Commit | Line | Data |
---|---|---|
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 | |
b34976b6 AM |
51 | FILE *saved_script_handle = NULL; |
52 | bfd_boolean force_make_executable = FALSE; | |
252b5132 | 53 | |
b34976b6 AM |
54 | bfd_boolean ldgram_in_script = FALSE; |
55 | bfd_boolean ldgram_had_equals = FALSE; | |
56 | bfd_boolean ldgram_had_keep = FALSE; | |
252b5132 RH |
57 | char *ldgram_vers_current_lang = NULL; |
58 | ||
59 | #define ERROR_NAME_MAX 20 | |
60 | static char *error_names[ERROR_NAME_MAX]; | |
61 | static int error_index; | |
62 | #define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++; | |
63 | #define POP_ERROR() error_index--; | |
64 | %} | |
65 | %union { | |
66 | bfd_vma integer; | |
2c382fb6 AM |
67 | struct big_int |
68 | { | |
69 | bfd_vma integer; | |
70 | char *str; | |
71 | } bigint; | |
72 | fill_type *fill; | |
252b5132 RH |
73 | char *name; |
74 | const char *cname; | |
75 | struct wildcard_spec wildcard; | |
b6bf44ba | 76 | struct wildcard_list *wildcard_list; |
18625d54 | 77 | struct name_list *name_list; |
252b5132 RH |
78 | int token; |
79 | union etree_union *etree; | |
80 | struct phdr_info | |
81 | { | |
b34976b6 AM |
82 | bfd_boolean filehdr; |
83 | bfd_boolean phdrs; | |
252b5132 RH |
84 | union etree_union *at; |
85 | union etree_union *flags; | |
86 | } phdr; | |
87 | struct lang_nocrossref *nocrossref; | |
88 | struct lang_output_section_phdr_list *section_phdr; | |
89 | struct bfd_elf_version_deps *deflist; | |
90 | struct bfd_elf_version_expr *versyms; | |
91 | struct bfd_elf_version_tree *versnode; | |
92 | } | |
93 | ||
94 | %type <etree> exp opt_exp_with_type mustbe_exp opt_at phdr_type phdr_val | |
bbf115d3 | 95 | %type <etree> opt_exp_without_type opt_subalign opt_align |
2c382fb6 | 96 | %type <fill> fill_opt fill_exp |
18625d54 | 97 | %type <name_list> exclude_name_list |
b6bf44ba | 98 | %type <wildcard_list> file_NAME_list |
252b5132 | 99 | %type <name> memspec_opt casesymlist |
562d3460 | 100 | %type <name> memspec_at_opt |
252b5132 RH |
101 | %type <cname> wildcard_name |
102 | %type <wildcard> wildcard_spec | |
d038301c | 103 | %token <bigint> INT |
252b5132 RH |
104 | %token <name> NAME LNAME |
105 | %type <integer> length | |
106 | %type <phdr> phdr_qualifiers | |
107 | %type <nocrossref> nocrossref_list | |
108 | %type <section_phdr> phdr_opt | |
109 | %type <integer> opt_nocrossrefs | |
110 | ||
d038301c | 111 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ |
252b5132 RH |
112 | %right <token> '?' ':' |
113 | %left <token> OROR | |
114 | %left <token> ANDAND | |
115 | %left <token> '|' | |
116 | %left <token> '^' | |
117 | %left <token> '&' | |
118 | %left <token> EQ NE | |
119 | %left <token> '<' '>' LE GE | |
120 | %left <token> LSHIFT RSHIFT | |
121 | ||
122 | %left <token> '+' '-' | |
123 | %left <token> '*' '/' '%' | |
124 | ||
125 | %right UNARY | |
d038301c | 126 | %token END |
252b5132 RH |
127 | %left <token> '(' |
128 | %token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE | |
bcaa7b3e L |
129 | %token SECTIONS PHDRS DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END |
130 | %token SORT_BY_NAME SORT_BY_ALIGNMENT | |
252b5132 RH |
131 | %token '{' '}' |
132 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH | |
4818e05f | 133 | %token INHIBIT_COMMON_ALLOCATION |
252b5132 | 134 | %token SIZEOF_HEADERS |
ba916c8a | 135 | %token SEGMENT_START |
252b5132 RH |
136 | %token INCLUDE |
137 | %token MEMORY DEFSYMEND | |
138 | %token NOLOAD DSECT COPY INFO OVERLAY | |
139 | %token NAME LNAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY | |
140 | %token <integer> NEXT | |
141 | %token SIZEOF ADDR LOADADDR MAX_K MIN_K | |
142 | %token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS | |
143 | %token ORIGIN FILL | |
144 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS | |
7af8e998 | 145 | %token ALIGNMOD AT SUBALIGN PROVIDE PROVIDE_HIDDEN AS_NEEDED |
0841712e | 146 | %type <token> assign_op atype attributes_opt sect_constraint |
252b5132 RH |
147 | %type <name> filename |
148 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K | |
149 | %token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL | |
150 | %token INPUT_SCRIPT INPUT_MRI_SCRIPT INPUT_DEFSYM CASE EXTERN START | |
151 | %token <name> VERS_TAG VERS_IDENTIFIER | |
152 | %token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT | |
0cf7d72c | 153 | %token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL |
252b5132 RH |
154 | %token EXCLUDE_FILE |
155 | %type <versyms> vers_defns | |
156 | %type <versnode> vers_tag | |
157 | %type <deflist> verdep | |
158 | ||
159 | %% | |
160 | ||
d038301c | 161 | file: |
252b5132 RH |
162 | INPUT_SCRIPT script_file |
163 | | INPUT_MRI_SCRIPT mri_script_file | |
164 | | INPUT_VERSION_SCRIPT version_script_file | |
165 | | INPUT_DEFSYM defsym_expr | |
166 | ; | |
167 | ||
168 | ||
169 | filename: NAME; | |
170 | ||
171 | ||
172 | defsym_expr: | |
173 | { ldlex_defsym(); } | |
174 | NAME '=' exp | |
175 | { | |
176 | ldlex_popstate(); | |
177 | lang_add_assignment(exp_assop($3,$2,$4)); | |
178 | } | |
944cd72c | 179 | ; |
252b5132 | 180 | |
d038301c | 181 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
252b5132 RH |
182 | mri_script_file: |
183 | { | |
184 | ldlex_mri_script (); | |
185 | PUSH_ERROR (_("MRI style script")); | |
186 | } | |
187 | mri_script_lines | |
188 | { | |
189 | ldlex_popstate (); | |
190 | mri_draw_tree (); | |
191 | POP_ERROR (); | |
192 | } | |
193 | ; | |
194 | ||
195 | mri_script_lines: | |
196 | mri_script_lines mri_script_command NEWLINE | |
197 | | | |
198 | ; | |
199 | ||
200 | mri_script_command: | |
d038301c | 201 | CHIP exp |
252b5132 RH |
202 | | CHIP exp ',' exp |
203 | | NAME { | |
204 | einfo(_("%P%F: unrecognised keyword in MRI style script '%s'\n"),$1); | |
205 | } | |
206 | | LIST { | |
207 | config.map_filename = "-"; | |
208 | } | |
209 | | ORDER ordernamelist | |
d038301c | 210 | | ENDWORD |
252b5132 RH |
211 | | PUBLIC NAME '=' exp |
212 | { mri_public($2, $4); } | |
213 | | PUBLIC NAME ',' exp | |
214 | { mri_public($2, $4); } | |
d038301c | 215 | | PUBLIC NAME exp |
252b5132 RH |
216 | { mri_public($2, $3); } |
217 | | FORMAT NAME | |
218 | { mri_format($2); } | |
219 | | SECT NAME ',' exp | |
220 | { mri_output_section($2, $4);} | |
221 | | SECT NAME exp | |
222 | { mri_output_section($2, $3);} | |
223 | | SECT NAME '=' exp | |
224 | { mri_output_section($2, $4);} | |
225 | | ALIGN_K NAME '=' exp | |
226 | { mri_align($2,$4); } | |
227 | | ALIGN_K NAME ',' exp | |
228 | { mri_align($2,$4); } | |
229 | | ALIGNMOD NAME '=' exp | |
230 | { mri_alignmod($2,$4); } | |
231 | | ALIGNMOD NAME ',' exp | |
232 | { mri_alignmod($2,$4); } | |
233 | | ABSOLUTE mri_abs_name_list | |
234 | | LOAD mri_load_name_list | |
d038301c RM |
235 | | NAMEWORD NAME |
236 | { mri_name($2); } | |
252b5132 RH |
237 | | ALIAS NAME ',' NAME |
238 | { mri_alias($2,$4,0);} | |
239 | | ALIAS NAME ',' INT | |
2c382fb6 | 240 | { mri_alias ($2, 0, (int) $4.integer); } |
252b5132 RH |
241 | | BASE exp |
242 | { mri_base($2); } | |
2c382fb6 AM |
243 | | TRUNCATE INT |
244 | { mri_truncate ((unsigned int) $2.integer); } | |
252b5132 RH |
245 | | CASE casesymlist |
246 | | EXTERN extern_name_list | |
247 | | INCLUDE filename | |
b47c4208 AM |
248 | { ldlex_script (); ldfile_open_command_file($2); } |
249 | mri_script_lines END | |
250 | { ldlex_popstate (); } | |
252b5132 | 251 | | START NAME |
b34976b6 | 252 | { lang_add_entry ($2, FALSE); } |
252b5132 RH |
253 | | |
254 | ; | |
255 | ||
256 | ordernamelist: | |
257 | ordernamelist ',' NAME { mri_order($3); } | |
258 | | ordernamelist NAME { mri_order($2); } | |
259 | | | |
260 | ; | |
261 | ||
262 | mri_load_name_list: | |
263 | NAME | |
264 | { mri_load($1); } | |
265 | | mri_load_name_list ',' NAME { mri_load($3); } | |
266 | ; | |
267 | ||
268 | mri_abs_name_list: | |
269 | NAME | |
270 | { mri_only_load($1); } | |
271 | | mri_abs_name_list ',' NAME | |
272 | { mri_only_load($3); } | |
273 | ; | |
274 | ||
275 | casesymlist: | |
276 | /* empty */ { $$ = NULL; } | |
277 | | NAME | |
278 | | casesymlist ',' NAME | |
279 | ; | |
280 | ||
281 | extern_name_list: | |
282 | NAME | |
283 | { ldlang_add_undef ($1); } | |
284 | | extern_name_list NAME | |
285 | { ldlang_add_undef ($2); } | |
286 | | extern_name_list ',' NAME | |
287 | { ldlang_add_undef ($3); } | |
288 | ; | |
289 | ||
290 | script_file: | |
291 | { | |
292 | ldlex_both(); | |
293 | } | |
294 | ifile_list | |
295 | { | |
296 | ldlex_popstate(); | |
297 | } | |
298 | ; | |
299 | ||
300 | ||
301 | ifile_list: | |
302 | ifile_list ifile_p1 | |
303 | | | |
304 | ; | |
305 | ||
306 | ||
307 | ||
308 | ifile_p1: | |
309 | memory | |
310 | | sections | |
311 | | phdrs | |
312 | | startup | |
313 | | high_level_library | |
314 | | low_level_library | |
315 | | floating_point_support | |
316 | | statement_anywhere | |
317 | | version | |
318 | | ';' | |
319 | | TARGET_K '(' NAME ')' | |
320 | { lang_add_target($3); } | |
321 | | SEARCH_DIR '(' filename ')' | |
b34976b6 | 322 | { ldfile_add_library_path ($3, FALSE); } |
252b5132 RH |
323 | | OUTPUT '(' filename ')' |
324 | { lang_add_output($3, 1); } | |
325 | | OUTPUT_FORMAT '(' NAME ')' | |
326 | { lang_add_output_format ($3, (char *) NULL, | |
327 | (char *) NULL, 1); } | |
328 | | OUTPUT_FORMAT '(' NAME ',' NAME ',' NAME ')' | |
329 | { lang_add_output_format ($3, $5, $7, 1); } | |
330 | | OUTPUT_ARCH '(' NAME ')' | |
5e2f1575 | 331 | { ldfile_set_output_arch ($3, bfd_arch_unknown); } |
252b5132 | 332 | | FORCE_COMMON_ALLOCATION |
b34976b6 | 333 | { command_line.force_common_definition = TRUE ; } |
4818e05f | 334 | | INHIBIT_COMMON_ALLOCATION |
b34976b6 | 335 | { command_line.inhibit_common_definition = TRUE ; } |
252b5132 RH |
336 | | INPUT '(' input_list ')' |
337 | | GROUP | |
338 | { lang_enter_group (); } | |
339 | '(' input_list ')' | |
340 | { lang_leave_group (); } | |
341 | | MAP '(' filename ')' | |
342 | { lang_add_map($3); } | |
d038301c | 343 | | INCLUDE filename |
b47c4208 AM |
344 | { ldlex_script (); ldfile_open_command_file($2); } |
345 | ifile_list END | |
346 | { ldlex_popstate (); } | |
252b5132 RH |
347 | | NOCROSSREFS '(' nocrossref_list ')' |
348 | { | |
349 | lang_add_nocrossref ($3); | |
350 | } | |
351 | | EXTERN '(' extern_name_list ')' | |
352 | ; | |
353 | ||
354 | input_list: | |
355 | NAME | |
356 | { lang_add_input_file($1,lang_input_file_is_search_file_enum, | |
357 | (char *)NULL); } | |
358 | | input_list ',' NAME | |
359 | { lang_add_input_file($3,lang_input_file_is_search_file_enum, | |
360 | (char *)NULL); } | |
361 | | input_list NAME | |
362 | { lang_add_input_file($2,lang_input_file_is_search_file_enum, | |
363 | (char *)NULL); } | |
364 | | LNAME | |
365 | { lang_add_input_file($1,lang_input_file_is_l_enum, | |
366 | (char *)NULL); } | |
367 | | input_list ',' LNAME | |
368 | { lang_add_input_file($3,lang_input_file_is_l_enum, | |
369 | (char *)NULL); } | |
370 | | input_list LNAME | |
371 | { lang_add_input_file($2,lang_input_file_is_l_enum, | |
372 | (char *)NULL); } | |
b717d30e JJ |
373 | | AS_NEEDED '(' |
374 | { $<integer>$ = as_needed; as_needed = TRUE; } | |
375 | input_list ')' | |
376 | { as_needed = $<integer>3; } | |
377 | | input_list ',' AS_NEEDED '(' | |
378 | { $<integer>$ = as_needed; as_needed = TRUE; } | |
379 | input_list ')' | |
380 | { as_needed = $<integer>5; } | |
381 | | input_list AS_NEEDED '(' | |
382 | { $<integer>$ = as_needed; as_needed = TRUE; } | |
383 | input_list ')' | |
384 | { as_needed = $<integer>4; } | |
252b5132 RH |
385 | ; |
386 | ||
387 | sections: | |
388 | SECTIONS '{' sec_or_group_p1 '}' | |
389 | ; | |
390 | ||
391 | sec_or_group_p1: | |
392 | sec_or_group_p1 section | |
393 | | sec_or_group_p1 statement_anywhere | |
394 | | | |
395 | ; | |
396 | ||
397 | statement_anywhere: | |
398 | ENTRY '(' NAME ')' | |
b34976b6 | 399 | { lang_add_entry ($3, FALSE); } |
252b5132 | 400 | | assignment end |
b6ca8815 NS |
401 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' |
402 | { ldlex_popstate (); | |
403 | lang_add_assignment (exp_assert ($4, $6)); } | |
252b5132 RH |
404 | ; |
405 | ||
406 | /* The '*' and '?' cases are there because the lexer returns them as | |
407 | separate tokens rather than as NAME. */ | |
408 | wildcard_name: | |
409 | NAME | |
410 | { | |
411 | $$ = $1; | |
412 | } | |
413 | | '*' | |
414 | { | |
415 | $$ = "*"; | |
416 | } | |
417 | | '?' | |
418 | { | |
419 | $$ = "?"; | |
420 | } | |
421 | ; | |
422 | ||
423 | wildcard_spec: | |
424 | wildcard_name | |
425 | { | |
426 | $$.name = $1; | |
bcaa7b3e | 427 | $$.sorted = none; |
18625d54 | 428 | $$.exclude_name_list = NULL; |
252b5132 | 429 | } |
18625d54 | 430 | | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name |
252b5132 RH |
431 | { |
432 | $$.name = $5; | |
bcaa7b3e | 433 | $$.sorted = none; |
18625d54 | 434 | $$.exclude_name_list = $3; |
252b5132 | 435 | } |
bcaa7b3e | 436 | | SORT_BY_NAME '(' wildcard_name ')' |
252b5132 RH |
437 | { |
438 | $$.name = $3; | |
bcaa7b3e | 439 | $$.sorted = by_name; |
18625d54 | 440 | $$.exclude_name_list = NULL; |
252b5132 | 441 | } |
bcaa7b3e L |
442 | | SORT_BY_ALIGNMENT '(' wildcard_name ')' |
443 | { | |
444 | $$.name = $3; | |
445 | $$.sorted = by_alignment; | |
446 | $$.exclude_name_list = NULL; | |
447 | } | |
448 | | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')' | |
449 | { | |
450 | $$.name = $5; | |
451 | $$.sorted = by_name_alignment; | |
452 | $$.exclude_name_list = NULL; | |
453 | } | |
454 | | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_name ')' ')' | |
455 | { | |
456 | $$.name = $5; | |
457 | $$.sorted = by_name; | |
458 | $$.exclude_name_list = NULL; | |
459 | } | |
460 | | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_name ')' ')' | |
461 | { | |
462 | $$.name = $5; | |
463 | $$.sorted = by_alignment_name; | |
464 | $$.exclude_name_list = NULL; | |
465 | } | |
466 | | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')' | |
467 | { | |
468 | $$.name = $5; | |
469 | $$.sorted = by_alignment; | |
470 | $$.exclude_name_list = NULL; | |
471 | } | |
472 | | SORT_BY_NAME '(' EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name ')' | |
252b5132 RH |
473 | { |
474 | $$.name = $7; | |
bcaa7b3e | 475 | $$.sorted = by_name; |
18625d54 | 476 | $$.exclude_name_list = $5; |
252b5132 RH |
477 | } |
478 | ; | |
479 | ||
18625d54 | 480 | exclude_name_list: |
765b7cbe | 481 | exclude_name_list wildcard_name |
18625d54 CM |
482 | { |
483 | struct name_list *tmp; | |
484 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
765b7cbe | 485 | tmp->name = $2; |
18625d54 | 486 | tmp->next = $1; |
d038301c | 487 | $$ = tmp; |
18625d54 CM |
488 | } |
489 | | | |
490 | wildcard_name | |
491 | { | |
492 | struct name_list *tmp; | |
493 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
494 | tmp->name = $1; | |
495 | tmp->next = NULL; | |
496 | $$ = tmp; | |
497 | } | |
498 | ; | |
499 | ||
252b5132 | 500 | file_NAME_list: |
b6bf44ba | 501 | file_NAME_list opt_comma wildcard_spec |
252b5132 | 502 | { |
b6bf44ba AM |
503 | struct wildcard_list *tmp; |
504 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
505 | tmp->next = $1; | |
506 | tmp->spec = $3; | |
507 | $$ = tmp; | |
252b5132 | 508 | } |
b6bf44ba AM |
509 | | |
510 | wildcard_spec | |
252b5132 | 511 | { |
b6bf44ba AM |
512 | struct wildcard_list *tmp; |
513 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
514 | tmp->next = NULL; | |
515 | tmp->spec = $1; | |
516 | $$ = tmp; | |
252b5132 RH |
517 | } |
518 | ; | |
519 | ||
520 | input_section_spec_no_keep: | |
521 | NAME | |
522 | { | |
b6bf44ba AM |
523 | struct wildcard_spec tmp; |
524 | tmp.name = $1; | |
525 | tmp.exclude_name_list = NULL; | |
bcaa7b3e | 526 | tmp.sorted = none; |
b6bf44ba | 527 | lang_add_wild (&tmp, NULL, ldgram_had_keep); |
252b5132 | 528 | } |
b6bf44ba | 529 | | '[' file_NAME_list ']' |
252b5132 | 530 | { |
b6bf44ba | 531 | lang_add_wild (NULL, $2, ldgram_had_keep); |
252b5132 | 532 | } |
b6bf44ba | 533 | | wildcard_spec '(' file_NAME_list ')' |
252b5132 | 534 | { |
b6bf44ba | 535 | lang_add_wild (&$1, $3, ldgram_had_keep); |
252b5132 | 536 | } |
252b5132 RH |
537 | ; |
538 | ||
539 | input_section_spec: | |
540 | input_section_spec_no_keep | |
541 | | KEEP '(' | |
b34976b6 | 542 | { ldgram_had_keep = TRUE; } |
252b5132 | 543 | input_section_spec_no_keep ')' |
b34976b6 | 544 | { ldgram_had_keep = FALSE; } |
252b5132 RH |
545 | ; |
546 | ||
547 | statement: | |
548 | assignment end | |
549 | | CREATE_OBJECT_SYMBOLS | |
550 | { | |
d038301c | 551 | lang_add_attribute(lang_object_symbols_statement_enum); |
252b5132 RH |
552 | } |
553 | | ';' | |
554 | | CONSTRUCTORS | |
555 | { | |
d038301c RM |
556 | |
557 | lang_add_attribute(lang_constructors_statement_enum); | |
252b5132 | 558 | } |
bcaa7b3e | 559 | | SORT_BY_NAME '(' CONSTRUCTORS ')' |
252b5132 | 560 | { |
b34976b6 | 561 | constructors_sorted = TRUE; |
252b5132 RH |
562 | lang_add_attribute (lang_constructors_statement_enum); |
563 | } | |
564 | | input_section_spec | |
565 | | length '(' mustbe_exp ')' | |
566 | { | |
2c382fb6 | 567 | lang_add_data ((int) $1, $3); |
252b5132 | 568 | } |
d038301c | 569 | |
2c382fb6 | 570 | | FILL '(' fill_exp ')' |
252b5132 | 571 | { |
2c382fb6 | 572 | lang_add_fill ($3); |
252b5132 RH |
573 | } |
574 | ; | |
575 | ||
576 | statement_list: | |
577 | statement_list statement | |
578 | | statement | |
579 | ; | |
d038301c | 580 | |
252b5132 RH |
581 | statement_list_opt: |
582 | /* empty */ | |
583 | | statement_list | |
584 | ; | |
585 | ||
586 | length: | |
587 | QUAD | |
588 | { $$ = $1; } | |
589 | | SQUAD | |
590 | { $$ = $1; } | |
591 | | LONG | |
592 | { $$ = $1; } | |
593 | | SHORT | |
594 | { $$ = $1; } | |
595 | | BYTE | |
596 | { $$ = $1; } | |
597 | ; | |
598 | ||
2c382fb6 AM |
599 | fill_exp: |
600 | mustbe_exp | |
252b5132 | 601 | { |
e9ee469a | 602 | $$ = exp_get_fill ($1, 0, "fill value"); |
252b5132 | 603 | } |
252b5132 RH |
604 | ; |
605 | ||
2c382fb6 AM |
606 | fill_opt: |
607 | '=' fill_exp | |
608 | { $$ = $2; } | |
609 | | { $$ = (fill_type *) 0; } | |
610 | ; | |
252b5132 RH |
611 | |
612 | assign_op: | |
613 | PLUSEQ | |
614 | { $$ = '+'; } | |
615 | | MINUSEQ | |
616 | { $$ = '-'; } | |
617 | | MULTEQ | |
618 | { $$ = '*'; } | |
619 | | DIVEQ | |
620 | { $$ = '/'; } | |
621 | | LSHIFTEQ | |
622 | { $$ = LSHIFT; } | |
623 | | RSHIFTEQ | |
624 | { $$ = RSHIFT; } | |
625 | | ANDEQ | |
626 | { $$ = '&'; } | |
627 | | OREQ | |
628 | { $$ = '|'; } | |
629 | ||
630 | ; | |
631 | ||
632 | end: ';' | ',' | |
633 | ; | |
634 | ||
635 | ||
636 | assignment: | |
637 | NAME '=' mustbe_exp | |
638 | { | |
639 | lang_add_assignment (exp_assop ($2, $1, $3)); | |
640 | } | |
641 | | NAME assign_op mustbe_exp | |
642 | { | |
643 | lang_add_assignment (exp_assop ('=', $1, | |
644 | exp_binop ($2, | |
645 | exp_nameop (NAME, | |
646 | $1), | |
647 | $3))); | |
648 | } | |
649 | | PROVIDE '(' NAME '=' mustbe_exp ')' | |
650 | { | |
7af8e998 L |
651 | lang_add_assignment (exp_provide ($3, $5, FALSE)); |
652 | } | |
653 | | PROVIDE_HIDDEN '(' NAME '=' mustbe_exp ')' | |
654 | { | |
655 | lang_add_assignment (exp_provide ($3, $5, TRUE)); | |
252b5132 RH |
656 | } |
657 | ; | |
658 | ||
659 | ||
660 | opt_comma: | |
661 | ',' | ; | |
662 | ||
663 | ||
664 | memory: | |
665 | MEMORY '{' memory_spec memory_spec_list '}' | |
666 | ; | |
667 | ||
668 | memory_spec_list: | |
669 | memory_spec_list memory_spec | |
670 | | memory_spec_list ',' memory_spec | |
671 | | | |
672 | ; | |
673 | ||
674 | ||
2d801b0f | 675 | memory_spec: NAME |
a747ee4d | 676 | { region = lang_memory_region_lookup ($1, TRUE); } |
252b5132 RH |
677 | attributes_opt ':' |
678 | origin_spec opt_comma length_spec | |
2d801b0f | 679 | {} |
74459f0e TW |
680 | ; |
681 | ||
682 | origin_spec: | |
252b5132 | 683 | ORIGIN '=' mustbe_exp |
e9ee469a AM |
684 | { |
685 | region->origin = exp_get_vma ($3, 0, "origin"); | |
686 | region->current = region->origin; | |
687 | } | |
252b5132 RH |
688 | ; |
689 | ||
690 | length_spec: | |
691 | LENGTH '=' mustbe_exp | |
e9ee469a AM |
692 | { |
693 | region->length = exp_get_vma ($3, -1, "length"); | |
252b5132 | 694 | } |
aa8804e4 | 695 | ; |
252b5132 RH |
696 | |
697 | attributes_opt: | |
aa8804e4 ILT |
698 | /* empty */ |
699 | { /* dummy action to avoid bison 1.25 error message */ } | |
700 | | '(' attributes_list ')' | |
701 | ; | |
702 | ||
703 | attributes_list: | |
704 | attributes_string | |
705 | | attributes_list attributes_string | |
706 | ; | |
707 | ||
708 | attributes_string: | |
709 | NAME | |
710 | { lang_set_flags (region, $1, 0); } | |
711 | | '!' NAME | |
712 | { lang_set_flags (region, $2, 1); } | |
252b5132 RH |
713 | ; |
714 | ||
715 | startup: | |
716 | STARTUP '(' filename ')' | |
717 | { lang_startup($3); } | |
718 | ; | |
719 | ||
720 | high_level_library: | |
721 | HLL '(' high_level_library_NAME_list ')' | |
722 | | HLL '(' ')' | |
723 | { ldemul_hll((char *)NULL); } | |
724 | ; | |
725 | ||
726 | high_level_library_NAME_list: | |
727 | high_level_library_NAME_list opt_comma filename | |
728 | { ldemul_hll($3); } | |
729 | | filename | |
730 | { ldemul_hll($1); } | |
731 | ||
732 | ; | |
733 | ||
734 | low_level_library: | |
735 | SYSLIB '(' low_level_library_NAME_list ')' | |
736 | ; low_level_library_NAME_list: | |
737 | low_level_library_NAME_list opt_comma filename | |
738 | { ldemul_syslib($3); } | |
739 | | | |
740 | ; | |
741 | ||
742 | floating_point_support: | |
743 | FLOAT | |
b34976b6 | 744 | { lang_float(TRUE); } |
252b5132 | 745 | | NOFLOAT |
b34976b6 | 746 | { lang_float(FALSE); } |
252b5132 | 747 | ; |
d038301c | 748 | |
252b5132 RH |
749 | nocrossref_list: |
750 | /* empty */ | |
751 | { | |
752 | $$ = NULL; | |
753 | } | |
754 | | NAME nocrossref_list | |
755 | { | |
756 | struct lang_nocrossref *n; | |
757 | ||
758 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
759 | n->name = $1; | |
760 | n->next = $2; | |
761 | $$ = n; | |
762 | } | |
763 | | NAME ',' nocrossref_list | |
764 | { | |
765 | struct lang_nocrossref *n; | |
766 | ||
767 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
768 | n->name = $1; | |
769 | n->next = $3; | |
770 | $$ = n; | |
771 | } | |
772 | ; | |
773 | ||
3ec57632 | 774 | mustbe_exp: { ldlex_expression (); } |
252b5132 | 775 | exp |
3ec57632 | 776 | { ldlex_popstate (); $$=$2;} |
252b5132 RH |
777 | ; |
778 | ||
779 | exp : | |
780 | '-' exp %prec UNARY | |
3ec57632 | 781 | { $$ = exp_unop ('-', $2); } |
252b5132 RH |
782 | | '(' exp ')' |
783 | { $$ = $2; } | |
784 | | NEXT '(' exp ')' %prec UNARY | |
3ec57632 | 785 | { $$ = exp_unop ((int) $1,$3); } |
252b5132 | 786 | | '!' exp %prec UNARY |
3ec57632 | 787 | { $$ = exp_unop ('!', $2); } |
252b5132 RH |
788 | | '+' exp %prec UNARY |
789 | { $$ = $2; } | |
790 | | '~' exp %prec UNARY | |
3ec57632 | 791 | { $$ = exp_unop ('~', $2);} |
252b5132 RH |
792 | |
793 | | exp '*' exp | |
3ec57632 | 794 | { $$ = exp_binop ('*', $1, $3); } |
252b5132 | 795 | | exp '/' exp |
3ec57632 | 796 | { $$ = exp_binop ('/', $1, $3); } |
252b5132 | 797 | | exp '%' exp |
3ec57632 | 798 | { $$ = exp_binop ('%', $1, $3); } |
252b5132 | 799 | | exp '+' exp |
3ec57632 | 800 | { $$ = exp_binop ('+', $1, $3); } |
252b5132 | 801 | | exp '-' exp |
3ec57632 | 802 | { $$ = exp_binop ('-' , $1, $3); } |
252b5132 | 803 | | exp LSHIFT exp |
3ec57632 | 804 | { $$ = exp_binop (LSHIFT , $1, $3); } |
252b5132 | 805 | | exp RSHIFT exp |
3ec57632 | 806 | { $$ = exp_binop (RSHIFT , $1, $3); } |
252b5132 | 807 | | exp EQ exp |
3ec57632 | 808 | { $$ = exp_binop (EQ , $1, $3); } |
252b5132 | 809 | | exp NE exp |
3ec57632 | 810 | { $$ = exp_binop (NE , $1, $3); } |
252b5132 | 811 | | exp LE exp |
3ec57632 | 812 | { $$ = exp_binop (LE , $1, $3); } |
252b5132 | 813 | | exp GE exp |
3ec57632 | 814 | { $$ = exp_binop (GE , $1, $3); } |
252b5132 | 815 | | exp '<' exp |
3ec57632 | 816 | { $$ = exp_binop ('<' , $1, $3); } |
252b5132 | 817 | | exp '>' exp |
3ec57632 | 818 | { $$ = exp_binop ('>' , $1, $3); } |
252b5132 | 819 | | exp '&' exp |
3ec57632 | 820 | { $$ = exp_binop ('&' , $1, $3); } |
252b5132 | 821 | | exp '^' exp |
3ec57632 | 822 | { $$ = exp_binop ('^' , $1, $3); } |
252b5132 | 823 | | exp '|' exp |
3ec57632 | 824 | { $$ = exp_binop ('|' , $1, $3); } |
252b5132 | 825 | | exp '?' exp ':' exp |
3ec57632 | 826 | { $$ = exp_trinop ('?' , $1, $3, $5); } |
252b5132 | 827 | | exp ANDAND exp |
3ec57632 | 828 | { $$ = exp_binop (ANDAND , $1, $3); } |
252b5132 | 829 | | exp OROR exp |
3ec57632 | 830 | { $$ = exp_binop (OROR , $1, $3); } |
252b5132 | 831 | | DEFINED '(' NAME ')' |
3ec57632 | 832 | { $$ = exp_nameop (DEFINED, $3); } |
252b5132 | 833 | | INT |
2c382fb6 | 834 | { $$ = exp_bigintop ($1.integer, $1.str); } |
252b5132 | 835 | | SIZEOF_HEADERS |
3ec57632 | 836 | { $$ = exp_nameop (SIZEOF_HEADERS,0); } |
252b5132 RH |
837 | |
838 | | SIZEOF '(' NAME ')' | |
3ec57632 | 839 | { $$ = exp_nameop (SIZEOF,$3); } |
252b5132 | 840 | | ADDR '(' NAME ')' |
3ec57632 | 841 | { $$ = exp_nameop (ADDR,$3); } |
252b5132 | 842 | | LOADADDR '(' NAME ')' |
3ec57632 | 843 | { $$ = exp_nameop (LOADADDR,$3); } |
252b5132 | 844 | | ABSOLUTE '(' exp ')' |
3ec57632 | 845 | { $$ = exp_unop (ABSOLUTE, $3); } |
252b5132 | 846 | | ALIGN_K '(' exp ')' |
3ec57632 | 847 | { $$ = exp_unop (ALIGN_K,$3); } |
876f4090 | 848 | | ALIGN_K '(' exp ',' exp ')' |
3ec57632 | 849 | { $$ = exp_binop (ALIGN_K,$3,$5); } |
2d20f7bf JJ |
850 | | DATA_SEGMENT_ALIGN '(' exp ',' exp ')' |
851 | { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); } | |
a4f5ad88 JJ |
852 | | DATA_SEGMENT_RELRO_END '(' exp ',' exp ')' |
853 | { $$ = exp_binop (DATA_SEGMENT_RELRO_END, $5, $3); } | |
2d20f7bf | 854 | | DATA_SEGMENT_END '(' exp ')' |
3ec57632 | 855 | { $$ = exp_unop (DATA_SEGMENT_END, $3); } |
ba916c8a MM |
856 | | SEGMENT_START '(' NAME ',' exp ')' |
857 | { /* The operands to the expression node are | |
858 | placed in the opposite order from the way | |
859 | in which they appear in the script as | |
860 | that allows us to reuse more code in | |
861 | fold_binary. */ | |
862 | $$ = exp_binop (SEGMENT_START, | |
863 | $5, | |
864 | exp_nameop (NAME, $3)); } | |
252b5132 | 865 | | BLOCK '(' exp ')' |
3ec57632 | 866 | { $$ = exp_unop (ALIGN_K,$3); } |
252b5132 | 867 | | NAME |
3ec57632 | 868 | { $$ = exp_nameop (NAME,$1); } |
252b5132 RH |
869 | | MAX_K '(' exp ',' exp ')' |
870 | { $$ = exp_binop (MAX_K, $3, $5 ); } | |
871 | | MIN_K '(' exp ',' exp ')' | |
872 | { $$ = exp_binop (MIN_K, $3, $5 ); } | |
873 | | ASSERT_K '(' exp ',' NAME ')' | |
874 | { $$ = exp_assert ($3, $5); } | |
3ec57632 NC |
875 | | ORIGIN '(' NAME ')' |
876 | { $$ = exp_nameop (ORIGIN, $3); } | |
877 | | LENGTH '(' NAME ')' | |
878 | { $$ = exp_nameop (LENGTH, $3); } | |
252b5132 RH |
879 | ; |
880 | ||
881 | ||
562d3460 TW |
882 | memspec_at_opt: |
883 | AT '>' NAME { $$ = $3; } | |
9f88b410 | 884 | | { $$ = 0; } |
562d3460 TW |
885 | ; |
886 | ||
252b5132 RH |
887 | opt_at: |
888 | AT '(' exp ')' { $$ = $3; } | |
889 | | { $$ = 0; } | |
890 | ; | |
891 | ||
bbf115d3 L |
892 | opt_align: |
893 | ALIGN_K '(' exp ')' { $$ = $3; } | |
894 | | { $$ = 0; } | |
895 | ; | |
896 | ||
7e7d5768 AM |
897 | opt_subalign: |
898 | SUBALIGN '(' exp ')' { $$ = $3; } | |
899 | | { $$ = 0; } | |
900 | ; | |
901 | ||
0841712e JJ |
902 | sect_constraint: |
903 | ONLY_IF_RO { $$ = ONLY_IF_RO; } | |
904 | | ONLY_IF_RW { $$ = ONLY_IF_RW; } | |
0cf7d72c | 905 | | SPECIAL { $$ = SPECIAL; } |
0841712e JJ |
906 | | { $$ = 0; } |
907 | ; | |
908 | ||
252b5132 | 909 | section: NAME { ldlex_expression(); } |
d038301c | 910 | opt_exp_with_type |
7e7d5768 | 911 | opt_at |
bbf115d3 | 912 | opt_align |
7e7d5768 | 913 | opt_subalign { ldlex_popstate (); ldlex_script (); } |
0841712e | 914 | sect_constraint |
252b5132 RH |
915 | '{' |
916 | { | |
917 | lang_enter_output_section_statement($1, $3, | |
918 | sectype, | |
bbf115d3 | 919 | $5, $6, $4, $8); |
252b5132 | 920 | } |
d038301c | 921 | statement_list_opt |
252b5132 | 922 | '}' { ldlex_popstate (); ldlex_expression (); } |
562d3460 | 923 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 RH |
924 | { |
925 | ldlex_popstate (); | |
bbf115d3 | 926 | lang_leave_output_section_statement ($17, $14, $16, $15); |
252b5132 RH |
927 | } |
928 | opt_comma | |
2d801b0f | 929 | {} |
252b5132 RH |
930 | | OVERLAY |
931 | { ldlex_expression (); } | |
7e7d5768 | 932 | opt_exp_without_type opt_nocrossrefs opt_at opt_subalign |
252b5132 | 933 | { ldlex_popstate (); ldlex_script (); } |
d038301c | 934 | '{' |
252b5132 | 935 | { |
7e7d5768 | 936 | lang_enter_overlay ($3, $6); |
252b5132 RH |
937 | } |
938 | overlay_section | |
939 | '}' | |
940 | { ldlex_popstate (); ldlex_expression (); } | |
562d3460 | 941 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 RH |
942 | { |
943 | ldlex_popstate (); | |
9f88b410 | 944 | lang_leave_overlay ($5, (int) $4, |
7e7d5768 | 945 | $16, $13, $15, $14); |
252b5132 RH |
946 | } |
947 | opt_comma | |
948 | | /* The GROUP case is just enough to support the gcc | |
949 | svr3.ifile script. It is not intended to be full | |
950 | support. I'm not even sure what GROUP is supposed | |
951 | to mean. */ | |
952 | GROUP { ldlex_expression (); } | |
953 | opt_exp_with_type | |
954 | { | |
955 | ldlex_popstate (); | |
956 | lang_add_assignment (exp_assop ('=', ".", $3)); | |
957 | } | |
958 | '{' sec_or_group_p1 '}' | |
959 | ; | |
960 | ||
961 | type: | |
962 | NOLOAD { sectype = noload_section; } | |
963 | | DSECT { sectype = dsect_section; } | |
964 | | COPY { sectype = copy_section; } | |
965 | | INFO { sectype = info_section; } | |
966 | | OVERLAY { sectype = overlay_section; } | |
967 | ; | |
968 | ||
969 | atype: | |
970 | '(' type ')' | |
971 | | /* EMPTY */ { sectype = normal_section; } | |
972 | | '(' ')' { sectype = normal_section; } | |
973 | ; | |
974 | ||
975 | opt_exp_with_type: | |
976 | exp atype ':' { $$ = $1; } | |
977 | | atype ':' { $$ = (etree_type *)NULL; } | |
978 | | /* The BIND cases are to support the gcc svr3.ifile | |
979 | script. They aren't intended to implement full | |
980 | support for the BIND keyword. I'm not even sure | |
981 | what BIND is supposed to mean. */ | |
982 | BIND '(' exp ')' atype ':' { $$ = $3; } | |
983 | | BIND '(' exp ')' BLOCK '(' exp ')' atype ':' | |
984 | { $$ = $3; } | |
985 | ; | |
986 | ||
987 | opt_exp_without_type: | |
988 | exp ':' { $$ = $1; } | |
989 | | ':' { $$ = (etree_type *) NULL; } | |
990 | ; | |
991 | ||
992 | opt_nocrossrefs: | |
993 | /* empty */ | |
994 | { $$ = 0; } | |
995 | | NOCROSSREFS | |
996 | { $$ = 1; } | |
997 | ; | |
998 | ||
999 | memspec_opt: | |
1000 | '>' NAME | |
1001 | { $$ = $2; } | |
a747ee4d | 1002 | | { $$ = DEFAULT_MEMORY_REGION; } |
252b5132 RH |
1003 | ; |
1004 | ||
1005 | phdr_opt: | |
1006 | /* empty */ | |
1007 | { | |
1008 | $$ = NULL; | |
1009 | } | |
1010 | | phdr_opt ':' NAME | |
1011 | { | |
1012 | struct lang_output_section_phdr_list *n; | |
1013 | ||
1014 | n = ((struct lang_output_section_phdr_list *) | |
1015 | xmalloc (sizeof *n)); | |
1016 | n->name = $3; | |
b34976b6 | 1017 | n->used = FALSE; |
252b5132 RH |
1018 | n->next = $1; |
1019 | $$ = n; | |
1020 | } | |
1021 | ; | |
1022 | ||
1023 | overlay_section: | |
1024 | /* empty */ | |
1025 | | overlay_section | |
1026 | NAME | |
1027 | { | |
1028 | ldlex_script (); | |
1029 | lang_enter_overlay_section ($2); | |
1030 | } | |
1031 | '{' statement_list_opt '}' | |
1032 | { ldlex_popstate (); ldlex_expression (); } | |
1033 | phdr_opt fill_opt | |
1034 | { | |
1035 | ldlex_popstate (); | |
1036 | lang_leave_overlay_section ($9, $8); | |
1037 | } | |
1038 | opt_comma | |
1039 | ; | |
1040 | ||
1041 | phdrs: | |
1042 | PHDRS '{' phdr_list '}' | |
1043 | ; | |
1044 | ||
1045 | phdr_list: | |
1046 | /* empty */ | |
1047 | | phdr_list phdr | |
1048 | ; | |
1049 | ||
1050 | phdr: | |
1051 | NAME { ldlex_expression (); } | |
1052 | phdr_type phdr_qualifiers { ldlex_popstate (); } | |
1053 | ';' | |
1054 | { | |
1055 | lang_new_phdr ($1, $3, $4.filehdr, $4.phdrs, $4.at, | |
1056 | $4.flags); | |
1057 | } | |
1058 | ; | |
1059 | ||
1060 | phdr_type: | |
1061 | exp | |
1062 | { | |
1063 | $$ = $1; | |
1064 | ||
1065 | if ($1->type.node_class == etree_name | |
1066 | && $1->type.node_code == NAME) | |
1067 | { | |
1068 | const char *s; | |
1069 | unsigned int i; | |
1070 | static const char * const phdr_types[] = | |
1071 | { | |
1072 | "PT_NULL", "PT_LOAD", "PT_DYNAMIC", | |
1073 | "PT_INTERP", "PT_NOTE", "PT_SHLIB", | |
d038301c | 1074 | "PT_PHDR", "PT_TLS" |
252b5132 RH |
1075 | }; |
1076 | ||
1077 | s = $1->name.name; | |
1078 | for (i = 0; | |
1079 | i < sizeof phdr_types / sizeof phdr_types[0]; | |
1080 | i++) | |
1081 | if (strcmp (s, phdr_types[i]) == 0) | |
1082 | { | |
1083 | $$ = exp_intop (i); | |
1084 | break; | |
1085 | } | |
d038301c RM |
1086 | if (i == sizeof phdr_types / sizeof phdr_types[0]) |
1087 | { | |
1088 | if (strcmp (s, "PT_GNU_EH_FRAME") == 0) | |
1089 | $$ = exp_intop (0x6474e550); | |
9ee5e499 JJ |
1090 | else if (strcmp (s, "PT_GNU_STACK") == 0) |
1091 | $$ = exp_intop (0x6474e551); | |
d038301c RM |
1092 | else |
1093 | { | |
1094 | einfo (_("\ | |
1095 | %X%P:%S: unknown phdr type `%s' (try integer literal)\n"), | |
1096 | s); | |
1097 | $$ = exp_intop (0); | |
1098 | } | |
1099 | } | |
252b5132 RH |
1100 | } |
1101 | } | |
1102 | ; | |
1103 | ||
1104 | phdr_qualifiers: | |
1105 | /* empty */ | |
1106 | { | |
1107 | memset (&$$, 0, sizeof (struct phdr_info)); | |
1108 | } | |
1109 | | NAME phdr_val phdr_qualifiers | |
1110 | { | |
1111 | $$ = $3; | |
1112 | if (strcmp ($1, "FILEHDR") == 0 && $2 == NULL) | |
b34976b6 | 1113 | $$.filehdr = TRUE; |
252b5132 | 1114 | else if (strcmp ($1, "PHDRS") == 0 && $2 == NULL) |
b34976b6 | 1115 | $$.phdrs = TRUE; |
252b5132 RH |
1116 | else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL) |
1117 | $$.flags = $2; | |
1118 | else | |
1119 | einfo (_("%X%P:%S: PHDRS syntax error at `%s'\n"), $1); | |
1120 | } | |
1121 | | AT '(' exp ')' phdr_qualifiers | |
1122 | { | |
1123 | $$ = $5; | |
1124 | $$.at = $3; | |
1125 | } | |
1126 | ; | |
1127 | ||
1128 | phdr_val: | |
1129 | /* empty */ | |
1130 | { | |
1131 | $$ = NULL; | |
1132 | } | |
1133 | | '(' exp ')' | |
1134 | { | |
1135 | $$ = $2; | |
1136 | } | |
1137 | ; | |
1138 | ||
1139 | /* This syntax is used within an external version script file. */ | |
1140 | ||
1141 | version_script_file: | |
1142 | { | |
1143 | ldlex_version_file (); | |
1144 | PUSH_ERROR (_("VERSION script")); | |
1145 | } | |
1146 | vers_nodes | |
1147 | { | |
1148 | ldlex_popstate (); | |
1149 | POP_ERROR (); | |
1150 | } | |
1151 | ; | |
1152 | ||
1153 | /* This is used within a normal linker script file. */ | |
1154 | ||
1155 | version: | |
1156 | { | |
1157 | ldlex_version_script (); | |
1158 | } | |
1159 | VERSIONK '{' vers_nodes '}' | |
1160 | { | |
1161 | ldlex_popstate (); | |
1162 | } | |
1163 | ; | |
1164 | ||
1165 | vers_nodes: | |
1166 | vers_node | |
1167 | | vers_nodes vers_node | |
1168 | ; | |
1169 | ||
1170 | vers_node: | |
6b9b879a JJ |
1171 | '{' vers_tag '}' ';' |
1172 | { | |
1173 | lang_register_vers_node (NULL, $2, NULL); | |
1174 | } | |
1175 | | VERS_TAG '{' vers_tag '}' ';' | |
252b5132 RH |
1176 | { |
1177 | lang_register_vers_node ($1, $3, NULL); | |
1178 | } | |
1179 | | VERS_TAG '{' vers_tag '}' verdep ';' | |
1180 | { | |
1181 | lang_register_vers_node ($1, $3, $5); | |
1182 | } | |
1183 | ; | |
1184 | ||
1185 | verdep: | |
1186 | VERS_TAG | |
1187 | { | |
1188 | $$ = lang_add_vers_depend (NULL, $1); | |
1189 | } | |
1190 | | verdep VERS_TAG | |
1191 | { | |
1192 | $$ = lang_add_vers_depend ($1, $2); | |
1193 | } | |
1194 | ; | |
1195 | ||
1196 | vers_tag: | |
1197 | /* empty */ | |
1198 | { | |
1199 | $$ = lang_new_vers_node (NULL, NULL); | |
1200 | } | |
1201 | | vers_defns ';' | |
1202 | { | |
1203 | $$ = lang_new_vers_node ($1, NULL); | |
1204 | } | |
1205 | | GLOBAL ':' vers_defns ';' | |
1206 | { | |
1207 | $$ = lang_new_vers_node ($3, NULL); | |
1208 | } | |
1209 | | LOCAL ':' vers_defns ';' | |
1210 | { | |
1211 | $$ = lang_new_vers_node (NULL, $3); | |
1212 | } | |
1213 | | GLOBAL ':' vers_defns ';' LOCAL ':' vers_defns ';' | |
1214 | { | |
1215 | $$ = lang_new_vers_node ($3, $7); | |
1216 | } | |
1217 | ; | |
1218 | ||
1219 | vers_defns: | |
1220 | VERS_IDENTIFIER | |
1221 | { | |
86043bbb MM |
1222 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, FALSE); |
1223 | } | |
1224 | | NAME | |
1225 | { | |
1226 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, TRUE); | |
252b5132 RH |
1227 | } |
1228 | | vers_defns ';' VERS_IDENTIFIER | |
1229 | { | |
86043bbb MM |
1230 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, FALSE); |
1231 | } | |
1232 | | vers_defns ';' NAME | |
1233 | { | |
1234 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, TRUE); | |
252b5132 | 1235 | } |
8e23b15d AM |
1236 | | vers_defns ';' EXTERN NAME '{' |
1237 | { | |
1238 | $<name>$ = ldgram_vers_current_lang; | |
1239 | ldgram_vers_current_lang = $4; | |
1240 | } | |
1241 | vers_defns opt_semicolon '}' | |
1242 | { | |
96f8ade5 JJ |
1243 | struct bfd_elf_version_expr *pat; |
1244 | for (pat = $7; pat->next != NULL; pat = pat->next); | |
1245 | pat->next = $1; | |
8e23b15d AM |
1246 | $$ = $7; |
1247 | ldgram_vers_current_lang = $<name>6; | |
1248 | } | |
252b5132 RH |
1249 | | EXTERN NAME '{' |
1250 | { | |
1251 | $<name>$ = ldgram_vers_current_lang; | |
1252 | ldgram_vers_current_lang = $2; | |
1253 | } | |
8e23b15d | 1254 | vers_defns opt_semicolon '}' |
252b5132 | 1255 | { |
e06cae36 | 1256 | $$ = $5; |
252b5132 RH |
1257 | ldgram_vers_current_lang = $<name>4; |
1258 | } | |
96f8ade5 JJ |
1259 | | GLOBAL |
1260 | { | |
86043bbb | 1261 | $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1262 | } |
1263 | | vers_defns ';' GLOBAL | |
1264 | { | |
86043bbb | 1265 | $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1266 | } |
1267 | | LOCAL | |
1268 | { | |
86043bbb | 1269 | $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1270 | } |
1271 | | vers_defns ';' LOCAL | |
1272 | { | |
86043bbb | 1273 | $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1274 | } |
1275 | | EXTERN | |
1276 | { | |
86043bbb | 1277 | $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1278 | } |
1279 | | vers_defns ';' EXTERN | |
1280 | { | |
86043bbb | 1281 | $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang, FALSE); |
96f8ade5 | 1282 | } |
252b5132 RH |
1283 | ; |
1284 | ||
8e23b15d AM |
1285 | opt_semicolon: |
1286 | /* empty */ | |
1287 | | ';' | |
1288 | ; | |
1289 | ||
252b5132 RH |
1290 | %% |
1291 | void | |
d038301c | 1292 | yyerror(arg) |
252b5132 | 1293 | const char *arg; |
d038301c | 1294 | { |
252b5132 RH |
1295 | if (ldfile_assumed_script) |
1296 | einfo (_("%P:%s: file format not recognized; treating as linker script\n"), | |
1297 | ldfile_input_filename); | |
1298 | if (error_index > 0 && error_index < ERROR_NAME_MAX) | |
1299 | einfo ("%P%F:%S: %s in %s\n", arg, error_names[error_index-1]); | |
1300 | else | |
1301 | einfo ("%P%F:%S: %s\n", arg); | |
1302 | } |