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Commit | Line | Data |
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8e5a525c | 1 | /* A YACC grammar to parse a superset of the AT&T linker scripting language. |
250d07de | 2 | Copyright (C) 1991-2021 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" |
1ff6de03 | 32 | #include "ctf-api.h" |
d038301c | 33 | #include "ld.h" |
252b5132 RH |
34 | #include "ldexp.h" |
35 | #include "ldver.h" | |
36 | #include "ldlang.h" | |
252b5132 | 37 | #include "ldfile.h" |
b71e2778 | 38 | #include "ldemul.h" |
252b5132 RH |
39 | #include "ldmisc.h" |
40 | #include "ldmain.h" | |
41 | #include "mri.h" | |
42 | #include "ldctor.h" | |
43 | #include "ldlex.h" | |
44 | ||
45 | #ifndef YYDEBUG | |
46 | #define YYDEBUG 1 | |
47 | #endif | |
48 | ||
49 | static enum section_type sectype; | |
279e75dc | 50 | static lang_memory_region_type *region; |
252b5132 | 51 | |
f38a2680 | 52 | static bool ldgram_had_keep = false; |
2b94abd4 | 53 | static char *ldgram_vers_current_lang = NULL; |
252b5132 RH |
54 | |
55 | #define ERROR_NAME_MAX 20 | |
56 | static char *error_names[ERROR_NAME_MAX]; | |
57 | static int error_index; | |
58 | #define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++; | |
59 | #define POP_ERROR() error_index--; | |
60 | %} | |
61 | %union { | |
62 | bfd_vma integer; | |
2c382fb6 AM |
63 | struct big_int |
64 | { | |
65 | bfd_vma integer; | |
66 | char *str; | |
67 | } bigint; | |
68 | fill_type *fill; | |
252b5132 RH |
69 | char *name; |
70 | const char *cname; | |
71 | struct wildcard_spec wildcard; | |
b6bf44ba | 72 | struct wildcard_list *wildcard_list; |
18625d54 | 73 | struct name_list *name_list; |
ae17ab41 CM |
74 | struct flag_info_list *flag_info_list; |
75 | struct flag_info *flag_info; | |
252b5132 RH |
76 | int token; |
77 | union etree_union *etree; | |
78 | struct phdr_info | |
79 | { | |
f38a2680 AM |
80 | bool filehdr; |
81 | bool phdrs; | |
252b5132 RH |
82 | union etree_union *at; |
83 | union etree_union *flags; | |
84 | } phdr; | |
85 | struct lang_nocrossref *nocrossref; | |
86 | struct lang_output_section_phdr_list *section_phdr; | |
87 | struct bfd_elf_version_deps *deflist; | |
88 | struct bfd_elf_version_expr *versyms; | |
89 | struct bfd_elf_version_tree *versnode; | |
90 | } | |
91 | ||
92 | %type <etree> exp opt_exp_with_type mustbe_exp opt_at phdr_type phdr_val | |
bbf115d3 | 93 | %type <etree> opt_exp_without_type opt_subalign opt_align |
2c382fb6 | 94 | %type <fill> fill_opt fill_exp |
18625d54 | 95 | %type <name_list> exclude_name_list |
2b94abd4 | 96 | %type <wildcard_list> section_name_list |
ae17ab41 CM |
97 | %type <flag_info_list> sect_flag_list |
98 | %type <flag_info> sect_flags | |
252b5132 | 99 | %type <name> memspec_opt casesymlist |
562d3460 | 100 | %type <name> memspec_at_opt |
252b5132 | 101 | %type <cname> wildcard_name |
2b94abd4 | 102 | %type <wildcard> section_name_spec filename_spec wildcard_maybe_exclude |
d038301c | 103 | %token <bigint> INT |
252b5132 RH |
104 | %token <name> NAME LNAME |
105 | %type <integer> length | |
106 | %type <phdr> phdr_qualifiers | |
107 | %type <nocrossref> nocrossref_list | |
108 | %type <section_phdr> phdr_opt | |
109 | %type <integer> opt_nocrossrefs | |
110 | ||
d038301c | 111 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ |
252b5132 RH |
112 | %right <token> '?' ':' |
113 | %left <token> OROR | |
114 | %left <token> ANDAND | |
115 | %left <token> '|' | |
116 | %left <token> '^' | |
117 | %left <token> '&' | |
118 | %left <token> EQ NE | |
119 | %left <token> '<' '>' LE GE | |
120 | %left <token> LSHIFT RSHIFT | |
121 | ||
122 | %left <token> '+' '-' | |
123 | %left <token> '*' '/' '%' | |
124 | ||
125 | %right UNARY | |
d038301c | 126 | %token END |
252b5132 RH |
127 | %left <token> '(' |
128 | %token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE | |
53d25da6 AM |
129 | %token SECTIONS PHDRS INSERT_K AFTER BEFORE |
130 | %token DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END | |
eda680f8 | 131 | %token SORT_BY_NAME SORT_BY_ALIGNMENT SORT_NONE |
02ecc8e9 | 132 | %token SORT_BY_INIT_PRIORITY |
252b5132 RH |
133 | %token '{' '}' |
134 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH | |
7bdf4127 | 135 | %token INHIBIT_COMMON_ALLOCATION FORCE_GROUP_ALLOCATION |
ba916c8a | 136 | %token SEGMENT_START |
252b5132 | 137 | %token INCLUDE |
ed9ef263 | 138 | %token MEMORY |
4a93e180 | 139 | %token REGION_ALIAS |
01554a74 | 140 | %token LD_FEATURE |
252b5132 | 141 | %token NOLOAD DSECT COPY INFO OVERLAY |
6b86da53 | 142 | %token READONLY |
ed9ef263 | 143 | %token DEFINED TARGET_K SEARCH_DIR MAP ENTRY |
252b5132 | 144 | %token <integer> NEXT |
5d41b3ef | 145 | %token SIZEOF ALIGNOF ADDR LOADADDR MAX_K MIN_K |
cdf96953 | 146 | %token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS NOCROSSREFS_TO |
252b5132 RH |
147 | %token ORIGIN FILL |
148 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS | |
eb8476a6 | 149 | %token ALIGNMOD AT SUBALIGN HIDDEN PROVIDE PROVIDE_HIDDEN AS_NEEDED |
1eec346e | 150 | %type <token> assign_op atype attributes_opt sect_constraint opt_align_with_input |
252b5132 RH |
151 | %type <name> filename |
152 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K | |
2e53f7d6 | 153 | %token LOG2CEIL FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL |
252b5132 RH |
154 | %token INPUT_SCRIPT INPUT_MRI_SCRIPT INPUT_DEFSYM CASE EXTERN START |
155 | %token <name> VERS_TAG VERS_IDENTIFIER | |
156 | %token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT | |
1eec346e | 157 | %token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL INPUT_SECTION_FLAGS ALIGN_WITH_INPUT |
252b5132 | 158 | %token EXCLUDE_FILE |
24718e3b | 159 | %token CONSTANT |
252b5132 RH |
160 | %type <versyms> vers_defns |
161 | %type <versnode> vers_tag | |
162 | %type <deflist> verdep | |
55255dae | 163 | %token INPUT_DYNAMIC_LIST |
252b5132 RH |
164 | |
165 | %% | |
166 | ||
d038301c | 167 | file: |
252b5132 RH |
168 | INPUT_SCRIPT script_file |
169 | | INPUT_MRI_SCRIPT mri_script_file | |
170 | | INPUT_VERSION_SCRIPT version_script_file | |
55255dae | 171 | | INPUT_DYNAMIC_LIST dynamic_list_file |
252b5132 RH |
172 | | INPUT_DEFSYM defsym_expr |
173 | ; | |
174 | ||
175 | ||
176 | filename: NAME; | |
177 | ||
178 | ||
179 | defsym_expr: | |
fb6c220e AM |
180 | { ldlex_expression(); } |
181 | assignment | |
182 | { ldlex_popstate(); } | |
944cd72c | 183 | ; |
252b5132 | 184 | |
d038301c | 185 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
252b5132 RH |
186 | mri_script_file: |
187 | { | |
188 | ldlex_mri_script (); | |
189 | PUSH_ERROR (_("MRI style script")); | |
190 | } | |
191 | mri_script_lines | |
192 | { | |
193 | ldlex_popstate (); | |
194 | mri_draw_tree (); | |
195 | POP_ERROR (); | |
196 | } | |
197 | ; | |
198 | ||
199 | mri_script_lines: | |
200 | mri_script_lines mri_script_command NEWLINE | |
6c19b93b | 201 | | |
252b5132 RH |
202 | ; |
203 | ||
204 | mri_script_command: | |
d038301c | 205 | CHIP exp |
252b5132 | 206 | | CHIP exp ',' exp |
6c19b93b | 207 | | NAME { |
df5f2391 | 208 | einfo(_("%F%P: unrecognised keyword in MRI style script '%s'\n"),$1); |
252b5132 | 209 | } |
6c19b93b | 210 | | LIST { |
252b5132 RH |
211 | config.map_filename = "-"; |
212 | } | |
6c19b93b AM |
213 | | ORDER ordernamelist |
214 | | ENDWORD | |
215 | | PUBLIC NAME '=' exp | |
216 | { mri_public($2, $4); } | |
217 | | PUBLIC NAME ',' exp | |
218 | { mri_public($2, $4); } | |
219 | | PUBLIC NAME exp | |
220 | { mri_public($2, $3); } | |
221 | | FORMAT NAME | |
252b5132 RH |
222 | { mri_format($2); } |
223 | | SECT NAME ',' exp | |
224 | { mri_output_section($2, $4);} | |
225 | | SECT NAME exp | |
226 | { mri_output_section($2, $3);} | |
227 | | SECT NAME '=' exp | |
228 | { mri_output_section($2, $4);} | |
229 | | ALIGN_K NAME '=' exp | |
230 | { mri_align($2,$4); } | |
231 | | ALIGN_K NAME ',' exp | |
232 | { mri_align($2,$4); } | |
233 | | ALIGNMOD NAME '=' exp | |
234 | { mri_alignmod($2,$4); } | |
235 | | ALIGNMOD NAME ',' exp | |
236 | { mri_alignmod($2,$4); } | |
237 | | ABSOLUTE mri_abs_name_list | |
238 | | LOAD mri_load_name_list | |
6c19b93b | 239 | | NAMEWORD NAME |
d038301c | 240 | { mri_name($2); } |
252b5132 RH |
241 | | ALIAS NAME ',' NAME |
242 | { mri_alias($2,$4,0);} | |
243 | | ALIAS NAME ',' INT | |
2c382fb6 | 244 | { mri_alias ($2, 0, (int) $4.integer); } |
6c19b93b | 245 | | BASE exp |
252b5132 | 246 | { mri_base($2); } |
2c382fb6 AM |
247 | | TRUNCATE INT |
248 | { mri_truncate ((unsigned int) $2.integer); } | |
252b5132 RH |
249 | | CASE casesymlist |
250 | | EXTERN extern_name_list | |
251 | | INCLUDE filename | |
b47c4208 AM |
252 | { ldlex_script (); ldfile_open_command_file($2); } |
253 | mri_script_lines END | |
254 | { ldlex_popstate (); } | |
252b5132 | 255 | | START NAME |
f38a2680 | 256 | { lang_add_entry ($2, false); } |
6c19b93b | 257 | | |
252b5132 RH |
258 | ; |
259 | ||
260 | ordernamelist: | |
6c19b93b AM |
261 | ordernamelist ',' NAME { mri_order($3); } |
262 | | ordernamelist NAME { mri_order($2); } | |
263 | | | |
252b5132 RH |
264 | ; |
265 | ||
266 | mri_load_name_list: | |
267 | NAME | |
268 | { mri_load($1); } | |
269 | | mri_load_name_list ',' NAME { mri_load($3); } | |
270 | ; | |
271 | ||
272 | mri_abs_name_list: | |
6c19b93b AM |
273 | NAME |
274 | { mri_only_load($1); } | |
252b5132 | 275 | | mri_abs_name_list ',' NAME |
6c19b93b | 276 | { mri_only_load($3); } |
252b5132 RH |
277 | ; |
278 | ||
279 | casesymlist: | |
280 | /* empty */ { $$ = NULL; } | |
281 | | NAME | |
282 | | casesymlist ',' NAME | |
283 | ; | |
284 | ||
8545d1a9 | 285 | /* Parsed as expressions so that commas separate entries */ |
252b5132 | 286 | extern_name_list: |
8545d1a9 NS |
287 | { ldlex_expression (); } |
288 | extern_name_list_body | |
289 | { ldlex_popstate (); } | |
290 | ||
291 | extern_name_list_body: | |
252b5132 | 292 | NAME |
f38a2680 | 293 | { ldlang_add_undef ($1, false); } |
8545d1a9 | 294 | | extern_name_list_body NAME |
f38a2680 | 295 | { ldlang_add_undef ($2, false); } |
8545d1a9 | 296 | | extern_name_list_body ',' NAME |
f38a2680 | 297 | { ldlang_add_undef ($3, false); } |
252b5132 RH |
298 | ; |
299 | ||
300 | script_file: | |
8545d1a9 NS |
301 | { ldlex_both(); } |
302 | ifile_list | |
303 | { ldlex_popstate(); } | |
6c19b93b | 304 | ; |
252b5132 | 305 | |
252b5132 | 306 | ifile_list: |
8545d1a9 | 307 | ifile_list ifile_p1 |
6c19b93b | 308 | | |
252b5132 RH |
309 | ; |
310 | ||
311 | ||
252b5132 RH |
312 | ifile_p1: |
313 | memory | |
314 | | sections | |
315 | | phdrs | |
316 | | startup | |
317 | | high_level_library | |
318 | | low_level_library | |
319 | | floating_point_support | |
320 | | statement_anywhere | |
321 | | version | |
6c19b93b | 322 | | ';' |
252b5132 RH |
323 | | TARGET_K '(' NAME ')' |
324 | { lang_add_target($3); } | |
325 | | SEARCH_DIR '(' filename ')' | |
f38a2680 | 326 | { ldfile_add_library_path ($3, false); } |
252b5132 RH |
327 | | OUTPUT '(' filename ')' |
328 | { lang_add_output($3, 1); } | |
6c19b93b | 329 | | OUTPUT_FORMAT '(' NAME ')' |
252b5132 RH |
330 | { lang_add_output_format ($3, (char *) NULL, |
331 | (char *) NULL, 1); } | |
332 | | OUTPUT_FORMAT '(' NAME ',' NAME ',' NAME ')' | |
333 | { lang_add_output_format ($3, $5, $7, 1); } | |
6c19b93b | 334 | | OUTPUT_ARCH '(' NAME ')' |
5e2f1575 | 335 | { ldfile_set_output_arch ($3, bfd_arch_unknown); } |
252b5132 | 336 | | FORCE_COMMON_ALLOCATION |
f38a2680 | 337 | { command_line.force_common_definition = true ; } |
7bdf4127 | 338 | | FORCE_GROUP_ALLOCATION |
f38a2680 | 339 | { command_line.force_group_allocation = true ; } |
4818e05f | 340 | | INHIBIT_COMMON_ALLOCATION |
f38a2680 | 341 | { link_info.inhibit_common_definition = true ; } |
252b5132 RH |
342 | | INPUT '(' input_list ')' |
343 | | GROUP | |
344 | { lang_enter_group (); } | |
345 | '(' input_list ')' | |
346 | { lang_leave_group (); } | |
6c19b93b | 347 | | MAP '(' filename ')' |
252b5132 | 348 | { lang_add_map($3); } |
d038301c | 349 | | INCLUDE filename |
b47c4208 AM |
350 | { ldlex_script (); ldfile_open_command_file($2); } |
351 | ifile_list END | |
352 | { ldlex_popstate (); } | |
252b5132 RH |
353 | | NOCROSSREFS '(' nocrossref_list ')' |
354 | { | |
355 | lang_add_nocrossref ($3); | |
356 | } | |
cdf96953 MF |
357 | | NOCROSSREFS_TO '(' nocrossref_list ')' |
358 | { | |
359 | lang_add_nocrossref_to ($3); | |
360 | } | |
252b5132 | 361 | | EXTERN '(' extern_name_list ')' |
53d25da6 AM |
362 | | INSERT_K AFTER NAME |
363 | { lang_add_insert ($3, 0); } | |
364 | | INSERT_K BEFORE NAME | |
365 | { lang_add_insert ($3, 1); } | |
4a93e180 NC |
366 | | REGION_ALIAS '(' NAME ',' NAME ')' |
367 | { lang_memory_region_alias ($3, $5); } | |
01554a74 AM |
368 | | LD_FEATURE '(' NAME ')' |
369 | { lang_ld_feature ($3); } | |
252b5132 RH |
370 | ; |
371 | ||
372 | input_list: | |
eeed9cc7 HPN |
373 | { ldlex_inputlist(); } |
374 | input_list1 | |
375 | { ldlex_popstate(); } | |
376 | ||
377 | input_list1: | |
252b5132 RH |
378 | NAME |
379 | { lang_add_input_file($1,lang_input_file_is_search_file_enum, | |
380 | (char *)NULL); } | |
eeed9cc7 | 381 | | input_list1 ',' NAME |
252b5132 RH |
382 | { lang_add_input_file($3,lang_input_file_is_search_file_enum, |
383 | (char *)NULL); } | |
eeed9cc7 | 384 | | input_list1 NAME |
252b5132 RH |
385 | { lang_add_input_file($2,lang_input_file_is_search_file_enum, |
386 | (char *)NULL); } | |
387 | | LNAME | |
388 | { lang_add_input_file($1,lang_input_file_is_l_enum, | |
389 | (char *)NULL); } | |
eeed9cc7 | 390 | | input_list1 ',' LNAME |
252b5132 RH |
391 | { lang_add_input_file($3,lang_input_file_is_l_enum, |
392 | (char *)NULL); } | |
eeed9cc7 | 393 | | input_list1 LNAME |
252b5132 RH |
394 | { lang_add_input_file($2,lang_input_file_is_l_enum, |
395 | (char *)NULL); } | |
b717d30e | 396 | | AS_NEEDED '(' |
66be1055 | 397 | { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; |
f38a2680 | 398 | input_flags.add_DT_NEEDED_for_regular = true; } |
eeed9cc7 | 399 | input_list1 ')' |
66be1055 | 400 | { input_flags.add_DT_NEEDED_for_regular = $<integer>3; } |
eeed9cc7 | 401 | | input_list1 ',' AS_NEEDED '(' |
66be1055 | 402 | { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; |
f38a2680 | 403 | input_flags.add_DT_NEEDED_for_regular = true; } |
eeed9cc7 | 404 | input_list1 ')' |
66be1055 | 405 | { input_flags.add_DT_NEEDED_for_regular = $<integer>5; } |
eeed9cc7 | 406 | | input_list1 AS_NEEDED '(' |
66be1055 | 407 | { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; |
f38a2680 | 408 | input_flags.add_DT_NEEDED_for_regular = true; } |
eeed9cc7 | 409 | input_list1 ')' |
66be1055 | 410 | { input_flags.add_DT_NEEDED_for_regular = $<integer>4; } |
252b5132 RH |
411 | ; |
412 | ||
413 | sections: | |
414 | SECTIONS '{' sec_or_group_p1 '}' | |
415 | ; | |
416 | ||
417 | sec_or_group_p1: | |
418 | sec_or_group_p1 section | |
419 | | sec_or_group_p1 statement_anywhere | |
420 | | | |
421 | ; | |
422 | ||
423 | statement_anywhere: | |
424 | ENTRY '(' NAME ')' | |
f38a2680 | 425 | { lang_add_entry ($3, false); } |
252b5132 | 426 | | assignment end |
b6ca8815 NS |
427 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' |
428 | { ldlex_popstate (); | |
429 | lang_add_assignment (exp_assert ($4, $6)); } | |
252b5132 RH |
430 | ; |
431 | ||
432 | /* The '*' and '?' cases are there because the lexer returns them as | |
433 | separate tokens rather than as NAME. */ | |
434 | wildcard_name: | |
435 | NAME | |
436 | { | |
437 | $$ = $1; | |
438 | } | |
439 | | '*' | |
440 | { | |
441 | $$ = "*"; | |
442 | } | |
443 | | '?' | |
444 | { | |
445 | $$ = "?"; | |
446 | } | |
447 | ; | |
448 | ||
2b94abd4 | 449 | wildcard_maybe_exclude: |
252b5132 RH |
450 | wildcard_name |
451 | { | |
452 | $$.name = $1; | |
bcaa7b3e | 453 | $$.sorted = none; |
18625d54 | 454 | $$.exclude_name_list = NULL; |
ae17ab41 | 455 | $$.section_flag_list = NULL; |
252b5132 | 456 | } |
6c19b93b | 457 | | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name |
252b5132 RH |
458 | { |
459 | $$.name = $5; | |
bcaa7b3e | 460 | $$.sorted = none; |
18625d54 | 461 | $$.exclude_name_list = $3; |
ae17ab41 | 462 | $$.section_flag_list = NULL; |
252b5132 | 463 | } |
2b94abd4 AB |
464 | ; |
465 | ||
466 | filename_spec: | |
467 | wildcard_maybe_exclude | |
468 | | SORT_BY_NAME '(' wildcard_maybe_exclude ')' | |
252b5132 | 469 | { |
2b94abd4 | 470 | $$ = $3; |
bcaa7b3e | 471 | $$.sorted = by_name; |
252b5132 | 472 | } |
2b94abd4 AB |
473 | | SORT_NONE '(' wildcard_maybe_exclude ')' |
474 | { | |
475 | $$ = $3; | |
476 | $$.sorted = by_none; | |
477 | } | |
478 | ; | |
479 | ||
480 | section_name_spec: | |
481 | wildcard_maybe_exclude | |
482 | | SORT_BY_NAME '(' wildcard_maybe_exclude ')' | |
bcaa7b3e | 483 | { |
2b94abd4 AB |
484 | $$ = $3; |
485 | $$.sorted = by_name; | |
486 | } | |
487 | | SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' | |
488 | { | |
489 | $$ = $3; | |
bcaa7b3e | 490 | $$.sorted = by_alignment; |
bcaa7b3e | 491 | } |
2b94abd4 | 492 | | SORT_NONE '(' wildcard_maybe_exclude ')' |
eda680f8 | 493 | { |
2b94abd4 | 494 | $$ = $3; |
eda680f8 | 495 | $$.sorted = by_none; |
eda680f8 | 496 | } |
2b94abd4 | 497 | | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 498 | { |
2b94abd4 | 499 | $$ = $5; |
bcaa7b3e | 500 | $$.sorted = by_name_alignment; |
bcaa7b3e | 501 | } |
2b94abd4 | 502 | | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 503 | { |
2b94abd4 | 504 | $$ = $5; |
bcaa7b3e | 505 | $$.sorted = by_name; |
bcaa7b3e | 506 | } |
2b94abd4 | 507 | | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 508 | { |
2b94abd4 | 509 | $$ = $5; |
bcaa7b3e | 510 | $$.sorted = by_alignment_name; |
bcaa7b3e | 511 | } |
2b94abd4 | 512 | | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 513 | { |
2b94abd4 | 514 | $$ = $5; |
bcaa7b3e | 515 | $$.sorted = by_alignment; |
252b5132 | 516 | } |
2b94abd4 | 517 | | SORT_BY_INIT_PRIORITY '(' wildcard_maybe_exclude ')' |
02ecc8e9 | 518 | { |
2b94abd4 | 519 | $$ = $3; |
02ecc8e9 | 520 | $$.sorted = by_init_priority; |
ae17ab41 CM |
521 | } |
522 | ; | |
523 | ||
524 | sect_flag_list: NAME | |
525 | { | |
526 | struct flag_info_list *n; | |
527 | n = ((struct flag_info_list *) xmalloc (sizeof *n)); | |
528 | if ($1[0] == '!') | |
529 | { | |
530 | n->with = without_flags; | |
531 | n->name = &$1[1]; | |
532 | } | |
533 | else | |
534 | { | |
535 | n->with = with_flags; | |
536 | n->name = $1; | |
537 | } | |
f38a2680 | 538 | n->valid = false; |
ae17ab41 CM |
539 | n->next = NULL; |
540 | $$ = n; | |
541 | } | |
542 | | sect_flag_list '&' NAME | |
543 | { | |
544 | struct flag_info_list *n; | |
545 | n = ((struct flag_info_list *) xmalloc (sizeof *n)); | |
546 | if ($3[0] == '!') | |
547 | { | |
548 | n->with = without_flags; | |
549 | n->name = &$3[1]; | |
550 | } | |
551 | else | |
552 | { | |
553 | n->with = with_flags; | |
554 | n->name = $3; | |
555 | } | |
f38a2680 | 556 | n->valid = false; |
ae17ab41 CM |
557 | n->next = $1; |
558 | $$ = n; | |
559 | } | |
560 | ; | |
561 | ||
562 | sect_flags: | |
563 | INPUT_SECTION_FLAGS '(' sect_flag_list ')' | |
564 | { | |
565 | struct flag_info *n; | |
566 | n = ((struct flag_info *) xmalloc (sizeof *n)); | |
567 | n->flag_list = $3; | |
f38a2680 | 568 | n->flags_initialized = false; |
ae17ab41 CM |
569 | n->not_with_flags = 0; |
570 | n->only_with_flags = 0; | |
571 | $$ = n; | |
02ecc8e9 | 572 | } |
252b5132 RH |
573 | ; |
574 | ||
18625d54 | 575 | exclude_name_list: |
765b7cbe | 576 | exclude_name_list wildcard_name |
18625d54 CM |
577 | { |
578 | struct name_list *tmp; | |
579 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
765b7cbe | 580 | tmp->name = $2; |
18625d54 | 581 | tmp->next = $1; |
d038301c | 582 | $$ = tmp; |
18625d54 CM |
583 | } |
584 | | | |
585 | wildcard_name | |
586 | { | |
587 | struct name_list *tmp; | |
588 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
589 | tmp->name = $1; | |
590 | tmp->next = NULL; | |
591 | $$ = tmp; | |
592 | } | |
593 | ; | |
594 | ||
2b94abd4 AB |
595 | section_name_list: |
596 | section_name_list opt_comma section_name_spec | |
252b5132 | 597 | { |
b6bf44ba AM |
598 | struct wildcard_list *tmp; |
599 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
600 | tmp->next = $1; | |
601 | tmp->spec = $3; | |
602 | $$ = tmp; | |
252b5132 | 603 | } |
b6bf44ba | 604 | | |
2b94abd4 | 605 | section_name_spec |
252b5132 | 606 | { |
b6bf44ba AM |
607 | struct wildcard_list *tmp; |
608 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
609 | tmp->next = NULL; | |
610 | tmp->spec = $1; | |
611 | $$ = tmp; | |
252b5132 RH |
612 | } |
613 | ; | |
614 | ||
615 | input_section_spec_no_keep: | |
616 | NAME | |
617 | { | |
b6bf44ba AM |
618 | struct wildcard_spec tmp; |
619 | tmp.name = $1; | |
620 | tmp.exclude_name_list = NULL; | |
bcaa7b3e | 621 | tmp.sorted = none; |
ae17ab41 CM |
622 | tmp.section_flag_list = NULL; |
623 | lang_add_wild (&tmp, NULL, ldgram_had_keep); | |
624 | } | |
625 | | sect_flags NAME | |
626 | { | |
627 | struct wildcard_spec tmp; | |
628 | tmp.name = $2; | |
629 | tmp.exclude_name_list = NULL; | |
630 | tmp.sorted = none; | |
631 | tmp.section_flag_list = $1; | |
b6bf44ba | 632 | lang_add_wild (&tmp, NULL, ldgram_had_keep); |
252b5132 | 633 | } |
6c19b93b | 634 | | '[' section_name_list ']' |
252b5132 | 635 | { |
b6bf44ba | 636 | lang_add_wild (NULL, $2, ldgram_had_keep); |
252b5132 | 637 | } |
6c19b93b | 638 | | sect_flags '[' section_name_list ']' |
ae17ab41 CM |
639 | { |
640 | struct wildcard_spec tmp; | |
641 | tmp.name = NULL; | |
642 | tmp.exclude_name_list = NULL; | |
643 | tmp.sorted = none; | |
644 | tmp.section_flag_list = $1; | |
09f6ed34 | 645 | lang_add_wild (&tmp, $3, ldgram_had_keep); |
ae17ab41 | 646 | } |
2b94abd4 | 647 | | filename_spec '(' section_name_list ')' |
252b5132 | 648 | { |
b6bf44ba | 649 | lang_add_wild (&$1, $3, ldgram_had_keep); |
252b5132 | 650 | } |
2b94abd4 | 651 | | sect_flags filename_spec '(' section_name_list ')' |
ae17ab41 CM |
652 | { |
653 | $2.section_flag_list = $1; | |
654 | lang_add_wild (&$2, $4, ldgram_had_keep); | |
655 | } | |
252b5132 RH |
656 | ; |
657 | ||
658 | input_section_spec: | |
659 | input_section_spec_no_keep | |
660 | | KEEP '(' | |
f38a2680 | 661 | { ldgram_had_keep = true; } |
252b5132 | 662 | input_section_spec_no_keep ')' |
f38a2680 | 663 | { ldgram_had_keep = false; } |
252b5132 RH |
664 | ; |
665 | ||
666 | statement: | |
6c19b93b | 667 | assignment end |
252b5132 RH |
668 | | CREATE_OBJECT_SYMBOLS |
669 | { | |
6c19b93b AM |
670 | lang_add_attribute(lang_object_symbols_statement_enum); |
671 | } | |
672 | | ';' | |
673 | | CONSTRUCTORS | |
252b5132 | 674 | { |
d038301c RM |
675 | |
676 | lang_add_attribute(lang_constructors_statement_enum); | |
252b5132 | 677 | } |
bcaa7b3e | 678 | | SORT_BY_NAME '(' CONSTRUCTORS ')' |
252b5132 | 679 | { |
f38a2680 | 680 | constructors_sorted = true; |
252b5132 RH |
681 | lang_add_attribute (lang_constructors_statement_enum); |
682 | } | |
683 | | input_section_spec | |
6c19b93b AM |
684 | | length '(' mustbe_exp ')' |
685 | { | |
686 | lang_add_data ((int) $1, $3); | |
687 | } | |
d038301c | 688 | |
2c382fb6 | 689 | | FILL '(' fill_exp ')' |
6c19b93b AM |
690 | { |
691 | lang_add_fill ($3); | |
692 | } | |
8545d1a9 NS |
693 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' end |
694 | { ldlex_popstate (); | |
695 | lang_add_assignment (exp_assert ($4, $6)); } | |
4006703d NS |
696 | | INCLUDE filename |
697 | { ldlex_script (); ldfile_open_command_file($2); } | |
698 | statement_list_opt END | |
699 | { ldlex_popstate (); } | |
252b5132 RH |
700 | ; |
701 | ||
702 | statement_list: | |
703 | statement_list statement | |
6c19b93b | 704 | | statement |
252b5132 | 705 | ; |
d038301c | 706 | |
252b5132 RH |
707 | statement_list_opt: |
708 | /* empty */ | |
709 | | statement_list | |
710 | ; | |
711 | ||
712 | length: | |
713 | QUAD | |
714 | { $$ = $1; } | |
715 | | SQUAD | |
716 | { $$ = $1; } | |
717 | | LONG | |
718 | { $$ = $1; } | |
6c19b93b | 719 | | SHORT |
252b5132 RH |
720 | { $$ = $1; } |
721 | | BYTE | |
722 | { $$ = $1; } | |
723 | ; | |
724 | ||
2c382fb6 AM |
725 | fill_exp: |
726 | mustbe_exp | |
252b5132 | 727 | { |
e9ee469a | 728 | $$ = exp_get_fill ($1, 0, "fill value"); |
252b5132 | 729 | } |
252b5132 RH |
730 | ; |
731 | ||
2c382fb6 AM |
732 | fill_opt: |
733 | '=' fill_exp | |
734 | { $$ = $2; } | |
6c19b93b | 735 | | { $$ = (fill_type *) 0; } |
2c382fb6 | 736 | ; |
252b5132 RH |
737 | |
738 | assign_op: | |
739 | PLUSEQ | |
740 | { $$ = '+'; } | |
741 | | MINUSEQ | |
742 | { $$ = '-'; } | |
6c19b93b | 743 | | MULTEQ |
252b5132 | 744 | { $$ = '*'; } |
6c19b93b | 745 | | DIVEQ |
252b5132 | 746 | { $$ = '/'; } |
6c19b93b | 747 | | LSHIFTEQ |
252b5132 | 748 | { $$ = LSHIFT; } |
6c19b93b | 749 | | RSHIFTEQ |
252b5132 | 750 | { $$ = RSHIFT; } |
6c19b93b | 751 | | ANDEQ |
252b5132 | 752 | { $$ = '&'; } |
6c19b93b | 753 | | OREQ |
252b5132 RH |
754 | { $$ = '|'; } |
755 | ||
756 | ; | |
757 | ||
758 | end: ';' | ',' | |
759 | ; | |
760 | ||
761 | ||
762 | assignment: | |
763 | NAME '=' mustbe_exp | |
764 | { | |
f38a2680 | 765 | lang_add_assignment (exp_assign ($1, $3, false)); |
252b5132 RH |
766 | } |
767 | | NAME assign_op mustbe_exp | |
768 | { | |
2e57b2af AM |
769 | lang_add_assignment (exp_assign ($1, |
770 | exp_binop ($2, | |
771 | exp_nameop (NAME, | |
772 | $1), | |
f38a2680 | 773 | $3), false)); |
eb8476a6 MR |
774 | } |
775 | | HIDDEN '(' NAME '=' mustbe_exp ')' | |
776 | { | |
f38a2680 | 777 | lang_add_assignment (exp_assign ($3, $5, true)); |
252b5132 RH |
778 | } |
779 | | PROVIDE '(' NAME '=' mustbe_exp ')' | |
780 | { | |
f38a2680 | 781 | lang_add_assignment (exp_provide ($3, $5, false)); |
7af8e998 L |
782 | } |
783 | | PROVIDE_HIDDEN '(' NAME '=' mustbe_exp ')' | |
784 | { | |
f38a2680 | 785 | lang_add_assignment (exp_provide ($3, $5, true)); |
252b5132 RH |
786 | } |
787 | ; | |
788 | ||
789 | ||
790 | opt_comma: | |
791 | ',' | ; | |
792 | ||
793 | ||
794 | memory: | |
4006703d | 795 | MEMORY '{' memory_spec_list_opt '}' |
252b5132 RH |
796 | ; |
797 | ||
4006703d NS |
798 | memory_spec_list_opt: memory_spec_list | ; |
799 | ||
252b5132 | 800 | memory_spec_list: |
4006703d NS |
801 | memory_spec_list opt_comma memory_spec |
802 | | memory_spec | |
252b5132 RH |
803 | ; |
804 | ||
805 | ||
6c19b93b | 806 | memory_spec: NAME |
f38a2680 | 807 | { region = lang_memory_region_lookup ($1, true); } |
252b5132 RH |
808 | attributes_opt ':' |
809 | origin_spec opt_comma length_spec | |
2d801b0f | 810 | {} |
4006703d NS |
811 | | INCLUDE filename |
812 | { ldlex_script (); ldfile_open_command_file($2); } | |
813 | memory_spec_list_opt END | |
814 | { ldlex_popstate (); } | |
74459f0e TW |
815 | ; |
816 | ||
817 | origin_spec: | |
252b5132 | 818 | ORIGIN '=' mustbe_exp |
e9ee469a | 819 | { |
cc9ad334 | 820 | region->origin_exp = $3; |
e9ee469a | 821 | } |
252b5132 RH |
822 | ; |
823 | ||
824 | length_spec: | |
6c19b93b | 825 | LENGTH '=' mustbe_exp |
e9ee469a | 826 | { |
cc9ad334 | 827 | region->length_exp = $3; |
252b5132 | 828 | } |
aa8804e4 | 829 | ; |
252b5132 RH |
830 | |
831 | attributes_opt: | |
aa8804e4 ILT |
832 | /* empty */ |
833 | { /* dummy action to avoid bison 1.25 error message */ } | |
834 | | '(' attributes_list ')' | |
835 | ; | |
836 | ||
837 | attributes_list: | |
838 | attributes_string | |
839 | | attributes_list attributes_string | |
840 | ; | |
841 | ||
842 | attributes_string: | |
843 | NAME | |
844 | { lang_set_flags (region, $1, 0); } | |
845 | | '!' NAME | |
846 | { lang_set_flags (region, $2, 1); } | |
252b5132 RH |
847 | ; |
848 | ||
849 | startup: | |
850 | STARTUP '(' filename ')' | |
851 | { lang_startup($3); } | |
852 | ; | |
853 | ||
854 | high_level_library: | |
855 | HLL '(' high_level_library_NAME_list ')' | |
856 | | HLL '(' ')' | |
857 | { ldemul_hll((char *)NULL); } | |
858 | ; | |
859 | ||
860 | high_level_library_NAME_list: | |
861 | high_level_library_NAME_list opt_comma filename | |
862 | { ldemul_hll($3); } | |
863 | | filename | |
864 | { ldemul_hll($1); } | |
252b5132 RH |
865 | ; |
866 | ||
867 | low_level_library: | |
868 | SYSLIB '(' low_level_library_NAME_list ')' | |
a5f92c67 AM |
869 | ; |
870 | ||
871 | low_level_library_NAME_list: | |
252b5132 RH |
872 | low_level_library_NAME_list opt_comma filename |
873 | { ldemul_syslib($3); } | |
874 | | | |
875 | ; | |
876 | ||
877 | floating_point_support: | |
878 | FLOAT | |
f38a2680 | 879 | { lang_float(true); } |
252b5132 | 880 | | NOFLOAT |
f38a2680 | 881 | { lang_float(false); } |
252b5132 | 882 | ; |
d038301c | 883 | |
252b5132 RH |
884 | nocrossref_list: |
885 | /* empty */ | |
886 | { | |
887 | $$ = NULL; | |
888 | } | |
889 | | NAME nocrossref_list | |
890 | { | |
891 | struct lang_nocrossref *n; | |
892 | ||
893 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
894 | n->name = $1; | |
895 | n->next = $2; | |
896 | $$ = n; | |
897 | } | |
898 | | NAME ',' nocrossref_list | |
899 | { | |
900 | struct lang_nocrossref *n; | |
901 | ||
902 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
903 | n->name = $1; | |
904 | n->next = $3; | |
905 | $$ = n; | |
906 | } | |
907 | ; | |
908 | ||
3ec57632 | 909 | mustbe_exp: { ldlex_expression (); } |
252b5132 | 910 | exp |
3ec57632 | 911 | { ldlex_popstate (); $$=$2;} |
252b5132 RH |
912 | ; |
913 | ||
914 | exp : | |
915 | '-' exp %prec UNARY | |
3ec57632 | 916 | { $$ = exp_unop ('-', $2); } |
252b5132 RH |
917 | | '(' exp ')' |
918 | { $$ = $2; } | |
919 | | NEXT '(' exp ')' %prec UNARY | |
3ec57632 | 920 | { $$ = exp_unop ((int) $1,$3); } |
252b5132 | 921 | | '!' exp %prec UNARY |
3ec57632 | 922 | { $$ = exp_unop ('!', $2); } |
252b5132 RH |
923 | | '+' exp %prec UNARY |
924 | { $$ = $2; } | |
925 | | '~' exp %prec UNARY | |
3ec57632 | 926 | { $$ = exp_unop ('~', $2);} |
252b5132 RH |
927 | |
928 | | exp '*' exp | |
3ec57632 | 929 | { $$ = exp_binop ('*', $1, $3); } |
252b5132 | 930 | | exp '/' exp |
3ec57632 | 931 | { $$ = exp_binop ('/', $1, $3); } |
252b5132 | 932 | | exp '%' exp |
3ec57632 | 933 | { $$ = exp_binop ('%', $1, $3); } |
252b5132 | 934 | | exp '+' exp |
3ec57632 | 935 | { $$ = exp_binop ('+', $1, $3); } |
252b5132 | 936 | | exp '-' exp |
3ec57632 | 937 | { $$ = exp_binop ('-' , $1, $3); } |
252b5132 | 938 | | exp LSHIFT exp |
3ec57632 | 939 | { $$ = exp_binop (LSHIFT , $1, $3); } |
252b5132 | 940 | | exp RSHIFT exp |
3ec57632 | 941 | { $$ = exp_binop (RSHIFT , $1, $3); } |
252b5132 | 942 | | exp EQ exp |
3ec57632 | 943 | { $$ = exp_binop (EQ , $1, $3); } |
252b5132 | 944 | | exp NE exp |
3ec57632 | 945 | { $$ = exp_binop (NE , $1, $3); } |
252b5132 | 946 | | exp LE exp |
3ec57632 | 947 | { $$ = exp_binop (LE , $1, $3); } |
6c19b93b | 948 | | exp GE exp |
3ec57632 | 949 | { $$ = exp_binop (GE , $1, $3); } |
252b5132 | 950 | | exp '<' exp |
3ec57632 | 951 | { $$ = exp_binop ('<' , $1, $3); } |
252b5132 | 952 | | exp '>' exp |
3ec57632 | 953 | { $$ = exp_binop ('>' , $1, $3); } |
252b5132 | 954 | | exp '&' exp |
3ec57632 | 955 | { $$ = exp_binop ('&' , $1, $3); } |
252b5132 | 956 | | exp '^' exp |
3ec57632 | 957 | { $$ = exp_binop ('^' , $1, $3); } |
252b5132 | 958 | | exp '|' exp |
3ec57632 | 959 | { $$ = exp_binop ('|' , $1, $3); } |
252b5132 | 960 | | exp '?' exp ':' exp |
3ec57632 | 961 | { $$ = exp_trinop ('?' , $1, $3, $5); } |
252b5132 | 962 | | exp ANDAND exp |
3ec57632 | 963 | { $$ = exp_binop (ANDAND , $1, $3); } |
252b5132 | 964 | | exp OROR exp |
3ec57632 | 965 | { $$ = exp_binop (OROR , $1, $3); } |
252b5132 | 966 | | DEFINED '(' NAME ')' |
3ec57632 | 967 | { $$ = exp_nameop (DEFINED, $3); } |
252b5132 | 968 | | INT |
2c382fb6 | 969 | { $$ = exp_bigintop ($1.integer, $1.str); } |
6c19b93b | 970 | | SIZEOF_HEADERS |
3ec57632 | 971 | { $$ = exp_nameop (SIZEOF_HEADERS,0); } |
252b5132 | 972 | |
5d41b3ef NS |
973 | | ALIGNOF '(' NAME ')' |
974 | { $$ = exp_nameop (ALIGNOF,$3); } | |
252b5132 | 975 | | SIZEOF '(' NAME ')' |
3ec57632 | 976 | { $$ = exp_nameop (SIZEOF,$3); } |
252b5132 | 977 | | ADDR '(' NAME ')' |
3ec57632 | 978 | { $$ = exp_nameop (ADDR,$3); } |
252b5132 | 979 | | LOADADDR '(' NAME ')' |
3ec57632 | 980 | { $$ = exp_nameop (LOADADDR,$3); } |
24718e3b L |
981 | | CONSTANT '(' NAME ')' |
982 | { $$ = exp_nameop (CONSTANT,$3); } | |
252b5132 | 983 | | ABSOLUTE '(' exp ')' |
3ec57632 | 984 | { $$ = exp_unop (ABSOLUTE, $3); } |
252b5132 | 985 | | ALIGN_K '(' exp ')' |
3ec57632 | 986 | { $$ = exp_unop (ALIGN_K,$3); } |
876f4090 | 987 | | ALIGN_K '(' exp ',' exp ')' |
3ec57632 | 988 | { $$ = exp_binop (ALIGN_K,$3,$5); } |
2d20f7bf JJ |
989 | | DATA_SEGMENT_ALIGN '(' exp ',' exp ')' |
990 | { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); } | |
a4f5ad88 JJ |
991 | | DATA_SEGMENT_RELRO_END '(' exp ',' exp ')' |
992 | { $$ = exp_binop (DATA_SEGMENT_RELRO_END, $5, $3); } | |
2d20f7bf | 993 | | DATA_SEGMENT_END '(' exp ')' |
3ec57632 | 994 | { $$ = exp_unop (DATA_SEGMENT_END, $3); } |
6c19b93b AM |
995 | | SEGMENT_START '(' NAME ',' exp ')' |
996 | { /* The operands to the expression node are | |
ba916c8a MM |
997 | placed in the opposite order from the way |
998 | in which they appear in the script as | |
999 | that allows us to reuse more code in | |
1000 | fold_binary. */ | |
1001 | $$ = exp_binop (SEGMENT_START, | |
1002 | $5, | |
1003 | exp_nameop (NAME, $3)); } | |
252b5132 | 1004 | | BLOCK '(' exp ')' |
3ec57632 | 1005 | { $$ = exp_unop (ALIGN_K,$3); } |
252b5132 | 1006 | | NAME |
3ec57632 | 1007 | { $$ = exp_nameop (NAME,$1); } |
252b5132 RH |
1008 | | MAX_K '(' exp ',' exp ')' |
1009 | { $$ = exp_binop (MAX_K, $3, $5 ); } | |
1010 | | MIN_K '(' exp ',' exp ')' | |
1011 | { $$ = exp_binop (MIN_K, $3, $5 ); } | |
1012 | | ASSERT_K '(' exp ',' NAME ')' | |
1013 | { $$ = exp_assert ($3, $5); } | |
3ec57632 NC |
1014 | | ORIGIN '(' NAME ')' |
1015 | { $$ = exp_nameop (ORIGIN, $3); } | |
1016 | | LENGTH '(' NAME ')' | |
1017 | { $$ = exp_nameop (LENGTH, $3); } | |
2e53f7d6 NC |
1018 | | LOG2CEIL '(' exp ')' |
1019 | { $$ = exp_unop (LOG2CEIL, $3); } | |
252b5132 RH |
1020 | ; |
1021 | ||
1022 | ||
562d3460 | 1023 | memspec_at_opt: |
6c19b93b AM |
1024 | AT '>' NAME { $$ = $3; } |
1025 | | { $$ = 0; } | |
1026 | ; | |
562d3460 | 1027 | |
252b5132 RH |
1028 | opt_at: |
1029 | AT '(' exp ')' { $$ = $3; } | |
1030 | | { $$ = 0; } | |
1031 | ; | |
1032 | ||
bbf115d3 L |
1033 | opt_align: |
1034 | ALIGN_K '(' exp ')' { $$ = $3; } | |
1035 | | { $$ = 0; } | |
1036 | ; | |
1037 | ||
1eec346e NC |
1038 | opt_align_with_input: |
1039 | ALIGN_WITH_INPUT { $$ = ALIGN_WITH_INPUT; } | |
1040 | | { $$ = 0; } | |
1041 | ; | |
1042 | ||
7e7d5768 AM |
1043 | opt_subalign: |
1044 | SUBALIGN '(' exp ')' { $$ = $3; } | |
1045 | | { $$ = 0; } | |
1046 | ; | |
1047 | ||
0841712e JJ |
1048 | sect_constraint: |
1049 | ONLY_IF_RO { $$ = ONLY_IF_RO; } | |
1050 | | ONLY_IF_RW { $$ = ONLY_IF_RW; } | |
0cf7d72c | 1051 | | SPECIAL { $$ = SPECIAL; } |
0841712e JJ |
1052 | | { $$ = 0; } |
1053 | ; | |
1054 | ||
6c19b93b | 1055 | section: NAME { ldlex_expression(); } |
d038301c | 1056 | opt_exp_with_type |
7e7d5768 | 1057 | opt_at |
bbf115d3 | 1058 | opt_align |
1eec346e | 1059 | opt_align_with_input |
7e7d5768 | 1060 | opt_subalign { ldlex_popstate (); ldlex_script (); } |
0841712e | 1061 | sect_constraint |
252b5132 RH |
1062 | '{' |
1063 | { | |
1064 | lang_enter_output_section_statement($1, $3, | |
1065 | sectype, | |
1eec346e | 1066 | $5, $7, $4, $9, $6); |
252b5132 | 1067 | } |
d038301c | 1068 | statement_list_opt |
6c19b93b | 1069 | '}' { ldlex_popstate (); ldlex_expression (); } |
562d3460 | 1070 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 | 1071 | { |
40726f16 AM |
1072 | if (yychar == NAME) |
1073 | { | |
1074 | yyclearin; | |
1075 | ldlex_backup (); | |
1076 | } | |
252b5132 | 1077 | ldlex_popstate (); |
1eec346e | 1078 | lang_leave_output_section_statement ($18, $15, $17, $16); |
252b5132 RH |
1079 | } |
1080 | opt_comma | |
1081 | | OVERLAY | |
1082 | { ldlex_expression (); } | |
7e7d5768 | 1083 | opt_exp_without_type opt_nocrossrefs opt_at opt_subalign |
252b5132 | 1084 | { ldlex_popstate (); ldlex_script (); } |
d038301c | 1085 | '{' |
252b5132 | 1086 | { |
7e7d5768 | 1087 | lang_enter_overlay ($3, $6); |
252b5132 RH |
1088 | } |
1089 | overlay_section | |
1090 | '}' | |
1091 | { ldlex_popstate (); ldlex_expression (); } | |
562d3460 | 1092 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 | 1093 | { |
40726f16 AM |
1094 | if (yychar == NAME) |
1095 | { | |
1096 | yyclearin; | |
1097 | ldlex_backup (); | |
1098 | } | |
252b5132 | 1099 | ldlex_popstate (); |
9f88b410 | 1100 | lang_leave_overlay ($5, (int) $4, |
7e7d5768 | 1101 | $16, $13, $15, $14); |
252b5132 RH |
1102 | } |
1103 | opt_comma | |
1104 | | /* The GROUP case is just enough to support the gcc | |
1105 | svr3.ifile script. It is not intended to be full | |
1106 | support. I'm not even sure what GROUP is supposed | |
1107 | to mean. */ | |
1108 | GROUP { ldlex_expression (); } | |
1109 | opt_exp_with_type | |
1110 | { | |
1111 | ldlex_popstate (); | |
f38a2680 | 1112 | lang_add_assignment (exp_assign (".", $3, false)); |
252b5132 RH |
1113 | } |
1114 | '{' sec_or_group_p1 '}' | |
4006703d NS |
1115 | | INCLUDE filename |
1116 | { ldlex_script (); ldfile_open_command_file($2); } | |
1117 | sec_or_group_p1 END | |
1118 | { ldlex_popstate (); } | |
252b5132 RH |
1119 | ; |
1120 | ||
1121 | type: | |
1122 | NOLOAD { sectype = noload_section; } | |
02a38f92 AM |
1123 | | DSECT { sectype = noalloc_section; } |
1124 | | COPY { sectype = noalloc_section; } | |
1125 | | INFO { sectype = noalloc_section; } | |
1126 | | OVERLAY { sectype = noalloc_section; } | |
6b86da53 | 1127 | | READONLY { sectype = readonly_section; } |
252b5132 RH |
1128 | ; |
1129 | ||
1130 | atype: | |
6c19b93b AM |
1131 | '(' type ')' |
1132 | | /* EMPTY */ { sectype = normal_section; } | |
1133 | | '(' ')' { sectype = normal_section; } | |
252b5132 RH |
1134 | ; |
1135 | ||
1136 | opt_exp_with_type: | |
1137 | exp atype ':' { $$ = $1; } | |
1138 | | atype ':' { $$ = (etree_type *)NULL; } | |
1139 | | /* The BIND cases are to support the gcc svr3.ifile | |
1140 | script. They aren't intended to implement full | |
1141 | support for the BIND keyword. I'm not even sure | |
1142 | what BIND is supposed to mean. */ | |
1143 | BIND '(' exp ')' atype ':' { $$ = $3; } | |
1144 | | BIND '(' exp ')' BLOCK '(' exp ')' atype ':' | |
1145 | { $$ = $3; } | |
1146 | ; | |
1147 | ||
1148 | opt_exp_without_type: | |
1149 | exp ':' { $$ = $1; } | |
1150 | | ':' { $$ = (etree_type *) NULL; } | |
1151 | ; | |
1152 | ||
1153 | opt_nocrossrefs: | |
1154 | /* empty */ | |
1155 | { $$ = 0; } | |
1156 | | NOCROSSREFS | |
1157 | { $$ = 1; } | |
1158 | ; | |
1159 | ||
1160 | memspec_opt: | |
1161 | '>' NAME | |
1162 | { $$ = $2; } | |
a747ee4d | 1163 | | { $$ = DEFAULT_MEMORY_REGION; } |
252b5132 RH |
1164 | ; |
1165 | ||
1166 | phdr_opt: | |
1167 | /* empty */ | |
1168 | { | |
1169 | $$ = NULL; | |
1170 | } | |
1171 | | phdr_opt ':' NAME | |
1172 | { | |
1173 | struct lang_output_section_phdr_list *n; | |
1174 | ||
1175 | n = ((struct lang_output_section_phdr_list *) | |
1176 | xmalloc (sizeof *n)); | |
1177 | n->name = $3; | |
f38a2680 | 1178 | n->used = false; |
252b5132 RH |
1179 | n->next = $1; |
1180 | $$ = n; | |
1181 | } | |
1182 | ; | |
1183 | ||
1184 | overlay_section: | |
1185 | /* empty */ | |
1186 | | overlay_section | |
1187 | NAME | |
1188 | { | |
1189 | ldlex_script (); | |
1190 | lang_enter_overlay_section ($2); | |
1191 | } | |
1192 | '{' statement_list_opt '}' | |
1193 | { ldlex_popstate (); ldlex_expression (); } | |
1194 | phdr_opt fill_opt | |
1195 | { | |
1196 | ldlex_popstate (); | |
1197 | lang_leave_overlay_section ($9, $8); | |
1198 | } | |
1199 | opt_comma | |
1200 | ; | |
1201 | ||
1202 | phdrs: | |
1203 | PHDRS '{' phdr_list '}' | |
1204 | ; | |
1205 | ||
1206 | phdr_list: | |
1207 | /* empty */ | |
1208 | | phdr_list phdr | |
1209 | ; | |
1210 | ||
1211 | phdr: | |
1212 | NAME { ldlex_expression (); } | |
1213 | phdr_type phdr_qualifiers { ldlex_popstate (); } | |
1214 | ';' | |
1215 | { | |
1216 | lang_new_phdr ($1, $3, $4.filehdr, $4.phdrs, $4.at, | |
1217 | $4.flags); | |
1218 | } | |
1219 | ; | |
1220 | ||
1221 | phdr_type: | |
1222 | exp | |
1223 | { | |
1224 | $$ = $1; | |
1225 | ||
1226 | if ($1->type.node_class == etree_name | |
1227 | && $1->type.node_code == NAME) | |
1228 | { | |
1229 | const char *s; | |
1230 | unsigned int i; | |
1231 | static const char * const phdr_types[] = | |
1232 | { | |
1233 | "PT_NULL", "PT_LOAD", "PT_DYNAMIC", | |
1234 | "PT_INTERP", "PT_NOTE", "PT_SHLIB", | |
d038301c | 1235 | "PT_PHDR", "PT_TLS" |
252b5132 RH |
1236 | }; |
1237 | ||
1238 | s = $1->name.name; | |
1239 | for (i = 0; | |
1240 | i < sizeof phdr_types / sizeof phdr_types[0]; | |
1241 | i++) | |
1242 | if (strcmp (s, phdr_types[i]) == 0) | |
1243 | { | |
1244 | $$ = exp_intop (i); | |
1245 | break; | |
1246 | } | |
d038301c RM |
1247 | if (i == sizeof phdr_types / sizeof phdr_types[0]) |
1248 | { | |
1249 | if (strcmp (s, "PT_GNU_EH_FRAME") == 0) | |
1250 | $$ = exp_intop (0x6474e550); | |
9ee5e499 JJ |
1251 | else if (strcmp (s, "PT_GNU_STACK") == 0) |
1252 | $$ = exp_intop (0x6474e551); | |
d038301c RM |
1253 | else |
1254 | { | |
1255 | einfo (_("\ | |
c1c8c1ef | 1256 | %X%P:%pS: unknown phdr type `%s' (try integer literal)\n"), |
dab69f68 | 1257 | NULL, s); |
d038301c RM |
1258 | $$ = exp_intop (0); |
1259 | } | |
1260 | } | |
252b5132 RH |
1261 | } |
1262 | } | |
1263 | ; | |
1264 | ||
1265 | phdr_qualifiers: | |
1266 | /* empty */ | |
1267 | { | |
1268 | memset (&$$, 0, sizeof (struct phdr_info)); | |
1269 | } | |
1270 | | NAME phdr_val phdr_qualifiers | |
1271 | { | |
1272 | $$ = $3; | |
1273 | if (strcmp ($1, "FILEHDR") == 0 && $2 == NULL) | |
f38a2680 | 1274 | $$.filehdr = true; |
252b5132 | 1275 | else if (strcmp ($1, "PHDRS") == 0 && $2 == NULL) |
f38a2680 | 1276 | $$.phdrs = true; |
252b5132 RH |
1277 | else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL) |
1278 | $$.flags = $2; | |
1279 | else | |
c1c8c1ef | 1280 | einfo (_("%X%P:%pS: PHDRS syntax error at `%s'\n"), |
dab69f68 | 1281 | NULL, $1); |
252b5132 RH |
1282 | } |
1283 | | AT '(' exp ')' phdr_qualifiers | |
1284 | { | |
1285 | $$ = $5; | |
1286 | $$.at = $3; | |
1287 | } | |
1288 | ; | |
1289 | ||
1290 | phdr_val: | |
1291 | /* empty */ | |
1292 | { | |
1293 | $$ = NULL; | |
1294 | } | |
1295 | | '(' exp ')' | |
1296 | { | |
1297 | $$ = $2; | |
1298 | } | |
1299 | ; | |
1300 | ||
55255dae L |
1301 | dynamic_list_file: |
1302 | { | |
1303 | ldlex_version_file (); | |
1304 | PUSH_ERROR (_("dynamic list")); | |
1305 | } | |
1306 | dynamic_list_nodes | |
1307 | { | |
1308 | ldlex_popstate (); | |
1309 | POP_ERROR (); | |
1310 | } | |
1311 | ; | |
1312 | ||
1313 | dynamic_list_nodes: | |
1314 | dynamic_list_node | |
1315 | | dynamic_list_nodes dynamic_list_node | |
1316 | ; | |
1317 | ||
1318 | dynamic_list_node: | |
1319 | '{' dynamic_list_tag '}' ';' | |
1320 | ; | |
1321 | ||
1322 | dynamic_list_tag: | |
1323 | vers_defns ';' | |
1324 | { | |
37a141bf | 1325 | lang_append_dynamic_list (current_dynamic_list_p, $1); |
55255dae L |
1326 | } |
1327 | ; | |
1328 | ||
252b5132 RH |
1329 | /* This syntax is used within an external version script file. */ |
1330 | ||
1331 | version_script_file: | |
1332 | { | |
1333 | ldlex_version_file (); | |
1334 | PUSH_ERROR (_("VERSION script")); | |
1335 | } | |
1336 | vers_nodes | |
1337 | { | |
1338 | ldlex_popstate (); | |
1339 | POP_ERROR (); | |
1340 | } | |
1341 | ; | |
1342 | ||
1343 | /* This is used within a normal linker script file. */ | |
1344 | ||
1345 | version: | |
1346 | { | |
1347 | ldlex_version_script (); | |
1348 | } | |
1349 | VERSIONK '{' vers_nodes '}' | |
1350 | { | |
1351 | ldlex_popstate (); | |
1352 | } | |
1353 | ; | |
1354 | ||
1355 | vers_nodes: | |
1356 | vers_node | |
1357 | | vers_nodes vers_node | |
1358 | ; | |
1359 | ||
1360 | vers_node: | |
6b9b879a JJ |
1361 | '{' vers_tag '}' ';' |
1362 | { | |
1363 | lang_register_vers_node (NULL, $2, NULL); | |
1364 | } | |
1365 | | VERS_TAG '{' vers_tag '}' ';' | |
252b5132 RH |
1366 | { |
1367 | lang_register_vers_node ($1, $3, NULL); | |
1368 | } | |
1369 | | VERS_TAG '{' vers_tag '}' verdep ';' | |
1370 | { | |
1371 | lang_register_vers_node ($1, $3, $5); | |
1372 | } | |
1373 | ; | |
1374 | ||
1375 | verdep: | |
1376 | VERS_TAG | |
1377 | { | |
1378 | $$ = lang_add_vers_depend (NULL, $1); | |
1379 | } | |
1380 | | verdep VERS_TAG | |
1381 | { | |
1382 | $$ = lang_add_vers_depend ($1, $2); | |
1383 | } | |
1384 | ; | |
1385 | ||
1386 | vers_tag: | |
1387 | /* empty */ | |
1388 | { | |
1389 | $$ = lang_new_vers_node (NULL, NULL); | |
1390 | } | |
1391 | | vers_defns ';' | |
1392 | { | |
1393 | $$ = lang_new_vers_node ($1, NULL); | |
1394 | } | |
1395 | | GLOBAL ':' vers_defns ';' | |
1396 | { | |
1397 | $$ = lang_new_vers_node ($3, NULL); | |
1398 | } | |
1399 | | LOCAL ':' vers_defns ';' | |
1400 | { | |
1401 | $$ = lang_new_vers_node (NULL, $3); | |
1402 | } | |
1403 | | GLOBAL ':' vers_defns ';' LOCAL ':' vers_defns ';' | |
1404 | { | |
1405 | $$ = lang_new_vers_node ($3, $7); | |
1406 | } | |
1407 | ; | |
1408 | ||
1409 | vers_defns: | |
1410 | VERS_IDENTIFIER | |
1411 | { | |
f38a2680 | 1412 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, false); |
86043bbb | 1413 | } |
6c19b93b | 1414 | | NAME |
86043bbb | 1415 | { |
f38a2680 | 1416 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, true); |
252b5132 RH |
1417 | } |
1418 | | vers_defns ';' VERS_IDENTIFIER | |
1419 | { | |
f38a2680 | 1420 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, false); |
86043bbb MM |
1421 | } |
1422 | | vers_defns ';' NAME | |
1423 | { | |
f38a2680 | 1424 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, true); |
252b5132 | 1425 | } |
8e23b15d AM |
1426 | | vers_defns ';' EXTERN NAME '{' |
1427 | { | |
1428 | $<name>$ = ldgram_vers_current_lang; | |
1429 | ldgram_vers_current_lang = $4; | |
1430 | } | |
1431 | vers_defns opt_semicolon '}' | |
1432 | { | |
96f8ade5 JJ |
1433 | struct bfd_elf_version_expr *pat; |
1434 | for (pat = $7; pat->next != NULL; pat = pat->next); | |
1435 | pat->next = $1; | |
8e23b15d AM |
1436 | $$ = $7; |
1437 | ldgram_vers_current_lang = $<name>6; | |
1438 | } | |
252b5132 RH |
1439 | | EXTERN NAME '{' |
1440 | { | |
1441 | $<name>$ = ldgram_vers_current_lang; | |
1442 | ldgram_vers_current_lang = $2; | |
1443 | } | |
8e23b15d | 1444 | vers_defns opt_semicolon '}' |
252b5132 | 1445 | { |
e06cae36 | 1446 | $$ = $5; |
252b5132 RH |
1447 | ldgram_vers_current_lang = $<name>4; |
1448 | } | |
96f8ade5 JJ |
1449 | | GLOBAL |
1450 | { | |
f38a2680 | 1451 | $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1452 | } |
1453 | | vers_defns ';' GLOBAL | |
1454 | { | |
f38a2680 | 1455 | $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1456 | } |
1457 | | LOCAL | |
1458 | { | |
f38a2680 | 1459 | $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1460 | } |
1461 | | vers_defns ';' LOCAL | |
1462 | { | |
f38a2680 | 1463 | $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1464 | } |
1465 | | EXTERN | |
1466 | { | |
f38a2680 | 1467 | $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1468 | } |
1469 | | vers_defns ';' EXTERN | |
1470 | { | |
f38a2680 | 1471 | $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang, false); |
96f8ade5 | 1472 | } |
252b5132 RH |
1473 | ; |
1474 | ||
8e23b15d AM |
1475 | opt_semicolon: |
1476 | /* empty */ | |
1477 | | ';' | |
1478 | ; | |
1479 | ||
252b5132 RH |
1480 | %% |
1481 | void | |
d038301c | 1482 | yyerror(arg) |
252b5132 | 1483 | const char *arg; |
d038301c | 1484 | { |
252b5132 RH |
1485 | if (ldfile_assumed_script) |
1486 | einfo (_("%P:%s: file format not recognized; treating as linker script\n"), | |
dab69f68 | 1487 | ldlex_filename ()); |
252b5132 | 1488 | if (error_index > 0 && error_index < ERROR_NAME_MAX) |
df5f2391 | 1489 | einfo ("%F%P:%pS: %s in %s\n", NULL, arg, error_names[error_index - 1]); |
252b5132 | 1490 | else |
df5f2391 | 1491 | einfo ("%F%P:%pS: %s\n", NULL, arg); |
252b5132 | 1492 | } |