| // 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 |
