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; | |
05056a8d | 106 | char *digits; |
252b5132 RH |
107 | }; |
108 | ||
8e58566f | 109 | %token NAME LIBRARY DESCRIPTION STACKSIZE_K HEAPSIZE CODE DATAU DATAL |
655f76a2 | 110 | %token SECTIONS EXPORTS IMPORTS VERSIONK BASE CONSTANTU CONSTANTL |
c1711530 | 111 | %token PRIVATEU PRIVATEL ALIGNCOMM |
7c9e78f8 | 112 | %token READ WRITE EXECUTE SHARED NONAMEU NONAMEL DIRECTIVE |
252b5132 | 113 | %token <id> ID |
05056a8d DK |
114 | %token <digits> DIGITS |
115 | %type <number> NUMBER | |
116 | %type <digits> opt_digits | |
252b5132 RH |
117 | %type <number> opt_base opt_ordinal |
118 | %type <number> attr attr_list opt_number exp_opt_list exp_opt | |
05056a8d | 119 | %type <id> opt_name opt_equal_name dot_name anylang_id opt_id |
252b5132 RH |
120 | |
121 | %% | |
122 | ||
123 | start: start command | |
124 | | command | |
125 | ; | |
126 | ||
127 | command: | |
a880c748 DS |
128 | NAME opt_name opt_base { def_image_name ($2, $3, 0); } |
129 | | LIBRARY opt_name opt_base { def_image_name ($2, $3, 1); } | |
252b5132 | 130 | | DESCRIPTION ID { def_description ($2);} |
8e58566f | 131 | | STACKSIZE_K NUMBER opt_number { def_stacksize ($2, $3);} |
252b5132 RH |
132 | | HEAPSIZE NUMBER opt_number { def_heapsize ($2, $3);} |
133 | | CODE attr_list { def_section ("CODE", $2);} | |
7c9e78f8 | 134 | | DATAU attr_list { def_section ("DATA", $2);} |
252b5132 RH |
135 | | SECTIONS seclist |
136 | | EXPORTS explist | |
137 | | IMPORTS implist | |
138 | | VERSIONK NUMBER { def_version ($2, 0);} | |
139 | | VERSIONK NUMBER '.' NUMBER { def_version ($2, $4);} | |
140 | | DIRECTIVE ID { def_directive ($2);} | |
05056a8d | 141 | | ALIGNCOMM anylang_id ',' NUMBER { def_aligncomm ($2, $4);} |
252b5132 RH |
142 | ; |
143 | ||
144 | ||
145 | explist: | |
146 | /* EMPTY */ | |
147 | | expline | |
148 | | explist expline | |
149 | ; | |
150 | ||
151 | expline: | |
7c9e78f8 DD |
152 | /* The opt_comma is necessary to support both the usual |
153 | DEF file syntax as well as .drectve syntax which | |
154 | mandates <expsym>,<expoptlist>. */ | |
053c44e1 | 155 | dot_name opt_equal_name opt_ordinal opt_comma exp_opt_list |
7c9e78f8 | 156 | { def_exports ($1, $2, $3, $5); } |
252b5132 RH |
157 | ; |
158 | exp_opt_list: | |
7c9e78f8 DD |
159 | /* The opt_comma is necessary to support both the usual |
160 | DEF file syntax as well as .drectve syntax which | |
161 | allows for comma separated opt list. */ | |
162 | exp_opt opt_comma exp_opt_list { $$ = $1 | $3; } | |
252b5132 RH |
163 | | { $$ = 0; } |
164 | ; | |
165 | exp_opt: | |
7c9e78f8 DD |
166 | NONAMEU { $$ = 1; } |
167 | | NONAMEL { $$ = 1; } | |
168 | | CONSTANTU { $$ = 2; } | |
169 | | CONSTANTL { $$ = 2; } | |
170 | | DATAU { $$ = 4; } | |
171 | | DATAL { $$ = 4; } | |
172 | | PRIVATEU { $$ = 8; } | |
173 | | PRIVATEL { $$ = 8; } | |
252b5132 RH |
174 | ; |
175 | implist: | |
176 | implist impline | |
177 | | impline | |
178 | ; | |
179 | ||
180 | impline: | |
181 | ID '=' ID '.' ID '.' ID { def_import ($1, $3, $5, $7, -1); } | |
182 | | ID '=' ID '.' ID '.' NUMBER { def_import ($1, $3, $5, 0, $7); } | |
183 | | ID '=' ID '.' ID { def_import ($1, $3, 0, $5, -1); } | |
184 | | ID '=' ID '.' NUMBER { def_import ($1, $3, 0, 0, $5); } | |
185 | | ID '.' ID '.' ID { def_import ( 0, $1, $3, $5, -1); } | |
186 | | ID '.' ID { def_import ( 0, $1, 0, $3, -1); } | |
187 | ; | |
188 | ||
189 | seclist: | |
190 | seclist secline | |
191 | | secline | |
192 | ; | |
193 | ||
194 | secline: | |
195 | ID attr_list { def_section ($1, $2);} | |
196 | | ID ID { def_section_alt ($1, $2);} | |
197 | ; | |
198 | ||
199 | attr_list: | |
200 | attr_list opt_comma attr { $$ = $1 | $3; } | |
201 | | attr { $$ = $1; } | |
202 | ; | |
203 | ||
204 | opt_comma: | |
205 | ',' | |
206 | | | |
207 | ; | |
208 | opt_number: ',' NUMBER { $$=$2;} | |
209 | | { $$=-1;} | |
210 | ; | |
211 | ||
212 | attr: | |
213 | READ { $$ = 1;} | |
214 | | WRITE { $$ = 2;} | |
215 | | EXECUTE { $$=4;} | |
216 | | SHARED { $$=8;} | |
217 | ; | |
218 | ||
219 | opt_name: ID { $$ = $1; } | |
5aaace27 NC |
220 | | ID '.' ID |
221 | { | |
1579bae1 | 222 | char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); |
5aaace27 NC |
223 | sprintf (name, "%s.%s", $1, $3); |
224 | $$ = name; | |
225 | } | |
226 | | { $$ = ""; } | |
252b5132 RH |
227 | ; |
228 | ||
229 | opt_ordinal: | |
230 | '@' NUMBER { $$ = $2;} | |
231 | | { $$ = -1;} | |
232 | ; | |
233 | ||
234 | opt_equal_name: | |
053c44e1 | 235 | '=' dot_name { $$ = $2; } |
252b5132 RH |
236 | | { $$ = 0; } |
237 | ; | |
238 | ||
239 | opt_base: BASE '=' NUMBER { $$ = $3;} | |
4064c856 | 240 | | { $$ = -1;} |
252b5132 RH |
241 | ; |
242 | ||
053c44e1 DS |
243 | dot_name: ID { $$ = $1; } |
244 | | dot_name '.' ID | |
245 | { | |
1579bae1 | 246 | char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); |
053c44e1 DS |
247 | sprintf (name, "%s.%s", $1, $3); |
248 | $$ = name; | |
249 | } | |
250 | ; | |
05056a8d DK |
251 | |
252 | anylang_id: ID { $$ = $1; } | |
253 | | anylang_id '.' opt_digits opt_id | |
254 | { | |
255 | char *id = xmalloc (strlen ($1) + 1 + strlen ($3) + strlen ($4) + 1); | |
256 | sprintf (id, "%s.%s%s", $1, $3, $4); | |
257 | $$ = id; | |
258 | } | |
259 | ; | |
260 | ||
261 | opt_digits: DIGITS { $$ = $1; } | |
262 | | { $$ = ""; } | |
263 | ; | |
264 | ||
265 | opt_id: ID { $$ = $1; } | |
266 | | { $$ = ""; } | |
267 | ; | |
268 | ||
269 | NUMBER: DIGITS { $$ = strtoul ($1, 0, 0); } | |
252b5132 RH |
270 | |
271 | %% | |
272 | ||
273 | /***************************************************************************** | |
274 | API | |
275 | *****************************************************************************/ | |
276 | ||
277 | static FILE *the_file; | |
278 | static const char *def_filename; | |
279 | static int linenumber; | |
280 | static def_file *def; | |
281 | static int saw_newline; | |
282 | ||
283 | struct directive | |
284 | { | |
285 | struct directive *next; | |
286 | char *name; | |
287 | int len; | |
288 | }; | |
289 | ||
290 | static struct directive *directives = 0; | |
291 | ||
292 | def_file * | |
1579bae1 | 293 | def_file_empty (void) |
252b5132 | 294 | { |
1579bae1 | 295 | def_file *rv = xmalloc (sizeof (def_file)); |
252b5132 RH |
296 | memset (rv, 0, sizeof (def_file)); |
297 | rv->is_dll = -1; | |
1579bae1 | 298 | rv->base_address = (bfd_vma) -1; |
252b5132 RH |
299 | rv->stack_reserve = rv->stack_commit = -1; |
300 | rv->heap_reserve = rv->heap_commit = -1; | |
301 | rv->version_major = rv->version_minor = -1; | |
302 | return rv; | |
303 | } | |
304 | ||
305 | def_file * | |
1579bae1 | 306 | def_file_parse (const char *filename, def_file *add_to) |
252b5132 RH |
307 | { |
308 | struct directive *d; | |
309 | ||
310 | the_file = fopen (filename, "r"); | |
311 | def_filename = filename; | |
312 | linenumber = 1; | |
313 | if (!the_file) | |
314 | { | |
315 | perror (filename); | |
316 | return 0; | |
317 | } | |
318 | if (add_to) | |
319 | { | |
320 | def = add_to; | |
321 | } | |
322 | else | |
323 | { | |
324 | def = def_file_empty (); | |
325 | } | |
326 | ||
327 | saw_newline = 1; | |
328 | if (def_parse ()) | |
329 | { | |
330 | def_file_free (def); | |
331 | fclose (the_file); | |
332 | return 0; | |
333 | } | |
334 | ||
335 | fclose (the_file); | |
336 | ||
337 | for (d = directives; d; d = d->next) | |
338 | { | |
339 | #if TRACE | |
340 | printf ("Adding directive %08x `%s'\n", d->name, d->name); | |
341 | #endif | |
342 | def_file_add_directive (def, d->name, d->len); | |
343 | } | |
344 | ||
345 | return def; | |
346 | } | |
347 | ||
348 | void | |
1579bae1 | 349 | def_file_free (def_file *def) |
252b5132 RH |
350 | { |
351 | int i; | |
a35bc64f | 352 | |
252b5132 RH |
353 | if (!def) |
354 | return; | |
355 | if (def->name) | |
356 | free (def->name); | |
357 | if (def->description) | |
358 | free (def->description); | |
359 | ||
360 | if (def->section_defs) | |
361 | { | |
362 | for (i = 0; i < def->num_section_defs; i++) | |
363 | { | |
364 | if (def->section_defs[i].name) | |
365 | free (def->section_defs[i].name); | |
366 | if (def->section_defs[i].class) | |
367 | free (def->section_defs[i].class); | |
368 | } | |
369 | free (def->section_defs); | |
370 | } | |
371 | ||
372 | if (def->exports) | |
373 | { | |
374 | for (i = 0; i < def->num_exports; i++) | |
375 | { | |
376 | if (def->exports[i].internal_name | |
377 | && def->exports[i].internal_name != def->exports[i].name) | |
378 | free (def->exports[i].internal_name); | |
379 | if (def->exports[i].name) | |
380 | free (def->exports[i].name); | |
381 | } | |
382 | free (def->exports); | |
383 | } | |
384 | ||
385 | if (def->imports) | |
386 | { | |
387 | for (i = 0; i < def->num_imports; i++) | |
388 | { | |
389 | if (def->imports[i].internal_name | |
390 | && def->imports[i].internal_name != def->imports[i].name) | |
391 | free (def->imports[i].internal_name); | |
392 | if (def->imports[i].name) | |
393 | free (def->imports[i].name); | |
394 | } | |
395 | free (def->imports); | |
396 | } | |
397 | ||
398 | while (def->modules) | |
399 | { | |
400 | def_file_module *m = def->modules; | |
401 | def->modules = def->modules->next; | |
402 | free (m); | |
403 | } | |
404 | ||
c1711530 DK |
405 | while (def->aligncomms) |
406 | { | |
407 | def_file_aligncomm *c = def->aligncomms; | |
408 | def->aligncomms = def->aligncomms->next; | |
409 | free (c->symbol_name); | |
410 | free (c); | |
411 | } | |
412 | ||
252b5132 RH |
413 | free (def); |
414 | } | |
415 | ||
416 | #ifdef DEF_FILE_PRINT | |
417 | void | |
1579bae1 | 418 | def_file_print (FILE *file, def_file *def) |
252b5132 RH |
419 | { |
420 | int i; | |
a35bc64f | 421 | |
252b5132 RH |
422 | fprintf (file, ">>>> def_file at 0x%08x\n", def); |
423 | if (def->name) | |
424 | fprintf (file, " name: %s\n", def->name ? def->name : "(unspecified)"); | |
425 | if (def->is_dll != -1) | |
426 | fprintf (file, " is dll: %s\n", def->is_dll ? "yes" : "no"); | |
1579bae1 | 427 | if (def->base_address != (bfd_vma) -1) |
252b5132 RH |
428 | fprintf (file, " base address: 0x%08x\n", def->base_address); |
429 | if (def->description) | |
430 | fprintf (file, " description: `%s'\n", def->description); | |
431 | if (def->stack_reserve != -1) | |
432 | fprintf (file, " stack reserve: 0x%08x\n", def->stack_reserve); | |
433 | if (def->stack_commit != -1) | |
434 | fprintf (file, " stack commit: 0x%08x\n", def->stack_commit); | |
435 | if (def->heap_reserve != -1) | |
436 | fprintf (file, " heap reserve: 0x%08x\n", def->heap_reserve); | |
437 | if (def->heap_commit != -1) | |
438 | fprintf (file, " heap commit: 0x%08x\n", def->heap_commit); | |
439 | ||
440 | if (def->num_section_defs > 0) | |
441 | { | |
442 | fprintf (file, " section defs:\n"); | |
a35bc64f | 443 | |
252b5132 RH |
444 | for (i = 0; i < def->num_section_defs; i++) |
445 | { | |
446 | fprintf (file, " name: `%s', class: `%s', flags:", | |
447 | def->section_defs[i].name, def->section_defs[i].class); | |
448 | if (def->section_defs[i].flag_read) | |
449 | fprintf (file, " R"); | |
450 | if (def->section_defs[i].flag_write) | |
451 | fprintf (file, " W"); | |
452 | if (def->section_defs[i].flag_execute) | |
453 | fprintf (file, " X"); | |
454 | if (def->section_defs[i].flag_shared) | |
455 | fprintf (file, " S"); | |
456 | fprintf (file, "\n"); | |
457 | } | |
458 | } | |
459 | ||
460 | if (def->num_exports > 0) | |
461 | { | |
462 | fprintf (file, " exports:\n"); | |
a35bc64f | 463 | |
252b5132 RH |
464 | for (i = 0; i < def->num_exports; i++) |
465 | { | |
466 | fprintf (file, " name: `%s', int: `%s', ordinal: %d, flags:", | |
467 | def->exports[i].name, def->exports[i].internal_name, | |
468 | def->exports[i].ordinal); | |
469 | if (def->exports[i].flag_private) | |
470 | fprintf (file, " P"); | |
471 | if (def->exports[i].flag_constant) | |
472 | fprintf (file, " C"); | |
473 | if (def->exports[i].flag_noname) | |
474 | fprintf (file, " N"); | |
475 | if (def->exports[i].flag_data) | |
476 | fprintf (file, " D"); | |
477 | fprintf (file, "\n"); | |
478 | } | |
479 | } | |
480 | ||
481 | if (def->num_imports > 0) | |
482 | { | |
483 | fprintf (file, " imports:\n"); | |
a35bc64f | 484 | |
252b5132 RH |
485 | for (i = 0; i < def->num_imports; i++) |
486 | { | |
487 | fprintf (file, " int: %s, from: `%s', name: `%s', ordinal: %d\n", | |
488 | def->imports[i].internal_name, | |
489 | def->imports[i].module, | |
490 | def->imports[i].name, | |
491 | def->imports[i].ordinal); | |
492 | } | |
493 | } | |
a35bc64f | 494 | |
252b5132 RH |
495 | if (def->version_major != -1) |
496 | fprintf (file, " version: %d.%d\n", def->version_major, def->version_minor); | |
a35bc64f | 497 | |
252b5132 RH |
498 | fprintf (file, "<<<< def_file at 0x%08x\n", def); |
499 | } | |
500 | #endif | |
501 | ||
502 | def_file_export * | |
1579bae1 AM |
503 | def_file_add_export (def_file *def, |
504 | const char *external_name, | |
505 | const char *internal_name, | |
506 | int ordinal) | |
252b5132 RH |
507 | { |
508 | def_file_export *e; | |
509 | int max_exports = ROUND_UP(def->num_exports, 32); | |
a35bc64f | 510 | |
252b5132 RH |
511 | if (def->num_exports >= max_exports) |
512 | { | |
a35bc64f | 513 | max_exports = ROUND_UP(def->num_exports + 1, 32); |
252b5132 | 514 | if (def->exports) |
1579bae1 AM |
515 | def->exports = xrealloc (def->exports, |
516 | max_exports * sizeof (def_file_export)); | |
252b5132 | 517 | else |
1579bae1 | 518 | def->exports = xmalloc (max_exports * sizeof (def_file_export)); |
252b5132 RH |
519 | } |
520 | e = def->exports + def->num_exports; | |
521 | memset (e, 0, sizeof (def_file_export)); | |
522 | if (internal_name && !external_name) | |
523 | external_name = internal_name; | |
524 | if (external_name && !internal_name) | |
525 | internal_name = external_name; | |
526 | e->name = xstrdup (external_name); | |
527 | e->internal_name = xstrdup (internal_name); | |
528 | e->ordinal = ordinal; | |
529 | def->num_exports++; | |
530 | return e; | |
531 | } | |
532 | ||
a35bc64f | 533 | def_file_module * |
1579bae1 | 534 | def_get_module (def_file *def, const char *name) |
a35bc64f NC |
535 | { |
536 | def_file_module *s; | |
537 | ||
538 | for (s = def->modules; s; s = s->next) | |
539 | if (strcmp (s->name, name) == 0) | |
540 | return s; | |
541 | ||
1579bae1 | 542 | return NULL; |
a35bc64f NC |
543 | } |
544 | ||
252b5132 | 545 | static def_file_module * |
1579bae1 | 546 | def_stash_module (def_file *def, const char *name) |
252b5132 RH |
547 | { |
548 | def_file_module *s; | |
a35bc64f | 549 | |
1579bae1 | 550 | if ((s = def_get_module (def, name)) != NULL) |
252b5132 | 551 | return s; |
1579bae1 | 552 | s = xmalloc (sizeof (def_file_module) + strlen (name)); |
252b5132 RH |
553 | s->next = def->modules; |
554 | def->modules = s; | |
555 | s->user_data = 0; | |
556 | strcpy (s->name, name); | |
557 | return s; | |
558 | } | |
559 | ||
560 | def_file_import * | |
1579bae1 AM |
561 | def_file_add_import (def_file *def, |
562 | const char *name, | |
563 | const char *module, | |
564 | int ordinal, | |
565 | const char *internal_name) | |
252b5132 RH |
566 | { |
567 | def_file_import *i; | |
1579bae1 | 568 | int max_imports = ROUND_UP (def->num_imports, 16); |
a35bc64f | 569 | |
252b5132 RH |
570 | if (def->num_imports >= max_imports) |
571 | { | |
1579bae1 | 572 | max_imports = ROUND_UP (def->num_imports+1, 16); |
a35bc64f | 573 | |
252b5132 | 574 | if (def->imports) |
1579bae1 AM |
575 | def->imports = xrealloc (def->imports, |
576 | max_imports * sizeof (def_file_import)); | |
252b5132 | 577 | else |
1579bae1 | 578 | def->imports = xmalloc (max_imports * sizeof (def_file_import)); |
252b5132 RH |
579 | } |
580 | i = def->imports + def->num_imports; | |
581 | memset (i, 0, sizeof (def_file_import)); | |
582 | if (name) | |
583 | i->name = xstrdup (name); | |
584 | if (module) | |
db09f25b | 585 | i->module = def_stash_module (def, module); |
252b5132 RH |
586 | i->ordinal = ordinal; |
587 | if (internal_name) | |
588 | i->internal_name = xstrdup (internal_name); | |
589 | else | |
590 | i->internal_name = i->name; | |
591 | def->num_imports++; | |
a35bc64f | 592 | |
252b5132 RH |
593 | return i; |
594 | } | |
595 | ||
596 | struct | |
597 | { | |
598 | char *param; | |
599 | int token; | |
600 | } | |
601 | diropts[] = | |
602 | { | |
603 | { "-heap", HEAPSIZE }, | |
8e58566f | 604 | { "-stack", STACKSIZE_K }, |
252b5132 RH |
605 | { "-attr", SECTIONS }, |
606 | { "-export", EXPORTS }, | |
c1711530 | 607 | { "-aligncomm", ALIGNCOMM }, |
252b5132 RH |
608 | { 0, 0 } |
609 | }; | |
610 | ||
611 | void | |
1579bae1 | 612 | def_file_add_directive (def_file *my_def, const char *param, int len) |
252b5132 RH |
613 | { |
614 | def_file *save_def = def; | |
615 | const char *pend = param + len; | |
dc17f155 | 616 | char * tend = (char *) param; |
252b5132 RH |
617 | int i; |
618 | ||
619 | def = my_def; | |
620 | ||
621 | while (param < pend) | |
622 | { | |
1579bae1 AM |
623 | while (param < pend |
624 | && (ISSPACE (*param) || *param == '\n' || *param == 0)) | |
252b5132 | 625 | param++; |
a35bc64f | 626 | |
dc17f155 NC |
627 | if (param == pend) |
628 | break; | |
629 | ||
630 | /* Scan forward until we encounter any of: | |
631 | - the end of the buffer | |
632 | - the start of a new option | |
633 | - a newline seperating options | |
634 | - a NUL seperating options. */ | |
635 | for (tend = (char *) (param + 1); | |
1579bae1 AM |
636 | (tend < pend |
637 | && !(ISSPACE (tend[-1]) && *tend == '-') | |
638 | && *tend != '\n' && *tend != 0); | |
a35bc64f NC |
639 | tend++) |
640 | ; | |
252b5132 RH |
641 | |
642 | for (i = 0; diropts[i].param; i++) | |
643 | { | |
644 | int len = strlen (diropts[i].param); | |
a35bc64f | 645 | |
252b5132 RH |
646 | if (tend - param >= len |
647 | && strncmp (param, diropts[i].param, len) == 0 | |
648 | && (param[len] == ':' || param[len] == ' ')) | |
649 | { | |
650 | lex_parse_string_end = tend; | |
651 | lex_parse_string = param + len + 1; | |
652 | lex_forced_token = diropts[i].token; | |
653 | saw_newline = 0; | |
dc17f155 NC |
654 | if (def_parse ()) |
655 | continue; | |
252b5132 RH |
656 | break; |
657 | } | |
658 | } | |
659 | ||
660 | if (!diropts[i].param) | |
dc17f155 NC |
661 | { |
662 | char saved; | |
663 | ||
664 | saved = * tend; | |
665 | * tend = 0; | |
666 | /* xgettext:c-format */ | |
667 | einfo (_("Warning: .drectve `%s' unrecognized\n"), param); | |
668 | * tend = saved; | |
669 | } | |
a35bc64f | 670 | |
252b5132 RH |
671 | lex_parse_string = 0; |
672 | param = tend; | |
673 | } | |
674 | ||
675 | def = save_def; | |
676 | } | |
677 | ||
a35bc64f | 678 | /* Parser Callbacks. */ |
252b5132 RH |
679 | |
680 | static void | |
a880c748 | 681 | def_image_name (const char *name, int base, int is_dll) |
252b5132 | 682 | { |
a2877985 DS |
683 | /* If a LIBRARY or NAME statement is specified without a name, there is nothing |
684 | to do here. We retain the output filename specified on command line. */ | |
685 | if (*name) | |
686 | { | |
687 | const char* image_name = lbasename (name); | |
688 | if (image_name != name) | |
689 | einfo ("%s:%d: Warning: path components stripped from %s, '%s'\n", | |
690 | def_filename, linenumber, is_dll ? "LIBRARY" : "NAME", | |
691 | name); | |
692 | if (def->name) | |
693 | free (def->name); | |
694 | /* Append the default suffix, if none specified. */ | |
695 | if (strchr (image_name, '.') == 0) | |
696 | { | |
697 | const char * suffix = is_dll ? ".dll" : ".exe"; | |
698 | ||
699 | def->name = xmalloc (strlen (image_name) + strlen (suffix) + 1); | |
700 | sprintf (def->name, "%s%s", image_name, suffix); | |
701 | } | |
702 | else | |
703 | def->name = xstrdup (image_name); | |
704 | } | |
705 | ||
706 | /* Honor a BASE address statement, even if LIBRARY string is empty. */ | |
252b5132 | 707 | def->base_address = base; |
a880c748 | 708 | def->is_dll = is_dll; |
252b5132 RH |
709 | } |
710 | ||
711 | static void | |
1579bae1 | 712 | def_description (const char *text) |
252b5132 RH |
713 | { |
714 | int len = def->description ? strlen (def->description) : 0; | |
a35bc64f | 715 | |
252b5132 RH |
716 | len += strlen (text) + 1; |
717 | if (def->description) | |
718 | { | |
1579bae1 | 719 | def->description = xrealloc (def->description, len); |
252b5132 RH |
720 | strcat (def->description, text); |
721 | } | |
722 | else | |
723 | { | |
1579bae1 | 724 | def->description = xmalloc (len); |
252b5132 RH |
725 | strcpy (def->description, text); |
726 | } | |
727 | } | |
728 | ||
729 | static void | |
1579bae1 | 730 | def_stacksize (int reserve, int commit) |
252b5132 RH |
731 | { |
732 | def->stack_reserve = reserve; | |
733 | def->stack_commit = commit; | |
734 | } | |
735 | ||
736 | static void | |
1579bae1 | 737 | def_heapsize (int reserve, int commit) |
252b5132 RH |
738 | { |
739 | def->heap_reserve = reserve; | |
740 | def->heap_commit = commit; | |
741 | } | |
742 | ||
743 | static void | |
1579bae1 | 744 | def_section (const char *name, int attr) |
252b5132 RH |
745 | { |
746 | def_file_section *s; | |
1579bae1 | 747 | int max_sections = ROUND_UP (def->num_section_defs, 4); |
a35bc64f | 748 | |
252b5132 RH |
749 | if (def->num_section_defs >= max_sections) |
750 | { | |
1579bae1 | 751 | max_sections = ROUND_UP (def->num_section_defs+1, 4); |
a35bc64f | 752 | |
252b5132 | 753 | if (def->section_defs) |
1579bae1 AM |
754 | def->section_defs = xrealloc (def->section_defs, |
755 | max_sections * sizeof (def_file_import)); | |
252b5132 | 756 | else |
1579bae1 | 757 | def->section_defs = xmalloc (max_sections * sizeof (def_file_import)); |
252b5132 RH |
758 | } |
759 | s = def->section_defs + def->num_section_defs; | |
760 | memset (s, 0, sizeof (def_file_section)); | |
761 | s->name = xstrdup (name); | |
762 | if (attr & 1) | |
763 | s->flag_read = 1; | |
764 | if (attr & 2) | |
765 | s->flag_write = 1; | |
766 | if (attr & 4) | |
767 | s->flag_execute = 1; | |
768 | if (attr & 8) | |
769 | s->flag_shared = 1; | |
770 | ||
771 | def->num_section_defs++; | |
772 | } | |
773 | ||
774 | static void | |
1579bae1 | 775 | def_section_alt (const char *name, const char *attr) |
252b5132 RH |
776 | { |
777 | int aval = 0; | |
a35bc64f | 778 | |
252b5132 RH |
779 | for (; *attr; attr++) |
780 | { | |
781 | switch (*attr) | |
782 | { | |
783 | case 'R': | |
784 | case 'r': | |
785 | aval |= 1; | |
786 | break; | |
787 | case 'W': | |
788 | case 'w': | |
789 | aval |= 2; | |
790 | break; | |
791 | case 'X': | |
792 | case 'x': | |
793 | aval |= 4; | |
794 | break; | |
795 | case 'S': | |
796 | case 's': | |
797 | aval |= 8; | |
798 | break; | |
799 | } | |
800 | } | |
801 | def_section (name, aval); | |
802 | } | |
803 | ||
804 | static void | |
1579bae1 AM |
805 | def_exports (const char *external_name, |
806 | const char *internal_name, | |
807 | int ordinal, | |
808 | int flags) | |
252b5132 RH |
809 | { |
810 | def_file_export *dfe; | |
811 | ||
812 | if (!internal_name && external_name) | |
813 | internal_name = external_name; | |
814 | #if TRACE | |
815 | printf ("def_exports, ext=%s int=%s\n", external_name, internal_name); | |
816 | #endif | |
817 | ||
818 | dfe = def_file_add_export (def, external_name, internal_name, ordinal); | |
819 | if (flags & 1) | |
820 | dfe->flag_noname = 1; | |
821 | if (flags & 2) | |
822 | dfe->flag_constant = 1; | |
823 | if (flags & 4) | |
824 | dfe->flag_data = 1; | |
825 | if (flags & 8) | |
826 | dfe->flag_private = 1; | |
827 | } | |
828 | ||
829 | static void | |
1579bae1 AM |
830 | def_import (const char *internal_name, |
831 | const char *module, | |
832 | const char *dllext, | |
833 | const char *name, | |
834 | int ordinal) | |
252b5132 RH |
835 | { |
836 | char *buf = 0; | |
053c44e1 DS |
837 | const char *ext = dllext ? dllext : "dll"; |
838 | ||
1579bae1 | 839 | buf = xmalloc (strlen (module) + strlen (ext) + 2); |
053c44e1 DS |
840 | sprintf (buf, "%s.%s", module, ext); |
841 | module = buf; | |
252b5132 RH |
842 | |
843 | def_file_add_import (def, name, module, ordinal, internal_name); | |
844 | if (buf) | |
845 | free (buf); | |
846 | } | |
847 | ||
848 | static void | |
1579bae1 | 849 | def_version (int major, int minor) |
252b5132 RH |
850 | { |
851 | def->version_major = major; | |
852 | def->version_minor = minor; | |
853 | } | |
854 | ||
855 | static void | |
1579bae1 | 856 | def_directive (char *str) |
252b5132 | 857 | { |
1579bae1 | 858 | struct directive *d = xmalloc (sizeof (struct directive)); |
a35bc64f | 859 | |
252b5132 RH |
860 | d->next = directives; |
861 | directives = d; | |
862 | d->name = xstrdup (str); | |
863 | d->len = strlen (str); | |
864 | } | |
865 | ||
c1711530 DK |
866 | static void |
867 | def_aligncomm (char *str, int align) | |
868 | { | |
869 | def_file_aligncomm *c = xmalloc (sizeof (def_file_aligncomm)); | |
870 | ||
871 | c->symbol_name = xstrdup (str); | |
872 | c->alignment = (unsigned int) align; | |
873 | ||
874 | c->next = def->aligncomms; | |
875 | def->aligncomms = c; | |
876 | } | |
877 | ||
252b5132 | 878 | static int |
1579bae1 | 879 | def_error (const char *err) |
252b5132 | 880 | { |
1579bae1 AM |
881 | einfo ("%P: %s:%d: %s\n", |
882 | def_filename ? def_filename : "<unknown-file>", linenumber, err); | |
252b5132 RH |
883 | return 0; |
884 | } | |
885 | ||
886 | ||
a35bc64f | 887 | /* Lexical Scanner. */ |
252b5132 RH |
888 | |
889 | #undef TRACE | |
890 | #define TRACE 0 | |
891 | ||
a35bc64f | 892 | /* Never freed, but always reused as needed, so no real leak. */ |
252b5132 RH |
893 | static char *buffer = 0; |
894 | static int buflen = 0; | |
895 | static int bufptr = 0; | |
896 | ||
897 | static void | |
1579bae1 | 898 | put_buf (char c) |
252b5132 RH |
899 | { |
900 | if (bufptr == buflen) | |
901 | { | |
a35bc64f | 902 | buflen += 50; /* overly reasonable, eh? */ |
252b5132 | 903 | if (buffer) |
1579bae1 | 904 | buffer = xrealloc (buffer, buflen + 1); |
252b5132 | 905 | else |
1579bae1 | 906 | buffer = xmalloc (buflen + 1); |
252b5132 RH |
907 | } |
908 | buffer[bufptr++] = c; | |
a35bc64f | 909 | buffer[bufptr] = 0; /* not optimal, but very convenient. */ |
252b5132 RH |
910 | } |
911 | ||
912 | static struct | |
913 | { | |
914 | char *name; | |
915 | int token; | |
916 | } | |
917 | tokens[] = | |
918 | { | |
919 | { "BASE", BASE }, | |
920 | { "CODE", CODE }, | |
7c9e78f8 DD |
921 | { "CONSTANT", CONSTANTU }, |
922 | { "constant", CONSTANTL }, | |
923 | { "DATA", DATAU }, | |
924 | { "data", DATAL }, | |
252b5132 RH |
925 | { "DESCRIPTION", DESCRIPTION }, |
926 | { "DIRECTIVE", DIRECTIVE }, | |
927 | { "EXECUTE", EXECUTE }, | |
928 | { "EXPORTS", EXPORTS }, | |
929 | { "HEAPSIZE", HEAPSIZE }, | |
930 | { "IMPORTS", IMPORTS }, | |
931 | { "LIBRARY", LIBRARY }, | |
932 | { "NAME", NAME }, | |
7c9e78f8 DD |
933 | { "NONAME", NONAMEU }, |
934 | { "noname", NONAMEL }, | |
935 | { "PRIVATE", PRIVATEU }, | |
936 | { "private", PRIVATEL }, | |
252b5132 RH |
937 | { "READ", READ }, |
938 | { "SECTIONS", SECTIONS }, | |
939 | { "SEGMENTS", SECTIONS }, | |
940 | { "SHARED", SHARED }, | |
8e58566f | 941 | { "STACKSIZE", STACKSIZE_K }, |
252b5132 RH |
942 | { "VERSION", VERSIONK }, |
943 | { "WRITE", WRITE }, | |
944 | { 0, 0 } | |
945 | }; | |
946 | ||
947 | static int | |
1579bae1 | 948 | def_getc (void) |
252b5132 RH |
949 | { |
950 | int rv; | |
a35bc64f | 951 | |
252b5132 RH |
952 | if (lex_parse_string) |
953 | { | |
954 | if (lex_parse_string >= lex_parse_string_end) | |
955 | rv = EOF; | |
956 | else | |
957 | rv = *lex_parse_string++; | |
958 | } | |
959 | else | |
960 | { | |
961 | rv = fgetc (the_file); | |
962 | } | |
963 | if (rv == '\n') | |
964 | saw_newline = 1; | |
965 | return rv; | |
966 | } | |
967 | ||
968 | static int | |
1579bae1 | 969 | def_ungetc (int c) |
252b5132 RH |
970 | { |
971 | if (lex_parse_string) | |
972 | { | |
973 | lex_parse_string--; | |
974 | return c; | |
975 | } | |
976 | else | |
977 | return ungetc (c, the_file); | |
978 | } | |
979 | ||
980 | static int | |
1579bae1 | 981 | def_lex (void) |
252b5132 RH |
982 | { |
983 | int c, i, q; | |
984 | ||
985 | if (lex_forced_token) | |
986 | { | |
987 | i = lex_forced_token; | |
988 | lex_forced_token = 0; | |
989 | #if TRACE | |
990 | printf ("lex: forcing token %d\n", i); | |
991 | #endif | |
992 | return i; | |
993 | } | |
994 | ||
995 | c = def_getc (); | |
996 | ||
a35bc64f | 997 | /* Trim leading whitespace. */ |
252b5132 RH |
998 | while (c != EOF && (c == ' ' || c == '\t') && saw_newline) |
999 | c = def_getc (); | |
1000 | ||
1001 | if (c == EOF) | |
1002 | { | |
1003 | #if TRACE | |
1004 | printf ("lex: EOF\n"); | |
1005 | #endif | |
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | if (saw_newline && c == ';') | |
1010 | { | |
1011 | do | |
1012 | { | |
1013 | c = def_getc (); | |
1014 | } | |
1015 | while (c != EOF && c != '\n'); | |
1016 | if (c == '\n') | |
1017 | return def_lex (); | |
1018 | return 0; | |
1019 | } | |
a35bc64f NC |
1020 | |
1021 | /* Must be something else. */ | |
252b5132 RH |
1022 | saw_newline = 0; |
1023 | ||
3882b010 | 1024 | if (ISDIGIT (c)) |
252b5132 RH |
1025 | { |
1026 | bufptr = 0; | |
3882b010 | 1027 | while (c != EOF && (ISXDIGIT (c) || (c == 'x'))) |
252b5132 RH |
1028 | { |
1029 | put_buf (c); | |
1030 | c = def_getc (); | |
1031 | } | |
1032 | if (c != EOF) | |
1033 | def_ungetc (c); | |
05056a8d | 1034 | yylval.digits = xstrdup (buffer); |
252b5132 | 1035 | #if TRACE |
05056a8d | 1036 | printf ("lex: `%s' returns DIGITS\n", buffer); |
252b5132 | 1037 | #endif |
05056a8d | 1038 | return DIGITS; |
252b5132 RH |
1039 | } |
1040 | ||
c9e38879 | 1041 | if (ISALPHA (c) || strchr ("$:-_?@", c)) |
252b5132 RH |
1042 | { |
1043 | bufptr = 0; | |
c9e38879 NC |
1044 | q = c; |
1045 | put_buf (c); | |
1046 | c = def_getc (); | |
1047 | ||
1048 | if (q == '@') | |
1049 | { | |
1050 | if (ISBLANK (c) ) /* '@' followed by whitespace. */ | |
1051 | return (q); | |
1052 | else if (ISDIGIT (c)) /* '@' followed by digit. */ | |
1053 | { | |
1054 | def_ungetc (c); | |
1055 | return (q); | |
1056 | } | |
1057 | #if TRACE | |
1058 | printf ("lex: @ returns itself\n"); | |
1059 | #endif | |
1060 | } | |
1061 | ||
053c44e1 | 1062 | while (c != EOF && (ISALNUM (c) || strchr ("$:-_?/@", c))) |
252b5132 RH |
1063 | { |
1064 | put_buf (c); | |
1065 | c = def_getc (); | |
1066 | } | |
1067 | if (c != EOF) | |
1068 | def_ungetc (c); | |
c9e38879 NC |
1069 | if (ISALPHA (q)) /* Check for tokens. */ |
1070 | { | |
1071 | for (i = 0; tokens[i].name; i++) | |
1072 | if (strcmp (tokens[i].name, buffer) == 0) | |
1073 | { | |
252b5132 | 1074 | #if TRACE |
c9e38879 | 1075 | printf ("lex: `%s' is a string token\n", buffer); |
252b5132 | 1076 | #endif |
c9e38879 NC |
1077 | return tokens[i].token; |
1078 | } | |
1079 | } | |
252b5132 RH |
1080 | #if TRACE |
1081 | printf ("lex: `%s' returns ID\n", buffer); | |
1082 | #endif | |
1083 | yylval.id = xstrdup (buffer); | |
1084 | return ID; | |
1085 | } | |
1086 | ||
1087 | if (c == '\'' || c == '"') | |
1088 | { | |
1089 | q = c; | |
1090 | c = def_getc (); | |
1091 | bufptr = 0; | |
a35bc64f | 1092 | |
252b5132 RH |
1093 | while (c != EOF && c != q) |
1094 | { | |
1095 | put_buf (c); | |
1096 | c = def_getc (); | |
1097 | } | |
1098 | yylval.id = xstrdup (buffer); | |
1099 | #if TRACE | |
1100 | printf ("lex: `%s' returns ID\n", buffer); | |
1101 | #endif | |
1102 | return ID; | |
1103 | } | |
1104 | ||
c9e38879 | 1105 | if (c == '=' || c == '.' || c == ',') |
252b5132 RH |
1106 | { |
1107 | #if TRACE | |
1108 | printf ("lex: `%c' returns itself\n", c); | |
1109 | #endif | |
1110 | return c; | |
1111 | } | |
1112 | ||
1113 | if (c == '\n') | |
1114 | { | |
1115 | linenumber++; | |
1116 | saw_newline = 1; | |
1117 | } | |
1118 | ||
1119 | /*printf ("lex: 0x%02x ignored\n", c); */ | |
1120 | return def_lex (); | |
1121 | } |