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 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
232 stub_sec_name, flags);
233 if (stub_sec == NULL)
236 bfd_set_section_alignment (stub_sec, alignment_power);
238 os = lang_output_section_get (output_section);
240 info.input_section = after_input_section;
241 lang_list_init (&info.add);
242 lang_add_section (&info.add, stub_sec, NULL, os);
244 if (info.add.head == NULL)
247 if (after_input_section == NULL)
249 lang_statement_union_type **lp = &os->children.head;
250 lang_statement_union_type *l, *lprev = NULL;
252 for (; (l = *lp) != NULL; lp = &l->header.next, lprev = l);
255 lprev->header.next = info.add.head;
257 os->children.head = info.add.head;
263 if (hook_in_stub (&info, &os->children.head))
268 einfo (_("%X%P: can not make stub section: %E\n"));
272 /* Another call-back for elf_arm_size_stubs. */
275 gldarm_layout_sections_again (void)
277 /* If we have changed sizes of the stub sections, then we need
278 to recalculate all the section offsets. This may mean we need to
279 add even more stubs. */
280 ldelf_map_segments (TRUE);
281 need_laying_out = -1;
285 build_section_lists (lang_statement_union_type *statement)
287 if (statement->header.type == lang_input_section_enum)
289 asection *i = statement->input_section.section;
291 if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
292 && (i->flags & SEC_EXCLUDE) == 0
293 && i->output_section != NULL
294 && i->output_section->owner == link_info.output_bfd)
295 elf32_arm_next_input_section (& link_info, i);
300 compare_output_sec_vma (const void *a, const void *b)
302 asection *asec = *(asection **) a, *bsec = *(asection **) b;
303 asection *aout = asec->output_section, *bout = bsec->output_section;
306 /* If there's no output section for some reason, compare equal. */
310 avma = aout->vma + asec->output_offset;
311 bvma = bout->vma + bsec->output_offset;
315 else if (avma < bvma)
322 gld${EMULATION_NAME}_after_allocation (void)
326 /* Build a sorted list of input text sections, then use that to process
327 the unwind table index. */
328 unsigned int list_size = 10;
329 asection **sec_list = (asection **)
330 xmalloc (list_size * sizeof (asection *));
331 unsigned int sec_count = 0;
333 LANG_FOR_EACH_INPUT_STATEMENT (is)
335 bfd *abfd = is->the_bfd;
338 if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
341 for (sec = abfd->sections; sec != NULL; sec = sec->next)
343 asection *out_sec = sec->output_section;
346 && elf_section_data (sec)
347 && elf_section_type (sec) == SHT_PROGBITS
348 && (elf_section_flags (sec) & SHF_EXECINSTR) != 0
349 && (sec->flags & SEC_EXCLUDE) == 0
350 && sec->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
351 && out_sec != bfd_abs_section_ptr)
353 if (sec_count == list_size)
356 sec_list = (asection **)
357 xrealloc (sec_list, list_size * sizeof (asection *));
360 sec_list[sec_count++] = sec;
365 qsort (sec_list, sec_count, sizeof (asection *), &compare_output_sec_vma);
367 if (elf32_arm_fix_exidx_coverage (sec_list, sec_count, &link_info,
368 params.merge_exidx_entries))
373 /* bfd_elf32_discard_info just plays with debugging sections,
374 ie. doesn't affect any code, so we can delay resizing the
375 sections. It's likely we'll resize everything in the process of
377 ret = bfd_elf_discard_info (link_info.output_bfd, & link_info);
380 einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
386 /* If generating a relocatable output file, then we don't
387 have to examine the relocs. */
388 if (stub_file != NULL && !bfd_link_relocatable (&link_info))
390 ret = elf32_arm_setup_section_lists (link_info.output_bfd, &link_info);
395 einfo (_("%X%P: could not compute sections lists "
396 "for stub generation: %E\n"));
400 lang_for_each_statement (build_section_lists);
402 /* Call into the BFD backend to do the real work. */
403 if (! elf32_arm_size_stubs (link_info.output_bfd,
407 & elf32_arm_add_stub_section,
408 & gldarm_layout_sections_again))
410 einfo (_("%X%P: can not size stub section: %E\n"));
416 if (need_laying_out != -1)
417 ldelf_map_segments (need_laying_out);
421 gld${EMULATION_NAME}_finish (void)
423 struct bfd_link_hash_entry * h;
426 LANG_FOR_EACH_INPUT_STATEMENT (is)
428 /* Figure out where VFP11 erratum veneers (and the labels returning
429 from same) have been placed. */
430 bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info);
432 /* Figure out where STM32L4XX erratum veneers (and the labels returning
433 from them) have been placed. */
434 bfd_elf32_arm_stm32l4xx_fix_veneer_locations (is->the_bfd, &link_info);
438 if (!bfd_link_relocatable (&link_info))
440 /* Now build the linker stubs. */
441 if (stub_file->the_bfd->sections != NULL)
443 if (! elf32_arm_build_stubs (& link_info))
444 einfo (_("%X%P: can not build stubs: %E\n"));
450 if (params.thumb_entry_symbol)
452 h = bfd_link_hash_lookup (link_info.hash, params.thumb_entry_symbol,
457 struct elf_link_hash_entry * eh;
459 if (!entry_symbol.name)
462 h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
464 eh = (struct elf_link_hash_entry *)h;
465 if (!h || ARM_GET_SYM_BRANCH_TYPE (eh->target_internal)
466 != ST_BRANCH_TO_THUMB)
471 if (h != (struct bfd_link_hash_entry *) NULL
472 && (h->type == bfd_link_hash_defined
473 || h->type == bfd_link_hash_defweak)
474 && h->u.def.section->output_section != NULL)
476 static char buffer[32];
479 /* Special procesing is required for a Thumb entry symbol. The
480 bottom bit of its address must be set. */
481 val = (h->u.def.value
482 + bfd_section_vma (h->u.def.section->output_section)
483 + h->u.def.section->output_offset);
487 /* Now convert this value into a string and store it in entry_symbol
488 where the lang_finish() function will pick it up. */
492 sprintf_vma (buffer + 2, val);
494 if (params.thumb_entry_symbol != NULL && entry_symbol.name != NULL
495 && entry_from_cmdline)
496 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
497 params.thumb_entry_symbol, entry_symbol.name);
498 entry_symbol.name = buffer;
501 einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
505 /* This is a convenient point to tell BFD about target specific flags.
506 After the output has been created, but before inputs are read. */
508 arm_elf_create_output_section_statements (void)
510 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
512 /* The arm backend needs special fields in the output hash structure.
513 These will only be created if the output format is an arm format,
514 hence we do not support linking and changing output formats at the
515 same time. Use a link followed by objcopy to change output formats. */
516 einfo (_("%F%P: error: cannot change output format "
517 "whilst linking %s binaries\n"), "ARM");
521 if (in_implib_filename)
523 params.in_implib_bfd = bfd_openr (in_implib_filename,
524 bfd_get_target (link_info.output_bfd));
526 if (params.in_implib_bfd == NULL)
527 einfo (_("%F%P: %s: can't open: %E\n"), in_implib_filename);
529 if (!bfd_check_format (params.in_implib_bfd, bfd_object))
530 einfo (_("%F%P: %s: not a relocatable file: %E\n"), in_implib_filename);
533 bfd_elf32_arm_set_target_params (link_info.output_bfd, &link_info, ¶ms);
535 stub_file = lang_add_input_file ("linker stubs",
536 lang_input_file_is_fake_enum,
538 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
539 if (stub_file->the_bfd == NULL
540 || ! bfd_set_arch_mach (stub_file->the_bfd,
541 bfd_get_arch (link_info.output_bfd),
542 bfd_get_mach (link_info.output_bfd)))
544 einfo (_("%F%P: can not create BFD: %E\n"));
548 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
549 ldlang_add_file (stub_file);
551 /* Also use the stub file for stubs placed in a single output section. */
552 bfd_elf32_arm_add_glue_sections_to_bfd (stub_file->the_bfd, &link_info);
553 bfd_elf32_arm_get_bfd_for_interworking (stub_file->the_bfd, &link_info);
558 # Define some shell vars to insert bits of code into the standard elf
559 # parse_args and list_options functions.
561 PARSE_AND_LIST_PROLOGUE='
562 #define OPTION_THUMB_ENTRY 301
563 #define OPTION_BE8 302
564 #define OPTION_TARGET1_REL 303
565 #define OPTION_TARGET1_ABS 304
566 #define OPTION_TARGET2 305
567 #define OPTION_FIX_V4BX 306
568 #define OPTION_USE_BLX 307
569 #define OPTION_VFP11_DENORM_FIX 308
570 #define OPTION_NO_ENUM_SIZE_WARNING 309
571 #define OPTION_PIC_VENEER 310
572 #define OPTION_FIX_V4BX_INTERWORKING 311
573 #define OPTION_STUBGROUP_SIZE 312
574 #define OPTION_NO_WCHAR_SIZE_WARNING 313
575 #define OPTION_FIX_CORTEX_A8 314
576 #define OPTION_NO_FIX_CORTEX_A8 315
577 #define OPTION_NO_MERGE_EXIDX_ENTRIES 316
578 #define OPTION_FIX_ARM1176 317
579 #define OPTION_NO_FIX_ARM1176 318
580 #define OPTION_LONG_PLT 319
581 #define OPTION_STM32L4XX_FIX 320
582 #define OPTION_CMSE_IMPLIB 321
583 #define OPTION_IN_IMPLIB 322
586 PARSE_AND_LIST_SHORTOPTS=p
588 PARSE_AND_LIST_LONGOPTS='
589 { "no-pipeline-knowledge", no_argument, NULL, '\'p\''},
590 { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
591 { "be8", no_argument, NULL, OPTION_BE8},
592 { "target1-rel", no_argument, NULL, OPTION_TARGET1_REL},
593 { "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS},
594 { "target2", required_argument, NULL, OPTION_TARGET2},
595 { "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
596 { "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING},
597 { "use-blx", no_argument, NULL, OPTION_USE_BLX},
598 { "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
599 { "fix-stm32l4xx-629360", optional_argument, NULL, OPTION_STM32L4XX_FIX},
600 { "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
601 { "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
602 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
603 { "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
604 { "fix-cortex-a8", no_argument, NULL, OPTION_FIX_CORTEX_A8 },
605 { "no-fix-cortex-a8", no_argument, NULL, OPTION_NO_FIX_CORTEX_A8 },
606 { "no-merge-exidx-entries", no_argument, NULL, OPTION_NO_MERGE_EXIDX_ENTRIES },
607 { "fix-arm1176", no_argument, NULL, OPTION_FIX_ARM1176 },
608 { "no-fix-arm1176", no_argument, NULL, OPTION_NO_FIX_ARM1176 },
609 { "long-plt", no_argument, NULL, OPTION_LONG_PLT },
610 { "cmse-implib", no_argument, NULL, OPTION_CMSE_IMPLIB },
611 { "in-implib", required_argument, NULL, OPTION_IN_IMPLIB },
614 PARSE_AND_LIST_OPTIONS='
615 fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n"));
616 fprintf (file, _(" --be8 Output BE8 format image\n"));
617 fprintf (file, _(" --target1-rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n"));
618 fprintf (file, _(" --target1-abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n"));
619 fprintf (file, _(" --target2=<type> Specify definition of R_ARM_TARGET2\n"));
620 fprintf (file, _(" --fix-v4bx Rewrite BX rn as MOV pc, rn for ARMv4\n"));
621 fprintf (file, _(" --fix-v4bx-interworking Rewrite BX rn branch to ARMv4 interworking veneer\n"));
622 fprintf (file, _(" --use-blx Enable use of BLX instructions\n"));
623 fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n"));
624 fprintf (file, _(" --fix-stm32l4xx-629360 Specify how to fix STM32L4XX 629360 erratum\n"));
625 fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
627 fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible\n"
628 " wchar_t sizes\n"));
629 fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
630 fprintf (file, _(" --long-plt Generate long .plt entries\n"
631 " to handle large .plt/.got displacements\n"));
632 fprintf (file, _(" --cmse-implib Make import library to be a secure gateway import\n"
633 " library as per ARMv8-M Security Extensions\n"));
634 fprintf (file, _(" --in-implib Import library whose symbols address must\n"
635 " remain stable\n"));
637 --stub-group-size=N Maximum size of a group of input sections that\n\
638 can be handled by one stub section. A negative\n\
639 value locates all stubs after their branches\n\
640 (with a group size of -N), while a positive\n\
641 value allows two groups of input sections, one\n\
642 before, and one after each stub section.\n\
643 Values of +/-1 indicate the linker should\n\
644 choose suitable defaults.\n"));
645 fprintf (file, _(" --[no-]fix-cortex-a8 Disable/enable Cortex-A8 Thumb-2 branch erratum fix\n"));
646 fprintf (file, _(" --no-merge-exidx-entries Disable merging exidx entries\n"));
647 fprintf (file, _(" --[no-]fix-arm1176 Disable/enable ARM1176 BLX immediate erratum fix\n"));
650 PARSE_AND_LIST_ARGS_CASES='
652 /* Only here for backwards compatibility. */
655 case OPTION_THUMB_ENTRY:
656 params.thumb_entry_symbol = optarg;
660 params.byteswap_code = 1;
663 case OPTION_TARGET1_REL:
664 params.target1_is_rel = 1;
667 case OPTION_TARGET1_ABS:
668 params.target1_is_rel = 0;
672 params.target2_type = optarg;
675 case OPTION_FIX_V4BX:
679 case OPTION_FIX_V4BX_INTERWORKING:
687 case OPTION_VFP11_DENORM_FIX:
688 if (strcmp (optarg, "none") == 0)
689 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE;
690 else if (strcmp (optarg, "scalar") == 0)
691 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR;
692 else if (strcmp (optarg, "vector") == 0)
693 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR;
695 einfo (_("%P: unrecognized VFP11 fix type '\''%s'\''\n"), optarg);
698 case OPTION_STM32L4XX_FIX:
700 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
701 else if (strcmp (optarg, "none") == 0)
702 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_NONE;
703 else if (strcmp (optarg, "default") == 0)
704 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
705 else if (strcmp (optarg, "all") == 0)
706 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_ALL;
708 einfo (_("%P: unrecognized STM32L4XX fix type '\''%s'\''\n"), optarg);
711 case OPTION_NO_ENUM_SIZE_WARNING:
712 params.no_enum_size_warning = 1;
715 case OPTION_NO_WCHAR_SIZE_WARNING:
716 params.no_wchar_size_warning = 1;
719 case OPTION_PIC_VENEER:
720 params.pic_veneer = 1;
723 case OPTION_STUBGROUP_SIZE:
727 group_size = bfd_scan_vma (optarg, &end, 0);
729 einfo (_("%F%P: invalid number `%s'\''\n"), optarg);
733 case OPTION_FIX_CORTEX_A8:
734 params.fix_cortex_a8 = 1;
737 case OPTION_NO_FIX_CORTEX_A8:
738 params.fix_cortex_a8 = 0;
741 case OPTION_NO_MERGE_EXIDX_ENTRIES:
742 params.merge_exidx_entries = 0;
745 case OPTION_FIX_ARM1176:
746 params.fix_arm1176 = 1;
749 case OPTION_NO_FIX_ARM1176:
750 params.fix_arm1176 = 0;
753 case OPTION_LONG_PLT:
754 bfd_elf32_arm_use_long_plt ();
757 case OPTION_CMSE_IMPLIB:
758 params.cmse_implib = 1;
761 case OPTION_IN_IMPLIB:
762 in_implib_filename = optarg;
766 # We have our own before_allocation etc. functions, but they call
767 # the standard routines, so give them a different name.
768 LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation
769 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
770 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
772 # Replace the elf before_parse function with our own.
773 LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
774 LDEMUL_SET_SYMBOLS=gld"${EMULATION_NAME}"_set_symbols
776 # Call the extra arm-elf function
777 LDEMUL_FINISH=gld${EMULATION_NAME}_finish