Commit | Line | Data |
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252b5132 RH |
1 | %{ /* deffilep.y - parser for .def files */ |
2 | ||
a35bc64f | 3 | /* Copyright 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003 |
db09f25b | 4 | Free Software Foundation, Inc. |
252b5132 | 5 | |
a35bc64f | 6 | This file is part of GNU Binutils. |
252b5132 | 7 | |
a35bc64f NC |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
252b5132 | 12 | |
a35bc64f NC |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
252b5132 | 17 | |
a35bc64f NC |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
20 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
252b5132 RH |
21 | |
22 | #include <stdio.h> | |
252b5132 | 23 | #include "libiberty.h" |
3882b010 | 24 | #include "safe-ctype.h" |
252b5132 RH |
25 | #include "bfd.h" |
26 | #include "sysdep.h" | |
27 | #include "ld.h" | |
28 | #include "ldmisc.h" | |
29 | #include "deffile.h" | |
30 | ||
31 | #define TRACE 0 | |
32 | ||
33 | #define ROUND_UP(a, b) (((a)+((b)-1))&~((b)-1)) | |
34 | ||
35 | /* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc), | |
36 | as well as gratuitiously global symbol names, so we can have multiple | |
37 | yacc generated parsers in ld. Note that these are only the variables | |
38 | produced by yacc. If other parser generators (bison, byacc, etc) produce | |
39 | additional global names that conflict at link time, then those parser | |
a35bc64f | 40 | generators need to be fixed instead of adding those names to this list. */ |
252b5132 RH |
41 | |
42 | #define yymaxdepth def_maxdepth | |
43 | #define yyparse def_parse | |
44 | #define yylex def_lex | |
45 | #define yyerror def_error | |
46 | #define yylval def_lval | |
47 | #define yychar def_char | |
48 | #define yydebug def_debug | |
49 | #define yypact def_pact | |
50 | #define yyr1 def_r1 | |
51 | #define yyr2 def_r2 | |
52 | #define yydef def_def | |
53 | #define yychk def_chk | |
54 | #define yypgo def_pgo | |
55 | #define yyact def_act | |
56 | #define yyexca def_exca | |
57 | #define yyerrflag def_errflag | |
58 | #define yynerrs def_nerrs | |
59 | #define yyps def_ps | |
60 | #define yypv def_pv | |
61 | #define yys def_s | |
62 | #define yy_yys def_yys | |
63 | #define yystate def_state | |
64 | #define yytmp def_tmp | |
65 | #define yyv def_v | |
66 | #define yy_yyv def_yyv | |
67 | #define yyval def_val | |
68 | #define yylloc def_lloc | |
a35bc64f NC |
69 | #define yyreds def_reds /* With YYDEBUG defined. */ |
70 | #define yytoks def_toks /* With YYDEBUG defined. */ | |
252b5132 RH |
71 | #define yylhs def_yylhs |
72 | #define yylen def_yylen | |
73 | #define yydefred def_yydefred | |
74 | #define yydgoto def_yydgoto | |
75 | #define yysindex def_yysindex | |
76 | #define yyrindex def_yyrindex | |
77 | #define yygindex def_yygindex | |
78 | #define yytable def_yytable | |
79 | #define yycheck def_yycheck | |
80 | ||
252b5132 RH |
81 | static void def_description PARAMS ((const char *)); |
82 | static void def_exports PARAMS ((const char *, const char *, int, int)); | |
83 | static void def_heapsize PARAMS ((int, int)); | |
a35bc64f | 84 | static void def_import PARAMS ((const char *, const char *, const char *, const char *, int)); |
252b5132 | 85 | static void def_library PARAMS ((const char *, int)); |
db09f25b | 86 | static def_file_module *def_stash_module PARAMS ((def_file *, const char *)); |
252b5132 RH |
87 | static void def_name PARAMS ((const char *, int)); |
88 | static void def_section PARAMS ((const char *, int)); | |
89 | static void def_section_alt PARAMS ((const char *, const char *)); | |
90 | static void def_stacksize PARAMS ((int, int)); | |
91 | static void def_version PARAMS ((int, int)); | |
92 | static void def_directive PARAMS ((char *)); | |
93 | static int def_parse PARAMS ((void)); | |
94 | static int def_error PARAMS ((const char *)); | |
948f9114 AJ |
95 | static void put_buf PARAMS ((char)); |
96 | static int def_getc PARAMS ((void)); | |
97 | static int def_ungetc PARAMS ((int)); | |
252b5132 RH |
98 | static int def_lex PARAMS ((void)); |
99 | ||
100 | static int lex_forced_token = 0; | |
101 | static const char *lex_parse_string = 0; | |
102 | static const char *lex_parse_string_end = 0; | |
103 | ||
104 | %} | |
105 | ||
106 | %union { | |
107 | char *id; | |
108 | int number; | |
109 | }; | |
110 | ||
7c9e78f8 DD |
111 | %token NAME, LIBRARY, DESCRIPTION, STACKSIZE, HEAPSIZE, CODE, DATAU, DATAL |
112 | %token SECTIONS, EXPORTS, IMPORTS, VERSIONK, BASE, CONSTANTU, CONSTANTL | |
113 | %token PRIVATEU, PRIVATEL | |
114 | %token READ WRITE EXECUTE SHARED NONAMEU NONAMEL DIRECTIVE | |
252b5132 RH |
115 | %token <id> ID |
116 | %token <number> NUMBER | |
117 | %type <number> opt_base opt_ordinal | |
118 | %type <number> attr attr_list opt_number exp_opt_list exp_opt | |
053c44e1 | 119 | %type <id> opt_name opt_equal_name dot_name |
252b5132 RH |
120 | |
121 | %% | |
122 | ||
123 | start: start command | |
124 | | command | |
125 | ; | |
126 | ||
127 | command: | |
128 | NAME opt_name opt_base { def_name ($2, $3); } | |
129 | | LIBRARY opt_name opt_base { def_library ($2, $3); } | |
130 | | DESCRIPTION ID { def_description ($2);} | |
131 | | STACKSIZE NUMBER opt_number { def_stacksize ($2, $3);} | |
132 | | HEAPSIZE NUMBER opt_number { def_heapsize ($2, $3);} | |
133 | | CODE attr_list { def_section ("CODE", $2);} | |
7c9e78f8 | 134 | | DATAU attr_list { def_section ("DATA", $2);} |
252b5132 RH |
135 | | SECTIONS seclist |
136 | | EXPORTS explist | |
137 | | IMPORTS implist | |
138 | | VERSIONK NUMBER { def_version ($2, 0);} | |
139 | | VERSIONK NUMBER '.' NUMBER { def_version ($2, $4);} | |
140 | | DIRECTIVE ID { def_directive ($2);} | |
141 | ; | |
142 | ||
143 | ||
144 | explist: | |
145 | /* EMPTY */ | |
146 | | expline | |
147 | | explist expline | |
148 | ; | |
149 | ||
150 | expline: | |
7c9e78f8 DD |
151 | /* The opt_comma is necessary to support both the usual |
152 | DEF file syntax as well as .drectve syntax which | |
153 | mandates <expsym>,<expoptlist>. */ | |
053c44e1 | 154 | dot_name opt_equal_name opt_ordinal opt_comma exp_opt_list |
7c9e78f8 | 155 | { def_exports ($1, $2, $3, $5); } |
252b5132 RH |
156 | ; |
157 | exp_opt_list: | |
7c9e78f8 DD |
158 | /* The opt_comma is necessary to support both the usual |
159 | DEF file syntax as well as .drectve syntax which | |
160 | allows for comma separated opt list. */ | |
161 | exp_opt opt_comma exp_opt_list { $$ = $1 | $3; } | |
252b5132 RH |
162 | | { $$ = 0; } |
163 | ; | |
164 | exp_opt: | |
7c9e78f8 DD |
165 | NONAMEU { $$ = 1; } |
166 | | NONAMEL { $$ = 1; } | |
167 | | CONSTANTU { $$ = 2; } | |
168 | | CONSTANTL { $$ = 2; } | |
169 | | DATAU { $$ = 4; } | |
170 | | DATAL { $$ = 4; } | |
171 | | PRIVATEU { $$ = 8; } | |
172 | | PRIVATEL { $$ = 8; } | |
252b5132 RH |
173 | ; |
174 | implist: | |
175 | implist impline | |
176 | | impline | |
177 | ; | |
178 | ||
179 | impline: | |
180 | ID '=' ID '.' ID '.' ID { def_import ($1, $3, $5, $7, -1); } | |
181 | | ID '=' ID '.' ID '.' NUMBER { def_import ($1, $3, $5, 0, $7); } | |
182 | | ID '=' ID '.' ID { def_import ($1, $3, 0, $5, -1); } | |
183 | | ID '=' ID '.' NUMBER { def_import ($1, $3, 0, 0, $5); } | |
184 | | ID '.' ID '.' ID { def_import ( 0, $1, $3, $5, -1); } | |
185 | | ID '.' ID { def_import ( 0, $1, 0, $3, -1); } | |
186 | ; | |
187 | ||
188 | seclist: | |
189 | seclist secline | |
190 | | secline | |
191 | ; | |
192 | ||
193 | secline: | |
194 | ID attr_list { def_section ($1, $2);} | |
195 | | ID ID { def_section_alt ($1, $2);} | |
196 | ; | |
197 | ||
198 | attr_list: | |
199 | attr_list opt_comma attr { $$ = $1 | $3; } | |
200 | | attr { $$ = $1; } | |
201 | ; | |
202 | ||
203 | opt_comma: | |
204 | ',' | |
205 | | | |
206 | ; | |
207 | opt_number: ',' NUMBER { $$=$2;} | |
208 | | { $$=-1;} | |
209 | ; | |
210 | ||
211 | attr: | |
212 | READ { $$ = 1;} | |
213 | | WRITE { $$ = 2;} | |
214 | | EXECUTE { $$=4;} | |
215 | | SHARED { $$=8;} | |
216 | ; | |
217 | ||
218 | opt_name: ID { $$ = $1; } | |
5aaace27 NC |
219 | | ID '.' ID |
220 | { | |
221 | char * name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); | |
222 | sprintf (name, "%s.%s", $1, $3); | |
223 | $$ = name; | |
224 | } | |
225 | | { $$ = ""; } | |
252b5132 RH |
226 | ; |
227 | ||
228 | opt_ordinal: | |
229 | '@' NUMBER { $$ = $2;} | |
230 | | { $$ = -1;} | |
231 | ; | |
232 | ||
233 | opt_equal_name: | |
053c44e1 | 234 | '=' dot_name { $$ = $2; } |
252b5132 RH |
235 | | { $$ = 0; } |
236 | ; | |
237 | ||
238 | opt_base: BASE '=' NUMBER { $$ = $3;} | |
4064c856 | 239 | | { $$ = -1;} |
252b5132 RH |
240 | ; |
241 | ||
053c44e1 DS |
242 | dot_name: ID { $$ = $1; } |
243 | | dot_name '.' ID | |
244 | { | |
245 | char * name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); | |
246 | sprintf (name, "%s.%s", $1, $3); | |
247 | $$ = name; | |
248 | } | |
249 | ; | |
252b5132 RH |
250 | |
251 | ||
252 | %% | |
253 | ||
254 | /***************************************************************************** | |
255 | API | |
256 | *****************************************************************************/ | |
257 | ||
258 | static FILE *the_file; | |
259 | static const char *def_filename; | |
260 | static int linenumber; | |
261 | static def_file *def; | |
262 | static int saw_newline; | |
263 | ||
264 | struct directive | |
265 | { | |
266 | struct directive *next; | |
267 | char *name; | |
268 | int len; | |
269 | }; | |
270 | ||
271 | static struct directive *directives = 0; | |
272 | ||
273 | def_file * | |
274 | def_file_empty () | |
275 | { | |
276 | def_file *rv = (def_file *) xmalloc (sizeof (def_file)); | |
277 | memset (rv, 0, sizeof (def_file)); | |
278 | rv->is_dll = -1; | |
279 | rv->base_address = (bfd_vma) (-1); | |
280 | rv->stack_reserve = rv->stack_commit = -1; | |
281 | rv->heap_reserve = rv->heap_commit = -1; | |
282 | rv->version_major = rv->version_minor = -1; | |
283 | return rv; | |
284 | } | |
285 | ||
286 | def_file * | |
287 | def_file_parse (filename, add_to) | |
288 | const char *filename; | |
289 | def_file *add_to; | |
290 | { | |
291 | struct directive *d; | |
292 | ||
293 | the_file = fopen (filename, "r"); | |
294 | def_filename = filename; | |
295 | linenumber = 1; | |
296 | if (!the_file) | |
297 | { | |
298 | perror (filename); | |
299 | return 0; | |
300 | } | |
301 | if (add_to) | |
302 | { | |
303 | def = add_to; | |
304 | } | |
305 | else | |
306 | { | |
307 | def = def_file_empty (); | |
308 | } | |
309 | ||
310 | saw_newline = 1; | |
311 | if (def_parse ()) | |
312 | { | |
313 | def_file_free (def); | |
314 | fclose (the_file); | |
315 | return 0; | |
316 | } | |
317 | ||
318 | fclose (the_file); | |
319 | ||
320 | for (d = directives; d; d = d->next) | |
321 | { | |
322 | #if TRACE | |
323 | printf ("Adding directive %08x `%s'\n", d->name, d->name); | |
324 | #endif | |
325 | def_file_add_directive (def, d->name, d->len); | |
326 | } | |
327 | ||
328 | return def; | |
329 | } | |
330 | ||
331 | void | |
332 | def_file_free (def) | |
333 | def_file *def; | |
334 | { | |
335 | int i; | |
a35bc64f | 336 | |
252b5132 RH |
337 | if (!def) |
338 | return; | |
339 | if (def->name) | |
340 | free (def->name); | |
341 | if (def->description) | |
342 | free (def->description); | |
343 | ||
344 | if (def->section_defs) | |
345 | { | |
346 | for (i = 0; i < def->num_section_defs; i++) | |
347 | { | |
348 | if (def->section_defs[i].name) | |
349 | free (def->section_defs[i].name); | |
350 | if (def->section_defs[i].class) | |
351 | free (def->section_defs[i].class); | |
352 | } | |
353 | free (def->section_defs); | |
354 | } | |
355 | ||
356 | if (def->exports) | |
357 | { | |
358 | for (i = 0; i < def->num_exports; i++) | |
359 | { | |
360 | if (def->exports[i].internal_name | |
361 | && def->exports[i].internal_name != def->exports[i].name) | |
362 | free (def->exports[i].internal_name); | |
363 | if (def->exports[i].name) | |
364 | free (def->exports[i].name); | |
365 | } | |
366 | free (def->exports); | |
367 | } | |
368 | ||
369 | if (def->imports) | |
370 | { | |
371 | for (i = 0; i < def->num_imports; i++) | |
372 | { | |
373 | if (def->imports[i].internal_name | |
374 | && def->imports[i].internal_name != def->imports[i].name) | |
375 | free (def->imports[i].internal_name); | |
376 | if (def->imports[i].name) | |
377 | free (def->imports[i].name); | |
378 | } | |
379 | free (def->imports); | |
380 | } | |
381 | ||
382 | while (def->modules) | |
383 | { | |
384 | def_file_module *m = def->modules; | |
385 | def->modules = def->modules->next; | |
386 | free (m); | |
387 | } | |
388 | ||
389 | free (def); | |
390 | } | |
391 | ||
392 | #ifdef DEF_FILE_PRINT | |
393 | void | |
394 | def_file_print (file, def) | |
395 | FILE *file; | |
396 | def_file *def; | |
397 | { | |
398 | int i; | |
a35bc64f | 399 | |
252b5132 RH |
400 | fprintf (file, ">>>> def_file at 0x%08x\n", def); |
401 | if (def->name) | |
402 | fprintf (file, " name: %s\n", def->name ? def->name : "(unspecified)"); | |
403 | if (def->is_dll != -1) | |
404 | fprintf (file, " is dll: %s\n", def->is_dll ? "yes" : "no"); | |
405 | if (def->base_address != (bfd_vma) (-1)) | |
406 | fprintf (file, " base address: 0x%08x\n", def->base_address); | |
407 | if (def->description) | |
408 | fprintf (file, " description: `%s'\n", def->description); | |
409 | if (def->stack_reserve != -1) | |
410 | fprintf (file, " stack reserve: 0x%08x\n", def->stack_reserve); | |
411 | if (def->stack_commit != -1) | |
412 | fprintf (file, " stack commit: 0x%08x\n", def->stack_commit); | |
413 | if (def->heap_reserve != -1) | |
414 | fprintf (file, " heap reserve: 0x%08x\n", def->heap_reserve); | |
415 | if (def->heap_commit != -1) | |
416 | fprintf (file, " heap commit: 0x%08x\n", def->heap_commit); | |
417 | ||
418 | if (def->num_section_defs > 0) | |
419 | { | |
420 | fprintf (file, " section defs:\n"); | |
a35bc64f | 421 | |
252b5132 RH |
422 | for (i = 0; i < def->num_section_defs; i++) |
423 | { | |
424 | fprintf (file, " name: `%s', class: `%s', flags:", | |
425 | def->section_defs[i].name, def->section_defs[i].class); | |
426 | if (def->section_defs[i].flag_read) | |
427 | fprintf (file, " R"); | |
428 | if (def->section_defs[i].flag_write) | |
429 | fprintf (file, " W"); | |
430 | if (def->section_defs[i].flag_execute) | |
431 | fprintf (file, " X"); | |
432 | if (def->section_defs[i].flag_shared) | |
433 | fprintf (file, " S"); | |
434 | fprintf (file, "\n"); | |
435 | } | |
436 | } | |
437 | ||
438 | if (def->num_exports > 0) | |
439 | { | |
440 | fprintf (file, " exports:\n"); | |
a35bc64f | 441 | |
252b5132 RH |
442 | for (i = 0; i < def->num_exports; i++) |
443 | { | |
444 | fprintf (file, " name: `%s', int: `%s', ordinal: %d, flags:", | |
445 | def->exports[i].name, def->exports[i].internal_name, | |
446 | def->exports[i].ordinal); | |
447 | if (def->exports[i].flag_private) | |
448 | fprintf (file, " P"); | |
449 | if (def->exports[i].flag_constant) | |
450 | fprintf (file, " C"); | |
451 | if (def->exports[i].flag_noname) | |
452 | fprintf (file, " N"); | |
453 | if (def->exports[i].flag_data) | |
454 | fprintf (file, " D"); | |
455 | fprintf (file, "\n"); | |
456 | } | |
457 | } | |
458 | ||
459 | if (def->num_imports > 0) | |
460 | { | |
461 | fprintf (file, " imports:\n"); | |
a35bc64f | 462 | |
252b5132 RH |
463 | for (i = 0; i < def->num_imports; i++) |
464 | { | |
465 | fprintf (file, " int: %s, from: `%s', name: `%s', ordinal: %d\n", | |
466 | def->imports[i].internal_name, | |
467 | def->imports[i].module, | |
468 | def->imports[i].name, | |
469 | def->imports[i].ordinal); | |
470 | } | |
471 | } | |
a35bc64f | 472 | |
252b5132 RH |
473 | if (def->version_major != -1) |
474 | fprintf (file, " version: %d.%d\n", def->version_major, def->version_minor); | |
a35bc64f | 475 | |
252b5132 RH |
476 | fprintf (file, "<<<< def_file at 0x%08x\n", def); |
477 | } | |
478 | #endif | |
479 | ||
480 | def_file_export * | |
481 | def_file_add_export (def, external_name, internal_name, ordinal) | |
482 | def_file *def; | |
483 | const char *external_name; | |
484 | const char *internal_name; | |
485 | int ordinal; | |
486 | { | |
487 | def_file_export *e; | |
488 | int max_exports = ROUND_UP(def->num_exports, 32); | |
a35bc64f | 489 | |
252b5132 RH |
490 | if (def->num_exports >= max_exports) |
491 | { | |
a35bc64f | 492 | max_exports = ROUND_UP(def->num_exports + 1, 32); |
252b5132 | 493 | if (def->exports) |
a35bc64f NC |
494 | def->exports = (def_file_export *) |
495 | xrealloc (def->exports, max_exports * sizeof (def_file_export)); | |
252b5132 | 496 | else |
a35bc64f NC |
497 | def->exports = (def_file_export *) |
498 | xmalloc (max_exports * sizeof (def_file_export)); | |
252b5132 RH |
499 | } |
500 | e = def->exports + def->num_exports; | |
501 | memset (e, 0, sizeof (def_file_export)); | |
502 | if (internal_name && !external_name) | |
503 | external_name = internal_name; | |
504 | if (external_name && !internal_name) | |
505 | internal_name = external_name; | |
506 | e->name = xstrdup (external_name); | |
507 | e->internal_name = xstrdup (internal_name); | |
508 | e->ordinal = ordinal; | |
509 | def->num_exports++; | |
510 | return e; | |
511 | } | |
512 | ||
a35bc64f NC |
513 | def_file_module * |
514 | def_get_module (def, name) | |
515 | def_file *def; | |
516 | const char *name; | |
517 | { | |
518 | def_file_module *s; | |
519 | ||
520 | for (s = def->modules; s; s = s->next) | |
521 | if (strcmp (s->name, name) == 0) | |
522 | return s; | |
523 | ||
524 | return (def_file_module *) 0; | |
525 | } | |
526 | ||
252b5132 RH |
527 | static def_file_module * |
528 | def_stash_module (def, name) | |
529 | def_file *def; | |
db09f25b | 530 | const char *name; |
252b5132 RH |
531 | { |
532 | def_file_module *s; | |
a35bc64f NC |
533 | |
534 | if ((s = def_get_module (def, name)) != (def_file_module *) 0) | |
252b5132 RH |
535 | return s; |
536 | s = (def_file_module *) xmalloc (sizeof (def_file_module) + strlen (name)); | |
537 | s->next = def->modules; | |
538 | def->modules = s; | |
539 | s->user_data = 0; | |
540 | strcpy (s->name, name); | |
541 | return s; | |
542 | } | |
543 | ||
544 | def_file_import * | |
545 | def_file_add_import (def, name, module, ordinal, internal_name) | |
546 | def_file *def; | |
547 | const char *name; | |
548 | const char *module; | |
549 | int ordinal; | |
550 | const char *internal_name; | |
551 | { | |
552 | def_file_import *i; | |
553 | int max_imports = ROUND_UP(def->num_imports, 16); | |
a35bc64f | 554 | |
252b5132 RH |
555 | if (def->num_imports >= max_imports) |
556 | { | |
557 | max_imports = ROUND_UP(def->num_imports+1, 16); | |
a35bc64f | 558 | |
252b5132 | 559 | if (def->imports) |
a35bc64f NC |
560 | def->imports = (def_file_import *) |
561 | xrealloc (def->imports, max_imports * sizeof (def_file_import)); | |
252b5132 | 562 | else |
a35bc64f NC |
563 | def->imports = (def_file_import *) |
564 | xmalloc (max_imports * sizeof (def_file_import)); | |
252b5132 RH |
565 | } |
566 | i = def->imports + def->num_imports; | |
567 | memset (i, 0, sizeof (def_file_import)); | |
568 | if (name) | |
569 | i->name = xstrdup (name); | |
570 | if (module) | |
db09f25b | 571 | i->module = def_stash_module (def, module); |
252b5132 RH |
572 | i->ordinal = ordinal; |
573 | if (internal_name) | |
574 | i->internal_name = xstrdup (internal_name); | |
575 | else | |
576 | i->internal_name = i->name; | |
577 | def->num_imports++; | |
a35bc64f | 578 | |
252b5132 RH |
579 | return i; |
580 | } | |
581 | ||
582 | struct | |
583 | { | |
584 | char *param; | |
585 | int token; | |
586 | } | |
587 | diropts[] = | |
588 | { | |
589 | { "-heap", HEAPSIZE }, | |
590 | { "-stack", STACKSIZE }, | |
591 | { "-attr", SECTIONS }, | |
592 | { "-export", EXPORTS }, | |
593 | { 0, 0 } | |
594 | }; | |
595 | ||
596 | void | |
597 | def_file_add_directive (my_def, param, len) | |
598 | def_file *my_def; | |
599 | const char *param; | |
600 | int len; | |
601 | { | |
602 | def_file *save_def = def; | |
603 | const char *pend = param + len; | |
dc17f155 | 604 | char * tend = (char *) param; |
252b5132 RH |
605 | int i; |
606 | ||
607 | def = my_def; | |
608 | ||
609 | while (param < pend) | |
610 | { | |
dc17f155 | 611 | while (param < pend && (ISSPACE (*param) || * param == '\n' || * param == 0)) |
252b5132 | 612 | param++; |
a35bc64f | 613 | |
dc17f155 NC |
614 | if (param == pend) |
615 | break; | |
616 | ||
617 | /* Scan forward until we encounter any of: | |
618 | - the end of the buffer | |
619 | - the start of a new option | |
620 | - a newline seperating options | |
621 | - a NUL seperating options. */ | |
622 | for (tend = (char *) (param + 1); | |
623 | tend < pend && !(ISSPACE (tend[-1]) && *tend == '-') && (*tend != '\n') && (*tend != 0); | |
a35bc64f NC |
624 | tend++) |
625 | ; | |
252b5132 RH |
626 | |
627 | for (i = 0; diropts[i].param; i++) | |
628 | { | |
629 | int len = strlen (diropts[i].param); | |
a35bc64f | 630 | |
252b5132 RH |
631 | if (tend - param >= len |
632 | && strncmp (param, diropts[i].param, len) == 0 | |
633 | && (param[len] == ':' || param[len] == ' ')) | |
634 | { | |
635 | lex_parse_string_end = tend; | |
636 | lex_parse_string = param + len + 1; | |
637 | lex_forced_token = diropts[i].token; | |
638 | saw_newline = 0; | |
dc17f155 NC |
639 | if (def_parse ()) |
640 | continue; | |
252b5132 RH |
641 | break; |
642 | } | |
643 | } | |
644 | ||
645 | if (!diropts[i].param) | |
dc17f155 NC |
646 | { |
647 | char saved; | |
648 | ||
649 | saved = * tend; | |
650 | * tend = 0; | |
651 | /* xgettext:c-format */ | |
652 | einfo (_("Warning: .drectve `%s' unrecognized\n"), param); | |
653 | * tend = saved; | |
654 | } | |
a35bc64f | 655 | |
252b5132 RH |
656 | lex_parse_string = 0; |
657 | param = tend; | |
658 | } | |
659 | ||
660 | def = save_def; | |
661 | } | |
662 | ||
a35bc64f | 663 | /* Parser Callbacks. */ |
252b5132 RH |
664 | |
665 | static void | |
666 | def_name (name, base) | |
667 | const char *name; | |
668 | int base; | |
669 | { | |
670 | if (def->name) | |
671 | free (def->name); | |
672 | def->name = xstrdup (name); | |
673 | def->base_address = base; | |
674 | def->is_dll = 0; | |
675 | } | |
676 | ||
677 | static void | |
678 | def_library (name, base) | |
679 | const char *name; | |
680 | int base; | |
681 | { | |
682 | if (def->name) | |
683 | free (def->name); | |
684 | def->name = xstrdup (name); | |
685 | def->base_address = base; | |
686 | def->is_dll = 1; | |
687 | } | |
688 | ||
689 | static void | |
690 | def_description (text) | |
691 | const char *text; | |
692 | { | |
693 | int len = def->description ? strlen (def->description) : 0; | |
a35bc64f | 694 | |
252b5132 RH |
695 | len += strlen (text) + 1; |
696 | if (def->description) | |
697 | { | |
698 | def->description = (char *) xrealloc (def->description, len); | |
699 | strcat (def->description, text); | |
700 | } | |
701 | else | |
702 | { | |
703 | def->description = (char *) xmalloc (len); | |
704 | strcpy (def->description, text); | |
705 | } | |
706 | } | |
707 | ||
708 | static void | |
709 | def_stacksize (reserve, commit) | |
710 | int reserve; | |
711 | int commit; | |
712 | { | |
713 | def->stack_reserve = reserve; | |
714 | def->stack_commit = commit; | |
715 | } | |
716 | ||
717 | static void | |
718 | def_heapsize (reserve, commit) | |
719 | int reserve; | |
720 | int commit; | |
721 | { | |
722 | def->heap_reserve = reserve; | |
723 | def->heap_commit = commit; | |
724 | } | |
725 | ||
726 | static void | |
727 | def_section (name, attr) | |
728 | const char *name; | |
729 | int attr; | |
730 | { | |
731 | def_file_section *s; | |
732 | int max_sections = ROUND_UP(def->num_section_defs, 4); | |
a35bc64f | 733 | |
252b5132 RH |
734 | if (def->num_section_defs >= max_sections) |
735 | { | |
736 | max_sections = ROUND_UP(def->num_section_defs+1, 4); | |
a35bc64f | 737 | |
252b5132 RH |
738 | if (def->section_defs) |
739 | def->section_defs = (def_file_section *) xrealloc (def->section_defs, max_sections * sizeof (def_file_import)); | |
740 | else | |
741 | def->section_defs = (def_file_section *) xmalloc (max_sections * sizeof (def_file_import)); | |
742 | } | |
743 | s = def->section_defs + def->num_section_defs; | |
744 | memset (s, 0, sizeof (def_file_section)); | |
745 | s->name = xstrdup (name); | |
746 | if (attr & 1) | |
747 | s->flag_read = 1; | |
748 | if (attr & 2) | |
749 | s->flag_write = 1; | |
750 | if (attr & 4) | |
751 | s->flag_execute = 1; | |
752 | if (attr & 8) | |
753 | s->flag_shared = 1; | |
754 | ||
755 | def->num_section_defs++; | |
756 | } | |
757 | ||
758 | static void | |
759 | def_section_alt (name, attr) | |
760 | const char *name; | |
761 | const char *attr; | |
762 | { | |
763 | int aval = 0; | |
a35bc64f | 764 | |
252b5132 RH |
765 | for (; *attr; attr++) |
766 | { | |
767 | switch (*attr) | |
768 | { | |
769 | case 'R': | |
770 | case 'r': | |
771 | aval |= 1; | |
772 | break; | |
773 | case 'W': | |
774 | case 'w': | |
775 | aval |= 2; | |
776 | break; | |
777 | case 'X': | |
778 | case 'x': | |
779 | aval |= 4; | |
780 | break; | |
781 | case 'S': | |
782 | case 's': | |
783 | aval |= 8; | |
784 | break; | |
785 | } | |
786 | } | |
787 | def_section (name, aval); | |
788 | } | |
789 | ||
790 | static void | |
791 | def_exports (external_name, internal_name, ordinal, flags) | |
792 | const char *external_name; | |
793 | const char *internal_name; | |
794 | int ordinal; | |
795 | int flags; | |
796 | { | |
797 | def_file_export *dfe; | |
798 | ||
799 | if (!internal_name && external_name) | |
800 | internal_name = external_name; | |
801 | #if TRACE | |
802 | printf ("def_exports, ext=%s int=%s\n", external_name, internal_name); | |
803 | #endif | |
804 | ||
805 | dfe = def_file_add_export (def, external_name, internal_name, ordinal); | |
806 | if (flags & 1) | |
807 | dfe->flag_noname = 1; | |
808 | if (flags & 2) | |
809 | dfe->flag_constant = 1; | |
810 | if (flags & 4) | |
811 | dfe->flag_data = 1; | |
812 | if (flags & 8) | |
813 | dfe->flag_private = 1; | |
814 | } | |
815 | ||
816 | static void | |
817 | def_import (internal_name, module, dllext, name, ordinal) | |
818 | const char *internal_name; | |
819 | const char *module; | |
820 | const char *dllext; | |
821 | const char *name; | |
822 | int ordinal; | |
823 | { | |
824 | char *buf = 0; | |
053c44e1 DS |
825 | const char *ext = dllext ? dllext : "dll"; |
826 | ||
827 | buf = (char *) xmalloc (strlen (module) + strlen (ext) + 2); | |
828 | sprintf (buf, "%s.%s", module, ext); | |
829 | module = buf; | |
252b5132 RH |
830 | |
831 | def_file_add_import (def, name, module, ordinal, internal_name); | |
832 | if (buf) | |
833 | free (buf); | |
834 | } | |
835 | ||
836 | static void | |
837 | def_version (major, minor) | |
838 | int major; | |
839 | int minor; | |
840 | { | |
841 | def->version_major = major; | |
842 | def->version_minor = minor; | |
843 | } | |
844 | ||
845 | static void | |
846 | def_directive (str) | |
847 | char *str; | |
848 | { | |
849 | struct directive *d = (struct directive *) xmalloc (sizeof (struct directive)); | |
a35bc64f | 850 | |
252b5132 RH |
851 | d->next = directives; |
852 | directives = d; | |
853 | d->name = xstrdup (str); | |
854 | d->len = strlen (str); | |
855 | } | |
856 | ||
857 | static int | |
858 | def_error (err) | |
859 | const char *err; | |
860 | { | |
dc17f155 | 861 | einfo ("%P: %s:%d: %s\n", def_filename ? def_filename : "<unknown-file>", linenumber, err); |
252b5132 RH |
862 | |
863 | return 0; | |
864 | } | |
865 | ||
866 | ||
a35bc64f | 867 | /* Lexical Scanner. */ |
252b5132 RH |
868 | |
869 | #undef TRACE | |
870 | #define TRACE 0 | |
871 | ||
a35bc64f | 872 | /* Never freed, but always reused as needed, so no real leak. */ |
252b5132 RH |
873 | static char *buffer = 0; |
874 | static int buflen = 0; | |
875 | static int bufptr = 0; | |
876 | ||
877 | static void | |
878 | put_buf (c) | |
879 | char c; | |
880 | { | |
881 | if (bufptr == buflen) | |
882 | { | |
a35bc64f | 883 | buflen += 50; /* overly reasonable, eh? */ |
252b5132 RH |
884 | if (buffer) |
885 | buffer = (char *) xrealloc (buffer, buflen + 1); | |
886 | else | |
887 | buffer = (char *) xmalloc (buflen + 1); | |
888 | } | |
889 | buffer[bufptr++] = c; | |
a35bc64f | 890 | buffer[bufptr] = 0; /* not optimal, but very convenient. */ |
252b5132 RH |
891 | } |
892 | ||
893 | static struct | |
894 | { | |
895 | char *name; | |
896 | int token; | |
897 | } | |
898 | tokens[] = | |
899 | { | |
900 | { "BASE", BASE }, | |
901 | { "CODE", CODE }, | |
7c9e78f8 DD |
902 | { "CONSTANT", CONSTANTU }, |
903 | { "constant", CONSTANTL }, | |
904 | { "DATA", DATAU }, | |
905 | { "data", DATAL }, | |
252b5132 RH |
906 | { "DESCRIPTION", DESCRIPTION }, |
907 | { "DIRECTIVE", DIRECTIVE }, | |
908 | { "EXECUTE", EXECUTE }, | |
909 | { "EXPORTS", EXPORTS }, | |
910 | { "HEAPSIZE", HEAPSIZE }, | |
911 | { "IMPORTS", IMPORTS }, | |
912 | { "LIBRARY", LIBRARY }, | |
913 | { "NAME", NAME }, | |
7c9e78f8 DD |
914 | { "NONAME", NONAMEU }, |
915 | { "noname", NONAMEL }, | |
916 | { "PRIVATE", PRIVATEU }, | |
917 | { "private", PRIVATEL }, | |
252b5132 RH |
918 | { "READ", READ }, |
919 | { "SECTIONS", SECTIONS }, | |
920 | { "SEGMENTS", SECTIONS }, | |
921 | { "SHARED", SHARED }, | |
922 | { "STACKSIZE", STACKSIZE }, | |
923 | { "VERSION", VERSIONK }, | |
924 | { "WRITE", WRITE }, | |
925 | { 0, 0 } | |
926 | }; | |
927 | ||
928 | static int | |
929 | def_getc () | |
930 | { | |
931 | int rv; | |
a35bc64f | 932 | |
252b5132 RH |
933 | if (lex_parse_string) |
934 | { | |
935 | if (lex_parse_string >= lex_parse_string_end) | |
936 | rv = EOF; | |
937 | else | |
938 | rv = *lex_parse_string++; | |
939 | } | |
940 | else | |
941 | { | |
942 | rv = fgetc (the_file); | |
943 | } | |
944 | if (rv == '\n') | |
945 | saw_newline = 1; | |
946 | return rv; | |
947 | } | |
948 | ||
949 | static int | |
950 | def_ungetc (c) | |
951 | int c; | |
952 | { | |
953 | if (lex_parse_string) | |
954 | { | |
955 | lex_parse_string--; | |
956 | return c; | |
957 | } | |
958 | else | |
959 | return ungetc (c, the_file); | |
960 | } | |
961 | ||
962 | static int | |
963 | def_lex () | |
964 | { | |
965 | int c, i, q; | |
966 | ||
967 | if (lex_forced_token) | |
968 | { | |
969 | i = lex_forced_token; | |
970 | lex_forced_token = 0; | |
971 | #if TRACE | |
972 | printf ("lex: forcing token %d\n", i); | |
973 | #endif | |
974 | return i; | |
975 | } | |
976 | ||
977 | c = def_getc (); | |
978 | ||
a35bc64f | 979 | /* Trim leading whitespace. */ |
252b5132 RH |
980 | while (c != EOF && (c == ' ' || c == '\t') && saw_newline) |
981 | c = def_getc (); | |
982 | ||
983 | if (c == EOF) | |
984 | { | |
985 | #if TRACE | |
986 | printf ("lex: EOF\n"); | |
987 | #endif | |
988 | return 0; | |
989 | } | |
990 | ||
991 | if (saw_newline && c == ';') | |
992 | { | |
993 | do | |
994 | { | |
995 | c = def_getc (); | |
996 | } | |
997 | while (c != EOF && c != '\n'); | |
998 | if (c == '\n') | |
999 | return def_lex (); | |
1000 | return 0; | |
1001 | } | |
a35bc64f NC |
1002 | |
1003 | /* Must be something else. */ | |
252b5132 RH |
1004 | saw_newline = 0; |
1005 | ||
3882b010 | 1006 | if (ISDIGIT (c)) |
252b5132 RH |
1007 | { |
1008 | bufptr = 0; | |
3882b010 | 1009 | while (c != EOF && (ISXDIGIT (c) || (c == 'x'))) |
252b5132 RH |
1010 | { |
1011 | put_buf (c); | |
1012 | c = def_getc (); | |
1013 | } | |
1014 | if (c != EOF) | |
1015 | def_ungetc (c); | |
1016 | yylval.number = strtoul (buffer, 0, 0); | |
1017 | #if TRACE | |
1018 | printf ("lex: `%s' returns NUMBER %d\n", buffer, yylval.number); | |
1019 | #endif | |
1020 | return NUMBER; | |
1021 | } | |
1022 | ||
c9e38879 | 1023 | if (ISALPHA (c) || strchr ("$:-_?@", c)) |
252b5132 RH |
1024 | { |
1025 | bufptr = 0; | |
c9e38879 NC |
1026 | q = c; |
1027 | put_buf (c); | |
1028 | c = def_getc (); | |
1029 | ||
1030 | if (q == '@') | |
1031 | { | |
1032 | if (ISBLANK (c) ) /* '@' followed by whitespace. */ | |
1033 | return (q); | |
1034 | else if (ISDIGIT (c)) /* '@' followed by digit. */ | |
1035 | { | |
1036 | def_ungetc (c); | |
1037 | return (q); | |
1038 | } | |
1039 | #if TRACE | |
1040 | printf ("lex: @ returns itself\n"); | |
1041 | #endif | |
1042 | } | |
1043 | ||
053c44e1 | 1044 | while (c != EOF && (ISALNUM (c) || strchr ("$:-_?/@", c))) |
252b5132 RH |
1045 | { |
1046 | put_buf (c); | |
1047 | c = def_getc (); | |
1048 | } | |
1049 | if (c != EOF) | |
1050 | def_ungetc (c); | |
c9e38879 NC |
1051 | if (ISALPHA (q)) /* Check for tokens. */ |
1052 | { | |
1053 | for (i = 0; tokens[i].name; i++) | |
1054 | if (strcmp (tokens[i].name, buffer) == 0) | |
1055 | { | |
252b5132 | 1056 | #if TRACE |
c9e38879 | 1057 | printf ("lex: `%s' is a string token\n", buffer); |
252b5132 | 1058 | #endif |
c9e38879 NC |
1059 | return tokens[i].token; |
1060 | } | |
1061 | } | |
252b5132 RH |
1062 | #if TRACE |
1063 | printf ("lex: `%s' returns ID\n", buffer); | |
1064 | #endif | |
1065 | yylval.id = xstrdup (buffer); | |
1066 | return ID; | |
1067 | } | |
1068 | ||
1069 | if (c == '\'' || c == '"') | |
1070 | { | |
1071 | q = c; | |
1072 | c = def_getc (); | |
1073 | bufptr = 0; | |
a35bc64f | 1074 | |
252b5132 RH |
1075 | while (c != EOF && c != q) |
1076 | { | |
1077 | put_buf (c); | |
1078 | c = def_getc (); | |
1079 | } | |
1080 | yylval.id = xstrdup (buffer); | |
1081 | #if TRACE | |
1082 | printf ("lex: `%s' returns ID\n", buffer); | |
1083 | #endif | |
1084 | return ID; | |
1085 | } | |
1086 | ||
c9e38879 | 1087 | if (c == '=' || c == '.' || c == ',') |
252b5132 RH |
1088 | { |
1089 | #if TRACE | |
1090 | printf ("lex: `%c' returns itself\n", c); | |
1091 | #endif | |
1092 | return c; | |
1093 | } | |
1094 | ||
1095 | if (c == '\n') | |
1096 | { | |
1097 | linenumber++; | |
1098 | saw_newline = 1; | |
1099 | } | |
1100 | ||
1101 | /*printf ("lex: 0x%02x ignored\n", c); */ | |
1102 | return def_lex (); | |
1103 | } |