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e2500fed | 1 | /* Process source files and output type information. |
6bc7bc14 | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 |
62e5bf5d | 3 | Free Software Foundation, Inc. |
e2500fed | 4 | |
9dcd6f09 | 5 | This file is part of GCC. |
e2500fed | 6 | |
9dcd6f09 NC |
7 | GCC is free software; you can redistribute it and/or modify it under |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 3, or (at your option) any later | |
10 | version. | |
e2500fed | 11 | |
9dcd6f09 NC |
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
e2500fed | 16 | |
9dcd6f09 NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
e2500fed | 20 | |
4977bab6 | 21 | #include "bconfig.h" |
e2500fed | 22 | #include "system.h" |
e2500fed | 23 | #include "gengtype.h" |
4a399aef | 24 | #include "errors.h" /* for fatal */ |
df582833 | 25 | #include "double-int.h" |
5ba6918e | 26 | |
065ae611 ZW |
27 | /* Data types, macros, etc. used only in this file. */ |
28 | ||
29 | /* Kinds of types we can understand. */ | |
30 | enum typekind { | |
31 | TYPE_SCALAR, | |
32 | TYPE_STRING, | |
33 | TYPE_STRUCT, | |
34 | TYPE_UNION, | |
35 | TYPE_POINTER, | |
36 | TYPE_ARRAY, | |
37 | TYPE_LANG_STRUCT, | |
38 | TYPE_PARAM_STRUCT | |
39 | }; | |
40 | ||
41 | typedef unsigned lang_bitmap; | |
42 | ||
43 | /* A way to pass data through to the output end. */ | |
44 | struct options | |
45 | { | |
46 | struct options *next; | |
47 | const char *name; | |
48 | const char *info; | |
49 | }; | |
50 | ||
51 | /* Option data for the 'nested_ptr' option. */ | |
52 | struct nested_ptr_data | |
53 | { | |
54 | type_p type; | |
55 | const char *convert_to; | |
56 | const char *convert_from; | |
57 | }; | |
58 | ||
59 | /* A name and a type. */ | |
60 | struct pair | |
61 | { | |
62 | pair_p next; | |
63 | const char *name; | |
64 | type_p type; | |
65 | struct fileloc line; | |
66 | options_p opt; | |
67 | }; | |
68 | ||
69 | #define NUM_PARAM 10 | |
70 | ||
71 | /* A description of a type. */ | |
72 | enum gc_used_enum | |
73 | { | |
74 | GC_UNUSED = 0, | |
75 | GC_USED, | |
76 | GC_MAYBE_POINTED_TO, | |
77 | GC_POINTED_TO | |
78 | }; | |
79 | ||
80 | struct type | |
81 | { | |
82 | enum typekind kind; | |
83 | type_p next; | |
84 | type_p pointer_to; | |
85 | enum gc_used_enum gc_used; | |
86 | union { | |
87 | type_p p; | |
88 | struct { | |
89 | const char *tag; | |
90 | struct fileloc line; | |
91 | pair_p fields; | |
92 | options_p opt; | |
93 | lang_bitmap bitmap; | |
94 | type_p lang_struct; | |
95 | } s; | |
96 | bool scalar_is_char; | |
97 | struct { | |
98 | type_p p; | |
99 | const char *len; | |
100 | } a; | |
101 | struct { | |
102 | type_p stru; | |
103 | type_p param[NUM_PARAM]; | |
104 | struct fileloc line; | |
105 | } param_struct; | |
106 | } u; | |
107 | }; | |
108 | ||
109 | #define UNION_P(x) \ | |
110 | ((x)->kind == TYPE_UNION || \ | |
111 | ((x)->kind == TYPE_LANG_STRUCT \ | |
112 | && (x)->u.s.lang_struct->kind == TYPE_UNION)) | |
113 | #define UNION_OR_STRUCT_P(x) \ | |
114 | ((x)->kind == TYPE_UNION \ | |
115 | || (x)->kind == TYPE_STRUCT \ | |
116 | || (x)->kind == TYPE_LANG_STRUCT) | |
117 | ||
118 | /* Structure representing an output file. */ | |
119 | struct outf | |
120 | { | |
121 | struct outf *next; | |
122 | const char *name; | |
123 | size_t buflength; | |
124 | size_t bufused; | |
125 | char *buf; | |
126 | }; | |
127 | typedef struct outf * outf_p; | |
128 | ||
129 | /* An output file, suitable for definitions, that can see declarations | |
130 | made in INPUT_FILE and is linked into every language that uses | |
131 | INPUT_FILE. */ | |
132 | extern outf_p get_output_file_with_visibility | |
133 | (const char *input_file); | |
134 | const char *get_output_file_name (const char *); | |
135 | ||
065ae611 ZW |
136 | /* Print, like fprintf, to O. */ |
137 | static void oprintf (outf_p o, const char *S, ...) | |
138 | ATTRIBUTE_PRINTF_2; | |
139 | ||
140 | /* The list of output files. */ | |
141 | static outf_p output_files; | |
142 | ||
143 | /* The output header file that is included into pretty much every | |
144 | source file. */ | |
145 | static outf_p header_file; | |
146 | ||
11a67599 ZW |
147 | /* Source directory. */ |
148 | static const char *srcdir; | |
065ae611 ZW |
149 | |
150 | /* Length of srcdir name. */ | |
8de8de02 | 151 | static size_t srcdir_len = 0; |
065ae611 | 152 | |
065ae611 | 153 | static outf_p create_file (const char *, const char *); |
8de8de02 | 154 | |
065ae611 | 155 | static const char * get_file_basename (const char *); |
8de8de02 OH |
156 | static const char * get_file_realbasename (const char *); |
157 | static const char * get_file_srcdir_relative_path (const char *); | |
158 | ||
159 | static int get_prefix_langdir_index (const char *); | |
160 | static const char * get_file_langdir (const char *); | |
065ae611 ZW |
161 | |
162 | \f | |
9f313342 | 163 | /* Nonzero iff an error has occurred. */ |
01d419ae | 164 | bool hit_error = false; |
9f313342 | 165 | |
3d7aafde AJ |
166 | static void gen_rtx_next (void); |
167 | static void write_rtx_next (void); | |
168 | static void open_base_files (void); | |
169 | static void close_output_files (void); | |
ef171ead | 170 | |
9f313342 GK |
171 | /* Report an error at POS, printing MSG. */ |
172 | ||
e2500fed | 173 | void |
e34d07f2 | 174 | error_at_line (struct fileloc *pos, const char *msg, ...) |
e2500fed | 175 | { |
e34d07f2 | 176 | va_list ap; |
3d7aafde | 177 | |
e34d07f2 | 178 | va_start (ap, msg); |
e2500fed GK |
179 | |
180 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
181 | vfprintf (stderr, msg, ap); | |
182 | fputc ('\n', stderr); | |
01d419ae | 183 | hit_error = true; |
e2500fed | 184 | |
e34d07f2 | 185 | va_end (ap); |
e2500fed GK |
186 | } |
187 | ||
065ae611 | 188 | /* asprintf, but produces fatal message on out-of-memory. */ |
01d419ae | 189 | char * |
e34d07f2 | 190 | xasprintf (const char *format, ...) |
e03856fe | 191 | { |
065ae611 | 192 | int n; |
e03856fe | 193 | char *result; |
e34d07f2 | 194 | va_list ap; |
3d7aafde | 195 | |
e34d07f2 | 196 | va_start (ap, format); |
065ae611 ZW |
197 | n = vasprintf (&result, format, ap); |
198 | if (result == NULL || n < 0) | |
199 | fatal ("out of memory"); | |
e34d07f2 | 200 | va_end (ap); |
065ae611 | 201 | |
e03856fe GK |
202 | return result; |
203 | } | |
11a67599 ZW |
204 | \f |
205 | /* Input file handling. */ | |
206 | ||
207 | /* Table of all input files. */ | |
208 | static const char **gt_files; | |
209 | static size_t num_gt_files; | |
210 | ||
01d419ae ZW |
211 | /* A number of places use the name of this file for a location for |
212 | things that we can't rely on the source to define. Make sure we | |
213 | can still use pointer comparison on filenames. */ | |
214 | static const char this_file[] = __FILE__; | |
215 | ||
11a67599 ZW |
216 | /* Vector of per-language directories. */ |
217 | static const char **lang_dir_names; | |
218 | static size_t num_lang_dirs; | |
219 | ||
220 | /* An array of output files suitable for definitions. There is one | |
221 | BASE_FILES entry for each language. */ | |
222 | static outf_p *base_files; | |
223 | ||
224 | /* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff | |
225 | INPUT_FILE is used by <lang>. | |
226 | ||
227 | This function should be written to assume that a file _is_ used | |
228 | if the situation is unclear. If it wrongly assumes a file _is_ used, | |
229 | a linker error will result. If it wrongly assumes a file _is not_ used, | |
230 | some GC roots may be missed, which is a much harder-to-debug problem. | |
231 | ||
232 | The relevant bitmap is stored immediately before the file's name in the | |
233 | buffer set up by read_input_list. It may be unaligned, so we have to | |
234 | read it byte-by-byte. */ | |
e03856fe | 235 | |
11a67599 ZW |
236 | static lang_bitmap |
237 | get_lang_bitmap (const char *gtfile) | |
238 | { | |
01d419ae ZW |
239 | |
240 | if (gtfile == this_file) | |
241 | /* Things defined in this file are universal. */ | |
242 | return (((lang_bitmap)1) << num_lang_dirs) - 1; | |
243 | else | |
244 | { | |
245 | lang_bitmap n = 0; | |
246 | int i; | |
247 | for (i = -(int) sizeof (lang_bitmap); i < 0; i++) | |
248 | n = (n << CHAR_BIT) + (unsigned char)gtfile[i]; | |
249 | return n; | |
250 | } | |
11a67599 ZW |
251 | } |
252 | ||
253 | /* Set the bitmap returned by get_lang_bitmap. The only legitimate | |
254 | caller of this function is read_input_list. */ | |
255 | static void | |
256 | set_lang_bitmap (char *gtfile, lang_bitmap n) | |
257 | { | |
258 | int i; | |
259 | for (i = -1; i >= -(int) sizeof (lang_bitmap); i--) | |
260 | { | |
261 | gtfile[i] = n & ((1U << CHAR_BIT)-1); | |
262 | n >>= CHAR_BIT; | |
263 | } | |
264 | } | |
265 | ||
266 | /* Scan the input file, LIST, and determine how much space we need to | |
267 | store strings in. Also, count the number of language directories | |
268 | and files. The numbers returned are overestimates as they does not | |
269 | consider repeated files. */ | |
270 | static size_t | |
271 | measure_input_list (FILE *list) | |
272 | { | |
273 | size_t n = 0; | |
274 | int c; | |
275 | bool atbol = true; | |
276 | num_lang_dirs = 0; | |
277 | num_gt_files = 0; | |
278 | while ((c = getc (list)) != EOF) | |
279 | { | |
280 | n++; | |
281 | if (atbol) | |
282 | { | |
283 | if (c == '[') | |
284 | num_lang_dirs++; | |
285 | else | |
286 | { | |
287 | /* Add space for a lang_bitmap before the input file name. */ | |
288 | n += sizeof (lang_bitmap); | |
289 | num_gt_files++; | |
290 | } | |
291 | atbol = false; | |
292 | } | |
293 | ||
294 | if (c == '\n') | |
295 | atbol = true; | |
296 | } | |
297 | ||
298 | rewind (list); | |
299 | return n; | |
300 | } | |
301 | ||
302 | /* Read one input line from LIST to HEREP (which is updated). A | |
303 | pointer to the string is returned via LINEP. If it was a language | |
304 | subdirectory in square brackets, strip off the square brackets and | |
305 | return true. Otherwise, leave space before the string for a | |
306 | lang_bitmap, and return false. At EOF, returns false, does not | |
307 | touch *HEREP, and sets *LINEP to NULL. POS is used for | |
308 | diagnostics. */ | |
309 | static bool | |
310 | read_input_line (FILE *list, char **herep, char **linep, | |
311 | struct fileloc *pos) | |
312 | { | |
313 | char *here = *herep; | |
314 | char *line; | |
315 | int c = getc (list); | |
316 | ||
1b77ee03 MM |
317 | /* Read over whitespace. */ |
318 | while (c == '\n' || c == ' ') | |
319 | c = getc (list); | |
320 | ||
11a67599 ZW |
321 | if (c == EOF) |
322 | { | |
323 | *linep = 0; | |
324 | return false; | |
325 | } | |
326 | else if (c == '[') | |
327 | { | |
328 | /* No space for a lang_bitmap is necessary. Discard the '['. */ | |
329 | c = getc (list); | |
330 | line = here; | |
331 | while (c != ']' && c != '\n' && c != EOF) | |
332 | { | |
333 | *here++ = c; | |
334 | c = getc (list); | |
335 | } | |
336 | *here++ = '\0'; | |
337 | ||
338 | if (c == ']') | |
339 | { | |
340 | c = getc (list); /* eat what should be a newline */ | |
341 | if (c != '\n' && c != EOF) | |
342 | error_at_line (pos, "junk on line after language tag [%s]", line); | |
343 | } | |
344 | else | |
345 | error_at_line (pos, "missing close bracket for language tag [%s", line); | |
346 | ||
347 | *herep = here; | |
348 | *linep = line; | |
349 | return true; | |
350 | } | |
351 | else | |
352 | { | |
353 | /* Leave space for a lang_bitmap. */ | |
354 | memset (here, 0, sizeof (lang_bitmap)); | |
355 | here += sizeof (lang_bitmap); | |
356 | line = here; | |
357 | do | |
358 | { | |
359 | *here++ = c; | |
360 | c = getc (list); | |
361 | } | |
362 | while (c != EOF && c != '\n'); | |
363 | *here++ = '\0'; | |
364 | *herep = here; | |
365 | *linep = line; | |
366 | return false; | |
367 | } | |
368 | } | |
369 | ||
370 | /* Read the list of input files from LIST and compute all of the | |
371 | relevant tables. There is one file per line of the list. At | |
372 | first, all the files on the list are language-generic, but | |
373 | eventually a line will appear which is the name of a language | |
374 | subdirectory in square brackets, like this: [cp]. All subsequent | |
375 | files are specific to that language, until another language | |
376 | subdirectory tag appears. Files can appear more than once, if | |
377 | they apply to more than one language. */ | |
378 | static void | |
379 | read_input_list (const char *listname) | |
380 | { | |
381 | FILE *list = fopen (listname, "r"); | |
382 | if (!list) | |
383 | fatal ("cannot open %s: %s", listname, strerror (errno)); | |
384 | else | |
385 | { | |
386 | struct fileloc epos; | |
387 | size_t bufsz = measure_input_list (list); | |
388 | char *buf = XNEWVEC (char, bufsz); | |
389 | char *here = buf; | |
390 | char *committed = buf; | |
391 | char *limit = buf + bufsz; | |
392 | char *line; | |
393 | bool is_language; | |
394 | size_t langno = 0; | |
395 | size_t nfiles = 0; | |
396 | lang_bitmap curlangs = (1 << num_lang_dirs) - 1; | |
397 | ||
398 | epos.file = listname; | |
399 | epos.line = 0; | |
400 | ||
401 | lang_dir_names = XNEWVEC (const char *, num_lang_dirs); | |
402 | gt_files = XNEWVEC (const char *, num_gt_files); | |
403 | ||
404 | for (;;) | |
405 | { | |
406 | next_line: | |
407 | epos.line++; | |
408 | committed = here; | |
409 | is_language = read_input_line (list, &here, &line, &epos); | |
410 | gcc_assert (here <= limit); | |
411 | if (line == 0) | |
412 | break; | |
413 | else if (is_language) | |
414 | { | |
415 | size_t i; | |
416 | gcc_assert (langno <= num_lang_dirs); | |
417 | for (i = 0; i < langno; i++) | |
418 | if (strcmp (lang_dir_names[i], line) == 0) | |
419 | { | |
420 | error_at_line (&epos, "duplicate language tag [%s]", line); | |
421 | curlangs = 1 << i; | |
422 | here = committed; | |
423 | goto next_line; | |
424 | } | |
425 | ||
426 | curlangs = 1 << langno; | |
427 | lang_dir_names[langno++] = line; | |
428 | } | |
429 | else | |
430 | { | |
431 | size_t i; | |
432 | gcc_assert (nfiles <= num_gt_files); | |
433 | for (i = 0; i < nfiles; i++) | |
434 | if (strcmp (gt_files[i], line) == 0) | |
435 | { | |
436 | /* Throw away the string we just read, and add the | |
437 | current language to the existing string's bitmap. */ | |
438 | lang_bitmap bmap = get_lang_bitmap (gt_files[i]); | |
439 | if (bmap & curlangs) | |
440 | error_at_line (&epos, "file %s specified more than once " | |
441 | "for language %s", line, langno == 0 | |
442 | ? "(all)" | |
443 | : lang_dir_names[langno - 1]); | |
444 | ||
445 | bmap |= curlangs; | |
7cbb2a85 | 446 | set_lang_bitmap (CONST_CAST(char *, gt_files[i]), bmap); |
11a67599 ZW |
447 | here = committed; |
448 | goto next_line; | |
449 | } | |
450 | ||
451 | set_lang_bitmap (line, curlangs); | |
452 | gt_files[nfiles++] = line; | |
453 | } | |
454 | } | |
455 | /* Update the global counts now that we know accurately how many | |
456 | things there are. (We do not bother resizing the arrays down.) */ | |
457 | num_lang_dirs = langno; | |
458 | num_gt_files = nfiles; | |
459 | } | |
460 | ||
461 | /* Sanity check: any file that resides in a language subdirectory | |
462 | (e.g. 'cp') ought to belong to the corresponding language. | |
463 | ??? Still true if for instance ObjC++ is enabled and C++ isn't? | |
464 | (Can you even do that? Should you be allowed to?) */ | |
465 | { | |
466 | size_t f; | |
467 | for (f = 0; f < num_gt_files; f++) | |
468 | { | |
469 | lang_bitmap bitmap = get_lang_bitmap (gt_files[f]); | |
470 | const char *basename = get_file_basename (gt_files[f]); | |
471 | const char *slashpos = strchr (basename, '/'); | |
472 | ||
473 | if (slashpos) | |
474 | { | |
475 | size_t l; | |
476 | for (l = 0; l < num_lang_dirs; l++) | |
477 | if ((size_t)(slashpos - basename) == strlen (lang_dir_names [l]) | |
478 | && memcmp (basename, lang_dir_names[l], | |
479 | strlen (lang_dir_names[l])) == 0) | |
480 | { | |
481 | if (!(bitmap & (1 << l))) | |
482 | error ("%s is in language directory '%s' but is not " | |
483 | "tagged for that language", | |
484 | basename, lang_dir_names[l]); | |
485 | break; | |
486 | } | |
487 | } | |
488 | } | |
489 | } | |
490 | ||
491 | if (ferror (list)) | |
492 | fatal ("error reading %s: %s", listname, strerror (errno)); | |
493 | ||
494 | fclose (list); | |
495 | } | |
496 | ||
497 | ||
498 | \f | |
9f313342 GK |
499 | /* The one and only TYPE_STRING. */ |
500 | ||
95161faf ZW |
501 | static struct type string_type = { |
502 | TYPE_STRING, 0, 0, GC_USED, {0} | |
503 | }; | |
504 | ||
505 | /* The two and only TYPE_SCALARs. Their u.scalar_is_char flags are | |
506 | set to appropriate values at the beginning of main. */ | |
507 | ||
508 | static struct type scalar_nonchar = { | |
509 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
510 | }; | |
511 | static struct type scalar_char = { | |
512 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
3d7aafde | 513 | }; |
e2500fed | 514 | |
9f313342 GK |
515 | /* Lists of various things. */ |
516 | ||
e2500fed GK |
517 | static pair_p typedefs; |
518 | static type_p structures; | |
519 | static type_p param_structs; | |
520 | static pair_p variables; | |
521 | ||
3d7aafde AJ |
522 | static type_p find_param_structure |
523 | (type_p t, type_p param[NUM_PARAM]); | |
524 | static type_p adjust_field_tree_exp (type_p t, options_p opt); | |
525 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
36a5eadd | 526 | |
9f313342 GK |
527 | /* Define S as a typedef to T at POS. */ |
528 | ||
e2500fed | 529 | void |
3d7aafde | 530 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
e2500fed GK |
531 | { |
532 | pair_p p; | |
533 | ||
2d593c86 TT |
534 | /* temporary kludge - gengtype doesn't handle conditionals or |
535 | macros. Ignore any attempt to typedef CUMULATIVE_ARGS, unless it | |
536 | is coming from this file (main() sets them up with safe dummy | |
537 | definitions). */ | |
538 | if (!strcmp (s, "CUMULATIVE_ARGS") && pos->file != this_file) | |
01d419ae ZW |
539 | return; |
540 | ||
e2500fed GK |
541 | for (p = typedefs; p != NULL; p = p->next) |
542 | if (strcmp (p->name, s) == 0) | |
543 | { | |
544 | if (p->type != t) | |
545 | { | |
546 | error_at_line (pos, "type `%s' previously defined", s); | |
547 | error_at_line (&p->line, "previously defined here"); | |
548 | } | |
549 | return; | |
550 | } | |
551 | ||
5d038c4c | 552 | p = XNEW (struct pair); |
e2500fed GK |
553 | p->next = typedefs; |
554 | p->name = s; | |
555 | p->type = t; | |
556 | p->line = *pos; | |
557 | typedefs = p; | |
558 | } | |
559 | ||
95161faf ZW |
560 | /* Define S as a typename of a scalar. Cannot be used to define |
561 | typedefs of 'char'. Note: is also used for pointer-to-function | |
562 | typedefs (which are therefore not treated as pointers). */ | |
36a5eadd | 563 | |
95161faf | 564 | void |
3d7aafde | 565 | do_scalar_typedef (const char *s, struct fileloc *pos) |
36a5eadd | 566 | { |
95161faf | 567 | do_typedef (s, &scalar_nonchar, pos); |
36a5eadd GK |
568 | } |
569 | ||
e34bb004 | 570 | /* Return the type previously defined for S. Use POS to report errors. */ |
9f313342 | 571 | |
e2500fed | 572 | type_p |
3d7aafde | 573 | resolve_typedef (const char *s, struct fileloc *pos) |
e2500fed GK |
574 | { |
575 | pair_p p; | |
576 | for (p = typedefs; p != NULL; p = p->next) | |
577 | if (strcmp (p->name, s) == 0) | |
578 | return p->type; | |
579 | error_at_line (pos, "unidentified type `%s'", s); | |
95161faf | 580 | return &scalar_nonchar; /* treat as "int" */ |
e2500fed GK |
581 | } |
582 | ||
0f01f026 RS |
583 | /* Create and return a new structure with tag NAME (or a union iff |
584 | ISUNION is nonzero), at POS with fields FIELDS and options O. */ | |
9f313342 | 585 | |
0f01f026 | 586 | type_p |
3d7aafde AJ |
587 | new_structure (const char *name, int isunion, struct fileloc *pos, |
588 | pair_p fields, options_p o) | |
e2500fed GK |
589 | { |
590 | type_p si; | |
591 | type_p s = NULL; | |
11a67599 | 592 | lang_bitmap bitmap = get_lang_bitmap (pos->file); |
e2500fed | 593 | |
01d419ae ZW |
594 | /* temporary kludge - gengtype doesn't handle conditionals or |
595 | macros. Ignore any attempt to define struct location_s, unless | |
596 | it is coming from this file (main() sets it up safely). */ | |
597 | if (!strcmp (name, "location_s") && !isunion | |
598 | && pos->file != this_file) | |
599 | return find_structure (name, 0); | |
600 | ||
e2500fed | 601 | for (si = structures; si != NULL; si = si->next) |
3d7aafde | 602 | if (strcmp (name, si->u.s.tag) == 0 |
e2500fed GK |
603 | && UNION_P (si) == isunion) |
604 | { | |
605 | type_p ls = NULL; | |
606 | if (si->kind == TYPE_LANG_STRUCT) | |
607 | { | |
608 | ls = si; | |
3d7aafde | 609 | |
e2500fed GK |
610 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
611 | if (si->u.s.bitmap == bitmap) | |
612 | s = si; | |
613 | } | |
614 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
615 | { | |
616 | ls = si; | |
5d038c4c | 617 | si = XCNEW (struct type); |
e2500fed GK |
618 | memcpy (si, ls, sizeof (struct type)); |
619 | ls->kind = TYPE_LANG_STRUCT; | |
620 | ls->u.s.lang_struct = si; | |
621 | ls->u.s.fields = NULL; | |
622 | si->next = NULL; | |
623 | si->pointer_to = NULL; | |
624 | si->u.s.lang_struct = ls; | |
625 | } | |
626 | else | |
627 | s = si; | |
628 | ||
629 | if (ls != NULL && s == NULL) | |
630 | { | |
5d038c4c | 631 | s = XCNEW (struct type); |
e2500fed GK |
632 | s->next = ls->u.s.lang_struct; |
633 | ls->u.s.lang_struct = s; | |
634 | s->u.s.lang_struct = ls; | |
635 | } | |
636 | break; | |
637 | } | |
3d7aafde | 638 | |
e2500fed GK |
639 | if (s == NULL) |
640 | { | |
5d038c4c | 641 | s = XCNEW (struct type); |
e2500fed GK |
642 | s->next = structures; |
643 | structures = s; | |
644 | } | |
645 | ||
646 | if (s->u.s.line.file != NULL | |
647 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
648 | { | |
01d419ae ZW |
649 | error_at_line (pos, "duplicate definition of '%s %s'", |
650 | isunion ? "union" : "struct", s->u.s.tag); | |
e2500fed GK |
651 | error_at_line (&s->u.s.line, "previous definition here"); |
652 | } | |
653 | ||
654 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
655 | s->u.s.tag = name; | |
656 | s->u.s.line = *pos; | |
657 | s->u.s.fields = fields; | |
658 | s->u.s.opt = o; | |
659 | s->u.s.bitmap = bitmap; | |
660 | if (s->u.s.lang_struct) | |
661 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
0f01f026 | 662 | |
01d419ae ZW |
663 | /* Reset location_s's location to input.h so that we know where to |
664 | write out its mark routine. */ | |
665 | if (!strcmp (name, "location_s") && !isunion | |
666 | && pos->file == this_file) | |
667 | { | |
668 | size_t n; | |
669 | for (n = 0; n < num_gt_files; n++) | |
670 | if (!strcmp (gt_files[n] + strlen (gt_files[n]) - strlen ("input.h"), | |
671 | "input.h")) | |
672 | { | |
673 | s->u.s.line.file = gt_files[n]; | |
674 | break; | |
675 | } | |
676 | } | |
677 | ||
678 | return s; | |
e2500fed GK |
679 | } |
680 | ||
9f313342 GK |
681 | /* Return the previously-defined structure with tag NAME (or a union |
682 | iff ISUNION is nonzero), or a new empty structure or union if none | |
683 | was defined previously. */ | |
684 | ||
e2500fed | 685 | type_p |
3d7aafde | 686 | find_structure (const char *name, int isunion) |
e2500fed GK |
687 | { |
688 | type_p s; | |
689 | ||
690 | for (s = structures; s != NULL; s = s->next) | |
3d7aafde | 691 | if (strcmp (name, s->u.s.tag) == 0 |
e2500fed GK |
692 | && UNION_P (s) == isunion) |
693 | return s; | |
694 | ||
5d038c4c | 695 | s = XCNEW (struct type); |
e2500fed GK |
696 | s->next = structures; |
697 | structures = s; | |
698 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
699 | s->u.s.tag = name; | |
700 | structures = s; | |
701 | return s; | |
702 | } | |
703 | ||
272d0bee KH |
704 | /* Return the previously-defined parameterized structure for structure |
705 | T and parameters PARAM, or a new parameterized empty structure or | |
991b6592 | 706 | union if none was defined previously. */ |
36a5eadd GK |
707 | |
708 | static type_p | |
3d7aafde | 709 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
36a5eadd GK |
710 | { |
711 | type_p res; | |
3d7aafde | 712 | |
36a5eadd GK |
713 | for (res = param_structs; res; res = res->next) |
714 | if (res->u.param_struct.stru == t | |
3d7aafde | 715 | && memcmp (res->u.param_struct.param, param, |
36a5eadd GK |
716 | sizeof (type_p) * NUM_PARAM) == 0) |
717 | break; | |
718 | if (res == NULL) | |
719 | { | |
5d038c4c | 720 | res = XCNEW (struct type); |
36a5eadd GK |
721 | res->kind = TYPE_PARAM_STRUCT; |
722 | res->next = param_structs; | |
723 | param_structs = res; | |
724 | res->u.param_struct.stru = t; | |
725 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
726 | } | |
727 | return res; | |
728 | } | |
729 | ||
9f313342 GK |
730 | /* Return a scalar type with name NAME. */ |
731 | ||
e2500fed | 732 | type_p |
95161faf | 733 | create_scalar_type (const char *name) |
e2500fed | 734 | { |
95161faf ZW |
735 | if (!strcmp (name, "char") || !strcmp (name, "unsigned char")) |
736 | return &scalar_char; | |
737 | else | |
738 | return &scalar_nonchar; | |
e2500fed GK |
739 | } |
740 | ||
9f313342 GK |
741 | /* Return a pointer to T. */ |
742 | ||
e2500fed | 743 | type_p |
3d7aafde | 744 | create_pointer (type_p t) |
e2500fed GK |
745 | { |
746 | if (! t->pointer_to) | |
747 | { | |
5d038c4c | 748 | type_p r = XCNEW (struct type); |
e2500fed GK |
749 | r->kind = TYPE_POINTER; |
750 | r->u.p = t; | |
751 | t->pointer_to = r; | |
752 | } | |
753 | return t->pointer_to; | |
754 | } | |
755 | ||
9f313342 GK |
756 | /* Return an array of length LEN. */ |
757 | ||
e2500fed | 758 | type_p |
3d7aafde | 759 | create_array (type_p t, const char *len) |
e2500fed GK |
760 | { |
761 | type_p v; | |
3d7aafde | 762 | |
5d038c4c | 763 | v = XCNEW (struct type); |
e2500fed GK |
764 | v->kind = TYPE_ARRAY; |
765 | v->u.a.p = t; | |
766 | v->u.a.len = len; | |
767 | return v; | |
768 | } | |
769 | ||
0f01f026 RS |
770 | /* Return an options structure with name NAME and info INFO. NEXT is the |
771 | next option in the chain. */ | |
772 | ||
1431042e | 773 | options_p |
0f01f026 | 774 | create_option (options_p next, const char *name, const void *info) |
1431042e | 775 | { |
5d038c4c | 776 | options_p o = XNEW (struct options); |
0f01f026 | 777 | o->next = next; |
1431042e | 778 | o->name = name; |
9e2878cf | 779 | o->info = (const char*) info; |
1431042e ZW |
780 | return o; |
781 | } | |
782 | ||
17defa6a ZW |
783 | /* Return an options structure for a "nested_ptr" option. */ |
784 | options_p | |
065ae611 ZW |
785 | create_nested_ptr_option (options_p next, type_p t, |
786 | const char *to, const char *from) | |
17defa6a ZW |
787 | { |
788 | struct nested_ptr_data *d = XNEW (struct nested_ptr_data); | |
789 | ||
790 | d->type = adjust_field_type (t, 0); | |
791 | d->convert_to = to; | |
792 | d->convert_from = from; | |
065ae611 | 793 | return create_option (next, "nested_ptr", d); |
17defa6a ZW |
794 | } |
795 | ||
36a5eadd GK |
796 | /* Add a variable named S of type T with options O defined at POS, |
797 | to `variables'. */ | |
798 | ||
799 | void | |
3d7aafde | 800 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
36a5eadd GK |
801 | { |
802 | pair_p n; | |
5d038c4c | 803 | n = XNEW (struct pair); |
36a5eadd GK |
804 | n->name = s; |
805 | n->type = t; | |
806 | n->line = *pos; | |
807 | n->opt = o; | |
808 | n->next = variables; | |
809 | variables = n; | |
810 | } | |
811 | ||
065ae611 | 812 | /* Most-general structure field creator. */ |
0f01f026 | 813 | static pair_p |
065ae611 ZW |
814 | create_field_all (pair_p next, type_p type, const char *name, options_p opt, |
815 | const char *file, int line) | |
0f01f026 RS |
816 | { |
817 | pair_p field; | |
818 | ||
819 | field = XNEW (struct pair); | |
820 | field->next = next; | |
821 | field->type = type; | |
822 | field->name = name; | |
065ae611 ZW |
823 | field->opt = opt; |
824 | field->line.file = file; | |
825 | field->line.line = line; | |
0f01f026 RS |
826 | return field; |
827 | } | |
828 | ||
065ae611 ZW |
829 | /* Create a field that came from the source code we are scanning, |
830 | i.e. we have a 'struct fileloc', and possibly options; also, | |
831 | adjust_field_type should be called. */ | |
832 | pair_p | |
833 | create_field_at (pair_p next, type_p type, const char *name, options_p opt, | |
834 | struct fileloc *pos) | |
835 | { | |
836 | return create_field_all (next, adjust_field_type (type, opt), | |
837 | name, opt, pos->file, pos->line); | |
838 | } | |
839 | ||
840 | /* Create a fake field with the given type and name. NEXT is the next | |
841 | field in the chain. */ | |
842 | #define create_field(next,type,name) \ | |
01d419ae | 843 | create_field_all(next,type,name, 0, this_file, __LINE__) |
065ae611 | 844 | |
aacd3885 RS |
845 | /* Like create_field, but the field is only valid when condition COND |
846 | is true. */ | |
847 | ||
848 | static pair_p | |
065ae611 ZW |
849 | create_optional_field_ (pair_p next, type_p type, const char *name, |
850 | const char *cond, int line) | |
aacd3885 RS |
851 | { |
852 | static int id = 1; | |
065ae611 | 853 | pair_p union_fields; |
aacd3885 RS |
854 | type_p union_type; |
855 | ||
856 | /* Create a fake union type with a single nameless field of type TYPE. | |
857 | The field has a tag of "1". This allows us to make the presence | |
858 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
859 | union_fields = create_field (NULL, type, ""); | |
860 | union_fields->opt = create_option (union_fields->opt, "dot", ""); | |
861 | union_fields->opt = create_option (union_fields->opt, "tag", "1"); | |
862 | union_type = new_structure (xasprintf ("%s_%d", "fake_union", id++), 1, | |
863 | &lexer_line, union_fields, NULL); | |
864 | ||
865 | /* Create the field and give it the new fake union type. Add a "desc" | |
866 | tag that specifies the condition under which the field is valid. */ | |
065ae611 ZW |
867 | return create_field_all (next, union_type, name, |
868 | create_option (0, "desc", cond), | |
01d419ae | 869 | this_file, line); |
aacd3885 | 870 | } |
065ae611 ZW |
871 | #define create_optional_field(next,type,name,cond) \ |
872 | create_optional_field_(next,type,name,cond,__LINE__) | |
aacd3885 | 873 | |
01d419ae ZW |
874 | /* Reverse a linked list of 'struct pair's in place. */ |
875 | pair_p | |
876 | nreverse_pairs (pair_p list) | |
877 | { | |
878 | pair_p prev = 0, p, next; | |
879 | for (p = list; p; p = next) | |
880 | { | |
881 | next = p->next; | |
882 | p->next = prev; | |
883 | prev = p; | |
884 | } | |
885 | return prev; | |
886 | } | |
887 | ||
888 | \f | |
9e995780 | 889 | /* We don't care how long a CONST_DOUBLE is. */ |
36a5eadd | 890 | #define CONST_DOUBLE_FORMAT "ww" |
9e995780 ZW |
891 | /* We don't want to see codes that are only for generator files. */ |
892 | #undef GENERATOR_FILE | |
893 | ||
894 | enum rtx_code { | |
895 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , | |
896 | #include "rtl.def" | |
897 | #undef DEF_RTL_EXPR | |
898 | NUM_RTX_CODE | |
899 | }; | |
900 | ||
901 | static const char * const rtx_name[NUM_RTX_CODE] = { | |
902 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , | |
903 | #include "rtl.def" | |
904 | #undef DEF_RTL_EXPR | |
905 | }; | |
906 | ||
907 | static const char * const rtx_format[NUM_RTX_CODE] = { | |
36a5eadd GK |
908 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
909 | #include "rtl.def" | |
910 | #undef DEF_RTL_EXPR | |
911 | }; | |
912 | ||
5ba6918e | 913 | static int rtx_next_new[NUM_RTX_CODE]; |
36a5eadd | 914 | |
9e995780 ZW |
915 | /* We also need codes and names for insn notes (not register notes). |
916 | Note that we do *not* bias the note values here. */ | |
917 | enum insn_note { | |
918 | #define DEF_INSN_NOTE(NAME) NAME, | |
919 | #include "insn-notes.def" | |
920 | #undef DEF_INSN_NOTE | |
921 | ||
922 | NOTE_INSN_MAX | |
923 | }; | |
924 | ||
79e4e6a6 JW |
925 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
926 | default field for line number notes. */ | |
927 | static const char *const note_insn_name[NOTE_INSN_MAX+1] = { | |
9e995780 ZW |
928 | #define DEF_INSN_NOTE(NAME) #NAME, |
929 | #include "insn-notes.def" | |
930 | #undef DEF_INSN_NOTE | |
931 | }; | |
932 | ||
933 | #undef CONST_DOUBLE_FORMAT | |
934 | #define GENERATOR_FILE | |
935 | ||
36a5eadd GK |
936 | /* Generate the contents of the rtx_next array. This really doesn't belong |
937 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
938 | ||
939 | static void | |
3d7aafde | 940 | gen_rtx_next (void) |
36a5eadd GK |
941 | { |
942 | int i; | |
943 | for (i = 0; i < NUM_RTX_CODE; i++) | |
944 | { | |
945 | int k; | |
3d7aafde | 946 | |
5ba6918e | 947 | rtx_next_new[i] = -1; |
36a5eadd | 948 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
5ba6918e | 949 | rtx_next_new[i] = 2; |
36a5eadd | 950 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
5ba6918e | 951 | rtx_next_new[i] = 1; |
3d7aafde | 952 | else |
36a5eadd GK |
953 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
954 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
5ba6918e | 955 | rtx_next_new[i] = k; |
36a5eadd GK |
956 | } |
957 | } | |
958 | ||
959 | /* Write out the contents of the rtx_next array. */ | |
960 | static void | |
3d7aafde | 961 | write_rtx_next (void) |
36a5eadd GK |
962 | { |
963 | outf_p f = get_output_file_with_visibility (NULL); | |
964 | int i; | |
3d7aafde | 965 | |
36a5eadd | 966 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
6bc7bc14 | 967 | oprintf (f, "EXPORTED_CONST unsigned char rtx_next[NUM_RTX_CODE] = {\n"); |
36a5eadd | 968 | for (i = 0; i < NUM_RTX_CODE; i++) |
5ba6918e | 969 | if (rtx_next_new[i] == -1) |
36a5eadd GK |
970 | oprintf (f, " 0,\n"); |
971 | else | |
3d7aafde | 972 | oprintf (f, |
e1de1560 | 973 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", |
5ba6918e | 974 | rtx_next_new[i]); |
36a5eadd GK |
975 | oprintf (f, "};\n"); |
976 | } | |
977 | ||
978 | /* Handle `special("rtx_def")'. This is a special case for field | |
979 | `fld' of struct rtx_def, which is an array of unions whose values | |
980 | are based in a complex way on the type of RTL. */ | |
981 | ||
982 | static type_p | |
e18476eb | 983 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
36a5eadd GK |
984 | { |
985 | pair_p flds = NULL; | |
986 | options_p nodot; | |
987 | int i; | |
988 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
c185c797 | 989 | type_p bitmap_tp, basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
36a5eadd | 990 | |
e1de1560 | 991 | if (t->kind != TYPE_UNION) |
36a5eadd | 992 | { |
3d7aafde | 993 | error_at_line (&lexer_line, |
e1de1560 | 994 | "special `rtx_def' must be applied to a union"); |
36a5eadd GK |
995 | return &string_type; |
996 | } | |
3d7aafde | 997 | |
0f01f026 | 998 | nodot = create_option (NULL, "dot", ""); |
36a5eadd GK |
999 | |
1000 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
1001 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
1002 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
1003 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
a560d4d4 | 1004 | reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0)); |
36a5eadd GK |
1005 | bitmap_tp = create_pointer (find_structure ("bitmap_element_def", 0)); |
1006 | basic_block_tp = create_pointer (find_structure ("basic_block_def", 0)); | |
c185c797 | 1007 | constant_tp = create_pointer (find_structure ("constant_descriptor_rtx", 0)); |
95161faf | 1008 | scalar_tp = &scalar_nonchar; /* rtunion int */ |
36a5eadd GK |
1009 | |
1010 | { | |
1011 | pair_p note_flds = NULL; | |
1012 | int c; | |
5ba6918e | 1013 | |
9e995780 | 1014 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
36a5eadd | 1015 | { |
5ba6918e GK |
1016 | switch (c) |
1017 | { | |
5ba6918e | 1018 | case NOTE_INSN_MAX: |
1bcca2c5 | 1019 | case NOTE_INSN_DELETED_LABEL: |
0f01f026 | 1020 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
5ba6918e GK |
1021 | break; |
1022 | ||
1023 | case NOTE_INSN_BLOCK_BEG: | |
1024 | case NOTE_INSN_BLOCK_END: | |
0f01f026 | 1025 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
5ba6918e | 1026 | break; |
3d7aafde | 1027 | |
014a1138 | 1028 | case NOTE_INSN_VAR_LOCATION: |
0f01f026 | 1029 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
5ba6918e GK |
1030 | break; |
1031 | ||
1032 | default: | |
0f01f026 | 1033 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
5ba6918e GK |
1034 | break; |
1035 | } | |
0f01f026 RS |
1036 | /* NOTE_INSN_MAX is used as the default field for line |
1037 | number notes. */ | |
1038 | if (c == NOTE_INSN_MAX) | |
1039 | note_flds->opt = create_option (nodot, "default", ""); | |
1040 | else | |
1041 | note_flds->opt = create_option (nodot, "tag", note_insn_name[c]); | |
36a5eadd | 1042 | } |
0f01f026 RS |
1043 | note_union_tp = new_structure ("rtx_def_note_subunion", 1, |
1044 | &lexer_line, note_flds, NULL); | |
36a5eadd | 1045 | } |
c185c797 RS |
1046 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
1047 | { | |
1048 | pair_p sym_flds; | |
1049 | ||
1050 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); | |
1051 | sym_flds->opt = create_option (nodot, "default", ""); | |
1052 | ||
1053 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); | |
1054 | sym_flds->opt = create_option (nodot, "tag", "1"); | |
1055 | ||
1056 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1, | |
1057 | &lexer_line, sym_flds, NULL); | |
1058 | } | |
36a5eadd GK |
1059 | for (i = 0; i < NUM_RTX_CODE; i++) |
1060 | { | |
36a5eadd GK |
1061 | pair_p subfields = NULL; |
1062 | size_t aindex, nmindex; | |
1063 | const char *sname; | |
0f01f026 | 1064 | type_p substruct; |
36a5eadd GK |
1065 | char *ftag; |
1066 | ||
1067 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
1068 | { | |
36a5eadd GK |
1069 | type_p t; |
1070 | const char *subname; | |
1071 | ||
1072 | switch (rtx_format[i][aindex]) | |
1073 | { | |
1074 | case '*': | |
1075 | case 'i': | |
1076 | case 'n': | |
1077 | case 'w': | |
1078 | t = scalar_tp; | |
9ce88f5e | 1079 | subname = "rt_int"; |
36a5eadd GK |
1080 | break; |
1081 | ||
1082 | case '0': | |
1083 | if (i == MEM && aindex == 1) | |
9ce88f5e | 1084 | t = mem_attrs_tp, subname = "rt_mem"; |
6fb5fa3c | 1085 | else if (i == JUMP_INSN && aindex == 8) |
9ce88f5e | 1086 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd | 1087 | else if (i == CODE_LABEL && aindex == 4) |
9ce88f5e | 1088 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1089 | else if (i == CODE_LABEL && aindex == 5) |
9ce88f5e | 1090 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd GK |
1091 | else if (i == LABEL_REF |
1092 | && (aindex == 1 || aindex == 2)) | |
9ce88f5e | 1093 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd GK |
1094 | else if (i == NOTE && aindex == 4) |
1095 | t = note_union_tp, subname = ""; | |
a38e7aa5 JH |
1096 | else if (i == NOTE && aindex == 5) |
1097 | t = scalar_tp, subname = "rt_int"; | |
36a5eadd | 1098 | else if (i == NOTE && aindex >= 7) |
9ce88f5e | 1099 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1100 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
9ce88f5e | 1101 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1102 | else if (i == VALUE && aindex == 0) |
9ce88f5e | 1103 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1104 | else if (i == REG && aindex == 1) |
9ce88f5e | 1105 | t = scalar_tp, subname = "rt_int"; |
a560d4d4 | 1106 | else if (i == REG && aindex == 2) |
9ce88f5e | 1107 | t = reg_attrs_tp, subname = "rt_reg"; |
36a5eadd | 1108 | else if (i == SCRATCH && aindex == 0) |
9ce88f5e | 1109 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1110 | else if (i == SYMBOL_REF && aindex == 1) |
9ce88f5e | 1111 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1112 | else if (i == SYMBOL_REF && aindex == 2) |
c185c797 | 1113 | t = symbol_union_tp, subname = ""; |
36a5eadd | 1114 | else if (i == BARRIER && aindex >= 3) |
9ce88f5e | 1115 | t = scalar_tp, subname = "rt_int"; |
36a5eadd GK |
1116 | else |
1117 | { | |
3d7aafde | 1118 | error_at_line (&lexer_line, |
6d8dd940 AJ |
1119 | "rtx type `%s' has `0' in position %lu, can't handle", |
1120 | rtx_name[i], (unsigned long) aindex); | |
36a5eadd | 1121 | t = &string_type; |
9ce88f5e | 1122 | subname = "rt_int"; |
36a5eadd GK |
1123 | } |
1124 | break; | |
3d7aafde | 1125 | |
36a5eadd GK |
1126 | case 's': |
1127 | case 'S': | |
1128 | case 'T': | |
1129 | t = &string_type; | |
9ce88f5e | 1130 | subname = "rt_str"; |
36a5eadd GK |
1131 | break; |
1132 | ||
1133 | case 'e': | |
1134 | case 'u': | |
1135 | t = rtx_tp; | |
9ce88f5e | 1136 | subname = "rt_rtx"; |
36a5eadd GK |
1137 | break; |
1138 | ||
1139 | case 'E': | |
1140 | case 'V': | |
1141 | t = rtvec_tp; | |
9ce88f5e | 1142 | subname = "rt_rtvec"; |
36a5eadd GK |
1143 | break; |
1144 | ||
1145 | case 't': | |
1146 | t = tree_tp; | |
9ce88f5e | 1147 | subname = "rt_tree"; |
36a5eadd GK |
1148 | break; |
1149 | ||
1150 | case 'b': | |
1151 | t = bitmap_tp; | |
9ce88f5e | 1152 | subname = "rt_bit"; |
36a5eadd GK |
1153 | break; |
1154 | ||
1155 | case 'B': | |
1156 | t = basic_block_tp; | |
9ce88f5e | 1157 | subname = "rt_bb"; |
36a5eadd GK |
1158 | break; |
1159 | ||
1160 | default: | |
3d7aafde | 1161 | error_at_line (&lexer_line, |
6d8dd940 | 1162 | "rtx type `%s' has `%c' in position %lu, can't handle", |
36a5eadd | 1163 | rtx_name[i], rtx_format[i][aindex], |
6d8dd940 | 1164 | (unsigned long)aindex); |
36a5eadd | 1165 | t = &string_type; |
9ce88f5e | 1166 | subname = "rt_int"; |
36a5eadd GK |
1167 | break; |
1168 | } | |
1169 | ||
0f01f026 RS |
1170 | subfields = create_field (subfields, t, |
1171 | xasprintf (".fld[%lu].%s", | |
1172 | (unsigned long) aindex, | |
1173 | subname)); | |
1174 | subfields->opt = nodot; | |
36a5eadd | 1175 | if (t == note_union_tp) |
0f01f026 | 1176 | subfields->opt = create_option (subfields->opt, "desc", |
a38e7aa5 | 1177 | "NOTE_KIND (&%0)"); |
c185c797 RS |
1178 | if (t == symbol_union_tp) |
1179 | subfields->opt = create_option (subfields->opt, "desc", | |
1180 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
36a5eadd GK |
1181 | } |
1182 | ||
aacd3885 RS |
1183 | if (i == SYMBOL_REF) |
1184 | { | |
3fa9c136 | 1185 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P holds. */ |
aacd3885 | 1186 | type_p field_tp = find_structure ("block_symbol", 0); |
3fa9c136 RS |
1187 | subfields |
1188 | = create_optional_field (subfields, field_tp, "block_sym", | |
1189 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
aacd3885 RS |
1190 | } |
1191 | ||
36a5eadd | 1192 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0f01f026 RS |
1193 | substruct = new_structure (sname, 0, &lexer_line, subfields, NULL); |
1194 | ||
36a5eadd GK |
1195 | ftag = xstrdup (rtx_name[i]); |
1196 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
1197 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0f01f026 RS |
1198 | |
1199 | flds = create_field (flds, substruct, ""); | |
1200 | flds->opt = create_option (nodot, "tag", ftag); | |
36a5eadd GK |
1201 | } |
1202 | ||
0f01f026 | 1203 | return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1204 | } |
1205 | ||
1206 | /* Handle `special("tree_exp")'. This is a special case for | |
1207 | field `operands' of struct tree_exp, which although it claims to contain | |
3d7aafde | 1208 | pointers to trees, actually sometimes contains pointers to RTL too. |
36a5eadd GK |
1209 | Passed T, the old type of the field, and OPT its options. Returns |
1210 | a new type for the field. */ | |
1211 | ||
1212 | static type_p | |
3d7aafde | 1213 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
36a5eadd GK |
1214 | { |
1215 | pair_p flds; | |
1216 | options_p nodot; | |
3d7aafde | 1217 | |
36a5eadd GK |
1218 | if (t->kind != TYPE_ARRAY) |
1219 | { | |
3d7aafde | 1220 | error_at_line (&lexer_line, |
36a5eadd GK |
1221 | "special `tree_exp' must be applied to an array"); |
1222 | return &string_type; | |
1223 | } | |
3d7aafde | 1224 | |
0f01f026 RS |
1225 | nodot = create_option (NULL, "dot", ""); |
1226 | ||
1227 | flds = create_field (NULL, t, ""); | |
1228 | flds->opt = create_option (nodot, "length", | |
5039610b | 1229 | "TREE_OPERAND_LENGTH ((tree) &%0)"); |
0f01f026 | 1230 | flds->opt = create_option (flds->opt, "default", ""); |
3d7aafde | 1231 | |
0f01f026 | 1232 | return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1233 | } |
1234 | ||
9f313342 GK |
1235 | /* Perform any special processing on a type T, about to become the type |
1236 | of a field. Return the appropriate type for the field. | |
1237 | At present: | |
1238 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
1239 | - Similarly for arrays of pointer-to-char; | |
1240 | - Converts structures for which a parameter is provided to | |
36a5eadd GK |
1241 | TYPE_PARAM_STRUCT; |
1242 | - Handles "special" options. | |
3d7aafde | 1243 | */ |
9f313342 | 1244 | |
e2500fed | 1245 | type_p |
3d7aafde | 1246 | adjust_field_type (type_p t, options_p opt) |
e2500fed GK |
1247 | { |
1248 | int length_p = 0; | |
1249 | const int pointer_p = t->kind == TYPE_POINTER; | |
36a5eadd GK |
1250 | type_p params[NUM_PARAM]; |
1251 | int params_p = 0; | |
1252 | int i; | |
1253 | ||
1254 | for (i = 0; i < NUM_PARAM; i++) | |
1255 | params[i] = NULL; | |
3d7aafde | 1256 | |
e2500fed GK |
1257 | for (; opt; opt = opt->next) |
1258 | if (strcmp (opt->name, "length") == 0) | |
1259 | length_p = 1; | |
36a5eadd GK |
1260 | else if (strcmp (opt->name, "param_is") == 0 |
1261 | || (strncmp (opt->name, "param", 5) == 0 | |
1262 | && ISDIGIT (opt->name[5]) | |
1263 | && strcmp (opt->name + 6, "_is") == 0)) | |
e2500fed | 1264 | { |
36a5eadd | 1265 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
e2500fed | 1266 | |
36a5eadd GK |
1267 | if (! UNION_OR_STRUCT_P (t) |
1268 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) | |
1269 | { | |
3d7aafde | 1270 | error_at_line (&lexer_line, |
36a5eadd GK |
1271 | "option `%s' may only be applied to structures or structure pointers", |
1272 | opt->name); | |
1273 | return t; | |
1274 | } | |
1275 | ||
1276 | params_p = 1; | |
1277 | if (params[num] != NULL) | |
1278 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
1279 | if (! ISDIGIT (opt->name[5])) | |
7cbb2a85 | 1280 | params[num] = create_pointer (CONST_CAST2(type_p, const char *, opt->info)); |
36a5eadd | 1281 | else |
7cbb2a85 | 1282 | params[num] = CONST_CAST2 (type_p, const char *, opt->info); |
e2500fed | 1283 | } |
36a5eadd GK |
1284 | else if (strcmp (opt->name, "special") == 0) |
1285 | { | |
9e2878cf | 1286 | const char *special_name = opt->info; |
36a5eadd GK |
1287 | if (strcmp (special_name, "tree_exp") == 0) |
1288 | t = adjust_field_tree_exp (t, opt); | |
1289 | else if (strcmp (special_name, "rtx_def") == 0) | |
1290 | t = adjust_field_rtx_def (t, opt); | |
1291 | else | |
1292 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
1293 | } | |
1294 | ||
1295 | if (params_p) | |
1296 | { | |
1297 | type_p realt; | |
3d7aafde | 1298 | |
36a5eadd GK |
1299 | if (pointer_p) |
1300 | t = t->u.p; | |
1301 | realt = find_param_structure (t, params); | |
1302 | t = pointer_p ? create_pointer (realt) : realt; | |
1303 | } | |
1304 | ||
e2500fed GK |
1305 | if (! length_p |
1306 | && pointer_p | |
1307 | && t->u.p->kind == TYPE_SCALAR | |
95161faf | 1308 | && t->u.p->u.scalar_is_char) |
e2500fed GK |
1309 | return &string_type; |
1310 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
1311 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
95161faf | 1312 | && t->u.a.p->u.p->u.scalar_is_char) |
e2500fed GK |
1313 | return create_array (&string_type, t->u.a.len); |
1314 | ||
1315 | return t; | |
1316 | } | |
1317 | ||
e2500fed | 1318 | \f |
3d7aafde AJ |
1319 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
1320 | static void set_gc_used (pair_p); | |
e2500fed | 1321 | |
9f313342 GK |
1322 | /* Handle OPT for set_gc_used_type. */ |
1323 | ||
e2500fed | 1324 | static void |
3d7aafde | 1325 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
5932ca9d | 1326 | int *pass_param, int *length, int *skip, type_p *nested_ptr) |
e2500fed GK |
1327 | { |
1328 | options_p o; | |
1329 | for (o = opt; o; o = o->next) | |
1330 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
7cbb2a85 KG |
1331 | set_gc_used_type (CONST_CAST2 (type_p, const char *, o->info), |
1332 | GC_POINTED_TO, NULL); | |
e2500fed GK |
1333 | else if (strcmp (o->name, "maybe_undef") == 0) |
1334 | *maybe_undef = 1; | |
36a5eadd GK |
1335 | else if (strcmp (o->name, "use_params") == 0) |
1336 | *pass_param = 1; | |
1337 | else if (strcmp (o->name, "length") == 0) | |
1338 | *length = 1; | |
5932ca9d ZW |
1339 | else if (strcmp (o->name, "skip") == 0) |
1340 | *skip = 1; | |
d8044160 GK |
1341 | else if (strcmp (o->name, "nested_ptr") == 0) |
1342 | *nested_ptr = ((const struct nested_ptr_data *) o->info)->type; | |
e2500fed GK |
1343 | } |
1344 | ||
9f313342 GK |
1345 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
1346 | ||
e2500fed | 1347 | static void |
3d7aafde | 1348 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
e2500fed GK |
1349 | { |
1350 | if (t->gc_used >= level) | |
1351 | return; | |
3d7aafde | 1352 | |
e2500fed GK |
1353 | t->gc_used = level; |
1354 | ||
1355 | switch (t->kind) | |
1356 | { | |
1357 | case TYPE_STRUCT: | |
1358 | case TYPE_UNION: | |
1359 | { | |
1360 | pair_p f; | |
1361 | int dummy; | |
d8044160 | 1362 | type_p dummy2; |
e2500fed | 1363 | |
5932ca9d | 1364 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
d8044160 | 1365 | &dummy2); |
e2500fed GK |
1366 | |
1367 | for (f = t->u.s.fields; f; f = f->next) | |
1368 | { | |
1369 | int maybe_undef = 0; | |
36a5eadd GK |
1370 | int pass_param = 0; |
1371 | int length = 0; | |
5932ca9d | 1372 | int skip = 0; |
d8044160 | 1373 | type_p nested_ptr = NULL; |
36a5eadd | 1374 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
5932ca9d | 1375 | &length, &skip, &nested_ptr); |
3d7aafde | 1376 | |
d8044160 GK |
1377 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
1378 | set_gc_used_type (nested_ptr, GC_POINTED_TO, | |
1379 | pass_param ? param : NULL); | |
1380 | else if (length && f->type->kind == TYPE_POINTER) | |
36a5eadd GK |
1381 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
1382 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
1383 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
1384 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
1385 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
1386 | GC_POINTED_TO, NULL); | |
5932ca9d ZW |
1387 | else if (skip) |
1388 | ; /* target type is not used through this field */ | |
e2500fed | 1389 | else |
36a5eadd | 1390 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
e2500fed GK |
1391 | } |
1392 | break; | |
1393 | } | |
1394 | ||
1395 | case TYPE_POINTER: | |
36a5eadd | 1396 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
e2500fed GK |
1397 | break; |
1398 | ||
1399 | case TYPE_ARRAY: | |
36a5eadd | 1400 | set_gc_used_type (t->u.a.p, GC_USED, param); |
e2500fed | 1401 | break; |
3d7aafde | 1402 | |
e2500fed GK |
1403 | case TYPE_LANG_STRUCT: |
1404 | for (t = t->u.s.lang_struct; t; t = t->next) | |
36a5eadd | 1405 | set_gc_used_type (t, level, param); |
e2500fed GK |
1406 | break; |
1407 | ||
1408 | case TYPE_PARAM_STRUCT: | |
36a5eadd GK |
1409 | { |
1410 | int i; | |
1411 | for (i = 0; i < NUM_PARAM; i++) | |
1412 | if (t->u.param_struct.param[i] != 0) | |
1413 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
1414 | } | |
1415 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
1416 | level = GC_POINTED_TO; | |
1417 | else | |
1418 | level = GC_USED; | |
1419 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
3d7aafde | 1420 | set_gc_used_type (t->u.param_struct.stru, level, |
36a5eadd | 1421 | t->u.param_struct.param); |
e2500fed GK |
1422 | break; |
1423 | ||
1424 | default: | |
1425 | break; | |
1426 | } | |
1427 | } | |
1428 | ||
36a5eadd | 1429 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
9f313342 | 1430 | |
e2500fed | 1431 | static void |
3d7aafde | 1432 | set_gc_used (pair_p variables) |
e2500fed GK |
1433 | { |
1434 | pair_p p; | |
1435 | for (p = variables; p; p = p->next) | |
36a5eadd | 1436 | set_gc_used_type (p->type, GC_USED, NULL); |
e2500fed GK |
1437 | } |
1438 | \f | |
1439 | /* File mapping routines. For each input file, there is one output .c file | |
1440 | (but some output files have many input files), and there is one .h file | |
1441 | for the whole build. */ | |
1442 | ||
065ae611 | 1443 | /* Output file handling. */ |
e2500fed | 1444 | |
e03856fe GK |
1445 | /* Create and return an outf_p for a new file for NAME, to be called |
1446 | ONAME. */ | |
9f313342 | 1447 | |
e03856fe | 1448 | static outf_p |
3d7aafde | 1449 | create_file (const char *name, const char *oname) |
e2500fed GK |
1450 | { |
1451 | static const char *const hdr[] = { | |
9dcd6f09 | 1452 | " Copyright (C) 2004, 2007 Free Software Foundation, Inc.\n", |
e2500fed GK |
1453 | "\n", |
1454 | "This file is part of GCC.\n", | |
1455 | "\n", | |
1456 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1457 | "the terms of the GNU General Public License as published by the Free\n", | |
9dcd6f09 | 1458 | "Software Foundation; either version 3, or (at your option) any later\n", |
e2500fed GK |
1459 | "version.\n", |
1460 | "\n", | |
1461 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1462 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1463 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1464 | "for more details.\n", | |
1465 | "\n", | |
1466 | "You should have received a copy of the GNU General Public License\n", | |
9dcd6f09 NC |
1467 | "along with GCC; see the file COPYING3. If not see\n", |
1468 | "<http://www.gnu.org/licenses/>. */\n", | |
e2500fed GK |
1469 | "\n", |
1470 | "/* This file is machine generated. Do not edit. */\n" | |
1471 | }; | |
e03856fe | 1472 | outf_p f; |
e2500fed | 1473 | size_t i; |
3d7aafde | 1474 | |
5d038c4c | 1475 | f = XCNEW (struct outf); |
e03856fe GK |
1476 | f->next = output_files; |
1477 | f->name = oname; | |
1478 | output_files = f; | |
1479 | ||
1480 | oprintf (f, "/* Type information for %s.\n", name); | |
62c71f4b | 1481 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
e03856fe | 1482 | oprintf (f, "%s", hdr[i]); |
e2500fed GK |
1483 | return f; |
1484 | } | |
1485 | ||
311e3ff0 ZW |
1486 | /* Print, like fprintf, to O. |
1487 | N.B. You might think this could be implemented more efficiently | |
1488 | with vsnprintf(). Unfortunately, there are C libraries that | |
1489 | provide that function but without the C99 semantics for its return | |
1490 | value, making it impossible to know how much space is required. */ | |
3d7aafde | 1491 | void |
e34d07f2 | 1492 | oprintf (outf_p o, const char *format, ...) |
e03856fe | 1493 | { |
311e3ff0 | 1494 | char *s; |
e03856fe | 1495 | size_t slength; |
311e3ff0 | 1496 | va_list ap; |
3d7aafde | 1497 | |
311e3ff0 ZW |
1498 | va_start (ap, format); |
1499 | slength = vasprintf (&s, format, ap); | |
1500 | if (s == NULL || (int)slength < 0) | |
1501 | fatal ("out of memory"); | |
1502 | va_end (ap); | |
e03856fe | 1503 | |
311e3ff0 | 1504 | if (o->bufused + slength > o->buflength) |
e03856fe GK |
1505 | { |
1506 | size_t new_len = o->buflength; | |
1507 | if (new_len == 0) | |
1508 | new_len = 1024; | |
1509 | do { | |
1510 | new_len *= 2; | |
1511 | } while (o->bufused + slength >= new_len); | |
cca8ead2 | 1512 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
e03856fe GK |
1513 | o->buflength = new_len; |
1514 | } | |
311e3ff0 | 1515 | memcpy (o->buf + o->bufused, s, slength); |
e03856fe | 1516 | o->bufused += slength; |
311e3ff0 | 1517 | free (s); |
e03856fe GK |
1518 | } |
1519 | ||
9f313342 GK |
1520 | /* Open the global header file and the language-specific header files. */ |
1521 | ||
e2500fed | 1522 | static void |
3d7aafde | 1523 | open_base_files (void) |
e2500fed GK |
1524 | { |
1525 | size_t i; | |
3d7aafde | 1526 | |
e03856fe | 1527 | header_file = create_file ("GCC", "gtype-desc.h"); |
e2500fed | 1528 | |
11a67599 ZW |
1529 | base_files = XNEWVEC (outf_p, num_lang_dirs); |
1530 | ||
1531 | for (i = 0; i < num_lang_dirs; i++) | |
3d7aafde | 1532 | base_files[i] = create_file (lang_dir_names[i], |
8ac9d31f | 1533 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
e03856fe GK |
1534 | |
1535 | /* gtype-desc.c is a little special, so we create it here. */ | |
1536 | { | |
1537 | /* The order of files here matters very much. */ | |
1538 | static const char *const ifiles [] = { | |
6de9cd9a | 1539 | "config.h", "system.h", "coretypes.h", "tm.h", "varray.h", |
7932a3db NS |
1540 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
1541 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", | |
1542 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1543 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
1544 | "tree-flow.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", | |
726a989a | 1545 | "cfglayout.h", "except.h", "output.h", "gimple.h", "cfgloop.h", NULL |
e03856fe GK |
1546 | }; |
1547 | const char *const *ifp; | |
1548 | outf_p gtype_desc_c; | |
3d7aafde | 1549 | |
e03856fe GK |
1550 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1551 | for (ifp = ifiles; *ifp; ifp++) | |
1552 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
5576d6f2 TT |
1553 | |
1554 | /* Make sure we handle "cfun" specially. */ | |
1555 | oprintf (gtype_desc_c, "\n/* See definition in function.h. */\n"); | |
1556 | oprintf (gtype_desc_c, "#undef cfun\n"); | |
e03856fe | 1557 | } |
e2500fed GK |
1558 | } |
1559 | ||
8de8de02 OH |
1560 | /* For F a filename, return the real basename of F, with all the directory |
1561 | components skipped. */ | |
1562 | ||
1563 | static const char * | |
1564 | get_file_realbasename (const char *f) | |
1565 | { | |
1566 | const char * lastslash = strrchr (f, '/'); | |
1567 | ||
1568 | return (lastslash != NULL) ? lastslash + 1 : f; | |
1569 | } | |
1570 | ||
1571 | /* For F a filename, return the relative path to F from $(srcdir) if the | |
1572 | latter is a prefix in F, NULL otherwise. */ | |
1573 | ||
1574 | static const char * | |
1575 | get_file_srcdir_relative_path (const char *f) | |
1576 | { | |
1577 | if (strlen (f) > srcdir_len | |
1578 | && IS_DIR_SEPARATOR (f[srcdir_len]) | |
1579 | && memcmp (f, srcdir, srcdir_len) == 0) | |
1580 | return f + srcdir_len + 1; | |
1581 | else | |
1582 | return NULL; | |
1583 | } | |
1584 | ||
1585 | /* For F a filename, return the relative path to F from $(srcdir) if the | |
1586 | latter is a prefix in F, or the real basename of F otherwise. */ | |
9f313342 | 1587 | |
e2500fed | 1588 | static const char * |
3d7aafde | 1589 | get_file_basename (const char *f) |
e2500fed | 1590 | { |
8de8de02 | 1591 | const char * srcdir_path = get_file_srcdir_relative_path (f); |
3d7aafde | 1592 | |
8de8de02 OH |
1593 | return (srcdir_path != NULL) ? srcdir_path : get_file_realbasename (f); |
1594 | } | |
3d7aafde | 1595 | |
8de8de02 OH |
1596 | /* For F a filename, return the lang_dir_names relative index of the language |
1597 | directory that is a prefix in F, if any, -1 otherwise. */ | |
3d7aafde | 1598 | |
8de8de02 OH |
1599 | static int |
1600 | get_prefix_langdir_index (const char *f) | |
1601 | { | |
1602 | size_t f_len = strlen (f); | |
1603 | size_t lang_index; | |
3d7aafde | 1604 | |
8de8de02 | 1605 | for (lang_index = 0; lang_index < num_lang_dirs; lang_index++) |
8ac9d31f | 1606 | { |
8de8de02 OH |
1607 | const char * langdir = lang_dir_names [lang_index]; |
1608 | size_t langdir_len = strlen (langdir); | |
1609 | ||
1610 | if (f_len > langdir_len | |
1611 | && IS_DIR_SEPARATOR (f[langdir_len]) | |
1612 | && memcmp (f, langdir, langdir_len) == 0) | |
1613 | return lang_index; | |
8ac9d31f | 1614 | } |
3d7aafde | 1615 | |
8de8de02 OH |
1616 | return -1; |
1617 | } | |
1618 | ||
1619 | /* For F a filename, return the name of language directory where F is located, | |
1620 | if any, NULL otherwise. */ | |
1621 | ||
1622 | static const char * | |
1623 | get_file_langdir (const char *f) | |
1624 | { | |
1625 | /* Get the relative path to F from $(srcdir) and find the language by | |
1626 | comparing the prefix with language directory names. If F is not even | |
1627 | srcdir relative, no point in looking further. */ | |
1628 | ||
1629 | int lang_index; | |
1630 | const char * srcdir_relative_path = get_file_srcdir_relative_path (f); | |
1631 | ||
1632 | if (!srcdir_relative_path) | |
1633 | return NULL; | |
1634 | ||
1635 | lang_index = get_prefix_langdir_index (srcdir_relative_path); | |
1636 | ||
1637 | return (lang_index >= 0) ? lang_dir_names [lang_index] : NULL; | |
1638 | } | |
1639 | ||
1640 | /* The gt- output file name for F. */ | |
1641 | ||
1642 | static const char * | |
1643 | get_file_gtfilename (const char *f) | |
1644 | { | |
1645 | /* Cook up an initial version of the gt- file name from the file real | |
1646 | basename and the language name, if any. */ | |
1647 | ||
1648 | const char *basename = get_file_realbasename (f); | |
1649 | const char *langdir = get_file_langdir (f); | |
1650 | ||
1651 | char * result = | |
1652 | (langdir ? xasprintf ("gt-%s-%s", langdir, basename) | |
1653 | : xasprintf ("gt-%s", basename)); | |
1654 | ||
1655 | /* Then replace all non alphanumerics characters by '-' and change the | |
1656 | extenstion to ".h". We expect the input filename extension was at least | |
1657 | one character long. */ | |
1658 | ||
1659 | char *s = result; | |
1660 | ||
1661 | for (; *s != '.'; s++) | |
1662 | if (! ISALNUM (*s) && *s != '-') | |
1663 | *s = '-'; | |
1664 | ||
1665 | memcpy (s, ".h", sizeof (".h")); | |
1666 | ||
1667 | return result; | |
e2500fed GK |
1668 | } |
1669 | ||
9f313342 GK |
1670 | /* An output file, suitable for definitions, that can see declarations |
1671 | made in INPUT_FILE and is linked into every language that uses | |
1672 | INPUT_FILE. */ | |
1673 | ||
e03856fe | 1674 | outf_p |
3d7aafde | 1675 | get_output_file_with_visibility (const char *input_file) |
e2500fed | 1676 | { |
e03856fe | 1677 | outf_p r; |
e2500fed GK |
1678 | size_t len; |
1679 | const char *basename; | |
e03856fe GK |
1680 | const char *for_name; |
1681 | const char *output_name; | |
e2500fed | 1682 | |
e03856fe GK |
1683 | /* This can happen when we need a file with visibility on a |
1684 | structure that we've never seen. We have to just hope that it's | |
1685 | globally visible. */ | |
1686 | if (input_file == NULL) | |
1687 | input_file = "system.h"; | |
e2500fed | 1688 | |
e2500fed GK |
1689 | /* Determine the output file name. */ |
1690 | basename = get_file_basename (input_file); | |
1691 | ||
1692 | len = strlen (basename); | |
1693 | if ((len > 2 && memcmp (basename+len-2, ".c", 2) == 0) | |
1694 | || (len > 2 && memcmp (basename+len-2, ".y", 2) == 0) | |
1695 | || (len > 3 && memcmp (basename+len-3, ".in", 3) == 0)) | |
1696 | { | |
8de8de02 | 1697 | output_name = get_file_gtfilename (input_file); |
e03856fe | 1698 | for_name = basename; |
e2500fed | 1699 | } |
ad8c162b ZL |
1700 | /* Some headers get used by more than one front-end; hence, it |
1701 | would be inappropriate to spew them out to a single gtype-<lang>.h | |
1702 | (and gengtype doesn't know how to direct spewage into multiple | |
1703 | gtype-<lang>.h headers at this time). Instead, we pair up these | |
1704 | headers with source files (and their special purpose gt-*.h headers). */ | |
e2500fed | 1705 | else if (strcmp (basename, "c-common.h") == 0) |
e03856fe | 1706 | output_name = "gt-c-common.h", for_name = "c-common.c"; |
e2500fed | 1707 | else if (strcmp (basename, "c-tree.h") == 0) |
e03856fe | 1708 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; |
6e955430 ZL |
1709 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) |
1710 | && strcmp (basename + 3, "cp-tree.h") == 0) | |
1711 | output_name = "gt-cp-tree.h", for_name = "cp/tree.c"; | |
1712 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1713 | && strcmp (basename + 3, "decl.h") == 0) | |
1714 | output_name = "gt-cp-decl.h", for_name = "cp/decl.c"; | |
1715 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1716 | && strcmp (basename + 3, "name-lookup.h") == 0) | |
1717 | output_name = "gt-cp-name-lookup.h", for_name = "cp/name-lookup.c"; | |
ad8c162b ZL |
1718 | else if (strncmp (basename, "objc", 4) == 0 && IS_DIR_SEPARATOR (basename[4]) |
1719 | && strcmp (basename + 5, "objc-act.h") == 0) | |
1720 | output_name = "gt-objc-objc-act.h", for_name = "objc/objc-act.c"; | |
1721 | else | |
e2500fed | 1722 | { |
8de8de02 | 1723 | int lang_index = get_prefix_langdir_index (basename); |
3d7aafde | 1724 | |
8de8de02 OH |
1725 | if (lang_index >= 0) |
1726 | return base_files[lang_index]; | |
e03856fe GK |
1727 | |
1728 | output_name = "gtype-desc.c"; | |
1729 | for_name = NULL; | |
e2500fed GK |
1730 | } |
1731 | ||
1732 | /* Look through to see if we've ever seen this output filename before. */ | |
e03856fe GK |
1733 | for (r = output_files; r; r = r->next) |
1734 | if (strcmp (r->name, output_name) == 0) | |
1735 | return r; | |
e2500fed GK |
1736 | |
1737 | /* If not, create it. */ | |
e03856fe | 1738 | r = create_file (for_name, output_name); |
e2500fed | 1739 | |
e03856fe | 1740 | return r; |
e2500fed GK |
1741 | } |
1742 | ||
9f313342 GK |
1743 | /* The name of an output file, suitable for definitions, that can see |
1744 | declarations made in INPUT_FILE and is linked into every language | |
1745 | that uses INPUT_FILE. */ | |
1746 | ||
e2500fed | 1747 | const char * |
3d7aafde | 1748 | get_output_file_name (const char *input_file) |
e2500fed | 1749 | { |
e03856fe | 1750 | return get_output_file_with_visibility (input_file)->name; |
e2500fed GK |
1751 | } |
1752 | ||
e03856fe | 1753 | /* Copy the output to its final destination, |
9f313342 GK |
1754 | but don't unnecessarily change modification times. */ |
1755 | ||
e2500fed | 1756 | static void |
3d7aafde | 1757 | close_output_files (void) |
e2500fed | 1758 | { |
e03856fe | 1759 | outf_p of; |
3d7aafde | 1760 | |
e03856fe | 1761 | for (of = output_files; of; of = of->next) |
e2500fed | 1762 | { |
e03856fe GK |
1763 | FILE * newfile; |
1764 | ||
1765 | newfile = fopen (of->name, "r"); | |
1766 | if (newfile != NULL ) | |
e2500fed | 1767 | { |
e03856fe GK |
1768 | int no_write_p; |
1769 | size_t i; | |
e2500fed | 1770 | |
e03856fe GK |
1771 | for (i = 0; i < of->bufused; i++) |
1772 | { | |
1773 | int ch; | |
1774 | ch = fgetc (newfile); | |
1775 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
1776 | break; | |
1777 | } | |
1778 | no_write_p = i == of->bufused && fgetc (newfile) == EOF; | |
e2500fed | 1779 | fclose (newfile); |
e03856fe GK |
1780 | |
1781 | if (no_write_p) | |
1782 | continue; | |
e2500fed GK |
1783 | } |
1784 | ||
e03856fe | 1785 | newfile = fopen (of->name, "w"); |
e2500fed | 1786 | if (newfile == NULL) |
065ae611 | 1787 | fatal ("opening output file %s: %s", of->name, strerror (errno)); |
e03856fe | 1788 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) |
065ae611 | 1789 | fatal ("writing output file %s: %s", of->name, strerror (errno)); |
e03856fe | 1790 | if (fclose (newfile) != 0) |
065ae611 | 1791 | fatal ("closing output file %s: %s", of->name, strerror (errno)); |
e2500fed GK |
1792 | } |
1793 | } | |
1794 | \f | |
1795 | struct flist { | |
1796 | struct flist *next; | |
1797 | int started_p; | |
1798 | const char *name; | |
e03856fe | 1799 | outf_p f; |
e2500fed GK |
1800 | }; |
1801 | ||
17211ab5 GK |
1802 | struct walk_type_data; |
1803 | ||
1804 | /* For scalars and strings, given the item in 'val'. | |
1805 | For structures, given a pointer to the item in 'val'. | |
1806 | For misc. pointers, given the item in 'val'. | |
1807 | */ | |
3d7aafde AJ |
1808 | typedef void (*process_field_fn) |
1809 | (type_p f, const struct walk_type_data *p); | |
17211ab5 | 1810 | typedef void (*func_name_fn) |
3d7aafde | 1811 | (type_p s, const struct walk_type_data *p); |
17211ab5 GK |
1812 | |
1813 | /* Parameters for write_types. */ | |
1814 | ||
3d7aafde | 1815 | struct write_types_data |
17211ab5 GK |
1816 | { |
1817 | const char *prefix; | |
1818 | const char *param_prefix; | |
1819 | const char *subfield_marker_routine; | |
1820 | const char *marker_routine; | |
1821 | const char *reorder_note_routine; | |
1822 | const char *comment; | |
8d6419b2 | 1823 | int skip_hooks; /* skip hook generation if non zero */ |
17211ab5 GK |
1824 | }; |
1825 | ||
3d7aafde AJ |
1826 | static void output_escaped_param (struct walk_type_data *d, |
1827 | const char *, const char *); | |
e5cfc29f | 1828 | static void output_mangled_typename (outf_p, const_type_p); |
3d7aafde | 1829 | static void walk_type (type_p t, struct walk_type_data *d); |
17211ab5 | 1830 | static void write_func_for_structure |
3d7aafde AJ |
1831 | (type_p orig_s, type_p s, type_p * param, |
1832 | const struct write_types_data *wtd); | |
1833 | static void write_types_process_field | |
1834 | (type_p f, const struct walk_type_data *d); | |
1835 | static void write_types (type_p structures, | |
1836 | type_p param_structs, | |
1837 | const struct write_types_data *wtd); | |
17211ab5 | 1838 | static void write_types_local_process_field |
3d7aafde | 1839 | (type_p f, const struct walk_type_data *d); |
17211ab5 | 1840 | static void write_local_func_for_structure |
3d7aafde AJ |
1841 | (type_p orig_s, type_p s, type_p * param); |
1842 | static void write_local (type_p structures, | |
1843 | type_p param_structs); | |
1844 | static void write_enum_defn (type_p structures, type_p param_structs); | |
1845 | static int contains_scalar_p (type_p t); | |
1846 | static void put_mangled_filename (outf_p , const char *); | |
1847 | static void finish_root_table (struct flist *flp, const char *pfx, | |
1848 | const char *tname, const char *lastname, | |
1849 | const char *name); | |
1850 | static void write_root (outf_p , pair_p, type_p, const char *, int, | |
1851 | struct fileloc *, const char *); | |
1852 | static void write_array (outf_p f, pair_p v, | |
1853 | const struct write_types_data *wtd); | |
1854 | static void write_roots (pair_p); | |
e2500fed | 1855 | |
17211ab5 | 1856 | /* Parameters for walk_type. */ |
e2500fed | 1857 | |
17211ab5 | 1858 | struct walk_type_data |
e2500fed | 1859 | { |
17211ab5 GK |
1860 | process_field_fn process_field; |
1861 | const void *cookie; | |
1862 | outf_p of; | |
1863 | options_p opt; | |
1864 | const char *val; | |
1865 | const char *prev_val[4]; | |
1866 | int indent; | |
1867 | int counter; | |
1868 | struct fileloc *line; | |
1869 | lang_bitmap bitmap; | |
1870 | type_p *param; | |
1871 | int used_length; | |
1872 | type_p orig_s; | |
1873 | const char *reorder_fn; | |
d8044160 GK |
1874 | bool needs_cast_p; |
1875 | bool fn_wants_lvalue; | |
17211ab5 | 1876 | }; |
36a5eadd GK |
1877 | |
1878 | /* Print a mangled name representing T to OF. */ | |
1879 | ||
1880 | static void | |
e5cfc29f | 1881 | output_mangled_typename (outf_p of, const_type_p t) |
36a5eadd GK |
1882 | { |
1883 | if (t == NULL) | |
1884 | oprintf (of, "Z"); | |
1885 | else switch (t->kind) | |
1886 | { | |
1887 | case TYPE_POINTER: | |
1888 | oprintf (of, "P"); | |
1889 | output_mangled_typename (of, t->u.p); | |
1890 | break; | |
1891 | case TYPE_SCALAR: | |
1892 | oprintf (of, "I"); | |
1893 | break; | |
1894 | case TYPE_STRING: | |
1895 | oprintf (of, "S"); | |
1896 | break; | |
1897 | case TYPE_STRUCT: | |
1898 | case TYPE_UNION: | |
1899 | case TYPE_LANG_STRUCT: | |
6d8dd940 | 1900 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), t->u.s.tag); |
36a5eadd GK |
1901 | break; |
1902 | case TYPE_PARAM_STRUCT: | |
1903 | { | |
1904 | int i; | |
1905 | for (i = 0; i < NUM_PARAM; i++) | |
1906 | if (t->u.param_struct.param[i] != NULL) | |
1907 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
3d7aafde | 1908 | output_mangled_typename (of, t->u.param_struct.stru); |
36a5eadd GK |
1909 | } |
1910 | break; | |
1911 | case TYPE_ARRAY: | |
b2d59f6f | 1912 | gcc_unreachable (); |
36a5eadd | 1913 | } |
e2500fed GK |
1914 | } |
1915 | ||
17211ab5 GK |
1916 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
1917 | current object, D->PREV_VAL the object containing the current | |
1918 | object, ONAME is the name of the option and D->LINE is used to | |
1919 | print error messages. */ | |
9f313342 | 1920 | |
e2500fed | 1921 | static void |
3d7aafde AJ |
1922 | output_escaped_param (struct walk_type_data *d, const char *param, |
1923 | const char *oname) | |
e2500fed | 1924 | { |
17211ab5 | 1925 | const char *p; |
3d7aafde | 1926 | |
17211ab5 GK |
1927 | for (p = param; *p; p++) |
1928 | if (*p != '%') | |
1929 | oprintf (d->of, "%c", *p); | |
1930 | else switch (*++p) | |
1931 | { | |
1932 | case 'h': | |
1933 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
1934 | break; | |
1935 | case '0': | |
1936 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
1937 | break; | |
1938 | case '1': | |
1939 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
1940 | break; | |
1941 | case 'a': | |
e2500fed | 1942 | { |
17211ab5 GK |
1943 | const char *pp = d->val + strlen (d->val); |
1944 | while (pp[-1] == ']') | |
1945 | while (*pp != '[') | |
1946 | pp--; | |
1947 | oprintf (d->of, "%s", pp); | |
e2500fed | 1948 | } |
17211ab5 GK |
1949 | break; |
1950 | default: | |
1951 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
1952 | oname, '%', *p); | |
1953 | } | |
1954 | } | |
e2500fed | 1955 | |
17211ab5 GK |
1956 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
1957 | which is of type T. Write code to D->OF to constrain execution (at | |
1958 | the point that D->PROCESS_FIELD is called) to the appropriate | |
4da6879c GK |
1959 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
1960 | pointers to those objects. D->PREV_VAL lists the objects | |
1961 | containing the current object, D->OPT is a list of options to | |
1962 | apply, D->INDENT is the current indentation level, D->LINE is used | |
1963 | to print error messages, D->BITMAP indicates which languages to | |
1964 | print the structure for, and D->PARAM is the current parameter | |
1965 | (from an enclosing param_is option). */ | |
e2500fed | 1966 | |
17211ab5 | 1967 | static void |
3d7aafde | 1968 | walk_type (type_p t, struct walk_type_data *d) |
17211ab5 GK |
1969 | { |
1970 | const char *length = NULL; | |
1971 | const char *desc = NULL; | |
1972 | int maybe_undef_p = 0; | |
1973 | int use_param_num = -1; | |
1974 | int use_params_p = 0; | |
17211ab5 | 1975 | options_p oo; |
b453c95f | 1976 | const struct nested_ptr_data *nested_ptr_d = NULL; |
3d7aafde | 1977 | |
d8044160 | 1978 | d->needs_cast_p = false; |
17211ab5 GK |
1979 | for (oo = d->opt; oo; oo = oo->next) |
1980 | if (strcmp (oo->name, "length") == 0) | |
9e2878cf | 1981 | length = oo->info; |
17211ab5 GK |
1982 | else if (strcmp (oo->name, "maybe_undef") == 0) |
1983 | maybe_undef_p = 1; | |
1984 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
1985 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
1986 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
1987 | else if (strcmp (oo->name, "use_params") == 0) | |
1988 | use_params_p = 1; | |
1989 | else if (strcmp (oo->name, "desc") == 0) | |
9e2878cf | 1990 | desc = oo->info; |
8d6419b2 BS |
1991 | else if (strcmp (oo->name, "mark_hook") == 0) |
1992 | ; | |
b453c95f | 1993 | else if (strcmp (oo->name, "nested_ptr") == 0) |
d8044160 | 1994 | nested_ptr_d = (const struct nested_ptr_data *) oo->info; |
17211ab5 GK |
1995 | else if (strcmp (oo->name, "dot") == 0) |
1996 | ; | |
1997 | else if (strcmp (oo->name, "tag") == 0) | |
1998 | ; | |
1999 | else if (strcmp (oo->name, "special") == 0) | |
2000 | ; | |
2001 | else if (strcmp (oo->name, "skip") == 0) | |
2002 | ; | |
2003 | else if (strcmp (oo->name, "default") == 0) | |
2004 | ; | |
2005 | else if (strcmp (oo->name, "descbits") == 0) | |
2006 | ; | |
2007 | else if (strcmp (oo->name, "param_is") == 0) | |
2008 | ; | |
084087e1 RH |
2009 | else if (strncmp (oo->name, "param", 5) == 0 |
2010 | && ISDIGIT (oo->name[5]) | |
2011 | && strcmp (oo->name + 6, "_is") == 0) | |
2012 | ; | |
17211ab5 GK |
2013 | else if (strcmp (oo->name, "chain_next") == 0) |
2014 | ; | |
2015 | else if (strcmp (oo->name, "chain_prev") == 0) | |
2016 | ; | |
623f8e39 JJ |
2017 | else if (strcmp (oo->name, "chain_circular") == 0) |
2018 | ; | |
17211ab5 GK |
2019 | else if (strcmp (oo->name, "reorder") == 0) |
2020 | ; | |
2021 | else | |
2022 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
36a5eadd | 2023 | |
17211ab5 GK |
2024 | if (d->used_length) |
2025 | length = NULL; | |
36a5eadd | 2026 | |
17211ab5 GK |
2027 | if (use_params_p) |
2028 | { | |
2029 | int pointer_p = t->kind == TYPE_POINTER; | |
3d7aafde | 2030 | |
17211ab5 GK |
2031 | if (pointer_p) |
2032 | t = t->u.p; | |
2033 | if (! UNION_OR_STRUCT_P (t)) | |
2034 | error_at_line (d->line, "`use_params' option on unimplemented type"); | |
3d7aafde | 2035 | else |
17211ab5 GK |
2036 | t = find_param_structure (t, d->param); |
2037 | if (pointer_p) | |
2038 | t = create_pointer (t); | |
2039 | } | |
3d7aafde | 2040 | |
17211ab5 GK |
2041 | if (use_param_num != -1) |
2042 | { | |
2043 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
e2500fed | 2044 | { |
17211ab5 | 2045 | type_p nt = d->param[use_param_num]; |
3d7aafde | 2046 | |
17211ab5 GK |
2047 | if (t->kind == TYPE_ARRAY) |
2048 | nt = create_array (nt, t->u.a.len); | |
2049 | else if (length != NULL && t->kind == TYPE_POINTER) | |
2050 | nt = create_pointer (nt); | |
f099d360 GK |
2051 | d->needs_cast_p = (t->kind != TYPE_POINTER |
2052 | && (nt->kind == TYPE_POINTER | |
2053 | || nt->kind == TYPE_STRING)); | |
17211ab5 | 2054 | t = nt; |
e2500fed | 2055 | } |
17211ab5 GK |
2056 | else |
2057 | error_at_line (d->line, "no parameter defined for `%s'", | |
2058 | d->val); | |
2059 | } | |
3d7aafde AJ |
2060 | |
2061 | if (maybe_undef_p | |
17211ab5 GK |
2062 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) |
2063 | { | |
3d7aafde | 2064 | error_at_line (d->line, |
17211ab5 GK |
2065 | "field `%s' has invalid option `maybe_undef_p'\n", |
2066 | d->val); | |
2067 | return; | |
2068 | } | |
3d7aafde | 2069 | |
17211ab5 GK |
2070 | switch (t->kind) |
2071 | { | |
2072 | case TYPE_SCALAR: | |
2073 | case TYPE_STRING: | |
2074 | d->process_field (t, d); | |
2075 | break; | |
3d7aafde | 2076 | |
17211ab5 GK |
2077 | case TYPE_POINTER: |
2078 | { | |
2079 | if (maybe_undef_p | |
2080 | && t->u.p->u.s.line.file == NULL) | |
2081 | { | |
b2d59f6f | 2082 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
17211ab5 GK |
2083 | break; |
2084 | } | |
e2500fed | 2085 | |
17211ab5 | 2086 | if (! length) |
e2500fed | 2087 | { |
17211ab5 GK |
2088 | if (! UNION_OR_STRUCT_P (t->u.p) |
2089 | && t->u.p->kind != TYPE_PARAM_STRUCT) | |
e2500fed | 2090 | { |
3d7aafde | 2091 | error_at_line (d->line, |
17211ab5 GK |
2092 | "field `%s' is pointer to unimplemented type", |
2093 | d->val); | |
e2500fed GK |
2094 | break; |
2095 | } | |
3d7aafde | 2096 | |
b453c95f GK |
2097 | if (nested_ptr_d) |
2098 | { | |
2099 | const char *oldprevval2 = d->prev_val[2]; | |
2100 | ||
2101 | if (! UNION_OR_STRUCT_P (nested_ptr_d->type)) | |
2102 | { | |
2103 | error_at_line (d->line, | |
2104 | "field `%s' has invalid " | |
2105 | "option `nested_ptr'\n", | |
2106 | d->val); | |
2107 | return; | |
2108 | } | |
2109 | ||
2110 | d->prev_val[2] = d->val; | |
2111 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2112 | d->indent += 2; | |
2113 | d->val = xasprintf ("x%d", d->counter++); | |
d8044160 | 2114 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
b453c95f GK |
2115 | (nested_ptr_d->type->kind == TYPE_UNION |
2116 | ? "union" : "struct"), | |
d8044160 GK |
2117 | nested_ptr_d->type->u.s.tag, |
2118 | d->fn_wants_lvalue ? "" : "const ", | |
2119 | d->val); | |
b453c95f GK |
2120 | oprintf (d->of, "%*s", d->indent + 2, ""); |
2121 | output_escaped_param (d, nested_ptr_d->convert_from, | |
2122 | "nested_ptr"); | |
2123 | oprintf (d->of, ";\n"); | |
2124 | ||
2125 | d->process_field (nested_ptr_d->type, d); | |
2126 | ||
d8044160 GK |
2127 | if (d->fn_wants_lvalue) |
2128 | { | |
2129 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
2130 | d->prev_val[2]); | |
2131 | d->prev_val[2] = d->val; | |
2132 | output_escaped_param (d, nested_ptr_d->convert_to, | |
2133 | "nested_ptr"); | |
2134 | oprintf (d->of, ";\n"); | |
2135 | } | |
b453c95f GK |
2136 | |
2137 | d->indent -= 2; | |
2138 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2139 | d->val = d->prev_val[2]; | |
2140 | d->prev_val[2] = oldprevval2; | |
2141 | } | |
2142 | else | |
2143 | d->process_field (t->u.p, d); | |
e2500fed | 2144 | } |
3d7aafde | 2145 | else |
e2500fed | 2146 | { |
17211ab5 GK |
2147 | int loopcounter = d->counter++; |
2148 | const char *oldval = d->val; | |
2149 | const char *oldprevval3 = d->prev_val[3]; | |
e2500fed GK |
2150 | char *newval; |
2151 | ||
17211ab5 GK |
2152 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
2153 | d->indent += 2; | |
2154 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
a62a0172 | 2155 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, "", |
17211ab5 GK |
2156 | loopcounter, loopcounter); |
2157 | output_escaped_param (d, length, "length"); | |
2158 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
2159 | d->indent += 2; | |
2160 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2161 | d->used_length = 1; | |
2162 | d->prev_val[3] = oldval; | |
2163 | walk_type (t->u.p, d); | |
e2500fed | 2164 | free (newval); |
17211ab5 GK |
2165 | d->val = oldval; |
2166 | d->prev_val[3] = oldprevval3; | |
2167 | d->used_length = 0; | |
2168 | d->indent -= 2; | |
2169 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
4da6879c | 2170 | d->process_field(t, d); |
17211ab5 GK |
2171 | d->indent -= 2; |
2172 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e2500fed | 2173 | } |
17211ab5 GK |
2174 | } |
2175 | break; | |
e2500fed | 2176 | |
17211ab5 GK |
2177 | case TYPE_ARRAY: |
2178 | { | |
2179 | int loopcounter = d->counter++; | |
2180 | const char *oldval = d->val; | |
2181 | char *newval; | |
2182 | ||
6356f892 | 2183 | /* If it's an array of scalars, we optimize by not generating |
17211ab5 GK |
2184 | any code. */ |
2185 | if (t->u.a.p->kind == TYPE_SCALAR) | |
e2500fed | 2186 | break; |
3d7aafde | 2187 | |
5039610b SL |
2188 | /* When walking an array, compute the length and store it in a |
2189 | local variable before walking the array elements, instead of | |
2190 | recomputing the length expression each time through the loop. | |
2191 | This is necessary to handle tcc_vl_exp objects like CALL_EXPR, | |
2192 | where the length is stored in the first array element, | |
2193 | because otherwise that operand can get overwritten on the | |
2194 | first iteration. */ | |
17211ab5 GK |
2195 | oprintf (d->of, "%*s{\n", d->indent, ""); |
2196 | d->indent += 2; | |
2197 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
5039610b SL |
2198 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", |
2199 | d->indent, "", loopcounter); | |
17211ab5 GK |
2200 | if (length) |
2201 | output_escaped_param (d, length, "length"); | |
2202 | else | |
2203 | oprintf (d->of, "%s", t->u.a.len); | |
5039610b SL |
2204 | oprintf (d->of, ");\n"); |
2205 | ||
2206 | oprintf (d->of, "%*sfor (i%d = 0; i%d != l%d; i%d++) {\n", | |
2207 | d->indent, "", | |
2208 | loopcounter, loopcounter, loopcounter, loopcounter); | |
17211ab5 GK |
2209 | d->indent += 2; |
2210 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2211 | d->used_length = 1; | |
2212 | walk_type (t->u.a.p, d); | |
2213 | free (newval); | |
2214 | d->used_length = 0; | |
2215 | d->val = oldval; | |
2216 | d->indent -= 2; | |
2217 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2218 | d->indent -= 2; | |
2219 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2220 | } | |
2221 | break; | |
3d7aafde | 2222 | |
17211ab5 GK |
2223 | case TYPE_STRUCT: |
2224 | case TYPE_UNION: | |
2225 | { | |
2226 | pair_p f; | |
2227 | const char *oldval = d->val; | |
2228 | const char *oldprevval1 = d->prev_val[1]; | |
2229 | const char *oldprevval2 = d->prev_val[2]; | |
2230 | const int union_p = t->kind == TYPE_UNION; | |
2231 | int seen_default_p = 0; | |
2232 | options_p o; | |
2233 | ||
2234 | if (! t->u.s.line.file) | |
2235 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); | |
e2500fed | 2236 | |
17211ab5 | 2237 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
e2500fed | 2238 | { |
17211ab5 GK |
2239 | error_at_line (d->line, |
2240 | "structure `%s' defined for mismatching languages", | |
2241 | t->u.s.tag); | |
2242 | error_at_line (&t->u.s.line, "one structure defined here"); | |
2243 | } | |
e2500fed | 2244 | |
17211ab5 GK |
2245 | /* Some things may also be defined in the structure's options. */ |
2246 | for (o = t->u.s.opt; o; o = o->next) | |
2247 | if (! desc && strcmp (o->name, "desc") == 0) | |
9e2878cf | 2248 | desc = o->info; |
e2500fed | 2249 | |
17211ab5 GK |
2250 | d->prev_val[2] = oldval; |
2251 | d->prev_val[1] = oldprevval2; | |
2252 | if (union_p) | |
2253 | { | |
2254 | if (desc == NULL) | |
e2500fed | 2255 | { |
17211ab5 GK |
2256 | error_at_line (d->line, "missing `desc' option for union `%s'", |
2257 | t->u.s.tag); | |
2258 | desc = "1"; | |
e2500fed | 2259 | } |
17211ab5 GK |
2260 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
2261 | output_escaped_param (d, desc, "desc"); | |
2262 | oprintf (d->of, ")\n"); | |
2263 | d->indent += 2; | |
2264 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2265 | } | |
2266 | for (f = t->u.s.fields; f; f = f->next) | |
2267 | { | |
2268 | options_p oo; | |
2269 | const char *dot = "."; | |
2270 | const char *tagid = NULL; | |
2271 | int skip_p = 0; | |
2272 | int default_p = 0; | |
2273 | int use_param_p = 0; | |
2274 | char *newval; | |
2275 | ||
2276 | d->reorder_fn = NULL; | |
2277 | for (oo = f->opt; oo; oo = oo->next) | |
2278 | if (strcmp (oo->name, "dot") == 0) | |
9e2878cf | 2279 | dot = oo->info; |
17211ab5 | 2280 | else if (strcmp (oo->name, "tag") == 0) |
9e2878cf | 2281 | tagid = oo->info; |
17211ab5 GK |
2282 | else if (strcmp (oo->name, "skip") == 0) |
2283 | skip_p = 1; | |
2284 | else if (strcmp (oo->name, "default") == 0) | |
2285 | default_p = 1; | |
2286 | else if (strcmp (oo->name, "reorder") == 0) | |
9e2878cf | 2287 | d->reorder_fn = oo->info; |
17211ab5 GK |
2288 | else if (strncmp (oo->name, "use_param", 9) == 0 |
2289 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2290 | use_param_p = 1; | |
2291 | ||
2292 | if (skip_p) | |
2293 | continue; | |
2294 | ||
2295 | if (union_p && tagid) | |
e2500fed | 2296 | { |
17211ab5 GK |
2297 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
2298 | d->indent += 2; | |
e2500fed | 2299 | } |
17211ab5 | 2300 | else if (union_p && default_p) |
e2500fed | 2301 | { |
17211ab5 GK |
2302 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
2303 | d->indent += 2; | |
2304 | seen_default_p = 1; | |
e2500fed | 2305 | } |
17211ab5 | 2306 | else if (! union_p && (default_p || tagid)) |
3d7aafde | 2307 | error_at_line (d->line, |
17211ab5 GK |
2308 | "can't use `%s' outside a union on field `%s'", |
2309 | default_p ? "default" : "tag", f->name); | |
2310 | else if (union_p && ! (default_p || tagid) | |
2311 | && f->type->kind == TYPE_SCALAR) | |
e2500fed | 2312 | { |
17211ab5 GK |
2313 | fprintf (stderr, |
2314 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", | |
2315 | d->line->file, d->line->line, f->name); | |
2316 | continue; | |
e2500fed | 2317 | } |
17211ab5 | 2318 | else if (union_p && ! (default_p || tagid)) |
3d7aafde | 2319 | error_at_line (d->line, |
17211ab5 | 2320 | "field `%s' is missing `tag' or `default' option", |
e2500fed | 2321 | f->name); |
3d7aafde | 2322 | |
17211ab5 GK |
2323 | d->line = &f->line; |
2324 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
2325 | d->opt = f->opt; | |
d8044160 | 2326 | d->used_length = false; |
17211ab5 GK |
2327 | |
2328 | if (union_p && use_param_p && d->param == NULL) | |
b2d59f6f | 2329 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
17211ab5 GK |
2330 | else |
2331 | walk_type (f->type, d); | |
2332 | ||
2333 | free (newval); | |
2334 | ||
2335 | if (union_p) | |
e2500fed | 2336 | { |
17211ab5 GK |
2337 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
2338 | d->indent -= 2; | |
e2500fed | 2339 | } |
17211ab5 GK |
2340 | } |
2341 | d->reorder_fn = NULL; | |
e2500fed | 2342 | |
17211ab5 GK |
2343 | d->val = oldval; |
2344 | d->prev_val[1] = oldprevval1; | |
2345 | d->prev_val[2] = oldprevval2; | |
2346 | ||
2347 | if (union_p && ! seen_default_p) | |
2348 | { | |
2349 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
2350 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
2351 | } | |
2352 | if (union_p) | |
2353 | { | |
2354 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2355 | d->indent -= 2; | |
e2500fed | 2356 | } |
17211ab5 GK |
2357 | } |
2358 | break; | |
e2500fed | 2359 | |
17211ab5 GK |
2360 | case TYPE_LANG_STRUCT: |
2361 | { | |
2362 | type_p nt; | |
2363 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
2364 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
2365 | break; | |
2366 | if (nt == NULL) | |
2367 | error_at_line (d->line, "structure `%s' differs between languages", | |
2368 | t->u.s.tag); | |
2369 | else | |
2370 | walk_type (nt, d); | |
2371 | } | |
2372 | break; | |
2373 | ||
2374 | case TYPE_PARAM_STRUCT: | |
2375 | { | |
2376 | type_p *oldparam = d->param; | |
3d7aafde | 2377 | |
17211ab5 GK |
2378 | d->param = t->u.param_struct.param; |
2379 | walk_type (t->u.param_struct.stru, d); | |
2380 | d->param = oldparam; | |
2381 | } | |
2382 | break; | |
3d7aafde | 2383 | |
17211ab5 | 2384 | default: |
b2d59f6f | 2385 | gcc_unreachable (); |
e2500fed | 2386 | } |
17211ab5 GK |
2387 | } |
2388 | ||
2389 | /* process_field routine for marking routines. */ | |
2390 | ||
2391 | static void | |
3d7aafde | 2392 | write_types_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2393 | { |
2394 | const struct write_types_data *wtd; | |
f099d360 | 2395 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
17211ab5 | 2396 | wtd = (const struct write_types_data *) d->cookie; |
3d7aafde | 2397 | |
17211ab5 | 2398 | switch (f->kind) |
e2500fed | 2399 | { |
17211ab5 | 2400 | case TYPE_POINTER: |
3d7aafde | 2401 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
f099d360 | 2402 | wtd->subfield_marker_routine, cast, d->val); |
17211ab5 | 2403 | if (wtd->param_prefix) |
36a5eadd | 2404 | { |
17211ab5 GK |
2405 | oprintf (d->of, ", %s", d->prev_val[3]); |
2406 | if (d->orig_s) | |
2407 | { | |
2408 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
2409 | output_mangled_typename (d->of, d->orig_s); | |
2410 | } | |
2411 | else | |
2412 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
08cee789 DJ |
2413 | |
2414 | if (f->u.p->kind == TYPE_PARAM_STRUCT | |
2415 | && f->u.p->u.s.line.file != NULL) | |
2416 | { | |
2417 | oprintf (d->of, ", gt_e_"); | |
2418 | output_mangled_typename (d->of, f); | |
2419 | } | |
2420 | else if (UNION_OR_STRUCT_P (f) | |
2421 | && f->u.p->u.s.line.file != NULL) | |
2422 | { | |
2423 | oprintf (d->of, ", gt_ggc_e_"); | |
2424 | output_mangled_typename (d->of, f); | |
2425 | } | |
2426 | else | |
2427 | oprintf (d->of, ", gt_types_enum_last"); | |
36a5eadd | 2428 | } |
17211ab5 GK |
2429 | oprintf (d->of, ");\n"); |
2430 | if (d->reorder_fn && wtd->reorder_note_routine) | |
3d7aafde | 2431 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
f099d360 | 2432 | wtd->reorder_note_routine, cast, d->val, |
17211ab5 GK |
2433 | d->prev_val[3], d->reorder_fn); |
2434 | break; | |
2435 | ||
2436 | case TYPE_STRING: | |
17211ab5 GK |
2437 | case TYPE_STRUCT: |
2438 | case TYPE_UNION: | |
2439 | case TYPE_LANG_STRUCT: | |
2440 | case TYPE_PARAM_STRUCT: | |
2441 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
2442 | output_mangled_typename (d->of, f); | |
f099d360 | 2443 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
17211ab5 | 2444 | if (d->reorder_fn && wtd->reorder_note_routine) |
3d7aafde | 2445 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
f099d360 | 2446 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
17211ab5 GK |
2447 | d->reorder_fn); |
2448 | break; | |
2449 | ||
2450 | case TYPE_SCALAR: | |
2451 | break; | |
3d7aafde | 2452 | |
17211ab5 | 2453 | default: |
b2d59f6f | 2454 | gcc_unreachable (); |
e2500fed GK |
2455 | } |
2456 | } | |
2457 | ||
2d82317d RH |
2458 | /* A subroutine of write_func_for_structure. Write the enum tag for S. */ |
2459 | ||
2460 | static void | |
2461 | output_type_enum (outf_p of, type_p s) | |
2462 | { | |
2463 | if (s->kind == TYPE_PARAM_STRUCT && s->u.s.line.file != NULL) | |
2464 | { | |
2465 | oprintf (of, ", gt_e_"); | |
2466 | output_mangled_typename (of, s); | |
2467 | } | |
2468 | else if (UNION_OR_STRUCT_P (s) && s->u.s.line.file != NULL) | |
2469 | { | |
2470 | oprintf (of, ", gt_ggc_e_"); | |
2471 | output_mangled_typename (of, s); | |
2472 | } | |
2473 | else | |
2474 | oprintf (of, ", gt_types_enum_last"); | |
2475 | } | |
2476 | ||
17211ab5 GK |
2477 | /* For S, a structure that's part of ORIG_S, and using parameters |
2478 | PARAM, write out a routine that: | |
2479 | - Takes a parameter, a void * but actually of type *S | |
2480 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
2481 | field of S or its substructures and (in some cases) things | |
2482 | that are pointed to by S. | |
2483 | */ | |
9f313342 | 2484 | |
e2500fed | 2485 | static void |
8c80adb7 SB |
2486 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
2487 | const struct write_types_data *wtd) | |
e2500fed | 2488 | { |
36a5eadd GK |
2489 | const char *fn = s->u.s.line.file; |
2490 | int i; | |
2491 | const char *chain_next = NULL; | |
2492 | const char *chain_prev = NULL; | |
623f8e39 | 2493 | const char *chain_circular = NULL; |
8d6419b2 | 2494 | const char *mark_hook_name = NULL; |
36a5eadd | 2495 | options_p opt; |
17211ab5 | 2496 | struct walk_type_data d; |
3d7aafde | 2497 | |
36a5eadd GK |
2498 | /* This is a hack, and not the good kind either. */ |
2499 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2500 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
36a5eadd GK |
2501 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2502 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2503 | |
17211ab5 GK |
2504 | memset (&d, 0, sizeof (d)); |
2505 | d.of = get_output_file_with_visibility (fn); | |
3d7aafde | 2506 | |
36a5eadd GK |
2507 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2508 | if (strcmp (opt->name, "chain_next") == 0) | |
9e2878cf | 2509 | chain_next = opt->info; |
36a5eadd | 2510 | else if (strcmp (opt->name, "chain_prev") == 0) |
9e2878cf | 2511 | chain_prev = opt->info; |
623f8e39 JJ |
2512 | else if (strcmp (opt->name, "chain_circular") == 0) |
2513 | chain_circular = opt->info; | |
8d6419b2 BS |
2514 | else if (strcmp (opt->name, "mark_hook") == 0) |
2515 | mark_hook_name = opt->info; | |
36a5eadd GK |
2516 | |
2517 | if (chain_prev != NULL && chain_next == NULL) | |
2518 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
623f8e39 JJ |
2519 | if (chain_circular != NULL && chain_next != NULL) |
2520 | error_at_line (&s->u.s.line, "chain_circular with chain_next"); | |
2521 | if (chain_circular != NULL) | |
2522 | chain_next = chain_circular; | |
36a5eadd | 2523 | |
17211ab5 GK |
2524 | d.process_field = write_types_process_field; |
2525 | d.cookie = wtd; | |
2526 | d.orig_s = orig_s; | |
2527 | d.opt = s->u.s.opt; | |
2528 | d.line = &s->u.s.line; | |
2529 | d.bitmap = s->u.s.bitmap; | |
2530 | d.param = param; | |
2531 | d.prev_val[0] = "*x"; | |
e0a21ab9 | 2532 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2533 | d.prev_val[3] = "x"; |
2534 | d.val = "(*x)"; | |
2535 | ||
2536 | oprintf (d.of, "\n"); | |
2537 | oprintf (d.of, "void\n"); | |
e2500fed | 2538 | if (param == NULL) |
17211ab5 | 2539 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
e2500fed | 2540 | else |
36a5eadd | 2541 | { |
17211ab5 GK |
2542 | oprintf (d.of, "gt_%s_", wtd->prefix); |
2543 | output_mangled_typename (d.of, orig_s); | |
36a5eadd | 2544 | } |
6906ba40 | 2545 | oprintf (d.of, " (void *x_p)\n"); |
17211ab5 GK |
2546 | oprintf (d.of, "{\n"); |
2547 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
e2500fed | 2548 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
36a5eadd | 2549 | chain_next == NULL ? "const " : "", |
e2500fed | 2550 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
36a5eadd | 2551 | if (chain_next != NULL) |
17211ab5 | 2552 | oprintf (d.of, " %s %s * xlimit = x;\n", |
36a5eadd GK |
2553 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
2554 | if (chain_next == NULL) | |
17211ab5 GK |
2555 | { |
2556 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
2557 | if (wtd->param_prefix) | |
2558 | { | |
2559 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
2560 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2561 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2562 | } |
2563 | oprintf (d.of, "))\n"); | |
2564 | } | |
36a5eadd GK |
2565 | else |
2566 | { | |
623f8e39 JJ |
2567 | if (chain_circular != NULL) |
2568 | oprintf (d.of, " if (!%s (xlimit", wtd->marker_routine); | |
2569 | else | |
2570 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
17211ab5 GK |
2571 | if (wtd->param_prefix) |
2572 | { | |
2573 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2574 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2575 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2576 | } |
2577 | oprintf (d.of, "))\n"); | |
623f8e39 JJ |
2578 | if (chain_circular != NULL) |
2579 | oprintf (d.of, " return;\n do\n"); | |
8d6419b2 BS |
2580 | if (mark_hook_name && !wtd->skip_hooks) |
2581 | { | |
2582 | oprintf (d.of, " {\n"); | |
2583 | oprintf (d.of, " %s (xlimit);\n ", mark_hook_name); | |
2584 | } | |
17211ab5 GK |
2585 | oprintf (d.of, " xlimit = ("); |
2586 | d.prev_val[2] = "*xlimit"; | |
2587 | output_escaped_param (&d, chain_next, "chain_next"); | |
2588 | oprintf (d.of, ");\n"); | |
8d6419b2 BS |
2589 | if (mark_hook_name && !wtd->skip_hooks) |
2590 | oprintf (d.of, " }\n"); | |
36a5eadd GK |
2591 | if (chain_prev != NULL) |
2592 | { | |
17211ab5 GK |
2593 | oprintf (d.of, " if (x != xlimit)\n"); |
2594 | oprintf (d.of, " for (;;)\n"); | |
2595 | oprintf (d.of, " {\n"); | |
2596 | oprintf (d.of, " %s %s * const xprev = (", | |
36a5eadd | 2597 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
3d7aafde | 2598 | |
17211ab5 GK |
2599 | d.prev_val[2] = "*x"; |
2600 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
2601 | oprintf (d.of, ");\n"); | |
2602 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
2603 | oprintf (d.of, " x = xprev;\n"); | |
3d7aafde | 2604 | oprintf (d.of, " (void) %s (xprev", |
17211ab5 GK |
2605 | wtd->marker_routine); |
2606 | if (wtd->param_prefix) | |
2607 | { | |
2608 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
2609 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2610 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2611 | } |
2612 | oprintf (d.of, ");\n"); | |
2613 | oprintf (d.of, " }\n"); | |
36a5eadd | 2614 | } |
623f8e39 JJ |
2615 | if (chain_circular != NULL) |
2616 | { | |
2617 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
2618 | if (wtd->param_prefix) | |
2619 | { | |
2620 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2621 | output_mangled_typename (d.of, orig_s); | |
2622 | output_type_enum (d.of, orig_s); | |
2623 | } | |
2624 | oprintf (d.of, "));\n"); | |
2625 | if (mark_hook_name && !wtd->skip_hooks) | |
2626 | oprintf (d.of, " %s (xlimit);\n", mark_hook_name); | |
2627 | oprintf (d.of, " do\n"); | |
2628 | } | |
2629 | else | |
2630 | oprintf (d.of, " while (x != xlimit)\n"); | |
36a5eadd | 2631 | } |
17211ab5 | 2632 | oprintf (d.of, " {\n"); |
8d6419b2 BS |
2633 | if (mark_hook_name && chain_next == NULL && !wtd->skip_hooks) |
2634 | { | |
2635 | oprintf (d.of, " %s (x);\n", mark_hook_name); | |
2636 | } | |
17211ab5 GK |
2637 | d.prev_val[2] = "*x"; |
2638 | d.indent = 6; | |
2639 | walk_type (s, &d); | |
3d7aafde | 2640 | |
36a5eadd GK |
2641 | if (chain_next != NULL) |
2642 | { | |
17211ab5 GK |
2643 | oprintf (d.of, " x = ("); |
2644 | output_escaped_param (&d, chain_next, "chain_next"); | |
2645 | oprintf (d.of, ");\n"); | |
36a5eadd GK |
2646 | } |
2647 | ||
17211ab5 | 2648 | oprintf (d.of, " }\n"); |
623f8e39 JJ |
2649 | if (chain_circular != NULL) |
2650 | oprintf (d.of, " while (x != xlimit);\n"); | |
17211ab5 | 2651 | oprintf (d.of, "}\n"); |
e2500fed | 2652 | } |
9f313342 GK |
2653 | |
2654 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
e2500fed GK |
2655 | |
2656 | static void | |
3d7aafde AJ |
2657 | write_types (type_p structures, type_p param_structs, |
2658 | const struct write_types_data *wtd) | |
e2500fed GK |
2659 | { |
2660 | type_p s; | |
3d7aafde | 2661 | |
17211ab5 | 2662 | oprintf (header_file, "\n/* %s*/\n", wtd->comment); |
e2500fed GK |
2663 | for (s = structures; s; s = s->next) |
2664 | if (s->gc_used == GC_POINTED_TO | |
2665 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2666 | { | |
2667 | options_p opt; | |
3d7aafde | 2668 | |
e2500fed GK |
2669 | if (s->gc_used == GC_MAYBE_POINTED_TO |
2670 | && s->u.s.line.file == NULL) | |
2671 | continue; | |
2672 | ||
17211ab5 | 2673 | oprintf (header_file, "#define gt_%s_", wtd->prefix); |
36a5eadd GK |
2674 | output_mangled_typename (header_file, s); |
2675 | oprintf (header_file, "(X) do { \\\n"); | |
e03856fe | 2676 | oprintf (header_file, |
3d7aafde | 2677 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
17211ab5 | 2678 | s->u.s.tag); |
e03856fe | 2679 | oprintf (header_file, |
e2500fed | 2680 | " } while (0)\n"); |
3d7aafde | 2681 | |
e2500fed GK |
2682 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2683 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2684 | { | |
e5cfc29f | 2685 | const_type_p const t = (const_type_p) opt->info; |
3d7aafde | 2686 | if (t->kind == TYPE_STRUCT |
e2500fed GK |
2687 | || t->kind == TYPE_UNION |
2688 | || t->kind == TYPE_LANG_STRUCT) | |
e03856fe | 2689 | oprintf (header_file, |
17211ab5 GK |
2690 | "#define gt_%sx_%s gt_%sx_%s\n", |
2691 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
e2500fed | 2692 | else |
3d7aafde | 2693 | error_at_line (&s->u.s.line, |
e2500fed GK |
2694 | "structure alias is not a structure"); |
2695 | break; | |
2696 | } | |
2697 | if (opt) | |
2698 | continue; | |
2699 | ||
2700 | /* Declare the marker procedure only once. */ | |
3d7aafde AJ |
2701 | oprintf (header_file, |
2702 | "extern void gt_%sx_%s (void *);\n", | |
17211ab5 | 2703 | wtd->prefix, s->u.s.tag); |
3d7aafde | 2704 | |
e2500fed GK |
2705 | if (s->u.s.line.file == NULL) |
2706 | { | |
3d7aafde | 2707 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2708 | s->u.s.tag); |
2709 | continue; | |
2710 | } | |
3d7aafde | 2711 | |
e2500fed GK |
2712 | if (s->kind == TYPE_LANG_STRUCT) |
2713 | { | |
2714 | type_p ss; | |
2715 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 | 2716 | write_func_for_structure (s, ss, NULL, wtd); |
e2500fed GK |
2717 | } |
2718 | else | |
17211ab5 | 2719 | write_func_for_structure (s, s, NULL, wtd); |
e2500fed GK |
2720 | } |
2721 | ||
2722 | for (s = param_structs; s; s = s->next) | |
2723 | if (s->gc_used == GC_POINTED_TO) | |
2724 | { | |
36a5eadd | 2725 | type_p * param = s->u.param_struct.param; |
e2500fed GK |
2726 | type_p stru = s->u.param_struct.stru; |
2727 | ||
e2500fed | 2728 | /* Declare the marker procedure. */ |
17211ab5 | 2729 | oprintf (header_file, "extern void gt_%s_", wtd->prefix); |
36a5eadd | 2730 | output_mangled_typename (header_file, s); |
3d7aafde AJ |
2731 | oprintf (header_file, " (void *);\n"); |
2732 | ||
e2500fed GK |
2733 | if (stru->u.s.line.file == NULL) |
2734 | { | |
3d7aafde | 2735 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2736 | s->u.s.tag); |
2737 | continue; | |
2738 | } | |
3d7aafde | 2739 | |
e2500fed GK |
2740 | if (stru->kind == TYPE_LANG_STRUCT) |
2741 | { | |
2742 | type_p ss; | |
2743 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 GK |
2744 | write_func_for_structure (s, ss, param, wtd); |
2745 | } | |
2746 | else | |
2747 | write_func_for_structure (s, stru, param, wtd); | |
2748 | } | |
2749 | } | |
2750 | ||
2751 | static const struct write_types_data ggc_wtd = | |
2752 | { | |
2753 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, | |
8d6419b2 BS |
2754 | "GC marker procedures. ", |
2755 | FALSE | |
17211ab5 GK |
2756 | }; |
2757 | ||
2758 | static const struct write_types_data pch_wtd = | |
2759 | { | |
2760 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", | |
2761 | "gt_pch_note_reorder", | |
8d6419b2 BS |
2762 | "PCH type-walking procedures. ", |
2763 | TRUE | |
17211ab5 GK |
2764 | }; |
2765 | ||
2766 | /* Write out the local pointer-walking routines. */ | |
2767 | ||
2768 | /* process_field routine for local pointer-walking. */ | |
2769 | ||
2770 | static void | |
3d7aafde | 2771 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2772 | { |
2773 | switch (f->kind) | |
2774 | { | |
2775 | case TYPE_POINTER: | |
2776 | case TYPE_STRUCT: | |
2777 | case TYPE_UNION: | |
2778 | case TYPE_LANG_STRUCT: | |
2779 | case TYPE_PARAM_STRUCT: | |
2780 | case TYPE_STRING: | |
2781 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
2782 | d->prev_val[3]); | |
2783 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
2784 | break; | |
2785 | ||
2786 | case TYPE_SCALAR: | |
2787 | break; | |
3d7aafde | 2788 | |
17211ab5 | 2789 | default: |
b2d59f6f | 2790 | gcc_unreachable (); |
17211ab5 GK |
2791 | } |
2792 | } | |
2793 | ||
2794 | /* For S, a structure that's part of ORIG_S, and using parameters | |
2795 | PARAM, write out a routine that: | |
2796 | - Is of type gt_note_pointers | |
d8044160 | 2797 | - Calls PROCESS_FIELD on each field of S or its substructures. |
17211ab5 GK |
2798 | */ |
2799 | ||
2800 | static void | |
3d7aafde | 2801 | write_local_func_for_structure (type_p orig_s, type_p s, type_p *param) |
17211ab5 GK |
2802 | { |
2803 | const char *fn = s->u.s.line.file; | |
2804 | int i; | |
2805 | struct walk_type_data d; | |
3d7aafde | 2806 | |
17211ab5 GK |
2807 | /* This is a hack, and not the good kind either. */ |
2808 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2809 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
17211ab5 GK |
2810 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2811 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2812 | |
17211ab5 GK |
2813 | memset (&d, 0, sizeof (d)); |
2814 | d.of = get_output_file_with_visibility (fn); | |
3d7aafde | 2815 | |
17211ab5 GK |
2816 | d.process_field = write_types_local_process_field; |
2817 | d.opt = s->u.s.opt; | |
2818 | d.line = &s->u.s.line; | |
2819 | d.bitmap = s->u.s.bitmap; | |
2820 | d.param = param; | |
2821 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
e0a21ab9 | 2822 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2823 | d.prev_val[3] = "x"; |
2824 | d.val = "(*x)"; | |
d8044160 | 2825 | d.fn_wants_lvalue = true; |
17211ab5 GK |
2826 | |
2827 | oprintf (d.of, "\n"); | |
2828 | oprintf (d.of, "void\n"); | |
2829 | oprintf (d.of, "gt_pch_p_"); | |
2830 | output_mangled_typename (d.of, orig_s); | |
e18476eb BI |
2831 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
2832 | "\tvoid *x_p,\n" | |
2833 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
2834 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
17211ab5 GK |
2835 | oprintf (d.of, "{\n"); |
2836 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
2837 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
2838 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
2839 | d.indent = 2; | |
2840 | walk_type (s, &d); | |
2841 | oprintf (d.of, "}\n"); | |
2842 | } | |
2843 | ||
2844 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
2845 | ||
2846 | static void | |
3d7aafde | 2847 | write_local (type_p structures, type_p param_structs) |
17211ab5 GK |
2848 | { |
2849 | type_p s; | |
3d7aafde | 2850 | |
17211ab5 GK |
2851 | oprintf (header_file, "\n/* Local pointer-walking routines. */\n"); |
2852 | for (s = structures; s; s = s->next) | |
2853 | if (s->gc_used == GC_POINTED_TO | |
2854 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2855 | { | |
2856 | options_p opt; | |
3d7aafde | 2857 | |
17211ab5 GK |
2858 | if (s->u.s.line.file == NULL) |
2859 | continue; | |
2860 | ||
2861 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2862 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2863 | { | |
e5cfc29f | 2864 | const_type_p const t = (const_type_p) opt->info; |
3d7aafde | 2865 | if (t->kind == TYPE_STRUCT |
17211ab5 GK |
2866 | || t->kind == TYPE_UNION |
2867 | || t->kind == TYPE_LANG_STRUCT) | |
2868 | { | |
2869 | oprintf (header_file, "#define gt_pch_p_"); | |
2870 | output_mangled_typename (header_file, s); | |
2871 | oprintf (header_file, " gt_pch_p_"); | |
2872 | output_mangled_typename (header_file, t); | |
2873 | oprintf (header_file, "\n"); | |
2874 | } | |
2875 | else | |
3d7aafde | 2876 | error_at_line (&s->u.s.line, |
17211ab5 GK |
2877 | "structure alias is not a structure"); |
2878 | break; | |
2879 | } | |
2880 | if (opt) | |
2881 | continue; | |
2882 | ||
2883 | /* Declare the marker procedure only once. */ | |
2884 | oprintf (header_file, "extern void gt_pch_p_"); | |
2885 | output_mangled_typename (header_file, s); | |
3d7aafde AJ |
2886 | oprintf (header_file, |
2887 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2888 | ||
17211ab5 GK |
2889 | if (s->kind == TYPE_LANG_STRUCT) |
2890 | { | |
2891 | type_p ss; | |
2892 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2893 | write_local_func_for_structure (s, ss, NULL); | |
2894 | } | |
2895 | else | |
2896 | write_local_func_for_structure (s, s, NULL); | |
2897 | } | |
2898 | ||
2899 | for (s = param_structs; s; s = s->next) | |
2900 | if (s->gc_used == GC_POINTED_TO) | |
2901 | { | |
2902 | type_p * param = s->u.param_struct.param; | |
2903 | type_p stru = s->u.param_struct.stru; | |
2904 | ||
2905 | /* Declare the marker procedure. */ | |
2906 | oprintf (header_file, "extern void gt_pch_p_"); | |
2907 | output_mangled_typename (header_file, s); | |
3d7aafde AJ |
2908 | oprintf (header_file, |
2909 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2910 | ||
17211ab5 GK |
2911 | if (stru->u.s.line.file == NULL) |
2912 | { | |
3d7aafde | 2913 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
17211ab5 GK |
2914 | s->u.s.tag); |
2915 | continue; | |
2916 | } | |
3d7aafde | 2917 | |
17211ab5 GK |
2918 | if (stru->kind == TYPE_LANG_STRUCT) |
2919 | { | |
2920 | type_p ss; | |
2921 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
2922 | write_local_func_for_structure (s, ss, param); | |
e2500fed GK |
2923 | } |
2924 | else | |
17211ab5 | 2925 | write_local_func_for_structure (s, stru, param); |
36a5eadd GK |
2926 | } |
2927 | } | |
2928 | ||
2929 | /* Write out the 'enum' definition for gt_types_enum. */ | |
2930 | ||
2931 | static void | |
8c80adb7 | 2932 | write_enum_defn (type_p structures, type_p param_structs) |
36a5eadd GK |
2933 | { |
2934 | type_p s; | |
3d7aafde | 2935 | |
36a5eadd GK |
2936 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
2937 | oprintf (header_file, "enum gt_types_enum {\n"); | |
2938 | for (s = structures; s; s = s->next) | |
2939 | if (s->gc_used == GC_POINTED_TO | |
2940 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2941 | { | |
2942 | if (s->gc_used == GC_MAYBE_POINTED_TO | |
2943 | && s->u.s.line.file == NULL) | |
2944 | continue; | |
2945 | ||
2946 | oprintf (header_file, " gt_ggc_e_"); | |
2947 | output_mangled_typename (header_file, s); | |
2948 | oprintf (header_file, ", \n"); | |
e2500fed | 2949 | } |
36a5eadd GK |
2950 | for (s = param_structs; s; s = s->next) |
2951 | if (s->gc_used == GC_POINTED_TO) | |
2952 | { | |
2953 | oprintf (header_file, " gt_e_"); | |
2954 | output_mangled_typename (header_file, s); | |
2955 | oprintf (header_file, ", \n"); | |
2956 | } | |
2957 | oprintf (header_file, " gt_types_enum_last\n"); | |
2958 | oprintf (header_file, "};\n"); | |
e2500fed GK |
2959 | } |
2960 | ||
17211ab5 GK |
2961 | /* Might T contain any non-pointer elements? */ |
2962 | ||
2963 | static int | |
3d7aafde | 2964 | contains_scalar_p (type_p t) |
17211ab5 GK |
2965 | { |
2966 | switch (t->kind) | |
2967 | { | |
2968 | case TYPE_STRING: | |
2969 | case TYPE_POINTER: | |
2970 | return 0; | |
2971 | case TYPE_ARRAY: | |
2972 | return contains_scalar_p (t->u.a.p); | |
2973 | default: | |
2974 | /* Could also check for structures that have no non-pointer | |
2975 | fields, but there aren't enough of those to worry about. */ | |
2976 | return 1; | |
2977 | } | |
2978 | } | |
36a5eadd | 2979 | |
9f313342 GK |
2980 | /* Mangle FN and print it to F. */ |
2981 | ||
e2500fed | 2982 | static void |
3d7aafde | 2983 | put_mangled_filename (outf_p f, const char *fn) |
e2500fed GK |
2984 | { |
2985 | const char *name = get_output_file_name (fn); | |
2986 | for (; *name != 0; name++) | |
1f8e4682 | 2987 | if (ISALNUM (*name)) |
e03856fe | 2988 | oprintf (f, "%c", *name); |
e2500fed | 2989 | else |
e03856fe | 2990 | oprintf (f, "%c", '_'); |
e2500fed GK |
2991 | } |
2992 | ||
9f313342 GK |
2993 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
2994 | LASTNAME, and NAME are all strings to insert in various places in | |
2995 | the resulting code. */ | |
2996 | ||
e2500fed | 2997 | static void |
3d7aafde AJ |
2998 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
2999 | const char *tname, const char *name) | |
e2500fed GK |
3000 | { |
3001 | struct flist *fli2; | |
3d7aafde | 3002 | |
e2500fed GK |
3003 | for (fli2 = flp; fli2; fli2 = fli2->next) |
3004 | if (fli2->started_p) | |
3005 | { | |
e03856fe GK |
3006 | oprintf (fli2->f, " %s\n", lastname); |
3007 | oprintf (fli2->f, "};\n\n"); | |
e2500fed GK |
3008 | } |
3009 | ||
3010 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
3011 | if (fli2->started_p) | |
3012 | { | |
11a67599 | 3013 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
e2500fed GK |
3014 | int fnum; |
3015 | ||
3016 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
3017 | if (bitmap & 1) | |
3018 | { | |
e03856fe | 3019 | oprintf (base_files[fnum], |
17211ab5 | 3020 | "extern const struct %s gt_%s_", |
e2500fed GK |
3021 | tname, pfx); |
3022 | put_mangled_filename (base_files[fnum], fli2->name); | |
e03856fe | 3023 | oprintf (base_files[fnum], "[];\n"); |
e2500fed GK |
3024 | } |
3025 | } | |
3d7aafde | 3026 | |
17211ab5 GK |
3027 | { |
3028 | size_t fnum; | |
11a67599 | 3029 | for (fnum = 0; fnum < num_lang_dirs; fnum++) |
17211ab5 | 3030 | oprintf (base_files [fnum], |
6bc7bc14 | 3031 | "EXPORTED_CONST struct %s * const %s[] = {\n", |
17211ab5 GK |
3032 | tname, name); |
3033 | } | |
3d7aafde | 3034 | |
e2500fed GK |
3035 | |
3036 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
3037 | if (fli2->started_p) | |
3038 | { | |
11a67599 | 3039 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
e2500fed GK |
3040 | int fnum; |
3041 | ||
3042 | fli2->started_p = 0; | |
3043 | ||
3044 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
3045 | if (bitmap & 1) | |
3046 | { | |
17211ab5 | 3047 | oprintf (base_files[fnum], " gt_%s_", pfx); |
e2500fed | 3048 | put_mangled_filename (base_files[fnum], fli2->name); |
e03856fe | 3049 | oprintf (base_files[fnum], ",\n"); |
e2500fed GK |
3050 | } |
3051 | } | |
3052 | ||
3053 | { | |
17211ab5 | 3054 | size_t fnum; |
11a67599 | 3055 | for (fnum = 0; fnum < num_lang_dirs; fnum++) |
17211ab5 GK |
3056 | { |
3057 | oprintf (base_files[fnum], " NULL\n"); | |
3058 | oprintf (base_files[fnum], "};\n"); | |
3059 | } | |
e2500fed GK |
3060 | } |
3061 | } | |
3062 | ||
9f313342 GK |
3063 | /* Write out to F the table entry and any marker routines needed to |
3064 | mark NAME as TYPE. The original variable is V, at LINE. | |
3065 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED | |
3066 | is nonzero iff we are building the root table for hash table caches. */ | |
3067 | ||
e2500fed | 3068 | static void |
3d7aafde AJ |
3069 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
3070 | struct fileloc *line, const char *if_marked) | |
e2500fed GK |
3071 | { |
3072 | switch (type->kind) | |
3073 | { | |
3074 | case TYPE_STRUCT: | |
3075 | { | |
3076 | pair_p fld; | |
3077 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
3078 | { | |
3079 | int skip_p = 0; | |
3080 | const char *desc = NULL; | |
3081 | options_p o; | |
3d7aafde | 3082 | |
e2500fed GK |
3083 | for (o = fld->opt; o; o = o->next) |
3084 | if (strcmp (o->name, "skip") == 0) | |
3085 | skip_p = 1; | |
3086 | else if (strcmp (o->name, "desc") == 0) | |
9e2878cf | 3087 | desc = o->info; |
69c32ec8 JH |
3088 | else if (strcmp (o->name, "param_is") == 0) |
3089 | ; | |
e2500fed GK |
3090 | else |
3091 | error_at_line (line, | |
3092 | "field `%s' of global `%s' has unknown option `%s'", | |
3093 | fld->name, name, o->name); | |
3d7aafde | 3094 | |
e2500fed GK |
3095 | if (skip_p) |
3096 | continue; | |
3097 | else if (desc && fld->type->kind == TYPE_UNION) | |
3098 | { | |
3099 | pair_p validf = NULL; | |
3100 | pair_p ufld; | |
3d7aafde | 3101 | |
e2500fed GK |
3102 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
3103 | { | |
3104 | const char *tag = NULL; | |
3105 | options_p oo; | |
3d7aafde | 3106 | |
e2500fed GK |
3107 | for (oo = ufld->opt; oo; oo = oo->next) |
3108 | if (strcmp (oo->name, "tag") == 0) | |
9e2878cf | 3109 | tag = oo->info; |
e2500fed GK |
3110 | if (tag == NULL || strcmp (tag, desc) != 0) |
3111 | continue; | |
3112 | if (validf != NULL) | |
3d7aafde | 3113 | error_at_line (line, |
e2500fed GK |
3114 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
3115 | name, fld->name, validf->name, | |
3116 | name, fld->name, ufld->name, | |
3117 | tag); | |
3118 | validf = ufld; | |
3119 | } | |
3120 | if (validf != NULL) | |
3121 | { | |
3122 | char *newname; | |
3d7aafde | 3123 | newname = xasprintf ("%s.%s.%s", |
e03856fe | 3124 | name, fld->name, validf->name); |
17211ab5 GK |
3125 | write_root (f, v, validf->type, newname, 0, line, |
3126 | if_marked); | |
e2500fed GK |
3127 | free (newname); |
3128 | } | |
3129 | } | |
3130 | else if (desc) | |
3d7aafde | 3131 | error_at_line (line, |
e2500fed GK |
3132 | "global `%s.%s' has `desc' option but is not union", |
3133 | name, fld->name); | |
3134 | else | |
3135 | { | |
3136 | char *newname; | |
e03856fe | 3137 | newname = xasprintf ("%s.%s", name, fld->name); |
17211ab5 | 3138 | write_root (f, v, fld->type, newname, 0, line, if_marked); |
e2500fed GK |
3139 | free (newname); |
3140 | } | |
3141 | } | |
3142 | } | |
3143 | break; | |
3144 | ||
3145 | case TYPE_ARRAY: | |
3146 | { | |
3147 | char *newname; | |
e03856fe | 3148 | newname = xasprintf ("%s[0]", name); |
17211ab5 | 3149 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked); |
e2500fed GK |
3150 | free (newname); |
3151 | } | |
3152 | break; | |
3d7aafde | 3153 | |
e2500fed GK |
3154 | case TYPE_POINTER: |
3155 | { | |
3156 | type_p ap, tp; | |
3d7aafde | 3157 | |
e03856fe GK |
3158 | oprintf (f, " {\n"); |
3159 | oprintf (f, " &%s,\n", name); | |
3160 | oprintf (f, " 1"); | |
3d7aafde | 3161 | |
e2500fed GK |
3162 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
3163 | if (ap->u.a.len[0]) | |
e03856fe | 3164 | oprintf (f, " * (%s)", ap->u.a.len); |
e2500fed | 3165 | else if (ap == v->type) |
62c71f4b | 3166 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); |
e03856fe GK |
3167 | oprintf (f, ",\n"); |
3168 | oprintf (f, " sizeof (%s", v->name); | |
e2500fed | 3169 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
e03856fe GK |
3170 | oprintf (f, "[0]"); |
3171 | oprintf (f, "),\n"); | |
3d7aafde | 3172 | |
e2500fed | 3173 | tp = type->u.p; |
3d7aafde | 3174 | |
e2500fed GK |
3175 | if (! has_length && UNION_OR_STRUCT_P (tp)) |
3176 | { | |
17211ab5 GK |
3177 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
3178 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
e2500fed GK |
3179 | } |
3180 | else if (! has_length && tp->kind == TYPE_PARAM_STRUCT) | |
3181 | { | |
36a5eadd GK |
3182 | oprintf (f, " >_ggc_m_"); |
3183 | output_mangled_typename (f, tp); | |
17211ab5 GK |
3184 | oprintf (f, ",\n >_pch_n_"); |
3185 | output_mangled_typename (f, tp); | |
e2500fed GK |
3186 | } |
3187 | else if (has_length | |
afb0f770 | 3188 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
e2500fed | 3189 | { |
17211ab5 GK |
3190 | oprintf (f, " >_ggc_ma_%s,\n", name); |
3191 | oprintf (f, " >_pch_na_%s", name); | |
e2500fed GK |
3192 | } |
3193 | else | |
3194 | { | |
3d7aafde | 3195 | error_at_line (line, |
e2500fed GK |
3196 | "global `%s' is pointer to unimplemented type", |
3197 | name); | |
3198 | } | |
3199 | if (if_marked) | |
e03856fe GK |
3200 | oprintf (f, ",\n &%s", if_marked); |
3201 | oprintf (f, "\n },\n"); | |
e2500fed GK |
3202 | } |
3203 | break; | |
3204 | ||
e2500fed | 3205 | case TYPE_STRING: |
17211ab5 GK |
3206 | { |
3207 | oprintf (f, " {\n"); | |
3208 | oprintf (f, " &%s,\n", name); | |
3209 | oprintf (f, " 1, \n"); | |
3210 | oprintf (f, " sizeof (%s),\n", v->name); | |
dae4174e | 3211 | oprintf (f, " (gt_pointer_walker) >_ggc_m_S,\n"); |
f099d360 | 3212 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
17211ab5 GK |
3213 | oprintf (f, " },\n"); |
3214 | } | |
3215 | break; | |
3d7aafde | 3216 | |
17211ab5 | 3217 | case TYPE_SCALAR: |
e2500fed | 3218 | break; |
3d7aafde | 3219 | |
e2500fed | 3220 | default: |
3d7aafde | 3221 | error_at_line (line, |
e2500fed GK |
3222 | "global `%s' is unimplemented type", |
3223 | name); | |
3224 | } | |
3225 | } | |
3226 | ||
17211ab5 GK |
3227 | /* This generates a routine to walk an array. */ |
3228 | ||
3229 | static void | |
3d7aafde | 3230 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
17211ab5 GK |
3231 | { |
3232 | struct walk_type_data d; | |
3233 | char *prevval3; | |
3d7aafde | 3234 | |
17211ab5 GK |
3235 | memset (&d, 0, sizeof (d)); |
3236 | d.of = f; | |
3237 | d.cookie = wtd; | |
3238 | d.indent = 2; | |
3239 | d.line = &v->line; | |
3240 | d.opt = v->opt; | |
11a67599 | 3241 | d.bitmap = get_lang_bitmap (v->line.file); |
17211ab5 GK |
3242 | d.param = NULL; |
3243 | ||
3244 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
3245 | ||
3246 | if (wtd->param_prefix) | |
3247 | { | |
3248 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
3d7aafde AJ |
3249 | oprintf (f, |
3250 | " (void *, void *, gt_pointer_operator, void *);\n"); | |
e18476eb | 3251 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
17211ab5 | 3252 | wtd->param_prefix, v->name); |
e18476eb BI |
3253 | oprintf (d.of, |
3254 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
3255 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3256 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
17211ab5 GK |
3257 | oprintf (d.of, "{\n"); |
3258 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3259 | d.process_field = write_types_local_process_field; | |
3260 | walk_type (v->type, &d); | |
3261 | oprintf (f, "}\n\n"); | |
3262 | } | |
3263 | ||
3264 | d.opt = v->opt; | |
3d7aafde | 3265 | oprintf (f, "static void gt_%sa_%s (void *);\n", |
17211ab5 | 3266 | wtd->prefix, v->name); |
e18476eb | 3267 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
17211ab5 | 3268 | wtd->prefix, v->name); |
17211ab5 GK |
3269 | oprintf (f, "{\n"); |
3270 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3271 | d.process_field = write_types_process_field; | |
3272 | walk_type (v->type, &d); | |
3273 | free (prevval3); | |
3274 | oprintf (f, "}\n\n"); | |
3275 | } | |
3276 | ||
9f313342 GK |
3277 | /* Output a table describing the locations and types of VARIABLES. */ |
3278 | ||
e2500fed | 3279 | static void |
3d7aafde | 3280 | write_roots (pair_p variables) |
e2500fed GK |
3281 | { |
3282 | pair_p v; | |
3283 | struct flist *flp = NULL; | |
3284 | ||
3285 | for (v = variables; v; v = v->next) | |
3286 | { | |
e03856fe | 3287 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3288 | struct flist *fli; |
3289 | const char *length = NULL; | |
3290 | int deletable_p = 0; | |
3291 | options_p o; | |
3292 | ||
3293 | for (o = v->opt; o; o = o->next) | |
3294 | if (strcmp (o->name, "length") == 0) | |
9e2878cf | 3295 | length = o->info; |
e2500fed GK |
3296 | else if (strcmp (o->name, "deletable") == 0) |
3297 | deletable_p = 1; | |
3298 | else if (strcmp (o->name, "param_is") == 0) | |
3299 | ; | |
3d7aafde | 3300 | else if (strncmp (o->name, "param", 5) == 0 |
36a5eadd GK |
3301 | && ISDIGIT (o->name[5]) |
3302 | && strcmp (o->name + 6, "_is") == 0) | |
3303 | ; | |
e2500fed GK |
3304 | else if (strcmp (o->name, "if_marked") == 0) |
3305 | ; | |
3306 | else | |
3d7aafde | 3307 | error_at_line (&v->line, |
e2500fed GK |
3308 | "global `%s' has unknown option `%s'", |
3309 | v->name, o->name); | |
3310 | ||
3311 | for (fli = flp; fli; fli = fli->next) | |
3312 | if (fli->f == f) | |
3313 | break; | |
3314 | if (fli == NULL) | |
3315 | { | |
5d038c4c | 3316 | fli = XNEW (struct flist); |
e2500fed GK |
3317 | fli->f = f; |
3318 | fli->next = flp; | |
3319 | fli->started_p = 0; | |
3320 | fli->name = v->line.file; | |
3321 | flp = fli; | |
3322 | ||
e03856fe | 3323 | oprintf (f, "\n/* GC roots. */\n\n"); |
e2500fed GK |
3324 | } |
3325 | ||
3326 | if (! deletable_p | |
3327 | && length | |
3328 | && v->type->kind == TYPE_POINTER | |
3329 | && (v->type->u.p->kind == TYPE_POINTER | |
3330 | || v->type->u.p->kind == TYPE_STRUCT)) | |
3331 | { | |
17211ab5 GK |
3332 | write_array (f, v, &ggc_wtd); |
3333 | write_array (f, v, &pch_wtd); | |
e2500fed GK |
3334 | } |
3335 | } | |
3336 | ||
3337 | for (v = variables; v; v = v->next) | |
3338 | { | |
e03856fe | 3339 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3340 | struct flist *fli; |
3341 | int skip_p = 0; | |
3342 | int length_p = 0; | |
3343 | options_p o; | |
3d7aafde | 3344 | |
e2500fed GK |
3345 | for (o = v->opt; o; o = o->next) |
3346 | if (strcmp (o->name, "length") == 0) | |
3347 | length_p = 1; | |
3348 | else if (strcmp (o->name, "deletable") == 0 | |
3349 | || strcmp (o->name, "if_marked") == 0) | |
3350 | skip_p = 1; | |
3351 | ||
3352 | if (skip_p) | |
3353 | continue; | |
3354 | ||
3355 | for (fli = flp; fli; fli = fli->next) | |
3356 | if (fli->f == f) | |
3357 | break; | |
3358 | if (! fli->started_p) | |
3359 | { | |
3360 | fli->started_p = 1; | |
3361 | ||
6bc7bc14 | 3362 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_r_"); |
e2500fed | 3363 | put_mangled_filename (f, v->line.file); |
e03856fe | 3364 | oprintf (f, "[] = {\n"); |
e2500fed GK |
3365 | } |
3366 | ||
17211ab5 | 3367 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); |
e2500fed GK |
3368 | } |
3369 | ||
3d7aafde | 3370 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
3371 | "gt_ggc_rtab"); |
3372 | ||
3373 | for (v = variables; v; v = v->next) | |
3374 | { | |
e03856fe | 3375 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3376 | struct flist *fli; |
3377 | int skip_p = 1; | |
3378 | options_p o; | |
3379 | ||
3380 | for (o = v->opt; o; o = o->next) | |
3381 | if (strcmp (o->name, "deletable") == 0) | |
3382 | skip_p = 0; | |
3383 | else if (strcmp (o->name, "if_marked") == 0) | |
3384 | skip_p = 1; | |
3385 | ||
3386 | if (skip_p) | |
3387 | continue; | |
3388 | ||
3389 | for (fli = flp; fli; fli = fli->next) | |
3390 | if (fli->f == f) | |
3391 | break; | |
3392 | if (! fli->started_p) | |
3393 | { | |
3394 | fli->started_p = 1; | |
3395 | ||
6bc7bc14 | 3396 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_rd_"); |
e2500fed | 3397 | put_mangled_filename (f, v->line.file); |
e03856fe | 3398 | oprintf (f, "[] = {\n"); |
e2500fed | 3399 | } |
3d7aafde | 3400 | |
17211ab5 | 3401 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
e2500fed GK |
3402 | v->name, v->name); |
3403 | } | |
3d7aafde | 3404 | |
17211ab5 | 3405 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
3406 | "gt_ggc_deletable_rtab"); |
3407 | ||
3408 | for (v = variables; v; v = v->next) | |
3409 | { | |
e03856fe | 3410 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3411 | struct flist *fli; |
3412 | const char *if_marked = NULL; | |
3413 | int length_p = 0; | |
3414 | options_p o; | |
3d7aafde | 3415 | |
e2500fed GK |
3416 | for (o = v->opt; o; o = o->next) |
3417 | if (strcmp (o->name, "length") == 0) | |
3418 | length_p = 1; | |
3419 | else if (strcmp (o->name, "if_marked") == 0) | |
9e2878cf | 3420 | if_marked = o->info; |
e2500fed GK |
3421 | |
3422 | if (if_marked == NULL) | |
3423 | continue; | |
3424 | ||
3425 | if (v->type->kind != TYPE_POINTER | |
3426 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
3427 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
3428 | { | |
3429 | error_at_line (&v->line, "if_marked option used but not hash table"); | |
3430 | continue; | |
3431 | } | |
3432 | ||
3433 | for (fli = flp; fli; fli = fli->next) | |
3434 | if (fli->f == f) | |
3435 | break; | |
3436 | if (! fli->started_p) | |
3437 | { | |
3438 | fli->started_p = 1; | |
3439 | ||
6bc7bc14 | 3440 | oprintf (f, "EXPORTED_CONST struct ggc_cache_tab gt_ggc_rc_"); |
e2500fed | 3441 | put_mangled_filename (f, v->line.file); |
e03856fe | 3442 | oprintf (f, "[] = {\n"); |
e2500fed | 3443 | } |
3d7aafde | 3444 | |
17211ab5 | 3445 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
e2500fed GK |
3446 | v->name, length_p, &v->line, if_marked); |
3447 | } | |
3d7aafde | 3448 | |
17211ab5 | 3449 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
e2500fed | 3450 | "gt_ggc_cache_rtab"); |
17211ab5 GK |
3451 | |
3452 | for (v = variables; v; v = v->next) | |
3453 | { | |
3454 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3455 | struct flist *fli; | |
3456 | int length_p = 0; | |
3457 | int if_marked_p = 0; | |
3458 | options_p o; | |
3d7aafde | 3459 | |
17211ab5 GK |
3460 | for (o = v->opt; o; o = o->next) |
3461 | if (strcmp (o->name, "length") == 0) | |
3462 | length_p = 1; | |
3463 | else if (strcmp (o->name, "if_marked") == 0) | |
3464 | if_marked_p = 1; | |
3465 | ||
3466 | if (! if_marked_p) | |
3467 | continue; | |
3468 | ||
3469 | for (fli = flp; fli; fli = fli->next) | |
3470 | if (fli->f == f) | |
3471 | break; | |
3472 | if (! fli->started_p) | |
3473 | { | |
3474 | fli->started_p = 1; | |
3475 | ||
6bc7bc14 | 3476 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rc_"); |
17211ab5 GK |
3477 | put_mangled_filename (f, v->line.file); |
3478 | oprintf (f, "[] = {\n"); | |
3479 | } | |
3480 | ||
3481 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); | |
3482 | } | |
3d7aafde | 3483 | |
17211ab5 GK |
3484 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3485 | "gt_pch_cache_rtab"); | |
3486 | ||
3487 | for (v = variables; v; v = v->next) | |
3488 | { | |
3489 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3490 | struct flist *fli; | |
3491 | int skip_p = 0; | |
3492 | options_p o; | |
3493 | ||
3494 | for (o = v->opt; o; o = o->next) | |
3495 | if (strcmp (o->name, "deletable") == 0 | |
3496 | || strcmp (o->name, "if_marked") == 0) | |
3497 | skip_p = 1; | |
3498 | ||
3499 | if (skip_p) | |
3500 | continue; | |
3501 | ||
3502 | if (! contains_scalar_p (v->type)) | |
3503 | continue; | |
3504 | ||
3505 | for (fli = flp; fli; fli = fli->next) | |
3506 | if (fli->f == f) | |
3507 | break; | |
3508 | if (! fli->started_p) | |
3509 | { | |
3510 | fli->started_p = 1; | |
3511 | ||
6bc7bc14 | 3512 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rs_"); |
17211ab5 GK |
3513 | put_mangled_filename (f, v->line.file); |
3514 | oprintf (f, "[] = {\n"); | |
3515 | } | |
3d7aafde | 3516 | |
17211ab5 GK |
3517 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
3518 | v->name, v->name); | |
3519 | } | |
3d7aafde | 3520 | |
17211ab5 GK |
3521 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3522 | "gt_pch_scalar_rtab"); | |
e2500fed GK |
3523 | } |
3524 | ||
4a399aef ZW |
3525 | /* Record the definition of a generic VEC structure, as if we had expanded |
3526 | the macros in vec.h: | |
3527 | ||
3528 | typedef struct VEC_<type>_base GTY(()) { | |
3529 | unsigned num; | |
3530 | unsigned alloc; | |
3531 | <type> GTY((length ("%h.num"))) vec[1]; | |
3532 | } VEC_<type>_base | |
3533 | ||
3534 | where the GTY(()) tags are only present if is_scalar is _false_. */ | |
3535 | ||
3536 | void | |
8ad97cfc | 3537 | note_def_vec (const char *type_name, bool is_scalar, struct fileloc *pos) |
4a399aef | 3538 | { |
065ae611 | 3539 | pair_p fields; |
4a399aef ZW |
3540 | type_p t; |
3541 | options_p o; | |
065ae611 | 3542 | type_p len_ty = create_scalar_type ("unsigned"); |
8ad97cfc | 3543 | const char *name = concat ("VEC_", type_name, "_base", (char *)0); |
4a399aef ZW |
3544 | |
3545 | if (is_scalar) | |
3546 | { | |
8ad97cfc | 3547 | t = create_scalar_type (type_name); |
4a399aef ZW |
3548 | o = 0; |
3549 | } | |
3550 | else | |
3551 | { | |
8ad97cfc | 3552 | t = resolve_typedef (type_name, pos); |
4a399aef ZW |
3553 | o = create_option (0, "length", "%h.num"); |
3554 | } | |
3555 | ||
3556 | /* We assemble the field list in reverse order. */ | |
065ae611 ZW |
3557 | fields = create_field_at (0, create_array (t, "1"), "vec", o, pos); |
3558 | fields = create_field_at (fields, len_ty, "alloc", 0, pos); | |
3559 | fields = create_field_at (fields, len_ty, "num", 0, pos); | |
4a399aef ZW |
3560 | |
3561 | do_typedef (name, new_structure (name, 0, pos, fields, 0), pos); | |
3562 | } | |
3563 | ||
3564 | /* Record the definition of an allocation-specific VEC structure, as if | |
3565 | we had expanded the macros in vec.h: | |
3566 | ||
3567 | typedef struct VEC_<type>_<astrat> { | |
3568 | VEC_<type>_base base; | |
3569 | } VEC_<type>_<astrat>; | |
3570 | */ | |
3571 | void | |
3572 | note_def_vec_alloc (const char *type, const char *astrat, struct fileloc *pos) | |
3573 | { | |
3574 | const char *astratname = concat ("VEC_", type, "_", astrat, (char *)0); | |
3575 | const char *basename = concat ("VEC_", type, "_base", (char *)0); | |
3576 | ||
065ae611 ZW |
3577 | pair_p field = create_field_at (0, resolve_typedef (basename, pos), |
3578 | "base", 0, pos); | |
4a399aef ZW |
3579 | |
3580 | do_typedef (astratname, new_structure (astratname, 0, pos, field, 0), pos); | |
3581 | } | |
3582 | ||
e2500fed | 3583 | \f |
3d7aafde | 3584 | int |
11a67599 | 3585 | main (int argc, char **argv) |
e2500fed | 3586 | { |
11a67599 | 3587 | size_t i; |
01d419ae | 3588 | static struct fileloc pos = { this_file, 0 }; |
3d7aafde | 3589 | |
11a67599 ZW |
3590 | /* fatal uses this */ |
3591 | progname = "gengtype"; | |
3592 | ||
3593 | if (argc != 3) | |
3594 | fatal ("usage: gengtype srcdir input-list"); | |
3595 | ||
3596 | srcdir = argv[1]; | |
8ac9d31f | 3597 | srcdir_len = strlen (srcdir); |
e2500fed | 3598 | |
11a67599 ZW |
3599 | read_input_list (argv[2]); |
3600 | if (hit_error) | |
3601 | return 1; | |
3602 | ||
95161faf ZW |
3603 | scalar_char.u.scalar_is_char = true; |
3604 | scalar_nonchar.u.scalar_is_char = false; | |
95161faf ZW |
3605 | gen_rtx_next (); |
3606 | ||
01d419ae ZW |
3607 | /* These types are set up with #define or else outside of where |
3608 | we can see them. */ | |
3609 | pos.line = __LINE__ + 1; | |
3610 | do_scalar_typedef ("CUMULATIVE_ARGS", &pos); pos.line++; | |
3611 | do_scalar_typedef ("REAL_VALUE_TYPE", &pos); pos.line++; | |
1e1ba002 | 3612 | do_scalar_typedef ("FIXED_VALUE_TYPE", &pos); pos.line++; |
01d419ae ZW |
3613 | do_scalar_typedef ("double_int", &pos); pos.line++; |
3614 | do_scalar_typedef ("uint8", &pos); pos.line++; | |
3615 | do_scalar_typedef ("jword", &pos); pos.line++; | |
3616 | do_scalar_typedef ("JCF_u2", &pos); pos.line++; | |
3617 | do_scalar_typedef ("void", &pos); pos.line++; | |
a813c111 | 3618 | do_typedef ("PTR", create_pointer (resolve_typedef ("void", &pos)), &pos); |
ed8d2920 | 3619 | |
11a67599 | 3620 | for (i = 0; i < num_gt_files; i++) |
01d419ae | 3621 | parse_file (gt_files[i]); |
e2500fed | 3622 | |
01d419ae | 3623 | if (hit_error) |
065ae611 | 3624 | return 1; |
e2500fed GK |
3625 | |
3626 | set_gc_used (variables); | |
3627 | ||
3628 | open_base_files (); | |
36a5eadd | 3629 | write_enum_defn (structures, param_structs); |
17211ab5 GK |
3630 | write_types (structures, param_structs, &ggc_wtd); |
3631 | write_types (structures, param_structs, &pch_wtd); | |
3632 | write_local (structures, param_structs); | |
3633 | write_roots (variables); | |
36a5eadd | 3634 | write_rtx_next (); |
e2500fed GK |
3635 | close_output_files (); |
3636 | ||
01d419ae ZW |
3637 | if (hit_error) |
3638 | return 1; | |
3639 | return 0; | |
e2500fed | 3640 | } |