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e2500fed | 1 | /* Process source files and output type information. |
7ca92787 | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
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" |
e1b793e7 | 24 | #include "errors.h" /* for fatal */ |
df582833 | 25 | #include "double-int.h" |
0277fabf | 26 | #include "hashtab.h" |
5ba6918e | 27 | |
065ae611 ZW |
28 | /* Data types, macros, etc. used only in this file. */ |
29 | ||
30 | /* Kinds of types we can understand. */ | |
e1b793e7 BS |
31 | enum typekind |
32 | { | |
065ae611 ZW |
33 | TYPE_SCALAR, |
34 | TYPE_STRING, | |
35 | TYPE_STRUCT, | |
36 | TYPE_UNION, | |
37 | TYPE_POINTER, | |
38 | TYPE_ARRAY, | |
39 | TYPE_LANG_STRUCT, | |
40 | TYPE_PARAM_STRUCT | |
41 | }; | |
42 | ||
43 | typedef unsigned lang_bitmap; | |
44 | ||
45 | /* A way to pass data through to the output end. */ | |
46 | struct options | |
47 | { | |
48 | struct options *next; | |
49 | const char *name; | |
50 | const char *info; | |
51 | }; | |
52 | ||
53 | /* Option data for the 'nested_ptr' option. */ | |
54 | struct nested_ptr_data | |
55 | { | |
56 | type_p type; | |
57 | const char *convert_to; | |
58 | const char *convert_from; | |
59 | }; | |
60 | ||
61 | /* A name and a type. */ | |
62 | struct pair | |
63 | { | |
64 | pair_p next; | |
65 | const char *name; | |
66 | type_p type; | |
67 | struct fileloc line; | |
68 | options_p opt; | |
69 | }; | |
70 | ||
71 | #define NUM_PARAM 10 | |
72 | ||
73 | /* A description of a type. */ | |
74 | enum gc_used_enum | |
e1b793e7 BS |
75 | { |
76 | GC_UNUSED = 0, | |
77 | GC_USED, | |
78 | /* Used for structures whose definitions we haven't seen so far when | |
79 | we encounter a pointer to it that is annotated with ``maybe_undef''. | |
80 | If after reading in everything we don't have source file | |
81 | information for it, we assume that it never has been defined. */ | |
82 | GC_MAYBE_POINTED_TO, | |
83 | GC_POINTED_TO | |
84 | }; | |
065ae611 ZW |
85 | |
86 | struct type | |
87 | { | |
88 | enum typekind kind; | |
89 | type_p next; | |
90 | type_p pointer_to; | |
91 | enum gc_used_enum gc_used; | |
e1b793e7 BS |
92 | union |
93 | { | |
065ae611 | 94 | type_p p; |
e1b793e7 BS |
95 | struct |
96 | { | |
065ae611 ZW |
97 | const char *tag; |
98 | struct fileloc line; | |
99 | pair_p fields; | |
100 | options_p opt; | |
101 | lang_bitmap bitmap; | |
102 | type_p lang_struct; | |
103 | } s; | |
104 | bool scalar_is_char; | |
e1b793e7 BS |
105 | struct |
106 | { | |
065ae611 ZW |
107 | type_p p; |
108 | const char *len; | |
109 | } a; | |
e1b793e7 BS |
110 | struct |
111 | { | |
065ae611 ZW |
112 | type_p stru; |
113 | type_p param[NUM_PARAM]; | |
114 | struct fileloc line; | |
115 | } param_struct; | |
116 | } u; | |
117 | }; | |
118 | ||
119 | #define UNION_P(x) \ | |
e1b793e7 BS |
120 | ((x)->kind == TYPE_UNION || \ |
121 | ((x)->kind == TYPE_LANG_STRUCT \ | |
122 | && (x)->u.s.lang_struct->kind == TYPE_UNION)) | |
065ae611 | 123 | #define UNION_OR_STRUCT_P(x) \ |
e1b793e7 BS |
124 | ((x)->kind == TYPE_UNION \ |
125 | || (x)->kind == TYPE_STRUCT \ | |
126 | || (x)->kind == TYPE_LANG_STRUCT) | |
065ae611 ZW |
127 | |
128 | /* Structure representing an output file. */ | |
129 | struct outf | |
130 | { | |
131 | struct outf *next; | |
132 | const char *name; | |
133 | size_t buflength; | |
134 | size_t bufused; | |
135 | char *buf; | |
136 | }; | |
e1b793e7 | 137 | typedef struct outf *outf_p; |
065ae611 ZW |
138 | |
139 | /* An output file, suitable for definitions, that can see declarations | |
140 | made in INPUT_FILE and is linked into every language that uses | |
bd117bb6 | 141 | INPUT_FILE. May return NULL in plugin mode. */ |
e1b793e7 | 142 | extern outf_p get_output_file_with_visibility (const char *input_file); |
065ae611 ZW |
143 | const char *get_output_file_name (const char *); |
144 | ||
bd117bb6 | 145 | /* Print, like fprintf, to O. No-op if O is NULL. */ |
e1b793e7 BS |
146 | static void |
147 | oprintf (outf_p o, const char *S, ...) | |
148 | ATTRIBUTE_PRINTF_2; | |
065ae611 ZW |
149 | |
150 | /* The list of output files. */ | |
151 | static outf_p output_files; | |
152 | ||
bd117bb6 | 153 | /* The plugin input files and their number; in that case only |
c802b1cf | 154 | a single file is produced. */ |
e1b793e7 | 155 | static char **plugin_files; |
9f78bf05 | 156 | static size_t nb_plugin_files; |
9b39cba9 BS |
157 | /* the generated plugin output name & file */ |
158 | static outf_p plugin_output; | |
bd117bb6 | 159 | |
065ae611 ZW |
160 | /* The output header file that is included into pretty much every |
161 | source file. */ | |
162 | static outf_p header_file; | |
163 | ||
11a67599 ZW |
164 | /* Source directory. */ |
165 | static const char *srcdir; | |
065ae611 ZW |
166 | |
167 | /* Length of srcdir name. */ | |
8de8de02 | 168 | static size_t srcdir_len = 0; |
065ae611 | 169 | |
065ae611 | 170 | static outf_p create_file (const char *, const char *); |
8de8de02 | 171 | |
e1b793e7 BS |
172 | static const char *get_file_basename (const char *); |
173 | static const char *get_file_realbasename (const char *); | |
174 | static const char *get_file_srcdir_relative_path (const char *); | |
8de8de02 OH |
175 | |
176 | static int get_prefix_langdir_index (const char *); | |
e1b793e7 | 177 | static const char *get_file_langdir (const char *); |
065ae611 | 178 | \f |
e1b793e7 | 179 | |
9f313342 | 180 | /* Nonzero iff an error has occurred. */ |
01d419ae | 181 | bool hit_error = false; |
9f313342 | 182 | |
3d7aafde AJ |
183 | static void gen_rtx_next (void); |
184 | static void write_rtx_next (void); | |
185 | static void open_base_files (void); | |
186 | static void close_output_files (void); | |
ef171ead | 187 | |
9f313342 GK |
188 | /* Report an error at POS, printing MSG. */ |
189 | ||
e2500fed | 190 | void |
0277fabf | 191 | error_at_line (const struct fileloc *pos, const char *msg, ...) |
e2500fed | 192 | { |
e34d07f2 | 193 | va_list ap; |
3d7aafde | 194 | |
e34d07f2 | 195 | va_start (ap, msg); |
e2500fed GK |
196 | |
197 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
198 | vfprintf (stderr, msg, ap); | |
199 | fputc ('\n', stderr); | |
01d419ae | 200 | hit_error = true; |
e2500fed | 201 | |
e34d07f2 | 202 | va_end (ap); |
e2500fed GK |
203 | } |
204 | ||
065ae611 | 205 | /* asprintf, but produces fatal message on out-of-memory. */ |
01d419ae | 206 | char * |
e34d07f2 | 207 | xasprintf (const char *format, ...) |
e03856fe | 208 | { |
065ae611 | 209 | int n; |
e03856fe | 210 | char *result; |
e34d07f2 | 211 | va_list ap; |
3d7aafde | 212 | |
e34d07f2 | 213 | va_start (ap, format); |
065ae611 ZW |
214 | n = vasprintf (&result, format, ap); |
215 | if (result == NULL || n < 0) | |
216 | fatal ("out of memory"); | |
e34d07f2 | 217 | va_end (ap); |
065ae611 | 218 | |
e03856fe GK |
219 | return result; |
220 | } | |
11a67599 ZW |
221 | \f |
222 | /* Input file handling. */ | |
223 | ||
224 | /* Table of all input files. */ | |
225 | static const char **gt_files; | |
226 | static size_t num_gt_files; | |
227 | ||
01d419ae ZW |
228 | /* A number of places use the name of this file for a location for |
229 | things that we can't rely on the source to define. Make sure we | |
230 | can still use pointer comparison on filenames. */ | |
231 | static const char this_file[] = __FILE__; | |
232 | ||
11a67599 ZW |
233 | /* Vector of per-language directories. */ |
234 | static const char **lang_dir_names; | |
235 | static size_t num_lang_dirs; | |
236 | ||
237 | /* An array of output files suitable for definitions. There is one | |
238 | BASE_FILES entry for each language. */ | |
239 | static outf_p *base_files; | |
240 | ||
241 | /* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff | |
242 | INPUT_FILE is used by <lang>. | |
243 | ||
244 | This function should be written to assume that a file _is_ used | |
245 | if the situation is unclear. If it wrongly assumes a file _is_ used, | |
246 | a linker error will result. If it wrongly assumes a file _is not_ used, | |
247 | some GC roots may be missed, which is a much harder-to-debug problem. | |
248 | ||
249 | The relevant bitmap is stored immediately before the file's name in the | |
250 | buffer set up by read_input_list. It may be unaligned, so we have to | |
251 | read it byte-by-byte. */ | |
e03856fe | 252 | |
11a67599 ZW |
253 | static lang_bitmap |
254 | get_lang_bitmap (const char *gtfile) | |
255 | { | |
01d419ae ZW |
256 | |
257 | if (gtfile == this_file) | |
258 | /* Things defined in this file are universal. */ | |
e1b793e7 | 259 | return (((lang_bitmap) 1) << num_lang_dirs) - 1; |
01d419ae ZW |
260 | else |
261 | { | |
262 | lang_bitmap n = 0; | |
263 | int i; | |
264 | for (i = -(int) sizeof (lang_bitmap); i < 0; i++) | |
e1b793e7 | 265 | n = (n << CHAR_BIT) + (unsigned char) gtfile[i]; |
01d419ae ZW |
266 | return n; |
267 | } | |
11a67599 ZW |
268 | } |
269 | ||
270 | /* Set the bitmap returned by get_lang_bitmap. The only legitimate | |
271 | caller of this function is read_input_list. */ | |
272 | static void | |
273 | set_lang_bitmap (char *gtfile, lang_bitmap n) | |
274 | { | |
275 | int i; | |
276 | for (i = -1; i >= -(int) sizeof (lang_bitmap); i--) | |
277 | { | |
e1b793e7 | 278 | gtfile[i] = n & ((1U << CHAR_BIT) - 1); |
11a67599 ZW |
279 | n >>= CHAR_BIT; |
280 | } | |
281 | } | |
282 | ||
283 | /* Scan the input file, LIST, and determine how much space we need to | |
284 | store strings in. Also, count the number of language directories | |
285 | and files. The numbers returned are overestimates as they does not | |
286 | consider repeated files. */ | |
287 | static size_t | |
288 | measure_input_list (FILE *list) | |
289 | { | |
290 | size_t n = 0; | |
291 | int c; | |
292 | bool atbol = true; | |
293 | num_lang_dirs = 0; | |
bd117bb6 | 294 | num_gt_files = plugin_files ? nb_plugin_files : 0; |
11a67599 ZW |
295 | while ((c = getc (list)) != EOF) |
296 | { | |
297 | n++; | |
298 | if (atbol) | |
299 | { | |
300 | if (c == '[') | |
301 | num_lang_dirs++; | |
302 | else | |
303 | { | |
304 | /* Add space for a lang_bitmap before the input file name. */ | |
305 | n += sizeof (lang_bitmap); | |
306 | num_gt_files++; | |
307 | } | |
308 | atbol = false; | |
309 | } | |
310 | ||
311 | if (c == '\n') | |
312 | atbol = true; | |
313 | } | |
314 | ||
315 | rewind (list); | |
316 | return n; | |
317 | } | |
318 | ||
319 | /* Read one input line from LIST to HEREP (which is updated). A | |
320 | pointer to the string is returned via LINEP. If it was a language | |
321 | subdirectory in square brackets, strip off the square brackets and | |
322 | return true. Otherwise, leave space before the string for a | |
323 | lang_bitmap, and return false. At EOF, returns false, does not | |
324 | touch *HEREP, and sets *LINEP to NULL. POS is used for | |
325 | diagnostics. */ | |
326 | static bool | |
e1b793e7 | 327 | read_input_line (FILE *list, char **herep, char **linep, struct fileloc *pos) |
11a67599 ZW |
328 | { |
329 | char *here = *herep; | |
330 | char *line; | |
331 | int c = getc (list); | |
332 | ||
1b77ee03 MM |
333 | /* Read over whitespace. */ |
334 | while (c == '\n' || c == ' ') | |
335 | c = getc (list); | |
336 | ||
11a67599 ZW |
337 | if (c == EOF) |
338 | { | |
339 | *linep = 0; | |
340 | return false; | |
341 | } | |
342 | else if (c == '[') | |
343 | { | |
344 | /* No space for a lang_bitmap is necessary. Discard the '['. */ | |
345 | c = getc (list); | |
346 | line = here; | |
347 | while (c != ']' && c != '\n' && c != EOF) | |
348 | { | |
349 | *here++ = c; | |
350 | c = getc (list); | |
351 | } | |
352 | *here++ = '\0'; | |
353 | ||
354 | if (c == ']') | |
355 | { | |
e1b793e7 | 356 | c = getc (list); /* eat what should be a newline */ |
11a67599 ZW |
357 | if (c != '\n' && c != EOF) |
358 | error_at_line (pos, "junk on line after language tag [%s]", line); | |
359 | } | |
360 | else | |
e1b793e7 BS |
361 | error_at_line (pos, "missing close bracket for language tag [%s", |
362 | line); | |
11a67599 ZW |
363 | |
364 | *herep = here; | |
365 | *linep = line; | |
366 | return true; | |
367 | } | |
368 | else | |
369 | { | |
370 | /* Leave space for a lang_bitmap. */ | |
371 | memset (here, 0, sizeof (lang_bitmap)); | |
372 | here += sizeof (lang_bitmap); | |
373 | line = here; | |
374 | do | |
375 | { | |
376 | *here++ = c; | |
377 | c = getc (list); | |
378 | } | |
379 | while (c != EOF && c != '\n'); | |
380 | *here++ = '\0'; | |
381 | *herep = here; | |
382 | *linep = line; | |
383 | return false; | |
384 | } | |
385 | } | |
386 | ||
387 | /* Read the list of input files from LIST and compute all of the | |
388 | relevant tables. There is one file per line of the list. At | |
389 | first, all the files on the list are language-generic, but | |
390 | eventually a line will appear which is the name of a language | |
391 | subdirectory in square brackets, like this: [cp]. All subsequent | |
392 | files are specific to that language, until another language | |
393 | subdirectory tag appears. Files can appear more than once, if | |
394 | they apply to more than one language. */ | |
395 | static void | |
396 | read_input_list (const char *listname) | |
397 | { | |
398 | FILE *list = fopen (listname, "r"); | |
399 | if (!list) | |
7ca92787 | 400 | fatal ("cannot open %s: %s", listname, xstrerror (errno)); |
11a67599 ZW |
401 | else |
402 | { | |
403 | struct fileloc epos; | |
404 | size_t bufsz = measure_input_list (list); | |
405 | char *buf = XNEWVEC (char, bufsz); | |
406 | char *here = buf; | |
407 | char *committed = buf; | |
408 | char *limit = buf + bufsz; | |
409 | char *line; | |
410 | bool is_language; | |
411 | size_t langno = 0; | |
412 | size_t nfiles = 0; | |
413 | lang_bitmap curlangs = (1 << num_lang_dirs) - 1; | |
414 | ||
415 | epos.file = listname; | |
416 | epos.line = 0; | |
417 | ||
418 | lang_dir_names = XNEWVEC (const char *, num_lang_dirs); | |
419 | gt_files = XNEWVEC (const char *, num_gt_files); | |
420 | ||
421 | for (;;) | |
422 | { | |
423 | next_line: | |
424 | epos.line++; | |
425 | committed = here; | |
426 | is_language = read_input_line (list, &here, &line, &epos); | |
427 | gcc_assert (here <= limit); | |
428 | if (line == 0) | |
429 | break; | |
430 | else if (is_language) | |
431 | { | |
432 | size_t i; | |
433 | gcc_assert (langno <= num_lang_dirs); | |
434 | for (i = 0; i < langno; i++) | |
435 | if (strcmp (lang_dir_names[i], line) == 0) | |
436 | { | |
e1b793e7 BS |
437 | error_at_line (&epos, "duplicate language tag [%s]", |
438 | line); | |
11a67599 ZW |
439 | curlangs = 1 << i; |
440 | here = committed; | |
441 | goto next_line; | |
442 | } | |
443 | ||
444 | curlangs = 1 << langno; | |
445 | lang_dir_names[langno++] = line; | |
446 | } | |
447 | else | |
448 | { | |
449 | size_t i; | |
450 | gcc_assert (nfiles <= num_gt_files); | |
451 | for (i = 0; i < nfiles; i++) | |
452 | if (strcmp (gt_files[i], line) == 0) | |
453 | { | |
454 | /* Throw away the string we just read, and add the | |
455 | current language to the existing string's bitmap. */ | |
456 | lang_bitmap bmap = get_lang_bitmap (gt_files[i]); | |
457 | if (bmap & curlangs) | |
e1b793e7 BS |
458 | error_at_line (&epos, |
459 | "file %s specified more than once " | |
460 | "for language %s", line, | |
461 | langno == | |
462 | 0 ? "(all)" : lang_dir_names[langno - | |
463 | 1]); | |
11a67599 ZW |
464 | |
465 | bmap |= curlangs; | |
e1b793e7 | 466 | set_lang_bitmap (CONST_CAST (char *, gt_files[i]), bmap); |
11a67599 ZW |
467 | here = committed; |
468 | goto next_line; | |
469 | } | |
470 | ||
471 | set_lang_bitmap (line, curlangs); | |
472 | gt_files[nfiles++] = line; | |
473 | } | |
474 | } | |
475 | /* Update the global counts now that we know accurately how many | |
e1b793e7 | 476 | things there are. (We do not bother resizing the arrays down.) */ |
11a67599 | 477 | num_lang_dirs = langno; |
bd117bb6 | 478 | /* Add the plugin files if provided. */ |
b8698a0f | 479 | if (plugin_files) |
bd117bb6 | 480 | { |
9f78bf05 | 481 | size_t i; |
bd117bb6 BS |
482 | for (i = 0; i < nb_plugin_files; i++) |
483 | gt_files[nfiles++] = plugin_files[i]; | |
484 | } | |
11a67599 ZW |
485 | num_gt_files = nfiles; |
486 | } | |
487 | ||
488 | /* Sanity check: any file that resides in a language subdirectory | |
489 | (e.g. 'cp') ought to belong to the corresponding language. | |
490 | ??? Still true if for instance ObjC++ is enabled and C++ isn't? | |
491 | (Can you even do that? Should you be allowed to?) */ | |
492 | { | |
493 | size_t f; | |
494 | for (f = 0; f < num_gt_files; f++) | |
495 | { | |
496 | lang_bitmap bitmap = get_lang_bitmap (gt_files[f]); | |
497 | const char *basename = get_file_basename (gt_files[f]); | |
498 | const char *slashpos = strchr (basename, '/'); | |
499 | ||
500 | if (slashpos) | |
501 | { | |
502 | size_t l; | |
503 | for (l = 0; l < num_lang_dirs; l++) | |
e1b793e7 | 504 | if ((size_t) (slashpos - basename) == strlen (lang_dir_names[l]) |
11a67599 ZW |
505 | && memcmp (basename, lang_dir_names[l], |
506 | strlen (lang_dir_names[l])) == 0) | |
507 | { | |
508 | if (!(bitmap & (1 << l))) | |
509 | error ("%s is in language directory '%s' but is not " | |
510 | "tagged for that language", | |
511 | basename, lang_dir_names[l]); | |
512 | break; | |
513 | } | |
e1b793e7 | 514 | } |
11a67599 ZW |
515 | } |
516 | } | |
517 | ||
518 | if (ferror (list)) | |
7ca92787 | 519 | fatal ("error reading %s: %s", listname, xstrerror (errno)); |
11a67599 ZW |
520 | |
521 | fclose (list); | |
522 | } | |
e1b793e7 | 523 | \f |
11a67599 ZW |
524 | |
525 | ||
9f313342 GK |
526 | /* The one and only TYPE_STRING. */ |
527 | ||
95161faf ZW |
528 | static struct type string_type = { |
529 | TYPE_STRING, 0, 0, GC_USED, {0} | |
530 | }; | |
531 | ||
532 | /* The two and only TYPE_SCALARs. Their u.scalar_is_char flags are | |
533 | set to appropriate values at the beginning of main. */ | |
534 | ||
535 | static struct type scalar_nonchar = { | |
536 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
537 | }; | |
e1b793e7 | 538 | |
95161faf ZW |
539 | static struct type scalar_char = { |
540 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
3d7aafde | 541 | }; |
e2500fed | 542 | |
9f313342 GK |
543 | /* Lists of various things. */ |
544 | ||
e2500fed GK |
545 | static pair_p typedefs; |
546 | static type_p structures; | |
547 | static type_p param_structs; | |
548 | static pair_p variables; | |
549 | ||
e1b793e7 | 550 | static type_p find_param_structure (type_p t, type_p param[NUM_PARAM]); |
3d7aafde AJ |
551 | static type_p adjust_field_tree_exp (type_p t, options_p opt); |
552 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
36a5eadd | 553 | |
9f313342 GK |
554 | /* Define S as a typedef to T at POS. */ |
555 | ||
e2500fed | 556 | void |
3d7aafde | 557 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
e2500fed GK |
558 | { |
559 | pair_p p; | |
560 | ||
2d593c86 TT |
561 | /* temporary kludge - gengtype doesn't handle conditionals or |
562 | macros. Ignore any attempt to typedef CUMULATIVE_ARGS, unless it | |
563 | is coming from this file (main() sets them up with safe dummy | |
564 | definitions). */ | |
565 | if (!strcmp (s, "CUMULATIVE_ARGS") && pos->file != this_file) | |
01d419ae ZW |
566 | return; |
567 | ||
e2500fed GK |
568 | for (p = typedefs; p != NULL; p = p->next) |
569 | if (strcmp (p->name, s) == 0) | |
570 | { | |
571 | if (p->type != t) | |
572 | { | |
573 | error_at_line (pos, "type `%s' previously defined", s); | |
574 | error_at_line (&p->line, "previously defined here"); | |
575 | } | |
576 | return; | |
577 | } | |
578 | ||
5d038c4c | 579 | p = XNEW (struct pair); |
e2500fed GK |
580 | p->next = typedefs; |
581 | p->name = s; | |
582 | p->type = t; | |
583 | p->line = *pos; | |
0277fabf | 584 | p->opt = NULL; |
e2500fed GK |
585 | typedefs = p; |
586 | } | |
587 | ||
95161faf ZW |
588 | /* Define S as a typename of a scalar. Cannot be used to define |
589 | typedefs of 'char'. Note: is also used for pointer-to-function | |
590 | typedefs (which are therefore not treated as pointers). */ | |
36a5eadd | 591 | |
95161faf | 592 | void |
3d7aafde | 593 | do_scalar_typedef (const char *s, struct fileloc *pos) |
36a5eadd | 594 | { |
95161faf | 595 | do_typedef (s, &scalar_nonchar, pos); |
36a5eadd GK |
596 | } |
597 | ||
e34bb004 | 598 | /* Return the type previously defined for S. Use POS to report errors. */ |
9f313342 | 599 | |
e2500fed | 600 | type_p |
3d7aafde | 601 | resolve_typedef (const char *s, struct fileloc *pos) |
e2500fed GK |
602 | { |
603 | pair_p p; | |
604 | for (p = typedefs; p != NULL; p = p->next) | |
605 | if (strcmp (p->name, s) == 0) | |
606 | return p->type; | |
607 | error_at_line (pos, "unidentified type `%s'", s); | |
e1b793e7 | 608 | return &scalar_nonchar; /* treat as "int" */ |
e2500fed GK |
609 | } |
610 | ||
0f01f026 RS |
611 | /* Create and return a new structure with tag NAME (or a union iff |
612 | ISUNION is nonzero), at POS with fields FIELDS and options O. */ | |
9f313342 | 613 | |
0f01f026 | 614 | type_p |
3d7aafde AJ |
615 | new_structure (const char *name, int isunion, struct fileloc *pos, |
616 | pair_p fields, options_p o) | |
e2500fed GK |
617 | { |
618 | type_p si; | |
619 | type_p s = NULL; | |
11a67599 | 620 | lang_bitmap bitmap = get_lang_bitmap (pos->file); |
e2500fed | 621 | |
01d419ae ZW |
622 | /* temporary kludge - gengtype doesn't handle conditionals or |
623 | macros. Ignore any attempt to define struct location_s, unless | |
624 | it is coming from this file (main() sets it up safely). */ | |
e1b793e7 | 625 | if (!strcmp (name, "location_s") && !isunion && pos->file != this_file) |
01d419ae ZW |
626 | return find_structure (name, 0); |
627 | ||
e2500fed | 628 | for (si = structures; si != NULL; si = si->next) |
e1b793e7 | 629 | if (strcmp (name, si->u.s.tag) == 0 && UNION_P (si) == isunion) |
e2500fed GK |
630 | { |
631 | type_p ls = NULL; | |
632 | if (si->kind == TYPE_LANG_STRUCT) | |
633 | { | |
634 | ls = si; | |
3d7aafde | 635 | |
e2500fed GK |
636 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
637 | if (si->u.s.bitmap == bitmap) | |
638 | s = si; | |
639 | } | |
640 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
641 | { | |
642 | ls = si; | |
5d038c4c | 643 | si = XCNEW (struct type); |
e2500fed GK |
644 | memcpy (si, ls, sizeof (struct type)); |
645 | ls->kind = TYPE_LANG_STRUCT; | |
646 | ls->u.s.lang_struct = si; | |
647 | ls->u.s.fields = NULL; | |
648 | si->next = NULL; | |
649 | si->pointer_to = NULL; | |
650 | si->u.s.lang_struct = ls; | |
651 | } | |
652 | else | |
653 | s = si; | |
654 | ||
655 | if (ls != NULL && s == NULL) | |
656 | { | |
5d038c4c | 657 | s = XCNEW (struct type); |
e2500fed GK |
658 | s->next = ls->u.s.lang_struct; |
659 | ls->u.s.lang_struct = s; | |
660 | s->u.s.lang_struct = ls; | |
661 | } | |
662 | break; | |
663 | } | |
3d7aafde | 664 | |
e2500fed GK |
665 | if (s == NULL) |
666 | { | |
5d038c4c | 667 | s = XCNEW (struct type); |
e2500fed GK |
668 | s->next = structures; |
669 | structures = s; | |
670 | } | |
671 | ||
672 | if (s->u.s.line.file != NULL | |
673 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
674 | { | |
01d419ae ZW |
675 | error_at_line (pos, "duplicate definition of '%s %s'", |
676 | isunion ? "union" : "struct", s->u.s.tag); | |
e2500fed GK |
677 | error_at_line (&s->u.s.line, "previous definition here"); |
678 | } | |
679 | ||
680 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
681 | s->u.s.tag = name; | |
682 | s->u.s.line = *pos; | |
683 | s->u.s.fields = fields; | |
684 | s->u.s.opt = o; | |
685 | s->u.s.bitmap = bitmap; | |
686 | if (s->u.s.lang_struct) | |
687 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
0f01f026 | 688 | |
01d419ae ZW |
689 | /* Reset location_s's location to input.h so that we know where to |
690 | write out its mark routine. */ | |
e1b793e7 | 691 | if (!strcmp (name, "location_s") && !isunion && pos->file == this_file) |
01d419ae ZW |
692 | { |
693 | size_t n; | |
694 | for (n = 0; n < num_gt_files; n++) | |
695 | if (!strcmp (gt_files[n] + strlen (gt_files[n]) - strlen ("input.h"), | |
696 | "input.h")) | |
697 | { | |
698 | s->u.s.line.file = gt_files[n]; | |
699 | break; | |
700 | } | |
701 | } | |
702 | ||
e1b793e7 | 703 | return s; |
e2500fed GK |
704 | } |
705 | ||
9f313342 GK |
706 | /* Return the previously-defined structure with tag NAME (or a union |
707 | iff ISUNION is nonzero), or a new empty structure or union if none | |
708 | was defined previously. */ | |
709 | ||
e2500fed | 710 | type_p |
3d7aafde | 711 | find_structure (const char *name, int isunion) |
e2500fed GK |
712 | { |
713 | type_p s; | |
714 | ||
715 | for (s = structures; s != NULL; s = s->next) | |
e1b793e7 | 716 | if (strcmp (name, s->u.s.tag) == 0 && UNION_P (s) == isunion) |
e2500fed GK |
717 | return s; |
718 | ||
5d038c4c | 719 | s = XCNEW (struct type); |
e2500fed GK |
720 | s->next = structures; |
721 | structures = s; | |
722 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
723 | s->u.s.tag = name; | |
724 | structures = s; | |
725 | return s; | |
726 | } | |
727 | ||
272d0bee KH |
728 | /* Return the previously-defined parameterized structure for structure |
729 | T and parameters PARAM, or a new parameterized empty structure or | |
991b6592 | 730 | union if none was defined previously. */ |
36a5eadd GK |
731 | |
732 | static type_p | |
3d7aafde | 733 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
36a5eadd GK |
734 | { |
735 | type_p res; | |
3d7aafde | 736 | |
36a5eadd GK |
737 | for (res = param_structs; res; res = res->next) |
738 | if (res->u.param_struct.stru == t | |
3d7aafde | 739 | && memcmp (res->u.param_struct.param, param, |
36a5eadd GK |
740 | sizeof (type_p) * NUM_PARAM) == 0) |
741 | break; | |
742 | if (res == NULL) | |
743 | { | |
5d038c4c | 744 | res = XCNEW (struct type); |
36a5eadd GK |
745 | res->kind = TYPE_PARAM_STRUCT; |
746 | res->next = param_structs; | |
747 | param_structs = res; | |
748 | res->u.param_struct.stru = t; | |
749 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
750 | } | |
751 | return res; | |
752 | } | |
753 | ||
9f313342 GK |
754 | /* Return a scalar type with name NAME. */ |
755 | ||
e2500fed | 756 | type_p |
95161faf | 757 | create_scalar_type (const char *name) |
e2500fed | 758 | { |
95161faf ZW |
759 | if (!strcmp (name, "char") || !strcmp (name, "unsigned char")) |
760 | return &scalar_char; | |
761 | else | |
762 | return &scalar_nonchar; | |
e2500fed GK |
763 | } |
764 | ||
9f313342 GK |
765 | /* Return a pointer to T. */ |
766 | ||
e2500fed | 767 | type_p |
3d7aafde | 768 | create_pointer (type_p t) |
e2500fed | 769 | { |
e1b793e7 | 770 | if (!t->pointer_to) |
e2500fed | 771 | { |
5d038c4c | 772 | type_p r = XCNEW (struct type); |
e2500fed GK |
773 | r->kind = TYPE_POINTER; |
774 | r->u.p = t; | |
775 | t->pointer_to = r; | |
776 | } | |
777 | return t->pointer_to; | |
778 | } | |
779 | ||
9f313342 GK |
780 | /* Return an array of length LEN. */ |
781 | ||
e2500fed | 782 | type_p |
3d7aafde | 783 | create_array (type_p t, const char *len) |
e2500fed GK |
784 | { |
785 | type_p v; | |
3d7aafde | 786 | |
5d038c4c | 787 | v = XCNEW (struct type); |
e2500fed GK |
788 | v->kind = TYPE_ARRAY; |
789 | v->u.a.p = t; | |
790 | v->u.a.len = len; | |
791 | return v; | |
792 | } | |
793 | ||
0f01f026 RS |
794 | /* Return an options structure with name NAME and info INFO. NEXT is the |
795 | next option in the chain. */ | |
796 | ||
1431042e | 797 | options_p |
0f01f026 | 798 | create_option (options_p next, const char *name, const void *info) |
1431042e | 799 | { |
5d038c4c | 800 | options_p o = XNEW (struct options); |
0f01f026 | 801 | o->next = next; |
1431042e | 802 | o->name = name; |
e1b793e7 | 803 | o->info = (const char *) info; |
1431042e ZW |
804 | return o; |
805 | } | |
806 | ||
17defa6a ZW |
807 | /* Return an options structure for a "nested_ptr" option. */ |
808 | options_p | |
065ae611 ZW |
809 | create_nested_ptr_option (options_p next, type_p t, |
810 | const char *to, const char *from) | |
17defa6a ZW |
811 | { |
812 | struct nested_ptr_data *d = XNEW (struct nested_ptr_data); | |
813 | ||
814 | d->type = adjust_field_type (t, 0); | |
815 | d->convert_to = to; | |
816 | d->convert_from = from; | |
065ae611 | 817 | return create_option (next, "nested_ptr", d); |
17defa6a ZW |
818 | } |
819 | ||
36a5eadd GK |
820 | /* Add a variable named S of type T with options O defined at POS, |
821 | to `variables'. */ | |
822 | ||
823 | void | |
3d7aafde | 824 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
36a5eadd GK |
825 | { |
826 | pair_p n; | |
5d038c4c | 827 | n = XNEW (struct pair); |
36a5eadd GK |
828 | n->name = s; |
829 | n->type = t; | |
830 | n->line = *pos; | |
831 | n->opt = o; | |
832 | n->next = variables; | |
833 | variables = n; | |
834 | } | |
835 | ||
065ae611 | 836 | /* Most-general structure field creator. */ |
0f01f026 | 837 | static pair_p |
065ae611 ZW |
838 | create_field_all (pair_p next, type_p type, const char *name, options_p opt, |
839 | const char *file, int line) | |
0f01f026 RS |
840 | { |
841 | pair_p field; | |
842 | ||
843 | field = XNEW (struct pair); | |
844 | field->next = next; | |
845 | field->type = type; | |
846 | field->name = name; | |
065ae611 ZW |
847 | field->opt = opt; |
848 | field->line.file = file; | |
849 | field->line.line = line; | |
0f01f026 RS |
850 | return field; |
851 | } | |
852 | ||
065ae611 ZW |
853 | /* Create a field that came from the source code we are scanning, |
854 | i.e. we have a 'struct fileloc', and possibly options; also, | |
855 | adjust_field_type should be called. */ | |
856 | pair_p | |
857 | create_field_at (pair_p next, type_p type, const char *name, options_p opt, | |
858 | struct fileloc *pos) | |
859 | { | |
860 | return create_field_all (next, adjust_field_type (type, opt), | |
861 | name, opt, pos->file, pos->line); | |
862 | } | |
863 | ||
864 | /* Create a fake field with the given type and name. NEXT is the next | |
865 | field in the chain. */ | |
866 | #define create_field(next,type,name) \ | |
e1b793e7 | 867 | create_field_all(next,type,name, 0, this_file, __LINE__) |
065ae611 | 868 | |
aacd3885 RS |
869 | /* Like create_field, but the field is only valid when condition COND |
870 | is true. */ | |
871 | ||
872 | static pair_p | |
065ae611 ZW |
873 | create_optional_field_ (pair_p next, type_p type, const char *name, |
874 | const char *cond, int line) | |
aacd3885 RS |
875 | { |
876 | static int id = 1; | |
065ae611 | 877 | pair_p union_fields; |
aacd3885 RS |
878 | type_p union_type; |
879 | ||
880 | /* Create a fake union type with a single nameless field of type TYPE. | |
881 | The field has a tag of "1". This allows us to make the presence | |
882 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
883 | union_fields = create_field (NULL, type, ""); | |
884 | union_fields->opt = create_option (union_fields->opt, "dot", ""); | |
885 | union_fields->opt = create_option (union_fields->opt, "tag", "1"); | |
886 | union_type = new_structure (xasprintf ("%s_%d", "fake_union", id++), 1, | |
887 | &lexer_line, union_fields, NULL); | |
888 | ||
889 | /* Create the field and give it the new fake union type. Add a "desc" | |
890 | tag that specifies the condition under which the field is valid. */ | |
065ae611 | 891 | return create_field_all (next, union_type, name, |
e1b793e7 | 892 | create_option (0, "desc", cond), this_file, line); |
aacd3885 | 893 | } |
e1b793e7 | 894 | |
065ae611 | 895 | #define create_optional_field(next,type,name,cond) \ |
e1b793e7 | 896 | create_optional_field_(next,type,name,cond,__LINE__) |
aacd3885 | 897 | |
01d419ae ZW |
898 | /* Reverse a linked list of 'struct pair's in place. */ |
899 | pair_p | |
900 | nreverse_pairs (pair_p list) | |
901 | { | |
902 | pair_p prev = 0, p, next; | |
903 | for (p = list; p; p = next) | |
904 | { | |
905 | next = p->next; | |
906 | p->next = prev; | |
907 | prev = p; | |
908 | } | |
909 | return prev; | |
910 | } | |
01d419ae | 911 | \f |
e1b793e7 | 912 | |
9e995780 | 913 | /* We don't care how long a CONST_DOUBLE is. */ |
36a5eadd | 914 | #define CONST_DOUBLE_FORMAT "ww" |
9e995780 ZW |
915 | /* We don't want to see codes that are only for generator files. */ |
916 | #undef GENERATOR_FILE | |
917 | ||
e1b793e7 BS |
918 | enum rtx_code |
919 | { | |
9e995780 ZW |
920 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , |
921 | #include "rtl.def" | |
922 | #undef DEF_RTL_EXPR | |
923 | NUM_RTX_CODE | |
924 | }; | |
925 | ||
e1b793e7 | 926 | static const char *const rtx_name[NUM_RTX_CODE] = { |
9e995780 ZW |
927 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , |
928 | #include "rtl.def" | |
929 | #undef DEF_RTL_EXPR | |
930 | }; | |
931 | ||
e1b793e7 | 932 | static const char *const rtx_format[NUM_RTX_CODE] = { |
36a5eadd GK |
933 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
934 | #include "rtl.def" | |
935 | #undef DEF_RTL_EXPR | |
936 | }; | |
937 | ||
5ba6918e | 938 | static int rtx_next_new[NUM_RTX_CODE]; |
36a5eadd | 939 | |
9e995780 ZW |
940 | /* We also need codes and names for insn notes (not register notes). |
941 | Note that we do *not* bias the note values here. */ | |
e1b793e7 BS |
942 | enum insn_note |
943 | { | |
9e995780 ZW |
944 | #define DEF_INSN_NOTE(NAME) NAME, |
945 | #include "insn-notes.def" | |
946 | #undef DEF_INSN_NOTE | |
947 | ||
948 | NOTE_INSN_MAX | |
949 | }; | |
950 | ||
79e4e6a6 JW |
951 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
952 | default field for line number notes. */ | |
e1b793e7 | 953 | static const char *const note_insn_name[NOTE_INSN_MAX + 1] = { |
9e995780 ZW |
954 | #define DEF_INSN_NOTE(NAME) #NAME, |
955 | #include "insn-notes.def" | |
956 | #undef DEF_INSN_NOTE | |
957 | }; | |
958 | ||
959 | #undef CONST_DOUBLE_FORMAT | |
960 | #define GENERATOR_FILE | |
961 | ||
36a5eadd GK |
962 | /* Generate the contents of the rtx_next array. This really doesn't belong |
963 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
964 | ||
965 | static void | |
3d7aafde | 966 | gen_rtx_next (void) |
36a5eadd GK |
967 | { |
968 | int i; | |
969 | for (i = 0; i < NUM_RTX_CODE; i++) | |
970 | { | |
971 | int k; | |
3d7aafde | 972 | |
5ba6918e | 973 | rtx_next_new[i] = -1; |
36a5eadd | 974 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
5ba6918e | 975 | rtx_next_new[i] = 2; |
36a5eadd | 976 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
5ba6918e | 977 | rtx_next_new[i] = 1; |
3d7aafde | 978 | else |
36a5eadd GK |
979 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
980 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
5ba6918e | 981 | rtx_next_new[i] = k; |
36a5eadd GK |
982 | } |
983 | } | |
984 | ||
985 | /* Write out the contents of the rtx_next array. */ | |
986 | static void | |
3d7aafde | 987 | write_rtx_next (void) |
36a5eadd GK |
988 | { |
989 | outf_p f = get_output_file_with_visibility (NULL); | |
990 | int i; | |
b8698a0f | 991 | if (!f) |
bd117bb6 | 992 | return; |
3d7aafde | 993 | |
36a5eadd | 994 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
6bc7bc14 | 995 | oprintf (f, "EXPORTED_CONST unsigned char rtx_next[NUM_RTX_CODE] = {\n"); |
36a5eadd | 996 | for (i = 0; i < NUM_RTX_CODE; i++) |
5ba6918e | 997 | if (rtx_next_new[i] == -1) |
36a5eadd GK |
998 | oprintf (f, " 0,\n"); |
999 | else | |
3d7aafde | 1000 | oprintf (f, |
e1b793e7 | 1001 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", rtx_next_new[i]); |
36a5eadd GK |
1002 | oprintf (f, "};\n"); |
1003 | } | |
1004 | ||
1005 | /* Handle `special("rtx_def")'. This is a special case for field | |
1006 | `fld' of struct rtx_def, which is an array of unions whose values | |
1007 | are based in a complex way on the type of RTL. */ | |
1008 | ||
1009 | static type_p | |
e18476eb | 1010 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
36a5eadd GK |
1011 | { |
1012 | pair_p flds = NULL; | |
1013 | options_p nodot; | |
1014 | int i; | |
1015 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
a2c9fe42 | 1016 | type_p basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
36a5eadd | 1017 | |
e1de1560 | 1018 | if (t->kind != TYPE_UNION) |
36a5eadd | 1019 | { |
3d7aafde | 1020 | error_at_line (&lexer_line, |
e1de1560 | 1021 | "special `rtx_def' must be applied to a union"); |
36a5eadd GK |
1022 | return &string_type; |
1023 | } | |
3d7aafde | 1024 | |
0f01f026 | 1025 | nodot = create_option (NULL, "dot", ""); |
36a5eadd GK |
1026 | |
1027 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
1028 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
1029 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
1030 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
a560d4d4 | 1031 | reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0)); |
36a5eadd | 1032 | basic_block_tp = create_pointer (find_structure ("basic_block_def", 0)); |
e1b793e7 BS |
1033 | constant_tp = |
1034 | create_pointer (find_structure ("constant_descriptor_rtx", 0)); | |
1035 | scalar_tp = &scalar_nonchar; /* rtunion int */ | |
36a5eadd GK |
1036 | |
1037 | { | |
1038 | pair_p note_flds = NULL; | |
1039 | int c; | |
5ba6918e | 1040 | |
9e995780 | 1041 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
36a5eadd | 1042 | { |
5ba6918e GK |
1043 | switch (c) |
1044 | { | |
5ba6918e | 1045 | case NOTE_INSN_MAX: |
1bcca2c5 | 1046 | case NOTE_INSN_DELETED_LABEL: |
0f01f026 | 1047 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
5ba6918e GK |
1048 | break; |
1049 | ||
1050 | case NOTE_INSN_BLOCK_BEG: | |
1051 | case NOTE_INSN_BLOCK_END: | |
0f01f026 | 1052 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
5ba6918e | 1053 | break; |
3d7aafde | 1054 | |
014a1138 | 1055 | case NOTE_INSN_VAR_LOCATION: |
0f01f026 | 1056 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
5ba6918e GK |
1057 | break; |
1058 | ||
1059 | default: | |
0f01f026 | 1060 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
5ba6918e GK |
1061 | break; |
1062 | } | |
0f01f026 RS |
1063 | /* NOTE_INSN_MAX is used as the default field for line |
1064 | number notes. */ | |
1065 | if (c == NOTE_INSN_MAX) | |
1066 | note_flds->opt = create_option (nodot, "default", ""); | |
1067 | else | |
1068 | note_flds->opt = create_option (nodot, "tag", note_insn_name[c]); | |
36a5eadd | 1069 | } |
0f01f026 RS |
1070 | note_union_tp = new_structure ("rtx_def_note_subunion", 1, |
1071 | &lexer_line, note_flds, NULL); | |
36a5eadd | 1072 | } |
c185c797 RS |
1073 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
1074 | { | |
1075 | pair_p sym_flds; | |
1076 | ||
1077 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); | |
1078 | sym_flds->opt = create_option (nodot, "default", ""); | |
1079 | ||
1080 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); | |
1081 | sym_flds->opt = create_option (nodot, "tag", "1"); | |
1082 | ||
1083 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1, | |
1084 | &lexer_line, sym_flds, NULL); | |
1085 | } | |
36a5eadd GK |
1086 | for (i = 0; i < NUM_RTX_CODE; i++) |
1087 | { | |
36a5eadd GK |
1088 | pair_p subfields = NULL; |
1089 | size_t aindex, nmindex; | |
1090 | const char *sname; | |
0f01f026 | 1091 | type_p substruct; |
36a5eadd GK |
1092 | char *ftag; |
1093 | ||
1094 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
1095 | { | |
36a5eadd GK |
1096 | type_p t; |
1097 | const char *subname; | |
1098 | ||
1099 | switch (rtx_format[i][aindex]) | |
1100 | { | |
1101 | case '*': | |
1102 | case 'i': | |
1103 | case 'n': | |
1104 | case 'w': | |
1105 | t = scalar_tp; | |
9ce88f5e | 1106 | subname = "rt_int"; |
36a5eadd GK |
1107 | break; |
1108 | ||
1109 | case '0': | |
1110 | if (i == MEM && aindex == 1) | |
9ce88f5e | 1111 | t = mem_attrs_tp, subname = "rt_mem"; |
6fb5fa3c | 1112 | else if (i == JUMP_INSN && aindex == 8) |
9ce88f5e | 1113 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd | 1114 | else if (i == CODE_LABEL && aindex == 5) |
418e920f BS |
1115 | t = scalar_tp, subname = "rt_int"; |
1116 | else if (i == CODE_LABEL && aindex == 4) | |
9ce88f5e | 1117 | t = rtx_tp, subname = "rt_rtx"; |
e1b793e7 | 1118 | else if (i == LABEL_REF && (aindex == 1 || aindex == 2)) |
9ce88f5e | 1119 | t = rtx_tp, subname = "rt_rtx"; |
418e920f | 1120 | else if (i == NOTE && aindex == 4) |
0f953f83 JJ |
1121 | t = note_union_tp, subname = ""; |
1122 | else if (i == NOTE && aindex == 5) | |
a38e7aa5 | 1123 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1124 | else if (i == NOTE && aindex >= 7) |
9ce88f5e | 1125 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1126 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
9ce88f5e | 1127 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1128 | else if (i == VALUE && aindex == 0) |
9ce88f5e | 1129 | t = scalar_tp, subname = "rt_int"; |
0ca5af51 AO |
1130 | else if (i == DEBUG_EXPR && aindex == 0) |
1131 | t = tree_tp, subname = "rt_tree"; | |
36a5eadd | 1132 | else if (i == REG && aindex == 1) |
9ce88f5e | 1133 | t = scalar_tp, subname = "rt_int"; |
a560d4d4 | 1134 | else if (i == REG && aindex == 2) |
9ce88f5e | 1135 | t = reg_attrs_tp, subname = "rt_reg"; |
36a5eadd | 1136 | else if (i == SCRATCH && aindex == 0) |
9ce88f5e | 1137 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1138 | else if (i == SYMBOL_REF && aindex == 1) |
9ce88f5e | 1139 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1140 | else if (i == SYMBOL_REF && aindex == 2) |
c185c797 | 1141 | t = symbol_union_tp, subname = ""; |
36a5eadd | 1142 | else if (i == BARRIER && aindex >= 3) |
9ce88f5e | 1143 | t = scalar_tp, subname = "rt_int"; |
36a5eadd GK |
1144 | else |
1145 | { | |
3d7aafde | 1146 | error_at_line (&lexer_line, |
e1b793e7 | 1147 | "rtx type `%s' has `0' in position %lu, can't handle", |
6d8dd940 | 1148 | rtx_name[i], (unsigned long) aindex); |
36a5eadd | 1149 | t = &string_type; |
9ce88f5e | 1150 | subname = "rt_int"; |
36a5eadd GK |
1151 | } |
1152 | break; | |
3d7aafde | 1153 | |
36a5eadd GK |
1154 | case 's': |
1155 | case 'S': | |
1156 | case 'T': | |
1157 | t = &string_type; | |
9ce88f5e | 1158 | subname = "rt_str"; |
36a5eadd GK |
1159 | break; |
1160 | ||
1161 | case 'e': | |
1162 | case 'u': | |
1163 | t = rtx_tp; | |
9ce88f5e | 1164 | subname = "rt_rtx"; |
36a5eadd GK |
1165 | break; |
1166 | ||
1167 | case 'E': | |
1168 | case 'V': | |
1169 | t = rtvec_tp; | |
9ce88f5e | 1170 | subname = "rt_rtvec"; |
36a5eadd GK |
1171 | break; |
1172 | ||
1173 | case 't': | |
1174 | t = tree_tp; | |
9ce88f5e | 1175 | subname = "rt_tree"; |
36a5eadd GK |
1176 | break; |
1177 | ||
36a5eadd GK |
1178 | case 'B': |
1179 | t = basic_block_tp; | |
9ce88f5e | 1180 | subname = "rt_bb"; |
36a5eadd GK |
1181 | break; |
1182 | ||
1183 | default: | |
3d7aafde | 1184 | error_at_line (&lexer_line, |
e1b793e7 | 1185 | "rtx type `%s' has `%c' in position %lu, can't handle", |
36a5eadd | 1186 | rtx_name[i], rtx_format[i][aindex], |
e1b793e7 | 1187 | (unsigned long) aindex); |
36a5eadd | 1188 | t = &string_type; |
9ce88f5e | 1189 | subname = "rt_int"; |
36a5eadd GK |
1190 | break; |
1191 | } | |
1192 | ||
0f01f026 RS |
1193 | subfields = create_field (subfields, t, |
1194 | xasprintf (".fld[%lu].%s", | |
1195 | (unsigned long) aindex, | |
1196 | subname)); | |
1197 | subfields->opt = nodot; | |
36a5eadd | 1198 | if (t == note_union_tp) |
0f01f026 | 1199 | subfields->opt = create_option (subfields->opt, "desc", |
a38e7aa5 | 1200 | "NOTE_KIND (&%0)"); |
c185c797 RS |
1201 | if (t == symbol_union_tp) |
1202 | subfields->opt = create_option (subfields->opt, "desc", | |
1203 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
36a5eadd GK |
1204 | } |
1205 | ||
aacd3885 RS |
1206 | if (i == SYMBOL_REF) |
1207 | { | |
3fa9c136 | 1208 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P holds. */ |
aacd3885 | 1209 | type_p field_tp = find_structure ("block_symbol", 0); |
3fa9c136 RS |
1210 | subfields |
1211 | = create_optional_field (subfields, field_tp, "block_sym", | |
1212 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
aacd3885 RS |
1213 | } |
1214 | ||
36a5eadd | 1215 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0f01f026 RS |
1216 | substruct = new_structure (sname, 0, &lexer_line, subfields, NULL); |
1217 | ||
36a5eadd GK |
1218 | ftag = xstrdup (rtx_name[i]); |
1219 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
1220 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0f01f026 RS |
1221 | |
1222 | flds = create_field (flds, substruct, ""); | |
1223 | flds->opt = create_option (nodot, "tag", ftag); | |
36a5eadd GK |
1224 | } |
1225 | ||
0f01f026 | 1226 | return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1227 | } |
1228 | ||
1229 | /* Handle `special("tree_exp")'. This is a special case for | |
1230 | field `operands' of struct tree_exp, which although it claims to contain | |
3d7aafde | 1231 | pointers to trees, actually sometimes contains pointers to RTL too. |
36a5eadd GK |
1232 | Passed T, the old type of the field, and OPT its options. Returns |
1233 | a new type for the field. */ | |
1234 | ||
1235 | static type_p | |
3d7aafde | 1236 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
36a5eadd GK |
1237 | { |
1238 | pair_p flds; | |
1239 | options_p nodot; | |
3d7aafde | 1240 | |
36a5eadd GK |
1241 | if (t->kind != TYPE_ARRAY) |
1242 | { | |
3d7aafde | 1243 | error_at_line (&lexer_line, |
36a5eadd GK |
1244 | "special `tree_exp' must be applied to an array"); |
1245 | return &string_type; | |
1246 | } | |
3d7aafde | 1247 | |
0f01f026 RS |
1248 | nodot = create_option (NULL, "dot", ""); |
1249 | ||
1250 | flds = create_field (NULL, t, ""); | |
1251 | flds->opt = create_option (nodot, "length", | |
5039610b | 1252 | "TREE_OPERAND_LENGTH ((tree) &%0)"); |
0f01f026 | 1253 | flds->opt = create_option (flds->opt, "default", ""); |
3d7aafde | 1254 | |
0f01f026 | 1255 | return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1256 | } |
1257 | ||
9f313342 GK |
1258 | /* Perform any special processing on a type T, about to become the type |
1259 | of a field. Return the appropriate type for the field. | |
1260 | At present: | |
1261 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
1262 | - Similarly for arrays of pointer-to-char; | |
1263 | - Converts structures for which a parameter is provided to | |
36a5eadd GK |
1264 | TYPE_PARAM_STRUCT; |
1265 | - Handles "special" options. | |
3d7aafde | 1266 | */ |
9f313342 | 1267 | |
e2500fed | 1268 | type_p |
3d7aafde | 1269 | adjust_field_type (type_p t, options_p opt) |
e2500fed GK |
1270 | { |
1271 | int length_p = 0; | |
1272 | const int pointer_p = t->kind == TYPE_POINTER; | |
36a5eadd GK |
1273 | type_p params[NUM_PARAM]; |
1274 | int params_p = 0; | |
1275 | int i; | |
1276 | ||
1277 | for (i = 0; i < NUM_PARAM; i++) | |
1278 | params[i] = NULL; | |
3d7aafde | 1279 | |
e2500fed GK |
1280 | for (; opt; opt = opt->next) |
1281 | if (strcmp (opt->name, "length") == 0) | |
1282 | length_p = 1; | |
36a5eadd GK |
1283 | else if (strcmp (opt->name, "param_is") == 0 |
1284 | || (strncmp (opt->name, "param", 5) == 0 | |
1285 | && ISDIGIT (opt->name[5]) | |
1286 | && strcmp (opt->name + 6, "_is") == 0)) | |
e2500fed | 1287 | { |
36a5eadd | 1288 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
e2500fed | 1289 | |
e1b793e7 BS |
1290 | if (!UNION_OR_STRUCT_P (t) |
1291 | && (t->kind != TYPE_POINTER || !UNION_OR_STRUCT_P (t->u.p))) | |
36a5eadd | 1292 | { |
3d7aafde | 1293 | error_at_line (&lexer_line, |
e1b793e7 | 1294 | "option `%s' may only be applied to structures or structure pointers", |
36a5eadd GK |
1295 | opt->name); |
1296 | return t; | |
1297 | } | |
1298 | ||
1299 | params_p = 1; | |
1300 | if (params[num] != NULL) | |
1301 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
e1b793e7 BS |
1302 | if (!ISDIGIT (opt->name[5])) |
1303 | params[num] = | |
1304 | create_pointer (CONST_CAST2 (type_p, const char *, opt->info)); | |
36a5eadd | 1305 | else |
7cbb2a85 | 1306 | params[num] = CONST_CAST2 (type_p, const char *, opt->info); |
e2500fed | 1307 | } |
36a5eadd GK |
1308 | else if (strcmp (opt->name, "special") == 0) |
1309 | { | |
9e2878cf | 1310 | const char *special_name = opt->info; |
36a5eadd GK |
1311 | if (strcmp (special_name, "tree_exp") == 0) |
1312 | t = adjust_field_tree_exp (t, opt); | |
1313 | else if (strcmp (special_name, "rtx_def") == 0) | |
1314 | t = adjust_field_rtx_def (t, opt); | |
1315 | else | |
1316 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
1317 | } | |
1318 | ||
1319 | if (params_p) | |
1320 | { | |
1321 | type_p realt; | |
3d7aafde | 1322 | |
36a5eadd GK |
1323 | if (pointer_p) |
1324 | t = t->u.p; | |
1325 | realt = find_param_structure (t, params); | |
1326 | t = pointer_p ? create_pointer (realt) : realt; | |
1327 | } | |
1328 | ||
e1b793e7 BS |
1329 | if (!length_p |
1330 | && pointer_p && t->u.p->kind == TYPE_SCALAR && t->u.p->u.scalar_is_char) | |
e2500fed GK |
1331 | return &string_type; |
1332 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
1333 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
95161faf | 1334 | && t->u.a.p->u.p->u.scalar_is_char) |
e2500fed GK |
1335 | return create_array (&string_type, t->u.a.len); |
1336 | ||
1337 | return t; | |
1338 | } | |
e2500fed | 1339 | \f |
e1b793e7 | 1340 | |
3d7aafde AJ |
1341 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
1342 | static void set_gc_used (pair_p); | |
e2500fed | 1343 | |
9f313342 GK |
1344 | /* Handle OPT for set_gc_used_type. */ |
1345 | ||
e2500fed | 1346 | static void |
3d7aafde | 1347 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
e1b793e7 BS |
1348 | int *pass_param, int *length, int *skip, |
1349 | type_p *nested_ptr) | |
e2500fed GK |
1350 | { |
1351 | options_p o; | |
1352 | for (o = opt; o; o = o->next) | |
1353 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
7cbb2a85 KG |
1354 | set_gc_used_type (CONST_CAST2 (type_p, const char *, o->info), |
1355 | GC_POINTED_TO, NULL); | |
e2500fed GK |
1356 | else if (strcmp (o->name, "maybe_undef") == 0) |
1357 | *maybe_undef = 1; | |
36a5eadd GK |
1358 | else if (strcmp (o->name, "use_params") == 0) |
1359 | *pass_param = 1; | |
1360 | else if (strcmp (o->name, "length") == 0) | |
1361 | *length = 1; | |
5932ca9d ZW |
1362 | else if (strcmp (o->name, "skip") == 0) |
1363 | *skip = 1; | |
d8044160 GK |
1364 | else if (strcmp (o->name, "nested_ptr") == 0) |
1365 | *nested_ptr = ((const struct nested_ptr_data *) o->info)->type; | |
e2500fed GK |
1366 | } |
1367 | ||
9f313342 GK |
1368 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
1369 | ||
e2500fed | 1370 | static void |
3d7aafde | 1371 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
e2500fed GK |
1372 | { |
1373 | if (t->gc_used >= level) | |
1374 | return; | |
3d7aafde | 1375 | |
e2500fed GK |
1376 | t->gc_used = level; |
1377 | ||
1378 | switch (t->kind) | |
1379 | { | |
1380 | case TYPE_STRUCT: | |
1381 | case TYPE_UNION: | |
1382 | { | |
1383 | pair_p f; | |
1384 | int dummy; | |
d8044160 | 1385 | type_p dummy2; |
e2500fed | 1386 | |
5932ca9d | 1387 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
d8044160 | 1388 | &dummy2); |
e2500fed GK |
1389 | |
1390 | for (f = t->u.s.fields; f; f = f->next) | |
1391 | { | |
1392 | int maybe_undef = 0; | |
36a5eadd GK |
1393 | int pass_param = 0; |
1394 | int length = 0; | |
5932ca9d | 1395 | int skip = 0; |
d8044160 | 1396 | type_p nested_ptr = NULL; |
36a5eadd | 1397 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
5932ca9d | 1398 | &length, &skip, &nested_ptr); |
3d7aafde | 1399 | |
d8044160 | 1400 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
b8698a0f | 1401 | set_gc_used_type (nested_ptr, GC_POINTED_TO, |
d8044160 GK |
1402 | pass_param ? param : NULL); |
1403 | else if (length && f->type->kind == TYPE_POINTER) | |
36a5eadd GK |
1404 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
1405 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
1406 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
1407 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
1408 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
1409 | GC_POINTED_TO, NULL); | |
5932ca9d | 1410 | else if (skip) |
e1b793e7 | 1411 | ; /* target type is not used through this field */ |
e2500fed | 1412 | else |
36a5eadd | 1413 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
e2500fed GK |
1414 | } |
1415 | break; | |
1416 | } | |
1417 | ||
1418 | case TYPE_POINTER: | |
36a5eadd | 1419 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
e2500fed GK |
1420 | break; |
1421 | ||
1422 | case TYPE_ARRAY: | |
36a5eadd | 1423 | set_gc_used_type (t->u.a.p, GC_USED, param); |
e2500fed | 1424 | break; |
3d7aafde | 1425 | |
e2500fed GK |
1426 | case TYPE_LANG_STRUCT: |
1427 | for (t = t->u.s.lang_struct; t; t = t->next) | |
36a5eadd | 1428 | set_gc_used_type (t, level, param); |
e2500fed GK |
1429 | break; |
1430 | ||
1431 | case TYPE_PARAM_STRUCT: | |
36a5eadd GK |
1432 | { |
1433 | int i; | |
1434 | for (i = 0; i < NUM_PARAM; i++) | |
1435 | if (t->u.param_struct.param[i] != 0) | |
1436 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
1437 | } | |
1438 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
1439 | level = GC_POINTED_TO; | |
1440 | else | |
1441 | level = GC_USED; | |
1442 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
3d7aafde | 1443 | set_gc_used_type (t->u.param_struct.stru, level, |
36a5eadd | 1444 | t->u.param_struct.param); |
e2500fed GK |
1445 | break; |
1446 | ||
1447 | default: | |
1448 | break; | |
1449 | } | |
1450 | } | |
1451 | ||
36a5eadd | 1452 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
9f313342 | 1453 | |
e2500fed | 1454 | static void |
3d7aafde | 1455 | set_gc_used (pair_p variables) |
e2500fed GK |
1456 | { |
1457 | pair_p p; | |
1458 | for (p = variables; p; p = p->next) | |
36a5eadd | 1459 | set_gc_used_type (p->type, GC_USED, NULL); |
e2500fed GK |
1460 | } |
1461 | \f | |
1462 | /* File mapping routines. For each input file, there is one output .c file | |
1463 | (but some output files have many input files), and there is one .h file | |
1464 | for the whole build. */ | |
1465 | ||
065ae611 | 1466 | /* Output file handling. */ |
e2500fed | 1467 | |
e03856fe GK |
1468 | /* Create and return an outf_p for a new file for NAME, to be called |
1469 | ONAME. */ | |
9f313342 | 1470 | |
e03856fe | 1471 | static outf_p |
3d7aafde | 1472 | create_file (const char *name, const char *oname) |
e2500fed GK |
1473 | { |
1474 | static const char *const hdr[] = { | |
bd117bb6 | 1475 | " Copyright (C) 2004, 2007, 2009 Free Software Foundation, Inc.\n", |
e2500fed GK |
1476 | "\n", |
1477 | "This file is part of GCC.\n", | |
1478 | "\n", | |
1479 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1480 | "the terms of the GNU General Public License as published by the Free\n", | |
9dcd6f09 | 1481 | "Software Foundation; either version 3, or (at your option) any later\n", |
e2500fed GK |
1482 | "version.\n", |
1483 | "\n", | |
1484 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1485 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1486 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1487 | "for more details.\n", | |
1488 | "\n", | |
1489 | "You should have received a copy of the GNU General Public License\n", | |
9dcd6f09 NC |
1490 | "along with GCC; see the file COPYING3. If not see\n", |
1491 | "<http://www.gnu.org/licenses/>. */\n", | |
e2500fed GK |
1492 | "\n", |
1493 | "/* This file is machine generated. Do not edit. */\n" | |
1494 | }; | |
e03856fe | 1495 | outf_p f; |
e2500fed | 1496 | size_t i; |
3d7aafde | 1497 | |
bd117bb6 BS |
1498 | gcc_assert (name != NULL); |
1499 | gcc_assert (oname != NULL); | |
5d038c4c | 1500 | f = XCNEW (struct outf); |
e03856fe GK |
1501 | f->next = output_files; |
1502 | f->name = oname; | |
1503 | output_files = f; | |
1504 | ||
1505 | oprintf (f, "/* Type information for %s.\n", name); | |
62c71f4b | 1506 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
e03856fe | 1507 | oprintf (f, "%s", hdr[i]); |
e2500fed GK |
1508 | return f; |
1509 | } | |
1510 | ||
b8698a0f | 1511 | /* Print, like fprintf, to O. |
311e3ff0 ZW |
1512 | N.B. You might think this could be implemented more efficiently |
1513 | with vsnprintf(). Unfortunately, there are C libraries that | |
1514 | provide that function but without the C99 semantics for its return | |
1515 | value, making it impossible to know how much space is required. */ | |
3d7aafde | 1516 | void |
e34d07f2 | 1517 | oprintf (outf_p o, const char *format, ...) |
e03856fe | 1518 | { |
311e3ff0 | 1519 | char *s; |
e03856fe | 1520 | size_t slength; |
311e3ff0 | 1521 | va_list ap; |
3d7aafde | 1522 | |
bd117bb6 BS |
1523 | /* In plugin mode, the O could be a NULL pointer, so avoid crashing |
1524 | in that case. */ | |
b8698a0f | 1525 | if (!o) |
bd117bb6 BS |
1526 | return; |
1527 | ||
311e3ff0 ZW |
1528 | va_start (ap, format); |
1529 | slength = vasprintf (&s, format, ap); | |
e1b793e7 | 1530 | if (s == NULL || (int) slength < 0) |
311e3ff0 ZW |
1531 | fatal ("out of memory"); |
1532 | va_end (ap); | |
e03856fe | 1533 | |
311e3ff0 | 1534 | if (o->bufused + slength > o->buflength) |
e03856fe GK |
1535 | { |
1536 | size_t new_len = o->buflength; | |
1537 | if (new_len == 0) | |
1538 | new_len = 1024; | |
e1b793e7 BS |
1539 | do |
1540 | { | |
1541 | new_len *= 2; | |
1542 | } | |
1543 | while (o->bufused + slength >= new_len); | |
cca8ead2 | 1544 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
e03856fe GK |
1545 | o->buflength = new_len; |
1546 | } | |
311e3ff0 | 1547 | memcpy (o->buf + o->bufused, s, slength); |
e03856fe | 1548 | o->bufused += slength; |
311e3ff0 | 1549 | free (s); |
e03856fe GK |
1550 | } |
1551 | ||
9f313342 GK |
1552 | /* Open the global header file and the language-specific header files. */ |
1553 | ||
e2500fed | 1554 | static void |
3d7aafde | 1555 | open_base_files (void) |
e2500fed GK |
1556 | { |
1557 | size_t i; | |
3d7aafde | 1558 | |
bd117bb6 BS |
1559 | if (nb_plugin_files > 0 && plugin_files) |
1560 | return; | |
1561 | ||
e03856fe | 1562 | header_file = create_file ("GCC", "gtype-desc.h"); |
e2500fed | 1563 | |
11a67599 ZW |
1564 | base_files = XNEWVEC (outf_p, num_lang_dirs); |
1565 | ||
1566 | for (i = 0; i < num_lang_dirs; i++) | |
3d7aafde | 1567 | base_files[i] = create_file (lang_dir_names[i], |
8ac9d31f | 1568 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
e03856fe GK |
1569 | |
1570 | /* gtype-desc.c is a little special, so we create it here. */ | |
1571 | { | |
1572 | /* The order of files here matters very much. */ | |
e1b793e7 | 1573 | static const char *const ifiles[] = { |
b6feb796 | 1574 | "config.h", "system.h", "coretypes.h", "tm.h", |
e1b793e7 | 1575 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
7932a3db NS |
1576 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", |
1577 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1578 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
1579 | "tree-flow.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", | |
1d65f45c | 1580 | "cfglayout.h", "except.h", "output.h", "gimple.h", "cfgloop.h", |
3bd36029 | 1581 | "target.h", "ipa-prop.h", "lto-streamer.h", "target-globals.h", NULL |
e03856fe GK |
1582 | }; |
1583 | const char *const *ifp; | |
1584 | outf_p gtype_desc_c; | |
3d7aafde | 1585 | |
e03856fe GK |
1586 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1587 | for (ifp = ifiles; *ifp; ifp++) | |
1588 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
5576d6f2 TT |
1589 | |
1590 | /* Make sure we handle "cfun" specially. */ | |
1591 | oprintf (gtype_desc_c, "\n/* See definition in function.h. */\n"); | |
1592 | oprintf (gtype_desc_c, "#undef cfun\n"); | |
e03856fe | 1593 | } |
e2500fed GK |
1594 | } |
1595 | ||
8de8de02 OH |
1596 | /* For F a filename, return the real basename of F, with all the directory |
1597 | components skipped. */ | |
1598 | ||
1599 | static const char * | |
1600 | get_file_realbasename (const char *f) | |
1601 | { | |
e1b793e7 | 1602 | const char *lastslash = strrchr (f, '/'); |
b8698a0f | 1603 | |
8de8de02 OH |
1604 | return (lastslash != NULL) ? lastslash + 1 : f; |
1605 | } | |
1606 | ||
1607 | /* For F a filename, return the relative path to F from $(srcdir) if the | |
1608 | latter is a prefix in F, NULL otherwise. */ | |
1609 | ||
1610 | static const char * | |
1611 | get_file_srcdir_relative_path (const char *f) | |
1612 | { | |
1613 | if (strlen (f) > srcdir_len | |
1614 | && IS_DIR_SEPARATOR (f[srcdir_len]) | |
1615 | && memcmp (f, srcdir, srcdir_len) == 0) | |
1616 | return f + srcdir_len + 1; | |
1617 | else | |
1618 | return NULL; | |
1619 | } | |
1620 | ||
1621 | /* For F a filename, return the relative path to F from $(srcdir) if the | |
1622 | latter is a prefix in F, or the real basename of F otherwise. */ | |
9f313342 | 1623 | |
e2500fed | 1624 | static const char * |
3d7aafde | 1625 | get_file_basename (const char *f) |
e2500fed | 1626 | { |
e1b793e7 | 1627 | const char *srcdir_path = get_file_srcdir_relative_path (f); |
3d7aafde | 1628 | |
8de8de02 OH |
1629 | return (srcdir_path != NULL) ? srcdir_path : get_file_realbasename (f); |
1630 | } | |
3d7aafde | 1631 | |
8de8de02 OH |
1632 | /* For F a filename, return the lang_dir_names relative index of the language |
1633 | directory that is a prefix in F, if any, -1 otherwise. */ | |
3d7aafde | 1634 | |
8de8de02 OH |
1635 | static int |
1636 | get_prefix_langdir_index (const char *f) | |
1637 | { | |
1638 | size_t f_len = strlen (f); | |
1639 | size_t lang_index; | |
3d7aafde | 1640 | |
8de8de02 | 1641 | for (lang_index = 0; lang_index < num_lang_dirs; lang_index++) |
8ac9d31f | 1642 | { |
e1b793e7 | 1643 | const char *langdir = lang_dir_names[lang_index]; |
8de8de02 | 1644 | size_t langdir_len = strlen (langdir); |
b8698a0f | 1645 | |
8de8de02 OH |
1646 | if (f_len > langdir_len |
1647 | && IS_DIR_SEPARATOR (f[langdir_len]) | |
1648 | && memcmp (f, langdir, langdir_len) == 0) | |
1649 | return lang_index; | |
8ac9d31f | 1650 | } |
3d7aafde | 1651 | |
8de8de02 OH |
1652 | return -1; |
1653 | } | |
1654 | ||
1655 | /* For F a filename, return the name of language directory where F is located, | |
1656 | if any, NULL otherwise. */ | |
1657 | ||
1658 | static const char * | |
1659 | get_file_langdir (const char *f) | |
1660 | { | |
1661 | /* Get the relative path to F from $(srcdir) and find the language by | |
1662 | comparing the prefix with language directory names. If F is not even | |
1663 | srcdir relative, no point in looking further. */ | |
1664 | ||
1665 | int lang_index; | |
e1b793e7 BS |
1666 | const char *srcdir_relative_path = get_file_srcdir_relative_path (f); |
1667 | const char *r; | |
8de8de02 OH |
1668 | |
1669 | if (!srcdir_relative_path) | |
1670 | return NULL; | |
1671 | ||
1672 | lang_index = get_prefix_langdir_index (srcdir_relative_path); | |
e1b793e7 | 1673 | if (lang_index < 0 && strncmp (srcdir_relative_path, "c-family", 8) == 0) |
39dabefd SB |
1674 | r = "c-family"; |
1675 | else if (lang_index >= 0) | |
e1b793e7 | 1676 | r = lang_dir_names[lang_index]; |
39dabefd SB |
1677 | else |
1678 | r = NULL; | |
8de8de02 | 1679 | |
39dabefd | 1680 | return r; |
8de8de02 OH |
1681 | } |
1682 | ||
1683 | /* The gt- output file name for F. */ | |
1684 | ||
1685 | static const char * | |
1686 | get_file_gtfilename (const char *f) | |
1687 | { | |
1688 | /* Cook up an initial version of the gt- file name from the file real | |
1689 | basename and the language name, if any. */ | |
1690 | ||
1691 | const char *basename = get_file_realbasename (f); | |
1692 | const char *langdir = get_file_langdir (f); | |
b8698a0f | 1693 | |
e1b793e7 | 1694 | char *result = |
8de8de02 OH |
1695 | (langdir ? xasprintf ("gt-%s-%s", langdir, basename) |
1696 | : xasprintf ("gt-%s", basename)); | |
1697 | ||
1698 | /* Then replace all non alphanumerics characters by '-' and change the | |
0277fabf | 1699 | extension to ".h". We expect the input filename extension was at least |
8de8de02 OH |
1700 | one character long. */ |
1701 | ||
1702 | char *s = result; | |
1703 | ||
1704 | for (; *s != '.'; s++) | |
e1b793e7 | 1705 | if (!ISALNUM (*s) && *s != '-') |
8de8de02 OH |
1706 | *s = '-'; |
1707 | ||
1708 | memcpy (s, ".h", sizeof (".h")); | |
1709 | ||
1710 | return result; | |
e2500fed GK |
1711 | } |
1712 | ||
9f313342 GK |
1713 | /* An output file, suitable for definitions, that can see declarations |
1714 | made in INPUT_FILE and is linked into every language that uses | |
1715 | INPUT_FILE. */ | |
1716 | ||
e03856fe | 1717 | outf_p |
3d7aafde | 1718 | get_output_file_with_visibility (const char *input_file) |
e2500fed | 1719 | { |
e03856fe | 1720 | outf_p r; |
e2500fed GK |
1721 | size_t len; |
1722 | const char *basename; | |
e03856fe GK |
1723 | const char *for_name; |
1724 | const char *output_name; | |
e2500fed | 1725 | |
e03856fe GK |
1726 | /* This can happen when we need a file with visibility on a |
1727 | structure that we've never seen. We have to just hope that it's | |
1728 | globally visible. */ | |
1729 | if (input_file == NULL) | |
1730 | input_file = "system.h"; | |
e2500fed | 1731 | |
bd117bb6 BS |
1732 | /* In plugin mode, return NULL unless the input_file is one of the |
1733 | plugin_files. */ | |
9b39cba9 BS |
1734 | if (plugin_files) |
1735 | { | |
9f78bf05 | 1736 | size_t i; |
9b39cba9 BS |
1737 | for (i = 0; i < nb_plugin_files; i++) |
1738 | if (strcmp (input_file, plugin_files[i]) == 0) | |
1739 | return plugin_output; | |
1740 | ||
1741 | return NULL; | |
bd117bb6 BS |
1742 | } |
1743 | ||
e2500fed GK |
1744 | /* Determine the output file name. */ |
1745 | basename = get_file_basename (input_file); | |
1746 | ||
1747 | len = strlen (basename); | |
e1b793e7 BS |
1748 | if ((len > 2 && memcmp (basename + len - 2, ".c", 2) == 0) |
1749 | || (len > 2 && memcmp (basename + len - 2, ".y", 2) == 0) | |
1750 | || (len > 3 && memcmp (basename + len - 3, ".in", 3) == 0)) | |
e2500fed | 1751 | { |
b8698a0f | 1752 | output_name = get_file_gtfilename (input_file); |
e03856fe | 1753 | for_name = basename; |
e2500fed | 1754 | } |
ad8c162b ZL |
1755 | /* Some headers get used by more than one front-end; hence, it |
1756 | would be inappropriate to spew them out to a single gtype-<lang>.h | |
1757 | (and gengtype doesn't know how to direct spewage into multiple | |
1758 | gtype-<lang>.h headers at this time). Instead, we pair up these | |
1759 | headers with source files (and their special purpose gt-*.h headers). */ | |
39dabefd SB |
1760 | else if (strncmp (basename, "c-family", 8) == 0 |
1761 | && IS_DIR_SEPARATOR (basename[8]) | |
1762 | && strcmp (basename + 9, "c-common.h") == 0) | |
1763 | output_name = "gt-c-family-c-common.h", for_name = "c-family/c-common.c"; | |
29cc57cf RG |
1764 | else if (strcmp (basename, "c-lang.h") == 0) |
1765 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; | |
e2500fed | 1766 | else if (strcmp (basename, "c-tree.h") == 0) |
e03856fe | 1767 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; |
6e955430 ZL |
1768 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) |
1769 | && strcmp (basename + 3, "cp-tree.h") == 0) | |
1770 | output_name = "gt-cp-tree.h", for_name = "cp/tree.c"; | |
1771 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1772 | && strcmp (basename + 3, "decl.h") == 0) | |
1773 | output_name = "gt-cp-decl.h", for_name = "cp/decl.c"; | |
1774 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1775 | && strcmp (basename + 3, "name-lookup.h") == 0) | |
1776 | output_name = "gt-cp-name-lookup.h", for_name = "cp/name-lookup.c"; | |
e1b793e7 BS |
1777 | else if (strncmp (basename, "objc", 4) == 0 |
1778 | && IS_DIR_SEPARATOR (basename[4]) | |
ad8c162b ZL |
1779 | && strcmp (basename + 5, "objc-act.h") == 0) |
1780 | output_name = "gt-objc-objc-act.h", for_name = "objc/objc-act.c"; | |
b8698a0f | 1781 | else |
e2500fed | 1782 | { |
8de8de02 | 1783 | int lang_index = get_prefix_langdir_index (basename); |
3d7aafde | 1784 | |
8de8de02 OH |
1785 | if (lang_index >= 0) |
1786 | return base_files[lang_index]; | |
e03856fe GK |
1787 | |
1788 | output_name = "gtype-desc.c"; | |
1789 | for_name = NULL; | |
e2500fed GK |
1790 | } |
1791 | ||
1792 | /* Look through to see if we've ever seen this output filename before. */ | |
e03856fe GK |
1793 | for (r = output_files; r; r = r->next) |
1794 | if (strcmp (r->name, output_name) == 0) | |
1795 | return r; | |
e2500fed GK |
1796 | |
1797 | /* If not, create it. */ | |
e03856fe | 1798 | r = create_file (for_name, output_name); |
e2500fed | 1799 | |
bd117bb6 | 1800 | gcc_assert (r && r->name); |
e03856fe | 1801 | return r; |
e2500fed GK |
1802 | } |
1803 | ||
9f313342 GK |
1804 | /* The name of an output file, suitable for definitions, that can see |
1805 | declarations made in INPUT_FILE and is linked into every language | |
1806 | that uses INPUT_FILE. */ | |
1807 | ||
e2500fed | 1808 | const char * |
3d7aafde | 1809 | get_output_file_name (const char *input_file) |
e2500fed | 1810 | { |
e1b793e7 | 1811 | outf_p o = get_output_file_with_visibility (input_file); |
bd117bb6 BS |
1812 | if (o) |
1813 | return o->name; | |
1814 | return NULL; | |
e2500fed GK |
1815 | } |
1816 | ||
41e7ac51 BS |
1817 | /* Check if existing file is equal to the in memory buffer. */ |
1818 | ||
1819 | static bool | |
1820 | is_file_equal (outf_p of) | |
1821 | { | |
1822 | FILE *newfile = fopen (of->name, "r"); | |
1823 | size_t i; | |
1824 | bool equal; | |
1825 | if (newfile == NULL) | |
1826 | return false; | |
1827 | ||
1828 | equal = true; | |
1829 | for (i = 0; i < of->bufused; i++) | |
1830 | { | |
1831 | int ch; | |
1832 | ch = fgetc (newfile); | |
1833 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
1834 | { | |
1835 | equal = false; | |
1836 | break; | |
1837 | } | |
1838 | } | |
1839 | fclose (newfile); | |
1840 | return equal; | |
1841 | } | |
1842 | ||
e03856fe | 1843 | /* Copy the output to its final destination, |
9f313342 GK |
1844 | but don't unnecessarily change modification times. */ |
1845 | ||
e2500fed | 1846 | static void |
3d7aafde | 1847 | close_output_files (void) |
e2500fed | 1848 | { |
e03856fe | 1849 | outf_p of; |
3d7aafde | 1850 | |
e03856fe | 1851 | for (of = output_files; of; of = of->next) |
e2500fed | 1852 | { |
e2500fed | 1853 | |
e1b793e7 BS |
1854 | if (!is_file_equal (of)) |
1855 | { | |
1856 | FILE *newfile = fopen (of->name, "w"); | |
1857 | if (newfile == NULL) | |
1858 | fatal ("opening output file %s: %s", of->name, xstrerror (errno)); | |
1859 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) | |
1860 | fatal ("writing output file %s: %s", of->name, xstrerror (errno)); | |
1861 | if (fclose (newfile) != 0) | |
1862 | fatal ("closing output file %s: %s", of->name, xstrerror (errno)); | |
1863 | } | |
1864 | free (of->buf); | |
41e7ac51 BS |
1865 | of->buf = NULL; |
1866 | of->bufused = of->buflength = 0; | |
e2500fed GK |
1867 | } |
1868 | } | |
1869 | \f | |
e1b793e7 BS |
1870 | struct flist |
1871 | { | |
e2500fed GK |
1872 | struct flist *next; |
1873 | int started_p; | |
1874 | const char *name; | |
e03856fe | 1875 | outf_p f; |
e2500fed GK |
1876 | }; |
1877 | ||
17211ab5 GK |
1878 | struct walk_type_data; |
1879 | ||
1880 | /* For scalars and strings, given the item in 'val'. | |
1881 | For structures, given a pointer to the item in 'val'. | |
1882 | For misc. pointers, given the item in 'val'. | |
1883 | */ | |
e1b793e7 BS |
1884 | typedef void (*process_field_fn) (type_p f, const struct walk_type_data * p); |
1885 | typedef void (*func_name_fn) (type_p s, const struct walk_type_data * p); | |
17211ab5 GK |
1886 | |
1887 | /* Parameters for write_types. */ | |
1888 | ||
3d7aafde | 1889 | struct write_types_data |
17211ab5 GK |
1890 | { |
1891 | const char *prefix; | |
1892 | const char *param_prefix; | |
1893 | const char *subfield_marker_routine; | |
1894 | const char *marker_routine; | |
1895 | const char *reorder_note_routine; | |
1896 | const char *comment; | |
8d6419b2 | 1897 | int skip_hooks; /* skip hook generation if non zero */ |
17211ab5 GK |
1898 | }; |
1899 | ||
3d7aafde AJ |
1900 | static void output_escaped_param (struct walk_type_data *d, |
1901 | const char *, const char *); | |
e5cfc29f | 1902 | static void output_mangled_typename (outf_p, const_type_p); |
3d7aafde | 1903 | static void walk_type (type_p t, struct walk_type_data *d); |
e1b793e7 | 1904 | static void write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
a9429e29 | 1905 | const struct write_types_data *wtd); |
3d7aafde | 1906 | static void write_types_process_field |
e1b793e7 | 1907 | (type_p f, const struct walk_type_data *d); |
0182d016 | 1908 | static void write_types (outf_p output_header, |
e1b793e7 | 1909 | type_p structures, |
3d7aafde AJ |
1910 | type_p param_structs, |
1911 | const struct write_types_data *wtd); | |
17211ab5 | 1912 | static void write_types_local_process_field |
e1b793e7 | 1913 | (type_p f, const struct walk_type_data *d); |
17211ab5 | 1914 | static void write_local_func_for_structure |
e1b793e7 | 1915 | (const_type_p orig_s, type_p s, type_p *param); |
0182d016 | 1916 | static void write_local (outf_p output_header, |
e1b793e7 | 1917 | type_p structures, type_p param_structs); |
3d7aafde AJ |
1918 | static void write_enum_defn (type_p structures, type_p param_structs); |
1919 | static int contains_scalar_p (type_p t); | |
e1b793e7 | 1920 | static void put_mangled_filename (outf_p, const char *); |
3d7aafde AJ |
1921 | static void finish_root_table (struct flist *flp, const char *pfx, |
1922 | const char *tname, const char *lastname, | |
1923 | const char *name); | |
e1b793e7 | 1924 | static void write_root (outf_p, pair_p, type_p, const char *, int, |
99be7084 | 1925 | struct fileloc *, const char *, bool); |
3d7aafde AJ |
1926 | static void write_array (outf_p f, pair_p v, |
1927 | const struct write_types_data *wtd); | |
99be7084 | 1928 | static void write_roots (pair_p, bool); |
e2500fed | 1929 | |
17211ab5 | 1930 | /* Parameters for walk_type. */ |
e2500fed | 1931 | |
17211ab5 | 1932 | struct walk_type_data |
e2500fed | 1933 | { |
17211ab5 GK |
1934 | process_field_fn process_field; |
1935 | const void *cookie; | |
1936 | outf_p of; | |
1937 | options_p opt; | |
1938 | const char *val; | |
1939 | const char *prev_val[4]; | |
1940 | int indent; | |
1941 | int counter; | |
0277fabf | 1942 | const struct fileloc *line; |
17211ab5 GK |
1943 | lang_bitmap bitmap; |
1944 | type_p *param; | |
1945 | int used_length; | |
1946 | type_p orig_s; | |
1947 | const char *reorder_fn; | |
d8044160 GK |
1948 | bool needs_cast_p; |
1949 | bool fn_wants_lvalue; | |
17211ab5 | 1950 | }; |
36a5eadd GK |
1951 | |
1952 | /* Print a mangled name representing T to OF. */ | |
1953 | ||
1954 | static void | |
e5cfc29f | 1955 | output_mangled_typename (outf_p of, const_type_p t) |
36a5eadd GK |
1956 | { |
1957 | if (t == NULL) | |
1958 | oprintf (of, "Z"); | |
e1b793e7 BS |
1959 | else |
1960 | switch (t->kind) | |
36a5eadd | 1961 | { |
e1b793e7 BS |
1962 | case TYPE_POINTER: |
1963 | oprintf (of, "P"); | |
1964 | output_mangled_typename (of, t->u.p); | |
1965 | break; | |
1966 | case TYPE_SCALAR: | |
1967 | oprintf (of, "I"); | |
1968 | break; | |
1969 | case TYPE_STRING: | |
1970 | oprintf (of, "S"); | |
1971 | break; | |
1972 | case TYPE_STRUCT: | |
1973 | case TYPE_UNION: | |
1974 | case TYPE_LANG_STRUCT: | |
1975 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), | |
1976 | t->u.s.tag); | |
1977 | break; | |
1978 | case TYPE_PARAM_STRUCT: | |
1979 | { | |
1980 | int i; | |
1981 | for (i = 0; i < NUM_PARAM; i++) | |
1982 | if (t->u.param_struct.param[i] != NULL) | |
1983 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
1984 | output_mangled_typename (of, t->u.param_struct.stru); | |
1985 | } | |
1986 | break; | |
1987 | case TYPE_ARRAY: | |
1988 | gcc_unreachable (); | |
36a5eadd | 1989 | } |
e2500fed GK |
1990 | } |
1991 | ||
17211ab5 GK |
1992 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
1993 | current object, D->PREV_VAL the object containing the current | |
1994 | object, ONAME is the name of the option and D->LINE is used to | |
1995 | print error messages. */ | |
9f313342 | 1996 | |
e2500fed | 1997 | static void |
3d7aafde AJ |
1998 | output_escaped_param (struct walk_type_data *d, const char *param, |
1999 | const char *oname) | |
e2500fed | 2000 | { |
17211ab5 | 2001 | const char *p; |
3d7aafde | 2002 | |
17211ab5 GK |
2003 | for (p = param; *p; p++) |
2004 | if (*p != '%') | |
2005 | oprintf (d->of, "%c", *p); | |
e1b793e7 BS |
2006 | else |
2007 | switch (*++p) | |
e2500fed | 2008 | { |
e1b793e7 BS |
2009 | case 'h': |
2010 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
2011 | break; | |
2012 | case '0': | |
2013 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
2014 | break; | |
2015 | case '1': | |
2016 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
2017 | break; | |
2018 | case 'a': | |
2019 | { | |
2020 | const char *pp = d->val + strlen (d->val); | |
2021 | while (pp[-1] == ']') | |
2022 | while (*pp != '[') | |
2023 | pp--; | |
2024 | oprintf (d->of, "%s", pp); | |
2025 | } | |
2026 | break; | |
2027 | default: | |
2028 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
2029 | oname, '%', *p); | |
e2500fed | 2030 | } |
17211ab5 | 2031 | } |
e2500fed | 2032 | |
17211ab5 GK |
2033 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
2034 | which is of type T. Write code to D->OF to constrain execution (at | |
2035 | the point that D->PROCESS_FIELD is called) to the appropriate | |
4da6879c GK |
2036 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
2037 | pointers to those objects. D->PREV_VAL lists the objects | |
2038 | containing the current object, D->OPT is a list of options to | |
2039 | apply, D->INDENT is the current indentation level, D->LINE is used | |
2040 | to print error messages, D->BITMAP indicates which languages to | |
2041 | print the structure for, and D->PARAM is the current parameter | |
2042 | (from an enclosing param_is option). */ | |
e2500fed | 2043 | |
17211ab5 | 2044 | static void |
3d7aafde | 2045 | walk_type (type_p t, struct walk_type_data *d) |
17211ab5 GK |
2046 | { |
2047 | const char *length = NULL; | |
2048 | const char *desc = NULL; | |
2049 | int maybe_undef_p = 0; | |
2050 | int use_param_num = -1; | |
2051 | int use_params_p = 0; | |
17211ab5 | 2052 | options_p oo; |
b453c95f | 2053 | const struct nested_ptr_data *nested_ptr_d = NULL; |
3d7aafde | 2054 | |
d8044160 | 2055 | d->needs_cast_p = false; |
17211ab5 GK |
2056 | for (oo = d->opt; oo; oo = oo->next) |
2057 | if (strcmp (oo->name, "length") == 0) | |
9e2878cf | 2058 | length = oo->info; |
17211ab5 GK |
2059 | else if (strcmp (oo->name, "maybe_undef") == 0) |
2060 | maybe_undef_p = 1; | |
2061 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
2062 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2063 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
2064 | else if (strcmp (oo->name, "use_params") == 0) | |
2065 | use_params_p = 1; | |
2066 | else if (strcmp (oo->name, "desc") == 0) | |
9e2878cf | 2067 | desc = oo->info; |
8d6419b2 BS |
2068 | else if (strcmp (oo->name, "mark_hook") == 0) |
2069 | ; | |
b453c95f | 2070 | else if (strcmp (oo->name, "nested_ptr") == 0) |
d8044160 | 2071 | nested_ptr_d = (const struct nested_ptr_data *) oo->info; |
17211ab5 GK |
2072 | else if (strcmp (oo->name, "dot") == 0) |
2073 | ; | |
2074 | else if (strcmp (oo->name, "tag") == 0) | |
2075 | ; | |
2076 | else if (strcmp (oo->name, "special") == 0) | |
2077 | ; | |
2078 | else if (strcmp (oo->name, "skip") == 0) | |
2079 | ; | |
2080 | else if (strcmp (oo->name, "default") == 0) | |
2081 | ; | |
2082 | else if (strcmp (oo->name, "descbits") == 0) | |
2083 | ; | |
2084 | else if (strcmp (oo->name, "param_is") == 0) | |
2085 | ; | |
084087e1 | 2086 | else if (strncmp (oo->name, "param", 5) == 0 |
e1b793e7 | 2087 | && ISDIGIT (oo->name[5]) && strcmp (oo->name + 6, "_is") == 0) |
084087e1 | 2088 | ; |
17211ab5 GK |
2089 | else if (strcmp (oo->name, "chain_next") == 0) |
2090 | ; | |
2091 | else if (strcmp (oo->name, "chain_prev") == 0) | |
2092 | ; | |
623f8e39 JJ |
2093 | else if (strcmp (oo->name, "chain_circular") == 0) |
2094 | ; | |
17211ab5 GK |
2095 | else if (strcmp (oo->name, "reorder") == 0) |
2096 | ; | |
a9429e29 LB |
2097 | else if (strcmp (oo->name, "variable_size") == 0) |
2098 | ; | |
17211ab5 GK |
2099 | else |
2100 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
36a5eadd | 2101 | |
17211ab5 GK |
2102 | if (d->used_length) |
2103 | length = NULL; | |
36a5eadd | 2104 | |
17211ab5 GK |
2105 | if (use_params_p) |
2106 | { | |
2107 | int pointer_p = t->kind == TYPE_POINTER; | |
3d7aafde | 2108 | |
17211ab5 GK |
2109 | if (pointer_p) |
2110 | t = t->u.p; | |
e1b793e7 | 2111 | if (!UNION_OR_STRUCT_P (t)) |
17211ab5 | 2112 | error_at_line (d->line, "`use_params' option on unimplemented type"); |
3d7aafde | 2113 | else |
17211ab5 GK |
2114 | t = find_param_structure (t, d->param); |
2115 | if (pointer_p) | |
2116 | t = create_pointer (t); | |
2117 | } | |
3d7aafde | 2118 | |
17211ab5 GK |
2119 | if (use_param_num != -1) |
2120 | { | |
2121 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
e2500fed | 2122 | { |
17211ab5 | 2123 | type_p nt = d->param[use_param_num]; |
3d7aafde | 2124 | |
17211ab5 GK |
2125 | if (t->kind == TYPE_ARRAY) |
2126 | nt = create_array (nt, t->u.a.len); | |
2127 | else if (length != NULL && t->kind == TYPE_POINTER) | |
2128 | nt = create_pointer (nt); | |
f099d360 GK |
2129 | d->needs_cast_p = (t->kind != TYPE_POINTER |
2130 | && (nt->kind == TYPE_POINTER | |
2131 | || nt->kind == TYPE_STRING)); | |
17211ab5 | 2132 | t = nt; |
e2500fed | 2133 | } |
17211ab5 | 2134 | else |
e1b793e7 | 2135 | error_at_line (d->line, "no parameter defined for `%s'", d->val); |
17211ab5 | 2136 | } |
3d7aafde AJ |
2137 | |
2138 | if (maybe_undef_p | |
e1b793e7 | 2139 | && (t->kind != TYPE_POINTER || !UNION_OR_STRUCT_P (t->u.p))) |
17211ab5 | 2140 | { |
3d7aafde | 2141 | error_at_line (d->line, |
17211ab5 GK |
2142 | "field `%s' has invalid option `maybe_undef_p'\n", |
2143 | d->val); | |
2144 | return; | |
2145 | } | |
3d7aafde | 2146 | |
17211ab5 GK |
2147 | switch (t->kind) |
2148 | { | |
2149 | case TYPE_SCALAR: | |
2150 | case TYPE_STRING: | |
2151 | d->process_field (t, d); | |
2152 | break; | |
3d7aafde | 2153 | |
17211ab5 GK |
2154 | case TYPE_POINTER: |
2155 | { | |
e1b793e7 | 2156 | if (maybe_undef_p && t->u.p->u.s.line.file == NULL) |
17211ab5 | 2157 | { |
b2d59f6f | 2158 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
17211ab5 GK |
2159 | break; |
2160 | } | |
e2500fed | 2161 | |
e1b793e7 | 2162 | if (!length) |
e2500fed | 2163 | { |
e1b793e7 | 2164 | if (!UNION_OR_STRUCT_P (t->u.p) |
17211ab5 | 2165 | && t->u.p->kind != TYPE_PARAM_STRUCT) |
e2500fed | 2166 | { |
3d7aafde | 2167 | error_at_line (d->line, |
17211ab5 GK |
2168 | "field `%s' is pointer to unimplemented type", |
2169 | d->val); | |
e2500fed GK |
2170 | break; |
2171 | } | |
3d7aafde | 2172 | |
b453c95f GK |
2173 | if (nested_ptr_d) |
2174 | { | |
2175 | const char *oldprevval2 = d->prev_val[2]; | |
2176 | ||
e1b793e7 | 2177 | if (!UNION_OR_STRUCT_P (nested_ptr_d->type)) |
b453c95f GK |
2178 | { |
2179 | error_at_line (d->line, | |
2180 | "field `%s' has invalid " | |
e1b793e7 | 2181 | "option `nested_ptr'\n", d->val); |
b453c95f GK |
2182 | return; |
2183 | } | |
2184 | ||
2185 | d->prev_val[2] = d->val; | |
2186 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2187 | d->indent += 2; | |
2188 | d->val = xasprintf ("x%d", d->counter++); | |
d8044160 | 2189 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
b8698a0f L |
2190 | (nested_ptr_d->type->kind == TYPE_UNION |
2191 | ? "union" : "struct"), | |
2192 | nested_ptr_d->type->u.s.tag, | |
e1b793e7 | 2193 | d->fn_wants_lvalue ? "" : "const ", d->val); |
b453c95f GK |
2194 | oprintf (d->of, "%*s", d->indent + 2, ""); |
2195 | output_escaped_param (d, nested_ptr_d->convert_from, | |
2196 | "nested_ptr"); | |
2197 | oprintf (d->of, ";\n"); | |
2198 | ||
2199 | d->process_field (nested_ptr_d->type, d); | |
2200 | ||
d8044160 GK |
2201 | if (d->fn_wants_lvalue) |
2202 | { | |
2203 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
2204 | d->prev_val[2]); | |
2205 | d->prev_val[2] = d->val; | |
2206 | output_escaped_param (d, nested_ptr_d->convert_to, | |
2207 | "nested_ptr"); | |
2208 | oprintf (d->of, ";\n"); | |
2209 | } | |
b453c95f GK |
2210 | |
2211 | d->indent -= 2; | |
2212 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2213 | d->val = d->prev_val[2]; | |
2214 | d->prev_val[2] = oldprevval2; | |
2215 | } | |
2216 | else | |
2217 | d->process_field (t->u.p, d); | |
e2500fed | 2218 | } |
3d7aafde | 2219 | else |
e2500fed | 2220 | { |
17211ab5 GK |
2221 | int loopcounter = d->counter++; |
2222 | const char *oldval = d->val; | |
2223 | const char *oldprevval3 = d->prev_val[3]; | |
e2500fed GK |
2224 | char *newval; |
2225 | ||
17211ab5 GK |
2226 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
2227 | d->indent += 2; | |
2228 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
e1b793e7 BS |
2229 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, |
2230 | "", loopcounter, loopcounter); | |
17211ab5 GK |
2231 | output_escaped_param (d, length, "length"); |
2232 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
2233 | d->indent += 2; | |
2234 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2235 | d->used_length = 1; | |
2236 | d->prev_val[3] = oldval; | |
2237 | walk_type (t->u.p, d); | |
e2500fed | 2238 | free (newval); |
17211ab5 GK |
2239 | d->val = oldval; |
2240 | d->prev_val[3] = oldprevval3; | |
2241 | d->used_length = 0; | |
2242 | d->indent -= 2; | |
2243 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e1b793e7 | 2244 | d->process_field (t, d); |
17211ab5 GK |
2245 | d->indent -= 2; |
2246 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e2500fed | 2247 | } |
17211ab5 GK |
2248 | } |
2249 | break; | |
e2500fed | 2250 | |
17211ab5 GK |
2251 | case TYPE_ARRAY: |
2252 | { | |
2253 | int loopcounter = d->counter++; | |
2254 | const char *oldval = d->val; | |
2255 | char *newval; | |
2256 | ||
6356f892 | 2257 | /* If it's an array of scalars, we optimize by not generating |
17211ab5 GK |
2258 | any code. */ |
2259 | if (t->u.a.p->kind == TYPE_SCALAR) | |
e2500fed | 2260 | break; |
3d7aafde | 2261 | |
5039610b SL |
2262 | /* When walking an array, compute the length and store it in a |
2263 | local variable before walking the array elements, instead of | |
2264 | recomputing the length expression each time through the loop. | |
2265 | This is necessary to handle tcc_vl_exp objects like CALL_EXPR, | |
2266 | where the length is stored in the first array element, | |
2267 | because otherwise that operand can get overwritten on the | |
2268 | first iteration. */ | |
17211ab5 GK |
2269 | oprintf (d->of, "%*s{\n", d->indent, ""); |
2270 | d->indent += 2; | |
2271 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
5039610b SL |
2272 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", |
2273 | d->indent, "", loopcounter); | |
17211ab5 GK |
2274 | if (length) |
2275 | output_escaped_param (d, length, "length"); | |
2276 | else | |
2277 | oprintf (d->of, "%s", t->u.a.len); | |
5039610b | 2278 | oprintf (d->of, ");\n"); |
b8698a0f | 2279 | |
5039610b SL |
2280 | oprintf (d->of, "%*sfor (i%d = 0; i%d != l%d; i%d++) {\n", |
2281 | d->indent, "", | |
2282 | loopcounter, loopcounter, loopcounter, loopcounter); | |
17211ab5 GK |
2283 | d->indent += 2; |
2284 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2285 | d->used_length = 1; | |
2286 | walk_type (t->u.a.p, d); | |
2287 | free (newval); | |
2288 | d->used_length = 0; | |
2289 | d->val = oldval; | |
2290 | d->indent -= 2; | |
2291 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2292 | d->indent -= 2; | |
2293 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2294 | } | |
2295 | break; | |
3d7aafde | 2296 | |
17211ab5 GK |
2297 | case TYPE_STRUCT: |
2298 | case TYPE_UNION: | |
2299 | { | |
2300 | pair_p f; | |
2301 | const char *oldval = d->val; | |
2302 | const char *oldprevval1 = d->prev_val[1]; | |
2303 | const char *oldprevval2 = d->prev_val[2]; | |
2304 | const int union_p = t->kind == TYPE_UNION; | |
2305 | int seen_default_p = 0; | |
2306 | options_p o; | |
2307 | ||
e1b793e7 | 2308 | if (!t->u.s.line.file) |
17211ab5 | 2309 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); |
e2500fed | 2310 | |
17211ab5 | 2311 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
e2500fed | 2312 | { |
17211ab5 GK |
2313 | error_at_line (d->line, |
2314 | "structure `%s' defined for mismatching languages", | |
2315 | t->u.s.tag); | |
2316 | error_at_line (&t->u.s.line, "one structure defined here"); | |
2317 | } | |
e2500fed | 2318 | |
17211ab5 GK |
2319 | /* Some things may also be defined in the structure's options. */ |
2320 | for (o = t->u.s.opt; o; o = o->next) | |
e1b793e7 | 2321 | if (!desc && strcmp (o->name, "desc") == 0) |
9e2878cf | 2322 | desc = o->info; |
e2500fed | 2323 | |
17211ab5 GK |
2324 | d->prev_val[2] = oldval; |
2325 | d->prev_val[1] = oldprevval2; | |
2326 | if (union_p) | |
2327 | { | |
2328 | if (desc == NULL) | |
e2500fed | 2329 | { |
e1b793e7 BS |
2330 | error_at_line (d->line, |
2331 | "missing `desc' option for union `%s'", | |
17211ab5 GK |
2332 | t->u.s.tag); |
2333 | desc = "1"; | |
e2500fed | 2334 | } |
17211ab5 GK |
2335 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
2336 | output_escaped_param (d, desc, "desc"); | |
2337 | oprintf (d->of, ")\n"); | |
2338 | d->indent += 2; | |
2339 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2340 | } | |
2341 | for (f = t->u.s.fields; f; f = f->next) | |
2342 | { | |
2343 | options_p oo; | |
2344 | const char *dot = "."; | |
2345 | const char *tagid = NULL; | |
2346 | int skip_p = 0; | |
2347 | int default_p = 0; | |
2348 | int use_param_p = 0; | |
2349 | char *newval; | |
2350 | ||
2351 | d->reorder_fn = NULL; | |
2352 | for (oo = f->opt; oo; oo = oo->next) | |
2353 | if (strcmp (oo->name, "dot") == 0) | |
9e2878cf | 2354 | dot = oo->info; |
17211ab5 | 2355 | else if (strcmp (oo->name, "tag") == 0) |
9e2878cf | 2356 | tagid = oo->info; |
17211ab5 GK |
2357 | else if (strcmp (oo->name, "skip") == 0) |
2358 | skip_p = 1; | |
2359 | else if (strcmp (oo->name, "default") == 0) | |
2360 | default_p = 1; | |
2361 | else if (strcmp (oo->name, "reorder") == 0) | |
9e2878cf | 2362 | d->reorder_fn = oo->info; |
17211ab5 GK |
2363 | else if (strncmp (oo->name, "use_param", 9) == 0 |
2364 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2365 | use_param_p = 1; | |
2366 | ||
2367 | if (skip_p) | |
2368 | continue; | |
2369 | ||
2370 | if (union_p && tagid) | |
e2500fed | 2371 | { |
17211ab5 GK |
2372 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
2373 | d->indent += 2; | |
e2500fed | 2374 | } |
17211ab5 | 2375 | else if (union_p && default_p) |
e2500fed | 2376 | { |
17211ab5 GK |
2377 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
2378 | d->indent += 2; | |
2379 | seen_default_p = 1; | |
e2500fed | 2380 | } |
e1b793e7 | 2381 | else if (!union_p && (default_p || tagid)) |
3d7aafde | 2382 | error_at_line (d->line, |
17211ab5 GK |
2383 | "can't use `%s' outside a union on field `%s'", |
2384 | default_p ? "default" : "tag", f->name); | |
e1b793e7 | 2385 | else if (union_p && !(default_p || tagid) |
17211ab5 | 2386 | && f->type->kind == TYPE_SCALAR) |
e2500fed | 2387 | { |
17211ab5 | 2388 | fprintf (stderr, |
e1b793e7 | 2389 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", |
17211ab5 GK |
2390 | d->line->file, d->line->line, f->name); |
2391 | continue; | |
e2500fed | 2392 | } |
e1b793e7 | 2393 | else if (union_p && !(default_p || tagid)) |
3d7aafde | 2394 | error_at_line (d->line, |
17211ab5 | 2395 | "field `%s' is missing `tag' or `default' option", |
e2500fed | 2396 | f->name); |
3d7aafde | 2397 | |
17211ab5 GK |
2398 | d->line = &f->line; |
2399 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
2400 | d->opt = f->opt; | |
d8044160 | 2401 | d->used_length = false; |
17211ab5 GK |
2402 | |
2403 | if (union_p && use_param_p && d->param == NULL) | |
b2d59f6f | 2404 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
17211ab5 GK |
2405 | else |
2406 | walk_type (f->type, d); | |
2407 | ||
2408 | free (newval); | |
2409 | ||
2410 | if (union_p) | |
e2500fed | 2411 | { |
17211ab5 GK |
2412 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
2413 | d->indent -= 2; | |
e2500fed | 2414 | } |
17211ab5 GK |
2415 | } |
2416 | d->reorder_fn = NULL; | |
e2500fed | 2417 | |
17211ab5 GK |
2418 | d->val = oldval; |
2419 | d->prev_val[1] = oldprevval1; | |
2420 | d->prev_val[2] = oldprevval2; | |
2421 | ||
e1b793e7 | 2422 | if (union_p && !seen_default_p) |
17211ab5 GK |
2423 | { |
2424 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
2425 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
2426 | } | |
2427 | if (union_p) | |
2428 | { | |
2429 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2430 | d->indent -= 2; | |
e2500fed | 2431 | } |
17211ab5 GK |
2432 | } |
2433 | break; | |
e2500fed | 2434 | |
17211ab5 GK |
2435 | case TYPE_LANG_STRUCT: |
2436 | { | |
2437 | type_p nt; | |
2438 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
2439 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
2440 | break; | |
2441 | if (nt == NULL) | |
2442 | error_at_line (d->line, "structure `%s' differs between languages", | |
2443 | t->u.s.tag); | |
2444 | else | |
2445 | walk_type (nt, d); | |
2446 | } | |
2447 | break; | |
2448 | ||
2449 | case TYPE_PARAM_STRUCT: | |
2450 | { | |
2451 | type_p *oldparam = d->param; | |
3d7aafde | 2452 | |
17211ab5 GK |
2453 | d->param = t->u.param_struct.param; |
2454 | walk_type (t->u.param_struct.stru, d); | |
2455 | d->param = oldparam; | |
2456 | } | |
2457 | break; | |
3d7aafde | 2458 | |
17211ab5 | 2459 | default: |
b2d59f6f | 2460 | gcc_unreachable (); |
e2500fed | 2461 | } |
17211ab5 GK |
2462 | } |
2463 | ||
2464 | /* process_field routine for marking routines. */ | |
2465 | ||
2466 | static void | |
3d7aafde | 2467 | write_types_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2468 | { |
2469 | const struct write_types_data *wtd; | |
f099d360 | 2470 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
17211ab5 | 2471 | wtd = (const struct write_types_data *) d->cookie; |
3d7aafde | 2472 | |
17211ab5 | 2473 | switch (f->kind) |
e2500fed | 2474 | { |
17211ab5 | 2475 | case TYPE_POINTER: |
3d7aafde | 2476 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
f099d360 | 2477 | wtd->subfield_marker_routine, cast, d->val); |
17211ab5 | 2478 | if (wtd->param_prefix) |
36a5eadd | 2479 | { |
17211ab5 GK |
2480 | oprintf (d->of, ", %s", d->prev_val[3]); |
2481 | if (d->orig_s) | |
2482 | { | |
2483 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
2484 | output_mangled_typename (d->of, d->orig_s); | |
2485 | } | |
2486 | else | |
2487 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
08cee789 DJ |
2488 | |
2489 | if (f->u.p->kind == TYPE_PARAM_STRUCT | |
2490 | && f->u.p->u.s.line.file != NULL) | |
2491 | { | |
2492 | oprintf (d->of, ", gt_e_"); | |
2493 | output_mangled_typename (d->of, f); | |
2494 | } | |
e1b793e7 | 2495 | else if (UNION_OR_STRUCT_P (f) && f->u.p->u.s.line.file != NULL) |
08cee789 DJ |
2496 | { |
2497 | oprintf (d->of, ", gt_ggc_e_"); | |
2498 | output_mangled_typename (d->of, f); | |
2499 | } | |
2500 | else | |
2501 | oprintf (d->of, ", gt_types_enum_last"); | |
36a5eadd | 2502 | } |
17211ab5 GK |
2503 | oprintf (d->of, ");\n"); |
2504 | if (d->reorder_fn && wtd->reorder_note_routine) | |
3d7aafde | 2505 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
f099d360 | 2506 | wtd->reorder_note_routine, cast, d->val, |
17211ab5 GK |
2507 | d->prev_val[3], d->reorder_fn); |
2508 | break; | |
2509 | ||
2510 | case TYPE_STRING: | |
17211ab5 GK |
2511 | case TYPE_STRUCT: |
2512 | case TYPE_UNION: | |
2513 | case TYPE_LANG_STRUCT: | |
2514 | case TYPE_PARAM_STRUCT: | |
2515 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
2516 | output_mangled_typename (d->of, f); | |
f099d360 | 2517 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
17211ab5 | 2518 | if (d->reorder_fn && wtd->reorder_note_routine) |
3d7aafde | 2519 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
f099d360 | 2520 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
17211ab5 GK |
2521 | d->reorder_fn); |
2522 | break; | |
2523 | ||
2524 | case TYPE_SCALAR: | |
2525 | break; | |
3d7aafde | 2526 | |
17211ab5 | 2527 | default: |
b2d59f6f | 2528 | gcc_unreachable (); |
e2500fed GK |
2529 | } |
2530 | } | |
2531 | ||
2d82317d RH |
2532 | /* A subroutine of write_func_for_structure. Write the enum tag for S. */ |
2533 | ||
2534 | static void | |
2535 | output_type_enum (outf_p of, type_p s) | |
2536 | { | |
6ba2db5e | 2537 | if (s->kind == TYPE_PARAM_STRUCT && s->u.param_struct.line.file != NULL) |
2d82317d RH |
2538 | { |
2539 | oprintf (of, ", gt_e_"); | |
2540 | output_mangled_typename (of, s); | |
2541 | } | |
2542 | else if (UNION_OR_STRUCT_P (s) && s->u.s.line.file != NULL) | |
2543 | { | |
2544 | oprintf (of, ", gt_ggc_e_"); | |
2545 | output_mangled_typename (of, s); | |
2546 | } | |
2547 | else | |
2548 | oprintf (of, ", gt_types_enum_last"); | |
2549 | } | |
2550 | ||
0277fabf LB |
2551 | /* Return an output file that is suitable for definitions which can |
2552 | reference struct S */ | |
2553 | ||
2554 | static outf_p | |
2555 | get_output_file_for_structure (const_type_p s, type_p *param) | |
2556 | { | |
e1b793e7 | 2557 | const char *fn = s->u.s.line.file; |
0277fabf LB |
2558 | int i; |
2559 | ||
2560 | /* This is a hack, and not the good kind either. */ | |
2561 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
2562 | if (param && param[i] && param[i]->kind == TYPE_POINTER | |
2563 | && UNION_OR_STRUCT_P (param[i]->u.p)) | |
2564 | fn = param[i]->u.p->u.s.line.file; | |
2565 | ||
2566 | return get_output_file_with_visibility (fn); | |
2567 | } | |
2568 | ||
17211ab5 GK |
2569 | /* For S, a structure that's part of ORIG_S, and using parameters |
2570 | PARAM, write out a routine that: | |
2571 | - Takes a parameter, a void * but actually of type *S | |
2572 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
e1b793e7 BS |
2573 | field of S or its substructures and (in some cases) things |
2574 | that are pointed to by S. | |
17211ab5 | 2575 | */ |
9f313342 | 2576 | |
e2500fed | 2577 | static void |
8c80adb7 SB |
2578 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
2579 | const struct write_types_data *wtd) | |
e2500fed | 2580 | { |
36a5eadd GK |
2581 | const char *chain_next = NULL; |
2582 | const char *chain_prev = NULL; | |
623f8e39 | 2583 | const char *chain_circular = NULL; |
8d6419b2 | 2584 | const char *mark_hook_name = NULL; |
36a5eadd | 2585 | options_p opt; |
17211ab5 | 2586 | struct walk_type_data d; |
3d7aafde | 2587 | |
17211ab5 | 2588 | memset (&d, 0, sizeof (d)); |
0277fabf | 2589 | d.of = get_output_file_for_structure (s, param); |
3d7aafde | 2590 | |
36a5eadd GK |
2591 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2592 | if (strcmp (opt->name, "chain_next") == 0) | |
9e2878cf | 2593 | chain_next = opt->info; |
36a5eadd | 2594 | else if (strcmp (opt->name, "chain_prev") == 0) |
9e2878cf | 2595 | chain_prev = opt->info; |
623f8e39 JJ |
2596 | else if (strcmp (opt->name, "chain_circular") == 0) |
2597 | chain_circular = opt->info; | |
8d6419b2 BS |
2598 | else if (strcmp (opt->name, "mark_hook") == 0) |
2599 | mark_hook_name = opt->info; | |
36a5eadd GK |
2600 | |
2601 | if (chain_prev != NULL && chain_next == NULL) | |
2602 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
623f8e39 JJ |
2603 | if (chain_circular != NULL && chain_next != NULL) |
2604 | error_at_line (&s->u.s.line, "chain_circular with chain_next"); | |
2605 | if (chain_circular != NULL) | |
2606 | chain_next = chain_circular; | |
36a5eadd | 2607 | |
17211ab5 GK |
2608 | d.process_field = write_types_process_field; |
2609 | d.cookie = wtd; | |
2610 | d.orig_s = orig_s; | |
2611 | d.opt = s->u.s.opt; | |
2612 | d.line = &s->u.s.line; | |
2613 | d.bitmap = s->u.s.bitmap; | |
2614 | d.param = param; | |
2615 | d.prev_val[0] = "*x"; | |
e1b793e7 | 2616 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2617 | d.prev_val[3] = "x"; |
2618 | d.val = "(*x)"; | |
2619 | ||
2620 | oprintf (d.of, "\n"); | |
2621 | oprintf (d.of, "void\n"); | |
e2500fed | 2622 | if (param == NULL) |
17211ab5 | 2623 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
e2500fed | 2624 | else |
36a5eadd | 2625 | { |
17211ab5 GK |
2626 | oprintf (d.of, "gt_%s_", wtd->prefix); |
2627 | output_mangled_typename (d.of, orig_s); | |
36a5eadd | 2628 | } |
6906ba40 | 2629 | oprintf (d.of, " (void *x_p)\n"); |
17211ab5 GK |
2630 | oprintf (d.of, "{\n"); |
2631 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
e2500fed | 2632 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
36a5eadd | 2633 | chain_next == NULL ? "const " : "", |
e2500fed | 2634 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
36a5eadd | 2635 | if (chain_next != NULL) |
17211ab5 | 2636 | oprintf (d.of, " %s %s * xlimit = x;\n", |
36a5eadd GK |
2637 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
2638 | if (chain_next == NULL) | |
17211ab5 GK |
2639 | { |
2640 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
2641 | if (wtd->param_prefix) | |
2642 | { | |
2643 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
2644 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2645 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2646 | } |
2647 | oprintf (d.of, "))\n"); | |
2648 | } | |
36a5eadd GK |
2649 | else |
2650 | { | |
623f8e39 JJ |
2651 | if (chain_circular != NULL) |
2652 | oprintf (d.of, " if (!%s (xlimit", wtd->marker_routine); | |
2653 | else | |
2654 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
17211ab5 GK |
2655 | if (wtd->param_prefix) |
2656 | { | |
2657 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2658 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2659 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2660 | } |
2661 | oprintf (d.of, "))\n"); | |
623f8e39 JJ |
2662 | if (chain_circular != NULL) |
2663 | oprintf (d.of, " return;\n do\n"); | |
8d6419b2 BS |
2664 | if (mark_hook_name && !wtd->skip_hooks) |
2665 | { | |
2666 | oprintf (d.of, " {\n"); | |
2667 | oprintf (d.of, " %s (xlimit);\n ", mark_hook_name); | |
2668 | } | |
17211ab5 GK |
2669 | oprintf (d.of, " xlimit = ("); |
2670 | d.prev_val[2] = "*xlimit"; | |
2671 | output_escaped_param (&d, chain_next, "chain_next"); | |
2672 | oprintf (d.of, ");\n"); | |
8d6419b2 BS |
2673 | if (mark_hook_name && !wtd->skip_hooks) |
2674 | oprintf (d.of, " }\n"); | |
36a5eadd GK |
2675 | if (chain_prev != NULL) |
2676 | { | |
17211ab5 GK |
2677 | oprintf (d.of, " if (x != xlimit)\n"); |
2678 | oprintf (d.of, " for (;;)\n"); | |
2679 | oprintf (d.of, " {\n"); | |
2680 | oprintf (d.of, " %s %s * const xprev = (", | |
36a5eadd | 2681 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
3d7aafde | 2682 | |
17211ab5 GK |
2683 | d.prev_val[2] = "*x"; |
2684 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
2685 | oprintf (d.of, ");\n"); | |
2686 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
2687 | oprintf (d.of, " x = xprev;\n"); | |
e1b793e7 | 2688 | oprintf (d.of, " (void) %s (xprev", wtd->marker_routine); |
17211ab5 GK |
2689 | if (wtd->param_prefix) |
2690 | { | |
2691 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
2692 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 2693 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
2694 | } |
2695 | oprintf (d.of, ");\n"); | |
2696 | oprintf (d.of, " }\n"); | |
36a5eadd | 2697 | } |
623f8e39 JJ |
2698 | if (chain_circular != NULL) |
2699 | { | |
2700 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
2701 | if (wtd->param_prefix) | |
2702 | { | |
2703 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2704 | output_mangled_typename (d.of, orig_s); | |
2705 | output_type_enum (d.of, orig_s); | |
2706 | } | |
2707 | oprintf (d.of, "));\n"); | |
2708 | if (mark_hook_name && !wtd->skip_hooks) | |
2709 | oprintf (d.of, " %s (xlimit);\n", mark_hook_name); | |
2710 | oprintf (d.of, " do\n"); | |
2711 | } | |
2712 | else | |
2713 | oprintf (d.of, " while (x != xlimit)\n"); | |
36a5eadd | 2714 | } |
17211ab5 | 2715 | oprintf (d.of, " {\n"); |
8d6419b2 BS |
2716 | if (mark_hook_name && chain_next == NULL && !wtd->skip_hooks) |
2717 | { | |
2718 | oprintf (d.of, " %s (x);\n", mark_hook_name); | |
2719 | } | |
17211ab5 GK |
2720 | d.prev_val[2] = "*x"; |
2721 | d.indent = 6; | |
2722 | walk_type (s, &d); | |
3d7aafde | 2723 | |
36a5eadd GK |
2724 | if (chain_next != NULL) |
2725 | { | |
17211ab5 GK |
2726 | oprintf (d.of, " x = ("); |
2727 | output_escaped_param (&d, chain_next, "chain_next"); | |
2728 | oprintf (d.of, ");\n"); | |
36a5eadd GK |
2729 | } |
2730 | ||
17211ab5 | 2731 | oprintf (d.of, " }\n"); |
623f8e39 JJ |
2732 | if (chain_circular != NULL) |
2733 | oprintf (d.of, " while (x != xlimit);\n"); | |
17211ab5 | 2734 | oprintf (d.of, "}\n"); |
e2500fed | 2735 | } |
9f313342 GK |
2736 | |
2737 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
e2500fed GK |
2738 | |
2739 | static void | |
0182d016 | 2740 | write_types (outf_p output_header, type_p structures, type_p param_structs, |
3d7aafde | 2741 | const struct write_types_data *wtd) |
e2500fed GK |
2742 | { |
2743 | type_p s; | |
3d7aafde | 2744 | |
0182d016 | 2745 | oprintf (output_header, "\n/* %s*/\n", wtd->comment); |
c802b1cf BS |
2746 | /* We first emit the macros and the declarations. Functions' code is |
2747 | emitted afterwards. This is needed in plugin mode. */ | |
2748 | oprintf (output_header, "/* macros and declarations */\n"); | |
e2500fed | 2749 | for (s = structures; s; s = s->next) |
e1b793e7 | 2750 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
e2500fed GK |
2751 | { |
2752 | options_p opt; | |
3d7aafde | 2753 | |
e1b793e7 | 2754 | if (s->gc_used == GC_MAYBE_POINTED_TO && s->u.s.line.file == NULL) |
e2500fed GK |
2755 | continue; |
2756 | ||
0182d016 BS |
2757 | oprintf (output_header, "#define gt_%s_", wtd->prefix); |
2758 | output_mangled_typename (output_header, s); | |
2759 | oprintf (output_header, "(X) do { \\\n"); | |
2760 | oprintf (output_header, | |
3d7aafde | 2761 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
17211ab5 | 2762 | s->u.s.tag); |
e1b793e7 | 2763 | oprintf (output_header, " } while (0)\n"); |
3d7aafde | 2764 | |
e2500fed GK |
2765 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2766 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2767 | { | |
e5cfc29f | 2768 | const_type_p const t = (const_type_p) opt->info; |
3d7aafde | 2769 | if (t->kind == TYPE_STRUCT |
e1b793e7 | 2770 | || t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT) |
0182d016 | 2771 | oprintf (output_header, |
17211ab5 GK |
2772 | "#define gt_%sx_%s gt_%sx_%s\n", |
2773 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
e2500fed | 2774 | else |
3d7aafde | 2775 | error_at_line (&s->u.s.line, |
e2500fed GK |
2776 | "structure alias is not a structure"); |
2777 | break; | |
2778 | } | |
2779 | if (opt) | |
2780 | continue; | |
2781 | ||
2782 | /* Declare the marker procedure only once. */ | |
0182d016 | 2783 | oprintf (output_header, |
3d7aafde | 2784 | "extern void gt_%sx_%s (void *);\n", |
17211ab5 | 2785 | wtd->prefix, s->u.s.tag); |
3d7aafde | 2786 | |
e2500fed GK |
2787 | if (s->u.s.line.file == NULL) |
2788 | { | |
3d7aafde | 2789 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2790 | s->u.s.tag); |
2791 | continue; | |
2792 | } | |
e2500fed GK |
2793 | } |
2794 | ||
2795 | for (s = param_structs; s; s = s->next) | |
2796 | if (s->gc_used == GC_POINTED_TO) | |
2797 | { | |
e2500fed GK |
2798 | type_p stru = s->u.param_struct.stru; |
2799 | ||
e2500fed | 2800 | /* Declare the marker procedure. */ |
0182d016 BS |
2801 | oprintf (output_header, "extern void gt_%s_", wtd->prefix); |
2802 | output_mangled_typename (output_header, s); | |
2803 | oprintf (output_header, " (void *);\n"); | |
3d7aafde | 2804 | |
e2500fed GK |
2805 | if (stru->u.s.line.file == NULL) |
2806 | { | |
3d7aafde | 2807 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
2808 | s->u.s.tag); |
2809 | continue; | |
2810 | } | |
c802b1cf | 2811 | } |
b8698a0f L |
2812 | |
2813 | /* At last we emit the functions code. */ | |
c802b1cf BS |
2814 | oprintf (output_header, "\n/* functions code */\n"); |
2815 | for (s = structures; s; s = s->next) | |
e1b793e7 | 2816 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
c802b1cf BS |
2817 | { |
2818 | options_p opt; | |
3d7aafde | 2819 | |
e1b793e7 | 2820 | if (s->gc_used == GC_MAYBE_POINTED_TO && s->u.s.line.file == NULL) |
c802b1cf BS |
2821 | continue; |
2822 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2823 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2824 | break; | |
2825 | if (opt) | |
2826 | continue; | |
b8698a0f | 2827 | |
c802b1cf BS |
2828 | if (s->kind == TYPE_LANG_STRUCT) |
2829 | { | |
2830 | type_p ss; | |
2831 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2832 | write_func_for_structure (s, ss, NULL, wtd); | |
2833 | } | |
2834 | else | |
2835 | write_func_for_structure (s, s, NULL, wtd); | |
2836 | } | |
2837 | for (s = param_structs; s; s = s->next) | |
2838 | if (s->gc_used == GC_POINTED_TO) | |
2839 | { | |
2840 | type_p *param = s->u.param_struct.param; | |
2841 | type_p stru = s->u.param_struct.stru; | |
2842 | if (stru->u.s.line.file == NULL) | |
2843 | continue; | |
e2500fed GK |
2844 | if (stru->kind == TYPE_LANG_STRUCT) |
2845 | { | |
2846 | type_p ss; | |
2847 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
17211ab5 GK |
2848 | write_func_for_structure (s, ss, param, wtd); |
2849 | } | |
2850 | else | |
2851 | write_func_for_structure (s, stru, param, wtd); | |
2852 | } | |
2853 | } | |
2854 | ||
e1b793e7 | 2855 | static const struct write_types_data ggc_wtd = { |
17211ab5 | 2856 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, |
8d6419b2 BS |
2857 | "GC marker procedures. ", |
2858 | FALSE | |
17211ab5 GK |
2859 | }; |
2860 | ||
e1b793e7 | 2861 | static const struct write_types_data pch_wtd = { |
17211ab5 GK |
2862 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", |
2863 | "gt_pch_note_reorder", | |
8d6419b2 BS |
2864 | "PCH type-walking procedures. ", |
2865 | TRUE | |
17211ab5 GK |
2866 | }; |
2867 | ||
2868 | /* Write out the local pointer-walking routines. */ | |
2869 | ||
2870 | /* process_field routine for local pointer-walking. */ | |
2871 | ||
2872 | static void | |
3d7aafde | 2873 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2874 | { |
2875 | switch (f->kind) | |
2876 | { | |
2877 | case TYPE_POINTER: | |
2878 | case TYPE_STRUCT: | |
2879 | case TYPE_UNION: | |
2880 | case TYPE_LANG_STRUCT: | |
2881 | case TYPE_PARAM_STRUCT: | |
2882 | case TYPE_STRING: | |
2883 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
2884 | d->prev_val[3]); | |
2885 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
2886 | break; | |
2887 | ||
2888 | case TYPE_SCALAR: | |
2889 | break; | |
3d7aafde | 2890 | |
17211ab5 | 2891 | default: |
b2d59f6f | 2892 | gcc_unreachable (); |
17211ab5 GK |
2893 | } |
2894 | } | |
2895 | ||
2896 | /* For S, a structure that's part of ORIG_S, and using parameters | |
2897 | PARAM, write out a routine that: | |
2898 | - Is of type gt_note_pointers | |
d8044160 | 2899 | - Calls PROCESS_FIELD on each field of S or its substructures. |
17211ab5 GK |
2900 | */ |
2901 | ||
2902 | static void | |
0277fabf | 2903 | write_local_func_for_structure (const_type_p orig_s, type_p s, type_p *param) |
17211ab5 | 2904 | { |
17211ab5 | 2905 | struct walk_type_data d; |
3d7aafde | 2906 | |
17211ab5 | 2907 | memset (&d, 0, sizeof (d)); |
0277fabf | 2908 | d.of = get_output_file_for_structure (s, param); |
17211ab5 GK |
2909 | d.process_field = write_types_local_process_field; |
2910 | d.opt = s->u.s.opt; | |
2911 | d.line = &s->u.s.line; | |
2912 | d.bitmap = s->u.s.bitmap; | |
2913 | d.param = param; | |
2914 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
e1b793e7 | 2915 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
2916 | d.prev_val[3] = "x"; |
2917 | d.val = "(*x)"; | |
d8044160 | 2918 | d.fn_wants_lvalue = true; |
17211ab5 GK |
2919 | |
2920 | oprintf (d.of, "\n"); | |
2921 | oprintf (d.of, "void\n"); | |
2922 | oprintf (d.of, "gt_pch_p_"); | |
2923 | output_mangled_typename (d.of, orig_s); | |
e18476eb BI |
2924 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
2925 | "\tvoid *x_p,\n" | |
2926 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
2927 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
17211ab5 GK |
2928 | oprintf (d.of, "{\n"); |
2929 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
2930 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
2931 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
2932 | d.indent = 2; | |
2933 | walk_type (s, &d); | |
2934 | oprintf (d.of, "}\n"); | |
2935 | } | |
2936 | ||
2937 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
2938 | ||
2939 | static void | |
0182d016 | 2940 | write_local (outf_p output_header, type_p structures, type_p param_structs) |
17211ab5 GK |
2941 | { |
2942 | type_p s; | |
3d7aafde | 2943 | |
b8698a0f | 2944 | if (!output_header) |
bd117bb6 | 2945 | return; |
0182d016 | 2946 | oprintf (output_header, "\n/* Local pointer-walking routines. */\n"); |
17211ab5 | 2947 | for (s = structures; s; s = s->next) |
e1b793e7 | 2948 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
17211ab5 GK |
2949 | { |
2950 | options_p opt; | |
3d7aafde | 2951 | |
17211ab5 GK |
2952 | if (s->u.s.line.file == NULL) |
2953 | continue; | |
2954 | ||
2955 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2956 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2957 | { | |
e5cfc29f | 2958 | const_type_p const t = (const_type_p) opt->info; |
3d7aafde | 2959 | if (t->kind == TYPE_STRUCT |
e1b793e7 | 2960 | || t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT) |
17211ab5 | 2961 | { |
0182d016 BS |
2962 | oprintf (output_header, "#define gt_pch_p_"); |
2963 | output_mangled_typename (output_header, s); | |
2964 | oprintf (output_header, " gt_pch_p_"); | |
2965 | output_mangled_typename (output_header, t); | |
2966 | oprintf (output_header, "\n"); | |
17211ab5 GK |
2967 | } |
2968 | else | |
3d7aafde | 2969 | error_at_line (&s->u.s.line, |
17211ab5 GK |
2970 | "structure alias is not a structure"); |
2971 | break; | |
2972 | } | |
2973 | if (opt) | |
2974 | continue; | |
2975 | ||
2976 | /* Declare the marker procedure only once. */ | |
0182d016 BS |
2977 | oprintf (output_header, "extern void gt_pch_p_"); |
2978 | output_mangled_typename (output_header, s); | |
2979 | oprintf (output_header, | |
e1b793e7 | 2980 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
3d7aafde | 2981 | |
17211ab5 GK |
2982 | if (s->kind == TYPE_LANG_STRUCT) |
2983 | { | |
2984 | type_p ss; | |
2985 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
2986 | write_local_func_for_structure (s, ss, NULL); | |
2987 | } | |
2988 | else | |
2989 | write_local_func_for_structure (s, s, NULL); | |
2990 | } | |
2991 | ||
2992 | for (s = param_structs; s; s = s->next) | |
2993 | if (s->gc_used == GC_POINTED_TO) | |
2994 | { | |
e1b793e7 | 2995 | type_p *param = s->u.param_struct.param; |
17211ab5 GK |
2996 | type_p stru = s->u.param_struct.stru; |
2997 | ||
2998 | /* Declare the marker procedure. */ | |
0182d016 BS |
2999 | oprintf (output_header, "extern void gt_pch_p_"); |
3000 | output_mangled_typename (output_header, s); | |
3001 | oprintf (output_header, | |
e1b793e7 | 3002 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
3d7aafde | 3003 | |
17211ab5 GK |
3004 | if (stru->u.s.line.file == NULL) |
3005 | { | |
3d7aafde | 3006 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
17211ab5 GK |
3007 | s->u.s.tag); |
3008 | continue; | |
3009 | } | |
3d7aafde | 3010 | |
17211ab5 GK |
3011 | if (stru->kind == TYPE_LANG_STRUCT) |
3012 | { | |
3013 | type_p ss; | |
3014 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
3015 | write_local_func_for_structure (s, ss, param); | |
e2500fed GK |
3016 | } |
3017 | else | |
17211ab5 | 3018 | write_local_func_for_structure (s, stru, param); |
36a5eadd GK |
3019 | } |
3020 | } | |
3021 | ||
a9429e29 LB |
3022 | /* Nonzero if S is a type for which typed GC allocators should be output. */ |
3023 | ||
3024 | #define USED_BY_TYPED_GC_P(s) \ | |
3025 | (((s->kind == TYPE_POINTER) \ | |
3026 | && ((s->u.p->gc_used == GC_POINTED_TO) \ | |
3027 | || (s->u.p->gc_used == GC_USED))) \ | |
3028 | || (UNION_OR_STRUCT_P (s) && \ | |
3029 | (((s)->gc_used == GC_POINTED_TO) \ | |
3030 | || ((s)->gc_used == GC_MAYBE_POINTED_TO \ | |
3031 | && s->u.s.line.file != NULL) \ | |
3032 | || ((s)->gc_used == GC_USED \ | |
3033 | && strncmp (s->u.s.tag, "anonymous", strlen ("anonymous")))))) | |
3034 | ||
3035 | ||
36a5eadd GK |
3036 | /* Write out the 'enum' definition for gt_types_enum. */ |
3037 | ||
3038 | static void | |
8c80adb7 | 3039 | write_enum_defn (type_p structures, type_p param_structs) |
36a5eadd GK |
3040 | { |
3041 | type_p s; | |
3d7aafde | 3042 | |
b8698a0f | 3043 | if (!header_file) |
bd117bb6 | 3044 | return; |
36a5eadd GK |
3045 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
3046 | oprintf (header_file, "enum gt_types_enum {\n"); | |
3047 | for (s = structures; s; s = s->next) | |
a9429e29 | 3048 | if (USED_BY_TYPED_GC_P (s)) |
36a5eadd | 3049 | { |
36a5eadd GK |
3050 | oprintf (header_file, " gt_ggc_e_"); |
3051 | output_mangled_typename (header_file, s); | |
a9429e29 | 3052 | oprintf (header_file, ",\n"); |
e2500fed | 3053 | } |
36a5eadd GK |
3054 | for (s = param_structs; s; s = s->next) |
3055 | if (s->gc_used == GC_POINTED_TO) | |
3056 | { | |
3057 | oprintf (header_file, " gt_e_"); | |
3058 | output_mangled_typename (header_file, s); | |
a9429e29 | 3059 | oprintf (header_file, ",\n"); |
36a5eadd GK |
3060 | } |
3061 | oprintf (header_file, " gt_types_enum_last\n"); | |
3062 | oprintf (header_file, "};\n"); | |
e2500fed GK |
3063 | } |
3064 | ||
17211ab5 GK |
3065 | /* Might T contain any non-pointer elements? */ |
3066 | ||
3067 | static int | |
3d7aafde | 3068 | contains_scalar_p (type_p t) |
17211ab5 GK |
3069 | { |
3070 | switch (t->kind) | |
3071 | { | |
3072 | case TYPE_STRING: | |
3073 | case TYPE_POINTER: | |
3074 | return 0; | |
3075 | case TYPE_ARRAY: | |
3076 | return contains_scalar_p (t->u.a.p); | |
3077 | default: | |
3078 | /* Could also check for structures that have no non-pointer | |
e1b793e7 | 3079 | fields, but there aren't enough of those to worry about. */ |
17211ab5 GK |
3080 | return 1; |
3081 | } | |
3082 | } | |
36a5eadd | 3083 | |
9f313342 GK |
3084 | /* Mangle FN and print it to F. */ |
3085 | ||
e2500fed | 3086 | static void |
3d7aafde | 3087 | put_mangled_filename (outf_p f, const char *fn) |
e2500fed GK |
3088 | { |
3089 | const char *name = get_output_file_name (fn); | |
b8698a0f | 3090 | if (!f || !name) |
bd117bb6 | 3091 | return; |
e2500fed | 3092 | for (; *name != 0; name++) |
1f8e4682 | 3093 | if (ISALNUM (*name)) |
e03856fe | 3094 | oprintf (f, "%c", *name); |
e2500fed | 3095 | else |
e03856fe | 3096 | oprintf (f, "%c", '_'); |
e2500fed GK |
3097 | } |
3098 | ||
9f313342 GK |
3099 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
3100 | LASTNAME, and NAME are all strings to insert in various places in | |
3101 | the resulting code. */ | |
3102 | ||
e2500fed | 3103 | static void |
3d7aafde AJ |
3104 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
3105 | const char *tname, const char *name) | |
e2500fed GK |
3106 | { |
3107 | struct flist *fli2; | |
3d7aafde | 3108 | |
e2500fed GK |
3109 | for (fli2 = flp; fli2; fli2 = fli2->next) |
3110 | if (fli2->started_p) | |
3111 | { | |
e03856fe GK |
3112 | oprintf (fli2->f, " %s\n", lastname); |
3113 | oprintf (fli2->f, "};\n\n"); | |
e2500fed GK |
3114 | } |
3115 | ||
bd117bb6 | 3116 | for (fli2 = flp; fli2 && base_files; fli2 = fli2->next) |
e2500fed GK |
3117 | if (fli2->started_p) |
3118 | { | |
11a67599 | 3119 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
e2500fed GK |
3120 | int fnum; |
3121 | ||
3122 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
3123 | if (bitmap & 1) | |
3124 | { | |
e03856fe | 3125 | oprintf (base_files[fnum], |
e1b793e7 | 3126 | "extern const struct %s gt_%s_", tname, pfx); |
e2500fed | 3127 | put_mangled_filename (base_files[fnum], fli2->name); |
e03856fe | 3128 | oprintf (base_files[fnum], "[];\n"); |
e2500fed GK |
3129 | } |
3130 | } | |
3d7aafde | 3131 | |
17211ab5 GK |
3132 | { |
3133 | size_t fnum; | |
bd117bb6 | 3134 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
e1b793e7 BS |
3135 | oprintf (base_files[fnum], |
3136 | "EXPORTED_CONST struct %s * const %s[] = {\n", tname, name); | |
17211ab5 | 3137 | } |
3d7aafde | 3138 | |
e2500fed GK |
3139 | |
3140 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
3141 | if (fli2->started_p) | |
3142 | { | |
11a67599 | 3143 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
e2500fed GK |
3144 | int fnum; |
3145 | ||
3146 | fli2->started_p = 0; | |
3147 | ||
bd117bb6 | 3148 | for (fnum = 0; base_files && bitmap != 0; fnum++, bitmap >>= 1) |
e2500fed GK |
3149 | if (bitmap & 1) |
3150 | { | |
17211ab5 | 3151 | oprintf (base_files[fnum], " gt_%s_", pfx); |
e2500fed | 3152 | put_mangled_filename (base_files[fnum], fli2->name); |
e03856fe | 3153 | oprintf (base_files[fnum], ",\n"); |
e2500fed GK |
3154 | } |
3155 | } | |
3156 | ||
3157 | { | |
17211ab5 | 3158 | size_t fnum; |
bd117bb6 | 3159 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
17211ab5 GK |
3160 | { |
3161 | oprintf (base_files[fnum], " NULL\n"); | |
3162 | oprintf (base_files[fnum], "};\n"); | |
3163 | } | |
e2500fed GK |
3164 | } |
3165 | } | |
3166 | ||
b08e0339 RS |
3167 | /* Write the first three fields (pointer, count and stride) for |
3168 | root NAME to F. V and LINE are as for write_root. | |
3169 | ||
3170 | Return true if the entry could be written; return false on error. */ | |
3171 | ||
3172 | static bool | |
3173 | start_root_entry (outf_p f, pair_p v, const char *name, struct fileloc *line) | |
3174 | { | |
3175 | type_p ap; | |
3176 | ||
3177 | if (!v) | |
3178 | { | |
3179 | error_at_line (line, "`%s' is too complex to be a root", name); | |
3180 | return false; | |
3181 | } | |
3182 | ||
3183 | oprintf (f, " {\n"); | |
3184 | oprintf (f, " &%s,\n", name); | |
3185 | oprintf (f, " 1"); | |
3186 | ||
3187 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
3188 | if (ap->u.a.len[0]) | |
3189 | oprintf (f, " * (%s)", ap->u.a.len); | |
3190 | else if (ap == v->type) | |
3191 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); | |
3192 | oprintf (f, ",\n"); | |
3193 | oprintf (f, " sizeof (%s", v->name); | |
3194 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
3195 | oprintf (f, "[0]"); | |
3196 | oprintf (f, "),\n"); | |
3197 | return true; | |
3198 | } | |
3199 | ||
647565f6 RS |
3200 | /* A subroutine of write_root for writing the roots for field FIELD_NAME, |
3201 | which has type FIELD_TYPE. Parameters F to EMIT_PCH are the parameters | |
3202 | of the caller. */ | |
3203 | ||
3204 | static void | |
3205 | write_field_root (outf_p f, pair_p v, type_p type, const char *name, | |
3206 | int has_length, struct fileloc *line, const char *if_marked, | |
3207 | bool emit_pch, type_p field_type, const char *field_name) | |
3208 | { | |
3209 | /* If the field reference is relative to V, rather than to some | |
3210 | subcomponent of V, we can mark any subarrays with a single stride. | |
3211 | We're effectively treating the field as a global variable in its | |
3212 | own right. */ | |
b08e0339 | 3213 | if (v && type == v->type) |
647565f6 RS |
3214 | { |
3215 | struct pair newv; | |
3216 | ||
3217 | newv = *v; | |
3218 | newv.type = field_type; | |
3219 | newv.name = ACONCAT ((v->name, ".", field_name, NULL)); | |
3220 | v = &newv; | |
3221 | } | |
3222 | /* Otherwise, any arrays nested in the structure are too complex to | |
3223 | handle. */ | |
3224 | else if (field_type->kind == TYPE_ARRAY) | |
b08e0339 | 3225 | v = NULL; |
647565f6 RS |
3226 | write_root (f, v, field_type, ACONCAT ((name, ".", field_name, NULL)), |
3227 | has_length, line, if_marked, emit_pch); | |
3228 | } | |
3229 | ||
9f313342 | 3230 | /* Write out to F the table entry and any marker routines needed to |
b08e0339 RS |
3231 | mark NAME as TYPE. V can be one of three values: |
3232 | ||
e1b793e7 BS |
3233 | - null, if NAME is too complex to represent using a single |
3234 | count and stride. In this case, it is an error for NAME to | |
3235 | contain any gc-ed data. | |
b08e0339 | 3236 | |
e1b793e7 | 3237 | - the outermost array that contains NAME, if NAME is part of an array. |
b08e0339 | 3238 | |
e1b793e7 | 3239 | - the C variable that contains NAME, if NAME is not part of an array. |
b08e0339 RS |
3240 | |
3241 | LINE is the line of the C source that declares the root variable. | |
9f313342 GK |
3242 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED |
3243 | is nonzero iff we are building the root table for hash table caches. */ | |
3244 | ||
e2500fed | 3245 | static void |
3d7aafde | 3246 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
99be7084 | 3247 | struct fileloc *line, const char *if_marked, bool emit_pch) |
e2500fed GK |
3248 | { |
3249 | switch (type->kind) | |
3250 | { | |
3251 | case TYPE_STRUCT: | |
3252 | { | |
3253 | pair_p fld; | |
3254 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
3255 | { | |
3256 | int skip_p = 0; | |
3257 | const char *desc = NULL; | |
3258 | options_p o; | |
3d7aafde | 3259 | |
e2500fed GK |
3260 | for (o = fld->opt; o; o = o->next) |
3261 | if (strcmp (o->name, "skip") == 0) | |
3262 | skip_p = 1; | |
3263 | else if (strcmp (o->name, "desc") == 0) | |
9e2878cf | 3264 | desc = o->info; |
69c32ec8 JH |
3265 | else if (strcmp (o->name, "param_is") == 0) |
3266 | ; | |
e2500fed GK |
3267 | else |
3268 | error_at_line (line, | |
e1b793e7 | 3269 | "field `%s' of global `%s' has unknown option `%s'", |
e2500fed | 3270 | fld->name, name, o->name); |
3d7aafde | 3271 | |
e2500fed GK |
3272 | if (skip_p) |
3273 | continue; | |
3274 | else if (desc && fld->type->kind == TYPE_UNION) | |
3275 | { | |
3276 | pair_p validf = NULL; | |
3277 | pair_p ufld; | |
3d7aafde | 3278 | |
e2500fed GK |
3279 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
3280 | { | |
3281 | const char *tag = NULL; | |
3282 | options_p oo; | |
3d7aafde | 3283 | |
e2500fed GK |
3284 | for (oo = ufld->opt; oo; oo = oo->next) |
3285 | if (strcmp (oo->name, "tag") == 0) | |
9e2878cf | 3286 | tag = oo->info; |
e2500fed GK |
3287 | if (tag == NULL || strcmp (tag, desc) != 0) |
3288 | continue; | |
3289 | if (validf != NULL) | |
3d7aafde | 3290 | error_at_line (line, |
e1b793e7 | 3291 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
e2500fed | 3292 | name, fld->name, validf->name, |
e1b793e7 | 3293 | name, fld->name, ufld->name, tag); |
e2500fed GK |
3294 | validf = ufld; |
3295 | } | |
3296 | if (validf != NULL) | |
647565f6 RS |
3297 | write_field_root (f, v, type, name, 0, line, if_marked, |
3298 | emit_pch, validf->type, | |
3299 | ACONCAT ((fld->name, ".", | |
3300 | validf->name, NULL))); | |
e2500fed GK |
3301 | } |
3302 | else if (desc) | |
3d7aafde | 3303 | error_at_line (line, |
e1b793e7 | 3304 | "global `%s.%s' has `desc' option but is not union", |
e2500fed GK |
3305 | name, fld->name); |
3306 | else | |
647565f6 RS |
3307 | write_field_root (f, v, type, name, 0, line, if_marked, |
3308 | emit_pch, fld->type, fld->name); | |
e2500fed GK |
3309 | } |
3310 | } | |
3311 | break; | |
3312 | ||
3313 | case TYPE_ARRAY: | |
3314 | { | |
3315 | char *newname; | |
e03856fe | 3316 | newname = xasprintf ("%s[0]", name); |
99be7084 BS |
3317 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked, |
3318 | emit_pch); | |
e2500fed GK |
3319 | free (newname); |
3320 | } | |
3321 | break; | |
3d7aafde | 3322 | |
e2500fed GK |
3323 | case TYPE_POINTER: |
3324 | { | |
b08e0339 RS |
3325 | type_p tp; |
3326 | ||
3327 | if (!start_root_entry (f, v, name, line)) | |
3328 | return; | |
3d7aafde | 3329 | |
e2500fed | 3330 | tp = type->u.p; |
3d7aafde | 3331 | |
e1b793e7 | 3332 | if (!has_length && UNION_OR_STRUCT_P (tp)) |
e2500fed | 3333 | { |
17211ab5 | 3334 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
99be7084 BS |
3335 | if (emit_pch) |
3336 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
3337 | else | |
3338 | oprintf (f, " NULL"); | |
e2500fed | 3339 | } |
e1b793e7 | 3340 | else if (!has_length && tp->kind == TYPE_PARAM_STRUCT) |
e2500fed | 3341 | { |
36a5eadd GK |
3342 | oprintf (f, " >_ggc_m_"); |
3343 | output_mangled_typename (f, tp); | |
99be7084 BS |
3344 | if (emit_pch) |
3345 | { | |
3346 | oprintf (f, ",\n >_pch_n_"); | |
3347 | output_mangled_typename (f, tp); | |
3348 | } | |
3349 | else | |
3350 | oprintf (f, ",\n NULL"); | |
e2500fed GK |
3351 | } |
3352 | else if (has_length | |
afb0f770 | 3353 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
e2500fed | 3354 | { |
17211ab5 | 3355 | oprintf (f, " >_ggc_ma_%s,\n", name); |
99be7084 BS |
3356 | if (emit_pch) |
3357 | oprintf (f, " >_pch_na_%s", name); | |
3358 | else | |
3359 | oprintf (f, " NULL"); | |
e2500fed GK |
3360 | } |
3361 | else | |
3362 | { | |
3d7aafde | 3363 | error_at_line (line, |
e2500fed GK |
3364 | "global `%s' is pointer to unimplemented type", |
3365 | name); | |
3366 | } | |
3367 | if (if_marked) | |
e03856fe GK |
3368 | oprintf (f, ",\n &%s", if_marked); |
3369 | oprintf (f, "\n },\n"); | |
e2500fed GK |
3370 | } |
3371 | break; | |
3372 | ||
e2500fed | 3373 | case TYPE_STRING: |
17211ab5 | 3374 | { |
b08e0339 RS |
3375 | if (!start_root_entry (f, v, name, line)) |
3376 | return; | |
3377 | ||
dae4174e | 3378 | oprintf (f, " (gt_pointer_walker) >_ggc_m_S,\n"); |
f099d360 | 3379 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
17211ab5 GK |
3380 | oprintf (f, " },\n"); |
3381 | } | |
3382 | break; | |
3d7aafde | 3383 | |
17211ab5 | 3384 | case TYPE_SCALAR: |
e2500fed | 3385 | break; |
3d7aafde | 3386 | |
e2500fed | 3387 | default: |
e1b793e7 | 3388 | error_at_line (line, "global `%s' is unimplemented type", name); |
e2500fed GK |
3389 | } |
3390 | } | |
3391 | ||
17211ab5 GK |
3392 | /* This generates a routine to walk an array. */ |
3393 | ||
3394 | static void | |
3d7aafde | 3395 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
17211ab5 GK |
3396 | { |
3397 | struct walk_type_data d; | |
3398 | char *prevval3; | |
3d7aafde | 3399 | |
17211ab5 GK |
3400 | memset (&d, 0, sizeof (d)); |
3401 | d.of = f; | |
3402 | d.cookie = wtd; | |
3403 | d.indent = 2; | |
3404 | d.line = &v->line; | |
3405 | d.opt = v->opt; | |
11a67599 | 3406 | d.bitmap = get_lang_bitmap (v->line.file); |
17211ab5 GK |
3407 | d.param = NULL; |
3408 | ||
3409 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
3410 | ||
3411 | if (wtd->param_prefix) | |
3412 | { | |
3413 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
e1b793e7 | 3414 | oprintf (f, " (void *, void *, gt_pointer_operator, void *);\n"); |
e18476eb | 3415 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
17211ab5 | 3416 | wtd->param_prefix, v->name); |
e18476eb BI |
3417 | oprintf (d.of, |
3418 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
3419 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3420 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
17211ab5 GK |
3421 | oprintf (d.of, "{\n"); |
3422 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3423 | d.process_field = write_types_local_process_field; | |
3424 | walk_type (v->type, &d); | |
3425 | oprintf (f, "}\n\n"); | |
3426 | } | |
3427 | ||
3428 | d.opt = v->opt; | |
e1b793e7 | 3429 | oprintf (f, "static void gt_%sa_%s (void *);\n", wtd->prefix, v->name); |
e18476eb | 3430 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
17211ab5 | 3431 | wtd->prefix, v->name); |
17211ab5 GK |
3432 | oprintf (f, "{\n"); |
3433 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3434 | d.process_field = write_types_process_field; | |
3435 | walk_type (v->type, &d); | |
3436 | free (prevval3); | |
3437 | oprintf (f, "}\n\n"); | |
3438 | } | |
3439 | ||
9f313342 GK |
3440 | /* Output a table describing the locations and types of VARIABLES. */ |
3441 | ||
e2500fed | 3442 | static void |
99be7084 | 3443 | write_roots (pair_p variables, bool emit_pch) |
e2500fed GK |
3444 | { |
3445 | pair_p v; | |
3446 | struct flist *flp = NULL; | |
3447 | ||
3448 | for (v = variables; v; v = v->next) | |
3449 | { | |
e03856fe | 3450 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3451 | struct flist *fli; |
3452 | const char *length = NULL; | |
3453 | int deletable_p = 0; | |
3454 | options_p o; | |
3455 | ||
3456 | for (o = v->opt; o; o = o->next) | |
3457 | if (strcmp (o->name, "length") == 0) | |
9e2878cf | 3458 | length = o->info; |
e2500fed GK |
3459 | else if (strcmp (o->name, "deletable") == 0) |
3460 | deletable_p = 1; | |
3461 | else if (strcmp (o->name, "param_is") == 0) | |
3462 | ; | |
3d7aafde | 3463 | else if (strncmp (o->name, "param", 5) == 0 |
e1b793e7 | 3464 | && ISDIGIT (o->name[5]) && strcmp (o->name + 6, "_is") == 0) |
36a5eadd | 3465 | ; |
e2500fed GK |
3466 | else if (strcmp (o->name, "if_marked") == 0) |
3467 | ; | |
3468 | else | |
3d7aafde | 3469 | error_at_line (&v->line, |
e2500fed GK |
3470 | "global `%s' has unknown option `%s'", |
3471 | v->name, o->name); | |
3472 | ||
3473 | for (fli = flp; fli; fli = fli->next) | |
bd117bb6 | 3474 | if (fli->f == f && f) |
e2500fed GK |
3475 | break; |
3476 | if (fli == NULL) | |
3477 | { | |
5d038c4c | 3478 | fli = XNEW (struct flist); |
e2500fed GK |
3479 | fli->f = f; |
3480 | fli->next = flp; | |
3481 | fli->started_p = 0; | |
3482 | fli->name = v->line.file; | |
e1b793e7 | 3483 | gcc_assert (fli->name); |
e2500fed GK |
3484 | flp = fli; |
3485 | ||
e03856fe | 3486 | oprintf (f, "\n/* GC roots. */\n\n"); |
e2500fed GK |
3487 | } |
3488 | ||
e1b793e7 | 3489 | if (!deletable_p |
e2500fed GK |
3490 | && length |
3491 | && v->type->kind == TYPE_POINTER | |
3492 | && (v->type->u.p->kind == TYPE_POINTER | |
3493 | || v->type->u.p->kind == TYPE_STRUCT)) | |
3494 | { | |
17211ab5 GK |
3495 | write_array (f, v, &ggc_wtd); |
3496 | write_array (f, v, &pch_wtd); | |
e2500fed GK |
3497 | } |
3498 | } | |
3499 | ||
3500 | for (v = variables; v; v = v->next) | |
3501 | { | |
e03856fe | 3502 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3503 | struct flist *fli; |
3504 | int skip_p = 0; | |
3505 | int length_p = 0; | |
3506 | options_p o; | |
3d7aafde | 3507 | |
e2500fed GK |
3508 | for (o = v->opt; o; o = o->next) |
3509 | if (strcmp (o->name, "length") == 0) | |
3510 | length_p = 1; | |
3511 | else if (strcmp (o->name, "deletable") == 0 | |
3512 | || strcmp (o->name, "if_marked") == 0) | |
3513 | skip_p = 1; | |
3514 | ||
3515 | if (skip_p) | |
3516 | continue; | |
3517 | ||
3518 | for (fli = flp; fli; fli = fli->next) | |
3519 | if (fli->f == f) | |
3520 | break; | |
e1b793e7 | 3521 | if (!fli->started_p) |
e2500fed GK |
3522 | { |
3523 | fli->started_p = 1; | |
3524 | ||
6bc7bc14 | 3525 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_r_"); |
e2500fed | 3526 | put_mangled_filename (f, v->line.file); |
e03856fe | 3527 | oprintf (f, "[] = {\n"); |
e2500fed GK |
3528 | } |
3529 | ||
99be7084 | 3530 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
e2500fed GK |
3531 | } |
3532 | ||
3d7aafde | 3533 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
3534 | "gt_ggc_rtab"); |
3535 | ||
3536 | for (v = variables; v; v = v->next) | |
3537 | { | |
e03856fe | 3538 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3539 | struct flist *fli; |
3540 | int skip_p = 1; | |
3541 | options_p o; | |
3542 | ||
3543 | for (o = v->opt; o; o = o->next) | |
3544 | if (strcmp (o->name, "deletable") == 0) | |
3545 | skip_p = 0; | |
3546 | else if (strcmp (o->name, "if_marked") == 0) | |
3547 | skip_p = 1; | |
3548 | ||
3549 | if (skip_p) | |
3550 | continue; | |
3551 | ||
3552 | for (fli = flp; fli; fli = fli->next) | |
3553 | if (fli->f == f) | |
3554 | break; | |
e1b793e7 | 3555 | if (!fli->started_p) |
e2500fed GK |
3556 | { |
3557 | fli->started_p = 1; | |
3558 | ||
6bc7bc14 | 3559 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_rd_"); |
e2500fed | 3560 | put_mangled_filename (f, v->line.file); |
e03856fe | 3561 | oprintf (f, "[] = {\n"); |
e2500fed | 3562 | } |
3d7aafde | 3563 | |
17211ab5 | 3564 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
e2500fed GK |
3565 | v->name, v->name); |
3566 | } | |
3d7aafde | 3567 | |
17211ab5 | 3568 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
3569 | "gt_ggc_deletable_rtab"); |
3570 | ||
3571 | for (v = variables; v; v = v->next) | |
3572 | { | |
e03856fe | 3573 | outf_p f = get_output_file_with_visibility (v->line.file); |
e2500fed GK |
3574 | struct flist *fli; |
3575 | const char *if_marked = NULL; | |
3576 | int length_p = 0; | |
3577 | options_p o; | |
3d7aafde | 3578 | |
e2500fed GK |
3579 | for (o = v->opt; o; o = o->next) |
3580 | if (strcmp (o->name, "length") == 0) | |
3581 | length_p = 1; | |
3582 | else if (strcmp (o->name, "if_marked") == 0) | |
9e2878cf | 3583 | if_marked = o->info; |
e2500fed GK |
3584 | |
3585 | if (if_marked == NULL) | |
3586 | continue; | |
3587 | ||
3588 | if (v->type->kind != TYPE_POINTER | |
3589 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
3590 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
3591 | { | |
e1b793e7 BS |
3592 | error_at_line (&v->line, |
3593 | "if_marked option used but not hash table"); | |
e2500fed GK |
3594 | continue; |
3595 | } | |
3596 | ||
3597 | for (fli = flp; fli; fli = fli->next) | |
3598 | if (fli->f == f) | |
3599 | break; | |
e1b793e7 | 3600 | if (!fli->started_p) |
e2500fed GK |
3601 | { |
3602 | fli->started_p = 1; | |
3603 | ||
6bc7bc14 | 3604 | oprintf (f, "EXPORTED_CONST struct ggc_cache_tab gt_ggc_rc_"); |
e2500fed | 3605 | put_mangled_filename (f, v->line.file); |
e03856fe | 3606 | oprintf (f, "[] = {\n"); |
e2500fed | 3607 | } |
3d7aafde | 3608 | |
17211ab5 | 3609 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
99be7084 | 3610 | v->name, length_p, &v->line, if_marked, emit_pch); |
e2500fed | 3611 | } |
3d7aafde | 3612 | |
17211ab5 | 3613 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
e2500fed | 3614 | "gt_ggc_cache_rtab"); |
17211ab5 | 3615 | |
99be7084 BS |
3616 | if (!emit_pch) |
3617 | return; | |
3618 | ||
17211ab5 GK |
3619 | for (v = variables; v; v = v->next) |
3620 | { | |
3621 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3622 | struct flist *fli; | |
3623 | int length_p = 0; | |
3624 | int if_marked_p = 0; | |
3625 | options_p o; | |
3d7aafde | 3626 | |
17211ab5 GK |
3627 | for (o = v->opt; o; o = o->next) |
3628 | if (strcmp (o->name, "length") == 0) | |
3629 | length_p = 1; | |
3630 | else if (strcmp (o->name, "if_marked") == 0) | |
3631 | if_marked_p = 1; | |
3632 | ||
e1b793e7 | 3633 | if (!if_marked_p) |
17211ab5 GK |
3634 | continue; |
3635 | ||
3636 | for (fli = flp; fli; fli = fli->next) | |
3637 | if (fli->f == f) | |
3638 | break; | |
e1b793e7 | 3639 | if (!fli->started_p) |
17211ab5 GK |
3640 | { |
3641 | fli->started_p = 1; | |
3642 | ||
6bc7bc14 | 3643 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rc_"); |
17211ab5 GK |
3644 | put_mangled_filename (f, v->line.file); |
3645 | oprintf (f, "[] = {\n"); | |
3646 | } | |
3647 | ||
99be7084 | 3648 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
17211ab5 | 3649 | } |
3d7aafde | 3650 | |
17211ab5 GK |
3651 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3652 | "gt_pch_cache_rtab"); | |
3653 | ||
3654 | for (v = variables; v; v = v->next) | |
3655 | { | |
3656 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3657 | struct flist *fli; | |
3658 | int skip_p = 0; | |
3659 | options_p o; | |
3660 | ||
3661 | for (o = v->opt; o; o = o->next) | |
3662 | if (strcmp (o->name, "deletable") == 0 | |
3663 | || strcmp (o->name, "if_marked") == 0) | |
3664 | skip_p = 1; | |
3665 | ||
3666 | if (skip_p) | |
3667 | continue; | |
3668 | ||
e1b793e7 | 3669 | if (!contains_scalar_p (v->type)) |
17211ab5 GK |
3670 | continue; |
3671 | ||
3672 | for (fli = flp; fli; fli = fli->next) | |
3673 | if (fli->f == f) | |
3674 | break; | |
e1b793e7 | 3675 | if (!fli->started_p) |
17211ab5 GK |
3676 | { |
3677 | fli->started_p = 1; | |
3678 | ||
6bc7bc14 | 3679 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rs_"); |
17211ab5 GK |
3680 | put_mangled_filename (f, v->line.file); |
3681 | oprintf (f, "[] = {\n"); | |
3682 | } | |
3d7aafde | 3683 | |
17211ab5 GK |
3684 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
3685 | v->name, v->name); | |
3686 | } | |
3d7aafde | 3687 | |
17211ab5 GK |
3688 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3689 | "gt_pch_scalar_rtab"); | |
e2500fed GK |
3690 | } |
3691 | ||
4a399aef ZW |
3692 | /* Record the definition of a generic VEC structure, as if we had expanded |
3693 | the macros in vec.h: | |
3694 | ||
3695 | typedef struct VEC_<type>_base GTY(()) { | |
3696 | unsigned num; | |
3697 | unsigned alloc; | |
3698 | <type> GTY((length ("%h.num"))) vec[1]; | |
3699 | } VEC_<type>_base | |
3700 | ||
3701 | where the GTY(()) tags are only present if is_scalar is _false_. */ | |
3702 | ||
3703 | void | |
8ad97cfc | 3704 | note_def_vec (const char *type_name, bool is_scalar, struct fileloc *pos) |
4a399aef | 3705 | { |
065ae611 | 3706 | pair_p fields; |
4a399aef ZW |
3707 | type_p t; |
3708 | options_p o; | |
065ae611 | 3709 | type_p len_ty = create_scalar_type ("unsigned"); |
e1b793e7 | 3710 | const char *name = concat ("VEC_", type_name, "_base", (char *) 0); |
4a399aef ZW |
3711 | |
3712 | if (is_scalar) | |
3713 | { | |
8ad97cfc | 3714 | t = create_scalar_type (type_name); |
4a399aef ZW |
3715 | o = 0; |
3716 | } | |
3717 | else | |
3718 | { | |
8ad97cfc | 3719 | t = resolve_typedef (type_name, pos); |
4a399aef ZW |
3720 | o = create_option (0, "length", "%h.num"); |
3721 | } | |
3722 | ||
3723 | /* We assemble the field list in reverse order. */ | |
065ae611 ZW |
3724 | fields = create_field_at (0, create_array (t, "1"), "vec", o, pos); |
3725 | fields = create_field_at (fields, len_ty, "alloc", 0, pos); | |
3726 | fields = create_field_at (fields, len_ty, "num", 0, pos); | |
4a399aef ZW |
3727 | |
3728 | do_typedef (name, new_structure (name, 0, pos, fields, 0), pos); | |
3729 | } | |
3730 | ||
3731 | /* Record the definition of an allocation-specific VEC structure, as if | |
3732 | we had expanded the macros in vec.h: | |
3733 | ||
3734 | typedef struct VEC_<type>_<astrat> { | |
e1b793e7 | 3735 | VEC_<type>_base base; |
4a399aef ZW |
3736 | } VEC_<type>_<astrat>; |
3737 | */ | |
3738 | void | |
3739 | note_def_vec_alloc (const char *type, const char *astrat, struct fileloc *pos) | |
3740 | { | |
e1b793e7 BS |
3741 | const char *astratname = concat ("VEC_", type, "_", astrat, (char *) 0); |
3742 | const char *basename = concat ("VEC_", type, "_base", (char *) 0); | |
4a399aef | 3743 | |
065ae611 ZW |
3744 | pair_p field = create_field_at (0, resolve_typedef (basename, pos), |
3745 | "base", 0, pos); | |
4a399aef ZW |
3746 | |
3747 | do_typedef (astratname, new_structure (astratname, 0, pos, field, 0), pos); | |
3748 | } | |
3749 | ||
a9429e29 LB |
3750 | /* Returns the specifier keyword for a string or union type S, empty string |
3751 | otherwise. */ | |
3752 | ||
3753 | static const char * | |
3754 | get_type_specifier (const type_p s) | |
3755 | { | |
3756 | if (s->kind == TYPE_STRUCT || s->kind == TYPE_LANG_STRUCT) | |
3757 | return "struct "; | |
3758 | if (s->kind == TYPE_UNION) | |
3759 | return "union "; | |
3760 | return ""; | |
3761 | } | |
3762 | ||
3763 | /* TRUE if type S has the GTY variable_size annotation. */ | |
3764 | ||
3765 | static bool | |
3766 | variable_size_p (const type_p s) | |
3767 | { | |
3768 | options_p o; | |
3769 | for (o = s->u.s.opt; o; o = o->next) | |
3770 | if (strcmp (o->name, "variable_size") == 0) | |
3771 | return true; | |
3772 | return false; | |
3773 | } | |
3774 | ||
e1b793e7 BS |
3775 | enum alloc_quantity |
3776 | { single, vector }; | |
3777 | enum alloc_zone | |
3778 | { any_zone, specific_zone }; | |
a9429e29 LB |
3779 | |
3780 | /* Writes one typed allocator definition for type identifier TYPE_NAME with | |
3781 | optional type specifier TYPE_SPECIFIER. The allocator name will contain | |
3782 | ALLOCATOR_TYPE. If VARIABLE_SIZE is true, the allocator will have an extra | |
3783 | parameter specifying number of bytes to allocate. If QUANTITY is set to | |
3784 | VECTOR, a vector allocator will be output, if ZONE is set to SPECIFIC_ZONE, | |
3785 | the allocator will be zone-specific. */ | |
3786 | ||
3787 | static void | |
e1b793e7 BS |
3788 | write_typed_alloc_def (bool variable_size, const char *type_specifier, |
3789 | const char *type_name, const char *allocator_type, | |
a9429e29 LB |
3790 | enum alloc_quantity quantity, enum alloc_zone zone) |
3791 | { | |
3792 | bool two_args = variable_size && (quantity == vector); | |
3793 | bool third_arg = ((zone == specific_zone) | |
3794 | && (variable_size || (quantity == vector))); | |
3795 | ||
e1b793e7 | 3796 | oprintf (header_file, "#define ggc_alloc_%s%s", allocator_type, type_name); |
a9429e29 LB |
3797 | oprintf (header_file, "(%s%s%s%s%s) ", |
3798 | (variable_size ? "SIZE" : ""), | |
3799 | (two_args ? ", " : ""), | |
3800 | (quantity == vector) ? "n" : "", | |
3801 | (third_arg ? ", " : ""), (zone == specific_zone) ? "z" : ""); | |
3802 | oprintf (header_file, "((%s%s *)", type_specifier, type_name); | |
3803 | oprintf (header_file, "(ggc_internal_%salloc_stat (", allocator_type); | |
3804 | if (zone == specific_zone) | |
3805 | oprintf (header_file, "z, "); | |
3806 | if (variable_size) | |
3807 | oprintf (header_file, "SIZE"); | |
3808 | else | |
3809 | oprintf (header_file, "sizeof (%s%s)", type_specifier, type_name); | |
3810 | if (quantity == vector) | |
3811 | oprintf (header_file, ", n"); | |
3812 | oprintf (header_file, " MEM_STAT_INFO)))\n"); | |
3813 | } | |
3814 | ||
3815 | /* Writes a typed allocator definition for a struct or union S. */ | |
3816 | ||
3817 | static void | |
e1b793e7 | 3818 | write_typed_struct_alloc_def (const type_p s, const char *allocator_type, |
a9429e29 LB |
3819 | enum alloc_quantity quantity, |
3820 | enum alloc_zone zone) | |
3821 | { | |
3822 | write_typed_alloc_def (variable_size_p (s), get_type_specifier (s), | |
3823 | s->u.s.tag, allocator_type, quantity, zone); | |
3824 | } | |
3825 | ||
3826 | /* Writes a typed allocator definition for a typedef P. */ | |
3827 | ||
3828 | static void | |
e1b793e7 | 3829 | write_typed_typedef_alloc_def (const pair_p p, const char *allocator_type, |
a9429e29 LB |
3830 | enum alloc_quantity quantity, |
3831 | enum alloc_zone zone) | |
3832 | { | |
3833 | write_typed_alloc_def (variable_size_p (p->type), "", p->name, | |
3834 | allocator_type, quantity, zone); | |
3835 | } | |
3836 | ||
3837 | /* Writes typed allocator definitions for the types in STRUCTURES and | |
3838 | TYPEDEFS that are used by GC. */ | |
3839 | ||
3840 | static void | |
3841 | write_typed_alloc_defns (const type_p structures, const pair_p typedefs) | |
3842 | { | |
3843 | type_p s; | |
3844 | pair_p p; | |
3845 | ||
3846 | oprintf (header_file, | |
3847 | "\n/* Allocators for known structs and unions. */\n\n"); | |
3848 | for (s = structures; s; s = s->next) | |
3849 | { | |
3850 | if (!USED_BY_TYPED_GC_P (s)) | |
3851 | continue; | |
3852 | write_typed_struct_alloc_def (s, "", single, any_zone); | |
3853 | write_typed_struct_alloc_def (s, "cleared_", single, any_zone); | |
3854 | write_typed_struct_alloc_def (s, "vec_", vector, any_zone); | |
3855 | write_typed_struct_alloc_def (s, "cleared_vec_", vector, any_zone); | |
3856 | write_typed_struct_alloc_def (s, "zone_", single, specific_zone); | |
3857 | write_typed_struct_alloc_def (s, "zone_cleared_", single, | |
3858 | specific_zone); | |
3859 | write_typed_struct_alloc_def (s, "zone_vec_", vector, specific_zone); | |
3860 | write_typed_struct_alloc_def (s, "zone_cleared_vec_", vector, | |
3861 | specific_zone); | |
3862 | } | |
3863 | ||
3864 | oprintf (header_file, "\n/* Allocators for known typedefs. */\n"); | |
3865 | for (p = typedefs; p; p = p->next) | |
3866 | { | |
3867 | s = p->type; | |
3868 | if (!USED_BY_TYPED_GC_P (s) || (strcmp (p->name, s->u.s.tag) == 0)) | |
3869 | continue; | |
3870 | write_typed_typedef_alloc_def (p, "", single, any_zone); | |
3871 | write_typed_typedef_alloc_def (p, "cleared_", single, any_zone); | |
3872 | write_typed_typedef_alloc_def (p, "vec_", vector, any_zone); | |
3873 | write_typed_typedef_alloc_def (p, "cleared_vec_", vector, any_zone); | |
3874 | write_typed_typedef_alloc_def (p, "zone_", single, specific_zone); | |
3875 | write_typed_typedef_alloc_def (p, "zone_cleared_", single, | |
3876 | specific_zone); | |
3877 | write_typed_typedef_alloc_def (p, "zone_cleared_vec_", vector, | |
3878 | specific_zone); | |
3879 | } | |
3880 | } | |
3881 | ||
3882 | /* Prints not-as-ugly version of a typename of T to OF. Trades the uniquness | |
3883 | guaranteee for somewhat increased readability. If name conflicts do happen, | |
3884 | this funcion will have to be adjusted to be more like | |
3885 | output_mangled_typename. */ | |
3886 | ||
3887 | static void | |
3888 | output_typename (outf_p of, const_type_p t) | |
3889 | { | |
3890 | switch (t->kind) | |
3891 | { | |
3892 | case TYPE_STRING: | |
3893 | oprintf (of, "str"); | |
3894 | break; | |
3895 | case TYPE_SCALAR: | |
3896 | oprintf (of, "scalar"); | |
3897 | break; | |
3898 | case TYPE_POINTER: | |
3899 | output_typename (of, t->u.p); | |
3900 | break; | |
3901 | case TYPE_STRUCT: | |
3902 | case TYPE_UNION: | |
3903 | case TYPE_LANG_STRUCT: | |
3904 | oprintf (of, "%s", t->u.s.tag); | |
3905 | break; | |
3906 | case TYPE_PARAM_STRUCT: | |
3907 | { | |
3908 | int i; | |
3909 | for (i = 0; i < NUM_PARAM; i++) | |
e1b793e7 BS |
3910 | if (t->u.param_struct.param[i] != NULL) |
3911 | { | |
3912 | output_typename (of, t->u.param_struct.param[i]); | |
3913 | oprintf (of, "_"); | |
3914 | } | |
a9429e29 LB |
3915 | output_typename (of, t->u.param_struct.stru); |
3916 | break; | |
3917 | } | |
3918 | default: | |
e1b793e7 | 3919 | gcc_unreachable (); |
a9429e29 LB |
3920 | } |
3921 | } | |
3922 | ||
3923 | /* Writes a typed GC allocator for type S that is suitable as a callback for | |
3924 | the splay tree implementation in libiberty. */ | |
3925 | ||
3926 | static void | |
3927 | write_splay_tree_allocator_def (const_type_p s) | |
3928 | { | |
e1b793e7 | 3929 | outf_p of = get_output_file_for_structure (s, NULL); |
a9429e29 LB |
3930 | oprintf (of, "void * ggc_alloc_splay_tree_"); |
3931 | output_typename (of, s); | |
3932 | oprintf (of, " (int sz, void * nl)\n"); | |
3933 | oprintf (of, "{\n"); | |
3934 | oprintf (of, " return ggc_splay_alloc ("); | |
3935 | oprintf (of, "gt_e_"); | |
3936 | output_mangled_typename (of, s); | |
3937 | oprintf (of, ", sz, nl);\n"); | |
3938 | oprintf (of, "}\n\n"); | |
3939 | } | |
3940 | ||
3941 | /* Writes typed GC allocators for PARAM_STRUCTS that are suitable as callbacks | |
3942 | for the splay tree implementation in libiberty. */ | |
3943 | ||
3944 | static void | |
3945 | write_splay_tree_allocators (const_type_p param_structs) | |
3946 | { | |
3947 | const_type_p s; | |
3948 | ||
3949 | oprintf (header_file, "\n/* Splay tree callback allocators. */\n"); | |
3950 | for (s = param_structs; s; s = s->next) | |
3951 | if (s->gc_used == GC_POINTED_TO) | |
3952 | { | |
3953 | oprintf (header_file, "extern void * ggc_alloc_splay_tree_"); | |
3954 | output_typename (header_file, s); | |
3955 | oprintf (header_file, " (int, void *);\n"); | |
3956 | write_splay_tree_allocator_def (s); | |
3957 | } | |
3958 | } | |
3959 | ||
0277fabf LB |
3960 | static void dump_pair (int indent, pair_p p); |
3961 | static void dump_type (int indent, type_p p); | |
3962 | static void dump_type_list (int indent, type_p p); | |
3963 | ||
3964 | #define INDENT 2 | |
3965 | ||
3966 | /* Dumps the value of typekind KIND. */ | |
3967 | ||
3968 | static void | |
3969 | dump_typekind (int indent, enum typekind kind) | |
3970 | { | |
3971 | printf ("%*ckind = ", indent, ' '); | |
3972 | switch (kind) | |
3973 | { | |
e1b793e7 BS |
3974 | case TYPE_SCALAR: |
3975 | printf ("TYPE_SCALAR"); | |
3976 | break; | |
3977 | case TYPE_STRING: | |
3978 | printf ("TYPE_STRING"); | |
3979 | break; | |
3980 | case TYPE_STRUCT: | |
3981 | printf ("TYPE_STRUCT"); | |
3982 | break; | |
3983 | case TYPE_UNION: | |
3984 | printf ("TYPE_UNION"); | |
3985 | break; | |
3986 | case TYPE_POINTER: | |
3987 | printf ("TYPE_POINTER"); | |
3988 | break; | |
3989 | case TYPE_ARRAY: | |
3990 | printf ("TYPE_ARRAY"); | |
3991 | break; | |
3992 | case TYPE_LANG_STRUCT: | |
3993 | printf ("TYPE_LANG_STRUCT"); | |
3994 | break; | |
3995 | case TYPE_PARAM_STRUCT: | |
3996 | printf ("TYPE_PARAM_STRUCT"); | |
3997 | break; | |
3998 | default: | |
3999 | gcc_unreachable (); | |
0277fabf LB |
4000 | } |
4001 | printf ("\n"); | |
4002 | } | |
4003 | ||
4004 | /* Dumps the value of GC_USED flag. */ | |
4005 | ||
4006 | static void | |
4007 | dump_gc_used (int indent, enum gc_used_enum gc_used) | |
4008 | { | |
4009 | printf ("%*cgc_used = ", indent, ' '); | |
4010 | switch (gc_used) | |
4011 | { | |
e1b793e7 BS |
4012 | case GC_UNUSED: |
4013 | printf ("GC_UNUSED"); | |
4014 | break; | |
4015 | case GC_USED: | |
4016 | printf ("GC_USED"); | |
4017 | break; | |
4018 | case GC_MAYBE_POINTED_TO: | |
4019 | printf ("GC_MAYBE_POINTED_TO"); | |
4020 | break; | |
4021 | case GC_POINTED_TO: | |
4022 | printf ("GC_POINTED_TO"); | |
4023 | break; | |
4024 | default: | |
4025 | gcc_unreachable (); | |
0277fabf LB |
4026 | } |
4027 | printf ("\n"); | |
4028 | } | |
4029 | ||
4030 | /* Dumps the type options OPT. */ | |
4031 | ||
4032 | static void | |
4033 | dump_options (int indent, options_p opt) | |
4034 | { | |
4035 | options_p o; | |
4036 | printf ("%*coptions = ", indent, ' '); | |
4037 | o = opt; | |
4038 | while (o) | |
4039 | { | |
e1b793e7 BS |
4040 | printf ("%s:%s ", o->name, o->info); |
4041 | o = o->next; | |
0277fabf LB |
4042 | } |
4043 | printf ("\n"); | |
4044 | } | |
4045 | ||
4046 | /* Dumps the source file location in LINE. */ | |
4047 | ||
4048 | static void | |
4049 | dump_fileloc (int indent, struct fileloc line) | |
4050 | { | |
4051 | printf ("%*cfileloc: file = %s, line = %d\n", indent, ' ', line.file, | |
4052 | line.line); | |
4053 | } | |
4054 | ||
4055 | /* Recursively dumps the struct, union, or a language-specific | |
4056 | struct T. */ | |
4057 | ||
4058 | static void | |
4059 | dump_type_u_s (int indent, type_p t) | |
4060 | { | |
4061 | pair_p fields; | |
4062 | ||
4063 | gcc_assert (t->kind == TYPE_STRUCT || t->kind == TYPE_UNION | |
4064 | || t->kind == TYPE_LANG_STRUCT); | |
4065 | printf ("%*cu.s.tag = %s\n", indent, ' ', t->u.s.tag); | |
4066 | dump_fileloc (indent, t->u.s.line); | |
4067 | printf ("%*cu.s.fields =\n", indent, ' '); | |
4068 | fields = t->u.s.fields; | |
4069 | while (fields) | |
4070 | { | |
e1b793e7 BS |
4071 | dump_pair (indent + INDENT, fields); |
4072 | fields = fields->next; | |
0277fabf LB |
4073 | } |
4074 | printf ("%*cend of fields of type %p\n", indent, ' ', (void *) t); | |
4075 | dump_options (indent, t->u.s.opt); | |
4076 | printf ("%*cu.s.bitmap = %X\n", indent, ' ', t->u.s.bitmap); | |
4077 | if (t->kind == TYPE_LANG_STRUCT) | |
4078 | { | |
4079 | printf ("%*cu.s.lang_struct:\n", indent, ' '); | |
4080 | dump_type_list (indent + INDENT, t->u.s.lang_struct); | |
4081 | } | |
4082 | } | |
4083 | ||
4084 | /* Recursively dumps the array T. */ | |
4085 | ||
4086 | static void | |
4087 | dump_type_u_a (int indent, type_p t) | |
4088 | { | |
4089 | gcc_assert (t->kind == TYPE_ARRAY); | |
4090 | printf ("%*clen = %s, u.a.p:\n", indent, ' ', t->u.a.len); | |
4091 | dump_type_list (indent + INDENT, t->u.a.p); | |
4092 | } | |
4093 | ||
4094 | /* Recursively dumps the parameterized struct T. */ | |
4095 | ||
4096 | static void | |
4097 | dump_type_u_param_struct (int indent, type_p t) | |
4098 | { | |
4099 | int i; | |
4100 | gcc_assert (t->kind == TYPE_PARAM_STRUCT); | |
4101 | printf ("%*cu.param_struct.stru:\n", indent, ' '); | |
4102 | dump_type_list (indent, t->u.param_struct.stru); | |
4103 | dump_fileloc (indent, t->u.param_struct.line); | |
4104 | for (i = 0; i < NUM_PARAM; i++) | |
4105 | { | |
4106 | if (t->u.param_struct.param[i] == NULL) | |
4107 | continue; | |
4108 | printf ("%*cu.param_struct.param[%d]:\n", indent, ' ', i); | |
4109 | dump_type (indent + INDENT, t->u.param_struct.param[i]); | |
4110 | } | |
4111 | } | |
4112 | ||
4113 | /* Recursively dumps the type list T. */ | |
4114 | ||
4115 | static void | |
4116 | dump_type_list (int indent, type_p t) | |
4117 | { | |
4118 | type_p p = t; | |
4119 | while (p) | |
4120 | { | |
4121 | dump_type (indent, p); | |
4122 | p = p->next; | |
4123 | } | |
4124 | } | |
4125 | ||
4126 | static htab_t seen_types; | |
4127 | ||
4128 | /* Recursively dumps the type T if it was not dumped previously. */ | |
4129 | ||
4130 | static void | |
4131 | dump_type (int indent, type_p t) | |
4132 | { | |
4133 | PTR *slot; | |
4134 | ||
e1b793e7 | 4135 | printf ("%*cType at %p: ", indent, ' ', (void *) t); |
0277fabf LB |
4136 | slot = htab_find_slot (seen_types, t, INSERT); |
4137 | if (*slot != NULL) | |
4138 | { | |
4139 | printf ("already seen.\n"); | |
4140 | return; | |
4141 | } | |
4142 | *slot = t; | |
4143 | printf ("\n"); | |
4144 | ||
4145 | dump_typekind (indent, t->kind); | |
4146 | printf ("%*cpointer_to = %p\n", indent + INDENT, ' ', | |
e1b793e7 | 4147 | (void *) t->pointer_to); |
0277fabf LB |
4148 | dump_gc_used (indent + INDENT, t->gc_used); |
4149 | switch (t->kind) | |
4150 | { | |
4151 | case TYPE_SCALAR: | |
4152 | printf ("%*cscalar_is_char = %s\n", indent + INDENT, ' ', | |
4153 | t->u.scalar_is_char ? "true" : "false"); | |
4154 | break; | |
4155 | case TYPE_STRING: | |
4156 | break; | |
4157 | case TYPE_STRUCT: | |
4158 | case TYPE_UNION: | |
4159 | case TYPE_LANG_STRUCT: | |
4160 | dump_type_u_s (indent + INDENT, t); | |
4161 | break; | |
4162 | case TYPE_POINTER: | |
4163 | printf ("%*cp:\n", indent + INDENT, ' '); | |
4164 | dump_type (indent + INDENT, t->u.p); | |
4165 | break; | |
4166 | case TYPE_ARRAY: | |
4167 | dump_type_u_a (indent + INDENT, t); | |
4168 | break; | |
4169 | case TYPE_PARAM_STRUCT: | |
4170 | dump_type_u_param_struct (indent + INDENT, t); | |
4171 | break; | |
4172 | default: | |
4173 | gcc_unreachable (); | |
4174 | } | |
e1b793e7 | 4175 | printf ("%*cEnd of type at %p\n", indent, ' ', (void *) t); |
0277fabf LB |
4176 | } |
4177 | ||
4178 | /* Dumps the pair P. */ | |
4179 | ||
4180 | static void | |
4181 | dump_pair (int indent, pair_p p) | |
4182 | { | |
4183 | printf ("%*cpair: name = %s\n", indent, ' ', p->name); | |
4184 | dump_type (indent, p->type); | |
4185 | dump_fileloc (indent, p->line); | |
4186 | dump_options (indent, p->opt); | |
4187 | printf ("%*cEnd of pair %s\n", indent, ' ', p->name); | |
4188 | } | |
4189 | ||
4190 | /* Dumps the list of pairs PP. */ | |
4191 | ||
4192 | static void | |
e1b793e7 | 4193 | dump_pair_list (const char *name, pair_p pp) |
0277fabf LB |
4194 | { |
4195 | pair_p p; | |
4196 | printf ("%s:\n", name); | |
4197 | for (p = pp; p != NULL; p = p->next) | |
4198 | dump_pair (0, p); | |
4199 | printf ("End of %s\n\n", name); | |
4200 | } | |
4201 | ||
4202 | /* Dumps the STRUCTURES. */ | |
4203 | ||
4204 | static void | |
e1b793e7 | 4205 | dump_structures (const char *name, type_p structures) |
0277fabf LB |
4206 | { |
4207 | printf ("%s:\n", name); | |
4208 | dump_type_list (0, structures); | |
4209 | printf ("End of %s\n\n", name); | |
4210 | } | |
4211 | ||
4212 | /* Dumps the internal structures of gengtype. */ | |
4213 | ||
4214 | static void | |
4215 | dump_everything (void) | |
4216 | { | |
4217 | seen_types = htab_create (100, htab_hash_pointer, htab_eq_pointer, NULL); | |
4218 | dump_pair_list ("typedefs", typedefs); | |
4219 | dump_structures ("structures", structures); | |
4220 | dump_structures ("param_structs", param_structs); | |
4221 | dump_pair_list ("variables", variables); | |
4222 | htab_delete (seen_types); | |
4223 | } | |
e2500fed | 4224 | \f |
e1b793e7 | 4225 | |
3d7aafde | 4226 | int |
11a67599 | 4227 | main (int argc, char **argv) |
e2500fed | 4228 | { |
11a67599 | 4229 | size_t i; |
01d419ae | 4230 | static struct fileloc pos = { this_file, 0 }; |
e1b793e7 | 4231 | char *inputlist = 0; |
0277fabf | 4232 | int do_dump = 0; |
9b39cba9 | 4233 | outf_p output_header; |
e1b793e7 | 4234 | char *plugin_output_filename = NULL; |
11a67599 ZW |
4235 | /* fatal uses this */ |
4236 | progname = "gengtype"; | |
4237 | ||
0277fabf LB |
4238 | if (argc >= 2 && !strcmp (argv[1], "-d")) |
4239 | { | |
4240 | do_dump = 1; | |
4241 | argv = &argv[1]; | |
4242 | argc--; | |
4243 | } | |
4244 | ||
9b39cba9 | 4245 | if (argc >= 6 && !strcmp (argv[1], "-P")) |
bd117bb6 | 4246 | { |
9b39cba9 BS |
4247 | plugin_output_filename = argv[2]; |
4248 | plugin_output = create_file ("GCC", plugin_output_filename); | |
4249 | srcdir = argv[3]; | |
4250 | inputlist = argv[4]; | |
4251 | nb_plugin_files = argc - 5; | |
9f78bf05 BS |
4252 | plugin_files = XCNEWVEC (char *, nb_plugin_files); |
4253 | for (i = 0; i < nb_plugin_files; i++) | |
e1b793e7 BS |
4254 | { |
4255 | /* Place an all zero lang_bitmap before the plugin file | |
4256 | name. */ | |
4257 | char *name = argv[i + 5]; | |
4258 | int len = strlen (name) + 1 + sizeof (lang_bitmap); | |
4259 | plugin_files[i] = XCNEWVEC (char, len) + sizeof (lang_bitmap); | |
4260 | strcpy (plugin_files[i], name); | |
4261 | } | |
bd117bb6 | 4262 | } |
b8698a0f | 4263 | else if (argc == 3) |
bd117bb6 BS |
4264 | { |
4265 | srcdir = argv[1]; | |
4266 | inputlist = argv[2]; | |
b8698a0f | 4267 | } |
bd117bb6 | 4268 | else |
0277fabf | 4269 | fatal ("usage: gengtype [-d] [-P pluginout.h] srcdir input-list " |
e1b793e7 | 4270 | "[file1 file2 ... fileN]"); |
11a67599 | 4271 | |
8ac9d31f | 4272 | srcdir_len = strlen (srcdir); |
e2500fed | 4273 | |
bd117bb6 | 4274 | read_input_list (inputlist); |
11a67599 ZW |
4275 | if (hit_error) |
4276 | return 1; | |
4277 | ||
95161faf ZW |
4278 | scalar_char.u.scalar_is_char = true; |
4279 | scalar_nonchar.u.scalar_is_char = false; | |
95161faf ZW |
4280 | gen_rtx_next (); |
4281 | ||
01d419ae ZW |
4282 | /* These types are set up with #define or else outside of where |
4283 | we can see them. */ | |
4284 | pos.line = __LINE__ + 1; | |
e1b793e7 BS |
4285 | do_scalar_typedef ("CUMULATIVE_ARGS", &pos); |
4286 | pos.line++; | |
4287 | do_scalar_typedef ("REAL_VALUE_TYPE", &pos); | |
4288 | pos.line++; | |
4289 | do_scalar_typedef ("FIXED_VALUE_TYPE", &pos); | |
4290 | pos.line++; | |
4291 | do_scalar_typedef ("double_int", &pos); | |
4292 | pos.line++; | |
4293 | do_scalar_typedef ("uint64_t", &pos); | |
4294 | pos.line++; | |
4295 | do_scalar_typedef ("uint8", &pos); | |
4296 | pos.line++; | |
4297 | do_scalar_typedef ("jword", &pos); | |
4298 | pos.line++; | |
4299 | do_scalar_typedef ("JCF_u2", &pos); | |
4300 | pos.line++; | |
4301 | do_scalar_typedef ("void", &pos); | |
4302 | pos.line++; | |
a813c111 | 4303 | do_typedef ("PTR", create_pointer (resolve_typedef ("void", &pos)), &pos); |
ed8d2920 | 4304 | |
11a67599 | 4305 | for (i = 0; i < num_gt_files; i++) |
01d419ae | 4306 | parse_file (gt_files[i]); |
e2500fed | 4307 | |
01d419ae | 4308 | if (hit_error) |
065ae611 | 4309 | return 1; |
e2500fed GK |
4310 | |
4311 | set_gc_used (variables); | |
4312 | ||
4313 | open_base_files (); | |
36a5eadd | 4314 | write_enum_defn (structures, param_structs); |
a9429e29 | 4315 | write_typed_alloc_defns (structures, typedefs); |
9b39cba9 BS |
4316 | output_header = plugin_output ? plugin_output : header_file; |
4317 | write_types (output_header, structures, param_structs, &ggc_wtd); | |
ea2ca633 | 4318 | if (plugin_files == NULL) |
99be7084 BS |
4319 | { |
4320 | write_types (header_file, structures, param_structs, &pch_wtd); | |
4321 | write_local (header_file, structures, param_structs); | |
4322 | } | |
a9429e29 | 4323 | write_splay_tree_allocators (param_structs); |
ea2ca633 | 4324 | write_roots (variables, plugin_files == NULL); |
36a5eadd | 4325 | write_rtx_next (); |
e2500fed GK |
4326 | close_output_files (); |
4327 | ||
0277fabf LB |
4328 | if (do_dump) |
4329 | dump_everything (); | |
4330 | ||
9f78bf05 | 4331 | if (plugin_files) |
e1b793e7 BS |
4332 | { |
4333 | for (i = 0; i < nb_plugin_files; i++) | |
4334 | free (plugin_files[i] - sizeof (lang_bitmap)); | |
4335 | free (plugin_files); | |
4336 | } | |
9f78bf05 | 4337 | |
01d419ae ZW |
4338 | if (hit_error) |
4339 | return 1; | |
4340 | return 0; | |
e2500fed | 4341 | } |