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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. |
a2c58332 | 2 | Copyright (C) 1991-2022 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 | |
553dd76c | 99 | %type <name> memspec_opt memspec_at_opt paren_script_name casesymlist |
252b5132 | 100 | %type <cname> wildcard_name |
2b94abd4 | 101 | %type <wildcard> section_name_spec filename_spec wildcard_maybe_exclude |
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 |
6b86da53 | 141 | %token READONLY |
ed9ef263 | 142 | %token DEFINED TARGET_K SEARCH_DIR MAP ENTRY |
252b5132 | 143 | %token <integer> NEXT |
5d41b3ef | 144 | %token SIZEOF ALIGNOF ADDR LOADADDR MAX_K MIN_K |
cdf96953 | 145 | %token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS NOCROSSREFS_TO |
252b5132 RH |
146 | %token ORIGIN FILL |
147 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS | |
eb8476a6 | 148 | %token ALIGNMOD AT SUBALIGN HIDDEN PROVIDE PROVIDE_HIDDEN AS_NEEDED |
1eec346e | 149 | %type <token> assign_op atype attributes_opt sect_constraint opt_align_with_input |
252b5132 RH |
150 | %type <name> filename |
151 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K | |
2e53f7d6 | 152 | %token LOG2CEIL FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL |
252b5132 RH |
153 | %token INPUT_SCRIPT INPUT_MRI_SCRIPT INPUT_DEFSYM CASE EXTERN START |
154 | %token <name> VERS_TAG VERS_IDENTIFIER | |
155 | %token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT | |
1eec346e | 156 | %token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL INPUT_SECTION_FLAGS ALIGN_WITH_INPUT |
252b5132 | 157 | %token EXCLUDE_FILE |
24718e3b | 158 | %token CONSTANT |
252b5132 RH |
159 | %type <versyms> vers_defns |
160 | %type <versnode> vers_tag | |
161 | %type <deflist> verdep | |
55255dae | 162 | %token INPUT_DYNAMIC_LIST |
252b5132 RH |
163 | |
164 | %% | |
165 | ||
d038301c | 166 | file: |
252b5132 RH |
167 | INPUT_SCRIPT script_file |
168 | | INPUT_MRI_SCRIPT mri_script_file | |
169 | | INPUT_VERSION_SCRIPT version_script_file | |
55255dae | 170 | | INPUT_DYNAMIC_LIST dynamic_list_file |
252b5132 RH |
171 | | INPUT_DEFSYM defsym_expr |
172 | ; | |
173 | ||
174 | ||
175 | filename: NAME; | |
176 | ||
177 | ||
178 | defsym_expr: | |
fb6c220e AM |
179 | { ldlex_expression(); } |
180 | assignment | |
181 | { ldlex_popstate(); } | |
944cd72c | 182 | ; |
252b5132 | 183 | |
d038301c | 184 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
252b5132 RH |
185 | mri_script_file: |
186 | { | |
187 | ldlex_mri_script (); | |
188 | PUSH_ERROR (_("MRI style script")); | |
189 | } | |
190 | mri_script_lines | |
191 | { | |
192 | ldlex_popstate (); | |
193 | mri_draw_tree (); | |
194 | POP_ERROR (); | |
195 | } | |
196 | ; | |
197 | ||
198 | mri_script_lines: | |
199 | mri_script_lines mri_script_command NEWLINE | |
6c19b93b | 200 | | |
252b5132 RH |
201 | ; |
202 | ||
203 | mri_script_command: | |
d038301c | 204 | CHIP exp |
252b5132 | 205 | | CHIP exp ',' exp |
6c19b93b | 206 | | NAME { |
df5f2391 | 207 | einfo(_("%F%P: unrecognised keyword in MRI style script '%s'\n"),$1); |
252b5132 | 208 | } |
6c19b93b | 209 | | LIST { |
252b5132 RH |
210 | config.map_filename = "-"; |
211 | } | |
6c19b93b AM |
212 | | ORDER ordernamelist |
213 | | ENDWORD | |
214 | | PUBLIC NAME '=' exp | |
215 | { mri_public($2, $4); } | |
216 | | PUBLIC NAME ',' exp | |
217 | { mri_public($2, $4); } | |
218 | | PUBLIC NAME exp | |
219 | { mri_public($2, $3); } | |
220 | | FORMAT NAME | |
252b5132 RH |
221 | { mri_format($2); } |
222 | | SECT NAME ',' exp | |
223 | { mri_output_section($2, $4);} | |
224 | | SECT NAME exp | |
225 | { mri_output_section($2, $3);} | |
226 | | SECT NAME '=' exp | |
227 | { mri_output_section($2, $4);} | |
228 | | ALIGN_K NAME '=' exp | |
229 | { mri_align($2,$4); } | |
230 | | ALIGN_K NAME ',' exp | |
231 | { mri_align($2,$4); } | |
232 | | ALIGNMOD NAME '=' exp | |
233 | { mri_alignmod($2,$4); } | |
234 | | ALIGNMOD NAME ',' exp | |
235 | { mri_alignmod($2,$4); } | |
236 | | ABSOLUTE mri_abs_name_list | |
237 | | LOAD mri_load_name_list | |
6c19b93b | 238 | | NAMEWORD NAME |
d038301c | 239 | { mri_name($2); } |
252b5132 RH |
240 | | ALIAS NAME ',' NAME |
241 | { mri_alias($2,$4,0);} | |
242 | | ALIAS NAME ',' INT | |
2c382fb6 | 243 | { mri_alias ($2, 0, (int) $4.integer); } |
6c19b93b | 244 | | BASE exp |
252b5132 | 245 | { mri_base($2); } |
2c382fb6 AM |
246 | | TRUNCATE INT |
247 | { mri_truncate ((unsigned int) $2.integer); } | |
252b5132 RH |
248 | | CASE casesymlist |
249 | | EXTERN extern_name_list | |
250 | | INCLUDE filename | |
3bb17dfb | 251 | { ldfile_open_command_file ($2); } |
b47c4208 | 252 | mri_script_lines END |
252b5132 | 253 | | START NAME |
f38a2680 | 254 | { lang_add_entry ($2, false); } |
6c19b93b | 255 | | |
252b5132 RH |
256 | ; |
257 | ||
258 | ordernamelist: | |
6c19b93b AM |
259 | ordernamelist ',' NAME { mri_order($3); } |
260 | | ordernamelist NAME { mri_order($2); } | |
261 | | | |
252b5132 RH |
262 | ; |
263 | ||
264 | mri_load_name_list: | |
265 | NAME | |
266 | { mri_load($1); } | |
267 | | mri_load_name_list ',' NAME { mri_load($3); } | |
268 | ; | |
269 | ||
270 | mri_abs_name_list: | |
6c19b93b AM |
271 | NAME |
272 | { mri_only_load($1); } | |
252b5132 | 273 | | mri_abs_name_list ',' NAME |
6c19b93b | 274 | { mri_only_load($3); } |
252b5132 RH |
275 | ; |
276 | ||
277 | casesymlist: | |
278 | /* empty */ { $$ = NULL; } | |
279 | | NAME | |
280 | | casesymlist ',' NAME | |
281 | ; | |
282 | ||
283 | extern_name_list: | |
34a7af0f | 284 | NAME |
f38a2680 | 285 | { ldlang_add_undef ($1, false); } |
34a7af0f | 286 | | extern_name_list NAME |
f38a2680 | 287 | { ldlang_add_undef ($2, false); } |
34a7af0f | 288 | | extern_name_list ',' NAME |
f38a2680 | 289 | { ldlang_add_undef ($3, false); } |
252b5132 RH |
290 | ; |
291 | ||
292 | script_file: | |
af29a8ab | 293 | { ldlex_script (); } |
8545d1a9 | 294 | ifile_list |
af29a8ab | 295 | { ldlex_popstate (); } |
6c19b93b | 296 | ; |
252b5132 | 297 | |
252b5132 | 298 | ifile_list: |
8545d1a9 | 299 | ifile_list ifile_p1 |
6c19b93b | 300 | | |
252b5132 RH |
301 | ; |
302 | ||
303 | ||
252b5132 RH |
304 | ifile_p1: |
305 | memory | |
306 | | sections | |
307 | | phdrs | |
308 | | startup | |
309 | | high_level_library | |
310 | | low_level_library | |
311 | | floating_point_support | |
312 | | statement_anywhere | |
313 | | version | |
6c19b93b | 314 | | ';' |
252b5132 RH |
315 | | TARGET_K '(' NAME ')' |
316 | { lang_add_target($3); } | |
317 | | SEARCH_DIR '(' filename ')' | |
f38a2680 | 318 | { ldfile_add_library_path ($3, false); } |
252b5132 RH |
319 | | OUTPUT '(' filename ')' |
320 | { lang_add_output($3, 1); } | |
6c19b93b | 321 | | OUTPUT_FORMAT '(' NAME ')' |
252b5132 RH |
322 | { lang_add_output_format ($3, (char *) NULL, |
323 | (char *) NULL, 1); } | |
324 | | OUTPUT_FORMAT '(' NAME ',' NAME ',' NAME ')' | |
325 | { lang_add_output_format ($3, $5, $7, 1); } | |
6c19b93b | 326 | | OUTPUT_ARCH '(' NAME ')' |
5e2f1575 | 327 | { ldfile_set_output_arch ($3, bfd_arch_unknown); } |
252b5132 | 328 | | FORCE_COMMON_ALLOCATION |
f38a2680 | 329 | { command_line.force_common_definition = true ; } |
7bdf4127 | 330 | | FORCE_GROUP_ALLOCATION |
f38a2680 | 331 | { command_line.force_group_allocation = true ; } |
4818e05f | 332 | | INHIBIT_COMMON_ALLOCATION |
f38a2680 | 333 | { link_info.inhibit_common_definition = true ; } |
252b5132 RH |
334 | | INPUT '(' input_list ')' |
335 | | GROUP | |
336 | { lang_enter_group (); } | |
337 | '(' input_list ')' | |
338 | { lang_leave_group (); } | |
6c19b93b | 339 | | MAP '(' filename ')' |
252b5132 | 340 | { lang_add_map($3); } |
d038301c | 341 | | INCLUDE filename |
3bb17dfb | 342 | { ldfile_open_command_file ($2); } |
b47c4208 | 343 | ifile_list END |
252b5132 RH |
344 | | NOCROSSREFS '(' nocrossref_list ')' |
345 | { | |
346 | lang_add_nocrossref ($3); | |
347 | } | |
cdf96953 MF |
348 | | NOCROSSREFS_TO '(' nocrossref_list ')' |
349 | { | |
350 | lang_add_nocrossref_to ($3); | |
351 | } | |
34a7af0f AM |
352 | | EXTERN '(' { ldlex_expression (); } extern_name_list ')' |
353 | { ldlex_popstate (); } | |
53d25da6 AM |
354 | | INSERT_K AFTER NAME |
355 | { lang_add_insert ($3, 0); } | |
356 | | INSERT_K BEFORE NAME | |
357 | { lang_add_insert ($3, 1); } | |
4a93e180 NC |
358 | | REGION_ALIAS '(' NAME ',' NAME ')' |
359 | { lang_memory_region_alias ($3, $5); } | |
01554a74 AM |
360 | | LD_FEATURE '(' NAME ')' |
361 | { lang_ld_feature ($3); } | |
252b5132 RH |
362 | ; |
363 | ||
364 | input_list: | |
eeed9cc7 HPN |
365 | { ldlex_inputlist(); } |
366 | input_list1 | |
367 | { ldlex_popstate(); } | |
368 | ||
369 | input_list1: | |
252b5132 RH |
370 | NAME |
371 | { lang_add_input_file($1,lang_input_file_is_search_file_enum, | |
372 | (char *)NULL); } | |
eeed9cc7 | 373 | | input_list1 ',' NAME |
252b5132 RH |
374 | { lang_add_input_file($3,lang_input_file_is_search_file_enum, |
375 | (char *)NULL); } | |
eeed9cc7 | 376 | | input_list1 NAME |
252b5132 RH |
377 | { lang_add_input_file($2,lang_input_file_is_search_file_enum, |
378 | (char *)NULL); } | |
379 | | LNAME | |
380 | { lang_add_input_file($1,lang_input_file_is_l_enum, | |
381 | (char *)NULL); } | |
eeed9cc7 | 382 | | input_list1 ',' LNAME |
252b5132 RH |
383 | { lang_add_input_file($3,lang_input_file_is_l_enum, |
384 | (char *)NULL); } | |
eeed9cc7 | 385 | | input_list1 LNAME |
252b5132 RH |
386 | { lang_add_input_file($2,lang_input_file_is_l_enum, |
387 | (char *)NULL); } | |
b717d30e | 388 | | AS_NEEDED '(' |
66be1055 | 389 | { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; |
f38a2680 | 390 | input_flags.add_DT_NEEDED_for_regular = true; } |
eeed9cc7 | 391 | input_list1 ')' |
66be1055 | 392 | { input_flags.add_DT_NEEDED_for_regular = $<integer>3; } |
eeed9cc7 | 393 | | input_list1 ',' AS_NEEDED '(' |
66be1055 | 394 | { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; |
f38a2680 | 395 | input_flags.add_DT_NEEDED_for_regular = true; } |
eeed9cc7 | 396 | input_list1 ')' |
66be1055 | 397 | { input_flags.add_DT_NEEDED_for_regular = $<integer>5; } |
eeed9cc7 | 398 | | input_list1 AS_NEEDED '(' |
66be1055 | 399 | { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; |
f38a2680 | 400 | input_flags.add_DT_NEEDED_for_regular = true; } |
eeed9cc7 | 401 | input_list1 ')' |
66be1055 | 402 | { input_flags.add_DT_NEEDED_for_regular = $<integer>4; } |
252b5132 RH |
403 | ; |
404 | ||
405 | sections: | |
406 | SECTIONS '{' sec_or_group_p1 '}' | |
407 | ; | |
408 | ||
409 | sec_or_group_p1: | |
410 | sec_or_group_p1 section | |
411 | | sec_or_group_p1 statement_anywhere | |
412 | | | |
413 | ; | |
414 | ||
415 | statement_anywhere: | |
416 | ENTRY '(' NAME ')' | |
f38a2680 | 417 | { lang_add_entry ($3, false); } |
6c93cebf | 418 | | assignment separator |
b6ca8815 NS |
419 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' |
420 | { ldlex_popstate (); | |
421 | lang_add_assignment (exp_assert ($4, $6)); } | |
252b5132 RH |
422 | ; |
423 | ||
252b5132 RH |
424 | wildcard_name: |
425 | NAME | |
426 | { | |
427 | $$ = $1; | |
428 | } | |
252b5132 RH |
429 | ; |
430 | ||
2b94abd4 | 431 | wildcard_maybe_exclude: |
252b5132 RH |
432 | wildcard_name |
433 | { | |
434 | $$.name = $1; | |
bcaa7b3e | 435 | $$.sorted = none; |
18625d54 | 436 | $$.exclude_name_list = NULL; |
ae17ab41 | 437 | $$.section_flag_list = NULL; |
252b5132 | 438 | } |
6c19b93b | 439 | | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name |
252b5132 RH |
440 | { |
441 | $$.name = $5; | |
bcaa7b3e | 442 | $$.sorted = none; |
18625d54 | 443 | $$.exclude_name_list = $3; |
ae17ab41 | 444 | $$.section_flag_list = NULL; |
252b5132 | 445 | } |
2b94abd4 AB |
446 | ; |
447 | ||
448 | filename_spec: | |
449 | wildcard_maybe_exclude | |
450 | | SORT_BY_NAME '(' wildcard_maybe_exclude ')' | |
252b5132 | 451 | { |
2b94abd4 | 452 | $$ = $3; |
bcaa7b3e | 453 | $$.sorted = by_name; |
252b5132 | 454 | } |
2b94abd4 AB |
455 | | SORT_NONE '(' wildcard_maybe_exclude ')' |
456 | { | |
457 | $$ = $3; | |
458 | $$.sorted = by_none; | |
459 | } | |
460 | ; | |
461 | ||
462 | section_name_spec: | |
463 | wildcard_maybe_exclude | |
464 | | SORT_BY_NAME '(' wildcard_maybe_exclude ')' | |
bcaa7b3e | 465 | { |
2b94abd4 AB |
466 | $$ = $3; |
467 | $$.sorted = by_name; | |
468 | } | |
469 | | SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' | |
470 | { | |
471 | $$ = $3; | |
bcaa7b3e | 472 | $$.sorted = by_alignment; |
bcaa7b3e | 473 | } |
2b94abd4 | 474 | | SORT_NONE '(' wildcard_maybe_exclude ')' |
eda680f8 | 475 | { |
2b94abd4 | 476 | $$ = $3; |
eda680f8 | 477 | $$.sorted = by_none; |
eda680f8 | 478 | } |
2b94abd4 | 479 | | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 480 | { |
2b94abd4 | 481 | $$ = $5; |
bcaa7b3e | 482 | $$.sorted = by_name_alignment; |
bcaa7b3e | 483 | } |
2b94abd4 | 484 | | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 485 | { |
2b94abd4 | 486 | $$ = $5; |
bcaa7b3e | 487 | $$.sorted = by_name; |
bcaa7b3e | 488 | } |
2b94abd4 | 489 | | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 490 | { |
2b94abd4 | 491 | $$ = $5; |
bcaa7b3e | 492 | $$.sorted = by_alignment_name; |
bcaa7b3e | 493 | } |
2b94abd4 | 494 | | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 495 | { |
2b94abd4 | 496 | $$ = $5; |
bcaa7b3e | 497 | $$.sorted = by_alignment; |
252b5132 | 498 | } |
2b94abd4 | 499 | | SORT_BY_INIT_PRIORITY '(' wildcard_maybe_exclude ')' |
02ecc8e9 | 500 | { |
2b94abd4 | 501 | $$ = $3; |
02ecc8e9 | 502 | $$.sorted = by_init_priority; |
ae17ab41 CM |
503 | } |
504 | ; | |
505 | ||
506 | sect_flag_list: NAME | |
507 | { | |
508 | struct flag_info_list *n; | |
509 | n = ((struct flag_info_list *) xmalloc (sizeof *n)); | |
510 | if ($1[0] == '!') | |
511 | { | |
512 | n->with = without_flags; | |
513 | n->name = &$1[1]; | |
514 | } | |
515 | else | |
516 | { | |
517 | n->with = with_flags; | |
518 | n->name = $1; | |
519 | } | |
f38a2680 | 520 | n->valid = false; |
ae17ab41 CM |
521 | n->next = NULL; |
522 | $$ = n; | |
523 | } | |
524 | | sect_flag_list '&' NAME | |
525 | { | |
526 | struct flag_info_list *n; | |
527 | n = ((struct flag_info_list *) xmalloc (sizeof *n)); | |
528 | if ($3[0] == '!') | |
529 | { | |
530 | n->with = without_flags; | |
531 | n->name = &$3[1]; | |
532 | } | |
533 | else | |
534 | { | |
535 | n->with = with_flags; | |
536 | n->name = $3; | |
537 | } | |
f38a2680 | 538 | n->valid = false; |
ae17ab41 CM |
539 | n->next = $1; |
540 | $$ = n; | |
541 | } | |
542 | ; | |
543 | ||
544 | sect_flags: | |
545 | INPUT_SECTION_FLAGS '(' sect_flag_list ')' | |
546 | { | |
547 | struct flag_info *n; | |
548 | n = ((struct flag_info *) xmalloc (sizeof *n)); | |
549 | n->flag_list = $3; | |
f38a2680 | 550 | n->flags_initialized = false; |
ae17ab41 CM |
551 | n->not_with_flags = 0; |
552 | n->only_with_flags = 0; | |
553 | $$ = n; | |
02ecc8e9 | 554 | } |
252b5132 RH |
555 | ; |
556 | ||
18625d54 | 557 | exclude_name_list: |
765b7cbe | 558 | exclude_name_list wildcard_name |
18625d54 CM |
559 | { |
560 | struct name_list *tmp; | |
561 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
765b7cbe | 562 | tmp->name = $2; |
18625d54 | 563 | tmp->next = $1; |
d038301c | 564 | $$ = tmp; |
18625d54 CM |
565 | } |
566 | | | |
567 | wildcard_name | |
568 | { | |
569 | struct name_list *tmp; | |
570 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
571 | tmp->name = $1; | |
572 | tmp->next = NULL; | |
573 | $$ = tmp; | |
574 | } | |
575 | ; | |
576 | ||
2b94abd4 AB |
577 | section_name_list: |
578 | section_name_list opt_comma section_name_spec | |
252b5132 | 579 | { |
b6bf44ba AM |
580 | struct wildcard_list *tmp; |
581 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
582 | tmp->next = $1; | |
583 | tmp->spec = $3; | |
584 | $$ = tmp; | |
252b5132 | 585 | } |
b6bf44ba | 586 | | |
2b94abd4 | 587 | section_name_spec |
252b5132 | 588 | { |
b6bf44ba AM |
589 | struct wildcard_list *tmp; |
590 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
591 | tmp->next = NULL; | |
592 | tmp->spec = $1; | |
593 | $$ = tmp; | |
252b5132 RH |
594 | } |
595 | ; | |
596 | ||
597 | input_section_spec_no_keep: | |
598 | NAME | |
599 | { | |
b6bf44ba AM |
600 | struct wildcard_spec tmp; |
601 | tmp.name = $1; | |
602 | tmp.exclude_name_list = NULL; | |
bcaa7b3e | 603 | tmp.sorted = none; |
ae17ab41 CM |
604 | tmp.section_flag_list = NULL; |
605 | lang_add_wild (&tmp, NULL, ldgram_had_keep); | |
606 | } | |
607 | | sect_flags NAME | |
608 | { | |
609 | struct wildcard_spec tmp; | |
610 | tmp.name = $2; | |
611 | tmp.exclude_name_list = NULL; | |
612 | tmp.sorted = none; | |
613 | tmp.section_flag_list = $1; | |
b6bf44ba | 614 | lang_add_wild (&tmp, NULL, ldgram_had_keep); |
252b5132 | 615 | } |
6c19b93b | 616 | | '[' section_name_list ']' |
252b5132 | 617 | { |
b6bf44ba | 618 | lang_add_wild (NULL, $2, ldgram_had_keep); |
252b5132 | 619 | } |
6c19b93b | 620 | | sect_flags '[' section_name_list ']' |
ae17ab41 CM |
621 | { |
622 | struct wildcard_spec tmp; | |
623 | tmp.name = NULL; | |
624 | tmp.exclude_name_list = NULL; | |
625 | tmp.sorted = none; | |
626 | tmp.section_flag_list = $1; | |
09f6ed34 | 627 | lang_add_wild (&tmp, $3, ldgram_had_keep); |
ae17ab41 | 628 | } |
2b94abd4 | 629 | | filename_spec '(' section_name_list ')' |
252b5132 | 630 | { |
b6bf44ba | 631 | lang_add_wild (&$1, $3, ldgram_had_keep); |
252b5132 | 632 | } |
2b94abd4 | 633 | | sect_flags filename_spec '(' section_name_list ')' |
ae17ab41 CM |
634 | { |
635 | $2.section_flag_list = $1; | |
636 | lang_add_wild (&$2, $4, ldgram_had_keep); | |
637 | } | |
252b5132 RH |
638 | ; |
639 | ||
640 | input_section_spec: | |
641 | input_section_spec_no_keep | |
642 | | KEEP '(' | |
f38a2680 | 643 | { ldgram_had_keep = true; } |
252b5132 | 644 | input_section_spec_no_keep ')' |
f38a2680 | 645 | { ldgram_had_keep = false; } |
252b5132 RH |
646 | ; |
647 | ||
648 | statement: | |
6c93cebf AM |
649 | ';' |
650 | | assignment separator | |
651 | | CREATE_OBJECT_SYMBOLS | |
252b5132 | 652 | { |
6c93cebf | 653 | lang_add_attribute (lang_object_symbols_statement_enum); |
6c19b93b | 654 | } |
6c93cebf | 655 | | CONSTRUCTORS |
252b5132 | 656 | { |
6c93cebf | 657 | lang_add_attribute (lang_constructors_statement_enum); |
252b5132 | 658 | } |
bcaa7b3e | 659 | | SORT_BY_NAME '(' CONSTRUCTORS ')' |
252b5132 | 660 | { |
f38a2680 | 661 | constructors_sorted = true; |
252b5132 RH |
662 | lang_add_attribute (lang_constructors_statement_enum); |
663 | } | |
664 | | input_section_spec | |
6c19b93b AM |
665 | | length '(' mustbe_exp ')' |
666 | { | |
667 | lang_add_data ((int) $1, $3); | |
668 | } | |
d038301c | 669 | |
2c382fb6 | 670 | | FILL '(' fill_exp ')' |
6c19b93b AM |
671 | { |
672 | lang_add_fill ($3); | |
673 | } | |
6c93cebf AM |
674 | | ASSERT_K |
675 | { ldlex_expression (); } | |
676 | '(' exp ',' NAME ')' separator | |
677 | { | |
678 | ldlex_popstate (); | |
679 | lang_add_assignment (exp_assert ($4, $6)); | |
680 | } | |
4006703d | 681 | | INCLUDE filename |
6c93cebf | 682 | { |
6c93cebf AM |
683 | ldfile_open_command_file ($2); |
684 | } | |
685 | statement_list_opt END | |
252b5132 RH |
686 | ; |
687 | ||
688 | statement_list: | |
689 | statement_list statement | |
6c19b93b | 690 | | statement |
252b5132 | 691 | ; |
d038301c | 692 | |
252b5132 RH |
693 | statement_list_opt: |
694 | /* empty */ | |
695 | | statement_list | |
696 | ; | |
697 | ||
698 | length: | |
699 | QUAD | |
700 | { $$ = $1; } | |
701 | | SQUAD | |
702 | { $$ = $1; } | |
703 | | LONG | |
704 | { $$ = $1; } | |
6c19b93b | 705 | | SHORT |
252b5132 RH |
706 | { $$ = $1; } |
707 | | BYTE | |
708 | { $$ = $1; } | |
709 | ; | |
710 | ||
2c382fb6 AM |
711 | fill_exp: |
712 | mustbe_exp | |
252b5132 | 713 | { |
e9ee469a | 714 | $$ = exp_get_fill ($1, 0, "fill value"); |
252b5132 | 715 | } |
252b5132 RH |
716 | ; |
717 | ||
2c382fb6 AM |
718 | fill_opt: |
719 | '=' fill_exp | |
720 | { $$ = $2; } | |
6c19b93b | 721 | | { $$ = (fill_type *) 0; } |
2c382fb6 | 722 | ; |
252b5132 RH |
723 | |
724 | assign_op: | |
725 | PLUSEQ | |
726 | { $$ = '+'; } | |
727 | | MINUSEQ | |
728 | { $$ = '-'; } | |
6c19b93b | 729 | | MULTEQ |
252b5132 | 730 | { $$ = '*'; } |
6c19b93b | 731 | | DIVEQ |
252b5132 | 732 | { $$ = '/'; } |
6c19b93b | 733 | | LSHIFTEQ |
252b5132 | 734 | { $$ = LSHIFT; } |
6c19b93b | 735 | | RSHIFTEQ |
252b5132 | 736 | { $$ = RSHIFT; } |
6c19b93b | 737 | | ANDEQ |
252b5132 | 738 | { $$ = '&'; } |
6c19b93b | 739 | | OREQ |
252b5132 RH |
740 | { $$ = '|'; } |
741 | ||
742 | ; | |
743 | ||
6c93cebf | 744 | separator: ';' | ',' |
252b5132 RH |
745 | ; |
746 | ||
747 | ||
748 | assignment: | |
749 | NAME '=' mustbe_exp | |
750 | { | |
f38a2680 | 751 | lang_add_assignment (exp_assign ($1, $3, false)); |
252b5132 RH |
752 | } |
753 | | NAME assign_op mustbe_exp | |
754 | { | |
2e57b2af AM |
755 | lang_add_assignment (exp_assign ($1, |
756 | exp_binop ($2, | |
757 | exp_nameop (NAME, | |
758 | $1), | |
f38a2680 | 759 | $3), false)); |
eb8476a6 MR |
760 | } |
761 | | HIDDEN '(' NAME '=' mustbe_exp ')' | |
762 | { | |
f38a2680 | 763 | lang_add_assignment (exp_assign ($3, $5, true)); |
252b5132 RH |
764 | } |
765 | | PROVIDE '(' NAME '=' mustbe_exp ')' | |
766 | { | |
f38a2680 | 767 | lang_add_assignment (exp_provide ($3, $5, false)); |
7af8e998 L |
768 | } |
769 | | PROVIDE_HIDDEN '(' NAME '=' mustbe_exp ')' | |
770 | { | |
f38a2680 | 771 | lang_add_assignment (exp_provide ($3, $5, true)); |
252b5132 RH |
772 | } |
773 | ; | |
774 | ||
775 | ||
776 | opt_comma: | |
777 | ',' | ; | |
778 | ||
779 | ||
780 | memory: | |
4006703d | 781 | MEMORY '{' memory_spec_list_opt '}' |
252b5132 RH |
782 | ; |
783 | ||
4006703d NS |
784 | memory_spec_list_opt: memory_spec_list | ; |
785 | ||
252b5132 | 786 | memory_spec_list: |
4006703d NS |
787 | memory_spec_list opt_comma memory_spec |
788 | | memory_spec | |
252b5132 RH |
789 | ; |
790 | ||
791 | ||
6c19b93b | 792 | memory_spec: NAME |
f38a2680 | 793 | { region = lang_memory_region_lookup ($1, true); } |
252b5132 RH |
794 | attributes_opt ':' |
795 | origin_spec opt_comma length_spec | |
2d801b0f | 796 | {} |
4006703d | 797 | | INCLUDE filename |
3bb17dfb | 798 | { ldfile_open_command_file ($2); } |
4006703d | 799 | memory_spec_list_opt END |
74459f0e TW |
800 | ; |
801 | ||
802 | origin_spec: | |
252b5132 | 803 | ORIGIN '=' mustbe_exp |
e9ee469a | 804 | { |
cc9ad334 | 805 | region->origin_exp = $3; |
e9ee469a | 806 | } |
252b5132 RH |
807 | ; |
808 | ||
809 | length_spec: | |
6c19b93b | 810 | LENGTH '=' mustbe_exp |
e9ee469a | 811 | { |
a3e8dd2a AM |
812 | if (yychar == NAME) |
813 | { | |
814 | yyclearin; | |
815 | ldlex_backup (); | |
816 | } | |
cc9ad334 | 817 | region->length_exp = $3; |
252b5132 | 818 | } |
aa8804e4 | 819 | ; |
252b5132 RH |
820 | |
821 | attributes_opt: | |
aa8804e4 ILT |
822 | /* empty */ |
823 | { /* dummy action to avoid bison 1.25 error message */ } | |
824 | | '(' attributes_list ')' | |
825 | ; | |
826 | ||
827 | attributes_list: | |
828 | attributes_string | |
829 | | attributes_list attributes_string | |
830 | ; | |
831 | ||
832 | attributes_string: | |
833 | NAME | |
834 | { lang_set_flags (region, $1, 0); } | |
835 | | '!' NAME | |
836 | { lang_set_flags (region, $2, 1); } | |
252b5132 RH |
837 | ; |
838 | ||
839 | startup: | |
840 | STARTUP '(' filename ')' | |
841 | { lang_startup($3); } | |
842 | ; | |
843 | ||
844 | high_level_library: | |
845 | HLL '(' high_level_library_NAME_list ')' | |
846 | | HLL '(' ')' | |
847 | { ldemul_hll((char *)NULL); } | |
848 | ; | |
849 | ||
850 | high_level_library_NAME_list: | |
851 | high_level_library_NAME_list opt_comma filename | |
852 | { ldemul_hll($3); } | |
853 | | filename | |
854 | { ldemul_hll($1); } | |
252b5132 RH |
855 | ; |
856 | ||
857 | low_level_library: | |
858 | SYSLIB '(' low_level_library_NAME_list ')' | |
a5f92c67 AM |
859 | ; |
860 | ||
861 | low_level_library_NAME_list: | |
252b5132 RH |
862 | low_level_library_NAME_list opt_comma filename |
863 | { ldemul_syslib($3); } | |
864 | | | |
865 | ; | |
866 | ||
867 | floating_point_support: | |
868 | FLOAT | |
f38a2680 | 869 | { lang_float(true); } |
252b5132 | 870 | | NOFLOAT |
f38a2680 | 871 | { lang_float(false); } |
252b5132 | 872 | ; |
d038301c | 873 | |
252b5132 RH |
874 | nocrossref_list: |
875 | /* empty */ | |
876 | { | |
877 | $$ = NULL; | |
878 | } | |
879 | | NAME nocrossref_list | |
880 | { | |
881 | struct lang_nocrossref *n; | |
882 | ||
883 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
884 | n->name = $1; | |
885 | n->next = $2; | |
886 | $$ = n; | |
887 | } | |
888 | | NAME ',' nocrossref_list | |
889 | { | |
890 | struct lang_nocrossref *n; | |
891 | ||
892 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
893 | n->name = $1; | |
894 | n->next = $3; | |
895 | $$ = n; | |
896 | } | |
897 | ; | |
898 | ||
6c93cebf AM |
899 | paren_script_name: { ldlex_script (); } |
900 | '(' NAME ')' | |
901 | { ldlex_popstate (); $$ = $3; } | |
553dd76c | 902 | |
6c93cebf | 903 | mustbe_exp: { ldlex_expression (); } |
252b5132 | 904 | exp |
6c93cebf | 905 | { ldlex_popstate (); $$ = $2; } |
252b5132 RH |
906 | ; |
907 | ||
908 | exp : | |
909 | '-' exp %prec UNARY | |
3ec57632 | 910 | { $$ = exp_unop ('-', $2); } |
252b5132 RH |
911 | | '(' exp ')' |
912 | { $$ = $2; } | |
913 | | NEXT '(' exp ')' %prec UNARY | |
3ec57632 | 914 | { $$ = exp_unop ((int) $1,$3); } |
252b5132 | 915 | | '!' exp %prec UNARY |
3ec57632 | 916 | { $$ = exp_unop ('!', $2); } |
252b5132 RH |
917 | | '+' exp %prec UNARY |
918 | { $$ = $2; } | |
919 | | '~' exp %prec UNARY | |
3ec57632 | 920 | { $$ = exp_unop ('~', $2);} |
252b5132 RH |
921 | |
922 | | exp '*' exp | |
3ec57632 | 923 | { $$ = exp_binop ('*', $1, $3); } |
252b5132 | 924 | | exp '/' exp |
3ec57632 | 925 | { $$ = exp_binop ('/', $1, $3); } |
252b5132 | 926 | | exp '%' exp |
3ec57632 | 927 | { $$ = exp_binop ('%', $1, $3); } |
252b5132 | 928 | | exp '+' exp |
3ec57632 | 929 | { $$ = exp_binop ('+', $1, $3); } |
252b5132 | 930 | | exp '-' exp |
3ec57632 | 931 | { $$ = exp_binop ('-' , $1, $3); } |
252b5132 | 932 | | exp LSHIFT exp |
3ec57632 | 933 | { $$ = exp_binop (LSHIFT , $1, $3); } |
252b5132 | 934 | | exp RSHIFT exp |
3ec57632 | 935 | { $$ = exp_binop (RSHIFT , $1, $3); } |
252b5132 | 936 | | exp EQ exp |
3ec57632 | 937 | { $$ = exp_binop (EQ , $1, $3); } |
252b5132 | 938 | | exp NE exp |
3ec57632 | 939 | { $$ = exp_binop (NE , $1, $3); } |
252b5132 | 940 | | exp LE exp |
3ec57632 | 941 | { $$ = exp_binop (LE , $1, $3); } |
6c19b93b | 942 | | exp GE exp |
3ec57632 | 943 | { $$ = exp_binop (GE , $1, $3); } |
252b5132 | 944 | | exp '<' exp |
3ec57632 | 945 | { $$ = exp_binop ('<' , $1, $3); } |
252b5132 | 946 | | exp '>' exp |
3ec57632 | 947 | { $$ = exp_binop ('>' , $1, $3); } |
252b5132 | 948 | | exp '&' exp |
3ec57632 | 949 | { $$ = exp_binop ('&' , $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 ':' exp |
3ec57632 | 955 | { $$ = exp_trinop ('?' , $1, $3, $5); } |
252b5132 | 956 | | exp ANDAND exp |
3ec57632 | 957 | { $$ = exp_binop (ANDAND , $1, $3); } |
252b5132 | 958 | | exp OROR exp |
3ec57632 | 959 | { $$ = exp_binop (OROR , $1, $3); } |
252b5132 | 960 | | DEFINED '(' NAME ')' |
3ec57632 | 961 | { $$ = exp_nameop (DEFINED, $3); } |
252b5132 | 962 | | INT |
2c382fb6 | 963 | { $$ = exp_bigintop ($1.integer, $1.str); } |
6c19b93b | 964 | | SIZEOF_HEADERS |
3ec57632 | 965 | { $$ = exp_nameop (SIZEOF_HEADERS,0); } |
252b5132 | 966 | |
553dd76c AM |
967 | | ALIGNOF paren_script_name |
968 | { $$ = exp_nameop (ALIGNOF, $2); } | |
969 | | SIZEOF paren_script_name | |
970 | { $$ = exp_nameop (SIZEOF, $2); } | |
971 | | ADDR paren_script_name | |
972 | { $$ = exp_nameop (ADDR, $2); } | |
973 | | LOADADDR paren_script_name | |
974 | { $$ = exp_nameop (LOADADDR, $2); } | |
24718e3b L |
975 | | CONSTANT '(' NAME ')' |
976 | { $$ = exp_nameop (CONSTANT,$3); } | |
252b5132 | 977 | | ABSOLUTE '(' exp ')' |
3ec57632 | 978 | { $$ = exp_unop (ABSOLUTE, $3); } |
252b5132 | 979 | | ALIGN_K '(' exp ')' |
3ec57632 | 980 | { $$ = exp_unop (ALIGN_K,$3); } |
876f4090 | 981 | | ALIGN_K '(' exp ',' exp ')' |
3ec57632 | 982 | { $$ = exp_binop (ALIGN_K,$3,$5); } |
2d20f7bf JJ |
983 | | DATA_SEGMENT_ALIGN '(' exp ',' exp ')' |
984 | { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); } | |
a4f5ad88 JJ |
985 | | DATA_SEGMENT_RELRO_END '(' exp ',' exp ')' |
986 | { $$ = exp_binop (DATA_SEGMENT_RELRO_END, $5, $3); } | |
2d20f7bf | 987 | | DATA_SEGMENT_END '(' exp ')' |
3ec57632 | 988 | { $$ = exp_unop (DATA_SEGMENT_END, $3); } |
553dd76c AM |
989 | | SEGMENT_START { ldlex_script (); } '(' NAME |
990 | { ldlex_popstate (); } ',' exp ')' | |
6c19b93b | 991 | { /* The operands to the expression node are |
ba916c8a MM |
992 | placed in the opposite order from the way |
993 | in which they appear in the script as | |
994 | that allows us to reuse more code in | |
995 | fold_binary. */ | |
996 | $$ = exp_binop (SEGMENT_START, | |
553dd76c AM |
997 | $7, |
998 | exp_nameop (NAME, $4)); } | |
252b5132 | 999 | | BLOCK '(' exp ')' |
3ec57632 | 1000 | { $$ = exp_unop (ALIGN_K,$3); } |
252b5132 | 1001 | | NAME |
3ec57632 | 1002 | { $$ = exp_nameop (NAME,$1); } |
252b5132 RH |
1003 | | MAX_K '(' exp ',' exp ')' |
1004 | { $$ = exp_binop (MAX_K, $3, $5 ); } | |
1005 | | MIN_K '(' exp ',' exp ')' | |
1006 | { $$ = exp_binop (MIN_K, $3, $5 ); } | |
1007 | | ASSERT_K '(' exp ',' NAME ')' | |
1008 | { $$ = exp_assert ($3, $5); } | |
af29a8ab AM |
1009 | | ORIGIN paren_script_name |
1010 | { $$ = exp_nameop (ORIGIN, $2); } | |
1011 | | LENGTH paren_script_name | |
1012 | { $$ = exp_nameop (LENGTH, $2); } | |
2e53f7d6 NC |
1013 | | LOG2CEIL '(' exp ')' |
1014 | { $$ = exp_unop (LOG2CEIL, $3); } | |
252b5132 RH |
1015 | ; |
1016 | ||
1017 | ||
562d3460 | 1018 | memspec_at_opt: |
6c19b93b AM |
1019 | AT '>' NAME { $$ = $3; } |
1020 | | { $$ = 0; } | |
1021 | ; | |
562d3460 | 1022 | |
252b5132 RH |
1023 | opt_at: |
1024 | AT '(' exp ')' { $$ = $3; } | |
1025 | | { $$ = 0; } | |
1026 | ; | |
1027 | ||
bbf115d3 L |
1028 | opt_align: |
1029 | ALIGN_K '(' exp ')' { $$ = $3; } | |
1030 | | { $$ = 0; } | |
1031 | ; | |
1032 | ||
1eec346e NC |
1033 | opt_align_with_input: |
1034 | ALIGN_WITH_INPUT { $$ = ALIGN_WITH_INPUT; } | |
1035 | | { $$ = 0; } | |
1036 | ; | |
1037 | ||
7e7d5768 AM |
1038 | opt_subalign: |
1039 | SUBALIGN '(' exp ')' { $$ = $3; } | |
1040 | | { $$ = 0; } | |
1041 | ; | |
1042 | ||
0841712e JJ |
1043 | sect_constraint: |
1044 | ONLY_IF_RO { $$ = ONLY_IF_RO; } | |
1045 | | ONLY_IF_RW { $$ = ONLY_IF_RW; } | |
0cf7d72c | 1046 | | SPECIAL { $$ = SPECIAL; } |
0841712e JJ |
1047 | | { $$ = 0; } |
1048 | ; | |
1049 | ||
6c93cebf AM |
1050 | section: NAME |
1051 | { ldlex_expression(); } | |
d038301c | 1052 | opt_exp_with_type |
7e7d5768 | 1053 | opt_at |
bbf115d3 | 1054 | opt_align |
1eec346e | 1055 | opt_align_with_input |
6c93cebf | 1056 | opt_subalign |
0841712e | 1057 | sect_constraint |
252b5132 | 1058 | { |
af29a8ab AM |
1059 | ldlex_popstate (); |
1060 | ldlex_wild (); | |
6c93cebf AM |
1061 | lang_enter_output_section_statement($1, $3, sectype, |
1062 | $5, $7, $4, | |
af29a8ab | 1063 | $8, $6); |
252b5132 | 1064 | } |
af29a8ab | 1065 | '{' |
d038301c | 1066 | statement_list_opt |
6c93cebf | 1067 | '}' |
af29a8ab | 1068 | { ldlex_popstate (); } |
562d3460 | 1069 | memspec_opt memspec_at_opt phdr_opt fill_opt |
6c93cebf | 1070 | { |
4ffb22ec AM |
1071 | /* fill_opt may have switched the lexer into |
1072 | expression state, and back again, but in | |
1073 | order to find the end of the fill | |
1074 | expression the parser must look ahead one | |
1075 | token. If it is a NAME, throw it away as | |
1076 | it will have been lexed in the wrong | |
1077 | state. */ | |
1078 | if (yychar == NAME) | |
1079 | { | |
1080 | yyclearin; | |
1081 | ldlex_backup (); | |
1082 | } | |
af29a8ab AM |
1083 | lang_leave_output_section_statement ($17, $14, |
1084 | $16, $15); | |
6c93cebf | 1085 | } |
252b5132 RH |
1086 | opt_comma |
1087 | | OVERLAY | |
1088 | { ldlex_expression (); } | |
7e7d5768 | 1089 | opt_exp_without_type opt_nocrossrefs opt_at opt_subalign |
af29a8ab | 1090 | { ldlex_popstate (); } |
d038301c | 1091 | '{' |
252b5132 | 1092 | { |
7e7d5768 | 1093 | lang_enter_overlay ($3, $6); |
252b5132 RH |
1094 | } |
1095 | overlay_section | |
1096 | '}' | |
562d3460 | 1097 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 | 1098 | { |
4ffb22ec AM |
1099 | if (yychar == NAME) |
1100 | { | |
1101 | yyclearin; | |
1102 | ldlex_backup (); | |
1103 | } | |
9f88b410 | 1104 | lang_leave_overlay ($5, (int) $4, |
af29a8ab | 1105 | $15, $12, $14, $13); |
252b5132 RH |
1106 | } |
1107 | opt_comma | |
1108 | | /* The GROUP case is just enough to support the gcc | |
1109 | svr3.ifile script. It is not intended to be full | |
1110 | support. I'm not even sure what GROUP is supposed | |
1111 | to mean. */ | |
6c93cebf AM |
1112 | GROUP |
1113 | { ldlex_expression (); } | |
252b5132 | 1114 | opt_exp_with_type |
6c93cebf AM |
1115 | { |
1116 | ldlex_popstate (); | |
1117 | lang_add_assignment (exp_assign (".", $3, false)); | |
1118 | } | |
252b5132 | 1119 | '{' sec_or_group_p1 '}' |
4006703d | 1120 | | INCLUDE filename |
6c93cebf | 1121 | { |
6c93cebf AM |
1122 | ldfile_open_command_file ($2); |
1123 | } | |
4006703d | 1124 | sec_or_group_p1 END |
252b5132 RH |
1125 | ; |
1126 | ||
1127 | type: | |
1128 | NOLOAD { sectype = noload_section; } | |
02a38f92 AM |
1129 | | DSECT { sectype = noalloc_section; } |
1130 | | COPY { sectype = noalloc_section; } | |
1131 | | INFO { sectype = noalloc_section; } | |
1132 | | OVERLAY { sectype = noalloc_section; } | |
6b86da53 | 1133 | | READONLY { sectype = readonly_section; } |
252b5132 RH |
1134 | ; |
1135 | ||
1136 | atype: | |
6c19b93b AM |
1137 | '(' type ')' |
1138 | | /* EMPTY */ { sectype = normal_section; } | |
1139 | | '(' ')' { sectype = normal_section; } | |
252b5132 RH |
1140 | ; |
1141 | ||
1142 | opt_exp_with_type: | |
1143 | exp atype ':' { $$ = $1; } | |
1144 | | atype ':' { $$ = (etree_type *)NULL; } | |
1145 | | /* The BIND cases are to support the gcc svr3.ifile | |
1146 | script. They aren't intended to implement full | |
1147 | support for the BIND keyword. I'm not even sure | |
1148 | what BIND is supposed to mean. */ | |
1149 | BIND '(' exp ')' atype ':' { $$ = $3; } | |
1150 | | BIND '(' exp ')' BLOCK '(' exp ')' atype ':' | |
1151 | { $$ = $3; } | |
1152 | ; | |
1153 | ||
1154 | opt_exp_without_type: | |
1155 | exp ':' { $$ = $1; } | |
1156 | | ':' { $$ = (etree_type *) NULL; } | |
1157 | ; | |
1158 | ||
1159 | opt_nocrossrefs: | |
1160 | /* empty */ | |
1161 | { $$ = 0; } | |
1162 | | NOCROSSREFS | |
1163 | { $$ = 1; } | |
1164 | ; | |
1165 | ||
1166 | memspec_opt: | |
1167 | '>' NAME | |
1168 | { $$ = $2; } | |
a747ee4d | 1169 | | { $$ = DEFAULT_MEMORY_REGION; } |
252b5132 RH |
1170 | ; |
1171 | ||
1172 | phdr_opt: | |
1173 | /* empty */ | |
1174 | { | |
1175 | $$ = NULL; | |
1176 | } | |
1177 | | phdr_opt ':' NAME | |
1178 | { | |
1179 | struct lang_output_section_phdr_list *n; | |
1180 | ||
1181 | n = ((struct lang_output_section_phdr_list *) | |
1182 | xmalloc (sizeof *n)); | |
1183 | n->name = $3; | |
f38a2680 | 1184 | n->used = false; |
252b5132 RH |
1185 | n->next = $1; |
1186 | $$ = n; | |
1187 | } | |
1188 | ; | |
1189 | ||
1190 | overlay_section: | |
1191 | /* empty */ | |
1192 | | overlay_section | |
1193 | NAME | |
1194 | { | |
af29a8ab | 1195 | ldlex_wild (); |
252b5132 RH |
1196 | lang_enter_overlay_section ($2); |
1197 | } | |
af29a8ab AM |
1198 | '{' |
1199 | statement_list_opt | |
1200 | '}' | |
1201 | { ldlex_popstate (); } | |
252b5132 RH |
1202 | phdr_opt fill_opt |
1203 | { | |
4ffb22ec AM |
1204 | if (yychar == NAME) |
1205 | { | |
1206 | yyclearin; | |
1207 | ldlex_backup (); | |
1208 | } | |
252b5132 RH |
1209 | lang_leave_overlay_section ($9, $8); |
1210 | } | |
1211 | opt_comma | |
1212 | ; | |
1213 | ||
1214 | phdrs: | |
1215 | PHDRS '{' phdr_list '}' | |
1216 | ; | |
1217 | ||
1218 | phdr_list: | |
1219 | /* empty */ | |
1220 | | phdr_list phdr | |
1221 | ; | |
1222 | ||
1223 | phdr: | |
1224 | NAME { ldlex_expression (); } | |
1225 | phdr_type phdr_qualifiers { ldlex_popstate (); } | |
1226 | ';' | |
1227 | { | |
1228 | lang_new_phdr ($1, $3, $4.filehdr, $4.phdrs, $4.at, | |
1229 | $4.flags); | |
1230 | } | |
1231 | ; | |
1232 | ||
1233 | phdr_type: | |
1234 | exp | |
1235 | { | |
1236 | $$ = $1; | |
1237 | ||
1238 | if ($1->type.node_class == etree_name | |
1239 | && $1->type.node_code == NAME) | |
1240 | { | |
1241 | const char *s; | |
1242 | unsigned int i; | |
1243 | static const char * const phdr_types[] = | |
1244 | { | |
1245 | "PT_NULL", "PT_LOAD", "PT_DYNAMIC", | |
1246 | "PT_INTERP", "PT_NOTE", "PT_SHLIB", | |
d038301c | 1247 | "PT_PHDR", "PT_TLS" |
252b5132 RH |
1248 | }; |
1249 | ||
1250 | s = $1->name.name; | |
1251 | for (i = 0; | |
1252 | i < sizeof phdr_types / sizeof phdr_types[0]; | |
1253 | i++) | |
1254 | if (strcmp (s, phdr_types[i]) == 0) | |
1255 | { | |
1256 | $$ = exp_intop (i); | |
1257 | break; | |
1258 | } | |
d038301c RM |
1259 | if (i == sizeof phdr_types / sizeof phdr_types[0]) |
1260 | { | |
1261 | if (strcmp (s, "PT_GNU_EH_FRAME") == 0) | |
1262 | $$ = exp_intop (0x6474e550); | |
9ee5e499 JJ |
1263 | else if (strcmp (s, "PT_GNU_STACK") == 0) |
1264 | $$ = exp_intop (0x6474e551); | |
ee9e412f NC |
1265 | else if (strcmp (s, "PT_GNU_RELRO") == 0) |
1266 | $$ = exp_intop (0x6474e552); | |
1267 | else if (strcmp (s, "PT_GNU_PROPERTY") == 0) | |
1268 | $$ = exp_intop (0x6474e553); | |
d038301c RM |
1269 | else |
1270 | { | |
1271 | einfo (_("\ | |
c1c8c1ef | 1272 | %X%P:%pS: unknown phdr type `%s' (try integer literal)\n"), |
dab69f68 | 1273 | NULL, s); |
d038301c RM |
1274 | $$ = exp_intop (0); |
1275 | } | |
1276 | } | |
252b5132 RH |
1277 | } |
1278 | } | |
1279 | ; | |
1280 | ||
1281 | phdr_qualifiers: | |
1282 | /* empty */ | |
1283 | { | |
1284 | memset (&$$, 0, sizeof (struct phdr_info)); | |
1285 | } | |
1286 | | NAME phdr_val phdr_qualifiers | |
1287 | { | |
1288 | $$ = $3; | |
1289 | if (strcmp ($1, "FILEHDR") == 0 && $2 == NULL) | |
f38a2680 | 1290 | $$.filehdr = true; |
252b5132 | 1291 | else if (strcmp ($1, "PHDRS") == 0 && $2 == NULL) |
f38a2680 | 1292 | $$.phdrs = true; |
252b5132 RH |
1293 | else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL) |
1294 | $$.flags = $2; | |
1295 | else | |
c1c8c1ef | 1296 | einfo (_("%X%P:%pS: PHDRS syntax error at `%s'\n"), |
dab69f68 | 1297 | NULL, $1); |
252b5132 RH |
1298 | } |
1299 | | AT '(' exp ')' phdr_qualifiers | |
1300 | { | |
1301 | $$ = $5; | |
1302 | $$.at = $3; | |
1303 | } | |
1304 | ; | |
1305 | ||
1306 | phdr_val: | |
1307 | /* empty */ | |
1308 | { | |
1309 | $$ = NULL; | |
1310 | } | |
1311 | | '(' exp ')' | |
1312 | { | |
1313 | $$ = $2; | |
1314 | } | |
1315 | ; | |
1316 | ||
55255dae L |
1317 | dynamic_list_file: |
1318 | { | |
1319 | ldlex_version_file (); | |
1320 | PUSH_ERROR (_("dynamic list")); | |
1321 | } | |
1322 | dynamic_list_nodes | |
1323 | { | |
1324 | ldlex_popstate (); | |
1325 | POP_ERROR (); | |
1326 | } | |
1327 | ; | |
1328 | ||
1329 | dynamic_list_nodes: | |
1330 | dynamic_list_node | |
1331 | | dynamic_list_nodes dynamic_list_node | |
1332 | ; | |
1333 | ||
1334 | dynamic_list_node: | |
1335 | '{' dynamic_list_tag '}' ';' | |
1336 | ; | |
1337 | ||
1338 | dynamic_list_tag: | |
1339 | vers_defns ';' | |
1340 | { | |
37a141bf | 1341 | lang_append_dynamic_list (current_dynamic_list_p, $1); |
55255dae L |
1342 | } |
1343 | ; | |
1344 | ||
252b5132 RH |
1345 | /* This syntax is used within an external version script file. */ |
1346 | ||
1347 | version_script_file: | |
1348 | { | |
1349 | ldlex_version_file (); | |
1350 | PUSH_ERROR (_("VERSION script")); | |
1351 | } | |
1352 | vers_nodes | |
1353 | { | |
1354 | ldlex_popstate (); | |
1355 | POP_ERROR (); | |
1356 | } | |
1357 | ; | |
1358 | ||
1359 | /* This is used within a normal linker script file. */ | |
1360 | ||
1361 | version: | |
1362 | { | |
1363 | ldlex_version_script (); | |
1364 | } | |
1365 | VERSIONK '{' vers_nodes '}' | |
1366 | { | |
1367 | ldlex_popstate (); | |
1368 | } | |
1369 | ; | |
1370 | ||
1371 | vers_nodes: | |
1372 | vers_node | |
1373 | | vers_nodes vers_node | |
1374 | ; | |
1375 | ||
1376 | vers_node: | |
6b9b879a JJ |
1377 | '{' vers_tag '}' ';' |
1378 | { | |
1379 | lang_register_vers_node (NULL, $2, NULL); | |
1380 | } | |
1381 | | VERS_TAG '{' vers_tag '}' ';' | |
252b5132 RH |
1382 | { |
1383 | lang_register_vers_node ($1, $3, NULL); | |
1384 | } | |
1385 | | VERS_TAG '{' vers_tag '}' verdep ';' | |
1386 | { | |
1387 | lang_register_vers_node ($1, $3, $5); | |
1388 | } | |
1389 | ; | |
1390 | ||
1391 | verdep: | |
1392 | VERS_TAG | |
1393 | { | |
1394 | $$ = lang_add_vers_depend (NULL, $1); | |
1395 | } | |
1396 | | verdep VERS_TAG | |
1397 | { | |
1398 | $$ = lang_add_vers_depend ($1, $2); | |
1399 | } | |
1400 | ; | |
1401 | ||
1402 | vers_tag: | |
1403 | /* empty */ | |
1404 | { | |
1405 | $$ = lang_new_vers_node (NULL, NULL); | |
1406 | } | |
1407 | | vers_defns ';' | |
1408 | { | |
1409 | $$ = lang_new_vers_node ($1, NULL); | |
1410 | } | |
1411 | | GLOBAL ':' vers_defns ';' | |
1412 | { | |
1413 | $$ = lang_new_vers_node ($3, NULL); | |
1414 | } | |
1415 | | LOCAL ':' vers_defns ';' | |
1416 | { | |
1417 | $$ = lang_new_vers_node (NULL, $3); | |
1418 | } | |
1419 | | GLOBAL ':' vers_defns ';' LOCAL ':' vers_defns ';' | |
1420 | { | |
1421 | $$ = lang_new_vers_node ($3, $7); | |
1422 | } | |
1423 | ; | |
1424 | ||
1425 | vers_defns: | |
1426 | VERS_IDENTIFIER | |
1427 | { | |
f38a2680 | 1428 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, false); |
86043bbb | 1429 | } |
6c19b93b | 1430 | | NAME |
86043bbb | 1431 | { |
f38a2680 | 1432 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, true); |
252b5132 RH |
1433 | } |
1434 | | vers_defns ';' VERS_IDENTIFIER | |
1435 | { | |
f38a2680 | 1436 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, false); |
86043bbb MM |
1437 | } |
1438 | | vers_defns ';' NAME | |
1439 | { | |
f38a2680 | 1440 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, true); |
252b5132 | 1441 | } |
8e23b15d AM |
1442 | | vers_defns ';' EXTERN NAME '{' |
1443 | { | |
1444 | $<name>$ = ldgram_vers_current_lang; | |
1445 | ldgram_vers_current_lang = $4; | |
1446 | } | |
1447 | vers_defns opt_semicolon '}' | |
1448 | { | |
96f8ade5 JJ |
1449 | struct bfd_elf_version_expr *pat; |
1450 | for (pat = $7; pat->next != NULL; pat = pat->next); | |
1451 | pat->next = $1; | |
8e23b15d AM |
1452 | $$ = $7; |
1453 | ldgram_vers_current_lang = $<name>6; | |
1454 | } | |
252b5132 RH |
1455 | | EXTERN NAME '{' |
1456 | { | |
1457 | $<name>$ = ldgram_vers_current_lang; | |
1458 | ldgram_vers_current_lang = $2; | |
1459 | } | |
8e23b15d | 1460 | vers_defns opt_semicolon '}' |
252b5132 | 1461 | { |
e06cae36 | 1462 | $$ = $5; |
252b5132 RH |
1463 | ldgram_vers_current_lang = $<name>4; |
1464 | } | |
96f8ade5 JJ |
1465 | | GLOBAL |
1466 | { | |
f38a2680 | 1467 | $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1468 | } |
1469 | | vers_defns ';' GLOBAL | |
1470 | { | |
f38a2680 | 1471 | $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1472 | } |
1473 | | LOCAL | |
1474 | { | |
f38a2680 | 1475 | $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1476 | } |
1477 | | vers_defns ';' LOCAL | |
1478 | { | |
f38a2680 | 1479 | $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1480 | } |
1481 | | EXTERN | |
1482 | { | |
f38a2680 | 1483 | $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1484 | } |
1485 | | vers_defns ';' EXTERN | |
1486 | { | |
f38a2680 | 1487 | $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang, false); |
96f8ade5 | 1488 | } |
252b5132 RH |
1489 | ; |
1490 | ||
8e23b15d AM |
1491 | opt_semicolon: |
1492 | /* empty */ | |
1493 | | ';' | |
1494 | ; | |
1495 | ||
252b5132 RH |
1496 | %% |
1497 | void | |
d038301c | 1498 | yyerror(arg) |
252b5132 | 1499 | const char *arg; |
d038301c | 1500 | { |
252b5132 RH |
1501 | if (ldfile_assumed_script) |
1502 | einfo (_("%P:%s: file format not recognized; treating as linker script\n"), | |
dab69f68 | 1503 | ldlex_filename ()); |
252b5132 | 1504 | if (error_index > 0 && error_index < ERROR_NAME_MAX) |
df5f2391 | 1505 | einfo ("%F%P:%pS: %s in %s\n", NULL, arg, error_names[error_index - 1]); |
252b5132 | 1506 | else |
df5f2391 | 1507 | einfo ("%F%P:%pS: %s\n", NULL, arg); |
252b5132 | 1508 | } |