1 # This shell script emits a C file. -*- C -*-
2 # Copyright (C) 1991-2020 Free Software Foundation, Inc.
4 # This file is part of the GNU Binutils.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22 # This file is sourced from elf.em, and defines extra arm-elf
25 test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel"
30 #include "elf32-arm.h"
32 static struct elf32_arm_params params =
34 NULL, /* thumb_entry_symbol */
35 0, /* byteswap_code */
36 0${TARGET1_IS_REL}, /* target1_is_rel */
37 "${TARGET2_TYPE}", /* target2_type */
40 BFD_ARM_VFP11_FIX_DEFAULT, /* vfp11_denorm_fix */
41 BFD_ARM_STM32L4XX_FIX_NONE, /* stm32l4xx_fix */
42 0, /* no_enum_size_warning */
43 0, /* no_wchar_size_warning */
45 -1, /* fix_cortex_a8 */
47 -1, /* merge_exidx_entries */
49 NULL /* in_implib_bfd */
51 static char *in_implib_filename = NULL;
54 gld${EMULATION_NAME}_before_parse (void)
56 #ifndef TARGET_ /* I.e., if not generic. */
57 ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
58 #endif /* not TARGET_ */
59 input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
60 config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
61 config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
62 link_info.check_relocs_after_open_input = TRUE;
63 link_info.relro = DEFAULT_LD_Z_RELRO;
67 gld${EMULATION_NAME}_set_symbols (void)
69 /* PR 19106: The section resizing code in gldarmelf_after_allocation
70 is effectively the same as relaxation, so prevent early memory
71 region checks which produce bogus error messages.
72 Note - this test has nothing to do with symbols. It is just here
73 because this is the first emulation routine that is called after
74 the command line has been parsed. */
75 if (!bfd_link_relocatable (&link_info))
76 TARGET_ENABLE_RELAXATION;
80 arm_elf_before_allocation (void)
82 bfd_elf32_arm_set_byteswap_code (&link_info, params.byteswap_code);
84 /* Choose type of VFP11 erratum fix, or warn if specified fix is unnecessary
85 due to architecture version. */
86 bfd_elf32_arm_set_vfp11_fix (link_info.output_bfd, &link_info);
88 /* Choose type of STM32L4XX erratum fix, or warn if specified fix is
89 unnecessary due to architecture version. */
90 bfd_elf32_arm_set_stm32l4xx_fix (link_info.output_bfd, &link_info);
92 /* Auto-select Cortex-A8 erratum fix if it wasn't explicitly specified. */
93 bfd_elf32_arm_set_cortex_a8_fix (link_info.output_bfd, &link_info);
95 /* Ensure the output sections of veneers needing a dedicated one is not
97 bfd_elf32_arm_keep_private_stub_output_sections (&link_info);
99 /* We should be able to set the size of the interworking stub section. We
100 can't do it until later if we have dynamic sections, though. */
101 if (elf_hash_table (&link_info)->dynobj == NULL)
103 /* Here we rummage through the found bfds to collect glue information. */
104 LANG_FOR_EACH_INPUT_STATEMENT (is)
106 /* Initialise mapping tables for code/data. */
107 bfd_elf32_arm_init_maps (is->the_bfd);
109 if (!bfd_elf32_arm_process_before_allocation (is->the_bfd,
111 || !bfd_elf32_arm_vfp11_erratum_scan (is->the_bfd, &link_info)
112 || !bfd_elf32_arm_stm32l4xx_erratum_scan (is->the_bfd,
114 /* xgettext:c-format */
115 einfo (_("%P: errors encountered processing file %s\n"),
119 /* We have seen it all. Allocate it, and carry on. */
120 bfd_elf32_arm_allocate_interworking_sections (& link_info);
123 /* Call the standard elf routine. */
124 gld${EMULATION_NAME}_before_allocation ();
127 /* Fake input file for stubs. */
128 static lang_input_statement_type *stub_file;
130 /* Whether we need to call gldarm_layout_sections_again. */
131 static int need_laying_out = 0;
133 /* Maximum size of a group of input sections that can be handled by
134 one stub section. A value of +/-1 indicates the bfd back-end
135 should use a suitable default size. */
136 static bfd_signed_vma group_size = 1;
138 struct hook_stub_info
140 lang_statement_list_type add;
141 asection *input_section;
144 /* Traverse the linker tree to find the spot where the stub goes. */
147 hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
149 lang_statement_union_type *l;
152 for (; (l = *lp) != NULL; lp = &l->header.next)
154 switch (l->header.type)
156 case lang_constructors_statement_enum:
157 ret = hook_in_stub (info, &constructor_list.head);
162 case lang_output_section_statement_enum:
163 ret = hook_in_stub (info,
164 &l->output_section_statement.children.head);
169 case lang_wild_statement_enum:
170 ret = hook_in_stub (info, &l->wild_statement.children.head);
175 case lang_group_statement_enum:
176 ret = hook_in_stub (info, &l->group_statement.children.head);
181 case lang_input_section_enum:
182 if (l->input_section.section == info->input_section)
184 /* We've found our section. Insert the stub immediately
185 after its associated input section. */
186 *(info->add.tail) = l->header.next;
187 l->header.next = info->add.head;
192 case lang_data_statement_enum:
193 case lang_reloc_statement_enum:
194 case lang_object_symbols_statement_enum:
195 case lang_output_statement_enum:
196 case lang_target_statement_enum:
197 case lang_input_statement_enum:
198 case lang_assignment_statement_enum:
199 case lang_padding_statement_enum:
200 case lang_address_statement_enum:
201 case lang_fill_statement_enum:
213 /* Call-back for elf32_arm_size_stubs. */
215 /* Create a new stub section, and arrange for it to be linked
216 immediately after INPUT_SECTION. */
219 elf32_arm_add_stub_section (const char * stub_sec_name,
220 asection * output_section,
221 asection * after_input_section,
222 unsigned int alignment_power)
226 lang_output_section_statement_type *os;
227 struct hook_stub_info info;
229 flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
230 | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP
231 | SEC_LINKER_CREATED);
232 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
233 stub_sec_name, flags);
234 if (stub_sec == NULL)
237 bfd_set_section_alignment (stub_sec, alignment_power);
239 os = lang_output_section_get (output_section);
241 info.input_section = after_input_section;
242 lang_list_init (&info.add);
243 lang_add_section (&info.add, stub_sec, NULL, os);
245 if (info.add.head == NULL)
248 if (after_input_section == NULL)
250 lang_statement_union_type **lp = &os->children.head;
251 lang_statement_union_type *l, *lprev = NULL;
253 for (; (l = *lp) != NULL; lp = &l->header.next, lprev = l);
256 lprev->header.next = info.add.head;
258 os->children.head = info.add.head;
264 if (hook_in_stub (&info, &os->children.head))
269 einfo (_("%X%P: can not make stub section: %E\n"));
273 /* Another call-back for elf_arm_size_stubs. */
276 gldarm_layout_sections_again (void)
278 /* If we have changed sizes of the stub sections, then we need
279 to recalculate all the section offsets. This may mean we need to
280 add even more stubs. */
281 ldelf_map_segments (TRUE);
282 need_laying_out = -1;
286 build_section_lists (lang_statement_union_type *statement)
288 if (statement->header.type == lang_input_section_enum)
290 asection *i = statement->input_section.section;
292 if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
293 && (i->flags & SEC_EXCLUDE) == 0
294 && i->output_section != NULL
295 && i->output_section->owner == link_info.output_bfd)
296 elf32_arm_next_input_section (& link_info, i);
301 compare_output_sec_vma (const void *a, const void *b)
303 asection *asec = *(asection **) a, *bsec = *(asection **) b;
304 asection *aout = asec->output_section, *bout = bsec->output_section;
307 /* If there's no output section for some reason, compare equal. */
311 avma = aout->vma + asec->output_offset;
312 bvma = bout->vma + bsec->output_offset;
316 else if (avma < bvma)
323 gld${EMULATION_NAME}_after_allocation (void)
327 /* Build a sorted list of input text sections, then use that to process
328 the unwind table index. */
329 unsigned int list_size = 10;
330 asection **sec_list = (asection **)
331 xmalloc (list_size * sizeof (asection *));
332 unsigned int sec_count = 0;
334 LANG_FOR_EACH_INPUT_STATEMENT (is)
336 bfd *abfd = is->the_bfd;
339 if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
342 for (sec = abfd->sections; sec != NULL; sec = sec->next)
344 asection *out_sec = sec->output_section;
347 && elf_section_data (sec)
348 && elf_section_type (sec) == SHT_PROGBITS
349 && (elf_section_flags (sec) & SHF_EXECINSTR) != 0
350 && (sec->flags & SEC_EXCLUDE) == 0
351 && sec->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
352 && out_sec != bfd_abs_section_ptr)
354 if (sec_count == list_size)
357 sec_list = (asection **)
358 xrealloc (sec_list, list_size * sizeof (asection *));
361 sec_list[sec_count++] = sec;
366 qsort (sec_list, sec_count, sizeof (asection *), &compare_output_sec_vma);
368 if (elf32_arm_fix_exidx_coverage (sec_list, sec_count, &link_info,
369 params.merge_exidx_entries))
374 /* bfd_elf32_discard_info just plays with debugging sections,
375 ie. doesn't affect any code, so we can delay resizing the
376 sections. It's likely we'll resize everything in the process of
378 ret = bfd_elf_discard_info (link_info.output_bfd, & link_info);
381 einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
387 /* If generating a relocatable output file, then we don't
388 have to examine the relocs. */
389 if (stub_file != NULL && !bfd_link_relocatable (&link_info))
391 ret = elf32_arm_setup_section_lists (link_info.output_bfd, &link_info);
396 einfo (_("%X%P: could not compute sections lists "
397 "for stub generation: %E\n"));
401 lang_for_each_statement (build_section_lists);
403 /* Call into the BFD backend to do the real work. */
404 if (! elf32_arm_size_stubs (link_info.output_bfd,
408 & elf32_arm_add_stub_section,
409 & gldarm_layout_sections_again))
411 einfo (_("%X%P: can not size stub section: %E\n"));
417 if (need_laying_out != -1)
418 ldelf_map_segments (need_laying_out);
422 gld${EMULATION_NAME}_finish (void)
424 struct bfd_link_hash_entry * h;
427 LANG_FOR_EACH_INPUT_STATEMENT (is)
429 /* Figure out where VFP11 erratum veneers (and the labels returning
430 from same) have been placed. */
431 bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info);
433 /* Figure out where STM32L4XX erratum veneers (and the labels returning
434 from them) have been placed. */
435 bfd_elf32_arm_stm32l4xx_fix_veneer_locations (is->the_bfd, &link_info);
439 if (!bfd_link_relocatable (&link_info))
441 /* Now build the linker stubs. */
442 if (stub_file->the_bfd->sections != NULL)
444 if (! elf32_arm_build_stubs (& link_info))
445 einfo (_("%X%P: can not build stubs: %E\n"));
451 if (params.thumb_entry_symbol)
453 h = bfd_link_hash_lookup (link_info.hash, params.thumb_entry_symbol,
458 struct elf_link_hash_entry * eh;
460 if (!entry_symbol.name)
463 h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
465 eh = (struct elf_link_hash_entry *)h;
466 if (!h || ARM_GET_SYM_BRANCH_TYPE (eh->target_internal)
467 != ST_BRANCH_TO_THUMB)
472 if (h != (struct bfd_link_hash_entry *) NULL
473 && (h->type == bfd_link_hash_defined
474 || h->type == bfd_link_hash_defweak)
475 && h->u.def.section->output_section != NULL)
477 static char buffer[32];
480 /* Special procesing is required for a Thumb entry symbol. The
481 bottom bit of its address must be set. */
482 val = (h->u.def.value
483 + bfd_section_vma (h->u.def.section->output_section)
484 + h->u.def.section->output_offset);
488 /* Now convert this value into a string and store it in entry_symbol
489 where the lang_finish() function will pick it up. */
493 sprintf_vma (buffer + 2, val);
495 if (params.thumb_entry_symbol != NULL && entry_symbol.name != NULL
496 && entry_from_cmdline)
497 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
498 params.thumb_entry_symbol, entry_symbol.name);
499 entry_symbol.name = buffer;
502 einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
506 /* This is a convenient point to tell BFD about target specific flags.
507 After the output has been created, but before inputs are read. */
509 arm_elf_create_output_section_statements (void)
511 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
513 /* The arm backend needs special fields in the output hash structure.
514 These will only be created if the output format is an arm format,
515 hence we do not support linking and changing output formats at the
516 same time. Use a link followed by objcopy to change output formats. */
517 einfo (_("%F%P: error: cannot change output format "
518 "whilst linking %s binaries\n"), "ARM");
522 if (in_implib_filename)
524 params.in_implib_bfd = bfd_openr (in_implib_filename,
525 bfd_get_target (link_info.output_bfd));
527 if (params.in_implib_bfd == NULL)
528 einfo (_("%F%P: %s: can't open: %E\n"), in_implib_filename);
530 if (!bfd_check_format (params.in_implib_bfd, bfd_object))
531 einfo (_("%F%P: %s: not a relocatable file: %E\n"), in_implib_filename);
534 bfd_elf32_arm_set_target_params (link_info.output_bfd, &link_info, ¶ms);
536 stub_file = lang_add_input_file ("linker stubs",
537 lang_input_file_is_fake_enum,
539 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
540 if (stub_file->the_bfd == NULL
541 || ! bfd_set_arch_mach (stub_file->the_bfd,
542 bfd_get_arch (link_info.output_bfd),
543 bfd_get_mach (link_info.output_bfd)))
545 einfo (_("%F%P: can not create BFD: %E\n"));
549 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
550 ldlang_add_file (stub_file);
552 /* Also use the stub file for stubs placed in a single output section. */
553 bfd_elf32_arm_add_glue_sections_to_bfd (stub_file->the_bfd, &link_info);
554 bfd_elf32_arm_get_bfd_for_interworking (stub_file->the_bfd, &link_info);
559 # Define some shell vars to insert bits of code into the standard elf
560 # parse_args and list_options functions.
562 PARSE_AND_LIST_PROLOGUE='
563 #define OPTION_THUMB_ENTRY 301
564 #define OPTION_BE8 302
565 #define OPTION_TARGET1_REL 303
566 #define OPTION_TARGET1_ABS 304
567 #define OPTION_TARGET2 305
568 #define OPTION_FIX_V4BX 306
569 #define OPTION_USE_BLX 307
570 #define OPTION_VFP11_DENORM_FIX 308
571 #define OPTION_NO_ENUM_SIZE_WARNING 309
572 #define OPTION_PIC_VENEER 310
573 #define OPTION_FIX_V4BX_INTERWORKING 311
574 #define OPTION_STUBGROUP_SIZE 312
575 #define OPTION_NO_WCHAR_SIZE_WARNING 313
576 #define OPTION_FIX_CORTEX_A8 314
577 #define OPTION_NO_FIX_CORTEX_A8 315
578 #define OPTION_NO_MERGE_EXIDX_ENTRIES 316
579 #define OPTION_FIX_ARM1176 317
580 #define OPTION_NO_FIX_ARM1176 318
581 #define OPTION_LONG_PLT 319
582 #define OPTION_STM32L4XX_FIX 320
583 #define OPTION_CMSE_IMPLIB 321
584 #define OPTION_IN_IMPLIB 322
587 PARSE_AND_LIST_SHORTOPTS=p
589 PARSE_AND_LIST_LONGOPTS='
590 { "no-pipeline-knowledge", no_argument, NULL, '\'p\''},
591 { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
592 { "be8", no_argument, NULL, OPTION_BE8},
593 { "target1-rel", no_argument, NULL, OPTION_TARGET1_REL},
594 { "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS},
595 { "target2", required_argument, NULL, OPTION_TARGET2},
596 { "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
597 { "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING},
598 { "use-blx", no_argument, NULL, OPTION_USE_BLX},
599 { "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
600 { "fix-stm32l4xx-629360", optional_argument, NULL, OPTION_STM32L4XX_FIX},
601 { "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
602 { "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
603 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
604 { "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
605 { "fix-cortex-a8", no_argument, NULL, OPTION_FIX_CORTEX_A8 },
606 { "no-fix-cortex-a8", no_argument, NULL, OPTION_NO_FIX_CORTEX_A8 },
607 { "no-merge-exidx-entries", no_argument, NULL, OPTION_NO_MERGE_EXIDX_ENTRIES },
608 { "fix-arm1176", no_argument, NULL, OPTION_FIX_ARM1176 },
609 { "no-fix-arm1176", no_argument, NULL, OPTION_NO_FIX_ARM1176 },
610 { "long-plt", no_argument, NULL, OPTION_LONG_PLT },
611 { "cmse-implib", no_argument, NULL, OPTION_CMSE_IMPLIB },
612 { "in-implib", required_argument, NULL, OPTION_IN_IMPLIB },
615 PARSE_AND_LIST_OPTIONS='
616 fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n"));
617 fprintf (file, _(" --be8 Output BE8 format image\n"));
618 fprintf (file, _(" --target1-rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n"));
619 fprintf (file, _(" --target1-abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n"));
620 fprintf (file, _(" --target2=<type> Specify definition of R_ARM_TARGET2\n"));
621 fprintf (file, _(" --fix-v4bx Rewrite BX rn as MOV pc, rn for ARMv4\n"));
622 fprintf (file, _(" --fix-v4bx-interworking Rewrite BX rn branch to ARMv4 interworking veneer\n"));
623 fprintf (file, _(" --use-blx Enable use of BLX instructions\n"));
624 fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n"));
625 fprintf (file, _(" --fix-stm32l4xx-629360 Specify how to fix STM32L4XX 629360 erratum\n"));
626 fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
628 fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible\n"
629 " wchar_t sizes\n"));
630 fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
631 fprintf (file, _(" --long-plt Generate long .plt entries\n"
632 " to handle large .plt/.got displacements\n"));
633 fprintf (file, _(" --cmse-implib Make import library to be a secure gateway import\n"
634 " library as per ARMv8-M Security Extensions\n"));
635 fprintf (file, _(" --in-implib Import library whose symbols address must\n"
636 " remain stable\n"));
638 --stub-group-size=N Maximum size of a group of input sections that\n\
639 can be handled by one stub section. A negative\n\
640 value locates all stubs after their branches\n\
641 (with a group size of -N), while a positive\n\
642 value allows two groups of input sections, one\n\
643 before, and one after each stub section.\n\
644 Values of +/-1 indicate the linker should\n\
645 choose suitable defaults.\n"));
646 fprintf (file, _(" --[no-]fix-cortex-a8 Disable/enable Cortex-A8 Thumb-2 branch erratum fix\n"));
647 fprintf (file, _(" --no-merge-exidx-entries Disable merging exidx entries\n"));
648 fprintf (file, _(" --[no-]fix-arm1176 Disable/enable ARM1176 BLX immediate erratum fix\n"));
651 PARSE_AND_LIST_ARGS_CASES='
653 /* Only here for backwards compatibility. */
656 case OPTION_THUMB_ENTRY:
657 params.thumb_entry_symbol = optarg;
661 params.byteswap_code = 1;
664 case OPTION_TARGET1_REL:
665 params.target1_is_rel = 1;
668 case OPTION_TARGET1_ABS:
669 params.target1_is_rel = 0;
673 params.target2_type = optarg;
676 case OPTION_FIX_V4BX:
680 case OPTION_FIX_V4BX_INTERWORKING:
688 case OPTION_VFP11_DENORM_FIX:
689 if (strcmp (optarg, "none") == 0)
690 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE;
691 else if (strcmp (optarg, "scalar") == 0)
692 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR;
693 else if (strcmp (optarg, "vector") == 0)
694 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR;
696 einfo (_("%P: unrecognized VFP11 fix type '\''%s'\''\n"), optarg);
699 case OPTION_STM32L4XX_FIX:
701 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
702 else if (strcmp (optarg, "none") == 0)
703 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_NONE;
704 else if (strcmp (optarg, "default") == 0)
705 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
706 else if (strcmp (optarg, "all") == 0)
707 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_ALL;
709 einfo (_("%P: unrecognized STM32L4XX fix type '\''%s'\''\n"), optarg);
712 case OPTION_NO_ENUM_SIZE_WARNING:
713 params.no_enum_size_warning = 1;
716 case OPTION_NO_WCHAR_SIZE_WARNING:
717 params.no_wchar_size_warning = 1;
720 case OPTION_PIC_VENEER:
721 params.pic_veneer = 1;
724 case OPTION_STUBGROUP_SIZE:
728 group_size = bfd_scan_vma (optarg, &end, 0);
730 einfo (_("%F%P: invalid number `%s'\''\n"), optarg);
734 case OPTION_FIX_CORTEX_A8:
735 params.fix_cortex_a8 = 1;
738 case OPTION_NO_FIX_CORTEX_A8:
739 params.fix_cortex_a8 = 0;
742 case OPTION_NO_MERGE_EXIDX_ENTRIES:
743 params.merge_exidx_entries = 0;
746 case OPTION_FIX_ARM1176:
747 params.fix_arm1176 = 1;
750 case OPTION_NO_FIX_ARM1176:
751 params.fix_arm1176 = 0;
754 case OPTION_LONG_PLT:
755 bfd_elf32_arm_use_long_plt ();
758 case OPTION_CMSE_IMPLIB:
759 params.cmse_implib = 1;
762 case OPTION_IN_IMPLIB:
763 in_implib_filename = optarg;
767 # We have our own before_allocation etc. functions, but they call
768 # the standard routines, so give them a different name.
769 LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation
770 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
771 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
773 # Replace the elf before_parse function with our own.
774 LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
775 LDEMUL_SET_SYMBOLS=gld"${EMULATION_NAME}"_set_symbols
777 # Call the extra arm-elf function
778 LDEMUL_FINISH=gld${EMULATION_NAME}_finish