| 1 | /* BFD back-end for IBM RS/6000 "XCOFF" files. |
| 2 | Copyright 1990, 91, 92, 93, 94, 95, 96, 97, 98, 1999 |
| 3 | Free Software Foundation, Inc. |
| 4 | FIXME: Can someone provide a transliteration of this name into ASCII? |
| 5 | Using the following chars caused a compiler warning on HIUX (so I replaced |
| 6 | them with octal escapes), and isn't useful without an understanding of what |
| 7 | character set it is. |
| 8 | Written by Metin G. Ozisik, Mimi Ph\373\364ng-Th\345o V\365, |
| 9 | and John Gilmore. |
| 10 | Archive support from Damon A. Permezel. |
| 11 | Contributed by IBM Corporation and Cygnus Support. |
| 12 | |
| 13 | This file is part of BFD, the Binary File Descriptor library. |
| 14 | |
| 15 | This program is free software; you can redistribute it and/or modify |
| 16 | it under the terms of the GNU General Public License as published by |
| 17 | the Free Software Foundation; either version 2 of the License, or |
| 18 | (at your option) any later version. |
| 19 | |
| 20 | This program is distributed in the hope that it will be useful, |
| 21 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 23 | GNU General Public License for more details. |
| 24 | |
| 25 | You should have received a copy of the GNU General Public License |
| 26 | along with this program; if not, write to the Free Software |
| 27 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 28 | |
| 29 | /* Internalcoff.h and coffcode.h modify themselves based on this flag. */ |
| 30 | #define RS6000COFF_C 1 |
| 31 | |
| 32 | #include "bfd.h" |
| 33 | #include "sysdep.h" |
| 34 | #include "libbfd.h" |
| 35 | #include "coff/internal.h" |
| 36 | #include "coff/rs6000.h" |
| 37 | #include "libcoff.h" |
| 38 | |
| 39 | /* The main body of code is in coffcode.h. */ |
| 40 | |
| 41 | static boolean xcoff_mkobject PARAMS ((bfd *)); |
| 42 | static boolean xcoff_copy_private_bfd_data PARAMS ((bfd *, bfd *)); |
| 43 | static boolean xcoff_is_local_label_name PARAMS ((bfd *, const char *)); |
| 44 | static void xcoff_rtype2howto |
| 45 | PARAMS ((arelent *, struct internal_reloc *)); |
| 46 | static reloc_howto_type *xcoff_reloc_type_lookup |
| 47 | PARAMS ((bfd *, bfd_reloc_code_real_type)); |
| 48 | static boolean xcoff_slurp_armap PARAMS ((bfd *)); |
| 49 | static const bfd_target *xcoff_archive_p PARAMS ((bfd *)); |
| 50 | static PTR xcoff_read_ar_hdr PARAMS ((bfd *)); |
| 51 | static bfd *xcoff_openr_next_archived_file PARAMS ((bfd *, bfd *)); |
| 52 | static int xcoff_generic_stat_arch_elt PARAMS ((bfd *, struct stat *)); |
| 53 | static const char *normalize_filename PARAMS ((bfd *)); |
| 54 | static boolean xcoff_write_armap |
| 55 | PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int)); |
| 56 | static boolean xcoff_write_archive_contents PARAMS ((bfd *)); |
| 57 | static int _bfd_xcoff_sizeof_headers PARAMS ((bfd *, boolean)); |
| 58 | \f |
| 59 | /* We use our own tdata type. Its first field is the COFF tdata type, |
| 60 | so the COFF routines are compatible. */ |
| 61 | |
| 62 | static boolean |
| 63 | xcoff_mkobject (abfd) |
| 64 | bfd *abfd; |
| 65 | { |
| 66 | coff_data_type *coff; |
| 67 | |
| 68 | abfd->tdata.xcoff_obj_data = |
| 69 | ((struct xcoff_tdata *) |
| 70 | bfd_zalloc (abfd, sizeof (struct xcoff_tdata))); |
| 71 | if (abfd->tdata.xcoff_obj_data == NULL) |
| 72 | return false; |
| 73 | coff = coff_data (abfd); |
| 74 | coff->symbols = (coff_symbol_type *) NULL; |
| 75 | coff->conversion_table = (unsigned int *) NULL; |
| 76 | coff->raw_syments = (struct coff_ptr_struct *) NULL; |
| 77 | coff->relocbase = 0; |
| 78 | |
| 79 | xcoff_data (abfd)->modtype = ('1' << 8) | 'L'; |
| 80 | |
| 81 | /* We set cputype to -1 to indicate that it has not been |
| 82 | initialized. */ |
| 83 | xcoff_data (abfd)->cputype = -1; |
| 84 | |
| 85 | xcoff_data (abfd)->csects = NULL; |
| 86 | xcoff_data (abfd)->debug_indices = NULL; |
| 87 | |
| 88 | return true; |
| 89 | } |
| 90 | |
| 91 | /* Copy XCOFF data from one BFD to another. */ |
| 92 | |
| 93 | static boolean |
| 94 | xcoff_copy_private_bfd_data (ibfd, obfd) |
| 95 | bfd *ibfd; |
| 96 | bfd *obfd; |
| 97 | { |
| 98 | struct xcoff_tdata *ix, *ox; |
| 99 | asection *sec; |
| 100 | |
| 101 | if (ibfd->xvec != obfd->xvec) |
| 102 | return true; |
| 103 | ix = xcoff_data (ibfd); |
| 104 | ox = xcoff_data (obfd); |
| 105 | ox->full_aouthdr = ix->full_aouthdr; |
| 106 | ox->toc = ix->toc; |
| 107 | if (ix->sntoc == 0) |
| 108 | ox->sntoc = 0; |
| 109 | else |
| 110 | { |
| 111 | sec = coff_section_from_bfd_index (ibfd, ix->sntoc); |
| 112 | if (sec == NULL) |
| 113 | ox->sntoc = 0; |
| 114 | else |
| 115 | ox->sntoc = sec->output_section->target_index; |
| 116 | } |
| 117 | if (ix->snentry == 0) |
| 118 | ox->snentry = 0; |
| 119 | else |
| 120 | { |
| 121 | sec = coff_section_from_bfd_index (ibfd, ix->snentry); |
| 122 | if (sec == NULL) |
| 123 | ox->snentry = 0; |
| 124 | else |
| 125 | ox->snentry = sec->output_section->target_index; |
| 126 | } |
| 127 | ox->text_align_power = ix->text_align_power; |
| 128 | ox->data_align_power = ix->data_align_power; |
| 129 | ox->modtype = ix->modtype; |
| 130 | ox->cputype = ix->cputype; |
| 131 | ox->maxdata = ix->maxdata; |
| 132 | ox->maxstack = ix->maxstack; |
| 133 | return true; |
| 134 | } |
| 135 | |
| 136 | /* I don't think XCOFF really has a notion of local labels based on |
| 137 | name. This will mean that ld -X doesn't actually strip anything. |
| 138 | The AIX native linker does not have a -X option, and it ignores the |
| 139 | -x option. */ |
| 140 | |
| 141 | static boolean |
| 142 | xcoff_is_local_label_name (abfd, name) |
| 143 | bfd *abfd ATTRIBUTE_UNUSED; |
| 144 | const char *name ATTRIBUTE_UNUSED; |
| 145 | { |
| 146 | return false; |
| 147 | } |
| 148 | \f |
| 149 | /* The XCOFF reloc table. Actually, XCOFF relocations specify the |
| 150 | bitsize and whether they are signed or not, along with a |
| 151 | conventional type. This table is for the types, which are used for |
| 152 | different algorithms for putting in the reloc. Many of these |
| 153 | relocs need special_function entries, which I have not written. */ |
| 154 | |
| 155 | static reloc_howto_type xcoff_howto_table[] = |
| 156 | { |
| 157 | /* Standard 32 bit relocation. */ |
| 158 | HOWTO (0, /* type */ |
| 159 | 0, /* rightshift */ |
| 160 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 161 | 32, /* bitsize */ |
| 162 | false, /* pc_relative */ |
| 163 | 0, /* bitpos */ |
| 164 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 165 | 0, /* special_function */ |
| 166 | "R_POS", /* name */ |
| 167 | true, /* partial_inplace */ |
| 168 | 0xffffffff, /* src_mask */ |
| 169 | 0xffffffff, /* dst_mask */ |
| 170 | false), /* pcrel_offset */ |
| 171 | |
| 172 | /* 32 bit relocation, but store negative value. */ |
| 173 | HOWTO (1, /* type */ |
| 174 | 0, /* rightshift */ |
| 175 | -2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 176 | 32, /* bitsize */ |
| 177 | false, /* pc_relative */ |
| 178 | 0, /* bitpos */ |
| 179 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 180 | 0, /* special_function */ |
| 181 | "R_NEG", /* name */ |
| 182 | true, /* partial_inplace */ |
| 183 | 0xffffffff, /* src_mask */ |
| 184 | 0xffffffff, /* dst_mask */ |
| 185 | false), /* pcrel_offset */ |
| 186 | |
| 187 | /* 32 bit PC relative relocation. */ |
| 188 | HOWTO (2, /* type */ |
| 189 | 0, /* rightshift */ |
| 190 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 191 | 32, /* bitsize */ |
| 192 | true, /* pc_relative */ |
| 193 | 0, /* bitpos */ |
| 194 | complain_overflow_signed, /* complain_on_overflow */ |
| 195 | 0, /* special_function */ |
| 196 | "R_REL", /* name */ |
| 197 | true, /* partial_inplace */ |
| 198 | 0xffffffff, /* src_mask */ |
| 199 | 0xffffffff, /* dst_mask */ |
| 200 | false), /* pcrel_offset */ |
| 201 | |
| 202 | /* 16 bit TOC relative relocation. */ |
| 203 | HOWTO (3, /* type */ |
| 204 | 0, /* rightshift */ |
| 205 | 1, /* size (0 = byte, 1 = short, 2 = long) */ |
| 206 | 16, /* bitsize */ |
| 207 | false, /* pc_relative */ |
| 208 | 0, /* bitpos */ |
| 209 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 210 | 0, /* special_function */ |
| 211 | "R_TOC", /* name */ |
| 212 | true, /* partial_inplace */ |
| 213 | 0xffff, /* src_mask */ |
| 214 | 0xffff, /* dst_mask */ |
| 215 | false), /* pcrel_offset */ |
| 216 | |
| 217 | /* I don't really know what this is. */ |
| 218 | HOWTO (4, /* type */ |
| 219 | 1, /* rightshift */ |
| 220 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 221 | 32, /* bitsize */ |
| 222 | false, /* pc_relative */ |
| 223 | 0, /* bitpos */ |
| 224 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 225 | 0, /* special_function */ |
| 226 | "R_RTB", /* name */ |
| 227 | true, /* partial_inplace */ |
| 228 | 0xffffffff, /* src_mask */ |
| 229 | 0xffffffff, /* dst_mask */ |
| 230 | false), /* pcrel_offset */ |
| 231 | |
| 232 | /* External TOC relative symbol. */ |
| 233 | HOWTO (5, /* type */ |
| 234 | 0, /* rightshift */ |
| 235 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 236 | 16, /* bitsize */ |
| 237 | false, /* pc_relative */ |
| 238 | 0, /* bitpos */ |
| 239 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 240 | 0, /* special_function */ |
| 241 | "R_GL", /* name */ |
| 242 | true, /* partial_inplace */ |
| 243 | 0xffff, /* src_mask */ |
| 244 | 0xffff, /* dst_mask */ |
| 245 | false), /* pcrel_offset */ |
| 246 | |
| 247 | /* Local TOC relative symbol. */ |
| 248 | HOWTO (6, /* type */ |
| 249 | 0, /* rightshift */ |
| 250 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 251 | 16, /* bitsize */ |
| 252 | false, /* pc_relative */ |
| 253 | 0, /* bitpos */ |
| 254 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 255 | 0, /* special_function */ |
| 256 | "R_TCL", /* name */ |
| 257 | true, /* partial_inplace */ |
| 258 | 0xffff, /* src_mask */ |
| 259 | 0xffff, /* dst_mask */ |
| 260 | false), /* pcrel_offset */ |
| 261 | |
| 262 | EMPTY_HOWTO (7), |
| 263 | |
| 264 | /* Non modifiable absolute branch. */ |
| 265 | HOWTO (8, /* type */ |
| 266 | 0, /* rightshift */ |
| 267 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 268 | 26, /* bitsize */ |
| 269 | false, /* pc_relative */ |
| 270 | 0, /* bitpos */ |
| 271 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 272 | 0, /* special_function */ |
| 273 | "R_BA", /* name */ |
| 274 | true, /* partial_inplace */ |
| 275 | 0x3fffffc, /* src_mask */ |
| 276 | 0x3fffffc, /* dst_mask */ |
| 277 | false), /* pcrel_offset */ |
| 278 | |
| 279 | EMPTY_HOWTO (9), |
| 280 | |
| 281 | /* Non modifiable relative branch. */ |
| 282 | HOWTO (0xa, /* type */ |
| 283 | 0, /* rightshift */ |
| 284 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 285 | 26, /* bitsize */ |
| 286 | true, /* pc_relative */ |
| 287 | 0, /* bitpos */ |
| 288 | complain_overflow_signed, /* complain_on_overflow */ |
| 289 | 0, /* special_function */ |
| 290 | "R_BR", /* name */ |
| 291 | true, /* partial_inplace */ |
| 292 | 0x3fffffc, /* src_mask */ |
| 293 | 0x3fffffc, /* dst_mask */ |
| 294 | false), /* pcrel_offset */ |
| 295 | |
| 296 | EMPTY_HOWTO (0xb), |
| 297 | |
| 298 | /* Indirect load. */ |
| 299 | HOWTO (0xc, /* type */ |
| 300 | 0, /* rightshift */ |
| 301 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 302 | 16, /* bitsize */ |
| 303 | false, /* pc_relative */ |
| 304 | 0, /* bitpos */ |
| 305 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 306 | 0, /* special_function */ |
| 307 | "R_RL", /* name */ |
| 308 | true, /* partial_inplace */ |
| 309 | 0xffff, /* src_mask */ |
| 310 | 0xffff, /* dst_mask */ |
| 311 | false), /* pcrel_offset */ |
| 312 | |
| 313 | /* Load address. */ |
| 314 | HOWTO (0xd, /* type */ |
| 315 | 0, /* rightshift */ |
| 316 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 317 | 16, /* bitsize */ |
| 318 | false, /* pc_relative */ |
| 319 | 0, /* bitpos */ |
| 320 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 321 | 0, /* special_function */ |
| 322 | "R_RLA", /* name */ |
| 323 | true, /* partial_inplace */ |
| 324 | 0xffff, /* src_mask */ |
| 325 | 0xffff, /* dst_mask */ |
| 326 | false), /* pcrel_offset */ |
| 327 | |
| 328 | EMPTY_HOWTO (0xe), |
| 329 | |
| 330 | /* Non-relocating reference. */ |
| 331 | HOWTO (0xf, /* type */ |
| 332 | 0, /* rightshift */ |
| 333 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 334 | 32, /* bitsize */ |
| 335 | false, /* pc_relative */ |
| 336 | 0, /* bitpos */ |
| 337 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 338 | 0, /* special_function */ |
| 339 | "R_REF", /* name */ |
| 340 | false, /* partial_inplace */ |
| 341 | 0, /* src_mask */ |
| 342 | 0, /* dst_mask */ |
| 343 | false), /* pcrel_offset */ |
| 344 | |
| 345 | EMPTY_HOWTO (0x10), |
| 346 | EMPTY_HOWTO (0x11), |
| 347 | |
| 348 | /* TOC relative indirect load. */ |
| 349 | HOWTO (0x12, /* type */ |
| 350 | 0, /* rightshift */ |
| 351 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 352 | 16, /* bitsize */ |
| 353 | false, /* pc_relative */ |
| 354 | 0, /* bitpos */ |
| 355 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 356 | 0, /* special_function */ |
| 357 | "R_TRL", /* name */ |
| 358 | true, /* partial_inplace */ |
| 359 | 0xffff, /* src_mask */ |
| 360 | 0xffff, /* dst_mask */ |
| 361 | false), /* pcrel_offset */ |
| 362 | |
| 363 | /* TOC relative load address. */ |
| 364 | HOWTO (0x13, /* type */ |
| 365 | 0, /* rightshift */ |
| 366 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 367 | 16, /* bitsize */ |
| 368 | false, /* pc_relative */ |
| 369 | 0, /* bitpos */ |
| 370 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 371 | 0, /* special_function */ |
| 372 | "R_TRLA", /* name */ |
| 373 | true, /* partial_inplace */ |
| 374 | 0xffff, /* src_mask */ |
| 375 | 0xffff, /* dst_mask */ |
| 376 | false), /* pcrel_offset */ |
| 377 | |
| 378 | /* Modifiable relative branch. */ |
| 379 | HOWTO (0x14, /* type */ |
| 380 | 1, /* rightshift */ |
| 381 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 382 | 32, /* bitsize */ |
| 383 | false, /* pc_relative */ |
| 384 | 0, /* bitpos */ |
| 385 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 386 | 0, /* special_function */ |
| 387 | "R_RRTBI", /* name */ |
| 388 | true, /* partial_inplace */ |
| 389 | 0xffffffff, /* src_mask */ |
| 390 | 0xffffffff, /* dst_mask */ |
| 391 | false), /* pcrel_offset */ |
| 392 | |
| 393 | /* Modifiable absolute branch. */ |
| 394 | HOWTO (0x15, /* type */ |
| 395 | 1, /* rightshift */ |
| 396 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 397 | 32, /* bitsize */ |
| 398 | false, /* pc_relative */ |
| 399 | 0, /* bitpos */ |
| 400 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 401 | 0, /* special_function */ |
| 402 | "R_RRTBA", /* name */ |
| 403 | true, /* partial_inplace */ |
| 404 | 0xffffffff, /* src_mask */ |
| 405 | 0xffffffff, /* dst_mask */ |
| 406 | false), /* pcrel_offset */ |
| 407 | |
| 408 | /* Modifiable call absolute indirect. */ |
| 409 | HOWTO (0x16, /* type */ |
| 410 | 0, /* rightshift */ |
| 411 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 412 | 16, /* bitsize */ |
| 413 | false, /* pc_relative */ |
| 414 | 0, /* bitpos */ |
| 415 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 416 | 0, /* special_function */ |
| 417 | "R_CAI", /* name */ |
| 418 | true, /* partial_inplace */ |
| 419 | 0xffff, /* src_mask */ |
| 420 | 0xffff, /* dst_mask */ |
| 421 | false), /* pcrel_offset */ |
| 422 | |
| 423 | /* Modifiable call relative. */ |
| 424 | HOWTO (0x17, /* type */ |
| 425 | 0, /* rightshift */ |
| 426 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 427 | 16, /* bitsize */ |
| 428 | false, /* pc_relative */ |
| 429 | 0, /* bitpos */ |
| 430 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 431 | 0, /* special_function */ |
| 432 | "R_CREL", /* name */ |
| 433 | true, /* partial_inplace */ |
| 434 | 0xffff, /* src_mask */ |
| 435 | 0xffff, /* dst_mask */ |
| 436 | false), /* pcrel_offset */ |
| 437 | |
| 438 | /* Modifiable branch absolute. */ |
| 439 | HOWTO (0x18, /* type */ |
| 440 | 0, /* rightshift */ |
| 441 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 442 | 16, /* bitsize */ |
| 443 | false, /* pc_relative */ |
| 444 | 0, /* bitpos */ |
| 445 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 446 | 0, /* special_function */ |
| 447 | "R_RBA", /* name */ |
| 448 | true, /* partial_inplace */ |
| 449 | 0xffff, /* src_mask */ |
| 450 | 0xffff, /* dst_mask */ |
| 451 | false), /* pcrel_offset */ |
| 452 | |
| 453 | /* Modifiable branch absolute. */ |
| 454 | HOWTO (0x19, /* type */ |
| 455 | 0, /* rightshift */ |
| 456 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 457 | 16, /* bitsize */ |
| 458 | false, /* pc_relative */ |
| 459 | 0, /* bitpos */ |
| 460 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 461 | 0, /* special_function */ |
| 462 | "R_RBAC", /* name */ |
| 463 | true, /* partial_inplace */ |
| 464 | 0xffff, /* src_mask */ |
| 465 | 0xffff, /* dst_mask */ |
| 466 | false), /* pcrel_offset */ |
| 467 | |
| 468 | /* Modifiable branch relative. */ |
| 469 | HOWTO (0x1a, /* type */ |
| 470 | 0, /* rightshift */ |
| 471 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 472 | 26, /* bitsize */ |
| 473 | false, /* pc_relative */ |
| 474 | 0, /* bitpos */ |
| 475 | complain_overflow_signed, /* complain_on_overflow */ |
| 476 | 0, /* special_function */ |
| 477 | "R_RBR", /* name */ |
| 478 | true, /* partial_inplace */ |
| 479 | 0xffff, /* src_mask */ |
| 480 | 0xffff, /* dst_mask */ |
| 481 | false), /* pcrel_offset */ |
| 482 | |
| 483 | /* Modifiable branch absolute. */ |
| 484 | HOWTO (0x1b, /* type */ |
| 485 | 0, /* rightshift */ |
| 486 | 2, /* size (0 = byte, 1 = short, 2 = long) */ |
| 487 | 16, /* bitsize */ |
| 488 | false, /* pc_relative */ |
| 489 | 0, /* bitpos */ |
| 490 | complain_overflow_bitfield, /* complain_on_overflow */ |
| 491 | 0, /* special_function */ |
| 492 | "R_RBRC", /* name */ |
| 493 | true, /* partial_inplace */ |
| 494 | 0xffff, /* src_mask */ |
| 495 | 0xffff, /* dst_mask */ |
| 496 | false) /* pcrel_offset */ |
| 497 | }; |
| 498 | |
| 499 | static void |
| 500 | xcoff_rtype2howto (relent, internal) |
| 501 | arelent *relent; |
| 502 | struct internal_reloc *internal; |
| 503 | { |
| 504 | relent->howto = xcoff_howto_table + internal->r_type; |
| 505 | |
| 506 | /* The r_size field of an XCOFF reloc encodes the bitsize of the |
| 507 | relocation, as well as indicating whether it is signed or not. |
| 508 | Doublecheck that the relocation information gathered from the |
| 509 | type matches this information. */ |
| 510 | if (relent->howto->bitsize != ((unsigned int) internal->r_size & 0x1f) + 1) |
| 511 | abort (); |
| 512 | #if 0 |
| 513 | if ((internal->r_size & 0x80) != 0 |
| 514 | ? (relent->howto->complain_on_overflow != complain_overflow_signed) |
| 515 | : (relent->howto->complain_on_overflow != complain_overflow_bitfield)) |
| 516 | abort (); |
| 517 | #endif |
| 518 | } |
| 519 | |
| 520 | static reloc_howto_type * |
| 521 | xcoff_reloc_type_lookup (abfd, code) |
| 522 | bfd *abfd ATTRIBUTE_UNUSED; |
| 523 | bfd_reloc_code_real_type code; |
| 524 | { |
| 525 | switch (code) |
| 526 | { |
| 527 | case BFD_RELOC_PPC_B26: |
| 528 | return &xcoff_howto_table[0xa]; |
| 529 | case BFD_RELOC_PPC_BA26: |
| 530 | return &xcoff_howto_table[8]; |
| 531 | case BFD_RELOC_PPC_TOC16: |
| 532 | return &xcoff_howto_table[3]; |
| 533 | case BFD_RELOC_32: |
| 534 | case BFD_RELOC_CTOR: |
| 535 | return &xcoff_howto_table[0]; |
| 536 | default: |
| 537 | return NULL; |
| 538 | } |
| 539 | } |
| 540 | |
| 541 | #define SELECT_RELOC(internal, howto) \ |
| 542 | { \ |
| 543 | internal.r_type = howto->type; \ |
| 544 | internal.r_size = \ |
| 545 | ((howto->complain_on_overflow == complain_overflow_signed \ |
| 546 | ? 0x80 \ |
| 547 | : 0) \ |
| 548 | | (howto->bitsize - 1)); \ |
| 549 | } |
| 550 | \f |
| 551 | #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER (3) |
| 552 | |
| 553 | #define COFF_LONG_FILENAMES |
| 554 | |
| 555 | #define RTYPE2HOWTO(cache_ptr, dst) xcoff_rtype2howto (cache_ptr, dst) |
| 556 | |
| 557 | #define coff_mkobject xcoff_mkobject |
| 558 | #define coff_bfd_copy_private_bfd_data xcoff_copy_private_bfd_data |
| 559 | #define coff_bfd_is_local_label_name xcoff_is_local_label_name |
| 560 | #define coff_bfd_reloc_type_lookup xcoff_reloc_type_lookup |
| 561 | #define coff_relocate_section _bfd_ppc_xcoff_relocate_section |
| 562 | |
| 563 | #include "coffcode.h" |
| 564 | \f |
| 565 | /* XCOFF archive support. The original version of this code was by |
| 566 | Damon A. Permezel. It was enhanced to permit cross support, and |
| 567 | writing archive files, by Ian Lance Taylor, Cygnus Support. |
| 568 | |
| 569 | XCOFF uses its own archive format. Everything is hooked together |
| 570 | with file offset links, so it is possible to rapidly update an |
| 571 | archive in place. Of course, we don't do that. An XCOFF archive |
| 572 | has a real file header, not just an ARMAG string. The structure of |
| 573 | the file header and of each archive header appear below. |
| 574 | |
| 575 | An XCOFF archive also has a member table, which is a list of |
| 576 | elements in the archive (you can get that by looking through the |
| 577 | linked list, but you have to read a lot more of the file). The |
| 578 | member table has a normal archive header with an empty name. It is |
| 579 | normally (and perhaps must be) the second to last entry in the |
| 580 | archive. The member table data is almost printable ASCII. It |
| 581 | starts with a 12 character decimal string which is the number of |
| 582 | entries in the table. For each entry it has a 12 character decimal |
| 583 | string which is the offset in the archive of that member. These |
| 584 | entries are followed by a series of null terminated strings which |
| 585 | are the member names for each entry. |
| 586 | |
| 587 | Finally, an XCOFF archive has a global symbol table, which is what |
| 588 | we call the armap. The global symbol table has a normal archive |
| 589 | header with an empty name. It is normally (and perhaps must be) |
| 590 | the last entry in the archive. The contents start with a four byte |
| 591 | binary number which is the number of entries. This is followed by |
| 592 | a that many four byte binary numbers; each is the file offset of an |
| 593 | entry in the archive. These numbers are followed by a series of |
| 594 | null terminated strings, which are symbol names. */ |
| 595 | |
| 596 | /* XCOFF archives use this as a magic string. */ |
| 597 | |
| 598 | #define XCOFFARMAG "<aiaff>\012" |
| 599 | #define SXCOFFARMAG 8 |
| 600 | |
| 601 | /* This terminates an XCOFF archive member name. */ |
| 602 | |
| 603 | #define XCOFFARFMAG "`\012" |
| 604 | #define SXCOFFARFMAG 2 |
| 605 | |
| 606 | /* XCOFF archives start with this (printable) structure. */ |
| 607 | |
| 608 | struct xcoff_ar_file_hdr |
| 609 | { |
| 610 | /* Magic string. */ |
| 611 | char magic[SXCOFFARMAG]; |
| 612 | |
| 613 | /* Offset of the member table (decimal ASCII string). */ |
| 614 | char memoff[12]; |
| 615 | |
| 616 | /* Offset of the global symbol table (decimal ASCII string). */ |
| 617 | char symoff[12]; |
| 618 | |
| 619 | /* Offset of the first member in the archive (decimal ASCII string). */ |
| 620 | char firstmemoff[12]; |
| 621 | |
| 622 | /* Offset of the last member in the archive (decimal ASCII string). */ |
| 623 | char lastmemoff[12]; |
| 624 | |
| 625 | /* Offset of the first member on the free list (decimal ASCII |
| 626 | string). */ |
| 627 | char freeoff[12]; |
| 628 | }; |
| 629 | |
| 630 | #define SIZEOF_AR_FILE_HDR (5 * 12 + SXCOFFARMAG) |
| 631 | |
| 632 | /* Each XCOFF archive member starts with this (printable) structure. */ |
| 633 | |
| 634 | struct xcoff_ar_hdr |
| 635 | { |
| 636 | /* File size not including the header (decimal ASCII string). */ |
| 637 | char size[12]; |
| 638 | |
| 639 | /* File offset of next archive member (decimal ASCII string). */ |
| 640 | char nextoff[12]; |
| 641 | |
| 642 | /* File offset of previous archive member (decimal ASCII string). */ |
| 643 | char prevoff[12]; |
| 644 | |
| 645 | /* File mtime (decimal ASCII string). */ |
| 646 | char date[12]; |
| 647 | |
| 648 | /* File UID (decimal ASCII string). */ |
| 649 | char uid[12]; |
| 650 | |
| 651 | /* File GID (decimal ASCII string). */ |
| 652 | char gid[12]; |
| 653 | |
| 654 | /* File mode (octal ASCII string). */ |
| 655 | char mode[12]; |
| 656 | |
| 657 | /* Length of file name (decimal ASCII string). */ |
| 658 | char namlen[4]; |
| 659 | |
| 660 | /* This structure is followed by the file name. The length of the |
| 661 | name is given in the namlen field. If the length of the name is |
| 662 | odd, the name is followed by a null byte. The name and optional |
| 663 | null byte are followed by XCOFFARFMAG, which is not included in |
| 664 | namlen. The contents of the archive member follow; the number of |
| 665 | bytes is given in the size field. */ |
| 666 | }; |
| 667 | |
| 668 | #define SIZEOF_AR_HDR (7 * 12 + 4) |
| 669 | |
| 670 | /* We store a copy of the xcoff_ar_file_hdr in the tdata field of the |
| 671 | artdata structure. */ |
| 672 | #define xcoff_ardata(abfd) \ |
| 673 | ((struct xcoff_ar_file_hdr *) bfd_ardata (abfd)->tdata) |
| 674 | |
| 675 | /* We store a copy of the xcoff_ar_hdr in the arelt_data field of an |
| 676 | archive element. */ |
| 677 | #define arch_eltdata(bfd) ((struct areltdata *) ((bfd)->arelt_data)) |
| 678 | #define arch_xhdr(bfd) \ |
| 679 | ((struct xcoff_ar_hdr *) arch_eltdata (bfd)->arch_header) |
| 680 | |
| 681 | /* XCOFF archives do not have anything which corresponds to an |
| 682 | extended name table. */ |
| 683 | |
| 684 | #define xcoff_slurp_extended_name_table bfd_false |
| 685 | #define xcoff_construct_extended_name_table \ |
| 686 | ((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \ |
| 687 | bfd_false) |
| 688 | #define xcoff_truncate_arname bfd_dont_truncate_arname |
| 689 | |
| 690 | /* We can use the standard get_elt_at_index routine. */ |
| 691 | |
| 692 | #define xcoff_get_elt_at_index _bfd_generic_get_elt_at_index |
| 693 | |
| 694 | /* XCOFF archives do not have a timestamp. */ |
| 695 | |
| 696 | #define xcoff_update_armap_timestamp bfd_true |
| 697 | |
| 698 | /* Read in the armap of an XCOFF archive. */ |
| 699 | |
| 700 | static boolean |
| 701 | xcoff_slurp_armap (abfd) |
| 702 | bfd *abfd; |
| 703 | { |
| 704 | file_ptr off; |
| 705 | struct xcoff_ar_hdr hdr; |
| 706 | size_t namlen; |
| 707 | bfd_size_type sz; |
| 708 | bfd_byte *contents, *cend; |
| 709 | unsigned int c, i; |
| 710 | carsym *arsym; |
| 711 | bfd_byte *p; |
| 712 | |
| 713 | if (xcoff_ardata (abfd) == NULL) |
| 714 | { |
| 715 | bfd_has_map (abfd) = false; |
| 716 | return true; |
| 717 | } |
| 718 | |
| 719 | off = strtol (xcoff_ardata (abfd)->symoff, (char **) NULL, 10); |
| 720 | if (off == 0) |
| 721 | { |
| 722 | bfd_has_map (abfd) = false; |
| 723 | return true; |
| 724 | } |
| 725 | |
| 726 | if (bfd_seek (abfd, off, SEEK_SET) != 0) |
| 727 | return false; |
| 728 | |
| 729 | /* The symbol table starts with a normal archive header. */ |
| 730 | if (bfd_read ((PTR) &hdr, SIZEOF_AR_HDR, 1, abfd) != SIZEOF_AR_HDR) |
| 731 | return false; |
| 732 | |
| 733 | /* Skip the name (normally empty). */ |
| 734 | namlen = strtol (hdr.namlen, (char **) NULL, 10); |
| 735 | if (bfd_seek (abfd, ((namlen + 1) & ~1) + SXCOFFARFMAG, SEEK_CUR) != 0) |
| 736 | return false; |
| 737 | |
| 738 | /* Read in the entire symbol table. */ |
| 739 | sz = strtol (hdr.size, (char **) NULL, 10); |
| 740 | contents = (bfd_byte *) bfd_alloc (abfd, sz); |
| 741 | if (contents == NULL) |
| 742 | return false; |
| 743 | if (bfd_read ((PTR) contents, 1, sz, abfd) != sz) |
| 744 | return false; |
| 745 | |
| 746 | /* The symbol table starts with a four byte count. */ |
| 747 | c = bfd_h_get_32 (abfd, contents); |
| 748 | |
| 749 | if (c * 4 >= sz) |
| 750 | { |
| 751 | bfd_set_error (bfd_error_bad_value); |
| 752 | return false; |
| 753 | } |
| 754 | |
| 755 | bfd_ardata (abfd)->symdefs = ((carsym *) |
| 756 | bfd_alloc (abfd, c * sizeof (carsym))); |
| 757 | if (bfd_ardata (abfd)->symdefs == NULL) |
| 758 | return false; |
| 759 | |
| 760 | /* After the count comes a list of four byte file offsets. */ |
| 761 | for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 4; |
| 762 | i < c; |
| 763 | ++i, ++arsym, p += 4) |
| 764 | arsym->file_offset = bfd_h_get_32 (abfd, p); |
| 765 | |
| 766 | /* After the file offsets come null terminated symbol names. */ |
| 767 | cend = contents + sz; |
| 768 | for (i = 0, arsym = bfd_ardata (abfd)->symdefs; |
| 769 | i < c; |
| 770 | ++i, ++arsym, p += strlen ((char *) p) + 1) |
| 771 | { |
| 772 | if (p >= cend) |
| 773 | { |
| 774 | bfd_set_error (bfd_error_bad_value); |
| 775 | return false; |
| 776 | } |
| 777 | arsym->name = (char *) p; |
| 778 | } |
| 779 | |
| 780 | bfd_ardata (abfd)->symdef_count = c; |
| 781 | bfd_has_map (abfd) = true; |
| 782 | |
| 783 | return true; |
| 784 | } |
| 785 | |
| 786 | /* See if this is an XCOFF archive. */ |
| 787 | |
| 788 | static const bfd_target * |
| 789 | xcoff_archive_p (abfd) |
| 790 | bfd *abfd; |
| 791 | { |
| 792 | struct xcoff_ar_file_hdr hdr; |
| 793 | |
| 794 | if (bfd_read ((PTR) &hdr, SIZEOF_AR_FILE_HDR, 1, abfd) |
| 795 | != SIZEOF_AR_FILE_HDR) |
| 796 | { |
| 797 | if (bfd_get_error () != bfd_error_system_call) |
| 798 | bfd_set_error (bfd_error_wrong_format); |
| 799 | return NULL; |
| 800 | } |
| 801 | |
| 802 | if (strncmp (hdr.magic, XCOFFARMAG, SXCOFFARMAG) != 0) |
| 803 | { |
| 804 | bfd_set_error (bfd_error_wrong_format); |
| 805 | return NULL; |
| 806 | } |
| 807 | |
| 808 | /* We are setting bfd_ardata(abfd) here, but since bfd_ardata |
| 809 | involves a cast, we can't do it as the left operand of |
| 810 | assignment. */ |
| 811 | abfd->tdata.aout_ar_data = |
| 812 | (struct artdata *) bfd_zalloc (abfd, sizeof (struct artdata)); |
| 813 | |
| 814 | if (bfd_ardata (abfd) == (struct artdata *) NULL) |
| 815 | return NULL; |
| 816 | |
| 817 | bfd_ardata (abfd)->first_file_filepos = strtol (hdr.firstmemoff, |
| 818 | (char **) NULL, 10); |
| 819 | bfd_ardata (abfd)->cache = NULL; |
| 820 | bfd_ardata (abfd)->archive_head = NULL; |
| 821 | bfd_ardata (abfd)->symdefs = NULL; |
| 822 | bfd_ardata (abfd)->extended_names = NULL; |
| 823 | |
| 824 | bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, SIZEOF_AR_FILE_HDR); |
| 825 | if (bfd_ardata (abfd)->tdata == NULL) |
| 826 | return NULL; |
| 827 | |
| 828 | memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR); |
| 829 | |
| 830 | if (! xcoff_slurp_armap (abfd)) |
| 831 | { |
| 832 | bfd_release (abfd, bfd_ardata (abfd)); |
| 833 | abfd->tdata.aout_ar_data = (struct artdata *) NULL; |
| 834 | return NULL; |
| 835 | } |
| 836 | |
| 837 | return abfd->xvec; |
| 838 | } |
| 839 | |
| 840 | /* Read the archive header in an XCOFF archive. */ |
| 841 | |
| 842 | static PTR |
| 843 | xcoff_read_ar_hdr (abfd) |
| 844 | bfd *abfd; |
| 845 | { |
| 846 | struct xcoff_ar_hdr hdr; |
| 847 | size_t namlen; |
| 848 | struct xcoff_ar_hdr *hdrp; |
| 849 | struct areltdata *ret; |
| 850 | |
| 851 | if (bfd_read ((PTR) &hdr, SIZEOF_AR_HDR, 1, abfd) != SIZEOF_AR_HDR) |
| 852 | return NULL; |
| 853 | |
| 854 | namlen = strtol (hdr.namlen, (char **) NULL, 10); |
| 855 | hdrp = (struct xcoff_ar_hdr *) bfd_alloc (abfd, SIZEOF_AR_HDR + namlen + 1); |
| 856 | if (hdrp == NULL) |
| 857 | return NULL; |
| 858 | memcpy (hdrp, &hdr, SIZEOF_AR_HDR); |
| 859 | if (bfd_read ((char *) hdrp + SIZEOF_AR_HDR, 1, namlen, abfd) != namlen) |
| 860 | return NULL; |
| 861 | ((char *) hdrp)[SIZEOF_AR_HDR + namlen] = '\0'; |
| 862 | |
| 863 | ret = (struct areltdata *) bfd_alloc (abfd, sizeof (struct areltdata)); |
| 864 | if (ret == NULL) |
| 865 | return NULL; |
| 866 | ret->arch_header = (char *) hdrp; |
| 867 | ret->parsed_size = strtol (hdr.size, (char **) NULL, 10); |
| 868 | ret->filename = (char *) hdrp + SIZEOF_AR_HDR; |
| 869 | |
| 870 | /* Skip over the XCOFFARFMAG at the end of the file name. */ |
| 871 | if (bfd_seek (abfd, (namlen & 1) + SXCOFFARFMAG, SEEK_CUR) != 0) |
| 872 | return NULL; |
| 873 | |
| 874 | return (PTR) ret; |
| 875 | } |
| 876 | |
| 877 | /* Open the next element in an XCOFF archive. */ |
| 878 | |
| 879 | static bfd * |
| 880 | xcoff_openr_next_archived_file (archive, last_file) |
| 881 | bfd *archive; |
| 882 | bfd *last_file; |
| 883 | { |
| 884 | file_ptr filestart; |
| 885 | |
| 886 | if (xcoff_ardata (archive) == NULL) |
| 887 | { |
| 888 | bfd_set_error (bfd_error_invalid_operation); |
| 889 | return NULL; |
| 890 | } |
| 891 | |
| 892 | if (last_file == NULL) |
| 893 | filestart = bfd_ardata (archive)->first_file_filepos; |
| 894 | else |
| 895 | filestart = strtol (arch_xhdr (last_file)->nextoff, (char **) NULL, 10); |
| 896 | |
| 897 | if (filestart == 0 |
| 898 | || filestart == strtol (xcoff_ardata (archive)->memoff, |
| 899 | (char **) NULL, 10) |
| 900 | || filestart == strtol (xcoff_ardata (archive)->symoff, |
| 901 | (char **) NULL, 10)) |
| 902 | { |
| 903 | bfd_set_error (bfd_error_no_more_archived_files); |
| 904 | return NULL; |
| 905 | } |
| 906 | |
| 907 | return _bfd_get_elt_at_filepos (archive, filestart); |
| 908 | } |
| 909 | |
| 910 | /* Stat an element in an XCOFF archive. */ |
| 911 | |
| 912 | static int |
| 913 | xcoff_generic_stat_arch_elt (abfd, s) |
| 914 | bfd *abfd; |
| 915 | struct stat *s; |
| 916 | { |
| 917 | struct xcoff_ar_hdr *hdrp; |
| 918 | |
| 919 | if (abfd->arelt_data == NULL) |
| 920 | { |
| 921 | bfd_set_error (bfd_error_invalid_operation); |
| 922 | return -1; |
| 923 | } |
| 924 | |
| 925 | hdrp = arch_xhdr (abfd); |
| 926 | |
| 927 | s->st_mtime = strtol (hdrp->date, (char **) NULL, 10); |
| 928 | s->st_uid = strtol (hdrp->uid, (char **) NULL, 10); |
| 929 | s->st_gid = strtol (hdrp->gid, (char **) NULL, 10); |
| 930 | s->st_mode = strtol (hdrp->mode, (char **) NULL, 8); |
| 931 | s->st_size = arch_eltdata (abfd)->parsed_size; |
| 932 | |
| 933 | return 0; |
| 934 | } |
| 935 | |
| 936 | /* Normalize a file name for inclusion in an archive. */ |
| 937 | |
| 938 | static const char * |
| 939 | normalize_filename (abfd) |
| 940 | bfd *abfd; |
| 941 | { |
| 942 | const char *file; |
| 943 | const char *filename; |
| 944 | |
| 945 | file = bfd_get_filename (abfd); |
| 946 | filename = strrchr (file, '/'); |
| 947 | if (filename != NULL) |
| 948 | filename++; |
| 949 | else |
| 950 | filename = file; |
| 951 | return filename; |
| 952 | } |
| 953 | |
| 954 | /* Write out an XCOFF armap. */ |
| 955 | |
| 956 | /*ARGSUSED*/ |
| 957 | static boolean |
| 958 | xcoff_write_armap (abfd, elength, map, orl_count, stridx) |
| 959 | bfd *abfd; |
| 960 | unsigned int elength ATTRIBUTE_UNUSED; |
| 961 | struct orl *map; |
| 962 | unsigned int orl_count; |
| 963 | int stridx; |
| 964 | { |
| 965 | struct xcoff_ar_hdr hdr; |
| 966 | char *p; |
| 967 | unsigned char buf[4]; |
| 968 | bfd *sub; |
| 969 | file_ptr fileoff; |
| 970 | unsigned int i; |
| 971 | |
| 972 | memset (&hdr, 0, sizeof hdr); |
| 973 | sprintf (hdr.size, "%ld", (long) (4 + orl_count * 4 + stridx)); |
| 974 | sprintf (hdr.nextoff, "%d", 0); |
| 975 | memcpy (hdr.prevoff, xcoff_ardata (abfd)->memoff, 12); |
| 976 | sprintf (hdr.date, "%d", 0); |
| 977 | sprintf (hdr.uid, "%d", 0); |
| 978 | sprintf (hdr.gid, "%d", 0); |
| 979 | sprintf (hdr.mode, "%d", 0); |
| 980 | sprintf (hdr.namlen, "%d", 0); |
| 981 | |
| 982 | /* We need spaces, not null bytes, in the header. */ |
| 983 | for (p = (char *) &hdr; p < (char *) &hdr + SIZEOF_AR_HDR; p++) |
| 984 | if (*p == '\0') |
| 985 | *p = ' '; |
| 986 | |
| 987 | if (bfd_write ((PTR) &hdr, SIZEOF_AR_HDR, 1, abfd) != SIZEOF_AR_HDR |
| 988 | || bfd_write (XCOFFARFMAG, 1, SXCOFFARFMAG, abfd) != SXCOFFARFMAG) |
| 989 | return false; |
| 990 | |
| 991 | bfd_h_put_32 (abfd, orl_count, buf); |
| 992 | if (bfd_write (buf, 1, 4, abfd) != 4) |
| 993 | return false; |
| 994 | |
| 995 | sub = abfd->archive_head; |
| 996 | fileoff = SIZEOF_AR_FILE_HDR; |
| 997 | i = 0; |
| 998 | while (sub != NULL && i < orl_count) |
| 999 | { |
| 1000 | size_t namlen; |
| 1001 | |
| 1002 | while (((bfd *) (map[i]).pos) == sub) |
| 1003 | { |
| 1004 | bfd_h_put_32 (abfd, fileoff, buf); |
| 1005 | if (bfd_write (buf, 1, 4, abfd) != 4) |
| 1006 | return false; |
| 1007 | ++i; |
| 1008 | } |
| 1009 | namlen = strlen (normalize_filename (sub)); |
| 1010 | namlen = (namlen + 1) &~ 1; |
| 1011 | fileoff += (SIZEOF_AR_HDR |
| 1012 | + namlen |
| 1013 | + SXCOFFARFMAG |
| 1014 | + arelt_size (sub)); |
| 1015 | fileoff = (fileoff + 1) &~ 1; |
| 1016 | sub = sub->next; |
| 1017 | } |
| 1018 | |
| 1019 | for (i = 0; i < orl_count; i++) |
| 1020 | { |
| 1021 | const char *name; |
| 1022 | size_t namlen; |
| 1023 | |
| 1024 | name = *map[i].name; |
| 1025 | namlen = strlen (name); |
| 1026 | if (bfd_write (name, 1, namlen + 1, abfd) != namlen + 1) |
| 1027 | return false; |
| 1028 | } |
| 1029 | |
| 1030 | if ((stridx & 1) != 0) |
| 1031 | { |
| 1032 | char b; |
| 1033 | |
| 1034 | b = '\0'; |
| 1035 | if (bfd_write (&b, 1, 1, abfd) != 1) |
| 1036 | return false; |
| 1037 | } |
| 1038 | |
| 1039 | return true; |
| 1040 | } |
| 1041 | |
| 1042 | /* Write out an XCOFF archive. We always write an entire archive, |
| 1043 | rather than fussing with the freelist and so forth. */ |
| 1044 | |
| 1045 | static boolean |
| 1046 | xcoff_write_archive_contents (abfd) |
| 1047 | bfd *abfd; |
| 1048 | { |
| 1049 | struct xcoff_ar_file_hdr fhdr; |
| 1050 | size_t count; |
| 1051 | size_t total_namlen; |
| 1052 | file_ptr *offsets; |
| 1053 | boolean makemap; |
| 1054 | boolean hasobjects; |
| 1055 | file_ptr prevoff, nextoff; |
| 1056 | bfd *sub; |
| 1057 | unsigned int i; |
| 1058 | struct xcoff_ar_hdr ahdr; |
| 1059 | bfd_size_type size; |
| 1060 | char *p; |
| 1061 | char decbuf[13]; |
| 1062 | |
| 1063 | memset (&fhdr, 0, sizeof fhdr); |
| 1064 | strncpy (fhdr.magic, XCOFFARMAG, SXCOFFARMAG); |
| 1065 | sprintf (fhdr.firstmemoff, "%d", SIZEOF_AR_FILE_HDR); |
| 1066 | sprintf (fhdr.freeoff, "%d", 0); |
| 1067 | |
| 1068 | count = 0; |
| 1069 | total_namlen = 0; |
| 1070 | for (sub = abfd->archive_head; sub != NULL; sub = sub->next) |
| 1071 | { |
| 1072 | ++count; |
| 1073 | total_namlen += strlen (normalize_filename (sub)) + 1; |
| 1074 | } |
| 1075 | offsets = (file_ptr *) bfd_alloc (abfd, count * sizeof (file_ptr)); |
| 1076 | if (offsets == NULL) |
| 1077 | return false; |
| 1078 | |
| 1079 | if (bfd_seek (abfd, SIZEOF_AR_FILE_HDR, SEEK_SET) != 0) |
| 1080 | return false; |
| 1081 | |
| 1082 | makemap = bfd_has_map (abfd); |
| 1083 | hasobjects = false; |
| 1084 | prevoff = 0; |
| 1085 | nextoff = SIZEOF_AR_FILE_HDR; |
| 1086 | for (sub = abfd->archive_head, i = 0; sub != NULL; sub = sub->next, i++) |
| 1087 | { |
| 1088 | const char *name; |
| 1089 | size_t namlen; |
| 1090 | struct xcoff_ar_hdr *ahdrp; |
| 1091 | bfd_size_type remaining; |
| 1092 | |
| 1093 | if (makemap && ! hasobjects) |
| 1094 | { |
| 1095 | if (bfd_check_format (sub, bfd_object)) |
| 1096 | hasobjects = true; |
| 1097 | } |
| 1098 | |
| 1099 | name = normalize_filename (sub); |
| 1100 | namlen = strlen (name); |
| 1101 | |
| 1102 | if (sub->arelt_data != NULL) |
| 1103 | ahdrp = arch_xhdr (sub); |
| 1104 | else |
| 1105 | ahdrp = NULL; |
| 1106 | |
| 1107 | if (ahdrp == NULL) |
| 1108 | { |
| 1109 | struct stat s; |
| 1110 | |
| 1111 | memset (&ahdr, 0, sizeof ahdr); |
| 1112 | ahdrp = &ahdr; |
| 1113 | if (stat (bfd_get_filename (sub), &s) != 0) |
| 1114 | { |
| 1115 | bfd_set_error (bfd_error_system_call); |
| 1116 | return false; |
| 1117 | } |
| 1118 | |
| 1119 | sprintf (ahdrp->size, "%ld", (long) s.st_size); |
| 1120 | sprintf (ahdrp->date, "%ld", (long) s.st_mtime); |
| 1121 | sprintf (ahdrp->uid, "%ld", (long) s.st_uid); |
| 1122 | sprintf (ahdrp->gid, "%ld", (long) s.st_gid); |
| 1123 | sprintf (ahdrp->mode, "%o", (unsigned int) s.st_mode); |
| 1124 | |
| 1125 | if (sub->arelt_data == NULL) |
| 1126 | { |
| 1127 | sub->arelt_data = bfd_alloc (sub, sizeof (struct areltdata)); |
| 1128 | if (sub->arelt_data == NULL) |
| 1129 | return false; |
| 1130 | } |
| 1131 | |
| 1132 | arch_eltdata (sub)->parsed_size = s.st_size; |
| 1133 | } |
| 1134 | |
| 1135 | sprintf (ahdrp->prevoff, "%ld", (long) prevoff); |
| 1136 | sprintf (ahdrp->namlen, "%ld", (long) namlen); |
| 1137 | |
| 1138 | /* If the length of the name is odd, we write out the null byte |
| 1139 | after the name as well. */ |
| 1140 | namlen = (namlen + 1) &~ 1; |
| 1141 | |
| 1142 | remaining = arelt_size (sub); |
| 1143 | size = (SIZEOF_AR_HDR |
| 1144 | + namlen |
| 1145 | + SXCOFFARFMAG |
| 1146 | + remaining); |
| 1147 | |
| 1148 | BFD_ASSERT (nextoff == bfd_tell (abfd)); |
| 1149 | |
| 1150 | offsets[i] = nextoff; |
| 1151 | |
| 1152 | prevoff = nextoff; |
| 1153 | nextoff += size + (size & 1); |
| 1154 | |
| 1155 | sprintf (ahdrp->nextoff, "%ld", (long) nextoff); |
| 1156 | |
| 1157 | /* We need spaces, not null bytes, in the header. */ |
| 1158 | for (p = (char *) ahdrp; p < (char *) ahdrp + SIZEOF_AR_HDR; p++) |
| 1159 | if (*p == '\0') |
| 1160 | *p = ' '; |
| 1161 | |
| 1162 | if (bfd_write ((PTR) ahdrp, 1, SIZEOF_AR_HDR, abfd) != SIZEOF_AR_HDR |
| 1163 | || bfd_write ((PTR) name, 1, namlen, abfd) != namlen |
| 1164 | || (bfd_write ((PTR) XCOFFARFMAG, 1, SXCOFFARFMAG, abfd) |
| 1165 | != SXCOFFARFMAG)) |
| 1166 | return false; |
| 1167 | |
| 1168 | if (bfd_seek (sub, (file_ptr) 0, SEEK_SET) != 0) |
| 1169 | return false; |
| 1170 | while (remaining != 0) |
| 1171 | { |
| 1172 | bfd_size_type amt; |
| 1173 | bfd_byte buffer[DEFAULT_BUFFERSIZE]; |
| 1174 | |
| 1175 | amt = sizeof buffer; |
| 1176 | if (amt > remaining) |
| 1177 | amt = remaining; |
| 1178 | if (bfd_read (buffer, 1, amt, sub) != amt |
| 1179 | || bfd_write (buffer, 1, amt, abfd) != amt) |
| 1180 | return false; |
| 1181 | remaining -= amt; |
| 1182 | } |
| 1183 | |
| 1184 | if ((size & 1) != 0) |
| 1185 | { |
| 1186 | bfd_byte b; |
| 1187 | |
| 1188 | b = '\0'; |
| 1189 | if (bfd_write (&b, 1, 1, abfd) != 1) |
| 1190 | return false; |
| 1191 | } |
| 1192 | } |
| 1193 | |
| 1194 | sprintf (fhdr.lastmemoff, "%ld", (long) prevoff); |
| 1195 | |
| 1196 | /* Write out the member table. */ |
| 1197 | |
| 1198 | BFD_ASSERT (nextoff == bfd_tell (abfd)); |
| 1199 | sprintf (fhdr.memoff, "%ld", (long) nextoff); |
| 1200 | |
| 1201 | memset (&ahdr, 0, sizeof ahdr); |
| 1202 | sprintf (ahdr.size, "%ld", (long) (12 + count * 12 + total_namlen)); |
| 1203 | sprintf (ahdr.prevoff, "%ld", (long) prevoff); |
| 1204 | sprintf (ahdr.date, "%d", 0); |
| 1205 | sprintf (ahdr.uid, "%d", 0); |
| 1206 | sprintf (ahdr.gid, "%d", 0); |
| 1207 | sprintf (ahdr.mode, "%d", 0); |
| 1208 | sprintf (ahdr.namlen, "%d", 0); |
| 1209 | |
| 1210 | size = (SIZEOF_AR_HDR |
| 1211 | + 12 |
| 1212 | + count * 12 |
| 1213 | + total_namlen |
| 1214 | + SXCOFFARFMAG); |
| 1215 | |
| 1216 | prevoff = nextoff; |
| 1217 | nextoff += size + (size & 1); |
| 1218 | |
| 1219 | if (makemap && hasobjects) |
| 1220 | sprintf (ahdr.nextoff, "%ld", (long) nextoff); |
| 1221 | else |
| 1222 | sprintf (ahdr.nextoff, "%d", 0); |
| 1223 | |
| 1224 | /* We need spaces, not null bytes, in the header. */ |
| 1225 | for (p = (char *) &ahdr; p < (char *) &ahdr + SIZEOF_AR_HDR; p++) |
| 1226 | if (*p == '\0') |
| 1227 | *p = ' '; |
| 1228 | |
| 1229 | if (bfd_write ((PTR) &ahdr, 1, SIZEOF_AR_HDR, abfd) != SIZEOF_AR_HDR |
| 1230 | || (bfd_write ((PTR) XCOFFARFMAG, 1, SXCOFFARFMAG, abfd) |
| 1231 | != SXCOFFARFMAG)) |
| 1232 | return false; |
| 1233 | |
| 1234 | sprintf (decbuf, "%-12ld", (long) count); |
| 1235 | if (bfd_write ((PTR) decbuf, 1, 12, abfd) != 12) |
| 1236 | return false; |
| 1237 | for (i = 0; i < count; i++) |
| 1238 | { |
| 1239 | sprintf (decbuf, "%-12ld", (long) offsets[i]); |
| 1240 | if (bfd_write ((PTR) decbuf, 1, 12, abfd) != 12) |
| 1241 | return false; |
| 1242 | } |
| 1243 | for (sub = abfd->archive_head; sub != NULL; sub = sub->next) |
| 1244 | { |
| 1245 | const char *name; |
| 1246 | size_t namlen; |
| 1247 | |
| 1248 | name = normalize_filename (sub); |
| 1249 | namlen = strlen (name); |
| 1250 | if (bfd_write ((PTR) name, 1, namlen + 1, abfd) != namlen + 1) |
| 1251 | return false; |
| 1252 | } |
| 1253 | if ((size & 1) != 0) |
| 1254 | { |
| 1255 | bfd_byte b; |
| 1256 | |
| 1257 | b = '\0'; |
| 1258 | if (bfd_write ((PTR) &b, 1, 1, abfd) != 1) |
| 1259 | return false; |
| 1260 | } |
| 1261 | |
| 1262 | /* Write out the armap, if appropriate. */ |
| 1263 | |
| 1264 | if (! makemap || ! hasobjects) |
| 1265 | sprintf (fhdr.symoff, "%d", 0); |
| 1266 | else |
| 1267 | { |
| 1268 | BFD_ASSERT (nextoff == bfd_tell (abfd)); |
| 1269 | sprintf (fhdr.symoff, "%ld", (long) nextoff); |
| 1270 | bfd_ardata (abfd)->tdata = (PTR) &fhdr; |
| 1271 | if (! _bfd_compute_and_write_armap (abfd, 0)) |
| 1272 | return false; |
| 1273 | } |
| 1274 | |
| 1275 | /* Write out the archive file header. */ |
| 1276 | |
| 1277 | /* We need spaces, not null bytes, in the header. */ |
| 1278 | for (p = (char *) &fhdr; p < (char *) &fhdr + SIZEOF_AR_FILE_HDR; p++) |
| 1279 | if (*p == '\0') |
| 1280 | *p = ' '; |
| 1281 | |
| 1282 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0 |
| 1283 | || (bfd_write ((PTR) &fhdr, SIZEOF_AR_FILE_HDR, 1, abfd) != |
| 1284 | SIZEOF_AR_FILE_HDR)) |
| 1285 | return false; |
| 1286 | |
| 1287 | return true; |
| 1288 | } |
| 1289 | \f |
| 1290 | /* We can't use the usual coff_sizeof_headers routine, because AIX |
| 1291 | always uses an a.out header. */ |
| 1292 | |
| 1293 | /*ARGSUSED*/ |
| 1294 | static int |
| 1295 | _bfd_xcoff_sizeof_headers (abfd, reloc) |
| 1296 | bfd *abfd; |
| 1297 | boolean reloc ATTRIBUTE_UNUSED; |
| 1298 | { |
| 1299 | int size; |
| 1300 | |
| 1301 | size = FILHSZ; |
| 1302 | if (xcoff_data (abfd)->full_aouthdr) |
| 1303 | size += AOUTSZ; |
| 1304 | else |
| 1305 | size += SMALL_AOUTSZ; |
| 1306 | size += abfd->section_count * SCNHSZ; |
| 1307 | return size; |
| 1308 | } |
| 1309 | \f |
| 1310 | #define CORE_FILE_P _bfd_dummy_target |
| 1311 | |
| 1312 | #define coff_core_file_failing_command _bfd_nocore_core_file_failing_command |
| 1313 | #define coff_core_file_failing_signal _bfd_nocore_core_file_failing_signal |
| 1314 | #define coff_core_file_matches_executable_p \ |
| 1315 | _bfd_nocore_core_file_matches_executable_p |
| 1316 | |
| 1317 | #ifdef AIX_CORE |
| 1318 | #undef CORE_FILE_P |
| 1319 | #define CORE_FILE_P rs6000coff_core_p |
| 1320 | extern const bfd_target * rs6000coff_core_p (); |
| 1321 | extern boolean rs6000coff_get_section_contents (); |
| 1322 | extern boolean rs6000coff_core_file_matches_executable_p (); |
| 1323 | |
| 1324 | #undef coff_core_file_matches_executable_p |
| 1325 | #define coff_core_file_matches_executable_p \ |
| 1326 | rs6000coff_core_file_matches_executable_p |
| 1327 | |
| 1328 | extern char *rs6000coff_core_file_failing_command PARAMS ((bfd *abfd)); |
| 1329 | #undef coff_core_file_failing_command |
| 1330 | #define coff_core_file_failing_command rs6000coff_core_file_failing_command |
| 1331 | |
| 1332 | extern int rs6000coff_core_file_failing_signal PARAMS ((bfd *abfd)); |
| 1333 | #undef coff_core_file_failing_signal |
| 1334 | #define coff_core_file_failing_signal rs6000coff_core_file_failing_signal |
| 1335 | |
| 1336 | #undef coff_get_section_contents |
| 1337 | #define coff_get_section_contents rs6000coff_get_section_contents |
| 1338 | #endif /* AIX_CORE */ |
| 1339 | |
| 1340 | #ifdef LYNX_CORE |
| 1341 | |
| 1342 | #undef CORE_FILE_P |
| 1343 | #define CORE_FILE_P lynx_core_file_p |
| 1344 | extern const bfd_target *lynx_core_file_p PARAMS ((bfd *abfd)); |
| 1345 | |
| 1346 | extern boolean lynx_core_file_matches_executable_p PARAMS ((bfd *core_bfd, |
| 1347 | bfd *exec_bfd)); |
| 1348 | #undef coff_core_file_matches_executable_p |
| 1349 | #define coff_core_file_matches_executable_p lynx_core_file_matches_executable_p |
| 1350 | |
| 1351 | extern char *lynx_core_file_failing_command PARAMS ((bfd *abfd)); |
| 1352 | #undef coff_core_file_failing_command |
| 1353 | #define coff_core_file_failing_command lynx_core_file_failing_command |
| 1354 | |
| 1355 | extern int lynx_core_file_failing_signal PARAMS ((bfd *abfd)); |
| 1356 | #undef coff_core_file_failing_signal |
| 1357 | #define coff_core_file_failing_signal lynx_core_file_failing_signal |
| 1358 | |
| 1359 | #endif /* LYNX_CORE */ |
| 1360 | |
| 1361 | #define _bfd_xcoff_bfd_get_relocated_section_contents \ |
| 1362 | coff_bfd_get_relocated_section_contents |
| 1363 | #define _bfd_xcoff_bfd_relax_section coff_bfd_relax_section |
| 1364 | #define _bfd_xcoff_bfd_gc_sections coff_bfd_gc_sections |
| 1365 | #define _bfd_xcoff_bfd_link_split_section coff_bfd_link_split_section |
| 1366 | |
| 1367 | /* The transfer vector that leads the outside world to all of the above. */ |
| 1368 | |
| 1369 | const bfd_target |
| 1370 | #ifdef TARGET_SYM |
| 1371 | TARGET_SYM = |
| 1372 | #else |
| 1373 | rs6000coff_vec = |
| 1374 | #endif |
| 1375 | { |
| 1376 | #ifdef TARGET_NAME |
| 1377 | TARGET_NAME, |
| 1378 | #else |
| 1379 | "aixcoff-rs6000", /* name */ |
| 1380 | #endif |
| 1381 | bfd_target_coff_flavour, |
| 1382 | BFD_ENDIAN_BIG, /* data byte order is big */ |
| 1383 | BFD_ENDIAN_BIG, /* header byte order is big */ |
| 1384 | |
| 1385 | (HAS_RELOC | EXEC_P | /* object flags */ |
| 1386 | HAS_LINENO | HAS_DEBUG | DYNAMIC | |
| 1387 | HAS_SYMS | HAS_LOCALS | WP_TEXT), |
| 1388 | |
| 1389 | (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ |
| 1390 | 0, /* leading char */ |
| 1391 | '/', /* ar_pad_char */ |
| 1392 | 15, /* ar_max_namelen??? FIXMEmgo */ |
| 1393 | |
| 1394 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 1395 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 1396 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ |
| 1397 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 1398 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 1399 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ |
| 1400 | |
| 1401 | {_bfd_dummy_target, coff_object_p, /* bfd_check_format */ |
| 1402 | xcoff_archive_p, CORE_FILE_P}, |
| 1403 | {bfd_false, coff_mkobject, /* bfd_set_format */ |
| 1404 | _bfd_generic_mkarchive, bfd_false}, |
| 1405 | {bfd_false, coff_write_object_contents, /* bfd_write_contents */ |
| 1406 | xcoff_write_archive_contents, bfd_false}, |
| 1407 | |
| 1408 | BFD_JUMP_TABLE_GENERIC (coff), |
| 1409 | BFD_JUMP_TABLE_COPY (coff), |
| 1410 | BFD_JUMP_TABLE_CORE (coff), |
| 1411 | BFD_JUMP_TABLE_ARCHIVE (xcoff), |
| 1412 | BFD_JUMP_TABLE_SYMBOLS (coff), |
| 1413 | BFD_JUMP_TABLE_RELOCS (coff), |
| 1414 | BFD_JUMP_TABLE_WRITE (coff), |
| 1415 | BFD_JUMP_TABLE_LINK (_bfd_xcoff), |
| 1416 | BFD_JUMP_TABLE_DYNAMIC (_bfd_xcoff), |
| 1417 | |
| 1418 | NULL, |
| 1419 | |
| 1420 | COFF_SWAP_TABLE |
| 1421 | }; |