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1f808cd5 | 1 | # This shell script emits a C file. -*- C -*- |
b9cf773d | 2 | # Copyright 2002, 2003, 2004 Free Software Foundation, Inc. |
1f808cd5 AM |
3 | # |
4 | # This file is part of GLD, the Gnu Linker. | |
5 | # | |
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 2 of the License, or | |
9 | # (at your option) any later version. | |
10 | # | |
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. | |
15 | # | |
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | # | |
20 | ||
21 | # This file is sourced from elf32.em, and defines extra powerpc64-elf | |
22 | # specific routines. | |
23 | # | |
24 | cat >>e${EMULATION_NAME}.c <<EOF | |
25 | ||
9c1d81c1 | 26 | #include "ldctor.h" |
805fc799 | 27 | #include "libbfd.h" |
83490352 | 28 | #include "elf-bfd.h" |
1f808cd5 AM |
29 | #include "elf64-ppc.h" |
30 | ||
9c1d81c1 AM |
31 | /* Fake input file for stubs. */ |
32 | static lang_input_statement_type *stub_file; | |
68f8ff14 | 33 | static int stub_added = 0; |
9c1d81c1 AM |
34 | |
35 | /* Whether we need to call ppc_layout_sections_again. */ | |
1f808cd5 AM |
36 | static int need_laying_out = 0; |
37 | ||
9c1d81c1 AM |
38 | /* Maximum size of a group of input sections that can be handled by |
39 | one stub section. A value of +/-1 indicates the bfd back-end | |
40 | should use a suitable default size. */ | |
41 | static bfd_signed_vma group_size = 1; | |
42 | ||
fac1652d AM |
43 | /* Whether to add ".foo" entries for each "foo" in a version script. */ |
44 | static int dotsyms = 1; | |
45 | ||
e5096e3f AM |
46 | /* Whether to run tls optimization. */ |
47 | static int notlsopt = 0; | |
48 | ||
0b9a4d73 AM |
49 | /* Whether to emit symbols for stubs. */ |
50 | static int emit_stub_syms = 0; | |
51 | ||
52 | static asection *toc_section = 0; | |
53 | ||
3f764659 JJ |
54 | /* Whether to canonicalize .opd so that there are no overlapping |
55 | .opd entries. */ | |
56 | static int non_overlapping_opd = 0; | |
9c1d81c1 AM |
57 | |
58 | /* This is called before the input files are opened. We create a new | |
59 | fake input file to hold the stub sections. */ | |
60 | ||
61 | static void | |
7d8a3a28 | 62 | ppc_create_output_section_statements (void) |
9c1d81c1 | 63 | { |
a015f5ec AM |
64 | extern const bfd_target bfd_elf64_powerpc_vec; |
65 | extern const bfd_target bfd_elf64_powerpcle_vec; | |
66 | ||
67 | if (link_info.hash->creator != &bfd_elf64_powerpc_vec | |
68 | && link_info.hash->creator != &bfd_elf64_powerpcle_vec) | |
69 | return; | |
70 | ||
b9cf773d AM |
71 | link_info.wrap_char = '.'; |
72 | ||
9c1d81c1 AM |
73 | stub_file = lang_add_input_file ("linker stubs", |
74 | lang_input_file_is_fake_enum, | |
75 | NULL); | |
76 | stub_file->the_bfd = bfd_create ("linker stubs", output_bfd); | |
77 | if (stub_file->the_bfd == NULL | |
78 | || !bfd_set_arch_mach (stub_file->the_bfd, | |
79 | bfd_get_arch (output_bfd), | |
80 | bfd_get_mach (output_bfd))) | |
81 | { | |
82 | einfo ("%X%P: can not create BFD %E\n"); | |
83 | return; | |
84 | } | |
85 | ||
86 | ldlang_add_file (stub_file); | |
68f8ff14 | 87 | ppc64_elf_init_stub_bfd (stub_file->the_bfd, &link_info); |
9c1d81c1 AM |
88 | } |
89 | ||
836c6af1 | 90 | static void |
7d8a3a28 | 91 | ppc_before_allocation (void) |
836c6af1 | 92 | { |
a015f5ec | 93 | if (stub_file != NULL) |
e0468e59 | 94 | { |
3f764659 | 95 | if (!ppc64_elf_edit_opd (output_bfd, &link_info, non_overlapping_opd)) |
e5096e3f | 96 | { |
a015f5ec | 97 | einfo ("%X%P: can not edit opd %E\n"); |
e5096e3f AM |
98 | return; |
99 | } | |
100 | ||
a015f5ec AM |
101 | if (ppc64_elf_tls_setup (output_bfd, &link_info) && !notlsopt) |
102 | { | |
103 | /* Size the sections. This is premature, but we want to know the | |
104 | TLS segment layout so that certain optimizations can be done. */ | |
105 | lang_size_sections (stat_ptr->head, abs_output_section, | |
7d8a3a28 | 106 | &stat_ptr->head, 0, 0, NULL, TRUE); |
a015f5ec AM |
107 | |
108 | if (!ppc64_elf_tls_optimize (output_bfd, &link_info)) | |
109 | { | |
110 | einfo ("%X%P: TLS problem %E\n"); | |
111 | return; | |
112 | } | |
113 | ||
83490352 AM |
114 | /* We must not cache anything from the preliminary sizing. */ |
115 | elf_tdata (output_bfd)->program_header_size = 0; | |
a015f5ec AM |
116 | lang_reset_memory_regions (); |
117 | } | |
e0468e59 AM |
118 | } |
119 | ||
836c6af1 AM |
120 | gld${EMULATION_NAME}_before_allocation (); |
121 | } | |
122 | ||
9c1d81c1 AM |
123 | struct hook_stub_info |
124 | { | |
125 | lang_statement_list_type add; | |
126 | asection *input_section; | |
127 | }; | |
128 | ||
129 | /* Traverse the linker tree to find the spot where the stub goes. */ | |
130 | ||
b34976b6 | 131 | static bfd_boolean |
7d8a3a28 | 132 | hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp) |
9c1d81c1 AM |
133 | { |
134 | lang_statement_union_type *l; | |
b34976b6 | 135 | bfd_boolean ret; |
9c1d81c1 AM |
136 | |
137 | for (; (l = *lp) != NULL; lp = &l->header.next) | |
138 | { | |
139 | switch (l->header.type) | |
140 | { | |
141 | case lang_constructors_statement_enum: | |
142 | ret = hook_in_stub (info, &constructor_list.head); | |
143 | if (ret) | |
144 | return ret; | |
145 | break; | |
146 | ||
147 | case lang_output_section_statement_enum: | |
148 | ret = hook_in_stub (info, | |
149 | &l->output_section_statement.children.head); | |
150 | if (ret) | |
151 | return ret; | |
152 | break; | |
153 | ||
154 | case lang_wild_statement_enum: | |
155 | ret = hook_in_stub (info, &l->wild_statement.children.head); | |
156 | if (ret) | |
157 | return ret; | |
158 | break; | |
159 | ||
160 | case lang_group_statement_enum: | |
161 | ret = hook_in_stub (info, &l->group_statement.children.head); | |
162 | if (ret) | |
163 | return ret; | |
164 | break; | |
165 | ||
166 | case lang_input_section_enum: | |
167 | if (l->input_section.section == info->input_section) | |
168 | { | |
169 | /* We've found our section. Insert the stub immediately | |
170 | before its associated input section. */ | |
171 | *lp = info->add.head; | |
172 | *(info->add.tail) = l; | |
b34976b6 | 173 | return TRUE; |
9c1d81c1 AM |
174 | } |
175 | break; | |
176 | ||
177 | case lang_data_statement_enum: | |
178 | case lang_reloc_statement_enum: | |
179 | case lang_object_symbols_statement_enum: | |
180 | case lang_output_statement_enum: | |
181 | case lang_target_statement_enum: | |
182 | case lang_input_statement_enum: | |
183 | case lang_assignment_statement_enum: | |
184 | case lang_padding_statement_enum: | |
185 | case lang_address_statement_enum: | |
186 | case lang_fill_statement_enum: | |
187 | break; | |
188 | ||
189 | default: | |
190 | FAIL (); | |
191 | break; | |
192 | } | |
193 | } | |
b34976b6 | 194 | return FALSE; |
9c1d81c1 AM |
195 | } |
196 | ||
197 | ||
198 | /* Call-back for ppc64_elf_size_stubs. */ | |
199 | ||
200 | /* Create a new stub section, and arrange for it to be linked | |
201 | immediately before INPUT_SECTION. */ | |
202 | ||
203 | static asection * | |
7d8a3a28 | 204 | ppc_add_stub_section (const char *stub_sec_name, asection *input_section) |
9c1d81c1 AM |
205 | { |
206 | asection *stub_sec; | |
207 | flagword flags; | |
208 | asection *output_section; | |
209 | const char *secname; | |
210 | lang_output_section_statement_type *os; | |
211 | struct hook_stub_info info; | |
212 | ||
213 | stub_sec = bfd_make_section_anyway (stub_file->the_bfd, stub_sec_name); | |
214 | if (stub_sec == NULL) | |
215 | goto err_ret; | |
216 | ||
217 | flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | |
218 | | SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP); | |
219 | if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags)) | |
220 | goto err_ret; | |
221 | ||
222 | output_section = input_section->output_section; | |
223 | secname = bfd_get_section_name (output_section->owner, output_section); | |
224 | os = lang_output_section_find (secname); | |
225 | ||
226 | info.input_section = input_section; | |
227 | lang_list_init (&info.add); | |
228 | lang_add_section (&info.add, stub_sec, os, stub_file); | |
229 | ||
230 | if (info.add.head == NULL) | |
231 | goto err_ret; | |
232 | ||
68f8ff14 | 233 | stub_added = 1; |
9c1d81c1 AM |
234 | if (hook_in_stub (&info, &os->children.head)) |
235 | return stub_sec; | |
236 | ||
237 | err_ret: | |
238 | einfo ("%X%P: can not make stub section: %E\n"); | |
239 | return NULL; | |
240 | } | |
241 | ||
242 | ||
243 | /* Another call-back for ppc64_elf_size_stubs. */ | |
244 | ||
245 | static void | |
7d8a3a28 | 246 | ppc_layout_sections_again (void) |
9c1d81c1 AM |
247 | { |
248 | /* If we have changed sizes of the stub sections, then we need | |
249 | to recalculate all the section offsets. This may mean we need to | |
250 | add even more stubs. */ | |
251 | need_laying_out = 0; | |
252 | ||
253 | lang_reset_memory_regions (); | |
254 | ||
255 | /* Resize the sections. */ | |
256 | lang_size_sections (stat_ptr->head, abs_output_section, | |
7d8a3a28 | 257 | &stat_ptr->head, 0, 0, NULL, TRUE); |
9c1d81c1 AM |
258 | |
259 | /* Recalculate TOC base. */ | |
260 | ldemul_after_allocation (); | |
261 | ||
262 | /* Do the assignments again. */ | |
7d8a3a28 | 263 | lang_do_assignments (stat_ptr->head, abs_output_section, NULL, 0); |
9c1d81c1 AM |
264 | } |
265 | ||
1f808cd5 AM |
266 | |
267 | /* Call the back-end function to set TOC base after we have placed all | |
268 | the sections. */ | |
269 | static void | |
7d8a3a28 | 270 | gld${EMULATION_NAME}_after_allocation (void) |
1f808cd5 | 271 | { |
1049f94e | 272 | if (!link_info.relocatable) |
805fc799 | 273 | _bfd_set_gp_value (output_bfd, ppc64_elf_toc (output_bfd)); |
1f808cd5 AM |
274 | } |
275 | ||
9c1d81c1 | 276 | |
0b9a4d73 | 277 | static void |
7d8a3a28 | 278 | build_toc_list (lang_statement_union_type *statement) |
0b9a4d73 AM |
279 | { |
280 | if (statement->header.type == lang_input_section_enum | |
281 | && !statement->input_section.ifile->just_syms_flag | |
57ceae94 | 282 | && (statement->input_section.section->flags & SEC_EXCLUDE) == 0 |
0b9a4d73 | 283 | && statement->input_section.section->output_section == toc_section) |
7d8a3a28 | 284 | ppc64_elf_next_toc_section (&link_info, statement->input_section.section); |
0b9a4d73 AM |
285 | } |
286 | ||
287 | ||
9c1d81c1 | 288 | static void |
7d8a3a28 | 289 | build_section_lists (lang_statement_union_type *statement) |
9c1d81c1 AM |
290 | { |
291 | if (statement->header.type == lang_input_section_enum | |
805fc799 | 292 | && !statement->input_section.ifile->just_syms_flag |
57ceae94 | 293 | && (statement->input_section.section->flags & SEC_EXCLUDE) == 0 |
805fc799 AM |
294 | && statement->input_section.section->output_section != NULL |
295 | && statement->input_section.section->output_section->owner == output_bfd) | |
9c1d81c1 | 296 | { |
6bc8652b AM |
297 | if (!ppc64_elf_next_input_section (&link_info, |
298 | statement->input_section.section)) | |
299 | einfo ("%X%P: can not size stub section: %E\n"); | |
9c1d81c1 AM |
300 | } |
301 | } | |
302 | ||
fac1652d | 303 | |
9c1d81c1 | 304 | /* Final emulation specific call. */ |
1f808cd5 AM |
305 | |
306 | static void | |
7d8a3a28 | 307 | gld${EMULATION_NAME}_finish (void) |
1f808cd5 | 308 | { |
1e281515 AM |
309 | /* e_entry on PowerPC64 points to the function descriptor for |
310 | _start. If _start is missing, default to the first function | |
311 | descriptor in the .opd section. */ | |
312 | entry_section = ".opd"; | |
313 | ||
7a945db6 | 314 | /* bfd_elf_discard_info just plays with debugging sections, |
1f808cd5 AM |
315 | ie. doesn't affect any code, so we can delay resizing the |
316 | sections. It's likely we'll resize everything in the process of | |
9c1d81c1 | 317 | adding stubs. */ |
7a945db6 | 318 | if (bfd_elf_discard_info (output_bfd, &link_info)) |
1f808cd5 AM |
319 | need_laying_out = 1; |
320 | ||
836c6af1 AM |
321 | /* If generating a relocatable output file, then we don't have any |
322 | stubs. */ | |
1049f94e | 323 | if (stub_file != NULL && !link_info.relocatable) |
1f808cd5 | 324 | { |
836c6af1 AM |
325 | int ret = ppc64_elf_setup_section_lists (output_bfd, &link_info); |
326 | if (ret != 0) | |
9c1d81c1 | 327 | { |
836c6af1 AM |
328 | if (ret < 0) |
329 | { | |
330 | einfo ("%X%P: can not size stub section: %E\n"); | |
331 | return; | |
332 | } | |
9c1d81c1 | 333 | |
68f8ff14 | 334 | toc_section = bfd_get_section_by_name (output_bfd, ".got"); |
0b9a4d73 AM |
335 | if (toc_section != NULL) |
336 | lang_for_each_statement (build_toc_list); | |
337 | ||
338 | ppc64_elf_reinit_toc (output_bfd, &link_info); | |
339 | ||
836c6af1 | 340 | lang_for_each_statement (build_section_lists); |
9c1d81c1 | 341 | |
836c6af1 AM |
342 | /* Call into the BFD backend to do the real work. */ |
343 | if (!ppc64_elf_size_stubs (output_bfd, | |
836c6af1 AM |
344 | &link_info, |
345 | group_size, | |
346 | &ppc_add_stub_section, | |
347 | &ppc_layout_sections_again)) | |
348 | { | |
349 | einfo ("%X%P: can not size stub section: %E\n"); | |
350 | return; | |
351 | } | |
1f808cd5 | 352 | } |
9c1d81c1 | 353 | } |
1f808cd5 | 354 | |
9c1d81c1 AM |
355 | if (need_laying_out) |
356 | ppc_layout_sections_again (); | |
1f808cd5 | 357 | |
40e45c8b AM |
358 | if (link_info.relocatable) |
359 | { | |
360 | asection *toc = bfd_get_section_by_name (output_bfd, ".toc"); | |
361 | if (toc != NULL | |
362 | && bfd_section_size (output_bfd, toc) > 0x10000) | |
363 | einfo ("%X%P: TOC section size exceeds 64k\n"); | |
364 | } | |
365 | ||
68f8ff14 | 366 | if (stub_added) |
9c1d81c1 | 367 | { |
bda6c678 AM |
368 | char *msg = NULL; |
369 | char *line, *endline; | |
370 | ||
371 | if (!ppc64_elf_build_stubs (emit_stub_syms, &link_info, | |
372 | config.stats ? &msg : NULL)) | |
9c1d81c1 | 373 | einfo ("%X%P: can not build stubs: %E\n"); |
bda6c678 AM |
374 | |
375 | for (line = msg; line != NULL; line = endline) | |
376 | { | |
377 | endline = strchr (line, '\n'); | |
378 | if (endline != NULL) | |
379 | *endline++ = '\0'; | |
380 | fprintf (stderr, "%s: %s\n", program_name, line); | |
381 | } | |
382 | if (msg != NULL) | |
383 | free (msg); | |
9c1d81c1 | 384 | } |
99877b66 AM |
385 | |
386 | ppc64_elf_restore_symbols (&link_info); | |
9c1d81c1 | 387 | } |
1f808cd5 | 388 | |
76dc39fe | 389 | |
fac1652d AM |
390 | /* Add a pattern matching ".foo" for every "foo" in a version script. |
391 | ||
392 | The reason for doing this is that many shared library version | |
393 | scripts export a selected set of functions or data symbols, forcing | |
394 | others local. eg. | |
395 | ||
396 | . VERS_1 { | |
397 | . global: | |
398 | . this; that; some; thing; | |
399 | . local: | |
400 | . *; | |
401 | . }; | |
402 | ||
403 | To make the above work for PowerPC64, we need to export ".this", | |
404 | ".that" and so on, otherwise only the function descriptor syms are | |
405 | exported. Lack of an exported function code sym may cause a | |
406 | definition to be pulled in from a static library. */ | |
407 | ||
7d8a3a28 AM |
408 | static struct bfd_elf_version_expr * |
409 | gld${EMULATION_NAME}_new_vers_pattern (struct bfd_elf_version_expr *entry) | |
fac1652d AM |
410 | { |
411 | struct bfd_elf_version_expr *dot_entry; | |
fac1652d AM |
412 | unsigned int len; |
413 | char *dot_pat; | |
414 | ||
108ba305 | 415 | if (!dotsyms || entry->pattern[0] == '*' || entry->pattern[0] == '.') |
fac1652d AM |
416 | return entry; |
417 | ||
7d8a3a28 | 418 | dot_entry = xmalloc (sizeof *dot_entry); |
108ba305 | 419 | *dot_entry = *entry; |
fac1652d AM |
420 | dot_entry->next = entry; |
421 | len = strlen (entry->pattern) + 2; | |
422 | dot_pat = xmalloc (len); | |
423 | dot_pat[0] = '.'; | |
424 | memcpy (dot_pat + 1, entry->pattern, len - 1); | |
425 | dot_entry->pattern = dot_pat; | |
c4e33880 AM |
426 | if (entry->symbol != NULL) |
427 | { | |
428 | len = strlen (entry->symbol) + 2; | |
429 | dot_pat = xmalloc (len); | |
430 | dot_pat[0] = '.'; | |
431 | memcpy (dot_pat + 1, entry->symbol, len - 1); | |
432 | dot_entry->symbol = dot_pat; | |
433 | } | |
fac1652d AM |
434 | return dot_entry; |
435 | } | |
436 | ||
437 | ||
9c1d81c1 AM |
438 | /* Avoid processing the fake stub_file in vercheck, stat_needed and |
439 | check_needed routines. */ | |
1f808cd5 | 440 | |
7d8a3a28 | 441 | static void (*real_func) (lang_input_statement_type *); |
1f808cd5 | 442 | |
7d8a3a28 | 443 | static void ppc_for_each_input_file_wrapper (lang_input_statement_type *l) |
9c1d81c1 AM |
444 | { |
445 | if (l != stub_file) | |
446 | (*real_func) (l); | |
1f808cd5 | 447 | } |
9c1d81c1 AM |
448 | |
449 | static void | |
7d8a3a28 | 450 | ppc_lang_for_each_input_file (void (*func) (lang_input_statement_type *)) |
9c1d81c1 AM |
451 | { |
452 | real_func = func; | |
453 | lang_for_each_input_file (&ppc_for_each_input_file_wrapper); | |
454 | } | |
455 | ||
456 | #define lang_for_each_input_file ppc_lang_for_each_input_file | |
457 | ||
1f808cd5 AM |
458 | EOF |
459 | ||
9c1d81c1 AM |
460 | # Define some shell vars to insert bits of code into the standard elf |
461 | # parse_args and list_options functions. | |
462 | # | |
463 | PARSE_AND_LIST_PROLOGUE=' | |
464 | #define OPTION_STUBGROUP_SIZE 301 | |
0b9a4d73 AM |
465 | #define OPTION_STUBSYMS (OPTION_STUBGROUP_SIZE + 1) |
466 | #define OPTION_DOTSYMS (OPTION_STUBSYMS + 1) | |
fac1652d | 467 | #define OPTION_NO_DOTSYMS (OPTION_DOTSYMS + 1) |
e5096e3f | 468 | #define OPTION_NO_TLS_OPT (OPTION_NO_DOTSYMS + 1) |
3f764659 | 469 | #define OPTION_NON_OVERLAPPING_OPD (OPTION_NO_TLS_OPT + 1) |
9c1d81c1 AM |
470 | ' |
471 | ||
9c1d81c1 AM |
472 | PARSE_AND_LIST_LONGOPTS=' |
473 | { "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE }, | |
0b9a4d73 | 474 | { "emit-stub-syms", no_argument, NULL, OPTION_STUBSYMS }, |
fac1652d AM |
475 | { "dotsyms", no_argument, NULL, OPTION_DOTSYMS }, |
476 | { "no-dotsyms", no_argument, NULL, OPTION_NO_DOTSYMS }, | |
e5096e3f | 477 | { "no-tls-optimize", no_argument, NULL, OPTION_NO_TLS_OPT }, |
3f764659 | 478 | { "non-overlapping-opd", no_argument, NULL, OPTION_NON_OVERLAPPING_OPD }, |
9c1d81c1 AM |
479 | ' |
480 | ||
481 | PARSE_AND_LIST_OPTIONS=' | |
482 | fprintf (file, _("\ | |
483 | --stub-group-size=N Maximum size of a group of input sections that can be\n\ | |
484 | handled by one stub section. A negative value\n\ | |
485 | locates all stubs before their branches (with a\n\ | |
486 | group size of -N), while a positive value allows\n\ | |
487 | two groups of input sections, one before, and one\n\ | |
488 | after each stub section. Values of +/-1 indicate\n\ | |
489 | the linker should choose suitable defaults.\n" | |
490 | )); | |
fac1652d | 491 | fprintf (file, _("\ |
0b9a4d73 AM |
492 | --emit-stub-syms Label linker stubs with a symbol.\n" |
493 | )); | |
494 | fprintf (file, _("\ | |
fac1652d AM |
495 | --dotsyms For every version pattern \"foo\" in a version script,\n\ |
496 | add \".foo\" so that function code symbols are\n\ | |
497 | treated the same as function descriptor symbols.\n\ | |
498 | Defaults to on.\n" | |
499 | )); | |
500 | fprintf (file, _("\ | |
501 | --no-dotsyms Don'\''t do anything special in version scripts.\n" | |
502 | )); | |
e5096e3f AM |
503 | fprintf (file, _("\ |
504 | --no-tls-optimize Don'\''t try to optimize TLS accesses.\n" | |
505 | )); | |
3f764659 JJ |
506 | fprintf (file, _("\ |
507 | --non-overlapping-opd Canonicalize .opd, so that there are no overlapping\n\ | |
508 | .opd entries.\n" | |
509 | )); | |
9c1d81c1 AM |
510 | ' |
511 | ||
512 | PARSE_AND_LIST_ARGS_CASES=' | |
513 | case OPTION_STUBGROUP_SIZE: | |
514 | { | |
515 | const char *end; | |
516 | group_size = bfd_scan_vma (optarg, &end, 0); | |
517 | if (*end) | |
518 | einfo (_("%P%F: invalid number `%s'\''\n"), optarg); | |
519 | } | |
520 | break; | |
fac1652d | 521 | |
0b9a4d73 AM |
522 | case OPTION_STUBSYMS: |
523 | emit_stub_syms = 1; | |
524 | break; | |
525 | ||
fac1652d | 526 | case OPTION_DOTSYMS: |
e5096e3f | 527 | dotsyms = 1; |
fac1652d AM |
528 | break; |
529 | ||
530 | case OPTION_NO_DOTSYMS: | |
e5096e3f AM |
531 | dotsyms = 0; |
532 | break; | |
533 | ||
534 | case OPTION_NO_TLS_OPT: | |
535 | notlsopt = 1; | |
fac1652d | 536 | break; |
3f764659 JJ |
537 | |
538 | case OPTION_NON_OVERLAPPING_OPD: | |
539 | non_overlapping_opd = 1; | |
540 | break; | |
9c1d81c1 AM |
541 | ' |
542 | ||
1f808cd5 AM |
543 | # Put these extra ppc64elf routines in ld_${EMULATION_NAME}_emulation |
544 | # | |
836c6af1 | 545 | LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation |
1f808cd5 AM |
546 | LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation |
547 | LDEMUL_FINISH=gld${EMULATION_NAME}_finish | |
9c1d81c1 | 548 | LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements |
fac1652d | 549 | LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern |