Commit | Line | Data |
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1f808cd5 | 1 | # This shell script emits a C file. -*- C -*- |
74f0fb50 AM |
2 | # Copyright 2002, 2003, 2004, 2005, 2007, 2008 |
3 | # Free Software Foundation, Inc. | |
1f808cd5 | 4 | # |
f96b4a7b | 5 | # This file is part of the GNU Binutils. |
1f808cd5 AM |
6 | # |
7 | # This program is free software; you can redistribute it and/or modify | |
8 | # it under the terms of the GNU General Public License as published by | |
f96b4a7b | 9 | # the Free Software Foundation; either version 3 of the License, or |
1f808cd5 AM |
10 | # (at your option) any later version. |
11 | # | |
12 | # This program is distributed in the hope that it will be useful, | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | # GNU General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU General Public License | |
18 | # along with this program; if not, write to the Free Software | |
f96b4a7b NC |
19 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | # MA 02110-1301, USA. | |
1f808cd5 AM |
21 | # |
22 | ||
23 | # This file is sourced from elf32.em, and defines extra powerpc64-elf | |
24 | # specific routines. | |
25 | # | |
92b93329 | 26 | fragment <<EOF |
1f808cd5 | 27 | |
9c1d81c1 | 28 | #include "ldctor.h" |
805fc799 | 29 | #include "libbfd.h" |
83490352 | 30 | #include "elf-bfd.h" |
1f808cd5 AM |
31 | #include "elf64-ppc.h" |
32 | ||
9c1d81c1 AM |
33 | /* Fake input file for stubs. */ |
34 | static lang_input_statement_type *stub_file; | |
68f8ff14 | 35 | static int stub_added = 0; |
9c1d81c1 | 36 | |
deb04cdb AM |
37 | /* Whether we need to call ppc_layout_sections_again. */ |
38 | static int need_laying_out = 0; | |
39 | ||
9c1d81c1 AM |
40 | /* Maximum size of a group of input sections that can be handled by |
41 | one stub section. A value of +/-1 indicates the bfd back-end | |
42 | should use a suitable default size. */ | |
43 | static bfd_signed_vma group_size = 1; | |
44 | ||
fac1652d AM |
45 | /* Whether to add ".foo" entries for each "foo" in a version script. */ |
46 | static int dotsyms = 1; | |
47 | ||
e5096e3f | 48 | /* Whether to run tls optimization. */ |
c5614fa4 AM |
49 | static int no_tls_opt = 0; |
50 | ||
51 | /* Whether to run opd optimization. */ | |
52 | static int no_opd_opt = 0; | |
53 | ||
54 | /* Whether to run toc optimization. */ | |
55 | static int no_toc_opt = 0; | |
e5096e3f | 56 | |
4c52953f AM |
57 | /* Whether to allow multiple toc sections. */ |
58 | static int no_multi_toc = 0; | |
59 | ||
0b9a4d73 AM |
60 | /* Whether to emit symbols for stubs. */ |
61 | static int emit_stub_syms = 0; | |
62 | ||
63 | static asection *toc_section = 0; | |
64 | ||
3f764659 JJ |
65 | /* Whether to canonicalize .opd so that there are no overlapping |
66 | .opd entries. */ | |
67 | static int non_overlapping_opd = 0; | |
9c1d81c1 AM |
68 | |
69 | /* This is called before the input files are opened. We create a new | |
70 | fake input file to hold the stub sections. */ | |
71 | ||
72 | static void | |
7d8a3a28 | 73 | ppc_create_output_section_statements (void) |
9c1d81c1 | 74 | { |
a015f5ec AM |
75 | extern const bfd_target bfd_elf64_powerpc_vec; |
76 | extern const bfd_target bfd_elf64_powerpcle_vec; | |
77 | ||
78 | if (link_info.hash->creator != &bfd_elf64_powerpc_vec | |
79 | && link_info.hash->creator != &bfd_elf64_powerpcle_vec) | |
80 | return; | |
81 | ||
b9cf773d AM |
82 | link_info.wrap_char = '.'; |
83 | ||
9c1d81c1 AM |
84 | stub_file = lang_add_input_file ("linker stubs", |
85 | lang_input_file_is_fake_enum, | |
86 | NULL); | |
87 | stub_file->the_bfd = bfd_create ("linker stubs", output_bfd); | |
88 | if (stub_file->the_bfd == NULL | |
89 | || !bfd_set_arch_mach (stub_file->the_bfd, | |
90 | bfd_get_arch (output_bfd), | |
91 | bfd_get_mach (output_bfd))) | |
92 | { | |
92b7a70f | 93 | einfo ("%F%P: can not create BFD %E\n"); |
9c1d81c1 AM |
94 | return; |
95 | } | |
96 | ||
d457dcf6 | 97 | stub_file->the_bfd->flags |= BFD_LINKER_CREATED; |
9c1d81c1 | 98 | ldlang_add_file (stub_file); |
68f8ff14 | 99 | ppc64_elf_init_stub_bfd (stub_file->the_bfd, &link_info); |
9c1d81c1 AM |
100 | } |
101 | ||
836c6af1 | 102 | static void |
7d8a3a28 | 103 | ppc_before_allocation (void) |
836c6af1 | 104 | { |
a015f5ec | 105 | if (stub_file != NULL) |
e0468e59 | 106 | { |
74f0fb50 AM |
107 | if (!no_opd_opt |
108 | && !ppc64_elf_edit_opd (output_bfd, &link_info, non_overlapping_opd)) | |
92b7a70f | 109 | einfo ("%X%P: can not edit %s %E\n", "opd"); |
e5096e3f | 110 | |
c5614fa4 | 111 | if (ppc64_elf_tls_setup (output_bfd, &link_info) && !no_tls_opt) |
a015f5ec AM |
112 | { |
113 | /* Size the sections. This is premature, but we want to know the | |
114 | TLS segment layout so that certain optimizations can be done. */ | |
e9ee469a AM |
115 | expld.phase = lang_mark_phase_enum; |
116 | expld.dataseg.phase = exp_dataseg_none; | |
117 | one_lang_size_sections_pass (NULL, TRUE); | |
a015f5ec AM |
118 | |
119 | if (!ppc64_elf_tls_optimize (output_bfd, &link_info)) | |
92b7a70f | 120 | einfo ("%X%P: TLS problem %E\n"); |
a015f5ec | 121 | |
83490352 | 122 | /* We must not cache anything from the preliminary sizing. */ |
a015f5ec AM |
123 | lang_reset_memory_regions (); |
124 | } | |
c5614fa4 AM |
125 | |
126 | if (!no_toc_opt | |
127 | && !link_info.relocatable | |
128 | && !ppc64_elf_edit_toc (output_bfd, &link_info)) | |
92b7a70f | 129 | einfo ("%X%P: can not edit %s %E\n", "toc"); |
e0468e59 AM |
130 | } |
131 | ||
836c6af1 AM |
132 | gld${EMULATION_NAME}_before_allocation (); |
133 | } | |
134 | ||
9c1d81c1 AM |
135 | struct hook_stub_info |
136 | { | |
137 | lang_statement_list_type add; | |
138 | asection *input_section; | |
139 | }; | |
140 | ||
141 | /* Traverse the linker tree to find the spot where the stub goes. */ | |
142 | ||
b34976b6 | 143 | static bfd_boolean |
7d8a3a28 | 144 | hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp) |
9c1d81c1 AM |
145 | { |
146 | lang_statement_union_type *l; | |
b34976b6 | 147 | bfd_boolean ret; |
9c1d81c1 AM |
148 | |
149 | for (; (l = *lp) != NULL; lp = &l->header.next) | |
150 | { | |
151 | switch (l->header.type) | |
152 | { | |
153 | case lang_constructors_statement_enum: | |
154 | ret = hook_in_stub (info, &constructor_list.head); | |
155 | if (ret) | |
156 | return ret; | |
157 | break; | |
158 | ||
159 | case lang_output_section_statement_enum: | |
160 | ret = hook_in_stub (info, | |
161 | &l->output_section_statement.children.head); | |
162 | if (ret) | |
163 | return ret; | |
164 | break; | |
165 | ||
166 | case lang_wild_statement_enum: | |
167 | ret = hook_in_stub (info, &l->wild_statement.children.head); | |
168 | if (ret) | |
169 | return ret; | |
170 | break; | |
171 | ||
172 | case lang_group_statement_enum: | |
173 | ret = hook_in_stub (info, &l->group_statement.children.head); | |
174 | if (ret) | |
175 | return ret; | |
176 | break; | |
177 | ||
178 | case lang_input_section_enum: | |
179 | if (l->input_section.section == info->input_section) | |
180 | { | |
181 | /* We've found our section. Insert the stub immediately | |
182 | before its associated input section. */ | |
183 | *lp = info->add.head; | |
184 | *(info->add.tail) = l; | |
b34976b6 | 185 | return TRUE; |
9c1d81c1 AM |
186 | } |
187 | break; | |
188 | ||
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: | |
199 | break; | |
200 | ||
201 | default: | |
202 | FAIL (); | |
203 | break; | |
204 | } | |
205 | } | |
b34976b6 | 206 | return FALSE; |
9c1d81c1 AM |
207 | } |
208 | ||
209 | ||
210 | /* Call-back for ppc64_elf_size_stubs. */ | |
211 | ||
212 | /* Create a new stub section, and arrange for it to be linked | |
213 | immediately before INPUT_SECTION. */ | |
214 | ||
215 | static asection * | |
7d8a3a28 | 216 | ppc_add_stub_section (const char *stub_sec_name, asection *input_section) |
9c1d81c1 AM |
217 | { |
218 | asection *stub_sec; | |
219 | flagword flags; | |
220 | asection *output_section; | |
221 | const char *secname; | |
222 | lang_output_section_statement_type *os; | |
223 | struct hook_stub_info info; | |
224 | ||
225 | stub_sec = bfd_make_section_anyway (stub_file->the_bfd, stub_sec_name); | |
226 | if (stub_sec == NULL) | |
227 | goto err_ret; | |
228 | ||
229 | flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | |
e4e0193e | 230 | | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP); |
9c1d81c1 AM |
231 | if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags)) |
232 | goto err_ret; | |
233 | ||
234 | output_section = input_section->output_section; | |
235 | secname = bfd_get_section_name (output_section->owner, output_section); | |
236 | os = lang_output_section_find (secname); | |
237 | ||
238 | info.input_section = input_section; | |
239 | lang_list_init (&info.add); | |
7b986e99 | 240 | lang_add_section (&info.add, stub_sec, os); |
9c1d81c1 AM |
241 | |
242 | if (info.add.head == NULL) | |
243 | goto err_ret; | |
244 | ||
68f8ff14 | 245 | stub_added = 1; |
9c1d81c1 AM |
246 | if (hook_in_stub (&info, &os->children.head)) |
247 | return stub_sec; | |
248 | ||
249 | err_ret: | |
250 | einfo ("%X%P: can not make stub section: %E\n"); | |
251 | return NULL; | |
252 | } | |
253 | ||
254 | ||
255 | /* Another call-back for ppc64_elf_size_stubs. */ | |
256 | ||
257 | static void | |
7d8a3a28 | 258 | ppc_layout_sections_again (void) |
9c1d81c1 AM |
259 | { |
260 | /* If we have changed sizes of the stub sections, then we need | |
261 | to recalculate all the section offsets. This may mean we need to | |
262 | add even more stubs. */ | |
8ded5a0f AM |
263 | gld${EMULATION_NAME}_map_segments (TRUE); |
264 | need_laying_out = -1; | |
9c1d81c1 AM |
265 | } |
266 | ||
1f808cd5 AM |
267 | |
268 | /* Call the back-end function to set TOC base after we have placed all | |
269 | the sections. */ | |
270 | static void | |
7d8a3a28 | 271 | gld${EMULATION_NAME}_after_allocation (void) |
1f808cd5 | 272 | { |
1049f94e | 273 | if (!link_info.relocatable) |
805fc799 | 274 | _bfd_set_gp_value (output_bfd, ppc64_elf_toc (output_bfd)); |
1f808cd5 AM |
275 | } |
276 | ||
9c1d81c1 | 277 | |
0b9a4d73 | 278 | static void |
7d8a3a28 | 279 | build_toc_list (lang_statement_union_type *statement) |
0b9a4d73 | 280 | { |
7b986e99 AM |
281 | if (statement->header.type == lang_input_section_enum) |
282 | { | |
283 | asection *i = statement->input_section.section; | |
284 | ||
285 | if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag | |
286 | && (i->flags & SEC_EXCLUDE) == 0 | |
287 | && i->output_section == toc_section) | |
288 | ppc64_elf_next_toc_section (&link_info, i); | |
289 | } | |
0b9a4d73 AM |
290 | } |
291 | ||
292 | ||
9c1d81c1 | 293 | static void |
7d8a3a28 | 294 | build_section_lists (lang_statement_union_type *statement) |
9c1d81c1 | 295 | { |
7b986e99 | 296 | if (statement->header.type == lang_input_section_enum) |
9c1d81c1 | 297 | { |
7b986e99 AM |
298 | asection *i = statement->input_section.section; |
299 | ||
300 | if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag | |
301 | && (i->flags & SEC_EXCLUDE) == 0 | |
302 | && i->output_section != NULL | |
303 | && i->output_section->owner == output_bfd) | |
304 | { | |
305 | if (!ppc64_elf_next_input_section (&link_info, i)) | |
306 | einfo ("%X%P: can not size stub section: %E\n"); | |
307 | } | |
9c1d81c1 AM |
308 | } |
309 | } | |
310 | ||
fac1652d | 311 | |
9c1d81c1 | 312 | /* Final emulation specific call. */ |
1f808cd5 AM |
313 | |
314 | static void | |
8ded5a0f | 315 | gld${EMULATION_NAME}_finish (void) |
1f808cd5 | 316 | { |
1e281515 AM |
317 | /* e_entry on PowerPC64 points to the function descriptor for |
318 | _start. If _start is missing, default to the first function | |
319 | descriptor in the .opd section. */ | |
320 | entry_section = ".opd"; | |
321 | ||
deb04cdb AM |
322 | /* bfd_elf_discard_info just plays with debugging sections, |
323 | ie. doesn't affect any code, so we can delay resizing the | |
324 | sections. It's likely we'll resize everything in the process of | |
325 | adding stubs. */ | |
326 | if (bfd_elf_discard_info (output_bfd, &link_info)) | |
327 | need_laying_out = 1; | |
328 | ||
836c6af1 AM |
329 | /* If generating a relocatable output file, then we don't have any |
330 | stubs. */ | |
1049f94e | 331 | if (stub_file != NULL && !link_info.relocatable) |
1f808cd5 | 332 | { |
4c52953f AM |
333 | int ret = ppc64_elf_setup_section_lists (output_bfd, &link_info, |
334 | no_multi_toc); | |
92b7a70f AM |
335 | if (ret < 0) |
336 | einfo ("%X%P: can not size stub section: %E\n"); | |
337 | else if (ret > 0) | |
9c1d81c1 | 338 | { |
68f8ff14 | 339 | toc_section = bfd_get_section_by_name (output_bfd, ".got"); |
0b9a4d73 AM |
340 | if (toc_section != NULL) |
341 | lang_for_each_statement (build_toc_list); | |
342 | ||
343 | ppc64_elf_reinit_toc (output_bfd, &link_info); | |
344 | ||
836c6af1 | 345 | lang_for_each_statement (build_section_lists); |
9c1d81c1 | 346 | |
836c6af1 AM |
347 | /* Call into the BFD backend to do the real work. */ |
348 | if (!ppc64_elf_size_stubs (output_bfd, | |
836c6af1 AM |
349 | &link_info, |
350 | group_size, | |
351 | &ppc_add_stub_section, | |
352 | &ppc_layout_sections_again)) | |
92b7a70f | 353 | einfo ("%X%P: can not size stub section: %E\n"); |
1f808cd5 | 354 | } |
9c1d81c1 | 355 | } |
1f808cd5 | 356 | |
8ded5a0f AM |
357 | if (need_laying_out != -1) |
358 | gld${EMULATION_NAME}_map_segments (need_laying_out); | |
deb04cdb | 359 | |
40e45c8b AM |
360 | if (link_info.relocatable) |
361 | { | |
362 | asection *toc = bfd_get_section_by_name (output_bfd, ".toc"); | |
363 | if (toc != NULL | |
364 | && bfd_section_size (output_bfd, toc) > 0x10000) | |
365 | einfo ("%X%P: TOC section size exceeds 64k\n"); | |
366 | } | |
367 | ||
68f8ff14 | 368 | if (stub_added) |
9c1d81c1 | 369 | { |
bda6c678 AM |
370 | char *msg = NULL; |
371 | char *line, *endline; | |
372 | ||
a23d8409 | 373 | emit_stub_syms |= link_info.emitrelocations; |
bda6c678 AM |
374 | if (!ppc64_elf_build_stubs (emit_stub_syms, &link_info, |
375 | config.stats ? &msg : NULL)) | |
9c1d81c1 | 376 | einfo ("%X%P: can not build stubs: %E\n"); |
bda6c678 AM |
377 | |
378 | for (line = msg; line != NULL; line = endline) | |
379 | { | |
380 | endline = strchr (line, '\n'); | |
381 | if (endline != NULL) | |
382 | *endline++ = '\0'; | |
383 | fprintf (stderr, "%s: %s\n", program_name, line); | |
384 | } | |
385 | if (msg != NULL) | |
386 | free (msg); | |
9c1d81c1 | 387 | } |
99877b66 AM |
388 | |
389 | ppc64_elf_restore_symbols (&link_info); | |
1e035701 | 390 | finish_default (); |
9c1d81c1 | 391 | } |
1f808cd5 | 392 | |
76dc39fe | 393 | |
fac1652d AM |
394 | /* Add a pattern matching ".foo" for every "foo" in a version script. |
395 | ||
396 | The reason for doing this is that many shared library version | |
397 | scripts export a selected set of functions or data symbols, forcing | |
398 | others local. eg. | |
399 | ||
400 | . VERS_1 { | |
401 | . global: | |
402 | . this; that; some; thing; | |
403 | . local: | |
404 | . *; | |
405 | . }; | |
406 | ||
407 | To make the above work for PowerPC64, we need to export ".this", | |
408 | ".that" and so on, otherwise only the function descriptor syms are | |
409 | exported. Lack of an exported function code sym may cause a | |
410 | definition to be pulled in from a static library. */ | |
411 | ||
7d8a3a28 AM |
412 | static struct bfd_elf_version_expr * |
413 | gld${EMULATION_NAME}_new_vers_pattern (struct bfd_elf_version_expr *entry) | |
fac1652d AM |
414 | { |
415 | struct bfd_elf_version_expr *dot_entry; | |
fac1652d AM |
416 | unsigned int len; |
417 | char *dot_pat; | |
418 | ||
b7b7fe3f AS |
419 | if (!dotsyms |
420 | || (entry->pattern != NULL | |
421 | && (entry->pattern[0] == '*' || entry->pattern[0] == '.'))) | |
fac1652d AM |
422 | return entry; |
423 | ||
7d8a3a28 | 424 | dot_entry = xmalloc (sizeof *dot_entry); |
108ba305 | 425 | *dot_entry = *entry; |
fac1652d | 426 | dot_entry->next = entry; |
b7b7fe3f AS |
427 | if (entry->pattern != NULL) |
428 | { | |
429 | len = strlen (entry->pattern) + 2; | |
430 | dot_pat = xmalloc (len); | |
431 | dot_pat[0] = '.'; | |
432 | memcpy (dot_pat + 1, entry->pattern, len - 1); | |
433 | dot_entry->pattern = dot_pat; | |
434 | } | |
c4e33880 AM |
435 | if (entry->symbol != NULL) |
436 | { | |
437 | len = strlen (entry->symbol) + 2; | |
438 | dot_pat = xmalloc (len); | |
439 | dot_pat[0] = '.'; | |
440 | memcpy (dot_pat + 1, entry->symbol, len - 1); | |
441 | dot_entry->symbol = dot_pat; | |
442 | } | |
fac1652d AM |
443 | return dot_entry; |
444 | } | |
445 | ||
446 | ||
9c1d81c1 AM |
447 | /* Avoid processing the fake stub_file in vercheck, stat_needed and |
448 | check_needed routines. */ | |
1f808cd5 | 449 | |
7d8a3a28 | 450 | static void (*real_func) (lang_input_statement_type *); |
1f808cd5 | 451 | |
7d8a3a28 | 452 | static void ppc_for_each_input_file_wrapper (lang_input_statement_type *l) |
9c1d81c1 AM |
453 | { |
454 | if (l != stub_file) | |
455 | (*real_func) (l); | |
1f808cd5 | 456 | } |
9c1d81c1 AM |
457 | |
458 | static void | |
7d8a3a28 | 459 | ppc_lang_for_each_input_file (void (*func) (lang_input_statement_type *)) |
9c1d81c1 AM |
460 | { |
461 | real_func = func; | |
462 | lang_for_each_input_file (&ppc_for_each_input_file_wrapper); | |
463 | } | |
464 | ||
465 | #define lang_for_each_input_file ppc_lang_for_each_input_file | |
466 | ||
1f808cd5 AM |
467 | EOF |
468 | ||
dc27aea4 | 469 | if grep -q 'ld_elf32_spu_emulation' ldemul-list.h; then |
92b93329 | 470 | fragment <<EOF |
dc27aea4 AM |
471 | /* Special handling for embedded SPU executables. */ |
472 | extern bfd_boolean embedded_spu_file (lang_input_statement_type *, const char *); | |
473 | static bfd_boolean gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *); | |
474 | ||
475 | static bfd_boolean | |
476 | ppc64_recognized_file (lang_input_statement_type *entry) | |
477 | { | |
478 | if (embedded_spu_file (entry, "-m64")) | |
479 | return TRUE; | |
480 | ||
481 | return gld${EMULATION_NAME}_load_symbols (entry); | |
482 | } | |
483 | EOF | |
484 | LDEMUL_RECOGNIZED_FILE=ppc64_recognized_file | |
485 | fi | |
486 | ||
9c1d81c1 AM |
487 | # Define some shell vars to insert bits of code into the standard elf |
488 | # parse_args and list_options functions. | |
489 | # | |
490 | PARSE_AND_LIST_PROLOGUE=' | |
491 | #define OPTION_STUBGROUP_SIZE 301 | |
0b9a4d73 AM |
492 | #define OPTION_STUBSYMS (OPTION_STUBGROUP_SIZE + 1) |
493 | #define OPTION_DOTSYMS (OPTION_STUBSYMS + 1) | |
fac1652d | 494 | #define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1) |
e5096e3f | 495 | #define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1) |
c5614fa4 AM |
496 | #define OPTION_NO_OPD_OPT (OPTION_NO_TLS_OPT + 1) |
497 | #define OPTION_NO_TOC_OPT (OPTION_NO_OPD_OPT + 1) | |
4c52953f AM |
498 | #define OPTION_NO_MULTI_TOC (OPTION_NO_TOC_OPT + 1) |
499 | #define OPTION_NON_OVERLAPPING_OPD (OPTION_NO_MULTI_TOC + 1) | |
9c1d81c1 AM |
500 | ' |
501 | ||
9c1d81c1 AM |
502 | PARSE_AND_LIST_LONGOPTS=' |
503 | { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE }, | |
0b9a4d73 | 504 | { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS }, |
fac1652d AM |
505 | { "dotsyms", no_argument, NULL, OPTION_DOTSYMS }, |
506 | { "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS }, | |
e5096e3f | 507 | { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT }, |
c5614fa4 AM |
508 | { "no-opd-optimize", no_argument, NULL, OPTION_NO_OPD_OPT }, |
509 | { "no-toc-optimize", no_argument, NULL, OPTION_NO_TOC_OPT }, | |
4c52953f | 510 | { "no-multi-toc", no_argument, NULL, OPTION_NO_MULTI_TOC }, |
3f764659 | 511 | { "non-overlapping-opd", no_argument, NULL, OPTION_NON_OVERLAPPING_OPD }, |
9c1d81c1 AM |
512 | ' |
513 | ||
514 | PARSE_AND_LIST_OPTIONS=' | |
515 | fprintf (file, _("\ | |
442996ee AM |
516 | --stub-group-size=N Maximum size of a group of input sections that\n\ |
517 | can be handled by one stub section. A negative\n\ | |
518 | value locates all stubs before their branches\n\ | |
519 | (with a group size of -N), while a positive\n\ | |
520 | value allows two groups of input sections, one\n\ | |
521 | before, and one after each stub section.\n\ | |
522 | Values of +/-1 indicate the linker should\n\ | |
523 | choose suitable defaults.\n" | |
9c1d81c1 | 524 | )); |
fac1652d | 525 | fprintf (file, _("\ |
442996ee | 526 | --emit-stub-syms Label linker stubs with a symbol.\n" |
0b9a4d73 AM |
527 | )); |
528 | fprintf (file, _("\ | |
442996ee AM |
529 | --dotsyms For every version pattern \"foo\" in a version\n\ |
530 | script, add \".foo\" so that function code\n\ | |
531 | symbols are treated the same as function\n\ | |
532 | descriptor symbols. Defaults to on.\n" | |
fac1652d AM |
533 | )); |
534 | fprintf (file, _("\ | |
442996ee | 535 | --no-dotsyms Don'\''t do anything special in version scripts.\n" |
fac1652d | 536 | )); |
e5096e3f | 537 | fprintf (file, _("\ |
442996ee | 538 | --no-tls-optimize Don'\''t try to optimize TLS accesses.\n" |
e5096e3f | 539 | )); |
3f764659 | 540 | fprintf (file, _("\ |
442996ee | 541 | --no-opd-optimize Don'\''t optimize the OPD section.\n" |
c5614fa4 AM |
542 | )); |
543 | fprintf (file, _("\ | |
442996ee | 544 | --no-toc-optimize Don'\''t optimize the TOC section.\n" |
c5614fa4 AM |
545 | )); |
546 | fprintf (file, _("\ | |
442996ee | 547 | --no-multi-toc Disallow automatic multiple toc sections.\n" |
4c52953f AM |
548 | )); |
549 | fprintf (file, _("\ | |
442996ee AM |
550 | --non-overlapping-opd Canonicalize .opd, so that there are no\n\ |
551 | overlapping .opd entries.\n" | |
3f764659 | 552 | )); |
9c1d81c1 AM |
553 | ' |
554 | ||
555 | PARSE_AND_LIST_ARGS_CASES=' | |
556 | case OPTION_STUBGROUP_SIZE: | |
557 | { | |
558 | const char *end; | |
559 | group_size = bfd_scan_vma (optarg, &end, 0); | |
560 | if (*end) | |
561 | einfo (_("%P%F: invalid number `%s'\''\n"), optarg); | |
562 | } | |
563 | break; | |
fac1652d | 564 | |
0b9a4d73 AM |
565 | case OPTION_STUBSYMS: |
566 | emit_stub_syms = 1; | |
567 | break; | |
568 | ||
fac1652d | 569 | case OPTION_DOTSYMS: |
e5096e3f | 570 | dotsyms = 1; |
fac1652d AM |
571 | break; |
572 | ||
573 | case OPTION_NO_DOTSYMS: | |
e5096e3f AM |
574 | dotsyms = 0; |
575 | break; | |
576 | ||
577 | case OPTION_NO_TLS_OPT: | |
c5614fa4 AM |
578 | no_tls_opt = 1; |
579 | break; | |
580 | ||
581 | case OPTION_NO_OPD_OPT: | |
582 | no_opd_opt = 1; | |
583 | break; | |
584 | ||
585 | case OPTION_NO_TOC_OPT: | |
586 | no_toc_opt = 1; | |
fac1652d | 587 | break; |
3f764659 | 588 | |
4c52953f AM |
589 | case OPTION_NO_MULTI_TOC: |
590 | no_multi_toc = 1; | |
591 | break; | |
592 | ||
3f764659 JJ |
593 | case OPTION_NON_OVERLAPPING_OPD: |
594 | non_overlapping_opd = 1; | |
595 | break; | |
9c1d81c1 AM |
596 | ' |
597 | ||
1f808cd5 AM |
598 | # Put these extra ppc64elf routines in ld_${EMULATION_NAME}_emulation |
599 | # | |
836c6af1 | 600 | LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation |
1f808cd5 | 601 | LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation |
8ded5a0f | 602 | LDEMUL_FINISH=gld${EMULATION_NAME}_finish |
9c1d81c1 | 603 | LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements |
fac1652d | 604 | LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern |