gdb/config/gould/tm-np1.h

   1 /* OBSOLETE /* Parameters for targeting on a Gould NP1, for GDB, the GNU debugger. */
   2 /* OBSOLETE    Copyright 1986, 1987, 1989, 1991, 1993 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, Boston, MA 02111-1307, USA.  *x/ */
  19 /* OBSOLETE  */
  20 /* OBSOLETE #define GOULD_NPL */
  21 /* OBSOLETE  */
  22 /* OBSOLETE #define TARGET_BYTE_ORDER BIG_ENDIAN */
  23 /* OBSOLETE  */
  24 /* OBSOLETE /* N_ENTRY appears in libraries on Gould machines. */
  25 /* OBSOLETE    Don't know what 0xa4 is; it's mentioned in stab.h */
  26 /* OBSOLETE    but only in the sdb symbol list.  *x/ */
  27 /* OBSOLETE #define IGNORE_SYMBOL(type) (type == N_ENTRY || type == 0xa4) */
  28 /* OBSOLETE  */
  29 /* OBSOLETE /* We don't want the extra gnu symbols on the machine; */
  30 /* OBSOLETE    they will interfere with the shared segment symbols.  *x/ */
  31 /* OBSOLETE #define NO_GNU_STABS */
  32 /* OBSOLETE  */
  33 /* OBSOLETE /* Macro for text-offset and data info (in NPL a.out format).  *x/ */
  34 /* OBSOLETE #define     TEXTINFO                                                \ */
  35 /* OBSOLETE         text_offset = N_TXTOFF (exec_coffhdr, exec_aouthdr);        \ */
  36 /* OBSOLETE         exec_data_offset = N_TXTOFF (exec_coffhdr, exec_aouthdr)\ */
  37 /* OBSOLETE                 + exec_aouthdr.a_text */
  38 /* OBSOLETE  */
  39 /* OBSOLETE /* Macro for number of symbol table entries *x/ */
  40 /* OBSOLETE #define NUMBER_OF_SYMBOLS                                   \ */
  41 /* OBSOLETE     (coffhdr.f_nsyms) */
  42 /* OBSOLETE  */
  43 /* OBSOLETE /* Macro for file-offset of symbol table (in NPL a.out format).  *x/ */
  44 /* OBSOLETE #define SYMBOL_TABLE_OFFSET                                 \ */
  45 /* OBSOLETE     N_SYMOFF (coffhdr) */
  46 /* OBSOLETE  */
  47 /* OBSOLETE /* Macro for file-offset of string table (in NPL a.out format).  *x/ */
  48 /* OBSOLETE #define STRING_TABLE_OFFSET                                 \ */
  49 /* OBSOLETE     (N_STROFF (coffhdr)) */
  50 /* OBSOLETE  */
  51 /* OBSOLETE /* Macro to store the length of the string table data in INTO.  *x/ */
  52 /* OBSOLETE #define READ_STRING_TABLE_SIZE(INTO)                                \ */
  53 /* OBSOLETE     { INTO = hdr.a_stsize; } */
  54 /* OBSOLETE  */
  55 /* OBSOLETE /* Macro to declare variables to hold the file's header data.  *x/ */
  56 /* OBSOLETE #define DECLARE_FILE_HEADERS  struct exec hdr;                      \ */
  57 /* OBSOLETE                           FILHDR coffhdr */
  58 /* OBSOLETE  */
  59 /* OBSOLETE /* Macro to read the header data from descriptor DESC and validate it. */
  60 /* OBSOLETE    NAME is the file name, for error messages.  *x/ */
  61 /* OBSOLETE #define READ_FILE_HEADERS(DESC, NAME)                               \ */
  62 /* OBSOLETE { val = myread (DESC, &coffhdr, sizeof coffhdr);            \ */
  63 /* OBSOLETE   if (val < 0)                                                      \ */
  64 /* OBSOLETE     perror_with_name (NAME);                                        \ */
  65 /* OBSOLETE   val = myread (DESC, &hdr, sizeof hdr);                    \ */
  66 /* OBSOLETE   if (val < 0)                                                      \ */
  67 /* OBSOLETE     perror_with_name (NAME);                                        \ */
  68 /* OBSOLETE   if (coffhdr.f_magic != GNP1MAGIC)                         \ */
  69 /* OBSOLETE     error ("File \"%s\" not in coff executable format.", NAME);     \ */
  70 /* OBSOLETE   if (N_BADMAG (hdr))                                               \ */
  71 /* OBSOLETE     error ("File \"%s\" not in executable format.", NAME); } */
  72 /* OBSOLETE  */
  73 /* OBSOLETE /* Define COFF and other symbolic names needed on NP1 *x/ */
  74 /* OBSOLETE #define     NS32GMAGIC      GNP1MAGIC */
  75 /* OBSOLETE #define     NS32SMAGIC      GPNMAGIC */
  76 /* OBSOLETE  */
  77 /* OBSOLETE /* Address of blocks in N_LBRAC and N_RBRAC symbols are absolute addresses, */
  78 /* OBSOLETE    not relative to start of source address.  *x/ */
  79 /* OBSOLETE #define BLOCK_ADDRESS_ABSOLUTE */
  80 /* OBSOLETE  */
  81 /* OBSOLETE /* Offset from address of function to start of its code. */
  82 /* OBSOLETE    Zero on most machines.  *x/ */
  83 /* OBSOLETE #define FUNCTION_START_OFFSET       8 */
  84 /* OBSOLETE  */
  85 /* OBSOLETE /* Advance PC across any function entry prologue instructions */
  86 /* OBSOLETE    to reach some "real" code.  One NPL we can have one two startup */
  87 /* OBSOLETE    sequences depending on the size of the local stack: */
  88 /* OBSOLETE  */
  89 /* OBSOLETE    Either: */
  90 /* OBSOLETE       "suabr b2, #" */
  91 /* OBSOLETE    of */
  92 /* OBSOLETE       "lil r4, #", "suabr b2, #(r4)" */
  93 /* OBSOLETE  */
  94 /* OBSOLETE    "lwbr b6, #", "stw r1, 8(b2)" */
  95 /* OBSOLETE    Optional "stwbr b3, c(b2)" */
  96 /* OBSOLETE    Optional "trr r2,r7"      (Gould first argument register passing) */
  97 /* OBSOLETE      or */
  98 /* OBSOLETE    Optional "stw r2,8(b3)"   (Gould first argument register passing) */
  99 /* OBSOLETE  *x/ */
 100 /* OBSOLETE #define SKIP_PROLOGUE(pc) {                                                 \ */
 101 /* OBSOLETE     register int op = read_memory_integer ((pc), 4);                \ */
 102 /* OBSOLETE     if ((op & 0xffff0000) == 0xFA0B0000) {                          \ */
 103 /* OBSOLETE         pc += 4;                                                    \ */
 104 /* OBSOLETE         op = read_memory_integer ((pc), 4);                         \ */
 105 /* OBSOLETE         if ((op & 0xffff0000) == 0x59400000) {                      \ */
 106 /* OBSOLETE             pc += 4;                                                \ */
 107 /* OBSOLETE             op = read_memory_integer ((pc), 4);                     \ */
 108 /* OBSOLETE             if ((op & 0xffff0000) == 0x5F000000) {                  \ */
 109 /* OBSOLETE                 pc += 4;                                            \ */
 110 /* OBSOLETE                 op = read_memory_integer ((pc), 4);                 \ */
 111 /* OBSOLETE                 if (op == 0xD4820008) {                             \ */
 112 /* OBSOLETE                     pc += 4;                                        \ */
 113 /* OBSOLETE                     op = read_memory_integer ((pc), 4);             \ */
 114 /* OBSOLETE                     if (op == 0x5582000C) {                         \ */
 115 /* OBSOLETE                         pc += 4;                                    \ */
 116 /* OBSOLETE                         op = read_memory_integer ((pc), 2);         \ */
 117 /* OBSOLETE                         if (op == 0x2fa0) {                         \ */
 118 /* OBSOLETE                             pc += 2;                                \ */
 119 /* OBSOLETE                         } else {                                    \ */
 120 /* OBSOLETE                             op = read_memory_integer ((pc), 4);     \ */
 121 /* OBSOLETE                             if (op == 0xd5030008) {                 \ */
 122 /* OBSOLETE                                 pc += 4;                            \ */
 123 /* OBSOLETE                             }                                       \ */
 124 /* OBSOLETE                         }                                           \ */
 125 /* OBSOLETE                     } else {                                        \ */
 126 /* OBSOLETE                         op = read_memory_integer ((pc), 2);         \ */
 127 /* OBSOLETE                         if (op == 0x2fa0) {                         \ */
 128 /* OBSOLETE                             pc += 2;                                \ */
 129 /* OBSOLETE                         }                                           \ */
 130 /* OBSOLETE                     }                                               \ */
 131 /* OBSOLETE                 }                                                   \ */
 132 /* OBSOLETE             }                                                       \ */
 133 /* OBSOLETE         }                                                           \ */
 134 /* OBSOLETE     }                                                               \ */
 135 /* OBSOLETE     if ((op & 0xffff0000) == 0x59000000) {                          \ */
 136 /* OBSOLETE         pc += 4;                                                    \ */
 137 /* OBSOLETE         op = read_memory_integer ((pc), 4);                         \ */
 138 /* OBSOLETE         if ((op & 0xffff0000) == 0x5F000000) {                      \ */
 139 /* OBSOLETE             pc += 4;                                                \ */
 140 /* OBSOLETE             op = read_memory_integer ((pc), 4);                     \ */
 141 /* OBSOLETE             if (op == 0xD4820008) {                                 \ */
 142 /* OBSOLETE                 pc += 4;                                            \ */
 143 /* OBSOLETE                 op = read_memory_integer ((pc), 4);                 \ */
 144 /* OBSOLETE                 if (op == 0x5582000C) {                             \ */
 145 /* OBSOLETE                     pc += 4;                                        \ */
 146 /* OBSOLETE                     op = read_memory_integer ((pc), 2);             \ */
 147 /* OBSOLETE                     if (op == 0x2fa0) {                             \ */
 148 /* OBSOLETE                         pc += 2;                                    \ */
 149 /* OBSOLETE                     } else {                                        \ */
 150 /* OBSOLETE                         op = read_memory_integer ((pc), 4);         \ */
 151 /* OBSOLETE                         if (op == 0xd5030008) {                     \ */
 152 /* OBSOLETE                             pc += 4;                                \ */
 153 /* OBSOLETE                         }                                           \ */
 154 /* OBSOLETE                     }                                               \ */
 155 /* OBSOLETE                 } else {                                            \ */
 156 /* OBSOLETE                     op = read_memory_integer ((pc), 2);             \ */
 157 /* OBSOLETE                     if (op == 0x2fa0) {                             \ */
 158 /* OBSOLETE                         pc += 2;                                    \ */
 159 /* OBSOLETE                     }                                               \ */
 160 /* OBSOLETE                 }                                                   \ */
 161 /* OBSOLETE             }                                                       \ */
 162 /* OBSOLETE         }                                                           \ */
 163 /* OBSOLETE     }                                                               \ */
 164 /* OBSOLETE } */
 165 /* OBSOLETE  */
 166 /* OBSOLETE /* Immediately after a function call, return the saved pc. */
 167 /* OBSOLETE    Can't go through the frames for this because on some machines */
 168 /* OBSOLETE    the new frame is not set up until the new function executes */
 169 /* OBSOLETE    some instructions.  True on NPL! Return address is in R1. */
 170 /* OBSOLETE    The true return address is REALLY 4 past that location! *x/ */
 171 /* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) \ */
 172 /* OBSOLETE     (read_register(R1_REGNUM) + 4) */
 173 /* OBSOLETE  */
 174 /* OBSOLETE /* Address of end of stack space.  *x/ */
 175 /* OBSOLETE #define STACK_END_ADDR              0x7fffc000 */
 176 /* OBSOLETE  */
 177 /* OBSOLETE /* Stack grows downward.  *x/ */
 178 /* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */
 179 /* OBSOLETE  */
 180 /* OBSOLETE /* Sequence of bytes for breakpoint instruction. */
 181 /* OBSOLETE    This is padded out to the size of a machine word.  When it was just */
 182 /* OBSOLETE    {0x28, 0x09} it gave problems if hit breakpoint on returning from a */
 183 /* OBSOLETE    function call.  *x/ */
 184 /* OBSOLETE #define BREAKPOINT          {0x28, 0x09, 0x0, 0x0} */
 185 /* OBSOLETE  */
 186 /* OBSOLETE /* Amount PC must be decremented by after a breakpoint. */
 187 /* OBSOLETE    This is often the number of bytes in BREAKPOINT */
 188 /* OBSOLETE    but not always.  *x/ */
 189 /* OBSOLETE #define DECR_PC_AFTER_BREAK 2 */
 190 /* OBSOLETE  */
 191 /* OBSOLETE /* Return 1 if P points to an invalid floating point value.  *x/ */
 192 /* OBSOLETE #define INVALID_FLOAT(p, len)       ((*(short *)p & 0xff80) == 0x8000) */
 193 /* OBSOLETE  */
 194 /* OBSOLETE /* Say how long (ordinary) registers are.  This is a piece of bogosity */
 195 /* OBSOLETE    used in push_word and a few other places; REGISTER_RAW_SIZE is the */
 196 /* OBSOLETE    real way to know how big a register is.  *x/ */
 197 /* OBSOLETE  */
 198 /* OBSOLETE #define REGISTER_SIZE 4 */
 199 /* OBSOLETE  */
 200 /* OBSOLETE /* Size of bytes of vector register (NP1 only), 32 elements * sizeof(int) *x/ */
 201 /* OBSOLETE #define VR_SIZE                     128 */
 202 /* OBSOLETE  */
 203 /* OBSOLETE /* Number of machine registers *x/ */
 204 /* OBSOLETE #define NUM_REGS            27 */
 205 /* OBSOLETE #define NUM_GEN_REGS                16 */
 206 /* OBSOLETE #define NUM_CPU_REGS                4 */
 207 /* OBSOLETE #define NUM_VECTOR_REGS             7 */
 208 /* OBSOLETE  */
 209 /* OBSOLETE /* Initializer for an array of names of registers. */
 210 /* OBSOLETE    There should be NUM_REGS strings in this initializer.  *x/ */
 211 /* OBSOLETE #define REGISTER_NAMES { \ */
 212 /* OBSOLETE   "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ */
 213 /* OBSOLETE   "b0", "b1", "b2", "b3", "b4", "b5", "b6", "b7", \ */
 214 /* OBSOLETE   "sp", "ps", "pc", "ve", \ */
 215 /* OBSOLETE   "v1", "v2", "v3", "v4", "v5", "v6", "v7", \ */
 216 /* OBSOLETE } */
 217 /* OBSOLETE  */
 218 /* OBSOLETE /* Register numbers of various important registers. */
 219 /* OBSOLETE    Note that some of these values are "real" register numbers, */
 220 /* OBSOLETE    and correspond to the general registers of the machine, */
 221 /* OBSOLETE    and some are "phony" register numbers which are too large */
 222 /* OBSOLETE    to be actual register numbers as far as the user is concerned */
 223 /* OBSOLETE    but do serve to get the desired values when passed to read_register.  *x/ */
 224 /* OBSOLETE #define R1_REGNUM   1       /* Gr1 => return address of caller *x/ */
 225 /* OBSOLETE #define R2_REGNUM   2       /* Gr2 => return value from function *x/ */
 226 /* OBSOLETE #define R4_REGNUM   4       /* Gr4 => register save area *x/ */
 227 /* OBSOLETE #define R5_REGNUM   5       /* Gr5 => register save area *x/ */
 228 /* OBSOLETE #define R6_REGNUM   6       /* Gr6 => register save area *x/ */
 229 /* OBSOLETE #define R7_REGNUM   7       /* Gr7 => register save area *x/ */
 230 /* OBSOLETE #define B1_REGNUM   9       /* Br1 => start of this code routine *x/ */
 231 /* OBSOLETE #define SP_REGNUM   10      /* Br2 == (sp) *x/ */
 232 /* OBSOLETE #define AP_REGNUM   11      /* Br3 == (ap) *x/ */
 233 /* OBSOLETE #define FP_REGNUM   16      /* A copy of Br2 saved in trap *x/ */
 234 /* OBSOLETE #define PS_REGNUM   17      /* Contains processor status *x/ */
 235 /* OBSOLETE #define PC_REGNUM   18      /* Contains program counter *x/ */
 236 /* OBSOLETE #define VE_REGNUM   19      /* Vector end (user setup) register *x/ */
 237 /* OBSOLETE #define V1_REGNUM   20      /* First vector register *x/ */
 238 /* OBSOLETE #define V7_REGNUM   26      /* First vector register *x/ */
 239 /* OBSOLETE  */
 240 /* OBSOLETE /* Total amount of space needed to store our copies of the machine's */
 241 /* OBSOLETE    register state, the array `registers'.  *x/ */
 242 /* OBSOLETE #define REGISTER_BYTES \ */
 243 /* OBSOLETE     (NUM_GEN_REGS*4 + NUM_VECTOR_REGS*VR_SIZE + NUM_CPU_REGS*4) */
 244 /* OBSOLETE  */
 245 /* OBSOLETE /* Index within `registers' of the first byte of the space for */
 246 /* OBSOLETE    register N.  *x/ */
 247 /* OBSOLETE #define REGISTER_BYTE(N)  \ */
 248 /* OBSOLETE     (((N) < V1_REGNUM) ? ((N) * 4) : (((N) - V1_REGNUM) * VR_SIZE) + 80) */
 249 /* OBSOLETE  */
 250 /* OBSOLETE /* Number of bytes of storage in the actual machine representation */
 251 /* OBSOLETE    for register N.  On the NP1, all normal regs are 4 bytes, but */
 252 /* OBSOLETE    the vector registers are VR_SIZE*4 bytes long. *x/ */
 253 /* OBSOLETE #define REGISTER_RAW_SIZE(N) \ */
 254 /* OBSOLETE     (((N) < V1_REGNUM) ? 4 : VR_SIZE) */
 255 /* OBSOLETE  */
 256 /* OBSOLETE /* Number of bytes of storage in the program's representation */
 257 /* OBSOLETE    for register N.  On the NP1, all regs are 4 bytes. *x/ */
 258 /* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) \ */
 259 /* OBSOLETE     (((N) < V1_REGNUM) ? 4 : VR_SIZE) */
 260 /* OBSOLETE  */
 261 /* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have.  *x/ */
 262 /* OBSOLETE #define MAX_REGISTER_RAW_SIZE               VR_SIZE */
 263 /* OBSOLETE  */
 264 /* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have.  *x/ */
 265 /* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE   VR_SIZE */
 266 /* OBSOLETE  */
 267 /* OBSOLETE /* Return the GDB type object for the "standard" data type */
 268 /* OBSOLETE    of data in register N.  *x/ */
 269 /* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N)    \ */
 270 /* OBSOLETE   ((N) > VE_REGNUM ? builtin_type_np1_vector : builtin_type_int) */
 271 /* OBSOLETE extern struct type *builtin_type_np1_vector; */
 272 /* OBSOLETE  */
 273 /* OBSOLETE /* Store the address of the place in which to copy the structure the */
 274 /* OBSOLETE    subroutine will return.  This is called from call_function. */
 275 /* OBSOLETE  */
 276 /* OBSOLETE    On this machine this is a no-op, because gcc isn't used on it */
 277 /* OBSOLETE    yet.  So this calling convention is not used. *x/ */
 278 /* OBSOLETE  */
 279 /* OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) push_word(SP + 8, ADDR) */
 280 /* OBSOLETE  */
 281 /* OBSOLETE /* Extract from an arrary REGBUF containing the (raw) register state */
 282 /* OBSOLETE    a function return value of type TYPE, and copy that, in virtual format, */
 283 /* OBSOLETE    into VALBUF. *x/ */
 284 /* OBSOLETE  */
 285 /* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */
 286 /* OBSOLETE     memcpy (VALBUF, ((int *)(REGBUF)) + 2, TYPE_LENGTH (TYPE)) */
 287 /* OBSOLETE  */
 288 /* OBSOLETE /* Write into appropriate registers a function return value */
 289 /* OBSOLETE    of type TYPE, given in virtual format.  *x/ */
 290 /* OBSOLETE  */
 291 /* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */
 292 /* OBSOLETE     write_register_bytes (REGISTER_BYTE (R2_REGNUM), VALBUF,      \ */
 293 /* OBSOLETE                           TYPE_LENGTH (TYPE)) */
 294 /* OBSOLETE  */
 295 /* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */
 296 /* OBSOLETE    the address in which a function should return its structure value, */
 297 /* OBSOLETE    as a CORE_ADDR (or an expression that can be used as one).  *x/ */
 298 /* OBSOLETE  */
 299 /* OBSOLETE #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*((int *)(REGBUF) + 2)) */
 300 /* OBSOLETE  */
 301 /* OBSOLETE /* Both gcc and cc return small structs in registers (i.e. in GDB */
 302 /* OBSOLETE    terminology, small structs don't use the struct return convention).  *x/ */
 303 /* OBSOLETE extern use_struct_convention_fn gould_use_struct_convention; */
 304 /* OBSOLETE #define USE_STRUCT_CONVENTION(gcc_p, type) gould_use_struct_convention (gcc_p, type) */
 305 /* OBSOLETE \f */
 306 /* OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame */
 307 /* OBSOLETE    (its caller).  *x/ */
 308 /* OBSOLETE  */
 309 /* OBSOLETE /* FRAME_CHAIN takes a frame's nominal address */
 310 /* OBSOLETE    and produces the frame's chain-pointer. */
 311 /* OBSOLETE  */
 312 /* OBSOLETE    However, if FRAME_CHAIN_VALID returns zero, */
 313 /* OBSOLETE    it means the given frame is the outermost one and has no caller.  *x/ */
 314 /* OBSOLETE  */
 315 /* OBSOLETE /* In the case of the NPL, the frame's norminal address is Br2 and the  */
 316 /* OBSOLETE    previous routines frame is up the stack X bytes, where X is the */
 317 /* OBSOLETE    value stored in the code function header xA(Br1). *x/ */
 318 /* OBSOLETE #define FRAME_CHAIN(thisframe)              (findframe(thisframe)) */
 319 /* OBSOLETE  */
 320 /* OBSOLETE extern int gould_frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *)); */
 321 /* OBSOLETE #define FRAME_CHAIN_VALID(chain, thisframe) gould_frame_chain_valid (chain, thisframe) */
 322 /* OBSOLETE  */
 323 /* OBSOLETE /* Define other aspects of the stack frame on NPL.  *x/ */
 324 /* OBSOLETE #define FRAME_SAVED_PC(FRAME) \ */
 325 /* OBSOLETE     (read_memory_integer ((FRAME)->frame + 8, 4)) */
 326 /* OBSOLETE  */
 327 /* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) \ */
 328 /* OBSOLETE     ((fi)->next ? \ */
 329 /* OBSOLETE      read_memory_integer ((fi)->frame + 12, 4) : \ */
 330 /* OBSOLETE      read_register (AP_REGNUM)) */
 331 /* OBSOLETE  */
 332 /* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi)    ((fi)->frame) */
 333 /* OBSOLETE  */
 334 /* OBSOLETE /* Set VAL to the number of args passed to frame described by FI. */
 335 /* OBSOLETE    Can set VAL to -1, meaning no way to tell.  *x/ */
 336 /* OBSOLETE  */
 337 /* OBSOLETE /* We can check the stab info to see how */
 338 /* OBSOLETE    many arg we have.  No info in stack will tell us *x/ */
 339 /* OBSOLETE #define FRAME_NUM_ARGS(val,fi)              (val = findarg(fi)) */
 340 /* OBSOLETE  */
 341 /* OBSOLETE /* Return number of bytes at start of arglist that are not really args.  *x/ */
 342 /* OBSOLETE #define FRAME_ARGS_SKIP                     8 */
 343 /* OBSOLETE  */
 344 /* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */
 345 /* OBSOLETE    the addresses of the saved registers of frame described by FRAME_INFO. */
 346 /* OBSOLETE    This includes special registers such as pc and fp saved in special */
 347 /* OBSOLETE    ways in the stack frame.  sp is even more special: */
 348 /* OBSOLETE    the address we return for it IS the sp for the next frame.  *x/ */
 349 /* OBSOLETE  */
 350 /* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs)         \ */
 351 /* OBSOLETE {                                                                       \ */
 352 /* OBSOLETE   memset (&frame_saved_regs, '\0', sizeof frame_saved_regs);                        \ */
 353 /* OBSOLETE   (frame_saved_regs).regs[SP_REGNUM] = framechain (frame_info);         \ */
 354 /* OBSOLETE   (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 8;             \ */
 355 /* OBSOLETE   (frame_saved_regs).regs[R4_REGNUM] = (frame_info)->frame + 0x30;  \ */
 356 /* OBSOLETE   (frame_saved_regs).regs[R5_REGNUM] = (frame_info)->frame + 0x34;  \ */
 357 /* OBSOLETE   (frame_saved_regs).regs[R6_REGNUM] = (frame_info)->frame + 0x38;  \ */
 358 /* OBSOLETE   (frame_saved_regs).regs[R7_REGNUM] = (frame_info)->frame + 0x3C;  \ */
 359 /* OBSOLETE } */
 360 /* OBSOLETE \f */
 361 /* OBSOLETE /* Things needed for making the inferior call functions.  *x/ */
 362 /* OBSOLETE  */
 363 /* OBSOLETE #define CALL_DUMMY_LOCATION BEFORE_TEXT_END */
 364 /* OBSOLETE #define     NEED_TEXT_START_END 1 */
 365 /* OBSOLETE  */
 366 /* OBSOLETE /* Push an empty stack frame, to record the current PC, etc.  *x/ */
 367 /* OBSOLETE  */
 368 /* OBSOLETE #define PUSH_DUMMY_FRAME \ */
 369 /* OBSOLETE { register CORE_ADDR sp = read_register (SP_REGNUM); \ */
 370 /* OBSOLETE   register int regnum;                               \ */
 371 /* OBSOLETE   for (regnum = 0; regnum < FP_REGNUM; regnum++)     \ */
 372 /* OBSOLETE     sp = push_word (sp, read_register (regnum));     \ */
 373 /* OBSOLETE   sp = push_word (sp, read_register (PS_REGNUM));    \ */
 374 /* OBSOLETE   sp = push_word (sp, read_register (PC_REGNUM));    \ */
 375 /* OBSOLETE   write_register (SP_REGNUM, sp);} */
 376 /* OBSOLETE  */
 377 /* OBSOLETE /* Discard from the stack the innermost frame,  */
 378 /* OBSOLETE    restoring all saved registers.  *x/ */
 379 /* OBSOLETE /* FIXME: Should be using {store,extract}_unsigned_integer.  *x/ */
 380 /* OBSOLETE  */
 381 /* OBSOLETE #define POP_FRAME  \ */
 382 /* OBSOLETE { CORE_ADDR sp = read_register(SP_REGNUM);             \ */
 383 /* OBSOLETE   ULONGEST reg;                                   \ */
 384 /* OBSOLETE   int regnum;                                          \ */
 385 /* OBSOLETE   for(regnum = 0;regnum < FP_REGNUM;regnum++){         \ */
 386 /* OBSOLETE     sp-=REGISTER_SIZE;                         \ */
 387 /* OBSOLETE     read_memory(sp,&reg,REGISTER_SIZE);        \ */
 388 /* OBSOLETE     write_register(regnum,reg);}                       \ */
 389 /* OBSOLETE   sp-=REGISTER_SIZE;                           \ */
 390 /* OBSOLETE   read_memory(sp,&reg,REGISTER_SIZE);          \ */
 391 /* OBSOLETE   write_register(PS_REGNUM,reg);                       \ */
 392 /* OBSOLETE   sp-=REGISTER_SIZE;                           \ */
 393 /* OBSOLETE   read_memory(sp,&reg,REGISTER_SIZE);          \ */
 394 /* OBSOLETE   write_register(PC_REGNUM,reg);} */
 395 /* OBSOLETE  */
 396 /* OBSOLETE /* MJD - Size of dummy frame pushed onto stack by PUSH_DUMMY_FRAME *x/ */
 397 /* OBSOLETE  */
 398 /* OBSOLETE #define DUMMY_FRAME_SIZE (0x48) */
 399 /* OBSOLETE  */
 400 /* OBSOLETE /* MJD - The sequence of words in the instructions is */
 401 /* OBSOLETE    halt */
 402 /* OBSOLETE    halt */
 403 /* OBSOLETE    halt */
 404 /* OBSOLETE    halt */
 405 /* OBSOLETE    subr    b2,stack size,0             grab stack space for dummy call */
 406 /* OBSOLETE    labr    b3,x0(b2),0                 set AP_REGNUM to point at arguments */
 407 /* OBSOLETE    lw      r2,x8(b3),0                 load r2 with first argument     */
 408 /* OBSOLETE    lwbr    b1,arguments size(b2),0     load address of function to be called */
 409 /* OBSOLETE    brlnk   r1,x8(b1),0                 call function */
 410 /* OBSOLETE    halt */
 411 /* OBSOLETE    halt */
 412 /* OBSOLETE    labr    b2,stack size(b2),0         give back stack */
 413 /* OBSOLETE    break                               break */
 414 /* OBSOLETE    *x/ */
 415 /* OBSOLETE  */
 416 /* OBSOLETE #define CALL_DUMMY {0x00000000,  \ */
 417 /* OBSOLETE                 0x00000000,  \ */
 418 /* OBSOLETE                 0x59000000,  \ */
 419 /* OBSOLETE                 0x598a0000,  \ */
 420 /* OBSOLETE                 0xb5030008,  \ */
 421 /* OBSOLETE                 0x5c820000,  \ */
 422 /* OBSOLETE                 0x44810008,  \ */
 423 /* OBSOLETE                 0x00000000,  \ */
 424 /* OBSOLETE                 0x590a0000,  \ */
 425 /* OBSOLETE                 0x28090000 } */
 426 /* OBSOLETE  */
 427 /* OBSOLETE #define CALL_DUMMY_LENGTH 40 */
 428 /* OBSOLETE  */
 429 /* OBSOLETE #define CALL_DUMMY_START_OFFSET 8 */
 430 /* OBSOLETE  */
 431 /* OBSOLETE #define CALL_DUMMY_STACK_ADJUST 8 */
 432 /* OBSOLETE  */
 433 /* OBSOLETE /* MJD - Fixup CALL_DUMMY for the specific function call. */
 434 /* OBSOLETE    OK heres the problems */
 435 /* OBSOLETE    1) On a trap there are two copies of the stack pointer, one in SP_REGNUM */
 436 /* OBSOLETE       which is read/write and one in FP_REGNUM which is only read. It seems */
 437 /* OBSOLETE       that when restarting the GOULD NP1 uses FP_REGNUM's value. */
 438 /* OBSOLETE    2) Loading function address into b1 looks a bit difficult if bigger than */
 439 /* OBSOLETE       0x0000fffc, infact from what I can tell the compiler sets up table of */
 440 /* OBSOLETE       function address in base3 through which function calls are referenced. */
 441 /* OBSOLETE  */
 442 /* OBSOLETE    OK my solutions */
 443 /* OBSOLETE      Calculate the size of the dummy stack frame and do adjustments of */
 444 /* OBSOLETE      SP_REGNUM in the dummy call. */
 445 /* OBSOLETE      Push function address onto the stack and load it in the dummy call */
 446 /* OBSOLETE  *x/ */
 447 /* OBSOLETE  */
 448 /* OBSOLETE #define FIX_CALL_DUMMY(dummyname, sp, fun, nargs, args, type, gcc_p) \ */
 449 /* OBSOLETE   {   int i;\ */
 450 /* OBSOLETE       int arg_len = 0, total_len;\ */
 451 /* OBSOLETE       old_sp = push_word(old_sp,fun);\ */
 452 /* OBSOLETE       for(i = nargs - 1;i >= 0;i--)\ */
 453 /* OBSOLETE     arg_len += TYPE_LENGTH (VALUE_TYPE (value_arg_coerce (args[i])));\ */
 454 /* OBSOLETE       if(struct_return)\ */
 455 /* OBSOLETE     arg_len += TYPE_LENGTH(value_type);\ */
 456 /* OBSOLETE       total_len = DUMMY_FRAME_SIZE+CALL_DUMMY_STACK_ADJUST+4+arg_len;\ */
 457 /* OBSOLETE       dummyname[0] += total_len;\ */
 458 /* OBSOLETE       dummyname[2] += total_len;\ */
 459 /* OBSOLETE       dummyname[5] += arg_len+CALL_DUMMY_STACK_ADJUST;\ */
 460 /* OBSOLETE       dummyname[8] += total_len;} */
 461 /* OBSOLETE  */
 462 /* OBSOLETE /* MJD - So the stack should end up looking like this */
 463 /* OBSOLETE  */
 464 /* OBSOLETE                    | Normal stack frame  | */
 465 /* OBSOLETE                    | from normal program | */
 466 /* OBSOLETE                    | flow                | */
 467 /* OBSOLETE                    +---------------------+ <- Final sp - 0x08 - argument size */
 468 /* OBSOLETE                    |                     |    - 0x4 - dummy_frame_size */
 469 /* OBSOLETE                    | Pushed dummy frame  | */
 470 /* OBSOLETE                    |  b0-b7, r0-r7       | */
 471 /* OBSOLETE                    |  pc and ps          | */
 472 /* OBSOLETE                    |                     | */
 473 /* OBSOLETE                    +---------------------+ */
 474 /* OBSOLETE                    | Function address    | */
 475 /* OBSOLETE                    +---------------------+ <- Final sp - 0x8 - arguments size */
 476 /* OBSOLETE                    |                     | */
 477 /* OBSOLETE                    |                     | */
 478 /* OBSOLETE                    |                     | */
 479 /* OBSOLETE                    |  Arguments to       | */
 480 /* OBSOLETE                    |       Function      | */
 481 /* OBSOLETE                    |                     | */
 482 /* OBSOLETE                    |                     | */
 483 /* OBSOLETE                    |                     | */
 484 /* OBSOLETE                    +---------------------+ <- Final sp - 0x8 */
 485 /* OBSOLETE                    | Dummy_stack_adjust  | */
 486 /* OBSOLETE                    +---------------------+ <- Final sp */
 487 /* OBSOLETE                    |                     | */
 488 /* OBSOLETE                    | where call will     | */
 489 /* OBSOLETE                    |   build frame       | */
 490 /* OBSOLETE *x/ */