| 1 | # This shell script emits a C file. -*- C -*- |
| 2 | # It does some substitutions. |
| 3 | # This file is now misnamed, because it supports both 32 bit and 64 bit |
| 4 | # ELF emulations. |
| 5 | test -z "${ELFSIZE}" && ELFSIZE=32 |
| 6 | if [ -z "$MACHINE" ]; then |
| 7 | OUTPUT_ARCH=${ARCH} |
| 8 | else |
| 9 | OUTPUT_ARCH=${ARCH}:${MACHINE} |
| 10 | fi |
| 11 | cat >e${EMULATION_NAME}.c <<EOF |
| 12 | /* This file is is generated by a shell script. DO NOT EDIT! */ |
| 13 | |
| 14 | /* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME} |
| 15 | Copyright 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, |
| 16 | 2002 Free Software Foundation, Inc. |
| 17 | Written by Steve Chamberlain <sac@cygnus.com> |
| 18 | ELF support by Ian Lance Taylor <ian@cygnus.com> |
| 19 | |
| 20 | This file is part of GLD, the Gnu Linker. |
| 21 | |
| 22 | This program is free software; you can redistribute it and/or modify |
| 23 | it under the terms of the GNU General Public License as published by |
| 24 | the Free Software Foundation; either version 2 of the License, or |
| 25 | (at your option) any later version. |
| 26 | |
| 27 | This program is distributed in the hope that it will be useful, |
| 28 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 29 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 30 | GNU General Public License for more details. |
| 31 | |
| 32 | You should have received a copy of the GNU General Public License |
| 33 | along with this program; if not, write to the Free Software |
| 34 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
| 35 | |
| 36 | #define TARGET_IS_${EMULATION_NAME} |
| 37 | |
| 38 | #include "bfd.h" |
| 39 | #include "sysdep.h" |
| 40 | #include "libiberty.h" |
| 41 | #include "safe-ctype.h" |
| 42 | |
| 43 | #include "bfdlink.h" |
| 44 | |
| 45 | #include "ld.h" |
| 46 | #include "ldmain.h" |
| 47 | #include "ldmisc.h" |
| 48 | #include "ldexp.h" |
| 49 | #include "ldlang.h" |
| 50 | #include "ldfile.h" |
| 51 | #include "ldemul.h" |
| 52 | #include "ldgram.h" |
| 53 | #include "elf/common.h" |
| 54 | |
| 55 | static void gld${EMULATION_NAME}_before_parse |
| 56 | PARAMS ((void)); |
| 57 | static void gld${EMULATION_NAME}_vercheck |
| 58 | PARAMS ((lang_input_statement_type *)); |
| 59 | static void gld${EMULATION_NAME}_stat_needed |
| 60 | PARAMS ((lang_input_statement_type *)); |
| 61 | static boolean gld${EMULATION_NAME}_try_needed |
| 62 | PARAMS ((const char *, int)); |
| 63 | static boolean gld${EMULATION_NAME}_search_needed |
| 64 | PARAMS ((const char *, const char *, int)); |
| 65 | static void gld${EMULATION_NAME}_check_needed |
| 66 | PARAMS ((lang_input_statement_type *)); |
| 67 | static void gld${EMULATION_NAME}_after_open |
| 68 | PARAMS ((void)); |
| 69 | static void gld${EMULATION_NAME}_find_exp_assignment |
| 70 | PARAMS ((etree_type *)); |
| 71 | static void gld${EMULATION_NAME}_find_statement_assignment |
| 72 | PARAMS ((lang_statement_union_type *)); |
| 73 | static void gld${EMULATION_NAME}_before_allocation |
| 74 | PARAMS ((void)); |
| 75 | static boolean gld${EMULATION_NAME}_open_dynamic_archive |
| 76 | PARAMS ((const char *, search_dirs_type *, lang_input_statement_type *)); |
| 77 | static lang_output_section_statement_type *output_rel_find |
| 78 | PARAMS ((void)); |
| 79 | static asection *output_prev_sec_find |
| 80 | PARAMS ((lang_output_section_statement_type *)); |
| 81 | static boolean gld${EMULATION_NAME}_place_orphan |
| 82 | PARAMS ((lang_input_statement_type *, asection *)); |
| 83 | static void gld${EMULATION_NAME}_finish |
| 84 | PARAMS ((void)); |
| 85 | static char *gld${EMULATION_NAME}_get_script |
| 86 | PARAMS ((int *isfile)); |
| 87 | |
| 88 | EOF |
| 89 | |
| 90 | # Import any needed special functions and/or overrides. |
| 91 | # |
| 92 | if test -n "$EXTRA_EM_FILE" ; then |
| 93 | . ${srcdir}/emultempl/${EXTRA_EM_FILE}.em |
| 94 | fi |
| 95 | |
| 96 | # Functions in this file can be overridden by setting the LDEMUL_* shell |
| 97 | # variables. If the name of the overriding function is the same as is |
| 98 | # defined in this file, then don't output this file's version. |
| 99 | # If a different overriding name is given then output the standard function |
| 100 | # as presumably it is called from the overriding function. |
| 101 | # |
| 102 | if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then |
| 103 | cat >>e${EMULATION_NAME}.c <<EOF |
| 104 | |
| 105 | static void |
| 106 | gld${EMULATION_NAME}_before_parse () |
| 107 | { |
| 108 | const bfd_arch_info_type *arch = bfd_scan_arch ("${OUTPUT_ARCH}"); |
| 109 | if (arch) |
| 110 | { |
| 111 | ldfile_output_architecture = arch->arch; |
| 112 | ldfile_output_machine = arch->mach; |
| 113 | ldfile_output_machine_name = arch->printable_name; |
| 114 | } |
| 115 | else |
| 116 | ldfile_output_architecture = bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`; |
| 117 | config.dynamic_link = ${DYNAMIC_LINK-true}; |
| 118 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo true ; else echo false ; fi`; |
| 119 | } |
| 120 | |
| 121 | EOF |
| 122 | fi |
| 123 | |
| 124 | cat >>e${EMULATION_NAME}.c <<EOF |
| 125 | |
| 126 | /* These variables are required to pass information back and forth |
| 127 | between after_open and check_needed and stat_needed and vercheck. */ |
| 128 | |
| 129 | static struct bfd_link_needed_list *global_needed; |
| 130 | static struct stat global_stat; |
| 131 | static boolean global_found; |
| 132 | static struct bfd_link_needed_list *global_vercheck_needed; |
| 133 | static boolean global_vercheck_failed; |
| 134 | |
| 135 | |
| 136 | /* On Linux, it's possible to have different versions of the same |
| 137 | shared library linked against different versions of libc. The |
| 138 | dynamic linker somehow tags which libc version to use in |
| 139 | /etc/ld.so.cache, and, based on the libc that it sees in the |
| 140 | executable, chooses which version of the shared library to use. |
| 141 | |
| 142 | We try to do a similar check here by checking whether this shared |
| 143 | library needs any other shared libraries which may conflict with |
| 144 | libraries we have already included in the link. If it does, we |
| 145 | skip it, and try to find another shared library farther on down the |
| 146 | link path. |
| 147 | |
| 148 | This is called via lang_for_each_input_file. |
| 149 | GLOBAL_VERCHECK_NEEDED is the list of objects needed by the object |
| 150 | which we are checking. This sets GLOBAL_VERCHECK_FAILED if we find |
| 151 | a conflicting version. */ |
| 152 | |
| 153 | static void |
| 154 | gld${EMULATION_NAME}_vercheck (s) |
| 155 | lang_input_statement_type *s; |
| 156 | { |
| 157 | const char *soname; |
| 158 | struct bfd_link_needed_list *l; |
| 159 | |
| 160 | if (global_vercheck_failed) |
| 161 | return; |
| 162 | if (s->the_bfd == NULL |
| 163 | || (bfd_get_file_flags (s->the_bfd) & DYNAMIC) == 0) |
| 164 | return; |
| 165 | |
| 166 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
| 167 | if (soname == NULL) |
| 168 | soname = lbasename (bfd_get_filename (s->the_bfd)); |
| 169 | |
| 170 | for (l = global_vercheck_needed; l != NULL; l = l->next) |
| 171 | { |
| 172 | const char *suffix; |
| 173 | |
| 174 | if (strcmp (soname, l->name) == 0) |
| 175 | { |
| 176 | /* Probably can't happen, but it's an easy check. */ |
| 177 | continue; |
| 178 | } |
| 179 | |
| 180 | if (strchr (l->name, '/') != NULL) |
| 181 | continue; |
| 182 | |
| 183 | suffix = strstr (l->name, ".so."); |
| 184 | if (suffix == NULL) |
| 185 | continue; |
| 186 | |
| 187 | suffix += sizeof ".so." - 1; |
| 188 | |
| 189 | if (strncmp (soname, l->name, suffix - l->name) == 0) |
| 190 | { |
| 191 | /* Here we know that S is a dynamic object FOO.SO.VER1, and |
| 192 | the object we are considering needs a dynamic object |
| 193 | FOO.SO.VER2, and VER1 and VER2 are different. This |
| 194 | appears to be a version mismatch, so we tell the caller |
| 195 | to try a different version of this library. */ |
| 196 | global_vercheck_failed = true; |
| 197 | return; |
| 198 | } |
| 199 | } |
| 200 | } |
| 201 | |
| 202 | |
| 203 | /* See if an input file matches a DT_NEEDED entry by running stat on |
| 204 | the file. */ |
| 205 | |
| 206 | static void |
| 207 | gld${EMULATION_NAME}_stat_needed (s) |
| 208 | lang_input_statement_type *s; |
| 209 | { |
| 210 | struct stat st; |
| 211 | const char *suffix; |
| 212 | const char *soname; |
| 213 | |
| 214 | if (global_found) |
| 215 | return; |
| 216 | if (s->the_bfd == NULL) |
| 217 | return; |
| 218 | |
| 219 | if (bfd_stat (s->the_bfd, &st) != 0) |
| 220 | { |
| 221 | einfo ("%P:%B: bfd_stat failed: %E\n", s->the_bfd); |
| 222 | return; |
| 223 | } |
| 224 | |
| 225 | if (st.st_dev == global_stat.st_dev |
| 226 | && st.st_ino == global_stat.st_ino) |
| 227 | { |
| 228 | global_found = true; |
| 229 | return; |
| 230 | } |
| 231 | |
| 232 | /* We issue a warning if it looks like we are including two |
| 233 | different versions of the same shared library. For example, |
| 234 | there may be a problem if -lc picks up libc.so.6 but some other |
| 235 | shared library has a DT_NEEDED entry of libc.so.5. This is a |
| 236 | heuristic test, and it will only work if the name looks like |
| 237 | NAME.so.VERSION. FIXME: Depending on file names is error-prone. |
| 238 | If we really want to issue warnings about mixing version numbers |
| 239 | of shared libraries, we need to find a better way. */ |
| 240 | |
| 241 | if (strchr (global_needed->name, '/') != NULL) |
| 242 | return; |
| 243 | suffix = strstr (global_needed->name, ".so."); |
| 244 | if (suffix == NULL) |
| 245 | return; |
| 246 | suffix += sizeof ".so." - 1; |
| 247 | |
| 248 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
| 249 | if (soname == NULL) |
| 250 | soname = lbasename (s->filename); |
| 251 | |
| 252 | if (strncmp (soname, global_needed->name, suffix - global_needed->name) == 0) |
| 253 | einfo ("%P: warning: %s, needed by %B, may conflict with %s\n", |
| 254 | global_needed->name, global_needed->by, soname); |
| 255 | } |
| 256 | |
| 257 | |
| 258 | /* This function is called for each possible name for a dynamic object |
| 259 | named by a DT_NEEDED entry. The FORCE parameter indicates whether |
| 260 | to skip the check for a conflicting version. */ |
| 261 | |
| 262 | static boolean |
| 263 | gld${EMULATION_NAME}_try_needed (name, force) |
| 264 | const char *name; |
| 265 | int force; |
| 266 | { |
| 267 | bfd *abfd; |
| 268 | const char *soname; |
| 269 | |
| 270 | abfd = bfd_openr (name, bfd_get_target (output_bfd)); |
| 271 | if (abfd == NULL) |
| 272 | return false; |
| 273 | if (! bfd_check_format (abfd, bfd_object)) |
| 274 | { |
| 275 | bfd_close (abfd); |
| 276 | return false; |
| 277 | } |
| 278 | if ((bfd_get_file_flags (abfd) & DYNAMIC) == 0) |
| 279 | { |
| 280 | bfd_close (abfd); |
| 281 | return false; |
| 282 | } |
| 283 | |
| 284 | /* For DT_NEEDED, they have to match. */ |
| 285 | if (abfd->xvec != output_bfd->xvec) |
| 286 | { |
| 287 | bfd_close (abfd); |
| 288 | return false; |
| 289 | } |
| 290 | |
| 291 | /* Check whether this object would include any conflicting library |
| 292 | versions. If FORCE is set, then we skip this check; we use this |
| 293 | the second time around, if we couldn't find any compatible |
| 294 | instance of the shared library. */ |
| 295 | |
| 296 | if (! force) |
| 297 | { |
| 298 | struct bfd_link_needed_list *needed; |
| 299 | |
| 300 | if (! bfd_elf_get_bfd_needed_list (abfd, &needed)) |
| 301 | einfo ("%F%P:%B: bfd_elf_get_bfd_needed_list failed: %E\n", abfd); |
| 302 | |
| 303 | if (needed != NULL) |
| 304 | { |
| 305 | global_vercheck_needed = needed; |
| 306 | global_vercheck_failed = false; |
| 307 | lang_for_each_input_file (gld${EMULATION_NAME}_vercheck); |
| 308 | if (global_vercheck_failed) |
| 309 | { |
| 310 | bfd_close (abfd); |
| 311 | /* Return false to force the caller to move on to try |
| 312 | another file on the search path. */ |
| 313 | return false; |
| 314 | } |
| 315 | |
| 316 | /* But wait! It gets much worse. On Linux, if a shared |
| 317 | library does not use libc at all, we are supposed to skip |
| 318 | it the first time around in case we encounter a shared |
| 319 | library later on with the same name which does use the |
| 320 | version of libc that we want. This is much too horrible |
| 321 | to use on any system other than Linux. */ |
| 322 | |
| 323 | EOF |
| 324 | case ${target} in |
| 325 | *-*-linux-gnu*) |
| 326 | cat >>e${EMULATION_NAME}.c <<EOF |
| 327 | { |
| 328 | struct bfd_link_needed_list *l; |
| 329 | |
| 330 | for (l = needed; l != NULL; l = l->next) |
| 331 | if (strncmp (l->name, "libc.so", 7) == 0) |
| 332 | break; |
| 333 | if (l == NULL) |
| 334 | { |
| 335 | bfd_close (abfd); |
| 336 | return false; |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | EOF |
| 341 | ;; |
| 342 | esac |
| 343 | cat >>e${EMULATION_NAME}.c <<EOF |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | /* We've found a dynamic object matching the DT_NEEDED entry. */ |
| 348 | |
| 349 | /* We have already checked that there is no other input file of the |
| 350 | same name. We must now check again that we are not including the |
| 351 | same file twice. We need to do this because on many systems |
| 352 | libc.so is a symlink to, e.g., libc.so.1. The SONAME entry will |
| 353 | reference libc.so.1. If we have already included libc.so, we |
| 354 | don't want to include libc.so.1 if they are the same file, and we |
| 355 | can only check that using stat. */ |
| 356 | |
| 357 | if (bfd_stat (abfd, &global_stat) != 0) |
| 358 | einfo ("%F%P:%B: bfd_stat failed: %E\n", abfd); |
| 359 | |
| 360 | /* First strip off everything before the last '/'. */ |
| 361 | soname = lbasename (abfd->filename); |
| 362 | |
| 363 | if (trace_file_tries) |
| 364 | info_msg (_("found %s at %s\n"), soname, name); |
| 365 | |
| 366 | global_found = false; |
| 367 | lang_for_each_input_file (gld${EMULATION_NAME}_stat_needed); |
| 368 | if (global_found) |
| 369 | { |
| 370 | /* Return true to indicate that we found the file, even though |
| 371 | we aren't going to do anything with it. */ |
| 372 | return true; |
| 373 | } |
| 374 | |
| 375 | /* Tell the ELF backend that we don't want the output file to have a |
| 376 | DT_NEEDED entry for this file. */ |
| 377 | bfd_elf_set_dt_needed_name (abfd, ""); |
| 378 | |
| 379 | /* Tell the ELF backend that the output file needs a DT_NEEDED |
| 380 | entry for this file if it is used to resolve the reference in |
| 381 | a regular object. */ |
| 382 | bfd_elf_set_dt_needed_soname (abfd, soname); |
| 383 | |
| 384 | /* Add this file into the symbol table. */ |
| 385 | if (! bfd_link_add_symbols (abfd, &link_info)) |
| 386 | einfo ("%F%B: could not read symbols: %E\n", abfd); |
| 387 | |
| 388 | return true; |
| 389 | } |
| 390 | |
| 391 | |
| 392 | /* Search for a needed file in a path. */ |
| 393 | |
| 394 | static boolean |
| 395 | gld${EMULATION_NAME}_search_needed (path, name, force) |
| 396 | const char *path; |
| 397 | const char *name; |
| 398 | int force; |
| 399 | { |
| 400 | const char *s; |
| 401 | size_t len; |
| 402 | |
| 403 | if (name[0] == '/') |
| 404 | return gld${EMULATION_NAME}_try_needed (name, force); |
| 405 | |
| 406 | if (path == NULL || *path == '\0') |
| 407 | return false; |
| 408 | len = strlen (name); |
| 409 | while (1) |
| 410 | { |
| 411 | char *filename, *sset; |
| 412 | |
| 413 | s = strchr (path, ':'); |
| 414 | if (s == NULL) |
| 415 | s = path + strlen (path); |
| 416 | |
| 417 | filename = (char *) xmalloc (s - path + len + 2); |
| 418 | if (s == path) |
| 419 | sset = filename; |
| 420 | else |
| 421 | { |
| 422 | memcpy (filename, path, s - path); |
| 423 | filename[s - path] = '/'; |
| 424 | sset = filename + (s - path) + 1; |
| 425 | } |
| 426 | strcpy (sset, name); |
| 427 | |
| 428 | if (gld${EMULATION_NAME}_try_needed (filename, force)) |
| 429 | return true; |
| 430 | |
| 431 | free (filename); |
| 432 | |
| 433 | if (*s == '\0') |
| 434 | break; |
| 435 | path = s + 1; |
| 436 | } |
| 437 | |
| 438 | return false; |
| 439 | } |
| 440 | |
| 441 | EOF |
| 442 | if [ "x${host}" = "x${target}" ] ; then |
| 443 | case " ${EMULATION_LIBPATH} " in |
| 444 | *" ${EMULATION_NAME} "*) |
| 445 | case ${target} in |
| 446 | *-*-linux-gnu*) |
| 447 | cat >>e${EMULATION_NAME}.c <<EOF |
| 448 | |
| 449 | /* For a native linker, check the file /etc/ld.so.conf for directories |
| 450 | in which we may find shared libraries. /etc/ld.so.conf is really |
| 451 | only meaningful on Linux. */ |
| 452 | |
| 453 | static boolean gld${EMULATION_NAME}_check_ld_so_conf |
| 454 | PARAMS ((const char *, int)); |
| 455 | |
| 456 | static boolean |
| 457 | gld${EMULATION_NAME}_check_ld_so_conf (name, force) |
| 458 | const char *name; |
| 459 | int force; |
| 460 | { |
| 461 | static boolean initialized; |
| 462 | static char *ld_so_conf; |
| 463 | |
| 464 | if (! initialized) |
| 465 | { |
| 466 | FILE *f; |
| 467 | |
| 468 | f = fopen ("/etc/ld.so.conf", FOPEN_RT); |
| 469 | if (f != NULL) |
| 470 | { |
| 471 | char *b; |
| 472 | size_t len, alloc; |
| 473 | int c; |
| 474 | |
| 475 | len = 0; |
| 476 | alloc = 100; |
| 477 | b = (char *) xmalloc (alloc); |
| 478 | |
| 479 | while ((c = getc (f)) != EOF) |
| 480 | { |
| 481 | if (len + 1 >= alloc) |
| 482 | { |
| 483 | alloc *= 2; |
| 484 | b = (char *) xrealloc (b, alloc); |
| 485 | } |
| 486 | if (c != ':' |
| 487 | && c != ' ' |
| 488 | && c != '\t' |
| 489 | && c != '\n' |
| 490 | && c != ',') |
| 491 | { |
| 492 | b[len] = c; |
| 493 | ++len; |
| 494 | } |
| 495 | else |
| 496 | { |
| 497 | if (len > 0 && b[len - 1] != ':') |
| 498 | { |
| 499 | b[len] = ':'; |
| 500 | ++len; |
| 501 | } |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | if (len > 0 && b[len - 1] == ':') |
| 506 | --len; |
| 507 | |
| 508 | if (len > 0) |
| 509 | b[len] = '\0'; |
| 510 | else |
| 511 | { |
| 512 | free (b); |
| 513 | b = NULL; |
| 514 | } |
| 515 | |
| 516 | fclose (f); |
| 517 | |
| 518 | ld_so_conf = b; |
| 519 | } |
| 520 | |
| 521 | initialized = true; |
| 522 | } |
| 523 | |
| 524 | if (ld_so_conf == NULL) |
| 525 | return false; |
| 526 | |
| 527 | return gld${EMULATION_NAME}_search_needed (ld_so_conf, name, force); |
| 528 | } |
| 529 | |
| 530 | EOF |
| 531 | # Linux |
| 532 | ;; |
| 533 | esac |
| 534 | esac |
| 535 | fi |
| 536 | cat >>e${EMULATION_NAME}.c <<EOF |
| 537 | |
| 538 | /* See if an input file matches a DT_NEEDED entry by name. */ |
| 539 | |
| 540 | static void |
| 541 | gld${EMULATION_NAME}_check_needed (s) |
| 542 | lang_input_statement_type *s; |
| 543 | { |
| 544 | if (global_found) |
| 545 | return; |
| 546 | |
| 547 | if (s->filename != NULL) |
| 548 | { |
| 549 | const char *f; |
| 550 | |
| 551 | if (strcmp (s->filename, global_needed->name) == 0) |
| 552 | { |
| 553 | global_found = true; |
| 554 | return; |
| 555 | } |
| 556 | |
| 557 | if (s->search_dirs_flag) |
| 558 | { |
| 559 | f = strrchr (s->filename, '/'); |
| 560 | if (f != NULL |
| 561 | && strcmp (f + 1, global_needed->name) == 0) |
| 562 | { |
| 563 | global_found = true; |
| 564 | return; |
| 565 | } |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | if (s->the_bfd != NULL) |
| 570 | { |
| 571 | const char *soname; |
| 572 | |
| 573 | soname = bfd_elf_get_dt_soname (s->the_bfd); |
| 574 | if (soname != NULL |
| 575 | && strcmp (soname, global_needed->name) == 0) |
| 576 | { |
| 577 | global_found = true; |
| 578 | return; |
| 579 | } |
| 580 | } |
| 581 | } |
| 582 | |
| 583 | EOF |
| 584 | |
| 585 | if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then |
| 586 | cat >>e${EMULATION_NAME}.c <<EOF |
| 587 | |
| 588 | /* This is called after all the input files have been opened. */ |
| 589 | |
| 590 | static void |
| 591 | gld${EMULATION_NAME}_after_open () |
| 592 | { |
| 593 | struct bfd_link_needed_list *needed, *l; |
| 594 | |
| 595 | /* We only need to worry about this when doing a final link. */ |
| 596 | if (link_info.relocateable || link_info.shared) |
| 597 | return; |
| 598 | |
| 599 | /* Get the list of files which appear in DT_NEEDED entries in |
| 600 | dynamic objects included in the link (often there will be none). |
| 601 | For each such file, we want to track down the corresponding |
| 602 | library, and include the symbol table in the link. This is what |
| 603 | the runtime dynamic linker will do. Tracking the files down here |
| 604 | permits one dynamic object to include another without requiring |
| 605 | special action by the person doing the link. Note that the |
| 606 | needed list can actually grow while we are stepping through this |
| 607 | loop. */ |
| 608 | needed = bfd_elf_get_needed_list (output_bfd, &link_info); |
| 609 | for (l = needed; l != NULL; l = l->next) |
| 610 | { |
| 611 | struct bfd_link_needed_list *ll; |
| 612 | int force; |
| 613 | |
| 614 | /* If we've already seen this file, skip it. */ |
| 615 | for (ll = needed; ll != l; ll = ll->next) |
| 616 | if (strcmp (ll->name, l->name) == 0) |
| 617 | break; |
| 618 | if (ll != l) |
| 619 | continue; |
| 620 | |
| 621 | /* See if this file was included in the link explicitly. */ |
| 622 | global_needed = l; |
| 623 | global_found = false; |
| 624 | lang_for_each_input_file (gld${EMULATION_NAME}_check_needed); |
| 625 | if (global_found) |
| 626 | continue; |
| 627 | |
| 628 | if (trace_file_tries) |
| 629 | info_msg (_("%s needed by %B\n"), l->name, l->by); |
| 630 | |
| 631 | /* We need to find this file and include the symbol table. We |
| 632 | want to search for the file in the same way that the dynamic |
| 633 | linker will search. That means that we want to use |
| 634 | rpath_link, rpath, then the environment variable |
| 635 | LD_LIBRARY_PATH (native only), then the DT_RPATH/DT_RUNPATH |
| 636 | entries (native only), then the linker script LIB_SEARCH_DIRS. |
| 637 | We do not search using the -L arguments. |
| 638 | |
| 639 | We search twice. The first time, we skip objects which may |
| 640 | introduce version mismatches. The second time, we force |
| 641 | their use. See gld${EMULATION_NAME}_vercheck comment. */ |
| 642 | for (force = 0; force < 2; force++) |
| 643 | { |
| 644 | size_t len; |
| 645 | search_dirs_type *search; |
| 646 | EOF |
| 647 | if [ "x${host}" = "x${target}" ] ; then |
| 648 | case " ${EMULATION_LIBPATH} " in |
| 649 | *" ${EMULATION_NAME} "*) |
| 650 | cat >>e${EMULATION_NAME}.c <<EOF |
| 651 | const char *lib_path; |
| 652 | struct bfd_link_needed_list *rp; |
| 653 | int found; |
| 654 | EOF |
| 655 | ;; |
| 656 | esac |
| 657 | fi |
| 658 | cat >>e${EMULATION_NAME}.c <<EOF |
| 659 | |
| 660 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath_link, |
| 661 | l->name, force)) |
| 662 | break; |
| 663 | EOF |
| 664 | if [ "x${host}" = "x${target}" ] ; then |
| 665 | case " ${EMULATION_LIBPATH} " in |
| 666 | *" ${EMULATION_NAME} "*) |
| 667 | cat >>e${EMULATION_NAME}.c <<EOF |
| 668 | if (gld${EMULATION_NAME}_search_needed (command_line.rpath, |
| 669 | l->name, force)) |
| 670 | break; |
| 671 | if (command_line.rpath_link == NULL |
| 672 | && command_line.rpath == NULL) |
| 673 | { |
| 674 | lib_path = (const char *) getenv ("LD_RUN_PATH"); |
| 675 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, |
| 676 | force)) |
| 677 | break; |
| 678 | } |
| 679 | lib_path = (const char *) getenv ("LD_LIBRARY_PATH"); |
| 680 | if (gld${EMULATION_NAME}_search_needed (lib_path, l->name, force)) |
| 681 | break; |
| 682 | |
| 683 | found = 0; |
| 684 | rp = bfd_elf_get_runpath_list (output_bfd, &link_info); |
| 685 | for (; !found && rp != NULL; rp = rp->next) |
| 686 | { |
| 687 | found = (rp->by == l->by |
| 688 | && gld${EMULATION_NAME}_search_needed (rp->name, |
| 689 | l->name, |
| 690 | force)); |
| 691 | } |
| 692 | if (found) |
| 693 | break; |
| 694 | |
| 695 | EOF |
| 696 | ;; |
| 697 | esac |
| 698 | fi |
| 699 | cat >>e${EMULATION_NAME}.c <<EOF |
| 700 | len = strlen (l->name); |
| 701 | for (search = search_head; search != NULL; search = search->next) |
| 702 | { |
| 703 | char *filename; |
| 704 | |
| 705 | if (search->cmdline) |
| 706 | continue; |
| 707 | filename = (char *) xmalloc (strlen (search->name) + len + 2); |
| 708 | sprintf (filename, "%s/%s", search->name, l->name); |
| 709 | if (gld${EMULATION_NAME}_try_needed (filename, force)) |
| 710 | break; |
| 711 | free (filename); |
| 712 | } |
| 713 | if (search != NULL) |
| 714 | break; |
| 715 | EOF |
| 716 | if [ "x${host}" = "x${target}" ] ; then |
| 717 | case " ${EMULATION_LIBPATH} " in |
| 718 | *" ${EMULATION_NAME} "*) |
| 719 | case ${target} in |
| 720 | *-*-linux-gnu*) |
| 721 | cat >>e${EMULATION_NAME}.c <<EOF |
| 722 | if (gld${EMULATION_NAME}_check_ld_so_conf (l->name, force)) |
| 723 | break; |
| 724 | EOF |
| 725 | # Linux |
| 726 | ;; |
| 727 | esac |
| 728 | ;; |
| 729 | esac |
| 730 | fi |
| 731 | cat >>e${EMULATION_NAME}.c <<EOF |
| 732 | } |
| 733 | |
| 734 | if (force < 2) |
| 735 | continue; |
| 736 | |
| 737 | einfo ("%P: warning: %s, needed by %B, not found (try using -rpath or -rpath-link)\n", |
| 738 | l->name, l->by); |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | EOF |
| 743 | fi |
| 744 | |
| 745 | cat >>e${EMULATION_NAME}.c <<EOF |
| 746 | |
| 747 | /* Look through an expression for an assignment statement. */ |
| 748 | |
| 749 | static void |
| 750 | gld${EMULATION_NAME}_find_exp_assignment (exp) |
| 751 | etree_type *exp; |
| 752 | { |
| 753 | struct bfd_link_hash_entry *h; |
| 754 | |
| 755 | switch (exp->type.node_class) |
| 756 | { |
| 757 | case etree_provide: |
| 758 | h = bfd_link_hash_lookup (link_info.hash, exp->assign.dst, |
| 759 | false, false, false); |
| 760 | if (h == NULL) |
| 761 | break; |
| 762 | |
| 763 | /* We call record_link_assignment even if the symbol is defined. |
| 764 | This is because if it is defined by a dynamic object, we |
| 765 | actually want to use the value defined by the linker script, |
| 766 | not the value from the dynamic object (because we are setting |
| 767 | symbols like etext). If the symbol is defined by a regular |
| 768 | object, then, as it happens, calling record_link_assignment |
| 769 | will do no harm. */ |
| 770 | |
| 771 | /* Fall through. */ |
| 772 | case etree_assign: |
| 773 | if (strcmp (exp->assign.dst, ".") != 0) |
| 774 | { |
| 775 | if (! (bfd_elf${ELFSIZE}_record_link_assignment |
| 776 | (output_bfd, &link_info, exp->assign.dst, |
| 777 | exp->type.node_class == etree_provide ? true : false))) |
| 778 | einfo ("%P%F: failed to record assignment to %s: %E\n", |
| 779 | exp->assign.dst); |
| 780 | } |
| 781 | gld${EMULATION_NAME}_find_exp_assignment (exp->assign.src); |
| 782 | break; |
| 783 | |
| 784 | case etree_binary: |
| 785 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.lhs); |
| 786 | gld${EMULATION_NAME}_find_exp_assignment (exp->binary.rhs); |
| 787 | break; |
| 788 | |
| 789 | case etree_trinary: |
| 790 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.cond); |
| 791 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.lhs); |
| 792 | gld${EMULATION_NAME}_find_exp_assignment (exp->trinary.rhs); |
| 793 | break; |
| 794 | |
| 795 | case etree_unary: |
| 796 | gld${EMULATION_NAME}_find_exp_assignment (exp->unary.child); |
| 797 | break; |
| 798 | |
| 799 | default: |
| 800 | break; |
| 801 | } |
| 802 | } |
| 803 | |
| 804 | |
| 805 | /* This is called by the before_allocation routine via |
| 806 | lang_for_each_statement. It locates any assignment statements, and |
| 807 | tells the ELF backend about them, in case they are assignments to |
| 808 | symbols which are referred to by dynamic objects. */ |
| 809 | |
| 810 | static void |
| 811 | gld${EMULATION_NAME}_find_statement_assignment (s) |
| 812 | lang_statement_union_type *s; |
| 813 | { |
| 814 | if (s->header.type == lang_assignment_statement_enum) |
| 815 | gld${EMULATION_NAME}_find_exp_assignment (s->assignment_statement.exp); |
| 816 | } |
| 817 | |
| 818 | EOF |
| 819 | |
| 820 | if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then |
| 821 | if test x"${ELF_INTERPRETER_NAME+set}" = xset; then |
| 822 | ELF_INTERPRETER_SET_DEFAULT=" |
| 823 | if (sinterp != NULL) |
| 824 | { |
| 825 | sinterp->contents = ${ELF_INTERPRETER_NAME}; |
| 826 | sinterp->_raw_size = strlen (sinterp->contents) + 1; |
| 827 | } |
| 828 | |
| 829 | " |
| 830 | else |
| 831 | ELF_INTERPRETER_SET_DEFAULT= |
| 832 | fi |
| 833 | cat >>e${EMULATION_NAME}.c <<EOF |
| 834 | |
| 835 | /* This is called after the sections have been attached to output |
| 836 | sections, but before any sizes or addresses have been set. */ |
| 837 | |
| 838 | static void |
| 839 | gld${EMULATION_NAME}_before_allocation () |
| 840 | { |
| 841 | const char *rpath; |
| 842 | asection *sinterp; |
| 843 | |
| 844 | /* If we are going to make any variable assignments, we need to let |
| 845 | the ELF backend know about them in case the variables are |
| 846 | referred to by dynamic objects. */ |
| 847 | lang_for_each_statement (gld${EMULATION_NAME}_find_statement_assignment); |
| 848 | |
| 849 | /* Let the ELF backend work out the sizes of any sections required |
| 850 | by dynamic linking. */ |
| 851 | rpath = command_line.rpath; |
| 852 | if (rpath == NULL) |
| 853 | rpath = (const char *) getenv ("LD_RUN_PATH"); |
| 854 | if (! (bfd_elf${ELFSIZE}_size_dynamic_sections |
| 855 | (output_bfd, command_line.soname, rpath, |
| 856 | command_line.filter_shlib, |
| 857 | (const char * const *) command_line.auxiliary_filters, |
| 858 | &link_info, &sinterp, lang_elf_version_info))) |
| 859 | einfo ("%P%F: failed to set dynamic section sizes: %E\n"); |
| 860 | ${ELF_INTERPRETER_SET_DEFAULT} |
| 861 | /* Let the user override the dynamic linker we are using. */ |
| 862 | if (command_line.interpreter != NULL |
| 863 | && sinterp != NULL) |
| 864 | { |
| 865 | sinterp->contents = (bfd_byte *) command_line.interpreter; |
| 866 | sinterp->_raw_size = strlen (command_line.interpreter) + 1; |
| 867 | } |
| 868 | |
| 869 | /* Look for any sections named .gnu.warning. As a GNU extensions, |
| 870 | we treat such sections as containing warning messages. We print |
| 871 | out the warning message, and then zero out the section size so |
| 872 | that it does not get copied into the output file. */ |
| 873 | |
| 874 | { |
| 875 | LANG_FOR_EACH_INPUT_STATEMENT (is) |
| 876 | { |
| 877 | asection *s; |
| 878 | bfd_size_type sz; |
| 879 | char *msg; |
| 880 | boolean ret; |
| 881 | |
| 882 | if (is->just_syms_flag) |
| 883 | continue; |
| 884 | |
| 885 | s = bfd_get_section_by_name (is->the_bfd, ".gnu.warning"); |
| 886 | if (s == NULL) |
| 887 | continue; |
| 888 | |
| 889 | sz = bfd_section_size (is->the_bfd, s); |
| 890 | msg = xmalloc ((size_t) sz + 1); |
| 891 | if (! bfd_get_section_contents (is->the_bfd, s, msg, (file_ptr) 0, sz)) |
| 892 | einfo ("%F%B: Can't read contents of section .gnu.warning: %E\n", |
| 893 | is->the_bfd); |
| 894 | msg[sz] = '\0'; |
| 895 | ret = link_info.callbacks->warning (&link_info, msg, |
| 896 | (const char *) NULL, |
| 897 | is->the_bfd, (asection *) NULL, |
| 898 | (bfd_vma) 0); |
| 899 | ASSERT (ret); |
| 900 | free (msg); |
| 901 | |
| 902 | /* Clobber the section size, so that we don't waste copying the |
| 903 | warning into the output file. */ |
| 904 | s->_raw_size = 0; |
| 905 | } |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | EOF |
| 910 | fi |
| 911 | |
| 912 | if test x"$LDEMUL_OPEN_DYNAMIC_ARCHIVE" != xgld"$EMULATION_NAME"_open_dynamic_archive; then |
| 913 | cat >>e${EMULATION_NAME}.c <<EOF |
| 914 | |
| 915 | /* Try to open a dynamic archive. This is where we know that ELF |
| 916 | dynamic libraries have an extension of .so (or .sl on oddball systems |
| 917 | like hpux). */ |
| 918 | |
| 919 | static boolean |
| 920 | gld${EMULATION_NAME}_open_dynamic_archive (arch, search, entry) |
| 921 | const char *arch; |
| 922 | search_dirs_type *search; |
| 923 | lang_input_statement_type *entry; |
| 924 | { |
| 925 | const char *filename; |
| 926 | char *string; |
| 927 | |
| 928 | if (! entry->is_archive) |
| 929 | return false; |
| 930 | |
| 931 | filename = entry->filename; |
| 932 | |
| 933 | /* This allocates a few bytes too many when EXTRA_SHLIB_EXTENSION |
| 934 | is defined, but it does not seem worth the headache to optimize |
| 935 | away those two bytes of space. */ |
| 936 | string = (char *) xmalloc (strlen (search->name) |
| 937 | + strlen (filename) |
| 938 | + strlen (arch) |
| 939 | #ifdef EXTRA_SHLIB_EXTENSION |
| 940 | + strlen (EXTRA_SHLIB_EXTENSION) |
| 941 | #endif |
| 942 | + sizeof "/lib.so"); |
| 943 | |
| 944 | sprintf (string, "%s/lib%s%s.so", search->name, filename, arch); |
| 945 | |
| 946 | #ifdef EXTRA_SHLIB_EXTENSION |
| 947 | /* Try the .so extension first. If that fails build a new filename |
| 948 | using EXTRA_SHLIB_EXTENSION. */ |
| 949 | if (! ldfile_try_open_bfd (string, entry)) |
| 950 | sprintf (string, "%s/lib%s%s%s", search->name, |
| 951 | filename, arch, EXTRA_SHLIB_EXTENSION); |
| 952 | #endif |
| 953 | |
| 954 | if (! ldfile_try_open_bfd (string, entry)) |
| 955 | { |
| 956 | free (string); |
| 957 | return false; |
| 958 | } |
| 959 | |
| 960 | entry->filename = string; |
| 961 | |
| 962 | /* We have found a dynamic object to include in the link. The ELF |
| 963 | backend linker will create a DT_NEEDED entry in the .dynamic |
| 964 | section naming this file. If this file includes a DT_SONAME |
| 965 | entry, it will be used. Otherwise, the ELF linker will just use |
| 966 | the name of the file. For an archive found by searching, like |
| 967 | this one, the DT_NEEDED entry should consist of just the name of |
| 968 | the file, without the path information used to find it. Note |
| 969 | that we only need to do this if we have a dynamic object; an |
| 970 | archive will never be referenced by a DT_NEEDED entry. |
| 971 | |
| 972 | FIXME: This approach--using bfd_elf_set_dt_needed_name--is not |
| 973 | very pretty. I haven't been able to think of anything that is |
| 974 | pretty, though. */ |
| 975 | if (bfd_check_format (entry->the_bfd, bfd_object) |
| 976 | && (entry->the_bfd->flags & DYNAMIC) != 0) |
| 977 | { |
| 978 | ASSERT (entry->is_archive && entry->search_dirs_flag); |
| 979 | |
| 980 | /* Rather than duplicating the logic above. Just use the |
| 981 | filename we recorded earlier. */ |
| 982 | |
| 983 | filename = lbasename (entry->filename); |
| 984 | bfd_elf_set_dt_needed_name (entry->the_bfd, filename); |
| 985 | } |
| 986 | |
| 987 | return true; |
| 988 | } |
| 989 | |
| 990 | EOF |
| 991 | fi |
| 992 | |
| 993 | if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then |
| 994 | cat >>e${EMULATION_NAME}.c <<EOF |
| 995 | |
| 996 | /* A variant of lang_output_section_find. Used by place_orphan. */ |
| 997 | |
| 998 | static lang_output_section_statement_type * |
| 999 | output_rel_find () |
| 1000 | { |
| 1001 | lang_statement_union_type *u; |
| 1002 | lang_output_section_statement_type *lookup; |
| 1003 | |
| 1004 | for (u = lang_output_section_statement.head; |
| 1005 | u != (lang_statement_union_type *) NULL; |
| 1006 | u = lookup->next) |
| 1007 | { |
| 1008 | lookup = &u->output_section_statement; |
| 1009 | if (strncmp (".rel", lookup->name, 4) == 0 |
| 1010 | && lookup->bfd_section != NULL |
| 1011 | && (lookup->bfd_section->flags & SEC_ALLOC) != 0) |
| 1012 | { |
| 1013 | return lookup; |
| 1014 | } |
| 1015 | } |
| 1016 | return (lang_output_section_statement_type *) NULL; |
| 1017 | } |
| 1018 | |
| 1019 | /* Find the last output section before given output statement. |
| 1020 | Used by place_orphan. */ |
| 1021 | |
| 1022 | static asection * |
| 1023 | output_prev_sec_find (os) |
| 1024 | lang_output_section_statement_type *os; |
| 1025 | { |
| 1026 | asection *s = (asection *) NULL; |
| 1027 | lang_statement_union_type *u; |
| 1028 | lang_output_section_statement_type *lookup; |
| 1029 | |
| 1030 | for (u = lang_output_section_statement.head; |
| 1031 | u != (lang_statement_union_type *) NULL; |
| 1032 | u = lookup->next) |
| 1033 | { |
| 1034 | lookup = &u->output_section_statement; |
| 1035 | if (lookup == os) |
| 1036 | return s; |
| 1037 | |
| 1038 | if (lookup->bfd_section != NULL && lookup->bfd_section->owner != NULL) |
| 1039 | s = lookup->bfd_section; |
| 1040 | } |
| 1041 | |
| 1042 | return NULL; |
| 1043 | } |
| 1044 | |
| 1045 | /* Place an orphan section. We use this to put random SHF_ALLOC |
| 1046 | sections in the right segment. */ |
| 1047 | |
| 1048 | struct orphan_save { |
| 1049 | lang_output_section_statement_type *os; |
| 1050 | asection **section; |
| 1051 | lang_statement_union_type **stmt; |
| 1052 | }; |
| 1053 | |
| 1054 | static boolean |
| 1055 | gld${EMULATION_NAME}_place_orphan (file, s) |
| 1056 | lang_input_statement_type *file; |
| 1057 | asection *s; |
| 1058 | { |
| 1059 | static struct orphan_save hold_text; |
| 1060 | static struct orphan_save hold_rodata; |
| 1061 | static struct orphan_save hold_data; |
| 1062 | static struct orphan_save hold_bss; |
| 1063 | static struct orphan_save hold_rel; |
| 1064 | static struct orphan_save hold_interp; |
| 1065 | static struct orphan_save hold_sdata; |
| 1066 | static int count = 1; |
| 1067 | struct orphan_save *place; |
| 1068 | lang_statement_list_type *old; |
| 1069 | lang_statement_list_type add; |
| 1070 | etree_type *address; |
| 1071 | const char *secname; |
| 1072 | const char *outsecname; |
| 1073 | const char *ps = NULL; |
| 1074 | lang_output_section_statement_type *os; |
| 1075 | |
| 1076 | secname = bfd_get_section_name (s->owner, s); |
| 1077 | |
| 1078 | if (! config.unique_orphan_sections && ! unique_section_p (secname)) |
| 1079 | { |
| 1080 | /* Look through the script to see where to place this section. */ |
| 1081 | os = lang_output_section_find (secname); |
| 1082 | |
| 1083 | if (os != NULL |
| 1084 | && (os->bfd_section == NULL |
| 1085 | || ((s->flags ^ os->bfd_section->flags) |
| 1086 | & (SEC_LOAD | SEC_ALLOC)) == 0)) |
| 1087 | { |
| 1088 | /* We already have an output section statement with this |
| 1089 | name, and its bfd section, if any, has compatible flags. */ |
| 1090 | lang_add_section (&os->children, s, os, file); |
| 1091 | return true; |
| 1092 | } |
| 1093 | } |
| 1094 | |
| 1095 | if (hold_text.os == NULL) |
| 1096 | hold_text.os = lang_output_section_find (".text"); |
| 1097 | |
| 1098 | /* If this is a final link, then always put .gnu.warning.SYMBOL |
| 1099 | sections into the .text section to get them out of the way. */ |
| 1100 | if (! link_info.shared |
| 1101 | && ! link_info.relocateable |
| 1102 | && strncmp (secname, ".gnu.warning.", sizeof ".gnu.warning." - 1) == 0 |
| 1103 | && hold_text.os != NULL) |
| 1104 | { |
| 1105 | lang_add_section (&hold_text.os->children, s, hold_text.os, file); |
| 1106 | return true; |
| 1107 | } |
| 1108 | |
| 1109 | /* Decide which segment the section should go in based on the |
| 1110 | section name and section flags. We put loadable .note sections |
| 1111 | right after the .interp section, so that the PT_NOTE segment is |
| 1112 | stored right after the program headers where the OS can read it |
| 1113 | in the first page. */ |
| 1114 | #define HAVE_SECTION(hold, name) \ |
| 1115 | (hold.os != NULL || (hold.os = lang_output_section_find (name)) != NULL) |
| 1116 | |
| 1117 | if ((s->flags & SEC_EXCLUDE) != 0 && !link_info.relocateable) |
| 1118 | { |
| 1119 | if (s->output_section == NULL) |
| 1120 | s->output_section = bfd_abs_section_ptr; |
| 1121 | return true; |
| 1122 | } |
| 1123 | |
| 1124 | place = NULL; |
| 1125 | if ((s->flags & SEC_ALLOC) == 0) |
| 1126 | ; |
| 1127 | else if ((s->flags & SEC_LOAD) != 0 |
| 1128 | && strncmp (secname, ".note", 5) == 0 |
| 1129 | && HAVE_SECTION (hold_interp, ".interp")) |
| 1130 | place = &hold_interp; |
| 1131 | else if ((s->flags & SEC_HAS_CONTENTS) == 0 |
| 1132 | && HAVE_SECTION (hold_bss, ".bss")) |
| 1133 | place = &hold_bss; |
| 1134 | else if ((s->flags & SEC_SMALL_DATA) != 0 |
| 1135 | && HAVE_SECTION (hold_sdata, ".sdata")) |
| 1136 | place = &hold_sdata; |
| 1137 | else if ((s->flags & SEC_READONLY) == 0 |
| 1138 | && HAVE_SECTION (hold_data, ".data")) |
| 1139 | place = &hold_data; |
| 1140 | else if (strncmp (secname, ".rel", 4) == 0 |
| 1141 | && (hold_rel.os != NULL |
| 1142 | || (hold_rel.os = output_rel_find ()) != NULL)) |
| 1143 | { |
| 1144 | if (! link_info.relocateable && link_info.combreloc) |
| 1145 | { |
| 1146 | if (strncmp (secname, ".rela", 5) == 0) |
| 1147 | os = lang_output_section_find (".rela.dyn"); |
| 1148 | else |
| 1149 | os = lang_output_section_find (".rel.dyn"); |
| 1150 | |
| 1151 | if (os != NULL |
| 1152 | && os->bfd_section != NULL |
| 1153 | && ((s->flags ^ os->bfd_section->flags) |
| 1154 | & (SEC_LOAD | SEC_ALLOC)) == 0) |
| 1155 | { |
| 1156 | lang_add_section (&os->children, s, os, file); |
| 1157 | return true; |
| 1158 | } |
| 1159 | } |
| 1160 | place = &hold_rel; |
| 1161 | } |
| 1162 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == SEC_READONLY |
| 1163 | && HAVE_SECTION (hold_rodata, ".rodata")) |
| 1164 | place = &hold_rodata; |
| 1165 | else if ((s->flags & (SEC_CODE | SEC_READONLY)) == (SEC_CODE | SEC_READONLY) |
| 1166 | && hold_text.os != NULL) |
| 1167 | place = &hold_text; |
| 1168 | |
| 1169 | #undef HAVE_SECTION |
| 1170 | |
| 1171 | /* Choose a unique name for the section. This will be needed if the |
| 1172 | same section name appears in the input file with different |
| 1173 | loadable or allocatable characteristics. */ |
| 1174 | outsecname = secname; |
| 1175 | if (bfd_get_section_by_name (output_bfd, outsecname) != NULL) |
| 1176 | { |
| 1177 | outsecname = bfd_get_unique_section_name (output_bfd, |
| 1178 | outsecname, |
| 1179 | &count); |
| 1180 | if (outsecname == NULL) |
| 1181 | einfo ("%F%P: place_orphan failed: %E\n"); |
| 1182 | } |
| 1183 | |
| 1184 | /* Start building a list of statements for this section. |
| 1185 | First save the current statement pointer. */ |
| 1186 | old = stat_ptr; |
| 1187 | |
| 1188 | /* If we have found an appropriate place for the output section |
| 1189 | statements for this orphan, add them to our own private list, |
| 1190 | inserting them later into the global statement list. */ |
| 1191 | if (place != NULL) |
| 1192 | { |
| 1193 | stat_ptr = &add; |
| 1194 | lang_list_init (stat_ptr); |
| 1195 | } |
| 1196 | |
| 1197 | if (config.build_constructors) |
| 1198 | { |
| 1199 | /* If the name of the section is representable in C, then create |
| 1200 | symbols to mark the start and the end of the section. */ |
| 1201 | for (ps = outsecname; *ps != '\0'; ps++) |
| 1202 | if (! ISALNUM (*ps) && *ps != '_') |
| 1203 | break; |
| 1204 | if (*ps == '\0') |
| 1205 | { |
| 1206 | char *symname; |
| 1207 | etree_type *e_align; |
| 1208 | |
| 1209 | symname = (char *) xmalloc (ps - outsecname + sizeof "__start_"); |
| 1210 | sprintf (symname, "__start_%s", outsecname); |
| 1211 | e_align = exp_unop (ALIGN_K, |
| 1212 | exp_intop ((bfd_vma) 1 << s->alignment_power)); |
| 1213 | lang_add_assignment (exp_assop ('=', symname, e_align)); |
| 1214 | } |
| 1215 | } |
| 1216 | |
| 1217 | if (link_info.relocateable || (s->flags & (SEC_LOAD | SEC_ALLOC)) == 0) |
| 1218 | address = exp_intop ((bfd_vma) 0); |
| 1219 | else |
| 1220 | address = NULL; |
| 1221 | |
| 1222 | os = lang_enter_output_section_statement (outsecname, address, 0, |
| 1223 | (bfd_vma) 0, |
| 1224 | (etree_type *) NULL, |
| 1225 | (etree_type *) NULL, |
| 1226 | (etree_type *) NULL); |
| 1227 | |
| 1228 | lang_add_section (&os->children, s, os, file); |
| 1229 | |
| 1230 | lang_leave_output_section_statement |
| 1231 | ((bfd_vma) 0, "*default*", |
| 1232 | (struct lang_output_section_phdr_list *) NULL, NULL); |
| 1233 | |
| 1234 | if (config.build_constructors && *ps == '\0') |
| 1235 | { |
| 1236 | char *symname; |
| 1237 | |
| 1238 | /* lang_leave_ouput_section_statement resets stat_ptr. Put |
| 1239 | stat_ptr back where we want it. */ |
| 1240 | if (place != NULL) |
| 1241 | stat_ptr = &add; |
| 1242 | |
| 1243 | symname = (char *) xmalloc (ps - outsecname + sizeof "__stop_"); |
| 1244 | sprintf (symname, "__stop_%s", outsecname); |
| 1245 | lang_add_assignment (exp_assop ('=', symname, |
| 1246 | exp_nameop (NAME, "."))); |
| 1247 | } |
| 1248 | |
| 1249 | /* Restore the global list pointer. */ |
| 1250 | stat_ptr = old; |
| 1251 | |
| 1252 | if (place != NULL && os->bfd_section != NULL) |
| 1253 | { |
| 1254 | asection *snew, **pps; |
| 1255 | |
| 1256 | snew = os->bfd_section; |
| 1257 | |
| 1258 | /* Shuffle the bfd section list to make the output file look |
| 1259 | neater. This is really only cosmetic. */ |
| 1260 | if (place->section == NULL) |
| 1261 | { |
| 1262 | asection *bfd_section = place->os->bfd_section; |
| 1263 | |
| 1264 | /* If the output statement hasn't been used to place |
| 1265 | any input sections (and thus doesn't have an output |
| 1266 | bfd_section), look for the closest prior output statement |
| 1267 | having an output section. */ |
| 1268 | if (bfd_section == NULL) |
| 1269 | bfd_section = output_prev_sec_find (place->os); |
| 1270 | |
| 1271 | if (bfd_section != NULL && bfd_section != snew) |
| 1272 | place->section = &bfd_section->next; |
| 1273 | } |
| 1274 | |
| 1275 | if (place->section != NULL) |
| 1276 | { |
| 1277 | /* Unlink the section. */ |
| 1278 | for (pps = &output_bfd->sections; *pps != snew; pps = &(*pps)->next) |
| 1279 | ; |
| 1280 | bfd_section_list_remove (output_bfd, pps); |
| 1281 | |
| 1282 | /* Now tack it on to the "place->os" section list. */ |
| 1283 | bfd_section_list_insert (output_bfd, place->section, snew); |
| 1284 | } |
| 1285 | |
| 1286 | /* Save the end of this list. Further ophans of this type will |
| 1287 | follow the one we've just added. */ |
| 1288 | place->section = &snew->next; |
| 1289 | |
| 1290 | /* The following is non-cosmetic. We try to put the output |
| 1291 | statements in some sort of reasonable order here, because |
| 1292 | they determine the final load addresses of the orphan |
| 1293 | sections. In addition, placing output statements in the |
| 1294 | wrong order may require extra segments. For instance, |
| 1295 | given a typical situation of all read-only sections placed |
| 1296 | in one segment and following that a segment containing all |
| 1297 | the read-write sections, we wouldn't want to place an orphan |
| 1298 | read/write section before or amongst the read-only ones. */ |
| 1299 | if (add.head != NULL) |
| 1300 | { |
| 1301 | if (place->stmt == NULL) |
| 1302 | { |
| 1303 | /* Put the new statement list right at the head. */ |
| 1304 | *add.tail = place->os->header.next; |
| 1305 | place->os->header.next = add.head; |
| 1306 | } |
| 1307 | else |
| 1308 | { |
| 1309 | /* Put it after the last orphan statement we added. */ |
| 1310 | *add.tail = *place->stmt; |
| 1311 | *place->stmt = add.head; |
| 1312 | } |
| 1313 | |
| 1314 | /* Fix the global list pointer if we happened to tack our |
| 1315 | new list at the tail. */ |
| 1316 | if (*old->tail == add.head) |
| 1317 | old->tail = add.tail; |
| 1318 | |
| 1319 | /* Save the end of this list. */ |
| 1320 | place->stmt = add.tail; |
| 1321 | } |
| 1322 | } |
| 1323 | |
| 1324 | return true; |
| 1325 | } |
| 1326 | EOF |
| 1327 | fi |
| 1328 | |
| 1329 | if test x"$LDEMUL_FINISH" != xgld"$EMULATION_NAME"_finish; then |
| 1330 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1331 | |
| 1332 | static void |
| 1333 | gld${EMULATION_NAME}_finish () |
| 1334 | { |
| 1335 | if (bfd_elf${ELFSIZE}_discard_info (output_bfd, &link_info)) |
| 1336 | { |
| 1337 | lang_reset_memory_regions (); |
| 1338 | |
| 1339 | /* Resize the sections. */ |
| 1340 | lang_size_sections (stat_ptr->head, abs_output_section, |
| 1341 | &stat_ptr->head, 0, (bfd_vma) 0, NULL); |
| 1342 | |
| 1343 | /* Redo special stuff. */ |
| 1344 | ldemul_after_allocation (); |
| 1345 | |
| 1346 | /* Do the assignments again. */ |
| 1347 | lang_do_assignments (stat_ptr->head, abs_output_section, |
| 1348 | (fill_type *) 0, (bfd_vma) 0); |
| 1349 | } |
| 1350 | } |
| 1351 | EOF |
| 1352 | fi |
| 1353 | |
| 1354 | if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then |
| 1355 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1356 | |
| 1357 | static char * |
| 1358 | gld${EMULATION_NAME}_get_script (isfile) |
| 1359 | int *isfile; |
| 1360 | EOF |
| 1361 | |
| 1362 | if test -n "$COMPILE_IN" |
| 1363 | then |
| 1364 | # Scripts compiled in. |
| 1365 | |
| 1366 | # sed commands to quote an ld script as a C string. |
| 1367 | sc="-f stringify.sed" |
| 1368 | |
| 1369 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1370 | { |
| 1371 | *isfile = 0; |
| 1372 | |
| 1373 | if (link_info.relocateable == true && config.build_constructors == true) |
| 1374 | return |
| 1375 | EOF |
| 1376 | sed $sc ldscripts/${EMULATION_NAME}.xu >> e${EMULATION_NAME}.c |
| 1377 | echo ' ; else if (link_info.relocateable == true) return' >> e${EMULATION_NAME}.c |
| 1378 | sed $sc ldscripts/${EMULATION_NAME}.xr >> e${EMULATION_NAME}.c |
| 1379 | echo ' ; else if (!config.text_read_only) return' >> e${EMULATION_NAME}.c |
| 1380 | sed $sc ldscripts/${EMULATION_NAME}.xbn >> e${EMULATION_NAME}.c |
| 1381 | if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else |
| 1382 | echo ' ; else if (!config.magic_demand_paged) return' >> e${EMULATION_NAME}.c |
| 1383 | sed $sc ldscripts/${EMULATION_NAME}.xn >> e${EMULATION_NAME}.c |
| 1384 | fi |
| 1385 | if test -n "$GENERATE_SHLIB_SCRIPT" ; then |
| 1386 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
| 1387 | echo ' ; else if (link_info.shared && link_info.combreloc) return' >> e${EMULATION_NAME}.c |
| 1388 | sed $sc ldscripts/${EMULATION_NAME}.xsc >> e${EMULATION_NAME}.c |
| 1389 | fi |
| 1390 | echo ' ; else if (link_info.shared) return' >> e${EMULATION_NAME}.c |
| 1391 | sed $sc ldscripts/${EMULATION_NAME}.xs >> e${EMULATION_NAME}.c |
| 1392 | fi |
| 1393 | if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then |
| 1394 | echo ' ; else if (link_info.combreloc) return' >> e${EMULATION_NAME}.c |
| 1395 | sed $sc ldscripts/${EMULATION_NAME}.xc >> e${EMULATION_NAME}.c |
| 1396 | fi |
| 1397 | echo ' ; else return' >> e${EMULATION_NAME}.c |
| 1398 | sed $sc ldscripts/${EMULATION_NAME}.x >> e${EMULATION_NAME}.c |
| 1399 | echo '; }' >> e${EMULATION_NAME}.c |
| 1400 | |
| 1401 | else |
| 1402 | # Scripts read from the filesystem. |
| 1403 | |
| 1404 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1405 | { |
| 1406 | *isfile = 1; |
| 1407 | |
| 1408 | if (link_info.relocateable == true && config.build_constructors == true) |
| 1409 | return "ldscripts/${EMULATION_NAME}.xu"; |
| 1410 | else if (link_info.relocateable == true) |
| 1411 | return "ldscripts/${EMULATION_NAME}.xr"; |
| 1412 | else if (!config.text_read_only) |
| 1413 | return "ldscripts/${EMULATION_NAME}.xbn"; |
| 1414 | else if (!config.magic_demand_paged) |
| 1415 | return "ldscripts/${EMULATION_NAME}.xn"; |
| 1416 | else if (link_info.shared) |
| 1417 | return "ldscripts/${EMULATION_NAME}.xs"; |
| 1418 | else |
| 1419 | return "ldscripts/${EMULATION_NAME}.x"; |
| 1420 | } |
| 1421 | |
| 1422 | EOF |
| 1423 | fi |
| 1424 | fi |
| 1425 | |
| 1426 | if test -n "$PARSE_AND_LIST_ARGS_CASES" -o x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
| 1427 | |
| 1428 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
| 1429 | |
| 1430 | if test -n "$PARSE_AND_LIST_PROLOGUE" ; then |
| 1431 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1432 | $PARSE_AND_LIST_PROLOGUE |
| 1433 | EOF |
| 1434 | fi |
| 1435 | |
| 1436 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1437 | |
| 1438 | #include "getopt.h" |
| 1439 | |
| 1440 | #define OPTION_DISABLE_NEW_DTAGS (400) |
| 1441 | #define OPTION_ENABLE_NEW_DTAGS (OPTION_DISABLE_NEW_DTAGS + 1) |
| 1442 | #define OPTION_GROUP (OPTION_ENABLE_NEW_DTAGS + 1) |
| 1443 | #define OPTION_EH_FRAME_HDR (OPTION_GROUP + 1) |
| 1444 | |
| 1445 | static struct option longopts[] = |
| 1446 | { |
| 1447 | EOF |
| 1448 | |
| 1449 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
| 1450 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1451 | /* getopt allows abbreviations, so we do this to stop it from |
| 1452 | treating -d/-e as abbreviations for these options. */ |
| 1453 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
| 1454 | {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS}, |
| 1455 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, |
| 1456 | {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS}, |
| 1457 | {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR}, |
| 1458 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
| 1459 | {"Bgroup", no_argument, NULL, OPTION_GROUP}, |
| 1460 | EOF |
| 1461 | fi |
| 1462 | |
| 1463 | if test -n "$PARSE_AND_LIST_LONGOPTS" ; then |
| 1464 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1465 | $PARSE_AND_LIST_LONGOPTS |
| 1466 | EOF |
| 1467 | fi |
| 1468 | |
| 1469 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1470 | {NULL, no_argument, NULL, 0} |
| 1471 | }; |
| 1472 | |
| 1473 | |
| 1474 | static int gld${EMULATION_NAME}_parse_args PARAMS ((int, char **)); |
| 1475 | |
| 1476 | static int |
| 1477 | gld${EMULATION_NAME}_parse_args (argc, argv) |
| 1478 | int argc; |
| 1479 | char ** argv; |
| 1480 | { |
| 1481 | int longind; |
| 1482 | int optc; |
| 1483 | static int prevoptind = -1; |
| 1484 | int prevopterr = opterr; |
| 1485 | int wanterror; |
| 1486 | |
| 1487 | if (prevoptind != optind) |
| 1488 | opterr = 0; |
| 1489 | |
| 1490 | wanterror = opterr; |
| 1491 | prevoptind = optind; |
| 1492 | |
| 1493 | optc = getopt_long_only (argc, argv, |
| 1494 | "-${PARSE_AND_LIST_SHORTOPTS}z:", longopts, |
| 1495 | &longind); |
| 1496 | opterr = prevopterr; |
| 1497 | |
| 1498 | switch (optc) |
| 1499 | { |
| 1500 | default: |
| 1501 | if (wanterror) |
| 1502 | xexit (1); |
| 1503 | optind = prevoptind; |
| 1504 | return 0; |
| 1505 | |
| 1506 | EOF |
| 1507 | |
| 1508 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
| 1509 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1510 | case OPTION_DISABLE_NEW_DTAGS: |
| 1511 | link_info.new_dtags = false; |
| 1512 | break; |
| 1513 | |
| 1514 | case OPTION_ENABLE_NEW_DTAGS: |
| 1515 | link_info.new_dtags = true; |
| 1516 | break; |
| 1517 | |
| 1518 | case OPTION_EH_FRAME_HDR: |
| 1519 | link_info.eh_frame_hdr = true; |
| 1520 | break; |
| 1521 | |
| 1522 | case OPTION_GROUP: |
| 1523 | link_info.flags_1 |= (bfd_vma) DF_1_GROUP; |
| 1524 | /* Groups must be self-contained. */ |
| 1525 | link_info.no_undefined = true; |
| 1526 | break; |
| 1527 | |
| 1528 | case 'z': |
| 1529 | if (strcmp (optarg, "initfirst") == 0) |
| 1530 | link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST; |
| 1531 | else if (strcmp (optarg, "interpose") == 0) |
| 1532 | link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE; |
| 1533 | else if (strcmp (optarg, "loadfltr") == 0) |
| 1534 | link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR; |
| 1535 | else if (strcmp (optarg, "nodefaultlib") == 0) |
| 1536 | link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB; |
| 1537 | else if (strcmp (optarg, "nodelete") == 0) |
| 1538 | link_info.flags_1 |= (bfd_vma) DF_1_NODELETE; |
| 1539 | else if (strcmp (optarg, "nodlopen") == 0) |
| 1540 | link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN; |
| 1541 | else if (strcmp (optarg, "nodump") == 0) |
| 1542 | link_info.flags_1 |= (bfd_vma) DF_1_NODUMP; |
| 1543 | else if (strcmp (optarg, "now") == 0) |
| 1544 | { |
| 1545 | link_info.flags |= (bfd_vma) DF_BIND_NOW; |
| 1546 | link_info.flags_1 |= (bfd_vma) DF_1_NOW; |
| 1547 | } |
| 1548 | else if (strcmp (optarg, "origin") == 0) |
| 1549 | { |
| 1550 | link_info.flags |= (bfd_vma) DF_ORIGIN; |
| 1551 | link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN; |
| 1552 | } |
| 1553 | else if (strcmp (optarg, "defs") == 0) |
| 1554 | link_info.no_undefined = true; |
| 1555 | else if (strcmp (optarg, "muldefs") == 0) |
| 1556 | link_info.allow_multiple_definition = true; |
| 1557 | else if (strcmp (optarg, "combreloc") == 0) |
| 1558 | link_info.combreloc = true; |
| 1559 | else if (strcmp (optarg, "nocombreloc") == 0) |
| 1560 | link_info.combreloc = false; |
| 1561 | else if (strcmp (optarg, "nocopyreloc") == 0) |
| 1562 | link_info.nocopyreloc = true; |
| 1563 | /* What about the other Solaris -z options? FIXME. */ |
| 1564 | break; |
| 1565 | EOF |
| 1566 | fi |
| 1567 | |
| 1568 | if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then |
| 1569 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1570 | $PARSE_AND_LIST_ARGS_CASES |
| 1571 | EOF |
| 1572 | fi |
| 1573 | |
| 1574 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1575 | } |
| 1576 | |
| 1577 | return 1; |
| 1578 | } |
| 1579 | |
| 1580 | EOF |
| 1581 | fi |
| 1582 | |
| 1583 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
| 1584 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1585 | |
| 1586 | static void gld${EMULATION_NAME}_list_options PARAMS ((FILE * file)); |
| 1587 | |
| 1588 | static void |
| 1589 | gld${EMULATION_NAME}_list_options (file) |
| 1590 | FILE * file; |
| 1591 | { |
| 1592 | EOF |
| 1593 | |
| 1594 | if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then |
| 1595 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1596 | fprintf (file, _(" -Bgroup\t\tSelects group name lookup rules for DSO\n")); |
| 1597 | fprintf (file, _(" --disable-new-dtags\tDisable new dynamic tags\n")); |
| 1598 | fprintf (file, _(" --enable-new-dtags\tEnable new dynamic tags\n")); |
| 1599 | fprintf (file, _(" --eh-frame-hdr\tCreate .eh_frame_hdr section\n")); |
| 1600 | fprintf (file, _(" -z combreloc\t\tMerge dynamic relocs into one section and sort\n")); |
| 1601 | fprintf (file, _(" -z defs\t\tDisallows undefined symbols\n")); |
| 1602 | fprintf (file, _(" -z initfirst\t\tMark DSO to be initialized first at runtime\n")); |
| 1603 | fprintf (file, _(" -z interpose\t\tMark object to interpose all DSOs but executable\n")); |
| 1604 | fprintf (file, _(" -z loadfltr\t\tMark object requiring immediate process\n")); |
| 1605 | fprintf (file, _(" -z muldefs\t\tAllow multiple definitions\n")); |
| 1606 | fprintf (file, _(" -z nocombreloc\tDon't merge dynamic relocs into one section\n")); |
| 1607 | fprintf (file, _(" -z nocopyreloc\tDon't create copy relocs\n")); |
| 1608 | fprintf (file, _(" -z nodefaultlib\tMark object not to use default search paths\n")); |
| 1609 | fprintf (file, _(" -z nodelete\t\tMark DSO non-deletable at runtime\n")); |
| 1610 | fprintf (file, _(" -z nodlopen\t\tMark DSO not available to dlopen\n")); |
| 1611 | fprintf (file, _(" -z nodump\t\tMark DSO not available to dldump\n")); |
| 1612 | fprintf (file, _(" -z now\t\tMark object non-lazy runtime binding\n")); |
| 1613 | fprintf (file, _(" -z origin\t\tMark object requiring immediate \$ORIGIN processing\n\t\t\t at runtime\n")); |
| 1614 | fprintf (file, _(" -z KEYWORD\t\tIgnored for Solaris compatibility\n")); |
| 1615 | EOF |
| 1616 | fi |
| 1617 | |
| 1618 | if test -n "$PARSE_AND_LIST_OPTIONS" ; then |
| 1619 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1620 | $PARSE_AND_LIST_OPTIONS |
| 1621 | EOF |
| 1622 | fi |
| 1623 | |
| 1624 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1625 | } |
| 1626 | EOF |
| 1627 | |
| 1628 | if test -n "$PARSE_AND_LIST_EPILOGUE" ; then |
| 1629 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1630 | $PARSE_AND_LIST_EPILOGUE |
| 1631 | EOF |
| 1632 | fi |
| 1633 | fi |
| 1634 | else |
| 1635 | if test x"$LDEMUL_PARSE_ARGS" != xgld"$EMULATION_NAME"_parse_args; then |
| 1636 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1637 | #define gld${EMULATION_NAME}_parse_args NULL |
| 1638 | EOF |
| 1639 | fi |
| 1640 | if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then |
| 1641 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1642 | #define gld${EMULATION_NAME}_list_options NULL |
| 1643 | EOF |
| 1644 | fi |
| 1645 | fi |
| 1646 | |
| 1647 | cat >>e${EMULATION_NAME}.c <<EOF |
| 1648 | |
| 1649 | struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation = |
| 1650 | { |
| 1651 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse}, |
| 1652 | ${LDEMUL_SYSLIB-syslib_default}, |
| 1653 | ${LDEMUL_HLL-hll_default}, |
| 1654 | ${LDEMUL_AFTER_PARSE-after_parse_default}, |
| 1655 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open}, |
| 1656 | ${LDEMUL_AFTER_ALLOCATION-after_allocation_default}, |
| 1657 | ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default}, |
| 1658 | ${LDEMUL_CHOOSE_TARGET-ldemul_default_target}, |
| 1659 | ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation}, |
| 1660 | ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, |
| 1661 | "${EMULATION_NAME}", |
| 1662 | "${OUTPUT_FORMAT}", |
| 1663 | ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, |
| 1664 | ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, |
| 1665 | ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, |
| 1666 | ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, |
| 1667 | ${LDEMUL_SET_SYMBOLS-NULL}, |
| 1668 | ${LDEMUL_PARSE_ARGS-gld${EMULATION_NAME}_parse_args}, |
| 1669 | ${LDEMUL_UNRECOGNIZED_FILE-NULL}, |
| 1670 | ${LDEMUL_LIST_OPTIONS-gld${EMULATION_NAME}_list_options}, |
| 1671 | ${LDEMUL_RECOGNIZED_FILE-NULL}, |
| 1672 | ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL}, |
| 1673 | ${LDEMUL_NEW_VERS_PATTERN-NULL} |
| 1674 | }; |
| 1675 | EOF |