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 | ||
1579bae1 AM |
81 | static void def_description (const char *); |
82 | static void def_exports (const char *, const char *, int, int); | |
83 | static void def_heapsize (int, int); | |
84 | static void def_import (const char *, const char *, const char *, const char *, | |
85 | int); | |
86 | static void def_library (const char *, int); | |
87 | static void def_name (const char *, int); | |
88 | static void def_section (const char *, int); | |
89 | static void def_section_alt (const char *, const char *); | |
90 | static void def_stacksize (int, int); | |
91 | static void def_version (int, int); | |
92 | static void def_directive (char *); | |
93 | static int def_parse (void); | |
94 | static int def_error (const char *); | |
95 | static int def_lex (void); | |
252b5132 RH |
96 | |
97 | static int lex_forced_token = 0; | |
98 | static const char *lex_parse_string = 0; | |
99 | static const char *lex_parse_string_end = 0; | |
100 | ||
101 | %} | |
102 | ||
103 | %union { | |
104 | char *id; | |
105 | int number; | |
106 | }; | |
107 | ||
655f76a2 AS |
108 | %token NAME LIBRARY DESCRIPTION STACKSIZE HEAPSIZE CODE DATAU DATAL |
109 | %token SECTIONS EXPORTS IMPORTS VERSIONK BASE CONSTANTU CONSTANTL | |
110 | %token PRIVATEU PRIVATEL | |
7c9e78f8 | 111 | %token READ WRITE EXECUTE SHARED NONAMEU NONAMEL DIRECTIVE |
252b5132 RH |
112 | %token <id> ID |
113 | %token <number> NUMBER | |
114 | %type <number> opt_base opt_ordinal | |
115 | %type <number> attr attr_list opt_number exp_opt_list exp_opt | |
053c44e1 | 116 | %type <id> opt_name opt_equal_name dot_name |
252b5132 RH |
117 | |
118 | %% | |
119 | ||
120 | start: start command | |
121 | | command | |
122 | ; | |
123 | ||
124 | command: | |
125 | NAME opt_name opt_base { def_name ($2, $3); } | |
126 | | LIBRARY opt_name opt_base { def_library ($2, $3); } | |
127 | | DESCRIPTION ID { def_description ($2);} | |
128 | | STACKSIZE NUMBER opt_number { def_stacksize ($2, $3);} | |
129 | | HEAPSIZE NUMBER opt_number { def_heapsize ($2, $3);} | |
130 | | CODE attr_list { def_section ("CODE", $2);} | |
7c9e78f8 | 131 | | DATAU attr_list { def_section ("DATA", $2);} |
252b5132 RH |
132 | | SECTIONS seclist |
133 | | EXPORTS explist | |
134 | | IMPORTS implist | |
135 | | VERSIONK NUMBER { def_version ($2, 0);} | |
136 | | VERSIONK NUMBER '.' NUMBER { def_version ($2, $4);} | |
137 | | DIRECTIVE ID { def_directive ($2);} | |
138 | ; | |
139 | ||
140 | ||
141 | explist: | |
142 | /* EMPTY */ | |
143 | | expline | |
144 | | explist expline | |
145 | ; | |
146 | ||
147 | expline: | |
7c9e78f8 DD |
148 | /* The opt_comma is necessary to support both the usual |
149 | DEF file syntax as well as .drectve syntax which | |
150 | mandates <expsym>,<expoptlist>. */ | |
053c44e1 | 151 | dot_name opt_equal_name opt_ordinal opt_comma exp_opt_list |
7c9e78f8 | 152 | { def_exports ($1, $2, $3, $5); } |
252b5132 RH |
153 | ; |
154 | exp_opt_list: | |
7c9e78f8 DD |
155 | /* The opt_comma is necessary to support both the usual |
156 | DEF file syntax as well as .drectve syntax which | |
157 | allows for comma separated opt list. */ | |
158 | exp_opt opt_comma exp_opt_list { $$ = $1 | $3; } | |
252b5132 RH |
159 | | { $$ = 0; } |
160 | ; | |
161 | exp_opt: | |
7c9e78f8 DD |
162 | NONAMEU { $$ = 1; } |
163 | | NONAMEL { $$ = 1; } | |
164 | | CONSTANTU { $$ = 2; } | |
165 | | CONSTANTL { $$ = 2; } | |
166 | | DATAU { $$ = 4; } | |
167 | | DATAL { $$ = 4; } | |
168 | | PRIVATEU { $$ = 8; } | |
169 | | PRIVATEL { $$ = 8; } | |
252b5132 RH |
170 | ; |
171 | implist: | |
172 | implist impline | |
173 | | impline | |
174 | ; | |
175 | ||
176 | impline: | |
177 | ID '=' ID '.' ID '.' ID { def_import ($1, $3, $5, $7, -1); } | |
178 | | ID '=' ID '.' ID '.' NUMBER { def_import ($1, $3, $5, 0, $7); } | |
179 | | ID '=' ID '.' ID { def_import ($1, $3, 0, $5, -1); } | |
180 | | ID '=' ID '.' NUMBER { def_import ($1, $3, 0, 0, $5); } | |
181 | | ID '.' ID '.' ID { def_import ( 0, $1, $3, $5, -1); } | |
182 | | ID '.' ID { def_import ( 0, $1, 0, $3, -1); } | |
183 | ; | |
184 | ||
185 | seclist: | |
186 | seclist secline | |
187 | | secline | |
188 | ; | |
189 | ||
190 | secline: | |
191 | ID attr_list { def_section ($1, $2);} | |
192 | | ID ID { def_section_alt ($1, $2);} | |
193 | ; | |
194 | ||
195 | attr_list: | |
196 | attr_list opt_comma attr { $$ = $1 | $3; } | |
197 | | attr { $$ = $1; } | |
198 | ; | |
199 | ||
200 | opt_comma: | |
201 | ',' | |
202 | | | |
203 | ; | |
204 | opt_number: ',' NUMBER { $$=$2;} | |
205 | | { $$=-1;} | |
206 | ; | |
207 | ||
208 | attr: | |
209 | READ { $$ = 1;} | |
210 | | WRITE { $$ = 2;} | |
211 | | EXECUTE { $$=4;} | |
212 | | SHARED { $$=8;} | |
213 | ; | |
214 | ||
215 | opt_name: ID { $$ = $1; } | |
5aaace27 NC |
216 | | ID '.' ID |
217 | { | |
1579bae1 | 218 | char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); |
5aaace27 NC |
219 | sprintf (name, "%s.%s", $1, $3); |
220 | $$ = name; | |
221 | } | |
222 | | { $$ = ""; } | |
252b5132 RH |
223 | ; |
224 | ||
225 | opt_ordinal: | |
226 | '@' NUMBER { $$ = $2;} | |
227 | | { $$ = -1;} | |
228 | ; | |
229 | ||
230 | opt_equal_name: | |
053c44e1 | 231 | '=' dot_name { $$ = $2; } |
252b5132 RH |
232 | | { $$ = 0; } |
233 | ; | |
234 | ||
235 | opt_base: BASE '=' NUMBER { $$ = $3;} | |
4064c856 | 236 | | { $$ = -1;} |
252b5132 RH |
237 | ; |
238 | ||
053c44e1 DS |
239 | dot_name: ID { $$ = $1; } |
240 | | dot_name '.' ID | |
241 | { | |
1579bae1 | 242 | char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); |
053c44e1 DS |
243 | sprintf (name, "%s.%s", $1, $3); |
244 | $$ = name; | |
245 | } | |
246 | ; | |
252b5132 RH |
247 | |
248 | ||
249 | %% | |
250 | ||
251 | /***************************************************************************** | |
252 | API | |
253 | *****************************************************************************/ | |
254 | ||
255 | static FILE *the_file; | |
256 | static const char *def_filename; | |
257 | static int linenumber; | |
258 | static def_file *def; | |
259 | static int saw_newline; | |
260 | ||
261 | struct directive | |
262 | { | |
263 | struct directive *next; | |
264 | char *name; | |
265 | int len; | |
266 | }; | |
267 | ||
268 | static struct directive *directives = 0; | |
269 | ||
270 | def_file * | |
1579bae1 | 271 | def_file_empty (void) |
252b5132 | 272 | { |
1579bae1 | 273 | def_file *rv = xmalloc (sizeof (def_file)); |
252b5132 RH |
274 | memset (rv, 0, sizeof (def_file)); |
275 | rv->is_dll = -1; | |
1579bae1 | 276 | rv->base_address = (bfd_vma) -1; |
252b5132 RH |
277 | rv->stack_reserve = rv->stack_commit = -1; |
278 | rv->heap_reserve = rv->heap_commit = -1; | |
279 | rv->version_major = rv->version_minor = -1; | |
280 | return rv; | |
281 | } | |
282 | ||
283 | def_file * | |
1579bae1 | 284 | def_file_parse (const char *filename, def_file *add_to) |
252b5132 RH |
285 | { |
286 | struct directive *d; | |
287 | ||
288 | the_file = fopen (filename, "r"); | |
289 | def_filename = filename; | |
290 | linenumber = 1; | |
291 | if (!the_file) | |
292 | { | |
293 | perror (filename); | |
294 | return 0; | |
295 | } | |
296 | if (add_to) | |
297 | { | |
298 | def = add_to; | |
299 | } | |
300 | else | |
301 | { | |
302 | def = def_file_empty (); | |
303 | } | |
304 | ||
305 | saw_newline = 1; | |
306 | if (def_parse ()) | |
307 | { | |
308 | def_file_free (def); | |
309 | fclose (the_file); | |
310 | return 0; | |
311 | } | |
312 | ||
313 | fclose (the_file); | |
314 | ||
315 | for (d = directives; d; d = d->next) | |
316 | { | |
317 | #if TRACE | |
318 | printf ("Adding directive %08x `%s'\n", d->name, d->name); | |
319 | #endif | |
320 | def_file_add_directive (def, d->name, d->len); | |
321 | } | |
322 | ||
323 | return def; | |
324 | } | |
325 | ||
326 | void | |
1579bae1 | 327 | def_file_free (def_file *def) |
252b5132 RH |
328 | { |
329 | int i; | |
a35bc64f | 330 | |
252b5132 RH |
331 | if (!def) |
332 | return; | |
333 | if (def->name) | |
334 | free (def->name); | |
335 | if (def->description) | |
336 | free (def->description); | |
337 | ||
338 | if (def->section_defs) | |
339 | { | |
340 | for (i = 0; i < def->num_section_defs; i++) | |
341 | { | |
342 | if (def->section_defs[i].name) | |
343 | free (def->section_defs[i].name); | |
344 | if (def->section_defs[i].class) | |
345 | free (def->section_defs[i].class); | |
346 | } | |
347 | free (def->section_defs); | |
348 | } | |
349 | ||
350 | if (def->exports) | |
351 | { | |
352 | for (i = 0; i < def->num_exports; i++) | |
353 | { | |
354 | if (def->exports[i].internal_name | |
355 | && def->exports[i].internal_name != def->exports[i].name) | |
356 | free (def->exports[i].internal_name); | |
357 | if (def->exports[i].name) | |
358 | free (def->exports[i].name); | |
359 | } | |
360 | free (def->exports); | |
361 | } | |
362 | ||
363 | if (def->imports) | |
364 | { | |
365 | for (i = 0; i < def->num_imports; i++) | |
366 | { | |
367 | if (def->imports[i].internal_name | |
368 | && def->imports[i].internal_name != def->imports[i].name) | |
369 | free (def->imports[i].internal_name); | |
370 | if (def->imports[i].name) | |
371 | free (def->imports[i].name); | |
372 | } | |
373 | free (def->imports); | |
374 | } | |
375 | ||
376 | while (def->modules) | |
377 | { | |
378 | def_file_module *m = def->modules; | |
379 | def->modules = def->modules->next; | |
380 | free (m); | |
381 | } | |
382 | ||
383 | free (def); | |
384 | } | |
385 | ||
386 | #ifdef DEF_FILE_PRINT | |
387 | void | |
1579bae1 | 388 | def_file_print (FILE *file, def_file *def) |
252b5132 RH |
389 | { |
390 | int i; | |
a35bc64f | 391 | |
252b5132 RH |
392 | fprintf (file, ">>>> def_file at 0x%08x\n", def); |
393 | if (def->name) | |
394 | fprintf (file, " name: %s\n", def->name ? def->name : "(unspecified)"); | |
395 | if (def->is_dll != -1) | |
396 | fprintf (file, " is dll: %s\n", def->is_dll ? "yes" : "no"); | |
1579bae1 | 397 | if (def->base_address != (bfd_vma) -1) |
252b5132 RH |
398 | fprintf (file, " base address: 0x%08x\n", def->base_address); |
399 | if (def->description) | |
400 | fprintf (file, " description: `%s'\n", def->description); | |
401 | if (def->stack_reserve != -1) | |
402 | fprintf (file, " stack reserve: 0x%08x\n", def->stack_reserve); | |
403 | if (def->stack_commit != -1) | |
404 | fprintf (file, " stack commit: 0x%08x\n", def->stack_commit); | |
405 | if (def->heap_reserve != -1) | |
406 | fprintf (file, " heap reserve: 0x%08x\n", def->heap_reserve); | |
407 | if (def->heap_commit != -1) | |
408 | fprintf (file, " heap commit: 0x%08x\n", def->heap_commit); | |
409 | ||
410 | if (def->num_section_defs > 0) | |
411 | { | |
412 | fprintf (file, " section defs:\n"); | |
a35bc64f | 413 | |
252b5132 RH |
414 | for (i = 0; i < def->num_section_defs; i++) |
415 | { | |
416 | fprintf (file, " name: `%s', class: `%s', flags:", | |
417 | def->section_defs[i].name, def->section_defs[i].class); | |
418 | if (def->section_defs[i].flag_read) | |
419 | fprintf (file, " R"); | |
420 | if (def->section_defs[i].flag_write) | |
421 | fprintf (file, " W"); | |
422 | if (def->section_defs[i].flag_execute) | |
423 | fprintf (file, " X"); | |
424 | if (def->section_defs[i].flag_shared) | |
425 | fprintf (file, " S"); | |
426 | fprintf (file, "\n"); | |
427 | } | |
428 | } | |
429 | ||
430 | if (def->num_exports > 0) | |
431 | { | |
432 | fprintf (file, " exports:\n"); | |
a35bc64f | 433 | |
252b5132 RH |
434 | for (i = 0; i < def->num_exports; i++) |
435 | { | |
436 | fprintf (file, " name: `%s', int: `%s', ordinal: %d, flags:", | |
437 | def->exports[i].name, def->exports[i].internal_name, | |
438 | def->exports[i].ordinal); | |
439 | if (def->exports[i].flag_private) | |
440 | fprintf (file, " P"); | |
441 | if (def->exports[i].flag_constant) | |
442 | fprintf (file, " C"); | |
443 | if (def->exports[i].flag_noname) | |
444 | fprintf (file, " N"); | |
445 | if (def->exports[i].flag_data) | |
446 | fprintf (file, " D"); | |
447 | fprintf (file, "\n"); | |
448 | } | |
449 | } | |
450 | ||
451 | if (def->num_imports > 0) | |
452 | { | |
453 | fprintf (file, " imports:\n"); | |
a35bc64f | 454 | |
252b5132 RH |
455 | for (i = 0; i < def->num_imports; i++) |
456 | { | |
457 | fprintf (file, " int: %s, from: `%s', name: `%s', ordinal: %d\n", | |
458 | def->imports[i].internal_name, | |
459 | def->imports[i].module, | |
460 | def->imports[i].name, | |
461 | def->imports[i].ordinal); | |
462 | } | |
463 | } | |
a35bc64f | 464 | |
252b5132 RH |
465 | if (def->version_major != -1) |
466 | fprintf (file, " version: %d.%d\n", def->version_major, def->version_minor); | |
a35bc64f | 467 | |
252b5132 RH |
468 | fprintf (file, "<<<< def_file at 0x%08x\n", def); |
469 | } | |
470 | #endif | |
471 | ||
472 | def_file_export * | |
1579bae1 AM |
473 | def_file_add_export (def_file *def, |
474 | const char *external_name, | |
475 | const char *internal_name, | |
476 | int ordinal) | |
252b5132 RH |
477 | { |
478 | def_file_export *e; | |
479 | int max_exports = ROUND_UP(def->num_exports, 32); | |
a35bc64f | 480 | |
252b5132 RH |
481 | if (def->num_exports >= max_exports) |
482 | { | |
a35bc64f | 483 | max_exports = ROUND_UP(def->num_exports + 1, 32); |
252b5132 | 484 | if (def->exports) |
1579bae1 AM |
485 | def->exports = xrealloc (def->exports, |
486 | max_exports * sizeof (def_file_export)); | |
252b5132 | 487 | else |
1579bae1 | 488 | def->exports = xmalloc (max_exports * sizeof (def_file_export)); |
252b5132 RH |
489 | } |
490 | e = def->exports + def->num_exports; | |
491 | memset (e, 0, sizeof (def_file_export)); | |
492 | if (internal_name && !external_name) | |
493 | external_name = internal_name; | |
494 | if (external_name && !internal_name) | |
495 | internal_name = external_name; | |
496 | e->name = xstrdup (external_name); | |
497 | e->internal_name = xstrdup (internal_name); | |
498 | e->ordinal = ordinal; | |
499 | def->num_exports++; | |
500 | return e; | |
501 | } | |
502 | ||
a35bc64f | 503 | def_file_module * |
1579bae1 | 504 | def_get_module (def_file *def, const char *name) |
a35bc64f NC |
505 | { |
506 | def_file_module *s; | |
507 | ||
508 | for (s = def->modules; s; s = s->next) | |
509 | if (strcmp (s->name, name) == 0) | |
510 | return s; | |
511 | ||
1579bae1 | 512 | return NULL; |
a35bc64f NC |
513 | } |
514 | ||
252b5132 | 515 | static def_file_module * |
1579bae1 | 516 | def_stash_module (def_file *def, const char *name) |
252b5132 RH |
517 | { |
518 | def_file_module *s; | |
a35bc64f | 519 | |
1579bae1 | 520 | if ((s = def_get_module (def, name)) != NULL) |
252b5132 | 521 | return s; |
1579bae1 | 522 | s = xmalloc (sizeof (def_file_module) + strlen (name)); |
252b5132 RH |
523 | s->next = def->modules; |
524 | def->modules = s; | |
525 | s->user_data = 0; | |
526 | strcpy (s->name, name); | |
527 | return s; | |
528 | } | |
529 | ||
530 | def_file_import * | |
1579bae1 AM |
531 | def_file_add_import (def_file *def, |
532 | const char *name, | |
533 | const char *module, | |
534 | int ordinal, | |
535 | const char *internal_name) | |
252b5132 RH |
536 | { |
537 | def_file_import *i; | |
1579bae1 | 538 | int max_imports = ROUND_UP (def->num_imports, 16); |
a35bc64f | 539 | |
252b5132 RH |
540 | if (def->num_imports >= max_imports) |
541 | { | |
1579bae1 | 542 | max_imports = ROUND_UP (def->num_imports+1, 16); |
a35bc64f | 543 | |
252b5132 | 544 | if (def->imports) |
1579bae1 AM |
545 | def->imports = xrealloc (def->imports, |
546 | max_imports * sizeof (def_file_import)); | |
252b5132 | 547 | else |
1579bae1 | 548 | def->imports = xmalloc (max_imports * sizeof (def_file_import)); |
252b5132 RH |
549 | } |
550 | i = def->imports + def->num_imports; | |
551 | memset (i, 0, sizeof (def_file_import)); | |
552 | if (name) | |
553 | i->name = xstrdup (name); | |
554 | if (module) | |
db09f25b | 555 | i->module = def_stash_module (def, module); |
252b5132 RH |
556 | i->ordinal = ordinal; |
557 | if (internal_name) | |
558 | i->internal_name = xstrdup (internal_name); | |
559 | else | |
560 | i->internal_name = i->name; | |
561 | def->num_imports++; | |
a35bc64f | 562 | |
252b5132 RH |
563 | return i; |
564 | } | |
565 | ||
566 | struct | |
567 | { | |
568 | char *param; | |
569 | int token; | |
570 | } | |
571 | diropts[] = | |
572 | { | |
573 | { "-heap", HEAPSIZE }, | |
574 | { "-stack", STACKSIZE }, | |
575 | { "-attr", SECTIONS }, | |
576 | { "-export", EXPORTS }, | |
577 | { 0, 0 } | |
578 | }; | |
579 | ||
580 | void | |
1579bae1 | 581 | def_file_add_directive (def_file *my_def, const char *param, int len) |
252b5132 RH |
582 | { |
583 | def_file *save_def = def; | |
584 | const char *pend = param + len; | |
dc17f155 | 585 | char * tend = (char *) param; |
252b5132 RH |
586 | int i; |
587 | ||
588 | def = my_def; | |
589 | ||
590 | while (param < pend) | |
591 | { | |
1579bae1 AM |
592 | while (param < pend |
593 | && (ISSPACE (*param) || *param == '\n' || *param == 0)) | |
252b5132 | 594 | param++; |
a35bc64f | 595 | |
dc17f155 NC |
596 | if (param == pend) |
597 | break; | |
598 | ||
599 | /* Scan forward until we encounter any of: | |
600 | - the end of the buffer | |
601 | - the start of a new option | |
602 | - a newline seperating options | |
603 | - a NUL seperating options. */ | |
604 | for (tend = (char *) (param + 1); | |
1579bae1 AM |
605 | (tend < pend |
606 | && !(ISSPACE (tend[-1]) && *tend == '-') | |
607 | && *tend != '\n' && *tend != 0); | |
a35bc64f NC |
608 | tend++) |
609 | ; | |
252b5132 RH |
610 | |
611 | for (i = 0; diropts[i].param; i++) | |
612 | { | |
613 | int len = strlen (diropts[i].param); | |
a35bc64f | 614 | |
252b5132 RH |
615 | if (tend - param >= len |
616 | && strncmp (param, diropts[i].param, len) == 0 | |
617 | && (param[len] == ':' || param[len] == ' ')) | |
618 | { | |
619 | lex_parse_string_end = tend; | |
620 | lex_parse_string = param + len + 1; | |
621 | lex_forced_token = diropts[i].token; | |
622 | saw_newline = 0; | |
dc17f155 NC |
623 | if (def_parse ()) |
624 | continue; | |
252b5132 RH |
625 | break; |
626 | } | |
627 | } | |
628 | ||
629 | if (!diropts[i].param) | |
dc17f155 NC |
630 | { |
631 | char saved; | |
632 | ||
633 | saved = * tend; | |
634 | * tend = 0; | |
635 | /* xgettext:c-format */ | |
636 | einfo (_("Warning: .drectve `%s' unrecognized\n"), param); | |
637 | * tend = saved; | |
638 | } | |
a35bc64f | 639 | |
252b5132 RH |
640 | lex_parse_string = 0; |
641 | param = tend; | |
642 | } | |
643 | ||
644 | def = save_def; | |
645 | } | |
646 | ||
a35bc64f | 647 | /* Parser Callbacks. */ |
252b5132 RH |
648 | |
649 | static void | |
1579bae1 | 650 | def_name (const char *name, int base) |
252b5132 RH |
651 | { |
652 | if (def->name) | |
653 | free (def->name); | |
654 | def->name = xstrdup (name); | |
655 | def->base_address = base; | |
656 | def->is_dll = 0; | |
657 | } | |
658 | ||
659 | static void | |
1579bae1 | 660 | def_library (const char *name, int base) |
252b5132 RH |
661 | { |
662 | if (def->name) | |
663 | free (def->name); | |
664 | def->name = xstrdup (name); | |
665 | def->base_address = base; | |
666 | def->is_dll = 1; | |
667 | } | |
668 | ||
669 | static void | |
1579bae1 | 670 | def_description (const char *text) |
252b5132 RH |
671 | { |
672 | int len = def->description ? strlen (def->description) : 0; | |
a35bc64f | 673 | |
252b5132 RH |
674 | len += strlen (text) + 1; |
675 | if (def->description) | |
676 | { | |
1579bae1 | 677 | def->description = xrealloc (def->description, len); |
252b5132 RH |
678 | strcat (def->description, text); |
679 | } | |
680 | else | |
681 | { | |
1579bae1 | 682 | def->description = xmalloc (len); |
252b5132 RH |
683 | strcpy (def->description, text); |
684 | } | |
685 | } | |
686 | ||
687 | static void | |
1579bae1 | 688 | def_stacksize (int reserve, int commit) |
252b5132 RH |
689 | { |
690 | def->stack_reserve = reserve; | |
691 | def->stack_commit = commit; | |
692 | } | |
693 | ||
694 | static void | |
1579bae1 | 695 | def_heapsize (int reserve, int commit) |
252b5132 RH |
696 | { |
697 | def->heap_reserve = reserve; | |
698 | def->heap_commit = commit; | |
699 | } | |
700 | ||
701 | static void | |
1579bae1 | 702 | def_section (const char *name, int attr) |
252b5132 RH |
703 | { |
704 | def_file_section *s; | |
1579bae1 | 705 | int max_sections = ROUND_UP (def->num_section_defs, 4); |
a35bc64f | 706 | |
252b5132 RH |
707 | if (def->num_section_defs >= max_sections) |
708 | { | |
1579bae1 | 709 | max_sections = ROUND_UP (def->num_section_defs+1, 4); |
a35bc64f | 710 | |
252b5132 | 711 | if (def->section_defs) |
1579bae1 AM |
712 | def->section_defs = xrealloc (def->section_defs, |
713 | max_sections * sizeof (def_file_import)); | |
252b5132 | 714 | else |
1579bae1 | 715 | def->section_defs = xmalloc (max_sections * sizeof (def_file_import)); |
252b5132 RH |
716 | } |
717 | s = def->section_defs + def->num_section_defs; | |
718 | memset (s, 0, sizeof (def_file_section)); | |
719 | s->name = xstrdup (name); | |
720 | if (attr & 1) | |
721 | s->flag_read = 1; | |
722 | if (attr & 2) | |
723 | s->flag_write = 1; | |
724 | if (attr & 4) | |
725 | s->flag_execute = 1; | |
726 | if (attr & 8) | |
727 | s->flag_shared = 1; | |
728 | ||
729 | def->num_section_defs++; | |
730 | } | |
731 | ||
732 | static void | |
1579bae1 | 733 | def_section_alt (const char *name, const char *attr) |
252b5132 RH |
734 | { |
735 | int aval = 0; | |
a35bc64f | 736 | |
252b5132 RH |
737 | for (; *attr; attr++) |
738 | { | |
739 | switch (*attr) | |
740 | { | |
741 | case 'R': | |
742 | case 'r': | |
743 | aval |= 1; | |
744 | break; | |
745 | case 'W': | |
746 | case 'w': | |
747 | aval |= 2; | |
748 | break; | |
749 | case 'X': | |
750 | case 'x': | |
751 | aval |= 4; | |
752 | break; | |
753 | case 'S': | |
754 | case 's': | |
755 | aval |= 8; | |
756 | break; | |
757 | } | |
758 | } | |
759 | def_section (name, aval); | |
760 | } | |
761 | ||
762 | static void | |
1579bae1 AM |
763 | def_exports (const char *external_name, |
764 | const char *internal_name, | |
765 | int ordinal, | |
766 | int flags) | |
252b5132 RH |
767 | { |
768 | def_file_export *dfe; | |
769 | ||
770 | if (!internal_name && external_name) | |
771 | internal_name = external_name; | |
772 | #if TRACE | |
773 | printf ("def_exports, ext=%s int=%s\n", external_name, internal_name); | |
774 | #endif | |
775 | ||
776 | dfe = def_file_add_export (def, external_name, internal_name, ordinal); | |
777 | if (flags & 1) | |
778 | dfe->flag_noname = 1; | |
779 | if (flags & 2) | |
780 | dfe->flag_constant = 1; | |
781 | if (flags & 4) | |
782 | dfe->flag_data = 1; | |
783 | if (flags & 8) | |
784 | dfe->flag_private = 1; | |
785 | } | |
786 | ||
787 | static void | |
1579bae1 AM |
788 | def_import (const char *internal_name, |
789 | const char *module, | |
790 | const char *dllext, | |
791 | const char *name, | |
792 | int ordinal) | |
252b5132 RH |
793 | { |
794 | char *buf = 0; | |
053c44e1 DS |
795 | const char *ext = dllext ? dllext : "dll"; |
796 | ||
1579bae1 | 797 | buf = xmalloc (strlen (module) + strlen (ext) + 2); |
053c44e1 DS |
798 | sprintf (buf, "%s.%s", module, ext); |
799 | module = buf; | |
252b5132 RH |
800 | |
801 | def_file_add_import (def, name, module, ordinal, internal_name); | |
802 | if (buf) | |
803 | free (buf); | |
804 | } | |
805 | ||
806 | static void | |
1579bae1 | 807 | def_version (int major, int minor) |
252b5132 RH |
808 | { |
809 | def->version_major = major; | |
810 | def->version_minor = minor; | |
811 | } | |
812 | ||
813 | static void | |
1579bae1 | 814 | def_directive (char *str) |
252b5132 | 815 | { |
1579bae1 | 816 | struct directive *d = xmalloc (sizeof (struct directive)); |
a35bc64f | 817 | |
252b5132 RH |
818 | d->next = directives; |
819 | directives = d; | |
820 | d->name = xstrdup (str); | |
821 | d->len = strlen (str); | |
822 | } | |
823 | ||
824 | static int | |
1579bae1 | 825 | def_error (const char *err) |
252b5132 | 826 | { |
1579bae1 AM |
827 | einfo ("%P: %s:%d: %s\n", |
828 | def_filename ? def_filename : "<unknown-file>", linenumber, err); | |
252b5132 RH |
829 | return 0; |
830 | } | |
831 | ||
832 | ||
a35bc64f | 833 | /* Lexical Scanner. */ |
252b5132 RH |
834 | |
835 | #undef TRACE | |
836 | #define TRACE 0 | |
837 | ||
a35bc64f | 838 | /* Never freed, but always reused as needed, so no real leak. */ |
252b5132 RH |
839 | static char *buffer = 0; |
840 | static int buflen = 0; | |
841 | static int bufptr = 0; | |
842 | ||
843 | static void | |
1579bae1 | 844 | put_buf (char c) |
252b5132 RH |
845 | { |
846 | if (bufptr == buflen) | |
847 | { | |
a35bc64f | 848 | buflen += 50; /* overly reasonable, eh? */ |
252b5132 | 849 | if (buffer) |
1579bae1 | 850 | buffer = xrealloc (buffer, buflen + 1); |
252b5132 | 851 | else |
1579bae1 | 852 | buffer = xmalloc (buflen + 1); |
252b5132 RH |
853 | } |
854 | buffer[bufptr++] = c; | |
a35bc64f | 855 | buffer[bufptr] = 0; /* not optimal, but very convenient. */ |
252b5132 RH |
856 | } |
857 | ||
858 | static struct | |
859 | { | |
860 | char *name; | |
861 | int token; | |
862 | } | |
863 | tokens[] = | |
864 | { | |
865 | { "BASE", BASE }, | |
866 | { "CODE", CODE }, | |
7c9e78f8 DD |
867 | { "CONSTANT", CONSTANTU }, |
868 | { "constant", CONSTANTL }, | |
869 | { "DATA", DATAU }, | |
870 | { "data", DATAL }, | |
252b5132 RH |
871 | { "DESCRIPTION", DESCRIPTION }, |
872 | { "DIRECTIVE", DIRECTIVE }, | |
873 | { "EXECUTE", EXECUTE }, | |
874 | { "EXPORTS", EXPORTS }, | |
875 | { "HEAPSIZE", HEAPSIZE }, | |
876 | { "IMPORTS", IMPORTS }, | |
877 | { "LIBRARY", LIBRARY }, | |
878 | { "NAME", NAME }, | |
7c9e78f8 DD |
879 | { "NONAME", NONAMEU }, |
880 | { "noname", NONAMEL }, | |
881 | { "PRIVATE", PRIVATEU }, | |
882 | { "private", PRIVATEL }, | |
252b5132 RH |
883 | { "READ", READ }, |
884 | { "SECTIONS", SECTIONS }, | |
885 | { "SEGMENTS", SECTIONS }, | |
886 | { "SHARED", SHARED }, | |
887 | { "STACKSIZE", STACKSIZE }, | |
888 | { "VERSION", VERSIONK }, | |
889 | { "WRITE", WRITE }, | |
890 | { 0, 0 } | |
891 | }; | |
892 | ||
893 | static int | |
1579bae1 | 894 | def_getc (void) |
252b5132 RH |
895 | { |
896 | int rv; | |
a35bc64f | 897 | |
252b5132 RH |
898 | if (lex_parse_string) |
899 | { | |
900 | if (lex_parse_string >= lex_parse_string_end) | |
901 | rv = EOF; | |
902 | else | |
903 | rv = *lex_parse_string++; | |
904 | } | |
905 | else | |
906 | { | |
907 | rv = fgetc (the_file); | |
908 | } | |
909 | if (rv == '\n') | |
910 | saw_newline = 1; | |
911 | return rv; | |
912 | } | |
913 | ||
914 | static int | |
1579bae1 | 915 | def_ungetc (int c) |
252b5132 RH |
916 | { |
917 | if (lex_parse_string) | |
918 | { | |
919 | lex_parse_string--; | |
920 | return c; | |
921 | } | |
922 | else | |
923 | return ungetc (c, the_file); | |
924 | } | |
925 | ||
926 | static int | |
1579bae1 | 927 | def_lex (void) |
252b5132 RH |
928 | { |
929 | int c, i, q; | |
930 | ||
931 | if (lex_forced_token) | |
932 | { | |
933 | i = lex_forced_token; | |
934 | lex_forced_token = 0; | |
935 | #if TRACE | |
936 | printf ("lex: forcing token %d\n", i); | |
937 | #endif | |
938 | return i; | |
939 | } | |
940 | ||
941 | c = def_getc (); | |
942 | ||
a35bc64f | 943 | /* Trim leading whitespace. */ |
252b5132 RH |
944 | while (c != EOF && (c == ' ' || c == '\t') && saw_newline) |
945 | c = def_getc (); | |
946 | ||
947 | if (c == EOF) | |
948 | { | |
949 | #if TRACE | |
950 | printf ("lex: EOF\n"); | |
951 | #endif | |
952 | return 0; | |
953 | } | |
954 | ||
955 | if (saw_newline && c == ';') | |
956 | { | |
957 | do | |
958 | { | |
959 | c = def_getc (); | |
960 | } | |
961 | while (c != EOF && c != '\n'); | |
962 | if (c == '\n') | |
963 | return def_lex (); | |
964 | return 0; | |
965 | } | |
a35bc64f NC |
966 | |
967 | /* Must be something else. */ | |
252b5132 RH |
968 | saw_newline = 0; |
969 | ||
3882b010 | 970 | if (ISDIGIT (c)) |
252b5132 RH |
971 | { |
972 | bufptr = 0; | |
3882b010 | 973 | while (c != EOF && (ISXDIGIT (c) || (c == 'x'))) |
252b5132 RH |
974 | { |
975 | put_buf (c); | |
976 | c = def_getc (); | |
977 | } | |
978 | if (c != EOF) | |
979 | def_ungetc (c); | |
980 | yylval.number = strtoul (buffer, 0, 0); | |
981 | #if TRACE | |
982 | printf ("lex: `%s' returns NUMBER %d\n", buffer, yylval.number); | |
983 | #endif | |
984 | return NUMBER; | |
985 | } | |
986 | ||
c9e38879 | 987 | if (ISALPHA (c) || strchr ("$:-_?@", c)) |
252b5132 RH |
988 | { |
989 | bufptr = 0; | |
c9e38879 NC |
990 | q = c; |
991 | put_buf (c); | |
992 | c = def_getc (); | |
993 | ||
994 | if (q == '@') | |
995 | { | |
996 | if (ISBLANK (c) ) /* '@' followed by whitespace. */ | |
997 | return (q); | |
998 | else if (ISDIGIT (c)) /* '@' followed by digit. */ | |
999 | { | |
1000 | def_ungetc (c); | |
1001 | return (q); | |
1002 | } | |
1003 | #if TRACE | |
1004 | printf ("lex: @ returns itself\n"); | |
1005 | #endif | |
1006 | } | |
1007 | ||
053c44e1 | 1008 | while (c != EOF && (ISALNUM (c) || strchr ("$:-_?/@", c))) |
252b5132 RH |
1009 | { |
1010 | put_buf (c); | |
1011 | c = def_getc (); | |
1012 | } | |
1013 | if (c != EOF) | |
1014 | def_ungetc (c); | |
c9e38879 NC |
1015 | if (ISALPHA (q)) /* Check for tokens. */ |
1016 | { | |
1017 | for (i = 0; tokens[i].name; i++) | |
1018 | if (strcmp (tokens[i].name, buffer) == 0) | |
1019 | { | |
252b5132 | 1020 | #if TRACE |
c9e38879 | 1021 | printf ("lex: `%s' is a string token\n", buffer); |
252b5132 | 1022 | #endif |
c9e38879 NC |
1023 | return tokens[i].token; |
1024 | } | |
1025 | } | |
252b5132 RH |
1026 | #if TRACE |
1027 | printf ("lex: `%s' returns ID\n", buffer); | |
1028 | #endif | |
1029 | yylval.id = xstrdup (buffer); | |
1030 | return ID; | |
1031 | } | |
1032 | ||
1033 | if (c == '\'' || c == '"') | |
1034 | { | |
1035 | q = c; | |
1036 | c = def_getc (); | |
1037 | bufptr = 0; | |
a35bc64f | 1038 | |
252b5132 RH |
1039 | while (c != EOF && c != q) |
1040 | { | |
1041 | put_buf (c); | |
1042 | c = def_getc (); | |
1043 | } | |
1044 | yylval.id = xstrdup (buffer); | |
1045 | #if TRACE | |
1046 | printf ("lex: `%s' returns ID\n", buffer); | |
1047 | #endif | |
1048 | return ID; | |
1049 | } | |
1050 | ||
c9e38879 | 1051 | if (c == '=' || c == '.' || c == ',') |
252b5132 RH |
1052 | { |
1053 | #if TRACE | |
1054 | printf ("lex: `%c' returns itself\n", c); | |
1055 | #endif | |
1056 | return c; | |
1057 | } | |
1058 | ||
1059 | if (c == '\n') | |
1060 | { | |
1061 | linenumber++; | |
1062 | saw_newline = 1; | |
1063 | } | |
1064 | ||
1065 | /*printf ("lex: 0x%02x ignored\n", c); */ | |
1066 | return def_lex (); | |
1067 | } |