| 1 | /* BFD back-end data structures for a.out (and similar) files. |
| 2 | Copyright 1990, 1991, 1992 Free Software Foundation, Inc. |
| 3 | Written by Cygnus Support. |
| 4 | |
| 5 | This file is part of BFD, the Binary File Descriptor library. |
| 6 | |
| 7 | This program 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 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program 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 this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 20 | |
| 21 | #ifndef LIBAOUT_H |
| 22 | #define LIBAOUT_H |
| 23 | |
| 24 | /* We try to encapsulate the differences in the various a.out file |
| 25 | variants in a few routines, and otherwise share large masses of code. |
| 26 | This means we only have to fix bugs in one place, most of the time. */ |
| 27 | |
| 28 | #include "bfdlink.h" |
| 29 | |
| 30 | /* Parameterize the a.out code based on whether it is being built |
| 31 | for a 32-bit architecture or a 64-bit architecture. */ |
| 32 | #if ARCH_SIZE==64 |
| 33 | #define GET_WORD bfd_h_get_64 |
| 34 | #define GET_SWORD bfd_h_get_signed_64 |
| 35 | #define PUT_WORD bfd_h_put_64 |
| 36 | #ifndef NAME |
| 37 | #define NAME(x,y) CAT3(x,_64_,y) |
| 38 | #endif |
| 39 | #define JNAME(x) CAT(x,_64) |
| 40 | #define BYTES_IN_WORD 8 |
| 41 | #else /* ARCH_SIZE == 32 */ |
| 42 | #define GET_WORD bfd_h_get_32 |
| 43 | #define GET_SWORD bfd_h_get_signed_32 |
| 44 | #define PUT_WORD bfd_h_put_32 |
| 45 | #ifndef NAME |
| 46 | #define NAME(x,y) CAT3(x,_32_,y) |
| 47 | #endif |
| 48 | #define JNAME(x) CAT(x,_32) |
| 49 | #define BYTES_IN_WORD 4 |
| 50 | #endif /* ARCH_SIZE==32 */ |
| 51 | |
| 52 | /* Declare at file level, since used in parameter lists, which have |
| 53 | weird scope. */ |
| 54 | struct external_exec; |
| 55 | struct external_nlist; |
| 56 | struct reloc_ext_external; |
| 57 | struct reloc_std_external; |
| 58 | \f |
| 59 | /* a.out backend linker hash table entries. */ |
| 60 | |
| 61 | struct aout_link_hash_entry |
| 62 | { |
| 63 | struct bfd_link_hash_entry root; |
| 64 | /* Whether this symbol has been written out. */ |
| 65 | boolean written; |
| 66 | /* Symbol index in output file. */ |
| 67 | int indx; |
| 68 | }; |
| 69 | |
| 70 | /* a.out backend linker hash table. */ |
| 71 | |
| 72 | struct aout_link_hash_table |
| 73 | { |
| 74 | struct bfd_link_hash_table root; |
| 75 | }; |
| 76 | |
| 77 | /* Look up an entry in an a.out link hash table. */ |
| 78 | |
| 79 | #define aout_link_hash_lookup(table, string, create, copy, follow) \ |
| 80 | ((struct aout_link_hash_entry *) \ |
| 81 | bfd_link_hash_lookup (&(table)->root, (string), (create), (copy), (follow))) |
| 82 | |
| 83 | /* Traverse an a.out link hash table. */ |
| 84 | |
| 85 | #define aout_link_hash_traverse(table, func, info) \ |
| 86 | (bfd_link_hash_traverse \ |
| 87 | (&(table)->root, \ |
| 88 | (boolean (*) PARAMS ((struct bfd_link_hash_entry *, PTR))) (func), \ |
| 89 | (info))) |
| 90 | |
| 91 | /* Get the a.out link hash table from the info structure. This is |
| 92 | just a cast. */ |
| 93 | |
| 94 | #define aout_hash_table(p) ((struct aout_link_hash_table *) ((p)->hash)) |
| 95 | \f |
| 96 | /* Back-end information for various a.out targets. */ |
| 97 | struct aout_backend_data |
| 98 | { |
| 99 | /* Are ZMAGIC files mapped contiguously? If so, the text section may |
| 100 | need more padding, if the segment size (granularity for memory access |
| 101 | control) is larger than the page size. */ |
| 102 | unsigned char zmagic_mapped_contiguous; |
| 103 | /* If this flag is set, ZMAGIC/NMAGIC file headers get mapped in with the |
| 104 | text section, which starts immediately after the file header. |
| 105 | If not, the text section starts on the next page. */ |
| 106 | unsigned char text_includes_header; |
| 107 | |
| 108 | /* The value to pass to N_SET_FLAGS. */ |
| 109 | unsigned char exec_hdr_flags; |
| 110 | |
| 111 | /* If the text section VMA isn't specified, and we need an absolute |
| 112 | address, use this as the default. If we're producing a relocatable |
| 113 | file, zero is always used. */ |
| 114 | /* ?? Perhaps a callback would be a better choice? Will this do anything |
| 115 | reasonable for a format that handles multiple CPUs with different |
| 116 | load addresses for each? */ |
| 117 | bfd_vma default_text_vma; |
| 118 | |
| 119 | /* Callback for setting the page and segment sizes, if they can't be |
| 120 | trivially determined from the architecture. */ |
| 121 | boolean (*set_sizes) PARAMS ((bfd *)); |
| 122 | |
| 123 | /* zmagic files only. For go32, the length of the exec header contributes |
| 124 | to the size of the text section in the file for alignment purposes but |
| 125 | does *not* get counted in the length of the text section. */ |
| 126 | unsigned char exec_header_not_counted; |
| 127 | |
| 128 | /* Callback from the add symbols phase of the linker code to handle |
| 129 | a dynamic object. */ |
| 130 | boolean (*add_dynamic_symbols) PARAMS ((bfd *, struct bfd_link_info *)); |
| 131 | |
| 132 | /* Callback from the add symbols phase of the linker code to handle |
| 133 | adding a single symbol to the global linker hash table. */ |
| 134 | boolean (*add_one_symbol) PARAMS ((struct bfd_link_info *, bfd *, |
| 135 | const char *, flagword, asection *, |
| 136 | bfd_vma, const char *, boolean, |
| 137 | boolean, |
| 138 | struct bfd_link_hash_entry **)); |
| 139 | |
| 140 | /* Called to handle linking a dynamic object. */ |
| 141 | boolean (*link_dynamic_object) PARAMS ((struct bfd_link_info *, bfd *)); |
| 142 | |
| 143 | /* Called for each global symbol being written out by the linker. |
| 144 | This should write out the dynamic symbol information. */ |
| 145 | boolean (*write_dynamic_symbol) PARAMS ((bfd *, struct bfd_link_info *, |
| 146 | struct aout_link_hash_entry *)); |
| 147 | |
| 148 | /* This callback is called by the linker for each reloc against an |
| 149 | external symbol. RELOC is a pointer to the unswapped reloc. If |
| 150 | *SKIP is set to true, the reloc will be skipped. */ |
| 151 | boolean (*check_dynamic_reloc) PARAMS ((struct bfd_link_info *info, |
| 152 | bfd *input_bfd, |
| 153 | asection *input_section, |
| 154 | struct aout_link_hash_entry *h, |
| 155 | PTR reloc, boolean *skip)); |
| 156 | |
| 157 | /* Called at the end of a link to finish up any dynamic linking |
| 158 | information. */ |
| 159 | boolean (*finish_dynamic_link) PARAMS ((bfd *, struct bfd_link_info *)); |
| 160 | }; |
| 161 | #define aout_backend_info(abfd) \ |
| 162 | ((CONST struct aout_backend_data *)((abfd)->xvec->backend_data)) |
| 163 | |
| 164 | /* This is the layout in memory of a "struct exec" while we process it. |
| 165 | All 'lengths' are given as a number of bytes. |
| 166 | All 'alignments' are for relinkable files only; an alignment of |
| 167 | 'n' indicates the corresponding segment must begin at an |
| 168 | address that is a multiple of (2**n). */ |
| 169 | |
| 170 | struct internal_exec |
| 171 | { |
| 172 | long a_info; /* Magic number and flags, packed */ |
| 173 | bfd_vma a_text; /* length of text, in bytes */ |
| 174 | bfd_vma a_data; /* length of data, in bytes */ |
| 175 | bfd_vma a_bss; /* length of uninitialized data area in mem */ |
| 176 | bfd_vma a_syms; /* length of symbol table data in file */ |
| 177 | bfd_vma a_entry; /* start address */ |
| 178 | bfd_vma a_trsize; /* length of text's relocation info, in bytes */ |
| 179 | bfd_vma a_drsize; /* length of data's relocation info, in bytes */ |
| 180 | /* Added for i960 */ |
| 181 | bfd_vma a_tload; /* Text runtime load address */ |
| 182 | bfd_vma a_dload; /* Data runtime load address */ |
| 183 | unsigned char a_talign; /* Alignment of text segment */ |
| 184 | unsigned char a_dalign; /* Alignment of data segment */ |
| 185 | unsigned char a_balign; /* Alignment of bss segment */ |
| 186 | char a_relaxable; /* Enough info for linker relax */ |
| 187 | }; |
| 188 | |
| 189 | /* Magic number is written |
| 190 | < MSB > |
| 191 | 3130292827262524232221201918171615141312111009080706050403020100 |
| 192 | < FLAGS >< MACHINE TYPE >< MAGIC NUMBER > |
| 193 | */ |
| 194 | /* Magic number for NetBSD is |
| 195 | <MSB > |
| 196 | 3130292827262524232221201918171615141312111009080706050403020100 |
| 197 | < FLAGS >< >< MAGIC NUMBER > |
| 198 | */ |
| 199 | |
| 200 | enum machine_type { |
| 201 | M_UNKNOWN = 0, |
| 202 | M_68010 = 1, |
| 203 | M_68020 = 2, |
| 204 | M_SPARC = 3, |
| 205 | /* skip a bunch so we don't run into any of suns numbers */ |
| 206 | /* make these up for the ns32k*/ |
| 207 | M_NS32032 = (64), /* ns32032 running ? */ |
| 208 | M_NS32532 = (64 + 5), /* ns32532 running mach */ |
| 209 | |
| 210 | M_386 = 100, |
| 211 | M_29K = 101, /* AMD 29000 */ |
| 212 | M_386_DYNIX = 102, /* Sequent running dynix */ |
| 213 | M_ARM = 103, /* Advanced Risc Machines ARM */ |
| 214 | M_386_NETBSD = 134, /* NetBSD/i386 binary */ |
| 215 | M_68K_NETBSD = 135, /* NetBSD/m68k binary */ |
| 216 | M_532_NETBSD = 137, /* NetBSD/ns32k binary */ |
| 217 | M_SPARC_NETBSD = 138, /* NetBSD/sparc binary */ |
| 218 | M_MIPS1 = 151, /* MIPS R2000/R3000 binary */ |
| 219 | M_MIPS2 = 152, /* MIPS R4000/R6000 binary */ |
| 220 | M_HP200 = 200, /* HP 200 (68010) BSD binary */ |
| 221 | M_HP300 = (300 % 256), /* HP 300 (68020+68881) BSD binary */ |
| 222 | M_HPUX = (0x20c % 256)/* HP 200/300 HPUX binary */ |
| 223 | /* start-sanitize-rce */ |
| 224 | M_RCE = 155, /* Motorola RCE binary */ |
| 225 | /* end-sanitize-rce */ |
| 226 | }; |
| 227 | |
| 228 | #define N_DYNAMIC(exec) ((exec).a_info & 0x80000000) |
| 229 | |
| 230 | #ifndef N_MAGIC |
| 231 | # define N_MAGIC(exec) ((exec).a_info & 0xffff) |
| 232 | #endif |
| 233 | |
| 234 | #ifndef N_MACHTYPE |
| 235 | # define N_MACHTYPE(exec) ((enum machine_type)(((exec).a_info >> 16) & 0xff)) |
| 236 | #endif |
| 237 | |
| 238 | #ifndef N_FLAGS |
| 239 | # define N_FLAGS(exec) (((exec).a_info >> 24) & 0xff) |
| 240 | #endif |
| 241 | |
| 242 | #ifndef N_SET_INFO |
| 243 | # define N_SET_INFO(exec, magic, type, flags) \ |
| 244 | ((exec).a_info = ((magic) & 0xffff) \ |
| 245 | | (((int)(type) & 0xff) << 16) \ |
| 246 | | (((flags) & 0xff) << 24)) |
| 247 | #endif |
| 248 | |
| 249 | #ifndef N_SET_DYNAMIC |
| 250 | # define N_SET_DYNAMIC(exec, dynamic) \ |
| 251 | ((exec).a_info = (dynamic) ? ((exec).a_info | 0x80000000) : \ |
| 252 | ((exec).a_info & 0x7fffffff)) |
| 253 | #endif |
| 254 | |
| 255 | #ifndef N_SET_MAGIC |
| 256 | # define N_SET_MAGIC(exec, magic) \ |
| 257 | ((exec).a_info = (((exec).a_info & 0xffff0000) | ((magic) & 0xffff))) |
| 258 | #endif |
| 259 | |
| 260 | #ifndef N_SET_MACHTYPE |
| 261 | # define N_SET_MACHTYPE(exec, machtype) \ |
| 262 | ((exec).a_info = \ |
| 263 | ((exec).a_info&0xff00ffff) | ((((int)(machtype))&0xff) << 16)) |
| 264 | #endif |
| 265 | |
| 266 | #ifndef N_SET_FLAGS |
| 267 | # define N_SET_FLAGS(exec, flags) \ |
| 268 | ((exec).a_info = \ |
| 269 | ((exec).a_info&0x00ffffff) | (((flags) & 0xff) << 24)) |
| 270 | #endif |
| 271 | |
| 272 | typedef struct aout_symbol { |
| 273 | asymbol symbol; |
| 274 | short desc; |
| 275 | char other; |
| 276 | unsigned char type; |
| 277 | } aout_symbol_type; |
| 278 | |
| 279 | /* The `tdata' struct for all a.out-like object file formats. |
| 280 | Various things depend on this struct being around any time an a.out |
| 281 | file is being handled. An example is dbxread.c in GDB. */ |
| 282 | |
| 283 | struct aoutdata { |
| 284 | struct internal_exec *hdr; /* exec file header */ |
| 285 | aout_symbol_type *symbols; /* symtab for input bfd */ |
| 286 | |
| 287 | /* For ease, we do this */ |
| 288 | asection *textsec; |
| 289 | asection *datasec; |
| 290 | asection *bsssec; |
| 291 | |
| 292 | /* We remember these offsets so that after check_file_format, we have |
| 293 | no dependencies on the particular format of the exec_hdr. */ |
| 294 | file_ptr sym_filepos; |
| 295 | file_ptr str_filepos; |
| 296 | |
| 297 | /* Size of a relocation entry in external form */ |
| 298 | unsigned reloc_entry_size; |
| 299 | |
| 300 | /* Size of a symbol table entry in external form */ |
| 301 | unsigned symbol_entry_size; |
| 302 | |
| 303 | /* Page size - needed for alignment of demand paged files. */ |
| 304 | unsigned long page_size; |
| 305 | |
| 306 | /* Segment size - needed for alignment of demand paged files. */ |
| 307 | unsigned long segment_size; |
| 308 | |
| 309 | /* Zmagic disk block size - need to align the start of the text |
| 310 | section in ZMAGIC binaries. Normally the same as page_size. */ |
| 311 | unsigned long zmagic_disk_block_size; |
| 312 | |
| 313 | unsigned exec_bytes_size; |
| 314 | unsigned vma_adjusted : 1; |
| 315 | |
| 316 | /* used when a bfd supports several highly similar formats */ |
| 317 | enum |
| 318 | { |
| 319 | default_format = 0, |
| 320 | /* Used on HP 9000/300 running HP/UX. See hp300hpux.c. */ |
| 321 | gnu_encap_format, |
| 322 | /* Used on Linux, 386BSD, etc. See include/aout/aout64.h. */ |
| 323 | q_magic_format |
| 324 | } subformat; |
| 325 | |
| 326 | enum |
| 327 | { |
| 328 | undecided_magic = 0, |
| 329 | z_magic, |
| 330 | o_magic, |
| 331 | n_magic |
| 332 | } magic; |
| 333 | |
| 334 | /* The external symbol information. */ |
| 335 | struct external_nlist *external_syms; |
| 336 | bfd_size_type external_sym_count; |
| 337 | char *external_strings; |
| 338 | bfd_size_type external_string_size; |
| 339 | struct aout_link_hash_entry **sym_hashes; |
| 340 | |
| 341 | /* A pointer for shared library information. */ |
| 342 | PTR dynamic_info; |
| 343 | }; |
| 344 | |
| 345 | struct aout_data_struct { |
| 346 | struct aoutdata a; |
| 347 | struct internal_exec e; |
| 348 | }; |
| 349 | |
| 350 | #define adata(bfd) ((bfd)->tdata.aout_data->a) |
| 351 | #define exec_hdr(bfd) (adata(bfd).hdr) |
| 352 | #define obj_aout_symbols(bfd) (adata(bfd).symbols) |
| 353 | #define obj_textsec(bfd) (adata(bfd).textsec) |
| 354 | #define obj_datasec(bfd) (adata(bfd).datasec) |
| 355 | #define obj_bsssec(bfd) (adata(bfd).bsssec) |
| 356 | #define obj_sym_filepos(bfd) (adata(bfd).sym_filepos) |
| 357 | #define obj_str_filepos(bfd) (adata(bfd).str_filepos) |
| 358 | #define obj_reloc_entry_size(bfd) (adata(bfd).reloc_entry_size) |
| 359 | #define obj_symbol_entry_size(bfd) (adata(bfd).symbol_entry_size) |
| 360 | #define obj_aout_subformat(bfd) (adata(bfd).subformat) |
| 361 | #define obj_aout_external_syms(bfd) (adata(bfd).external_syms) |
| 362 | #define obj_aout_external_sym_count(bfd) (adata(bfd).external_sym_count) |
| 363 | #define obj_aout_external_strings(bfd) (adata(bfd).external_strings) |
| 364 | #define obj_aout_external_string_size(bfd) (adata(bfd).external_string_size) |
| 365 | #define obj_aout_sym_hashes(bfd) (adata(bfd).sym_hashes) |
| 366 | #define obj_aout_dynamic_info(bfd) (adata(bfd).dynamic_info) |
| 367 | |
| 368 | /* We take the address of the first element of an asymbol to ensure that the |
| 369 | macro is only ever applied to an asymbol */ |
| 370 | #define aout_symbol(asymbol) ((aout_symbol_type *)(&(asymbol)->the_bfd)) |
| 371 | |
| 372 | /* Information we keep for each a.out section. This is currently only |
| 373 | used by the a.out backend linker. */ |
| 374 | |
| 375 | struct aout_section_data_struct |
| 376 | { |
| 377 | /* The unswapped relocation entries for this section. */ |
| 378 | PTR relocs; |
| 379 | }; |
| 380 | |
| 381 | #define aout_section_data(s) \ |
| 382 | ((struct aout_section_data_struct *) (s)->used_by_bfd) |
| 383 | |
| 384 | /* Prototype declarations for functions defined in aoutx.h */ |
| 385 | |
| 386 | boolean |
| 387 | NAME(aout,squirt_out_relocs) PARAMS ((bfd *abfd, asection *section)); |
| 388 | |
| 389 | boolean |
| 390 | NAME(aout,make_sections) PARAMS ((bfd *)); |
| 391 | |
| 392 | const bfd_target * |
| 393 | NAME(aout,some_aout_object_p) PARAMS ((bfd *abfd, |
| 394 | struct internal_exec *execp, |
| 395 | const bfd_target *(*callback)(bfd *))); |
| 396 | |
| 397 | boolean |
| 398 | NAME(aout,mkobject) PARAMS ((bfd *abfd)); |
| 399 | |
| 400 | enum machine_type |
| 401 | NAME(aout,machine_type) PARAMS ((enum bfd_architecture arch, |
| 402 | unsigned long machine, |
| 403 | boolean *unknown)); |
| 404 | |
| 405 | boolean |
| 406 | NAME(aout,set_arch_mach) PARAMS ((bfd *abfd, enum bfd_architecture arch, |
| 407 | unsigned long machine)); |
| 408 | |
| 409 | boolean |
| 410 | NAME(aout,new_section_hook) PARAMS ((bfd *abfd, asection *newsect)); |
| 411 | |
| 412 | boolean |
| 413 | NAME(aout,set_section_contents) PARAMS ((bfd *abfd, sec_ptr section, |
| 414 | PTR location, file_ptr offset, bfd_size_type count)); |
| 415 | |
| 416 | asymbol * |
| 417 | NAME(aout,make_empty_symbol) PARAMS ((bfd *abfd)); |
| 418 | |
| 419 | boolean |
| 420 | NAME(aout,translate_symbol_table) PARAMS ((bfd *, aout_symbol_type *, |
| 421 | struct external_nlist *, |
| 422 | bfd_size_type, char *, |
| 423 | bfd_size_type, |
| 424 | boolean dynamic)); |
| 425 | |
| 426 | boolean |
| 427 | NAME(aout,slurp_symbol_table) PARAMS ((bfd *abfd)); |
| 428 | |
| 429 | boolean |
| 430 | NAME(aout,write_syms) PARAMS ((bfd *abfd)); |
| 431 | |
| 432 | void |
| 433 | NAME(aout,reclaim_symbol_table) PARAMS ((bfd *abfd)); |
| 434 | |
| 435 | long |
| 436 | NAME(aout,get_symtab_upper_bound) PARAMS ((bfd *abfd)); |
| 437 | |
| 438 | long |
| 439 | NAME(aout,get_symtab) PARAMS ((bfd *abfd, asymbol **location)); |
| 440 | |
| 441 | void |
| 442 | NAME(aout,swap_ext_reloc_in) PARAMS ((bfd *, struct reloc_ext_external *, |
| 443 | arelent *, asymbol **)); |
| 444 | void |
| 445 | NAME(aout,swap_std_reloc_in) PARAMS ((bfd *, struct reloc_std_external *, |
| 446 | arelent *, asymbol **)); |
| 447 | |
| 448 | boolean |
| 449 | NAME(aout,slurp_reloc_table) PARAMS ((bfd *abfd, sec_ptr asect, |
| 450 | asymbol **symbols)); |
| 451 | |
| 452 | long |
| 453 | NAME(aout,canonicalize_reloc) PARAMS ((bfd *abfd, sec_ptr section, |
| 454 | arelent **relptr, asymbol **symbols)); |
| 455 | |
| 456 | long |
| 457 | NAME(aout,get_reloc_upper_bound) PARAMS ((bfd *abfd, sec_ptr asect)); |
| 458 | |
| 459 | void |
| 460 | NAME(aout,reclaim_reloc) PARAMS ((bfd *ignore_abfd, sec_ptr ignore)); |
| 461 | |
| 462 | alent * |
| 463 | NAME(aout,get_lineno) PARAMS ((bfd *ignore_abfd, asymbol *ignore_symbol)); |
| 464 | |
| 465 | void |
| 466 | NAME(aout,print_symbol) PARAMS ((bfd *ignore_abfd, PTR file, |
| 467 | asymbol *symbol, bfd_print_symbol_type how)); |
| 468 | |
| 469 | void |
| 470 | NAME(aout,get_symbol_info) PARAMS ((bfd *ignore_abfd, |
| 471 | asymbol *symbol, symbol_info *ret)); |
| 472 | |
| 473 | boolean |
| 474 | NAME(aout,find_nearest_line) PARAMS ((bfd *abfd, asection *section, |
| 475 | asymbol **symbols, bfd_vma offset, CONST char **filename_ptr, |
| 476 | CONST char **functionname_ptr, unsigned int *line_ptr)); |
| 477 | |
| 478 | int |
| 479 | NAME(aout,sizeof_headers) PARAMS ((bfd *abfd, boolean exec)); |
| 480 | |
| 481 | boolean |
| 482 | NAME(aout,adjust_sizes_and_vmas) PARAMS ((bfd *abfd, |
| 483 | bfd_size_type *text_size, file_ptr *text_end)); |
| 484 | |
| 485 | void |
| 486 | NAME(aout,swap_exec_header_in) PARAMS ((bfd *abfd, |
| 487 | struct external_exec *raw_bytes, struct internal_exec *execp)); |
| 488 | |
| 489 | void |
| 490 | NAME(aout,swap_exec_header_out) PARAMS ((bfd *abfd, |
| 491 | struct internal_exec *execp, struct external_exec *raw_bytes)); |
| 492 | |
| 493 | struct bfd_hash_entry * |
| 494 | NAME(aout,link_hash_newfunc) |
| 495 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); |
| 496 | |
| 497 | boolean |
| 498 | NAME(aout,link_hash_table_init) |
| 499 | PARAMS ((struct aout_link_hash_table *, bfd *, |
| 500 | struct bfd_hash_entry *(*) (struct bfd_hash_entry *, |
| 501 | struct bfd_hash_table *, |
| 502 | const char *))); |
| 503 | |
| 504 | struct bfd_link_hash_table * |
| 505 | NAME(aout,link_hash_table_create) PARAMS ((bfd *)); |
| 506 | |
| 507 | boolean |
| 508 | NAME(aout,link_add_symbols) PARAMS ((bfd *, struct bfd_link_info *)); |
| 509 | |
| 510 | boolean |
| 511 | NAME(aout,final_link) PARAMS ((bfd *, struct bfd_link_info *, |
| 512 | void (*) (bfd *, file_ptr *, file_ptr *, |
| 513 | file_ptr *))); |
| 514 | |
| 515 | boolean |
| 516 | NAME(aout,bfd_free_cached_info) PARAMS ((bfd *)); |
| 517 | |
| 518 | /* Prototypes for functions in stab-syms.c. */ |
| 519 | |
| 520 | CONST char * |
| 521 | aout_stab_name PARAMS ((int code)); |
| 522 | |
| 523 | /* A.out uses the generic versions of these routines... */ |
| 524 | |
| 525 | #define aout_32_get_section_contents _bfd_generic_get_section_contents |
| 526 | |
| 527 | #define aout_64_get_section_contents _bfd_generic_get_section_contents |
| 528 | #ifndef NO_WRITE_HEADER_KLUDGE |
| 529 | #define NO_WRITE_HEADER_KLUDGE 0 |
| 530 | #endif |
| 531 | |
| 532 | #ifndef aout_32_bfd_is_local_label |
| 533 | #define aout_32_bfd_is_local_label bfd_generic_is_local_label |
| 534 | #endif |
| 535 | |
| 536 | #ifndef WRITE_HEADERS |
| 537 | #define WRITE_HEADERS(abfd, execp) \ |
| 538 | { \ |
| 539 | bfd_size_type text_size; /* dummy vars */ \ |
| 540 | file_ptr text_end; \ |
| 541 | if (adata(abfd).magic == undecided_magic) \ |
| 542 | NAME(aout,adjust_sizes_and_vmas) (abfd, &text_size, &text_end); \ |
| 543 | \ |
| 544 | execp->a_syms = bfd_get_symcount (abfd) * EXTERNAL_NLIST_SIZE; \ |
| 545 | execp->a_entry = bfd_get_start_address (abfd); \ |
| 546 | \ |
| 547 | execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * \ |
| 548 | obj_reloc_entry_size (abfd)); \ |
| 549 | execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * \ |
| 550 | obj_reloc_entry_size (abfd)); \ |
| 551 | NAME(aout,swap_exec_header_out) (abfd, execp, &exec_bytes); \ |
| 552 | \ |
| 553 | if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) return false; \ |
| 554 | if (bfd_write ((PTR) &exec_bytes, 1, EXEC_BYTES_SIZE, abfd) \ |
| 555 | != EXEC_BYTES_SIZE) \ |
| 556 | return false; \ |
| 557 | /* Now write out reloc info, followed by syms and strings */ \ |
| 558 | \ |
| 559 | if (bfd_get_outsymbols (abfd) != (asymbol **) NULL \ |
| 560 | && bfd_get_symcount (abfd) != 0) \ |
| 561 | { \ |
| 562 | if (bfd_seek (abfd, (file_ptr)(N_SYMOFF(*execp)), SEEK_SET) \ |
| 563 | != 0) \ |
| 564 | return false; \ |
| 565 | \ |
| 566 | if (! NAME(aout,write_syms)(abfd)) return false; \ |
| 567 | \ |
| 568 | if (bfd_seek (abfd, (file_ptr)(N_TRELOFF(*execp)), SEEK_SET) \ |
| 569 | != 0) \ |
| 570 | return false; \ |
| 571 | \ |
| 572 | if (!NAME(aout,squirt_out_relocs) (abfd, obj_textsec (abfd))) \ |
| 573 | return false; \ |
| 574 | if (bfd_seek (abfd, (file_ptr)(N_DRELOFF(*execp)), SEEK_SET) \ |
| 575 | != 0) \ |
| 576 | return false; \ |
| 577 | \ |
| 578 | if (!NAME(aout,squirt_out_relocs)(abfd, obj_datasec (abfd))) \ |
| 579 | return false; \ |
| 580 | } \ |
| 581 | } |
| 582 | #endif |
| 583 | |
| 584 | #endif /* ! defined (LIBAOUT_H) */ |