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 | ||
2fa0b342 | 41 | extern unsigned int lineno; |
bbd2521f | 42 | extern boolean trace_file_tries; |
2fa0b342 DHW |
43 | extern boolean trace_files; |
44 | extern boolean write_map; | |
8ddef552 | 45 | extern int g_switch_value; |
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(); | |
9fce28ed | 57 | etree_type *lang_atin(); |
2fa0b342 DHW |
58 | #ifdef __STDC__ |
59 | ||
60 | void lang_add_data(int type, union etree_union *exp); | |
9fce28ed | 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*, 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; | |
8ddef552 | 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 | ||
9fce28ed | 106 | %type <etree> exp opt_exp_with_type mustbe_exp opt_at |
dadd414a | 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 |
de87cdb4 DM |
141 | %token OPTION_EB OPTION_EL OPTION_G OPTION_Gval OPTION_help |
142 | %token OPTION_format OPTION_oformat OPTION_F OPTION_u OPTION_Bstatic OPTION_N | |
6812f0e8 | 143 | %token <integer> SIZEOF NEXT ADDR |
a37cc0c0 | 144 | %token OPTION_d OPTION_dc OPTION_dp OPTION_x OPTION_X OPTION_defsym |
8ddef552 | 145 | %token OPTION_v OPTION_V OPTION_m OPTION_memul OPTION_M OPTION_t STARTUP HLL SYSLIB FLOAT NOFLOAT |
2e2bf962 | 146 | %token OPTION_Map |
de87cdb4 | 147 | %token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_R OPTION_relax OPTION_version |
dadd414a SC |
148 | %token <name> OPTION_l OPTION_L OPTION_T OPTION_Aarch OPTION_Tfile OPTION_Texp |
149 | %token <name> OPTION_y | |
2fa0b342 DHW |
150 | %token OPTION_Ur |
151 | %token ORIGIN FILL OPTION_g | |
dadd414a | 152 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT OUTPUT CONSTRUCTORS |
9fce28ed | 153 | %token OPTION_RETAIN_SYMBOLS_FILE ALIGNMOD AT |
dadd414a | 154 | |
6812f0e8 SC |
155 | %type <token> assign_op |
156 | ||
2fa0b342 DHW |
157 | %type <name> filename |
158 | ||
3d2b83ea | 159 | |
e14a43bf | 160 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD |
dadd414a | 161 | %token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE |
3d2b83ea | 162 | |
2fa0b342 DHW |
163 | %{ |
164 | ld_config_type config; | |
165 | %} | |
166 | ||
167 | %% | |
168 | ||
2fa0b342 DHW |
169 | file: command_line { lang_final(); }; |
170 | ||
9d1fe8a4 SC |
171 | |
172 | filename: NAME; | |
2fa0b342 | 173 | |
76971f0d | 174 | |
2fa0b342 DHW |
175 | command_line: |
176 | command_line command_line_option | |
177 | | | |
178 | ; | |
179 | ||
180 | command_line_option: | |
9d1fe8a4 | 181 | OPTION_Bstatic { } |
de87cdb4 DM |
182 | | OPTION_help |
183 | { | |
184 | help (); | |
185 | exit (0); | |
186 | } | |
1418c83b | 187 | | OPTION_v |
2fa0b342 | 188 | { |
76971f0d | 189 | ldversion(0); |
2fa0b342 | 190 | } |
c611e285 SC |
191 | | OPTION_V |
192 | { | |
76971f0d | 193 | ldversion(1); |
bbd2521f | 194 | trace_file_tries = true; |
c611e285 | 195 | } |
de87cdb4 DM |
196 | | OPTION_version |
197 | { | |
198 | ldversion(0); | |
199 | exit(0); | |
200 | } | |
2fa0b342 DHW |
201 | | OPTION_t { |
202 | trace_files = true; | |
203 | } | |
2e2bf962 SC |
204 | | OPTION_Map NAME |
205 | { | |
206 | write_map = true; | |
207 | config.map_filename = $2; | |
208 | } | |
8ddef552 DM |
209 | | OPTION_m NAME |
210 | { | |
211 | /* Ignore. */ | |
212 | } | |
213 | | OPTION_memul | |
214 | { | |
215 | /* Ignore. */ | |
216 | } | |
9fce28ed SC |
217 | | OPTION_M |
218 | { | |
219 | config.map_filename = "-"; | |
220 | } | |
2fa0b342 DHW |
221 | | OPTION_n { |
222 | config.magic_demand_paged = false; | |
2fa0b342 | 223 | } |
f177a611 | 224 | | OPTION_N { |
c611e285 | 225 | config.text_read_only = false; |
f177a611 JG |
226 | config.magic_demand_paged = false; |
227 | } | |
2fa0b342 DHW |
228 | | OPTION_s { |
229 | strip_symbols = STRIP_ALL; | |
230 | } | |
231 | | OPTION_S { | |
232 | strip_symbols = STRIP_DEBUGGER; | |
233 | } | |
1418c83b SC |
234 | | OPTION_u NAME { |
235 | ldlang_add_undef($2); | |
236 | } | |
237 | ||
2fa0b342 DHW |
238 | | OPTION_r { |
239 | config.relocateable_output = true; | |
240 | config.build_constructors = false; | |
241 | config.magic_demand_paged = false; | |
c611e285 | 242 | config.text_read_only = false; |
2fa0b342 DHW |
243 | } |
244 | | OPTION_Ur { | |
245 | config.relocateable_output = true; | |
246 | config.build_constructors = true; | |
247 | config.magic_demand_paged = false; | |
c611e285 | 248 | config.text_read_only = false; |
2fa0b342 DHW |
249 | } |
250 | | OPTION_o filename | |
251 | { | |
252 | lang_add_output($2); | |
253 | } | |
254 | | OPTION_e NAME | |
255 | { lang_add_entry($2); | |
256 | } | |
257 | | OPTION_X { | |
258 | discard_locals = DISCARD_L; | |
259 | } | |
260 | | OPTION_x { | |
261 | discard_locals = DISCARD_ALL; | |
262 | } | |
263 | ||
264 | | OPTION_noinhibit_exec | |
265 | { | |
266 | force_make_executable = true; | |
267 | } | |
de87cdb4 DM |
268 | | OPTION_sort_common |
269 | { | |
270 | config.sort_common = true; | |
271 | } | |
1418c83b | 272 | | OPTION_d { |
2fa0b342 DHW |
273 | command_line.force_common_definition = true; |
274 | } | |
c611e285 SC |
275 | |
276 | | OPTION_relax { | |
277 | command_line.relax = true; | |
278 | } | |
1418c83b | 279 | | OPTION_dc |
2fa0b342 DHW |
280 | { |
281 | command_line.force_common_definition = true; | |
282 | } | |
283 | | OPTION_g | |
284 | { | |
285 | /* Ignored */ | |
286 | } | |
1418c83b | 287 | | OPTION_dp |
2fa0b342 DHW |
288 | { |
289 | command_line.force_common_definition = true; | |
290 | } | |
1418c83b | 291 | | OPTION_format NAME |
7ca04d28 SC |
292 | { |
293 | lang_add_target($2); | |
294 | } | |
de87cdb4 DM |
295 | | OPTION_oformat NAME |
296 | { | |
297 | lang_add_output_format($2, 0); | |
298 | } | |
de7c1ff6 | 299 | | OPTION_Texp |
e14a43bf | 300 | { ldlex_expression(); |
9d1fe8a4 | 301 | hex_mode = 16; |
1418c83b SC |
302 | } |
303 | INT | |
e14a43bf | 304 | { ldlex_popstate(); |
1418c83b | 305 | lang_section_start($1,exp_intop($3)); |
9d1fe8a4 | 306 | hex_mode = 0; |
1418c83b | 307 | } |
dadd414a SC |
308 | | OPTION_y |
309 | { | |
310 | add_ysym($1); | |
311 | } | |
7ca04d28 | 312 | | OPTION_Aarch |
1418c83b SC |
313 | { |
314 | ldfile_add_arch($1); | |
315 | } | |
7ca04d28 | 316 | | OPTION_b NAME |
2fa0b342 DHW |
317 | { |
318 | lang_add_target($2); | |
319 | } | |
320 | | OPTION_L | |
321 | { | |
322 | ldfile_add_library_path($1); | |
1418c83b | 323 | } |
7ca04d28 SC |
324 | | OPTION_F |
325 | { | |
326 | /* Ignore */ | |
327 | } | |
f177a611 | 328 | | OPTION_c filename |
de87cdb4 DM |
329 | {ldfile_open_command_file($2); } |
330 | mri_script_file END { ldlex_command();} | |
9d1fe8a4 | 331 | |
1418c83b SC |
332 | | OPTION_Tfile |
333 | { ldfile_open_command_file($1); } script_file | |
3d2b83ea | 334 | END { ldlex_command();} |
2fa0b342 | 335 | |
1418c83b SC |
336 | | OPTION_T filename |
337 | { ldfile_open_command_file($2); } script_file | |
dadd414a | 338 | END { ldlex_command();} |
2fa0b342 DHW |
339 | |
340 | | OPTION_l | |
341 | { | |
342 | lang_add_input_file($1, | |
343 | lang_input_file_is_l_enum, | |
344 | (char *)NULL); | |
345 | } | |
1418c83b | 346 | | OPTION_R filename |
2fa0b342 DHW |
347 | { |
348 | lang_add_input_file($2, | |
349 | lang_input_file_is_symbols_only_enum, | |
350 | (char *)NULL); | |
351 | } | |
e14a43bf SC |
352 | |
353 | | OPTION_defsym { ldlex_defsym(); } | |
354 | NAME '=' exp DEFSYMEND { ldlex_popstate(); | |
1d45ccb3 | 355 | lang_add_assignment(exp_assop($4,$3,$5)); |
dadd414a SC |
356 | } |
357 | | OPTION_RETAIN_SYMBOLS_FILE filename | |
358 | { lang_add_keepsyms_file ($2); } | |
9fce28ed SC |
359 | | OPTION_EB |
360 | { | |
361 | /* FIXME: This is currently ignored. It means | |
362 | ``produce a big-endian object file''. It could | |
363 | be used to select an output format. */ | |
364 | } | |
365 | | OPTION_EL | |
366 | { | |
367 | /* FIXME: This is currently ignored. It means | |
368 | ``produce a little-endian object file''. It could | |
369 | be used to select an output format. */ | |
370 | } | |
8ddef552 DM |
371 | | OPTION_G NAME |
372 | { | |
373 | g_switch_value = atoi ($2); | |
374 | } | |
375 | | OPTION_Gval | |
376 | { | |
377 | g_switch_value = yylval.integer; | |
378 | } | |
8ddef552 | 379 | | NAME |
2de8edce DM |
380 | { |
381 | if (*$1 == '-') | |
382 | einfo("%P%F: illegal option -- %s\n", $1); | |
383 | else | |
384 | lang_add_input_file($1,lang_input_file_is_file_enum, | |
385 | (char *)NULL); | |
386 | } | |
2fa0b342 DHW |
387 | ; |
388 | ||
389 | ||
3d2b83ea SC |
390 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
391 | mri_script_file: | |
392 | { ldlex_mri_script(); | |
393 | PUSH_ERROR("MRI style script"); | |
394 | } | |
395 | mri_script_lines | |
396 | { ldlex_popstate(); | |
397 | POP_ERROR(); | |
398 | } | |
399 | ; | |
2fa0b342 | 400 | |
3d2b83ea | 401 | mri_script_lines: |
2e38b71d SC |
402 | mri_script_lines mri_script_command NEWLINE |
403 | | | |
3d2b83ea | 404 | ; |
2fa0b342 | 405 | |
2e38b71d | 406 | mri_script_command: |
3d2b83ea SC |
407 | CHIP exp |
408 | | CHIP exp ',' exp | |
409 | | NAME { | |
2e38b71d | 410 | einfo("%P%F: unrecognised keyword in MRI style script '%s'\n",$1); |
3d2b83ea SC |
411 | } |
412 | | LIST { | |
413 | write_map = true; | |
414 | config.map_filename = "-"; | |
415 | } | |
2e38b71d SC |
416 | | ORDER ordernamelist |
417 | | ENDWORD | |
e14a43bf SC |
418 | | PUBLIC NAME '=' exp |
419 | { mri_public($2, $4); } | |
420 | | PUBLIC NAME ',' exp | |
421 | { mri_public($2, $4); } | |
422 | | PUBLIC NAME exp | |
423 | { mri_public($2, $3); } | |
2e38b71d SC |
424 | | FORMAT NAME |
425 | { mri_format($2); } | |
426 | | SECT NAME ',' exp | |
3d2b83ea SC |
427 | { mri_output_section($2, $4);} |
428 | | SECT NAME exp | |
429 | { mri_output_section($2, $3);} | |
430 | | SECT NAME '=' exp | |
431 | { mri_output_section($2, $4);} | |
dadd414a SC |
432 | | ALIGN_K NAME '=' exp |
433 | { mri_align($2,$4); } | |
434 | | ALIGNMOD NAME '=' exp | |
435 | { mri_alignmod($2,$4); } | |
3d2b83ea SC |
436 | | ABSOLUTE mri_abs_name_list |
437 | | LOAD mri_load_name_list | |
2e38b71d SC |
438 | | NAMEWORD NAME |
439 | { mri_name($2); } | |
e14a43bf SC |
440 | | ALIAS NAME ',' NAME |
441 | { mri_alias($2,$4,0);} | |
442 | | ALIAS NAME ',' INT | |
443 | { mri_alias($2,0,$4);} | |
444 | | BASE exp | |
445 | { mri_base($2); } | |
dadd414a SC |
446 | | TRUNCATE INT |
447 | { mri_truncate($2); } | |
2e38b71d SC |
448 | | |
449 | ; | |
450 | ||
451 | ordernamelist: | |
452 | ordernamelist ',' NAME { mri_order($3); } | |
453 | | ordernamelist NAME { mri_order($2); } | |
454 | | | |
3d2b83ea | 455 | ; |
2fa0b342 | 456 | |
3d2b83ea SC |
457 | mri_load_name_list: |
458 | NAME | |
459 | { mri_load($1); } | |
460 | | mri_load_name_list ',' NAME { mri_load($3); } | |
461 | ; | |
1418c83b | 462 | |
3d2b83ea SC |
463 | mri_abs_name_list: |
464 | NAME | |
465 | { mri_only_load($1); } | |
466 | | mri_abs_name_list ',' NAME | |
467 | { mri_only_load($3); } | |
468 | ; | |
1418c83b | 469 | |
3d2b83ea | 470 | script_file: |
9d1fe8a4 SC |
471 | { |
472 | ldlex_both(); | |
473 | } | |
3d2b83ea | 474 | ifile_list |
9d1fe8a4 SC |
475 | { |
476 | ldlex_popstate(); | |
477 | } | |
1418c83b SC |
478 | ; |
479 | ||
480 | ||
481 | ifile_list: | |
3d2b83ea | 482 | ifile_list ifile_p1 |
13a0e8d7 | 483 | | |
2fa0b342 DHW |
484 | ; |
485 | ||
486 | ||
487 | ||
488 | ifile_p1: | |
489 | memory | |
490 | | sections | |
491 | | startup | |
492 | | high_level_library | |
493 | | low_level_library | |
494 | | floating_point_support | |
ac004870 | 495 | | statement_anywhere |
9d1fe8a4 | 496 | | ';' |
2fa0b342 DHW |
497 | | TARGET_K '(' NAME ')' |
498 | { lang_add_target($3); } | |
499 | | SEARCH_DIR '(' filename ')' | |
500 | { ldfile_add_library_path($3); } | |
501 | | OUTPUT '(' filename ')' | |
502 | { lang_add_output($3); } | |
3d2b83ea | 503 | | OUTPUT_FORMAT '(' NAME ')' |
de87cdb4 | 504 | { lang_add_output_format($3, 1); } |
3d2b83ea | 505 | | OUTPUT_ARCH '(' NAME ')' |
a37cc0c0 | 506 | { ldfile_set_output_arch($3); } |
13a0e8d7 SC |
507 | | FORCE_COMMON_ALLOCATION |
508 | { command_line.force_common_definition = true ; } | |
2fa0b342 DHW |
509 | | INPUT '(' input_list ')' |
510 | | MAP '(' filename ')' | |
511 | { lang_add_map($3); } | |
dadd414a SC |
512 | | INCLUDE filename |
513 | { ldfile_open_command_file($2); } ifile_list END | |
2fa0b342 DHW |
514 | ; |
515 | ||
516 | input_list: | |
517 | NAME | |
518 | { lang_add_input_file($1,lang_input_file_is_file_enum, | |
519 | (char *)NULL); } | |
520 | | input_list ',' NAME | |
521 | { lang_add_input_file($3,lang_input_file_is_file_enum, | |
522 | (char *)NULL); } | |
3d2b83ea SC |
523 | | input_list NAME |
524 | { lang_add_input_file($2, | |
525 | lang_input_file_is_file_enum, | |
2fa0b342 DHW |
526 | (char *)NULL); } |
527 | ; | |
528 | ||
529 | sections: | |
3d2b83ea | 530 | SECTIONS '{' sec_or_group_p1 '}' |
2fa0b342 DHW |
531 | ; |
532 | ||
533 | sec_or_group_p1: | |
534 | sec_or_group_p1 section | |
535 | | sec_or_group_p1 statement_anywhere | |
536 | | | |
537 | ; | |
538 | ||
539 | statement_anywhere: | |
540 | ENTRY '(' NAME ')' | |
541 | { lang_add_entry($3); } | |
542 | | assignment end | |
543 | ; | |
544 | ||
1418c83b SC |
545 | file_NAME_list: |
546 | NAME | |
547 | { lang_add_wild($1, current_file); } | |
3d2b83ea | 548 | | file_NAME_list opt_comma NAME |
1418c83b SC |
549 | { lang_add_wild($3, current_file); } |
550 | ; | |
551 | ||
552 | input_section_spec: | |
553 | NAME | |
554 | { | |
555 | lang_add_wild((char *)NULL, $1); | |
556 | } | |
3d2b83ea | 557 | | '[' |
1418c83b SC |
558 | { |
559 | current_file = (char *)NULL; | |
560 | } | |
3d2b83ea SC |
561 | file_NAME_list |
562 | ']' | |
1418c83b SC |
563 | | NAME |
564 | { | |
3d2b83ea SC |
565 | current_file =$1; |
566 | } | |
1418c83b | 567 | '(' file_NAME_list ')' |
3d2b83ea SC |
568 | | '*' |
569 | { | |
1418c83b | 570 | current_file = (char *)NULL; |
3d2b83ea | 571 | } |
1418c83b SC |
572 | '(' file_NAME_list ')' |
573 | ; | |
574 | ||
2fa0b342 | 575 | statement: |
9fce28ed SC |
576 | assignment end |
577 | | CREATE_OBJECT_SYMBOLS | |
13a0e8d7 | 578 | { |
9fce28ed SC |
579 | lang_add_attribute(lang_object_symbols_statement_enum); |
580 | } | |
581 | | ';' | |
582 | | CONSTRUCTORS | |
f177a611 | 583 | { |
3d2b83ea | 584 | |
9fce28ed SC |
585 | lang_add_attribute(lang_constructors_statement_enum); |
586 | } | |
587 | | input_section_spec | |
588 | | length '(' exp ')' | |
2fa0b342 | 589 | { |
9fce28ed | 590 | lang_add_data($1,$3); |
2fa0b342 DHW |
591 | } |
592 | ||
9fce28ed | 593 | | FILL '(' exp ')' |
2fa0b342 DHW |
594 | { |
595 | lang_add_fill | |
9fce28ed | 596 | (exp_get_value_int($3, |
2fa0b342 DHW |
597 | 0, |
598 | "fill value", | |
9fce28ed | 599 | lang_first_phase_enum)); |
2fa0b342 | 600 | } |
2fa0b342 DHW |
601 | ; |
602 | ||
9fce28ed SC |
603 | statement_list: |
604 | statement_list statement | |
605 | | statement | |
606 | ; | |
607 | ||
8ddef552 DM |
608 | statement_list_opt: |
609 | /* empty */ | |
610 | | statement_list | |
611 | ; | |
612 | ||
2fa0b342 | 613 | length: |
3d2b83ea | 614 | LONG |
2fa0b342 | 615 | { $$ = $1; } |
3d2b83ea | 616 | | SHORT |
2fa0b342 | 617 | { $$ = $1; } |
3d2b83ea | 618 | | BYTE |
2fa0b342 DHW |
619 | { $$ = $1; } |
620 | ; | |
621 | ||
622 | fill_opt: | |
9d1fe8a4 | 623 | '=' mustbe_exp |
2fa0b342 DHW |
624 | { |
625 | $$ = exp_get_value_int($2, | |
626 | 0, | |
627 | "fill value", | |
3d2b83ea | 628 | lang_first_phase_enum); |
2fa0b342 | 629 | } |
3d2b83ea | 630 | | { $$ = 0; } |
2fa0b342 DHW |
631 | ; |
632 | ||
633 | ||
634 | ||
635 | assign_op: | |
636 | PLUSEQ | |
637 | { $$ = '+'; } | |
3d2b83ea | 638 | | MINUSEQ |
2fa0b342 DHW |
639 | { $$ = '-'; } |
640 | | MULTEQ | |
641 | { $$ = '*'; } | |
642 | | DIVEQ | |
643 | { $$ = '/'; } | |
644 | | LSHIFTEQ | |
645 | { $$ = LSHIFT; } | |
646 | | RSHIFTEQ | |
647 | { $$ = RSHIFT; } | |
648 | | ANDEQ | |
649 | { $$ = '&'; } | |
650 | | OREQ | |
651 | { $$ = '|'; } | |
652 | ||
653 | ; | |
654 | ||
9d1fe8a4 | 655 | end: ';' | ',' |
2fa0b342 DHW |
656 | ; |
657 | ||
2fa0b342 DHW |
658 | |
659 | assignment: | |
3d2b83ea | 660 | NAME '=' mustbe_exp |
2fa0b342 DHW |
661 | { |
662 | lang_add_assignment(exp_assop($2,$1,$3)); | |
663 | } | |
3d2b83ea | 664 | | NAME assign_op mustbe_exp |
2fa0b342 | 665 | { |
3d2b83ea SC |
666 | |
667 | lang_add_assignment(exp_assop('=',$1,exp_binop($2,exp_nameop(NAME,$1),$3))); | |
2fa0b342 DHW |
668 | } |
669 | ||
670 | ; | |
671 | ||
672 | ||
673 | opt_comma: | |
674 | ',' | ; | |
675 | ||
676 | ||
677 | memory: | |
3d2b83ea | 678 | MEMORY '{' memory_spec memory_spec_list '}' |
2fa0b342 DHW |
679 | ; |
680 | ||
681 | memory_spec_list: | |
3d2b83ea | 682 | memory_spec_list memory_spec |
2fa0b342 DHW |
683 | | memory_spec_list ',' memory_spec |
684 | | | |
685 | ; | |
686 | ||
687 | ||
3d2b83ea | 688 | memory_spec: NAME |
2fa0b342 | 689 | { region = lang_memory_region_lookup($1); } |
3d2b83ea | 690 | attributes_opt ':' |
9d1fe8a4 | 691 | origin_spec opt_comma length_spec |
2fa0b342 | 692 | |
3d2b83ea | 693 | ; origin_spec: |
9d1fe8a4 | 694 | ORIGIN '=' mustbe_exp |
2fa0b342 DHW |
695 | { region->current = |
696 | region->origin = | |
3d2b83ea SC |
697 | exp_get_vma($3, 0L,"origin", lang_first_phase_enum); |
698 | } | |
699 | ; length_spec: | |
700 | LENGTH '=' mustbe_exp | |
701 | { region->length = exp_get_vma($3, | |
2fa0b342 DHW |
702 | ~((bfd_vma)0), |
703 | "length", | |
704 | lang_first_phase_enum); | |
705 | } | |
706 | ||
707 | ||
708 | attributes_opt: | |
709 | '(' NAME ')' | |
710 | { | |
711 | lang_set_flags(®ion->flags, $2); | |
712 | } | |
713 | | | |
714 | ||
715 | ; | |
716 | ||
717 | startup: | |
718 | STARTUP '(' filename ')' | |
719 | { lang_startup($3); } | |
720 | ; | |
721 | ||
722 | high_level_library: | |
3d2b83ea SC |
723 | HLL '(' high_level_library_NAME_list ')' |
724 | | HLL '(' ')' | |
2fa0b342 DHW |
725 | { ldemul_hll((char *)NULL); } |
726 | ; | |
727 | ||
728 | high_level_library_NAME_list: | |
3d2b83ea | 729 | high_level_library_NAME_list opt_comma filename |
2fa0b342 DHW |
730 | { ldemul_hll($3); } |
731 | | filename | |
732 | { ldemul_hll($1); } | |
733 | ||
734 | ; | |
735 | ||
736 | low_level_library: | |
737 | SYSLIB '(' low_level_library_NAME_list ')' | |
3d2b83ea | 738 | ; low_level_library_NAME_list: |
2fa0b342 | 739 | low_level_library_NAME_list opt_comma filename |
3d2b83ea | 740 | { ldemul_syslib($3); } |
2fa0b342 DHW |
741 | | |
742 | ; | |
743 | ||
744 | floating_point_support: | |
745 | FLOAT | |
746 | { lang_float(true); } | |
747 | | NOFLOAT | |
3d2b83ea | 748 | { lang_float(false); } |
2fa0b342 DHW |
749 | ; |
750 | ||
751 | ||
3d2b83ea | 752 | mustbe_exp: { ldlex_expression(); } |
9d1fe8a4 SC |
753 | exp |
754 | { ldlex_popstate(); $$=$2;} | |
755 | ; | |
2fa0b342 DHW |
756 | |
757 | exp : | |
3d2b83ea | 758 | '-' exp %prec UNARY |
2fa0b342 | 759 | { $$ = exp_unop('-', $2); } |
9d1fe8a4 | 760 | | '(' exp ')' |
2fa0b342 DHW |
761 | { $$ = $2; } |
762 | | NEXT '(' exp ')' %prec UNARY | |
763 | { $$ = exp_unop($1,$3); } | |
3d2b83ea | 764 | | '!' exp %prec UNARY |
2fa0b342 | 765 | { $$ = exp_unop('!', $2); } |
3d2b83ea | 766 | | '+' exp %prec UNARY |
2fa0b342 | 767 | { $$ = $2; } |
3d2b83ea | 768 | | '~' exp %prec UNARY |
2fa0b342 DHW |
769 | { $$ = exp_unop('~', $2);} |
770 | ||
771 | | exp '*' exp | |
772 | { $$ = exp_binop('*', $1, $3); } | |
773 | | exp '/' exp | |
774 | { $$ = exp_binop('/', $1, $3); } | |
775 | | exp '%' exp | |
776 | { $$ = exp_binop('%', $1, $3); } | |
777 | | exp '+' exp | |
778 | { $$ = exp_binop('+', $1, $3); } | |
779 | | exp '-' exp | |
3d2b83ea | 780 | { $$ = exp_binop('-' , $1, $3); } |
2fa0b342 DHW |
781 | | exp LSHIFT exp |
782 | { $$ = exp_binop(LSHIFT , $1, $3); } | |
783 | | exp RSHIFT exp | |
784 | { $$ = exp_binop(RSHIFT , $1, $3); } | |
785 | | exp EQ exp | |
786 | { $$ = exp_binop(EQ , $1, $3); } | |
787 | | exp NE exp | |
788 | { $$ = exp_binop(NE , $1, $3); } | |
789 | | exp LE exp | |
790 | { $$ = exp_binop(LE , $1, $3); } | |
3d2b83ea | 791 | | exp GE exp |
2fa0b342 DHW |
792 | { $$ = exp_binop(GE , $1, $3); } |
793 | | exp '<' exp | |
794 | { $$ = exp_binop('<' , $1, $3); } | |
795 | | exp '>' exp | |
796 | { $$ = exp_binop('>' , $1, $3); } | |
797 | | exp '&' exp | |
798 | { $$ = exp_binop('&' , $1, $3); } | |
799 | | exp '^' exp | |
800 | { $$ = exp_binop('^' , $1, $3); } | |
801 | | exp '|' exp | |
802 | { $$ = exp_binop('|' , $1, $3); } | |
803 | | exp '?' exp ':' exp | |
804 | { $$ = exp_trinop('?' , $1, $3, $5); } | |
805 | | exp ANDAND exp | |
806 | { $$ = exp_binop(ANDAND , $1, $3); } | |
807 | | exp OROR exp | |
808 | { $$ = exp_binop(OROR , $1, $3); } | |
809 | | DEFINED '(' NAME ')' | |
810 | { $$ = exp_nameop(DEFINED, $3); } | |
811 | | INT | |
812 | { $$ = exp_intop($1); } | |
3d2b83ea | 813 | | SIZEOF_HEADERS |
65c552e3 | 814 | { $$ = exp_nameop(SIZEOF_HEADERS,0); } |
2fa0b342 | 815 | |
3d2b83ea | 816 | | SIZEOF '(' NAME ')' |
f177a611 | 817 | { $$ = exp_nameop(SIZEOF,$3); } |
2fa0b342 | 818 | | ADDR '(' NAME ')' |
f177a611 | 819 | { $$ = exp_nameop(ADDR,$3); } |
ae475b39 SC |
820 | | ABSOLUTE '(' exp ')' |
821 | { $$ = exp_unop(ABSOLUTE, $3); } | |
2fa0b342 | 822 | | ALIGN_K '(' exp ')' |
f177a611 | 823 | { $$ = exp_unop(ALIGN_K,$3); } |
2fa0b342 DHW |
824 | | NAME |
825 | { $$ = exp_nameop(NAME,$1); } | |
826 | ; | |
827 | ||
828 | ||
9fce28ed SC |
829 | opt_at: |
830 | AT '(' exp ')' { $$ = $3; } | |
831 | | { $$ = 0; } | |
832 | ; | |
2fa0b342 | 833 | |
3d2b83ea | 834 | section: NAME { ldlex_expression(); } |
9fce28ed SC |
835 | opt_exp_with_type |
836 | opt_at { ldlex_popstate(); } | |
dadd414a | 837 | '{' |
9fce28ed SC |
838 | { |
839 | lang_enter_output_section_statement($1,$3,typebits,0,0,0,$4); | |
840 | } | |
8ddef552 | 841 | statement_list_opt |
dadd414a | 842 | '}' {ldlex_expression();} fill_opt memspec_opt |
2fa0b342 | 843 | { |
e14a43bf | 844 | ldlex_popstate(); |
9fce28ed | 845 | lang_leave_output_section_statement($11, $12); |
2fa0b342 | 846 | } |
e14a43bf | 847 | opt_comma |
2fa0b342 DHW |
848 | |
849 | ; | |
850 | ||
dadd414a SC |
851 | type: |
852 | NOLOAD { typebits = SEC_NEVER_LOAD; } | |
853 | | DSECT { typebits = 0; } | |
854 | | COPY { typebits = 0; } | |
855 | | INFO { typebits = 0; } | |
856 | | OVERLAY { typebits = 0; } | |
857 | | { typebits = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS; } | |
f177a611 JG |
858 | ; |
859 | ||
6812f0e8 | 860 | |
dadd414a | 861 | opt_exp_with_type: |
9fce28ed SC |
862 | exp ':' { $$ = $1; typebits =0;} |
863 | | exp '(' type ')' ':' { $$ = $1; } | |
864 | | ':' { $$= (etree_type *)NULL; typebits = 0; } | |
865 | | '(' type ')' ':' { $$= (etree_type *)NULL; } | |
2fa0b342 DHW |
866 | ; |
867 | ||
2fa0b342 | 868 | memspec_opt: |
9d1fe8a4 | 869 | '>' NAME |
2fa0b342 DHW |
870 | { $$ = $2; } |
871 | | { $$ = "*default*"; } | |
872 | ; | |
3d2b83ea SC |
873 | %% |
874 | void | |
875 | yyerror(arg) | |
876 | char *arg; | |
877 | { | |
878 | if (error_index> 0 && error_index < ERROR_NAME_MAX) | |
879 | einfo("%P%F: %S syntax error in %s\n",error_names[error_index-1]); | |
880 | else | |
881 | einfo("%P%F: %S syntax error\n"); | |
882 | } |