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, | |
3db64b00 | 3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
252b5132 RH |
4 | Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com). |
5 | ||
f96b4a7b | 6 | This file is part of the GNU Binutils. |
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 | |
f96b4a7b | 10 | the Free Software Foundation; either version 3 of the License, or |
3ec57632 | 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 | |
f96b4a7b NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
252b5132 RH |
22 | |
23 | %{ | |
24 | /* | |
25 | ||
26 | */ | |
27 | ||
28 | #define DONTDECLARE_MALLOC | |
29 | ||
252b5132 | 30 | #include "sysdep.h" |
3db64b00 | 31 | #include "bfd.h" |
252b5132 | 32 | #include "bfdlink.h" |
d038301c | 33 | #include "ld.h" |
252b5132 RH |
34 | #include "ldexp.h" |
35 | #include "ldver.h" | |
36 | #include "ldlang.h" | |
252b5132 | 37 | #include "ldfile.h" |
b71e2778 | 38 | #include "ldemul.h" |
252b5132 RH |
39 | #include "ldmisc.h" |
40 | #include "ldmain.h" | |
41 | #include "mri.h" | |
42 | #include "ldctor.h" | |
43 | #include "ldlex.h" | |
44 | ||
45 | #ifndef YYDEBUG | |
46 | #define YYDEBUG 1 | |
47 | #endif | |
48 | ||
49 | static enum section_type sectype; | |
279e75dc | 50 | static lang_memory_region_type *region; |
252b5132 | 51 | |
b34976b6 | 52 | bfd_boolean ldgram_had_keep = FALSE; |
252b5132 RH |
53 | char *ldgram_vers_current_lang = NULL; |
54 | ||
55 | #define ERROR_NAME_MAX 20 | |
56 | static char *error_names[ERROR_NAME_MAX]; | |
57 | static int error_index; | |
58 | #define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++; | |
59 | #define POP_ERROR() error_index--; | |
60 | %} | |
61 | %union { | |
62 | bfd_vma integer; | |
2c382fb6 AM |
63 | struct big_int |
64 | { | |
65 | bfd_vma integer; | |
66 | char *str; | |
67 | } bigint; | |
68 | fill_type *fill; | |
252b5132 RH |
69 | char *name; |
70 | const char *cname; | |
71 | struct wildcard_spec wildcard; | |
b6bf44ba | 72 | struct wildcard_list *wildcard_list; |
18625d54 | 73 | struct name_list *name_list; |
252b5132 RH |
74 | int token; |
75 | union etree_union *etree; | |
76 | struct phdr_info | |
77 | { | |
b34976b6 AM |
78 | bfd_boolean filehdr; |
79 | bfd_boolean phdrs; | |
252b5132 RH |
80 | union etree_union *at; |
81 | union etree_union *flags; | |
82 | } phdr; | |
83 | struct lang_nocrossref *nocrossref; | |
84 | struct lang_output_section_phdr_list *section_phdr; | |
85 | struct bfd_elf_version_deps *deflist; | |
86 | struct bfd_elf_version_expr *versyms; | |
87 | struct bfd_elf_version_tree *versnode; | |
88 | } | |
89 | ||
90 | %type <etree> exp opt_exp_with_type mustbe_exp opt_at phdr_type phdr_val | |
bbf115d3 | 91 | %type <etree> opt_exp_without_type opt_subalign opt_align |
2c382fb6 | 92 | %type <fill> fill_opt fill_exp |
18625d54 | 93 | %type <name_list> exclude_name_list |
b6bf44ba | 94 | %type <wildcard_list> file_NAME_list |
252b5132 | 95 | %type <name> memspec_opt casesymlist |
562d3460 | 96 | %type <name> memspec_at_opt |
252b5132 RH |
97 | %type <cname> wildcard_name |
98 | %type <wildcard> wildcard_spec | |
d038301c | 99 | %token <bigint> INT |
252b5132 RH |
100 | %token <name> NAME LNAME |
101 | %type <integer> length | |
102 | %type <phdr> phdr_qualifiers | |
103 | %type <nocrossref> nocrossref_list | |
104 | %type <section_phdr> phdr_opt | |
105 | %type <integer> opt_nocrossrefs | |
106 | ||
d038301c | 107 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ |
252b5132 RH |
108 | %right <token> '?' ':' |
109 | %left <token> OROR | |
110 | %left <token> ANDAND | |
111 | %left <token> '|' | |
112 | %left <token> '^' | |
113 | %left <token> '&' | |
114 | %left <token> EQ NE | |
115 | %left <token> '<' '>' LE GE | |
116 | %left <token> LSHIFT RSHIFT | |
117 | ||
118 | %left <token> '+' '-' | |
119 | %left <token> '*' '/' '%' | |
120 | ||
121 | %right UNARY | |
d038301c | 122 | %token END |
252b5132 RH |
123 | %left <token> '(' |
124 | %token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE | |
53d25da6 AM |
125 | %token SECTIONS PHDRS INSERT_K AFTER BEFORE |
126 | %token DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END | |
bcaa7b3e | 127 | %token SORT_BY_NAME SORT_BY_ALIGNMENT |
252b5132 RH |
128 | %token '{' '}' |
129 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH | |
4818e05f | 130 | %token INHIBIT_COMMON_ALLOCATION |
ba916c8a | 131 | %token SEGMENT_START |
252b5132 | 132 | %token INCLUDE |
ed9ef263 | 133 | %token MEMORY |
252b5132 | 134 | %token NOLOAD DSECT COPY INFO OVERLAY |
ed9ef263 | 135 | %token DEFINED TARGET_K SEARCH_DIR MAP ENTRY |
252b5132 | 136 | %token <integer> NEXT |
5d41b3ef | 137 | %token SIZEOF ALIGNOF ADDR LOADADDR MAX_K MIN_K |
252b5132 RH |
138 | %token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS |
139 | %token ORIGIN FILL | |
140 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS | |
7af8e998 | 141 | %token ALIGNMOD AT SUBALIGN PROVIDE PROVIDE_HIDDEN AS_NEEDED |
0841712e | 142 | %type <token> assign_op atype attributes_opt sect_constraint |
252b5132 RH |
143 | %type <name> filename |
144 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K | |
145 | %token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL | |
146 | %token INPUT_SCRIPT INPUT_MRI_SCRIPT INPUT_DEFSYM CASE EXTERN START | |
147 | %token <name> VERS_TAG VERS_IDENTIFIER | |
148 | %token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT | |
0cf7d72c | 149 | %token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL |
252b5132 | 150 | %token EXCLUDE_FILE |
24718e3b | 151 | %token CONSTANT |
252b5132 RH |
152 | %type <versyms> vers_defns |
153 | %type <versnode> vers_tag | |
154 | %type <deflist> verdep | |
55255dae | 155 | %token INPUT_DYNAMIC_LIST |
252b5132 RH |
156 | |
157 | %% | |
158 | ||
d038301c | 159 | file: |
252b5132 RH |
160 | INPUT_SCRIPT script_file |
161 | | INPUT_MRI_SCRIPT mri_script_file | |
162 | | INPUT_VERSION_SCRIPT version_script_file | |
55255dae | 163 | | INPUT_DYNAMIC_LIST dynamic_list_file |
252b5132 RH |
164 | | INPUT_DEFSYM defsym_expr |
165 | ; | |
166 | ||
167 | ||
168 | filename: NAME; | |
169 | ||
170 | ||
171 | defsym_expr: | |
172 | { ldlex_defsym(); } | |
173 | NAME '=' exp | |
174 | { | |
175 | ldlex_popstate(); | |
176 | lang_add_assignment(exp_assop($3,$2,$4)); | |
177 | } | |
944cd72c | 178 | ; |
252b5132 | 179 | |
d038301c | 180 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
252b5132 RH |
181 | mri_script_file: |
182 | { | |
183 | ldlex_mri_script (); | |
184 | PUSH_ERROR (_("MRI style script")); | |
185 | } | |
186 | mri_script_lines | |
187 | { | |
188 | ldlex_popstate (); | |
189 | mri_draw_tree (); | |
190 | POP_ERROR (); | |
191 | } | |
192 | ; | |
193 | ||
194 | mri_script_lines: | |
195 | mri_script_lines mri_script_command NEWLINE | |
196 | | | |
197 | ; | |
198 | ||
199 | mri_script_command: | |
d038301c | 200 | CHIP exp |
252b5132 RH |
201 | | CHIP exp ',' exp |
202 | | NAME { | |
203 | einfo(_("%P%F: unrecognised keyword in MRI style script '%s'\n"),$1); | |
204 | } | |
205 | | LIST { | |
206 | config.map_filename = "-"; | |
207 | } | |
208 | | ORDER ordernamelist | |
d038301c | 209 | | ENDWORD |
252b5132 RH |
210 | | PUBLIC NAME '=' exp |
211 | { mri_public($2, $4); } | |
212 | | PUBLIC NAME ',' exp | |
213 | { mri_public($2, $4); } | |
d038301c | 214 | | PUBLIC NAME exp |
252b5132 RH |
215 | { mri_public($2, $3); } |
216 | | FORMAT NAME | |
217 | { mri_format($2); } | |
218 | | SECT NAME ',' exp | |
219 | { mri_output_section($2, $4);} | |
220 | | SECT NAME exp | |
221 | { mri_output_section($2, $3);} | |
222 | | SECT NAME '=' exp | |
223 | { mri_output_section($2, $4);} | |
224 | | ALIGN_K NAME '=' exp | |
225 | { mri_align($2,$4); } | |
226 | | ALIGN_K NAME ',' exp | |
227 | { mri_align($2,$4); } | |
228 | | ALIGNMOD NAME '=' exp | |
229 | { mri_alignmod($2,$4); } | |
230 | | ALIGNMOD NAME ',' exp | |
231 | { mri_alignmod($2,$4); } | |
232 | | ABSOLUTE mri_abs_name_list | |
233 | | LOAD mri_load_name_list | |
d038301c RM |
234 | | NAMEWORD NAME |
235 | { mri_name($2); } | |
252b5132 RH |
236 | | ALIAS NAME ',' NAME |
237 | { mri_alias($2,$4,0);} | |
238 | | ALIAS NAME ',' INT | |
2c382fb6 | 239 | { mri_alias ($2, 0, (int) $4.integer); } |
252b5132 RH |
240 | | BASE exp |
241 | { mri_base($2); } | |
2c382fb6 AM |
242 | | TRUNCATE INT |
243 | { mri_truncate ((unsigned int) $2.integer); } | |
252b5132 RH |
244 | | CASE casesymlist |
245 | | EXTERN extern_name_list | |
246 | | INCLUDE filename | |
b47c4208 AM |
247 | { ldlex_script (); ldfile_open_command_file($2); } |
248 | mri_script_lines END | |
249 | { ldlex_popstate (); } | |
252b5132 | 250 | | START NAME |
b34976b6 | 251 | { lang_add_entry ($2, FALSE); } |
252b5132 RH |
252 | | |
253 | ; | |
254 | ||
255 | ordernamelist: | |
256 | ordernamelist ',' NAME { mri_order($3); } | |
257 | | ordernamelist NAME { mri_order($2); } | |
258 | | | |
259 | ; | |
260 | ||
261 | mri_load_name_list: | |
262 | NAME | |
263 | { mri_load($1); } | |
264 | | mri_load_name_list ',' NAME { mri_load($3); } | |
265 | ; | |
266 | ||
267 | mri_abs_name_list: | |
268 | NAME | |
269 | { mri_only_load($1); } | |
270 | | mri_abs_name_list ',' NAME | |
271 | { mri_only_load($3); } | |
272 | ; | |
273 | ||
274 | casesymlist: | |
275 | /* empty */ { $$ = NULL; } | |
276 | | NAME | |
277 | | casesymlist ',' NAME | |
278 | ; | |
279 | ||
8545d1a9 | 280 | /* Parsed as expressions so that commas separate entries */ |
252b5132 | 281 | extern_name_list: |
8545d1a9 NS |
282 | { ldlex_expression (); } |
283 | extern_name_list_body | |
284 | { ldlex_popstate (); } | |
285 | ||
286 | extern_name_list_body: | |
252b5132 RH |
287 | NAME |
288 | { ldlang_add_undef ($1); } | |
8545d1a9 | 289 | | extern_name_list_body NAME |
252b5132 | 290 | { ldlang_add_undef ($2); } |
8545d1a9 | 291 | | extern_name_list_body ',' NAME |
252b5132 RH |
292 | { ldlang_add_undef ($3); } |
293 | ; | |
294 | ||
295 | script_file: | |
8545d1a9 NS |
296 | { ldlex_both(); } |
297 | ifile_list | |
298 | { ldlex_popstate(); } | |
252b5132 RH |
299 | ; |
300 | ||
252b5132 | 301 | ifile_list: |
8545d1a9 | 302 | ifile_list ifile_p1 |
252b5132 RH |
303 | | |
304 | ; | |
305 | ||
306 | ||
252b5132 RH |
307 | ifile_p1: |
308 | memory | |
309 | | sections | |
310 | | phdrs | |
311 | | startup | |
312 | | high_level_library | |
313 | | low_level_library | |
314 | | floating_point_support | |
315 | | statement_anywhere | |
316 | | version | |
317 | | ';' | |
318 | | TARGET_K '(' NAME ')' | |
319 | { lang_add_target($3); } | |
320 | | SEARCH_DIR '(' filename ')' | |
b34976b6 | 321 | { ldfile_add_library_path ($3, FALSE); } |
252b5132 RH |
322 | | OUTPUT '(' filename ')' |
323 | { lang_add_output($3, 1); } | |
324 | | OUTPUT_FORMAT '(' NAME ')' | |
325 | { lang_add_output_format ($3, (char *) NULL, | |
326 | (char *) NULL, 1); } | |
327 | | OUTPUT_FORMAT '(' NAME ',' NAME ',' NAME ')' | |
328 | { lang_add_output_format ($3, $5, $7, 1); } | |
329 | | OUTPUT_ARCH '(' NAME ')' | |
5e2f1575 | 330 | { ldfile_set_output_arch ($3, bfd_arch_unknown); } |
252b5132 | 331 | | FORCE_COMMON_ALLOCATION |
b34976b6 | 332 | { command_line.force_common_definition = TRUE ; } |
4818e05f | 333 | | INHIBIT_COMMON_ALLOCATION |
b34976b6 | 334 | { command_line.inhibit_common_definition = TRUE ; } |
252b5132 RH |
335 | | INPUT '(' input_list ')' |
336 | | GROUP | |
337 | { lang_enter_group (); } | |
338 | '(' input_list ')' | |
339 | { lang_leave_group (); } | |
340 | | MAP '(' filename ')' | |
341 | { lang_add_map($3); } | |
d038301c | 342 | | INCLUDE filename |
b47c4208 AM |
343 | { ldlex_script (); ldfile_open_command_file($2); } |
344 | ifile_list END | |
345 | { ldlex_popstate (); } | |
252b5132 RH |
346 | | NOCROSSREFS '(' nocrossref_list ')' |
347 | { | |
348 | lang_add_nocrossref ($3); | |
349 | } | |
350 | | EXTERN '(' extern_name_list ')' | |
53d25da6 AM |
351 | | INSERT_K AFTER NAME |
352 | { lang_add_insert ($3, 0); } | |
353 | | INSERT_K BEFORE NAME | |
354 | { lang_add_insert ($3, 1); } | |
252b5132 RH |
355 | ; |
356 | ||
357 | input_list: | |
358 | NAME | |
359 | { lang_add_input_file($1,lang_input_file_is_search_file_enum, | |
360 | (char *)NULL); } | |
361 | | input_list ',' NAME | |
362 | { lang_add_input_file($3,lang_input_file_is_search_file_enum, | |
363 | (char *)NULL); } | |
364 | | input_list NAME | |
365 | { lang_add_input_file($2,lang_input_file_is_search_file_enum, | |
366 | (char *)NULL); } | |
367 | | LNAME | |
368 | { lang_add_input_file($1,lang_input_file_is_l_enum, | |
369 | (char *)NULL); } | |
370 | | input_list ',' LNAME | |
371 | { lang_add_input_file($3,lang_input_file_is_l_enum, | |
372 | (char *)NULL); } | |
373 | | input_list LNAME | |
374 | { lang_add_input_file($2,lang_input_file_is_l_enum, | |
375 | (char *)NULL); } | |
b717d30e JJ |
376 | | AS_NEEDED '(' |
377 | { $<integer>$ = as_needed; as_needed = TRUE; } | |
378 | input_list ')' | |
379 | { as_needed = $<integer>3; } | |
380 | | input_list ',' AS_NEEDED '(' | |
381 | { $<integer>$ = as_needed; as_needed = TRUE; } | |
382 | input_list ')' | |
383 | { as_needed = $<integer>5; } | |
384 | | input_list AS_NEEDED '(' | |
385 | { $<integer>$ = as_needed; as_needed = TRUE; } | |
386 | input_list ')' | |
387 | { as_needed = $<integer>4; } | |
252b5132 RH |
388 | ; |
389 | ||
390 | sections: | |
391 | SECTIONS '{' sec_or_group_p1 '}' | |
392 | ; | |
393 | ||
394 | sec_or_group_p1: | |
395 | sec_or_group_p1 section | |
396 | | sec_or_group_p1 statement_anywhere | |
397 | | | |
398 | ; | |
399 | ||
400 | statement_anywhere: | |
401 | ENTRY '(' NAME ')' | |
b34976b6 | 402 | { lang_add_entry ($3, FALSE); } |
252b5132 | 403 | | assignment end |
b6ca8815 NS |
404 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' |
405 | { ldlex_popstate (); | |
406 | lang_add_assignment (exp_assert ($4, $6)); } | |
252b5132 RH |
407 | ; |
408 | ||
409 | /* The '*' and '?' cases are there because the lexer returns them as | |
410 | separate tokens rather than as NAME. */ | |
411 | wildcard_name: | |
412 | NAME | |
413 | { | |
414 | $$ = $1; | |
415 | } | |
416 | | '*' | |
417 | { | |
418 | $$ = "*"; | |
419 | } | |
420 | | '?' | |
421 | { | |
422 | $$ = "?"; | |
423 | } | |
424 | ; | |
425 | ||
426 | wildcard_spec: | |
427 | wildcard_name | |
428 | { | |
429 | $$.name = $1; | |
bcaa7b3e | 430 | $$.sorted = none; |
18625d54 | 431 | $$.exclude_name_list = NULL; |
252b5132 | 432 | } |
18625d54 | 433 | | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name |
252b5132 RH |
434 | { |
435 | $$.name = $5; | |
bcaa7b3e | 436 | $$.sorted = none; |
18625d54 | 437 | $$.exclude_name_list = $3; |
252b5132 | 438 | } |
bcaa7b3e | 439 | | SORT_BY_NAME '(' wildcard_name ')' |
252b5132 RH |
440 | { |
441 | $$.name = $3; | |
bcaa7b3e | 442 | $$.sorted = by_name; |
18625d54 | 443 | $$.exclude_name_list = NULL; |
252b5132 | 444 | } |
bcaa7b3e L |
445 | | SORT_BY_ALIGNMENT '(' wildcard_name ')' |
446 | { | |
447 | $$.name = $3; | |
448 | $$.sorted = by_alignment; | |
449 | $$.exclude_name_list = NULL; | |
450 | } | |
451 | | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')' | |
452 | { | |
453 | $$.name = $5; | |
454 | $$.sorted = by_name_alignment; | |
455 | $$.exclude_name_list = NULL; | |
456 | } | |
457 | | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_name ')' ')' | |
458 | { | |
459 | $$.name = $5; | |
460 | $$.sorted = by_name; | |
461 | $$.exclude_name_list = NULL; | |
462 | } | |
463 | | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_name ')' ')' | |
464 | { | |
465 | $$.name = $5; | |
466 | $$.sorted = by_alignment_name; | |
467 | $$.exclude_name_list = NULL; | |
468 | } | |
469 | | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')' | |
470 | { | |
471 | $$.name = $5; | |
472 | $$.sorted = by_alignment; | |
473 | $$.exclude_name_list = NULL; | |
474 | } | |
475 | | SORT_BY_NAME '(' EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name ')' | |
252b5132 RH |
476 | { |
477 | $$.name = $7; | |
bcaa7b3e | 478 | $$.sorted = by_name; |
18625d54 | 479 | $$.exclude_name_list = $5; |
252b5132 RH |
480 | } |
481 | ; | |
482 | ||
18625d54 | 483 | exclude_name_list: |
765b7cbe | 484 | exclude_name_list wildcard_name |
18625d54 CM |
485 | { |
486 | struct name_list *tmp; | |
487 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
765b7cbe | 488 | tmp->name = $2; |
18625d54 | 489 | tmp->next = $1; |
d038301c | 490 | $$ = tmp; |
18625d54 CM |
491 | } |
492 | | | |
493 | wildcard_name | |
494 | { | |
495 | struct name_list *tmp; | |
496 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
497 | tmp->name = $1; | |
498 | tmp->next = NULL; | |
499 | $$ = tmp; | |
500 | } | |
501 | ; | |
502 | ||
252b5132 | 503 | file_NAME_list: |
b6bf44ba | 504 | file_NAME_list opt_comma wildcard_spec |
252b5132 | 505 | { |
b6bf44ba AM |
506 | struct wildcard_list *tmp; |
507 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
508 | tmp->next = $1; | |
509 | tmp->spec = $3; | |
510 | $$ = tmp; | |
252b5132 | 511 | } |
b6bf44ba AM |
512 | | |
513 | wildcard_spec | |
252b5132 | 514 | { |
b6bf44ba AM |
515 | struct wildcard_list *tmp; |
516 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
517 | tmp->next = NULL; | |
518 | tmp->spec = $1; | |
519 | $$ = tmp; | |
252b5132 RH |
520 | } |
521 | ; | |
522 | ||
523 | input_section_spec_no_keep: | |
524 | NAME | |
525 | { | |
b6bf44ba AM |
526 | struct wildcard_spec tmp; |
527 | tmp.name = $1; | |
528 | tmp.exclude_name_list = NULL; | |
bcaa7b3e | 529 | tmp.sorted = none; |
b6bf44ba | 530 | lang_add_wild (&tmp, NULL, ldgram_had_keep); |
252b5132 | 531 | } |
b6bf44ba | 532 | | '[' file_NAME_list ']' |
252b5132 | 533 | { |
b6bf44ba | 534 | lang_add_wild (NULL, $2, ldgram_had_keep); |
252b5132 | 535 | } |
b6bf44ba | 536 | | wildcard_spec '(' file_NAME_list ')' |
252b5132 | 537 | { |
b6bf44ba | 538 | lang_add_wild (&$1, $3, ldgram_had_keep); |
252b5132 | 539 | } |
252b5132 RH |
540 | ; |
541 | ||
542 | input_section_spec: | |
543 | input_section_spec_no_keep | |
544 | | KEEP '(' | |
b34976b6 | 545 | { ldgram_had_keep = TRUE; } |
252b5132 | 546 | input_section_spec_no_keep ')' |
b34976b6 | 547 | { ldgram_had_keep = FALSE; } |
252b5132 RH |
548 | ; |
549 | ||
550 | statement: | |
551 | assignment end | |
552 | | CREATE_OBJECT_SYMBOLS | |
553 | { | |
d038301c | 554 | lang_add_attribute(lang_object_symbols_statement_enum); |
252b5132 RH |
555 | } |
556 | | ';' | |
557 | | CONSTRUCTORS | |
558 | { | |
d038301c RM |
559 | |
560 | lang_add_attribute(lang_constructors_statement_enum); | |
252b5132 | 561 | } |
bcaa7b3e | 562 | | SORT_BY_NAME '(' CONSTRUCTORS ')' |
252b5132 | 563 | { |
b34976b6 | 564 | constructors_sorted = TRUE; |
252b5132 RH |
565 | lang_add_attribute (lang_constructors_statement_enum); |
566 | } | |
567 | | input_section_spec | |
568 | | length '(' mustbe_exp ')' | |
569 | { | |
2c382fb6 | 570 | lang_add_data ((int) $1, $3); |
252b5132 | 571 | } |
d038301c | 572 | |
2c382fb6 | 573 | | FILL '(' fill_exp ')' |
252b5132 | 574 | { |
2c382fb6 | 575 | lang_add_fill ($3); |
252b5132 | 576 | } |
8545d1a9 NS |
577 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' end |
578 | { ldlex_popstate (); | |
579 | lang_add_assignment (exp_assert ($4, $6)); } | |
4006703d NS |
580 | | INCLUDE filename |
581 | { ldlex_script (); ldfile_open_command_file($2); } | |
582 | statement_list_opt END | |
583 | { ldlex_popstate (); } | |
252b5132 RH |
584 | ; |
585 | ||
586 | statement_list: | |
587 | statement_list statement | |
588 | | statement | |
589 | ; | |
d038301c | 590 | |
252b5132 RH |
591 | statement_list_opt: |
592 | /* empty */ | |
593 | | statement_list | |
594 | ; | |
595 | ||
596 | length: | |
597 | QUAD | |
598 | { $$ = $1; } | |
599 | | SQUAD | |
600 | { $$ = $1; } | |
601 | | LONG | |
602 | { $$ = $1; } | |
603 | | SHORT | |
604 | { $$ = $1; } | |
605 | | BYTE | |
606 | { $$ = $1; } | |
607 | ; | |
608 | ||
2c382fb6 AM |
609 | fill_exp: |
610 | mustbe_exp | |
252b5132 | 611 | { |
e9ee469a | 612 | $$ = exp_get_fill ($1, 0, "fill value"); |
252b5132 | 613 | } |
252b5132 RH |
614 | ; |
615 | ||
2c382fb6 AM |
616 | fill_opt: |
617 | '=' fill_exp | |
618 | { $$ = $2; } | |
619 | | { $$ = (fill_type *) 0; } | |
620 | ; | |
252b5132 RH |
621 | |
622 | assign_op: | |
623 | PLUSEQ | |
624 | { $$ = '+'; } | |
625 | | MINUSEQ | |
626 | { $$ = '-'; } | |
627 | | MULTEQ | |
628 | { $$ = '*'; } | |
629 | | DIVEQ | |
630 | { $$ = '/'; } | |
631 | | LSHIFTEQ | |
632 | { $$ = LSHIFT; } | |
633 | | RSHIFTEQ | |
634 | { $$ = RSHIFT; } | |
635 | | ANDEQ | |
636 | { $$ = '&'; } | |
637 | | OREQ | |
638 | { $$ = '|'; } | |
639 | ||
640 | ; | |
641 | ||
642 | end: ';' | ',' | |
643 | ; | |
644 | ||
645 | ||
646 | assignment: | |
647 | NAME '=' mustbe_exp | |
648 | { | |
649 | lang_add_assignment (exp_assop ($2, $1, $3)); | |
650 | } | |
651 | | NAME assign_op mustbe_exp | |
652 | { | |
653 | lang_add_assignment (exp_assop ('=', $1, | |
654 | exp_binop ($2, | |
655 | exp_nameop (NAME, | |
656 | $1), | |
657 | $3))); | |
658 | } | |
659 | | PROVIDE '(' NAME '=' mustbe_exp ')' | |
660 | { | |
7af8e998 L |
661 | lang_add_assignment (exp_provide ($3, $5, FALSE)); |
662 | } | |
663 | | PROVIDE_HIDDEN '(' NAME '=' mustbe_exp ')' | |
664 | { | |
665 | lang_add_assignment (exp_provide ($3, $5, TRUE)); | |
252b5132 RH |
666 | } |
667 | ; | |
668 | ||
669 | ||
670 | opt_comma: | |
671 | ',' | ; | |
672 | ||
673 | ||
674 | memory: | |
4006703d | 675 | MEMORY '{' memory_spec_list_opt '}' |
252b5132 RH |
676 | ; |
677 | ||
4006703d NS |
678 | memory_spec_list_opt: memory_spec_list | ; |
679 | ||
252b5132 | 680 | memory_spec_list: |
4006703d NS |
681 | memory_spec_list opt_comma memory_spec |
682 | | memory_spec | |
252b5132 RH |
683 | ; |
684 | ||
685 | ||
2d801b0f | 686 | memory_spec: NAME |
a747ee4d | 687 | { region = lang_memory_region_lookup ($1, TRUE); } |
252b5132 RH |
688 | attributes_opt ':' |
689 | origin_spec opt_comma length_spec | |
2d801b0f | 690 | {} |
4006703d NS |
691 | | INCLUDE filename |
692 | { ldlex_script (); ldfile_open_command_file($2); } | |
693 | memory_spec_list_opt END | |
694 | { ldlex_popstate (); } | |
74459f0e TW |
695 | ; |
696 | ||
697 | origin_spec: | |
252b5132 | 698 | ORIGIN '=' mustbe_exp |
e9ee469a AM |
699 | { |
700 | region->origin = exp_get_vma ($3, 0, "origin"); | |
701 | region->current = region->origin; | |
702 | } | |
252b5132 RH |
703 | ; |
704 | ||
705 | length_spec: | |
706 | LENGTH '=' mustbe_exp | |
e9ee469a AM |
707 | { |
708 | region->length = exp_get_vma ($3, -1, "length"); | |
252b5132 | 709 | } |
aa8804e4 | 710 | ; |
252b5132 RH |
711 | |
712 | attributes_opt: | |
aa8804e4 ILT |
713 | /* empty */ |
714 | { /* dummy action to avoid bison 1.25 error message */ } | |
715 | | '(' attributes_list ')' | |
716 | ; | |
717 | ||
718 | attributes_list: | |
719 | attributes_string | |
720 | | attributes_list attributes_string | |
721 | ; | |
722 | ||
723 | attributes_string: | |
724 | NAME | |
725 | { lang_set_flags (region, $1, 0); } | |
726 | | '!' NAME | |
727 | { lang_set_flags (region, $2, 1); } | |
252b5132 RH |
728 | ; |
729 | ||
730 | startup: | |
731 | STARTUP '(' filename ')' | |
732 | { lang_startup($3); } | |
733 | ; | |
734 | ||
735 | high_level_library: | |
736 | HLL '(' high_level_library_NAME_list ')' | |
737 | | HLL '(' ')' | |
738 | { ldemul_hll((char *)NULL); } | |
739 | ; | |
740 | ||
741 | high_level_library_NAME_list: | |
742 | high_level_library_NAME_list opt_comma filename | |
743 | { ldemul_hll($3); } | |
744 | | filename | |
745 | { ldemul_hll($1); } | |
746 | ||
747 | ; | |
748 | ||
749 | low_level_library: | |
750 | SYSLIB '(' low_level_library_NAME_list ')' | |
751 | ; low_level_library_NAME_list: | |
752 | low_level_library_NAME_list opt_comma filename | |
753 | { ldemul_syslib($3); } | |
754 | | | |
755 | ; | |
756 | ||
757 | floating_point_support: | |
758 | FLOAT | |
b34976b6 | 759 | { lang_float(TRUE); } |
252b5132 | 760 | | NOFLOAT |
b34976b6 | 761 | { lang_float(FALSE); } |
252b5132 | 762 | ; |
d038301c | 763 | |
252b5132 RH |
764 | nocrossref_list: |
765 | /* empty */ | |
766 | { | |
767 | $$ = NULL; | |
768 | } | |
769 | | NAME nocrossref_list | |
770 | { | |
771 | struct lang_nocrossref *n; | |
772 | ||
773 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
774 | n->name = $1; | |
775 | n->next = $2; | |
776 | $$ = n; | |
777 | } | |
778 | | NAME ',' nocrossref_list | |
779 | { | |
780 | struct lang_nocrossref *n; | |
781 | ||
782 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
783 | n->name = $1; | |
784 | n->next = $3; | |
785 | $$ = n; | |
786 | } | |
787 | ; | |
788 | ||
3ec57632 | 789 | mustbe_exp: { ldlex_expression (); } |
252b5132 | 790 | exp |
3ec57632 | 791 | { ldlex_popstate (); $$=$2;} |
252b5132 RH |
792 | ; |
793 | ||
794 | exp : | |
795 | '-' exp %prec UNARY | |
3ec57632 | 796 | { $$ = exp_unop ('-', $2); } |
252b5132 RH |
797 | | '(' exp ')' |
798 | { $$ = $2; } | |
799 | | NEXT '(' exp ')' %prec UNARY | |
3ec57632 | 800 | { $$ = exp_unop ((int) $1,$3); } |
252b5132 | 801 | | '!' exp %prec UNARY |
3ec57632 | 802 | { $$ = exp_unop ('!', $2); } |
252b5132 RH |
803 | | '+' exp %prec UNARY |
804 | { $$ = $2; } | |
805 | | '~' exp %prec UNARY | |
3ec57632 | 806 | { $$ = exp_unop ('~', $2);} |
252b5132 RH |
807 | |
808 | | exp '*' exp | |
3ec57632 | 809 | { $$ = exp_binop ('*', $1, $3); } |
252b5132 | 810 | | exp '/' exp |
3ec57632 | 811 | { $$ = exp_binop ('/', $1, $3); } |
252b5132 | 812 | | exp '%' exp |
3ec57632 | 813 | { $$ = 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 LSHIFT exp |
3ec57632 | 819 | { $$ = exp_binop (LSHIFT , $1, $3); } |
252b5132 | 820 | | exp RSHIFT exp |
3ec57632 | 821 | { $$ = exp_binop (RSHIFT , $1, $3); } |
252b5132 | 822 | | exp EQ exp |
3ec57632 | 823 | { $$ = exp_binop (EQ , $1, $3); } |
252b5132 | 824 | | exp NE exp |
3ec57632 | 825 | { $$ = exp_binop (NE , $1, $3); } |
252b5132 | 826 | | exp LE exp |
3ec57632 | 827 | { $$ = exp_binop (LE , $1, $3); } |
252b5132 | 828 | | exp GE exp |
3ec57632 | 829 | { $$ = exp_binop (GE , $1, $3); } |
252b5132 | 830 | | exp '<' exp |
3ec57632 | 831 | { $$ = exp_binop ('<' , $1, $3); } |
252b5132 | 832 | | exp '>' exp |
3ec57632 | 833 | { $$ = exp_binop ('>' , $1, $3); } |
252b5132 | 834 | | exp '&' exp |
3ec57632 | 835 | { $$ = exp_binop ('&' , $1, $3); } |
252b5132 | 836 | | exp '^' exp |
3ec57632 | 837 | { $$ = exp_binop ('^' , $1, $3); } |
252b5132 | 838 | | exp '|' exp |
3ec57632 | 839 | { $$ = exp_binop ('|' , $1, $3); } |
252b5132 | 840 | | exp '?' exp ':' exp |
3ec57632 | 841 | { $$ = exp_trinop ('?' , $1, $3, $5); } |
252b5132 | 842 | | exp ANDAND exp |
3ec57632 | 843 | { $$ = exp_binop (ANDAND , $1, $3); } |
252b5132 | 844 | | exp OROR exp |
3ec57632 | 845 | { $$ = exp_binop (OROR , $1, $3); } |
252b5132 | 846 | | DEFINED '(' NAME ')' |
3ec57632 | 847 | { $$ = exp_nameop (DEFINED, $3); } |
252b5132 | 848 | | INT |
2c382fb6 | 849 | { $$ = exp_bigintop ($1.integer, $1.str); } |
252b5132 | 850 | | SIZEOF_HEADERS |
3ec57632 | 851 | { $$ = exp_nameop (SIZEOF_HEADERS,0); } |
252b5132 | 852 | |
5d41b3ef NS |
853 | | ALIGNOF '(' NAME ')' |
854 | { $$ = exp_nameop (ALIGNOF,$3); } | |
252b5132 | 855 | | SIZEOF '(' NAME ')' |
3ec57632 | 856 | { $$ = exp_nameop (SIZEOF,$3); } |
252b5132 | 857 | | ADDR '(' NAME ')' |
3ec57632 | 858 | { $$ = exp_nameop (ADDR,$3); } |
252b5132 | 859 | | LOADADDR '(' NAME ')' |
3ec57632 | 860 | { $$ = exp_nameop (LOADADDR,$3); } |
24718e3b L |
861 | | CONSTANT '(' NAME ')' |
862 | { $$ = exp_nameop (CONSTANT,$3); } | |
252b5132 | 863 | | ABSOLUTE '(' exp ')' |
3ec57632 | 864 | { $$ = exp_unop (ABSOLUTE, $3); } |
252b5132 | 865 | | ALIGN_K '(' exp ')' |
3ec57632 | 866 | { $$ = exp_unop (ALIGN_K,$3); } |
876f4090 | 867 | | ALIGN_K '(' exp ',' exp ')' |
3ec57632 | 868 | { $$ = exp_binop (ALIGN_K,$3,$5); } |
2d20f7bf JJ |
869 | | DATA_SEGMENT_ALIGN '(' exp ',' exp ')' |
870 | { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); } | |
a4f5ad88 JJ |
871 | | DATA_SEGMENT_RELRO_END '(' exp ',' exp ')' |
872 | { $$ = exp_binop (DATA_SEGMENT_RELRO_END, $5, $3); } | |
2d20f7bf | 873 | | DATA_SEGMENT_END '(' exp ')' |
3ec57632 | 874 | { $$ = exp_unop (DATA_SEGMENT_END, $3); } |
ba916c8a MM |
875 | | SEGMENT_START '(' NAME ',' exp ')' |
876 | { /* The operands to the expression node are | |
877 | placed in the opposite order from the way | |
878 | in which they appear in the script as | |
879 | that allows us to reuse more code in | |
880 | fold_binary. */ | |
881 | $$ = exp_binop (SEGMENT_START, | |
882 | $5, | |
883 | exp_nameop (NAME, $3)); } | |
252b5132 | 884 | | BLOCK '(' exp ')' |
3ec57632 | 885 | { $$ = exp_unop (ALIGN_K,$3); } |
252b5132 | 886 | | NAME |
3ec57632 | 887 | { $$ = exp_nameop (NAME,$1); } |
252b5132 RH |
888 | | MAX_K '(' exp ',' exp ')' |
889 | { $$ = exp_binop (MAX_K, $3, $5 ); } | |
890 | | MIN_K '(' exp ',' exp ')' | |
891 | { $$ = exp_binop (MIN_K, $3, $5 ); } | |
892 | | ASSERT_K '(' exp ',' NAME ')' | |
893 | { $$ = exp_assert ($3, $5); } | |
3ec57632 NC |
894 | | ORIGIN '(' NAME ')' |
895 | { $$ = exp_nameop (ORIGIN, $3); } | |
896 | | LENGTH '(' NAME ')' | |
897 | { $$ = exp_nameop (LENGTH, $3); } | |
252b5132 RH |
898 | ; |
899 | ||
900 | ||
562d3460 TW |
901 | memspec_at_opt: |
902 | AT '>' NAME { $$ = $3; } | |
9f88b410 | 903 | | { $$ = 0; } |
562d3460 TW |
904 | ; |
905 | ||
252b5132 RH |
906 | opt_at: |
907 | AT '(' exp ')' { $$ = $3; } | |
908 | | { $$ = 0; } | |
909 | ; | |
910 | ||
bbf115d3 L |
911 | opt_align: |
912 | ALIGN_K '(' exp ')' { $$ = $3; } | |
913 | | { $$ = 0; } | |
914 | ; | |
915 | ||
7e7d5768 AM |
916 | opt_subalign: |
917 | SUBALIGN '(' exp ')' { $$ = $3; } | |
918 | | { $$ = 0; } | |
919 | ; | |
920 | ||
0841712e JJ |
921 | sect_constraint: |
922 | ONLY_IF_RO { $$ = ONLY_IF_RO; } | |
923 | | ONLY_IF_RW { $$ = ONLY_IF_RW; } | |
0cf7d72c | 924 | | SPECIAL { $$ = SPECIAL; } |
0841712e JJ |
925 | | { $$ = 0; } |
926 | ; | |
927 | ||
252b5132 | 928 | section: NAME { ldlex_expression(); } |
d038301c | 929 | opt_exp_with_type |
7e7d5768 | 930 | opt_at |
bbf115d3 | 931 | opt_align |
7e7d5768 | 932 | opt_subalign { ldlex_popstate (); ldlex_script (); } |
0841712e | 933 | sect_constraint |
252b5132 RH |
934 | '{' |
935 | { | |
936 | lang_enter_output_section_statement($1, $3, | |
937 | sectype, | |
bbf115d3 | 938 | $5, $6, $4, $8); |
252b5132 | 939 | } |
d038301c | 940 | statement_list_opt |
252b5132 | 941 | '}' { ldlex_popstate (); ldlex_expression (); } |
562d3460 | 942 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 RH |
943 | { |
944 | ldlex_popstate (); | |
bbf115d3 | 945 | lang_leave_output_section_statement ($17, $14, $16, $15); |
252b5132 RH |
946 | } |
947 | opt_comma | |
2d801b0f | 948 | {} |
252b5132 RH |
949 | | OVERLAY |
950 | { ldlex_expression (); } | |
7e7d5768 | 951 | opt_exp_without_type opt_nocrossrefs opt_at opt_subalign |
252b5132 | 952 | { ldlex_popstate (); ldlex_script (); } |
d038301c | 953 | '{' |
252b5132 | 954 | { |
7e7d5768 | 955 | lang_enter_overlay ($3, $6); |
252b5132 RH |
956 | } |
957 | overlay_section | |
958 | '}' | |
959 | { ldlex_popstate (); ldlex_expression (); } | |
562d3460 | 960 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 RH |
961 | { |
962 | ldlex_popstate (); | |
9f88b410 | 963 | lang_leave_overlay ($5, (int) $4, |
7e7d5768 | 964 | $16, $13, $15, $14); |
252b5132 RH |
965 | } |
966 | opt_comma | |
967 | | /* The GROUP case is just enough to support the gcc | |
968 | svr3.ifile script. It is not intended to be full | |
969 | support. I'm not even sure what GROUP is supposed | |
970 | to mean. */ | |
971 | GROUP { ldlex_expression (); } | |
972 | opt_exp_with_type | |
973 | { | |
974 | ldlex_popstate (); | |
975 | lang_add_assignment (exp_assop ('=', ".", $3)); | |
976 | } | |
977 | '{' sec_or_group_p1 '}' | |
4006703d NS |
978 | | INCLUDE filename |
979 | { ldlex_script (); ldfile_open_command_file($2); } | |
980 | sec_or_group_p1 END | |
981 | { ldlex_popstate (); } | |
252b5132 RH |
982 | ; |
983 | ||
984 | type: | |
985 | NOLOAD { sectype = noload_section; } | |
02a38f92 AM |
986 | | DSECT { sectype = noalloc_section; } |
987 | | COPY { sectype = noalloc_section; } | |
988 | | INFO { sectype = noalloc_section; } | |
989 | | OVERLAY { sectype = noalloc_section; } | |
252b5132 RH |
990 | ; |
991 | ||
992 | atype: | |
993 | '(' type ')' | |
994 | | /* EMPTY */ { sectype = normal_section; } | |
995 | | '(' ')' { sectype = normal_section; } | |
996 | ; | |
997 | ||
998 | opt_exp_with_type: | |
999 | exp atype ':' { $$ = $1; } | |
1000 | | atype ':' { $$ = (etree_type *)NULL; } | |
1001 | | /* The BIND cases are to support the gcc svr3.ifile | |
1002 | script. They aren't intended to implement full | |
1003 | support for the BIND keyword. I'm not even sure | |
1004 | what BIND is supposed to mean. */ | |
1005 | BIND '(' exp ')' atype ':' { $$ = $3; } | |
1006 | | BIND '(' exp ')' BLOCK '(' exp ')' atype ':' | |
1007 | { $$ = $3; } | |
1008 | ; | |
1009 | ||
1010 | opt_exp_without_type: | |
1011 | exp ':' { $$ = $1; } | |
1012 | | ':' { $$ = (etree_type *) NULL; } | |
1013 | ; | |
1014 | ||
1015 | opt_nocrossrefs: | |
1016 | /* empty */ | |
1017 | { $$ = 0; } | |
1018 | | NOCROSSREFS | |
1019 | { $$ = 1; } | |
1020 | ; | |
1021 | ||
1022 | memspec_opt: | |
1023 | '>' NAME | |
1024 | { $$ = $2; } | |
a747ee4d | 1025 | | { $$ = DEFAULT_MEMORY_REGION; } |
252b5132 RH |
1026 | ; |
1027 | ||
1028 | phdr_opt: | |
1029 | /* empty */ | |
1030 | { | |
1031 | $$ = NULL; | |
1032 | } | |
1033 | | phdr_opt ':' NAME | |
1034 | { | |
1035 | struct lang_output_section_phdr_list *n; | |
1036 | ||
1037 | n = ((struct lang_output_section_phdr_list *) | |
1038 | xmalloc (sizeof *n)); | |
1039 | n->name = $3; | |
b34976b6 | 1040 | n->used = FALSE; |
252b5132 RH |
1041 | n->next = $1; |
1042 | $$ = n; | |
1043 | } | |
1044 | ; | |
1045 | ||
1046 | overlay_section: | |
1047 | /* empty */ | |
1048 | | overlay_section | |
1049 | NAME | |
1050 | { | |
1051 | ldlex_script (); | |
1052 | lang_enter_overlay_section ($2); | |
1053 | } | |
1054 | '{' statement_list_opt '}' | |
1055 | { ldlex_popstate (); ldlex_expression (); } | |
1056 | phdr_opt fill_opt | |
1057 | { | |
1058 | ldlex_popstate (); | |
1059 | lang_leave_overlay_section ($9, $8); | |
1060 | } | |
1061 | opt_comma | |
1062 | ; | |
1063 | ||
1064 | phdrs: | |
1065 | PHDRS '{' phdr_list '}' | |
1066 | ; | |
1067 | ||
1068 | phdr_list: | |
1069 | /* empty */ | |
1070 | | phdr_list phdr | |
1071 | ; | |
1072 | ||
1073 | phdr: | |
1074 | NAME { ldlex_expression (); } | |
1075 | phdr_type phdr_qualifiers { ldlex_popstate (); } | |
1076 | ';' | |
1077 | { | |
1078 | lang_new_phdr ($1, $3, $4.filehdr, $4.phdrs, $4.at, | |
1079 | $4.flags); | |
1080 | } | |
1081 | ; | |
1082 | ||
1083 | phdr_type: | |
1084 | exp | |
1085 | { | |
1086 | $$ = $1; | |
1087 | ||
1088 | if ($1->type.node_class == etree_name | |
1089 | && $1->type.node_code == NAME) | |
1090 | { | |
1091 | const char *s; | |
1092 | unsigned int i; | |
1093 | static const char * const phdr_types[] = | |
1094 | { | |
1095 | "PT_NULL", "PT_LOAD", "PT_DYNAMIC", | |
1096 | "PT_INTERP", "PT_NOTE", "PT_SHLIB", | |
d038301c | 1097 | "PT_PHDR", "PT_TLS" |
252b5132 RH |
1098 | }; |
1099 | ||
1100 | s = $1->name.name; | |
1101 | for (i = 0; | |
1102 | i < sizeof phdr_types / sizeof phdr_types[0]; | |
1103 | i++) | |
1104 | if (strcmp (s, phdr_types[i]) == 0) | |
1105 | { | |
1106 | $$ = exp_intop (i); | |
1107 | break; | |
1108 | } | |
d038301c RM |
1109 | if (i == sizeof phdr_types / sizeof phdr_types[0]) |
1110 | { | |
1111 | if (strcmp (s, "PT_GNU_EH_FRAME") == 0) | |
1112 | $$ = exp_intop (0x6474e550); | |
9ee5e499 JJ |
1113 | else if (strcmp (s, "PT_GNU_STACK") == 0) |
1114 | $$ = exp_intop (0x6474e551); | |
d038301c RM |
1115 | else |
1116 | { | |
1117 | einfo (_("\ | |
1118 | %X%P:%S: unknown phdr type `%s' (try integer literal)\n"), | |
1119 | s); | |
1120 | $$ = exp_intop (0); | |
1121 | } | |
1122 | } | |
252b5132 RH |
1123 | } |
1124 | } | |
1125 | ; | |
1126 | ||
1127 | phdr_qualifiers: | |
1128 | /* empty */ | |
1129 | { | |
1130 | memset (&$$, 0, sizeof (struct phdr_info)); | |
1131 | } | |
1132 | | NAME phdr_val phdr_qualifiers | |
1133 | { | |
1134 | $$ = $3; | |
1135 | if (strcmp ($1, "FILEHDR") == 0 && $2 == NULL) | |
b34976b6 | 1136 | $$.filehdr = TRUE; |
252b5132 | 1137 | else if (strcmp ($1, "PHDRS") == 0 && $2 == NULL) |
b34976b6 | 1138 | $$.phdrs = TRUE; |
252b5132 RH |
1139 | else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL) |
1140 | $$.flags = $2; | |
1141 | else | |
1142 | einfo (_("%X%P:%S: PHDRS syntax error at `%s'\n"), $1); | |
1143 | } | |
1144 | | AT '(' exp ')' phdr_qualifiers | |
1145 | { | |
1146 | $$ = $5; | |
1147 | $$.at = $3; | |
1148 | } | |
1149 | ; | |
1150 | ||
1151 | phdr_val: | |
1152 | /* empty */ | |
1153 | { | |
1154 | $$ = NULL; | |
1155 | } | |
1156 | | '(' exp ')' | |
1157 | { | |
1158 | $$ = $2; | |
1159 | } | |
1160 | ; | |
1161 | ||
55255dae L |
1162 | dynamic_list_file: |
1163 | { | |
1164 | ldlex_version_file (); | |
1165 | PUSH_ERROR (_("dynamic list")); | |
1166 | } | |
1167 | dynamic_list_nodes | |
1168 | { | |
1169 | ldlex_popstate (); | |
1170 | POP_ERROR (); | |
1171 | } | |
1172 | ; | |
1173 | ||
1174 | dynamic_list_nodes: | |
1175 | dynamic_list_node | |
1176 | | dynamic_list_nodes dynamic_list_node | |
1177 | ; | |
1178 | ||
1179 | dynamic_list_node: | |
1180 | '{' dynamic_list_tag '}' ';' | |
1181 | ; | |
1182 | ||
1183 | dynamic_list_tag: | |
1184 | vers_defns ';' | |
1185 | { | |
1186 | lang_append_dynamic_list ($1); | |
1187 | } | |
1188 | ; | |
1189 | ||
252b5132 RH |
1190 | /* This syntax is used within an external version script file. */ |
1191 | ||
1192 | version_script_file: | |
1193 | { | |
1194 | ldlex_version_file (); | |
1195 | PUSH_ERROR (_("VERSION script")); | |
1196 | } | |
1197 | vers_nodes | |
1198 | { | |
1199 | ldlex_popstate (); | |
1200 | POP_ERROR (); | |
1201 | } | |
1202 | ; | |
1203 | ||
1204 | /* This is used within a normal linker script file. */ | |
1205 | ||
1206 | version: | |
1207 | { | |
1208 | ldlex_version_script (); | |
1209 | } | |
1210 | VERSIONK '{' vers_nodes '}' | |
1211 | { | |
1212 | ldlex_popstate (); | |
1213 | } | |
1214 | ; | |
1215 | ||
1216 | vers_nodes: | |
1217 | vers_node | |
1218 | | vers_nodes vers_node | |
1219 | ; | |
1220 | ||
1221 | vers_node: | |
6b9b879a JJ |
1222 | '{' vers_tag '}' ';' |
1223 | { | |
1224 | lang_register_vers_node (NULL, $2, NULL); | |
1225 | } | |
1226 | | VERS_TAG '{' vers_tag '}' ';' | |
252b5132 RH |
1227 | { |
1228 | lang_register_vers_node ($1, $3, NULL); | |
1229 | } | |
1230 | | VERS_TAG '{' vers_tag '}' verdep ';' | |
1231 | { | |
1232 | lang_register_vers_node ($1, $3, $5); | |
1233 | } | |
1234 | ; | |
1235 | ||
1236 | verdep: | |
1237 | VERS_TAG | |
1238 | { | |
1239 | $$ = lang_add_vers_depend (NULL, $1); | |
1240 | } | |
1241 | | verdep VERS_TAG | |
1242 | { | |
1243 | $$ = lang_add_vers_depend ($1, $2); | |
1244 | } | |
1245 | ; | |
1246 | ||
1247 | vers_tag: | |
1248 | /* empty */ | |
1249 | { | |
1250 | $$ = lang_new_vers_node (NULL, NULL); | |
1251 | } | |
1252 | | vers_defns ';' | |
1253 | { | |
1254 | $$ = lang_new_vers_node ($1, NULL); | |
1255 | } | |
1256 | | GLOBAL ':' vers_defns ';' | |
1257 | { | |
1258 | $$ = lang_new_vers_node ($3, NULL); | |
1259 | } | |
1260 | | LOCAL ':' vers_defns ';' | |
1261 | { | |
1262 | $$ = lang_new_vers_node (NULL, $3); | |
1263 | } | |
1264 | | GLOBAL ':' vers_defns ';' LOCAL ':' vers_defns ';' | |
1265 | { | |
1266 | $$ = lang_new_vers_node ($3, $7); | |
1267 | } | |
1268 | ; | |
1269 | ||
1270 | vers_defns: | |
1271 | VERS_IDENTIFIER | |
1272 | { | |
86043bbb MM |
1273 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, FALSE); |
1274 | } | |
1275 | | NAME | |
1276 | { | |
1277 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, TRUE); | |
252b5132 RH |
1278 | } |
1279 | | vers_defns ';' VERS_IDENTIFIER | |
1280 | { | |
86043bbb MM |
1281 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, FALSE); |
1282 | } | |
1283 | | vers_defns ';' NAME | |
1284 | { | |
1285 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, TRUE); | |
252b5132 | 1286 | } |
8e23b15d AM |
1287 | | vers_defns ';' EXTERN NAME '{' |
1288 | { | |
1289 | $<name>$ = ldgram_vers_current_lang; | |
1290 | ldgram_vers_current_lang = $4; | |
1291 | } | |
1292 | vers_defns opt_semicolon '}' | |
1293 | { | |
96f8ade5 JJ |
1294 | struct bfd_elf_version_expr *pat; |
1295 | for (pat = $7; pat->next != NULL; pat = pat->next); | |
1296 | pat->next = $1; | |
8e23b15d AM |
1297 | $$ = $7; |
1298 | ldgram_vers_current_lang = $<name>6; | |
1299 | } | |
252b5132 RH |
1300 | | EXTERN NAME '{' |
1301 | { | |
1302 | $<name>$ = ldgram_vers_current_lang; | |
1303 | ldgram_vers_current_lang = $2; | |
1304 | } | |
8e23b15d | 1305 | vers_defns opt_semicolon '}' |
252b5132 | 1306 | { |
e06cae36 | 1307 | $$ = $5; |
252b5132 RH |
1308 | ldgram_vers_current_lang = $<name>4; |
1309 | } | |
96f8ade5 JJ |
1310 | | GLOBAL |
1311 | { | |
86043bbb | 1312 | $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1313 | } |
1314 | | vers_defns ';' GLOBAL | |
1315 | { | |
86043bbb | 1316 | $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1317 | } |
1318 | | LOCAL | |
1319 | { | |
86043bbb | 1320 | $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1321 | } |
1322 | | vers_defns ';' LOCAL | |
1323 | { | |
86043bbb | 1324 | $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1325 | } |
1326 | | EXTERN | |
1327 | { | |
86043bbb | 1328 | $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1329 | } |
1330 | | vers_defns ';' EXTERN | |
1331 | { | |
86043bbb | 1332 | $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang, FALSE); |
96f8ade5 | 1333 | } |
252b5132 RH |
1334 | ; |
1335 | ||
8e23b15d AM |
1336 | opt_semicolon: |
1337 | /* empty */ | |
1338 | | ';' | |
1339 | ; | |
1340 | ||
252b5132 RH |
1341 | %% |
1342 | void | |
d038301c | 1343 | yyerror(arg) |
252b5132 | 1344 | const char *arg; |
d038301c | 1345 | { |
252b5132 RH |
1346 | if (ldfile_assumed_script) |
1347 | einfo (_("%P:%s: file format not recognized; treating as linker script\n"), | |
1348 | ldfile_input_filename); | |
1349 | if (error_index > 0 && error_index < ERROR_NAME_MAX) | |
1350 | einfo ("%P%F:%S: %s in %s\n", arg, error_names[error_index-1]); | |
1351 | else | |
1352 | einfo ("%P%F:%S: %s\n", arg); | |
1353 | } |