1 # This shell script emits a C file. -*- C -*-
2 # Copyright (C) 1991-2022 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;
70 link_info.separate_code = DEFAULT_LD_Z_SEPARATE_CODE;
71 link_info.warn_execstack = DEFAULT_LD_WARN_EXECSTACK;
72 link_info.no_warn_rwx_segments = ! DEFAULT_LD_WARN_RWX_SEGMENTS;
73 link_info.default_execstack = DEFAULT_LD_EXECSTACK;
77 gld${EMULATION_NAME}_set_symbols (void)
79 /* PR 19106: The section resizing code in gldarmelf_after_allocation
80 is effectively the same as relaxation, so prevent early memory
81 region checks which produce bogus error messages.
82 Note - this test has nothing to do with symbols. It is just here
83 because this is the first emulation routine that is called after
84 the command line has been parsed. */
85 if (!bfd_link_relocatable (&link_info))
86 TARGET_ENABLE_RELAXATION;
90 arm_elf_before_allocation (void)
92 bfd_elf32_arm_set_byteswap_code (&link_info, params.byteswap_code);
94 /* Choose type of VFP11 erratum fix, or warn if specified fix is unnecessary
95 due to architecture version. */
96 bfd_elf32_arm_set_vfp11_fix (link_info.output_bfd, &link_info);
98 /* Choose type of STM32L4XX erratum fix, or warn if specified fix is
99 unnecessary due to architecture version. */
100 bfd_elf32_arm_set_stm32l4xx_fix (link_info.output_bfd, &link_info);
102 /* Auto-select Cortex-A8 erratum fix if it wasn't explicitly specified. */
103 bfd_elf32_arm_set_cortex_a8_fix (link_info.output_bfd, &link_info);
105 /* Ensure the output sections of veneers needing a dedicated one is not
107 bfd_elf32_arm_keep_private_stub_output_sections (&link_info);
109 /* We should be able to set the size of the interworking stub section. We
110 can't do it until later if we have dynamic sections, though. */
111 if (elf_hash_table (&link_info)->dynobj == NULL)
113 /* Here we rummage through the found bfds to collect glue information. */
114 LANG_FOR_EACH_INPUT_STATEMENT (is)
116 /* Initialise mapping tables for code/data. */
117 bfd_elf32_arm_init_maps (is->the_bfd);
119 if (!bfd_elf32_arm_process_before_allocation (is->the_bfd,
121 || !bfd_elf32_arm_vfp11_erratum_scan (is->the_bfd, &link_info)
122 || !bfd_elf32_arm_stm32l4xx_erratum_scan (is->the_bfd,
124 /* xgettext:c-format */
125 einfo (_("%P: errors encountered processing file %s\n"),
129 /* We have seen it all. Allocate it, and carry on. */
130 bfd_elf32_arm_allocate_interworking_sections (& link_info);
133 /* Call the standard elf routine. */
134 gld${EMULATION_NAME}_before_allocation ();
137 /* Fake input file for stubs. */
138 static lang_input_statement_type *stub_file;
140 /* Whether we need to call gldarm_layout_sections_again. */
141 static int need_laying_out = 0;
143 /* Maximum size of a group of input sections that can be handled by
144 one stub section. A value of +/-1 indicates the bfd back-end
145 should use a suitable default size. */
146 static bfd_signed_vma group_size = 1;
148 struct hook_stub_info
150 lang_statement_list_type add;
151 asection *input_section;
154 /* Traverse the linker tree to find the spot where the stub goes. */
157 hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
159 lang_statement_union_type *l;
162 for (; (l = *lp) != NULL; lp = &l->header.next)
164 switch (l->header.type)
166 case lang_constructors_statement_enum:
167 ret = hook_in_stub (info, &constructor_list.head);
172 case lang_output_section_statement_enum:
173 ret = hook_in_stub (info,
174 &l->output_section_statement.children.head);
179 case lang_wild_statement_enum:
180 ret = hook_in_stub (info, &l->wild_statement.children.head);
185 case lang_group_statement_enum:
186 ret = hook_in_stub (info, &l->group_statement.children.head);
191 case lang_input_section_enum:
192 if (l->input_section.section == info->input_section)
194 /* We've found our section. Insert the stub immediately
195 after its associated input section. */
196 *(info->add.tail) = l->header.next;
197 l->header.next = info->add.head;
202 case lang_data_statement_enum:
203 case lang_reloc_statement_enum:
204 case lang_object_symbols_statement_enum:
205 case lang_output_statement_enum:
206 case lang_target_statement_enum:
207 case lang_input_statement_enum:
208 case lang_assignment_statement_enum:
209 case lang_padding_statement_enum:
210 case lang_address_statement_enum:
211 case lang_fill_statement_enum:
223 /* Call-back for elf32_arm_size_stubs. */
225 /* Create a new stub section, and arrange for it to be linked
226 immediately after INPUT_SECTION. */
229 elf32_arm_add_stub_section (const char * stub_sec_name,
230 asection * output_section,
231 asection * after_input_section,
232 unsigned int alignment_power)
236 lang_output_section_statement_type *os;
237 struct hook_stub_info info;
239 flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
240 | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP
241 | SEC_LINKER_CREATED);
242 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
243 stub_sec_name, flags);
244 if (stub_sec == NULL)
247 bfd_set_section_alignment (stub_sec, alignment_power);
249 os = lang_output_section_get (output_section);
251 info.input_section = after_input_section;
252 lang_list_init (&info.add);
253 lang_add_section (&info.add, stub_sec, NULL, NULL, os);
255 if (info.add.head == NULL)
258 if (after_input_section == NULL)
260 lang_statement_union_type **lp = &os->children.head;
261 lang_statement_union_type *l, *lprev = NULL;
263 for (; (l = *lp) != NULL; lp = &l->header.next, lprev = l);
266 lprev->header.next = info.add.head;
268 os->children.head = info.add.head;
274 if (hook_in_stub (&info, &os->children.head))
279 einfo (_("%X%P: can not make stub section: %E\n"));
283 /* Another call-back for elf_arm_size_stubs. */
286 gldarm_layout_sections_again (void)
288 /* If we have changed sizes of the stub sections, then we need
289 to recalculate all the section offsets. This may mean we need to
290 add even more stubs. */
291 ldelf_map_segments (true);
292 need_laying_out = -1;
296 build_section_lists (lang_statement_union_type *statement)
298 if (statement->header.type == lang_input_section_enum)
300 asection *i = statement->input_section.section;
302 if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
303 && (i->flags & SEC_EXCLUDE) == 0
304 && i->output_section != NULL
305 && i->output_section->owner == link_info.output_bfd)
306 elf32_arm_next_input_section (& link_info, i);
311 compare_output_sec_vma (const void *a, const void *b)
313 asection *asec = *(asection **) a, *bsec = *(asection **) b;
314 asection *aout = asec->output_section, *bout = bsec->output_section;
317 /* If there's no output section for some reason, compare equal. */
321 avma = aout->vma + asec->output_offset;
322 bvma = bout->vma + bsec->output_offset;
326 else if (avma < bvma)
333 gld${EMULATION_NAME}_after_allocation (void)
337 /* Build a sorted list of input text sections, then use that to process
338 the unwind table index. */
339 unsigned int list_size = 10;
340 asection **sec_list = (asection **)
341 xmalloc (list_size * sizeof (asection *));
342 unsigned int sec_count = 0;
344 LANG_FOR_EACH_INPUT_STATEMENT (is)
346 bfd *abfd = is->the_bfd;
349 if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
352 for (sec = abfd->sections; sec != NULL; sec = sec->next)
354 asection *out_sec = sec->output_section;
357 && elf_section_data (sec)
358 && elf_section_type (sec) == SHT_PROGBITS
359 && (elf_section_flags (sec) & SHF_EXECINSTR) != 0
360 && (sec->flags & SEC_EXCLUDE) == 0
361 && sec->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
362 && out_sec != bfd_abs_section_ptr)
364 if (sec_count == list_size)
367 sec_list = (asection **)
368 xrealloc (sec_list, list_size * sizeof (asection *));
371 sec_list[sec_count++] = sec;
376 qsort (sec_list, sec_count, sizeof (asection *), &compare_output_sec_vma);
378 if (elf32_arm_fix_exidx_coverage (sec_list, sec_count, &link_info,
379 params.merge_exidx_entries))
384 /* bfd_elf32_discard_info just plays with debugging sections,
385 ie. doesn't affect any code, so we can delay resizing the
386 sections. It's likely we'll resize everything in the process of
388 ret = bfd_elf_discard_info (link_info.output_bfd, & link_info);
391 einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
397 /* If generating a relocatable output file, then we don't
398 have to examine the relocs. */
399 if (stub_file != NULL && !bfd_link_relocatable (&link_info))
401 ret = elf32_arm_setup_section_lists (link_info.output_bfd, &link_info);
406 einfo (_("%X%P: could not compute sections lists "
407 "for stub generation: %E\n"));
411 lang_for_each_statement (build_section_lists);
413 /* Call into the BFD backend to do the real work. */
414 if (! elf32_arm_size_stubs (link_info.output_bfd,
418 & elf32_arm_add_stub_section,
419 & gldarm_layout_sections_again))
421 einfo (_("%X%P: can not size stub section: %E\n"));
427 if (need_laying_out != -1)
428 ldelf_map_segments (need_laying_out);
432 gld${EMULATION_NAME}_finish (void)
434 struct bfd_link_hash_entry * h;
437 LANG_FOR_EACH_INPUT_STATEMENT (is)
439 /* Figure out where VFP11 erratum veneers (and the labels returning
440 from same) have been placed. */
441 bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info);
443 /* Figure out where STM32L4XX erratum veneers (and the labels returning
444 from them) have been placed. */
445 bfd_elf32_arm_stm32l4xx_fix_veneer_locations (is->the_bfd, &link_info);
449 if (!bfd_link_relocatable (&link_info))
451 /* Now build the linker stubs. */
452 if (stub_file->the_bfd->sections != NULL)
454 if (! elf32_arm_build_stubs (& link_info))
455 einfo (_("%X%P: can not build stubs: %E\n"));
461 if (params.thumb_entry_symbol)
463 h = bfd_link_hash_lookup (link_info.hash, params.thumb_entry_symbol,
468 struct elf_link_hash_entry * eh;
470 if (!entry_symbol.name || !is_elf_hash_table (link_info.hash))
473 h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
475 eh = (struct elf_link_hash_entry *)h;
476 if (!h || ARM_GET_SYM_BRANCH_TYPE (eh->target_internal)
477 != ST_BRANCH_TO_THUMB)
482 if (h != (struct bfd_link_hash_entry *) NULL
483 && (h->type == bfd_link_hash_defined
484 || h->type == bfd_link_hash_defweak)
485 && h->u.def.section->output_section != NULL)
487 static char buffer[32];
490 /* Special procesing is required for a Thumb entry symbol. The
491 bottom bit of its address must be set. */
492 val = (h->u.def.value
493 + bfd_section_vma (h->u.def.section->output_section)
494 + h->u.def.section->output_offset);
498 /* Now convert this value into a string and store it in entry_symbol
499 where the lang_finish() function will pick it up. */
500 sprintf (buffer, "0x%" PRIx64, (uint64_t) val);
502 if (params.thumb_entry_symbol != NULL && entry_symbol.name != NULL
503 && entry_from_cmdline)
504 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
505 params.thumb_entry_symbol, entry_symbol.name);
506 entry_symbol.name = buffer;
509 einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
513 /* This is a convenient point to tell BFD about target specific flags.
514 After the output has been created, but before inputs are read. */
516 arm_elf_create_output_section_statements (void)
518 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
520 /* The arm backend needs special fields in the output hash structure.
521 These will only be created if the output format is an arm format,
522 hence we do not support linking and changing output formats at the
523 same time. Use a link followed by objcopy to change output formats. */
524 einfo (_("%F%P: error: cannot change output format "
525 "whilst linking %s binaries\n"), "ARM");
529 if (in_implib_filename)
531 params.in_implib_bfd = bfd_openr (in_implib_filename,
532 bfd_get_target (link_info.output_bfd));
534 if (params.in_implib_bfd == NULL)
535 einfo (_("%F%P: %s: can't open: %E\n"), in_implib_filename);
537 if (!bfd_check_format (params.in_implib_bfd, bfd_object))
538 einfo (_("%F%P: %s: not a relocatable file: %E\n"), in_implib_filename);
541 bfd_elf32_arm_set_target_params (link_info.output_bfd, &link_info, ¶ms);
543 stub_file = lang_add_input_file ("linker stubs",
544 lang_input_file_is_fake_enum,
546 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
547 if (stub_file->the_bfd == NULL
548 || ! bfd_set_arch_mach (stub_file->the_bfd,
549 bfd_get_arch (link_info.output_bfd),
550 bfd_get_mach (link_info.output_bfd)))
552 einfo (_("%F%P: can not create BFD: %E\n"));
556 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
557 ldlang_add_file (stub_file);
559 /* Also use the stub file for stubs placed in a single output section. */
560 bfd_elf32_arm_add_glue_sections_to_bfd (stub_file->the_bfd, &link_info);
561 bfd_elf32_arm_get_bfd_for_interworking (stub_file->the_bfd, &link_info);
566 # Define some shell vars to insert bits of code into the standard elf
567 # parse_args and list_options functions.
569 PARSE_AND_LIST_PROLOGUE='
570 #define OPTION_THUMB_ENTRY 301
571 #define OPTION_BE8 302
572 #define OPTION_TARGET1_REL 303
573 #define OPTION_TARGET1_ABS 304
574 #define OPTION_TARGET2 305
575 #define OPTION_FIX_V4BX 306
576 #define OPTION_USE_BLX 307
577 #define OPTION_VFP11_DENORM_FIX 308
578 #define OPTION_NO_ENUM_SIZE_WARNING 309
579 #define OPTION_PIC_VENEER 310
580 #define OPTION_FIX_V4BX_INTERWORKING 311
581 #define OPTION_STUBGROUP_SIZE 312
582 #define OPTION_NO_WCHAR_SIZE_WARNING 313
583 #define OPTION_FIX_CORTEX_A8 314
584 #define OPTION_NO_FIX_CORTEX_A8 315
585 #define OPTION_NO_MERGE_EXIDX_ENTRIES 316
586 #define OPTION_FIX_ARM1176 317
587 #define OPTION_NO_FIX_ARM1176 318
588 #define OPTION_LONG_PLT 319
589 #define OPTION_STM32L4XX_FIX 320
590 #define OPTION_CMSE_IMPLIB 321
591 #define OPTION_IN_IMPLIB 322
594 PARSE_AND_LIST_SHORTOPTS=p
596 PARSE_AND_LIST_LONGOPTS='
597 { "no-pipeline-knowledge", no_argument, NULL, '\'p\''},
598 { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
599 { "be8", no_argument, NULL, OPTION_BE8},
600 { "target1-rel", no_argument, NULL, OPTION_TARGET1_REL},
601 { "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS},
602 { "target2", required_argument, NULL, OPTION_TARGET2},
603 { "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
604 { "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING},
605 { "use-blx", no_argument, NULL, OPTION_USE_BLX},
606 { "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
607 { "fix-stm32l4xx-629360", optional_argument, NULL, OPTION_STM32L4XX_FIX},
608 { "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
609 { "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
610 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
611 { "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
612 { "fix-cortex-a8", no_argument, NULL, OPTION_FIX_CORTEX_A8 },
613 { "no-fix-cortex-a8", no_argument, NULL, OPTION_NO_FIX_CORTEX_A8 },
614 { "no-merge-exidx-entries", no_argument, NULL, OPTION_NO_MERGE_EXIDX_ENTRIES },
615 { "fix-arm1176", no_argument, NULL, OPTION_FIX_ARM1176 },
616 { "no-fix-arm1176", no_argument, NULL, OPTION_NO_FIX_ARM1176 },
617 { "long-plt", no_argument, NULL, OPTION_LONG_PLT },
618 { "cmse-implib", no_argument, NULL, OPTION_CMSE_IMPLIB },
619 { "in-implib", required_argument, NULL, OPTION_IN_IMPLIB },
622 PARSE_AND_LIST_OPTIONS='
623 fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n"));
624 fprintf (file, _(" --be8 Output BE8 format image\n"));
625 fprintf (file, _(" --target1-rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n"));
626 fprintf (file, _(" --target1-abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n"));
627 fprintf (file, _(" --target2=<type> Specify definition of R_ARM_TARGET2\n"));
628 fprintf (file, _(" --fix-v4bx Rewrite BX rn as MOV pc, rn for ARMv4\n"));
629 fprintf (file, _(" --fix-v4bx-interworking Rewrite BX rn branch to ARMv4 interworking veneer\n"));
630 fprintf (file, _(" --use-blx Enable use of BLX instructions\n"));
631 fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n"));
632 fprintf (file, _(" --fix-stm32l4xx-629360 Specify how to fix STM32L4XX 629360 erratum\n"));
633 fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
635 fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible\n"
636 " wchar_t sizes\n"));
637 fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
638 fprintf (file, _(" --long-plt Generate long .plt entries\n"
639 " to handle large .plt/.got displacements\n"));
640 fprintf (file, _(" --cmse-implib Make import library to be a secure gateway import\n"
641 " library as per ARMv8-M Security Extensions\n"));
642 fprintf (file, _(" --in-implib Import library whose symbols address must\n"
643 " remain stable\n"));
645 --stub-group-size=N Maximum size of a group of input sections that\n\
646 can be handled by one stub section. A negative\n\
647 value locates all stubs after their branches\n\
648 (with a group size of -N), while a positive\n\
649 value allows two groups of input sections, one\n\
650 before, and one after each stub section.\n\
651 Values of +/-1 indicate the linker should\n\
652 choose suitable defaults.\n"));
653 fprintf (file, _(" --[no-]fix-cortex-a8 Disable/enable Cortex-A8 Thumb-2 branch erratum fix\n"));
654 fprintf (file, _(" --no-merge-exidx-entries Disable merging exidx entries\n"));
655 fprintf (file, _(" --[no-]fix-arm1176 Disable/enable ARM1176 BLX immediate erratum fix\n"));
658 PARSE_AND_LIST_ARGS_CASES='
660 /* Only here for backwards compatibility. */
663 case OPTION_THUMB_ENTRY:
664 params.thumb_entry_symbol = optarg;
668 params.byteswap_code = 1;
671 case OPTION_TARGET1_REL:
672 params.target1_is_rel = 1;
675 case OPTION_TARGET1_ABS:
676 params.target1_is_rel = 0;
680 params.target2_type = optarg;
683 case OPTION_FIX_V4BX:
687 case OPTION_FIX_V4BX_INTERWORKING:
695 case OPTION_VFP11_DENORM_FIX:
696 if (strcmp (optarg, "none") == 0)
697 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE;
698 else if (strcmp (optarg, "scalar") == 0)
699 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR;
700 else if (strcmp (optarg, "vector") == 0)
701 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR;
703 einfo (_("%P: unrecognized VFP11 fix type '\''%s'\''\n"), optarg);
706 case OPTION_STM32L4XX_FIX:
708 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
709 else if (strcmp (optarg, "none") == 0)
710 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_NONE;
711 else if (strcmp (optarg, "default") == 0)
712 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
713 else if (strcmp (optarg, "all") == 0)
714 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_ALL;
716 einfo (_("%P: unrecognized STM32L4XX fix type '\''%s'\''\n"), optarg);
719 case OPTION_NO_ENUM_SIZE_WARNING:
720 params.no_enum_size_warning = 1;
723 case OPTION_NO_WCHAR_SIZE_WARNING:
724 params.no_wchar_size_warning = 1;
727 case OPTION_PIC_VENEER:
728 params.pic_veneer = 1;
731 case OPTION_STUBGROUP_SIZE:
735 group_size = bfd_scan_vma (optarg, &end, 0);
737 einfo (_("%F%P: invalid number `%s'\''\n"), optarg);
741 case OPTION_FIX_CORTEX_A8:
742 params.fix_cortex_a8 = 1;
745 case OPTION_NO_FIX_CORTEX_A8:
746 params.fix_cortex_a8 = 0;
749 case OPTION_NO_MERGE_EXIDX_ENTRIES:
750 params.merge_exidx_entries = 0;
753 case OPTION_FIX_ARM1176:
754 params.fix_arm1176 = 1;
757 case OPTION_NO_FIX_ARM1176:
758 params.fix_arm1176 = 0;
761 case OPTION_LONG_PLT:
762 bfd_elf32_arm_use_long_plt ();
765 case OPTION_CMSE_IMPLIB:
766 params.cmse_implib = 1;
769 case OPTION_IN_IMPLIB:
770 in_implib_filename = optarg;
774 # We have our own before_allocation etc. functions, but they call
775 # the standard routines, so give them a different name.
776 LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation
777 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
778 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
780 # Replace the elf before_parse function with our own.
781 LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
782 LDEMUL_SET_SYMBOLS=gld"${EMULATION_NAME}"_set_symbols
784 # Call the extra arm-elf function
785 LDEMUL_FINISH=gld${EMULATION_NAME}_finish