1 # This shell script emits a C file. -*- C -*-
2 # Copyright (C) 2002-2018 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
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,
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 run toc optimization. */
59 static int no_toc_opt = 0;
61 /* Whether to sort input toc and got sections. */
62 static int no_toc_sort = 0;
64 /* Input .toc sections will be placed in this output section. */
65 static const char *toc_section_name = ".got";
66 static asection *toc_section = 0;
68 /* This is called before the input files are opened. We create a new
69 fake input file to hold the stub sections. */
72 ppc_create_output_section_statements (void)
74 if (!(bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
75 && elf_object_id (link_info.output_bfd) == PPC64_ELF_DATA))
78 link_info.wrap_char = '.';
80 stub_file = lang_add_input_file ("linker stubs",
81 lang_input_file_is_fake_enum,
83 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
84 if (stub_file->the_bfd == NULL
85 || !bfd_set_arch_mach (stub_file->the_bfd,
86 bfd_get_arch (link_info.output_bfd),
87 bfd_get_mach (link_info.output_bfd)))
89 einfo (_("%F%P: can not create BFD: %E\n"));
93 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
94 ldlang_add_file (stub_file);
95 params.stub_bfd = stub_file->the_bfd;
96 if (params.save_restore_funcs < 0)
97 params.save_restore_funcs = !bfd_link_relocatable (&link_info);
98 if (!ppc64_elf_init_stub_bfd (&link_info, ¶ms))
99 einfo (_("%F%P: can not init BFD: %E\n"));
102 /* Called after opening files but before mapping sections. */
105 ppc_after_open (void)
107 if (stub_file != NULL && link_info.relro && params.object_in_toc)
109 /* We have a .toc section that might be written to at run time.
110 Don't put .toc into the .got output section. */
111 lang_output_section_statement_type *got;
113 got = lang_output_section_find (".got");
116 lang_statement_union_type *s;
117 for (s = got->children.head; s != NULL; s = s->header.next)
118 if (s->header.type == lang_wild_statement_enum
119 && s->wild_statement.filename == NULL)
121 struct wildcard_list **i = &s->wild_statement.section_list;
123 if (strcmp ((*i)->spec.name, ".toc") == 0)
128 /* Instead, .toc input sections will be mapped to the
129 read/write .toc output section. If user scripts don't
130 provide one then we'll lose toc sorting and multi-toc. */
131 toc_section_name = ".toc";
134 gld${EMULATION_NAME}_after_open ();
137 /* Move the input section statement at *U which happens to be on LIST
138 to be just before *TO. */
141 move_input_section (lang_statement_list_type *list,
142 lang_statement_union_type **u,
143 lang_statement_union_type **to)
145 lang_statement_union_type *s = *u;
146 asection *i = s->input_section.section;
149 /* Snip the input section from the statement list. If it was the
150 last statement, fix the list tail pointer. */
154 /* Add it back in the new position. */
155 s->header.next = *to;
157 if (list->tail == to)
158 list->tail = &s->header.next;
160 /* Trim I off the bfd map_head/map_tail doubly linked lists. */
163 (p != NULL ? p : i->output_section)->map_head.s = n;
164 (n != NULL ? n : i->output_section)->map_tail.s = p;
166 /* Add I back on in its new position. */
167 if (s->header.next->header.type == lang_input_section_enum)
169 n = s->header.next->input_section.section;
174 /* If the next statement is not an input section statement then
175 TO must point at the previous input section statement
176 header.next field. */
177 lang_input_section_type *prev = (lang_input_section_type *)
178 ((char *) to - offsetof (lang_statement_union_type, header.next));
180 ASSERT (prev->header.type == lang_input_section_enum);
186 (p != NULL ? p : i->output_section)->map_head.s = i;
187 (n != NULL ? n : i->output_section)->map_tail.s = i;
190 /* Sort input section statements in the linker script tree rooted at
191 LIST so that those whose owning bfd happens to have a section
192 called .init or .fini are placed first. Place any TOC sections
193 referenced by small TOC relocs next, with TOC sections referenced
194 only by bigtoc relocs last. */
197 sort_toc_sections (lang_statement_list_type *list,
198 lang_statement_union_type **ini,
199 lang_statement_union_type **small)
201 lang_statement_union_type *s, **u;
205 while ((s = *u) != NULL)
207 switch (s->header.type)
209 case lang_wild_statement_enum:
210 sort_toc_sections (&s->wild_statement.children, ini, small);
213 case lang_group_statement_enum:
214 sort_toc_sections (&s->group_statement.children, ini, small);
217 case lang_input_section_enum:
218 i = s->input_section.section;
219 /* Leave the stub_file .got where it is. We put the .got
221 if (i->owner == stub_file->the_bfd)
223 if (bfd_get_section_by_name (i->owner, ".init") != NULL
224 || bfd_get_section_by_name (i->owner, ".fini") != NULL)
226 if (ini != NULL && *ini != s)
228 move_input_section (list, u, ini);
230 small = &s->header.next;
231 ini = &s->header.next;
235 small = &s->header.next;
236 ini = &s->header.next;
239 else if (ini == NULL)
242 if (ppc64_elf_has_small_toc_reloc (i))
244 if (small != NULL && *small != s)
246 move_input_section (list, u, small);
247 small = &s->header.next;
250 small = &s->header.next;
252 else if (small == NULL)
264 prelim_size_sections (void)
266 if (expld.phase != lang_mark_phase_enum)
268 expld.phase = lang_mark_phase_enum;
269 expld.dataseg.phase = exp_seg_none;
270 one_lang_size_sections_pass (NULL, FALSE);
271 /* We must not cache anything from the preliminary sizing. */
272 lang_reset_memory_regions ();
277 ppc_before_allocation (void)
279 if (stub_file != NULL)
282 && !ppc64_elf_edit_opd (&link_info))
283 einfo (_("%X%P: can not edit %s: %E\n"), "opd");
285 if (ppc64_elf_tls_setup (&link_info)
288 /* Size the sections. This is premature, but we want to know the
289 TLS segment layout so that certain optimizations can be done. */
290 prelim_size_sections ();
292 if (!ppc64_elf_tls_optimize (&link_info))
293 einfo (_("%X%P: TLS problem %E\n"));
297 && !bfd_link_relocatable (&link_info))
299 prelim_size_sections ();
301 if (!ppc64_elf_edit_toc (&link_info))
302 einfo (_("%X%P: can not edit %s: %E\n"), "toc");
307 lang_output_section_statement_type *toc_os;
309 toc_os = lang_output_section_find (toc_section_name);
311 sort_toc_sections (&toc_os->children, NULL, NULL);
315 gld${EMULATION_NAME}_before_allocation ();
318 struct hook_stub_info
320 lang_statement_list_type add;
321 asection *input_section;
324 /* Traverse the linker tree to find the spot where the stub goes. */
327 hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
329 lang_statement_union_type *l;
332 for (; (l = *lp) != NULL; lp = &l->header.next)
334 switch (l->header.type)
336 case lang_constructors_statement_enum:
337 ret = hook_in_stub (info, &constructor_list.head);
342 case lang_output_section_statement_enum:
343 ret = hook_in_stub (info,
344 &l->output_section_statement.children.head);
349 case lang_wild_statement_enum:
350 ret = hook_in_stub (info, &l->wild_statement.children.head);
355 case lang_group_statement_enum:
356 ret = hook_in_stub (info, &l->group_statement.children.head);
361 case lang_input_section_enum:
362 if (l->input_section.section == info->input_section)
364 /* We've found our section. Insert the stub immediately
365 before its associated input section. */
366 *lp = info->add.head;
367 *(info->add.tail) = l;
372 case lang_data_statement_enum:
373 case lang_reloc_statement_enum:
374 case lang_object_symbols_statement_enum:
375 case lang_output_statement_enum:
376 case lang_target_statement_enum:
377 case lang_input_statement_enum:
378 case lang_assignment_statement_enum:
379 case lang_padding_statement_enum:
380 case lang_address_statement_enum:
381 case lang_fill_statement_enum:
393 /* Call-back for ppc64_elf_size_stubs. */
395 /* Create a new stub section, and arrange for it to be linked
396 immediately before INPUT_SECTION. */
399 ppc_add_stub_section (const char *stub_sec_name, asection *input_section)
403 asection *output_section;
404 lang_output_section_statement_type *os;
405 struct hook_stub_info info;
407 flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
408 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP);
409 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
410 stub_sec_name, flags);
412 || !bfd_set_section_alignment (stub_file->the_bfd, stub_sec,
413 (params.plt_stub_align > 5
414 ? params.plt_stub_align
415 : params.plt_stub_align < -5
416 ? -params.plt_stub_align
420 output_section = input_section->output_section;
421 os = lang_output_section_get (output_section);
423 info.input_section = input_section;
424 lang_list_init (&info.add);
425 lang_add_section (&info.add, stub_sec, NULL, os);
427 if (info.add.head == NULL)
430 if (hook_in_stub (&info, &os->children.head))
434 einfo (_("%X%P: can not make stub section: %E\n"));
439 /* Another call-back for ppc64_elf_size_stubs. */
442 ppc_layout_sections_again (void)
444 /* If we have changed sizes of the stub sections, then we need
445 to recalculate all the section offsets. This may mean we need to
446 add even more stubs. */
447 gld${EMULATION_NAME}_map_segments (TRUE);
449 if (!bfd_link_relocatable (&link_info))
450 ppc64_elf_set_toc (&link_info, link_info.output_bfd);
452 need_laying_out = -1;
457 build_toc_list (lang_statement_union_type *statement)
459 if (statement->header.type == lang_input_section_enum)
461 asection *i = statement->input_section.section;
463 if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
464 && (i->flags & SEC_EXCLUDE) == 0
465 && i->output_section == toc_section)
467 if (!ppc64_elf_next_toc_section (&link_info, i))
468 einfo (_("%X%P: linker script separates .got and .toc\n"));
475 build_section_lists (lang_statement_union_type *statement)
477 if (statement->header.type == lang_input_section_enum)
479 asection *i = statement->input_section.section;
481 if (!((lang_input_statement_type *) i->owner->usrdata)->flags.just_syms
482 && (i->flags & SEC_EXCLUDE) == 0
483 && i->output_section != NULL
484 && i->output_section->owner == link_info.output_bfd)
486 if (!ppc64_elf_next_input_section (&link_info, i))
487 einfo (_("%X%P: can not size stub section: %E\n"));
493 /* Call the back-end function to set TOC base after we have placed all
496 gld${EMULATION_NAME}_after_allocation (void)
500 /* If generating a relocatable output file, then we don't have any
502 if (stub_file != NULL && !bfd_link_relocatable (&link_info))
504 ret = ppc64_elf_setup_section_lists (&link_info);
506 einfo (_("%X%P: can not size stub section: %E\n"));
509 ppc64_elf_start_multitoc_partition (&link_info);
511 if (!params.no_multi_toc)
513 toc_section = bfd_get_section_by_name (link_info.output_bfd,
515 if (toc_section != NULL)
516 lang_for_each_statement (build_toc_list);
519 if (ppc64_elf_layout_multitoc (&link_info)
520 && !params.no_multi_toc
521 && toc_section != NULL)
522 lang_for_each_statement (build_toc_list);
524 ppc64_elf_finish_multitoc_partition (&link_info);
526 lang_for_each_statement (build_section_lists);
528 if (!ppc64_elf_check_init_fini (&link_info))
529 einfo (_("%P: .init/.fini fragments use differing TOC pointers\n"));
531 /* Call into the BFD backend to do the real work. */
532 if (!ppc64_elf_size_stubs (&link_info))
533 einfo (_("%X%P: can not size stub section: %E\n"));
537 /* We can't parse and merge .eh_frame until the glink .eh_frame has
538 been generated. Otherwise the glink .eh_frame CIE won't be
539 merged with other CIEs, and worse, the glink .eh_frame FDEs won't
540 be listed in .eh_frame_hdr. */
541 ret = bfd_elf_discard_info (link_info.output_bfd, &link_info);
544 einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
550 /* Call map_segments regardless of the state of need_laying_out.
551 need_laying_out set to -1 means we have just laid everything out,
552 but ppc64_elf_size_stubs strips .branch_lt and .eh_frame if
553 unneeded, after ppc_layout_sections_again. Another call removes
554 these sections from the segment map. Their presence is
555 innocuous except for confusing ELF_SECTION_IN_SEGMENT. */
556 gld${EMULATION_NAME}_map_segments (need_laying_out > 0);
558 if (need_laying_out != -1 && !bfd_link_relocatable (&link_info))
559 ppc64_elf_set_toc (&link_info, link_info.output_bfd);
563 /* Final emulation specific call. */
566 gld${EMULATION_NAME}_finish (void)
569 char *line, *endline;
571 /* e_entry on PowerPC64 points to the function descriptor for
572 _start. If _start is missing, default to the first function
573 descriptor in the .opd section. */
574 if (stub_file != NULL
575 && (elf_elfheader (link_info.output_bfd)->e_flags & EF_PPC64_ABI) == 1)
576 entry_section = ".opd";
578 if (params.emit_stub_syms < 0)
579 params.emit_stub_syms = 1;
580 if (stub_file != NULL
581 && !bfd_link_relocatable (&link_info)
582 && !ppc64_elf_build_stubs (&link_info, config.stats ? &msg : NULL))
583 einfo (_("%X%P: can not build stubs: %E\n"));
586 for (line = msg; line != NULL; line = endline)
588 endline = strchr (line, '\n');
591 fprintf (stderr, "%s: %s\n", program_name, line);
601 /* Add a pattern matching ".foo" for every "foo" in a version script.
603 The reason for doing this is that many shared library version
604 scripts export a selected set of functions or data symbols, forcing
609 . this; that; some; thing;
614 To make the above work for PowerPC64, we need to export ".this",
615 ".that" and so on, otherwise only the function descriptor syms are
616 exported. Lack of an exported function code sym may cause a
617 definition to be pulled in from a static library. */
619 static struct bfd_elf_version_expr *
620 gld${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=${PARSE_AND_LIST_PROLOGUE}'
690 OPTION_STUBGROUP_SIZE = 321,
691 OPTION_PLT_STATIC_CHAIN,
692 OPTION_NO_PLT_STATIC_CHAIN,
693 OPTION_PLT_THREAD_SAFE,
694 OPTION_NO_PLT_THREAD_SAFE,
697 OPTION_PLT_LOCALENTRY,
698 OPTION_NO_PLT_LOCALENTRY,
706 OPTION_TLS_GET_ADDR_OPT,
707 OPTION_NO_TLS_GET_ADDR_OPT,
712 OPTION_NON_OVERLAPPING_OPD
716 PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
717 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
718 { "plt-static-chain", no_argument, NULL, OPTION_PLT_STATIC_CHAIN },
719 { "no-plt-static-chain", no_argument, NULL, OPTION_NO_PLT_STATIC_CHAIN },
720 { "plt-thread-safe", no_argument, NULL, OPTION_PLT_THREAD_SAFE },
721 { "no-plt-thread-safe", no_argument, NULL, OPTION_NO_PLT_THREAD_SAFE },
722 { "plt-align", optional_argument, NULL, OPTION_PLT_ALIGN },
723 { "no-plt-align", no_argument, NULL, OPTION_NO_PLT_ALIGN },
724 { "plt-localentry", optional_argument, NULL, OPTION_PLT_LOCALENTRY },
725 { "no-plt-localentry", no_argument, NULL, OPTION_NO_PLT_LOCALENTRY },
726 { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS },
727 { "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS },
728 { "dotsyms", no_argument, NULL, OPTION_DOTSYMS },
729 { "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS },
730 { "save-restore-funcs", no_argument, NULL, OPTION_SAVRES },
731 { "no-save-restore-funcs", no_argument, NULL, OPTION_NO_SAVRES },
732 { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT },
733 { "tls-get-addr-optimize", no_argument, NULL, OPTION_TLS_GET_ADDR_OPT },
734 { "no-tls-get-addr-optimize", no_argument, NULL, OPTION_NO_TLS_GET_ADDR_OPT },
735 { "no-opd-optimize", no_argument, NULL, OPTION_NO_OPD_OPT },
736 { "no-toc-optimize", no_argument, NULL, OPTION_NO_TOC_OPT },
737 { "no-multi-toc", no_argument, NULL, OPTION_NO_MULTI_TOC },
738 { "no-toc-sort", no_argument, NULL, OPTION_NO_TOC_SORT },
739 { "non-overlapping-opd", no_argument, NULL, OPTION_NON_OVERLAPPING_OPD },
742 PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'
744 --stub-group-size=N Maximum size of a group of input sections that\n\
745 can be handled by one stub section. A negative\n\
746 value locates all stubs before their branches\n\
747 (with a group size of -N), while a positive\n\
748 value allows two groups of input sections, one\n\
749 before, and one after each stub section.\n\
750 Values of +/-1 indicate the linker should\n\
751 choose suitable defaults.\n"
754 --plt-static-chain PLT call stubs should load r11.'${DEFAULT_PLT_STATIC_CHAIN- (default)}'\n"
757 --no-plt-static-chain PLT call stubs should not load r11.'${DEFAULT_PLT_STATIC_CHAIN+ (default)}'\n"
760 --plt-thread-safe PLT call stubs with load-load barrier.\n"
763 --no-plt-thread-safe PLT call stubs without barrier.\n"
766 --plt-align [=<align>] Align PLT call stubs to fit cache lines.\n"
769 --no-plt-align Dont'\''t align individual PLT call stubs.\n"
772 --plt-localentry Optimize calls to ELFv2 localentry:0 functions.\n"
775 --no-plt-localentry Don'\''t optimize ELFv2 calls.\n"
778 --emit-stub-syms Label linker stubs with a symbol.\n"
781 --no-emit-stub-syms Don'\''t label linker stubs with a symbol.\n"
784 --dotsyms For every version pattern \"foo\" in a version\n\
785 script, add \".foo\" so that function code\n\
786 symbols are treated the same as function\n\
787 descriptor symbols. Defaults to on.\n"
790 --no-dotsyms Don'\''t do anything special in version scripts.\n"
793 --save-restore-funcs Provide register save and restore routines used\n\
794 by gcc -Os code. Defaults to on for normal\n\
795 final link, off for ld -r.\n"
798 --no-save-restore-funcs Don'\''t provide these routines.\n"
801 --no-tls-optimize Don'\''t try to optimize TLS accesses.\n"
804 --tls-get-addr-optimize Force use of special __tls_get_addr call.\n"
807 --no-tls-get-addr-optimize Don'\''t use a special __tls_get_addr call.\n"
810 --no-opd-optimize Don'\''t optimize the OPD section.\n"
813 --no-toc-optimize Don'\''t optimize the TOC section.\n"
816 --no-multi-toc Disallow automatic multiple toc sections.\n"
819 --no-toc-sort Don'\''t sort TOC and GOT sections.\n"
822 --non-overlapping-opd Canonicalize .opd, so that there are no\n\
823 overlapping .opd entries.\n"
827 PARSE_AND_LIST_ARGS_CASES=${PARSE_AND_LIST_ARGS_CASES}'
828 case OPTION_STUBGROUP_SIZE:
831 params.group_size = bfd_scan_vma (optarg, &end, 0);
833 einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
837 case OPTION_PLT_STATIC_CHAIN:
838 params.plt_static_chain = 1;
841 case OPTION_NO_PLT_STATIC_CHAIN:
842 params.plt_static_chain = 0;
845 case OPTION_PLT_THREAD_SAFE:
846 params.plt_thread_safe = 1;
849 case OPTION_NO_PLT_THREAD_SAFE:
850 params.plt_thread_safe = 0;
853 case OPTION_PLT_ALIGN:
857 long val = strtol (optarg, &end, 0);
858 if (*end || (unsigned long) val + 8 > 16)
859 einfo (_("%P%F: invalid --plt-align `%s'\''\n"), optarg);
860 params.plt_stub_align = val;
863 params.plt_stub_align = 5;
866 case OPTION_NO_PLT_ALIGN:
867 params.plt_stub_align = 0;
870 case OPTION_PLT_LOCALENTRY:
871 params.plt_localentry0 = 1;
874 case OPTION_NO_PLT_LOCALENTRY:
875 params.plt_localentry0 = 0;
878 case OPTION_STUBSYMS:
879 params.emit_stub_syms = 1;
882 case OPTION_NO_STUBSYMS:
883 params.emit_stub_syms = 0;
890 case OPTION_NO_DOTSYMS:
895 params.save_restore_funcs = 1;
898 case OPTION_NO_SAVRES:
899 params.save_restore_funcs = 0;
902 case OPTION_NO_TLS_OPT:
906 case OPTION_TLS_GET_ADDR_OPT:
907 params.tls_get_addr_opt = 1;
910 case OPTION_NO_TLS_GET_ADDR_OPT:
911 params.tls_get_addr_opt = 0;
914 case OPTION_NO_OPD_OPT:
918 case OPTION_NO_TOC_OPT:
922 case OPTION_NO_MULTI_TOC:
923 params.no_multi_toc = 1;
926 case OPTION_NO_TOC_SORT:
930 case OPTION_NON_OVERLAPPING_OPD:
931 params.non_overlapping_opd = 1;
934 case OPTION_TRADITIONAL_FORMAT:
936 params.tls_get_addr_opt = 0;
939 params.no_multi_toc = 1;
941 params.plt_static_chain = 1;
945 # Put these extra ppc64elf routines in ld_${EMULATION_NAME}_emulation
947 LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern
948 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements
949 LDEMUL_AFTER_OPEN=ppc_after_open
950 LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation
951 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
952 LDEMUL_FINISH=gld${EMULATION_NAME}_finish