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Diffstat (limited to 'gdb/config/w65/tm-w65.h')
-rw-r--r-- | gdb/config/w65/tm-w65.h | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/gdb/config/w65/tm-w65.h b/gdb/config/w65/tm-w65.h deleted file mode 100644 index 2e354bb..0000000 --- a/gdb/config/w65/tm-w65.h +++ /dev/null @@ -1,213 +0,0 @@ -/* Parameters for execution on a WDC 65816 machine. - Copyright (C) 1995 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. */ - -/* Contributed by Steve Chamberlain sac@cygnus.com */ - -#define GDB_TARGET_IS_W65 - -#define IEEE_FLOAT 1 - -/* Define the bit, byte, and word ordering of the machine. */ - -#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 w65_skip_prologue (); - -#define SKIP_PROLOGUE(ip) \ - {(ip) = w65_skip_prologue(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. - - The return address is the value saved in the PR register + 4 */ - -#define SAVED_PC_AFTER_CALL(frame) \ - saved_pc_after_call(frame) - - -/* Stack grows downward. */ - -#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) - -/* Illegal instruction - used by the simulator for breakpoint - detection */ - -#define BREAKPOINT {0xcb} /* WAI */ - -/* 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 - -/* Return 1 if P points to an invalid floating point value. */ - -#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */ - -/* Say how long registers are. */ -/*#define REGISTER_TYPE int*/ - -/* Say how much memory is needed to store a copy of the register set */ -#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. */ - -#define REGISTER_RAW_SIZE(N) (((N) < 16) ? 2 : 4) - -#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_short : builtin_type_unsigned_long) - -/* Initializer for an array of names of registers. - Entries beyond the first NUM_REGS are ignored. */ - -#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"} - -/* 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 SP_REGNUM 22 -#define FP_REGNUM 15 -#define NUM_REGS 27 -#define PC_REGNUM 16 -#define P_REGNUM 23 - -/* Store the address of the place in which to copy the structure the - subroutine will return. This is called from call_function. - - We store structs through a pointer passed in R4 */ - -#define STORE_STRUCT_RETURN(ADDR, SP) \ - { write_register (4, (ADDR)); } - -/* 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, (char *)(REGBUF), TYPE_LENGTH(TYPE)) - - -/* Write into appropriate registers a function return value - of type TYPE, given in virtual format. - - Things always get returned in R4/R5 */ - -#define STORE_RETURN_VALUE(TYPE,VALBUF) \ - write_register_bytes (REGISTER_BYTE(4), 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) (*(CORE_ADDR *)(REGBUF)) - -/* 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) \ - (FRAMELESS) = frameless_look_for_prologue(FI) - -#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 - -/* 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 */ - -#define FRAME_NUM_ARGS(val,fi) (val = -1) - -/* Return number of bytes at start of arglist that are not really args. */ - -#define FRAME_ARGS_SKIP 0 - -/* 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) \ - frame_find_saved_regs(frame_info, &(frame_saved_regs)) - -#define NAMES_HAVE_UNDERSCORE - -typedef unsigned short INSN_WORD; - -extern CORE_ADDR w65_addr_bits_remove PARAMS ((CORE_ADDR)); -#define ADDR_BITS_REMOVE(addr) w65_addr_bits_remove (addr) - -#define CALL_DUMMY_LENGTH 10 - -/* Discard from the stack the innermost frame, - restoring all saved registers. */ - -#define POP_FRAME pop_frame(); - - -#define NOP {0xea} - -#define REGISTER_SIZE 4 - -#define PRINT_REGISTER_HOOK(regno) print_register_hook(regno) - -#define TARGET_INT_BIT 16 -#define TARGET_LONG_BIT 32 -#define TARGET_PTR_BIT 32 |