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Commit | Line | Data |
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8e5a525c AM |
1 | /* A YACC grammar to parse a superset of the AT&T linker scripting language. |
2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, | |
b717d30e | 3 | 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com). |
5 | ||
3ec57632 | 6 | This file is part of GNU ld. |
252b5132 | 7 | |
3ec57632 NC |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
252b5132 | 12 | |
3ec57632 NC |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
252b5132 | 17 | |
3ec57632 NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
75be928b | 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 RH |
21 | |
22 | %{ | |
23 | /* | |
24 | ||
25 | */ | |
26 | ||
27 | #define DONTDECLARE_MALLOC | |
28 | ||
29 | #include "bfd.h" | |
30 | #include "sysdep.h" | |
31 | #include "bfdlink.h" | |
d038301c | 32 | #include "ld.h" |
252b5132 RH |
33 | #include "ldexp.h" |
34 | #include "ldver.h" | |
35 | #include "ldlang.h" | |
252b5132 | 36 | #include "ldfile.h" |
b71e2778 | 37 | #include "ldemul.h" |
252b5132 RH |
38 | #include "ldmisc.h" |
39 | #include "ldmain.h" | |
40 | #include "mri.h" | |
41 | #include "ldctor.h" | |
42 | #include "ldlex.h" | |
43 | ||
44 | #ifndef YYDEBUG | |
45 | #define YYDEBUG 1 | |
46 | #endif | |
47 | ||
48 | static enum section_type sectype; | |
279e75dc | 49 | static lang_memory_region_type *region; |
252b5132 | 50 | |
279e75dc | 51 | static bfd_boolean ldgram_want_filename = TRUE; |
b34976b6 AM |
52 | FILE *saved_script_handle = NULL; |
53 | bfd_boolean force_make_executable = FALSE; | |
252b5132 | 54 | |
b34976b6 AM |
55 | bfd_boolean ldgram_in_script = FALSE; |
56 | bfd_boolean ldgram_had_equals = FALSE; | |
57 | bfd_boolean ldgram_had_keep = FALSE; | |
252b5132 RH |
58 | char *ldgram_vers_current_lang = NULL; |
59 | ||
60 | #define ERROR_NAME_MAX 20 | |
61 | static char *error_names[ERROR_NAME_MAX]; | |
62 | static int error_index; | |
63 | #define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++; | |
64 | #define POP_ERROR() error_index--; | |
65 | %} | |
66 | %union { | |
67 | bfd_vma integer; | |
2c382fb6 AM |
68 | struct big_int |
69 | { | |
70 | bfd_vma integer; | |
71 | char *str; | |
72 | } bigint; | |
73 | fill_type *fill; | |
252b5132 RH |
74 | char *name; |
75 | const char *cname; | |
76 | struct wildcard_spec wildcard; | |
b6bf44ba | 77 | struct wildcard_list *wildcard_list; |
18625d54 | 78 | struct name_list *name_list; |
252b5132 RH |
79 | int token; |
80 | union etree_union *etree; | |
81 | struct phdr_info | |
82 | { | |
b34976b6 AM |
83 | bfd_boolean filehdr; |
84 | bfd_boolean phdrs; | |
252b5132 RH |
85 | union etree_union *at; |
86 | union etree_union *flags; | |
87 | } phdr; | |
88 | struct lang_nocrossref *nocrossref; | |
89 | struct lang_output_section_phdr_list *section_phdr; | |
90 | struct bfd_elf_version_deps *deflist; | |
91 | struct bfd_elf_version_expr *versyms; | |
92 | struct bfd_elf_version_tree *versnode; | |
93 | } | |
94 | ||
95 | %type <etree> exp opt_exp_with_type mustbe_exp opt_at phdr_type phdr_val | |
7e7d5768 | 96 | %type <etree> opt_exp_without_type opt_subalign |
2c382fb6 | 97 | %type <fill> fill_opt fill_exp |
18625d54 | 98 | %type <name_list> exclude_name_list |
b6bf44ba | 99 | %type <wildcard_list> file_NAME_list |
252b5132 | 100 | %type <name> memspec_opt casesymlist |
562d3460 | 101 | %type <name> memspec_at_opt |
252b5132 RH |
102 | %type <cname> wildcard_name |
103 | %type <wildcard> wildcard_spec | |
d038301c | 104 | %token <bigint> INT |
252b5132 RH |
105 | %token <name> NAME LNAME |
106 | %type <integer> length | |
107 | %type <phdr> phdr_qualifiers | |
108 | %type <nocrossref> nocrossref_list | |
109 | %type <section_phdr> phdr_opt | |
110 | %type <integer> opt_nocrossrefs | |
111 | ||
d038301c | 112 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ |
252b5132 RH |
113 | %right <token> '?' ':' |
114 | %left <token> OROR | |
115 | %left <token> ANDAND | |
116 | %left <token> '|' | |
117 | %left <token> '^' | |
118 | %left <token> '&' | |
119 | %left <token> EQ NE | |
120 | %left <token> '<' '>' LE GE | |
121 | %left <token> LSHIFT RSHIFT | |
122 | ||
123 | %left <token> '+' '-' | |
124 | %left <token> '*' '/' '%' | |
125 | ||
126 | %right UNARY | |
d038301c | 127 | %token END |
252b5132 RH |
128 | %left <token> '(' |
129 | %token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE | |
bcaa7b3e L |
130 | %token SECTIONS PHDRS DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END |
131 | %token SORT_BY_NAME SORT_BY_ALIGNMENT | |
252b5132 RH |
132 | %token '{' '}' |
133 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH | |
4818e05f | 134 | %token INHIBIT_COMMON_ALLOCATION |
252b5132 | 135 | %token SIZEOF_HEADERS |
ba916c8a | 136 | %token SEGMENT_START |
252b5132 RH |
137 | %token INCLUDE |
138 | %token MEMORY DEFSYMEND | |
139 | %token NOLOAD DSECT COPY INFO OVERLAY | |
140 | %token NAME LNAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY | |
141 | %token <integer> NEXT | |
142 | %token SIZEOF ADDR LOADADDR MAX_K MIN_K | |
143 | %token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS | |
144 | %token ORIGIN FILL | |
145 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS | |
b717d30e | 146 | %token ALIGNMOD AT SUBALIGN PROVIDE AS_NEEDED |
0841712e | 147 | %type <token> assign_op atype attributes_opt sect_constraint |
252b5132 RH |
148 | %type <name> filename |
149 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K | |
150 | %token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL | |
151 | %token INPUT_SCRIPT INPUT_MRI_SCRIPT INPUT_DEFSYM CASE EXTERN START | |
152 | %token <name> VERS_TAG VERS_IDENTIFIER | |
153 | %token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT | |
0cf7d72c | 154 | %token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL |
252b5132 RH |
155 | %token EXCLUDE_FILE |
156 | %type <versyms> vers_defns | |
157 | %type <versnode> vers_tag | |
158 | %type <deflist> verdep | |
159 | ||
160 | %% | |
161 | ||
d038301c | 162 | file: |
252b5132 RH |
163 | INPUT_SCRIPT script_file |
164 | | INPUT_MRI_SCRIPT mri_script_file | |
165 | | INPUT_VERSION_SCRIPT version_script_file | |
166 | | INPUT_DEFSYM defsym_expr | |
167 | ; | |
168 | ||
169 | ||
170 | filename: NAME; | |
171 | ||
172 | ||
173 | defsym_expr: | |
174 | { ldlex_defsym(); } | |
175 | NAME '=' exp | |
176 | { | |
177 | ldlex_popstate(); | |
178 | lang_add_assignment(exp_assop($3,$2,$4)); | |
179 | } | |
944cd72c | 180 | ; |
252b5132 | 181 | |
d038301c | 182 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
252b5132 RH |
183 | mri_script_file: |
184 | { | |
185 | ldlex_mri_script (); | |
186 | PUSH_ERROR (_("MRI style script")); | |
187 | } | |
188 | mri_script_lines | |
189 | { | |
190 | ldlex_popstate (); | |
191 | mri_draw_tree (); | |
192 | POP_ERROR (); | |
193 | } | |
194 | ; | |
195 | ||
196 | mri_script_lines: | |
197 | mri_script_lines mri_script_command NEWLINE | |
198 | | | |
199 | ; | |
200 | ||
201 | mri_script_command: | |
d038301c | 202 | CHIP exp |
252b5132 RH |
203 | | CHIP exp ',' exp |
204 | | NAME { | |
205 | einfo(_("%P%F: unrecognised keyword in MRI style script '%s'\n"),$1); | |
206 | } | |
207 | | LIST { | |
208 | config.map_filename = "-"; | |
209 | } | |
210 | | ORDER ordernamelist | |
d038301c | 211 | | ENDWORD |
252b5132 RH |
212 | | PUBLIC NAME '=' exp |
213 | { mri_public($2, $4); } | |
214 | | PUBLIC NAME ',' exp | |
215 | { mri_public($2, $4); } | |
d038301c | 216 | | PUBLIC NAME exp |
252b5132 RH |
217 | { mri_public($2, $3); } |
218 | | FORMAT NAME | |
219 | { mri_format($2); } | |
220 | | SECT NAME ',' exp | |
221 | { mri_output_section($2, $4);} | |
222 | | SECT NAME exp | |
223 | { mri_output_section($2, $3);} | |
224 | | SECT NAME '=' exp | |
225 | { mri_output_section($2, $4);} | |
226 | | ALIGN_K NAME '=' exp | |
227 | { mri_align($2,$4); } | |
228 | | ALIGN_K NAME ',' exp | |
229 | { mri_align($2,$4); } | |
230 | | ALIGNMOD NAME '=' exp | |
231 | { mri_alignmod($2,$4); } | |
232 | | ALIGNMOD NAME ',' exp | |
233 | { mri_alignmod($2,$4); } | |
234 | | ABSOLUTE mri_abs_name_list | |
235 | | LOAD mri_load_name_list | |
d038301c RM |
236 | | NAMEWORD NAME |
237 | { mri_name($2); } | |
252b5132 RH |
238 | | ALIAS NAME ',' NAME |
239 | { mri_alias($2,$4,0);} | |
240 | | ALIAS NAME ',' INT | |
2c382fb6 | 241 | { mri_alias ($2, 0, (int) $4.integer); } |
252b5132 RH |
242 | | BASE exp |
243 | { mri_base($2); } | |
2c382fb6 AM |
244 | | TRUNCATE INT |
245 | { mri_truncate ((unsigned int) $2.integer); } | |
252b5132 RH |
246 | | CASE casesymlist |
247 | | EXTERN extern_name_list | |
248 | | INCLUDE filename | |
b47c4208 AM |
249 | { ldlex_script (); ldfile_open_command_file($2); } |
250 | mri_script_lines END | |
251 | { ldlex_popstate (); } | |
252b5132 | 252 | | START NAME |
b34976b6 | 253 | { lang_add_entry ($2, FALSE); } |
252b5132 RH |
254 | | |
255 | ; | |
256 | ||
257 | ordernamelist: | |
258 | ordernamelist ',' NAME { mri_order($3); } | |
259 | | ordernamelist NAME { mri_order($2); } | |
260 | | | |
261 | ; | |
262 | ||
263 | mri_load_name_list: | |
264 | NAME | |
265 | { mri_load($1); } | |
266 | | mri_load_name_list ',' NAME { mri_load($3); } | |
267 | ; | |
268 | ||
269 | mri_abs_name_list: | |
270 | NAME | |
271 | { mri_only_load($1); } | |
272 | | mri_abs_name_list ',' NAME | |
273 | { mri_only_load($3); } | |
274 | ; | |
275 | ||
276 | casesymlist: | |
277 | /* empty */ { $$ = NULL; } | |
278 | | NAME | |
279 | | casesymlist ',' NAME | |
280 | ; | |
281 | ||
282 | extern_name_list: | |
283 | NAME | |
284 | { ldlang_add_undef ($1); } | |
285 | | extern_name_list NAME | |
286 | { ldlang_add_undef ($2); } | |
287 | | extern_name_list ',' NAME | |
288 | { ldlang_add_undef ($3); } | |
289 | ; | |
290 | ||
291 | script_file: | |
292 | { | |
293 | ldlex_both(); | |
294 | } | |
295 | ifile_list | |
296 | { | |
297 | ldlex_popstate(); | |
298 | } | |
299 | ; | |
300 | ||
301 | ||
302 | ifile_list: | |
303 | ifile_list ifile_p1 | |
304 | | | |
305 | ; | |
306 | ||
307 | ||
308 | ||
309 | ifile_p1: | |
310 | memory | |
311 | | sections | |
312 | | phdrs | |
313 | | startup | |
314 | | high_level_library | |
315 | | low_level_library | |
316 | | floating_point_support | |
317 | | statement_anywhere | |
318 | | version | |
319 | | ';' | |
320 | | TARGET_K '(' NAME ')' | |
321 | { lang_add_target($3); } | |
322 | | SEARCH_DIR '(' filename ')' | |
b34976b6 | 323 | { ldfile_add_library_path ($3, FALSE); } |
252b5132 RH |
324 | | OUTPUT '(' filename ')' |
325 | { lang_add_output($3, 1); } | |
326 | | OUTPUT_FORMAT '(' NAME ')' | |
327 | { lang_add_output_format ($3, (char *) NULL, | |
328 | (char *) NULL, 1); } | |
329 | | OUTPUT_FORMAT '(' NAME ',' NAME ',' NAME ')' | |
330 | { lang_add_output_format ($3, $5, $7, 1); } | |
331 | | OUTPUT_ARCH '(' NAME ')' | |
5e2f1575 | 332 | { ldfile_set_output_arch ($3, bfd_arch_unknown); } |
252b5132 | 333 | | FORCE_COMMON_ALLOCATION |
b34976b6 | 334 | { command_line.force_common_definition = TRUE ; } |
4818e05f | 335 | | INHIBIT_COMMON_ALLOCATION |
b34976b6 | 336 | { command_line.inhibit_common_definition = TRUE ; } |
252b5132 RH |
337 | | INPUT '(' input_list ')' |
338 | | GROUP | |
339 | { lang_enter_group (); } | |
340 | '(' input_list ')' | |
341 | { lang_leave_group (); } | |
342 | | MAP '(' filename ')' | |
343 | { lang_add_map($3); } | |
d038301c | 344 | | INCLUDE filename |
b47c4208 AM |
345 | { ldlex_script (); ldfile_open_command_file($2); } |
346 | ifile_list END | |
347 | { ldlex_popstate (); } | |
252b5132 RH |
348 | | NOCROSSREFS '(' nocrossref_list ')' |
349 | { | |
350 | lang_add_nocrossref ($3); | |
351 | } | |
352 | | EXTERN '(' extern_name_list ')' | |
353 | ; | |
354 | ||
355 | input_list: | |
356 | NAME | |
357 | { lang_add_input_file($1,lang_input_file_is_search_file_enum, | |
358 | (char *)NULL); } | |
359 | | input_list ',' NAME | |
360 | { lang_add_input_file($3,lang_input_file_is_search_file_enum, | |
361 | (char *)NULL); } | |
362 | | input_list NAME | |
363 | { lang_add_input_file($2,lang_input_file_is_search_file_enum, | |
364 | (char *)NULL); } | |
365 | | LNAME | |
366 | { lang_add_input_file($1,lang_input_file_is_l_enum, | |
367 | (char *)NULL); } | |
368 | | input_list ',' LNAME | |
369 | { lang_add_input_file($3,lang_input_file_is_l_enum, | |
370 | (char *)NULL); } | |
371 | | input_list LNAME | |
372 | { lang_add_input_file($2,lang_input_file_is_l_enum, | |
373 | (char *)NULL); } | |
b717d30e JJ |
374 | | AS_NEEDED '(' |
375 | { $<integer>$ = as_needed; as_needed = TRUE; } | |
376 | input_list ')' | |
377 | { as_needed = $<integer>3; } | |
378 | | input_list ',' AS_NEEDED '(' | |
379 | { $<integer>$ = as_needed; as_needed = TRUE; } | |
380 | input_list ')' | |
381 | { as_needed = $<integer>5; } | |
382 | | input_list AS_NEEDED '(' | |
383 | { $<integer>$ = as_needed; as_needed = TRUE; } | |
384 | input_list ')' | |
385 | { as_needed = $<integer>4; } | |
252b5132 RH |
386 | ; |
387 | ||
388 | sections: | |
389 | SECTIONS '{' sec_or_group_p1 '}' | |
390 | ; | |
391 | ||
392 | sec_or_group_p1: | |
393 | sec_or_group_p1 section | |
394 | | sec_or_group_p1 statement_anywhere | |
395 | | | |
396 | ; | |
397 | ||
398 | statement_anywhere: | |
399 | ENTRY '(' NAME ')' | |
b34976b6 | 400 | { lang_add_entry ($3, FALSE); } |
252b5132 | 401 | | assignment end |
b6ca8815 NS |
402 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' |
403 | { ldlex_popstate (); | |
404 | lang_add_assignment (exp_assert ($4, $6)); } | |
252b5132 RH |
405 | ; |
406 | ||
407 | /* The '*' and '?' cases are there because the lexer returns them as | |
408 | separate tokens rather than as NAME. */ | |
409 | wildcard_name: | |
410 | NAME | |
411 | { | |
412 | $$ = $1; | |
413 | } | |
414 | | '*' | |
415 | { | |
416 | $$ = "*"; | |
417 | } | |
418 | | '?' | |
419 | { | |
420 | $$ = "?"; | |
421 | } | |
422 | ; | |
423 | ||
424 | wildcard_spec: | |
425 | wildcard_name | |
426 | { | |
427 | $$.name = $1; | |
bcaa7b3e | 428 | $$.sorted = none; |
18625d54 | 429 | $$.exclude_name_list = NULL; |
252b5132 | 430 | } |
18625d54 | 431 | | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name |
252b5132 RH |
432 | { |
433 | $$.name = $5; | |
bcaa7b3e | 434 | $$.sorted = none; |
18625d54 | 435 | $$.exclude_name_list = $3; |
252b5132 | 436 | } |
bcaa7b3e | 437 | | SORT_BY_NAME '(' wildcard_name ')' |
252b5132 RH |
438 | { |
439 | $$.name = $3; | |
bcaa7b3e | 440 | $$.sorted = by_name; |
18625d54 | 441 | $$.exclude_name_list = NULL; |
252b5132 | 442 | } |
bcaa7b3e L |
443 | | SORT_BY_ALIGNMENT '(' wildcard_name ')' |
444 | { | |
445 | $$.name = $3; | |
446 | $$.sorted = by_alignment; | |
447 | $$.exclude_name_list = NULL; | |
448 | } | |
449 | | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')' | |
450 | { | |
451 | $$.name = $5; | |
452 | $$.sorted = by_name_alignment; | |
453 | $$.exclude_name_list = NULL; | |
454 | } | |
455 | | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_name ')' ')' | |
456 | { | |
457 | $$.name = $5; | |
458 | $$.sorted = by_name; | |
459 | $$.exclude_name_list = NULL; | |
460 | } | |
461 | | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_name ')' ')' | |
462 | { | |
463 | $$.name = $5; | |
464 | $$.sorted = by_alignment_name; | |
465 | $$.exclude_name_list = NULL; | |
466 | } | |
467 | | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')' | |
468 | { | |
469 | $$.name = $5; | |
470 | $$.sorted = by_alignment; | |
471 | $$.exclude_name_list = NULL; | |
472 | } | |
473 | | SORT_BY_NAME '(' EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name ')' | |
252b5132 RH |
474 | { |
475 | $$.name = $7; | |
bcaa7b3e | 476 | $$.sorted = by_name; |
18625d54 | 477 | $$.exclude_name_list = $5; |
252b5132 RH |
478 | } |
479 | ; | |
480 | ||
18625d54 | 481 | exclude_name_list: |
765b7cbe | 482 | exclude_name_list wildcard_name |
18625d54 CM |
483 | { |
484 | struct name_list *tmp; | |
485 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
765b7cbe | 486 | tmp->name = $2; |
18625d54 | 487 | tmp->next = $1; |
d038301c | 488 | $$ = tmp; |
18625d54 CM |
489 | } |
490 | | | |
491 | wildcard_name | |
492 | { | |
493 | struct name_list *tmp; | |
494 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
495 | tmp->name = $1; | |
496 | tmp->next = NULL; | |
497 | $$ = tmp; | |
498 | } | |
499 | ; | |
500 | ||
252b5132 | 501 | file_NAME_list: |
b6bf44ba | 502 | file_NAME_list opt_comma wildcard_spec |
252b5132 | 503 | { |
b6bf44ba AM |
504 | struct wildcard_list *tmp; |
505 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
506 | tmp->next = $1; | |
507 | tmp->spec = $3; | |
508 | $$ = tmp; | |
252b5132 | 509 | } |
b6bf44ba AM |
510 | | |
511 | wildcard_spec | |
252b5132 | 512 | { |
b6bf44ba AM |
513 | struct wildcard_list *tmp; |
514 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
515 | tmp->next = NULL; | |
516 | tmp->spec = $1; | |
517 | $$ = tmp; | |
252b5132 RH |
518 | } |
519 | ; | |
520 | ||
521 | input_section_spec_no_keep: | |
522 | NAME | |
523 | { | |
b6bf44ba AM |
524 | struct wildcard_spec tmp; |
525 | tmp.name = $1; | |
526 | tmp.exclude_name_list = NULL; | |
bcaa7b3e | 527 | tmp.sorted = none; |
b6bf44ba | 528 | lang_add_wild (&tmp, NULL, ldgram_had_keep); |
252b5132 | 529 | } |
b6bf44ba | 530 | | '[' file_NAME_list ']' |
252b5132 | 531 | { |
b6bf44ba | 532 | lang_add_wild (NULL, $2, ldgram_had_keep); |
252b5132 | 533 | } |
b6bf44ba | 534 | | wildcard_spec '(' file_NAME_list ')' |
252b5132 | 535 | { |
b6bf44ba | 536 | lang_add_wild (&$1, $3, ldgram_had_keep); |
252b5132 | 537 | } |
252b5132 RH |
538 | ; |
539 | ||
540 | input_section_spec: | |
541 | input_section_spec_no_keep | |
542 | | KEEP '(' | |
b34976b6 | 543 | { ldgram_had_keep = TRUE; } |
252b5132 | 544 | input_section_spec_no_keep ')' |
b34976b6 | 545 | { ldgram_had_keep = FALSE; } |
252b5132 RH |
546 | ; |
547 | ||
548 | statement: | |
549 | assignment end | |
550 | | CREATE_OBJECT_SYMBOLS | |
551 | { | |
d038301c | 552 | lang_add_attribute(lang_object_symbols_statement_enum); |
252b5132 RH |
553 | } |
554 | | ';' | |
555 | | CONSTRUCTORS | |
556 | { | |
d038301c RM |
557 | |
558 | lang_add_attribute(lang_constructors_statement_enum); | |
252b5132 | 559 | } |
bcaa7b3e | 560 | | SORT_BY_NAME '(' CONSTRUCTORS ')' |
252b5132 | 561 | { |
b34976b6 | 562 | constructors_sorted = TRUE; |
252b5132 RH |
563 | lang_add_attribute (lang_constructors_statement_enum); |
564 | } | |
565 | | input_section_spec | |
566 | | length '(' mustbe_exp ')' | |
567 | { | |
2c382fb6 | 568 | lang_add_data ((int) $1, $3); |
252b5132 | 569 | } |
d038301c | 570 | |
2c382fb6 | 571 | | FILL '(' fill_exp ')' |
252b5132 | 572 | { |
2c382fb6 | 573 | lang_add_fill ($3); |
252b5132 RH |
574 | } |
575 | ; | |
576 | ||
577 | statement_list: | |
578 | statement_list statement | |
579 | | statement | |
580 | ; | |
d038301c | 581 | |
252b5132 RH |
582 | statement_list_opt: |
583 | /* empty */ | |
584 | | statement_list | |
585 | ; | |
586 | ||
587 | length: | |
588 | QUAD | |
589 | { $$ = $1; } | |
590 | | SQUAD | |
591 | { $$ = $1; } | |
592 | | LONG | |
593 | { $$ = $1; } | |
594 | | SHORT | |
595 | { $$ = $1; } | |
596 | | BYTE | |
597 | { $$ = $1; } | |
598 | ; | |
599 | ||
2c382fb6 AM |
600 | fill_exp: |
601 | mustbe_exp | |
252b5132 | 602 | { |
e9ee469a | 603 | $$ = exp_get_fill ($1, 0, "fill value"); |
252b5132 | 604 | } |
252b5132 RH |
605 | ; |
606 | ||
2c382fb6 AM |
607 | fill_opt: |
608 | '=' fill_exp | |
609 | { $$ = $2; } | |
610 | | { $$ = (fill_type *) 0; } | |
611 | ; | |
252b5132 RH |
612 | |
613 | assign_op: | |
614 | PLUSEQ | |
615 | { $$ = '+'; } | |
616 | | MINUSEQ | |
617 | { $$ = '-'; } | |
618 | | MULTEQ | |
619 | { $$ = '*'; } | |
620 | | DIVEQ | |
621 | { $$ = '/'; } | |
622 | | LSHIFTEQ | |
623 | { $$ = LSHIFT; } | |
624 | | RSHIFTEQ | |
625 | { $$ = RSHIFT; } | |
626 | | ANDEQ | |
627 | { $$ = '&'; } | |
628 | | OREQ | |
629 | { $$ = '|'; } | |
630 | ||
631 | ; | |
632 | ||
633 | end: ';' | ',' | |
634 | ; | |
635 | ||
636 | ||
637 | assignment: | |
638 | NAME '=' mustbe_exp | |
639 | { | |
640 | lang_add_assignment (exp_assop ($2, $1, $3)); | |
641 | } | |
642 | | NAME assign_op mustbe_exp | |
643 | { | |
644 | lang_add_assignment (exp_assop ('=', $1, | |
645 | exp_binop ($2, | |
646 | exp_nameop (NAME, | |
647 | $1), | |
648 | $3))); | |
649 | } | |
650 | | PROVIDE '(' NAME '=' mustbe_exp ')' | |
651 | { | |
652 | lang_add_assignment (exp_provide ($3, $5)); | |
653 | } | |
654 | ; | |
655 | ||
656 | ||
657 | opt_comma: | |
658 | ',' | ; | |
659 | ||
660 | ||
661 | memory: | |
662 | MEMORY '{' memory_spec memory_spec_list '}' | |
663 | ; | |
664 | ||
665 | memory_spec_list: | |
666 | memory_spec_list memory_spec | |
667 | | memory_spec_list ',' memory_spec | |
668 | | | |
669 | ; | |
670 | ||
671 | ||
2d801b0f | 672 | memory_spec: NAME |
a747ee4d | 673 | { region = lang_memory_region_lookup ($1, TRUE); } |
252b5132 RH |
674 | attributes_opt ':' |
675 | origin_spec opt_comma length_spec | |
2d801b0f | 676 | {} |
74459f0e TW |
677 | ; |
678 | ||
679 | origin_spec: | |
252b5132 | 680 | ORIGIN '=' mustbe_exp |
e9ee469a AM |
681 | { |
682 | region->origin = exp_get_vma ($3, 0, "origin"); | |
683 | region->current = region->origin; | |
684 | } | |
252b5132 RH |
685 | ; |
686 | ||
687 | length_spec: | |
688 | LENGTH '=' mustbe_exp | |
e9ee469a AM |
689 | { |
690 | region->length = exp_get_vma ($3, -1, "length"); | |
252b5132 | 691 | } |
aa8804e4 | 692 | ; |
252b5132 RH |
693 | |
694 | attributes_opt: | |
aa8804e4 ILT |
695 | /* empty */ |
696 | { /* dummy action to avoid bison 1.25 error message */ } | |
697 | | '(' attributes_list ')' | |
698 | ; | |
699 | ||
700 | attributes_list: | |
701 | attributes_string | |
702 | | attributes_list attributes_string | |
703 | ; | |
704 | ||
705 | attributes_string: | |
706 | NAME | |
707 | { lang_set_flags (region, $1, 0); } | |
708 | | '!' NAME | |
709 | { lang_set_flags (region, $2, 1); } | |
252b5132 RH |
710 | ; |
711 | ||
712 | startup: | |
713 | STARTUP '(' filename ')' | |
714 | { lang_startup($3); } | |
715 | ; | |
716 | ||
717 | high_level_library: | |
718 | HLL '(' high_level_library_NAME_list ')' | |
719 | | HLL '(' ')' | |
720 | { ldemul_hll((char *)NULL); } | |
721 | ; | |
722 | ||
723 | high_level_library_NAME_list: | |
724 | high_level_library_NAME_list opt_comma filename | |
725 | { ldemul_hll($3); } | |
726 | | filename | |
727 | { ldemul_hll($1); } | |
728 | ||
729 | ; | |
730 | ||
731 | low_level_library: | |
732 | SYSLIB '(' low_level_library_NAME_list ')' | |
733 | ; low_level_library_NAME_list: | |
734 | low_level_library_NAME_list opt_comma filename | |
735 | { ldemul_syslib($3); } | |
736 | | | |
737 | ; | |
738 | ||
739 | floating_point_support: | |
740 | FLOAT | |
b34976b6 | 741 | { lang_float(TRUE); } |
252b5132 | 742 | | NOFLOAT |
b34976b6 | 743 | { lang_float(FALSE); } |
252b5132 | 744 | ; |
d038301c | 745 | |
252b5132 RH |
746 | nocrossref_list: |
747 | /* empty */ | |
748 | { | |
749 | $$ = NULL; | |
750 | } | |
751 | | NAME nocrossref_list | |
752 | { | |
753 | struct lang_nocrossref *n; | |
754 | ||
755 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
756 | n->name = $1; | |
757 | n->next = $2; | |
758 | $$ = n; | |
759 | } | |
760 | | NAME ',' nocrossref_list | |
761 | { | |
762 | struct lang_nocrossref *n; | |
763 | ||
764 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
765 | n->name = $1; | |
766 | n->next = $3; | |
767 | $$ = n; | |
768 | } | |
769 | ; | |
770 | ||
3ec57632 | 771 | mustbe_exp: { ldlex_expression (); } |
252b5132 | 772 | exp |
3ec57632 | 773 | { ldlex_popstate (); $$=$2;} |
252b5132 RH |
774 | ; |
775 | ||
776 | exp : | |
777 | '-' exp %prec UNARY | |
3ec57632 | 778 | { $$ = exp_unop ('-', $2); } |
252b5132 RH |
779 | | '(' exp ')' |
780 | { $$ = $2; } | |
781 | | NEXT '(' exp ')' %prec UNARY | |
3ec57632 | 782 | { $$ = exp_unop ((int) $1,$3); } |
252b5132 | 783 | | '!' exp %prec UNARY |
3ec57632 | 784 | { $$ = exp_unop ('!', $2); } |
252b5132 RH |
785 | | '+' exp %prec UNARY |
786 | { $$ = $2; } | |
787 | | '~' exp %prec UNARY | |
3ec57632 | 788 | { $$ = exp_unop ('~', $2);} |
252b5132 RH |
789 | |
790 | | exp '*' exp | |
3ec57632 | 791 | { $$ = exp_binop ('*', $1, $3); } |
252b5132 | 792 | | exp '/' exp |
3ec57632 | 793 | { $$ = exp_binop ('/', $1, $3); } |
252b5132 | 794 | | exp '%' exp |
3ec57632 | 795 | { $$ = exp_binop ('%', $1, $3); } |
252b5132 | 796 | | exp '+' exp |
3ec57632 | 797 | { $$ = exp_binop ('+', $1, $3); } |
252b5132 | 798 | | exp '-' exp |
3ec57632 | 799 | { $$ = exp_binop ('-' , $1, $3); } |
252b5132 | 800 | | exp LSHIFT exp |
3ec57632 | 801 | { $$ = exp_binop (LSHIFT , $1, $3); } |
252b5132 | 802 | | exp RSHIFT exp |
3ec57632 | 803 | { $$ = exp_binop (RSHIFT , $1, $3); } |
252b5132 | 804 | | exp EQ exp |
3ec57632 | 805 | { $$ = exp_binop (EQ , $1, $3); } |
252b5132 | 806 | | exp NE exp |
3ec57632 | 807 | { $$ = exp_binop (NE , $1, $3); } |
252b5132 | 808 | | exp LE exp |
3ec57632 | 809 | { $$ = exp_binop (LE , $1, $3); } |
252b5132 | 810 | | exp GE exp |
3ec57632 | 811 | { $$ = exp_binop (GE , $1, $3); } |
252b5132 | 812 | | exp '<' exp |
3ec57632 | 813 | { $$ = exp_binop ('<' , $1, $3); } |
252b5132 | 814 | | exp '>' exp |
3ec57632 | 815 | { $$ = exp_binop ('>' , $1, $3); } |
252b5132 | 816 | | exp '&' exp |
3ec57632 | 817 | { $$ = exp_binop ('&' , $1, $3); } |
252b5132 | 818 | | exp '^' exp |
3ec57632 | 819 | { $$ = exp_binop ('^' , $1, $3); } |
252b5132 | 820 | | exp '|' exp |
3ec57632 | 821 | { $$ = exp_binop ('|' , $1, $3); } |
252b5132 | 822 | | exp '?' exp ':' exp |
3ec57632 | 823 | { $$ = exp_trinop ('?' , $1, $3, $5); } |
252b5132 | 824 | | exp ANDAND exp |
3ec57632 | 825 | { $$ = exp_binop (ANDAND , $1, $3); } |
252b5132 | 826 | | exp OROR exp |
3ec57632 | 827 | { $$ = exp_binop (OROR , $1, $3); } |
252b5132 | 828 | | DEFINED '(' NAME ')' |
3ec57632 | 829 | { $$ = exp_nameop (DEFINED, $3); } |
252b5132 | 830 | | INT |
2c382fb6 | 831 | { $$ = exp_bigintop ($1.integer, $1.str); } |
252b5132 | 832 | | SIZEOF_HEADERS |
3ec57632 | 833 | { $$ = exp_nameop (SIZEOF_HEADERS,0); } |
252b5132 RH |
834 | |
835 | | SIZEOF '(' NAME ')' | |
3ec57632 | 836 | { $$ = exp_nameop (SIZEOF,$3); } |
252b5132 | 837 | | ADDR '(' NAME ')' |
3ec57632 | 838 | { $$ = exp_nameop (ADDR,$3); } |
252b5132 | 839 | | LOADADDR '(' NAME ')' |
3ec57632 | 840 | { $$ = exp_nameop (LOADADDR,$3); } |
252b5132 | 841 | | ABSOLUTE '(' exp ')' |
3ec57632 | 842 | { $$ = exp_unop (ABSOLUTE, $3); } |
252b5132 | 843 | | ALIGN_K '(' exp ')' |
3ec57632 | 844 | { $$ = exp_unop (ALIGN_K,$3); } |
876f4090 | 845 | | ALIGN_K '(' exp ',' exp ')' |
3ec57632 | 846 | { $$ = exp_binop (ALIGN_K,$3,$5); } |
2d20f7bf JJ |
847 | | DATA_SEGMENT_ALIGN '(' exp ',' exp ')' |
848 | { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); } | |
a4f5ad88 JJ |
849 | | DATA_SEGMENT_RELRO_END '(' exp ',' exp ')' |
850 | { $$ = exp_binop (DATA_SEGMENT_RELRO_END, $5, $3); } | |
2d20f7bf | 851 | | DATA_SEGMENT_END '(' exp ')' |
3ec57632 | 852 | { $$ = exp_unop (DATA_SEGMENT_END, $3); } |
ba916c8a MM |
853 | | SEGMENT_START '(' NAME ',' exp ')' |
854 | { /* The operands to the expression node are | |
855 | placed in the opposite order from the way | |
856 | in which they appear in the script as | |
857 | that allows us to reuse more code in | |
858 | fold_binary. */ | |
859 | $$ = exp_binop (SEGMENT_START, | |
860 | $5, | |
861 | exp_nameop (NAME, $3)); } | |
252b5132 | 862 | | BLOCK '(' exp ')' |
3ec57632 | 863 | { $$ = exp_unop (ALIGN_K,$3); } |
252b5132 | 864 | | NAME |
3ec57632 | 865 | { $$ = exp_nameop (NAME,$1); } |
252b5132 RH |
866 | | MAX_K '(' exp ',' exp ')' |
867 | { $$ = exp_binop (MAX_K, $3, $5 ); } | |
868 | | MIN_K '(' exp ',' exp ')' | |
869 | { $$ = exp_binop (MIN_K, $3, $5 ); } | |
870 | | ASSERT_K '(' exp ',' NAME ')' | |
871 | { $$ = exp_assert ($3, $5); } | |
3ec57632 NC |
872 | | ORIGIN '(' NAME ')' |
873 | { $$ = exp_nameop (ORIGIN, $3); } | |
874 | | LENGTH '(' NAME ')' | |
875 | { $$ = exp_nameop (LENGTH, $3); } | |
252b5132 RH |
876 | ; |
877 | ||
878 | ||
562d3460 TW |
879 | memspec_at_opt: |
880 | AT '>' NAME { $$ = $3; } | |
9f88b410 | 881 | | { $$ = 0; } |
562d3460 TW |
882 | ; |
883 | ||
252b5132 RH |
884 | opt_at: |
885 | AT '(' exp ')' { $$ = $3; } | |
886 | | { $$ = 0; } | |
887 | ; | |
888 | ||
7e7d5768 AM |
889 | opt_subalign: |
890 | SUBALIGN '(' exp ')' { $$ = $3; } | |
891 | | { $$ = 0; } | |
892 | ; | |
893 | ||
0841712e JJ |
894 | sect_constraint: |
895 | ONLY_IF_RO { $$ = ONLY_IF_RO; } | |
896 | | ONLY_IF_RW { $$ = ONLY_IF_RW; } | |
0cf7d72c | 897 | | SPECIAL { $$ = SPECIAL; } |
0841712e JJ |
898 | | { $$ = 0; } |
899 | ; | |
900 | ||
252b5132 | 901 | section: NAME { ldlex_expression(); } |
d038301c | 902 | opt_exp_with_type |
7e7d5768 AM |
903 | opt_at |
904 | opt_subalign { ldlex_popstate (); ldlex_script (); } | |
0841712e | 905 | sect_constraint |
252b5132 RH |
906 | '{' |
907 | { | |
908 | lang_enter_output_section_statement($1, $3, | |
909 | sectype, | |
0841712e | 910 | 0, $5, $4, $7); |
252b5132 | 911 | } |
d038301c | 912 | statement_list_opt |
252b5132 | 913 | '}' { ldlex_popstate (); ldlex_expression (); } |
562d3460 | 914 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 RH |
915 | { |
916 | ldlex_popstate (); | |
0841712e | 917 | lang_leave_output_section_statement ($16, $13, $15, $14); |
252b5132 RH |
918 | } |
919 | opt_comma | |
2d801b0f | 920 | {} |
252b5132 RH |
921 | | OVERLAY |
922 | { ldlex_expression (); } | |
7e7d5768 | 923 | opt_exp_without_type opt_nocrossrefs opt_at opt_subalign |
252b5132 | 924 | { ldlex_popstate (); ldlex_script (); } |
d038301c | 925 | '{' |
252b5132 | 926 | { |
7e7d5768 | 927 | lang_enter_overlay ($3, $6); |
252b5132 RH |
928 | } |
929 | overlay_section | |
930 | '}' | |
931 | { ldlex_popstate (); ldlex_expression (); } | |
562d3460 | 932 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 RH |
933 | { |
934 | ldlex_popstate (); | |
9f88b410 | 935 | lang_leave_overlay ($5, (int) $4, |
7e7d5768 | 936 | $16, $13, $15, $14); |
252b5132 RH |
937 | } |
938 | opt_comma | |
939 | | /* The GROUP case is just enough to support the gcc | |
940 | svr3.ifile script. It is not intended to be full | |
941 | support. I'm not even sure what GROUP is supposed | |
942 | to mean. */ | |
943 | GROUP { ldlex_expression (); } | |
944 | opt_exp_with_type | |
945 | { | |
946 | ldlex_popstate (); | |
947 | lang_add_assignment (exp_assop ('=', ".", $3)); | |
948 | } | |
949 | '{' sec_or_group_p1 '}' | |
950 | ; | |
951 | ||
952 | type: | |
953 | NOLOAD { sectype = noload_section; } | |
954 | | DSECT { sectype = dsect_section; } | |
955 | | COPY { sectype = copy_section; } | |
956 | | INFO { sectype = info_section; } | |
957 | | OVERLAY { sectype = overlay_section; } | |
958 | ; | |
959 | ||
960 | atype: | |
961 | '(' type ')' | |
962 | | /* EMPTY */ { sectype = normal_section; } | |
963 | | '(' ')' { sectype = normal_section; } | |
964 | ; | |
965 | ||
966 | opt_exp_with_type: | |
967 | exp atype ':' { $$ = $1; } | |
968 | | atype ':' { $$ = (etree_type *)NULL; } | |
969 | | /* The BIND cases are to support the gcc svr3.ifile | |
970 | script. They aren't intended to implement full | |
971 | support for the BIND keyword. I'm not even sure | |
972 | what BIND is supposed to mean. */ | |
973 | BIND '(' exp ')' atype ':' { $$ = $3; } | |
974 | | BIND '(' exp ')' BLOCK '(' exp ')' atype ':' | |
975 | { $$ = $3; } | |
976 | ; | |
977 | ||
978 | opt_exp_without_type: | |
979 | exp ':' { $$ = $1; } | |
980 | | ':' { $$ = (etree_type *) NULL; } | |
981 | ; | |
982 | ||
983 | opt_nocrossrefs: | |
984 | /* empty */ | |
985 | { $$ = 0; } | |
986 | | NOCROSSREFS | |
987 | { $$ = 1; } | |
988 | ; | |
989 | ||
990 | memspec_opt: | |
991 | '>' NAME | |
992 | { $$ = $2; } | |
a747ee4d | 993 | | { $$ = DEFAULT_MEMORY_REGION; } |
252b5132 RH |
994 | ; |
995 | ||
996 | phdr_opt: | |
997 | /* empty */ | |
998 | { | |
999 | $$ = NULL; | |
1000 | } | |
1001 | | phdr_opt ':' NAME | |
1002 | { | |
1003 | struct lang_output_section_phdr_list *n; | |
1004 | ||
1005 | n = ((struct lang_output_section_phdr_list *) | |
1006 | xmalloc (sizeof *n)); | |
1007 | n->name = $3; | |
b34976b6 | 1008 | n->used = FALSE; |
252b5132 RH |
1009 | n->next = $1; |
1010 | $$ = n; | |
1011 | } | |
1012 | ; | |
1013 | ||
1014 | overlay_section: | |
1015 | /* empty */ | |
1016 | | overlay_section | |
1017 | NAME | |
1018 | { | |
1019 | ldlex_script (); | |
1020 | lang_enter_overlay_section ($2); | |
1021 | } | |
1022 | '{' statement_list_opt '}' | |
1023 | { ldlex_popstate (); ldlex_expression (); } | |
1024 | phdr_opt fill_opt | |
1025 | { | |
1026 | ldlex_popstate (); | |
1027 | lang_leave_overlay_section ($9, $8); | |
1028 | } | |
1029 | opt_comma | |
1030 | ; | |
1031 | ||
1032 | phdrs: | |
1033 | PHDRS '{' phdr_list '}' | |
1034 | ; | |
1035 | ||
1036 | phdr_list: | |
1037 | /* empty */ | |
1038 | | phdr_list phdr | |
1039 | ; | |
1040 | ||
1041 | phdr: | |
1042 | NAME { ldlex_expression (); } | |
1043 | phdr_type phdr_qualifiers { ldlex_popstate (); } | |
1044 | ';' | |
1045 | { | |
1046 | lang_new_phdr ($1, $3, $4.filehdr, $4.phdrs, $4.at, | |
1047 | $4.flags); | |
1048 | } | |
1049 | ; | |
1050 | ||
1051 | phdr_type: | |
1052 | exp | |
1053 | { | |
1054 | $$ = $1; | |
1055 | ||
1056 | if ($1->type.node_class == etree_name | |
1057 | && $1->type.node_code == NAME) | |
1058 | { | |
1059 | const char *s; | |
1060 | unsigned int i; | |
1061 | static const char * const phdr_types[] = | |
1062 | { | |
1063 | "PT_NULL", "PT_LOAD", "PT_DYNAMIC", | |
1064 | "PT_INTERP", "PT_NOTE", "PT_SHLIB", | |
d038301c | 1065 | "PT_PHDR", "PT_TLS" |
252b5132 RH |
1066 | }; |
1067 | ||
1068 | s = $1->name.name; | |
1069 | for (i = 0; | |
1070 | i < sizeof phdr_types / sizeof phdr_types[0]; | |
1071 | i++) | |
1072 | if (strcmp (s, phdr_types[i]) == 0) | |
1073 | { | |
1074 | $$ = exp_intop (i); | |
1075 | break; | |
1076 | } | |
d038301c RM |
1077 | if (i == sizeof phdr_types / sizeof phdr_types[0]) |
1078 | { | |
1079 | if (strcmp (s, "PT_GNU_EH_FRAME") == 0) | |
1080 | $$ = exp_intop (0x6474e550); | |
9ee5e499 JJ |
1081 | else if (strcmp (s, "PT_GNU_STACK") == 0) |
1082 | $$ = exp_intop (0x6474e551); | |
d038301c RM |
1083 | else |
1084 | { | |
1085 | einfo (_("\ | |
1086 | %X%P:%S: unknown phdr type `%s' (try integer literal)\n"), | |
1087 | s); | |
1088 | $$ = exp_intop (0); | |
1089 | } | |
1090 | } | |
252b5132 RH |
1091 | } |
1092 | } | |
1093 | ; | |
1094 | ||
1095 | phdr_qualifiers: | |
1096 | /* empty */ | |
1097 | { | |
1098 | memset (&$$, 0, sizeof (struct phdr_info)); | |
1099 | } | |
1100 | | NAME phdr_val phdr_qualifiers | |
1101 | { | |
1102 | $$ = $3; | |
1103 | if (strcmp ($1, "FILEHDR") == 0 && $2 == NULL) | |
b34976b6 | 1104 | $$.filehdr = TRUE; |
252b5132 | 1105 | else if (strcmp ($1, "PHDRS") == 0 && $2 == NULL) |
b34976b6 | 1106 | $$.phdrs = TRUE; |
252b5132 RH |
1107 | else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL) |
1108 | $$.flags = $2; | |
1109 | else | |
1110 | einfo (_("%X%P:%S: PHDRS syntax error at `%s'\n"), $1); | |
1111 | } | |
1112 | | AT '(' exp ')' phdr_qualifiers | |
1113 | { | |
1114 | $$ = $5; | |
1115 | $$.at = $3; | |
1116 | } | |
1117 | ; | |
1118 | ||
1119 | phdr_val: | |
1120 | /* empty */ | |
1121 | { | |
1122 | $$ = NULL; | |
1123 | } | |
1124 | | '(' exp ')' | |
1125 | { | |
1126 | $$ = $2; | |
1127 | } | |
1128 | ; | |
1129 | ||
1130 | /* This syntax is used within an external version script file. */ | |
1131 | ||
1132 | version_script_file: | |
1133 | { | |
1134 | ldlex_version_file (); | |
1135 | PUSH_ERROR (_("VERSION script")); | |
1136 | } | |
1137 | vers_nodes | |
1138 | { | |
1139 | ldlex_popstate (); | |
1140 | POP_ERROR (); | |
1141 | } | |
1142 | ; | |
1143 | ||
1144 | /* This is used within a normal linker script file. */ | |
1145 | ||
1146 | version: | |
1147 | { | |
1148 | ldlex_version_script (); | |
1149 | } | |
1150 | VERSIONK '{' vers_nodes '}' | |
1151 | { | |
1152 | ldlex_popstate (); | |
1153 | } | |
1154 | ; | |
1155 | ||
1156 | vers_nodes: | |
1157 | vers_node | |
1158 | | vers_nodes vers_node | |
1159 | ; | |
1160 | ||
1161 | vers_node: | |
6b9b879a JJ |
1162 | '{' vers_tag '}' ';' |
1163 | { | |
1164 | lang_register_vers_node (NULL, $2, NULL); | |
1165 | } | |
1166 | | VERS_TAG '{' vers_tag '}' ';' | |
252b5132 RH |
1167 | { |
1168 | lang_register_vers_node ($1, $3, NULL); | |
1169 | } | |
1170 | | VERS_TAG '{' vers_tag '}' verdep ';' | |
1171 | { | |
1172 | lang_register_vers_node ($1, $3, $5); | |
1173 | } | |
1174 | ; | |
1175 | ||
1176 | verdep: | |
1177 | VERS_TAG | |
1178 | { | |
1179 | $$ = lang_add_vers_depend (NULL, $1); | |
1180 | } | |
1181 | | verdep VERS_TAG | |
1182 | { | |
1183 | $$ = lang_add_vers_depend ($1, $2); | |
1184 | } | |
1185 | ; | |
1186 | ||
1187 | vers_tag: | |
1188 | /* empty */ | |
1189 | { | |
1190 | $$ = lang_new_vers_node (NULL, NULL); | |
1191 | } | |
1192 | | vers_defns ';' | |
1193 | { | |
1194 | $$ = lang_new_vers_node ($1, NULL); | |
1195 | } | |
1196 | | GLOBAL ':' vers_defns ';' | |
1197 | { | |
1198 | $$ = lang_new_vers_node ($3, NULL); | |
1199 | } | |
1200 | | LOCAL ':' vers_defns ';' | |
1201 | { | |
1202 | $$ = lang_new_vers_node (NULL, $3); | |
1203 | } | |
1204 | | GLOBAL ':' vers_defns ';' LOCAL ':' vers_defns ';' | |
1205 | { | |
1206 | $$ = lang_new_vers_node ($3, $7); | |
1207 | } | |
1208 | ; | |
1209 | ||
1210 | vers_defns: | |
1211 | VERS_IDENTIFIER | |
1212 | { | |
313e35ee | 1213 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang); |
252b5132 RH |
1214 | } |
1215 | | vers_defns ';' VERS_IDENTIFIER | |
1216 | { | |
313e35ee | 1217 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang); |
252b5132 | 1218 | } |
8e23b15d AM |
1219 | | vers_defns ';' EXTERN NAME '{' |
1220 | { | |
1221 | $<name>$ = ldgram_vers_current_lang; | |
1222 | ldgram_vers_current_lang = $4; | |
1223 | } | |
1224 | vers_defns opt_semicolon '}' | |
1225 | { | |
1226 | $$ = $7; | |
1227 | ldgram_vers_current_lang = $<name>6; | |
1228 | } | |
252b5132 RH |
1229 | | EXTERN NAME '{' |
1230 | { | |
1231 | $<name>$ = ldgram_vers_current_lang; | |
1232 | ldgram_vers_current_lang = $2; | |
1233 | } | |
8e23b15d | 1234 | vers_defns opt_semicolon '}' |
252b5132 | 1235 | { |
e06cae36 | 1236 | $$ = $5; |
252b5132 RH |
1237 | ldgram_vers_current_lang = $<name>4; |
1238 | } | |
1239 | ; | |
1240 | ||
8e23b15d AM |
1241 | opt_semicolon: |
1242 | /* empty */ | |
1243 | | ';' | |
1244 | ; | |
1245 | ||
252b5132 RH |
1246 | %% |
1247 | void | |
d038301c | 1248 | yyerror(arg) |
252b5132 | 1249 | const char *arg; |
d038301c | 1250 | { |
252b5132 RH |
1251 | if (ldfile_assumed_script) |
1252 | einfo (_("%P:%s: file format not recognized; treating as linker script\n"), | |
1253 | ldfile_input_filename); | |
1254 | if (error_index > 0 && error_index < ERROR_NAME_MAX) | |
1255 | einfo ("%P%F:%S: %s in %s\n", arg, error_names[error_index-1]); | |
1256 | else | |
1257 | einfo ("%P%F:%S: %s\n", arg); | |
1258 | } |