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, | |
aa820537 AM |
3 | 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
4 | Free Software Foundation, Inc. | |
252b5132 RH |
5 | Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com). |
6 | ||
f96b4a7b | 7 | This file is part of the GNU Binutils. |
252b5132 | 8 | |
3ec57632 NC |
9 | This program is free software; you can redistribute it and/or modify |
10 | it under the terms of the GNU General Public License as published by | |
f96b4a7b | 11 | the Free Software Foundation; either version 3 of the License, or |
3ec57632 | 12 | (at your option) any later version. |
252b5132 | 13 | |
3ec57632 NC |
14 | This program is distributed in the hope that it will be useful, |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
252b5132 | 18 | |
3ec57632 NC |
19 | You should have received a copy of the GNU General Public License |
20 | along with this program; if not, write to the Free Software | |
f96b4a7b NC |
21 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
22 | MA 02110-1301, USA. */ | |
252b5132 RH |
23 | |
24 | %{ | |
25 | /* | |
26 | ||
27 | */ | |
28 | ||
29 | #define DONTDECLARE_MALLOC | |
30 | ||
252b5132 | 31 | #include "sysdep.h" |
3db64b00 | 32 | #include "bfd.h" |
252b5132 | 33 | #include "bfdlink.h" |
d038301c | 34 | #include "ld.h" |
252b5132 RH |
35 | #include "ldexp.h" |
36 | #include "ldver.h" | |
37 | #include "ldlang.h" | |
252b5132 | 38 | #include "ldfile.h" |
b71e2778 | 39 | #include "ldemul.h" |
252b5132 RH |
40 | #include "ldmisc.h" |
41 | #include "ldmain.h" | |
42 | #include "mri.h" | |
43 | #include "ldctor.h" | |
44 | #include "ldlex.h" | |
45 | ||
46 | #ifndef YYDEBUG | |
47 | #define YYDEBUG 1 | |
48 | #endif | |
49 | ||
50 | static enum section_type sectype; | |
279e75dc | 51 | static lang_memory_region_type *region; |
252b5132 | 52 | |
b34976b6 | 53 | bfd_boolean ldgram_had_keep = FALSE; |
252b5132 RH |
54 | char *ldgram_vers_current_lang = NULL; |
55 | ||
56 | #define ERROR_NAME_MAX 20 | |
57 | static char *error_names[ERROR_NAME_MAX]; | |
58 | static int error_index; | |
59 | #define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++; | |
60 | #define POP_ERROR() error_index--; | |
61 | %} | |
62 | %union { | |
63 | bfd_vma integer; | |
2c382fb6 AM |
64 | struct big_int |
65 | { | |
66 | bfd_vma integer; | |
67 | char *str; | |
68 | } bigint; | |
69 | fill_type *fill; | |
252b5132 RH |
70 | char *name; |
71 | const char *cname; | |
72 | struct wildcard_spec wildcard; | |
b6bf44ba | 73 | struct wildcard_list *wildcard_list; |
18625d54 | 74 | struct name_list *name_list; |
252b5132 RH |
75 | int token; |
76 | union etree_union *etree; | |
77 | struct phdr_info | |
78 | { | |
b34976b6 AM |
79 | bfd_boolean filehdr; |
80 | bfd_boolean phdrs; | |
252b5132 RH |
81 | union etree_union *at; |
82 | union etree_union *flags; | |
83 | } phdr; | |
84 | struct lang_nocrossref *nocrossref; | |
85 | struct lang_output_section_phdr_list *section_phdr; | |
86 | struct bfd_elf_version_deps *deflist; | |
87 | struct bfd_elf_version_expr *versyms; | |
88 | struct bfd_elf_version_tree *versnode; | |
89 | } | |
90 | ||
91 | %type <etree> exp opt_exp_with_type mustbe_exp opt_at phdr_type phdr_val | |
bbf115d3 | 92 | %type <etree> opt_exp_without_type opt_subalign opt_align |
2c382fb6 | 93 | %type <fill> fill_opt fill_exp |
18625d54 | 94 | %type <name_list> exclude_name_list |
b6bf44ba | 95 | %type <wildcard_list> file_NAME_list |
252b5132 | 96 | %type <name> memspec_opt casesymlist |
562d3460 | 97 | %type <name> memspec_at_opt |
252b5132 RH |
98 | %type <cname> wildcard_name |
99 | %type <wildcard> wildcard_spec | |
d038301c | 100 | %token <bigint> INT |
252b5132 RH |
101 | %token <name> NAME LNAME |
102 | %type <integer> length | |
103 | %type <phdr> phdr_qualifiers | |
104 | %type <nocrossref> nocrossref_list | |
105 | %type <section_phdr> phdr_opt | |
106 | %type <integer> opt_nocrossrefs | |
107 | ||
d038301c | 108 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ |
252b5132 RH |
109 | %right <token> '?' ':' |
110 | %left <token> OROR | |
111 | %left <token> ANDAND | |
112 | %left <token> '|' | |
113 | %left <token> '^' | |
114 | %left <token> '&' | |
115 | %left <token> EQ NE | |
116 | %left <token> '<' '>' LE GE | |
117 | %left <token> LSHIFT RSHIFT | |
118 | ||
119 | %left <token> '+' '-' | |
120 | %left <token> '*' '/' '%' | |
121 | ||
122 | %right UNARY | |
d038301c | 123 | %token END |
252b5132 RH |
124 | %left <token> '(' |
125 | %token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE | |
53d25da6 AM |
126 | %token SECTIONS PHDRS INSERT_K AFTER BEFORE |
127 | %token DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END | |
bcaa7b3e | 128 | %token SORT_BY_NAME SORT_BY_ALIGNMENT |
02ecc8e9 | 129 | %token SORT_BY_INIT_PRIORITY |
252b5132 RH |
130 | %token '{' '}' |
131 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH | |
4818e05f | 132 | %token INHIBIT_COMMON_ALLOCATION |
ba916c8a | 133 | %token SEGMENT_START |
252b5132 | 134 | %token INCLUDE |
ed9ef263 | 135 | %token MEMORY |
4a93e180 | 136 | %token REGION_ALIAS |
252b5132 | 137 | %token NOLOAD DSECT COPY INFO OVERLAY |
ed9ef263 | 138 | %token DEFINED TARGET_K SEARCH_DIR MAP ENTRY |
252b5132 | 139 | %token <integer> NEXT |
5d41b3ef | 140 | %token SIZEOF ALIGNOF ADDR LOADADDR MAX_K MIN_K |
252b5132 RH |
141 | %token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS |
142 | %token ORIGIN FILL | |
143 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS | |
7af8e998 | 144 | %token ALIGNMOD AT SUBALIGN PROVIDE PROVIDE_HIDDEN AS_NEEDED |
0841712e | 145 | %type <token> assign_op atype attributes_opt sect_constraint |
252b5132 RH |
146 | %type <name> filename |
147 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K | |
148 | %token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL | |
149 | %token INPUT_SCRIPT INPUT_MRI_SCRIPT INPUT_DEFSYM CASE EXTERN START | |
150 | %token <name> VERS_TAG VERS_IDENTIFIER | |
151 | %token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT | |
0cf7d72c | 152 | %token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL |
252b5132 | 153 | %token EXCLUDE_FILE |
24718e3b | 154 | %token CONSTANT |
252b5132 RH |
155 | %type <versyms> vers_defns |
156 | %type <versnode> vers_tag | |
157 | %type <deflist> verdep | |
55255dae | 158 | %token INPUT_DYNAMIC_LIST |
252b5132 RH |
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 | |
55255dae | 166 | | INPUT_DYNAMIC_LIST dynamic_list_file |
252b5132 RH |
167 | | INPUT_DEFSYM defsym_expr |
168 | ; | |
169 | ||
170 | ||
171 | filename: NAME; | |
172 | ||
173 | ||
174 | defsym_expr: | |
175 | { ldlex_defsym(); } | |
176 | NAME '=' exp | |
177 | { | |
178 | ldlex_popstate(); | |
179 | lang_add_assignment(exp_assop($3,$2,$4)); | |
180 | } | |
944cd72c | 181 | ; |
252b5132 | 182 | |
d038301c | 183 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
252b5132 RH |
184 | mri_script_file: |
185 | { | |
186 | ldlex_mri_script (); | |
187 | PUSH_ERROR (_("MRI style script")); | |
188 | } | |
189 | mri_script_lines | |
190 | { | |
191 | ldlex_popstate (); | |
192 | mri_draw_tree (); | |
193 | POP_ERROR (); | |
194 | } | |
195 | ; | |
196 | ||
197 | mri_script_lines: | |
198 | mri_script_lines mri_script_command NEWLINE | |
199 | | | |
200 | ; | |
201 | ||
202 | mri_script_command: | |
d038301c | 203 | CHIP exp |
252b5132 RH |
204 | | CHIP exp ',' exp |
205 | | NAME { | |
206 | einfo(_("%P%F: unrecognised keyword in MRI style script '%s'\n"),$1); | |
207 | } | |
208 | | LIST { | |
209 | config.map_filename = "-"; | |
210 | } | |
211 | | ORDER ordernamelist | |
d038301c | 212 | | ENDWORD |
252b5132 RH |
213 | | PUBLIC NAME '=' exp |
214 | { mri_public($2, $4); } | |
215 | | PUBLIC NAME ',' exp | |
216 | { mri_public($2, $4); } | |
d038301c | 217 | | PUBLIC NAME exp |
252b5132 RH |
218 | { mri_public($2, $3); } |
219 | | FORMAT NAME | |
220 | { mri_format($2); } | |
221 | | SECT NAME ',' exp | |
222 | { mri_output_section($2, $4);} | |
223 | | SECT NAME exp | |
224 | { mri_output_section($2, $3);} | |
225 | | SECT NAME '=' exp | |
226 | { mri_output_section($2, $4);} | |
227 | | ALIGN_K NAME '=' exp | |
228 | { mri_align($2,$4); } | |
229 | | ALIGN_K NAME ',' exp | |
230 | { mri_align($2,$4); } | |
231 | | ALIGNMOD NAME '=' exp | |
232 | { mri_alignmod($2,$4); } | |
233 | | ALIGNMOD NAME ',' exp | |
234 | { mri_alignmod($2,$4); } | |
235 | | ABSOLUTE mri_abs_name_list | |
236 | | LOAD mri_load_name_list | |
d038301c RM |
237 | | NAMEWORD NAME |
238 | { mri_name($2); } | |
252b5132 RH |
239 | | ALIAS NAME ',' NAME |
240 | { mri_alias($2,$4,0);} | |
241 | | ALIAS NAME ',' INT | |
2c382fb6 | 242 | { mri_alias ($2, 0, (int) $4.integer); } |
252b5132 RH |
243 | | BASE exp |
244 | { mri_base($2); } | |
2c382fb6 AM |
245 | | TRUNCATE INT |
246 | { mri_truncate ((unsigned int) $2.integer); } | |
252b5132 RH |
247 | | CASE casesymlist |
248 | | EXTERN extern_name_list | |
249 | | INCLUDE filename | |
b47c4208 AM |
250 | { ldlex_script (); ldfile_open_command_file($2); } |
251 | mri_script_lines END | |
252 | { ldlex_popstate (); } | |
252b5132 | 253 | | START NAME |
b34976b6 | 254 | { lang_add_entry ($2, FALSE); } |
252b5132 RH |
255 | | |
256 | ; | |
257 | ||
258 | ordernamelist: | |
259 | ordernamelist ',' NAME { mri_order($3); } | |
260 | | ordernamelist NAME { mri_order($2); } | |
261 | | | |
262 | ; | |
263 | ||
264 | mri_load_name_list: | |
265 | NAME | |
266 | { mri_load($1); } | |
267 | | mri_load_name_list ',' NAME { mri_load($3); } | |
268 | ; | |
269 | ||
270 | mri_abs_name_list: | |
271 | NAME | |
272 | { mri_only_load($1); } | |
273 | | mri_abs_name_list ',' NAME | |
274 | { mri_only_load($3); } | |
275 | ; | |
276 | ||
277 | casesymlist: | |
278 | /* empty */ { $$ = NULL; } | |
279 | | NAME | |
280 | | casesymlist ',' NAME | |
281 | ; | |
282 | ||
8545d1a9 | 283 | /* Parsed as expressions so that commas separate entries */ |
252b5132 | 284 | extern_name_list: |
8545d1a9 NS |
285 | { ldlex_expression (); } |
286 | extern_name_list_body | |
287 | { ldlex_popstate (); } | |
288 | ||
289 | extern_name_list_body: | |
252b5132 | 290 | NAME |
24898b70 | 291 | { ldlang_add_undef ($1, FALSE); } |
8545d1a9 | 292 | | extern_name_list_body NAME |
24898b70 | 293 | { ldlang_add_undef ($2, FALSE); } |
8545d1a9 | 294 | | extern_name_list_body ',' NAME |
24898b70 | 295 | { ldlang_add_undef ($3, FALSE); } |
252b5132 RH |
296 | ; |
297 | ||
298 | script_file: | |
8545d1a9 NS |
299 | { ldlex_both(); } |
300 | ifile_list | |
301 | { ldlex_popstate(); } | |
252b5132 RH |
302 | ; |
303 | ||
252b5132 | 304 | ifile_list: |
8545d1a9 | 305 | ifile_list ifile_p1 |
252b5132 RH |
306 | | |
307 | ; | |
308 | ||
309 | ||
252b5132 RH |
310 | ifile_p1: |
311 | memory | |
312 | | sections | |
313 | | phdrs | |
314 | | startup | |
315 | | high_level_library | |
316 | | low_level_library | |
317 | | floating_point_support | |
318 | | statement_anywhere | |
319 | | version | |
320 | | ';' | |
321 | | TARGET_K '(' NAME ')' | |
322 | { lang_add_target($3); } | |
323 | | SEARCH_DIR '(' filename ')' | |
b34976b6 | 324 | { ldfile_add_library_path ($3, FALSE); } |
252b5132 RH |
325 | | OUTPUT '(' filename ')' |
326 | { lang_add_output($3, 1); } | |
327 | | OUTPUT_FORMAT '(' NAME ')' | |
328 | { lang_add_output_format ($3, (char *) NULL, | |
329 | (char *) NULL, 1); } | |
330 | | OUTPUT_FORMAT '(' NAME ',' NAME ',' NAME ')' | |
331 | { lang_add_output_format ($3, $5, $7, 1); } | |
332 | | OUTPUT_ARCH '(' NAME ')' | |
5e2f1575 | 333 | { ldfile_set_output_arch ($3, bfd_arch_unknown); } |
252b5132 | 334 | | FORCE_COMMON_ALLOCATION |
b34976b6 | 335 | { command_line.force_common_definition = TRUE ; } |
4818e05f | 336 | | INHIBIT_COMMON_ALLOCATION |
b34976b6 | 337 | { command_line.inhibit_common_definition = TRUE ; } |
252b5132 RH |
338 | | INPUT '(' input_list ')' |
339 | | GROUP | |
340 | { lang_enter_group (); } | |
341 | '(' input_list ')' | |
342 | { lang_leave_group (); } | |
343 | | MAP '(' filename ')' | |
344 | { lang_add_map($3); } | |
d038301c | 345 | | INCLUDE filename |
b47c4208 AM |
346 | { ldlex_script (); ldfile_open_command_file($2); } |
347 | ifile_list END | |
348 | { ldlex_popstate (); } | |
252b5132 RH |
349 | | NOCROSSREFS '(' nocrossref_list ')' |
350 | { | |
351 | lang_add_nocrossref ($3); | |
352 | } | |
353 | | EXTERN '(' extern_name_list ')' | |
53d25da6 AM |
354 | | INSERT_K AFTER NAME |
355 | { lang_add_insert ($3, 0); } | |
356 | | INSERT_K BEFORE NAME | |
357 | { lang_add_insert ($3, 1); } | |
4a93e180 NC |
358 | | REGION_ALIAS '(' NAME ',' NAME ')' |
359 | { lang_memory_region_alias ($3, $5); } | |
252b5132 RH |
360 | ; |
361 | ||
362 | input_list: | |
363 | NAME | |
364 | { lang_add_input_file($1,lang_input_file_is_search_file_enum, | |
365 | (char *)NULL); } | |
366 | | input_list ',' NAME | |
367 | { lang_add_input_file($3,lang_input_file_is_search_file_enum, | |
368 | (char *)NULL); } | |
369 | | input_list NAME | |
370 | { lang_add_input_file($2,lang_input_file_is_search_file_enum, | |
371 | (char *)NULL); } | |
372 | | LNAME | |
373 | { lang_add_input_file($1,lang_input_file_is_l_enum, | |
374 | (char *)NULL); } | |
375 | | input_list ',' LNAME | |
376 | { lang_add_input_file($3,lang_input_file_is_l_enum, | |
377 | (char *)NULL); } | |
378 | | input_list LNAME | |
379 | { lang_add_input_file($2,lang_input_file_is_l_enum, | |
380 | (char *)NULL); } | |
b717d30e | 381 | | AS_NEEDED '(' |
ddbb8a31 | 382 | { $<integer>$ = add_DT_NEEDED_for_regular; add_DT_NEEDED_for_regular = TRUE; } |
b717d30e | 383 | input_list ')' |
ddbb8a31 | 384 | { add_DT_NEEDED_for_regular = $<integer>3; } |
b717d30e | 385 | | input_list ',' AS_NEEDED '(' |
ddbb8a31 | 386 | { $<integer>$ = add_DT_NEEDED_for_regular; add_DT_NEEDED_for_regular = TRUE; } |
b717d30e | 387 | input_list ')' |
ddbb8a31 | 388 | { add_DT_NEEDED_for_regular = $<integer>5; } |
b717d30e | 389 | | input_list AS_NEEDED '(' |
ddbb8a31 | 390 | { $<integer>$ = add_DT_NEEDED_for_regular; add_DT_NEEDED_for_regular = TRUE; } |
b717d30e | 391 | input_list ')' |
ddbb8a31 | 392 | { add_DT_NEEDED_for_regular = $<integer>4; } |
252b5132 RH |
393 | ; |
394 | ||
395 | sections: | |
396 | SECTIONS '{' sec_or_group_p1 '}' | |
397 | ; | |
398 | ||
399 | sec_or_group_p1: | |
400 | sec_or_group_p1 section | |
401 | | sec_or_group_p1 statement_anywhere | |
402 | | | |
403 | ; | |
404 | ||
405 | statement_anywhere: | |
406 | ENTRY '(' NAME ')' | |
b34976b6 | 407 | { lang_add_entry ($3, FALSE); } |
252b5132 | 408 | | assignment end |
b6ca8815 NS |
409 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' |
410 | { ldlex_popstate (); | |
411 | lang_add_assignment (exp_assert ($4, $6)); } | |
252b5132 RH |
412 | ; |
413 | ||
414 | /* The '*' and '?' cases are there because the lexer returns them as | |
415 | separate tokens rather than as NAME. */ | |
416 | wildcard_name: | |
417 | NAME | |
418 | { | |
419 | $$ = $1; | |
420 | } | |
421 | | '*' | |
422 | { | |
423 | $$ = "*"; | |
424 | } | |
425 | | '?' | |
426 | { | |
427 | $$ = "?"; | |
428 | } | |
429 | ; | |
430 | ||
431 | wildcard_spec: | |
432 | wildcard_name | |
433 | { | |
434 | $$.name = $1; | |
bcaa7b3e | 435 | $$.sorted = none; |
18625d54 | 436 | $$.exclude_name_list = NULL; |
252b5132 | 437 | } |
18625d54 | 438 | | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name |
252b5132 RH |
439 | { |
440 | $$.name = $5; | |
bcaa7b3e | 441 | $$.sorted = none; |
18625d54 | 442 | $$.exclude_name_list = $3; |
252b5132 | 443 | } |
bcaa7b3e | 444 | | SORT_BY_NAME '(' wildcard_name ')' |
252b5132 RH |
445 | { |
446 | $$.name = $3; | |
bcaa7b3e | 447 | $$.sorted = by_name; |
18625d54 | 448 | $$.exclude_name_list = NULL; |
252b5132 | 449 | } |
bcaa7b3e L |
450 | | SORT_BY_ALIGNMENT '(' wildcard_name ')' |
451 | { | |
452 | $$.name = $3; | |
453 | $$.sorted = by_alignment; | |
454 | $$.exclude_name_list = NULL; | |
455 | } | |
456 | | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')' | |
457 | { | |
458 | $$.name = $5; | |
459 | $$.sorted = by_name_alignment; | |
460 | $$.exclude_name_list = NULL; | |
461 | } | |
462 | | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_name ')' ')' | |
463 | { | |
464 | $$.name = $5; | |
465 | $$.sorted = by_name; | |
466 | $$.exclude_name_list = NULL; | |
467 | } | |
468 | | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_name ')' ')' | |
469 | { | |
470 | $$.name = $5; | |
471 | $$.sorted = by_alignment_name; | |
472 | $$.exclude_name_list = NULL; | |
473 | } | |
474 | | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')' | |
475 | { | |
476 | $$.name = $5; | |
477 | $$.sorted = by_alignment; | |
478 | $$.exclude_name_list = NULL; | |
479 | } | |
480 | | SORT_BY_NAME '(' EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name ')' | |
252b5132 RH |
481 | { |
482 | $$.name = $7; | |
bcaa7b3e | 483 | $$.sorted = by_name; |
18625d54 | 484 | $$.exclude_name_list = $5; |
252b5132 | 485 | } |
02ecc8e9 L |
486 | | SORT_BY_INIT_PRIORITY '(' wildcard_name ')' |
487 | { | |
488 | $$.name = $3; | |
489 | $$.sorted = by_init_priority; | |
490 | $$.exclude_name_list = NULL; | |
491 | } | |
252b5132 RH |
492 | ; |
493 | ||
18625d54 | 494 | exclude_name_list: |
765b7cbe | 495 | exclude_name_list wildcard_name |
18625d54 CM |
496 | { |
497 | struct name_list *tmp; | |
498 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
765b7cbe | 499 | tmp->name = $2; |
18625d54 | 500 | tmp->next = $1; |
d038301c | 501 | $$ = tmp; |
18625d54 CM |
502 | } |
503 | | | |
504 | wildcard_name | |
505 | { | |
506 | struct name_list *tmp; | |
507 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
508 | tmp->name = $1; | |
509 | tmp->next = NULL; | |
510 | $$ = tmp; | |
511 | } | |
512 | ; | |
513 | ||
252b5132 | 514 | file_NAME_list: |
b6bf44ba | 515 | file_NAME_list opt_comma wildcard_spec |
252b5132 | 516 | { |
b6bf44ba AM |
517 | struct wildcard_list *tmp; |
518 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
519 | tmp->next = $1; | |
520 | tmp->spec = $3; | |
521 | $$ = tmp; | |
252b5132 | 522 | } |
b6bf44ba AM |
523 | | |
524 | wildcard_spec | |
252b5132 | 525 | { |
b6bf44ba AM |
526 | struct wildcard_list *tmp; |
527 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
528 | tmp->next = NULL; | |
529 | tmp->spec = $1; | |
530 | $$ = tmp; | |
252b5132 RH |
531 | } |
532 | ; | |
533 | ||
534 | input_section_spec_no_keep: | |
535 | NAME | |
536 | { | |
b6bf44ba AM |
537 | struct wildcard_spec tmp; |
538 | tmp.name = $1; | |
539 | tmp.exclude_name_list = NULL; | |
bcaa7b3e | 540 | tmp.sorted = none; |
b6bf44ba | 541 | lang_add_wild (&tmp, NULL, ldgram_had_keep); |
252b5132 | 542 | } |
b6bf44ba | 543 | | '[' file_NAME_list ']' |
252b5132 | 544 | { |
b6bf44ba | 545 | lang_add_wild (NULL, $2, ldgram_had_keep); |
252b5132 | 546 | } |
b6bf44ba | 547 | | wildcard_spec '(' file_NAME_list ')' |
252b5132 | 548 | { |
b6bf44ba | 549 | lang_add_wild (&$1, $3, ldgram_had_keep); |
252b5132 | 550 | } |
252b5132 RH |
551 | ; |
552 | ||
553 | input_section_spec: | |
554 | input_section_spec_no_keep | |
555 | | KEEP '(' | |
b34976b6 | 556 | { ldgram_had_keep = TRUE; } |
252b5132 | 557 | input_section_spec_no_keep ')' |
b34976b6 | 558 | { ldgram_had_keep = FALSE; } |
252b5132 RH |
559 | ; |
560 | ||
561 | statement: | |
562 | assignment end | |
563 | | CREATE_OBJECT_SYMBOLS | |
564 | { | |
d038301c | 565 | lang_add_attribute(lang_object_symbols_statement_enum); |
252b5132 RH |
566 | } |
567 | | ';' | |
568 | | CONSTRUCTORS | |
569 | { | |
d038301c RM |
570 | |
571 | lang_add_attribute(lang_constructors_statement_enum); | |
252b5132 | 572 | } |
bcaa7b3e | 573 | | SORT_BY_NAME '(' CONSTRUCTORS ')' |
252b5132 | 574 | { |
b34976b6 | 575 | constructors_sorted = TRUE; |
252b5132 RH |
576 | lang_add_attribute (lang_constructors_statement_enum); |
577 | } | |
578 | | input_section_spec | |
579 | | length '(' mustbe_exp ')' | |
580 | { | |
2c382fb6 | 581 | lang_add_data ((int) $1, $3); |
252b5132 | 582 | } |
d038301c | 583 | |
2c382fb6 | 584 | | FILL '(' fill_exp ')' |
252b5132 | 585 | { |
2c382fb6 | 586 | lang_add_fill ($3); |
252b5132 | 587 | } |
8545d1a9 NS |
588 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' end |
589 | { ldlex_popstate (); | |
590 | lang_add_assignment (exp_assert ($4, $6)); } | |
4006703d NS |
591 | | INCLUDE filename |
592 | { ldlex_script (); ldfile_open_command_file($2); } | |
593 | statement_list_opt END | |
594 | { ldlex_popstate (); } | |
252b5132 RH |
595 | ; |
596 | ||
597 | statement_list: | |
598 | statement_list statement | |
599 | | statement | |
600 | ; | |
d038301c | 601 | |
252b5132 RH |
602 | statement_list_opt: |
603 | /* empty */ | |
604 | | statement_list | |
605 | ; | |
606 | ||
607 | length: | |
608 | QUAD | |
609 | { $$ = $1; } | |
610 | | SQUAD | |
611 | { $$ = $1; } | |
612 | | LONG | |
613 | { $$ = $1; } | |
614 | | SHORT | |
615 | { $$ = $1; } | |
616 | | BYTE | |
617 | { $$ = $1; } | |
618 | ; | |
619 | ||
2c382fb6 AM |
620 | fill_exp: |
621 | mustbe_exp | |
252b5132 | 622 | { |
e9ee469a | 623 | $$ = exp_get_fill ($1, 0, "fill value"); |
252b5132 | 624 | } |
252b5132 RH |
625 | ; |
626 | ||
2c382fb6 AM |
627 | fill_opt: |
628 | '=' fill_exp | |
629 | { $$ = $2; } | |
630 | | { $$ = (fill_type *) 0; } | |
631 | ; | |
252b5132 RH |
632 | |
633 | assign_op: | |
634 | PLUSEQ | |
635 | { $$ = '+'; } | |
636 | | MINUSEQ | |
637 | { $$ = '-'; } | |
638 | | MULTEQ | |
639 | { $$ = '*'; } | |
640 | | DIVEQ | |
641 | { $$ = '/'; } | |
642 | | LSHIFTEQ | |
643 | { $$ = LSHIFT; } | |
644 | | RSHIFTEQ | |
645 | { $$ = RSHIFT; } | |
646 | | ANDEQ | |
647 | { $$ = '&'; } | |
648 | | OREQ | |
649 | { $$ = '|'; } | |
650 | ||
651 | ; | |
652 | ||
653 | end: ';' | ',' | |
654 | ; | |
655 | ||
656 | ||
657 | assignment: | |
658 | NAME '=' mustbe_exp | |
659 | { | |
660 | lang_add_assignment (exp_assop ($2, $1, $3)); | |
661 | } | |
662 | | NAME assign_op mustbe_exp | |
663 | { | |
664 | lang_add_assignment (exp_assop ('=', $1, | |
665 | exp_binop ($2, | |
666 | exp_nameop (NAME, | |
667 | $1), | |
668 | $3))); | |
669 | } | |
670 | | PROVIDE '(' NAME '=' mustbe_exp ')' | |
671 | { | |
7af8e998 L |
672 | lang_add_assignment (exp_provide ($3, $5, FALSE)); |
673 | } | |
674 | | PROVIDE_HIDDEN '(' NAME '=' mustbe_exp ')' | |
675 | { | |
676 | lang_add_assignment (exp_provide ($3, $5, TRUE)); | |
252b5132 RH |
677 | } |
678 | ; | |
679 | ||
680 | ||
681 | opt_comma: | |
682 | ',' | ; | |
683 | ||
684 | ||
685 | memory: | |
4006703d | 686 | MEMORY '{' memory_spec_list_opt '}' |
252b5132 RH |
687 | ; |
688 | ||
4006703d NS |
689 | memory_spec_list_opt: memory_spec_list | ; |
690 | ||
252b5132 | 691 | memory_spec_list: |
4006703d NS |
692 | memory_spec_list opt_comma memory_spec |
693 | | memory_spec | |
252b5132 RH |
694 | ; |
695 | ||
696 | ||
2d801b0f | 697 | memory_spec: NAME |
a747ee4d | 698 | { region = lang_memory_region_lookup ($1, TRUE); } |
252b5132 RH |
699 | attributes_opt ':' |
700 | origin_spec opt_comma length_spec | |
2d801b0f | 701 | {} |
4006703d NS |
702 | | INCLUDE filename |
703 | { ldlex_script (); ldfile_open_command_file($2); } | |
704 | memory_spec_list_opt END | |
705 | { ldlex_popstate (); } | |
74459f0e TW |
706 | ; |
707 | ||
708 | origin_spec: | |
252b5132 | 709 | ORIGIN '=' mustbe_exp |
e9ee469a AM |
710 | { |
711 | region->origin = exp_get_vma ($3, 0, "origin"); | |
712 | region->current = region->origin; | |
713 | } | |
252b5132 RH |
714 | ; |
715 | ||
716 | length_spec: | |
717 | LENGTH '=' mustbe_exp | |
e9ee469a AM |
718 | { |
719 | region->length = exp_get_vma ($3, -1, "length"); | |
252b5132 | 720 | } |
aa8804e4 | 721 | ; |
252b5132 RH |
722 | |
723 | attributes_opt: | |
aa8804e4 ILT |
724 | /* empty */ |
725 | { /* dummy action to avoid bison 1.25 error message */ } | |
726 | | '(' attributes_list ')' | |
727 | ; | |
728 | ||
729 | attributes_list: | |
730 | attributes_string | |
731 | | attributes_list attributes_string | |
732 | ; | |
733 | ||
734 | attributes_string: | |
735 | NAME | |
736 | { lang_set_flags (region, $1, 0); } | |
737 | | '!' NAME | |
738 | { lang_set_flags (region, $2, 1); } | |
252b5132 RH |
739 | ; |
740 | ||
741 | startup: | |
742 | STARTUP '(' filename ')' | |
743 | { lang_startup($3); } | |
744 | ; | |
745 | ||
746 | high_level_library: | |
747 | HLL '(' high_level_library_NAME_list ')' | |
748 | | HLL '(' ')' | |
749 | { ldemul_hll((char *)NULL); } | |
750 | ; | |
751 | ||
752 | high_level_library_NAME_list: | |
753 | high_level_library_NAME_list opt_comma filename | |
754 | { ldemul_hll($3); } | |
755 | | filename | |
756 | { ldemul_hll($1); } | |
757 | ||
758 | ; | |
759 | ||
760 | low_level_library: | |
761 | SYSLIB '(' low_level_library_NAME_list ')' | |
762 | ; low_level_library_NAME_list: | |
763 | low_level_library_NAME_list opt_comma filename | |
764 | { ldemul_syslib($3); } | |
765 | | | |
766 | ; | |
767 | ||
768 | floating_point_support: | |
769 | FLOAT | |
b34976b6 | 770 | { lang_float(TRUE); } |
252b5132 | 771 | | NOFLOAT |
b34976b6 | 772 | { lang_float(FALSE); } |
252b5132 | 773 | ; |
d038301c | 774 | |
252b5132 RH |
775 | nocrossref_list: |
776 | /* empty */ | |
777 | { | |
778 | $$ = NULL; | |
779 | } | |
780 | | NAME nocrossref_list | |
781 | { | |
782 | struct lang_nocrossref *n; | |
783 | ||
784 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
785 | n->name = $1; | |
786 | n->next = $2; | |
787 | $$ = n; | |
788 | } | |
789 | | NAME ',' nocrossref_list | |
790 | { | |
791 | struct lang_nocrossref *n; | |
792 | ||
793 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
794 | n->name = $1; | |
795 | n->next = $3; | |
796 | $$ = n; | |
797 | } | |
798 | ; | |
799 | ||
3ec57632 | 800 | mustbe_exp: { ldlex_expression (); } |
252b5132 | 801 | exp |
3ec57632 | 802 | { ldlex_popstate (); $$=$2;} |
252b5132 RH |
803 | ; |
804 | ||
805 | exp : | |
806 | '-' exp %prec UNARY | |
3ec57632 | 807 | { $$ = exp_unop ('-', $2); } |
252b5132 RH |
808 | | '(' exp ')' |
809 | { $$ = $2; } | |
810 | | NEXT '(' exp ')' %prec UNARY | |
3ec57632 | 811 | { $$ = exp_unop ((int) $1,$3); } |
252b5132 | 812 | | '!' exp %prec UNARY |
3ec57632 | 813 | { $$ = exp_unop ('!', $2); } |
252b5132 RH |
814 | | '+' exp %prec UNARY |
815 | { $$ = $2; } | |
816 | | '~' exp %prec UNARY | |
3ec57632 | 817 | { $$ = exp_unop ('~', $2);} |
252b5132 RH |
818 | |
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 | { $$ = exp_binop ('%', $1, $3); } |
252b5132 | 825 | | exp '+' exp |
3ec57632 | 826 | { $$ = exp_binop ('+', $1, $3); } |
252b5132 | 827 | | exp '-' exp |
3ec57632 | 828 | { $$ = exp_binop ('-' , $1, $3); } |
252b5132 | 829 | | exp LSHIFT exp |
3ec57632 | 830 | { $$ = exp_binop (LSHIFT , $1, $3); } |
252b5132 | 831 | | exp RSHIFT exp |
3ec57632 | 832 | { $$ = exp_binop (RSHIFT , $1, $3); } |
252b5132 | 833 | | exp EQ exp |
3ec57632 | 834 | { $$ = exp_binop (EQ , $1, $3); } |
252b5132 | 835 | | exp NE exp |
3ec57632 | 836 | { $$ = exp_binop (NE , $1, $3); } |
252b5132 | 837 | | exp LE exp |
3ec57632 | 838 | { $$ = exp_binop (LE , $1, $3); } |
252b5132 | 839 | | exp GE exp |
3ec57632 | 840 | { $$ = exp_binop (GE , $1, $3); } |
252b5132 | 841 | | exp '<' exp |
3ec57632 | 842 | { $$ = exp_binop ('<' , $1, $3); } |
252b5132 | 843 | | exp '>' exp |
3ec57632 | 844 | { $$ = exp_binop ('>' , $1, $3); } |
252b5132 | 845 | | exp '&' exp |
3ec57632 | 846 | { $$ = exp_binop ('&' , $1, $3); } |
252b5132 | 847 | | exp '^' exp |
3ec57632 | 848 | { $$ = exp_binop ('^' , $1, $3); } |
252b5132 | 849 | | exp '|' exp |
3ec57632 | 850 | { $$ = exp_binop ('|' , $1, $3); } |
252b5132 | 851 | | exp '?' exp ':' exp |
3ec57632 | 852 | { $$ = exp_trinop ('?' , $1, $3, $5); } |
252b5132 | 853 | | exp ANDAND exp |
3ec57632 | 854 | { $$ = exp_binop (ANDAND , $1, $3); } |
252b5132 | 855 | | exp OROR exp |
3ec57632 | 856 | { $$ = exp_binop (OROR , $1, $3); } |
252b5132 | 857 | | DEFINED '(' NAME ')' |
3ec57632 | 858 | { $$ = exp_nameop (DEFINED, $3); } |
252b5132 | 859 | | INT |
2c382fb6 | 860 | { $$ = exp_bigintop ($1.integer, $1.str); } |
252b5132 | 861 | | SIZEOF_HEADERS |
3ec57632 | 862 | { $$ = exp_nameop (SIZEOF_HEADERS,0); } |
252b5132 | 863 | |
5d41b3ef NS |
864 | | ALIGNOF '(' NAME ')' |
865 | { $$ = exp_nameop (ALIGNOF,$3); } | |
252b5132 | 866 | | SIZEOF '(' NAME ')' |
3ec57632 | 867 | { $$ = exp_nameop (SIZEOF,$3); } |
252b5132 | 868 | | ADDR '(' NAME ')' |
3ec57632 | 869 | { $$ = exp_nameop (ADDR,$3); } |
252b5132 | 870 | | LOADADDR '(' NAME ')' |
3ec57632 | 871 | { $$ = exp_nameop (LOADADDR,$3); } |
24718e3b L |
872 | | CONSTANT '(' NAME ')' |
873 | { $$ = exp_nameop (CONSTANT,$3); } | |
252b5132 | 874 | | ABSOLUTE '(' exp ')' |
3ec57632 | 875 | { $$ = exp_unop (ABSOLUTE, $3); } |
252b5132 | 876 | | ALIGN_K '(' exp ')' |
3ec57632 | 877 | { $$ = exp_unop (ALIGN_K,$3); } |
876f4090 | 878 | | ALIGN_K '(' exp ',' exp ')' |
3ec57632 | 879 | { $$ = exp_binop (ALIGN_K,$3,$5); } |
2d20f7bf JJ |
880 | | DATA_SEGMENT_ALIGN '(' exp ',' exp ')' |
881 | { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); } | |
a4f5ad88 JJ |
882 | | DATA_SEGMENT_RELRO_END '(' exp ',' exp ')' |
883 | { $$ = exp_binop (DATA_SEGMENT_RELRO_END, $5, $3); } | |
2d20f7bf | 884 | | DATA_SEGMENT_END '(' exp ')' |
3ec57632 | 885 | { $$ = exp_unop (DATA_SEGMENT_END, $3); } |
ba916c8a MM |
886 | | SEGMENT_START '(' NAME ',' exp ')' |
887 | { /* The operands to the expression node are | |
888 | placed in the opposite order from the way | |
889 | in which they appear in the script as | |
890 | that allows us to reuse more code in | |
891 | fold_binary. */ | |
892 | $$ = exp_binop (SEGMENT_START, | |
893 | $5, | |
894 | exp_nameop (NAME, $3)); } | |
252b5132 | 895 | | BLOCK '(' exp ')' |
3ec57632 | 896 | { $$ = exp_unop (ALIGN_K,$3); } |
252b5132 | 897 | | NAME |
3ec57632 | 898 | { $$ = exp_nameop (NAME,$1); } |
252b5132 RH |
899 | | MAX_K '(' exp ',' exp ')' |
900 | { $$ = exp_binop (MAX_K, $3, $5 ); } | |
901 | | MIN_K '(' exp ',' exp ')' | |
902 | { $$ = exp_binop (MIN_K, $3, $5 ); } | |
903 | | ASSERT_K '(' exp ',' NAME ')' | |
904 | { $$ = exp_assert ($3, $5); } | |
3ec57632 NC |
905 | | ORIGIN '(' NAME ')' |
906 | { $$ = exp_nameop (ORIGIN, $3); } | |
907 | | LENGTH '(' NAME ')' | |
908 | { $$ = exp_nameop (LENGTH, $3); } | |
252b5132 RH |
909 | ; |
910 | ||
911 | ||
562d3460 TW |
912 | memspec_at_opt: |
913 | AT '>' NAME { $$ = $3; } | |
9f88b410 | 914 | | { $$ = 0; } |
562d3460 TW |
915 | ; |
916 | ||
252b5132 RH |
917 | opt_at: |
918 | AT '(' exp ')' { $$ = $3; } | |
919 | | { $$ = 0; } | |
920 | ; | |
921 | ||
bbf115d3 L |
922 | opt_align: |
923 | ALIGN_K '(' exp ')' { $$ = $3; } | |
924 | | { $$ = 0; } | |
925 | ; | |
926 | ||
7e7d5768 AM |
927 | opt_subalign: |
928 | SUBALIGN '(' exp ')' { $$ = $3; } | |
929 | | { $$ = 0; } | |
930 | ; | |
931 | ||
0841712e JJ |
932 | sect_constraint: |
933 | ONLY_IF_RO { $$ = ONLY_IF_RO; } | |
934 | | ONLY_IF_RW { $$ = ONLY_IF_RW; } | |
0cf7d72c | 935 | | SPECIAL { $$ = SPECIAL; } |
0841712e JJ |
936 | | { $$ = 0; } |
937 | ; | |
938 | ||
252b5132 | 939 | section: NAME { ldlex_expression(); } |
d038301c | 940 | opt_exp_with_type |
7e7d5768 | 941 | opt_at |
bbf115d3 | 942 | opt_align |
7e7d5768 | 943 | opt_subalign { ldlex_popstate (); ldlex_script (); } |
0841712e | 944 | sect_constraint |
252b5132 RH |
945 | '{' |
946 | { | |
947 | lang_enter_output_section_statement($1, $3, | |
948 | sectype, | |
bbf115d3 | 949 | $5, $6, $4, $8); |
252b5132 | 950 | } |
d038301c | 951 | statement_list_opt |
252b5132 | 952 | '}' { ldlex_popstate (); ldlex_expression (); } |
562d3460 | 953 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 RH |
954 | { |
955 | ldlex_popstate (); | |
bbf115d3 | 956 | lang_leave_output_section_statement ($17, $14, $16, $15); |
252b5132 RH |
957 | } |
958 | opt_comma | |
2d801b0f | 959 | {} |
252b5132 RH |
960 | | OVERLAY |
961 | { ldlex_expression (); } | |
7e7d5768 | 962 | opt_exp_without_type opt_nocrossrefs opt_at opt_subalign |
252b5132 | 963 | { ldlex_popstate (); ldlex_script (); } |
d038301c | 964 | '{' |
252b5132 | 965 | { |
7e7d5768 | 966 | lang_enter_overlay ($3, $6); |
252b5132 RH |
967 | } |
968 | overlay_section | |
969 | '}' | |
970 | { ldlex_popstate (); ldlex_expression (); } | |
562d3460 | 971 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 RH |
972 | { |
973 | ldlex_popstate (); | |
9f88b410 | 974 | lang_leave_overlay ($5, (int) $4, |
7e7d5768 | 975 | $16, $13, $15, $14); |
252b5132 RH |
976 | } |
977 | opt_comma | |
978 | | /* The GROUP case is just enough to support the gcc | |
979 | svr3.ifile script. It is not intended to be full | |
980 | support. I'm not even sure what GROUP is supposed | |
981 | to mean. */ | |
982 | GROUP { ldlex_expression (); } | |
983 | opt_exp_with_type | |
984 | { | |
985 | ldlex_popstate (); | |
986 | lang_add_assignment (exp_assop ('=', ".", $3)); | |
987 | } | |
988 | '{' sec_or_group_p1 '}' | |
4006703d NS |
989 | | INCLUDE filename |
990 | { ldlex_script (); ldfile_open_command_file($2); } | |
991 | sec_or_group_p1 END | |
992 | { ldlex_popstate (); } | |
252b5132 RH |
993 | ; |
994 | ||
995 | type: | |
996 | NOLOAD { sectype = noload_section; } | |
02a38f92 AM |
997 | | DSECT { sectype = noalloc_section; } |
998 | | COPY { sectype = noalloc_section; } | |
999 | | INFO { sectype = noalloc_section; } | |
1000 | | OVERLAY { sectype = noalloc_section; } | |
252b5132 RH |
1001 | ; |
1002 | ||
1003 | atype: | |
1004 | '(' type ')' | |
1005 | | /* EMPTY */ { sectype = normal_section; } | |
1006 | | '(' ')' { sectype = normal_section; } | |
1007 | ; | |
1008 | ||
1009 | opt_exp_with_type: | |
1010 | exp atype ':' { $$ = $1; } | |
1011 | | atype ':' { $$ = (etree_type *)NULL; } | |
1012 | | /* The BIND cases are to support the gcc svr3.ifile | |
1013 | script. They aren't intended to implement full | |
1014 | support for the BIND keyword. I'm not even sure | |
1015 | what BIND is supposed to mean. */ | |
1016 | BIND '(' exp ')' atype ':' { $$ = $3; } | |
1017 | | BIND '(' exp ')' BLOCK '(' exp ')' atype ':' | |
1018 | { $$ = $3; } | |
1019 | ; | |
1020 | ||
1021 | opt_exp_without_type: | |
1022 | exp ':' { $$ = $1; } | |
1023 | | ':' { $$ = (etree_type *) NULL; } | |
1024 | ; | |
1025 | ||
1026 | opt_nocrossrefs: | |
1027 | /* empty */ | |
1028 | { $$ = 0; } | |
1029 | | NOCROSSREFS | |
1030 | { $$ = 1; } | |
1031 | ; | |
1032 | ||
1033 | memspec_opt: | |
1034 | '>' NAME | |
1035 | { $$ = $2; } | |
a747ee4d | 1036 | | { $$ = DEFAULT_MEMORY_REGION; } |
252b5132 RH |
1037 | ; |
1038 | ||
1039 | phdr_opt: | |
1040 | /* empty */ | |
1041 | { | |
1042 | $$ = NULL; | |
1043 | } | |
1044 | | phdr_opt ':' NAME | |
1045 | { | |
1046 | struct lang_output_section_phdr_list *n; | |
1047 | ||
1048 | n = ((struct lang_output_section_phdr_list *) | |
1049 | xmalloc (sizeof *n)); | |
1050 | n->name = $3; | |
b34976b6 | 1051 | n->used = FALSE; |
252b5132 RH |
1052 | n->next = $1; |
1053 | $$ = n; | |
1054 | } | |
1055 | ; | |
1056 | ||
1057 | overlay_section: | |
1058 | /* empty */ | |
1059 | | overlay_section | |
1060 | NAME | |
1061 | { | |
1062 | ldlex_script (); | |
1063 | lang_enter_overlay_section ($2); | |
1064 | } | |
1065 | '{' statement_list_opt '}' | |
1066 | { ldlex_popstate (); ldlex_expression (); } | |
1067 | phdr_opt fill_opt | |
1068 | { | |
1069 | ldlex_popstate (); | |
1070 | lang_leave_overlay_section ($9, $8); | |
1071 | } | |
1072 | opt_comma | |
1073 | ; | |
1074 | ||
1075 | phdrs: | |
1076 | PHDRS '{' phdr_list '}' | |
1077 | ; | |
1078 | ||
1079 | phdr_list: | |
1080 | /* empty */ | |
1081 | | phdr_list phdr | |
1082 | ; | |
1083 | ||
1084 | phdr: | |
1085 | NAME { ldlex_expression (); } | |
1086 | phdr_type phdr_qualifiers { ldlex_popstate (); } | |
1087 | ';' | |
1088 | { | |
1089 | lang_new_phdr ($1, $3, $4.filehdr, $4.phdrs, $4.at, | |
1090 | $4.flags); | |
1091 | } | |
1092 | ; | |
1093 | ||
1094 | phdr_type: | |
1095 | exp | |
1096 | { | |
1097 | $$ = $1; | |
1098 | ||
1099 | if ($1->type.node_class == etree_name | |
1100 | && $1->type.node_code == NAME) | |
1101 | { | |
1102 | const char *s; | |
1103 | unsigned int i; | |
1104 | static const char * const phdr_types[] = | |
1105 | { | |
1106 | "PT_NULL", "PT_LOAD", "PT_DYNAMIC", | |
1107 | "PT_INTERP", "PT_NOTE", "PT_SHLIB", | |
d038301c | 1108 | "PT_PHDR", "PT_TLS" |
252b5132 RH |
1109 | }; |
1110 | ||
1111 | s = $1->name.name; | |
1112 | for (i = 0; | |
1113 | i < sizeof phdr_types / sizeof phdr_types[0]; | |
1114 | i++) | |
1115 | if (strcmp (s, phdr_types[i]) == 0) | |
1116 | { | |
1117 | $$ = exp_intop (i); | |
1118 | break; | |
1119 | } | |
d038301c RM |
1120 | if (i == sizeof phdr_types / sizeof phdr_types[0]) |
1121 | { | |
1122 | if (strcmp (s, "PT_GNU_EH_FRAME") == 0) | |
1123 | $$ = exp_intop (0x6474e550); | |
9ee5e499 JJ |
1124 | else if (strcmp (s, "PT_GNU_STACK") == 0) |
1125 | $$ = exp_intop (0x6474e551); | |
d038301c RM |
1126 | else |
1127 | { | |
1128 | einfo (_("\ | |
1129 | %X%P:%S: unknown phdr type `%s' (try integer literal)\n"), | |
1130 | s); | |
1131 | $$ = exp_intop (0); | |
1132 | } | |
1133 | } | |
252b5132 RH |
1134 | } |
1135 | } | |
1136 | ; | |
1137 | ||
1138 | phdr_qualifiers: | |
1139 | /* empty */ | |
1140 | { | |
1141 | memset (&$$, 0, sizeof (struct phdr_info)); | |
1142 | } | |
1143 | | NAME phdr_val phdr_qualifiers | |
1144 | { | |
1145 | $$ = $3; | |
1146 | if (strcmp ($1, "FILEHDR") == 0 && $2 == NULL) | |
b34976b6 | 1147 | $$.filehdr = TRUE; |
252b5132 | 1148 | else if (strcmp ($1, "PHDRS") == 0 && $2 == NULL) |
b34976b6 | 1149 | $$.phdrs = TRUE; |
252b5132 RH |
1150 | else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL) |
1151 | $$.flags = $2; | |
1152 | else | |
1153 | einfo (_("%X%P:%S: PHDRS syntax error at `%s'\n"), $1); | |
1154 | } | |
1155 | | AT '(' exp ')' phdr_qualifiers | |
1156 | { | |
1157 | $$ = $5; | |
1158 | $$.at = $3; | |
1159 | } | |
1160 | ; | |
1161 | ||
1162 | phdr_val: | |
1163 | /* empty */ | |
1164 | { | |
1165 | $$ = NULL; | |
1166 | } | |
1167 | | '(' exp ')' | |
1168 | { | |
1169 | $$ = $2; | |
1170 | } | |
1171 | ; | |
1172 | ||
55255dae L |
1173 | dynamic_list_file: |
1174 | { | |
1175 | ldlex_version_file (); | |
1176 | PUSH_ERROR (_("dynamic list")); | |
1177 | } | |
1178 | dynamic_list_nodes | |
1179 | { | |
1180 | ldlex_popstate (); | |
1181 | POP_ERROR (); | |
1182 | } | |
1183 | ; | |
1184 | ||
1185 | dynamic_list_nodes: | |
1186 | dynamic_list_node | |
1187 | | dynamic_list_nodes dynamic_list_node | |
1188 | ; | |
1189 | ||
1190 | dynamic_list_node: | |
1191 | '{' dynamic_list_tag '}' ';' | |
1192 | ; | |
1193 | ||
1194 | dynamic_list_tag: | |
1195 | vers_defns ';' | |
1196 | { | |
1197 | lang_append_dynamic_list ($1); | |
1198 | } | |
1199 | ; | |
1200 | ||
252b5132 RH |
1201 | /* This syntax is used within an external version script file. */ |
1202 | ||
1203 | version_script_file: | |
1204 | { | |
1205 | ldlex_version_file (); | |
1206 | PUSH_ERROR (_("VERSION script")); | |
1207 | } | |
1208 | vers_nodes | |
1209 | { | |
1210 | ldlex_popstate (); | |
1211 | POP_ERROR (); | |
1212 | } | |
1213 | ; | |
1214 | ||
1215 | /* This is used within a normal linker script file. */ | |
1216 | ||
1217 | version: | |
1218 | { | |
1219 | ldlex_version_script (); | |
1220 | } | |
1221 | VERSIONK '{' vers_nodes '}' | |
1222 | { | |
1223 | ldlex_popstate (); | |
1224 | } | |
1225 | ; | |
1226 | ||
1227 | vers_nodes: | |
1228 | vers_node | |
1229 | | vers_nodes vers_node | |
1230 | ; | |
1231 | ||
1232 | vers_node: | |
6b9b879a JJ |
1233 | '{' vers_tag '}' ';' |
1234 | { | |
1235 | lang_register_vers_node (NULL, $2, NULL); | |
1236 | } | |
1237 | | VERS_TAG '{' vers_tag '}' ';' | |
252b5132 RH |
1238 | { |
1239 | lang_register_vers_node ($1, $3, NULL); | |
1240 | } | |
1241 | | VERS_TAG '{' vers_tag '}' verdep ';' | |
1242 | { | |
1243 | lang_register_vers_node ($1, $3, $5); | |
1244 | } | |
1245 | ; | |
1246 | ||
1247 | verdep: | |
1248 | VERS_TAG | |
1249 | { | |
1250 | $$ = lang_add_vers_depend (NULL, $1); | |
1251 | } | |
1252 | | verdep VERS_TAG | |
1253 | { | |
1254 | $$ = lang_add_vers_depend ($1, $2); | |
1255 | } | |
1256 | ; | |
1257 | ||
1258 | vers_tag: | |
1259 | /* empty */ | |
1260 | { | |
1261 | $$ = lang_new_vers_node (NULL, NULL); | |
1262 | } | |
1263 | | vers_defns ';' | |
1264 | { | |
1265 | $$ = lang_new_vers_node ($1, NULL); | |
1266 | } | |
1267 | | GLOBAL ':' vers_defns ';' | |
1268 | { | |
1269 | $$ = lang_new_vers_node ($3, NULL); | |
1270 | } | |
1271 | | LOCAL ':' vers_defns ';' | |
1272 | { | |
1273 | $$ = lang_new_vers_node (NULL, $3); | |
1274 | } | |
1275 | | GLOBAL ':' vers_defns ';' LOCAL ':' vers_defns ';' | |
1276 | { | |
1277 | $$ = lang_new_vers_node ($3, $7); | |
1278 | } | |
1279 | ; | |
1280 | ||
1281 | vers_defns: | |
1282 | VERS_IDENTIFIER | |
1283 | { | |
86043bbb MM |
1284 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, FALSE); |
1285 | } | |
1286 | | NAME | |
1287 | { | |
1288 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, TRUE); | |
252b5132 RH |
1289 | } |
1290 | | vers_defns ';' VERS_IDENTIFIER | |
1291 | { | |
86043bbb MM |
1292 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, FALSE); |
1293 | } | |
1294 | | vers_defns ';' NAME | |
1295 | { | |
1296 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, TRUE); | |
252b5132 | 1297 | } |
8e23b15d AM |
1298 | | vers_defns ';' EXTERN NAME '{' |
1299 | { | |
1300 | $<name>$ = ldgram_vers_current_lang; | |
1301 | ldgram_vers_current_lang = $4; | |
1302 | } | |
1303 | vers_defns opt_semicolon '}' | |
1304 | { | |
96f8ade5 JJ |
1305 | struct bfd_elf_version_expr *pat; |
1306 | for (pat = $7; pat->next != NULL; pat = pat->next); | |
1307 | pat->next = $1; | |
8e23b15d AM |
1308 | $$ = $7; |
1309 | ldgram_vers_current_lang = $<name>6; | |
1310 | } | |
252b5132 RH |
1311 | | EXTERN NAME '{' |
1312 | { | |
1313 | $<name>$ = ldgram_vers_current_lang; | |
1314 | ldgram_vers_current_lang = $2; | |
1315 | } | |
8e23b15d | 1316 | vers_defns opt_semicolon '}' |
252b5132 | 1317 | { |
e06cae36 | 1318 | $$ = $5; |
252b5132 RH |
1319 | ldgram_vers_current_lang = $<name>4; |
1320 | } | |
96f8ade5 JJ |
1321 | | GLOBAL |
1322 | { | |
86043bbb | 1323 | $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1324 | } |
1325 | | vers_defns ';' GLOBAL | |
1326 | { | |
86043bbb | 1327 | $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1328 | } |
1329 | | LOCAL | |
1330 | { | |
86043bbb | 1331 | $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1332 | } |
1333 | | vers_defns ';' LOCAL | |
1334 | { | |
86043bbb | 1335 | $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1336 | } |
1337 | | EXTERN | |
1338 | { | |
86043bbb | 1339 | $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1340 | } |
1341 | | vers_defns ';' EXTERN | |
1342 | { | |
86043bbb | 1343 | $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang, FALSE); |
96f8ade5 | 1344 | } |
252b5132 RH |
1345 | ; |
1346 | ||
8e23b15d AM |
1347 | opt_semicolon: |
1348 | /* empty */ | |
1349 | | ';' | |
1350 | ; | |
1351 | ||
252b5132 RH |
1352 | %% |
1353 | void | |
d038301c | 1354 | yyerror(arg) |
252b5132 | 1355 | const char *arg; |
d038301c | 1356 | { |
252b5132 RH |
1357 | if (ldfile_assumed_script) |
1358 | einfo (_("%P:%s: file format not recognized; treating as linker script\n"), | |
1359 | ldfile_input_filename); | |
1360 | if (error_index > 0 && error_index < ERROR_NAME_MAX) | |
1361 | einfo ("%P%F:%S: %s in %s\n", arg, error_names[error_index-1]); | |
1362 | else | |
1363 | einfo ("%P%F:%S: %s\n", arg); | |
1364 | } |