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; |
8ddef552 | 46 | extern int g_switch_value; |
2fa0b342 | 47 | boolean hex_mode; |
dadd414a | 48 | static int typebits; |
d646b568 SC |
49 | strip_symbols_type strip_symbols=STRIP_NONE; |
50 | discard_locals_type discard_locals=DISCARD_NONE; | |
2fa0b342 DHW |
51 | |
52 | ||
53 | lang_memory_region_type *region; | |
54 | ||
55 | ||
56 | lang_memory_region_type *lang_memory_region_lookup(); | |
57 | lang_output_section_statement_type *lang_output_section_statement_lookup(); | |
9fce28ed | 58 | etree_type *lang_atin(); |
2fa0b342 DHW |
59 | #ifdef __STDC__ |
60 | ||
61 | void lang_add_data(int type, union etree_union *exp); | |
9fce28ed | 62 | 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*, etree_type*); |
2fa0b342 DHW |
63 | |
64 | #else | |
65 | ||
66 | void lang_add_data(); | |
67 | void lang_enter_output_section_statement(); | |
68 | ||
69 | #endif /* __STDC__ */ | |
70 | ||
71 | extern args_type command_line; | |
72 | char *current_file; | |
73 | boolean ldgram_want_filename = true; | |
74 | boolean had_script = false; | |
75 | boolean force_make_executable = false; | |
1d45ccb3 | 76 | |
1418c83b | 77 | boolean ldgram_in_script = false; |
1d45ccb3 | 78 | boolean ldgram_had_equals = false; |
2fa0b342 DHW |
79 | /* LOCALS */ |
80 | ||
81 | ||
3d2b83ea SC |
82 | #define ERROR_NAME_MAX 20 |
83 | static char *error_names[ERROR_NAME_MAX]; | |
84 | static int error_index; | |
85 | #define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++; | |
86 | #define POP_ERROR() error_index--; | |
2fa0b342 DHW |
87 | %} |
88 | %union { | |
89 | bfd_vma integer; | |
90 | int voidval; | |
91 | char *name; | |
92 | int token; | |
93 | union etree_union *etree; | |
8ddef552 | 94 | struct sec *section; |
2fa0b342 DHW |
95 | struct lang_output_section_statement_struct *output_section_statement; |
96 | union lang_statement_union **statement_ptr; | |
97 | int lineno; | |
98 | struct { | |
99 | FILE *file; | |
100 | char *name; | |
101 | unsigned int lineno; | |
102 | } state; | |
103 | ||
104 | ||
105 | } | |
106 | ||
9fce28ed | 107 | %type <etree> exp opt_exp_with_type mustbe_exp opt_at |
dadd414a | 108 | %type <integer> fill_opt |
2fa0b342 | 109 | %type <name> memspec_opt |
6812f0e8 | 110 | %token <integer> INT |
2fa0b342 DHW |
111 | %token <name> NAME |
112 | %type <integer> length | |
113 | ||
a37cc0c0 | 114 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ |
2fa0b342 DHW |
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 | |
6812f0e8 | 124 | |
2fa0b342 DHW |
125 | %left <token> '+' '-' |
126 | %left <token> '*' '/' '%' | |
6812f0e8 SC |
127 | |
128 | /*%token <token> '+' '-' '*' '/' '%'*/ | |
2fa0b342 | 129 | %right UNARY |
2e38b71d | 130 | %token END |
2fa0b342 DHW |
131 | %left <token> '(' |
132 | %token <token> ALIGN_K BLOCK LONG SHORT BYTE | |
133 | %token SECTIONS | |
134 | %token '{' '}' | |
6812f0e8 SC |
135 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH |
136 | %token SIZEOF_HEADERS | |
dadd414a | 137 | %token INCLUDE |
e14a43bf | 138 | %token MEMORY DEFSYMEND |
f177a611 | 139 | %token NOLOAD DSECT COPY INFO OVERLAY |
2fa0b342 | 140 | %token NAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY |
b6316534 | 141 | %token OPTION_e OPTION_c OPTION_noinhibit_exec OPTION_s OPTION_S OPTION_sort_common |
de87cdb4 DM |
142 | %token OPTION_EB OPTION_EL OPTION_G OPTION_Gval OPTION_help |
143 | %token OPTION_format OPTION_oformat OPTION_F OPTION_u OPTION_Bstatic OPTION_N | |
6812f0e8 | 144 | %token <integer> SIZEOF NEXT ADDR |
a37cc0c0 | 145 | %token OPTION_d OPTION_dc OPTION_dp OPTION_x OPTION_X OPTION_defsym |
8ddef552 | 146 | %token OPTION_v OPTION_V OPTION_m OPTION_memul OPTION_M OPTION_t STARTUP HLL SYSLIB FLOAT NOFLOAT |
2e2bf962 | 147 | %token OPTION_Map |
de87cdb4 | 148 | %token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_R OPTION_relax OPTION_version |
dadd414a SC |
149 | %token <name> OPTION_l OPTION_L OPTION_T OPTION_Aarch OPTION_Tfile OPTION_Texp |
150 | %token <name> OPTION_y | |
2fa0b342 DHW |
151 | %token OPTION_Ur |
152 | %token ORIGIN FILL OPTION_g | |
dadd414a | 153 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT OUTPUT CONSTRUCTORS |
9fce28ed | 154 | %token OPTION_RETAIN_SYMBOLS_FILE ALIGNMOD AT |
dadd414a | 155 | |
6812f0e8 SC |
156 | %type <token> assign_op |
157 | ||
2fa0b342 DHW |
158 | %type <name> filename |
159 | ||
3d2b83ea | 160 | |
e14a43bf | 161 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD |
dadd414a | 162 | %token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE |
3d2b83ea | 163 | |
2fa0b342 DHW |
164 | %{ |
165 | ld_config_type config; | |
166 | %} | |
167 | ||
168 | %% | |
169 | ||
2fa0b342 DHW |
170 | file: command_line { lang_final(); }; |
171 | ||
9d1fe8a4 SC |
172 | |
173 | filename: NAME; | |
2fa0b342 | 174 | |
76971f0d | 175 | |
2fa0b342 DHW |
176 | command_line: |
177 | command_line command_line_option | |
178 | | | |
179 | ; | |
180 | ||
181 | command_line_option: | |
9d1fe8a4 | 182 | OPTION_Bstatic { } |
de87cdb4 DM |
183 | | OPTION_help |
184 | { | |
185 | help (); | |
186 | exit (0); | |
187 | } | |
1418c83b | 188 | | OPTION_v |
2fa0b342 | 189 | { |
76971f0d | 190 | ldversion(0); |
2fa0b342 | 191 | } |
c611e285 SC |
192 | | OPTION_V |
193 | { | |
76971f0d | 194 | ldversion(1); |
c611e285 SC |
195 | option_v = true; |
196 | } | |
de87cdb4 DM |
197 | | OPTION_version |
198 | { | |
199 | ldversion(0); | |
200 | exit(0); | |
201 | } | |
2fa0b342 DHW |
202 | | OPTION_t { |
203 | trace_files = true; | |
204 | } | |
2e2bf962 SC |
205 | | OPTION_Map NAME |
206 | { | |
207 | write_map = true; | |
208 | config.map_filename = $2; | |
209 | } | |
8ddef552 DM |
210 | | OPTION_m NAME |
211 | { | |
212 | /* Ignore. */ | |
213 | } | |
214 | | OPTION_memul | |
215 | { | |
216 | /* Ignore. */ | |
217 | } | |
9fce28ed SC |
218 | | OPTION_M |
219 | { | |
220 | config.map_filename = "-"; | |
221 | } | |
2fa0b342 DHW |
222 | | OPTION_n { |
223 | config.magic_demand_paged = false; | |
2fa0b342 | 224 | } |
f177a611 | 225 | | OPTION_N { |
c611e285 | 226 | config.text_read_only = false; |
f177a611 JG |
227 | config.magic_demand_paged = false; |
228 | } | |
2fa0b342 DHW |
229 | | OPTION_s { |
230 | strip_symbols = STRIP_ALL; | |
231 | } | |
232 | | OPTION_S { | |
233 | strip_symbols = STRIP_DEBUGGER; | |
234 | } | |
1418c83b SC |
235 | | OPTION_u NAME { |
236 | ldlang_add_undef($2); | |
237 | } | |
238 | ||
2fa0b342 DHW |
239 | | OPTION_r { |
240 | config.relocateable_output = true; | |
241 | config.build_constructors = false; | |
242 | config.magic_demand_paged = false; | |
c611e285 | 243 | config.text_read_only = false; |
2fa0b342 DHW |
244 | } |
245 | | OPTION_Ur { | |
246 | config.relocateable_output = true; | |
247 | config.build_constructors = true; | |
248 | config.magic_demand_paged = false; | |
c611e285 | 249 | config.text_read_only = false; |
2fa0b342 DHW |
250 | } |
251 | | OPTION_o filename | |
252 | { | |
253 | lang_add_output($2); | |
254 | } | |
255 | | OPTION_e NAME | |
256 | { lang_add_entry($2); | |
257 | } | |
258 | | OPTION_X { | |
259 | discard_locals = DISCARD_L; | |
260 | } | |
261 | | OPTION_x { | |
262 | discard_locals = DISCARD_ALL; | |
263 | } | |
264 | ||
265 | | OPTION_noinhibit_exec | |
266 | { | |
267 | force_make_executable = true; | |
268 | } | |
de87cdb4 DM |
269 | | OPTION_sort_common |
270 | { | |
271 | config.sort_common = true; | |
272 | } | |
1418c83b | 273 | | OPTION_d { |
2fa0b342 DHW |
274 | command_line.force_common_definition = true; |
275 | } | |
c611e285 SC |
276 | |
277 | | OPTION_relax { | |
278 | command_line.relax = true; | |
279 | } | |
1418c83b | 280 | | OPTION_dc |
2fa0b342 DHW |
281 | { |
282 | command_line.force_common_definition = true; | |
283 | } | |
284 | | OPTION_g | |
285 | { | |
286 | /* Ignored */ | |
287 | } | |
1418c83b | 288 | | OPTION_dp |
2fa0b342 DHW |
289 | { |
290 | command_line.force_common_definition = true; | |
291 | } | |
1418c83b | 292 | | OPTION_format NAME |
7ca04d28 SC |
293 | { |
294 | lang_add_target($2); | |
295 | } | |
de87cdb4 DM |
296 | | OPTION_oformat NAME |
297 | { | |
298 | lang_add_output_format($2, 0); | |
299 | } | |
de7c1ff6 | 300 | | OPTION_Texp |
e14a43bf | 301 | { ldlex_expression(); |
9d1fe8a4 | 302 | hex_mode = 16; |
1418c83b SC |
303 | } |
304 | INT | |
e14a43bf | 305 | { ldlex_popstate(); |
1418c83b | 306 | lang_section_start($1,exp_intop($3)); |
9d1fe8a4 | 307 | hex_mode = 0; |
1418c83b | 308 | } |
dadd414a SC |
309 | | OPTION_y |
310 | { | |
311 | add_ysym($1); | |
312 | } | |
7ca04d28 | 313 | | OPTION_Aarch |
1418c83b SC |
314 | { |
315 | ldfile_add_arch($1); | |
316 | } | |
7ca04d28 | 317 | | OPTION_b NAME |
2fa0b342 DHW |
318 | { |
319 | lang_add_target($2); | |
320 | } | |
321 | | OPTION_L | |
322 | { | |
323 | ldfile_add_library_path($1); | |
1418c83b | 324 | } |
7ca04d28 SC |
325 | | OPTION_F |
326 | { | |
327 | /* Ignore */ | |
328 | } | |
f177a611 | 329 | | OPTION_c filename |
de87cdb4 DM |
330 | {ldfile_open_command_file($2); } |
331 | mri_script_file END { ldlex_command();} | |
9d1fe8a4 | 332 | |
1418c83b SC |
333 | | OPTION_Tfile |
334 | { ldfile_open_command_file($1); } script_file | |
3d2b83ea | 335 | END { ldlex_command();} |
2fa0b342 | 336 | |
1418c83b SC |
337 | | OPTION_T filename |
338 | { ldfile_open_command_file($2); } script_file | |
dadd414a | 339 | END { ldlex_command();} |
2fa0b342 DHW |
340 | |
341 | | OPTION_l | |
342 | { | |
343 | lang_add_input_file($1, | |
344 | lang_input_file_is_l_enum, | |
345 | (char *)NULL); | |
346 | } | |
1418c83b | 347 | | OPTION_R filename |
2fa0b342 DHW |
348 | { |
349 | lang_add_input_file($2, | |
350 | lang_input_file_is_symbols_only_enum, | |
351 | (char *)NULL); | |
352 | } | |
e14a43bf SC |
353 | |
354 | | OPTION_defsym { ldlex_defsym(); } | |
355 | NAME '=' exp DEFSYMEND { ldlex_popstate(); | |
1d45ccb3 | 356 | lang_add_assignment(exp_assop($4,$3,$5)); |
dadd414a SC |
357 | } |
358 | | OPTION_RETAIN_SYMBOLS_FILE filename | |
359 | { lang_add_keepsyms_file ($2); } | |
9fce28ed SC |
360 | | OPTION_EB |
361 | { | |
362 | /* FIXME: This is currently ignored. It means | |
363 | ``produce a big-endian object file''. It could | |
364 | be used to select an output format. */ | |
365 | } | |
366 | | OPTION_EL | |
367 | { | |
368 | /* FIXME: This is currently ignored. It means | |
369 | ``produce a little-endian object file''. It could | |
370 | be used to select an output format. */ | |
371 | } | |
8ddef552 DM |
372 | | OPTION_G NAME |
373 | { | |
374 | g_switch_value = atoi ($2); | |
375 | } | |
376 | | OPTION_Gval | |
377 | { | |
378 | g_switch_value = yylval.integer; | |
379 | } | |
8ddef552 | 380 | | NAME |
2de8edce DM |
381 | { |
382 | if (*$1 == '-') | |
383 | einfo("%P%F: illegal option -- %s\n", $1); | |
384 | else | |
385 | lang_add_input_file($1,lang_input_file_is_file_enum, | |
386 | (char *)NULL); | |
387 | } | |
2fa0b342 DHW |
388 | ; |
389 | ||
390 | ||
3d2b83ea SC |
391 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
392 | mri_script_file: | |
393 | { ldlex_mri_script(); | |
394 | PUSH_ERROR("MRI style script"); | |
395 | } | |
396 | mri_script_lines | |
397 | { ldlex_popstate(); | |
398 | POP_ERROR(); | |
399 | } | |
400 | ; | |
2fa0b342 | 401 | |
3d2b83ea | 402 | mri_script_lines: |
2e38b71d SC |
403 | mri_script_lines mri_script_command NEWLINE |
404 | | | |
3d2b83ea | 405 | ; |
2fa0b342 | 406 | |
2e38b71d | 407 | mri_script_command: |
3d2b83ea SC |
408 | CHIP exp |
409 | | CHIP exp ',' exp | |
410 | | NAME { | |
2e38b71d | 411 | einfo("%P%F: unrecognised keyword in MRI style script '%s'\n",$1); |
3d2b83ea SC |
412 | } |
413 | | LIST { | |
414 | write_map = true; | |
415 | config.map_filename = "-"; | |
416 | } | |
2e38b71d SC |
417 | | ORDER ordernamelist |
418 | | ENDWORD | |
e14a43bf SC |
419 | | PUBLIC NAME '=' exp |
420 | { mri_public($2, $4); } | |
421 | | PUBLIC NAME ',' exp | |
422 | { mri_public($2, $4); } | |
423 | | PUBLIC NAME exp | |
424 | { mri_public($2, $3); } | |
2e38b71d SC |
425 | | FORMAT NAME |
426 | { mri_format($2); } | |
427 | | SECT NAME ',' exp | |
3d2b83ea SC |
428 | { mri_output_section($2, $4);} |
429 | | SECT NAME exp | |
430 | { mri_output_section($2, $3);} | |
431 | | SECT NAME '=' exp | |
432 | { mri_output_section($2, $4);} | |
dadd414a SC |
433 | | ALIGN_K NAME '=' exp |
434 | { mri_align($2,$4); } | |
435 | | ALIGNMOD NAME '=' exp | |
436 | { mri_alignmod($2,$4); } | |
3d2b83ea SC |
437 | | ABSOLUTE mri_abs_name_list |
438 | | LOAD mri_load_name_list | |
2e38b71d SC |
439 | | NAMEWORD NAME |
440 | { mri_name($2); } | |
e14a43bf SC |
441 | | ALIAS NAME ',' NAME |
442 | { mri_alias($2,$4,0);} | |
443 | | ALIAS NAME ',' INT | |
444 | { mri_alias($2,0,$4);} | |
445 | | BASE exp | |
446 | { mri_base($2); } | |
dadd414a SC |
447 | | TRUNCATE INT |
448 | { mri_truncate($2); } | |
2e38b71d SC |
449 | | |
450 | ; | |
451 | ||
452 | ordernamelist: | |
453 | ordernamelist ',' NAME { mri_order($3); } | |
454 | | ordernamelist NAME { mri_order($2); } | |
455 | | | |
3d2b83ea | 456 | ; |
2fa0b342 | 457 | |
3d2b83ea SC |
458 | mri_load_name_list: |
459 | NAME | |
460 | { mri_load($1); } | |
461 | | mri_load_name_list ',' NAME { mri_load($3); } | |
462 | ; | |
1418c83b | 463 | |
3d2b83ea SC |
464 | mri_abs_name_list: |
465 | NAME | |
466 | { mri_only_load($1); } | |
467 | | mri_abs_name_list ',' NAME | |
468 | { mri_only_load($3); } | |
469 | ; | |
1418c83b | 470 | |
3d2b83ea | 471 | script_file: |
9d1fe8a4 SC |
472 | { |
473 | ldlex_both(); | |
474 | } | |
3d2b83ea | 475 | ifile_list |
9d1fe8a4 SC |
476 | { |
477 | ldlex_popstate(); | |
478 | } | |
1418c83b SC |
479 | ; |
480 | ||
481 | ||
482 | ifile_list: | |
3d2b83ea | 483 | ifile_list ifile_p1 |
13a0e8d7 | 484 | | |
2fa0b342 DHW |
485 | ; |
486 | ||
487 | ||
488 | ||
489 | ifile_p1: | |
490 | memory | |
491 | | sections | |
492 | | startup | |
493 | | high_level_library | |
494 | | low_level_library | |
495 | | floating_point_support | |
ac004870 | 496 | | statement_anywhere |
9d1fe8a4 | 497 | | ';' |
2fa0b342 DHW |
498 | | TARGET_K '(' NAME ')' |
499 | { lang_add_target($3); } | |
500 | | SEARCH_DIR '(' filename ')' | |
501 | { ldfile_add_library_path($3); } | |
502 | | OUTPUT '(' filename ')' | |
503 | { lang_add_output($3); } | |
3d2b83ea | 504 | | OUTPUT_FORMAT '(' NAME ')' |
de87cdb4 | 505 | { lang_add_output_format($3, 1); } |
3d2b83ea | 506 | | OUTPUT_ARCH '(' NAME ')' |
a37cc0c0 | 507 | { ldfile_set_output_arch($3); } |
13a0e8d7 SC |
508 | | FORCE_COMMON_ALLOCATION |
509 | { command_line.force_common_definition = true ; } | |
2fa0b342 DHW |
510 | | INPUT '(' input_list ')' |
511 | | MAP '(' filename ')' | |
512 | { lang_add_map($3); } | |
dadd414a SC |
513 | | INCLUDE filename |
514 | { ldfile_open_command_file($2); } ifile_list END | |
2fa0b342 DHW |
515 | ; |
516 | ||
517 | input_list: | |
518 | NAME | |
519 | { lang_add_input_file($1,lang_input_file_is_file_enum, | |
520 | (char *)NULL); } | |
521 | | input_list ',' NAME | |
522 | { lang_add_input_file($3,lang_input_file_is_file_enum, | |
523 | (char *)NULL); } | |
3d2b83ea SC |
524 | | input_list NAME |
525 | { lang_add_input_file($2, | |
526 | lang_input_file_is_file_enum, | |
2fa0b342 DHW |
527 | (char *)NULL); } |
528 | ; | |
529 | ||
530 | sections: | |
3d2b83ea | 531 | SECTIONS '{' sec_or_group_p1 '}' |
2fa0b342 DHW |
532 | ; |
533 | ||
534 | sec_or_group_p1: | |
535 | sec_or_group_p1 section | |
536 | | sec_or_group_p1 statement_anywhere | |
537 | | | |
538 | ; | |
539 | ||
540 | statement_anywhere: | |
541 | ENTRY '(' NAME ')' | |
542 | { lang_add_entry($3); } | |
543 | | assignment end | |
544 | ; | |
545 | ||
1418c83b SC |
546 | file_NAME_list: |
547 | NAME | |
548 | { lang_add_wild($1, current_file); } | |
3d2b83ea | 549 | | file_NAME_list opt_comma NAME |
1418c83b SC |
550 | { lang_add_wild($3, current_file); } |
551 | ; | |
552 | ||
553 | input_section_spec: | |
554 | NAME | |
555 | { | |
556 | lang_add_wild((char *)NULL, $1); | |
557 | } | |
3d2b83ea | 558 | | '[' |
1418c83b SC |
559 | { |
560 | current_file = (char *)NULL; | |
561 | } | |
3d2b83ea SC |
562 | file_NAME_list |
563 | ']' | |
1418c83b SC |
564 | | NAME |
565 | { | |
3d2b83ea SC |
566 | current_file =$1; |
567 | } | |
1418c83b | 568 | '(' file_NAME_list ')' |
3d2b83ea SC |
569 | | '*' |
570 | { | |
1418c83b | 571 | current_file = (char *)NULL; |
3d2b83ea | 572 | } |
1418c83b SC |
573 | '(' file_NAME_list ')' |
574 | ; | |
575 | ||
2fa0b342 | 576 | statement: |
9fce28ed SC |
577 | assignment end |
578 | | CREATE_OBJECT_SYMBOLS | |
13a0e8d7 | 579 | { |
9fce28ed SC |
580 | lang_add_attribute(lang_object_symbols_statement_enum); |
581 | } | |
582 | | ';' | |
583 | | CONSTRUCTORS | |
f177a611 | 584 | { |
3d2b83ea | 585 | |
9fce28ed SC |
586 | lang_add_attribute(lang_constructors_statement_enum); |
587 | } | |
588 | | input_section_spec | |
589 | | length '(' exp ')' | |
2fa0b342 | 590 | { |
9fce28ed | 591 | lang_add_data($1,$3); |
2fa0b342 DHW |
592 | } |
593 | ||
9fce28ed | 594 | | FILL '(' exp ')' |
2fa0b342 DHW |
595 | { |
596 | lang_add_fill | |
9fce28ed | 597 | (exp_get_value_int($3, |
2fa0b342 DHW |
598 | 0, |
599 | "fill value", | |
9fce28ed | 600 | lang_first_phase_enum)); |
2fa0b342 | 601 | } |
2fa0b342 DHW |
602 | ; |
603 | ||
9fce28ed SC |
604 | statement_list: |
605 | statement_list statement | |
606 | | statement | |
607 | ; | |
608 | ||
8ddef552 DM |
609 | statement_list_opt: |
610 | /* empty */ | |
611 | | statement_list | |
612 | ; | |
613 | ||
2fa0b342 | 614 | length: |
3d2b83ea | 615 | LONG |
2fa0b342 | 616 | { $$ = $1; } |
3d2b83ea | 617 | | SHORT |
2fa0b342 | 618 | { $$ = $1; } |
3d2b83ea | 619 | | BYTE |
2fa0b342 DHW |
620 | { $$ = $1; } |
621 | ; | |
622 | ||
623 | fill_opt: | |
9d1fe8a4 | 624 | '=' mustbe_exp |
2fa0b342 DHW |
625 | { |
626 | $$ = exp_get_value_int($2, | |
627 | 0, | |
628 | "fill value", | |
3d2b83ea | 629 | lang_first_phase_enum); |
2fa0b342 | 630 | } |
3d2b83ea | 631 | | { $$ = 0; } |
2fa0b342 DHW |
632 | ; |
633 | ||
634 | ||
635 | ||
636 | assign_op: | |
637 | PLUSEQ | |
638 | { $$ = '+'; } | |
3d2b83ea | 639 | | MINUSEQ |
2fa0b342 DHW |
640 | { $$ = '-'; } |
641 | | MULTEQ | |
642 | { $$ = '*'; } | |
643 | | DIVEQ | |
644 | { $$ = '/'; } | |
645 | | LSHIFTEQ | |
646 | { $$ = LSHIFT; } | |
647 | | RSHIFTEQ | |
648 | { $$ = RSHIFT; } | |
649 | | ANDEQ | |
650 | { $$ = '&'; } | |
651 | | OREQ | |
652 | { $$ = '|'; } | |
653 | ||
654 | ; | |
655 | ||
9d1fe8a4 | 656 | end: ';' | ',' |
2fa0b342 DHW |
657 | ; |
658 | ||
2fa0b342 DHW |
659 | |
660 | assignment: | |
3d2b83ea | 661 | NAME '=' mustbe_exp |
2fa0b342 DHW |
662 | { |
663 | lang_add_assignment(exp_assop($2,$1,$3)); | |
664 | } | |
3d2b83ea | 665 | | NAME assign_op mustbe_exp |
2fa0b342 | 666 | { |
3d2b83ea SC |
667 | |
668 | lang_add_assignment(exp_assop('=',$1,exp_binop($2,exp_nameop(NAME,$1),$3))); | |
2fa0b342 DHW |
669 | } |
670 | ||
671 | ; | |
672 | ||
673 | ||
674 | opt_comma: | |
675 | ',' | ; | |
676 | ||
677 | ||
678 | memory: | |
3d2b83ea | 679 | MEMORY '{' memory_spec memory_spec_list '}' |
2fa0b342 DHW |
680 | ; |
681 | ||
682 | memory_spec_list: | |
3d2b83ea | 683 | memory_spec_list memory_spec |
2fa0b342 DHW |
684 | | memory_spec_list ',' memory_spec |
685 | | | |
686 | ; | |
687 | ||
688 | ||
3d2b83ea | 689 | memory_spec: NAME |
2fa0b342 | 690 | { region = lang_memory_region_lookup($1); } |
3d2b83ea | 691 | attributes_opt ':' |
9d1fe8a4 | 692 | origin_spec opt_comma length_spec |
2fa0b342 | 693 | |
3d2b83ea | 694 | ; origin_spec: |
9d1fe8a4 | 695 | ORIGIN '=' mustbe_exp |
2fa0b342 DHW |
696 | { region->current = |
697 | region->origin = | |
3d2b83ea SC |
698 | exp_get_vma($3, 0L,"origin", lang_first_phase_enum); |
699 | } | |
700 | ; length_spec: | |
701 | LENGTH '=' mustbe_exp | |
702 | { region->length = exp_get_vma($3, | |
2fa0b342 DHW |
703 | ~((bfd_vma)0), |
704 | "length", | |
705 | lang_first_phase_enum); | |
706 | } | |
707 | ||
708 | ||
709 | attributes_opt: | |
710 | '(' NAME ')' | |
711 | { | |
712 | lang_set_flags(®ion->flags, $2); | |
713 | } | |
714 | | | |
715 | ||
716 | ; | |
717 | ||
718 | startup: | |
719 | STARTUP '(' filename ')' | |
720 | { lang_startup($3); } | |
721 | ; | |
722 | ||
723 | high_level_library: | |
3d2b83ea SC |
724 | HLL '(' high_level_library_NAME_list ')' |
725 | | HLL '(' ')' | |
2fa0b342 DHW |
726 | { ldemul_hll((char *)NULL); } |
727 | ; | |
728 | ||
729 | high_level_library_NAME_list: | |
3d2b83ea | 730 | high_level_library_NAME_list opt_comma filename |
2fa0b342 DHW |
731 | { ldemul_hll($3); } |
732 | | filename | |
733 | { ldemul_hll($1); } | |
734 | ||
735 | ; | |
736 | ||
737 | low_level_library: | |
738 | SYSLIB '(' low_level_library_NAME_list ')' | |
3d2b83ea | 739 | ; low_level_library_NAME_list: |
2fa0b342 | 740 | low_level_library_NAME_list opt_comma filename |
3d2b83ea | 741 | { ldemul_syslib($3); } |
2fa0b342 DHW |
742 | | |
743 | ; | |
744 | ||
745 | floating_point_support: | |
746 | FLOAT | |
747 | { lang_float(true); } | |
748 | | NOFLOAT | |
3d2b83ea | 749 | { lang_float(false); } |
2fa0b342 DHW |
750 | ; |
751 | ||
752 | ||
3d2b83ea | 753 | mustbe_exp: { ldlex_expression(); } |
9d1fe8a4 SC |
754 | exp |
755 | { ldlex_popstate(); $$=$2;} | |
756 | ; | |
2fa0b342 DHW |
757 | |
758 | exp : | |
3d2b83ea | 759 | '-' exp %prec UNARY |
2fa0b342 | 760 | { $$ = exp_unop('-', $2); } |
9d1fe8a4 | 761 | | '(' exp ')' |
2fa0b342 DHW |
762 | { $$ = $2; } |
763 | | NEXT '(' exp ')' %prec UNARY | |
764 | { $$ = exp_unop($1,$3); } | |
3d2b83ea | 765 | | '!' exp %prec UNARY |
2fa0b342 | 766 | { $$ = exp_unop('!', $2); } |
3d2b83ea | 767 | | '+' exp %prec UNARY |
2fa0b342 | 768 | { $$ = $2; } |
3d2b83ea | 769 | | '~' exp %prec UNARY |
2fa0b342 DHW |
770 | { $$ = exp_unop('~', $2);} |
771 | ||
772 | | exp '*' exp | |
773 | { $$ = exp_binop('*', $1, $3); } | |
774 | | exp '/' exp | |
775 | { $$ = exp_binop('/', $1, $3); } | |
776 | | exp '%' exp | |
777 | { $$ = exp_binop('%', $1, $3); } | |
778 | | exp '+' exp | |
779 | { $$ = exp_binop('+', $1, $3); } | |
780 | | exp '-' exp | |
3d2b83ea | 781 | { $$ = exp_binop('-' , $1, $3); } |
2fa0b342 DHW |
782 | | exp LSHIFT exp |
783 | { $$ = exp_binop(LSHIFT , $1, $3); } | |
784 | | exp RSHIFT exp | |
785 | { $$ = exp_binop(RSHIFT , $1, $3); } | |
786 | | exp EQ exp | |
787 | { $$ = exp_binop(EQ , $1, $3); } | |
788 | | exp NE exp | |
789 | { $$ = exp_binop(NE , $1, $3); } | |
790 | | exp LE exp | |
791 | { $$ = exp_binop(LE , $1, $3); } | |
3d2b83ea | 792 | | exp GE exp |
2fa0b342 DHW |
793 | { $$ = exp_binop(GE , $1, $3); } |
794 | | exp '<' exp | |
795 | { $$ = exp_binop('<' , $1, $3); } | |
796 | | exp '>' exp | |
797 | { $$ = exp_binop('>' , $1, $3); } | |
798 | | exp '&' exp | |
799 | { $$ = exp_binop('&' , $1, $3); } | |
800 | | exp '^' exp | |
801 | { $$ = exp_binop('^' , $1, $3); } | |
802 | | exp '|' exp | |
803 | { $$ = exp_binop('|' , $1, $3); } | |
804 | | exp '?' exp ':' exp | |
805 | { $$ = exp_trinop('?' , $1, $3, $5); } | |
806 | | exp ANDAND exp | |
807 | { $$ = exp_binop(ANDAND , $1, $3); } | |
808 | | exp OROR exp | |
809 | { $$ = exp_binop(OROR , $1, $3); } | |
810 | | DEFINED '(' NAME ')' | |
811 | { $$ = exp_nameop(DEFINED, $3); } | |
812 | | INT | |
813 | { $$ = exp_intop($1); } | |
3d2b83ea | 814 | | SIZEOF_HEADERS |
65c552e3 | 815 | { $$ = exp_nameop(SIZEOF_HEADERS,0); } |
2fa0b342 | 816 | |
3d2b83ea | 817 | | SIZEOF '(' NAME ')' |
f177a611 | 818 | { $$ = exp_nameop(SIZEOF,$3); } |
2fa0b342 | 819 | | ADDR '(' NAME ')' |
f177a611 | 820 | { $$ = exp_nameop(ADDR,$3); } |
ae475b39 SC |
821 | | ABSOLUTE '(' exp ')' |
822 | { $$ = exp_unop(ABSOLUTE, $3); } | |
2fa0b342 | 823 | | ALIGN_K '(' exp ')' |
f177a611 | 824 | { $$ = exp_unop(ALIGN_K,$3); } |
2fa0b342 DHW |
825 | | NAME |
826 | { $$ = exp_nameop(NAME,$1); } | |
827 | ; | |
828 | ||
829 | ||
9fce28ed SC |
830 | opt_at: |
831 | AT '(' exp ')' { $$ = $3; } | |
832 | | { $$ = 0; } | |
833 | ; | |
2fa0b342 | 834 | |
3d2b83ea | 835 | section: NAME { ldlex_expression(); } |
9fce28ed SC |
836 | opt_exp_with_type |
837 | opt_at { ldlex_popstate(); } | |
dadd414a | 838 | '{' |
9fce28ed SC |
839 | { |
840 | lang_enter_output_section_statement($1,$3,typebits,0,0,0,$4); | |
841 | } | |
8ddef552 | 842 | statement_list_opt |
dadd414a | 843 | '}' {ldlex_expression();} fill_opt memspec_opt |
2fa0b342 | 844 | { |
e14a43bf | 845 | ldlex_popstate(); |
9fce28ed | 846 | lang_leave_output_section_statement($11, $12); |
2fa0b342 | 847 | } |
e14a43bf | 848 | opt_comma |
2fa0b342 DHW |
849 | |
850 | ; | |
851 | ||
dadd414a SC |
852 | type: |
853 | NOLOAD { typebits = SEC_NEVER_LOAD; } | |
854 | | DSECT { typebits = 0; } | |
855 | | COPY { typebits = 0; } | |
856 | | INFO { typebits = 0; } | |
857 | | OVERLAY { typebits = 0; } | |
858 | | { typebits = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS; } | |
f177a611 JG |
859 | ; |
860 | ||
6812f0e8 | 861 | |
dadd414a | 862 | opt_exp_with_type: |
9fce28ed SC |
863 | exp ':' { $$ = $1; typebits =0;} |
864 | | exp '(' type ')' ':' { $$ = $1; } | |
865 | | ':' { $$= (etree_type *)NULL; typebits = 0; } | |
866 | | '(' type ')' ':' { $$= (etree_type *)NULL; } | |
2fa0b342 DHW |
867 | ; |
868 | ||
2fa0b342 | 869 | memspec_opt: |
9d1fe8a4 | 870 | '>' NAME |
2fa0b342 DHW |
871 | { $$ = $2; } |
872 | | { $$ = "*default*"; } | |
873 | ; | |
3d2b83ea SC |
874 | %% |
875 | void | |
876 | yyerror(arg) | |
877 | char *arg; | |
878 | { | |
879 | if (error_index> 0 && error_index < ERROR_NAME_MAX) | |
880 | einfo("%P%F: %S syntax error in %s\n",error_names[error_index-1]); | |
881 | else | |
882 | einfo("%P%F: %S syntax error\n"); | |
883 | } |