Commit | Line | Data |
---|---|---|
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" | |
fcf276c4 ILT |
37 | #include "ldsym.h" |
38 | #include "ldmain.h" | |
3d2b83ea | 39 | #include "mri.h" |
fcf276c4 | 40 | #include "ldlex.h" |
f177a611 | 41 | |
2fa0b342 DHW |
42 | #define YYDEBUG 1 |
43 | ||
dadd414a | 44 | static int typebits; |
d646b568 SC |
45 | strip_symbols_type strip_symbols=STRIP_NONE; |
46 | discard_locals_type discard_locals=DISCARD_NONE; | |
2fa0b342 | 47 | |
f651733a | 48 | static char *dirlist_ptr; |
2fa0b342 DHW |
49 | |
50 | lang_memory_region_type *region; | |
51 | ||
52 | ||
2fa0b342 DHW |
53 | char *current_file; |
54 | boolean ldgram_want_filename = true; | |
55 | boolean had_script = false; | |
56 | boolean force_make_executable = false; | |
1d45ccb3 | 57 | |
1418c83b | 58 | boolean ldgram_in_script = false; |
1d45ccb3 | 59 | boolean ldgram_had_equals = false; |
2fa0b342 DHW |
60 | |
61 | ||
3d2b83ea SC |
62 | #define ERROR_NAME_MAX 20 |
63 | static char *error_names[ERROR_NAME_MAX]; | |
64 | static int error_index; | |
65 | #define PUSH_ERROR(x) if (error_index < ERROR_NAME_MAX) error_names[error_index] = x; error_index++; | |
66 | #define POP_ERROR() error_index--; | |
2fa0b342 DHW |
67 | %} |
68 | %union { | |
69 | bfd_vma integer; | |
70 | int voidval; | |
71 | char *name; | |
72 | int token; | |
73 | union etree_union *etree; | |
8ddef552 | 74 | struct sec *section; |
2fa0b342 DHW |
75 | struct lang_output_section_statement_struct *output_section_statement; |
76 | union lang_statement_union **statement_ptr; | |
77 | int lineno; | |
78 | struct { | |
79 | FILE *file; | |
80 | char *name; | |
81 | unsigned int lineno; | |
82 | } state; | |
83 | ||
84 | ||
85 | } | |
86 | ||
9fce28ed | 87 | %type <etree> exp opt_exp_with_type mustbe_exp opt_at |
dadd414a | 88 | %type <integer> fill_opt |
2fa0b342 | 89 | %type <name> memspec_opt |
6812f0e8 | 90 | %token <integer> INT |
2fa0b342 DHW |
91 | %token <name> NAME |
92 | %type <integer> length | |
93 | ||
a37cc0c0 | 94 | %right <token> PLUSEQ MINUSEQ MULTEQ DIVEQ '=' LSHIFTEQ RSHIFTEQ ANDEQ OREQ |
2fa0b342 DHW |
95 | %right <token> '?' ':' |
96 | %left <token> OROR | |
97 | %left <token> ANDAND | |
98 | %left <token> '|' | |
99 | %left <token> '^' | |
100 | %left <token> '&' | |
101 | %left <token> EQ NE | |
102 | %left <token> '<' '>' LE GE | |
103 | %left <token> LSHIFT RSHIFT | |
6812f0e8 | 104 | |
2fa0b342 DHW |
105 | %left <token> '+' '-' |
106 | %left <token> '*' '/' '%' | |
6812f0e8 SC |
107 | |
108 | /*%token <token> '+' '-' '*' '/' '%'*/ | |
2fa0b342 | 109 | %right UNARY |
2e38b71d | 110 | %token END |
2fa0b342 DHW |
111 | %left <token> '(' |
112 | %token <token> ALIGN_K BLOCK LONG SHORT BYTE | |
113 | %token SECTIONS | |
114 | %token '{' '}' | |
6812f0e8 SC |
115 | %token SIZEOF_HEADERS OUTPUT_FORMAT FORCE_COMMON_ALLOCATION OUTPUT_ARCH |
116 | %token SIZEOF_HEADERS | |
dadd414a | 117 | %token INCLUDE |
e14a43bf | 118 | %token MEMORY DEFSYMEND |
f177a611 | 119 | %token NOLOAD DSECT COPY INFO OVERLAY |
2fa0b342 | 120 | %token NAME DEFINED TARGET_K SEARCH_DIR MAP ENTRY |
f651733a | 121 | %token OPTION_e OPTION_c OPTION_noinhibit_exec OPTION_s OPTION_S OPTION_sort_common OPTION_warn_common |
de87cdb4 DM |
122 | %token OPTION_EB OPTION_EL OPTION_G OPTION_Gval OPTION_help |
123 | %token OPTION_format OPTION_oformat OPTION_F OPTION_u OPTION_Bstatic OPTION_N | |
6812f0e8 | 124 | %token <integer> SIZEOF NEXT ADDR |
a37cc0c0 | 125 | %token OPTION_d OPTION_dc OPTION_dp OPTION_x OPTION_X OPTION_defsym |
8ddef552 | 126 | %token OPTION_v OPTION_V OPTION_m OPTION_memul OPTION_M OPTION_t STARTUP HLL SYSLIB FLOAT NOFLOAT |
fe619ced | 127 | %token OPTION_L OPTION_Map |
de87cdb4 | 128 | %token OPTION_n OPTION_r OPTION_o OPTION_b OPTION_R OPTION_relax OPTION_version |
fe619ced ILT |
129 | %token <name> OPTION_l OPTION_Lfile OPTION_T OPTION_Aarch OPTION_Tfile |
130 | %token <name> OPTION_Texp OPTION_y | |
2fa0b342 DHW |
131 | %token OPTION_Ur |
132 | %token ORIGIN FILL OPTION_g | |
dadd414a | 133 | %token LENGTH CREATE_OBJECT_SYMBOLS INPUT OUTPUT CONSTRUCTORS |
9fce28ed | 134 | %token OPTION_RETAIN_SYMBOLS_FILE ALIGNMOD AT |
f651733a | 135 | %token OPTION_Qy OPTION_Y OPTION_dn OPTION_call_shared OPTION_non_shared |
fcf276c4 | 136 | %token OPTION_Oval |
f651733a | 137 | %token <name> OPTION_YP |
dadd414a | 138 | |
6812f0e8 SC |
139 | %type <token> assign_op |
140 | ||
2fa0b342 DHW |
141 | %type <name> filename |
142 | ||
3d2b83ea | 143 | |
e14a43bf | 144 | %token CHIP LIST SECT ABSOLUTE LOAD NEWLINE ENDWORD ORDER NAMEWORD |
dadd414a | 145 | %token FORMAT PUBLIC DEFSYMEND BASE ALIAS TRUNCATE |
3d2b83ea | 146 | |
2fa0b342 DHW |
147 | %% |
148 | ||
2fa0b342 DHW |
149 | file: command_line { lang_final(); }; |
150 | ||
9d1fe8a4 SC |
151 | |
152 | filename: NAME; | |
2fa0b342 | 153 | |
76971f0d | 154 | |
2fa0b342 DHW |
155 | command_line: |
156 | command_line command_line_option | |
157 | | | |
158 | ; | |
159 | ||
160 | command_line_option: | |
9d1fe8a4 | 161 | OPTION_Bstatic { } |
de87cdb4 DM |
162 | | OPTION_help |
163 | { | |
164 | help (); | |
165 | exit (0); | |
166 | } | |
1418c83b | 167 | | OPTION_v |
2fa0b342 | 168 | { |
76971f0d | 169 | ldversion(0); |
2fa0b342 | 170 | } |
c611e285 SC |
171 | | OPTION_V |
172 | { | |
76971f0d | 173 | ldversion(1); |
bbd2521f | 174 | trace_file_tries = true; |
c611e285 | 175 | } |
de87cdb4 DM |
176 | | OPTION_version |
177 | { | |
178 | ldversion(0); | |
179 | exit(0); | |
180 | } | |
2fa0b342 DHW |
181 | | OPTION_t { |
182 | trace_files = true; | |
183 | } | |
2e2bf962 SC |
184 | | OPTION_Map NAME |
185 | { | |
186 | write_map = true; | |
187 | config.map_filename = $2; | |
188 | } | |
8ddef552 DM |
189 | | OPTION_m NAME |
190 | { | |
191 | /* Ignore. */ | |
192 | } | |
193 | | OPTION_memul | |
194 | { | |
195 | /* Ignore. */ | |
196 | } | |
9fce28ed SC |
197 | | OPTION_M |
198 | { | |
199 | config.map_filename = "-"; | |
200 | } | |
2fa0b342 DHW |
201 | | OPTION_n { |
202 | config.magic_demand_paged = false; | |
2fa0b342 | 203 | } |
f177a611 | 204 | | OPTION_N { |
c611e285 | 205 | config.text_read_only = false; |
f177a611 JG |
206 | config.magic_demand_paged = false; |
207 | } | |
2fa0b342 DHW |
208 | | OPTION_s { |
209 | strip_symbols = STRIP_ALL; | |
210 | } | |
211 | | OPTION_S { | |
212 | strip_symbols = STRIP_DEBUGGER; | |
213 | } | |
1418c83b SC |
214 | | OPTION_u NAME { |
215 | ldlang_add_undef($2); | |
216 | } | |
217 | ||
2fa0b342 DHW |
218 | | OPTION_r { |
219 | config.relocateable_output = true; | |
220 | config.build_constructors = false; | |
221 | config.magic_demand_paged = false; | |
c611e285 | 222 | config.text_read_only = false; |
2fa0b342 DHW |
223 | } |
224 | | OPTION_Ur { | |
225 | config.relocateable_output = true; | |
226 | config.build_constructors = true; | |
227 | config.magic_demand_paged = false; | |
c611e285 | 228 | config.text_read_only = false; |
2fa0b342 DHW |
229 | } |
230 | | OPTION_o filename | |
231 | { | |
f651733a | 232 | lang_add_output($2, 0); |
2fa0b342 DHW |
233 | } |
234 | | OPTION_e NAME | |
235 | { lang_add_entry($2); | |
236 | } | |
237 | | OPTION_X { | |
238 | discard_locals = DISCARD_L; | |
239 | } | |
240 | | OPTION_x { | |
241 | discard_locals = DISCARD_ALL; | |
242 | } | |
243 | ||
244 | | OPTION_noinhibit_exec | |
245 | { | |
246 | force_make_executable = true; | |
247 | } | |
de87cdb4 DM |
248 | | OPTION_sort_common |
249 | { | |
250 | config.sort_common = true; | |
251 | } | |
f651733a ILT |
252 | | OPTION_warn_common |
253 | { | |
254 | config.warn_common = true; | |
255 | } | |
1418c83b | 256 | | OPTION_d { |
2fa0b342 DHW |
257 | command_line.force_common_definition = true; |
258 | } | |
c611e285 SC |
259 | |
260 | | OPTION_relax { | |
261 | command_line.relax = true; | |
262 | } | |
1418c83b | 263 | | OPTION_dc |
2fa0b342 DHW |
264 | { |
265 | command_line.force_common_definition = true; | |
266 | } | |
267 | | OPTION_g | |
268 | { | |
269 | /* Ignored */ | |
270 | } | |
1418c83b | 271 | | OPTION_dp |
2fa0b342 DHW |
272 | { |
273 | command_line.force_common_definition = true; | |
274 | } | |
1418c83b | 275 | | OPTION_format NAME |
7ca04d28 SC |
276 | { |
277 | lang_add_target($2); | |
278 | } | |
de87cdb4 DM |
279 | | OPTION_oformat NAME |
280 | { | |
281 | lang_add_output_format($2, 0); | |
282 | } | |
de7c1ff6 | 283 | | OPTION_Texp |
e14a43bf | 284 | { ldlex_expression(); |
9d1fe8a4 | 285 | hex_mode = 16; |
1418c83b SC |
286 | } |
287 | INT | |
e14a43bf | 288 | { ldlex_popstate(); |
1418c83b | 289 | lang_section_start($1,exp_intop($3)); |
9d1fe8a4 | 290 | hex_mode = 0; |
1418c83b | 291 | } |
dadd414a SC |
292 | | OPTION_y |
293 | { | |
294 | add_ysym($1); | |
295 | } | |
7ca04d28 | 296 | | OPTION_Aarch |
1418c83b SC |
297 | { |
298 | ldfile_add_arch($1); | |
299 | } | |
7ca04d28 | 300 | | OPTION_b NAME |
2fa0b342 DHW |
301 | { |
302 | lang_add_target($2); | |
303 | } | |
fe619ced ILT |
304 | | OPTION_L NAME |
305 | { | |
306 | ldfile_add_library_path($2); | |
307 | } | |
308 | | OPTION_Lfile | |
2fa0b342 DHW |
309 | { |
310 | ldfile_add_library_path($1); | |
1418c83b | 311 | } |
7ca04d28 SC |
312 | | OPTION_F |
313 | { | |
314 | /* Ignore */ | |
315 | } | |
f177a611 | 316 | | OPTION_c filename |
de87cdb4 DM |
317 | {ldfile_open_command_file($2); } |
318 | mri_script_file END { ldlex_command();} | |
9d1fe8a4 | 319 | |
1418c83b SC |
320 | | OPTION_Tfile |
321 | { ldfile_open_command_file($1); } script_file | |
3d2b83ea | 322 | END { ldlex_command();} |
2fa0b342 | 323 | |
1418c83b SC |
324 | | OPTION_T filename |
325 | { ldfile_open_command_file($2); } script_file | |
dadd414a | 326 | END { ldlex_command();} |
2fa0b342 DHW |
327 | |
328 | | OPTION_l | |
329 | { | |
330 | lang_add_input_file($1, | |
331 | lang_input_file_is_l_enum, | |
332 | (char *)NULL); | |
333 | } | |
1418c83b | 334 | | OPTION_R filename |
2fa0b342 DHW |
335 | { |
336 | lang_add_input_file($2, | |
337 | lang_input_file_is_symbols_only_enum, | |
338 | (char *)NULL); | |
339 | } | |
e14a43bf SC |
340 | |
341 | | OPTION_defsym { ldlex_defsym(); } | |
342 | NAME '=' exp DEFSYMEND { ldlex_popstate(); | |
1d45ccb3 | 343 | lang_add_assignment(exp_assop($4,$3,$5)); |
dadd414a SC |
344 | } |
345 | | OPTION_RETAIN_SYMBOLS_FILE filename | |
346 | { lang_add_keepsyms_file ($2); } | |
9fce28ed SC |
347 | | OPTION_EB |
348 | { | |
349 | /* FIXME: This is currently ignored. It means | |
350 | ``produce a big-endian object file''. It could | |
351 | be used to select an output format. */ | |
352 | } | |
353 | | OPTION_EL | |
354 | { | |
355 | /* FIXME: This is currently ignored. It means | |
356 | ``produce a little-endian object file''. It could | |
357 | be used to select an output format. */ | |
358 | } | |
8ddef552 DM |
359 | | OPTION_G NAME |
360 | { | |
361 | g_switch_value = atoi ($2); | |
362 | } | |
363 | | OPTION_Gval | |
364 | { | |
365 | g_switch_value = yylval.integer; | |
366 | } | |
f651733a ILT |
367 | | OPTION_Qy |
368 | | OPTION_dn | |
369 | | OPTION_non_shared | |
370 | | OPTION_call_shared | |
fcf276c4 | 371 | | OPTION_Oval |
f651733a ILT |
372 | | OPTION_YP |
373 | { | |
374 | dirlist_ptr = $1; | |
375 | goto set_default_dirlist; | |
376 | } | |
377 | | OPTION_Y NAME | |
378 | { | |
379 | if (strncmp ($2, "P,", 2)) | |
380 | einfo ("%P%F: unknown -Y option -- %s\n", $2); | |
381 | else | |
382 | { | |
383 | char *p = ""; | |
384 | dirlist_ptr = $2; | |
385 | set_default_dirlist: | |
386 | while (p != 0) | |
387 | { | |
388 | p = strchr (dirlist_ptr, ':'); | |
389 | if (p) | |
390 | *p = 0; | |
391 | if (*dirlist_ptr) | |
392 | ldfile_add_library_path (dirlist_ptr); | |
393 | if (p) | |
394 | { | |
395 | *p = ':'; | |
396 | dirlist_ptr = p + 1; | |
397 | } | |
398 | } | |
399 | } | |
400 | } | |
401 | | '{' script_file '}' { /* This parses compiled-in scripts. */ } | |
8ddef552 | 402 | | NAME |
2de8edce DM |
403 | { |
404 | if (*$1 == '-') | |
405 | einfo("%P%F: illegal option -- %s\n", $1); | |
406 | else | |
407 | lang_add_input_file($1,lang_input_file_is_file_enum, | |
408 | (char *)NULL); | |
409 | } | |
2fa0b342 DHW |
410 | ; |
411 | ||
412 | ||
3d2b83ea SC |
413 | /* SYNTAX WITHIN AN MRI SCRIPT FILE */ |
414 | mri_script_file: | |
415 | { ldlex_mri_script(); | |
416 | PUSH_ERROR("MRI style script"); | |
417 | } | |
418 | mri_script_lines | |
419 | { ldlex_popstate(); | |
420 | POP_ERROR(); | |
421 | } | |
422 | ; | |
2fa0b342 | 423 | |
3d2b83ea | 424 | mri_script_lines: |
2e38b71d SC |
425 | mri_script_lines mri_script_command NEWLINE |
426 | | | |
3d2b83ea | 427 | ; |
2fa0b342 | 428 | |
2e38b71d | 429 | mri_script_command: |
3d2b83ea SC |
430 | CHIP exp |
431 | | CHIP exp ',' exp | |
432 | | NAME { | |
2e38b71d | 433 | einfo("%P%F: unrecognised keyword in MRI style script '%s'\n",$1); |
3d2b83ea SC |
434 | } |
435 | | LIST { | |
436 | write_map = true; | |
437 | config.map_filename = "-"; | |
438 | } | |
2e38b71d SC |
439 | | ORDER ordernamelist |
440 | | ENDWORD | |
e14a43bf SC |
441 | | PUBLIC NAME '=' exp |
442 | { mri_public($2, $4); } | |
443 | | PUBLIC NAME ',' exp | |
444 | { mri_public($2, $4); } | |
445 | | PUBLIC NAME exp | |
446 | { mri_public($2, $3); } | |
2e38b71d SC |
447 | | FORMAT NAME |
448 | { mri_format($2); } | |
449 | | SECT NAME ',' exp | |
3d2b83ea SC |
450 | { mri_output_section($2, $4);} |
451 | | SECT NAME exp | |
452 | { mri_output_section($2, $3);} | |
453 | | SECT NAME '=' exp | |
454 | { mri_output_section($2, $4);} | |
dadd414a SC |
455 | | ALIGN_K NAME '=' exp |
456 | { mri_align($2,$4); } | |
457 | | ALIGNMOD NAME '=' exp | |
458 | { mri_alignmod($2,$4); } | |
3d2b83ea SC |
459 | | ABSOLUTE mri_abs_name_list |
460 | | LOAD mri_load_name_list | |
2e38b71d SC |
461 | | NAMEWORD NAME |
462 | { mri_name($2); } | |
e14a43bf SC |
463 | | ALIAS NAME ',' NAME |
464 | { mri_alias($2,$4,0);} | |
465 | | ALIAS NAME ',' INT | |
466 | { mri_alias($2,0,$4);} | |
467 | | BASE exp | |
468 | { mri_base($2); } | |
dadd414a SC |
469 | | TRUNCATE INT |
470 | { mri_truncate($2); } | |
2e38b71d SC |
471 | | |
472 | ; | |
473 | ||
474 | ordernamelist: | |
475 | ordernamelist ',' NAME { mri_order($3); } | |
476 | | ordernamelist NAME { mri_order($2); } | |
477 | | | |
3d2b83ea | 478 | ; |
2fa0b342 | 479 | |
3d2b83ea SC |
480 | mri_load_name_list: |
481 | NAME | |
482 | { mri_load($1); } | |
483 | | mri_load_name_list ',' NAME { mri_load($3); } | |
484 | ; | |
1418c83b | 485 | |
3d2b83ea SC |
486 | mri_abs_name_list: |
487 | NAME | |
488 | { mri_only_load($1); } | |
489 | | mri_abs_name_list ',' NAME | |
490 | { mri_only_load($3); } | |
491 | ; | |
1418c83b | 492 | |
3d2b83ea | 493 | script_file: |
9d1fe8a4 SC |
494 | { |
495 | ldlex_both(); | |
496 | } | |
3d2b83ea | 497 | ifile_list |
9d1fe8a4 SC |
498 | { |
499 | ldlex_popstate(); | |
500 | } | |
1418c83b SC |
501 | ; |
502 | ||
503 | ||
504 | ifile_list: | |
3d2b83ea | 505 | ifile_list ifile_p1 |
13a0e8d7 | 506 | | |
2fa0b342 DHW |
507 | ; |
508 | ||
509 | ||
510 | ||
511 | ifile_p1: | |
512 | memory | |
513 | | sections | |
514 | | startup | |
515 | | high_level_library | |
516 | | low_level_library | |
517 | | floating_point_support | |
ac004870 | 518 | | statement_anywhere |
9d1fe8a4 | 519 | | ';' |
2fa0b342 DHW |
520 | | TARGET_K '(' NAME ')' |
521 | { lang_add_target($3); } | |
522 | | SEARCH_DIR '(' filename ')' | |
523 | { ldfile_add_library_path($3); } | |
524 | | OUTPUT '(' filename ')' | |
f651733a ILT |
525 | { lang_add_output($3, 1); } |
526 | | OUTPUT_FORMAT '(' NAME ')' | |
de87cdb4 | 527 | { lang_add_output_format($3, 1); } |
f651733a | 528 | | OUTPUT_ARCH '(' NAME ')' |
a37cc0c0 | 529 | { ldfile_set_output_arch($3); } |
13a0e8d7 SC |
530 | | FORCE_COMMON_ALLOCATION |
531 | { command_line.force_common_definition = true ; } | |
2fa0b342 DHW |
532 | | INPUT '(' input_list ')' |
533 | | MAP '(' filename ')' | |
534 | { lang_add_map($3); } | |
dadd414a SC |
535 | | INCLUDE filename |
536 | { ldfile_open_command_file($2); } ifile_list END | |
2fa0b342 DHW |
537 | ; |
538 | ||
539 | input_list: | |
540 | NAME | |
f651733a | 541 | { lang_add_input_file($1,lang_input_file_is_search_file_enum, |
2fa0b342 DHW |
542 | (char *)NULL); } |
543 | | input_list ',' NAME | |
f651733a | 544 | { lang_add_input_file($3,lang_input_file_is_search_file_enum, |
2fa0b342 | 545 | (char *)NULL); } |
3d2b83ea | 546 | | input_list NAME |
f651733a | 547 | { lang_add_input_file($2,lang_input_file_is_search_file_enum, |
2fa0b342 DHW |
548 | (char *)NULL); } |
549 | ; | |
550 | ||
551 | sections: | |
3d2b83ea | 552 | SECTIONS '{' sec_or_group_p1 '}' |
2fa0b342 DHW |
553 | ; |
554 | ||
555 | sec_or_group_p1: | |
556 | sec_or_group_p1 section | |
557 | | sec_or_group_p1 statement_anywhere | |
558 | | | |
559 | ; | |
560 | ||
561 | statement_anywhere: | |
562 | ENTRY '(' NAME ')' | |
563 | { lang_add_entry($3); } | |
564 | | assignment end | |
565 | ; | |
566 | ||
1418c83b SC |
567 | file_NAME_list: |
568 | NAME | |
569 | { lang_add_wild($1, current_file); } | |
3d2b83ea | 570 | | file_NAME_list opt_comma NAME |
1418c83b SC |
571 | { lang_add_wild($3, current_file); } |
572 | ; | |
573 | ||
574 | input_section_spec: | |
575 | NAME | |
576 | { | |
577 | lang_add_wild((char *)NULL, $1); | |
578 | } | |
3d2b83ea | 579 | | '[' |
1418c83b SC |
580 | { |
581 | current_file = (char *)NULL; | |
582 | } | |
3d2b83ea SC |
583 | file_NAME_list |
584 | ']' | |
1418c83b SC |
585 | | NAME |
586 | { | |
3d2b83ea SC |
587 | current_file =$1; |
588 | } | |
1418c83b | 589 | '(' file_NAME_list ')' |
3d2b83ea SC |
590 | | '*' |
591 | { | |
1418c83b | 592 | current_file = (char *)NULL; |
3d2b83ea | 593 | } |
1418c83b SC |
594 | '(' file_NAME_list ')' |
595 | ; | |
596 | ||
2fa0b342 | 597 | statement: |
9fce28ed SC |
598 | assignment end |
599 | | CREATE_OBJECT_SYMBOLS | |
13a0e8d7 | 600 | { |
9fce28ed SC |
601 | lang_add_attribute(lang_object_symbols_statement_enum); |
602 | } | |
603 | | ';' | |
604 | | CONSTRUCTORS | |
f177a611 | 605 | { |
3d2b83ea | 606 | |
9fce28ed SC |
607 | lang_add_attribute(lang_constructors_statement_enum); |
608 | } | |
609 | | input_section_spec | |
610 | | length '(' exp ')' | |
2fa0b342 | 611 | { |
9fce28ed | 612 | lang_add_data($1,$3); |
2fa0b342 DHW |
613 | } |
614 | ||
9fce28ed | 615 | | FILL '(' exp ')' |
2fa0b342 DHW |
616 | { |
617 | lang_add_fill | |
9fce28ed | 618 | (exp_get_value_int($3, |
2fa0b342 DHW |
619 | 0, |
620 | "fill value", | |
9fce28ed | 621 | lang_first_phase_enum)); |
2fa0b342 | 622 | } |
2fa0b342 DHW |
623 | ; |
624 | ||
9fce28ed SC |
625 | statement_list: |
626 | statement_list statement | |
627 | | statement | |
628 | ; | |
629 | ||
8ddef552 DM |
630 | statement_list_opt: |
631 | /* empty */ | |
632 | | statement_list | |
633 | ; | |
634 | ||
2fa0b342 | 635 | length: |
3d2b83ea | 636 | LONG |
2fa0b342 | 637 | { $$ = $1; } |
3d2b83ea | 638 | | SHORT |
2fa0b342 | 639 | { $$ = $1; } |
3d2b83ea | 640 | | BYTE |
2fa0b342 DHW |
641 | { $$ = $1; } |
642 | ; | |
643 | ||
644 | fill_opt: | |
9d1fe8a4 | 645 | '=' mustbe_exp |
2fa0b342 DHW |
646 | { |
647 | $$ = exp_get_value_int($2, | |
648 | 0, | |
649 | "fill value", | |
3d2b83ea | 650 | lang_first_phase_enum); |
2fa0b342 | 651 | } |
3d2b83ea | 652 | | { $$ = 0; } |
2fa0b342 DHW |
653 | ; |
654 | ||
655 | ||
656 | ||
657 | assign_op: | |
658 | PLUSEQ | |
659 | { $$ = '+'; } | |
3d2b83ea | 660 | | MINUSEQ |
2fa0b342 DHW |
661 | { $$ = '-'; } |
662 | | MULTEQ | |
663 | { $$ = '*'; } | |
664 | | DIVEQ | |
665 | { $$ = '/'; } | |
666 | | LSHIFTEQ | |
667 | { $$ = LSHIFT; } | |
668 | | RSHIFTEQ | |
669 | { $$ = RSHIFT; } | |
670 | | ANDEQ | |
671 | { $$ = '&'; } | |
672 | | OREQ | |
673 | { $$ = '|'; } | |
674 | ||
675 | ; | |
676 | ||
9d1fe8a4 | 677 | end: ';' | ',' |
2fa0b342 DHW |
678 | ; |
679 | ||
2fa0b342 DHW |
680 | |
681 | assignment: | |
3d2b83ea | 682 | NAME '=' mustbe_exp |
2fa0b342 DHW |
683 | { |
684 | lang_add_assignment(exp_assop($2,$1,$3)); | |
685 | } | |
3d2b83ea | 686 | | NAME assign_op mustbe_exp |
2fa0b342 | 687 | { |
3d2b83ea SC |
688 | |
689 | lang_add_assignment(exp_assop('=',$1,exp_binop($2,exp_nameop(NAME,$1),$3))); | |
2fa0b342 DHW |
690 | } |
691 | ||
692 | ; | |
693 | ||
694 | ||
695 | opt_comma: | |
696 | ',' | ; | |
697 | ||
698 | ||
699 | memory: | |
3d2b83ea | 700 | MEMORY '{' memory_spec memory_spec_list '}' |
2fa0b342 DHW |
701 | ; |
702 | ||
703 | memory_spec_list: | |
3d2b83ea | 704 | memory_spec_list memory_spec |
2fa0b342 DHW |
705 | | memory_spec_list ',' memory_spec |
706 | | | |
707 | ; | |
708 | ||
709 | ||
3d2b83ea | 710 | memory_spec: NAME |
2fa0b342 | 711 | { region = lang_memory_region_lookup($1); } |
3d2b83ea | 712 | attributes_opt ':' |
9d1fe8a4 | 713 | origin_spec opt_comma length_spec |
2fa0b342 | 714 | |
3d2b83ea | 715 | ; origin_spec: |
9d1fe8a4 | 716 | ORIGIN '=' mustbe_exp |
2fa0b342 DHW |
717 | { region->current = |
718 | region->origin = | |
3d2b83ea SC |
719 | exp_get_vma($3, 0L,"origin", lang_first_phase_enum); |
720 | } | |
721 | ; length_spec: | |
722 | LENGTH '=' mustbe_exp | |
723 | { region->length = exp_get_vma($3, | |
2fa0b342 DHW |
724 | ~((bfd_vma)0), |
725 | "length", | |
726 | lang_first_phase_enum); | |
727 | } | |
728 | ||
729 | ||
730 | attributes_opt: | |
731 | '(' NAME ')' | |
732 | { | |
733 | lang_set_flags(®ion->flags, $2); | |
734 | } | |
735 | | | |
736 | ||
737 | ; | |
738 | ||
739 | startup: | |
740 | STARTUP '(' filename ')' | |
741 | { lang_startup($3); } | |
742 | ; | |
743 | ||
744 | high_level_library: | |
3d2b83ea SC |
745 | HLL '(' high_level_library_NAME_list ')' |
746 | | HLL '(' ')' | |
2fa0b342 DHW |
747 | { ldemul_hll((char *)NULL); } |
748 | ; | |
749 | ||
750 | high_level_library_NAME_list: | |
3d2b83ea | 751 | high_level_library_NAME_list opt_comma filename |
2fa0b342 DHW |
752 | { ldemul_hll($3); } |
753 | | filename | |
754 | { ldemul_hll($1); } | |
755 | ||
756 | ; | |
757 | ||
758 | low_level_library: | |
759 | SYSLIB '(' low_level_library_NAME_list ')' | |
3d2b83ea | 760 | ; low_level_library_NAME_list: |
2fa0b342 | 761 | low_level_library_NAME_list opt_comma filename |
3d2b83ea | 762 | { ldemul_syslib($3); } |
2fa0b342 DHW |
763 | | |
764 | ; | |
765 | ||
766 | floating_point_support: | |
767 | FLOAT | |
768 | { lang_float(true); } | |
769 | | NOFLOAT | |
3d2b83ea | 770 | { lang_float(false); } |
2fa0b342 DHW |
771 | ; |
772 | ||
773 | ||
3d2b83ea | 774 | mustbe_exp: { ldlex_expression(); } |
9d1fe8a4 SC |
775 | exp |
776 | { ldlex_popstate(); $$=$2;} | |
777 | ; | |
2fa0b342 DHW |
778 | |
779 | exp : | |
3d2b83ea | 780 | '-' exp %prec UNARY |
2fa0b342 | 781 | { $$ = exp_unop('-', $2); } |
9d1fe8a4 | 782 | | '(' exp ')' |
2fa0b342 DHW |
783 | { $$ = $2; } |
784 | | NEXT '(' exp ')' %prec UNARY | |
785 | { $$ = exp_unop($1,$3); } | |
3d2b83ea | 786 | | '!' exp %prec UNARY |
2fa0b342 | 787 | { $$ = exp_unop('!', $2); } |
3d2b83ea | 788 | | '+' exp %prec UNARY |
2fa0b342 | 789 | { $$ = $2; } |
3d2b83ea | 790 | | '~' exp %prec UNARY |
2fa0b342 DHW |
791 | { $$ = exp_unop('~', $2);} |
792 | ||
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 | |
3d2b83ea | 802 | { $$ = exp_binop('-' , $1, $3); } |
2fa0b342 DHW |
803 | | exp LSHIFT exp |
804 | { $$ = exp_binop(LSHIFT , $1, $3); } | |
805 | | exp RSHIFT exp | |
806 | { $$ = exp_binop(RSHIFT , $1, $3); } | |
807 | | exp EQ exp | |
808 | { $$ = exp_binop(EQ , $1, $3); } | |
809 | | exp NE exp | |
810 | { $$ = exp_binop(NE , $1, $3); } | |
811 | | exp LE exp | |
812 | { $$ = exp_binop(LE , $1, $3); } | |
3d2b83ea | 813 | | exp GE exp |
2fa0b342 DHW |
814 | { $$ = exp_binop(GE , $1, $3); } |
815 | | exp '<' exp | |
816 | { $$ = exp_binop('<' , $1, $3); } | |
817 | | exp '>' exp | |
818 | { $$ = exp_binop('>' , $1, $3); } | |
819 | | exp '&' exp | |
820 | { $$ = exp_binop('&' , $1, $3); } | |
821 | | exp '^' exp | |
822 | { $$ = exp_binop('^' , $1, $3); } | |
823 | | exp '|' exp | |
824 | { $$ = exp_binop('|' , $1, $3); } | |
825 | | exp '?' exp ':' exp | |
826 | { $$ = exp_trinop('?' , $1, $3, $5); } | |
827 | | exp ANDAND exp | |
828 | { $$ = exp_binop(ANDAND , $1, $3); } | |
829 | | exp OROR exp | |
830 | { $$ = exp_binop(OROR , $1, $3); } | |
831 | | DEFINED '(' NAME ')' | |
832 | { $$ = exp_nameop(DEFINED, $3); } | |
833 | | INT | |
834 | { $$ = exp_intop($1); } | |
3d2b83ea | 835 | | SIZEOF_HEADERS |
65c552e3 | 836 | { $$ = exp_nameop(SIZEOF_HEADERS,0); } |
2fa0b342 | 837 | |
3d2b83ea | 838 | | SIZEOF '(' NAME ')' |
f177a611 | 839 | { $$ = exp_nameop(SIZEOF,$3); } |
2fa0b342 | 840 | | ADDR '(' NAME ')' |
f177a611 | 841 | { $$ = exp_nameop(ADDR,$3); } |
ae475b39 SC |
842 | | ABSOLUTE '(' exp ')' |
843 | { $$ = exp_unop(ABSOLUTE, $3); } | |
2fa0b342 | 844 | | ALIGN_K '(' exp ')' |
f177a611 | 845 | { $$ = exp_unop(ALIGN_K,$3); } |
2fa0b342 DHW |
846 | | NAME |
847 | { $$ = exp_nameop(NAME,$1); } | |
848 | ; | |
849 | ||
850 | ||
9fce28ed SC |
851 | opt_at: |
852 | AT '(' exp ')' { $$ = $3; } | |
853 | | { $$ = 0; } | |
854 | ; | |
2fa0b342 | 855 | |
3d2b83ea | 856 | section: NAME { ldlex_expression(); } |
9fce28ed SC |
857 | opt_exp_with_type |
858 | opt_at { ldlex_popstate(); } | |
dadd414a | 859 | '{' |
9fce28ed SC |
860 | { |
861 | lang_enter_output_section_statement($1,$3,typebits,0,0,0,$4); | |
862 | } | |
8ddef552 | 863 | statement_list_opt |
dadd414a | 864 | '}' {ldlex_expression();} fill_opt memspec_opt |
2fa0b342 | 865 | { |
e14a43bf | 866 | ldlex_popstate(); |
9fce28ed | 867 | lang_leave_output_section_statement($11, $12); |
2fa0b342 | 868 | } |
e14a43bf | 869 | opt_comma |
2fa0b342 DHW |
870 | |
871 | ; | |
872 | ||
dadd414a SC |
873 | type: |
874 | NOLOAD { typebits = SEC_NEVER_LOAD; } | |
875 | | DSECT { typebits = 0; } | |
876 | | COPY { typebits = 0; } | |
877 | | INFO { typebits = 0; } | |
878 | | OVERLAY { typebits = 0; } | |
879 | | { typebits = SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS; } | |
f177a611 JG |
880 | ; |
881 | ||
6812f0e8 | 882 | |
dadd414a | 883 | opt_exp_with_type: |
9fce28ed SC |
884 | exp ':' { $$ = $1; typebits =0;} |
885 | | exp '(' type ')' ':' { $$ = $1; } | |
886 | | ':' { $$= (etree_type *)NULL; typebits = 0; } | |
887 | | '(' type ')' ':' { $$= (etree_type *)NULL; } | |
2fa0b342 DHW |
888 | ; |
889 | ||
2fa0b342 | 890 | memspec_opt: |
9d1fe8a4 | 891 | '>' NAME |
2fa0b342 DHW |
892 | { $$ = $2; } |
893 | | { $$ = "*default*"; } | |
894 | ; | |
3d2b83ea SC |
895 | %% |
896 | void | |
897 | yyerror(arg) | |
898 | char *arg; | |
899 | { | |
900 | if (error_index> 0 && error_index < ERROR_NAME_MAX) | |
901 | einfo("%P%F: %S syntax error in %s\n",error_names[error_index-1]); | |
902 | else | |
903 | einfo("%P%F: %S syntax error\n"); | |
904 | } |