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252b5132 RH |
1 | %{ /* deffilep.y - parser for .def files */ |
2 | ||
3db64b00 | 3 | /* Copyright 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007 |
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 | |
75be928b | 20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ |
252b5132 | 21 | |
3db64b00 | 22 | #include "sysdep.h" |
252b5132 | 23 | #include "libiberty.h" |
3882b010 | 24 | #include "safe-ctype.h" |
252b5132 | 25 | #include "bfd.h" |
252b5132 RH |
26 | #include "ld.h" |
27 | #include "ldmisc.h" | |
28 | #include "deffile.h" | |
29 | ||
30 | #define TRACE 0 | |
31 | ||
32 | #define ROUND_UP(a, b) (((a)+((b)-1))&~((b)-1)) | |
33 | ||
34 | /* Remap normal yacc parser interface names (yyparse, yylex, yyerror, etc), | |
35 | as well as gratuitiously global symbol names, so we can have multiple | |
36 | yacc generated parsers in ld. Note that these are only the variables | |
37 | produced by yacc. If other parser generators (bison, byacc, etc) produce | |
38 | additional global names that conflict at link time, then those parser | |
a35bc64f | 39 | generators need to be fixed instead of adding those names to this list. */ |
252b5132 RH |
40 | |
41 | #define yymaxdepth def_maxdepth | |
42 | #define yyparse def_parse | |
43 | #define yylex def_lex | |
44 | #define yyerror def_error | |
45 | #define yylval def_lval | |
46 | #define yychar def_char | |
47 | #define yydebug def_debug | |
48 | #define yypact def_pact | |
49 | #define yyr1 def_r1 | |
50 | #define yyr2 def_r2 | |
51 | #define yydef def_def | |
52 | #define yychk def_chk | |
53 | #define yypgo def_pgo | |
54 | #define yyact def_act | |
55 | #define yyexca def_exca | |
56 | #define yyerrflag def_errflag | |
57 | #define yynerrs def_nerrs | |
58 | #define yyps def_ps | |
59 | #define yypv def_pv | |
60 | #define yys def_s | |
61 | #define yy_yys def_yys | |
62 | #define yystate def_state | |
63 | #define yytmp def_tmp | |
64 | #define yyv def_v | |
65 | #define yy_yyv def_yyv | |
66 | #define yyval def_val | |
67 | #define yylloc def_lloc | |
a35bc64f NC |
68 | #define yyreds def_reds /* With YYDEBUG defined. */ |
69 | #define yytoks def_toks /* With YYDEBUG defined. */ | |
252b5132 RH |
70 | #define yylhs def_yylhs |
71 | #define yylen def_yylen | |
72 | #define yydefred def_yydefred | |
73 | #define yydgoto def_yydgoto | |
74 | #define yysindex def_yysindex | |
75 | #define yyrindex def_yyrindex | |
76 | #define yygindex def_yygindex | |
77 | #define yytable def_yytable | |
78 | #define yycheck def_yycheck | |
79 | ||
1579bae1 AM |
80 | static void def_description (const char *); |
81 | static void def_exports (const char *, const char *, int, int); | |
82 | static void def_heapsize (int, int); | |
83 | static void def_import (const char *, const char *, const char *, const char *, | |
84 | int); | |
a880c748 | 85 | static void def_image_name (const char *, int, int); |
1579bae1 AM |
86 | static void def_section (const char *, int); |
87 | static void def_section_alt (const char *, const char *); | |
88 | static void def_stacksize (int, int); | |
89 | static void def_version (int, int); | |
90 | static void def_directive (char *); | |
91 | static int def_parse (void); | |
92 | static int def_error (const char *); | |
93 | static int def_lex (void); | |
252b5132 RH |
94 | |
95 | static int lex_forced_token = 0; | |
96 | static const char *lex_parse_string = 0; | |
97 | static const char *lex_parse_string_end = 0; | |
98 | ||
99 | %} | |
100 | ||
101 | %union { | |
102 | char *id; | |
103 | int number; | |
104 | }; | |
105 | ||
655f76a2 AS |
106 | %token NAME LIBRARY DESCRIPTION STACKSIZE HEAPSIZE CODE DATAU DATAL |
107 | %token SECTIONS EXPORTS IMPORTS VERSIONK BASE CONSTANTU CONSTANTL | |
108 | %token PRIVATEU PRIVATEL | |
7c9e78f8 | 109 | %token READ WRITE EXECUTE SHARED NONAMEU NONAMEL DIRECTIVE |
252b5132 RH |
110 | %token <id> ID |
111 | %token <number> NUMBER | |
112 | %type <number> opt_base opt_ordinal | |
113 | %type <number> attr attr_list opt_number exp_opt_list exp_opt | |
053c44e1 | 114 | %type <id> opt_name opt_equal_name dot_name |
252b5132 RH |
115 | |
116 | %% | |
117 | ||
118 | start: start command | |
119 | | command | |
120 | ; | |
121 | ||
122 | command: | |
a880c748 DS |
123 | NAME opt_name opt_base { def_image_name ($2, $3, 0); } |
124 | | LIBRARY opt_name opt_base { def_image_name ($2, $3, 1); } | |
252b5132 RH |
125 | | DESCRIPTION ID { def_description ($2);} |
126 | | STACKSIZE NUMBER opt_number { def_stacksize ($2, $3);} | |
127 | | HEAPSIZE NUMBER opt_number { def_heapsize ($2, $3);} | |
128 | | CODE attr_list { def_section ("CODE", $2);} | |
7c9e78f8 | 129 | | DATAU attr_list { def_section ("DATA", $2);} |
252b5132 RH |
130 | | SECTIONS seclist |
131 | | EXPORTS explist | |
132 | | IMPORTS implist | |
133 | | VERSIONK NUMBER { def_version ($2, 0);} | |
134 | | VERSIONK NUMBER '.' NUMBER { def_version ($2, $4);} | |
135 | | DIRECTIVE ID { def_directive ($2);} | |
136 | ; | |
137 | ||
138 | ||
139 | explist: | |
140 | /* EMPTY */ | |
141 | | expline | |
142 | | explist expline | |
143 | ; | |
144 | ||
145 | expline: | |
7c9e78f8 DD |
146 | /* The opt_comma is necessary to support both the usual |
147 | DEF file syntax as well as .drectve syntax which | |
148 | mandates <expsym>,<expoptlist>. */ | |
053c44e1 | 149 | dot_name opt_equal_name opt_ordinal opt_comma exp_opt_list |
7c9e78f8 | 150 | { def_exports ($1, $2, $3, $5); } |
252b5132 RH |
151 | ; |
152 | exp_opt_list: | |
7c9e78f8 DD |
153 | /* The opt_comma is necessary to support both the usual |
154 | DEF file syntax as well as .drectve syntax which | |
155 | allows for comma separated opt list. */ | |
156 | exp_opt opt_comma exp_opt_list { $$ = $1 | $3; } | |
252b5132 RH |
157 | | { $$ = 0; } |
158 | ; | |
159 | exp_opt: | |
7c9e78f8 DD |
160 | NONAMEU { $$ = 1; } |
161 | | NONAMEL { $$ = 1; } | |
162 | | CONSTANTU { $$ = 2; } | |
163 | | CONSTANTL { $$ = 2; } | |
164 | | DATAU { $$ = 4; } | |
165 | | DATAL { $$ = 4; } | |
166 | | PRIVATEU { $$ = 8; } | |
167 | | PRIVATEL { $$ = 8; } | |
252b5132 RH |
168 | ; |
169 | implist: | |
170 | implist impline | |
171 | | impline | |
172 | ; | |
173 | ||
174 | impline: | |
175 | ID '=' ID '.' ID '.' ID { def_import ($1, $3, $5, $7, -1); } | |
176 | | ID '=' ID '.' ID '.' NUMBER { def_import ($1, $3, $5, 0, $7); } | |
177 | | ID '=' ID '.' ID { def_import ($1, $3, 0, $5, -1); } | |
178 | | ID '=' ID '.' NUMBER { def_import ($1, $3, 0, 0, $5); } | |
179 | | ID '.' ID '.' ID { def_import ( 0, $1, $3, $5, -1); } | |
180 | | ID '.' ID { def_import ( 0, $1, 0, $3, -1); } | |
181 | ; | |
182 | ||
183 | seclist: | |
184 | seclist secline | |
185 | | secline | |
186 | ; | |
187 | ||
188 | secline: | |
189 | ID attr_list { def_section ($1, $2);} | |
190 | | ID ID { def_section_alt ($1, $2);} | |
191 | ; | |
192 | ||
193 | attr_list: | |
194 | attr_list opt_comma attr { $$ = $1 | $3; } | |
195 | | attr { $$ = $1; } | |
196 | ; | |
197 | ||
198 | opt_comma: | |
199 | ',' | |
200 | | | |
201 | ; | |
202 | opt_number: ',' NUMBER { $$=$2;} | |
203 | | { $$=-1;} | |
204 | ; | |
205 | ||
206 | attr: | |
207 | READ { $$ = 1;} | |
208 | | WRITE { $$ = 2;} | |
209 | | EXECUTE { $$=4;} | |
210 | | SHARED { $$=8;} | |
211 | ; | |
212 | ||
213 | opt_name: ID { $$ = $1; } | |
5aaace27 NC |
214 | | ID '.' ID |
215 | { | |
1579bae1 | 216 | char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); |
5aaace27 NC |
217 | sprintf (name, "%s.%s", $1, $3); |
218 | $$ = name; | |
219 | } | |
220 | | { $$ = ""; } | |
252b5132 RH |
221 | ; |
222 | ||
223 | opt_ordinal: | |
224 | '@' NUMBER { $$ = $2;} | |
225 | | { $$ = -1;} | |
226 | ; | |
227 | ||
228 | opt_equal_name: | |
053c44e1 | 229 | '=' dot_name { $$ = $2; } |
252b5132 RH |
230 | | { $$ = 0; } |
231 | ; | |
232 | ||
233 | opt_base: BASE '=' NUMBER { $$ = $3;} | |
4064c856 | 234 | | { $$ = -1;} |
252b5132 RH |
235 | ; |
236 | ||
053c44e1 DS |
237 | dot_name: ID { $$ = $1; } |
238 | | dot_name '.' ID | |
239 | { | |
1579bae1 | 240 | char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); |
053c44e1 DS |
241 | sprintf (name, "%s.%s", $1, $3); |
242 | $$ = name; | |
243 | } | |
244 | ; | |
252b5132 RH |
245 | |
246 | ||
247 | %% | |
248 | ||
249 | /***************************************************************************** | |
250 | API | |
251 | *****************************************************************************/ | |
252 | ||
253 | static FILE *the_file; | |
254 | static const char *def_filename; | |
255 | static int linenumber; | |
256 | static def_file *def; | |
257 | static int saw_newline; | |
258 | ||
259 | struct directive | |
260 | { | |
261 | struct directive *next; | |
262 | char *name; | |
263 | int len; | |
264 | }; | |
265 | ||
266 | static struct directive *directives = 0; | |
267 | ||
268 | def_file * | |
1579bae1 | 269 | def_file_empty (void) |
252b5132 | 270 | { |
1579bae1 | 271 | def_file *rv = xmalloc (sizeof (def_file)); |
252b5132 RH |
272 | memset (rv, 0, sizeof (def_file)); |
273 | rv->is_dll = -1; | |
1579bae1 | 274 | rv->base_address = (bfd_vma) -1; |
252b5132 RH |
275 | rv->stack_reserve = rv->stack_commit = -1; |
276 | rv->heap_reserve = rv->heap_commit = -1; | |
277 | rv->version_major = rv->version_minor = -1; | |
278 | return rv; | |
279 | } | |
280 | ||
281 | def_file * | |
1579bae1 | 282 | def_file_parse (const char *filename, def_file *add_to) |
252b5132 RH |
283 | { |
284 | struct directive *d; | |
285 | ||
286 | the_file = fopen (filename, "r"); | |
287 | def_filename = filename; | |
288 | linenumber = 1; | |
289 | if (!the_file) | |
290 | { | |
291 | perror (filename); | |
292 | return 0; | |
293 | } | |
294 | if (add_to) | |
295 | { | |
296 | def = add_to; | |
297 | } | |
298 | else | |
299 | { | |
300 | def = def_file_empty (); | |
301 | } | |
302 | ||
303 | saw_newline = 1; | |
304 | if (def_parse ()) | |
305 | { | |
306 | def_file_free (def); | |
307 | fclose (the_file); | |
308 | return 0; | |
309 | } | |
310 | ||
311 | fclose (the_file); | |
312 | ||
313 | for (d = directives; d; d = d->next) | |
314 | { | |
315 | #if TRACE | |
316 | printf ("Adding directive %08x `%s'\n", d->name, d->name); | |
317 | #endif | |
318 | def_file_add_directive (def, d->name, d->len); | |
319 | } | |
320 | ||
321 | return def; | |
322 | } | |
323 | ||
324 | void | |
1579bae1 | 325 | def_file_free (def_file *def) |
252b5132 RH |
326 | { |
327 | int i; | |
a35bc64f | 328 | |
252b5132 RH |
329 | if (!def) |
330 | return; | |
331 | if (def->name) | |
332 | free (def->name); | |
333 | if (def->description) | |
334 | free (def->description); | |
335 | ||
336 | if (def->section_defs) | |
337 | { | |
338 | for (i = 0; i < def->num_section_defs; i++) | |
339 | { | |
340 | if (def->section_defs[i].name) | |
341 | free (def->section_defs[i].name); | |
342 | if (def->section_defs[i].class) | |
343 | free (def->section_defs[i].class); | |
344 | } | |
345 | free (def->section_defs); | |
346 | } | |
347 | ||
348 | if (def->exports) | |
349 | { | |
350 | for (i = 0; i < def->num_exports; i++) | |
351 | { | |
352 | if (def->exports[i].internal_name | |
353 | && def->exports[i].internal_name != def->exports[i].name) | |
354 | free (def->exports[i].internal_name); | |
355 | if (def->exports[i].name) | |
356 | free (def->exports[i].name); | |
357 | } | |
358 | free (def->exports); | |
359 | } | |
360 | ||
361 | if (def->imports) | |
362 | { | |
363 | for (i = 0; i < def->num_imports; i++) | |
364 | { | |
365 | if (def->imports[i].internal_name | |
366 | && def->imports[i].internal_name != def->imports[i].name) | |
367 | free (def->imports[i].internal_name); | |
368 | if (def->imports[i].name) | |
369 | free (def->imports[i].name); | |
370 | } | |
371 | free (def->imports); | |
372 | } | |
373 | ||
374 | while (def->modules) | |
375 | { | |
376 | def_file_module *m = def->modules; | |
377 | def->modules = def->modules->next; | |
378 | free (m); | |
379 | } | |
380 | ||
381 | free (def); | |
382 | } | |
383 | ||
384 | #ifdef DEF_FILE_PRINT | |
385 | void | |
1579bae1 | 386 | def_file_print (FILE *file, def_file *def) |
252b5132 RH |
387 | { |
388 | int i; | |
a35bc64f | 389 | |
252b5132 RH |
390 | fprintf (file, ">>>> def_file at 0x%08x\n", def); |
391 | if (def->name) | |
392 | fprintf (file, " name: %s\n", def->name ? def->name : "(unspecified)"); | |
393 | if (def->is_dll != -1) | |
394 | fprintf (file, " is dll: %s\n", def->is_dll ? "yes" : "no"); | |
1579bae1 | 395 | if (def->base_address != (bfd_vma) -1) |
252b5132 RH |
396 | fprintf (file, " base address: 0x%08x\n", def->base_address); |
397 | if (def->description) | |
398 | fprintf (file, " description: `%s'\n", def->description); | |
399 | if (def->stack_reserve != -1) | |
400 | fprintf (file, " stack reserve: 0x%08x\n", def->stack_reserve); | |
401 | if (def->stack_commit != -1) | |
402 | fprintf (file, " stack commit: 0x%08x\n", def->stack_commit); | |
403 | if (def->heap_reserve != -1) | |
404 | fprintf (file, " heap reserve: 0x%08x\n", def->heap_reserve); | |
405 | if (def->heap_commit != -1) | |
406 | fprintf (file, " heap commit: 0x%08x\n", def->heap_commit); | |
407 | ||
408 | if (def->num_section_defs > 0) | |
409 | { | |
410 | fprintf (file, " section defs:\n"); | |
a35bc64f | 411 | |
252b5132 RH |
412 | for (i = 0; i < def->num_section_defs; i++) |
413 | { | |
414 | fprintf (file, " name: `%s', class: `%s', flags:", | |
415 | def->section_defs[i].name, def->section_defs[i].class); | |
416 | if (def->section_defs[i].flag_read) | |
417 | fprintf (file, " R"); | |
418 | if (def->section_defs[i].flag_write) | |
419 | fprintf (file, " W"); | |
420 | if (def->section_defs[i].flag_execute) | |
421 | fprintf (file, " X"); | |
422 | if (def->section_defs[i].flag_shared) | |
423 | fprintf (file, " S"); | |
424 | fprintf (file, "\n"); | |
425 | } | |
426 | } | |
427 | ||
428 | if (def->num_exports > 0) | |
429 | { | |
430 | fprintf (file, " exports:\n"); | |
a35bc64f | 431 | |
252b5132 RH |
432 | for (i = 0; i < def->num_exports; i++) |
433 | { | |
434 | fprintf (file, " name: `%s', int: `%s', ordinal: %d, flags:", | |
435 | def->exports[i].name, def->exports[i].internal_name, | |
436 | def->exports[i].ordinal); | |
437 | if (def->exports[i].flag_private) | |
438 | fprintf (file, " P"); | |
439 | if (def->exports[i].flag_constant) | |
440 | fprintf (file, " C"); | |
441 | if (def->exports[i].flag_noname) | |
442 | fprintf (file, " N"); | |
443 | if (def->exports[i].flag_data) | |
444 | fprintf (file, " D"); | |
445 | fprintf (file, "\n"); | |
446 | } | |
447 | } | |
448 | ||
449 | if (def->num_imports > 0) | |
450 | { | |
451 | fprintf (file, " imports:\n"); | |
a35bc64f | 452 | |
252b5132 RH |
453 | for (i = 0; i < def->num_imports; i++) |
454 | { | |
455 | fprintf (file, " int: %s, from: `%s', name: `%s', ordinal: %d\n", | |
456 | def->imports[i].internal_name, | |
457 | def->imports[i].module, | |
458 | def->imports[i].name, | |
459 | def->imports[i].ordinal); | |
460 | } | |
461 | } | |
a35bc64f | 462 | |
252b5132 RH |
463 | if (def->version_major != -1) |
464 | fprintf (file, " version: %d.%d\n", def->version_major, def->version_minor); | |
a35bc64f | 465 | |
252b5132 RH |
466 | fprintf (file, "<<<< def_file at 0x%08x\n", def); |
467 | } | |
468 | #endif | |
469 | ||
470 | def_file_export * | |
1579bae1 AM |
471 | def_file_add_export (def_file *def, |
472 | const char *external_name, | |
473 | const char *internal_name, | |
474 | int ordinal) | |
252b5132 RH |
475 | { |
476 | def_file_export *e; | |
477 | int max_exports = ROUND_UP(def->num_exports, 32); | |
a35bc64f | 478 | |
252b5132 RH |
479 | if (def->num_exports >= max_exports) |
480 | { | |
a35bc64f | 481 | max_exports = ROUND_UP(def->num_exports + 1, 32); |
252b5132 | 482 | if (def->exports) |
1579bae1 AM |
483 | def->exports = xrealloc (def->exports, |
484 | max_exports * sizeof (def_file_export)); | |
252b5132 | 485 | else |
1579bae1 | 486 | def->exports = xmalloc (max_exports * sizeof (def_file_export)); |
252b5132 RH |
487 | } |
488 | e = def->exports + def->num_exports; | |
489 | memset (e, 0, sizeof (def_file_export)); | |
490 | if (internal_name && !external_name) | |
491 | external_name = internal_name; | |
492 | if (external_name && !internal_name) | |
493 | internal_name = external_name; | |
494 | e->name = xstrdup (external_name); | |
495 | e->internal_name = xstrdup (internal_name); | |
496 | e->ordinal = ordinal; | |
497 | def->num_exports++; | |
498 | return e; | |
499 | } | |
500 | ||
a35bc64f | 501 | def_file_module * |
1579bae1 | 502 | def_get_module (def_file *def, const char *name) |
a35bc64f NC |
503 | { |
504 | def_file_module *s; | |
505 | ||
506 | for (s = def->modules; s; s = s->next) | |
507 | if (strcmp (s->name, name) == 0) | |
508 | return s; | |
509 | ||
1579bae1 | 510 | return NULL; |
a35bc64f NC |
511 | } |
512 | ||
252b5132 | 513 | static def_file_module * |
1579bae1 | 514 | def_stash_module (def_file *def, const char *name) |
252b5132 RH |
515 | { |
516 | def_file_module *s; | |
a35bc64f | 517 | |
1579bae1 | 518 | if ((s = def_get_module (def, name)) != NULL) |
252b5132 | 519 | return s; |
1579bae1 | 520 | s = xmalloc (sizeof (def_file_module) + strlen (name)); |
252b5132 RH |
521 | s->next = def->modules; |
522 | def->modules = s; | |
523 | s->user_data = 0; | |
524 | strcpy (s->name, name); | |
525 | return s; | |
526 | } | |
527 | ||
528 | def_file_import * | |
1579bae1 AM |
529 | def_file_add_import (def_file *def, |
530 | const char *name, | |
531 | const char *module, | |
532 | int ordinal, | |
533 | const char *internal_name) | |
252b5132 RH |
534 | { |
535 | def_file_import *i; | |
1579bae1 | 536 | int max_imports = ROUND_UP (def->num_imports, 16); |
a35bc64f | 537 | |
252b5132 RH |
538 | if (def->num_imports >= max_imports) |
539 | { | |
1579bae1 | 540 | max_imports = ROUND_UP (def->num_imports+1, 16); |
a35bc64f | 541 | |
252b5132 | 542 | if (def->imports) |
1579bae1 AM |
543 | def->imports = xrealloc (def->imports, |
544 | max_imports * sizeof (def_file_import)); | |
252b5132 | 545 | else |
1579bae1 | 546 | def->imports = xmalloc (max_imports * sizeof (def_file_import)); |
252b5132 RH |
547 | } |
548 | i = def->imports + def->num_imports; | |
549 | memset (i, 0, sizeof (def_file_import)); | |
550 | if (name) | |
551 | i->name = xstrdup (name); | |
552 | if (module) | |
db09f25b | 553 | i->module = def_stash_module (def, module); |
252b5132 RH |
554 | i->ordinal = ordinal; |
555 | if (internal_name) | |
556 | i->internal_name = xstrdup (internal_name); | |
557 | else | |
558 | i->internal_name = i->name; | |
559 | def->num_imports++; | |
a35bc64f | 560 | |
252b5132 RH |
561 | return i; |
562 | } | |
563 | ||
564 | struct | |
565 | { | |
566 | char *param; | |
567 | int token; | |
568 | } | |
569 | diropts[] = | |
570 | { | |
571 | { "-heap", HEAPSIZE }, | |
572 | { "-stack", STACKSIZE }, | |
573 | { "-attr", SECTIONS }, | |
574 | { "-export", EXPORTS }, | |
575 | { 0, 0 } | |
576 | }; | |
577 | ||
578 | void | |
1579bae1 | 579 | def_file_add_directive (def_file *my_def, const char *param, int len) |
252b5132 RH |
580 | { |
581 | def_file *save_def = def; | |
582 | const char *pend = param + len; | |
dc17f155 | 583 | char * tend = (char *) param; |
252b5132 RH |
584 | int i; |
585 | ||
586 | def = my_def; | |
587 | ||
588 | while (param < pend) | |
589 | { | |
1579bae1 AM |
590 | while (param < pend |
591 | && (ISSPACE (*param) || *param == '\n' || *param == 0)) | |
252b5132 | 592 | param++; |
a35bc64f | 593 | |
dc17f155 NC |
594 | if (param == pend) |
595 | break; | |
596 | ||
597 | /* Scan forward until we encounter any of: | |
598 | - the end of the buffer | |
599 | - the start of a new option | |
600 | - a newline seperating options | |
601 | - a NUL seperating options. */ | |
602 | for (tend = (char *) (param + 1); | |
1579bae1 AM |
603 | (tend < pend |
604 | && !(ISSPACE (tend[-1]) && *tend == '-') | |
605 | && *tend != '\n' && *tend != 0); | |
a35bc64f NC |
606 | tend++) |
607 | ; | |
252b5132 RH |
608 | |
609 | for (i = 0; diropts[i].param; i++) | |
610 | { | |
611 | int len = strlen (diropts[i].param); | |
a35bc64f | 612 | |
252b5132 RH |
613 | if (tend - param >= len |
614 | && strncmp (param, diropts[i].param, len) == 0 | |
615 | && (param[len] == ':' || param[len] == ' ')) | |
616 | { | |
617 | lex_parse_string_end = tend; | |
618 | lex_parse_string = param + len + 1; | |
619 | lex_forced_token = diropts[i].token; | |
620 | saw_newline = 0; | |
dc17f155 NC |
621 | if (def_parse ()) |
622 | continue; | |
252b5132 RH |
623 | break; |
624 | } | |
625 | } | |
626 | ||
627 | if (!diropts[i].param) | |
dc17f155 NC |
628 | { |
629 | char saved; | |
630 | ||
631 | saved = * tend; | |
632 | * tend = 0; | |
633 | /* xgettext:c-format */ | |
634 | einfo (_("Warning: .drectve `%s' unrecognized\n"), param); | |
635 | * tend = saved; | |
636 | } | |
a35bc64f | 637 | |
252b5132 RH |
638 | lex_parse_string = 0; |
639 | param = tend; | |
640 | } | |
641 | ||
642 | def = save_def; | |
643 | } | |
644 | ||
a35bc64f | 645 | /* Parser Callbacks. */ |
252b5132 RH |
646 | |
647 | static void | |
a880c748 | 648 | def_image_name (const char *name, int base, int is_dll) |
252b5132 | 649 | { |
a2877985 DS |
650 | /* If a LIBRARY or NAME statement is specified without a name, there is nothing |
651 | to do here. We retain the output filename specified on command line. */ | |
652 | if (*name) | |
653 | { | |
654 | const char* image_name = lbasename (name); | |
655 | if (image_name != name) | |
656 | einfo ("%s:%d: Warning: path components stripped from %s, '%s'\n", | |
657 | def_filename, linenumber, is_dll ? "LIBRARY" : "NAME", | |
658 | name); | |
659 | if (def->name) | |
660 | free (def->name); | |
661 | /* Append the default suffix, if none specified. */ | |
662 | if (strchr (image_name, '.') == 0) | |
663 | { | |
664 | const char * suffix = is_dll ? ".dll" : ".exe"; | |
665 | ||
666 | def->name = xmalloc (strlen (image_name) + strlen (suffix) + 1); | |
667 | sprintf (def->name, "%s%s", image_name, suffix); | |
668 | } | |
669 | else | |
670 | def->name = xstrdup (image_name); | |
671 | } | |
672 | ||
673 | /* Honor a BASE address statement, even if LIBRARY string is empty. */ | |
252b5132 | 674 | def->base_address = base; |
a880c748 | 675 | def->is_dll = is_dll; |
252b5132 RH |
676 | } |
677 | ||
678 | static void | |
1579bae1 | 679 | def_description (const char *text) |
252b5132 RH |
680 | { |
681 | int len = def->description ? strlen (def->description) : 0; | |
a35bc64f | 682 | |
252b5132 RH |
683 | len += strlen (text) + 1; |
684 | if (def->description) | |
685 | { | |
1579bae1 | 686 | def->description = xrealloc (def->description, len); |
252b5132 RH |
687 | strcat (def->description, text); |
688 | } | |
689 | else | |
690 | { | |
1579bae1 | 691 | def->description = xmalloc (len); |
252b5132 RH |
692 | strcpy (def->description, text); |
693 | } | |
694 | } | |
695 | ||
696 | static void | |
1579bae1 | 697 | def_stacksize (int reserve, int commit) |
252b5132 RH |
698 | { |
699 | def->stack_reserve = reserve; | |
700 | def->stack_commit = commit; | |
701 | } | |
702 | ||
703 | static void | |
1579bae1 | 704 | def_heapsize (int reserve, int commit) |
252b5132 RH |
705 | { |
706 | def->heap_reserve = reserve; | |
707 | def->heap_commit = commit; | |
708 | } | |
709 | ||
710 | static void | |
1579bae1 | 711 | def_section (const char *name, int attr) |
252b5132 RH |
712 | { |
713 | def_file_section *s; | |
1579bae1 | 714 | int max_sections = ROUND_UP (def->num_section_defs, 4); |
a35bc64f | 715 | |
252b5132 RH |
716 | if (def->num_section_defs >= max_sections) |
717 | { | |
1579bae1 | 718 | max_sections = ROUND_UP (def->num_section_defs+1, 4); |
a35bc64f | 719 | |
252b5132 | 720 | if (def->section_defs) |
1579bae1 AM |
721 | def->section_defs = xrealloc (def->section_defs, |
722 | max_sections * sizeof (def_file_import)); | |
252b5132 | 723 | else |
1579bae1 | 724 | def->section_defs = xmalloc (max_sections * sizeof (def_file_import)); |
252b5132 RH |
725 | } |
726 | s = def->section_defs + def->num_section_defs; | |
727 | memset (s, 0, sizeof (def_file_section)); | |
728 | s->name = xstrdup (name); | |
729 | if (attr & 1) | |
730 | s->flag_read = 1; | |
731 | if (attr & 2) | |
732 | s->flag_write = 1; | |
733 | if (attr & 4) | |
734 | s->flag_execute = 1; | |
735 | if (attr & 8) | |
736 | s->flag_shared = 1; | |
737 | ||
738 | def->num_section_defs++; | |
739 | } | |
740 | ||
741 | static void | |
1579bae1 | 742 | def_section_alt (const char *name, const char *attr) |
252b5132 RH |
743 | { |
744 | int aval = 0; | |
a35bc64f | 745 | |
252b5132 RH |
746 | for (; *attr; attr++) |
747 | { | |
748 | switch (*attr) | |
749 | { | |
750 | case 'R': | |
751 | case 'r': | |
752 | aval |= 1; | |
753 | break; | |
754 | case 'W': | |
755 | case 'w': | |
756 | aval |= 2; | |
757 | break; | |
758 | case 'X': | |
759 | case 'x': | |
760 | aval |= 4; | |
761 | break; | |
762 | case 'S': | |
763 | case 's': | |
764 | aval |= 8; | |
765 | break; | |
766 | } | |
767 | } | |
768 | def_section (name, aval); | |
769 | } | |
770 | ||
771 | static void | |
1579bae1 AM |
772 | def_exports (const char *external_name, |
773 | const char *internal_name, | |
774 | int ordinal, | |
775 | int flags) | |
252b5132 RH |
776 | { |
777 | def_file_export *dfe; | |
778 | ||
779 | if (!internal_name && external_name) | |
780 | internal_name = external_name; | |
781 | #if TRACE | |
782 | printf ("def_exports, ext=%s int=%s\n", external_name, internal_name); | |
783 | #endif | |
784 | ||
785 | dfe = def_file_add_export (def, external_name, internal_name, ordinal); | |
786 | if (flags & 1) | |
787 | dfe->flag_noname = 1; | |
788 | if (flags & 2) | |
789 | dfe->flag_constant = 1; | |
790 | if (flags & 4) | |
791 | dfe->flag_data = 1; | |
792 | if (flags & 8) | |
793 | dfe->flag_private = 1; | |
794 | } | |
795 | ||
796 | static void | |
1579bae1 AM |
797 | def_import (const char *internal_name, |
798 | const char *module, | |
799 | const char *dllext, | |
800 | const char *name, | |
801 | int ordinal) | |
252b5132 RH |
802 | { |
803 | char *buf = 0; | |
053c44e1 DS |
804 | const char *ext = dllext ? dllext : "dll"; |
805 | ||
1579bae1 | 806 | buf = xmalloc (strlen (module) + strlen (ext) + 2); |
053c44e1 DS |
807 | sprintf (buf, "%s.%s", module, ext); |
808 | module = buf; | |
252b5132 RH |
809 | |
810 | def_file_add_import (def, name, module, ordinal, internal_name); | |
811 | if (buf) | |
812 | free (buf); | |
813 | } | |
814 | ||
815 | static void | |
1579bae1 | 816 | def_version (int major, int minor) |
252b5132 RH |
817 | { |
818 | def->version_major = major; | |
819 | def->version_minor = minor; | |
820 | } | |
821 | ||
822 | static void | |
1579bae1 | 823 | def_directive (char *str) |
252b5132 | 824 | { |
1579bae1 | 825 | struct directive *d = xmalloc (sizeof (struct directive)); |
a35bc64f | 826 | |
252b5132 RH |
827 | d->next = directives; |
828 | directives = d; | |
829 | d->name = xstrdup (str); | |
830 | d->len = strlen (str); | |
831 | } | |
832 | ||
833 | static int | |
1579bae1 | 834 | def_error (const char *err) |
252b5132 | 835 | { |
1579bae1 AM |
836 | einfo ("%P: %s:%d: %s\n", |
837 | def_filename ? def_filename : "<unknown-file>", linenumber, err); | |
252b5132 RH |
838 | return 0; |
839 | } | |
840 | ||
841 | ||
a35bc64f | 842 | /* Lexical Scanner. */ |
252b5132 RH |
843 | |
844 | #undef TRACE | |
845 | #define TRACE 0 | |
846 | ||
a35bc64f | 847 | /* Never freed, but always reused as needed, so no real leak. */ |
252b5132 RH |
848 | static char *buffer = 0; |
849 | static int buflen = 0; | |
850 | static int bufptr = 0; | |
851 | ||
852 | static void | |
1579bae1 | 853 | put_buf (char c) |
252b5132 RH |
854 | { |
855 | if (bufptr == buflen) | |
856 | { | |
a35bc64f | 857 | buflen += 50; /* overly reasonable, eh? */ |
252b5132 | 858 | if (buffer) |
1579bae1 | 859 | buffer = xrealloc (buffer, buflen + 1); |
252b5132 | 860 | else |
1579bae1 | 861 | buffer = xmalloc (buflen + 1); |
252b5132 RH |
862 | } |
863 | buffer[bufptr++] = c; | |
a35bc64f | 864 | buffer[bufptr] = 0; /* not optimal, but very convenient. */ |
252b5132 RH |
865 | } |
866 | ||
867 | static struct | |
868 | { | |
869 | char *name; | |
870 | int token; | |
871 | } | |
872 | tokens[] = | |
873 | { | |
874 | { "BASE", BASE }, | |
875 | { "CODE", CODE }, | |
7c9e78f8 DD |
876 | { "CONSTANT", CONSTANTU }, |
877 | { "constant", CONSTANTL }, | |
878 | { "DATA", DATAU }, | |
879 | { "data", DATAL }, | |
252b5132 RH |
880 | { "DESCRIPTION", DESCRIPTION }, |
881 | { "DIRECTIVE", DIRECTIVE }, | |
882 | { "EXECUTE", EXECUTE }, | |
883 | { "EXPORTS", EXPORTS }, | |
884 | { "HEAPSIZE", HEAPSIZE }, | |
885 | { "IMPORTS", IMPORTS }, | |
886 | { "LIBRARY", LIBRARY }, | |
887 | { "NAME", NAME }, | |
7c9e78f8 DD |
888 | { "NONAME", NONAMEU }, |
889 | { "noname", NONAMEL }, | |
890 | { "PRIVATE", PRIVATEU }, | |
891 | { "private", PRIVATEL }, | |
252b5132 RH |
892 | { "READ", READ }, |
893 | { "SECTIONS", SECTIONS }, | |
894 | { "SEGMENTS", SECTIONS }, | |
895 | { "SHARED", SHARED }, | |
896 | { "STACKSIZE", STACKSIZE }, | |
897 | { "VERSION", VERSIONK }, | |
898 | { "WRITE", WRITE }, | |
899 | { 0, 0 } | |
900 | }; | |
901 | ||
902 | static int | |
1579bae1 | 903 | def_getc (void) |
252b5132 RH |
904 | { |
905 | int rv; | |
a35bc64f | 906 | |
252b5132 RH |
907 | if (lex_parse_string) |
908 | { | |
909 | if (lex_parse_string >= lex_parse_string_end) | |
910 | rv = EOF; | |
911 | else | |
912 | rv = *lex_parse_string++; | |
913 | } | |
914 | else | |
915 | { | |
916 | rv = fgetc (the_file); | |
917 | } | |
918 | if (rv == '\n') | |
919 | saw_newline = 1; | |
920 | return rv; | |
921 | } | |
922 | ||
923 | static int | |
1579bae1 | 924 | def_ungetc (int c) |
252b5132 RH |
925 | { |
926 | if (lex_parse_string) | |
927 | { | |
928 | lex_parse_string--; | |
929 | return c; | |
930 | } | |
931 | else | |
932 | return ungetc (c, the_file); | |
933 | } | |
934 | ||
935 | static int | |
1579bae1 | 936 | def_lex (void) |
252b5132 RH |
937 | { |
938 | int c, i, q; | |
939 | ||
940 | if (lex_forced_token) | |
941 | { | |
942 | i = lex_forced_token; | |
943 | lex_forced_token = 0; | |
944 | #if TRACE | |
945 | printf ("lex: forcing token %d\n", i); | |
946 | #endif | |
947 | return i; | |
948 | } | |
949 | ||
950 | c = def_getc (); | |
951 | ||
a35bc64f | 952 | /* Trim leading whitespace. */ |
252b5132 RH |
953 | while (c != EOF && (c == ' ' || c == '\t') && saw_newline) |
954 | c = def_getc (); | |
955 | ||
956 | if (c == EOF) | |
957 | { | |
958 | #if TRACE | |
959 | printf ("lex: EOF\n"); | |
960 | #endif | |
961 | return 0; | |
962 | } | |
963 | ||
964 | if (saw_newline && c == ';') | |
965 | { | |
966 | do | |
967 | { | |
968 | c = def_getc (); | |
969 | } | |
970 | while (c != EOF && c != '\n'); | |
971 | if (c == '\n') | |
972 | return def_lex (); | |
973 | return 0; | |
974 | } | |
a35bc64f NC |
975 | |
976 | /* Must be something else. */ | |
252b5132 RH |
977 | saw_newline = 0; |
978 | ||
3882b010 | 979 | if (ISDIGIT (c)) |
252b5132 RH |
980 | { |
981 | bufptr = 0; | |
3882b010 | 982 | while (c != EOF && (ISXDIGIT (c) || (c == 'x'))) |
252b5132 RH |
983 | { |
984 | put_buf (c); | |
985 | c = def_getc (); | |
986 | } | |
987 | if (c != EOF) | |
988 | def_ungetc (c); | |
989 | yylval.number = strtoul (buffer, 0, 0); | |
990 | #if TRACE | |
991 | printf ("lex: `%s' returns NUMBER %d\n", buffer, yylval.number); | |
992 | #endif | |
993 | return NUMBER; | |
994 | } | |
995 | ||
c9e38879 | 996 | if (ISALPHA (c) || strchr ("$:-_?@", c)) |
252b5132 RH |
997 | { |
998 | bufptr = 0; | |
c9e38879 NC |
999 | q = c; |
1000 | put_buf (c); | |
1001 | c = def_getc (); | |
1002 | ||
1003 | if (q == '@') | |
1004 | { | |
1005 | if (ISBLANK (c) ) /* '@' followed by whitespace. */ | |
1006 | return (q); | |
1007 | else if (ISDIGIT (c)) /* '@' followed by digit. */ | |
1008 | { | |
1009 | def_ungetc (c); | |
1010 | return (q); | |
1011 | } | |
1012 | #if TRACE | |
1013 | printf ("lex: @ returns itself\n"); | |
1014 | #endif | |
1015 | } | |
1016 | ||
053c44e1 | 1017 | while (c != EOF && (ISALNUM (c) || strchr ("$:-_?/@", c))) |
252b5132 RH |
1018 | { |
1019 | put_buf (c); | |
1020 | c = def_getc (); | |
1021 | } | |
1022 | if (c != EOF) | |
1023 | def_ungetc (c); | |
c9e38879 NC |
1024 | if (ISALPHA (q)) /* Check for tokens. */ |
1025 | { | |
1026 | for (i = 0; tokens[i].name; i++) | |
1027 | if (strcmp (tokens[i].name, buffer) == 0) | |
1028 | { | |
252b5132 | 1029 | #if TRACE |
c9e38879 | 1030 | printf ("lex: `%s' is a string token\n", buffer); |
252b5132 | 1031 | #endif |
c9e38879 NC |
1032 | return tokens[i].token; |
1033 | } | |
1034 | } | |
252b5132 RH |
1035 | #if TRACE |
1036 | printf ("lex: `%s' returns ID\n", buffer); | |
1037 | #endif | |
1038 | yylval.id = xstrdup (buffer); | |
1039 | return ID; | |
1040 | } | |
1041 | ||
1042 | if (c == '\'' || c == '"') | |
1043 | { | |
1044 | q = c; | |
1045 | c = def_getc (); | |
1046 | bufptr = 0; | |
a35bc64f | 1047 | |
252b5132 RH |
1048 | while (c != EOF && c != q) |
1049 | { | |
1050 | put_buf (c); | |
1051 | c = def_getc (); | |
1052 | } | |
1053 | yylval.id = xstrdup (buffer); | |
1054 | #if TRACE | |
1055 | printf ("lex: `%s' returns ID\n", buffer); | |
1056 | #endif | |
1057 | return ID; | |
1058 | } | |
1059 | ||
c9e38879 | 1060 | if (c == '=' || c == '.' || c == ',') |
252b5132 RH |
1061 | { |
1062 | #if TRACE | |
1063 | printf ("lex: `%c' returns itself\n", c); | |
1064 | #endif | |
1065 | return c; | |
1066 | } | |
1067 | ||
1068 | if (c == '\n') | |
1069 | { | |
1070 | linenumber++; | |
1071 | saw_newline = 1; | |
1072 | } | |
1073 | ||
1074 | /*printf ("lex: 0x%02x ignored\n", c); */ | |
1075 | return def_lex (); | |
1076 | } |