Commit | Line | Data |
---|---|---|
1f808cd5 | 1 | # This shell script emits a C file. -*- C -*- |
b9cf773d | 2 | # Copyright 2002, 2003, 2004 Free Software Foundation, Inc. |
1f808cd5 AM |
3 | # |
4 | # This file is part of GLD, the Gnu Linker. | |
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 | |
8 | # the Free Software Foundation; either version 2 of the License, or | |
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 | |
18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | # | |
20 | ||
21 | # This file is sourced from elf32.em, and defines extra powerpc64-elf | |
22 | # specific routines. | |
23 | # | |
24 | cat >>e${EMULATION_NAME}.c <<EOF | |
25 | ||
9c1d81c1 | 26 | #include "ldctor.h" |
805fc799 | 27 | #include "libbfd.h" |
83490352 | 28 | #include "elf-bfd.h" |
1f808cd5 AM |
29 | #include "elf64-ppc.h" |
30 | ||
9c1d81c1 AM |
31 | /* Fake input file for stubs. */ |
32 | static lang_input_statement_type *stub_file; | |
68f8ff14 | 33 | static int stub_added = 0; |
9c1d81c1 AM |
34 | |
35 | /* Whether we need to call ppc_layout_sections_again. */ | |
1f808cd5 AM |
36 | static int need_laying_out = 0; |
37 | ||
9c1d81c1 AM |
38 | /* Maximum size of a group of input sections that can be handled by |
39 | one stub section. A value of +/-1 indicates the bfd back-end | |
40 | should use a suitable default size. */ | |
41 | static bfd_signed_vma group_size = 1; | |
42 | ||
fac1652d AM |
43 | /* Whether to add ".foo" entries for each "foo" in a version script. */ |
44 | static int dotsyms = 1; | |
45 | ||
e5096e3f | 46 | /* Whether to run tls optimization. */ |
c5614fa4 AM |
47 | static int no_tls_opt = 0; |
48 | ||
49 | /* Whether to run opd optimization. */ | |
50 | static int no_opd_opt = 0; | |
51 | ||
52 | /* Whether to run toc optimization. */ | |
53 | static int no_toc_opt = 0; | |
e5096e3f | 54 | |
4c52953f AM |
55 | /* Whether to allow multiple toc sections. */ |
56 | static int no_multi_toc = 0; | |
57 | ||
0b9a4d73 AM |
58 | /* Whether to emit symbols for stubs. */ |
59 | static int emit_stub_syms = 0; | |
60 | ||
61 | static asection *toc_section = 0; | |
62 | ||
3f764659 JJ |
63 | /* Whether to canonicalize .opd so that there are no overlapping |
64 | .opd entries. */ | |
65 | static int non_overlapping_opd = 0; | |
9c1d81c1 AM |
66 | |
67 | /* This is called before the input files are opened. We create a new | |
68 | fake input file to hold the stub sections. */ | |
69 | ||
70 | static void | |
7d8a3a28 | 71 | ppc_create_output_section_statements (void) |
9c1d81c1 | 72 | { |
a015f5ec AM |
73 | extern const bfd_target bfd_elf64_powerpc_vec; |
74 | extern const bfd_target bfd_elf64_powerpcle_vec; | |
75 | ||
76 | if (link_info.hash->creator != &bfd_elf64_powerpc_vec | |
77 | && link_info.hash->creator != &bfd_elf64_powerpcle_vec) | |
78 | return; | |
79 | ||
b9cf773d AM |
80 | link_info.wrap_char = '.'; |
81 | ||
9c1d81c1 AM |
82 | stub_file = lang_add_input_file ("linker stubs", |
83 | lang_input_file_is_fake_enum, | |
84 | NULL); | |
85 | stub_file->the_bfd = bfd_create ("linker stubs", output_bfd); | |
86 | if (stub_file->the_bfd == NULL | |
87 | || !bfd_set_arch_mach (stub_file->the_bfd, | |
88 | bfd_get_arch (output_bfd), | |
89 | bfd_get_mach (output_bfd))) | |
90 | { | |
91 | einfo ("%X%P: can not create BFD %E\n"); | |
92 | return; | |
93 | } | |
94 | ||
d457dcf6 | 95 | stub_file->the_bfd->flags |= BFD_LINKER_CREATED; |
9c1d81c1 | 96 | ldlang_add_file (stub_file); |
68f8ff14 | 97 | ppc64_elf_init_stub_bfd (stub_file->the_bfd, &link_info); |
9c1d81c1 AM |
98 | } |
99 | ||
836c6af1 | 100 | static void |
7d8a3a28 | 101 | ppc_before_allocation (void) |
836c6af1 | 102 | { |
a015f5ec | 103 | if (stub_file != NULL) |
e0468e59 | 104 | { |
c5614fa4 AM |
105 | if (!no_opd_opt |
106 | && !ppc64_elf_edit_opd (output_bfd, &link_info, non_overlapping_opd)) | |
e5096e3f | 107 | { |
c5614fa4 | 108 | einfo ("%X%P: can not edit %s %E\n", "opd"); |
e5096e3f AM |
109 | return; |
110 | } | |
111 | ||
c5614fa4 | 112 | if (ppc64_elf_tls_setup (output_bfd, &link_info) && !no_tls_opt) |
a015f5ec AM |
113 | { |
114 | /* Size the sections. This is premature, but we want to know the | |
115 | TLS segment layout so that certain optimizations can be done. */ | |
116 | lang_size_sections (stat_ptr->head, abs_output_section, | |
7d8a3a28 | 117 | &stat_ptr->head, 0, 0, NULL, TRUE); |
a015f5ec AM |
118 | |
119 | if (!ppc64_elf_tls_optimize (output_bfd, &link_info)) | |
120 | { | |
121 | einfo ("%X%P: TLS problem %E\n"); | |
122 | return; | |
123 | } | |
124 | ||
83490352 AM |
125 | /* We must not cache anything from the preliminary sizing. */ |
126 | elf_tdata (output_bfd)->program_header_size = 0; | |
a015f5ec AM |
127 | lang_reset_memory_regions (); |
128 | } | |
c5614fa4 AM |
129 | |
130 | if (!no_toc_opt | |
131 | && !link_info.relocatable | |
132 | && !ppc64_elf_edit_toc (output_bfd, &link_info)) | |
133 | { | |
134 | einfo ("%X%P: can not edit %s %E\n", "toc"); | |
135 | return; | |
136 | } | |
e0468e59 AM |
137 | } |
138 | ||
836c6af1 AM |
139 | gld${EMULATION_NAME}_before_allocation (); |
140 | } | |
141 | ||
9c1d81c1 AM |
142 | struct hook_stub_info |
143 | { | |
144 | lang_statement_list_type add; | |
145 | asection *input_section; | |
146 | }; | |
147 | ||
148 | /* Traverse the linker tree to find the spot where the stub goes. */ | |
149 | ||
b34976b6 | 150 | static bfd_boolean |
7d8a3a28 | 151 | hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp) |
9c1d81c1 AM |
152 | { |
153 | lang_statement_union_type *l; | |
b34976b6 | 154 | bfd_boolean ret; |
9c1d81c1 AM |
155 | |
156 | for (; (l = *lp) != NULL; lp = &l->header.next) | |
157 | { | |
158 | switch (l->header.type) | |
159 | { | |
160 | case lang_constructors_statement_enum: | |
161 | ret = hook_in_stub (info, &constructor_list.head); | |
162 | if (ret) | |
163 | return ret; | |
164 | break; | |
165 | ||
166 | case lang_output_section_statement_enum: | |
167 | ret = hook_in_stub (info, | |
168 | &l->output_section_statement.children.head); | |
169 | if (ret) | |
170 | return ret; | |
171 | break; | |
172 | ||
173 | case lang_wild_statement_enum: | |
174 | ret = hook_in_stub (info, &l->wild_statement.children.head); | |
175 | if (ret) | |
176 | return ret; | |
177 | break; | |
178 | ||
179 | case lang_group_statement_enum: | |
180 | ret = hook_in_stub (info, &l->group_statement.children.head); | |
181 | if (ret) | |
182 | return ret; | |
183 | break; | |
184 | ||
185 | case lang_input_section_enum: | |
186 | if (l->input_section.section == info->input_section) | |
187 | { | |
188 | /* We've found our section. Insert the stub immediately | |
189 | before its associated input section. */ | |
190 | *lp = info->add.head; | |
191 | *(info->add.tail) = l; | |
b34976b6 | 192 | return TRUE; |
9c1d81c1 AM |
193 | } |
194 | break; | |
195 | ||
196 | case lang_data_statement_enum: | |
197 | case lang_reloc_statement_enum: | |
198 | case lang_object_symbols_statement_enum: | |
199 | case lang_output_statement_enum: | |
200 | case lang_target_statement_enum: | |
201 | case lang_input_statement_enum: | |
202 | case lang_assignment_statement_enum: | |
203 | case lang_padding_statement_enum: | |
204 | case lang_address_statement_enum: | |
205 | case lang_fill_statement_enum: | |
206 | break; | |
207 | ||
208 | default: | |
209 | FAIL (); | |
210 | break; | |
211 | } | |
212 | } | |
b34976b6 | 213 | return FALSE; |
9c1d81c1 AM |
214 | } |
215 | ||
216 | ||
217 | /* Call-back for ppc64_elf_size_stubs. */ | |
218 | ||
219 | /* Create a new stub section, and arrange for it to be linked | |
220 | immediately before INPUT_SECTION. */ | |
221 | ||
222 | static asection * | |
7d8a3a28 | 223 | ppc_add_stub_section (const char *stub_sec_name, asection *input_section) |
9c1d81c1 AM |
224 | { |
225 | asection *stub_sec; | |
226 | flagword flags; | |
227 | asection *output_section; | |
228 | const char *secname; | |
229 | lang_output_section_statement_type *os; | |
230 | struct hook_stub_info info; | |
231 | ||
232 | stub_sec = bfd_make_section_anyway (stub_file->the_bfd, stub_sec_name); | |
233 | if (stub_sec == NULL) | |
234 | goto err_ret; | |
235 | ||
236 | flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | |
237 | | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP); | |
238 | if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags)) | |
239 | goto err_ret; | |
240 | ||
241 | output_section = input_section->output_section; | |
242 | secname = bfd_get_section_name (output_section->owner, output_section); | |
243 | os = lang_output_section_find (secname); | |
244 | ||
245 | info.input_section = input_section; | |
246 | lang_list_init (&info.add); | |
247 | lang_add_section (&info.add, stub_sec, os, stub_file); | |
248 | ||
249 | if (info.add.head == NULL) | |
250 | goto err_ret; | |
251 | ||
68f8ff14 | 252 | stub_added = 1; |
9c1d81c1 AM |
253 | if (hook_in_stub (&info, &os->children.head)) |
254 | return stub_sec; | |
255 | ||
256 | err_ret: | |
257 | einfo ("%X%P: can not make stub section: %E\n"); | |
258 | return NULL; | |
259 | } | |
260 | ||
261 | ||
262 | /* Another call-back for ppc64_elf_size_stubs. */ | |
263 | ||
264 | static void | |
7d8a3a28 | 265 | ppc_layout_sections_again (void) |
9c1d81c1 AM |
266 | { |
267 | /* If we have changed sizes of the stub sections, then we need | |
268 | to recalculate all the section offsets. This may mean we need to | |
269 | add even more stubs. */ | |
270 | need_laying_out = 0; | |
271 | ||
272 | lang_reset_memory_regions (); | |
273 | ||
274 | /* Resize the sections. */ | |
275 | lang_size_sections (stat_ptr->head, abs_output_section, | |
7d8a3a28 | 276 | &stat_ptr->head, 0, 0, NULL, TRUE); |
9c1d81c1 AM |
277 | |
278 | /* Recalculate TOC base. */ | |
279 | ldemul_after_allocation (); | |
280 | ||
281 | /* Do the assignments again. */ | |
7d8a3a28 | 282 | lang_do_assignments (stat_ptr->head, abs_output_section, NULL, 0); |
9c1d81c1 AM |
283 | } |
284 | ||
1f808cd5 AM |
285 | |
286 | /* Call the back-end function to set TOC base after we have placed all | |
287 | the sections. */ | |
288 | static void | |
7d8a3a28 | 289 | gld${EMULATION_NAME}_after_allocation (void) |
1f808cd5 | 290 | { |
1049f94e | 291 | if (!link_info.relocatable) |
805fc799 | 292 | _bfd_set_gp_value (output_bfd, ppc64_elf_toc (output_bfd)); |
1f808cd5 AM |
293 | } |
294 | ||
9c1d81c1 | 295 | |
0b9a4d73 | 296 | static void |
7d8a3a28 | 297 | build_toc_list (lang_statement_union_type *statement) |
0b9a4d73 AM |
298 | { |
299 | if (statement->header.type == lang_input_section_enum | |
300 | && !statement->input_section.ifile->just_syms_flag | |
57ceae94 | 301 | && (statement->input_section.section->flags & SEC_EXCLUDE) == 0 |
0b9a4d73 | 302 | && statement->input_section.section->output_section == toc_section) |
7d8a3a28 | 303 | ppc64_elf_next_toc_section (&link_info, statement->input_section.section); |
0b9a4d73 AM |
304 | } |
305 | ||
306 | ||
9c1d81c1 | 307 | static void |
7d8a3a28 | 308 | build_section_lists (lang_statement_union_type *statement) |
9c1d81c1 AM |
309 | { |
310 | if (statement->header.type == lang_input_section_enum | |
805fc799 | 311 | && !statement->input_section.ifile->just_syms_flag |
57ceae94 | 312 | && (statement->input_section.section->flags & SEC_EXCLUDE) == 0 |
805fc799 AM |
313 | && statement->input_section.section->output_section != NULL |
314 | && statement->input_section.section->output_section->owner == output_bfd) | |
9c1d81c1 | 315 | { |
6bc8652b AM |
316 | if (!ppc64_elf_next_input_section (&link_info, |
317 | statement->input_section.section)) | |
318 | einfo ("%X%P: can not size stub section: %E\n"); | |
9c1d81c1 AM |
319 | } |
320 | } | |
321 | ||
fac1652d | 322 | |
9c1d81c1 | 323 | /* Final emulation specific call. */ |
1f808cd5 AM |
324 | |
325 | static void | |
7d8a3a28 | 326 | gld${EMULATION_NAME}_finish (void) |
1f808cd5 | 327 | { |
1e281515 AM |
328 | /* e_entry on PowerPC64 points to the function descriptor for |
329 | _start. If _start is missing, default to the first function | |
330 | descriptor in the .opd section. */ | |
331 | entry_section = ".opd"; | |
332 | ||
7a945db6 | 333 | /* bfd_elf_discard_info just plays with debugging sections, |
1f808cd5 AM |
334 | ie. doesn't affect any code, so we can delay resizing the |
335 | sections. It's likely we'll resize everything in the process of | |
9c1d81c1 | 336 | adding stubs. */ |
7a945db6 | 337 | if (bfd_elf_discard_info (output_bfd, &link_info)) |
1f808cd5 AM |
338 | need_laying_out = 1; |
339 | ||
836c6af1 AM |
340 | /* If generating a relocatable output file, then we don't have any |
341 | stubs. */ | |
1049f94e | 342 | if (stub_file != NULL && !link_info.relocatable) |
1f808cd5 | 343 | { |
4c52953f AM |
344 | int ret = ppc64_elf_setup_section_lists (output_bfd, &link_info, |
345 | no_multi_toc); | |
836c6af1 | 346 | if (ret != 0) |
9c1d81c1 | 347 | { |
836c6af1 AM |
348 | if (ret < 0) |
349 | { | |
350 | einfo ("%X%P: can not size stub section: %E\n"); | |
351 | return; | |
352 | } | |
9c1d81c1 | 353 | |
68f8ff14 | 354 | toc_section = bfd_get_section_by_name (output_bfd, ".got"); |
0b9a4d73 AM |
355 | if (toc_section != NULL) |
356 | lang_for_each_statement (build_toc_list); | |
357 | ||
358 | ppc64_elf_reinit_toc (output_bfd, &link_info); | |
359 | ||
836c6af1 | 360 | lang_for_each_statement (build_section_lists); |
9c1d81c1 | 361 | |
836c6af1 AM |
362 | /* Call into the BFD backend to do the real work. */ |
363 | if (!ppc64_elf_size_stubs (output_bfd, | |
836c6af1 AM |
364 | &link_info, |
365 | group_size, | |
366 | &ppc_add_stub_section, | |
367 | &ppc_layout_sections_again)) | |
368 | { | |
369 | einfo ("%X%P: can not size stub section: %E\n"); | |
370 | return; | |
371 | } | |
1f808cd5 | 372 | } |
9c1d81c1 | 373 | } |
1f808cd5 | 374 | |
9c1d81c1 AM |
375 | if (need_laying_out) |
376 | ppc_layout_sections_again (); | |
1f808cd5 | 377 | |
40e45c8b AM |
378 | if (link_info.relocatable) |
379 | { | |
380 | asection *toc = bfd_get_section_by_name (output_bfd, ".toc"); | |
381 | if (toc != NULL | |
382 | && bfd_section_size (output_bfd, toc) > 0x10000) | |
383 | einfo ("%X%P: TOC section size exceeds 64k\n"); | |
384 | } | |
385 | ||
68f8ff14 | 386 | if (stub_added) |
9c1d81c1 | 387 | { |
bda6c678 AM |
388 | char *msg = NULL; |
389 | char *line, *endline; | |
390 | ||
a23d8409 | 391 | emit_stub_syms |= link_info.emitrelocations; |
bda6c678 AM |
392 | if (!ppc64_elf_build_stubs (emit_stub_syms, &link_info, |
393 | config.stats ? &msg : NULL)) | |
9c1d81c1 | 394 | einfo ("%X%P: can not build stubs: %E\n"); |
bda6c678 AM |
395 | |
396 | for (line = msg; line != NULL; line = endline) | |
397 | { | |
398 | endline = strchr (line, '\n'); | |
399 | if (endline != NULL) | |
400 | *endline++ = '\0'; | |
401 | fprintf (stderr, "%s: %s\n", program_name, line); | |
402 | } | |
403 | if (msg != NULL) | |
404 | free (msg); | |
9c1d81c1 | 405 | } |
99877b66 AM |
406 | |
407 | ppc64_elf_restore_symbols (&link_info); | |
9c1d81c1 | 408 | } |
1f808cd5 | 409 | |
76dc39fe | 410 | |
fac1652d AM |
411 | /* Add a pattern matching ".foo" for every "foo" in a version script. |
412 | ||
413 | The reason for doing this is that many shared library version | |
414 | scripts export a selected set of functions or data symbols, forcing | |
415 | others local. eg. | |
416 | ||
417 | . VERS_1 { | |
418 | . global: | |
419 | . this; that; some; thing; | |
420 | . local: | |
421 | . *; | |
422 | . }; | |
423 | ||
424 | To make the above work for PowerPC64, we need to export ".this", | |
425 | ".that" and so on, otherwise only the function descriptor syms are | |
426 | exported. Lack of an exported function code sym may cause a | |
427 | definition to be pulled in from a static library. */ | |
428 | ||
7d8a3a28 AM |
429 | static struct bfd_elf_version_expr * |
430 | gld${EMULATION_NAME}_new_vers_pattern (struct bfd_elf_version_expr *entry) | |
fac1652d AM |
431 | { |
432 | struct bfd_elf_version_expr *dot_entry; | |
fac1652d AM |
433 | unsigned int len; |
434 | char *dot_pat; | |
435 | ||
108ba305 | 436 | if (!dotsyms || entry->pattern[0] == '*' || entry->pattern[0] == '.') |
fac1652d AM |
437 | return entry; |
438 | ||
7d8a3a28 | 439 | dot_entry = xmalloc (sizeof *dot_entry); |
108ba305 | 440 | *dot_entry = *entry; |
fac1652d AM |
441 | dot_entry->next = entry; |
442 | len = strlen (entry->pattern) + 2; | |
443 | dot_pat = xmalloc (len); | |
444 | dot_pat[0] = '.'; | |
445 | memcpy (dot_pat + 1, entry->pattern, len - 1); | |
446 | dot_entry->pattern = dot_pat; | |
c4e33880 AM |
447 | if (entry->symbol != NULL) |
448 | { | |
449 | len = strlen (entry->symbol) + 2; | |
450 | dot_pat = xmalloc (len); | |
451 | dot_pat[0] = '.'; | |
452 | memcpy (dot_pat + 1, entry->symbol, len - 1); | |
453 | dot_entry->symbol = dot_pat; | |
454 | } | |
fac1652d AM |
455 | return dot_entry; |
456 | } | |
457 | ||
458 | ||
9c1d81c1 AM |
459 | /* Avoid processing the fake stub_file in vercheck, stat_needed and |
460 | check_needed routines. */ | |
1f808cd5 | 461 | |
7d8a3a28 | 462 | static void (*real_func) (lang_input_statement_type *); |
1f808cd5 | 463 | |
7d8a3a28 | 464 | static void ppc_for_each_input_file_wrapper (lang_input_statement_type *l) |
9c1d81c1 AM |
465 | { |
466 | if (l != stub_file) | |
467 | (*real_func) (l); | |
1f808cd5 | 468 | } |
9c1d81c1 AM |
469 | |
470 | static void | |
7d8a3a28 | 471 | ppc_lang_for_each_input_file (void (*func) (lang_input_statement_type *)) |
9c1d81c1 AM |
472 | { |
473 | real_func = func; | |
474 | lang_for_each_input_file (&ppc_for_each_input_file_wrapper); | |
475 | } | |
476 | ||
477 | #define lang_for_each_input_file ppc_lang_for_each_input_file | |
478 | ||
1f808cd5 AM |
479 | EOF |
480 | ||
9c1d81c1 AM |
481 | # Define some shell vars to insert bits of code into the standard elf |
482 | # parse_args and list_options functions. | |
483 | # | |
484 | PARSE_AND_LIST_PROLOGUE=' | |
485 | #define OPTION_STUBGROUP_SIZE 301 | |
0b9a4d73 AM |
486 | #define OPTION_STUBSYMS (OPTION_STUBGROUP_SIZE + 1) |
487 | #define OPTION_DOTSYMS (OPTION_STUBSYMS + 1) | |
fac1652d | 488 | #define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1) |
e5096e3f | 489 | #define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1) |
c5614fa4 AM |
490 | #define OPTION_NO_OPD_OPT (OPTION_NO_TLS_OPT + 1) |
491 | #define OPTION_NO_TOC_OPT (OPTION_NO_OPD_OPT + 1) | |
4c52953f AM |
492 | #define OPTION_NO_MULTI_TOC (OPTION_NO_TOC_OPT + 1) |
493 | #define OPTION_NON_OVERLAPPING_OPD (OPTION_NO_MULTI_TOC + 1) | |
9c1d81c1 AM |
494 | ' |
495 | ||
9c1d81c1 AM |
496 | PARSE_AND_LIST_LONGOPTS=' |
497 | { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE }, | |
0b9a4d73 | 498 | { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS }, |
fac1652d AM |
499 | { "dotsyms", no_argument, NULL, OPTION_DOTSYMS }, |
500 | { "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS }, | |
e5096e3f | 501 | { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT }, |
c5614fa4 AM |
502 | { "no-opd-optimize", no_argument, NULL, OPTION_NO_OPD_OPT }, |
503 | { "no-toc-optimize", no_argument, NULL, OPTION_NO_TOC_OPT }, | |
4c52953f | 504 | { "no-multi-toc", no_argument, NULL, OPTION_NO_MULTI_TOC }, |
3f764659 | 505 | { "non-overlapping-opd", no_argument, NULL, OPTION_NON_OVERLAPPING_OPD }, |
9c1d81c1 AM |
506 | ' |
507 | ||
508 | PARSE_AND_LIST_OPTIONS=' | |
509 | fprintf (file, _("\ | |
510 | --stub-group-size=N Maximum size of a group of input sections that can be\n\ | |
511 | handled by one stub section. A negative value\n\ | |
512 | locates all stubs before their branches (with a\n\ | |
513 | group size of -N), while a positive value allows\n\ | |
514 | two groups of input sections, one before, and one\n\ | |
515 | after each stub section. Values of +/-1 indicate\n\ | |
516 | the linker should choose suitable defaults.\n" | |
517 | )); | |
fac1652d | 518 | fprintf (file, _("\ |
0b9a4d73 AM |
519 | --emit-stub-syms Label linker stubs with a symbol.\n" |
520 | )); | |
521 | fprintf (file, _("\ | |
fac1652d AM |
522 | --dotsyms For every version pattern \"foo\" in a version script,\n\ |
523 | add \".foo\" so that function code symbols are\n\ | |
524 | treated the same as function descriptor symbols.\n\ | |
525 | Defaults to on.\n" | |
526 | )); | |
527 | fprintf (file, _("\ | |
528 | --no-dotsyms Don'\''t do anything special in version scripts.\n" | |
529 | )); | |
e5096e3f AM |
530 | fprintf (file, _("\ |
531 | --no-tls-optimize Don'\''t try to optimize TLS accesses.\n" | |
532 | )); | |
3f764659 | 533 | fprintf (file, _("\ |
c5614fa4 AM |
534 | --no-opd-optimize Don'\''t optimize the OPD section.\n" |
535 | )); | |
536 | fprintf (file, _("\ | |
537 | --no-toc-optimize Don'\''t optimize the TOC section.\n" | |
538 | )); | |
539 | fprintf (file, _("\ | |
4c52953f AM |
540 | --no-multi-toc Disallow automatic multiple toc sections.\n" |
541 | )); | |
542 | fprintf (file, _("\ | |
3f764659 JJ |
543 | --non-overlapping-opd Canonicalize .opd, so that there are no overlapping\n\ |
544 | .opd entries.\n" | |
545 | )); | |
9c1d81c1 AM |
546 | ' |
547 | ||
548 | PARSE_AND_LIST_ARGS_CASES=' | |
549 | case OPTION_STUBGROUP_SIZE: | |
550 | { | |
551 | const char *end; | |
552 | group_size = bfd_scan_vma (optarg, &end, 0); | |
553 | if (*end) | |
554 | einfo (_("%P%F: invalid number `%s'\''\n"), optarg); | |
555 | } | |
556 | break; | |
fac1652d | 557 | |
0b9a4d73 AM |
558 | case OPTION_STUBSYMS: |
559 | emit_stub_syms = 1; | |
560 | break; | |
561 | ||
fac1652d | 562 | case OPTION_DOTSYMS: |
e5096e3f | 563 | dotsyms = 1; |
fac1652d AM |
564 | break; |
565 | ||
566 | case OPTION_NO_DOTSYMS: | |
e5096e3f AM |
567 | dotsyms = 0; |
568 | break; | |
569 | ||
570 | case OPTION_NO_TLS_OPT: | |
c5614fa4 AM |
571 | no_tls_opt = 1; |
572 | break; | |
573 | ||
574 | case OPTION_NO_OPD_OPT: | |
575 | no_opd_opt = 1; | |
576 | break; | |
577 | ||
578 | case OPTION_NO_TOC_OPT: | |
579 | no_toc_opt = 1; | |
fac1652d | 580 | break; |
3f764659 | 581 | |
4c52953f AM |
582 | case OPTION_NO_MULTI_TOC: |
583 | no_multi_toc = 1; | |
584 | break; | |
585 | ||
3f764659 JJ |
586 | case OPTION_NON_OVERLAPPING_OPD: |
587 | non_overlapping_opd = 1; | |
588 | break; | |
9c1d81c1 AM |
589 | ' |
590 | ||
1f808cd5 AM |
591 | # Put these extra ppc64elf routines in ld_${EMULATION_NAME}_emulation |
592 | # | |
836c6af1 | 593 | LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation |
1f808cd5 AM |
594 | LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation |
595 | LDEMUL_FINISH=gld${EMULATION_NAME}_finish | |
9c1d81c1 | 596 | LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements |
fac1652d | 597 | LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern |