1 # This shell script emits a C file. -*- C -*-
2 # Copyright (C) 1991-2016 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 elf32.em, and defines extra arm-elf
25 test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel"
31 static struct elf32_arm_params params =
33 NULL, /* thumb_entry_symbol */
34 0, /* byteswap_code */
35 0${TARGET1_IS_REL}, /* target1_is_rel */
36 "${TARGET2_TYPE}", /* target2_type */
39 BFD_ARM_VFP11_FIX_DEFAULT, /* vfp11_denorm_fix */
40 BFD_ARM_STM32L4XX_FIX_NONE, /* stm32l4xx_fix */
41 0, /* no_enum_size_warning */
42 0, /* no_wchar_size_warning */
44 -1, /* fix_cortex_a8 */
46 -1, /* merge_exidx_entries */
48 NULL /* in_implib_bfd */
50 static char *in_implib_filename = NULL;
53 gld${EMULATION_NAME}_before_parse (void)
55 #ifndef TARGET_ /* I.e., if not generic. */
56 ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
57 #endif /* not TARGET_ */
58 input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
59 config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
60 config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
61 link_info.relro = DEFAULT_LD_Z_RELRO;
65 gld${EMULATION_NAME}_set_symbols (void)
67 /* PR 19106: The section resizing code in gldarmelf_after_allocation
68 is effectively the same as relaxation, so prevent early memory
69 region checks which produce bogus error messages.
70 Note - this test has nothing to do with symbols. It is just here
71 because this is the first emulation routine that is called after
72 the command line has been parsed. */
73 if (!bfd_link_relocatable (&link_info))
74 TARGET_ENABLE_RELAXATION;
78 arm_elf_before_allocation (void)
80 bfd_elf32_arm_set_byteswap_code (&link_info, params.byteswap_code);
82 /* Choose type of VFP11 erratum fix, or warn if specified fix is unnecessary
83 due to architecture version. */
84 bfd_elf32_arm_set_vfp11_fix (link_info.output_bfd, &link_info);
86 /* Choose type of STM32L4XX erratum fix, or warn if specified fix is
87 unnecessary due to architecture version. */
88 bfd_elf32_arm_set_stm32l4xx_fix (link_info.output_bfd, &link_info);
90 /* Auto-select Cortex-A8 erratum fix if it wasn't explicitly specified. */
91 bfd_elf32_arm_set_cortex_a8_fix (link_info.output_bfd, &link_info);
93 /* Ensure the output sections of veneers needing a dedicated one is not
95 bfd_elf32_arm_keep_private_stub_output_sections (&link_info);
97 /* We should be able to set the size of the interworking stub section. We
98 can't do it until later if we have dynamic sections, though. */
99 if (elf_hash_table (&link_info)->dynobj == NULL)
101 /* Here we rummage through the found bfds to collect glue information. */
102 LANG_FOR_EACH_INPUT_STATEMENT (is)
104 /* Initialise mapping tables for code/data. */
105 bfd_elf32_arm_init_maps (is->the_bfd);
107 if (!bfd_elf32_arm_process_before_allocation (is->the_bfd,
109 || !bfd_elf32_arm_vfp11_erratum_scan (is->the_bfd, &link_info)
110 || !bfd_elf32_arm_stm32l4xx_erratum_scan (is->the_bfd,
112 /* xgettext:c-format */
113 einfo (_("Errors encountered processing file %s"), is->filename);
116 /* We have seen it all. Allocate it, and carry on. */
117 bfd_elf32_arm_allocate_interworking_sections (& link_info);
120 /* Call the standard elf routine. */
121 gld${EMULATION_NAME}_before_allocation ();
124 /* Fake input file for stubs. */
125 static lang_input_statement_type *stub_file;
127 /* Whether we need to call gldarm_layout_sections_again. */
128 static int need_laying_out = 0;
130 /* Maximum size of a group of input sections that can be handled by
131 one stub section. A value of +/-1 indicates the bfd back-end
132 should use a suitable default size. */
133 static bfd_signed_vma group_size = 1;
135 struct hook_stub_info
137 lang_statement_list_type add;
138 asection *input_section;
141 /* Traverse the linker tree to find the spot where the stub goes. */
144 hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
146 lang_statement_union_type *l;
149 for (; (l = *lp) != NULL; lp = &l->header.next)
151 switch (l->header.type)
153 case lang_constructors_statement_enum:
154 ret = hook_in_stub (info, &constructor_list.head);
159 case lang_output_section_statement_enum:
160 ret = hook_in_stub (info,
161 &l->output_section_statement.children.head);
166 case lang_wild_statement_enum:
167 ret = hook_in_stub (info, &l->wild_statement.children.head);
172 case lang_group_statement_enum:
173 ret = hook_in_stub (info, &l->group_statement.children.head);
178 case lang_input_section_enum:
179 if (l->input_section.section == info->input_section)
181 /* We've found our section. Insert the stub immediately
182 after its associated input section. */
183 *(info->add.tail) = l->header.next;
184 l->header.next = info->add.head;
189 case lang_data_statement_enum:
190 case lang_reloc_statement_enum:
191 case lang_object_symbols_statement_enum:
192 case lang_output_statement_enum:
193 case lang_target_statement_enum:
194 case lang_input_statement_enum:
195 case lang_assignment_statement_enum:
196 case lang_padding_statement_enum:
197 case lang_address_statement_enum:
198 case lang_fill_statement_enum:
210 /* Call-back for elf32_arm_size_stubs. */
212 /* Create a new stub section, and arrange for it to be linked
213 immediately after INPUT_SECTION. */
216 elf32_arm_add_stub_section (const char * stub_sec_name,
217 asection * output_section,
218 asection * after_input_section,
219 unsigned int alignment_power)
223 lang_output_section_statement_type *os;
224 struct hook_stub_info info;
226 flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
227 | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
228 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
229 stub_sec_name, flags);
230 if (stub_sec == NULL)
233 bfd_set_section_alignment (stub_file->the_bfd, stub_sec, alignment_power);
235 os = lang_output_section_get (output_section);
237 info.input_section = after_input_section;
238 lang_list_init (&info.add);
239 lang_add_section (&info.add, stub_sec, NULL, os);
241 if (info.add.head == NULL)
244 if (after_input_section == NULL)
246 lang_statement_union_type **lp = &os->children.head;
247 lang_statement_union_type *l, *lprev = NULL;
249 for (; (l = *lp) != NULL; lp = &l->header.next, lprev = l);
252 lprev->header.next = info.add.head;
254 os->children.head = info.add.head;
260 if (hook_in_stub (&info, &os->children.head))
265 einfo ("%X%P: can not make stub section: %E\n");
269 /* Another call-back for elf_arm_size_stubs. */
272 gldarm_layout_sections_again (void)
274 /* If we have changed sizes of the stub sections, then we need
275 to recalculate all the section offsets. This may mean we need to
276 add even more stubs. */
277 gld${EMULATION_NAME}_map_segments (TRUE);
278 need_laying_out = -1;
282 build_section_lists (lang_statement_union_type *statement)
284 if (statement->header.type == lang_input_section_enum)
286 asection *i = statement->input_section.section;
288 if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
289 && (i->flags & SEC_EXCLUDE) == 0
290 && i->output_section != NULL
291 && i->output_section->owner == link_info.output_bfd)
292 elf32_arm_next_input_section (& link_info, i);
297 compare_output_sec_vma (const void *a, const void *b)
299 asection *asec = *(asection **) a, *bsec = *(asection **) b;
300 asection *aout = asec->output_section, *bout = bsec->output_section;
303 /* If there's no output section for some reason, compare equal. */
307 avma = aout->vma + asec->output_offset;
308 bvma = bout->vma + bsec->output_offset;
312 else if (avma < bvma)
319 gld${EMULATION_NAME}_after_allocation (void)
323 /* Build a sorted list of input text sections, then use that to process
324 the unwind table index. */
325 unsigned int list_size = 10;
326 asection **sec_list = (asection **)
327 xmalloc (list_size * sizeof (asection *));
328 unsigned int sec_count = 0;
330 LANG_FOR_EACH_INPUT_STATEMENT (is)
332 bfd *abfd = is->the_bfd;
335 if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
338 for (sec = abfd->sections; sec != NULL; sec = sec->next)
340 asection *out_sec = sec->output_section;
343 && elf_section_data (sec)
344 && elf_section_type (sec) == SHT_PROGBITS
345 && (elf_section_flags (sec) & SHF_EXECINSTR) != 0
346 && (sec->flags & SEC_EXCLUDE) == 0
347 && sec->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
348 && out_sec != bfd_abs_section_ptr)
350 if (sec_count == list_size)
353 sec_list = (asection **)
354 xrealloc (sec_list, list_size * sizeof (asection *));
357 sec_list[sec_count++] = sec;
362 qsort (sec_list, sec_count, sizeof (asection *), &compare_output_sec_vma);
364 if (elf32_arm_fix_exidx_coverage (sec_list, sec_count, &link_info,
365 params.merge_exidx_entries))
370 /* bfd_elf32_discard_info just plays with debugging sections,
371 ie. doesn't affect any code, so we can delay resizing the
372 sections. It's likely we'll resize everything in the process of
374 ret = bfd_elf_discard_info (link_info.output_bfd, & link_info);
377 einfo ("%X%P: .eh_frame/.stab edit: %E\n");
383 /* If generating a relocatable output file, then we don't
384 have to examine the relocs. */
385 if (stub_file != NULL && !bfd_link_relocatable (&link_info))
387 ret = elf32_arm_setup_section_lists (link_info.output_bfd, &link_info);
392 einfo ("%X%P: could not compute sections lists for stub generation: %E\n");
396 lang_for_each_statement (build_section_lists);
398 /* Call into the BFD backend to do the real work. */
399 if (! elf32_arm_size_stubs (link_info.output_bfd,
403 & elf32_arm_add_stub_section,
404 & gldarm_layout_sections_again))
406 einfo ("%X%P: cannot size stub section: %E\n");
412 if (need_laying_out != -1)
413 gld${EMULATION_NAME}_map_segments (need_laying_out);
417 gld${EMULATION_NAME}_finish (void)
419 struct bfd_link_hash_entry * h;
422 LANG_FOR_EACH_INPUT_STATEMENT (is)
424 /* Figure out where VFP11 erratum veneers (and the labels returning
425 from same) have been placed. */
426 bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info);
428 /* Figure out where STM32L4XX erratum veneers (and the labels returning
429 from them) have been placed. */
430 bfd_elf32_arm_stm32l4xx_fix_veneer_locations (is->the_bfd, &link_info);
434 if (!bfd_link_relocatable (&link_info))
436 /* Now build the linker stubs. */
437 if (stub_file->the_bfd->sections != NULL)
439 if (! elf32_arm_build_stubs (& link_info))
440 einfo ("%X%P: can not build stubs: %E\n");
446 if (params.thumb_entry_symbol)
448 h = bfd_link_hash_lookup (link_info.hash, params.thumb_entry_symbol,
453 struct elf_link_hash_entry * eh;
455 if (!entry_symbol.name)
458 h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
460 eh = (struct elf_link_hash_entry *)h;
461 if (!h || ARM_GET_SYM_BRANCH_TYPE (eh->target_internal)
462 != ST_BRANCH_TO_THUMB)
467 if (h != (struct bfd_link_hash_entry *) NULL
468 && (h->type == bfd_link_hash_defined
469 || h->type == bfd_link_hash_defweak)
470 && h->u.def.section->output_section != NULL)
472 static char buffer[32];
475 /* Special procesing is required for a Thumb entry symbol. The
476 bottom bit of its address must be set. */
477 val = (h->u.def.value
478 + bfd_get_section_vma (link_info.output_bfd,
479 h->u.def.section->output_section)
480 + h->u.def.section->output_offset);
484 /* Now convert this value into a string and store it in entry_symbol
485 where the lang_finish() function will pick it up. */
489 sprintf_vma (buffer + 2, val);
491 if (params.thumb_entry_symbol != NULL && entry_symbol.name != NULL
492 && entry_from_cmdline)
493 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
494 params.thumb_entry_symbol, entry_symbol.name);
495 entry_symbol.name = buffer;
498 einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
499 params.thumb_entry_symbol);
502 /* This is a convenient point to tell BFD about target specific flags.
503 After the output has been created, but before inputs are read. */
505 arm_elf_create_output_section_statements (void)
507 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
509 /* The arm backend needs special fields in the output hash structure.
510 These will only be created if the output format is an arm format,
511 hence we do not support linking and changing output formats at the
512 same time. Use a link followed by objcopy to change output formats. */
513 einfo ("%F%X%P: error: Cannot change output format whilst linking ARM binaries.\n");
517 if (in_implib_filename)
519 params.in_implib_bfd = bfd_openr (in_implib_filename,
520 bfd_get_target (link_info.output_bfd));
522 if (params.in_implib_bfd == NULL)
523 einfo ("%F%s: Can't open: %E\n", in_implib_filename);
525 if (!bfd_check_format (params.in_implib_bfd, bfd_object))
526 einfo ("%F%s: Not a relocatable file: %E\n", in_implib_filename);
529 bfd_elf32_arm_set_target_params (link_info.output_bfd, &link_info, ¶ms);
531 stub_file = lang_add_input_file ("linker stubs",
532 lang_input_file_is_fake_enum,
534 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
535 if (stub_file->the_bfd == NULL
536 || ! bfd_set_arch_mach (stub_file->the_bfd,
537 bfd_get_arch (link_info.output_bfd),
538 bfd_get_mach (link_info.output_bfd)))
540 einfo ("%X%P: can not create BFD %E\n");
544 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
545 ldlang_add_file (stub_file);
547 /* Also use the stub file for stubs placed in a single output section. */
548 bfd_elf32_arm_add_glue_sections_to_bfd (stub_file->the_bfd, &link_info);
549 bfd_elf32_arm_get_bfd_for_interworking (stub_file->the_bfd, &link_info);
552 /* Avoid processing the fake stub_file in vercheck, stat_needed and
553 check_needed routines. */
555 static void (*real_func) (lang_input_statement_type *);
557 static void arm_for_each_input_file_wrapper (lang_input_statement_type *l)
564 arm_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
567 lang_for_each_input_file (&arm_for_each_input_file_wrapper);
570 #define lang_for_each_input_file arm_lang_for_each_input_file
574 # Define some shell vars to insert bits of code into the standard elf
575 # parse_args and list_options functions.
577 PARSE_AND_LIST_PROLOGUE='
578 #define OPTION_THUMB_ENTRY 301
579 #define OPTION_BE8 302
580 #define OPTION_TARGET1_REL 303
581 #define OPTION_TARGET1_ABS 304
582 #define OPTION_TARGET2 305
583 #define OPTION_FIX_V4BX 306
584 #define OPTION_USE_BLX 307
585 #define OPTION_VFP11_DENORM_FIX 308
586 #define OPTION_NO_ENUM_SIZE_WARNING 309
587 #define OPTION_PIC_VENEER 310
588 #define OPTION_FIX_V4BX_INTERWORKING 311
589 #define OPTION_STUBGROUP_SIZE 312
590 #define OPTION_NO_WCHAR_SIZE_WARNING 313
591 #define OPTION_FIX_CORTEX_A8 314
592 #define OPTION_NO_FIX_CORTEX_A8 315
593 #define OPTION_NO_MERGE_EXIDX_ENTRIES 316
594 #define OPTION_FIX_ARM1176 317
595 #define OPTION_NO_FIX_ARM1176 318
596 #define OPTION_LONG_PLT 319
597 #define OPTION_STM32L4XX_FIX 320
598 #define OPTION_CMSE_IMPLIB 321
599 #define OPTION_IN_IMPLIB 322
602 PARSE_AND_LIST_SHORTOPTS=p
604 PARSE_AND_LIST_LONGOPTS='
605 { "no-pipeline-knowledge", no_argument, NULL, '\'p\''},
606 { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
607 { "be8", no_argument, NULL, OPTION_BE8},
608 { "target1-rel", no_argument, NULL, OPTION_TARGET1_REL},
609 { "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS},
610 { "target2", required_argument, NULL, OPTION_TARGET2},
611 { "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
612 { "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING},
613 { "use-blx", no_argument, NULL, OPTION_USE_BLX},
614 { "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
615 { "fix-stm32l4xx-629360", optional_argument, NULL, OPTION_STM32L4XX_FIX},
616 { "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
617 { "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
618 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
619 { "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
620 { "fix-cortex-a8", no_argument, NULL, OPTION_FIX_CORTEX_A8 },
621 { "no-fix-cortex-a8", no_argument, NULL, OPTION_NO_FIX_CORTEX_A8 },
622 { "no-merge-exidx-entries", no_argument, NULL, OPTION_NO_MERGE_EXIDX_ENTRIES },
623 { "fix-arm1176", no_argument, NULL, OPTION_FIX_ARM1176 },
624 { "no-fix-arm1176", no_argument, NULL, OPTION_NO_FIX_ARM1176 },
625 { "long-plt", no_argument, NULL, OPTION_LONG_PLT },
626 { "cmse-implib", no_argument, NULL, OPTION_CMSE_IMPLIB },
627 { "in-implib", required_argument, NULL, OPTION_IN_IMPLIB },
630 PARSE_AND_LIST_OPTIONS='
631 fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n"));
632 fprintf (file, _(" --be8 Output BE8 format image\n"));
633 fprintf (file, _(" --target1-rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n"));
634 fprintf (file, _(" --target1-abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n"));
635 fprintf (file, _(" --target2=<type> Specify definition of R_ARM_TARGET2\n"));
636 fprintf (file, _(" --fix-v4bx Rewrite BX rn as MOV pc, rn for ARMv4\n"));
637 fprintf (file, _(" --fix-v4bx-interworking Rewrite BX rn branch to ARMv4 interworking veneer\n"));
638 fprintf (file, _(" --use-blx Enable use of BLX instructions\n"));
639 fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n"));
640 fprintf (file, _(" --fix-stm32l4xx-629360 Specify how to fix STM32L4XX 629360 erratum\n"));
641 fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
643 fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible\n"
644 " wchar_t sizes\n"));
645 fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
646 fprintf (file, _(" --long-plt Generate long .plt entries\n"
647 " to handle large .plt/.got displacements\n"));
648 fprintf (file, _(" --cmse-implib Make import library to be a secure gateway import\n"
649 " library as per ARMv8-M Security Extensions\n"));
650 fprintf (file, _(" --in-implib Import library whose symbols address must\n"
651 " remain stable\n"));
653 --stub-group-size=N Maximum size of a group of input sections that\n\
654 can be handled by one stub section. A negative\n\
655 value locates all stubs after their branches\n\
656 (with a group size of -N), while a positive\n\
657 value allows two groups of input sections, one\n\
658 before, and one after each stub section.\n\
659 Values of +/-1 indicate the linker should\n\
660 choose suitable defaults.\n"));
661 fprintf (file, _(" --[no-]fix-cortex-a8 Disable/enable Cortex-A8 Thumb-2 branch erratum fix\n"));
662 fprintf (file, _(" --no-merge-exidx-entries Disable merging exidx entries\n"));
663 fprintf (file, _(" --[no-]fix-arm1176 Disable/enable ARM1176 BLX immediate erratum fix\n"));
666 PARSE_AND_LIST_ARGS_CASES='
668 /* Only here for backwards compatibility. */
671 case OPTION_THUMB_ENTRY:
672 params.thumb_entry_symbol = optarg;
676 params.byteswap_code = 1;
679 case OPTION_TARGET1_REL:
680 params.target1_is_rel = 1;
683 case OPTION_TARGET1_ABS:
684 params.target1_is_rel = 0;
688 params.target2_type = optarg;
691 case OPTION_FIX_V4BX:
695 case OPTION_FIX_V4BX_INTERWORKING:
703 case OPTION_VFP11_DENORM_FIX:
704 if (strcmp (optarg, "none") == 0)
705 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE;
706 else if (strcmp (optarg, "scalar") == 0)
707 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR;
708 else if (strcmp (optarg, "vector") == 0)
709 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR;
711 einfo (_("Unrecognized VFP11 fix type '\''%s'\''.\n"), optarg);
714 case OPTION_STM32L4XX_FIX:
716 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
717 else if (strcmp (optarg, "none") == 0)
718 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_NONE;
719 else if (strcmp (optarg, "default") == 0)
720 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
721 else if (strcmp (optarg, "all") == 0)
722 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_ALL;
724 einfo (_("Unrecognized STM32L4XX fix type '\''%s'\''.\n"), optarg);
727 case OPTION_NO_ENUM_SIZE_WARNING:
728 params.no_enum_size_warning = 1;
731 case OPTION_NO_WCHAR_SIZE_WARNING:
732 params.no_wchar_size_warning = 1;
735 case OPTION_PIC_VENEER:
736 params.pic_veneer = 1;
739 case OPTION_STUBGROUP_SIZE:
743 group_size = bfd_scan_vma (optarg, &end, 0);
745 einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
749 case OPTION_FIX_CORTEX_A8:
750 params.fix_cortex_a8 = 1;
753 case OPTION_NO_FIX_CORTEX_A8:
754 params.fix_cortex_a8 = 0;
757 case OPTION_NO_MERGE_EXIDX_ENTRIES:
758 params.merge_exidx_entries = 0;
761 case OPTION_FIX_ARM1176:
762 params.fix_arm1176 = 1;
765 case OPTION_NO_FIX_ARM1176:
766 params.fix_arm1176 = 0;
769 case OPTION_LONG_PLT:
770 bfd_elf32_arm_use_long_plt ();
773 case OPTION_CMSE_IMPLIB:
774 params.cmse_implib = 1;
777 case OPTION_IN_IMPLIB:
778 in_implib_filename = optarg;
782 # We have our own before_allocation etc. functions, but they call
783 # the standard routines, so give them a different name.
784 LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation
785 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
786 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
788 # Replace the elf before_parse function with our own.
789 LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
790 LDEMUL_SET_SYMBOLS=gld"${EMULATION_NAME}"_set_symbols
792 # Call the extra arm-elf function
793 LDEMUL_FINISH=gld${EMULATION_NAME}_finish