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${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
62 link_info.check_relocs_after_open_input = TRUE;
64 if test -n "$COMMONPAGESIZE"; then
66 link_info.relro = DEFAULT_LD_Z_RELRO;
73 gld${EMULATION_NAME}_set_symbols (void)
75 /* PR 19106: The section resizing code in gldarmelf_after_allocation
76 is effectively the same as relaxation, so prevent early memory
77 region checks which produce bogus error messages.
78 Note - this test has nothing to do with symbols. It is just here
79 because this is the first emulation routine that is called after
80 the command line has been parsed. */
81 if (!bfd_link_relocatable (&link_info))
82 TARGET_ENABLE_RELAXATION;
86 arm_elf_before_allocation (void)
88 bfd_elf32_arm_set_byteswap_code (&link_info, params.byteswap_code);
90 /* Choose type of VFP11 erratum fix, or warn if specified fix is unnecessary
91 due to architecture version. */
92 bfd_elf32_arm_set_vfp11_fix (link_info.output_bfd, &link_info);
94 /* Choose type of STM32L4XX erratum fix, or warn if specified fix is
95 unnecessary due to architecture version. */
96 bfd_elf32_arm_set_stm32l4xx_fix (link_info.output_bfd, &link_info);
98 /* Auto-select Cortex-A8 erratum fix if it wasn't explicitly specified. */
99 bfd_elf32_arm_set_cortex_a8_fix (link_info.output_bfd, &link_info);
101 /* Ensure the output sections of veneers needing a dedicated one is not
103 bfd_elf32_arm_keep_private_stub_output_sections (&link_info);
105 /* We should be able to set the size of the interworking stub section. We
106 can't do it until later if we have dynamic sections, though. */
107 if (elf_hash_table (&link_info)->dynobj == NULL)
109 /* Here we rummage through the found bfds to collect glue information. */
110 LANG_FOR_EACH_INPUT_STATEMENT (is)
112 /* Initialise mapping tables for code/data. */
113 bfd_elf32_arm_init_maps (is->the_bfd);
115 if (!bfd_elf32_arm_process_before_allocation (is->the_bfd,
117 || !bfd_elf32_arm_vfp11_erratum_scan (is->the_bfd, &link_info)
118 || !bfd_elf32_arm_stm32l4xx_erratum_scan (is->the_bfd,
120 /* xgettext:c-format */
121 einfo (_("%P: errors encountered processing file %s\n"),
125 /* We have seen it all. Allocate it, and carry on. */
126 bfd_elf32_arm_allocate_interworking_sections (& link_info);
129 /* Call the standard elf routine. */
130 gld${EMULATION_NAME}_before_allocation ();
133 /* Fake input file for stubs. */
134 static lang_input_statement_type *stub_file;
136 /* Whether we need to call gldarm_layout_sections_again. */
137 static int need_laying_out = 0;
139 /* Maximum size of a group of input sections that can be handled by
140 one stub section. A value of +/-1 indicates the bfd back-end
141 should use a suitable default size. */
142 static bfd_signed_vma group_size = 1;
144 struct hook_stub_info
146 lang_statement_list_type add;
147 asection *input_section;
150 /* Traverse the linker tree to find the spot where the stub goes. */
153 hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
155 lang_statement_union_type *l;
158 for (; (l = *lp) != NULL; lp = &l->header.next)
160 switch (l->header.type)
162 case lang_constructors_statement_enum:
163 ret = hook_in_stub (info, &constructor_list.head);
168 case lang_output_section_statement_enum:
169 ret = hook_in_stub (info,
170 &l->output_section_statement.children.head);
175 case lang_wild_statement_enum:
176 ret = hook_in_stub (info, &l->wild_statement.children.head);
181 case lang_group_statement_enum:
182 ret = hook_in_stub (info, &l->group_statement.children.head);
187 case lang_input_section_enum:
188 if (l->input_section.section == info->input_section)
190 /* We've found our section. Insert the stub immediately
191 after its associated input section. */
192 *(info->add.tail) = l->header.next;
193 l->header.next = info->add.head;
198 case lang_data_statement_enum:
199 case lang_reloc_statement_enum:
200 case lang_object_symbols_statement_enum:
201 case lang_output_statement_enum:
202 case lang_target_statement_enum:
203 case lang_input_statement_enum:
204 case lang_assignment_statement_enum:
205 case lang_padding_statement_enum:
206 case lang_address_statement_enum:
207 case lang_fill_statement_enum:
219 /* Call-back for elf32_arm_size_stubs. */
221 /* Create a new stub section, and arrange for it to be linked
222 immediately after INPUT_SECTION. */
225 elf32_arm_add_stub_section (const char * stub_sec_name,
226 asection * output_section,
227 asection * after_input_section,
228 unsigned int alignment_power)
232 lang_output_section_statement_type *os;
233 struct hook_stub_info info;
235 flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
236 | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP
237 | SEC_LINKER_CREATED);
238 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
239 stub_sec_name, flags);
240 if (stub_sec == NULL)
243 bfd_set_section_alignment (stub_sec, alignment_power);
245 os = lang_output_section_get (output_section);
247 info.input_section = after_input_section;
248 lang_list_init (&info.add);
249 lang_add_section (&info.add, stub_sec, NULL, os);
251 if (info.add.head == NULL)
254 if (after_input_section == NULL)
256 lang_statement_union_type **lp = &os->children.head;
257 lang_statement_union_type *l, *lprev = NULL;
259 for (; (l = *lp) != NULL; lp = &l->header.next, lprev = l);
262 lprev->header.next = info.add.head;
264 os->children.head = info.add.head;
270 if (hook_in_stub (&info, &os->children.head))
275 einfo (_("%X%P: can not make stub section: %E\n"));
279 /* Another call-back for elf_arm_size_stubs. */
282 gldarm_layout_sections_again (void)
284 /* If we have changed sizes of the stub sections, then we need
285 to recalculate all the section offsets. This may mean we need to
286 add even more stubs. */
287 ldelf_map_segments (TRUE);
288 need_laying_out = -1;
292 build_section_lists (lang_statement_union_type *statement)
294 if (statement->header.type == lang_input_section_enum)
296 asection *i = statement->input_section.section;
298 if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
299 && (i->flags & SEC_EXCLUDE) == 0
300 && i->output_section != NULL
301 && i->output_section->owner == link_info.output_bfd)
302 elf32_arm_next_input_section (& link_info, i);
307 compare_output_sec_vma (const void *a, const void *b)
309 asection *asec = *(asection **) a, *bsec = *(asection **) b;
310 asection *aout = asec->output_section, *bout = bsec->output_section;
313 /* If there's no output section for some reason, compare equal. */
317 avma = aout->vma + asec->output_offset;
318 bvma = bout->vma + bsec->output_offset;
322 else if (avma < bvma)
329 gld${EMULATION_NAME}_after_allocation (void)
333 /* Build a sorted list of input text sections, then use that to process
334 the unwind table index. */
335 unsigned int list_size = 10;
336 asection **sec_list = (asection **)
337 xmalloc (list_size * sizeof (asection *));
338 unsigned int sec_count = 0;
340 LANG_FOR_EACH_INPUT_STATEMENT (is)
342 bfd *abfd = is->the_bfd;
345 if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
348 for (sec = abfd->sections; sec != NULL; sec = sec->next)
350 asection *out_sec = sec->output_section;
353 && elf_section_data (sec)
354 && elf_section_type (sec) == SHT_PROGBITS
355 && (elf_section_flags (sec) & SHF_EXECINSTR) != 0
356 && (sec->flags & SEC_EXCLUDE) == 0
357 && sec->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
358 && out_sec != bfd_abs_section_ptr)
360 if (sec_count == list_size)
363 sec_list = (asection **)
364 xrealloc (sec_list, list_size * sizeof (asection *));
367 sec_list[sec_count++] = sec;
372 qsort (sec_list, sec_count, sizeof (asection *), &compare_output_sec_vma);
374 if (elf32_arm_fix_exidx_coverage (sec_list, sec_count, &link_info,
375 params.merge_exidx_entries))
380 /* bfd_elf32_discard_info just plays with debugging sections,
381 ie. doesn't affect any code, so we can delay resizing the
382 sections. It's likely we'll resize everything in the process of
384 ret = bfd_elf_discard_info (link_info.output_bfd, & link_info);
387 einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
393 /* If generating a relocatable output file, then we don't
394 have to examine the relocs. */
395 if (stub_file != NULL && !bfd_link_relocatable (&link_info))
397 ret = elf32_arm_setup_section_lists (link_info.output_bfd, &link_info);
402 einfo (_("%X%P: could not compute sections lists "
403 "for stub generation: %E\n"));
407 lang_for_each_statement (build_section_lists);
409 /* Call into the BFD backend to do the real work. */
410 if (! elf32_arm_size_stubs (link_info.output_bfd,
414 & elf32_arm_add_stub_section,
415 & gldarm_layout_sections_again))
417 einfo (_("%X%P: can not size stub section: %E\n"));
423 if (need_laying_out != -1)
424 ldelf_map_segments (need_laying_out);
428 gld${EMULATION_NAME}_finish (void)
430 struct bfd_link_hash_entry * h;
433 LANG_FOR_EACH_INPUT_STATEMENT (is)
435 /* Figure out where VFP11 erratum veneers (and the labels returning
436 from same) have been placed. */
437 bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info);
439 /* Figure out where STM32L4XX erratum veneers (and the labels returning
440 from them) have been placed. */
441 bfd_elf32_arm_stm32l4xx_fix_veneer_locations (is->the_bfd, &link_info);
445 if (!bfd_link_relocatable (&link_info))
447 /* Now build the linker stubs. */
448 if (stub_file->the_bfd->sections != NULL)
450 if (! elf32_arm_build_stubs (& link_info))
451 einfo (_("%X%P: can not build stubs: %E\n"));
457 if (params.thumb_entry_symbol)
459 h = bfd_link_hash_lookup (link_info.hash, params.thumb_entry_symbol,
464 struct elf_link_hash_entry * eh;
466 if (!entry_symbol.name)
469 h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
471 eh = (struct elf_link_hash_entry *)h;
472 if (!h || ARM_GET_SYM_BRANCH_TYPE (eh->target_internal)
473 != ST_BRANCH_TO_THUMB)
478 if (h != (struct bfd_link_hash_entry *) NULL
479 && (h->type == bfd_link_hash_defined
480 || h->type == bfd_link_hash_defweak)
481 && h->u.def.section->output_section != NULL)
483 static char buffer[32];
486 /* Special procesing is required for a Thumb entry symbol. The
487 bottom bit of its address must be set. */
488 val = (h->u.def.value
489 + bfd_section_vma (h->u.def.section->output_section)
490 + h->u.def.section->output_offset);
494 /* Now convert this value into a string and store it in entry_symbol
495 where the lang_finish() function will pick it up. */
499 sprintf_vma (buffer + 2, val);
501 if (params.thumb_entry_symbol != NULL && entry_symbol.name != NULL
502 && entry_from_cmdline)
503 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
504 params.thumb_entry_symbol, entry_symbol.name);
505 entry_symbol.name = buffer;
508 einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
512 /* This is a convenient point to tell BFD about target specific flags.
513 After the output has been created, but before inputs are read. */
515 arm_elf_create_output_section_statements (void)
517 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
519 /* The arm backend needs special fields in the output hash structure.
520 These will only be created if the output format is an arm format,
521 hence we do not support linking and changing output formats at the
522 same time. Use a link followed by objcopy to change output formats. */
523 einfo (_("%F%P: error: cannot change output format "
524 "whilst linking %s binaries\n"), "ARM");
528 if (in_implib_filename)
530 params.in_implib_bfd = bfd_openr (in_implib_filename,
531 bfd_get_target (link_info.output_bfd));
533 if (params.in_implib_bfd == NULL)
534 einfo (_("%F%P: %s: can't open: %E\n"), in_implib_filename);
536 if (!bfd_check_format (params.in_implib_bfd, bfd_object))
537 einfo (_("%F%P: %s: not a relocatable file: %E\n"), in_implib_filename);
540 bfd_elf32_arm_set_target_params (link_info.output_bfd, &link_info, ¶ms);
542 stub_file = lang_add_input_file ("linker stubs",
543 lang_input_file_is_fake_enum,
545 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
546 if (stub_file->the_bfd == NULL
547 || ! bfd_set_arch_mach (stub_file->the_bfd,
548 bfd_get_arch (link_info.output_bfd),
549 bfd_get_mach (link_info.output_bfd)))
551 einfo (_("%F%P: can not create BFD: %E\n"));
555 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
556 ldlang_add_file (stub_file);
558 /* Also use the stub file for stubs placed in a single output section. */
559 bfd_elf32_arm_add_glue_sections_to_bfd (stub_file->the_bfd, &link_info);
560 bfd_elf32_arm_get_bfd_for_interworking (stub_file->the_bfd, &link_info);
565 # Define some shell vars to insert bits of code into the standard elf
566 # parse_args and list_options functions.
568 PARSE_AND_LIST_PROLOGUE='
569 #define OPTION_THUMB_ENTRY 301
570 #define OPTION_BE8 302
571 #define OPTION_TARGET1_REL 303
572 #define OPTION_TARGET1_ABS 304
573 #define OPTION_TARGET2 305
574 #define OPTION_FIX_V4BX 306
575 #define OPTION_USE_BLX 307
576 #define OPTION_VFP11_DENORM_FIX 308
577 #define OPTION_NO_ENUM_SIZE_WARNING 309
578 #define OPTION_PIC_VENEER 310
579 #define OPTION_FIX_V4BX_INTERWORKING 311
580 #define OPTION_STUBGROUP_SIZE 312
581 #define OPTION_NO_WCHAR_SIZE_WARNING 313
582 #define OPTION_FIX_CORTEX_A8 314
583 #define OPTION_NO_FIX_CORTEX_A8 315
584 #define OPTION_NO_MERGE_EXIDX_ENTRIES 316
585 #define OPTION_FIX_ARM1176 317
586 #define OPTION_NO_FIX_ARM1176 318
587 #define OPTION_LONG_PLT 319
588 #define OPTION_STM32L4XX_FIX 320
589 #define OPTION_CMSE_IMPLIB 321
590 #define OPTION_IN_IMPLIB 322
593 PARSE_AND_LIST_SHORTOPTS=p
595 PARSE_AND_LIST_LONGOPTS='
596 { "no-pipeline-knowledge", no_argument, NULL, '\'p\''},
597 { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
598 { "be8", no_argument, NULL, OPTION_BE8},
599 { "target1-rel", no_argument, NULL, OPTION_TARGET1_REL},
600 { "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS},
601 { "target2", required_argument, NULL, OPTION_TARGET2},
602 { "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
603 { "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING},
604 { "use-blx", no_argument, NULL, OPTION_USE_BLX},
605 { "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
606 { "fix-stm32l4xx-629360", optional_argument, NULL, OPTION_STM32L4XX_FIX},
607 { "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
608 { "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
609 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
610 { "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
611 { "fix-cortex-a8", no_argument, NULL, OPTION_FIX_CORTEX_A8 },
612 { "no-fix-cortex-a8", no_argument, NULL, OPTION_NO_FIX_CORTEX_A8 },
613 { "no-merge-exidx-entries", no_argument, NULL, OPTION_NO_MERGE_EXIDX_ENTRIES },
614 { "fix-arm1176", no_argument, NULL, OPTION_FIX_ARM1176 },
615 { "no-fix-arm1176", no_argument, NULL, OPTION_NO_FIX_ARM1176 },
616 { "long-plt", no_argument, NULL, OPTION_LONG_PLT },
617 { "cmse-implib", no_argument, NULL, OPTION_CMSE_IMPLIB },
618 { "in-implib", required_argument, NULL, OPTION_IN_IMPLIB },
621 PARSE_AND_LIST_OPTIONS='
622 fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n"));
623 fprintf (file, _(" --be8 Output BE8 format image\n"));
624 fprintf (file, _(" --target1-rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n"));
625 fprintf (file, _(" --target1-abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n"));
626 fprintf (file, _(" --target2=<type> Specify definition of R_ARM_TARGET2\n"));
627 fprintf (file, _(" --fix-v4bx Rewrite BX rn as MOV pc, rn for ARMv4\n"));
628 fprintf (file, _(" --fix-v4bx-interworking Rewrite BX rn branch to ARMv4 interworking veneer\n"));
629 fprintf (file, _(" --use-blx Enable use of BLX instructions\n"));
630 fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n"));
631 fprintf (file, _(" --fix-stm32l4xx-629360 Specify how to fix STM32L4XX 629360 erratum\n"));
632 fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
634 fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible\n"
635 " wchar_t sizes\n"));
636 fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
637 fprintf (file, _(" --long-plt Generate long .plt entries\n"
638 " to handle large .plt/.got displacements\n"));
639 fprintf (file, _(" --cmse-implib Make import library to be a secure gateway import\n"
640 " library as per ARMv8-M Security Extensions\n"));
641 fprintf (file, _(" --in-implib Import library whose symbols address must\n"
642 " remain stable\n"));
644 --stub-group-size=N Maximum size of a group of input sections that\n\
645 can be handled by one stub section. A negative\n\
646 value locates all stubs after their branches\n\
647 (with a group size of -N), while a positive\n\
648 value allows two groups of input sections, one\n\
649 before, and one after each stub section.\n\
650 Values of +/-1 indicate the linker should\n\
651 choose suitable defaults.\n"));
652 fprintf (file, _(" --[no-]fix-cortex-a8 Disable/enable Cortex-A8 Thumb-2 branch erratum fix\n"));
653 fprintf (file, _(" --no-merge-exidx-entries Disable merging exidx entries\n"));
654 fprintf (file, _(" --[no-]fix-arm1176 Disable/enable ARM1176 BLX immediate erratum fix\n"));
657 PARSE_AND_LIST_ARGS_CASES='
659 /* Only here for backwards compatibility. */
662 case OPTION_THUMB_ENTRY:
663 params.thumb_entry_symbol = optarg;
667 params.byteswap_code = 1;
670 case OPTION_TARGET1_REL:
671 params.target1_is_rel = 1;
674 case OPTION_TARGET1_ABS:
675 params.target1_is_rel = 0;
679 params.target2_type = optarg;
682 case OPTION_FIX_V4BX:
686 case OPTION_FIX_V4BX_INTERWORKING:
694 case OPTION_VFP11_DENORM_FIX:
695 if (strcmp (optarg, "none") == 0)
696 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE;
697 else if (strcmp (optarg, "scalar") == 0)
698 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR;
699 else if (strcmp (optarg, "vector") == 0)
700 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR;
702 einfo (_("%P: unrecognized VFP11 fix type '\''%s'\''\n"), optarg);
705 case OPTION_STM32L4XX_FIX:
707 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
708 else if (strcmp (optarg, "none") == 0)
709 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_NONE;
710 else if (strcmp (optarg, "default") == 0)
711 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
712 else if (strcmp (optarg, "all") == 0)
713 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_ALL;
715 einfo (_("%P: unrecognized STM32L4XX fix type '\''%s'\''\n"), optarg);
718 case OPTION_NO_ENUM_SIZE_WARNING:
719 params.no_enum_size_warning = 1;
722 case OPTION_NO_WCHAR_SIZE_WARNING:
723 params.no_wchar_size_warning = 1;
726 case OPTION_PIC_VENEER:
727 params.pic_veneer = 1;
730 case OPTION_STUBGROUP_SIZE:
734 group_size = bfd_scan_vma (optarg, &end, 0);
736 einfo (_("%F%P: invalid number `%s'\''\n"), optarg);
740 case OPTION_FIX_CORTEX_A8:
741 params.fix_cortex_a8 = 1;
744 case OPTION_NO_FIX_CORTEX_A8:
745 params.fix_cortex_a8 = 0;
748 case OPTION_NO_MERGE_EXIDX_ENTRIES:
749 params.merge_exidx_entries = 0;
752 case OPTION_FIX_ARM1176:
753 params.fix_arm1176 = 1;
756 case OPTION_NO_FIX_ARM1176:
757 params.fix_arm1176 = 0;
760 case OPTION_LONG_PLT:
761 bfd_elf32_arm_use_long_plt ();
764 case OPTION_CMSE_IMPLIB:
765 params.cmse_implib = 1;
768 case OPTION_IN_IMPLIB:
769 in_implib_filename = optarg;
773 # We have our own before_allocation etc. functions, but they call
774 # the standard routines, so give them a different name.
775 LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation
776 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
777 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
779 # Replace the elf before_parse function with our own.
780 LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
781 LDEMUL_SET_SYMBOLS=gld"${EMULATION_NAME}"_set_symbols
783 # Call the extra arm-elf function
784 LDEMUL_FINISH=gld${EMULATION_NAME}_finish