| 1 | /* PEF support for BFD. |
| 2 | Copyright (C) 1999-2016 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of BFD, the Binary File Descriptor library. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 19 | MA 02110-1301, USA. */ |
| 20 | |
| 21 | /* PEF (Preferred Executable Format) is the binary file format for late |
| 22 | classic Mac OS versions (before Darwin). It is supported by both m68k |
| 23 | and PowerPc. It is also called CFM (Code Fragment Manager). */ |
| 24 | |
| 25 | #include "sysdep.h" |
| 26 | #include "safe-ctype.h" |
| 27 | #include "pef.h" |
| 28 | #include "pef-traceback.h" |
| 29 | #include "bfd.h" |
| 30 | #include "libbfd.h" |
| 31 | #include "libiberty.h" |
| 32 | |
| 33 | #ifndef BFD_IO_FUNCS |
| 34 | #define BFD_IO_FUNCS 0 |
| 35 | #endif |
| 36 | |
| 37 | #define bfd_pef_close_and_cleanup _bfd_generic_close_and_cleanup |
| 38 | #define bfd_pef_bfd_free_cached_info _bfd_generic_bfd_free_cached_info |
| 39 | #define bfd_pef_new_section_hook _bfd_generic_new_section_hook |
| 40 | #define bfd_pef_bfd_is_local_label_name bfd_generic_is_local_label_name |
| 41 | #define bfd_pef_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) |
| 42 | #define bfd_pef_get_lineno _bfd_nosymbols_get_lineno |
| 43 | #define bfd_pef_find_nearest_line _bfd_nosymbols_find_nearest_line |
| 44 | #define bfd_pef_find_line _bfd_nosymbols_find_line |
| 45 | #define bfd_pef_find_inliner_info _bfd_nosymbols_find_inliner_info |
| 46 | #define bfd_pef_get_symbol_version_string _bfd_nosymbols_get_symbol_version_string |
| 47 | #define bfd_pef_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol |
| 48 | #define bfd_pef_read_minisymbols _bfd_generic_read_minisymbols |
| 49 | #define bfd_pef_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol |
| 50 | #define bfd_pef_set_arch_mach _bfd_generic_set_arch_mach |
| 51 | #define bfd_pef_get_section_contents _bfd_generic_get_section_contents |
| 52 | #define bfd_pef_set_section_contents _bfd_generic_set_section_contents |
| 53 | #define bfd_pef_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents |
| 54 | #define bfd_pef_bfd_relax_section bfd_generic_relax_section |
| 55 | #define bfd_pef_bfd_gc_sections bfd_generic_gc_sections |
| 56 | #define bfd_pef_bfd_lookup_section_flags bfd_generic_lookup_section_flags |
| 57 | #define bfd_pef_bfd_merge_sections bfd_generic_merge_sections |
| 58 | #define bfd_pef_bfd_is_group_section bfd_generic_is_group_section |
| 59 | #define bfd_pef_bfd_discard_group bfd_generic_discard_group |
| 60 | #define bfd_pef_section_already_linked _bfd_generic_section_already_linked |
| 61 | #define bfd_pef_bfd_define_common_symbol bfd_generic_define_common_symbol |
| 62 | #define bfd_pef_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
| 63 | #define bfd_pef_bfd_link_add_symbols _bfd_generic_link_add_symbols |
| 64 | #define bfd_pef_bfd_link_just_syms _bfd_generic_link_just_syms |
| 65 | #define bfd_pef_bfd_copy_link_hash_symbol_type \ |
| 66 | _bfd_generic_copy_link_hash_symbol_type |
| 67 | #define bfd_pef_bfd_final_link _bfd_generic_final_link |
| 68 | #define bfd_pef_bfd_link_split_section _bfd_generic_link_split_section |
| 69 | #define bfd_pef_get_section_contents_in_window _bfd_generic_get_section_contents_in_window |
| 70 | |
| 71 | static int |
| 72 | bfd_pef_parse_traceback_table (bfd *abfd, |
| 73 | asection *section, |
| 74 | unsigned char *buf, |
| 75 | size_t len, |
| 76 | size_t pos, |
| 77 | asymbol *sym, |
| 78 | FILE *file) |
| 79 | { |
| 80 | struct traceback_table table; |
| 81 | size_t offset; |
| 82 | const char *s; |
| 83 | asymbol tmpsymbol; |
| 84 | |
| 85 | if (sym == NULL) |
| 86 | sym = & tmpsymbol; |
| 87 | |
| 88 | sym->name = NULL; |
| 89 | sym->value = 0; |
| 90 | sym->the_bfd = abfd; |
| 91 | sym->section = section; |
| 92 | sym->flags = 0; |
| 93 | sym->udata.i = 0; |
| 94 | |
| 95 | /* memcpy is fine since all fields are unsigned char. */ |
| 96 | if ((pos + 8) > len) |
| 97 | return -1; |
| 98 | memcpy (&table, buf + pos, 8); |
| 99 | |
| 100 | /* Calling code relies on returned symbols having a name and |
| 101 | correct offset. */ |
| 102 | if ((table.lang != TB_C) && (table.lang != TB_CPLUSPLUS)) |
| 103 | return -1; |
| 104 | |
| 105 | if (! (table.flags2 & TB_NAME_PRESENT)) |
| 106 | return -1; |
| 107 | |
| 108 | if (! (table.flags1 & TB_HAS_TBOFF)) |
| 109 | return -1; |
| 110 | |
| 111 | offset = 8; |
| 112 | |
| 113 | if ((table.flags5 & TB_FLOATPARAMS) || (table.fixedparams)) |
| 114 | offset += 4; |
| 115 | |
| 116 | if (table.flags1 & TB_HAS_TBOFF) |
| 117 | { |
| 118 | struct traceback_table_tboff off; |
| 119 | |
| 120 | if ((pos + offset + 4) > len) |
| 121 | return -1; |
| 122 | off.tb_offset = bfd_getb32 (buf + pos + offset); |
| 123 | offset += 4; |
| 124 | |
| 125 | /* Need to subtract 4 because the offset includes the 0x0L |
| 126 | preceding the table. */ |
| 127 | if (file != NULL) |
| 128 | fprintf (file, " [offset = 0x%lx]", off.tb_offset); |
| 129 | |
| 130 | if ((file == NULL) && ((off.tb_offset + 4) > (pos + offset))) |
| 131 | return -1; |
| 132 | |
| 133 | sym->value = pos - off.tb_offset - 4; |
| 134 | } |
| 135 | |
| 136 | if (table.flags2 & TB_INT_HNDL) |
| 137 | offset += 4; |
| 138 | |
| 139 | if (table.flags1 & TB_HAS_CTL) |
| 140 | { |
| 141 | struct traceback_table_anchors anchors; |
| 142 | |
| 143 | if ((pos + offset + 4) > len) |
| 144 | return -1; |
| 145 | anchors.ctl_info = bfd_getb32 (buf + pos + offset); |
| 146 | offset += 4; |
| 147 | |
| 148 | if (anchors.ctl_info > 1024) |
| 149 | return -1; |
| 150 | |
| 151 | offset += anchors.ctl_info * 4; |
| 152 | } |
| 153 | |
| 154 | if (table.flags2 & TB_NAME_PRESENT) |
| 155 | { |
| 156 | struct traceback_table_routine name; |
| 157 | char *namebuf; |
| 158 | |
| 159 | if ((pos + offset + 2) > len) |
| 160 | return -1; |
| 161 | name.name_len = bfd_getb16 (buf + pos + offset); |
| 162 | offset += 2; |
| 163 | |
| 164 | if (name.name_len > 4096) |
| 165 | return -1; |
| 166 | |
| 167 | if ((pos + offset + name.name_len) > len) |
| 168 | return -1; |
| 169 | |
| 170 | namebuf = bfd_alloc (abfd, name.name_len + 1); |
| 171 | if (namebuf == NULL) |
| 172 | return -1; |
| 173 | |
| 174 | memcpy (namebuf, buf + pos + offset, name.name_len); |
| 175 | namebuf[name.name_len] = '\0'; |
| 176 | |
| 177 | /* Strip leading period inserted by compiler. */ |
| 178 | if (namebuf[0] == '.') |
| 179 | memmove (namebuf, namebuf + 1, name.name_len + 1); |
| 180 | |
| 181 | sym->name = namebuf; |
| 182 | |
| 183 | for (s = sym->name; (*s != '\0'); s++) |
| 184 | if (! ISPRINT (*s)) |
| 185 | return -1; |
| 186 | |
| 187 | offset += name.name_len; |
| 188 | } |
| 189 | |
| 190 | if (table.flags2 & TB_USES_ALLOCA) |
| 191 | offset += 4; |
| 192 | |
| 193 | if (table.flags4 & TB_HAS_VEC_INFO) |
| 194 | offset += 4; |
| 195 | |
| 196 | if (file != NULL) |
| 197 | fprintf (file, " [length = 0x%lx]", (unsigned long) offset); |
| 198 | |
| 199 | return offset; |
| 200 | } |
| 201 | |
| 202 | static void |
| 203 | bfd_pef_print_symbol (bfd *abfd, |
| 204 | void * afile, |
| 205 | asymbol *symbol, |
| 206 | bfd_print_symbol_type how) |
| 207 | { |
| 208 | FILE *file = (FILE *) afile; |
| 209 | |
| 210 | switch (how) |
| 211 | { |
| 212 | case bfd_print_symbol_name: |
| 213 | fprintf (file, "%s", symbol->name); |
| 214 | break; |
| 215 | default: |
| 216 | bfd_print_symbol_vandf (abfd, (void *) file, symbol); |
| 217 | fprintf (file, " %-5s %s", symbol->section->name, symbol->name); |
| 218 | if (CONST_STRNEQ (symbol->name, "__traceback_")) |
| 219 | { |
| 220 | unsigned char *buf = xmalloc (symbol->udata.i); |
| 221 | size_t offset = symbol->value + 4; |
| 222 | size_t len = symbol->udata.i; |
| 223 | int ret; |
| 224 | |
| 225 | bfd_get_section_contents (abfd, symbol->section, buf, offset, len); |
| 226 | ret = bfd_pef_parse_traceback_table (abfd, symbol->section, buf, |
| 227 | len, 0, NULL, file); |
| 228 | if (ret < 0) |
| 229 | fprintf (file, " [ERROR]"); |
| 230 | free (buf); |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | static void |
| 236 | bfd_pef_convert_architecture (unsigned long architecture, |
| 237 | enum bfd_architecture *type, |
| 238 | unsigned long *subtype) |
| 239 | { |
| 240 | const unsigned long ARCH_POWERPC = 0x70777063; /* 'pwpc'. */ |
| 241 | const unsigned long ARCH_M68K = 0x6d36386b; /* 'm68k'. */ |
| 242 | |
| 243 | *subtype = bfd_arch_unknown; |
| 244 | *type = bfd_arch_unknown; |
| 245 | |
| 246 | if (architecture == ARCH_POWERPC) |
| 247 | *type = bfd_arch_powerpc; |
| 248 | else if (architecture == ARCH_M68K) |
| 249 | *type = bfd_arch_m68k; |
| 250 | } |
| 251 | |
| 252 | static bfd_boolean |
| 253 | bfd_pef_mkobject (bfd *abfd ATTRIBUTE_UNUSED) |
| 254 | { |
| 255 | return TRUE; |
| 256 | } |
| 257 | |
| 258 | static const char *bfd_pef_section_name (bfd_pef_section *section) |
| 259 | { |
| 260 | switch (section->section_kind) |
| 261 | { |
| 262 | case BFD_PEF_SECTION_CODE: return "code"; |
| 263 | case BFD_PEF_SECTION_UNPACKED_DATA: return "unpacked-data"; |
| 264 | case BFD_PEF_SECTION_PACKED_DATA: return "packed-data"; |
| 265 | case BFD_PEF_SECTION_CONSTANT: return "constant"; |
| 266 | case BFD_PEF_SECTION_LOADER: return "loader"; |
| 267 | case BFD_PEF_SECTION_DEBUG: return "debug"; |
| 268 | case BFD_PEF_SECTION_EXEC_DATA: return "exec-data"; |
| 269 | case BFD_PEF_SECTION_EXCEPTION: return "exception"; |
| 270 | case BFD_PEF_SECTION_TRACEBACK: return "traceback"; |
| 271 | default: return "unknown"; |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | static unsigned long bfd_pef_section_flags (bfd_pef_section *section) |
| 276 | { |
| 277 | switch (section->section_kind) |
| 278 | { |
| 279 | case BFD_PEF_SECTION_CODE: |
| 280 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC | SEC_CODE; |
| 281 | case BFD_PEF_SECTION_UNPACKED_DATA: |
| 282 | case BFD_PEF_SECTION_PACKED_DATA: |
| 283 | case BFD_PEF_SECTION_CONSTANT: |
| 284 | case BFD_PEF_SECTION_LOADER: |
| 285 | case BFD_PEF_SECTION_DEBUG: |
| 286 | case BFD_PEF_SECTION_EXEC_DATA: |
| 287 | case BFD_PEF_SECTION_EXCEPTION: |
| 288 | case BFD_PEF_SECTION_TRACEBACK: |
| 289 | default: |
| 290 | return SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC; |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | static asection * |
| 295 | bfd_pef_make_bfd_section (bfd *abfd, bfd_pef_section *section) |
| 296 | { |
| 297 | asection *bfdsec; |
| 298 | const char *name = bfd_pef_section_name (section); |
| 299 | |
| 300 | bfdsec = bfd_make_section_anyway (abfd, name); |
| 301 | if (bfdsec == NULL) |
| 302 | return NULL; |
| 303 | |
| 304 | bfdsec->vma = section->default_address + section->container_offset; |
| 305 | bfdsec->lma = section->default_address + section->container_offset; |
| 306 | bfdsec->size = section->container_length; |
| 307 | bfdsec->filepos = section->container_offset; |
| 308 | bfdsec->alignment_power = section->alignment; |
| 309 | |
| 310 | bfdsec->flags = bfd_pef_section_flags (section); |
| 311 | |
| 312 | return bfdsec; |
| 313 | } |
| 314 | |
| 315 | int |
| 316 | bfd_pef_parse_loader_header (bfd *abfd ATTRIBUTE_UNUSED, |
| 317 | unsigned char *buf, |
| 318 | size_t len, |
| 319 | bfd_pef_loader_header *header) |
| 320 | { |
| 321 | BFD_ASSERT (len == 56); |
| 322 | |
| 323 | header->main_section = bfd_getb32 (buf); |
| 324 | header->main_offset = bfd_getb32 (buf + 4); |
| 325 | header->init_section = bfd_getb32 (buf + 8); |
| 326 | header->init_offset = bfd_getb32 (buf + 12); |
| 327 | header->term_section = bfd_getb32 (buf + 16); |
| 328 | header->term_offset = bfd_getb32 (buf + 20); |
| 329 | header->imported_library_count = bfd_getb32 (buf + 24); |
| 330 | header->total_imported_symbol_count = bfd_getb32 (buf + 28); |
| 331 | header->reloc_section_count = bfd_getb32 (buf + 32); |
| 332 | header->reloc_instr_offset = bfd_getb32 (buf + 36); |
| 333 | header->loader_strings_offset = bfd_getb32 (buf + 40); |
| 334 | header->export_hash_offset = bfd_getb32 (buf + 44); |
| 335 | header->export_hash_table_power = bfd_getb32 (buf + 48); |
| 336 | header->exported_symbol_count = bfd_getb32 (buf + 52); |
| 337 | |
| 338 | return 0; |
| 339 | } |
| 340 | |
| 341 | int |
| 342 | bfd_pef_parse_imported_library (bfd *abfd ATTRIBUTE_UNUSED, |
| 343 | unsigned char *buf, |
| 344 | size_t len, |
| 345 | bfd_pef_imported_library *header) |
| 346 | { |
| 347 | BFD_ASSERT (len == 24); |
| 348 | |
| 349 | header->name_offset = bfd_getb32 (buf); |
| 350 | header->old_implementation_version = bfd_getb32 (buf + 4); |
| 351 | header->current_version = bfd_getb32 (buf + 8); |
| 352 | header->imported_symbol_count = bfd_getb32 (buf + 12); |
| 353 | header->first_imported_symbol = bfd_getb32 (buf + 16); |
| 354 | header->options = buf[20]; |
| 355 | header->reserved_a = buf[21]; |
| 356 | header->reserved_b = bfd_getb16 (buf + 22); |
| 357 | |
| 358 | return 0; |
| 359 | } |
| 360 | |
| 361 | int |
| 362 | bfd_pef_parse_imported_symbol (bfd *abfd ATTRIBUTE_UNUSED, |
| 363 | unsigned char *buf, |
| 364 | size_t len, |
| 365 | bfd_pef_imported_symbol *symbol) |
| 366 | { |
| 367 | unsigned long value; |
| 368 | |
| 369 | BFD_ASSERT (len == 4); |
| 370 | |
| 371 | value = bfd_getb32 (buf); |
| 372 | symbol->symbol_class = value >> 24; |
| 373 | symbol->name = value & 0x00ffffff; |
| 374 | |
| 375 | return 0; |
| 376 | } |
| 377 | |
| 378 | int |
| 379 | bfd_pef_scan_section (bfd *abfd, bfd_pef_section *section) |
| 380 | { |
| 381 | unsigned char buf[28]; |
| 382 | |
| 383 | bfd_seek (abfd, section->header_offset, SEEK_SET); |
| 384 | if (bfd_bread ((void *) buf, 28, abfd) != 28) |
| 385 | return -1; |
| 386 | |
| 387 | section->name_offset = bfd_h_get_32 (abfd, buf); |
| 388 | section->default_address = bfd_h_get_32 (abfd, buf + 4); |
| 389 | section->total_length = bfd_h_get_32 (abfd, buf + 8); |
| 390 | section->unpacked_length = bfd_h_get_32 (abfd, buf + 12); |
| 391 | section->container_length = bfd_h_get_32 (abfd, buf + 16); |
| 392 | section->container_offset = bfd_h_get_32 (abfd, buf + 20); |
| 393 | section->section_kind = buf[24]; |
| 394 | section->share_kind = buf[25]; |
| 395 | section->alignment = buf[26]; |
| 396 | section->reserved = buf[27]; |
| 397 | |
| 398 | section->bfd_section = bfd_pef_make_bfd_section (abfd, section); |
| 399 | if (section->bfd_section == NULL) |
| 400 | return -1; |
| 401 | |
| 402 | return 0; |
| 403 | } |
| 404 | |
| 405 | void |
| 406 | bfd_pef_print_loader_header (bfd *abfd ATTRIBUTE_UNUSED, |
| 407 | bfd_pef_loader_header *header, |
| 408 | FILE *file) |
| 409 | { |
| 410 | fprintf (file, "main_section: %ld\n", header->main_section); |
| 411 | fprintf (file, "main_offset: %lu\n", header->main_offset); |
| 412 | fprintf (file, "init_section: %ld\n", header->init_section); |
| 413 | fprintf (file, "init_offset: %lu\n", header->init_offset); |
| 414 | fprintf (file, "term_section: %ld\n", header->term_section); |
| 415 | fprintf (file, "term_offset: %lu\n", header->term_offset); |
| 416 | fprintf (file, "imported_library_count: %lu\n", |
| 417 | header->imported_library_count); |
| 418 | fprintf (file, "total_imported_symbol_count: %lu\n", |
| 419 | header->total_imported_symbol_count); |
| 420 | fprintf (file, "reloc_section_count: %lu\n", header->reloc_section_count); |
| 421 | fprintf (file, "reloc_instr_offset: %lu\n", header->reloc_instr_offset); |
| 422 | fprintf (file, "loader_strings_offset: %lu\n", |
| 423 | header->loader_strings_offset); |
| 424 | fprintf (file, "export_hash_offset: %lu\n", header->export_hash_offset); |
| 425 | fprintf (file, "export_hash_table_power: %lu\n", |
| 426 | header->export_hash_table_power); |
| 427 | fprintf (file, "exported_symbol_count: %lu\n", |
| 428 | header->exported_symbol_count); |
| 429 | } |
| 430 | |
| 431 | int |
| 432 | bfd_pef_print_loader_section (bfd *abfd, FILE *file) |
| 433 | { |
| 434 | bfd_pef_loader_header header; |
| 435 | asection *loadersec = NULL; |
| 436 | unsigned char *loaderbuf = NULL; |
| 437 | size_t loaderlen = 0; |
| 438 | |
| 439 | loadersec = bfd_get_section_by_name (abfd, "loader"); |
| 440 | if (loadersec == NULL) |
| 441 | return -1; |
| 442 | |
| 443 | loaderlen = loadersec->size; |
| 444 | loaderbuf = bfd_malloc (loaderlen); |
| 445 | |
| 446 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0 |
| 447 | || bfd_bread ((void *) loaderbuf, loaderlen, abfd) != loaderlen |
| 448 | || loaderlen < 56 |
| 449 | || bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header) < 0) |
| 450 | { |
| 451 | free (loaderbuf); |
| 452 | return -1; |
| 453 | } |
| 454 | |
| 455 | bfd_pef_print_loader_header (abfd, &header, file); |
| 456 | return 0; |
| 457 | } |
| 458 | |
| 459 | int |
| 460 | bfd_pef_scan_start_address (bfd *abfd) |
| 461 | { |
| 462 | bfd_pef_loader_header header; |
| 463 | asection *section; |
| 464 | |
| 465 | asection *loadersec = NULL; |
| 466 | unsigned char *loaderbuf = NULL; |
| 467 | size_t loaderlen = 0; |
| 468 | int ret; |
| 469 | |
| 470 | loadersec = bfd_get_section_by_name (abfd, "loader"); |
| 471 | if (loadersec == NULL) |
| 472 | goto end; |
| 473 | |
| 474 | loaderlen = loadersec->size; |
| 475 | loaderbuf = bfd_malloc (loaderlen); |
| 476 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) |
| 477 | goto error; |
| 478 | if (bfd_bread ((void *) loaderbuf, loaderlen, abfd) != loaderlen) |
| 479 | goto error; |
| 480 | |
| 481 | if (loaderlen < 56) |
| 482 | goto error; |
| 483 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); |
| 484 | if (ret < 0) |
| 485 | goto error; |
| 486 | |
| 487 | if (header.main_section < 0) |
| 488 | goto end; |
| 489 | |
| 490 | for (section = abfd->sections; section != NULL; section = section->next) |
| 491 | if ((long) (section->index + 1) == header.main_section) |
| 492 | break; |
| 493 | |
| 494 | if (section == NULL) |
| 495 | goto error; |
| 496 | |
| 497 | abfd->start_address = section->vma + header.main_offset; |
| 498 | |
| 499 | end: |
| 500 | if (loaderbuf != NULL) |
| 501 | free (loaderbuf); |
| 502 | return 0; |
| 503 | |
| 504 | error: |
| 505 | if (loaderbuf != NULL) |
| 506 | free (loaderbuf); |
| 507 | return -1; |
| 508 | } |
| 509 | |
| 510 | int |
| 511 | bfd_pef_scan (bfd *abfd, |
| 512 | bfd_pef_header *header, |
| 513 | bfd_pef_data_struct *mdata) |
| 514 | { |
| 515 | unsigned int i; |
| 516 | enum bfd_architecture cputype; |
| 517 | unsigned long cpusubtype; |
| 518 | |
| 519 | mdata->header = *header; |
| 520 | |
| 521 | bfd_pef_convert_architecture (header->architecture, &cputype, &cpusubtype); |
| 522 | if (cputype == bfd_arch_unknown) |
| 523 | { |
| 524 | (*_bfd_error_handler) (_("bfd_pef_scan: unknown architecture 0x%lx"), |
| 525 | header->architecture); |
| 526 | return -1; |
| 527 | } |
| 528 | bfd_set_arch_mach (abfd, cputype, cpusubtype); |
| 529 | |
| 530 | mdata->header = *header; |
| 531 | |
| 532 | abfd->flags = (abfd->xvec->object_flags |
| 533 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); |
| 534 | |
| 535 | if (header->section_count != 0) |
| 536 | { |
| 537 | mdata->sections = bfd_alloc (abfd, header->section_count * sizeof (bfd_pef_section)); |
| 538 | |
| 539 | if (mdata->sections == NULL) |
| 540 | return -1; |
| 541 | |
| 542 | for (i = 0; i < header->section_count; i++) |
| 543 | { |
| 544 | bfd_pef_section *cur = &mdata->sections[i]; |
| 545 | cur->header_offset = 40 + (i * 28); |
| 546 | if (bfd_pef_scan_section (abfd, cur) < 0) |
| 547 | return -1; |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | if (bfd_pef_scan_start_address (abfd) < 0) |
| 552 | return -1; |
| 553 | |
| 554 | abfd->tdata.pef_data = mdata; |
| 555 | |
| 556 | return 0; |
| 557 | } |
| 558 | |
| 559 | static int |
| 560 | bfd_pef_read_header (bfd *abfd, bfd_pef_header *header) |
| 561 | { |
| 562 | unsigned char buf[40]; |
| 563 | |
| 564 | bfd_seek (abfd, 0, SEEK_SET); |
| 565 | |
| 566 | if (bfd_bread ((void *) buf, 40, abfd) != 40) |
| 567 | return -1; |
| 568 | |
| 569 | header->tag1 = bfd_getb32 (buf); |
| 570 | header->tag2 = bfd_getb32 (buf + 4); |
| 571 | header->architecture = bfd_getb32 (buf + 8); |
| 572 | header->format_version = bfd_getb32 (buf + 12); |
| 573 | header->timestamp = bfd_getb32 (buf + 16); |
| 574 | header->old_definition_version = bfd_getb32 (buf + 20); |
| 575 | header->old_implementation_version = bfd_getb32 (buf + 24); |
| 576 | header->current_version = bfd_getb32 (buf + 28); |
| 577 | header->section_count = bfd_getb32 (buf + 32) + 1; |
| 578 | header->instantiated_section_count = bfd_getb32 (buf + 34); |
| 579 | header->reserved = bfd_getb32 (buf + 36); |
| 580 | |
| 581 | return 0; |
| 582 | } |
| 583 | |
| 584 | static const bfd_target * |
| 585 | bfd_pef_object_p (bfd *abfd) |
| 586 | { |
| 587 | bfd_pef_header header; |
| 588 | bfd_pef_data_struct *mdata; |
| 589 | |
| 590 | if (bfd_pef_read_header (abfd, &header) != 0) |
| 591 | goto wrong; |
| 592 | |
| 593 | if (header.tag1 != BFD_PEF_TAG1 || header.tag2 != BFD_PEF_TAG2) |
| 594 | goto wrong; |
| 595 | |
| 596 | mdata = (bfd_pef_data_struct *) bfd_zalloc (abfd, sizeof (*mdata)); |
| 597 | if (mdata == NULL) |
| 598 | goto fail; |
| 599 | |
| 600 | if (bfd_pef_scan (abfd, &header, mdata)) |
| 601 | goto wrong; |
| 602 | |
| 603 | return abfd->xvec; |
| 604 | |
| 605 | wrong: |
| 606 | bfd_set_error (bfd_error_wrong_format); |
| 607 | |
| 608 | fail: |
| 609 | return NULL; |
| 610 | } |
| 611 | |
| 612 | static int |
| 613 | bfd_pef_parse_traceback_tables (bfd *abfd, |
| 614 | asection *sec, |
| 615 | unsigned char *buf, |
| 616 | size_t len, |
| 617 | long *nsym, |
| 618 | asymbol **csym) |
| 619 | { |
| 620 | char *name; |
| 621 | |
| 622 | asymbol function; |
| 623 | asymbol traceback; |
| 624 | |
| 625 | const char *const tbprefix = "__traceback_"; |
| 626 | size_t tbnamelen; |
| 627 | |
| 628 | size_t pos = 0; |
| 629 | unsigned long count = 0; |
| 630 | int ret; |
| 631 | |
| 632 | for (;;) |
| 633 | { |
| 634 | /* We're reading symbols two at a time. */ |
| 635 | if (csym && ((csym[count] == NULL) || (csym[count + 1] == NULL))) |
| 636 | break; |
| 637 | |
| 638 | pos += 3; |
| 639 | pos -= (pos % 4); |
| 640 | |
| 641 | while ((pos + 4) <= len) |
| 642 | { |
| 643 | if (bfd_getb32 (buf + pos) == 0) |
| 644 | break; |
| 645 | pos += 4; |
| 646 | } |
| 647 | |
| 648 | if ((pos + 4) > len) |
| 649 | break; |
| 650 | |
| 651 | ret = bfd_pef_parse_traceback_table (abfd, sec, buf, len, pos + 4, |
| 652 | &function, 0); |
| 653 | if (ret < 0) |
| 654 | { |
| 655 | /* Skip over 0x0L to advance to next possible traceback table. */ |
| 656 | pos += 4; |
| 657 | continue; |
| 658 | } |
| 659 | |
| 660 | BFD_ASSERT (function.name != NULL); |
| 661 | |
| 662 | /* Don't bother to compute the name if we are just |
| 663 | counting symbols. */ |
| 664 | if (csym) |
| 665 | { |
| 666 | tbnamelen = strlen (tbprefix) + strlen (function.name); |
| 667 | name = bfd_alloc (abfd, tbnamelen + 1); |
| 668 | if (name == NULL) |
| 669 | { |
| 670 | bfd_release (abfd, (void *) function.name); |
| 671 | function.name = NULL; |
| 672 | break; |
| 673 | } |
| 674 | snprintf (name, tbnamelen + 1, "%s%s", tbprefix, function.name); |
| 675 | traceback.name = name; |
| 676 | traceback.value = pos; |
| 677 | traceback.the_bfd = abfd; |
| 678 | traceback.section = sec; |
| 679 | traceback.flags = 0; |
| 680 | traceback.udata.i = ret; |
| 681 | |
| 682 | *(csym[count]) = function; |
| 683 | *(csym[count + 1]) = traceback; |
| 684 | } |
| 685 | |
| 686 | pos += ret; |
| 687 | count += 2; |
| 688 | } |
| 689 | |
| 690 | *nsym = count; |
| 691 | return 0; |
| 692 | } |
| 693 | |
| 694 | static int |
| 695 | bfd_pef_parse_function_stub (bfd *abfd ATTRIBUTE_UNUSED, |
| 696 | unsigned char *buf, |
| 697 | size_t len, |
| 698 | unsigned long *offset) |
| 699 | { |
| 700 | BFD_ASSERT (len == 24); |
| 701 | |
| 702 | if ((bfd_getb32 (buf) & 0xffff0000) != 0x81820000) |
| 703 | return -1; |
| 704 | if (bfd_getb32 (buf + 4) != 0x90410014) |
| 705 | return -1; |
| 706 | if (bfd_getb32 (buf + 8) != 0x800c0000) |
| 707 | return -1; |
| 708 | if (bfd_getb32 (buf + 12) != 0x804c0004) |
| 709 | return -1; |
| 710 | if (bfd_getb32 (buf + 16) != 0x7c0903a6) |
| 711 | return -1; |
| 712 | if (bfd_getb32 (buf + 20) != 0x4e800420) |
| 713 | return -1; |
| 714 | |
| 715 | if (offset != NULL) |
| 716 | *offset = (bfd_getb32 (buf) & 0x0000ffff) / 4; |
| 717 | |
| 718 | return 0; |
| 719 | } |
| 720 | |
| 721 | static int |
| 722 | bfd_pef_parse_function_stubs (bfd *abfd, |
| 723 | asection *codesec, |
| 724 | unsigned char *codebuf, |
| 725 | size_t codelen, |
| 726 | unsigned char *loaderbuf, |
| 727 | size_t loaderlen, |
| 728 | unsigned long *nsym, |
| 729 | asymbol **csym) |
| 730 | { |
| 731 | const char *const sprefix = "__stub_"; |
| 732 | size_t codepos = 0; |
| 733 | unsigned long count = 0; |
| 734 | bfd_pef_loader_header header; |
| 735 | bfd_pef_imported_library *libraries = NULL; |
| 736 | bfd_pef_imported_symbol *imports = NULL; |
| 737 | unsigned long i; |
| 738 | int ret; |
| 739 | |
| 740 | if (loaderlen < 56) |
| 741 | goto error; |
| 742 | |
| 743 | ret = bfd_pef_parse_loader_header (abfd, loaderbuf, 56, &header); |
| 744 | if (ret < 0) |
| 745 | goto error; |
| 746 | |
| 747 | libraries = bfd_malloc |
| 748 | (header.imported_library_count * sizeof (bfd_pef_imported_library)); |
| 749 | imports = bfd_malloc |
| 750 | (header.total_imported_symbol_count * sizeof (bfd_pef_imported_symbol)); |
| 751 | |
| 752 | if (loaderlen < (56 + (header.imported_library_count * 24))) |
| 753 | goto error; |
| 754 | for (i = 0; i < header.imported_library_count; i++) |
| 755 | { |
| 756 | ret = bfd_pef_parse_imported_library |
| 757 | (abfd, loaderbuf + 56 + (i * 24), 24, &libraries[i]); |
| 758 | if (ret < 0) |
| 759 | goto error; |
| 760 | } |
| 761 | |
| 762 | if (loaderlen < (56 + (header.imported_library_count * 24) |
| 763 | + (header.total_imported_symbol_count * 4))) |
| 764 | goto error; |
| 765 | for (i = 0; i < header.total_imported_symbol_count; i++) |
| 766 | { |
| 767 | ret = (bfd_pef_parse_imported_symbol |
| 768 | (abfd, |
| 769 | loaderbuf + 56 + (header.imported_library_count * 24) + (i * 4), |
| 770 | 4, &imports[i])); |
| 771 | if (ret < 0) |
| 772 | goto error; |
| 773 | } |
| 774 | |
| 775 | codepos = 0; |
| 776 | |
| 777 | for (;;) |
| 778 | { |
| 779 | asymbol sym; |
| 780 | const char *symname; |
| 781 | char *name; |
| 782 | unsigned long sym_index; |
| 783 | |
| 784 | if (csym && (csym[count] == NULL)) |
| 785 | break; |
| 786 | |
| 787 | codepos += 3; |
| 788 | codepos -= (codepos % 4); |
| 789 | |
| 790 | while ((codepos + 4) <= codelen) |
| 791 | { |
| 792 | if ((bfd_getb32 (codebuf + codepos) & 0xffff0000) == 0x81820000) |
| 793 | break; |
| 794 | codepos += 4; |
| 795 | } |
| 796 | |
| 797 | if ((codepos + 4) > codelen) |
| 798 | break; |
| 799 | |
| 800 | ret = bfd_pef_parse_function_stub (abfd, codebuf + codepos, 24, &sym_index); |
| 801 | if (ret < 0) |
| 802 | { |
| 803 | codepos += 24; |
| 804 | continue; |
| 805 | } |
| 806 | |
| 807 | if (sym_index >= header.total_imported_symbol_count) |
| 808 | { |
| 809 | codepos += 24; |
| 810 | continue; |
| 811 | } |
| 812 | |
| 813 | { |
| 814 | size_t max, namelen; |
| 815 | const char *s; |
| 816 | |
| 817 | if (loaderlen < (header.loader_strings_offset + imports[sym_index].name)) |
| 818 | goto error; |
| 819 | |
| 820 | max = loaderlen - (header.loader_strings_offset + imports[sym_index].name); |
| 821 | symname = (char *) loaderbuf; |
| 822 | symname += header.loader_strings_offset + imports[sym_index].name; |
| 823 | namelen = 0; |
| 824 | for (s = symname; s < (symname + max); s++) |
| 825 | { |
| 826 | if (*s == '\0') |
| 827 | break; |
| 828 | if (! ISPRINT (*s)) |
| 829 | goto error; |
| 830 | namelen++; |
| 831 | } |
| 832 | if (*s != '\0') |
| 833 | goto error; |
| 834 | |
| 835 | name = bfd_alloc (abfd, strlen (sprefix) + namelen + 1); |
| 836 | if (name == NULL) |
| 837 | break; |
| 838 | |
| 839 | snprintf (name, strlen (sprefix) + namelen + 1, "%s%s", |
| 840 | sprefix, symname); |
| 841 | sym.name = name; |
| 842 | } |
| 843 | |
| 844 | sym.value = codepos; |
| 845 | sym.the_bfd = abfd; |
| 846 | sym.section = codesec; |
| 847 | sym.flags = 0; |
| 848 | sym.udata.i = 0; |
| 849 | |
| 850 | codepos += 24; |
| 851 | |
| 852 | if (csym != NULL) |
| 853 | *(csym[count]) = sym; |
| 854 | |
| 855 | count++; |
| 856 | } |
| 857 | |
| 858 | goto end; |
| 859 | |
| 860 | end: |
| 861 | if (libraries != NULL) |
| 862 | free (libraries); |
| 863 | if (imports != NULL) |
| 864 | free (imports); |
| 865 | *nsym = count; |
| 866 | return 0; |
| 867 | |
| 868 | error: |
| 869 | if (libraries != NULL) |
| 870 | free (libraries); |
| 871 | if (imports != NULL) |
| 872 | free (imports); |
| 873 | *nsym = count; |
| 874 | return -1; |
| 875 | } |
| 876 | |
| 877 | static long |
| 878 | bfd_pef_parse_symbols (bfd *abfd, asymbol **csym) |
| 879 | { |
| 880 | unsigned long count = 0; |
| 881 | |
| 882 | asection *codesec = NULL; |
| 883 | unsigned char *codebuf = NULL; |
| 884 | size_t codelen = 0; |
| 885 | |
| 886 | asection *loadersec = NULL; |
| 887 | unsigned char *loaderbuf = NULL; |
| 888 | size_t loaderlen = 0; |
| 889 | |
| 890 | codesec = bfd_get_section_by_name (abfd, "code"); |
| 891 | if (codesec != NULL) |
| 892 | { |
| 893 | codelen = codesec->size; |
| 894 | codebuf = bfd_malloc (codelen); |
| 895 | if (bfd_seek (abfd, codesec->filepos, SEEK_SET) < 0) |
| 896 | goto end; |
| 897 | if (bfd_bread ((void *) codebuf, codelen, abfd) != codelen) |
| 898 | goto end; |
| 899 | } |
| 900 | |
| 901 | loadersec = bfd_get_section_by_name (abfd, "loader"); |
| 902 | if (loadersec != NULL) |
| 903 | { |
| 904 | loaderlen = loadersec->size; |
| 905 | loaderbuf = bfd_malloc (loaderlen); |
| 906 | if (bfd_seek (abfd, loadersec->filepos, SEEK_SET) < 0) |
| 907 | goto end; |
| 908 | if (bfd_bread ((void *) loaderbuf, loaderlen, abfd) != loaderlen) |
| 909 | goto end; |
| 910 | } |
| 911 | |
| 912 | count = 0; |
| 913 | if (codesec != NULL) |
| 914 | { |
| 915 | long ncount = 0; |
| 916 | bfd_pef_parse_traceback_tables (abfd, codesec, codebuf, codelen, |
| 917 | &ncount, csym); |
| 918 | count += ncount; |
| 919 | } |
| 920 | |
| 921 | if ((codesec != NULL) && (loadersec != NULL)) |
| 922 | { |
| 923 | unsigned long ncount = 0; |
| 924 | bfd_pef_parse_function_stubs |
| 925 | (abfd, codesec, codebuf, codelen, loaderbuf, loaderlen, &ncount, |
| 926 | (csym != NULL) ? (csym + count) : NULL); |
| 927 | count += ncount; |
| 928 | } |
| 929 | |
| 930 | if (csym != NULL) |
| 931 | csym[count] = NULL; |
| 932 | |
| 933 | end: |
| 934 | if (codebuf != NULL) |
| 935 | free (codebuf); |
| 936 | |
| 937 | if (loaderbuf != NULL) |
| 938 | free (loaderbuf); |
| 939 | |
| 940 | return count; |
| 941 | } |
| 942 | |
| 943 | static long |
| 944 | bfd_pef_count_symbols (bfd *abfd) |
| 945 | { |
| 946 | return bfd_pef_parse_symbols (abfd, NULL); |
| 947 | } |
| 948 | |
| 949 | static long |
| 950 | bfd_pef_get_symtab_upper_bound (bfd *abfd) |
| 951 | { |
| 952 | long nsyms = bfd_pef_count_symbols (abfd); |
| 953 | |
| 954 | if (nsyms < 0) |
| 955 | return nsyms; |
| 956 | return ((nsyms + 1) * sizeof (asymbol *)); |
| 957 | } |
| 958 | |
| 959 | static long |
| 960 | bfd_pef_canonicalize_symtab (bfd *abfd, asymbol **alocation) |
| 961 | { |
| 962 | long i; |
| 963 | asymbol *syms; |
| 964 | long ret; |
| 965 | long nsyms = bfd_pef_count_symbols (abfd); |
| 966 | |
| 967 | if (nsyms < 0) |
| 968 | return nsyms; |
| 969 | |
| 970 | syms = bfd_alloc (abfd, nsyms * sizeof (asymbol)); |
| 971 | if (syms == NULL) |
| 972 | return -1; |
| 973 | |
| 974 | for (i = 0; i < nsyms; i++) |
| 975 | alocation[i] = &syms[i]; |
| 976 | |
| 977 | alocation[nsyms] = NULL; |
| 978 | |
| 979 | ret = bfd_pef_parse_symbols (abfd, alocation); |
| 980 | if (ret != nsyms) |
| 981 | return 0; |
| 982 | |
| 983 | return ret; |
| 984 | } |
| 985 | |
| 986 | #define bfd_pef_make_empty_symbol _bfd_generic_make_empty_symbol |
| 987 | |
| 988 | static void |
| 989 | bfd_pef_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, |
| 990 | asymbol *symbol, |
| 991 | symbol_info *ret) |
| 992 | { |
| 993 | bfd_symbol_info (symbol, ret); |
| 994 | } |
| 995 | |
| 996 | static int |
| 997 | bfd_pef_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, |
| 998 | struct bfd_link_info *info ATTRIBUTE_UNUSED) |
| 999 | { |
| 1000 | return 0; |
| 1001 | } |
| 1002 | |
| 1003 | const bfd_target pef_vec = |
| 1004 | { |
| 1005 | "pef", /* Name. */ |
| 1006 | bfd_target_pef_flavour, /* Flavour. */ |
| 1007 | BFD_ENDIAN_BIG, /* Byteorder. */ |
| 1008 | BFD_ENDIAN_BIG, /* Header_byteorder. */ |
| 1009 | (HAS_RELOC | EXEC_P | /* Object flags. */ |
| 1010 | HAS_LINENO | HAS_DEBUG | |
| 1011 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), |
| 1012 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA |
| 1013 | | SEC_ROM | SEC_HAS_CONTENTS), /* Section_flags. */ |
| 1014 | 0, /* Symbol_leading_char. */ |
| 1015 | ' ', /* AR_pad_char. */ |
| 1016 | 16, /* AR_max_namelen. */ |
| 1017 | 0, /* match priority. */ |
| 1018 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 1019 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 1020 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
| 1021 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 1022 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 1023 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ |
| 1024 | { /* bfd_check_format. */ |
| 1025 | _bfd_dummy_target, |
| 1026 | bfd_pef_object_p, /* bfd_check_format. */ |
| 1027 | _bfd_dummy_target, |
| 1028 | _bfd_dummy_target, |
| 1029 | }, |
| 1030 | { /* bfd_set_format. */ |
| 1031 | bfd_false, |
| 1032 | bfd_pef_mkobject, |
| 1033 | bfd_false, |
| 1034 | bfd_false, |
| 1035 | }, |
| 1036 | { /* bfd_write_contents. */ |
| 1037 | bfd_false, |
| 1038 | bfd_true, |
| 1039 | bfd_false, |
| 1040 | bfd_false, |
| 1041 | }, |
| 1042 | |
| 1043 | BFD_JUMP_TABLE_GENERIC (bfd_pef), |
| 1044 | BFD_JUMP_TABLE_COPY (_bfd_generic), |
| 1045 | BFD_JUMP_TABLE_CORE (_bfd_nocore), |
| 1046 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), |
| 1047 | BFD_JUMP_TABLE_SYMBOLS (bfd_pef), |
| 1048 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), |
| 1049 | BFD_JUMP_TABLE_WRITE (bfd_pef), |
| 1050 | BFD_JUMP_TABLE_LINK (bfd_pef), |
| 1051 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), |
| 1052 | |
| 1053 | NULL, |
| 1054 | |
| 1055 | NULL |
| 1056 | }; |
| 1057 | |
| 1058 | #define bfd_pef_xlib_close_and_cleanup _bfd_generic_close_and_cleanup |
| 1059 | #define bfd_pef_xlib_bfd_free_cached_info _bfd_generic_bfd_free_cached_info |
| 1060 | #define bfd_pef_xlib_new_section_hook _bfd_generic_new_section_hook |
| 1061 | #define bfd_pef_xlib_get_section_contents _bfd_generic_get_section_contents |
| 1062 | #define bfd_pef_xlib_set_section_contents _bfd_generic_set_section_contents |
| 1063 | #define bfd_pef_xlib_get_section_contents_in_window _bfd_generic_get_section_contents_in_window |
| 1064 | #define bfd_pef_xlib_set_section_contents_in_window _bfd_generic_set_section_contents_in_window |
| 1065 | |
| 1066 | static int |
| 1067 | bfd_pef_xlib_read_header (bfd *abfd, bfd_pef_xlib_header *header) |
| 1068 | { |
| 1069 | unsigned char buf[80]; |
| 1070 | |
| 1071 | bfd_seek (abfd, 0, SEEK_SET); |
| 1072 | |
| 1073 | if (bfd_bread ((void *) buf, sizeof buf, abfd) != sizeof buf) |
| 1074 | return -1; |
| 1075 | |
| 1076 | header->tag1 = bfd_getb32 (buf); |
| 1077 | header->tag2 = bfd_getb32 (buf + 4); |
| 1078 | header->current_format = bfd_getb32 (buf + 8); |
| 1079 | header->container_strings_offset = bfd_getb32 (buf + 12); |
| 1080 | header->export_hash_offset = bfd_getb32 (buf + 16); |
| 1081 | header->export_key_offset = bfd_getb32 (buf + 20); |
| 1082 | header->export_symbol_offset = bfd_getb32 (buf + 24); |
| 1083 | header->export_names_offset = bfd_getb32 (buf + 28); |
| 1084 | header->export_hash_table_power = bfd_getb32 (buf + 32); |
| 1085 | header->exported_symbol_count = bfd_getb32 (buf + 36); |
| 1086 | header->frag_name_offset = bfd_getb32 (buf + 40); |
| 1087 | header->frag_name_length = bfd_getb32 (buf + 44); |
| 1088 | header->dylib_path_offset = bfd_getb32 (buf + 48); |
| 1089 | header->dylib_path_length = bfd_getb32 (buf + 52); |
| 1090 | header->cpu_family = bfd_getb32 (buf + 56); |
| 1091 | header->cpu_model = bfd_getb32 (buf + 60); |
| 1092 | header->date_time_stamp = bfd_getb32 (buf + 64); |
| 1093 | header->current_version = bfd_getb32 (buf + 68); |
| 1094 | header->old_definition_version = bfd_getb32 (buf + 72); |
| 1095 | header->old_implementation_version = bfd_getb32 (buf + 76); |
| 1096 | |
| 1097 | return 0; |
| 1098 | } |
| 1099 | |
| 1100 | static int |
| 1101 | bfd_pef_xlib_scan (bfd *abfd, bfd_pef_xlib_header *header) |
| 1102 | { |
| 1103 | bfd_pef_xlib_data_struct *mdata = NULL; |
| 1104 | |
| 1105 | mdata = bfd_alloc (abfd, sizeof (* mdata)); |
| 1106 | if (mdata == NULL) |
| 1107 | return -1; |
| 1108 | |
| 1109 | mdata->header = *header; |
| 1110 | |
| 1111 | abfd->flags = (abfd->xvec->object_flags |
| 1112 | | (abfd->flags & (BFD_IN_MEMORY | BFD_IO_FUNCS))); |
| 1113 | |
| 1114 | abfd->tdata.pef_xlib_data = mdata; |
| 1115 | |
| 1116 | return 0; |
| 1117 | } |
| 1118 | |
| 1119 | static const bfd_target * |
| 1120 | bfd_pef_xlib_object_p (bfd *abfd) |
| 1121 | { |
| 1122 | bfd_pef_xlib_header header; |
| 1123 | |
| 1124 | if (bfd_pef_xlib_read_header (abfd, &header) != 0) |
| 1125 | { |
| 1126 | bfd_set_error (bfd_error_wrong_format); |
| 1127 | return NULL; |
| 1128 | } |
| 1129 | |
| 1130 | if ((header.tag1 != BFD_PEF_XLIB_TAG1) |
| 1131 | || ((header.tag2 != BFD_PEF_VLIB_TAG2) |
| 1132 | && (header.tag2 != BFD_PEF_BLIB_TAG2))) |
| 1133 | { |
| 1134 | bfd_set_error (bfd_error_wrong_format); |
| 1135 | return NULL; |
| 1136 | } |
| 1137 | |
| 1138 | if (bfd_pef_xlib_scan (abfd, &header) != 0) |
| 1139 | { |
| 1140 | bfd_set_error (bfd_error_wrong_format); |
| 1141 | return NULL; |
| 1142 | } |
| 1143 | |
| 1144 | return abfd->xvec; |
| 1145 | } |
| 1146 | |
| 1147 | const bfd_target pef_xlib_vec = |
| 1148 | { |
| 1149 | "pef-xlib", /* Name. */ |
| 1150 | bfd_target_pef_xlib_flavour, /* Flavour. */ |
| 1151 | BFD_ENDIAN_BIG, /* Byteorder */ |
| 1152 | BFD_ENDIAN_BIG, /* Header_byteorder. */ |
| 1153 | (HAS_RELOC | EXEC_P | /* Object flags. */ |
| 1154 | HAS_LINENO | HAS_DEBUG | |
| 1155 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), |
| 1156 | (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_DATA |
| 1157 | | SEC_ROM | SEC_HAS_CONTENTS),/* Section_flags. */ |
| 1158 | 0, /* Symbol_leading_char. */ |
| 1159 | ' ', /* AR_pad_char. */ |
| 1160 | 16, /* AR_max_namelen. */ |
| 1161 | 0, /* match priority. */ |
| 1162 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 1163 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 1164 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
| 1165 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 1166 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 1167 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ |
| 1168 | { /* bfd_check_format. */ |
| 1169 | _bfd_dummy_target, |
| 1170 | bfd_pef_xlib_object_p, /* bfd_check_format. */ |
| 1171 | _bfd_dummy_target, |
| 1172 | _bfd_dummy_target, |
| 1173 | }, |
| 1174 | { /* bfd_set_format. */ |
| 1175 | bfd_false, |
| 1176 | bfd_pef_mkobject, |
| 1177 | bfd_false, |
| 1178 | bfd_false, |
| 1179 | }, |
| 1180 | { /* bfd_write_contents. */ |
| 1181 | bfd_false, |
| 1182 | bfd_true, |
| 1183 | bfd_false, |
| 1184 | bfd_false, |
| 1185 | }, |
| 1186 | |
| 1187 | BFD_JUMP_TABLE_GENERIC (bfd_pef_xlib), |
| 1188 | BFD_JUMP_TABLE_COPY (_bfd_generic), |
| 1189 | BFD_JUMP_TABLE_CORE (_bfd_nocore), |
| 1190 | BFD_JUMP_TABLE_ARCHIVE (_bfd_noarchive), |
| 1191 | BFD_JUMP_TABLE_SYMBOLS (_bfd_nosymbols), |
| 1192 | BFD_JUMP_TABLE_RELOCS (_bfd_norelocs), |
| 1193 | BFD_JUMP_TABLE_WRITE (_bfd_nowrite), |
| 1194 | BFD_JUMP_TABLE_LINK (_bfd_nolink), |
| 1195 | BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic), |
| 1196 | |
| 1197 | NULL, |
| 1198 | |
| 1199 | NULL |
| 1200 | }; |