Commit | Line | Data |
---|---|---|
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 | |
f96b4a7b | 10 | the Free Software Foundation; either version 3 of the License, or |
a35bc64f | 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 | |
f96b4a7b NC |
20 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
21 | MA 02110-1301, USA. */ | |
252b5132 | 22 | |
3db64b00 | 23 | #include "sysdep.h" |
252b5132 | 24 | #include "libiberty.h" |
3882b010 | 25 | #include "safe-ctype.h" |
252b5132 | 26 | #include "bfd.h" |
252b5132 RH |
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); | |
a880c748 | 86 | static void def_image_name (const char *, int, int); |
1579bae1 AM |
87 | static void def_section (const char *, int); |
88 | static void def_section_alt (const char *, const char *); | |
89 | static void def_stacksize (int, int); | |
90 | static void def_version (int, int); | |
91 | static void def_directive (char *); | |
c1711530 | 92 | static void def_aligncomm (char *str, int align); |
1579bae1 AM |
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 | ||
8e58566f | 108 | %token NAME LIBRARY DESCRIPTION STACKSIZE_K HEAPSIZE CODE DATAU DATAL |
655f76a2 | 109 | %token SECTIONS EXPORTS IMPORTS VERSIONK BASE CONSTANTU CONSTANTL |
c1711530 | 110 | %token PRIVATEU PRIVATEL ALIGNCOMM |
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: | |
a880c748 DS |
125 | NAME opt_name opt_base { def_image_name ($2, $3, 0); } |
126 | | LIBRARY opt_name opt_base { def_image_name ($2, $3, 1); } | |
252b5132 | 127 | | DESCRIPTION ID { def_description ($2);} |
8e58566f | 128 | | STACKSIZE_K NUMBER opt_number { def_stacksize ($2, $3);} |
252b5132 RH |
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);} | |
c1711530 | 138 | | ALIGNCOMM ID ',' NUMBER { def_aligncomm ($2, $4);} |
252b5132 RH |
139 | ; |
140 | ||
141 | ||
142 | explist: | |
143 | /* EMPTY */ | |
144 | | expline | |
145 | | explist expline | |
146 | ; | |
147 | ||
148 | expline: | |
7c9e78f8 DD |
149 | /* The opt_comma is necessary to support both the usual |
150 | DEF file syntax as well as .drectve syntax which | |
151 | mandates <expsym>,<expoptlist>. */ | |
053c44e1 | 152 | dot_name opt_equal_name opt_ordinal opt_comma exp_opt_list |
7c9e78f8 | 153 | { def_exports ($1, $2, $3, $5); } |
252b5132 RH |
154 | ; |
155 | exp_opt_list: | |
7c9e78f8 DD |
156 | /* The opt_comma is necessary to support both the usual |
157 | DEF file syntax as well as .drectve syntax which | |
158 | allows for comma separated opt list. */ | |
159 | exp_opt opt_comma exp_opt_list { $$ = $1 | $3; } | |
252b5132 RH |
160 | | { $$ = 0; } |
161 | ; | |
162 | exp_opt: | |
7c9e78f8 DD |
163 | NONAMEU { $$ = 1; } |
164 | | NONAMEL { $$ = 1; } | |
165 | | CONSTANTU { $$ = 2; } | |
166 | | CONSTANTL { $$ = 2; } | |
167 | | DATAU { $$ = 4; } | |
168 | | DATAL { $$ = 4; } | |
169 | | PRIVATEU { $$ = 8; } | |
170 | | PRIVATEL { $$ = 8; } | |
252b5132 RH |
171 | ; |
172 | implist: | |
173 | implist impline | |
174 | | impline | |
175 | ; | |
176 | ||
177 | impline: | |
178 | ID '=' ID '.' ID '.' ID { def_import ($1, $3, $5, $7, -1); } | |
179 | | ID '=' ID '.' ID '.' NUMBER { def_import ($1, $3, $5, 0, $7); } | |
180 | | ID '=' ID '.' ID { def_import ($1, $3, 0, $5, -1); } | |
181 | | ID '=' ID '.' NUMBER { def_import ($1, $3, 0, 0, $5); } | |
182 | | ID '.' ID '.' ID { def_import ( 0, $1, $3, $5, -1); } | |
183 | | ID '.' ID { def_import ( 0, $1, 0, $3, -1); } | |
184 | ; | |
185 | ||
186 | seclist: | |
187 | seclist secline | |
188 | | secline | |
189 | ; | |
190 | ||
191 | secline: | |
192 | ID attr_list { def_section ($1, $2);} | |
193 | | ID ID { def_section_alt ($1, $2);} | |
194 | ; | |
195 | ||
196 | attr_list: | |
197 | attr_list opt_comma attr { $$ = $1 | $3; } | |
198 | | attr { $$ = $1; } | |
199 | ; | |
200 | ||
201 | opt_comma: | |
202 | ',' | |
203 | | | |
204 | ; | |
205 | opt_number: ',' NUMBER { $$=$2;} | |
206 | | { $$=-1;} | |
207 | ; | |
208 | ||
209 | attr: | |
210 | READ { $$ = 1;} | |
211 | | WRITE { $$ = 2;} | |
212 | | EXECUTE { $$=4;} | |
213 | | SHARED { $$=8;} | |
214 | ; | |
215 | ||
216 | opt_name: ID { $$ = $1; } | |
5aaace27 NC |
217 | | ID '.' ID |
218 | { | |
1579bae1 | 219 | char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); |
5aaace27 NC |
220 | sprintf (name, "%s.%s", $1, $3); |
221 | $$ = name; | |
222 | } | |
223 | | { $$ = ""; } | |
252b5132 RH |
224 | ; |
225 | ||
226 | opt_ordinal: | |
227 | '@' NUMBER { $$ = $2;} | |
228 | | { $$ = -1;} | |
229 | ; | |
230 | ||
231 | opt_equal_name: | |
053c44e1 | 232 | '=' dot_name { $$ = $2; } |
252b5132 RH |
233 | | { $$ = 0; } |
234 | ; | |
235 | ||
236 | opt_base: BASE '=' NUMBER { $$ = $3;} | |
4064c856 | 237 | | { $$ = -1;} |
252b5132 RH |
238 | ; |
239 | ||
053c44e1 DS |
240 | dot_name: ID { $$ = $1; } |
241 | | dot_name '.' ID | |
242 | { | |
1579bae1 | 243 | char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); |
053c44e1 DS |
244 | sprintf (name, "%s.%s", $1, $3); |
245 | $$ = name; | |
246 | } | |
247 | ; | |
252b5132 RH |
248 | |
249 | ||
250 | %% | |
251 | ||
252 | /***************************************************************************** | |
253 | API | |
254 | *****************************************************************************/ | |
255 | ||
256 | static FILE *the_file; | |
257 | static const char *def_filename; | |
258 | static int linenumber; | |
259 | static def_file *def; | |
260 | static int saw_newline; | |
261 | ||
262 | struct directive | |
263 | { | |
264 | struct directive *next; | |
265 | char *name; | |
266 | int len; | |
267 | }; | |
268 | ||
269 | static struct directive *directives = 0; | |
270 | ||
271 | def_file * | |
1579bae1 | 272 | def_file_empty (void) |
252b5132 | 273 | { |
1579bae1 | 274 | def_file *rv = xmalloc (sizeof (def_file)); |
252b5132 RH |
275 | memset (rv, 0, sizeof (def_file)); |
276 | rv->is_dll = -1; | |
1579bae1 | 277 | rv->base_address = (bfd_vma) -1; |
252b5132 RH |
278 | rv->stack_reserve = rv->stack_commit = -1; |
279 | rv->heap_reserve = rv->heap_commit = -1; | |
280 | rv->version_major = rv->version_minor = -1; | |
281 | return rv; | |
282 | } | |
283 | ||
284 | def_file * | |
1579bae1 | 285 | def_file_parse (const char *filename, def_file *add_to) |
252b5132 RH |
286 | { |
287 | struct directive *d; | |
288 | ||
289 | the_file = fopen (filename, "r"); | |
290 | def_filename = filename; | |
291 | linenumber = 1; | |
292 | if (!the_file) | |
293 | { | |
294 | perror (filename); | |
295 | return 0; | |
296 | } | |
297 | if (add_to) | |
298 | { | |
299 | def = add_to; | |
300 | } | |
301 | else | |
302 | { | |
303 | def = def_file_empty (); | |
304 | } | |
305 | ||
306 | saw_newline = 1; | |
307 | if (def_parse ()) | |
308 | { | |
309 | def_file_free (def); | |
310 | fclose (the_file); | |
311 | return 0; | |
312 | } | |
313 | ||
314 | fclose (the_file); | |
315 | ||
316 | for (d = directives; d; d = d->next) | |
317 | { | |
318 | #if TRACE | |
319 | printf ("Adding directive %08x `%s'\n", d->name, d->name); | |
320 | #endif | |
321 | def_file_add_directive (def, d->name, d->len); | |
322 | } | |
323 | ||
324 | return def; | |
325 | } | |
326 | ||
327 | void | |
1579bae1 | 328 | def_file_free (def_file *def) |
252b5132 RH |
329 | { |
330 | int i; | |
a35bc64f | 331 | |
252b5132 RH |
332 | if (!def) |
333 | return; | |
334 | if (def->name) | |
335 | free (def->name); | |
336 | if (def->description) | |
337 | free (def->description); | |
338 | ||
339 | if (def->section_defs) | |
340 | { | |
341 | for (i = 0; i < def->num_section_defs; i++) | |
342 | { | |
343 | if (def->section_defs[i].name) | |
344 | free (def->section_defs[i].name); | |
345 | if (def->section_defs[i].class) | |
346 | free (def->section_defs[i].class); | |
347 | } | |
348 | free (def->section_defs); | |
349 | } | |
350 | ||
351 | if (def->exports) | |
352 | { | |
353 | for (i = 0; i < def->num_exports; i++) | |
354 | { | |
355 | if (def->exports[i].internal_name | |
356 | && def->exports[i].internal_name != def->exports[i].name) | |
357 | free (def->exports[i].internal_name); | |
358 | if (def->exports[i].name) | |
359 | free (def->exports[i].name); | |
360 | } | |
361 | free (def->exports); | |
362 | } | |
363 | ||
364 | if (def->imports) | |
365 | { | |
366 | for (i = 0; i < def->num_imports; i++) | |
367 | { | |
368 | if (def->imports[i].internal_name | |
369 | && def->imports[i].internal_name != def->imports[i].name) | |
370 | free (def->imports[i].internal_name); | |
371 | if (def->imports[i].name) | |
372 | free (def->imports[i].name); | |
373 | } | |
374 | free (def->imports); | |
375 | } | |
376 | ||
377 | while (def->modules) | |
378 | { | |
379 | def_file_module *m = def->modules; | |
380 | def->modules = def->modules->next; | |
381 | free (m); | |
382 | } | |
383 | ||
c1711530 DK |
384 | while (def->aligncomms) |
385 | { | |
386 | def_file_aligncomm *c = def->aligncomms; | |
387 | def->aligncomms = def->aligncomms->next; | |
388 | free (c->symbol_name); | |
389 | free (c); | |
390 | } | |
391 | ||
252b5132 RH |
392 | free (def); |
393 | } | |
394 | ||
395 | #ifdef DEF_FILE_PRINT | |
396 | void | |
1579bae1 | 397 | def_file_print (FILE *file, def_file *def) |
252b5132 RH |
398 | { |
399 | int i; | |
a35bc64f | 400 | |
252b5132 RH |
401 | fprintf (file, ">>>> def_file at 0x%08x\n", def); |
402 | if (def->name) | |
403 | fprintf (file, " name: %s\n", def->name ? def->name : "(unspecified)"); | |
404 | if (def->is_dll != -1) | |
405 | fprintf (file, " is dll: %s\n", def->is_dll ? "yes" : "no"); | |
1579bae1 | 406 | if (def->base_address != (bfd_vma) -1) |
252b5132 RH |
407 | fprintf (file, " base address: 0x%08x\n", def->base_address); |
408 | if (def->description) | |
409 | fprintf (file, " description: `%s'\n", def->description); | |
410 | if (def->stack_reserve != -1) | |
411 | fprintf (file, " stack reserve: 0x%08x\n", def->stack_reserve); | |
412 | if (def->stack_commit != -1) | |
413 | fprintf (file, " stack commit: 0x%08x\n", def->stack_commit); | |
414 | if (def->heap_reserve != -1) | |
415 | fprintf (file, " heap reserve: 0x%08x\n", def->heap_reserve); | |
416 | if (def->heap_commit != -1) | |
417 | fprintf (file, " heap commit: 0x%08x\n", def->heap_commit); | |
418 | ||
419 | if (def->num_section_defs > 0) | |
420 | { | |
421 | fprintf (file, " section defs:\n"); | |
a35bc64f | 422 | |
252b5132 RH |
423 | for (i = 0; i < def->num_section_defs; i++) |
424 | { | |
425 | fprintf (file, " name: `%s', class: `%s', flags:", | |
426 | def->section_defs[i].name, def->section_defs[i].class); | |
427 | if (def->section_defs[i].flag_read) | |
428 | fprintf (file, " R"); | |
429 | if (def->section_defs[i].flag_write) | |
430 | fprintf (file, " W"); | |
431 | if (def->section_defs[i].flag_execute) | |
432 | fprintf (file, " X"); | |
433 | if (def->section_defs[i].flag_shared) | |
434 | fprintf (file, " S"); | |
435 | fprintf (file, "\n"); | |
436 | } | |
437 | } | |
438 | ||
439 | if (def->num_exports > 0) | |
440 | { | |
441 | fprintf (file, " exports:\n"); | |
a35bc64f | 442 | |
252b5132 RH |
443 | for (i = 0; i < def->num_exports; i++) |
444 | { | |
445 | fprintf (file, " name: `%s', int: `%s', ordinal: %d, flags:", | |
446 | def->exports[i].name, def->exports[i].internal_name, | |
447 | def->exports[i].ordinal); | |
448 | if (def->exports[i].flag_private) | |
449 | fprintf (file, " P"); | |
450 | if (def->exports[i].flag_constant) | |
451 | fprintf (file, " C"); | |
452 | if (def->exports[i].flag_noname) | |
453 | fprintf (file, " N"); | |
454 | if (def->exports[i].flag_data) | |
455 | fprintf (file, " D"); | |
456 | fprintf (file, "\n"); | |
457 | } | |
458 | } | |
459 | ||
460 | if (def->num_imports > 0) | |
461 | { | |
462 | fprintf (file, " imports:\n"); | |
a35bc64f | 463 | |
252b5132 RH |
464 | for (i = 0; i < def->num_imports; i++) |
465 | { | |
466 | fprintf (file, " int: %s, from: `%s', name: `%s', ordinal: %d\n", | |
467 | def->imports[i].internal_name, | |
468 | def->imports[i].module, | |
469 | def->imports[i].name, | |
470 | def->imports[i].ordinal); | |
471 | } | |
472 | } | |
a35bc64f | 473 | |
252b5132 RH |
474 | if (def->version_major != -1) |
475 | fprintf (file, " version: %d.%d\n", def->version_major, def->version_minor); | |
a35bc64f | 476 | |
252b5132 RH |
477 | fprintf (file, "<<<< def_file at 0x%08x\n", def); |
478 | } | |
479 | #endif | |
480 | ||
481 | def_file_export * | |
1579bae1 AM |
482 | def_file_add_export (def_file *def, |
483 | const char *external_name, | |
484 | const char *internal_name, | |
485 | int ordinal) | |
252b5132 RH |
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) |
1579bae1 AM |
494 | def->exports = xrealloc (def->exports, |
495 | max_exports * sizeof (def_file_export)); | |
252b5132 | 496 | else |
1579bae1 | 497 | def->exports = xmalloc (max_exports * sizeof (def_file_export)); |
252b5132 RH |
498 | } |
499 | e = def->exports + def->num_exports; | |
500 | memset (e, 0, sizeof (def_file_export)); | |
501 | if (internal_name && !external_name) | |
502 | external_name = internal_name; | |
503 | if (external_name && !internal_name) | |
504 | internal_name = external_name; | |
505 | e->name = xstrdup (external_name); | |
506 | e->internal_name = xstrdup (internal_name); | |
507 | e->ordinal = ordinal; | |
508 | def->num_exports++; | |
509 | return e; | |
510 | } | |
511 | ||
a35bc64f | 512 | def_file_module * |
1579bae1 | 513 | def_get_module (def_file *def, const char *name) |
a35bc64f NC |
514 | { |
515 | def_file_module *s; | |
516 | ||
517 | for (s = def->modules; s; s = s->next) | |
518 | if (strcmp (s->name, name) == 0) | |
519 | return s; | |
520 | ||
1579bae1 | 521 | return NULL; |
a35bc64f NC |
522 | } |
523 | ||
252b5132 | 524 | static def_file_module * |
1579bae1 | 525 | def_stash_module (def_file *def, const char *name) |
252b5132 RH |
526 | { |
527 | def_file_module *s; | |
a35bc64f | 528 | |
1579bae1 | 529 | if ((s = def_get_module (def, name)) != NULL) |
252b5132 | 530 | return s; |
1579bae1 | 531 | s = xmalloc (sizeof (def_file_module) + strlen (name)); |
252b5132 RH |
532 | s->next = def->modules; |
533 | def->modules = s; | |
534 | s->user_data = 0; | |
535 | strcpy (s->name, name); | |
536 | return s; | |
537 | } | |
538 | ||
539 | def_file_import * | |
1579bae1 AM |
540 | def_file_add_import (def_file *def, |
541 | const char *name, | |
542 | const char *module, | |
543 | int ordinal, | |
544 | const char *internal_name) | |
252b5132 RH |
545 | { |
546 | def_file_import *i; | |
1579bae1 | 547 | int max_imports = ROUND_UP (def->num_imports, 16); |
a35bc64f | 548 | |
252b5132 RH |
549 | if (def->num_imports >= max_imports) |
550 | { | |
1579bae1 | 551 | max_imports = ROUND_UP (def->num_imports+1, 16); |
a35bc64f | 552 | |
252b5132 | 553 | if (def->imports) |
1579bae1 AM |
554 | def->imports = xrealloc (def->imports, |
555 | max_imports * sizeof (def_file_import)); | |
252b5132 | 556 | else |
1579bae1 | 557 | def->imports = xmalloc (max_imports * sizeof (def_file_import)); |
252b5132 RH |
558 | } |
559 | i = def->imports + def->num_imports; | |
560 | memset (i, 0, sizeof (def_file_import)); | |
561 | if (name) | |
562 | i->name = xstrdup (name); | |
563 | if (module) | |
db09f25b | 564 | i->module = def_stash_module (def, module); |
252b5132 RH |
565 | i->ordinal = ordinal; |
566 | if (internal_name) | |
567 | i->internal_name = xstrdup (internal_name); | |
568 | else | |
569 | i->internal_name = i->name; | |
570 | def->num_imports++; | |
a35bc64f | 571 | |
252b5132 RH |
572 | return i; |
573 | } | |
574 | ||
575 | struct | |
576 | { | |
577 | char *param; | |
578 | int token; | |
579 | } | |
580 | diropts[] = | |
581 | { | |
582 | { "-heap", HEAPSIZE }, | |
8e58566f | 583 | { "-stack", STACKSIZE_K }, |
252b5132 RH |
584 | { "-attr", SECTIONS }, |
585 | { "-export", EXPORTS }, | |
c1711530 | 586 | { "-aligncomm", ALIGNCOMM }, |
252b5132 RH |
587 | { 0, 0 } |
588 | }; | |
589 | ||
590 | void | |
1579bae1 | 591 | def_file_add_directive (def_file *my_def, const char *param, int len) |
252b5132 RH |
592 | { |
593 | def_file *save_def = def; | |
594 | const char *pend = param + len; | |
dc17f155 | 595 | char * tend = (char *) param; |
252b5132 RH |
596 | int i; |
597 | ||
598 | def = my_def; | |
599 | ||
600 | while (param < pend) | |
601 | { | |
1579bae1 AM |
602 | while (param < pend |
603 | && (ISSPACE (*param) || *param == '\n' || *param == 0)) | |
252b5132 | 604 | param++; |
a35bc64f | 605 | |
dc17f155 NC |
606 | if (param == pend) |
607 | break; | |
608 | ||
609 | /* Scan forward until we encounter any of: | |
610 | - the end of the buffer | |
611 | - the start of a new option | |
612 | - a newline seperating options | |
613 | - a NUL seperating options. */ | |
614 | for (tend = (char *) (param + 1); | |
1579bae1 AM |
615 | (tend < pend |
616 | && !(ISSPACE (tend[-1]) && *tend == '-') | |
617 | && *tend != '\n' && *tend != 0); | |
a35bc64f NC |
618 | tend++) |
619 | ; | |
252b5132 RH |
620 | |
621 | for (i = 0; diropts[i].param; i++) | |
622 | { | |
623 | int len = strlen (diropts[i].param); | |
a35bc64f | 624 | |
252b5132 RH |
625 | if (tend - param >= len |
626 | && strncmp (param, diropts[i].param, len) == 0 | |
627 | && (param[len] == ':' || param[len] == ' ')) | |
628 | { | |
629 | lex_parse_string_end = tend; | |
630 | lex_parse_string = param + len + 1; | |
631 | lex_forced_token = diropts[i].token; | |
632 | saw_newline = 0; | |
dc17f155 NC |
633 | if (def_parse ()) |
634 | continue; | |
252b5132 RH |
635 | break; |
636 | } | |
637 | } | |
638 | ||
639 | if (!diropts[i].param) | |
dc17f155 NC |
640 | { |
641 | char saved; | |
642 | ||
643 | saved = * tend; | |
644 | * tend = 0; | |
645 | /* xgettext:c-format */ | |
646 | einfo (_("Warning: .drectve `%s' unrecognized\n"), param); | |
647 | * tend = saved; | |
648 | } | |
a35bc64f | 649 | |
252b5132 RH |
650 | lex_parse_string = 0; |
651 | param = tend; | |
652 | } | |
653 | ||
654 | def = save_def; | |
655 | } | |
656 | ||
a35bc64f | 657 | /* Parser Callbacks. */ |
252b5132 RH |
658 | |
659 | static void | |
a880c748 | 660 | def_image_name (const char *name, int base, int is_dll) |
252b5132 | 661 | { |
a2877985 DS |
662 | /* If a LIBRARY or NAME statement is specified without a name, there is nothing |
663 | to do here. We retain the output filename specified on command line. */ | |
664 | if (*name) | |
665 | { | |
666 | const char* image_name = lbasename (name); | |
667 | if (image_name != name) | |
668 | einfo ("%s:%d: Warning: path components stripped from %s, '%s'\n", | |
669 | def_filename, linenumber, is_dll ? "LIBRARY" : "NAME", | |
670 | name); | |
671 | if (def->name) | |
672 | free (def->name); | |
673 | /* Append the default suffix, if none specified. */ | |
674 | if (strchr (image_name, '.') == 0) | |
675 | { | |
676 | const char * suffix = is_dll ? ".dll" : ".exe"; | |
677 | ||
678 | def->name = xmalloc (strlen (image_name) + strlen (suffix) + 1); | |
679 | sprintf (def->name, "%s%s", image_name, suffix); | |
680 | } | |
681 | else | |
682 | def->name = xstrdup (image_name); | |
683 | } | |
684 | ||
685 | /* Honor a BASE address statement, even if LIBRARY string is empty. */ | |
252b5132 | 686 | def->base_address = base; |
a880c748 | 687 | def->is_dll = is_dll; |
252b5132 RH |
688 | } |
689 | ||
690 | static void | |
1579bae1 | 691 | def_description (const char *text) |
252b5132 RH |
692 | { |
693 | int len = def->description ? strlen (def->description) : 0; | |
a35bc64f | 694 | |
252b5132 RH |
695 | len += strlen (text) + 1; |
696 | if (def->description) | |
697 | { | |
1579bae1 | 698 | def->description = xrealloc (def->description, len); |
252b5132 RH |
699 | strcat (def->description, text); |
700 | } | |
701 | else | |
702 | { | |
1579bae1 | 703 | def->description = xmalloc (len); |
252b5132 RH |
704 | strcpy (def->description, text); |
705 | } | |
706 | } | |
707 | ||
708 | static void | |
1579bae1 | 709 | def_stacksize (int reserve, int commit) |
252b5132 RH |
710 | { |
711 | def->stack_reserve = reserve; | |
712 | def->stack_commit = commit; | |
713 | } | |
714 | ||
715 | static void | |
1579bae1 | 716 | def_heapsize (int reserve, int commit) |
252b5132 RH |
717 | { |
718 | def->heap_reserve = reserve; | |
719 | def->heap_commit = commit; | |
720 | } | |
721 | ||
722 | static void | |
1579bae1 | 723 | def_section (const char *name, int attr) |
252b5132 RH |
724 | { |
725 | def_file_section *s; | |
1579bae1 | 726 | int max_sections = ROUND_UP (def->num_section_defs, 4); |
a35bc64f | 727 | |
252b5132 RH |
728 | if (def->num_section_defs >= max_sections) |
729 | { | |
1579bae1 | 730 | max_sections = ROUND_UP (def->num_section_defs+1, 4); |
a35bc64f | 731 | |
252b5132 | 732 | if (def->section_defs) |
1579bae1 AM |
733 | def->section_defs = xrealloc (def->section_defs, |
734 | max_sections * sizeof (def_file_import)); | |
252b5132 | 735 | else |
1579bae1 | 736 | def->section_defs = xmalloc (max_sections * sizeof (def_file_import)); |
252b5132 RH |
737 | } |
738 | s = def->section_defs + def->num_section_defs; | |
739 | memset (s, 0, sizeof (def_file_section)); | |
740 | s->name = xstrdup (name); | |
741 | if (attr & 1) | |
742 | s->flag_read = 1; | |
743 | if (attr & 2) | |
744 | s->flag_write = 1; | |
745 | if (attr & 4) | |
746 | s->flag_execute = 1; | |
747 | if (attr & 8) | |
748 | s->flag_shared = 1; | |
749 | ||
750 | def->num_section_defs++; | |
751 | } | |
752 | ||
753 | static void | |
1579bae1 | 754 | def_section_alt (const char *name, const char *attr) |
252b5132 RH |
755 | { |
756 | int aval = 0; | |
a35bc64f | 757 | |
252b5132 RH |
758 | for (; *attr; attr++) |
759 | { | |
760 | switch (*attr) | |
761 | { | |
762 | case 'R': | |
763 | case 'r': | |
764 | aval |= 1; | |
765 | break; | |
766 | case 'W': | |
767 | case 'w': | |
768 | aval |= 2; | |
769 | break; | |
770 | case 'X': | |
771 | case 'x': | |
772 | aval |= 4; | |
773 | break; | |
774 | case 'S': | |
775 | case 's': | |
776 | aval |= 8; | |
777 | break; | |
778 | } | |
779 | } | |
780 | def_section (name, aval); | |
781 | } | |
782 | ||
783 | static void | |
1579bae1 AM |
784 | def_exports (const char *external_name, |
785 | const char *internal_name, | |
786 | int ordinal, | |
787 | int flags) | |
252b5132 RH |
788 | { |
789 | def_file_export *dfe; | |
790 | ||
791 | if (!internal_name && external_name) | |
792 | internal_name = external_name; | |
793 | #if TRACE | |
794 | printf ("def_exports, ext=%s int=%s\n", external_name, internal_name); | |
795 | #endif | |
796 | ||
797 | dfe = def_file_add_export (def, external_name, internal_name, ordinal); | |
798 | if (flags & 1) | |
799 | dfe->flag_noname = 1; | |
800 | if (flags & 2) | |
801 | dfe->flag_constant = 1; | |
802 | if (flags & 4) | |
803 | dfe->flag_data = 1; | |
804 | if (flags & 8) | |
805 | dfe->flag_private = 1; | |
806 | } | |
807 | ||
808 | static void | |
1579bae1 AM |
809 | def_import (const char *internal_name, |
810 | const char *module, | |
811 | const char *dllext, | |
812 | const char *name, | |
813 | int ordinal) | |
252b5132 RH |
814 | { |
815 | char *buf = 0; | |
053c44e1 DS |
816 | const char *ext = dllext ? dllext : "dll"; |
817 | ||
1579bae1 | 818 | buf = xmalloc (strlen (module) + strlen (ext) + 2); |
053c44e1 DS |
819 | sprintf (buf, "%s.%s", module, ext); |
820 | module = buf; | |
252b5132 RH |
821 | |
822 | def_file_add_import (def, name, module, ordinal, internal_name); | |
823 | if (buf) | |
824 | free (buf); | |
825 | } | |
826 | ||
827 | static void | |
1579bae1 | 828 | def_version (int major, int minor) |
252b5132 RH |
829 | { |
830 | def->version_major = major; | |
831 | def->version_minor = minor; | |
832 | } | |
833 | ||
834 | static void | |
1579bae1 | 835 | def_directive (char *str) |
252b5132 | 836 | { |
1579bae1 | 837 | struct directive *d = xmalloc (sizeof (struct directive)); |
a35bc64f | 838 | |
252b5132 RH |
839 | d->next = directives; |
840 | directives = d; | |
841 | d->name = xstrdup (str); | |
842 | d->len = strlen (str); | |
843 | } | |
844 | ||
c1711530 DK |
845 | static void |
846 | def_aligncomm (char *str, int align) | |
847 | { | |
848 | def_file_aligncomm *c = xmalloc (sizeof (def_file_aligncomm)); | |
849 | ||
850 | c->symbol_name = xstrdup (str); | |
851 | c->alignment = (unsigned int) align; | |
852 | ||
853 | c->next = def->aligncomms; | |
854 | def->aligncomms = c; | |
855 | } | |
856 | ||
252b5132 | 857 | static int |
1579bae1 | 858 | def_error (const char *err) |
252b5132 | 859 | { |
1579bae1 AM |
860 | einfo ("%P: %s:%d: %s\n", |
861 | def_filename ? def_filename : "<unknown-file>", linenumber, err); | |
252b5132 RH |
862 | return 0; |
863 | } | |
864 | ||
865 | ||
a35bc64f | 866 | /* Lexical Scanner. */ |
252b5132 RH |
867 | |
868 | #undef TRACE | |
869 | #define TRACE 0 | |
870 | ||
a35bc64f | 871 | /* Never freed, but always reused as needed, so no real leak. */ |
252b5132 RH |
872 | static char *buffer = 0; |
873 | static int buflen = 0; | |
874 | static int bufptr = 0; | |
875 | ||
876 | static void | |
1579bae1 | 877 | put_buf (char c) |
252b5132 RH |
878 | { |
879 | if (bufptr == buflen) | |
880 | { | |
a35bc64f | 881 | buflen += 50; /* overly reasonable, eh? */ |
252b5132 | 882 | if (buffer) |
1579bae1 | 883 | buffer = xrealloc (buffer, buflen + 1); |
252b5132 | 884 | else |
1579bae1 | 885 | buffer = xmalloc (buflen + 1); |
252b5132 RH |
886 | } |
887 | buffer[bufptr++] = c; | |
a35bc64f | 888 | buffer[bufptr] = 0; /* not optimal, but very convenient. */ |
252b5132 RH |
889 | } |
890 | ||
891 | static struct | |
892 | { | |
893 | char *name; | |
894 | int token; | |
895 | } | |
896 | tokens[] = | |
897 | { | |
898 | { "BASE", BASE }, | |
899 | { "CODE", CODE }, | |
7c9e78f8 DD |
900 | { "CONSTANT", CONSTANTU }, |
901 | { "constant", CONSTANTL }, | |
902 | { "DATA", DATAU }, | |
903 | { "data", DATAL }, | |
252b5132 RH |
904 | { "DESCRIPTION", DESCRIPTION }, |
905 | { "DIRECTIVE", DIRECTIVE }, | |
906 | { "EXECUTE", EXECUTE }, | |
907 | { "EXPORTS", EXPORTS }, | |
908 | { "HEAPSIZE", HEAPSIZE }, | |
909 | { "IMPORTS", IMPORTS }, | |
910 | { "LIBRARY", LIBRARY }, | |
911 | { "NAME", NAME }, | |
7c9e78f8 DD |
912 | { "NONAME", NONAMEU }, |
913 | { "noname", NONAMEL }, | |
914 | { "PRIVATE", PRIVATEU }, | |
915 | { "private", PRIVATEL }, | |
252b5132 RH |
916 | { "READ", READ }, |
917 | { "SECTIONS", SECTIONS }, | |
918 | { "SEGMENTS", SECTIONS }, | |
919 | { "SHARED", SHARED }, | |
8e58566f | 920 | { "STACKSIZE", STACKSIZE_K }, |
252b5132 RH |
921 | { "VERSION", VERSIONK }, |
922 | { "WRITE", WRITE }, | |
923 | { 0, 0 } | |
924 | }; | |
925 | ||
926 | static int | |
1579bae1 | 927 | def_getc (void) |
252b5132 RH |
928 | { |
929 | int rv; | |
a35bc64f | 930 | |
252b5132 RH |
931 | if (lex_parse_string) |
932 | { | |
933 | if (lex_parse_string >= lex_parse_string_end) | |
934 | rv = EOF; | |
935 | else | |
936 | rv = *lex_parse_string++; | |
937 | } | |
938 | else | |
939 | { | |
940 | rv = fgetc (the_file); | |
941 | } | |
942 | if (rv == '\n') | |
943 | saw_newline = 1; | |
944 | return rv; | |
945 | } | |
946 | ||
947 | static int | |
1579bae1 | 948 | def_ungetc (int c) |
252b5132 RH |
949 | { |
950 | if (lex_parse_string) | |
951 | { | |
952 | lex_parse_string--; | |
953 | return c; | |
954 | } | |
955 | else | |
956 | return ungetc (c, the_file); | |
957 | } | |
958 | ||
959 | static int | |
1579bae1 | 960 | def_lex (void) |
252b5132 RH |
961 | { |
962 | int c, i, q; | |
963 | ||
964 | if (lex_forced_token) | |
965 | { | |
966 | i = lex_forced_token; | |
967 | lex_forced_token = 0; | |
968 | #if TRACE | |
969 | printf ("lex: forcing token %d\n", i); | |
970 | #endif | |
971 | return i; | |
972 | } | |
973 | ||
974 | c = def_getc (); | |
975 | ||
a35bc64f | 976 | /* Trim leading whitespace. */ |
252b5132 RH |
977 | while (c != EOF && (c == ' ' || c == '\t') && saw_newline) |
978 | c = def_getc (); | |
979 | ||
980 | if (c == EOF) | |
981 | { | |
982 | #if TRACE | |
983 | printf ("lex: EOF\n"); | |
984 | #endif | |
985 | return 0; | |
986 | } | |
987 | ||
988 | if (saw_newline && c == ';') | |
989 | { | |
990 | do | |
991 | { | |
992 | c = def_getc (); | |
993 | } | |
994 | while (c != EOF && c != '\n'); | |
995 | if (c == '\n') | |
996 | return def_lex (); | |
997 | return 0; | |
998 | } | |
a35bc64f NC |
999 | |
1000 | /* Must be something else. */ | |
252b5132 RH |
1001 | saw_newline = 0; |
1002 | ||
3882b010 | 1003 | if (ISDIGIT (c)) |
252b5132 RH |
1004 | { |
1005 | bufptr = 0; | |
3882b010 | 1006 | while (c != EOF && (ISXDIGIT (c) || (c == 'x'))) |
252b5132 RH |
1007 | { |
1008 | put_buf (c); | |
1009 | c = def_getc (); | |
1010 | } | |
1011 | if (c != EOF) | |
1012 | def_ungetc (c); | |
1013 | yylval.number = strtoul (buffer, 0, 0); | |
1014 | #if TRACE | |
1015 | printf ("lex: `%s' returns NUMBER %d\n", buffer, yylval.number); | |
1016 | #endif | |
1017 | return NUMBER; | |
1018 | } | |
1019 | ||
c9e38879 | 1020 | if (ISALPHA (c) || strchr ("$:-_?@", c)) |
252b5132 RH |
1021 | { |
1022 | bufptr = 0; | |
c9e38879 NC |
1023 | q = c; |
1024 | put_buf (c); | |
1025 | c = def_getc (); | |
1026 | ||
1027 | if (q == '@') | |
1028 | { | |
1029 | if (ISBLANK (c) ) /* '@' followed by whitespace. */ | |
1030 | return (q); | |
1031 | else if (ISDIGIT (c)) /* '@' followed by digit. */ | |
1032 | { | |
1033 | def_ungetc (c); | |
1034 | return (q); | |
1035 | } | |
1036 | #if TRACE | |
1037 | printf ("lex: @ returns itself\n"); | |
1038 | #endif | |
1039 | } | |
1040 | ||
053c44e1 | 1041 | while (c != EOF && (ISALNUM (c) || strchr ("$:-_?/@", c))) |
252b5132 RH |
1042 | { |
1043 | put_buf (c); | |
1044 | c = def_getc (); | |
1045 | } | |
1046 | if (c != EOF) | |
1047 | def_ungetc (c); | |
c9e38879 NC |
1048 | if (ISALPHA (q)) /* Check for tokens. */ |
1049 | { | |
1050 | for (i = 0; tokens[i].name; i++) | |
1051 | if (strcmp (tokens[i].name, buffer) == 0) | |
1052 | { | |
252b5132 | 1053 | #if TRACE |
c9e38879 | 1054 | printf ("lex: `%s' is a string token\n", buffer); |
252b5132 | 1055 | #endif |
c9e38879 NC |
1056 | return tokens[i].token; |
1057 | } | |
1058 | } | |
252b5132 RH |
1059 | #if TRACE |
1060 | printf ("lex: `%s' returns ID\n", buffer); | |
1061 | #endif | |
1062 | yylval.id = xstrdup (buffer); | |
1063 | return ID; | |
1064 | } | |
1065 | ||
1066 | if (c == '\'' || c == '"') | |
1067 | { | |
1068 | q = c; | |
1069 | c = def_getc (); | |
1070 | bufptr = 0; | |
a35bc64f | 1071 | |
252b5132 RH |
1072 | while (c != EOF && c != q) |
1073 | { | |
1074 | put_buf (c); | |
1075 | c = def_getc (); | |
1076 | } | |
1077 | yylval.id = xstrdup (buffer); | |
1078 | #if TRACE | |
1079 | printf ("lex: `%s' returns ID\n", buffer); | |
1080 | #endif | |
1081 | return ID; | |
1082 | } | |
1083 | ||
c9e38879 | 1084 | if (c == '=' || c == '.' || c == ',') |
252b5132 RH |
1085 | { |
1086 | #if TRACE | |
1087 | printf ("lex: `%c' returns itself\n", c); | |
1088 | #endif | |
1089 | return c; | |
1090 | } | |
1091 | ||
1092 | if (c == '\n') | |
1093 | { | |
1094 | linenumber++; | |
1095 | saw_newline = 1; | |
1096 | } | |
1097 | ||
1098 | /*printf ("lex: 0x%02x ignored\n", c); */ | |
1099 | return def_lex (); | |
1100 | } |