1 # This shell script emits a C file. -*- C -*-
2 # Copyright (C) 2002-2020 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 elf.em, and defines extra powerpc64-elf
29 #include "elf64-ppc.h"
31 #include "elf/ppc64.h"
33 static asection *ppc_add_stub_section (const char *, asection *);
34 static void ppc_layout_sections_again (void);
36 static struct ppc64_elf_params params = { NULL,
37 &ppc_add_stub_section,
38 &ppc_layout_sections_again,
40 ${DEFAULT_PLT_STATIC_CHAIN-0}, -1, 5,
41 -1, -1, 0, -1, -1, 0};
43 /* Fake input file for stubs. */
44 static lang_input_statement_type *stub_file;
46 /* Whether we need to call ppc_layout_sections_again. */
47 static int need_laying_out = 0;
49 /* Whether to add ".foo" entries for each "foo" in a version script. */
50 static int dotsyms = 1;
52 /* Whether to run tls optimization. */
53 static int no_tls_opt = 0;
55 /* Whether to run opd optimization. */
56 static int no_opd_opt = 0;
58 /* Whether to convert inline PLT calls to direct. */
59 static int no_inline_opt = 0;
61 /* Whether to run toc optimization. */
62 static int no_toc_opt = 0;
64 /* Whether to sort input toc and got sections. */
65 static int no_toc_sort = 0;
67 /* Input .toc sections will be placed in this output section. */
68 static const char *toc_section_name = ".got";
69 static asection *toc_section = 0;
71 /* This is called before the input files are opened. We create a new
72 fake input file to hold the stub sections. */
75 ppc_create_output_section_statements (void)
77 if (!(bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
78 && elf_object_id (link_info.output_bfd) == PPC64_ELF_DATA))
81 link_info.wrap_char = '.';
83 stub_file = lang_add_input_file ("linker stubs",
84 lang_input_file_is_fake_enum,
86 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
87 if (stub_file->the_bfd == NULL
88 || !bfd_set_arch_mach (stub_file->the_bfd,
89 bfd_get_arch (link_info.output_bfd),
90 bfd_get_mach (link_info.output_bfd)))
92 einfo (_("%F%P: can not create BFD: %E\n"));
96 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
97 ldlang_add_file (stub_file);
98 params.stub_bfd = stub_file->the_bfd;
99 if (params.save_restore_funcs < 0)
100 params.save_restore_funcs = !bfd_link_relocatable (&link_info);
101 if (!ppc64_elf_init_stub_bfd (&link_info, ¶ms))
102 einfo (_("%F%P: can not init BFD: %E\n"));
105 /* Called after opening files but before mapping sections. */
108 ppc_after_open (void)
110 if (stub_file != NULL && link_info.relro && params.object_in_toc)
112 /* We have a .toc section that might be written to at run time.
113 Don't put .toc into the .got output section. */
114 lang_output_section_statement_type *got;
116 got = lang_output_section_find (".got");
119 lang_statement_union_type *s;
120 for (s = got->children.head; s != NULL; s = s->header.next)
121 if (s->header.type == lang_wild_statement_enum
122 && s->wild_statement.filename == NULL)
124 struct wildcard_list **i = &s->wild_statement.section_list;
126 if (strcmp ((*i)->spec.name, ".toc") == 0)
131 /* Instead, .toc input sections will be mapped to the
132 read/write .toc output section. If user scripts don't
133 provide one then we'll lose toc sorting and multi-toc. */
134 toc_section_name = ".toc";
137 gld${EMULATION_NAME}_after_open ();
140 /* Move the input section statement at *U which happens to be on LIST
141 to be just before *TO. */
144 move_input_section (lang_statement_list_type *list,
145 lang_statement_union_type **u,
146 lang_statement_union_type **to)
148 lang_statement_union_type *s = *u;
149 asection *i = s->input_section.section;
152 /* Snip the input section from the statement list. If it was the
153 last statement, fix the list tail pointer. */
157 /* Add it back in the new position. */
158 s->header.next = *to;
160 if (list->tail == to)
161 list->tail = &s->header.next;
163 /* Trim I off the bfd map_head/map_tail doubly linked lists. */
166 (p != NULL ? p : i->output_section)->map_head.s = n;
167 (n != NULL ? n : i->output_section)->map_tail.s = p;
169 /* Add I back on in its new position. */
170 if (s->header.next->header.type == lang_input_section_enum)
172 n = s->header.next->input_section.section;
177 /* If the next statement is not an input section statement then
178 TO must point at the previous input section statement
179 header.next field. */
180 lang_input_section_type *prev = (lang_input_section_type *)
181 ((char *) to - offsetof (lang_statement_union_type, header.next));
183 ASSERT (prev->header.type == lang_input_section_enum);
189 (p != NULL ? p : i->output_section)->map_head.s = i;
190 (n != NULL ? n : i->output_section)->map_tail.s = i;
193 /* Sort input section statements in the linker script tree rooted at
194 LIST so that those whose owning bfd happens to have a section
195 called .init or .fini are placed first. Place any TOC sections
196 referenced by small TOC relocs next, with TOC sections referenced
197 only by bigtoc relocs last. */
200 sort_toc_sections (lang_statement_list_type *list,
201 lang_statement_union_type **ini,
202 lang_statement_union_type **small)
204 lang_statement_union_type *s, **u;
208 while ((s = *u) != NULL)
210 switch (s->header.type)
212 case lang_wild_statement_enum:
213 sort_toc_sections (&s->wild_statement.children, ini, small);
216 case lang_group_statement_enum:
217 sort_toc_sections (&s->group_statement.children, ini, small);
220 case lang_input_section_enum:
221 i = s->input_section.section;
222 /* Leave the stub_file .got where it is. We put the .got
224 if (i->owner == stub_file->the_bfd)
226 if (bfd_get_section_by_name (i->owner, ".init") != NULL
227 || bfd_get_section_by_name (i->owner, ".fini") != NULL)
229 if (ini != NULL && *ini != s)
231 move_input_section (list, u, ini);
233 small = &s->header.next;
234 ini = &s->header.next;
238 small = &s->header.next;
239 ini = &s->header.next;
242 else if (ini == NULL)
245 if (ppc64_elf_has_small_toc_reloc (i))
247 if (small != NULL && *small != s)
249 move_input_section (list, u, small);
250 small = &s->header.next;
253 small = &s->header.next;
255 else if (small == NULL)
267 prelim_size_sections (void)
269 if (expld.phase != lang_mark_phase_enum)
271 expld.phase = lang_mark_phase_enum;
272 expld.dataseg.phase = exp_seg_none;
273 one_lang_size_sections_pass (NULL, FALSE);
274 /* We must not cache anything from the preliminary sizing. */
275 lang_reset_memory_regions ();
280 ppc_before_allocation (void)
282 if (stub_file != NULL)
285 && !ppc64_elf_edit_opd (&link_info))
286 einfo (_("%X%P: can not edit %s: %E\n"), "opd");
289 && !bfd_link_relocatable (&link_info))
291 prelim_size_sections ();
293 if (!ppc64_elf_inline_plt (&link_info))
294 einfo (_("%X%P: inline PLT: %E\n"));
297 if (ppc64_elf_tls_setup (&link_info)
300 /* Size the sections. This is premature, but we want to know the
301 TLS segment layout so that certain optimizations can be done. */
302 prelim_size_sections ();
304 if (!ppc64_elf_tls_optimize (&link_info))
305 einfo (_("%X%P: TLS problem %E\n"));
309 && !bfd_link_relocatable (&link_info))
311 prelim_size_sections ();
313 if (!ppc64_elf_edit_toc (&link_info))
314 einfo (_("%X%P: can not edit %s: %E\n"), "toc");
319 lang_output_section_statement_type *toc_os;
321 toc_os = lang_output_section_find (toc_section_name);
323 sort_toc_sections (&toc_os->children, NULL, NULL);
327 gld${EMULATION_NAME}_before_allocation ();
330 struct hook_stub_info
332 lang_statement_list_type add;
333 asection *input_section;
336 /* Traverse the linker tree to find the spot where the stub goes. */
339 hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
341 lang_statement_union_type *l;
344 for (; (l = *lp) != NULL; lp = &l->header.next)
346 switch (l->header.type)
348 case lang_constructors_statement_enum:
349 ret = hook_in_stub (info, &constructor_list.head);
354 case lang_output_section_statement_enum:
355 ret = hook_in_stub (info,
356 &l->output_section_statement.children.head);
361 case lang_wild_statement_enum:
362 ret = hook_in_stub (info, &l->wild_statement.children.head);
367 case lang_group_statement_enum:
368 ret = hook_in_stub (info, &l->group_statement.children.head);
373 case lang_input_section_enum:
374 if (l->input_section.section == info->input_section)
376 /* We've found our section. Insert the stub immediately
377 before its associated input section. */
378 *lp = info->add.head;
379 *(info->add.tail) = l;
384 case lang_data_statement_enum:
385 case lang_reloc_statement_enum:
386 case lang_object_symbols_statement_enum:
387 case lang_output_statement_enum:
388 case lang_target_statement_enum:
389 case lang_input_statement_enum:
390 case lang_assignment_statement_enum:
391 case lang_padding_statement_enum:
392 case lang_address_statement_enum:
393 case lang_fill_statement_enum:
405 /* Call-back for ppc64_elf_size_stubs. */
407 /* Create a new stub section, and arrange for it to be linked
408 immediately before INPUT_SECTION. */
411 ppc_add_stub_section (const char *stub_sec_name, asection *input_section)
415 asection *output_section;
416 lang_output_section_statement_type *os;
417 struct hook_stub_info info;
419 flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
420 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP);
421 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
422 stub_sec_name, flags);
424 || !bfd_set_section_alignment (stub_sec, (params.plt_stub_align > 5
425 ? params.plt_stub_align
426 : params.plt_stub_align < -5
427 ? -params.plt_stub_align
431 output_section = input_section->output_section;
432 os = lang_output_section_get (output_section);
434 info.input_section = input_section;
435 lang_list_init (&info.add);
436 lang_add_section (&info.add, stub_sec, NULL, os);
438 if (info.add.head == NULL)
441 if (hook_in_stub (&info, &os->children.head))
445 einfo (_("%X%P: can not make stub section: %E\n"));
450 /* Another call-back for ppc64_elf_size_stubs. */
453 ppc_layout_sections_again (void)
455 /* If we have changed sizes of the stub sections, then we need
456 to recalculate all the section offsets. This may mean we need to
457 add even more stubs. */
458 ldelf_map_segments (TRUE);
460 if (!bfd_link_relocatable (&link_info))
461 ppc64_elf_set_toc (&link_info, link_info.output_bfd);
463 need_laying_out = -1;
468 build_toc_list (lang_statement_union_type *statement)
470 if (statement->header.type == lang_input_section_enum)
472 asection *i = statement->input_section.section;
474 if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
475 && (i->flags & SEC_EXCLUDE) == 0
476 && i->output_section == toc_section)
478 if (!ppc64_elf_next_toc_section (&link_info, i))
479 einfo (_("%X%P: linker script separates .got and .toc\n"));
486 build_section_lists (lang_statement_union_type *statement)
488 if (statement->header.type == lang_input_section_enum)
490 asection *i = statement->input_section.section;
492 if (!bfd_input_just_syms (i->owner)
493 && (i->flags & SEC_EXCLUDE) == 0
494 && i->output_section != NULL
495 && i->output_section->owner == link_info.output_bfd)
497 if (!ppc64_elf_next_input_section (&link_info, i))
498 einfo (_("%X%P: can not size stub section: %E\n"));
504 /* Call the back-end function to set TOC base after we have placed all
507 gld${EMULATION_NAME}_after_allocation (void)
511 /* If generating a relocatable output file, then we don't have any
513 if (stub_file != NULL && !bfd_link_relocatable (&link_info))
515 ret = ppc64_elf_setup_section_lists (&link_info);
517 einfo (_("%X%P: can not size stub section: %E\n"));
520 ppc64_elf_start_multitoc_partition (&link_info);
522 if (!params.no_multi_toc)
524 toc_section = bfd_get_section_by_name (link_info.output_bfd,
526 if (toc_section != NULL)
527 lang_for_each_statement (build_toc_list);
530 if (ppc64_elf_layout_multitoc (&link_info)
531 && !params.no_multi_toc
532 && toc_section != NULL)
533 lang_for_each_statement (build_toc_list);
535 ppc64_elf_finish_multitoc_partition (&link_info);
537 lang_for_each_statement (build_section_lists);
539 if (!ppc64_elf_check_init_fini (&link_info))
540 einfo (_("%P: .init/.fini fragments use differing TOC pointers\n"));
542 /* Call into the BFD backend to do the real work. */
543 if (!ppc64_elf_size_stubs (&link_info))
544 einfo (_("%X%P: can not size stub section: %E\n"));
548 /* We can't parse and merge .eh_frame until the glink .eh_frame has
549 been generated. Otherwise the glink .eh_frame CIE won't be
550 merged with other CIEs, and worse, the glink .eh_frame FDEs won't
551 be listed in .eh_frame_hdr. */
552 ret = bfd_elf_discard_info (link_info.output_bfd, &link_info);
555 einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
561 /* Call map_segments regardless of the state of need_laying_out.
562 need_laying_out set to -1 means we have just laid everything out,
563 but ppc64_elf_size_stubs strips .branch_lt and .eh_frame if
564 unneeded, after ppc_layout_sections_again. Another call removes
565 these sections from the segment map. Their presence is
566 innocuous except for confusing ELF_SECTION_IN_SEGMENT. */
567 ldelf_map_segments (need_laying_out > 0);
569 if (need_laying_out != -1 && !bfd_link_relocatable (&link_info))
570 ppc64_elf_set_toc (&link_info, link_info.output_bfd);
574 /* Final emulation specific call. */
577 gld${EMULATION_NAME}_finish (void)
580 char *line, *endline;
582 /* e_entry on PowerPC64 points to the function descriptor for
583 _start. If _start is missing, default to the first function
584 descriptor in the .opd section. */
585 if (stub_file != NULL
586 && (elf_elfheader (link_info.output_bfd)->e_flags & EF_PPC64_ABI) == 1)
587 entry_section = ".opd";
589 if (params.emit_stub_syms < 0)
590 params.emit_stub_syms = 1;
591 if (stub_file != NULL
592 && !bfd_link_relocatable (&link_info)
593 && !ppc64_elf_build_stubs (&link_info, config.stats ? &msg : NULL))
594 einfo (_("%X%P: can not build stubs: %E\n"));
597 for (line = msg; line != NULL; line = endline)
599 endline = strchr (line, '\n');
602 fprintf (stderr, "%s: %s\n", program_name, line);
611 /* Add a pattern matching ".foo" for every "foo" in a version script.
613 The reason for doing this is that many shared library version
614 scripts export a selected set of functions or data symbols, forcing
619 . this; that; some; thing;
624 To make the above work for PowerPC64, we need to export ".this",
625 ".that" and so on, otherwise only the function descriptor syms are
626 exported. Lack of an exported function code sym may cause a
627 definition to be pulled in from a static library. */
629 static struct bfd_elf_version_expr *
630 gld${EMULATION_NAME}_new_vers_pattern (struct bfd_elf_version_expr *entry)
632 struct bfd_elf_version_expr *dot_entry;
637 || entry->pattern[0] == '.'
638 || (!entry->literal && entry->pattern[0] == '*'))
641 dot_entry = xmalloc (sizeof *dot_entry);
643 dot_entry->next = entry;
644 len = strlen (entry->pattern) + 2;
645 dot_pat = xmalloc (len);
647 memcpy (dot_pat + 1, entry->pattern, len - 1);
648 dot_entry->pattern = dot_pat;
649 dot_entry->script = 1;
655 if grep -q 'ld_elf32_spu_emulation' ldemul-list.h; then
657 /* Special handling for embedded SPU executables. */
658 extern bfd_boolean embedded_spu_file (lang_input_statement_type *, const char *);
661 ppc64_recognized_file (lang_input_statement_type *entry)
663 if (embedded_spu_file (entry, "-m64"))
666 return ldelf_load_symbols (entry);
669 LDEMUL_RECOGNIZED_FILE=ppc64_recognized_file
672 # Define some shell vars to insert bits of code into the standard elf
673 # parse_args and list_options functions.
675 PARSE_AND_LIST_PROLOGUE=${PARSE_AND_LIST_PROLOGUE}'
678 OPTION_STUBGROUP_SIZE = 321,
679 OPTION_PLT_STATIC_CHAIN,
680 OPTION_NO_PLT_STATIC_CHAIN,
681 OPTION_PLT_THREAD_SAFE,
682 OPTION_NO_PLT_THREAD_SAFE,
685 OPTION_PLT_LOCALENTRY,
686 OPTION_NO_PLT_LOCALENTRY,
687 OPTION_POWER10_STUBS,
688 OPTION_NO_POWER10_STUBS,
696 OPTION_TLS_GET_ADDR_OPT,
697 OPTION_NO_TLS_GET_ADDR_OPT,
698 OPTION_TLS_GET_ADDR_REGSAVE,
699 OPTION_NO_TLS_GET_ADDR_REGSAVE,
701 OPTION_NO_INLINE_OPT,
705 OPTION_NON_OVERLAPPING_OPD
709 PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
710 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
711 { "plt-static-chain", no_argument, NULL, OPTION_PLT_STATIC_CHAIN },
712 { "no-plt-static-chain", no_argument, NULL, OPTION_NO_PLT_STATIC_CHAIN },
713 { "plt-thread-safe", no_argument, NULL, OPTION_PLT_THREAD_SAFE },
714 { "no-plt-thread-safe", no_argument, NULL, OPTION_NO_PLT_THREAD_SAFE },
715 { "plt-align", optional_argument, NULL, OPTION_PLT_ALIGN },
716 { "no-plt-align", no_argument, NULL, OPTION_NO_PLT_ALIGN },
717 { "plt-localentry", optional_argument, NULL, OPTION_PLT_LOCALENTRY },
718 { "no-plt-localentry", no_argument, NULL, OPTION_NO_PLT_LOCALENTRY },
719 { "power10-stubs", no_argument, NULL, OPTION_POWER10_STUBS },
720 { "no-power10-stubs", no_argument, NULL, OPTION_NO_POWER10_STUBS },
721 { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS },
722 { "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS },
723 { "dotsyms", no_argument, NULL, OPTION_DOTSYMS },
724 { "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS },
725 { "save-restore-funcs", no_argument, NULL, OPTION_SAVRES },
726 { "no-save-restore-funcs", no_argument, NULL, OPTION_NO_SAVRES },
727 { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT },
728 { "tls-get-addr-optimize", no_argument, NULL, OPTION_TLS_GET_ADDR_OPT },
729 { "no-tls-get-addr-optimize", no_argument, NULL, OPTION_NO_TLS_GET_ADDR_OPT },
730 { "tls-get-addr-regsave", no_argument, NULL, OPTION_TLS_GET_ADDR_REGSAVE },
731 { "no-tls-get-addr-regsave", no_argument, NULL, OPTION_NO_TLS_GET_ADDR_REGSAVE},
732 { "no-opd-optimize", no_argument, NULL, OPTION_NO_OPD_OPT },
733 { "no-inline-optimize", no_argument, NULL, OPTION_NO_INLINE_OPT },
734 { "no-toc-optimize", no_argument, NULL, OPTION_NO_TOC_OPT },
735 { "no-multi-toc", no_argument, NULL, OPTION_NO_MULTI_TOC },
736 { "no-toc-sort", no_argument, NULL, OPTION_NO_TOC_SORT },
737 { "non-overlapping-opd", no_argument, NULL, OPTION_NON_OVERLAPPING_OPD },
740 PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'
742 --stub-group-size=N Maximum size of a group of input sections that\n\
743 can be handled by one stub section. A negative\n\
744 value locates all stubs before their branches\n\
745 (with a group size of -N), while a positive\n\
746 value allows two groups of input sections, one\n\
747 before, and one after each stub section.\n\
748 Values of +/-1 indicate the linker should\n\
749 choose suitable defaults.\n"
752 --plt-static-chain PLT call stubs should load r11'${DEFAULT_PLT_STATIC_CHAIN- (default)}'\n"
755 --no-plt-static-chain PLT call stubs should not load r11'${DEFAULT_PLT_STATIC_CHAIN+ (default)}'\n"
758 --plt-thread-safe PLT call stubs with load-load barrier\n"
761 --no-plt-thread-safe PLT call stubs without barrier\n"
764 --plt-align [=<align>] Align PLT call stubs to fit cache lines\n"
767 --no-plt-align Dont'\''t align individual PLT call stubs\n"
770 --plt-localentry Optimize calls to ELFv2 localentry:0 functions\n"
773 --no-plt-localentry Don'\''t optimize ELFv2 calls\n"
776 --power10-stubs Use Power10 PLT call stubs (default auto)\n"
779 --no-power10-stubs Don'\''t use Power10 PLT call stubs\n"
782 --emit-stub-syms Label linker stubs with a symbol\n"
785 --no-emit-stub-syms Don'\''t label linker stubs with a symbol\n"
788 --dotsyms For every version pattern \"foo\" in a version\n\
789 script, add \".foo\" so that function code\n\
790 symbols are treated the same as function\n\
791 descriptor symbols. Defaults to on.\n"
794 --no-dotsyms Don'\''t do anything special in version scripts\n"
797 --save-restore-funcs Provide register save and restore routines used\n\
798 by gcc -Os code. Defaults to on for normal\n\
799 final link, off for ld -r.\n"
802 --no-save-restore-funcs Don'\''t provide these routines\n"
805 --no-tls-optimize Don'\''t try to optimize TLS accesses\n"
808 --tls-get-addr-optimize Force use of special __tls_get_addr call\n"
811 --no-tls-get-addr-optimize Don'\''t use a special __tls_get_addr call\n"
814 --tls-get-addr-regsave Force register save __tls_get_addr stub\n"
817 --no-tls-get-addr-regsave Don'\''t use register save __tls_get_addr stub\n"
820 --no-opd-optimize Don'\''t optimize the OPD section\n"
823 --no-inline-optimize Don'\''t convert inline PLT to direct calls\n"
826 --no-toc-optimize Don'\''t optimize the TOC section\n"
829 --no-multi-toc Disallow automatic multiple toc sections\n"
832 --no-toc-sort Don'\''t sort TOC and GOT sections\n"
835 --non-overlapping-opd Canonicalize .opd, so that there are no\n\
836 overlapping .opd entries\n"
840 PARSE_AND_LIST_ARGS_CASES=${PARSE_AND_LIST_ARGS_CASES}'
841 case OPTION_STUBGROUP_SIZE:
844 params.group_size = bfd_scan_vma (optarg, &end, 0);
846 einfo (_("%F%P: invalid number `%s'\''\n"), optarg);
850 case OPTION_PLT_STATIC_CHAIN:
851 params.plt_static_chain = 1;
854 case OPTION_NO_PLT_STATIC_CHAIN:
855 params.plt_static_chain = 0;
858 case OPTION_PLT_THREAD_SAFE:
859 params.plt_thread_safe = 1;
862 case OPTION_NO_PLT_THREAD_SAFE:
863 params.plt_thread_safe = 0;
866 case OPTION_PLT_ALIGN:
870 long val = strtol (optarg, &end, 0);
871 if (*end || (unsigned long) val + 8 > 16)
872 einfo (_("%F%P: invalid --plt-align `%s'\''\n"), optarg);
873 params.plt_stub_align = val;
876 params.plt_stub_align = 5;
879 case OPTION_NO_PLT_ALIGN:
880 params.plt_stub_align = 0;
883 case OPTION_PLT_LOCALENTRY:
884 params.plt_localentry0 = 1;
887 case OPTION_NO_PLT_LOCALENTRY:
888 params.plt_localentry0 = 0;
891 case OPTION_POWER10_STUBS:
892 params.power10_stubs = 1;
895 case OPTION_NO_POWER10_STUBS:
896 params.power10_stubs = 0;
899 case OPTION_STUBSYMS:
900 params.emit_stub_syms = 1;
903 case OPTION_NO_STUBSYMS:
904 params.emit_stub_syms = 0;
911 case OPTION_NO_DOTSYMS:
916 params.save_restore_funcs = 1;
919 case OPTION_NO_SAVRES:
920 params.save_restore_funcs = 0;
923 case OPTION_NO_TLS_OPT:
927 case OPTION_TLS_GET_ADDR_OPT:
928 params.tls_get_addr_opt = 1;
931 case OPTION_NO_TLS_GET_ADDR_OPT:
932 params.tls_get_addr_opt = 0;
935 case OPTION_TLS_GET_ADDR_REGSAVE:
936 params.no_tls_get_addr_regsave = 0;
939 case OPTION_NO_TLS_GET_ADDR_REGSAVE:
940 params.no_tls_get_addr_regsave = 1;
943 case OPTION_NO_OPD_OPT:
947 case OPTION_NO_INLINE_OPT:
951 case OPTION_NO_TOC_OPT:
955 case OPTION_NO_MULTI_TOC:
956 params.no_multi_toc = 1;
959 case OPTION_NO_TOC_SORT:
963 case OPTION_NON_OVERLAPPING_OPD:
964 params.non_overlapping_opd = 1;
967 case OPTION_TRADITIONAL_FORMAT:
969 params.tls_get_addr_opt = 0;
972 params.no_multi_toc = 1;
974 params.plt_static_chain = 1;
978 # Put these extra ppc64elf routines in ld_${EMULATION_NAME}_emulation
980 LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern
981 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements
982 LDEMUL_AFTER_OPEN=ppc_after_open
983 LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation
984 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
985 LDEMUL_FINISH=gld${EMULATION_NAME}_finish