Commit | Line | Data |
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252b5132 | 1 | # This shell script emits a C file. -*- C -*- |
aef6203b | 2 | # Copyright 1991, 1993, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, |
f13a99db | 3 | # 2004, 2005, 2007, 2008 |
41392f03 AM |
4 | # Free Software Foundation, Inc. |
5 | # | |
f96b4a7b | 6 | # This file is part of the GNU Binutils. |
41392f03 AM |
7 | # |
8 | # This program is free software; you can redistribute it and/or modify | |
9 | # it under the terms of the GNU General Public License as published by | |
f96b4a7b | 10 | # the Free Software Foundation; either version 3 of the License, or |
41392f03 AM |
11 | # (at your option) any later version. |
12 | # | |
13 | # This program is distributed in the hope that it will be useful, | |
14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | # GNU General Public License for more details. | |
17 | # | |
18 | # You should have received a copy of the GNU General Public License | |
19 | # along with this program; if not, write to the Free Software | |
f96b4a7b NC |
20 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | # MA 02110-1301, USA. | |
41392f03 AM |
22 | # |
23 | ||
24 | # This file is sourced from elf32.em, and defines extra arm-elf | |
25 | # specific routines. | |
26 | # | |
a82644e2 | 27 | test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel" |
92b93329 | 28 | fragment <<EOF |
7ca69e9e | 29 | |
906e58ca | 30 | #include "ldctor.h" |
1d022697 PB |
31 | #include "elf/arm.h" |
32 | ||
88f7bcd5 NC |
33 | static char *thumb_entry_symbol = NULL; |
34 | static bfd *bfd_for_interwork; | |
e489d0ae | 35 | static int byteswap_code = 0; |
9c504268 | 36 | static int target1_is_rel = 0${TARGET1_IS_REL}; |
3674e28a | 37 | static char *target2_type = "${TARGET2_TYPE}"; |
319850b4 | 38 | static int fix_v4bx = 0; |
33bfe774 | 39 | static int use_blx = 0; |
c6dd86c6 | 40 | static bfd_arm_vfp11_fix vfp11_denorm_fix = BFD_ARM_VFP11_FIX_DEFAULT; |
bf21ed78 | 41 | static int no_enum_size_warning = 0; |
a9dc9481 | 42 | static int no_wchar_size_warning = 0; |
27e55c4d | 43 | static int pic_veneer = 0; |
7ca69e9e | 44 | |
252b5132 | 45 | static void |
0c7a8e5a | 46 | gld${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_ */ |
b34976b6 AM |
51 | config.dynamic_link = ${DYNAMIC_LINK-TRUE}; |
52 | config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`; | |
252b5132 RH |
53 | } |
54 | ||
1220a729 | 55 | static void |
0c7a8e5a | 56 | arm_elf_after_open (void) |
1220a729 | 57 | { |
f11523b0 NC |
58 | { |
59 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
60 | { | |
8afb0e02 | 61 | bfd_elf32_arm_add_glue_sections_to_bfd (is->the_bfd, & link_info); |
f11523b0 NC |
62 | } |
63 | } | |
64 | ||
41392f03 AM |
65 | /* Call the standard elf routine. */ |
66 | gld${EMULATION_NAME}_after_open (); | |
1220a729 NC |
67 | } |
68 | ||
8afb0e02 | 69 | static void |
0c7a8e5a | 70 | arm_elf_set_bfd_for_interworking (lang_statement_union_type *statement) |
8afb0e02 | 71 | { |
7b986e99 | 72 | if (statement->header.type == lang_input_section_enum) |
8afb0e02 | 73 | { |
88f7bcd5 | 74 | asection *i = statement->input_section.section; |
8afb0e02 | 75 | |
7b986e99 AM |
76 | if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag |
77 | && (i->flags & SEC_EXCLUDE) == 0) | |
8afb0e02 | 78 | { |
7b986e99 AM |
79 | asection *output_section = i->output_section; |
80 | ||
f13a99db | 81 | ASSERT (output_section->owner == link_info.output_bfd); |
7b986e99 AM |
82 | |
83 | /* Don't attach the interworking stubs to a dynamic object, to | |
84 | an empty section, etc. */ | |
85 | if ((output_section->flags & SEC_HAS_CONTENTS) != 0 | |
86 | && (i->flags & SEC_NEVER_LOAD) == 0 | |
8716772c NC |
87 | && ! (i->owner->flags & DYNAMIC)) |
88 | bfd_for_interwork = i->owner; | |
8afb0e02 NC |
89 | } |
90 | } | |
91 | } | |
1220a729 | 92 | |
1220a729 | 93 | static void |
0c7a8e5a | 94 | arm_elf_before_allocation (void) |
1220a729 | 95 | { |
2004afbc NC |
96 | if (link_info.input_bfds != NULL) |
97 | { | |
98 | /* The interworking bfd must be the last one in the link. */ | |
99 | bfd_for_interwork = NULL; | |
252b5132 | 100 | |
2004afbc | 101 | lang_for_each_statement (arm_elf_set_bfd_for_interworking); |
8afb0e02 | 102 | |
06aa7234 NC |
103 | /* If bfd_for_interwork is NULL, then there are no loadable sections |
104 | with real contents to be linked, so we are not going to have to | |
105 | create any interworking stubs, so it is OK not to call | |
106 | bfd_elf32_arm_get_bfd_for_interworking. */ | |
107 | if (bfd_for_interwork != NULL) | |
108 | bfd_elf32_arm_get_bfd_for_interworking (bfd_for_interwork, &link_info); | |
2004afbc | 109 | } |
8afb0e02 | 110 | |
d504ffc8 DJ |
111 | bfd_elf32_arm_set_byteswap_code (&link_info, byteswap_code); |
112 | ||
c6dd86c6 JB |
113 | /* Choose type of VFP11 erratum fix, or warn if specified fix is unnecessary |
114 | due to architecture version. */ | |
f13a99db | 115 | bfd_elf32_arm_set_vfp11_fix (link_info.output_bfd, &link_info); |
c6dd86c6 | 116 | |
d504ffc8 DJ |
117 | /* We should be able to set the size of the interworking stub section. We |
118 | can't do it until later if we have dynamic sections, though. */ | |
119 | if (! elf_hash_table (&link_info)->dynamic_sections_created) | |
120 | { | |
121 | /* Here we rummage through the found bfds to collect glue information. */ | |
122 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
123 | { | |
c6dd86c6 JB |
124 | /* Initialise mapping tables for code/data. */ |
125 | bfd_elf32_arm_init_maps (is->the_bfd); | |
126 | ||
d504ffc8 | 127 | if (!bfd_elf32_arm_process_before_allocation (is->the_bfd, |
c6dd86c6 JB |
128 | &link_info) |
129 | || !bfd_elf32_arm_vfp11_erratum_scan (is->the_bfd, &link_info)) | |
252b5132 RH |
130 | /* xgettext:c-format */ |
131 | einfo (_("Errors encountered processing file %s"), is->filename); | |
d504ffc8 DJ |
132 | } |
133 | } | |
252b5132 | 134 | |
063d4ee1 AM |
135 | /* Call the standard elf routine. */ |
136 | gld${EMULATION_NAME}_before_allocation (); | |
137 | ||
8afb0e02 | 138 | /* We have seen it all. Allocate it, and carry on. */ |
252b5132 RH |
139 | bfd_elf32_arm_allocate_interworking_sections (& link_info); |
140 | } | |
141 | ||
c6dd86c6 JB |
142 | static void |
143 | arm_elf_after_allocation (void) | |
144 | { | |
145 | /* Call the standard elf routine. */ | |
146 | after_allocation_default (); | |
147 | ||
148 | { | |
149 | LANG_FOR_EACH_INPUT_STATEMENT (is) | |
150 | { | |
151 | /* Figure out where VFP11 erratum veneers (and the labels returning | |
152 | from same) have been placed. */ | |
153 | bfd_elf32_arm_vfp11_fix_veneer_locations (is->the_bfd, &link_info); | |
154 | } | |
155 | } | |
156 | } | |
157 | ||
906e58ca NC |
158 | /* Fake input file for stubs. */ |
159 | static lang_input_statement_type *stub_file; | |
160 | ||
161 | /* Whether we need to call gldarm_layout_sections_again. */ | |
162 | static int need_laying_out = 0; | |
163 | ||
164 | /* Maximum size of a group of input sections that can be handled by | |
165 | one stub section. A value of +/-1 indicates the bfd back-end | |
166 | should use a suitable default size. */ | |
167 | static bfd_signed_vma group_size = 1; | |
168 | ||
169 | struct hook_stub_info | |
170 | { | |
171 | lang_statement_list_type add; | |
172 | asection *input_section; | |
173 | }; | |
174 | ||
175 | /* Traverse the linker tree to find the spot where the stub goes. */ | |
176 | ||
177 | static bfd_boolean | |
178 | hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp) | |
179 | { | |
180 | lang_statement_union_type *l; | |
181 | bfd_boolean ret; | |
182 | ||
183 | for (; (l = *lp) != NULL; lp = &l->header.next) | |
184 | { | |
185 | switch (l->header.type) | |
186 | { | |
187 | case lang_constructors_statement_enum: | |
188 | ret = hook_in_stub (info, &constructor_list.head); | |
189 | if (ret) | |
190 | return ret; | |
191 | break; | |
192 | ||
193 | case lang_output_section_statement_enum: | |
194 | ret = hook_in_stub (info, | |
195 | &l->output_section_statement.children.head); | |
196 | if (ret) | |
197 | return ret; | |
198 | break; | |
199 | ||
200 | case lang_wild_statement_enum: | |
201 | ret = hook_in_stub (info, &l->wild_statement.children.head); | |
202 | if (ret) | |
203 | return ret; | |
204 | break; | |
205 | ||
206 | case lang_group_statement_enum: | |
207 | ret = hook_in_stub (info, &l->group_statement.children.head); | |
208 | if (ret) | |
209 | return ret; | |
210 | break; | |
211 | ||
212 | case lang_input_section_enum: | |
213 | if (l->input_section.section == info->input_section) | |
214 | { | |
215 | /* We've found our section. Insert the stub immediately | |
216 | before its associated input section. */ | |
217 | *lp = info->add.head; | |
218 | *(info->add.tail) = l; | |
219 | return TRUE; | |
220 | } | |
221 | break; | |
222 | ||
223 | case lang_data_statement_enum: | |
224 | case lang_reloc_statement_enum: | |
225 | case lang_object_symbols_statement_enum: | |
226 | case lang_output_statement_enum: | |
227 | case lang_target_statement_enum: | |
228 | case lang_input_statement_enum: | |
229 | case lang_assignment_statement_enum: | |
230 | case lang_padding_statement_enum: | |
231 | case lang_address_statement_enum: | |
232 | case lang_fill_statement_enum: | |
233 | break; | |
234 | ||
235 | default: | |
236 | FAIL (); | |
237 | break; | |
238 | } | |
239 | } | |
240 | return FALSE; | |
241 | } | |
242 | ||
243 | ||
244 | /* Call-back for elf32_arm_size_stubs. */ | |
245 | ||
246 | /* Create a new stub section, and arrange for it to be linked | |
247 | immediately before INPUT_SECTION. */ | |
248 | ||
249 | static asection * | |
250 | elf32_arm_add_stub_section (const char *stub_sec_name, | |
251 | asection *input_section) | |
252 | { | |
253 | asection *stub_sec; | |
254 | flagword flags; | |
255 | asection *output_section; | |
256 | const char *secname; | |
257 | lang_output_section_statement_type *os; | |
258 | struct hook_stub_info info; | |
259 | ||
906e58ca NC |
260 | flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE |
261 | | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP); | |
9795b468 AM |
262 | stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd, |
263 | stub_sec_name, flags); | |
264 | if (stub_sec == NULL) | |
906e58ca NC |
265 | goto err_ret; |
266 | ||
267 | bfd_set_section_alignment (stub_file->the_bfd, stub_sec, 3); | |
268 | ||
269 | output_section = input_section->output_section; | |
270 | secname = bfd_get_section_name (output_section->owner, output_section); | |
271 | os = lang_output_section_find (secname); | |
272 | ||
273 | info.input_section = input_section; | |
274 | lang_list_init (&info.add); | |
275 | lang_add_section (&info.add, stub_sec, os); | |
276 | ||
277 | if (info.add.head == NULL) | |
278 | goto err_ret; | |
279 | ||
280 | if (hook_in_stub (&info, &os->children.head)) | |
281 | return stub_sec; | |
282 | ||
283 | err_ret: | |
284 | einfo ("%X%P: can not make stub section: %E\n"); | |
285 | return NULL; | |
286 | } | |
287 | ||
288 | /* Another call-back for elf_arm_size_stubs. */ | |
289 | ||
6f798e5c | 290 | static void |
906e58ca NC |
291 | gldarm_layout_sections_again (void) |
292 | { | |
293 | /* If we have changed sizes of the stub sections, then we need | |
294 | to recalculate all the section offsets. This may mean we need to | |
295 | add even more stubs. */ | |
296 | gld${EMULATION_NAME}_map_segments (TRUE); | |
297 | need_laying_out = -1; | |
298 | } | |
299 | ||
300 | static void | |
301 | build_section_lists (lang_statement_union_type *statement) | |
302 | { | |
303 | if (statement->header.type == lang_input_section_enum) | |
304 | { | |
305 | asection *i = statement->input_section.section; | |
306 | ||
307 | if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag | |
308 | && (i->flags & SEC_EXCLUDE) == 0 | |
309 | && i->output_section != NULL | |
310 | && i->output_section->owner == link_info.output_bfd) | |
311 | elf32_arm_next_input_section (& link_info, i); | |
312 | } | |
313 | } | |
314 | ||
315 | static void | |
316 | gld${EMULATION_NAME}_finish (void) | |
6f798e5c NC |
317 | { |
318 | struct bfd_link_hash_entry * h; | |
319 | ||
906e58ca NC |
320 | /* bfd_elf32_discard_info just plays with debugging sections, |
321 | ie. doesn't affect any code, so we can delay resizing the | |
322 | sections. It's likely we'll resize everything in the process of | |
323 | adding stubs. */ | |
324 | if (bfd_elf_discard_info (link_info.output_bfd, & link_info)) | |
325 | need_laying_out = 1; | |
326 | ||
327 | /* If generating a relocatable output file, then we don't | |
328 | have to examine the relocs. */ | |
329 | if (stub_file != NULL && !link_info.relocatable) | |
330 | { | |
331 | int ret = elf32_arm_setup_section_lists (link_info.output_bfd, & link_info); | |
332 | ||
333 | if (ret != 0) | |
334 | { | |
335 | if (ret < 0) | |
336 | { | |
1a51c1a4 | 337 | einfo ("%X%P: could not compute sections lists for stub generation: %E\n"); |
906e58ca NC |
338 | return; |
339 | } | |
340 | ||
341 | lang_for_each_statement (build_section_lists); | |
342 | ||
343 | /* Call into the BFD backend to do the real work. */ | |
344 | if (! elf32_arm_size_stubs (link_info.output_bfd, | |
345 | stub_file->the_bfd, | |
346 | & link_info, | |
347 | group_size, | |
348 | & elf32_arm_add_stub_section, | |
349 | & gldarm_layout_sections_again)) | |
350 | { | |
1a51c1a4 | 351 | einfo ("%X%P: cannot size stub section: %E\n"); |
906e58ca NC |
352 | return; |
353 | } | |
354 | } | |
355 | } | |
356 | ||
357 | if (need_laying_out != -1) | |
358 | gld${EMULATION_NAME}_map_segments (need_laying_out); | |
359 | ||
360 | if (! link_info.relocatable) | |
361 | { | |
362 | /* Now build the linker stubs. */ | |
363 | if (stub_file->the_bfd->sections != NULL) | |
364 | { | |
365 | if (! elf32_arm_build_stubs (& link_info)) | |
366 | einfo ("%X%P: can not build stubs: %E\n"); | |
367 | } | |
368 | } | |
369 | ||
370 | finish_default (); | |
c56feb2b | 371 | |
1d022697 PB |
372 | if (thumb_entry_symbol) |
373 | { | |
374 | h = bfd_link_hash_lookup (link_info.hash, thumb_entry_symbol, | |
375 | FALSE, FALSE, TRUE); | |
376 | } | |
377 | else | |
378 | { | |
379 | struct elf_link_hash_entry * eh; | |
380 | ||
381 | if (!entry_symbol.name) | |
382 | return; | |
383 | ||
384 | h = bfd_link_hash_lookup (link_info.hash, entry_symbol.name, | |
385 | FALSE, FALSE, TRUE); | |
386 | eh = (struct elf_link_hash_entry *)h; | |
387 | if (!h || ELF_ST_TYPE(eh->type) != STT_ARM_TFUNC) | |
388 | return; | |
389 | } | |
0c7a8e5a | 390 | |
6f798e5c NC |
391 | |
392 | if (h != (struct bfd_link_hash_entry *) NULL | |
393 | && (h->type == bfd_link_hash_defined | |
394 | || h->type == bfd_link_hash_defweak) | |
395 | && h->u.def.section->output_section != NULL) | |
396 | { | |
397 | static char buffer[32]; | |
88f7bcd5 | 398 | bfd_vma val; |
0c7a8e5a | 399 | |
88f7bcd5 NC |
400 | /* Special procesing is required for a Thumb entry symbol. The |
401 | bottom bit of its address must be set. */ | |
402 | val = (h->u.def.value | |
f13a99db | 403 | + bfd_get_section_vma (link_info.output_bfd, |
88f7bcd5 NC |
404 | h->u.def.section->output_section) |
405 | + h->u.def.section->output_offset); | |
0c7a8e5a | 406 | |
88f7bcd5 | 407 | val |= 1; |
6f798e5c | 408 | |
88f7bcd5 | 409 | /* Now convert this value into a string and store it in entry_symbol |
0c7a8e5a | 410 | where the lang_finish() function will pick it up. */ |
88f7bcd5 NC |
411 | buffer[0] = '0'; |
412 | buffer[1] = 'x'; | |
0c7a8e5a | 413 | |
88f7bcd5 | 414 | sprintf_vma (buffer + 2, val); |
6f798e5c | 415 | |
1d022697 PB |
416 | if (thumb_entry_symbol != NULL && entry_symbol.name != NULL |
417 | && entry_from_cmdline) | |
88f7bcd5 NC |
418 | einfo (_("%P: warning: '--thumb-entry %s' is overriding '-e %s'\n"), |
419 | thumb_entry_symbol, entry_symbol.name); | |
420 | entry_symbol.name = buffer; | |
6f798e5c | 421 | } |
88f7bcd5 | 422 | else |
6241fe3d | 423 | einfo (_("%P: warning: cannot find thumb start symbol %s\n"), |
88f7bcd5 | 424 | thumb_entry_symbol); |
6f798e5c NC |
425 | } |
426 | ||
bf21ed78 | 427 | /* This is a convenient point to tell BFD about target specific flags. |
3674e28a PB |
428 | After the output has been created, but before inputs are read. */ |
429 | static void | |
430 | arm_elf_create_output_section_statements (void) | |
431 | { | |
b8976b05 NC |
432 | if (strstr (bfd_get_target (link_info.output_bfd), "arm") == NULL) |
433 | { | |
434 | /* The arm backend needs special fields in the output hash structure. | |
435 | These will only be created if the output format is an arm format, | |
436 | hence we do not support linking and changing output formats at the | |
437 | same time. Use a link followed by objcopy to change output formats. */ | |
438 | einfo ("%F%X%P: error: Cannot change output format whilst linking ARM binaries.\n"); | |
439 | return; | |
440 | } | |
441 | ||
f13a99db AM |
442 | bfd_elf32_arm_set_target_relocs (link_info.output_bfd, &link_info, |
443 | target1_is_rel, | |
bf21ed78 | 444 | target2_type, fix_v4bx, use_blx, |
27e55c4d | 445 | vfp11_denorm_fix, no_enum_size_warning, |
a9dc9481 | 446 | no_wchar_size_warning, |
27e55c4d | 447 | pic_veneer); |
906e58ca NC |
448 | |
449 | stub_file = lang_add_input_file ("linker stubs", | |
450 | lang_input_file_is_fake_enum, | |
451 | NULL); | |
452 | stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd); | |
453 | if (stub_file->the_bfd == NULL | |
454 | || ! bfd_set_arch_mach (stub_file->the_bfd, | |
455 | bfd_get_arch (link_info.output_bfd), | |
456 | bfd_get_mach (link_info.output_bfd))) | |
457 | { | |
458 | einfo ("%X%P: can not create BFD %E\n"); | |
459 | return; | |
460 | } | |
461 | ||
462 | stub_file->the_bfd->flags |= BFD_LINKER_CREATED; | |
463 | ldlang_add_file (stub_file); | |
464 | } | |
465 | ||
466 | /* Avoid processing the fake stub_file in vercheck, stat_needed and | |
467 | check_needed routines. */ | |
468 | ||
469 | static void (*real_func) (lang_input_statement_type *); | |
470 | ||
471 | static void arm_for_each_input_file_wrapper (lang_input_statement_type *l) | |
472 | { | |
473 | if (l != stub_file) | |
474 | (*real_func) (l); | |
3674e28a PB |
475 | } |
476 | ||
906e58ca NC |
477 | static void |
478 | arm_lang_for_each_input_file (void (*func) (lang_input_statement_type *)) | |
479 | { | |
480 | real_func = func; | |
481 | lang_for_each_input_file (&arm_for_each_input_file_wrapper); | |
482 | } | |
483 | ||
484 | #define lang_for_each_input_file arm_lang_for_each_input_file | |
485 | ||
252b5132 RH |
486 | EOF |
487 | ||
41392f03 AM |
488 | # Define some shell vars to insert bits of code into the standard elf |
489 | # parse_args and list_options functions. | |
490 | # | |
491 | PARSE_AND_LIST_PROLOGUE=' | |
492 | #define OPTION_THUMB_ENTRY 301 | |
e489d0ae | 493 | #define OPTION_BE8 302 |
9c504268 PB |
494 | #define OPTION_TARGET1_REL 303 |
495 | #define OPTION_TARGET1_ABS 304 | |
3674e28a | 496 | #define OPTION_TARGET2 305 |
33bfe774 JB |
497 | #define OPTION_FIX_V4BX 306 |
498 | #define OPTION_USE_BLX 307 | |
c6dd86c6 | 499 | #define OPTION_VFP11_DENORM_FIX 308 |
bf21ed78 | 500 | #define OPTION_NO_ENUM_SIZE_WARNING 309 |
27e55c4d | 501 | #define OPTION_PIC_VENEER 310 |
845b51d6 | 502 | #define OPTION_FIX_V4BX_INTERWORKING 311 |
906e58ca | 503 | #define OPTION_STUBGROUP_SIZE 312 |
a9dc9481 | 504 | #define OPTION_NO_WCHAR_SIZE_WARNING 313 |
41392f03 | 505 | ' |
252b5132 | 506 | |
ef5bdbd1 | 507 | PARSE_AND_LIST_SHORTOPTS=p |
252b5132 | 508 | |
41392f03 AM |
509 | PARSE_AND_LIST_LONGOPTS=' |
510 | { "no-pipeline-knowledge", no_argument, NULL, '\'p\''}, | |
511 | { "thumb-entry", required_argument, NULL, OPTION_THUMB_ENTRY}, | |
e489d0ae | 512 | { "be8", no_argument, NULL, OPTION_BE8}, |
9c504268 PB |
513 | { "target1-rel", no_argument, NULL, OPTION_TARGET1_REL}, |
514 | { "target1-abs", no_argument, NULL, OPTION_TARGET1_ABS}, | |
3674e28a | 515 | { "target2", required_argument, NULL, OPTION_TARGET2}, |
319850b4 | 516 | { "fix-v4bx", no_argument, NULL, OPTION_FIX_V4BX}, |
845b51d6 | 517 | { "fix-v4bx-interworking", no_argument, NULL, OPTION_FIX_V4BX_INTERWORKING}, |
33bfe774 | 518 | { "use-blx", no_argument, NULL, OPTION_USE_BLX}, |
c6dd86c6 | 519 | { "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX}, |
bf21ed78 | 520 | { "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING}, |
27e55c4d | 521 | { "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER}, |
906e58ca | 522 | { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE }, |
a9dc9481 | 523 | { "no-wchar-size-warning", no_argument, NULL, OPTION_NO_WCHAR_SIZE_WARNING}, |
41392f03 | 524 | ' |
252b5132 | 525 | |
41392f03 | 526 | PARSE_AND_LIST_OPTIONS=' |
442996ee | 527 | fprintf (file, _(" --thumb-entry=<sym> Set the entry point to be Thumb symbol <sym>\n")); |
4a977a31 | 528 | fprintf (file, _(" --be8 Output BE8 format image\n")); |
442996ee AM |
529 | fprintf (file, _(" --target1=rel Interpret R_ARM_TARGET1 as R_ARM_REL32\n")); |
530 | fprintf (file, _(" --target1=abs Interpret R_ARM_TARGET1 as R_ARM_ABS32\n")); | |
531 | fprintf (file, _(" --target2=<type> Specify definition of R_ARM_TARGET2\n")); | |
532 | fprintf (file, _(" --fix-v4bx Rewrite BX rn as MOV pc, rn for ARMv4\n")); | |
845b51d6 | 533 | fprintf (file, _(" --fix-v4bx-interworking Rewrite BX rn branch to ARMv4 interworking veneer\n")); |
442996ee AM |
534 | fprintf (file, _(" --use-blx Enable use of BLX instructions\n")); |
535 | fprintf (file, _(" --vfp11-denorm-fix Specify how to fix VFP11 denorm erratum\n")); | |
536 | fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible" | |
537 | " enum sizes\n")); | |
a9dc9481 JM |
538 | fprintf (file, _(" --no-wchar-size-warning Don'\''t warn about objects with incompatible" |
539 | " wchar_t sizes\n")); | |
442996ee | 540 | fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n")); |
906e58ca NC |
541 | fprintf (file, _("\ |
542 | --stub-group-size=N Maximum size of a group of input sections that can be\n\ | |
543 | handled by one stub section. A negative value\n\ | |
544 | locates all stubs before their branches (with a\n\ | |
545 | group size of -N), while a positive value allows\n\ | |
546 | two groups of input sections, one before, and one\n\ | |
547 | after each stub section. Values of +/-1 indicate\n\ | |
548 | the linker should choose suitable defaults.\n" | |
549 | )); | |
41392f03 | 550 | ' |
252b5132 | 551 | |
41392f03 AM |
552 | PARSE_AND_LIST_ARGS_CASES=' |
553 | case '\'p\'': | |
dea514f5 | 554 | /* Only here for backwards compatibility. */ |
41392f03 | 555 | break; |
252b5132 | 556 | |
41392f03 AM |
557 | case OPTION_THUMB_ENTRY: |
558 | thumb_entry_symbol = optarg; | |
559 | break; | |
e489d0ae PB |
560 | |
561 | case OPTION_BE8: | |
562 | byteswap_code = 1; | |
563 | break; | |
9c504268 PB |
564 | |
565 | case OPTION_TARGET1_REL: | |
566 | target1_is_rel = 1; | |
567 | break; | |
568 | ||
569 | case OPTION_TARGET1_ABS: | |
570 | target1_is_rel = 0; | |
571 | break; | |
3674e28a PB |
572 | |
573 | case OPTION_TARGET2: | |
574 | target2_type = optarg; | |
575 | break; | |
319850b4 JB |
576 | |
577 | case OPTION_FIX_V4BX: | |
578 | fix_v4bx = 1; | |
579 | break; | |
33bfe774 | 580 | |
845b51d6 PB |
581 | case OPTION_FIX_V4BX_INTERWORKING: |
582 | fix_v4bx = 2; | |
583 | break; | |
584 | ||
33bfe774 JB |
585 | case OPTION_USE_BLX: |
586 | use_blx = 1; | |
587 | break; | |
92b93329 | 588 | |
c6dd86c6 JB |
589 | case OPTION_VFP11_DENORM_FIX: |
590 | if (strcmp (optarg, "none") == 0) | |
591 | vfp11_denorm_fix = BFD_ARM_VFP11_FIX_NONE; | |
592 | else if (strcmp (optarg, "scalar") == 0) | |
593 | vfp11_denorm_fix = BFD_ARM_VFP11_FIX_SCALAR; | |
594 | else if (strcmp (optarg, "vector") == 0) | |
595 | vfp11_denorm_fix = BFD_ARM_VFP11_FIX_VECTOR; | |
596 | else | |
597 | einfo (_("Unrecognized VFP11 fix type '\''%s'\''.\n"), optarg); | |
598 | break; | |
bf21ed78 MS |
599 | |
600 | case OPTION_NO_ENUM_SIZE_WARNING: | |
601 | no_enum_size_warning = 1; | |
602 | break; | |
27e55c4d | 603 | |
a9dc9481 JM |
604 | case OPTION_NO_WCHAR_SIZE_WARNING: |
605 | no_wchar_size_warning = 1; | |
606 | break; | |
607 | ||
27e55c4d PB |
608 | case OPTION_PIC_VENEER: |
609 | pic_veneer = 1; | |
610 | break; | |
906e58ca NC |
611 | |
612 | case OPTION_STUBGROUP_SIZE: | |
613 | { | |
614 | const char *end; | |
615 | ||
616 | group_size = bfd_scan_vma (optarg, &end, 0); | |
617 | if (*end) | |
618 | einfo (_("%P%F: invalid number `%s'\''\n"), optarg); | |
619 | } | |
620 | break; | |
41392f03 | 621 | ' |
252b5132 | 622 | |
41392f03 AM |
623 | # We have our own after_open and before_allocation functions, but they call |
624 | # the standard routines, so give them a different name. | |
625 | LDEMUL_AFTER_OPEN=arm_elf_after_open | |
626 | LDEMUL_BEFORE_ALLOCATION=arm_elf_before_allocation | |
c6dd86c6 | 627 | LDEMUL_AFTER_ALLOCATION=arm_elf_after_allocation |
3674e28a | 628 | LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements |
252b5132 | 629 | |
41392f03 AM |
630 | # Replace the elf before_parse function with our own. |
631 | LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse | |
252b5132 | 632 | |
41392f03 | 633 | # Call the extra arm-elf function |
906e58ca | 634 | LDEMUL_FINISH=gld${EMULATION_NAME}_finish |