Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | %{ /* deffilep.y - parser for .def files */ |
2 | ||
aa820537 AM |
3 | /* Copyright 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2006, |
4 | 2007, 2009 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 | 81 | static void def_description (const char *); |
7fcab871 | 82 | static void def_exports (const char *, const char *, int, int, const char *); |
1579bae1 AM |
83 | static void def_heapsize (int, int); |
84 | static void def_import (const char *, const char *, const char *, const char *, | |
7fcab871 | 85 | int, const char *); |
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 |
7fcab871 | 112 | %token READ WRITE EXECUTE SHARED NONAMEU NONAMEL DIRECTIVE EQUAL |
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 |
7fcab871 | 120 | %type <id> opt_equalequal_name |
252b5132 RH |
121 | |
122 | %% | |
123 | ||
124 | start: start command | |
125 | | command | |
126 | ; | |
127 | ||
128 | command: | |
a880c748 DS |
129 | NAME opt_name opt_base { def_image_name ($2, $3, 0); } |
130 | | LIBRARY opt_name opt_base { def_image_name ($2, $3, 1); } | |
252b5132 | 131 | | DESCRIPTION ID { def_description ($2);} |
8e58566f | 132 | | STACKSIZE_K NUMBER opt_number { def_stacksize ($2, $3);} |
252b5132 RH |
133 | | HEAPSIZE NUMBER opt_number { def_heapsize ($2, $3);} |
134 | | CODE attr_list { def_section ("CODE", $2);} | |
7c9e78f8 | 135 | | DATAU attr_list { def_section ("DATA", $2);} |
252b5132 RH |
136 | | SECTIONS seclist |
137 | | EXPORTS explist | |
138 | | IMPORTS implist | |
139 | | VERSIONK NUMBER { def_version ($2, 0);} | |
140 | | VERSIONK NUMBER '.' NUMBER { def_version ($2, $4);} | |
141 | | DIRECTIVE ID { def_directive ($2);} | |
05056a8d | 142 | | ALIGNCOMM anylang_id ',' NUMBER { def_aligncomm ($2, $4);} |
252b5132 RH |
143 | ; |
144 | ||
145 | ||
146 | explist: | |
147 | /* EMPTY */ | |
148 | | expline | |
149 | | explist expline | |
150 | ; | |
151 | ||
152 | expline: | |
7c9e78f8 DD |
153 | /* The opt_comma is necessary to support both the usual |
154 | DEF file syntax as well as .drectve syntax which | |
155 | mandates <expsym>,<expoptlist>. */ | |
7fcab871 KT |
156 | dot_name opt_equal_name opt_ordinal opt_comma exp_opt_list opt_comma opt_equalequal_name |
157 | { def_exports ($1, $2, $3, $5, $7); } | |
252b5132 RH |
158 | ; |
159 | exp_opt_list: | |
7c9e78f8 DD |
160 | /* The opt_comma is necessary to support both the usual |
161 | DEF file syntax as well as .drectve syntax which | |
162 | allows for comma separated opt list. */ | |
163 | exp_opt opt_comma exp_opt_list { $$ = $1 | $3; } | |
252b5132 RH |
164 | | { $$ = 0; } |
165 | ; | |
166 | exp_opt: | |
7c9e78f8 DD |
167 | NONAMEU { $$ = 1; } |
168 | | NONAMEL { $$ = 1; } | |
169 | | CONSTANTU { $$ = 2; } | |
170 | | CONSTANTL { $$ = 2; } | |
171 | | DATAU { $$ = 4; } | |
172 | | DATAL { $$ = 4; } | |
173 | | PRIVATEU { $$ = 8; } | |
174 | | PRIVATEL { $$ = 8; } | |
252b5132 RH |
175 | ; |
176 | implist: | |
177 | implist impline | |
178 | | impline | |
179 | ; | |
180 | ||
181 | impline: | |
7fcab871 KT |
182 | ID '=' ID '.' ID '.' ID opt_equalequal_name |
183 | { def_import ($1, $3, $5, $7, -1, $8); } | |
184 | | ID '=' ID '.' ID '.' NUMBER opt_equalequal_name | |
185 | { def_import ($1, $3, $5, 0, $7, $8); } | |
186 | | ID '=' ID '.' ID opt_equalequal_name | |
187 | { def_import ($1, $3, 0, $5, -1, $6); } | |
188 | | ID '=' ID '.' NUMBER opt_equalequal_name | |
189 | { def_import ($1, $3, 0, 0, $5, $6); } | |
190 | | ID '.' ID '.' ID opt_equalequal_name | |
191 | { def_import( 0, $1, $3, $5, -1, $6); } | |
192 | | ID '.' ID opt_equalequal_name | |
193 | { def_import ( 0, $1, 0, $3, -1, $4); } | |
252b5132 RH |
194 | ; |
195 | ||
196 | seclist: | |
197 | seclist secline | |
198 | | secline | |
199 | ; | |
200 | ||
201 | secline: | |
202 | ID attr_list { def_section ($1, $2);} | |
203 | | ID ID { def_section_alt ($1, $2);} | |
204 | ; | |
205 | ||
206 | attr_list: | |
207 | attr_list opt_comma attr { $$ = $1 | $3; } | |
208 | | attr { $$ = $1; } | |
209 | ; | |
210 | ||
211 | opt_comma: | |
212 | ',' | |
213 | | | |
214 | ; | |
215 | opt_number: ',' NUMBER { $$=$2;} | |
216 | | { $$=-1;} | |
217 | ; | |
218 | ||
219 | attr: | |
220 | READ { $$ = 1;} | |
221 | | WRITE { $$ = 2;} | |
222 | | EXECUTE { $$=4;} | |
223 | | SHARED { $$=8;} | |
224 | ; | |
225 | ||
226 | opt_name: ID { $$ = $1; } | |
770c040b KT |
227 | | '.' ID |
228 | { | |
229 | char *name = xmalloc (strlen ($2) + 2); | |
230 | sprintf (name, ".%s", $2); | |
231 | $$ = name; | |
232 | } | |
5aaace27 NC |
233 | | ID '.' ID |
234 | { | |
1579bae1 | 235 | char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); |
5aaace27 NC |
236 | sprintf (name, "%s.%s", $1, $3); |
237 | $$ = name; | |
238 | } | |
239 | | { $$ = ""; } | |
252b5132 RH |
240 | ; |
241 | ||
7fcab871 KT |
242 | opt_equalequal_name: EQUAL ID { $$ = $2; } |
243 | | { $$ = 0; } | |
244 | ; | |
245 | ||
252b5132 RH |
246 | opt_ordinal: |
247 | '@' NUMBER { $$ = $2;} | |
248 | | { $$ = -1;} | |
249 | ; | |
250 | ||
251 | opt_equal_name: | |
053c44e1 | 252 | '=' dot_name { $$ = $2; } |
252b5132 RH |
253 | | { $$ = 0; } |
254 | ; | |
255 | ||
256 | opt_base: BASE '=' NUMBER { $$ = $3;} | |
4064c856 | 257 | | { $$ = -1;} |
252b5132 RH |
258 | ; |
259 | ||
053c44e1 | 260 | dot_name: ID { $$ = $1; } |
770c040b KT |
261 | | '.' ID |
262 | { | |
263 | char *name = xmalloc (strlen ($2) + 2); | |
264 | sprintf (name, ".%s", $2); | |
265 | $$ = name; | |
266 | } | |
053c44e1 DS |
267 | | dot_name '.' ID |
268 | { | |
1579bae1 | 269 | char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); |
053c44e1 DS |
270 | sprintf (name, "%s.%s", $1, $3); |
271 | $$ = name; | |
272 | } | |
273 | ; | |
05056a8d DK |
274 | |
275 | anylang_id: ID { $$ = $1; } | |
770c040b KT |
276 | | '.' ID |
277 | { | |
278 | char *id = xmalloc (strlen ($2) + 2); | |
279 | sprintf (id, ".%s", $2); | |
280 | $$ = id; | |
281 | } | |
05056a8d DK |
282 | | anylang_id '.' opt_digits opt_id |
283 | { | |
284 | char *id = xmalloc (strlen ($1) + 1 + strlen ($3) + strlen ($4) + 1); | |
285 | sprintf (id, "%s.%s%s", $1, $3, $4); | |
286 | $$ = id; | |
287 | } | |
288 | ; | |
289 | ||
290 | opt_digits: DIGITS { $$ = $1; } | |
291 | | { $$ = ""; } | |
292 | ; | |
293 | ||
294 | opt_id: ID { $$ = $1; } | |
295 | | { $$ = ""; } | |
296 | ; | |
297 | ||
298 | NUMBER: DIGITS { $$ = strtoul ($1, 0, 0); } | |
252b5132 RH |
299 | |
300 | %% | |
301 | ||
302 | /***************************************************************************** | |
303 | API | |
304 | *****************************************************************************/ | |
305 | ||
306 | static FILE *the_file; | |
307 | static const char *def_filename; | |
308 | static int linenumber; | |
309 | static def_file *def; | |
310 | static int saw_newline; | |
311 | ||
312 | struct directive | |
313 | { | |
314 | struct directive *next; | |
315 | char *name; | |
316 | int len; | |
317 | }; | |
318 | ||
319 | static struct directive *directives = 0; | |
320 | ||
321 | def_file * | |
1579bae1 | 322 | def_file_empty (void) |
252b5132 | 323 | { |
1579bae1 | 324 | def_file *rv = xmalloc (sizeof (def_file)); |
252b5132 RH |
325 | memset (rv, 0, sizeof (def_file)); |
326 | rv->is_dll = -1; | |
1579bae1 | 327 | rv->base_address = (bfd_vma) -1; |
252b5132 RH |
328 | rv->stack_reserve = rv->stack_commit = -1; |
329 | rv->heap_reserve = rv->heap_commit = -1; | |
330 | rv->version_major = rv->version_minor = -1; | |
331 | return rv; | |
332 | } | |
333 | ||
334 | def_file * | |
1579bae1 | 335 | def_file_parse (const char *filename, def_file *add_to) |
252b5132 RH |
336 | { |
337 | struct directive *d; | |
338 | ||
339 | the_file = fopen (filename, "r"); | |
340 | def_filename = filename; | |
341 | linenumber = 1; | |
342 | if (!the_file) | |
343 | { | |
344 | perror (filename); | |
345 | return 0; | |
346 | } | |
347 | if (add_to) | |
348 | { | |
349 | def = add_to; | |
350 | } | |
351 | else | |
352 | { | |
353 | def = def_file_empty (); | |
354 | } | |
355 | ||
356 | saw_newline = 1; | |
357 | if (def_parse ()) | |
358 | { | |
359 | def_file_free (def); | |
360 | fclose (the_file); | |
361 | return 0; | |
362 | } | |
363 | ||
364 | fclose (the_file); | |
365 | ||
366 | for (d = directives; d; d = d->next) | |
367 | { | |
368 | #if TRACE | |
369 | printf ("Adding directive %08x `%s'\n", d->name, d->name); | |
370 | #endif | |
371 | def_file_add_directive (def, d->name, d->len); | |
372 | } | |
373 | ||
374 | return def; | |
375 | } | |
376 | ||
377 | void | |
91d6fa6a | 378 | def_file_free (def_file *fdef) |
252b5132 RH |
379 | { |
380 | int i; | |
a35bc64f | 381 | |
91d6fa6a | 382 | if (!fdef) |
252b5132 | 383 | return; |
91d6fa6a NC |
384 | if (fdef->name) |
385 | free (fdef->name); | |
386 | if (fdef->description) | |
387 | free (fdef->description); | |
252b5132 | 388 | |
91d6fa6a | 389 | if (fdef->section_defs) |
252b5132 | 390 | { |
91d6fa6a | 391 | for (i = 0; i < fdef->num_section_defs; i++) |
252b5132 | 392 | { |
91d6fa6a NC |
393 | if (fdef->section_defs[i].name) |
394 | free (fdef->section_defs[i].name); | |
395 | if (fdef->section_defs[i].class) | |
396 | free (fdef->section_defs[i].class); | |
252b5132 | 397 | } |
91d6fa6a | 398 | free (fdef->section_defs); |
252b5132 RH |
399 | } |
400 | ||
91d6fa6a | 401 | if (fdef->exports) |
252b5132 | 402 | { |
b41d91a7 | 403 | for (i = 0; i < fdef->num_exports; i++) |
252b5132 | 404 | { |
91d6fa6a NC |
405 | if (fdef->exports[i].internal_name |
406 | && fdef->exports[i].internal_name != fdef->exports[i].name) | |
407 | free (fdef->exports[i].internal_name); | |
408 | if (fdef->exports[i].name) | |
409 | free (fdef->exports[i].name); | |
410 | if (fdef->exports[i].its_name) | |
411 | free (fdef->exports[i].its_name); | |
252b5132 | 412 | } |
91d6fa6a | 413 | free (fdef->exports); |
252b5132 RH |
414 | } |
415 | ||
91d6fa6a | 416 | if (fdef->imports) |
252b5132 | 417 | { |
91d6fa6a | 418 | for (i = 0; i < fdef->num_imports; i++) |
252b5132 | 419 | { |
91d6fa6a NC |
420 | if (fdef->imports[i].internal_name |
421 | && fdef->imports[i].internal_name != fdef->imports[i].name) | |
422 | free (fdef->imports[i].internal_name); | |
423 | if (fdef->imports[i].name) | |
424 | free (fdef->imports[i].name); | |
425 | if (fdef->imports[i].its_name) | |
426 | free (fdef->imports[i].its_name); | |
252b5132 | 427 | } |
91d6fa6a | 428 | free (fdef->imports); |
252b5132 RH |
429 | } |
430 | ||
91d6fa6a | 431 | while (fdef->modules) |
252b5132 | 432 | { |
91d6fa6a NC |
433 | def_file_module *m = fdef->modules; |
434 | ||
435 | fdef->modules = fdef->modules->next; | |
252b5132 RH |
436 | free (m); |
437 | } | |
438 | ||
91d6fa6a | 439 | while (fdef->aligncomms) |
c1711530 | 440 | { |
91d6fa6a NC |
441 | def_file_aligncomm *c = fdef->aligncomms; |
442 | ||
443 | fdef->aligncomms = fdef->aligncomms->next; | |
c1711530 DK |
444 | free (c->symbol_name); |
445 | free (c); | |
446 | } | |
447 | ||
91d6fa6a | 448 | free (fdef); |
252b5132 RH |
449 | } |
450 | ||
451 | #ifdef DEF_FILE_PRINT | |
452 | void | |
91d6fa6a | 453 | def_file_print (FILE *file, def_file *fdef) |
252b5132 RH |
454 | { |
455 | int i; | |
a35bc64f | 456 | |
91d6fa6a NC |
457 | fprintf (file, ">>>> def_file at 0x%08x\n", fdef); |
458 | if (fdef->name) | |
459 | fprintf (file, " name: %s\n", fdef->name ? fdef->name : "(unspecified)"); | |
460 | if (fdef->is_dll != -1) | |
461 | fprintf (file, " is dll: %s\n", fdef->is_dll ? "yes" : "no"); | |
462 | if (fdef->base_address != (bfd_vma) -1) | |
463 | fprintf (file, " base address: 0x%08x\n", fdef->base_address); | |
464 | if (fdef->description) | |
465 | fprintf (file, " description: `%s'\n", fdef->description); | |
466 | if (fdef->stack_reserve != -1) | |
467 | fprintf (file, " stack reserve: 0x%08x\n", fdef->stack_reserve); | |
468 | if (fdef->stack_commit != -1) | |
469 | fprintf (file, " stack commit: 0x%08x\n", fdef->stack_commit); | |
470 | if (fdef->heap_reserve != -1) | |
471 | fprintf (file, " heap reserve: 0x%08x\n", fdef->heap_reserve); | |
472 | if (fdef->heap_commit != -1) | |
473 | fprintf (file, " heap commit: 0x%08x\n", fdef->heap_commit); | |
474 | ||
475 | if (fdef->num_section_defs > 0) | |
252b5132 RH |
476 | { |
477 | fprintf (file, " section defs:\n"); | |
a35bc64f | 478 | |
91d6fa6a | 479 | for (i = 0; i < fdef->num_section_defs; i++) |
252b5132 RH |
480 | { |
481 | fprintf (file, " name: `%s', class: `%s', flags:", | |
91d6fa6a NC |
482 | fdef->section_defs[i].name, fdef->section_defs[i].class); |
483 | if (fdef->section_defs[i].flag_read) | |
252b5132 | 484 | fprintf (file, " R"); |
91d6fa6a | 485 | if (fdef->section_defs[i].flag_write) |
252b5132 | 486 | fprintf (file, " W"); |
91d6fa6a | 487 | if (fdef->section_defs[i].flag_execute) |
252b5132 | 488 | fprintf (file, " X"); |
91d6fa6a | 489 | if (fdef->section_defs[i].flag_shared) |
252b5132 RH |
490 | fprintf (file, " S"); |
491 | fprintf (file, "\n"); | |
492 | } | |
493 | } | |
494 | ||
91d6fa6a | 495 | if (fdef->num_exports > 0) |
252b5132 RH |
496 | { |
497 | fprintf (file, " exports:\n"); | |
a35bc64f | 498 | |
91d6fa6a | 499 | for (i = 0; i < fdef->num_exports; i++) |
252b5132 RH |
500 | { |
501 | fprintf (file, " name: `%s', int: `%s', ordinal: %d, flags:", | |
91d6fa6a NC |
502 | fdef->exports[i].name, fdef->exports[i].internal_name, |
503 | fdef->exports[i].ordinal); | |
504 | if (fdef->exports[i].flag_private) | |
252b5132 | 505 | fprintf (file, " P"); |
91d6fa6a | 506 | if (fdef->exports[i].flag_constant) |
252b5132 | 507 | fprintf (file, " C"); |
91d6fa6a | 508 | if (fdef->exports[i].flag_noname) |
252b5132 | 509 | fprintf (file, " N"); |
91d6fa6a | 510 | if (fdef->exports[i].flag_data) |
252b5132 RH |
511 | fprintf (file, " D"); |
512 | fprintf (file, "\n"); | |
513 | } | |
514 | } | |
515 | ||
91d6fa6a | 516 | if (fdef->num_imports > 0) |
252b5132 RH |
517 | { |
518 | fprintf (file, " imports:\n"); | |
a35bc64f | 519 | |
91d6fa6a | 520 | for (i = 0; i < fdef->num_imports; i++) |
252b5132 RH |
521 | { |
522 | fprintf (file, " int: %s, from: `%s', name: `%s', ordinal: %d\n", | |
91d6fa6a NC |
523 | fdef->imports[i].internal_name, |
524 | fdef->imports[i].module, | |
525 | fdef->imports[i].name, | |
526 | fdef->imports[i].ordinal); | |
252b5132 RH |
527 | } |
528 | } | |
a35bc64f | 529 | |
91d6fa6a NC |
530 | if (fdef->version_major != -1) |
531 | fprintf (file, " version: %d.%d\n", fdef->version_major, fdef->version_minor); | |
a35bc64f | 532 | |
b41d91a7 | 533 | fprintf (file, "<<<< def_file at 0x%08x\n", fdef); |
252b5132 RH |
534 | } |
535 | #endif | |
536 | ||
db17156e KT |
537 | /* Helper routine to check for identity of string pointers, |
538 | which might be NULL. */ | |
539 | ||
540 | static int | |
541 | are_names_equal (const char *s1, const char *s2) | |
542 | { | |
543 | if (!s1 && !s2) | |
544 | return 0; | |
545 | if (!s1 || !s2) | |
546 | return (!s1 ? -1 : 1); | |
547 | return strcmp (s1, s2); | |
548 | } | |
549 | ||
550 | static int | |
551 | cmp_export_elem (const def_file_export *e, const char *ex_name, | |
552 | const char *in_name, const char *its_name, | |
553 | int ord) | |
554 | { | |
555 | int r; | |
556 | ||
557 | if ((r = are_names_equal (ex_name, e->name)) != 0) | |
558 | return r; | |
559 | if ((r = are_names_equal (in_name, e->internal_name)) != 0) | |
560 | return r; | |
561 | if ((r = are_names_equal (its_name, e->its_name)) != 0) | |
562 | return r; | |
563 | return (ord - e->ordinal); | |
564 | } | |
565 | ||
566 | /* Search the position of the identical element, or returns the position | |
567 | of the next higher element. If last valid element is smaller, then MAX | |
568 | is returned. */ | |
569 | ||
570 | static int | |
571 | find_export_in_list (def_file_export *b, int max, | |
572 | const char *ex_name, const char *in_name, | |
573 | const char *its_name, int ord, int *is_ident) | |
574 | { | |
575 | int e, l, r, p; | |
576 | ||
577 | *is_ident = 0; | |
578 | if (!max) | |
579 | return 0; | |
580 | if ((e = cmp_export_elem (b, ex_name, in_name, its_name, ord)) <= 0) | |
581 | return 0; | |
582 | if (max == 1) | |
583 | return 1; | |
584 | if ((e = cmp_export_elem (b + (max - 1), ex_name, in_name, its_name, ord)) > 0) | |
585 | return max; | |
586 | else if (!e || max == 2) | |
587 | return max - 1; | |
588 | l = 0; r = max - 1; | |
589 | while (l < r) | |
590 | { | |
591 | p = (l + r) / 2; | |
592 | e = cmp_export_elem (b + p, ex_name, in_name, its_name, ord); | |
593 | if (!e) | |
594 | { | |
595 | *is_ident = 1; | |
596 | return p; | |
597 | } | |
598 | else if (e < 0) | |
599 | r = p - 1; | |
600 | else if (e > 0) | |
601 | l = p + 1; | |
602 | } | |
603 | if ((e = cmp_export_elem (b + l, ex_name, in_name, its_name, ord)) > 0) | |
604 | ++l; | |
605 | else if (!e) | |
606 | *is_ident = 1; | |
607 | return l; | |
608 | } | |
609 | ||
252b5132 | 610 | def_file_export * |
91d6fa6a | 611 | def_file_add_export (def_file *fdef, |
1579bae1 AM |
612 | const char *external_name, |
613 | const char *internal_name, | |
7fcab871 | 614 | int ordinal, |
db17156e KT |
615 | const char *its_name, |
616 | int *is_dup) | |
252b5132 RH |
617 | { |
618 | def_file_export *e; | |
db17156e | 619 | int pos; |
91d6fa6a | 620 | int max_exports = ROUND_UP(fdef->num_exports, 32); |
a35bc64f | 621 | |
db17156e KT |
622 | if (internal_name && !external_name) |
623 | external_name = internal_name; | |
624 | if (external_name && !internal_name) | |
625 | internal_name = external_name; | |
626 | ||
627 | /* We need to avoid duplicates. */ | |
628 | *is_dup = 0; | |
629 | pos = find_export_in_list (fdef->exports, fdef->num_exports, | |
630 | external_name, internal_name, | |
631 | its_name, ordinal, is_dup); | |
632 | ||
633 | if (*is_dup != 0) | |
634 | return (fdef->exports + pos); | |
635 | ||
91d6fa6a | 636 | if (fdef->num_exports >= max_exports) |
252b5132 | 637 | { |
91d6fa6a NC |
638 | max_exports = ROUND_UP(fdef->num_exports + 1, 32); |
639 | if (fdef->exports) | |
640 | fdef->exports = xrealloc (fdef->exports, | |
1579bae1 | 641 | max_exports * sizeof (def_file_export)); |
252b5132 | 642 | else |
91d6fa6a | 643 | fdef->exports = xmalloc (max_exports * sizeof (def_file_export)); |
252b5132 | 644 | } |
db17156e KT |
645 | |
646 | e = fdef->exports + pos; | |
647 | if (pos != fdef->num_exports) | |
648 | memmove (&e[1], e, (sizeof (def_file_export) * (fdef->num_exports - pos))); | |
252b5132 | 649 | memset (e, 0, sizeof (def_file_export)); |
252b5132 RH |
650 | e->name = xstrdup (external_name); |
651 | e->internal_name = xstrdup (internal_name); | |
7fcab871 | 652 | e->its_name = (its_name ? xstrdup (its_name) : NULL); |
252b5132 | 653 | e->ordinal = ordinal; |
91d6fa6a | 654 | fdef->num_exports++; |
252b5132 RH |
655 | return e; |
656 | } | |
657 | ||
a35bc64f | 658 | def_file_module * |
91d6fa6a | 659 | def_get_module (def_file *fdef, const char *name) |
a35bc64f NC |
660 | { |
661 | def_file_module *s; | |
662 | ||
91d6fa6a | 663 | for (s = fdef->modules; s; s = s->next) |
a35bc64f NC |
664 | if (strcmp (s->name, name) == 0) |
665 | return s; | |
666 | ||
1579bae1 | 667 | return NULL; |
a35bc64f NC |
668 | } |
669 | ||
252b5132 | 670 | static def_file_module * |
91d6fa6a | 671 | def_stash_module (def_file *fdef, const char *name) |
252b5132 RH |
672 | { |
673 | def_file_module *s; | |
a35bc64f | 674 | |
91d6fa6a | 675 | if ((s = def_get_module (fdef, name)) != NULL) |
252b5132 | 676 | return s; |
1579bae1 | 677 | s = xmalloc (sizeof (def_file_module) + strlen (name)); |
b41d91a7 | 678 | s->next = fdef->modules; |
91d6fa6a | 679 | fdef->modules = s; |
252b5132 RH |
680 | s->user_data = 0; |
681 | strcpy (s->name, name); | |
682 | return s; | |
683 | } | |
684 | ||
db17156e KT |
685 | static int |
686 | cmp_import_elem (const def_file_import *e, const char *ex_name, | |
687 | const char *in_name, const char *module, | |
688 | int ord) | |
689 | { | |
690 | int r; | |
691 | ||
692 | if ((r = are_names_equal (ex_name, e->name)) != 0) | |
693 | return r; | |
694 | if ((r = are_names_equal (in_name, e->internal_name)) != 0) | |
695 | return r; | |
696 | if (ord != e->ordinal) | |
697 | return (ord < e->ordinal ? -1 : 1); | |
698 | return are_names_equal (module, (e->module ? e->module->name : NULL)); | |
699 | } | |
700 | ||
701 | /* Search the position of the identical element, or returns the position | |
702 | of the next higher element. If last valid element is smaller, then MAX | |
703 | is returned. */ | |
704 | ||
705 | static int | |
706 | find_import_in_list (def_file_import *b, int max, | |
707 | const char *ex_name, const char *in_name, | |
708 | const char *module, int ord, int *is_ident) | |
709 | { | |
710 | int e, l, r, p; | |
711 | ||
712 | *is_ident = 0; | |
713 | if (!max) | |
714 | return 0; | |
715 | if ((e = cmp_import_elem (b, ex_name, in_name, module, ord)) <= 0) | |
716 | return 0; | |
717 | if (max == 1) | |
718 | return 1; | |
719 | if ((e = cmp_import_elem (b + (max - 1), ex_name, in_name, module, ord)) > 0) | |
720 | return max; | |
721 | else if (!e || max == 2) | |
722 | return max - 1; | |
723 | l = 0; r = max - 1; | |
724 | while (l < r) | |
725 | { | |
726 | p = (l + r) / 2; | |
727 | e = cmp_import_elem (b + p, ex_name, in_name, module, ord); | |
728 | if (!e) | |
729 | { | |
730 | *is_ident = 1; | |
731 | return p; | |
732 | } | |
733 | else if (e < 0) | |
734 | r = p - 1; | |
735 | else if (e > 0) | |
736 | l = p + 1; | |
737 | } | |
738 | if ((e = cmp_import_elem (b + l, ex_name, in_name, module, ord)) > 0) | |
739 | ++l; | |
740 | else if (!e) | |
741 | *is_ident = 1; | |
742 | return l; | |
743 | } | |
744 | ||
252b5132 | 745 | def_file_import * |
91d6fa6a | 746 | def_file_add_import (def_file *fdef, |
1579bae1 AM |
747 | const char *name, |
748 | const char *module, | |
749 | int ordinal, | |
7fcab871 | 750 | const char *internal_name, |
db17156e KT |
751 | const char *its_name, |
752 | int *is_dup) | |
252b5132 RH |
753 | { |
754 | def_file_import *i; | |
db17156e | 755 | int pos; |
91d6fa6a | 756 | int max_imports = ROUND_UP (fdef->num_imports, 16); |
a35bc64f | 757 | |
db17156e KT |
758 | /* We need to avoid here duplicates. */ |
759 | *is_dup = 0; | |
760 | pos = find_import_in_list (fdef->imports, fdef->num_imports, | |
761 | name, | |
762 | (!internal_name ? name : internal_name), | |
763 | module, ordinal, is_dup); | |
764 | if (*is_dup != 0) | |
765 | return fdef->imports + pos; | |
766 | ||
91d6fa6a | 767 | if (fdef->num_imports >= max_imports) |
252b5132 | 768 | { |
91d6fa6a | 769 | max_imports = ROUND_UP (fdef->num_imports+1, 16); |
a35bc64f | 770 | |
91d6fa6a NC |
771 | if (fdef->imports) |
772 | fdef->imports = xrealloc (fdef->imports, | |
1579bae1 | 773 | max_imports * sizeof (def_file_import)); |
252b5132 | 774 | else |
91d6fa6a | 775 | fdef->imports = xmalloc (max_imports * sizeof (def_file_import)); |
252b5132 | 776 | } |
db17156e KT |
777 | i = fdef->imports + pos; |
778 | if (pos != fdef->num_imports) | |
779 | memmove (&i[1], i, (sizeof (def_file_import) * (fdef->num_imports - pos))); | |
252b5132 RH |
780 | memset (i, 0, sizeof (def_file_import)); |
781 | if (name) | |
782 | i->name = xstrdup (name); | |
783 | if (module) | |
b41d91a7 | 784 | i->module = def_stash_module (fdef, module); |
252b5132 RH |
785 | i->ordinal = ordinal; |
786 | if (internal_name) | |
787 | i->internal_name = xstrdup (internal_name); | |
788 | else | |
789 | i->internal_name = i->name; | |
7fcab871 | 790 | i->its_name = (its_name ? xstrdup (its_name) : NULL); |
91d6fa6a | 791 | fdef->num_imports++; |
a35bc64f | 792 | |
252b5132 RH |
793 | return i; |
794 | } | |
795 | ||
796 | struct | |
797 | { | |
798 | char *param; | |
799 | int token; | |
800 | } | |
801 | diropts[] = | |
802 | { | |
803 | { "-heap", HEAPSIZE }, | |
8e58566f | 804 | { "-stack", STACKSIZE_K }, |
252b5132 RH |
805 | { "-attr", SECTIONS }, |
806 | { "-export", EXPORTS }, | |
c1711530 | 807 | { "-aligncomm", ALIGNCOMM }, |
252b5132 RH |
808 | { 0, 0 } |
809 | }; | |
810 | ||
811 | void | |
1579bae1 | 812 | def_file_add_directive (def_file *my_def, const char *param, int len) |
252b5132 RH |
813 | { |
814 | def_file *save_def = def; | |
815 | const char *pend = param + len; | |
dc17f155 | 816 | char * tend = (char *) param; |
252b5132 RH |
817 | int i; |
818 | ||
819 | def = my_def; | |
820 | ||
821 | while (param < pend) | |
822 | { | |
1579bae1 AM |
823 | while (param < pend |
824 | && (ISSPACE (*param) || *param == '\n' || *param == 0)) | |
252b5132 | 825 | param++; |
a35bc64f | 826 | |
dc17f155 NC |
827 | if (param == pend) |
828 | break; | |
829 | ||
830 | /* Scan forward until we encounter any of: | |
831 | - the end of the buffer | |
832 | - the start of a new option | |
833 | - a newline seperating options | |
834 | - a NUL seperating options. */ | |
835 | for (tend = (char *) (param + 1); | |
1579bae1 AM |
836 | (tend < pend |
837 | && !(ISSPACE (tend[-1]) && *tend == '-') | |
838 | && *tend != '\n' && *tend != 0); | |
a35bc64f NC |
839 | tend++) |
840 | ; | |
252b5132 RH |
841 | |
842 | for (i = 0; diropts[i].param; i++) | |
843 | { | |
91d6fa6a | 844 | len = strlen (diropts[i].param); |
a35bc64f | 845 | |
252b5132 RH |
846 | if (tend - param >= len |
847 | && strncmp (param, diropts[i].param, len) == 0 | |
848 | && (param[len] == ':' || param[len] == ' ')) | |
849 | { | |
850 | lex_parse_string_end = tend; | |
851 | lex_parse_string = param + len + 1; | |
852 | lex_forced_token = diropts[i].token; | |
853 | saw_newline = 0; | |
dc17f155 NC |
854 | if (def_parse ()) |
855 | continue; | |
252b5132 RH |
856 | break; |
857 | } | |
858 | } | |
859 | ||
860 | if (!diropts[i].param) | |
dc17f155 NC |
861 | { |
862 | char saved; | |
863 | ||
864 | saved = * tend; | |
865 | * tend = 0; | |
866 | /* xgettext:c-format */ | |
867 | einfo (_("Warning: .drectve `%s' unrecognized\n"), param); | |
868 | * tend = saved; | |
869 | } | |
a35bc64f | 870 | |
252b5132 RH |
871 | lex_parse_string = 0; |
872 | param = tend; | |
873 | } | |
874 | ||
875 | def = save_def; | |
876 | } | |
877 | ||
a35bc64f | 878 | /* Parser Callbacks. */ |
252b5132 RH |
879 | |
880 | static void | |
a880c748 | 881 | def_image_name (const char *name, int base, int is_dll) |
252b5132 | 882 | { |
a2877985 DS |
883 | /* If a LIBRARY or NAME statement is specified without a name, there is nothing |
884 | to do here. We retain the output filename specified on command line. */ | |
885 | if (*name) | |
886 | { | |
887 | const char* image_name = lbasename (name); | |
91d6fa6a | 888 | |
a2877985 DS |
889 | if (image_name != name) |
890 | einfo ("%s:%d: Warning: path components stripped from %s, '%s'\n", | |
891 | def_filename, linenumber, is_dll ? "LIBRARY" : "NAME", | |
892 | name); | |
893 | if (def->name) | |
894 | free (def->name); | |
895 | /* Append the default suffix, if none specified. */ | |
896 | if (strchr (image_name, '.') == 0) | |
897 | { | |
898 | const char * suffix = is_dll ? ".dll" : ".exe"; | |
899 | ||
900 | def->name = xmalloc (strlen (image_name) + strlen (suffix) + 1); | |
901 | sprintf (def->name, "%s%s", image_name, suffix); | |
902 | } | |
903 | else | |
904 | def->name = xstrdup (image_name); | |
905 | } | |
906 | ||
907 | /* Honor a BASE address statement, even if LIBRARY string is empty. */ | |
252b5132 | 908 | def->base_address = base; |
a880c748 | 909 | def->is_dll = is_dll; |
252b5132 RH |
910 | } |
911 | ||
912 | static void | |
1579bae1 | 913 | def_description (const char *text) |
252b5132 RH |
914 | { |
915 | int len = def->description ? strlen (def->description) : 0; | |
a35bc64f | 916 | |
252b5132 RH |
917 | len += strlen (text) + 1; |
918 | if (def->description) | |
919 | { | |
1579bae1 | 920 | def->description = xrealloc (def->description, len); |
252b5132 RH |
921 | strcat (def->description, text); |
922 | } | |
923 | else | |
924 | { | |
1579bae1 | 925 | def->description = xmalloc (len); |
252b5132 RH |
926 | strcpy (def->description, text); |
927 | } | |
928 | } | |
929 | ||
930 | static void | |
1579bae1 | 931 | def_stacksize (int reserve, int commit) |
252b5132 RH |
932 | { |
933 | def->stack_reserve = reserve; | |
934 | def->stack_commit = commit; | |
935 | } | |
936 | ||
937 | static void | |
1579bae1 | 938 | def_heapsize (int reserve, int commit) |
252b5132 RH |
939 | { |
940 | def->heap_reserve = reserve; | |
941 | def->heap_commit = commit; | |
942 | } | |
943 | ||
944 | static void | |
1579bae1 | 945 | def_section (const char *name, int attr) |
252b5132 RH |
946 | { |
947 | def_file_section *s; | |
1579bae1 | 948 | int max_sections = ROUND_UP (def->num_section_defs, 4); |
a35bc64f | 949 | |
252b5132 RH |
950 | if (def->num_section_defs >= max_sections) |
951 | { | |
1579bae1 | 952 | max_sections = ROUND_UP (def->num_section_defs+1, 4); |
a35bc64f | 953 | |
252b5132 | 954 | if (def->section_defs) |
1579bae1 AM |
955 | def->section_defs = xrealloc (def->section_defs, |
956 | max_sections * sizeof (def_file_import)); | |
252b5132 | 957 | else |
1579bae1 | 958 | def->section_defs = xmalloc (max_sections * sizeof (def_file_import)); |
252b5132 RH |
959 | } |
960 | s = def->section_defs + def->num_section_defs; | |
961 | memset (s, 0, sizeof (def_file_section)); | |
962 | s->name = xstrdup (name); | |
963 | if (attr & 1) | |
964 | s->flag_read = 1; | |
965 | if (attr & 2) | |
966 | s->flag_write = 1; | |
967 | if (attr & 4) | |
968 | s->flag_execute = 1; | |
969 | if (attr & 8) | |
970 | s->flag_shared = 1; | |
971 | ||
972 | def->num_section_defs++; | |
973 | } | |
974 | ||
975 | static void | |
1579bae1 | 976 | def_section_alt (const char *name, const char *attr) |
252b5132 RH |
977 | { |
978 | int aval = 0; | |
a35bc64f | 979 | |
252b5132 RH |
980 | for (; *attr; attr++) |
981 | { | |
982 | switch (*attr) | |
983 | { | |
984 | case 'R': | |
985 | case 'r': | |
986 | aval |= 1; | |
987 | break; | |
988 | case 'W': | |
989 | case 'w': | |
990 | aval |= 2; | |
991 | break; | |
992 | case 'X': | |
993 | case 'x': | |
994 | aval |= 4; | |
995 | break; | |
996 | case 'S': | |
997 | case 's': | |
998 | aval |= 8; | |
999 | break; | |
1000 | } | |
1001 | } | |
1002 | def_section (name, aval); | |
1003 | } | |
1004 | ||
1005 | static void | |
1579bae1 AM |
1006 | def_exports (const char *external_name, |
1007 | const char *internal_name, | |
1008 | int ordinal, | |
7fcab871 KT |
1009 | int flags, |
1010 | const char *its_name) | |
252b5132 RH |
1011 | { |
1012 | def_file_export *dfe; | |
db17156e | 1013 | int is_dup = 0; |
252b5132 RH |
1014 | |
1015 | if (!internal_name && external_name) | |
1016 | internal_name = external_name; | |
1017 | #if TRACE | |
1018 | printf ("def_exports, ext=%s int=%s\n", external_name, internal_name); | |
1019 | #endif | |
1020 | ||
7fcab871 | 1021 | dfe = def_file_add_export (def, external_name, internal_name, ordinal, |
db17156e KT |
1022 | its_name, &is_dup); |
1023 | ||
1024 | /* We might check here for flag redefinition and warn. For now we | |
1025 | ignore duplicates silently. */ | |
1026 | if (is_dup) | |
1027 | return; | |
1028 | ||
252b5132 RH |
1029 | if (flags & 1) |
1030 | dfe->flag_noname = 1; | |
1031 | if (flags & 2) | |
1032 | dfe->flag_constant = 1; | |
1033 | if (flags & 4) | |
1034 | dfe->flag_data = 1; | |
1035 | if (flags & 8) | |
1036 | dfe->flag_private = 1; | |
1037 | } | |
1038 | ||
1039 | static void | |
1579bae1 AM |
1040 | def_import (const char *internal_name, |
1041 | const char *module, | |
1042 | const char *dllext, | |
1043 | const char *name, | |
7fcab871 KT |
1044 | int ordinal, |
1045 | const char *its_name) | |
252b5132 RH |
1046 | { |
1047 | char *buf = 0; | |
db17156e KT |
1048 | const char *ext = dllext ? dllext : "dll"; |
1049 | int is_dup = 0; | |
053c44e1 | 1050 | |
1579bae1 | 1051 | buf = xmalloc (strlen (module) + strlen (ext) + 2); |
053c44e1 DS |
1052 | sprintf (buf, "%s.%s", module, ext); |
1053 | module = buf; | |
252b5132 | 1054 | |
db17156e KT |
1055 | def_file_add_import (def, name, module, ordinal, internal_name, its_name, |
1056 | &is_dup); | |
1057 | free (buf); | |
252b5132 RH |
1058 | } |
1059 | ||
1060 | static void | |
1579bae1 | 1061 | def_version (int major, int minor) |
252b5132 RH |
1062 | { |
1063 | def->version_major = major; | |
1064 | def->version_minor = minor; | |
1065 | } | |
1066 | ||
1067 | static void | |
1579bae1 | 1068 | def_directive (char *str) |
252b5132 | 1069 | { |
1579bae1 | 1070 | struct directive *d = xmalloc (sizeof (struct directive)); |
a35bc64f | 1071 | |
252b5132 RH |
1072 | d->next = directives; |
1073 | directives = d; | |
1074 | d->name = xstrdup (str); | |
1075 | d->len = strlen (str); | |
1076 | } | |
1077 | ||
c1711530 DK |
1078 | static void |
1079 | def_aligncomm (char *str, int align) | |
1080 | { | |
1081 | def_file_aligncomm *c = xmalloc (sizeof (def_file_aligncomm)); | |
1082 | ||
1083 | c->symbol_name = xstrdup (str); | |
1084 | c->alignment = (unsigned int) align; | |
1085 | ||
1086 | c->next = def->aligncomms; | |
1087 | def->aligncomms = c; | |
1088 | } | |
1089 | ||
252b5132 | 1090 | static int |
1579bae1 | 1091 | def_error (const char *err) |
252b5132 | 1092 | { |
1579bae1 AM |
1093 | einfo ("%P: %s:%d: %s\n", |
1094 | def_filename ? def_filename : "<unknown-file>", linenumber, err); | |
252b5132 RH |
1095 | return 0; |
1096 | } | |
1097 | ||
1098 | ||
a35bc64f | 1099 | /* Lexical Scanner. */ |
252b5132 RH |
1100 | |
1101 | #undef TRACE | |
1102 | #define TRACE 0 | |
1103 | ||
a35bc64f | 1104 | /* Never freed, but always reused as needed, so no real leak. */ |
252b5132 RH |
1105 | static char *buffer = 0; |
1106 | static int buflen = 0; | |
1107 | static int bufptr = 0; | |
1108 | ||
1109 | static void | |
1579bae1 | 1110 | put_buf (char c) |
252b5132 RH |
1111 | { |
1112 | if (bufptr == buflen) | |
1113 | { | |
a35bc64f | 1114 | buflen += 50; /* overly reasonable, eh? */ |
252b5132 | 1115 | if (buffer) |
1579bae1 | 1116 | buffer = xrealloc (buffer, buflen + 1); |
252b5132 | 1117 | else |
1579bae1 | 1118 | buffer = xmalloc (buflen + 1); |
252b5132 RH |
1119 | } |
1120 | buffer[bufptr++] = c; | |
a35bc64f | 1121 | buffer[bufptr] = 0; /* not optimal, but very convenient. */ |
252b5132 RH |
1122 | } |
1123 | ||
1124 | static struct | |
1125 | { | |
1126 | char *name; | |
1127 | int token; | |
1128 | } | |
1129 | tokens[] = | |
1130 | { | |
1131 | { "BASE", BASE }, | |
1132 | { "CODE", CODE }, | |
7c9e78f8 DD |
1133 | { "CONSTANT", CONSTANTU }, |
1134 | { "constant", CONSTANTL }, | |
1135 | { "DATA", DATAU }, | |
1136 | { "data", DATAL }, | |
252b5132 RH |
1137 | { "DESCRIPTION", DESCRIPTION }, |
1138 | { "DIRECTIVE", DIRECTIVE }, | |
1139 | { "EXECUTE", EXECUTE }, | |
1140 | { "EXPORTS", EXPORTS }, | |
1141 | { "HEAPSIZE", HEAPSIZE }, | |
1142 | { "IMPORTS", IMPORTS }, | |
1143 | { "LIBRARY", LIBRARY }, | |
1144 | { "NAME", NAME }, | |
7c9e78f8 DD |
1145 | { "NONAME", NONAMEU }, |
1146 | { "noname", NONAMEL }, | |
1147 | { "PRIVATE", PRIVATEU }, | |
1148 | { "private", PRIVATEL }, | |
252b5132 RH |
1149 | { "READ", READ }, |
1150 | { "SECTIONS", SECTIONS }, | |
1151 | { "SEGMENTS", SECTIONS }, | |
1152 | { "SHARED", SHARED }, | |
8e58566f | 1153 | { "STACKSIZE", STACKSIZE_K }, |
252b5132 RH |
1154 | { "VERSION", VERSIONK }, |
1155 | { "WRITE", WRITE }, | |
1156 | { 0, 0 } | |
1157 | }; | |
1158 | ||
1159 | static int | |
1579bae1 | 1160 | def_getc (void) |
252b5132 RH |
1161 | { |
1162 | int rv; | |
a35bc64f | 1163 | |
252b5132 RH |
1164 | if (lex_parse_string) |
1165 | { | |
1166 | if (lex_parse_string >= lex_parse_string_end) | |
1167 | rv = EOF; | |
1168 | else | |
1169 | rv = *lex_parse_string++; | |
1170 | } | |
1171 | else | |
1172 | { | |
1173 | rv = fgetc (the_file); | |
1174 | } | |
1175 | if (rv == '\n') | |
1176 | saw_newline = 1; | |
1177 | return rv; | |
1178 | } | |
1179 | ||
1180 | static int | |
1579bae1 | 1181 | def_ungetc (int c) |
252b5132 RH |
1182 | { |
1183 | if (lex_parse_string) | |
1184 | { | |
1185 | lex_parse_string--; | |
1186 | return c; | |
1187 | } | |
1188 | else | |
1189 | return ungetc (c, the_file); | |
1190 | } | |
1191 | ||
1192 | static int | |
1579bae1 | 1193 | def_lex (void) |
252b5132 RH |
1194 | { |
1195 | int c, i, q; | |
1196 | ||
1197 | if (lex_forced_token) | |
1198 | { | |
1199 | i = lex_forced_token; | |
1200 | lex_forced_token = 0; | |
1201 | #if TRACE | |
1202 | printf ("lex: forcing token %d\n", i); | |
1203 | #endif | |
1204 | return i; | |
1205 | } | |
1206 | ||
1207 | c = def_getc (); | |
1208 | ||
a35bc64f | 1209 | /* Trim leading whitespace. */ |
252b5132 RH |
1210 | while (c != EOF && (c == ' ' || c == '\t') && saw_newline) |
1211 | c = def_getc (); | |
1212 | ||
1213 | if (c == EOF) | |
1214 | { | |
1215 | #if TRACE | |
1216 | printf ("lex: EOF\n"); | |
1217 | #endif | |
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | if (saw_newline && c == ';') | |
1222 | { | |
1223 | do | |
1224 | { | |
1225 | c = def_getc (); | |
1226 | } | |
1227 | while (c != EOF && c != '\n'); | |
1228 | if (c == '\n') | |
1229 | return def_lex (); | |
1230 | return 0; | |
1231 | } | |
a35bc64f NC |
1232 | |
1233 | /* Must be something else. */ | |
252b5132 RH |
1234 | saw_newline = 0; |
1235 | ||
3882b010 | 1236 | if (ISDIGIT (c)) |
252b5132 RH |
1237 | { |
1238 | bufptr = 0; | |
3882b010 | 1239 | while (c != EOF && (ISXDIGIT (c) || (c == 'x'))) |
252b5132 RH |
1240 | { |
1241 | put_buf (c); | |
1242 | c = def_getc (); | |
1243 | } | |
1244 | if (c != EOF) | |
1245 | def_ungetc (c); | |
05056a8d | 1246 | yylval.digits = xstrdup (buffer); |
252b5132 | 1247 | #if TRACE |
05056a8d | 1248 | printf ("lex: `%s' returns DIGITS\n", buffer); |
252b5132 | 1249 | #endif |
05056a8d | 1250 | return DIGITS; |
252b5132 RH |
1251 | } |
1252 | ||
c9e38879 | 1253 | if (ISALPHA (c) || strchr ("$:-_?@", c)) |
252b5132 RH |
1254 | { |
1255 | bufptr = 0; | |
c9e38879 NC |
1256 | q = c; |
1257 | put_buf (c); | |
1258 | c = def_getc (); | |
1259 | ||
1260 | if (q == '@') | |
1261 | { | |
1262 | if (ISBLANK (c) ) /* '@' followed by whitespace. */ | |
1263 | return (q); | |
1264 | else if (ISDIGIT (c)) /* '@' followed by digit. */ | |
1265 | { | |
1266 | def_ungetc (c); | |
1267 | return (q); | |
1268 | } | |
1269 | #if TRACE | |
1270 | printf ("lex: @ returns itself\n"); | |
1271 | #endif | |
1272 | } | |
1273 | ||
424908eb | 1274 | while (c != EOF && (ISALNUM (c) || strchr ("$:-_?/@<>", c))) |
252b5132 RH |
1275 | { |
1276 | put_buf (c); | |
1277 | c = def_getc (); | |
1278 | } | |
1279 | if (c != EOF) | |
1280 | def_ungetc (c); | |
c9e38879 NC |
1281 | if (ISALPHA (q)) /* Check for tokens. */ |
1282 | { | |
1283 | for (i = 0; tokens[i].name; i++) | |
1284 | if (strcmp (tokens[i].name, buffer) == 0) | |
1285 | { | |
252b5132 | 1286 | #if TRACE |
c9e38879 | 1287 | printf ("lex: `%s' is a string token\n", buffer); |
252b5132 | 1288 | #endif |
c9e38879 NC |
1289 | return tokens[i].token; |
1290 | } | |
1291 | } | |
252b5132 RH |
1292 | #if TRACE |
1293 | printf ("lex: `%s' returns ID\n", buffer); | |
1294 | #endif | |
1295 | yylval.id = xstrdup (buffer); | |
1296 | return ID; | |
1297 | } | |
1298 | ||
1299 | if (c == '\'' || c == '"') | |
1300 | { | |
1301 | q = c; | |
1302 | c = def_getc (); | |
1303 | bufptr = 0; | |
a35bc64f | 1304 | |
252b5132 RH |
1305 | while (c != EOF && c != q) |
1306 | { | |
1307 | put_buf (c); | |
1308 | c = def_getc (); | |
1309 | } | |
1310 | yylval.id = xstrdup (buffer); | |
1311 | #if TRACE | |
1312 | printf ("lex: `%s' returns ID\n", buffer); | |
1313 | #endif | |
1314 | return ID; | |
1315 | } | |
1316 | ||
7fcab871 KT |
1317 | if ( c == '=') |
1318 | { | |
1319 | c = def_getc (); | |
1320 | if (c == '=') | |
1321 | { | |
1322 | #if TRACE | |
1323 | printf ("lex: `==' returns EQUAL\n"); | |
1324 | #endif | |
1325 | return EQUAL; | |
1326 | } | |
1327 | def_ungetc (c); | |
1328 | #if TRACE | |
1329 | printf ("lex: `=' returns itself\n"); | |
1330 | #endif | |
1331 | return '='; | |
1332 | } | |
1333 | if (c == '.' || c == ',') | |
252b5132 RH |
1334 | { |
1335 | #if TRACE | |
1336 | printf ("lex: `%c' returns itself\n", c); | |
1337 | #endif | |
1338 | return c; | |
1339 | } | |
1340 | ||
1341 | if (c == '\n') | |
1342 | { | |
1343 | linenumber++; | |
1344 | saw_newline = 1; | |
1345 | } | |
1346 | ||
1347 | /*printf ("lex: 0x%02x ignored\n", c); */ | |
1348 | return def_lex (); | |
1349 | } |