1 # This shell script emits a C file. -*- C -*-
2 # Copyright (C) 2002-2015 Free Software Foundation, Inc.
4 # This file is part of the GNU Binutils.
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 3 of the License, or
9 # (at your option) any later version.
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.
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., 51 Franklin Street - Fifth Floor, Boston,
22 # This file is sourced from elf32.em, and defines extra powerpc64-elf
30 #include "elf64-ppc.h"
32 #include "elf/ppc64.h"
34 static asection *ppc_add_stub_section (const char *, asection *);
35 static void ppc_layout_sections_again (void);
37 static struct ppc64_elf_params params = { NULL,
38 &ppc_add_stub_section,
39 &ppc_layout_sections_again,
41 ${DEFAULT_PLT_STATIC_CHAIN-0}, -1, 0,
44 /* Fake input file for stubs. */
45 static lang_input_statement_type *stub_file;
47 /* Whether we need to call ppc_layout_sections_again. */
48 static int need_laying_out = 0;
50 /* Whether to add ".foo" entries for each "foo" in a version script. */
51 static int dotsyms = 1;
53 /* Whether to run tls optimization. */
54 static int no_tls_opt = 0;
56 /* Whether to run opd optimization. */
57 static int no_opd_opt = 0;
59 /* Whether to run toc optimization. */
60 static int no_toc_opt = 0;
62 /* Whether to sort input toc and got sections. */
63 static int no_toc_sort = 0;
65 /* Input .toc sections will be placed in this output section. */
66 static const char *toc_section_name = ".got";
67 static asection *toc_section = 0;
69 /* This is called before the input files are opened. We create a new
70 fake input file to hold the stub sections. */
73 ppc_create_output_section_statements (void)
75 if (!(bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
76 && elf_object_id (link_info.output_bfd) == PPC64_ELF_DATA))
79 link_info.wrap_char = '.';
81 stub_file = lang_add_input_file ("linker stubs",
82 lang_input_file_is_fake_enum,
84 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
85 if (stub_file->the_bfd == NULL
86 || !bfd_set_arch_mach (stub_file->the_bfd,
87 bfd_get_arch (link_info.output_bfd),
88 bfd_get_mach (link_info.output_bfd)))
90 einfo ("%F%P: can not create BFD: %E\n");
94 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
95 ldlang_add_file (stub_file);
96 params.stub_bfd = stub_file->the_bfd;
97 if (params.save_restore_funcs < 0)
98 params.save_restore_funcs = !bfd_link_relocatable (&link_info);
99 if (!ppc64_elf_init_stub_bfd (&link_info, ¶ms))
100 einfo ("%F%P: can not init BFD: %E\n");
103 /* Called after opening files but before mapping sections. */
106 ppc_after_open (void)
108 if (stub_file != NULL && link_info.relro && params.object_in_toc)
110 /* We have a .toc section that might be written to at run time.
111 Don't put .toc into the .got output section. */
112 lang_output_section_statement_type *got;
114 got = lang_output_section_find (".got");
117 lang_statement_union_type *s;
118 for (s = got->children.head; s != NULL; s = s->header.next)
119 if (s->header.type == lang_wild_statement_enum
120 && s->wild_statement.filename == NULL)
122 struct wildcard_list **i = &s->wild_statement.section_list;
124 if (strcmp ((*i)->spec.name, ".toc") == 0)
129 /* Instead, .toc input sections will be mapped to the
130 read/write .toc output section. If user scripts don't
131 provide one then we'll lose toc sorting and multi-toc. */
132 toc_section_name = ".toc";
135 gld${EMULATION_NAME}_after_open ();
138 /* Move the input section statement at *U which happens to be on LIST
139 to be just before *TO. */
142 move_input_section (lang_statement_list_type *list,
143 lang_statement_union_type **u,
144 lang_statement_union_type **to)
146 lang_statement_union_type *s = *u;
147 asection *i = s->input_section.section;
150 /* Snip the input section from the statement list. If it was the
151 last statement, fix the list tail pointer. */
155 /* Add it back in the new position. */
156 s->header.next = *to;
158 if (list->tail == to)
159 list->tail = &s->header.next;
161 /* Trim I off the bfd map_head/map_tail doubly linked lists. */
164 (p != NULL ? p : i->output_section)->map_head.s = n;
165 (n != NULL ? n : i->output_section)->map_tail.s = p;
167 /* Add I back on in its new position. */
168 if (s->header.next->header.type == lang_input_section_enum)
170 n = s->header.next->input_section.section;
175 /* If the next statement is not an input section statement then
176 TO must point at the previous input section statement
177 header.next field. */
178 lang_input_section_type *prev = (lang_input_section_type *)
179 ((char *) to - offsetof (lang_statement_union_type, header.next));
181 ASSERT (prev->header.type == lang_input_section_enum);
187 (p != NULL ? p : i->output_section)->map_head.s = i;
188 (n != NULL ? n : i->output_section)->map_tail.s = i;
191 /* Sort input section statements in the linker script tree rooted at
192 LIST so that those whose owning bfd happens to have a section
193 called .init or .fini are placed first. Place any TOC sections
194 referenced by small TOC relocs next, with TOC sections referenced
195 only by bigtoc relocs last. */
198 sort_toc_sections (lang_statement_list_type *list,
199 lang_statement_union_type **ini,
200 lang_statement_union_type **small)
202 lang_statement_union_type *s, **u;
206 while ((s = *u) != NULL)
208 switch (s->header.type)
210 case lang_wild_statement_enum:
211 sort_toc_sections (&s->wild_statement.children, ini, small);
214 case lang_group_statement_enum:
215 sort_toc_sections (&s->group_statement.children, ini, small);
218 case lang_input_section_enum:
219 i = s->input_section.section;
220 /* Leave the stub_file .got where it is. We put the .got
222 if (i->owner == stub_file->the_bfd)
224 if (bfd_get_section_by_name (i->owner, ".init") != NULL
225 || bfd_get_section_by_name (i->owner, ".fini") != NULL)
227 if (ini != NULL && *ini != s)
229 move_input_section (list, u, ini);
231 small = &s->header.next;
232 ini = &s->header.next;
236 small = &s->header.next;
237 ini = &s->header.next;
240 else if (ini == NULL)
243 if (ppc64_elf_has_small_toc_reloc (i))
245 if (small != NULL && *small != s)
247 move_input_section (list, u, small);
248 small = &s->header.next;
251 small = &s->header.next;
253 else if (small == NULL)
265 prelim_size_sections (void)
267 if (expld.phase != lang_mark_phase_enum)
269 expld.phase = lang_mark_phase_enum;
270 expld.dataseg.phase = exp_dataseg_none;
271 one_lang_size_sections_pass (NULL, FALSE);
272 /* We must not cache anything from the preliminary sizing. */
273 lang_reset_memory_regions ();
278 ppc_before_allocation (void)
280 if (stub_file != NULL)
283 && !ppc64_elf_edit_opd (&link_info))
284 einfo ("%X%P: can not edit %s: %E\n", "opd");
286 if (ppc64_elf_tls_setup (&link_info)
289 /* Size the sections. This is premature, but we want to know the
290 TLS segment layout so that certain optimizations can be done. */
291 prelim_size_sections ();
293 if (!ppc64_elf_tls_optimize (&link_info))
294 einfo ("%X%P: TLS problem %E\n");
298 && !bfd_link_relocatable (&link_info))
300 prelim_size_sections ();
302 if (!ppc64_elf_edit_toc (&link_info))
303 einfo ("%X%P: can not edit %s: %E\n", "toc");
308 lang_output_section_statement_type *toc_os;
310 toc_os = lang_output_section_find (toc_section_name);
312 sort_toc_sections (&toc_os->children, NULL, NULL);
316 gld${EMULATION_NAME}_before_allocation ();
319 struct hook_stub_info
321 lang_statement_list_type add;
322 asection *input_section;
325 /* Traverse the linker tree to find the spot where the stub goes. */
328 hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
330 lang_statement_union_type *l;
333 for (; (l = *lp) != NULL; lp = &l->header.next)
335 switch (l->header.type)
337 case lang_constructors_statement_enum:
338 ret = hook_in_stub (info, &constructor_list.head);
343 case lang_output_section_statement_enum:
344 ret = hook_in_stub (info,
345 &l->output_section_statement.children.head);
350 case lang_wild_statement_enum:
351 ret = hook_in_stub (info, &l->wild_statement.children.head);
356 case lang_group_statement_enum:
357 ret = hook_in_stub (info, &l->group_statement.children.head);
362 case lang_input_section_enum:
363 if (l->input_section.section == info->input_section)
365 /* We've found our section. Insert the stub immediately
366 before its associated input section. */
367 *lp = info->add.head;
368 *(info->add.tail) = l;
373 case lang_data_statement_enum:
374 case lang_reloc_statement_enum:
375 case lang_object_symbols_statement_enum:
376 case lang_output_statement_enum:
377 case lang_target_statement_enum:
378 case lang_input_statement_enum:
379 case lang_assignment_statement_enum:
380 case lang_padding_statement_enum:
381 case lang_address_statement_enum:
382 case lang_fill_statement_enum:
394 /* Call-back for ppc64_elf_size_stubs. */
396 /* Create a new stub section, and arrange for it to be linked
397 immediately before INPUT_SECTION. */
400 ppc_add_stub_section (const char *stub_sec_name, asection *input_section)
404 asection *output_section;
405 lang_output_section_statement_type *os;
406 struct hook_stub_info info;
408 flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
409 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP);
410 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
411 stub_sec_name, flags);
413 || !bfd_set_section_alignment (stub_file->the_bfd, stub_sec,
414 (params.plt_stub_align > 5
415 ? params.plt_stub_align
419 output_section = input_section->output_section;
420 os = lang_output_section_get (output_section);
422 info.input_section = input_section;
423 lang_list_init (&info.add);
424 lang_add_section (&info.add, stub_sec, NULL, os);
426 if (info.add.head == NULL)
429 if (hook_in_stub (&info, &os->children.head))
433 einfo ("%X%P: can not make stub section: %E\n");
438 /* Another call-back for ppc64_elf_size_stubs. */
441 ppc_layout_sections_again (void)
443 /* If we have changed sizes of the stub sections, then we need
444 to recalculate all the section offsets. This may mean we need to
445 add even more stubs. */
446 gld${EMULATION_NAME}_map_segments (TRUE);
448 if (!bfd_link_relocatable (&link_info))
449 ppc64_elf_set_toc (&link_info, link_info.output_bfd);
451 need_laying_out = -1;
456 build_toc_list (lang_statement_union_type *statement)
458 if (statement->header.type == lang_input_section_enum)
460 asection *i = statement->input_section.section;
462 if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
463 && (i->flags & SEC_EXCLUDE) == 0
464 && i->output_section == toc_section)
466 if (!ppc64_elf_next_toc_section (&link_info, i))
467 einfo ("%X%P: linker script separates .got and .toc\n");
474 build_section_lists (lang_statement_union_type *statement)
476 if (statement->header.type == lang_input_section_enum)
478 asection *i = statement->input_section.section;
480 if (!((lang_input_statement_type *) i->owner->usrdata)->flags.just_syms
481 && (i->flags & SEC_EXCLUDE) == 0
482 && i->output_section != NULL
483 && i->output_section->owner == link_info.output_bfd)
485 if (!ppc64_elf_next_input_section (&link_info, i))
486 einfo ("%X%P: can not size stub section: %E\n");
492 /* Call the back-end function to set TOC base after we have placed all
495 gld${EMULATION_NAME}_after_allocation (void)
499 /* If generating a relocatable output file, then we don't have any
501 if (stub_file != NULL && !bfd_link_relocatable (&link_info))
503 ret = ppc64_elf_setup_section_lists (&link_info);
505 einfo ("%X%P: can not size stub section: %E\n");
508 ppc64_elf_start_multitoc_partition (&link_info);
510 if (!params.no_multi_toc)
512 toc_section = bfd_get_section_by_name (link_info.output_bfd,
514 if (toc_section != NULL)
515 lang_for_each_statement (build_toc_list);
518 if (ppc64_elf_layout_multitoc (&link_info)
519 && !params.no_multi_toc
520 && toc_section != NULL)
521 lang_for_each_statement (build_toc_list);
523 ppc64_elf_finish_multitoc_partition (&link_info);
525 lang_for_each_statement (build_section_lists);
527 if (!ppc64_elf_check_init_fini (&link_info))
528 einfo ("%P: .init/.fini fragments use differing TOC pointers\n");
530 /* Call into the BFD backend to do the real work. */
531 if (!ppc64_elf_size_stubs (&link_info))
532 einfo ("%X%P: can not size stub section: %E\n");
536 /* We can't parse and merge .eh_frame until the glink .eh_frame has
537 been generated. Otherwise the glink .eh_frame CIE won't be
538 merged with other CIEs, and worse, the glink .eh_frame FDEs won't
539 be listed in .eh_frame_hdr. */
540 ret = bfd_elf_discard_info (link_info.output_bfd, &link_info);
543 einfo ("%X%P: .eh_frame/.stab edit: %E\n");
549 /* Call map_segments regardless of the state of need_laying_out.
550 need_laying_out set to -1 means we have just laid everything out,
551 but ppc64_elf_size_stubs strips .branch_lt and .eh_frame if
552 unneeded, after ppc_layout_sections_again. Another call removes
553 these sections from the segment map. Their presence is
554 innocuous except for confusing ELF_SECTION_IN_SEGMENT. */
555 gld${EMULATION_NAME}_map_segments (need_laying_out > 0);
557 if (need_laying_out != -1 && !bfd_link_relocatable (&link_info))
558 ppc64_elf_set_toc (&link_info, link_info.output_bfd);
562 /* Final emulation specific call. */
565 gld${EMULATION_NAME}_finish (void)
568 char *line, *endline;
570 /* e_entry on PowerPC64 points to the function descriptor for
571 _start. If _start is missing, default to the first function
572 descriptor in the .opd section. */
573 if (stub_file != NULL
574 && (elf_elfheader (link_info.output_bfd)->e_flags & EF_PPC64_ABI) == 1)
575 entry_section = ".opd";
577 if (params.emit_stub_syms < 0)
578 params.emit_stub_syms = 1;
579 if (stub_file != NULL
580 && !bfd_link_relocatable (&link_info)
581 && !ppc64_elf_build_stubs (&link_info, config.stats ? &msg : NULL))
582 einfo ("%X%P: can not build stubs: %E\n");
585 for (line = msg; line != NULL; line = endline)
587 endline = strchr (line, '\n');
590 fprintf (stderr, "%s: %s\n", program_name, line);
596 ppc64_elf_restore_symbols (&link_info);
601 /* Add a pattern matching ".foo" for every "foo" in a version script.
603 The reason for doing this is that many shared library version
604 scripts export a selected set of functions or data symbols, forcing
609 . this; that; some; thing;
614 To make the above work for PowerPC64, we need to export ".this",
615 ".that" and so on, otherwise only the function descriptor syms are
616 exported. Lack of an exported function code sym may cause a
617 definition to be pulled in from a static library. */
619 static struct bfd_elf_version_expr *
620 gld${EMULATION_NAME}_new_vers_pattern (struct bfd_elf_version_expr *entry)
622 struct bfd_elf_version_expr *dot_entry;
627 || entry->pattern[0] == '.'
628 || (!entry->literal && entry->pattern[0] == '*'))
631 dot_entry = xmalloc (sizeof *dot_entry);
633 dot_entry->next = entry;
634 len = strlen (entry->pattern) + 2;
635 dot_pat = xmalloc (len);
637 memcpy (dot_pat + 1, entry->pattern, len - 1);
638 dot_entry->pattern = dot_pat;
639 dot_entry->script = 1;
644 /* Avoid processing the fake stub_file in vercheck, stat_needed and
645 check_needed routines. */
647 static void (*real_func) (lang_input_statement_type *);
649 static void ppc_for_each_input_file_wrapper (lang_input_statement_type *l)
656 ppc_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
659 lang_for_each_input_file (&ppc_for_each_input_file_wrapper);
662 #define lang_for_each_input_file ppc_lang_for_each_input_file
666 if grep -q 'ld_elf32_spu_emulation' ldemul-list.h; then
668 /* Special handling for embedded SPU executables. */
669 extern bfd_boolean embedded_spu_file (lang_input_statement_type *, const char *);
670 static bfd_boolean gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *);
673 ppc64_recognized_file (lang_input_statement_type *entry)
675 if (embedded_spu_file (entry, "-m64"))
678 return gld${EMULATION_NAME}_load_symbols (entry);
681 LDEMUL_RECOGNIZED_FILE=ppc64_recognized_file
684 # Define some shell vars to insert bits of code into the standard elf
685 # parse_args and list_options functions.
687 PARSE_AND_LIST_PROLOGUE=${PARSE_AND_LIST_PROLOGUE}'
688 #define OPTION_STUBGROUP_SIZE 321
689 #define OPTION_PLT_STATIC_CHAIN (OPTION_STUBGROUP_SIZE + 1)
690 #define OPTION_NO_PLT_STATIC_CHAIN (OPTION_PLT_STATIC_CHAIN + 1)
691 #define OPTION_PLT_THREAD_SAFE (OPTION_NO_PLT_STATIC_CHAIN + 1)
692 #define OPTION_NO_PLT_THREAD_SAFE (OPTION_PLT_THREAD_SAFE + 1)
693 #define OPTION_PLT_ALIGN (OPTION_NO_PLT_THREAD_SAFE + 1)
694 #define OPTION_NO_PLT_ALIGN (OPTION_PLT_ALIGN + 1)
695 #define OPTION_STUBSYMS (OPTION_NO_PLT_ALIGN + 1)
696 #define OPTION_NO_STUBSYMS (OPTION_STUBSYMS + 1)
697 #define OPTION_SAVRES (OPTION_NO_STUBSYMS + 1)
698 #define OPTION_NO_SAVRES (OPTION_SAVRES + 1)
699 #define OPTION_DOTSYMS (OPTION_NO_SAVRES + 1)
700 #define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1)
701 #define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1)
702 #define OPTION_NO_TLS_GET_ADDR_OPT (OPTION_NO_TLS_OPT + 1)
703 #define OPTION_NO_OPD_OPT (OPTION_NO_TLS_GET_ADDR_OPT + 1)
704 #define OPTION_NO_TOC_OPT (OPTION_NO_OPD_OPT + 1)
705 #define OPTION_NO_MULTI_TOC (OPTION_NO_TOC_OPT + 1)
706 #define OPTION_NO_TOC_SORT (OPTION_NO_MULTI_TOC + 1)
707 #define OPTION_NON_OVERLAPPING_OPD (OPTION_NO_TOC_SORT + 1)
710 PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
711 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
712 { "plt-static-chain", no_argument, NULL, OPTION_PLT_STATIC_CHAIN },
713 { "no-plt-static-chain", no_argument, NULL, OPTION_NO_PLT_STATIC_CHAIN },
714 { "plt-thread-safe", no_argument, NULL, OPTION_PLT_THREAD_SAFE },
715 { "no-plt-thread-safe", no_argument, NULL, OPTION_NO_PLT_THREAD_SAFE },
716 { "plt-align", optional_argument, NULL, OPTION_PLT_ALIGN },
717 { "no-plt-align", no_argument, NULL, OPTION_NO_PLT_ALIGN },
718 { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS },
719 { "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS },
720 { "dotsyms", no_argument, NULL, OPTION_DOTSYMS },
721 { "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS },
722 { "save-restore-funcs", no_argument, NULL, OPTION_SAVRES },
723 { "no-save-restore-funcs", no_argument, NULL, OPTION_NO_SAVRES },
724 { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT },
725 { "no-tls-get-addr-optimize", no_argument, NULL, OPTION_NO_TLS_GET_ADDR_OPT },
726 { "no-opd-optimize", no_argument, NULL, OPTION_NO_OPD_OPT },
727 { "no-toc-optimize", no_argument, NULL, OPTION_NO_TOC_OPT },
728 { "no-multi-toc", no_argument, NULL, OPTION_NO_MULTI_TOC },
729 { "no-toc-sort", no_argument, NULL, OPTION_NO_TOC_SORT },
730 { "non-overlapping-opd", no_argument, NULL, OPTION_NON_OVERLAPPING_OPD },
733 PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'
735 --stub-group-size=N Maximum size of a group of input sections that\n\
736 can be handled by one stub section. A negative\n\
737 value locates all stubs before their branches\n\
738 (with a group size of -N), while a positive\n\
739 value allows two groups of input sections, one\n\
740 before, and one after each stub section.\n\
741 Values of +/-1 indicate the linker should\n\
742 choose suitable defaults.\n"
745 --plt-static-chain PLT call stubs should load r11.${DEFAULT_PLT_STATIC_CHAIN- (default)}\n"
748 --no-plt-static-chain PLT call stubs should not load r11.${DEFAULT_PLT_STATIC_CHAIN+ (default)}\n"
751 --plt-thread-safe PLT call stubs with load-load barrier.\n"
754 --no-plt-thread-safe PLT call stubs without barrier.\n"
757 --plt-align [=<align>] Align PLT call stubs to fit cache lines.\n"
760 --no-plt-align Dont'\''t align individual PLT call stubs.\n"
763 --emit-stub-syms Label linker stubs with a symbol.\n"
766 --no-emit-stub-syms Don'\''t label linker stubs with a symbol.\n"
769 --dotsyms For every version pattern \"foo\" in a version\n\
770 script, add \".foo\" so that function code\n\
771 symbols are treated the same as function\n\
772 descriptor symbols. Defaults to on.\n"
775 --no-dotsyms Don'\''t do anything special in version scripts.\n"
778 --save-restore-funcs Provide register save and restore routines used\n\
779 by gcc -Os code. Defaults to on for normal\n\
780 final link, off for ld -r.\n"
783 --no-save-restore-funcs Don'\''t provide these routines.\n"
786 --no-tls-optimize Don'\''t try to optimize TLS accesses.\n"
789 --no-tls-get-addr-optimize Don'\''t use a special __tls_get_addr call.\n"
792 --no-opd-optimize Don'\''t optimize the OPD section.\n"
795 --no-toc-optimize Don'\''t optimize the TOC section.\n"
798 --no-multi-toc Disallow automatic multiple toc sections.\n"
801 --no-toc-sort Don'\''t sort TOC and GOT sections.\n"
804 --non-overlapping-opd Canonicalize .opd, so that there are no\n\
805 overlapping .opd entries.\n"
809 PARSE_AND_LIST_ARGS_CASES=${PARSE_AND_LIST_ARGS_CASES}'
810 case OPTION_STUBGROUP_SIZE:
813 params.group_size = bfd_scan_vma (optarg, &end, 0);
815 einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
819 case OPTION_PLT_STATIC_CHAIN:
820 params.plt_static_chain = 1;
823 case OPTION_NO_PLT_STATIC_CHAIN:
824 params.plt_static_chain = 0;
827 case OPTION_PLT_THREAD_SAFE:
828 params.plt_thread_safe = 1;
831 case OPTION_NO_PLT_THREAD_SAFE:
832 params.plt_thread_safe = 0;
835 case OPTION_PLT_ALIGN:
839 unsigned long val = strtoul (optarg, &end, 0);
841 einfo (_("%P%F: invalid --plt-align `%s'\''\n"), optarg);
842 params.plt_stub_align = val;
845 params.plt_stub_align = 5;
848 case OPTION_NO_PLT_ALIGN:
849 params.plt_stub_align = 0;
852 case OPTION_STUBSYMS:
853 params.emit_stub_syms = 1;
856 case OPTION_NO_STUBSYMS:
857 params.emit_stub_syms = 0;
864 case OPTION_NO_DOTSYMS:
869 params.save_restore_funcs = 1;
872 case OPTION_NO_SAVRES:
873 params.save_restore_funcs = 0;
876 case OPTION_NO_TLS_OPT:
880 case OPTION_NO_TLS_GET_ADDR_OPT:
881 params.no_tls_get_addr_opt = 1;
884 case OPTION_NO_OPD_OPT:
888 case OPTION_NO_TOC_OPT:
892 case OPTION_NO_MULTI_TOC:
893 params.no_multi_toc = 1;
896 case OPTION_NO_TOC_SORT:
900 case OPTION_NON_OVERLAPPING_OPD:
901 params.non_overlapping_opd = 1;
904 case OPTION_TRADITIONAL_FORMAT:
906 params.no_tls_get_addr_opt = 1;
909 params.no_multi_toc = 1;
911 params.plt_static_chain = 1;
915 # Put these extra ppc64elf routines in ld_${EMULATION_NAME}_emulation
917 LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern
918 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements
919 LDEMUL_AFTER_OPEN=ppc_after_open
920 LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation
921 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
922 LDEMUL_FINISH=gld${EMULATION_NAME}_finish