| blob | 0c995920f4e9ee1a81c617f1b1bd4f74ce8a3d82 |
1 # This shell script emits a C file. -*- C -*-
2 # Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
3 # Free Software Foundation, Inc.
4 #
5 # This file is part of the GNU Binutils.
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
9 # the Free Software Foundation; either version 3 of the License, or
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
19 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
20 # MA 02110-1301, USA.
21 #
23 # This file is sourced from elf32.em, and defines extra powerpc64-elf
24 # specific routines.
25 #
26 fragment <<EOF
28 #include "ldctor.h"
29 #include "libbfd.h"
30 #include "elf-bfd.h"
31 #include "elf64-ppc.h"
33 /* Fake input file for stubs. */
34 static lang_input_statement_type *stub_file;
35 static int stub_added = 0;
37 /* Whether we need to call ppc_layout_sections_again. */
38 static int need_laying_out = 0;
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;
45 /* Whether to add ".foo" entries for each "foo" in a version script. */
46 static int dotsyms = 1;
48 /* Whether to run tls optimization. */
49 static int no_tls_opt = 0;
50 static int no_tls_get_addr_opt = 0;
52 /* Whether to run opd optimization. */
53 static int no_opd_opt = 0;
55 /* Whether to run toc optimization. */
56 static int no_toc_opt = 0;
58 /* Whether to allow multiple toc sections. */
59 static int no_multi_toc = 0;
61 /* Whether to sort input toc and got sections. */
62 static int no_toc_sort = 0;
64 /* Whether to emit symbols for stubs. */
65 static int emit_stub_syms = -1;
67 static asection *toc_section = 0;
69 /* Whether to canonicalize .opd so that there are no overlapping
70 .opd entries. */
71 static int non_overlapping_opd = 0;
73 /* This is called before the input files are opened. We create a new
74 fake input file to hold the stub sections. */
76 static void
77 ppc_create_output_section_statements (void)
78 {
79 if (!(bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
80 && elf_object_id (link_info.output_bfd) == PPC64_ELF_DATA))
81 return;
83 link_info.wrap_char = '.';
85 stub_file = lang_add_input_file ("linker stubs",
86 lang_input_file_is_fake_enum,
87 NULL);
88 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
89 if (stub_file->the_bfd == NULL
90 || !bfd_set_arch_mach (stub_file->the_bfd,
91 bfd_get_arch (link_info.output_bfd),
92 bfd_get_mach (link_info.output_bfd)))
93 {
94 einfo ("%F%P: can not create BFD %E\n");
95 return;
96 }
98 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
99 ldlang_add_file (stub_file);
100 ppc64_elf_init_stub_bfd (stub_file->the_bfd, &link_info);
101 }
103 /* Move the input section statement at *U which happens to be on LIST
104 to be just before *TO. */
106 static void
107 move_input_section (lang_statement_list_type *list,
108 lang_statement_union_type **u,
109 lang_statement_union_type **to)
110 {
111 lang_statement_union_type *s = *u;
112 asection *i = s->input_section.section;
113 asection *p, *n;
115 /* Snip the input section from the statement list. If it was the
116 last statement, fix the list tail pointer. */
117 *u = s->header.next;
118 if (*u == NULL)
119 list->tail = u;
120 /* Add it back in the new position. */
121 s->header.next = *to;
122 *to = s;
123 if (list->tail == to)
124 list->tail = &s->header.next;
126 /* Trim I off the bfd map_head/map_tail doubly linked lists. */
127 n = i->map_head.s;
128 p = i->map_tail.s;
129 (p != NULL ? p : i->output_section)->map_head.s = n;
130 (n != NULL ? n : i->output_section)->map_tail.s = p;
132 /* Add I back on in its new position. */
133 if (s->header.next->header.type == lang_input_section_enum)
134 {
135 n = s->header.next->input_section.section;
136 p = n->map_tail.s;
137 }
138 else
139 {
140 /* If the next statement is not an input section statement then
141 TO must point at the previous input section statement
142 header.next field. */
143 lang_input_section_type *prev = (lang_input_section_type *)
144 ((char *) to - offsetof (lang_statement_union_type, header.next));
146 ASSERT (prev->header.type == lang_input_section_enum);
147 p = prev->section;
148 n = p->map_head.s;
149 }
150 i->map_head.s = n;
151 i->map_tail.s = p;
152 (p != NULL ? p : i->output_section)->map_head.s = i;
153 (n != NULL ? n : i->output_section)->map_tail.s = i;
154 }
156 /* Sort input section statements in the linker script tree rooted at
157 LIST so that those whose owning bfd happens to have a section
158 called .init or .fini are placed first. Place any TOC sections
159 referenced by small TOC relocs next, with TOC sections referenced
160 only by bigtoc relocs last. */
162 static void
163 sort_toc_sections (lang_statement_list_type *list,
164 lang_statement_union_type **ini,
165 lang_statement_union_type **small)
166 {
167 lang_statement_union_type *s, **u;
168 asection *i;
170 u = &list->head;
171 while ((s = *u) != NULL)
172 {
173 switch (s->header.type)
174 {
175 case lang_wild_statement_enum:
176 sort_toc_sections (&s->wild_statement.children, ini, small);
177 break;
179 case lang_group_statement_enum:
180 sort_toc_sections (&s->group_statement.children, ini, small);
181 break;
183 case lang_input_section_enum:
184 i = s->input_section.section;
185 /* Leave the stub_file .got where it is. We put the .got
186 header there. */
187 if (i->owner == stub_file->the_bfd)
188 break;
189 if (bfd_get_section_by_name (i->owner, ".init") != NULL
190 || bfd_get_section_by_name (i->owner, ".fini") != NULL)
191 {
192 if (ini != NULL && *ini != s)
193 {
194 move_input_section (list, u, ini);
195 if (small == ini)
196 small = &s->header.next;
197 ini = &s->header.next;
198 continue;
199 }
200 if (small == ini)
201 small = &s->header.next;
202 ini = &s->header.next;
203 break;
204 }
205 else if (ini == NULL)
206 ini = u;
208 if (ppc64_elf_has_small_toc_reloc (i))
209 {
210 if (small != NULL && *small != s)
211 {
212 move_input_section (list, u, small);
213 small = &s->header.next;
214 continue;
215 }
216 small = &s->header.next;
217 }
218 else if (small == NULL)
219 small = u;
220 break;
222 default:
223 break;
224 }
225 u = &s->header.next;
226 }
227 }
229 static void
230 prelim_size_sections (void)
231 {
232 if (expld.phase != lang_mark_phase_enum)
233 {
234 expld.phase = lang_mark_phase_enum;
235 expld.dataseg.phase = exp_dataseg_none;
236 one_lang_size_sections_pass (NULL, FALSE);
237 /* We must not cache anything from the preliminary sizing. */
238 lang_reset_memory_regions ();
239 }
240 }
242 static void
243 ppc_before_allocation (void)
244 {
245 if (stub_file != NULL)
246 {
247 if (!no_opd_opt
248 && !ppc64_elf_edit_opd (&link_info, non_overlapping_opd))
249 einfo ("%X%P: can not edit %s %E\n", "opd");
251 if (ppc64_elf_tls_setup (&link_info, no_tls_get_addr_opt, &no_multi_toc)
252 && !no_tls_opt)
253 {
254 /* Size the sections. This is premature, but we want to know the
255 TLS segment layout so that certain optimizations can be done. */
256 prelim_size_sections ();
258 if (!ppc64_elf_tls_optimize (&link_info))
259 einfo ("%X%P: TLS problem %E\n");
260 }
262 if (!no_toc_opt
263 && !link_info.relocatable)
264 {
265 prelim_size_sections ();
267 if (!ppc64_elf_edit_toc (&link_info))
268 einfo ("%X%P: can not edit %s %E\n", "toc");
269 }
271 if (!no_toc_sort)
272 {
273 lang_output_section_statement_type *toc_os;
275 toc_os = lang_output_section_find (".got");
276 if (toc_os != NULL)
277 sort_toc_sections (&toc_os->children, NULL, NULL);
278 }
279 }
281 gld${EMULATION_NAME}_before_allocation ();
282 }
284 struct hook_stub_info
285 {
286 lang_statement_list_type add;
287 asection *input_section;
288 };
290 /* Traverse the linker tree to find the spot where the stub goes. */
292 static bfd_boolean
293 hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
294 {
295 lang_statement_union_type *l;
296 bfd_boolean ret;
298 for (; (l = *lp) != NULL; lp = &l->header.next)
299 {
300 switch (l->header.type)
301 {
302 case lang_constructors_statement_enum:
303 ret = hook_in_stub (info, &constructor_list.head);
304 if (ret)
305 return ret;
306 break;
308 case lang_output_section_statement_enum:
309 ret = hook_in_stub (info,
310 &l->output_section_statement.children.head);
311 if (ret)
312 return ret;
313 break;
315 case lang_wild_statement_enum:
316 ret = hook_in_stub (info, &l->wild_statement.children.head);
317 if (ret)
318 return ret;
319 break;
321 case lang_group_statement_enum:
322 ret = hook_in_stub (info, &l->group_statement.children.head);
323 if (ret)
324 return ret;
325 break;
327 case lang_input_section_enum:
328 if (l->input_section.section == info->input_section)
329 {
330 /* We've found our section. Insert the stub immediately
331 before its associated input section. */
332 *lp = info->add.head;
333 *(info->add.tail) = l;
334 return TRUE;
335 }
336 break;
338 case lang_data_statement_enum:
339 case lang_reloc_statement_enum:
340 case lang_object_symbols_statement_enum:
341 case lang_output_statement_enum:
342 case lang_target_statement_enum:
343 case lang_input_statement_enum:
344 case lang_assignment_statement_enum:
345 case lang_padding_statement_enum:
346 case lang_address_statement_enum:
347 case lang_fill_statement_enum:
348 break;
350 default:
351 FAIL ();
352 break;
353 }
354 }
355 return FALSE;
356 }
359 /* Call-back for ppc64_elf_size_stubs. */
361 /* Create a new stub section, and arrange for it to be linked
362 immediately before INPUT_SECTION. */
364 static asection *
365 ppc_add_stub_section (const char *stub_sec_name, asection *input_section)
366 {
367 asection *stub_sec;
368 flagword flags;
369 asection *output_section;
370 const char *secname;
371 lang_output_section_statement_type *os;
372 struct hook_stub_info info;
374 flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
375 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP);
376 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
377 stub_sec_name, flags);
378 if (stub_sec == NULL)
379 goto err_ret;
381 output_section = input_section->output_section;
382 secname = bfd_get_section_name (output_section->owner, output_section);
383 os = lang_output_section_find (secname);
385 info.input_section = input_section;
386 lang_list_init (&info.add);
387 lang_add_section (&info.add, stub_sec, os);
389 if (info.add.head == NULL)
390 goto err_ret;
392 stub_added = 1;
393 if (hook_in_stub (&info, &os->children.head))
394 return stub_sec;
396 err_ret:
397 einfo ("%X%P: can not make stub section: %E\n");
398 return NULL;
399 }
402 /* Another call-back for ppc64_elf_size_stubs. */
404 static void
405 ppc_layout_sections_again (void)
406 {
407 /* If we have changed sizes of the stub sections, then we need
408 to recalculate all the section offsets. This may mean we need to
409 add even more stubs. */
410 gld${EMULATION_NAME}_map_segments (TRUE);
412 if (!link_info.relocatable)
413 _bfd_set_gp_value (link_info.output_bfd,
414 ppc64_elf_toc (link_info.output_bfd));
416 need_laying_out = -1;
417 }
420 static void
421 build_toc_list (lang_statement_union_type *statement)
422 {
423 if (statement->header.type == lang_input_section_enum)
424 {
425 asection *i = statement->input_section.section;
427 if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag
428 && (i->flags & SEC_EXCLUDE) == 0
429 && i->output_section == toc_section)
430 {
431 if (!ppc64_elf_next_toc_section (&link_info, i))
432 einfo ("%X%P: linker script separates .got and .toc\n");
433 }
434 }
435 }
438 static void
439 build_section_lists (lang_statement_union_type *statement)
440 {
441 if (statement->header.type == lang_input_section_enum)
442 {
443 asection *i = statement->input_section.section;
445 if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag
446 && (i->flags & SEC_EXCLUDE) == 0
447 && i->output_section != NULL
448 && i->output_section->owner == link_info.output_bfd)
449 {
450 if (!ppc64_elf_next_input_section (&link_info, i))
451 einfo ("%X%P: can not size stub section: %E\n");
452 }
453 }
454 }
457 /* Call the back-end function to set TOC base after we have placed all
458 the sections. */
459 static void
460 gld${EMULATION_NAME}_after_allocation (void)
461 {
462 /* bfd_elf_discard_info just plays with data and debugging sections,
463 ie. doesn't affect code size, so we can delay resizing the
464 sections. It's likely we'll resize everything in the process of
465 adding stubs. */
466 if (bfd_elf_discard_info (link_info.output_bfd, &link_info))
467 need_laying_out = 1;
469 /* If generating a relocatable output file, then we don't have any
470 stubs. */
471 if (stub_file != NULL && !link_info.relocatable)
472 {
473 int ret = ppc64_elf_setup_section_lists (&link_info,
474 &ppc_add_stub_section,
475 &ppc_layout_sections_again);
476 if (ret < 0)
477 einfo ("%X%P: can not size stub section: %E\n");
478 else if (ret > 0)
479 {
480 ppc64_elf_start_multitoc_partition (&link_info);
482 if (!no_multi_toc)
483 {
484 toc_section = bfd_get_section_by_name (link_info.output_bfd,
485 ".got");
486 if (toc_section != NULL)
487 lang_for_each_statement (build_toc_list);
488 }
490 if (ppc64_elf_layout_multitoc (&link_info)
491 && !no_multi_toc
492 && toc_section != NULL)
493 lang_for_each_statement (build_toc_list);
495 ppc64_elf_finish_multitoc_partition (&link_info);
497 lang_for_each_statement (build_section_lists);
499 if (!ppc64_elf_check_init_fini (&link_info))
500 einfo ("%P: .init/.fini fragments use differing TOC pointers\n");
502 /* Call into the BFD backend to do the real work. */
503 if (!ppc64_elf_size_stubs (&link_info, group_size))
504 einfo ("%X%P: can not size stub section: %E\n");
505 }
506 }
508 if (need_laying_out != -1)
509 {
510 gld${EMULATION_NAME}_map_segments (need_laying_out);
512 if (!link_info.relocatable)
513 _bfd_set_gp_value (link_info.output_bfd,
514 ppc64_elf_toc (link_info.output_bfd));
515 }
516 }
519 /* Final emulation specific call. */
521 static void
522 gld${EMULATION_NAME}_finish (void)
523 {
524 /* e_entry on PowerPC64 points to the function descriptor for
525 _start. If _start is missing, default to the first function
526 descriptor in the .opd section. */
527 entry_section = ".opd";
529 if (link_info.relocatable)
530 {
531 asection *toc = bfd_get_section_by_name (link_info.output_bfd, ".toc");
532 if (toc != NULL
533 && bfd_section_size (link_info.output_bfd, toc) > 0x10000)
534 einfo ("%X%P: TOC section size exceeds 64k\n");
535 }
537 if (stub_added)
538 {
539 char *msg = NULL;
540 char *line, *endline;
542 if (emit_stub_syms < 0)
543 emit_stub_syms = 1;
544 if (!ppc64_elf_build_stubs (emit_stub_syms, &link_info,
545 config.stats ? &msg : NULL))
546 einfo ("%X%P: can not build stubs: %E\n");
548 fflush (stdout);
549 for (line = msg; line != NULL; line = endline)
550 {
551 endline = strchr (line, '\n');
552 if (endline != NULL)
553 *endline++ = '\0';
554 fprintf (stderr, "%s: %s\n", program_name, line);
555 }
556 fflush (stderr);
557 if (msg != NULL)
558 free (msg);
559 }
561 ppc64_elf_restore_symbols (&link_info);
562 finish_default ();
563 }
566 /* Add a pattern matching ".foo" for every "foo" in a version script.
568 The reason for doing this is that many shared library version
569 scripts export a selected set of functions or data symbols, forcing
570 others local. eg.
572 . VERS_1 {
573 . global:
574 . this; that; some; thing;
575 . local:
576 . *;
577 . };
579 To make the above work for PowerPC64, we need to export ".this",
580 ".that" and so on, otherwise only the function descriptor syms are
581 exported. Lack of an exported function code sym may cause a
582 definition to be pulled in from a static library. */
584 static struct bfd_elf_version_expr *
585 gld${EMULATION_NAME}_new_vers_pattern (struct bfd_elf_version_expr *entry)
586 {
587 struct bfd_elf_version_expr *dot_entry;
588 unsigned int len;
589 char *dot_pat;
591 if (!dotsyms
592 || entry->pattern[0] == '.'
593 || (!entry->literal && entry->pattern[0] == '*'))
594 return entry;
596 dot_entry = xmalloc (sizeof *dot_entry);
597 *dot_entry = *entry;
598 dot_entry->next = entry;
599 len = strlen (entry->pattern) + 2;
600 dot_pat = xmalloc (len);
601 dot_pat[0] = '.';
602 memcpy (dot_pat + 1, entry->pattern, len - 1);
603 dot_entry->pattern = dot_pat;
604 dot_entry->script = 1;
605 return dot_entry;
606 }
609 /* Avoid processing the fake stub_file in vercheck, stat_needed and
610 check_needed routines. */
612 static void (*real_func) (lang_input_statement_type *);
614 static void ppc_for_each_input_file_wrapper (lang_input_statement_type *l)
615 {
616 if (l != stub_file)
617 (*real_func) (l);
618 }
620 static void
621 ppc_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
622 {
623 real_func = func;
624 lang_for_each_input_file (&ppc_for_each_input_file_wrapper);
625 }
627 #define lang_for_each_input_file ppc_lang_for_each_input_file
629 EOF
631 if grep -q 'ld_elf32_spu_emulation' ldemul-list.h; then
632 fragment <<EOF
633 /* Special handling for embedded SPU executables. */
634 extern bfd_boolean embedded_spu_file (lang_input_statement_type *, const char *);
635 static bfd_boolean gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *);
637 static bfd_boolean
638 ppc64_recognized_file (lang_input_statement_type *entry)
639 {
640 if (embedded_spu_file (entry, "-m64"))
641 return TRUE;
643 return gld${EMULATION_NAME}_load_symbols (entry);
644 }
645 EOF
646 LDEMUL_RECOGNIZED_FILE=ppc64_recognized_file
647 fi
649 # Define some shell vars to insert bits of code into the standard elf
650 # parse_args and list_options functions.
651 #
652 PARSE_AND_LIST_PROLOGUE='
653 #define OPTION_STUBGROUP_SIZE 301
654 #define OPTION_STUBSYMS (OPTION_STUBGROUP_SIZE + 1)
655 #define OPTION_NO_STUBSYMS (OPTION_STUBSYMS + 1)
656 #define OPTION_DOTSYMS (OPTION_NO_STUBSYMS + 1)
657 #define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1)
658 #define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1)
659 #define OPTION_NO_TLS_GET_ADDR_OPT (OPTION_NO_TLS_OPT + 1)
660 #define OPTION_NO_OPD_OPT (OPTION_NO_TLS_GET_ADDR_OPT + 1)
661 #define OPTION_NO_TOC_OPT (OPTION_NO_OPD_OPT + 1)
662 #define OPTION_NO_MULTI_TOC (OPTION_NO_TOC_OPT + 1)
663 #define OPTION_NO_TOC_SORT (OPTION_NO_MULTI_TOC + 1)
664 #define OPTION_NON_OVERLAPPING_OPD (OPTION_NO_TOC_SORT + 1)
665 '
667 PARSE_AND_LIST_LONGOPTS='
668 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
669 { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS },
670 { "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS },
671 { "dotsyms", no_argument, NULL, OPTION_DOTSYMS },
672 { "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS },
673 { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT },
674 { "no-tls-get-addr-optimize", no_argument, NULL, OPTION_NO_TLS_GET_ADDR_OPT },
675 { "no-opd-optimize", no_argument, NULL, OPTION_NO_OPD_OPT },
676 { "no-toc-optimize", no_argument, NULL, OPTION_NO_TOC_OPT },
677 { "no-multi-toc", no_argument, NULL, OPTION_NO_MULTI_TOC },
678 { "no-toc-sort", no_argument, NULL, OPTION_NO_TOC_SORT },
679 { "non-overlapping-opd", no_argument, NULL, OPTION_NON_OVERLAPPING_OPD },
680 '
682 PARSE_AND_LIST_OPTIONS='
683 fprintf (file, _("\
684 --stub-group-size=N Maximum size of a group of input sections that\n\
685 can be handled by one stub section. A negative\n\
686 value locates all stubs before their branches\n\
687 (with a group size of -N), while a positive\n\
688 value allows two groups of input sections, one\n\
689 before, and one after each stub section.\n\
690 Values of +/-1 indicate the linker should\n\
691 choose suitable defaults.\n"
692 ));
693 fprintf (file, _("\
694 --emit-stub-syms Label linker stubs with a symbol.\n"
695 ));
696 fprintf (file, _("\
697 --no-emit-stub-syms Don'\''t label linker stubs with a symbol.\n"
698 ));
699 fprintf (file, _("\
700 --dotsyms For every version pattern \"foo\" in a version\n\
701 script, add \".foo\" so that function code\n\
702 symbols are treated the same as function\n\
703 descriptor symbols. Defaults to on.\n"
704 ));
705 fprintf (file, _("\
706 --no-dotsyms Don'\''t do anything special in version scripts.\n"
707 ));
708 fprintf (file, _("\
709 --no-tls-optimize Don'\''t try to optimize TLS accesses.\n"
710 ));
711 fprintf (file, _("\
712 --no-tls-get-addr-optimize Don'\''t use a special __tls_get_addr call.\n"
713 ));
714 fprintf (file, _("\
715 --no-opd-optimize Don'\''t optimize the OPD section.\n"
716 ));
717 fprintf (file, _("\
718 --no-toc-optimize Don'\''t optimize the TOC section.\n"
719 ));
720 fprintf (file, _("\
721 --no-multi-toc Disallow automatic multiple toc sections.\n"
722 ));
723 fprintf (file, _("\
724 --no-toc-sort Don'\''t sort TOC and GOT sections.\n"
725 ));
726 fprintf (file, _("\
727 --non-overlapping-opd Canonicalize .opd, so that there are no\n\
728 overlapping .opd entries.\n"
729 ));
730 '
732 PARSE_AND_LIST_ARGS_CASES='
733 case OPTION_STUBGROUP_SIZE:
734 {
735 const char *end;
736 group_size = bfd_scan_vma (optarg, &end, 0);
737 if (*end)
738 einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
739 }
740 break;
742 case OPTION_STUBSYMS:
743 emit_stub_syms = 1;
744 break;
746 case OPTION_NO_STUBSYMS:
747 emit_stub_syms = 0;
748 break;
750 case OPTION_DOTSYMS:
751 dotsyms = 1;
752 break;
754 case OPTION_NO_DOTSYMS:
755 dotsyms = 0;
756 break;
758 case OPTION_NO_TLS_OPT:
759 no_tls_opt = 1;
760 break;
762 case OPTION_NO_TLS_GET_ADDR_OPT:
763 no_tls_get_addr_opt = 1;
764 break;
766 case OPTION_NO_OPD_OPT:
767 no_opd_opt = 1;
768 break;
770 case OPTION_NO_TOC_OPT:
771 no_toc_opt = 1;
772 break;
774 case OPTION_NO_MULTI_TOC:
775 no_multi_toc = 1;
776 break;
778 case OPTION_NO_TOC_SORT:
779 no_toc_sort = 1;
780 break;
782 case OPTION_NON_OVERLAPPING_OPD:
783 non_overlapping_opd = 1;
784 break;
785 '
787 # Put these extra ppc64elf routines in ld_${EMULATION_NAME}_emulation
788 #
789 LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation
790 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
791 LDEMUL_FINISH=gld${EMULATION_NAME}_finish
792 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements
793 LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern