gdb/config/w65/tm-w65.h

   1 /* OBSOLETE /* Parameters for execution on a WDC 65816 machine. */
   2 /* OBSOLETE    Copyright 1995, 1998, 1999, 2000 Free Software Foundation, Inc. */
   3 /* OBSOLETE  */
   4 /* OBSOLETE    This file is part of GDB. */
   5 /* OBSOLETE  */
   6 /* OBSOLETE    This program is free software; you can redistribute it and/or modify */
   7 /* OBSOLETE    it under the terms of the GNU General Public License as published by */
   8 /* OBSOLETE    the Free Software Foundation; either version 2 of the License, or */
   9 /* OBSOLETE    (at your option) any later version. */
  10 /* OBSOLETE  */
  11 /* OBSOLETE    This program is distributed in the hope that it will be useful, */
  12 /* OBSOLETE    but WITHOUT ANY WARRANTY; without even the implied warranty of */
  13 /* OBSOLETE    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the */
  14 /* OBSOLETE    GNU General Public License for more details. */
  15 /* OBSOLETE  */
  16 /* OBSOLETE    You should have received a copy of the GNU General Public License */
  17 /* OBSOLETE    along with this program; if not, write to the Free Software */
  18 /* OBSOLETE    Foundation, Inc., 59 Temple Place - Suite 330, */
  19 /* OBSOLETE    Boston, MA 02111-1307, USA.  */ */
  20 /* OBSOLETE  */
  21 /* OBSOLETE #include "regcache.h" */
  22 /* OBSOLETE  */
  23 /* OBSOLETE /* Contributed by Steve Chamberlain sac@cygnus.com */ */
  24 /* OBSOLETE  */
  25 /* OBSOLETE #define GDB_TARGET_IS_W65 */
  26 /* OBSOLETE  */
  27 /* OBSOLETE #define IEEE_FLOAT (1) */
  28 /* OBSOLETE  */
  29 /* OBSOLETE /* Define the bit, byte, and word ordering of the machine.  */ */
  30 /* OBSOLETE  */
  31 /* OBSOLETE #define TARGET_BYTE_ORDER LITTLE_ENDIAN */
  32 /* OBSOLETE  */
  33 /* OBSOLETE  */
  34 /* OBSOLETE /* Offset from address of function to start of its code. */
  35 /* OBSOLETE    Zero on most machines.  */ */
  36 /* OBSOLETE  */
  37 /* OBSOLETE #define FUNCTION_START_OFFSET 0 */
  38 /* OBSOLETE  */
  39 /* OBSOLETE /* Advance PC across any function entry prologue instructions */
  40 /* OBSOLETE    to reach some "real" code.  */ */
  41 /* OBSOLETE  */
  42 /* OBSOLETE extern CORE_ADDR w65_skip_prologue (); */
  43 /* OBSOLETE  */
  44 /* OBSOLETE #define SKIP_PROLOGUE(ip) \ */
  45 /* OBSOLETE     {(ip) = w65_skip_prologue(ip);} */
  46 /* OBSOLETE  */
  47 /* OBSOLETE  */
  48 /* OBSOLETE /* Immediately after a function call, return the saved pc. */
  49 /* OBSOLETE    Can't always go through the frames for this because on some machines */
  50 /* OBSOLETE    the new frame is not set up until the new function executes */
  51 /* OBSOLETE    some instructions.  */
  52 /* OBSOLETE  */
  53 /* OBSOLETE    The return address is the value saved in the PR register + 4  */ */
  54 /* OBSOLETE  */
  55 /* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) \ */
  56 /* OBSOLETE   saved_pc_after_call(frame) */
  57 /* OBSOLETE  */
  58 /* OBSOLETE  */
  59 /* OBSOLETE /* Stack grows downward.  */ */
  60 /* OBSOLETE  */
  61 /* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */
  62 /* OBSOLETE  */
  63 /* OBSOLETE /* Illegal instruction - used by the simulator for breakpoint */
  64 /* OBSOLETE    detection */ */
  65 /* OBSOLETE  */
  66 /* OBSOLETE #define BREAKPOINT {0xcb}   /* WAI */ */
  67 /* OBSOLETE  */
  68 /* OBSOLETE /* If your kernel resets the pc after the trap happens you may need to */
  69 /* OBSOLETE    define this before including this file.  */ */
  70 /* OBSOLETE #define DECR_PC_AFTER_BREAK 0 */
  71 /* OBSOLETE  */
  72 /* OBSOLETE /* Return 1 if P points to an invalid floating point value.  */ */
  73 /* OBSOLETE  */
  74 /* OBSOLETE #define INVALID_FLOAT(p, len) 0     /* Just a first guess; not checked */ */
  75 /* OBSOLETE  */
  76 /* OBSOLETE /* Say how long registers are.  */ */
  77 /* OBSOLETE /*#define REGISTER_TYPE  int */ */
  78 /* OBSOLETE  */
  79 /* OBSOLETE /* Say how much memory is needed to store a copy of the register set */ */
  80 /* OBSOLETE #define REGISTER_BYTES    (NUM_REGS*4) */
  81 /* OBSOLETE  */
  82 /* OBSOLETE /* Index within `registers' of the first byte of the space for */
  83 /* OBSOLETE    register N.  */ */
  84 /* OBSOLETE  */
  85 /* OBSOLETE #define REGISTER_BYTE(N)  ((N)*4) */
  86 /* OBSOLETE  */
  87 /* OBSOLETE /* Number of bytes of storage in the actual machine representation */
  88 /* OBSOLETE    for register N.  */ */
  89 /* OBSOLETE  */
  90 /* OBSOLETE #define REGISTER_RAW_SIZE(N)     (((N) < 16) ? 2 : 4) */
  91 /* OBSOLETE  */
  92 /* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N)  REGISTER_RAW_SIZE(N) */
  93 /* OBSOLETE  */
  94 /* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have.  */ */
  95 /* OBSOLETE  */
  96 /* OBSOLETE #define MAX_REGISTER_RAW_SIZE 4 */
  97 /* OBSOLETE  */
  98 /* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have.  */ */
  99 /* OBSOLETE  */
 100 /* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE 4 */
 101 /* OBSOLETE  */
 102 /* OBSOLETE /* Return the GDB type object for the "standard" data type */
 103 /* OBSOLETE    of data in register N.  */ */
 104 /* OBSOLETE  */
 105 /* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) \ */
 106 /* OBSOLETE   (REGISTER_VIRTUAL_SIZE(N) == 2 ? builtin_type_unsigned_short : builtin_type_unsigned_long) */
 107 /* OBSOLETE  */
 108 /* OBSOLETE /* Initializer for an array of names of registers. */
 109 /* OBSOLETE    Entries beyond the first NUM_REGS are ignored.  */ */
 110 /* OBSOLETE  */
 111 /* OBSOLETE #define REGISTER_NAMES \ */
 112 /* OBSOLETE   {"r0","r1","r2", "r3", "r4", "r5", "r6", "r7",  \ */
 113 /* OBSOLETE    "r8","r9","r10","r11","r12","r13","r14","r15", \ */
 114 /* OBSOLETE    "pc","a", "x",  "y",  "dbr","d",  "s",  "p",   \ */
 115 /* OBSOLETE    "ticks","cycles","insts"} */
 116 /* OBSOLETE  */
 117 /* OBSOLETE /* Register numbers of various important registers. */
 118 /* OBSOLETE    Note that some of these values are "real" register numbers, */
 119 /* OBSOLETE    and correspond to the general registers of the machine, */
 120 /* OBSOLETE    and some are "phony" register numbers which are too large */
 121 /* OBSOLETE    to be actual register numbers as far as the user is concerned */
 122 /* OBSOLETE    but do serve to get the desired values when passed to read_register.  */ */
 123 /* OBSOLETE  */
 124 /* OBSOLETE #define SP_REGNUM  22 */
 125 /* OBSOLETE #define FP_REGNUM  15 */
 126 /* OBSOLETE #define NUM_REGS   27 */
 127 /* OBSOLETE #define PC_REGNUM  16 */
 128 /* OBSOLETE #define P_REGNUM   23 */
 129 /* OBSOLETE  */
 130 /* OBSOLETE /* Store the address of the place in which to copy the structure the */
 131 /* OBSOLETE    subroutine will return.  This is called from call_function.  */
 132 /* OBSOLETE  */
 133 /* OBSOLETE    We store structs through a pointer passed in R4 */ */
 134 /* OBSOLETE  */
 135 /* OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) \ */
 136 /* OBSOLETE     { write_register (4, (ADDR));  } */
 137 /* OBSOLETE  */
 138 /* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */
 139 /* OBSOLETE    a function return value of type TYPE, and copy that, in virtual format, */
 140 /* OBSOLETE    into VALBUF.  */ */
 141 /* OBSOLETE  */
 142 /* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */
 143 /* OBSOLETE   memcpy (VALBUF, (char *)(REGBUF), TYPE_LENGTH(TYPE)) */
 144 /* OBSOLETE  */
 145 /* OBSOLETE  */
 146 /* OBSOLETE /* Write into appropriate registers a function return value */
 147 /* OBSOLETE    of type TYPE, given in virtual format.   */
 148 /* OBSOLETE  */
 149 /* OBSOLETE    Things always get returned in R4/R5 */ */
 150 /* OBSOLETE  */
 151 /* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */
 152 /* OBSOLETE   write_register_bytes (REGISTER_BYTE(4), VALBUF, TYPE_LENGTH (TYPE)) */
 153 /* OBSOLETE  */
 154 /* OBSOLETE  */
 155 /* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */
 156 /* OBSOLETE    the address in which a function should return its structure value, */
 157 /* OBSOLETE    as a CORE_ADDR (or an expression that can be used as one).  */ */
 158 /* OBSOLETE  */
 159 /* OBSOLETE #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(CORE_ADDR *)(REGBUF)) */
 160 /* OBSOLETE  */
 161 /* OBSOLETE /* A macro that tells us whether the function invocation represented */
 162 /* OBSOLETE    by FI does not have a frame on the stack associated with it.  If it */
 163 /* OBSOLETE    does not, FRAMELESS is set to 1, else 0.  */ */
 164 /* OBSOLETE  */
 165 /* OBSOLETE #define FRAMELESS_FUNCTION_INVOCATION(FI) \ */
 166 /* OBSOLETE   (frameless_look_for_prologue (FI)) */
 167 /* OBSOLETE  */
 168 /* OBSOLETE #define FRAME_CHAIN(FRAME)       w65_frame_chain(FRAME) */
 169 /* OBSOLETE #define FRAME_SAVED_PC(FRAME)    (w65_frame_saved_pc(FRAME)) */
 170 /* OBSOLETE #define FRAME_ARGS_ADDRESS(fi)   (fi)->frame */
 171 /* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) (fi)->frame */
 172 /* OBSOLETE  */
 173 /* OBSOLETE /* Set VAL to the number of args passed to frame described by FI. */
 174 /* OBSOLETE    Can set VAL to -1, meaning no way to tell.  */ */
 175 /* OBSOLETE  */
 176 /* OBSOLETE /* We can't tell how many args there are */ */
 177 /* OBSOLETE  */
 178 /* OBSOLETE #define FRAME_NUM_ARGS(fi) (-1) */
 179 /* OBSOLETE  */
 180 /* OBSOLETE /* Return number of bytes at start of arglist that are not really args.  */ */
 181 /* OBSOLETE  */
 182 /* OBSOLETE #define FRAME_ARGS_SKIP 0 */
 183 /* OBSOLETE  */
 184 /* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */
 185 /* OBSOLETE    the addresses of the saved registers of frame described by FRAME_INFO. */
 186 /* OBSOLETE    This includes special registers such as pc and fp saved in special */
 187 /* OBSOLETE    ways in the stack frame.  sp is even more special: */
 188 /* OBSOLETE    the address we return for it IS the sp for the next frame.  */ */
 189 /* OBSOLETE  */
 190 /* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs)     \ */
 191 /* OBSOLETE    frame_find_saved_regs(frame_info, &(frame_saved_regs)) */
 192 /* OBSOLETE  */
 193 /* OBSOLETE typedef unsigned short INSN_WORD; */
 194 /* OBSOLETE  */
 195 /* OBSOLETE extern CORE_ADDR w65_addr_bits_remove (CORE_ADDR); */
 196 /* OBSOLETE #define ADDR_BITS_REMOVE(addr) w65_addr_bits_remove (addr) */
 197 /* OBSOLETE  */
 198 /* OBSOLETE #define CALL_DUMMY_LENGTH 10 */
 199 /* OBSOLETE  */
 200 /* OBSOLETE /* Discard from the stack the innermost frame, */
 201 /* OBSOLETE    restoring all saved registers.  */ */
 202 /* OBSOLETE  */
 203 /* OBSOLETE #define POP_FRAME pop_frame(); */
 204 /* OBSOLETE  */
 205 /* OBSOLETE  */
 206 /* OBSOLETE #define NOP   {0xea} */
 207 /* OBSOLETE  */
 208 /* OBSOLETE #define REGISTER_SIZE 4 */
 209 /* OBSOLETE  */
 210 /* OBSOLETE #define     PRINT_REGISTER_HOOK(regno) print_register_hook(regno) */
 211 /* OBSOLETE  */
 212 /* OBSOLETE #define TARGET_INT_BIT  16 */
 213 /* OBSOLETE #define TARGET_LONG_BIT 32 */
 214 /* OBSOLETE #define TARGET_PTR_BIT  32 */