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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 | |
bd117bb6 | 131 | INPUT_FILE. May return NULL in plugin mode. */ |
065ae611 ZW |
132 | extern outf_p get_output_file_with_visibility |
133 | (const char *input_file); | |
134 | const char *get_output_file_name (const char *); | |
135 | ||
bd117bb6 | 136 | /* Print, like fprintf, to O. No-op if O is NULL. */ |
065ae611 ZW |
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 | ||
bd117bb6 BS |
143 | /* The plugin input files and their number; in that case only |
144 | corresponding gt-<plugin>.h are generated in the current | |
145 | directory. */ | |
146 | static char** plugin_files; | |
147 | static int nb_plugin_files; | |
148 | ||
065ae611 ZW |
149 | /* The output header file that is included into pretty much every |
150 | source file. */ | |
151 | static outf_p header_file; | |
152 | ||
11a67599 ZW |
153 | /* Source directory. */ |
154 | static const char *srcdir; | |
065ae611 ZW |
155 | |
156 | /* Length of srcdir name. */ | |
8de8de02 | 157 | static size_t srcdir_len = 0; |
065ae611 | 158 | |
065ae611 | 159 | static outf_p create_file (const char *, const char *); |
8de8de02 | 160 | |
065ae611 | 161 | static const char * get_file_basename (const char *); |
8de8de02 OH |
162 | static const char * get_file_realbasename (const char *); |
163 | static const char * get_file_srcdir_relative_path (const char *); | |
164 | ||
165 | static int get_prefix_langdir_index (const char *); | |
166 | static const char * get_file_langdir (const char *); | |
065ae611 ZW |
167 | |
168 | \f | |
9f313342 | 169 | /* Nonzero iff an error has occurred. */ |
01d419ae | 170 | bool hit_error = false; |
9f313342 | 171 | |
3d7aafde AJ |
172 | static void gen_rtx_next (void); |
173 | static void write_rtx_next (void); | |
174 | static void open_base_files (void); | |
175 | static void close_output_files (void); | |
ef171ead | 176 | |
9f313342 GK |
177 | /* Report an error at POS, printing MSG. */ |
178 | ||
e2500fed | 179 | void |
e34d07f2 | 180 | error_at_line (struct fileloc *pos, const char *msg, ...) |
e2500fed | 181 | { |
e34d07f2 | 182 | va_list ap; |
3d7aafde | 183 | |
e34d07f2 | 184 | va_start (ap, msg); |
e2500fed GK |
185 | |
186 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
187 | vfprintf (stderr, msg, ap); | |
188 | fputc ('\n', stderr); | |
01d419ae | 189 | hit_error = true; |
e2500fed | 190 | |
e34d07f2 | 191 | va_end (ap); |
e2500fed GK |
192 | } |
193 | ||
065ae611 | 194 | /* asprintf, but produces fatal message on out-of-memory. */ |
01d419ae | 195 | char * |
e34d07f2 | 196 | xasprintf (const char *format, ...) |
e03856fe | 197 | { |
065ae611 | 198 | int n; |
e03856fe | 199 | char *result; |
e34d07f2 | 200 | va_list ap; |
3d7aafde | 201 | |
e34d07f2 | 202 | va_start (ap, format); |
065ae611 ZW |
203 | n = vasprintf (&result, format, ap); |
204 | if (result == NULL || n < 0) | |
205 | fatal ("out of memory"); | |
e34d07f2 | 206 | va_end (ap); |
065ae611 | 207 | |
e03856fe GK |
208 | return result; |
209 | } | |
11a67599 ZW |
210 | \f |
211 | /* Input file handling. */ | |
212 | ||
213 | /* Table of all input files. */ | |
214 | static const char **gt_files; | |
215 | static size_t num_gt_files; | |
216 | ||
01d419ae ZW |
217 | /* A number of places use the name of this file for a location for |
218 | things that we can't rely on the source to define. Make sure we | |
219 | can still use pointer comparison on filenames. */ | |
220 | static const char this_file[] = __FILE__; | |
221 | ||
11a67599 ZW |
222 | /* Vector of per-language directories. */ |
223 | static const char **lang_dir_names; | |
224 | static size_t num_lang_dirs; | |
225 | ||
226 | /* An array of output files suitable for definitions. There is one | |
227 | BASE_FILES entry for each language. */ | |
228 | static outf_p *base_files; | |
229 | ||
230 | /* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff | |
231 | INPUT_FILE is used by <lang>. | |
232 | ||
233 | This function should be written to assume that a file _is_ used | |
234 | if the situation is unclear. If it wrongly assumes a file _is_ used, | |
235 | a linker error will result. If it wrongly assumes a file _is not_ used, | |
236 | some GC roots may be missed, which is a much harder-to-debug problem. | |
237 | ||
238 | The relevant bitmap is stored immediately before the file's name in the | |
239 | buffer set up by read_input_list. It may be unaligned, so we have to | |
240 | read it byte-by-byte. */ | |
e03856fe | 241 | |
11a67599 ZW |
242 | static lang_bitmap |
243 | get_lang_bitmap (const char *gtfile) | |
244 | { | |
01d419ae ZW |
245 | |
246 | if (gtfile == this_file) | |
247 | /* Things defined in this file are universal. */ | |
248 | return (((lang_bitmap)1) << num_lang_dirs) - 1; | |
249 | else | |
250 | { | |
251 | lang_bitmap n = 0; | |
252 | int i; | |
253 | for (i = -(int) sizeof (lang_bitmap); i < 0; i++) | |
254 | n = (n << CHAR_BIT) + (unsigned char)gtfile[i]; | |
255 | return n; | |
256 | } | |
11a67599 ZW |
257 | } |
258 | ||
259 | /* Set the bitmap returned by get_lang_bitmap. The only legitimate | |
260 | caller of this function is read_input_list. */ | |
261 | static void | |
262 | set_lang_bitmap (char *gtfile, lang_bitmap n) | |
263 | { | |
264 | int i; | |
265 | for (i = -1; i >= -(int) sizeof (lang_bitmap); i--) | |
266 | { | |
267 | gtfile[i] = n & ((1U << CHAR_BIT)-1); | |
268 | n >>= CHAR_BIT; | |
269 | } | |
270 | } | |
271 | ||
272 | /* Scan the input file, LIST, and determine how much space we need to | |
273 | store strings in. Also, count the number of language directories | |
274 | and files. The numbers returned are overestimates as they does not | |
275 | consider repeated files. */ | |
276 | static size_t | |
277 | measure_input_list (FILE *list) | |
278 | { | |
279 | size_t n = 0; | |
280 | int c; | |
281 | bool atbol = true; | |
282 | num_lang_dirs = 0; | |
bd117bb6 | 283 | num_gt_files = plugin_files ? nb_plugin_files : 0; |
11a67599 ZW |
284 | while ((c = getc (list)) != EOF) |
285 | { | |
286 | n++; | |
287 | if (atbol) | |
288 | { | |
289 | if (c == '[') | |
290 | num_lang_dirs++; | |
291 | else | |
292 | { | |
293 | /* Add space for a lang_bitmap before the input file name. */ | |
294 | n += sizeof (lang_bitmap); | |
295 | num_gt_files++; | |
296 | } | |
297 | atbol = false; | |
298 | } | |
299 | ||
300 | if (c == '\n') | |
301 | atbol = true; | |
302 | } | |
303 | ||
304 | rewind (list); | |
305 | return n; | |
306 | } | |
307 | ||
308 | /* Read one input line from LIST to HEREP (which is updated). A | |
309 | pointer to the string is returned via LINEP. If it was a language | |
310 | subdirectory in square brackets, strip off the square brackets and | |
311 | return true. Otherwise, leave space before the string for a | |
312 | lang_bitmap, and return false. At EOF, returns false, does not | |
313 | touch *HEREP, and sets *LINEP to NULL. POS is used for | |
314 | diagnostics. */ | |
315 | static bool | |
316 | read_input_line (FILE *list, char **herep, char **linep, | |
317 | struct fileloc *pos) | |
318 | { | |
319 | char *here = *herep; | |
320 | char *line; | |
321 | int c = getc (list); | |
322 | ||
1b77ee03 MM |
323 | /* Read over whitespace. */ |
324 | while (c == '\n' || c == ' ') | |
325 | c = getc (list); | |
326 | ||
11a67599 ZW |
327 | if (c == EOF) |
328 | { | |
329 | *linep = 0; | |
330 | return false; | |
331 | } | |
332 | else if (c == '[') | |
333 | { | |
334 | /* No space for a lang_bitmap is necessary. Discard the '['. */ | |
335 | c = getc (list); | |
336 | line = here; | |
337 | while (c != ']' && c != '\n' && c != EOF) | |
338 | { | |
339 | *here++ = c; | |
340 | c = getc (list); | |
341 | } | |
342 | *here++ = '\0'; | |
343 | ||
344 | if (c == ']') | |
345 | { | |
346 | c = getc (list); /* eat what should be a newline */ | |
347 | if (c != '\n' && c != EOF) | |
348 | error_at_line (pos, "junk on line after language tag [%s]", line); | |
349 | } | |
350 | else | |
351 | error_at_line (pos, "missing close bracket for language tag [%s", line); | |
352 | ||
353 | *herep = here; | |
354 | *linep = line; | |
355 | return true; | |
356 | } | |
357 | else | |
358 | { | |
359 | /* Leave space for a lang_bitmap. */ | |
360 | memset (here, 0, sizeof (lang_bitmap)); | |
361 | here += sizeof (lang_bitmap); | |
362 | line = here; | |
363 | do | |
364 | { | |
365 | *here++ = c; | |
366 | c = getc (list); | |
367 | } | |
368 | while (c != EOF && c != '\n'); | |
369 | *here++ = '\0'; | |
370 | *herep = here; | |
371 | *linep = line; | |
372 | return false; | |
373 | } | |
374 | } | |
375 | ||
376 | /* Read the list of input files from LIST and compute all of the | |
377 | relevant tables. There is one file per line of the list. At | |
378 | first, all the files on the list are language-generic, but | |
379 | eventually a line will appear which is the name of a language | |
380 | subdirectory in square brackets, like this: [cp]. All subsequent | |
381 | files are specific to that language, until another language | |
382 | subdirectory tag appears. Files can appear more than once, if | |
383 | they apply to more than one language. */ | |
384 | static void | |
385 | read_input_list (const char *listname) | |
386 | { | |
387 | FILE *list = fopen (listname, "r"); | |
388 | if (!list) | |
389 | fatal ("cannot open %s: %s", listname, strerror (errno)); | |
390 | else | |
391 | { | |
392 | struct fileloc epos; | |
393 | size_t bufsz = measure_input_list (list); | |
394 | char *buf = XNEWVEC (char, bufsz); | |
395 | char *here = buf; | |
396 | char *committed = buf; | |
397 | char *limit = buf + bufsz; | |
398 | char *line; | |
399 | bool is_language; | |
400 | size_t langno = 0; | |
401 | size_t nfiles = 0; | |
402 | lang_bitmap curlangs = (1 << num_lang_dirs) - 1; | |
403 | ||
404 | epos.file = listname; | |
405 | epos.line = 0; | |
406 | ||
407 | lang_dir_names = XNEWVEC (const char *, num_lang_dirs); | |
408 | gt_files = XNEWVEC (const char *, num_gt_files); | |
409 | ||
410 | for (;;) | |
411 | { | |
412 | next_line: | |
413 | epos.line++; | |
414 | committed = here; | |
415 | is_language = read_input_line (list, &here, &line, &epos); | |
416 | gcc_assert (here <= limit); | |
417 | if (line == 0) | |
418 | break; | |
419 | else if (is_language) | |
420 | { | |
421 | size_t i; | |
422 | gcc_assert (langno <= num_lang_dirs); | |
423 | for (i = 0; i < langno; i++) | |
424 | if (strcmp (lang_dir_names[i], line) == 0) | |
425 | { | |
426 | error_at_line (&epos, "duplicate language tag [%s]", line); | |
427 | curlangs = 1 << i; | |
428 | here = committed; | |
429 | goto next_line; | |
430 | } | |
431 | ||
432 | curlangs = 1 << langno; | |
433 | lang_dir_names[langno++] = line; | |
434 | } | |
435 | else | |
436 | { | |
437 | size_t i; | |
438 | gcc_assert (nfiles <= num_gt_files); | |
439 | for (i = 0; i < nfiles; i++) | |
440 | if (strcmp (gt_files[i], line) == 0) | |
441 | { | |
442 | /* Throw away the string we just read, and add the | |
443 | current language to the existing string's bitmap. */ | |
444 | lang_bitmap bmap = get_lang_bitmap (gt_files[i]); | |
445 | if (bmap & curlangs) | |
446 | error_at_line (&epos, "file %s specified more than once " | |
447 | "for language %s", line, langno == 0 | |
448 | ? "(all)" | |
449 | : lang_dir_names[langno - 1]); | |
450 | ||
451 | bmap |= curlangs; | |
7cbb2a85 | 452 | set_lang_bitmap (CONST_CAST(char *, gt_files[i]), bmap); |
11a67599 ZW |
453 | here = committed; |
454 | goto next_line; | |
455 | } | |
456 | ||
457 | set_lang_bitmap (line, curlangs); | |
458 | gt_files[nfiles++] = line; | |
459 | } | |
460 | } | |
461 | /* Update the global counts now that we know accurately how many | |
462 | things there are. (We do not bother resizing the arrays down.) */ | |
463 | num_lang_dirs = langno; | |
bd117bb6 BS |
464 | /* Add the plugin files if provided. */ |
465 | if (plugin_files) | |
466 | { | |
467 | int i; | |
468 | for (i = 0; i < nb_plugin_files; i++) | |
469 | gt_files[nfiles++] = plugin_files[i]; | |
470 | } | |
11a67599 ZW |
471 | num_gt_files = nfiles; |
472 | } | |
473 | ||
474 | /* Sanity check: any file that resides in a language subdirectory | |
475 | (e.g. 'cp') ought to belong to the corresponding language. | |
476 | ??? Still true if for instance ObjC++ is enabled and C++ isn't? | |
477 | (Can you even do that? Should you be allowed to?) */ | |
478 | { | |
479 | size_t f; | |
480 | for (f = 0; f < num_gt_files; f++) | |
481 | { | |
482 | lang_bitmap bitmap = get_lang_bitmap (gt_files[f]); | |
483 | const char *basename = get_file_basename (gt_files[f]); | |
484 | const char *slashpos = strchr (basename, '/'); | |
485 | ||
486 | if (slashpos) | |
487 | { | |
488 | size_t l; | |
489 | for (l = 0; l < num_lang_dirs; l++) | |
490 | if ((size_t)(slashpos - basename) == strlen (lang_dir_names [l]) | |
491 | && memcmp (basename, lang_dir_names[l], | |
492 | strlen (lang_dir_names[l])) == 0) | |
493 | { | |
494 | if (!(bitmap & (1 << l))) | |
495 | error ("%s is in language directory '%s' but is not " | |
496 | "tagged for that language", | |
497 | basename, lang_dir_names[l]); | |
498 | break; | |
499 | } | |
500 | } | |
501 | } | |
502 | } | |
503 | ||
504 | if (ferror (list)) | |
505 | fatal ("error reading %s: %s", listname, strerror (errno)); | |
506 | ||
507 | fclose (list); | |
508 | } | |
509 | ||
510 | ||
511 | \f | |
9f313342 GK |
512 | /* The one and only TYPE_STRING. */ |
513 | ||
95161faf ZW |
514 | static struct type string_type = { |
515 | TYPE_STRING, 0, 0, GC_USED, {0} | |
516 | }; | |
517 | ||
518 | /* The two and only TYPE_SCALARs. Their u.scalar_is_char flags are | |
519 | set to appropriate values at the beginning of main. */ | |
520 | ||
521 | static struct type scalar_nonchar = { | |
522 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
523 | }; | |
524 | static struct type scalar_char = { | |
525 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
3d7aafde | 526 | }; |
e2500fed | 527 | |
9f313342 GK |
528 | /* Lists of various things. */ |
529 | ||
e2500fed GK |
530 | static pair_p typedefs; |
531 | static type_p structures; | |
532 | static type_p param_structs; | |
533 | static pair_p variables; | |
534 | ||
3d7aafde AJ |
535 | static type_p find_param_structure |
536 | (type_p t, type_p param[NUM_PARAM]); | |
537 | static type_p adjust_field_tree_exp (type_p t, options_p opt); | |
538 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
36a5eadd | 539 | |
9f313342 GK |
540 | /* Define S as a typedef to T at POS. */ |
541 | ||
e2500fed | 542 | void |
3d7aafde | 543 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
e2500fed GK |
544 | { |
545 | pair_p p; | |
546 | ||
2d593c86 TT |
547 | /* temporary kludge - gengtype doesn't handle conditionals or |
548 | macros. Ignore any attempt to typedef CUMULATIVE_ARGS, unless it | |
549 | is coming from this file (main() sets them up with safe dummy | |
550 | definitions). */ | |
551 | if (!strcmp (s, "CUMULATIVE_ARGS") && pos->file != this_file) | |
01d419ae ZW |
552 | return; |
553 | ||
e2500fed GK |
554 | for (p = typedefs; p != NULL; p = p->next) |
555 | if (strcmp (p->name, s) == 0) | |
556 | { | |
557 | if (p->type != t) | |
558 | { | |
559 | error_at_line (pos, "type `%s' previously defined", s); | |
560 | error_at_line (&p->line, "previously defined here"); | |
561 | } | |
562 | return; | |
563 | } | |
564 | ||
5d038c4c | 565 | p = XNEW (struct pair); |
e2500fed GK |
566 | p->next = typedefs; |
567 | p->name = s; | |
568 | p->type = t; | |
569 | p->line = *pos; | |
570 | typedefs = p; | |
571 | } | |
572 | ||
95161faf ZW |
573 | /* Define S as a typename of a scalar. Cannot be used to define |
574 | typedefs of 'char'. Note: is also used for pointer-to-function | |
575 | typedefs (which are therefore not treated as pointers). */ | |
36a5eadd | 576 | |
95161faf | 577 | void |
3d7aafde | 578 | do_scalar_typedef (const char *s, struct fileloc *pos) |
36a5eadd | 579 | { |
95161faf | 580 | do_typedef (s, &scalar_nonchar, pos); |
36a5eadd GK |
581 | } |
582 | ||
e34bb004 | 583 | /* Return the type previously defined for S. Use POS to report errors. */ |
9f313342 | 584 | |
e2500fed | 585 | type_p |
3d7aafde | 586 | resolve_typedef (const char *s, struct fileloc *pos) |
e2500fed GK |
587 | { |
588 | pair_p p; | |
589 | for (p = typedefs; p != NULL; p = p->next) | |
590 | if (strcmp (p->name, s) == 0) | |
591 | return p->type; | |
592 | error_at_line (pos, "unidentified type `%s'", s); | |
95161faf | 593 | return &scalar_nonchar; /* treat as "int" */ |
e2500fed GK |
594 | } |
595 | ||
0f01f026 RS |
596 | /* Create and return a new structure with tag NAME (or a union iff |
597 | ISUNION is nonzero), at POS with fields FIELDS and options O. */ | |
9f313342 | 598 | |
0f01f026 | 599 | type_p |
3d7aafde AJ |
600 | new_structure (const char *name, int isunion, struct fileloc *pos, |
601 | pair_p fields, options_p o) | |
e2500fed GK |
602 | { |
603 | type_p si; | |
604 | type_p s = NULL; | |
11a67599 | 605 | lang_bitmap bitmap = get_lang_bitmap (pos->file); |
e2500fed | 606 | |
01d419ae ZW |
607 | /* temporary kludge - gengtype doesn't handle conditionals or |
608 | macros. Ignore any attempt to define struct location_s, unless | |
609 | it is coming from this file (main() sets it up safely). */ | |
610 | if (!strcmp (name, "location_s") && !isunion | |
611 | && pos->file != this_file) | |
612 | return find_structure (name, 0); | |
613 | ||
e2500fed | 614 | for (si = structures; si != NULL; si = si->next) |
3d7aafde | 615 | if (strcmp (name, si->u.s.tag) == 0 |
e2500fed GK |
616 | && UNION_P (si) == isunion) |
617 | { | |
618 | type_p ls = NULL; | |
619 | if (si->kind == TYPE_LANG_STRUCT) | |
620 | { | |
621 | ls = si; | |
3d7aafde | 622 | |
e2500fed GK |
623 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
624 | if (si->u.s.bitmap == bitmap) | |
625 | s = si; | |
626 | } | |
627 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
628 | { | |
629 | ls = si; | |
5d038c4c | 630 | si = XCNEW (struct type); |
e2500fed GK |
631 | memcpy (si, ls, sizeof (struct type)); |
632 | ls->kind = TYPE_LANG_STRUCT; | |
633 | ls->u.s.lang_struct = si; | |
634 | ls->u.s.fields = NULL; | |
635 | si->next = NULL; | |
636 | si->pointer_to = NULL; | |
637 | si->u.s.lang_struct = ls; | |
638 | } | |
639 | else | |
640 | s = si; | |
641 | ||
642 | if (ls != NULL && s == NULL) | |
643 | { | |
5d038c4c | 644 | s = XCNEW (struct type); |
e2500fed GK |
645 | s->next = ls->u.s.lang_struct; |
646 | ls->u.s.lang_struct = s; | |
647 | s->u.s.lang_struct = ls; | |
648 | } | |
649 | break; | |
650 | } | |
3d7aafde | 651 | |
e2500fed GK |
652 | if (s == NULL) |
653 | { | |
5d038c4c | 654 | s = XCNEW (struct type); |
e2500fed GK |
655 | s->next = structures; |
656 | structures = s; | |
657 | } | |
658 | ||
659 | if (s->u.s.line.file != NULL | |
660 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
661 | { | |
01d419ae ZW |
662 | error_at_line (pos, "duplicate definition of '%s %s'", |
663 | isunion ? "union" : "struct", s->u.s.tag); | |
e2500fed GK |
664 | error_at_line (&s->u.s.line, "previous definition here"); |
665 | } | |
666 | ||
667 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
668 | s->u.s.tag = name; | |
669 | s->u.s.line = *pos; | |
670 | s->u.s.fields = fields; | |
671 | s->u.s.opt = o; | |
672 | s->u.s.bitmap = bitmap; | |
673 | if (s->u.s.lang_struct) | |
674 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
0f01f026 | 675 | |
01d419ae ZW |
676 | /* Reset location_s's location to input.h so that we know where to |
677 | write out its mark routine. */ | |
678 | if (!strcmp (name, "location_s") && !isunion | |
679 | && pos->file == this_file) | |
680 | { | |
681 | size_t n; | |
682 | for (n = 0; n < num_gt_files; n++) | |
683 | if (!strcmp (gt_files[n] + strlen (gt_files[n]) - strlen ("input.h"), | |
684 | "input.h")) | |
685 | { | |
686 | s->u.s.line.file = gt_files[n]; | |
687 | break; | |
688 | } | |
689 | } | |
690 | ||
691 | return s; | |
e2500fed GK |
692 | } |
693 | ||
9f313342 GK |
694 | /* Return the previously-defined structure with tag NAME (or a union |
695 | iff ISUNION is nonzero), or a new empty structure or union if none | |
696 | was defined previously. */ | |
697 | ||
e2500fed | 698 | type_p |
3d7aafde | 699 | find_structure (const char *name, int isunion) |
e2500fed GK |
700 | { |
701 | type_p s; | |
702 | ||
703 | for (s = structures; s != NULL; s = s->next) | |
3d7aafde | 704 | if (strcmp (name, s->u.s.tag) == 0 |
e2500fed GK |
705 | && UNION_P (s) == isunion) |
706 | return s; | |
707 | ||
5d038c4c | 708 | s = XCNEW (struct type); |
e2500fed GK |
709 | s->next = structures; |
710 | structures = s; | |
711 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
712 | s->u.s.tag = name; | |
713 | structures = s; | |
714 | return s; | |
715 | } | |
716 | ||
272d0bee KH |
717 | /* Return the previously-defined parameterized structure for structure |
718 | T and parameters PARAM, or a new parameterized empty structure or | |
991b6592 | 719 | union if none was defined previously. */ |
36a5eadd GK |
720 | |
721 | static type_p | |
3d7aafde | 722 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
36a5eadd GK |
723 | { |
724 | type_p res; | |
3d7aafde | 725 | |
36a5eadd GK |
726 | for (res = param_structs; res; res = res->next) |
727 | if (res->u.param_struct.stru == t | |
3d7aafde | 728 | && memcmp (res->u.param_struct.param, param, |
36a5eadd GK |
729 | sizeof (type_p) * NUM_PARAM) == 0) |
730 | break; | |
731 | if (res == NULL) | |
732 | { | |
5d038c4c | 733 | res = XCNEW (struct type); |
36a5eadd GK |
734 | res->kind = TYPE_PARAM_STRUCT; |
735 | res->next = param_structs; | |
736 | param_structs = res; | |
737 | res->u.param_struct.stru = t; | |
738 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
739 | } | |
740 | return res; | |
741 | } | |
742 | ||
9f313342 GK |
743 | /* Return a scalar type with name NAME. */ |
744 | ||
e2500fed | 745 | type_p |
95161faf | 746 | create_scalar_type (const char *name) |
e2500fed | 747 | { |
95161faf ZW |
748 | if (!strcmp (name, "char") || !strcmp (name, "unsigned char")) |
749 | return &scalar_char; | |
750 | else | |
751 | return &scalar_nonchar; | |
e2500fed GK |
752 | } |
753 | ||
9f313342 GK |
754 | /* Return a pointer to T. */ |
755 | ||
e2500fed | 756 | type_p |
3d7aafde | 757 | create_pointer (type_p t) |
e2500fed GK |
758 | { |
759 | if (! t->pointer_to) | |
760 | { | |
5d038c4c | 761 | type_p r = XCNEW (struct type); |
e2500fed GK |
762 | r->kind = TYPE_POINTER; |
763 | r->u.p = t; | |
764 | t->pointer_to = r; | |
765 | } | |
766 | return t->pointer_to; | |
767 | } | |
768 | ||
9f313342 GK |
769 | /* Return an array of length LEN. */ |
770 | ||
e2500fed | 771 | type_p |
3d7aafde | 772 | create_array (type_p t, const char *len) |
e2500fed GK |
773 | { |
774 | type_p v; | |
3d7aafde | 775 | |
5d038c4c | 776 | v = XCNEW (struct type); |
e2500fed GK |
777 | v->kind = TYPE_ARRAY; |
778 | v->u.a.p = t; | |
779 | v->u.a.len = len; | |
780 | return v; | |
781 | } | |
782 | ||
0f01f026 RS |
783 | /* Return an options structure with name NAME and info INFO. NEXT is the |
784 | next option in the chain. */ | |
785 | ||
1431042e | 786 | options_p |
0f01f026 | 787 | create_option (options_p next, const char *name, const void *info) |
1431042e | 788 | { |
5d038c4c | 789 | options_p o = XNEW (struct options); |
0f01f026 | 790 | o->next = next; |
1431042e | 791 | o->name = name; |
9e2878cf | 792 | o->info = (const char*) info; |
1431042e ZW |
793 | return o; |
794 | } | |
795 | ||
17defa6a ZW |
796 | /* Return an options structure for a "nested_ptr" option. */ |
797 | options_p | |
065ae611 ZW |
798 | create_nested_ptr_option (options_p next, type_p t, |
799 | const char *to, const char *from) | |
17defa6a ZW |
800 | { |
801 | struct nested_ptr_data *d = XNEW (struct nested_ptr_data); | |
802 | ||
803 | d->type = adjust_field_type (t, 0); | |
804 | d->convert_to = to; | |
805 | d->convert_from = from; | |
065ae611 | 806 | return create_option (next, "nested_ptr", d); |
17defa6a ZW |
807 | } |
808 | ||
36a5eadd GK |
809 | /* Add a variable named S of type T with options O defined at POS, |
810 | to `variables'. */ | |
811 | ||
812 | void | |
3d7aafde | 813 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
36a5eadd GK |
814 | { |
815 | pair_p n; | |
5d038c4c | 816 | n = XNEW (struct pair); |
36a5eadd GK |
817 | n->name = s; |
818 | n->type = t; | |
819 | n->line = *pos; | |
820 | n->opt = o; | |
821 | n->next = variables; | |
822 | variables = n; | |
823 | } | |
824 | ||
065ae611 | 825 | /* Most-general structure field creator. */ |
0f01f026 | 826 | static pair_p |
065ae611 ZW |
827 | create_field_all (pair_p next, type_p type, const char *name, options_p opt, |
828 | const char *file, int line) | |
0f01f026 RS |
829 | { |
830 | pair_p field; | |
831 | ||
832 | field = XNEW (struct pair); | |
833 | field->next = next; | |
834 | field->type = type; | |
835 | field->name = name; | |
065ae611 ZW |
836 | field->opt = opt; |
837 | field->line.file = file; | |
838 | field->line.line = line; | |
0f01f026 RS |
839 | return field; |
840 | } | |
841 | ||
065ae611 ZW |
842 | /* Create a field that came from the source code we are scanning, |
843 | i.e. we have a 'struct fileloc', and possibly options; also, | |
844 | adjust_field_type should be called. */ | |
845 | pair_p | |
846 | create_field_at (pair_p next, type_p type, const char *name, options_p opt, | |
847 | struct fileloc *pos) | |
848 | { | |
849 | return create_field_all (next, adjust_field_type (type, opt), | |
850 | name, opt, pos->file, pos->line); | |
851 | } | |
852 | ||
853 | /* Create a fake field with the given type and name. NEXT is the next | |
854 | field in the chain. */ | |
855 | #define create_field(next,type,name) \ | |
01d419ae | 856 | create_field_all(next,type,name, 0, this_file, __LINE__) |
065ae611 | 857 | |
aacd3885 RS |
858 | /* Like create_field, but the field is only valid when condition COND |
859 | is true. */ | |
860 | ||
861 | static pair_p | |
065ae611 ZW |
862 | create_optional_field_ (pair_p next, type_p type, const char *name, |
863 | const char *cond, int line) | |
aacd3885 RS |
864 | { |
865 | static int id = 1; | |
065ae611 | 866 | pair_p union_fields; |
aacd3885 RS |
867 | type_p union_type; |
868 | ||
869 | /* Create a fake union type with a single nameless field of type TYPE. | |
870 | The field has a tag of "1". This allows us to make the presence | |
871 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
872 | union_fields = create_field (NULL, type, ""); | |
873 | union_fields->opt = create_option (union_fields->opt, "dot", ""); | |
874 | union_fields->opt = create_option (union_fields->opt, "tag", "1"); | |
875 | union_type = new_structure (xasprintf ("%s_%d", "fake_union", id++), 1, | |
876 | &lexer_line, union_fields, NULL); | |
877 | ||
878 | /* Create the field and give it the new fake union type. Add a "desc" | |
879 | tag that specifies the condition under which the field is valid. */ | |
065ae611 ZW |
880 | return create_field_all (next, union_type, name, |
881 | create_option (0, "desc", cond), | |
01d419ae | 882 | this_file, line); |
aacd3885 | 883 | } |
065ae611 ZW |
884 | #define create_optional_field(next,type,name,cond) \ |
885 | create_optional_field_(next,type,name,cond,__LINE__) | |
aacd3885 | 886 | |
01d419ae ZW |
887 | /* Reverse a linked list of 'struct pair's in place. */ |
888 | pair_p | |
889 | nreverse_pairs (pair_p list) | |
890 | { | |
891 | pair_p prev = 0, p, next; | |
892 | for (p = list; p; p = next) | |
893 | { | |
894 | next = p->next; | |
895 | p->next = prev; | |
896 | prev = p; | |
897 | } | |
898 | return prev; | |
899 | } | |
900 | ||
901 | \f | |
9e995780 | 902 | /* We don't care how long a CONST_DOUBLE is. */ |
36a5eadd | 903 | #define CONST_DOUBLE_FORMAT "ww" |
9e995780 ZW |
904 | /* We don't want to see codes that are only for generator files. */ |
905 | #undef GENERATOR_FILE | |
906 | ||
907 | enum rtx_code { | |
908 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , | |
909 | #include "rtl.def" | |
910 | #undef DEF_RTL_EXPR | |
911 | NUM_RTX_CODE | |
912 | }; | |
913 | ||
914 | static const char * const rtx_name[NUM_RTX_CODE] = { | |
915 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , | |
916 | #include "rtl.def" | |
917 | #undef DEF_RTL_EXPR | |
918 | }; | |
919 | ||
920 | static const char * const rtx_format[NUM_RTX_CODE] = { | |
36a5eadd GK |
921 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
922 | #include "rtl.def" | |
923 | #undef DEF_RTL_EXPR | |
924 | }; | |
925 | ||
5ba6918e | 926 | static int rtx_next_new[NUM_RTX_CODE]; |
36a5eadd | 927 | |
9e995780 ZW |
928 | /* We also need codes and names for insn notes (not register notes). |
929 | Note that we do *not* bias the note values here. */ | |
930 | enum insn_note { | |
931 | #define DEF_INSN_NOTE(NAME) NAME, | |
932 | #include "insn-notes.def" | |
933 | #undef DEF_INSN_NOTE | |
934 | ||
935 | NOTE_INSN_MAX | |
936 | }; | |
937 | ||
79e4e6a6 JW |
938 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
939 | default field for line number notes. */ | |
940 | static const char *const note_insn_name[NOTE_INSN_MAX+1] = { | |
9e995780 ZW |
941 | #define DEF_INSN_NOTE(NAME) #NAME, |
942 | #include "insn-notes.def" | |
943 | #undef DEF_INSN_NOTE | |
944 | }; | |
945 | ||
946 | #undef CONST_DOUBLE_FORMAT | |
947 | #define GENERATOR_FILE | |
948 | ||
36a5eadd GK |
949 | /* Generate the contents of the rtx_next array. This really doesn't belong |
950 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
951 | ||
952 | static void | |
3d7aafde | 953 | gen_rtx_next (void) |
36a5eadd GK |
954 | { |
955 | int i; | |
956 | for (i = 0; i < NUM_RTX_CODE; i++) | |
957 | { | |
958 | int k; | |
3d7aafde | 959 | |
5ba6918e | 960 | rtx_next_new[i] = -1; |
36a5eadd | 961 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
5ba6918e | 962 | rtx_next_new[i] = 2; |
36a5eadd | 963 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
5ba6918e | 964 | rtx_next_new[i] = 1; |
3d7aafde | 965 | else |
36a5eadd GK |
966 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
967 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
5ba6918e | 968 | rtx_next_new[i] = k; |
36a5eadd GK |
969 | } |
970 | } | |
971 | ||
972 | /* Write out the contents of the rtx_next array. */ | |
973 | static void | |
3d7aafde | 974 | write_rtx_next (void) |
36a5eadd GK |
975 | { |
976 | outf_p f = get_output_file_with_visibility (NULL); | |
977 | int i; | |
bd117bb6 BS |
978 | if (!f) |
979 | return; | |
3d7aafde | 980 | |
36a5eadd | 981 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
6bc7bc14 | 982 | oprintf (f, "EXPORTED_CONST unsigned char rtx_next[NUM_RTX_CODE] = {\n"); |
36a5eadd | 983 | for (i = 0; i < NUM_RTX_CODE; i++) |
5ba6918e | 984 | if (rtx_next_new[i] == -1) |
36a5eadd GK |
985 | oprintf (f, " 0,\n"); |
986 | else | |
3d7aafde | 987 | oprintf (f, |
e1de1560 | 988 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", |
5ba6918e | 989 | rtx_next_new[i]); |
36a5eadd GK |
990 | oprintf (f, "};\n"); |
991 | } | |
992 | ||
993 | /* Handle `special("rtx_def")'. This is a special case for field | |
994 | `fld' of struct rtx_def, which is an array of unions whose values | |
995 | are based in a complex way on the type of RTL. */ | |
996 | ||
997 | static type_p | |
e18476eb | 998 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
36a5eadd GK |
999 | { |
1000 | pair_p flds = NULL; | |
1001 | options_p nodot; | |
1002 | int i; | |
1003 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
c185c797 | 1004 | type_p bitmap_tp, basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
36a5eadd | 1005 | |
e1de1560 | 1006 | if (t->kind != TYPE_UNION) |
36a5eadd | 1007 | { |
3d7aafde | 1008 | error_at_line (&lexer_line, |
e1de1560 | 1009 | "special `rtx_def' must be applied to a union"); |
36a5eadd GK |
1010 | return &string_type; |
1011 | } | |
3d7aafde | 1012 | |
0f01f026 | 1013 | nodot = create_option (NULL, "dot", ""); |
36a5eadd GK |
1014 | |
1015 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
1016 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
1017 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
1018 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
a560d4d4 | 1019 | reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0)); |
36a5eadd GK |
1020 | bitmap_tp = create_pointer (find_structure ("bitmap_element_def", 0)); |
1021 | basic_block_tp = create_pointer (find_structure ("basic_block_def", 0)); | |
c185c797 | 1022 | constant_tp = create_pointer (find_structure ("constant_descriptor_rtx", 0)); |
95161faf | 1023 | scalar_tp = &scalar_nonchar; /* rtunion int */ |
36a5eadd GK |
1024 | |
1025 | { | |
1026 | pair_p note_flds = NULL; | |
1027 | int c; | |
5ba6918e | 1028 | |
9e995780 | 1029 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
36a5eadd | 1030 | { |
5ba6918e GK |
1031 | switch (c) |
1032 | { | |
5ba6918e | 1033 | case NOTE_INSN_MAX: |
1bcca2c5 | 1034 | case NOTE_INSN_DELETED_LABEL: |
0f01f026 | 1035 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
5ba6918e GK |
1036 | break; |
1037 | ||
1038 | case NOTE_INSN_BLOCK_BEG: | |
1039 | case NOTE_INSN_BLOCK_END: | |
0f01f026 | 1040 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
5ba6918e | 1041 | break; |
3d7aafde | 1042 | |
014a1138 | 1043 | case NOTE_INSN_VAR_LOCATION: |
0f01f026 | 1044 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
5ba6918e GK |
1045 | break; |
1046 | ||
1047 | default: | |
0f01f026 | 1048 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
5ba6918e GK |
1049 | break; |
1050 | } | |
0f01f026 RS |
1051 | /* NOTE_INSN_MAX is used as the default field for line |
1052 | number notes. */ | |
1053 | if (c == NOTE_INSN_MAX) | |
1054 | note_flds->opt = create_option (nodot, "default", ""); | |
1055 | else | |
1056 | note_flds->opt = create_option (nodot, "tag", note_insn_name[c]); | |
36a5eadd | 1057 | } |
0f01f026 RS |
1058 | note_union_tp = new_structure ("rtx_def_note_subunion", 1, |
1059 | &lexer_line, note_flds, NULL); | |
36a5eadd | 1060 | } |
c185c797 RS |
1061 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
1062 | { | |
1063 | pair_p sym_flds; | |
1064 | ||
1065 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); | |
1066 | sym_flds->opt = create_option (nodot, "default", ""); | |
1067 | ||
1068 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); | |
1069 | sym_flds->opt = create_option (nodot, "tag", "1"); | |
1070 | ||
1071 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1, | |
1072 | &lexer_line, sym_flds, NULL); | |
1073 | } | |
36a5eadd GK |
1074 | for (i = 0; i < NUM_RTX_CODE; i++) |
1075 | { | |
36a5eadd GK |
1076 | pair_p subfields = NULL; |
1077 | size_t aindex, nmindex; | |
1078 | const char *sname; | |
0f01f026 | 1079 | type_p substruct; |
36a5eadd GK |
1080 | char *ftag; |
1081 | ||
1082 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
1083 | { | |
36a5eadd GK |
1084 | type_p t; |
1085 | const char *subname; | |
1086 | ||
1087 | switch (rtx_format[i][aindex]) | |
1088 | { | |
1089 | case '*': | |
1090 | case 'i': | |
1091 | case 'n': | |
1092 | case 'w': | |
1093 | t = scalar_tp; | |
9ce88f5e | 1094 | subname = "rt_int"; |
36a5eadd GK |
1095 | break; |
1096 | ||
1097 | case '0': | |
1098 | if (i == MEM && aindex == 1) | |
9ce88f5e | 1099 | t = mem_attrs_tp, subname = "rt_mem"; |
6fb5fa3c | 1100 | else if (i == JUMP_INSN && aindex == 8) |
9ce88f5e | 1101 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd | 1102 | else if (i == CODE_LABEL && aindex == 4) |
9ce88f5e | 1103 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1104 | else if (i == CODE_LABEL && aindex == 5) |
9ce88f5e | 1105 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd GK |
1106 | else if (i == LABEL_REF |
1107 | && (aindex == 1 || aindex == 2)) | |
9ce88f5e | 1108 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd GK |
1109 | else if (i == NOTE && aindex == 4) |
1110 | t = note_union_tp, subname = ""; | |
a38e7aa5 JH |
1111 | else if (i == NOTE && aindex == 5) |
1112 | t = scalar_tp, subname = "rt_int"; | |
36a5eadd | 1113 | else if (i == NOTE && aindex >= 7) |
9ce88f5e | 1114 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1115 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
9ce88f5e | 1116 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1117 | else if (i == VALUE && aindex == 0) |
9ce88f5e | 1118 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1119 | else if (i == REG && aindex == 1) |
9ce88f5e | 1120 | t = scalar_tp, subname = "rt_int"; |
a560d4d4 | 1121 | else if (i == REG && aindex == 2) |
9ce88f5e | 1122 | t = reg_attrs_tp, subname = "rt_reg"; |
36a5eadd | 1123 | else if (i == SCRATCH && aindex == 0) |
9ce88f5e | 1124 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1125 | else if (i == SYMBOL_REF && aindex == 1) |
9ce88f5e | 1126 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1127 | else if (i == SYMBOL_REF && aindex == 2) |
c185c797 | 1128 | t = symbol_union_tp, subname = ""; |
36a5eadd | 1129 | else if (i == BARRIER && aindex >= 3) |
9ce88f5e | 1130 | t = scalar_tp, subname = "rt_int"; |
36a5eadd GK |
1131 | else |
1132 | { | |
3d7aafde | 1133 | error_at_line (&lexer_line, |
6d8dd940 AJ |
1134 | "rtx type `%s' has `0' in position %lu, can't handle", |
1135 | rtx_name[i], (unsigned long) aindex); | |
36a5eadd | 1136 | t = &string_type; |
9ce88f5e | 1137 | subname = "rt_int"; |
36a5eadd GK |
1138 | } |
1139 | break; | |
3d7aafde | 1140 | |
36a5eadd GK |
1141 | case 's': |
1142 | case 'S': | |
1143 | case 'T': | |
1144 | t = &string_type; | |
9ce88f5e | 1145 | subname = "rt_str"; |
36a5eadd GK |
1146 | break; |
1147 | ||
1148 | case 'e': | |
1149 | case 'u': | |
1150 | t = rtx_tp; | |
9ce88f5e | 1151 | subname = "rt_rtx"; |
36a5eadd GK |
1152 | break; |
1153 | ||
1154 | case 'E': | |
1155 | case 'V': | |
1156 | t = rtvec_tp; | |
9ce88f5e | 1157 | subname = "rt_rtvec"; |
36a5eadd GK |
1158 | break; |
1159 | ||
1160 | case 't': | |
1161 | t = tree_tp; | |
9ce88f5e | 1162 | subname = "rt_tree"; |
36a5eadd GK |
1163 | break; |
1164 | ||
1165 | case 'b': | |
1166 | t = bitmap_tp; | |
9ce88f5e | 1167 | subname = "rt_bit"; |
36a5eadd GK |
1168 | break; |
1169 | ||
1170 | case 'B': | |
1171 | t = basic_block_tp; | |
9ce88f5e | 1172 | subname = "rt_bb"; |
36a5eadd GK |
1173 | break; |
1174 | ||
1175 | default: | |
3d7aafde | 1176 | error_at_line (&lexer_line, |
6d8dd940 | 1177 | "rtx type `%s' has `%c' in position %lu, can't handle", |
36a5eadd | 1178 | rtx_name[i], rtx_format[i][aindex], |
6d8dd940 | 1179 | (unsigned long)aindex); |
36a5eadd | 1180 | t = &string_type; |
9ce88f5e | 1181 | subname = "rt_int"; |
36a5eadd GK |
1182 | break; |
1183 | } | |
1184 | ||
0f01f026 RS |
1185 | subfields = create_field (subfields, t, |
1186 | xasprintf (".fld[%lu].%s", | |
1187 | (unsigned long) aindex, | |
1188 | subname)); | |
1189 | subfields->opt = nodot; | |
36a5eadd | 1190 | if (t == note_union_tp) |
0f01f026 | 1191 | subfields->opt = create_option (subfields->opt, "desc", |
a38e7aa5 | 1192 | "NOTE_KIND (&%0)"); |
c185c797 RS |
1193 | if (t == symbol_union_tp) |
1194 | subfields->opt = create_option (subfields->opt, "desc", | |
1195 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
36a5eadd GK |
1196 | } |
1197 | ||
aacd3885 RS |
1198 | if (i == SYMBOL_REF) |
1199 | { | |
3fa9c136 | 1200 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P holds. */ |
aacd3885 | 1201 | type_p field_tp = find_structure ("block_symbol", 0); |
3fa9c136 RS |
1202 | subfields |
1203 | = create_optional_field (subfields, field_tp, "block_sym", | |
1204 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
aacd3885 RS |
1205 | } |
1206 | ||
36a5eadd | 1207 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0f01f026 RS |
1208 | substruct = new_structure (sname, 0, &lexer_line, subfields, NULL); |
1209 | ||
36a5eadd GK |
1210 | ftag = xstrdup (rtx_name[i]); |
1211 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
1212 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0f01f026 RS |
1213 | |
1214 | flds = create_field (flds, substruct, ""); | |
1215 | flds->opt = create_option (nodot, "tag", ftag); | |
36a5eadd GK |
1216 | } |
1217 | ||
0f01f026 | 1218 | return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1219 | } |
1220 | ||
1221 | /* Handle `special("tree_exp")'. This is a special case for | |
1222 | field `operands' of struct tree_exp, which although it claims to contain | |
3d7aafde | 1223 | pointers to trees, actually sometimes contains pointers to RTL too. |
36a5eadd GK |
1224 | Passed T, the old type of the field, and OPT its options. Returns |
1225 | a new type for the field. */ | |
1226 | ||
1227 | static type_p | |
3d7aafde | 1228 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
36a5eadd GK |
1229 | { |
1230 | pair_p flds; | |
1231 | options_p nodot; | |
3d7aafde | 1232 | |
36a5eadd GK |
1233 | if (t->kind != TYPE_ARRAY) |
1234 | { | |
3d7aafde | 1235 | error_at_line (&lexer_line, |
36a5eadd GK |
1236 | "special `tree_exp' must be applied to an array"); |
1237 | return &string_type; | |
1238 | } | |
3d7aafde | 1239 | |
0f01f026 RS |
1240 | nodot = create_option (NULL, "dot", ""); |
1241 | ||
1242 | flds = create_field (NULL, t, ""); | |
1243 | flds->opt = create_option (nodot, "length", | |
5039610b | 1244 | "TREE_OPERAND_LENGTH ((tree) &%0)"); |
0f01f026 | 1245 | flds->opt = create_option (flds->opt, "default", ""); |
3d7aafde | 1246 | |
0f01f026 | 1247 | return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1248 | } |
1249 | ||
9f313342 GK |
1250 | /* Perform any special processing on a type T, about to become the type |
1251 | of a field. Return the appropriate type for the field. | |
1252 | At present: | |
1253 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
1254 | - Similarly for arrays of pointer-to-char; | |
1255 | - Converts structures for which a parameter is provided to | |
36a5eadd GK |
1256 | TYPE_PARAM_STRUCT; |
1257 | - Handles "special" options. | |
3d7aafde | 1258 | */ |
9f313342 | 1259 | |
e2500fed | 1260 | type_p |
3d7aafde | 1261 | adjust_field_type (type_p t, options_p opt) |
e2500fed GK |
1262 | { |
1263 | int length_p = 0; | |
1264 | const int pointer_p = t->kind == TYPE_POINTER; | |
36a5eadd GK |
1265 | type_p params[NUM_PARAM]; |
1266 | int params_p = 0; | |
1267 | int i; | |
1268 | ||
1269 | for (i = 0; i < NUM_PARAM; i++) | |
1270 | params[i] = NULL; | |
3d7aafde | 1271 | |
e2500fed GK |
1272 | for (; opt; opt = opt->next) |
1273 | if (strcmp (opt->name, "length") == 0) | |
1274 | length_p = 1; | |
36a5eadd GK |
1275 | else if (strcmp (opt->name, "param_is") == 0 |
1276 | || (strncmp (opt->name, "param", 5) == 0 | |
1277 | && ISDIGIT (opt->name[5]) | |
1278 | && strcmp (opt->name + 6, "_is") == 0)) | |
e2500fed | 1279 | { |
36a5eadd | 1280 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
e2500fed | 1281 | |
36a5eadd GK |
1282 | if (! UNION_OR_STRUCT_P (t) |
1283 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) | |
1284 | { | |
3d7aafde | 1285 | error_at_line (&lexer_line, |
36a5eadd GK |
1286 | "option `%s' may only be applied to structures or structure pointers", |
1287 | opt->name); | |
1288 | return t; | |
1289 | } | |
1290 | ||
1291 | params_p = 1; | |
1292 | if (params[num] != NULL) | |
1293 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
1294 | if (! ISDIGIT (opt->name[5])) | |
7cbb2a85 | 1295 | params[num] = create_pointer (CONST_CAST2(type_p, const char *, opt->info)); |
36a5eadd | 1296 | else |
7cbb2a85 | 1297 | params[num] = CONST_CAST2 (type_p, const char *, opt->info); |
e2500fed | 1298 | } |
36a5eadd GK |
1299 | else if (strcmp (opt->name, "special") == 0) |
1300 | { | |
9e2878cf | 1301 | const char *special_name = opt->info; |
36a5eadd GK |
1302 | if (strcmp (special_name, "tree_exp") == 0) |
1303 | t = adjust_field_tree_exp (t, opt); | |
1304 | else if (strcmp (special_name, "rtx_def") == 0) | |
1305 | t = adjust_field_rtx_def (t, opt); | |
1306 | else | |
1307 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
1308 | } | |
1309 | ||
1310 | if (params_p) | |
1311 | { | |
1312 | type_p realt; | |
3d7aafde | 1313 | |
36a5eadd GK |
1314 | if (pointer_p) |
1315 | t = t->u.p; | |
1316 | realt = find_param_structure (t, params); | |
1317 | t = pointer_p ? create_pointer (realt) : realt; | |
1318 | } | |
1319 | ||
e2500fed GK |
1320 | if (! length_p |
1321 | && pointer_p | |
1322 | && t->u.p->kind == TYPE_SCALAR | |
95161faf | 1323 | && t->u.p->u.scalar_is_char) |
e2500fed GK |
1324 | return &string_type; |
1325 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
1326 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
95161faf | 1327 | && t->u.a.p->u.p->u.scalar_is_char) |
e2500fed GK |
1328 | return create_array (&string_type, t->u.a.len); |
1329 | ||
1330 | return t; | |
1331 | } | |
1332 | ||
e2500fed | 1333 | \f |
3d7aafde AJ |
1334 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
1335 | static void set_gc_used (pair_p); | |
e2500fed | 1336 | |
9f313342 GK |
1337 | /* Handle OPT for set_gc_used_type. */ |
1338 | ||
e2500fed | 1339 | static void |
3d7aafde | 1340 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
5932ca9d | 1341 | int *pass_param, int *length, int *skip, type_p *nested_ptr) |
e2500fed GK |
1342 | { |
1343 | options_p o; | |
1344 | for (o = opt; o; o = o->next) | |
1345 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
7cbb2a85 KG |
1346 | set_gc_used_type (CONST_CAST2 (type_p, const char *, o->info), |
1347 | GC_POINTED_TO, NULL); | |
e2500fed GK |
1348 | else if (strcmp (o->name, "maybe_undef") == 0) |
1349 | *maybe_undef = 1; | |
36a5eadd GK |
1350 | else if (strcmp (o->name, "use_params") == 0) |
1351 | *pass_param = 1; | |
1352 | else if (strcmp (o->name, "length") == 0) | |
1353 | *length = 1; | |
5932ca9d ZW |
1354 | else if (strcmp (o->name, "skip") == 0) |
1355 | *skip = 1; | |
d8044160 GK |
1356 | else if (strcmp (o->name, "nested_ptr") == 0) |
1357 | *nested_ptr = ((const struct nested_ptr_data *) o->info)->type; | |
e2500fed GK |
1358 | } |
1359 | ||
9f313342 GK |
1360 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
1361 | ||
e2500fed | 1362 | static void |
3d7aafde | 1363 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
e2500fed GK |
1364 | { |
1365 | if (t->gc_used >= level) | |
1366 | return; | |
3d7aafde | 1367 | |
e2500fed GK |
1368 | t->gc_used = level; |
1369 | ||
1370 | switch (t->kind) | |
1371 | { | |
1372 | case TYPE_STRUCT: | |
1373 | case TYPE_UNION: | |
1374 | { | |
1375 | pair_p f; | |
1376 | int dummy; | |
d8044160 | 1377 | type_p dummy2; |
e2500fed | 1378 | |
5932ca9d | 1379 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
d8044160 | 1380 | &dummy2); |
e2500fed GK |
1381 | |
1382 | for (f = t->u.s.fields; f; f = f->next) | |
1383 | { | |
1384 | int maybe_undef = 0; | |
36a5eadd GK |
1385 | int pass_param = 0; |
1386 | int length = 0; | |
5932ca9d | 1387 | int skip = 0; |
d8044160 | 1388 | type_p nested_ptr = NULL; |
36a5eadd | 1389 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
5932ca9d | 1390 | &length, &skip, &nested_ptr); |
3d7aafde | 1391 | |
d8044160 GK |
1392 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
1393 | set_gc_used_type (nested_ptr, GC_POINTED_TO, | |
1394 | pass_param ? param : NULL); | |
1395 | else if (length && f->type->kind == TYPE_POINTER) | |
36a5eadd GK |
1396 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
1397 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
1398 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
1399 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
1400 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
1401 | GC_POINTED_TO, NULL); | |
5932ca9d ZW |
1402 | else if (skip) |
1403 | ; /* target type is not used through this field */ | |
e2500fed | 1404 | else |
36a5eadd | 1405 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
e2500fed GK |
1406 | } |
1407 | break; | |
1408 | } | |
1409 | ||
1410 | case TYPE_POINTER: | |
36a5eadd | 1411 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
e2500fed GK |
1412 | break; |
1413 | ||
1414 | case TYPE_ARRAY: | |
36a5eadd | 1415 | set_gc_used_type (t->u.a.p, GC_USED, param); |
e2500fed | 1416 | break; |
3d7aafde | 1417 | |
e2500fed GK |
1418 | case TYPE_LANG_STRUCT: |
1419 | for (t = t->u.s.lang_struct; t; t = t->next) | |
36a5eadd | 1420 | set_gc_used_type (t, level, param); |
e2500fed GK |
1421 | break; |
1422 | ||
1423 | case TYPE_PARAM_STRUCT: | |
36a5eadd GK |
1424 | { |
1425 | int i; | |
1426 | for (i = 0; i < NUM_PARAM; i++) | |
1427 | if (t->u.param_struct.param[i] != 0) | |
1428 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
1429 | } | |
1430 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
1431 | level = GC_POINTED_TO; | |
1432 | else | |
1433 | level = GC_USED; | |
1434 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
3d7aafde | 1435 | set_gc_used_type (t->u.param_struct.stru, level, |
36a5eadd | 1436 | t->u.param_struct.param); |
e2500fed GK |
1437 | break; |
1438 | ||
1439 | default: | |
1440 | break; | |
1441 | } | |
1442 | } | |
1443 | ||
36a5eadd | 1444 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
9f313342 | 1445 | |
e2500fed | 1446 | static void |
3d7aafde | 1447 | set_gc_used (pair_p variables) |
e2500fed GK |
1448 | { |
1449 | pair_p p; | |
1450 | for (p = variables; p; p = p->next) | |
36a5eadd | 1451 | set_gc_used_type (p->type, GC_USED, NULL); |
e2500fed GK |
1452 | } |
1453 | \f | |
1454 | /* File mapping routines. For each input file, there is one output .c file | |
1455 | (but some output files have many input files), and there is one .h file | |
1456 | for the whole build. */ | |
1457 | ||
065ae611 | 1458 | /* Output file handling. */ |
e2500fed | 1459 | |
e03856fe GK |
1460 | /* Create and return an outf_p for a new file for NAME, to be called |
1461 | ONAME. */ | |
9f313342 | 1462 | |
e03856fe | 1463 | static outf_p |
3d7aafde | 1464 | create_file (const char *name, const char *oname) |
e2500fed GK |
1465 | { |
1466 | static const char *const hdr[] = { | |
bd117bb6 | 1467 | " Copyright (C) 2004, 2007, 2009 Free Software Foundation, Inc.\n", |
e2500fed GK |
1468 | "\n", |
1469 | "This file is part of GCC.\n", | |
1470 | "\n", | |
1471 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1472 | "the terms of the GNU General Public License as published by the Free\n", | |
9dcd6f09 | 1473 | "Software Foundation; either version 3, or (at your option) any later\n", |
e2500fed GK |
1474 | "version.\n", |
1475 | "\n", | |
1476 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1477 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1478 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1479 | "for more details.\n", | |
1480 | "\n", | |
1481 | "You should have received a copy of the GNU General Public License\n", | |
9dcd6f09 NC |
1482 | "along with GCC; see the file COPYING3. If not see\n", |
1483 | "<http://www.gnu.org/licenses/>. */\n", | |
e2500fed GK |
1484 | "\n", |
1485 | "/* This file is machine generated. Do not edit. */\n" | |
1486 | }; | |
e03856fe | 1487 | outf_p f; |
e2500fed | 1488 | size_t i; |
3d7aafde | 1489 | |
bd117bb6 BS |
1490 | gcc_assert (name != NULL); |
1491 | gcc_assert (oname != NULL); | |
5d038c4c | 1492 | f = XCNEW (struct outf); |
e03856fe GK |
1493 | f->next = output_files; |
1494 | f->name = oname; | |
1495 | output_files = f; | |
1496 | ||
1497 | oprintf (f, "/* Type information for %s.\n", name); | |
62c71f4b | 1498 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
e03856fe | 1499 | oprintf (f, "%s", hdr[i]); |
e2500fed GK |
1500 | return f; |
1501 | } | |
1502 | ||
311e3ff0 ZW |
1503 | /* Print, like fprintf, to O. |
1504 | N.B. You might think this could be implemented more efficiently | |
1505 | with vsnprintf(). Unfortunately, there are C libraries that | |
1506 | provide that function but without the C99 semantics for its return | |
1507 | value, making it impossible to know how much space is required. */ | |
3d7aafde | 1508 | void |
e34d07f2 | 1509 | oprintf (outf_p o, const char *format, ...) |
e03856fe | 1510 | { |
311e3ff0 | 1511 | char *s; |
e03856fe | 1512 | size_t slength; |
311e3ff0 | 1513 | va_list ap; |
3d7aafde | 1514 | |
bd117bb6 BS |
1515 | /* In plugin mode, the O could be a NULL pointer, so avoid crashing |
1516 | in that case. */ | |
1517 | if (!o) | |
1518 | return; | |
1519 | ||
311e3ff0 ZW |
1520 | va_start (ap, format); |
1521 | slength = vasprintf (&s, format, ap); | |
1522 | if (s == NULL || (int)slength < 0) | |
1523 | fatal ("out of memory"); | |
1524 | va_end (ap); | |
e03856fe | 1525 | |
311e3ff0 | 1526 | if (o->bufused + slength > o->buflength) |
e03856fe GK |
1527 | { |
1528 | size_t new_len = o->buflength; | |
1529 | if (new_len == 0) | |
1530 | new_len = 1024; | |
1531 | do { | |
1532 | new_len *= 2; | |
1533 | } while (o->bufused + slength >= new_len); | |
cca8ead2 | 1534 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
e03856fe GK |
1535 | o->buflength = new_len; |
1536 | } | |
311e3ff0 | 1537 | memcpy (o->buf + o->bufused, s, slength); |
e03856fe | 1538 | o->bufused += slength; |
311e3ff0 | 1539 | free (s); |
e03856fe GK |
1540 | } |
1541 | ||
9f313342 GK |
1542 | /* Open the global header file and the language-specific header files. */ |
1543 | ||
e2500fed | 1544 | static void |
3d7aafde | 1545 | open_base_files (void) |
e2500fed GK |
1546 | { |
1547 | size_t i; | |
3d7aafde | 1548 | |
bd117bb6 BS |
1549 | if (nb_plugin_files > 0 && plugin_files) |
1550 | return; | |
1551 | ||
e03856fe | 1552 | header_file = create_file ("GCC", "gtype-desc.h"); |
e2500fed | 1553 | |
11a67599 ZW |
1554 | base_files = XNEWVEC (outf_p, num_lang_dirs); |
1555 | ||
1556 | for (i = 0; i < num_lang_dirs; i++) | |
3d7aafde | 1557 | base_files[i] = create_file (lang_dir_names[i], |
8ac9d31f | 1558 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
e03856fe GK |
1559 | |
1560 | /* gtype-desc.c is a little special, so we create it here. */ | |
1561 | { | |
1562 | /* The order of files here matters very much. */ | |
1563 | static const char *const ifiles [] = { | |
6de9cd9a | 1564 | "config.h", "system.h", "coretypes.h", "tm.h", "varray.h", |
7932a3db NS |
1565 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
1566 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", | |
1567 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1568 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
1569 | "tree-flow.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", | |
1d65f45c RH |
1570 | "cfglayout.h", "except.h", "output.h", "gimple.h", "cfgloop.h", |
1571 | "target.h", NULL | |
e03856fe GK |
1572 | }; |
1573 | const char *const *ifp; | |
1574 | outf_p gtype_desc_c; | |
3d7aafde | 1575 | |
e03856fe GK |
1576 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1577 | for (ifp = ifiles; *ifp; ifp++) | |
1578 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
5576d6f2 TT |
1579 | |
1580 | /* Make sure we handle "cfun" specially. */ | |
1581 | oprintf (gtype_desc_c, "\n/* See definition in function.h. */\n"); | |
1582 | oprintf (gtype_desc_c, "#undef cfun\n"); | |
e03856fe | 1583 | } |
e2500fed GK |
1584 | } |
1585 | ||
8de8de02 OH |
1586 | /* For F a filename, return the real basename of F, with all the directory |
1587 | components skipped. */ | |
1588 | ||
1589 | static const char * | |
1590 | get_file_realbasename (const char *f) | |
1591 | { | |
1592 | const char * lastslash = strrchr (f, '/'); | |
1593 | ||
1594 | return (lastslash != NULL) ? lastslash + 1 : f; | |
1595 | } | |
1596 | ||
1597 | /* For F a filename, return the relative path to F from $(srcdir) if the | |
1598 | latter is a prefix in F, NULL otherwise. */ | |
1599 | ||
1600 | static const char * | |
1601 | get_file_srcdir_relative_path (const char *f) | |
1602 | { | |
1603 | if (strlen (f) > srcdir_len | |
1604 | && IS_DIR_SEPARATOR (f[srcdir_len]) | |
1605 | && memcmp (f, srcdir, srcdir_len) == 0) | |
1606 | return f + srcdir_len + 1; | |
1607 | else | |
1608 | return NULL; | |
1609 | } | |
1610 | ||
1611 | /* For F a filename, return the relative path to F from $(srcdir) if the | |
1612 | latter is a prefix in F, or the real basename of F otherwise. */ | |
9f313342 | 1613 | |
e2500fed | 1614 | static const char * |
3d7aafde | 1615 | get_file_basename (const char *f) |
e2500fed | 1616 | { |
8de8de02 | 1617 | const char * srcdir_path = get_file_srcdir_relative_path (f); |
3d7aafde | 1618 | |
8de8de02 OH |
1619 | return (srcdir_path != NULL) ? srcdir_path : get_file_realbasename (f); |
1620 | } | |
3d7aafde | 1621 | |
8de8de02 OH |
1622 | /* For F a filename, return the lang_dir_names relative index of the language |
1623 | directory that is a prefix in F, if any, -1 otherwise. */ | |
3d7aafde | 1624 | |
8de8de02 OH |
1625 | static int |
1626 | get_prefix_langdir_index (const char *f) | |
1627 | { | |
1628 | size_t f_len = strlen (f); | |
1629 | size_t lang_index; | |
3d7aafde | 1630 | |
8de8de02 | 1631 | for (lang_index = 0; lang_index < num_lang_dirs; lang_index++) |
8ac9d31f | 1632 | { |
8de8de02 OH |
1633 | const char * langdir = lang_dir_names [lang_index]; |
1634 | size_t langdir_len = strlen (langdir); | |
1635 | ||
1636 | if (f_len > langdir_len | |
1637 | && IS_DIR_SEPARATOR (f[langdir_len]) | |
1638 | && memcmp (f, langdir, langdir_len) == 0) | |
1639 | return lang_index; | |
8ac9d31f | 1640 | } |
3d7aafde | 1641 | |
8de8de02 OH |
1642 | return -1; |
1643 | } | |
1644 | ||
1645 | /* For F a filename, return the name of language directory where F is located, | |
1646 | if any, NULL otherwise. */ | |
1647 | ||
1648 | static const char * | |
1649 | get_file_langdir (const char *f) | |
1650 | { | |
1651 | /* Get the relative path to F from $(srcdir) and find the language by | |
1652 | comparing the prefix with language directory names. If F is not even | |
1653 | srcdir relative, no point in looking further. */ | |
1654 | ||
1655 | int lang_index; | |
1656 | const char * srcdir_relative_path = get_file_srcdir_relative_path (f); | |
1657 | ||
1658 | if (!srcdir_relative_path) | |
1659 | return NULL; | |
1660 | ||
1661 | lang_index = get_prefix_langdir_index (srcdir_relative_path); | |
1662 | ||
1663 | return (lang_index >= 0) ? lang_dir_names [lang_index] : NULL; | |
1664 | } | |
1665 | ||
1666 | /* The gt- output file name for F. */ | |
1667 | ||
1668 | static const char * | |
1669 | get_file_gtfilename (const char *f) | |
1670 | { | |
1671 | /* Cook up an initial version of the gt- file name from the file real | |
1672 | basename and the language name, if any. */ | |
1673 | ||
1674 | const char *basename = get_file_realbasename (f); | |
1675 | const char *langdir = get_file_langdir (f); | |
1676 | ||
1677 | char * result = | |
1678 | (langdir ? xasprintf ("gt-%s-%s", langdir, basename) | |
1679 | : xasprintf ("gt-%s", basename)); | |
1680 | ||
1681 | /* Then replace all non alphanumerics characters by '-' and change the | |
1682 | extenstion to ".h". We expect the input filename extension was at least | |
1683 | one character long. */ | |
1684 | ||
1685 | char *s = result; | |
1686 | ||
1687 | for (; *s != '.'; s++) | |
1688 | if (! ISALNUM (*s) && *s != '-') | |
1689 | *s = '-'; | |
1690 | ||
1691 | memcpy (s, ".h", sizeof (".h")); | |
1692 | ||
1693 | return result; | |
e2500fed GK |
1694 | } |
1695 | ||
9f313342 GK |
1696 | /* An output file, suitable for definitions, that can see declarations |
1697 | made in INPUT_FILE and is linked into every language that uses | |
1698 | INPUT_FILE. */ | |
1699 | ||
e03856fe | 1700 | outf_p |
3d7aafde | 1701 | get_output_file_with_visibility (const char *input_file) |
e2500fed | 1702 | { |
e03856fe | 1703 | outf_p r; |
e2500fed GK |
1704 | size_t len; |
1705 | const char *basename; | |
e03856fe GK |
1706 | const char *for_name; |
1707 | const char *output_name; | |
e2500fed | 1708 | |
e03856fe GK |
1709 | /* This can happen when we need a file with visibility on a |
1710 | structure that we've never seen. We have to just hope that it's | |
1711 | globally visible. */ | |
1712 | if (input_file == NULL) | |
1713 | input_file = "system.h"; | |
e2500fed | 1714 | |
bd117bb6 BS |
1715 | /* In plugin mode, return NULL unless the input_file is one of the |
1716 | plugin_files. */ | |
1717 | if (plugin_files && nb_plugin_files > 0) | |
1718 | { | |
1719 | int ix= -1, i; | |
1720 | for (i = 0; i < nb_plugin_files && ix < 0; i++) | |
1721 | if (strcmp (input_file, plugin_files[i]) == 0) | |
1722 | ix = i; | |
1723 | if (ix < 0) | |
1724 | return NULL; | |
1725 | } | |
1726 | ||
e2500fed GK |
1727 | /* Determine the output file name. */ |
1728 | basename = get_file_basename (input_file); | |
1729 | ||
1730 | len = strlen (basename); | |
1731 | if ((len > 2 && memcmp (basename+len-2, ".c", 2) == 0) | |
1732 | || (len > 2 && memcmp (basename+len-2, ".y", 2) == 0) | |
1733 | || (len > 3 && memcmp (basename+len-3, ".in", 3) == 0)) | |
1734 | { | |
8de8de02 | 1735 | output_name = get_file_gtfilename (input_file); |
e03856fe | 1736 | for_name = basename; |
e2500fed | 1737 | } |
ad8c162b ZL |
1738 | /* Some headers get used by more than one front-end; hence, it |
1739 | would be inappropriate to spew them out to a single gtype-<lang>.h | |
1740 | (and gengtype doesn't know how to direct spewage into multiple | |
1741 | gtype-<lang>.h headers at this time). Instead, we pair up these | |
1742 | headers with source files (and their special purpose gt-*.h headers). */ | |
e2500fed | 1743 | else if (strcmp (basename, "c-common.h") == 0) |
e03856fe | 1744 | output_name = "gt-c-common.h", for_name = "c-common.c"; |
29cc57cf RG |
1745 | else if (strcmp (basename, "c-lang.h") == 0) |
1746 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; | |
e2500fed | 1747 | else if (strcmp (basename, "c-tree.h") == 0) |
e03856fe | 1748 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; |
6e955430 ZL |
1749 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) |
1750 | && strcmp (basename + 3, "cp-tree.h") == 0) | |
1751 | output_name = "gt-cp-tree.h", for_name = "cp/tree.c"; | |
1752 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1753 | && strcmp (basename + 3, "decl.h") == 0) | |
1754 | output_name = "gt-cp-decl.h", for_name = "cp/decl.c"; | |
1755 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1756 | && strcmp (basename + 3, "name-lookup.h") == 0) | |
1757 | output_name = "gt-cp-name-lookup.h", for_name = "cp/name-lookup.c"; | |
ad8c162b ZL |
1758 | else if (strncmp (basename, "objc", 4) == 0 && IS_DIR_SEPARATOR (basename[4]) |
1759 | && strcmp (basename + 5, "objc-act.h") == 0) | |
1760 | output_name = "gt-objc-objc-act.h", for_name = "objc/objc-act.c"; | |
1761 | else | |
e2500fed | 1762 | { |
8de8de02 | 1763 | int lang_index = get_prefix_langdir_index (basename); |
3d7aafde | 1764 | |
8de8de02 OH |
1765 | if (lang_index >= 0) |
1766 | return base_files[lang_index]; | |
e03856fe GK |
1767 | |
1768 | output_name = "gtype-desc.c"; | |
1769 | for_name = NULL; | |
e2500fed GK |
1770 | } |
1771 | ||
1772 | /* Look through to see if we've ever seen this output filename before. */ | |
e03856fe GK |
1773 | for (r = output_files; r; r = r->next) |
1774 | if (strcmp (r->name, output_name) == 0) | |
1775 | return r; | |
e2500fed GK |
1776 | |
1777 | /* If not, create it. */ | |
e03856fe | 1778 | r = create_file (for_name, output_name); |
e2500fed | 1779 | |
bd117bb6 | 1780 | gcc_assert (r && r->name); |
e03856fe | 1781 | return r; |
e2500fed GK |
1782 | } |
1783 | ||
9f313342 GK |
1784 | /* The name of an output file, suitable for definitions, that can see |
1785 | declarations made in INPUT_FILE and is linked into every language | |
1786 | that uses INPUT_FILE. */ | |
1787 | ||
e2500fed | 1788 | const char * |
3d7aafde | 1789 | get_output_file_name (const char *input_file) |
e2500fed | 1790 | { |
bd117bb6 BS |
1791 | outf_p o = get_output_file_with_visibility (input_file); |
1792 | if (o) | |
1793 | return o->name; | |
1794 | return NULL; | |
e2500fed GK |
1795 | } |
1796 | ||
e03856fe | 1797 | /* Copy the output to its final destination, |
9f313342 GK |
1798 | but don't unnecessarily change modification times. */ |
1799 | ||
e2500fed | 1800 | static void |
3d7aafde | 1801 | close_output_files (void) |
e2500fed | 1802 | { |
e03856fe | 1803 | outf_p of; |
3d7aafde | 1804 | |
e03856fe | 1805 | for (of = output_files; of; of = of->next) |
e2500fed | 1806 | { |
e03856fe GK |
1807 | FILE * newfile; |
1808 | ||
1809 | newfile = fopen (of->name, "r"); | |
1810 | if (newfile != NULL ) | |
e2500fed | 1811 | { |
e03856fe GK |
1812 | int no_write_p; |
1813 | size_t i; | |
e2500fed | 1814 | |
e03856fe GK |
1815 | for (i = 0; i < of->bufused; i++) |
1816 | { | |
1817 | int ch; | |
1818 | ch = fgetc (newfile); | |
1819 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
1820 | break; | |
1821 | } | |
1822 | no_write_p = i == of->bufused && fgetc (newfile) == EOF; | |
e2500fed | 1823 | fclose (newfile); |
e03856fe GK |
1824 | |
1825 | if (no_write_p) | |
1826 | continue; | |
e2500fed GK |
1827 | } |
1828 | ||
e03856fe | 1829 | newfile = fopen (of->name, "w"); |
e2500fed | 1830 | if (newfile == NULL) |
065ae611 | 1831 | fatal ("opening output file %s: %s", of->name, strerror (errno)); |
e03856fe | 1832 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) |
065ae611 | 1833 | fatal ("writing output file %s: %s", of->name, strerror (errno)); |
e03856fe | 1834 | if (fclose (newfile) != 0) |
065ae611 | 1835 | fatal ("closing output file %s: %s", of->name, strerror (errno)); |
e2500fed GK |
1836 | } |
1837 | } | |
1838 | \f | |
1839 | struct flist { | |
1840 | struct flist *next; | |
1841 | int started_p; | |
1842 | const char *name; | |
e03856fe | 1843 | outf_p f; |
e2500fed GK |
1844 | }; |
1845 | ||
17211ab5 GK |
1846 | struct walk_type_data; |
1847 | ||
1848 | /* For scalars and strings, given the item in 'val'. | |
1849 | For structures, given a pointer to the item in 'val'. | |
1850 | For misc. pointers, given the item in 'val'. | |
1851 | */ | |
3d7aafde AJ |
1852 | typedef void (*process_field_fn) |
1853 | (type_p f, const struct walk_type_data *p); | |
17211ab5 | 1854 | typedef void (*func_name_fn) |
3d7aafde | 1855 | (type_p s, const struct walk_type_data *p); |
17211ab5 GK |
1856 | |
1857 | /* Parameters for write_types. */ | |
1858 | ||
3d7aafde | 1859 | struct write_types_data |
17211ab5 GK |
1860 | { |
1861 | const char *prefix; | |
1862 | const char *param_prefix; | |
1863 | const char *subfield_marker_routine; | |
1864 | const char *marker_routine; | |
1865 | const char *reorder_note_routine; | |
1866 | const char *comment; | |
8d6419b2 | 1867 | int skip_hooks; /* skip hook generation if non zero */ |
17211ab5 GK |
1868 | }; |
1869 | ||
3d7aafde AJ |
1870 | static void output_escaped_param (struct walk_type_data *d, |
1871 | const char *, const char *); | |
e5cfc29f | 1872 | static void output_mangled_typename (outf_p, const_type_p); |
3d7aafde | 1873 | static void walk_type (type_p t, struct walk_type_data *d); |
17211ab5 | 1874 | static void write_func_for_structure |
3d7aafde AJ |
1875 | (type_p orig_s, type_p s, type_p * param, |
1876 | const struct write_types_data *wtd); | |
1877 | static void write_types_process_field | |
1878 | (type_p f, const struct walk_type_data *d); | |
1879 | static void write_types (type_p structures, | |
1880 | type_p param_structs, | |
1881 | const struct write_types_data *wtd); | |
17211ab5 | 1882 | static void write_types_local_process_field |
3d7aafde | 1883 | (type_p f, const struct walk_type_data *d); |
17211ab5 | 1884 | static void write_local_func_for_structure |
3d7aafde AJ |
1885 | (type_p orig_s, type_p s, type_p * param); |
1886 | static void write_local (type_p structures, | |
1887 | type_p param_structs); | |
1888 | static void write_enum_defn (type_p structures, type_p param_structs); | |
1889 | static int contains_scalar_p (type_p t); | |
1890 | static void put_mangled_filename (outf_p , const char *); | |
1891 | static void finish_root_table (struct flist *flp, const char *pfx, | |
1892 | const char *tname, const char *lastname, | |
1893 | const char *name); | |
1894 | static void write_root (outf_p , pair_p, type_p, const char *, int, | |
1895 | struct fileloc *, const char *); | |
1896 | static void write_array (outf_p f, pair_p v, | |
1897 | const struct write_types_data *wtd); | |
1898 | static void write_roots (pair_p); | |
e2500fed | 1899 | |
17211ab5 | 1900 | /* Parameters for walk_type. */ |
e2500fed | 1901 | |
17211ab5 | 1902 | struct walk_type_data |
e2500fed | 1903 | { |
17211ab5 GK |
1904 | process_field_fn process_field; |
1905 | const void *cookie; | |
1906 | outf_p of; | |
1907 | options_p opt; | |
1908 | const char *val; | |
1909 | const char *prev_val[4]; | |
1910 | int indent; | |
1911 | int counter; | |
1912 | struct fileloc *line; | |
1913 | lang_bitmap bitmap; | |
1914 | type_p *param; | |
1915 | int used_length; | |
1916 | type_p orig_s; | |
1917 | const char *reorder_fn; | |
d8044160 GK |
1918 | bool needs_cast_p; |
1919 | bool fn_wants_lvalue; | |
17211ab5 | 1920 | }; |
36a5eadd GK |
1921 | |
1922 | /* Print a mangled name representing T to OF. */ | |
1923 | ||
1924 | static void | |
e5cfc29f | 1925 | output_mangled_typename (outf_p of, const_type_p t) |
36a5eadd GK |
1926 | { |
1927 | if (t == NULL) | |
1928 | oprintf (of, "Z"); | |
1929 | else switch (t->kind) | |
1930 | { | |
1931 | case TYPE_POINTER: | |
1932 | oprintf (of, "P"); | |
1933 | output_mangled_typename (of, t->u.p); | |
1934 | break; | |
1935 | case TYPE_SCALAR: | |
1936 | oprintf (of, "I"); | |
1937 | break; | |
1938 | case TYPE_STRING: | |
1939 | oprintf (of, "S"); | |
1940 | break; | |
1941 | case TYPE_STRUCT: | |
1942 | case TYPE_UNION: | |
1943 | case TYPE_LANG_STRUCT: | |
6d8dd940 | 1944 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), t->u.s.tag); |
36a5eadd GK |
1945 | break; |
1946 | case TYPE_PARAM_STRUCT: | |
1947 | { | |
1948 | int i; | |
1949 | for (i = 0; i < NUM_PARAM; i++) | |
1950 | if (t->u.param_struct.param[i] != NULL) | |
1951 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
3d7aafde | 1952 | output_mangled_typename (of, t->u.param_struct.stru); |
36a5eadd GK |
1953 | } |
1954 | break; | |
1955 | case TYPE_ARRAY: | |
b2d59f6f | 1956 | gcc_unreachable (); |
36a5eadd | 1957 | } |
e2500fed GK |
1958 | } |
1959 | ||
17211ab5 GK |
1960 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
1961 | current object, D->PREV_VAL the object containing the current | |
1962 | object, ONAME is the name of the option and D->LINE is used to | |
1963 | print error messages. */ | |
9f313342 | 1964 | |
e2500fed | 1965 | static void |
3d7aafde AJ |
1966 | output_escaped_param (struct walk_type_data *d, const char *param, |
1967 | const char *oname) | |
e2500fed | 1968 | { |
17211ab5 | 1969 | const char *p; |
3d7aafde | 1970 | |
17211ab5 GK |
1971 | for (p = param; *p; p++) |
1972 | if (*p != '%') | |
1973 | oprintf (d->of, "%c", *p); | |
1974 | else switch (*++p) | |
1975 | { | |
1976 | case 'h': | |
1977 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
1978 | break; | |
1979 | case '0': | |
1980 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
1981 | break; | |
1982 | case '1': | |
1983 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
1984 | break; | |
1985 | case 'a': | |
e2500fed | 1986 | { |
17211ab5 GK |
1987 | const char *pp = d->val + strlen (d->val); |
1988 | while (pp[-1] == ']') | |
1989 | while (*pp != '[') | |
1990 | pp--; | |
1991 | oprintf (d->of, "%s", pp); | |
e2500fed | 1992 | } |
17211ab5 GK |
1993 | break; |
1994 | default: | |
1995 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
1996 | oname, '%', *p); | |
1997 | } | |
1998 | } | |
e2500fed | 1999 | |
17211ab5 GK |
2000 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
2001 | which is of type T. Write code to D->OF to constrain execution (at | |
2002 | the point that D->PROCESS_FIELD is called) to the appropriate | |
4da6879c GK |
2003 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
2004 | pointers to those objects. D->PREV_VAL lists the objects | |
2005 | containing the current object, D->OPT is a list of options to | |
2006 | apply, D->INDENT is the current indentation level, D->LINE is used | |
2007 | to print error messages, D->BITMAP indicates which languages to | |
2008 | print the structure for, and D->PARAM is the current parameter | |
2009 | (from an enclosing param_is option). */ | |
e2500fed | 2010 | |
17211ab5 | 2011 | static void |
3d7aafde | 2012 | walk_type (type_p t, struct walk_type_data *d) |
17211ab5 GK |
2013 | { |
2014 | const char *length = NULL; | |
2015 | const char *desc = NULL; | |
2016 | int maybe_undef_p = 0; | |
2017 | int use_param_num = -1; | |
2018 | int use_params_p = 0; | |
17211ab5 | 2019 | options_p oo; |
b453c95f | 2020 | const struct nested_ptr_data *nested_ptr_d = NULL; |
3d7aafde | 2021 | |
d8044160 | 2022 | d->needs_cast_p = false; |
17211ab5 GK |
2023 | for (oo = d->opt; oo; oo = oo->next) |
2024 | if (strcmp (oo->name, "length") == 0) | |
9e2878cf | 2025 | length = oo->info; |
17211ab5 GK |
2026 | else if (strcmp (oo->name, "maybe_undef") == 0) |
2027 | maybe_undef_p = 1; | |
2028 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
2029 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2030 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
2031 | else if (strcmp (oo->name, "use_params") == 0) | |
2032 | use_params_p = 1; | |
2033 | else if (strcmp (oo->name, "desc") == 0) | |
9e2878cf | 2034 | desc = oo->info; |
8d6419b2 BS |
2035 | else if (strcmp (oo->name, "mark_hook") == 0) |
2036 | ; | |
b453c95f | 2037 | else if (strcmp (oo->name, "nested_ptr") == 0) |
d8044160 | 2038 | nested_ptr_d = (const struct nested_ptr_data *) oo->info; |
17211ab5 GK |
2039 | else if (strcmp (oo->name, "dot") == 0) |
2040 | ; | |
2041 | else if (strcmp (oo->name, "tag") == 0) | |
2042 | ; | |
2043 | else if (strcmp (oo->name, "special") == 0) | |
2044 | ; | |
2045 | else if (strcmp (oo->name, "skip") == 0) | |
2046 | ; | |
2047 | else if (strcmp (oo->name, "default") == 0) | |
2048 | ; | |
2049 | else if (strcmp (oo->name, "descbits") == 0) | |
2050 | ; | |
2051 | else if (strcmp (oo->name, "param_is") == 0) | |
2052 | ; | |
084087e1 RH |
2053 | else if (strncmp (oo->name, "param", 5) == 0 |
2054 | && ISDIGIT (oo->name[5]) | |
2055 | && strcmp (oo->name + 6, "_is") == 0) | |
2056 | ; | |
17211ab5 GK |
2057 | else if (strcmp (oo->name, "chain_next") == 0) |
2058 | ; | |
2059 | else if (strcmp (oo->name, "chain_prev") == 0) | |
2060 | ; | |
623f8e39 JJ |
2061 | else if (strcmp (oo->name, "chain_circular") == 0) |
2062 | ; | |
17211ab5 GK |
2063 | else if (strcmp (oo->name, "reorder") == 0) |
2064 | ; | |
2065 | else | |
2066 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
36a5eadd | 2067 | |
17211ab5 GK |
2068 | if (d->used_length) |
2069 | length = NULL; | |
36a5eadd | 2070 | |
17211ab5 GK |
2071 | if (use_params_p) |
2072 | { | |
2073 | int pointer_p = t->kind == TYPE_POINTER; | |
3d7aafde | 2074 | |
17211ab5 GK |
2075 | if (pointer_p) |
2076 | t = t->u.p; | |
2077 | if (! UNION_OR_STRUCT_P (t)) | |
2078 | error_at_line (d->line, "`use_params' option on unimplemented type"); | |
3d7aafde | 2079 | else |
17211ab5 GK |
2080 | t = find_param_structure (t, d->param); |
2081 | if (pointer_p) | |
2082 | t = create_pointer (t); | |
2083 | } | |
3d7aafde | 2084 | |
17211ab5 GK |
2085 | if (use_param_num != -1) |
2086 | { | |
2087 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
e2500fed | 2088 | { |
17211ab5 | 2089 | type_p nt = d->param[use_param_num]; |
3d7aafde | 2090 | |
17211ab5 GK |
2091 | if (t->kind == TYPE_ARRAY) |
2092 | nt = create_array (nt, t->u.a.len); | |
2093 | else if (length != NULL && t->kind == TYPE_POINTER) | |
2094 | nt = create_pointer (nt); | |
f099d360 GK |
2095 | d->needs_cast_p = (t->kind != TYPE_POINTER |
2096 | && (nt->kind == TYPE_POINTER | |
2097 | || nt->kind == TYPE_STRING)); | |
17211ab5 | 2098 | t = nt; |
e2500fed | 2099 | } |
17211ab5 GK |
2100 | else |
2101 | error_at_line (d->line, "no parameter defined for `%s'", | |
2102 | d->val); | |
2103 | } | |
3d7aafde AJ |
2104 | |
2105 | if (maybe_undef_p | |
17211ab5 GK |
2106 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) |
2107 | { | |
3d7aafde | 2108 | error_at_line (d->line, |
17211ab5 GK |
2109 | "field `%s' has invalid option `maybe_undef_p'\n", |
2110 | d->val); | |
2111 | return; | |
2112 | } | |
3d7aafde | 2113 | |
17211ab5 GK |
2114 | switch (t->kind) |
2115 | { | |
2116 | case TYPE_SCALAR: | |
2117 | case TYPE_STRING: | |
2118 | d->process_field (t, d); | |
2119 | break; | |
3d7aafde | 2120 | |
17211ab5 GK |
2121 | case TYPE_POINTER: |
2122 | { | |
2123 | if (maybe_undef_p | |
2124 | && t->u.p->u.s.line.file == NULL) | |
2125 | { | |
b2d59f6f | 2126 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
17211ab5 GK |
2127 | break; |
2128 | } | |
e2500fed | 2129 | |
17211ab5 | 2130 | if (! length) |
e2500fed | 2131 | { |
17211ab5 GK |
2132 | if (! UNION_OR_STRUCT_P (t->u.p) |
2133 | && t->u.p->kind != TYPE_PARAM_STRUCT) | |
e2500fed | 2134 | { |
3d7aafde | 2135 | error_at_line (d->line, |
17211ab5 GK |
2136 | "field `%s' is pointer to unimplemented type", |
2137 | d->val); | |
e2500fed GK |
2138 | break; |
2139 | } | |
3d7aafde | 2140 | |
b453c95f GK |
2141 | if (nested_ptr_d) |
2142 | { | |
2143 | const char *oldprevval2 = d->prev_val[2]; | |
2144 | ||
2145 | if (! UNION_OR_STRUCT_P (nested_ptr_d->type)) | |
2146 | { | |
2147 | error_at_line (d->line, | |
2148 | "field `%s' has invalid " | |
2149 | "option `nested_ptr'\n", | |
2150 | d->val); | |
2151 | return; | |
2152 | } | |
2153 | ||
2154 | d->prev_val[2] = d->val; | |
2155 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2156 | d->indent += 2; | |
2157 | d->val = xasprintf ("x%d", d->counter++); | |
d8044160 | 2158 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
b453c95f GK |
2159 | (nested_ptr_d->type->kind == TYPE_UNION |
2160 | ? "union" : "struct"), | |
d8044160 GK |
2161 | nested_ptr_d->type->u.s.tag, |
2162 | d->fn_wants_lvalue ? "" : "const ", | |
2163 | d->val); | |
b453c95f GK |
2164 | oprintf (d->of, "%*s", d->indent + 2, ""); |
2165 | output_escaped_param (d, nested_ptr_d->convert_from, | |
2166 | "nested_ptr"); | |
2167 | oprintf (d->of, ";\n"); | |
2168 | ||
2169 | d->process_field (nested_ptr_d->type, d); | |
2170 | ||
d8044160 GK |
2171 | if (d->fn_wants_lvalue) |
2172 | { | |
2173 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
2174 | d->prev_val[2]); | |
2175 | d->prev_val[2] = d->val; | |
2176 | output_escaped_param (d, nested_ptr_d->convert_to, | |
2177 | "nested_ptr"); | |
2178 | oprintf (d->of, ";\n"); | |
2179 | } | |
b453c95f GK |
2180 | |
2181 | d->indent -= 2; | |
2182 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2183 | d->val = d->prev_val[2]; | |
2184 | d->prev_val[2] = oldprevval2; | |
2185 | } | |
2186 | else | |
2187 | d->process_field (t->u.p, d); | |
e2500fed | 2188 | } |
3d7aafde | 2189 | else |
e2500fed | 2190 | { |
17211ab5 GK |
2191 | int loopcounter = d->counter++; |
2192 | const char *oldval = d->val; | |
2193 | const char *oldprevval3 = d->prev_val[3]; | |
e2500fed GK |
2194 | char *newval; |
2195 | ||
17211ab5 GK |
2196 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
2197 | d->indent += 2; | |
2198 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
a62a0172 | 2199 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, "", |
17211ab5 GK |
2200 | loopcounter, loopcounter); |
2201 | output_escaped_param (d, length, "length"); | |
2202 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
2203 | d->indent += 2; | |
2204 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2205 | d->used_length = 1; | |
2206 | d->prev_val[3] = oldval; | |
2207 | walk_type (t->u.p, d); | |
e2500fed | 2208 | free (newval); |
17211ab5 GK |
2209 | d->val = oldval; |
2210 | d->prev_val[3] = oldprevval3; | |
2211 | d->used_length = 0; | |
2212 | d->indent -= 2; | |
2213 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
4da6879c | 2214 | d->process_field(t, d); |
17211ab5 GK |
2215 | d->indent -= 2; |
2216 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e2500fed | 2217 | } |
17211ab5 GK |
2218 | } |
2219 | break; | |
e2500fed | 2220 | |
17211ab5 GK |
2221 | case TYPE_ARRAY: |
2222 | { | |
2223 | int loopcounter = d->counter++; | |
2224 | const char *oldval = d->val; | |
2225 | char *newval; | |
2226 | ||
6356f892 | 2227 | /* If it's an array of scalars, we optimize by not generating |
17211ab5 GK |
2228 | any code. */ |
2229 | if (t->u.a.p->kind == TYPE_SCALAR) | |
e2500fed | 2230 | break; |
3d7aafde | 2231 | |
5039610b SL |
2232 | /* When walking an array, compute the length and store it in a |
2233 | local variable before walking the array elements, instead of | |
2234 | recomputing the length expression each time through the loop. | |
2235 | This is necessary to handle tcc_vl_exp objects like CALL_EXPR, | |
2236 | where the length is stored in the first array element, | |
2237 | because otherwise that operand can get overwritten on the | |
2238 | first iteration. */ | |
17211ab5 GK |
2239 | oprintf (d->of, "%*s{\n", d->indent, ""); |
2240 | d->indent += 2; | |
2241 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
5039610b SL |
2242 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", |
2243 | d->indent, "", loopcounter); | |
17211ab5 GK |
2244 | if (length) |
2245 | output_escaped_param (d, length, "length"); | |
2246 | else | |
2247 | oprintf (d->of, "%s", t->u.a.len); | |
5039610b SL |
2248 | oprintf (d->of, ");\n"); |
2249 | ||
2250 | oprintf (d->of, "%*sfor (i%d = 0; i%d != l%d; i%d++) {\n", | |
2251 | d->indent, "", | |
2252 | loopcounter, loopcounter, loopcounter, loopcounter); | |
17211ab5 GK |
2253 | d->indent += 2; |
2254 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2255 | d->used_length = 1; | |
2256 | walk_type (t->u.a.p, d); | |
2257 | free (newval); | |
2258 | d->used_length = 0; | |
2259 | d->val = oldval; | |
2260 | d->indent -= 2; | |
2261 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2262 | d->indent -= 2; | |
2263 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2264 | } | |
2265 | break; | |
3d7aafde | 2266 | |
17211ab5 GK |
2267 | case TYPE_STRUCT: |
2268 | case TYPE_UNION: | |
2269 | { | |
2270 | pair_p f; | |
2271 | const char *oldval = d->val; | |
2272 | const char *oldprevval1 = d->prev_val[1]; | |
2273 | const char *oldprevval2 = d->prev_val[2]; | |
2274 | const int union_p = t->kind == TYPE_UNION; | |
2275 | int seen_default_p = 0; | |
2276 | options_p o; | |
2277 | ||
2278 | if (! t->u.s.line.file) | |
2279 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); | |
e2500fed | 2280 | |
17211ab5 | 2281 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
e2500fed | 2282 | { |
17211ab5 GK |
2283 | error_at_line (d->line, |
2284 | "structure `%s' defined for mismatching languages", | |
2285 | t->u.s.tag); | |
2286 | error_at_line (&t->u.s.line, "one structure defined here"); | |
2287 | } | |
e2500fed | 2288 | |
17211ab5 GK |
2289 | /* Some things may also be defined in the structure's options. */ |
2290 | for (o = t->u.s.opt; o; o = o->next) | |
2291 | if (! desc && strcmp (o->name, "desc") == 0) | |
9e2878cf | 2292 | desc = o->info; |
e2500fed | 2293 | |
17211ab5 GK |
2294 | d->prev_val[2] = oldval; |
2295 | d->prev_val[1] = oldprevval2; | |
2296 | if (union_p) | |
2297 | { | |
2298 | if (desc == NULL) | |
e2500fed | 2299 | { |
17211ab5 GK |
2300 | error_at_line (d->line, "missing `desc' option for union `%s'", |
2301 | t->u.s.tag); | |
2302 | desc = "1"; | |
e2500fed | 2303 | } |
17211ab5 GK |
2304 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
2305 | output_escaped_param (d, desc, "desc"); | |
2306 | oprintf (d->of, ")\n"); | |
2307 | d->indent += 2; | |
2308 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2309 | } | |
2310 | for (f = t->u.s.fields; f; f = f->next) | |
2311 | { | |
2312 | options_p oo; | |
2313 | const char *dot = "."; | |
2314 | const char *tagid = NULL; | |
2315 | int skip_p = 0; | |
2316 | int default_p = 0; | |
2317 | int use_param_p = 0; | |
2318 | char *newval; | |
2319 | ||
2320 | d->reorder_fn = NULL; | |
2321 | for (oo = f->opt; oo; oo = oo->next) | |
2322 | if (strcmp (oo->name, "dot") == 0) | |
9e2878cf | 2323 | dot = oo->info; |
17211ab5 | 2324 | else if (strcmp (oo->name, "tag") == 0) |
9e2878cf | 2325 | tagid = oo->info; |
17211ab5 GK |
2326 | else if (strcmp (oo->name, "skip") == 0) |
2327 | skip_p = 1; | |
2328 | else if (strcmp (oo->name, "default") == 0) | |
2329 | default_p = 1; | |
2330 | else if (strcmp (oo->name, "reorder") == 0) | |
9e2878cf | 2331 | d->reorder_fn = oo->info; |
17211ab5 GK |
2332 | else if (strncmp (oo->name, "use_param", 9) == 0 |
2333 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2334 | use_param_p = 1; | |
2335 | ||
2336 | if (skip_p) | |
2337 | continue; | |
2338 | ||
2339 | if (union_p && tagid) | |
e2500fed | 2340 | { |
17211ab5 GK |
2341 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
2342 | d->indent += 2; | |
e2500fed | 2343 | } |
17211ab5 | 2344 | else if (union_p && default_p) |
e2500fed | 2345 | { |
17211ab5 GK |
2346 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
2347 | d->indent += 2; | |
2348 | seen_default_p = 1; | |
e2500fed | 2349 | } |
17211ab5 | 2350 | else if (! union_p && (default_p || tagid)) |
3d7aafde | 2351 | error_at_line (d->line, |
17211ab5 GK |
2352 | "can't use `%s' outside a union on field `%s'", |
2353 | default_p ? "default" : "tag", f->name); | |
2354 | else if (union_p && ! (default_p || tagid) | |
2355 | && f->type->kind == TYPE_SCALAR) | |
e2500fed | 2356 | { |
17211ab5 GK |
2357 | fprintf (stderr, |
2358 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", | |
2359 | d->line->file, d->line->line, f->name); | |
2360 | continue; | |
e2500fed | 2361 | } |
17211ab5 | 2362 | else if (union_p && ! (default_p || tagid)) |
3d7aafde | 2363 | error_at_line (d->line, |
17211ab5 | 2364 | "field `%s' is missing `tag' or `default' option", |
e2500fed | 2365 | f->name); |
3d7aafde | 2366 | |
17211ab5 GK |
2367 | d->line = &f->line; |
2368 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
2369 | d->opt = f->opt; | |
d8044160 | 2370 | d->used_length = false; |
17211ab5 GK |
2371 | |
2372 | if (union_p && use_param_p && d->param == NULL) | |
b2d59f6f | 2373 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
17211ab5 GK |
2374 | else |
2375 | walk_type (f->type, d); | |
2376 | ||
2377 | free (newval); | |
2378 | ||
2379 | if (union_p) | |
e2500fed | 2380 | { |
17211ab5 GK |
2381 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
2382 | d->indent -= 2; | |
e2500fed | 2383 | } |
17211ab5 GK |
2384 | } |
2385 | d->reorder_fn = NULL; | |
e2500fed | 2386 | |
17211ab5 GK |
2387 | d->val = oldval; |
2388 | d->prev_val[1] = oldprevval1; | |
2389 | d->prev_val[2] = oldprevval2; | |
2390 | ||
2391 | if (union_p && ! seen_default_p) | |
2392 | { | |
2393 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
2394 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
2395 | } | |
2396 | if (union_p) | |
2397 | { | |
2398 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2399 | d->indent -= 2; | |
e2500fed | 2400 | } |
17211ab5 GK |
2401 | } |
2402 | break; | |
e2500fed | 2403 | |
17211ab5 GK |
2404 | case TYPE_LANG_STRUCT: |
2405 | { | |
2406 | type_p nt; | |
2407 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
2408 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
2409 | break; | |
2410 | if (nt == NULL) | |
2411 | error_at_line (d->line, "structure `%s' differs between languages", | |
2412 | t->u.s.tag); | |
2413 | else | |
2414 | walk_type (nt, d); | |
2415 | } | |
2416 | break; | |
2417 | ||
2418 | case TYPE_PARAM_STRUCT: | |
2419 | { | |
2420 | type_p *oldparam = d->param; | |
3d7aafde | 2421 | |
17211ab5 GK |
2422 | d->param = t->u.param_struct.param; |
2423 | walk_type (t->u.param_struct.stru, d); | |
2424 | d->param = oldparam; | |
2425 | } | |
2426 | break; | |
3d7aafde | 2427 | |
17211ab5 | 2428 | default: |
b2d59f6f | 2429 | gcc_unreachable (); |
e2500fed | 2430 | } |
17211ab5 GK |
2431 | } |
2432 | ||
2433 | /* process_field routine for marking routines. */ | |
2434 | ||
2435 | static void | |
3d7aafde | 2436 | write_types_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2437 | { |
2438 | const struct write_types_data *wtd; | |
f099d360 | 2439 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
17211ab5 | 2440 | wtd = (const struct write_types_data *) d->cookie; |
3d7aafde | 2441 | |
17211ab5 | 2442 | switch (f->kind) |
e2500fed | 2443 | { |
17211ab5 | 2444 | case TYPE_POINTER: |
3d7aafde | 2445 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
f099d360 | 2446 | wtd->subfield_marker_routine, cast, d->val); |
17211ab5 | 2447 | if (wtd->param_prefix) |
36a5eadd | 2448 | { |
17211ab5 GK |
2449 | oprintf (d->of, ", %s", d->prev_val[3]); |
2450 | if (d->orig_s) | |
2451 | { | |
2452 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
2453 | output_mangled_typename (d->of, d->orig_s); | |
2454 | } | |
2455 | else | |
2456 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
08cee789 DJ |
2457 | |
2458 | if (f->u.p->kind == TYPE_PARAM_STRUCT | |
2459 | && f->u.p->u.s.line.file != NULL) | |
2460 | { | |
2461 | oprintf (d->of, ", gt_e_"); | |
2462 | output_mangled_typename (d->of, f); | |
2463 | } | |
2464 | else if (UNION_OR_STRUCT_P (f) | |
2465 | && f->u.p->u.s.line.file != NULL) | |
2466 | { | |
2467 | oprintf (d->of, ", gt_ggc_e_"); | |
2468 | output_mangled_typename (d->of, f); | |
2469 | } | |
2470 | else | |
2471 | oprintf (d->of, ", gt_types_enum_last"); | |
36a5eadd | 2472 | } |
17211ab5 GK |
2473 | oprintf (d->of, ");\n"); |
2474 | if (d->reorder_fn && wtd->reorder_note_routine) | |
3d7aafde | 2475 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
f099d360 | 2476 | wtd->reorder_note_routine, cast, d->val, |
17211ab5 GK |
2477 | d->prev_val[3], d->reorder_fn); |
2478 | break; | |
2479 | ||
2480 | case TYPE_STRING: | |
17211ab5 GK |
2481 | case TYPE_STRUCT: |
2482 | case TYPE_UNION: | |
2483 | case TYPE_LANG_STRUCT: | |
2484 | case TYPE_PARAM_STRUCT: | |
2485 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
2486 | output_mangled_typename (d->of, f); | |
f099d360 | 2487 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
17211ab5 | 2488 | if (d->reorder_fn && wtd->reorder_note_routine) |
3d7aafde | 2489 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
f099d360 | 2490 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
17211ab5 GK |
2491 | d->reorder_fn); |
2492 | break; | |
2493 | ||
2494 | case TYPE_SCALAR: | |
2495 | break; | |
3d7aafde | 2496 | |
17211ab5 | 2497 | default: |
b2d59f6f | 2498 | gcc_unreachable (); |
e2500fed GK |
2499 | } |
2500 | } | |
2501 | ||
2d82317d RH |
2502 | /* A subroutine of write_func_for_structure. Write the enum tag for S. */ |
2503 | ||
2504 | static void | |
2505 | output_type_enum (outf_p of, type_p s) | |
2506 | { | |
2507 | if (s->kind == TYPE_PARAM_STRUCT && s->u.s.line.file != NULL) | |
2508 | { | |
2509 | oprintf (of, ", gt_e_"); | |
2510 | output_mangled_typename (of, s); | |
2511 | } | |
2512 | else if (UNION_OR_STRUCT_P (s) && s->u.s.line.file != NULL) | |
2513 | { | |
2514 | oprintf (of, ", gt_ggc_e_"); | |
2515 | output_mangled_typename (of, s); | |
2516 | } | |
2517 | else | |
2518 | oprintf (of, ", gt_types_enum_last"); | |
2519 | } | |
2520 | ||
17211ab5 GK |
2521 | /* For S, a structure that's part of ORIG_S, and using parameters |
2522 | PARAM, write out a routine that: | |
2523 | - Takes a parameter, a void * but actually of type *S | |
2524 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
2525 | field of S or its substructures and (in some cases) things | |
2526 | that are pointed to by S. | |
2527 | */ | |
9f313342 | 2528 | |
e2500fed | 2529 | static void |
8c80adb7 SB |
2530 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
2531 | const struct write_types_data *wtd) | |
e2500fed | 2532 | { |
36a5eadd GK |
2533 | const char *fn = s->u.s.line.file; |
2534 | int i; | |
2535 | const char *chain_next = NULL; | |
2536 | const char *chain_prev = NULL; | |
623f8e39 | 2537 | const char *chain_circular = NULL; |
8d6419b2 | 2538 | const char *mark_hook_name = NULL; |
36a5eadd | 2539 | options_p opt; |
17211ab5 | 2540 | struct walk_type_data d; |
3d7aafde | 2541 | |
36a5eadd GK |
2542 | /* This is a hack, and not the good kind either. */ |
2543 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2544 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
36a5eadd GK |
2545 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2546 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2547 | |
17211ab5 GK |
2548 | memset (&d, 0, sizeof (d)); |
2549 | d.of = get_output_file_with_visibility (fn); | |
3d7aafde | 2550 | |
36a5eadd GK |
2551 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2552 | if (strcmp (opt->name, "chain_next") == 0) | |
9e2878cf | 2553 | chain_next = opt->info; |
36a5eadd | 2554 | else if (strcmp (opt->name, "chain_prev") == 0) |
9e2878cf | 2555 | chain_prev = opt->info; |
623f8e39 JJ |
2556 | else if (strcmp (opt->name, "chain_circular") == 0) |
2557 | chain_circular = opt->info; | |
8d6419b2 BS |
2558 | else if (strcmp (opt->name, "mark_hook") == 0) |
2559 | mark_hook_name = opt->info; | |
36a5eadd GK |
2560 | |
2561 | if (chain_prev != NULL && chain_next == NULL) | |
2562 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
623f8e39 JJ |
2563 | if (chain_circular != NULL && chain_next != NULL) |
2564 | error_at_line (&s->u.s.line, "chain_circular with chain_next"); | |
2565 | if (chain_circular != NULL) | |
2566 | chain_next = chain_circular; | |
36a5eadd | 2567 | |
17211ab5 GK |
2568 | d.process_field = write_types_process_field; |
2569 | d.cookie = wtd; | |
2570 | d.orig_s = orig_s; | |
2571 | d.opt = s->u.s.opt; | |
2572 | d.line = &s->u.s.line; | |
2573 | d.bitmap = s->u.s.bitmap; | |
2574 | d.param = param; | |
2575 | d.prev_val[0] = "*x"; | |
e0a21ab9 | 2576 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2577 | d.prev_val[3] = "x"; |
2578 | d.val = "(*x)"; | |
2579 | ||
2580 | oprintf (d.of, "\n"); | |
2581 | oprintf (d.of, "void\n"); | |
e2500fed | 2582 | if (param == NULL) |
17211ab5 | 2583 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
e2500fed | 2584 | else |
36a5eadd | 2585 | { |
17211ab5 GK |
2586 | oprintf (d.of, "gt_%s_", wtd->prefix); |
2587 | output_mangled_typename (d.of, orig_s); | |
36a5eadd | 2588 | } |
6906ba40 | 2589 | oprintf (d.of, " (void *x_p)\n"); |
17211ab5 GK |
2590 | oprintf (d.of, "{\n"); |
2591 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
e2500fed | 2592 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
36a5eadd | 2593 | chain_next == NULL ? "const " : "", |
e2500fed | 2594 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
36a5eadd | 2595 | if (chain_next != NULL) |
17211ab5 | 2596 | oprintf (d.of, " %s %s * xlimit = x;\n", |
36a5eadd GK |
2597 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
2598 | if (chain_next == NULL) | |
17211ab5 GK |
2599 | { |
2600 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
2601 | if (wtd->param_prefix) | |
2602 | { | |
2603 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
2604 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2605 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2606 | } |
2607 | oprintf (d.of, "))\n"); | |
2608 | } | |
36a5eadd GK |
2609 | else |
2610 | { | |
623f8e39 JJ |
2611 | if (chain_circular != NULL) |
2612 | oprintf (d.of, " if (!%s (xlimit", wtd->marker_routine); | |
2613 | else | |
2614 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
17211ab5 GK |
2615 | if (wtd->param_prefix) |
2616 | { | |
2617 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2618 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2619 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2620 | } |
2621 | oprintf (d.of, "))\n"); | |
623f8e39 JJ |
2622 | if (chain_circular != NULL) |
2623 | oprintf (d.of, " return;\n do\n"); | |
8d6419b2 BS |
2624 | if (mark_hook_name && !wtd->skip_hooks) |
2625 | { | |
2626 | oprintf (d.of, " {\n"); | |
2627 | oprintf (d.of, " %s (xlimit);\n ", mark_hook_name); | |
2628 | } | |
17211ab5 GK |
2629 | oprintf (d.of, " xlimit = ("); |
2630 | d.prev_val[2] = "*xlimit"; | |
2631 | output_escaped_param (&d, chain_next, "chain_next"); | |
2632 | oprintf (d.of, ");\n"); | |
8d6419b2 BS |
2633 | if (mark_hook_name && !wtd->skip_hooks) |
2634 | oprintf (d.of, " }\n"); | |
36a5eadd GK |
2635 | if (chain_prev != NULL) |
2636 | { | |
17211ab5 GK |
2637 | oprintf (d.of, " if (x != xlimit)\n"); |
2638 | oprintf (d.of, " for (;;)\n"); | |
2639 | oprintf (d.of, " {\n"); | |
2640 | oprintf (d.of, " %s %s * const xprev = (", | |
36a5eadd | 2641 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
3d7aafde | 2642 | |
17211ab5 GK |
2643 | d.prev_val[2] = "*x"; |
2644 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
2645 | oprintf (d.of, ");\n"); | |
2646 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
2647 | oprintf (d.of, " x = xprev;\n"); | |
3d7aafde | 2648 | oprintf (d.of, " (void) %s (xprev", |
17211ab5 GK |
2649 | wtd->marker_routine); |
2650 | if (wtd->param_prefix) | |
2651 | { | |
2652 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
2653 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2654 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2655 | } |
2656 | oprintf (d.of, ");\n"); | |
2657 | oprintf (d.of, " }\n"); | |
36a5eadd | 2658 | } |
623f8e39 JJ |
2659 | if (chain_circular != NULL) |
2660 | { | |
2661 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
2662 | if (wtd->param_prefix) | |
2663 | { | |
2664 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2665 | output_mangled_typename (d.of, orig_s); | |
2666 | output_type_enum (d.of, orig_s); | |
2667 | } | |
2668 | oprintf (d.of, "));\n"); | |
2669 | if (mark_hook_name && !wtd->skip_hooks) | |
2670 | oprintf (d.of, " %s (xlimit);\n", mark_hook_name); | |
2671 | oprintf (d.of, " do\n"); | |
2672 | } | |
2673 | else | |
2674 | oprintf (d.of, " while (x != xlimit)\n"); | |
36a5eadd | 2675 | } |
17211ab5 | 2676 | oprintf (d.of, " {\n"); |
8d6419b2 BS |
2677 | if (mark_hook_name && chain_next == NULL && !wtd->skip_hooks) |
2678 | { | |
2679 | oprintf (d.of, " %s (x);\n", mark_hook_name); | |
2680 | } | |
17211ab5 GK |
2681 | d.prev_val[2] = "*x"; |
2682 | d.indent = 6; | |
2683 | walk_type (s, &d); | |
3d7aafde | 2684 | |
36a5eadd GK |
2685 | if (chain_next != NULL) |
2686 | { | |
17211ab5 GK |
2687 | oprintf (d.of, " x = ("); |
2688 | output_escaped_param (&d, chain_next, "chain_next"); | |
2689 | oprintf (d.of, ");\n"); | |
36a5eadd GK |
2690 | } |
2691 | ||
17211ab5 | 2692 | oprintf (d.of, " }\n"); |
623f8e39 JJ |
2693 | if (chain_circular != NULL) |
2694 | oprintf (d.of, " while (x != xlimit);\n"); | |
17211ab5 | 2695 | oprintf (d.of, "}\n"); |
e2500fed | 2696 | } |
9f313342 GK |
2697 | |
2698 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
e2500fed GK |
2699 | |
2700 | static void | |
3d7aafde AJ |
2701 | write_types (type_p structures, type_p param_structs, |
2702 | const struct write_types_data *wtd) | |
e2500fed GK |
2703 | { |
2704 | type_p s; | |
3d7aafde | 2705 | |
17211ab5 | 2706 | oprintf (header_file, "\n/* %s*/\n", wtd->comment); |
e2500fed GK |
2707 | for (s = structures; s; s = s->next) |
2708 | if (s->gc_used == GC_POINTED_TO | |
2709 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2710 | { | |
2711 | options_p opt; | |
3d7aafde | 2712 | |
e2500fed GK |
2713 | if (s->gc_used == GC_MAYBE_POINTED_TO |
2714 | && s->u.s.line.file == NULL) | |
2715 | continue; | |
2716 | ||
17211ab5 | 2717 | oprintf (header_file, "#define gt_%s_", wtd->prefix); |
36a5eadd GK |
2718 | output_mangled_typename (header_file, s); |
2719 | oprintf (header_file, "(X) do { \\\n"); | |
e03856fe | 2720 | oprintf (header_file, |
3d7aafde | 2721 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
17211ab5 | 2722 | s->u.s.tag); |
e03856fe | 2723 | oprintf (header_file, |
e2500fed | 2724 | " } while (0)\n"); |
3d7aafde | 2725 | |
e2500fed GK |
2726 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2727 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2728 | { | |
e5cfc29f | 2729 | const_type_p const t = (const_type_p) opt->info; |
3d7aafde | 2730 | if (t->kind == TYPE_STRUCT |
e2500fed GK |
2731 | || t->kind == TYPE_UNION |
2732 | || t->kind == TYPE_LANG_STRUCT) | |
e03856fe | 2733 | oprintf (header_file, |
17211ab5 GK |
2734 | "#define gt_%sx_%s gt_%sx_%s\n", |
2735 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
e2500fed | 2736 | else |
3d7aafde | 2737 | error_at_line (&s->u.s.line, |
e2500fed GK |
2738 | "structure alias is not a structure"); |
2739 | break; | |
2740 | } | |
2741 | if (opt) | |
2742 | continue; | |
2743 | ||
2744 | /* Declare the marker procedure only once. */ | |
3d7aafde AJ |
2745 | oprintf (header_file, |
2746 | "extern void gt_%sx_%s (void *);\n", | |
17211ab5 | 2747 | wtd->prefix, s->u.s.tag); |
3d7aafde | 2748 | |
e2500fed GK |
2749 | if (s->u.s.line.file == NULL) |
2750 | { | |
3d7aafde | 2751 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2752 | s->u.s.tag); |
2753 | continue; | |
2754 | } | |
3d7aafde | 2755 | |
e2500fed GK |
2756 | if (s->kind == TYPE_LANG_STRUCT) |
2757 | { | |
2758 | type_p ss; | |
2759 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 | 2760 | write_func_for_structure (s, ss, NULL, wtd); |
e2500fed GK |
2761 | } |
2762 | else | |
17211ab5 | 2763 | write_func_for_structure (s, s, NULL, wtd); |
e2500fed GK |
2764 | } |
2765 | ||
2766 | for (s = param_structs; s; s = s->next) | |
2767 | if (s->gc_used == GC_POINTED_TO) | |
2768 | { | |
36a5eadd | 2769 | type_p * param = s->u.param_struct.param; |
e2500fed GK |
2770 | type_p stru = s->u.param_struct.stru; |
2771 | ||
e2500fed | 2772 | /* Declare the marker procedure. */ |
17211ab5 | 2773 | oprintf (header_file, "extern void gt_%s_", wtd->prefix); |
36a5eadd | 2774 | output_mangled_typename (header_file, s); |
3d7aafde AJ |
2775 | oprintf (header_file, " (void *);\n"); |
2776 | ||
e2500fed GK |
2777 | if (stru->u.s.line.file == NULL) |
2778 | { | |
3d7aafde | 2779 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2780 | s->u.s.tag); |
2781 | continue; | |
2782 | } | |
3d7aafde | 2783 | |
e2500fed GK |
2784 | if (stru->kind == TYPE_LANG_STRUCT) |
2785 | { | |
2786 | type_p ss; | |
2787 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 GK |
2788 | write_func_for_structure (s, ss, param, wtd); |
2789 | } | |
2790 | else | |
2791 | write_func_for_structure (s, stru, param, wtd); | |
2792 | } | |
2793 | } | |
2794 | ||
2795 | static const struct write_types_data ggc_wtd = | |
2796 | { | |
2797 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, | |
8d6419b2 BS |
2798 | "GC marker procedures. ", |
2799 | FALSE | |
17211ab5 GK |
2800 | }; |
2801 | ||
2802 | static const struct write_types_data pch_wtd = | |
2803 | { | |
2804 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", | |
2805 | "gt_pch_note_reorder", | |
8d6419b2 BS |
2806 | "PCH type-walking procedures. ", |
2807 | TRUE | |
17211ab5 GK |
2808 | }; |
2809 | ||
2810 | /* Write out the local pointer-walking routines. */ | |
2811 | ||
2812 | /* process_field routine for local pointer-walking. */ | |
2813 | ||
2814 | static void | |
3d7aafde | 2815 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2816 | { |
2817 | switch (f->kind) | |
2818 | { | |
2819 | case TYPE_POINTER: | |
2820 | case TYPE_STRUCT: | |
2821 | case TYPE_UNION: | |
2822 | case TYPE_LANG_STRUCT: | |
2823 | case TYPE_PARAM_STRUCT: | |
2824 | case TYPE_STRING: | |
2825 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
2826 | d->prev_val[3]); | |
2827 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
2828 | break; | |
2829 | ||
2830 | case TYPE_SCALAR: | |
2831 | break; | |
3d7aafde | 2832 | |
17211ab5 | 2833 | default: |
b2d59f6f | 2834 | gcc_unreachable (); |
17211ab5 GK |
2835 | } |
2836 | } | |
2837 | ||
2838 | /* For S, a structure that's part of ORIG_S, and using parameters | |
2839 | PARAM, write out a routine that: | |
2840 | - Is of type gt_note_pointers | |
d8044160 | 2841 | - Calls PROCESS_FIELD on each field of S or its substructures. |
17211ab5 GK |
2842 | */ |
2843 | ||
2844 | static void | |
3d7aafde | 2845 | write_local_func_for_structure (type_p orig_s, type_p s, type_p *param) |
17211ab5 GK |
2846 | { |
2847 | const char *fn = s->u.s.line.file; | |
2848 | int i; | |
2849 | struct walk_type_data d; | |
3d7aafde | 2850 | |
17211ab5 GK |
2851 | /* This is a hack, and not the good kind either. */ |
2852 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2853 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
17211ab5 GK |
2854 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2855 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2856 | |
17211ab5 GK |
2857 | memset (&d, 0, sizeof (d)); |
2858 | d.of = get_output_file_with_visibility (fn); | |
17211ab5 GK |
2859 | d.process_field = write_types_local_process_field; |
2860 | d.opt = s->u.s.opt; | |
2861 | d.line = &s->u.s.line; | |
2862 | d.bitmap = s->u.s.bitmap; | |
2863 | d.param = param; | |
2864 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
e0a21ab9 | 2865 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2866 | d.prev_val[3] = "x"; |
2867 | d.val = "(*x)"; | |
d8044160 | 2868 | d.fn_wants_lvalue = true; |
17211ab5 GK |
2869 | |
2870 | oprintf (d.of, "\n"); | |
2871 | oprintf (d.of, "void\n"); | |
2872 | oprintf (d.of, "gt_pch_p_"); | |
2873 | output_mangled_typename (d.of, orig_s); | |
e18476eb BI |
2874 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
2875 | "\tvoid *x_p,\n" | |
2876 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
2877 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
17211ab5 GK |
2878 | oprintf (d.of, "{\n"); |
2879 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
2880 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
2881 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
2882 | d.indent = 2; | |
2883 | walk_type (s, &d); | |
2884 | oprintf (d.of, "}\n"); | |
2885 | } | |
2886 | ||
2887 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
2888 | ||
2889 | static void | |
3d7aafde | 2890 | write_local (type_p structures, type_p param_structs) |
17211ab5 GK |
2891 | { |
2892 | type_p s; | |
3d7aafde | 2893 | |
bd117bb6 BS |
2894 | if (!header_file) |
2895 | return; | |
17211ab5 GK |
2896 | oprintf (header_file, "\n/* Local pointer-walking routines. */\n"); |
2897 | for (s = structures; s; s = s->next) | |
2898 | if (s->gc_used == GC_POINTED_TO | |
2899 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2900 | { | |
2901 | options_p opt; | |
3d7aafde | 2902 | |
17211ab5 GK |
2903 | if (s->u.s.line.file == NULL) |
2904 | continue; | |
2905 | ||
2906 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2907 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2908 | { | |
e5cfc29f | 2909 | const_type_p const t = (const_type_p) opt->info; |
3d7aafde | 2910 | if (t->kind == TYPE_STRUCT |
17211ab5 GK |
2911 | || t->kind == TYPE_UNION |
2912 | || t->kind == TYPE_LANG_STRUCT) | |
2913 | { | |
2914 | oprintf (header_file, "#define gt_pch_p_"); | |
2915 | output_mangled_typename (header_file, s); | |
2916 | oprintf (header_file, " gt_pch_p_"); | |
2917 | output_mangled_typename (header_file, t); | |
2918 | oprintf (header_file, "\n"); | |
2919 | } | |
2920 | else | |
3d7aafde | 2921 | error_at_line (&s->u.s.line, |
17211ab5 GK |
2922 | "structure alias is not a structure"); |
2923 | break; | |
2924 | } | |
2925 | if (opt) | |
2926 | continue; | |
2927 | ||
2928 | /* Declare the marker procedure only once. */ | |
2929 | oprintf (header_file, "extern void gt_pch_p_"); | |
2930 | output_mangled_typename (header_file, s); | |
3d7aafde AJ |
2931 | oprintf (header_file, |
2932 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2933 | ||
17211ab5 GK |
2934 | if (s->kind == TYPE_LANG_STRUCT) |
2935 | { | |
2936 | type_p ss; | |
2937 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2938 | write_local_func_for_structure (s, ss, NULL); | |
2939 | } | |
2940 | else | |
2941 | write_local_func_for_structure (s, s, NULL); | |
2942 | } | |
2943 | ||
2944 | for (s = param_structs; s; s = s->next) | |
2945 | if (s->gc_used == GC_POINTED_TO) | |
2946 | { | |
2947 | type_p * param = s->u.param_struct.param; | |
2948 | type_p stru = s->u.param_struct.stru; | |
2949 | ||
2950 | /* Declare the marker procedure. */ | |
2951 | oprintf (header_file, "extern void gt_pch_p_"); | |
2952 | output_mangled_typename (header_file, s); | |
3d7aafde AJ |
2953 | oprintf (header_file, |
2954 | "\n (void *, void *, gt_pointer_operator, void *);\n"); | |
2955 | ||
17211ab5 GK |
2956 | if (stru->u.s.line.file == NULL) |
2957 | { | |
3d7aafde | 2958 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
17211ab5 GK |
2959 | s->u.s.tag); |
2960 | continue; | |
2961 | } | |
3d7aafde | 2962 | |
17211ab5 GK |
2963 | if (stru->kind == TYPE_LANG_STRUCT) |
2964 | { | |
2965 | type_p ss; | |
2966 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
2967 | write_local_func_for_structure (s, ss, param); | |
e2500fed GK |
2968 | } |
2969 | else | |
17211ab5 | 2970 | write_local_func_for_structure (s, stru, param); |
36a5eadd GK |
2971 | } |
2972 | } | |
2973 | ||
2974 | /* Write out the 'enum' definition for gt_types_enum. */ | |
2975 | ||
2976 | static void | |
8c80adb7 | 2977 | write_enum_defn (type_p structures, type_p param_structs) |
36a5eadd GK |
2978 | { |
2979 | type_p s; | |
3d7aafde | 2980 | |
bd117bb6 BS |
2981 | if (!header_file) |
2982 | return; | |
36a5eadd GK |
2983 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
2984 | oprintf (header_file, "enum gt_types_enum {\n"); | |
2985 | for (s = structures; s; s = s->next) | |
2986 | if (s->gc_used == GC_POINTED_TO | |
2987 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2988 | { | |
2989 | if (s->gc_used == GC_MAYBE_POINTED_TO | |
2990 | && s->u.s.line.file == NULL) | |
2991 | continue; | |
2992 | ||
2993 | oprintf (header_file, " gt_ggc_e_"); | |
2994 | output_mangled_typename (header_file, s); | |
2995 | oprintf (header_file, ", \n"); | |
e2500fed | 2996 | } |
36a5eadd GK |
2997 | for (s = param_structs; s; s = s->next) |
2998 | if (s->gc_used == GC_POINTED_TO) | |
2999 | { | |
3000 | oprintf (header_file, " gt_e_"); | |
3001 | output_mangled_typename (header_file, s); | |
3002 | oprintf (header_file, ", \n"); | |
3003 | } | |
3004 | oprintf (header_file, " gt_types_enum_last\n"); | |
3005 | oprintf (header_file, "};\n"); | |
e2500fed GK |
3006 | } |
3007 | ||
17211ab5 GK |
3008 | /* Might T contain any non-pointer elements? */ |
3009 | ||
3010 | static int | |
3d7aafde | 3011 | contains_scalar_p (type_p t) |
17211ab5 GK |
3012 | { |
3013 | switch (t->kind) | |
3014 | { | |
3015 | case TYPE_STRING: | |
3016 | case TYPE_POINTER: | |
3017 | return 0; | |
3018 | case TYPE_ARRAY: | |
3019 | return contains_scalar_p (t->u.a.p); | |
3020 | default: | |
3021 | /* Could also check for structures that have no non-pointer | |
3022 | fields, but there aren't enough of those to worry about. */ | |
3023 | return 1; | |
3024 | } | |
3025 | } | |
36a5eadd | 3026 | |
9f313342 GK |
3027 | /* Mangle FN and print it to F. */ |
3028 | ||
e2500fed | 3029 | static void |
3d7aafde | 3030 | put_mangled_filename (outf_p f, const char *fn) |
e2500fed GK |
3031 | { |
3032 | const char *name = get_output_file_name (fn); | |
bd117bb6 BS |
3033 | if (!f || !name) |
3034 | return; | |
e2500fed | 3035 | for (; *name != 0; name++) |
1f8e4682 | 3036 | if (ISALNUM (*name)) |
e03856fe | 3037 | oprintf (f, "%c", *name); |
e2500fed | 3038 | else |
e03856fe | 3039 | oprintf (f, "%c", '_'); |
e2500fed GK |
3040 | } |
3041 | ||
9f313342 GK |
3042 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
3043 | LASTNAME, and NAME are all strings to insert in various places in | |
3044 | the resulting code. */ | |
3045 | ||
e2500fed | 3046 | static void |
3d7aafde AJ |
3047 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
3048 | const char *tname, const char *name) | |
e2500fed GK |
3049 | { |
3050 | struct flist *fli2; | |
3d7aafde | 3051 | |
e2500fed GK |
3052 | for (fli2 = flp; fli2; fli2 = fli2->next) |
3053 | if (fli2->started_p) | |
3054 | { | |
e03856fe GK |
3055 | oprintf (fli2->f, " %s\n", lastname); |
3056 | oprintf (fli2->f, "};\n\n"); | |
e2500fed GK |
3057 | } |
3058 | ||
bd117bb6 | 3059 | for (fli2 = flp; fli2 && base_files; fli2 = fli2->next) |
e2500fed GK |
3060 | if (fli2->started_p) |
3061 | { | |
11a67599 | 3062 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
e2500fed GK |
3063 | int fnum; |
3064 | ||
3065 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
3066 | if (bitmap & 1) | |
3067 | { | |
e03856fe | 3068 | oprintf (base_files[fnum], |
17211ab5 | 3069 | "extern const struct %s gt_%s_", |
e2500fed GK |
3070 | tname, pfx); |
3071 | put_mangled_filename (base_files[fnum], fli2->name); | |
e03856fe | 3072 | oprintf (base_files[fnum], "[];\n"); |
e2500fed GK |
3073 | } |
3074 | } | |
3d7aafde | 3075 | |
17211ab5 GK |
3076 | { |
3077 | size_t fnum; | |
bd117bb6 | 3078 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
17211ab5 | 3079 | oprintf (base_files [fnum], |
6bc7bc14 | 3080 | "EXPORTED_CONST struct %s * const %s[] = {\n", |
17211ab5 GK |
3081 | tname, name); |
3082 | } | |
3d7aafde | 3083 | |
e2500fed GK |
3084 | |
3085 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
3086 | if (fli2->started_p) | |
3087 | { | |
11a67599 | 3088 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
e2500fed GK |
3089 | int fnum; |
3090 | ||
3091 | fli2->started_p = 0; | |
3092 | ||
bd117bb6 | 3093 | for (fnum = 0; base_files && bitmap != 0; fnum++, bitmap >>= 1) |
e2500fed GK |
3094 | if (bitmap & 1) |
3095 | { | |
17211ab5 | 3096 | oprintf (base_files[fnum], " gt_%s_", pfx); |
e2500fed | 3097 | put_mangled_filename (base_files[fnum], fli2->name); |
e03856fe | 3098 | oprintf (base_files[fnum], ",\n"); |
e2500fed GK |
3099 | } |
3100 | } | |
3101 | ||
3102 | { | |
17211ab5 | 3103 | size_t fnum; |
bd117bb6 | 3104 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
17211ab5 GK |
3105 | { |
3106 | oprintf (base_files[fnum], " NULL\n"); | |
3107 | oprintf (base_files[fnum], "};\n"); | |
3108 | } | |
e2500fed GK |
3109 | } |
3110 | } | |
3111 | ||
9f313342 GK |
3112 | /* Write out to F the table entry and any marker routines needed to |
3113 | mark NAME as TYPE. The original variable is V, at LINE. | |
3114 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED | |
3115 | is nonzero iff we are building the root table for hash table caches. */ | |
3116 | ||
e2500fed | 3117 | static void |
3d7aafde AJ |
3118 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
3119 | struct fileloc *line, const char *if_marked) | |
e2500fed GK |
3120 | { |
3121 | switch (type->kind) | |
3122 | { | |
3123 | case TYPE_STRUCT: | |
3124 | { | |
3125 | pair_p fld; | |
3126 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
3127 | { | |
3128 | int skip_p = 0; | |
3129 | const char *desc = NULL; | |
3130 | options_p o; | |
3d7aafde | 3131 | |
e2500fed GK |
3132 | for (o = fld->opt; o; o = o->next) |
3133 | if (strcmp (o->name, "skip") == 0) | |
3134 | skip_p = 1; | |
3135 | else if (strcmp (o->name, "desc") == 0) | |
9e2878cf | 3136 | desc = o->info; |
69c32ec8 JH |
3137 | else if (strcmp (o->name, "param_is") == 0) |
3138 | ; | |
e2500fed GK |
3139 | else |
3140 | error_at_line (line, | |
3141 | "field `%s' of global `%s' has unknown option `%s'", | |
3142 | fld->name, name, o->name); | |
3d7aafde | 3143 | |
e2500fed GK |
3144 | if (skip_p) |
3145 | continue; | |
3146 | else if (desc && fld->type->kind == TYPE_UNION) | |
3147 | { | |
3148 | pair_p validf = NULL; | |
3149 | pair_p ufld; | |
3d7aafde | 3150 | |
e2500fed GK |
3151 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
3152 | { | |
3153 | const char *tag = NULL; | |
3154 | options_p oo; | |
3d7aafde | 3155 | |
e2500fed GK |
3156 | for (oo = ufld->opt; oo; oo = oo->next) |
3157 | if (strcmp (oo->name, "tag") == 0) | |
9e2878cf | 3158 | tag = oo->info; |
e2500fed GK |
3159 | if (tag == NULL || strcmp (tag, desc) != 0) |
3160 | continue; | |
3161 | if (validf != NULL) | |
3d7aafde | 3162 | error_at_line (line, |
e2500fed GK |
3163 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
3164 | name, fld->name, validf->name, | |
3165 | name, fld->name, ufld->name, | |
3166 | tag); | |
3167 | validf = ufld; | |
3168 | } | |
3169 | if (validf != NULL) | |
3170 | { | |
3171 | char *newname; | |
3d7aafde | 3172 | newname = xasprintf ("%s.%s.%s", |
e03856fe | 3173 | name, fld->name, validf->name); |
17211ab5 GK |
3174 | write_root (f, v, validf->type, newname, 0, line, |
3175 | if_marked); | |
e2500fed GK |
3176 | free (newname); |
3177 | } | |
3178 | } | |
3179 | else if (desc) | |
3d7aafde | 3180 | error_at_line (line, |
e2500fed GK |
3181 | "global `%s.%s' has `desc' option but is not union", |
3182 | name, fld->name); | |
3183 | else | |
3184 | { | |
3185 | char *newname; | |
e03856fe | 3186 | newname = xasprintf ("%s.%s", name, fld->name); |
17211ab5 | 3187 | write_root (f, v, fld->type, newname, 0, line, if_marked); |
e2500fed GK |
3188 | free (newname); |
3189 | } | |
3190 | } | |
3191 | } | |
3192 | break; | |
3193 | ||
3194 | case TYPE_ARRAY: | |
3195 | { | |
3196 | char *newname; | |
e03856fe | 3197 | newname = xasprintf ("%s[0]", name); |
17211ab5 | 3198 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked); |
e2500fed GK |
3199 | free (newname); |
3200 | } | |
3201 | break; | |
3d7aafde | 3202 | |
e2500fed GK |
3203 | case TYPE_POINTER: |
3204 | { | |
3205 | type_p ap, tp; | |
3d7aafde | 3206 | |
e03856fe GK |
3207 | oprintf (f, " {\n"); |
3208 | oprintf (f, " &%s,\n", name); | |
3209 | oprintf (f, " 1"); | |
3d7aafde | 3210 | |
e2500fed GK |
3211 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
3212 | if (ap->u.a.len[0]) | |
e03856fe | 3213 | oprintf (f, " * (%s)", ap->u.a.len); |
e2500fed | 3214 | else if (ap == v->type) |
62c71f4b | 3215 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); |
e03856fe GK |
3216 | oprintf (f, ",\n"); |
3217 | oprintf (f, " sizeof (%s", v->name); | |
e2500fed | 3218 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
e03856fe GK |
3219 | oprintf (f, "[0]"); |
3220 | oprintf (f, "),\n"); | |
3d7aafde | 3221 | |
e2500fed | 3222 | tp = type->u.p; |
3d7aafde | 3223 | |
e2500fed GK |
3224 | if (! has_length && UNION_OR_STRUCT_P (tp)) |
3225 | { | |
17211ab5 GK |
3226 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
3227 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
e2500fed GK |
3228 | } |
3229 | else if (! has_length && tp->kind == TYPE_PARAM_STRUCT) | |
3230 | { | |
36a5eadd GK |
3231 | oprintf (f, " >_ggc_m_"); |
3232 | output_mangled_typename (f, tp); | |
17211ab5 GK |
3233 | oprintf (f, ",\n >_pch_n_"); |
3234 | output_mangled_typename (f, tp); | |
e2500fed GK |
3235 | } |
3236 | else if (has_length | |
afb0f770 | 3237 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
e2500fed | 3238 | { |
17211ab5 GK |
3239 | oprintf (f, " >_ggc_ma_%s,\n", name); |
3240 | oprintf (f, " >_pch_na_%s", name); | |
e2500fed GK |
3241 | } |
3242 | else | |
3243 | { | |
3d7aafde | 3244 | error_at_line (line, |
e2500fed GK |
3245 | "global `%s' is pointer to unimplemented type", |
3246 | name); | |
3247 | } | |
3248 | if (if_marked) | |
e03856fe GK |
3249 | oprintf (f, ",\n &%s", if_marked); |
3250 | oprintf (f, "\n },\n"); | |
e2500fed GK |
3251 | } |
3252 | break; | |
3253 | ||
e2500fed | 3254 | case TYPE_STRING: |
17211ab5 GK |
3255 | { |
3256 | oprintf (f, " {\n"); | |
3257 | oprintf (f, " &%s,\n", name); | |
3258 | oprintf (f, " 1, \n"); | |
3259 | oprintf (f, " sizeof (%s),\n", v->name); | |
dae4174e | 3260 | oprintf (f, " (gt_pointer_walker) >_ggc_m_S,\n"); |
f099d360 | 3261 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
17211ab5 GK |
3262 | oprintf (f, " },\n"); |
3263 | } | |
3264 | break; | |
3d7aafde | 3265 | |
17211ab5 | 3266 | case TYPE_SCALAR: |
e2500fed | 3267 | break; |
3d7aafde | 3268 | |
e2500fed | 3269 | default: |
3d7aafde | 3270 | error_at_line (line, |
e2500fed GK |
3271 | "global `%s' is unimplemented type", |
3272 | name); | |
3273 | } | |
3274 | } | |
3275 | ||
17211ab5 GK |
3276 | /* This generates a routine to walk an array. */ |
3277 | ||
3278 | static void | |
3d7aafde | 3279 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
17211ab5 GK |
3280 | { |
3281 | struct walk_type_data d; | |
3282 | char *prevval3; | |
3d7aafde | 3283 | |
17211ab5 GK |
3284 | memset (&d, 0, sizeof (d)); |
3285 | d.of = f; | |
3286 | d.cookie = wtd; | |
3287 | d.indent = 2; | |
3288 | d.line = &v->line; | |
3289 | d.opt = v->opt; | |
11a67599 | 3290 | d.bitmap = get_lang_bitmap (v->line.file); |
17211ab5 GK |
3291 | d.param = NULL; |
3292 | ||
3293 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
3294 | ||
3295 | if (wtd->param_prefix) | |
3296 | { | |
3297 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
3d7aafde AJ |
3298 | oprintf (f, |
3299 | " (void *, void *, gt_pointer_operator, void *);\n"); | |
e18476eb | 3300 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
17211ab5 | 3301 | wtd->param_prefix, v->name); |
e18476eb BI |
3302 | oprintf (d.of, |
3303 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
3304 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3305 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
17211ab5 GK |
3306 | oprintf (d.of, "{\n"); |
3307 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3308 | d.process_field = write_types_local_process_field; | |
3309 | walk_type (v->type, &d); | |
3310 | oprintf (f, "}\n\n"); | |
3311 | } | |
3312 | ||
3313 | d.opt = v->opt; | |
3d7aafde | 3314 | oprintf (f, "static void gt_%sa_%s (void *);\n", |
17211ab5 | 3315 | wtd->prefix, v->name); |
e18476eb | 3316 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
17211ab5 | 3317 | wtd->prefix, v->name); |
17211ab5 GK |
3318 | oprintf (f, "{\n"); |
3319 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3320 | d.process_field = write_types_process_field; | |
3321 | walk_type (v->type, &d); | |
3322 | free (prevval3); | |
3323 | oprintf (f, "}\n\n"); | |
3324 | } | |
3325 | ||
9f313342 GK |
3326 | /* Output a table describing the locations and types of VARIABLES. */ |
3327 | ||
e2500fed | 3328 | static void |
3d7aafde | 3329 | write_roots (pair_p variables) |
e2500fed GK |
3330 | { |
3331 | pair_p v; | |
3332 | struct flist *flp = NULL; | |
3333 | ||
3334 | for (v = variables; v; v = v->next) | |
3335 | { | |
e03856fe | 3336 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3337 | struct flist *fli; |
3338 | const char *length = NULL; | |
3339 | int deletable_p = 0; | |
3340 | options_p o; | |
3341 | ||
3342 | for (o = v->opt; o; o = o->next) | |
3343 | if (strcmp (o->name, "length") == 0) | |
9e2878cf | 3344 | length = o->info; |
e2500fed GK |
3345 | else if (strcmp (o->name, "deletable") == 0) |
3346 | deletable_p = 1; | |
3347 | else if (strcmp (o->name, "param_is") == 0) | |
3348 | ; | |
3d7aafde | 3349 | else if (strncmp (o->name, "param", 5) == 0 |
36a5eadd GK |
3350 | && ISDIGIT (o->name[5]) |
3351 | && strcmp (o->name + 6, "_is") == 0) | |
3352 | ; | |
e2500fed GK |
3353 | else if (strcmp (o->name, "if_marked") == 0) |
3354 | ; | |
3355 | else | |
3d7aafde | 3356 | error_at_line (&v->line, |
e2500fed GK |
3357 | "global `%s' has unknown option `%s'", |
3358 | v->name, o->name); | |
3359 | ||
3360 | for (fli = flp; fli; fli = fli->next) | |
bd117bb6 | 3361 | if (fli->f == f && f) |
e2500fed GK |
3362 | break; |
3363 | if (fli == NULL) | |
3364 | { | |
5d038c4c | 3365 | fli = XNEW (struct flist); |
e2500fed GK |
3366 | fli->f = f; |
3367 | fli->next = flp; | |
3368 | fli->started_p = 0; | |
3369 | fli->name = v->line.file; | |
bd117bb6 | 3370 | gcc_assert(fli->name); |
e2500fed GK |
3371 | flp = fli; |
3372 | ||
e03856fe | 3373 | oprintf (f, "\n/* GC roots. */\n\n"); |
e2500fed GK |
3374 | } |
3375 | ||
3376 | if (! deletable_p | |
3377 | && length | |
3378 | && v->type->kind == TYPE_POINTER | |
3379 | && (v->type->u.p->kind == TYPE_POINTER | |
3380 | || v->type->u.p->kind == TYPE_STRUCT)) | |
3381 | { | |
17211ab5 GK |
3382 | write_array (f, v, &ggc_wtd); |
3383 | write_array (f, v, &pch_wtd); | |
e2500fed GK |
3384 | } |
3385 | } | |
3386 | ||
3387 | for (v = variables; v; v = v->next) | |
3388 | { | |
e03856fe | 3389 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3390 | struct flist *fli; |
3391 | int skip_p = 0; | |
3392 | int length_p = 0; | |
3393 | options_p o; | |
3d7aafde | 3394 | |
e2500fed GK |
3395 | for (o = v->opt; o; o = o->next) |
3396 | if (strcmp (o->name, "length") == 0) | |
3397 | length_p = 1; | |
3398 | else if (strcmp (o->name, "deletable") == 0 | |
3399 | || strcmp (o->name, "if_marked") == 0) | |
3400 | skip_p = 1; | |
3401 | ||
3402 | if (skip_p) | |
3403 | continue; | |
3404 | ||
3405 | for (fli = flp; fli; fli = fli->next) | |
3406 | if (fli->f == f) | |
3407 | break; | |
3408 | if (! fli->started_p) | |
3409 | { | |
3410 | fli->started_p = 1; | |
3411 | ||
6bc7bc14 | 3412 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_r_"); |
e2500fed | 3413 | put_mangled_filename (f, v->line.file); |
e03856fe | 3414 | oprintf (f, "[] = {\n"); |
e2500fed GK |
3415 | } |
3416 | ||
17211ab5 | 3417 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); |
e2500fed GK |
3418 | } |
3419 | ||
3d7aafde | 3420 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
3421 | "gt_ggc_rtab"); |
3422 | ||
3423 | for (v = variables; v; v = v->next) | |
3424 | { | |
e03856fe | 3425 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3426 | struct flist *fli; |
3427 | int skip_p = 1; | |
3428 | options_p o; | |
3429 | ||
3430 | for (o = v->opt; o; o = o->next) | |
3431 | if (strcmp (o->name, "deletable") == 0) | |
3432 | skip_p = 0; | |
3433 | else if (strcmp (o->name, "if_marked") == 0) | |
3434 | skip_p = 1; | |
3435 | ||
3436 | if (skip_p) | |
3437 | continue; | |
3438 | ||
3439 | for (fli = flp; fli; fli = fli->next) | |
3440 | if (fli->f == f) | |
3441 | break; | |
3442 | if (! fli->started_p) | |
3443 | { | |
3444 | fli->started_p = 1; | |
3445 | ||
6bc7bc14 | 3446 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_rd_"); |
e2500fed | 3447 | put_mangled_filename (f, v->line.file); |
e03856fe | 3448 | oprintf (f, "[] = {\n"); |
e2500fed | 3449 | } |
3d7aafde | 3450 | |
17211ab5 | 3451 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
e2500fed GK |
3452 | v->name, v->name); |
3453 | } | |
3d7aafde | 3454 | |
17211ab5 | 3455 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
3456 | "gt_ggc_deletable_rtab"); |
3457 | ||
3458 | for (v = variables; v; v = v->next) | |
3459 | { | |
e03856fe | 3460 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3461 | struct flist *fli; |
3462 | const char *if_marked = NULL; | |
3463 | int length_p = 0; | |
3464 | options_p o; | |
3d7aafde | 3465 | |
e2500fed GK |
3466 | for (o = v->opt; o; o = o->next) |
3467 | if (strcmp (o->name, "length") == 0) | |
3468 | length_p = 1; | |
3469 | else if (strcmp (o->name, "if_marked") == 0) | |
9e2878cf | 3470 | if_marked = o->info; |
e2500fed GK |
3471 | |
3472 | if (if_marked == NULL) | |
3473 | continue; | |
3474 | ||
3475 | if (v->type->kind != TYPE_POINTER | |
3476 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
3477 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
3478 | { | |
3479 | error_at_line (&v->line, "if_marked option used but not hash table"); | |
3480 | continue; | |
3481 | } | |
3482 | ||
3483 | for (fli = flp; fli; fli = fli->next) | |
3484 | if (fli->f == f) | |
3485 | break; | |
3486 | if (! fli->started_p) | |
3487 | { | |
3488 | fli->started_p = 1; | |
3489 | ||
6bc7bc14 | 3490 | oprintf (f, "EXPORTED_CONST struct ggc_cache_tab gt_ggc_rc_"); |
e2500fed | 3491 | put_mangled_filename (f, v->line.file); |
e03856fe | 3492 | oprintf (f, "[] = {\n"); |
e2500fed | 3493 | } |
3d7aafde | 3494 | |
17211ab5 | 3495 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
e2500fed GK |
3496 | v->name, length_p, &v->line, if_marked); |
3497 | } | |
3d7aafde | 3498 | |
17211ab5 | 3499 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
e2500fed | 3500 | "gt_ggc_cache_rtab"); |
17211ab5 GK |
3501 | |
3502 | for (v = variables; v; v = v->next) | |
3503 | { | |
3504 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3505 | struct flist *fli; | |
3506 | int length_p = 0; | |
3507 | int if_marked_p = 0; | |
3508 | options_p o; | |
3d7aafde | 3509 | |
17211ab5 GK |
3510 | for (o = v->opt; o; o = o->next) |
3511 | if (strcmp (o->name, "length") == 0) | |
3512 | length_p = 1; | |
3513 | else if (strcmp (o->name, "if_marked") == 0) | |
3514 | if_marked_p = 1; | |
3515 | ||
3516 | if (! if_marked_p) | |
3517 | continue; | |
3518 | ||
3519 | for (fli = flp; fli; fli = fli->next) | |
3520 | if (fli->f == f) | |
3521 | break; | |
3522 | if (! fli->started_p) | |
3523 | { | |
3524 | fli->started_p = 1; | |
3525 | ||
6bc7bc14 | 3526 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rc_"); |
17211ab5 GK |
3527 | put_mangled_filename (f, v->line.file); |
3528 | oprintf (f, "[] = {\n"); | |
3529 | } | |
3530 | ||
3531 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL); | |
3532 | } | |
3d7aafde | 3533 | |
17211ab5 GK |
3534 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3535 | "gt_pch_cache_rtab"); | |
3536 | ||
3537 | for (v = variables; v; v = v->next) | |
3538 | { | |
3539 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3540 | struct flist *fli; | |
3541 | int skip_p = 0; | |
3542 | options_p o; | |
3543 | ||
3544 | for (o = v->opt; o; o = o->next) | |
3545 | if (strcmp (o->name, "deletable") == 0 | |
3546 | || strcmp (o->name, "if_marked") == 0) | |
3547 | skip_p = 1; | |
3548 | ||
3549 | if (skip_p) | |
3550 | continue; | |
3551 | ||
3552 | if (! contains_scalar_p (v->type)) | |
3553 | continue; | |
3554 | ||
3555 | for (fli = flp; fli; fli = fli->next) | |
3556 | if (fli->f == f) | |
3557 | break; | |
3558 | if (! fli->started_p) | |
3559 | { | |
3560 | fli->started_p = 1; | |
3561 | ||
6bc7bc14 | 3562 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rs_"); |
17211ab5 GK |
3563 | put_mangled_filename (f, v->line.file); |
3564 | oprintf (f, "[] = {\n"); | |
3565 | } | |
3d7aafde | 3566 | |
17211ab5 GK |
3567 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
3568 | v->name, v->name); | |
3569 | } | |
3d7aafde | 3570 | |
17211ab5 GK |
3571 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3572 | "gt_pch_scalar_rtab"); | |
e2500fed GK |
3573 | } |
3574 | ||
4a399aef ZW |
3575 | /* Record the definition of a generic VEC structure, as if we had expanded |
3576 | the macros in vec.h: | |
3577 | ||
3578 | typedef struct VEC_<type>_base GTY(()) { | |
3579 | unsigned num; | |
3580 | unsigned alloc; | |
3581 | <type> GTY((length ("%h.num"))) vec[1]; | |
3582 | } VEC_<type>_base | |
3583 | ||
3584 | where the GTY(()) tags are only present if is_scalar is _false_. */ | |
3585 | ||
3586 | void | |
8ad97cfc | 3587 | note_def_vec (const char *type_name, bool is_scalar, struct fileloc *pos) |
4a399aef | 3588 | { |
065ae611 | 3589 | pair_p fields; |
4a399aef ZW |
3590 | type_p t; |
3591 | options_p o; | |
065ae611 | 3592 | type_p len_ty = create_scalar_type ("unsigned"); |
8ad97cfc | 3593 | const char *name = concat ("VEC_", type_name, "_base", (char *)0); |
4a399aef ZW |
3594 | |
3595 | if (is_scalar) | |
3596 | { | |
8ad97cfc | 3597 | t = create_scalar_type (type_name); |
4a399aef ZW |
3598 | o = 0; |
3599 | } | |
3600 | else | |
3601 | { | |
8ad97cfc | 3602 | t = resolve_typedef (type_name, pos); |
4a399aef ZW |
3603 | o = create_option (0, "length", "%h.num"); |
3604 | } | |
3605 | ||
3606 | /* We assemble the field list in reverse order. */ | |
065ae611 ZW |
3607 | fields = create_field_at (0, create_array (t, "1"), "vec", o, pos); |
3608 | fields = create_field_at (fields, len_ty, "alloc", 0, pos); | |
3609 | fields = create_field_at (fields, len_ty, "num", 0, pos); | |
4a399aef ZW |
3610 | |
3611 | do_typedef (name, new_structure (name, 0, pos, fields, 0), pos); | |
3612 | } | |
3613 | ||
3614 | /* Record the definition of an allocation-specific VEC structure, as if | |
3615 | we had expanded the macros in vec.h: | |
3616 | ||
3617 | typedef struct VEC_<type>_<astrat> { | |
3618 | VEC_<type>_base base; | |
3619 | } VEC_<type>_<astrat>; | |
3620 | */ | |
3621 | void | |
3622 | note_def_vec_alloc (const char *type, const char *astrat, struct fileloc *pos) | |
3623 | { | |
3624 | const char *astratname = concat ("VEC_", type, "_", astrat, (char *)0); | |
3625 | const char *basename = concat ("VEC_", type, "_base", (char *)0); | |
3626 | ||
065ae611 ZW |
3627 | pair_p field = create_field_at (0, resolve_typedef (basename, pos), |
3628 | "base", 0, pos); | |
4a399aef ZW |
3629 | |
3630 | do_typedef (astratname, new_structure (astratname, 0, pos, field, 0), pos); | |
3631 | } | |
3632 | ||
e2500fed | 3633 | \f |
3d7aafde | 3634 | int |
11a67599 | 3635 | main (int argc, char **argv) |
e2500fed | 3636 | { |
11a67599 | 3637 | size_t i; |
01d419ae | 3638 | static struct fileloc pos = { this_file, 0 }; |
bd117bb6 | 3639 | char* inputlist = 0; |
11a67599 ZW |
3640 | /* fatal uses this */ |
3641 | progname = "gengtype"; | |
3642 | ||
bd117bb6 BS |
3643 | if (argc >= 5 && !strcmp (argv[1], "-p")) |
3644 | { | |
3645 | srcdir = argv[2]; | |
3646 | inputlist = argv[3]; | |
3647 | plugin_files = argv+4; | |
3648 | nb_plugin_files = argc-4; | |
3649 | } | |
3650 | else if (argc == 3) | |
3651 | { | |
3652 | srcdir = argv[1]; | |
3653 | inputlist = argv[2]; | |
3654 | } | |
3655 | else | |
3656 | fatal ("usage: gengtype [-p] srcdir input-list [file1 file2 ... fileN]"); | |
11a67599 | 3657 | |
8ac9d31f | 3658 | srcdir_len = strlen (srcdir); |
e2500fed | 3659 | |
bd117bb6 | 3660 | read_input_list (inputlist); |
11a67599 ZW |
3661 | if (hit_error) |
3662 | return 1; | |
3663 | ||
95161faf ZW |
3664 | scalar_char.u.scalar_is_char = true; |
3665 | scalar_nonchar.u.scalar_is_char = false; | |
95161faf ZW |
3666 | gen_rtx_next (); |
3667 | ||
01d419ae ZW |
3668 | /* These types are set up with #define or else outside of where |
3669 | we can see them. */ | |
3670 | pos.line = __LINE__ + 1; | |
3671 | do_scalar_typedef ("CUMULATIVE_ARGS", &pos); pos.line++; | |
3672 | do_scalar_typedef ("REAL_VALUE_TYPE", &pos); pos.line++; | |
1e1ba002 | 3673 | do_scalar_typedef ("FIXED_VALUE_TYPE", &pos); pos.line++; |
01d419ae | 3674 | do_scalar_typedef ("double_int", &pos); pos.line++; |
c6a21142 | 3675 | do_scalar_typedef ("uint64_t", &pos); pos.line++; |
01d419ae ZW |
3676 | do_scalar_typedef ("uint8", &pos); pos.line++; |
3677 | do_scalar_typedef ("jword", &pos); pos.line++; | |
3678 | do_scalar_typedef ("JCF_u2", &pos); pos.line++; | |
3679 | do_scalar_typedef ("void", &pos); pos.line++; | |
a813c111 | 3680 | do_typedef ("PTR", create_pointer (resolve_typedef ("void", &pos)), &pos); |
ed8d2920 | 3681 | |
11a67599 | 3682 | for (i = 0; i < num_gt_files; i++) |
01d419ae | 3683 | parse_file (gt_files[i]); |
e2500fed | 3684 | |
01d419ae | 3685 | if (hit_error) |
065ae611 | 3686 | return 1; |
e2500fed GK |
3687 | |
3688 | set_gc_used (variables); | |
3689 | ||
3690 | open_base_files (); | |
36a5eadd | 3691 | write_enum_defn (structures, param_structs); |
17211ab5 GK |
3692 | write_types (structures, param_structs, &ggc_wtd); |
3693 | write_types (structures, param_structs, &pch_wtd); | |
3694 | write_local (structures, param_structs); | |
3695 | write_roots (variables); | |
36a5eadd | 3696 | write_rtx_next (); |
e2500fed GK |
3697 | close_output_files (); |
3698 | ||
01d419ae ZW |
3699 | if (hit_error) |
3700 | return 1; | |
3701 | return 0; | |
e2500fed | 3702 | } |