from address of function to start of its code. */ +/* OBSOLETE Zero on most machines. */ */ +/* OBSOLETE */ +/* OBSOLETE #define FUNCTION_START_OFFSET 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Advance PC across any function entry prologue instructions */ +/* OBSOLETE to reach some "real" code. */ */ +/* OBSOLETE */ +/* OBSOLETE extern CORE_ADDR merlin_skip_prologue (CORE_ADDR); */ +/* OBSOLETE #define SKIP_PROLOGUE(pc) (merlin_skip_prologue (pc)) */ +/* OBSOLETE */ +/* OBSOLETE /* Immediately after a function call, return the saved pc. */ +/* OBSOLETE Can't always go through the frames for this because on some machines */ +/* OBSOLETE the new frame is not set up until the new function executes */ +/* OBSOLETE some instructions. */ */ +/* OBSOLETE */ +/* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) \ */ +/* OBSOLETE read_memory_integer (read_register (SP_REGNUM), 4) */ +/* OBSOLETE */ +/* OBSOLETE /* Address of end of stack space. */ */ +/* OBSOLETE */ +/* OBSOLETE #define STACK_END_ADDR (0x800000) */ +/* OBSOLETE */ +/* OBSOLETE /* Stack grows downward. */ */ +/* OBSOLETE */ +/* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */ +/* OBSOLETE */ +/* OBSOLETE /* Sequence of bytes for breakpoint instruction. */ */ +/* OBSOLETE */ +/* OBSOLETE #define BREAKPOINT {0xf2} */ +/* OBSOLETE */ +/* OBSOLETE /* Amount PC must be decremented by after a breakpoint. */ +/* OBSOLETE This is often the number of bytes in BREAKPOINT */ +/* OBSOLETE but not always. */ */ +/* OBSOLETE */ +/* OBSOLETE #define DECR_PC_AFTER_BREAK 0 */ +/* OBSOLETE */ +/* OBSOLETE /* Define this to say that the "svc" insn is followed by */ +/* OBSOLETE codes in memory saying which kind of system call it is. */ */ +/* OBSOLETE */ +/* OBSOLETE #define NS32K_SVC_IMMED_OPERANDS */ +/* OBSOLETE */ +/* OBSOLETE /* Say how long (ordinary) registers are. This is a piece of bogosity */ +/* OBSOLETE used in push_word and a few other places; REGISTER_RAW_SIZE is the */ +/* OBSOLETE real way to know how big a register is. */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_SIZE 4 */ +/* OBSOLETE */ +/* OBSOLETE /* Number of machine registers */ */ +/* OBSOLETE */ +/* OBSOLETE #define NUM_REGS 25 */ +/* OBSOLETE */ +/* OBSOLETE #define NUM_GENERAL_REGS 8 */ +/* OBSOLETE */ +/* OBSOLETE /* Initializer for an array of names of registers. */ +/* OBSOLETE There should be NUM_REGS strings in this initializer. */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_NAMES {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ */ +/* OBSOLETE "pc", "sp", "fp", "ps", \ */ +/* OBSOLETE "fsr", \ */ +/* OBSOLETE "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ */ +/* OBSOLETE "l0", "l1", "l2", "l3", "l4", \ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Register numbers of various important registers. */ +/* OBSOLETE Note that some of these values are "real" register numbers, */ +/* OBSOLETE and correspond to the general registers of the machine, */ +/* OBSOLETE and some are "phony" register numbers which are too large */ +/* OBSOLETE to be actual register numbers as far as the user is concerned */ +/* OBSOLETE but do serve to get the desired values when passed to read_register. */ */ +/* OBSOLETE */ +/* OBSOLETE #define AP_REGNUM FP_REGNUM */ +/* OBSOLETE #define FP_REGNUM 10 /* Contains address of executing stack frame */ */ +/* OBSOLETE #define SP_REGNUM 9 /* Contains address of top of stack */ */ +/* OBSOLETE #define PC_REGNUM 8 /* Contains program counter */ */ +/* OBSOLETE #define PS_REGNUM 11 /* Contains processor status */ */ +/* OBSOLETE #define FPS_REGNUM 12 /* Floating point status register */ */ +/* OBSOLETE #define FP0_REGNUM 13 /* Floating point register 0 */ */ +/* OBSOLETE #define LP0_REGNUM 21 /* Double register 0 (same as FP0) */ */ +/* OBSOLETE */ +/* OBSOLETE /* Total amount of space needed to store our copies of the machine's */ +/* OBSOLETE register state, the array `registers'. */ */ +/* OBSOLETE #define REGISTER_BYTES ((NUM_REGS - 4) * sizeof (int) + 4 * sizeof (double)) */ +/* OBSOLETE */ +/* OBSOLETE /* Index within `registers' of the first byte of the space for */ +/* OBSOLETE register N. */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_BYTE(N) ((N) >= LP0_REGNUM ? \ */ +/* OBSOLETE LP0_REGNUM * 4 + ((N) - LP0_REGNUM) * 8 : (N) * 4) */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes of storage in the actual machine representation */ +/* OBSOLETE for register N. On the 32000, all regs are 4 bytes */ +/* OBSOLETE except for the doubled floating registers. */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_RAW_SIZE(N) ((N) >= LP0_REGNUM ? 8 : 4) */ +/* OBSOLETE */ +/* OBSOLETE /* Number of bytes of storage in the program's representation */ +/* OBSOLETE for register N. On the 32000, all regs are 4 bytes */ +/* OBSOLETE except for the doubled floating registers. */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) ((N) >= LP0_REGNUM ? 8 : 4) */ +/* OBSOLETE */ +/* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. */ */ +/* OBSOLETE */ +/* OBSOLETE #define MAX_REGISTER_RAW_SIZE 8 */ +/* OBSOLETE */ +/* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. */ */ +/* OBSOLETE */ +/* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE 8 */ +/* OBSOLETE */ +/* OBSOLETE /* Return the GDB type object for the "standard" data type */ +/* OBSOLETE of data in register N. */ */ +/* OBSOLETE */ +/* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) \ */ +/* OBSOLETE ((N) >= FP0_REGNUM ? \ */ +/* OBSOLETE ((N) >= LP0_REGNUM ? \ */ +/* OBSOLETE builtin_type_double \ */ +/* OBSOLETE : builtin_type_float) \ */ +/* OBSOLETE : builtin_type_int) */ +/* OBSOLETE */ +/* OBSOLETE /* Store the address of the place in which to copy the structure the */ +/* OBSOLETE subroutine will return. This is called from call_function. */ +/* OBSOLETE */ +/* OBSOLETE On this machine this is a no-op, as gcc doesn't run on it yet. */ +/* OBSOLETE This calling convention is not used. */ */ +/* OBSOLETE */ +/* OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) */ +/* OBSOLETE */ +/* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */ +/* OBSOLETE a function return value of type TYPE, and copy that, in virtual format, */ +/* OBSOLETE into VALBUF. */ */ +/* OBSOLETE */ +/* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */ +/* OBSOLETE memcpy (VALBUF, REGBUF, TYPE_LENGTH (TYPE)) */ +/* OBSOLETE */ +/* OBSOLETE /* Write into appropriate registers a function return value */ +/* OBSOLETE of type TYPE, given in virtual format. */ */ +/* OBSOLETE */ +/* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */ +/* OBSOLETE write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) */ +/* OBSOLETE */ +/* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */ +/* OBSOLETE the address in which a function should return its structure value, */ +/* OBSOLETE as a CORE_ADDR (or an expression that can be used as one). */ */ +/* OBSOLETE */ +/* OBSOLETE #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) */ +/* OBSOLETE */ +/* OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame */ +/* OBSOLETE (its caller). */ */ +/* OBSOLETE */ +/* OBSOLETE /* FRAME_CHAIN takes a frame's nominal address */ +/* OBSOLETE and produces the frame's chain-pointer. */ */ +/* OBSOLETE */ +/* OBSOLETE /* In the case of the Merlin, the frame's nominal address is the FP value, */ +/* OBSOLETE and at that address is saved previous FP value as a 4-byte word. */ */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_CHAIN(thisframe) \ */ +/* OBSOLETE (!inside_entry_file ((thisframe)->pc) ? \ */ +/* OBSOLETE read_memory_integer ((thisframe)->frame, 4) :\ */ +/* OBSOLETE 0) */ +/* OBSOLETE */ +/* OBSOLETE /* Define other aspects of the stack frame. */ */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4)) */ +/* OBSOLETE */ +/* OBSOLETE /* compute base of arguments */ */ +/* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) */ +/* OBSOLETE */ +/* OBSOLETE /* Return number of args passed to a frame. */ +/* OBSOLETE Can return -1, meaning no way to tell. */ */ +/* OBSOLETE */ +/* OBSOLETE extern int merlin_frame_num_args (struct frame_info *fi); */ +/* OBSOLETE #define FRAME_NUM_ARGS(fi) (merlin_frame_num_args ((fi))) */ +/* OBSOLETE */ +/* OBSOLETE /* Return number of bytes at start of arglist that are not really args. */ */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_ARGS_SKIP 8 */ +/* OBSOLETE */ +/* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */ +/* OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO. */ +/* OBSOLETE This includes special registers such as pc and fp saved in special */ +/* OBSOLETE ways in the stack frame. sp is even more special: */ +/* OBSOLETE the address we return for it IS the sp for the next frame. */ */ +/* OBSOLETE */ +/* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ */ +/* OBSOLETE { int regmask,regnum; \ */ +/* OBSOLETE int localcount; \ */ +/* OBSOLETE CORE_ADDR enter_addr; \ */ +/* OBSOLETE CORE_ADDR next_addr; \ */ +/* OBSOLETE \ */ +/* OBSOLETE enter_addr = get_pc_function_start ((frame_info)->pc); \ */ +/* OBSOLETE regmask = read_memory_integer (enter_addr+1, 1); \ */ +/* OBSOLETE localcount = ns32k_localcount (enter_addr); \ */ +/* OBSOLETE next_addr = (frame_info)->frame + localcount; \ */ +/* OBSOLETE for (regnum = 0; regnum < 8; regnum++, regmask >>= 1) \ */ +/* OBSOLETE (frame_saved_regs).regs[regnum] \ */ +/* OBSOLETE = (regmask & 1) ? (next_addr -= 4) : 0; \ */ +/* OBSOLETE (frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame + 4; \ */ +/* OBSOLETE (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 4; \ */ +/* OBSOLETE (frame_saved_regs).regs[FP_REGNUM] \ */ +/* OBSOLETE = read_memory_integer ((frame_info)->frame, 4); } */ +/* OBSOLETE */ +/* OBSOLETE */ +/* OBSOLETE /* Things needed for making the inferior call functions. */ */ +/* OBSOLETE */ +/* OBSOLETE /* Push an empty stack frame, to record the current PC, etc. */ */ +/* OBSOLETE */ +/* OBSOLETE #define PUSH_DUMMY_FRAME \ */ +/* OBSOLETE { register CORE_ADDR sp = read_register (SP_REGNUM); \ */ +/* OBSOLETE register int regnum; \ */ +/* OBSOLETE sp = push_word (sp, read_register (PC_REGNUM)); \ */ +/* OBSOLETE sp = push_word (sp, read_register (FP_REGNUM)); \ */ +/* OBSOLETE write_register (FP_REGNUM, sp); \ */ +/* OBSOLETE for (regnum = 0; regnum < 8; regnum++) \ */ +/* OBSOLETE sp = push_word (sp, read_register (regnum)); \ */ +/* OBSOLETE write_register (SP_REGNUM, sp); \ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* Discard from the stack the innermost frame, restoring all registers. */ */ +/* OBSOLETE */ +/* OBSOLETE #define POP_FRAME \ */ +/* OBSOLETE { register struct frame_info *frame = get_current_frame (); \ */ +/* OBSOLETE register CORE_ADDR fp; \ */ +/* OBSOLETE register int regnum; \ */ +/* OBSOLETE struct frame_saved_regs fsr; \ */ +/* OBSOLETE struct frame_info *fi; \ */ +/* OBSOLETE fp = frame->frame; \ */ +/* OBSOLETE get_frame_saved_regs (frame, &fsr); \ */ +/* OBSOLETE for (regnum = 0; regnum < 8; regnum++) \ */ +/* OBSOLETE if (fsr.regs[regnum]) \ */ +/* OBSOLETE write_register (regnum, read_memory_integer (fsr.regs[regnum], 4)); \ */ +/* OBSOLETE write_register (FP_REGNUM, read_memory_integer (fp, 4)); \ */ +/* OBSOLETE write_register (PC_REGNUM, read_memory_integer (fp + 4, 4)); \ */ +/* OBSOLETE write_register (SP_REGNUM, fp + 8); \ */ +/* OBSOLETE flush_cached_frames (); \ */ +/* OBSOLETE } */ +/* OBSOLETE */ +/* OBSOLETE /* This sequence of words is the instructions */ +/* OBSOLETE enter 0xff,0 82 ff 00 */ +/* OBSOLETE jsr @0x00010203 7f ae c0 01 02 03 */ +/* OBSOLETE adjspd 0x69696969 7f a5 01 02 03 04 */ +/* OBSOLETE bpt f2 */ +/* OBSOLETE Note this is 16 bytes. */ */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY { 0x7f00ff82, 0x0201c0ae, 0x01a57f03, 0xf2040302 } */ +/* OBSOLETE */ +/* OBSOLETE #define CALL_DUMMY_START_OFFSET 3 */ +/* OBSOLETE #define CALL_DUMMY_LENGTH 16 */ +/* OBSOLETE #define CALL_DUMMY_ADDR 5 */ +/* OBSOLETE #define CALL_DUMMY_NARGS 11 */ +/* OBSOLETE */ +/* OBSOLETE /* Insert the specified number of args and function address */ +/* OBSOLETE into a call sequence of the above form stored at DUMMYNAME. */ */ +/* OBSOLETE */ +/* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */ +/* OBSOLETE { int flipped = fun | 0xc0000000; \ */ +/* OBSOLETE flip_bytes (&flipped, 4); \ */ +/* OBSOLETE *((int *) (((char *) dummyname)+CALL_DUMMY_ADDR)) = flipped; \ */ +/* OBSOLETE flipped = - nargs * 4; \ */ +/* OBSOLETE flip_bytes (&flipped, 4); \ */ +/* OBSOLETE *((int *) (((char *) dummyname)+CALL_DUMMY_NARGS)) = flipped; \ */ +/* OBSOLETE } */ |