gdb/config/pa/tm-hppa64.h

   1 /* Parameters for execution on any Hewlett-Packard PA-RISC machine.
   2    Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1995, 1999, 2000
   3    Free Software Foundation, Inc.
   4
   5    Contributed by the Center for Software Science at the
   6    University of Utah (pa-gdb-bugs@cs.utah.edu).
   7
   8 This file is part of GDB.
   9
  10 This program is free software; you can redistribute it and/or modify
  11 it under the terms of the GNU General Public License as published by
  12 the Free Software Foundation; either version 2 of the License, or
  13 (at your option) any later version.
  14
  15 This program is distributed in the hope that it will be useful,
  16 but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 GNU General Public License for more details.
  19
  20 You should have received a copy of the GNU General Public License
  21 along with this program; if not, write to the Free Software
  22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  23
  24 struct type;
  25 struct frame_info;
  26
  27 /* PA 64-bit specific definitions.  Override those which are in
  28    tm-hppa.h */
  29
  30 /* jimb: this must go.  I'm just using it to disable code I haven't
  31    gotten working yet.  */
  32 #define GDB_TARGET_IS_HPPA_20W
  33
  34 /* FIXME: brobecker 2003-04-21: Although 32bit hppa is partially multiarched,
  35    the conversion for hppa64 hasn't been completed yet.  */
  36 #define GDB_MULTI_ARCH 0
  37
  38 /* FIXME: brobecker 2003-04-21: All the definition from this point until
  39    the include of pa/tm-hppah.h are extracted from tm-hppa.h.  They have
  40    been temporarily moved here, until hppa64 is multiarched too.  */
  41
  42 #if !GDB_MULTI_ARCH
  43 extern int hppa_reg_struct_has_addr (int gcc_p, struct type *type);
  44 #define REG_STRUCT_HAS_ADDR(gcc_p,type) hppa_reg_struct_has_addr (gcc_p,type)
  45 #endif
  46
  47 /* Offset from address of function to start of its code.
  48    Zero on most machines.  */
  49
  50 #if !GDB_MULTI_ARCH
  51 #define FUNCTION_START_OFFSET 0
  52 #endif
  53
  54 /* Advance PC across any function entry prologue instructions
  55    to reach some "real" code.  */
  56
  57 #if !GDB_MULTI_ARCH
  58 extern CORE_ADDR hppa_skip_prologue (CORE_ADDR);
  59 #define SKIP_PROLOGUE(pc) (hppa_skip_prologue (pc))
  60 #endif
  61
  62 /* If PC is in some function-call trampoline code, return the PC
  63    where the function itself actually starts.  If not, return NULL.  */
  64
  65 #if !GDB_MULTI_ARCH
  66 #define SKIP_TRAMPOLINE_CODE(pc) hppa_skip_trampoline_code (pc)
  67 extern CORE_ADDR hppa_skip_trampoline_code (CORE_ADDR);
  68 #endif
  69
  70 /* Return non-zero if we are in an appropriate trampoline. */
  71
  72 #if !GDB_MULTI_ARCH
  73 #define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \
  74    hppa_in_solib_call_trampoline (pc, name)
  75 extern int hppa_in_solib_call_trampoline (CORE_ADDR, char *);
  76 #endif
  77
  78 #if !GDB_MULTI_ARCH
  79 #define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \
  80   hppa_in_solib_return_trampoline (pc, name)
  81 extern int hppa_in_solib_return_trampoline (CORE_ADDR, char *);
  82 #endif
  83
  84 #if !GDB_MULTI_ARCH
  85 #undef  DEPRECATED_SAVED_PC_AFTER_CALL
  86 #define DEPRECATED_SAVED_PC_AFTER_CALL(frame) hppa_saved_pc_after_call (frame)
  87 extern CORE_ADDR hppa_saved_pc_after_call (struct frame_info *);
  88 #endif
  89
  90 #if !GDB_MULTI_ARCH
  91 extern int hppa_inner_than (CORE_ADDR lhs, CORE_ADDR rhs);
  92 #define INNER_THAN(lhs,rhs) hppa_inner_than(lhs,rhs)
  93 #endif
  94
  95 #if !GDB_MULTI_ARCH
  96 extern CORE_ADDR hppa_stack_align (CORE_ADDR sp);
  97 #define STACK_ALIGN(sp) hppa_stack_align (sp)
  98 #endif
  99
 100 /* Amount PC must be decremented by after a breakpoint.  This is often
 101    the number of bytes returned by BREAKPOINT_FROM_PC but not always.
 102
 103    Not on the PA-RISC */
 104
 105 #if !GDB_MULTI_ARCH
 106 #define DECR_PC_AFTER_BREAK 0
 107 #endif
 108
 109 /* Say how long (ordinary) registers are.  This is a piece of bogosity
 110    used in push_word and a few other places; REGISTER_RAW_SIZE is the
 111    real way to know how big a register is.  */
 112
 113 #if !GDB_MULTI_ARCH
 114 #define DEPRECATED_REGISTER_SIZE 4
 115 #endif
 116
 117 /* Number of machine registers */
 118
 119 #if !GDB_MULTI_ARCH
 120 #define NUM_REGS 128
 121 #endif
 122
 123 #if !GDB_MULTI_ARCH
 124 #define DEPRECATED_FP_REGNUM 3          /* Contains address of executing stack */
 125                                 /* frame */
 126 #endif
 127 #if !GDB_MULTI_ARCH
 128 #define SP_REGNUM 30            /* Contains address of top of stack */
 129 #endif
 130
 131 #if !GDB_MULTI_ARCH
 132 #define FP0_REGNUM 64           /* floating point reg. 0 (fspr) */
 133 #endif
 134
 135 /* compatibility with the rest of gdb. */
 136 #if !GDB_MULTI_ARCH
 137 #define PC_REGNUM PCOQ_HEAD_REGNUM
 138 #endif
 139 #if !GDB_MULTI_ARCH
 140 #define NPC_REGNUM PCOQ_TAIL_REGNUM
 141 #endif
 142
 143 /* Number of bytes of storage in the actual machine representation
 144    for register N.  On the PA-RISC, all regs are 4 bytes, including
 145    the FP registers (they're accessed as two 4 byte halves).  */
 146
 147 #if !GDB_MULTI_ARCH
 148 extern int hppa_register_raw_size (int reg_nr);
 149 #define REGISTER_RAW_SIZE(N) hppa_register_raw_size (N)
 150 #endif
 151
 152 /* Total amount of space needed to store our copies of the machine's
 153    register state, the array `registers'.  */
 154 #if !GDB_MULTI_ARCH
 155 #define DEPRECATED_REGISTER_BYTES (NUM_REGS * 4)
 156 #endif
 157
 158 #if !GDB_MULTI_ARCH
 159 extern int hppa_register_byte (int reg_nr);
 160 #define REGISTER_BYTE(N) hppa_register_byte (N)
 161 #endif
 162
 163 /* Number of bytes of storage in the program's representation
 164    for register N. */
 165
 166 #if !GDB_MULTI_ARCH
 167 #define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N)
 168 #endif
 169
 170 /* Largest value REGISTER_RAW_SIZE can have.  */
 171
 172 #if !GDB_MULTI_ARCH
 173 #define DEPRECATED_MAX_REGISTER_RAW_SIZE 4
 174 #endif
 175
 176 /* Largest value REGISTER_VIRTUAL_SIZE can have.  */
 177
 178 #if !GDB_MULTI_ARCH
 179 #define DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE 8
 180 #endif
 181
 182 #if !GDB_MULTI_ARCH
 183 extern struct type * hppa_register_virtual_type (int reg_nr);
 184 #define REGISTER_VIRTUAL_TYPE(N) hppa_register_virtual_type (N)
 185 #endif
 186
 187 #if !GDB_MULTI_ARCH
 188 extern void hppa_store_struct_return (CORE_ADDR addr, CORE_ADDR sp);
 189 #define STORE_STRUCT_RETURN(ADDR, SP) hppa_store_struct_return (ADDR, SP)
 190 #endif
 191
 192 /* Extract from an array REGBUF containing the (raw) register state
 193    a function return value of type TYPE, and copy that, in virtual format,
 194    into VALBUF.  */
 195
 196 #if !GDB_MULTI_ARCH
 197 void hppa_extract_return_value (struct type *type, char *regbuf, char *valbuf);
 198 #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
 199   hppa_extract_return_value (TYPE, REGBUF, VALBUF);
 200 #endif
 201
 202  /* elz: decide whether the function returning a value of type type
 203     will put it on the stack or in the registers.
 204     The pa calling convention says that:
 205     register 28 (called ret0 by gdb) contains any ASCII char,
 206     and any non_floating point value up to 32-bits.
 207     reg 28 and 29 contain non-floating point up tp 64 bits and larger
 208     than 32 bits. (higer order word in reg 28).
 209     fr4: floating point up to 64 bits
 210     sr1: space identifier (32-bit)
 211     stack: any lager than 64-bit, with the address in r28
 212   */
 213 #if !GDB_MULTI_ARCH
 214 extern use_struct_convention_fn hppa_use_struct_convention;
 215 #define USE_STRUCT_CONVENTION(gcc_p,type) hppa_use_struct_convention (gcc_p,type)
 216 #endif
 217
 218 /* Write into appropriate registers a function return value
 219    of type TYPE, given in virtual format.  */
 220
 221 #if !GDB_MULTI_ARCH
 222 extern void hppa_store_return_value (struct type *type, char *valbuf);
 223 #define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \
 224   hppa_store_return_value (TYPE, VALBUF);
 225 #endif
 226
 227 #if !GDB_MULTI_ARCH
 228 extern CORE_ADDR hppa_extract_struct_value_address (char *regbuf);
 229 #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
 230   hppa_extract_struct_value_address (REGBUF)
 231 #endif
 232
 233 #if !GDB_MULTI_ARCH
 234 extern int hppa_cannot_store_register (int regnum);
 235 #define CANNOT_STORE_REGISTER(regno) hppa_cannot_store_register (regno)
 236 #endif
 237
 238 #if !GDB_MULTI_ARCH
 239 #define DEPRECATED_INIT_EXTRA_FRAME_INFO(fromleaf, frame) hppa_init_extra_frame_info (fromleaf, frame)
 240 extern void hppa_init_extra_frame_info (int, struct frame_info *);
 241 #endif
 242
 243 /* Describe the pointer in each stack frame to the previous stack frame
 244    (its caller).  */
 245
 246 /* DEPRECATED_FRAME_CHAIN takes a frame's nominal address and produces
 247    the frame's chain-pointer.  */
 248
 249 /* In the case of the PA-RISC, the frame's nominal address
 250    is the address of a 4-byte word containing the calling frame's
 251    address (previous FP).  */
 252
 253 #if !GDB_MULTI_ARCH
 254 #define DEPRECATED_FRAME_CHAIN(thisframe) hppa_frame_chain (thisframe)
 255 extern CORE_ADDR hppa_frame_chain (struct frame_info *);
 256 #endif
 257
 258 #if !GDB_MULTI_ARCH
 259 extern int hppa_frame_chain_valid (CORE_ADDR, struct frame_info *);
 260 #define DEPRECATED_FRAME_CHAIN_VALID(chain, thisframe) hppa_frame_chain_valid (chain, thisframe)
 261 #endif
 262
 263 /* Define other aspects of the stack frame.  */
 264
 265 /* A macro that tells us whether the function invocation represented
 266    by FI does not have a frame on the stack associated with it.  If it
 267    does not, FRAMELESS is set to 1, else 0.  */
 268 #if !GDB_MULTI_ARCH
 269 #define FRAMELESS_FUNCTION_INVOCATION(FI) \
 270   (hppa_frameless_function_invocation (FI))
 271 extern int hppa_frameless_function_invocation (struct frame_info *);
 272 #endif
 273
 274 #if !GDB_MULTI_ARCH
 275 extern CORE_ADDR hppa_frame_saved_pc (struct frame_info *frame);
 276 #define DEPRECATED_FRAME_SAVED_PC(FRAME) hppa_frame_saved_pc (FRAME)
 277 #endif
 278
 279 #if !GDB_MULTI_ARCH
 280 extern CORE_ADDR hppa_frame_args_address (struct frame_info *fi);
 281 #define FRAME_ARGS_ADDRESS(fi) hppa_frame_args_address (fi)
 282 #endif
 283
 284 #if !GDB_MULTI_ARCH
 285 extern CORE_ADDR hppa_frame_locals_address (struct frame_info *fi);
 286 #define FRAME_LOCALS_ADDRESS(fi) hppa_frame_locals_address (fi)
 287 #endif
 288
 289 #if !GDB_MULTI_ARCH
 290 extern int hppa_frame_num_args (struct frame_info *frame);
 291 #define FRAME_NUM_ARGS(fi) hppa_frame_num_args (fi)
 292 #endif
 293
 294 #if !GDB_MULTI_ARCH
 295 #define FRAME_ARGS_SKIP 0
 296 #endif
 297
 298 /* Things needed for making the inferior call functions.  */
 299
 300 #if !GDB_MULTI_ARCH
 301 #define DEPRECATED_PUSH_DUMMY_FRAME hppa_push_dummy_frame ()
 302 extern void hppa_push_dummy_frame (void);
 303 #endif
 304
 305 /* Discard from the stack the innermost frame,
 306    restoring all saved registers.  */
 307 #if !GDB_MULTI_ARCH
 308 #define DEPRECATED_POP_FRAME  hppa_pop_frame ()
 309 extern void hppa_pop_frame (void);
 310 #endif
 311
 312 #if !GDB_MULTI_ARCH
 313 #define DEPRECATED_CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 28)
 314 #endif
 315
 316 #if !GDB_MULTI_ARCH
 317 #define DEPRECATED_CALL_DUMMY_START_OFFSET 0
 318 #endif
 319
 320 #if !GDB_MULTI_ARCH
 321 #define DEPRECATED_PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
 322   (hppa_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr)))
 323 extern CORE_ADDR hppa_push_arguments (int, struct value **, CORE_ADDR, int,
 324                                       CORE_ADDR);
 325 #endif
 326
 327 #if !GDB_MULTI_ARCH
 328 extern CORE_ADDR hppa_smash_text_address (CORE_ADDR addr);
 329 #define SMASH_TEXT_ADDRESS(addr) hppa_smash_text_address (addr)
 330 #endif
 331
 332 #if !GDB_MULTI_ARCH
 333 #define BELIEVE_PCC_PROMOTION 1
 334 #endif
 335
 336 #if !GDB_MULTI_ARCH
 337 #define TARGET_READ_PC(pid) hppa_target_read_pc (pid)
 338 extern CORE_ADDR hppa_target_read_pc (ptid_t);
 339 #endif
 340
 341 #if !GDB_MULTI_ARCH
 342 #define TARGET_WRITE_PC(v,pid) hppa_target_write_pc (v,pid)
 343 extern void hppa_target_write_pc (CORE_ADDR, ptid_t);
 344 #endif
 345
 346 #if !GDB_MULTI_ARCH
 347 #define DEPRECATED_TARGET_READ_FP() hppa_target_read_fp ()
 348 extern CORE_ADDR hppa_target_read_fp (void);
 349 #endif
 350
 351 #include "pa/tm-hppah.h"
 352
 353 #define HPUX_1100 1
 354
 355 /* The low two bits of the IA are the privilege level of the instruction.  */
 356 #define ADDR_BITS_REMOVE(addr) ((CORE_ADDR)addr & (CORE_ADDR)~3)
 357
 358 /* Say how long (ordinary) registers are.  This is used in
 359    push_word and a few other places, but REGISTER_RAW_SIZE is
 360    the real way to know how big a register is.  */
 361
 362 #undef DEPRECATED_REGISTER_SIZE
 363 #define DEPRECATED_REGISTER_SIZE 8
 364
 365 /* Number of bytes of storage in the actual machine representation
 366    for register N.  On the PA-RISC 2.0, all regs are 8 bytes, including
 367    the FP registers (they're accessed as two 4 byte halves).  */
 368
 369 #undef REGISTER_RAW_SIZE
 370 #define REGISTER_RAW_SIZE(N) 8
 371
 372 /* Largest value REGISTER_RAW_SIZE can have.  */
 373
 374 #undef DEPRECATED_MAX_REGISTER_RAW_SIZE
 375 #define DEPRECATED_MAX_REGISTER_RAW_SIZE 8
 376
 377 /* Total amount of space needed to store our copies of the machine's
 378    register state, the array `registers'.  */
 379
 380 #undef DEPRECATED_REGISTER_BYTES
 381 #define DEPRECATED_REGISTER_BYTES (NUM_REGS * 8)
 382
 383 /* Index within `registers' of the first byte of the space for
 384    register N.  */
 385
 386 #undef REGISTER_BYTE
 387 #define REGISTER_BYTE(N) ((N) * 8)
 388
 389 #undef REGISTER_VIRTUAL_TYPE
 390 #define REGISTER_VIRTUAL_TYPE(N) \
 391  ((N) < FP4_REGNUM ? builtin_type_unsigned_long_long : builtin_type_double)
 392
 393
 394 /* Number of machine registers */
 395 #undef NUM_REGS
 396 #define NUM_REGS 96
 397
 398 /* Initializer for an array of names of registers.
 399    There should be NUM_REGS strings in this initializer.
 400    They are in rows of eight entries  */
 401 #undef REGISTER_NAMES
 402 #define REGISTER_NAMES  \
 403  {"flags",  "r1",      "rp",      "r3",    "r4",     "r5",      "r6",     "r7",    \
 404   "r8",     "r9",      "r10",     "r11",   "r12",    "r13",     "r14",    "r15",   \
 405   "r16",    "r17",     "r18",     "r19",   "r20",    "r21",     "r22",    "r23",   \
 406   "r24",    "r25",     "r26",     "dp",    "ret0",   "ret1",    "sp",     "r31",   \
 407   "sar",    "pcoqh",   "pcsqh",   "pcoqt", "pcsqt",  "eiem",    "iir",    "isr",   \
 408   "ior",    "ipsw",    "goto",    "sr4",   "sr0",    "sr1",     "sr2",    "sr3",   \
 409   "sr5",    "sr6",     "sr7",     "cr0",   "cr8",    "cr9",     "ccr",    "cr12",  \
 410   "cr13",   "cr24",    "cr25",    "cr26",  "mpsfu_high","mpsfu_low","mpsfu_ovflo","pad",\
 411   "fpsr",    "fpe1",   "fpe2",    "fpe3",  "fr4",    "fr5",     "fr6",    "fr7", \
 412   "fr8",     "fr9",    "fr10",    "fr11",  "fr12",   "fr13",    "fr14",   "fr15", \
 413   "fr16",    "fr17",   "fr18",    "fr19",  "fr20",   "fr21",    "fr22",   "fr23", \
 414   "fr24",    "fr25",   "fr26",    "fr27",   "fr28",  "fr29",    "fr30",   "fr31"}
 415
 416 #undef FP0_REGNUM
 417 #undef FP4_REGNUM
 418 #define FP0_REGNUM 64           /* floating point reg. 0 (fspr)*/
 419 #define FP4_REGNUM 68
 420
 421 /* Redefine some target bit sizes from the default.  */
 422
 423 /* Number of bits in a long or unsigned long for the target machine. */
 424
 425 #define TARGET_LONG_BIT 64
 426
 427 /* Number of bits in a long long or unsigned long long for the
 428    target machine.  */
 429
 430 #define TARGET_LONG_LONG_BIT 64
 431
 432 /* Number of bits in a pointer for the target machine */
 433
 434 #define TARGET_PTR_BIT 64
 435
 436 /* Argument Pointer Register */
 437 #define AP_REGNUM 29
 438
 439 #define DP_REGNUM 27
 440
 441 #define FP5_REGNUM 70
 442
 443 #define SR5_REGNUM 48
 444
 445 /* We access locals from SP. This may not work for frames which call
 446    alloca; for those, we may need to consult unwind tables.
 447    jimb: FIXME.  */
 448 #undef FRAME_LOCALS_ADDRESS
 449 #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
 450
 451 /* For a number of horrible reasons we may have to adjust the location
 452    of variables on the stack.  Ugh.  jimb: why? */
 453 #define HPREAD_ADJUST_STACK_ADDRESS(ADDR) hpread_adjust_stack_address(ADDR)
 454
 455 extern int hpread_adjust_stack_address (CORE_ADDR);
 456
 457
 458 /* jimb: omitted dynamic linking stuff here */
 459
 460 /* This sequence of words is the instructions
 461
 462 ; Call stack frame has already been built by gdb. Since we could be calling
 463 ; a varargs function, and we do not have the benefit of a stub to put things in
 464 ; the right place, we load the first 8 word of arguments into both the general
 465 ; and fp registers.
 466 call_dummy
 467         nop
 468         copy %r4,%r29
 469         copy %r5,%r22
 470         copy %r6,%r27
 471         fldd -64(0,%r29),%fr4
 472         fldd -56(0,%r29),%fr5
 473         fldd -48(0,%r29),%fr6
 474         fldd -40(0,%r29),%fr7
 475         fldd -32(0,%r29),%fr8
 476         fldd -24(0,%r29),%fr9
 477         fldd -16(0,%r29),%fr10
 478         fldd -8(0,%r29),%fr11
 479         copy %r22,%r1
 480         ldd -64(%r29), %r26
 481         ldd -56(%r29), %r25
 482         ldd -48(%r29), %r24
 483         ldd -40(%r29), %r23
 484         ldd -32(%r29), %r22
 485         ldd -24(%r29), %r21
 486         ldd -16(%r29), %r20
 487         bve,l (%r1),%r2
 488         ldd -8(%r29), %r19
 489         break 4, 8
 490         mtsp %r21, %sr0
 491         ble 0(%sr0, %r22)
 492         nop
 493 */
 494
 495 /* Call dummys are sized and written out in word sized hunks.  So we have
 496    to pack the instructions into words.  Ugh.  */
 497 #undef CALL_DUMMY
 498 #define CALL_DUMMY {0x08000240349d0000LL, 0x34b6000034db0000LL, \
 499                     0x53a43f8353a53f93LL, 0x53a63fa353a73fb3LL,\
 500                     0x53a83fc353a93fd3LL, 0x2fa1100a2fb1100bLL,\
 501                     0x36c1000053ba3f81LL, 0x53b93f9153b83fa1LL,\
 502                     0x53b73fb153b63fc1LL, 0x53b53fd10fa110d4LL,\
 503                     0xe820f0000fb110d3LL, 0x0001000400151820LL,\
 504                     0xe6c0000008000240LL}
 505
 506 #define DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET 22 * 4
 507
 508 /* DEPRECATED_CALL_DUMMY_LENGTH is computed based on the size of a
 509    word on the target machine, not the size of an instruction.  Since
 510    a word on this target holds two instructions we have to divide the
 511    instruction size by two to get the word size of the dummy.  */
 512 #undef DEPRECATED_CALL_DUMMY_LENGTH
 513 #define DEPRECATED_CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 26 / 2)
 514
 515 /* The PA64 ABI mandates a 16 byte stack alignment.  */
 516 #undef STACK_ALIGN
 517 #define STACK_ALIGN(arg) ( ((arg)%16) ? (((arg)+15)&-16) : (arg))
 518
 519 /* The PA64 ABI reserves 64 bytes of stack space for outgoing register
 520    parameters.  */
 521 #undef REG_PARM_STACK_SPACE
 522 #define REG_PARM_STACK_SPACE 64
 523
 524 /* Use the 64-bit calling conventions designed for the PA2.0 in wide mode.  */
 525 #define PA20W_CALLING_CONVENTIONS
 526
 527 #undef FUNC_LDIL_OFFSET
 528 #undef FUNC_LDO_OFFSET
 529 #undef SR4EXPORT_LDIL_OFFSET
 530 #undef SR4EXPORT_LDO_OFFSET
 531
 532 #undef REG_STRUCT_HAS_ADDR
 533
 534 #undef DEPRECATED_EXTRACT_RETURN_VALUE
 535 /* RM: floats are returned in FR4R, doubles in FR4
 536  *     integral values are in r28, padded on the left
 537  *     aggregates less that 65 bits are in r28, right padded
 538  *     aggregates upto 128 bits are in r28 and r29, right padded
 539  */
 540 #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
 541   { \
 542     if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
 543       memcpy ((VALBUF), \
 544               ((char *)(REGBUF)) + REGISTER_BYTE (FP4_REGNUM) + \
 545               (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \
 546               TYPE_LENGTH (TYPE)); \
 547     else if  (is_integral_type(TYPE))   \
 548        memcpy ((VALBUF), \
 549                (char *)(REGBUF) + REGISTER_BYTE (28) + \
 550                (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \
 551                TYPE_LENGTH (TYPE)); \
 552     else if (TYPE_LENGTH (TYPE) <= 8)   \
 553        memcpy ((VALBUF), \
 554                (char *)(REGBUF) + REGISTER_BYTE (28), \
 555                TYPE_LENGTH (TYPE)); \
 556     else if (TYPE_LENGTH (TYPE) <= 16)   \
 557       { \
 558         memcpy ((VALBUF), \
 559                 (char *)(REGBUF) + REGISTER_BYTE (28), \
 560                 8); \
 561         memcpy (((char *) VALBUF + 8), \
 562                 (char *)(REGBUF) + REGISTER_BYTE (29), \
 563                 TYPE_LENGTH (TYPE) - 8); \
 564        } \
 565   }
 566
 567 /* RM: struct upto 128 bits are returned in registers */
 568 #undef USE_STRUCT_CONVENTION
 569 #define USE_STRUCT_CONVENTION(gcc_p, value_type)\
 570   (TYPE_LENGTH (value_type) > 16)
 571
 572 /* RM: for return command */
 573 #undef DEPRECATED_STORE_RETURN_VALUE
 574 #define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \
 575   { \
 576     if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \
 577       deprecated_write_register_bytes \
 578               (REGISTER_BYTE (FP4_REGNUM) + \
 579               (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \
 580               (VALBUF), \
 581               TYPE_LENGTH (TYPE)); \
 582     else if (is_integral_type(TYPE))   \
 583        deprecated_write_register_bytes \
 584               (REGISTER_BYTE (28) + \
 585                  (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \
 586                (VALBUF), \
 587                TYPE_LENGTH (TYPE)); \
 588     else if (TYPE_LENGTH (TYPE) <= 8)   \
 589        deprecated_write_register_bytes \
 590              ( REGISTER_BYTE (28), \
 591                (VALBUF), \
 592                TYPE_LENGTH (TYPE)); \
 593     else if (TYPE_LENGTH (TYPE) <= 16)   \
 594       { \
 595         deprecated_write_register_bytes \
 596                (REGISTER_BYTE (28), \
 597                 (VALBUF), \
 598                 8); \
 599         deprecated_write_register_bytes \
 600                (REGISTER_BYTE (29), \
 601                 ((char *) VALBUF + 8), \
 602                 TYPE_LENGTH (TYPE) - 8); \
 603        } \
 604   }
 605
 606 /* RM: these are the PA64 equivalents of the macros in tm-hppah.h --
 607  * see comments there.  For PA64, the save_state structure is at an
 608  * offset of 24 32-bit words from the sigcontext structure. The 64 bit
 609  * general registers are at an offset of 640 bytes from the beginning of the
 610  * save_state structure, and the floating pointer register are at an offset
 611  * of 256 bytes from the beginning of the save_state structure.
 612  */
 613 #undef FRAME_SAVED_PC_IN_SIGTRAMP
 614 #define FRAME_SAVED_PC_IN_SIGTRAMP(FRAME, TMP) \
 615 { \
 616   *(TMP) = read_memory_integer ((FRAME)->frame + (24 * 4) + 640 + (33 * 8), 8); \
 617 }
 618
 619 #undef FRAME_BASE_BEFORE_SIGTRAMP
 620 #define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \
 621 { \
 622   *(TMP) = read_memory_integer ((FRAME)->frame + (24 * 4) + 640 + (30 * 8), 8); \
 623 }
 624
 625 #undef FRAME_FIND_SAVED_REGS_IN_SIGTRAMP
 626 #define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \
 627 { \
 628   int i; \
 629   CORE_ADDR TMP1, TMP2; \
 630   TMP1 = (FRAME)->frame + (24 * 4) + 640; \
 631   TMP2 = (FRAME)->frame + (24 * 4) + 256; \
 632   for (i = 0; i < NUM_REGS; i++) \
 633     { \
 634       if (i == SP_REGNUM) \
 635         (FSR)[SP_REGNUM] = read_memory_integer (TMP1 + SP_REGNUM * 8, 8); \
 636       else if (i >= FP0_REGNUM) \
 637         (FSR)[i] = TMP2 + (i - FP0_REGNUM) * 8; \
 638       else \
 639         (FSR)[i] = TMP1 + i * 8; \
 640     } \
 641 }
 642
 643 /* jimb: omitted purify call support */