Commit | Line | Data |
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c611e285 SC |
1 | /* A YACC grammer to parse a superset of the AT&T linker scripting languaue. |
2 | Copyright (C) 1991 Free Software Foundation, Inc. | |
3 | Written by Steve Chamberlain of Cygnus Support (steve@cygnus.com). | |
2fa0b342 | 4 | |
c611e285 | 5 | This file is part of GNU ld. |
2fa0b342 | 6 | |
c611e285 SC |
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 | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
2fa0b342 | 11 | |
c611e285 SC |
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. | |
2fa0b342 | 16 | |
c611e285 SC |
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 | |
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
20 | ||
21 | %{ | |
22 | /* | |
2e2bf962 | 23 | |
c611e285 | 24 | */ |
2fa0b342 | 25 | |
f177a611 | 26 | #define DONTDECLARE_MALLOC |
2fa0b342 | 27 | |
2fa0b342 | 28 | #include "bfd.h" |
f177a611 | 29 | #include "sysdep.h" |
2fa0b342 DHW |
30 | #include "ld.h" |
31 | #include "ldexp.h" | |
7cb9aa50 | 32 | #include "ldver.h" |
2fa0b342 | 33 | #include "ldlang.h" |
f177a611 | 34 | #include "ldemul.h" |
2fa0b342 DHW |
35 | #include "ldfile.h" |
36 | #include "ldmisc.h" | |
f177a611 JG |
37 | |
38 | ||
2fa0b342 DHW |
39 | #define YYDEBUG 1 |
40 | ||
41 | boolean option_v; | |
2fa0b342 DHW |
42 | extern unsigned int lineno; |
43 | extern boolean trace_files; | |
44 | extern boolean write_map; | |
c611e285 | 45 | extern boolean option_longmap; |
2fa0b342 DHW |
46 | boolean hex_mode; |
47 | ||
d646b568 SC |
48 | strip_symbols_type strip_symbols=STRIP_NONE; |
49 | discard_locals_type discard_locals=DISCARD_NONE; | |
2fa0b342 DHW |
50 | |
51 | ||
52 | lang_memory_region_type *region; | |
53 | ||
54 | ||
55 | lang_memory_region_type *lang_memory_region_lookup(); | |
56 | lang_output_section_statement_type *lang_output_section_statement_lookup(); | |
57 | ||
58 | #ifdef __STDC__ | |
59 | ||
60 | void lang_add_data(int type, union etree_union *exp); | |
f177a611 | 61 | void lang_enter_output_section_statement(char *output_section_statement_name, etree_type *address_exp, int flags, bfd_vma block_value); |
2fa0b342 DHW |
62 | |
63 | #else | |
64 | ||
65 | void lang_add_data(); | |
66 | void lang_enter_output_section_statement(); | |
67 | ||
68 | #endif /* __STDC__ */ | |
69 | ||
70 | extern args_type command_line; | |
71 | char *current_file; | |
72 | boolean ldgram_want_filename = true; | |
73 | boolean had_script = false; | |
74 | boolean force_make_executable = false; | |
1d45ccb3 | 75 | |
1418c83b | 76 | boolean ldgram_in_script = false; |
1d45ccb3 | 77 | boolean ldgram_had_equals = false; |
2fa0b342 DHW |
78 | /* LOCALS */ |
79 | ||
80 | ||
81 | ||
82 | ||
83 | %} | |
84 | %union { | |
85 | bfd_vma integer; | |
86 | int voidval; | |
87 | char *name; | |
88 | int token; | |
89 | union etree_union *etree; | |
90 | asection *section; | |
91 | struct lang_output_section_statement_struct *output_section_statement; | |
92 | union lang_statement_union **statement_ptr; | |
93 | int lineno; | |
94 | struct { | |
95 | FILE *file; | |
96 | char *name; | |
97 | unsigned int lineno; | |
98 | } state; | |
99 | ||
100 | ||
101 | } | |
102 | ||
6812f0e8 | 103 | %type <etree> exp opt_exp |
f177a611 | 104 | %type <integer> fill_opt opt_block opt_type |
2fa0b342 | 105 | %type <name> memspec_opt |
6812f0e8 | 106 | %token <integer> INT |
2fa0b342 DHW |
107 | %token <name> NAME |
108 | %type <integer> length | |
109 | ||
a37cc0c0 | 110 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ |
2fa0b342 DHW |
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 | |
6812f0e8 | 120 | |
2fa0b342 DHW |
121 | %left <token> '+' '-' |
122 | %left <token> '*' '/' '%' | |
6812f0e8 SC |
123 | |
124 | /*%token <token> '+' '-' '*' '/' '%'*/ | |
2fa0b342 DHW |
125 | %right UNARY |
126 | %left <token> '(' | |
127 | %token <token> ALIGN_K BLOCK LONG SHORT BYTE | |
128 | %token SECTIONS | |
129 | %token '{' '}' | |
6812f0e8 SC |
130 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH |
131 | %token SIZEOF_HEADERS | |
f177a611 JG |
132 | %token MEMORY |
133 | %token NOLOAD DSECT COPY INFO OVERLAY | |
2fa0b342 | 134 | %token NAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY |
b6316534 | 135 | %token OPTION_e OPTION_c OPTION_noinhibit_exec OPTION_s OPTION_S OPTION_sort_common |
f177a611 | 136 | %token OPTION_format OPTION_F OPTION_u OPTION_Bstatic OPTION_N |
6812f0e8 | 137 | %token <integer> SIZEOF NEXT ADDR |
a37cc0c0 | 138 | %token OPTION_d OPTION_dc OPTION_dp OPTION_x OPTION_X OPTION_defsym |
2e2bf962 SC |
139 | %token OPTION_v OPTION_V OPTION_M OPTION_t STARTUP HLL SYSLIB FLOAT NOFLOAT |
140 | %token OPTION_Map | |
c611e285 | 141 | %token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_R OPTION_relax |
2fa0b342 DHW |
142 | %token <name> OPTION_l OPTION_L OPTION_T OPTION_Aarch OPTION_Tfile OPTION_Texp |
143 | %token OPTION_Ur | |
144 | %token ORIGIN FILL OPTION_g | |
f177a611 | 145 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT OUTPUT CONSTRUCTORS |
6812f0e8 SC |
146 | %type <token> assign_op |
147 | ||
2fa0b342 DHW |
148 | %type <name> filename |
149 | ||
150 | %{ | |
151 | ld_config_type config; | |
152 | %} | |
153 | ||
154 | %% | |
155 | ||
156 | ||
157 | ||
158 | file: command_line { lang_final(); }; | |
159 | ||
160 | ||
161 | filename: | |
7ca04d28 | 162 | NAME; |
2fa0b342 DHW |
163 | |
164 | command_line: | |
165 | command_line command_line_option | |
166 | | | |
167 | ; | |
168 | ||
169 | command_line_option: | |
a37cc0c0 | 170 | '{' |
ac004870 SC |
171 | { ldgram_in_script = true; } |
172 | ifile_list | |
173 | { ldgram_in_script = false; } | |
a37cc0c0 | 174 | '}' |
f177a611 | 175 | | OPTION_Bstatic { } |
1418c83b | 176 | | OPTION_v |
2fa0b342 DHW |
177 | { |
178 | ldversion(); | |
179 | option_v = true; | |
180 | } | |
c611e285 SC |
181 | | OPTION_V |
182 | { | |
183 | ldversion(); | |
184 | option_v = true; | |
185 | } | |
2fa0b342 DHW |
186 | | OPTION_t { |
187 | trace_files = true; | |
188 | } | |
2e2bf962 SC |
189 | | OPTION_Map NAME |
190 | { | |
191 | write_map = true; | |
192 | config.map_filename = $2; | |
193 | } | |
194 | ||
2fa0b342 | 195 | | OPTION_M { |
870f54b2 SC |
196 | config.map_filename = "-"; |
197 | ||
2fa0b342 DHW |
198 | } |
199 | | OPTION_n { | |
200 | config.magic_demand_paged = false; | |
2fa0b342 | 201 | } |
f177a611 | 202 | | OPTION_N { |
c611e285 | 203 | config.text_read_only = false; |
f177a611 JG |
204 | config.magic_demand_paged = false; |
205 | } | |
2fa0b342 DHW |
206 | | OPTION_s { |
207 | strip_symbols = STRIP_ALL; | |
208 | } | |
209 | | OPTION_S { | |
210 | strip_symbols = STRIP_DEBUGGER; | |
211 | } | |
1418c83b SC |
212 | | OPTION_u NAME { |
213 | ldlang_add_undef($2); | |
214 | } | |
215 | ||
2fa0b342 DHW |
216 | | OPTION_r { |
217 | config.relocateable_output = true; | |
218 | config.build_constructors = false; | |
219 | config.magic_demand_paged = false; | |
c611e285 | 220 | config.text_read_only = false; |
2fa0b342 DHW |
221 | } |
222 | | OPTION_Ur { | |
223 | config.relocateable_output = true; | |
224 | config.build_constructors = true; | |
225 | config.magic_demand_paged = false; | |
c611e285 | 226 | config.text_read_only = false; |
2fa0b342 DHW |
227 | } |
228 | | OPTION_o filename | |
229 | { | |
230 | lang_add_output($2); | |
231 | } | |
232 | | OPTION_e NAME | |
233 | { lang_add_entry($2); | |
234 | } | |
235 | | OPTION_X { | |
236 | discard_locals = DISCARD_L; | |
237 | } | |
238 | | OPTION_x { | |
239 | discard_locals = DISCARD_ALL; | |
240 | } | |
241 | ||
242 | | OPTION_noinhibit_exec | |
243 | { | |
244 | force_make_executable = true; | |
245 | } | |
b6316534 SC |
246 | | OPTION_sort_common { |
247 | config.sort_common = true; | |
248 | } | |
1418c83b | 249 | | OPTION_d { |
2fa0b342 DHW |
250 | command_line.force_common_definition = true; |
251 | } | |
c611e285 SC |
252 | |
253 | | OPTION_relax { | |
254 | command_line.relax = true; | |
255 | } | |
1418c83b | 256 | | OPTION_dc |
2fa0b342 DHW |
257 | { |
258 | command_line.force_common_definition = true; | |
259 | } | |
260 | | OPTION_g | |
261 | { | |
262 | /* Ignored */ | |
263 | } | |
1418c83b | 264 | | OPTION_dp |
2fa0b342 DHW |
265 | { |
266 | command_line.force_common_definition = true; | |
267 | } | |
1418c83b | 268 | | OPTION_format NAME |
7ca04d28 SC |
269 | { |
270 | lang_add_target($2); | |
271 | } | |
de7c1ff6 | 272 | | OPTION_Texp |
1418c83b SC |
273 | { |
274 | hex_mode =true; | |
275 | } | |
276 | INT | |
277 | { | |
278 | lang_section_start($1,exp_intop($3)); | |
279 | hex_mode = false; | |
280 | } | |
2fa0b342 | 281 | |
7ca04d28 | 282 | | OPTION_Aarch |
1418c83b SC |
283 | { |
284 | ldfile_add_arch($1); | |
285 | } | |
7ca04d28 | 286 | | OPTION_b NAME |
2fa0b342 DHW |
287 | { |
288 | lang_add_target($2); | |
289 | } | |
290 | | OPTION_L | |
291 | { | |
292 | ldfile_add_library_path($1); | |
1418c83b | 293 | } |
7ca04d28 SC |
294 | | OPTION_F |
295 | { | |
296 | /* Ignore */ | |
297 | } | |
1418c83b SC |
298 | | NAME |
299 | { lang_add_input_file($1,lang_input_file_is_file_enum, | |
300 | (char *)NULL); } | |
f177a611 JG |
301 | | OPTION_c filename |
302 | { ldfile_open_command_file($2); } script_file | |
1418c83b SC |
303 | | OPTION_Tfile |
304 | { ldfile_open_command_file($1); } script_file | |
2fa0b342 | 305 | |
1418c83b SC |
306 | | OPTION_T filename |
307 | { ldfile_open_command_file($2); } script_file | |
2fa0b342 DHW |
308 | |
309 | | OPTION_l | |
310 | { | |
311 | lang_add_input_file($1, | |
312 | lang_input_file_is_l_enum, | |
313 | (char *)NULL); | |
314 | } | |
1418c83b | 315 | | OPTION_R filename |
2fa0b342 DHW |
316 | { |
317 | lang_add_input_file($2, | |
318 | lang_input_file_is_symbols_only_enum, | |
319 | (char *)NULL); | |
320 | } | |
7ca04d28 SC |
321 | | OPTION_defsym |
322 | { | |
7ca04d28 | 323 | } |
1d45ccb3 | 324 | NAME '=' |
6812f0e8 | 325 | exp |
7ca04d28 | 326 | { |
1d45ccb3 | 327 | lang_add_assignment(exp_assop($4,$3,$5)); |
7ca04d28 | 328 | } |
1418c83b SC |
329 | | '-' NAME |
330 | { info("%P%F Unrecognised option -%s\n", $2); } | |
7ca04d28 | 331 | |
2fa0b342 DHW |
332 | ; |
333 | ||
334 | ||
1418c83b | 335 | |
2fa0b342 DHW |
336 | |
337 | ||
338 | ||
1418c83b SC |
339 | |
340 | ||
341 | script_file: | |
342 | { ldgram_in_script = true; } | |
a37cc0c0 | 343 | ifile_list '}' |
1418c83b SC |
344 | { ldgram_in_script = false; } |
345 | ||
346 | ; | |
347 | ||
348 | ||
349 | ifile_list: | |
350 | ifile_list ifile_p1 | |
13a0e8d7 | 351 | | |
2fa0b342 DHW |
352 | ; |
353 | ||
354 | ||
355 | ||
356 | ifile_p1: | |
357 | memory | |
358 | | sections | |
359 | | startup | |
360 | | high_level_library | |
361 | | low_level_library | |
362 | | floating_point_support | |
ac004870 | 363 | | statement_anywhere |
f177a611 | 364 | | ';' |
2fa0b342 DHW |
365 | | TARGET_K '(' NAME ')' |
366 | { lang_add_target($3); } | |
367 | | SEARCH_DIR '(' filename ')' | |
368 | { ldfile_add_library_path($3); } | |
369 | | OUTPUT '(' filename ')' | |
370 | { lang_add_output($3); } | |
13a0e8d7 SC |
371 | | OUTPUT_FORMAT '(' NAME ')' |
372 | { lang_add_output_format($3); } | |
a37cc0c0 SC |
373 | | OUTPUT_ARCH '(' NAME ')' |
374 | { ldfile_set_output_arch($3); } | |
13a0e8d7 SC |
375 | | FORCE_COMMON_ALLOCATION |
376 | { command_line.force_common_definition = true ; } | |
2fa0b342 DHW |
377 | | INPUT '(' input_list ')' |
378 | | MAP '(' filename ')' | |
379 | { lang_add_map($3); } | |
380 | ; | |
381 | ||
382 | input_list: | |
383 | NAME | |
384 | { lang_add_input_file($1,lang_input_file_is_file_enum, | |
385 | (char *)NULL); } | |
386 | | input_list ',' NAME | |
387 | { lang_add_input_file($3,lang_input_file_is_file_enum, | |
388 | (char *)NULL); } | |
389 | | input_list NAME | |
390 | { lang_add_input_file($2, lang_input_file_is_file_enum, | |
391 | (char *)NULL); } | |
392 | ; | |
393 | ||
394 | sections: | |
395 | SECTIONS '{'sec_or_group_p1 '}' | |
396 | ; | |
397 | ||
398 | sec_or_group_p1: | |
399 | sec_or_group_p1 section | |
400 | | sec_or_group_p1 statement_anywhere | |
401 | | | |
402 | ; | |
403 | ||
404 | statement_anywhere: | |
405 | ENTRY '(' NAME ')' | |
406 | { lang_add_entry($3); } | |
407 | | assignment end | |
408 | ; | |
409 | ||
1418c83b SC |
410 | file_NAME_list: |
411 | NAME | |
412 | { lang_add_wild($1, current_file); } | |
413 | | file_NAME_list opt_comma NAME | |
414 | { lang_add_wild($3, current_file); } | |
415 | ; | |
416 | ||
417 | input_section_spec: | |
418 | NAME | |
419 | { | |
420 | lang_add_wild((char *)NULL, $1); | |
421 | } | |
422 | | '[' | |
423 | { | |
424 | current_file = (char *)NULL; | |
425 | } | |
426 | file_NAME_list | |
427 | ']' | |
428 | | NAME | |
429 | { | |
430 | current_file =$1; | |
431 | } | |
432 | '(' file_NAME_list ')' | |
433 | | '*' | |
434 | { | |
435 | current_file = (char *)NULL; | |
436 | } | |
437 | '(' file_NAME_list ')' | |
438 | ; | |
439 | ||
2fa0b342 DHW |
440 | statement: |
441 | statement assignment end | |
442 | | statement CREATE_OBJECT_SYMBOLS | |
13a0e8d7 SC |
443 | { |
444 | lang_add_attribute(lang_object_symbols_statement_enum); } | |
f177a611 JG |
445 | | statement ';' |
446 | | statement CONSTRUCTORS | |
447 | { | |
448 | lang_add_attribute(lang_constructors_statement_enum); } | |
13a0e8d7 | 449 | |
2fa0b342 | 450 | | statement input_section_spec |
6812f0e8 | 451 | | statement length '(' exp ')' |
2fa0b342 DHW |
452 | { |
453 | lang_add_data($2,$4); | |
454 | } | |
455 | ||
6812f0e8 | 456 | | statement FILL '(' exp ')' |
2fa0b342 DHW |
457 | { |
458 | lang_add_fill | |
459 | (exp_get_value_int($4, | |
460 | 0, | |
461 | "fill value", | |
462 | lang_first_phase_enum)); | |
463 | } | |
464 | | | |
465 | ; | |
466 | ||
467 | length: | |
468 | LONG | |
469 | { $$ = $1; } | |
470 | | SHORT | |
471 | { $$ = $1; } | |
472 | | BYTE | |
473 | { $$ = $1; } | |
474 | ; | |
475 | ||
476 | fill_opt: | |
6812f0e8 | 477 | '=' exp |
2fa0b342 DHW |
478 | { |
479 | $$ = exp_get_value_int($2, | |
480 | 0, | |
481 | "fill value", | |
482 | lang_first_phase_enum); | |
483 | } | |
484 | | { $$ = 0; } | |
485 | ; | |
486 | ||
487 | ||
488 | ||
489 | assign_op: | |
490 | PLUSEQ | |
491 | { $$ = '+'; } | |
492 | | MINUSEQ | |
493 | { $$ = '-'; } | |
494 | | MULTEQ | |
495 | { $$ = '*'; } | |
496 | | DIVEQ | |
497 | { $$ = '/'; } | |
498 | | LSHIFTEQ | |
499 | { $$ = LSHIFT; } | |
500 | | RSHIFTEQ | |
501 | { $$ = RSHIFT; } | |
502 | | ANDEQ | |
503 | { $$ = '&'; } | |
504 | | OREQ | |
505 | { $$ = '|'; } | |
506 | ||
507 | ; | |
508 | ||
509 | end: ';' | ',' | |
510 | ; | |
511 | ||
2fa0b342 DHW |
512 | |
513 | assignment: | |
6812f0e8 | 514 | NAME '=' exp |
2fa0b342 DHW |
515 | { |
516 | lang_add_assignment(exp_assop($2,$1,$3)); | |
517 | } | |
6812f0e8 | 518 | | NAME assign_op exp |
2fa0b342 DHW |
519 | { |
520 | lang_add_assignment(exp_assop('=',$1,exp_binop($2,exp_nameop(NAME,$1),$3))); | |
521 | } | |
522 | ||
523 | ; | |
524 | ||
525 | ||
526 | opt_comma: | |
527 | ',' | ; | |
528 | ||
529 | ||
530 | memory: | |
531 | MEMORY '{' memory_spec memory_spec_list '}' | |
532 | ; | |
533 | ||
534 | memory_spec_list: | |
535 | memory_spec_list memory_spec | |
536 | | memory_spec_list ',' memory_spec | |
537 | | | |
538 | ; | |
539 | ||
540 | ||
541 | memory_spec: | |
542 | NAME | |
543 | { region = lang_memory_region_lookup($1); } | |
544 | attributes_opt ':' origin_spec opt_comma length_spec | |
545 | ||
546 | { | |
547 | ||
548 | ||
549 | } | |
550 | ; | |
551 | origin_spec: | |
552 | ORIGIN '=' exp | |
553 | { region->current = | |
554 | region->origin = | |
555 | exp_get_vma($3, 0L,"origin", lang_first_phase_enum); } | |
556 | ; | |
557 | length_spec: | |
558 | LENGTH '=' exp | |
559 | { region->length = exp_get_vma($3, | |
560 | ~((bfd_vma)0), | |
561 | "length", | |
562 | lang_first_phase_enum); | |
563 | } | |
564 | ||
565 | ||
566 | attributes_opt: | |
567 | '(' NAME ')' | |
568 | { | |
569 | lang_set_flags(®ion->flags, $2); | |
570 | } | |
571 | | | |
572 | ||
573 | ; | |
574 | ||
575 | startup: | |
576 | STARTUP '(' filename ')' | |
577 | { lang_startup($3); } | |
578 | ; | |
579 | ||
580 | high_level_library: | |
581 | HLL '(' high_level_library_NAME_list ')' | |
582 | | HLL '(' ')' | |
583 | { ldemul_hll((char *)NULL); } | |
584 | ; | |
585 | ||
586 | high_level_library_NAME_list: | |
587 | high_level_library_NAME_list opt_comma filename | |
588 | { ldemul_hll($3); } | |
589 | | filename | |
590 | { ldemul_hll($1); } | |
591 | ||
592 | ; | |
593 | ||
594 | low_level_library: | |
595 | SYSLIB '(' low_level_library_NAME_list ')' | |
596 | ; | |
597 | low_level_library_NAME_list: | |
598 | low_level_library_NAME_list opt_comma filename | |
599 | { ldemul_syslib($3); } | |
600 | | | |
601 | ; | |
602 | ||
603 | floating_point_support: | |
604 | FLOAT | |
605 | { lang_float(true); } | |
606 | | NOFLOAT | |
607 | { lang_float(false); } | |
608 | ; | |
609 | ||
610 | ||
611 | ||
612 | ||
613 | exp : | |
614 | '-' exp %prec UNARY | |
615 | { $$ = exp_unop('-', $2); } | |
616 | | '(' exp ')' | |
617 | { $$ = $2; } | |
618 | | NEXT '(' exp ')' %prec UNARY | |
619 | { $$ = exp_unop($1,$3); } | |
620 | | '!' exp %prec UNARY | |
621 | { $$ = exp_unop('!', $2); } | |
622 | | '+' exp %prec UNARY | |
623 | { $$ = $2; } | |
624 | | '~' exp %prec UNARY | |
625 | { $$ = exp_unop('~', $2);} | |
626 | ||
627 | | exp '*' exp | |
628 | { $$ = exp_binop('*', $1, $3); } | |
629 | | exp '/' exp | |
630 | { $$ = exp_binop('/', $1, $3); } | |
631 | | exp '%' exp | |
632 | { $$ = exp_binop('%', $1, $3); } | |
633 | | exp '+' exp | |
634 | { $$ = exp_binop('+', $1, $3); } | |
635 | | exp '-' exp | |
636 | { $$ = exp_binop('-' , $1, $3); } | |
637 | | exp LSHIFT exp | |
638 | { $$ = exp_binop(LSHIFT , $1, $3); } | |
639 | | exp RSHIFT exp | |
640 | { $$ = exp_binop(RSHIFT , $1, $3); } | |
641 | | exp EQ exp | |
642 | { $$ = exp_binop(EQ , $1, $3); } | |
643 | | exp NE exp | |
644 | { $$ = exp_binop(NE , $1, $3); } | |
645 | | exp LE exp | |
646 | { $$ = exp_binop(LE , $1, $3); } | |
647 | | exp GE exp | |
648 | { $$ = exp_binop(GE , $1, $3); } | |
649 | | exp '<' exp | |
650 | { $$ = exp_binop('<' , $1, $3); } | |
651 | | exp '>' exp | |
652 | { $$ = exp_binop('>' , $1, $3); } | |
653 | | exp '&' exp | |
654 | { $$ = exp_binop('&' , $1, $3); } | |
655 | | exp '^' exp | |
656 | { $$ = exp_binop('^' , $1, $3); } | |
657 | | exp '|' exp | |
658 | { $$ = exp_binop('|' , $1, $3); } | |
659 | | exp '?' exp ':' exp | |
660 | { $$ = exp_trinop('?' , $1, $3, $5); } | |
661 | | exp ANDAND exp | |
662 | { $$ = exp_binop(ANDAND , $1, $3); } | |
663 | | exp OROR exp | |
664 | { $$ = exp_binop(OROR , $1, $3); } | |
665 | | DEFINED '(' NAME ')' | |
666 | { $$ = exp_nameop(DEFINED, $3); } | |
667 | | INT | |
668 | { $$ = exp_intop($1); } | |
65c552e3 SC |
669 | | SIZEOF_HEADERS |
670 | { $$ = exp_nameop(SIZEOF_HEADERS,0); } | |
2fa0b342 DHW |
671 | |
672 | | SIZEOF '(' NAME ')' | |
f177a611 | 673 | { $$ = exp_nameop(SIZEOF,$3); } |
2fa0b342 | 674 | | ADDR '(' NAME ')' |
f177a611 | 675 | { $$ = exp_nameop(ADDR,$3); } |
2fa0b342 | 676 | | ALIGN_K '(' exp ')' |
f177a611 | 677 | { $$ = exp_unop(ALIGN_K,$3); } |
2fa0b342 DHW |
678 | | NAME |
679 | { $$ = exp_nameop(NAME,$1); } | |
680 | ; | |
681 | ||
682 | ||
683 | ||
684 | ||
f177a611 | 685 | section: NAME opt_exp opt_type opt_block ':' opt_things'{' |
2fa0b342 | 686 | { |
f177a611 | 687 | lang_enter_output_section_statement($1,$2,$3,$4); |
2fa0b342 DHW |
688 | } |
689 | statement '}' fill_opt memspec_opt | |
690 | { | |
f177a611 | 691 | lang_leave_output_section_statement($11, $12); |
2fa0b342 DHW |
692 | } |
693 | ||
694 | ; | |
695 | ||
f177a611 JG |
696 | opt_type: |
697 | '(' NOLOAD ')' { $$ = SEC_NO_FLAGS; } | |
698 | | '(' DSECT ')' { $$ = 0; } | |
699 | | '(' COPY ')' { $$ = 0; } | |
700 | | '(' INFO ')' { $$ = 0; } | |
701 | | '(' OVERLAY ')' { $$ = 0; } | |
702 | | { $$ = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS; } | |
703 | ; | |
704 | ||
2fa0b342 DHW |
705 | opt_things: |
706 | { | |
707 | ||
708 | } | |
709 | ; | |
710 | ||
6812f0e8 SC |
711 | |
712 | ||
713 | ||
2fa0b342 DHW |
714 | |
715 | opt_exp: | |
6812f0e8 | 716 | exp |
2fa0b342 DHW |
717 | { $$ = $1; } |
718 | | { $$= (etree_type *)NULL; } | |
719 | ; | |
720 | ||
721 | opt_block: | |
6812f0e8 | 722 | BLOCK '(' exp ')' |
2fa0b342 DHW |
723 | { $$ = exp_get_value_int($3, |
724 | 1L, | |
725 | "block", | |
726 | lang_first_phase_enum); | |
727 | } | |
728 | | { $$ = 1; } | |
729 | ; | |
730 | ||
731 | memspec_opt: | |
732 | '>' NAME | |
733 | { $$ = $2; } | |
734 | | { $$ = "*default*"; } | |
735 | ; | |
736 |