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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. |
d87bef3a | 2 | Copyright (C) 1991-2023 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" |
44f8d229 | 30 | #include "libiberty.h" |
3db64b00 | 31 | #include "bfd.h" |
252b5132 | 32 | #include "bfdlink.h" |
1ff6de03 | 33 | #include "ctf-api.h" |
d038301c | 34 | #include "ld.h" |
252b5132 RH |
35 | #include "ldexp.h" |
36 | #include "ldver.h" | |
37 | #include "ldlang.h" | |
252b5132 | 38 | #include "ldfile.h" |
b71e2778 | 39 | #include "ldemul.h" |
252b5132 RH |
40 | #include "ldmisc.h" |
41 | #include "ldmain.h" | |
42 | #include "mri.h" | |
43 | #include "ldctor.h" | |
44 | #include "ldlex.h" | |
45 | ||
46 | #ifndef YYDEBUG | |
47 | #define YYDEBUG 1 | |
48 | #endif | |
49 | ||
50 | static enum section_type sectype; | |
c212f39d | 51 | static etree_type *sectype_value; |
279e75dc | 52 | static lang_memory_region_type *region; |
252b5132 | 53 | |
f38a2680 | 54 | static bool ldgram_had_keep = false; |
2b94abd4 | 55 | static char *ldgram_vers_current_lang = NULL; |
252b5132 RH |
56 | |
57 | #define ERROR_NAME_MAX 20 | |
58 | static char *error_names[ERROR_NAME_MAX]; | |
59 | static int error_index; | |
60 | #define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++; | |
61 | #define POP_ERROR() error_index--; | |
44f8d229 AM |
62 | |
63 | static void yyerror (const char *); | |
252b5132 RH |
64 | %} |
65 | %union { | |
66 | bfd_vma integer; | |
2c382fb6 AM |
67 | struct big_int |
68 | { | |
69 | bfd_vma integer; | |
70 | char *str; | |
71 | } bigint; | |
72 | fill_type *fill; | |
252b5132 RH |
73 | char *name; |
74 | const char *cname; | |
75 | struct wildcard_spec wildcard; | |
b6bf44ba | 76 | struct wildcard_list *wildcard_list; |
18625d54 | 77 | struct name_list *name_list; |
ae17ab41 CM |
78 | struct flag_info_list *flag_info_list; |
79 | struct flag_info *flag_info; | |
252b5132 RH |
80 | int token; |
81 | union etree_union *etree; | |
82 | struct phdr_info | |
83 | { | |
f38a2680 AM |
84 | bool filehdr; |
85 | bool phdrs; | |
252b5132 RH |
86 | union etree_union *at; |
87 | union etree_union *flags; | |
88 | } phdr; | |
89 | struct lang_nocrossref *nocrossref; | |
90 | struct lang_output_section_phdr_list *section_phdr; | |
91 | struct bfd_elf_version_deps *deflist; | |
92 | struct bfd_elf_version_expr *versyms; | |
93 | struct bfd_elf_version_tree *versnode; | |
94 | } | |
95 | ||
96 | %type <etree> exp opt_exp_with_type mustbe_exp opt_at phdr_type phdr_val | |
bbf115d3 | 97 | %type <etree> opt_exp_without_type opt_subalign opt_align |
2c382fb6 | 98 | %type <fill> fill_opt fill_exp |
18625d54 | 99 | %type <name_list> exclude_name_list |
2b94abd4 | 100 | %type <wildcard_list> section_name_list |
ae17ab41 CM |
101 | %type <flag_info_list> sect_flag_list |
102 | %type <flag_info> sect_flags | |
553dd76c | 103 | %type <name> memspec_opt memspec_at_opt paren_script_name casesymlist |
252b5132 | 104 | %type <cname> wildcard_name |
2b94abd4 | 105 | %type <wildcard> section_name_spec filename_spec wildcard_maybe_exclude |
d038301c | 106 | %token <bigint> INT |
252b5132 RH |
107 | %token <name> NAME LNAME |
108 | %type <integer> length | |
109 | %type <phdr> phdr_qualifiers | |
110 | %type <nocrossref> nocrossref_list | |
111 | %type <section_phdr> phdr_opt | |
112 | %type <integer> opt_nocrossrefs | |
113 | ||
c684d6c4 | 114 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ XOREQ |
252b5132 RH |
115 | %right <token> '?' ':' |
116 | %left <token> OROR | |
117 | %left <token> ANDAND | |
118 | %left <token> '|' | |
119 | %left <token> '^' | |
120 | %left <token> '&' | |
121 | %left <token> EQ NE | |
122 | %left <token> '<' '>' LE GE | |
123 | %left <token> LSHIFT RSHIFT | |
124 | ||
125 | %left <token> '+' '-' | |
126 | %left <token> '*' '/' '%' | |
127 | ||
128 | %right UNARY | |
d038301c | 129 | %token END |
252b5132 | 130 | %left <token> '(' |
a4d5aec7 | 131 | %token <token> ALIGN_K BLOCK BIND QUAD SQUAD LONG SHORT BYTE ASCIZ |
2d5783fa | 132 | %token SECTIONS PHDRS INSERT_K AFTER BEFORE LINKER_VERSION |
53d25da6 | 133 | %token DATA_SEGMENT_ALIGN DATA_SEGMENT_RELRO_END DATA_SEGMENT_END |
eda680f8 | 134 | %token SORT_BY_NAME SORT_BY_ALIGNMENT SORT_NONE |
02ecc8e9 | 135 | %token SORT_BY_INIT_PRIORITY |
252b5132 RH |
136 | %token '{' '}' |
137 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH | |
7bdf4127 | 138 | %token INHIBIT_COMMON_ALLOCATION FORCE_GROUP_ALLOCATION |
ba916c8a | 139 | %token SEGMENT_START |
252b5132 | 140 | %token INCLUDE |
ed9ef263 | 141 | %token MEMORY |
4a93e180 | 142 | %token REGION_ALIAS |
01554a74 | 143 | %token LD_FEATURE |
252b5132 | 144 | %token NOLOAD DSECT COPY INFO OVERLAY |
6b86da53 | 145 | %token READONLY |
c212f39d | 146 | %token TYPE |
ed9ef263 | 147 | %token DEFINED TARGET_K SEARCH_DIR MAP ENTRY |
252b5132 | 148 | %token <integer> NEXT |
5d41b3ef | 149 | %token SIZEOF ALIGNOF ADDR LOADADDR MAX_K MIN_K |
cdf96953 | 150 | %token STARTUP HLL SYSLIB FLOAT NOFLOAT NOCROSSREFS NOCROSSREFS_TO |
252b5132 RH |
151 | %token ORIGIN FILL |
152 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT GROUP OUTPUT CONSTRUCTORS | |
eb8476a6 | 153 | %token ALIGNMOD AT SUBALIGN HIDDEN PROVIDE PROVIDE_HIDDEN AS_NEEDED |
1eec346e | 154 | %type <token> assign_op atype attributes_opt sect_constraint opt_align_with_input |
252b5132 RH |
155 | %type <name> filename |
156 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD ASSERT_K | |
2e53f7d6 | 157 | %token LOG2CEIL FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE REL |
252b5132 RH |
158 | %token INPUT_SCRIPT INPUT_MRI_SCRIPT INPUT_DEFSYM CASE EXTERN START |
159 | %token <name> VERS_TAG VERS_IDENTIFIER | |
160 | %token GLOBAL LOCAL VERSIONK INPUT_VERSION_SCRIPT | |
1eec346e | 161 | %token KEEP ONLY_IF_RO ONLY_IF_RW SPECIAL INPUT_SECTION_FLAGS ALIGN_WITH_INPUT |
252b5132 | 162 | %token EXCLUDE_FILE |
24718e3b | 163 | %token CONSTANT |
252b5132 RH |
164 | %type <versyms> vers_defns |
165 | %type <versnode> vers_tag | |
166 | %type <deflist> verdep | |
55255dae | 167 | %token INPUT_DYNAMIC_LIST |
252b5132 RH |
168 | |
169 | %% | |
170 | ||
d038301c | 171 | file: |
252b5132 RH |
172 | INPUT_SCRIPT script_file |
173 | | INPUT_MRI_SCRIPT mri_script_file | |
174 | | INPUT_VERSION_SCRIPT version_script_file | |
55255dae | 175 | | INPUT_DYNAMIC_LIST dynamic_list_file |
252b5132 RH |
176 | | INPUT_DEFSYM defsym_expr |
177 | ; | |
178 | ||
179 | ||
180 | filename: NAME; | |
181 | ||
182 | ||
183 | defsym_expr: | |
fb6c220e AM |
184 | { ldlex_expression(); } |
185 | assignment | |
186 | { ldlex_popstate(); } | |
944cd72c | 187 | ; |
252b5132 | 188 | |
d038301c | 189 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
252b5132 RH |
190 | mri_script_file: |
191 | { | |
192 | ldlex_mri_script (); | |
193 | PUSH_ERROR (_("MRI style script")); | |
194 | } | |
195 | mri_script_lines | |
196 | { | |
197 | ldlex_popstate (); | |
198 | mri_draw_tree (); | |
199 | POP_ERROR (); | |
200 | } | |
201 | ; | |
202 | ||
203 | mri_script_lines: | |
204 | mri_script_lines mri_script_command NEWLINE | |
6c19b93b | 205 | | |
252b5132 RH |
206 | ; |
207 | ||
208 | mri_script_command: | |
d038301c | 209 | CHIP exp |
252b5132 | 210 | | CHIP exp ',' exp |
6c19b93b | 211 | | NAME { |
df5f2391 | 212 | einfo(_("%F%P: unrecognised keyword in MRI style script '%s'\n"),$1); |
252b5132 | 213 | } |
6c19b93b | 214 | | LIST { |
252b5132 RH |
215 | config.map_filename = "-"; |
216 | } | |
6c19b93b AM |
217 | | ORDER ordernamelist |
218 | | ENDWORD | |
219 | | PUBLIC NAME '=' exp | |
220 | { mri_public($2, $4); } | |
221 | | PUBLIC NAME ',' exp | |
222 | { mri_public($2, $4); } | |
223 | | PUBLIC NAME exp | |
224 | { mri_public($2, $3); } | |
225 | | FORMAT NAME | |
252b5132 RH |
226 | { mri_format($2); } |
227 | | SECT NAME ',' exp | |
228 | { mri_output_section($2, $4);} | |
229 | | SECT NAME exp | |
230 | { mri_output_section($2, $3);} | |
231 | | SECT NAME '=' exp | |
232 | { mri_output_section($2, $4);} | |
233 | | ALIGN_K NAME '=' exp | |
234 | { mri_align($2,$4); } | |
235 | | ALIGN_K NAME ',' exp | |
236 | { mri_align($2,$4); } | |
237 | | ALIGNMOD NAME '=' exp | |
238 | { mri_alignmod($2,$4); } | |
239 | | ALIGNMOD NAME ',' exp | |
240 | { mri_alignmod($2,$4); } | |
241 | | ABSOLUTE mri_abs_name_list | |
242 | | LOAD mri_load_name_list | |
6c19b93b | 243 | | NAMEWORD NAME |
d038301c | 244 | { mri_name($2); } |
252b5132 RH |
245 | | ALIAS NAME ',' NAME |
246 | { mri_alias($2,$4,0);} | |
247 | | ALIAS NAME ',' INT | |
2c382fb6 | 248 | { mri_alias ($2, 0, (int) $4.integer); } |
6c19b93b | 249 | | BASE exp |
252b5132 | 250 | { mri_base($2); } |
2c382fb6 AM |
251 | | TRUNCATE INT |
252 | { mri_truncate ((unsigned int) $2.integer); } | |
252b5132 RH |
253 | | CASE casesymlist |
254 | | EXTERN extern_name_list | |
255 | | INCLUDE filename | |
3bb17dfb | 256 | { ldfile_open_command_file ($2); } |
b47c4208 | 257 | mri_script_lines END |
252b5132 | 258 | | START NAME |
f38a2680 | 259 | { lang_add_entry ($2, false); } |
6c19b93b | 260 | | |
252b5132 RH |
261 | ; |
262 | ||
263 | ordernamelist: | |
6c19b93b AM |
264 | ordernamelist ',' NAME { mri_order($3); } |
265 | | ordernamelist NAME { mri_order($2); } | |
266 | | | |
252b5132 RH |
267 | ; |
268 | ||
269 | mri_load_name_list: | |
270 | NAME | |
271 | { mri_load($1); } | |
272 | | mri_load_name_list ',' NAME { mri_load($3); } | |
273 | ; | |
274 | ||
275 | mri_abs_name_list: | |
6c19b93b AM |
276 | NAME |
277 | { mri_only_load($1); } | |
252b5132 | 278 | | mri_abs_name_list ',' NAME |
6c19b93b | 279 | { mri_only_load($3); } |
252b5132 RH |
280 | ; |
281 | ||
282 | casesymlist: | |
283 | /* empty */ { $$ = NULL; } | |
284 | | NAME | |
285 | | casesymlist ',' NAME | |
286 | ; | |
287 | ||
288 | extern_name_list: | |
34a7af0f | 289 | NAME |
f38a2680 | 290 | { ldlang_add_undef ($1, false); } |
34a7af0f | 291 | | extern_name_list NAME |
f38a2680 | 292 | { ldlang_add_undef ($2, false); } |
34a7af0f | 293 | | extern_name_list ',' NAME |
f38a2680 | 294 | { ldlang_add_undef ($3, false); } |
252b5132 RH |
295 | ; |
296 | ||
297 | script_file: | |
af29a8ab | 298 | { ldlex_script (); } |
8545d1a9 | 299 | ifile_list |
af29a8ab | 300 | { ldlex_popstate (); } |
6c19b93b | 301 | ; |
252b5132 | 302 | |
252b5132 | 303 | ifile_list: |
8545d1a9 | 304 | ifile_list ifile_p1 |
6c19b93b | 305 | | |
252b5132 RH |
306 | ; |
307 | ||
308 | ||
252b5132 RH |
309 | ifile_p1: |
310 | memory | |
311 | | sections | |
312 | | phdrs | |
313 | | startup | |
314 | | high_level_library | |
315 | | low_level_library | |
316 | | floating_point_support | |
317 | | statement_anywhere | |
318 | | version | |
6c19b93b | 319 | | ';' |
252b5132 RH |
320 | | TARGET_K '(' NAME ')' |
321 | { lang_add_target($3); } | |
322 | | SEARCH_DIR '(' filename ')' | |
f38a2680 | 323 | { ldfile_add_library_path ($3, false); } |
252b5132 RH |
324 | | OUTPUT '(' filename ')' |
325 | { lang_add_output($3, 1); } | |
6c19b93b | 326 | | OUTPUT_FORMAT '(' NAME ')' |
252b5132 RH |
327 | { lang_add_output_format ($3, (char *) NULL, |
328 | (char *) NULL, 1); } | |
329 | | OUTPUT_FORMAT '(' NAME ',' NAME ',' NAME ')' | |
330 | { lang_add_output_format ($3, $5, $7, 1); } | |
6c19b93b | 331 | | OUTPUT_ARCH '(' NAME ')' |
5e2f1575 | 332 | { ldfile_set_output_arch ($3, bfd_arch_unknown); } |
252b5132 | 333 | | FORCE_COMMON_ALLOCATION |
f38a2680 | 334 | { command_line.force_common_definition = true ; } |
7bdf4127 | 335 | | FORCE_GROUP_ALLOCATION |
f38a2680 | 336 | { command_line.force_group_allocation = true ; } |
4818e05f | 337 | | INHIBIT_COMMON_ALLOCATION |
f38a2680 | 338 | { link_info.inhibit_common_definition = true ; } |
252b5132 RH |
339 | | INPUT '(' input_list ')' |
340 | | GROUP | |
341 | { lang_enter_group (); } | |
342 | '(' input_list ')' | |
343 | { lang_leave_group (); } | |
6c19b93b | 344 | | MAP '(' filename ')' |
252b5132 | 345 | { lang_add_map($3); } |
d038301c | 346 | | INCLUDE filename |
3bb17dfb | 347 | { ldfile_open_command_file ($2); } |
b47c4208 | 348 | ifile_list END |
252b5132 RH |
349 | | NOCROSSREFS '(' nocrossref_list ')' |
350 | { | |
351 | lang_add_nocrossref ($3); | |
352 | } | |
cdf96953 MF |
353 | | NOCROSSREFS_TO '(' nocrossref_list ')' |
354 | { | |
355 | lang_add_nocrossref_to ($3); | |
356 | } | |
34a7af0f AM |
357 | | EXTERN '(' { ldlex_expression (); } extern_name_list ')' |
358 | { ldlex_popstate (); } | |
53d25da6 AM |
359 | | INSERT_K AFTER NAME |
360 | { lang_add_insert ($3, 0); } | |
361 | | INSERT_K BEFORE NAME | |
362 | { lang_add_insert ($3, 1); } | |
4a93e180 NC |
363 | | REGION_ALIAS '(' NAME ',' NAME ')' |
364 | { lang_memory_region_alias ($3, $5); } | |
01554a74 AM |
365 | | LD_FEATURE '(' NAME ')' |
366 | { lang_ld_feature ($3); } | |
252b5132 RH |
367 | ; |
368 | ||
369 | input_list: | |
eeed9cc7 HPN |
370 | { ldlex_inputlist(); } |
371 | input_list1 | |
372 | { ldlex_popstate(); } | |
373 | ||
374 | input_list1: | |
252b5132 RH |
375 | NAME |
376 | { lang_add_input_file($1,lang_input_file_is_search_file_enum, | |
377 | (char *)NULL); } | |
eeed9cc7 | 378 | | input_list1 ',' NAME |
252b5132 RH |
379 | { lang_add_input_file($3,lang_input_file_is_search_file_enum, |
380 | (char *)NULL); } | |
eeed9cc7 | 381 | | input_list1 NAME |
252b5132 RH |
382 | { lang_add_input_file($2,lang_input_file_is_search_file_enum, |
383 | (char *)NULL); } | |
384 | | LNAME | |
385 | { lang_add_input_file($1,lang_input_file_is_l_enum, | |
386 | (char *)NULL); } | |
eeed9cc7 | 387 | | input_list1 ',' LNAME |
252b5132 RH |
388 | { lang_add_input_file($3,lang_input_file_is_l_enum, |
389 | (char *)NULL); } | |
eeed9cc7 | 390 | | input_list1 LNAME |
252b5132 RH |
391 | { lang_add_input_file($2,lang_input_file_is_l_enum, |
392 | (char *)NULL); } | |
b717d30e | 393 | | 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>3; } |
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>5; } |
eeed9cc7 | 403 | | input_list1 AS_NEEDED '(' |
66be1055 | 404 | { $<integer>$ = input_flags.add_DT_NEEDED_for_regular; |
f38a2680 | 405 | input_flags.add_DT_NEEDED_for_regular = true; } |
eeed9cc7 | 406 | input_list1 ')' |
66be1055 | 407 | { input_flags.add_DT_NEEDED_for_regular = $<integer>4; } |
252b5132 RH |
408 | ; |
409 | ||
410 | sections: | |
411 | SECTIONS '{' sec_or_group_p1 '}' | |
412 | ; | |
413 | ||
414 | sec_or_group_p1: | |
415 | sec_or_group_p1 section | |
416 | | sec_or_group_p1 statement_anywhere | |
417 | | | |
418 | ; | |
419 | ||
420 | statement_anywhere: | |
421 | ENTRY '(' NAME ')' | |
f38a2680 | 422 | { lang_add_entry ($3, false); } |
6c93cebf | 423 | | assignment separator |
b6ca8815 NS |
424 | | ASSERT_K {ldlex_expression ();} '(' exp ',' NAME ')' |
425 | { ldlex_popstate (); | |
426 | lang_add_assignment (exp_assert ($4, $6)); } | |
252b5132 RH |
427 | ; |
428 | ||
252b5132 RH |
429 | wildcard_name: |
430 | NAME | |
431 | { | |
432 | $$ = $1; | |
433 | } | |
252b5132 RH |
434 | ; |
435 | ||
2b94abd4 | 436 | wildcard_maybe_exclude: |
252b5132 RH |
437 | wildcard_name |
438 | { | |
439 | $$.name = $1; | |
bcaa7b3e | 440 | $$.sorted = none; |
18625d54 | 441 | $$.exclude_name_list = NULL; |
ae17ab41 | 442 | $$.section_flag_list = NULL; |
252b5132 | 443 | } |
6c19b93b | 444 | | EXCLUDE_FILE '(' exclude_name_list ')' wildcard_name |
252b5132 RH |
445 | { |
446 | $$.name = $5; | |
bcaa7b3e | 447 | $$.sorted = none; |
18625d54 | 448 | $$.exclude_name_list = $3; |
ae17ab41 | 449 | $$.section_flag_list = NULL; |
252b5132 | 450 | } |
2b94abd4 AB |
451 | ; |
452 | ||
453 | filename_spec: | |
454 | wildcard_maybe_exclude | |
455 | | SORT_BY_NAME '(' wildcard_maybe_exclude ')' | |
252b5132 | 456 | { |
2b94abd4 | 457 | $$ = $3; |
bcaa7b3e | 458 | $$.sorted = by_name; |
252b5132 | 459 | } |
2b94abd4 AB |
460 | | SORT_NONE '(' wildcard_maybe_exclude ')' |
461 | { | |
462 | $$ = $3; | |
463 | $$.sorted = by_none; | |
464 | } | |
465 | ; | |
466 | ||
467 | section_name_spec: | |
468 | wildcard_maybe_exclude | |
469 | | SORT_BY_NAME '(' wildcard_maybe_exclude ')' | |
bcaa7b3e | 470 | { |
2b94abd4 AB |
471 | $$ = $3; |
472 | $$.sorted = by_name; | |
473 | } | |
474 | | SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' | |
475 | { | |
476 | $$ = $3; | |
bcaa7b3e | 477 | $$.sorted = by_alignment; |
bcaa7b3e | 478 | } |
2b94abd4 | 479 | | SORT_NONE '(' wildcard_maybe_exclude ')' |
eda680f8 | 480 | { |
2b94abd4 | 481 | $$ = $3; |
eda680f8 | 482 | $$.sorted = by_none; |
eda680f8 | 483 | } |
2b94abd4 | 484 | | SORT_BY_NAME '(' SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 485 | { |
2b94abd4 | 486 | $$ = $5; |
bcaa7b3e | 487 | $$.sorted = by_name_alignment; |
bcaa7b3e | 488 | } |
2b94abd4 | 489 | | SORT_BY_NAME '(' SORT_BY_NAME '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 490 | { |
2b94abd4 | 491 | $$ = $5; |
bcaa7b3e | 492 | $$.sorted = by_name; |
bcaa7b3e | 493 | } |
2b94abd4 | 494 | | SORT_BY_ALIGNMENT '(' SORT_BY_NAME '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 495 | { |
2b94abd4 | 496 | $$ = $5; |
bcaa7b3e | 497 | $$.sorted = by_alignment_name; |
bcaa7b3e | 498 | } |
2b94abd4 | 499 | | SORT_BY_ALIGNMENT '(' SORT_BY_ALIGNMENT '(' wildcard_maybe_exclude ')' ')' |
bcaa7b3e | 500 | { |
2b94abd4 | 501 | $$ = $5; |
bcaa7b3e | 502 | $$.sorted = by_alignment; |
252b5132 | 503 | } |
2b94abd4 | 504 | | SORT_BY_INIT_PRIORITY '(' wildcard_maybe_exclude ')' |
02ecc8e9 | 505 | { |
2b94abd4 | 506 | $$ = $3; |
02ecc8e9 | 507 | $$.sorted = by_init_priority; |
ae17ab41 CM |
508 | } |
509 | ; | |
510 | ||
511 | sect_flag_list: NAME | |
512 | { | |
513 | struct flag_info_list *n; | |
514 | n = ((struct flag_info_list *) xmalloc (sizeof *n)); | |
515 | if ($1[0] == '!') | |
516 | { | |
517 | n->with = without_flags; | |
518 | n->name = &$1[1]; | |
519 | } | |
520 | else | |
521 | { | |
522 | n->with = with_flags; | |
523 | n->name = $1; | |
524 | } | |
f38a2680 | 525 | n->valid = false; |
ae17ab41 CM |
526 | n->next = NULL; |
527 | $$ = n; | |
528 | } | |
529 | | sect_flag_list '&' NAME | |
530 | { | |
531 | struct flag_info_list *n; | |
532 | n = ((struct flag_info_list *) xmalloc (sizeof *n)); | |
533 | if ($3[0] == '!') | |
534 | { | |
535 | n->with = without_flags; | |
536 | n->name = &$3[1]; | |
537 | } | |
538 | else | |
539 | { | |
540 | n->with = with_flags; | |
541 | n->name = $3; | |
542 | } | |
f38a2680 | 543 | n->valid = false; |
ae17ab41 CM |
544 | n->next = $1; |
545 | $$ = n; | |
546 | } | |
547 | ; | |
548 | ||
549 | sect_flags: | |
550 | INPUT_SECTION_FLAGS '(' sect_flag_list ')' | |
551 | { | |
552 | struct flag_info *n; | |
553 | n = ((struct flag_info *) xmalloc (sizeof *n)); | |
554 | n->flag_list = $3; | |
f38a2680 | 555 | n->flags_initialized = false; |
ae17ab41 CM |
556 | n->not_with_flags = 0; |
557 | n->only_with_flags = 0; | |
558 | $$ = n; | |
02ecc8e9 | 559 | } |
252b5132 RH |
560 | ; |
561 | ||
18625d54 | 562 | exclude_name_list: |
765b7cbe | 563 | exclude_name_list wildcard_name |
18625d54 CM |
564 | { |
565 | struct name_list *tmp; | |
566 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
765b7cbe | 567 | tmp->name = $2; |
18625d54 | 568 | tmp->next = $1; |
d038301c | 569 | $$ = tmp; |
18625d54 CM |
570 | } |
571 | | | |
572 | wildcard_name | |
573 | { | |
574 | struct name_list *tmp; | |
575 | tmp = (struct name_list *) xmalloc (sizeof *tmp); | |
576 | tmp->name = $1; | |
577 | tmp->next = NULL; | |
578 | $$ = tmp; | |
579 | } | |
580 | ; | |
581 | ||
2b94abd4 AB |
582 | section_name_list: |
583 | section_name_list opt_comma section_name_spec | |
252b5132 | 584 | { |
b6bf44ba AM |
585 | struct wildcard_list *tmp; |
586 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
587 | tmp->next = $1; | |
588 | tmp->spec = $3; | |
589 | $$ = tmp; | |
252b5132 | 590 | } |
b6bf44ba | 591 | | |
2b94abd4 | 592 | section_name_spec |
252b5132 | 593 | { |
b6bf44ba AM |
594 | struct wildcard_list *tmp; |
595 | tmp = (struct wildcard_list *) xmalloc (sizeof *tmp); | |
596 | tmp->next = NULL; | |
597 | tmp->spec = $1; | |
598 | $$ = tmp; | |
252b5132 RH |
599 | } |
600 | ; | |
601 | ||
602 | input_section_spec_no_keep: | |
603 | NAME | |
604 | { | |
b6bf44ba AM |
605 | struct wildcard_spec tmp; |
606 | tmp.name = $1; | |
607 | tmp.exclude_name_list = NULL; | |
bcaa7b3e | 608 | tmp.sorted = none; |
ae17ab41 CM |
609 | tmp.section_flag_list = NULL; |
610 | lang_add_wild (&tmp, NULL, ldgram_had_keep); | |
611 | } | |
612 | | sect_flags NAME | |
613 | { | |
614 | struct wildcard_spec tmp; | |
615 | tmp.name = $2; | |
616 | tmp.exclude_name_list = NULL; | |
617 | tmp.sorted = none; | |
618 | tmp.section_flag_list = $1; | |
b6bf44ba | 619 | lang_add_wild (&tmp, NULL, ldgram_had_keep); |
252b5132 | 620 | } |
6c19b93b | 621 | | '[' section_name_list ']' |
252b5132 | 622 | { |
b6bf44ba | 623 | lang_add_wild (NULL, $2, ldgram_had_keep); |
252b5132 | 624 | } |
6c19b93b | 625 | | sect_flags '[' section_name_list ']' |
ae17ab41 CM |
626 | { |
627 | struct wildcard_spec tmp; | |
628 | tmp.name = NULL; | |
629 | tmp.exclude_name_list = NULL; | |
630 | tmp.sorted = none; | |
631 | tmp.section_flag_list = $1; | |
09f6ed34 | 632 | lang_add_wild (&tmp, $3, ldgram_had_keep); |
ae17ab41 | 633 | } |
2b94abd4 | 634 | | filename_spec '(' section_name_list ')' |
252b5132 | 635 | { |
b6bf44ba | 636 | lang_add_wild (&$1, $3, ldgram_had_keep); |
252b5132 | 637 | } |
2b94abd4 | 638 | | sect_flags filename_spec '(' section_name_list ')' |
ae17ab41 CM |
639 | { |
640 | $2.section_flag_list = $1; | |
641 | lang_add_wild (&$2, $4, ldgram_had_keep); | |
642 | } | |
252b5132 RH |
643 | ; |
644 | ||
645 | input_section_spec: | |
646 | input_section_spec_no_keep | |
647 | | KEEP '(' | |
f38a2680 | 648 | { ldgram_had_keep = true; } |
252b5132 | 649 | input_section_spec_no_keep ')' |
f38a2680 | 650 | { ldgram_had_keep = false; } |
252b5132 RH |
651 | ; |
652 | ||
653 | statement: | |
6c93cebf AM |
654 | ';' |
655 | | assignment separator | |
656 | | CREATE_OBJECT_SYMBOLS | |
252b5132 | 657 | { |
6c93cebf | 658 | lang_add_attribute (lang_object_symbols_statement_enum); |
6c19b93b | 659 | } |
6c93cebf | 660 | | CONSTRUCTORS |
252b5132 | 661 | { |
6c93cebf | 662 | lang_add_attribute (lang_constructors_statement_enum); |
252b5132 | 663 | } |
bcaa7b3e | 664 | | SORT_BY_NAME '(' CONSTRUCTORS ')' |
252b5132 | 665 | { |
f38a2680 | 666 | constructors_sorted = true; |
252b5132 RH |
667 | lang_add_attribute (lang_constructors_statement_enum); |
668 | } | |
669 | | input_section_spec | |
6c19b93b AM |
670 | | length '(' mustbe_exp ')' |
671 | { | |
672 | lang_add_data ((int) $1, $3); | |
673 | } | |
0d79a2a8 US |
674 | | ASCIZ NAME |
675 | { | |
a4d5aec7 | 676 | lang_add_string ($2); |
0d79a2a8 | 677 | } |
2c382fb6 | 678 | | FILL '(' fill_exp ')' |
6c19b93b AM |
679 | { |
680 | lang_add_fill ($3); | |
681 | } | |
2d5783fa NC |
682 | | LINKER_VERSION |
683 | { | |
684 | lang_add_version_string (); | |
685 | } | |
6c93cebf AM |
686 | | ASSERT_K |
687 | { ldlex_expression (); } | |
688 | '(' exp ',' NAME ')' separator | |
689 | { | |
690 | ldlex_popstate (); | |
691 | lang_add_assignment (exp_assert ($4, $6)); | |
692 | } | |
4006703d | 693 | | INCLUDE filename |
6c93cebf | 694 | { |
6c93cebf AM |
695 | ldfile_open_command_file ($2); |
696 | } | |
697 | statement_list_opt END | |
252b5132 RH |
698 | ; |
699 | ||
700 | statement_list: | |
701 | statement_list statement | |
6c19b93b | 702 | | statement |
252b5132 | 703 | ; |
d038301c | 704 | |
252b5132 RH |
705 | statement_list_opt: |
706 | /* empty */ | |
707 | | statement_list | |
708 | ; | |
709 | ||
710 | length: | |
711 | QUAD | |
712 | { $$ = $1; } | |
713 | | SQUAD | |
714 | { $$ = $1; } | |
715 | | LONG | |
716 | { $$ = $1; } | |
6c19b93b | 717 | | SHORT |
252b5132 RH |
718 | { $$ = $1; } |
719 | | BYTE | |
720 | { $$ = $1; } | |
721 | ; | |
722 | ||
2c382fb6 AM |
723 | fill_exp: |
724 | mustbe_exp | |
252b5132 | 725 | { |
02d44d76 | 726 | $$ = exp_get_fill ($1, 0, _("fill value")); |
252b5132 | 727 | } |
252b5132 RH |
728 | ; |
729 | ||
2c382fb6 AM |
730 | fill_opt: |
731 | '=' fill_exp | |
732 | { $$ = $2; } | |
6c19b93b | 733 | | { $$ = (fill_type *) 0; } |
2c382fb6 | 734 | ; |
252b5132 RH |
735 | |
736 | assign_op: | |
737 | PLUSEQ | |
738 | { $$ = '+'; } | |
739 | | MINUSEQ | |
740 | { $$ = '-'; } | |
6c19b93b | 741 | | MULTEQ |
252b5132 | 742 | { $$ = '*'; } |
6c19b93b | 743 | | DIVEQ |
252b5132 | 744 | { $$ = '/'; } |
6c19b93b | 745 | | LSHIFTEQ |
252b5132 | 746 | { $$ = LSHIFT; } |
6c19b93b | 747 | | RSHIFTEQ |
252b5132 | 748 | { $$ = RSHIFT; } |
6c19b93b | 749 | | ANDEQ |
252b5132 | 750 | { $$ = '&'; } |
6c19b93b | 751 | | OREQ |
252b5132 | 752 | { $$ = '|'; } |
c684d6c4 MM |
753 | | XOREQ |
754 | { $$ = '^'; } | |
252b5132 RH |
755 | |
756 | ; | |
757 | ||
6c93cebf | 758 | separator: ';' | ',' |
252b5132 RH |
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 | 811 | | INCLUDE filename |
3bb17dfb | 812 | { ldfile_open_command_file ($2); } |
4006703d | 813 | memory_spec_list_opt END |
74459f0e TW |
814 | ; |
815 | ||
816 | origin_spec: | |
252b5132 | 817 | ORIGIN '=' mustbe_exp |
e9ee469a | 818 | { |
cc9ad334 | 819 | region->origin_exp = $3; |
e9ee469a | 820 | } |
252b5132 RH |
821 | ; |
822 | ||
823 | length_spec: | |
6c19b93b | 824 | LENGTH '=' mustbe_exp |
e9ee469a | 825 | { |
a3e8dd2a AM |
826 | if (yychar == NAME) |
827 | { | |
828 | yyclearin; | |
829 | ldlex_backup (); | |
830 | } | |
cc9ad334 | 831 | region->length_exp = $3; |
252b5132 | 832 | } |
aa8804e4 | 833 | ; |
252b5132 RH |
834 | |
835 | attributes_opt: | |
aa8804e4 ILT |
836 | /* empty */ |
837 | { /* dummy action to avoid bison 1.25 error message */ } | |
838 | | '(' attributes_list ')' | |
839 | ; | |
840 | ||
841 | attributes_list: | |
842 | attributes_string | |
843 | | attributes_list attributes_string | |
844 | ; | |
845 | ||
846 | attributes_string: | |
847 | NAME | |
848 | { lang_set_flags (region, $1, 0); } | |
849 | | '!' NAME | |
850 | { lang_set_flags (region, $2, 1); } | |
252b5132 RH |
851 | ; |
852 | ||
853 | startup: | |
854 | STARTUP '(' filename ')' | |
855 | { lang_startup($3); } | |
856 | ; | |
857 | ||
858 | high_level_library: | |
859 | HLL '(' high_level_library_NAME_list ')' | |
860 | | HLL '(' ')' | |
861 | { ldemul_hll((char *)NULL); } | |
862 | ; | |
863 | ||
864 | high_level_library_NAME_list: | |
865 | high_level_library_NAME_list opt_comma filename | |
866 | { ldemul_hll($3); } | |
867 | | filename | |
868 | { ldemul_hll($1); } | |
252b5132 RH |
869 | ; |
870 | ||
871 | low_level_library: | |
872 | SYSLIB '(' low_level_library_NAME_list ')' | |
a5f92c67 AM |
873 | ; |
874 | ||
875 | low_level_library_NAME_list: | |
252b5132 RH |
876 | low_level_library_NAME_list opt_comma filename |
877 | { ldemul_syslib($3); } | |
878 | | | |
879 | ; | |
880 | ||
881 | floating_point_support: | |
882 | FLOAT | |
f38a2680 | 883 | { lang_float(true); } |
252b5132 | 884 | | NOFLOAT |
f38a2680 | 885 | { lang_float(false); } |
252b5132 | 886 | ; |
d038301c | 887 | |
252b5132 RH |
888 | nocrossref_list: |
889 | /* empty */ | |
890 | { | |
891 | $$ = NULL; | |
892 | } | |
893 | | NAME nocrossref_list | |
894 | { | |
895 | struct lang_nocrossref *n; | |
896 | ||
897 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
898 | n->name = $1; | |
899 | n->next = $2; | |
900 | $$ = n; | |
901 | } | |
902 | | NAME ',' nocrossref_list | |
903 | { | |
904 | struct lang_nocrossref *n; | |
905 | ||
906 | n = (struct lang_nocrossref *) xmalloc (sizeof *n); | |
907 | n->name = $1; | |
908 | n->next = $3; | |
909 | $$ = n; | |
910 | } | |
911 | ; | |
912 | ||
6c93cebf AM |
913 | paren_script_name: { ldlex_script (); } |
914 | '(' NAME ')' | |
915 | { ldlex_popstate (); $$ = $3; } | |
553dd76c | 916 | |
6c93cebf | 917 | mustbe_exp: { ldlex_expression (); } |
252b5132 | 918 | exp |
6c93cebf | 919 | { ldlex_popstate (); $$ = $2; } |
252b5132 RH |
920 | ; |
921 | ||
922 | exp : | |
923 | '-' exp %prec UNARY | |
3ec57632 | 924 | { $$ = exp_unop ('-', $2); } |
252b5132 RH |
925 | | '(' exp ')' |
926 | { $$ = $2; } | |
927 | | NEXT '(' exp ')' %prec UNARY | |
3ec57632 | 928 | { $$ = exp_unop ((int) $1,$3); } |
252b5132 | 929 | | '!' exp %prec UNARY |
3ec57632 | 930 | { $$ = exp_unop ('!', $2); } |
252b5132 RH |
931 | | '+' exp %prec UNARY |
932 | { $$ = $2; } | |
933 | | '~' exp %prec UNARY | |
3ec57632 | 934 | { $$ = exp_unop ('~', $2);} |
252b5132 RH |
935 | |
936 | | exp '*' exp | |
3ec57632 | 937 | { $$ = exp_binop ('*', $1, $3); } |
252b5132 | 938 | | exp '/' exp |
3ec57632 | 939 | { $$ = exp_binop ('/', $1, $3); } |
252b5132 | 940 | | exp '%' exp |
3ec57632 | 941 | { $$ = exp_binop ('%', $1, $3); } |
252b5132 | 942 | | exp '+' exp |
3ec57632 | 943 | { $$ = exp_binop ('+', $1, $3); } |
252b5132 | 944 | | exp '-' exp |
3ec57632 | 945 | { $$ = exp_binop ('-' , $1, $3); } |
252b5132 | 946 | | exp LSHIFT exp |
3ec57632 | 947 | { $$ = exp_binop (LSHIFT , $1, $3); } |
252b5132 | 948 | | exp RSHIFT exp |
3ec57632 | 949 | { $$ = exp_binop (RSHIFT , $1, $3); } |
252b5132 | 950 | | exp EQ exp |
3ec57632 | 951 | { $$ = exp_binop (EQ , $1, $3); } |
252b5132 | 952 | | exp NE exp |
3ec57632 | 953 | { $$ = exp_binop (NE , $1, $3); } |
252b5132 | 954 | | exp LE exp |
3ec57632 | 955 | { $$ = exp_binop (LE , $1, $3); } |
6c19b93b | 956 | | exp GE exp |
3ec57632 | 957 | { $$ = exp_binop (GE , $1, $3); } |
252b5132 | 958 | | exp '<' exp |
3ec57632 | 959 | { $$ = exp_binop ('<' , $1, $3); } |
252b5132 | 960 | | exp '>' exp |
3ec57632 | 961 | { $$ = exp_binop ('>' , $1, $3); } |
252b5132 | 962 | | exp '&' exp |
3ec57632 | 963 | { $$ = exp_binop ('&' , $1, $3); } |
252b5132 | 964 | | exp '^' exp |
3ec57632 | 965 | { $$ = exp_binop ('^' , $1, $3); } |
252b5132 | 966 | | exp '|' exp |
3ec57632 | 967 | { $$ = exp_binop ('|' , $1, $3); } |
252b5132 | 968 | | exp '?' exp ':' exp |
3ec57632 | 969 | { $$ = exp_trinop ('?' , $1, $3, $5); } |
252b5132 | 970 | | exp ANDAND exp |
3ec57632 | 971 | { $$ = exp_binop (ANDAND , $1, $3); } |
252b5132 | 972 | | exp OROR exp |
3ec57632 | 973 | { $$ = exp_binop (OROR , $1, $3); } |
252b5132 | 974 | | DEFINED '(' NAME ')' |
3ec57632 | 975 | { $$ = exp_nameop (DEFINED, $3); } |
252b5132 | 976 | | INT |
2c382fb6 | 977 | { $$ = exp_bigintop ($1.integer, $1.str); } |
6c19b93b | 978 | | SIZEOF_HEADERS |
3ec57632 | 979 | { $$ = exp_nameop (SIZEOF_HEADERS,0); } |
252b5132 | 980 | |
553dd76c AM |
981 | | ALIGNOF paren_script_name |
982 | { $$ = exp_nameop (ALIGNOF, $2); } | |
983 | | SIZEOF paren_script_name | |
984 | { $$ = exp_nameop (SIZEOF, $2); } | |
985 | | ADDR paren_script_name | |
986 | { $$ = exp_nameop (ADDR, $2); } | |
987 | | LOADADDR paren_script_name | |
988 | { $$ = exp_nameop (LOADADDR, $2); } | |
24718e3b L |
989 | | CONSTANT '(' NAME ')' |
990 | { $$ = exp_nameop (CONSTANT,$3); } | |
252b5132 | 991 | | ABSOLUTE '(' exp ')' |
3ec57632 | 992 | { $$ = exp_unop (ABSOLUTE, $3); } |
252b5132 | 993 | | ALIGN_K '(' exp ')' |
3ec57632 | 994 | { $$ = exp_unop (ALIGN_K,$3); } |
876f4090 | 995 | | ALIGN_K '(' exp ',' exp ')' |
3ec57632 | 996 | { $$ = exp_binop (ALIGN_K,$3,$5); } |
2d20f7bf JJ |
997 | | DATA_SEGMENT_ALIGN '(' exp ',' exp ')' |
998 | { $$ = exp_binop (DATA_SEGMENT_ALIGN, $3, $5); } | |
a4f5ad88 JJ |
999 | | DATA_SEGMENT_RELRO_END '(' exp ',' exp ')' |
1000 | { $$ = exp_binop (DATA_SEGMENT_RELRO_END, $5, $3); } | |
2d20f7bf | 1001 | | DATA_SEGMENT_END '(' exp ')' |
3ec57632 | 1002 | { $$ = exp_unop (DATA_SEGMENT_END, $3); } |
553dd76c AM |
1003 | | SEGMENT_START { ldlex_script (); } '(' NAME |
1004 | { ldlex_popstate (); } ',' exp ')' | |
6c19b93b | 1005 | { /* The operands to the expression node are |
ba916c8a MM |
1006 | placed in the opposite order from the way |
1007 | in which they appear in the script as | |
1008 | that allows us to reuse more code in | |
1009 | fold_binary. */ | |
1010 | $$ = exp_binop (SEGMENT_START, | |
553dd76c AM |
1011 | $7, |
1012 | exp_nameop (NAME, $4)); } | |
252b5132 | 1013 | | BLOCK '(' exp ')' |
3ec57632 | 1014 | { $$ = exp_unop (ALIGN_K,$3); } |
252b5132 | 1015 | | NAME |
3ec57632 | 1016 | { $$ = exp_nameop (NAME,$1); } |
252b5132 RH |
1017 | | MAX_K '(' exp ',' exp ')' |
1018 | { $$ = exp_binop (MAX_K, $3, $5 ); } | |
1019 | | MIN_K '(' exp ',' exp ')' | |
1020 | { $$ = exp_binop (MIN_K, $3, $5 ); } | |
1021 | | ASSERT_K '(' exp ',' NAME ')' | |
1022 | { $$ = exp_assert ($3, $5); } | |
af29a8ab AM |
1023 | | ORIGIN paren_script_name |
1024 | { $$ = exp_nameop (ORIGIN, $2); } | |
1025 | | LENGTH paren_script_name | |
1026 | { $$ = exp_nameop (LENGTH, $2); } | |
2e53f7d6 NC |
1027 | | LOG2CEIL '(' exp ')' |
1028 | { $$ = exp_unop (LOG2CEIL, $3); } | |
252b5132 RH |
1029 | ; |
1030 | ||
1031 | ||
562d3460 | 1032 | memspec_at_opt: |
6c19b93b AM |
1033 | AT '>' NAME { $$ = $3; } |
1034 | | { $$ = 0; } | |
1035 | ; | |
562d3460 | 1036 | |
252b5132 RH |
1037 | opt_at: |
1038 | AT '(' exp ')' { $$ = $3; } | |
1039 | | { $$ = 0; } | |
1040 | ; | |
1041 | ||
bbf115d3 L |
1042 | opt_align: |
1043 | ALIGN_K '(' exp ')' { $$ = $3; } | |
1044 | | { $$ = 0; } | |
1045 | ; | |
1046 | ||
1eec346e NC |
1047 | opt_align_with_input: |
1048 | ALIGN_WITH_INPUT { $$ = ALIGN_WITH_INPUT; } | |
1049 | | { $$ = 0; } | |
1050 | ; | |
1051 | ||
7e7d5768 AM |
1052 | opt_subalign: |
1053 | SUBALIGN '(' exp ')' { $$ = $3; } | |
1054 | | { $$ = 0; } | |
1055 | ; | |
1056 | ||
0841712e JJ |
1057 | sect_constraint: |
1058 | ONLY_IF_RO { $$ = ONLY_IF_RO; } | |
1059 | | ONLY_IF_RW { $$ = ONLY_IF_RW; } | |
0cf7d72c | 1060 | | SPECIAL { $$ = SPECIAL; } |
0841712e JJ |
1061 | | { $$ = 0; } |
1062 | ; | |
1063 | ||
6c93cebf AM |
1064 | section: NAME |
1065 | { ldlex_expression(); } | |
d038301c | 1066 | opt_exp_with_type |
7e7d5768 | 1067 | opt_at |
bbf115d3 | 1068 | opt_align |
1eec346e | 1069 | opt_align_with_input |
6c93cebf | 1070 | opt_subalign |
0841712e | 1071 | sect_constraint |
252b5132 | 1072 | { |
af29a8ab AM |
1073 | ldlex_popstate (); |
1074 | ldlex_wild (); | |
c212f39d FS |
1075 | lang_enter_output_section_statement ($1, $3, sectype, |
1076 | sectype_value, $5, $7, $4, $8, $6); | |
252b5132 | 1077 | } |
af29a8ab | 1078 | '{' |
d038301c | 1079 | statement_list_opt |
6c93cebf | 1080 | '}' |
af29a8ab | 1081 | { ldlex_popstate (); } |
562d3460 | 1082 | memspec_opt memspec_at_opt phdr_opt fill_opt |
6c93cebf | 1083 | { |
4ffb22ec AM |
1084 | /* fill_opt may have switched the lexer into |
1085 | expression state, and back again, but in | |
1086 | order to find the end of the fill | |
1087 | expression the parser must look ahead one | |
1088 | token. If it is a NAME, throw it away as | |
1089 | it will have been lexed in the wrong | |
1090 | state. */ | |
1091 | if (yychar == NAME) | |
1092 | { | |
1093 | yyclearin; | |
1094 | ldlex_backup (); | |
1095 | } | |
af29a8ab AM |
1096 | lang_leave_output_section_statement ($17, $14, |
1097 | $16, $15); | |
6c93cebf | 1098 | } |
252b5132 RH |
1099 | opt_comma |
1100 | | OVERLAY | |
1101 | { ldlex_expression (); } | |
7e7d5768 | 1102 | opt_exp_without_type opt_nocrossrefs opt_at opt_subalign |
af29a8ab | 1103 | { ldlex_popstate (); } |
d038301c | 1104 | '{' |
252b5132 | 1105 | { |
7e7d5768 | 1106 | lang_enter_overlay ($3, $6); |
252b5132 RH |
1107 | } |
1108 | overlay_section | |
1109 | '}' | |
562d3460 | 1110 | memspec_opt memspec_at_opt phdr_opt fill_opt |
252b5132 | 1111 | { |
4ffb22ec AM |
1112 | if (yychar == NAME) |
1113 | { | |
1114 | yyclearin; | |
1115 | ldlex_backup (); | |
1116 | } | |
9f88b410 | 1117 | lang_leave_overlay ($5, (int) $4, |
af29a8ab | 1118 | $15, $12, $14, $13); |
252b5132 RH |
1119 | } |
1120 | opt_comma | |
1121 | | /* The GROUP case is just enough to support the gcc | |
1122 | svr3.ifile script. It is not intended to be full | |
1123 | support. I'm not even sure what GROUP is supposed | |
1124 | to mean. */ | |
6c93cebf AM |
1125 | GROUP |
1126 | { ldlex_expression (); } | |
252b5132 | 1127 | opt_exp_with_type |
6c93cebf AM |
1128 | { |
1129 | ldlex_popstate (); | |
1130 | lang_add_assignment (exp_assign (".", $3, false)); | |
1131 | } | |
252b5132 | 1132 | '{' sec_or_group_p1 '}' |
4006703d | 1133 | | INCLUDE filename |
6c93cebf | 1134 | { |
6c93cebf AM |
1135 | ldfile_open_command_file ($2); |
1136 | } | |
4006703d | 1137 | sec_or_group_p1 END |
252b5132 RH |
1138 | ; |
1139 | ||
1140 | type: | |
1141 | NOLOAD { sectype = noload_section; } | |
02a38f92 AM |
1142 | | DSECT { sectype = noalloc_section; } |
1143 | | COPY { sectype = noalloc_section; } | |
1144 | | INFO { sectype = noalloc_section; } | |
1145 | | OVERLAY { sectype = noalloc_section; } | |
c212f39d | 1146 | | READONLY '(' TYPE '=' exp ')' { sectype = typed_readonly_section; sectype_value = $5; } |
6b86da53 | 1147 | | READONLY { sectype = readonly_section; } |
c212f39d FS |
1148 | | TYPE '=' exp { sectype = type_section; sectype_value = $3; } |
1149 | ; | |
252b5132 RH |
1150 | |
1151 | atype: | |
6c19b93b AM |
1152 | '(' type ')' |
1153 | | /* EMPTY */ { sectype = normal_section; } | |
1154 | | '(' ')' { sectype = normal_section; } | |
252b5132 RH |
1155 | ; |
1156 | ||
1157 | opt_exp_with_type: | |
1158 | exp atype ':' { $$ = $1; } | |
1159 | | atype ':' { $$ = (etree_type *)NULL; } | |
1160 | | /* The BIND cases are to support the gcc svr3.ifile | |
1161 | script. They aren't intended to implement full | |
1162 | support for the BIND keyword. I'm not even sure | |
1163 | what BIND is supposed to mean. */ | |
1164 | BIND '(' exp ')' atype ':' { $$ = $3; } | |
1165 | | BIND '(' exp ')' BLOCK '(' exp ')' atype ':' | |
1166 | { $$ = $3; } | |
1167 | ; | |
1168 | ||
1169 | opt_exp_without_type: | |
1170 | exp ':' { $$ = $1; } | |
1171 | | ':' { $$ = (etree_type *) NULL; } | |
1172 | ; | |
1173 | ||
1174 | opt_nocrossrefs: | |
1175 | /* empty */ | |
1176 | { $$ = 0; } | |
1177 | | NOCROSSREFS | |
1178 | { $$ = 1; } | |
1179 | ; | |
1180 | ||
1181 | memspec_opt: | |
1182 | '>' NAME | |
1183 | { $$ = $2; } | |
a747ee4d | 1184 | | { $$ = DEFAULT_MEMORY_REGION; } |
252b5132 RH |
1185 | ; |
1186 | ||
1187 | phdr_opt: | |
1188 | /* empty */ | |
1189 | { | |
1190 | $$ = NULL; | |
1191 | } | |
1192 | | phdr_opt ':' NAME | |
1193 | { | |
1194 | struct lang_output_section_phdr_list *n; | |
1195 | ||
1196 | n = ((struct lang_output_section_phdr_list *) | |
1197 | xmalloc (sizeof *n)); | |
1198 | n->name = $3; | |
f38a2680 | 1199 | n->used = false; |
252b5132 RH |
1200 | n->next = $1; |
1201 | $$ = n; | |
1202 | } | |
1203 | ; | |
1204 | ||
1205 | overlay_section: | |
1206 | /* empty */ | |
1207 | | overlay_section | |
1208 | NAME | |
1209 | { | |
af29a8ab | 1210 | ldlex_wild (); |
252b5132 RH |
1211 | lang_enter_overlay_section ($2); |
1212 | } | |
af29a8ab AM |
1213 | '{' |
1214 | statement_list_opt | |
1215 | '}' | |
1216 | { ldlex_popstate (); } | |
252b5132 RH |
1217 | phdr_opt fill_opt |
1218 | { | |
4ffb22ec AM |
1219 | if (yychar == NAME) |
1220 | { | |
1221 | yyclearin; | |
1222 | ldlex_backup (); | |
1223 | } | |
252b5132 RH |
1224 | lang_leave_overlay_section ($9, $8); |
1225 | } | |
1226 | opt_comma | |
1227 | ; | |
1228 | ||
1229 | phdrs: | |
1230 | PHDRS '{' phdr_list '}' | |
1231 | ; | |
1232 | ||
1233 | phdr_list: | |
1234 | /* empty */ | |
1235 | | phdr_list phdr | |
1236 | ; | |
1237 | ||
1238 | phdr: | |
1239 | NAME { ldlex_expression (); } | |
1240 | phdr_type phdr_qualifiers { ldlex_popstate (); } | |
1241 | ';' | |
1242 | { | |
1243 | lang_new_phdr ($1, $3, $4.filehdr, $4.phdrs, $4.at, | |
1244 | $4.flags); | |
1245 | } | |
1246 | ; | |
1247 | ||
1248 | phdr_type: | |
1249 | exp | |
1250 | { | |
1251 | $$ = $1; | |
1252 | ||
1253 | if ($1->type.node_class == etree_name | |
1254 | && $1->type.node_code == NAME) | |
1255 | { | |
1256 | const char *s; | |
1257 | unsigned int i; | |
1258 | static const char * const phdr_types[] = | |
1259 | { | |
1260 | "PT_NULL", "PT_LOAD", "PT_DYNAMIC", | |
1261 | "PT_INTERP", "PT_NOTE", "PT_SHLIB", | |
d038301c | 1262 | "PT_PHDR", "PT_TLS" |
252b5132 RH |
1263 | }; |
1264 | ||
1265 | s = $1->name.name; | |
1266 | for (i = 0; | |
1267 | i < sizeof phdr_types / sizeof phdr_types[0]; | |
1268 | i++) | |
1269 | if (strcmp (s, phdr_types[i]) == 0) | |
1270 | { | |
1271 | $$ = exp_intop (i); | |
1272 | break; | |
1273 | } | |
d038301c RM |
1274 | if (i == sizeof phdr_types / sizeof phdr_types[0]) |
1275 | { | |
1276 | if (strcmp (s, "PT_GNU_EH_FRAME") == 0) | |
1277 | $$ = exp_intop (0x6474e550); | |
9ee5e499 JJ |
1278 | else if (strcmp (s, "PT_GNU_STACK") == 0) |
1279 | $$ = exp_intop (0x6474e551); | |
ee9e412f NC |
1280 | else if (strcmp (s, "PT_GNU_RELRO") == 0) |
1281 | $$ = exp_intop (0x6474e552); | |
1282 | else if (strcmp (s, "PT_GNU_PROPERTY") == 0) | |
1283 | $$ = exp_intop (0x6474e553); | |
d038301c RM |
1284 | else |
1285 | { | |
1286 | einfo (_("\ | |
c1c8c1ef | 1287 | %X%P:%pS: unknown phdr type `%s' (try integer literal)\n"), |
dab69f68 | 1288 | NULL, s); |
d038301c RM |
1289 | $$ = exp_intop (0); |
1290 | } | |
1291 | } | |
252b5132 RH |
1292 | } |
1293 | } | |
1294 | ; | |
1295 | ||
1296 | phdr_qualifiers: | |
1297 | /* empty */ | |
1298 | { | |
1299 | memset (&$$, 0, sizeof (struct phdr_info)); | |
1300 | } | |
1301 | | NAME phdr_val phdr_qualifiers | |
1302 | { | |
1303 | $$ = $3; | |
1304 | if (strcmp ($1, "FILEHDR") == 0 && $2 == NULL) | |
f38a2680 | 1305 | $$.filehdr = true; |
252b5132 | 1306 | else if (strcmp ($1, "PHDRS") == 0 && $2 == NULL) |
f38a2680 | 1307 | $$.phdrs = true; |
252b5132 RH |
1308 | else if (strcmp ($1, "FLAGS") == 0 && $2 != NULL) |
1309 | $$.flags = $2; | |
1310 | else | |
c1c8c1ef | 1311 | einfo (_("%X%P:%pS: PHDRS syntax error at `%s'\n"), |
dab69f68 | 1312 | NULL, $1); |
252b5132 RH |
1313 | } |
1314 | | AT '(' exp ')' phdr_qualifiers | |
1315 | { | |
1316 | $$ = $5; | |
1317 | $$.at = $3; | |
1318 | } | |
1319 | ; | |
1320 | ||
1321 | phdr_val: | |
1322 | /* empty */ | |
1323 | { | |
1324 | $$ = NULL; | |
1325 | } | |
1326 | | '(' exp ')' | |
1327 | { | |
1328 | $$ = $2; | |
1329 | } | |
1330 | ; | |
1331 | ||
55255dae L |
1332 | dynamic_list_file: |
1333 | { | |
1334 | ldlex_version_file (); | |
1335 | PUSH_ERROR (_("dynamic list")); | |
1336 | } | |
1337 | dynamic_list_nodes | |
1338 | { | |
1339 | ldlex_popstate (); | |
1340 | POP_ERROR (); | |
1341 | } | |
1342 | ; | |
1343 | ||
1344 | dynamic_list_nodes: | |
1345 | dynamic_list_node | |
1346 | | dynamic_list_nodes dynamic_list_node | |
1347 | ; | |
1348 | ||
1349 | dynamic_list_node: | |
1350 | '{' dynamic_list_tag '}' ';' | |
1351 | ; | |
1352 | ||
1353 | dynamic_list_tag: | |
1354 | vers_defns ';' | |
1355 | { | |
37a141bf | 1356 | lang_append_dynamic_list (current_dynamic_list_p, $1); |
55255dae L |
1357 | } |
1358 | ; | |
1359 | ||
252b5132 RH |
1360 | /* This syntax is used within an external version script file. */ |
1361 | ||
1362 | version_script_file: | |
1363 | { | |
1364 | ldlex_version_file (); | |
1365 | PUSH_ERROR (_("VERSION script")); | |
1366 | } | |
1367 | vers_nodes | |
1368 | { | |
1369 | ldlex_popstate (); | |
1370 | POP_ERROR (); | |
1371 | } | |
1372 | ; | |
1373 | ||
1374 | /* This is used within a normal linker script file. */ | |
1375 | ||
1376 | version: | |
1377 | { | |
1378 | ldlex_version_script (); | |
1379 | } | |
1380 | VERSIONK '{' vers_nodes '}' | |
1381 | { | |
1382 | ldlex_popstate (); | |
1383 | } | |
1384 | ; | |
1385 | ||
1386 | vers_nodes: | |
1387 | vers_node | |
1388 | | vers_nodes vers_node | |
1389 | ; | |
1390 | ||
1391 | vers_node: | |
6b9b879a JJ |
1392 | '{' vers_tag '}' ';' |
1393 | { | |
1394 | lang_register_vers_node (NULL, $2, NULL); | |
1395 | } | |
1396 | | VERS_TAG '{' vers_tag '}' ';' | |
252b5132 RH |
1397 | { |
1398 | lang_register_vers_node ($1, $3, NULL); | |
1399 | } | |
1400 | | VERS_TAG '{' vers_tag '}' verdep ';' | |
1401 | { | |
1402 | lang_register_vers_node ($1, $3, $5); | |
1403 | } | |
1404 | ; | |
1405 | ||
1406 | verdep: | |
1407 | VERS_TAG | |
1408 | { | |
1409 | $$ = lang_add_vers_depend (NULL, $1); | |
1410 | } | |
1411 | | verdep VERS_TAG | |
1412 | { | |
1413 | $$ = lang_add_vers_depend ($1, $2); | |
1414 | } | |
1415 | ; | |
1416 | ||
1417 | vers_tag: | |
1418 | /* empty */ | |
1419 | { | |
1420 | $$ = lang_new_vers_node (NULL, NULL); | |
1421 | } | |
1422 | | vers_defns ';' | |
1423 | { | |
1424 | $$ = lang_new_vers_node ($1, NULL); | |
1425 | } | |
1426 | | GLOBAL ':' vers_defns ';' | |
1427 | { | |
1428 | $$ = lang_new_vers_node ($3, NULL); | |
1429 | } | |
1430 | | LOCAL ':' vers_defns ';' | |
1431 | { | |
1432 | $$ = lang_new_vers_node (NULL, $3); | |
1433 | } | |
1434 | | GLOBAL ':' vers_defns ';' LOCAL ':' vers_defns ';' | |
1435 | { | |
1436 | $$ = lang_new_vers_node ($3, $7); | |
1437 | } | |
1438 | ; | |
1439 | ||
1440 | vers_defns: | |
1441 | VERS_IDENTIFIER | |
1442 | { | |
f38a2680 | 1443 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, false); |
86043bbb | 1444 | } |
6c19b93b | 1445 | | NAME |
86043bbb | 1446 | { |
f38a2680 | 1447 | $$ = lang_new_vers_pattern (NULL, $1, ldgram_vers_current_lang, true); |
252b5132 RH |
1448 | } |
1449 | | vers_defns ';' VERS_IDENTIFIER | |
1450 | { | |
f38a2680 | 1451 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, false); |
86043bbb MM |
1452 | } |
1453 | | vers_defns ';' NAME | |
1454 | { | |
f38a2680 | 1455 | $$ = lang_new_vers_pattern ($1, $3, ldgram_vers_current_lang, true); |
252b5132 | 1456 | } |
8e23b15d AM |
1457 | | vers_defns ';' EXTERN NAME '{' |
1458 | { | |
1459 | $<name>$ = ldgram_vers_current_lang; | |
1460 | ldgram_vers_current_lang = $4; | |
1461 | } | |
1462 | vers_defns opt_semicolon '}' | |
1463 | { | |
96f8ade5 JJ |
1464 | struct bfd_elf_version_expr *pat; |
1465 | for (pat = $7; pat->next != NULL; pat = pat->next); | |
1466 | pat->next = $1; | |
8e23b15d AM |
1467 | $$ = $7; |
1468 | ldgram_vers_current_lang = $<name>6; | |
1469 | } | |
252b5132 RH |
1470 | | EXTERN NAME '{' |
1471 | { | |
1472 | $<name>$ = ldgram_vers_current_lang; | |
1473 | ldgram_vers_current_lang = $2; | |
1474 | } | |
8e23b15d | 1475 | vers_defns opt_semicolon '}' |
252b5132 | 1476 | { |
e06cae36 | 1477 | $$ = $5; |
252b5132 RH |
1478 | ldgram_vers_current_lang = $<name>4; |
1479 | } | |
96f8ade5 JJ |
1480 | | GLOBAL |
1481 | { | |
f38a2680 | 1482 | $$ = lang_new_vers_pattern (NULL, "global", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1483 | } |
1484 | | vers_defns ';' GLOBAL | |
1485 | { | |
f38a2680 | 1486 | $$ = lang_new_vers_pattern ($1, "global", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1487 | } |
1488 | | LOCAL | |
1489 | { | |
f38a2680 | 1490 | $$ = lang_new_vers_pattern (NULL, "local", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1491 | } |
1492 | | vers_defns ';' LOCAL | |
1493 | { | |
f38a2680 | 1494 | $$ = lang_new_vers_pattern ($1, "local", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1495 | } |
1496 | | EXTERN | |
1497 | { | |
f38a2680 | 1498 | $$ = lang_new_vers_pattern (NULL, "extern", ldgram_vers_current_lang, false); |
96f8ade5 JJ |
1499 | } |
1500 | | vers_defns ';' EXTERN | |
1501 | { | |
f38a2680 | 1502 | $$ = lang_new_vers_pattern ($1, "extern", ldgram_vers_current_lang, false); |
96f8ade5 | 1503 | } |
252b5132 RH |
1504 | ; |
1505 | ||
8e23b15d AM |
1506 | opt_semicolon: |
1507 | /* empty */ | |
1508 | | ';' | |
1509 | ; | |
1510 | ||
252b5132 | 1511 | %% |
44f8d229 AM |
1512 | static void |
1513 | yyerror (const char *arg) | |
d038301c | 1514 | { |
252b5132 RH |
1515 | if (ldfile_assumed_script) |
1516 | einfo (_("%P:%s: file format not recognized; treating as linker script\n"), | |
dab69f68 | 1517 | ldlex_filename ()); |
252b5132 | 1518 | if (error_index > 0 && error_index < ERROR_NAME_MAX) |
02d44d76 | 1519 | einfo (_("%F%P:%pS: %s in %s\n"), NULL, arg, error_names[error_index - 1]); |
252b5132 | 1520 | else |
df5f2391 | 1521 | einfo ("%F%P:%pS: %s\n", NULL, arg); |
252b5132 | 1522 | } |