]>
Commit | Line | Data |
---|---|---|
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 | 143 | /* The plugin input files and their number; in that case only |
c802b1cf | 144 | a single file is produced. */ |
bd117bb6 | 145 | static char** plugin_files; |
9f78bf05 | 146 | static size_t nb_plugin_files; |
9b39cba9 BS |
147 | /* the generated plugin output name & file */ |
148 | static outf_p plugin_output; | |
bd117bb6 | 149 | |
065ae611 ZW |
150 | /* The output header file that is included into pretty much every |
151 | source file. */ | |
152 | static outf_p header_file; | |
153 | ||
11a67599 ZW |
154 | /* Source directory. */ |
155 | static const char *srcdir; | |
065ae611 ZW |
156 | |
157 | /* Length of srcdir name. */ | |
8de8de02 | 158 | static size_t srcdir_len = 0; |
065ae611 | 159 | |
065ae611 | 160 | static outf_p create_file (const char *, const char *); |
8de8de02 | 161 | |
065ae611 | 162 | static const char * get_file_basename (const char *); |
8de8de02 OH |
163 | static const char * get_file_realbasename (const char *); |
164 | static const char * get_file_srcdir_relative_path (const char *); | |
165 | ||
166 | static int get_prefix_langdir_index (const char *); | |
167 | static const char * get_file_langdir (const char *); | |
065ae611 ZW |
168 | |
169 | \f | |
9f313342 | 170 | /* Nonzero iff an error has occurred. */ |
01d419ae | 171 | bool hit_error = false; |
9f313342 | 172 | |
3d7aafde AJ |
173 | static void gen_rtx_next (void); |
174 | static void write_rtx_next (void); | |
175 | static void open_base_files (void); | |
176 | static void close_output_files (void); | |
ef171ead | 177 | |
9f313342 GK |
178 | /* Report an error at POS, printing MSG. */ |
179 | ||
e2500fed | 180 | void |
e34d07f2 | 181 | error_at_line (struct fileloc *pos, const char *msg, ...) |
e2500fed | 182 | { |
e34d07f2 | 183 | va_list ap; |
3d7aafde | 184 | |
e34d07f2 | 185 | va_start (ap, msg); |
e2500fed GK |
186 | |
187 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
188 | vfprintf (stderr, msg, ap); | |
189 | fputc ('\n', stderr); | |
01d419ae | 190 | hit_error = true; |
e2500fed | 191 | |
e34d07f2 | 192 | va_end (ap); |
e2500fed GK |
193 | } |
194 | ||
065ae611 | 195 | /* asprintf, but produces fatal message on out-of-memory. */ |
01d419ae | 196 | char * |
e34d07f2 | 197 | xasprintf (const char *format, ...) |
e03856fe | 198 | { |
065ae611 | 199 | int n; |
e03856fe | 200 | char *result; |
e34d07f2 | 201 | va_list ap; |
3d7aafde | 202 | |
e34d07f2 | 203 | va_start (ap, format); |
065ae611 ZW |
204 | n = vasprintf (&result, format, ap); |
205 | if (result == NULL || n < 0) | |
206 | fatal ("out of memory"); | |
e34d07f2 | 207 | va_end (ap); |
065ae611 | 208 | |
e03856fe GK |
209 | return result; |
210 | } | |
11a67599 ZW |
211 | \f |
212 | /* Input file handling. */ | |
213 | ||
214 | /* Table of all input files. */ | |
215 | static const char **gt_files; | |
216 | static size_t num_gt_files; | |
217 | ||
01d419ae ZW |
218 | /* A number of places use the name of this file for a location for |
219 | things that we can't rely on the source to define. Make sure we | |
220 | can still use pointer comparison on filenames. */ | |
221 | static const char this_file[] = __FILE__; | |
222 | ||
11a67599 ZW |
223 | /* Vector of per-language directories. */ |
224 | static const char **lang_dir_names; | |
225 | static size_t num_lang_dirs; | |
226 | ||
227 | /* An array of output files suitable for definitions. There is one | |
228 | BASE_FILES entry for each language. */ | |
229 | static outf_p *base_files; | |
230 | ||
231 | /* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff | |
232 | INPUT_FILE is used by <lang>. | |
233 | ||
234 | This function should be written to assume that a file _is_ used | |
235 | if the situation is unclear. If it wrongly assumes a file _is_ used, | |
236 | a linker error will result. If it wrongly assumes a file _is not_ used, | |
237 | some GC roots may be missed, which is a much harder-to-debug problem. | |
238 | ||
239 | The relevant bitmap is stored immediately before the file's name in the | |
240 | buffer set up by read_input_list. It may be unaligned, so we have to | |
241 | read it byte-by-byte. */ | |
e03856fe | 242 | |
11a67599 ZW |
243 | static lang_bitmap |
244 | get_lang_bitmap (const char *gtfile) | |
245 | { | |
01d419ae ZW |
246 | |
247 | if (gtfile == this_file) | |
248 | /* Things defined in this file are universal. */ | |
249 | return (((lang_bitmap)1) << num_lang_dirs) - 1; | |
250 | else | |
251 | { | |
252 | lang_bitmap n = 0; | |
253 | int i; | |
254 | for (i = -(int) sizeof (lang_bitmap); i < 0; i++) | |
255 | n = (n << CHAR_BIT) + (unsigned char)gtfile[i]; | |
256 | return n; | |
257 | } | |
11a67599 ZW |
258 | } |
259 | ||
260 | /* Set the bitmap returned by get_lang_bitmap. The only legitimate | |
261 | caller of this function is read_input_list. */ | |
262 | static void | |
263 | set_lang_bitmap (char *gtfile, lang_bitmap n) | |
264 | { | |
265 | int i; | |
266 | for (i = -1; i >= -(int) sizeof (lang_bitmap); i--) | |
267 | { | |
268 | gtfile[i] = n & ((1U << CHAR_BIT)-1); | |
269 | n >>= CHAR_BIT; | |
270 | } | |
271 | } | |
272 | ||
273 | /* Scan the input file, LIST, and determine how much space we need to | |
274 | store strings in. Also, count the number of language directories | |
275 | and files. The numbers returned are overestimates as they does not | |
276 | consider repeated files. */ | |
277 | static size_t | |
278 | measure_input_list (FILE *list) | |
279 | { | |
280 | size_t n = 0; | |
281 | int c; | |
282 | bool atbol = true; | |
283 | num_lang_dirs = 0; | |
bd117bb6 | 284 | num_gt_files = plugin_files ? nb_plugin_files : 0; |
11a67599 ZW |
285 | while ((c = getc (list)) != EOF) |
286 | { | |
287 | n++; | |
288 | if (atbol) | |
289 | { | |
290 | if (c == '[') | |
291 | num_lang_dirs++; | |
292 | else | |
293 | { | |
294 | /* Add space for a lang_bitmap before the input file name. */ | |
295 | n += sizeof (lang_bitmap); | |
296 | num_gt_files++; | |
297 | } | |
298 | atbol = false; | |
299 | } | |
300 | ||
301 | if (c == '\n') | |
302 | atbol = true; | |
303 | } | |
304 | ||
305 | rewind (list); | |
306 | return n; | |
307 | } | |
308 | ||
309 | /* Read one input line from LIST to HEREP (which is updated). A | |
310 | pointer to the string is returned via LINEP. If it was a language | |
311 | subdirectory in square brackets, strip off the square brackets and | |
312 | return true. Otherwise, leave space before the string for a | |
313 | lang_bitmap, and return false. At EOF, returns false, does not | |
314 | touch *HEREP, and sets *LINEP to NULL. POS is used for | |
315 | diagnostics. */ | |
316 | static bool | |
317 | read_input_line (FILE *list, char **herep, char **linep, | |
318 | struct fileloc *pos) | |
319 | { | |
320 | char *here = *herep; | |
321 | char *line; | |
322 | int c = getc (list); | |
323 | ||
1b77ee03 MM |
324 | /* Read over whitespace. */ |
325 | while (c == '\n' || c == ' ') | |
326 | c = getc (list); | |
327 | ||
11a67599 ZW |
328 | if (c == EOF) |
329 | { | |
330 | *linep = 0; | |
331 | return false; | |
332 | } | |
333 | else if (c == '[') | |
334 | { | |
335 | /* No space for a lang_bitmap is necessary. Discard the '['. */ | |
336 | c = getc (list); | |
337 | line = here; | |
338 | while (c != ']' && c != '\n' && c != EOF) | |
339 | { | |
340 | *here++ = c; | |
341 | c = getc (list); | |
342 | } | |
343 | *here++ = '\0'; | |
344 | ||
345 | if (c == ']') | |
346 | { | |
347 | c = getc (list); /* eat what should be a newline */ | |
348 | if (c != '\n' && c != EOF) | |
349 | error_at_line (pos, "junk on line after language tag [%s]", line); | |
350 | } | |
351 | else | |
352 | error_at_line (pos, "missing close bracket for language tag [%s", line); | |
353 | ||
354 | *herep = here; | |
355 | *linep = line; | |
356 | return true; | |
357 | } | |
358 | else | |
359 | { | |
360 | /* Leave space for a lang_bitmap. */ | |
361 | memset (here, 0, sizeof (lang_bitmap)); | |
362 | here += sizeof (lang_bitmap); | |
363 | line = here; | |
364 | do | |
365 | { | |
366 | *here++ = c; | |
367 | c = getc (list); | |
368 | } | |
369 | while (c != EOF && c != '\n'); | |
370 | *here++ = '\0'; | |
371 | *herep = here; | |
372 | *linep = line; | |
373 | return false; | |
374 | } | |
375 | } | |
376 | ||
377 | /* Read the list of input files from LIST and compute all of the | |
378 | relevant tables. There is one file per line of the list. At | |
379 | first, all the files on the list are language-generic, but | |
380 | eventually a line will appear which is the name of a language | |
381 | subdirectory in square brackets, like this: [cp]. All subsequent | |
382 | files are specific to that language, until another language | |
383 | subdirectory tag appears. Files can appear more than once, if | |
384 | they apply to more than one language. */ | |
385 | static void | |
386 | read_input_list (const char *listname) | |
387 | { | |
388 | FILE *list = fopen (listname, "r"); | |
389 | if (!list) | |
390 | fatal ("cannot open %s: %s", listname, strerror (errno)); | |
391 | else | |
392 | { | |
393 | struct fileloc epos; | |
394 | size_t bufsz = measure_input_list (list); | |
395 | char *buf = XNEWVEC (char, bufsz); | |
396 | char *here = buf; | |
397 | char *committed = buf; | |
398 | char *limit = buf + bufsz; | |
399 | char *line; | |
400 | bool is_language; | |
401 | size_t langno = 0; | |
402 | size_t nfiles = 0; | |
403 | lang_bitmap curlangs = (1 << num_lang_dirs) - 1; | |
404 | ||
405 | epos.file = listname; | |
406 | epos.line = 0; | |
407 | ||
408 | lang_dir_names = XNEWVEC (const char *, num_lang_dirs); | |
409 | gt_files = XNEWVEC (const char *, num_gt_files); | |
410 | ||
411 | for (;;) | |
412 | { | |
413 | next_line: | |
414 | epos.line++; | |
415 | committed = here; | |
416 | is_language = read_input_line (list, &here, &line, &epos); | |
417 | gcc_assert (here <= limit); | |
418 | if (line == 0) | |
419 | break; | |
420 | else if (is_language) | |
421 | { | |
422 | size_t i; | |
423 | gcc_assert (langno <= num_lang_dirs); | |
424 | for (i = 0; i < langno; i++) | |
425 | if (strcmp (lang_dir_names[i], line) == 0) | |
426 | { | |
427 | error_at_line (&epos, "duplicate language tag [%s]", line); | |
428 | curlangs = 1 << i; | |
429 | here = committed; | |
430 | goto next_line; | |
431 | } | |
432 | ||
433 | curlangs = 1 << langno; | |
434 | lang_dir_names[langno++] = line; | |
435 | } | |
436 | else | |
437 | { | |
438 | size_t i; | |
439 | gcc_assert (nfiles <= num_gt_files); | |
440 | for (i = 0; i < nfiles; i++) | |
441 | if (strcmp (gt_files[i], line) == 0) | |
442 | { | |
443 | /* Throw away the string we just read, and add the | |
444 | current language to the existing string's bitmap. */ | |
445 | lang_bitmap bmap = get_lang_bitmap (gt_files[i]); | |
446 | if (bmap & curlangs) | |
447 | error_at_line (&epos, "file %s specified more than once " | |
448 | "for language %s", line, langno == 0 | |
449 | ? "(all)" | |
450 | : lang_dir_names[langno - 1]); | |
451 | ||
452 | bmap |= curlangs; | |
7cbb2a85 | 453 | set_lang_bitmap (CONST_CAST(char *, gt_files[i]), bmap); |
11a67599 ZW |
454 | here = committed; |
455 | goto next_line; | |
456 | } | |
457 | ||
458 | set_lang_bitmap (line, curlangs); | |
459 | gt_files[nfiles++] = line; | |
460 | } | |
461 | } | |
462 | /* Update the global counts now that we know accurately how many | |
463 | things there are. (We do not bother resizing the arrays down.) */ | |
464 | num_lang_dirs = langno; | |
bd117bb6 | 465 | /* Add the plugin files if provided. */ |
b8698a0f | 466 | if (plugin_files) |
bd117bb6 | 467 | { |
9f78bf05 | 468 | size_t i; |
bd117bb6 BS |
469 | for (i = 0; i < nb_plugin_files; i++) |
470 | gt_files[nfiles++] = plugin_files[i]; | |
471 | } | |
11a67599 ZW |
472 | num_gt_files = nfiles; |
473 | } | |
474 | ||
475 | /* Sanity check: any file that resides in a language subdirectory | |
476 | (e.g. 'cp') ought to belong to the corresponding language. | |
477 | ??? Still true if for instance ObjC++ is enabled and C++ isn't? | |
478 | (Can you even do that? Should you be allowed to?) */ | |
479 | { | |
480 | size_t f; | |
481 | for (f = 0; f < num_gt_files; f++) | |
482 | { | |
483 | lang_bitmap bitmap = get_lang_bitmap (gt_files[f]); | |
484 | const char *basename = get_file_basename (gt_files[f]); | |
485 | const char *slashpos = strchr (basename, '/'); | |
486 | ||
487 | if (slashpos) | |
488 | { | |
489 | size_t l; | |
490 | for (l = 0; l < num_lang_dirs; l++) | |
491 | if ((size_t)(slashpos - basename) == strlen (lang_dir_names [l]) | |
492 | && memcmp (basename, lang_dir_names[l], | |
493 | strlen (lang_dir_names[l])) == 0) | |
494 | { | |
495 | if (!(bitmap & (1 << l))) | |
496 | error ("%s is in language directory '%s' but is not " | |
497 | "tagged for that language", | |
498 | basename, lang_dir_names[l]); | |
499 | break; | |
500 | } | |
501 | } | |
502 | } | |
503 | } | |
504 | ||
505 | if (ferror (list)) | |
506 | fatal ("error reading %s: %s", listname, strerror (errno)); | |
507 | ||
508 | fclose (list); | |
509 | } | |
510 | ||
511 | ||
512 | \f | |
9f313342 GK |
513 | /* The one and only TYPE_STRING. */ |
514 | ||
95161faf ZW |
515 | static struct type string_type = { |
516 | TYPE_STRING, 0, 0, GC_USED, {0} | |
517 | }; | |
518 | ||
519 | /* The two and only TYPE_SCALARs. Their u.scalar_is_char flags are | |
520 | set to appropriate values at the beginning of main. */ | |
521 | ||
522 | static struct type scalar_nonchar = { | |
523 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
524 | }; | |
525 | static struct type scalar_char = { | |
526 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
3d7aafde | 527 | }; |
e2500fed | 528 | |
9f313342 GK |
529 | /* Lists of various things. */ |
530 | ||
e2500fed GK |
531 | static pair_p typedefs; |
532 | static type_p structures; | |
533 | static type_p param_structs; | |
534 | static pair_p variables; | |
535 | ||
3d7aafde AJ |
536 | static type_p find_param_structure |
537 | (type_p t, type_p param[NUM_PARAM]); | |
538 | static type_p adjust_field_tree_exp (type_p t, options_p opt); | |
539 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
36a5eadd | 540 | |
9f313342 GK |
541 | /* Define S as a typedef to T at POS. */ |
542 | ||
e2500fed | 543 | void |
3d7aafde | 544 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
e2500fed GK |
545 | { |
546 | pair_p p; | |
547 | ||
2d593c86 TT |
548 | /* temporary kludge - gengtype doesn't handle conditionals or |
549 | macros. Ignore any attempt to typedef CUMULATIVE_ARGS, unless it | |
550 | is coming from this file (main() sets them up with safe dummy | |
551 | definitions). */ | |
552 | if (!strcmp (s, "CUMULATIVE_ARGS") && pos->file != this_file) | |
01d419ae ZW |
553 | return; |
554 | ||
e2500fed GK |
555 | for (p = typedefs; p != NULL; p = p->next) |
556 | if (strcmp (p->name, s) == 0) | |
557 | { | |
558 | if (p->type != t) | |
559 | { | |
560 | error_at_line (pos, "type `%s' previously defined", s); | |
561 | error_at_line (&p->line, "previously defined here"); | |
562 | } | |
563 | return; | |
564 | } | |
565 | ||
5d038c4c | 566 | p = XNEW (struct pair); |
e2500fed GK |
567 | p->next = typedefs; |
568 | p->name = s; | |
569 | p->type = t; | |
570 | p->line = *pos; | |
571 | typedefs = p; | |
572 | } | |
573 | ||
95161faf ZW |
574 | /* Define S as a typename of a scalar. Cannot be used to define |
575 | typedefs of 'char'. Note: is also used for pointer-to-function | |
576 | typedefs (which are therefore not treated as pointers). */ | |
36a5eadd | 577 | |
95161faf | 578 | void |
3d7aafde | 579 | do_scalar_typedef (const char *s, struct fileloc *pos) |
36a5eadd | 580 | { |
95161faf | 581 | do_typedef (s, &scalar_nonchar, pos); |
36a5eadd GK |
582 | } |
583 | ||
e34bb004 | 584 | /* Return the type previously defined for S. Use POS to report errors. */ |
9f313342 | 585 | |
e2500fed | 586 | type_p |
3d7aafde | 587 | resolve_typedef (const char *s, struct fileloc *pos) |
e2500fed GK |
588 | { |
589 | pair_p p; | |
590 | for (p = typedefs; p != NULL; p = p->next) | |
591 | if (strcmp (p->name, s) == 0) | |
592 | return p->type; | |
593 | error_at_line (pos, "unidentified type `%s'", s); | |
95161faf | 594 | return &scalar_nonchar; /* treat as "int" */ |
e2500fed GK |
595 | } |
596 | ||
0f01f026 RS |
597 | /* Create and return a new structure with tag NAME (or a union iff |
598 | ISUNION is nonzero), at POS with fields FIELDS and options O. */ | |
9f313342 | 599 | |
0f01f026 | 600 | type_p |
3d7aafde AJ |
601 | new_structure (const char *name, int isunion, struct fileloc *pos, |
602 | pair_p fields, options_p o) | |
e2500fed GK |
603 | { |
604 | type_p si; | |
605 | type_p s = NULL; | |
11a67599 | 606 | lang_bitmap bitmap = get_lang_bitmap (pos->file); |
e2500fed | 607 | |
01d419ae ZW |
608 | /* temporary kludge - gengtype doesn't handle conditionals or |
609 | macros. Ignore any attempt to define struct location_s, unless | |
610 | it is coming from this file (main() sets it up safely). */ | |
611 | if (!strcmp (name, "location_s") && !isunion | |
612 | && pos->file != this_file) | |
613 | return find_structure (name, 0); | |
614 | ||
e2500fed | 615 | for (si = structures; si != NULL; si = si->next) |
3d7aafde | 616 | if (strcmp (name, si->u.s.tag) == 0 |
e2500fed GK |
617 | && UNION_P (si) == isunion) |
618 | { | |
619 | type_p ls = NULL; | |
620 | if (si->kind == TYPE_LANG_STRUCT) | |
621 | { | |
622 | ls = si; | |
3d7aafde | 623 | |
e2500fed GK |
624 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
625 | if (si->u.s.bitmap == bitmap) | |
626 | s = si; | |
627 | } | |
628 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
629 | { | |
630 | ls = si; | |
5d038c4c | 631 | si = XCNEW (struct type); |
e2500fed GK |
632 | memcpy (si, ls, sizeof (struct type)); |
633 | ls->kind = TYPE_LANG_STRUCT; | |
634 | ls->u.s.lang_struct = si; | |
635 | ls->u.s.fields = NULL; | |
636 | si->next = NULL; | |
637 | si->pointer_to = NULL; | |
638 | si->u.s.lang_struct = ls; | |
639 | } | |
640 | else | |
641 | s = si; | |
642 | ||
643 | if (ls != NULL && s == NULL) | |
644 | { | |
5d038c4c | 645 | s = XCNEW (struct type); |
e2500fed GK |
646 | s->next = ls->u.s.lang_struct; |
647 | ls->u.s.lang_struct = s; | |
648 | s->u.s.lang_struct = ls; | |
649 | } | |
650 | break; | |
651 | } | |
3d7aafde | 652 | |
e2500fed GK |
653 | if (s == NULL) |
654 | { | |
5d038c4c | 655 | s = XCNEW (struct type); |
e2500fed GK |
656 | s->next = structures; |
657 | structures = s; | |
658 | } | |
659 | ||
660 | if (s->u.s.line.file != NULL | |
661 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
662 | { | |
01d419ae ZW |
663 | error_at_line (pos, "duplicate definition of '%s %s'", |
664 | isunion ? "union" : "struct", s->u.s.tag); | |
e2500fed GK |
665 | error_at_line (&s->u.s.line, "previous definition here"); |
666 | } | |
667 | ||
668 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
669 | s->u.s.tag = name; | |
670 | s->u.s.line = *pos; | |
671 | s->u.s.fields = fields; | |
672 | s->u.s.opt = o; | |
673 | s->u.s.bitmap = bitmap; | |
674 | if (s->u.s.lang_struct) | |
675 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
0f01f026 | 676 | |
01d419ae ZW |
677 | /* Reset location_s's location to input.h so that we know where to |
678 | write out its mark routine. */ | |
679 | if (!strcmp (name, "location_s") && !isunion | |
680 | && pos->file == this_file) | |
681 | { | |
682 | size_t n; | |
683 | for (n = 0; n < num_gt_files; n++) | |
684 | if (!strcmp (gt_files[n] + strlen (gt_files[n]) - strlen ("input.h"), | |
685 | "input.h")) | |
686 | { | |
687 | s->u.s.line.file = gt_files[n]; | |
688 | break; | |
689 | } | |
690 | } | |
691 | ||
692 | return s; | |
e2500fed GK |
693 | } |
694 | ||
9f313342 GK |
695 | /* Return the previously-defined structure with tag NAME (or a union |
696 | iff ISUNION is nonzero), or a new empty structure or union if none | |
697 | was defined previously. */ | |
698 | ||
e2500fed | 699 | type_p |
3d7aafde | 700 | find_structure (const char *name, int isunion) |
e2500fed GK |
701 | { |
702 | type_p s; | |
703 | ||
704 | for (s = structures; s != NULL; s = s->next) | |
3d7aafde | 705 | if (strcmp (name, s->u.s.tag) == 0 |
e2500fed GK |
706 | && UNION_P (s) == isunion) |
707 | return s; | |
708 | ||
5d038c4c | 709 | s = XCNEW (struct type); |
e2500fed GK |
710 | s->next = structures; |
711 | structures = s; | |
712 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
713 | s->u.s.tag = name; | |
714 | structures = s; | |
715 | return s; | |
716 | } | |
717 | ||
272d0bee KH |
718 | /* Return the previously-defined parameterized structure for structure |
719 | T and parameters PARAM, or a new parameterized empty structure or | |
991b6592 | 720 | union if none was defined previously. */ |
36a5eadd GK |
721 | |
722 | static type_p | |
3d7aafde | 723 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
36a5eadd GK |
724 | { |
725 | type_p res; | |
3d7aafde | 726 | |
36a5eadd GK |
727 | for (res = param_structs; res; res = res->next) |
728 | if (res->u.param_struct.stru == t | |
3d7aafde | 729 | && memcmp (res->u.param_struct.param, param, |
36a5eadd GK |
730 | sizeof (type_p) * NUM_PARAM) == 0) |
731 | break; | |
732 | if (res == NULL) | |
733 | { | |
5d038c4c | 734 | res = XCNEW (struct type); |
36a5eadd GK |
735 | res->kind = TYPE_PARAM_STRUCT; |
736 | res->next = param_structs; | |
737 | param_structs = res; | |
738 | res->u.param_struct.stru = t; | |
739 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
740 | } | |
741 | return res; | |
742 | } | |
743 | ||
9f313342 GK |
744 | /* Return a scalar type with name NAME. */ |
745 | ||
e2500fed | 746 | type_p |
95161faf | 747 | create_scalar_type (const char *name) |
e2500fed | 748 | { |
95161faf ZW |
749 | if (!strcmp (name, "char") || !strcmp (name, "unsigned char")) |
750 | return &scalar_char; | |
751 | else | |
752 | return &scalar_nonchar; | |
e2500fed GK |
753 | } |
754 | ||
9f313342 GK |
755 | /* Return a pointer to T. */ |
756 | ||
e2500fed | 757 | type_p |
3d7aafde | 758 | create_pointer (type_p t) |
e2500fed GK |
759 | { |
760 | if (! t->pointer_to) | |
761 | { | |
5d038c4c | 762 | type_p r = XCNEW (struct type); |
e2500fed GK |
763 | r->kind = TYPE_POINTER; |
764 | r->u.p = t; | |
765 | t->pointer_to = r; | |
766 | } | |
767 | return t->pointer_to; | |
768 | } | |
769 | ||
9f313342 GK |
770 | /* Return an array of length LEN. */ |
771 | ||
e2500fed | 772 | type_p |
3d7aafde | 773 | create_array (type_p t, const char *len) |
e2500fed GK |
774 | { |
775 | type_p v; | |
3d7aafde | 776 | |
5d038c4c | 777 | v = XCNEW (struct type); |
e2500fed GK |
778 | v->kind = TYPE_ARRAY; |
779 | v->u.a.p = t; | |
780 | v->u.a.len = len; | |
781 | return v; | |
782 | } | |
783 | ||
0f01f026 RS |
784 | /* Return an options structure with name NAME and info INFO. NEXT is the |
785 | next option in the chain. */ | |
786 | ||
1431042e | 787 | options_p |
0f01f026 | 788 | create_option (options_p next, const char *name, const void *info) |
1431042e | 789 | { |
5d038c4c | 790 | options_p o = XNEW (struct options); |
0f01f026 | 791 | o->next = next; |
1431042e | 792 | o->name = name; |
9e2878cf | 793 | o->info = (const char*) info; |
1431042e ZW |
794 | return o; |
795 | } | |
796 | ||
17defa6a ZW |
797 | /* Return an options structure for a "nested_ptr" option. */ |
798 | options_p | |
065ae611 ZW |
799 | create_nested_ptr_option (options_p next, type_p t, |
800 | const char *to, const char *from) | |
17defa6a ZW |
801 | { |
802 | struct nested_ptr_data *d = XNEW (struct nested_ptr_data); | |
803 | ||
804 | d->type = adjust_field_type (t, 0); | |
805 | d->convert_to = to; | |
806 | d->convert_from = from; | |
065ae611 | 807 | return create_option (next, "nested_ptr", d); |
17defa6a ZW |
808 | } |
809 | ||
36a5eadd GK |
810 | /* Add a variable named S of type T with options O defined at POS, |
811 | to `variables'. */ | |
812 | ||
813 | void | |
3d7aafde | 814 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
36a5eadd GK |
815 | { |
816 | pair_p n; | |
5d038c4c | 817 | n = XNEW (struct pair); |
36a5eadd GK |
818 | n->name = s; |
819 | n->type = t; | |
820 | n->line = *pos; | |
821 | n->opt = o; | |
822 | n->next = variables; | |
823 | variables = n; | |
824 | } | |
825 | ||
065ae611 | 826 | /* Most-general structure field creator. */ |
0f01f026 | 827 | static pair_p |
065ae611 ZW |
828 | create_field_all (pair_p next, type_p type, const char *name, options_p opt, |
829 | const char *file, int line) | |
0f01f026 RS |
830 | { |
831 | pair_p field; | |
832 | ||
833 | field = XNEW (struct pair); | |
834 | field->next = next; | |
835 | field->type = type; | |
836 | field->name = name; | |
065ae611 ZW |
837 | field->opt = opt; |
838 | field->line.file = file; | |
839 | field->line.line = line; | |
0f01f026 RS |
840 | return field; |
841 | } | |
842 | ||
065ae611 ZW |
843 | /* Create a field that came from the source code we are scanning, |
844 | i.e. we have a 'struct fileloc', and possibly options; also, | |
845 | adjust_field_type should be called. */ | |
846 | pair_p | |
847 | create_field_at (pair_p next, type_p type, const char *name, options_p opt, | |
848 | struct fileloc *pos) | |
849 | { | |
850 | return create_field_all (next, adjust_field_type (type, opt), | |
851 | name, opt, pos->file, pos->line); | |
852 | } | |
853 | ||
854 | /* Create a fake field with the given type and name. NEXT is the next | |
855 | field in the chain. */ | |
856 | #define create_field(next,type,name) \ | |
01d419ae | 857 | create_field_all(next,type,name, 0, this_file, __LINE__) |
065ae611 | 858 | |
aacd3885 RS |
859 | /* Like create_field, but the field is only valid when condition COND |
860 | is true. */ | |
861 | ||
862 | static pair_p | |
065ae611 ZW |
863 | create_optional_field_ (pair_p next, type_p type, const char *name, |
864 | const char *cond, int line) | |
aacd3885 RS |
865 | { |
866 | static int id = 1; | |
065ae611 | 867 | pair_p union_fields; |
aacd3885 RS |
868 | type_p union_type; |
869 | ||
870 | /* Create a fake union type with a single nameless field of type TYPE. | |
871 | The field has a tag of "1". This allows us to make the presence | |
872 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
873 | union_fields = create_field (NULL, type, ""); | |
874 | union_fields->opt = create_option (union_fields->opt, "dot", ""); | |
875 | union_fields->opt = create_option (union_fields->opt, "tag", "1"); | |
876 | union_type = new_structure (xasprintf ("%s_%d", "fake_union", id++), 1, | |
877 | &lexer_line, union_fields, NULL); | |
878 | ||
879 | /* Create the field and give it the new fake union type. Add a "desc" | |
880 | tag that specifies the condition under which the field is valid. */ | |
065ae611 ZW |
881 | return create_field_all (next, union_type, name, |
882 | create_option (0, "desc", cond), | |
01d419ae | 883 | this_file, line); |
aacd3885 | 884 | } |
065ae611 ZW |
885 | #define create_optional_field(next,type,name,cond) \ |
886 | create_optional_field_(next,type,name,cond,__LINE__) | |
aacd3885 | 887 | |
01d419ae ZW |
888 | /* Reverse a linked list of 'struct pair's in place. */ |
889 | pair_p | |
890 | nreverse_pairs (pair_p list) | |
891 | { | |
892 | pair_p prev = 0, p, next; | |
893 | for (p = list; p; p = next) | |
894 | { | |
895 | next = p->next; | |
896 | p->next = prev; | |
897 | prev = p; | |
898 | } | |
899 | return prev; | |
900 | } | |
901 | ||
902 | \f | |
9e995780 | 903 | /* We don't care how long a CONST_DOUBLE is. */ |
36a5eadd | 904 | #define CONST_DOUBLE_FORMAT "ww" |
9e995780 ZW |
905 | /* We don't want to see codes that are only for generator files. */ |
906 | #undef GENERATOR_FILE | |
907 | ||
908 | enum rtx_code { | |
909 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , | |
910 | #include "rtl.def" | |
911 | #undef DEF_RTL_EXPR | |
912 | NUM_RTX_CODE | |
913 | }; | |
914 | ||
915 | static const char * const rtx_name[NUM_RTX_CODE] = { | |
916 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , | |
917 | #include "rtl.def" | |
918 | #undef DEF_RTL_EXPR | |
919 | }; | |
920 | ||
921 | static const char * const rtx_format[NUM_RTX_CODE] = { | |
36a5eadd GK |
922 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
923 | #include "rtl.def" | |
924 | #undef DEF_RTL_EXPR | |
925 | }; | |
926 | ||
5ba6918e | 927 | static int rtx_next_new[NUM_RTX_CODE]; |
36a5eadd | 928 | |
9e995780 ZW |
929 | /* We also need codes and names for insn notes (not register notes). |
930 | Note that we do *not* bias the note values here. */ | |
931 | enum insn_note { | |
932 | #define DEF_INSN_NOTE(NAME) NAME, | |
933 | #include "insn-notes.def" | |
934 | #undef DEF_INSN_NOTE | |
935 | ||
936 | NOTE_INSN_MAX | |
937 | }; | |
938 | ||
79e4e6a6 JW |
939 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
940 | default field for line number notes. */ | |
941 | static const char *const note_insn_name[NOTE_INSN_MAX+1] = { | |
9e995780 ZW |
942 | #define DEF_INSN_NOTE(NAME) #NAME, |
943 | #include "insn-notes.def" | |
944 | #undef DEF_INSN_NOTE | |
945 | }; | |
946 | ||
947 | #undef CONST_DOUBLE_FORMAT | |
948 | #define GENERATOR_FILE | |
949 | ||
36a5eadd GK |
950 | /* Generate the contents of the rtx_next array. This really doesn't belong |
951 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
952 | ||
953 | static void | |
3d7aafde | 954 | gen_rtx_next (void) |
36a5eadd GK |
955 | { |
956 | int i; | |
957 | for (i = 0; i < NUM_RTX_CODE; i++) | |
958 | { | |
959 | int k; | |
3d7aafde | 960 | |
5ba6918e | 961 | rtx_next_new[i] = -1; |
36a5eadd | 962 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
5ba6918e | 963 | rtx_next_new[i] = 2; |
36a5eadd | 964 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
5ba6918e | 965 | rtx_next_new[i] = 1; |
3d7aafde | 966 | else |
36a5eadd GK |
967 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
968 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
5ba6918e | 969 | rtx_next_new[i] = k; |
36a5eadd GK |
970 | } |
971 | } | |
972 | ||
973 | /* Write out the contents of the rtx_next array. */ | |
974 | static void | |
3d7aafde | 975 | write_rtx_next (void) |
36a5eadd GK |
976 | { |
977 | outf_p f = get_output_file_with_visibility (NULL); | |
978 | int i; | |
b8698a0f | 979 | if (!f) |
bd117bb6 | 980 | return; |
3d7aafde | 981 | |
36a5eadd | 982 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
6bc7bc14 | 983 | oprintf (f, "EXPORTED_CONST unsigned char rtx_next[NUM_RTX_CODE] = {\n"); |
36a5eadd | 984 | for (i = 0; i < NUM_RTX_CODE; i++) |
5ba6918e | 985 | if (rtx_next_new[i] == -1) |
36a5eadd GK |
986 | oprintf (f, " 0,\n"); |
987 | else | |
3d7aafde | 988 | oprintf (f, |
e1de1560 | 989 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", |
5ba6918e | 990 | rtx_next_new[i]); |
36a5eadd GK |
991 | oprintf (f, "};\n"); |
992 | } | |
993 | ||
994 | /* Handle `special("rtx_def")'. This is a special case for field | |
995 | `fld' of struct rtx_def, which is an array of unions whose values | |
996 | are based in a complex way on the type of RTL. */ | |
997 | ||
998 | static type_p | |
e18476eb | 999 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
36a5eadd GK |
1000 | { |
1001 | pair_p flds = NULL; | |
1002 | options_p nodot; | |
1003 | int i; | |
1004 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
c185c797 | 1005 | type_p bitmap_tp, basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
36a5eadd | 1006 | |
e1de1560 | 1007 | if (t->kind != TYPE_UNION) |
36a5eadd | 1008 | { |
3d7aafde | 1009 | error_at_line (&lexer_line, |
e1de1560 | 1010 | "special `rtx_def' must be applied to a union"); |
36a5eadd GK |
1011 | return &string_type; |
1012 | } | |
3d7aafde | 1013 | |
0f01f026 | 1014 | nodot = create_option (NULL, "dot", ""); |
36a5eadd GK |
1015 | |
1016 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
1017 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
1018 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
1019 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
a560d4d4 | 1020 | reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0)); |
36a5eadd GK |
1021 | bitmap_tp = create_pointer (find_structure ("bitmap_element_def", 0)); |
1022 | basic_block_tp = create_pointer (find_structure ("basic_block_def", 0)); | |
c185c797 | 1023 | constant_tp = create_pointer (find_structure ("constant_descriptor_rtx", 0)); |
95161faf | 1024 | scalar_tp = &scalar_nonchar; /* rtunion int */ |
36a5eadd GK |
1025 | |
1026 | { | |
1027 | pair_p note_flds = NULL; | |
1028 | int c; | |
5ba6918e | 1029 | |
9e995780 | 1030 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
36a5eadd | 1031 | { |
5ba6918e GK |
1032 | switch (c) |
1033 | { | |
5ba6918e | 1034 | case NOTE_INSN_MAX: |
1bcca2c5 | 1035 | case NOTE_INSN_DELETED_LABEL: |
0f01f026 | 1036 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
5ba6918e GK |
1037 | break; |
1038 | ||
1039 | case NOTE_INSN_BLOCK_BEG: | |
1040 | case NOTE_INSN_BLOCK_END: | |
0f01f026 | 1041 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
5ba6918e | 1042 | break; |
3d7aafde | 1043 | |
014a1138 | 1044 | case NOTE_INSN_VAR_LOCATION: |
0f01f026 | 1045 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
5ba6918e GK |
1046 | break; |
1047 | ||
1048 | default: | |
0f01f026 | 1049 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
5ba6918e GK |
1050 | break; |
1051 | } | |
0f01f026 RS |
1052 | /* NOTE_INSN_MAX is used as the default field for line |
1053 | number notes. */ | |
1054 | if (c == NOTE_INSN_MAX) | |
1055 | note_flds->opt = create_option (nodot, "default", ""); | |
1056 | else | |
1057 | note_flds->opt = create_option (nodot, "tag", note_insn_name[c]); | |
36a5eadd | 1058 | } |
0f01f026 RS |
1059 | note_union_tp = new_structure ("rtx_def_note_subunion", 1, |
1060 | &lexer_line, note_flds, NULL); | |
36a5eadd | 1061 | } |
c185c797 RS |
1062 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
1063 | { | |
1064 | pair_p sym_flds; | |
1065 | ||
1066 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); | |
1067 | sym_flds->opt = create_option (nodot, "default", ""); | |
1068 | ||
1069 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); | |
1070 | sym_flds->opt = create_option (nodot, "tag", "1"); | |
1071 | ||
1072 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1, | |
1073 | &lexer_line, sym_flds, NULL); | |
1074 | } | |
36a5eadd GK |
1075 | for (i = 0; i < NUM_RTX_CODE; i++) |
1076 | { | |
36a5eadd GK |
1077 | pair_p subfields = NULL; |
1078 | size_t aindex, nmindex; | |
1079 | const char *sname; | |
0f01f026 | 1080 | type_p substruct; |
36a5eadd GK |
1081 | char *ftag; |
1082 | ||
1083 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
1084 | { | |
36a5eadd GK |
1085 | type_p t; |
1086 | const char *subname; | |
1087 | ||
1088 | switch (rtx_format[i][aindex]) | |
1089 | { | |
1090 | case '*': | |
1091 | case 'i': | |
1092 | case 'n': | |
1093 | case 'w': | |
1094 | t = scalar_tp; | |
9ce88f5e | 1095 | subname = "rt_int"; |
36a5eadd GK |
1096 | break; |
1097 | ||
1098 | case '0': | |
1099 | if (i == MEM && aindex == 1) | |
9ce88f5e | 1100 | t = mem_attrs_tp, subname = "rt_mem"; |
6fb5fa3c | 1101 | else if (i == JUMP_INSN && aindex == 8) |
9ce88f5e | 1102 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd | 1103 | else if (i == CODE_LABEL && aindex == 4) |
9ce88f5e | 1104 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1105 | else if (i == CODE_LABEL && aindex == 5) |
9ce88f5e | 1106 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd GK |
1107 | else if (i == LABEL_REF |
1108 | && (aindex == 1 || aindex == 2)) | |
9ce88f5e | 1109 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd GK |
1110 | else if (i == NOTE && aindex == 4) |
1111 | t = note_union_tp, subname = ""; | |
a38e7aa5 JH |
1112 | else if (i == NOTE && aindex == 5) |
1113 | t = scalar_tp, subname = "rt_int"; | |
36a5eadd | 1114 | else if (i == NOTE && aindex >= 7) |
9ce88f5e | 1115 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1116 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
9ce88f5e | 1117 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1118 | else if (i == VALUE && aindex == 0) |
9ce88f5e | 1119 | t = scalar_tp, subname = "rt_int"; |
0ca5af51 AO |
1120 | else if (i == DEBUG_EXPR && aindex == 0) |
1121 | t = tree_tp, subname = "rt_tree"; | |
36a5eadd | 1122 | else if (i == REG && aindex == 1) |
9ce88f5e | 1123 | t = scalar_tp, subname = "rt_int"; |
a560d4d4 | 1124 | else if (i == REG && aindex == 2) |
9ce88f5e | 1125 | t = reg_attrs_tp, subname = "rt_reg"; |
36a5eadd | 1126 | else if (i == SCRATCH && aindex == 0) |
9ce88f5e | 1127 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1128 | else if (i == SYMBOL_REF && aindex == 1) |
9ce88f5e | 1129 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1130 | else if (i == SYMBOL_REF && aindex == 2) |
c185c797 | 1131 | t = symbol_union_tp, subname = ""; |
36a5eadd | 1132 | else if (i == BARRIER && aindex >= 3) |
9ce88f5e | 1133 | t = scalar_tp, subname = "rt_int"; |
36a5eadd GK |
1134 | else |
1135 | { | |
3d7aafde | 1136 | error_at_line (&lexer_line, |
6d8dd940 AJ |
1137 | "rtx type `%s' has `0' in position %lu, can't handle", |
1138 | rtx_name[i], (unsigned long) aindex); | |
36a5eadd | 1139 | t = &string_type; |
9ce88f5e | 1140 | subname = "rt_int"; |
36a5eadd GK |
1141 | } |
1142 | break; | |
3d7aafde | 1143 | |
36a5eadd GK |
1144 | case 's': |
1145 | case 'S': | |
1146 | case 'T': | |
1147 | t = &string_type; | |
9ce88f5e | 1148 | subname = "rt_str"; |
36a5eadd GK |
1149 | break; |
1150 | ||
1151 | case 'e': | |
1152 | case 'u': | |
1153 | t = rtx_tp; | |
9ce88f5e | 1154 | subname = "rt_rtx"; |
36a5eadd GK |
1155 | break; |
1156 | ||
1157 | case 'E': | |
1158 | case 'V': | |
1159 | t = rtvec_tp; | |
9ce88f5e | 1160 | subname = "rt_rtvec"; |
36a5eadd GK |
1161 | break; |
1162 | ||
1163 | case 't': | |
1164 | t = tree_tp; | |
9ce88f5e | 1165 | subname = "rt_tree"; |
36a5eadd GK |
1166 | break; |
1167 | ||
1168 | case 'b': | |
1169 | t = bitmap_tp; | |
9ce88f5e | 1170 | subname = "rt_bit"; |
36a5eadd GK |
1171 | break; |
1172 | ||
1173 | case 'B': | |
1174 | t = basic_block_tp; | |
9ce88f5e | 1175 | subname = "rt_bb"; |
36a5eadd GK |
1176 | break; |
1177 | ||
1178 | default: | |
3d7aafde | 1179 | error_at_line (&lexer_line, |
6d8dd940 | 1180 | "rtx type `%s' has `%c' in position %lu, can't handle", |
36a5eadd | 1181 | rtx_name[i], rtx_format[i][aindex], |
6d8dd940 | 1182 | (unsigned long)aindex); |
36a5eadd | 1183 | t = &string_type; |
9ce88f5e | 1184 | subname = "rt_int"; |
36a5eadd GK |
1185 | break; |
1186 | } | |
1187 | ||
0f01f026 RS |
1188 | subfields = create_field (subfields, t, |
1189 | xasprintf (".fld[%lu].%s", | |
1190 | (unsigned long) aindex, | |
1191 | subname)); | |
1192 | subfields->opt = nodot; | |
36a5eadd | 1193 | if (t == note_union_tp) |
0f01f026 | 1194 | subfields->opt = create_option (subfields->opt, "desc", |
a38e7aa5 | 1195 | "NOTE_KIND (&%0)"); |
c185c797 RS |
1196 | if (t == symbol_union_tp) |
1197 | subfields->opt = create_option (subfields->opt, "desc", | |
1198 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
36a5eadd GK |
1199 | } |
1200 | ||
aacd3885 RS |
1201 | if (i == SYMBOL_REF) |
1202 | { | |
3fa9c136 | 1203 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P holds. */ |
aacd3885 | 1204 | type_p field_tp = find_structure ("block_symbol", 0); |
3fa9c136 RS |
1205 | subfields |
1206 | = create_optional_field (subfields, field_tp, "block_sym", | |
1207 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
aacd3885 RS |
1208 | } |
1209 | ||
36a5eadd | 1210 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0f01f026 RS |
1211 | substruct = new_structure (sname, 0, &lexer_line, subfields, NULL); |
1212 | ||
36a5eadd GK |
1213 | ftag = xstrdup (rtx_name[i]); |
1214 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
1215 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0f01f026 RS |
1216 | |
1217 | flds = create_field (flds, substruct, ""); | |
1218 | flds->opt = create_option (nodot, "tag", ftag); | |
36a5eadd GK |
1219 | } |
1220 | ||
0f01f026 | 1221 | return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1222 | } |
1223 | ||
1224 | /* Handle `special("tree_exp")'. This is a special case for | |
1225 | field `operands' of struct tree_exp, which although it claims to contain | |
3d7aafde | 1226 | pointers to trees, actually sometimes contains pointers to RTL too. |
36a5eadd GK |
1227 | Passed T, the old type of the field, and OPT its options. Returns |
1228 | a new type for the field. */ | |
1229 | ||
1230 | static type_p | |
3d7aafde | 1231 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
36a5eadd GK |
1232 | { |
1233 | pair_p flds; | |
1234 | options_p nodot; | |
3d7aafde | 1235 | |
36a5eadd GK |
1236 | if (t->kind != TYPE_ARRAY) |
1237 | { | |
3d7aafde | 1238 | error_at_line (&lexer_line, |
36a5eadd GK |
1239 | "special `tree_exp' must be applied to an array"); |
1240 | return &string_type; | |
1241 | } | |
3d7aafde | 1242 | |
0f01f026 RS |
1243 | nodot = create_option (NULL, "dot", ""); |
1244 | ||
1245 | flds = create_field (NULL, t, ""); | |
1246 | flds->opt = create_option (nodot, "length", | |
5039610b | 1247 | "TREE_OPERAND_LENGTH ((tree) &%0)"); |
0f01f026 | 1248 | flds->opt = create_option (flds->opt, "default", ""); |
3d7aafde | 1249 | |
0f01f026 | 1250 | return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1251 | } |
1252 | ||
9f313342 GK |
1253 | /* Perform any special processing on a type T, about to become the type |
1254 | of a field. Return the appropriate type for the field. | |
1255 | At present: | |
1256 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
1257 | - Similarly for arrays of pointer-to-char; | |
1258 | - Converts structures for which a parameter is provided to | |
36a5eadd GK |
1259 | TYPE_PARAM_STRUCT; |
1260 | - Handles "special" options. | |
3d7aafde | 1261 | */ |
9f313342 | 1262 | |
e2500fed | 1263 | type_p |
3d7aafde | 1264 | adjust_field_type (type_p t, options_p opt) |
e2500fed GK |
1265 | { |
1266 | int length_p = 0; | |
1267 | const int pointer_p = t->kind == TYPE_POINTER; | |
36a5eadd GK |
1268 | type_p params[NUM_PARAM]; |
1269 | int params_p = 0; | |
1270 | int i; | |
1271 | ||
1272 | for (i = 0; i < NUM_PARAM; i++) | |
1273 | params[i] = NULL; | |
3d7aafde | 1274 | |
e2500fed GK |
1275 | for (; opt; opt = opt->next) |
1276 | if (strcmp (opt->name, "length") == 0) | |
1277 | length_p = 1; | |
36a5eadd GK |
1278 | else if (strcmp (opt->name, "param_is") == 0 |
1279 | || (strncmp (opt->name, "param", 5) == 0 | |
1280 | && ISDIGIT (opt->name[5]) | |
1281 | && strcmp (opt->name + 6, "_is") == 0)) | |
e2500fed | 1282 | { |
36a5eadd | 1283 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
e2500fed | 1284 | |
36a5eadd GK |
1285 | if (! UNION_OR_STRUCT_P (t) |
1286 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) | |
1287 | { | |
3d7aafde | 1288 | error_at_line (&lexer_line, |
36a5eadd GK |
1289 | "option `%s' may only be applied to structures or structure pointers", |
1290 | opt->name); | |
1291 | return t; | |
1292 | } | |
1293 | ||
1294 | params_p = 1; | |
1295 | if (params[num] != NULL) | |
1296 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
1297 | if (! ISDIGIT (opt->name[5])) | |
7cbb2a85 | 1298 | params[num] = create_pointer (CONST_CAST2(type_p, const char *, opt->info)); |
36a5eadd | 1299 | else |
7cbb2a85 | 1300 | params[num] = CONST_CAST2 (type_p, const char *, opt->info); |
e2500fed | 1301 | } |
36a5eadd GK |
1302 | else if (strcmp (opt->name, "special") == 0) |
1303 | { | |
9e2878cf | 1304 | const char *special_name = opt->info; |
36a5eadd GK |
1305 | if (strcmp (special_name, "tree_exp") == 0) |
1306 | t = adjust_field_tree_exp (t, opt); | |
1307 | else if (strcmp (special_name, "rtx_def") == 0) | |
1308 | t = adjust_field_rtx_def (t, opt); | |
1309 | else | |
1310 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
1311 | } | |
1312 | ||
1313 | if (params_p) | |
1314 | { | |
1315 | type_p realt; | |
3d7aafde | 1316 | |
36a5eadd GK |
1317 | if (pointer_p) |
1318 | t = t->u.p; | |
1319 | realt = find_param_structure (t, params); | |
1320 | t = pointer_p ? create_pointer (realt) : realt; | |
1321 | } | |
1322 | ||
e2500fed GK |
1323 | if (! length_p |
1324 | && pointer_p | |
1325 | && t->u.p->kind == TYPE_SCALAR | |
95161faf | 1326 | && t->u.p->u.scalar_is_char) |
e2500fed GK |
1327 | return &string_type; |
1328 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
1329 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
95161faf | 1330 | && t->u.a.p->u.p->u.scalar_is_char) |
e2500fed GK |
1331 | return create_array (&string_type, t->u.a.len); |
1332 | ||
1333 | return t; | |
1334 | } | |
1335 | ||
e2500fed | 1336 | \f |
3d7aafde AJ |
1337 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
1338 | static void set_gc_used (pair_p); | |
e2500fed | 1339 | |
9f313342 GK |
1340 | /* Handle OPT for set_gc_used_type. */ |
1341 | ||
e2500fed | 1342 | static void |
3d7aafde | 1343 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
5932ca9d | 1344 | int *pass_param, int *length, int *skip, type_p *nested_ptr) |
e2500fed GK |
1345 | { |
1346 | options_p o; | |
1347 | for (o = opt; o; o = o->next) | |
1348 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
7cbb2a85 KG |
1349 | set_gc_used_type (CONST_CAST2 (type_p, const char *, o->info), |
1350 | GC_POINTED_TO, NULL); | |
e2500fed GK |
1351 | else if (strcmp (o->name, "maybe_undef") == 0) |
1352 | *maybe_undef = 1; | |
36a5eadd GK |
1353 | else if (strcmp (o->name, "use_params") == 0) |
1354 | *pass_param = 1; | |
1355 | else if (strcmp (o->name, "length") == 0) | |
1356 | *length = 1; | |
5932ca9d ZW |
1357 | else if (strcmp (o->name, "skip") == 0) |
1358 | *skip = 1; | |
d8044160 GK |
1359 | else if (strcmp (o->name, "nested_ptr") == 0) |
1360 | *nested_ptr = ((const struct nested_ptr_data *) o->info)->type; | |
e2500fed GK |
1361 | } |
1362 | ||
9f313342 GK |
1363 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
1364 | ||
e2500fed | 1365 | static void |
3d7aafde | 1366 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
e2500fed GK |
1367 | { |
1368 | if (t->gc_used >= level) | |
1369 | return; | |
3d7aafde | 1370 | |
e2500fed GK |
1371 | t->gc_used = level; |
1372 | ||
1373 | switch (t->kind) | |
1374 | { | |
1375 | case TYPE_STRUCT: | |
1376 | case TYPE_UNION: | |
1377 | { | |
1378 | pair_p f; | |
1379 | int dummy; | |
d8044160 | 1380 | type_p dummy2; |
e2500fed | 1381 | |
5932ca9d | 1382 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
d8044160 | 1383 | &dummy2); |
e2500fed GK |
1384 | |
1385 | for (f = t->u.s.fields; f; f = f->next) | |
1386 | { | |
1387 | int maybe_undef = 0; | |
36a5eadd GK |
1388 | int pass_param = 0; |
1389 | int length = 0; | |
5932ca9d | 1390 | int skip = 0; |
d8044160 | 1391 | type_p nested_ptr = NULL; |
36a5eadd | 1392 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
5932ca9d | 1393 | &length, &skip, &nested_ptr); |
3d7aafde | 1394 | |
d8044160 | 1395 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
b8698a0f | 1396 | set_gc_used_type (nested_ptr, GC_POINTED_TO, |
d8044160 GK |
1397 | pass_param ? param : NULL); |
1398 | else if (length && f->type->kind == TYPE_POINTER) | |
36a5eadd GK |
1399 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
1400 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
1401 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
1402 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
1403 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
1404 | GC_POINTED_TO, NULL); | |
5932ca9d ZW |
1405 | else if (skip) |
1406 | ; /* target type is not used through this field */ | |
e2500fed | 1407 | else |
36a5eadd | 1408 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
e2500fed GK |
1409 | } |
1410 | break; | |
1411 | } | |
1412 | ||
1413 | case TYPE_POINTER: | |
36a5eadd | 1414 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
e2500fed GK |
1415 | break; |
1416 | ||
1417 | case TYPE_ARRAY: | |
36a5eadd | 1418 | set_gc_used_type (t->u.a.p, GC_USED, param); |
e2500fed | 1419 | break; |
3d7aafde | 1420 | |
e2500fed GK |
1421 | case TYPE_LANG_STRUCT: |
1422 | for (t = t->u.s.lang_struct; t; t = t->next) | |
36a5eadd | 1423 | set_gc_used_type (t, level, param); |
e2500fed GK |
1424 | break; |
1425 | ||
1426 | case TYPE_PARAM_STRUCT: | |
36a5eadd GK |
1427 | { |
1428 | int i; | |
1429 | for (i = 0; i < NUM_PARAM; i++) | |
1430 | if (t->u.param_struct.param[i] != 0) | |
1431 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
1432 | } | |
1433 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
1434 | level = GC_POINTED_TO; | |
1435 | else | |
1436 | level = GC_USED; | |
1437 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
3d7aafde | 1438 | set_gc_used_type (t->u.param_struct.stru, level, |
36a5eadd | 1439 | t->u.param_struct.param); |
e2500fed GK |
1440 | break; |
1441 | ||
1442 | default: | |
1443 | break; | |
1444 | } | |
1445 | } | |
1446 | ||
36a5eadd | 1447 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
9f313342 | 1448 | |
e2500fed | 1449 | static void |
3d7aafde | 1450 | set_gc_used (pair_p variables) |
e2500fed GK |
1451 | { |
1452 | pair_p p; | |
1453 | for (p = variables; p; p = p->next) | |
36a5eadd | 1454 | set_gc_used_type (p->type, GC_USED, NULL); |
e2500fed GK |
1455 | } |
1456 | \f | |
1457 | /* File mapping routines. For each input file, there is one output .c file | |
1458 | (but some output files have many input files), and there is one .h file | |
1459 | for the whole build. */ | |
1460 | ||
065ae611 | 1461 | /* Output file handling. */ |
e2500fed | 1462 | |
e03856fe GK |
1463 | /* Create and return an outf_p for a new file for NAME, to be called |
1464 | ONAME. */ | |
9f313342 | 1465 | |
e03856fe | 1466 | static outf_p |
3d7aafde | 1467 | create_file (const char *name, const char *oname) |
e2500fed GK |
1468 | { |
1469 | static const char *const hdr[] = { | |
bd117bb6 | 1470 | " Copyright (C) 2004, 2007, 2009 Free Software Foundation, Inc.\n", |
e2500fed GK |
1471 | "\n", |
1472 | "This file is part of GCC.\n", | |
1473 | "\n", | |
1474 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1475 | "the terms of the GNU General Public License as published by the Free\n", | |
9dcd6f09 | 1476 | "Software Foundation; either version 3, or (at your option) any later\n", |
e2500fed GK |
1477 | "version.\n", |
1478 | "\n", | |
1479 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1480 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1481 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1482 | "for more details.\n", | |
1483 | "\n", | |
1484 | "You should have received a copy of the GNU General Public License\n", | |
9dcd6f09 NC |
1485 | "along with GCC; see the file COPYING3. If not see\n", |
1486 | "<http://www.gnu.org/licenses/>. */\n", | |
e2500fed GK |
1487 | "\n", |
1488 | "/* This file is machine generated. Do not edit. */\n" | |
1489 | }; | |
e03856fe | 1490 | outf_p f; |
e2500fed | 1491 | size_t i; |
3d7aafde | 1492 | |
bd117bb6 BS |
1493 | gcc_assert (name != NULL); |
1494 | gcc_assert (oname != NULL); | |
5d038c4c | 1495 | f = XCNEW (struct outf); |
e03856fe GK |
1496 | f->next = output_files; |
1497 | f->name = oname; | |
1498 | output_files = f; | |
1499 | ||
1500 | oprintf (f, "/* Type information for %s.\n", name); | |
62c71f4b | 1501 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
e03856fe | 1502 | oprintf (f, "%s", hdr[i]); |
e2500fed GK |
1503 | return f; |
1504 | } | |
1505 | ||
b8698a0f | 1506 | /* Print, like fprintf, to O. |
311e3ff0 ZW |
1507 | N.B. You might think this could be implemented more efficiently |
1508 | with vsnprintf(). Unfortunately, there are C libraries that | |
1509 | provide that function but without the C99 semantics for its return | |
1510 | value, making it impossible to know how much space is required. */ | |
3d7aafde | 1511 | void |
e34d07f2 | 1512 | oprintf (outf_p o, const char *format, ...) |
e03856fe | 1513 | { |
311e3ff0 | 1514 | char *s; |
e03856fe | 1515 | size_t slength; |
311e3ff0 | 1516 | va_list ap; |
3d7aafde | 1517 | |
bd117bb6 BS |
1518 | /* In plugin mode, the O could be a NULL pointer, so avoid crashing |
1519 | in that case. */ | |
b8698a0f | 1520 | if (!o) |
bd117bb6 BS |
1521 | return; |
1522 | ||
311e3ff0 ZW |
1523 | va_start (ap, format); |
1524 | slength = vasprintf (&s, format, ap); | |
1525 | if (s == NULL || (int)slength < 0) | |
1526 | fatal ("out of memory"); | |
1527 | va_end (ap); | |
e03856fe | 1528 | |
311e3ff0 | 1529 | if (o->bufused + slength > o->buflength) |
e03856fe GK |
1530 | { |
1531 | size_t new_len = o->buflength; | |
1532 | if (new_len == 0) | |
1533 | new_len = 1024; | |
1534 | do { | |
1535 | new_len *= 2; | |
1536 | } while (o->bufused + slength >= new_len); | |
cca8ead2 | 1537 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
e03856fe GK |
1538 | o->buflength = new_len; |
1539 | } | |
311e3ff0 | 1540 | memcpy (o->buf + o->bufused, s, slength); |
e03856fe | 1541 | o->bufused += slength; |
311e3ff0 | 1542 | free (s); |
e03856fe GK |
1543 | } |
1544 | ||
9f313342 GK |
1545 | /* Open the global header file and the language-specific header files. */ |
1546 | ||
e2500fed | 1547 | static void |
3d7aafde | 1548 | open_base_files (void) |
e2500fed GK |
1549 | { |
1550 | size_t i; | |
3d7aafde | 1551 | |
bd117bb6 BS |
1552 | if (nb_plugin_files > 0 && plugin_files) |
1553 | return; | |
1554 | ||
e03856fe | 1555 | header_file = create_file ("GCC", "gtype-desc.h"); |
e2500fed | 1556 | |
11a67599 ZW |
1557 | base_files = XNEWVEC (outf_p, num_lang_dirs); |
1558 | ||
1559 | for (i = 0; i < num_lang_dirs; i++) | |
3d7aafde | 1560 | base_files[i] = create_file (lang_dir_names[i], |
8ac9d31f | 1561 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
e03856fe GK |
1562 | |
1563 | /* gtype-desc.c is a little special, so we create it here. */ | |
1564 | { | |
1565 | /* The order of files here matters very much. */ | |
1566 | static const char *const ifiles [] = { | |
b8698a0f | 1567 | "config.h", "system.h", "coretypes.h", "tm.h", "varray.h", |
7932a3db NS |
1568 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
1569 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", | |
1570 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1571 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
1572 | "tree-flow.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", | |
1d65f45c | 1573 | "cfglayout.h", "except.h", "output.h", "gimple.h", "cfgloop.h", |
fb3f88cc | 1574 | "target.h", "ipa-prop.h", NULL |
e03856fe GK |
1575 | }; |
1576 | const char *const *ifp; | |
1577 | outf_p gtype_desc_c; | |
3d7aafde | 1578 | |
e03856fe GK |
1579 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1580 | for (ifp = ifiles; *ifp; ifp++) | |
1581 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
5576d6f2 TT |
1582 | |
1583 | /* Make sure we handle "cfun" specially. */ | |
1584 | oprintf (gtype_desc_c, "\n/* See definition in function.h. */\n"); | |
1585 | oprintf (gtype_desc_c, "#undef cfun\n"); | |
e03856fe | 1586 | } |
e2500fed GK |
1587 | } |
1588 | ||
8de8de02 OH |
1589 | /* For F a filename, return the real basename of F, with all the directory |
1590 | components skipped. */ | |
1591 | ||
1592 | static const char * | |
1593 | get_file_realbasename (const char *f) | |
1594 | { | |
1595 | const char * lastslash = strrchr (f, '/'); | |
b8698a0f | 1596 | |
8de8de02 OH |
1597 | return (lastslash != NULL) ? lastslash + 1 : f; |
1598 | } | |
1599 | ||
1600 | /* For F a filename, return the relative path to F from $(srcdir) if the | |
1601 | latter is a prefix in F, NULL otherwise. */ | |
1602 | ||
1603 | static const char * | |
1604 | get_file_srcdir_relative_path (const char *f) | |
1605 | { | |
1606 | if (strlen (f) > srcdir_len | |
1607 | && IS_DIR_SEPARATOR (f[srcdir_len]) | |
1608 | && memcmp (f, srcdir, srcdir_len) == 0) | |
1609 | return f + srcdir_len + 1; | |
1610 | else | |
1611 | return NULL; | |
1612 | } | |
1613 | ||
1614 | /* For F a filename, return the relative path to F from $(srcdir) if the | |
1615 | latter is a prefix in F, or the real basename of F otherwise. */ | |
9f313342 | 1616 | |
e2500fed | 1617 | static const char * |
3d7aafde | 1618 | get_file_basename (const char *f) |
e2500fed | 1619 | { |
8de8de02 | 1620 | const char * srcdir_path = get_file_srcdir_relative_path (f); |
3d7aafde | 1621 | |
8de8de02 OH |
1622 | return (srcdir_path != NULL) ? srcdir_path : get_file_realbasename (f); |
1623 | } | |
3d7aafde | 1624 | |
8de8de02 OH |
1625 | /* For F a filename, return the lang_dir_names relative index of the language |
1626 | directory that is a prefix in F, if any, -1 otherwise. */ | |
3d7aafde | 1627 | |
8de8de02 OH |
1628 | static int |
1629 | get_prefix_langdir_index (const char *f) | |
1630 | { | |
1631 | size_t f_len = strlen (f); | |
1632 | size_t lang_index; | |
3d7aafde | 1633 | |
8de8de02 | 1634 | for (lang_index = 0; lang_index < num_lang_dirs; lang_index++) |
8ac9d31f | 1635 | { |
8de8de02 OH |
1636 | const char * langdir = lang_dir_names [lang_index]; |
1637 | size_t langdir_len = strlen (langdir); | |
b8698a0f | 1638 | |
8de8de02 OH |
1639 | if (f_len > langdir_len |
1640 | && IS_DIR_SEPARATOR (f[langdir_len]) | |
1641 | && memcmp (f, langdir, langdir_len) == 0) | |
1642 | return lang_index; | |
8ac9d31f | 1643 | } |
3d7aafde | 1644 | |
8de8de02 OH |
1645 | return -1; |
1646 | } | |
1647 | ||
1648 | /* For F a filename, return the name of language directory where F is located, | |
1649 | if any, NULL otherwise. */ | |
1650 | ||
1651 | static const char * | |
1652 | get_file_langdir (const char *f) | |
1653 | { | |
1654 | /* Get the relative path to F from $(srcdir) and find the language by | |
1655 | comparing the prefix with language directory names. If F is not even | |
1656 | srcdir relative, no point in looking further. */ | |
1657 | ||
1658 | int lang_index; | |
1659 | const char * srcdir_relative_path = get_file_srcdir_relative_path (f); | |
1660 | ||
1661 | if (!srcdir_relative_path) | |
1662 | return NULL; | |
1663 | ||
1664 | lang_index = get_prefix_langdir_index (srcdir_relative_path); | |
1665 | ||
1666 | return (lang_index >= 0) ? lang_dir_names [lang_index] : NULL; | |
1667 | } | |
1668 | ||
1669 | /* The gt- output file name for F. */ | |
1670 | ||
1671 | static const char * | |
1672 | get_file_gtfilename (const char *f) | |
1673 | { | |
1674 | /* Cook up an initial version of the gt- file name from the file real | |
1675 | basename and the language name, if any. */ | |
1676 | ||
1677 | const char *basename = get_file_realbasename (f); | |
1678 | const char *langdir = get_file_langdir (f); | |
b8698a0f | 1679 | |
8de8de02 OH |
1680 | char * result = |
1681 | (langdir ? xasprintf ("gt-%s-%s", langdir, basename) | |
1682 | : xasprintf ("gt-%s", basename)); | |
1683 | ||
1684 | /* Then replace all non alphanumerics characters by '-' and change the | |
1685 | extenstion to ".h". We expect the input filename extension was at least | |
1686 | one character long. */ | |
1687 | ||
1688 | char *s = result; | |
1689 | ||
1690 | for (; *s != '.'; s++) | |
1691 | if (! ISALNUM (*s) && *s != '-') | |
1692 | *s = '-'; | |
1693 | ||
1694 | memcpy (s, ".h", sizeof (".h")); | |
1695 | ||
1696 | return result; | |
e2500fed GK |
1697 | } |
1698 | ||
9f313342 GK |
1699 | /* An output file, suitable for definitions, that can see declarations |
1700 | made in INPUT_FILE and is linked into every language that uses | |
1701 | INPUT_FILE. */ | |
1702 | ||
e03856fe | 1703 | outf_p |
3d7aafde | 1704 | get_output_file_with_visibility (const char *input_file) |
e2500fed | 1705 | { |
e03856fe | 1706 | outf_p r; |
e2500fed GK |
1707 | size_t len; |
1708 | const char *basename; | |
e03856fe GK |
1709 | const char *for_name; |
1710 | const char *output_name; | |
e2500fed | 1711 | |
e03856fe GK |
1712 | /* This can happen when we need a file with visibility on a |
1713 | structure that we've never seen. We have to just hope that it's | |
1714 | globally visible. */ | |
1715 | if (input_file == NULL) | |
1716 | input_file = "system.h"; | |
e2500fed | 1717 | |
bd117bb6 BS |
1718 | /* In plugin mode, return NULL unless the input_file is one of the |
1719 | plugin_files. */ | |
9b39cba9 BS |
1720 | if (plugin_files) |
1721 | { | |
9f78bf05 | 1722 | size_t i; |
9b39cba9 BS |
1723 | for (i = 0; i < nb_plugin_files; i++) |
1724 | if (strcmp (input_file, plugin_files[i]) == 0) | |
1725 | return plugin_output; | |
1726 | ||
1727 | return NULL; | |
bd117bb6 BS |
1728 | } |
1729 | ||
e2500fed GK |
1730 | /* Determine the output file name. */ |
1731 | basename = get_file_basename (input_file); | |
1732 | ||
1733 | len = strlen (basename); | |
1734 | if ((len > 2 && memcmp (basename+len-2, ".c", 2) == 0) | |
1735 | || (len > 2 && memcmp (basename+len-2, ".y", 2) == 0) | |
1736 | || (len > 3 && memcmp (basename+len-3, ".in", 3) == 0)) | |
1737 | { | |
b8698a0f | 1738 | output_name = get_file_gtfilename (input_file); |
e03856fe | 1739 | for_name = basename; |
e2500fed | 1740 | } |
ad8c162b ZL |
1741 | /* Some headers get used by more than one front-end; hence, it |
1742 | would be inappropriate to spew them out to a single gtype-<lang>.h | |
1743 | (and gengtype doesn't know how to direct spewage into multiple | |
1744 | gtype-<lang>.h headers at this time). Instead, we pair up these | |
1745 | headers with source files (and their special purpose gt-*.h headers). */ | |
e2500fed | 1746 | else if (strcmp (basename, "c-common.h") == 0) |
e03856fe | 1747 | output_name = "gt-c-common.h", for_name = "c-common.c"; |
29cc57cf RG |
1748 | else if (strcmp (basename, "c-lang.h") == 0) |
1749 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; | |
e2500fed | 1750 | else if (strcmp (basename, "c-tree.h") == 0) |
e03856fe | 1751 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; |
6e955430 ZL |
1752 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) |
1753 | && strcmp (basename + 3, "cp-tree.h") == 0) | |
1754 | output_name = "gt-cp-tree.h", for_name = "cp/tree.c"; | |
1755 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1756 | && strcmp (basename + 3, "decl.h") == 0) | |
1757 | output_name = "gt-cp-decl.h", for_name = "cp/decl.c"; | |
1758 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1759 | && strcmp (basename + 3, "name-lookup.h") == 0) | |
1760 | output_name = "gt-cp-name-lookup.h", for_name = "cp/name-lookup.c"; | |
ad8c162b ZL |
1761 | else if (strncmp (basename, "objc", 4) == 0 && IS_DIR_SEPARATOR (basename[4]) |
1762 | && strcmp (basename + 5, "objc-act.h") == 0) | |
1763 | output_name = "gt-objc-objc-act.h", for_name = "objc/objc-act.c"; | |
b8698a0f | 1764 | else |
e2500fed | 1765 | { |
8de8de02 | 1766 | int lang_index = get_prefix_langdir_index (basename); |
3d7aafde | 1767 | |
8de8de02 OH |
1768 | if (lang_index >= 0) |
1769 | return base_files[lang_index]; | |
e03856fe GK |
1770 | |
1771 | output_name = "gtype-desc.c"; | |
1772 | for_name = NULL; | |
e2500fed GK |
1773 | } |
1774 | ||
1775 | /* Look through to see if we've ever seen this output filename before. */ | |
e03856fe GK |
1776 | for (r = output_files; r; r = r->next) |
1777 | if (strcmp (r->name, output_name) == 0) | |
1778 | return r; | |
e2500fed GK |
1779 | |
1780 | /* If not, create it. */ | |
e03856fe | 1781 | r = create_file (for_name, output_name); |
e2500fed | 1782 | |
bd117bb6 | 1783 | gcc_assert (r && r->name); |
e03856fe | 1784 | return r; |
e2500fed GK |
1785 | } |
1786 | ||
9f313342 GK |
1787 | /* The name of an output file, suitable for definitions, that can see |
1788 | declarations made in INPUT_FILE and is linked into every language | |
1789 | that uses INPUT_FILE. */ | |
1790 | ||
e2500fed | 1791 | const char * |
3d7aafde | 1792 | get_output_file_name (const char *input_file) |
e2500fed | 1793 | { |
bd117bb6 BS |
1794 | outf_p o = get_output_file_with_visibility (input_file); |
1795 | if (o) | |
1796 | return o->name; | |
1797 | return NULL; | |
e2500fed GK |
1798 | } |
1799 | ||
41e7ac51 BS |
1800 | /* Check if existing file is equal to the in memory buffer. */ |
1801 | ||
1802 | static bool | |
1803 | is_file_equal (outf_p of) | |
1804 | { | |
1805 | FILE *newfile = fopen (of->name, "r"); | |
1806 | size_t i; | |
1807 | bool equal; | |
1808 | if (newfile == NULL) | |
1809 | return false; | |
1810 | ||
1811 | equal = true; | |
1812 | for (i = 0; i < of->bufused; i++) | |
1813 | { | |
1814 | int ch; | |
1815 | ch = fgetc (newfile); | |
1816 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
1817 | { | |
1818 | equal = false; | |
1819 | break; | |
1820 | } | |
1821 | } | |
1822 | fclose (newfile); | |
1823 | return equal; | |
1824 | } | |
1825 | ||
e03856fe | 1826 | /* Copy the output to its final destination, |
9f313342 GK |
1827 | but don't unnecessarily change modification times. */ |
1828 | ||
e2500fed | 1829 | static void |
3d7aafde | 1830 | close_output_files (void) |
e2500fed | 1831 | { |
e03856fe | 1832 | outf_p of; |
3d7aafde | 1833 | |
e03856fe | 1834 | for (of = output_files; of; of = of->next) |
e2500fed | 1835 | { |
e2500fed | 1836 | |
41e7ac51 BS |
1837 | if (!is_file_equal(of)) |
1838 | { | |
1839 | FILE *newfile = fopen (of->name, "w"); | |
1840 | if (newfile == NULL) | |
1841 | fatal ("opening output file %s: %s", of->name, strerror (errno)); | |
1842 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) | |
1843 | fatal ("writing output file %s: %s", of->name, strerror (errno)); | |
1844 | if (fclose (newfile) != 0) | |
1845 | fatal ("closing output file %s: %s", of->name, strerror (errno)); | |
1846 | } | |
1847 | free(of->buf); | |
1848 | of->buf = NULL; | |
1849 | of->bufused = of->buflength = 0; | |
e2500fed GK |
1850 | } |
1851 | } | |
1852 | \f | |
1853 | struct flist { | |
1854 | struct flist *next; | |
1855 | int started_p; | |
1856 | const char *name; | |
e03856fe | 1857 | outf_p f; |
e2500fed GK |
1858 | }; |
1859 | ||
17211ab5 GK |
1860 | struct walk_type_data; |
1861 | ||
1862 | /* For scalars and strings, given the item in 'val'. | |
1863 | For structures, given a pointer to the item in 'val'. | |
1864 | For misc. pointers, given the item in 'val'. | |
1865 | */ | |
3d7aafde AJ |
1866 | typedef void (*process_field_fn) |
1867 | (type_p f, const struct walk_type_data *p); | |
17211ab5 | 1868 | typedef void (*func_name_fn) |
3d7aafde | 1869 | (type_p s, const struct walk_type_data *p); |
17211ab5 GK |
1870 | |
1871 | /* Parameters for write_types. */ | |
1872 | ||
3d7aafde | 1873 | struct write_types_data |
17211ab5 GK |
1874 | { |
1875 | const char *prefix; | |
1876 | const char *param_prefix; | |
1877 | const char *subfield_marker_routine; | |
1878 | const char *marker_routine; | |
1879 | const char *reorder_note_routine; | |
1880 | const char *comment; | |
8d6419b2 | 1881 | int skip_hooks; /* skip hook generation if non zero */ |
17211ab5 GK |
1882 | }; |
1883 | ||
3d7aafde AJ |
1884 | static void output_escaped_param (struct walk_type_data *d, |
1885 | const char *, const char *); | |
e5cfc29f | 1886 | static void output_mangled_typename (outf_p, const_type_p); |
3d7aafde | 1887 | static void walk_type (type_p t, struct walk_type_data *d); |
17211ab5 | 1888 | static void write_func_for_structure |
3d7aafde AJ |
1889 | (type_p orig_s, type_p s, type_p * param, |
1890 | const struct write_types_data *wtd); | |
1891 | static void write_types_process_field | |
1892 | (type_p f, const struct walk_type_data *d); | |
0182d016 BS |
1893 | static void write_types (outf_p output_header, |
1894 | type_p structures, | |
3d7aafde AJ |
1895 | type_p param_structs, |
1896 | const struct write_types_data *wtd); | |
17211ab5 | 1897 | static void write_types_local_process_field |
3d7aafde | 1898 | (type_p f, const struct walk_type_data *d); |
17211ab5 | 1899 | static void write_local_func_for_structure |
3d7aafde | 1900 | (type_p orig_s, type_p s, type_p * param); |
0182d016 BS |
1901 | static void write_local (outf_p output_header, |
1902 | type_p structures, | |
3d7aafde AJ |
1903 | type_p param_structs); |
1904 | static void write_enum_defn (type_p structures, type_p param_structs); | |
1905 | static int contains_scalar_p (type_p t); | |
1906 | static void put_mangled_filename (outf_p , const char *); | |
1907 | static void finish_root_table (struct flist *flp, const char *pfx, | |
1908 | const char *tname, const char *lastname, | |
1909 | const char *name); | |
1910 | static void write_root (outf_p , pair_p, type_p, const char *, int, | |
99be7084 | 1911 | struct fileloc *, const char *, bool); |
3d7aafde AJ |
1912 | static void write_array (outf_p f, pair_p v, |
1913 | const struct write_types_data *wtd); | |
99be7084 | 1914 | static void write_roots (pair_p, bool); |
e2500fed | 1915 | |
17211ab5 | 1916 | /* Parameters for walk_type. */ |
e2500fed | 1917 | |
17211ab5 | 1918 | struct walk_type_data |
e2500fed | 1919 | { |
17211ab5 GK |
1920 | process_field_fn process_field; |
1921 | const void *cookie; | |
1922 | outf_p of; | |
1923 | options_p opt; | |
1924 | const char *val; | |
1925 | const char *prev_val[4]; | |
1926 | int indent; | |
1927 | int counter; | |
1928 | struct fileloc *line; | |
1929 | lang_bitmap bitmap; | |
1930 | type_p *param; | |
1931 | int used_length; | |
1932 | type_p orig_s; | |
1933 | const char *reorder_fn; | |
d8044160 GK |
1934 | bool needs_cast_p; |
1935 | bool fn_wants_lvalue; | |
17211ab5 | 1936 | }; |
36a5eadd GK |
1937 | |
1938 | /* Print a mangled name representing T to OF. */ | |
1939 | ||
1940 | static void | |
e5cfc29f | 1941 | output_mangled_typename (outf_p of, const_type_p t) |
36a5eadd GK |
1942 | { |
1943 | if (t == NULL) | |
1944 | oprintf (of, "Z"); | |
1945 | else switch (t->kind) | |
1946 | { | |
1947 | case TYPE_POINTER: | |
1948 | oprintf (of, "P"); | |
1949 | output_mangled_typename (of, t->u.p); | |
1950 | break; | |
1951 | case TYPE_SCALAR: | |
1952 | oprintf (of, "I"); | |
1953 | break; | |
1954 | case TYPE_STRING: | |
1955 | oprintf (of, "S"); | |
1956 | break; | |
1957 | case TYPE_STRUCT: | |
1958 | case TYPE_UNION: | |
1959 | case TYPE_LANG_STRUCT: | |
6d8dd940 | 1960 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), t->u.s.tag); |
36a5eadd GK |
1961 | break; |
1962 | case TYPE_PARAM_STRUCT: | |
1963 | { | |
1964 | int i; | |
1965 | for (i = 0; i < NUM_PARAM; i++) | |
1966 | if (t->u.param_struct.param[i] != NULL) | |
1967 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
3d7aafde | 1968 | output_mangled_typename (of, t->u.param_struct.stru); |
36a5eadd GK |
1969 | } |
1970 | break; | |
1971 | case TYPE_ARRAY: | |
b2d59f6f | 1972 | gcc_unreachable (); |
36a5eadd | 1973 | } |
e2500fed GK |
1974 | } |
1975 | ||
17211ab5 GK |
1976 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
1977 | current object, D->PREV_VAL the object containing the current | |
1978 | object, ONAME is the name of the option and D->LINE is used to | |
1979 | print error messages. */ | |
9f313342 | 1980 | |
e2500fed | 1981 | static void |
3d7aafde AJ |
1982 | output_escaped_param (struct walk_type_data *d, const char *param, |
1983 | const char *oname) | |
e2500fed | 1984 | { |
17211ab5 | 1985 | const char *p; |
3d7aafde | 1986 | |
17211ab5 GK |
1987 | for (p = param; *p; p++) |
1988 | if (*p != '%') | |
1989 | oprintf (d->of, "%c", *p); | |
1990 | else switch (*++p) | |
1991 | { | |
1992 | case 'h': | |
1993 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
1994 | break; | |
1995 | case '0': | |
1996 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
1997 | break; | |
1998 | case '1': | |
1999 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
2000 | break; | |
2001 | case 'a': | |
e2500fed | 2002 | { |
17211ab5 GK |
2003 | const char *pp = d->val + strlen (d->val); |
2004 | while (pp[-1] == ']') | |
2005 | while (*pp != '[') | |
2006 | pp--; | |
2007 | oprintf (d->of, "%s", pp); | |
e2500fed | 2008 | } |
17211ab5 GK |
2009 | break; |
2010 | default: | |
2011 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
2012 | oname, '%', *p); | |
2013 | } | |
2014 | } | |
e2500fed | 2015 | |
17211ab5 GK |
2016 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
2017 | which is of type T. Write code to D->OF to constrain execution (at | |
2018 | the point that D->PROCESS_FIELD is called) to the appropriate | |
4da6879c GK |
2019 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
2020 | pointers to those objects. D->PREV_VAL lists the objects | |
2021 | containing the current object, D->OPT is a list of options to | |
2022 | apply, D->INDENT is the current indentation level, D->LINE is used | |
2023 | to print error messages, D->BITMAP indicates which languages to | |
2024 | print the structure for, and D->PARAM is the current parameter | |
2025 | (from an enclosing param_is option). */ | |
e2500fed | 2026 | |
17211ab5 | 2027 | static void |
3d7aafde | 2028 | walk_type (type_p t, struct walk_type_data *d) |
17211ab5 GK |
2029 | { |
2030 | const char *length = NULL; | |
2031 | const char *desc = NULL; | |
2032 | int maybe_undef_p = 0; | |
2033 | int use_param_num = -1; | |
2034 | int use_params_p = 0; | |
17211ab5 | 2035 | options_p oo; |
b453c95f | 2036 | const struct nested_ptr_data *nested_ptr_d = NULL; |
3d7aafde | 2037 | |
d8044160 | 2038 | d->needs_cast_p = false; |
17211ab5 GK |
2039 | for (oo = d->opt; oo; oo = oo->next) |
2040 | if (strcmp (oo->name, "length") == 0) | |
9e2878cf | 2041 | length = oo->info; |
17211ab5 GK |
2042 | else if (strcmp (oo->name, "maybe_undef") == 0) |
2043 | maybe_undef_p = 1; | |
2044 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
2045 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2046 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
2047 | else if (strcmp (oo->name, "use_params") == 0) | |
2048 | use_params_p = 1; | |
2049 | else if (strcmp (oo->name, "desc") == 0) | |
9e2878cf | 2050 | desc = oo->info; |
8d6419b2 BS |
2051 | else if (strcmp (oo->name, "mark_hook") == 0) |
2052 | ; | |
b453c95f | 2053 | else if (strcmp (oo->name, "nested_ptr") == 0) |
d8044160 | 2054 | nested_ptr_d = (const struct nested_ptr_data *) oo->info; |
17211ab5 GK |
2055 | else if (strcmp (oo->name, "dot") == 0) |
2056 | ; | |
2057 | else if (strcmp (oo->name, "tag") == 0) | |
2058 | ; | |
2059 | else if (strcmp (oo->name, "special") == 0) | |
2060 | ; | |
2061 | else if (strcmp (oo->name, "skip") == 0) | |
2062 | ; | |
2063 | else if (strcmp (oo->name, "default") == 0) | |
2064 | ; | |
2065 | else if (strcmp (oo->name, "descbits") == 0) | |
2066 | ; | |
2067 | else if (strcmp (oo->name, "param_is") == 0) | |
2068 | ; | |
084087e1 RH |
2069 | else if (strncmp (oo->name, "param", 5) == 0 |
2070 | && ISDIGIT (oo->name[5]) | |
2071 | && strcmp (oo->name + 6, "_is") == 0) | |
2072 | ; | |
17211ab5 GK |
2073 | else if (strcmp (oo->name, "chain_next") == 0) |
2074 | ; | |
2075 | else if (strcmp (oo->name, "chain_prev") == 0) | |
2076 | ; | |
623f8e39 JJ |
2077 | else if (strcmp (oo->name, "chain_circular") == 0) |
2078 | ; | |
17211ab5 GK |
2079 | else if (strcmp (oo->name, "reorder") == 0) |
2080 | ; | |
2081 | else | |
2082 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
36a5eadd | 2083 | |
17211ab5 GK |
2084 | if (d->used_length) |
2085 | length = NULL; | |
36a5eadd | 2086 | |
17211ab5 GK |
2087 | if (use_params_p) |
2088 | { | |
2089 | int pointer_p = t->kind == TYPE_POINTER; | |
3d7aafde | 2090 | |
17211ab5 GK |
2091 | if (pointer_p) |
2092 | t = t->u.p; | |
2093 | if (! UNION_OR_STRUCT_P (t)) | |
2094 | error_at_line (d->line, "`use_params' option on unimplemented type"); | |
3d7aafde | 2095 | else |
17211ab5 GK |
2096 | t = find_param_structure (t, d->param); |
2097 | if (pointer_p) | |
2098 | t = create_pointer (t); | |
2099 | } | |
3d7aafde | 2100 | |
17211ab5 GK |
2101 | if (use_param_num != -1) |
2102 | { | |
2103 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
e2500fed | 2104 | { |
17211ab5 | 2105 | type_p nt = d->param[use_param_num]; |
3d7aafde | 2106 | |
17211ab5 GK |
2107 | if (t->kind == TYPE_ARRAY) |
2108 | nt = create_array (nt, t->u.a.len); | |
2109 | else if (length != NULL && t->kind == TYPE_POINTER) | |
2110 | nt = create_pointer (nt); | |
f099d360 GK |
2111 | d->needs_cast_p = (t->kind != TYPE_POINTER |
2112 | && (nt->kind == TYPE_POINTER | |
2113 | || nt->kind == TYPE_STRING)); | |
17211ab5 | 2114 | t = nt; |
e2500fed | 2115 | } |
17211ab5 GK |
2116 | else |
2117 | error_at_line (d->line, "no parameter defined for `%s'", | |
2118 | d->val); | |
2119 | } | |
3d7aafde AJ |
2120 | |
2121 | if (maybe_undef_p | |
17211ab5 GK |
2122 | && (t->kind != TYPE_POINTER || ! UNION_OR_STRUCT_P (t->u.p))) |
2123 | { | |
3d7aafde | 2124 | error_at_line (d->line, |
17211ab5 GK |
2125 | "field `%s' has invalid option `maybe_undef_p'\n", |
2126 | d->val); | |
2127 | return; | |
2128 | } | |
3d7aafde | 2129 | |
17211ab5 GK |
2130 | switch (t->kind) |
2131 | { | |
2132 | case TYPE_SCALAR: | |
2133 | case TYPE_STRING: | |
2134 | d->process_field (t, d); | |
2135 | break; | |
3d7aafde | 2136 | |
17211ab5 GK |
2137 | case TYPE_POINTER: |
2138 | { | |
2139 | if (maybe_undef_p | |
2140 | && t->u.p->u.s.line.file == NULL) | |
2141 | { | |
b2d59f6f | 2142 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
17211ab5 GK |
2143 | break; |
2144 | } | |
e2500fed | 2145 | |
17211ab5 | 2146 | if (! length) |
e2500fed | 2147 | { |
17211ab5 GK |
2148 | if (! UNION_OR_STRUCT_P (t->u.p) |
2149 | && t->u.p->kind != TYPE_PARAM_STRUCT) | |
e2500fed | 2150 | { |
3d7aafde | 2151 | error_at_line (d->line, |
17211ab5 GK |
2152 | "field `%s' is pointer to unimplemented type", |
2153 | d->val); | |
e2500fed GK |
2154 | break; |
2155 | } | |
3d7aafde | 2156 | |
b453c95f GK |
2157 | if (nested_ptr_d) |
2158 | { | |
2159 | const char *oldprevval2 = d->prev_val[2]; | |
2160 | ||
2161 | if (! UNION_OR_STRUCT_P (nested_ptr_d->type)) | |
2162 | { | |
2163 | error_at_line (d->line, | |
2164 | "field `%s' has invalid " | |
2165 | "option `nested_ptr'\n", | |
2166 | d->val); | |
2167 | return; | |
2168 | } | |
2169 | ||
2170 | d->prev_val[2] = d->val; | |
2171 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2172 | d->indent += 2; | |
2173 | d->val = xasprintf ("x%d", d->counter++); | |
d8044160 | 2174 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
b8698a0f L |
2175 | (nested_ptr_d->type->kind == TYPE_UNION |
2176 | ? "union" : "struct"), | |
2177 | nested_ptr_d->type->u.s.tag, | |
d8044160 GK |
2178 | d->fn_wants_lvalue ? "" : "const ", |
2179 | d->val); | |
b453c95f GK |
2180 | oprintf (d->of, "%*s", d->indent + 2, ""); |
2181 | output_escaped_param (d, nested_ptr_d->convert_from, | |
2182 | "nested_ptr"); | |
2183 | oprintf (d->of, ";\n"); | |
2184 | ||
2185 | d->process_field (nested_ptr_d->type, d); | |
2186 | ||
d8044160 GK |
2187 | if (d->fn_wants_lvalue) |
2188 | { | |
2189 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
2190 | d->prev_val[2]); | |
2191 | d->prev_val[2] = d->val; | |
2192 | output_escaped_param (d, nested_ptr_d->convert_to, | |
2193 | "nested_ptr"); | |
2194 | oprintf (d->of, ";\n"); | |
2195 | } | |
b453c95f GK |
2196 | |
2197 | d->indent -= 2; | |
2198 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2199 | d->val = d->prev_val[2]; | |
2200 | d->prev_val[2] = oldprevval2; | |
2201 | } | |
2202 | else | |
2203 | d->process_field (t->u.p, d); | |
e2500fed | 2204 | } |
3d7aafde | 2205 | else |
e2500fed | 2206 | { |
17211ab5 GK |
2207 | int loopcounter = d->counter++; |
2208 | const char *oldval = d->val; | |
2209 | const char *oldprevval3 = d->prev_val[3]; | |
e2500fed GK |
2210 | char *newval; |
2211 | ||
17211ab5 GK |
2212 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
2213 | d->indent += 2; | |
2214 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
a62a0172 | 2215 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, "", |
17211ab5 GK |
2216 | loopcounter, loopcounter); |
2217 | output_escaped_param (d, length, "length"); | |
2218 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
2219 | d->indent += 2; | |
2220 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2221 | d->used_length = 1; | |
2222 | d->prev_val[3] = oldval; | |
2223 | walk_type (t->u.p, d); | |
e2500fed | 2224 | free (newval); |
17211ab5 GK |
2225 | d->val = oldval; |
2226 | d->prev_val[3] = oldprevval3; | |
2227 | d->used_length = 0; | |
2228 | d->indent -= 2; | |
2229 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
4da6879c | 2230 | d->process_field(t, d); |
17211ab5 GK |
2231 | d->indent -= 2; |
2232 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e2500fed | 2233 | } |
17211ab5 GK |
2234 | } |
2235 | break; | |
e2500fed | 2236 | |
17211ab5 GK |
2237 | case TYPE_ARRAY: |
2238 | { | |
2239 | int loopcounter = d->counter++; | |
2240 | const char *oldval = d->val; | |
2241 | char *newval; | |
2242 | ||
6356f892 | 2243 | /* If it's an array of scalars, we optimize by not generating |
17211ab5 GK |
2244 | any code. */ |
2245 | if (t->u.a.p->kind == TYPE_SCALAR) | |
e2500fed | 2246 | break; |
3d7aafde | 2247 | |
5039610b SL |
2248 | /* When walking an array, compute the length and store it in a |
2249 | local variable before walking the array elements, instead of | |
2250 | recomputing the length expression each time through the loop. | |
2251 | This is necessary to handle tcc_vl_exp objects like CALL_EXPR, | |
2252 | where the length is stored in the first array element, | |
2253 | because otherwise that operand can get overwritten on the | |
2254 | first iteration. */ | |
17211ab5 GK |
2255 | oprintf (d->of, "%*s{\n", d->indent, ""); |
2256 | d->indent += 2; | |
2257 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
5039610b SL |
2258 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", |
2259 | d->indent, "", loopcounter); | |
17211ab5 GK |
2260 | if (length) |
2261 | output_escaped_param (d, length, "length"); | |
2262 | else | |
2263 | oprintf (d->of, "%s", t->u.a.len); | |
5039610b | 2264 | oprintf (d->of, ");\n"); |
b8698a0f | 2265 | |
5039610b SL |
2266 | oprintf (d->of, "%*sfor (i%d = 0; i%d != l%d; i%d++) {\n", |
2267 | d->indent, "", | |
2268 | loopcounter, loopcounter, loopcounter, loopcounter); | |
17211ab5 GK |
2269 | d->indent += 2; |
2270 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2271 | d->used_length = 1; | |
2272 | walk_type (t->u.a.p, d); | |
2273 | free (newval); | |
2274 | d->used_length = 0; | |
2275 | d->val = oldval; | |
2276 | d->indent -= 2; | |
2277 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2278 | d->indent -= 2; | |
2279 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2280 | } | |
2281 | break; | |
3d7aafde | 2282 | |
17211ab5 GK |
2283 | case TYPE_STRUCT: |
2284 | case TYPE_UNION: | |
2285 | { | |
2286 | pair_p f; | |
2287 | const char *oldval = d->val; | |
2288 | const char *oldprevval1 = d->prev_val[1]; | |
2289 | const char *oldprevval2 = d->prev_val[2]; | |
2290 | const int union_p = t->kind == TYPE_UNION; | |
2291 | int seen_default_p = 0; | |
2292 | options_p o; | |
2293 | ||
2294 | if (! t->u.s.line.file) | |
2295 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); | |
e2500fed | 2296 | |
17211ab5 | 2297 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
e2500fed | 2298 | { |
17211ab5 GK |
2299 | error_at_line (d->line, |
2300 | "structure `%s' defined for mismatching languages", | |
2301 | t->u.s.tag); | |
2302 | error_at_line (&t->u.s.line, "one structure defined here"); | |
2303 | } | |
e2500fed | 2304 | |
17211ab5 GK |
2305 | /* Some things may also be defined in the structure's options. */ |
2306 | for (o = t->u.s.opt; o; o = o->next) | |
2307 | if (! desc && strcmp (o->name, "desc") == 0) | |
9e2878cf | 2308 | desc = o->info; |
e2500fed | 2309 | |
17211ab5 GK |
2310 | d->prev_val[2] = oldval; |
2311 | d->prev_val[1] = oldprevval2; | |
2312 | if (union_p) | |
2313 | { | |
2314 | if (desc == NULL) | |
e2500fed | 2315 | { |
17211ab5 GK |
2316 | error_at_line (d->line, "missing `desc' option for union `%s'", |
2317 | t->u.s.tag); | |
2318 | desc = "1"; | |
e2500fed | 2319 | } |
17211ab5 GK |
2320 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
2321 | output_escaped_param (d, desc, "desc"); | |
2322 | oprintf (d->of, ")\n"); | |
2323 | d->indent += 2; | |
2324 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2325 | } | |
2326 | for (f = t->u.s.fields; f; f = f->next) | |
2327 | { | |
2328 | options_p oo; | |
2329 | const char *dot = "."; | |
2330 | const char *tagid = NULL; | |
2331 | int skip_p = 0; | |
2332 | int default_p = 0; | |
2333 | int use_param_p = 0; | |
2334 | char *newval; | |
2335 | ||
2336 | d->reorder_fn = NULL; | |
2337 | for (oo = f->opt; oo; oo = oo->next) | |
2338 | if (strcmp (oo->name, "dot") == 0) | |
9e2878cf | 2339 | dot = oo->info; |
17211ab5 | 2340 | else if (strcmp (oo->name, "tag") == 0) |
9e2878cf | 2341 | tagid = oo->info; |
17211ab5 GK |
2342 | else if (strcmp (oo->name, "skip") == 0) |
2343 | skip_p = 1; | |
2344 | else if (strcmp (oo->name, "default") == 0) | |
2345 | default_p = 1; | |
2346 | else if (strcmp (oo->name, "reorder") == 0) | |
9e2878cf | 2347 | d->reorder_fn = oo->info; |
17211ab5 GK |
2348 | else if (strncmp (oo->name, "use_param", 9) == 0 |
2349 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2350 | use_param_p = 1; | |
2351 | ||
2352 | if (skip_p) | |
2353 | continue; | |
2354 | ||
2355 | if (union_p && tagid) | |
e2500fed | 2356 | { |
17211ab5 GK |
2357 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
2358 | d->indent += 2; | |
e2500fed | 2359 | } |
17211ab5 | 2360 | else if (union_p && default_p) |
e2500fed | 2361 | { |
17211ab5 GK |
2362 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
2363 | d->indent += 2; | |
2364 | seen_default_p = 1; | |
e2500fed | 2365 | } |
17211ab5 | 2366 | else if (! union_p && (default_p || tagid)) |
3d7aafde | 2367 | error_at_line (d->line, |
17211ab5 GK |
2368 | "can't use `%s' outside a union on field `%s'", |
2369 | default_p ? "default" : "tag", f->name); | |
2370 | else if (union_p && ! (default_p || tagid) | |
2371 | && f->type->kind == TYPE_SCALAR) | |
e2500fed | 2372 | { |
17211ab5 GK |
2373 | fprintf (stderr, |
2374 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", | |
2375 | d->line->file, d->line->line, f->name); | |
2376 | continue; | |
e2500fed | 2377 | } |
17211ab5 | 2378 | else if (union_p && ! (default_p || tagid)) |
3d7aafde | 2379 | error_at_line (d->line, |
17211ab5 | 2380 | "field `%s' is missing `tag' or `default' option", |
e2500fed | 2381 | f->name); |
3d7aafde | 2382 | |
17211ab5 GK |
2383 | d->line = &f->line; |
2384 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
2385 | d->opt = f->opt; | |
d8044160 | 2386 | d->used_length = false; |
17211ab5 GK |
2387 | |
2388 | if (union_p && use_param_p && d->param == NULL) | |
b2d59f6f | 2389 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
17211ab5 GK |
2390 | else |
2391 | walk_type (f->type, d); | |
2392 | ||
2393 | free (newval); | |
2394 | ||
2395 | if (union_p) | |
e2500fed | 2396 | { |
17211ab5 GK |
2397 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
2398 | d->indent -= 2; | |
e2500fed | 2399 | } |
17211ab5 GK |
2400 | } |
2401 | d->reorder_fn = NULL; | |
e2500fed | 2402 | |
17211ab5 GK |
2403 | d->val = oldval; |
2404 | d->prev_val[1] = oldprevval1; | |
2405 | d->prev_val[2] = oldprevval2; | |
2406 | ||
2407 | if (union_p && ! seen_default_p) | |
2408 | { | |
2409 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
2410 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
2411 | } | |
2412 | if (union_p) | |
2413 | { | |
2414 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2415 | d->indent -= 2; | |
e2500fed | 2416 | } |
17211ab5 GK |
2417 | } |
2418 | break; | |
e2500fed | 2419 | |
17211ab5 GK |
2420 | case TYPE_LANG_STRUCT: |
2421 | { | |
2422 | type_p nt; | |
2423 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
2424 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
2425 | break; | |
2426 | if (nt == NULL) | |
2427 | error_at_line (d->line, "structure `%s' differs between languages", | |
2428 | t->u.s.tag); | |
2429 | else | |
2430 | walk_type (nt, d); | |
2431 | } | |
2432 | break; | |
2433 | ||
2434 | case TYPE_PARAM_STRUCT: | |
2435 | { | |
2436 | type_p *oldparam = d->param; | |
3d7aafde | 2437 | |
17211ab5 GK |
2438 | d->param = t->u.param_struct.param; |
2439 | walk_type (t->u.param_struct.stru, d); | |
2440 | d->param = oldparam; | |
2441 | } | |
2442 | break; | |
3d7aafde | 2443 | |
17211ab5 | 2444 | default: |
b2d59f6f | 2445 | gcc_unreachable (); |
e2500fed | 2446 | } |
17211ab5 GK |
2447 | } |
2448 | ||
2449 | /* process_field routine for marking routines. */ | |
2450 | ||
2451 | static void | |
3d7aafde | 2452 | write_types_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2453 | { |
2454 | const struct write_types_data *wtd; | |
f099d360 | 2455 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
17211ab5 | 2456 | wtd = (const struct write_types_data *) d->cookie; |
3d7aafde | 2457 | |
17211ab5 | 2458 | switch (f->kind) |
e2500fed | 2459 | { |
17211ab5 | 2460 | case TYPE_POINTER: |
3d7aafde | 2461 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
f099d360 | 2462 | wtd->subfield_marker_routine, cast, d->val); |
17211ab5 | 2463 | if (wtd->param_prefix) |
36a5eadd | 2464 | { |
17211ab5 GK |
2465 | oprintf (d->of, ", %s", d->prev_val[3]); |
2466 | if (d->orig_s) | |
2467 | { | |
2468 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
2469 | output_mangled_typename (d->of, d->orig_s); | |
2470 | } | |
2471 | else | |
2472 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
08cee789 DJ |
2473 | |
2474 | if (f->u.p->kind == TYPE_PARAM_STRUCT | |
2475 | && f->u.p->u.s.line.file != NULL) | |
2476 | { | |
2477 | oprintf (d->of, ", gt_e_"); | |
2478 | output_mangled_typename (d->of, f); | |
2479 | } | |
2480 | else if (UNION_OR_STRUCT_P (f) | |
2481 | && f->u.p->u.s.line.file != NULL) | |
2482 | { | |
2483 | oprintf (d->of, ", gt_ggc_e_"); | |
2484 | output_mangled_typename (d->of, f); | |
2485 | } | |
2486 | else | |
2487 | oprintf (d->of, ", gt_types_enum_last"); | |
36a5eadd | 2488 | } |
17211ab5 GK |
2489 | oprintf (d->of, ");\n"); |
2490 | if (d->reorder_fn && wtd->reorder_note_routine) | |
3d7aafde | 2491 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
f099d360 | 2492 | wtd->reorder_note_routine, cast, d->val, |
17211ab5 GK |
2493 | d->prev_val[3], d->reorder_fn); |
2494 | break; | |
2495 | ||
2496 | case TYPE_STRING: | |
17211ab5 GK |
2497 | case TYPE_STRUCT: |
2498 | case TYPE_UNION: | |
2499 | case TYPE_LANG_STRUCT: | |
2500 | case TYPE_PARAM_STRUCT: | |
2501 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
2502 | output_mangled_typename (d->of, f); | |
f099d360 | 2503 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
17211ab5 | 2504 | if (d->reorder_fn && wtd->reorder_note_routine) |
3d7aafde | 2505 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
f099d360 | 2506 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
17211ab5 GK |
2507 | d->reorder_fn); |
2508 | break; | |
2509 | ||
2510 | case TYPE_SCALAR: | |
2511 | break; | |
3d7aafde | 2512 | |
17211ab5 | 2513 | default: |
b2d59f6f | 2514 | gcc_unreachable (); |
e2500fed GK |
2515 | } |
2516 | } | |
2517 | ||
2d82317d RH |
2518 | /* A subroutine of write_func_for_structure. Write the enum tag for S. */ |
2519 | ||
2520 | static void | |
2521 | output_type_enum (outf_p of, type_p s) | |
2522 | { | |
2523 | if (s->kind == TYPE_PARAM_STRUCT && s->u.s.line.file != NULL) | |
2524 | { | |
2525 | oprintf (of, ", gt_e_"); | |
2526 | output_mangled_typename (of, s); | |
2527 | } | |
2528 | else if (UNION_OR_STRUCT_P (s) && s->u.s.line.file != NULL) | |
2529 | { | |
2530 | oprintf (of, ", gt_ggc_e_"); | |
2531 | output_mangled_typename (of, s); | |
2532 | } | |
2533 | else | |
2534 | oprintf (of, ", gt_types_enum_last"); | |
2535 | } | |
2536 | ||
17211ab5 GK |
2537 | /* For S, a structure that's part of ORIG_S, and using parameters |
2538 | PARAM, write out a routine that: | |
2539 | - Takes a parameter, a void * but actually of type *S | |
2540 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
2541 | field of S or its substructures and (in some cases) things | |
2542 | that are pointed to by S. | |
2543 | */ | |
9f313342 | 2544 | |
e2500fed | 2545 | static void |
8c80adb7 SB |
2546 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
2547 | const struct write_types_data *wtd) | |
e2500fed | 2548 | { |
36a5eadd GK |
2549 | const char *fn = s->u.s.line.file; |
2550 | int i; | |
2551 | const char *chain_next = NULL; | |
2552 | const char *chain_prev = NULL; | |
623f8e39 | 2553 | const char *chain_circular = NULL; |
8d6419b2 | 2554 | const char *mark_hook_name = NULL; |
36a5eadd | 2555 | options_p opt; |
17211ab5 | 2556 | struct walk_type_data d; |
3d7aafde | 2557 | |
36a5eadd GK |
2558 | /* This is a hack, and not the good kind either. */ |
2559 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2560 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
36a5eadd GK |
2561 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2562 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2563 | |
17211ab5 GK |
2564 | memset (&d, 0, sizeof (d)); |
2565 | d.of = get_output_file_with_visibility (fn); | |
3d7aafde | 2566 | |
36a5eadd GK |
2567 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2568 | if (strcmp (opt->name, "chain_next") == 0) | |
9e2878cf | 2569 | chain_next = opt->info; |
36a5eadd | 2570 | else if (strcmp (opt->name, "chain_prev") == 0) |
9e2878cf | 2571 | chain_prev = opt->info; |
623f8e39 JJ |
2572 | else if (strcmp (opt->name, "chain_circular") == 0) |
2573 | chain_circular = opt->info; | |
8d6419b2 BS |
2574 | else if (strcmp (opt->name, "mark_hook") == 0) |
2575 | mark_hook_name = opt->info; | |
36a5eadd GK |
2576 | |
2577 | if (chain_prev != NULL && chain_next == NULL) | |
2578 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
623f8e39 JJ |
2579 | if (chain_circular != NULL && chain_next != NULL) |
2580 | error_at_line (&s->u.s.line, "chain_circular with chain_next"); | |
2581 | if (chain_circular != NULL) | |
2582 | chain_next = chain_circular; | |
36a5eadd | 2583 | |
17211ab5 GK |
2584 | d.process_field = write_types_process_field; |
2585 | d.cookie = wtd; | |
2586 | d.orig_s = orig_s; | |
2587 | d.opt = s->u.s.opt; | |
2588 | d.line = &s->u.s.line; | |
2589 | d.bitmap = s->u.s.bitmap; | |
2590 | d.param = param; | |
2591 | d.prev_val[0] = "*x"; | |
e0a21ab9 | 2592 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2593 | d.prev_val[3] = "x"; |
2594 | d.val = "(*x)"; | |
2595 | ||
2596 | oprintf (d.of, "\n"); | |
2597 | oprintf (d.of, "void\n"); | |
e2500fed | 2598 | if (param == NULL) |
17211ab5 | 2599 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
e2500fed | 2600 | else |
36a5eadd | 2601 | { |
17211ab5 GK |
2602 | oprintf (d.of, "gt_%s_", wtd->prefix); |
2603 | output_mangled_typename (d.of, orig_s); | |
36a5eadd | 2604 | } |
6906ba40 | 2605 | oprintf (d.of, " (void *x_p)\n"); |
17211ab5 GK |
2606 | oprintf (d.of, "{\n"); |
2607 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
e2500fed | 2608 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
36a5eadd | 2609 | chain_next == NULL ? "const " : "", |
e2500fed | 2610 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
36a5eadd | 2611 | if (chain_next != NULL) |
17211ab5 | 2612 | oprintf (d.of, " %s %s * xlimit = x;\n", |
36a5eadd GK |
2613 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
2614 | if (chain_next == NULL) | |
17211ab5 GK |
2615 | { |
2616 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
2617 | if (wtd->param_prefix) | |
2618 | { | |
2619 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
2620 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2621 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2622 | } |
2623 | oprintf (d.of, "))\n"); | |
2624 | } | |
36a5eadd GK |
2625 | else |
2626 | { | |
623f8e39 JJ |
2627 | if (chain_circular != NULL) |
2628 | oprintf (d.of, " if (!%s (xlimit", wtd->marker_routine); | |
2629 | else | |
2630 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
17211ab5 GK |
2631 | if (wtd->param_prefix) |
2632 | { | |
2633 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2634 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2635 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2636 | } |
2637 | oprintf (d.of, "))\n"); | |
623f8e39 JJ |
2638 | if (chain_circular != NULL) |
2639 | oprintf (d.of, " return;\n do\n"); | |
8d6419b2 BS |
2640 | if (mark_hook_name && !wtd->skip_hooks) |
2641 | { | |
2642 | oprintf (d.of, " {\n"); | |
2643 | oprintf (d.of, " %s (xlimit);\n ", mark_hook_name); | |
2644 | } | |
17211ab5 GK |
2645 | oprintf (d.of, " xlimit = ("); |
2646 | d.prev_val[2] = "*xlimit"; | |
2647 | output_escaped_param (&d, chain_next, "chain_next"); | |
2648 | oprintf (d.of, ");\n"); | |
8d6419b2 BS |
2649 | if (mark_hook_name && !wtd->skip_hooks) |
2650 | oprintf (d.of, " }\n"); | |
36a5eadd GK |
2651 | if (chain_prev != NULL) |
2652 | { | |
17211ab5 GK |
2653 | oprintf (d.of, " if (x != xlimit)\n"); |
2654 | oprintf (d.of, " for (;;)\n"); | |
2655 | oprintf (d.of, " {\n"); | |
2656 | oprintf (d.of, " %s %s * const xprev = (", | |
36a5eadd | 2657 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
3d7aafde | 2658 | |
17211ab5 GK |
2659 | d.prev_val[2] = "*x"; |
2660 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
2661 | oprintf (d.of, ");\n"); | |
2662 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
2663 | oprintf (d.of, " x = xprev;\n"); | |
3d7aafde | 2664 | oprintf (d.of, " (void) %s (xprev", |
17211ab5 GK |
2665 | wtd->marker_routine); |
2666 | if (wtd->param_prefix) | |
2667 | { | |
2668 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
2669 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2670 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2671 | } |
2672 | oprintf (d.of, ");\n"); | |
2673 | oprintf (d.of, " }\n"); | |
36a5eadd | 2674 | } |
623f8e39 JJ |
2675 | if (chain_circular != NULL) |
2676 | { | |
2677 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
2678 | if (wtd->param_prefix) | |
2679 | { | |
2680 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2681 | output_mangled_typename (d.of, orig_s); | |
2682 | output_type_enum (d.of, orig_s); | |
2683 | } | |
2684 | oprintf (d.of, "));\n"); | |
2685 | if (mark_hook_name && !wtd->skip_hooks) | |
2686 | oprintf (d.of, " %s (xlimit);\n", mark_hook_name); | |
2687 | oprintf (d.of, " do\n"); | |
2688 | } | |
2689 | else | |
2690 | oprintf (d.of, " while (x != xlimit)\n"); | |
36a5eadd | 2691 | } |
17211ab5 | 2692 | oprintf (d.of, " {\n"); |
8d6419b2 BS |
2693 | if (mark_hook_name && chain_next == NULL && !wtd->skip_hooks) |
2694 | { | |
2695 | oprintf (d.of, " %s (x);\n", mark_hook_name); | |
2696 | } | |
17211ab5 GK |
2697 | d.prev_val[2] = "*x"; |
2698 | d.indent = 6; | |
2699 | walk_type (s, &d); | |
3d7aafde | 2700 | |
36a5eadd GK |
2701 | if (chain_next != NULL) |
2702 | { | |
17211ab5 GK |
2703 | oprintf (d.of, " x = ("); |
2704 | output_escaped_param (&d, chain_next, "chain_next"); | |
2705 | oprintf (d.of, ");\n"); | |
36a5eadd GK |
2706 | } |
2707 | ||
17211ab5 | 2708 | oprintf (d.of, " }\n"); |
623f8e39 JJ |
2709 | if (chain_circular != NULL) |
2710 | oprintf (d.of, " while (x != xlimit);\n"); | |
17211ab5 | 2711 | oprintf (d.of, "}\n"); |
e2500fed | 2712 | } |
9f313342 GK |
2713 | |
2714 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
e2500fed GK |
2715 | |
2716 | static void | |
0182d016 | 2717 | write_types (outf_p output_header, type_p structures, type_p param_structs, |
3d7aafde | 2718 | const struct write_types_data *wtd) |
e2500fed GK |
2719 | { |
2720 | type_p s; | |
3d7aafde | 2721 | |
0182d016 | 2722 | oprintf (output_header, "\n/* %s*/\n", wtd->comment); |
c802b1cf BS |
2723 | /* We first emit the macros and the declarations. Functions' code is |
2724 | emitted afterwards. This is needed in plugin mode. */ | |
2725 | oprintf (output_header, "/* macros and declarations */\n"); | |
e2500fed GK |
2726 | for (s = structures; s; s = s->next) |
2727 | if (s->gc_used == GC_POINTED_TO | |
2728 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2729 | { | |
2730 | options_p opt; | |
3d7aafde | 2731 | |
e2500fed GK |
2732 | if (s->gc_used == GC_MAYBE_POINTED_TO |
2733 | && s->u.s.line.file == NULL) | |
2734 | continue; | |
2735 | ||
0182d016 BS |
2736 | oprintf (output_header, "#define gt_%s_", wtd->prefix); |
2737 | output_mangled_typename (output_header, s); | |
2738 | oprintf (output_header, "(X) do { \\\n"); | |
2739 | oprintf (output_header, | |
3d7aafde | 2740 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
17211ab5 | 2741 | s->u.s.tag); |
0182d016 | 2742 | oprintf (output_header, |
e2500fed | 2743 | " } while (0)\n"); |
3d7aafde | 2744 | |
e2500fed GK |
2745 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2746 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2747 | { | |
e5cfc29f | 2748 | const_type_p const t = (const_type_p) opt->info; |
3d7aafde | 2749 | if (t->kind == TYPE_STRUCT |
e2500fed GK |
2750 | || t->kind == TYPE_UNION |
2751 | || t->kind == TYPE_LANG_STRUCT) | |
0182d016 | 2752 | oprintf (output_header, |
17211ab5 GK |
2753 | "#define gt_%sx_%s gt_%sx_%s\n", |
2754 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
e2500fed | 2755 | else |
3d7aafde | 2756 | error_at_line (&s->u.s.line, |
e2500fed GK |
2757 | "structure alias is not a structure"); |
2758 | break; | |
2759 | } | |
2760 | if (opt) | |
2761 | continue; | |
2762 | ||
2763 | /* Declare the marker procedure only once. */ | |
0182d016 | 2764 | oprintf (output_header, |
3d7aafde | 2765 | "extern void gt_%sx_%s (void *);\n", |
17211ab5 | 2766 | wtd->prefix, s->u.s.tag); |
3d7aafde | 2767 | |
e2500fed GK |
2768 | if (s->u.s.line.file == NULL) |
2769 | { | |
3d7aafde | 2770 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2771 | s->u.s.tag); |
2772 | continue; | |
2773 | } | |
e2500fed GK |
2774 | } |
2775 | ||
2776 | for (s = param_structs; s; s = s->next) | |
2777 | if (s->gc_used == GC_POINTED_TO) | |
2778 | { | |
e2500fed GK |
2779 | type_p stru = s->u.param_struct.stru; |
2780 | ||
e2500fed | 2781 | /* Declare the marker procedure. */ |
0182d016 BS |
2782 | oprintf (output_header, "extern void gt_%s_", wtd->prefix); |
2783 | output_mangled_typename (output_header, s); | |
2784 | oprintf (output_header, " (void *);\n"); | |
3d7aafde | 2785 | |
e2500fed GK |
2786 | if (stru->u.s.line.file == NULL) |
2787 | { | |
3d7aafde | 2788 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2789 | s->u.s.tag); |
2790 | continue; | |
2791 | } | |
c802b1cf | 2792 | } |
b8698a0f L |
2793 | |
2794 | /* At last we emit the functions code. */ | |
c802b1cf BS |
2795 | oprintf (output_header, "\n/* functions code */\n"); |
2796 | for (s = structures; s; s = s->next) | |
2797 | if (s->gc_used == GC_POINTED_TO | |
2798 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2799 | { | |
2800 | options_p opt; | |
3d7aafde | 2801 | |
c802b1cf BS |
2802 | if (s->gc_used == GC_MAYBE_POINTED_TO |
2803 | && s->u.s.line.file == NULL) | |
2804 | continue; | |
2805 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2806 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2807 | break; | |
2808 | if (opt) | |
2809 | continue; | |
b8698a0f | 2810 | |
c802b1cf BS |
2811 | if (s->kind == TYPE_LANG_STRUCT) |
2812 | { | |
2813 | type_p ss; | |
2814 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2815 | write_func_for_structure (s, ss, NULL, wtd); | |
2816 | } | |
2817 | else | |
2818 | write_func_for_structure (s, s, NULL, wtd); | |
2819 | } | |
2820 | for (s = param_structs; s; s = s->next) | |
2821 | if (s->gc_used == GC_POINTED_TO) | |
2822 | { | |
2823 | type_p *param = s->u.param_struct.param; | |
2824 | type_p stru = s->u.param_struct.stru; | |
2825 | if (stru->u.s.line.file == NULL) | |
2826 | continue; | |
e2500fed GK |
2827 | if (stru->kind == TYPE_LANG_STRUCT) |
2828 | { | |
2829 | type_p ss; | |
2830 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 GK |
2831 | write_func_for_structure (s, ss, param, wtd); |
2832 | } | |
2833 | else | |
2834 | write_func_for_structure (s, stru, param, wtd); | |
2835 | } | |
2836 | } | |
2837 | ||
2838 | static const struct write_types_data ggc_wtd = | |
2839 | { | |
2840 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, | |
8d6419b2 BS |
2841 | "GC marker procedures. ", |
2842 | FALSE | |
17211ab5 GK |
2843 | }; |
2844 | ||
2845 | static const struct write_types_data pch_wtd = | |
2846 | { | |
2847 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", | |
2848 | "gt_pch_note_reorder", | |
8d6419b2 BS |
2849 | "PCH type-walking procedures. ", |
2850 | TRUE | |
17211ab5 GK |
2851 | }; |
2852 | ||
2853 | /* Write out the local pointer-walking routines. */ | |
2854 | ||
2855 | /* process_field routine for local pointer-walking. */ | |
2856 | ||
2857 | static void | |
3d7aafde | 2858 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2859 | { |
2860 | switch (f->kind) | |
2861 | { | |
2862 | case TYPE_POINTER: | |
2863 | case TYPE_STRUCT: | |
2864 | case TYPE_UNION: | |
2865 | case TYPE_LANG_STRUCT: | |
2866 | case TYPE_PARAM_STRUCT: | |
2867 | case TYPE_STRING: | |
2868 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
2869 | d->prev_val[3]); | |
2870 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
2871 | break; | |
2872 | ||
2873 | case TYPE_SCALAR: | |
2874 | break; | |
3d7aafde | 2875 | |
17211ab5 | 2876 | default: |
b2d59f6f | 2877 | gcc_unreachable (); |
17211ab5 GK |
2878 | } |
2879 | } | |
2880 | ||
2881 | /* For S, a structure that's part of ORIG_S, and using parameters | |
2882 | PARAM, write out a routine that: | |
2883 | - Is of type gt_note_pointers | |
d8044160 | 2884 | - Calls PROCESS_FIELD on each field of S or its substructures. |
17211ab5 GK |
2885 | */ |
2886 | ||
2887 | static void | |
3d7aafde | 2888 | write_local_func_for_structure (type_p orig_s, type_p s, type_p *param) |
17211ab5 GK |
2889 | { |
2890 | const char *fn = s->u.s.line.file; | |
2891 | int i; | |
2892 | struct walk_type_data d; | |
3d7aafde | 2893 | |
17211ab5 GK |
2894 | /* This is a hack, and not the good kind either. */ |
2895 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3d7aafde | 2896 | if (param && param[i] && param[i]->kind == TYPE_POINTER |
17211ab5 GK |
2897 | && UNION_OR_STRUCT_P (param[i]->u.p)) |
2898 | fn = param[i]->u.p->u.s.line.file; | |
3d7aafde | 2899 | |
17211ab5 GK |
2900 | memset (&d, 0, sizeof (d)); |
2901 | d.of = get_output_file_with_visibility (fn); | |
17211ab5 GK |
2902 | d.process_field = write_types_local_process_field; |
2903 | d.opt = s->u.s.opt; | |
2904 | d.line = &s->u.s.line; | |
2905 | d.bitmap = s->u.s.bitmap; | |
2906 | d.param = param; | |
2907 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
e0a21ab9 | 2908 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2909 | d.prev_val[3] = "x"; |
2910 | d.val = "(*x)"; | |
d8044160 | 2911 | d.fn_wants_lvalue = true; |
17211ab5 GK |
2912 | |
2913 | oprintf (d.of, "\n"); | |
2914 | oprintf (d.of, "void\n"); | |
2915 | oprintf (d.of, "gt_pch_p_"); | |
2916 | output_mangled_typename (d.of, orig_s); | |
e18476eb BI |
2917 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
2918 | "\tvoid *x_p,\n" | |
2919 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
2920 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
17211ab5 GK |
2921 | oprintf (d.of, "{\n"); |
2922 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
2923 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
2924 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
2925 | d.indent = 2; | |
2926 | walk_type (s, &d); | |
2927 | oprintf (d.of, "}\n"); | |
2928 | } | |
2929 | ||
2930 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
2931 | ||
2932 | static void | |
0182d016 | 2933 | write_local (outf_p output_header, type_p structures, type_p param_structs) |
17211ab5 GK |
2934 | { |
2935 | type_p s; | |
3d7aafde | 2936 | |
b8698a0f | 2937 | if (!output_header) |
bd117bb6 | 2938 | return; |
0182d016 | 2939 | oprintf (output_header, "\n/* Local pointer-walking routines. */\n"); |
17211ab5 GK |
2940 | for (s = structures; s; s = s->next) |
2941 | if (s->gc_used == GC_POINTED_TO | |
2942 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
2943 | { | |
2944 | options_p opt; | |
3d7aafde | 2945 | |
17211ab5 GK |
2946 | if (s->u.s.line.file == NULL) |
2947 | continue; | |
2948 | ||
2949 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2950 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2951 | { | |
e5cfc29f | 2952 | const_type_p const t = (const_type_p) opt->info; |
3d7aafde | 2953 | if (t->kind == TYPE_STRUCT |
17211ab5 GK |
2954 | || t->kind == TYPE_UNION |
2955 | || t->kind == TYPE_LANG_STRUCT) | |
2956 | { | |
0182d016 BS |
2957 | oprintf (output_header, "#define gt_pch_p_"); |
2958 | output_mangled_typename (output_header, s); | |
2959 | oprintf (output_header, " gt_pch_p_"); | |
2960 | output_mangled_typename (output_header, t); | |
2961 | oprintf (output_header, "\n"); | |
17211ab5 GK |
2962 | } |
2963 | else | |
3d7aafde | 2964 | error_at_line (&s->u.s.line, |
17211ab5 GK |
2965 | "structure alias is not a structure"); |
2966 | break; | |
2967 | } | |
2968 | if (opt) | |
2969 | continue; | |
2970 | ||
2971 | /* Declare the marker procedure only once. */ | |
0182d016 BS |
2972 | oprintf (output_header, "extern void gt_pch_p_"); |
2973 | output_mangled_typename (output_header, s); | |
2974 | oprintf (output_header, | |
3d7aafde AJ |
2975 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
2976 | ||
17211ab5 GK |
2977 | if (s->kind == TYPE_LANG_STRUCT) |
2978 | { | |
2979 | type_p ss; | |
2980 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2981 | write_local_func_for_structure (s, ss, NULL); | |
2982 | } | |
2983 | else | |
2984 | write_local_func_for_structure (s, s, NULL); | |
2985 | } | |
2986 | ||
2987 | for (s = param_structs; s; s = s->next) | |
2988 | if (s->gc_used == GC_POINTED_TO) | |
2989 | { | |
2990 | type_p * param = s->u.param_struct.param; | |
2991 | type_p stru = s->u.param_struct.stru; | |
2992 | ||
2993 | /* Declare the marker procedure. */ | |
0182d016 BS |
2994 | oprintf (output_header, "extern void gt_pch_p_"); |
2995 | output_mangled_typename (output_header, s); | |
2996 | oprintf (output_header, | |
3d7aafde AJ |
2997 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
2998 | ||
17211ab5 GK |
2999 | if (stru->u.s.line.file == NULL) |
3000 | { | |
3d7aafde | 3001 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
17211ab5 GK |
3002 | s->u.s.tag); |
3003 | continue; | |
3004 | } | |
3d7aafde | 3005 | |
17211ab5 GK |
3006 | if (stru->kind == TYPE_LANG_STRUCT) |
3007 | { | |
3008 | type_p ss; | |
3009 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
3010 | write_local_func_for_structure (s, ss, param); | |
e2500fed GK |
3011 | } |
3012 | else | |
17211ab5 | 3013 | write_local_func_for_structure (s, stru, param); |
36a5eadd GK |
3014 | } |
3015 | } | |
3016 | ||
3017 | /* Write out the 'enum' definition for gt_types_enum. */ | |
3018 | ||
3019 | static void | |
8c80adb7 | 3020 | write_enum_defn (type_p structures, type_p param_structs) |
36a5eadd GK |
3021 | { |
3022 | type_p s; | |
3d7aafde | 3023 | |
b8698a0f | 3024 | if (!header_file) |
bd117bb6 | 3025 | return; |
36a5eadd GK |
3026 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
3027 | oprintf (header_file, "enum gt_types_enum {\n"); | |
3028 | for (s = structures; s; s = s->next) | |
3029 | if (s->gc_used == GC_POINTED_TO | |
3030 | || s->gc_used == GC_MAYBE_POINTED_TO) | |
3031 | { | |
3032 | if (s->gc_used == GC_MAYBE_POINTED_TO | |
3033 | && s->u.s.line.file == NULL) | |
3034 | continue; | |
3035 | ||
3036 | oprintf (header_file, " gt_ggc_e_"); | |
3037 | output_mangled_typename (header_file, s); | |
3038 | oprintf (header_file, ", \n"); | |
e2500fed | 3039 | } |
36a5eadd GK |
3040 | for (s = param_structs; s; s = s->next) |
3041 | if (s->gc_used == GC_POINTED_TO) | |
3042 | { | |
3043 | oprintf (header_file, " gt_e_"); | |
3044 | output_mangled_typename (header_file, s); | |
3045 | oprintf (header_file, ", \n"); | |
3046 | } | |
3047 | oprintf (header_file, " gt_types_enum_last\n"); | |
3048 | oprintf (header_file, "};\n"); | |
e2500fed GK |
3049 | } |
3050 | ||
17211ab5 GK |
3051 | /* Might T contain any non-pointer elements? */ |
3052 | ||
3053 | static int | |
3d7aafde | 3054 | contains_scalar_p (type_p t) |
17211ab5 GK |
3055 | { |
3056 | switch (t->kind) | |
3057 | { | |
3058 | case TYPE_STRING: | |
3059 | case TYPE_POINTER: | |
3060 | return 0; | |
3061 | case TYPE_ARRAY: | |
3062 | return contains_scalar_p (t->u.a.p); | |
3063 | default: | |
3064 | /* Could also check for structures that have no non-pointer | |
3065 | fields, but there aren't enough of those to worry about. */ | |
3066 | return 1; | |
3067 | } | |
3068 | } | |
36a5eadd | 3069 | |
9f313342 GK |
3070 | /* Mangle FN and print it to F. */ |
3071 | ||
e2500fed | 3072 | static void |
3d7aafde | 3073 | put_mangled_filename (outf_p f, const char *fn) |
e2500fed GK |
3074 | { |
3075 | const char *name = get_output_file_name (fn); | |
b8698a0f | 3076 | if (!f || !name) |
bd117bb6 | 3077 | return; |
e2500fed | 3078 | for (; *name != 0; name++) |
1f8e4682 | 3079 | if (ISALNUM (*name)) |
e03856fe | 3080 | oprintf (f, "%c", *name); |
e2500fed | 3081 | else |
e03856fe | 3082 | oprintf (f, "%c", '_'); |
e2500fed GK |
3083 | } |
3084 | ||
9f313342 GK |
3085 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
3086 | LASTNAME, and NAME are all strings to insert in various places in | |
3087 | the resulting code. */ | |
3088 | ||
e2500fed | 3089 | static void |
3d7aafde AJ |
3090 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
3091 | const char *tname, const char *name) | |
e2500fed GK |
3092 | { |
3093 | struct flist *fli2; | |
3d7aafde | 3094 | |
e2500fed GK |
3095 | for (fli2 = flp; fli2; fli2 = fli2->next) |
3096 | if (fli2->started_p) | |
3097 | { | |
e03856fe GK |
3098 | oprintf (fli2->f, " %s\n", lastname); |
3099 | oprintf (fli2->f, "};\n\n"); | |
e2500fed GK |
3100 | } |
3101 | ||
bd117bb6 | 3102 | for (fli2 = flp; fli2 && base_files; fli2 = fli2->next) |
e2500fed GK |
3103 | if (fli2->started_p) |
3104 | { | |
11a67599 | 3105 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
e2500fed GK |
3106 | int fnum; |
3107 | ||
3108 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
3109 | if (bitmap & 1) | |
3110 | { | |
e03856fe | 3111 | oprintf (base_files[fnum], |
17211ab5 | 3112 | "extern const struct %s gt_%s_", |
e2500fed GK |
3113 | tname, pfx); |
3114 | put_mangled_filename (base_files[fnum], fli2->name); | |
e03856fe | 3115 | oprintf (base_files[fnum], "[];\n"); |
e2500fed GK |
3116 | } |
3117 | } | |
3d7aafde | 3118 | |
17211ab5 GK |
3119 | { |
3120 | size_t fnum; | |
bd117bb6 | 3121 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
17211ab5 | 3122 | oprintf (base_files [fnum], |
6bc7bc14 | 3123 | "EXPORTED_CONST struct %s * const %s[] = {\n", |
17211ab5 GK |
3124 | tname, name); |
3125 | } | |
3d7aafde | 3126 | |
e2500fed GK |
3127 | |
3128 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
3129 | if (fli2->started_p) | |
3130 | { | |
11a67599 | 3131 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
e2500fed GK |
3132 | int fnum; |
3133 | ||
3134 | fli2->started_p = 0; | |
3135 | ||
bd117bb6 | 3136 | for (fnum = 0; base_files && bitmap != 0; fnum++, bitmap >>= 1) |
e2500fed GK |
3137 | if (bitmap & 1) |
3138 | { | |
17211ab5 | 3139 | oprintf (base_files[fnum], " gt_%s_", pfx); |
e2500fed | 3140 | put_mangled_filename (base_files[fnum], fli2->name); |
e03856fe | 3141 | oprintf (base_files[fnum], ",\n"); |
e2500fed GK |
3142 | } |
3143 | } | |
3144 | ||
3145 | { | |
17211ab5 | 3146 | size_t fnum; |
bd117bb6 | 3147 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
17211ab5 GK |
3148 | { |
3149 | oprintf (base_files[fnum], " NULL\n"); | |
3150 | oprintf (base_files[fnum], "};\n"); | |
3151 | } | |
e2500fed GK |
3152 | } |
3153 | } | |
3154 | ||
9f313342 GK |
3155 | /* Write out to F the table entry and any marker routines needed to |
3156 | mark NAME as TYPE. The original variable is V, at LINE. | |
3157 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED | |
3158 | is nonzero iff we are building the root table for hash table caches. */ | |
3159 | ||
e2500fed | 3160 | static void |
3d7aafde | 3161 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
99be7084 | 3162 | struct fileloc *line, const char *if_marked, bool emit_pch) |
e2500fed GK |
3163 | { |
3164 | switch (type->kind) | |
3165 | { | |
3166 | case TYPE_STRUCT: | |
3167 | { | |
3168 | pair_p fld; | |
3169 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
3170 | { | |
3171 | int skip_p = 0; | |
3172 | const char *desc = NULL; | |
3173 | options_p o; | |
3d7aafde | 3174 | |
e2500fed GK |
3175 | for (o = fld->opt; o; o = o->next) |
3176 | if (strcmp (o->name, "skip") == 0) | |
3177 | skip_p = 1; | |
3178 | else if (strcmp (o->name, "desc") == 0) | |
9e2878cf | 3179 | desc = o->info; |
69c32ec8 JH |
3180 | else if (strcmp (o->name, "param_is") == 0) |
3181 | ; | |
e2500fed GK |
3182 | else |
3183 | error_at_line (line, | |
3184 | "field `%s' of global `%s' has unknown option `%s'", | |
3185 | fld->name, name, o->name); | |
3d7aafde | 3186 | |
e2500fed GK |
3187 | if (skip_p) |
3188 | continue; | |
3189 | else if (desc && fld->type->kind == TYPE_UNION) | |
3190 | { | |
3191 | pair_p validf = NULL; | |
3192 | pair_p ufld; | |
3d7aafde | 3193 | |
e2500fed GK |
3194 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
3195 | { | |
3196 | const char *tag = NULL; | |
3197 | options_p oo; | |
3d7aafde | 3198 | |
e2500fed GK |
3199 | for (oo = ufld->opt; oo; oo = oo->next) |
3200 | if (strcmp (oo->name, "tag") == 0) | |
9e2878cf | 3201 | tag = oo->info; |
e2500fed GK |
3202 | if (tag == NULL || strcmp (tag, desc) != 0) |
3203 | continue; | |
3204 | if (validf != NULL) | |
3d7aafde | 3205 | error_at_line (line, |
e2500fed GK |
3206 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
3207 | name, fld->name, validf->name, | |
3208 | name, fld->name, ufld->name, | |
3209 | tag); | |
3210 | validf = ufld; | |
3211 | } | |
3212 | if (validf != NULL) | |
3213 | { | |
3214 | char *newname; | |
3d7aafde | 3215 | newname = xasprintf ("%s.%s.%s", |
e03856fe | 3216 | name, fld->name, validf->name); |
17211ab5 | 3217 | write_root (f, v, validf->type, newname, 0, line, |
99be7084 | 3218 | if_marked, emit_pch); |
e2500fed GK |
3219 | free (newname); |
3220 | } | |
3221 | } | |
3222 | else if (desc) | |
3d7aafde | 3223 | error_at_line (line, |
e2500fed GK |
3224 | "global `%s.%s' has `desc' option but is not union", |
3225 | name, fld->name); | |
3226 | else | |
3227 | { | |
3228 | char *newname; | |
e03856fe | 3229 | newname = xasprintf ("%s.%s", name, fld->name); |
99be7084 BS |
3230 | write_root (f, v, fld->type, newname, 0, line, if_marked, |
3231 | emit_pch); | |
e2500fed GK |
3232 | free (newname); |
3233 | } | |
3234 | } | |
3235 | } | |
3236 | break; | |
3237 | ||
3238 | case TYPE_ARRAY: | |
3239 | { | |
3240 | char *newname; | |
e03856fe | 3241 | newname = xasprintf ("%s[0]", name); |
99be7084 BS |
3242 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked, |
3243 | emit_pch); | |
e2500fed GK |
3244 | free (newname); |
3245 | } | |
3246 | break; | |
3d7aafde | 3247 | |
e2500fed GK |
3248 | case TYPE_POINTER: |
3249 | { | |
3250 | type_p ap, tp; | |
3d7aafde | 3251 | |
e03856fe GK |
3252 | oprintf (f, " {\n"); |
3253 | oprintf (f, " &%s,\n", name); | |
3254 | oprintf (f, " 1"); | |
3d7aafde | 3255 | |
e2500fed GK |
3256 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
3257 | if (ap->u.a.len[0]) | |
e03856fe | 3258 | oprintf (f, " * (%s)", ap->u.a.len); |
e2500fed | 3259 | else if (ap == v->type) |
62c71f4b | 3260 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); |
e03856fe GK |
3261 | oprintf (f, ",\n"); |
3262 | oprintf (f, " sizeof (%s", v->name); | |
e2500fed | 3263 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) |
e03856fe GK |
3264 | oprintf (f, "[0]"); |
3265 | oprintf (f, "),\n"); | |
3d7aafde | 3266 | |
e2500fed | 3267 | tp = type->u.p; |
3d7aafde | 3268 | |
e2500fed GK |
3269 | if (! has_length && UNION_OR_STRUCT_P (tp)) |
3270 | { | |
17211ab5 | 3271 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
99be7084 BS |
3272 | if (emit_pch) |
3273 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
3274 | else | |
3275 | oprintf (f, " NULL"); | |
e2500fed GK |
3276 | } |
3277 | else if (! has_length && tp->kind == TYPE_PARAM_STRUCT) | |
3278 | { | |
36a5eadd GK |
3279 | oprintf (f, " >_ggc_m_"); |
3280 | output_mangled_typename (f, tp); | |
99be7084 BS |
3281 | if (emit_pch) |
3282 | { | |
3283 | oprintf (f, ",\n >_pch_n_"); | |
3284 | output_mangled_typename (f, tp); | |
3285 | } | |
3286 | else | |
3287 | oprintf (f, ",\n NULL"); | |
e2500fed GK |
3288 | } |
3289 | else if (has_length | |
afb0f770 | 3290 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
e2500fed | 3291 | { |
17211ab5 | 3292 | oprintf (f, " >_ggc_ma_%s,\n", name); |
99be7084 BS |
3293 | if (emit_pch) |
3294 | oprintf (f, " >_pch_na_%s", name); | |
3295 | else | |
3296 | oprintf (f, " NULL"); | |
e2500fed GK |
3297 | } |
3298 | else | |
3299 | { | |
3d7aafde | 3300 | error_at_line (line, |
e2500fed GK |
3301 | "global `%s' is pointer to unimplemented type", |
3302 | name); | |
3303 | } | |
3304 | if (if_marked) | |
e03856fe GK |
3305 | oprintf (f, ",\n &%s", if_marked); |
3306 | oprintf (f, "\n },\n"); | |
e2500fed GK |
3307 | } |
3308 | break; | |
3309 | ||
e2500fed | 3310 | case TYPE_STRING: |
17211ab5 GK |
3311 | { |
3312 | oprintf (f, " {\n"); | |
3313 | oprintf (f, " &%s,\n", name); | |
3314 | oprintf (f, " 1, \n"); | |
3315 | oprintf (f, " sizeof (%s),\n", v->name); | |
dae4174e | 3316 | oprintf (f, " (gt_pointer_walker) >_ggc_m_S,\n"); |
f099d360 | 3317 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
17211ab5 GK |
3318 | oprintf (f, " },\n"); |
3319 | } | |
3320 | break; | |
3d7aafde | 3321 | |
17211ab5 | 3322 | case TYPE_SCALAR: |
e2500fed | 3323 | break; |
3d7aafde | 3324 | |
e2500fed | 3325 | default: |
3d7aafde | 3326 | error_at_line (line, |
e2500fed GK |
3327 | "global `%s' is unimplemented type", |
3328 | name); | |
3329 | } | |
3330 | } | |
3331 | ||
17211ab5 GK |
3332 | /* This generates a routine to walk an array. */ |
3333 | ||
3334 | static void | |
3d7aafde | 3335 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
17211ab5 GK |
3336 | { |
3337 | struct walk_type_data d; | |
3338 | char *prevval3; | |
3d7aafde | 3339 | |
17211ab5 GK |
3340 | memset (&d, 0, sizeof (d)); |
3341 | d.of = f; | |
3342 | d.cookie = wtd; | |
3343 | d.indent = 2; | |
3344 | d.line = &v->line; | |
3345 | d.opt = v->opt; | |
11a67599 | 3346 | d.bitmap = get_lang_bitmap (v->line.file); |
17211ab5 GK |
3347 | d.param = NULL; |
3348 | ||
3349 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
3350 | ||
3351 | if (wtd->param_prefix) | |
3352 | { | |
3353 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
3d7aafde AJ |
3354 | oprintf (f, |
3355 | " (void *, void *, gt_pointer_operator, void *);\n"); | |
e18476eb | 3356 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
17211ab5 | 3357 | wtd->param_prefix, v->name); |
e18476eb BI |
3358 | oprintf (d.of, |
3359 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
3360 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3361 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
17211ab5 GK |
3362 | oprintf (d.of, "{\n"); |
3363 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3364 | d.process_field = write_types_local_process_field; | |
3365 | walk_type (v->type, &d); | |
3366 | oprintf (f, "}\n\n"); | |
3367 | } | |
3368 | ||
3369 | d.opt = v->opt; | |
3d7aafde | 3370 | oprintf (f, "static void gt_%sa_%s (void *);\n", |
17211ab5 | 3371 | wtd->prefix, v->name); |
e18476eb | 3372 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
17211ab5 | 3373 | wtd->prefix, v->name); |
17211ab5 GK |
3374 | oprintf (f, "{\n"); |
3375 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3376 | d.process_field = write_types_process_field; | |
3377 | walk_type (v->type, &d); | |
3378 | free (prevval3); | |
3379 | oprintf (f, "}\n\n"); | |
3380 | } | |
3381 | ||
9f313342 GK |
3382 | /* Output a table describing the locations and types of VARIABLES. */ |
3383 | ||
e2500fed | 3384 | static void |
99be7084 | 3385 | write_roots (pair_p variables, bool emit_pch) |
e2500fed GK |
3386 | { |
3387 | pair_p v; | |
3388 | struct flist *flp = NULL; | |
3389 | ||
3390 | for (v = variables; v; v = v->next) | |
3391 | { | |
e03856fe | 3392 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3393 | struct flist *fli; |
3394 | const char *length = NULL; | |
3395 | int deletable_p = 0; | |
3396 | options_p o; | |
3397 | ||
3398 | for (o = v->opt; o; o = o->next) | |
3399 | if (strcmp (o->name, "length") == 0) | |
9e2878cf | 3400 | length = o->info; |
e2500fed GK |
3401 | else if (strcmp (o->name, "deletable") == 0) |
3402 | deletable_p = 1; | |
3403 | else if (strcmp (o->name, "param_is") == 0) | |
3404 | ; | |
3d7aafde | 3405 | else if (strncmp (o->name, "param", 5) == 0 |
36a5eadd GK |
3406 | && ISDIGIT (o->name[5]) |
3407 | && strcmp (o->name + 6, "_is") == 0) | |
3408 | ; | |
e2500fed GK |
3409 | else if (strcmp (o->name, "if_marked") == 0) |
3410 | ; | |
3411 | else | |
3d7aafde | 3412 | error_at_line (&v->line, |
e2500fed GK |
3413 | "global `%s' has unknown option `%s'", |
3414 | v->name, o->name); | |
3415 | ||
3416 | for (fli = flp; fli; fli = fli->next) | |
bd117bb6 | 3417 | if (fli->f == f && f) |
e2500fed GK |
3418 | break; |
3419 | if (fli == NULL) | |
3420 | { | |
5d038c4c | 3421 | fli = XNEW (struct flist); |
e2500fed GK |
3422 | fli->f = f; |
3423 | fli->next = flp; | |
3424 | fli->started_p = 0; | |
3425 | fli->name = v->line.file; | |
bd117bb6 | 3426 | gcc_assert(fli->name); |
e2500fed GK |
3427 | flp = fli; |
3428 | ||
e03856fe | 3429 | oprintf (f, "\n/* GC roots. */\n\n"); |
e2500fed GK |
3430 | } |
3431 | ||
3432 | if (! deletable_p | |
3433 | && length | |
3434 | && v->type->kind == TYPE_POINTER | |
3435 | && (v->type->u.p->kind == TYPE_POINTER | |
3436 | || v->type->u.p->kind == TYPE_STRUCT)) | |
3437 | { | |
17211ab5 GK |
3438 | write_array (f, v, &ggc_wtd); |
3439 | write_array (f, v, &pch_wtd); | |
e2500fed GK |
3440 | } |
3441 | } | |
3442 | ||
3443 | for (v = variables; v; v = v->next) | |
3444 | { | |
e03856fe | 3445 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3446 | struct flist *fli; |
3447 | int skip_p = 0; | |
3448 | int length_p = 0; | |
3449 | options_p o; | |
3d7aafde | 3450 | |
e2500fed GK |
3451 | for (o = v->opt; o; o = o->next) |
3452 | if (strcmp (o->name, "length") == 0) | |
3453 | length_p = 1; | |
3454 | else if (strcmp (o->name, "deletable") == 0 | |
3455 | || strcmp (o->name, "if_marked") == 0) | |
3456 | skip_p = 1; | |
3457 | ||
3458 | if (skip_p) | |
3459 | continue; | |
3460 | ||
3461 | for (fli = flp; fli; fli = fli->next) | |
3462 | if (fli->f == f) | |
3463 | break; | |
3464 | if (! fli->started_p) | |
3465 | { | |
3466 | fli->started_p = 1; | |
3467 | ||
6bc7bc14 | 3468 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_r_"); |
e2500fed | 3469 | put_mangled_filename (f, v->line.file); |
e03856fe | 3470 | oprintf (f, "[] = {\n"); |
e2500fed GK |
3471 | } |
3472 | ||
99be7084 | 3473 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
e2500fed GK |
3474 | } |
3475 | ||
3d7aafde | 3476 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
3477 | "gt_ggc_rtab"); |
3478 | ||
3479 | for (v = variables; v; v = v->next) | |
3480 | { | |
e03856fe | 3481 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3482 | struct flist *fli; |
3483 | int skip_p = 1; | |
3484 | options_p o; | |
3485 | ||
3486 | for (o = v->opt; o; o = o->next) | |
3487 | if (strcmp (o->name, "deletable") == 0) | |
3488 | skip_p = 0; | |
3489 | else if (strcmp (o->name, "if_marked") == 0) | |
3490 | skip_p = 1; | |
3491 | ||
3492 | if (skip_p) | |
3493 | continue; | |
3494 | ||
3495 | for (fli = flp; fli; fli = fli->next) | |
3496 | if (fli->f == f) | |
3497 | break; | |
3498 | if (! fli->started_p) | |
3499 | { | |
3500 | fli->started_p = 1; | |
3501 | ||
6bc7bc14 | 3502 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_rd_"); |
e2500fed | 3503 | put_mangled_filename (f, v->line.file); |
e03856fe | 3504 | oprintf (f, "[] = {\n"); |
e2500fed | 3505 | } |
3d7aafde | 3506 | |
17211ab5 | 3507 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
e2500fed GK |
3508 | v->name, v->name); |
3509 | } | |
3d7aafde | 3510 | |
17211ab5 | 3511 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
3512 | "gt_ggc_deletable_rtab"); |
3513 | ||
3514 | for (v = variables; v; v = v->next) | |
3515 | { | |
e03856fe | 3516 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3517 | struct flist *fli; |
3518 | const char *if_marked = NULL; | |
3519 | int length_p = 0; | |
3520 | options_p o; | |
3d7aafde | 3521 | |
e2500fed GK |
3522 | for (o = v->opt; o; o = o->next) |
3523 | if (strcmp (o->name, "length") == 0) | |
3524 | length_p = 1; | |
3525 | else if (strcmp (o->name, "if_marked") == 0) | |
9e2878cf | 3526 | if_marked = o->info; |
e2500fed GK |
3527 | |
3528 | if (if_marked == NULL) | |
3529 | continue; | |
3530 | ||
3531 | if (v->type->kind != TYPE_POINTER | |
3532 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
3533 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
3534 | { | |
3535 | error_at_line (&v->line, "if_marked option used but not hash table"); | |
3536 | continue; | |
3537 | } | |
3538 | ||
3539 | for (fli = flp; fli; fli = fli->next) | |
3540 | if (fli->f == f) | |
3541 | break; | |
3542 | if (! fli->started_p) | |
3543 | { | |
3544 | fli->started_p = 1; | |
3545 | ||
6bc7bc14 | 3546 | oprintf (f, "EXPORTED_CONST struct ggc_cache_tab gt_ggc_rc_"); |
e2500fed | 3547 | put_mangled_filename (f, v->line.file); |
e03856fe | 3548 | oprintf (f, "[] = {\n"); |
e2500fed | 3549 | } |
3d7aafde | 3550 | |
17211ab5 | 3551 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
99be7084 | 3552 | v->name, length_p, &v->line, if_marked, emit_pch); |
e2500fed | 3553 | } |
3d7aafde | 3554 | |
17211ab5 | 3555 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
e2500fed | 3556 | "gt_ggc_cache_rtab"); |
17211ab5 | 3557 | |
99be7084 BS |
3558 | if (!emit_pch) |
3559 | return; | |
3560 | ||
17211ab5 GK |
3561 | for (v = variables; v; v = v->next) |
3562 | { | |
3563 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3564 | struct flist *fli; | |
3565 | int length_p = 0; | |
3566 | int if_marked_p = 0; | |
3567 | options_p o; | |
3d7aafde | 3568 | |
17211ab5 GK |
3569 | for (o = v->opt; o; o = o->next) |
3570 | if (strcmp (o->name, "length") == 0) | |
3571 | length_p = 1; | |
3572 | else if (strcmp (o->name, "if_marked") == 0) | |
3573 | if_marked_p = 1; | |
3574 | ||
3575 | if (! if_marked_p) | |
3576 | continue; | |
3577 | ||
3578 | for (fli = flp; fli; fli = fli->next) | |
3579 | if (fli->f == f) | |
3580 | break; | |
3581 | if (! fli->started_p) | |
3582 | { | |
3583 | fli->started_p = 1; | |
3584 | ||
6bc7bc14 | 3585 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rc_"); |
17211ab5 GK |
3586 | put_mangled_filename (f, v->line.file); |
3587 | oprintf (f, "[] = {\n"); | |
3588 | } | |
3589 | ||
99be7084 | 3590 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
17211ab5 | 3591 | } |
3d7aafde | 3592 | |
17211ab5 GK |
3593 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3594 | "gt_pch_cache_rtab"); | |
3595 | ||
3596 | for (v = variables; v; v = v->next) | |
3597 | { | |
3598 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3599 | struct flist *fli; | |
3600 | int skip_p = 0; | |
3601 | options_p o; | |
3602 | ||
3603 | for (o = v->opt; o; o = o->next) | |
3604 | if (strcmp (o->name, "deletable") == 0 | |
3605 | || strcmp (o->name, "if_marked") == 0) | |
3606 | skip_p = 1; | |
3607 | ||
3608 | if (skip_p) | |
3609 | continue; | |
3610 | ||
3611 | if (! contains_scalar_p (v->type)) | |
3612 | continue; | |
3613 | ||
3614 | for (fli = flp; fli; fli = fli->next) | |
3615 | if (fli->f == f) | |
3616 | break; | |
3617 | if (! fli->started_p) | |
3618 | { | |
3619 | fli->started_p = 1; | |
3620 | ||
6bc7bc14 | 3621 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rs_"); |
17211ab5 GK |
3622 | put_mangled_filename (f, v->line.file); |
3623 | oprintf (f, "[] = {\n"); | |
3624 | } | |
3d7aafde | 3625 | |
17211ab5 GK |
3626 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
3627 | v->name, v->name); | |
3628 | } | |
3d7aafde | 3629 | |
17211ab5 GK |
3630 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3631 | "gt_pch_scalar_rtab"); | |
e2500fed GK |
3632 | } |
3633 | ||
4a399aef ZW |
3634 | /* Record the definition of a generic VEC structure, as if we had expanded |
3635 | the macros in vec.h: | |
3636 | ||
3637 | typedef struct VEC_<type>_base GTY(()) { | |
3638 | unsigned num; | |
3639 | unsigned alloc; | |
3640 | <type> GTY((length ("%h.num"))) vec[1]; | |
3641 | } VEC_<type>_base | |
3642 | ||
3643 | where the GTY(()) tags are only present if is_scalar is _false_. */ | |
3644 | ||
3645 | void | |
8ad97cfc | 3646 | note_def_vec (const char *type_name, bool is_scalar, struct fileloc *pos) |
4a399aef | 3647 | { |
065ae611 | 3648 | pair_p fields; |
4a399aef ZW |
3649 | type_p t; |
3650 | options_p o; | |
065ae611 | 3651 | type_p len_ty = create_scalar_type ("unsigned"); |
8ad97cfc | 3652 | const char *name = concat ("VEC_", type_name, "_base", (char *)0); |
4a399aef ZW |
3653 | |
3654 | if (is_scalar) | |
3655 | { | |
8ad97cfc | 3656 | t = create_scalar_type (type_name); |
4a399aef ZW |
3657 | o = 0; |
3658 | } | |
3659 | else | |
3660 | { | |
8ad97cfc | 3661 | t = resolve_typedef (type_name, pos); |
4a399aef ZW |
3662 | o = create_option (0, "length", "%h.num"); |
3663 | } | |
3664 | ||
3665 | /* We assemble the field list in reverse order. */ | |
065ae611 ZW |
3666 | fields = create_field_at (0, create_array (t, "1"), "vec", o, pos); |
3667 | fields = create_field_at (fields, len_ty, "alloc", 0, pos); | |
3668 | fields = create_field_at (fields, len_ty, "num", 0, pos); | |
4a399aef ZW |
3669 | |
3670 | do_typedef (name, new_structure (name, 0, pos, fields, 0), pos); | |
3671 | } | |
3672 | ||
3673 | /* Record the definition of an allocation-specific VEC structure, as if | |
3674 | we had expanded the macros in vec.h: | |
3675 | ||
3676 | typedef struct VEC_<type>_<astrat> { | |
3677 | VEC_<type>_base base; | |
3678 | } VEC_<type>_<astrat>; | |
3679 | */ | |
3680 | void | |
3681 | note_def_vec_alloc (const char *type, const char *astrat, struct fileloc *pos) | |
3682 | { | |
3683 | const char *astratname = concat ("VEC_", type, "_", astrat, (char *)0); | |
3684 | const char *basename = concat ("VEC_", type, "_base", (char *)0); | |
3685 | ||
065ae611 ZW |
3686 | pair_p field = create_field_at (0, resolve_typedef (basename, pos), |
3687 | "base", 0, pos); | |
4a399aef ZW |
3688 | |
3689 | do_typedef (astratname, new_structure (astratname, 0, pos, field, 0), pos); | |
3690 | } | |
3691 | ||
e2500fed | 3692 | \f |
3d7aafde | 3693 | int |
11a67599 | 3694 | main (int argc, char **argv) |
e2500fed | 3695 | { |
11a67599 | 3696 | size_t i; |
01d419ae | 3697 | static struct fileloc pos = { this_file, 0 }; |
bd117bb6 | 3698 | char* inputlist = 0; |
9b39cba9 BS |
3699 | outf_p output_header; |
3700 | char* plugin_output_filename = NULL; | |
11a67599 ZW |
3701 | /* fatal uses this */ |
3702 | progname = "gengtype"; | |
3703 | ||
9b39cba9 | 3704 | if (argc >= 6 && !strcmp (argv[1], "-P")) |
bd117bb6 | 3705 | { |
9b39cba9 BS |
3706 | plugin_output_filename = argv[2]; |
3707 | plugin_output = create_file ("GCC", plugin_output_filename); | |
3708 | srcdir = argv[3]; | |
3709 | inputlist = argv[4]; | |
3710 | nb_plugin_files = argc - 5; | |
9f78bf05 BS |
3711 | plugin_files = XCNEWVEC (char *, nb_plugin_files); |
3712 | for (i = 0; i < nb_plugin_files; i++) | |
3713 | { | |
3714 | /* Place an all zero lang_bitmap before the plugin file | |
3715 | name. */ | |
9b39cba9 | 3716 | char *name = argv[i + 5]; |
9f78bf05 BS |
3717 | int len = strlen(name) + 1 + sizeof (lang_bitmap); |
3718 | plugin_files[i] = XCNEWVEC (char, len) + sizeof (lang_bitmap); | |
3719 | strcpy (plugin_files[i], name); | |
3720 | } | |
bd117bb6 | 3721 | } |
b8698a0f | 3722 | else if (argc == 3) |
bd117bb6 BS |
3723 | { |
3724 | srcdir = argv[1]; | |
3725 | inputlist = argv[2]; | |
b8698a0f | 3726 | } |
bd117bb6 | 3727 | else |
9b39cba9 BS |
3728 | fatal ("usage: gengtype [-P pluginout.h] srcdir input-list " |
3729 | "[file1 file2 ... fileN]"); | |
11a67599 | 3730 | |
8ac9d31f | 3731 | srcdir_len = strlen (srcdir); |
e2500fed | 3732 | |
bd117bb6 | 3733 | read_input_list (inputlist); |
11a67599 ZW |
3734 | if (hit_error) |
3735 | return 1; | |
3736 | ||
95161faf ZW |
3737 | scalar_char.u.scalar_is_char = true; |
3738 | scalar_nonchar.u.scalar_is_char = false; | |
95161faf ZW |
3739 | gen_rtx_next (); |
3740 | ||
01d419ae ZW |
3741 | /* These types are set up with #define or else outside of where |
3742 | we can see them. */ | |
3743 | pos.line = __LINE__ + 1; | |
3744 | do_scalar_typedef ("CUMULATIVE_ARGS", &pos); pos.line++; | |
3745 | do_scalar_typedef ("REAL_VALUE_TYPE", &pos); pos.line++; | |
1e1ba002 | 3746 | do_scalar_typedef ("FIXED_VALUE_TYPE", &pos); pos.line++; |
01d419ae | 3747 | do_scalar_typedef ("double_int", &pos); pos.line++; |
c6a21142 | 3748 | do_scalar_typedef ("uint64_t", &pos); pos.line++; |
01d419ae ZW |
3749 | do_scalar_typedef ("uint8", &pos); pos.line++; |
3750 | do_scalar_typedef ("jword", &pos); pos.line++; | |
3751 | do_scalar_typedef ("JCF_u2", &pos); pos.line++; | |
3752 | do_scalar_typedef ("void", &pos); pos.line++; | |
a813c111 | 3753 | do_typedef ("PTR", create_pointer (resolve_typedef ("void", &pos)), &pos); |
ed8d2920 | 3754 | |
11a67599 | 3755 | for (i = 0; i < num_gt_files; i++) |
01d419ae | 3756 | parse_file (gt_files[i]); |
e2500fed | 3757 | |
01d419ae | 3758 | if (hit_error) |
065ae611 | 3759 | return 1; |
e2500fed GK |
3760 | |
3761 | set_gc_used (variables); | |
3762 | ||
3763 | open_base_files (); | |
36a5eadd | 3764 | write_enum_defn (structures, param_structs); |
9b39cba9 BS |
3765 | output_header = plugin_output ? plugin_output : header_file; |
3766 | write_types (output_header, structures, param_structs, &ggc_wtd); | |
ea2ca633 | 3767 | if (plugin_files == NULL) |
99be7084 BS |
3768 | { |
3769 | write_types (header_file, structures, param_structs, &pch_wtd); | |
3770 | write_local (header_file, structures, param_structs); | |
3771 | } | |
ea2ca633 | 3772 | write_roots (variables, plugin_files == NULL); |
36a5eadd | 3773 | write_rtx_next (); |
e2500fed GK |
3774 | close_output_files (); |
3775 | ||
9f78bf05 BS |
3776 | if (plugin_files) |
3777 | { | |
3778 | for (i = 0; i < nb_plugin_files; i++) | |
3779 | free (plugin_files[i] - sizeof (lang_bitmap)); | |
3780 | free (plugin_files); | |
3781 | } | |
3782 | ||
01d419ae ZW |
3783 | if (hit_error) |
3784 | return 1; | |
3785 | return 0; | |
e2500fed | 3786 | } |