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Commit | Line | Data |
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e2500fed | 1 | /* Process source files and output type information. |
084087e1 | 2 | Copyright (C) 2002, 2003 Free Software Foundation, Inc. |
e2500fed GK |
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 | ||
4977bab6 | 21 | #include "bconfig.h" |
e2500fed | 22 | #include "system.h" |
4977bab6 ZW |
23 | #include "coretypes.h" |
24 | #include "tm.h" | |
e2500fed | 25 | #include "gengtype.h" |
8ac9d31f | 26 | #include "gtyp-gen.h" |
e2500fed | 27 | |
5ba6918e GK |
28 | #define NO_GENRTL_H |
29 | #include "rtl.h" | |
30 | #undef abort | |
31 | ||
9f313342 | 32 | /* Nonzero iff an error has occurred. */ |
e2500fed | 33 | static int hit_error = 0; |
9f313342 | 34 | |
3d7aafde AJ |
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); | |
ef171ead | 39 | |
9f313342 GK |
40 | /* Report an error at POS, printing MSG. */ |
41 | ||
e2500fed | 42 | void |
e34d07f2 | 43 | error_at_line (struct fileloc *pos, const char *msg, ...) |
e2500fed | 44 | { |
e34d07f2 | 45 | va_list ap; |
3d7aafde | 46 | |
e34d07f2 | 47 | va_start (ap, msg); |
e2500fed GK |
48 | |
49 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
50 | vfprintf (stderr, msg, ap); | |
51 | fputc ('\n', stderr); | |
52 | hit_error = 1; | |
53 | ||
e34d07f2 | 54 | va_end (ap); |
e2500fed GK |
55 | } |
56 | ||
e03856fe GK |
57 | /* vasprintf, but produces fatal message on out-of-memory. */ |
58 | int | |
3d7aafde | 59 | xvasprintf (char **result, const char *format, va_list args) |
e03856fe GK |
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 * | |
e34d07f2 | 72 | xasprintf (const char *format, ...) |
e03856fe GK |
73 | { |
74 | char *result; | |
e34d07f2 | 75 | va_list ap; |
3d7aafde | 76 | |
e34d07f2 | 77 | va_start (ap, format); |
e03856fe | 78 | xvasprintf (&result, format, ap); |
e34d07f2 | 79 | va_end (ap); |
e03856fe GK |
80 | return result; |
81 | } | |
82 | ||
9f313342 GK |
83 | /* The one and only TYPE_STRING. */ |
84 | ||
e2500fed GK |
85 | struct type string_type = { |
86 | TYPE_STRING, NULL, NULL, GC_USED | |
87 | UNION_INIT_ZERO | |
3d7aafde | 88 | }; |
e2500fed | 89 | |
9f313342 GK |
90 | /* Lists of various things. */ |
91 | ||
e2500fed GK |
92 | static pair_p typedefs; |
93 | static type_p structures; | |
94 | static type_p param_structs; | |
95 | static pair_p variables; | |
96 | ||
3d7aafde AJ |
97 | static void do_scalar_typedef (const char *, struct fileloc *); |
98 | static type_p find_param_structure | |
99 | (type_p t, type_p param[NUM_PARAM]); | |
100 | static type_p adjust_field_tree_exp (type_p t, options_p opt); | |
101 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
36a5eadd | 102 | |
9f313342 GK |
103 | /* Define S as a typedef to T at POS. */ |
104 | ||
e2500fed | 105 | void |
3d7aafde | 106 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
e2500fed GK |
107 | { |
108 | pair_p p; | |
109 | ||
110 | for (p = typedefs; p != NULL; p = p->next) | |
111 | if (strcmp (p->name, s) == 0) | |
112 | { | |
113 | if (p->type != t) | |
114 | { | |
115 | error_at_line (pos, "type `%s' previously defined", s); | |
116 | error_at_line (&p->line, "previously defined here"); | |
117 | } | |
118 | return; | |
119 | } | |
120 | ||
121 | p = xmalloc (sizeof (struct pair)); | |
122 | p->next = typedefs; | |
123 | p->name = s; | |
124 | p->type = t; | |
125 | p->line = *pos; | |
126 | typedefs = p; | |
127 | } | |
128 | ||
36a5eadd GK |
129 | /* Define S as a typename of a scalar. */ |
130 | ||
131 | static void | |
3d7aafde | 132 | do_scalar_typedef (const char *s, struct fileloc *pos) |
36a5eadd GK |
133 | { |
134 | do_typedef (s, create_scalar_type (s, strlen (s)), pos); | |
135 | } | |
136 | ||
e34bb004 | 137 | /* Return the type previously defined for S. Use POS to report errors. */ |
9f313342 | 138 | |
e2500fed | 139 | type_p |
3d7aafde | 140 | resolve_typedef (const char *s, struct fileloc *pos) |
e2500fed GK |
141 | { |
142 | pair_p p; | |
143 | for (p = typedefs; p != NULL; p = p->next) | |
144 | if (strcmp (p->name, s) == 0) | |
145 | return p->type; | |
146 | error_at_line (pos, "unidentified type `%s'", s); | |
147 | return create_scalar_type ("char", 4); | |
148 | } | |
149 | ||
9f313342 GK |
150 | /* Create a new structure with tag NAME (or a union iff ISUNION is nonzero), |
151 | at POS with fields FIELDS and options O. */ | |
152 | ||
e2500fed | 153 | void |
3d7aafde AJ |
154 | new_structure (const char *name, int isunion, struct fileloc *pos, |
155 | pair_p fields, options_p o) | |
e2500fed GK |
156 | { |
157 | type_p si; | |
158 | type_p s = NULL; | |
159 | lang_bitmap bitmap = get_base_file_bitmap (pos->file); | |
160 | ||
161 | for (si = structures; si != NULL; si = si->next) | |
3d7aafde | 162 | if (strcmp (name, si->u.s.tag) == 0 |
e2500fed GK |
163 | && UNION_P (si) == isunion) |
164 | { | |
165 | type_p ls = NULL; | |
166 | if (si->kind == TYPE_LANG_STRUCT) | |
167 | { | |
168 | ls = si; | |
3d7aafde | 169 | |
e2500fed GK |
170 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
171 | if (si->u.s.bitmap == bitmap) | |
172 | s = si; | |
173 | } | |
174 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
175 | { | |
176 | ls = si; | |
177 | si = xcalloc (1, sizeof (struct type)); | |
178 | memcpy (si, ls, sizeof (struct type)); | |
179 | ls->kind = TYPE_LANG_STRUCT; | |
180 | ls->u.s.lang_struct = si; | |
181 | ls->u.s.fields = NULL; | |
182 | si->next = NULL; | |
183 | si->pointer_to = NULL; | |
184 | si->u.s.lang_struct = ls; | |
185 | } | |
186 | else | |
187 | s = si; | |
188 | ||
189 | if (ls != NULL && s == NULL) | |
190 | { | |
191 | s = xcalloc (1, sizeof (struct type)); | |
192 | s->next = ls->u.s.lang_struct; | |
193 | ls->u.s.lang_struct = s; | |
194 | s->u.s.lang_struct = ls; | |
195 | } | |
196 | break; | |
197 | } | |
3d7aafde | 198 | |
e2500fed GK |
199 | if (s == NULL) |
200 | { | |
201 | s = xcalloc (1, sizeof (struct type)); | |
202 | s->next = structures; | |
203 | structures = s; | |
204 | } | |
205 | ||
206 | if (s->u.s.line.file != NULL | |
207 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
208 | { | |
209 | error_at_line (pos, "duplicate structure definition"); | |
210 | error_at_line (&s->u.s.line, "previous definition here"); | |
211 | } | |
212 | ||
213 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
214 | s->u.s.tag = name; | |
215 | s->u.s.line = *pos; | |
216 | s->u.s.fields = fields; | |
217 | s->u.s.opt = o; | |
218 | s->u.s.bitmap = bitmap; | |
219 | if (s->u.s.lang_struct) | |
220 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
221 | } | |
222 | ||
9f313342 GK |
223 | /* Return the previously-defined structure with tag NAME (or a union |
224 | iff ISUNION is nonzero), or a new empty structure or union if none | |
225 | was defined previously. */ | |
226 | ||
e2500fed | 227 | type_p |
3d7aafde | 228 | find_structure (const char *name, int isunion) |
e2500fed GK |
229 | { |
230 | type_p s; | |
231 | ||
232 | for (s = structures; s != NULL; s = s->next) | |
3d7aafde | 233 | if (strcmp (name, s->u.s.tag) == 0 |
e2500fed GK |
234 | && UNION_P (s) == isunion) |
235 | return s; | |
236 | ||
237 | s = xcalloc (1, sizeof (struct type)); | |
238 | s->next = structures; | |
239 | structures = s; | |
240 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
241 | s->u.s.tag = name; | |
242 | structures = s; | |
243 | return s; | |
244 | } | |
245 | ||
272d0bee KH |
246 | /* Return the previously-defined parameterized structure for structure |
247 | T and parameters PARAM, or a new parameterized empty structure or | |
991b6592 | 248 | union if none was defined previously. */ |
36a5eadd GK |
249 | |
250 | static type_p | |
3d7aafde | 251 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
36a5eadd GK |
252 | { |
253 | type_p res; | |
3d7aafde | 254 | |
36a5eadd GK |
255 | for (res = param_structs; res; res = res->next) |
256 | if (res->u.param_struct.stru == t | |
3d7aafde | 257 | && memcmp (res->u.param_struct.param, param, |
36a5eadd GK |
258 | sizeof (type_p) * NUM_PARAM) == 0) |
259 | break; | |
260 | if (res == NULL) | |
261 | { | |
262 | res = xcalloc (1, sizeof (*res)); | |
263 | res->kind = TYPE_PARAM_STRUCT; | |
264 | res->next = param_structs; | |
265 | param_structs = res; | |
266 | res->u.param_struct.stru = t; | |
267 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
268 | } | |
269 | return res; | |
270 | } | |
271 | ||
9f313342 GK |
272 | /* Return a scalar type with name NAME. */ |
273 | ||
e2500fed | 274 | type_p |
3d7aafde | 275 | create_scalar_type (const char *name, size_t name_len) |
e2500fed GK |
276 | { |
277 | type_p r = xcalloc (1, sizeof (struct type)); | |
278 | r->kind = TYPE_SCALAR; | |
279 | r->u.sc = xmemdup (name, name_len, name_len + 1); | |
280 | return r; | |
281 | } | |
282 | ||
9f313342 GK |
283 | /* Return a pointer to T. */ |
284 | ||
e2500fed | 285 | type_p |
3d7aafde | 286 | create_pointer (type_p t) |
e2500fed GK |
287 | { |
288 | if (! t->pointer_to) | |
289 | { | |
290 | type_p r = xcalloc (1, sizeof (struct type)); | |
291 | r->kind = TYPE_POINTER; | |
292 | r->u.p = t; | |
293 | t->pointer_to = r; | |
294 | } | |
295 | return t->pointer_to; | |
296 | } | |
297 | ||
9f313342 GK |
298 | /* Return an array of length LEN. */ |
299 | ||
e2500fed | 300 | type_p |
3d7aafde | 301 | create_array (type_p t, const char *len) |
e2500fed GK |
302 | { |
303 | type_p v; | |
3d7aafde | 304 | |
e2500fed GK |
305 | v = xcalloc (1, sizeof (*v)); |
306 | v->kind = TYPE_ARRAY; | |
307 | v->u.a.p = t; | |
308 | v->u.a.len = len; | |
309 | return v; | |
310 | } | |
311 | ||
36a5eadd GK |
312 | /* Add a variable named S of type T with options O defined at POS, |
313 | to `variables'. */ | |
314 | ||
315 | void | |
3d7aafde | 316 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
36a5eadd GK |
317 | { |
318 | pair_p n; | |
319 | n = xmalloc (sizeof (*n)); | |
320 | n->name = s; | |
321 | n->type = t; | |
322 | n->line = *pos; | |
323 | n->opt = o; | |
324 | n->next = variables; | |
325 | variables = n; | |
326 | } | |
327 | ||
36a5eadd GK |
328 | /* We really don't care how long a CONST_DOUBLE is. */ |
329 | #define CONST_DOUBLE_FORMAT "ww" | |
5ba6918e | 330 | const char * const rtx_format[NUM_RTX_CODE] = { |
36a5eadd GK |
331 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
332 | #include "rtl.def" | |
333 | #undef DEF_RTL_EXPR | |
334 | }; | |
335 | ||
5ba6918e | 336 | static int rtx_next_new[NUM_RTX_CODE]; |
36a5eadd GK |
337 | |
338 | /* Generate the contents of the rtx_next array. This really doesn't belong | |
339 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
340 | ||
341 | static void | |
3d7aafde | 342 | gen_rtx_next (void) |
36a5eadd GK |
343 | { |
344 | int i; | |
345 | for (i = 0; i < NUM_RTX_CODE; i++) | |
346 | { | |
347 | int k; | |
3d7aafde | 348 | |
5ba6918e | 349 | rtx_next_new[i] = -1; |
36a5eadd | 350 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
5ba6918e | 351 | rtx_next_new[i] = 2; |
36a5eadd | 352 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
5ba6918e | 353 | rtx_next_new[i] = 1; |
3d7aafde | 354 | else |
36a5eadd GK |
355 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
356 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
5ba6918e | 357 | rtx_next_new[i] = k; |
36a5eadd GK |
358 | } |
359 | } | |
360 | ||
361 | /* Write out the contents of the rtx_next array. */ | |
362 | static void | |
3d7aafde | 363 | write_rtx_next (void) |
36a5eadd GK |
364 | { |
365 | outf_p f = get_output_file_with_visibility (NULL); | |
366 | int i; | |
3d7aafde | 367 | |
36a5eadd GK |
368 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
369 | oprintf (f, "const unsigned char rtx_next[NUM_RTX_CODE] = {\n"); | |
370 | for (i = 0; i < NUM_RTX_CODE; i++) | |
5ba6918e | 371 | if (rtx_next_new[i] == -1) |
36a5eadd GK |
372 | oprintf (f, " 0,\n"); |
373 | else | |
3d7aafde | 374 | oprintf (f, |
36a5eadd | 375 | " offsetof (struct rtx_def, fld) + %d * sizeof (rtunion),\n", |
5ba6918e | 376 | rtx_next_new[i]); |
36a5eadd GK |
377 | oprintf (f, "};\n"); |
378 | } | |
379 | ||
380 | /* Handle `special("rtx_def")'. This is a special case for field | |
381 | `fld' of struct rtx_def, which is an array of unions whose values | |
382 | are based in a complex way on the type of RTL. */ | |
383 | ||
384 | static type_p | |
3d7aafde | 385 | adjust_field_rtx_def (type_p t, options_p opt ATTRIBUTE_UNUSED) |
36a5eadd GK |
386 | { |
387 | pair_p flds = NULL; | |
388 | options_p nodot; | |
389 | int i; | |
390 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
a560d4d4 | 391 | type_p bitmap_tp, basic_block_tp, reg_attrs_tp; |
36a5eadd GK |
392 | |
393 | static const char * const rtx_name[NUM_RTX_CODE] = { | |
394 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , | |
395 | #include "rtl.def" | |
396 | #undef DEF_RTL_EXPR | |
397 | }; | |
3d7aafde | 398 | |
36a5eadd GK |
399 | if (t->kind != TYPE_ARRAY) |
400 | { | |
3d7aafde | 401 | error_at_line (&lexer_line, |
36a5eadd GK |
402 | "special `rtx_def' must be applied to an array"); |
403 | return &string_type; | |
404 | } | |
3d7aafde | 405 | |
36a5eadd GK |
406 | nodot = xmalloc (sizeof (*nodot)); |
407 | nodot->next = NULL; | |
408 | nodot->name = "dot"; | |
409 | nodot->info = ""; | |
410 | ||
411 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
412 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
413 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
414 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
a560d4d4 | 415 | reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0)); |
36a5eadd GK |
416 | bitmap_tp = create_pointer (find_structure ("bitmap_element_def", 0)); |
417 | basic_block_tp = create_pointer (find_structure ("basic_block_def", 0)); | |
418 | scalar_tp = create_scalar_type ("rtunion scalar", 14); | |
419 | ||
420 | { | |
421 | pair_p note_flds = NULL; | |
422 | int c; | |
5ba6918e GK |
423 | |
424 | for (c = NOTE_INSN_BIAS; c <= NOTE_INSN_MAX; c++) | |
36a5eadd GK |
425 | { |
426 | pair_p old_note_flds = note_flds; | |
3d7aafde | 427 | |
36a5eadd GK |
428 | note_flds = xmalloc (sizeof (*note_flds)); |
429 | note_flds->line.file = __FILE__; | |
430 | note_flds->line.line = __LINE__; | |
36a5eadd GK |
431 | note_flds->opt = xmalloc (sizeof (*note_flds->opt)); |
432 | note_flds->opt->next = nodot; | |
433 | note_flds->opt->name = "tag"; | |
5ba6918e | 434 | note_flds->opt->info = xasprintf ("%d", c); |
36a5eadd | 435 | note_flds->next = old_note_flds; |
5ba6918e GK |
436 | |
437 | switch (c) | |
438 | { | |
439 | /* NOTE_INSN_MAX is used as the default field for line | |
440 | number notes. */ | |
441 | case NOTE_INSN_MAX: | |
442 | note_flds->opt->name = "default"; | |
443 | note_flds->name = "rtstr"; | |
444 | note_flds->type = &string_type; | |
445 | break; | |
446 | ||
447 | case NOTE_INSN_BLOCK_BEG: | |
448 | case NOTE_INSN_BLOCK_END: | |
449 | note_flds->name = "rttree"; | |
450 | note_flds->type = tree_tp; | |
451 | break; | |
3d7aafde | 452 | |
5ba6918e GK |
453 | case NOTE_INSN_EXPECTED_VALUE: |
454 | note_flds->name = "rtx"; | |
455 | note_flds->type = rtx_tp; | |
456 | break; | |
457 | ||
458 | default: | |
459 | note_flds->name = "rtint"; | |
460 | note_flds->type = scalar_tp; | |
461 | break; | |
462 | } | |
36a5eadd | 463 | } |
36a5eadd GK |
464 | new_structure ("rtx_def_note_subunion", 1, &lexer_line, note_flds, NULL); |
465 | } | |
3d7aafde | 466 | |
36a5eadd GK |
467 | note_union_tp = find_structure ("rtx_def_note_subunion", 1); |
468 | ||
469 | for (i = 0; i < NUM_RTX_CODE; i++) | |
470 | { | |
471 | pair_p old_flds = flds; | |
472 | pair_p subfields = NULL; | |
473 | size_t aindex, nmindex; | |
474 | const char *sname; | |
475 | char *ftag; | |
476 | ||
477 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
478 | { | |
479 | pair_p old_subf = subfields; | |
480 | type_p t; | |
481 | const char *subname; | |
482 | ||
483 | switch (rtx_format[i][aindex]) | |
484 | { | |
485 | case '*': | |
486 | case 'i': | |
487 | case 'n': | |
488 | case 'w': | |
489 | t = scalar_tp; | |
490 | subname = "rtint"; | |
491 | break; | |
492 | ||
493 | case '0': | |
494 | if (i == MEM && aindex == 1) | |
495 | t = mem_attrs_tp, subname = "rtmem"; | |
496 | else if (i == JUMP_INSN && aindex == 9) | |
497 | t = rtx_tp, subname = "rtx"; | |
498 | else if (i == CODE_LABEL && aindex == 4) | |
499 | t = scalar_tp, subname = "rtint"; | |
500 | else if (i == CODE_LABEL && aindex == 5) | |
501 | t = rtx_tp, subname = "rtx"; | |
502 | else if (i == LABEL_REF | |
503 | && (aindex == 1 || aindex == 2)) | |
504 | t = rtx_tp, subname = "rtx"; | |
505 | else if (i == NOTE && aindex == 4) | |
506 | t = note_union_tp, subname = ""; | |
507 | else if (i == NOTE && aindex >= 7) | |
508 | t = scalar_tp, subname = "rtint"; | |
509 | else if (i == ADDR_DIFF_VEC && aindex == 4) | |
510 | t = scalar_tp, subname = "rtint"; | |
511 | else if (i == VALUE && aindex == 0) | |
512 | t = scalar_tp, subname = "rtint"; | |
513 | else if (i == REG && aindex == 1) | |
514 | t = scalar_tp, subname = "rtint"; | |
a560d4d4 JH |
515 | else if (i == REG && aindex == 2) |
516 | t = reg_attrs_tp, subname = "rtreg"; | |
36a5eadd GK |
517 | else if (i == SCRATCH && aindex == 0) |
518 | t = scalar_tp, subname = "rtint"; | |
52859c77 RH |
519 | else if (i == SYMBOL_REF && aindex == 1) |
520 | t = scalar_tp, subname = "rtint"; | |
521 | else if (i == SYMBOL_REF && aindex == 2) | |
522 | t = tree_tp, subname = "rttree"; | |
36a5eadd GK |
523 | else if (i == BARRIER && aindex >= 3) |
524 | t = scalar_tp, subname = "rtint"; | |
525 | else | |
526 | { | |
3d7aafde | 527 | error_at_line (&lexer_line, |
6d8dd940 AJ |
528 | "rtx type `%s' has `0' in position %lu, can't handle", |
529 | rtx_name[i], (unsigned long) aindex); | |
36a5eadd GK |
530 | t = &string_type; |
531 | subname = "rtint"; | |
532 | } | |
533 | break; | |
3d7aafde | 534 | |
36a5eadd GK |
535 | case 's': |
536 | case 'S': | |
537 | case 'T': | |
538 | t = &string_type; | |
539 | subname = "rtstr"; | |
540 | break; | |
541 | ||
542 | case 'e': | |
543 | case 'u': | |
544 | t = rtx_tp; | |
545 | subname = "rtx"; | |
546 | break; | |
547 | ||
548 | case 'E': | |
549 | case 'V': | |
550 | t = rtvec_tp; | |
551 | subname = "rtvec"; | |
552 | break; | |
553 | ||
554 | case 't': | |
555 | t = tree_tp; | |
556 | subname = "rttree"; | |
557 | break; | |
558 | ||
559 | case 'b': | |
560 | t = bitmap_tp; | |
561 | subname = "rtbit"; | |
562 | break; | |
563 | ||
564 | case 'B': | |
565 | t = basic_block_tp; | |
566 | subname = "bb"; | |
567 | break; | |
568 | ||
569 | default: | |
3d7aafde | 570 | error_at_line (&lexer_line, |
6d8dd940 | 571 | "rtx type `%s' has `%c' in position %lu, can't handle", |
36a5eadd | 572 | rtx_name[i], rtx_format[i][aindex], |
6d8dd940 | 573 | (unsigned long)aindex); |
36a5eadd GK |
574 | t = &string_type; |
575 | subname = "rtint"; | |
576 | break; | |
577 | } | |
578 | ||
579 | subfields = xmalloc (sizeof (*subfields)); | |
580 | subfields->next = old_subf; | |
581 | subfields->type = t; | |
6d8dd940 AJ |
582 | subfields->name = xasprintf ("[%lu].%s", (unsigned long)aindex, |
583 | subname); | |
36a5eadd GK |
584 | subfields->line.file = __FILE__; |
585 | subfields->line.line = __LINE__; | |
586 | if (t == note_union_tp) | |
587 | { | |
588 | subfields->opt = xmalloc (sizeof (*subfields->opt)); | |
589 | subfields->opt->next = nodot; | |
590 | subfields->opt->name = "desc"; | |
591 | subfields->opt->info = "NOTE_LINE_NUMBER (&%0)"; | |
592 | } | |
593 | else if (t == basic_block_tp) | |
594 | { | |
991b6592 | 595 | /* We don't presently GC basic block structures... */ |
36a5eadd GK |
596 | subfields->opt = xmalloc (sizeof (*subfields->opt)); |
597 | subfields->opt->next = nodot; | |
598 | subfields->opt->name = "skip"; | |
599 | subfields->opt->info = NULL; | |
600 | } | |
36a5eadd GK |
601 | else |
602 | subfields->opt = nodot; | |
603 | } | |
604 | ||
605 | flds = xmalloc (sizeof (*flds)); | |
606 | flds->next = old_flds; | |
607 | flds->name = ""; | |
608 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); | |
609 | new_structure (sname, 0, &lexer_line, subfields, NULL); | |
610 | flds->type = find_structure (sname, 0); | |
611 | flds->line.file = __FILE__; | |
612 | flds->line.line = __LINE__; | |
613 | flds->opt = xmalloc (sizeof (*flds->opt)); | |
614 | flds->opt->next = nodot; | |
615 | flds->opt->name = "tag"; | |
616 | ftag = xstrdup (rtx_name[i]); | |
617 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
618 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
619 | flds->opt->info = ftag; | |
620 | } | |
621 | ||
622 | new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); | |
623 | return find_structure ("rtx_def_subunion", 1); | |
624 | } | |
625 | ||
626 | /* Handle `special("tree_exp")'. This is a special case for | |
627 | field `operands' of struct tree_exp, which although it claims to contain | |
3d7aafde | 628 | pointers to trees, actually sometimes contains pointers to RTL too. |
36a5eadd GK |
629 | Passed T, the old type of the field, and OPT its options. Returns |
630 | a new type for the field. */ | |
631 | ||
632 | static type_p | |
3d7aafde | 633 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
36a5eadd GK |
634 | { |
635 | pair_p flds; | |
636 | options_p nodot; | |
637 | size_t i; | |
638 | static const struct { | |
639 | const char *name; | |
640 | int first_rtl; | |
641 | int num_rtl; | |
642 | } data[] = { | |
643 | { "SAVE_EXPR", 2, 1 }, | |
644 | { "GOTO_SUBROUTINE_EXPR", 0, 2 }, | |
645 | { "RTL_EXPR", 0, 2 }, | |
646 | { "WITH_CLEANUP_EXPR", 2, 1 }, | |
647 | { "METHOD_CALL_EXPR", 3, 1 } | |
648 | }; | |
3d7aafde | 649 | |
36a5eadd GK |
650 | if (t->kind != TYPE_ARRAY) |
651 | { | |
3d7aafde | 652 | error_at_line (&lexer_line, |
36a5eadd GK |
653 | "special `tree_exp' must be applied to an array"); |
654 | return &string_type; | |
655 | } | |
3d7aafde | 656 | |
36a5eadd GK |
657 | nodot = xmalloc (sizeof (*nodot)); |
658 | nodot->next = NULL; | |
659 | nodot->name = "dot"; | |
660 | nodot->info = ""; | |
661 | ||
662 | flds = xmalloc (sizeof (*flds)); | |
663 | flds->next = NULL; | |
664 | flds->name = ""; | |
665 | flds->type = t; | |
666 | flds->line.file = __FILE__; | |
667 | flds->line.line = __LINE__; | |
668 | flds->opt = xmalloc (sizeof (*flds->opt)); | |
669 | flds->opt->next = nodot; | |
670 | flds->opt->name = "length"; | |
671 | flds->opt->info = "TREE_CODE_LENGTH (TREE_CODE ((tree) &%0))"; | |
672 | { | |
673 | options_p oldopt = flds->opt; | |
674 | flds->opt = xmalloc (sizeof (*flds->opt)); | |
675 | flds->opt->next = oldopt; | |
676 | flds->opt->name = "default"; | |
677 | flds->opt->info = ""; | |
678 | } | |
3d7aafde | 679 | |
36a5eadd GK |
680 | for (i = 0; i < ARRAY_SIZE (data); i++) |
681 | { | |
682 | pair_p old_flds = flds; | |
683 | pair_p subfields = NULL; | |
684 | int r_index; | |
685 | const char *sname; | |
3d7aafde AJ |
686 | |
687 | for (r_index = 0; | |
688 | r_index < data[i].first_rtl + data[i].num_rtl; | |
36a5eadd GK |
689 | r_index++) |
690 | { | |
691 | pair_p old_subf = subfields; | |
692 | subfields = xmalloc (sizeof (*subfields)); | |
693 | subfields->next = old_subf; | |
694 | subfields->name = xasprintf ("[%d]", r_index); | |
695 | if (r_index < data[i].first_rtl) | |
696 | subfields->type = t->u.a.p; | |
697 | else | |
698 | subfields->type = create_pointer (find_structure ("rtx_def", 0)); | |
699 | subfields->line.file = __FILE__; | |
700 | subfields->line.line = __LINE__; | |
701 | subfields->opt = nodot; | |
702 | } | |
703 | ||
704 | flds = xmalloc (sizeof (*flds)); | |
705 | flds->next = old_flds; | |
706 | flds->name = ""; | |
707 | sname = xasprintf ("tree_exp_%s", data[i].name); | |
708 | new_structure (sname, 0, &lexer_line, subfields, NULL); | |
709 | flds->type = find_structure (sname, 0); | |
710 | flds->line.file = __FILE__; | |
711 | flds->line.line = __LINE__; | |
712 | flds->opt = xmalloc (sizeof (*flds->opt)); | |
713 | flds->opt->next = nodot; | |
714 | flds->opt->name = "tag"; | |
715 | flds->opt->info = data[i].name; | |
716 | } | |
717 | ||
718 | new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); | |
719 | return find_structure ("tree_exp_subunion", 1); | |
720 | } | |
721 | ||
9f313342 GK |
722 | /* Perform any special processing on a type T, about to become the type |
723 | of a field. Return the appropriate type for the field. | |
724 | At present: | |
725 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
726 | - Similarly for arrays of pointer-to-char; | |
727 | - Converts structures for which a parameter is provided to | |
36a5eadd GK |
728 | TYPE_PARAM_STRUCT; |
729 | - Handles "special" options. | |
3d7aafde | 730 | */ |
9f313342 | 731 | |
e2500fed | 732 | type_p |
3d7aafde | 733 | adjust_field_type (type_p t, options_p opt) |
e2500fed GK |
734 | { |
735 | int length_p = 0; | |
736 | const int pointer_p = t->kind == TYPE_POINTER; | |
36a5eadd GK |
737 | type_p params[NUM_PARAM]; |
738 | int params_p = 0; | |
739 | int i; | |
740 | ||
741 | for (i = 0; i < NUM_PARAM; i++) | |
742 | params[i] = NULL; | |
3d7aafde | 743 | |
e2500fed GK |
744 | for (; opt; opt = opt->next) |
745 | if (strcmp (opt->name, "length") == 0) | |
746 | length_p = 1; | |
36a5eadd GK |
747 | else if (strcmp (opt->name, "param_is") == 0 |
748 | || (strncmp (opt->name, "param", 5) == 0 | |
749 | && ISDIGIT (opt->name[5]) | |
750 | && strcmp (opt->name + 6, "_is") == 0)) | |
e2500fed | 751 | { |
36a5eadd | 752 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
e2500fed | 753 | |
36a5eadd GK |
754 | if (! UNION_OR_STRUCT_P (t) |
755 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) | |
756 | { | |
3d7aafde | 757 | error_at_line (&lexer_line, |
36a5eadd GK |
758 | "option `%s' may only be applied to structures or structure pointers", |
759 | opt->name); | |
760 | return t; | |
761 | } | |
762 | ||
763 | params_p = 1; | |
764 | if (params[num] != NULL) | |
765 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
766 | if (! ISDIGIT (opt->name[5])) | |
767 | params[num] = create_pointer ((type_p) opt->info); | |
768 | else | |
769 | params[num] = (type_p) opt->info; | |
e2500fed | 770 | } |
36a5eadd GK |
771 | else if (strcmp (opt->name, "special") == 0) |
772 | { | |
773 | const char *special_name = (const char *)opt->info; | |
774 | if (strcmp (special_name, "tree_exp") == 0) | |
775 | t = adjust_field_tree_exp (t, opt); | |
776 | else if (strcmp (special_name, "rtx_def") == 0) | |
777 | t = adjust_field_rtx_def (t, opt); | |
778 | else | |
779 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
780 | } | |
781 | ||
782 | if (params_p) | |
783 | { | |
784 | type_p realt; | |
3d7aafde | 785 | |
36a5eadd GK |
786 | if (pointer_p) |
787 | t = t->u.p; | |
788 | realt = find_param_structure (t, params); | |
789 | t = pointer_p ? create_pointer (realt) : realt; | |
790 | } | |
791 | ||
e2500fed GK |
792 | if (! length_p |
793 | && pointer_p | |
794 | && t->u.p->kind == TYPE_SCALAR | |
795 | && (strcmp (t->u.p->u.sc, "char") == 0 | |
796 | || strcmp (t->u.p->u.sc, "unsigned char") == 0)) | |
797 | return &string_type; | |
798 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
799 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
800 | && (strcmp (t->u.a.p->u.p->u.sc, "char") == 0 | |
801 | || strcmp (t->u.a.p->u.p->u.sc, "unsigned char") == 0)) | |
802 | return create_array (&string_type, t->u.a.len); | |
803 | ||
804 | return t; | |
805 | } | |
806 | ||
9f313342 | 807 | /* Create a union for YYSTYPE, as yacc would do it, given a fieldlist FIELDS |
fbe5a4a6 | 808 | and information about the correspondence between token types and fields |
9f313342 GK |
809 | in TYPEINFO. POS is used for error messages. */ |
810 | ||
e2500fed | 811 | void |
3d7aafde AJ |
812 | note_yacc_type (options_p o, pair_p fields, pair_p typeinfo, |
813 | struct fileloc *pos) | |
e2500fed GK |
814 | { |
815 | pair_p p; | |
816 | pair_p *p_p; | |
3d7aafde | 817 | |
e2500fed GK |
818 | for (p = typeinfo; p; p = p->next) |
819 | { | |
820 | pair_p m; | |
3d7aafde | 821 | |
e2500fed GK |
822 | if (p->name == NULL) |
823 | continue; | |
824 | ||
825 | if (p->type == (type_p) 1) | |
826 | { | |
827 | pair_p pp; | |
828 | int ok = 0; | |
3d7aafde | 829 | |
e2500fed GK |
830 | for (pp = typeinfo; pp; pp = pp->next) |
831 | if (pp->type != (type_p) 1 | |
832 | && strcmp (pp->opt->info, p->opt->info) == 0) | |
833 | { | |
834 | ok = 1; | |
835 | break; | |
836 | } | |
837 | if (! ok) | |
838 | continue; | |
839 | } | |
840 | ||
841 | for (m = fields; m; m = m->next) | |
842 | if (strcmp (m->name, p->name) == 0) | |
843 | p->type = m->type; | |
844 | if (p->type == NULL) | |
845 | { | |
3d7aafde | 846 | error_at_line (&p->line, |
e2500fed GK |
847 | "couldn't match fieldname `%s'", p->name); |
848 | p->name = NULL; | |
849 | } | |
850 | } | |
3d7aafde | 851 | |
e2500fed GK |
852 | p_p = &typeinfo; |
853 | while (*p_p) | |
854 | { | |
855 | pair_p p = *p_p; | |
856 | ||
857 | if (p->name == NULL | |
858 | || p->type == (type_p) 1) | |
859 | *p_p = p->next; | |
860 | else | |
861 | p_p = &p->next; | |
862 | } | |
863 | ||
864 | new_structure ("yy_union", 1, pos, typeinfo, o); | |
865 | do_typedef ("YYSTYPE", find_structure ("yy_union", 1), pos); | |
866 | } | |
867 | \f | |
3d7aafde AJ |
868 | static void process_gc_options (options_p, enum gc_used_enum, |
869 | int *, int *, int *); | |
870 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); | |
871 | static void set_gc_used (pair_p); | |
e2500fed | 872 | |
9f313342 GK |
873 | /* Handle OPT for set_gc_used_type. */ |
874 | ||
e2500fed | 875 | static void |
3d7aafde AJ |
876 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
877 | int *pass_param, int *length) | |
e2500fed GK |
878 | { |
879 | options_p o; | |
880 | for (o = opt; o; o = o->next) | |
881 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
36a5eadd | 882 | set_gc_used_type ((type_p) o->info, GC_POINTED_TO, NULL); |
e2500fed GK |
883 | else if (strcmp (o->name, "maybe_undef") == 0) |
884 | *maybe_undef = 1; | |
36a5eadd GK |
885 | else if (strcmp (o->name, "use_params") == 0) |
886 | *pass_param = 1; | |
887 | else if (strcmp (o->name, "length") == 0) | |
888 | *length = 1; | |
e2500fed GK |
889 | } |
890 | ||
9f313342 GK |
891 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
892 | ||
e2500fed | 893 | static void |
3d7aafde | 894 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
e2500fed GK |
895 | { |
896 | if (t->gc_used >= level) | |
897 | return; | |
3d7aafde | 898 | |
e2500fed GK |
899 | t->gc_used = level; |
900 | ||
901 | switch (t->kind) | |
902 | { | |
903 | case TYPE_STRUCT: | |
904 | case TYPE_UNION: | |
905 | { | |
906 | pair_p f; | |
907 | int dummy; | |
908 | ||
36a5eadd | 909 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy); |
e2500fed GK |
910 | |
911 | for (f = t->u.s.fields; f; f = f->next) | |
912 | { | |
913 | int maybe_undef = 0; | |
36a5eadd GK |
914 | int pass_param = 0; |
915 | int length = 0; | |
916 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, | |
917 | &length); | |
3d7aafde | 918 | |
36a5eadd GK |
919 | if (length && f->type->kind == TYPE_POINTER) |
920 | set_gc_used_type (f->type->u.p, GC_USED, NULL); | |
921 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
922 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
923 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
924 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
925 | GC_POINTED_TO, NULL); | |
e2500fed | 926 | else |
36a5eadd | 927 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
e2500fed GK |
928 | } |
929 | break; | |
930 | } | |
931 | ||
932 | case TYPE_POINTER: | |
36a5eadd | 933 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
e2500fed GK |
934 | break; |
935 | ||
936 | case TYPE_ARRAY: | |
36a5eadd | 937 | set_gc_used_type (t->u.a.p, GC_USED, param); |
e2500fed | 938 | break; |
3d7aafde | 939 | |
e2500fed GK |
940 | case TYPE_LANG_STRUCT: |
941 | for (t = t->u.s.lang_struct; t; t = t->next) | |
36a5eadd | 942 | set_gc_used_type (t, level, param); |
e2500fed GK |
943 | break; |
944 | ||
945 | case TYPE_PARAM_STRUCT: | |
36a5eadd GK |
946 | { |
947 | int i; | |
948 | for (i = 0; i < NUM_PARAM; i++) | |
949 | if (t->u.param_struct.param[i] != 0) | |
950 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
951 | } | |
952 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
953 | level = GC_POINTED_TO; | |
954 | else | |
955 | level = GC_USED; | |
956 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
3d7aafde | 957 | set_gc_used_type (t->u.param_struct.stru, level, |
36a5eadd | 958 | t->u.param_struct.param); |
e2500fed GK |
959 | break; |
960 | ||
961 | default: | |
962 | break; | |
963 | } | |
964 | } | |
965 | ||
36a5eadd | 966 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
9f313342 | 967 | |
e2500fed | 968 | static void |
3d7aafde | 969 | set_gc_used (pair_p variables) |
e2500fed GK |
970 | { |
971 | pair_p p; | |
972 | for (p = variables; p; p = p->next) | |
36a5eadd | 973 | set_gc_used_type (p->type, GC_USED, NULL); |
e2500fed GK |
974 | } |
975 | \f | |
976 | /* File mapping routines. For each input file, there is one output .c file | |
977 | (but some output files have many input files), and there is one .h file | |
978 | for the whole build. */ | |
979 | ||
9f313342 | 980 | /* The list of output files. */ |
e03856fe | 981 | static outf_p output_files; |
9f313342 GK |
982 | |
983 | /* The output header file that is included into pretty much every | |
984 | source file. */ | |
e03856fe | 985 | outf_p header_file; |
e2500fed | 986 | |
8ac9d31f TJ |
987 | /* Number of files specified in gtfiles. */ |
988 | #define NUM_GT_FILES (ARRAY_SIZE (all_files) - 1) | |
96e3ac4f | 989 | |
8ac9d31f TJ |
990 | /* Number of files in the language files array. */ |
991 | #define NUM_LANG_FILES (ARRAY_SIZE (lang_files) - 1) | |
992 | ||
993 | /* Length of srcdir name. */ | |
994 | static int srcdir_len = 0; | |
995 | ||
996 | #define NUM_BASE_FILES (ARRAY_SIZE (lang_dir_names) - 1) | |
e03856fe | 997 | outf_p base_files[NUM_BASE_FILES]; |
e2500fed | 998 | |
3d7aafde AJ |
999 | static outf_p create_file (const char *, const char *); |
1000 | static const char * get_file_basename (const char *); | |
e2500fed | 1001 | |
e03856fe GK |
1002 | /* Create and return an outf_p for a new file for NAME, to be called |
1003 | ONAME. */ | |
9f313342 | 1004 | |
e03856fe | 1005 | static outf_p |
3d7aafde | 1006 | create_file (const char *name, const char *oname) |
e2500fed GK |
1007 | { |
1008 | static const char *const hdr[] = { | |
3d7aafde | 1009 | " Copyright (C) 2003 Free Software Foundation, Inc.\n", |
e2500fed GK |
1010 | "\n", |
1011 | "This file is part of GCC.\n", | |
1012 | "\n", | |
1013 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1014 | "the terms of the GNU General Public License as published by the Free\n", | |
1015 | "Software Foundation; either version 2, or (at your option) any later\n", | |
1016 | "version.\n", | |
1017 | "\n", | |
1018 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1019 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1020 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1021 | "for more details.\n", | |
1022 | "\n", | |
1023 | "You should have received a copy of the GNU General Public License\n", | |
1024 | "along with GCC; see the file COPYING. If not, write to the Free\n", | |
1025 | "Software Foundation, 59 Temple Place - Suite 330, Boston, MA\n", | |
1026 | "02111-1307, USA. */\n", | |
1027 | "\n", | |
1028 | "/* This file is machine generated. Do not edit. */\n" | |
1029 | }; | |
e03856fe | 1030 | outf_p f; |
e2500fed | 1031 | size_t i; |
3d7aafde | 1032 | |
e03856fe GK |
1033 | f = xcalloc (sizeof (*f), 1); |
1034 | f->next = output_files; | |
1035 | f->name = oname; | |
1036 | output_files = f; | |
1037 | ||
1038 | oprintf (f, "/* Type information for %s.\n", name); | |
62c71f4b | 1039 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
e03856fe | 1040 | oprintf (f, "%s", hdr[i]); |
e2500fed GK |
1041 | return f; |
1042 | } | |
1043 | ||
e03856fe | 1044 | /* Print, like fprintf, to O. */ |
3d7aafde | 1045 | void |
e34d07f2 | 1046 | oprintf (outf_p o, const char *format, ...) |
e03856fe GK |
1047 | { |
1048 | char *s; | |
1049 | size_t slength; | |
e34d07f2 | 1050 | va_list ap; |
3d7aafde | 1051 | |
e34d07f2 | 1052 | va_start (ap, format); |
e03856fe | 1053 | slength = xvasprintf (&s, format, ap); |
e03856fe GK |
1054 | |
1055 | if (o->bufused + slength > o->buflength) | |
1056 | { | |
1057 | size_t new_len = o->buflength; | |
1058 | if (new_len == 0) | |
1059 | new_len = 1024; | |
1060 | do { | |
1061 | new_len *= 2; | |
1062 | } while (o->bufused + slength >= new_len); | |
1063 | o->buf = xrealloc (o->buf, new_len); | |
1064 | o->buflength = new_len; | |
1065 | } | |
1066 | memcpy (o->buf + o->bufused, s, slength); | |
1067 | o->bufused += slength; | |
1068 | free (s); | |
e34d07f2 | 1069 | va_end (ap); |
e03856fe GK |
1070 | } |
1071 | ||
9f313342 GK |
1072 | /* Open the global header file and the language-specific header files. */ |
1073 | ||
e2500fed | 1074 | static void |
3d7aafde | 1075 | open_base_files (void) |
e2500fed GK |
1076 | { |
1077 | size_t i; | |
3d7aafde | 1078 | |
e03856fe | 1079 | header_file = create_file ("GCC", "gtype-desc.h"); |
e2500fed GK |
1080 | |
1081 | for (i = 0; i < NUM_BASE_FILES; i++) | |
3d7aafde | 1082 | base_files[i] = create_file (lang_dir_names[i], |
8ac9d31f | 1083 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
e03856fe GK |
1084 | |
1085 | /* gtype-desc.c is a little special, so we create it here. */ | |
1086 | { | |
1087 | /* The order of files here matters very much. */ | |
1088 | static const char *const ifiles [] = { | |
4977bab6 ZW |
1089 | "config.h", "system.h", "coretypes.h", "tm.h", "varray.h", |
1090 | "hashtab.h", "splay-tree.h", "bitmap.h", "tree.h", "rtl.h", | |
1091 | "function.h", "insn-config.h", "expr.h", "hard-reg-set.h", | |
1092 | "basic-block.h", "cselib.h", "insn-addr.h", "ssa.h", "optabs.h", | |
1093 | "libfuncs.h", "debug.h", "ggc.h", | |
e03856fe GK |
1094 | NULL |
1095 | }; | |
1096 | const char *const *ifp; | |
1097 | outf_p gtype_desc_c; | |
3d7aafde | 1098 | |
e03856fe GK |
1099 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1100 | for (ifp = ifiles; *ifp; ifp++) | |
1101 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
1102 | } | |
e2500fed GK |
1103 | } |
1104 | ||
9f313342 GK |
1105 | /* Determine the pathname to F relative to $(srcdir). */ |
1106 | ||
e2500fed | 1107 | static const char * |
3d7aafde | 1108 | get_file_basename (const char *f) |
e2500fed | 1109 | { |
e2500fed | 1110 | const char *basename; |
8ac9d31f | 1111 | unsigned i; |
3d7aafde | 1112 | |
e2500fed | 1113 | basename = strrchr (f, '/'); |
3d7aafde | 1114 | |
8ac9d31f TJ |
1115 | if (!basename) |
1116 | return f; | |
3d7aafde | 1117 | |
8ac9d31f | 1118 | basename++; |
3d7aafde | 1119 | |
8ac9d31f TJ |
1120 | for (i = 1; i < NUM_BASE_FILES; i++) |
1121 | { | |
1122 | const char * s1; | |
1123 | const char * s2; | |
1124 | int l1; | |
1125 | int l2; | |
1126 | s1 = basename - strlen (lang_dir_names [i]) - 1; | |
1127 | s2 = lang_dir_names [i]; | |
1128 | l1 = strlen (s1); | |
1129 | l2 = strlen (s2); | |
1130 | if (l1 >= l2 && !memcmp (s1, s2, l2)) | |
1131 | { | |
1132 | basename -= l2 + 1; | |
1133 | if ((basename - f - 1) != srcdir_len) | |
1134 | abort (); /* Match is wrong - should be preceded by $srcdir. */ | |
1135 | break; | |
1136 | } | |
1137 | } | |
3d7aafde | 1138 | |
e2500fed GK |
1139 | return basename; |
1140 | } | |
1141 | ||
9f313342 | 1142 | /* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff |
3d7aafde | 1143 | INPUT_FILE is used by <lang>. |
9f313342 GK |
1144 | |
1145 | This function should be written to assume that a file _is_ used | |
1146 | if the situation is unclear. If it wrongly assumes a file _is_ used, | |
1147 | a linker error will result. If it wrongly assumes a file _is not_ used, | |
1148 | some GC roots may be missed, which is a much harder-to-debug problem. */ | |
1149 | ||
e2500fed | 1150 | unsigned |
3d7aafde | 1151 | get_base_file_bitmap (const char *input_file) |
e2500fed GK |
1152 | { |
1153 | const char *basename = get_file_basename (input_file); | |
1154 | const char *slashpos = strchr (basename, '/'); | |
8ac9d31f TJ |
1155 | unsigned j; |
1156 | unsigned k; | |
1157 | unsigned bitmap; | |
3d7aafde | 1158 | |
8ac9d31f | 1159 | if (slashpos) |
e2500fed GK |
1160 | { |
1161 | size_t i; | |
8ac9d31f TJ |
1162 | for (i = 1; i < NUM_BASE_FILES; i++) |
1163 | if ((size_t)(slashpos - basename) == strlen (lang_dir_names [i]) | |
1164 | && memcmp (basename, lang_dir_names[i], strlen (lang_dir_names[i])) == 0) | |
1165 | { | |
1166 | /* It's in a language directory, set that language. */ | |
1167 | bitmap = 1 << i; | |
1168 | return bitmap; | |
1169 | } | |
1170 | ||
1171 | abort (); /* Should have found the language. */ | |
e2500fed | 1172 | } |
8ac9d31f TJ |
1173 | |
1174 | /* If it's in any config-lang.in, then set for the languages | |
1175 | specified. */ | |
1176 | ||
1177 | bitmap = 0; | |
1178 | ||
1179 | for (j = 0; j < NUM_LANG_FILES; j++) | |
1180 | { | |
1181 | if (!strcmp(input_file, lang_files[j])) | |
1182 | { | |
1183 | for (k = 0; k < NUM_BASE_FILES; k++) | |
1184 | { | |
1185 | if (!strcmp(lang_dir_names[k], langs_for_lang_files[j])) | |
1186 | bitmap |= (1 << k); | |
1187 | } | |
1188 | } | |
1189 | } | |
3d7aafde | 1190 | |
8ac9d31f TJ |
1191 | /* Otherwise, set all languages. */ |
1192 | if (!bitmap) | |
1193 | bitmap = (1 << NUM_BASE_FILES) - 1; | |
1194 | ||
1195 | return bitmap; | |
e2500fed GK |
1196 | } |
1197 | ||
9f313342 GK |
1198 | /* An output file, suitable for definitions, that can see declarations |
1199 | made in INPUT_FILE and is linked into every language that uses | |
1200 | INPUT_FILE. */ | |
1201 | ||
e03856fe | 1202 | outf_p |
3d7aafde | 1203 | get_output_file_with_visibility (const char *input_file) |
e2500fed | 1204 | { |
e03856fe | 1205 | outf_p r; |
e2500fed GK |
1206 | size_t len; |
1207 | const char *basename; | |
e03856fe GK |
1208 | const char *for_name; |
1209 | const char *output_name; | |
e2500fed | 1210 | |
e03856fe GK |
1211 | /* This can happen when we need a file with visibility on a |
1212 | structure that we've never seen. We have to just hope that it's | |
1213 | globally visible. */ | |
1214 | if (input_file == NULL) | |
1215 | input_file = "system.h"; | |
e2500fed | 1216 | |
e2500fed GK |
1217 | /* Determine the output file name. */ |
1218 | basename = get_file_basename (input_file); | |
1219 | ||
1220 | len = strlen (basename); | |
1221 | if ((len > 2 && memcmp (basename+len-2, ".c", 2) == 0) | |
1222 | || (len > 2 && memcmp (basename+len-2, ".y", 2) == 0) | |
1223 | || (len > 3 && memcmp (basename+len-3, ".in", 3) == 0)) | |
1224 | { | |
1225 | char *s; | |
3d7aafde | 1226 | |
e03856fe | 1227 | output_name = s = xasprintf ("gt-%s", basename); |
e2500fed | 1228 | for (; *s != '.'; s++) |
1f8e4682 | 1229 | if (! ISALNUM (*s) && *s != '-') |
e2500fed GK |
1230 | *s = '-'; |
1231 | memcpy (s, ".h", sizeof (".h")); | |
e03856fe | 1232 | for_name = basename; |
e2500fed GK |
1233 | } |
1234 | else if (strcmp (basename, "c-common.h") == 0) | |
e03856fe | 1235 | output_name = "gt-c-common.h", for_name = "c-common.c"; |
e2500fed | 1236 | else if (strcmp (basename, "c-tree.h") == 0) |
e03856fe | 1237 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; |
3d7aafde | 1238 | else |
e2500fed GK |
1239 | { |
1240 | size_t i; | |
3d7aafde | 1241 | |
e2500fed | 1242 | for (i = 0; i < NUM_BASE_FILES; i++) |
8ac9d31f TJ |
1243 | if (memcmp (basename, lang_dir_names[i], strlen (lang_dir_names[i])) == 0 |
1244 | && basename[strlen(lang_dir_names[i])] == '/') | |
e03856fe GK |
1245 | return base_files[i]; |
1246 | ||
1247 | output_name = "gtype-desc.c"; | |
1248 | for_name = NULL; | |
e2500fed GK |
1249 | } |
1250 | ||
1251 | /* Look through to see if we've ever seen this output filename before. */ | |
e03856fe GK |
1252 | for (r = output_files; r; r = r->next) |
1253 | if (strcmp (r->name, output_name) == 0) | |
1254 | return r; | |
e2500fed GK |
1255 | |
1256 | /* If not, create it. */ | |
e03856fe | 1257 | r = create_file (for_name, output_name); |
e2500fed | 1258 | |
e03856fe | 1259 | return r; |
e2500fed GK |
1260 | } |
1261 | ||
9f313342 GK |
1262 | /* The name of an output file, suitable for definitions, that can see |
1263 | declarations made in INPUT_FILE and is linked into every language | |
1264 | that uses INPUT_FILE. */ | |
1265 | ||
e2500fed | 1266 | const char * |
3d7aafde | 1267 | get_output_file_name (const char *input_file) |
e2500fed | 1268 | { |
e03856fe | 1269 | return get_output_file_with_visibility (input_file)->name; |
e2500fed GK |
1270 | } |
1271 | ||
e03856fe | 1272 | /* Copy the output to its final destination, |
9f313342 GK |
1273 | but don't unnecessarily change modification times. */ |
1274 | ||
3d7aafde | 1275 | static void close_output_files (void); |
8ac9d31f | 1276 | |
e2500fed | 1277 | static void |
3d7aafde | 1278 | close_output_files (void) |
e2500fed | 1279 | { |
e03856fe | 1280 | outf_p of; |
3d7aafde | 1281 | |
e03856fe | 1282 | for (of = output_files; of; of = of->next) |
e2500fed | 1283 | { |
e03856fe GK |
1284 | FILE * newfile; |
1285 | ||
1286 | newfile = fopen (of->name, "r"); | |
1287 | if (newfile != NULL ) | |
e2500fed | 1288 | { |
e03856fe GK |
1289 | int no_write_p; |
1290 | size_t i; | |
e2500fed | 1291 | |
e03856fe GK |
1292 | for (i = 0; i < of->bufused; i++) |
1293 | { | |
1294 | int ch; | |
1295 | ch = fgetc (newfile); | |
1296 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
1297 | break; | |
1298 | } | |
1299 | no_write_p = i == of->bufused && fgetc (newfile) == EOF; | |
e2500fed | 1300 | fclose (newfile); |
e03856fe GK |
1301 | |
1302 | if (no_write_p) | |
1303 | continue; | |
e2500fed GK |
1304 | } |
1305 | ||
e03856fe | 1306 | newfile = fopen (of->name, "w"); |
e2500fed GK |
1307 | if (newfile == NULL) |
1308 | { | |
1309 | perror ("opening output file"); | |
1310 | exit (1); | |
1311 | } | |
e03856fe GK |
1312 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) |
1313 | { | |
1314 | perror ("writing output file"); | |
1315 | exit (1); | |
1316 | } | |
1317 | if (fclose (newfile) != 0) | |
1318 | { | |
1319 | perror ("closing output file"); | |
1320 | exit (1); | |
1321 | } | |
e2500fed GK |
1322 | } |
1323 | } | |
1324 | \f | |
1325 | struct flist { | |
1326 | struct flist *next; | |
1327 | int started_p; | |
1328 | const char *name; | |
e03856fe | 1329 | outf_p f; |
e2500fed GK |
1330 | }; |
1331 | ||
17211ab5 GK |
1332 | struct walk_type_data; |
1333 | ||
1334 | /* For scalars and strings, given the item in 'val'. | |
1335 | For structures, given a pointer to the item in 'val'. | |
1336 | For misc. pointers, given the item in 'val'. | |
1337 | */ | |
3d7aafde AJ |
1338 | typedef void (*process_field_fn) |
1339 | (type_p f, const struct walk_type_data *p); | |
17211ab5 | 1340 | typedef void (*func_name_fn) |
3d7aafde | 1341 | (type_p s, const struct walk_type_data *p); |
17211ab5 GK |
1342 | |
1343 | /* Parameters for write_types. */ | |
1344 | ||
3d7aafde | 1345 | struct write_types_data |
17211ab5 GK |
1346 | { |
1347 | const char *prefix; | |
1348 | const char *param_prefix; | |
1349 | const char *subfield_marker_routine; | |
1350 | const char *marker_routine; | |
1351 | const char *reorder_note_routine; | |
1352 | const char *comment; | |
1353 | }; | |
1354 | ||
3d7aafde AJ |
1355 | static void output_escaped_param (struct walk_type_data *d, |
1356 | const char *, const char *); | |
1357 | static void output_mangled_typename (outf_p, type_p); | |
1358 | static void walk_type (type_p t, struct walk_type_data *d); | |
17211ab5 | 1359 | static void write_func_for_structure |
3d7aafde AJ |
1360 | (type_p orig_s, type_p s, type_p * param, |
1361 | const struct write_types_data *wtd); | |
1362 | static void write_types_process_field | |
1363 | (type_p f, const struct walk_type_data *d); | |
1364 | static void write_types (type_p structures, | |
1365 | type_p param_structs, | |
1366 | const struct write_types_data *wtd); | |
17211ab5 | 1367 | static void write_types_local_process_field |
3d7aafde | 1368 | (type_p f, const struct walk_type_data *d); |
17211ab5 | 1369 | static void write_local_func_for_structure |
3d7aafde AJ |
1370 | (type_p orig_s, type_p s, type_p * param); |
1371 | static void write_local (type_p structures, | |
1372 | type_p param_structs); | |
1373 | static void write_enum_defn (type_p structures, type_p param_structs); | |
1374 | static int contains_scalar_p (type_p t); | |
1375 | static void put_mangled_filename (outf_p , const char *); | |
1376 | static void finish_root_table (struct flist *flp, const char *pfx, | |
1377 | const char *tname, const char *lastname, | |
1378 | const char *name); | |
1379 | static void write_root (outf_p , pair_p, type_p, const char *, int, | |
1380 | struct fileloc *, const char *); | |
1381 | static void write_array (outf_p f, pair_p v, | |
1382 | const struct write_types_data *wtd); | |
1383 | static void write_roots (pair_p); | |
e2500fed | 1384 | |
17211ab5 | 1385 | /* Parameters for walk_type. */ |
e2500fed | 1386 | |
17211ab5 | 1387 | struct walk_type_data |
e2500fed | 1388 | { |
17211ab5 GK |
1389 | process_field_fn process_field; |
1390 | const void *cookie; | |
1391 | outf_p of; | |
1392 | options_p opt; | |
1393 | const char *val; | |
1394 | const char *prev_val[4]; | |
1395 | int indent; | |
1396 | int counter; | |
1397 | struct fileloc *line; | |
1398 | lang_bitmap bitmap; | |
1399 | type_p *param; | |
1400 | int used_length; | |
1401 | type_p orig_s; | |
1402 | const char *reorder_fn; | |
f099d360 | 1403 | int needs_cast_p; |
17211ab5 | 1404 | }; |
36a5eadd GK |
1405 | |
1406 | /* Print a mangled name representing T to OF. */ | |
1407 | ||
1408 | static void | |
3d7aafde | 1409 | output_mangled_typename (outf_p of, type_p t) |
36a5eadd GK |
1410 | { |
1411 | if (t == NULL) | |
1412 | oprintf (of, "Z"); | |
1413 | else switch (t->kind) | |
1414 | { | |
1415 | case TYPE_POINTER: | |
1416 | oprintf (of, "P"); | |
1417 | output_mangled_typename (of, t->u.p); | |
1418 | break; | |
1419 | case TYPE_SCALAR: | |
1420 | oprintf (of, "I"); | |
1421 | break; | |
1422 | case TYPE_STRING: | |
1423 | oprintf (of, "S"); | |
1424 | break; | |
1425 | case TYPE_STRUCT: | |
1426 | case TYPE_UNION: | |
1427 | case TYPE_LANG_STRUCT: | |
6d8dd940 | 1428 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), t->u.s.tag); |
36a5eadd GK |
1429 | break; |
1430 | case TYPE_PARAM_STRUCT: | |
1431 | { | |
1432 | int i; | |
1433 | for (i = 0; i < NUM_PARAM; i++) | |
1434 | if (t->u.param_struct.param[i] != NULL) | |
1435 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
3d7aafde | 1436 | output_mangled_typename (of, t->u.param_struct.stru); |
36a5eadd GK |
1437 | } |
1438 | break; | |
1439 | case TYPE_ARRAY: | |
1440 | abort (); | |
1441 | } | |
e2500fed GK |
1442 | } |
1443 | ||
17211ab5 GK |
1444 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
1445 | current object, D->PREV_VAL the object containing the current | |
1446 | object, ONAME is the name of the option and D->LINE is used to | |
1447 | print error messages. */ | |
9f313342 | 1448 | |
e2500fed | 1449 | static void |
3d7aafde AJ |
1450 | output_escaped_param (struct walk_type_data *d, const char *param, |
1451 | const char *oname) | |
e2500fed | 1452 | { |
17211ab5 | 1453 | const char *p; |
3d7aafde | 1454 | |
17211ab5 GK |
1455 | for (p = param; *p; p++) |
1456 | if (*p != '%') | |
1457 | oprintf (d->of, "%c", *p); | |
1458 | else switch (*++p) | |
1459 | { | |
1460 | case 'h': | |
1461 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
1462 | break; | |
1463 | case '0': | |
1464 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
1465 | break; | |
1466 | case '1': | |
1467 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
1468 | break; | |
1469 | case 'a': | |
e2500fed | 1470 | { |
17211ab5 GK |
1471 | const char *pp = d->val + strlen (d->val); |
1472 | while (pp[-1] == ']') | |
1473 | while (*pp != '[') | |
1474 | pp--; | |
1475 | oprintf (d->of, "%s", pp); | |
e2500fed | 1476 | } |
17211ab5 GK |
1477 | break; |
1478 | default: | |
1479 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
1480 | oname, '%', *p); | |
1481 | } | |
1482 | } | |
e2500fed | 1483 | |
17211ab5 GK |
1484 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
1485 | which is of type T. Write code to D->OF to constrain execution (at | |
1486 | the point that D->PROCESS_FIELD is called) to the appropriate | |
1487 | cases. D->PREV_VAL lists the objects containing the current object, | |
1488 | D->OPT is a list of options to apply, D->INDENT is the current | |
1489 | indentation level, D->LINE is used to print error messages, | |
1490 | D->BITMAP indicates which languages to print the structure for, and | |
1491 | D->PARAM is the current parameter (from an enclosing param_is | |
1492 | option). */ | |
e2500fed | 1493 | |
17211ab5 | 1494 | static void |
3d7aafde | 1495 | walk_type (type_p t, struct walk_type_data *d) |
17211ab5 GK |
1496 | { |
1497 | const char *length = NULL; | |
1498 | const char *desc = NULL; | |
1499 | int maybe_undef_p = 0; | |
1500 | int use_param_num = -1; | |
1501 | int use_params_p = 0; | |
17211ab5 | 1502 | options_p oo; |
3d7aafde | 1503 | |
f099d360 | 1504 | d->needs_cast_p = 0; |
17211ab5 GK |
1505 | for (oo = d->opt; oo; oo = oo->next) |
1506 | if (strcmp (oo->name, "length") == 0) | |
1507 | length = (const char *)oo->info; | |
1508 | else if (strcmp (oo->name, "maybe_undef") == 0) | |
1509 | maybe_undef_p = 1; | |
1510 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
1511 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
1512 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
1513 | else if (strcmp (oo->name, "use_params") == 0) | |
1514 | use_params_p = 1; | |
1515 | else if (strcmp (oo->name, "desc") == 0) | |
1516 | desc = (const char *)oo->info; | |
1517 | else if (strcmp (oo->name, "dot") == 0) | |
1518 | ; | |
1519 | else if (strcmp (oo->name, "tag") == 0) | |
1520 | ; | |
1521 | else if (strcmp (oo->name, "special") == 0) | |
1522 | ; | |
1523 | else if (strcmp (oo->name, "skip") == 0) | |
1524 | ; | |
1525 | else if (strcmp (oo->name, "default") == 0) | |
1526 | ; | |
1527 | else if (strcmp (oo->name, "descbits") == 0) | |
1528 | ; | |
1529 | else if (strcmp (oo->name, "param_is") == 0) | |
1530 | ; | |
084087e1 RH |
1531 | else if (strncmp (oo->name, "param", 5) == 0 |
1532 | && ISDIGIT (oo->name[5]) | |
1533 | && strcmp (oo->name + 6, "_is") == 0) | |
1534 | ; | |
17211ab5 GK |
1535 | else if (strcmp (oo->name, "chain_next") == 0) |
1536 | ; | |
1537 | else if (strcmp (oo->name, "chain_prev") == 0) | |
1538 | ; | |
1539 | else if (strcmp (oo->name, "reorder") == 0) | |
1540 | ; | |
1541 | else | |
1542 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
36a5eadd | 1543 | |
17211ab5 GK |
1544 | if (d->used_length) |
1545 | length = NULL; | |
36a5eadd | 1546 | |
17211ab5 GK |
1547 | if (use_params_p) |
1548 | { | |
1549 | int pointer_p = t->kind == TYPE_POINTER; | |
3d7aafde | 1550 | |
17211ab5 GK |
1551 | if (pointer_p) |
1552 | t = t->u.p; | |
1553 | if (! UNION_OR_STRUCT_P (t)) | |
1554 | error_at_line (d->line, "`use_params' option on unimplemented type"); | |
3d7aafde | 1555 | else |
17211ab5 GK |
1556 | t = find_param_structure (t, d->param); |
1557 | if (pointer_p) | |
1558 | t = create_pointer (t); | |
1559 | } | |
3d7aafde | 1560 | |
17211ab5 GK |
1561 | if (use_param_num != -1) |
1562 | { | |
1563 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
e2500fed | 1564 | { |
17211ab5 | 1565 | type_p nt = d->param[use_param_num]; |
3d7aafde | 1566 | |
17211ab5 GK |
1567 | if (t->kind == TYPE_ARRAY) |
1568 | nt = create_array (nt, t->u.a.len); | |
1569 | else if (length != NULL && t->kind == TYPE_POINTER) | |
1570 | nt = create_pointer (nt); | |
f099d360 GK |
1571 | d->needs_cast_p = (t->kind != TYPE_POINTER |
1572 | && (nt->kind == TYPE_POINTER | |
1573 | || nt->kind == TYPE_STRING)); | |
17211ab5 | 1574 | t = nt; |
e2500fed | 1575 | } |
17211ab5 GK |
1576 | else |
1577 | error_at_line (d->line, "no parameter defined for `%s'", | |
1578 | d->val); | |
1579 | } | |
3d7aafde AJ |
1580 | |
1581 | if (maybe_undef_p | |
17211ab5 GK |
1582 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) |
1583 | { | |
3d7aafde | 1584 | error_at_line (d->line, |
17211ab5 GK |
1585 | "field `%s' has invalid option `maybe_undef_p'\n", |
1586 | d->val); | |
1587 | return; | |
1588 | } | |
3d7aafde | 1589 | |
17211ab5 GK |
1590 | switch (t->kind) |
1591 | { | |
1592 | case TYPE_SCALAR: | |
1593 | case TYPE_STRING: | |
1594 | d->process_field (t, d); | |
1595 | break; | |
3d7aafde | 1596 | |
17211ab5 GK |
1597 | case TYPE_POINTER: |
1598 | { | |
1599 | if (maybe_undef_p | |
1600 | && t->u.p->u.s.line.file == NULL) | |
1601 | { | |
1602 | oprintf (d->of, "%*sif (%s) abort();\n", d->indent, "", d->val); | |
1603 | break; | |
1604 | } | |
e2500fed | 1605 | |
17211ab5 | 1606 | if (! length) |
e2500fed | 1607 | { |
17211ab5 GK |
1608 | if (! UNION_OR_STRUCT_P (t->u.p) |
1609 | && t->u.p->kind != TYPE_PARAM_STRUCT) | |
e2500fed | 1610 | { |
3d7aafde | 1611 | error_at_line (d->line, |
17211ab5 GK |
1612 | "field `%s' is pointer to unimplemented type", |
1613 | d->val); | |
e2500fed GK |
1614 | break; |
1615 | } | |
3d7aafde | 1616 | |
17211ab5 | 1617 | d->process_field (t->u.p, d); |
e2500fed | 1618 | } |
3d7aafde | 1619 | else |
e2500fed | 1620 | { |
17211ab5 GK |
1621 | int loopcounter = d->counter++; |
1622 | const char *oldval = d->val; | |
1623 | const char *oldprevval3 = d->prev_val[3]; | |
e2500fed GK |
1624 | char *newval; |
1625 | ||
17211ab5 GK |
1626 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
1627 | d->indent += 2; | |
1628 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
1629 | d->process_field(t, d); | |
3d7aafde | 1630 | oprintf (d->of, "%*sfor (i%d = 0; i%d < (size_t)(", d->indent, "", |
17211ab5 GK |
1631 | loopcounter, loopcounter); |
1632 | output_escaped_param (d, length, "length"); | |
1633 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
1634 | d->indent += 2; | |
1635 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
1636 | d->used_length = 1; | |
1637 | d->prev_val[3] = oldval; | |
1638 | walk_type (t->u.p, d); | |
e2500fed | 1639 | free (newval); |
17211ab5 GK |
1640 | d->val = oldval; |
1641 | d->prev_val[3] = oldprevval3; | |
1642 | d->used_length = 0; | |
1643 | d->indent -= 2; | |
1644 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1645 | d->indent -= 2; | |
1646 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e2500fed | 1647 | } |
17211ab5 GK |
1648 | } |
1649 | break; | |
e2500fed | 1650 | |
17211ab5 GK |
1651 | case TYPE_ARRAY: |
1652 | { | |
1653 | int loopcounter = d->counter++; | |
1654 | const char *oldval = d->val; | |
1655 | char *newval; | |
1656 | ||
1657 | /* If it's an array of scalars, we optimise by not generating | |
1658 | any code. */ | |
1659 | if (t->u.a.p->kind == TYPE_SCALAR) | |
e2500fed | 1660 | break; |
3d7aafde | 1661 | |
17211ab5 GK |
1662 | oprintf (d->of, "%*s{\n", d->indent, ""); |
1663 | d->indent += 2; | |
1664 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
3d7aafde | 1665 | oprintf (d->of, "%*sfor (i%d = 0; i%d < (size_t)(", d->indent, "", |
17211ab5 GK |
1666 | loopcounter, loopcounter); |
1667 | if (length) | |
1668 | output_escaped_param (d, length, "length"); | |
1669 | else | |
1670 | oprintf (d->of, "%s", t->u.a.len); | |
1671 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
1672 | d->indent += 2; | |
1673 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
1674 | d->used_length = 1; | |
1675 | walk_type (t->u.a.p, d); | |
1676 | free (newval); | |
1677 | d->used_length = 0; | |
1678 | d->val = oldval; | |
1679 | d->indent -= 2; | |
1680 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1681 | d->indent -= 2; | |
1682 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1683 | } | |
1684 | break; | |
3d7aafde | 1685 | |
17211ab5 GK |
1686 | case TYPE_STRUCT: |
1687 | case TYPE_UNION: | |
1688 | { | |
1689 | pair_p f; | |
1690 | const char *oldval = d->val; | |
1691 | const char *oldprevval1 = d->prev_val[1]; | |
1692 | const char *oldprevval2 = d->prev_val[2]; | |
1693 | const int union_p = t->kind == TYPE_UNION; | |
1694 | int seen_default_p = 0; | |
1695 | options_p o; | |
1696 | ||
1697 | if (! t->u.s.line.file) | |
1698 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); | |
e2500fed | 1699 | |
17211ab5 | 1700 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
e2500fed | 1701 | { |
17211ab5 GK |
1702 | error_at_line (d->line, |
1703 | "structure `%s' defined for mismatching languages", | |
1704 | t->u.s.tag); | |
1705 | error_at_line (&t->u.s.line, "one structure defined here"); | |
1706 | } | |
e2500fed | 1707 | |
17211ab5 GK |
1708 | /* Some things may also be defined in the structure's options. */ |
1709 | for (o = t->u.s.opt; o; o = o->next) | |
1710 | if (! desc && strcmp (o->name, "desc") == 0) | |
1711 | desc = (const char *)o->info; | |
e2500fed | 1712 | |
17211ab5 GK |
1713 | d->prev_val[2] = oldval; |
1714 | d->prev_val[1] = oldprevval2; | |
1715 | if (union_p) | |
1716 | { | |
1717 | if (desc == NULL) | |
e2500fed | 1718 | { |
17211ab5 GK |
1719 | error_at_line (d->line, "missing `desc' option for union `%s'", |
1720 | t->u.s.tag); | |
1721 | desc = "1"; | |
e2500fed | 1722 | } |
17211ab5 GK |
1723 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
1724 | output_escaped_param (d, desc, "desc"); | |
1725 | oprintf (d->of, ")\n"); | |
1726 | d->indent += 2; | |
1727 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
1728 | } | |
1729 | for (f = t->u.s.fields; f; f = f->next) | |
1730 | { | |
1731 | options_p oo; | |
1732 | const char *dot = "."; | |
1733 | const char *tagid = NULL; | |
1734 | int skip_p = 0; | |
1735 | int default_p = 0; | |
1736 | int use_param_p = 0; | |
1737 | char *newval; | |
1738 | ||
1739 | d->reorder_fn = NULL; | |
1740 | for (oo = f->opt; oo; oo = oo->next) | |
1741 | if (strcmp (oo->name, "dot") == 0) | |
1742 | dot = (const char *)oo->info; | |
1743 | else if (strcmp (oo->name, "tag") == 0) | |
1744 | tagid = (const char *)oo->info; | |
1745 | else if (strcmp (oo->name, "skip") == 0) | |
1746 | skip_p = 1; | |
1747 | else if (strcmp (oo->name, "default") == 0) | |
1748 | default_p = 1; | |
1749 | else if (strcmp (oo->name, "reorder") == 0) | |
1750 | d->reorder_fn = (const char *)oo->info; | |
1751 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
1752 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
1753 | use_param_p = 1; | |
1754 | ||
1755 | if (skip_p) | |
1756 | continue; | |
1757 | ||
1758 | if (union_p && tagid) | |
e2500fed | 1759 | { |
17211ab5 GK |
1760 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
1761 | d->indent += 2; | |
e2500fed | 1762 | } |
17211ab5 | 1763 | else if (union_p && default_p) |
e2500fed | 1764 | { |
17211ab5 GK |
1765 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
1766 | d->indent += 2; | |
1767 | seen_default_p = 1; | |
e2500fed | 1768 | } |
17211ab5 | 1769 | else if (! union_p && (default_p || tagid)) |
3d7aafde | 1770 | error_at_line (d->line, |
17211ab5 GK |
1771 | "can't use `%s' outside a union on field `%s'", |
1772 | default_p ? "default" : "tag", f->name); | |
1773 | else if (union_p && ! (default_p || tagid) | |
1774 | && f->type->kind == TYPE_SCALAR) | |
e2500fed | 1775 | { |
17211ab5 GK |
1776 | fprintf (stderr, |
1777 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", | |
1778 | d->line->file, d->line->line, f->name); | |
1779 | continue; | |
e2500fed | 1780 | } |
17211ab5 | 1781 | else if (union_p && ! (default_p || tagid)) |
3d7aafde | 1782 | error_at_line (d->line, |
17211ab5 | 1783 | "field `%s' is missing `tag' or `default' option", |
e2500fed | 1784 | f->name); |
3d7aafde | 1785 | |
17211ab5 GK |
1786 | d->line = &f->line; |
1787 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
1788 | d->opt = f->opt; | |
1789 | ||
1790 | if (union_p && use_param_p && d->param == NULL) | |
1791 | oprintf (d->of, "%*sabort();\n", d->indent, ""); | |
1792 | else | |
1793 | walk_type (f->type, d); | |
1794 | ||
1795 | free (newval); | |
1796 | ||
1797 | if (union_p) | |
e2500fed | 1798 | { |
17211ab5 GK |
1799 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
1800 | d->indent -= 2; | |
e2500fed | 1801 | } |
17211ab5 GK |
1802 | } |
1803 | d->reorder_fn = NULL; | |
e2500fed | 1804 | |
17211ab5 GK |
1805 | d->val = oldval; |
1806 | d->prev_val[1] = oldprevval1; | |
1807 | d->prev_val[2] = oldprevval2; | |
1808 | ||
1809 | if (union_p && ! seen_default_p) | |
1810 | { | |
1811 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
1812 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
1813 | } | |
1814 | if (union_p) | |
1815 | { | |
1816 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1817 | d->indent -= 2; | |
e2500fed | 1818 | } |
17211ab5 GK |
1819 | } |
1820 | break; | |
e2500fed | 1821 | |
17211ab5 GK |
1822 | case TYPE_LANG_STRUCT: |
1823 | { | |
1824 | type_p nt; | |
1825 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
1826 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
1827 | break; | |
1828 | if (nt == NULL) | |
1829 | error_at_line (d->line, "structure `%s' differs between languages", | |
1830 | t->u.s.tag); | |
1831 | else | |
1832 | walk_type (nt, d); | |
1833 | } | |
1834 | break; | |
1835 | ||
1836 | case TYPE_PARAM_STRUCT: | |
1837 | { | |
1838 | type_p *oldparam = d->param; | |
3d7aafde | 1839 | |
17211ab5 GK |
1840 | d->param = t->u.param_struct.param; |
1841 | walk_type (t->u.param_struct.stru, d); | |
1842 | d->param = oldparam; | |
1843 | } | |
1844 | break; | |
3d7aafde | 1845 | |
17211ab5 GK |
1846 | default: |
1847 | abort (); | |
e2500fed | 1848 | } |
17211ab5 GK |
1849 | } |
1850 | ||
1851 | /* process_field routine for marking routines. */ | |
1852 | ||
1853 | static void | |
3d7aafde | 1854 | write_types_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
1855 | { |
1856 | const struct write_types_data *wtd; | |
f099d360 | 1857 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
17211ab5 | 1858 | wtd = (const struct write_types_data *) d->cookie; |
3d7aafde | 1859 | |
17211ab5 | 1860 | switch (f->kind) |
e2500fed | 1861 | { |
17211ab5 | 1862 | case TYPE_POINTER: |
3d7aafde | 1863 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
f099d360 | 1864 | wtd->subfield_marker_routine, cast, d->val); |
17211ab5 | 1865 | if (wtd->param_prefix) |
36a5eadd | 1866 | { |
17211ab5 GK |
1867 | oprintf (d->of, ", %s", d->prev_val[3]); |
1868 | if (d->orig_s) | |
1869 | { | |
1870 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
1871 | output_mangled_typename (d->of, d->orig_s); | |
1872 | } | |
1873 | else | |
1874 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
36a5eadd | 1875 | } |
17211ab5 GK |
1876 | oprintf (d->of, ");\n"); |
1877 | if (d->reorder_fn && wtd->reorder_note_routine) | |
3d7aafde | 1878 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
f099d360 | 1879 | wtd->reorder_note_routine, cast, d->val, |
17211ab5 GK |
1880 | d->prev_val[3], d->reorder_fn); |
1881 | break; | |
1882 | ||
1883 | case TYPE_STRING: | |
1884 | if (wtd->param_prefix == NULL) | |
1885 | break; | |
1886 | ||
1887 | case TYPE_STRUCT: | |
1888 | case TYPE_UNION: | |
1889 | case TYPE_LANG_STRUCT: | |
1890 | case TYPE_PARAM_STRUCT: | |
1891 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
1892 | output_mangled_typename (d->of, f); | |
f099d360 | 1893 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
17211ab5 | 1894 | if (d->reorder_fn && wtd->reorder_note_routine) |
3d7aafde | 1895 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
f099d360 | 1896 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
17211ab5 GK |
1897 | d->reorder_fn); |
1898 | break; | |
1899 | ||
1900 | case TYPE_SCALAR: | |
1901 | break; | |
3d7aafde | 1902 | |
17211ab5 GK |
1903 | default: |
1904 | abort (); | |
e2500fed GK |
1905 | } |
1906 | } | |
1907 | ||
17211ab5 GK |
1908 | /* For S, a structure that's part of ORIG_S, and using parameters |
1909 | PARAM, write out a routine that: | |
1910 | - Takes a parameter, a void * but actually of type *S | |
1911 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
1912 | field of S or its substructures and (in some cases) things | |
1913 | that are pointed to by S. | |
1914 | */ | |
9f313342 | 1915 | |
e2500fed | 1916 | static void |
3d7aafde AJ |
1917 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
1918 | const struct write_types_data *wtd) | |
e2500fed | 1919 | { |
36a5eadd GK |
1920 | const char *fn = s->u.s.line.file; |
1921 | int i; | |
1922 | const char *chain_next = NULL; | |
1923 | const char *chain_prev = NULL; | |
1924 | options_p opt; | |
17211ab5 | 1925 | struct walk_type_data d; |
3d7aafde | 1926 | |
36a5eadd GK |
1927 | /* This is a hack, and not the good kind either. */ |
1928 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 1929 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
36a5eadd GK |
1930 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
1931 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 1932 | |
17211ab5 GK |
1933 | memset (&d, 0, sizeof (d)); |
1934 | d.of = get_output_file_with_visibility (fn); | |
3d7aafde | 1935 | |
36a5eadd GK |
1936 | for (opt = s->u.s.opt; opt; opt = opt->next) |
1937 | if (strcmp (opt->name, "chain_next") == 0) | |
1938 | chain_next = (const char *) opt->info; | |
1939 | else if (strcmp (opt->name, "chain_prev") == 0) | |
1940 | chain_prev = (const char *) opt->info; | |
1941 | ||
1942 | if (chain_prev != NULL && chain_next == NULL) | |
1943 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
1944 | ||
17211ab5 GK |
1945 | d.process_field = write_types_process_field; |
1946 | d.cookie = wtd; | |
1947 | d.orig_s = orig_s; | |
1948 | d.opt = s->u.s.opt; | |
1949 | d.line = &s->u.s.line; | |
1950 | d.bitmap = s->u.s.bitmap; | |
1951 | d.param = param; | |
1952 | d.prev_val[0] = "*x"; | |
1953 | d.prev_val[1] = "not valid postage"; /* guarantee an error */ | |
1954 | d.prev_val[3] = "x"; | |
1955 | d.val = "(*x)"; | |
1956 | ||
1957 | oprintf (d.of, "\n"); | |
1958 | oprintf (d.of, "void\n"); | |
e2500fed | 1959 | if (param == NULL) |
17211ab5 | 1960 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
e2500fed | 1961 | else |
36a5eadd | 1962 | { |
17211ab5 GK |
1963 | oprintf (d.of, "gt_%s_", wtd->prefix); |
1964 | output_mangled_typename (d.of, orig_s); | |
36a5eadd | 1965 | } |
17211ab5 GK |
1966 | oprintf (d.of, " (x_p)\n"); |
1967 | oprintf (d.of, " void *x_p;\n"); | |
1968 | oprintf (d.of, "{\n"); | |
1969 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
e2500fed | 1970 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
36a5eadd | 1971 | chain_next == NULL ? "const " : "", |
e2500fed | 1972 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
36a5eadd | 1973 | if (chain_next != NULL) |
17211ab5 | 1974 | oprintf (d.of, " %s %s * xlimit = x;\n", |
36a5eadd GK |
1975 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
1976 | if (chain_next == NULL) | |
17211ab5 GK |
1977 | { |
1978 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
1979 | if (wtd->param_prefix) | |
1980 | { | |
1981 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
1982 | output_mangled_typename (d.of, orig_s); | |
1983 | } | |
1984 | oprintf (d.of, "))\n"); | |
1985 | } | |
36a5eadd GK |
1986 | else |
1987 | { | |
17211ab5 GK |
1988 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); |
1989 | if (wtd->param_prefix) | |
1990 | { | |
1991 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
1992 | output_mangled_typename (d.of, orig_s); | |
1993 | } | |
1994 | oprintf (d.of, "))\n"); | |
1995 | oprintf (d.of, " xlimit = ("); | |
1996 | d.prev_val[2] = "*xlimit"; | |
1997 | output_escaped_param (&d, chain_next, "chain_next"); | |
1998 | oprintf (d.of, ");\n"); | |
36a5eadd GK |
1999 | if (chain_prev != NULL) |
2000 | { | |
17211ab5 GK |
2001 | oprintf (d.of, " if (x != xlimit)\n"); |
2002 | oprintf (d.of, " for (;;)\n"); | |
2003 | oprintf (d.of, " {\n"); | |
2004 | oprintf (d.of, " %s %s * const xprev = (", | |
36a5eadd | 2005 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
3d7aafde | 2006 | |
17211ab5 GK |
2007 | d.prev_val[2] = "*x"; |
2008 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
2009 | oprintf (d.of, ");\n"); | |
2010 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
2011 | oprintf (d.of, " x = xprev;\n"); | |
3d7aafde | 2012 | oprintf (d.of, " (void) %s (xprev", |
17211ab5 GK |
2013 | wtd->marker_routine); |
2014 | if (wtd->param_prefix) | |
2015 | { | |
2016 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
2017 | output_mangled_typename (d.of, orig_s); | |
2018 | } | |
2019 | oprintf (d.of, ");\n"); | |
2020 | oprintf (d.of, " }\n"); | |
36a5eadd | 2021 | } |
17211ab5 | 2022 | oprintf (d.of, " while (x != xlimit)\n"); |
36a5eadd | 2023 | } |
17211ab5 | 2024 | oprintf (d.of, " {\n"); |
3d7aafde | 2025 | |
17211ab5 GK |
2026 | d.prev_val[2] = "*x"; |
2027 | d.indent = 6; | |
2028 | walk_type (s, &d); | |
3d7aafde | 2029 | |
36a5eadd GK |
2030 | if (chain_next != NULL) |
2031 | { | |
17211ab5 GK |
2032 | oprintf (d.of, " x = ("); |
2033 | output_escaped_param (&d, chain_next, "chain_next"); | |
2034 | oprintf (d.of, ");\n"); | |
36a5eadd GK |
2035 | } |
2036 | ||
17211ab5 GK |
2037 | oprintf (d.of, " }\n"); |
2038 | oprintf (d.of, "}\n"); | |
e2500fed | 2039 | } |
9f313342 GK |
2040 | |
2041 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
e2500fed GK |
2042 | |
2043 | static void | |
3d7aafde AJ |
2044 | write_types (type_p structures, type_p param_structs, |
2045 | const struct write_types_data *wtd) | |
e2500fed GK |
2046 | { |
2047 | type_p s; | |
3d7aafde | 2048 | |
17211ab5 | 2049 | oprintf (header_file, "\n/* %s*/\n", wtd->comment); |
e2500fed GK |
2050 | for (s = structures; s; s = s->next) |
2051 | if (s->gc_used == GC_POINTED_TO | |
2052 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2053 | { | |
2054 | options_p opt; | |
3d7aafde | 2055 | |
e2500fed GK |
2056 | if (s->gc_used == GC_MAYBE_POINTED_TO |
2057 | && s->u.s.line.file == NULL) | |
2058 | continue; | |
2059 | ||
17211ab5 | 2060 | oprintf (header_file, "#define gt_%s_", wtd->prefix); |
36a5eadd GK |
2061 | output_mangled_typename (header_file, s); |
2062 | oprintf (header_file, "(X) do { \\\n"); | |
e03856fe | 2063 | oprintf (header_file, |
3d7aafde | 2064 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
17211ab5 | 2065 | s->u.s.tag); |
e03856fe | 2066 | oprintf (header_file, |
e2500fed | 2067 | " } while (0)\n"); |
3d7aafde | 2068 | |
e2500fed GK |
2069 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2070 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2071 | { | |
2072 | type_p t = (type_p) opt->info; | |
3d7aafde | 2073 | if (t->kind == TYPE_STRUCT |
e2500fed GK |
2074 | || t->kind == TYPE_UNION |
2075 | || t->kind == TYPE_LANG_STRUCT) | |
e03856fe | 2076 | oprintf (header_file, |
17211ab5 GK |
2077 | "#define gt_%sx_%s gt_%sx_%s\n", |
2078 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
e2500fed | 2079 | else |
3d7aafde | 2080 | error_at_line (&s->u.s.line, |
e2500fed GK |
2081 | "structure alias is not a structure"); |
2082 | break; | |
2083 | } | |
2084 | if (opt) | |
2085 | continue; | |
2086 | ||
2087 | /* Declare the marker procedure only once. */ | |
3d7aafde AJ |
2088 | oprintf (header_file, |
2089 | "extern void gt_%sx_%s (void *);\n", | |
17211ab5 | 2090 | wtd->prefix, s->u.s.tag); |
3d7aafde | 2091 | |
e2500fed GK |
2092 | if (s->u.s.line.file == NULL) |
2093 | { | |
3d7aafde | 2094 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2095 | s->u.s.tag); |
2096 | continue; | |
2097 | } | |
3d7aafde | 2098 | |
e2500fed GK |
2099 | if (s->kind == TYPE_LANG_STRUCT) |
2100 | { | |
2101 | type_p ss; | |
2102 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 | 2103 | write_func_for_structure (s, ss, NULL, wtd); |
e2500fed GK |
2104 | } |
2105 | else | |
17211ab5 | 2106 | write_func_for_structure (s, s, NULL, wtd); |
e2500fed GK |
2107 | } |
2108 | ||
2109 | for (s = param_structs; s; s = s->next) | |
2110 | if (s->gc_used == GC_POINTED_TO) | |
2111 | { | |
36a5eadd | 2112 | type_p * param = s->u.param_struct.param; |
e2500fed GK |
2113 | type_p stru = s->u.param_struct.stru; |
2114 | ||
e2500fed | 2115 | /* Declare the marker procedure. */ |
17211ab5 | 2116 | oprintf (header_file, "extern void gt_%s_", wtd->prefix); |
36a5eadd | 2117 | output_mangled_typename (header_file, s); |
3d7aafde AJ |
2118 | oprintf (header_file, " (void *);\n"); |
2119 | ||
e2500fed GK |
2120 | if (stru->u.s.line.file == NULL) |
2121 | { | |
3d7aafde | 2122 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2123 | s->u.s.tag); |
2124 | continue; | |
2125 | } | |
3d7aafde | 2126 | |
e2500fed GK |
2127 | if (stru->kind == TYPE_LANG_STRUCT) |
2128 | { | |
2129 | type_p ss; | |
2130 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 GK |
2131 | write_func_for_structure (s, ss, param, wtd); |
2132 | } | |
2133 | else | |
2134 | write_func_for_structure (s, stru, param, wtd); | |
2135 | } | |
2136 | } | |
2137 | ||
2138 | static const struct write_types_data ggc_wtd = | |
2139 | { | |
2140 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, | |
2141 | "GC marker procedures. " | |
2142 | }; | |
2143 | ||
2144 | static const struct write_types_data pch_wtd = | |
2145 | { | |
2146 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", | |
2147 | "gt_pch_note_reorder", | |
2148 | "PCH type-walking procedures. " | |
2149 | }; | |
2150 | ||
2151 | /* Write out the local pointer-walking routines. */ | |
2152 | ||
2153 | /* process_field routine for local pointer-walking. */ | |
2154 | ||
2155 | static void | |
3d7aafde | 2156 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2157 | { |
2158 | switch (f->kind) | |
2159 | { | |
2160 | case TYPE_POINTER: | |
2161 | case TYPE_STRUCT: | |
2162 | case TYPE_UNION: | |
2163 | case TYPE_LANG_STRUCT: | |
2164 | case TYPE_PARAM_STRUCT: | |
2165 | case TYPE_STRING: | |
2166 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
2167 | d->prev_val[3]); | |
2168 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
2169 | break; | |
2170 | ||
2171 | case TYPE_SCALAR: | |
2172 | break; | |
3d7aafde | 2173 | |
17211ab5 GK |
2174 | default: |
2175 | abort (); | |
2176 | } | |
2177 | } | |
2178 | ||
2179 | /* For S, a structure that's part of ORIG_S, and using parameters | |
2180 | PARAM, write out a routine that: | |
2181 | - Is of type gt_note_pointers | |
2182 | - If calls PROCESS_FIELD on each field of S or its substructures. | |
2183 | */ | |
2184 | ||
2185 | static void | |
3d7aafde | 2186 | write_local_func_for_structure (type_p orig_s, type_p s, type_p *param) |
17211ab5 GK |
2187 | { |
2188 | const char *fn = s->u.s.line.file; | |
2189 | int i; | |
2190 | struct walk_type_data d; | |
3d7aafde | 2191 | |
17211ab5 GK |
2192 | /* This is a hack, and not the good kind either. */ |
2193 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2194 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
17211ab5 GK |
2195 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2196 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2197 | |
17211ab5 GK |
2198 | memset (&d, 0, sizeof (d)); |
2199 | d.of = get_output_file_with_visibility (fn); | |
3d7aafde | 2200 | |
17211ab5 GK |
2201 | d.process_field = write_types_local_process_field; |
2202 | d.opt = s->u.s.opt; | |
2203 | d.line = &s->u.s.line; | |
2204 | d.bitmap = s->u.s.bitmap; | |
2205 | d.param = param; | |
2206 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
2207 | d.prev_val[1] = "not valid postage"; /* guarantee an error */ | |
2208 | d.prev_val[3] = "x"; | |
2209 | d.val = "(*x)"; | |
2210 | ||
2211 | oprintf (d.of, "\n"); | |
2212 | oprintf (d.of, "void\n"); | |
2213 | oprintf (d.of, "gt_pch_p_"); | |
2214 | output_mangled_typename (d.of, orig_s); | |
2215 | oprintf (d.of, " (this_obj, x_p, op, cookie)\n"); | |
2216 | oprintf (d.of, " void *this_obj ATTRIBUTE_UNUSED;\n"); | |
2217 | oprintf (d.of, " void *x_p;\n"); | |
2218 | oprintf (d.of, " gt_pointer_operator op ATTRIBUTE_UNUSED;\n"); | |
2219 | oprintf (d.of, " void *cookie ATTRIBUTE_UNUSED;\n"); | |
2220 | oprintf (d.of, "{\n"); | |
2221 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
2222 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
2223 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
2224 | d.indent = 2; | |
2225 | walk_type (s, &d); | |
2226 | oprintf (d.of, "}\n"); | |
2227 | } | |
2228 | ||
2229 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
2230 | ||
2231 | static void | |
3d7aafde | 2232 | write_local (type_p structures, type_p param_structs) |
17211ab5 GK |
2233 | { |
2234 | type_p s; | |
3d7aafde | 2235 | |
17211ab5 GK |
2236 | oprintf (header_file, "\n/* Local pointer-walking routines. */\n"); |
2237 | for (s = structures; s; s = s->next) | |
2238 | if (s->gc_used == GC_POINTED_TO | |
2239 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2240 | { | |
2241 | options_p opt; | |
3d7aafde | 2242 | |
17211ab5 GK |
2243 | if (s->u.s.line.file == NULL) |
2244 | continue; | |
2245 | ||
2246 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2247 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2248 | { | |
2249 | type_p t = (type_p) opt->info; | |
3d7aafde | 2250 | if (t->kind == TYPE_STRUCT |
17211ab5 GK |
2251 | || t->kind == TYPE_UNION |
2252 | || t->kind == TYPE_LANG_STRUCT) | |
2253 | { | |
2254 | oprintf (header_file, "#define gt_pch_p_"); | |
2255 | output_mangled_typename (header_file, s); | |
2256 | oprintf (header_file, " gt_pch_p_"); | |
2257 | output_mangled_typename (header_file, t); | |
2258 | oprintf (header_file, "\n"); | |
2259 | } | |
2260 | else | |
3d7aafde | 2261 | error_at_line (&s->u.s.line, |
17211ab5 GK |
2262 | "structure alias is not a structure"); |
2263 | break; | |
2264 | } | |
2265 | if (opt) | |
2266 | continue; | |
2267 | ||
2268 | /* Declare the marker procedure only once. */ | |
2269 | oprintf (header_file, "extern void gt_pch_p_"); | |
2270 | output_mangled_typename (header_file, s); | |
3d7aafde AJ |
2271 | oprintf (header_file, |
2272 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2273 | ||
17211ab5 GK |
2274 | if (s->kind == TYPE_LANG_STRUCT) |
2275 | { | |
2276 | type_p ss; | |
2277 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2278 | write_local_func_for_structure (s, ss, NULL); | |
2279 | } | |
2280 | else | |
2281 | write_local_func_for_structure (s, s, NULL); | |
2282 | } | |
2283 | ||
2284 | for (s = param_structs; s; s = s->next) | |
2285 | if (s->gc_used == GC_POINTED_TO) | |
2286 | { | |
2287 | type_p * param = s->u.param_struct.param; | |
2288 | type_p stru = s->u.param_struct.stru; | |
2289 | ||
2290 | /* Declare the marker procedure. */ | |
2291 | oprintf (header_file, "extern void gt_pch_p_"); | |
2292 | output_mangled_typename (header_file, s); | |
3d7aafde AJ |
2293 | oprintf (header_file, |
2294 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2295 | ||
17211ab5 GK |
2296 | if (stru->u.s.line.file == NULL) |
2297 | { | |
3d7aafde | 2298 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
17211ab5 GK |
2299 | s->u.s.tag); |
2300 | continue; | |
2301 | } | |
3d7aafde | 2302 | |
17211ab5 GK |
2303 | if (stru->kind == TYPE_LANG_STRUCT) |
2304 | { | |
2305 | type_p ss; | |
2306 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
2307 | write_local_func_for_structure (s, ss, param); | |
e2500fed GK |
2308 | } |
2309 | else | |
17211ab5 | 2310 | write_local_func_for_structure (s, stru, param); |
36a5eadd GK |
2311 | } |
2312 | } | |
2313 | ||
2314 | /* Write out the 'enum' definition for gt_types_enum. */ | |
2315 | ||
2316 | static void | |
3d7aafde | 2317 | write_enum_defn (type_p structures, type_p param_structs) |
36a5eadd GK |
2318 | { |
2319 | type_p s; | |
3d7aafde | 2320 | |
36a5eadd GK |
2321 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
2322 | oprintf (header_file, "enum gt_types_enum {\n"); | |
2323 | for (s = structures; s; s = s->next) | |
2324 | if (s->gc_used == GC_POINTED_TO | |
2325 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2326 | { | |
2327 | if (s->gc_used == GC_MAYBE_POINTED_TO | |
2328 | && s->u.s.line.file == NULL) | |
2329 | continue; | |
2330 | ||
2331 | oprintf (header_file, " gt_ggc_e_"); | |
2332 | output_mangled_typename (header_file, s); | |
2333 | oprintf (header_file, ", \n"); | |
e2500fed | 2334 | } |
36a5eadd GK |
2335 | for (s = param_structs; s; s = s->next) |
2336 | if (s->gc_used == GC_POINTED_TO) | |
2337 | { | |
2338 | oprintf (header_file, " gt_e_"); | |
2339 | output_mangled_typename (header_file, s); | |
2340 | oprintf (header_file, ", \n"); | |
2341 | } | |
2342 | oprintf (header_file, " gt_types_enum_last\n"); | |
2343 | oprintf (header_file, "};\n"); | |
e2500fed GK |
2344 | } |
2345 | ||
17211ab5 GK |
2346 | /* Might T contain any non-pointer elements? */ |
2347 | ||
2348 | static int | |
3d7aafde | 2349 | contains_scalar_p (type_p t) |
17211ab5 GK |
2350 | { |
2351 | switch (t->kind) | |
2352 | { | |
2353 | case TYPE_STRING: | |
2354 | case TYPE_POINTER: | |
2355 | return 0; | |
2356 | case TYPE_ARRAY: | |
2357 | return contains_scalar_p (t->u.a.p); | |
2358 | default: | |
2359 | /* Could also check for structures that have no non-pointer | |
2360 | fields, but there aren't enough of those to worry about. */ | |
2361 | return 1; | |
2362 | } | |
2363 | } | |
36a5eadd | 2364 | |
9f313342 GK |
2365 | /* Mangle FN and print it to F. */ |
2366 | ||
e2500fed | 2367 | static void |
3d7aafde | 2368 | put_mangled_filename (outf_p f, const char *fn) |
e2500fed GK |
2369 | { |
2370 | const char *name = get_output_file_name (fn); | |
2371 | for (; *name != 0; name++) | |
1f8e4682 | 2372 | if (ISALNUM (*name)) |
e03856fe | 2373 | oprintf (f, "%c", *name); |
e2500fed | 2374 | else |
e03856fe | 2375 | oprintf (f, "%c", '_'); |
e2500fed GK |
2376 | } |
2377 | ||
9f313342 GK |
2378 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
2379 | LASTNAME, and NAME are all strings to insert in various places in | |
2380 | the resulting code. */ | |
2381 | ||
e2500fed | 2382 | static void |
3d7aafde AJ |
2383 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
2384 | const char *tname, const char *name) | |
e2500fed GK |
2385 | { |
2386 | struct flist *fli2; | |
3d7aafde | 2387 | |
e2500fed GK |
2388 | for (fli2 = flp; fli2; fli2 = fli2->next) |
2389 | if (fli2->started_p) | |
2390 | { | |
e03856fe GK |
2391 | oprintf (fli2->f, " %s\n", lastname); |
2392 | oprintf (fli2->f, "};\n\n"); | |
e2500fed GK |
2393 | } |
2394 | ||
2395 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
2396 | if (fli2->started_p) | |
2397 | { | |
2398 | lang_bitmap bitmap = get_base_file_bitmap (fli2->name); | |
2399 | int fnum; | |
2400 | ||
2401 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
2402 | if (bitmap & 1) | |
2403 | { | |
e03856fe | 2404 | oprintf (base_files[fnum], |
17211ab5 | 2405 | "extern const struct %s gt_%s_", |
e2500fed GK |
2406 | tname, pfx); |
2407 | put_mangled_filename (base_files[fnum], fli2->name); | |
e03856fe | 2408 | oprintf (base_files[fnum], "[];\n"); |
e2500fed GK |
2409 | } |
2410 | } | |
3d7aafde | 2411 | |
17211ab5 GK |
2412 | { |
2413 | size_t fnum; | |
2414 | for (fnum = 0; fnum < NUM_BASE_FILES; fnum++) | |
2415 | oprintf (base_files [fnum], | |
2416 | "const struct %s * const %s[] = {\n", | |
2417 | tname, name); | |
2418 | } | |
3d7aafde | 2419 | |
e2500fed GK |
2420 | |
2421 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
2422 | if (fli2->started_p) | |
2423 | { | |
2424 | lang_bitmap bitmap = get_base_file_bitmap (fli2->name); | |
2425 | int fnum; | |
2426 | ||
2427 | fli2->started_p = 0; | |
2428 | ||
2429 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
2430 | if (bitmap & 1) | |
2431 | { | |
17211ab5 | 2432 | oprintf (base_files[fnum], " gt_%s_", pfx); |
e2500fed | 2433 | put_mangled_filename (base_files[fnum], fli2->name); |
e03856fe | 2434 | oprintf (base_files[fnum], ",\n"); |
e2500fed GK |
2435 | } |
2436 | } | |
2437 | ||
2438 | { | |
17211ab5 GK |
2439 | size_t fnum; |
2440 | for (fnum = 0; fnum < NUM_BASE_FILES; fnum++) | |
2441 | { | |
2442 | oprintf (base_files[fnum], " NULL\n"); | |
2443 | oprintf (base_files[fnum], "};\n"); | |
2444 | } | |
e2500fed GK |
2445 | } |
2446 | } | |
2447 | ||
9f313342 GK |
2448 | /* Write out to F the table entry and any marker routines needed to |
2449 | mark NAME as TYPE. The original variable is V, at LINE. | |
2450 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED | |
2451 | is nonzero iff we are building the root table for hash table caches. */ | |
2452 | ||
e2500fed | 2453 | static void |
3d7aafde AJ |
2454 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
2455 | struct fileloc *line, const char *if_marked) | |
e2500fed GK |
2456 | { |
2457 | switch (type->kind) | |
2458 | { | |
2459 | case TYPE_STRUCT: | |
2460 | { | |
2461 | pair_p fld; | |
2462 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
2463 | { | |
2464 | int skip_p = 0; | |
2465 | const char *desc = NULL; | |
2466 | options_p o; | |
3d7aafde | 2467 | |
e2500fed GK |
2468 | for (o = fld->opt; o; o = o->next) |
2469 | if (strcmp (o->name, "skip") == 0) | |
2470 | skip_p = 1; | |
2471 | else if (strcmp (o->name, "desc") == 0) | |
2472 | desc = (const char *)o->info; | |
2473 | else | |
2474 | error_at_line (line, | |
2475 | "field `%s' of global `%s' has unknown option `%s'", | |
2476 | fld->name, name, o->name); | |
3d7aafde | 2477 | |
e2500fed GK |
2478 | if (skip_p) |
2479 | continue; | |
2480 | else if (desc && fld->type->kind == TYPE_UNION) | |
2481 | { | |
2482 | pair_p validf = NULL; | |
2483 | pair_p ufld; | |
3d7aafde | 2484 | |
e2500fed GK |
2485 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
2486 | { | |
2487 | const char *tag = NULL; | |
2488 | options_p oo; | |
3d7aafde | 2489 | |
e2500fed GK |
2490 | for (oo = ufld->opt; oo; oo = oo->next) |
2491 | if (strcmp (oo->name, "tag") == 0) | |
2492 | tag = (const char *)oo->info; | |
2493 | if (tag == NULL || strcmp (tag, desc) != 0) | |
2494 | continue; | |
2495 | if (validf != NULL) | |
3d7aafde | 2496 | error_at_line (line, |
e2500fed GK |
2497 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
2498 | name, fld->name, validf->name, | |
2499 | name, fld->name, ufld->name, | |
2500 | tag); | |
2501 | validf = ufld; | |
2502 | } | |
2503 | if (validf != NULL) | |
2504 | { | |
2505 | char *newname; | |
3d7aafde | 2506 | newname = xasprintf ("%s.%s.%s", |
e03856fe | 2507 | name, fld->name, validf->name); |
17211ab5 GK |
2508 | write_root (f, v, validf->type, newname, 0, line, |
2509 | if_marked); | |
e2500fed GK |
2510 | free (newname); |
2511 | } | |
2512 | } | |
2513 | else if (desc) | |
3d7aafde | 2514 | error_at_line (line, |
e2500fed GK |
2515 | "global `%s.%s' has `desc' option but is not union", |
2516 | name, fld->name); | |
2517 | else | |
2518 | { | |
2519 | char *newname; | |
e03856fe | 2520 | newname = xasprintf ("%s.%s", name, fld->name); |
17211ab5 | 2521 | write_root (f, v, fld->type, newname, 0, line, if_marked); |
e2500fed GK |
2522 | free (newname); |
2523 | } | |
2524 | } | |
2525 | } | |
2526 | break; | |
2527 | ||
2528 | case TYPE_ARRAY: | |
2529 | { | |
2530 | char *newname; | |
e03856fe | 2531 | newname = xasprintf ("%s[0]", name); |
17211ab5 | 2532 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked); |
e2500fed GK |
2533 | free (newname); |
2534 | } | |
2535 | break; | |
3d7aafde | 2536 | |
e2500fed GK |
2537 | case TYPE_POINTER: |
2538 | { | |
2539 | type_p ap, tp; | |
3d7aafde | 2540 | |
e03856fe GK |
2541 | oprintf (f, " {\n"); |
2542 | oprintf (f, " &%s,\n", name); | |
2543 | oprintf (f, " 1"); | |
3d7aafde | 2544 | |
e2500fed GK |
2545 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
2546 | if (ap->u.a.len[0]) | |
e03856fe | 2547 | oprintf (f, " * (%s)", ap->u.a.len); |
e2500fed | 2548 | else if (ap == v->type) |
62c71f4b | 2549 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); |
e03856fe GK |
2550 | oprintf (f, ",\n"); |
2551 | oprintf (f, " sizeof (%s", v->name); | |
e2500fed | 2552 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
e03856fe GK |
2553 | oprintf (f, "[0]"); |
2554 | oprintf (f, "),\n"); | |
3d7aafde | 2555 | |
e2500fed | 2556 | tp = type->u.p; |
3d7aafde | 2557 | |
e2500fed GK |
2558 | if (! has_length && UNION_OR_STRUCT_P (tp)) |
2559 | { | |
17211ab5 GK |
2560 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
2561 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
e2500fed GK |
2562 | } |
2563 | else if (! has_length && tp->kind == TYPE_PARAM_STRUCT) | |
2564 | { | |
36a5eadd GK |
2565 | oprintf (f, " >_ggc_m_"); |
2566 | output_mangled_typename (f, tp); | |
17211ab5 GK |
2567 | oprintf (f, ",\n >_pch_n_"); |
2568 | output_mangled_typename (f, tp); | |
e2500fed GK |
2569 | } |
2570 | else if (has_length | |
afb0f770 | 2571 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
e2500fed | 2572 | { |
17211ab5 GK |
2573 | oprintf (f, " >_ggc_ma_%s,\n", name); |
2574 | oprintf (f, " >_pch_na_%s", name); | |
e2500fed GK |
2575 | } |
2576 | else | |
2577 | { | |
3d7aafde | 2578 | error_at_line (line, |
e2500fed GK |
2579 | "global `%s' is pointer to unimplemented type", |
2580 | name); | |
2581 | } | |
2582 | if (if_marked) | |
e03856fe GK |
2583 | oprintf (f, ",\n &%s", if_marked); |
2584 | oprintf (f, "\n },\n"); | |
e2500fed GK |
2585 | } |
2586 | break; | |
2587 | ||
e2500fed | 2588 | case TYPE_STRING: |
17211ab5 GK |
2589 | { |
2590 | oprintf (f, " {\n"); | |
2591 | oprintf (f, " &%s,\n", name); | |
2592 | oprintf (f, " 1, \n"); | |
2593 | oprintf (f, " sizeof (%s),\n", v->name); | |
2594 | oprintf (f, " >_ggc_m_S,\n"); | |
f099d360 | 2595 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
17211ab5 GK |
2596 | oprintf (f, " },\n"); |
2597 | } | |
2598 | break; | |
3d7aafde | 2599 | |
17211ab5 | 2600 | case TYPE_SCALAR: |
e2500fed | 2601 | break; |
3d7aafde | 2602 | |
e2500fed | 2603 | default: |
3d7aafde | 2604 | error_at_line (line, |
e2500fed GK |
2605 | "global `%s' is unimplemented type", |
2606 | name); | |
2607 | } | |
2608 | } | |
2609 | ||
17211ab5 GK |
2610 | /* This generates a routine to walk an array. */ |
2611 | ||
2612 | static void | |
3d7aafde | 2613 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
17211ab5 GK |
2614 | { |
2615 | struct walk_type_data d; | |
2616 | char *prevval3; | |
3d7aafde | 2617 | |
17211ab5 GK |
2618 | memset (&d, 0, sizeof (d)); |
2619 | d.of = f; | |
2620 | d.cookie = wtd; | |
2621 | d.indent = 2; | |
2622 | d.line = &v->line; | |
2623 | d.opt = v->opt; | |
2624 | d.bitmap = get_base_file_bitmap (v->line.file); | |
2625 | d.param = NULL; | |
2626 | ||
2627 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
2628 | ||
2629 | if (wtd->param_prefix) | |
2630 | { | |
2631 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
3d7aafde AJ |
2632 | oprintf (f, |
2633 | " (void *, void *, gt_pointer_operator, void *);\n"); | |
2634 | oprintf (f, "static void gt_%sa_%s (this_obj, x_p, op, cookie)\n", | |
17211ab5 GK |
2635 | wtd->param_prefix, v->name); |
2636 | oprintf (d.of, " void *this_obj ATTRIBUTE_UNUSED;\n"); | |
2637 | oprintf (d.of, " void *x_p ATTRIBUTE_UNUSED;\n"); | |
2638 | oprintf (d.of, " gt_pointer_operator op ATTRIBUTE_UNUSED;\n"); | |
2639 | oprintf (d.of, " void *cookie ATTRIBUTE_UNUSED;\n"); | |
2640 | oprintf (d.of, "{\n"); | |
2641 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
2642 | d.process_field = write_types_local_process_field; | |
2643 | walk_type (v->type, &d); | |
2644 | oprintf (f, "}\n\n"); | |
2645 | } | |
2646 | ||
2647 | d.opt = v->opt; | |
3d7aafde | 2648 | oprintf (f, "static void gt_%sa_%s (void *);\n", |
17211ab5 GK |
2649 | wtd->prefix, v->name); |
2650 | oprintf (f, "static void\ngt_%sa_%s (x_p)\n", | |
2651 | wtd->prefix, v->name); | |
2652 | oprintf (f, " void *x_p ATTRIBUTE_UNUSED;\n"); | |
2653 | oprintf (f, "{\n"); | |
2654 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
2655 | d.process_field = write_types_process_field; | |
2656 | walk_type (v->type, &d); | |
2657 | free (prevval3); | |
2658 | oprintf (f, "}\n\n"); | |
2659 | } | |
2660 | ||
9f313342 GK |
2661 | /* Output a table describing the locations and types of VARIABLES. */ |
2662 | ||
e2500fed | 2663 | static void |
3d7aafde | 2664 | write_roots (pair_p variables) |
e2500fed GK |
2665 | { |
2666 | pair_p v; | |
2667 | struct flist *flp = NULL; | |
2668 | ||
2669 | for (v = variables; v; v = v->next) | |
2670 | { | |
e03856fe | 2671 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
2672 | struct flist *fli; |
2673 | const char *length = NULL; | |
2674 | int deletable_p = 0; | |
2675 | options_p o; | |
2676 | ||
2677 | for (o = v->opt; o; o = o->next) | |
2678 | if (strcmp (o->name, "length") == 0) | |
2679 | length = (const char *)o->info; | |
2680 | else if (strcmp (o->name, "deletable") == 0) | |
2681 | deletable_p = 1; | |
2682 | else if (strcmp (o->name, "param_is") == 0) | |
2683 | ; | |
3d7aafde | 2684 | else if (strncmp (o->name, "param", 5) == 0 |
36a5eadd GK |
2685 | && ISDIGIT (o->name[5]) |
2686 | && strcmp (o->name + 6, "_is") == 0) | |
2687 | ; | |
e2500fed GK |
2688 | else if (strcmp (o->name, "if_marked") == 0) |
2689 | ; | |
2690 | else | |
3d7aafde | 2691 | error_at_line (&v->line, |
e2500fed GK |
2692 | "global `%s' has unknown option `%s'", |
2693 | v->name, o->name); | |
2694 | ||
2695 | for (fli = flp; fli; fli = fli->next) | |
2696 | if (fli->f == f) | |
2697 | break; | |
2698 | if (fli == NULL) | |
2699 | { | |
2700 | fli = xmalloc (sizeof (*fli)); | |
2701 | fli->f = f; | |
2702 | fli->next = flp; | |
2703 | fli->started_p = 0; | |
2704 | fli->name = v->line.file; | |
2705 | flp = fli; | |
2706 | ||
e03856fe | 2707 | oprintf (f, "\n/* GC roots. */\n\n"); |
e2500fed GK |
2708 | } |
2709 | ||
2710 | if (! deletable_p | |
2711 | && length | |
2712 | && v->type->kind == TYPE_POINTER | |
2713 | && (v->type->u.p->kind == TYPE_POINTER | |
2714 | || v->type->u.p->kind == TYPE_STRUCT)) | |
2715 | { | |
17211ab5 GK |
2716 | write_array (f, v, &ggc_wtd); |
2717 | write_array (f, v, &pch_wtd); | |
e2500fed GK |
2718 | } |
2719 | } | |
2720 | ||
2721 | for (v = variables; v; v = v->next) | |
2722 | { | |
e03856fe | 2723 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
2724 | struct flist *fli; |
2725 | int skip_p = 0; | |
2726 | int length_p = 0; | |
2727 | options_p o; | |
3d7aafde | 2728 | |
e2500fed GK |
2729 | for (o = v->opt; o; o = o->next) |
2730 | if (strcmp (o->name, "length") == 0) | |
2731 | length_p = 1; | |
2732 | else if (strcmp (o->name, "deletable") == 0 | |
2733 | || strcmp (o->name, "if_marked") == 0) | |
2734 | skip_p = 1; | |
2735 | ||
2736 | if (skip_p) | |
2737 | continue; | |
2738 | ||
2739 | for (fli = flp; fli; fli = fli->next) | |
2740 | if (fli->f == f) | |
2741 | break; | |
2742 | if (! fli->started_p) | |
2743 | { | |
2744 | fli->started_p = 1; | |
2745 | ||
e03856fe | 2746 | oprintf (f, "const struct ggc_root_tab gt_ggc_r_"); |
e2500fed | 2747 | put_mangled_filename (f, v->line.file); |
e03856fe | 2748 | oprintf (f, "[] = {\n"); |
e2500fed GK |
2749 | } |
2750 | ||
17211ab5 | 2751 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); |
e2500fed GK |
2752 | } |
2753 | ||
3d7aafde | 2754 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
2755 | "gt_ggc_rtab"); |
2756 | ||
2757 | for (v = variables; v; v = v->next) | |
2758 | { | |
e03856fe | 2759 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
2760 | struct flist *fli; |
2761 | int skip_p = 1; | |
2762 | options_p o; | |
2763 | ||
2764 | for (o = v->opt; o; o = o->next) | |
2765 | if (strcmp (o->name, "deletable") == 0) | |
2766 | skip_p = 0; | |
2767 | else if (strcmp (o->name, "if_marked") == 0) | |
2768 | skip_p = 1; | |
2769 | ||
2770 | if (skip_p) | |
2771 | continue; | |
2772 | ||
2773 | for (fli = flp; fli; fli = fli->next) | |
2774 | if (fli->f == f) | |
2775 | break; | |
2776 | if (! fli->started_p) | |
2777 | { | |
2778 | fli->started_p = 1; | |
2779 | ||
e03856fe | 2780 | oprintf (f, "const struct ggc_root_tab gt_ggc_rd_"); |
e2500fed | 2781 | put_mangled_filename (f, v->line.file); |
e03856fe | 2782 | oprintf (f, "[] = {\n"); |
e2500fed | 2783 | } |
3d7aafde | 2784 | |
17211ab5 | 2785 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
e2500fed GK |
2786 | v->name, v->name); |
2787 | } | |
3d7aafde | 2788 | |
17211ab5 | 2789 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
2790 | "gt_ggc_deletable_rtab"); |
2791 | ||
2792 | for (v = variables; v; v = v->next) | |
2793 | { | |
e03856fe | 2794 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
2795 | struct flist *fli; |
2796 | const char *if_marked = NULL; | |
2797 | int length_p = 0; | |
2798 | options_p o; | |
3d7aafde | 2799 | |
e2500fed GK |
2800 | for (o = v->opt; o; o = o->next) |
2801 | if (strcmp (o->name, "length") == 0) | |
2802 | length_p = 1; | |
2803 | else if (strcmp (o->name, "if_marked") == 0) | |
2804 | if_marked = (const char *) o->info; | |
2805 | ||
2806 | if (if_marked == NULL) | |
2807 | continue; | |
2808 | ||
2809 | if (v->type->kind != TYPE_POINTER | |
2810 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
2811 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
2812 | { | |
2813 | error_at_line (&v->line, "if_marked option used but not hash table"); | |
2814 | continue; | |
2815 | } | |
2816 | ||
2817 | for (fli = flp; fli; fli = fli->next) | |
2818 | if (fli->f == f) | |
2819 | break; | |
2820 | if (! fli->started_p) | |
2821 | { | |
2822 | fli->started_p = 1; | |
2823 | ||
e03856fe | 2824 | oprintf (f, "const struct ggc_cache_tab gt_ggc_rc_"); |
e2500fed | 2825 | put_mangled_filename (f, v->line.file); |
e03856fe | 2826 | oprintf (f, "[] = {\n"); |
e2500fed | 2827 | } |
3d7aafde | 2828 | |
17211ab5 | 2829 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
e2500fed GK |
2830 | v->name, length_p, &v->line, if_marked); |
2831 | } | |
3d7aafde | 2832 | |
17211ab5 | 2833 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
e2500fed | 2834 | "gt_ggc_cache_rtab"); |
17211ab5 GK |
2835 | |
2836 | for (v = variables; v; v = v->next) | |
2837 | { | |
2838 | outf_p f = get_output_file_with_visibility (v->line.file); | |
2839 | struct flist *fli; | |
2840 | int length_p = 0; | |
2841 | int if_marked_p = 0; | |
2842 | options_p o; | |
3d7aafde | 2843 | |
17211ab5 GK |
2844 | for (o = v->opt; o; o = o->next) |
2845 | if (strcmp (o->name, "length") == 0) | |
2846 | length_p = 1; | |
2847 | else if (strcmp (o->name, "if_marked") == 0) | |
2848 | if_marked_p = 1; | |
2849 | ||
2850 | if (! if_marked_p) | |
2851 | continue; | |
2852 | ||
2853 | for (fli = flp; fli; fli = fli->next) | |
2854 | if (fli->f == f) | |
2855 | break; | |
2856 | if (! fli->started_p) | |
2857 | { | |
2858 | fli->started_p = 1; | |
2859 | ||
2860 | oprintf (f, "const struct ggc_root_tab gt_pch_rc_"); | |
2861 | put_mangled_filename (f, v->line.file); | |
2862 | oprintf (f, "[] = {\n"); | |
2863 | } | |
2864 | ||
2865 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); | |
2866 | } | |
3d7aafde | 2867 | |
17211ab5 GK |
2868 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
2869 | "gt_pch_cache_rtab"); | |
2870 | ||
2871 | for (v = variables; v; v = v->next) | |
2872 | { | |
2873 | outf_p f = get_output_file_with_visibility (v->line.file); | |
2874 | struct flist *fli; | |
2875 | int skip_p = 0; | |
2876 | options_p o; | |
2877 | ||
2878 | for (o = v->opt; o; o = o->next) | |
2879 | if (strcmp (o->name, "deletable") == 0 | |
2880 | || strcmp (o->name, "if_marked") == 0) | |
2881 | skip_p = 1; | |
2882 | ||
2883 | if (skip_p) | |
2884 | continue; | |
2885 | ||
2886 | if (! contains_scalar_p (v->type)) | |
2887 | continue; | |
2888 | ||
2889 | for (fli = flp; fli; fli = fli->next) | |
2890 | if (fli->f == f) | |
2891 | break; | |
2892 | if (! fli->started_p) | |
2893 | { | |
2894 | fli->started_p = 1; | |
2895 | ||
2896 | oprintf (f, "const struct ggc_root_tab gt_pch_rs_"); | |
2897 | put_mangled_filename (f, v->line.file); | |
2898 | oprintf (f, "[] = {\n"); | |
2899 | } | |
3d7aafde | 2900 | |
17211ab5 GK |
2901 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
2902 | v->name, v->name); | |
2903 | } | |
3d7aafde | 2904 | |
17211ab5 GK |
2905 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
2906 | "gt_pch_scalar_rtab"); | |
e2500fed GK |
2907 | } |
2908 | ||
2909 | \f | |
3d7aafde AJ |
2910 | extern int main (int argc, char **argv); |
2911 | int | |
2912 | main(int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) | |
e2500fed | 2913 | { |
8ac9d31f | 2914 | unsigned i; |
e2500fed | 2915 | static struct fileloc pos = { __FILE__, __LINE__ }; |
8ac9d31f | 2916 | unsigned j; |
3d7aafde | 2917 | |
36a5eadd GK |
2918 | gen_rtx_next (); |
2919 | ||
8ac9d31f | 2920 | srcdir_len = strlen (srcdir); |
e2500fed | 2921 | |
36a5eadd GK |
2922 | do_scalar_typedef ("CUMULATIVE_ARGS", &pos); |
2923 | do_scalar_typedef ("REAL_VALUE_TYPE", &pos); | |
2924 | do_scalar_typedef ("uint8", &pos); | |
2925 | do_scalar_typedef ("jword", &pos); | |
2926 | do_scalar_typedef ("JCF_u2", &pos); | |
2927 | ||
e2500fed GK |
2928 | do_typedef ("PTR", create_pointer (create_scalar_type ("void", |
2929 | strlen ("void"))), | |
2930 | &pos); | |
ed8d2920 MM |
2931 | do_typedef ("HARD_REG_SET", create_array ( |
2932 | create_scalar_type ("unsigned long", strlen ("unsigned long")), | |
2933 | "2"), &pos); | |
2934 | ||
8ac9d31f TJ |
2935 | for (i = 0; i < NUM_GT_FILES; i++) |
2936 | { | |
2937 | int dupflag = 0; | |
2938 | /* Omit if already seen. */ | |
2939 | for (j = 0; j < i; j++) | |
2940 | { | |
2941 | if (!strcmp (all_files[i], all_files[j])) | |
2942 | { | |
2943 | dupflag = 1; | |
2944 | break; | |
2945 | } | |
2946 | } | |
2947 | if (!dupflag) | |
2948 | parse_file (all_files[i]); | |
2949 | } | |
e2500fed GK |
2950 | |
2951 | if (hit_error != 0) | |
2952 | exit (1); | |
2953 | ||
2954 | set_gc_used (variables); | |
2955 | ||
2956 | open_base_files (); | |
36a5eadd | 2957 | write_enum_defn (structures, param_structs); |
17211ab5 GK |
2958 | write_types (structures, param_structs, &ggc_wtd); |
2959 | write_types (structures, param_structs, &pch_wtd); | |
2960 | write_local (structures, param_structs); | |
2961 | write_roots (variables); | |
36a5eadd | 2962 | write_rtx_next (); |
e2500fed GK |
2963 | close_output_files (); |
2964 | ||
2965 | return (hit_error != 0); | |
2966 | } |