| 1 | /* BFD backend for sunos binaries */ |
| 2 | |
| 3 | /* Copyright (C) 1990, 1991 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of BFD, the Binary File Diddler. |
| 6 | |
| 7 | BFD is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 1, or (at your option) |
| 10 | any later version. |
| 11 | |
| 12 | BFD is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with BFD; see the file COPYING. If not, write to |
| 19 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 20 | |
| 21 | /* $Id$ */ |
| 22 | |
| 23 | #include <ansidecl.h> |
| 24 | #include "sysdep.h" |
| 25 | #include "bfd.h" |
| 26 | #include "libbfd.h" |
| 27 | |
| 28 | #include "a.out.sun4.h" |
| 29 | #include "a.out.gnu.h" |
| 30 | #include "stab.gnu.h" |
| 31 | #include "ar.h" |
| 32 | #include "liba.out.h" /* BFD a.out internal data structures */ |
| 33 | |
| 34 | void (*bfd_error_trap)(); |
| 35 | |
| 36 | static bfd_target *sunos4_callback (); |
| 37 | |
| 38 | /*SUPPRESS558*/ |
| 39 | /*SUPPRESS529*/ |
| 40 | |
| 41 | bfd_target * |
| 42 | sunos4_object_p (abfd) |
| 43 | bfd *abfd; |
| 44 | { |
| 45 | unsigned char magicbuf[4]; /* Raw bytes of magic number from file */ |
| 46 | unsigned long magic; /* Swapped magic number */ |
| 47 | |
| 48 | bfd_error = system_call_error; |
| 49 | |
| 50 | if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) != |
| 51 | sizeof (magicbuf)) |
| 52 | return 0; |
| 53 | magic = bfd_h_getlong (abfd, magicbuf); |
| 54 | |
| 55 | if (N_BADMAG (*((struct exec *) &magic))) return 0; |
| 56 | |
| 57 | return some_aout_object_p (abfd, sunos4_callback); |
| 58 | } |
| 59 | |
| 60 | /* Determine the size of a relocation entry, based on the architecture */ |
| 61 | static void |
| 62 | DEFUN(choose_reloc_size,(abfd), |
| 63 | bfd *abfd) |
| 64 | { |
| 65 | switch (abfd->obj_arch) { |
| 66 | case bfd_arch_sparc: |
| 67 | case bfd_arch_a29k: |
| 68 | obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE; |
| 69 | break; |
| 70 | default: |
| 71 | obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; |
| 72 | break; |
| 73 | } |
| 74 | } |
| 75 | |
| 76 | /* Set parameters about this a.out file that are machine-dependent. |
| 77 | This routine is called from some_aout_object_p just before it returns. */ |
| 78 | |
| 79 | static bfd_target * |
| 80 | sunos4_callback (abfd) |
| 81 | bfd *abfd; |
| 82 | { |
| 83 | struct exec *execp = exec_hdr (abfd); |
| 84 | |
| 85 | /* The virtual memory addresses of the sections */ |
| 86 | obj_datasec (abfd)->vma = N_DATADDR(*execp); |
| 87 | obj_bsssec (abfd)->vma = N_BSSADDR(*execp); |
| 88 | obj_textsec (abfd)->vma = N_TXTADDR(*execp); |
| 89 | |
| 90 | /* The file offsets of the sections */ |
| 91 | obj_textsec (abfd)->filepos = EXEC_BYTES_SIZE; /*N_TXTOFF(*execp);*/ |
| 92 | obj_datasec (abfd)->filepos = N_DATOFF(*execp); |
| 93 | |
| 94 | /* The file offsets of the relocation info */ |
| 95 | obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp); |
| 96 | obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp); |
| 97 | |
| 98 | /* The file offsets of the string table and symbol table. */ |
| 99 | obj_str_filepos (abfd) = N_STROFF (*execp); |
| 100 | obj_sym_filepos (abfd) = N_SYMOFF (*execp); |
| 101 | |
| 102 | |
| 103 | |
| 104 | /* Determine the architecture and machine type of the object file. */ |
| 105 | switch (N_MACHTYPE (*exec_hdr (abfd))) { |
| 106 | |
| 107 | case M_UNKNOWN: |
| 108 | abfd->obj_arch = bfd_arch_unknown; |
| 109 | abfd->obj_machine = 0; |
| 110 | break; |
| 111 | |
| 112 | case M_68010: |
| 113 | abfd->obj_arch = bfd_arch_m68k; |
| 114 | abfd->obj_machine = 68010; |
| 115 | break; |
| 116 | |
| 117 | case M_68020: |
| 118 | abfd->obj_arch = bfd_arch_m68k; |
| 119 | abfd->obj_machine = 68020; |
| 120 | break; |
| 121 | |
| 122 | case M_SPARC: |
| 123 | abfd->obj_arch = bfd_arch_sparc; |
| 124 | abfd->obj_machine = 0; |
| 125 | break; |
| 126 | |
| 127 | case M_386: |
| 128 | abfd->obj_arch = bfd_arch_i386; |
| 129 | abfd->obj_machine = 0; |
| 130 | break; |
| 131 | |
| 132 | case M_29K: |
| 133 | abfd->obj_arch = bfd_arch_a29k; |
| 134 | abfd->obj_machine = 0; |
| 135 | break; |
| 136 | |
| 137 | default: |
| 138 | abfd->obj_arch = bfd_arch_obscure; |
| 139 | abfd->obj_machine = 0; |
| 140 | break; |
| 141 | } |
| 142 | |
| 143 | choose_reloc_size(abfd); |
| 144 | return abfd->xvec; |
| 145 | } |
| 146 | |
| 147 | |
| 148 | boolean |
| 149 | sunos4_mkobject (abfd) |
| 150 | bfd *abfd; |
| 151 | { |
| 152 | char *rawptr; |
| 153 | |
| 154 | bfd_error = system_call_error; |
| 155 | |
| 156 | /* Use an intermediate variable for clarity */ |
| 157 | rawptr = bfd_zalloc (abfd, sizeof (struct aoutdata) + sizeof (struct exec)); |
| 158 | |
| 159 | if (rawptr == NULL) { |
| 160 | bfd_error = no_memory; |
| 161 | return false; |
| 162 | } |
| 163 | |
| 164 | set_tdata (abfd, (struct aoutdata *) rawptr); |
| 165 | exec_hdr (abfd) = (struct exec *) (rawptr + sizeof (struct aoutdata)); |
| 166 | |
| 167 | /* For simplicity's sake we just make all the sections right here. */ |
| 168 | |
| 169 | obj_textsec (abfd) = (asection *)NULL; |
| 170 | obj_datasec (abfd) = (asection *)NULL; |
| 171 | obj_bsssec (abfd) = (asection *)NULL; |
| 172 | bfd_make_section (abfd, ".text"); |
| 173 | bfd_make_section (abfd, ".data"); |
| 174 | bfd_make_section (abfd, ".bss"); |
| 175 | |
| 176 | return true; |
| 177 | } |
| 178 | |
| 179 | /* Keep track of machine architecture and machine type for a.out's. |
| 180 | Return the machine_type for a particular arch&machine, or M_UNKNOWN |
| 181 | if that exact arch&machine can't be represented in a.out format. |
| 182 | |
| 183 | If the architecture is understood, machine type 0 (default) should |
| 184 | always be understood. */ |
| 185 | |
| 186 | static enum machine_type |
| 187 | aout_machine_type (arch, machine) |
| 188 | enum bfd_architecture arch; |
| 189 | unsigned long machine; |
| 190 | { |
| 191 | enum machine_type arch_flags; |
| 192 | |
| 193 | arch_flags = M_UNKNOWN; |
| 194 | |
| 195 | switch (arch) { |
| 196 | case bfd_arch_sparc: |
| 197 | if (machine == 0) arch_flags = M_SPARC; |
| 198 | break; |
| 199 | |
| 200 | case bfd_arch_m68k: |
| 201 | switch (machine) { |
| 202 | case 0: arch_flags = M_68010; break; |
| 203 | case 68000: arch_flags = M_UNKNOWN; break; |
| 204 | case 68010: arch_flags = M_68010; break; |
| 205 | case 68020: arch_flags = M_68020; break; |
| 206 | default: arch_flags = M_UNKNOWN; break; |
| 207 | } |
| 208 | break; |
| 209 | |
| 210 | case bfd_arch_i386: |
| 211 | if (machine == 0) arch_flags = M_386; |
| 212 | break; |
| 213 | |
| 214 | case bfd_arch_a29k: |
| 215 | if (machine == 0) arch_flags = M_29K; |
| 216 | break; |
| 217 | |
| 218 | default: |
| 219 | arch_flags = M_UNKNOWN; |
| 220 | break; |
| 221 | } |
| 222 | return arch_flags; |
| 223 | } |
| 224 | |
| 225 | /* Write an object file in SunOS format. |
| 226 | Section contents have already been written. We write the |
| 227 | file header, symbols, and relocation. */ |
| 228 | |
| 229 | boolean |
| 230 | sunos4_write_object_contents (abfd) |
| 231 | bfd *abfd; |
| 232 | { |
| 233 | size_t data_pad = 0; |
| 234 | unsigned char exec_bytes[EXEC_BYTES_SIZE]; |
| 235 | struct exec *execp = exec_hdr (abfd); |
| 236 | |
| 237 | |
| 238 | |
| 239 | execp->a_text = obj_textsec (abfd)->size; |
| 240 | |
| 241 | /* Magic number, maestro, please! */ |
| 242 | switch (bfd_get_architecture(abfd)) { |
| 243 | case bfd_arch_m68k: |
| 244 | switch (bfd_get_machine(abfd)) { |
| 245 | case 68010: |
| 246 | N_SET_MACHTYPE(*execp, M_68010); |
| 247 | break; |
| 248 | default: |
| 249 | case 68020: |
| 250 | N_SET_MACHTYPE(*execp, M_68020); |
| 251 | break; |
| 252 | } |
| 253 | break; |
| 254 | case bfd_arch_sparc: |
| 255 | N_SET_MACHTYPE(*execp, M_SPARC); |
| 256 | break; |
| 257 | case bfd_arch_i386: |
| 258 | N_SET_MACHTYPE(*execp, M_386); |
| 259 | break; |
| 260 | case bfd_arch_a29k: |
| 261 | N_SET_MACHTYPE(*execp, M_29K); |
| 262 | break; |
| 263 | default: |
| 264 | N_SET_MACHTYPE(*execp, M_UNKNOWN); |
| 265 | } |
| 266 | |
| 267 | choose_reloc_size(abfd); |
| 268 | |
| 269 | N_SET_MAGIC (*execp, OMAGIC); |
| 270 | if (abfd->flags & D_PAGED) { |
| 271 | /* This is not strictly true, but will probably do for the default |
| 272 | case. FIXME. |
| 273 | */ |
| 274 | |
| 275 | execp->a_text = obj_textsec (abfd)->size + EXEC_BYTES_SIZE; |
| 276 | N_SET_MAGIC (*execp, ZMAGIC); |
| 277 | } else if (abfd->flags & WP_TEXT) { |
| 278 | N_SET_MAGIC (*execp, NMAGIC); |
| 279 | } |
| 280 | N_SET_FLAGS (*execp, 0x1); /* copied from ld.c; who the hell knows? */ |
| 281 | |
| 282 | if (abfd->flags & D_PAGED) |
| 283 | { |
| 284 | data_pad = ((obj_datasec(abfd)->size + PAGE_SIZE -1) |
| 285 | & (- PAGE_SIZE)) - obj_datasec(abfd)->size; |
| 286 | |
| 287 | if (data_pad > obj_bsssec(abfd)->size) |
| 288 | execp->a_bss = 0; |
| 289 | else |
| 290 | execp->a_bss = obj_bsssec(abfd)->size - data_pad; |
| 291 | execp->a_data = obj_datasec(abfd)->size + data_pad; |
| 292 | |
| 293 | } |
| 294 | else { |
| 295 | execp->a_data = obj_datasec (abfd)->size; |
| 296 | execp->a_bss = obj_bsssec (abfd)->size; |
| 297 | } |
| 298 | |
| 299 | execp->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist); |
| 300 | execp->a_entry = bfd_get_start_address (abfd); |
| 301 | |
| 302 | |
| 303 | |
| 304 | |
| 305 | execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * |
| 306 | obj_reloc_entry_size (abfd)); |
| 307 | |
| 308 | execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * |
| 309 | obj_reloc_entry_size (abfd)); |
| 310 | |
| 311 | bfd_aout_swap_exec_header_out (abfd, execp, exec_bytes); |
| 312 | |
| 313 | bfd_seek (abfd, 0L, false); |
| 314 | bfd_write ((PTR) exec_bytes, 1, EXEC_BYTES_SIZE, abfd); |
| 315 | |
| 316 | /* Now write out reloc info, followed by syms and strings */ |
| 317 | |
| 318 | if (bfd_get_symcount (abfd) != 0) |
| 319 | { |
| 320 | bfd_seek (abfd, |
| 321 | (long)(N_SYMOFF(*execp)), false); |
| 322 | |
| 323 | aout_write_syms (abfd); |
| 324 | |
| 325 | bfd_seek (abfd, (long)(N_TRELOFF(*execp)), false); |
| 326 | |
| 327 | if (!aout_squirt_out_relocs (abfd, obj_textsec (abfd))) return false; |
| 328 | bfd_seek (abfd, (long)(N_DRELOFF(*execp)), false); |
| 329 | |
| 330 | if (!aout_squirt_out_relocs (abfd, obj_datasec (abfd))) return false; |
| 331 | } |
| 332 | return true; |
| 333 | } |
| 334 | \f |
| 335 | /* core files */ |
| 336 | |
| 337 | #define CORE_MAGIC 0x080456 |
| 338 | #define CORE_NAMELEN 16 |
| 339 | |
| 340 | /* The core structure is taken from the Sun documentation. |
| 341 | Unfortunately, they don't document the FPA structure, or at least I |
| 342 | can't find it easily. Fortunately the core header contains its own |
| 343 | length. So this shouldn't cause problems, except for c_ucode, which |
| 344 | so far we don't use but is easy to find with a little arithmetic. */ |
| 345 | |
| 346 | /* But the reg structure can be gotten from the SPARC processor handbook. |
| 347 | This really should be in a GNU include file though so that gdb can use |
| 348 | the same info. */ |
| 349 | struct regs { |
| 350 | int r_psr; |
| 351 | int r_pc; |
| 352 | int r_npc; |
| 353 | int r_y; |
| 354 | int r_g1; |
| 355 | int r_g2; |
| 356 | int r_g3; |
| 357 | int r_g4; |
| 358 | int r_g5; |
| 359 | int r_g6; |
| 360 | int r_g7; |
| 361 | int r_o0; |
| 362 | int r_o1; |
| 363 | int r_o2; |
| 364 | int r_o3; |
| 365 | int r_o4; |
| 366 | int r_o5; |
| 367 | int r_o6; |
| 368 | int r_o7; |
| 369 | }; |
| 370 | |
| 371 | /* Taken from Sun documentation: */ |
| 372 | |
| 373 | /* FIXME: It's worse than we expect. This struct contains TWO substructs |
| 374 | neither of whose size we know, WITH STUFF IN BETWEEN THEM! We can't |
| 375 | even portably access the stuff in between! */ |
| 376 | |
| 377 | struct core { |
| 378 | int c_magic; /* Corefile magic number */ |
| 379 | int c_len; /* Sizeof (struct core) */ |
| 380 | struct regs c_regs; /* General purpose registers -- MACHDEP SIZE */ |
| 381 | struct exec c_aouthdr; /* A.out header */ |
| 382 | int c_signo; /* Killing signal, if any */ |
| 383 | int c_tsize; /* Text size (bytes) */ |
| 384 | int c_dsize; /* Data size (bytes) */ |
| 385 | int c_ssize; /* Stack size (bytes) */ |
| 386 | char c_cmdname[CORE_NAMELEN + 1]; /* Command name */ |
| 387 | double fp_stuff[1]; /* external FPU state (size unknown by us) */ |
| 388 | /* The type "double" is critical here, for alignment. |
| 389 | SunOS declares a struct here, but the struct's alignment |
| 390 | is double since it contains doubles. */ |
| 391 | int c_ucode; /* Exception no. from u_code */ |
| 392 | /* (this member is not accessible by name since we don't |
| 393 | portably know the size of fp_stuff.) */ |
| 394 | }; |
| 395 | |
| 396 | /* Supposedly the user stack grows downward from the bottom of kernel memory. |
| 397 | Presuming that this remains true, this definition will work. */ |
| 398 | #define USRSTACK (-(128*1024*1024)) |
| 399 | |
| 400 | PROTO (static void, swapcore, (bfd *abfd, struct core *core)); |
| 401 | |
| 402 | /* need this cast b/c ptr is really void * */ |
| 403 | #define core_hdr(bfd) (((struct suncordata *) (bfd->tdata))->hdr) |
| 404 | #define core_datasec(bfd) (((struct suncordata *) ((bfd)->tdata))->data_section) |
| 405 | #define core_stacksec(bfd) (((struct suncordata*)((bfd)->tdata))->stack_section) |
| 406 | #define core_regsec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg_section) |
| 407 | #define core_reg2sec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg2_section) |
| 408 | |
| 409 | /* These are stored in the bfd's tdata */ |
| 410 | struct suncordata { |
| 411 | struct core *hdr; /* core file header */ |
| 412 | asection *data_section; |
| 413 | asection *stack_section; |
| 414 | asection *reg_section; |
| 415 | asection *reg2_section; |
| 416 | }; |
| 417 | |
| 418 | bfd_target * |
| 419 | sunos4_core_file_p (abfd) |
| 420 | bfd *abfd; |
| 421 | { |
| 422 | unsigned char longbuf[4]; /* Raw bytes of various header fields */ |
| 423 | int core_size; |
| 424 | int core_mag; |
| 425 | struct core *core; |
| 426 | char *rawptr; |
| 427 | |
| 428 | bfd_error = system_call_error; |
| 429 | |
| 430 | if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) != |
| 431 | sizeof (longbuf)) |
| 432 | return 0; |
| 433 | core_mag = bfd_h_getlong (abfd, longbuf); |
| 434 | |
| 435 | if (core_mag != CORE_MAGIC) return 0; |
| 436 | |
| 437 | /* SunOS core headers can vary in length; second word is size; */ |
| 438 | if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) != |
| 439 | sizeof (longbuf)) |
| 440 | return 0; |
| 441 | core_size = bfd_h_getlong (abfd, longbuf); |
| 442 | /* Sanity check */ |
| 443 | if (core_size > 20000) |
| 444 | return 0; |
| 445 | |
| 446 | if (bfd_seek (abfd, 0L, false) < 0) return 0; |
| 447 | |
| 448 | rawptr = bfd_zalloc (abfd, core_size + sizeof (struct suncordata)); |
| 449 | if (rawptr == NULL) { |
| 450 | bfd_error = no_memory; |
| 451 | return 0; |
| 452 | } |
| 453 | |
| 454 | core = (struct core *) (rawptr + sizeof (struct suncordata)); |
| 455 | |
| 456 | if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size) { |
| 457 | bfd_error = system_call_error; |
| 458 | bfd_release (abfd, rawptr); |
| 459 | return 0; |
| 460 | } |
| 461 | |
| 462 | swapcore (abfd, core); |
| 463 | set_tdata (abfd, ((struct suncordata *) rawptr)); |
| 464 | core_hdr (abfd) = core; |
| 465 | |
| 466 | /* create the sections. This is raunchy, but bfd_close wants to reclaim |
| 467 | them */ |
| 468 | core_stacksec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); |
| 469 | if (core_stacksec (abfd) == NULL) { |
| 470 | loser: |
| 471 | bfd_error = no_memory; |
| 472 | bfd_release (abfd, rawptr); |
| 473 | return 0; |
| 474 | } |
| 475 | core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); |
| 476 | if (core_datasec (abfd) == NULL) { |
| 477 | loser1: |
| 478 | bfd_release (abfd, core_stacksec (abfd)); |
| 479 | goto loser; |
| 480 | } |
| 481 | core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); |
| 482 | if (core_regsec (abfd) == NULL) { |
| 483 | loser2: |
| 484 | bfd_release (abfd, core_datasec (abfd)); |
| 485 | goto loser1; |
| 486 | } |
| 487 | core_reg2sec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); |
| 488 | if (core_reg2sec (abfd) == NULL) { |
| 489 | bfd_release (abfd, core_regsec (abfd)); |
| 490 | goto loser2; |
| 491 | } |
| 492 | |
| 493 | core_stacksec (abfd)->name = ".stack"; |
| 494 | core_datasec (abfd)->name = ".data"; |
| 495 | core_regsec (abfd)->name = ".reg"; |
| 496 | core_reg2sec (abfd)->name = ".reg2"; |
| 497 | |
| 498 | core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD; |
| 499 | core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD; |
| 500 | core_regsec (abfd)->flags = SEC_ALLOC; |
| 501 | core_reg2sec (abfd)->flags = SEC_ALLOC; |
| 502 | |
| 503 | core_stacksec (abfd)->size = core->c_ssize; |
| 504 | core_datasec (abfd)->size = core->c_dsize; |
| 505 | core_regsec (abfd)->size = (sizeof core->c_regs); |
| 506 | /* Float regs take up end of struct, except c_ucode. */ |
| 507 | core_reg2sec (abfd)->size = core_size - (sizeof core->c_ucode) - |
| 508 | (file_ptr)(((struct core *)0)->fp_stuff); |
| 509 | |
| 510 | core_stacksec (abfd)->vma = (USRSTACK - core->c_ssize); |
| 511 | core_datasec (abfd)->vma = N_DATADDR(core->c_aouthdr); |
| 512 | core_regsec (abfd)->vma = -1; |
| 513 | core_reg2sec (abfd)->vma = -1; |
| 514 | |
| 515 | core_stacksec (abfd)->filepos = core->c_len + core->c_dsize; |
| 516 | core_datasec (abfd)->filepos = core->c_len; |
| 517 | /* In file header: */ |
| 518 | core_regsec (abfd)->filepos = (file_ptr)(&((struct core *)0)->c_regs); |
| 519 | core_reg2sec (abfd)->filepos = (file_ptr)(((struct core *)0)->fp_stuff); |
| 520 | |
| 521 | /* Align to word at least */ |
| 522 | core_stacksec (abfd)->alignment_power = 2; |
| 523 | core_datasec (abfd)->alignment_power = 2; |
| 524 | core_regsec (abfd)->alignment_power = 2; |
| 525 | core_reg2sec (abfd)->alignment_power = 2; |
| 526 | |
| 527 | abfd->sections = core_stacksec (abfd); |
| 528 | core_stacksec (abfd)->next = core_datasec (abfd); |
| 529 | core_datasec (abfd)->next = core_regsec (abfd); |
| 530 | core_regsec (abfd)->next = core_reg2sec (abfd); |
| 531 | |
| 532 | abfd->section_count = 4; |
| 533 | |
| 534 | return abfd->xvec; |
| 535 | } |
| 536 | |
| 537 | char * |
| 538 | sunos4_core_file_failing_command (abfd) |
| 539 | bfd *abfd; |
| 540 | { |
| 541 | return core_hdr (abfd)->c_cmdname; |
| 542 | } |
| 543 | |
| 544 | int |
| 545 | sunos4_core_file_failing_signal (abfd) |
| 546 | bfd *abfd; |
| 547 | { |
| 548 | return core_hdr (abfd)->c_signo; |
| 549 | } |
| 550 | |
| 551 | boolean |
| 552 | sunos4_core_file_matches_executable_p (core_bfd, exec_bfd) |
| 553 | bfd *core_bfd, *exec_bfd; |
| 554 | { |
| 555 | if (core_bfd->xvec != exec_bfd->xvec) { |
| 556 | bfd_error = system_call_error; |
| 557 | return false; |
| 558 | } |
| 559 | |
| 560 | return (bcmp ((char *)&core_hdr (core_bfd), (char*) &exec_hdr (exec_bfd), |
| 561 | sizeof (struct exec)) == 0) ? true : false; |
| 562 | } |
| 563 | |
| 564 | /* byte-swap core structure */ |
| 565 | /* FIXME, this needs more work to swap IN a core struct from raw bytes */ |
| 566 | static void |
| 567 | swapcore (abfd, core) |
| 568 | bfd *abfd; |
| 569 | struct core *core; |
| 570 | { |
| 571 | unsigned char exec_bytes[EXEC_BYTES_SIZE]; |
| 572 | |
| 573 | core->c_magic = bfd_h_getlong (abfd, (unsigned char *)&core->c_magic); |
| 574 | core->c_len = bfd_h_getlong (abfd, (unsigned char *)&core->c_len ); |
| 575 | /* Leave integer registers in target byte order. */ |
| 576 | bcopy ((char *)&(core->c_aouthdr), (char *)exec_bytes, EXEC_BYTES_SIZE); |
| 577 | bfd_aout_swap_exec_header_in (abfd, exec_bytes, &core->c_aouthdr); |
| 578 | core->c_signo = bfd_h_getlong (abfd, (unsigned char *)&core->c_signo); |
| 579 | core->c_tsize = bfd_h_getlong (abfd, (unsigned char *)&core->c_tsize); |
| 580 | core->c_dsize = bfd_h_getlong (abfd, (unsigned char *)&core->c_dsize); |
| 581 | core->c_ssize = bfd_h_getlong (abfd, (unsigned char *)&core->c_ssize); |
| 582 | /* Leave FP registers in target byte order. */ |
| 583 | /* Leave "c_ucode" unswapped for now, since we can't find it easily. */ |
| 584 | } |
| 585 | \f |
| 586 | /* We use BFD generic archive files. */ |
| 587 | #define aout_openr_next_archived_file bfd_generic_openr_next_archived_file |
| 588 | #define aout_generic_stat_arch_elt bfd_generic_stat_arch_elt |
| 589 | #define aout_slurp_armap bfd_slurp_bsd_armap |
| 590 | #define aout_slurp_extended_name_table bfd_true |
| 591 | #define aout_write_armap bsd_write_armap |
| 592 | #define aout_truncate_arname bfd_bsd_truncate_arname |
| 593 | |
| 594 | /* We use our own core file format. */ |
| 595 | #define aout_core_file_failing_command sunos4_core_file_failing_command |
| 596 | #define aout_core_file_failing_signal sunos4_core_file_failing_signal |
| 597 | #define aout_core_file_matches_executable_p \ |
| 598 | sunos4_core_file_matches_executable_p |
| 599 | |
| 600 | /* We implement these routines ourselves, rather than using the generic |
| 601 | a.out versions. */ |
| 602 | #define aout_write_object_contents sunos4_write_object_contents |
| 603 | |
| 604 | bfd_target sunos_big_vec = |
| 605 | { |
| 606 | "a.out-sunos-big", /* name */ |
| 607 | bfd_target_aout_flavour_enum, |
| 608 | true, /* target byte order */ |
| 609 | true, /* target headers byte order */ |
| 610 | (HAS_RELOC | EXEC_P | /* object flags */ |
| 611 | HAS_LINENO | HAS_DEBUG | |
| 612 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), |
| 613 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
| 614 | ' ', /* ar_pad_char */ |
| 615 | 16, /* ar_max_namelen */ |
| 616 | _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */ |
| 617 | _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */ |
| 618 | |
| 619 | {_bfd_dummy_target, sunos4_object_p, |
| 620 | bfd_generic_archive_p, sunos4_core_file_p}, |
| 621 | {bfd_false, sunos4_mkobject, |
| 622 | _bfd_generic_mkarchive, bfd_false}, |
| 623 | {bfd_false, sunos4_write_object_contents, /* bfd_write_contents */ |
| 624 | _bfd_write_archive_contents, bfd_false}, |
| 625 | |
| 626 | JUMP_TABLE(aout) |
| 627 | }; |