Commit | Line | Data |
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8e5a525c | 1 | /* A YACC grammar to parse a superset of the AT&T linker scripting language. |
2571583a | 2 | Copyright (C) 1991-2017 Free Software Foundation, Inc. |
252b5132 RH |
3 | Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com). |
4 | ||
f96b4a7b | 5 | This file is part of the GNU Binutils. |
252b5132 | 6 | |
3ec57632 NC |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
f96b4a7b | 9 | the Free Software Foundation; either version 3 of the License, or |
3ec57632 | 10 | (at your option) any later version. |
252b5132 | 11 | |
3ec57632 NC |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
252b5132 | 16 | |
3ec57632 NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
f96b4a7b NC |
19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | MA 02110-1301, USA. */ | |
252b5132 RH |
21 | |
22 | %{ | |
23 | /* | |
24 | ||
25 | */ | |
26 | ||
27 | #define DONTDECLARE_MALLOC | |
28 | ||
252b5132 | 29 | #include "sysdep.h" |
3db64b00 | 30 | #include "bfd.h" |
252b5132 | 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 | 51 | bfd_boolean ldgram_had_keep = FALSE; |
252b5132 RH |
52 | char *ldgram_vers_current_lang = NULL; |
53 | ||
54 | #define ERROR_NAME_MAX 20 | |
55 | static char *error_names[ERROR_NAME_MAX]; | |
56 | static int error_index; | |
57 | #define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++; | |
58 | #define POP_ERROR() error_index--; | |
59 | %} | |
60 | %union { | |
61 | bfd_vma integer; | |
2c382fb6 AM |
62 | struct big_int |
63 | { | |
64 | bfd_vma integer; | |
65 | char *str; | |
66 | } bigint; | |
67 | fill_type *fill; | |
252b5132 RH |
68 | char *name; |
69 | const char *cname; | |
70 | struct wildcard_spec wildcard; | |
b6bf44ba | 71 | struct wildcard_list *wildcard_list; |
18625d54 | 72 | struct name_list *name_list; |
ae17ab41 CM |
73 | struct flag_info_list *flag_info_list; |
74 | struct flag_info *flag_info; | |
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 |
6b211b9c | 95 | %type <wildcard_list> section_NAME_list |
ae17ab41 CM |
96 | %type <flag_info_list> sect_flag_list |
97 | %type <flag_info> sect_flags | |
252b5132 | 98 | %type <name> memspec_opt casesymlist |
562d3460 | 99 | %type <name> memspec_at_opt |
252b5132 RH |
100 | %type <cname> wildcard_name |
101 | %type <wildcard> wildcard_spec | |
d038301c | 102 | %token <bigint> INT |
252b5132 RH |
103 | %token <name> NAME LNAME |
104 | %type <integer> length | |
105 | %type <phdr> phdr_qualifiers | |
106 | %type <nocrossref> nocrossref_list | |
107 | %type <section_phdr> phdr_opt | |
108 | %type <integer> opt_nocrossrefs | |
109 | ||
d038301c | 110 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ |
252b5132 RH |
111 | %right <token> '?' ':' |
112 | %left <token> OROR | |
113 | %left <token> ANDAND | |
114 | %left <token> '|' | |
115 | %left <token> '^' | |
116 | %left <token> '&' | |
117 | %left <token> EQ NE | |
118 | %left <token> '<' '>' LE GE | |
119 | %left <token> LSHIFT RSHIFT | |
120 | ||
121 | %left <token> '+' '-' | |
122 | %left <token> '*' '/' '%' | |
123 | ||
124 | %right UNARY | |
d038301c | 125 | %token END |
252b5132 RH |
126 | %left <token> '(' |
127 | %token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE | |
53d25da6 AM |
128 | %token SECTIONS PHDRS INSERT_K AFTER BEFORE |
129 | %token DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END | |
eda680f8 | 130 | %token SORT_BY_NAME SORT_BY_ALIGNMENT SORT_NONE |
02ecc8e9 | 131 | %token SORT_BY_INIT_PRIORITY |
252b5132 RH |
132 | %token '{' '}' |
133 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH | |
7bdf4127 | 134 | %token INHIBIT_COMMON_ALLOCATION FORCE_GROUP_ALLOCATION |
ba916c8a | 135 | %token SEGMENT_START |
252b5132 | 136 | %token INCLUDE |
ed9ef263 | 137 | %token MEMORY |
4a93e180 | 138 | %token REGION_ALIAS |
01554a74 | 139 | %token LD_FEATURE |
252b5132 | 140 | %token NOLOAD DSECT COPY INFO OVERLAY |
ed9ef263 | 141 | %token DEFINED TARGET_K SEARCH_DIR MAP ENTRY |
252b5132 | 142 | %token <integer> NEXT |
5d41b3ef | 143 | %token SIZEOF ALIGNOF ADDR LOADADDR MAX_K MIN_K |
cdf96953 | 144 | %token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS NOCROSSREFS_TO |
252b5132 RH |
145 | %token ORIGIN FILL |
146 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS | |
eb8476a6 | 147 | %token ALIGNMOD AT SUBALIGN HIDDEN PROVIDE PROVIDE_HIDDEN AS_NEEDED |
1eec346e | 148 | %type <token> assign_op atype attributes_opt sect_constraint opt_align_with_input |
252b5132 RH |
149 | %type <name> filename |
150 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K | |
2e53f7d6 | 151 | %token LOG2CEIL FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL |
252b5132 RH |
152 | %token INPUT_SCRIPT INPUT_MRI_SCRIPT INPUT_DEFSYM CASE EXTERN START |
153 | %token <name> VERS_TAG VERS_IDENTIFIER | |
154 | %token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT | |
1eec346e | 155 | %token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL INPUT_SECTION_FLAGS ALIGN_WITH_INPUT |
252b5132 | 156 | %token EXCLUDE_FILE |
24718e3b | 157 | %token CONSTANT |
252b5132 RH |
158 | %type <versyms> vers_defns |
159 | %type <versnode> vers_tag | |
160 | %type <deflist> verdep | |
55255dae | 161 | %token INPUT_DYNAMIC_LIST |
252b5132 RH |
162 | |
163 | %% | |
164 | ||
d038301c | 165 | file: |
252b5132 RH |
166 | INPUT_SCRIPT script_file |
167 | | INPUT_MRI_SCRIPT mri_script_file | |
168 | | INPUT_VERSION_SCRIPT version_script_file | |
55255dae | 169 | | INPUT_DYNAMIC_LIST dynamic_list_file |
252b5132 RH |
170 | | INPUT_DEFSYM defsym_expr |
171 | ; | |
172 | ||
173 | ||
174 | filename: NAME; | |
175 | ||
176 | ||
177 | defsym_expr: | |
178 | { ldlex_defsym(); } | |
179 | NAME '=' exp | |
180 | { | |
181 | ldlex_popstate(); | |
2e57b2af | 182 | lang_add_assignment (exp_defsym ($2, $4)); |
252b5132 | 183 | } |
944cd72c | 184 | ; |
252b5132 | 185 | |
d038301c | 186 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
252b5132 RH |
187 | mri_script_file: |
188 | { | |
189 | ldlex_mri_script (); | |
190 | PUSH_ERROR (_("MRI style script")); | |
191 | } | |
192 | mri_script_lines | |
193 | { | |
194 | ldlex_popstate (); | |
195 | mri_draw_tree (); | |
196 | POP_ERROR (); | |
197 | } | |
198 | ; | |
199 | ||
200 | mri_script_lines: | |
201 | mri_script_lines mri_script_command NEWLINE | |
202 | | | |
203 | ; | |
204 | ||
205 | mri_script_command: | |
d038301c | 206 | CHIP exp |
252b5132 RH |
207 | | CHIP exp ',' exp |
208 | | NAME { | |
209 | einfo(_("%P%F: unrecognised keyword in MRI style script '%s'\n"),$1); | |
210 | } | |
211 | | LIST { | |
212 | config.map_filename = "-"; | |
213 | } | |
214 | | ORDER ordernamelist | |
d038301c | 215 | | ENDWORD |
252b5132 RH |
216 | | PUBLIC NAME '=' exp |
217 | { mri_public($2, $4); } | |
218 | | PUBLIC NAME ',' exp | |
219 | { mri_public($2, $4); } | |
d038301c | 220 | | PUBLIC NAME exp |
252b5132 RH |
221 | { mri_public($2, $3); } |
222 | | FORMAT NAME | |
223 | { mri_format($2); } | |
224 | | SECT NAME ',' exp | |
225 | { mri_output_section($2, $4);} | |
226 | | SECT NAME exp | |
227 | { mri_output_section($2, $3);} | |
228 | | SECT NAME '=' exp | |
229 | { mri_output_section($2, $4);} | |
230 | | ALIGN_K NAME '=' exp | |
231 | { mri_align($2,$4); } | |
232 | | ALIGN_K NAME ',' exp | |
233 | { mri_align($2,$4); } | |
234 | | ALIGNMOD NAME '=' exp | |
235 | { mri_alignmod($2,$4); } | |
236 | | ALIGNMOD NAME ',' exp | |
237 | { mri_alignmod($2,$4); } | |
238 | | ABSOLUTE mri_abs_name_list | |
239 | | LOAD mri_load_name_list | |
d038301c RM |
240 | | NAMEWORD NAME |
241 | { mri_name($2); } | |
252b5132 RH |
242 | | ALIAS NAME ',' NAME |
243 | { mri_alias($2,$4,0);} | |
244 | | ALIAS NAME ',' INT | |
2c382fb6 | 245 | { mri_alias ($2, 0, (int) $4.integer); } |
252b5132 RH |
246 | | BASE exp |
247 | { mri_base($2); } | |
2c382fb6 AM |
248 | | TRUNCATE INT |
249 | { mri_truncate ((unsigned int) $2.integer); } | |
252b5132 RH |
250 | | CASE casesymlist |
251 | | EXTERN extern_name_list | |
252 | | INCLUDE filename | |
b47c4208 AM |
253 | { ldlex_script (); ldfile_open_command_file($2); } |
254 | mri_script_lines END | |
255 | { ldlex_popstate (); } | |
252b5132 | 256 | | START NAME |
b34976b6 | 257 | { lang_add_entry ($2, FALSE); } |
252b5132 RH |
258 | | |
259 | ; | |
260 | ||
261 | ordernamelist: | |
262 | ordernamelist ',' NAME { mri_order($3); } | |
263 | | ordernamelist NAME { mri_order($2); } | |
264 | | | |
265 | ; | |
266 | ||
267 | mri_load_name_list: | |
268 | NAME | |
269 | { mri_load($1); } | |
270 | | mri_load_name_list ',' NAME { mri_load($3); } | |
271 | ; | |
272 | ||
273 | mri_abs_name_list: | |
274 | NAME | |
275 | { mri_only_load($1); } | |
276 | | mri_abs_name_list ',' NAME | |
277 | { mri_only_load($3); } | |
278 | ; | |
279 | ||
280 | casesymlist: | |
281 | /* empty */ { $$ = NULL; } | |
282 | | NAME | |
283 | | casesymlist ',' NAME | |
284 | ; | |
285 | ||
8545d1a9 | 286 | /* Parsed as expressions so that commas separate entries */ |
252b5132 | 287 | extern_name_list: |
8545d1a9 NS |
288 | { ldlex_expression (); } |
289 | extern_name_list_body | |
290 | { ldlex_popstate (); } | |
291 | ||
292 | extern_name_list_body: | |
252b5132 | 293 | NAME |
24898b70 | 294 | { ldlang_add_undef ($1, FALSE); } |
8545d1a9 | 295 | | extern_name_list_body NAME |
24898b70 | 296 | { ldlang_add_undef ($2, FALSE); } |
8545d1a9 | 297 | | extern_name_list_body ',' NAME |
24898b70 | 298 | { ldlang_add_undef ($3, FALSE); } |
252b5132 RH |
299 | ; |
300 | ||
301 | script_file: | |
8545d1a9 NS |
302 | { ldlex_both(); } |
303 | ifile_list | |
304 | { ldlex_popstate(); } | |
252b5132 RH |
305 | ; |
306 | ||
252b5132 | 307 | ifile_list: |
8545d1a9 | 308 | ifile_list ifile_p1 |
252b5132 RH |
309 | | |
310 | ; | |
311 | ||
312 | ||
252b5132 RH |
313 | ifile_p1: |
314 | memory | |
315 | | sections | |
316 | | phdrs | |
317 | | startup | |
318 | | high_level_library | |
319 | | low_level_library | |
320 | | floating_point_support | |
321 | | statement_anywhere | |
322 | | version | |
323 | | ';' | |
324 | | TARGET_K '(' NAME ')' | |
325 | { lang_add_target($3); } | |
326 | | SEARCH_DIR '(' filename ')' | |
b34976b6 | 327 | { ldfile_add_library_path ($3, FALSE); } |
252b5132 RH |
328 | | OUTPUT '(' filename ')' |
329 | { lang_add_output($3, 1); } | |
330 | | OUTPUT_FORMAT '(' NAME ')' | |
331 | { lang_add_output_format ($3, (char *) NULL, | |
332 | (char *) NULL, 1); } | |
333 | | OUTPUT_FORMAT '(' NAME ',' NAME ',' NAME ')' | |
334 | { lang_add_output_format ($3, $5, $7, 1); } | |
335 | | OUTPUT_ARCH '(' NAME ')' | |
5e2f1575 | 336 | { ldfile_set_output_arch ($3, bfd_arch_unknown); } |
252b5132 | 337 | | FORCE_COMMON_ALLOCATION |
b34976b6 | 338 | { command_line.force_common_definition = TRUE ; } |
7bdf4127 AB |
339 | | FORCE_GROUP_ALLOCATION |
340 | { command_line.force_group_allocation = TRUE ; } | |
4818e05f | 341 | | INHIBIT_COMMON_ALLOCATION |
b34976b6 | 342 | { command_line.inhibit_common_definition = TRUE ; } |
252b5132 RH |
343 | | INPUT '(' input_list ')' |
344 | | GROUP | |
345 | { lang_enter_group (); } | |
346 | '(' input_list ')' | |
347 | { lang_leave_group (); } | |
348 | | MAP '(' filename ')' | |
349 | { lang_add_map($3); } | |
d038301c | 350 | | INCLUDE filename |
b47c4208 AM |
351 | { ldlex_script (); ldfile_open_command_file($2); } |
352 | ifile_list END | |
353 | { ldlex_popstate (); } | |
252b5132 RH |
354 | | NOCROSSREFS '(' nocrossref_list ')' |
355 | { | |
356 | lang_add_nocrossref ($3); | |
357 | } | |
cdf96953 MF |
358 | | NOCROSSREFS_TO '(' nocrossref_list ')' |
359 | { | |
360 | lang_add_nocrossref_to ($3); | |
361 | } | |
252b5132 | 362 | | EXTERN '(' extern_name_list ')' |
53d25da6 AM |
363 | | INSERT_K AFTER NAME |
364 | { lang_add_insert ($3, 0); } | |
365 | | INSERT_K BEFORE NAME | |
366 | { lang_add_insert ($3, 1); } | |
4a93e180 NC |
367 | | REGION_ALIAS '(' NAME ',' NAME ')' |
368 | { lang_memory_region_alias ($3, $5); } | |
01554a74 AM |
369 | | LD_FEATURE '(' NAME ')' |
370 | { lang_ld_feature ($3); } | |
252b5132 RH |
371 | ; |
372 | ||
373 | input_list: | |
eeed9cc7 HPN |
374 | { ldlex_inputlist(); } |
375 | input_list1 | |
376 | { ldlex_popstate(); } | |
377 | ||
378 | input_list1: | |
252b5132 RH |
379 | NAME |
380 | { lang_add_input_file($1,lang_input_file_is_search_file_enum, | |
381 | (char *)NULL); } | |
eeed9cc7 | 382 | | input_list1 ',' NAME |
252b5132 RH |
383 | { lang_add_input_file($3,lang_input_file_is_search_file_enum, |
384 | (char *)NULL); } | |
eeed9cc7 | 385 | | input_list1 NAME |
252b5132 RH |
386 | { lang_add_input_file($2,lang_input_file_is_search_file_enum, |
387 | (char *)NULL); } | |
388 | | LNAME | |
389 | { lang_add_input_file($1,lang_input_file_is_l_enum, | |
390 | (char *)NULL); } | |
eeed9cc7 | 391 | | input_list1 ',' LNAME |
252b5132 RH |
392 | { lang_add_input_file($3,lang_input_file_is_l_enum, |
393 | (char *)NULL); } | |
eeed9cc7 | 394 | | input_list1 LNAME |
252b5132 RH |
395 | { lang_add_input_file($2,lang_input_file_is_l_enum, |
396 | (char *)NULL); } | |
b717d30e | 397 | | AS_NEEDED '(' |
66be1055 AM |
398 | { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; |
399 | input_flags.add_DT_NEEDED_for_regular = TRUE; } | |
eeed9cc7 | 400 | input_list1 ')' |
66be1055 | 401 | { input_flags.add_DT_NEEDED_for_regular = $<integer>3; } |
eeed9cc7 | 402 | | input_list1 ',' AS_NEEDED '(' |
66be1055 AM |
403 | { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; |
404 | input_flags.add_DT_NEEDED_for_regular = TRUE; } | |
eeed9cc7 | 405 | input_list1 ')' |
66be1055 | 406 | { input_flags.add_DT_NEEDED_for_regular = $<integer>5; } |
eeed9cc7 | 407 | | input_list1 AS_NEEDED '(' |
66be1055 AM |
408 | { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; |
409 | input_flags.add_DT_NEEDED_for_regular = TRUE; } | |
eeed9cc7 | 410 | input_list1 ')' |
66be1055 | 411 | { input_flags.add_DT_NEEDED_for_regular = $<integer>4; } |
252b5132 RH |
412 | ; |
413 | ||
414 | sections: | |
415 | SECTIONS '{' sec_or_group_p1 '}' | |
416 | ; | |
417 | ||
418 | sec_or_group_p1: | |
419 | sec_or_group_p1 section | |
420 | | sec_or_group_p1 statement_anywhere | |
421 | | | |
422 | ; | |
423 | ||
424 | statement_anywhere: | |
425 | ENTRY '(' NAME ')' | |
b34976b6 | 426 | { lang_add_entry ($3, FALSE); } |
252b5132 | 427 | | assignment end |
b6ca8815 NS |
428 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' |
429 | { ldlex_popstate (); | |
430 | lang_add_assignment (exp_assert ($4, $6)); } | |
252b5132 RH |
431 | ; |
432 | ||
433 | /* The '*' and '?' cases are there because the lexer returns them as | |
434 | separate tokens rather than as NAME. */ | |
435 | wildcard_name: | |
436 | NAME | |
437 | { | |
438 | $$ = $1; | |
439 | } | |
440 | | '*' | |
441 | { | |
442 | $$ = "*"; | |
443 | } | |
444 | | '?' | |
445 | { | |
446 | $$ = "?"; | |
447 | } | |
448 | ; | |
449 | ||
450 | wildcard_spec: | |
451 | wildcard_name | |
452 | { | |
453 | $$.name = $1; | |
bcaa7b3e | 454 | $$.sorted = none; |
18625d54 | 455 | $$.exclude_name_list = NULL; |
ae17ab41 | 456 | $$.section_flag_list = NULL; |
252b5132 | 457 | } |
18625d54 | 458 | | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name |
252b5132 RH |
459 | { |
460 | $$.name = $5; | |
bcaa7b3e | 461 | $$.sorted = none; |
18625d54 | 462 | $$.exclude_name_list = $3; |
ae17ab41 | 463 | $$.section_flag_list = NULL; |
252b5132 | 464 | } |
bcaa7b3e | 465 | | SORT_BY_NAME '(' wildcard_name ')' |
252b5132 RH |
466 | { |
467 | $$.name = $3; | |
bcaa7b3e | 468 | $$.sorted = by_name; |
18625d54 | 469 | $$.exclude_name_list = NULL; |
ae17ab41 | 470 | $$.section_flag_list = NULL; |
252b5132 | 471 | } |
bcaa7b3e L |
472 | | SORT_BY_ALIGNMENT '(' wildcard_name ')' |
473 | { | |
474 | $$.name = $3; | |
475 | $$.sorted = by_alignment; | |
476 | $$.exclude_name_list = NULL; | |
ae17ab41 | 477 | $$.section_flag_list = NULL; |
bcaa7b3e | 478 | } |
eda680f8 L |
479 | | SORT_NONE '(' wildcard_name ')' |
480 | { | |
481 | $$.name = $3; | |
482 | $$.sorted = by_none; | |
483 | $$.exclude_name_list = NULL; | |
484 | $$.section_flag_list = NULL; | |
485 | } | |
bcaa7b3e L |
486 | | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')' |
487 | { | |
488 | $$.name = $5; | |
489 | $$.sorted = by_name_alignment; | |
490 | $$.exclude_name_list = NULL; | |
ae17ab41 | 491 | $$.section_flag_list = NULL; |
bcaa7b3e L |
492 | } |
493 | | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_name ')' ')' | |
494 | { | |
495 | $$.name = $5; | |
496 | $$.sorted = by_name; | |
497 | $$.exclude_name_list = NULL; | |
ae17ab41 | 498 | $$.section_flag_list = NULL; |
bcaa7b3e L |
499 | } |
500 | | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_name ')' ')' | |
501 | { | |
502 | $$.name = $5; | |
503 | $$.sorted = by_alignment_name; | |
504 | $$.exclude_name_list = NULL; | |
ae17ab41 | 505 | $$.section_flag_list = NULL; |
bcaa7b3e L |
506 | } |
507 | | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_name ')' ')' | |
508 | { | |
509 | $$.name = $5; | |
510 | $$.sorted = by_alignment; | |
511 | $$.exclude_name_list = NULL; | |
ae17ab41 | 512 | $$.section_flag_list = NULL; |
bcaa7b3e L |
513 | } |
514 | | SORT_BY_NAME '(' EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name ')' | |
252b5132 RH |
515 | { |
516 | $$.name = $7; | |
bcaa7b3e | 517 | $$.sorted = by_name; |
18625d54 | 518 | $$.exclude_name_list = $5; |
ae17ab41 | 519 | $$.section_flag_list = NULL; |
252b5132 | 520 | } |
02ecc8e9 L |
521 | | SORT_BY_INIT_PRIORITY '(' wildcard_name ')' |
522 | { | |
523 | $$.name = $3; | |
524 | $$.sorted = by_init_priority; | |
525 | $$.exclude_name_list = NULL; | |
ae17ab41 CM |
526 | $$.section_flag_list = NULL; |
527 | } | |
528 | ; | |
529 | ||
530 | sect_flag_list: NAME | |
531 | { | |
532 | struct flag_info_list *n; | |
533 | n = ((struct flag_info_list *) xmalloc (sizeof *n)); | |
534 | if ($1[0] == '!') | |
535 | { | |
536 | n->with = without_flags; | |
537 | n->name = &$1[1]; | |
538 | } | |
539 | else | |
540 | { | |
541 | n->with = with_flags; | |
542 | n->name = $1; | |
543 | } | |
544 | n->valid = FALSE; | |
545 | n->next = NULL; | |
546 | $$ = n; | |
547 | } | |
548 | | sect_flag_list '&' NAME | |
549 | { | |
550 | struct flag_info_list *n; | |
551 | n = ((struct flag_info_list *) xmalloc (sizeof *n)); | |
552 | if ($3[0] == '!') | |
553 | { | |
554 | n->with = without_flags; | |
555 | n->name = &$3[1]; | |
556 | } | |
557 | else | |
558 | { | |
559 | n->with = with_flags; | |
560 | n->name = $3; | |
561 | } | |
562 | n->valid = FALSE; | |
563 | n->next = $1; | |
564 | $$ = n; | |
565 | } | |
566 | ; | |
567 | ||
568 | sect_flags: | |
569 | INPUT_SECTION_FLAGS '(' sect_flag_list ')' | |
570 | { | |
571 | struct flag_info *n; | |
572 | n = ((struct flag_info *) xmalloc (sizeof *n)); | |
573 | n->flag_list = $3; | |
574 | n->flags_initialized = FALSE; | |
575 | n->not_with_flags = 0; | |
576 | n->only_with_flags = 0; | |
577 | $$ = n; | |
02ecc8e9 | 578 | } |
252b5132 RH |
579 | ; |
580 | ||
18625d54 | 581 | exclude_name_list: |
765b7cbe | 582 | exclude_name_list wildcard_name |
18625d54 CM |
583 | { |
584 | struct name_list *tmp; | |
585 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
765b7cbe | 586 | tmp->name = $2; |
18625d54 | 587 | tmp->next = $1; |
d038301c | 588 | $$ = tmp; |
18625d54 CM |
589 | } |
590 | | | |
591 | wildcard_name | |
592 | { | |
593 | struct name_list *tmp; | |
594 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
595 | tmp->name = $1; | |
596 | tmp->next = NULL; | |
597 | $$ = tmp; | |
598 | } | |
599 | ; | |
600 | ||
6b211b9c AB |
601 | section_NAME_list: |
602 | section_NAME_list opt_comma wildcard_spec | |
252b5132 | 603 | { |
b6bf44ba AM |
604 | struct wildcard_list *tmp; |
605 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
606 | tmp->next = $1; | |
607 | tmp->spec = $3; | |
608 | $$ = tmp; | |
252b5132 | 609 | } |
b6bf44ba AM |
610 | | |
611 | wildcard_spec | |
252b5132 | 612 | { |
b6bf44ba AM |
613 | struct wildcard_list *tmp; |
614 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
615 | tmp->next = NULL; | |
616 | tmp->spec = $1; | |
617 | $$ = tmp; | |
252b5132 RH |
618 | } |
619 | ; | |
620 | ||
621 | input_section_spec_no_keep: | |
622 | NAME | |
623 | { | |
b6bf44ba AM |
624 | struct wildcard_spec tmp; |
625 | tmp.name = $1; | |
626 | tmp.exclude_name_list = NULL; | |
bcaa7b3e | 627 | tmp.sorted = none; |
ae17ab41 CM |
628 | tmp.section_flag_list = NULL; |
629 | lang_add_wild (&tmp, NULL, ldgram_had_keep); | |
630 | } | |
631 | | sect_flags NAME | |
632 | { | |
633 | struct wildcard_spec tmp; | |
634 | tmp.name = $2; | |
635 | tmp.exclude_name_list = NULL; | |
636 | tmp.sorted = none; | |
637 | tmp.section_flag_list = $1; | |
b6bf44ba | 638 | lang_add_wild (&tmp, NULL, ldgram_had_keep); |
252b5132 | 639 | } |
6b211b9c | 640 | | '[' section_NAME_list ']' |
252b5132 | 641 | { |
b6bf44ba | 642 | lang_add_wild (NULL, $2, ldgram_had_keep); |
252b5132 | 643 | } |
6b211b9c | 644 | | sect_flags '[' section_NAME_list ']' |
ae17ab41 CM |
645 | { |
646 | struct wildcard_spec tmp; | |
647 | tmp.name = NULL; | |
648 | tmp.exclude_name_list = NULL; | |
649 | tmp.sorted = none; | |
650 | tmp.section_flag_list = $1; | |
09f6ed34 | 651 | lang_add_wild (&tmp, $3, ldgram_had_keep); |
ae17ab41 | 652 | } |
6b211b9c | 653 | | wildcard_spec '(' section_NAME_list ')' |
252b5132 | 654 | { |
b6bf44ba | 655 | lang_add_wild (&$1, $3, ldgram_had_keep); |
252b5132 | 656 | } |
6b211b9c | 657 | | sect_flags wildcard_spec '(' section_NAME_list ')' |
ae17ab41 CM |
658 | { |
659 | $2.section_flag_list = $1; | |
660 | lang_add_wild (&$2, $4, ldgram_had_keep); | |
661 | } | |
252b5132 RH |
662 | ; |
663 | ||
664 | input_section_spec: | |
665 | input_section_spec_no_keep | |
666 | | KEEP '(' | |
b34976b6 | 667 | { ldgram_had_keep = TRUE; } |
252b5132 | 668 | input_section_spec_no_keep ')' |
b34976b6 | 669 | { ldgram_had_keep = FALSE; } |
252b5132 RH |
670 | ; |
671 | ||
672 | statement: | |
673 | assignment end | |
674 | | CREATE_OBJECT_SYMBOLS | |
675 | { | |
d038301c | 676 | lang_add_attribute(lang_object_symbols_statement_enum); |
252b5132 RH |
677 | } |
678 | | ';' | |
679 | | CONSTRUCTORS | |
680 | { | |
d038301c RM |
681 | |
682 | lang_add_attribute(lang_constructors_statement_enum); | |
252b5132 | 683 | } |
bcaa7b3e | 684 | | SORT_BY_NAME '(' CONSTRUCTORS ')' |
252b5132 | 685 | { |
b34976b6 | 686 | constructors_sorted = TRUE; |
252b5132 RH |
687 | lang_add_attribute (lang_constructors_statement_enum); |
688 | } | |
689 | | input_section_spec | |
690 | | length '(' mustbe_exp ')' | |
691 | { | |
2c382fb6 | 692 | lang_add_data ((int) $1, $3); |
252b5132 | 693 | } |
d038301c | 694 | |
2c382fb6 | 695 | | FILL '(' fill_exp ')' |
252b5132 | 696 | { |
2c382fb6 | 697 | lang_add_fill ($3); |
252b5132 | 698 | } |
8545d1a9 NS |
699 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' end |
700 | { ldlex_popstate (); | |
701 | lang_add_assignment (exp_assert ($4, $6)); } | |
4006703d NS |
702 | | INCLUDE filename |
703 | { ldlex_script (); ldfile_open_command_file($2); } | |
704 | statement_list_opt END | |
705 | { ldlex_popstate (); } | |
252b5132 RH |
706 | ; |
707 | ||
708 | statement_list: | |
709 | statement_list statement | |
710 | | statement | |
711 | ; | |
d038301c | 712 | |
252b5132 RH |
713 | statement_list_opt: |
714 | /* empty */ | |
715 | | statement_list | |
716 | ; | |
717 | ||
718 | length: | |
719 | QUAD | |
720 | { $$ = $1; } | |
721 | | SQUAD | |
722 | { $$ = $1; } | |
723 | | LONG | |
724 | { $$ = $1; } | |
725 | | SHORT | |
726 | { $$ = $1; } | |
727 | | BYTE | |
728 | { $$ = $1; } | |
729 | ; | |
730 | ||
2c382fb6 AM |
731 | fill_exp: |
732 | mustbe_exp | |
252b5132 | 733 | { |
e9ee469a | 734 | $$ = exp_get_fill ($1, 0, "fill value"); |
252b5132 | 735 | } |
252b5132 RH |
736 | ; |
737 | ||
2c382fb6 AM |
738 | fill_opt: |
739 | '=' fill_exp | |
740 | { $$ = $2; } | |
741 | | { $$ = (fill_type *) 0; } | |
742 | ; | |
252b5132 RH |
743 | |
744 | assign_op: | |
745 | PLUSEQ | |
746 | { $$ = '+'; } | |
747 | | MINUSEQ | |
748 | { $$ = '-'; } | |
749 | | MULTEQ | |
750 | { $$ = '*'; } | |
751 | | DIVEQ | |
752 | { $$ = '/'; } | |
753 | | LSHIFTEQ | |
754 | { $$ = LSHIFT; } | |
755 | | RSHIFTEQ | |
756 | { $$ = RSHIFT; } | |
757 | | ANDEQ | |
758 | { $$ = '&'; } | |
759 | | OREQ | |
760 | { $$ = '|'; } | |
761 | ||
762 | ; | |
763 | ||
764 | end: ';' | ',' | |
765 | ; | |
766 | ||
767 | ||
768 | assignment: | |
769 | NAME '=' mustbe_exp | |
770 | { | |
eb8476a6 | 771 | lang_add_assignment (exp_assign ($1, $3, FALSE)); |
252b5132 RH |
772 | } |
773 | | NAME assign_op mustbe_exp | |
774 | { | |
2e57b2af AM |
775 | lang_add_assignment (exp_assign ($1, |
776 | exp_binop ($2, | |
777 | exp_nameop (NAME, | |
778 | $1), | |
eb8476a6 MR |
779 | $3), FALSE)); |
780 | } | |
781 | | HIDDEN '(' NAME '=' mustbe_exp ')' | |
782 | { | |
783 | lang_add_assignment (exp_assign ($3, $5, TRUE)); | |
252b5132 RH |
784 | } |
785 | | PROVIDE '(' NAME '=' mustbe_exp ')' | |
786 | { | |
7af8e998 L |
787 | lang_add_assignment (exp_provide ($3, $5, FALSE)); |
788 | } | |
789 | | PROVIDE_HIDDEN '(' NAME '=' mustbe_exp ')' | |
790 | { | |
791 | lang_add_assignment (exp_provide ($3, $5, TRUE)); | |
252b5132 RH |
792 | } |
793 | ; | |
794 | ||
795 | ||
796 | opt_comma: | |
797 | ',' | ; | |
798 | ||
799 | ||
800 | memory: | |
4006703d | 801 | MEMORY '{' memory_spec_list_opt '}' |
252b5132 RH |
802 | ; |
803 | ||
4006703d NS |
804 | memory_spec_list_opt: memory_spec_list | ; |
805 | ||
252b5132 | 806 | memory_spec_list: |
4006703d NS |
807 | memory_spec_list opt_comma memory_spec |
808 | | memory_spec | |
252b5132 RH |
809 | ; |
810 | ||
811 | ||
2d801b0f | 812 | memory_spec: NAME |
a747ee4d | 813 | { region = lang_memory_region_lookup ($1, TRUE); } |
252b5132 RH |
814 | attributes_opt ':' |
815 | origin_spec opt_comma length_spec | |
2d801b0f | 816 | {} |
4006703d NS |
817 | | INCLUDE filename |
818 | { ldlex_script (); ldfile_open_command_file($2); } | |
819 | memory_spec_list_opt END | |
820 | { ldlex_popstate (); } | |
74459f0e TW |
821 | ; |
822 | ||
823 | origin_spec: | |
252b5132 | 824 | ORIGIN '=' mustbe_exp |
e9ee469a | 825 | { |
cc9ad334 | 826 | region->origin_exp = $3; |
e9ee469a AM |
827 | region->current = region->origin; |
828 | } | |
252b5132 RH |
829 | ; |
830 | ||
831 | length_spec: | |
832 | LENGTH '=' mustbe_exp | |
e9ee469a | 833 | { |
cc9ad334 | 834 | region->length_exp = $3; |
252b5132 | 835 | } |
aa8804e4 | 836 | ; |
252b5132 RH |
837 | |
838 | attributes_opt: | |
aa8804e4 ILT |
839 | /* empty */ |
840 | { /* dummy action to avoid bison 1.25 error message */ } | |
841 | | '(' attributes_list ')' | |
842 | ; | |
843 | ||
844 | attributes_list: | |
845 | attributes_string | |
846 | | attributes_list attributes_string | |
847 | ; | |
848 | ||
849 | attributes_string: | |
850 | NAME | |
851 | { lang_set_flags (region, $1, 0); } | |
852 | | '!' NAME | |
853 | { lang_set_flags (region, $2, 1); } | |
252b5132 RH |
854 | ; |
855 | ||
856 | startup: | |
857 | STARTUP '(' filename ')' | |
858 | { lang_startup($3); } | |
859 | ; | |
860 | ||
861 | high_level_library: | |
862 | HLL '(' high_level_library_NAME_list ')' | |
863 | | HLL '(' ')' | |
864 | { ldemul_hll((char *)NULL); } | |
865 | ; | |
866 | ||
867 | high_level_library_NAME_list: | |
868 | high_level_library_NAME_list opt_comma filename | |
869 | { ldemul_hll($3); } | |
870 | | filename | |
871 | { ldemul_hll($1); } | |
872 | ||
873 | ; | |
874 | ||
875 | low_level_library: | |
876 | SYSLIB '(' low_level_library_NAME_list ')' | |
877 | ; low_level_library_NAME_list: | |
878 | low_level_library_NAME_list opt_comma filename | |
879 | { ldemul_syslib($3); } | |
880 | | | |
881 | ; | |
882 | ||
883 | floating_point_support: | |
884 | FLOAT | |
b34976b6 | 885 | { lang_float(TRUE); } |
252b5132 | 886 | | NOFLOAT |
b34976b6 | 887 | { lang_float(FALSE); } |
252b5132 | 888 | ; |
d038301c | 889 | |
252b5132 RH |
890 | nocrossref_list: |
891 | /* empty */ | |
892 | { | |
893 | $$ = NULL; | |
894 | } | |
895 | | NAME nocrossref_list | |
896 | { | |
897 | struct lang_nocrossref *n; | |
898 | ||
899 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
900 | n->name = $1; | |
901 | n->next = $2; | |
902 | $$ = n; | |
903 | } | |
904 | | NAME ',' nocrossref_list | |
905 | { | |
906 | struct lang_nocrossref *n; | |
907 | ||
908 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
909 | n->name = $1; | |
910 | n->next = $3; | |
911 | $$ = n; | |
912 | } | |
913 | ; | |
914 | ||
3ec57632 | 915 | mustbe_exp: { ldlex_expression (); } |
252b5132 | 916 | exp |
3ec57632 | 917 | { ldlex_popstate (); $$=$2;} |
252b5132 RH |
918 | ; |
919 | ||
920 | exp : | |
921 | '-' exp %prec UNARY | |
3ec57632 | 922 | { $$ = exp_unop ('-', $2); } |
252b5132 RH |
923 | | '(' exp ')' |
924 | { $$ = $2; } | |
925 | | NEXT '(' exp ')' %prec UNARY | |
3ec57632 | 926 | { $$ = exp_unop ((int) $1,$3); } |
252b5132 | 927 | | '!' exp %prec UNARY |
3ec57632 | 928 | { $$ = exp_unop ('!', $2); } |
252b5132 RH |
929 | | '+' exp %prec UNARY |
930 | { $$ = $2; } | |
931 | | '~' exp %prec UNARY | |
3ec57632 | 932 | { $$ = exp_unop ('~', $2);} |
252b5132 RH |
933 | |
934 | | exp '*' exp | |
3ec57632 | 935 | { $$ = exp_binop ('*', $1, $3); } |
252b5132 | 936 | | exp '/' exp |
3ec57632 | 937 | { $$ = exp_binop ('/', $1, $3); } |
252b5132 | 938 | | exp '%' exp |
3ec57632 | 939 | { $$ = exp_binop ('%', $1, $3); } |
252b5132 | 940 | | exp '+' exp |
3ec57632 | 941 | { $$ = exp_binop ('+', $1, $3); } |
252b5132 | 942 | | exp '-' exp |
3ec57632 | 943 | { $$ = exp_binop ('-' , $1, $3); } |
252b5132 | 944 | | exp LSHIFT exp |
3ec57632 | 945 | { $$ = exp_binop (LSHIFT , $1, $3); } |
252b5132 | 946 | | exp RSHIFT exp |
3ec57632 | 947 | { $$ = exp_binop (RSHIFT , $1, $3); } |
252b5132 | 948 | | exp EQ exp |
3ec57632 | 949 | { $$ = exp_binop (EQ , $1, $3); } |
252b5132 | 950 | | exp NE exp |
3ec57632 | 951 | { $$ = exp_binop (NE , $1, $3); } |
252b5132 | 952 | | exp LE exp |
3ec57632 | 953 | { $$ = exp_binop (LE , $1, $3); } |
252b5132 | 954 | | exp GE exp |
3ec57632 | 955 | { $$ = exp_binop (GE , $1, $3); } |
252b5132 | 956 | | exp '<' exp |
3ec57632 | 957 | { $$ = exp_binop ('<' , $1, $3); } |
252b5132 | 958 | | exp '>' exp |
3ec57632 | 959 | { $$ = exp_binop ('>' , $1, $3); } |
252b5132 | 960 | | exp '&' exp |
3ec57632 | 961 | { $$ = exp_binop ('&' , $1, $3); } |
252b5132 | 962 | | exp '^' exp |
3ec57632 | 963 | { $$ = exp_binop ('^' , $1, $3); } |
252b5132 | 964 | | exp '|' exp |
3ec57632 | 965 | { $$ = exp_binop ('|' , $1, $3); } |
252b5132 | 966 | | exp '?' exp ':' exp |
3ec57632 | 967 | { $$ = exp_trinop ('?' , $1, $3, $5); } |
252b5132 | 968 | | exp ANDAND exp |
3ec57632 | 969 | { $$ = exp_binop (ANDAND , $1, $3); } |
252b5132 | 970 | | exp OROR exp |
3ec57632 | 971 | { $$ = exp_binop (OROR , $1, $3); } |
252b5132 | 972 | | DEFINED '(' NAME ')' |
3ec57632 | 973 | { $$ = exp_nameop (DEFINED, $3); } |
252b5132 | 974 | | INT |
2c382fb6 | 975 | { $$ = exp_bigintop ($1.integer, $1.str); } |
252b5132 | 976 | | SIZEOF_HEADERS |
3ec57632 | 977 | { $$ = exp_nameop (SIZEOF_HEADERS,0); } |
252b5132 | 978 | |
5d41b3ef NS |
979 | | ALIGNOF '(' NAME ')' |
980 | { $$ = exp_nameop (ALIGNOF,$3); } | |
252b5132 | 981 | | SIZEOF '(' NAME ')' |
3ec57632 | 982 | { $$ = exp_nameop (SIZEOF,$3); } |
252b5132 | 983 | | ADDR '(' NAME ')' |
3ec57632 | 984 | { $$ = exp_nameop (ADDR,$3); } |
252b5132 | 985 | | LOADADDR '(' NAME ')' |
3ec57632 | 986 | { $$ = exp_nameop (LOADADDR,$3); } |
24718e3b L |
987 | | CONSTANT '(' NAME ')' |
988 | { $$ = exp_nameop (CONSTANT,$3); } | |
252b5132 | 989 | | ABSOLUTE '(' exp ')' |
3ec57632 | 990 | { $$ = exp_unop (ABSOLUTE, $3); } |
252b5132 | 991 | | ALIGN_K '(' exp ')' |
3ec57632 | 992 | { $$ = exp_unop (ALIGN_K,$3); } |
876f4090 | 993 | | ALIGN_K '(' exp ',' exp ')' |
3ec57632 | 994 | { $$ = exp_binop (ALIGN_K,$3,$5); } |
2d20f7bf JJ |
995 | | DATA_SEGMENT_ALIGN '(' exp ',' exp ')' |
996 | { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); } | |
a4f5ad88 JJ |
997 | | DATA_SEGMENT_RELRO_END '(' exp ',' exp ')' |
998 | { $$ = exp_binop (DATA_SEGMENT_RELRO_END, $5, $3); } | |
2d20f7bf | 999 | | DATA_SEGMENT_END '(' exp ')' |
3ec57632 | 1000 | { $$ = exp_unop (DATA_SEGMENT_END, $3); } |
ba916c8a MM |
1001 | | SEGMENT_START '(' NAME ',' exp ')' |
1002 | { /* The operands to the expression node are | |
1003 | placed in the opposite order from the way | |
1004 | in which they appear in the script as | |
1005 | that allows us to reuse more code in | |
1006 | fold_binary. */ | |
1007 | $$ = exp_binop (SEGMENT_START, | |
1008 | $5, | |
1009 | exp_nameop (NAME, $3)); } | |
252b5132 | 1010 | | BLOCK '(' exp ')' |
3ec57632 | 1011 | { $$ = exp_unop (ALIGN_K,$3); } |
252b5132 | 1012 | | NAME |
3ec57632 | 1013 | { $$ = exp_nameop (NAME,$1); } |
252b5132 RH |
1014 | | MAX_K '(' exp ',' exp ')' |
1015 | { $$ = exp_binop (MAX_K, $3, $5 ); } | |
1016 | | MIN_K '(' exp ',' exp ')' | |
1017 | { $$ = exp_binop (MIN_K, $3, $5 ); } | |
1018 | | ASSERT_K '(' exp ',' NAME ')' | |
1019 | { $$ = exp_assert ($3, $5); } | |
3ec57632 NC |
1020 | | ORIGIN '(' NAME ')' |
1021 | { $$ = exp_nameop (ORIGIN, $3); } | |
1022 | | LENGTH '(' NAME ')' | |
1023 | { $$ = exp_nameop (LENGTH, $3); } | |
2e53f7d6 NC |
1024 | | LOG2CEIL '(' exp ')' |
1025 | { $$ = exp_unop (LOG2CEIL, $3); } | |
252b5132 RH |
1026 | ; |
1027 | ||
1028 | ||
562d3460 TW |
1029 | memspec_at_opt: |
1030 | AT '>' NAME { $$ = $3; } | |
9f88b410 | 1031 | | { $$ = 0; } |
562d3460 TW |
1032 | ; |
1033 | ||
252b5132 RH |
1034 | opt_at: |
1035 | AT '(' exp ')' { $$ = $3; } | |
1036 | | { $$ = 0; } | |
1037 | ; | |
1038 | ||
bbf115d3 L |
1039 | opt_align: |
1040 | ALIGN_K '(' exp ')' { $$ = $3; } | |
1041 | | { $$ = 0; } | |
1042 | ; | |
1043 | ||
1eec346e NC |
1044 | opt_align_with_input: |
1045 | ALIGN_WITH_INPUT { $$ = ALIGN_WITH_INPUT; } | |
1046 | | { $$ = 0; } | |
1047 | ; | |
1048 | ||
7e7d5768 AM |
1049 | opt_subalign: |
1050 | SUBALIGN '(' exp ')' { $$ = $3; } | |
1051 | | { $$ = 0; } | |
1052 | ; | |
1053 | ||
0841712e JJ |
1054 | sect_constraint: |
1055 | ONLY_IF_RO { $$ = ONLY_IF_RO; } | |
1056 | | ONLY_IF_RW { $$ = ONLY_IF_RW; } | |
0cf7d72c | 1057 | | SPECIAL { $$ = SPECIAL; } |
0841712e JJ |
1058 | | { $$ = 0; } |
1059 | ; | |
1060 | ||
252b5132 | 1061 | section: NAME { ldlex_expression(); } |
d038301c | 1062 | opt_exp_with_type |
7e7d5768 | 1063 | opt_at |
bbf115d3 | 1064 | opt_align |
1eec346e | 1065 | opt_align_with_input |
7e7d5768 | 1066 | opt_subalign { ldlex_popstate (); ldlex_script (); } |
0841712e | 1067 | sect_constraint |
252b5132 RH |
1068 | '{' |
1069 | { | |
1070 | lang_enter_output_section_statement($1, $3, | |
1071 | sectype, | |
1eec346e | 1072 | $5, $7, $4, $9, $6); |
252b5132 | 1073 | } |
d038301c | 1074 | statement_list_opt |
252b5132 | 1075 | '}' { ldlex_popstate (); ldlex_expression (); } |
562d3460 | 1076 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 RH |
1077 | { |
1078 | ldlex_popstate (); | |
1eec346e | 1079 | lang_leave_output_section_statement ($18, $15, $17, $16); |
252b5132 RH |
1080 | } |
1081 | opt_comma | |
2d801b0f | 1082 | {} |
252b5132 RH |
1083 | | OVERLAY |
1084 | { ldlex_expression (); } | |
7e7d5768 | 1085 | opt_exp_without_type opt_nocrossrefs opt_at opt_subalign |
252b5132 | 1086 | { ldlex_popstate (); ldlex_script (); } |
d038301c | 1087 | '{' |
252b5132 | 1088 | { |
7e7d5768 | 1089 | lang_enter_overlay ($3, $6); |
252b5132 RH |
1090 | } |
1091 | overlay_section | |
1092 | '}' | |
1093 | { ldlex_popstate (); ldlex_expression (); } | |
562d3460 | 1094 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 RH |
1095 | { |
1096 | ldlex_popstate (); | |
9f88b410 | 1097 | lang_leave_overlay ($5, (int) $4, |
7e7d5768 | 1098 | $16, $13, $15, $14); |
252b5132 RH |
1099 | } |
1100 | opt_comma | |
1101 | | /* The GROUP case is just enough to support the gcc | |
1102 | svr3.ifile script. It is not intended to be full | |
1103 | support. I'm not even sure what GROUP is supposed | |
1104 | to mean. */ | |
1105 | GROUP { ldlex_expression (); } | |
1106 | opt_exp_with_type | |
1107 | { | |
1108 | ldlex_popstate (); | |
eb8476a6 | 1109 | lang_add_assignment (exp_assign (".", $3, FALSE)); |
252b5132 RH |
1110 | } |
1111 | '{' sec_or_group_p1 '}' | |
4006703d NS |
1112 | | INCLUDE filename |
1113 | { ldlex_script (); ldfile_open_command_file($2); } | |
1114 | sec_or_group_p1 END | |
1115 | { ldlex_popstate (); } | |
252b5132 RH |
1116 | ; |
1117 | ||
1118 | type: | |
1119 | NOLOAD { sectype = noload_section; } | |
02a38f92 AM |
1120 | | DSECT { sectype = noalloc_section; } |
1121 | | COPY { sectype = noalloc_section; } | |
1122 | | INFO { sectype = noalloc_section; } | |
1123 | | OVERLAY { sectype = noalloc_section; } | |
252b5132 RH |
1124 | ; |
1125 | ||
1126 | atype: | |
1127 | '(' type ')' | |
1128 | | /* EMPTY */ { sectype = normal_section; } | |
1129 | | '(' ')' { sectype = normal_section; } | |
1130 | ; | |
1131 | ||
1132 | opt_exp_with_type: | |
1133 | exp atype ':' { $$ = $1; } | |
1134 | | atype ':' { $$ = (etree_type *)NULL; } | |
1135 | | /* The BIND cases are to support the gcc svr3.ifile | |
1136 | script. They aren't intended to implement full | |
1137 | support for the BIND keyword. I'm not even sure | |
1138 | what BIND is supposed to mean. */ | |
1139 | BIND '(' exp ')' atype ':' { $$ = $3; } | |
1140 | | BIND '(' exp ')' BLOCK '(' exp ')' atype ':' | |
1141 | { $$ = $3; } | |
1142 | ; | |
1143 | ||
1144 | opt_exp_without_type: | |
1145 | exp ':' { $$ = $1; } | |
1146 | | ':' { $$ = (etree_type *) NULL; } | |
1147 | ; | |
1148 | ||
1149 | opt_nocrossrefs: | |
1150 | /* empty */ | |
1151 | { $$ = 0; } | |
1152 | | NOCROSSREFS | |
1153 | { $$ = 1; } | |
1154 | ; | |
1155 | ||
1156 | memspec_opt: | |
1157 | '>' NAME | |
1158 | { $$ = $2; } | |
a747ee4d | 1159 | | { $$ = DEFAULT_MEMORY_REGION; } |
252b5132 RH |
1160 | ; |
1161 | ||
1162 | phdr_opt: | |
1163 | /* empty */ | |
1164 | { | |
1165 | $$ = NULL; | |
1166 | } | |
1167 | | phdr_opt ':' NAME | |
1168 | { | |
1169 | struct lang_output_section_phdr_list *n; | |
1170 | ||
1171 | n = ((struct lang_output_section_phdr_list *) | |
1172 | xmalloc (sizeof *n)); | |
1173 | n->name = $3; | |
b34976b6 | 1174 | n->used = FALSE; |
252b5132 RH |
1175 | n->next = $1; |
1176 | $$ = n; | |
1177 | } | |
1178 | ; | |
1179 | ||
1180 | overlay_section: | |
1181 | /* empty */ | |
1182 | | overlay_section | |
1183 | NAME | |
1184 | { | |
1185 | ldlex_script (); | |
1186 | lang_enter_overlay_section ($2); | |
1187 | } | |
1188 | '{' statement_list_opt '}' | |
1189 | { ldlex_popstate (); ldlex_expression (); } | |
1190 | phdr_opt fill_opt | |
1191 | { | |
1192 | ldlex_popstate (); | |
1193 | lang_leave_overlay_section ($9, $8); | |
1194 | } | |
1195 | opt_comma | |
1196 | ; | |
1197 | ||
1198 | phdrs: | |
1199 | PHDRS '{' phdr_list '}' | |
1200 | ; | |
1201 | ||
1202 | phdr_list: | |
1203 | /* empty */ | |
1204 | | phdr_list phdr | |
1205 | ; | |
1206 | ||
1207 | phdr: | |
1208 | NAME { ldlex_expression (); } | |
1209 | phdr_type phdr_qualifiers { ldlex_popstate (); } | |
1210 | ';' | |
1211 | { | |
1212 | lang_new_phdr ($1, $3, $4.filehdr, $4.phdrs, $4.at, | |
1213 | $4.flags); | |
1214 | } | |
1215 | ; | |
1216 | ||
1217 | phdr_type: | |
1218 | exp | |
1219 | { | |
1220 | $$ = $1; | |
1221 | ||
1222 | if ($1->type.node_class == etree_name | |
1223 | && $1->type.node_code == NAME) | |
1224 | { | |
1225 | const char *s; | |
1226 | unsigned int i; | |
1227 | static const char * const phdr_types[] = | |
1228 | { | |
1229 | "PT_NULL", "PT_LOAD", "PT_DYNAMIC", | |
1230 | "PT_INTERP", "PT_NOTE", "PT_SHLIB", | |
d038301c | 1231 | "PT_PHDR", "PT_TLS" |
252b5132 RH |
1232 | }; |
1233 | ||
1234 | s = $1->name.name; | |
1235 | for (i = 0; | |
1236 | i < sizeof phdr_types / sizeof phdr_types[0]; | |
1237 | i++) | |
1238 | if (strcmp (s, phdr_types[i]) == 0) | |
1239 | { | |
1240 | $$ = exp_intop (i); | |
1241 | break; | |
1242 | } | |
d038301c RM |
1243 | if (i == sizeof phdr_types / sizeof phdr_types[0]) |
1244 | { | |
1245 | if (strcmp (s, "PT_GNU_EH_FRAME") == 0) | |
1246 | $$ = exp_intop (0x6474e550); | |
9ee5e499 JJ |
1247 | else if (strcmp (s, "PT_GNU_STACK") == 0) |
1248 | $$ = exp_intop (0x6474e551); | |
d038301c RM |
1249 | else |
1250 | { | |
1251 | einfo (_("\ | |
1252 | %X%P:%S: unknown phdr type `%s' (try integer literal)\n"), | |
dab69f68 | 1253 | NULL, s); |
d038301c RM |
1254 | $$ = exp_intop (0); |
1255 | } | |
1256 | } | |
252b5132 RH |
1257 | } |
1258 | } | |
1259 | ; | |
1260 | ||
1261 | phdr_qualifiers: | |
1262 | /* empty */ | |
1263 | { | |
1264 | memset (&$$, 0, sizeof (struct phdr_info)); | |
1265 | } | |
1266 | | NAME phdr_val phdr_qualifiers | |
1267 | { | |
1268 | $$ = $3; | |
1269 | if (strcmp ($1, "FILEHDR") == 0 && $2 == NULL) | |
b34976b6 | 1270 | $$.filehdr = TRUE; |
252b5132 | 1271 | else if (strcmp ($1, "PHDRS") == 0 && $2 == NULL) |
b34976b6 | 1272 | $$.phdrs = TRUE; |
252b5132 RH |
1273 | else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL) |
1274 | $$.flags = $2; | |
1275 | else | |
dab69f68 AM |
1276 | einfo (_("%X%P:%S: PHDRS syntax error at `%s'\n"), |
1277 | NULL, $1); | |
252b5132 RH |
1278 | } |
1279 | | AT '(' exp ')' phdr_qualifiers | |
1280 | { | |
1281 | $$ = $5; | |
1282 | $$.at = $3; | |
1283 | } | |
1284 | ; | |
1285 | ||
1286 | phdr_val: | |
1287 | /* empty */ | |
1288 | { | |
1289 | $$ = NULL; | |
1290 | } | |
1291 | | '(' exp ')' | |
1292 | { | |
1293 | $$ = $2; | |
1294 | } | |
1295 | ; | |
1296 | ||
55255dae L |
1297 | dynamic_list_file: |
1298 | { | |
1299 | ldlex_version_file (); | |
1300 | PUSH_ERROR (_("dynamic list")); | |
1301 | } | |
1302 | dynamic_list_nodes | |
1303 | { | |
1304 | ldlex_popstate (); | |
1305 | POP_ERROR (); | |
1306 | } | |
1307 | ; | |
1308 | ||
1309 | dynamic_list_nodes: | |
1310 | dynamic_list_node | |
1311 | | dynamic_list_nodes dynamic_list_node | |
1312 | ; | |
1313 | ||
1314 | dynamic_list_node: | |
1315 | '{' dynamic_list_tag '}' ';' | |
1316 | ; | |
1317 | ||
1318 | dynamic_list_tag: | |
1319 | vers_defns ';' | |
1320 | { | |
1321 | lang_append_dynamic_list ($1); | |
1322 | } | |
1323 | ; | |
1324 | ||
252b5132 RH |
1325 | /* This syntax is used within an external version script file. */ |
1326 | ||
1327 | version_script_file: | |
1328 | { | |
1329 | ldlex_version_file (); | |
1330 | PUSH_ERROR (_("VERSION script")); | |
1331 | } | |
1332 | vers_nodes | |
1333 | { | |
1334 | ldlex_popstate (); | |
1335 | POP_ERROR (); | |
1336 | } | |
1337 | ; | |
1338 | ||
1339 | /* This is used within a normal linker script file. */ | |
1340 | ||
1341 | version: | |
1342 | { | |
1343 | ldlex_version_script (); | |
1344 | } | |
1345 | VERSIONK '{' vers_nodes '}' | |
1346 | { | |
1347 | ldlex_popstate (); | |
1348 | } | |
1349 | ; | |
1350 | ||
1351 | vers_nodes: | |
1352 | vers_node | |
1353 | | vers_nodes vers_node | |
1354 | ; | |
1355 | ||
1356 | vers_node: | |
6b9b879a JJ |
1357 | '{' vers_tag '}' ';' |
1358 | { | |
1359 | lang_register_vers_node (NULL, $2, NULL); | |
1360 | } | |
1361 | | VERS_TAG '{' vers_tag '}' ';' | |
252b5132 RH |
1362 | { |
1363 | lang_register_vers_node ($1, $3, NULL); | |
1364 | } | |
1365 | | VERS_TAG '{' vers_tag '}' verdep ';' | |
1366 | { | |
1367 | lang_register_vers_node ($1, $3, $5); | |
1368 | } | |
1369 | ; | |
1370 | ||
1371 | verdep: | |
1372 | VERS_TAG | |
1373 | { | |
1374 | $$ = lang_add_vers_depend (NULL, $1); | |
1375 | } | |
1376 | | verdep VERS_TAG | |
1377 | { | |
1378 | $$ = lang_add_vers_depend ($1, $2); | |
1379 | } | |
1380 | ; | |
1381 | ||
1382 | vers_tag: | |
1383 | /* empty */ | |
1384 | { | |
1385 | $$ = lang_new_vers_node (NULL, NULL); | |
1386 | } | |
1387 | | vers_defns ';' | |
1388 | { | |
1389 | $$ = lang_new_vers_node ($1, NULL); | |
1390 | } | |
1391 | | GLOBAL ':' vers_defns ';' | |
1392 | { | |
1393 | $$ = lang_new_vers_node ($3, NULL); | |
1394 | } | |
1395 | | LOCAL ':' vers_defns ';' | |
1396 | { | |
1397 | $$ = lang_new_vers_node (NULL, $3); | |
1398 | } | |
1399 | | GLOBAL ':' vers_defns ';' LOCAL ':' vers_defns ';' | |
1400 | { | |
1401 | $$ = lang_new_vers_node ($3, $7); | |
1402 | } | |
1403 | ; | |
1404 | ||
1405 | vers_defns: | |
1406 | VERS_IDENTIFIER | |
1407 | { | |
86043bbb MM |
1408 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, FALSE); |
1409 | } | |
1410 | | NAME | |
1411 | { | |
1412 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, TRUE); | |
252b5132 RH |
1413 | } |
1414 | | vers_defns ';' VERS_IDENTIFIER | |
1415 | { | |
86043bbb MM |
1416 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, FALSE); |
1417 | } | |
1418 | | vers_defns ';' NAME | |
1419 | { | |
1420 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, TRUE); | |
252b5132 | 1421 | } |
8e23b15d AM |
1422 | | vers_defns ';' EXTERN NAME '{' |
1423 | { | |
1424 | $<name>$ = ldgram_vers_current_lang; | |
1425 | ldgram_vers_current_lang = $4; | |
1426 | } | |
1427 | vers_defns opt_semicolon '}' | |
1428 | { | |
96f8ade5 JJ |
1429 | struct bfd_elf_version_expr *pat; |
1430 | for (pat = $7; pat->next != NULL; pat = pat->next); | |
1431 | pat->next = $1; | |
8e23b15d AM |
1432 | $$ = $7; |
1433 | ldgram_vers_current_lang = $<name>6; | |
1434 | } | |
252b5132 RH |
1435 | | EXTERN NAME '{' |
1436 | { | |
1437 | $<name>$ = ldgram_vers_current_lang; | |
1438 | ldgram_vers_current_lang = $2; | |
1439 | } | |
8e23b15d | 1440 | vers_defns opt_semicolon '}' |
252b5132 | 1441 | { |
e06cae36 | 1442 | $$ = $5; |
252b5132 RH |
1443 | ldgram_vers_current_lang = $<name>4; |
1444 | } | |
96f8ade5 JJ |
1445 | | GLOBAL |
1446 | { | |
86043bbb | 1447 | $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1448 | } |
1449 | | vers_defns ';' GLOBAL | |
1450 | { | |
86043bbb | 1451 | $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1452 | } |
1453 | | LOCAL | |
1454 | { | |
86043bbb | 1455 | $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1456 | } |
1457 | | vers_defns ';' LOCAL | |
1458 | { | |
86043bbb | 1459 | $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1460 | } |
1461 | | EXTERN | |
1462 | { | |
86043bbb | 1463 | $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang, FALSE); |
96f8ade5 JJ |
1464 | } |
1465 | | vers_defns ';' EXTERN | |
1466 | { | |
86043bbb | 1467 | $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang, FALSE); |
96f8ade5 | 1468 | } |
252b5132 RH |
1469 | ; |
1470 | ||
8e23b15d AM |
1471 | opt_semicolon: |
1472 | /* empty */ | |
1473 | | ';' | |
1474 | ; | |
1475 | ||
252b5132 RH |
1476 | %% |
1477 | void | |
d038301c | 1478 | yyerror(arg) |
252b5132 | 1479 | const char *arg; |
d038301c | 1480 | { |
252b5132 RH |
1481 | if (ldfile_assumed_script) |
1482 | einfo (_("%P:%s: file format not recognized; treating as linker script\n"), | |
dab69f68 | 1483 | ldlex_filename ()); |
252b5132 | 1484 | if (error_index > 0 && error_index < ERROR_NAME_MAX) |
dab69f68 | 1485 | einfo ("%P%F:%S: %s in %s\n", NULL, arg, error_names[error_index - 1]); |
252b5132 | 1486 | else |
dab69f68 | 1487 | einfo ("%P%F:%S: %s\n", NULL, arg); |
252b5132 | 1488 | } |