diff options
Diffstat (limited to 'gdb/config/z8k/tm-z8k.h')
| -rw-r--r-- | gdb/config/z8k/tm-z8k.h | 584 |
1 files changed, 292 insertions, 292 deletions
diff --git a/gdb/config/z8k/tm-z8k.h b/gdb/config/z8k/tm-z8k.h index 86cc4a4b59d..59b6ecbad7b 100644 --- a/gdb/config/z8k/tm-z8k.h +++ b/gdb/config/z8k/tm-z8k.h @@ -1,292 +1,292 @@ -/* Parameters for execution on a z8000 series machine. - - Copyright 1992, 1993, 1994, 1998, 1999, 2000, 2001, 2002 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. */ - -/* NOTE: cagney/2002-11-24: This is a guess. */ -#define DEPRECATED_USE_GENERIC_DUMMY_FRAMES 0 -#define CALL_DUMMY_LOCATION ON_STACK -#define DEPRECATED_PC_IN_CALL_DUMMY(pc, sp, frame_address) deprecated_pc_in_call_dummy_on_stack (pc, sp, frame_address) - -#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) - -/* 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) (z8k_skip_prologue (ip)) -extern CORE_ADDR z8k_skip_prologue (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. */ - - -extern int z8k_saved_pc_after_call (struct frame_info *frame); -#define SAVED_PC_AFTER_CALL(frame) z8k_saved_pc_after_call(frame) - -/* Stack grows downward. */ - -#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) - -/* 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 - -/* 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 - -/* 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 DEPRECATED_INIT_FRAME_PC(x,y) (init_frame_pc_noop (x, y)) -#define INIT_FRAME_PC_FIRST(x,y) (init_frame_pc_noop (x, y)) - -#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) internal_error (__FILE__, __LINE__, "failed internal consistency check"); - -/* 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 DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ - memcpy(VALBUF, REGBUF + REGISTER_BYTE(2), TYPE_LENGTH(TYPE)); - -/* Write into appropriate registers a function return value - of type TYPE, given in virtual format. */ - -#define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) internal_error (__FILE__, __LINE__, "failed internal consistency check"); - -/* 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) (*(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. */ - -extern CORE_ADDR z8k_frame_chain (struct frame_info *thisframe); -#define FRAME_CHAIN(thisframe) z8k_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_look_for_prologue (FI)) - -extern CORE_ADDR z8k_frame_saved_pc (struct frame_info *frame); -#define FRAME_SAVED_PC(FRAME) z8k_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(fi) (-1) -#endif - -/* Return number of bytes at start of arglist that are not really args. */ - -#define FRAME_ARGS_SKIP 8 - -struct frame_info; -extern void z8k_frame_init_saved_regs (struct frame_info *); -#define FRAME_INIT_SAVED_REGS(fi) z8k_frame_init_saved_regs (fi) - - -/* 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) \ -{ bfd_putb32 (fun, (char *) dummyname + CALL_DUMMY_START_OFFSET + 2); \ - bfd_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 (void); - -extern void z8k_pop_frame (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) - -extern CORE_ADDR z8k_addr_bits_remove (CORE_ADDR); -#define ADDR_BITS_REMOVE(addr) z8k_addr_bits_remove (addr) -int sim_z8001_mode; -#define BIG (sim_z8001_mode) - -#define read_memory_short(x) (read_memory_integer(x,2) & 0xffff) - -#define NO_STD_REGS - -extern void z8k_do_registers_info (int regnum, int all); -#define DEPRECATED_DO_REGISTERS_INFO(REGNUM,ALL) \ - z8k_do_registers_info (REGNUM, ALL) - -extern void z8k_set_pointer_size (int newsize); -#define INIT_EXTRA_SYMTAB_INFO \ - z8k_set_pointer_size(objfile->obfd->arch_info->bits_per_address); - -#define REGISTER_SIZE 4 +// OBSOLETE /* Parameters for execution on a z8000 series machine. +// OBSOLETE +// OBSOLETE Copyright 1992, 1993, 1994, 1998, 1999, 2000, 2001, 2002 Free +// OBSOLETE 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 /* NOTE: cagney/2002-11-24: This is a guess. */ +// OBSOLETE #define DEPRECATED_USE_GENERIC_DUMMY_FRAMES 0 +// OBSOLETE #define CALL_DUMMY_LOCATION ON_STACK +// OBSOLETE #define DEPRECATED_PC_IN_CALL_DUMMY(pc, sp, frame_address) deprecated_pc_in_call_dummy_on_stack (pc, sp, frame_address) +// OBSOLETE +// OBSOLETE #undef TARGET_INT_BIT +// OBSOLETE #undef TARGET_LONG_BIT +// OBSOLETE #undef TARGET_SHORT_BIT +// OBSOLETE #undef TARGET_PTR_BIT +// OBSOLETE +// OBSOLETE #define TARGET_SHORT_BIT 16 +// OBSOLETE #define TARGET_INT_BIT 16 +// OBSOLETE #define TARGET_LONG_BIT 32 +// OBSOLETE #define TARGET_PTR_BIT (BIG ? 32: 16) +// 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 #define SKIP_PROLOGUE(ip) (z8k_skip_prologue (ip)) +// OBSOLETE extern CORE_ADDR z8k_skip_prologue (CORE_ADDR ip); +// OBSOLETE +// 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 +// OBSOLETE extern int z8k_saved_pc_after_call (struct frame_info *frame); +// OBSOLETE #define SAVED_PC_AFTER_CALL(frame) z8k_saved_pc_after_call(frame) +// 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 {0x36,0x00} +// OBSOLETE +// OBSOLETE /* If your kernel resets the pc after the trap happens you may need to +// OBSOLETE define this before including this file. */ +// OBSOLETE +// OBSOLETE #define DECR_PC_AFTER_BREAK 0 +// OBSOLETE +// OBSOLETE /* Say how long registers are. */ +// OBSOLETE +// OBSOLETE #define REGISTER_TYPE unsigned int +// OBSOLETE +// OBSOLETE #define NUM_REGS 23 /* 16 registers + 1 ccr + 1 pc + 3 debug +// OBSOLETE regs + fake fp + fake sp */ +// OBSOLETE #define REGISTER_BYTES (NUM_REGS *4) +// OBSOLETE +// OBSOLETE /* Index within `registers' of the first byte of the space for +// OBSOLETE register N. */ +// OBSOLETE +// OBSOLETE #define REGISTER_BYTE(N) ((N)*4) +// OBSOLETE +// OBSOLETE /* Number of bytes of storage in the actual machine representation +// OBSOLETE for register N. On the z8k, all but the pc are 2 bytes, but we +// OBSOLETE keep them all as 4 bytes and trim them on I/O */ +// OBSOLETE +// OBSOLETE +// OBSOLETE #define REGISTER_RAW_SIZE(N) (((N) < 16)? 2:4) +// OBSOLETE +// OBSOLETE /* Number of bytes of storage in the program's representation +// OBSOLETE for register N. */ +// OBSOLETE +// OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N) +// OBSOLETE +// OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. */ +// OBSOLETE +// OBSOLETE #define MAX_REGISTER_RAW_SIZE 4 +// OBSOLETE +// OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. */ +// OBSOLETE +// OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE 4 +// 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 (REGISTER_VIRTUAL_SIZE(N) == 2? builtin_type_unsigned_int : builtin_type_long) +// OBSOLETE +// OBSOLETE #define DEPRECATED_INIT_FRAME_PC(x,y) (init_frame_pc_noop (x, y)) +// OBSOLETE #define INIT_FRAME_PC_FIRST(x,y) (init_frame_pc_noop (x, y)) +// OBSOLETE +// OBSOLETE #define REGISTER_NAMES \ +// OBSOLETE {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ +// OBSOLETE "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ +// OBSOLETE "ccr", "pc", "cycles","insts","time","fp","sp"} +// 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 CCR_REGNUM 16 /* Contains processor status */ +// OBSOLETE #define PC_REGNUM 17 /* Contains program counter */ +// OBSOLETE #define CYCLES_REGNUM 18 +// OBSOLETE #define INSTS_REGNUM 19 +// OBSOLETE #define TIME_REGNUM 20 +// OBSOLETE #define FP_REGNUM 21 /* Contains fp, whatever memory model */ +// OBSOLETE #define SP_REGNUM 22 /* Conatins sp, whatever memory model */ +// OBSOLETE +// OBSOLETE +// OBSOLETE +// OBSOLETE #define PTR_SIZE (BIG ? 4: 2) +// OBSOLETE #define PTR_MASK (BIG ? 0xff00ffff : 0x0000ffff) +// 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 #define STORE_STRUCT_RETURN(ADDR, SP) internal_error (__FILE__, __LINE__, "failed internal consistency check"); +// 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. This is assuming that floating point values are returned +// OBSOLETE as doubles in d0/d1. */ +// OBSOLETE +// OBSOLETE +// OBSOLETE #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ +// OBSOLETE memcpy(VALBUF, REGBUF + REGISTER_BYTE(2), TYPE_LENGTH(TYPE)); +// OBSOLETE +// OBSOLETE /* Write into appropriate registers a function return value +// OBSOLETE of type TYPE, given in virtual format. */ +// OBSOLETE +// OBSOLETE #define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) internal_error (__FILE__, __LINE__, "failed internal consistency check"); +// 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 DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(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 and produces the frame's +// OBSOLETE chain-pointer. +// OBSOLETE In the case of the Z8000, the frame's nominal address +// OBSOLETE is the address of a ptr sized byte word containing the calling +// OBSOLETE frame's address. */ +// OBSOLETE +// OBSOLETE extern CORE_ADDR z8k_frame_chain (struct frame_info *thisframe); +// OBSOLETE #define FRAME_CHAIN(thisframe) z8k_frame_chain(thisframe); +// OBSOLETE +// OBSOLETE +// OBSOLETE +// OBSOLETE /* Define other aspects of the stack frame. */ +// OBSOLETE +// OBSOLETE /* A macro that tells us whether the function invocation represented +// OBSOLETE by FI does not have a frame on the stack associated with it. If it +// OBSOLETE does not, FRAMELESS is set to 1, else 0. */ +// OBSOLETE #define FRAMELESS_FUNCTION_INVOCATION(FI) \ +// OBSOLETE (frameless_look_for_prologue (FI)) +// OBSOLETE +// OBSOLETE extern CORE_ADDR z8k_frame_saved_pc (struct frame_info *frame); +// OBSOLETE #define FRAME_SAVED_PC(FRAME) z8k_frame_saved_pc(FRAME) +// OBSOLETE +// OBSOLETE #define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) +// OBSOLETE +// OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) +// OBSOLETE +// OBSOLETE /* Set VAL to the number of args passed to frame described by FI. +// OBSOLETE Can set VAL to -1, meaning no way to tell. */ +// OBSOLETE +// OBSOLETE /* We can't tell how many args there are +// OBSOLETE now that the C compiler delays popping them. */ +// OBSOLETE #if !defined (FRAME_NUM_ARGS) +// OBSOLETE #define FRAME_NUM_ARGS(fi) (-1) +// OBSOLETE #endif +// OBSOLETE +// OBSOLETE /* Return number of bytes at start of arglist that are not really args. */ +// OBSOLETE +// OBSOLETE #define FRAME_ARGS_SKIP 8 +// OBSOLETE +// OBSOLETE struct frame_info; +// OBSOLETE extern void z8k_frame_init_saved_regs (struct frame_info *); +// OBSOLETE #define FRAME_INIT_SAVED_REGS(fi) z8k_frame_init_saved_regs (fi) +// OBSOLETE +// OBSOLETE +// OBSOLETE /* Things needed for making the inferior call functions. +// OBSOLETE It seems like every m68k based machine has almost identical definitions +// OBSOLETE in the individual machine's configuration files. Most other cpu types +// OBSOLETE (mips, i386, etc) have routines in their *-tdep.c files to handle this +// OBSOLETE for most configurations. The m68k family should be able to do this as +// OBSOLETE well. These macros can still be overridden when necessary. */ +// OBSOLETE +// OBSOLETE /* The CALL_DUMMY macro is the sequence of instructions, as disassembled +// OBSOLETE by gdb itself: +// OBSOLETE +// OBSOLETE fmovemx fp0-fp7,sp@- 0xf227 0xe0ff +// OBSOLETE moveml d0-a5,sp@- 0x48e7 0xfffc +// OBSOLETE clrw sp@- 0x4267 +// OBSOLETE movew ccr,sp@- 0x42e7 +// OBSOLETE +// OBSOLETE /..* The arguments are pushed at this point by GDB; +// OBSOLETE no code is needed in the dummy for this. +// OBSOLETE The CALL_DUMMY_START_OFFSET gives the position of +// OBSOLETE the following jsr instruction. *../ +// OBSOLETE +// OBSOLETE jsr @#0x32323232 0x4eb9 0x3232 0x3232 +// OBSOLETE addal #0x69696969,sp 0xdffc 0x6969 0x6969 +// OBSOLETE trap #<your BPT_VECTOR number here> 0x4e4? +// OBSOLETE nop 0x4e71 +// OBSOLETE +// OBSOLETE Note this is CALL_DUMMY_LENGTH bytes (28 for the above example). +// OBSOLETE We actually start executing at the jsr, since the pushing of the +// OBSOLETE registers is done by PUSH_DUMMY_FRAME. If this were real code, +// OBSOLETE the arguments for the function called by the jsr would be pushed +// OBSOLETE between the moveml and the jsr, and we could allow it to execute through. +// OBSOLETE But the arguments have to be pushed by GDB after the PUSH_DUMMY_FRAME is +// OBSOLETE done, and we cannot allow the moveml to push the registers again lest +// OBSOLETE they be taken for the arguments. */ +// OBSOLETE +// OBSOLETE +// OBSOLETE #define CALL_DUMMY { 0 } +// OBSOLETE #define CALL_DUMMY_LENGTH 24 /* Size of CALL_DUMMY */ +// OBSOLETE #define CALL_DUMMY_START_OFFSET 8 /* Offset to jsr instruction */ +// OBSOLETE +// OBSOLETE +// OBSOLETE /* Insert the specified number of args and function address +// OBSOLETE into a call sequence of the above form stored at DUMMYNAME. +// OBSOLETE We use the BFD routines to store a big-endian value of known size. */ +// OBSOLETE +// OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ +// OBSOLETE { bfd_putb32 (fun, (char *) dummyname + CALL_DUMMY_START_OFFSET + 2); \ +// OBSOLETE bfd_putb32 (nargs*4, (char *) dummyname + CALL_DUMMY_START_OFFSET + 8); } +// OBSOLETE +// OBSOLETE /* Push an empty stack frame, to record the current PC, etc. */ +// OBSOLETE +// OBSOLETE #define PUSH_DUMMY_FRAME { z8k_push_dummy_frame (); } +// OBSOLETE +// OBSOLETE extern void z8k_push_dummy_frame (void); +// OBSOLETE +// OBSOLETE extern void z8k_pop_frame (void); +// OBSOLETE +// OBSOLETE /* Discard from the stack the innermost frame, restoring all registers. */ +// OBSOLETE +// OBSOLETE #define POP_FRAME { z8k_pop_frame (); } +// OBSOLETE +// OBSOLETE /* Offset from SP to first arg on stack at first instruction of a function */ +// OBSOLETE +// OBSOLETE #define SP_ARG0 (1 * 4) +// OBSOLETE +// OBSOLETE extern CORE_ADDR z8k_addr_bits_remove (CORE_ADDR); +// OBSOLETE #define ADDR_BITS_REMOVE(addr) z8k_addr_bits_remove (addr) +// OBSOLETE int sim_z8001_mode; +// OBSOLETE #define BIG (sim_z8001_mode) +// OBSOLETE +// OBSOLETE #define read_memory_short(x) (read_memory_integer(x,2) & 0xffff) +// OBSOLETE +// OBSOLETE #define NO_STD_REGS +// OBSOLETE +// OBSOLETE extern void z8k_do_registers_info (int regnum, int all); +// OBSOLETE #define DEPRECATED_DO_REGISTERS_INFO(REGNUM,ALL) \ +// OBSOLETE z8k_do_registers_info (REGNUM, ALL) +// OBSOLETE +// OBSOLETE extern void z8k_set_pointer_size (int newsize); +// OBSOLETE #define INIT_EXTRA_SYMTAB_INFO \ +// OBSOLETE z8k_set_pointer_size(objfile->obfd->arch_info->bits_per_address); +// OBSOLETE +// OBSOLETE #define REGISTER_SIZE 4 |