1 # This shell script emits a C file. -*- C -*-
2 # Copyright (C) 2002-2014 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 static asection *toc_section = 0;
67 /* This is called before the input files are opened. We create a new
68 fake input file to hold the stub sections. */
71 ppc_create_output_section_statements (void)
73 if (!(bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour
74 && elf_object_id (link_info.output_bfd) == PPC64_ELF_DATA))
77 link_info.wrap_char = '.';
79 stub_file = lang_add_input_file ("linker stubs",
80 lang_input_file_is_fake_enum,
82 stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
83 if (stub_file->the_bfd == NULL
84 || !bfd_set_arch_mach (stub_file->the_bfd,
85 bfd_get_arch (link_info.output_bfd),
86 bfd_get_mach (link_info.output_bfd)))
88 einfo ("%F%P: can not create BFD: %E\n");
92 stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
93 ldlang_add_file (stub_file);
94 params.stub_bfd = stub_file->the_bfd;
95 if (params.save_restore_funcs < 0)
96 params.save_restore_funcs = !link_info.relocatable;
97 if (!ppc64_elf_init_stub_bfd (&link_info, ¶ms))
98 einfo ("%F%P: can not init BFD: %E\n");
101 /* Move the input section statement at *U which happens to be on LIST
102 to be just before *TO. */
105 move_input_section (lang_statement_list_type *list,
106 lang_statement_union_type **u,
107 lang_statement_union_type **to)
109 lang_statement_union_type *s = *u;
110 asection *i = s->input_section.section;
113 /* Snip the input section from the statement list. If it was the
114 last statement, fix the list tail pointer. */
118 /* Add it back in the new position. */
119 s->header.next = *to;
121 if (list->tail == to)
122 list->tail = &s->header.next;
124 /* Trim I off the bfd map_head/map_tail doubly linked lists. */
127 (p != NULL ? p : i->output_section)->map_head.s = n;
128 (n != NULL ? n : i->output_section)->map_tail.s = p;
130 /* Add I back on in its new position. */
131 if (s->header.next->header.type == lang_input_section_enum)
133 n = s->header.next->input_section.section;
138 /* If the next statement is not an input section statement then
139 TO must point at the previous input section statement
140 header.next field. */
141 lang_input_section_type *prev = (lang_input_section_type *)
142 ((char *) to - offsetof (lang_statement_union_type, header.next));
144 ASSERT (prev->header.type == lang_input_section_enum);
150 (p != NULL ? p : i->output_section)->map_head.s = i;
151 (n != NULL ? n : i->output_section)->map_tail.s = i;
154 /* Sort input section statements in the linker script tree rooted at
155 LIST so that those whose owning bfd happens to have a section
156 called .init or .fini are placed first. Place any TOC sections
157 referenced by small TOC relocs next, with TOC sections referenced
158 only by bigtoc relocs last. */
161 sort_toc_sections (lang_statement_list_type *list,
162 lang_statement_union_type **ini,
163 lang_statement_union_type **small)
165 lang_statement_union_type *s, **u;
169 while ((s = *u) != NULL)
171 switch (s->header.type)
173 case lang_wild_statement_enum:
174 sort_toc_sections (&s->wild_statement.children, ini, small);
177 case lang_group_statement_enum:
178 sort_toc_sections (&s->group_statement.children, ini, small);
181 case lang_input_section_enum:
182 i = s->input_section.section;
183 /* Leave the stub_file .got where it is. We put the .got
185 if (i->owner == stub_file->the_bfd)
187 if (bfd_get_section_by_name (i->owner, ".init") != NULL
188 || bfd_get_section_by_name (i->owner, ".fini") != NULL)
190 if (ini != NULL && *ini != s)
192 move_input_section (list, u, ini);
194 small = &s->header.next;
195 ini = &s->header.next;
199 small = &s->header.next;
200 ini = &s->header.next;
203 else if (ini == NULL)
206 if (ppc64_elf_has_small_toc_reloc (i))
208 if (small != NULL && *small != s)
210 move_input_section (list, u, small);
211 small = &s->header.next;
214 small = &s->header.next;
216 else if (small == NULL)
228 prelim_size_sections (void)
230 if (expld.phase != lang_mark_phase_enum)
232 expld.phase = lang_mark_phase_enum;
233 expld.dataseg.phase = exp_dataseg_none;
234 one_lang_size_sections_pass (NULL, FALSE);
235 /* We must not cache anything from the preliminary sizing. */
236 lang_reset_memory_regions ();
241 ppc_before_allocation (void)
243 if (stub_file != NULL)
246 && !ppc64_elf_edit_opd (&link_info))
247 einfo ("%X%P: can not edit %s: %E\n", "opd");
249 if (ppc64_elf_tls_setup (&link_info)
252 /* Size the sections. This is premature, but we want to know the
253 TLS segment layout so that certain optimizations can be done. */
254 prelim_size_sections ();
256 if (!ppc64_elf_tls_optimize (&link_info))
257 einfo ("%X%P: TLS problem %E\n");
261 && !link_info.relocatable)
263 prelim_size_sections ();
265 if (!ppc64_elf_edit_toc (&link_info))
266 einfo ("%X%P: can not edit %s: %E\n", "toc");
271 lang_output_section_statement_type *toc_os;
273 toc_os = lang_output_section_find (".got");
275 sort_toc_sections (&toc_os->children, NULL, NULL);
279 gld${EMULATION_NAME}_before_allocation ();
282 struct hook_stub_info
284 lang_statement_list_type add;
285 asection *input_section;
288 /* Traverse the linker tree to find the spot where the stub goes. */
291 hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
293 lang_statement_union_type *l;
296 for (; (l = *lp) != NULL; lp = &l->header.next)
298 switch (l->header.type)
300 case lang_constructors_statement_enum:
301 ret = hook_in_stub (info, &constructor_list.head);
306 case lang_output_section_statement_enum:
307 ret = hook_in_stub (info,
308 &l->output_section_statement.children.head);
313 case lang_wild_statement_enum:
314 ret = hook_in_stub (info, &l->wild_statement.children.head);
319 case lang_group_statement_enum:
320 ret = hook_in_stub (info, &l->group_statement.children.head);
325 case lang_input_section_enum:
326 if (l->input_section.section == info->input_section)
328 /* We've found our section. Insert the stub immediately
329 before its associated input section. */
330 *lp = info->add.head;
331 *(info->add.tail) = l;
336 case lang_data_statement_enum:
337 case lang_reloc_statement_enum:
338 case lang_object_symbols_statement_enum:
339 case lang_output_statement_enum:
340 case lang_target_statement_enum:
341 case lang_input_statement_enum:
342 case lang_assignment_statement_enum:
343 case lang_padding_statement_enum:
344 case lang_address_statement_enum:
345 case lang_fill_statement_enum:
357 /* Call-back for ppc64_elf_size_stubs. */
359 /* Create a new stub section, and arrange for it to be linked
360 immediately before INPUT_SECTION. */
363 ppc_add_stub_section (const char *stub_sec_name, asection *input_section)
367 asection *output_section;
368 lang_output_section_statement_type *os;
369 struct hook_stub_info info;
371 flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
372 | SEC_HAS_CONTENTS | SEC_IN_MEMORY | SEC_KEEP);
373 stub_sec = bfd_make_section_anyway_with_flags (stub_file->the_bfd,
374 stub_sec_name, flags);
376 || !bfd_set_section_alignment (stub_file->the_bfd, stub_sec,
377 (params.plt_stub_align > 5
378 ? params.plt_stub_align
382 output_section = input_section->output_section;
383 os = lang_output_section_get (output_section);
385 info.input_section = input_section;
386 lang_list_init (&info.add);
387 lang_add_section (&info.add, stub_sec, NULL, os);
389 if (info.add.head == NULL)
392 if (hook_in_stub (&info, &os->children.head))
396 einfo ("%X%P: can not make stub section: %E\n");
401 /* Another call-back for ppc64_elf_size_stubs. */
404 ppc_layout_sections_again (void)
406 /* If we have changed sizes of the stub sections, then we need
407 to recalculate all the section offsets. This may mean we need to
408 add even more stubs. */
409 gld${EMULATION_NAME}_map_segments (TRUE);
411 if (!link_info.relocatable)
412 ppc64_elf_set_toc (&link_info, link_info.output_bfd);
414 need_laying_out = -1;
419 build_toc_list (lang_statement_union_type *statement)
421 if (statement->header.type == lang_input_section_enum)
423 asection *i = statement->input_section.section;
425 if (i->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
426 && (i->flags & SEC_EXCLUDE) == 0
427 && i->output_section == toc_section)
429 if (!ppc64_elf_next_toc_section (&link_info, i))
430 einfo ("%X%P: linker script separates .got and .toc\n");
437 build_section_lists (lang_statement_union_type *statement)
439 if (statement->header.type == lang_input_section_enum)
441 asection *i = statement->input_section.section;
443 if (!((lang_input_statement_type *) i->owner->usrdata)->flags.just_syms
444 && (i->flags & SEC_EXCLUDE) == 0
445 && i->output_section != NULL
446 && i->output_section->owner == link_info.output_bfd)
448 if (!ppc64_elf_next_input_section (&link_info, i))
449 einfo ("%X%P: can not size stub section: %E\n");
455 /* Call the back-end function to set TOC base after we have placed all
458 gld${EMULATION_NAME}_after_allocation (void)
462 /* If generating a relocatable output file, then we don't have any
464 if (stub_file != NULL && !link_info.relocatable)
466 ret = ppc64_elf_setup_section_lists (&link_info);
468 einfo ("%X%P: can not size stub section: %E\n");
471 ppc64_elf_start_multitoc_partition (&link_info);
473 if (!params.no_multi_toc)
475 toc_section = bfd_get_section_by_name (link_info.output_bfd,
477 if (toc_section != NULL)
478 lang_for_each_statement (build_toc_list);
481 if (ppc64_elf_layout_multitoc (&link_info)
482 && !params.no_multi_toc
483 && toc_section != NULL)
484 lang_for_each_statement (build_toc_list);
486 ppc64_elf_finish_multitoc_partition (&link_info);
488 lang_for_each_statement (build_section_lists);
490 if (!ppc64_elf_check_init_fini (&link_info))
491 einfo ("%P: .init/.fini fragments use differing TOC pointers\n");
493 /* Call into the BFD backend to do the real work. */
494 if (!ppc64_elf_size_stubs (&link_info))
495 einfo ("%X%P: can not size stub section: %E\n");
499 /* We can't parse and merge .eh_frame until the glink .eh_frame has
500 been generated. Otherwise the glink .eh_frame CIE won't be
501 merged with other CIEs, and worse, the glink .eh_frame FDEs won't
502 be listed in .eh_frame_hdr. */
503 ret = bfd_elf_discard_info (link_info.output_bfd, &link_info);
506 einfo ("%X%P: .eh_frame/.stab edit: %E\n");
512 if (need_laying_out != -1)
514 gld${EMULATION_NAME}_map_segments (need_laying_out);
516 if (!link_info.relocatable)
517 ppc64_elf_set_toc (&link_info, link_info.output_bfd);
522 /* Final emulation specific call. */
525 gld${EMULATION_NAME}_finish (void)
528 char *line, *endline;
530 /* e_entry on PowerPC64 points to the function descriptor for
531 _start. If _start is missing, default to the first function
532 descriptor in the .opd section. */
533 if (stub_file != NULL
534 && (elf_elfheader (link_info.output_bfd)->e_flags & EF_PPC64_ABI) == 1)
535 entry_section = ".opd";
537 if (params.emit_stub_syms < 0)
538 params.emit_stub_syms = 1;
539 if (stub_file != NULL
540 && !link_info.relocatable
541 && !ppc64_elf_build_stubs (&link_info, config.stats ? &msg : NULL))
542 einfo ("%X%P: can not build stubs: %E\n");
545 for (line = msg; line != NULL; line = endline)
547 endline = strchr (line, '\n');
550 fprintf (stderr, "%s: %s\n", program_name, line);
556 ppc64_elf_restore_symbols (&link_info);
561 /* Add a pattern matching ".foo" for every "foo" in a version script.
563 The reason for doing this is that many shared library version
564 scripts export a selected set of functions or data symbols, forcing
569 . this; that; some; thing;
574 To make the above work for PowerPC64, we need to export ".this",
575 ".that" and so on, otherwise only the function descriptor syms are
576 exported. Lack of an exported function code sym may cause a
577 definition to be pulled in from a static library. */
579 static struct bfd_elf_version_expr *
580 gld${EMULATION_NAME}_new_vers_pattern (struct bfd_elf_version_expr *entry)
582 struct bfd_elf_version_expr *dot_entry;
587 || entry->pattern[0] == '.'
588 || (!entry->literal && entry->pattern[0] == '*'))
591 dot_entry = xmalloc (sizeof *dot_entry);
593 dot_entry->next = entry;
594 len = strlen (entry->pattern) + 2;
595 dot_pat = xmalloc (len);
597 memcpy (dot_pat + 1, entry->pattern, len - 1);
598 dot_entry->pattern = dot_pat;
599 dot_entry->script = 1;
604 /* Avoid processing the fake stub_file in vercheck, stat_needed and
605 check_needed routines. */
607 static void (*real_func) (lang_input_statement_type *);
609 static void ppc_for_each_input_file_wrapper (lang_input_statement_type *l)
616 ppc_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
619 lang_for_each_input_file (&ppc_for_each_input_file_wrapper);
622 #define lang_for_each_input_file ppc_lang_for_each_input_file
626 if grep -q 'ld_elf32_spu_emulation' ldemul-list.h; then
628 /* Special handling for embedded SPU executables. */
629 extern bfd_boolean embedded_spu_file (lang_input_statement_type *, const char *);
630 static bfd_boolean gld${EMULATION_NAME}_load_symbols (lang_input_statement_type *);
633 ppc64_recognized_file (lang_input_statement_type *entry)
635 if (embedded_spu_file (entry, "-m64"))
638 return gld${EMULATION_NAME}_load_symbols (entry);
641 LDEMUL_RECOGNIZED_FILE=ppc64_recognized_file
644 # Define some shell vars to insert bits of code into the standard elf
645 # parse_args and list_options functions.
647 PARSE_AND_LIST_PROLOGUE=${PARSE_AND_LIST_PROLOGUE}'
648 #define OPTION_STUBGROUP_SIZE 321
649 #define OPTION_PLT_STATIC_CHAIN (OPTION_STUBGROUP_SIZE + 1)
650 #define OPTION_NO_PLT_STATIC_CHAIN (OPTION_PLT_STATIC_CHAIN + 1)
651 #define OPTION_PLT_THREAD_SAFE (OPTION_NO_PLT_STATIC_CHAIN + 1)
652 #define OPTION_NO_PLT_THREAD_SAFE (OPTION_PLT_THREAD_SAFE + 1)
653 #define OPTION_PLT_ALIGN (OPTION_NO_PLT_THREAD_SAFE + 1)
654 #define OPTION_NO_PLT_ALIGN (OPTION_PLT_ALIGN + 1)
655 #define OPTION_STUBSYMS (OPTION_NO_PLT_ALIGN + 1)
656 #define OPTION_NO_STUBSYMS (OPTION_STUBSYMS + 1)
657 #define OPTION_SAVRES (OPTION_NO_STUBSYMS + 1)
658 #define OPTION_NO_SAVRES (OPTION_SAVRES + 1)
659 #define OPTION_DOTSYMS (OPTION_NO_SAVRES + 1)
660 #define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1)
661 #define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1)
662 #define OPTION_NO_TLS_GET_ADDR_OPT (OPTION_NO_TLS_OPT + 1)
663 #define OPTION_NO_OPD_OPT (OPTION_NO_TLS_GET_ADDR_OPT + 1)
664 #define OPTION_NO_TOC_OPT (OPTION_NO_OPD_OPT + 1)
665 #define OPTION_NO_MULTI_TOC (OPTION_NO_TOC_OPT + 1)
666 #define OPTION_NO_TOC_SORT (OPTION_NO_MULTI_TOC + 1)
667 #define OPTION_NON_OVERLAPPING_OPD (OPTION_NO_TOC_SORT + 1)
670 PARSE_AND_LIST_LONGOPTS=${PARSE_AND_LIST_LONGOPTS}'
671 { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
672 { "plt-static-chain", no_argument, NULL, OPTION_PLT_STATIC_CHAIN },
673 { "no-plt-static-chain", no_argument, NULL, OPTION_NO_PLT_STATIC_CHAIN },
674 { "plt-thread-safe", no_argument, NULL, OPTION_PLT_THREAD_SAFE },
675 { "no-plt-thread-safe", no_argument, NULL, OPTION_NO_PLT_THREAD_SAFE },
676 { "plt-align", optional_argument, NULL, OPTION_PLT_ALIGN },
677 { "no-plt-align", no_argument, NULL, OPTION_NO_PLT_ALIGN },
678 { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS },
679 { "no-emit-stub-syms", no_argument, NULL, OPTION_NO_STUBSYMS },
680 { "dotsyms", no_argument, NULL, OPTION_DOTSYMS },
681 { "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS },
682 { "save-restore-funcs", no_argument, NULL, OPTION_SAVRES },
683 { "no-save-restore-funcs", no_argument, NULL, OPTION_NO_SAVRES },
684 { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT },
685 { "no-tls-get-addr-optimize", no_argument, NULL, OPTION_NO_TLS_GET_ADDR_OPT },
686 { "no-opd-optimize", no_argument, NULL, OPTION_NO_OPD_OPT },
687 { "no-toc-optimize", no_argument, NULL, OPTION_NO_TOC_OPT },
688 { "no-multi-toc", no_argument, NULL, OPTION_NO_MULTI_TOC },
689 { "no-toc-sort", no_argument, NULL, OPTION_NO_TOC_SORT },
690 { "non-overlapping-opd", no_argument, NULL, OPTION_NON_OVERLAPPING_OPD },
693 PARSE_AND_LIST_OPTIONS=${PARSE_AND_LIST_OPTIONS}'
695 --stub-group-size=N Maximum size of a group of input sections that\n\
696 can be handled by one stub section. A negative\n\
697 value locates all stubs before their branches\n\
698 (with a group size of -N), while a positive\n\
699 value allows two groups of input sections, one\n\
700 before, and one after each stub section.\n\
701 Values of +/-1 indicate the linker should\n\
702 choose suitable defaults.\n"
705 --plt-static-chain PLT call stubs should load r11.${DEFAULT_PLT_STATIC_CHAIN- (default)}\n"
708 --no-plt-static-chain PLT call stubs should not load r11.${DEFAULT_PLT_STATIC_CHAIN+ (default)}\n"
711 --plt-thread-safe PLT call stubs with load-load barrier.\n"
714 --no-plt-thread-safe PLT call stubs without barrier.\n"
717 --plt-align [=<align>] Align PLT call stubs to fit cache lines.\n"
720 --no-plt-align Dont'\''t align individual PLT call stubs.\n"
723 --emit-stub-syms Label linker stubs with a symbol.\n"
726 --no-emit-stub-syms Don'\''t label linker stubs with a symbol.\n"
729 --dotsyms For every version pattern \"foo\" in a version\n\
730 script, add \".foo\" so that function code\n\
731 symbols are treated the same as function\n\
732 descriptor symbols. Defaults to on.\n"
735 --no-dotsyms Don'\''t do anything special in version scripts.\n"
738 --save-restore-funcs Provide register save and restore routines used\n\
739 by gcc -Os code. Defaults to on for normal\n\
740 final link, off for ld -r.\n"
743 --no-save-restore-funcs Don'\''t provide these routines.\n"
746 --no-tls-optimize Don'\''t try to optimize TLS accesses.\n"
749 --no-tls-get-addr-optimize Don'\''t use a special __tls_get_addr call.\n"
752 --no-opd-optimize Don'\''t optimize the OPD section.\n"
755 --no-toc-optimize Don'\''t optimize the TOC section.\n"
758 --no-multi-toc Disallow automatic multiple toc sections.\n"
761 --no-toc-sort Don'\''t sort TOC and GOT sections.\n"
764 --non-overlapping-opd Canonicalize .opd, so that there are no\n\
765 overlapping .opd entries.\n"
769 PARSE_AND_LIST_ARGS_CASES=${PARSE_AND_LIST_ARGS_CASES}'
770 case OPTION_STUBGROUP_SIZE:
773 params.group_size = bfd_scan_vma (optarg, &end, 0);
775 einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
779 case OPTION_PLT_STATIC_CHAIN:
780 params.plt_static_chain = 1;
783 case OPTION_NO_PLT_STATIC_CHAIN:
784 params.plt_static_chain = 0;
787 case OPTION_PLT_THREAD_SAFE:
788 params.plt_thread_safe = 1;
791 case OPTION_NO_PLT_THREAD_SAFE:
792 params.plt_thread_safe = 0;
795 case OPTION_PLT_ALIGN:
799 unsigned long val = strtoul (optarg, &end, 0);
801 einfo (_("%P%F: invalid --plt-align `%s'\''\n"), optarg);
802 params.plt_stub_align = val;
805 params.plt_stub_align = 5;
808 case OPTION_NO_PLT_ALIGN:
809 params.plt_stub_align = 0;
812 case OPTION_STUBSYMS:
813 params.emit_stub_syms = 1;
816 case OPTION_NO_STUBSYMS:
817 params.emit_stub_syms = 0;
824 case OPTION_NO_DOTSYMS:
829 params.save_restore_funcs = 1;
832 case OPTION_NO_SAVRES:
833 params.save_restore_funcs = 0;
836 case OPTION_NO_TLS_OPT:
840 case OPTION_NO_TLS_GET_ADDR_OPT:
841 params.no_tls_get_addr_opt = 1;
844 case OPTION_NO_OPD_OPT:
848 case OPTION_NO_TOC_OPT:
852 case OPTION_NO_MULTI_TOC:
853 params.no_multi_toc = 1;
856 case OPTION_NO_TOC_SORT:
860 case OPTION_NON_OVERLAPPING_OPD:
861 params.non_overlapping_opd = 1;
864 case OPTION_TRADITIONAL_FORMAT:
866 params.no_tls_get_addr_opt = 1;
869 params.no_multi_toc = 1;
871 params.plt_static_chain = 1;
875 # Put these extra ppc64elf routines in ld_${EMULATION_NAME}_emulation
877 LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation
878 LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation
879 LDEMUL_FINISH=gld${EMULATION_NAME}_finish
880 LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements
881 LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern