1 # This shell script emits a C file. -*- C -*-
2 # Copyright (C) 1991-2017 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 "
393 "for stub generation: %E\n"));
397 lang_for_each_statement (build_section_lists);
399 /* Call into the BFD backend to do the real work. */
400 if (! elf32_arm_size_stubs (link_info.output_bfd,
404 & elf32_arm_add_stub_section,
405 & gldarm_layout_sections_again))
407 einfo (_("%X%P: cannot size stub section: %E\n"));
413 if (need_laying_out != -1)
414 gld${EMULATION_NAME}_map_segments (need_laying_out);
418 gld${EMULATION_NAME}_finish (void)
420 struct bfd_link_hash_entry * h;
423 LANG_FOR_EACH_INPUT_STATEMENT (is)
425 /* Figure out where VFP11 erratum veneers (and the labels returning
426 from same) have been placed. */
427 bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info);
429 /* Figure out where STM32L4XX erratum veneers (and the labels returning
430 from them) have been placed. */
431 bfd_elf32_arm_stm32l4xx_fix_veneer_locations (is->the_bfd, &link_info);
435 if (!bfd_link_relocatable (&link_info))
437 /* Now build the linker stubs. */
438 if (stub_file->the_bfd->sections != NULL)
440 if (! elf32_arm_build_stubs (& link_info))
441 einfo (_("%X%P: can not build stubs: %E\n"));
447 if (params.thumb_entry_symbol)
449 h = bfd_link_hash_lookup (link_info.hash, params.thumb_entry_symbol,
454 struct elf_link_hash_entry * eh;
456 if (!entry_symbol.name)
459 h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
461 eh = (struct elf_link_hash_entry *)h;
462 if (!h || ARM_GET_SYM_BRANCH_TYPE (eh->target_internal)
463 != ST_BRANCH_TO_THUMB)
468 if (h != (struct bfd_link_hash_entry *) NULL
469 && (h->type == bfd_link_hash_defined
470 || h->type == bfd_link_hash_defweak)
471 && h->u.def.section->output_section != NULL)
473 static char buffer[32];
476 /* Special procesing is required for a Thumb entry symbol. The
477 bottom bit of its address must be set. */
478 val = (h->u.def.value
479 + bfd_get_section_vma (link_info.output_bfd,
480 h->u.def.section->output_section)
481 + h->u.def.section->output_offset);
485 /* Now convert this value into a string and store it in entry_symbol
486 where the lang_finish() function will pick it up. */
490 sprintf_vma (buffer + 2, val);
492 if (params.thumb_entry_symbol != NULL && entry_symbol.name != NULL
493 && entry_from_cmdline)
494 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
495 params.thumb_entry_symbol, entry_symbol.name);
496 entry_symbol.name = buffer;
499 einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
500 params.thumb_entry_symbol);
503 /* This is a convenient point to tell BFD about target specific flags.
504 After the output has been created, but before inputs are read. */
506 arm_elf_create_output_section_statements (void)
508 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
510 /* The arm backend needs special fields in the output hash structure.
511 These will only be created if the output format is an arm format,
512 hence we do not support linking and changing output formats at the
513 same time. Use a link followed by objcopy to change output formats. */
514 einfo (_("%F%X%P: error: Cannot change output format "
515 "whilst linking ARM binaries.\n"));
519 if (in_implib_filename)
521 params.in_implib_bfd = bfd_openr (in_implib_filename,
522 bfd_get_target (link_info.output_bfd));
524 if (params.in_implib_bfd == NULL)
525 einfo (_("%F%s: Can't open: %E\n"), in_implib_filename);
527 if (!bfd_check_format (params.in_implib_bfd, bfd_object))
528 einfo (_("%F%s: Not a relocatable file: %E\n"), in_implib_filename);
531 bfd_elf32_arm_set_target_params (link_info.output_bfd, &link_info, ¶ms);
533 stub_file = lang_add_input_file ("linker stubs",
534 lang_input_file_is_fake_enum,
536 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
537 if (stub_file->the_bfd == NULL
538 || ! bfd_set_arch_mach (stub_file->the_bfd,
539 bfd_get_arch (link_info.output_bfd),
540 bfd_get_mach (link_info.output_bfd)))
542 einfo (_("%X%P: can not create BFD %E\n"));
546 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
547 ldlang_add_file (stub_file);
549 /* Also use the stub file for stubs placed in a single output section. */
550 bfd_elf32_arm_add_glue_sections_to_bfd (stub_file->the_bfd, &link_info);
551 bfd_elf32_arm_get_bfd_for_interworking (stub_file->the_bfd, &link_info);
554 /* Avoid processing the fake stub_file in vercheck, stat_needed and
555 check_needed routines. */
557 static void (*real_func) (lang_input_statement_type *);
559 static void arm_for_each_input_file_wrapper (lang_input_statement_type *l)
566 arm_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
569 lang_for_each_input_file (&arm_for_each_input_file_wrapper);
572 #define lang_for_each_input_file arm_lang_for_each_input_file
576 # Define some shell vars to insert bits of code into the standard elf
577 # parse_args and list_options functions.
579 PARSE_AND_LIST_PROLOGUE='
580 #define OPTION_THUMB_ENTRY 301
581 #define OPTION_BE8 302
582 #define OPTION_TARGET1_REL 303
583 #define OPTION_TARGET1_ABS 304
584 #define OPTION_TARGET2 305
585 #define OPTION_FIX_V4BX 306
586 #define OPTION_USE_BLX 307
587 #define OPTION_VFP11_DENORM_FIX 308
588 #define OPTION_NO_ENUM_SIZE_WARNING 309
589 #define OPTION_PIC_VENEER 310
590 #define OPTION_FIX_V4BX_INTERWORKING 311
591 #define OPTION_STUBGROUP_SIZE 312
592 #define OPTION_NO_WCHAR_SIZE_WARNING 313
593 #define OPTION_FIX_CORTEX_A8 314
594 #define OPTION_NO_FIX_CORTEX_A8 315
595 #define OPTION_NO_MERGE_EXIDX_ENTRIES 316
596 #define OPTION_FIX_ARM1176 317
597 #define OPTION_NO_FIX_ARM1176 318
598 #define OPTION_LONG_PLT 319
599 #define OPTION_STM32L4XX_FIX 320
600 #define OPTION_CMSE_IMPLIB 321
601 #define OPTION_IN_IMPLIB 322
604 PARSE_AND_LIST_SHORTOPTS=p
606 PARSE_AND_LIST_LONGOPTS='
607 { "no-pipeline-knowledge", no_argument, NULL, '\'p\''},
608 { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
609 { "be8", no_argument, NULL, OPTION_BE8},
610 { "target1-rel", no_argument, NULL, OPTION_TARGET1_REL},
611 { "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS},
612 { "target2", required_argument, NULL, OPTION_TARGET2},
613 { "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
614 { "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING},
615 { "use-blx", no_argument, NULL, OPTION_USE_BLX},
616 { "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
617 { "fix-stm32l4xx-629360", optional_argument, NULL, OPTION_STM32L4XX_FIX},
618 { "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
619 { "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
620 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
621 { "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
622 { "fix-cortex-a8", no_argument, NULL, OPTION_FIX_CORTEX_A8 },
623 { "no-fix-cortex-a8", no_argument, NULL, OPTION_NO_FIX_CORTEX_A8 },
624 { "no-merge-exidx-entries", no_argument, NULL, OPTION_NO_MERGE_EXIDX_ENTRIES },
625 { "fix-arm1176", no_argument, NULL, OPTION_FIX_ARM1176 },
626 { "no-fix-arm1176", no_argument, NULL, OPTION_NO_FIX_ARM1176 },
627 { "long-plt", no_argument, NULL, OPTION_LONG_PLT },
628 { "cmse-implib", no_argument, NULL, OPTION_CMSE_IMPLIB },
629 { "in-implib", required_argument, NULL, OPTION_IN_IMPLIB },
632 PARSE_AND_LIST_OPTIONS='
633 fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n"));
634 fprintf (file, _(" --be8 Output BE8 format image\n"));
635 fprintf (file, _(" --target1-rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n"));
636 fprintf (file, _(" --target1-abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n"));
637 fprintf (file, _(" --target2=<type> Specify definition of R_ARM_TARGET2\n"));
638 fprintf (file, _(" --fix-v4bx Rewrite BX rn as MOV pc, rn for ARMv4\n"));
639 fprintf (file, _(" --fix-v4bx-interworking Rewrite BX rn branch to ARMv4 interworking veneer\n"));
640 fprintf (file, _(" --use-blx Enable use of BLX instructions\n"));
641 fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n"));
642 fprintf (file, _(" --fix-stm32l4xx-629360 Specify how to fix STM32L4XX 629360 erratum\n"));
643 fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
645 fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible\n"
646 " wchar_t sizes\n"));
647 fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
648 fprintf (file, _(" --long-plt Generate long .plt entries\n"
649 " to handle large .plt/.got displacements\n"));
650 fprintf (file, _(" --cmse-implib Make import library to be a secure gateway import\n"
651 " library as per ARMv8-M Security Extensions\n"));
652 fprintf (file, _(" --in-implib Import library whose symbols address must\n"
653 " remain stable\n"));
655 --stub-group-size=N Maximum size of a group of input sections that\n\
656 can be handled by one stub section. A negative\n\
657 value locates all stubs after their branches\n\
658 (with a group size of -N), while a positive\n\
659 value allows two groups of input sections, one\n\
660 before, and one after each stub section.\n\
661 Values of +/-1 indicate the linker should\n\
662 choose suitable defaults.\n"));
663 fprintf (file, _(" --[no-]fix-cortex-a8 Disable/enable Cortex-A8 Thumb-2 branch erratum fix\n"));
664 fprintf (file, _(" --no-merge-exidx-entries Disable merging exidx entries\n"));
665 fprintf (file, _(" --[no-]fix-arm1176 Disable/enable ARM1176 BLX immediate erratum fix\n"));
668 PARSE_AND_LIST_ARGS_CASES='
670 /* Only here for backwards compatibility. */
673 case OPTION_THUMB_ENTRY:
674 params.thumb_entry_symbol = optarg;
678 params.byteswap_code = 1;
681 case OPTION_TARGET1_REL:
682 params.target1_is_rel = 1;
685 case OPTION_TARGET1_ABS:
686 params.target1_is_rel = 0;
690 params.target2_type = optarg;
693 case OPTION_FIX_V4BX:
697 case OPTION_FIX_V4BX_INTERWORKING:
705 case OPTION_VFP11_DENORM_FIX:
706 if (strcmp (optarg, "none") == 0)
707 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE;
708 else if (strcmp (optarg, "scalar") == 0)
709 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR;
710 else if (strcmp (optarg, "vector") == 0)
711 params.vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR;
713 einfo (_("Unrecognized VFP11 fix type '\''%s'\''.\n"), optarg);
716 case OPTION_STM32L4XX_FIX:
718 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
719 else if (strcmp (optarg, "none") == 0)
720 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_NONE;
721 else if (strcmp (optarg, "default") == 0)
722 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_DEFAULT;
723 else if (strcmp (optarg, "all") == 0)
724 params.stm32l4xx_fix = BFD_ARM_STM32L4XX_FIX_ALL;
726 einfo (_("Unrecognized STM32L4XX fix type '\''%s'\''.\n"), optarg);
729 case OPTION_NO_ENUM_SIZE_WARNING:
730 params.no_enum_size_warning = 1;
733 case OPTION_NO_WCHAR_SIZE_WARNING:
734 params.no_wchar_size_warning = 1;
737 case OPTION_PIC_VENEER:
738 params.pic_veneer = 1;
741 case OPTION_STUBGROUP_SIZE:
745 group_size = bfd_scan_vma (optarg, &end, 0);
747 einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
751 case OPTION_FIX_CORTEX_A8:
752 params.fix_cortex_a8 = 1;
755 case OPTION_NO_FIX_CORTEX_A8:
756 params.fix_cortex_a8 = 0;
759 case OPTION_NO_MERGE_EXIDX_ENTRIES:
760 params.merge_exidx_entries = 0;
763 case OPTION_FIX_ARM1176:
764 params.fix_arm1176 = 1;
767 case OPTION_NO_FIX_ARM1176:
768 params.fix_arm1176 = 0;
771 case OPTION_LONG_PLT:
772 bfd_elf32_arm_use_long_plt ();
775 case OPTION_CMSE_IMPLIB:
776 params.cmse_implib = 1;
779 case OPTION_IN_IMPLIB:
780 in_implib_filename = optarg;
784 # We have our own before_allocation etc. functions, but they call
785 # the standard routines, so give them a different name.
786 LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation
787 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
788 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
790 # Replace the elf before_parse function with our own.
791 LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
792 LDEMUL_SET_SYMBOLS=gld"${EMULATION_NAME}"_set_symbols
794 # Call the extra arm-elf function
795 LDEMUL_FINISH=gld${EMULATION_NAME}_finish