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" | |
3d2b83ea | 37 | #include "mri.h" |
f177a611 | 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 | 46 | boolean hex_mode; |
dadd414a | 47 | static int typebits; |
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); | |
dadd414a | 61 | void lang_enter_output_section_statement(char *output_section_statement_name, etree_type *address_exp, int flags, bfd_vma block_value,etree_type*,etree_type*); |
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 | ||
3d2b83ea SC |
81 | #define ERROR_NAME_MAX 20 |
82 | static char *error_names[ERROR_NAME_MAX]; | |
83 | static int error_index; | |
84 | #define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++; | |
85 | #define POP_ERROR() error_index--; | |
2fa0b342 DHW |
86 | %} |
87 | %union { | |
88 | bfd_vma integer; | |
89 | int voidval; | |
90 | char *name; | |
91 | int token; | |
92 | union etree_union *etree; | |
76971f0d | 93 | struct sec *section; |
2fa0b342 DHW |
94 | struct lang_output_section_statement_struct *output_section_statement; |
95 | union lang_statement_union **statement_ptr; | |
96 | int lineno; | |
97 | struct { | |
98 | FILE *file; | |
99 | char *name; | |
100 | unsigned int lineno; | |
101 | } state; | |
102 | ||
103 | ||
104 | } | |
105 | ||
dadd414a SC |
106 | %type <etree> exp opt_exp_with_type mustbe_exp |
107 | %type <integer> fill_opt | |
2fa0b342 | 108 | %type <name> memspec_opt |
6812f0e8 | 109 | %token <integer> INT |
2fa0b342 DHW |
110 | %token <name> NAME |
111 | %type <integer> length | |
112 | ||
a37cc0c0 | 113 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ |
2fa0b342 DHW |
114 | %right <token> '?' ':' |
115 | %left <token> OROR | |
116 | %left <token> ANDAND | |
117 | %left <token> '|' | |
118 | %left <token> '^' | |
119 | %left <token> '&' | |
120 | %left <token> EQ NE | |
121 | %left <token> '<' '>' LE GE | |
122 | %left <token> LSHIFT RSHIFT | |
6812f0e8 | 123 | |
2fa0b342 DHW |
124 | %left <token> '+' '-' |
125 | %left <token> '*' '/' '%' | |
6812f0e8 SC |
126 | |
127 | /*%token <token> '+' '-' '*' '/' '%'*/ | |
2fa0b342 | 128 | %right UNARY |
2e38b71d | 129 | %token END |
2fa0b342 DHW |
130 | %left <token> '(' |
131 | %token <token> ALIGN_K BLOCK LONG SHORT BYTE | |
132 | %token SECTIONS | |
133 | %token '{' '}' | |
6812f0e8 SC |
134 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH |
135 | %token SIZEOF_HEADERS | |
dadd414a | 136 | %token INCLUDE |
e14a43bf | 137 | %token MEMORY DEFSYMEND |
f177a611 | 138 | %token NOLOAD DSECT COPY INFO OVERLAY |
2fa0b342 | 139 | %token NAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY |
b6316534 | 140 | %token OPTION_e OPTION_c OPTION_noinhibit_exec OPTION_s OPTION_S OPTION_sort_common |
f177a611 | 141 | %token OPTION_format OPTION_F OPTION_u OPTION_Bstatic OPTION_N |
6812f0e8 | 142 | %token <integer> SIZEOF NEXT ADDR |
a37cc0c0 | 143 | %token OPTION_d OPTION_dc OPTION_dp OPTION_x OPTION_X OPTION_defsym |
2e2bf962 SC |
144 | %token OPTION_v OPTION_V OPTION_M OPTION_t STARTUP HLL SYSLIB FLOAT NOFLOAT |
145 | %token OPTION_Map | |
c611e285 | 146 | %token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_R OPTION_relax |
dadd414a SC |
147 | %token <name> OPTION_l OPTION_L OPTION_T OPTION_Aarch OPTION_Tfile OPTION_Texp |
148 | %token <name> OPTION_y | |
2fa0b342 DHW |
149 | %token OPTION_Ur |
150 | %token ORIGIN FILL OPTION_g | |
dadd414a SC |
151 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT OUTPUT CONSTRUCTORS |
152 | %token OPTION_RETAIN_SYMBOLS_FILE ALIGNMOD | |
153 | ||
6812f0e8 SC |
154 | %type <token> assign_op |
155 | ||
2fa0b342 DHW |
156 | %type <name> filename |
157 | ||
3d2b83ea | 158 | |
e14a43bf | 159 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD |
dadd414a | 160 | %token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE |
3d2b83ea | 161 | |
2fa0b342 DHW |
162 | %{ |
163 | ld_config_type config; | |
164 | %} | |
165 | ||
166 | %% | |
167 | ||
2fa0b342 DHW |
168 | file: command_line { lang_final(); }; |
169 | ||
9d1fe8a4 SC |
170 | |
171 | filename: NAME; | |
2fa0b342 | 172 | |
76971f0d | 173 | |
2fa0b342 DHW |
174 | command_line: |
175 | command_line command_line_option | |
176 | | | |
177 | ; | |
178 | ||
179 | command_line_option: | |
9d1fe8a4 | 180 | OPTION_Bstatic { } |
1418c83b | 181 | | OPTION_v |
2fa0b342 | 182 | { |
76971f0d | 183 | ldversion(0); |
2fa0b342 DHW |
184 | option_v = true; |
185 | } | |
c611e285 SC |
186 | | OPTION_V |
187 | { | |
76971f0d | 188 | ldversion(1); |
c611e285 SC |
189 | option_v = true; |
190 | } | |
2fa0b342 DHW |
191 | | OPTION_t { |
192 | trace_files = true; | |
193 | } | |
2e2bf962 SC |
194 | | OPTION_Map NAME |
195 | { | |
196 | write_map = true; | |
197 | config.map_filename = $2; | |
198 | } | |
2fa0b342 | 199 | | OPTION_M { |
870f54b2 | 200 | config.map_filename = "-"; |
3d2b83ea | 201 | |
2fa0b342 DHW |
202 | } |
203 | | OPTION_n { | |
204 | config.magic_demand_paged = false; | |
2fa0b342 | 205 | } |
f177a611 | 206 | | OPTION_N { |
c611e285 | 207 | config.text_read_only = false; |
f177a611 JG |
208 | config.magic_demand_paged = false; |
209 | } | |
2fa0b342 DHW |
210 | | OPTION_s { |
211 | strip_symbols = STRIP_ALL; | |
212 | } | |
213 | | OPTION_S { | |
214 | strip_symbols = STRIP_DEBUGGER; | |
215 | } | |
1418c83b SC |
216 | | OPTION_u NAME { |
217 | ldlang_add_undef($2); | |
218 | } | |
219 | ||
2fa0b342 DHW |
220 | | OPTION_r { |
221 | config.relocateable_output = true; | |
222 | config.build_constructors = false; | |
223 | config.magic_demand_paged = false; | |
c611e285 | 224 | config.text_read_only = false; |
2fa0b342 DHW |
225 | } |
226 | | OPTION_Ur { | |
227 | config.relocateable_output = true; | |
228 | config.build_constructors = true; | |
229 | config.magic_demand_paged = false; | |
c611e285 | 230 | config.text_read_only = false; |
2fa0b342 DHW |
231 | } |
232 | | OPTION_o filename | |
233 | { | |
234 | lang_add_output($2); | |
235 | } | |
236 | | OPTION_e NAME | |
237 | { lang_add_entry($2); | |
238 | } | |
239 | | OPTION_X { | |
240 | discard_locals = DISCARD_L; | |
241 | } | |
242 | | OPTION_x { | |
243 | discard_locals = DISCARD_ALL; | |
244 | } | |
245 | ||
246 | | OPTION_noinhibit_exec | |
247 | { | |
248 | force_make_executable = true; | |
249 | } | |
b6316534 SC |
250 | | OPTION_sort_common { |
251 | config.sort_common = true; | |
252 | } | |
1418c83b | 253 | | OPTION_d { |
2fa0b342 DHW |
254 | command_line.force_common_definition = true; |
255 | } | |
c611e285 SC |
256 | |
257 | | OPTION_relax { | |
258 | command_line.relax = true; | |
259 | } | |
1418c83b | 260 | | OPTION_dc |
2fa0b342 DHW |
261 | { |
262 | command_line.force_common_definition = true; | |
263 | } | |
264 | | OPTION_g | |
265 | { | |
266 | /* Ignored */ | |
267 | } | |
1418c83b | 268 | | OPTION_dp |
2fa0b342 DHW |
269 | { |
270 | command_line.force_common_definition = true; | |
271 | } | |
1418c83b | 272 | | OPTION_format NAME |
7ca04d28 SC |
273 | { |
274 | lang_add_target($2); | |
275 | } | |
de7c1ff6 | 276 | | OPTION_Texp |
e14a43bf | 277 | { ldlex_expression(); |
9d1fe8a4 | 278 | hex_mode = 16; |
1418c83b SC |
279 | } |
280 | INT | |
e14a43bf | 281 | { ldlex_popstate(); |
1418c83b | 282 | lang_section_start($1,exp_intop($3)); |
9d1fe8a4 | 283 | hex_mode = 0; |
1418c83b | 284 | } |
dadd414a SC |
285 | | OPTION_y |
286 | { | |
287 | add_ysym($1); | |
288 | } | |
7ca04d28 | 289 | | OPTION_Aarch |
1418c83b SC |
290 | { |
291 | ldfile_add_arch($1); | |
292 | } | |
7ca04d28 | 293 | | OPTION_b NAME |
2fa0b342 DHW |
294 | { |
295 | lang_add_target($2); | |
296 | } | |
297 | | OPTION_L | |
298 | { | |
299 | ldfile_add_library_path($1); | |
1418c83b | 300 | } |
7ca04d28 SC |
301 | | OPTION_F |
302 | { | |
303 | /* Ignore */ | |
304 | } | |
1418c83b SC |
305 | | NAME |
306 | { lang_add_input_file($1,lang_input_file_is_file_enum, | |
307 | (char *)NULL); } | |
f177a611 | 308 | | OPTION_c filename |
ae475b39 | 309 | { ldfile_open_command_file($2); } mri_script_file END { ldlex_command();} |
9d1fe8a4 | 310 | |
1418c83b SC |
311 | | OPTION_Tfile |
312 | { ldfile_open_command_file($1); } script_file | |
3d2b83ea | 313 | END { ldlex_command();} |
2fa0b342 | 314 | |
1418c83b SC |
315 | | OPTION_T filename |
316 | { ldfile_open_command_file($2); } script_file | |
dadd414a | 317 | END { ldlex_command();} |
2fa0b342 DHW |
318 | |
319 | | OPTION_l | |
320 | { | |
321 | lang_add_input_file($1, | |
322 | lang_input_file_is_l_enum, | |
323 | (char *)NULL); | |
324 | } | |
1418c83b | 325 | | OPTION_R filename |
2fa0b342 DHW |
326 | { |
327 | lang_add_input_file($2, | |
328 | lang_input_file_is_symbols_only_enum, | |
329 | (char *)NULL); | |
330 | } | |
e14a43bf SC |
331 | |
332 | | OPTION_defsym { ldlex_defsym(); } | |
333 | NAME '=' exp DEFSYMEND { ldlex_popstate(); | |
1d45ccb3 | 334 | lang_add_assignment(exp_assop($4,$3,$5)); |
dadd414a SC |
335 | } |
336 | | OPTION_RETAIN_SYMBOLS_FILE filename | |
337 | { lang_add_keepsyms_file ($2); } | |
1418c83b | 338 | | '-' NAME |
ae475b39 | 339 | { info("%P%F Unrecognized option -%s\n", $2); } |
7ca04d28 | 340 | |
9d1fe8a4 | 341 | | '{' script_file '}' |
2fa0b342 DHW |
342 | ; |
343 | ||
344 | ||
3d2b83ea SC |
345 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
346 | mri_script_file: | |
347 | { ldlex_mri_script(); | |
348 | PUSH_ERROR("MRI style script"); | |
349 | } | |
350 | mri_script_lines | |
351 | { ldlex_popstate(); | |
352 | POP_ERROR(); | |
353 | } | |
354 | ; | |
2fa0b342 | 355 | |
3d2b83ea | 356 | mri_script_lines: |
2e38b71d SC |
357 | mri_script_lines mri_script_command NEWLINE |
358 | | | |
3d2b83ea | 359 | ; |
2fa0b342 | 360 | |
2e38b71d | 361 | mri_script_command: |
3d2b83ea SC |
362 | CHIP exp |
363 | | CHIP exp ',' exp | |
364 | | NAME { | |
2e38b71d | 365 | einfo("%P%F: unrecognised keyword in MRI style script '%s'\n",$1); |
3d2b83ea SC |
366 | } |
367 | | LIST { | |
368 | write_map = true; | |
369 | config.map_filename = "-"; | |
370 | } | |
2e38b71d SC |
371 | | ORDER ordernamelist |
372 | | ENDWORD | |
e14a43bf SC |
373 | | PUBLIC NAME '=' exp |
374 | { mri_public($2, $4); } | |
375 | | PUBLIC NAME ',' exp | |
376 | { mri_public($2, $4); } | |
377 | | PUBLIC NAME exp | |
378 | { mri_public($2, $3); } | |
2e38b71d SC |
379 | | FORMAT NAME |
380 | { mri_format($2); } | |
381 | | SECT NAME ',' exp | |
3d2b83ea SC |
382 | { mri_output_section($2, $4);} |
383 | | SECT NAME exp | |
384 | { mri_output_section($2, $3);} | |
385 | | SECT NAME '=' exp | |
386 | { mri_output_section($2, $4);} | |
dadd414a SC |
387 | | ALIGN_K NAME '=' exp |
388 | { mri_align($2,$4); } | |
389 | | ALIGNMOD NAME '=' exp | |
390 | { mri_alignmod($2,$4); } | |
3d2b83ea SC |
391 | | ABSOLUTE mri_abs_name_list |
392 | | LOAD mri_load_name_list | |
2e38b71d SC |
393 | | NAMEWORD NAME |
394 | { mri_name($2); } | |
e14a43bf SC |
395 | | ALIAS NAME ',' NAME |
396 | { mri_alias($2,$4,0);} | |
397 | | ALIAS NAME ',' INT | |
398 | { mri_alias($2,0,$4);} | |
399 | | BASE exp | |
400 | { mri_base($2); } | |
dadd414a SC |
401 | | TRUNCATE INT |
402 | { mri_truncate($2); } | |
2e38b71d SC |
403 | | |
404 | ; | |
405 | ||
406 | ordernamelist: | |
407 | ordernamelist ',' NAME { mri_order($3); } | |
408 | | ordernamelist NAME { mri_order($2); } | |
409 | | | |
3d2b83ea | 410 | ; |
2fa0b342 | 411 | |
3d2b83ea SC |
412 | mri_load_name_list: |
413 | NAME | |
414 | { mri_load($1); } | |
415 | | mri_load_name_list ',' NAME { mri_load($3); } | |
416 | ; | |
1418c83b | 417 | |
3d2b83ea SC |
418 | mri_abs_name_list: |
419 | NAME | |
420 | { mri_only_load($1); } | |
421 | | mri_abs_name_list ',' NAME | |
422 | { mri_only_load($3); } | |
423 | ; | |
1418c83b | 424 | |
3d2b83ea | 425 | script_file: |
9d1fe8a4 SC |
426 | { |
427 | ldlex_both(); | |
428 | } | |
3d2b83ea | 429 | ifile_list |
9d1fe8a4 SC |
430 | { |
431 | ldlex_popstate(); | |
432 | } | |
1418c83b SC |
433 | ; |
434 | ||
435 | ||
436 | ifile_list: | |
3d2b83ea | 437 | ifile_list ifile_p1 |
13a0e8d7 | 438 | | |
2fa0b342 DHW |
439 | ; |
440 | ||
441 | ||
442 | ||
443 | ifile_p1: | |
444 | memory | |
445 | | sections | |
446 | | startup | |
447 | | high_level_library | |
448 | | low_level_library | |
449 | | floating_point_support | |
ac004870 | 450 | | statement_anywhere |
9d1fe8a4 | 451 | | ';' |
2fa0b342 DHW |
452 | | TARGET_K '(' NAME ')' |
453 | { lang_add_target($3); } | |
454 | | SEARCH_DIR '(' filename ')' | |
455 | { ldfile_add_library_path($3); } | |
456 | | OUTPUT '(' filename ')' | |
457 | { lang_add_output($3); } | |
3d2b83ea | 458 | | OUTPUT_FORMAT '(' NAME ')' |
13a0e8d7 | 459 | { lang_add_output_format($3); } |
3d2b83ea | 460 | | OUTPUT_ARCH '(' NAME ')' |
a37cc0c0 | 461 | { ldfile_set_output_arch($3); } |
13a0e8d7 SC |
462 | | FORCE_COMMON_ALLOCATION |
463 | { command_line.force_common_definition = true ; } | |
2fa0b342 DHW |
464 | | INPUT '(' input_list ')' |
465 | | MAP '(' filename ')' | |
466 | { lang_add_map($3); } | |
dadd414a SC |
467 | | INCLUDE filename |
468 | { ldfile_open_command_file($2); } ifile_list END | |
2fa0b342 DHW |
469 | ; |
470 | ||
471 | input_list: | |
472 | NAME | |
473 | { lang_add_input_file($1,lang_input_file_is_file_enum, | |
474 | (char *)NULL); } | |
475 | | input_list ',' NAME | |
476 | { lang_add_input_file($3,lang_input_file_is_file_enum, | |
477 | (char *)NULL); } | |
3d2b83ea SC |
478 | | input_list NAME |
479 | { lang_add_input_file($2, | |
480 | lang_input_file_is_file_enum, | |
2fa0b342 DHW |
481 | (char *)NULL); } |
482 | ; | |
483 | ||
484 | sections: | |
3d2b83ea | 485 | SECTIONS '{' sec_or_group_p1 '}' |
2fa0b342 DHW |
486 | ; |
487 | ||
488 | sec_or_group_p1: | |
489 | sec_or_group_p1 section | |
490 | | sec_or_group_p1 statement_anywhere | |
491 | | | |
492 | ; | |
493 | ||
494 | statement_anywhere: | |
495 | ENTRY '(' NAME ')' | |
496 | { lang_add_entry($3); } | |
497 | | assignment end | |
498 | ; | |
499 | ||
1418c83b SC |
500 | file_NAME_list: |
501 | NAME | |
502 | { lang_add_wild($1, current_file); } | |
3d2b83ea | 503 | | file_NAME_list opt_comma NAME |
1418c83b SC |
504 | { lang_add_wild($3, current_file); } |
505 | ; | |
506 | ||
507 | input_section_spec: | |
508 | NAME | |
509 | { | |
510 | lang_add_wild((char *)NULL, $1); | |
511 | } | |
3d2b83ea | 512 | | '[' |
1418c83b SC |
513 | { |
514 | current_file = (char *)NULL; | |
515 | } | |
3d2b83ea SC |
516 | file_NAME_list |
517 | ']' | |
1418c83b SC |
518 | | NAME |
519 | { | |
3d2b83ea SC |
520 | current_file =$1; |
521 | } | |
1418c83b | 522 | '(' file_NAME_list ')' |
3d2b83ea SC |
523 | | '*' |
524 | { | |
1418c83b | 525 | current_file = (char *)NULL; |
3d2b83ea | 526 | } |
1418c83b SC |
527 | '(' file_NAME_list ')' |
528 | ; | |
529 | ||
2fa0b342 DHW |
530 | statement: |
531 | statement assignment end | |
532 | | statement CREATE_OBJECT_SYMBOLS | |
13a0e8d7 | 533 | { |
3d2b83ea SC |
534 | |
535 | lang_add_attribute(lang_object_symbols_statement_enum); } | |
9d1fe8a4 | 536 | | statement ';' |
f177a611 JG |
537 | | statement CONSTRUCTORS |
538 | { | |
3d2b83ea SC |
539 | |
540 | lang_add_attribute(lang_constructors_statement_enum); } | |
13a0e8d7 | 541 | |
2fa0b342 | 542 | | statement input_section_spec |
3d2b83ea | 543 | | statement length '(' exp ')' |
2fa0b342 DHW |
544 | { |
545 | lang_add_data($2,$4); | |
546 | } | |
547 | ||
6812f0e8 | 548 | | statement FILL '(' exp ')' |
2fa0b342 DHW |
549 | { |
550 | lang_add_fill | |
551 | (exp_get_value_int($4, | |
552 | 0, | |
553 | "fill value", | |
3d2b83ea SC |
554 | |
555 | lang_first_phase_enum)); | |
2fa0b342 DHW |
556 | } |
557 | | | |
558 | ; | |
559 | ||
560 | length: | |
3d2b83ea | 561 | LONG |
2fa0b342 | 562 | { $$ = $1; } |
3d2b83ea | 563 | | SHORT |
2fa0b342 | 564 | { $$ = $1; } |
3d2b83ea | 565 | | BYTE |
2fa0b342 DHW |
566 | { $$ = $1; } |
567 | ; | |
568 | ||
569 | fill_opt: | |
9d1fe8a4 | 570 | '=' mustbe_exp |
2fa0b342 DHW |
571 | { |
572 | $$ = exp_get_value_int($2, | |
573 | 0, | |
574 | "fill value", | |
3d2b83ea | 575 | lang_first_phase_enum); |
2fa0b342 | 576 | } |
3d2b83ea | 577 | | { $$ = 0; } |
2fa0b342 DHW |
578 | ; |
579 | ||
580 | ||
581 | ||
582 | assign_op: | |
583 | PLUSEQ | |
584 | { $$ = '+'; } | |
3d2b83ea | 585 | | MINUSEQ |
2fa0b342 DHW |
586 | { $$ = '-'; } |
587 | | MULTEQ | |
588 | { $$ = '*'; } | |
589 | | DIVEQ | |
590 | { $$ = '/'; } | |
591 | | LSHIFTEQ | |
592 | { $$ = LSHIFT; } | |
593 | | RSHIFTEQ | |
594 | { $$ = RSHIFT; } | |
595 | | ANDEQ | |
596 | { $$ = '&'; } | |
597 | | OREQ | |
598 | { $$ = '|'; } | |
599 | ||
600 | ; | |
601 | ||
9d1fe8a4 | 602 | end: ';' | ',' |
2fa0b342 DHW |
603 | ; |
604 | ||
2fa0b342 DHW |
605 | |
606 | assignment: | |
3d2b83ea | 607 | NAME '=' mustbe_exp |
2fa0b342 DHW |
608 | { |
609 | lang_add_assignment(exp_assop($2,$1,$3)); | |
610 | } | |
3d2b83ea | 611 | | NAME assign_op mustbe_exp |
2fa0b342 | 612 | { |
3d2b83ea SC |
613 | |
614 | lang_add_assignment(exp_assop('=',$1,exp_binop($2,exp_nameop(NAME,$1),$3))); | |
2fa0b342 DHW |
615 | } |
616 | ||
617 | ; | |
618 | ||
619 | ||
620 | opt_comma: | |
621 | ',' | ; | |
622 | ||
623 | ||
624 | memory: | |
3d2b83ea | 625 | MEMORY '{' memory_spec memory_spec_list '}' |
2fa0b342 DHW |
626 | ; |
627 | ||
628 | memory_spec_list: | |
3d2b83ea | 629 | memory_spec_list memory_spec |
2fa0b342 DHW |
630 | | memory_spec_list ',' memory_spec |
631 | | | |
632 | ; | |
633 | ||
634 | ||
3d2b83ea | 635 | memory_spec: NAME |
2fa0b342 | 636 | { region = lang_memory_region_lookup($1); } |
3d2b83ea | 637 | attributes_opt ':' |
9d1fe8a4 | 638 | origin_spec opt_comma length_spec |
2fa0b342 | 639 | |
3d2b83ea | 640 | ; origin_spec: |
9d1fe8a4 | 641 | ORIGIN '=' mustbe_exp |
2fa0b342 DHW |
642 | { region->current = |
643 | region->origin = | |
3d2b83ea SC |
644 | exp_get_vma($3, 0L,"origin", lang_first_phase_enum); |
645 | } | |
646 | ; length_spec: | |
647 | LENGTH '=' mustbe_exp | |
648 | { region->length = exp_get_vma($3, | |
2fa0b342 DHW |
649 | ~((bfd_vma)0), |
650 | "length", | |
651 | lang_first_phase_enum); | |
652 | } | |
653 | ||
654 | ||
655 | attributes_opt: | |
656 | '(' NAME ')' | |
657 | { | |
658 | lang_set_flags(®ion->flags, $2); | |
659 | } | |
660 | | | |
661 | ||
662 | ; | |
663 | ||
664 | startup: | |
665 | STARTUP '(' filename ')' | |
666 | { lang_startup($3); } | |
667 | ; | |
668 | ||
669 | high_level_library: | |
3d2b83ea SC |
670 | HLL '(' high_level_library_NAME_list ')' |
671 | | HLL '(' ')' | |
2fa0b342 DHW |
672 | { ldemul_hll((char *)NULL); } |
673 | ; | |
674 | ||
675 | high_level_library_NAME_list: | |
3d2b83ea | 676 | high_level_library_NAME_list opt_comma filename |
2fa0b342 DHW |
677 | { ldemul_hll($3); } |
678 | | filename | |
679 | { ldemul_hll($1); } | |
680 | ||
681 | ; | |
682 | ||
683 | low_level_library: | |
684 | SYSLIB '(' low_level_library_NAME_list ')' | |
3d2b83ea | 685 | ; low_level_library_NAME_list: |
2fa0b342 | 686 | low_level_library_NAME_list opt_comma filename |
3d2b83ea | 687 | { ldemul_syslib($3); } |
2fa0b342 DHW |
688 | | |
689 | ; | |
690 | ||
691 | floating_point_support: | |
692 | FLOAT | |
693 | { lang_float(true); } | |
694 | | NOFLOAT | |
3d2b83ea | 695 | { lang_float(false); } |
2fa0b342 DHW |
696 | ; |
697 | ||
698 | ||
3d2b83ea | 699 | mustbe_exp: { ldlex_expression(); } |
9d1fe8a4 SC |
700 | exp |
701 | { ldlex_popstate(); $$=$2;} | |
702 | ; | |
2fa0b342 DHW |
703 | |
704 | exp : | |
3d2b83ea | 705 | '-' exp %prec UNARY |
2fa0b342 | 706 | { $$ = exp_unop('-', $2); } |
9d1fe8a4 | 707 | | '(' exp ')' |
2fa0b342 DHW |
708 | { $$ = $2; } |
709 | | NEXT '(' exp ')' %prec UNARY | |
710 | { $$ = exp_unop($1,$3); } | |
3d2b83ea | 711 | | '!' exp %prec UNARY |
2fa0b342 | 712 | { $$ = exp_unop('!', $2); } |
3d2b83ea | 713 | | '+' exp %prec UNARY |
2fa0b342 | 714 | { $$ = $2; } |
3d2b83ea | 715 | | '~' exp %prec UNARY |
2fa0b342 DHW |
716 | { $$ = exp_unop('~', $2);} |
717 | ||
718 | | exp '*' exp | |
719 | { $$ = exp_binop('*', $1, $3); } | |
720 | | exp '/' exp | |
721 | { $$ = exp_binop('/', $1, $3); } | |
722 | | exp '%' exp | |
723 | { $$ = exp_binop('%', $1, $3); } | |
724 | | exp '+' exp | |
725 | { $$ = exp_binop('+', $1, $3); } | |
726 | | exp '-' exp | |
3d2b83ea | 727 | { $$ = exp_binop('-' , $1, $3); } |
2fa0b342 DHW |
728 | | exp LSHIFT exp |
729 | { $$ = exp_binop(LSHIFT , $1, $3); } | |
730 | | exp RSHIFT exp | |
731 | { $$ = exp_binop(RSHIFT , $1, $3); } | |
732 | | exp EQ exp | |
733 | { $$ = exp_binop(EQ , $1, $3); } | |
734 | | exp NE exp | |
735 | { $$ = exp_binop(NE , $1, $3); } | |
736 | | exp LE exp | |
737 | { $$ = exp_binop(LE , $1, $3); } | |
3d2b83ea | 738 | | exp GE exp |
2fa0b342 DHW |
739 | { $$ = exp_binop(GE , $1, $3); } |
740 | | exp '<' exp | |
741 | { $$ = exp_binop('<' , $1, $3); } | |
742 | | exp '>' exp | |
743 | { $$ = exp_binop('>' , $1, $3); } | |
744 | | exp '&' exp | |
745 | { $$ = exp_binop('&' , $1, $3); } | |
746 | | exp '^' exp | |
747 | { $$ = exp_binop('^' , $1, $3); } | |
748 | | exp '|' exp | |
749 | { $$ = exp_binop('|' , $1, $3); } | |
750 | | exp '?' exp ':' exp | |
751 | { $$ = exp_trinop('?' , $1, $3, $5); } | |
752 | | exp ANDAND exp | |
753 | { $$ = exp_binop(ANDAND , $1, $3); } | |
754 | | exp OROR exp | |
755 | { $$ = exp_binop(OROR , $1, $3); } | |
756 | | DEFINED '(' NAME ')' | |
757 | { $$ = exp_nameop(DEFINED, $3); } | |
758 | | INT | |
759 | { $$ = exp_intop($1); } | |
3d2b83ea | 760 | | SIZEOF_HEADERS |
65c552e3 | 761 | { $$ = exp_nameop(SIZEOF_HEADERS,0); } |
2fa0b342 | 762 | |
3d2b83ea | 763 | | SIZEOF '(' NAME ')' |
f177a611 | 764 | { $$ = exp_nameop(SIZEOF,$3); } |
2fa0b342 | 765 | | ADDR '(' NAME ')' |
f177a611 | 766 | { $$ = exp_nameop(ADDR,$3); } |
ae475b39 SC |
767 | | ABSOLUTE '(' exp ')' |
768 | { $$ = exp_unop(ABSOLUTE, $3); } | |
2fa0b342 | 769 | | ALIGN_K '(' exp ')' |
f177a611 | 770 | { $$ = exp_unop(ALIGN_K,$3); } |
2fa0b342 DHW |
771 | | NAME |
772 | { $$ = exp_nameop(NAME,$1); } | |
773 | ; | |
774 | ||
775 | ||
776 | ||
777 | ||
3d2b83ea | 778 | section: NAME { ldlex_expression(); } |
dadd414a SC |
779 | opt_exp_with_type { ldlex_popstate(); } |
780 | '{' | |
2fa0b342 | 781 | { |
dadd414a | 782 | lang_enter_output_section_statement($1,$3,typebits,0,0,0); |
2fa0b342 | 783 | } |
dadd414a SC |
784 | statement |
785 | '}' {ldlex_expression();} fill_opt memspec_opt | |
2fa0b342 | 786 | { |
e14a43bf | 787 | ldlex_popstate(); |
dadd414a | 788 | lang_leave_output_section_statement($10, $11); |
2fa0b342 | 789 | } |
e14a43bf | 790 | opt_comma |
2fa0b342 DHW |
791 | |
792 | ; | |
793 | ||
dadd414a SC |
794 | type: |
795 | NOLOAD { typebits = SEC_NEVER_LOAD; } | |
796 | | DSECT { typebits = 0; } | |
797 | | COPY { typebits = 0; } | |
798 | | INFO { typebits = 0; } | |
799 | | OVERLAY { typebits = 0; } | |
800 | | { typebits = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS; } | |
f177a611 JG |
801 | ; |
802 | ||
6812f0e8 | 803 | |
dadd414a SC |
804 | opt_exp_with_type: |
805 | exp ':' { $$ = $1; typebits =0;} | |
806 | | exp '(' type ')' ':' { $$ = $1; } | |
807 | | ':' { $$= (etree_type *)NULL; typebits = 0} | |
2fa0b342 DHW |
808 | ; |
809 | ||
2fa0b342 | 810 | memspec_opt: |
9d1fe8a4 | 811 | '>' NAME |
2fa0b342 DHW |
812 | { $$ = $2; } |
813 | | { $$ = "*default*"; } | |
814 | ; | |
3d2b83ea SC |
815 | %% |
816 | void | |
817 | yyerror(arg) | |
818 | char *arg; | |
819 | { | |
820 | if (error_index> 0 && error_index < ERROR_NAME_MAX) | |
821 | einfo("%P%F: %S syntax error in %s\n",error_names[error_index-1]); | |
822 | else | |
823 | einfo("%P%F: %S syntax error\n"); | |
824 | } |