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