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1f3233d1 | 1 | /* Process source files and output type information. |
a8349c62 | 2 | Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. |
1f3233d1 | 3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 2, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GCC; see the file COPYING. If not, write to the Free | |
18 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
19 | 02111-1307, USA. */ | |
20 | ||
805e22b2 | 21 | #include "bconfig.h" |
1f3233d1 | 22 | #include "system.h" |
805e22b2 | 23 | #include "coretypes.h" |
24 | #include "tm.h" | |
1f3233d1 | 25 | #include "gengtype.h" |
776c30b8 | 26 | #include "gtyp-gen.h" |
1f3233d1 | 27 | |
acfcaf8d | 28 | #define NO_GENRTL_H |
29 | #include "rtl.h" | |
30 | #undef abort | |
31 | ||
155e048d | 32 | /* Nonzero iff an error has occurred. */ |
1f3233d1 | 33 | static int hit_error = 0; |
155e048d | 34 | |
1a97be37 | 35 | static void gen_rtx_next (void); |
36 | static void write_rtx_next (void); | |
37 | static void open_base_files (void); | |
38 | static void close_output_files (void); | |
4b6ffd1b | 39 | |
155e048d | 40 | /* Report an error at POS, printing MSG. */ |
41 | ||
1f3233d1 | 42 | void |
ee582a61 | 43 | error_at_line (struct fileloc *pos, const char *msg, ...) |
1f3233d1 | 44 | { |
ee582a61 | 45 | va_list ap; |
1a97be37 | 46 | |
ee582a61 | 47 | va_start (ap, msg); |
1f3233d1 | 48 | |
49 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
50 | vfprintf (stderr, msg, ap); | |
51 | fputc ('\n', stderr); | |
52 | hit_error = 1; | |
53 | ||
ee582a61 | 54 | va_end (ap); |
1f3233d1 | 55 | } |
56 | ||
92570e7a | 57 | /* vasprintf, but produces fatal message on out-of-memory. */ |
58 | int | |
1a97be37 | 59 | xvasprintf (char **result, const char *format, va_list args) |
92570e7a | 60 | { |
61 | int ret = vasprintf (result, format, args); | |
62 | if (*result == NULL || ret < 0) | |
63 | { | |
64 | fputs ("gengtype: out of memory", stderr); | |
65 | xexit (1); | |
66 | } | |
67 | return ret; | |
68 | } | |
69 | ||
70 | /* Wrapper for xvasprintf. */ | |
71 | char * | |
ee582a61 | 72 | xasprintf (const char *format, ...) |
92570e7a | 73 | { |
74 | char *result; | |
ee582a61 | 75 | va_list ap; |
1a97be37 | 76 | |
ee582a61 | 77 | va_start (ap, format); |
92570e7a | 78 | xvasprintf (&result, format, ap); |
ee582a61 | 79 | va_end (ap); |
92570e7a | 80 | return result; |
81 | } | |
82 | ||
155e048d | 83 | /* The one and only TYPE_STRING. */ |
84 | ||
1f3233d1 | 85 | struct type string_type = { |
5ffca67a | 86 | TYPE_STRING, NULL, NULL, GC_USED, {0} |
1a97be37 | 87 | }; |
1f3233d1 | 88 | |
155e048d | 89 | /* Lists of various things. */ |
90 | ||
1f3233d1 | 91 | static pair_p typedefs; |
92 | static type_p structures; | |
93 | static type_p param_structs; | |
94 | static pair_p variables; | |
95 | ||
1a97be37 | 96 | static void do_scalar_typedef (const char *, struct fileloc *); |
97 | static type_p find_param_structure | |
98 | (type_p t, type_p param[NUM_PARAM]); | |
99 | static type_p adjust_field_tree_exp (type_p t, options_p opt); | |
100 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
c849df63 | 101 | |
155e048d | 102 | /* Define S as a typedef to T at POS. */ |
103 | ||
1f3233d1 | 104 | void |
1a97be37 | 105 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
1f3233d1 | 106 | { |
107 | pair_p p; | |
108 | ||
109 | for (p = typedefs; p != NULL; p = p->next) | |
110 | if (strcmp (p->name, s) == 0) | |
111 | { | |
112 | if (p->type != t) | |
113 | { | |
114 | error_at_line (pos, "type `%s' previously defined", s); | |
115 | error_at_line (&p->line, "previously defined here"); | |
116 | } | |
117 | return; | |
118 | } | |
119 | ||
120 | p = xmalloc (sizeof (struct pair)); | |
121 | p->next = typedefs; | |
122 | p->name = s; | |
123 | p->type = t; | |
124 | p->line = *pos; | |
125 | typedefs = p; | |
126 | } | |
127 | ||
c849df63 | 128 | /* Define S as a typename of a scalar. */ |
129 | ||
130 | static void | |
1a97be37 | 131 | do_scalar_typedef (const char *s, struct fileloc *pos) |
c849df63 | 132 | { |
133 | do_typedef (s, create_scalar_type (s, strlen (s)), pos); | |
134 | } | |
135 | ||
102502d4 | 136 | /* Return the type previously defined for S. Use POS to report errors. */ |
155e048d | 137 | |
1f3233d1 | 138 | type_p |
1a97be37 | 139 | resolve_typedef (const char *s, struct fileloc *pos) |
1f3233d1 | 140 | { |
141 | pair_p p; | |
142 | for (p = typedefs; p != NULL; p = p->next) | |
143 | if (strcmp (p->name, s) == 0) | |
144 | return p->type; | |
145 | error_at_line (pos, "unidentified type `%s'", s); | |
146 | return create_scalar_type ("char", 4); | |
147 | } | |
148 | ||
155e048d | 149 | /* Create a new structure with tag NAME (or a union iff ISUNION is nonzero), |
150 | at POS with fields FIELDS and options O. */ | |
151 | ||
1f3233d1 | 152 | void |
1a97be37 | 153 | new_structure (const char *name, int isunion, struct fileloc *pos, |
154 | pair_p fields, options_p o) | |
1f3233d1 | 155 | { |
156 | type_p si; | |
157 | type_p s = NULL; | |
158 | lang_bitmap bitmap = get_base_file_bitmap (pos->file); | |
159 | ||
160 | for (si = structures; si != NULL; si = si->next) | |
1a97be37 | 161 | if (strcmp (name, si->u.s.tag) == 0 |
1f3233d1 | 162 | && UNION_P (si) == isunion) |
163 | { | |
164 | type_p ls = NULL; | |
165 | if (si->kind == TYPE_LANG_STRUCT) | |
166 | { | |
167 | ls = si; | |
1a97be37 | 168 | |
1f3233d1 | 169 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
170 | if (si->u.s.bitmap == bitmap) | |
171 | s = si; | |
172 | } | |
173 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
174 | { | |
175 | ls = si; | |
176 | si = xcalloc (1, sizeof (struct type)); | |
177 | memcpy (si, ls, sizeof (struct type)); | |
178 | ls->kind = TYPE_LANG_STRUCT; | |
179 | ls->u.s.lang_struct = si; | |
180 | ls->u.s.fields = NULL; | |
181 | si->next = NULL; | |
182 | si->pointer_to = NULL; | |
183 | si->u.s.lang_struct = ls; | |
184 | } | |
185 | else | |
186 | s = si; | |
187 | ||
188 | if (ls != NULL && s == NULL) | |
189 | { | |
190 | s = xcalloc (1, sizeof (struct type)); | |
191 | s->next = ls->u.s.lang_struct; | |
192 | ls->u.s.lang_struct = s; | |
193 | s->u.s.lang_struct = ls; | |
194 | } | |
195 | break; | |
196 | } | |
1a97be37 | 197 | |
1f3233d1 | 198 | if (s == NULL) |
199 | { | |
200 | s = xcalloc (1, sizeof (struct type)); | |
201 | s->next = structures; | |
202 | structures = s; | |
203 | } | |
204 | ||
205 | if (s->u.s.line.file != NULL | |
206 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
207 | { | |
208 | error_at_line (pos, "duplicate structure definition"); | |
209 | error_at_line (&s->u.s.line, "previous definition here"); | |
210 | } | |
211 | ||
212 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
213 | s->u.s.tag = name; | |
214 | s->u.s.line = *pos; | |
215 | s->u.s.fields = fields; | |
216 | s->u.s.opt = o; | |
217 | s->u.s.bitmap = bitmap; | |
218 | if (s->u.s.lang_struct) | |
219 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
220 | } | |
221 | ||
155e048d | 222 | /* Return the previously-defined structure with tag NAME (or a union |
223 | iff ISUNION is nonzero), or a new empty structure or union if none | |
224 | was defined previously. */ | |
225 | ||
1f3233d1 | 226 | type_p |
1a97be37 | 227 | find_structure (const char *name, int isunion) |
1f3233d1 | 228 | { |
229 | type_p s; | |
230 | ||
231 | for (s = structures; s != NULL; s = s->next) | |
1a97be37 | 232 | if (strcmp (name, s->u.s.tag) == 0 |
1f3233d1 | 233 | && UNION_P (s) == isunion) |
234 | return s; | |
235 | ||
236 | s = xcalloc (1, sizeof (struct type)); | |
237 | s->next = structures; | |
238 | structures = s; | |
239 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
240 | s->u.s.tag = name; | |
241 | structures = s; | |
242 | return s; | |
243 | } | |
244 | ||
a8b24921 | 245 | /* Return the previously-defined parameterized structure for structure |
246 | T and parameters PARAM, or a new parameterized empty structure or | |
9cb8e99f | 247 | union if none was defined previously. */ |
c849df63 | 248 | |
249 | static type_p | |
1a97be37 | 250 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
c849df63 | 251 | { |
252 | type_p res; | |
1a97be37 | 253 | |
c849df63 | 254 | for (res = param_structs; res; res = res->next) |
255 | if (res->u.param_struct.stru == t | |
1a97be37 | 256 | && memcmp (res->u.param_struct.param, param, |
c849df63 | 257 | sizeof (type_p) * NUM_PARAM) == 0) |
258 | break; | |
259 | if (res == NULL) | |
260 | { | |
261 | res = xcalloc (1, sizeof (*res)); | |
262 | res->kind = TYPE_PARAM_STRUCT; | |
263 | res->next = param_structs; | |
264 | param_structs = res; | |
265 | res->u.param_struct.stru = t; | |
266 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
267 | } | |
268 | return res; | |
269 | } | |
270 | ||
155e048d | 271 | /* Return a scalar type with name NAME. */ |
272 | ||
1f3233d1 | 273 | type_p |
1a97be37 | 274 | create_scalar_type (const char *name, size_t name_len) |
1f3233d1 | 275 | { |
276 | type_p r = xcalloc (1, sizeof (struct type)); | |
277 | r->kind = TYPE_SCALAR; | |
278 | r->u.sc = xmemdup (name, name_len, name_len + 1); | |
279 | return r; | |
280 | } | |
281 | ||
155e048d | 282 | /* Return a pointer to T. */ |
283 | ||
1f3233d1 | 284 | type_p |
1a97be37 | 285 | create_pointer (type_p t) |
1f3233d1 | 286 | { |
287 | if (! t->pointer_to) | |
288 | { | |
289 | type_p r = xcalloc (1, sizeof (struct type)); | |
290 | r->kind = TYPE_POINTER; | |
291 | r->u.p = t; | |
292 | t->pointer_to = r; | |
293 | } | |
294 | return t->pointer_to; | |
295 | } | |
296 | ||
155e048d | 297 | /* Return an array of length LEN. */ |
298 | ||
1f3233d1 | 299 | type_p |
1a97be37 | 300 | create_array (type_p t, const char *len) |
1f3233d1 | 301 | { |
302 | type_p v; | |
1a97be37 | 303 | |
1f3233d1 | 304 | v = xcalloc (1, sizeof (*v)); |
305 | v->kind = TYPE_ARRAY; | |
306 | v->u.a.p = t; | |
307 | v->u.a.len = len; | |
308 | return v; | |
309 | } | |
310 | ||
7035b2ab | 311 | /* Return an options structure with name NAME and info INFO. */ |
312 | options_p | |
313 | create_option (const char *name, void *info) | |
314 | { | |
315 | options_p o = xmalloc (sizeof (*o)); | |
316 | o->name = name; | |
317 | o->info = info; | |
318 | return o; | |
319 | } | |
320 | ||
c849df63 | 321 | /* Add a variable named S of type T with options O defined at POS, |
322 | to `variables'. */ | |
323 | ||
324 | void | |
1a97be37 | 325 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
c849df63 | 326 | { |
327 | pair_p n; | |
328 | n = xmalloc (sizeof (*n)); | |
329 | n->name = s; | |
330 | n->type = t; | |
331 | n->line = *pos; | |
332 | n->opt = o; | |
333 | n->next = variables; | |
334 | variables = n; | |
335 | } | |
336 | ||
c849df63 | 337 | /* We really don't care how long a CONST_DOUBLE is. */ |
338 | #define CONST_DOUBLE_FORMAT "ww" | |
acfcaf8d | 339 | const char * const rtx_format[NUM_RTX_CODE] = { |
c849df63 | 340 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
341 | #include "rtl.def" | |
342 | #undef DEF_RTL_EXPR | |
343 | }; | |
344 | ||
acfcaf8d | 345 | static int rtx_next_new[NUM_RTX_CODE]; |
c849df63 | 346 | |
347 | /* Generate the contents of the rtx_next array. This really doesn't belong | |
348 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
349 | ||
350 | static void | |
1a97be37 | 351 | gen_rtx_next (void) |
c849df63 | 352 | { |
353 | int i; | |
354 | for (i = 0; i < NUM_RTX_CODE; i++) | |
355 | { | |
356 | int k; | |
1a97be37 | 357 | |
acfcaf8d | 358 | rtx_next_new[i] = -1; |
c849df63 | 359 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
acfcaf8d | 360 | rtx_next_new[i] = 2; |
c849df63 | 361 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
acfcaf8d | 362 | rtx_next_new[i] = 1; |
1a97be37 | 363 | else |
c849df63 | 364 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
365 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
acfcaf8d | 366 | rtx_next_new[i] = k; |
c849df63 | 367 | } |
368 | } | |
369 | ||
370 | /* Write out the contents of the rtx_next array. */ | |
371 | static void | |
1a97be37 | 372 | write_rtx_next (void) |
c849df63 | 373 | { |
374 | outf_p f = get_output_file_with_visibility (NULL); | |
375 | int i; | |
1a97be37 | 376 | |
c849df63 | 377 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
378 | oprintf (f, "const unsigned char rtx_next[NUM_RTX_CODE] = {\n"); | |
379 | for (i = 0; i < NUM_RTX_CODE; i++) | |
acfcaf8d | 380 | if (rtx_next_new[i] == -1) |
c849df63 | 381 | oprintf (f, " 0,\n"); |
382 | else | |
1a97be37 | 383 | oprintf (f, |
bf6b5685 | 384 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", |
acfcaf8d | 385 | rtx_next_new[i]); |
c849df63 | 386 | oprintf (f, "};\n"); |
387 | } | |
388 | ||
389 | /* Handle `special("rtx_def")'. This is a special case for field | |
390 | `fld' of struct rtx_def, which is an array of unions whose values | |
391 | are based in a complex way on the type of RTL. */ | |
392 | ||
393 | static type_p | |
1a97be37 | 394 | adjust_field_rtx_def (type_p t, options_p opt ATTRIBUTE_UNUSED) |
c849df63 | 395 | { |
396 | pair_p flds = NULL; | |
397 | options_p nodot; | |
398 | int i; | |
399 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
ca74b940 | 400 | type_p bitmap_tp, basic_block_tp, reg_attrs_tp; |
c849df63 | 401 | |
402 | static const char * const rtx_name[NUM_RTX_CODE] = { | |
403 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , | |
404 | #include "rtl.def" | |
405 | #undef DEF_RTL_EXPR | |
406 | }; | |
1a97be37 | 407 | |
bf6b5685 | 408 | if (t->kind != TYPE_UNION) |
c849df63 | 409 | { |
1a97be37 | 410 | error_at_line (&lexer_line, |
bf6b5685 | 411 | "special `rtx_def' must be applied to a union"); |
c849df63 | 412 | return &string_type; |
413 | } | |
1a97be37 | 414 | |
c849df63 | 415 | nodot = xmalloc (sizeof (*nodot)); |
416 | nodot->next = NULL; | |
417 | nodot->name = "dot"; | |
418 | nodot->info = ""; | |
419 | ||
420 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
421 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
422 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
423 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
ca74b940 | 424 | reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0)); |
c849df63 | 425 | bitmap_tp = create_pointer (find_structure ("bitmap_element_def", 0)); |
426 | basic_block_tp = create_pointer (find_structure ("basic_block_def", 0)); | |
427 | scalar_tp = create_scalar_type ("rtunion scalar", 14); | |
428 | ||
429 | { | |
430 | pair_p note_flds = NULL; | |
431 | int c; | |
acfcaf8d | 432 | |
433 | for (c = NOTE_INSN_BIAS; c <= NOTE_INSN_MAX; c++) | |
c849df63 | 434 | { |
435 | pair_p old_note_flds = note_flds; | |
1a97be37 | 436 | |
c849df63 | 437 | note_flds = xmalloc (sizeof (*note_flds)); |
438 | note_flds->line.file = __FILE__; | |
439 | note_flds->line.line = __LINE__; | |
c849df63 | 440 | note_flds->opt = xmalloc (sizeof (*note_flds->opt)); |
441 | note_flds->opt->next = nodot; | |
442 | note_flds->opt->name = "tag"; | |
acfcaf8d | 443 | note_flds->opt->info = xasprintf ("%d", c); |
c849df63 | 444 | note_flds->next = old_note_flds; |
acfcaf8d | 445 | |
446 | switch (c) | |
447 | { | |
448 | /* NOTE_INSN_MAX is used as the default field for line | |
449 | number notes. */ | |
450 | case NOTE_INSN_MAX: | |
451 | note_flds->opt->name = "default"; | |
452 | note_flds->name = "rtstr"; | |
453 | note_flds->type = &string_type; | |
454 | break; | |
455 | ||
456 | case NOTE_INSN_BLOCK_BEG: | |
457 | case NOTE_INSN_BLOCK_END: | |
458 | note_flds->name = "rttree"; | |
459 | note_flds->type = tree_tp; | |
460 | break; | |
1a97be37 | 461 | |
acfcaf8d | 462 | case NOTE_INSN_EXPECTED_VALUE: |
5923a5e7 | 463 | case NOTE_INSN_VAR_LOCATION: |
acfcaf8d | 464 | note_flds->name = "rtx"; |
465 | note_flds->type = rtx_tp; | |
466 | break; | |
467 | ||
468 | default: | |
469 | note_flds->name = "rtint"; | |
470 | note_flds->type = scalar_tp; | |
471 | break; | |
472 | } | |
c849df63 | 473 | } |
c849df63 | 474 | new_structure ("rtx_def_note_subunion", 1, &lexer_line, note_flds, NULL); |
475 | } | |
1a97be37 | 476 | |
c849df63 | 477 | note_union_tp = find_structure ("rtx_def_note_subunion", 1); |
478 | ||
479 | for (i = 0; i < NUM_RTX_CODE; i++) | |
480 | { | |
481 | pair_p old_flds = flds; | |
482 | pair_p subfields = NULL; | |
483 | size_t aindex, nmindex; | |
484 | const char *sname; | |
485 | char *ftag; | |
486 | ||
487 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
488 | { | |
489 | pair_p old_subf = subfields; | |
490 | type_p t; | |
491 | const char *subname; | |
492 | ||
493 | switch (rtx_format[i][aindex]) | |
494 | { | |
495 | case '*': | |
496 | case 'i': | |
497 | case 'n': | |
498 | case 'w': | |
499 | t = scalar_tp; | |
500 | subname = "rtint"; | |
501 | break; | |
502 | ||
503 | case '0': | |
504 | if (i == MEM && aindex == 1) | |
505 | t = mem_attrs_tp, subname = "rtmem"; | |
506 | else if (i == JUMP_INSN && aindex == 9) | |
507 | t = rtx_tp, subname = "rtx"; | |
508 | else if (i == CODE_LABEL && aindex == 4) | |
509 | t = scalar_tp, subname = "rtint"; | |
510 | else if (i == CODE_LABEL && aindex == 5) | |
511 | t = rtx_tp, subname = "rtx"; | |
512 | else if (i == LABEL_REF | |
513 | && (aindex == 1 || aindex == 2)) | |
514 | t = rtx_tp, subname = "rtx"; | |
515 | else if (i == NOTE && aindex == 4) | |
516 | t = note_union_tp, subname = ""; | |
517 | else if (i == NOTE && aindex >= 7) | |
518 | t = scalar_tp, subname = "rtint"; | |
519 | else if (i == ADDR_DIFF_VEC && aindex == 4) | |
520 | t = scalar_tp, subname = "rtint"; | |
521 | else if (i == VALUE && aindex == 0) | |
522 | t = scalar_tp, subname = "rtint"; | |
523 | else if (i == REG && aindex == 1) | |
524 | t = scalar_tp, subname = "rtint"; | |
ca74b940 | 525 | else if (i == REG && aindex == 2) |
526 | t = reg_attrs_tp, subname = "rtreg"; | |
c849df63 | 527 | else if (i == SCRATCH && aindex == 0) |
528 | t = scalar_tp, subname = "rtint"; | |
001be062 | 529 | else if (i == SYMBOL_REF && aindex == 1) |
530 | t = scalar_tp, subname = "rtint"; | |
531 | else if (i == SYMBOL_REF && aindex == 2) | |
532 | t = tree_tp, subname = "rttree"; | |
c849df63 | 533 | else if (i == BARRIER && aindex >= 3) |
534 | t = scalar_tp, subname = "rtint"; | |
535 | else | |
536 | { | |
1a97be37 | 537 | error_at_line (&lexer_line, |
e72117bc | 538 | "rtx type `%s' has `0' in position %lu, can't handle", |
539 | rtx_name[i], (unsigned long) aindex); | |
c849df63 | 540 | t = &string_type; |
541 | subname = "rtint"; | |
542 | } | |
543 | break; | |
1a97be37 | 544 | |
c849df63 | 545 | case 's': |
546 | case 'S': | |
547 | case 'T': | |
548 | t = &string_type; | |
549 | subname = "rtstr"; | |
550 | break; | |
551 | ||
552 | case 'e': | |
553 | case 'u': | |
554 | t = rtx_tp; | |
555 | subname = "rtx"; | |
556 | break; | |
557 | ||
558 | case 'E': | |
559 | case 'V': | |
560 | t = rtvec_tp; | |
561 | subname = "rtvec"; | |
562 | break; | |
563 | ||
564 | case 't': | |
565 | t = tree_tp; | |
566 | subname = "rttree"; | |
567 | break; | |
568 | ||
569 | case 'b': | |
570 | t = bitmap_tp; | |
571 | subname = "rtbit"; | |
572 | break; | |
573 | ||
574 | case 'B': | |
575 | t = basic_block_tp; | |
576 | subname = "bb"; | |
577 | break; | |
578 | ||
579 | default: | |
1a97be37 | 580 | error_at_line (&lexer_line, |
e72117bc | 581 | "rtx type `%s' has `%c' in position %lu, can't handle", |
c849df63 | 582 | rtx_name[i], rtx_format[i][aindex], |
e72117bc | 583 | (unsigned long)aindex); |
c849df63 | 584 | t = &string_type; |
585 | subname = "rtint"; | |
586 | break; | |
587 | } | |
588 | ||
589 | subfields = xmalloc (sizeof (*subfields)); | |
590 | subfields->next = old_subf; | |
591 | subfields->type = t; | |
bf6b5685 | 592 | subfields->name = xasprintf (".fld[%lu].%s", (unsigned long)aindex, |
e72117bc | 593 | subname); |
c849df63 | 594 | subfields->line.file = __FILE__; |
595 | subfields->line.line = __LINE__; | |
596 | if (t == note_union_tp) | |
597 | { | |
598 | subfields->opt = xmalloc (sizeof (*subfields->opt)); | |
599 | subfields->opt->next = nodot; | |
600 | subfields->opt->name = "desc"; | |
601 | subfields->opt->info = "NOTE_LINE_NUMBER (&%0)"; | |
602 | } | |
603 | else if (t == basic_block_tp) | |
604 | { | |
9cb8e99f | 605 | /* We don't presently GC basic block structures... */ |
c849df63 | 606 | subfields->opt = xmalloc (sizeof (*subfields->opt)); |
607 | subfields->opt->next = nodot; | |
608 | subfields->opt->name = "skip"; | |
609 | subfields->opt->info = NULL; | |
610 | } | |
c849df63 | 611 | else |
612 | subfields->opt = nodot; | |
613 | } | |
614 | ||
615 | flds = xmalloc (sizeof (*flds)); | |
616 | flds->next = old_flds; | |
617 | flds->name = ""; | |
618 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); | |
619 | new_structure (sname, 0, &lexer_line, subfields, NULL); | |
620 | flds->type = find_structure (sname, 0); | |
621 | flds->line.file = __FILE__; | |
622 | flds->line.line = __LINE__; | |
623 | flds->opt = xmalloc (sizeof (*flds->opt)); | |
624 | flds->opt->next = nodot; | |
625 | flds->opt->name = "tag"; | |
626 | ftag = xstrdup (rtx_name[i]); | |
627 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
628 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
629 | flds->opt->info = ftag; | |
630 | } | |
631 | ||
632 | new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); | |
633 | return find_structure ("rtx_def_subunion", 1); | |
634 | } | |
635 | ||
636 | /* Handle `special("tree_exp")'. This is a special case for | |
637 | field `operands' of struct tree_exp, which although it claims to contain | |
1a97be37 | 638 | pointers to trees, actually sometimes contains pointers to RTL too. |
c849df63 | 639 | Passed T, the old type of the field, and OPT its options. Returns |
640 | a new type for the field. */ | |
641 | ||
642 | static type_p | |
1a97be37 | 643 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
c849df63 | 644 | { |
645 | pair_p flds; | |
646 | options_p nodot; | |
1a97be37 | 647 | |
c849df63 | 648 | if (t->kind != TYPE_ARRAY) |
649 | { | |
1a97be37 | 650 | error_at_line (&lexer_line, |
c849df63 | 651 | "special `tree_exp' must be applied to an array"); |
652 | return &string_type; | |
653 | } | |
1a97be37 | 654 | |
c849df63 | 655 | nodot = xmalloc (sizeof (*nodot)); |
656 | nodot->next = NULL; | |
657 | nodot->name = "dot"; | |
658 | nodot->info = ""; | |
659 | ||
660 | flds = xmalloc (sizeof (*flds)); | |
661 | flds->next = NULL; | |
662 | flds->name = ""; | |
663 | flds->type = t; | |
664 | flds->line.file = __FILE__; | |
665 | flds->line.line = __LINE__; | |
666 | flds->opt = xmalloc (sizeof (*flds->opt)); | |
667 | flds->opt->next = nodot; | |
668 | flds->opt->name = "length"; | |
669 | flds->opt->info = "TREE_CODE_LENGTH (TREE_CODE ((tree) &%0))"; | |
670 | { | |
671 | options_p oldopt = flds->opt; | |
672 | flds->opt = xmalloc (sizeof (*flds->opt)); | |
673 | flds->opt->next = oldopt; | |
674 | flds->opt->name = "default"; | |
675 | flds->opt->info = ""; | |
676 | } | |
1a97be37 | 677 | |
c849df63 | 678 | new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
679 | return find_structure ("tree_exp_subunion", 1); | |
680 | } | |
681 | ||
155e048d | 682 | /* Perform any special processing on a type T, about to become the type |
683 | of a field. Return the appropriate type for the field. | |
684 | At present: | |
685 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
686 | - Similarly for arrays of pointer-to-char; | |
687 | - Converts structures for which a parameter is provided to | |
c849df63 | 688 | TYPE_PARAM_STRUCT; |
689 | - Handles "special" options. | |
1a97be37 | 690 | */ |
155e048d | 691 | |
1f3233d1 | 692 | type_p |
1a97be37 | 693 | adjust_field_type (type_p t, options_p opt) |
1f3233d1 | 694 | { |
695 | int length_p = 0; | |
696 | const int pointer_p = t->kind == TYPE_POINTER; | |
c849df63 | 697 | type_p params[NUM_PARAM]; |
698 | int params_p = 0; | |
699 | int i; | |
700 | ||
701 | for (i = 0; i < NUM_PARAM; i++) | |
702 | params[i] = NULL; | |
1a97be37 | 703 | |
1f3233d1 | 704 | for (; opt; opt = opt->next) |
705 | if (strcmp (opt->name, "length") == 0) | |
706 | length_p = 1; | |
c849df63 | 707 | else if (strcmp (opt->name, "param_is") == 0 |
708 | || (strncmp (opt->name, "param", 5) == 0 | |
709 | && ISDIGIT (opt->name[5]) | |
710 | && strcmp (opt->name + 6, "_is") == 0)) | |
1f3233d1 | 711 | { |
c849df63 | 712 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
1f3233d1 | 713 | |
c849df63 | 714 | if (! UNION_OR_STRUCT_P (t) |
715 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) | |
716 | { | |
1a97be37 | 717 | error_at_line (&lexer_line, |
c849df63 | 718 | "option `%s' may only be applied to structures or structure pointers", |
719 | opt->name); | |
720 | return t; | |
721 | } | |
722 | ||
723 | params_p = 1; | |
724 | if (params[num] != NULL) | |
725 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
726 | if (! ISDIGIT (opt->name[5])) | |
727 | params[num] = create_pointer ((type_p) opt->info); | |
728 | else | |
729 | params[num] = (type_p) opt->info; | |
1f3233d1 | 730 | } |
c849df63 | 731 | else if (strcmp (opt->name, "special") == 0) |
732 | { | |
733 | const char *special_name = (const char *)opt->info; | |
734 | if (strcmp (special_name, "tree_exp") == 0) | |
735 | t = adjust_field_tree_exp (t, opt); | |
736 | else if (strcmp (special_name, "rtx_def") == 0) | |
737 | t = adjust_field_rtx_def (t, opt); | |
738 | else | |
739 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
740 | } | |
741 | ||
742 | if (params_p) | |
743 | { | |
744 | type_p realt; | |
1a97be37 | 745 | |
c849df63 | 746 | if (pointer_p) |
747 | t = t->u.p; | |
748 | realt = find_param_structure (t, params); | |
749 | t = pointer_p ? create_pointer (realt) : realt; | |
750 | } | |
751 | ||
1f3233d1 | 752 | if (! length_p |
753 | && pointer_p | |
754 | && t->u.p->kind == TYPE_SCALAR | |
755 | && (strcmp (t->u.p->u.sc, "char") == 0 | |
756 | || strcmp (t->u.p->u.sc, "unsigned char") == 0)) | |
757 | return &string_type; | |
758 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
759 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
760 | && (strcmp (t->u.a.p->u.p->u.sc, "char") == 0 | |
761 | || strcmp (t->u.a.p->u.p->u.sc, "unsigned char") == 0)) | |
762 | return create_array (&string_type, t->u.a.len); | |
763 | ||
764 | return t; | |
765 | } | |
766 | ||
155e048d | 767 | /* Create a union for YYSTYPE, as yacc would do it, given a fieldlist FIELDS |
98667efb | 768 | and information about the correspondence between token types and fields |
155e048d | 769 | in TYPEINFO. POS is used for error messages. */ |
770 | ||
1f3233d1 | 771 | void |
1a97be37 | 772 | note_yacc_type (options_p o, pair_p fields, pair_p typeinfo, |
773 | struct fileloc *pos) | |
1f3233d1 | 774 | { |
775 | pair_p p; | |
776 | pair_p *p_p; | |
1a97be37 | 777 | |
1f3233d1 | 778 | for (p = typeinfo; p; p = p->next) |
779 | { | |
780 | pair_p m; | |
1a97be37 | 781 | |
1f3233d1 | 782 | if (p->name == NULL) |
783 | continue; | |
784 | ||
785 | if (p->type == (type_p) 1) | |
786 | { | |
787 | pair_p pp; | |
788 | int ok = 0; | |
1a97be37 | 789 | |
1f3233d1 | 790 | for (pp = typeinfo; pp; pp = pp->next) |
791 | if (pp->type != (type_p) 1 | |
792 | && strcmp (pp->opt->info, p->opt->info) == 0) | |
793 | { | |
794 | ok = 1; | |
795 | break; | |
796 | } | |
797 | if (! ok) | |
798 | continue; | |
799 | } | |
800 | ||
801 | for (m = fields; m; m = m->next) | |
802 | if (strcmp (m->name, p->name) == 0) | |
803 | p->type = m->type; | |
804 | if (p->type == NULL) | |
805 | { | |
1a97be37 | 806 | error_at_line (&p->line, |
1f3233d1 | 807 | "couldn't match fieldname `%s'", p->name); |
808 | p->name = NULL; | |
809 | } | |
810 | } | |
1a97be37 | 811 | |
1f3233d1 | 812 | p_p = &typeinfo; |
813 | while (*p_p) | |
814 | { | |
815 | pair_p p = *p_p; | |
816 | ||
817 | if (p->name == NULL | |
818 | || p->type == (type_p) 1) | |
819 | *p_p = p->next; | |
820 | else | |
821 | p_p = &p->next; | |
822 | } | |
823 | ||
824 | new_structure ("yy_union", 1, pos, typeinfo, o); | |
825 | do_typedef ("YYSTYPE", find_structure ("yy_union", 1), pos); | |
826 | } | |
827 | \f | |
1a97be37 | 828 | static void process_gc_options (options_p, enum gc_used_enum, |
c39ed964 | 829 | int *, int *, int *, type_p *); |
1a97be37 | 830 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
831 | static void set_gc_used (pair_p); | |
1f3233d1 | 832 | |
155e048d | 833 | /* Handle OPT for set_gc_used_type. */ |
834 | ||
1f3233d1 | 835 | static void |
1a97be37 | 836 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
c39ed964 | 837 | int *pass_param, int *length, type_p *nested_ptr) |
1f3233d1 | 838 | { |
839 | options_p o; | |
840 | for (o = opt; o; o = o->next) | |
841 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
c849df63 | 842 | set_gc_used_type ((type_p) o->info, GC_POINTED_TO, NULL); |
1f3233d1 | 843 | else if (strcmp (o->name, "maybe_undef") == 0) |
844 | *maybe_undef = 1; | |
c849df63 | 845 | else if (strcmp (o->name, "use_params") == 0) |
846 | *pass_param = 1; | |
847 | else if (strcmp (o->name, "length") == 0) | |
848 | *length = 1; | |
c39ed964 | 849 | else if (strcmp (o->name, "nested_ptr") == 0) |
850 | *nested_ptr = ((const struct nested_ptr_data *) o->info)->type; | |
1f3233d1 | 851 | } |
852 | ||
155e048d | 853 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
854 | ||
1f3233d1 | 855 | static void |
1a97be37 | 856 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
1f3233d1 | 857 | { |
858 | if (t->gc_used >= level) | |
859 | return; | |
1a97be37 | 860 | |
1f3233d1 | 861 | t->gc_used = level; |
862 | ||
863 | switch (t->kind) | |
864 | { | |
865 | case TYPE_STRUCT: | |
866 | case TYPE_UNION: | |
867 | { | |
868 | pair_p f; | |
869 | int dummy; | |
c39ed964 | 870 | type_p dummy2; |
1f3233d1 | 871 | |
c39ed964 | 872 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, |
873 | &dummy2); | |
1f3233d1 | 874 | |
875 | for (f = t->u.s.fields; f; f = f->next) | |
876 | { | |
877 | int maybe_undef = 0; | |
c849df63 | 878 | int pass_param = 0; |
879 | int length = 0; | |
c39ed964 | 880 | type_p nested_ptr = NULL; |
c849df63 | 881 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
c39ed964 | 882 | &length, &nested_ptr); |
1a97be37 | 883 | |
c39ed964 | 884 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
885 | set_gc_used_type (nested_ptr, GC_POINTED_TO, | |
886 | pass_param ? param : NULL); | |
887 | else if (length && f->type->kind == TYPE_POINTER) | |
c849df63 | 888 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
889 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
890 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
891 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
892 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
893 | GC_POINTED_TO, NULL); | |
1f3233d1 | 894 | else |
c849df63 | 895 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
1f3233d1 | 896 | } |
897 | break; | |
898 | } | |
899 | ||
900 | case TYPE_POINTER: | |
c849df63 | 901 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
1f3233d1 | 902 | break; |
903 | ||
904 | case TYPE_ARRAY: | |
c849df63 | 905 | set_gc_used_type (t->u.a.p, GC_USED, param); |
1f3233d1 | 906 | break; |
1a97be37 | 907 | |
1f3233d1 | 908 | case TYPE_LANG_STRUCT: |
909 | for (t = t->u.s.lang_struct; t; t = t->next) | |
c849df63 | 910 | set_gc_used_type (t, level, param); |
1f3233d1 | 911 | break; |
912 | ||
913 | case TYPE_PARAM_STRUCT: | |
c849df63 | 914 | { |
915 | int i; | |
916 | for (i = 0; i < NUM_PARAM; i++) | |
917 | if (t->u.param_struct.param[i] != 0) | |
918 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
919 | } | |
920 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
921 | level = GC_POINTED_TO; | |
922 | else | |
923 | level = GC_USED; | |
924 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
1a97be37 | 925 | set_gc_used_type (t->u.param_struct.stru, level, |
c849df63 | 926 | t->u.param_struct.param); |
1f3233d1 | 927 | break; |
928 | ||
929 | default: | |
930 | break; | |
931 | } | |
932 | } | |
933 | ||
c849df63 | 934 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
155e048d | 935 | |
1f3233d1 | 936 | static void |
1a97be37 | 937 | set_gc_used (pair_p variables) |
1f3233d1 | 938 | { |
939 | pair_p p; | |
940 | for (p = variables; p; p = p->next) | |
c849df63 | 941 | set_gc_used_type (p->type, GC_USED, NULL); |
1f3233d1 | 942 | } |
943 | \f | |
944 | /* File mapping routines. For each input file, there is one output .c file | |
945 | (but some output files have many input files), and there is one .h file | |
946 | for the whole build. */ | |
947 | ||
155e048d | 948 | /* The list of output files. */ |
92570e7a | 949 | static outf_p output_files; |
155e048d | 950 | |
951 | /* The output header file that is included into pretty much every | |
952 | source file. */ | |
00775b04 | 953 | static outf_p header_file; |
1f3233d1 | 954 | |
776c30b8 | 955 | /* Number of files specified in gtfiles. */ |
956 | #define NUM_GT_FILES (ARRAY_SIZE (all_files) - 1) | |
4d26f199 | 957 | |
776c30b8 | 958 | /* Number of files in the language files array. */ |
959 | #define NUM_LANG_FILES (ARRAY_SIZE (lang_files) - 1) | |
960 | ||
961 | /* Length of srcdir name. */ | |
962 | static int srcdir_len = 0; | |
963 | ||
964 | #define NUM_BASE_FILES (ARRAY_SIZE (lang_dir_names) - 1) | |
92570e7a | 965 | outf_p base_files[NUM_BASE_FILES]; |
1f3233d1 | 966 | |
1a97be37 | 967 | static outf_p create_file (const char *, const char *); |
968 | static const char * get_file_basename (const char *); | |
1f3233d1 | 969 | |
92570e7a | 970 | /* Create and return an outf_p for a new file for NAME, to be called |
971 | ONAME. */ | |
155e048d | 972 | |
92570e7a | 973 | static outf_p |
1a97be37 | 974 | create_file (const char *name, const char *oname) |
1f3233d1 | 975 | { |
976 | static const char *const hdr[] = { | |
c39ed964 | 977 | " Copyright (C) 2004 Free Software Foundation, Inc.\n", |
1f3233d1 | 978 | "\n", |
979 | "This file is part of GCC.\n", | |
980 | "\n", | |
981 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
982 | "the terms of the GNU General Public License as published by the Free\n", | |
983 | "Software Foundation; either version 2, or (at your option) any later\n", | |
984 | "version.\n", | |
985 | "\n", | |
986 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
987 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
988 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
989 | "for more details.\n", | |
990 | "\n", | |
991 | "You should have received a copy of the GNU General Public License\n", | |
992 | "along with GCC; see the file COPYING. If not, write to the Free\n", | |
993 | "Software Foundation, 59 Temple Place - Suite 330, Boston, MA\n", | |
994 | "02111-1307, USA. */\n", | |
995 | "\n", | |
996 | "/* This file is machine generated. Do not edit. */\n" | |
997 | }; | |
92570e7a | 998 | outf_p f; |
1f3233d1 | 999 | size_t i; |
1a97be37 | 1000 | |
92570e7a | 1001 | f = xcalloc (sizeof (*f), 1); |
1002 | f->next = output_files; | |
1003 | f->name = oname; | |
1004 | output_files = f; | |
1005 | ||
1006 | oprintf (f, "/* Type information for %s.\n", name); | |
0480d780 | 1007 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
92570e7a | 1008 | oprintf (f, "%s", hdr[i]); |
1f3233d1 | 1009 | return f; |
1010 | } | |
1011 | ||
92570e7a | 1012 | /* Print, like fprintf, to O. */ |
1a97be37 | 1013 | void |
ee582a61 | 1014 | oprintf (outf_p o, const char *format, ...) |
92570e7a | 1015 | { |
1016 | char *s; | |
1017 | size_t slength; | |
ee582a61 | 1018 | va_list ap; |
1a97be37 | 1019 | |
ee582a61 | 1020 | va_start (ap, format); |
92570e7a | 1021 | slength = xvasprintf (&s, format, ap); |
92570e7a | 1022 | |
1023 | if (o->bufused + slength > o->buflength) | |
1024 | { | |
1025 | size_t new_len = o->buflength; | |
1026 | if (new_len == 0) | |
1027 | new_len = 1024; | |
1028 | do { | |
1029 | new_len *= 2; | |
1030 | } while (o->bufused + slength >= new_len); | |
1031 | o->buf = xrealloc (o->buf, new_len); | |
1032 | o->buflength = new_len; | |
1033 | } | |
1034 | memcpy (o->buf + o->bufused, s, slength); | |
1035 | o->bufused += slength; | |
1036 | free (s); | |
ee582a61 | 1037 | va_end (ap); |
92570e7a | 1038 | } |
1039 | ||
155e048d | 1040 | /* Open the global header file and the language-specific header files. */ |
1041 | ||
1f3233d1 | 1042 | static void |
1a97be37 | 1043 | open_base_files (void) |
1f3233d1 | 1044 | { |
1045 | size_t i; | |
1a97be37 | 1046 | |
92570e7a | 1047 | header_file = create_file ("GCC", "gtype-desc.h"); |
1f3233d1 | 1048 | |
1049 | for (i = 0; i < NUM_BASE_FILES; i++) | |
1a97be37 | 1050 | base_files[i] = create_file (lang_dir_names[i], |
776c30b8 | 1051 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
92570e7a | 1052 | |
1053 | /* gtype-desc.c is a little special, so we create it here. */ | |
1054 | { | |
1055 | /* The order of files here matters very much. */ | |
1056 | static const char *const ifiles [] = { | |
4ee9c684 | 1057 | "config.h", "system.h", "coretypes.h", "tm.h", "varray.h", |
512e0fec | 1058 | "hashtab.h", "splay-tree.h", "bitmap.h", "input.h", "tree.h", "rtl.h", |
805e22b2 | 1059 | "function.h", "insn-config.h", "expr.h", "hard-reg-set.h", |
5ff51111 | 1060 | "basic-block.h", "cselib.h", "insn-addr.h", "optabs.h", |
5d31fea4 | 1061 | "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", |
2bc9fc53 | 1062 | "tree-alias-type.h", "tree-flow.h", "reload.h", |
c39ed964 | 1063 | "cpp-id-data.h", |
1364018f | 1064 | "tree-chrec.h", |
92570e7a | 1065 | NULL |
1066 | }; | |
1067 | const char *const *ifp; | |
1068 | outf_p gtype_desc_c; | |
1a97be37 | 1069 | |
92570e7a | 1070 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1071 | for (ifp = ifiles; *ifp; ifp++) | |
1072 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
1073 | } | |
1f3233d1 | 1074 | } |
1075 | ||
155e048d | 1076 | /* Determine the pathname to F relative to $(srcdir). */ |
1077 | ||
1f3233d1 | 1078 | static const char * |
1a97be37 | 1079 | get_file_basename (const char *f) |
1f3233d1 | 1080 | { |
1f3233d1 | 1081 | const char *basename; |
776c30b8 | 1082 | unsigned i; |
1a97be37 | 1083 | |
1f3233d1 | 1084 | basename = strrchr (f, '/'); |
1a97be37 | 1085 | |
776c30b8 | 1086 | if (!basename) |
1087 | return f; | |
1a97be37 | 1088 | |
776c30b8 | 1089 | basename++; |
1a97be37 | 1090 | |
776c30b8 | 1091 | for (i = 1; i < NUM_BASE_FILES; i++) |
1092 | { | |
1093 | const char * s1; | |
1094 | const char * s2; | |
1095 | int l1; | |
1096 | int l2; | |
1097 | s1 = basename - strlen (lang_dir_names [i]) - 1; | |
1098 | s2 = lang_dir_names [i]; | |
1099 | l1 = strlen (s1); | |
1100 | l2 = strlen (s2); | |
1101 | if (l1 >= l2 && !memcmp (s1, s2, l2)) | |
1102 | { | |
1103 | basename -= l2 + 1; | |
1104 | if ((basename - f - 1) != srcdir_len) | |
1105 | abort (); /* Match is wrong - should be preceded by $srcdir. */ | |
1106 | break; | |
1107 | } | |
1108 | } | |
1a97be37 | 1109 | |
1f3233d1 | 1110 | return basename; |
1111 | } | |
1112 | ||
155e048d | 1113 | /* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff |
1a97be37 | 1114 | INPUT_FILE is used by <lang>. |
155e048d | 1115 | |
1116 | This function should be written to assume that a file _is_ used | |
1117 | if the situation is unclear. If it wrongly assumes a file _is_ used, | |
1118 | a linker error will result. If it wrongly assumes a file _is not_ used, | |
1119 | some GC roots may be missed, which is a much harder-to-debug problem. */ | |
1120 | ||
1f3233d1 | 1121 | unsigned |
1a97be37 | 1122 | get_base_file_bitmap (const char *input_file) |
1f3233d1 | 1123 | { |
1124 | const char *basename = get_file_basename (input_file); | |
1125 | const char *slashpos = strchr (basename, '/'); | |
776c30b8 | 1126 | unsigned j; |
1127 | unsigned k; | |
1128 | unsigned bitmap; | |
1a97be37 | 1129 | |
776c30b8 | 1130 | if (slashpos) |
1f3233d1 | 1131 | { |
1132 | size_t i; | |
776c30b8 | 1133 | for (i = 1; i < NUM_BASE_FILES; i++) |
1134 | if ((size_t)(slashpos - basename) == strlen (lang_dir_names [i]) | |
1135 | && memcmp (basename, lang_dir_names[i], strlen (lang_dir_names[i])) == 0) | |
1136 | { | |
1137 | /* It's in a language directory, set that language. */ | |
1138 | bitmap = 1 << i; | |
1139 | return bitmap; | |
1140 | } | |
1141 | ||
1142 | abort (); /* Should have found the language. */ | |
1f3233d1 | 1143 | } |
776c30b8 | 1144 | |
1145 | /* If it's in any config-lang.in, then set for the languages | |
1146 | specified. */ | |
1147 | ||
1148 | bitmap = 0; | |
1149 | ||
1150 | for (j = 0; j < NUM_LANG_FILES; j++) | |
1151 | { | |
1152 | if (!strcmp(input_file, lang_files[j])) | |
1153 | { | |
1154 | for (k = 0; k < NUM_BASE_FILES; k++) | |
1155 | { | |
1156 | if (!strcmp(lang_dir_names[k], langs_for_lang_files[j])) | |
1157 | bitmap |= (1 << k); | |
1158 | } | |
1159 | } | |
1160 | } | |
1a97be37 | 1161 | |
776c30b8 | 1162 | /* Otherwise, set all languages. */ |
1163 | if (!bitmap) | |
1164 | bitmap = (1 << NUM_BASE_FILES) - 1; | |
1165 | ||
1166 | return bitmap; | |
1f3233d1 | 1167 | } |
1168 | ||
155e048d | 1169 | /* An output file, suitable for definitions, that can see declarations |
1170 | made in INPUT_FILE and is linked into every language that uses | |
1171 | INPUT_FILE. */ | |
1172 | ||
92570e7a | 1173 | outf_p |
1a97be37 | 1174 | get_output_file_with_visibility (const char *input_file) |
1f3233d1 | 1175 | { |
92570e7a | 1176 | outf_p r; |
1f3233d1 | 1177 | size_t len; |
1178 | const char *basename; | |
92570e7a | 1179 | const char *for_name; |
1180 | const char *output_name; | |
1f3233d1 | 1181 | |
92570e7a | 1182 | /* This can happen when we need a file with visibility on a |
1183 | structure that we've never seen. We have to just hope that it's | |
1184 | globally visible. */ | |
1185 | if (input_file == NULL) | |
1186 | input_file = "system.h"; | |
1f3233d1 | 1187 | |
1f3233d1 | 1188 | /* Determine the output file name. */ |
1189 | basename = get_file_basename (input_file); | |
1190 | ||
1191 | len = strlen (basename); | |
1192 | if ((len > 2 && memcmp (basename+len-2, ".c", 2) == 0) | |
1193 | || (len > 2 && memcmp (basename+len-2, ".y", 2) == 0) | |
1194 | || (len > 3 && memcmp (basename+len-3, ".in", 3) == 0)) | |
1195 | { | |
1196 | char *s; | |
1a97be37 | 1197 | |
92570e7a | 1198 | output_name = s = xasprintf ("gt-%s", basename); |
1f3233d1 | 1199 | for (; *s != '.'; s++) |
74863452 | 1200 | if (! ISALNUM (*s) && *s != '-') |
1f3233d1 | 1201 | *s = '-'; |
1202 | memcpy (s, ".h", sizeof (".h")); | |
92570e7a | 1203 | for_name = basename; |
1f3233d1 | 1204 | } |
1205 | else if (strcmp (basename, "c-common.h") == 0) | |
92570e7a | 1206 | output_name = "gt-c-common.h", for_name = "c-common.c"; |
1f3233d1 | 1207 | else if (strcmp (basename, "c-tree.h") == 0) |
92570e7a | 1208 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; |
1a97be37 | 1209 | else |
1f3233d1 | 1210 | { |
1211 | size_t i; | |
1a97be37 | 1212 | |
1f3233d1 | 1213 | for (i = 0; i < NUM_BASE_FILES; i++) |
776c30b8 | 1214 | if (memcmp (basename, lang_dir_names[i], strlen (lang_dir_names[i])) == 0 |
1215 | && basename[strlen(lang_dir_names[i])] == '/') | |
92570e7a | 1216 | return base_files[i]; |
1217 | ||
1218 | output_name = "gtype-desc.c"; | |
1219 | for_name = NULL; | |
1f3233d1 | 1220 | } |
1221 | ||
1222 | /* Look through to see if we've ever seen this output filename before. */ | |
92570e7a | 1223 | for (r = output_files; r; r = r->next) |
1224 | if (strcmp (r->name, output_name) == 0) | |
1225 | return r; | |
1f3233d1 | 1226 | |
1227 | /* If not, create it. */ | |
92570e7a | 1228 | r = create_file (for_name, output_name); |
1f3233d1 | 1229 | |
92570e7a | 1230 | return r; |
1f3233d1 | 1231 | } |
1232 | ||
155e048d | 1233 | /* The name of an output file, suitable for definitions, that can see |
1234 | declarations made in INPUT_FILE and is linked into every language | |
1235 | that uses INPUT_FILE. */ | |
1236 | ||
1f3233d1 | 1237 | const char * |
1a97be37 | 1238 | get_output_file_name (const char *input_file) |
1f3233d1 | 1239 | { |
92570e7a | 1240 | return get_output_file_with_visibility (input_file)->name; |
1f3233d1 | 1241 | } |
1242 | ||
92570e7a | 1243 | /* Copy the output to its final destination, |
155e048d | 1244 | but don't unnecessarily change modification times. */ |
1245 | ||
1f3233d1 | 1246 | static void |
1a97be37 | 1247 | close_output_files (void) |
1f3233d1 | 1248 | { |
92570e7a | 1249 | outf_p of; |
1a97be37 | 1250 | |
92570e7a | 1251 | for (of = output_files; of; of = of->next) |
1f3233d1 | 1252 | { |
92570e7a | 1253 | FILE * newfile; |
1254 | ||
1255 | newfile = fopen (of->name, "r"); | |
1256 | if (newfile != NULL ) | |
1f3233d1 | 1257 | { |
92570e7a | 1258 | int no_write_p; |
1259 | size_t i; | |
1f3233d1 | 1260 | |
92570e7a | 1261 | for (i = 0; i < of->bufused; i++) |
1262 | { | |
1263 | int ch; | |
1264 | ch = fgetc (newfile); | |
1265 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
1266 | break; | |
1267 | } | |
1268 | no_write_p = i == of->bufused && fgetc (newfile) == EOF; | |
1f3233d1 | 1269 | fclose (newfile); |
92570e7a | 1270 | |
1271 | if (no_write_p) | |
1272 | continue; | |
1f3233d1 | 1273 | } |
1274 | ||
92570e7a | 1275 | newfile = fopen (of->name, "w"); |
1f3233d1 | 1276 | if (newfile == NULL) |
1277 | { | |
1278 | perror ("opening output file"); | |
1279 | exit (1); | |
1280 | } | |
92570e7a | 1281 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) |
1282 | { | |
1283 | perror ("writing output file"); | |
1284 | exit (1); | |
1285 | } | |
1286 | if (fclose (newfile) != 0) | |
1287 | { | |
1288 | perror ("closing output file"); | |
1289 | exit (1); | |
1290 | } | |
1f3233d1 | 1291 | } |
1292 | } | |
1293 | \f | |
1294 | struct flist { | |
1295 | struct flist *next; | |
1296 | int started_p; | |
1297 | const char *name; | |
92570e7a | 1298 | outf_p f; |
1f3233d1 | 1299 | }; |
1300 | ||
573aba85 | 1301 | struct walk_type_data; |
1302 | ||
1303 | /* For scalars and strings, given the item in 'val'. | |
1304 | For structures, given a pointer to the item in 'val'. | |
1305 | For misc. pointers, given the item in 'val'. | |
1306 | */ | |
1a97be37 | 1307 | typedef void (*process_field_fn) |
1308 | (type_p f, const struct walk_type_data *p); | |
573aba85 | 1309 | typedef void (*func_name_fn) |
1a97be37 | 1310 | (type_p s, const struct walk_type_data *p); |
573aba85 | 1311 | |
1312 | /* Parameters for write_types. */ | |
1313 | ||
1a97be37 | 1314 | struct write_types_data |
573aba85 | 1315 | { |
1316 | const char *prefix; | |
1317 | const char *param_prefix; | |
1318 | const char *subfield_marker_routine; | |
1319 | const char *marker_routine; | |
1320 | const char *reorder_note_routine; | |
1321 | const char *comment; | |
1322 | }; | |
1323 | ||
1a97be37 | 1324 | static void output_escaped_param (struct walk_type_data *d, |
1325 | const char *, const char *); | |
1326 | static void output_mangled_typename (outf_p, type_p); | |
1327 | static void walk_type (type_p t, struct walk_type_data *d); | |
573aba85 | 1328 | static void write_func_for_structure |
1a97be37 | 1329 | (type_p orig_s, type_p s, type_p * param, |
1330 | const struct write_types_data *wtd); | |
1331 | static void write_types_process_field | |
1332 | (type_p f, const struct walk_type_data *d); | |
1333 | static void write_types (type_p structures, | |
1334 | type_p param_structs, | |
1335 | const struct write_types_data *wtd); | |
573aba85 | 1336 | static void write_types_local_process_field |
1a97be37 | 1337 | (type_p f, const struct walk_type_data *d); |
573aba85 | 1338 | static void write_local_func_for_structure |
1a97be37 | 1339 | (type_p orig_s, type_p s, type_p * param); |
1340 | static void write_local (type_p structures, | |
1341 | type_p param_structs); | |
1342 | static void write_enum_defn (type_p structures, type_p param_structs); | |
1343 | static int contains_scalar_p (type_p t); | |
1344 | static void put_mangled_filename (outf_p , const char *); | |
1345 | static void finish_root_table (struct flist *flp, const char *pfx, | |
1346 | const char *tname, const char *lastname, | |
1347 | const char *name); | |
1348 | static void write_root (outf_p , pair_p, type_p, const char *, int, | |
1349 | struct fileloc *, const char *); | |
1350 | static void write_array (outf_p f, pair_p v, | |
1351 | const struct write_types_data *wtd); | |
1352 | static void write_roots (pair_p); | |
1f3233d1 | 1353 | |
573aba85 | 1354 | /* Parameters for walk_type. */ |
1f3233d1 | 1355 | |
573aba85 | 1356 | struct walk_type_data |
1f3233d1 | 1357 | { |
573aba85 | 1358 | process_field_fn process_field; |
1359 | const void *cookie; | |
1360 | outf_p of; | |
1361 | options_p opt; | |
1362 | const char *val; | |
1363 | const char *prev_val[4]; | |
1364 | int indent; | |
1365 | int counter; | |
1366 | struct fileloc *line; | |
1367 | lang_bitmap bitmap; | |
1368 | type_p *param; | |
1369 | int used_length; | |
1370 | type_p orig_s; | |
1371 | const char *reorder_fn; | |
c39ed964 | 1372 | bool needs_cast_p; |
1373 | bool fn_wants_lvalue; | |
573aba85 | 1374 | }; |
c849df63 | 1375 | |
1376 | /* Print a mangled name representing T to OF. */ | |
1377 | ||
1378 | static void | |
1a97be37 | 1379 | output_mangled_typename (outf_p of, type_p t) |
c849df63 | 1380 | { |
1381 | if (t == NULL) | |
1382 | oprintf (of, "Z"); | |
1383 | else switch (t->kind) | |
1384 | { | |
1385 | case TYPE_POINTER: | |
1386 | oprintf (of, "P"); | |
1387 | output_mangled_typename (of, t->u.p); | |
1388 | break; | |
1389 | case TYPE_SCALAR: | |
1390 | oprintf (of, "I"); | |
1391 | break; | |
1392 | case TYPE_STRING: | |
1393 | oprintf (of, "S"); | |
1394 | break; | |
1395 | case TYPE_STRUCT: | |
1396 | case TYPE_UNION: | |
1397 | case TYPE_LANG_STRUCT: | |
e72117bc | 1398 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), t->u.s.tag); |
c849df63 | 1399 | break; |
1400 | case TYPE_PARAM_STRUCT: | |
1401 | { | |
1402 | int i; | |
1403 | for (i = 0; i < NUM_PARAM; i++) | |
1404 | if (t->u.param_struct.param[i] != NULL) | |
1405 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
1a97be37 | 1406 | output_mangled_typename (of, t->u.param_struct.stru); |
c849df63 | 1407 | } |
1408 | break; | |
1409 | case TYPE_ARRAY: | |
1410 | abort (); | |
1411 | } | |
1f3233d1 | 1412 | } |
1413 | ||
573aba85 | 1414 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
1415 | current object, D->PREV_VAL the object containing the current | |
1416 | object, ONAME is the name of the option and D->LINE is used to | |
1417 | print error messages. */ | |
155e048d | 1418 | |
1f3233d1 | 1419 | static void |
1a97be37 | 1420 | output_escaped_param (struct walk_type_data *d, const char *param, |
1421 | const char *oname) | |
1f3233d1 | 1422 | { |
573aba85 | 1423 | const char *p; |
1a97be37 | 1424 | |
573aba85 | 1425 | for (p = param; *p; p++) |
1426 | if (*p != '%') | |
1427 | oprintf (d->of, "%c", *p); | |
1428 | else switch (*++p) | |
1429 | { | |
1430 | case 'h': | |
1431 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
1432 | break; | |
1433 | case '0': | |
1434 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
1435 | break; | |
1436 | case '1': | |
1437 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
1438 | break; | |
1439 | case 'a': | |
1f3233d1 | 1440 | { |
573aba85 | 1441 | const char *pp = d->val + strlen (d->val); |
1442 | while (pp[-1] == ']') | |
1443 | while (*pp != '[') | |
1444 | pp--; | |
1445 | oprintf (d->of, "%s", pp); | |
1f3233d1 | 1446 | } |
573aba85 | 1447 | break; |
1448 | default: | |
1449 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
1450 | oname, '%', *p); | |
1451 | } | |
1452 | } | |
1f3233d1 | 1453 | |
573aba85 | 1454 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
1455 | which is of type T. Write code to D->OF to constrain execution (at | |
1456 | the point that D->PROCESS_FIELD is called) to the appropriate | |
b14c9131 | 1457 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
1458 | pointers to those objects. D->PREV_VAL lists the objects | |
1459 | containing the current object, D->OPT is a list of options to | |
1460 | apply, D->INDENT is the current indentation level, D->LINE is used | |
1461 | to print error messages, D->BITMAP indicates which languages to | |
1462 | print the structure for, and D->PARAM is the current parameter | |
1463 | (from an enclosing param_is option). */ | |
1f3233d1 | 1464 | |
573aba85 | 1465 | static void |
1a97be37 | 1466 | walk_type (type_p t, struct walk_type_data *d) |
573aba85 | 1467 | { |
1468 | const char *length = NULL; | |
1469 | const char *desc = NULL; | |
1470 | int maybe_undef_p = 0; | |
1471 | int use_param_num = -1; | |
1472 | int use_params_p = 0; | |
573aba85 | 1473 | options_p oo; |
8ed01400 | 1474 | const struct nested_ptr_data *nested_ptr_d = NULL; |
1a97be37 | 1475 | |
c39ed964 | 1476 | d->needs_cast_p = false; |
573aba85 | 1477 | for (oo = d->opt; oo; oo = oo->next) |
1478 | if (strcmp (oo->name, "length") == 0) | |
1479 | length = (const char *)oo->info; | |
1480 | else if (strcmp (oo->name, "maybe_undef") == 0) | |
1481 | maybe_undef_p = 1; | |
1482 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
1483 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
1484 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
1485 | else if (strcmp (oo->name, "use_params") == 0) | |
1486 | use_params_p = 1; | |
1487 | else if (strcmp (oo->name, "desc") == 0) | |
1488 | desc = (const char *)oo->info; | |
8ed01400 | 1489 | else if (strcmp (oo->name, "nested_ptr") == 0) |
c39ed964 | 1490 | nested_ptr_d = (const struct nested_ptr_data *) oo->info; |
573aba85 | 1491 | else if (strcmp (oo->name, "dot") == 0) |
1492 | ; | |
1493 | else if (strcmp (oo->name, "tag") == 0) | |
1494 | ; | |
1495 | else if (strcmp (oo->name, "special") == 0) | |
1496 | ; | |
1497 | else if (strcmp (oo->name, "skip") == 0) | |
1498 | ; | |
1499 | else if (strcmp (oo->name, "default") == 0) | |
1500 | ; | |
1501 | else if (strcmp (oo->name, "descbits") == 0) | |
1502 | ; | |
1503 | else if (strcmp (oo->name, "param_is") == 0) | |
1504 | ; | |
8578ce7b | 1505 | else if (strncmp (oo->name, "param", 5) == 0 |
1506 | && ISDIGIT (oo->name[5]) | |
1507 | && strcmp (oo->name + 6, "_is") == 0) | |
1508 | ; | |
573aba85 | 1509 | else if (strcmp (oo->name, "chain_next") == 0) |
1510 | ; | |
1511 | else if (strcmp (oo->name, "chain_prev") == 0) | |
1512 | ; | |
1513 | else if (strcmp (oo->name, "reorder") == 0) | |
1514 | ; | |
1515 | else | |
1516 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
c849df63 | 1517 | |
573aba85 | 1518 | if (d->used_length) |
1519 | length = NULL; | |
c849df63 | 1520 | |
573aba85 | 1521 | if (use_params_p) |
1522 | { | |
1523 | int pointer_p = t->kind == TYPE_POINTER; | |
1a97be37 | 1524 | |
573aba85 | 1525 | if (pointer_p) |
1526 | t = t->u.p; | |
1527 | if (! UNION_OR_STRUCT_P (t)) | |
1528 | error_at_line (d->line, "`use_params' option on unimplemented type"); | |
1a97be37 | 1529 | else |
573aba85 | 1530 | t = find_param_structure (t, d->param); |
1531 | if (pointer_p) | |
1532 | t = create_pointer (t); | |
1533 | } | |
1a97be37 | 1534 | |
573aba85 | 1535 | if (use_param_num != -1) |
1536 | { | |
1537 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
1f3233d1 | 1538 | { |
573aba85 | 1539 | type_p nt = d->param[use_param_num]; |
1a97be37 | 1540 | |
573aba85 | 1541 | if (t->kind == TYPE_ARRAY) |
1542 | nt = create_array (nt, t->u.a.len); | |
1543 | else if (length != NULL && t->kind == TYPE_POINTER) | |
1544 | nt = create_pointer (nt); | |
b41d328d | 1545 | d->needs_cast_p = (t->kind != TYPE_POINTER |
1546 | && (nt->kind == TYPE_POINTER | |
1547 | || nt->kind == TYPE_STRING)); | |
573aba85 | 1548 | t = nt; |
1f3233d1 | 1549 | } |
573aba85 | 1550 | else |
1551 | error_at_line (d->line, "no parameter defined for `%s'", | |
1552 | d->val); | |
1553 | } | |
1a97be37 | 1554 | |
1555 | if (maybe_undef_p | |
573aba85 | 1556 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) |
1557 | { | |
1a97be37 | 1558 | error_at_line (d->line, |
573aba85 | 1559 | "field `%s' has invalid option `maybe_undef_p'\n", |
1560 | d->val); | |
1561 | return; | |
1562 | } | |
1a97be37 | 1563 | |
573aba85 | 1564 | switch (t->kind) |
1565 | { | |
1566 | case TYPE_SCALAR: | |
1567 | case TYPE_STRING: | |
1568 | d->process_field (t, d); | |
1569 | break; | |
1a97be37 | 1570 | |
573aba85 | 1571 | case TYPE_POINTER: |
1572 | { | |
1573 | if (maybe_undef_p | |
1574 | && t->u.p->u.s.line.file == NULL) | |
1575 | { | |
1576 | oprintf (d->of, "%*sif (%s) abort();\n", d->indent, "", d->val); | |
1577 | break; | |
1578 | } | |
1f3233d1 | 1579 | |
573aba85 | 1580 | if (! length) |
1f3233d1 | 1581 | { |
573aba85 | 1582 | if (! UNION_OR_STRUCT_P (t->u.p) |
1583 | && t->u.p->kind != TYPE_PARAM_STRUCT) | |
1f3233d1 | 1584 | { |
1a97be37 | 1585 | error_at_line (d->line, |
573aba85 | 1586 | "field `%s' is pointer to unimplemented type", |
1587 | d->val); | |
1f3233d1 | 1588 | break; |
1589 | } | |
1a97be37 | 1590 | |
8ed01400 | 1591 | if (nested_ptr_d) |
1592 | { | |
1593 | const char *oldprevval2 = d->prev_val[2]; | |
1594 | ||
1595 | if (! UNION_OR_STRUCT_P (nested_ptr_d->type)) | |
1596 | { | |
1597 | error_at_line (d->line, | |
1598 | "field `%s' has invalid " | |
1599 | "option `nested_ptr'\n", | |
1600 | d->val); | |
1601 | return; | |
1602 | } | |
1603 | ||
1604 | d->prev_val[2] = d->val; | |
1605 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
1606 | d->indent += 2; | |
1607 | d->val = xasprintf ("x%d", d->counter++); | |
c39ed964 | 1608 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
8ed01400 | 1609 | (nested_ptr_d->type->kind == TYPE_UNION |
1610 | ? "union" : "struct"), | |
c39ed964 | 1611 | nested_ptr_d->type->u.s.tag, |
1612 | d->fn_wants_lvalue ? "" : "const ", | |
1613 | d->val); | |
8ed01400 | 1614 | oprintf (d->of, "%*s", d->indent + 2, ""); |
1615 | output_escaped_param (d, nested_ptr_d->convert_from, | |
1616 | "nested_ptr"); | |
1617 | oprintf (d->of, ";\n"); | |
1618 | ||
1619 | d->process_field (nested_ptr_d->type, d); | |
1620 | ||
c39ed964 | 1621 | if (d->fn_wants_lvalue) |
1622 | { | |
1623 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
1624 | d->prev_val[2]); | |
1625 | d->prev_val[2] = d->val; | |
1626 | output_escaped_param (d, nested_ptr_d->convert_to, | |
1627 | "nested_ptr"); | |
1628 | oprintf (d->of, ";\n"); | |
1629 | } | |
8ed01400 | 1630 | |
1631 | d->indent -= 2; | |
1632 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1633 | d->val = d->prev_val[2]; | |
1634 | d->prev_val[2] = oldprevval2; | |
1635 | } | |
1636 | else | |
1637 | d->process_field (t->u.p, d); | |
1f3233d1 | 1638 | } |
1a97be37 | 1639 | else |
1f3233d1 | 1640 | { |
573aba85 | 1641 | int loopcounter = d->counter++; |
1642 | const char *oldval = d->val; | |
1643 | const char *oldprevval3 = d->prev_val[3]; | |
1f3233d1 | 1644 | char *newval; |
1645 | ||
573aba85 | 1646 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
1647 | d->indent += 2; | |
1648 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
1a97be37 | 1649 | oprintf (d->of, "%*sfor (i%d = 0; i%d < (size_t)(", d->indent, "", |
573aba85 | 1650 | loopcounter, loopcounter); |
1651 | output_escaped_param (d, length, "length"); | |
1652 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
1653 | d->indent += 2; | |
1654 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
1655 | d->used_length = 1; | |
1656 | d->prev_val[3] = oldval; | |
1657 | walk_type (t->u.p, d); | |
1f3233d1 | 1658 | free (newval); |
573aba85 | 1659 | d->val = oldval; |
1660 | d->prev_val[3] = oldprevval3; | |
1661 | d->used_length = 0; | |
1662 | d->indent -= 2; | |
1663 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
b14c9131 | 1664 | d->process_field(t, d); |
573aba85 | 1665 | d->indent -= 2; |
1666 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1f3233d1 | 1667 | } |
573aba85 | 1668 | } |
1669 | break; | |
1f3233d1 | 1670 | |
573aba85 | 1671 | case TYPE_ARRAY: |
1672 | { | |
1673 | int loopcounter = d->counter++; | |
1674 | const char *oldval = d->val; | |
1675 | char *newval; | |
1676 | ||
7ef5b942 | 1677 | /* If it's an array of scalars, we optimize by not generating |
573aba85 | 1678 | any code. */ |
1679 | if (t->u.a.p->kind == TYPE_SCALAR) | |
1f3233d1 | 1680 | break; |
1a97be37 | 1681 | |
573aba85 | 1682 | oprintf (d->of, "%*s{\n", d->indent, ""); |
1683 | d->indent += 2; | |
1684 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
1a97be37 | 1685 | oprintf (d->of, "%*sfor (i%d = 0; i%d < (size_t)(", d->indent, "", |
573aba85 | 1686 | loopcounter, loopcounter); |
1687 | if (length) | |
1688 | output_escaped_param (d, length, "length"); | |
1689 | else | |
1690 | oprintf (d->of, "%s", t->u.a.len); | |
1691 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
1692 | d->indent += 2; | |
1693 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
1694 | d->used_length = 1; | |
1695 | walk_type (t->u.a.p, d); | |
1696 | free (newval); | |
1697 | d->used_length = 0; | |
1698 | d->val = oldval; | |
1699 | d->indent -= 2; | |
1700 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1701 | d->indent -= 2; | |
1702 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1703 | } | |
1704 | break; | |
1a97be37 | 1705 | |
573aba85 | 1706 | case TYPE_STRUCT: |
1707 | case TYPE_UNION: | |
1708 | { | |
1709 | pair_p f; | |
1710 | const char *oldval = d->val; | |
1711 | const char *oldprevval1 = d->prev_val[1]; | |
1712 | const char *oldprevval2 = d->prev_val[2]; | |
1713 | const int union_p = t->kind == TYPE_UNION; | |
1714 | int seen_default_p = 0; | |
1715 | options_p o; | |
1716 | ||
1717 | if (! t->u.s.line.file) | |
1718 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); | |
1f3233d1 | 1719 | |
573aba85 | 1720 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
1f3233d1 | 1721 | { |
573aba85 | 1722 | error_at_line (d->line, |
1723 | "structure `%s' defined for mismatching languages", | |
1724 | t->u.s.tag); | |
1725 | error_at_line (&t->u.s.line, "one structure defined here"); | |
1726 | } | |
1f3233d1 | 1727 | |
573aba85 | 1728 | /* Some things may also be defined in the structure's options. */ |
1729 | for (o = t->u.s.opt; o; o = o->next) | |
1730 | if (! desc && strcmp (o->name, "desc") == 0) | |
1731 | desc = (const char *)o->info; | |
1f3233d1 | 1732 | |
573aba85 | 1733 | d->prev_val[2] = oldval; |
1734 | d->prev_val[1] = oldprevval2; | |
1735 | if (union_p) | |
1736 | { | |
1737 | if (desc == NULL) | |
1f3233d1 | 1738 | { |
573aba85 | 1739 | error_at_line (d->line, "missing `desc' option for union `%s'", |
1740 | t->u.s.tag); | |
1741 | desc = "1"; | |
1f3233d1 | 1742 | } |
573aba85 | 1743 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
1744 | output_escaped_param (d, desc, "desc"); | |
1745 | oprintf (d->of, ")\n"); | |
1746 | d->indent += 2; | |
1747 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
1748 | } | |
1749 | for (f = t->u.s.fields; f; f = f->next) | |
1750 | { | |
1751 | options_p oo; | |
1752 | const char *dot = "."; | |
1753 | const char *tagid = NULL; | |
1754 | int skip_p = 0; | |
1755 | int default_p = 0; | |
1756 | int use_param_p = 0; | |
1757 | char *newval; | |
1758 | ||
1759 | d->reorder_fn = NULL; | |
1760 | for (oo = f->opt; oo; oo = oo->next) | |
1761 | if (strcmp (oo->name, "dot") == 0) | |
1762 | dot = (const char *)oo->info; | |
1763 | else if (strcmp (oo->name, "tag") == 0) | |
1764 | tagid = (const char *)oo->info; | |
1765 | else if (strcmp (oo->name, "skip") == 0) | |
1766 | skip_p = 1; | |
1767 | else if (strcmp (oo->name, "default") == 0) | |
1768 | default_p = 1; | |
1769 | else if (strcmp (oo->name, "reorder") == 0) | |
1770 | d->reorder_fn = (const char *)oo->info; | |
1771 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
1772 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
1773 | use_param_p = 1; | |
1774 | ||
1775 | if (skip_p) | |
1776 | continue; | |
1777 | ||
1778 | if (union_p && tagid) | |
1f3233d1 | 1779 | { |
573aba85 | 1780 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
1781 | d->indent += 2; | |
1f3233d1 | 1782 | } |
573aba85 | 1783 | else if (union_p && default_p) |
1f3233d1 | 1784 | { |
573aba85 | 1785 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
1786 | d->indent += 2; | |
1787 | seen_default_p = 1; | |
1f3233d1 | 1788 | } |
573aba85 | 1789 | else if (! union_p && (default_p || tagid)) |
1a97be37 | 1790 | error_at_line (d->line, |
573aba85 | 1791 | "can't use `%s' outside a union on field `%s'", |
1792 | default_p ? "default" : "tag", f->name); | |
1793 | else if (union_p && ! (default_p || tagid) | |
1794 | && f->type->kind == TYPE_SCALAR) | |
1f3233d1 | 1795 | { |
573aba85 | 1796 | fprintf (stderr, |
1797 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", | |
1798 | d->line->file, d->line->line, f->name); | |
1799 | continue; | |
1f3233d1 | 1800 | } |
573aba85 | 1801 | else if (union_p && ! (default_p || tagid)) |
1a97be37 | 1802 | error_at_line (d->line, |
573aba85 | 1803 | "field `%s' is missing `tag' or `default' option", |
1f3233d1 | 1804 | f->name); |
1a97be37 | 1805 | |
573aba85 | 1806 | d->line = &f->line; |
1807 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
1808 | d->opt = f->opt; | |
c39ed964 | 1809 | d->used_length = false; |
573aba85 | 1810 | |
1811 | if (union_p && use_param_p && d->param == NULL) | |
1812 | oprintf (d->of, "%*sabort();\n", d->indent, ""); | |
1813 | else | |
1814 | walk_type (f->type, d); | |
1815 | ||
1816 | free (newval); | |
1817 | ||
1818 | if (union_p) | |
1f3233d1 | 1819 | { |
573aba85 | 1820 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
1821 | d->indent -= 2; | |
1f3233d1 | 1822 | } |
573aba85 | 1823 | } |
1824 | d->reorder_fn = NULL; | |
1f3233d1 | 1825 | |
573aba85 | 1826 | d->val = oldval; |
1827 | d->prev_val[1] = oldprevval1; | |
1828 | d->prev_val[2] = oldprevval2; | |
1829 | ||
1830 | if (union_p && ! seen_default_p) | |
1831 | { | |
1832 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
1833 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
1834 | } | |
1835 | if (union_p) | |
1836 | { | |
1837 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1838 | d->indent -= 2; | |
1f3233d1 | 1839 | } |
573aba85 | 1840 | } |
1841 | break; | |
1f3233d1 | 1842 | |
573aba85 | 1843 | case TYPE_LANG_STRUCT: |
1844 | { | |
1845 | type_p nt; | |
1846 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
1847 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
1848 | break; | |
1849 | if (nt == NULL) | |
1850 | error_at_line (d->line, "structure `%s' differs between languages", | |
1851 | t->u.s.tag); | |
1852 | else | |
1853 | walk_type (nt, d); | |
1854 | } | |
1855 | break; | |
1856 | ||
1857 | case TYPE_PARAM_STRUCT: | |
1858 | { | |
1859 | type_p *oldparam = d->param; | |
1a97be37 | 1860 | |
573aba85 | 1861 | d->param = t->u.param_struct.param; |
1862 | walk_type (t->u.param_struct.stru, d); | |
1863 | d->param = oldparam; | |
1864 | } | |
1865 | break; | |
1a97be37 | 1866 | |
573aba85 | 1867 | default: |
1868 | abort (); | |
1f3233d1 | 1869 | } |
573aba85 | 1870 | } |
1871 | ||
1872 | /* process_field routine for marking routines. */ | |
1873 | ||
1874 | static void | |
1a97be37 | 1875 | write_types_process_field (type_p f, const struct walk_type_data *d) |
573aba85 | 1876 | { |
1877 | const struct write_types_data *wtd; | |
b41d328d | 1878 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
573aba85 | 1879 | wtd = (const struct write_types_data *) d->cookie; |
1a97be37 | 1880 | |
573aba85 | 1881 | switch (f->kind) |
1f3233d1 | 1882 | { |
573aba85 | 1883 | case TYPE_POINTER: |
1a97be37 | 1884 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
b41d328d | 1885 | wtd->subfield_marker_routine, cast, d->val); |
573aba85 | 1886 | if (wtd->param_prefix) |
c849df63 | 1887 | { |
573aba85 | 1888 | oprintf (d->of, ", %s", d->prev_val[3]); |
1889 | if (d->orig_s) | |
1890 | { | |
1891 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
1892 | output_mangled_typename (d->of, d->orig_s); | |
1893 | } | |
1894 | else | |
1895 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
c849df63 | 1896 | } |
573aba85 | 1897 | oprintf (d->of, ");\n"); |
1898 | if (d->reorder_fn && wtd->reorder_note_routine) | |
1a97be37 | 1899 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
b41d328d | 1900 | wtd->reorder_note_routine, cast, d->val, |
573aba85 | 1901 | d->prev_val[3], d->reorder_fn); |
1902 | break; | |
1903 | ||
1904 | case TYPE_STRING: | |
1905 | if (wtd->param_prefix == NULL) | |
1906 | break; | |
1907 | ||
1908 | case TYPE_STRUCT: | |
1909 | case TYPE_UNION: | |
1910 | case TYPE_LANG_STRUCT: | |
1911 | case TYPE_PARAM_STRUCT: | |
1912 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
1913 | output_mangled_typename (d->of, f); | |
b41d328d | 1914 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
573aba85 | 1915 | if (d->reorder_fn && wtd->reorder_note_routine) |
1a97be37 | 1916 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
b41d328d | 1917 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
573aba85 | 1918 | d->reorder_fn); |
1919 | break; | |
1920 | ||
1921 | case TYPE_SCALAR: | |
1922 | break; | |
1a97be37 | 1923 | |
573aba85 | 1924 | default: |
1925 | abort (); | |
1f3233d1 | 1926 | } |
1927 | } | |
1928 | ||
573aba85 | 1929 | /* For S, a structure that's part of ORIG_S, and using parameters |
1930 | PARAM, write out a routine that: | |
1931 | - Takes a parameter, a void * but actually of type *S | |
1932 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
1933 | field of S or its substructures and (in some cases) things | |
1934 | that are pointed to by S. | |
1935 | */ | |
155e048d | 1936 | |
1f3233d1 | 1937 | static void |
00775b04 | 1938 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
1939 | const struct write_types_data *wtd) | |
1f3233d1 | 1940 | { |
c849df63 | 1941 | const char *fn = s->u.s.line.file; |
1942 | int i; | |
1943 | const char *chain_next = NULL; | |
1944 | const char *chain_prev = NULL; | |
1945 | options_p opt; | |
573aba85 | 1946 | struct walk_type_data d; |
1a97be37 | 1947 | |
c849df63 | 1948 | /* This is a hack, and not the good kind either. */ |
1949 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
1a97be37 | 1950 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
c849df63 | 1951 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
1952 | fn = param[i]->u.p->u.s.line.file; | |
1a97be37 | 1953 | |
573aba85 | 1954 | memset (&d, 0, sizeof (d)); |
1955 | d.of = get_output_file_with_visibility (fn); | |
1a97be37 | 1956 | |
c849df63 | 1957 | for (opt = s->u.s.opt; opt; opt = opt->next) |
1958 | if (strcmp (opt->name, "chain_next") == 0) | |
1959 | chain_next = (const char *) opt->info; | |
1960 | else if (strcmp (opt->name, "chain_prev") == 0) | |
1961 | chain_prev = (const char *) opt->info; | |
1962 | ||
1963 | if (chain_prev != NULL && chain_next == NULL) | |
1964 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
1965 | ||
573aba85 | 1966 | d.process_field = write_types_process_field; |
1967 | d.cookie = wtd; | |
1968 | d.orig_s = orig_s; | |
1969 | d.opt = s->u.s.opt; | |
1970 | d.line = &s->u.s.line; | |
1971 | d.bitmap = s->u.s.bitmap; | |
1972 | d.param = param; | |
1973 | d.prev_val[0] = "*x"; | |
21dda4ee | 1974 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
573aba85 | 1975 | d.prev_val[3] = "x"; |
1976 | d.val = "(*x)"; | |
1977 | ||
1978 | oprintf (d.of, "\n"); | |
1979 | oprintf (d.of, "void\n"); | |
1f3233d1 | 1980 | if (param == NULL) |
573aba85 | 1981 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
1f3233d1 | 1982 | else |
c849df63 | 1983 | { |
573aba85 | 1984 | oprintf (d.of, "gt_%s_", wtd->prefix); |
1985 | output_mangled_typename (d.of, orig_s); | |
c849df63 | 1986 | } |
69dc4d00 | 1987 | oprintf (d.of, " (void *x_p)\n"); |
573aba85 | 1988 | oprintf (d.of, "{\n"); |
1989 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
1f3233d1 | 1990 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
c849df63 | 1991 | chain_next == NULL ? "const " : "", |
1f3233d1 | 1992 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
c849df63 | 1993 | if (chain_next != NULL) |
573aba85 | 1994 | oprintf (d.of, " %s %s * xlimit = x;\n", |
c849df63 | 1995 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
1996 | if (chain_next == NULL) | |
573aba85 | 1997 | { |
1998 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
1999 | if (wtd->param_prefix) | |
2000 | { | |
2001 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
2002 | output_mangled_typename (d.of, orig_s); | |
2003 | } | |
2004 | oprintf (d.of, "))\n"); | |
2005 | } | |
c849df63 | 2006 | else |
2007 | { | |
573aba85 | 2008 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); |
2009 | if (wtd->param_prefix) | |
2010 | { | |
2011 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2012 | output_mangled_typename (d.of, orig_s); | |
2013 | } | |
2014 | oprintf (d.of, "))\n"); | |
2015 | oprintf (d.of, " xlimit = ("); | |
2016 | d.prev_val[2] = "*xlimit"; | |
2017 | output_escaped_param (&d, chain_next, "chain_next"); | |
2018 | oprintf (d.of, ");\n"); | |
c849df63 | 2019 | if (chain_prev != NULL) |
2020 | { | |
573aba85 | 2021 | oprintf (d.of, " if (x != xlimit)\n"); |
2022 | oprintf (d.of, " for (;;)\n"); | |
2023 | oprintf (d.of, " {\n"); | |
2024 | oprintf (d.of, " %s %s * const xprev = (", | |
c849df63 | 2025 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
1a97be37 | 2026 | |
573aba85 | 2027 | d.prev_val[2] = "*x"; |
2028 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
2029 | oprintf (d.of, ");\n"); | |
2030 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
2031 | oprintf (d.of, " x = xprev;\n"); | |
1a97be37 | 2032 | oprintf (d.of, " (void) %s (xprev", |
573aba85 | 2033 | wtd->marker_routine); |
2034 | if (wtd->param_prefix) | |
2035 | { | |
2036 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
2037 | output_mangled_typename (d.of, orig_s); | |
2038 | } | |
2039 | oprintf (d.of, ");\n"); | |
2040 | oprintf (d.of, " }\n"); | |
c849df63 | 2041 | } |
573aba85 | 2042 | oprintf (d.of, " while (x != xlimit)\n"); |
c849df63 | 2043 | } |
573aba85 | 2044 | oprintf (d.of, " {\n"); |
1a97be37 | 2045 | |
573aba85 | 2046 | d.prev_val[2] = "*x"; |
2047 | d.indent = 6; | |
2048 | walk_type (s, &d); | |
1a97be37 | 2049 | |
c849df63 | 2050 | if (chain_next != NULL) |
2051 | { | |
573aba85 | 2052 | oprintf (d.of, " x = ("); |
2053 | output_escaped_param (&d, chain_next, "chain_next"); | |
2054 | oprintf (d.of, ");\n"); | |
c849df63 | 2055 | } |
2056 | ||
573aba85 | 2057 | oprintf (d.of, " }\n"); |
2058 | oprintf (d.of, "}\n"); | |
1f3233d1 | 2059 | } |
155e048d | 2060 | |
2061 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
1f3233d1 | 2062 | |
2063 | static void | |
1a97be37 | 2064 | write_types (type_p structures, type_p param_structs, |
2065 | const struct write_types_data *wtd) | |
1f3233d1 | 2066 | { |
2067 | type_p s; | |
1a97be37 | 2068 | |
573aba85 | 2069 | oprintf (header_file, "\n/* %s*/\n", wtd->comment); |
1f3233d1 | 2070 | for (s = structures; s; s = s->next) |
2071 | if (s->gc_used == GC_POINTED_TO | |
2072 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2073 | { | |
2074 | options_p opt; | |
1a97be37 | 2075 | |
1f3233d1 | 2076 | if (s->gc_used == GC_MAYBE_POINTED_TO |
2077 | && s->u.s.line.file == NULL) | |
2078 | continue; | |
2079 | ||
573aba85 | 2080 | oprintf (header_file, "#define gt_%s_", wtd->prefix); |
c849df63 | 2081 | output_mangled_typename (header_file, s); |
2082 | oprintf (header_file, "(X) do { \\\n"); | |
92570e7a | 2083 | oprintf (header_file, |
1a97be37 | 2084 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
573aba85 | 2085 | s->u.s.tag); |
92570e7a | 2086 | oprintf (header_file, |
1f3233d1 | 2087 | " } while (0)\n"); |
1a97be37 | 2088 | |
1f3233d1 | 2089 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2090 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2091 | { | |
2092 | type_p t = (type_p) opt->info; | |
1a97be37 | 2093 | if (t->kind == TYPE_STRUCT |
1f3233d1 | 2094 | || t->kind == TYPE_UNION |
2095 | || t->kind == TYPE_LANG_STRUCT) | |
92570e7a | 2096 | oprintf (header_file, |
573aba85 | 2097 | "#define gt_%sx_%s gt_%sx_%s\n", |
2098 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
1f3233d1 | 2099 | else |
1a97be37 | 2100 | error_at_line (&s->u.s.line, |
1f3233d1 | 2101 | "structure alias is not a structure"); |
2102 | break; | |
2103 | } | |
2104 | if (opt) | |
2105 | continue; | |
2106 | ||
2107 | /* Declare the marker procedure only once. */ | |
1a97be37 | 2108 | oprintf (header_file, |
2109 | "extern void gt_%sx_%s (void *);\n", | |
573aba85 | 2110 | wtd->prefix, s->u.s.tag); |
1a97be37 | 2111 | |
1f3233d1 | 2112 | if (s->u.s.line.file == NULL) |
2113 | { | |
1a97be37 | 2114 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
1f3233d1 | 2115 | s->u.s.tag); |
2116 | continue; | |
2117 | } | |
1a97be37 | 2118 | |
1f3233d1 | 2119 | if (s->kind == TYPE_LANG_STRUCT) |
2120 | { | |
2121 | type_p ss; | |
2122 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
573aba85 | 2123 | write_func_for_structure (s, ss, NULL, wtd); |
1f3233d1 | 2124 | } |
2125 | else | |
573aba85 | 2126 | write_func_for_structure (s, s, NULL, wtd); |
1f3233d1 | 2127 | } |
2128 | ||
2129 | for (s = param_structs; s; s = s->next) | |
2130 | if (s->gc_used == GC_POINTED_TO) | |
2131 | { | |
c849df63 | 2132 | type_p * param = s->u.param_struct.param; |
1f3233d1 | 2133 | type_p stru = s->u.param_struct.stru; |
2134 | ||
1f3233d1 | 2135 | /* Declare the marker procedure. */ |
573aba85 | 2136 | oprintf (header_file, "extern void gt_%s_", wtd->prefix); |
c849df63 | 2137 | output_mangled_typename (header_file, s); |
1a97be37 | 2138 | oprintf (header_file, " (void *);\n"); |
2139 | ||
1f3233d1 | 2140 | if (stru->u.s.line.file == NULL) |
2141 | { | |
1a97be37 | 2142 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
1f3233d1 | 2143 | s->u.s.tag); |
2144 | continue; | |
2145 | } | |
1a97be37 | 2146 | |
1f3233d1 | 2147 | if (stru->kind == TYPE_LANG_STRUCT) |
2148 | { | |
2149 | type_p ss; | |
2150 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
573aba85 | 2151 | write_func_for_structure (s, ss, param, wtd); |
2152 | } | |
2153 | else | |
2154 | write_func_for_structure (s, stru, param, wtd); | |
2155 | } | |
2156 | } | |
2157 | ||
2158 | static const struct write_types_data ggc_wtd = | |
2159 | { | |
2160 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, | |
2161 | "GC marker procedures. " | |
2162 | }; | |
2163 | ||
2164 | static const struct write_types_data pch_wtd = | |
2165 | { | |
2166 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", | |
2167 | "gt_pch_note_reorder", | |
2168 | "PCH type-walking procedures. " | |
2169 | }; | |
2170 | ||
2171 | /* Write out the local pointer-walking routines. */ | |
2172 | ||
2173 | /* process_field routine for local pointer-walking. */ | |
2174 | ||
2175 | static void | |
1a97be37 | 2176 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
573aba85 | 2177 | { |
2178 | switch (f->kind) | |
2179 | { | |
2180 | case TYPE_POINTER: | |
2181 | case TYPE_STRUCT: | |
2182 | case TYPE_UNION: | |
2183 | case TYPE_LANG_STRUCT: | |
2184 | case TYPE_PARAM_STRUCT: | |
2185 | case TYPE_STRING: | |
2186 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
2187 | d->prev_val[3]); | |
2188 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
2189 | break; | |
2190 | ||
2191 | case TYPE_SCALAR: | |
2192 | break; | |
1a97be37 | 2193 | |
573aba85 | 2194 | default: |
2195 | abort (); | |
2196 | } | |
2197 | } | |
2198 | ||
2199 | /* For S, a structure that's part of ORIG_S, and using parameters | |
2200 | PARAM, write out a routine that: | |
2201 | - Is of type gt_note_pointers | |
c39ed964 | 2202 | - Calls PROCESS_FIELD on each field of S or its substructures. |
573aba85 | 2203 | */ |
2204 | ||
2205 | static void | |
1a97be37 | 2206 | write_local_func_for_structure (type_p orig_s, type_p s, type_p *param) |
573aba85 | 2207 | { |
2208 | const char *fn = s->u.s.line.file; | |
2209 | int i; | |
2210 | struct walk_type_data d; | |
1a97be37 | 2211 | |
573aba85 | 2212 | /* This is a hack, and not the good kind either. */ |
2213 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
1a97be37 | 2214 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
573aba85 | 2215 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2216 | fn = param[i]->u.p->u.s.line.file; | |
1a97be37 | 2217 | |
573aba85 | 2218 | memset (&d, 0, sizeof (d)); |
2219 | d.of = get_output_file_with_visibility (fn); | |
1a97be37 | 2220 | |
573aba85 | 2221 | d.process_field = write_types_local_process_field; |
2222 | d.opt = s->u.s.opt; | |
2223 | d.line = &s->u.s.line; | |
2224 | d.bitmap = s->u.s.bitmap; | |
2225 | d.param = param; | |
2226 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
21dda4ee | 2227 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
573aba85 | 2228 | d.prev_val[3] = "x"; |
2229 | d.val = "(*x)"; | |
c39ed964 | 2230 | d.fn_wants_lvalue = true; |
573aba85 | 2231 | |
2232 | oprintf (d.of, "\n"); | |
2233 | oprintf (d.of, "void\n"); | |
2234 | oprintf (d.of, "gt_pch_p_"); | |
2235 | output_mangled_typename (d.of, orig_s); | |
69dc4d00 | 2236 | oprintf (d.of, " (void *this_obj ATTRIBUTE_UNUSED,\n\tvoid *x_p,\n\tgt_pointer_operator op ATTRIBUTE_UNUSED,\n\tvoid *cookie ATTRIBUTE_UNUSED)\n"); |
573aba85 | 2237 | oprintf (d.of, "{\n"); |
2238 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
2239 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
2240 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
2241 | d.indent = 2; | |
2242 | walk_type (s, &d); | |
2243 | oprintf (d.of, "}\n"); | |
2244 | } | |
2245 | ||
2246 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
2247 | ||
2248 | static void | |
1a97be37 | 2249 | write_local (type_p structures, type_p param_structs) |
573aba85 | 2250 | { |
2251 | type_p s; | |
1a97be37 | 2252 | |
573aba85 | 2253 | oprintf (header_file, "\n/* Local pointer-walking routines. */\n"); |
2254 | for (s = structures; s; s = s->next) | |
2255 | if (s->gc_used == GC_POINTED_TO | |
2256 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2257 | { | |
2258 | options_p opt; | |
1a97be37 | 2259 | |
573aba85 | 2260 | if (s->u.s.line.file == NULL) |
2261 | continue; | |
2262 | ||
2263 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2264 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2265 | { | |
2266 | type_p t = (type_p) opt->info; | |
1a97be37 | 2267 | if (t->kind == TYPE_STRUCT |
573aba85 | 2268 | || t->kind == TYPE_UNION |
2269 | || t->kind == TYPE_LANG_STRUCT) | |
2270 | { | |
2271 | oprintf (header_file, "#define gt_pch_p_"); | |
2272 | output_mangled_typename (header_file, s); | |
2273 | oprintf (header_file, " gt_pch_p_"); | |
2274 | output_mangled_typename (header_file, t); | |
2275 | oprintf (header_file, "\n"); | |
2276 | } | |
2277 | else | |
1a97be37 | 2278 | error_at_line (&s->u.s.line, |
573aba85 | 2279 | "structure alias is not a structure"); |
2280 | break; | |
2281 | } | |
2282 | if (opt) | |
2283 | continue; | |
2284 | ||
2285 | /* Declare the marker procedure only once. */ | |
2286 | oprintf (header_file, "extern void gt_pch_p_"); | |
2287 | output_mangled_typename (header_file, s); | |
1a97be37 | 2288 | oprintf (header_file, |
2289 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2290 | ||
573aba85 | 2291 | if (s->kind == TYPE_LANG_STRUCT) |
2292 | { | |
2293 | type_p ss; | |
2294 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2295 | write_local_func_for_structure (s, ss, NULL); | |
2296 | } | |
2297 | else | |
2298 | write_local_func_for_structure (s, s, NULL); | |
2299 | } | |
2300 | ||
2301 | for (s = param_structs; s; s = s->next) | |
2302 | if (s->gc_used == GC_POINTED_TO) | |
2303 | { | |
2304 | type_p * param = s->u.param_struct.param; | |
2305 | type_p stru = s->u.param_struct.stru; | |
2306 | ||
2307 | /* Declare the marker procedure. */ | |
2308 | oprintf (header_file, "extern void gt_pch_p_"); | |
2309 | output_mangled_typename (header_file, s); | |
1a97be37 | 2310 | oprintf (header_file, |
2311 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2312 | ||
573aba85 | 2313 | if (stru->u.s.line.file == NULL) |
2314 | { | |
1a97be37 | 2315 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
573aba85 | 2316 | s->u.s.tag); |
2317 | continue; | |
2318 | } | |
1a97be37 | 2319 | |
573aba85 | 2320 | if (stru->kind == TYPE_LANG_STRUCT) |
2321 | { | |
2322 | type_p ss; | |
2323 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
2324 | write_local_func_for_structure (s, ss, param); | |
1f3233d1 | 2325 | } |
2326 | else | |
573aba85 | 2327 | write_local_func_for_structure (s, stru, param); |
c849df63 | 2328 | } |
2329 | } | |
2330 | ||
2331 | /* Write out the 'enum' definition for gt_types_enum. */ | |
2332 | ||
2333 | static void | |
00775b04 | 2334 | write_enum_defn (type_p structures, type_p param_structs) |
c849df63 | 2335 | { |
2336 | type_p s; | |
1a97be37 | 2337 | |
c849df63 | 2338 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
2339 | oprintf (header_file, "enum gt_types_enum {\n"); | |
2340 | for (s = structures; s; s = s->next) | |
2341 | if (s->gc_used == GC_POINTED_TO | |
2342 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2343 | { | |
2344 | if (s->gc_used == GC_MAYBE_POINTED_TO | |
2345 | && s->u.s.line.file == NULL) | |
2346 | continue; | |
2347 | ||
2348 | oprintf (header_file, " gt_ggc_e_"); | |
2349 | output_mangled_typename (header_file, s); | |
2350 | oprintf (header_file, ", \n"); | |
1f3233d1 | 2351 | } |
c849df63 | 2352 | for (s = param_structs; s; s = s->next) |
2353 | if (s->gc_used == GC_POINTED_TO) | |
2354 | { | |
2355 | oprintf (header_file, " gt_e_"); | |
2356 | output_mangled_typename (header_file, s); | |
2357 | oprintf (header_file, ", \n"); | |
2358 | } | |
2359 | oprintf (header_file, " gt_types_enum_last\n"); | |
2360 | oprintf (header_file, "};\n"); | |
1f3233d1 | 2361 | } |
2362 | ||
573aba85 | 2363 | /* Might T contain any non-pointer elements? */ |
2364 | ||
2365 | static int | |
1a97be37 | 2366 | contains_scalar_p (type_p t) |
573aba85 | 2367 | { |
2368 | switch (t->kind) | |
2369 | { | |
2370 | case TYPE_STRING: | |
2371 | case TYPE_POINTER: | |
2372 | return 0; | |
2373 | case TYPE_ARRAY: | |
2374 | return contains_scalar_p (t->u.a.p); | |
2375 | default: | |
2376 | /* Could also check for structures that have no non-pointer | |
2377 | fields, but there aren't enough of those to worry about. */ | |
2378 | return 1; | |
2379 | } | |
2380 | } | |
c849df63 | 2381 | |
155e048d | 2382 | /* Mangle FN and print it to F. */ |
2383 | ||
1f3233d1 | 2384 | static void |
1a97be37 | 2385 | put_mangled_filename (outf_p f, const char *fn) |
1f3233d1 | 2386 | { |
2387 | const char *name = get_output_file_name (fn); | |
2388 | for (; *name != 0; name++) | |
74863452 | 2389 | if (ISALNUM (*name)) |
92570e7a | 2390 | oprintf (f, "%c", *name); |
1f3233d1 | 2391 | else |
92570e7a | 2392 | oprintf (f, "%c", '_'); |
1f3233d1 | 2393 | } |
2394 | ||
155e048d | 2395 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
2396 | LASTNAME, and NAME are all strings to insert in various places in | |
2397 | the resulting code. */ | |
2398 | ||
1f3233d1 | 2399 | static void |
1a97be37 | 2400 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
2401 | const char *tname, const char *name) | |
1f3233d1 | 2402 | { |
2403 | struct flist *fli2; | |
1a97be37 | 2404 | |
1f3233d1 | 2405 | for (fli2 = flp; fli2; fli2 = fli2->next) |
2406 | if (fli2->started_p) | |
2407 | { | |
92570e7a | 2408 | oprintf (fli2->f, " %s\n", lastname); |
2409 | oprintf (fli2->f, "};\n\n"); | |
1f3233d1 | 2410 | } |
2411 | ||
2412 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
2413 | if (fli2->started_p) | |
2414 | { | |
2415 | lang_bitmap bitmap = get_base_file_bitmap (fli2->name); | |
2416 | int fnum; | |
2417 | ||
2418 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
2419 | if (bitmap & 1) | |
2420 | { | |
92570e7a | 2421 | oprintf (base_files[fnum], |
573aba85 | 2422 | "extern const struct %s gt_%s_", |
1f3233d1 | 2423 | tname, pfx); |
2424 | put_mangled_filename (base_files[fnum], fli2->name); | |
92570e7a | 2425 | oprintf (base_files[fnum], "[];\n"); |
1f3233d1 | 2426 | } |
2427 | } | |
1a97be37 | 2428 | |
573aba85 | 2429 | { |
2430 | size_t fnum; | |
2431 | for (fnum = 0; fnum < NUM_BASE_FILES; fnum++) | |
2432 | oprintf (base_files [fnum], | |
2433 | "const struct %s * const %s[] = {\n", | |
2434 | tname, name); | |
2435 | } | |
1a97be37 | 2436 | |
1f3233d1 | 2437 | |
2438 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
2439 | if (fli2->started_p) | |
2440 | { | |
2441 | lang_bitmap bitmap = get_base_file_bitmap (fli2->name); | |
2442 | int fnum; | |
2443 | ||
2444 | fli2->started_p = 0; | |
2445 | ||
2446 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
2447 | if (bitmap & 1) | |
2448 | { | |
573aba85 | 2449 | oprintf (base_files[fnum], " gt_%s_", pfx); |
1f3233d1 | 2450 | put_mangled_filename (base_files[fnum], fli2->name); |
92570e7a | 2451 | oprintf (base_files[fnum], ",\n"); |
1f3233d1 | 2452 | } |
2453 | } | |
2454 | ||
2455 | { | |
573aba85 | 2456 | size_t fnum; |
2457 | for (fnum = 0; fnum < NUM_BASE_FILES; fnum++) | |
2458 | { | |
2459 | oprintf (base_files[fnum], " NULL\n"); | |
2460 | oprintf (base_files[fnum], "};\n"); | |
2461 | } | |
1f3233d1 | 2462 | } |
2463 | } | |
2464 | ||
155e048d | 2465 | /* Write out to F the table entry and any marker routines needed to |
2466 | mark NAME as TYPE. The original variable is V, at LINE. | |
2467 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED | |
2468 | is nonzero iff we are building the root table for hash table caches. */ | |
2469 | ||
1f3233d1 | 2470 | static void |
1a97be37 | 2471 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
2472 | struct fileloc *line, const char *if_marked) | |
1f3233d1 | 2473 | { |
2474 | switch (type->kind) | |
2475 | { | |
2476 | case TYPE_STRUCT: | |
2477 | { | |
2478 | pair_p fld; | |
2479 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
2480 | { | |
2481 | int skip_p = 0; | |
2482 | const char *desc = NULL; | |
2483 | options_p o; | |
1a97be37 | 2484 | |
1f3233d1 | 2485 | for (o = fld->opt; o; o = o->next) |
2486 | if (strcmp (o->name, "skip") == 0) | |
2487 | skip_p = 1; | |
2488 | else if (strcmp (o->name, "desc") == 0) | |
2489 | desc = (const char *)o->info; | |
2490 | else | |
2491 | error_at_line (line, | |
2492 | "field `%s' of global `%s' has unknown option `%s'", | |
2493 | fld->name, name, o->name); | |
1a97be37 | 2494 | |
1f3233d1 | 2495 | if (skip_p) |
2496 | continue; | |
2497 | else if (desc && fld->type->kind == TYPE_UNION) | |
2498 | { | |
2499 | pair_p validf = NULL; | |
2500 | pair_p ufld; | |
1a97be37 | 2501 | |
1f3233d1 | 2502 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
2503 | { | |
2504 | const char *tag = NULL; | |
2505 | options_p oo; | |
1a97be37 | 2506 | |
1f3233d1 | 2507 | for (oo = ufld->opt; oo; oo = oo->next) |
2508 | if (strcmp (oo->name, "tag") == 0) | |
2509 | tag = (const char *)oo->info; | |
2510 | if (tag == NULL || strcmp (tag, desc) != 0) | |
2511 | continue; | |
2512 | if (validf != NULL) | |
1a97be37 | 2513 | error_at_line (line, |
1f3233d1 | 2514 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
2515 | name, fld->name, validf->name, | |
2516 | name, fld->name, ufld->name, | |
2517 | tag); | |
2518 | validf = ufld; | |
2519 | } | |
2520 | if (validf != NULL) | |
2521 | { | |
2522 | char *newname; | |
1a97be37 | 2523 | newname = xasprintf ("%s.%s.%s", |
92570e7a | 2524 | name, fld->name, validf->name); |
573aba85 | 2525 | write_root (f, v, validf->type, newname, 0, line, |
2526 | if_marked); | |
1f3233d1 | 2527 | free (newname); |
2528 | } | |
2529 | } | |
2530 | else if (desc) | |
1a97be37 | 2531 | error_at_line (line, |
1f3233d1 | 2532 | "global `%s.%s' has `desc' option but is not union", |
2533 | name, fld->name); | |
2534 | else | |
2535 | { | |
2536 | char *newname; | |
92570e7a | 2537 | newname = xasprintf ("%s.%s", name, fld->name); |
573aba85 | 2538 | write_root (f, v, fld->type, newname, 0, line, if_marked); |
1f3233d1 | 2539 | free (newname); |
2540 | } | |
2541 | } | |
2542 | } | |
2543 | break; | |
2544 | ||
2545 | case TYPE_ARRAY: | |
2546 | { | |
2547 | char *newname; | |
92570e7a | 2548 | newname = xasprintf ("%s[0]", name); |
573aba85 | 2549 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked); |
1f3233d1 | 2550 | free (newname); |
2551 | } | |
2552 | break; | |
1a97be37 | 2553 | |
1f3233d1 | 2554 | case TYPE_POINTER: |
2555 | { | |
2556 | type_p ap, tp; | |
1a97be37 | 2557 | |
92570e7a | 2558 | oprintf (f, " {\n"); |
2559 | oprintf (f, " &%s,\n", name); | |
2560 | oprintf (f, " 1"); | |
1a97be37 | 2561 | |
1f3233d1 | 2562 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
2563 | if (ap->u.a.len[0]) | |
92570e7a | 2564 | oprintf (f, " * (%s)", ap->u.a.len); |
1f3233d1 | 2565 | else if (ap == v->type) |
0480d780 | 2566 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); |
92570e7a | 2567 | oprintf (f, ",\n"); |
2568 | oprintf (f, " sizeof (%s", v->name); | |
1f3233d1 | 2569 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
92570e7a | 2570 | oprintf (f, "[0]"); |
2571 | oprintf (f, "),\n"); | |
1a97be37 | 2572 | |
1f3233d1 | 2573 | tp = type->u.p; |
1a97be37 | 2574 | |
1f3233d1 | 2575 | if (! has_length && UNION_OR_STRUCT_P (tp)) |
2576 | { | |
573aba85 | 2577 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
2578 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
1f3233d1 | 2579 | } |
2580 | else if (! has_length && tp->kind == TYPE_PARAM_STRUCT) | |
2581 | { | |
c849df63 | 2582 | oprintf (f, " >_ggc_m_"); |
2583 | output_mangled_typename (f, tp); | |
573aba85 | 2584 | oprintf (f, ",\n >_pch_n_"); |
2585 | output_mangled_typename (f, tp); | |
1f3233d1 | 2586 | } |
2587 | else if (has_length | |
e6baa273 | 2588 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
1f3233d1 | 2589 | { |
573aba85 | 2590 | oprintf (f, " >_ggc_ma_%s,\n", name); |
2591 | oprintf (f, " >_pch_na_%s", name); | |
1f3233d1 | 2592 | } |
2593 | else | |
2594 | { | |
1a97be37 | 2595 | error_at_line (line, |
1f3233d1 | 2596 | "global `%s' is pointer to unimplemented type", |
2597 | name); | |
2598 | } | |
2599 | if (if_marked) | |
92570e7a | 2600 | oprintf (f, ",\n &%s", if_marked); |
2601 | oprintf (f, "\n },\n"); | |
1f3233d1 | 2602 | } |
2603 | break; | |
2604 | ||
1f3233d1 | 2605 | case TYPE_STRING: |
573aba85 | 2606 | { |
2607 | oprintf (f, " {\n"); | |
2608 | oprintf (f, " &%s,\n", name); | |
2609 | oprintf (f, " 1, \n"); | |
2610 | oprintf (f, " sizeof (%s),\n", v->name); | |
2611 | oprintf (f, " >_ggc_m_S,\n"); | |
b41d328d | 2612 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
573aba85 | 2613 | oprintf (f, " },\n"); |
2614 | } | |
2615 | break; | |
1a97be37 | 2616 | |
573aba85 | 2617 | case TYPE_SCALAR: |
1f3233d1 | 2618 | break; |
1a97be37 | 2619 | |
1f3233d1 | 2620 | default: |
1a97be37 | 2621 | error_at_line (line, |
1f3233d1 | 2622 | "global `%s' is unimplemented type", |
2623 | name); | |
2624 | } | |
2625 | } | |
2626 | ||
573aba85 | 2627 | /* This generates a routine to walk an array. */ |
2628 | ||
2629 | static void | |
1a97be37 | 2630 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
573aba85 | 2631 | { |
2632 | struct walk_type_data d; | |
2633 | char *prevval3; | |
1a97be37 | 2634 | |
573aba85 | 2635 | memset (&d, 0, sizeof (d)); |
2636 | d.of = f; | |
2637 | d.cookie = wtd; | |
2638 | d.indent = 2; | |
2639 | d.line = &v->line; | |
2640 | d.opt = v->opt; | |
2641 | d.bitmap = get_base_file_bitmap (v->line.file); | |
2642 | d.param = NULL; | |
2643 | ||
2644 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
2645 | ||
2646 | if (wtd->param_prefix) | |
2647 | { | |
2648 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
1a97be37 | 2649 | oprintf (f, |
2650 | " (void *, void *, gt_pointer_operator, void *);\n"); | |
f82b06e0 | 2651 | oprintf (f, "static void gt_%sa_%s (void *this_obj ATTRIBUTE_UNUSED,\n", |
573aba85 | 2652 | wtd->param_prefix, v->name); |
f82b06e0 | 2653 | oprintf (d.of, " void *x_p ATTRIBUTE_UNUSED,\n"); |
2654 | oprintf (d.of, " gt_pointer_operator op ATTRIBUTE_UNUSED,\n"); | |
2655 | oprintf (d.of, " void *cookie ATTRIBUTE_UNUSED)\n"); | |
573aba85 | 2656 | oprintf (d.of, "{\n"); |
2657 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
2658 | d.process_field = write_types_local_process_field; | |
2659 | walk_type (v->type, &d); | |
2660 | oprintf (f, "}\n\n"); | |
2661 | } | |
2662 | ||
2663 | d.opt = v->opt; | |
1a97be37 | 2664 | oprintf (f, "static void gt_%sa_%s (void *);\n", |
573aba85 | 2665 | wtd->prefix, v->name); |
f82b06e0 | 2666 | oprintf (f, "static void\ngt_%sa_%s (void *x_p ATTRIBUTE_UNUSED)\n", |
573aba85 | 2667 | wtd->prefix, v->name); |
573aba85 | 2668 | oprintf (f, "{\n"); |
2669 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
2670 | d.process_field = write_types_process_field; | |
2671 | walk_type (v->type, &d); | |
2672 | free (prevval3); | |
2673 | oprintf (f, "}\n\n"); | |
2674 | } | |
2675 | ||
155e048d | 2676 | /* Output a table describing the locations and types of VARIABLES. */ |
2677 | ||
1f3233d1 | 2678 | static void |
1a97be37 | 2679 | write_roots (pair_p variables) |
1f3233d1 | 2680 | { |
2681 | pair_p v; | |
2682 | struct flist *flp = NULL; | |
2683 | ||
2684 | for (v = variables; v; v = v->next) | |
2685 | { | |
92570e7a | 2686 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 2687 | struct flist *fli; |
2688 | const char *length = NULL; | |
2689 | int deletable_p = 0; | |
2690 | options_p o; | |
2691 | ||
2692 | for (o = v->opt; o; o = o->next) | |
2693 | if (strcmp (o->name, "length") == 0) | |
2694 | length = (const char *)o->info; | |
2695 | else if (strcmp (o->name, "deletable") == 0) | |
2696 | deletable_p = 1; | |
2697 | else if (strcmp (o->name, "param_is") == 0) | |
2698 | ; | |
1a97be37 | 2699 | else if (strncmp (o->name, "param", 5) == 0 |
c849df63 | 2700 | && ISDIGIT (o->name[5]) |
2701 | && strcmp (o->name + 6, "_is") == 0) | |
2702 | ; | |
1f3233d1 | 2703 | else if (strcmp (o->name, "if_marked") == 0) |
2704 | ; | |
2705 | else | |
1a97be37 | 2706 | error_at_line (&v->line, |
1f3233d1 | 2707 | "global `%s' has unknown option `%s'", |
2708 | v->name, o->name); | |
2709 | ||
2710 | for (fli = flp; fli; fli = fli->next) | |
2711 | if (fli->f == f) | |
2712 | break; | |
2713 | if (fli == NULL) | |
2714 | { | |
2715 | fli = xmalloc (sizeof (*fli)); | |
2716 | fli->f = f; | |
2717 | fli->next = flp; | |
2718 | fli->started_p = 0; | |
2719 | fli->name = v->line.file; | |
2720 | flp = fli; | |
2721 | ||
92570e7a | 2722 | oprintf (f, "\n/* GC roots. */\n\n"); |
1f3233d1 | 2723 | } |
2724 | ||
2725 | if (! deletable_p | |
2726 | && length | |
2727 | && v->type->kind == TYPE_POINTER | |
2728 | && (v->type->u.p->kind == TYPE_POINTER | |
2729 | || v->type->u.p->kind == TYPE_STRUCT)) | |
2730 | { | |
573aba85 | 2731 | write_array (f, v, &ggc_wtd); |
2732 | write_array (f, v, &pch_wtd); | |
1f3233d1 | 2733 | } |
2734 | } | |
2735 | ||
2736 | for (v = variables; v; v = v->next) | |
2737 | { | |
92570e7a | 2738 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 2739 | struct flist *fli; |
2740 | int skip_p = 0; | |
2741 | int length_p = 0; | |
2742 | options_p o; | |
1a97be37 | 2743 | |
1f3233d1 | 2744 | for (o = v->opt; o; o = o->next) |
2745 | if (strcmp (o->name, "length") == 0) | |
2746 | length_p = 1; | |
2747 | else if (strcmp (o->name, "deletable") == 0 | |
2748 | || strcmp (o->name, "if_marked") == 0) | |
2749 | skip_p = 1; | |
2750 | ||
2751 | if (skip_p) | |
2752 | continue; | |
2753 | ||
2754 | for (fli = flp; fli; fli = fli->next) | |
2755 | if (fli->f == f) | |
2756 | break; | |
2757 | if (! fli->started_p) | |
2758 | { | |
2759 | fli->started_p = 1; | |
2760 | ||
92570e7a | 2761 | oprintf (f, "const struct ggc_root_tab gt_ggc_r_"); |
1f3233d1 | 2762 | put_mangled_filename (f, v->line.file); |
92570e7a | 2763 | oprintf (f, "[] = {\n"); |
1f3233d1 | 2764 | } |
2765 | ||
573aba85 | 2766 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); |
1f3233d1 | 2767 | } |
2768 | ||
1a97be37 | 2769 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
1f3233d1 | 2770 | "gt_ggc_rtab"); |
2771 | ||
2772 | for (v = variables; v; v = v->next) | |
2773 | { | |
92570e7a | 2774 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 2775 | struct flist *fli; |
2776 | int skip_p = 1; | |
2777 | options_p o; | |
2778 | ||
2779 | for (o = v->opt; o; o = o->next) | |
2780 | if (strcmp (o->name, "deletable") == 0) | |
2781 | skip_p = 0; | |
2782 | else if (strcmp (o->name, "if_marked") == 0) | |
2783 | skip_p = 1; | |
2784 | ||
2785 | if (skip_p) | |
2786 | continue; | |
2787 | ||
2788 | for (fli = flp; fli; fli = fli->next) | |
2789 | if (fli->f == f) | |
2790 | break; | |
2791 | if (! fli->started_p) | |
2792 | { | |
2793 | fli->started_p = 1; | |
2794 | ||
92570e7a | 2795 | oprintf (f, "const struct ggc_root_tab gt_ggc_rd_"); |
1f3233d1 | 2796 | put_mangled_filename (f, v->line.file); |
92570e7a | 2797 | oprintf (f, "[] = {\n"); |
1f3233d1 | 2798 | } |
1a97be37 | 2799 | |
573aba85 | 2800 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
1f3233d1 | 2801 | v->name, v->name); |
2802 | } | |
1a97be37 | 2803 | |
573aba85 | 2804 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
1f3233d1 | 2805 | "gt_ggc_deletable_rtab"); |
2806 | ||
2807 | for (v = variables; v; v = v->next) | |
2808 | { | |
92570e7a | 2809 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 2810 | struct flist *fli; |
2811 | const char *if_marked = NULL; | |
2812 | int length_p = 0; | |
2813 | options_p o; | |
1a97be37 | 2814 | |
1f3233d1 | 2815 | for (o = v->opt; o; o = o->next) |
2816 | if (strcmp (o->name, "length") == 0) | |
2817 | length_p = 1; | |
2818 | else if (strcmp (o->name, "if_marked") == 0) | |
2819 | if_marked = (const char *) o->info; | |
2820 | ||
2821 | if (if_marked == NULL) | |
2822 | continue; | |
2823 | ||
2824 | if (v->type->kind != TYPE_POINTER | |
2825 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
2826 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
2827 | { | |
2828 | error_at_line (&v->line, "if_marked option used but not hash table"); | |
2829 | continue; | |
2830 | } | |
2831 | ||
2832 | for (fli = flp; fli; fli = fli->next) | |
2833 | if (fli->f == f) | |
2834 | break; | |
2835 | if (! fli->started_p) | |
2836 | { | |
2837 | fli->started_p = 1; | |
2838 | ||
92570e7a | 2839 | oprintf (f, "const struct ggc_cache_tab gt_ggc_rc_"); |
1f3233d1 | 2840 | put_mangled_filename (f, v->line.file); |
92570e7a | 2841 | oprintf (f, "[] = {\n"); |
1f3233d1 | 2842 | } |
1a97be37 | 2843 | |
573aba85 | 2844 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
1f3233d1 | 2845 | v->name, length_p, &v->line, if_marked); |
2846 | } | |
1a97be37 | 2847 | |
573aba85 | 2848 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
1f3233d1 | 2849 | "gt_ggc_cache_rtab"); |
573aba85 | 2850 | |
2851 | for (v = variables; v; v = v->next) | |
2852 | { | |
2853 | outf_p f = get_output_file_with_visibility (v->line.file); | |
2854 | struct flist *fli; | |
2855 | int length_p = 0; | |
2856 | int if_marked_p = 0; | |
2857 | options_p o; | |
1a97be37 | 2858 | |
573aba85 | 2859 | for (o = v->opt; o; o = o->next) |
2860 | if (strcmp (o->name, "length") == 0) | |
2861 | length_p = 1; | |
2862 | else if (strcmp (o->name, "if_marked") == 0) | |
2863 | if_marked_p = 1; | |
2864 | ||
2865 | if (! if_marked_p) | |
2866 | continue; | |
2867 | ||
2868 | for (fli = flp; fli; fli = fli->next) | |
2869 | if (fli->f == f) | |
2870 | break; | |
2871 | if (! fli->started_p) | |
2872 | { | |
2873 | fli->started_p = 1; | |
2874 | ||
2875 | oprintf (f, "const struct ggc_root_tab gt_pch_rc_"); | |
2876 | put_mangled_filename (f, v->line.file); | |
2877 | oprintf (f, "[] = {\n"); | |
2878 | } | |
2879 | ||
2880 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); | |
2881 | } | |
1a97be37 | 2882 | |
573aba85 | 2883 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
2884 | "gt_pch_cache_rtab"); | |
2885 | ||
2886 | for (v = variables; v; v = v->next) | |
2887 | { | |
2888 | outf_p f = get_output_file_with_visibility (v->line.file); | |
2889 | struct flist *fli; | |
2890 | int skip_p = 0; | |
2891 | options_p o; | |
2892 | ||
2893 | for (o = v->opt; o; o = o->next) | |
2894 | if (strcmp (o->name, "deletable") == 0 | |
2895 | || strcmp (o->name, "if_marked") == 0) | |
2896 | skip_p = 1; | |
2897 | ||
2898 | if (skip_p) | |
2899 | continue; | |
2900 | ||
2901 | if (! contains_scalar_p (v->type)) | |
2902 | continue; | |
2903 | ||
2904 | for (fli = flp; fli; fli = fli->next) | |
2905 | if (fli->f == f) | |
2906 | break; | |
2907 | if (! fli->started_p) | |
2908 | { | |
2909 | fli->started_p = 1; | |
2910 | ||
2911 | oprintf (f, "const struct ggc_root_tab gt_pch_rs_"); | |
2912 | put_mangled_filename (f, v->line.file); | |
2913 | oprintf (f, "[] = {\n"); | |
2914 | } | |
1a97be37 | 2915 | |
573aba85 | 2916 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
2917 | v->name, v->name); | |
2918 | } | |
1a97be37 | 2919 | |
573aba85 | 2920 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
2921 | "gt_pch_scalar_rtab"); | |
1f3233d1 | 2922 | } |
2923 | ||
2924 | \f | |
1a97be37 | 2925 | extern int main (int argc, char **argv); |
2926 | int | |
2927 | main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) | |
1f3233d1 | 2928 | { |
776c30b8 | 2929 | unsigned i; |
1f3233d1 | 2930 | static struct fileloc pos = { __FILE__, __LINE__ }; |
776c30b8 | 2931 | unsigned j; |
1a97be37 | 2932 | |
c849df63 | 2933 | gen_rtx_next (); |
2934 | ||
776c30b8 | 2935 | srcdir_len = strlen (srcdir); |
1f3233d1 | 2936 | |
c849df63 | 2937 | do_scalar_typedef ("CUMULATIVE_ARGS", &pos); |
2938 | do_scalar_typedef ("REAL_VALUE_TYPE", &pos); | |
2939 | do_scalar_typedef ("uint8", &pos); | |
2940 | do_scalar_typedef ("jword", &pos); | |
2941 | do_scalar_typedef ("JCF_u2", &pos); | |
512e0fec | 2942 | #ifdef USE_MAPPED_LOCATION |
2943 | do_scalar_typedef ("location_t", &pos); | |
2944 | do_scalar_typedef ("source_locus", &pos); | |
2945 | #endif | |
5496dbfc | 2946 | do_scalar_typedef ("void", &pos); |
2947 | ||
2948 | do_typedef ("PTR", create_pointer (resolve_typedef ("void", &pos)), &pos); | |
c849df63 | 2949 | |
cb5c5698 | 2950 | do_typedef ("HARD_REG_SET", create_array ( |
2951 | create_scalar_type ("unsigned long", strlen ("unsigned long")), | |
2952 | "2"), &pos); | |
2953 | ||
776c30b8 | 2954 | for (i = 0; i < NUM_GT_FILES; i++) |
2955 | { | |
2956 | int dupflag = 0; | |
2957 | /* Omit if already seen. */ | |
2958 | for (j = 0; j < i; j++) | |
2959 | { | |
2960 | if (!strcmp (all_files[i], all_files[j])) | |
2961 | { | |
2962 | dupflag = 1; | |
2963 | break; | |
2964 | } | |
2965 | } | |
2966 | if (!dupflag) | |
2967 | parse_file (all_files[i]); | |
512e0fec | 2968 | #ifndef USE_MAPPED_LOCATION |
2969 | /* temporary kludge - gengtype doesn't handle conditionals. | |
2970 | Manually add source_locus *after* we've processed input.h. */ | |
2971 | if (i == 0) | |
2972 | do_typedef ("source_locus", create_pointer (resolve_typedef ("location_t", &pos)), &pos); | |
2973 | #endif | |
776c30b8 | 2974 | } |
1f3233d1 | 2975 | |
2976 | if (hit_error != 0) | |
2977 | exit (1); | |
2978 | ||
2979 | set_gc_used (variables); | |
2980 | ||
2981 | open_base_files (); | |
c849df63 | 2982 | write_enum_defn (structures, param_structs); |
573aba85 | 2983 | write_types (structures, param_structs, &ggc_wtd); |
2984 | write_types (structures, param_structs, &pch_wtd); | |
2985 | write_local (structures, param_structs); | |
2986 | write_roots (variables); | |
c849df63 | 2987 | write_rtx_next (); |
1f3233d1 | 2988 | close_output_files (); |
2989 | ||
2990 | return (hit_error != 0); | |
2991 | } |