Warn users about mismatched PID namespaces
[deliverable/binutils-gdb.git] / ld / emultempl / armelf.em
CommitLineData
252b5132 1# This shell script emits a C file. -*- C -*-
4b95cf5c 2# Copyright (C) 1991-2014 Free Software Foundation, Inc.
41392f03 3#
f96b4a7b 4# This file is part of the GNU Binutils.
41392f03
AM
5#
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
f96b4a7b 8# the Free Software Foundation; either version 3 of the License, or
41392f03
AM
9# (at your option) any later version.
10#
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.
15#
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
f96b4a7b
NC
18# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19# MA 02110-1301, USA.
41392f03
AM
20#
21
22# This file is sourced from elf32.em, and defines extra arm-elf
23# specific routines.
24#
a82644e2 25test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel"
92b93329 26fragment <<EOF
7ca69e9e 27
906e58ca 28#include "ldctor.h"
1d022697
PB
29#include "elf/arm.h"
30
1db37fe6 31static char * thumb_entry_symbol = NULL;
e489d0ae 32static int byteswap_code = 0;
9c504268 33static int target1_is_rel = 0${TARGET1_IS_REL};
1db37fe6 34static char * target2_type = "${TARGET2_TYPE}";
319850b4 35static int fix_v4bx = 0;
33bfe774 36static int use_blx = 0;
c6dd86c6 37static bfd_arm_vfp11_fix vfp11_denorm_fix = BFD_ARM_VFP11_FIX_DEFAULT;
48229727 38static int fix_cortex_a8 = -1;
bf21ed78 39static int no_enum_size_warning = 0;
a9dc9481 40static int no_wchar_size_warning = 0;
27e55c4d 41static int pic_veneer = 0;
85fdf906 42static int merge_exidx_entries = -1;
2de70689 43static int fix_arm1176 = 1;
7ca69e9e 44
252b5132 45static void
0c7a8e5a 46gld${EMULATION_NAME}_before_parse (void)
252b5132
RH
47{
48#ifndef TARGET_ /* I.e., if not generic. */
5e2f1575 49 ldfile_set_output_arch ("`echo ${ARCH}`", bfd_arch_unknown);
252b5132 50#endif /* not TARGET_ */
66be1055 51 input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
b34976b6 52 config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
e2caaa1f 53 config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
252b5132
RH
54}
55
1220a729 56static void
0c7a8e5a 57arm_elf_before_allocation (void)
1220a729 58{
d504ffc8
DJ
59 bfd_elf32_arm_set_byteswap_code (&link_info, byteswap_code);
60
c6dd86c6
JB
61 /* Choose type of VFP11 erratum fix, or warn if specified fix is unnecessary
62 due to architecture version. */
f13a99db 63 bfd_elf32_arm_set_vfp11_fix (link_info.output_bfd, &link_info);
c6dd86c6 64
48229727
JB
65 /* Auto-select Cortex-A8 erratum fix if it wasn't explicitly specified. */
66 bfd_elf32_arm_set_cortex_a8_fix (link_info.output_bfd, &link_info);
67
d504ffc8
DJ
68 /* We should be able to set the size of the interworking stub section. We
69 can't do it until later if we have dynamic sections, though. */
cbc704f3 70 if (elf_hash_table (&link_info)->dynobj == NULL)
d504ffc8
DJ
71 {
72 /* Here we rummage through the found bfds to collect glue information. */
73 LANG_FOR_EACH_INPUT_STATEMENT (is)
74 {
c6dd86c6
JB
75 /* Initialise mapping tables for code/data. */
76 bfd_elf32_arm_init_maps (is->the_bfd);
77
d504ffc8 78 if (!bfd_elf32_arm_process_before_allocation (is->the_bfd,
c6dd86c6
JB
79 &link_info)
80 || !bfd_elf32_arm_vfp11_erratum_scan (is->the_bfd, &link_info))
252b5132
RH
81 /* xgettext:c-format */
82 einfo (_("Errors encountered processing file %s"), is->filename);
d504ffc8 83 }
3e6b1042
DJ
84
85 /* We have seen it all. Allocate it, and carry on. */
86 bfd_elf32_arm_allocate_interworking_sections (& link_info);
d504ffc8 87 }
252b5132 88
063d4ee1
AM
89 /* Call the standard elf routine. */
90 gld${EMULATION_NAME}_before_allocation ();
252b5132
RH
91}
92
906e58ca
NC
93/* Fake input file for stubs. */
94static lang_input_statement_type *stub_file;
95
96/* Whether we need to call gldarm_layout_sections_again. */
97static int need_laying_out = 0;
98
99/* Maximum size of a group of input sections that can be handled by
100 one stub section. A value of +/-1 indicates the bfd back-end
101 should use a suitable default size. */
102static bfd_signed_vma group_size = 1;
103
104struct hook_stub_info
105{
106 lang_statement_list_type add;
107 asection *input_section;
108};
109
110/* Traverse the linker tree to find the spot where the stub goes. */
111
112static bfd_boolean
113hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
114{
115 lang_statement_union_type *l;
116 bfd_boolean ret;
117
118 for (; (l = *lp) != NULL; lp = &l->header.next)
119 {
120 switch (l->header.type)
121 {
122 case lang_constructors_statement_enum:
123 ret = hook_in_stub (info, &constructor_list.head);
124 if (ret)
125 return ret;
126 break;
127
128 case lang_output_section_statement_enum:
129 ret = hook_in_stub (info,
130 &l->output_section_statement.children.head);
131 if (ret)
132 return ret;
133 break;
134
135 case lang_wild_statement_enum:
136 ret = hook_in_stub (info, &l->wild_statement.children.head);
137 if (ret)
138 return ret;
139 break;
140
141 case lang_group_statement_enum:
142 ret = hook_in_stub (info, &l->group_statement.children.head);
143 if (ret)
144 return ret;
145 break;
146
147 case lang_input_section_enum:
148 if (l->input_section.section == info->input_section)
149 {
150 /* We've found our section. Insert the stub immediately
07d72278
DJ
151 after its associated input section. */
152 *(info->add.tail) = l->header.next;
153 l->header.next = info->add.head;
906e58ca
NC
154 return TRUE;
155 }
156 break;
157
158 case lang_data_statement_enum:
159 case lang_reloc_statement_enum:
160 case lang_object_symbols_statement_enum:
161 case lang_output_statement_enum:
162 case lang_target_statement_enum:
163 case lang_input_statement_enum:
164 case lang_assignment_statement_enum:
165 case lang_padding_statement_enum:
166 case lang_address_statement_enum:
167 case lang_fill_statement_enum:
168 break;
169
170 default:
171 FAIL ();
172 break;
173 }
174 }
175 return FALSE;
176}
177
178
179/* Call-back for elf32_arm_size_stubs. */
180
181/* Create a new stub section, and arrange for it to be linked
07d72278 182 immediately after INPUT_SECTION. */
906e58ca
NC
183
184static asection *
7a89b94e
NC
185elf32_arm_add_stub_section (const char * stub_sec_name,
186 asection * input_section,
187 unsigned int alignment_power)
906e58ca
NC
188{
189 asection *stub_sec;
190 flagword flags;
191 asection *output_section;
906e58ca
NC
192 lang_output_section_statement_type *os;
193 struct hook_stub_info info;
194
906e58ca
NC
195 flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
196 | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
9795b468
AM
197 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
198 stub_sec_name, flags);
199 if (stub_sec == NULL)
906e58ca
NC
200 goto err_ret;
201
7a89b94e 202 bfd_set_section_alignment (stub_file->the_bfd, stub_sec, alignment_power);
906e58ca
NC
203
204 output_section = input_section->output_section;
24ef1aa7 205 os = lang_output_section_get (output_section);
906e58ca
NC
206
207 info.input_section = input_section;
208 lang_list_init (&info.add);
b9c361e0 209 lang_add_section (&info.add, stub_sec, NULL, os);
906e58ca
NC
210
211 if (info.add.head == NULL)
212 goto err_ret;
213
214 if (hook_in_stub (&info, &os->children.head))
215 return stub_sec;
216
217 err_ret:
218 einfo ("%X%P: can not make stub section: %E\n");
219 return NULL;
220}
221
222/* Another call-back for elf_arm_size_stubs. */
223
6f798e5c 224static void
906e58ca
NC
225gldarm_layout_sections_again (void)
226{
227 /* If we have changed sizes of the stub sections, then we need
228 to recalculate all the section offsets. This may mean we need to
229 add even more stubs. */
230 gld${EMULATION_NAME}_map_segments (TRUE);
231 need_laying_out = -1;
232}
233
234static void
235build_section_lists (lang_statement_union_type *statement)
236{
237 if (statement->header.type == lang_input_section_enum)
238 {
239 asection *i = statement->input_section.section;
240
dbaa2011 241 if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
906e58ca
NC
242 && (i->flags & SEC_EXCLUDE) == 0
243 && i->output_section != NULL
244 && i->output_section->owner == link_info.output_bfd)
245 elf32_arm_next_input_section (& link_info, i);
246 }
247}
248
2468f9c9
PB
249static int
250compare_output_sec_vma (const void *a, const void *b)
251{
252 asection *asec = *(asection **) a, *bsec = *(asection **) b;
253 asection *aout = asec->output_section, *bout = bsec->output_section;
254 bfd_vma avma, bvma;
e2caaa1f 255
2468f9c9
PB
256 /* If there's no output section for some reason, compare equal. */
257 if (!aout || !bout)
258 return 0;
e2caaa1f 259
2468f9c9
PB
260 avma = aout->vma + asec->output_offset;
261 bvma = bout->vma + bsec->output_offset;
e2caaa1f 262
2468f9c9
PB
263 if (avma > bvma)
264 return 1;
265 else if (avma < bvma)
266 return -1;
e2caaa1f 267
2468f9c9
PB
268 return 0;
269}
270
906e58ca 271static void
eaeb0a9d 272gld${EMULATION_NAME}_after_allocation (void)
6f798e5c 273{
75938853
AM
274 int ret;
275
2468f9c9
PB
276 if (!link_info.relocatable)
277 {
278 /* Build a sorted list of input text sections, then use that to process
279 the unwind table index. */
eaeb0a9d 280 unsigned int list_size = 10;
21d799b5
NC
281 asection **sec_list = (asection **)
282 xmalloc (list_size * sizeof (asection *));
eaeb0a9d
AM
283 unsigned int sec_count = 0;
284
2468f9c9
PB
285 LANG_FOR_EACH_INPUT_STATEMENT (is)
286 {
287 bfd *abfd = is->the_bfd;
288 asection *sec;
e2caaa1f 289
2468f9c9
PB
290 if ((abfd->flags & (EXEC_P | DYNAMIC)) != 0)
291 continue;
e2caaa1f 292
2468f9c9
PB
293 for (sec = abfd->sections; sec != NULL; sec = sec->next)
294 {
295 asection *out_sec = sec->output_section;
296
297 if (out_sec
f3711133 298 && elf_section_data (sec)
2468f9c9
PB
299 && elf_section_type (sec) == SHT_PROGBITS
300 && (elf_section_flags (sec) & SHF_EXECINSTR) != 0
301 && (sec->flags & SEC_EXCLUDE) == 0
dbaa2011 302 && sec->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
2468f9c9
PB
303 && out_sec != bfd_abs_section_ptr)
304 {
305 if (sec_count == list_size)
306 {
307 list_size *= 2;
e2caaa1f 308 sec_list = (asection **)
21d799b5 309 xrealloc (sec_list, list_size * sizeof (asection *));
2468f9c9
PB
310 }
311
312 sec_list[sec_count++] = sec;
313 }
314 }
315 }
e2caaa1f 316
2468f9c9 317 qsort (sec_list, sec_count, sizeof (asection *), &compare_output_sec_vma);
e2caaa1f 318
85fdf906
AH
319 if (elf32_arm_fix_exidx_coverage (sec_list, sec_count, &link_info,
320 merge_exidx_entries))
2468f9c9 321 need_laying_out = 1;
e2caaa1f 322
2468f9c9
PB
323 free (sec_list);
324 }
6f798e5c 325
906e58ca
NC
326 /* bfd_elf32_discard_info just plays with debugging sections,
327 ie. doesn't affect any code, so we can delay resizing the
328 sections. It's likely we'll resize everything in the process of
329 adding stubs. */
75938853
AM
330 ret = bfd_elf_discard_info (link_info.output_bfd, & link_info);
331 if (ret < 0)
332 {
333 einfo ("%X%P: .eh_frame/.stab edit: %E\n");
334 return;
335 }
336 else if (ret > 0)
906e58ca
NC
337 need_laying_out = 1;
338
339 /* If generating a relocatable output file, then we don't
340 have to examine the relocs. */
341 if (stub_file != NULL && !link_info.relocatable)
342 {
75938853 343 ret = elf32_arm_setup_section_lists (link_info.output_bfd, &link_info);
906e58ca
NC
344 if (ret != 0)
345 {
346 if (ret < 0)
347 {
1a51c1a4 348 einfo ("%X%P: could not compute sections lists for stub generation: %E\n");
906e58ca
NC
349 return;
350 }
351
352 lang_for_each_statement (build_section_lists);
353
354 /* Call into the BFD backend to do the real work. */
355 if (! elf32_arm_size_stubs (link_info.output_bfd,
356 stub_file->the_bfd,
357 & link_info,
358 group_size,
359 & elf32_arm_add_stub_section,
360 & gldarm_layout_sections_again))
361 {
1a51c1a4 362 einfo ("%X%P: cannot size stub section: %E\n");
906e58ca
NC
363 return;
364 }
365 }
366 }
367
368 if (need_laying_out != -1)
369 gld${EMULATION_NAME}_map_segments (need_laying_out);
eaeb0a9d
AM
370}
371
372static void
373gld${EMULATION_NAME}_finish (void)
374{
375 struct bfd_link_hash_entry * h;
376
377 {
378 LANG_FOR_EACH_INPUT_STATEMENT (is)
379 {
380 /* Figure out where VFP11 erratum veneers (and the labels returning
381 from same) have been placed. */
382 bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info);
383 }
384 }
906e58ca
NC
385
386 if (! link_info.relocatable)
387 {
388 /* Now build the linker stubs. */
389 if (stub_file->the_bfd->sections != NULL)
390 {
391 if (! elf32_arm_build_stubs (& link_info))
392 einfo ("%X%P: can not build stubs: %E\n");
393 }
394 }
395
396 finish_default ();
c56feb2b 397
1d022697
PB
398 if (thumb_entry_symbol)
399 {
400 h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol,
401 FALSE, FALSE, TRUE);
402 }
403 else
404 {
405 struct elf_link_hash_entry * eh;
406
407 if (!entry_symbol.name)
408 return;
409
410 h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name,
411 FALSE, FALSE, TRUE);
412 eh = (struct elf_link_hash_entry *)h;
35fc36a8 413 if (!h || eh->target_internal != ST_BRANCH_TO_THUMB)
1d022697
PB
414 return;
415 }
0c7a8e5a 416
6f798e5c
NC
417
418 if (h != (struct bfd_link_hash_entry *) NULL
419 && (h->type == bfd_link_hash_defined
420 || h->type == bfd_link_hash_defweak)
421 && h->u.def.section->output_section != NULL)
422 {
423 static char buffer[32];
88f7bcd5 424 bfd_vma val;
0c7a8e5a 425
88f7bcd5
NC
426 /* Special procesing is required for a Thumb entry symbol. The
427 bottom bit of its address must be set. */
428 val = (h->u.def.value
f13a99db 429 + bfd_get_section_vma (link_info.output_bfd,
88f7bcd5
NC
430 h->u.def.section->output_section)
431 + h->u.def.section->output_offset);
0c7a8e5a 432
88f7bcd5 433 val |= 1;
6f798e5c 434
88f7bcd5 435 /* Now convert this value into a string and store it in entry_symbol
0c7a8e5a 436 where the lang_finish() function will pick it up. */
88f7bcd5
NC
437 buffer[0] = '0';
438 buffer[1] = 'x';
0c7a8e5a 439
88f7bcd5 440 sprintf_vma (buffer + 2, val);
6f798e5c 441
1d022697
PB
442 if (thumb_entry_symbol != NULL && entry_symbol.name != NULL
443 && entry_from_cmdline)
88f7bcd5
NC
444 einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"),
445 thumb_entry_symbol, entry_symbol.name);
446 entry_symbol.name = buffer;
6f798e5c 447 }
88f7bcd5 448 else
6241fe3d 449 einfo (_("%P: warning: cannot find thumb start symbol %s\n"),
88f7bcd5 450 thumb_entry_symbol);
6f798e5c
NC
451}
452
bf21ed78 453/* This is a convenient point to tell BFD about target specific flags.
3674e28a
PB
454 After the output has been created, but before inputs are read. */
455static void
456arm_elf_create_output_section_statements (void)
457{
b8976b05
NC
458 if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL)
459 {
460 /* The arm backend needs special fields in the output hash structure.
461 These will only be created if the output format is an arm format,
462 hence we do not support linking and changing output formats at the
463 same time. Use a link followed by objcopy to change output formats. */
464 einfo ("%F%X%P: error: Cannot change output format whilst linking ARM binaries.\n");
465 return;
466 }
467
f13a99db
AM
468 bfd_elf32_arm_set_target_relocs (link_info.output_bfd, &link_info,
469 target1_is_rel,
bf21ed78 470 target2_type, fix_v4bx, use_blx,
27e55c4d 471 vfp11_denorm_fix, no_enum_size_warning,
a9dc9481 472 no_wchar_size_warning,
e2caaa1f 473 pic_veneer, fix_cortex_a8,
2de70689 474 fix_arm1176);
906e58ca
NC
475
476 stub_file = lang_add_input_file ("linker stubs",
477 lang_input_file_is_fake_enum,
478 NULL);
479 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
480 if (stub_file->the_bfd == NULL
481 || ! bfd_set_arch_mach (stub_file->the_bfd,
482 bfd_get_arch (link_info.output_bfd),
483 bfd_get_mach (link_info.output_bfd)))
484 {
485 einfo ("%X%P: can not create BFD %E\n");
486 return;
487 }
e2caaa1f 488
906e58ca
NC
489 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
490 ldlang_add_file (stub_file);
3e6b1042
DJ
491
492 /* Also use the stub file for stubs placed in a single output section. */
493 bfd_elf32_arm_add_glue_sections_to_bfd (stub_file->the_bfd, &link_info);
494 bfd_elf32_arm_get_bfd_for_interworking (stub_file->the_bfd, &link_info);
906e58ca
NC
495}
496
497/* Avoid processing the fake stub_file in vercheck, stat_needed and
498 check_needed routines. */
499
500static void (*real_func) (lang_input_statement_type *);
501
502static void arm_for_each_input_file_wrapper (lang_input_statement_type *l)
503{
504 if (l != stub_file)
505 (*real_func) (l);
3674e28a
PB
506}
507
906e58ca
NC
508static void
509arm_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
510{
511 real_func = func;
512 lang_for_each_input_file (&arm_for_each_input_file_wrapper);
513}
514
515#define lang_for_each_input_file arm_lang_for_each_input_file
516
252b5132
RH
517EOF
518
41392f03
AM
519# Define some shell vars to insert bits of code into the standard elf
520# parse_args and list_options functions.
521#
522PARSE_AND_LIST_PROLOGUE='
523#define OPTION_THUMB_ENTRY 301
e489d0ae 524#define OPTION_BE8 302
9c504268
PB
525#define OPTION_TARGET1_REL 303
526#define OPTION_TARGET1_ABS 304
3674e28a 527#define OPTION_TARGET2 305
33bfe774
JB
528#define OPTION_FIX_V4BX 306
529#define OPTION_USE_BLX 307
c6dd86c6 530#define OPTION_VFP11_DENORM_FIX 308
bf21ed78 531#define OPTION_NO_ENUM_SIZE_WARNING 309
27e55c4d 532#define OPTION_PIC_VENEER 310
845b51d6 533#define OPTION_FIX_V4BX_INTERWORKING 311
8c45e5ec 534#define OPTION_STUBGROUP_SIZE 312
a9dc9481 535#define OPTION_NO_WCHAR_SIZE_WARNING 313
48229727
JB
536#define OPTION_FIX_CORTEX_A8 314
537#define OPTION_NO_FIX_CORTEX_A8 315
8c45e5ec 538#define OPTION_NO_MERGE_EXIDX_ENTRIES 316
2de70689
MGD
539#define OPTION_FIX_ARM1176 317
540#define OPTION_NO_FIX_ARM1176 318
8c45e5ec 541#define OPTION_LONG_PLT 319
41392f03 542'
252b5132 543
ef5bdbd1 544PARSE_AND_LIST_SHORTOPTS=p
252b5132 545
41392f03
AM
546PARSE_AND_LIST_LONGOPTS='
547 { "no-pipeline-knowledge", no_argument, NULL, '\'p\''},
548 { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY},
e489d0ae 549 { "be8", no_argument, NULL, OPTION_BE8},
9c504268
PB
550 { "target1-rel", no_argument, NULL, OPTION_TARGET1_REL},
551 { "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS},
3674e28a 552 { "target2", required_argument, NULL, OPTION_TARGET2},
319850b4 553 { "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX},
845b51d6 554 { "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING},
33bfe774 555 { "use-blx", no_argument, NULL, OPTION_USE_BLX},
c6dd86c6 556 { "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
bf21ed78 557 { "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
27e55c4d 558 { "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
906e58ca 559 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
a9dc9481 560 { "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING},
48229727
JB
561 { "fix-cortex-a8", no_argument, NULL, OPTION_FIX_CORTEX_A8 },
562 { "no-fix-cortex-a8", no_argument, NULL, OPTION_NO_FIX_CORTEX_A8 },
85fdf906 563 { "no-merge-exidx-entries", no_argument, NULL, OPTION_NO_MERGE_EXIDX_ENTRIES },
2de70689
MGD
564 { "fix-arm1176", no_argument, NULL, OPTION_FIX_ARM1176 },
565 { "no-fix-arm1176", no_argument, NULL, OPTION_NO_FIX_ARM1176 },
1db37fe6 566 { "long-plt", no_argument, NULL, OPTION_LONG_PLT },
41392f03 567'
252b5132 568
41392f03 569PARSE_AND_LIST_OPTIONS='
442996ee 570 fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n"));
4a977a31 571 fprintf (file, _(" --be8 Output BE8 format image\n"));
f8266dc4
NC
572 fprintf (file, _(" --target1-rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n"));
573 fprintf (file, _(" --target1-abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n"));
442996ee
AM
574 fprintf (file, _(" --target2=<type> Specify definition of R_ARM_TARGET2\n"));
575 fprintf (file, _(" --fix-v4bx Rewrite BX rn as MOV pc, rn for ARMv4\n"));
845b51d6 576 fprintf (file, _(" --fix-v4bx-interworking Rewrite BX rn branch to ARMv4 interworking veneer\n"));
442996ee
AM
577 fprintf (file, _(" --use-blx Enable use of BLX instructions\n"));
578 fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n"));
893dcb0e 579 fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible\n"
442996ee 580 " enum sizes\n"));
a272e28c 581 fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible\n"
a9dc9481 582 " wchar_t sizes\n"));
442996ee 583 fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
1db37fe6
YG
584 fprintf (file, _(" --long-plt Generate long .plt entries\n"
585 " to handle large .plt/.got displacements\n"));
906e58ca 586 fprintf (file, _("\
a272e28c
NC
587 --stub-group-size=N Maximum size of a group of input sections that\n\
588 can be handled by one stub section. A negative\n\
589 value locates all stubs after their branches\n\
590 (with a group size of -N), while a positive\n\
591 value allows two groups of input sections, one\n\
592 before, and one after each stub section.\n\
593 Values of +/-1 indicate the linker should\n\
594 choose suitable defaults.\n"));
48229727 595 fprintf (file, _(" --[no-]fix-cortex-a8 Disable/enable Cortex-A8 Thumb-2 branch erratum fix\n"));
85fdf906 596 fprintf (file, _(" --no-merge-exidx-entries Disable merging exidx entries\n"));
2de70689 597 fprintf (file, _(" --[no-]fix-arm1176 Disable/enable ARM1176 BLX immediate erratum fix\n"));
41392f03 598'
252b5132 599
41392f03
AM
600PARSE_AND_LIST_ARGS_CASES='
601 case '\'p\'':
dea514f5 602 /* Only here for backwards compatibility. */
41392f03 603 break;
252b5132 604
41392f03
AM
605 case OPTION_THUMB_ENTRY:
606 thumb_entry_symbol = optarg;
607 break;
e489d0ae
PB
608
609 case OPTION_BE8:
610 byteswap_code = 1;
611 break;
9c504268
PB
612
613 case OPTION_TARGET1_REL:
614 target1_is_rel = 1;
615 break;
616
617 case OPTION_TARGET1_ABS:
618 target1_is_rel = 0;
619 break;
3674e28a
PB
620
621 case OPTION_TARGET2:
622 target2_type = optarg;
623 break;
319850b4
JB
624
625 case OPTION_FIX_V4BX:
626 fix_v4bx = 1;
627 break;
33bfe774 628
845b51d6
PB
629 case OPTION_FIX_V4BX_INTERWORKING:
630 fix_v4bx = 2;
631 break;
632
33bfe774
JB
633 case OPTION_USE_BLX:
634 use_blx = 1;
635 break;
92b93329 636
c6dd86c6
JB
637 case OPTION_VFP11_DENORM_FIX:
638 if (strcmp (optarg, "none") == 0)
639 vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE;
640 else if (strcmp (optarg, "scalar") == 0)
641 vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR;
642 else if (strcmp (optarg, "vector") == 0)
643 vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR;
644 else
645 einfo (_("Unrecognized VFP11 fix type '\''%s'\''.\n"), optarg);
646 break;
bf21ed78
MS
647
648 case OPTION_NO_ENUM_SIZE_WARNING:
649 no_enum_size_warning = 1;
650 break;
27e55c4d 651
a9dc9481
JM
652 case OPTION_NO_WCHAR_SIZE_WARNING:
653 no_wchar_size_warning = 1;
654 break;
655
27e55c4d
PB
656 case OPTION_PIC_VENEER:
657 pic_veneer = 1;
658 break;
906e58ca
NC
659
660 case OPTION_STUBGROUP_SIZE:
661 {
662 const char *end;
663
664 group_size = bfd_scan_vma (optarg, &end, 0);
665 if (*end)
666 einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
667 }
668 break;
48229727
JB
669
670 case OPTION_FIX_CORTEX_A8:
671 fix_cortex_a8 = 1;
672 break;
673
674 case OPTION_NO_FIX_CORTEX_A8:
675 fix_cortex_a8 = 0;
676 break;
85fdf906
AH
677
678 case OPTION_NO_MERGE_EXIDX_ENTRIES:
679 merge_exidx_entries = 0;
2de70689 680 break;
85fdf906 681
2de70689
MGD
682 case OPTION_FIX_ARM1176:
683 fix_arm1176 = 1;
684 break;
685
686 case OPTION_NO_FIX_ARM1176:
687 fix_arm1176 = 0;
688 break;
1db37fe6
YG
689
690 case OPTION_LONG_PLT:
691 bfd_elf32_arm_use_long_plt ();
692 break;
41392f03 693'
252b5132 694
3e6b1042 695# We have our own before_allocation etc. functions, but they call
41392f03 696# the standard routines, so give them a different name.
41392f03 697LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation
eaeb0a9d 698LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
3674e28a 699LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
252b5132 700
41392f03
AM
701# Replace the elf before_parse function with our own.
702LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
252b5132 703
41392f03 704# Call the extra arm-elf function
906e58ca 705LDEMUL_FINISH=gld${EMULATION_NAME}_finish
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