| File: | src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c |
| Warning: | line 1261, column 5 Value stored to 'had_shared' is never read |
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| 1 | /* COFF specific linker code. |
| 2 | Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
| 3 | 2004, 2005, 2006 Free Software Foundation, Inc. |
| 4 | Written by Ian Lance Taylor, Cygnus Support. |
| 5 | |
| 6 | This file is part of BFD, the Binary File Descriptor library. |
| 7 | |
| 8 | This program is free software; you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by |
| 10 | the Free Software Foundation; either version 2 of the License, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | This program is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | You should have received a copy of the GNU General Public License |
| 19 | along with this program; if not, write to the Free Software |
| 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
| 21 | |
| 22 | /* This file contains the COFF backend linker code. */ |
| 23 | |
| 24 | #include "bfd.h" |
| 25 | #include "sysdep.h" |
| 26 | #include "bfdlink.h" |
| 27 | #include "libbfd.h" |
| 28 | #include "coff/internal.h" |
| 29 | #include "libcoff.h" |
| 30 | #include "safe-ctype.h" |
| 31 | |
| 32 | static bfd_boolean coff_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info); |
| 33 | static bfd_boolean coff_link_check_archive_element (bfd *abfd, struct bfd_link_info *info, bfd_boolean *pneeded); |
| 34 | static bfd_boolean coff_link_add_symbols (bfd *abfd, struct bfd_link_info *info); |
| 35 | |
| 36 | /* Return TRUE if SYM is a weak, external symbol. */ |
| 37 | #define IS_WEAK_EXTERNAL(abfd, sym)((sym).n_sclass == 127 || ((((abfd)->tdata.coff_obj_data)-> pe) && (sym).n_sclass == 105)) \ |
| 38 | ((sym).n_sclass == C_WEAKEXT127 \ |
| 39 | || (obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe) && (sym).n_sclass == C_NT_WEAK105)) |
| 40 | |
| 41 | /* Return TRUE if SYM is an external symbol. */ |
| 42 | #define IS_EXTERNAL(abfd, sym)((sym).n_sclass == 2 || ((sym).n_sclass == 127 || ((((abfd)-> tdata.coff_obj_data)->pe) && (sym).n_sclass == 105 ))) \ |
| 43 | ((sym).n_sclass == C_EXT2 || IS_WEAK_EXTERNAL (abfd, sym)((sym).n_sclass == 127 || ((((abfd)->tdata.coff_obj_data)-> pe) && (sym).n_sclass == 105))) |
| 44 | |
| 45 | /* Define macros so that the ISFCN, et. al., macros work correctly. |
| 46 | These macros are defined in include/coff/internal.h in terms of |
| 47 | N_TMASK, etc. These definitions require a user to define local |
| 48 | variables with the appropriate names, and with values from the |
| 49 | coff_data (abfd) structure. */ |
| 50 | |
| 51 | #define N_TMASKn_tmask n_tmask |
| 52 | #define N_BTSHFTn_btshft n_btshft |
| 53 | #define N_BTMASKn_btmask n_btmask |
| 54 | |
| 55 | /* Create an entry in a COFF linker hash table. */ |
| 56 | |
| 57 | struct bfd_hash_entry * |
| 58 | _bfd_coff_link_hash_newfunc (struct bfd_hash_entry *entry, |
| 59 | struct bfd_hash_table *table, |
| 60 | const char *string) |
| 61 | { |
| 62 | struct coff_link_hash_entry *ret = (struct coff_link_hash_entry *) entry; |
| 63 | |
| 64 | /* Allocate the structure if it has not already been allocated by a |
| 65 | subclass. */ |
| 66 | if (ret == (struct coff_link_hash_entry *) NULL((void*)0)) |
| 67 | ret = ((struct coff_link_hash_entry *) |
| 68 | bfd_hash_allocate (table, sizeof (struct coff_link_hash_entry))); |
| 69 | if (ret == (struct coff_link_hash_entry *) NULL((void*)0)) |
| 70 | return (struct bfd_hash_entry *) ret; |
| 71 | |
| 72 | /* Call the allocation method of the superclass. */ |
| 73 | ret = ((struct coff_link_hash_entry *) |
| 74 | _bfd_link_hash_newfunc ((struct bfd_hash_entry *) ret, |
| 75 | table, string)); |
| 76 | if (ret != (struct coff_link_hash_entry *) NULL((void*)0)) |
| 77 | { |
| 78 | /* Set local fields. */ |
| 79 | ret->indx = -1; |
| 80 | ret->type = T_NULL0; |
| 81 | ret->class = C_NULL0; |
| 82 | ret->numaux = 0; |
| 83 | ret->auxbfd = NULL((void*)0); |
| 84 | ret->aux = NULL((void*)0); |
| 85 | } |
| 86 | |
| 87 | return (struct bfd_hash_entry *) ret; |
| 88 | } |
| 89 | |
| 90 | /* Initialize a COFF linker hash table. */ |
| 91 | |
| 92 | bfd_boolean |
| 93 | _bfd_coff_link_hash_table_init (struct coff_link_hash_table *table, |
| 94 | bfd *abfd, |
| 95 | struct bfd_hash_entry *(*newfunc) (struct bfd_hash_entry *, |
| 96 | struct bfd_hash_table *, |
| 97 | const char *), |
| 98 | unsigned int entsize) |
| 99 | { |
| 100 | memset (&table->stab_info, 0, sizeof (table->stab_info)); |
| 101 | return _bfd_link_hash_table_init (&table->root, abfd, newfunc, entsize); |
| 102 | } |
| 103 | |
| 104 | /* Create a COFF linker hash table. */ |
| 105 | |
| 106 | struct bfd_link_hash_table * |
| 107 | _bfd_coff_link_hash_table_create (bfd *abfd) |
| 108 | { |
| 109 | struct coff_link_hash_table *ret; |
| 110 | bfd_size_type amt = sizeof (struct coff_link_hash_table); |
| 111 | |
| 112 | ret = bfd_malloc (amt); |
| 113 | if (ret == NULL((void*)0)) |
| 114 | return NULL((void*)0); |
| 115 | |
| 116 | if (! _bfd_coff_link_hash_table_init (ret, abfd, |
| 117 | _bfd_coff_link_hash_newfunc, |
| 118 | sizeof (struct coff_link_hash_entry))) |
| 119 | { |
| 120 | free (ret); |
| 121 | return (struct bfd_link_hash_table *) NULL((void*)0); |
| 122 | } |
| 123 | return &ret->root; |
| 124 | } |
| 125 | |
| 126 | /* Create an entry in a COFF debug merge hash table. */ |
| 127 | |
| 128 | struct bfd_hash_entry * |
| 129 | _bfd_coff_debug_merge_hash_newfunc (struct bfd_hash_entry *entry, |
| 130 | struct bfd_hash_table *table, |
| 131 | const char *string) |
| 132 | { |
| 133 | struct coff_debug_merge_hash_entry *ret = |
| 134 | (struct coff_debug_merge_hash_entry *) entry; |
| 135 | |
| 136 | /* Allocate the structure if it has not already been allocated by a |
| 137 | subclass. */ |
| 138 | if (ret == (struct coff_debug_merge_hash_entry *) NULL((void*)0)) |
| 139 | ret = ((struct coff_debug_merge_hash_entry *) |
| 140 | bfd_hash_allocate (table, |
| 141 | sizeof (struct coff_debug_merge_hash_entry))); |
| 142 | if (ret == (struct coff_debug_merge_hash_entry *) NULL((void*)0)) |
| 143 | return (struct bfd_hash_entry *) ret; |
| 144 | |
| 145 | /* Call the allocation method of the superclass. */ |
| 146 | ret = ((struct coff_debug_merge_hash_entry *) |
| 147 | bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string)); |
| 148 | if (ret != (struct coff_debug_merge_hash_entry *) NULL((void*)0)) |
| 149 | { |
| 150 | /* Set local fields. */ |
| 151 | ret->types = NULL((void*)0); |
| 152 | } |
| 153 | |
| 154 | return (struct bfd_hash_entry *) ret; |
| 155 | } |
| 156 | |
| 157 | /* Given a COFF BFD, add symbols to the global hash table as |
| 158 | appropriate. */ |
| 159 | |
| 160 | bfd_boolean |
| 161 | _bfd_coff_link_add_symbols (bfd *abfd, struct bfd_link_info *info) |
| 162 | { |
| 163 | switch (bfd_get_format (abfd)((abfd)->format)) |
| 164 | { |
| 165 | case bfd_object: |
| 166 | return coff_link_add_object_symbols (abfd, info); |
| 167 | case bfd_archive: |
| 168 | return _bfd_generic_link_add_archive_symbols |
| 169 | (abfd, info, coff_link_check_archive_element); |
| 170 | default: |
| 171 | bfd_set_error (bfd_error_wrong_format); |
| 172 | return FALSE0; |
| 173 | } |
| 174 | } |
| 175 | |
| 176 | /* Add symbols from a COFF object file. */ |
| 177 | |
| 178 | static bfd_boolean |
| 179 | coff_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info) |
| 180 | { |
| 181 | if (! _bfd_coff_get_external_symbols (abfd)) |
| 182 | return FALSE0; |
| 183 | if (! coff_link_add_symbols (abfd, info)) |
| 184 | return FALSE0; |
| 185 | |
| 186 | if (! info->keep_memory |
| 187 | && ! _bfd_coff_free_symbols (abfd)) |
| 188 | return FALSE0; |
| 189 | |
| 190 | return TRUE1; |
| 191 | } |
| 192 | |
| 193 | /* Look through the symbols to see if this object file should be |
| 194 | included in the link. */ |
| 195 | |
| 196 | static bfd_boolean |
| 197 | coff_link_check_ar_symbols (bfd *abfd, |
| 198 | struct bfd_link_info *info, |
| 199 | bfd_boolean *pneeded) |
| 200 | { |
| 201 | bfd_size_type symesz; |
| 202 | bfd_byte *esym; |
| 203 | bfd_byte *esym_end; |
| 204 | |
| 205 | *pneeded = FALSE0; |
| 206 | |
| 207 | symesz = bfd_coff_symesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_symesz); |
| 208 | esym = (bfd_byte *) obj_coff_external_syms (abfd)(((abfd)->tdata.coff_obj_data)->external_syms); |
| 209 | esym_end = esym + obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count) * symesz; |
| 210 | while (esym < esym_end) |
| 211 | { |
| 212 | struct internal_syment sym; |
| 213 | enum coff_symbol_classification classification; |
| 214 | |
| 215 | bfd_coff_swap_sym_in (abfd, esym, &sym)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_sym_in) (abfd,esym,&sym)); |
| 216 | |
| 217 | classification = bfd_coff_classify_symbol (abfd, &sym)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_classify_symbol) (abfd, &sym)); |
| 218 | if (classification == COFF_SYMBOL_GLOBAL |
| 219 | || classification == COFF_SYMBOL_COMMON) |
| 220 | { |
| 221 | const char *name; |
| 222 | char buf[SYMNMLEN8 + 1]; |
| 223 | struct bfd_link_hash_entry *h; |
| 224 | |
| 225 | /* This symbol is externally visible, and is defined by this |
| 226 | object file. */ |
| 227 | name = _bfd_coff_internal_syment_name (abfd, &sym, buf); |
| 228 | if (name == NULL((void*)0)) |
| 229 | return FALSE0; |
| 230 | h = bfd_link_hash_lookup (info->hash, name, FALSE0, FALSE0, TRUE1); |
| 231 | |
| 232 | /* Auto import. */ |
| 233 | if (!h |
| 234 | && info->pei386_auto_import |
| 235 | && !strncmp (name,"__imp_", 6)) |
| 236 | h = bfd_link_hash_lookup (info->hash, name + 6, FALSE0, FALSE0, TRUE1); |
| 237 | |
| 238 | /* We are only interested in symbols that are currently |
| 239 | undefined. If a symbol is currently known to be common, |
| 240 | COFF linkers do not bring in an object file which defines |
| 241 | it. */ |
| 242 | if (h != (struct bfd_link_hash_entry *) NULL((void*)0) |
| 243 | && h->type == bfd_link_hash_undefined) |
| 244 | { |
| 245 | if (! (*info->callbacks->add_archive_element) (info, abfd, name)) |
| 246 | return FALSE0; |
| 247 | *pneeded = TRUE1; |
| 248 | return TRUE1; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | esym += (sym.n_numaux + 1) * symesz; |
| 253 | } |
| 254 | |
| 255 | /* We do not need this object file. */ |
| 256 | return TRUE1; |
| 257 | } |
| 258 | |
| 259 | /* Check a single archive element to see if we need to include it in |
| 260 | the link. *PNEEDED is set according to whether this element is |
| 261 | needed in the link or not. This is called via |
| 262 | _bfd_generic_link_add_archive_symbols. */ |
| 263 | |
| 264 | static bfd_boolean |
| 265 | coff_link_check_archive_element (bfd *abfd, |
| 266 | struct bfd_link_info *info, |
| 267 | bfd_boolean *pneeded) |
| 268 | { |
| 269 | if (! _bfd_coff_get_external_symbols (abfd)) |
| 270 | return FALSE0; |
| 271 | |
| 272 | if (! coff_link_check_ar_symbols (abfd, info, pneeded)) |
| 273 | return FALSE0; |
| 274 | |
| 275 | if (*pneeded |
| 276 | && ! coff_link_add_symbols (abfd, info)) |
| 277 | return FALSE0; |
| 278 | |
| 279 | if ((! info->keep_memory || ! *pneeded) |
| 280 | && ! _bfd_coff_free_symbols (abfd)) |
| 281 | return FALSE0; |
| 282 | |
| 283 | return TRUE1; |
| 284 | } |
| 285 | |
| 286 | /* Add all the symbols from an object file to the hash table. */ |
| 287 | |
| 288 | static bfd_boolean |
| 289 | coff_link_add_symbols (bfd *abfd, |
| 290 | struct bfd_link_info *info) |
| 291 | { |
| 292 | unsigned int n_tmask = coff_data (abfd)((abfd)->tdata.coff_obj_data)->local_n_tmask; |
| 293 | unsigned int n_btshft = coff_data (abfd)((abfd)->tdata.coff_obj_data)->local_n_btshft; |
| 294 | unsigned int n_btmask = coff_data (abfd)((abfd)->tdata.coff_obj_data)->local_n_btmask; |
| 295 | bfd_boolean keep_syms; |
| 296 | bfd_boolean default_copy; |
| 297 | bfd_size_type symcount; |
| 298 | struct coff_link_hash_entry **sym_hash; |
| 299 | bfd_size_type symesz; |
| 300 | bfd_byte *esym; |
| 301 | bfd_byte *esym_end; |
| 302 | bfd_size_type amt; |
| 303 | |
| 304 | /* Keep the symbols during this function, in case the linker needs |
| 305 | to read the generic symbols in order to report an error message. */ |
| 306 | keep_syms = obj_coff_keep_syms (abfd)(((abfd)->tdata.coff_obj_data)->keep_syms); |
| 307 | obj_coff_keep_syms (abfd)(((abfd)->tdata.coff_obj_data)->keep_syms) = TRUE1; |
| 308 | |
| 309 | if (info->keep_memory) |
| 310 | default_copy = FALSE0; |
| 311 | else |
| 312 | default_copy = TRUE1; |
| 313 | |
| 314 | symcount = obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count); |
| 315 | |
| 316 | /* We keep a list of the linker hash table entries that correspond |
| 317 | to particular symbols. */ |
| 318 | amt = symcount * sizeof (struct coff_link_hash_entry *); |
| 319 | sym_hash = bfd_zalloc (abfd, amt); |
| 320 | if (sym_hash == NULL((void*)0) && symcount != 0) |
| 321 | goto error_return; |
| 322 | obj_coff_sym_hashes (abfd)(((abfd)->tdata.coff_obj_data)->sym_hashes) = sym_hash; |
| 323 | |
| 324 | symesz = bfd_coff_symesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_symesz); |
| 325 | BFD_ASSERT (symesz == bfd_coff_auxesz (abfd))do { if (!(symesz == (((bfd_coff_backend_data *) (abfd)->xvec ->backend_data)->_bfd_auxesz))) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" ,325); } while (0); |
| 326 | esym = (bfd_byte *) obj_coff_external_syms (abfd)(((abfd)->tdata.coff_obj_data)->external_syms); |
| 327 | esym_end = esym + symcount * symesz; |
| 328 | while (esym < esym_end) |
| 329 | { |
| 330 | struct internal_syment sym; |
| 331 | enum coff_symbol_classification classification; |
| 332 | bfd_boolean copy; |
| 333 | |
| 334 | bfd_coff_swap_sym_in (abfd, esym, &sym)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_sym_in) (abfd,esym,&sym)); |
| 335 | |
| 336 | classification = bfd_coff_classify_symbol (abfd, &sym)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_classify_symbol) (abfd, &sym)); |
| 337 | if (classification != COFF_SYMBOL_LOCAL) |
| 338 | { |
| 339 | const char *name; |
| 340 | char buf[SYMNMLEN8 + 1]; |
| 341 | flagword flags; |
| 342 | asection *section; |
| 343 | bfd_vma value; |
| 344 | bfd_boolean addit; |
| 345 | |
| 346 | /* This symbol is externally visible. */ |
| 347 | |
| 348 | name = _bfd_coff_internal_syment_name (abfd, &sym, buf); |
| 349 | if (name == NULL((void*)0)) |
| 350 | goto error_return; |
| 351 | |
| 352 | /* We must copy the name into memory if we got it from the |
| 353 | syment itself, rather than the string table. */ |
| 354 | copy = default_copy; |
| 355 | if (sym._n._n_n._n_zeroes != 0 |
| 356 | || sym._n._n_n._n_offset == 0) |
| 357 | copy = TRUE1; |
| 358 | |
| 359 | value = sym.n_value; |
| 360 | |
| 361 | switch (classification) |
| 362 | { |
| 363 | default: |
| 364 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" , 364, __PRETTY_FUNCTION__); |
| 365 | |
| 366 | case COFF_SYMBOL_GLOBAL: |
| 367 | flags = BSF_EXPORT0x02 | BSF_GLOBAL0x02; |
| 368 | section = coff_section_from_bfd_index (abfd, sym.n_scnum); |
| 369 | if (! obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe)) |
| 370 | value -= section->vma; |
| 371 | break; |
| 372 | |
| 373 | case COFF_SYMBOL_UNDEFINED: |
| 374 | flags = 0; |
| 375 | section = bfd_und_section_ptr((asection *) &bfd_und_section); |
| 376 | break; |
| 377 | |
| 378 | case COFF_SYMBOL_COMMON: |
| 379 | flags = BSF_GLOBAL0x02; |
| 380 | section = bfd_com_section_ptr((asection *) &bfd_com_section); |
| 381 | break; |
| 382 | |
| 383 | case COFF_SYMBOL_PE_SECTION: |
| 384 | flags = BSF_SECTION_SYM0x100 | BSF_GLOBAL0x02; |
| 385 | section = coff_section_from_bfd_index (abfd, sym.n_scnum); |
| 386 | break; |
| 387 | } |
| 388 | |
| 389 | if (IS_WEAK_EXTERNAL (abfd, sym)((sym).n_sclass == 127 || ((((abfd)->tdata.coff_obj_data)-> pe) && (sym).n_sclass == 105))) |
| 390 | flags = BSF_WEAK0x80; |
| 391 | |
| 392 | addit = TRUE1; |
| 393 | |
| 394 | /* In the PE format, section symbols actually refer to the |
| 395 | start of the output section. We handle them specially |
| 396 | here. */ |
| 397 | if (obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe) && (flags & BSF_SECTION_SYM0x100) != 0) |
| 398 | { |
| 399 | *sym_hash = coff_link_hash_lookup (coff_hash_table (info),((struct coff_link_hash_entry *) bfd_link_hash_lookup (&( ((struct coff_link_hash_table *) ((info)->hash)))->root , (name), (0), (copy), (0))) |
| 400 | name, FALSE, copy, FALSE)((struct coff_link_hash_entry *) bfd_link_hash_lookup (&( ((struct coff_link_hash_table *) ((info)->hash)))->root , (name), (0), (copy), (0))); |
| 401 | if (*sym_hash != NULL((void*)0)) |
| 402 | { |
| 403 | if (((*sym_hash)->coff_link_hash_flags |
| 404 | & COFF_LINK_HASH_PE_SECTION_SYMBOL(01)) == 0 |
| 405 | && (*sym_hash)->root.type != bfd_link_hash_undefined |
| 406 | && (*sym_hash)->root.type != bfd_link_hash_undefweak) |
| 407 | (*_bfd_error_handler) |
| 408 | ("Warning: symbol `%s' is both section and non-section", |
| 409 | name); |
| 410 | |
| 411 | addit = FALSE0; |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | /* The Microsoft Visual C compiler does string pooling by |
| 416 | hashing the constants to an internal symbol name, and |
| 417 | relying on the linker comdat support to discard |
| 418 | duplicate names. However, if one string is a literal and |
| 419 | one is a data initializer, one will end up in the .data |
| 420 | section and one will end up in the .rdata section. The |
| 421 | Microsoft linker will combine them into the .data |
| 422 | section, which seems to be wrong since it might cause the |
| 423 | literal to change. |
| 424 | |
| 425 | As long as there are no external references to the |
| 426 | symbols, which there shouldn't be, we can treat the .data |
| 427 | and .rdata instances as separate symbols. The comdat |
| 428 | code in the linker will do the appropriate merging. Here |
| 429 | we avoid getting a multiple definition error for one of |
| 430 | these special symbols. |
| 431 | |
| 432 | FIXME: I don't think this will work in the case where |
| 433 | there are two object files which use the constants as a |
| 434 | literal and two object files which use it as a data |
| 435 | initializer. One or the other of the second object files |
| 436 | is going to wind up with an inappropriate reference. */ |
| 437 | if (obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe) |
| 438 | && (classification == COFF_SYMBOL_GLOBAL |
| 439 | || classification == COFF_SYMBOL_PE_SECTION) |
| 440 | && coff_section_data (abfd, section)((struct coff_section_tdata *) (section)->used_by_bfd) != NULL((void*)0) |
| 441 | && coff_section_data (abfd, section)((struct coff_section_tdata *) (section)->used_by_bfd)->comdat != NULL((void*)0) |
| 442 | && strncmp (name, "??_", 3) == 0 |
| 443 | && strcmp (name, coff_section_data (abfd, section)((struct coff_section_tdata *) (section)->used_by_bfd)->comdat->name) == 0) |
| 444 | { |
| 445 | if (*sym_hash == NULL((void*)0)) |
| 446 | *sym_hash = coff_link_hash_lookup (coff_hash_table (info),((struct coff_link_hash_entry *) bfd_link_hash_lookup (&( ((struct coff_link_hash_table *) ((info)->hash)))->root , (name), (0), (copy), (0))) |
| 447 | name, FALSE, copy, FALSE)((struct coff_link_hash_entry *) bfd_link_hash_lookup (&( ((struct coff_link_hash_table *) ((info)->hash)))->root , (name), (0), (copy), (0))); |
| 448 | if (*sym_hash != NULL((void*)0) |
| 449 | && (*sym_hash)->root.type == bfd_link_hash_defined |
| 450 | && coff_section_data (abfd, (*sym_hash)->root.u.def.section)((struct coff_section_tdata *) ((*sym_hash)->root.u.def.section )->used_by_bfd)->comdat != NULL((void*)0) |
| 451 | && strcmp (coff_section_data (abfd, (*sym_hash)->root.u.def.section)((struct coff_section_tdata *) ((*sym_hash)->root.u.def.section )->used_by_bfd)->comdat->name, |
| 452 | coff_section_data (abfd, section)((struct coff_section_tdata *) (section)->used_by_bfd)->comdat->name) == 0) |
| 453 | addit = FALSE0; |
| 454 | } |
| 455 | |
| 456 | if (addit) |
| 457 | { |
| 458 | if (! (bfd_coff_link_add_one_symbol((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_link_add_one_symbol) (info, abfd, name, flags , section, value, (const char *) ((void*)0), copy, 0, (struct bfd_link_hash_entry **) sym_hash)) |
| 459 | (info, abfd, name, flags, section, value,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_link_add_one_symbol) (info, abfd, name, flags , section, value, (const char *) ((void*)0), copy, 0, (struct bfd_link_hash_entry **) sym_hash)) |
| 460 | (const char *) NULL, copy, FALSE,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_link_add_one_symbol) (info, abfd, name, flags , section, value, (const char *) ((void*)0), copy, 0, (struct bfd_link_hash_entry **) sym_hash)) |
| 461 | (struct bfd_link_hash_entry **) sym_hash)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_link_add_one_symbol) (info, abfd, name, flags , section, value, (const char *) ((void*)0), copy, 0, (struct bfd_link_hash_entry **) sym_hash)))) |
| 462 | goto error_return; |
| 463 | } |
| 464 | |
| 465 | if (obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe) && (flags & BSF_SECTION_SYM0x100) != 0) |
| 466 | (*sym_hash)->coff_link_hash_flags |= |
| 467 | COFF_LINK_HASH_PE_SECTION_SYMBOL(01); |
| 468 | |
| 469 | /* Limit the alignment of a common symbol to the possible |
| 470 | alignment of a section. There is no point to permitting |
| 471 | a higher alignment for a common symbol: we can not |
| 472 | guarantee it, and it may cause us to allocate extra space |
| 473 | in the common section. */ |
| 474 | if (section == bfd_com_section_ptr((asection *) &bfd_com_section) |
| 475 | && (*sym_hash)->root.type == bfd_link_hash_common |
| 476 | && ((*sym_hash)->root.u.c.p->alignment_power |
| 477 | > bfd_coff_default_section_alignment_power (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_default_section_alignment_power))) |
| 478 | (*sym_hash)->root.u.c.p->alignment_power |
| 479 | = bfd_coff_default_section_alignment_power (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_default_section_alignment_power); |
| 480 | |
| 481 | if (info->hash->creator->flavour == bfd_get_flavour (abfd)((abfd)->xvec->flavour)) |
| 482 | { |
| 483 | /* If we don't have any symbol information currently in |
| 484 | the hash table, or if we are looking at a symbol |
| 485 | definition, then update the symbol class and type in |
| 486 | the hash table. */ |
| 487 | if (((*sym_hash)->class == C_NULL0 |
| 488 | && (*sym_hash)->type == T_NULL0) |
| 489 | || sym.n_scnum != 0 |
| 490 | || (sym.n_value != 0 |
| 491 | && (*sym_hash)->root.type != bfd_link_hash_defined |
| 492 | && (*sym_hash)->root.type != bfd_link_hash_defweak)) |
| 493 | { |
| 494 | (*sym_hash)->class = sym.n_sclass; |
| 495 | if (sym.n_type != T_NULL0) |
| 496 | { |
| 497 | /* We want to warn if the type changed, but not |
| 498 | if it changed from an unspecified type. |
| 499 | Testing the whole type byte may work, but the |
| 500 | change from (e.g.) a function of unspecified |
| 501 | type to function of known type also wants to |
| 502 | skip the warning. */ |
| 503 | if ((*sym_hash)->type != T_NULL0 |
| 504 | && (*sym_hash)->type != sym.n_type |
| 505 | && !(DTYPE ((*sym_hash)->type)((((*sym_hash)->type) & n_tmask) >> n_btshft) == DTYPE (sym.n_type)(((sym.n_type) & n_tmask) >> n_btshft) |
| 506 | && (BTYPE ((*sym_hash)->type)(((*sym_hash)->type) & n_btmask) == T_NULL0 |
| 507 | || BTYPE (sym.n_type)((sym.n_type) & n_btmask) == T_NULL0))) |
| 508 | (*_bfd_error_handler) |
| 509 | (_("Warning: type of symbol `%s' changed from %d to %d in %B")("Warning: type of symbol `%s' changed from %d to %d in %B"), |
| 510 | abfd, name, (*sym_hash)->type, sym.n_type); |
| 511 | |
| 512 | /* We don't want to change from a meaningful |
| 513 | base type to a null one, but if we know |
| 514 | nothing, take what little we might now know. */ |
| 515 | if (BTYPE (sym.n_type)((sym.n_type) & n_btmask) != T_NULL0 |
| 516 | || (*sym_hash)->type == T_NULL0) |
| 517 | (*sym_hash)->type = sym.n_type; |
| 518 | } |
| 519 | (*sym_hash)->auxbfd = abfd; |
| 520 | if (sym.n_numaux != 0) |
| 521 | { |
| 522 | union internal_auxent *alloc; |
| 523 | unsigned int i; |
| 524 | bfd_byte *eaux; |
| 525 | union internal_auxent *iaux; |
| 526 | |
| 527 | (*sym_hash)->numaux = sym.n_numaux; |
| 528 | alloc = ((union internal_auxent *) |
| 529 | bfd_hash_allocate (&info->hash->table, |
| 530 | (sym.n_numaux |
| 531 | * sizeof (*alloc)))); |
| 532 | if (alloc == NULL((void*)0)) |
| 533 | goto error_return; |
| 534 | for (i = 0, eaux = esym + symesz, iaux = alloc; |
| 535 | i < sym.n_numaux; |
| 536 | i++, eaux += symesz, iaux++) |
| 537 | bfd_coff_swap_aux_in (abfd, eaux, sym.n_type,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (abfd,eaux,sym.n_type,sym.n_sclass ,(int) i,sym.n_numaux,iaux)) |
| 538 | sym.n_sclass, (int) i,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (abfd,eaux,sym.n_type,sym.n_sclass ,(int) i,sym.n_numaux,iaux)) |
| 539 | sym.n_numaux, iaux)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (abfd,eaux,sym.n_type,sym.n_sclass ,(int) i,sym.n_numaux,iaux)); |
| 540 | (*sym_hash)->aux = alloc; |
| 541 | } |
| 542 | } |
| 543 | } |
| 544 | |
| 545 | if (classification == COFF_SYMBOL_PE_SECTION |
| 546 | && (*sym_hash)->numaux != 0) |
| 547 | { |
| 548 | /* Some PE sections (such as .bss) have a zero size in |
| 549 | the section header, but a non-zero size in the AUX |
| 550 | record. Correct that here. |
| 551 | |
| 552 | FIXME: This is not at all the right place to do this. |
| 553 | For example, it won't help objdump. This needs to be |
| 554 | done when we swap in the section header. */ |
| 555 | BFD_ASSERT ((*sym_hash)->numaux == 1)do { if (!((*sym_hash)->numaux == 1)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" ,555); } while (0); |
| 556 | if (section->size == 0) |
| 557 | section->size = (*sym_hash)->aux[0].x_scn.x_scnlen; |
| 558 | |
| 559 | /* FIXME: We could test whether the section sizes |
| 560 | matches the size in the aux entry, but apparently |
| 561 | that sometimes fails unexpectedly. */ |
| 562 | } |
| 563 | } |
| 564 | |
| 565 | esym += (sym.n_numaux + 1) * symesz; |
| 566 | sym_hash += sym.n_numaux + 1; |
| 567 | } |
| 568 | |
| 569 | /* If this is a non-traditional, non-relocatable link, try to |
| 570 | optimize the handling of any .stab/.stabstr sections. */ |
| 571 | if (! info->relocatable |
| 572 | && ! info->traditional_format |
| 573 | && info->hash->creator->flavour == bfd_get_flavour (abfd)((abfd)->xvec->flavour) |
| 574 | && (info->strip != strip_all && info->strip != strip_debugger)) |
| 575 | { |
| 576 | asection *stabstr; |
| 577 | |
| 578 | stabstr = bfd_get_section_by_name (abfd, ".stabstr"); |
| 579 | |
| 580 | if (stabstr != NULL((void*)0)) |
| 581 | { |
| 582 | bfd_size_type string_offset = 0; |
| 583 | asection *stab; |
| 584 | |
| 585 | for (stab = abfd->sections; stab; stab = stab->next) |
| 586 | if (strncmp (".stab", stab->name, 5) == 0 |
| 587 | && (!stab->name[5] |
| 588 | || (stab->name[5] == '.' && ISDIGIT (stab->name[6])(_sch_istable[(stab->name[6]) & 0xff] & (unsigned short )(_sch_isdigit))))) |
| 589 | { |
| 590 | struct coff_link_hash_table *table; |
| 591 | struct coff_section_tdata *secdata |
| 592 | = coff_section_data (abfd, stab)((struct coff_section_tdata *) (stab)->used_by_bfd); |
| 593 | |
| 594 | if (secdata == NULL((void*)0)) |
| 595 | { |
| 596 | amt = sizeof (struct coff_section_tdata); |
| 597 | stab->used_by_bfd = bfd_zalloc (abfd, amt); |
| 598 | if (stab->used_by_bfd == NULL((void*)0)) |
| 599 | goto error_return; |
| 600 | secdata = coff_section_data (abfd, stab)((struct coff_section_tdata *) (stab)->used_by_bfd); |
| 601 | } |
| 602 | |
| 603 | table = coff_hash_table (info)((struct coff_link_hash_table *) ((info)->hash)); |
| 604 | |
| 605 | if (! _bfd_link_section_stabs (abfd, &table->stab_info, |
| 606 | stab, stabstr, |
| 607 | &secdata->stab_info, |
| 608 | &string_offset)) |
| 609 | goto error_return; |
| 610 | } |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | obj_coff_keep_syms (abfd)(((abfd)->tdata.coff_obj_data)->keep_syms) = keep_syms; |
| 615 | |
| 616 | return TRUE1; |
| 617 | |
| 618 | error_return: |
| 619 | obj_coff_keep_syms (abfd)(((abfd)->tdata.coff_obj_data)->keep_syms) = keep_syms; |
| 620 | return FALSE0; |
| 621 | } |
| 622 | |
| 623 | /* Do the final link step. */ |
| 624 | |
| 625 | bfd_boolean |
| 626 | _bfd_coff_final_link (bfd *abfd, |
| 627 | struct bfd_link_info *info) |
| 628 | { |
| 629 | bfd_size_type symesz; |
| 630 | struct coff_final_link_info finfo; |
| 631 | bfd_boolean debug_merge_allocated; |
| 632 | bfd_boolean long_section_names; |
| 633 | asection *o; |
| 634 | struct bfd_link_order *p; |
| 635 | bfd_size_type max_sym_count; |
| 636 | bfd_size_type max_lineno_count; |
| 637 | bfd_size_type max_reloc_count; |
| 638 | bfd_size_type max_output_reloc_count; |
| 639 | bfd_size_type max_contents_size; |
| 640 | file_ptr rel_filepos; |
| 641 | unsigned int relsz; |
| 642 | file_ptr line_filepos; |
| 643 | unsigned int linesz; |
| 644 | bfd *sub; |
| 645 | bfd_byte *external_relocs = NULL((void*)0); |
| 646 | char strbuf[STRING_SIZE_SIZE4]; |
| 647 | bfd_size_type amt; |
| 648 | |
| 649 | symesz = bfd_coff_symesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_symesz); |
| 650 | |
| 651 | finfo.info = info; |
| 652 | finfo.output_bfd = abfd; |
| 653 | finfo.strtab = NULL((void*)0); |
| 654 | finfo.section_info = NULL((void*)0); |
| 655 | finfo.last_file_index = -1; |
| 656 | finfo.last_bf_index = -1; |
| 657 | finfo.internal_syms = NULL((void*)0); |
| 658 | finfo.sec_ptrs = NULL((void*)0); |
| 659 | finfo.sym_indices = NULL((void*)0); |
| 660 | finfo.outsyms = NULL((void*)0); |
| 661 | finfo.linenos = NULL((void*)0); |
| 662 | finfo.contents = NULL((void*)0); |
| 663 | finfo.external_relocs = NULL((void*)0); |
| 664 | finfo.internal_relocs = NULL((void*)0); |
| 665 | finfo.global_to_static = FALSE0; |
| 666 | debug_merge_allocated = FALSE0; |
| 667 | |
| 668 | coff_data (abfd)((abfd)->tdata.coff_obj_data)->link_info = info; |
| 669 | |
| 670 | finfo.strtab = _bfd_stringtab_init (); |
| 671 | if (finfo.strtab == NULL((void*)0)) |
| 672 | goto error_return; |
| 673 | |
| 674 | if (! coff_debug_merge_hash_table_init (&finfo.debug_merge)(bfd_hash_table_init (&(&finfo.debug_merge)->root, _bfd_coff_debug_merge_hash_newfunc, sizeof (struct coff_debug_merge_hash_entry )))) |
| 675 | goto error_return; |
| 676 | debug_merge_allocated = TRUE1; |
| 677 | |
| 678 | /* Compute the file positions for all the sections. */ |
| 679 | if (! abfd->output_has_begun) |
| 680 | { |
| 681 | if (! bfd_coff_compute_section_file_positions (abfd)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_compute_section_file_positions) (abfd))) |
| 682 | goto error_return; |
| 683 | } |
| 684 | |
| 685 | /* Count the line numbers and relocation entries required for the |
| 686 | output file. Set the file positions for the relocs. */ |
| 687 | rel_filepos = obj_relocbase (abfd)(((abfd)->tdata.coff_obj_data)->relocbase); |
| 688 | relsz = bfd_coff_relsz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_relsz); |
| 689 | max_contents_size = 0; |
| 690 | max_lineno_count = 0; |
| 691 | max_reloc_count = 0; |
| 692 | |
| 693 | long_section_names = FALSE0; |
| 694 | for (o = abfd->sections; o != NULL((void*)0); o = o->next) |
| 695 | { |
| 696 | o->reloc_count = 0; |
| 697 | o->lineno_count = 0; |
| 698 | for (p = o->map_head.link_order; p != NULL((void*)0); p = p->next) |
| 699 | { |
| 700 | if (p->type == bfd_indirect_link_order) |
| 701 | { |
| 702 | asection *sec; |
| 703 | |
| 704 | sec = p->u.indirect.section; |
| 705 | |
| 706 | /* Mark all sections which are to be included in the |
| 707 | link. This will normally be every section. We need |
| 708 | to do this so that we can identify any sections which |
| 709 | the linker has decided to not include. */ |
| 710 | sec->linker_mark = TRUE1; |
| 711 | |
| 712 | if (info->strip == strip_none |
| 713 | || info->strip == strip_some) |
| 714 | o->lineno_count += sec->lineno_count; |
| 715 | |
| 716 | if (info->relocatable) |
| 717 | o->reloc_count += sec->reloc_count; |
| 718 | |
| 719 | if (sec->rawsize > max_contents_size) |
| 720 | max_contents_size = sec->rawsize; |
| 721 | if (sec->size > max_contents_size) |
| 722 | max_contents_size = sec->size; |
| 723 | if (sec->lineno_count > max_lineno_count) |
| 724 | max_lineno_count = sec->lineno_count; |
| 725 | if (sec->reloc_count > max_reloc_count) |
| 726 | max_reloc_count = sec->reloc_count; |
| 727 | } |
| 728 | else if (info->relocatable |
| 729 | && (p->type == bfd_section_reloc_link_order |
| 730 | || p->type == bfd_symbol_reloc_link_order)) |
| 731 | ++o->reloc_count; |
| 732 | } |
| 733 | if (o->reloc_count == 0) |
| 734 | o->rel_filepos = 0; |
| 735 | else |
| 736 | { |
| 737 | o->flags |= SEC_RELOC0x004; |
| 738 | o->rel_filepos = rel_filepos; |
| 739 | rel_filepos += o->reloc_count * relsz; |
| 740 | /* In PE COFF, if there are at least 0xffff relocations an |
| 741 | extra relocation will be written out to encode the count. */ |
| 742 | if (obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe) && o->reloc_count >= 0xffff) |
| 743 | rel_filepos += relsz; |
| 744 | } |
| 745 | |
| 746 | if (bfd_coff_long_section_names (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_coff_long_section_names) |
| 747 | && strlen (o->name) > SCNNMLEN(8)) |
| 748 | { |
| 749 | /* This section has a long name which must go in the string |
| 750 | table. This must correspond to the code in |
| 751 | coff_write_object_contents which puts the string index |
| 752 | into the s_name field of the section header. That is why |
| 753 | we pass hash as FALSE. */ |
| 754 | if (_bfd_stringtab_add (finfo.strtab, o->name, FALSE0, FALSE0) |
| 755 | == (bfd_size_type) -1) |
| 756 | goto error_return; |
| 757 | long_section_names = TRUE1; |
| 758 | } |
| 759 | } |
| 760 | |
| 761 | /* If doing a relocatable link, allocate space for the pointers we |
| 762 | need to keep. */ |
| 763 | if (info->relocatable) |
| 764 | { |
| 765 | unsigned int i; |
| 766 | |
| 767 | /* We use section_count + 1, rather than section_count, because |
| 768 | the target_index fields are 1 based. */ |
| 769 | amt = abfd->section_count + 1; |
| 770 | amt *= sizeof (struct coff_link_section_info); |
| 771 | finfo.section_info = bfd_malloc (amt); |
| 772 | if (finfo.section_info == NULL((void*)0)) |
| 773 | goto error_return; |
| 774 | for (i = 0; i <= abfd->section_count; i++) |
| 775 | { |
| 776 | finfo.section_info[i].relocs = NULL((void*)0); |
| 777 | finfo.section_info[i].rel_hashes = NULL((void*)0); |
| 778 | } |
| 779 | } |
| 780 | |
| 781 | /* We now know the size of the relocs, so we can determine the file |
| 782 | positions of the line numbers. */ |
| 783 | line_filepos = rel_filepos; |
| 784 | linesz = bfd_coff_linesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_linesz); |
| 785 | max_output_reloc_count = 0; |
| 786 | for (o = abfd->sections; o != NULL((void*)0); o = o->next) |
| 787 | { |
| 788 | if (o->lineno_count == 0) |
| 789 | o->line_filepos = 0; |
| 790 | else |
| 791 | { |
| 792 | o->line_filepos = line_filepos; |
| 793 | line_filepos += o->lineno_count * linesz; |
| 794 | } |
| 795 | |
| 796 | if (o->reloc_count != 0) |
| 797 | { |
| 798 | /* We don't know the indices of global symbols until we have |
| 799 | written out all the local symbols. For each section in |
| 800 | the output file, we keep an array of pointers to hash |
| 801 | table entries. Each entry in the array corresponds to a |
| 802 | reloc. When we find a reloc against a global symbol, we |
| 803 | set the corresponding entry in this array so that we can |
| 804 | fix up the symbol index after we have written out all the |
| 805 | local symbols. |
| 806 | |
| 807 | Because of this problem, we also keep the relocs in |
| 808 | memory until the end of the link. This wastes memory, |
| 809 | but only when doing a relocatable link, which is not the |
| 810 | common case. */ |
| 811 | BFD_ASSERT (info->relocatable)do { if (!(info->relocatable)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" ,811); } while (0); |
| 812 | amt = o->reloc_count; |
| 813 | amt *= sizeof (struct internal_reloc); |
| 814 | finfo.section_info[o->target_index].relocs = bfd_malloc (amt); |
| 815 | amt = o->reloc_count; |
| 816 | amt *= sizeof (struct coff_link_hash_entry *); |
| 817 | finfo.section_info[o->target_index].rel_hashes = bfd_malloc (amt); |
| 818 | if (finfo.section_info[o->target_index].relocs == NULL((void*)0) |
| 819 | || finfo.section_info[o->target_index].rel_hashes == NULL((void*)0)) |
| 820 | goto error_return; |
| 821 | |
| 822 | if (o->reloc_count > max_output_reloc_count) |
| 823 | max_output_reloc_count = o->reloc_count; |
| 824 | } |
| 825 | |
| 826 | /* Reset the reloc and lineno counts, so that we can use them to |
| 827 | count the number of entries we have output so far. */ |
| 828 | o->reloc_count = 0; |
| 829 | o->lineno_count = 0; |
| 830 | } |
| 831 | |
| 832 | obj_sym_filepos (abfd)(((abfd)->tdata.coff_obj_data)->sym_filepos) = line_filepos; |
| 833 | |
| 834 | /* Figure out the largest number of symbols in an input BFD. Take |
| 835 | the opportunity to clear the output_has_begun fields of all the |
| 836 | input BFD's. */ |
| 837 | max_sym_count = 0; |
| 838 | for (sub = info->input_bfds; sub != NULL((void*)0); sub = sub->link_next) |
| 839 | { |
| 840 | size_t sz; |
| 841 | |
| 842 | sub->output_has_begun = FALSE0; |
| 843 | sz = obj_raw_syment_count (sub)(((sub)->tdata.coff_obj_data)->raw_syment_count); |
| 844 | if (sz > max_sym_count) |
| 845 | max_sym_count = sz; |
| 846 | } |
| 847 | |
| 848 | /* Allocate some buffers used while linking. */ |
| 849 | amt = max_sym_count * sizeof (struct internal_syment); |
| 850 | finfo.internal_syms = bfd_malloc (amt); |
| 851 | amt = max_sym_count * sizeof (asection *); |
| 852 | finfo.sec_ptrs = bfd_malloc (amt); |
| 853 | amt = max_sym_count * sizeof (long); |
| 854 | finfo.sym_indices = bfd_malloc (amt); |
| 855 | finfo.outsyms = bfd_malloc ((max_sym_count + 1) * symesz); |
| 856 | amt = max_lineno_count * bfd_coff_linesz (abfd)(((bfd_coff_backend_data *) (abfd)->xvec->backend_data) ->_bfd_linesz); |
| 857 | finfo.linenos = bfd_malloc (amt); |
| 858 | finfo.contents = bfd_malloc (max_contents_size); |
| 859 | amt = max_reloc_count * relsz; |
| 860 | finfo.external_relocs = bfd_malloc (amt); |
| 861 | if (! info->relocatable) |
| 862 | { |
| 863 | amt = max_reloc_count * sizeof (struct internal_reloc); |
| 864 | finfo.internal_relocs = bfd_malloc (amt); |
| 865 | } |
| 866 | if ((finfo.internal_syms == NULL((void*)0) && max_sym_count > 0) |
| 867 | || (finfo.sec_ptrs == NULL((void*)0) && max_sym_count > 0) |
| 868 | || (finfo.sym_indices == NULL((void*)0) && max_sym_count > 0) |
| 869 | || finfo.outsyms == NULL((void*)0) |
| 870 | || (finfo.linenos == NULL((void*)0) && max_lineno_count > 0) |
| 871 | || (finfo.contents == NULL((void*)0) && max_contents_size > 0) |
| 872 | || (finfo.external_relocs == NULL((void*)0) && max_reloc_count > 0) |
| 873 | || (! info->relocatable |
| 874 | && finfo.internal_relocs == NULL((void*)0) |
| 875 | && max_reloc_count > 0)) |
| 876 | goto error_return; |
| 877 | |
| 878 | /* We now know the position of everything in the file, except that |
| 879 | we don't know the size of the symbol table and therefore we don't |
| 880 | know where the string table starts. We just build the string |
| 881 | table in memory as we go along. We process all the relocations |
| 882 | for a single input file at once. */ |
| 883 | obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count) = 0; |
| 884 | |
| 885 | if (coff_backend_info (abfd)((bfd_coff_backend_data *) (abfd)->xvec->backend_data)->_bfd_coff_start_final_link) |
| 886 | { |
| 887 | if (! bfd_coff_start_final_link (abfd, info)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_start_final_link) (abfd, info))) |
| 888 | goto error_return; |
| 889 | } |
| 890 | |
| 891 | for (o = abfd->sections; o != NULL((void*)0); o = o->next) |
| 892 | { |
| 893 | for (p = o->map_head.link_order; p != NULL((void*)0); p = p->next) |
| 894 | { |
| 895 | if (p->type == bfd_indirect_link_order |
| 896 | && bfd_family_coff (p->u.indirect.section->owner)(((p->u.indirect.section->owner)->xvec->flavour) == bfd_target_coff_flavour || ((p->u.indirect.section->owner )->xvec->flavour) == bfd_target_xcoff_flavour)) |
| 897 | { |
| 898 | sub = p->u.indirect.section->owner; |
| 899 | if (! bfd_coff_link_output_has_begun (sub, & finfo)((((bfd_coff_backend_data *) (sub)->xvec->backend_data) ->_bfd_coff_link_output_has_begun) (sub, & finfo))) |
| 900 | { |
| 901 | if (! _bfd_coff_link_input_bfd (&finfo, sub)) |
| 902 | goto error_return; |
| 903 | sub->output_has_begun = TRUE1; |
| 904 | } |
| 905 | } |
| 906 | else if (p->type == bfd_section_reloc_link_order |
| 907 | || p->type == bfd_symbol_reloc_link_order) |
| 908 | { |
| 909 | if (! _bfd_coff_reloc_link_order (abfd, &finfo, o, p)) |
| 910 | goto error_return; |
| 911 | } |
| 912 | else |
| 913 | { |
| 914 | if (! _bfd_default_link_order (abfd, info, o, p)) |
| 915 | goto error_return; |
| 916 | } |
| 917 | } |
| 918 | } |
| 919 | |
| 920 | if (! bfd_coff_final_link_postscript (abfd, & finfo)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_final_link_postscript) (abfd, & finfo))) |
| 921 | goto error_return; |
| 922 | |
| 923 | /* Free up the buffers used by _bfd_coff_link_input_bfd. */ |
| 924 | |
| 925 | coff_debug_merge_hash_table_free (&finfo.debug_merge)(bfd_hash_table_free (&(&finfo.debug_merge)->root) ); |
| 926 | debug_merge_allocated = FALSE0; |
| 927 | |
| 928 | if (finfo.internal_syms != NULL((void*)0)) |
| 929 | { |
| 930 | free (finfo.internal_syms); |
| 931 | finfo.internal_syms = NULL((void*)0); |
| 932 | } |
| 933 | if (finfo.sec_ptrs != NULL((void*)0)) |
| 934 | { |
| 935 | free (finfo.sec_ptrs); |
| 936 | finfo.sec_ptrs = NULL((void*)0); |
| 937 | } |
| 938 | if (finfo.sym_indices != NULL((void*)0)) |
| 939 | { |
| 940 | free (finfo.sym_indices); |
| 941 | finfo.sym_indices = NULL((void*)0); |
| 942 | } |
| 943 | if (finfo.linenos != NULL((void*)0)) |
| 944 | { |
| 945 | free (finfo.linenos); |
| 946 | finfo.linenos = NULL((void*)0); |
| 947 | } |
| 948 | if (finfo.contents != NULL((void*)0)) |
| 949 | { |
| 950 | free (finfo.contents); |
| 951 | finfo.contents = NULL((void*)0); |
| 952 | } |
| 953 | if (finfo.external_relocs != NULL((void*)0)) |
| 954 | { |
| 955 | free (finfo.external_relocs); |
| 956 | finfo.external_relocs = NULL((void*)0); |
| 957 | } |
| 958 | if (finfo.internal_relocs != NULL((void*)0)) |
| 959 | { |
| 960 | free (finfo.internal_relocs); |
| 961 | finfo.internal_relocs = NULL((void*)0); |
| 962 | } |
| 963 | |
| 964 | /* The value of the last C_FILE symbol is supposed to be the symbol |
| 965 | index of the first external symbol. Write it out again if |
| 966 | necessary. */ |
| 967 | if (finfo.last_file_index != -1 |
| 968 | && (unsigned int) finfo.last_file.n_value != obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count)) |
| 969 | { |
| 970 | file_ptr pos; |
| 971 | |
| 972 | finfo.last_file.n_value = obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count); |
| 973 | bfd_coff_swap_sym_out (abfd, &finfo.last_file,((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (abfd, &finfo.last_file, finfo .outsyms)) |
| 974 | finfo.outsyms)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (abfd, &finfo.last_file, finfo .outsyms)); |
| 975 | |
| 976 | pos = obj_sym_filepos (abfd)(((abfd)->tdata.coff_obj_data)->sym_filepos) + finfo.last_file_index * symesz; |
| 977 | if (bfd_seek (abfd, pos, SEEK_SET0) != 0 |
| 978 | || bfd_bwrite (finfo.outsyms, symesz, abfd) != symesz) |
| 979 | return FALSE0; |
| 980 | } |
| 981 | |
| 982 | /* If doing task linking (ld --task-link) then make a pass through the |
| 983 | global symbols, writing out any that are defined, and making them |
| 984 | static. */ |
| 985 | if (info->task_link) |
| 986 | { |
| 987 | finfo.failed = FALSE0; |
| 988 | coff_link_hash_traverse (coff_hash_table (info),(bfd_link_hash_traverse (&(((struct coff_link_hash_table * ) ((info)->hash)))->root, (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (_bfd_coff_write_task_globals), (&finfo))) |
| 989 | _bfd_coff_write_task_globals, &finfo)(bfd_link_hash_traverse (&(((struct coff_link_hash_table * ) ((info)->hash)))->root, (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (_bfd_coff_write_task_globals), (&finfo))); |
| 990 | if (finfo.failed) |
| 991 | goto error_return; |
| 992 | } |
| 993 | |
| 994 | /* Write out the global symbols. */ |
| 995 | finfo.failed = FALSE0; |
| 996 | coff_link_hash_traverse (coff_hash_table (info),(bfd_link_hash_traverse (&(((struct coff_link_hash_table * ) ((info)->hash)))->root, (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (_bfd_coff_write_global_sym), (&finfo))) |
| 997 | _bfd_coff_write_global_sym, &finfo)(bfd_link_hash_traverse (&(((struct coff_link_hash_table * ) ((info)->hash)))->root, (bfd_boolean (*) (struct bfd_link_hash_entry *, void *)) (_bfd_coff_write_global_sym), (&finfo))); |
| 998 | if (finfo.failed) |
| 999 | goto error_return; |
| 1000 | |
| 1001 | /* The outsyms buffer is used by _bfd_coff_write_global_sym. */ |
| 1002 | if (finfo.outsyms != NULL((void*)0)) |
| 1003 | { |
| 1004 | free (finfo.outsyms); |
| 1005 | finfo.outsyms = NULL((void*)0); |
| 1006 | } |
| 1007 | |
| 1008 | if (info->relocatable && max_output_reloc_count > 0) |
| 1009 | { |
| 1010 | /* Now that we have written out all the global symbols, we know |
| 1011 | the symbol indices to use for relocs against them, and we can |
| 1012 | finally write out the relocs. */ |
| 1013 | amt = max_output_reloc_count * relsz; |
| 1014 | external_relocs = bfd_malloc (amt); |
| 1015 | if (external_relocs == NULL((void*)0)) |
| 1016 | goto error_return; |
| 1017 | |
| 1018 | for (o = abfd->sections; o != NULL((void*)0); o = o->next) |
| 1019 | { |
| 1020 | struct internal_reloc *irel; |
| 1021 | struct internal_reloc *irelend; |
| 1022 | struct coff_link_hash_entry **rel_hash; |
| 1023 | bfd_byte *erel; |
| 1024 | |
| 1025 | if (o->reloc_count == 0) |
| 1026 | continue; |
| 1027 | |
| 1028 | irel = finfo.section_info[o->target_index].relocs; |
| 1029 | irelend = irel + o->reloc_count; |
| 1030 | rel_hash = finfo.section_info[o->target_index].rel_hashes; |
| 1031 | erel = external_relocs; |
| 1032 | for (; irel < irelend; irel++, rel_hash++, erel += relsz) |
| 1033 | { |
| 1034 | if (*rel_hash != NULL((void*)0)) |
| 1035 | { |
| 1036 | BFD_ASSERT ((*rel_hash)->indx >= 0)do { if (!((*rel_hash)->indx >= 0)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" ,1036); } while (0); |
| 1037 | irel->r_symndx = (*rel_hash)->indx; |
| 1038 | } |
| 1039 | bfd_coff_swap_reloc_out (abfd, irel, erel)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_reloc_out) (abfd, irel, erel)); |
| 1040 | } |
| 1041 | |
| 1042 | if (bfd_seek (abfd, o->rel_filepos, SEEK_SET0) != 0) |
| 1043 | goto error_return; |
| 1044 | if (obj_pe (abfd)(((abfd)->tdata.coff_obj_data)->pe) && o->reloc_count >= 0xffff) |
| 1045 | { |
| 1046 | /* In PE COFF, write the count of relocs as the first |
| 1047 | reloc. The header overflow bit will be set |
| 1048 | elsewhere. */ |
| 1049 | struct internal_reloc incount; |
| 1050 | bfd_byte *excount = (bfd_byte *)bfd_malloc (relsz); |
| 1051 | |
| 1052 | memset (&incount, 0, sizeof (incount)); |
| 1053 | incount.r_vaddr = o->reloc_count + 1; |
| 1054 | bfd_coff_swap_reloc_out (abfd, (PTR) &incount, (PTR) excount)((((bfd_coff_backend_data *) (abfd)->xvec->backend_data )->_bfd_coff_swap_reloc_out) (abfd, (void *) &incount, (void *) excount)); |
| 1055 | if (bfd_bwrite (excount, relsz, abfd) != relsz) |
| 1056 | /* We'll leak, but it's an error anyway. */ |
| 1057 | goto error_return; |
| 1058 | free (excount); |
| 1059 | } |
| 1060 | if (bfd_bwrite (external_relocs, |
| 1061 | (bfd_size_type) relsz * o->reloc_count, abfd) |
| 1062 | != (bfd_size_type) relsz * o->reloc_count) |
| 1063 | goto error_return; |
| 1064 | } |
| 1065 | |
| 1066 | free (external_relocs); |
| 1067 | external_relocs = NULL((void*)0); |
| 1068 | } |
| 1069 | |
| 1070 | /* Free up the section information. */ |
| 1071 | if (finfo.section_info != NULL((void*)0)) |
| 1072 | { |
| 1073 | unsigned int i; |
| 1074 | |
| 1075 | for (i = 0; i < abfd->section_count; i++) |
| 1076 | { |
| 1077 | if (finfo.section_info[i].relocs != NULL((void*)0)) |
| 1078 | free (finfo.section_info[i].relocs); |
| 1079 | if (finfo.section_info[i].rel_hashes != NULL((void*)0)) |
| 1080 | free (finfo.section_info[i].rel_hashes); |
| 1081 | } |
| 1082 | free (finfo.section_info); |
| 1083 | finfo.section_info = NULL((void*)0); |
| 1084 | } |
| 1085 | |
| 1086 | /* If we have optimized stabs strings, output them. */ |
| 1087 | if (coff_hash_table (info)((struct coff_link_hash_table *) ((info)->hash))->stab_info.stabstr != NULL((void*)0)) |
| 1088 | { |
| 1089 | if (! _bfd_write_stab_strings (abfd, &coff_hash_table (info)((struct coff_link_hash_table *) ((info)->hash))->stab_info)) |
| 1090 | return FALSE0; |
| 1091 | } |
| 1092 | |
| 1093 | /* Write out the string table. */ |
| 1094 | if (obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count) != 0 || long_section_names) |
| 1095 | { |
| 1096 | file_ptr pos; |
| 1097 | |
| 1098 | pos = obj_sym_filepos (abfd)(((abfd)->tdata.coff_obj_data)->sym_filepos) + obj_raw_syment_count (abfd)(((abfd)->tdata.coff_obj_data)->raw_syment_count) * symesz; |
| 1099 | if (bfd_seek (abfd, pos, SEEK_SET0) != 0) |
| 1100 | return FALSE0; |
| 1101 | |
| 1102 | #if STRING_SIZE_SIZE4 == 4 |
| 1103 | H_PUT_32 (abfd,((*((abfd)->xvec->bfd_h_putx32)) (_bfd_stringtab_size ( finfo.strtab) + 4, strbuf)) |
| 1104 | _bfd_stringtab_size (finfo.strtab) + STRING_SIZE_SIZE,((*((abfd)->xvec->bfd_h_putx32)) (_bfd_stringtab_size ( finfo.strtab) + 4, strbuf)) |
| 1105 | strbuf)((*((abfd)->xvec->bfd_h_putx32)) (_bfd_stringtab_size ( finfo.strtab) + 4, strbuf)); |
| 1106 | #else |
| 1107 | #error Change H_PUT_32bfd_h_put_32 above |
| 1108 | #endif |
| 1109 | |
| 1110 | if (bfd_bwrite (strbuf, (bfd_size_type) STRING_SIZE_SIZE4, abfd) |
| 1111 | != STRING_SIZE_SIZE4) |
| 1112 | return FALSE0; |
| 1113 | |
| 1114 | if (! _bfd_stringtab_emit (abfd, finfo.strtab)) |
| 1115 | return FALSE0; |
| 1116 | |
| 1117 | obj_coff_strings_written (abfd)(((abfd)->tdata.coff_obj_data)->strings_written) = TRUE1; |
| 1118 | } |
| 1119 | |
| 1120 | _bfd_stringtab_free (finfo.strtab); |
| 1121 | |
| 1122 | /* Setting bfd_get_symcount to 0 will cause write_object_contents to |
| 1123 | not try to write out the symbols. */ |
| 1124 | bfd_get_symcount (abfd)((abfd)->symcount) = 0; |
| 1125 | |
| 1126 | return TRUE1; |
| 1127 | |
| 1128 | error_return: |
| 1129 | if (debug_merge_allocated) |
| 1130 | coff_debug_merge_hash_table_free (&finfo.debug_merge)(bfd_hash_table_free (&(&finfo.debug_merge)->root) ); |
| 1131 | if (finfo.strtab != NULL((void*)0)) |
| 1132 | _bfd_stringtab_free (finfo.strtab); |
| 1133 | if (finfo.section_info != NULL((void*)0)) |
| 1134 | { |
| 1135 | unsigned int i; |
| 1136 | |
| 1137 | for (i = 0; i < abfd->section_count; i++) |
| 1138 | { |
| 1139 | if (finfo.section_info[i].relocs != NULL((void*)0)) |
| 1140 | free (finfo.section_info[i].relocs); |
| 1141 | if (finfo.section_info[i].rel_hashes != NULL((void*)0)) |
| 1142 | free (finfo.section_info[i].rel_hashes); |
| 1143 | } |
| 1144 | free (finfo.section_info); |
| 1145 | } |
| 1146 | if (finfo.internal_syms != NULL((void*)0)) |
| 1147 | free (finfo.internal_syms); |
| 1148 | if (finfo.sec_ptrs != NULL((void*)0)) |
| 1149 | free (finfo.sec_ptrs); |
| 1150 | if (finfo.sym_indices != NULL((void*)0)) |
| 1151 | free (finfo.sym_indices); |
| 1152 | if (finfo.outsyms != NULL((void*)0)) |
| 1153 | free (finfo.outsyms); |
| 1154 | if (finfo.linenos != NULL((void*)0)) |
| 1155 | free (finfo.linenos); |
| 1156 | if (finfo.contents != NULL((void*)0)) |
| 1157 | free (finfo.contents); |
| 1158 | if (finfo.external_relocs != NULL((void*)0)) |
| 1159 | free (finfo.external_relocs); |
| 1160 | if (finfo.internal_relocs != NULL((void*)0)) |
| 1161 | free (finfo.internal_relocs); |
| 1162 | if (external_relocs != NULL((void*)0)) |
| 1163 | free (external_relocs); |
| 1164 | return FALSE0; |
| 1165 | } |
| 1166 | |
| 1167 | /* Parse out a -heap <reserved>,<commit> line. */ |
| 1168 | |
| 1169 | static char * |
| 1170 | dores_com (char *ptr, bfd *output_bfd, int heap) |
| 1171 | { |
| 1172 | if (coff_data(output_bfd)((output_bfd)->tdata.coff_obj_data)->pe) |
| 1173 | { |
| 1174 | int val = strtoul (ptr, &ptr, 0); |
| 1175 | |
| 1176 | if (heap) |
| 1177 | pe_data(output_bfd)((output_bfd)->tdata.pe_obj_data)->pe_opthdr.SizeOfHeapReserve = val; |
| 1178 | else |
| 1179 | pe_data(output_bfd)((output_bfd)->tdata.pe_obj_data)->pe_opthdr.SizeOfStackReserve = val; |
| 1180 | |
| 1181 | if (ptr[0] == ',') |
| 1182 | { |
| 1183 | val = strtoul (ptr+1, &ptr, 0); |
| 1184 | if (heap) |
| 1185 | pe_data(output_bfd)((output_bfd)->tdata.pe_obj_data)->pe_opthdr.SizeOfHeapCommit = val; |
| 1186 | else |
| 1187 | pe_data(output_bfd)((output_bfd)->tdata.pe_obj_data)->pe_opthdr.SizeOfStackCommit = val; |
| 1188 | } |
| 1189 | } |
| 1190 | return ptr; |
| 1191 | } |
| 1192 | |
| 1193 | static char * |
| 1194 | get_name (char *ptr, char **dst) |
| 1195 | { |
| 1196 | while (*ptr == ' ') |
| 1197 | ptr++; |
| 1198 | *dst = ptr; |
| 1199 | while (*ptr && *ptr != ' ') |
| 1200 | ptr++; |
| 1201 | *ptr = 0; |
| 1202 | return ptr+1; |
| 1203 | } |
| 1204 | |
| 1205 | /* Process any magic embedded commands in a section called .drectve. */ |
| 1206 | |
| 1207 | static int |
| 1208 | process_embedded_commands (bfd *output_bfd, |
| 1209 | struct bfd_link_info *info ATTRIBUTE_UNUSED__attribute__ ((__unused__)), |
| 1210 | bfd *abfd) |
| 1211 | { |
| 1212 | asection *sec = bfd_get_section_by_name (abfd, ".drectve"); |
| 1213 | char *s; |
| 1214 | char *e; |
| 1215 | bfd_byte *copy; |
| 1216 | |
| 1217 | if (!sec) |
| 1218 | return 1; |
| 1219 | |
| 1220 | if (!bfd_malloc_and_get_section (abfd, sec, ©)) |
| 1221 | { |
| 1222 | if (copy != NULL((void*)0)) |
| 1223 | free (copy); |
| 1224 | return 0; |
| 1225 | } |
| 1226 | e = (char *) copy + sec->size; |
| 1227 | |
| 1228 | for (s = (char *) copy; s < e ; ) |
| 1229 | { |
| 1230 | if (s[0] != '-') |
| 1231 | { |
| 1232 | s++; |
| 1233 | continue; |
| 1234 | } |
| 1235 | if (strncmp (s, "-attr", 5) == 0) |
| 1236 | { |
| 1237 | char *name; |
| 1238 | char *attribs; |
| 1239 | asection *asec; |
| 1240 | int loop = 1; |
| 1241 | int had_write = 0; |
| 1242 | int had_read = 0; |
| 1243 | int had_exec= 0; |
| 1244 | int had_shared= 0; |
| 1245 | |
| 1246 | s += 5; |
| 1247 | s = get_name (s, &name); |
| 1248 | s = get_name (s, &attribs); |
| 1249 | |
| 1250 | while (loop) |
| 1251 | { |
| 1252 | switch (*attribs++) |
| 1253 | { |
| 1254 | case 'W': |
| 1255 | had_write = 1; |
| 1256 | break; |
| 1257 | case 'R': |
| 1258 | had_read = 1; |
| 1259 | break; |
| 1260 | case 'S': |
| 1261 | had_shared = 1; |
Value stored to 'had_shared' is never read | |
| 1262 | break; |
| 1263 | case 'X': |
| 1264 | had_exec = 1; |
| 1265 | break; |
| 1266 | default: |
| 1267 | loop = 0; |
| 1268 | } |
| 1269 | } |
| 1270 | asec = bfd_get_section_by_name (abfd, name); |
| 1271 | if (asec) |
| 1272 | { |
| 1273 | if (had_exec) |
| 1274 | asec->flags |= SEC_CODE0x010; |
| 1275 | if (!had_write) |
| 1276 | asec->flags |= SEC_READONLY0x008; |
| 1277 | } |
| 1278 | } |
| 1279 | else if (strncmp (s,"-heap", 5) == 0) |
| 1280 | s = dores_com (s+5, output_bfd, 1); |
| 1281 | |
| 1282 | else if (strncmp (s,"-stack", 6) == 0) |
| 1283 | s = dores_com (s+6, output_bfd, 0); |
| 1284 | |
| 1285 | else |
| 1286 | s++; |
| 1287 | } |
| 1288 | free (copy); |
| 1289 | return 1; |
| 1290 | } |
| 1291 | |
| 1292 | /* Place a marker against all symbols which are used by relocations. |
| 1293 | This marker can be picked up by the 'do we skip this symbol ?' |
| 1294 | loop in _bfd_coff_link_input_bfd() and used to prevent skipping |
| 1295 | that symbol. */ |
| 1296 | |
| 1297 | static void |
| 1298 | mark_relocs (struct coff_final_link_info *finfo, bfd *input_bfd) |
| 1299 | { |
| 1300 | asection * a; |
| 1301 | |
| 1302 | if ((bfd_get_file_flags (input_bfd)((input_bfd)->flags) & HAS_SYMS0x10) == 0) |
| 1303 | return; |
| 1304 | |
| 1305 | for (a = input_bfd->sections; a != (asection *) NULL((void*)0); a = a->next) |
| 1306 | { |
| 1307 | struct internal_reloc * internal_relocs; |
| 1308 | struct internal_reloc * irel; |
| 1309 | struct internal_reloc * irelend; |
| 1310 | |
| 1311 | if ((a->flags & SEC_RELOC0x004) == 0 || a->reloc_count < 1) |
| 1312 | continue; |
| 1313 | /* Don't mark relocs in excluded sections. */ |
| 1314 | if (a->output_section == bfd_abs_section_ptr((asection *) &bfd_abs_section)) |
| 1315 | continue; |
| 1316 | |
| 1317 | /* Read in the relocs. */ |
| 1318 | internal_relocs = _bfd_coff_read_internal_relocs |
| 1319 | (input_bfd, a, FALSE0, |
| 1320 | finfo->external_relocs, |
| 1321 | finfo->info->relocatable, |
| 1322 | (finfo->info->relocatable |
| 1323 | ? (finfo->section_info[ a->output_section->target_index ].relocs + a->output_section->reloc_count) |
| 1324 | : finfo->internal_relocs) |
| 1325 | ); |
| 1326 | |
| 1327 | if (internal_relocs == NULL((void*)0)) |
| 1328 | continue; |
| 1329 | |
| 1330 | irel = internal_relocs; |
| 1331 | irelend = irel + a->reloc_count; |
| 1332 | |
| 1333 | /* Place a mark in the sym_indices array (whose entries have |
| 1334 | been initialised to 0) for all of the symbols that are used |
| 1335 | in the relocation table. This will then be picked up in the |
| 1336 | skip/don't-skip pass. */ |
| 1337 | for (; irel < irelend; irel++) |
| 1338 | finfo->sym_indices[ irel->r_symndx ] = -1; |
| 1339 | } |
| 1340 | } |
| 1341 | |
| 1342 | /* Link an input file into the linker output file. This function |
| 1343 | handles all the sections and relocations of the input file at once. */ |
| 1344 | |
| 1345 | bfd_boolean |
| 1346 | _bfd_coff_link_input_bfd (struct coff_final_link_info *finfo, bfd *input_bfd) |
| 1347 | { |
| 1348 | unsigned int n_tmask = coff_data (input_bfd)((input_bfd)->tdata.coff_obj_data)->local_n_tmask; |
| 1349 | unsigned int n_btshft = coff_data (input_bfd)((input_bfd)->tdata.coff_obj_data)->local_n_btshft; |
| 1350 | bfd_boolean (*adjust_symndx) |
| 1351 | (bfd *, struct bfd_link_info *, bfd *, asection *, |
| 1352 | struct internal_reloc *, bfd_boolean *); |
| 1353 | bfd *output_bfd; |
| 1354 | const char *strings; |
| 1355 | bfd_size_type syment_base; |
| 1356 | bfd_boolean copy, hash; |
| 1357 | bfd_size_type isymesz; |
| 1358 | bfd_size_type osymesz; |
| 1359 | bfd_size_type linesz; |
| 1360 | bfd_byte *esym; |
| 1361 | bfd_byte *esym_end; |
| 1362 | struct internal_syment *isymp; |
| 1363 | asection **secpp; |
| 1364 | long *indexp; |
| 1365 | unsigned long output_index; |
| 1366 | bfd_byte *outsym; |
| 1367 | struct coff_link_hash_entry **sym_hash; |
| 1368 | asection *o; |
| 1369 | |
| 1370 | /* Move all the symbols to the output file. */ |
| 1371 | |
| 1372 | output_bfd = finfo->output_bfd; |
| 1373 | strings = NULL((void*)0); |
| 1374 | syment_base = obj_raw_syment_count (output_bfd)(((output_bfd)->tdata.coff_obj_data)->raw_syment_count); |
| 1375 | isymesz = bfd_coff_symesz (input_bfd)(((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_symesz); |
| 1376 | osymesz = bfd_coff_symesz (output_bfd)(((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_symesz); |
| 1377 | linesz = bfd_coff_linesz (input_bfd)(((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_linesz); |
| 1378 | BFD_ASSERT (linesz == bfd_coff_linesz (output_bfd))do { if (!(linesz == (((bfd_coff_backend_data *) (output_bfd) ->xvec->backend_data)->_bfd_linesz))) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" ,1378); } while (0); |
| 1379 | |
| 1380 | copy = FALSE0; |
| 1381 | if (! finfo->info->keep_memory) |
| 1382 | copy = TRUE1; |
| 1383 | hash = TRUE1; |
| 1384 | if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT0x400) != 0) |
| 1385 | hash = FALSE0; |
| 1386 | |
| 1387 | if (! _bfd_coff_get_external_symbols (input_bfd)) |
| 1388 | return FALSE0; |
| 1389 | |
| 1390 | esym = (bfd_byte *) obj_coff_external_syms (input_bfd)(((input_bfd)->tdata.coff_obj_data)->external_syms); |
| 1391 | esym_end = esym + obj_raw_syment_count (input_bfd)(((input_bfd)->tdata.coff_obj_data)->raw_syment_count) * isymesz; |
| 1392 | isymp = finfo->internal_syms; |
| 1393 | secpp = finfo->sec_ptrs; |
| 1394 | indexp = finfo->sym_indices; |
| 1395 | output_index = syment_base; |
| 1396 | outsym = finfo->outsyms; |
| 1397 | |
| 1398 | if (coff_data (output_bfd)((output_bfd)->tdata.coff_obj_data)->pe |
| 1399 | && ! process_embedded_commands (output_bfd, finfo->info, input_bfd)) |
| 1400 | return FALSE0; |
| 1401 | |
| 1402 | /* If we are going to perform relocations and also strip/discard some |
| 1403 | symbols then we must make sure that we do not strip/discard those |
| 1404 | symbols that are going to be involved in the relocations. */ |
| 1405 | if (( finfo->info->strip != strip_none |
| 1406 | || finfo->info->discard != discard_none) |
| 1407 | && finfo->info->relocatable) |
| 1408 | { |
| 1409 | /* Mark the symbol array as 'not-used'. */ |
| 1410 | memset (indexp, 0, obj_raw_syment_count (input_bfd)(((input_bfd)->tdata.coff_obj_data)->raw_syment_count) * sizeof * indexp); |
| 1411 | |
| 1412 | mark_relocs (finfo, input_bfd); |
| 1413 | } |
| 1414 | |
| 1415 | while (esym < esym_end) |
| 1416 | { |
| 1417 | struct internal_syment isym; |
| 1418 | enum coff_symbol_classification classification; |
| 1419 | bfd_boolean skip; |
| 1420 | bfd_boolean global; |
| 1421 | bfd_boolean dont_skip_symbol; |
| 1422 | int add; |
| 1423 | |
| 1424 | bfd_coff_swap_sym_in (input_bfd, esym, isymp)((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_in) (input_bfd,esym,isymp)); |
| 1425 | |
| 1426 | /* Make a copy of *isymp so that the relocate_section function |
| 1427 | always sees the original values. This is more reliable than |
| 1428 | always recomputing the symbol value even if we are stripping |
| 1429 | the symbol. */ |
| 1430 | isym = *isymp; |
| 1431 | |
| 1432 | classification = bfd_coff_classify_symbol (input_bfd, &isym)((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_classify_symbol) (input_bfd, &isym)); |
| 1433 | switch (classification) |
| 1434 | { |
| 1435 | default: |
| 1436 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" , 1436, __PRETTY_FUNCTION__); |
| 1437 | case COFF_SYMBOL_GLOBAL: |
| 1438 | case COFF_SYMBOL_PE_SECTION: |
| 1439 | case COFF_SYMBOL_LOCAL: |
| 1440 | *secpp = coff_section_from_bfd_index (input_bfd, isym.n_scnum); |
| 1441 | break; |
| 1442 | case COFF_SYMBOL_COMMON: |
| 1443 | *secpp = bfd_com_section_ptr((asection *) &bfd_com_section); |
| 1444 | break; |
| 1445 | case COFF_SYMBOL_UNDEFINED: |
| 1446 | *secpp = bfd_und_section_ptr((asection *) &bfd_und_section); |
| 1447 | break; |
| 1448 | } |
| 1449 | |
| 1450 | /* Extract the flag indicating if this symbol is used by a |
| 1451 | relocation. */ |
| 1452 | if ((finfo->info->strip != strip_none |
| 1453 | || finfo->info->discard != discard_none) |
| 1454 | && finfo->info->relocatable) |
| 1455 | dont_skip_symbol = *indexp; |
| 1456 | else |
| 1457 | dont_skip_symbol = FALSE0; |
| 1458 | |
| 1459 | *indexp = -1; |
| 1460 | |
| 1461 | skip = FALSE0; |
| 1462 | global = FALSE0; |
| 1463 | add = 1 + isym.n_numaux; |
| 1464 | |
| 1465 | /* If we are stripping all symbols, we want to skip this one. */ |
| 1466 | if (finfo->info->strip == strip_all && ! dont_skip_symbol) |
| 1467 | skip = TRUE1; |
| 1468 | |
| 1469 | if (! skip) |
| 1470 | { |
| 1471 | switch (classification) |
| 1472 | { |
| 1473 | default: |
| 1474 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" , 1474, __PRETTY_FUNCTION__); |
| 1475 | case COFF_SYMBOL_GLOBAL: |
| 1476 | case COFF_SYMBOL_COMMON: |
| 1477 | case COFF_SYMBOL_PE_SECTION: |
| 1478 | /* This is a global symbol. Global symbols come at the |
| 1479 | end of the symbol table, so skip them for now. |
| 1480 | Locally defined function symbols, however, are an |
| 1481 | exception, and are not moved to the end. */ |
| 1482 | global = TRUE1; |
| 1483 | if (! ISFCN (isym.n_type)(((unsigned long) (isym.n_type) & n_tmask) == ((unsigned long ) (2) << n_btshft))) |
| 1484 | skip = TRUE1; |
| 1485 | break; |
| 1486 | |
| 1487 | case COFF_SYMBOL_UNDEFINED: |
| 1488 | /* Undefined symbols are left for the end. */ |
| 1489 | global = TRUE1; |
| 1490 | skip = TRUE1; |
| 1491 | break; |
| 1492 | |
| 1493 | case COFF_SYMBOL_LOCAL: |
| 1494 | /* This is a local symbol. Skip it if we are discarding |
| 1495 | local symbols. */ |
| 1496 | if (finfo->info->discard == discard_all && ! dont_skip_symbol) |
| 1497 | skip = TRUE1; |
| 1498 | break; |
| 1499 | } |
| 1500 | } |
| 1501 | |
| 1502 | #ifndef COFF_WITH_PE |
| 1503 | /* Skip section symbols for sections which are not going to be |
| 1504 | emitted. */ |
| 1505 | if (!skip |
| 1506 | && dont_skip_symbol == 0 |
| 1507 | && isym.n_sclass == C_STAT3 |
| 1508 | && isym.n_type == T_NULL0 |
| 1509 | && isym.n_numaux > 0 |
| 1510 | && (*secpp)->output_section == bfd_abs_section_ptr((asection *) &bfd_abs_section)) |
| 1511 | skip = TRUE1; |
| 1512 | #endif |
| 1513 | |
| 1514 | /* If we stripping debugging symbols, and this is a debugging |
| 1515 | symbol, then skip it. FIXME: gas sets the section to N_ABS |
| 1516 | for some types of debugging symbols; I don't know if this is |
| 1517 | a bug or not. In any case, we handle it here. */ |
| 1518 | if (! skip |
| 1519 | && finfo->info->strip == strip_debugger |
| 1520 | && ! dont_skip_symbol |
| 1521 | && (isym.n_scnum == N_DEBUG((short)-2) |
| 1522 | || (isym.n_scnum == N_ABS((short)-1) |
| 1523 | && (isym.n_sclass == C_AUTO1 |
| 1524 | || isym.n_sclass == C_REG4 |
| 1525 | || isym.n_sclass == C_MOS8 |
| 1526 | || isym.n_sclass == C_MOE16 |
| 1527 | || isym.n_sclass == C_MOU11 |
| 1528 | || isym.n_sclass == C_ARG9 |
| 1529 | || isym.n_sclass == C_REGPARM17 |
| 1530 | || isym.n_sclass == C_FIELD18 |
| 1531 | || isym.n_sclass == C_EOS102)))) |
| 1532 | skip = TRUE1; |
| 1533 | |
| 1534 | /* If some symbols are stripped based on the name, work out the |
| 1535 | name and decide whether to skip this symbol. */ |
| 1536 | if (! skip |
| 1537 | && (finfo->info->strip == strip_some |
| 1538 | || finfo->info->discard == discard_l)) |
| 1539 | { |
| 1540 | const char *name; |
| 1541 | char buf[SYMNMLEN8 + 1]; |
| 1542 | |
| 1543 | name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf); |
| 1544 | if (name == NULL((void*)0)) |
| 1545 | return FALSE0; |
| 1546 | |
| 1547 | if (! dont_skip_symbol |
| 1548 | && ((finfo->info->strip == strip_some |
| 1549 | && (bfd_hash_lookup (finfo->info->keep_hash, name, FALSE0, |
| 1550 | FALSE0) == NULL((void*)0))) |
| 1551 | || (! global |
| 1552 | && finfo->info->discard == discard_l |
| 1553 | && bfd_is_local_label_name (input_bfd, name)((*((input_bfd)->xvec->_bfd_is_local_label_name)) (input_bfd , name))))) |
| 1554 | skip = TRUE1; |
| 1555 | } |
| 1556 | |
| 1557 | /* If this is an enum, struct, or union tag, see if we have |
| 1558 | already output an identical type. */ |
| 1559 | if (! skip |
| 1560 | && (finfo->output_bfd->flags & BFD_TRADITIONAL_FORMAT0x400) == 0 |
| 1561 | && (isym.n_sclass == C_ENTAG15 |
| 1562 | || isym.n_sclass == C_STRTAG10 |
| 1563 | || isym.n_sclass == C_UNTAG12) |
| 1564 | && isym.n_numaux == 1) |
| 1565 | { |
| 1566 | const char *name; |
| 1567 | char buf[SYMNMLEN8 + 1]; |
| 1568 | struct coff_debug_merge_hash_entry *mh; |
| 1569 | struct coff_debug_merge_type *mt; |
| 1570 | union internal_auxent aux; |
| 1571 | struct coff_debug_merge_element **epp; |
| 1572 | bfd_byte *esl, *eslend; |
| 1573 | struct internal_syment *islp; |
| 1574 | bfd_size_type amt; |
| 1575 | |
| 1576 | name = _bfd_coff_internal_syment_name (input_bfd, &isym, buf); |
| 1577 | if (name == NULL((void*)0)) |
| 1578 | return FALSE0; |
| 1579 | |
| 1580 | /* Ignore fake names invented by compiler; treat them all as |
| 1581 | the same name. */ |
| 1582 | if (*name == '~' || *name == '.' || *name == '$' |
| 1583 | || (*name == bfd_get_symbol_leading_char (input_bfd)((input_bfd)->xvec->symbol_leading_char) |
| 1584 | && (name[1] == '~' || name[1] == '.' || name[1] == '$'))) |
| 1585 | name = ""; |
| 1586 | |
| 1587 | mh = coff_debug_merge_hash_lookup (&finfo->debug_merge, name,((struct coff_debug_merge_hash_entry *) bfd_hash_lookup (& (&finfo->debug_merge)->root, (name), (1), (1))) |
| 1588 | TRUE, TRUE)((struct coff_debug_merge_hash_entry *) bfd_hash_lookup (& (&finfo->debug_merge)->root, (name), (1), (1))); |
| 1589 | if (mh == NULL((void*)0)) |
| 1590 | return FALSE0; |
| 1591 | |
| 1592 | /* Allocate memory to hold type information. If this turns |
| 1593 | out to be a duplicate, we pass this address to |
| 1594 | bfd_release. */ |
| 1595 | amt = sizeof (struct coff_debug_merge_type); |
| 1596 | mt = bfd_alloc (input_bfd, amt); |
| 1597 | if (mt == NULL((void*)0)) |
| 1598 | return FALSE0; |
| 1599 | mt->class = isym.n_sclass; |
| 1600 | |
| 1601 | /* Pick up the aux entry, which points to the end of the tag |
| 1602 | entries. */ |
| 1603 | bfd_coff_swap_aux_in (input_bfd, (esym + isymesz),((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (input_bfd,(esym + isymesz),isym .n_type,isym.n_sclass,0,isym.n_numaux,&aux)) |
| 1604 | isym.n_type, isym.n_sclass, 0, isym.n_numaux,((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (input_bfd,(esym + isymesz),isym .n_type,isym.n_sclass,0,isym.n_numaux,&aux)) |
| 1605 | &aux)((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (input_bfd,(esym + isymesz),isym .n_type,isym.n_sclass,0,isym.n_numaux,&aux)); |
| 1606 | |
| 1607 | /* Gather the elements. */ |
| 1608 | epp = &mt->elements; |
| 1609 | mt->elements = NULL((void*)0); |
| 1610 | islp = isymp + 2; |
| 1611 | esl = esym + 2 * isymesz; |
| 1612 | eslend = ((bfd_byte *) obj_coff_external_syms (input_bfd)(((input_bfd)->tdata.coff_obj_data)->external_syms) |
| 1613 | + aux.x_sym.x_fcnary.x_fcn.x_endndx.l * isymesz); |
| 1614 | while (esl < eslend) |
| 1615 | { |
| 1616 | const char *elename; |
| 1617 | char elebuf[SYMNMLEN8 + 1]; |
| 1618 | char *name_copy; |
| 1619 | |
| 1620 | bfd_coff_swap_sym_in (input_bfd, esl, islp)((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_in) (input_bfd,esl,islp)); |
| 1621 | |
| 1622 | amt = sizeof (struct coff_debug_merge_element); |
| 1623 | *epp = bfd_alloc (input_bfd, amt); |
| 1624 | if (*epp == NULL((void*)0)) |
| 1625 | return FALSE0; |
| 1626 | |
| 1627 | elename = _bfd_coff_internal_syment_name (input_bfd, islp, |
| 1628 | elebuf); |
| 1629 | if (elename == NULL((void*)0)) |
| 1630 | return FALSE0; |
| 1631 | |
| 1632 | amt = strlen (elename) + 1; |
| 1633 | name_copy = bfd_alloc (input_bfd, amt); |
| 1634 | if (name_copy == NULL((void*)0)) |
| 1635 | return FALSE0; |
| 1636 | strcpy (name_copy, elename); |
| 1637 | |
| 1638 | (*epp)->name = name_copy; |
| 1639 | (*epp)->type = islp->n_type; |
| 1640 | (*epp)->tagndx = 0; |
| 1641 | if (islp->n_numaux >= 1 |
| 1642 | && islp->n_type != T_NULL0 |
| 1643 | && islp->n_sclass != C_EOS102) |
| 1644 | { |
| 1645 | union internal_auxent eleaux; |
| 1646 | long indx; |
| 1647 | |
| 1648 | bfd_coff_swap_aux_in (input_bfd, (esl + isymesz),((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (input_bfd,(esl + isymesz),islp-> n_type,islp->n_sclass,0,islp->n_numaux,&eleaux)) |
| 1649 | islp->n_type, islp->n_sclass, 0,((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (input_bfd,(esl + isymesz),islp-> n_type,islp->n_sclass,0,islp->n_numaux,&eleaux)) |
| 1650 | islp->n_numaux, &eleaux)((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (input_bfd,(esl + isymesz),islp-> n_type,islp->n_sclass,0,islp->n_numaux,&eleaux)); |
| 1651 | indx = eleaux.x_sym.x_tagndx.l; |
| 1652 | |
| 1653 | /* FIXME: If this tagndx entry refers to a symbol |
| 1654 | defined later in this file, we just ignore it. |
| 1655 | Handling this correctly would be tedious, and may |
| 1656 | not be required. */ |
| 1657 | if (indx > 0 |
| 1658 | && (indx |
| 1659 | < ((esym - |
| 1660 | (bfd_byte *) obj_coff_external_syms (input_bfd)(((input_bfd)->tdata.coff_obj_data)->external_syms)) |
| 1661 | / (long) isymesz))) |
| 1662 | { |
| 1663 | (*epp)->tagndx = finfo->sym_indices[indx]; |
| 1664 | if ((*epp)->tagndx < 0) |
| 1665 | (*epp)->tagndx = 0; |
| 1666 | } |
| 1667 | } |
| 1668 | epp = &(*epp)->next; |
| 1669 | *epp = NULL((void*)0); |
| 1670 | |
| 1671 | esl += (islp->n_numaux + 1) * isymesz; |
| 1672 | islp += islp->n_numaux + 1; |
| 1673 | } |
| 1674 | |
| 1675 | /* See if we already have a definition which matches this |
| 1676 | type. We always output the type if it has no elements, |
| 1677 | for simplicity. */ |
| 1678 | if (mt->elements == NULL((void*)0)) |
| 1679 | bfd_release (input_bfd, mt); |
| 1680 | else |
| 1681 | { |
| 1682 | struct coff_debug_merge_type *mtl; |
| 1683 | |
| 1684 | for (mtl = mh->types; mtl != NULL((void*)0); mtl = mtl->next) |
| 1685 | { |
| 1686 | struct coff_debug_merge_element *me, *mel; |
| 1687 | |
| 1688 | if (mtl->class != mt->class) |
| 1689 | continue; |
| 1690 | |
| 1691 | for (me = mt->elements, mel = mtl->elements; |
| 1692 | me != NULL((void*)0) && mel != NULL((void*)0); |
| 1693 | me = me->next, mel = mel->next) |
| 1694 | { |
| 1695 | if (strcmp (me->name, mel->name) != 0 |
| 1696 | || me->type != mel->type |
| 1697 | || me->tagndx != mel->tagndx) |
| 1698 | break; |
| 1699 | } |
| 1700 | |
| 1701 | if (me == NULL((void*)0) && mel == NULL((void*)0)) |
| 1702 | break; |
| 1703 | } |
| 1704 | |
| 1705 | if (mtl == NULL((void*)0) || (bfd_size_type) mtl->indx >= syment_base) |
| 1706 | { |
| 1707 | /* This is the first definition of this type. */ |
| 1708 | mt->indx = output_index; |
| 1709 | mt->next = mh->types; |
| 1710 | mh->types = mt; |
| 1711 | } |
| 1712 | else |
| 1713 | { |
| 1714 | /* This is a redefinition which can be merged. */ |
| 1715 | bfd_release (input_bfd, mt); |
| 1716 | *indexp = mtl->indx; |
| 1717 | add = (eslend - esym) / isymesz; |
| 1718 | skip = TRUE1; |
| 1719 | } |
| 1720 | } |
| 1721 | } |
| 1722 | |
| 1723 | /* We now know whether we are to skip this symbol or not. */ |
| 1724 | if (! skip) |
| 1725 | { |
| 1726 | /* Adjust the symbol in order to output it. */ |
| 1727 | |
| 1728 | if (isym._n._n_n._n_zeroes == 0 |
| 1729 | && isym._n._n_n._n_offset != 0) |
| 1730 | { |
| 1731 | const char *name; |
| 1732 | bfd_size_type indx; |
| 1733 | |
| 1734 | /* This symbol has a long name. Enter it in the string |
| 1735 | table we are building. Note that we do not check |
| 1736 | bfd_coff_symname_in_debug. That is only true for |
| 1737 | XCOFF, and XCOFF requires different linking code |
| 1738 | anyhow. */ |
| 1739 | name = _bfd_coff_internal_syment_name (input_bfd, &isym, NULL((void*)0)); |
| 1740 | if (name == NULL((void*)0)) |
| 1741 | return FALSE0; |
| 1742 | indx = _bfd_stringtab_add (finfo->strtab, name, hash, copy); |
| 1743 | if (indx == (bfd_size_type) -1) |
| 1744 | return FALSE0; |
| 1745 | isym._n._n_n._n_offset = STRING_SIZE_SIZE4 + indx; |
| 1746 | } |
| 1747 | |
| 1748 | switch (isym.n_sclass) |
| 1749 | { |
| 1750 | case C_AUTO1: |
| 1751 | case C_MOS8: |
| 1752 | case C_EOS102: |
| 1753 | case C_MOE16: |
| 1754 | case C_MOU11: |
| 1755 | case C_UNTAG12: |
| 1756 | case C_STRTAG10: |
| 1757 | case C_ENTAG15: |
| 1758 | case C_TPDEF13: |
| 1759 | case C_ARG9: |
| 1760 | case C_USTATIC14: |
| 1761 | case C_REG4: |
| 1762 | case C_REGPARM17: |
| 1763 | case C_FIELD18: |
| 1764 | /* The symbol value should not be modified. */ |
| 1765 | break; |
| 1766 | |
| 1767 | case C_FCN101: |
| 1768 | if (obj_pe (input_bfd)(((input_bfd)->tdata.coff_obj_data)->pe) |
| 1769 | && strcmp (isym.n_name_n._n_name, ".bf") != 0 |
| 1770 | && isym.n_scnum > 0) |
| 1771 | { |
| 1772 | /* For PE, .lf and .ef get their value left alone, |
| 1773 | while .bf gets relocated. However, they all have |
| 1774 | "real" section numbers, and need to be moved into |
| 1775 | the new section. */ |
| 1776 | isym.n_scnum = (*secpp)->output_section->target_index; |
| 1777 | break; |
| 1778 | } |
| 1779 | /* Fall through. */ |
| 1780 | default: |
| 1781 | case C_LABEL6: /* Not completely sure about these 2 */ |
| 1782 | case C_EXTDEF5: |
| 1783 | case C_BLOCK100: |
| 1784 | case C_EFCN0xff: |
| 1785 | case C_NULL0: |
| 1786 | case C_EXT2: |
| 1787 | case C_STAT3: |
| 1788 | case C_SECTION104: |
| 1789 | case C_NT_WEAK105: |
| 1790 | /* Compute new symbol location. */ |
| 1791 | if (isym.n_scnum > 0) |
| 1792 | { |
| 1793 | isym.n_scnum = (*secpp)->output_section->target_index; |
| 1794 | isym.n_value += (*secpp)->output_offset; |
| 1795 | if (! obj_pe (input_bfd)(((input_bfd)->tdata.coff_obj_data)->pe)) |
| 1796 | isym.n_value -= (*secpp)->vma; |
| 1797 | if (! obj_pe (finfo->output_bfd)(((finfo->output_bfd)->tdata.coff_obj_data)->pe)) |
| 1798 | isym.n_value += (*secpp)->output_section->vma; |
| 1799 | } |
| 1800 | break; |
| 1801 | |
| 1802 | case C_FILE103: |
| 1803 | /* The value of a C_FILE symbol is the symbol index of |
| 1804 | the next C_FILE symbol. The value of the last C_FILE |
| 1805 | symbol is the symbol index to the first external |
| 1806 | symbol (actually, coff_renumber_symbols does not get |
| 1807 | this right--it just sets the value of the last C_FILE |
| 1808 | symbol to zero--and nobody has ever complained about |
| 1809 | it). We try to get this right, below, just before we |
| 1810 | write the symbols out, but in the general case we may |
| 1811 | have to write the symbol out twice. */ |
| 1812 | if (finfo->last_file_index != -1 |
| 1813 | && finfo->last_file.n_value != (bfd_vma) output_index) |
| 1814 | { |
| 1815 | /* We must correct the value of the last C_FILE |
| 1816 | entry. */ |
| 1817 | finfo->last_file.n_value = output_index; |
| 1818 | if ((bfd_size_type) finfo->last_file_index >= syment_base) |
| 1819 | { |
| 1820 | /* The last C_FILE symbol is in this input file. */ |
| 1821 | bfd_coff_swap_sym_out (output_bfd,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , (finfo->outsyms + ((finfo->last_file_index - syment_base ) * osymesz)))) |
| 1822 | &finfo->last_file,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , (finfo->outsyms + ((finfo->last_file_index - syment_base ) * osymesz)))) |
| 1823 | (finfo->outsyms((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , (finfo->outsyms + ((finfo->last_file_index - syment_base ) * osymesz)))) |
| 1824 | + ((finfo->last_file_index((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , (finfo->outsyms + ((finfo->last_file_index - syment_base ) * osymesz)))) |
| 1825 | - syment_base)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , (finfo->outsyms + ((finfo->last_file_index - syment_base ) * osymesz)))) |
| 1826 | * osymesz)))((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , (finfo->outsyms + ((finfo->last_file_index - syment_base ) * osymesz)))); |
| 1827 | } |
| 1828 | else |
| 1829 | { |
| 1830 | file_ptr pos; |
| 1831 | |
| 1832 | /* We have already written out the last C_FILE |
| 1833 | symbol. We need to write it out again. We |
| 1834 | borrow *outsym temporarily. */ |
| 1835 | bfd_coff_swap_sym_out (output_bfd,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , outsym)) |
| 1836 | &finfo->last_file, outsym)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , outsym)); |
| 1837 | pos = obj_sym_filepos (output_bfd)(((output_bfd)->tdata.coff_obj_data)->sym_filepos); |
| 1838 | pos += finfo->last_file_index * osymesz; |
| 1839 | if (bfd_seek (output_bfd, pos, SEEK_SET0) != 0 |
| 1840 | || bfd_bwrite (outsym, osymesz, output_bfd) != osymesz) |
| 1841 | return FALSE0; |
| 1842 | } |
| 1843 | } |
| 1844 | |
| 1845 | finfo->last_file_index = output_index; |
| 1846 | finfo->last_file = isym; |
| 1847 | break; |
| 1848 | } |
| 1849 | |
| 1850 | /* If doing task linking, convert normal global function symbols to |
| 1851 | static functions. */ |
| 1852 | if (finfo->info->task_link && IS_EXTERNAL (input_bfd, isym)((isym).n_sclass == 2 || ((isym).n_sclass == 127 || ((((input_bfd )->tdata.coff_obj_data)->pe) && (isym).n_sclass == 105)))) |
| 1853 | isym.n_sclass = C_STAT3; |
| 1854 | |
| 1855 | /* Output the symbol. */ |
| 1856 | bfd_coff_swap_sym_out (output_bfd, &isym, outsym)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &isym, outsym) ); |
| 1857 | |
| 1858 | *indexp = output_index; |
| 1859 | |
| 1860 | if (global) |
| 1861 | { |
| 1862 | long indx; |
| 1863 | struct coff_link_hash_entry *h; |
| 1864 | |
| 1865 | indx = ((esym - (bfd_byte *) obj_coff_external_syms (input_bfd)(((input_bfd)->tdata.coff_obj_data)->external_syms)) |
| 1866 | / isymesz); |
| 1867 | h = obj_coff_sym_hashes (input_bfd)(((input_bfd)->tdata.coff_obj_data)->sym_hashes)[indx]; |
| 1868 | if (h == NULL((void*)0)) |
| 1869 | { |
| 1870 | /* This can happen if there were errors earlier in |
| 1871 | the link. */ |
| 1872 | bfd_set_error (bfd_error_bad_value); |
| 1873 | return FALSE0; |
| 1874 | } |
| 1875 | h->indx = output_index; |
| 1876 | } |
| 1877 | |
| 1878 | output_index += add; |
| 1879 | outsym += add * osymesz; |
| 1880 | } |
| 1881 | |
| 1882 | esym += add * isymesz; |
| 1883 | isymp += add; |
| 1884 | ++secpp; |
| 1885 | ++indexp; |
| 1886 | for (--add; add > 0; --add) |
| 1887 | { |
| 1888 | *secpp++ = NULL((void*)0); |
| 1889 | *indexp++ = -1; |
| 1890 | } |
| 1891 | } |
| 1892 | |
| 1893 | /* Fix up the aux entries. This must be done in a separate pass, |
| 1894 | because we don't know the correct symbol indices until we have |
| 1895 | already decided which symbols we are going to keep. */ |
| 1896 | esym = (bfd_byte *) obj_coff_external_syms (input_bfd)(((input_bfd)->tdata.coff_obj_data)->external_syms); |
| 1897 | esym_end = esym + obj_raw_syment_count (input_bfd)(((input_bfd)->tdata.coff_obj_data)->raw_syment_count) * isymesz; |
| 1898 | isymp = finfo->internal_syms; |
| 1899 | indexp = finfo->sym_indices; |
| 1900 | sym_hash = obj_coff_sym_hashes (input_bfd)(((input_bfd)->tdata.coff_obj_data)->sym_hashes); |
| 1901 | outsym = finfo->outsyms; |
| 1902 | |
| 1903 | while (esym < esym_end) |
| 1904 | { |
| 1905 | int add; |
| 1906 | |
| 1907 | add = 1 + isymp->n_numaux; |
| 1908 | |
| 1909 | if ((*indexp < 0 |
| 1910 | || (bfd_size_type) *indexp < syment_base) |
| 1911 | && (*sym_hash == NULL((void*)0) |
| 1912 | || (*sym_hash)->auxbfd != input_bfd)) |
| 1913 | esym += add * isymesz; |
| 1914 | else |
| 1915 | { |
| 1916 | struct coff_link_hash_entry *h; |
| 1917 | int i; |
| 1918 | |
| 1919 | h = NULL((void*)0); |
| 1920 | if (*indexp < 0) |
| 1921 | { |
| 1922 | h = *sym_hash; |
| 1923 | |
| 1924 | /* The m68k-motorola-sysv assembler will sometimes |
| 1925 | generate two symbols with the same name, but only one |
| 1926 | will have aux entries. */ |
| 1927 | BFD_ASSERT (isymp->n_numaux == 0do { if (!(isymp->n_numaux == 0 || h->numaux == isymp-> n_numaux)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" ,1928); } while (0) |
| 1928 | || h->numaux == isymp->n_numaux)do { if (!(isymp->n_numaux == 0 || h->numaux == isymp-> n_numaux)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" ,1928); } while (0); |
| 1929 | } |
| 1930 | |
| 1931 | esym += isymesz; |
| 1932 | |
| 1933 | if (h == NULL((void*)0)) |
| 1934 | outsym += osymesz; |
| 1935 | |
| 1936 | /* Handle the aux entries. This handling is based on |
| 1937 | coff_pointerize_aux. I don't know if it always correct. */ |
| 1938 | for (i = 0; i < isymp->n_numaux && esym < esym_end; i++) |
| 1939 | { |
| 1940 | union internal_auxent aux; |
| 1941 | union internal_auxent *auxp; |
| 1942 | |
| 1943 | if (h != NULL((void*)0)) |
| 1944 | auxp = h->aux + i; |
| 1945 | else |
| 1946 | { |
| 1947 | bfd_coff_swap_aux_in (input_bfd, esym, isymp->n_type,((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (input_bfd,esym,isymp->n_type ,isymp->n_sclass,i,isymp->n_numaux,&aux)) |
| 1948 | isymp->n_sclass, i, isymp->n_numaux, &aux)((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (input_bfd,esym,isymp->n_type ,isymp->n_sclass,i,isymp->n_numaux,&aux)); |
| 1949 | auxp = &aux; |
| 1950 | } |
| 1951 | |
| 1952 | if (isymp->n_sclass == C_FILE103) |
| 1953 | { |
| 1954 | /* If this is a long filename, we must put it in the |
| 1955 | string table. */ |
| 1956 | if (auxp->x_file.x_n.x_zeroes == 0 |
| 1957 | && auxp->x_file.x_n.x_offset != 0) |
| 1958 | { |
| 1959 | const char *filename; |
| 1960 | bfd_size_type indx; |
| 1961 | |
| 1962 | BFD_ASSERT (auxp->x_file.x_n.x_offsetdo { if (!(auxp->x_file.x_n.x_offset >= 4)) bfd_assert( "/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c",1963); } while (0) |
| 1963 | >= STRING_SIZE_SIZE)do { if (!(auxp->x_file.x_n.x_offset >= 4)) bfd_assert( "/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c",1963); } while (0); |
| 1964 | if (strings == NULL((void*)0)) |
| 1965 | { |
| 1966 | strings = _bfd_coff_read_string_table (input_bfd); |
| 1967 | if (strings == NULL((void*)0)) |
| 1968 | return FALSE0; |
| 1969 | } |
| 1970 | filename = strings + auxp->x_file.x_n.x_offset; |
| 1971 | indx = _bfd_stringtab_add (finfo->strtab, filename, |
| 1972 | hash, copy); |
| 1973 | if (indx == (bfd_size_type) -1) |
| 1974 | return FALSE0; |
| 1975 | auxp->x_file.x_n.x_offset = STRING_SIZE_SIZE4 + indx; |
| 1976 | } |
| 1977 | } |
| 1978 | else if ((isymp->n_sclass != C_STAT3 || isymp->n_type != T_NULL0) |
| 1979 | && isymp->n_sclass != C_NT_WEAK105) |
| 1980 | { |
| 1981 | unsigned long indx; |
| 1982 | |
| 1983 | if (ISFCN (isymp->n_type)(((unsigned long) (isymp->n_type) & n_tmask) == ((unsigned long) (2) << n_btshft)) |
| 1984 | || ISTAG (isymp->n_sclass)((isymp->n_sclass) == 10 || (isymp->n_sclass) == 12 || ( isymp->n_sclass) == 15) |
| 1985 | || isymp->n_sclass == C_BLOCK100 |
| 1986 | || isymp->n_sclass == C_FCN101) |
| 1987 | { |
| 1988 | indx = auxp->x_sym.x_fcnary.x_fcn.x_endndx.l; |
| 1989 | if (indx > 0 |
| 1990 | && indx < obj_raw_syment_count (input_bfd)(((input_bfd)->tdata.coff_obj_data)->raw_syment_count)) |
| 1991 | { |
| 1992 | /* We look forward through the symbol for |
| 1993 | the index of the next symbol we are going |
| 1994 | to include. I don't know if this is |
| 1995 | entirely right. */ |
| 1996 | while ((finfo->sym_indices[indx] < 0 |
| 1997 | || ((bfd_size_type) finfo->sym_indices[indx] |
| 1998 | < syment_base)) |
| 1999 | && indx < obj_raw_syment_count (input_bfd)(((input_bfd)->tdata.coff_obj_data)->raw_syment_count)) |
| 2000 | ++indx; |
| 2001 | if (indx >= obj_raw_syment_count (input_bfd)(((input_bfd)->tdata.coff_obj_data)->raw_syment_count)) |
| 2002 | indx = output_index; |
| 2003 | else |
| 2004 | indx = finfo->sym_indices[indx]; |
| 2005 | auxp->x_sym.x_fcnary.x_fcn.x_endndx.l = indx; |
| 2006 | } |
| 2007 | } |
| 2008 | |
| 2009 | indx = auxp->x_sym.x_tagndx.l; |
| 2010 | if (indx > 0 && indx < obj_raw_syment_count (input_bfd)(((input_bfd)->tdata.coff_obj_data)->raw_syment_count)) |
| 2011 | { |
| 2012 | long symindx; |
| 2013 | |
| 2014 | symindx = finfo->sym_indices[indx]; |
| 2015 | if (symindx < 0) |
| 2016 | auxp->x_sym.x_tagndx.l = 0; |
| 2017 | else |
| 2018 | auxp->x_sym.x_tagndx.l = symindx; |
| 2019 | } |
| 2020 | |
| 2021 | /* The .bf symbols are supposed to be linked through |
| 2022 | the endndx field. We need to carry this list |
| 2023 | across object files. */ |
| 2024 | if (i == 0 |
| 2025 | && h == NULL((void*)0) |
| 2026 | && isymp->n_sclass == C_FCN101 |
| 2027 | && (isymp->_n._n_n._n_zeroes != 0 |
| 2028 | || isymp->_n._n_n._n_offset == 0) |
| 2029 | && isymp->_n._n_name[0] == '.' |
| 2030 | && isymp->_n._n_name[1] == 'b' |
| 2031 | && isymp->_n._n_name[2] == 'f' |
| 2032 | && isymp->_n._n_name[3] == '\0') |
| 2033 | { |
| 2034 | if (finfo->last_bf_index != -1) |
| 2035 | { |
| 2036 | finfo->last_bf.x_sym.x_fcnary.x_fcn.x_endndx.l = |
| 2037 | *indexp; |
| 2038 | |
| 2039 | if ((bfd_size_type) finfo->last_bf_index |
| 2040 | >= syment_base) |
| 2041 | { |
| 2042 | void *auxout; |
| 2043 | |
| 2044 | /* The last .bf symbol is in this input |
| 2045 | file. This will only happen if the |
| 2046 | assembler did not set up the .bf |
| 2047 | endndx symbols correctly. */ |
| 2048 | auxout = (finfo->outsyms |
| 2049 | + ((finfo->last_bf_index |
| 2050 | - syment_base) |
| 2051 | * osymesz)); |
| 2052 | |
| 2053 | bfd_coff_swap_aux_out (output_bfd,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,auxout )) |
| 2054 | &finfo->last_bf,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,auxout )) |
| 2055 | isymp->n_type,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,auxout )) |
| 2056 | isymp->n_sclass,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,auxout )) |
| 2057 | 0, isymp->n_numaux,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,auxout )) |
| 2058 | auxout)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,auxout )); |
| 2059 | } |
| 2060 | else |
| 2061 | { |
| 2062 | file_ptr pos; |
| 2063 | |
| 2064 | /* We have already written out the last |
| 2065 | .bf aux entry. We need to write it |
| 2066 | out again. We borrow *outsym |
| 2067 | temporarily. FIXME: This case should |
| 2068 | be made faster. */ |
| 2069 | bfd_coff_swap_aux_out (output_bfd,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,outsym )) |
| 2070 | &finfo->last_bf,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,outsym )) |
| 2071 | isymp->n_type,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,outsym )) |
| 2072 | isymp->n_sclass,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,outsym )) |
| 2073 | 0, isymp->n_numaux,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,outsym )) |
| 2074 | outsym)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&finfo->last_bf ,isymp->n_type,isymp->n_sclass,0,isymp->n_numaux,outsym )); |
| 2075 | pos = obj_sym_filepos (output_bfd)(((output_bfd)->tdata.coff_obj_data)->sym_filepos); |
| 2076 | pos += finfo->last_bf_index * osymesz; |
| 2077 | if (bfd_seek (output_bfd, pos, SEEK_SET0) != 0 |
| 2078 | || (bfd_bwrite (outsym, osymesz, output_bfd) |
| 2079 | != osymesz)) |
| 2080 | return FALSE0; |
| 2081 | } |
| 2082 | } |
| 2083 | |
| 2084 | if (auxp->x_sym.x_fcnary.x_fcn.x_endndx.l != 0) |
| 2085 | finfo->last_bf_index = -1; |
| 2086 | else |
| 2087 | { |
| 2088 | /* The endndx field of this aux entry must |
| 2089 | be updated with the symbol number of the |
| 2090 | next .bf symbol. */ |
| 2091 | finfo->last_bf = *auxp; |
| 2092 | finfo->last_bf_index = (((outsym - finfo->outsyms) |
| 2093 | / osymesz) |
| 2094 | + syment_base); |
| 2095 | } |
| 2096 | } |
| 2097 | } |
| 2098 | |
| 2099 | if (h == NULL((void*)0)) |
| 2100 | { |
| 2101 | bfd_coff_swap_aux_out (output_bfd, auxp, isymp->n_type,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,auxp,isymp->n_type ,isymp->n_sclass,i,isymp->n_numaux,outsym)) |
| 2102 | isymp->n_sclass, i, isymp->n_numaux,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,auxp,isymp->n_type ,isymp->n_sclass,i,isymp->n_numaux,outsym)) |
| 2103 | outsym)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,auxp,isymp->n_type ,isymp->n_sclass,i,isymp->n_numaux,outsym)); |
| 2104 | outsym += osymesz; |
| 2105 | } |
| 2106 | |
| 2107 | esym += isymesz; |
| 2108 | } |
| 2109 | } |
| 2110 | |
| 2111 | indexp += add; |
| 2112 | isymp += add; |
| 2113 | sym_hash += add; |
| 2114 | } |
| 2115 | |
| 2116 | /* Relocate the line numbers, unless we are stripping them. */ |
| 2117 | if (finfo->info->strip == strip_none |
| 2118 | || finfo->info->strip == strip_some) |
| 2119 | { |
| 2120 | for (o = input_bfd->sections; o != NULL((void*)0); o = o->next) |
| 2121 | { |
| 2122 | bfd_vma offset; |
| 2123 | bfd_byte *eline; |
| 2124 | bfd_byte *elineend; |
| 2125 | bfd_byte *oeline; |
| 2126 | bfd_boolean skipping; |
| 2127 | file_ptr pos; |
| 2128 | bfd_size_type amt; |
| 2129 | |
| 2130 | /* FIXME: If SEC_HAS_CONTENTS is not for the section, then |
| 2131 | build_link_order in ldwrite.c will not have created a |
| 2132 | link order, which means that we will not have seen this |
| 2133 | input section in _bfd_coff_final_link, which means that |
| 2134 | we will not have allocated space for the line numbers of |
| 2135 | this section. I don't think line numbers can be |
| 2136 | meaningful for a section which does not have |
| 2137 | SEC_HAS_CONTENTS set, but, if they do, this must be |
| 2138 | changed. */ |
| 2139 | if (o->lineno_count == 0 |
| 2140 | || (o->output_section->flags & SEC_HAS_CONTENTS0x100) == 0) |
| 2141 | continue; |
| 2142 | |
| 2143 | if (bfd_seek (input_bfd, o->line_filepos, SEEK_SET0) != 0 |
| 2144 | || bfd_bread (finfo->linenos, linesz * o->lineno_count, |
| 2145 | input_bfd) != linesz * o->lineno_count) |
| 2146 | return FALSE0; |
| 2147 | |
| 2148 | offset = o->output_section->vma + o->output_offset - o->vma; |
| 2149 | eline = finfo->linenos; |
| 2150 | oeline = finfo->linenos; |
| 2151 | elineend = eline + linesz * o->lineno_count; |
| 2152 | skipping = FALSE0; |
| 2153 | for (; eline < elineend; eline += linesz) |
| 2154 | { |
| 2155 | struct internal_lineno iline; |
| 2156 | |
| 2157 | bfd_coff_swap_lineno_in (input_bfd, eline, &iline)((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_swap_lineno_in) (input_bfd,eline,&iline)); |
| 2158 | |
| 2159 | if (iline.l_lnno != 0) |
| 2160 | iline.l_addr.l_paddr += offset; |
| 2161 | else if (iline.l_addr.l_symndx >= 0 |
| 2162 | && ((unsigned long) iline.l_addr.l_symndx |
| 2163 | < obj_raw_syment_count (input_bfd)(((input_bfd)->tdata.coff_obj_data)->raw_syment_count))) |
| 2164 | { |
| 2165 | long indx; |
| 2166 | |
| 2167 | indx = finfo->sym_indices[iline.l_addr.l_symndx]; |
| 2168 | |
| 2169 | if (indx < 0) |
| 2170 | { |
| 2171 | /* These line numbers are attached to a symbol |
| 2172 | which we are stripping. We must discard the |
| 2173 | line numbers because reading them back with |
| 2174 | no associated symbol (or associating them all |
| 2175 | with symbol #0) will fail. We can't regain |
| 2176 | the space in the output file, but at least |
| 2177 | they're dense. */ |
| 2178 | skipping = TRUE1; |
| 2179 | } |
| 2180 | else |
| 2181 | { |
| 2182 | struct internal_syment is; |
| 2183 | union internal_auxent ia; |
| 2184 | |
| 2185 | /* Fix up the lnnoptr field in the aux entry of |
| 2186 | the symbol. It turns out that we can't do |
| 2187 | this when we modify the symbol aux entries, |
| 2188 | because gas sometimes screws up the lnnoptr |
| 2189 | field and makes it an offset from the start |
| 2190 | of the line numbers rather than an absolute |
| 2191 | file index. */ |
| 2192 | bfd_coff_swap_sym_in (output_bfd,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_in) (output_bfd,(finfo->outsyms + ((indx - syment_base) * osymesz)),&is)) |
| 2193 | (finfo->outsyms((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_in) (output_bfd,(finfo->outsyms + ((indx - syment_base) * osymesz)),&is)) |
| 2194 | + ((indx - syment_base)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_in) (output_bfd,(finfo->outsyms + ((indx - syment_base) * osymesz)),&is)) |
| 2195 | * osymesz)), &is)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_in) (output_bfd,(finfo->outsyms + ((indx - syment_base) * osymesz)),&is)); |
| 2196 | if ((ISFCN (is.n_type)(((unsigned long) (is.n_type) & n_tmask) == ((unsigned long ) (2) << n_btshft)) |
| 2197 | || is.n_sclass == C_BLOCK100) |
| 2198 | && is.n_numaux >= 1) |
| 2199 | { |
| 2200 | void *auxptr; |
| 2201 | |
| 2202 | auxptr = (finfo->outsyms |
| 2203 | + ((indx - syment_base + 1) |
| 2204 | * osymesz)); |
| 2205 | bfd_coff_swap_aux_in (output_bfd, auxptr,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (output_bfd,auxptr,is.n_type,is. n_sclass,0,is.n_numaux,&ia)) |
| 2206 | is.n_type, is.n_sclass,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (output_bfd,auxptr,is.n_type,is. n_sclass,0,is.n_numaux,&ia)) |
| 2207 | 0, is.n_numaux, &ia)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_in) (output_bfd,auxptr,is.n_type,is. n_sclass,0,is.n_numaux,&ia)); |
| 2208 | ia.x_sym.x_fcnary.x_fcn.x_lnnoptr = |
| 2209 | (o->output_section->line_filepos |
| 2210 | + o->output_section->lineno_count * linesz |
| 2211 | + eline - finfo->linenos); |
| 2212 | bfd_coff_swap_aux_out (output_bfd, &ia,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&ia,is.n_type,is .n_sclass,0,is.n_numaux,auxptr)) |
| 2213 | is.n_type, is.n_sclass, 0,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&ia,is.n_type,is .n_sclass,0,is.n_numaux,auxptr)) |
| 2214 | is.n_numaux, auxptr)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,&ia,is.n_type,is .n_sclass,0,is.n_numaux,auxptr)); |
| 2215 | } |
| 2216 | |
| 2217 | skipping = FALSE0; |
| 2218 | } |
| 2219 | |
| 2220 | iline.l_addr.l_symndx = indx; |
| 2221 | } |
| 2222 | |
| 2223 | if (!skipping) |
| 2224 | { |
| 2225 | bfd_coff_swap_lineno_out (output_bfd, &iline, oeline)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_lineno_out) (output_bfd, &iline, oeline )); |
| 2226 | oeline += linesz; |
| 2227 | } |
| 2228 | } |
| 2229 | |
| 2230 | pos = o->output_section->line_filepos; |
| 2231 | pos += o->output_section->lineno_count * linesz; |
| 2232 | amt = oeline - finfo->linenos; |
| 2233 | if (bfd_seek (output_bfd, pos, SEEK_SET0) != 0 |
| 2234 | || bfd_bwrite (finfo->linenos, amt, output_bfd) != amt) |
| 2235 | return FALSE0; |
| 2236 | |
| 2237 | o->output_section->lineno_count += amt / linesz; |
| 2238 | } |
| 2239 | } |
| 2240 | |
| 2241 | /* If we swapped out a C_FILE symbol, guess that the next C_FILE |
| 2242 | symbol will be the first symbol in the next input file. In the |
| 2243 | normal case, this will save us from writing out the C_FILE symbol |
| 2244 | again. */ |
| 2245 | if (finfo->last_file_index != -1 |
| 2246 | && (bfd_size_type) finfo->last_file_index >= syment_base) |
| 2247 | { |
| 2248 | finfo->last_file.n_value = output_index; |
| 2249 | bfd_coff_swap_sym_out (output_bfd, &finfo->last_file,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , (finfo->outsyms + ((finfo->last_file_index - syment_base ) * osymesz)))) |
| 2250 | (finfo->outsyms((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , (finfo->outsyms + ((finfo->last_file_index - syment_base ) * osymesz)))) |
| 2251 | + ((finfo->last_file_index - syment_base)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , (finfo->outsyms + ((finfo->last_file_index - syment_base ) * osymesz)))) |
| 2252 | * osymesz)))((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &finfo->last_file , (finfo->outsyms + ((finfo->last_file_index - syment_base ) * osymesz)))); |
| 2253 | } |
| 2254 | |
| 2255 | /* Write the modified symbols to the output file. */ |
| 2256 | if (outsym > finfo->outsyms) |
| 2257 | { |
| 2258 | file_ptr pos; |
| 2259 | bfd_size_type amt; |
| 2260 | |
| 2261 | pos = obj_sym_filepos (output_bfd)(((output_bfd)->tdata.coff_obj_data)->sym_filepos) + syment_base * osymesz; |
| 2262 | amt = outsym - finfo->outsyms; |
| 2263 | if (bfd_seek (output_bfd, pos, SEEK_SET0) != 0 |
| 2264 | || bfd_bwrite (finfo->outsyms, amt, output_bfd) != amt) |
| 2265 | return FALSE0; |
| 2266 | |
| 2267 | BFD_ASSERT ((obj_raw_syment_count (output_bfd)do { if (!(((((output_bfd)->tdata.coff_obj_data)->raw_syment_count ) + (outsym - finfo->outsyms) / osymesz) == output_index)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" ,2269); } while (0) |
| 2268 | + (outsym - finfo->outsyms) / osymesz)do { if (!(((((output_bfd)->tdata.coff_obj_data)->raw_syment_count ) + (outsym - finfo->outsyms) / osymesz) == output_index)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" ,2269); } while (0) |
| 2269 | == output_index)do { if (!(((((output_bfd)->tdata.coff_obj_data)->raw_syment_count ) + (outsym - finfo->outsyms) / osymesz) == output_index)) bfd_assert("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" ,2269); } while (0); |
| 2270 | |
| 2271 | obj_raw_syment_count (output_bfd)(((output_bfd)->tdata.coff_obj_data)->raw_syment_count) = output_index; |
| 2272 | } |
| 2273 | |
| 2274 | /* Relocate the contents of each section. */ |
| 2275 | adjust_symndx = coff_backend_info (input_bfd)((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_adjust_symndx; |
| 2276 | for (o = input_bfd->sections; o != NULL((void*)0); o = o->next) |
| 2277 | { |
| 2278 | bfd_byte *contents; |
| 2279 | struct coff_section_tdata *secdata; |
| 2280 | |
| 2281 | if (! o->linker_mark) |
| 2282 | /* This section was omitted from the link. */ |
| 2283 | continue; |
| 2284 | |
| 2285 | if ((o->flags & SEC_LINKER_CREATED0x200000) != 0) |
| 2286 | continue; |
| 2287 | |
| 2288 | if ((o->flags & SEC_HAS_CONTENTS0x100) == 0 |
| 2289 | || (o->size == 0 && (o->flags & SEC_RELOC0x004) == 0)) |
| 2290 | { |
| 2291 | if ((o->flags & SEC_RELOC0x004) != 0 |
| 2292 | && o->reloc_count != 0) |
| 2293 | { |
| 2294 | (*_bfd_error_handler) |
| 2295 | (_("%B: relocs in section `%A', but it has no contents")("%B: relocs in section `%A', but it has no contents"), |
| 2296 | input_bfd, o); |
| 2297 | bfd_set_error (bfd_error_no_contents); |
| 2298 | return FALSE0; |
| 2299 | } |
| 2300 | |
| 2301 | continue; |
| 2302 | } |
| 2303 | |
| 2304 | secdata = coff_section_data (input_bfd, o)((struct coff_section_tdata *) (o)->used_by_bfd); |
| 2305 | if (secdata != NULL((void*)0) && secdata->contents != NULL((void*)0)) |
| 2306 | contents = secdata->contents; |
| 2307 | else |
| 2308 | { |
| 2309 | bfd_size_type x = o->rawsize ? o->rawsize : o->size; |
| 2310 | if (! bfd_get_section_contents (input_bfd, o, finfo->contents, 0, x)) |
| 2311 | return FALSE0; |
| 2312 | contents = finfo->contents; |
| 2313 | } |
| 2314 | |
| 2315 | if ((o->flags & SEC_RELOC0x004) != 0) |
| 2316 | { |
| 2317 | int target_index; |
| 2318 | struct internal_reloc *internal_relocs; |
| 2319 | struct internal_reloc *irel; |
| 2320 | |
| 2321 | /* Read in the relocs. */ |
| 2322 | target_index = o->output_section->target_index; |
| 2323 | internal_relocs = (_bfd_coff_read_internal_relocs |
| 2324 | (input_bfd, o, FALSE0, finfo->external_relocs, |
| 2325 | finfo->info->relocatable, |
| 2326 | (finfo->info->relocatable |
| 2327 | ? (finfo->section_info[target_index].relocs |
| 2328 | + o->output_section->reloc_count) |
| 2329 | : finfo->internal_relocs))); |
| 2330 | if (internal_relocs == NULL((void*)0)) |
| 2331 | return FALSE0; |
| 2332 | |
| 2333 | /* Call processor specific code to relocate the section |
| 2334 | contents. */ |
| 2335 | if (! bfd_coff_relocate_section (output_bfd, finfo->info,((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_relocate_section) (output_bfd, finfo->info , input_bfd, o, contents, internal_relocs, finfo->internal_syms , finfo->sec_ptrs)) |
| 2336 | input_bfd, o,((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_relocate_section) (output_bfd, finfo->info , input_bfd, o, contents, internal_relocs, finfo->internal_syms , finfo->sec_ptrs)) |
| 2337 | contents,((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_relocate_section) (output_bfd, finfo->info , input_bfd, o, contents, internal_relocs, finfo->internal_syms , finfo->sec_ptrs)) |
| 2338 | internal_relocs,((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_relocate_section) (output_bfd, finfo->info , input_bfd, o, contents, internal_relocs, finfo->internal_syms , finfo->sec_ptrs)) |
| 2339 | finfo->internal_syms,((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_relocate_section) (output_bfd, finfo->info , input_bfd, o, contents, internal_relocs, finfo->internal_syms , finfo->sec_ptrs)) |
| 2340 | finfo->sec_ptrs)((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_relocate_section) (output_bfd, finfo->info , input_bfd, o, contents, internal_relocs, finfo->internal_syms , finfo->sec_ptrs))) |
| 2341 | return FALSE0; |
| 2342 | |
| 2343 | if (finfo->info->relocatable) |
| 2344 | { |
| 2345 | bfd_vma offset; |
| 2346 | struct internal_reloc *irelend; |
| 2347 | struct coff_link_hash_entry **rel_hash; |
| 2348 | |
| 2349 | offset = o->output_section->vma + o->output_offset - o->vma; |
| 2350 | irel = internal_relocs; |
| 2351 | irelend = irel + o->reloc_count; |
| 2352 | rel_hash = (finfo->section_info[target_index].rel_hashes |
| 2353 | + o->output_section->reloc_count); |
| 2354 | for (; irel < irelend; irel++, rel_hash++) |
| 2355 | { |
| 2356 | struct coff_link_hash_entry *h; |
| 2357 | bfd_boolean adjusted; |
| 2358 | |
| 2359 | *rel_hash = NULL((void*)0); |
| 2360 | |
| 2361 | /* Adjust the reloc address and symbol index. */ |
| 2362 | irel->r_vaddr += offset; |
| 2363 | |
| 2364 | if (irel->r_symndx == -1) |
| 2365 | continue; |
| 2366 | |
| 2367 | if (adjust_symndx) |
| 2368 | { |
| 2369 | if (! (*adjust_symndx) (output_bfd, finfo->info, |
| 2370 | input_bfd, o, irel, |
| 2371 | &adjusted)) |
| 2372 | return FALSE0; |
| 2373 | if (adjusted) |
| 2374 | continue; |
| 2375 | } |
| 2376 | |
| 2377 | h = obj_coff_sym_hashes (input_bfd)(((input_bfd)->tdata.coff_obj_data)->sym_hashes)[irel->r_symndx]; |
| 2378 | if (h != NULL((void*)0)) |
| 2379 | { |
| 2380 | /* This is a global symbol. */ |
| 2381 | if (h->indx >= 0) |
| 2382 | irel->r_symndx = h->indx; |
| 2383 | else |
| 2384 | { |
| 2385 | /* This symbol is being written at the end |
| 2386 | of the file, and we do not yet know the |
| 2387 | symbol index. We save the pointer to the |
| 2388 | hash table entry in the rel_hash list. |
| 2389 | We set the indx field to -2 to indicate |
| 2390 | that this symbol must not be stripped. */ |
| 2391 | *rel_hash = h; |
| 2392 | h->indx = -2; |
| 2393 | } |
| 2394 | } |
| 2395 | else |
| 2396 | { |
| 2397 | long indx; |
| 2398 | |
| 2399 | indx = finfo->sym_indices[irel->r_symndx]; |
| 2400 | if (indx != -1) |
| 2401 | irel->r_symndx = indx; |
| 2402 | else |
| 2403 | { |
| 2404 | struct internal_syment *is; |
| 2405 | const char *name; |
| 2406 | char buf[SYMNMLEN8 + 1]; |
| 2407 | |
| 2408 | /* This reloc is against a symbol we are |
| 2409 | stripping. This should have been handled |
| 2410 | by the 'dont_skip_symbol' code in the while |
| 2411 | loop at the top of this function. */ |
| 2412 | is = finfo->internal_syms + irel->r_symndx; |
| 2413 | |
| 2414 | name = (_bfd_coff_internal_syment_name |
| 2415 | (input_bfd, is, buf)); |
| 2416 | if (name == NULL((void*)0)) |
| 2417 | return FALSE0; |
| 2418 | |
| 2419 | if (! ((*finfo->info->callbacks->unattached_reloc) |
| 2420 | (finfo->info, name, input_bfd, o, |
| 2421 | irel->r_vaddr))) |
| 2422 | return FALSE0; |
| 2423 | } |
| 2424 | } |
| 2425 | } |
| 2426 | |
| 2427 | o->output_section->reloc_count += o->reloc_count; |
| 2428 | } |
| 2429 | } |
| 2430 | |
| 2431 | /* Write out the modified section contents. */ |
| 2432 | if (secdata == NULL((void*)0) || secdata->stab_info == NULL((void*)0)) |
| 2433 | { |
| 2434 | file_ptr loc = o->output_offset * bfd_octets_per_byte (output_bfd); |
| 2435 | if (! bfd_set_section_contents (output_bfd, o->output_section, |
| 2436 | contents, loc, o->size)) |
| 2437 | return FALSE0; |
| 2438 | } |
| 2439 | else |
| 2440 | { |
| 2441 | if (! (_bfd_write_section_stabs |
| 2442 | (output_bfd, &coff_hash_table (finfo->info)((struct coff_link_hash_table *) ((finfo->info)->hash))->stab_info, |
| 2443 | o, &secdata->stab_info, contents))) |
| 2444 | return FALSE0; |
| 2445 | } |
| 2446 | } |
| 2447 | |
| 2448 | if (! finfo->info->keep_memory |
| 2449 | && ! _bfd_coff_free_symbols (input_bfd)) |
| 2450 | return FALSE0; |
| 2451 | |
| 2452 | return TRUE1; |
| 2453 | } |
| 2454 | |
| 2455 | /* Write out a global symbol. Called via coff_link_hash_traverse. */ |
| 2456 | |
| 2457 | bfd_boolean |
| 2458 | _bfd_coff_write_global_sym (struct coff_link_hash_entry *h, void *data) |
| 2459 | { |
| 2460 | struct coff_final_link_info *finfo = (struct coff_final_link_info *) data; |
| 2461 | bfd *output_bfd; |
| 2462 | struct internal_syment isym; |
| 2463 | bfd_size_type symesz; |
| 2464 | unsigned int i; |
| 2465 | file_ptr pos; |
| 2466 | |
| 2467 | output_bfd = finfo->output_bfd; |
| 2468 | |
| 2469 | if (h->root.type == bfd_link_hash_warning) |
| 2470 | { |
| 2471 | h = (struct coff_link_hash_entry *) h->root.u.i.link; |
| 2472 | if (h->root.type == bfd_link_hash_new) |
| 2473 | return TRUE1; |
| 2474 | } |
| 2475 | |
| 2476 | if (h->indx >= 0) |
| 2477 | return TRUE1; |
| 2478 | |
| 2479 | if (h->indx != -2 |
| 2480 | && (finfo->info->strip == strip_all |
| 2481 | || (finfo->info->strip == strip_some |
| 2482 | && (bfd_hash_lookup (finfo->info->keep_hash, |
| 2483 | h->root.root.string, FALSE0, FALSE0) |
| 2484 | == NULL((void*)0))))) |
| 2485 | return TRUE1; |
| 2486 | |
| 2487 | switch (h->root.type) |
| 2488 | { |
| 2489 | default: |
| 2490 | case bfd_link_hash_new: |
| 2491 | case bfd_link_hash_warning: |
| 2492 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" , 2492, __PRETTY_FUNCTION__); |
| 2493 | return FALSE0; |
| 2494 | |
| 2495 | case bfd_link_hash_undefined: |
| 2496 | case bfd_link_hash_undefweak: |
| 2497 | isym.n_scnum = N_UNDEF((short)0); |
| 2498 | isym.n_value = 0; |
| 2499 | break; |
| 2500 | |
| 2501 | case bfd_link_hash_defined: |
| 2502 | case bfd_link_hash_defweak: |
| 2503 | { |
| 2504 | asection *sec; |
| 2505 | |
| 2506 | sec = h->root.u.def.section->output_section; |
| 2507 | if (bfd_is_abs_section (sec)((sec) == ((asection *) &bfd_abs_section))) |
| 2508 | isym.n_scnum = N_ABS((short)-1); |
| 2509 | else |
| 2510 | isym.n_scnum = sec->target_index; |
| 2511 | isym.n_value = (h->root.u.def.value |
| 2512 | + h->root.u.def.section->output_offset); |
| 2513 | if (! obj_pe (finfo->output_bfd)(((finfo->output_bfd)->tdata.coff_obj_data)->pe)) |
| 2514 | isym.n_value += sec->vma; |
| 2515 | } |
| 2516 | break; |
| 2517 | |
| 2518 | case bfd_link_hash_common: |
| 2519 | isym.n_scnum = N_UNDEF((short)0); |
| 2520 | isym.n_value = h->root.u.c.size; |
| 2521 | break; |
| 2522 | |
| 2523 | case bfd_link_hash_indirect: |
| 2524 | /* Just ignore these. They can't be handled anyhow. */ |
| 2525 | return TRUE1; |
| 2526 | } |
| 2527 | |
| 2528 | if (strlen (h->root.root.string) <= SYMNMLEN8) |
| 2529 | strncpy (isym._n._n_name, h->root.root.string, SYMNMLEN8); |
| 2530 | else |
| 2531 | { |
| 2532 | bfd_boolean hash; |
| 2533 | bfd_size_type indx; |
| 2534 | |
| 2535 | hash = TRUE1; |
| 2536 | if ((output_bfd->flags & BFD_TRADITIONAL_FORMAT0x400) != 0) |
| 2537 | hash = FALSE0; |
| 2538 | indx = _bfd_stringtab_add (finfo->strtab, h->root.root.string, hash, |
| 2539 | FALSE0); |
| 2540 | if (indx == (bfd_size_type) -1) |
| 2541 | { |
| 2542 | finfo->failed = TRUE1; |
| 2543 | return FALSE0; |
| 2544 | } |
| 2545 | isym._n._n_n._n_zeroes = 0; |
| 2546 | isym._n._n_n._n_offset = STRING_SIZE_SIZE4 + indx; |
| 2547 | } |
| 2548 | |
| 2549 | isym.n_sclass = h->class; |
| 2550 | isym.n_type = h->type; |
| 2551 | |
| 2552 | if (isym.n_sclass == C_NULL0) |
| 2553 | isym.n_sclass = C_EXT2; |
| 2554 | |
| 2555 | /* If doing task linking and this is the pass where we convert |
| 2556 | defined globals to statics, then do that conversion now. If the |
| 2557 | symbol is not being converted, just ignore it and it will be |
| 2558 | output during a later pass. */ |
| 2559 | if (finfo->global_to_static) |
| 2560 | { |
| 2561 | if (! IS_EXTERNAL (output_bfd, isym)((isym).n_sclass == 2 || ((isym).n_sclass == 127 || ((((output_bfd )->tdata.coff_obj_data)->pe) && (isym).n_sclass == 105)))) |
| 2562 | return TRUE1; |
| 2563 | |
| 2564 | isym.n_sclass = C_STAT3; |
| 2565 | } |
| 2566 | |
| 2567 | /* When a weak symbol is not overridden by a strong one, |
| 2568 | turn it into an external symbol when not building a |
| 2569 | shared or relocatable object. */ |
| 2570 | if (! finfo->info->shared |
| 2571 | && ! finfo->info->relocatable |
| 2572 | && IS_WEAK_EXTERNAL (finfo->output_bfd, isym)((isym).n_sclass == 127 || ((((finfo->output_bfd)->tdata .coff_obj_data)->pe) && (isym).n_sclass == 105))) |
| 2573 | isym.n_sclass = C_EXT2; |
| 2574 | |
| 2575 | isym.n_numaux = h->numaux; |
| 2576 | |
| 2577 | bfd_coff_swap_sym_out (output_bfd, &isym, finfo->outsyms)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_sym_out) (output_bfd, &isym, finfo-> outsyms)); |
| 2578 | |
| 2579 | symesz = bfd_coff_symesz (output_bfd)(((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_symesz); |
| 2580 | |
| 2581 | pos = obj_sym_filepos (output_bfd)(((output_bfd)->tdata.coff_obj_data)->sym_filepos); |
| 2582 | pos += obj_raw_syment_count (output_bfd)(((output_bfd)->tdata.coff_obj_data)->raw_syment_count) * symesz; |
| 2583 | if (bfd_seek (output_bfd, pos, SEEK_SET0) != 0 |
| 2584 | || bfd_bwrite (finfo->outsyms, symesz, output_bfd) != symesz) |
| 2585 | { |
| 2586 | finfo->failed = TRUE1; |
| 2587 | return FALSE0; |
| 2588 | } |
| 2589 | |
| 2590 | h->indx = obj_raw_syment_count (output_bfd)(((output_bfd)->tdata.coff_obj_data)->raw_syment_count); |
| 2591 | |
| 2592 | ++obj_raw_syment_count (output_bfd)(((output_bfd)->tdata.coff_obj_data)->raw_syment_count); |
| 2593 | |
| 2594 | /* Write out any associated aux entries. Most of the aux entries |
| 2595 | will have been modified in _bfd_coff_link_input_bfd. We have to |
| 2596 | handle section aux entries here, now that we have the final |
| 2597 | relocation and line number counts. */ |
| 2598 | for (i = 0; i < isym.n_numaux; i++) |
| 2599 | { |
| 2600 | union internal_auxent *auxp; |
| 2601 | |
| 2602 | auxp = h->aux + i; |
| 2603 | |
| 2604 | /* Look for a section aux entry here using the same tests that |
| 2605 | coff_swap_aux_out uses. */ |
| 2606 | if (i == 0 |
| 2607 | && (isym.n_sclass == C_STAT3 |
| 2608 | || isym.n_sclass == C_HIDDEN106) |
| 2609 | && isym.n_type == T_NULL0 |
| 2610 | && (h->root.type == bfd_link_hash_defined |
| 2611 | || h->root.type == bfd_link_hash_defweak)) |
| 2612 | { |
| 2613 | asection *sec; |
| 2614 | |
| 2615 | sec = h->root.u.def.section->output_section; |
| 2616 | if (sec != NULL((void*)0)) |
| 2617 | { |
| 2618 | auxp->x_scn.x_scnlen = sec->size; |
| 2619 | |
| 2620 | /* For PE, an overflow on the final link reportedly does |
| 2621 | not matter. FIXME: Why not? */ |
| 2622 | if (sec->reloc_count > 0xffff |
| 2623 | && (! obj_pe (output_bfd)(((output_bfd)->tdata.coff_obj_data)->pe) |
| 2624 | || finfo->info->relocatable)) |
| 2625 | (*_bfd_error_handler) |
| 2626 | (_("%s: %s: reloc overflow: 0x%lx > 0xffff")("%s: %s: reloc overflow: 0x%lx > 0xffff"), |
| 2627 | bfd_get_filename (output_bfd)((char *) (output_bfd)->filename), |
| 2628 | bfd_get_section_name (output_bfd, sec)((sec)->name + 0), |
| 2629 | sec->reloc_count); |
| 2630 | |
| 2631 | if (sec->lineno_count > 0xffff |
| 2632 | && (! obj_pe (output_bfd)(((output_bfd)->tdata.coff_obj_data)->pe) |
| 2633 | || finfo->info->relocatable)) |
| 2634 | (*_bfd_error_handler) |
| 2635 | (_("%s: warning: %s: line number overflow: 0x%lx > 0xffff")("%s: warning: %s: line number overflow: 0x%lx > 0xffff"), |
| 2636 | bfd_get_filename (output_bfd)((char *) (output_bfd)->filename), |
| 2637 | bfd_get_section_name (output_bfd, sec)((sec)->name + 0), |
| 2638 | sec->lineno_count); |
| 2639 | |
| 2640 | auxp->x_scn.x_nreloc = sec->reloc_count; |
| 2641 | auxp->x_scn.x_nlinno = sec->lineno_count; |
| 2642 | auxp->x_scn.x_checksum = 0; |
| 2643 | auxp->x_scn.x_associated = 0; |
| 2644 | auxp->x_scn.x_comdat = 0; |
| 2645 | } |
| 2646 | } |
| 2647 | |
| 2648 | bfd_coff_swap_aux_out (output_bfd, auxp, isym.n_type,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,auxp,isym.n_type,isym .n_sclass,(int) i,isym.n_numaux,finfo->outsyms)) |
| 2649 | isym.n_sclass, (int) i, isym.n_numaux,((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,auxp,isym.n_type,isym .n_sclass,(int) i,isym.n_numaux,finfo->outsyms)) |
| 2650 | finfo->outsyms)((((bfd_coff_backend_data *) (output_bfd)->xvec->backend_data )->_bfd_coff_swap_aux_out) (output_bfd,auxp,isym.n_type,isym .n_sclass,(int) i,isym.n_numaux,finfo->outsyms)); |
| 2651 | if (bfd_bwrite (finfo->outsyms, symesz, output_bfd) != symesz) |
| 2652 | { |
| 2653 | finfo->failed = TRUE1; |
| 2654 | return FALSE0; |
| 2655 | } |
| 2656 | ++obj_raw_syment_count (output_bfd)(((output_bfd)->tdata.coff_obj_data)->raw_syment_count); |
| 2657 | } |
| 2658 | |
| 2659 | return TRUE1; |
| 2660 | } |
| 2661 | |
| 2662 | /* Write out task global symbols, converting them to statics. Called |
| 2663 | via coff_link_hash_traverse. Calls bfd_coff_write_global_sym to do |
| 2664 | the dirty work, if the symbol we are processing needs conversion. */ |
| 2665 | |
| 2666 | bfd_boolean |
| 2667 | _bfd_coff_write_task_globals (struct coff_link_hash_entry *h, void *data) |
| 2668 | { |
| 2669 | struct coff_final_link_info *finfo = (struct coff_final_link_info *) data; |
| 2670 | bfd_boolean rtnval = TRUE1; |
| 2671 | bfd_boolean save_global_to_static; |
| 2672 | |
| 2673 | if (h->root.type == bfd_link_hash_warning) |
| 2674 | h = (struct coff_link_hash_entry *) h->root.u.i.link; |
| 2675 | |
| 2676 | if (h->indx < 0) |
| 2677 | { |
| 2678 | switch (h->root.type) |
| 2679 | { |
| 2680 | case bfd_link_hash_defined: |
| 2681 | case bfd_link_hash_defweak: |
| 2682 | save_global_to_static = finfo->global_to_static; |
| 2683 | finfo->global_to_static = TRUE1; |
| 2684 | rtnval = _bfd_coff_write_global_sym (h, data); |
| 2685 | finfo->global_to_static = save_global_to_static; |
| 2686 | break; |
| 2687 | default: |
| 2688 | break; |
| 2689 | } |
| 2690 | } |
| 2691 | return (rtnval); |
| 2692 | } |
| 2693 | |
| 2694 | /* Handle a link order which is supposed to generate a reloc. */ |
| 2695 | |
| 2696 | bfd_boolean |
| 2697 | _bfd_coff_reloc_link_order (bfd *output_bfd, |
| 2698 | struct coff_final_link_info *finfo, |
| 2699 | asection *output_section, |
| 2700 | struct bfd_link_order *link_order) |
| 2701 | { |
| 2702 | reloc_howto_type *howto; |
| 2703 | struct internal_reloc *irel; |
| 2704 | struct coff_link_hash_entry **rel_hash_ptr; |
| 2705 | |
| 2706 | howto = bfd_reloc_type_lookup (output_bfd, link_order->u.reloc.p->reloc); |
| 2707 | if (howto == NULL((void*)0)) |
| 2708 | { |
| 2709 | bfd_set_error (bfd_error_bad_value); |
| 2710 | return FALSE0; |
| 2711 | } |
| 2712 | |
| 2713 | if (link_order->u.reloc.p->addend != 0) |
| 2714 | { |
| 2715 | bfd_size_type size; |
| 2716 | bfd_byte *buf; |
| 2717 | bfd_reloc_status_type rstat; |
| 2718 | bfd_boolean ok; |
| 2719 | file_ptr loc; |
| 2720 | |
| 2721 | size = bfd_get_reloc_size (howto); |
| 2722 | buf = bfd_zmalloc (size); |
| 2723 | if (buf == NULL((void*)0)) |
| 2724 | return FALSE0; |
| 2725 | |
| 2726 | rstat = _bfd_relocate_contents (howto, output_bfd, |
| 2727 | (bfd_vma) link_order->u.reloc.p->addend,\ |
| 2728 | buf); |
| 2729 | switch (rstat) |
| 2730 | { |
| 2731 | case bfd_reloc_ok: |
| 2732 | break; |
| 2733 | default: |
| 2734 | case bfd_reloc_outofrange: |
| 2735 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" , 2735, __PRETTY_FUNCTION__); |
| 2736 | case bfd_reloc_overflow: |
| 2737 | if (! ((*finfo->info->callbacks->reloc_overflow) |
| 2738 | (finfo->info, NULL((void*)0), |
| 2739 | (link_order->type == bfd_section_reloc_link_order |
| 2740 | ? bfd_section_name (output_bfd,((link_order->u.reloc.p->u.section)->name) |
| 2741 | link_order->u.reloc.p->u.section)((link_order->u.reloc.p->u.section)->name) |
| 2742 | : link_order->u.reloc.p->u.name), |
| 2743 | howto->name, link_order->u.reloc.p->addend, |
| 2744 | (bfd *) NULL((void*)0), (asection *) NULL((void*)0), (bfd_vma) 0))) |
| 2745 | { |
| 2746 | free (buf); |
| 2747 | return FALSE0; |
| 2748 | } |
| 2749 | break; |
| 2750 | } |
| 2751 | loc = link_order->offset * bfd_octets_per_byte (output_bfd); |
| 2752 | ok = bfd_set_section_contents (output_bfd, output_section, buf, |
| 2753 | loc, size); |
| 2754 | free (buf); |
| 2755 | if (! ok) |
| 2756 | return FALSE0; |
| 2757 | } |
| 2758 | |
| 2759 | /* Store the reloc information in the right place. It will get |
| 2760 | swapped and written out at the end of the final_link routine. */ |
| 2761 | irel = (finfo->section_info[output_section->target_index].relocs |
| 2762 | + output_section->reloc_count); |
| 2763 | rel_hash_ptr = (finfo->section_info[output_section->target_index].rel_hashes |
| 2764 | + output_section->reloc_count); |
| 2765 | |
| 2766 | memset (irel, 0, sizeof (struct internal_reloc)); |
| 2767 | *rel_hash_ptr = NULL((void*)0); |
| 2768 | |
| 2769 | irel->r_vaddr = output_section->vma + link_order->offset; |
| 2770 | |
| 2771 | if (link_order->type == bfd_section_reloc_link_order) |
| 2772 | { |
| 2773 | /* We need to somehow locate a symbol in the right section. The |
| 2774 | symbol must either have a value of zero, or we must adjust |
| 2775 | the addend by the value of the symbol. FIXME: Write this |
| 2776 | when we need it. The old linker couldn't handle this anyhow. */ |
| 2777 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" , 2777, __PRETTY_FUNCTION__); |
| 2778 | *rel_hash_ptr = NULL((void*)0); |
| 2779 | irel->r_symndx = 0; |
| 2780 | } |
| 2781 | else |
| 2782 | { |
| 2783 | struct coff_link_hash_entry *h; |
| 2784 | |
| 2785 | h = ((struct coff_link_hash_entry *) |
| 2786 | bfd_wrapped_link_hash_lookup (output_bfd, finfo->info, |
| 2787 | link_order->u.reloc.p->u.name, |
| 2788 | FALSE0, FALSE0, TRUE1)); |
| 2789 | if (h != NULL((void*)0)) |
| 2790 | { |
| 2791 | if (h->indx >= 0) |
| 2792 | irel->r_symndx = h->indx; |
| 2793 | else |
| 2794 | { |
| 2795 | /* Set the index to -2 to force this symbol to get |
| 2796 | written out. */ |
| 2797 | h->indx = -2; |
| 2798 | *rel_hash_ptr = h; |
| 2799 | irel->r_symndx = 0; |
| 2800 | } |
| 2801 | } |
| 2802 | else |
| 2803 | { |
| 2804 | if (! ((*finfo->info->callbacks->unattached_reloc) |
| 2805 | (finfo->info, link_order->u.reloc.p->u.name, (bfd *) NULL((void*)0), |
| 2806 | (asection *) NULL((void*)0), (bfd_vma) 0))) |
| 2807 | return FALSE0; |
| 2808 | irel->r_symndx = 0; |
| 2809 | } |
| 2810 | } |
| 2811 | |
| 2812 | /* FIXME: Is this always right? */ |
| 2813 | irel->r_type = howto->type; |
| 2814 | |
| 2815 | /* r_size is only used on the RS/6000, which needs its own linker |
| 2816 | routines anyhow. r_extern is only used for ECOFF. */ |
| 2817 | |
| 2818 | /* FIXME: What is the right value for r_offset? Is zero OK? */ |
| 2819 | ++output_section->reloc_count; |
| 2820 | |
| 2821 | return TRUE1; |
| 2822 | } |
| 2823 | |
| 2824 | /* A basic reloc handling routine which may be used by processors with |
| 2825 | simple relocs. */ |
| 2826 | |
| 2827 | bfd_boolean |
| 2828 | _bfd_coff_generic_relocate_section (bfd *output_bfd, |
| 2829 | struct bfd_link_info *info, |
| 2830 | bfd *input_bfd, |
| 2831 | asection *input_section, |
| 2832 | bfd_byte *contents, |
| 2833 | struct internal_reloc *relocs, |
| 2834 | struct internal_syment *syms, |
| 2835 | asection **sections) |
| 2836 | { |
| 2837 | struct internal_reloc *rel; |
| 2838 | struct internal_reloc *relend; |
| 2839 | |
| 2840 | rel = relocs; |
| 2841 | relend = rel + input_section->reloc_count; |
| 2842 | for (; rel < relend; rel++) |
| 2843 | { |
| 2844 | long symndx; |
| 2845 | struct coff_link_hash_entry *h; |
| 2846 | struct internal_syment *sym; |
| 2847 | bfd_vma addend; |
| 2848 | bfd_vma val; |
| 2849 | reloc_howto_type *howto; |
| 2850 | bfd_reloc_status_type rstat; |
| 2851 | |
| 2852 | symndx = rel->r_symndx; |
| 2853 | |
| 2854 | if (symndx == -1) |
| 2855 | { |
| 2856 | h = NULL((void*)0); |
| 2857 | sym = NULL((void*)0); |
| 2858 | } |
| 2859 | else if (symndx < 0 |
| 2860 | || (unsigned long) symndx >= obj_raw_syment_count (input_bfd)(((input_bfd)->tdata.coff_obj_data)->raw_syment_count)) |
| 2861 | { |
| 2862 | (*_bfd_error_handler) |
| 2863 | ("%B: illegal symbol index %ld in relocs", input_bfd, symndx); |
| 2864 | return FALSE0; |
| 2865 | } |
| 2866 | else |
| 2867 | { |
| 2868 | h = obj_coff_sym_hashes (input_bfd)(((input_bfd)->tdata.coff_obj_data)->sym_hashes)[symndx]; |
| 2869 | sym = syms + symndx; |
| 2870 | } |
| 2871 | |
| 2872 | /* COFF treats common symbols in one of two ways. Either the |
| 2873 | size of the symbol is included in the section contents, or it |
| 2874 | is not. We assume that the size is not included, and force |
| 2875 | the rtype_to_howto function to adjust the addend as needed. */ |
| 2876 | if (sym != NULL((void*)0) && sym->n_scnum != 0) |
| 2877 | addend = - sym->n_value; |
| 2878 | else |
| 2879 | addend = 0; |
| 2880 | |
| 2881 | howto = bfd_coff_rtype_to_howto (input_bfd, input_section, rel, h,((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_rtype_to_howto) (input_bfd, input_section, rel , h, sym, &addend)) |
| 2882 | sym, &addend)((((bfd_coff_backend_data *) (input_bfd)->xvec->backend_data )->_bfd_coff_rtype_to_howto) (input_bfd, input_section, rel , h, sym, &addend)); |
| 2883 | if (howto == NULL((void*)0)) |
| 2884 | return FALSE0; |
| 2885 | |
| 2886 | /* If we are doing a relocatable link, then we can just ignore |
| 2887 | a PC relative reloc that is pcrel_offset. It will already |
| 2888 | have the correct value. If this is not a relocatable link, |
| 2889 | then we should ignore the symbol value. */ |
| 2890 | if (howto->pc_relative && howto->pcrel_offset) |
| 2891 | { |
| 2892 | if (info->relocatable) |
| 2893 | continue; |
| 2894 | if (sym != NULL((void*)0) && sym->n_scnum != 0) |
| 2895 | addend += sym->n_value; |
| 2896 | } |
| 2897 | |
| 2898 | val = 0; |
| 2899 | |
| 2900 | if (h == NULL((void*)0)) |
| 2901 | { |
| 2902 | asection *sec; |
| 2903 | |
| 2904 | if (symndx == -1) |
| 2905 | { |
| 2906 | sec = bfd_abs_section_ptr((asection *) &bfd_abs_section); |
| 2907 | val = 0; |
| 2908 | } |
| 2909 | else |
| 2910 | { |
| 2911 | sec = sections[symndx]; |
| 2912 | val = (sec->output_section->vma |
| 2913 | + sec->output_offset |
| 2914 | + sym->n_value); |
| 2915 | if (! obj_pe (input_bfd)(((input_bfd)->tdata.coff_obj_data)->pe)) |
| 2916 | val -= sec->vma; |
| 2917 | } |
| 2918 | } |
| 2919 | else |
| 2920 | { |
| 2921 | if (h->root.type == bfd_link_hash_defined |
| 2922 | || h->root.type == bfd_link_hash_defweak) |
| 2923 | { |
| 2924 | /* Defined weak symbols are a GNU extension. */ |
| 2925 | asection *sec; |
| 2926 | |
| 2927 | sec = h->root.u.def.section; |
| 2928 | val = (h->root.u.def.value |
| 2929 | + sec->output_section->vma |
| 2930 | + sec->output_offset); |
| 2931 | } |
| 2932 | |
| 2933 | else if (h->root.type == bfd_link_hash_undefweak) |
| 2934 | { |
| 2935 | if (h->class == C_NT_WEAK105 && h->numaux == 1) |
| 2936 | { |
| 2937 | /* See _Microsoft Portable Executable and Common Object |
| 2938 | File Format Specification_, section 5.5.3. |
| 2939 | Note that weak symbols without aux records are a GNU |
| 2940 | extension. |
| 2941 | FIXME: All weak externals are treated as having |
| 2942 | characteristic IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY (1). |
| 2943 | These behave as per SVR4 ABI: A library member |
| 2944 | will resolve a weak external only if a normal |
| 2945 | external causes the library member to be linked. |
| 2946 | See also linker.c: generic_link_check_archive_element. */ |
| 2947 | asection *sec; |
| 2948 | struct coff_link_hash_entry *h2 = |
| 2949 | input_bfd->tdata.coff_obj_data->sym_hashes[ |
| 2950 | h->aux->x_sym.x_tagndx.l]; |
| 2951 | |
| 2952 | if (!h2 || h2->root.type == bfd_link_hash_undefined) |
| 2953 | { |
| 2954 | sec = bfd_abs_section_ptr((asection *) &bfd_abs_section); |
| 2955 | val = 0; |
| 2956 | } |
| 2957 | else |
| 2958 | { |
| 2959 | sec = h2->root.u.def.section; |
| 2960 | val = h2->root.u.def.value |
| 2961 | + sec->output_section->vma + sec->output_offset; |
| 2962 | } |
| 2963 | } |
| 2964 | else |
| 2965 | /* This is a GNU extension. */ |
| 2966 | val = 0; |
| 2967 | } |
| 2968 | |
| 2969 | else if (! info->relocatable) |
| 2970 | { |
| 2971 | if (! ((*info->callbacks->undefined_symbol) |
| 2972 | (info, h->root.root.string, input_bfd, input_section, |
| 2973 | rel->r_vaddr - input_section->vma, TRUE1))) |
| 2974 | return FALSE0; |
| 2975 | } |
| 2976 | } |
| 2977 | |
| 2978 | if (info->base_file) |
| 2979 | { |
| 2980 | /* Emit a reloc if the backend thinks it needs it. */ |
| 2981 | if (sym && pe_data (output_bfd)((output_bfd)->tdata.pe_obj_data)->in_reloc_p (output_bfd, howto)) |
| 2982 | { |
| 2983 | /* Relocation to a symbol in a section which isn't |
| 2984 | absolute. We output the address here to a file. |
| 2985 | This file is then read by dlltool when generating the |
| 2986 | reloc section. Note that the base file is not |
| 2987 | portable between systems. We write out a long here, |
| 2988 | and dlltool reads in a long. */ |
| 2989 | long addr = (rel->r_vaddr |
| 2990 | - input_section->vma |
| 2991 | + input_section->output_offset |
| 2992 | + input_section->output_section->vma); |
| 2993 | if (coff_data (output_bfd)((output_bfd)->tdata.coff_obj_data)->pe) |
| 2994 | addr -= pe_data(output_bfd)((output_bfd)->tdata.pe_obj_data)->pe_opthdr.ImageBase; |
| 2995 | if (fwrite (&addr, 1, sizeof (long), (FILE *) info->base_file) |
| 2996 | != sizeof (long)) |
| 2997 | { |
| 2998 | bfd_set_error (bfd_error_system_call); |
| 2999 | return FALSE0; |
| 3000 | } |
| 3001 | } |
| 3002 | } |
| 3003 | |
| 3004 | rstat = _bfd_final_link_relocate (howto, input_bfd, input_section, |
| 3005 | contents, |
| 3006 | rel->r_vaddr - input_section->vma, |
| 3007 | val, addend); |
| 3008 | |
| 3009 | switch (rstat) |
| 3010 | { |
| 3011 | default: |
| 3012 | abort ()_bfd_abort ("/usr/src/gnu/usr.bin/binutils-2.17/bfd/cofflink.c" , 3012, __PRETTY_FUNCTION__); |
| 3013 | case bfd_reloc_ok: |
| 3014 | break; |
| 3015 | case bfd_reloc_outofrange: |
| 3016 | (*_bfd_error_handler) |
| 3017 | (_("%B: bad reloc address 0x%lx in section `%A'")("%B: bad reloc address 0x%lx in section `%A'"), |
| 3018 | input_bfd, input_section, (unsigned long) rel->r_vaddr); |
| 3019 | return FALSE0; |
| 3020 | case bfd_reloc_overflow: |
| 3021 | { |
| 3022 | const char *name; |
| 3023 | char buf[SYMNMLEN8 + 1]; |
| 3024 | |
| 3025 | if (symndx == -1) |
| 3026 | name = "*ABS*"; |
| 3027 | else if (h != NULL((void*)0)) |
| 3028 | name = NULL((void*)0); |
| 3029 | else |
| 3030 | { |
| 3031 | name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); |
| 3032 | if (name == NULL((void*)0)) |
| 3033 | return FALSE0; |
| 3034 | } |
| 3035 | |
| 3036 | if (! ((*info->callbacks->reloc_overflow) |
| 3037 | (info, (h ? &h->root : NULL((void*)0)), name, howto->name, |
| 3038 | (bfd_vma) 0, input_bfd, input_section, |
| 3039 | rel->r_vaddr - input_section->vma))) |
| 3040 | return FALSE0; |
| 3041 | } |
| 3042 | } |
| 3043 | } |
| 3044 | return TRUE1; |
| 3045 | } |