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