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Commit | Line | Data |
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e2500fed | 1 | /* Process source files and output type information. |
62e5bf5d RS |
2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 |
3 | Free Software Foundation, Inc. | |
e2500fed GK |
4 | |
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it under | |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 2, or (at your option) any later | |
10 | version. | |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GCC; see the file COPYING. If not, write to the Free | |
356f9ab3 KC |
19 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
20 | 02110-1301, USA. */ | |
e2500fed | 21 | |
4977bab6 | 22 | #include "bconfig.h" |
e2500fed | 23 | #include "system.h" |
e2500fed | 24 | #include "gengtype.h" |
8ac9d31f | 25 | #include "gtyp-gen.h" |
4a399aef | 26 | #include "errors.h" /* for fatal */ |
5ba6918e | 27 | |
9f313342 | 28 | /* Nonzero iff an error has occurred. */ |
e2500fed | 29 | static int hit_error = 0; |
9f313342 | 30 | |
3d7aafde AJ |
31 | static void gen_rtx_next (void); |
32 | static void write_rtx_next (void); | |
33 | static void open_base_files (void); | |
34 | static void close_output_files (void); | |
ef171ead | 35 | |
9f313342 GK |
36 | /* Report an error at POS, printing MSG. */ |
37 | ||
e2500fed | 38 | void |
e34d07f2 | 39 | error_at_line (struct fileloc *pos, const char *msg, ...) |
e2500fed | 40 | { |
e34d07f2 | 41 | va_list ap; |
3d7aafde | 42 | |
e34d07f2 | 43 | va_start (ap, msg); |
e2500fed GK |
44 | |
45 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
46 | vfprintf (stderr, msg, ap); | |
47 | fputc ('\n', stderr); | |
48 | hit_error = 1; | |
49 | ||
e34d07f2 | 50 | va_end (ap); |
e2500fed GK |
51 | } |
52 | ||
e03856fe GK |
53 | /* vasprintf, but produces fatal message on out-of-memory. */ |
54 | int | |
3d7aafde | 55 | xvasprintf (char **result, const char *format, va_list args) |
e03856fe GK |
56 | { |
57 | int ret = vasprintf (result, format, args); | |
58 | if (*result == NULL || ret < 0) | |
59 | { | |
60 | fputs ("gengtype: out of memory", stderr); | |
61 | xexit (1); | |
62 | } | |
63 | return ret; | |
64 | } | |
65 | ||
66 | /* Wrapper for xvasprintf. */ | |
67 | char * | |
e34d07f2 | 68 | xasprintf (const char *format, ...) |
e03856fe GK |
69 | { |
70 | char *result; | |
e34d07f2 | 71 | va_list ap; |
3d7aafde | 72 | |
e34d07f2 | 73 | va_start (ap, format); |
e03856fe | 74 | xvasprintf (&result, format, ap); |
e34d07f2 | 75 | va_end (ap); |
e03856fe GK |
76 | return result; |
77 | } | |
78 | ||
9f313342 GK |
79 | /* The one and only TYPE_STRING. */ |
80 | ||
e2500fed | 81 | struct type string_type = { |
4ff58371 | 82 | TYPE_STRING, NULL, NULL, GC_USED, {0} |
3d7aafde | 83 | }; |
e2500fed | 84 | |
9f313342 GK |
85 | /* Lists of various things. */ |
86 | ||
e2500fed GK |
87 | static pair_p typedefs; |
88 | static type_p structures; | |
89 | static type_p param_structs; | |
90 | static pair_p variables; | |
91 | ||
3d7aafde AJ |
92 | static void do_scalar_typedef (const char *, struct fileloc *); |
93 | static type_p find_param_structure | |
94 | (type_p t, type_p param[NUM_PARAM]); | |
95 | static type_p adjust_field_tree_exp (type_p t, options_p opt); | |
96 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
36a5eadd | 97 | |
9f313342 GK |
98 | /* Define S as a typedef to T at POS. */ |
99 | ||
e2500fed | 100 | void |
3d7aafde | 101 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
e2500fed GK |
102 | { |
103 | pair_p p; | |
104 | ||
105 | for (p = typedefs; p != NULL; p = p->next) | |
106 | if (strcmp (p->name, s) == 0) | |
107 | { | |
108 | if (p->type != t) | |
109 | { | |
110 | error_at_line (pos, "type `%s' previously defined", s); | |
111 | error_at_line (&p->line, "previously defined here"); | |
112 | } | |
113 | return; | |
114 | } | |
115 | ||
5d038c4c | 116 | p = XNEW (struct pair); |
e2500fed GK |
117 | p->next = typedefs; |
118 | p->name = s; | |
119 | p->type = t; | |
120 | p->line = *pos; | |
121 | typedefs = p; | |
122 | } | |
123 | ||
36a5eadd GK |
124 | /* Define S as a typename of a scalar. */ |
125 | ||
126 | static void | |
3d7aafde | 127 | do_scalar_typedef (const char *s, struct fileloc *pos) |
36a5eadd GK |
128 | { |
129 | do_typedef (s, create_scalar_type (s, strlen (s)), pos); | |
130 | } | |
131 | ||
e34bb004 | 132 | /* Return the type previously defined for S. Use POS to report errors. */ |
9f313342 | 133 | |
e2500fed | 134 | type_p |
3d7aafde | 135 | resolve_typedef (const char *s, struct fileloc *pos) |
e2500fed GK |
136 | { |
137 | pair_p p; | |
138 | for (p = typedefs; p != NULL; p = p->next) | |
139 | if (strcmp (p->name, s) == 0) | |
140 | return p->type; | |
141 | error_at_line (pos, "unidentified type `%s'", s); | |
142 | return create_scalar_type ("char", 4); | |
143 | } | |
144 | ||
0f01f026 RS |
145 | /* Create and return a new structure with tag NAME (or a union iff |
146 | ISUNION is nonzero), at POS with fields FIELDS and options O. */ | |
9f313342 | 147 | |
0f01f026 | 148 | type_p |
3d7aafde AJ |
149 | new_structure (const char *name, int isunion, struct fileloc *pos, |
150 | pair_p fields, options_p o) | |
e2500fed GK |
151 | { |
152 | type_p si; | |
153 | type_p s = NULL; | |
154 | lang_bitmap bitmap = get_base_file_bitmap (pos->file); | |
155 | ||
156 | for (si = structures; si != NULL; si = si->next) | |
3d7aafde | 157 | if (strcmp (name, si->u.s.tag) == 0 |
e2500fed GK |
158 | && UNION_P (si) == isunion) |
159 | { | |
160 | type_p ls = NULL; | |
161 | if (si->kind == TYPE_LANG_STRUCT) | |
162 | { | |
163 | ls = si; | |
3d7aafde | 164 | |
e2500fed GK |
165 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
166 | if (si->u.s.bitmap == bitmap) | |
167 | s = si; | |
168 | } | |
169 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
170 | { | |
171 | ls = si; | |
5d038c4c | 172 | si = XCNEW (struct type); |
e2500fed GK |
173 | memcpy (si, ls, sizeof (struct type)); |
174 | ls->kind = TYPE_LANG_STRUCT; | |
175 | ls->u.s.lang_struct = si; | |
176 | ls->u.s.fields = NULL; | |
177 | si->next = NULL; | |
178 | si->pointer_to = NULL; | |
179 | si->u.s.lang_struct = ls; | |
180 | } | |
181 | else | |
182 | s = si; | |
183 | ||
184 | if (ls != NULL && s == NULL) | |
185 | { | |
5d038c4c | 186 | s = XCNEW (struct type); |
e2500fed GK |
187 | s->next = ls->u.s.lang_struct; |
188 | ls->u.s.lang_struct = s; | |
189 | s->u.s.lang_struct = ls; | |
190 | } | |
191 | break; | |
192 | } | |
3d7aafde | 193 | |
e2500fed GK |
194 | if (s == NULL) |
195 | { | |
5d038c4c | 196 | s = XCNEW (struct type); |
e2500fed GK |
197 | s->next = structures; |
198 | structures = s; | |
199 | } | |
200 | ||
201 | if (s->u.s.line.file != NULL | |
202 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
203 | { | |
204 | error_at_line (pos, "duplicate structure definition"); | |
205 | error_at_line (&s->u.s.line, "previous definition here"); | |
206 | } | |
207 | ||
208 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
209 | s->u.s.tag = name; | |
210 | s->u.s.line = *pos; | |
211 | s->u.s.fields = fields; | |
212 | s->u.s.opt = o; | |
213 | s->u.s.bitmap = bitmap; | |
214 | if (s->u.s.lang_struct) | |
215 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
0f01f026 RS |
216 | |
217 | return s; | |
e2500fed GK |
218 | } |
219 | ||
9f313342 GK |
220 | /* Return the previously-defined structure with tag NAME (or a union |
221 | iff ISUNION is nonzero), or a new empty structure or union if none | |
222 | was defined previously. */ | |
223 | ||
e2500fed | 224 | type_p |
3d7aafde | 225 | find_structure (const char *name, int isunion) |
e2500fed GK |
226 | { |
227 | type_p s; | |
228 | ||
229 | for (s = structures; s != NULL; s = s->next) | |
3d7aafde | 230 | if (strcmp (name, s->u.s.tag) == 0 |
e2500fed GK |
231 | && UNION_P (s) == isunion) |
232 | return s; | |
233 | ||
5d038c4c | 234 | s = XCNEW (struct type); |
e2500fed GK |
235 | s->next = structures; |
236 | structures = s; | |
237 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
238 | s->u.s.tag = name; | |
239 | structures = s; | |
240 | return s; | |
241 | } | |
242 | ||
272d0bee KH |
243 | /* Return the previously-defined parameterized structure for structure |
244 | T and parameters PARAM, or a new parameterized empty structure or | |
991b6592 | 245 | union if none was defined previously. */ |
36a5eadd GK |
246 | |
247 | static type_p | |
3d7aafde | 248 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
36a5eadd GK |
249 | { |
250 | type_p res; | |
3d7aafde | 251 | |
36a5eadd GK |
252 | for (res = param_structs; res; res = res->next) |
253 | if (res->u.param_struct.stru == t | |
3d7aafde | 254 | && memcmp (res->u.param_struct.param, param, |
36a5eadd GK |
255 | sizeof (type_p) * NUM_PARAM) == 0) |
256 | break; | |
257 | if (res == NULL) | |
258 | { | |
5d038c4c | 259 | res = XCNEW (struct type); |
36a5eadd GK |
260 | res->kind = TYPE_PARAM_STRUCT; |
261 | res->next = param_structs; | |
262 | param_structs = res; | |
263 | res->u.param_struct.stru = t; | |
264 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
265 | } | |
266 | return res; | |
267 | } | |
268 | ||
9f313342 GK |
269 | /* Return a scalar type with name NAME. */ |
270 | ||
e2500fed | 271 | type_p |
3d7aafde | 272 | create_scalar_type (const char *name, size_t name_len) |
e2500fed | 273 | { |
5d038c4c | 274 | type_p r = XCNEW (struct type); |
e2500fed | 275 | r->kind = TYPE_SCALAR; |
5d038c4c | 276 | r->u.sc = (char *) xmemdup (name, name_len, name_len + 1); |
e2500fed GK |
277 | return r; |
278 | } | |
279 | ||
9f313342 GK |
280 | /* Return a pointer to T. */ |
281 | ||
e2500fed | 282 | type_p |
3d7aafde | 283 | create_pointer (type_p t) |
e2500fed GK |
284 | { |
285 | if (! t->pointer_to) | |
286 | { | |
5d038c4c | 287 | type_p r = XCNEW (struct type); |
e2500fed GK |
288 | r->kind = TYPE_POINTER; |
289 | r->u.p = t; | |
290 | t->pointer_to = r; | |
291 | } | |
292 | return t->pointer_to; | |
293 | } | |
294 | ||
9f313342 GK |
295 | /* Return an array of length LEN. */ |
296 | ||
e2500fed | 297 | type_p |
3d7aafde | 298 | create_array (type_p t, const char *len) |
e2500fed GK |
299 | { |
300 | type_p v; | |
3d7aafde | 301 | |
5d038c4c | 302 | v = XCNEW (struct type); |
e2500fed GK |
303 | v->kind = TYPE_ARRAY; |
304 | v->u.a.p = t; | |
305 | v->u.a.len = len; | |
306 | return v; | |
307 | } | |
308 | ||
0f01f026 RS |
309 | /* Return an options structure with name NAME and info INFO. NEXT is the |
310 | next option in the chain. */ | |
311 | ||
1431042e | 312 | options_p |
0f01f026 | 313 | create_option (options_p next, const char *name, const void *info) |
1431042e | 314 | { |
5d038c4c | 315 | options_p o = XNEW (struct options); |
0f01f026 | 316 | o->next = next; |
1431042e | 317 | o->name = name; |
9e2878cf | 318 | o->info = (const char*) info; |
1431042e ZW |
319 | return o; |
320 | } | |
321 | ||
36a5eadd GK |
322 | /* Add a variable named S of type T with options O defined at POS, |
323 | to `variables'. */ | |
324 | ||
325 | void | |
3d7aafde | 326 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
36a5eadd GK |
327 | { |
328 | pair_p n; | |
5d038c4c | 329 | n = XNEW (struct pair); |
36a5eadd GK |
330 | n->name = s; |
331 | n->type = t; | |
332 | n->line = *pos; | |
333 | n->opt = o; | |
334 | n->next = variables; | |
335 | variables = n; | |
336 | } | |
337 | ||
0f01f026 RS |
338 | /* Create a fake field with the given type and name. NEXT is the next |
339 | field in the chain. */ | |
340 | ||
341 | static pair_p | |
342 | create_field (pair_p next, type_p type, const char *name) | |
343 | { | |
344 | pair_p field; | |
345 | ||
346 | field = XNEW (struct pair); | |
347 | field->next = next; | |
348 | field->type = type; | |
349 | field->name = name; | |
350 | field->opt = NULL; | |
351 | field->line.file = __FILE__; | |
352 | field->line.line = __LINE__; | |
353 | return field; | |
354 | } | |
355 | ||
aacd3885 RS |
356 | /* Like create_field, but the field is only valid when condition COND |
357 | is true. */ | |
358 | ||
359 | static pair_p | |
360 | create_optional_field (pair_p next, type_p type, const char *name, | |
361 | const char *cond) | |
362 | { | |
363 | static int id = 1; | |
364 | pair_p union_fields, field; | |
365 | type_p union_type; | |
366 | ||
367 | /* Create a fake union type with a single nameless field of type TYPE. | |
368 | The field has a tag of "1". This allows us to make the presence | |
369 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
370 | union_fields = create_field (NULL, type, ""); | |
371 | union_fields->opt = create_option (union_fields->opt, "dot", ""); | |
372 | union_fields->opt = create_option (union_fields->opt, "tag", "1"); | |
373 | union_type = new_structure (xasprintf ("%s_%d", "fake_union", id++), 1, | |
374 | &lexer_line, union_fields, NULL); | |
375 | ||
376 | /* Create the field and give it the new fake union type. Add a "desc" | |
377 | tag that specifies the condition under which the field is valid. */ | |
378 | field = create_field (next, union_type, name); | |
379 | field->opt = create_option (field->opt, "desc", cond); | |
380 | return field; | |
381 | } | |
382 | ||
9e995780 | 383 | /* We don't care how long a CONST_DOUBLE is. */ |
36a5eadd | 384 | #define CONST_DOUBLE_FORMAT "ww" |
9e995780 ZW |
385 | /* We don't want to see codes that are only for generator files. */ |
386 | #undef GENERATOR_FILE | |
387 | ||
388 | enum rtx_code { | |
389 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , | |
390 | #include "rtl.def" | |
391 | #undef DEF_RTL_EXPR | |
392 | NUM_RTX_CODE | |
393 | }; | |
394 | ||
395 | static const char * const rtx_name[NUM_RTX_CODE] = { | |
396 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , | |
397 | #include "rtl.def" | |
398 | #undef DEF_RTL_EXPR | |
399 | }; | |
400 | ||
401 | static const char * const rtx_format[NUM_RTX_CODE] = { | |
36a5eadd GK |
402 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
403 | #include "rtl.def" | |
404 | #undef DEF_RTL_EXPR | |
405 | }; | |
406 | ||
5ba6918e | 407 | static int rtx_next_new[NUM_RTX_CODE]; |
36a5eadd | 408 | |
9e995780 ZW |
409 | /* We also need codes and names for insn notes (not register notes). |
410 | Note that we do *not* bias the note values here. */ | |
411 | enum insn_note { | |
412 | #define DEF_INSN_NOTE(NAME) NAME, | |
413 | #include "insn-notes.def" | |
414 | #undef DEF_INSN_NOTE | |
415 | ||
416 | NOTE_INSN_MAX | |
417 | }; | |
418 | ||
79e4e6a6 JW |
419 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
420 | default field for line number notes. */ | |
421 | static const char *const note_insn_name[NOTE_INSN_MAX+1] = { | |
9e995780 ZW |
422 | #define DEF_INSN_NOTE(NAME) #NAME, |
423 | #include "insn-notes.def" | |
424 | #undef DEF_INSN_NOTE | |
425 | }; | |
426 | ||
427 | #undef CONST_DOUBLE_FORMAT | |
428 | #define GENERATOR_FILE | |
429 | ||
36a5eadd GK |
430 | /* Generate the contents of the rtx_next array. This really doesn't belong |
431 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
432 | ||
433 | static void | |
3d7aafde | 434 | gen_rtx_next (void) |
36a5eadd GK |
435 | { |
436 | int i; | |
437 | for (i = 0; i < NUM_RTX_CODE; i++) | |
438 | { | |
439 | int k; | |
3d7aafde | 440 | |
5ba6918e | 441 | rtx_next_new[i] = -1; |
36a5eadd | 442 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
5ba6918e | 443 | rtx_next_new[i] = 2; |
36a5eadd | 444 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
5ba6918e | 445 | rtx_next_new[i] = 1; |
3d7aafde | 446 | else |
36a5eadd GK |
447 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
448 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
5ba6918e | 449 | rtx_next_new[i] = k; |
36a5eadd GK |
450 | } |
451 | } | |
452 | ||
453 | /* Write out the contents of the rtx_next array. */ | |
454 | static void | |
3d7aafde | 455 | write_rtx_next (void) |
36a5eadd GK |
456 | { |
457 | outf_p f = get_output_file_with_visibility (NULL); | |
458 | int i; | |
3d7aafde | 459 | |
36a5eadd GK |
460 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
461 | oprintf (f, "const unsigned char rtx_next[NUM_RTX_CODE] = {\n"); | |
462 | for (i = 0; i < NUM_RTX_CODE; i++) | |
5ba6918e | 463 | if (rtx_next_new[i] == -1) |
36a5eadd GK |
464 | oprintf (f, " 0,\n"); |
465 | else | |
3d7aafde | 466 | oprintf (f, |
e1de1560 | 467 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", |
5ba6918e | 468 | rtx_next_new[i]); |
36a5eadd GK |
469 | oprintf (f, "};\n"); |
470 | } | |
471 | ||
472 | /* Handle `special("rtx_def")'. This is a special case for field | |
473 | `fld' of struct rtx_def, which is an array of unions whose values | |
474 | are based in a complex way on the type of RTL. */ | |
475 | ||
476 | static type_p | |
e18476eb | 477 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
36a5eadd GK |
478 | { |
479 | pair_p flds = NULL; | |
480 | options_p nodot; | |
481 | int i; | |
482 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
c185c797 | 483 | type_p bitmap_tp, basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
36a5eadd | 484 | |
e1de1560 | 485 | if (t->kind != TYPE_UNION) |
36a5eadd | 486 | { |
3d7aafde | 487 | error_at_line (&lexer_line, |
e1de1560 | 488 | "special `rtx_def' must be applied to a union"); |
36a5eadd GK |
489 | return &string_type; |
490 | } | |
3d7aafde | 491 | |
0f01f026 | 492 | nodot = create_option (NULL, "dot", ""); |
36a5eadd GK |
493 | |
494 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
495 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
496 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
497 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
a560d4d4 | 498 | reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0)); |
36a5eadd GK |
499 | bitmap_tp = create_pointer (find_structure ("bitmap_element_def", 0)); |
500 | basic_block_tp = create_pointer (find_structure ("basic_block_def", 0)); | |
c185c797 | 501 | constant_tp = create_pointer (find_structure ("constant_descriptor_rtx", 0)); |
36a5eadd GK |
502 | scalar_tp = create_scalar_type ("rtunion scalar", 14); |
503 | ||
504 | { | |
505 | pair_p note_flds = NULL; | |
506 | int c; | |
5ba6918e | 507 | |
9e995780 | 508 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
36a5eadd | 509 | { |
5ba6918e GK |
510 | switch (c) |
511 | { | |
5ba6918e | 512 | case NOTE_INSN_MAX: |
0f01f026 | 513 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
5ba6918e GK |
514 | break; |
515 | ||
516 | case NOTE_INSN_BLOCK_BEG: | |
517 | case NOTE_INSN_BLOCK_END: | |
0f01f026 | 518 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
5ba6918e | 519 | break; |
3d7aafde | 520 | |
014a1138 | 521 | case NOTE_INSN_VAR_LOCATION: |
0f01f026 | 522 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
5ba6918e GK |
523 | break; |
524 | ||
525 | default: | |
0f01f026 | 526 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
5ba6918e GK |
527 | break; |
528 | } | |
0f01f026 RS |
529 | /* NOTE_INSN_MAX is used as the default field for line |
530 | number notes. */ | |
531 | if (c == NOTE_INSN_MAX) | |
532 | note_flds->opt = create_option (nodot, "default", ""); | |
533 | else | |
534 | note_flds->opt = create_option (nodot, "tag", note_insn_name[c]); | |
36a5eadd | 535 | } |
0f01f026 RS |
536 | note_union_tp = new_structure ("rtx_def_note_subunion", 1, |
537 | &lexer_line, note_flds, NULL); | |
36a5eadd | 538 | } |
c185c797 RS |
539 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
540 | { | |
541 | pair_p sym_flds; | |
542 | ||
543 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); | |
544 | sym_flds->opt = create_option (nodot, "default", ""); | |
545 | ||
546 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); | |
547 | sym_flds->opt = create_option (nodot, "tag", "1"); | |
548 | ||
549 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1, | |
550 | &lexer_line, sym_flds, NULL); | |
551 | } | |
36a5eadd GK |
552 | for (i = 0; i < NUM_RTX_CODE; i++) |
553 | { | |
36a5eadd GK |
554 | pair_p subfields = NULL; |
555 | size_t aindex, nmindex; | |
556 | const char *sname; | |
0f01f026 | 557 | type_p substruct; |
36a5eadd GK |
558 | char *ftag; |
559 | ||
560 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
561 | { | |
36a5eadd GK |
562 | type_p t; |
563 | const char *subname; | |
564 | ||
565 | switch (rtx_format[i][aindex]) | |
566 | { | |
567 | case '*': | |
568 | case 'i': | |
569 | case 'n': | |
570 | case 'w': | |
571 | t = scalar_tp; | |
9ce88f5e | 572 | subname = "rt_int"; |
36a5eadd GK |
573 | break; |
574 | ||
575 | case '0': | |
576 | if (i == MEM && aindex == 1) | |
9ce88f5e | 577 | t = mem_attrs_tp, subname = "rt_mem"; |
36a5eadd | 578 | else if (i == JUMP_INSN && aindex == 9) |
9ce88f5e | 579 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd | 580 | else if (i == CODE_LABEL && aindex == 4) |
9ce88f5e | 581 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 582 | else if (i == CODE_LABEL && aindex == 5) |
9ce88f5e | 583 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd GK |
584 | else if (i == LABEL_REF |
585 | && (aindex == 1 || aindex == 2)) | |
9ce88f5e | 586 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd GK |
587 | else if (i == NOTE && aindex == 4) |
588 | t = note_union_tp, subname = ""; | |
589 | else if (i == NOTE && aindex >= 7) | |
9ce88f5e | 590 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 591 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
9ce88f5e | 592 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 593 | else if (i == VALUE && aindex == 0) |
9ce88f5e | 594 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 595 | else if (i == REG && aindex == 1) |
9ce88f5e | 596 | t = scalar_tp, subname = "rt_int"; |
a560d4d4 | 597 | else if (i == REG && aindex == 2) |
9ce88f5e | 598 | t = reg_attrs_tp, subname = "rt_reg"; |
36a5eadd | 599 | else if (i == SCRATCH && aindex == 0) |
9ce88f5e | 600 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 601 | else if (i == SYMBOL_REF && aindex == 1) |
9ce88f5e | 602 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 603 | else if (i == SYMBOL_REF && aindex == 2) |
c185c797 | 604 | t = symbol_union_tp, subname = ""; |
36a5eadd | 605 | else if (i == BARRIER && aindex >= 3) |
9ce88f5e | 606 | t = scalar_tp, subname = "rt_int"; |
36a5eadd GK |
607 | else |
608 | { | |
3d7aafde | 609 | error_at_line (&lexer_line, |
6d8dd940 AJ |
610 | "rtx type `%s' has `0' in position %lu, can't handle", |
611 | rtx_name[i], (unsigned long) aindex); | |
36a5eadd | 612 | t = &string_type; |
9ce88f5e | 613 | subname = "rt_int"; |
36a5eadd GK |
614 | } |
615 | break; | |
3d7aafde | 616 | |
36a5eadd GK |
617 | case 's': |
618 | case 'S': | |
619 | case 'T': | |
620 | t = &string_type; | |
9ce88f5e | 621 | subname = "rt_str"; |
36a5eadd GK |
622 | break; |
623 | ||
624 | case 'e': | |
625 | case 'u': | |
626 | t = rtx_tp; | |
9ce88f5e | 627 | subname = "rt_rtx"; |
36a5eadd GK |
628 | break; |
629 | ||
630 | case 'E': | |
631 | case 'V': | |
632 | t = rtvec_tp; | |
9ce88f5e | 633 | subname = "rt_rtvec"; |
36a5eadd GK |
634 | break; |
635 | ||
636 | case 't': | |
637 | t = tree_tp; | |
9ce88f5e | 638 | subname = "rt_tree"; |
36a5eadd GK |
639 | break; |
640 | ||
641 | case 'b': | |
642 | t = bitmap_tp; | |
9ce88f5e | 643 | subname = "rt_bit"; |
36a5eadd GK |
644 | break; |
645 | ||
646 | case 'B': | |
647 | t = basic_block_tp; | |
9ce88f5e | 648 | subname = "rt_bb"; |
36a5eadd GK |
649 | break; |
650 | ||
651 | default: | |
3d7aafde | 652 | error_at_line (&lexer_line, |
6d8dd940 | 653 | "rtx type `%s' has `%c' in position %lu, can't handle", |
36a5eadd | 654 | rtx_name[i], rtx_format[i][aindex], |
6d8dd940 | 655 | (unsigned long)aindex); |
36a5eadd | 656 | t = &string_type; |
9ce88f5e | 657 | subname = "rt_int"; |
36a5eadd GK |
658 | break; |
659 | } | |
660 | ||
0f01f026 RS |
661 | subfields = create_field (subfields, t, |
662 | xasprintf (".fld[%lu].%s", | |
663 | (unsigned long) aindex, | |
664 | subname)); | |
665 | subfields->opt = nodot; | |
36a5eadd | 666 | if (t == note_union_tp) |
0f01f026 RS |
667 | subfields->opt = create_option (subfields->opt, "desc", |
668 | "NOTE_LINE_NUMBER (&%0)"); | |
c185c797 RS |
669 | if (t == symbol_union_tp) |
670 | subfields->opt = create_option (subfields->opt, "desc", | |
671 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
36a5eadd GK |
672 | } |
673 | ||
aacd3885 RS |
674 | if (i == SYMBOL_REF) |
675 | { | |
3fa9c136 | 676 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P holds. */ |
aacd3885 | 677 | type_p field_tp = find_structure ("block_symbol", 0); |
3fa9c136 RS |
678 | subfields |
679 | = create_optional_field (subfields, field_tp, "block_sym", | |
680 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
aacd3885 RS |
681 | } |
682 | ||
36a5eadd | 683 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0f01f026 RS |
684 | substruct = new_structure (sname, 0, &lexer_line, subfields, NULL); |
685 | ||
36a5eadd GK |
686 | ftag = xstrdup (rtx_name[i]); |
687 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
688 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0f01f026 RS |
689 | |
690 | flds = create_field (flds, substruct, ""); | |
691 | flds->opt = create_option (nodot, "tag", ftag); | |
36a5eadd GK |
692 | } |
693 | ||
0f01f026 | 694 | return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
695 | } |
696 | ||
697 | /* Handle `special("tree_exp")'. This is a special case for | |
698 | field `operands' of struct tree_exp, which although it claims to contain | |
3d7aafde | 699 | pointers to trees, actually sometimes contains pointers to RTL too. |
36a5eadd GK |
700 | Passed T, the old type of the field, and OPT its options. Returns |
701 | a new type for the field. */ | |
702 | ||
703 | static type_p | |
3d7aafde | 704 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
36a5eadd GK |
705 | { |
706 | pair_p flds; | |
707 | options_p nodot; | |
3d7aafde | 708 | |
36a5eadd GK |
709 | if (t->kind != TYPE_ARRAY) |
710 | { | |
3d7aafde | 711 | error_at_line (&lexer_line, |
36a5eadd GK |
712 | "special `tree_exp' must be applied to an array"); |
713 | return &string_type; | |
714 | } | |
3d7aafde | 715 | |
0f01f026 RS |
716 | nodot = create_option (NULL, "dot", ""); |
717 | ||
718 | flds = create_field (NULL, t, ""); | |
719 | flds->opt = create_option (nodot, "length", | |
5039610b | 720 | "TREE_OPERAND_LENGTH ((tree) &%0)"); |
0f01f026 | 721 | flds->opt = create_option (flds->opt, "default", ""); |
3d7aafde | 722 | |
0f01f026 | 723 | return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
724 | } |
725 | ||
9f313342 GK |
726 | /* Perform any special processing on a type T, about to become the type |
727 | of a field. Return the appropriate type for the field. | |
728 | At present: | |
729 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
730 | - Similarly for arrays of pointer-to-char; | |
731 | - Converts structures for which a parameter is provided to | |
36a5eadd GK |
732 | TYPE_PARAM_STRUCT; |
733 | - Handles "special" options. | |
3d7aafde | 734 | */ |
9f313342 | 735 | |
e2500fed | 736 | type_p |
3d7aafde | 737 | adjust_field_type (type_p t, options_p opt) |
e2500fed GK |
738 | { |
739 | int length_p = 0; | |
740 | const int pointer_p = t->kind == TYPE_POINTER; | |
36a5eadd GK |
741 | type_p params[NUM_PARAM]; |
742 | int params_p = 0; | |
743 | int i; | |
744 | ||
745 | for (i = 0; i < NUM_PARAM; i++) | |
746 | params[i] = NULL; | |
3d7aafde | 747 | |
e2500fed GK |
748 | for (; opt; opt = opt->next) |
749 | if (strcmp (opt->name, "length") == 0) | |
750 | length_p = 1; | |
36a5eadd GK |
751 | else if (strcmp (opt->name, "param_is") == 0 |
752 | || (strncmp (opt->name, "param", 5) == 0 | |
753 | && ISDIGIT (opt->name[5]) | |
754 | && strcmp (opt->name + 6, "_is") == 0)) | |
e2500fed | 755 | { |
36a5eadd | 756 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
e2500fed | 757 | |
36a5eadd GK |
758 | if (! UNION_OR_STRUCT_P (t) |
759 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) | |
760 | { | |
3d7aafde | 761 | error_at_line (&lexer_line, |
36a5eadd GK |
762 | "option `%s' may only be applied to structures or structure pointers", |
763 | opt->name); | |
764 | return t; | |
765 | } | |
766 | ||
767 | params_p = 1; | |
768 | if (params[num] != NULL) | |
769 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
770 | if (! ISDIGIT (opt->name[5])) | |
771 | params[num] = create_pointer ((type_p) opt->info); | |
772 | else | |
773 | params[num] = (type_p) opt->info; | |
e2500fed | 774 | } |
36a5eadd GK |
775 | else if (strcmp (opt->name, "special") == 0) |
776 | { | |
9e2878cf | 777 | const char *special_name = opt->info; |
36a5eadd GK |
778 | if (strcmp (special_name, "tree_exp") == 0) |
779 | t = adjust_field_tree_exp (t, opt); | |
780 | else if (strcmp (special_name, "rtx_def") == 0) | |
781 | t = adjust_field_rtx_def (t, opt); | |
782 | else | |
783 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
784 | } | |
785 | ||
786 | if (params_p) | |
787 | { | |
788 | type_p realt; | |
3d7aafde | 789 | |
36a5eadd GK |
790 | if (pointer_p) |
791 | t = t->u.p; | |
792 | realt = find_param_structure (t, params); | |
793 | t = pointer_p ? create_pointer (realt) : realt; | |
794 | } | |
795 | ||
e2500fed GK |
796 | if (! length_p |
797 | && pointer_p | |
798 | && t->u.p->kind == TYPE_SCALAR | |
799 | && (strcmp (t->u.p->u.sc, "char") == 0 | |
800 | || strcmp (t->u.p->u.sc, "unsigned char") == 0)) | |
801 | return &string_type; | |
802 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
803 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
804 | && (strcmp (t->u.a.p->u.p->u.sc, "char") == 0 | |
805 | || strcmp (t->u.a.p->u.p->u.sc, "unsigned char") == 0)) | |
806 | return create_array (&string_type, t->u.a.len); | |
807 | ||
808 | return t; | |
809 | } | |
810 | ||
e2500fed | 811 | \f |
3d7aafde AJ |
812 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
813 | static void set_gc_used (pair_p); | |
e2500fed | 814 | |
9f313342 GK |
815 | /* Handle OPT for set_gc_used_type. */ |
816 | ||
e2500fed | 817 | static void |
3d7aafde | 818 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
5932ca9d | 819 | int *pass_param, int *length, int *skip, type_p *nested_ptr) |
e2500fed GK |
820 | { |
821 | options_p o; | |
822 | for (o = opt; o; o = o->next) | |
823 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
36a5eadd | 824 | set_gc_used_type ((type_p) o->info, GC_POINTED_TO, NULL); |
e2500fed GK |
825 | else if (strcmp (o->name, "maybe_undef") == 0) |
826 | *maybe_undef = 1; | |
36a5eadd GK |
827 | else if (strcmp (o->name, "use_params") == 0) |
828 | *pass_param = 1; | |
829 | else if (strcmp (o->name, "length") == 0) | |
830 | *length = 1; | |
5932ca9d ZW |
831 | else if (strcmp (o->name, "skip") == 0) |
832 | *skip = 1; | |
d8044160 GK |
833 | else if (strcmp (o->name, "nested_ptr") == 0) |
834 | *nested_ptr = ((const struct nested_ptr_data *) o->info)->type; | |
e2500fed GK |
835 | } |
836 | ||
9f313342 GK |
837 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
838 | ||
e2500fed | 839 | static void |
3d7aafde | 840 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
e2500fed GK |
841 | { |
842 | if (t->gc_used >= level) | |
843 | return; | |
3d7aafde | 844 | |
e2500fed GK |
845 | t->gc_used = level; |
846 | ||
847 | switch (t->kind) | |
848 | { | |
849 | case TYPE_STRUCT: | |
850 | case TYPE_UNION: | |
851 | { | |
852 | pair_p f; | |
853 | int dummy; | |
d8044160 | 854 | type_p dummy2; |
e2500fed | 855 | |
5932ca9d | 856 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
d8044160 | 857 | &dummy2); |
e2500fed GK |
858 | |
859 | for (f = t->u.s.fields; f; f = f->next) | |
860 | { | |
861 | int maybe_undef = 0; | |
36a5eadd GK |
862 | int pass_param = 0; |
863 | int length = 0; | |
5932ca9d | 864 | int skip = 0; |
d8044160 | 865 | type_p nested_ptr = NULL; |
36a5eadd | 866 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
5932ca9d | 867 | &length, &skip, &nested_ptr); |
3d7aafde | 868 | |
d8044160 GK |
869 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
870 | set_gc_used_type (nested_ptr, GC_POINTED_TO, | |
871 | pass_param ? param : NULL); | |
872 | else if (length && f->type->kind == TYPE_POINTER) | |
36a5eadd GK |
873 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
874 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
875 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
876 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
877 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
878 | GC_POINTED_TO, NULL); | |
5932ca9d ZW |
879 | else if (skip) |
880 | ; /* target type is not used through this field */ | |
e2500fed | 881 | else |
36a5eadd | 882 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
e2500fed GK |
883 | } |
884 | break; | |
885 | } | |
886 | ||
887 | case TYPE_POINTER: | |
36a5eadd | 888 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
e2500fed GK |
889 | break; |
890 | ||
891 | case TYPE_ARRAY: | |
36a5eadd | 892 | set_gc_used_type (t->u.a.p, GC_USED, param); |
e2500fed | 893 | break; |
3d7aafde | 894 | |
e2500fed GK |
895 | case TYPE_LANG_STRUCT: |
896 | for (t = t->u.s.lang_struct; t; t = t->next) | |
36a5eadd | 897 | set_gc_used_type (t, level, param); |
e2500fed GK |
898 | break; |
899 | ||
900 | case TYPE_PARAM_STRUCT: | |
36a5eadd GK |
901 | { |
902 | int i; | |
903 | for (i = 0; i < NUM_PARAM; i++) | |
904 | if (t->u.param_struct.param[i] != 0) | |
905 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
906 | } | |
907 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
908 | level = GC_POINTED_TO; | |
909 | else | |
910 | level = GC_USED; | |
911 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
3d7aafde | 912 | set_gc_used_type (t->u.param_struct.stru, level, |
36a5eadd | 913 | t->u.param_struct.param); |
e2500fed GK |
914 | break; |
915 | ||
916 | default: | |
917 | break; | |
918 | } | |
919 | } | |
920 | ||
36a5eadd | 921 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
9f313342 | 922 | |
e2500fed | 923 | static void |
3d7aafde | 924 | set_gc_used (pair_p variables) |
e2500fed GK |
925 | { |
926 | pair_p p; | |
927 | for (p = variables; p; p = p->next) | |
36a5eadd | 928 | set_gc_used_type (p->type, GC_USED, NULL); |
e2500fed GK |
929 | } |
930 | \f | |
931 | /* File mapping routines. For each input file, there is one output .c file | |
932 | (but some output files have many input files), and there is one .h file | |
933 | for the whole build. */ | |
934 | ||
9f313342 | 935 | /* The list of output files. */ |
e03856fe | 936 | static outf_p output_files; |
9f313342 GK |
937 | |
938 | /* The output header file that is included into pretty much every | |
939 | source file. */ | |
8c80adb7 | 940 | static outf_p header_file; |
e2500fed | 941 | |
8ac9d31f TJ |
942 | /* Number of files specified in gtfiles. */ |
943 | #define NUM_GT_FILES (ARRAY_SIZE (all_files) - 1) | |
96e3ac4f | 944 | |
8ac9d31f TJ |
945 | /* Number of files in the language files array. */ |
946 | #define NUM_LANG_FILES (ARRAY_SIZE (lang_files) - 1) | |
947 | ||
948 | /* Length of srcdir name. */ | |
949 | static int srcdir_len = 0; | |
950 | ||
951 | #define NUM_BASE_FILES (ARRAY_SIZE (lang_dir_names) - 1) | |
e03856fe | 952 | outf_p base_files[NUM_BASE_FILES]; |
e2500fed | 953 | |
3d7aafde AJ |
954 | static outf_p create_file (const char *, const char *); |
955 | static const char * get_file_basename (const char *); | |
e2500fed | 956 | |
e03856fe GK |
957 | /* Create and return an outf_p for a new file for NAME, to be called |
958 | ONAME. */ | |
9f313342 | 959 | |
e03856fe | 960 | static outf_p |
3d7aafde | 961 | create_file (const char *name, const char *oname) |
e2500fed GK |
962 | { |
963 | static const char *const hdr[] = { | |
d8044160 | 964 | " Copyright (C) 2004 Free Software Foundation, Inc.\n", |
e2500fed GK |
965 | "\n", |
966 | "This file is part of GCC.\n", | |
967 | "\n", | |
968 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
969 | "the terms of the GNU General Public License as published by the Free\n", | |
970 | "Software Foundation; either version 2, or (at your option) any later\n", | |
971 | "version.\n", | |
972 | "\n", | |
973 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
974 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
975 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
976 | "for more details.\n", | |
977 | "\n", | |
978 | "You should have received a copy of the GNU General Public License\n", | |
979 | "along with GCC; see the file COPYING. If not, write to the Free\n", | |
356f9ab3 KC |
980 | "Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA\n", |
981 | "02110-1301, USA. */\n", | |
e2500fed GK |
982 | "\n", |
983 | "/* This file is machine generated. Do not edit. */\n" | |
984 | }; | |
e03856fe | 985 | outf_p f; |
e2500fed | 986 | size_t i; |
3d7aafde | 987 | |
5d038c4c | 988 | f = XCNEW (struct outf); |
e03856fe GK |
989 | f->next = output_files; |
990 | f->name = oname; | |
991 | output_files = f; | |
992 | ||
993 | oprintf (f, "/* Type information for %s.\n", name); | |
62c71f4b | 994 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
e03856fe | 995 | oprintf (f, "%s", hdr[i]); |
e2500fed GK |
996 | return f; |
997 | } | |
998 | ||
e03856fe | 999 | /* Print, like fprintf, to O. */ |
3d7aafde | 1000 | void |
e34d07f2 | 1001 | oprintf (outf_p o, const char *format, ...) |
e03856fe GK |
1002 | { |
1003 | char *s; | |
1004 | size_t slength; | |
e34d07f2 | 1005 | va_list ap; |
3d7aafde | 1006 | |
e34d07f2 | 1007 | va_start (ap, format); |
e03856fe | 1008 | slength = xvasprintf (&s, format, ap); |
e03856fe GK |
1009 | |
1010 | if (o->bufused + slength > o->buflength) | |
1011 | { | |
1012 | size_t new_len = o->buflength; | |
1013 | if (new_len == 0) | |
1014 | new_len = 1024; | |
1015 | do { | |
1016 | new_len *= 2; | |
1017 | } while (o->bufused + slength >= new_len); | |
cca8ead2 | 1018 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
e03856fe GK |
1019 | o->buflength = new_len; |
1020 | } | |
1021 | memcpy (o->buf + o->bufused, s, slength); | |
1022 | o->bufused += slength; | |
1023 | free (s); | |
e34d07f2 | 1024 | va_end (ap); |
e03856fe GK |
1025 | } |
1026 | ||
9f313342 GK |
1027 | /* Open the global header file and the language-specific header files. */ |
1028 | ||
e2500fed | 1029 | static void |
3d7aafde | 1030 | open_base_files (void) |
e2500fed GK |
1031 | { |
1032 | size_t i; | |
3d7aafde | 1033 | |
e03856fe | 1034 | header_file = create_file ("GCC", "gtype-desc.h"); |
e2500fed GK |
1035 | |
1036 | for (i = 0; i < NUM_BASE_FILES; i++) | |
3d7aafde | 1037 | base_files[i] = create_file (lang_dir_names[i], |
8ac9d31f | 1038 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
e03856fe GK |
1039 | |
1040 | /* gtype-desc.c is a little special, so we create it here. */ | |
1041 | { | |
1042 | /* The order of files here matters very much. */ | |
1043 | static const char *const ifiles [] = { | |
6de9cd9a | 1044 | "config.h", "system.h", "coretypes.h", "tm.h", "varray.h", |
7932a3db NS |
1045 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
1046 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", | |
1047 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1048 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
1049 | "tree-flow.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", | |
aeceeb06 | 1050 | "cfglayout.h", "except.h", "output.h", NULL |
e03856fe GK |
1051 | }; |
1052 | const char *const *ifp; | |
1053 | outf_p gtype_desc_c; | |
3d7aafde | 1054 | |
e03856fe GK |
1055 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1056 | for (ifp = ifiles; *ifp; ifp++) | |
1057 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
1058 | } | |
e2500fed GK |
1059 | } |
1060 | ||
9f313342 GK |
1061 | /* Determine the pathname to F relative to $(srcdir). */ |
1062 | ||
e2500fed | 1063 | static const char * |
3d7aafde | 1064 | get_file_basename (const char *f) |
e2500fed | 1065 | { |
e2500fed | 1066 | const char *basename; |
8ac9d31f | 1067 | unsigned i; |
3d7aafde | 1068 | |
e2500fed | 1069 | basename = strrchr (f, '/'); |
3d7aafde | 1070 | |
8ac9d31f TJ |
1071 | if (!basename) |
1072 | return f; | |
3d7aafde | 1073 | |
8ac9d31f | 1074 | basename++; |
3d7aafde | 1075 | |
8ac9d31f TJ |
1076 | for (i = 1; i < NUM_BASE_FILES; i++) |
1077 | { | |
1078 | const char * s1; | |
1079 | const char * s2; | |
1080 | int l1; | |
1081 | int l2; | |
1082 | s1 = basename - strlen (lang_dir_names [i]) - 1; | |
1083 | s2 = lang_dir_names [i]; | |
1084 | l1 = strlen (s1); | |
1085 | l2 = strlen (s2); | |
ad8c162b | 1086 | if (l1 >= l2 && IS_DIR_SEPARATOR (s1[-1]) && !memcmp (s1, s2, l2)) |
8ac9d31f TJ |
1087 | { |
1088 | basename -= l2 + 1; | |
1089 | if ((basename - f - 1) != srcdir_len) | |
b2d59f6f | 1090 | fatal ("filename `%s' should be preceded by $srcdir", f); |
8ac9d31f TJ |
1091 | break; |
1092 | } | |
1093 | } | |
3d7aafde | 1094 | |
e2500fed GK |
1095 | return basename; |
1096 | } | |
1097 | ||
9f313342 | 1098 | /* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff |
3d7aafde | 1099 | INPUT_FILE is used by <lang>. |
9f313342 GK |
1100 | |
1101 | This function should be written to assume that a file _is_ used | |
1102 | if the situation is unclear. If it wrongly assumes a file _is_ used, | |
1103 | a linker error will result. If it wrongly assumes a file _is not_ used, | |
1104 | some GC roots may be missed, which is a much harder-to-debug problem. */ | |
1105 | ||
e2500fed | 1106 | unsigned |
3d7aafde | 1107 | get_base_file_bitmap (const char *input_file) |
e2500fed GK |
1108 | { |
1109 | const char *basename = get_file_basename (input_file); | |
1110 | const char *slashpos = strchr (basename, '/'); | |
8ac9d31f TJ |
1111 | unsigned j; |
1112 | unsigned k; | |
1113 | unsigned bitmap; | |
3d7aafde | 1114 | |
ad8c162b ZL |
1115 | /* If the file resides in a language subdirectory (e.g., 'cp'), assume that |
1116 | it belongs to the corresponding language. The file may belong to other | |
1117 | languages as well (which is checked for below). */ | |
1118 | ||
8ac9d31f | 1119 | if (slashpos) |
e2500fed GK |
1120 | { |
1121 | size_t i; | |
8ac9d31f TJ |
1122 | for (i = 1; i < NUM_BASE_FILES; i++) |
1123 | if ((size_t)(slashpos - basename) == strlen (lang_dir_names [i]) | |
1124 | && memcmp (basename, lang_dir_names[i], strlen (lang_dir_names[i])) == 0) | |
1125 | { | |
1126 | /* It's in a language directory, set that language. */ | |
1127 | bitmap = 1 << i; | |
8ac9d31f | 1128 | } |
e2500fed | 1129 | } |
8ac9d31f TJ |
1130 | |
1131 | /* If it's in any config-lang.in, then set for the languages | |
1132 | specified. */ | |
1133 | ||
1134 | bitmap = 0; | |
1135 | ||
1136 | for (j = 0; j < NUM_LANG_FILES; j++) | |
1137 | { | |
1138 | if (!strcmp(input_file, lang_files[j])) | |
1139 | { | |
1140 | for (k = 0; k < NUM_BASE_FILES; k++) | |
1141 | { | |
1142 | if (!strcmp(lang_dir_names[k], langs_for_lang_files[j])) | |
1143 | bitmap |= (1 << k); | |
1144 | } | |
1145 | } | |
1146 | } | |
3d7aafde | 1147 | |
8ac9d31f TJ |
1148 | /* Otherwise, set all languages. */ |
1149 | if (!bitmap) | |
1150 | bitmap = (1 << NUM_BASE_FILES) - 1; | |
1151 | ||
1152 | return bitmap; | |
e2500fed GK |
1153 | } |
1154 | ||
9f313342 GK |
1155 | /* An output file, suitable for definitions, that can see declarations |
1156 | made in INPUT_FILE and is linked into every language that uses | |
1157 | INPUT_FILE. */ | |
1158 | ||
e03856fe | 1159 | outf_p |
3d7aafde | 1160 | get_output_file_with_visibility (const char *input_file) |
e2500fed | 1161 | { |
e03856fe | 1162 | outf_p r; |
e2500fed GK |
1163 | size_t len; |
1164 | const char *basename; | |
e03856fe GK |
1165 | const char *for_name; |
1166 | const char *output_name; | |
e2500fed | 1167 | |
e03856fe GK |
1168 | /* This can happen when we need a file with visibility on a |
1169 | structure that we've never seen. We have to just hope that it's | |
1170 | globally visible. */ | |
1171 | if (input_file == NULL) | |
1172 | input_file = "system.h"; | |
e2500fed | 1173 | |
e2500fed GK |
1174 | /* Determine the output file name. */ |
1175 | basename = get_file_basename (input_file); | |
1176 | ||
1177 | len = strlen (basename); | |
1178 | if ((len > 2 && memcmp (basename+len-2, ".c", 2) == 0) | |
1179 | || (len > 2 && memcmp (basename+len-2, ".y", 2) == 0) | |
1180 | || (len > 3 && memcmp (basename+len-3, ".in", 3) == 0)) | |
1181 | { | |
1182 | char *s; | |
3d7aafde | 1183 | |
e03856fe | 1184 | output_name = s = xasprintf ("gt-%s", basename); |
e2500fed | 1185 | for (; *s != '.'; s++) |
1f8e4682 | 1186 | if (! ISALNUM (*s) && *s != '-') |
e2500fed GK |
1187 | *s = '-'; |
1188 | memcpy (s, ".h", sizeof (".h")); | |
e03856fe | 1189 | for_name = basename; |
e2500fed | 1190 | } |
ad8c162b ZL |
1191 | /* Some headers get used by more than one front-end; hence, it |
1192 | would be inappropriate to spew them out to a single gtype-<lang>.h | |
1193 | (and gengtype doesn't know how to direct spewage into multiple | |
1194 | gtype-<lang>.h headers at this time). Instead, we pair up these | |
1195 | headers with source files (and their special purpose gt-*.h headers). */ | |
e2500fed | 1196 | else if (strcmp (basename, "c-common.h") == 0) |
e03856fe | 1197 | output_name = "gt-c-common.h", for_name = "c-common.c"; |
e2500fed | 1198 | else if (strcmp (basename, "c-tree.h") == 0) |
e03856fe | 1199 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; |
6e955430 ZL |
1200 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) |
1201 | && strcmp (basename + 3, "cp-tree.h") == 0) | |
1202 | output_name = "gt-cp-tree.h", for_name = "cp/tree.c"; | |
1203 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1204 | && strcmp (basename + 3, "decl.h") == 0) | |
1205 | output_name = "gt-cp-decl.h", for_name = "cp/decl.c"; | |
1206 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1207 | && strcmp (basename + 3, "name-lookup.h") == 0) | |
1208 | output_name = "gt-cp-name-lookup.h", for_name = "cp/name-lookup.c"; | |
ad8c162b ZL |
1209 | else if (strncmp (basename, "objc", 4) == 0 && IS_DIR_SEPARATOR (basename[4]) |
1210 | && strcmp (basename + 5, "objc-act.h") == 0) | |
1211 | output_name = "gt-objc-objc-act.h", for_name = "objc/objc-act.c"; | |
1212 | else | |
e2500fed GK |
1213 | { |
1214 | size_t i; | |
3d7aafde | 1215 | |
e2500fed | 1216 | for (i = 0; i < NUM_BASE_FILES; i++) |
8ac9d31f TJ |
1217 | if (memcmp (basename, lang_dir_names[i], strlen (lang_dir_names[i])) == 0 |
1218 | && basename[strlen(lang_dir_names[i])] == '/') | |
e03856fe GK |
1219 | return base_files[i]; |
1220 | ||
1221 | output_name = "gtype-desc.c"; | |
1222 | for_name = NULL; | |
e2500fed GK |
1223 | } |
1224 | ||
1225 | /* Look through to see if we've ever seen this output filename before. */ | |
e03856fe GK |
1226 | for (r = output_files; r; r = r->next) |
1227 | if (strcmp (r->name, output_name) == 0) | |
1228 | return r; | |
e2500fed GK |
1229 | |
1230 | /* If not, create it. */ | |
e03856fe | 1231 | r = create_file (for_name, output_name); |
e2500fed | 1232 | |
e03856fe | 1233 | return r; |
e2500fed GK |
1234 | } |
1235 | ||
9f313342 GK |
1236 | /* The name of an output file, suitable for definitions, that can see |
1237 | declarations made in INPUT_FILE and is linked into every language | |
1238 | that uses INPUT_FILE. */ | |
1239 | ||
e2500fed | 1240 | const char * |
3d7aafde | 1241 | get_output_file_name (const char *input_file) |
e2500fed | 1242 | { |
e03856fe | 1243 | return get_output_file_with_visibility (input_file)->name; |
e2500fed GK |
1244 | } |
1245 | ||
e03856fe | 1246 | /* Copy the output to its final destination, |
9f313342 GK |
1247 | but don't unnecessarily change modification times. */ |
1248 | ||
e2500fed | 1249 | static void |
3d7aafde | 1250 | close_output_files (void) |
e2500fed | 1251 | { |
e03856fe | 1252 | outf_p of; |
3d7aafde | 1253 | |
e03856fe | 1254 | for (of = output_files; of; of = of->next) |
e2500fed | 1255 | { |
e03856fe GK |
1256 | FILE * newfile; |
1257 | ||
1258 | newfile = fopen (of->name, "r"); | |
1259 | if (newfile != NULL ) | |
e2500fed | 1260 | { |
e03856fe GK |
1261 | int no_write_p; |
1262 | size_t i; | |
e2500fed | 1263 | |
e03856fe GK |
1264 | for (i = 0; i < of->bufused; i++) |
1265 | { | |
1266 | int ch; | |
1267 | ch = fgetc (newfile); | |
1268 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
1269 | break; | |
1270 | } | |
1271 | no_write_p = i == of->bufused && fgetc (newfile) == EOF; | |
e2500fed | 1272 | fclose (newfile); |
e03856fe GK |
1273 | |
1274 | if (no_write_p) | |
1275 | continue; | |
e2500fed GK |
1276 | } |
1277 | ||
e03856fe | 1278 | newfile = fopen (of->name, "w"); |
e2500fed GK |
1279 | if (newfile == NULL) |
1280 | { | |
1281 | perror ("opening output file"); | |
1282 | exit (1); | |
1283 | } | |
e03856fe GK |
1284 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) |
1285 | { | |
1286 | perror ("writing output file"); | |
1287 | exit (1); | |
1288 | } | |
1289 | if (fclose (newfile) != 0) | |
1290 | { | |
1291 | perror ("closing output file"); | |
1292 | exit (1); | |
1293 | } | |
e2500fed GK |
1294 | } |
1295 | } | |
1296 | \f | |
1297 | struct flist { | |
1298 | struct flist *next; | |
1299 | int started_p; | |
1300 | const char *name; | |
e03856fe | 1301 | outf_p f; |
e2500fed GK |
1302 | }; |
1303 | ||
17211ab5 GK |
1304 | struct walk_type_data; |
1305 | ||
1306 | /* For scalars and strings, given the item in 'val'. | |
1307 | For structures, given a pointer to the item in 'val'. | |
1308 | For misc. pointers, given the item in 'val'. | |
1309 | */ | |
3d7aafde AJ |
1310 | typedef void (*process_field_fn) |
1311 | (type_p f, const struct walk_type_data *p); | |
17211ab5 | 1312 | typedef void (*func_name_fn) |
3d7aafde | 1313 | (type_p s, const struct walk_type_data *p); |
17211ab5 GK |
1314 | |
1315 | /* Parameters for write_types. */ | |
1316 | ||
3d7aafde | 1317 | struct write_types_data |
17211ab5 GK |
1318 | { |
1319 | const char *prefix; | |
1320 | const char *param_prefix; | |
1321 | const char *subfield_marker_routine; | |
1322 | const char *marker_routine; | |
1323 | const char *reorder_note_routine; | |
1324 | const char *comment; | |
8d6419b2 | 1325 | int skip_hooks; /* skip hook generation if non zero */ |
17211ab5 GK |
1326 | }; |
1327 | ||
3d7aafde AJ |
1328 | static void output_escaped_param (struct walk_type_data *d, |
1329 | const char *, const char *); | |
1330 | static void output_mangled_typename (outf_p, type_p); | |
1331 | static void walk_type (type_p t, struct walk_type_data *d); | |
17211ab5 | 1332 | static void write_func_for_structure |
3d7aafde AJ |
1333 | (type_p orig_s, type_p s, type_p * param, |
1334 | const struct write_types_data *wtd); | |
1335 | static void write_types_process_field | |
1336 | (type_p f, const struct walk_type_data *d); | |
1337 | static void write_types (type_p structures, | |
1338 | type_p param_structs, | |
1339 | const struct write_types_data *wtd); | |
17211ab5 | 1340 | static void write_types_local_process_field |
3d7aafde | 1341 | (type_p f, const struct walk_type_data *d); |
17211ab5 | 1342 | static void write_local_func_for_structure |
3d7aafde AJ |
1343 | (type_p orig_s, type_p s, type_p * param); |
1344 | static void write_local (type_p structures, | |
1345 | type_p param_structs); | |
1346 | static void write_enum_defn (type_p structures, type_p param_structs); | |
1347 | static int contains_scalar_p (type_p t); | |
1348 | static void put_mangled_filename (outf_p , const char *); | |
1349 | static void finish_root_table (struct flist *flp, const char *pfx, | |
1350 | const char *tname, const char *lastname, | |
1351 | const char *name); | |
1352 | static void write_root (outf_p , pair_p, type_p, const char *, int, | |
1353 | struct fileloc *, const char *); | |
1354 | static void write_array (outf_p f, pair_p v, | |
1355 | const struct write_types_data *wtd); | |
1356 | static void write_roots (pair_p); | |
e2500fed | 1357 | |
17211ab5 | 1358 | /* Parameters for walk_type. */ |
e2500fed | 1359 | |
17211ab5 | 1360 | struct walk_type_data |
e2500fed | 1361 | { |
17211ab5 GK |
1362 | process_field_fn process_field; |
1363 | const void *cookie; | |
1364 | outf_p of; | |
1365 | options_p opt; | |
1366 | const char *val; | |
1367 | const char *prev_val[4]; | |
1368 | int indent; | |
1369 | int counter; | |
1370 | struct fileloc *line; | |
1371 | lang_bitmap bitmap; | |
1372 | type_p *param; | |
1373 | int used_length; | |
1374 | type_p orig_s; | |
1375 | const char *reorder_fn; | |
d8044160 GK |
1376 | bool needs_cast_p; |
1377 | bool fn_wants_lvalue; | |
17211ab5 | 1378 | }; |
36a5eadd GK |
1379 | |
1380 | /* Print a mangled name representing T to OF. */ | |
1381 | ||
1382 | static void | |
3d7aafde | 1383 | output_mangled_typename (outf_p of, type_p t) |
36a5eadd GK |
1384 | { |
1385 | if (t == NULL) | |
1386 | oprintf (of, "Z"); | |
1387 | else switch (t->kind) | |
1388 | { | |
1389 | case TYPE_POINTER: | |
1390 | oprintf (of, "P"); | |
1391 | output_mangled_typename (of, t->u.p); | |
1392 | break; | |
1393 | case TYPE_SCALAR: | |
1394 | oprintf (of, "I"); | |
1395 | break; | |
1396 | case TYPE_STRING: | |
1397 | oprintf (of, "S"); | |
1398 | break; | |
1399 | case TYPE_STRUCT: | |
1400 | case TYPE_UNION: | |
1401 | case TYPE_LANG_STRUCT: | |
6d8dd940 | 1402 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), t->u.s.tag); |
36a5eadd GK |
1403 | break; |
1404 | case TYPE_PARAM_STRUCT: | |
1405 | { | |
1406 | int i; | |
1407 | for (i = 0; i < NUM_PARAM; i++) | |
1408 | if (t->u.param_struct.param[i] != NULL) | |
1409 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
3d7aafde | 1410 | output_mangled_typename (of, t->u.param_struct.stru); |
36a5eadd GK |
1411 | } |
1412 | break; | |
1413 | case TYPE_ARRAY: | |
b2d59f6f | 1414 | gcc_unreachable (); |
36a5eadd | 1415 | } |
e2500fed GK |
1416 | } |
1417 | ||
17211ab5 GK |
1418 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
1419 | current object, D->PREV_VAL the object containing the current | |
1420 | object, ONAME is the name of the option and D->LINE is used to | |
1421 | print error messages. */ | |
9f313342 | 1422 | |
e2500fed | 1423 | static void |
3d7aafde AJ |
1424 | output_escaped_param (struct walk_type_data *d, const char *param, |
1425 | const char *oname) | |
e2500fed | 1426 | { |
17211ab5 | 1427 | const char *p; |
3d7aafde | 1428 | |
17211ab5 GK |
1429 | for (p = param; *p; p++) |
1430 | if (*p != '%') | |
1431 | oprintf (d->of, "%c", *p); | |
1432 | else switch (*++p) | |
1433 | { | |
1434 | case 'h': | |
1435 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
1436 | break; | |
1437 | case '0': | |
1438 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
1439 | break; | |
1440 | case '1': | |
1441 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
1442 | break; | |
1443 | case 'a': | |
e2500fed | 1444 | { |
17211ab5 GK |
1445 | const char *pp = d->val + strlen (d->val); |
1446 | while (pp[-1] == ']') | |
1447 | while (*pp != '[') | |
1448 | pp--; | |
1449 | oprintf (d->of, "%s", pp); | |
e2500fed | 1450 | } |
17211ab5 GK |
1451 | break; |
1452 | default: | |
1453 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
1454 | oname, '%', *p); | |
1455 | } | |
1456 | } | |
e2500fed | 1457 | |
17211ab5 GK |
1458 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
1459 | which is of type T. Write code to D->OF to constrain execution (at | |
1460 | the point that D->PROCESS_FIELD is called) to the appropriate | |
4da6879c GK |
1461 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
1462 | pointers to those objects. D->PREV_VAL lists the objects | |
1463 | containing the current object, D->OPT is a list of options to | |
1464 | apply, D->INDENT is the current indentation level, D->LINE is used | |
1465 | to print error messages, D->BITMAP indicates which languages to | |
1466 | print the structure for, and D->PARAM is the current parameter | |
1467 | (from an enclosing param_is option). */ | |
e2500fed | 1468 | |
17211ab5 | 1469 | static void |
3d7aafde | 1470 | walk_type (type_p t, struct walk_type_data *d) |
17211ab5 GK |
1471 | { |
1472 | const char *length = NULL; | |
1473 | const char *desc = NULL; | |
1474 | int maybe_undef_p = 0; | |
1475 | int use_param_num = -1; | |
1476 | int use_params_p = 0; | |
17211ab5 | 1477 | options_p oo; |
b453c95f | 1478 | const struct nested_ptr_data *nested_ptr_d = NULL; |
3d7aafde | 1479 | |
d8044160 | 1480 | d->needs_cast_p = false; |
17211ab5 GK |
1481 | for (oo = d->opt; oo; oo = oo->next) |
1482 | if (strcmp (oo->name, "length") == 0) | |
9e2878cf | 1483 | length = oo->info; |
17211ab5 GK |
1484 | else if (strcmp (oo->name, "maybe_undef") == 0) |
1485 | maybe_undef_p = 1; | |
1486 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
1487 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
1488 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
1489 | else if (strcmp (oo->name, "use_params") == 0) | |
1490 | use_params_p = 1; | |
1491 | else if (strcmp (oo->name, "desc") == 0) | |
9e2878cf | 1492 | desc = oo->info; |
8d6419b2 BS |
1493 | else if (strcmp (oo->name, "mark_hook") == 0) |
1494 | ; | |
b453c95f | 1495 | else if (strcmp (oo->name, "nested_ptr") == 0) |
d8044160 | 1496 | nested_ptr_d = (const struct nested_ptr_data *) oo->info; |
17211ab5 GK |
1497 | else if (strcmp (oo->name, "dot") == 0) |
1498 | ; | |
1499 | else if (strcmp (oo->name, "tag") == 0) | |
1500 | ; | |
1501 | else if (strcmp (oo->name, "special") == 0) | |
1502 | ; | |
1503 | else if (strcmp (oo->name, "skip") == 0) | |
1504 | ; | |
1505 | else if (strcmp (oo->name, "default") == 0) | |
1506 | ; | |
1507 | else if (strcmp (oo->name, "descbits") == 0) | |
1508 | ; | |
1509 | else if (strcmp (oo->name, "param_is") == 0) | |
1510 | ; | |
084087e1 RH |
1511 | else if (strncmp (oo->name, "param", 5) == 0 |
1512 | && ISDIGIT (oo->name[5]) | |
1513 | && strcmp (oo->name + 6, "_is") == 0) | |
1514 | ; | |
17211ab5 GK |
1515 | else if (strcmp (oo->name, "chain_next") == 0) |
1516 | ; | |
1517 | else if (strcmp (oo->name, "chain_prev") == 0) | |
1518 | ; | |
1519 | else if (strcmp (oo->name, "reorder") == 0) | |
1520 | ; | |
1521 | else | |
1522 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
36a5eadd | 1523 | |
17211ab5 GK |
1524 | if (d->used_length) |
1525 | length = NULL; | |
36a5eadd | 1526 | |
17211ab5 GK |
1527 | if (use_params_p) |
1528 | { | |
1529 | int pointer_p = t->kind == TYPE_POINTER; | |
3d7aafde | 1530 | |
17211ab5 GK |
1531 | if (pointer_p) |
1532 | t = t->u.p; | |
1533 | if (! UNION_OR_STRUCT_P (t)) | |
1534 | error_at_line (d->line, "`use_params' option on unimplemented type"); | |
3d7aafde | 1535 | else |
17211ab5 GK |
1536 | t = find_param_structure (t, d->param); |
1537 | if (pointer_p) | |
1538 | t = create_pointer (t); | |
1539 | } | |
3d7aafde | 1540 | |
17211ab5 GK |
1541 | if (use_param_num != -1) |
1542 | { | |
1543 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
e2500fed | 1544 | { |
17211ab5 | 1545 | type_p nt = d->param[use_param_num]; |
3d7aafde | 1546 | |
17211ab5 GK |
1547 | if (t->kind == TYPE_ARRAY) |
1548 | nt = create_array (nt, t->u.a.len); | |
1549 | else if (length != NULL && t->kind == TYPE_POINTER) | |
1550 | nt = create_pointer (nt); | |
f099d360 GK |
1551 | d->needs_cast_p = (t->kind != TYPE_POINTER |
1552 | && (nt->kind == TYPE_POINTER | |
1553 | || nt->kind == TYPE_STRING)); | |
17211ab5 | 1554 | t = nt; |
e2500fed | 1555 | } |
17211ab5 GK |
1556 | else |
1557 | error_at_line (d->line, "no parameter defined for `%s'", | |
1558 | d->val); | |
1559 | } | |
3d7aafde AJ |
1560 | |
1561 | if (maybe_undef_p | |
17211ab5 GK |
1562 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) |
1563 | { | |
3d7aafde | 1564 | error_at_line (d->line, |
17211ab5 GK |
1565 | "field `%s' has invalid option `maybe_undef_p'\n", |
1566 | d->val); | |
1567 | return; | |
1568 | } | |
3d7aafde | 1569 | |
17211ab5 GK |
1570 | switch (t->kind) |
1571 | { | |
1572 | case TYPE_SCALAR: | |
1573 | case TYPE_STRING: | |
1574 | d->process_field (t, d); | |
1575 | break; | |
3d7aafde | 1576 | |
17211ab5 GK |
1577 | case TYPE_POINTER: |
1578 | { | |
1579 | if (maybe_undef_p | |
1580 | && t->u.p->u.s.line.file == NULL) | |
1581 | { | |
b2d59f6f | 1582 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
17211ab5 GK |
1583 | break; |
1584 | } | |
e2500fed | 1585 | |
17211ab5 | 1586 | if (! length) |
e2500fed | 1587 | { |
17211ab5 GK |
1588 | if (! UNION_OR_STRUCT_P (t->u.p) |
1589 | && t->u.p->kind != TYPE_PARAM_STRUCT) | |
e2500fed | 1590 | { |
3d7aafde | 1591 | error_at_line (d->line, |
17211ab5 GK |
1592 | "field `%s' is pointer to unimplemented type", |
1593 | d->val); | |
e2500fed GK |
1594 | break; |
1595 | } | |
3d7aafde | 1596 | |
b453c95f GK |
1597 | if (nested_ptr_d) |
1598 | { | |
1599 | const char *oldprevval2 = d->prev_val[2]; | |
1600 | ||
1601 | if (! UNION_OR_STRUCT_P (nested_ptr_d->type)) | |
1602 | { | |
1603 | error_at_line (d->line, | |
1604 | "field `%s' has invalid " | |
1605 | "option `nested_ptr'\n", | |
1606 | d->val); | |
1607 | return; | |
1608 | } | |
1609 | ||
1610 | d->prev_val[2] = d->val; | |
1611 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
1612 | d->indent += 2; | |
1613 | d->val = xasprintf ("x%d", d->counter++); | |
d8044160 | 1614 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
b453c95f GK |
1615 | (nested_ptr_d->type->kind == TYPE_UNION |
1616 | ? "union" : "struct"), | |
d8044160 GK |
1617 | nested_ptr_d->type->u.s.tag, |
1618 | d->fn_wants_lvalue ? "" : "const ", | |
1619 | d->val); | |
b453c95f GK |
1620 | oprintf (d->of, "%*s", d->indent + 2, ""); |
1621 | output_escaped_param (d, nested_ptr_d->convert_from, | |
1622 | "nested_ptr"); | |
1623 | oprintf (d->of, ";\n"); | |
1624 | ||
1625 | d->process_field (nested_ptr_d->type, d); | |
1626 | ||
d8044160 GK |
1627 | if (d->fn_wants_lvalue) |
1628 | { | |
1629 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
1630 | d->prev_val[2]); | |
1631 | d->prev_val[2] = d->val; | |
1632 | output_escaped_param (d, nested_ptr_d->convert_to, | |
1633 | "nested_ptr"); | |
1634 | oprintf (d->of, ";\n"); | |
1635 | } | |
b453c95f GK |
1636 | |
1637 | d->indent -= 2; | |
1638 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1639 | d->val = d->prev_val[2]; | |
1640 | d->prev_val[2] = oldprevval2; | |
1641 | } | |
1642 | else | |
1643 | d->process_field (t->u.p, d); | |
e2500fed | 1644 | } |
3d7aafde | 1645 | else |
e2500fed | 1646 | { |
17211ab5 GK |
1647 | int loopcounter = d->counter++; |
1648 | const char *oldval = d->val; | |
1649 | const char *oldprevval3 = d->prev_val[3]; | |
e2500fed GK |
1650 | char *newval; |
1651 | ||
17211ab5 GK |
1652 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
1653 | d->indent += 2; | |
1654 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
a62a0172 | 1655 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, "", |
17211ab5 GK |
1656 | loopcounter, loopcounter); |
1657 | output_escaped_param (d, length, "length"); | |
1658 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
1659 | d->indent += 2; | |
1660 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
1661 | d->used_length = 1; | |
1662 | d->prev_val[3] = oldval; | |
1663 | walk_type (t->u.p, d); | |
e2500fed | 1664 | free (newval); |
17211ab5 GK |
1665 | d->val = oldval; |
1666 | d->prev_val[3] = oldprevval3; | |
1667 | d->used_length = 0; | |
1668 | d->indent -= 2; | |
1669 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
4da6879c | 1670 | d->process_field(t, d); |
17211ab5 GK |
1671 | d->indent -= 2; |
1672 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e2500fed | 1673 | } |
17211ab5 GK |
1674 | } |
1675 | break; | |
e2500fed | 1676 | |
17211ab5 GK |
1677 | case TYPE_ARRAY: |
1678 | { | |
1679 | int loopcounter = d->counter++; | |
1680 | const char *oldval = d->val; | |
1681 | char *newval; | |
1682 | ||
6356f892 | 1683 | /* If it's an array of scalars, we optimize by not generating |
17211ab5 GK |
1684 | any code. */ |
1685 | if (t->u.a.p->kind == TYPE_SCALAR) | |
e2500fed | 1686 | break; |
3d7aafde | 1687 | |
5039610b SL |
1688 | /* When walking an array, compute the length and store it in a |
1689 | local variable before walking the array elements, instead of | |
1690 | recomputing the length expression each time through the loop. | |
1691 | This is necessary to handle tcc_vl_exp objects like CALL_EXPR, | |
1692 | where the length is stored in the first array element, | |
1693 | because otherwise that operand can get overwritten on the | |
1694 | first iteration. */ | |
17211ab5 GK |
1695 | oprintf (d->of, "%*s{\n", d->indent, ""); |
1696 | d->indent += 2; | |
1697 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
5039610b SL |
1698 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", |
1699 | d->indent, "", loopcounter); | |
17211ab5 GK |
1700 | if (length) |
1701 | output_escaped_param (d, length, "length"); | |
1702 | else | |
1703 | oprintf (d->of, "%s", t->u.a.len); | |
5039610b SL |
1704 | oprintf (d->of, ");\n"); |
1705 | ||
1706 | oprintf (d->of, "%*sfor (i%d = 0; i%d != l%d; i%d++) {\n", | |
1707 | d->indent, "", | |
1708 | loopcounter, loopcounter, loopcounter, loopcounter); | |
17211ab5 GK |
1709 | d->indent += 2; |
1710 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
1711 | d->used_length = 1; | |
1712 | walk_type (t->u.a.p, d); | |
1713 | free (newval); | |
1714 | d->used_length = 0; | |
1715 | d->val = oldval; | |
1716 | d->indent -= 2; | |
1717 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1718 | d->indent -= 2; | |
1719 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1720 | } | |
1721 | break; | |
3d7aafde | 1722 | |
17211ab5 GK |
1723 | case TYPE_STRUCT: |
1724 | case TYPE_UNION: | |
1725 | { | |
1726 | pair_p f; | |
1727 | const char *oldval = d->val; | |
1728 | const char *oldprevval1 = d->prev_val[1]; | |
1729 | const char *oldprevval2 = d->prev_val[2]; | |
1730 | const int union_p = t->kind == TYPE_UNION; | |
1731 | int seen_default_p = 0; | |
1732 | options_p o; | |
1733 | ||
1734 | if (! t->u.s.line.file) | |
1735 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); | |
e2500fed | 1736 | |
17211ab5 | 1737 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
e2500fed | 1738 | { |
17211ab5 GK |
1739 | error_at_line (d->line, |
1740 | "structure `%s' defined for mismatching languages", | |
1741 | t->u.s.tag); | |
1742 | error_at_line (&t->u.s.line, "one structure defined here"); | |
1743 | } | |
e2500fed | 1744 | |
17211ab5 GK |
1745 | /* Some things may also be defined in the structure's options. */ |
1746 | for (o = t->u.s.opt; o; o = o->next) | |
1747 | if (! desc && strcmp (o->name, "desc") == 0) | |
9e2878cf | 1748 | desc = o->info; |
e2500fed | 1749 | |
17211ab5 GK |
1750 | d->prev_val[2] = oldval; |
1751 | d->prev_val[1] = oldprevval2; | |
1752 | if (union_p) | |
1753 | { | |
1754 | if (desc == NULL) | |
e2500fed | 1755 | { |
17211ab5 GK |
1756 | error_at_line (d->line, "missing `desc' option for union `%s'", |
1757 | t->u.s.tag); | |
1758 | desc = "1"; | |
e2500fed | 1759 | } |
17211ab5 GK |
1760 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
1761 | output_escaped_param (d, desc, "desc"); | |
1762 | oprintf (d->of, ")\n"); | |
1763 | d->indent += 2; | |
1764 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
1765 | } | |
1766 | for (f = t->u.s.fields; f; f = f->next) | |
1767 | { | |
1768 | options_p oo; | |
1769 | const char *dot = "."; | |
1770 | const char *tagid = NULL; | |
1771 | int skip_p = 0; | |
1772 | int default_p = 0; | |
1773 | int use_param_p = 0; | |
1774 | char *newval; | |
1775 | ||
1776 | d->reorder_fn = NULL; | |
1777 | for (oo = f->opt; oo; oo = oo->next) | |
1778 | if (strcmp (oo->name, "dot") == 0) | |
9e2878cf | 1779 | dot = oo->info; |
17211ab5 | 1780 | else if (strcmp (oo->name, "tag") == 0) |
9e2878cf | 1781 | tagid = oo->info; |
17211ab5 GK |
1782 | else if (strcmp (oo->name, "skip") == 0) |
1783 | skip_p = 1; | |
1784 | else if (strcmp (oo->name, "default") == 0) | |
1785 | default_p = 1; | |
1786 | else if (strcmp (oo->name, "reorder") == 0) | |
9e2878cf | 1787 | d->reorder_fn = oo->info; |
17211ab5 GK |
1788 | else if (strncmp (oo->name, "use_param", 9) == 0 |
1789 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
1790 | use_param_p = 1; | |
1791 | ||
1792 | if (skip_p) | |
1793 | continue; | |
1794 | ||
1795 | if (union_p && tagid) | |
e2500fed | 1796 | { |
17211ab5 GK |
1797 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
1798 | d->indent += 2; | |
e2500fed | 1799 | } |
17211ab5 | 1800 | else if (union_p && default_p) |
e2500fed | 1801 | { |
17211ab5 GK |
1802 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
1803 | d->indent += 2; | |
1804 | seen_default_p = 1; | |
e2500fed | 1805 | } |
17211ab5 | 1806 | else if (! union_p && (default_p || tagid)) |
3d7aafde | 1807 | error_at_line (d->line, |
17211ab5 GK |
1808 | "can't use `%s' outside a union on field `%s'", |
1809 | default_p ? "default" : "tag", f->name); | |
1810 | else if (union_p && ! (default_p || tagid) | |
1811 | && f->type->kind == TYPE_SCALAR) | |
e2500fed | 1812 | { |
17211ab5 GK |
1813 | fprintf (stderr, |
1814 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", | |
1815 | d->line->file, d->line->line, f->name); | |
1816 | continue; | |
e2500fed | 1817 | } |
17211ab5 | 1818 | else if (union_p && ! (default_p || tagid)) |
3d7aafde | 1819 | error_at_line (d->line, |
17211ab5 | 1820 | "field `%s' is missing `tag' or `default' option", |
e2500fed | 1821 | f->name); |
3d7aafde | 1822 | |
17211ab5 GK |
1823 | d->line = &f->line; |
1824 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
1825 | d->opt = f->opt; | |
d8044160 | 1826 | d->used_length = false; |
17211ab5 GK |
1827 | |
1828 | if (union_p && use_param_p && d->param == NULL) | |
b2d59f6f | 1829 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
17211ab5 GK |
1830 | else |
1831 | walk_type (f->type, d); | |
1832 | ||
1833 | free (newval); | |
1834 | ||
1835 | if (union_p) | |
e2500fed | 1836 | { |
17211ab5 GK |
1837 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
1838 | d->indent -= 2; | |
e2500fed | 1839 | } |
17211ab5 GK |
1840 | } |
1841 | d->reorder_fn = NULL; | |
e2500fed | 1842 | |
17211ab5 GK |
1843 | d->val = oldval; |
1844 | d->prev_val[1] = oldprevval1; | |
1845 | d->prev_val[2] = oldprevval2; | |
1846 | ||
1847 | if (union_p && ! seen_default_p) | |
1848 | { | |
1849 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
1850 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
1851 | } | |
1852 | if (union_p) | |
1853 | { | |
1854 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1855 | d->indent -= 2; | |
e2500fed | 1856 | } |
17211ab5 GK |
1857 | } |
1858 | break; | |
e2500fed | 1859 | |
17211ab5 GK |
1860 | case TYPE_LANG_STRUCT: |
1861 | { | |
1862 | type_p nt; | |
1863 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
1864 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
1865 | break; | |
1866 | if (nt == NULL) | |
1867 | error_at_line (d->line, "structure `%s' differs between languages", | |
1868 | t->u.s.tag); | |
1869 | else | |
1870 | walk_type (nt, d); | |
1871 | } | |
1872 | break; | |
1873 | ||
1874 | case TYPE_PARAM_STRUCT: | |
1875 | { | |
1876 | type_p *oldparam = d->param; | |
3d7aafde | 1877 | |
17211ab5 GK |
1878 | d->param = t->u.param_struct.param; |
1879 | walk_type (t->u.param_struct.stru, d); | |
1880 | d->param = oldparam; | |
1881 | } | |
1882 | break; | |
3d7aafde | 1883 | |
17211ab5 | 1884 | default: |
b2d59f6f | 1885 | gcc_unreachable (); |
e2500fed | 1886 | } |
17211ab5 GK |
1887 | } |
1888 | ||
1889 | /* process_field routine for marking routines. */ | |
1890 | ||
1891 | static void | |
3d7aafde | 1892 | write_types_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
1893 | { |
1894 | const struct write_types_data *wtd; | |
f099d360 | 1895 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
17211ab5 | 1896 | wtd = (const struct write_types_data *) d->cookie; |
3d7aafde | 1897 | |
17211ab5 | 1898 | switch (f->kind) |
e2500fed | 1899 | { |
17211ab5 | 1900 | case TYPE_POINTER: |
3d7aafde | 1901 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
f099d360 | 1902 | wtd->subfield_marker_routine, cast, d->val); |
17211ab5 | 1903 | if (wtd->param_prefix) |
36a5eadd | 1904 | { |
17211ab5 GK |
1905 | oprintf (d->of, ", %s", d->prev_val[3]); |
1906 | if (d->orig_s) | |
1907 | { | |
1908 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
1909 | output_mangled_typename (d->of, d->orig_s); | |
1910 | } | |
1911 | else | |
1912 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
08cee789 DJ |
1913 | |
1914 | if (f->u.p->kind == TYPE_PARAM_STRUCT | |
1915 | && f->u.p->u.s.line.file != NULL) | |
1916 | { | |
1917 | oprintf (d->of, ", gt_e_"); | |
1918 | output_mangled_typename (d->of, f); | |
1919 | } | |
1920 | else if (UNION_OR_STRUCT_P (f) | |
1921 | && f->u.p->u.s.line.file != NULL) | |
1922 | { | |
1923 | oprintf (d->of, ", gt_ggc_e_"); | |
1924 | output_mangled_typename (d->of, f); | |
1925 | } | |
1926 | else | |
1927 | oprintf (d->of, ", gt_types_enum_last"); | |
36a5eadd | 1928 | } |
17211ab5 GK |
1929 | oprintf (d->of, ");\n"); |
1930 | if (d->reorder_fn && wtd->reorder_note_routine) | |
3d7aafde | 1931 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
f099d360 | 1932 | wtd->reorder_note_routine, cast, d->val, |
17211ab5 GK |
1933 | d->prev_val[3], d->reorder_fn); |
1934 | break; | |
1935 | ||
1936 | case TYPE_STRING: | |
1937 | if (wtd->param_prefix == NULL) | |
1938 | break; | |
1939 | ||
1940 | case TYPE_STRUCT: | |
1941 | case TYPE_UNION: | |
1942 | case TYPE_LANG_STRUCT: | |
1943 | case TYPE_PARAM_STRUCT: | |
1944 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
1945 | output_mangled_typename (d->of, f); | |
f099d360 | 1946 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
17211ab5 | 1947 | if (d->reorder_fn && wtd->reorder_note_routine) |
3d7aafde | 1948 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
f099d360 | 1949 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
17211ab5 GK |
1950 | d->reorder_fn); |
1951 | break; | |
1952 | ||
1953 | case TYPE_SCALAR: | |
1954 | break; | |
3d7aafde | 1955 | |
17211ab5 | 1956 | default: |
b2d59f6f | 1957 | gcc_unreachable (); |
e2500fed GK |
1958 | } |
1959 | } | |
1960 | ||
2d82317d RH |
1961 | /* A subroutine of write_func_for_structure. Write the enum tag for S. */ |
1962 | ||
1963 | static void | |
1964 | output_type_enum (outf_p of, type_p s) | |
1965 | { | |
1966 | if (s->kind == TYPE_PARAM_STRUCT && s->u.s.line.file != NULL) | |
1967 | { | |
1968 | oprintf (of, ", gt_e_"); | |
1969 | output_mangled_typename (of, s); | |
1970 | } | |
1971 | else if (UNION_OR_STRUCT_P (s) && s->u.s.line.file != NULL) | |
1972 | { | |
1973 | oprintf (of, ", gt_ggc_e_"); | |
1974 | output_mangled_typename (of, s); | |
1975 | } | |
1976 | else | |
1977 | oprintf (of, ", gt_types_enum_last"); | |
1978 | } | |
1979 | ||
17211ab5 GK |
1980 | /* For S, a structure that's part of ORIG_S, and using parameters |
1981 | PARAM, write out a routine that: | |
1982 | - Takes a parameter, a void * but actually of type *S | |
1983 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
1984 | field of S or its substructures and (in some cases) things | |
1985 | that are pointed to by S. | |
1986 | */ | |
9f313342 | 1987 | |
e2500fed | 1988 | static void |
8c80adb7 SB |
1989 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
1990 | const struct write_types_data *wtd) | |
e2500fed | 1991 | { |
36a5eadd GK |
1992 | const char *fn = s->u.s.line.file; |
1993 | int i; | |
1994 | const char *chain_next = NULL; | |
1995 | const char *chain_prev = NULL; | |
8d6419b2 | 1996 | const char *mark_hook_name = NULL; |
36a5eadd | 1997 | options_p opt; |
17211ab5 | 1998 | struct walk_type_data d; |
3d7aafde | 1999 | |
36a5eadd GK |
2000 | /* This is a hack, and not the good kind either. */ |
2001 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2002 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
36a5eadd GK |
2003 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2004 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2005 | |
17211ab5 GK |
2006 | memset (&d, 0, sizeof (d)); |
2007 | d.of = get_output_file_with_visibility (fn); | |
3d7aafde | 2008 | |
36a5eadd GK |
2009 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2010 | if (strcmp (opt->name, "chain_next") == 0) | |
9e2878cf | 2011 | chain_next = opt->info; |
36a5eadd | 2012 | else if (strcmp (opt->name, "chain_prev") == 0) |
9e2878cf | 2013 | chain_prev = opt->info; |
8d6419b2 BS |
2014 | else if (strcmp (opt->name, "mark_hook") == 0) |
2015 | mark_hook_name = opt->info; | |
36a5eadd GK |
2016 | |
2017 | if (chain_prev != NULL && chain_next == NULL) | |
2018 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
2019 | ||
17211ab5 GK |
2020 | d.process_field = write_types_process_field; |
2021 | d.cookie = wtd; | |
2022 | d.orig_s = orig_s; | |
2023 | d.opt = s->u.s.opt; | |
2024 | d.line = &s->u.s.line; | |
2025 | d.bitmap = s->u.s.bitmap; | |
2026 | d.param = param; | |
2027 | d.prev_val[0] = "*x"; | |
e0a21ab9 | 2028 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2029 | d.prev_val[3] = "x"; |
2030 | d.val = "(*x)"; | |
2031 | ||
2032 | oprintf (d.of, "\n"); | |
2033 | oprintf (d.of, "void\n"); | |
e2500fed | 2034 | if (param == NULL) |
17211ab5 | 2035 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
e2500fed | 2036 | else |
36a5eadd | 2037 | { |
17211ab5 GK |
2038 | oprintf (d.of, "gt_%s_", wtd->prefix); |
2039 | output_mangled_typename (d.of, orig_s); | |
36a5eadd | 2040 | } |
6906ba40 | 2041 | oprintf (d.of, " (void *x_p)\n"); |
17211ab5 GK |
2042 | oprintf (d.of, "{\n"); |
2043 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
e2500fed | 2044 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
36a5eadd | 2045 | chain_next == NULL ? "const " : "", |
e2500fed | 2046 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
36a5eadd | 2047 | if (chain_next != NULL) |
17211ab5 | 2048 | oprintf (d.of, " %s %s * xlimit = x;\n", |
36a5eadd GK |
2049 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
2050 | if (chain_next == NULL) | |
17211ab5 GK |
2051 | { |
2052 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
2053 | if (wtd->param_prefix) | |
2054 | { | |
2055 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
2056 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2057 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2058 | } |
2059 | oprintf (d.of, "))\n"); | |
2060 | } | |
36a5eadd GK |
2061 | else |
2062 | { | |
17211ab5 GK |
2063 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); |
2064 | if (wtd->param_prefix) | |
2065 | { | |
2066 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2067 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2068 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2069 | } |
2070 | oprintf (d.of, "))\n"); | |
8d6419b2 BS |
2071 | if (mark_hook_name && !wtd->skip_hooks) |
2072 | { | |
2073 | oprintf (d.of, " {\n"); | |
2074 | oprintf (d.of, " %s (xlimit);\n ", mark_hook_name); | |
2075 | } | |
17211ab5 GK |
2076 | oprintf (d.of, " xlimit = ("); |
2077 | d.prev_val[2] = "*xlimit"; | |
2078 | output_escaped_param (&d, chain_next, "chain_next"); | |
2079 | oprintf (d.of, ");\n"); | |
8d6419b2 BS |
2080 | if (mark_hook_name && !wtd->skip_hooks) |
2081 | oprintf (d.of, " }\n"); | |
36a5eadd GK |
2082 | if (chain_prev != NULL) |
2083 | { | |
17211ab5 GK |
2084 | oprintf (d.of, " if (x != xlimit)\n"); |
2085 | oprintf (d.of, " for (;;)\n"); | |
2086 | oprintf (d.of, " {\n"); | |
2087 | oprintf (d.of, " %s %s * const xprev = (", | |
36a5eadd | 2088 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
3d7aafde | 2089 | |
17211ab5 GK |
2090 | d.prev_val[2] = "*x"; |
2091 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
2092 | oprintf (d.of, ");\n"); | |
2093 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
2094 | oprintf (d.of, " x = xprev;\n"); | |
3d7aafde | 2095 | oprintf (d.of, " (void) %s (xprev", |
17211ab5 GK |
2096 | wtd->marker_routine); |
2097 | if (wtd->param_prefix) | |
2098 | { | |
2099 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
2100 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2101 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2102 | } |
2103 | oprintf (d.of, ");\n"); | |
2104 | oprintf (d.of, " }\n"); | |
36a5eadd | 2105 | } |
17211ab5 | 2106 | oprintf (d.of, " while (x != xlimit)\n"); |
36a5eadd | 2107 | } |
17211ab5 | 2108 | oprintf (d.of, " {\n"); |
8d6419b2 BS |
2109 | if (mark_hook_name && chain_next == NULL && !wtd->skip_hooks) |
2110 | { | |
2111 | oprintf (d.of, " %s (x);\n", mark_hook_name); | |
2112 | } | |
17211ab5 GK |
2113 | d.prev_val[2] = "*x"; |
2114 | d.indent = 6; | |
2115 | walk_type (s, &d); | |
3d7aafde | 2116 | |
36a5eadd GK |
2117 | if (chain_next != NULL) |
2118 | { | |
17211ab5 GK |
2119 | oprintf (d.of, " x = ("); |
2120 | output_escaped_param (&d, chain_next, "chain_next"); | |
2121 | oprintf (d.of, ");\n"); | |
36a5eadd GK |
2122 | } |
2123 | ||
17211ab5 GK |
2124 | oprintf (d.of, " }\n"); |
2125 | oprintf (d.of, "}\n"); | |
e2500fed | 2126 | } |
9f313342 GK |
2127 | |
2128 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
e2500fed GK |
2129 | |
2130 | static void | |
3d7aafde AJ |
2131 | write_types (type_p structures, type_p param_structs, |
2132 | const struct write_types_data *wtd) | |
e2500fed GK |
2133 | { |
2134 | type_p s; | |
3d7aafde | 2135 | |
17211ab5 | 2136 | oprintf (header_file, "\n/* %s*/\n", wtd->comment); |
e2500fed GK |
2137 | for (s = structures; s; s = s->next) |
2138 | if (s->gc_used == GC_POINTED_TO | |
2139 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2140 | { | |
2141 | options_p opt; | |
3d7aafde | 2142 | |
e2500fed GK |
2143 | if (s->gc_used == GC_MAYBE_POINTED_TO |
2144 | && s->u.s.line.file == NULL) | |
2145 | continue; | |
2146 | ||
17211ab5 | 2147 | oprintf (header_file, "#define gt_%s_", wtd->prefix); |
36a5eadd GK |
2148 | output_mangled_typename (header_file, s); |
2149 | oprintf (header_file, "(X) do { \\\n"); | |
e03856fe | 2150 | oprintf (header_file, |
3d7aafde | 2151 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
17211ab5 | 2152 | s->u.s.tag); |
e03856fe | 2153 | oprintf (header_file, |
e2500fed | 2154 | " } while (0)\n"); |
3d7aafde | 2155 | |
e2500fed GK |
2156 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2157 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2158 | { | |
2159 | type_p t = (type_p) opt->info; | |
3d7aafde | 2160 | if (t->kind == TYPE_STRUCT |
e2500fed GK |
2161 | || t->kind == TYPE_UNION |
2162 | || t->kind == TYPE_LANG_STRUCT) | |
e03856fe | 2163 | oprintf (header_file, |
17211ab5 GK |
2164 | "#define gt_%sx_%s gt_%sx_%s\n", |
2165 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
e2500fed | 2166 | else |
3d7aafde | 2167 | error_at_line (&s->u.s.line, |
e2500fed GK |
2168 | "structure alias is not a structure"); |
2169 | break; | |
2170 | } | |
2171 | if (opt) | |
2172 | continue; | |
2173 | ||
2174 | /* Declare the marker procedure only once. */ | |
3d7aafde AJ |
2175 | oprintf (header_file, |
2176 | "extern void gt_%sx_%s (void *);\n", | |
17211ab5 | 2177 | wtd->prefix, s->u.s.tag); |
3d7aafde | 2178 | |
e2500fed GK |
2179 | if (s->u.s.line.file == NULL) |
2180 | { | |
3d7aafde | 2181 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2182 | s->u.s.tag); |
2183 | continue; | |
2184 | } | |
3d7aafde | 2185 | |
e2500fed GK |
2186 | if (s->kind == TYPE_LANG_STRUCT) |
2187 | { | |
2188 | type_p ss; | |
2189 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 | 2190 | write_func_for_structure (s, ss, NULL, wtd); |
e2500fed GK |
2191 | } |
2192 | else | |
17211ab5 | 2193 | write_func_for_structure (s, s, NULL, wtd); |
e2500fed GK |
2194 | } |
2195 | ||
2196 | for (s = param_structs; s; s = s->next) | |
2197 | if (s->gc_used == GC_POINTED_TO) | |
2198 | { | |
36a5eadd | 2199 | type_p * param = s->u.param_struct.param; |
e2500fed GK |
2200 | type_p stru = s->u.param_struct.stru; |
2201 | ||
e2500fed | 2202 | /* Declare the marker procedure. */ |
17211ab5 | 2203 | oprintf (header_file, "extern void gt_%s_", wtd->prefix); |
36a5eadd | 2204 | output_mangled_typename (header_file, s); |
3d7aafde AJ |
2205 | oprintf (header_file, " (void *);\n"); |
2206 | ||
e2500fed GK |
2207 | if (stru->u.s.line.file == NULL) |
2208 | { | |
3d7aafde | 2209 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2210 | s->u.s.tag); |
2211 | continue; | |
2212 | } | |
3d7aafde | 2213 | |
e2500fed GK |
2214 | if (stru->kind == TYPE_LANG_STRUCT) |
2215 | { | |
2216 | type_p ss; | |
2217 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 GK |
2218 | write_func_for_structure (s, ss, param, wtd); |
2219 | } | |
2220 | else | |
2221 | write_func_for_structure (s, stru, param, wtd); | |
2222 | } | |
2223 | } | |
2224 | ||
2225 | static const struct write_types_data ggc_wtd = | |
2226 | { | |
2227 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, | |
8d6419b2 BS |
2228 | "GC marker procedures. ", |
2229 | FALSE | |
17211ab5 GK |
2230 | }; |
2231 | ||
2232 | static const struct write_types_data pch_wtd = | |
2233 | { | |
2234 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", | |
2235 | "gt_pch_note_reorder", | |
8d6419b2 BS |
2236 | "PCH type-walking procedures. ", |
2237 | TRUE | |
17211ab5 GK |
2238 | }; |
2239 | ||
2240 | /* Write out the local pointer-walking routines. */ | |
2241 | ||
2242 | /* process_field routine for local pointer-walking. */ | |
2243 | ||
2244 | static void | |
3d7aafde | 2245 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2246 | { |
2247 | switch (f->kind) | |
2248 | { | |
2249 | case TYPE_POINTER: | |
2250 | case TYPE_STRUCT: | |
2251 | case TYPE_UNION: | |
2252 | case TYPE_LANG_STRUCT: | |
2253 | case TYPE_PARAM_STRUCT: | |
2254 | case TYPE_STRING: | |
2255 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
2256 | d->prev_val[3]); | |
2257 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
2258 | break; | |
2259 | ||
2260 | case TYPE_SCALAR: | |
2261 | break; | |
3d7aafde | 2262 | |
17211ab5 | 2263 | default: |
b2d59f6f | 2264 | gcc_unreachable (); |
17211ab5 GK |
2265 | } |
2266 | } | |
2267 | ||
2268 | /* For S, a structure that's part of ORIG_S, and using parameters | |
2269 | PARAM, write out a routine that: | |
2270 | - Is of type gt_note_pointers | |
d8044160 | 2271 | - Calls PROCESS_FIELD on each field of S or its substructures. |
17211ab5 GK |
2272 | */ |
2273 | ||
2274 | static void | |
3d7aafde | 2275 | write_local_func_for_structure (type_p orig_s, type_p s, type_p *param) |
17211ab5 GK |
2276 | { |
2277 | const char *fn = s->u.s.line.file; | |
2278 | int i; | |
2279 | struct walk_type_data d; | |
3d7aafde | 2280 | |
17211ab5 GK |
2281 | /* This is a hack, and not the good kind either. */ |
2282 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2283 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
17211ab5 GK |
2284 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2285 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2286 | |
17211ab5 GK |
2287 | memset (&d, 0, sizeof (d)); |
2288 | d.of = get_output_file_with_visibility (fn); | |
3d7aafde | 2289 | |
17211ab5 GK |
2290 | d.process_field = write_types_local_process_field; |
2291 | d.opt = s->u.s.opt; | |
2292 | d.line = &s->u.s.line; | |
2293 | d.bitmap = s->u.s.bitmap; | |
2294 | d.param = param; | |
2295 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
e0a21ab9 | 2296 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2297 | d.prev_val[3] = "x"; |
2298 | d.val = "(*x)"; | |
d8044160 | 2299 | d.fn_wants_lvalue = true; |
17211ab5 GK |
2300 | |
2301 | oprintf (d.of, "\n"); | |
2302 | oprintf (d.of, "void\n"); | |
2303 | oprintf (d.of, "gt_pch_p_"); | |
2304 | output_mangled_typename (d.of, orig_s); | |
e18476eb BI |
2305 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
2306 | "\tvoid *x_p,\n" | |
2307 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
2308 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
17211ab5 GK |
2309 | oprintf (d.of, "{\n"); |
2310 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
2311 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
2312 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
2313 | d.indent = 2; | |
2314 | walk_type (s, &d); | |
2315 | oprintf (d.of, "}\n"); | |
2316 | } | |
2317 | ||
2318 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
2319 | ||
2320 | static void | |
3d7aafde | 2321 | write_local (type_p structures, type_p param_structs) |
17211ab5 GK |
2322 | { |
2323 | type_p s; | |
3d7aafde | 2324 | |
17211ab5 GK |
2325 | oprintf (header_file, "\n/* Local pointer-walking routines. */\n"); |
2326 | for (s = structures; s; s = s->next) | |
2327 | if (s->gc_used == GC_POINTED_TO | |
2328 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2329 | { | |
2330 | options_p opt; | |
3d7aafde | 2331 | |
17211ab5 GK |
2332 | if (s->u.s.line.file == NULL) |
2333 | continue; | |
2334 | ||
2335 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2336 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2337 | { | |
2338 | type_p t = (type_p) opt->info; | |
3d7aafde | 2339 | if (t->kind == TYPE_STRUCT |
17211ab5 GK |
2340 | || t->kind == TYPE_UNION |
2341 | || t->kind == TYPE_LANG_STRUCT) | |
2342 | { | |
2343 | oprintf (header_file, "#define gt_pch_p_"); | |
2344 | output_mangled_typename (header_file, s); | |
2345 | oprintf (header_file, " gt_pch_p_"); | |
2346 | output_mangled_typename (header_file, t); | |
2347 | oprintf (header_file, "\n"); | |
2348 | } | |
2349 | else | |
3d7aafde | 2350 | error_at_line (&s->u.s.line, |
17211ab5 GK |
2351 | "structure alias is not a structure"); |
2352 | break; | |
2353 | } | |
2354 | if (opt) | |
2355 | continue; | |
2356 | ||
2357 | /* Declare the marker procedure only once. */ | |
2358 | oprintf (header_file, "extern void gt_pch_p_"); | |
2359 | output_mangled_typename (header_file, s); | |
3d7aafde AJ |
2360 | oprintf (header_file, |
2361 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2362 | ||
17211ab5 GK |
2363 | if (s->kind == TYPE_LANG_STRUCT) |
2364 | { | |
2365 | type_p ss; | |
2366 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2367 | write_local_func_for_structure (s, ss, NULL); | |
2368 | } | |
2369 | else | |
2370 | write_local_func_for_structure (s, s, NULL); | |
2371 | } | |
2372 | ||
2373 | for (s = param_structs; s; s = s->next) | |
2374 | if (s->gc_used == GC_POINTED_TO) | |
2375 | { | |
2376 | type_p * param = s->u.param_struct.param; | |
2377 | type_p stru = s->u.param_struct.stru; | |
2378 | ||
2379 | /* Declare the marker procedure. */ | |
2380 | oprintf (header_file, "extern void gt_pch_p_"); | |
2381 | output_mangled_typename (header_file, s); | |
3d7aafde AJ |
2382 | oprintf (header_file, |
2383 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2384 | ||
17211ab5 GK |
2385 | if (stru->u.s.line.file == NULL) |
2386 | { | |
3d7aafde | 2387 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
17211ab5 GK |
2388 | s->u.s.tag); |
2389 | continue; | |
2390 | } | |
3d7aafde | 2391 | |
17211ab5 GK |
2392 | if (stru->kind == TYPE_LANG_STRUCT) |
2393 | { | |
2394 | type_p ss; | |
2395 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
2396 | write_local_func_for_structure (s, ss, param); | |
e2500fed GK |
2397 | } |
2398 | else | |
17211ab5 | 2399 | write_local_func_for_structure (s, stru, param); |
36a5eadd GK |
2400 | } |
2401 | } | |
2402 | ||
2403 | /* Write out the 'enum' definition for gt_types_enum. */ | |
2404 | ||
2405 | static void | |
8c80adb7 | 2406 | write_enum_defn (type_p structures, type_p param_structs) |
36a5eadd GK |
2407 | { |
2408 | type_p s; | |
3d7aafde | 2409 | |
36a5eadd GK |
2410 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
2411 | oprintf (header_file, "enum gt_types_enum {\n"); | |
2412 | for (s = structures; s; s = s->next) | |
2413 | if (s->gc_used == GC_POINTED_TO | |
2414 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2415 | { | |
2416 | if (s->gc_used == GC_MAYBE_POINTED_TO | |
2417 | && s->u.s.line.file == NULL) | |
2418 | continue; | |
2419 | ||
2420 | oprintf (header_file, " gt_ggc_e_"); | |
2421 | output_mangled_typename (header_file, s); | |
2422 | oprintf (header_file, ", \n"); | |
e2500fed | 2423 | } |
36a5eadd GK |
2424 | for (s = param_structs; s; s = s->next) |
2425 | if (s->gc_used == GC_POINTED_TO) | |
2426 | { | |
2427 | oprintf (header_file, " gt_e_"); | |
2428 | output_mangled_typename (header_file, s); | |
2429 | oprintf (header_file, ", \n"); | |
2430 | } | |
2431 | oprintf (header_file, " gt_types_enum_last\n"); | |
2432 | oprintf (header_file, "};\n"); | |
e2500fed GK |
2433 | } |
2434 | ||
17211ab5 GK |
2435 | /* Might T contain any non-pointer elements? */ |
2436 | ||
2437 | static int | |
3d7aafde | 2438 | contains_scalar_p (type_p t) |
17211ab5 GK |
2439 | { |
2440 | switch (t->kind) | |
2441 | { | |
2442 | case TYPE_STRING: | |
2443 | case TYPE_POINTER: | |
2444 | return 0; | |
2445 | case TYPE_ARRAY: | |
2446 | return contains_scalar_p (t->u.a.p); | |
2447 | default: | |
2448 | /* Could also check for structures that have no non-pointer | |
2449 | fields, but there aren't enough of those to worry about. */ | |
2450 | return 1; | |
2451 | } | |
2452 | } | |
36a5eadd | 2453 | |
9f313342 GK |
2454 | /* Mangle FN and print it to F. */ |
2455 | ||
e2500fed | 2456 | static void |
3d7aafde | 2457 | put_mangled_filename (outf_p f, const char *fn) |
e2500fed GK |
2458 | { |
2459 | const char *name = get_output_file_name (fn); | |
2460 | for (; *name != 0; name++) | |
1f8e4682 | 2461 | if (ISALNUM (*name)) |
e03856fe | 2462 | oprintf (f, "%c", *name); |
e2500fed | 2463 | else |
e03856fe | 2464 | oprintf (f, "%c", '_'); |
e2500fed GK |
2465 | } |
2466 | ||
9f313342 GK |
2467 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
2468 | LASTNAME, and NAME are all strings to insert in various places in | |
2469 | the resulting code. */ | |
2470 | ||
e2500fed | 2471 | static void |
3d7aafde AJ |
2472 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
2473 | const char *tname, const char *name) | |
e2500fed GK |
2474 | { |
2475 | struct flist *fli2; | |
3d7aafde | 2476 | |
e2500fed GK |
2477 | for (fli2 = flp; fli2; fli2 = fli2->next) |
2478 | if (fli2->started_p) | |
2479 | { | |
e03856fe GK |
2480 | oprintf (fli2->f, " %s\n", lastname); |
2481 | oprintf (fli2->f, "};\n\n"); | |
e2500fed GK |
2482 | } |
2483 | ||
2484 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
2485 | if (fli2->started_p) | |
2486 | { | |
2487 | lang_bitmap bitmap = get_base_file_bitmap (fli2->name); | |
2488 | int fnum; | |
2489 | ||
2490 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
2491 | if (bitmap & 1) | |
2492 | { | |
e03856fe | 2493 | oprintf (base_files[fnum], |
17211ab5 | 2494 | "extern const struct %s gt_%s_", |
e2500fed GK |
2495 | tname, pfx); |
2496 | put_mangled_filename (base_files[fnum], fli2->name); | |
e03856fe | 2497 | oprintf (base_files[fnum], "[];\n"); |
e2500fed GK |
2498 | } |
2499 | } | |
3d7aafde | 2500 | |
17211ab5 GK |
2501 | { |
2502 | size_t fnum; | |
2503 | for (fnum = 0; fnum < NUM_BASE_FILES; fnum++) | |
2504 | oprintf (base_files [fnum], | |
2505 | "const struct %s * const %s[] = {\n", | |
2506 | tname, name); | |
2507 | } | |
3d7aafde | 2508 | |
e2500fed GK |
2509 | |
2510 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
2511 | if (fli2->started_p) | |
2512 | { | |
2513 | lang_bitmap bitmap = get_base_file_bitmap (fli2->name); | |
2514 | int fnum; | |
2515 | ||
2516 | fli2->started_p = 0; | |
2517 | ||
2518 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
2519 | if (bitmap & 1) | |
2520 | { | |
17211ab5 | 2521 | oprintf (base_files[fnum], " gt_%s_", pfx); |
e2500fed | 2522 | put_mangled_filename (base_files[fnum], fli2->name); |
e03856fe | 2523 | oprintf (base_files[fnum], ",\n"); |
e2500fed GK |
2524 | } |
2525 | } | |
2526 | ||
2527 | { | |
17211ab5 GK |
2528 | size_t fnum; |
2529 | for (fnum = 0; fnum < NUM_BASE_FILES; fnum++) | |
2530 | { | |
2531 | oprintf (base_files[fnum], " NULL\n"); | |
2532 | oprintf (base_files[fnum], "};\n"); | |
2533 | } | |
e2500fed GK |
2534 | } |
2535 | } | |
2536 | ||
9f313342 GK |
2537 | /* Write out to F the table entry and any marker routines needed to |
2538 | mark NAME as TYPE. The original variable is V, at LINE. | |
2539 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED | |
2540 | is nonzero iff we are building the root table for hash table caches. */ | |
2541 | ||
e2500fed | 2542 | static void |
3d7aafde AJ |
2543 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
2544 | struct fileloc *line, const char *if_marked) | |
e2500fed GK |
2545 | { |
2546 | switch (type->kind) | |
2547 | { | |
2548 | case TYPE_STRUCT: | |
2549 | { | |
2550 | pair_p fld; | |
2551 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
2552 | { | |
2553 | int skip_p = 0; | |
2554 | const char *desc = NULL; | |
2555 | options_p o; | |
3d7aafde | 2556 | |
e2500fed GK |
2557 | for (o = fld->opt; o; o = o->next) |
2558 | if (strcmp (o->name, "skip") == 0) | |
2559 | skip_p = 1; | |
2560 | else if (strcmp (o->name, "desc") == 0) | |
9e2878cf | 2561 | desc = o->info; |
e2500fed GK |
2562 | else |
2563 | error_at_line (line, | |
2564 | "field `%s' of global `%s' has unknown option `%s'", | |
2565 | fld->name, name, o->name); | |
3d7aafde | 2566 | |
e2500fed GK |
2567 | if (skip_p) |
2568 | continue; | |
2569 | else if (desc && fld->type->kind == TYPE_UNION) | |
2570 | { | |
2571 | pair_p validf = NULL; | |
2572 | pair_p ufld; | |
3d7aafde | 2573 | |
e2500fed GK |
2574 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
2575 | { | |
2576 | const char *tag = NULL; | |
2577 | options_p oo; | |
3d7aafde | 2578 | |
e2500fed GK |
2579 | for (oo = ufld->opt; oo; oo = oo->next) |
2580 | if (strcmp (oo->name, "tag") == 0) | |
9e2878cf | 2581 | tag = oo->info; |
e2500fed GK |
2582 | if (tag == NULL || strcmp (tag, desc) != 0) |
2583 | continue; | |
2584 | if (validf != NULL) | |
3d7aafde | 2585 | error_at_line (line, |
e2500fed GK |
2586 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
2587 | name, fld->name, validf->name, | |
2588 | name, fld->name, ufld->name, | |
2589 | tag); | |
2590 | validf = ufld; | |
2591 | } | |
2592 | if (validf != NULL) | |
2593 | { | |
2594 | char *newname; | |
3d7aafde | 2595 | newname = xasprintf ("%s.%s.%s", |
e03856fe | 2596 | name, fld->name, validf->name); |
17211ab5 GK |
2597 | write_root (f, v, validf->type, newname, 0, line, |
2598 | if_marked); | |
e2500fed GK |
2599 | free (newname); |
2600 | } | |
2601 | } | |
2602 | else if (desc) | |
3d7aafde | 2603 | error_at_line (line, |
e2500fed GK |
2604 | "global `%s.%s' has `desc' option but is not union", |
2605 | name, fld->name); | |
2606 | else | |
2607 | { | |
2608 | char *newname; | |
e03856fe | 2609 | newname = xasprintf ("%s.%s", name, fld->name); |
17211ab5 | 2610 | write_root (f, v, fld->type, newname, 0, line, if_marked); |
e2500fed GK |
2611 | free (newname); |
2612 | } | |
2613 | } | |
2614 | } | |
2615 | break; | |
2616 | ||
2617 | case TYPE_ARRAY: | |
2618 | { | |
2619 | char *newname; | |
e03856fe | 2620 | newname = xasprintf ("%s[0]", name); |
17211ab5 | 2621 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked); |
e2500fed GK |
2622 | free (newname); |
2623 | } | |
2624 | break; | |
3d7aafde | 2625 | |
e2500fed GK |
2626 | case TYPE_POINTER: |
2627 | { | |
2628 | type_p ap, tp; | |
3d7aafde | 2629 | |
e03856fe GK |
2630 | oprintf (f, " {\n"); |
2631 | oprintf (f, " &%s,\n", name); | |
2632 | oprintf (f, " 1"); | |
3d7aafde | 2633 | |
e2500fed GK |
2634 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
2635 | if (ap->u.a.len[0]) | |
e03856fe | 2636 | oprintf (f, " * (%s)", ap->u.a.len); |
e2500fed | 2637 | else if (ap == v->type) |
62c71f4b | 2638 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); |
e03856fe GK |
2639 | oprintf (f, ",\n"); |
2640 | oprintf (f, " sizeof (%s", v->name); | |
e2500fed | 2641 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
e03856fe GK |
2642 | oprintf (f, "[0]"); |
2643 | oprintf (f, "),\n"); | |
3d7aafde | 2644 | |
e2500fed | 2645 | tp = type->u.p; |
3d7aafde | 2646 | |
e2500fed GK |
2647 | if (! has_length && UNION_OR_STRUCT_P (tp)) |
2648 | { | |
17211ab5 GK |
2649 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
2650 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
e2500fed GK |
2651 | } |
2652 | else if (! has_length && tp->kind == TYPE_PARAM_STRUCT) | |
2653 | { | |
36a5eadd GK |
2654 | oprintf (f, " >_ggc_m_"); |
2655 | output_mangled_typename (f, tp); | |
17211ab5 GK |
2656 | oprintf (f, ",\n >_pch_n_"); |
2657 | output_mangled_typename (f, tp); | |
e2500fed GK |
2658 | } |
2659 | else if (has_length | |
afb0f770 | 2660 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
e2500fed | 2661 | { |
17211ab5 GK |
2662 | oprintf (f, " >_ggc_ma_%s,\n", name); |
2663 | oprintf (f, " >_pch_na_%s", name); | |
e2500fed GK |
2664 | } |
2665 | else | |
2666 | { | |
3d7aafde | 2667 | error_at_line (line, |
e2500fed GK |
2668 | "global `%s' is pointer to unimplemented type", |
2669 | name); | |
2670 | } | |
2671 | if (if_marked) | |
e03856fe GK |
2672 | oprintf (f, ",\n &%s", if_marked); |
2673 | oprintf (f, "\n },\n"); | |
e2500fed GK |
2674 | } |
2675 | break; | |
2676 | ||
e2500fed | 2677 | case TYPE_STRING: |
17211ab5 GK |
2678 | { |
2679 | oprintf (f, " {\n"); | |
2680 | oprintf (f, " &%s,\n", name); | |
2681 | oprintf (f, " 1, \n"); | |
2682 | oprintf (f, " sizeof (%s),\n", v->name); | |
2683 | oprintf (f, " >_ggc_m_S,\n"); | |
f099d360 | 2684 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
17211ab5 GK |
2685 | oprintf (f, " },\n"); |
2686 | } | |
2687 | break; | |
3d7aafde | 2688 | |
17211ab5 | 2689 | case TYPE_SCALAR: |
e2500fed | 2690 | break; |
3d7aafde | 2691 | |
e2500fed | 2692 | default: |
3d7aafde | 2693 | error_at_line (line, |
e2500fed GK |
2694 | "global `%s' is unimplemented type", |
2695 | name); | |
2696 | } | |
2697 | } | |
2698 | ||
17211ab5 GK |
2699 | /* This generates a routine to walk an array. */ |
2700 | ||
2701 | static void | |
3d7aafde | 2702 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
17211ab5 GK |
2703 | { |
2704 | struct walk_type_data d; | |
2705 | char *prevval3; | |
3d7aafde | 2706 | |
17211ab5 GK |
2707 | memset (&d, 0, sizeof (d)); |
2708 | d.of = f; | |
2709 | d.cookie = wtd; | |
2710 | d.indent = 2; | |
2711 | d.line = &v->line; | |
2712 | d.opt = v->opt; | |
2713 | d.bitmap = get_base_file_bitmap (v->line.file); | |
2714 | d.param = NULL; | |
2715 | ||
2716 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
2717 | ||
2718 | if (wtd->param_prefix) | |
2719 | { | |
2720 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
3d7aafde AJ |
2721 | oprintf (f, |
2722 | " (void *, void *, gt_pointer_operator, void *);\n"); | |
e18476eb | 2723 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
17211ab5 | 2724 | wtd->param_prefix, v->name); |
e18476eb BI |
2725 | oprintf (d.of, |
2726 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
2727 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
2728 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
17211ab5 GK |
2729 | oprintf (d.of, "{\n"); |
2730 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
2731 | d.process_field = write_types_local_process_field; | |
2732 | walk_type (v->type, &d); | |
2733 | oprintf (f, "}\n\n"); | |
2734 | } | |
2735 | ||
2736 | d.opt = v->opt; | |
3d7aafde | 2737 | oprintf (f, "static void gt_%sa_%s (void *);\n", |
17211ab5 | 2738 | wtd->prefix, v->name); |
e18476eb | 2739 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
17211ab5 | 2740 | wtd->prefix, v->name); |
17211ab5 GK |
2741 | oprintf (f, "{\n"); |
2742 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
2743 | d.process_field = write_types_process_field; | |
2744 | walk_type (v->type, &d); | |
2745 | free (prevval3); | |
2746 | oprintf (f, "}\n\n"); | |
2747 | } | |
2748 | ||
9f313342 GK |
2749 | /* Output a table describing the locations and types of VARIABLES. */ |
2750 | ||
e2500fed | 2751 | static void |
3d7aafde | 2752 | write_roots (pair_p variables) |
e2500fed GK |
2753 | { |
2754 | pair_p v; | |
2755 | struct flist *flp = NULL; | |
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 | const char *length = NULL; | |
2762 | int deletable_p = 0; | |
2763 | options_p o; | |
2764 | ||
2765 | for (o = v->opt; o; o = o->next) | |
2766 | if (strcmp (o->name, "length") == 0) | |
9e2878cf | 2767 | length = o->info; |
e2500fed GK |
2768 | else if (strcmp (o->name, "deletable") == 0) |
2769 | deletable_p = 1; | |
2770 | else if (strcmp (o->name, "param_is") == 0) | |
2771 | ; | |
3d7aafde | 2772 | else if (strncmp (o->name, "param", 5) == 0 |
36a5eadd GK |
2773 | && ISDIGIT (o->name[5]) |
2774 | && strcmp (o->name + 6, "_is") == 0) | |
2775 | ; | |
e2500fed GK |
2776 | else if (strcmp (o->name, "if_marked") == 0) |
2777 | ; | |
2778 | else | |
3d7aafde | 2779 | error_at_line (&v->line, |
e2500fed GK |
2780 | "global `%s' has unknown option `%s'", |
2781 | v->name, o->name); | |
2782 | ||
2783 | for (fli = flp; fli; fli = fli->next) | |
2784 | if (fli->f == f) | |
2785 | break; | |
2786 | if (fli == NULL) | |
2787 | { | |
5d038c4c | 2788 | fli = XNEW (struct flist); |
e2500fed GK |
2789 | fli->f = f; |
2790 | fli->next = flp; | |
2791 | fli->started_p = 0; | |
2792 | fli->name = v->line.file; | |
2793 | flp = fli; | |
2794 | ||
e03856fe | 2795 | oprintf (f, "\n/* GC roots. */\n\n"); |
e2500fed GK |
2796 | } |
2797 | ||
2798 | if (! deletable_p | |
2799 | && length | |
2800 | && v->type->kind == TYPE_POINTER | |
2801 | && (v->type->u.p->kind == TYPE_POINTER | |
2802 | || v->type->u.p->kind == TYPE_STRUCT)) | |
2803 | { | |
17211ab5 GK |
2804 | write_array (f, v, &ggc_wtd); |
2805 | write_array (f, v, &pch_wtd); | |
e2500fed GK |
2806 | } |
2807 | } | |
2808 | ||
2809 | for (v = variables; v; v = v->next) | |
2810 | { | |
e03856fe | 2811 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
2812 | struct flist *fli; |
2813 | int skip_p = 0; | |
2814 | int length_p = 0; | |
2815 | options_p o; | |
3d7aafde | 2816 | |
e2500fed GK |
2817 | for (o = v->opt; o; o = o->next) |
2818 | if (strcmp (o->name, "length") == 0) | |
2819 | length_p = 1; | |
2820 | else if (strcmp (o->name, "deletable") == 0 | |
2821 | || strcmp (o->name, "if_marked") == 0) | |
2822 | skip_p = 1; | |
2823 | ||
2824 | if (skip_p) | |
2825 | continue; | |
2826 | ||
2827 | for (fli = flp; fli; fli = fli->next) | |
2828 | if (fli->f == f) | |
2829 | break; | |
2830 | if (! fli->started_p) | |
2831 | { | |
2832 | fli->started_p = 1; | |
2833 | ||
e03856fe | 2834 | oprintf (f, "const struct ggc_root_tab gt_ggc_r_"); |
e2500fed | 2835 | put_mangled_filename (f, v->line.file); |
e03856fe | 2836 | oprintf (f, "[] = {\n"); |
e2500fed GK |
2837 | } |
2838 | ||
17211ab5 | 2839 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); |
e2500fed GK |
2840 | } |
2841 | ||
3d7aafde | 2842 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
2843 | "gt_ggc_rtab"); |
2844 | ||
2845 | for (v = variables; v; v = v->next) | |
2846 | { | |
e03856fe | 2847 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
2848 | struct flist *fli; |
2849 | int skip_p = 1; | |
2850 | options_p o; | |
2851 | ||
2852 | for (o = v->opt; o; o = o->next) | |
2853 | if (strcmp (o->name, "deletable") == 0) | |
2854 | skip_p = 0; | |
2855 | else if (strcmp (o->name, "if_marked") == 0) | |
2856 | skip_p = 1; | |
2857 | ||
2858 | if (skip_p) | |
2859 | continue; | |
2860 | ||
2861 | for (fli = flp; fli; fli = fli->next) | |
2862 | if (fli->f == f) | |
2863 | break; | |
2864 | if (! fli->started_p) | |
2865 | { | |
2866 | fli->started_p = 1; | |
2867 | ||
e03856fe | 2868 | oprintf (f, "const struct ggc_root_tab gt_ggc_rd_"); |
e2500fed | 2869 | put_mangled_filename (f, v->line.file); |
e03856fe | 2870 | oprintf (f, "[] = {\n"); |
e2500fed | 2871 | } |
3d7aafde | 2872 | |
17211ab5 | 2873 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
e2500fed GK |
2874 | v->name, v->name); |
2875 | } | |
3d7aafde | 2876 | |
17211ab5 | 2877 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
2878 | "gt_ggc_deletable_rtab"); |
2879 | ||
2880 | for (v = variables; v; v = v->next) | |
2881 | { | |
e03856fe | 2882 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
2883 | struct flist *fli; |
2884 | const char *if_marked = NULL; | |
2885 | int length_p = 0; | |
2886 | options_p o; | |
3d7aafde | 2887 | |
e2500fed GK |
2888 | for (o = v->opt; o; o = o->next) |
2889 | if (strcmp (o->name, "length") == 0) | |
2890 | length_p = 1; | |
2891 | else if (strcmp (o->name, "if_marked") == 0) | |
9e2878cf | 2892 | if_marked = o->info; |
e2500fed GK |
2893 | |
2894 | if (if_marked == NULL) | |
2895 | continue; | |
2896 | ||
2897 | if (v->type->kind != TYPE_POINTER | |
2898 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
2899 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
2900 | { | |
2901 | error_at_line (&v->line, "if_marked option used but not hash table"); | |
2902 | continue; | |
2903 | } | |
2904 | ||
2905 | for (fli = flp; fli; fli = fli->next) | |
2906 | if (fli->f == f) | |
2907 | break; | |
2908 | if (! fli->started_p) | |
2909 | { | |
2910 | fli->started_p = 1; | |
2911 | ||
e03856fe | 2912 | oprintf (f, "const struct ggc_cache_tab gt_ggc_rc_"); |
e2500fed | 2913 | put_mangled_filename (f, v->line.file); |
e03856fe | 2914 | oprintf (f, "[] = {\n"); |
e2500fed | 2915 | } |
3d7aafde | 2916 | |
17211ab5 | 2917 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
e2500fed GK |
2918 | v->name, length_p, &v->line, if_marked); |
2919 | } | |
3d7aafde | 2920 | |
17211ab5 | 2921 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
e2500fed | 2922 | "gt_ggc_cache_rtab"); |
17211ab5 GK |
2923 | |
2924 | for (v = variables; v; v = v->next) | |
2925 | { | |
2926 | outf_p f = get_output_file_with_visibility (v->line.file); | |
2927 | struct flist *fli; | |
2928 | int length_p = 0; | |
2929 | int if_marked_p = 0; | |
2930 | options_p o; | |
3d7aafde | 2931 | |
17211ab5 GK |
2932 | for (o = v->opt; o; o = o->next) |
2933 | if (strcmp (o->name, "length") == 0) | |
2934 | length_p = 1; | |
2935 | else if (strcmp (o->name, "if_marked") == 0) | |
2936 | if_marked_p = 1; | |
2937 | ||
2938 | if (! if_marked_p) | |
2939 | continue; | |
2940 | ||
2941 | for (fli = flp; fli; fli = fli->next) | |
2942 | if (fli->f == f) | |
2943 | break; | |
2944 | if (! fli->started_p) | |
2945 | { | |
2946 | fli->started_p = 1; | |
2947 | ||
2948 | oprintf (f, "const struct ggc_root_tab gt_pch_rc_"); | |
2949 | put_mangled_filename (f, v->line.file); | |
2950 | oprintf (f, "[] = {\n"); | |
2951 | } | |
2952 | ||
2953 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); | |
2954 | } | |
3d7aafde | 2955 | |
17211ab5 GK |
2956 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
2957 | "gt_pch_cache_rtab"); | |
2958 | ||
2959 | for (v = variables; v; v = v->next) | |
2960 | { | |
2961 | outf_p f = get_output_file_with_visibility (v->line.file); | |
2962 | struct flist *fli; | |
2963 | int skip_p = 0; | |
2964 | options_p o; | |
2965 | ||
2966 | for (o = v->opt; o; o = o->next) | |
2967 | if (strcmp (o->name, "deletable") == 0 | |
2968 | || strcmp (o->name, "if_marked") == 0) | |
2969 | skip_p = 1; | |
2970 | ||
2971 | if (skip_p) | |
2972 | continue; | |
2973 | ||
2974 | if (! contains_scalar_p (v->type)) | |
2975 | continue; | |
2976 | ||
2977 | for (fli = flp; fli; fli = fli->next) | |
2978 | if (fli->f == f) | |
2979 | break; | |
2980 | if (! fli->started_p) | |
2981 | { | |
2982 | fli->started_p = 1; | |
2983 | ||
2984 | oprintf (f, "const struct ggc_root_tab gt_pch_rs_"); | |
2985 | put_mangled_filename (f, v->line.file); | |
2986 | oprintf (f, "[] = {\n"); | |
2987 | } | |
3d7aafde | 2988 | |
17211ab5 GK |
2989 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
2990 | v->name, v->name); | |
2991 | } | |
3d7aafde | 2992 | |
17211ab5 GK |
2993 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
2994 | "gt_pch_scalar_rtab"); | |
e2500fed GK |
2995 | } |
2996 | ||
4a399aef ZW |
2997 | /* Record the definition of a generic VEC structure, as if we had expanded |
2998 | the macros in vec.h: | |
2999 | ||
3000 | typedef struct VEC_<type>_base GTY(()) { | |
3001 | unsigned num; | |
3002 | unsigned alloc; | |
3003 | <type> GTY((length ("%h.num"))) vec[1]; | |
3004 | } VEC_<type>_base | |
3005 | ||
3006 | where the GTY(()) tags are only present if is_scalar is _false_. */ | |
3007 | ||
3008 | void | |
3009 | note_def_vec (const char *typename, bool is_scalar, struct fileloc *pos) | |
3010 | { | |
3011 | pair_p f, fields; | |
3012 | type_p t; | |
3013 | options_p o; | |
3014 | const char *name = concat ("VEC_", typename, "_base", (char *)0); | |
3015 | ||
3016 | if (is_scalar) | |
3017 | { | |
3018 | t = create_scalar_type (typename, strlen (typename)); | |
3019 | o = 0; | |
3020 | } | |
3021 | else | |
3022 | { | |
3023 | t = resolve_typedef (typename, pos); | |
3024 | o = create_option (0, "length", "%h.num"); | |
3025 | } | |
3026 | ||
3027 | /* We assemble the field list in reverse order. */ | |
3028 | f = XNEW (struct pair); | |
3029 | f->type = adjust_field_type (create_array (t, "1"), o); | |
3030 | f->name = "vec"; | |
3031 | f->opt = o; | |
3032 | f->line = *pos; | |
3033 | f->next = 0; | |
3034 | fields = f; | |
3035 | ||
3036 | f = XNEW (struct pair); | |
3037 | f->type = adjust_field_type (create_scalar_type ("unsigned", 8), 0); | |
3038 | f->name = "alloc"; | |
3039 | f->opt = 0; | |
3040 | f->line = *pos; | |
3041 | f->next = fields; | |
3042 | fields = f; | |
3043 | ||
3044 | f = XNEW (struct pair); | |
3045 | f->type = adjust_field_type (create_scalar_type ("unsigned", 8), 0); | |
3046 | f->name = "num"; | |
3047 | f->opt = 0; | |
3048 | f->line = *pos; | |
3049 | f->next = fields; | |
3050 | fields = f; | |
3051 | ||
3052 | do_typedef (name, new_structure (name, 0, pos, fields, 0), pos); | |
3053 | } | |
3054 | ||
3055 | /* Record the definition of an allocation-specific VEC structure, as if | |
3056 | we had expanded the macros in vec.h: | |
3057 | ||
3058 | typedef struct VEC_<type>_<astrat> { | |
3059 | VEC_<type>_base base; | |
3060 | } VEC_<type>_<astrat>; | |
3061 | */ | |
3062 | void | |
3063 | note_def_vec_alloc (const char *type, const char *astrat, struct fileloc *pos) | |
3064 | { | |
3065 | const char *astratname = concat ("VEC_", type, "_", astrat, (char *)0); | |
3066 | const char *basename = concat ("VEC_", type, "_base", (char *)0); | |
3067 | ||
3068 | pair_p field = XNEW (struct pair); | |
3069 | field->name = "base"; | |
3070 | field->type = adjust_field_type (resolve_typedef (basename, pos), 0); | |
3071 | field->line = *pos; | |
3072 | field->next = 0; | |
3073 | ||
3074 | do_typedef (astratname, new_structure (astratname, 0, pos, field, 0), pos); | |
3075 | } | |
3076 | ||
e2500fed | 3077 | \f |
3d7aafde AJ |
3078 | extern int main (int argc, char **argv); |
3079 | int | |
62e5bf5d | 3080 | main (int ARG_UNUSED (argc), char ** ARG_UNUSED (argv)) |
e2500fed | 3081 | { |
8ac9d31f | 3082 | unsigned i; |
e2500fed | 3083 | static struct fileloc pos = { __FILE__, __LINE__ }; |
8ac9d31f | 3084 | unsigned j; |
3d7aafde | 3085 | |
36a5eadd GK |
3086 | gen_rtx_next (); |
3087 | ||
8ac9d31f | 3088 | srcdir_len = strlen (srcdir); |
e2500fed | 3089 | |
36a5eadd GK |
3090 | do_scalar_typedef ("CUMULATIVE_ARGS", &pos); |
3091 | do_scalar_typedef ("REAL_VALUE_TYPE", &pos); | |
f82783bd | 3092 | do_scalar_typedef ("double_int", &pos); |
36a5eadd GK |
3093 | do_scalar_typedef ("uint8", &pos); |
3094 | do_scalar_typedef ("jword", &pos); | |
3095 | do_scalar_typedef ("JCF_u2", &pos); | |
9506ac2b PB |
3096 | #ifdef USE_MAPPED_LOCATION |
3097 | do_scalar_typedef ("location_t", &pos); | |
3098 | do_scalar_typedef ("source_locus", &pos); | |
3099 | #endif | |
a813c111 SB |
3100 | do_scalar_typedef ("void", &pos); |
3101 | ||
3102 | do_typedef ("PTR", create_pointer (resolve_typedef ("void", &pos)), &pos); | |
36a5eadd | 3103 | |
ed8d2920 MM |
3104 | do_typedef ("HARD_REG_SET", create_array ( |
3105 | create_scalar_type ("unsigned long", strlen ("unsigned long")), | |
3106 | "2"), &pos); | |
3107 | ||
8ac9d31f TJ |
3108 | for (i = 0; i < NUM_GT_FILES; i++) |
3109 | { | |
3110 | int dupflag = 0; | |
3111 | /* Omit if already seen. */ | |
3112 | for (j = 0; j < i; j++) | |
3113 | { | |
3114 | if (!strcmp (all_files[i], all_files[j])) | |
3115 | { | |
3116 | dupflag = 1; | |
3117 | break; | |
3118 | } | |
3119 | } | |
3120 | if (!dupflag) | |
3121 | parse_file (all_files[i]); | |
9506ac2b PB |
3122 | #ifndef USE_MAPPED_LOCATION |
3123 | /* temporary kludge - gengtype doesn't handle conditionals. | |
471854f8 | 3124 | Manually add source_locus *after* we've processed input.h. */ |
9506ac2b PB |
3125 | if (i == 0) |
3126 | do_typedef ("source_locus", create_pointer (resolve_typedef ("location_t", &pos)), &pos); | |
3127 | #endif | |
8ac9d31f | 3128 | } |
e2500fed GK |
3129 | |
3130 | if (hit_error != 0) | |
3131 | exit (1); | |
3132 | ||
3133 | set_gc_used (variables); | |
3134 | ||
3135 | open_base_files (); | |
36a5eadd | 3136 | write_enum_defn (structures, param_structs); |
17211ab5 GK |
3137 | write_types (structures, param_structs, &ggc_wtd); |
3138 | write_types (structures, param_structs, &pch_wtd); | |
3139 | write_local (structures, param_structs); | |
3140 | write_roots (variables); | |
36a5eadd | 3141 | write_rtx_next (); |
e2500fed GK |
3142 | close_output_files (); |
3143 | ||
3144 | return (hit_error != 0); | |
3145 | } |