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- This comparison shows the changes necessary to convert path
/or1k/trunk/gdb-5.0/gdb/config/w65
- from Rev 107 to Rev 1765
- ↔ Reverse comparison
Rev 107 → Rev 1765
/w65.mt
0,0 → 1,8
# Target: WDC 65816 with simulator |
TDEPFILES= w65-tdep.o |
TM_FILE= tm-w65.h |
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SIM_OBS = remote-sim.o |
SIM = ../sim/w65/libsim.a |
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/tm-w65.h
0,0 → 1,212
/* Parameters for execution on a WDC 65816 machine. |
Copyright (C) 1995 Free Software Foundation, Inc. |
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This file is part of GDB. |
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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. |
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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. */ |
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/* Contributed by Steve Chamberlain sac@cygnus.com */ |
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#define GDB_TARGET_IS_W65 |
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#define IEEE_FLOAT 1 |
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/* Define the bit, byte, and word ordering of the machine. */ |
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#define TARGET_BYTE_ORDER LITTLE_ENDIAN |
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/* Offset from address of function to start of its code. |
Zero on most machines. */ |
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#define FUNCTION_START_OFFSET 0 |
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/* Advance PC across any function entry prologue instructions |
to reach some "real" code. */ |
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extern CORE_ADDR w65_skip_prologue (); |
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#define SKIP_PROLOGUE(ip) \ |
{(ip) = w65_skip_prologue(ip);} |
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/* 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. |
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The return address is the value saved in the PR register + 4 */ |
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#define SAVED_PC_AFTER_CALL(frame) \ |
saved_pc_after_call(frame) |
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/* Stack grows downward. */ |
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#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) |
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/* Illegal instruction - used by the simulator for breakpoint |
detection */ |
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#define BREAKPOINT {0xcb} /* WAI */ |
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/* 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 |
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/* Return 1 if P points to an invalid floating point value. */ |
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#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */ |
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/* Say how long registers are. */ |
/*#define REGISTER_TYPE int */ |
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/* Say how much memory is needed to store a copy of the register set */ |
#define REGISTER_BYTES (NUM_REGS*4) |
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/* Index within `registers' of the first byte of the space for |
register N. */ |
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#define REGISTER_BYTE(N) ((N)*4) |
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/* Number of bytes of storage in the actual machine representation |
for register N. */ |
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#define REGISTER_RAW_SIZE(N) (((N) < 16) ? 2 : 4) |
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#define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N) |
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/* Largest value REGISTER_RAW_SIZE can have. */ |
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#define MAX_REGISTER_RAW_SIZE 4 |
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/* Largest value REGISTER_VIRTUAL_SIZE can have. */ |
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#define MAX_REGISTER_VIRTUAL_SIZE 4 |
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/* Return the GDB type object for the "standard" data type |
of data in register N. */ |
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#define REGISTER_VIRTUAL_TYPE(N) \ |
(REGISTER_VIRTUAL_SIZE(N) == 2 ? builtin_type_unsigned_short : builtin_type_unsigned_long) |
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/* Initializer for an array of names of registers. |
Entries beyond the first NUM_REGS are ignored. */ |
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#define REGISTER_NAMES \ |
{"r0","r1","r2", "r3", "r4", "r5", "r6", "r7", \ |
"r8","r9","r10","r11","r12","r13","r14","r15", \ |
"pc","a", "x", "y", "dbr","d", "s", "p", \ |
"ticks","cycles","insts"} |
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/* 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. */ |
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#define SP_REGNUM 22 |
#define FP_REGNUM 15 |
#define NUM_REGS 27 |
#define PC_REGNUM 16 |
#define P_REGNUM 23 |
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/* Store the address of the place in which to copy the structure the |
subroutine will return. This is called from call_function. |
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We store structs through a pointer passed in R4 */ |
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#define STORE_STRUCT_RETURN(ADDR, SP) \ |
{ write_register (4, (ADDR)); } |
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/* 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. */ |
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#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ |
memcpy (VALBUF, (char *)(REGBUF), TYPE_LENGTH(TYPE)) |
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/* Write into appropriate registers a function return value |
of type TYPE, given in virtual format. |
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Things always get returned in R4/R5 */ |
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#define STORE_RETURN_VALUE(TYPE,VALBUF) \ |
write_register_bytes (REGISTER_BYTE(4), VALBUF, TYPE_LENGTH (TYPE)) |
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/* 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). */ |
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#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF)) |
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/* 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. */ |
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#define FRAMELESS_FUNCTION_INVOCATION(FI) \ |
(frameless_look_for_prologue (FI)) |
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#define FRAME_CHAIN(FRAME) w65_frame_chain(FRAME) |
#define FRAME_SAVED_PC(FRAME) (w65_frame_saved_pc(FRAME)) |
#define FRAME_ARGS_ADDRESS(fi) (fi)->frame |
#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame |
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/* Set VAL to the number of args passed to frame described by FI. |
Can set VAL to -1, meaning no way to tell. */ |
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/* We can't tell how many args there are */ |
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#define FRAME_NUM_ARGS(fi) (-1) |
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/* Return number of bytes at start of arglist that are not really args. */ |
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#define FRAME_ARGS_SKIP 0 |
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/* 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. */ |
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#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ |
frame_find_saved_regs(frame_info, &(frame_saved_regs)) |
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typedef unsigned short INSN_WORD; |
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extern CORE_ADDR w65_addr_bits_remove PARAMS ((CORE_ADDR)); |
#define ADDR_BITS_REMOVE(addr) w65_addr_bits_remove (addr) |
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#define CALL_DUMMY_LENGTH 10 |
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/* Discard from the stack the innermost frame, |
restoring all saved registers. */ |
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#define POP_FRAME pop_frame(); |
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#define NOP {0xea} |
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#define REGISTER_SIZE 4 |
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#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno) |
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#define TARGET_INT_BIT 16 |
#define TARGET_LONG_BIT 32 |
#define TARGET_PTR_BIT 32 |