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1f3233d1 | 1 | /* Process source files and output type information. |
9a96a320 | 2 | Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
1f3233d1 | 3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 2, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GCC; see the file COPYING. If not, write to the Free | |
f5eaab73 | 18 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
19 | 02110-1301, USA. */ | |
1f3233d1 | 20 | |
805e22b2 | 21 | #include "bconfig.h" |
1f3233d1 | 22 | #include "system.h" |
805e22b2 | 23 | #include "coretypes.h" |
24 | #include "tm.h" | |
1f3233d1 | 25 | #include "gengtype.h" |
776c30b8 | 26 | #include "gtyp-gen.h" |
e0a4c0c2 | 27 | #include "errors.h" |
acfcaf8d | 28 | |
155e048d | 29 | /* Nonzero iff an error has occurred. */ |
1f3233d1 | 30 | static int hit_error = 0; |
155e048d | 31 | |
1a97be37 | 32 | static void gen_rtx_next (void); |
33 | static void write_rtx_next (void); | |
34 | static void open_base_files (void); | |
35 | static void close_output_files (void); | |
4b6ffd1b | 36 | |
155e048d | 37 | /* Report an error at POS, printing MSG. */ |
38 | ||
1f3233d1 | 39 | void |
ee582a61 | 40 | error_at_line (struct fileloc *pos, const char *msg, ...) |
1f3233d1 | 41 | { |
ee582a61 | 42 | va_list ap; |
1a97be37 | 43 | |
ee582a61 | 44 | va_start (ap, msg); |
1f3233d1 | 45 | |
46 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
47 | vfprintf (stderr, msg, ap); | |
48 | fputc ('\n', stderr); | |
49 | hit_error = 1; | |
50 | ||
ee582a61 | 51 | va_end (ap); |
1f3233d1 | 52 | } |
53 | ||
92570e7a | 54 | /* vasprintf, but produces fatal message on out-of-memory. */ |
55 | int | |
1a97be37 | 56 | xvasprintf (char **result, const char *format, va_list args) |
92570e7a | 57 | { |
58 | int ret = vasprintf (result, format, args); | |
59 | if (*result == NULL || ret < 0) | |
60 | { | |
61 | fputs ("gengtype: out of memory", stderr); | |
62 | xexit (1); | |
63 | } | |
64 | return ret; | |
65 | } | |
66 | ||
67 | /* Wrapper for xvasprintf. */ | |
68 | char * | |
ee582a61 | 69 | xasprintf (const char *format, ...) |
92570e7a | 70 | { |
71 | char *result; | |
ee582a61 | 72 | va_list ap; |
1a97be37 | 73 | |
ee582a61 | 74 | va_start (ap, format); |
92570e7a | 75 | xvasprintf (&result, format, ap); |
ee582a61 | 76 | va_end (ap); |
92570e7a | 77 | return result; |
78 | } | |
79 | ||
155e048d | 80 | /* The one and only TYPE_STRING. */ |
81 | ||
1f3233d1 | 82 | struct type string_type = { |
5ffca67a | 83 | TYPE_STRING, NULL, NULL, GC_USED, {0} |
1a97be37 | 84 | }; |
1f3233d1 | 85 | |
155e048d | 86 | /* Lists of various things. */ |
87 | ||
1f3233d1 | 88 | static pair_p typedefs; |
89 | static type_p structures; | |
90 | static type_p param_structs; | |
91 | static pair_p variables; | |
92 | ||
1a97be37 | 93 | static void do_scalar_typedef (const char *, struct fileloc *); |
94 | static type_p find_param_structure | |
95 | (type_p t, type_p param[NUM_PARAM]); | |
96 | static type_p adjust_field_tree_exp (type_p t, options_p opt); | |
97 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
c849df63 | 98 | |
155e048d | 99 | /* Define S as a typedef to T at POS. */ |
100 | ||
1f3233d1 | 101 | void |
1a97be37 | 102 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
1f3233d1 | 103 | { |
104 | pair_p p; | |
105 | ||
106 | for (p = typedefs; p != NULL; p = p->next) | |
107 | if (strcmp (p->name, s) == 0) | |
108 | { | |
109 | if (p->type != t) | |
110 | { | |
111 | error_at_line (pos, "type `%s' previously defined", s); | |
112 | error_at_line (&p->line, "previously defined here"); | |
113 | } | |
114 | return; | |
115 | } | |
116 | ||
9318f22c | 117 | p = XNEW (struct pair); |
1f3233d1 | 118 | p->next = typedefs; |
119 | p->name = s; | |
120 | p->type = t; | |
121 | p->line = *pos; | |
122 | typedefs = p; | |
123 | } | |
124 | ||
c849df63 | 125 | /* Define S as a typename of a scalar. */ |
126 | ||
127 | static void | |
1a97be37 | 128 | do_scalar_typedef (const char *s, struct fileloc *pos) |
c849df63 | 129 | { |
130 | do_typedef (s, create_scalar_type (s, strlen (s)), pos); | |
131 | } | |
132 | ||
102502d4 | 133 | /* Return the type previously defined for S. Use POS to report errors. */ |
155e048d | 134 | |
1f3233d1 | 135 | type_p |
1a97be37 | 136 | resolve_typedef (const char *s, struct fileloc *pos) |
1f3233d1 | 137 | { |
138 | pair_p p; | |
139 | for (p = typedefs; p != NULL; p = p->next) | |
140 | if (strcmp (p->name, s) == 0) | |
141 | return p->type; | |
142 | error_at_line (pos, "unidentified type `%s'", s); | |
143 | return create_scalar_type ("char", 4); | |
144 | } | |
145 | ||
0cee3d8a | 146 | /* Create and return a new structure with tag NAME (or a union iff |
147 | ISUNION is nonzero), at POS with fields FIELDS and options O. */ | |
155e048d | 148 | |
0cee3d8a | 149 | type_p |
1a97be37 | 150 | new_structure (const char *name, int isunion, struct fileloc *pos, |
151 | pair_p fields, options_p o) | |
1f3233d1 | 152 | { |
153 | type_p si; | |
154 | type_p s = NULL; | |
155 | lang_bitmap bitmap = get_base_file_bitmap (pos->file); | |
156 | ||
157 | for (si = structures; si != NULL; si = si->next) | |
1a97be37 | 158 | if (strcmp (name, si->u.s.tag) == 0 |
1f3233d1 | 159 | && UNION_P (si) == isunion) |
160 | { | |
161 | type_p ls = NULL; | |
162 | if (si->kind == TYPE_LANG_STRUCT) | |
163 | { | |
164 | ls = si; | |
1a97be37 | 165 | |
1f3233d1 | 166 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
167 | if (si->u.s.bitmap == bitmap) | |
168 | s = si; | |
169 | } | |
170 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
171 | { | |
172 | ls = si; | |
9318f22c | 173 | si = XCNEW (struct type); |
1f3233d1 | 174 | memcpy (si, ls, sizeof (struct type)); |
175 | ls->kind = TYPE_LANG_STRUCT; | |
176 | ls->u.s.lang_struct = si; | |
177 | ls->u.s.fields = NULL; | |
178 | si->next = NULL; | |
179 | si->pointer_to = NULL; | |
180 | si->u.s.lang_struct = ls; | |
181 | } | |
182 | else | |
183 | s = si; | |
184 | ||
185 | if (ls != NULL && s == NULL) | |
186 | { | |
9318f22c | 187 | s = XCNEW (struct type); |
1f3233d1 | 188 | s->next = ls->u.s.lang_struct; |
189 | ls->u.s.lang_struct = s; | |
190 | s->u.s.lang_struct = ls; | |
191 | } | |
192 | break; | |
193 | } | |
1a97be37 | 194 | |
1f3233d1 | 195 | if (s == NULL) |
196 | { | |
9318f22c | 197 | s = XCNEW (struct type); |
1f3233d1 | 198 | s->next = structures; |
199 | structures = s; | |
200 | } | |
201 | ||
202 | if (s->u.s.line.file != NULL | |
203 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
204 | { | |
205 | error_at_line (pos, "duplicate structure definition"); | |
206 | error_at_line (&s->u.s.line, "previous definition here"); | |
207 | } | |
208 | ||
209 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
210 | s->u.s.tag = name; | |
211 | s->u.s.line = *pos; | |
212 | s->u.s.fields = fields; | |
213 | s->u.s.opt = o; | |
214 | s->u.s.bitmap = bitmap; | |
215 | if (s->u.s.lang_struct) | |
216 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
0cee3d8a | 217 | |
218 | return s; | |
1f3233d1 | 219 | } |
220 | ||
155e048d | 221 | /* Return the previously-defined structure with tag NAME (or a union |
222 | iff ISUNION is nonzero), or a new empty structure or union if none | |
223 | was defined previously. */ | |
224 | ||
1f3233d1 | 225 | type_p |
1a97be37 | 226 | find_structure (const char *name, int isunion) |
1f3233d1 | 227 | { |
228 | type_p s; | |
229 | ||
230 | for (s = structures; s != NULL; s = s->next) | |
1a97be37 | 231 | if (strcmp (name, s->u.s.tag) == 0 |
1f3233d1 | 232 | && UNION_P (s) == isunion) |
233 | return s; | |
234 | ||
9318f22c | 235 | s = XCNEW (struct type); |
1f3233d1 | 236 | s->next = structures; |
237 | structures = s; | |
238 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
239 | s->u.s.tag = name; | |
240 | structures = s; | |
241 | return s; | |
242 | } | |
243 | ||
a8b24921 | 244 | /* Return the previously-defined parameterized structure for structure |
245 | T and parameters PARAM, or a new parameterized empty structure or | |
9cb8e99f | 246 | union if none was defined previously. */ |
c849df63 | 247 | |
248 | static type_p | |
1a97be37 | 249 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
c849df63 | 250 | { |
251 | type_p res; | |
1a97be37 | 252 | |
c849df63 | 253 | for (res = param_structs; res; res = res->next) |
254 | if (res->u.param_struct.stru == t | |
1a97be37 | 255 | && memcmp (res->u.param_struct.param, param, |
c849df63 | 256 | sizeof (type_p) * NUM_PARAM) == 0) |
257 | break; | |
258 | if (res == NULL) | |
259 | { | |
9318f22c | 260 | res = XCNEW (struct type); |
c849df63 | 261 | res->kind = TYPE_PARAM_STRUCT; |
262 | res->next = param_structs; | |
263 | param_structs = res; | |
264 | res->u.param_struct.stru = t; | |
265 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
266 | } | |
267 | return res; | |
268 | } | |
269 | ||
155e048d | 270 | /* Return a scalar type with name NAME. */ |
271 | ||
1f3233d1 | 272 | type_p |
1a97be37 | 273 | create_scalar_type (const char *name, size_t name_len) |
1f3233d1 | 274 | { |
9318f22c | 275 | type_p r = XCNEW (struct type); |
1f3233d1 | 276 | r->kind = TYPE_SCALAR; |
9318f22c | 277 | r->u.sc = (char *) xmemdup (name, name_len, name_len + 1); |
1f3233d1 | 278 | return r; |
279 | } | |
280 | ||
155e048d | 281 | /* Return a pointer to T. */ |
282 | ||
1f3233d1 | 283 | type_p |
1a97be37 | 284 | create_pointer (type_p t) |
1f3233d1 | 285 | { |
286 | if (! t->pointer_to) | |
287 | { | |
9318f22c | 288 | type_p r = XCNEW (struct type); |
1f3233d1 | 289 | r->kind = TYPE_POINTER; |
290 | r->u.p = t; | |
291 | t->pointer_to = r; | |
292 | } | |
293 | return t->pointer_to; | |
294 | } | |
295 | ||
155e048d | 296 | /* Return an array of length LEN. */ |
297 | ||
1f3233d1 | 298 | type_p |
1a97be37 | 299 | create_array (type_p t, const char *len) |
1f3233d1 | 300 | { |
301 | type_p v; | |
1a97be37 | 302 | |
9318f22c | 303 | v = XCNEW (struct type); |
1f3233d1 | 304 | v->kind = TYPE_ARRAY; |
305 | v->u.a.p = t; | |
306 | v->u.a.len = len; | |
307 | return v; | |
308 | } | |
309 | ||
0cee3d8a | 310 | /* Return an options structure with name NAME and info INFO. NEXT is the |
311 | next option in the chain. */ | |
312 | ||
7035b2ab | 313 | options_p |
0cee3d8a | 314 | create_option (options_p next, const char *name, const void *info) |
7035b2ab | 315 | { |
9318f22c | 316 | options_p o = XNEW (struct options); |
0cee3d8a | 317 | o->next = next; |
7035b2ab | 318 | o->name = name; |
a070a3bd | 319 | o->info = (const char*) info; |
7035b2ab | 320 | return o; |
321 | } | |
322 | ||
c849df63 | 323 | /* Add a variable named S of type T with options O defined at POS, |
324 | to `variables'. */ | |
325 | ||
326 | void | |
1a97be37 | 327 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
c849df63 | 328 | { |
329 | pair_p n; | |
9318f22c | 330 | n = XNEW (struct pair); |
c849df63 | 331 | n->name = s; |
332 | n->type = t; | |
333 | n->line = *pos; | |
334 | n->opt = o; | |
335 | n->next = variables; | |
336 | variables = n; | |
337 | } | |
338 | ||
0cee3d8a | 339 | /* Create a fake field with the given type and name. NEXT is the next |
340 | field in the chain. */ | |
341 | ||
342 | static pair_p | |
343 | create_field (pair_p next, type_p type, const char *name) | |
344 | { | |
345 | pair_p field; | |
346 | ||
347 | field = XNEW (struct pair); | |
348 | field->next = next; | |
349 | field->type = type; | |
350 | field->name = name; | |
351 | field->opt = NULL; | |
352 | field->line.file = __FILE__; | |
353 | field->line.line = __LINE__; | |
354 | return field; | |
355 | } | |
356 | ||
f2d0e9f1 | 357 | /* Like create_field, but the field is only valid when condition COND |
358 | is true. */ | |
359 | ||
360 | static pair_p | |
361 | create_optional_field (pair_p next, type_p type, const char *name, | |
362 | const char *cond) | |
363 | { | |
364 | static int id = 1; | |
365 | pair_p union_fields, field; | |
366 | type_p union_type; | |
367 | ||
368 | /* Create a fake union type with a single nameless field of type TYPE. | |
369 | The field has a tag of "1". This allows us to make the presence | |
370 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
371 | union_fields = create_field (NULL, type, ""); | |
372 | union_fields->opt = create_option (union_fields->opt, "dot", ""); | |
373 | union_fields->opt = create_option (union_fields->opt, "tag", "1"); | |
374 | union_type = new_structure (xasprintf ("%s_%d", "fake_union", id++), 1, | |
375 | &lexer_line, union_fields, NULL); | |
376 | ||
377 | /* Create the field and give it the new fake union type. Add a "desc" | |
378 | tag that specifies the condition under which the field is valid. */ | |
379 | field = create_field (next, union_type, name); | |
380 | field->opt = create_option (field->opt, "desc", cond); | |
381 | return field; | |
382 | } | |
383 | ||
12d4f380 | 384 | /* We don't care how long a CONST_DOUBLE is. */ |
c849df63 | 385 | #define CONST_DOUBLE_FORMAT "ww" |
12d4f380 | 386 | /* We don't want to see codes that are only for generator files. */ |
387 | #undef GENERATOR_FILE | |
388 | ||
389 | enum rtx_code { | |
390 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , | |
391 | #include "rtl.def" | |
392 | #undef DEF_RTL_EXPR | |
393 | NUM_RTX_CODE | |
394 | }; | |
395 | ||
396 | static const char * const rtx_name[NUM_RTX_CODE] = { | |
397 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , | |
398 | #include "rtl.def" | |
399 | #undef DEF_RTL_EXPR | |
400 | }; | |
401 | ||
402 | static const char * const rtx_format[NUM_RTX_CODE] = { | |
c849df63 | 403 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
404 | #include "rtl.def" | |
405 | #undef DEF_RTL_EXPR | |
406 | }; | |
407 | ||
acfcaf8d | 408 | static int rtx_next_new[NUM_RTX_CODE]; |
c849df63 | 409 | |
12d4f380 | 410 | /* We also need codes and names for insn notes (not register notes). |
411 | Note that we do *not* bias the note values here. */ | |
412 | enum insn_note { | |
413 | #define DEF_INSN_NOTE(NAME) NAME, | |
414 | #include "insn-notes.def" | |
415 | #undef DEF_INSN_NOTE | |
416 | ||
417 | NOTE_INSN_MAX | |
418 | }; | |
419 | ||
ab6994d2 | 420 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
421 | default field for line number notes. */ | |
422 | static const char *const note_insn_name[NOTE_INSN_MAX+1] = { | |
12d4f380 | 423 | #define DEF_INSN_NOTE(NAME) #NAME, |
424 | #include "insn-notes.def" | |
425 | #undef DEF_INSN_NOTE | |
426 | }; | |
427 | ||
428 | #undef CONST_DOUBLE_FORMAT | |
429 | #define GENERATOR_FILE | |
430 | ||
c849df63 | 431 | /* Generate the contents of the rtx_next array. This really doesn't belong |
432 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
433 | ||
434 | static void | |
1a97be37 | 435 | gen_rtx_next (void) |
c849df63 | 436 | { |
437 | int i; | |
438 | for (i = 0; i < NUM_RTX_CODE; i++) | |
439 | { | |
440 | int k; | |
1a97be37 | 441 | |
acfcaf8d | 442 | rtx_next_new[i] = -1; |
c849df63 | 443 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
acfcaf8d | 444 | rtx_next_new[i] = 2; |
c849df63 | 445 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
acfcaf8d | 446 | rtx_next_new[i] = 1; |
1a97be37 | 447 | else |
c849df63 | 448 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
449 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
acfcaf8d | 450 | rtx_next_new[i] = k; |
c849df63 | 451 | } |
452 | } | |
453 | ||
454 | /* Write out the contents of the rtx_next array. */ | |
455 | static void | |
1a97be37 | 456 | write_rtx_next (void) |
c849df63 | 457 | { |
458 | outf_p f = get_output_file_with_visibility (NULL); | |
459 | int i; | |
1a97be37 | 460 | |
c849df63 | 461 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
462 | oprintf (f, "const unsigned char rtx_next[NUM_RTX_CODE] = {\n"); | |
463 | for (i = 0; i < NUM_RTX_CODE; i++) | |
acfcaf8d | 464 | if (rtx_next_new[i] == -1) |
c849df63 | 465 | oprintf (f, " 0,\n"); |
466 | else | |
1a97be37 | 467 | oprintf (f, |
bf6b5685 | 468 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", |
acfcaf8d | 469 | rtx_next_new[i]); |
c849df63 | 470 | oprintf (f, "};\n"); |
471 | } | |
472 | ||
473 | /* Handle `special("rtx_def")'. This is a special case for field | |
474 | `fld' of struct rtx_def, which is an array of unions whose values | |
475 | are based in a complex way on the type of RTL. */ | |
476 | ||
477 | static type_p | |
9a03a746 | 478 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
c849df63 | 479 | { |
480 | pair_p flds = NULL; | |
481 | options_p nodot; | |
482 | int i; | |
483 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
7c266bb1 | 484 | type_p bitmap_tp, basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
c849df63 | 485 | |
bf6b5685 | 486 | if (t->kind != TYPE_UNION) |
c849df63 | 487 | { |
1a97be37 | 488 | error_at_line (&lexer_line, |
bf6b5685 | 489 | "special `rtx_def' must be applied to a union"); |
c849df63 | 490 | return &string_type; |
491 | } | |
1a97be37 | 492 | |
0cee3d8a | 493 | nodot = create_option (NULL, "dot", ""); |
c849df63 | 494 | |
495 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
496 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
497 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
498 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
ca74b940 | 499 | reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0)); |
c849df63 | 500 | bitmap_tp = create_pointer (find_structure ("bitmap_element_def", 0)); |
501 | basic_block_tp = create_pointer (find_structure ("basic_block_def", 0)); | |
7c266bb1 | 502 | constant_tp = create_pointer (find_structure ("constant_descriptor_rtx", 0)); |
c849df63 | 503 | scalar_tp = create_scalar_type ("rtunion scalar", 14); |
504 | ||
505 | { | |
506 | pair_p note_flds = NULL; | |
507 | int c; | |
acfcaf8d | 508 | |
12d4f380 | 509 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
c849df63 | 510 | { |
acfcaf8d | 511 | switch (c) |
512 | { | |
acfcaf8d | 513 | case NOTE_INSN_MAX: |
0cee3d8a | 514 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
acfcaf8d | 515 | break; |
516 | ||
517 | case NOTE_INSN_BLOCK_BEG: | |
518 | case NOTE_INSN_BLOCK_END: | |
0cee3d8a | 519 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
acfcaf8d | 520 | break; |
1a97be37 | 521 | |
5923a5e7 | 522 | case NOTE_INSN_VAR_LOCATION: |
0cee3d8a | 523 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
acfcaf8d | 524 | break; |
525 | ||
526 | default: | |
0cee3d8a | 527 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
acfcaf8d | 528 | break; |
529 | } | |
0cee3d8a | 530 | /* NOTE_INSN_MAX is used as the default field for line |
531 | number notes. */ | |
532 | if (c == NOTE_INSN_MAX) | |
533 | note_flds->opt = create_option (nodot, "default", ""); | |
534 | else | |
535 | note_flds->opt = create_option (nodot, "tag", note_insn_name[c]); | |
c849df63 | 536 | } |
0cee3d8a | 537 | note_union_tp = new_structure ("rtx_def_note_subunion", 1, |
538 | &lexer_line, note_flds, NULL); | |
c849df63 | 539 | } |
7c266bb1 | 540 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
541 | { | |
542 | pair_p sym_flds; | |
543 | ||
544 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); | |
545 | sym_flds->opt = create_option (nodot, "default", ""); | |
546 | ||
547 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); | |
548 | sym_flds->opt = create_option (nodot, "tag", "1"); | |
549 | ||
550 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1, | |
551 | &lexer_line, sym_flds, NULL); | |
552 | } | |
c849df63 | 553 | for (i = 0; i < NUM_RTX_CODE; i++) |
554 | { | |
c849df63 | 555 | pair_p subfields = NULL; |
556 | size_t aindex, nmindex; | |
557 | const char *sname; | |
0cee3d8a | 558 | type_p substruct; |
c849df63 | 559 | char *ftag; |
560 | ||
561 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
562 | { | |
c849df63 | 563 | type_p t; |
564 | const char *subname; | |
565 | ||
566 | switch (rtx_format[i][aindex]) | |
567 | { | |
568 | case '*': | |
569 | case 'i': | |
570 | case 'n': | |
571 | case 'w': | |
572 | t = scalar_tp; | |
993d9e55 | 573 | subname = "rt_int"; |
c849df63 | 574 | break; |
575 | ||
576 | case '0': | |
577 | if (i == MEM && aindex == 1) | |
993d9e55 | 578 | t = mem_attrs_tp, subname = "rt_mem"; |
c849df63 | 579 | else if (i == JUMP_INSN && aindex == 9) |
993d9e55 | 580 | t = rtx_tp, subname = "rt_rtx"; |
c849df63 | 581 | else if (i == CODE_LABEL && aindex == 4) |
993d9e55 | 582 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 583 | else if (i == CODE_LABEL && aindex == 5) |
993d9e55 | 584 | t = rtx_tp, subname = "rt_rtx"; |
c849df63 | 585 | else if (i == LABEL_REF |
586 | && (aindex == 1 || aindex == 2)) | |
993d9e55 | 587 | t = rtx_tp, subname = "rt_rtx"; |
c849df63 | 588 | else if (i == NOTE && aindex == 4) |
589 | t = note_union_tp, subname = ""; | |
590 | else if (i == NOTE && aindex >= 7) | |
993d9e55 | 591 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 592 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
993d9e55 | 593 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 594 | else if (i == VALUE && aindex == 0) |
993d9e55 | 595 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 596 | else if (i == REG && aindex == 1) |
993d9e55 | 597 | t = scalar_tp, subname = "rt_int"; |
ca74b940 | 598 | else if (i == REG && aindex == 2) |
993d9e55 | 599 | t = reg_attrs_tp, subname = "rt_reg"; |
c849df63 | 600 | else if (i == SCRATCH && aindex == 0) |
993d9e55 | 601 | t = scalar_tp, subname = "rt_int"; |
001be062 | 602 | else if (i == SYMBOL_REF && aindex == 1) |
993d9e55 | 603 | t = scalar_tp, subname = "rt_int"; |
001be062 | 604 | else if (i == SYMBOL_REF && aindex == 2) |
7c266bb1 | 605 | t = symbol_union_tp, subname = ""; |
c849df63 | 606 | else if (i == BARRIER && aindex >= 3) |
993d9e55 | 607 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 608 | else |
609 | { | |
1a97be37 | 610 | error_at_line (&lexer_line, |
e72117bc | 611 | "rtx type `%s' has `0' in position %lu, can't handle", |
612 | rtx_name[i], (unsigned long) aindex); | |
c849df63 | 613 | t = &string_type; |
993d9e55 | 614 | subname = "rt_int"; |
c849df63 | 615 | } |
616 | break; | |
1a97be37 | 617 | |
c849df63 | 618 | case 's': |
619 | case 'S': | |
620 | case 'T': | |
621 | t = &string_type; | |
993d9e55 | 622 | subname = "rt_str"; |
c849df63 | 623 | break; |
624 | ||
625 | case 'e': | |
626 | case 'u': | |
627 | t = rtx_tp; | |
993d9e55 | 628 | subname = "rt_rtx"; |
c849df63 | 629 | break; |
630 | ||
631 | case 'E': | |
632 | case 'V': | |
633 | t = rtvec_tp; | |
993d9e55 | 634 | subname = "rt_rtvec"; |
c849df63 | 635 | break; |
636 | ||
637 | case 't': | |
638 | t = tree_tp; | |
993d9e55 | 639 | subname = "rt_tree"; |
c849df63 | 640 | break; |
641 | ||
642 | case 'b': | |
643 | t = bitmap_tp; | |
993d9e55 | 644 | subname = "rt_bit"; |
c849df63 | 645 | break; |
646 | ||
647 | case 'B': | |
648 | t = basic_block_tp; | |
993d9e55 | 649 | subname = "rt_bb"; |
c849df63 | 650 | break; |
651 | ||
652 | default: | |
1a97be37 | 653 | error_at_line (&lexer_line, |
e72117bc | 654 | "rtx type `%s' has `%c' in position %lu, can't handle", |
c849df63 | 655 | rtx_name[i], rtx_format[i][aindex], |
e72117bc | 656 | (unsigned long)aindex); |
c849df63 | 657 | t = &string_type; |
993d9e55 | 658 | subname = "rt_int"; |
c849df63 | 659 | break; |
660 | } | |
661 | ||
0cee3d8a | 662 | subfields = create_field (subfields, t, |
663 | xasprintf (".fld[%lu].%s", | |
664 | (unsigned long) aindex, | |
665 | subname)); | |
666 | subfields->opt = nodot; | |
c849df63 | 667 | if (t == note_union_tp) |
0cee3d8a | 668 | subfields->opt = create_option (subfields->opt, "desc", |
669 | "NOTE_LINE_NUMBER (&%0)"); | |
7c266bb1 | 670 | if (t == symbol_union_tp) |
671 | subfields->opt = create_option (subfields->opt, "desc", | |
672 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
c849df63 | 673 | } |
674 | ||
f2d0e9f1 | 675 | if (i == SYMBOL_REF) |
676 | { | |
6617cbc1 | 677 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P holds. */ |
f2d0e9f1 | 678 | type_p field_tp = find_structure ("block_symbol", 0); |
6617cbc1 | 679 | subfields |
680 | = create_optional_field (subfields, field_tp, "block_sym", | |
681 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
f2d0e9f1 | 682 | } |
683 | ||
c849df63 | 684 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0cee3d8a | 685 | substruct = new_structure (sname, 0, &lexer_line, subfields, NULL); |
686 | ||
c849df63 | 687 | ftag = xstrdup (rtx_name[i]); |
688 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
689 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0cee3d8a | 690 | |
691 | flds = create_field (flds, substruct, ""); | |
692 | flds->opt = create_option (nodot, "tag", ftag); | |
c849df63 | 693 | } |
694 | ||
0cee3d8a | 695 | return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); |
c849df63 | 696 | } |
697 | ||
698 | /* Handle `special("tree_exp")'. This is a special case for | |
699 | field `operands' of struct tree_exp, which although it claims to contain | |
1a97be37 | 700 | pointers to trees, actually sometimes contains pointers to RTL too. |
c849df63 | 701 | Passed T, the old type of the field, and OPT its options. Returns |
702 | a new type for the field. */ | |
703 | ||
704 | static type_p | |
1a97be37 | 705 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
c849df63 | 706 | { |
707 | pair_p flds; | |
708 | options_p nodot; | |
1a97be37 | 709 | |
c849df63 | 710 | if (t->kind != TYPE_ARRAY) |
711 | { | |
1a97be37 | 712 | error_at_line (&lexer_line, |
c849df63 | 713 | "special `tree_exp' must be applied to an array"); |
714 | return &string_type; | |
715 | } | |
1a97be37 | 716 | |
0cee3d8a | 717 | nodot = create_option (NULL, "dot", ""); |
718 | ||
719 | flds = create_field (NULL, t, ""); | |
720 | flds->opt = create_option (nodot, "length", | |
721 | "TREE_CODE_LENGTH (TREE_CODE ((tree) &%0))"); | |
722 | flds->opt = create_option (flds->opt, "default", ""); | |
1a97be37 | 723 | |
0cee3d8a | 724 | return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
c849df63 | 725 | } |
726 | ||
155e048d | 727 | /* Perform any special processing on a type T, about to become the type |
728 | of a field. Return the appropriate type for the field. | |
729 | At present: | |
730 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
731 | - Similarly for arrays of pointer-to-char; | |
732 | - Converts structures for which a parameter is provided to | |
c849df63 | 733 | TYPE_PARAM_STRUCT; |
734 | - Handles "special" options. | |
1a97be37 | 735 | */ |
155e048d | 736 | |
1f3233d1 | 737 | type_p |
1a97be37 | 738 | adjust_field_type (type_p t, options_p opt) |
1f3233d1 | 739 | { |
740 | int length_p = 0; | |
741 | const int pointer_p = t->kind == TYPE_POINTER; | |
c849df63 | 742 | type_p params[NUM_PARAM]; |
743 | int params_p = 0; | |
744 | int i; | |
745 | ||
746 | for (i = 0; i < NUM_PARAM; i++) | |
747 | params[i] = NULL; | |
1a97be37 | 748 | |
1f3233d1 | 749 | for (; opt; opt = opt->next) |
750 | if (strcmp (opt->name, "length") == 0) | |
751 | length_p = 1; | |
c849df63 | 752 | else if (strcmp (opt->name, "param_is") == 0 |
753 | || (strncmp (opt->name, "param", 5) == 0 | |
754 | && ISDIGIT (opt->name[5]) | |
755 | && strcmp (opt->name + 6, "_is") == 0)) | |
1f3233d1 | 756 | { |
c849df63 | 757 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
1f3233d1 | 758 | |
c849df63 | 759 | if (! UNION_OR_STRUCT_P (t) |
760 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) | |
761 | { | |
1a97be37 | 762 | error_at_line (&lexer_line, |
c849df63 | 763 | "option `%s' may only be applied to structures or structure pointers", |
764 | opt->name); | |
765 | return t; | |
766 | } | |
767 | ||
768 | params_p = 1; | |
769 | if (params[num] != NULL) | |
770 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
771 | if (! ISDIGIT (opt->name[5])) | |
772 | params[num] = create_pointer ((type_p) opt->info); | |
773 | else | |
774 | params[num] = (type_p) opt->info; | |
1f3233d1 | 775 | } |
c849df63 | 776 | else if (strcmp (opt->name, "special") == 0) |
777 | { | |
a070a3bd | 778 | const char *special_name = opt->info; |
c849df63 | 779 | if (strcmp (special_name, "tree_exp") == 0) |
780 | t = adjust_field_tree_exp (t, opt); | |
781 | else if (strcmp (special_name, "rtx_def") == 0) | |
782 | t = adjust_field_rtx_def (t, opt); | |
783 | else | |
784 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
785 | } | |
786 | ||
787 | if (params_p) | |
788 | { | |
789 | type_p realt; | |
1a97be37 | 790 | |
c849df63 | 791 | if (pointer_p) |
792 | t = t->u.p; | |
793 | realt = find_param_structure (t, params); | |
794 | t = pointer_p ? create_pointer (realt) : realt; | |
795 | } | |
796 | ||
1f3233d1 | 797 | if (! length_p |
798 | && pointer_p | |
799 | && t->u.p->kind == TYPE_SCALAR | |
800 | && (strcmp (t->u.p->u.sc, "char") == 0 | |
801 | || strcmp (t->u.p->u.sc, "unsigned char") == 0)) | |
802 | return &string_type; | |
803 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
804 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
805 | && (strcmp (t->u.a.p->u.p->u.sc, "char") == 0 | |
806 | || strcmp (t->u.a.p->u.p->u.sc, "unsigned char") == 0)) | |
807 | return create_array (&string_type, t->u.a.len); | |
808 | ||
809 | return t; | |
810 | } | |
811 | ||
155e048d | 812 | /* Create a union for YYSTYPE, as yacc would do it, given a fieldlist FIELDS |
98667efb | 813 | and information about the correspondence between token types and fields |
155e048d | 814 | in TYPEINFO. POS is used for error messages. */ |
815 | ||
1f3233d1 | 816 | void |
1a97be37 | 817 | note_yacc_type (options_p o, pair_p fields, pair_p typeinfo, |
818 | struct fileloc *pos) | |
1f3233d1 | 819 | { |
820 | pair_p p; | |
821 | pair_p *p_p; | |
1a97be37 | 822 | |
1f3233d1 | 823 | for (p = typeinfo; p; p = p->next) |
824 | { | |
825 | pair_p m; | |
1a97be37 | 826 | |
1f3233d1 | 827 | if (p->name == NULL) |
828 | continue; | |
829 | ||
830 | if (p->type == (type_p) 1) | |
831 | { | |
832 | pair_p pp; | |
833 | int ok = 0; | |
1a97be37 | 834 | |
1f3233d1 | 835 | for (pp = typeinfo; pp; pp = pp->next) |
836 | if (pp->type != (type_p) 1 | |
837 | && strcmp (pp->opt->info, p->opt->info) == 0) | |
838 | { | |
839 | ok = 1; | |
840 | break; | |
841 | } | |
842 | if (! ok) | |
843 | continue; | |
844 | } | |
845 | ||
846 | for (m = fields; m; m = m->next) | |
847 | if (strcmp (m->name, p->name) == 0) | |
848 | p->type = m->type; | |
849 | if (p->type == NULL) | |
850 | { | |
1a97be37 | 851 | error_at_line (&p->line, |
1f3233d1 | 852 | "couldn't match fieldname `%s'", p->name); |
853 | p->name = NULL; | |
854 | } | |
855 | } | |
1a97be37 | 856 | |
1f3233d1 | 857 | p_p = &typeinfo; |
858 | while (*p_p) | |
859 | { | |
860 | pair_p p = *p_p; | |
861 | ||
862 | if (p->name == NULL | |
863 | || p->type == (type_p) 1) | |
864 | *p_p = p->next; | |
865 | else | |
866 | p_p = &p->next; | |
867 | } | |
868 | ||
0cee3d8a | 869 | do_typedef ("YYSTYPE", new_structure ("yy_union", 1, pos, typeinfo, o), pos); |
1f3233d1 | 870 | } |
871 | \f | |
1a97be37 | 872 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
873 | static void set_gc_used (pair_p); | |
1f3233d1 | 874 | |
155e048d | 875 | /* Handle OPT for set_gc_used_type. */ |
876 | ||
1f3233d1 | 877 | static void |
1a97be37 | 878 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
f6680037 | 879 | int *pass_param, int *length, int *skip, type_p *nested_ptr) |
1f3233d1 | 880 | { |
881 | options_p o; | |
882 | for (o = opt; o; o = o->next) | |
883 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
c849df63 | 884 | set_gc_used_type ((type_p) o->info, GC_POINTED_TO, NULL); |
1f3233d1 | 885 | else if (strcmp (o->name, "maybe_undef") == 0) |
886 | *maybe_undef = 1; | |
c849df63 | 887 | else if (strcmp (o->name, "use_params") == 0) |
888 | *pass_param = 1; | |
889 | else if (strcmp (o->name, "length") == 0) | |
890 | *length = 1; | |
f6680037 | 891 | else if (strcmp (o->name, "skip") == 0) |
892 | *skip = 1; | |
c39ed964 | 893 | else if (strcmp (o->name, "nested_ptr") == 0) |
894 | *nested_ptr = ((const struct nested_ptr_data *) o->info)->type; | |
1f3233d1 | 895 | } |
896 | ||
155e048d | 897 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
898 | ||
1f3233d1 | 899 | static void |
1a97be37 | 900 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
1f3233d1 | 901 | { |
902 | if (t->gc_used >= level) | |
903 | return; | |
1a97be37 | 904 | |
1f3233d1 | 905 | t->gc_used = level; |
906 | ||
907 | switch (t->kind) | |
908 | { | |
909 | case TYPE_STRUCT: | |
910 | case TYPE_UNION: | |
911 | { | |
912 | pair_p f; | |
913 | int dummy; | |
c39ed964 | 914 | type_p dummy2; |
1f3233d1 | 915 | |
f6680037 | 916 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
c39ed964 | 917 | &dummy2); |
1f3233d1 | 918 | |
919 | for (f = t->u.s.fields; f; f = f->next) | |
920 | { | |
921 | int maybe_undef = 0; | |
c849df63 | 922 | int pass_param = 0; |
923 | int length = 0; | |
f6680037 | 924 | int skip = 0; |
c39ed964 | 925 | type_p nested_ptr = NULL; |
c849df63 | 926 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
f6680037 | 927 | &length, &skip, &nested_ptr); |
1a97be37 | 928 | |
c39ed964 | 929 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
930 | set_gc_used_type (nested_ptr, GC_POINTED_TO, | |
931 | pass_param ? param : NULL); | |
932 | else if (length && f->type->kind == TYPE_POINTER) | |
c849df63 | 933 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
934 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
935 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
936 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
937 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
938 | GC_POINTED_TO, NULL); | |
f6680037 | 939 | else if (skip) |
940 | ; /* target type is not used through this field */ | |
1f3233d1 | 941 | else |
c849df63 | 942 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
1f3233d1 | 943 | } |
944 | break; | |
945 | } | |
946 | ||
947 | case TYPE_POINTER: | |
c849df63 | 948 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
1f3233d1 | 949 | break; |
950 | ||
951 | case TYPE_ARRAY: | |
c849df63 | 952 | set_gc_used_type (t->u.a.p, GC_USED, param); |
1f3233d1 | 953 | break; |
1a97be37 | 954 | |
1f3233d1 | 955 | case TYPE_LANG_STRUCT: |
956 | for (t = t->u.s.lang_struct; t; t = t->next) | |
c849df63 | 957 | set_gc_used_type (t, level, param); |
1f3233d1 | 958 | break; |
959 | ||
960 | case TYPE_PARAM_STRUCT: | |
c849df63 | 961 | { |
962 | int i; | |
963 | for (i = 0; i < NUM_PARAM; i++) | |
964 | if (t->u.param_struct.param[i] != 0) | |
965 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
966 | } | |
967 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
968 | level = GC_POINTED_TO; | |
969 | else | |
970 | level = GC_USED; | |
971 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
1a97be37 | 972 | set_gc_used_type (t->u.param_struct.stru, level, |
c849df63 | 973 | t->u.param_struct.param); |
1f3233d1 | 974 | break; |
975 | ||
976 | default: | |
977 | break; | |
978 | } | |
979 | } | |
980 | ||
c849df63 | 981 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
155e048d | 982 | |
1f3233d1 | 983 | static void |
1a97be37 | 984 | set_gc_used (pair_p variables) |
1f3233d1 | 985 | { |
986 | pair_p p; | |
987 | for (p = variables; p; p = p->next) | |
c849df63 | 988 | set_gc_used_type (p->type, GC_USED, NULL); |
1f3233d1 | 989 | } |
990 | \f | |
991 | /* File mapping routines. For each input file, there is one output .c file | |
992 | (but some output files have many input files), and there is one .h file | |
993 | for the whole build. */ | |
994 | ||
155e048d | 995 | /* The list of output files. */ |
92570e7a | 996 | static outf_p output_files; |
155e048d | 997 | |
998 | /* The output header file that is included into pretty much every | |
999 | source file. */ | |
00775b04 | 1000 | static outf_p header_file; |
1f3233d1 | 1001 | |
776c30b8 | 1002 | /* Number of files specified in gtfiles. */ |
1003 | #define NUM_GT_FILES (ARRAY_SIZE (all_files) - 1) | |
4d26f199 | 1004 | |
776c30b8 | 1005 | /* Number of files in the language files array. */ |
1006 | #define NUM_LANG_FILES (ARRAY_SIZE (lang_files) - 1) | |
1007 | ||
1008 | /* Length of srcdir name. */ | |
1009 | static int srcdir_len = 0; | |
1010 | ||
1011 | #define NUM_BASE_FILES (ARRAY_SIZE (lang_dir_names) - 1) | |
92570e7a | 1012 | outf_p base_files[NUM_BASE_FILES]; |
1f3233d1 | 1013 | |
1a97be37 | 1014 | static outf_p create_file (const char *, const char *); |
1015 | static const char * get_file_basename (const char *); | |
1f3233d1 | 1016 | |
92570e7a | 1017 | /* Create and return an outf_p for a new file for NAME, to be called |
1018 | ONAME. */ | |
155e048d | 1019 | |
92570e7a | 1020 | static outf_p |
1a97be37 | 1021 | create_file (const char *name, const char *oname) |
1f3233d1 | 1022 | { |
1023 | static const char *const hdr[] = { | |
c39ed964 | 1024 | " Copyright (C) 2004 Free Software Foundation, Inc.\n", |
1f3233d1 | 1025 | "\n", |
1026 | "This file is part of GCC.\n", | |
1027 | "\n", | |
1028 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1029 | "the terms of the GNU General Public License as published by the Free\n", | |
1030 | "Software Foundation; either version 2, or (at your option) any later\n", | |
1031 | "version.\n", | |
1032 | "\n", | |
1033 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1034 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1035 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1036 | "for more details.\n", | |
1037 | "\n", | |
1038 | "You should have received a copy of the GNU General Public License\n", | |
1039 | "along with GCC; see the file COPYING. If not, write to the Free\n", | |
f5eaab73 | 1040 | "Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA\n", |
1041 | "02110-1301, USA. */\n", | |
1f3233d1 | 1042 | "\n", |
1043 | "/* This file is machine generated. Do not edit. */\n" | |
1044 | }; | |
92570e7a | 1045 | outf_p f; |
1f3233d1 | 1046 | size_t i; |
1a97be37 | 1047 | |
9318f22c | 1048 | f = XCNEW (struct outf); |
92570e7a | 1049 | f->next = output_files; |
1050 | f->name = oname; | |
1051 | output_files = f; | |
1052 | ||
1053 | oprintf (f, "/* Type information for %s.\n", name); | |
0480d780 | 1054 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
92570e7a | 1055 | oprintf (f, "%s", hdr[i]); |
1f3233d1 | 1056 | return f; |
1057 | } | |
1058 | ||
92570e7a | 1059 | /* Print, like fprintf, to O. */ |
1a97be37 | 1060 | void |
ee582a61 | 1061 | oprintf (outf_p o, const char *format, ...) |
92570e7a | 1062 | { |
1063 | char *s; | |
1064 | size_t slength; | |
ee582a61 | 1065 | va_list ap; |
1a97be37 | 1066 | |
ee582a61 | 1067 | va_start (ap, format); |
92570e7a | 1068 | slength = xvasprintf (&s, format, ap); |
92570e7a | 1069 | |
1070 | if (o->bufused + slength > o->buflength) | |
1071 | { | |
1072 | size_t new_len = o->buflength; | |
1073 | if (new_len == 0) | |
1074 | new_len = 1024; | |
1075 | do { | |
1076 | new_len *= 2; | |
1077 | } while (o->bufused + slength >= new_len); | |
63aa3db6 | 1078 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
92570e7a | 1079 | o->buflength = new_len; |
1080 | } | |
1081 | memcpy (o->buf + o->bufused, s, slength); | |
1082 | o->bufused += slength; | |
1083 | free (s); | |
ee582a61 | 1084 | va_end (ap); |
92570e7a | 1085 | } |
1086 | ||
155e048d | 1087 | /* Open the global header file and the language-specific header files. */ |
1088 | ||
1f3233d1 | 1089 | static void |
1a97be37 | 1090 | open_base_files (void) |
1f3233d1 | 1091 | { |
1092 | size_t i; | |
1a97be37 | 1093 | |
92570e7a | 1094 | header_file = create_file ("GCC", "gtype-desc.h"); |
1f3233d1 | 1095 | |
1096 | for (i = 0; i < NUM_BASE_FILES; i++) | |
1a97be37 | 1097 | base_files[i] = create_file (lang_dir_names[i], |
776c30b8 | 1098 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
92570e7a | 1099 | |
1100 | /* gtype-desc.c is a little special, so we create it here. */ | |
1101 | { | |
1102 | /* The order of files here matters very much. */ | |
1103 | static const char *const ifiles [] = { | |
4ee9c684 | 1104 | "config.h", "system.h", "coretypes.h", "tm.h", "varray.h", |
42fe97ed | 1105 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
1106 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", | |
1107 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1108 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
1109 | "tree-flow.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", | |
30641a08 | 1110 | "cfglayout.h", "except.h", "output.h", NULL |
92570e7a | 1111 | }; |
1112 | const char *const *ifp; | |
1113 | outf_p gtype_desc_c; | |
1a97be37 | 1114 | |
92570e7a | 1115 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1116 | for (ifp = ifiles; *ifp; ifp++) | |
1117 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
1118 | } | |
1f3233d1 | 1119 | } |
1120 | ||
155e048d | 1121 | /* Determine the pathname to F relative to $(srcdir). */ |
1122 | ||
1f3233d1 | 1123 | static const char * |
1a97be37 | 1124 | get_file_basename (const char *f) |
1f3233d1 | 1125 | { |
1f3233d1 | 1126 | const char *basename; |
776c30b8 | 1127 | unsigned i; |
1a97be37 | 1128 | |
1f3233d1 | 1129 | basename = strrchr (f, '/'); |
1a97be37 | 1130 | |
776c30b8 | 1131 | if (!basename) |
1132 | return f; | |
1a97be37 | 1133 | |
776c30b8 | 1134 | basename++; |
1a97be37 | 1135 | |
776c30b8 | 1136 | for (i = 1; i < NUM_BASE_FILES; i++) |
1137 | { | |
1138 | const char * s1; | |
1139 | const char * s2; | |
1140 | int l1; | |
1141 | int l2; | |
1142 | s1 = basename - strlen (lang_dir_names [i]) - 1; | |
1143 | s2 = lang_dir_names [i]; | |
1144 | l1 = strlen (s1); | |
1145 | l2 = strlen (s2); | |
9728bde3 | 1146 | if (l1 >= l2 && IS_DIR_SEPARATOR (s1[-1]) && !memcmp (s1, s2, l2)) |
776c30b8 | 1147 | { |
1148 | basename -= l2 + 1; | |
1149 | if ((basename - f - 1) != srcdir_len) | |
e0a4c0c2 | 1150 | fatal ("filename `%s' should be preceded by $srcdir", f); |
776c30b8 | 1151 | break; |
1152 | } | |
1153 | } | |
1a97be37 | 1154 | |
1f3233d1 | 1155 | return basename; |
1156 | } | |
1157 | ||
155e048d | 1158 | /* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff |
1a97be37 | 1159 | INPUT_FILE is used by <lang>. |
155e048d | 1160 | |
1161 | This function should be written to assume that a file _is_ used | |
1162 | if the situation is unclear. If it wrongly assumes a file _is_ used, | |
1163 | a linker error will result. If it wrongly assumes a file _is not_ used, | |
1164 | some GC roots may be missed, which is a much harder-to-debug problem. */ | |
1165 | ||
1f3233d1 | 1166 | unsigned |
1a97be37 | 1167 | get_base_file_bitmap (const char *input_file) |
1f3233d1 | 1168 | { |
1169 | const char *basename = get_file_basename (input_file); | |
1170 | const char *slashpos = strchr (basename, '/'); | |
776c30b8 | 1171 | unsigned j; |
1172 | unsigned k; | |
1173 | unsigned bitmap; | |
1a97be37 | 1174 | |
9728bde3 | 1175 | /* If the file resides in a language subdirectory (e.g., 'cp'), assume that |
1176 | it belongs to the corresponding language. The file may belong to other | |
1177 | languages as well (which is checked for below). */ | |
1178 | ||
776c30b8 | 1179 | if (slashpos) |
1f3233d1 | 1180 | { |
1181 | size_t i; | |
776c30b8 | 1182 | for (i = 1; i < NUM_BASE_FILES; i++) |
1183 | if ((size_t)(slashpos - basename) == strlen (lang_dir_names [i]) | |
1184 | && memcmp (basename, lang_dir_names[i], strlen (lang_dir_names[i])) == 0) | |
1185 | { | |
1186 | /* It's in a language directory, set that language. */ | |
1187 | bitmap = 1 << i; | |
776c30b8 | 1188 | } |
1f3233d1 | 1189 | } |
776c30b8 | 1190 | |
1191 | /* If it's in any config-lang.in, then set for the languages | |
1192 | specified. */ | |
1193 | ||
1194 | bitmap = 0; | |
1195 | ||
1196 | for (j = 0; j < NUM_LANG_FILES; j++) | |
1197 | { | |
1198 | if (!strcmp(input_file, lang_files[j])) | |
1199 | { | |
1200 | for (k = 0; k < NUM_BASE_FILES; k++) | |
1201 | { | |
1202 | if (!strcmp(lang_dir_names[k], langs_for_lang_files[j])) | |
1203 | bitmap |= (1 << k); | |
1204 | } | |
1205 | } | |
1206 | } | |
1a97be37 | 1207 | |
776c30b8 | 1208 | /* Otherwise, set all languages. */ |
1209 | if (!bitmap) | |
1210 | bitmap = (1 << NUM_BASE_FILES) - 1; | |
1211 | ||
1212 | return bitmap; | |
1f3233d1 | 1213 | } |
1214 | ||
155e048d | 1215 | /* An output file, suitable for definitions, that can see declarations |
1216 | made in INPUT_FILE and is linked into every language that uses | |
1217 | INPUT_FILE. */ | |
1218 | ||
92570e7a | 1219 | outf_p |
1a97be37 | 1220 | get_output_file_with_visibility (const char *input_file) |
1f3233d1 | 1221 | { |
92570e7a | 1222 | outf_p r; |
1f3233d1 | 1223 | size_t len; |
1224 | const char *basename; | |
92570e7a | 1225 | const char *for_name; |
1226 | const char *output_name; | |
1f3233d1 | 1227 | |
92570e7a | 1228 | /* This can happen when we need a file with visibility on a |
1229 | structure that we've never seen. We have to just hope that it's | |
1230 | globally visible. */ | |
1231 | if (input_file == NULL) | |
1232 | input_file = "system.h"; | |
1f3233d1 | 1233 | |
1f3233d1 | 1234 | /* Determine the output file name. */ |
1235 | basename = get_file_basename (input_file); | |
1236 | ||
1237 | len = strlen (basename); | |
1238 | if ((len > 2 && memcmp (basename+len-2, ".c", 2) == 0) | |
1239 | || (len > 2 && memcmp (basename+len-2, ".y", 2) == 0) | |
1240 | || (len > 3 && memcmp (basename+len-3, ".in", 3) == 0)) | |
1241 | { | |
1242 | char *s; | |
1a97be37 | 1243 | |
92570e7a | 1244 | output_name = s = xasprintf ("gt-%s", basename); |
1f3233d1 | 1245 | for (; *s != '.'; s++) |
74863452 | 1246 | if (! ISALNUM (*s) && *s != '-') |
1f3233d1 | 1247 | *s = '-'; |
1248 | memcpy (s, ".h", sizeof (".h")); | |
92570e7a | 1249 | for_name = basename; |
1f3233d1 | 1250 | } |
9728bde3 | 1251 | /* Some headers get used by more than one front-end; hence, it |
1252 | would be inappropriate to spew them out to a single gtype-<lang>.h | |
1253 | (and gengtype doesn't know how to direct spewage into multiple | |
1254 | gtype-<lang>.h headers at this time). Instead, we pair up these | |
1255 | headers with source files (and their special purpose gt-*.h headers). */ | |
1f3233d1 | 1256 | else if (strcmp (basename, "c-common.h") == 0) |
92570e7a | 1257 | output_name = "gt-c-common.h", for_name = "c-common.c"; |
1f3233d1 | 1258 | else if (strcmp (basename, "c-tree.h") == 0) |
92570e7a | 1259 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; |
ddb5d39d | 1260 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) |
1261 | && strcmp (basename + 3, "cp-tree.h") == 0) | |
1262 | output_name = "gt-cp-tree.h", for_name = "cp/tree.c"; | |
1263 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1264 | && strcmp (basename + 3, "decl.h") == 0) | |
1265 | output_name = "gt-cp-decl.h", for_name = "cp/decl.c"; | |
1266 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1267 | && strcmp (basename + 3, "name-lookup.h") == 0) | |
1268 | output_name = "gt-cp-name-lookup.h", for_name = "cp/name-lookup.c"; | |
9728bde3 | 1269 | else if (strncmp (basename, "objc", 4) == 0 && IS_DIR_SEPARATOR (basename[4]) |
1270 | && strcmp (basename + 5, "objc-act.h") == 0) | |
1271 | output_name = "gt-objc-objc-act.h", for_name = "objc/objc-act.c"; | |
1272 | else | |
1f3233d1 | 1273 | { |
1274 | size_t i; | |
1a97be37 | 1275 | |
1f3233d1 | 1276 | for (i = 0; i < NUM_BASE_FILES; i++) |
776c30b8 | 1277 | if (memcmp (basename, lang_dir_names[i], strlen (lang_dir_names[i])) == 0 |
1278 | && basename[strlen(lang_dir_names[i])] == '/') | |
92570e7a | 1279 | return base_files[i]; |
1280 | ||
1281 | output_name = "gtype-desc.c"; | |
1282 | for_name = NULL; | |
1f3233d1 | 1283 | } |
1284 | ||
1285 | /* Look through to see if we've ever seen this output filename before. */ | |
92570e7a | 1286 | for (r = output_files; r; r = r->next) |
1287 | if (strcmp (r->name, output_name) == 0) | |
1288 | return r; | |
1f3233d1 | 1289 | |
1290 | /* If not, create it. */ | |
92570e7a | 1291 | r = create_file (for_name, output_name); |
1f3233d1 | 1292 | |
92570e7a | 1293 | return r; |
1f3233d1 | 1294 | } |
1295 | ||
155e048d | 1296 | /* The name of an output file, suitable for definitions, that can see |
1297 | declarations made in INPUT_FILE and is linked into every language | |
1298 | that uses INPUT_FILE. */ | |
1299 | ||
1f3233d1 | 1300 | const char * |
1a97be37 | 1301 | get_output_file_name (const char *input_file) |
1f3233d1 | 1302 | { |
92570e7a | 1303 | return get_output_file_with_visibility (input_file)->name; |
1f3233d1 | 1304 | } |
1305 | ||
92570e7a | 1306 | /* Copy the output to its final destination, |
155e048d | 1307 | but don't unnecessarily change modification times. */ |
1308 | ||
1f3233d1 | 1309 | static void |
1a97be37 | 1310 | close_output_files (void) |
1f3233d1 | 1311 | { |
92570e7a | 1312 | outf_p of; |
1a97be37 | 1313 | |
92570e7a | 1314 | for (of = output_files; of; of = of->next) |
1f3233d1 | 1315 | { |
92570e7a | 1316 | FILE * newfile; |
1317 | ||
1318 | newfile = fopen (of->name, "r"); | |
1319 | if (newfile != NULL ) | |
1f3233d1 | 1320 | { |
92570e7a | 1321 | int no_write_p; |
1322 | size_t i; | |
1f3233d1 | 1323 | |
92570e7a | 1324 | for (i = 0; i < of->bufused; i++) |
1325 | { | |
1326 | int ch; | |
1327 | ch = fgetc (newfile); | |
1328 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
1329 | break; | |
1330 | } | |
1331 | no_write_p = i == of->bufused && fgetc (newfile) == EOF; | |
1f3233d1 | 1332 | fclose (newfile); |
92570e7a | 1333 | |
1334 | if (no_write_p) | |
1335 | continue; | |
1f3233d1 | 1336 | } |
1337 | ||
92570e7a | 1338 | newfile = fopen (of->name, "w"); |
1f3233d1 | 1339 | if (newfile == NULL) |
1340 | { | |
1341 | perror ("opening output file"); | |
1342 | exit (1); | |
1343 | } | |
92570e7a | 1344 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) |
1345 | { | |
1346 | perror ("writing output file"); | |
1347 | exit (1); | |
1348 | } | |
1349 | if (fclose (newfile) != 0) | |
1350 | { | |
1351 | perror ("closing output file"); | |
1352 | exit (1); | |
1353 | } | |
1f3233d1 | 1354 | } |
1355 | } | |
1356 | \f | |
1357 | struct flist { | |
1358 | struct flist *next; | |
1359 | int started_p; | |
1360 | const char *name; | |
92570e7a | 1361 | outf_p f; |
1f3233d1 | 1362 | }; |
1363 | ||
573aba85 | 1364 | struct walk_type_data; |
1365 | ||
1366 | /* For scalars and strings, given the item in 'val'. | |
1367 | For structures, given a pointer to the item in 'val'. | |
1368 | For misc. pointers, given the item in 'val'. | |
1369 | */ | |
1a97be37 | 1370 | typedef void (*process_field_fn) |
1371 | (type_p f, const struct walk_type_data *p); | |
573aba85 | 1372 | typedef void (*func_name_fn) |
1a97be37 | 1373 | (type_p s, const struct walk_type_data *p); |
573aba85 | 1374 | |
1375 | /* Parameters for write_types. */ | |
1376 | ||
1a97be37 | 1377 | struct write_types_data |
573aba85 | 1378 | { |
1379 | const char *prefix; | |
1380 | const char *param_prefix; | |
1381 | const char *subfield_marker_routine; | |
1382 | const char *marker_routine; | |
1383 | const char *reorder_note_routine; | |
1384 | const char *comment; | |
1385 | }; | |
1386 | ||
1a97be37 | 1387 | static void output_escaped_param (struct walk_type_data *d, |
1388 | const char *, const char *); | |
1389 | static void output_mangled_typename (outf_p, type_p); | |
1390 | static void walk_type (type_p t, struct walk_type_data *d); | |
573aba85 | 1391 | static void write_func_for_structure |
1a97be37 | 1392 | (type_p orig_s, type_p s, type_p * param, |
1393 | const struct write_types_data *wtd); | |
1394 | static void write_types_process_field | |
1395 | (type_p f, const struct walk_type_data *d); | |
1396 | static void write_types (type_p structures, | |
1397 | type_p param_structs, | |
1398 | const struct write_types_data *wtd); | |
573aba85 | 1399 | static void write_types_local_process_field |
1a97be37 | 1400 | (type_p f, const struct walk_type_data *d); |
573aba85 | 1401 | static void write_local_func_for_structure |
1a97be37 | 1402 | (type_p orig_s, type_p s, type_p * param); |
1403 | static void write_local (type_p structures, | |
1404 | type_p param_structs); | |
1405 | static void write_enum_defn (type_p structures, type_p param_structs); | |
1406 | static int contains_scalar_p (type_p t); | |
1407 | static void put_mangled_filename (outf_p , const char *); | |
1408 | static void finish_root_table (struct flist *flp, const char *pfx, | |
1409 | const char *tname, const char *lastname, | |
1410 | const char *name); | |
1411 | static void write_root (outf_p , pair_p, type_p, const char *, int, | |
1412 | struct fileloc *, const char *); | |
1413 | static void write_array (outf_p f, pair_p v, | |
1414 | const struct write_types_data *wtd); | |
1415 | static void write_roots (pair_p); | |
1f3233d1 | 1416 | |
573aba85 | 1417 | /* Parameters for walk_type. */ |
1f3233d1 | 1418 | |
573aba85 | 1419 | struct walk_type_data |
1f3233d1 | 1420 | { |
573aba85 | 1421 | process_field_fn process_field; |
1422 | const void *cookie; | |
1423 | outf_p of; | |
1424 | options_p opt; | |
1425 | const char *val; | |
1426 | const char *prev_val[4]; | |
1427 | int indent; | |
1428 | int counter; | |
1429 | struct fileloc *line; | |
1430 | lang_bitmap bitmap; | |
1431 | type_p *param; | |
1432 | int used_length; | |
1433 | type_p orig_s; | |
1434 | const char *reorder_fn; | |
c39ed964 | 1435 | bool needs_cast_p; |
1436 | bool fn_wants_lvalue; | |
573aba85 | 1437 | }; |
c849df63 | 1438 | |
1439 | /* Print a mangled name representing T to OF. */ | |
1440 | ||
1441 | static void | |
1a97be37 | 1442 | output_mangled_typename (outf_p of, type_p t) |
c849df63 | 1443 | { |
1444 | if (t == NULL) | |
1445 | oprintf (of, "Z"); | |
1446 | else switch (t->kind) | |
1447 | { | |
1448 | case TYPE_POINTER: | |
1449 | oprintf (of, "P"); | |
1450 | output_mangled_typename (of, t->u.p); | |
1451 | break; | |
1452 | case TYPE_SCALAR: | |
1453 | oprintf (of, "I"); | |
1454 | break; | |
1455 | case TYPE_STRING: | |
1456 | oprintf (of, "S"); | |
1457 | break; | |
1458 | case TYPE_STRUCT: | |
1459 | case TYPE_UNION: | |
1460 | case TYPE_LANG_STRUCT: | |
e72117bc | 1461 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), t->u.s.tag); |
c849df63 | 1462 | break; |
1463 | case TYPE_PARAM_STRUCT: | |
1464 | { | |
1465 | int i; | |
1466 | for (i = 0; i < NUM_PARAM; i++) | |
1467 | if (t->u.param_struct.param[i] != NULL) | |
1468 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
1a97be37 | 1469 | output_mangled_typename (of, t->u.param_struct.stru); |
c849df63 | 1470 | } |
1471 | break; | |
1472 | case TYPE_ARRAY: | |
e0a4c0c2 | 1473 | gcc_unreachable (); |
c849df63 | 1474 | } |
1f3233d1 | 1475 | } |
1476 | ||
573aba85 | 1477 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
1478 | current object, D->PREV_VAL the object containing the current | |
1479 | object, ONAME is the name of the option and D->LINE is used to | |
1480 | print error messages. */ | |
155e048d | 1481 | |
1f3233d1 | 1482 | static void |
1a97be37 | 1483 | output_escaped_param (struct walk_type_data *d, const char *param, |
1484 | const char *oname) | |
1f3233d1 | 1485 | { |
573aba85 | 1486 | const char *p; |
1a97be37 | 1487 | |
573aba85 | 1488 | for (p = param; *p; p++) |
1489 | if (*p != '%') | |
1490 | oprintf (d->of, "%c", *p); | |
1491 | else switch (*++p) | |
1492 | { | |
1493 | case 'h': | |
1494 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
1495 | break; | |
1496 | case '0': | |
1497 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
1498 | break; | |
1499 | case '1': | |
1500 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
1501 | break; | |
1502 | case 'a': | |
1f3233d1 | 1503 | { |
573aba85 | 1504 | const char *pp = d->val + strlen (d->val); |
1505 | while (pp[-1] == ']') | |
1506 | while (*pp != '[') | |
1507 | pp--; | |
1508 | oprintf (d->of, "%s", pp); | |
1f3233d1 | 1509 | } |
573aba85 | 1510 | break; |
1511 | default: | |
1512 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
1513 | oname, '%', *p); | |
1514 | } | |
1515 | } | |
1f3233d1 | 1516 | |
573aba85 | 1517 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
1518 | which is of type T. Write code to D->OF to constrain execution (at | |
1519 | the point that D->PROCESS_FIELD is called) to the appropriate | |
b14c9131 | 1520 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
1521 | pointers to those objects. D->PREV_VAL lists the objects | |
1522 | containing the current object, D->OPT is a list of options to | |
1523 | apply, D->INDENT is the current indentation level, D->LINE is used | |
1524 | to print error messages, D->BITMAP indicates which languages to | |
1525 | print the structure for, and D->PARAM is the current parameter | |
1526 | (from an enclosing param_is option). */ | |
1f3233d1 | 1527 | |
573aba85 | 1528 | static void |
1a97be37 | 1529 | walk_type (type_p t, struct walk_type_data *d) |
573aba85 | 1530 | { |
1531 | const char *length = NULL; | |
1532 | const char *desc = NULL; | |
1533 | int maybe_undef_p = 0; | |
1534 | int use_param_num = -1; | |
1535 | int use_params_p = 0; | |
573aba85 | 1536 | options_p oo; |
8ed01400 | 1537 | const struct nested_ptr_data *nested_ptr_d = NULL; |
1a97be37 | 1538 | |
c39ed964 | 1539 | d->needs_cast_p = false; |
573aba85 | 1540 | for (oo = d->opt; oo; oo = oo->next) |
1541 | if (strcmp (oo->name, "length") == 0) | |
a070a3bd | 1542 | length = oo->info; |
573aba85 | 1543 | else if (strcmp (oo->name, "maybe_undef") == 0) |
1544 | maybe_undef_p = 1; | |
1545 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
1546 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
1547 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
1548 | else if (strcmp (oo->name, "use_params") == 0) | |
1549 | use_params_p = 1; | |
1550 | else if (strcmp (oo->name, "desc") == 0) | |
a070a3bd | 1551 | desc = oo->info; |
8ed01400 | 1552 | else if (strcmp (oo->name, "nested_ptr") == 0) |
c39ed964 | 1553 | nested_ptr_d = (const struct nested_ptr_data *) oo->info; |
573aba85 | 1554 | else if (strcmp (oo->name, "dot") == 0) |
1555 | ; | |
1556 | else if (strcmp (oo->name, "tag") == 0) | |
1557 | ; | |
1558 | else if (strcmp (oo->name, "special") == 0) | |
1559 | ; | |
1560 | else if (strcmp (oo->name, "skip") == 0) | |
1561 | ; | |
1562 | else if (strcmp (oo->name, "default") == 0) | |
1563 | ; | |
1564 | else if (strcmp (oo->name, "descbits") == 0) | |
1565 | ; | |
1566 | else if (strcmp (oo->name, "param_is") == 0) | |
1567 | ; | |
8578ce7b | 1568 | else if (strncmp (oo->name, "param", 5) == 0 |
1569 | && ISDIGIT (oo->name[5]) | |
1570 | && strcmp (oo->name + 6, "_is") == 0) | |
1571 | ; | |
573aba85 | 1572 | else if (strcmp (oo->name, "chain_next") == 0) |
1573 | ; | |
1574 | else if (strcmp (oo->name, "chain_prev") == 0) | |
1575 | ; | |
1576 | else if (strcmp (oo->name, "reorder") == 0) | |
1577 | ; | |
1578 | else | |
1579 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
c849df63 | 1580 | |
573aba85 | 1581 | if (d->used_length) |
1582 | length = NULL; | |
c849df63 | 1583 | |
573aba85 | 1584 | if (use_params_p) |
1585 | { | |
1586 | int pointer_p = t->kind == TYPE_POINTER; | |
1a97be37 | 1587 | |
573aba85 | 1588 | if (pointer_p) |
1589 | t = t->u.p; | |
1590 | if (! UNION_OR_STRUCT_P (t)) | |
1591 | error_at_line (d->line, "`use_params' option on unimplemented type"); | |
1a97be37 | 1592 | else |
573aba85 | 1593 | t = find_param_structure (t, d->param); |
1594 | if (pointer_p) | |
1595 | t = create_pointer (t); | |
1596 | } | |
1a97be37 | 1597 | |
573aba85 | 1598 | if (use_param_num != -1) |
1599 | { | |
1600 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
1f3233d1 | 1601 | { |
573aba85 | 1602 | type_p nt = d->param[use_param_num]; |
1a97be37 | 1603 | |
573aba85 | 1604 | if (t->kind == TYPE_ARRAY) |
1605 | nt = create_array (nt, t->u.a.len); | |
1606 | else if (length != NULL && t->kind == TYPE_POINTER) | |
1607 | nt = create_pointer (nt); | |
b41d328d | 1608 | d->needs_cast_p = (t->kind != TYPE_POINTER |
1609 | && (nt->kind == TYPE_POINTER | |
1610 | || nt->kind == TYPE_STRING)); | |
573aba85 | 1611 | t = nt; |
1f3233d1 | 1612 | } |
573aba85 | 1613 | else |
1614 | error_at_line (d->line, "no parameter defined for `%s'", | |
1615 | d->val); | |
1616 | } | |
1a97be37 | 1617 | |
1618 | if (maybe_undef_p | |
573aba85 | 1619 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) |
1620 | { | |
1a97be37 | 1621 | error_at_line (d->line, |
573aba85 | 1622 | "field `%s' has invalid option `maybe_undef_p'\n", |
1623 | d->val); | |
1624 | return; | |
1625 | } | |
1a97be37 | 1626 | |
573aba85 | 1627 | switch (t->kind) |
1628 | { | |
1629 | case TYPE_SCALAR: | |
1630 | case TYPE_STRING: | |
1631 | d->process_field (t, d); | |
1632 | break; | |
1a97be37 | 1633 | |
573aba85 | 1634 | case TYPE_POINTER: |
1635 | { | |
1636 | if (maybe_undef_p | |
1637 | && t->u.p->u.s.line.file == NULL) | |
1638 | { | |
e0a4c0c2 | 1639 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
573aba85 | 1640 | break; |
1641 | } | |
1f3233d1 | 1642 | |
573aba85 | 1643 | if (! length) |
1f3233d1 | 1644 | { |
573aba85 | 1645 | if (! UNION_OR_STRUCT_P (t->u.p) |
1646 | && t->u.p->kind != TYPE_PARAM_STRUCT) | |
1f3233d1 | 1647 | { |
1a97be37 | 1648 | error_at_line (d->line, |
573aba85 | 1649 | "field `%s' is pointer to unimplemented type", |
1650 | d->val); | |
1f3233d1 | 1651 | break; |
1652 | } | |
1a97be37 | 1653 | |
8ed01400 | 1654 | if (nested_ptr_d) |
1655 | { | |
1656 | const char *oldprevval2 = d->prev_val[2]; | |
1657 | ||
1658 | if (! UNION_OR_STRUCT_P (nested_ptr_d->type)) | |
1659 | { | |
1660 | error_at_line (d->line, | |
1661 | "field `%s' has invalid " | |
1662 | "option `nested_ptr'\n", | |
1663 | d->val); | |
1664 | return; | |
1665 | } | |
1666 | ||
1667 | d->prev_val[2] = d->val; | |
1668 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
1669 | d->indent += 2; | |
1670 | d->val = xasprintf ("x%d", d->counter++); | |
c39ed964 | 1671 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
8ed01400 | 1672 | (nested_ptr_d->type->kind == TYPE_UNION |
1673 | ? "union" : "struct"), | |
c39ed964 | 1674 | nested_ptr_d->type->u.s.tag, |
1675 | d->fn_wants_lvalue ? "" : "const ", | |
1676 | d->val); | |
8ed01400 | 1677 | oprintf (d->of, "%*s", d->indent + 2, ""); |
1678 | output_escaped_param (d, nested_ptr_d->convert_from, | |
1679 | "nested_ptr"); | |
1680 | oprintf (d->of, ";\n"); | |
1681 | ||
1682 | d->process_field (nested_ptr_d->type, d); | |
1683 | ||
c39ed964 | 1684 | if (d->fn_wants_lvalue) |
1685 | { | |
1686 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
1687 | d->prev_val[2]); | |
1688 | d->prev_val[2] = d->val; | |
1689 | output_escaped_param (d, nested_ptr_d->convert_to, | |
1690 | "nested_ptr"); | |
1691 | oprintf (d->of, ";\n"); | |
1692 | } | |
8ed01400 | 1693 | |
1694 | d->indent -= 2; | |
1695 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1696 | d->val = d->prev_val[2]; | |
1697 | d->prev_val[2] = oldprevval2; | |
1698 | } | |
1699 | else | |
1700 | d->process_field (t->u.p, d); | |
1f3233d1 | 1701 | } |
1a97be37 | 1702 | else |
1f3233d1 | 1703 | { |
573aba85 | 1704 | int loopcounter = d->counter++; |
1705 | const char *oldval = d->val; | |
1706 | const char *oldprevval3 = d->prev_val[3]; | |
1f3233d1 | 1707 | char *newval; |
1708 | ||
573aba85 | 1709 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
1710 | d->indent += 2; | |
1711 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
8e513eb8 | 1712 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, "", |
573aba85 | 1713 | loopcounter, loopcounter); |
1714 | output_escaped_param (d, length, "length"); | |
1715 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
1716 | d->indent += 2; | |
1717 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
1718 | d->used_length = 1; | |
1719 | d->prev_val[3] = oldval; | |
1720 | walk_type (t->u.p, d); | |
1f3233d1 | 1721 | free (newval); |
573aba85 | 1722 | d->val = oldval; |
1723 | d->prev_val[3] = oldprevval3; | |
1724 | d->used_length = 0; | |
1725 | d->indent -= 2; | |
1726 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
b14c9131 | 1727 | d->process_field(t, d); |
573aba85 | 1728 | d->indent -= 2; |
1729 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1f3233d1 | 1730 | } |
573aba85 | 1731 | } |
1732 | break; | |
1f3233d1 | 1733 | |
573aba85 | 1734 | case TYPE_ARRAY: |
1735 | { | |
1736 | int loopcounter = d->counter++; | |
1737 | const char *oldval = d->val; | |
1738 | char *newval; | |
1739 | ||
7ef5b942 | 1740 | /* If it's an array of scalars, we optimize by not generating |
573aba85 | 1741 | any code. */ |
1742 | if (t->u.a.p->kind == TYPE_SCALAR) | |
1f3233d1 | 1743 | break; |
1a97be37 | 1744 | |
573aba85 | 1745 | oprintf (d->of, "%*s{\n", d->indent, ""); |
1746 | d->indent += 2; | |
1747 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
8e513eb8 | 1748 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, "", |
573aba85 | 1749 | loopcounter, loopcounter); |
1750 | if (length) | |
1751 | output_escaped_param (d, length, "length"); | |
1752 | else | |
1753 | oprintf (d->of, "%s", t->u.a.len); | |
1754 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
1755 | d->indent += 2; | |
1756 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
1757 | d->used_length = 1; | |
1758 | walk_type (t->u.a.p, d); | |
1759 | free (newval); | |
1760 | d->used_length = 0; | |
1761 | d->val = oldval; | |
1762 | d->indent -= 2; | |
1763 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1764 | d->indent -= 2; | |
1765 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1766 | } | |
1767 | break; | |
1a97be37 | 1768 | |
573aba85 | 1769 | case TYPE_STRUCT: |
1770 | case TYPE_UNION: | |
1771 | { | |
1772 | pair_p f; | |
1773 | const char *oldval = d->val; | |
1774 | const char *oldprevval1 = d->prev_val[1]; | |
1775 | const char *oldprevval2 = d->prev_val[2]; | |
1776 | const int union_p = t->kind == TYPE_UNION; | |
1777 | int seen_default_p = 0; | |
1778 | options_p o; | |
1779 | ||
1780 | if (! t->u.s.line.file) | |
1781 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); | |
1f3233d1 | 1782 | |
573aba85 | 1783 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
1f3233d1 | 1784 | { |
573aba85 | 1785 | error_at_line (d->line, |
1786 | "structure `%s' defined for mismatching languages", | |
1787 | t->u.s.tag); | |
1788 | error_at_line (&t->u.s.line, "one structure defined here"); | |
1789 | } | |
1f3233d1 | 1790 | |
573aba85 | 1791 | /* Some things may also be defined in the structure's options. */ |
1792 | for (o = t->u.s.opt; o; o = o->next) | |
1793 | if (! desc && strcmp (o->name, "desc") == 0) | |
a070a3bd | 1794 | desc = o->info; |
1f3233d1 | 1795 | |
573aba85 | 1796 | d->prev_val[2] = oldval; |
1797 | d->prev_val[1] = oldprevval2; | |
1798 | if (union_p) | |
1799 | { | |
1800 | if (desc == NULL) | |
1f3233d1 | 1801 | { |
573aba85 | 1802 | error_at_line (d->line, "missing `desc' option for union `%s'", |
1803 | t->u.s.tag); | |
1804 | desc = "1"; | |
1f3233d1 | 1805 | } |
573aba85 | 1806 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
1807 | output_escaped_param (d, desc, "desc"); | |
1808 | oprintf (d->of, ")\n"); | |
1809 | d->indent += 2; | |
1810 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
1811 | } | |
1812 | for (f = t->u.s.fields; f; f = f->next) | |
1813 | { | |
1814 | options_p oo; | |
1815 | const char *dot = "."; | |
1816 | const char *tagid = NULL; | |
1817 | int skip_p = 0; | |
1818 | int default_p = 0; | |
1819 | int use_param_p = 0; | |
1820 | char *newval; | |
1821 | ||
1822 | d->reorder_fn = NULL; | |
1823 | for (oo = f->opt; oo; oo = oo->next) | |
1824 | if (strcmp (oo->name, "dot") == 0) | |
a070a3bd | 1825 | dot = oo->info; |
573aba85 | 1826 | else if (strcmp (oo->name, "tag") == 0) |
a070a3bd | 1827 | tagid = oo->info; |
573aba85 | 1828 | else if (strcmp (oo->name, "skip") == 0) |
1829 | skip_p = 1; | |
1830 | else if (strcmp (oo->name, "default") == 0) | |
1831 | default_p = 1; | |
1832 | else if (strcmp (oo->name, "reorder") == 0) | |
a070a3bd | 1833 | d->reorder_fn = oo->info; |
573aba85 | 1834 | else if (strncmp (oo->name, "use_param", 9) == 0 |
1835 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
1836 | use_param_p = 1; | |
1837 | ||
1838 | if (skip_p) | |
1839 | continue; | |
1840 | ||
1841 | if (union_p && tagid) | |
1f3233d1 | 1842 | { |
573aba85 | 1843 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
1844 | d->indent += 2; | |
1f3233d1 | 1845 | } |
573aba85 | 1846 | else if (union_p && default_p) |
1f3233d1 | 1847 | { |
573aba85 | 1848 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
1849 | d->indent += 2; | |
1850 | seen_default_p = 1; | |
1f3233d1 | 1851 | } |
573aba85 | 1852 | else if (! union_p && (default_p || tagid)) |
1a97be37 | 1853 | error_at_line (d->line, |
573aba85 | 1854 | "can't use `%s' outside a union on field `%s'", |
1855 | default_p ? "default" : "tag", f->name); | |
1856 | else if (union_p && ! (default_p || tagid) | |
1857 | && f->type->kind == TYPE_SCALAR) | |
1f3233d1 | 1858 | { |
573aba85 | 1859 | fprintf (stderr, |
1860 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", | |
1861 | d->line->file, d->line->line, f->name); | |
1862 | continue; | |
1f3233d1 | 1863 | } |
573aba85 | 1864 | else if (union_p && ! (default_p || tagid)) |
1a97be37 | 1865 | error_at_line (d->line, |
573aba85 | 1866 | "field `%s' is missing `tag' or `default' option", |
1f3233d1 | 1867 | f->name); |
1a97be37 | 1868 | |
573aba85 | 1869 | d->line = &f->line; |
1870 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
1871 | d->opt = f->opt; | |
c39ed964 | 1872 | d->used_length = false; |
573aba85 | 1873 | |
1874 | if (union_p && use_param_p && d->param == NULL) | |
e0a4c0c2 | 1875 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
573aba85 | 1876 | else |
1877 | walk_type (f->type, d); | |
1878 | ||
1879 | free (newval); | |
1880 | ||
1881 | if (union_p) | |
1f3233d1 | 1882 | { |
573aba85 | 1883 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
1884 | d->indent -= 2; | |
1f3233d1 | 1885 | } |
573aba85 | 1886 | } |
1887 | d->reorder_fn = NULL; | |
1f3233d1 | 1888 | |
573aba85 | 1889 | d->val = oldval; |
1890 | d->prev_val[1] = oldprevval1; | |
1891 | d->prev_val[2] = oldprevval2; | |
1892 | ||
1893 | if (union_p && ! seen_default_p) | |
1894 | { | |
1895 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
1896 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
1897 | } | |
1898 | if (union_p) | |
1899 | { | |
1900 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1901 | d->indent -= 2; | |
1f3233d1 | 1902 | } |
573aba85 | 1903 | } |
1904 | break; | |
1f3233d1 | 1905 | |
573aba85 | 1906 | case TYPE_LANG_STRUCT: |
1907 | { | |
1908 | type_p nt; | |
1909 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
1910 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
1911 | break; | |
1912 | if (nt == NULL) | |
1913 | error_at_line (d->line, "structure `%s' differs between languages", | |
1914 | t->u.s.tag); | |
1915 | else | |
1916 | walk_type (nt, d); | |
1917 | } | |
1918 | break; | |
1919 | ||
1920 | case TYPE_PARAM_STRUCT: | |
1921 | { | |
1922 | type_p *oldparam = d->param; | |
1a97be37 | 1923 | |
573aba85 | 1924 | d->param = t->u.param_struct.param; |
1925 | walk_type (t->u.param_struct.stru, d); | |
1926 | d->param = oldparam; | |
1927 | } | |
1928 | break; | |
1a97be37 | 1929 | |
573aba85 | 1930 | default: |
e0a4c0c2 | 1931 | gcc_unreachable (); |
1f3233d1 | 1932 | } |
573aba85 | 1933 | } |
1934 | ||
1935 | /* process_field routine for marking routines. */ | |
1936 | ||
1937 | static void | |
1a97be37 | 1938 | write_types_process_field (type_p f, const struct walk_type_data *d) |
573aba85 | 1939 | { |
1940 | const struct write_types_data *wtd; | |
b41d328d | 1941 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
573aba85 | 1942 | wtd = (const struct write_types_data *) d->cookie; |
1a97be37 | 1943 | |
573aba85 | 1944 | switch (f->kind) |
1f3233d1 | 1945 | { |
573aba85 | 1946 | case TYPE_POINTER: |
1a97be37 | 1947 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
b41d328d | 1948 | wtd->subfield_marker_routine, cast, d->val); |
573aba85 | 1949 | if (wtd->param_prefix) |
c849df63 | 1950 | { |
573aba85 | 1951 | oprintf (d->of, ", %s", d->prev_val[3]); |
1952 | if (d->orig_s) | |
1953 | { | |
1954 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
1955 | output_mangled_typename (d->of, d->orig_s); | |
1956 | } | |
1957 | else | |
1958 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
1bb42c87 | 1959 | |
1960 | if (f->u.p->kind == TYPE_PARAM_STRUCT | |
1961 | && f->u.p->u.s.line.file != NULL) | |
1962 | { | |
1963 | oprintf (d->of, ", gt_e_"); | |
1964 | output_mangled_typename (d->of, f); | |
1965 | } | |
1966 | else if (UNION_OR_STRUCT_P (f) | |
1967 | && f->u.p->u.s.line.file != NULL) | |
1968 | { | |
1969 | oprintf (d->of, ", gt_ggc_e_"); | |
1970 | output_mangled_typename (d->of, f); | |
1971 | } | |
1972 | else | |
1973 | oprintf (d->of, ", gt_types_enum_last"); | |
c849df63 | 1974 | } |
573aba85 | 1975 | oprintf (d->of, ");\n"); |
1976 | if (d->reorder_fn && wtd->reorder_note_routine) | |
1a97be37 | 1977 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
b41d328d | 1978 | wtd->reorder_note_routine, cast, d->val, |
573aba85 | 1979 | d->prev_val[3], d->reorder_fn); |
1980 | break; | |
1981 | ||
1982 | case TYPE_STRING: | |
1983 | if (wtd->param_prefix == NULL) | |
1984 | break; | |
1985 | ||
1986 | case TYPE_STRUCT: | |
1987 | case TYPE_UNION: | |
1988 | case TYPE_LANG_STRUCT: | |
1989 | case TYPE_PARAM_STRUCT: | |
1990 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
1991 | output_mangled_typename (d->of, f); | |
b41d328d | 1992 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
573aba85 | 1993 | if (d->reorder_fn && wtd->reorder_note_routine) |
1a97be37 | 1994 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
b41d328d | 1995 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
573aba85 | 1996 | d->reorder_fn); |
1997 | break; | |
1998 | ||
1999 | case TYPE_SCALAR: | |
2000 | break; | |
1a97be37 | 2001 | |
573aba85 | 2002 | default: |
e0a4c0c2 | 2003 | gcc_unreachable (); |
1f3233d1 | 2004 | } |
2005 | } | |
2006 | ||
523507f1 | 2007 | /* A subroutine of write_func_for_structure. Write the enum tag for S. */ |
2008 | ||
2009 | static void | |
2010 | output_type_enum (outf_p of, type_p s) | |
2011 | { | |
2012 | if (s->kind == TYPE_PARAM_STRUCT && s->u.s.line.file != NULL) | |
2013 | { | |
2014 | oprintf (of, ", gt_e_"); | |
2015 | output_mangled_typename (of, s); | |
2016 | } | |
2017 | else if (UNION_OR_STRUCT_P (s) && s->u.s.line.file != NULL) | |
2018 | { | |
2019 | oprintf (of, ", gt_ggc_e_"); | |
2020 | output_mangled_typename (of, s); | |
2021 | } | |
2022 | else | |
2023 | oprintf (of, ", gt_types_enum_last"); | |
2024 | } | |
2025 | ||
573aba85 | 2026 | /* For S, a structure that's part of ORIG_S, and using parameters |
2027 | PARAM, write out a routine that: | |
2028 | - Takes a parameter, a void * but actually of type *S | |
2029 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
2030 | field of S or its substructures and (in some cases) things | |
2031 | that are pointed to by S. | |
2032 | */ | |
155e048d | 2033 | |
1f3233d1 | 2034 | static void |
00775b04 | 2035 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
2036 | const struct write_types_data *wtd) | |
1f3233d1 | 2037 | { |
c849df63 | 2038 | const char *fn = s->u.s.line.file; |
2039 | int i; | |
2040 | const char *chain_next = NULL; | |
2041 | const char *chain_prev = NULL; | |
2042 | options_p opt; | |
573aba85 | 2043 | struct walk_type_data d; |
1a97be37 | 2044 | |
c849df63 | 2045 | /* This is a hack, and not the good kind either. */ |
2046 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
1a97be37 | 2047 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
c849df63 | 2048 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2049 | fn = param[i]->u.p->u.s.line.file; | |
1a97be37 | 2050 | |
573aba85 | 2051 | memset (&d, 0, sizeof (d)); |
2052 | d.of = get_output_file_with_visibility (fn); | |
1a97be37 | 2053 | |
c849df63 | 2054 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2055 | if (strcmp (opt->name, "chain_next") == 0) | |
a070a3bd | 2056 | chain_next = opt->info; |
c849df63 | 2057 | else if (strcmp (opt->name, "chain_prev") == 0) |
a070a3bd | 2058 | chain_prev = opt->info; |
c849df63 | 2059 | |
2060 | if (chain_prev != NULL && chain_next == NULL) | |
2061 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
2062 | ||
573aba85 | 2063 | d.process_field = write_types_process_field; |
2064 | d.cookie = wtd; | |
2065 | d.orig_s = orig_s; | |
2066 | d.opt = s->u.s.opt; | |
2067 | d.line = &s->u.s.line; | |
2068 | d.bitmap = s->u.s.bitmap; | |
2069 | d.param = param; | |
2070 | d.prev_val[0] = "*x"; | |
21dda4ee | 2071 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
573aba85 | 2072 | d.prev_val[3] = "x"; |
2073 | d.val = "(*x)"; | |
2074 | ||
2075 | oprintf (d.of, "\n"); | |
2076 | oprintf (d.of, "void\n"); | |
1f3233d1 | 2077 | if (param == NULL) |
573aba85 | 2078 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
1f3233d1 | 2079 | else |
c849df63 | 2080 | { |
573aba85 | 2081 | oprintf (d.of, "gt_%s_", wtd->prefix); |
2082 | output_mangled_typename (d.of, orig_s); | |
c849df63 | 2083 | } |
69dc4d00 | 2084 | oprintf (d.of, " (void *x_p)\n"); |
573aba85 | 2085 | oprintf (d.of, "{\n"); |
2086 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
1f3233d1 | 2087 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
c849df63 | 2088 | chain_next == NULL ? "const " : "", |
1f3233d1 | 2089 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
c849df63 | 2090 | if (chain_next != NULL) |
573aba85 | 2091 | oprintf (d.of, " %s %s * xlimit = x;\n", |
c849df63 | 2092 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
2093 | if (chain_next == NULL) | |
573aba85 | 2094 | { |
2095 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
2096 | if (wtd->param_prefix) | |
2097 | { | |
2098 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
2099 | output_mangled_typename (d.of, orig_s); | |
523507f1 | 2100 | output_type_enum (d.of, orig_s); |
573aba85 | 2101 | } |
2102 | oprintf (d.of, "))\n"); | |
2103 | } | |
c849df63 | 2104 | else |
2105 | { | |
573aba85 | 2106 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); |
2107 | if (wtd->param_prefix) | |
2108 | { | |
2109 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2110 | output_mangled_typename (d.of, orig_s); | |
523507f1 | 2111 | output_type_enum (d.of, orig_s); |
573aba85 | 2112 | } |
2113 | oprintf (d.of, "))\n"); | |
2114 | oprintf (d.of, " xlimit = ("); | |
2115 | d.prev_val[2] = "*xlimit"; | |
2116 | output_escaped_param (&d, chain_next, "chain_next"); | |
2117 | oprintf (d.of, ");\n"); | |
c849df63 | 2118 | if (chain_prev != NULL) |
2119 | { | |
573aba85 | 2120 | oprintf (d.of, " if (x != xlimit)\n"); |
2121 | oprintf (d.of, " for (;;)\n"); | |
2122 | oprintf (d.of, " {\n"); | |
2123 | oprintf (d.of, " %s %s * const xprev = (", | |
c849df63 | 2124 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
1a97be37 | 2125 | |
573aba85 | 2126 | d.prev_val[2] = "*x"; |
2127 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
2128 | oprintf (d.of, ");\n"); | |
2129 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
2130 | oprintf (d.of, " x = xprev;\n"); | |
1a97be37 | 2131 | oprintf (d.of, " (void) %s (xprev", |
573aba85 | 2132 | wtd->marker_routine); |
2133 | if (wtd->param_prefix) | |
2134 | { | |
2135 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
2136 | output_mangled_typename (d.of, orig_s); | |
523507f1 | 2137 | output_type_enum (d.of, orig_s); |
573aba85 | 2138 | } |
2139 | oprintf (d.of, ");\n"); | |
2140 | oprintf (d.of, " }\n"); | |
c849df63 | 2141 | } |
573aba85 | 2142 | oprintf (d.of, " while (x != xlimit)\n"); |
c849df63 | 2143 | } |
573aba85 | 2144 | oprintf (d.of, " {\n"); |
1a97be37 | 2145 | |
573aba85 | 2146 | d.prev_val[2] = "*x"; |
2147 | d.indent = 6; | |
2148 | walk_type (s, &d); | |
1a97be37 | 2149 | |
c849df63 | 2150 | if (chain_next != NULL) |
2151 | { | |
573aba85 | 2152 | oprintf (d.of, " x = ("); |
2153 | output_escaped_param (&d, chain_next, "chain_next"); | |
2154 | oprintf (d.of, ");\n"); | |
c849df63 | 2155 | } |
2156 | ||
573aba85 | 2157 | oprintf (d.of, " }\n"); |
2158 | oprintf (d.of, "}\n"); | |
1f3233d1 | 2159 | } |
155e048d | 2160 | |
2161 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
1f3233d1 | 2162 | |
2163 | static void | |
1a97be37 | 2164 | write_types (type_p structures, type_p param_structs, |
2165 | const struct write_types_data *wtd) | |
1f3233d1 | 2166 | { |
2167 | type_p s; | |
1a97be37 | 2168 | |
573aba85 | 2169 | oprintf (header_file, "\n/* %s*/\n", wtd->comment); |
1f3233d1 | 2170 | for (s = structures; s; s = s->next) |
2171 | if (s->gc_used == GC_POINTED_TO | |
2172 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2173 | { | |
2174 | options_p opt; | |
1a97be37 | 2175 | |
1f3233d1 | 2176 | if (s->gc_used == GC_MAYBE_POINTED_TO |
2177 | && s->u.s.line.file == NULL) | |
2178 | continue; | |
2179 | ||
573aba85 | 2180 | oprintf (header_file, "#define gt_%s_", wtd->prefix); |
c849df63 | 2181 | output_mangled_typename (header_file, s); |
2182 | oprintf (header_file, "(X) do { \\\n"); | |
92570e7a | 2183 | oprintf (header_file, |
1a97be37 | 2184 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
573aba85 | 2185 | s->u.s.tag); |
92570e7a | 2186 | oprintf (header_file, |
1f3233d1 | 2187 | " } while (0)\n"); |
1a97be37 | 2188 | |
1f3233d1 | 2189 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2190 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2191 | { | |
2192 | type_p t = (type_p) opt->info; | |
1a97be37 | 2193 | if (t->kind == TYPE_STRUCT |
1f3233d1 | 2194 | || t->kind == TYPE_UNION |
2195 | || t->kind == TYPE_LANG_STRUCT) | |
92570e7a | 2196 | oprintf (header_file, |
573aba85 | 2197 | "#define gt_%sx_%s gt_%sx_%s\n", |
2198 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
1f3233d1 | 2199 | else |
1a97be37 | 2200 | error_at_line (&s->u.s.line, |
1f3233d1 | 2201 | "structure alias is not a structure"); |
2202 | break; | |
2203 | } | |
2204 | if (opt) | |
2205 | continue; | |
2206 | ||
2207 | /* Declare the marker procedure only once. */ | |
1a97be37 | 2208 | oprintf (header_file, |
2209 | "extern void gt_%sx_%s (void *);\n", | |
573aba85 | 2210 | wtd->prefix, s->u.s.tag); |
1a97be37 | 2211 | |
1f3233d1 | 2212 | if (s->u.s.line.file == NULL) |
2213 | { | |
1a97be37 | 2214 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
1f3233d1 | 2215 | s->u.s.tag); |
2216 | continue; | |
2217 | } | |
1a97be37 | 2218 | |
1f3233d1 | 2219 | if (s->kind == TYPE_LANG_STRUCT) |
2220 | { | |
2221 | type_p ss; | |
2222 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
573aba85 | 2223 | write_func_for_structure (s, ss, NULL, wtd); |
1f3233d1 | 2224 | } |
2225 | else | |
573aba85 | 2226 | write_func_for_structure (s, s, NULL, wtd); |
1f3233d1 | 2227 | } |
2228 | ||
2229 | for (s = param_structs; s; s = s->next) | |
2230 | if (s->gc_used == GC_POINTED_TO) | |
2231 | { | |
c849df63 | 2232 | type_p * param = s->u.param_struct.param; |
1f3233d1 | 2233 | type_p stru = s->u.param_struct.stru; |
2234 | ||
1f3233d1 | 2235 | /* Declare the marker procedure. */ |
573aba85 | 2236 | oprintf (header_file, "extern void gt_%s_", wtd->prefix); |
c849df63 | 2237 | output_mangled_typename (header_file, s); |
1a97be37 | 2238 | oprintf (header_file, " (void *);\n"); |
2239 | ||
1f3233d1 | 2240 | if (stru->u.s.line.file == NULL) |
2241 | { | |
1a97be37 | 2242 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
1f3233d1 | 2243 | s->u.s.tag); |
2244 | continue; | |
2245 | } | |
1a97be37 | 2246 | |
1f3233d1 | 2247 | if (stru->kind == TYPE_LANG_STRUCT) |
2248 | { | |
2249 | type_p ss; | |
2250 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
573aba85 | 2251 | write_func_for_structure (s, ss, param, wtd); |
2252 | } | |
2253 | else | |
2254 | write_func_for_structure (s, stru, param, wtd); | |
2255 | } | |
2256 | } | |
2257 | ||
2258 | static const struct write_types_data ggc_wtd = | |
2259 | { | |
2260 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, | |
2261 | "GC marker procedures. " | |
2262 | }; | |
2263 | ||
2264 | static const struct write_types_data pch_wtd = | |
2265 | { | |
2266 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", | |
2267 | "gt_pch_note_reorder", | |
2268 | "PCH type-walking procedures. " | |
2269 | }; | |
2270 | ||
2271 | /* Write out the local pointer-walking routines. */ | |
2272 | ||
2273 | /* process_field routine for local pointer-walking. */ | |
2274 | ||
2275 | static void | |
1a97be37 | 2276 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
573aba85 | 2277 | { |
2278 | switch (f->kind) | |
2279 | { | |
2280 | case TYPE_POINTER: | |
2281 | case TYPE_STRUCT: | |
2282 | case TYPE_UNION: | |
2283 | case TYPE_LANG_STRUCT: | |
2284 | case TYPE_PARAM_STRUCT: | |
2285 | case TYPE_STRING: | |
2286 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
2287 | d->prev_val[3]); | |
2288 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
2289 | break; | |
2290 | ||
2291 | case TYPE_SCALAR: | |
2292 | break; | |
1a97be37 | 2293 | |
573aba85 | 2294 | default: |
e0a4c0c2 | 2295 | gcc_unreachable (); |
573aba85 | 2296 | } |
2297 | } | |
2298 | ||
2299 | /* For S, a structure that's part of ORIG_S, and using parameters | |
2300 | PARAM, write out a routine that: | |
2301 | - Is of type gt_note_pointers | |
c39ed964 | 2302 | - Calls PROCESS_FIELD on each field of S or its substructures. |
573aba85 | 2303 | */ |
2304 | ||
2305 | static void | |
1a97be37 | 2306 | write_local_func_for_structure (type_p orig_s, type_p s, type_p *param) |
573aba85 | 2307 | { |
2308 | const char *fn = s->u.s.line.file; | |
2309 | int i; | |
2310 | struct walk_type_data d; | |
1a97be37 | 2311 | |
573aba85 | 2312 | /* This is a hack, and not the good kind either. */ |
2313 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
1a97be37 | 2314 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
573aba85 | 2315 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2316 | fn = param[i]->u.p->u.s.line.file; | |
1a97be37 | 2317 | |
573aba85 | 2318 | memset (&d, 0, sizeof (d)); |
2319 | d.of = get_output_file_with_visibility (fn); | |
1a97be37 | 2320 | |
573aba85 | 2321 | d.process_field = write_types_local_process_field; |
2322 | d.opt = s->u.s.opt; | |
2323 | d.line = &s->u.s.line; | |
2324 | d.bitmap = s->u.s.bitmap; | |
2325 | d.param = param; | |
2326 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
21dda4ee | 2327 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
573aba85 | 2328 | d.prev_val[3] = "x"; |
2329 | d.val = "(*x)"; | |
c39ed964 | 2330 | d.fn_wants_lvalue = true; |
573aba85 | 2331 | |
2332 | oprintf (d.of, "\n"); | |
2333 | oprintf (d.of, "void\n"); | |
2334 | oprintf (d.of, "gt_pch_p_"); | |
2335 | output_mangled_typename (d.of, orig_s); | |
9a03a746 | 2336 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
2337 | "\tvoid *x_p,\n" | |
2338 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
2339 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
573aba85 | 2340 | oprintf (d.of, "{\n"); |
2341 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
2342 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
2343 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
2344 | d.indent = 2; | |
2345 | walk_type (s, &d); | |
2346 | oprintf (d.of, "}\n"); | |
2347 | } | |
2348 | ||
2349 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
2350 | ||
2351 | static void | |
1a97be37 | 2352 | write_local (type_p structures, type_p param_structs) |
573aba85 | 2353 | { |
2354 | type_p s; | |
1a97be37 | 2355 | |
573aba85 | 2356 | oprintf (header_file, "\n/* Local pointer-walking routines. */\n"); |
2357 | for (s = structures; s; s = s->next) | |
2358 | if (s->gc_used == GC_POINTED_TO | |
2359 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2360 | { | |
2361 | options_p opt; | |
1a97be37 | 2362 | |
573aba85 | 2363 | if (s->u.s.line.file == NULL) |
2364 | continue; | |
2365 | ||
2366 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2367 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2368 | { | |
2369 | type_p t = (type_p) opt->info; | |
1a97be37 | 2370 | if (t->kind == TYPE_STRUCT |
573aba85 | 2371 | || t->kind == TYPE_UNION |
2372 | || t->kind == TYPE_LANG_STRUCT) | |
2373 | { | |
2374 | oprintf (header_file, "#define gt_pch_p_"); | |
2375 | output_mangled_typename (header_file, s); | |
2376 | oprintf (header_file, " gt_pch_p_"); | |
2377 | output_mangled_typename (header_file, t); | |
2378 | oprintf (header_file, "\n"); | |
2379 | } | |
2380 | else | |
1a97be37 | 2381 | error_at_line (&s->u.s.line, |
573aba85 | 2382 | "structure alias is not a structure"); |
2383 | break; | |
2384 | } | |
2385 | if (opt) | |
2386 | continue; | |
2387 | ||
2388 | /* Declare the marker procedure only once. */ | |
2389 | oprintf (header_file, "extern void gt_pch_p_"); | |
2390 | output_mangled_typename (header_file, s); | |
1a97be37 | 2391 | oprintf (header_file, |
2392 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2393 | ||
573aba85 | 2394 | if (s->kind == TYPE_LANG_STRUCT) |
2395 | { | |
2396 | type_p ss; | |
2397 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2398 | write_local_func_for_structure (s, ss, NULL); | |
2399 | } | |
2400 | else | |
2401 | write_local_func_for_structure (s, s, NULL); | |
2402 | } | |
2403 | ||
2404 | for (s = param_structs; s; s = s->next) | |
2405 | if (s->gc_used == GC_POINTED_TO) | |
2406 | { | |
2407 | type_p * param = s->u.param_struct.param; | |
2408 | type_p stru = s->u.param_struct.stru; | |
2409 | ||
2410 | /* Declare the marker procedure. */ | |
2411 | oprintf (header_file, "extern void gt_pch_p_"); | |
2412 | output_mangled_typename (header_file, s); | |
1a97be37 | 2413 | oprintf (header_file, |
2414 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2415 | ||
573aba85 | 2416 | if (stru->u.s.line.file == NULL) |
2417 | { | |
1a97be37 | 2418 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
573aba85 | 2419 | s->u.s.tag); |
2420 | continue; | |
2421 | } | |
1a97be37 | 2422 | |
573aba85 | 2423 | if (stru->kind == TYPE_LANG_STRUCT) |
2424 | { | |
2425 | type_p ss; | |
2426 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
2427 | write_local_func_for_structure (s, ss, param); | |
1f3233d1 | 2428 | } |
2429 | else | |
573aba85 | 2430 | write_local_func_for_structure (s, stru, param); |
c849df63 | 2431 | } |
2432 | } | |
2433 | ||
2434 | /* Write out the 'enum' definition for gt_types_enum. */ | |
2435 | ||
2436 | static void | |
00775b04 | 2437 | write_enum_defn (type_p structures, type_p param_structs) |
c849df63 | 2438 | { |
2439 | type_p s; | |
1a97be37 | 2440 | |
c849df63 | 2441 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
2442 | oprintf (header_file, "enum gt_types_enum {\n"); | |
2443 | for (s = structures; s; s = s->next) | |
2444 | if (s->gc_used == GC_POINTED_TO | |
2445 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2446 | { | |
2447 | if (s->gc_used == GC_MAYBE_POINTED_TO | |
2448 | && s->u.s.line.file == NULL) | |
2449 | continue; | |
2450 | ||
2451 | oprintf (header_file, " gt_ggc_e_"); | |
2452 | output_mangled_typename (header_file, s); | |
2453 | oprintf (header_file, ", \n"); | |
1f3233d1 | 2454 | } |
c849df63 | 2455 | for (s = param_structs; s; s = s->next) |
2456 | if (s->gc_used == GC_POINTED_TO) | |
2457 | { | |
2458 | oprintf (header_file, " gt_e_"); | |
2459 | output_mangled_typename (header_file, s); | |
2460 | oprintf (header_file, ", \n"); | |
2461 | } | |
2462 | oprintf (header_file, " gt_types_enum_last\n"); | |
2463 | oprintf (header_file, "};\n"); | |
1f3233d1 | 2464 | } |
2465 | ||
573aba85 | 2466 | /* Might T contain any non-pointer elements? */ |
2467 | ||
2468 | static int | |
1a97be37 | 2469 | contains_scalar_p (type_p t) |
573aba85 | 2470 | { |
2471 | switch (t->kind) | |
2472 | { | |
2473 | case TYPE_STRING: | |
2474 | case TYPE_POINTER: | |
2475 | return 0; | |
2476 | case TYPE_ARRAY: | |
2477 | return contains_scalar_p (t->u.a.p); | |
2478 | default: | |
2479 | /* Could also check for structures that have no non-pointer | |
2480 | fields, but there aren't enough of those to worry about. */ | |
2481 | return 1; | |
2482 | } | |
2483 | } | |
c849df63 | 2484 | |
155e048d | 2485 | /* Mangle FN and print it to F. */ |
2486 | ||
1f3233d1 | 2487 | static void |
1a97be37 | 2488 | put_mangled_filename (outf_p f, const char *fn) |
1f3233d1 | 2489 | { |
2490 | const char *name = get_output_file_name (fn); | |
2491 | for (; *name != 0; name++) | |
74863452 | 2492 | if (ISALNUM (*name)) |
92570e7a | 2493 | oprintf (f, "%c", *name); |
1f3233d1 | 2494 | else |
92570e7a | 2495 | oprintf (f, "%c", '_'); |
1f3233d1 | 2496 | } |
2497 | ||
155e048d | 2498 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
2499 | LASTNAME, and NAME are all strings to insert in various places in | |
2500 | the resulting code. */ | |
2501 | ||
1f3233d1 | 2502 | static void |
1a97be37 | 2503 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
2504 | const char *tname, const char *name) | |
1f3233d1 | 2505 | { |
2506 | struct flist *fli2; | |
1a97be37 | 2507 | |
1f3233d1 | 2508 | for (fli2 = flp; fli2; fli2 = fli2->next) |
2509 | if (fli2->started_p) | |
2510 | { | |
92570e7a | 2511 | oprintf (fli2->f, " %s\n", lastname); |
2512 | oprintf (fli2->f, "};\n\n"); | |
1f3233d1 | 2513 | } |
2514 | ||
2515 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
2516 | if (fli2->started_p) | |
2517 | { | |
2518 | lang_bitmap bitmap = get_base_file_bitmap (fli2->name); | |
2519 | int fnum; | |
2520 | ||
2521 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
2522 | if (bitmap & 1) | |
2523 | { | |
92570e7a | 2524 | oprintf (base_files[fnum], |
573aba85 | 2525 | "extern const struct %s gt_%s_", |
1f3233d1 | 2526 | tname, pfx); |
2527 | put_mangled_filename (base_files[fnum], fli2->name); | |
92570e7a | 2528 | oprintf (base_files[fnum], "[];\n"); |
1f3233d1 | 2529 | } |
2530 | } | |
1a97be37 | 2531 | |
573aba85 | 2532 | { |
2533 | size_t fnum; | |
2534 | for (fnum = 0; fnum < NUM_BASE_FILES; fnum++) | |
2535 | oprintf (base_files [fnum], | |
2536 | "const struct %s * const %s[] = {\n", | |
2537 | tname, name); | |
2538 | } | |
1a97be37 | 2539 | |
1f3233d1 | 2540 | |
2541 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
2542 | if (fli2->started_p) | |
2543 | { | |
2544 | lang_bitmap bitmap = get_base_file_bitmap (fli2->name); | |
2545 | int fnum; | |
2546 | ||
2547 | fli2->started_p = 0; | |
2548 | ||
2549 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
2550 | if (bitmap & 1) | |
2551 | { | |
573aba85 | 2552 | oprintf (base_files[fnum], " gt_%s_", pfx); |
1f3233d1 | 2553 | put_mangled_filename (base_files[fnum], fli2->name); |
92570e7a | 2554 | oprintf (base_files[fnum], ",\n"); |
1f3233d1 | 2555 | } |
2556 | } | |
2557 | ||
2558 | { | |
573aba85 | 2559 | size_t fnum; |
2560 | for (fnum = 0; fnum < NUM_BASE_FILES; fnum++) | |
2561 | { | |
2562 | oprintf (base_files[fnum], " NULL\n"); | |
2563 | oprintf (base_files[fnum], "};\n"); | |
2564 | } | |
1f3233d1 | 2565 | } |
2566 | } | |
2567 | ||
155e048d | 2568 | /* Write out to F the table entry and any marker routines needed to |
2569 | mark NAME as TYPE. The original variable is V, at LINE. | |
2570 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED | |
2571 | is nonzero iff we are building the root table for hash table caches. */ | |
2572 | ||
1f3233d1 | 2573 | static void |
1a97be37 | 2574 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
2575 | struct fileloc *line, const char *if_marked) | |
1f3233d1 | 2576 | { |
2577 | switch (type->kind) | |
2578 | { | |
2579 | case TYPE_STRUCT: | |
2580 | { | |
2581 | pair_p fld; | |
2582 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
2583 | { | |
2584 | int skip_p = 0; | |
2585 | const char *desc = NULL; | |
2586 | options_p o; | |
1a97be37 | 2587 | |
1f3233d1 | 2588 | for (o = fld->opt; o; o = o->next) |
2589 | if (strcmp (o->name, "skip") == 0) | |
2590 | skip_p = 1; | |
2591 | else if (strcmp (o->name, "desc") == 0) | |
a070a3bd | 2592 | desc = o->info; |
1f3233d1 | 2593 | else |
2594 | error_at_line (line, | |
2595 | "field `%s' of global `%s' has unknown option `%s'", | |
2596 | fld->name, name, o->name); | |
1a97be37 | 2597 | |
1f3233d1 | 2598 | if (skip_p) |
2599 | continue; | |
2600 | else if (desc && fld->type->kind == TYPE_UNION) | |
2601 | { | |
2602 | pair_p validf = NULL; | |
2603 | pair_p ufld; | |
1a97be37 | 2604 | |
1f3233d1 | 2605 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
2606 | { | |
2607 | const char *tag = NULL; | |
2608 | options_p oo; | |
1a97be37 | 2609 | |
1f3233d1 | 2610 | for (oo = ufld->opt; oo; oo = oo->next) |
2611 | if (strcmp (oo->name, "tag") == 0) | |
a070a3bd | 2612 | tag = oo->info; |
1f3233d1 | 2613 | if (tag == NULL || strcmp (tag, desc) != 0) |
2614 | continue; | |
2615 | if (validf != NULL) | |
1a97be37 | 2616 | error_at_line (line, |
1f3233d1 | 2617 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
2618 | name, fld->name, validf->name, | |
2619 | name, fld->name, ufld->name, | |
2620 | tag); | |
2621 | validf = ufld; | |
2622 | } | |
2623 | if (validf != NULL) | |
2624 | { | |
2625 | char *newname; | |
1a97be37 | 2626 | newname = xasprintf ("%s.%s.%s", |
92570e7a | 2627 | name, fld->name, validf->name); |
573aba85 | 2628 | write_root (f, v, validf->type, newname, 0, line, |
2629 | if_marked); | |
1f3233d1 | 2630 | free (newname); |
2631 | } | |
2632 | } | |
2633 | else if (desc) | |
1a97be37 | 2634 | error_at_line (line, |
1f3233d1 | 2635 | "global `%s.%s' has `desc' option but is not union", |
2636 | name, fld->name); | |
2637 | else | |
2638 | { | |
2639 | char *newname; | |
92570e7a | 2640 | newname = xasprintf ("%s.%s", name, fld->name); |
573aba85 | 2641 | write_root (f, v, fld->type, newname, 0, line, if_marked); |
1f3233d1 | 2642 | free (newname); |
2643 | } | |
2644 | } | |
2645 | } | |
2646 | break; | |
2647 | ||
2648 | case TYPE_ARRAY: | |
2649 | { | |
2650 | char *newname; | |
92570e7a | 2651 | newname = xasprintf ("%s[0]", name); |
573aba85 | 2652 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked); |
1f3233d1 | 2653 | free (newname); |
2654 | } | |
2655 | break; | |
1a97be37 | 2656 | |
1f3233d1 | 2657 | case TYPE_POINTER: |
2658 | { | |
2659 | type_p ap, tp; | |
1a97be37 | 2660 | |
92570e7a | 2661 | oprintf (f, " {\n"); |
2662 | oprintf (f, " &%s,\n", name); | |
2663 | oprintf (f, " 1"); | |
1a97be37 | 2664 | |
1f3233d1 | 2665 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
2666 | if (ap->u.a.len[0]) | |
92570e7a | 2667 | oprintf (f, " * (%s)", ap->u.a.len); |
1f3233d1 | 2668 | else if (ap == v->type) |
0480d780 | 2669 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); |
92570e7a | 2670 | oprintf (f, ",\n"); |
2671 | oprintf (f, " sizeof (%s", v->name); | |
1f3233d1 | 2672 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
92570e7a | 2673 | oprintf (f, "[0]"); |
2674 | oprintf (f, "),\n"); | |
1a97be37 | 2675 | |
1f3233d1 | 2676 | tp = type->u.p; |
1a97be37 | 2677 | |
1f3233d1 | 2678 | if (! has_length && UNION_OR_STRUCT_P (tp)) |
2679 | { | |
573aba85 | 2680 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
2681 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
1f3233d1 | 2682 | } |
2683 | else if (! has_length && tp->kind == TYPE_PARAM_STRUCT) | |
2684 | { | |
c849df63 | 2685 | oprintf (f, " >_ggc_m_"); |
2686 | output_mangled_typename (f, tp); | |
573aba85 | 2687 | oprintf (f, ",\n >_pch_n_"); |
2688 | output_mangled_typename (f, tp); | |
1f3233d1 | 2689 | } |
2690 | else if (has_length | |
e6baa273 | 2691 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
1f3233d1 | 2692 | { |
573aba85 | 2693 | oprintf (f, " >_ggc_ma_%s,\n", name); |
2694 | oprintf (f, " >_pch_na_%s", name); | |
1f3233d1 | 2695 | } |
2696 | else | |
2697 | { | |
1a97be37 | 2698 | error_at_line (line, |
1f3233d1 | 2699 | "global `%s' is pointer to unimplemented type", |
2700 | name); | |
2701 | } | |
2702 | if (if_marked) | |
92570e7a | 2703 | oprintf (f, ",\n &%s", if_marked); |
2704 | oprintf (f, "\n },\n"); | |
1f3233d1 | 2705 | } |
2706 | break; | |
2707 | ||
1f3233d1 | 2708 | case TYPE_STRING: |
573aba85 | 2709 | { |
2710 | oprintf (f, " {\n"); | |
2711 | oprintf (f, " &%s,\n", name); | |
2712 | oprintf (f, " 1, \n"); | |
2713 | oprintf (f, " sizeof (%s),\n", v->name); | |
2714 | oprintf (f, " >_ggc_m_S,\n"); | |
b41d328d | 2715 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
573aba85 | 2716 | oprintf (f, " },\n"); |
2717 | } | |
2718 | break; | |
1a97be37 | 2719 | |
573aba85 | 2720 | case TYPE_SCALAR: |
1f3233d1 | 2721 | break; |
1a97be37 | 2722 | |
1f3233d1 | 2723 | default: |
1a97be37 | 2724 | error_at_line (line, |
1f3233d1 | 2725 | "global `%s' is unimplemented type", |
2726 | name); | |
2727 | } | |
2728 | } | |
2729 | ||
573aba85 | 2730 | /* This generates a routine to walk an array. */ |
2731 | ||
2732 | static void | |
1a97be37 | 2733 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
573aba85 | 2734 | { |
2735 | struct walk_type_data d; | |
2736 | char *prevval3; | |
1a97be37 | 2737 | |
573aba85 | 2738 | memset (&d, 0, sizeof (d)); |
2739 | d.of = f; | |
2740 | d.cookie = wtd; | |
2741 | d.indent = 2; | |
2742 | d.line = &v->line; | |
2743 | d.opt = v->opt; | |
2744 | d.bitmap = get_base_file_bitmap (v->line.file); | |
2745 | d.param = NULL; | |
2746 | ||
2747 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
2748 | ||
2749 | if (wtd->param_prefix) | |
2750 | { | |
2751 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
1a97be37 | 2752 | oprintf (f, |
2753 | " (void *, void *, gt_pointer_operator, void *);\n"); | |
9a03a746 | 2754 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
573aba85 | 2755 | wtd->param_prefix, v->name); |
9a03a746 | 2756 | oprintf (d.of, |
2757 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
2758 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
2759 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
573aba85 | 2760 | oprintf (d.of, "{\n"); |
2761 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
2762 | d.process_field = write_types_local_process_field; | |
2763 | walk_type (v->type, &d); | |
2764 | oprintf (f, "}\n\n"); | |
2765 | } | |
2766 | ||
2767 | d.opt = v->opt; | |
1a97be37 | 2768 | oprintf (f, "static void gt_%sa_%s (void *);\n", |
573aba85 | 2769 | wtd->prefix, v->name); |
9a03a746 | 2770 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
573aba85 | 2771 | wtd->prefix, v->name); |
573aba85 | 2772 | oprintf (f, "{\n"); |
2773 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
2774 | d.process_field = write_types_process_field; | |
2775 | walk_type (v->type, &d); | |
2776 | free (prevval3); | |
2777 | oprintf (f, "}\n\n"); | |
2778 | } | |
2779 | ||
155e048d | 2780 | /* Output a table describing the locations and types of VARIABLES. */ |
2781 | ||
1f3233d1 | 2782 | static void |
1a97be37 | 2783 | write_roots (pair_p variables) |
1f3233d1 | 2784 | { |
2785 | pair_p v; | |
2786 | struct flist *flp = NULL; | |
2787 | ||
2788 | for (v = variables; v; v = v->next) | |
2789 | { | |
92570e7a | 2790 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 2791 | struct flist *fli; |
2792 | const char *length = NULL; | |
2793 | int deletable_p = 0; | |
2794 | options_p o; | |
2795 | ||
2796 | for (o = v->opt; o; o = o->next) | |
2797 | if (strcmp (o->name, "length") == 0) | |
a070a3bd | 2798 | length = o->info; |
1f3233d1 | 2799 | else if (strcmp (o->name, "deletable") == 0) |
2800 | deletable_p = 1; | |
2801 | else if (strcmp (o->name, "param_is") == 0) | |
2802 | ; | |
1a97be37 | 2803 | else if (strncmp (o->name, "param", 5) == 0 |
c849df63 | 2804 | && ISDIGIT (o->name[5]) |
2805 | && strcmp (o->name + 6, "_is") == 0) | |
2806 | ; | |
1f3233d1 | 2807 | else if (strcmp (o->name, "if_marked") == 0) |
2808 | ; | |
2809 | else | |
1a97be37 | 2810 | error_at_line (&v->line, |
1f3233d1 | 2811 | "global `%s' has unknown option `%s'", |
2812 | v->name, o->name); | |
2813 | ||
2814 | for (fli = flp; fli; fli = fli->next) | |
2815 | if (fli->f == f) | |
2816 | break; | |
2817 | if (fli == NULL) | |
2818 | { | |
9318f22c | 2819 | fli = XNEW (struct flist); |
1f3233d1 | 2820 | fli->f = f; |
2821 | fli->next = flp; | |
2822 | fli->started_p = 0; | |
2823 | fli->name = v->line.file; | |
2824 | flp = fli; | |
2825 | ||
92570e7a | 2826 | oprintf (f, "\n/* GC roots. */\n\n"); |
1f3233d1 | 2827 | } |
2828 | ||
2829 | if (! deletable_p | |
2830 | && length | |
2831 | && v->type->kind == TYPE_POINTER | |
2832 | && (v->type->u.p->kind == TYPE_POINTER | |
2833 | || v->type->u.p->kind == TYPE_STRUCT)) | |
2834 | { | |
573aba85 | 2835 | write_array (f, v, &ggc_wtd); |
2836 | write_array (f, v, &pch_wtd); | |
1f3233d1 | 2837 | } |
2838 | } | |
2839 | ||
2840 | for (v = variables; v; v = v->next) | |
2841 | { | |
92570e7a | 2842 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 2843 | struct flist *fli; |
2844 | int skip_p = 0; | |
2845 | int length_p = 0; | |
2846 | options_p o; | |
1a97be37 | 2847 | |
1f3233d1 | 2848 | for (o = v->opt; o; o = o->next) |
2849 | if (strcmp (o->name, "length") == 0) | |
2850 | length_p = 1; | |
2851 | else if (strcmp (o->name, "deletable") == 0 | |
2852 | || strcmp (o->name, "if_marked") == 0) | |
2853 | skip_p = 1; | |
2854 | ||
2855 | if (skip_p) | |
2856 | continue; | |
2857 | ||
2858 | for (fli = flp; fli; fli = fli->next) | |
2859 | if (fli->f == f) | |
2860 | break; | |
2861 | if (! fli->started_p) | |
2862 | { | |
2863 | fli->started_p = 1; | |
2864 | ||
92570e7a | 2865 | oprintf (f, "const struct ggc_root_tab gt_ggc_r_"); |
1f3233d1 | 2866 | put_mangled_filename (f, v->line.file); |
92570e7a | 2867 | oprintf (f, "[] = {\n"); |
1f3233d1 | 2868 | } |
2869 | ||
573aba85 | 2870 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); |
1f3233d1 | 2871 | } |
2872 | ||
1a97be37 | 2873 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
1f3233d1 | 2874 | "gt_ggc_rtab"); |
2875 | ||
2876 | for (v = variables; v; v = v->next) | |
2877 | { | |
92570e7a | 2878 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 2879 | struct flist *fli; |
2880 | int skip_p = 1; | |
2881 | options_p o; | |
2882 | ||
2883 | for (o = v->opt; o; o = o->next) | |
2884 | if (strcmp (o->name, "deletable") == 0) | |
2885 | skip_p = 0; | |
2886 | else if (strcmp (o->name, "if_marked") == 0) | |
2887 | skip_p = 1; | |
2888 | ||
2889 | if (skip_p) | |
2890 | continue; | |
2891 | ||
2892 | for (fli = flp; fli; fli = fli->next) | |
2893 | if (fli->f == f) | |
2894 | break; | |
2895 | if (! fli->started_p) | |
2896 | { | |
2897 | fli->started_p = 1; | |
2898 | ||
92570e7a | 2899 | oprintf (f, "const struct ggc_root_tab gt_ggc_rd_"); |
1f3233d1 | 2900 | put_mangled_filename (f, v->line.file); |
92570e7a | 2901 | oprintf (f, "[] = {\n"); |
1f3233d1 | 2902 | } |
1a97be37 | 2903 | |
573aba85 | 2904 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
1f3233d1 | 2905 | v->name, v->name); |
2906 | } | |
1a97be37 | 2907 | |
573aba85 | 2908 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
1f3233d1 | 2909 | "gt_ggc_deletable_rtab"); |
2910 | ||
2911 | for (v = variables; v; v = v->next) | |
2912 | { | |
92570e7a | 2913 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 2914 | struct flist *fli; |
2915 | const char *if_marked = NULL; | |
2916 | int length_p = 0; | |
2917 | options_p o; | |
1a97be37 | 2918 | |
1f3233d1 | 2919 | for (o = v->opt; o; o = o->next) |
2920 | if (strcmp (o->name, "length") == 0) | |
2921 | length_p = 1; | |
2922 | else if (strcmp (o->name, "if_marked") == 0) | |
a070a3bd | 2923 | if_marked = o->info; |
1f3233d1 | 2924 | |
2925 | if (if_marked == NULL) | |
2926 | continue; | |
2927 | ||
2928 | if (v->type->kind != TYPE_POINTER | |
2929 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
2930 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
2931 | { | |
2932 | error_at_line (&v->line, "if_marked option used but not hash table"); | |
2933 | continue; | |
2934 | } | |
2935 | ||
2936 | for (fli = flp; fli; fli = fli->next) | |
2937 | if (fli->f == f) | |
2938 | break; | |
2939 | if (! fli->started_p) | |
2940 | { | |
2941 | fli->started_p = 1; | |
2942 | ||
92570e7a | 2943 | oprintf (f, "const struct ggc_cache_tab gt_ggc_rc_"); |
1f3233d1 | 2944 | put_mangled_filename (f, v->line.file); |
92570e7a | 2945 | oprintf (f, "[] = {\n"); |
1f3233d1 | 2946 | } |
1a97be37 | 2947 | |
573aba85 | 2948 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
1f3233d1 | 2949 | v->name, length_p, &v->line, if_marked); |
2950 | } | |
1a97be37 | 2951 | |
573aba85 | 2952 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
1f3233d1 | 2953 | "gt_ggc_cache_rtab"); |
573aba85 | 2954 | |
2955 | for (v = variables; v; v = v->next) | |
2956 | { | |
2957 | outf_p f = get_output_file_with_visibility (v->line.file); | |
2958 | struct flist *fli; | |
2959 | int length_p = 0; | |
2960 | int if_marked_p = 0; | |
2961 | options_p o; | |
1a97be37 | 2962 | |
573aba85 | 2963 | for (o = v->opt; o; o = o->next) |
2964 | if (strcmp (o->name, "length") == 0) | |
2965 | length_p = 1; | |
2966 | else if (strcmp (o->name, "if_marked") == 0) | |
2967 | if_marked_p = 1; | |
2968 | ||
2969 | if (! if_marked_p) | |
2970 | continue; | |
2971 | ||
2972 | for (fli = flp; fli; fli = fli->next) | |
2973 | if (fli->f == f) | |
2974 | break; | |
2975 | if (! fli->started_p) | |
2976 | { | |
2977 | fli->started_p = 1; | |
2978 | ||
2979 | oprintf (f, "const struct ggc_root_tab gt_pch_rc_"); | |
2980 | put_mangled_filename (f, v->line.file); | |
2981 | oprintf (f, "[] = {\n"); | |
2982 | } | |
2983 | ||
2984 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); | |
2985 | } | |
1a97be37 | 2986 | |
573aba85 | 2987 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
2988 | "gt_pch_cache_rtab"); | |
2989 | ||
2990 | for (v = variables; v; v = v->next) | |
2991 | { | |
2992 | outf_p f = get_output_file_with_visibility (v->line.file); | |
2993 | struct flist *fli; | |
2994 | int skip_p = 0; | |
2995 | options_p o; | |
2996 | ||
2997 | for (o = v->opt; o; o = o->next) | |
2998 | if (strcmp (o->name, "deletable") == 0 | |
2999 | || strcmp (o->name, "if_marked") == 0) | |
3000 | skip_p = 1; | |
3001 | ||
3002 | if (skip_p) | |
3003 | continue; | |
3004 | ||
3005 | if (! contains_scalar_p (v->type)) | |
3006 | continue; | |
3007 | ||
3008 | for (fli = flp; fli; fli = fli->next) | |
3009 | if (fli->f == f) | |
3010 | break; | |
3011 | if (! fli->started_p) | |
3012 | { | |
3013 | fli->started_p = 1; | |
3014 | ||
3015 | oprintf (f, "const struct ggc_root_tab gt_pch_rs_"); | |
3016 | put_mangled_filename (f, v->line.file); | |
3017 | oprintf (f, "[] = {\n"); | |
3018 | } | |
1a97be37 | 3019 | |
573aba85 | 3020 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
3021 | v->name, v->name); | |
3022 | } | |
1a97be37 | 3023 | |
573aba85 | 3024 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3025 | "gt_pch_scalar_rtab"); | |
1f3233d1 | 3026 | } |
3027 | ||
3028 | \f | |
1a97be37 | 3029 | extern int main (int argc, char **argv); |
3030 | int | |
9a03a746 | 3031 | main(int ARG_UNUSED (argc), char ** ARG_UNUSED (argv)) |
1f3233d1 | 3032 | { |
776c30b8 | 3033 | unsigned i; |
1f3233d1 | 3034 | static struct fileloc pos = { __FILE__, __LINE__ }; |
776c30b8 | 3035 | unsigned j; |
1a97be37 | 3036 | |
c849df63 | 3037 | gen_rtx_next (); |
3038 | ||
776c30b8 | 3039 | srcdir_len = strlen (srcdir); |
1f3233d1 | 3040 | |
c849df63 | 3041 | do_scalar_typedef ("CUMULATIVE_ARGS", &pos); |
3042 | do_scalar_typedef ("REAL_VALUE_TYPE", &pos); | |
99748102 | 3043 | do_scalar_typedef ("double_int", &pos); |
c849df63 | 3044 | do_scalar_typedef ("uint8", &pos); |
3045 | do_scalar_typedef ("jword", &pos); | |
3046 | do_scalar_typedef ("JCF_u2", &pos); | |
512e0fec | 3047 | #ifdef USE_MAPPED_LOCATION |
3048 | do_scalar_typedef ("location_t", &pos); | |
3049 | do_scalar_typedef ("source_locus", &pos); | |
3050 | #endif | |
5496dbfc | 3051 | do_scalar_typedef ("void", &pos); |
3052 | ||
3053 | do_typedef ("PTR", create_pointer (resolve_typedef ("void", &pos)), &pos); | |
c849df63 | 3054 | |
cb5c5698 | 3055 | do_typedef ("HARD_REG_SET", create_array ( |
3056 | create_scalar_type ("unsigned long", strlen ("unsigned long")), | |
3057 | "2"), &pos); | |
3058 | ||
776c30b8 | 3059 | for (i = 0; i < NUM_GT_FILES; i++) |
3060 | { | |
3061 | int dupflag = 0; | |
3062 | /* Omit if already seen. */ | |
3063 | for (j = 0; j < i; j++) | |
3064 | { | |
3065 | if (!strcmp (all_files[i], all_files[j])) | |
3066 | { | |
3067 | dupflag = 1; | |
3068 | break; | |
3069 | } | |
3070 | } | |
3071 | if (!dupflag) | |
3072 | parse_file (all_files[i]); | |
512e0fec | 3073 | #ifndef USE_MAPPED_LOCATION |
3074 | /* temporary kludge - gengtype doesn't handle conditionals. | |
dac49aa5 | 3075 | Manually add source_locus *after* we've processed input.h. */ |
512e0fec | 3076 | if (i == 0) |
3077 | do_typedef ("source_locus", create_pointer (resolve_typedef ("location_t", &pos)), &pos); | |
3078 | #endif | |
776c30b8 | 3079 | } |
1f3233d1 | 3080 | |
3081 | if (hit_error != 0) | |
3082 | exit (1); | |
3083 | ||
3084 | set_gc_used (variables); | |
3085 | ||
3086 | open_base_files (); | |
c849df63 | 3087 | write_enum_defn (structures, param_structs); |
573aba85 | 3088 | write_types (structures, param_structs, &ggc_wtd); |
3089 | write_types (structures, param_structs, &pch_wtd); | |
3090 | write_local (structures, param_structs); | |
3091 | write_roots (variables); | |
c849df63 | 3092 | write_rtx_next (); |
1f3233d1 | 3093 | close_output_files (); |
3094 | ||
3095 | return (hit_error != 0); | |
3096 | } |