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1f3233d1 | 1 | /* Process source files and output type information. |
8fb69344 | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 |
d4473c84 | 3 | Free Software Foundation, Inc. |
1f3233d1 | 4 | |
8c4c00c1 | 5 | This file is part of GCC. |
1f3233d1 | 6 | |
8c4c00c1 | 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. | |
1f3233d1 | 11 | |
8c4c00c1 | 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. | |
1f3233d1 | 16 | |
8c4c00c1 | 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/>. */ | |
1f3233d1 | 20 | |
805e22b2 | 21 | #include "bconfig.h" |
1f3233d1 | 22 | #include "system.h" |
01c8b828 | 23 | #include "errors.h" /* for fatal */ |
1fdf44f0 | 24 | #include "getopt.h" |
ad3827a6 | 25 | #include "double-int.h" |
1fdf44f0 | 26 | #include "version.h" /* for version_string & pkgversion_string. */ |
e3b362c8 | 27 | #include "hashtab.h" |
1fdf44f0 | 28 | #include "gengtype.h" |
acfcaf8d | 29 | |
4097676c | 30 | /* Data types, macros, etc. used only in this file. */ |
31 | ||
32 | /* Kinds of types we can understand. */ | |
01c8b828 | 33 | enum typekind |
34 | { | |
4097676c | 35 | TYPE_SCALAR, |
36 | TYPE_STRING, | |
37 | TYPE_STRUCT, | |
38 | TYPE_UNION, | |
39 | TYPE_POINTER, | |
40 | TYPE_ARRAY, | |
41 | TYPE_LANG_STRUCT, | |
42 | TYPE_PARAM_STRUCT | |
43 | }; | |
44 | ||
4097676c | 45 | |
46 | /* A way to pass data through to the output end. */ | |
47 | struct options | |
48 | { | |
49 | struct options *next; | |
50 | const char *name; | |
51 | const char *info; | |
52 | }; | |
53 | ||
54 | /* Option data for the 'nested_ptr' option. */ | |
55 | struct nested_ptr_data | |
56 | { | |
57 | type_p type; | |
58 | const char *convert_to; | |
59 | const char *convert_from; | |
60 | }; | |
61 | ||
62 | /* A name and a type. */ | |
63 | struct pair | |
64 | { | |
65 | pair_p next; | |
66 | const char *name; | |
67 | type_p type; | |
68 | struct fileloc line; | |
69 | options_p opt; | |
70 | }; | |
71 | ||
72 | #define NUM_PARAM 10 | |
73 | ||
74 | /* A description of a type. */ | |
75 | enum gc_used_enum | |
01c8b828 | 76 | { |
77 | GC_UNUSED = 0, | |
78 | GC_USED, | |
79 | /* Used for structures whose definitions we haven't seen so far when | |
80 | we encounter a pointer to it that is annotated with ``maybe_undef''. | |
81 | If after reading in everything we don't have source file | |
82 | information for it, we assume that it never has been defined. */ | |
83 | GC_MAYBE_POINTED_TO, | |
84 | GC_POINTED_TO | |
85 | }; | |
4097676c | 86 | |
87 | struct type | |
88 | { | |
89 | enum typekind kind; | |
90 | type_p next; | |
91 | type_p pointer_to; | |
92 | enum gc_used_enum gc_used; | |
01c8b828 | 93 | union |
94 | { | |
4097676c | 95 | type_p p; |
01c8b828 | 96 | struct |
97 | { | |
4097676c | 98 | const char *tag; |
99 | struct fileloc line; | |
100 | pair_p fields; | |
101 | options_p opt; | |
102 | lang_bitmap bitmap; | |
103 | type_p lang_struct; | |
104 | } s; | |
105 | bool scalar_is_char; | |
01c8b828 | 106 | struct |
107 | { | |
4097676c | 108 | type_p p; |
109 | const char *len; | |
110 | } a; | |
01c8b828 | 111 | struct |
112 | { | |
4097676c | 113 | type_p stru; |
114 | type_p param[NUM_PARAM]; | |
115 | struct fileloc line; | |
116 | } param_struct; | |
117 | } u; | |
118 | }; | |
119 | ||
120 | #define UNION_P(x) \ | |
1fdf44f0 | 121 | ((x)->kind == TYPE_UNION || \ |
122 | ((x)->kind == TYPE_LANG_STRUCT \ | |
123 | && (x)->u.s.lang_struct->kind == TYPE_UNION)) | |
4097676c | 124 | #define UNION_OR_STRUCT_P(x) \ |
1fdf44f0 | 125 | ((x)->kind == TYPE_UNION \ |
126 | || (x)->kind == TYPE_STRUCT \ | |
127 | || (x)->kind == TYPE_LANG_STRUCT) | |
128 | ||
4097676c | 129 | |
4097676c | 130 | |
4097676c | 131 | const char *get_output_file_name (const char *); |
132 | ||
4097676c | 133 | |
134 | /* The list of output files. */ | |
1fdf44f0 | 135 | outf_p output_files; |
136 | ||
137 | /* The output header file that is included into pretty much every | |
138 | source file. */ | |
139 | outf_p header_file; | |
140 | ||
141 | ||
142 | /* The name of the file containing the list of input files. */ | |
143 | static char *inputlist; | |
4097676c | 144 | |
9dc75945 | 145 | /* The plugin input files and their number; in that case only |
242994e0 | 146 | a single file is produced. */ |
01c8b828 | 147 | static char **plugin_files; |
c5b683ff | 148 | static size_t nb_plugin_files; |
1fdf44f0 | 149 | |
150 | /* The generated plugin output file and name. */ | |
ae8a3b92 | 151 | static outf_p plugin_output; |
1fdf44f0 | 152 | static char *plugin_output_filename; |
9dc75945 | 153 | |
1fdf44f0 | 154 | /* Our source directory and its length. */ |
155 | const char *srcdir; | |
156 | size_t srcdir_len; | |
4097676c | 157 | |
1fdf44f0 | 158 | /* Variables used for reading and writing the state. */ |
159 | const char *read_state_filename; | |
160 | const char *write_state_filename; | |
4097676c | 161 | |
1fdf44f0 | 162 | /* Variables to help debugging. */ |
163 | int do_dump; | |
164 | int do_debug; | |
4097676c | 165 | |
e62e715c | 166 | /* Level for verbose messages. */ |
167 | int verbosity_level; | |
168 | ||
169 | /* The backup directory should be in the same file system as the | |
170 | generated files, otherwise the rename(2) system call would fail. | |
171 | If NULL, no backup is made when overwriting a generated file. */ | |
172 | static const char* backup_dir; /* (-B) program option. */ | |
173 | ||
174 | ||
4097676c | 175 | static outf_p create_file (const char *, const char *); |
2ac441f7 | 176 | |
01c8b828 | 177 | static const char *get_file_basename (const char *); |
178 | static const char *get_file_realbasename (const char *); | |
179 | static const char *get_file_srcdir_relative_path (const char *); | |
2ac441f7 | 180 | |
181 | static int get_prefix_langdir_index (const char *); | |
01c8b828 | 182 | static const char *get_file_langdir (const char *); |
4097676c | 183 | \f |
01c8b828 | 184 | |
155e048d | 185 | /* Nonzero iff an error has occurred. */ |
1e837561 | 186 | bool hit_error = false; |
155e048d | 187 | |
1a97be37 | 188 | static void gen_rtx_next (void); |
189 | static void write_rtx_next (void); | |
190 | static void open_base_files (void); | |
191 | static void close_output_files (void); | |
4b6ffd1b | 192 | |
155e048d | 193 | /* Report an error at POS, printing MSG. */ |
194 | ||
1f3233d1 | 195 | void |
e3b362c8 | 196 | error_at_line (const struct fileloc *pos, const char *msg, ...) |
1f3233d1 | 197 | { |
ee582a61 | 198 | va_list ap; |
1a97be37 | 199 | |
ee582a61 | 200 | va_start (ap, msg); |
1f3233d1 | 201 | |
202 | fprintf (stderr, "%s:%d: ", pos->file, pos->line); | |
203 | vfprintf (stderr, msg, ap); | |
204 | fputc ('\n', stderr); | |
1e837561 | 205 | hit_error = true; |
1f3233d1 | 206 | |
ee582a61 | 207 | va_end (ap); |
1f3233d1 | 208 | } |
209 | ||
4097676c | 210 | /* asprintf, but produces fatal message on out-of-memory. */ |
1e837561 | 211 | char * |
ee582a61 | 212 | xasprintf (const char *format, ...) |
92570e7a | 213 | { |
4097676c | 214 | int n; |
92570e7a | 215 | char *result; |
ee582a61 | 216 | va_list ap; |
1a97be37 | 217 | |
ee582a61 | 218 | va_start (ap, format); |
4097676c | 219 | n = vasprintf (&result, format, ap); |
220 | if (result == NULL || n < 0) | |
221 | fatal ("out of memory"); | |
ee582a61 | 222 | va_end (ap); |
4097676c | 223 | |
92570e7a | 224 | return result; |
225 | } | |
570af75a | 226 | \f |
227 | /* Input file handling. */ | |
228 | ||
229 | /* Table of all input files. */ | |
230 | static const char **gt_files; | |
231 | static size_t num_gt_files; | |
232 | ||
1fdf44f0 | 233 | /* A number of places use the name of this "gengtype.h" file for a |
234 | location for things that we can't rely on the source to define. | |
235 | Make sure we can still use pointer comparison on filenames. */ | |
236 | const char this_file[] = __FILE__; | |
237 | /* The "system.h" file is likewise specially useful. */ | |
238 | const char system_h_file[] = "system.h"; | |
1e837561 | 239 | |
570af75a | 240 | /* Vector of per-language directories. */ |
241 | static const char **lang_dir_names; | |
242 | static size_t num_lang_dirs; | |
243 | ||
244 | /* An array of output files suitable for definitions. There is one | |
245 | BASE_FILES entry for each language. */ | |
246 | static outf_p *base_files; | |
247 | ||
248 | /* Return a bitmap which has bit `1 << BASE_FILE_<lang>' set iff | |
249 | INPUT_FILE is used by <lang>. | |
250 | ||
251 | This function should be written to assume that a file _is_ used | |
252 | if the situation is unclear. If it wrongly assumes a file _is_ used, | |
253 | a linker error will result. If it wrongly assumes a file _is not_ used, | |
254 | some GC roots may be missed, which is a much harder-to-debug problem. | |
255 | ||
256 | The relevant bitmap is stored immediately before the file's name in the | |
257 | buffer set up by read_input_list. It may be unaligned, so we have to | |
258 | read it byte-by-byte. */ | |
92570e7a | 259 | |
570af75a | 260 | static lang_bitmap |
261 | get_lang_bitmap (const char *gtfile) | |
262 | { | |
1e837561 | 263 | |
1fdf44f0 | 264 | if (gtfile == this_file || gtfile == system_h_file) |
265 | { | |
266 | /* Things defined in this "gengtype.c" file or in "system.h" are | |
267 | universal (and there is no space for their lang_bitmap before | |
268 | their file names). */ | |
269 | return (((lang_bitmap) 1) << num_lang_dirs) - 1; | |
270 | } | |
1e837561 | 271 | else |
272 | { | |
273 | lang_bitmap n = 0; | |
274 | int i; | |
275 | for (i = -(int) sizeof (lang_bitmap); i < 0; i++) | |
01c8b828 | 276 | n = (n << CHAR_BIT) + (unsigned char) gtfile[i]; |
1e837561 | 277 | return n; |
278 | } | |
570af75a | 279 | } |
280 | ||
281 | /* Set the bitmap returned by get_lang_bitmap. The only legitimate | |
282 | caller of this function is read_input_list. */ | |
283 | static void | |
284 | set_lang_bitmap (char *gtfile, lang_bitmap n) | |
285 | { | |
286 | int i; | |
287 | for (i = -1; i >= -(int) sizeof (lang_bitmap); i--) | |
288 | { | |
01c8b828 | 289 | gtfile[i] = n & ((1U << CHAR_BIT) - 1); |
570af75a | 290 | n >>= CHAR_BIT; |
291 | } | |
292 | } | |
293 | ||
1fdf44f0 | 294 | |
295 | #if ENABLE_CHECKING | |
296 | /* Utility debugging function, printing the various type counts within | |
297 | a list of types. Called thru the DBGPRINT_COUNT_TYPE macro. */ | |
298 | void | |
299 | dbgprint_count_type_at (const char *fil, int lin, const char *msg, type_p t) | |
300 | { | |
301 | int nb_types = 0, nb_scalar = 0, nb_string = 0; | |
302 | int nb_struct = 0, nb_union = 0, nb_array = 0, nb_pointer = 0; | |
303 | int nb_lang_struct = 0, nb_param_struct = 0; | |
304 | type_p p = NULL; | |
305 | for (p = t; p; p = p->next) | |
306 | { | |
307 | nb_types++; | |
308 | switch (p->kind) | |
309 | { | |
310 | case TYPE_SCALAR: | |
311 | nb_scalar++; | |
312 | break; | |
313 | case TYPE_STRING: | |
314 | nb_string++; | |
315 | break; | |
316 | case TYPE_STRUCT: | |
317 | nb_struct++; | |
318 | break; | |
319 | case TYPE_UNION: | |
320 | nb_union++; | |
321 | break; | |
322 | case TYPE_POINTER: | |
323 | nb_pointer++; | |
324 | break; | |
325 | case TYPE_ARRAY: | |
326 | nb_array++; | |
327 | break; | |
328 | case TYPE_LANG_STRUCT: | |
329 | nb_lang_struct++; | |
330 | break; | |
331 | case TYPE_PARAM_STRUCT: | |
332 | nb_param_struct++; | |
333 | break; | |
334 | default: | |
335 | gcc_unreachable (); | |
336 | } | |
337 | } | |
338 | fprintf (stderr, "\n" "%s:%d: %s: @@%%@@ %d types ::\n", | |
339 | lbasename (fil), lin, msg, nb_types); | |
340 | if (nb_scalar > 0 || nb_string > 0) | |
341 | fprintf (stderr, "@@%%@@ %d scalars, %d strings\n", nb_scalar, nb_string); | |
342 | if (nb_struct > 0 || nb_union > 0) | |
343 | fprintf (stderr, "@@%%@@ %d structs, %d unions\n", nb_struct, nb_union); | |
344 | if (nb_pointer > 0 || nb_array > 0) | |
345 | fprintf (stderr, "@@%%@@ %d pointers, %d arrays\n", nb_pointer, nb_array); | |
346 | if (nb_lang_struct > 0 || nb_param_struct > 0) | |
347 | fprintf (stderr, "@@%%@@ %d lang_structs, %d param_structs\n", | |
348 | nb_lang_struct, nb_param_struct); | |
349 | fprintf (stderr, "\n"); | |
350 | } | |
351 | #endif /* ENABLE_CHECKING */ | |
352 | ||
570af75a | 353 | /* Scan the input file, LIST, and determine how much space we need to |
354 | store strings in. Also, count the number of language directories | |
355 | and files. The numbers returned are overestimates as they does not | |
356 | consider repeated files. */ | |
357 | static size_t | |
358 | measure_input_list (FILE *list) | |
359 | { | |
360 | size_t n = 0; | |
361 | int c; | |
362 | bool atbol = true; | |
363 | num_lang_dirs = 0; | |
9dc75945 | 364 | num_gt_files = plugin_files ? nb_plugin_files : 0; |
570af75a | 365 | while ((c = getc (list)) != EOF) |
366 | { | |
367 | n++; | |
368 | if (atbol) | |
369 | { | |
370 | if (c == '[') | |
371 | num_lang_dirs++; | |
372 | else | |
373 | { | |
374 | /* Add space for a lang_bitmap before the input file name. */ | |
375 | n += sizeof (lang_bitmap); | |
376 | num_gt_files++; | |
377 | } | |
378 | atbol = false; | |
379 | } | |
380 | ||
381 | if (c == '\n') | |
382 | atbol = true; | |
383 | } | |
384 | ||
385 | rewind (list); | |
386 | return n; | |
387 | } | |
388 | ||
389 | /* Read one input line from LIST to HEREP (which is updated). A | |
390 | pointer to the string is returned via LINEP. If it was a language | |
391 | subdirectory in square brackets, strip off the square brackets and | |
392 | return true. Otherwise, leave space before the string for a | |
393 | lang_bitmap, and return false. At EOF, returns false, does not | |
394 | touch *HEREP, and sets *LINEP to NULL. POS is used for | |
395 | diagnostics. */ | |
396 | static bool | |
01c8b828 | 397 | read_input_line (FILE *list, char **herep, char **linep, struct fileloc *pos) |
570af75a | 398 | { |
399 | char *here = *herep; | |
400 | char *line; | |
401 | int c = getc (list); | |
402 | ||
fd4a16cd | 403 | /* Read over whitespace. */ |
404 | while (c == '\n' || c == ' ') | |
405 | c = getc (list); | |
406 | ||
570af75a | 407 | if (c == EOF) |
408 | { | |
409 | *linep = 0; | |
410 | return false; | |
411 | } | |
412 | else if (c == '[') | |
413 | { | |
414 | /* No space for a lang_bitmap is necessary. Discard the '['. */ | |
415 | c = getc (list); | |
416 | line = here; | |
417 | while (c != ']' && c != '\n' && c != EOF) | |
418 | { | |
419 | *here++ = c; | |
420 | c = getc (list); | |
421 | } | |
422 | *here++ = '\0'; | |
423 | ||
424 | if (c == ']') | |
425 | { | |
01c8b828 | 426 | c = getc (list); /* eat what should be a newline */ |
570af75a | 427 | if (c != '\n' && c != EOF) |
428 | error_at_line (pos, "junk on line after language tag [%s]", line); | |
429 | } | |
430 | else | |
01c8b828 | 431 | error_at_line (pos, "missing close bracket for language tag [%s", |
432 | line); | |
570af75a | 433 | |
434 | *herep = here; | |
435 | *linep = line; | |
436 | return true; | |
437 | } | |
438 | else | |
439 | { | |
440 | /* Leave space for a lang_bitmap. */ | |
441 | memset (here, 0, sizeof (lang_bitmap)); | |
442 | here += sizeof (lang_bitmap); | |
443 | line = here; | |
444 | do | |
445 | { | |
446 | *here++ = c; | |
447 | c = getc (list); | |
448 | } | |
449 | while (c != EOF && c != '\n'); | |
450 | *here++ = '\0'; | |
451 | *herep = here; | |
452 | *linep = line; | |
453 | return false; | |
454 | } | |
455 | } | |
456 | ||
457 | /* Read the list of input files from LIST and compute all of the | |
458 | relevant tables. There is one file per line of the list. At | |
459 | first, all the files on the list are language-generic, but | |
460 | eventually a line will appear which is the name of a language | |
461 | subdirectory in square brackets, like this: [cp]. All subsequent | |
462 | files are specific to that language, until another language | |
463 | subdirectory tag appears. Files can appear more than once, if | |
464 | they apply to more than one language. */ | |
465 | static void | |
466 | read_input_list (const char *listname) | |
467 | { | |
468 | FILE *list = fopen (listname, "r"); | |
469 | if (!list) | |
8fb69344 | 470 | fatal ("cannot open %s: %s", listname, xstrerror (errno)); |
570af75a | 471 | else |
472 | { | |
473 | struct fileloc epos; | |
474 | size_t bufsz = measure_input_list (list); | |
475 | char *buf = XNEWVEC (char, bufsz); | |
476 | char *here = buf; | |
477 | char *committed = buf; | |
478 | char *limit = buf + bufsz; | |
479 | char *line; | |
480 | bool is_language; | |
481 | size_t langno = 0; | |
482 | size_t nfiles = 0; | |
483 | lang_bitmap curlangs = (1 << num_lang_dirs) - 1; | |
484 | ||
485 | epos.file = listname; | |
486 | epos.line = 0; | |
487 | ||
488 | lang_dir_names = XNEWVEC (const char *, num_lang_dirs); | |
489 | gt_files = XNEWVEC (const char *, num_gt_files); | |
490 | ||
491 | for (;;) | |
492 | { | |
493 | next_line: | |
494 | epos.line++; | |
495 | committed = here; | |
496 | is_language = read_input_line (list, &here, &line, &epos); | |
497 | gcc_assert (here <= limit); | |
498 | if (line == 0) | |
499 | break; | |
500 | else if (is_language) | |
501 | { | |
502 | size_t i; | |
503 | gcc_assert (langno <= num_lang_dirs); | |
504 | for (i = 0; i < langno; i++) | |
505 | if (strcmp (lang_dir_names[i], line) == 0) | |
506 | { | |
01c8b828 | 507 | error_at_line (&epos, "duplicate language tag [%s]", |
508 | line); | |
570af75a | 509 | curlangs = 1 << i; |
510 | here = committed; | |
511 | goto next_line; | |
512 | } | |
513 | ||
514 | curlangs = 1 << langno; | |
515 | lang_dir_names[langno++] = line; | |
516 | } | |
517 | else | |
518 | { | |
519 | size_t i; | |
520 | gcc_assert (nfiles <= num_gt_files); | |
521 | for (i = 0; i < nfiles; i++) | |
522 | if (strcmp (gt_files[i], line) == 0) | |
523 | { | |
524 | /* Throw away the string we just read, and add the | |
525 | current language to the existing string's bitmap. */ | |
526 | lang_bitmap bmap = get_lang_bitmap (gt_files[i]); | |
527 | if (bmap & curlangs) | |
01c8b828 | 528 | error_at_line (&epos, |
529 | "file %s specified more than once " | |
530 | "for language %s", line, | |
531 | langno == | |
532 | 0 ? "(all)" : lang_dir_names[langno - | |
533 | 1]); | |
570af75a | 534 | |
535 | bmap |= curlangs; | |
01c8b828 | 536 | set_lang_bitmap (CONST_CAST (char *, gt_files[i]), bmap); |
570af75a | 537 | here = committed; |
538 | goto next_line; | |
539 | } | |
540 | ||
541 | set_lang_bitmap (line, curlangs); | |
542 | gt_files[nfiles++] = line; | |
543 | } | |
544 | } | |
545 | /* Update the global counts now that we know accurately how many | |
01c8b828 | 546 | things there are. (We do not bother resizing the arrays down.) */ |
570af75a | 547 | num_lang_dirs = langno; |
9dc75945 | 548 | /* Add the plugin files if provided. */ |
48e1416a | 549 | if (plugin_files) |
9dc75945 | 550 | { |
c5b683ff | 551 | size_t i; |
9dc75945 | 552 | for (i = 0; i < nb_plugin_files; i++) |
553 | gt_files[nfiles++] = plugin_files[i]; | |
554 | } | |
570af75a | 555 | num_gt_files = nfiles; |
556 | } | |
557 | ||
558 | /* Sanity check: any file that resides in a language subdirectory | |
559 | (e.g. 'cp') ought to belong to the corresponding language. | |
560 | ??? Still true if for instance ObjC++ is enabled and C++ isn't? | |
561 | (Can you even do that? Should you be allowed to?) */ | |
562 | { | |
563 | size_t f; | |
564 | for (f = 0; f < num_gt_files; f++) | |
565 | { | |
566 | lang_bitmap bitmap = get_lang_bitmap (gt_files[f]); | |
567 | const char *basename = get_file_basename (gt_files[f]); | |
568 | const char *slashpos = strchr (basename, '/'); | |
569 | ||
570 | if (slashpos) | |
571 | { | |
572 | size_t l; | |
573 | for (l = 0; l < num_lang_dirs; l++) | |
01c8b828 | 574 | if ((size_t) (slashpos - basename) == strlen (lang_dir_names[l]) |
570af75a | 575 | && memcmp (basename, lang_dir_names[l], |
576 | strlen (lang_dir_names[l])) == 0) | |
577 | { | |
578 | if (!(bitmap & (1 << l))) | |
579 | error ("%s is in language directory '%s' but is not " | |
580 | "tagged for that language", | |
581 | basename, lang_dir_names[l]); | |
582 | break; | |
583 | } | |
01c8b828 | 584 | } |
570af75a | 585 | } |
586 | } | |
587 | ||
588 | if (ferror (list)) | |
8fb69344 | 589 | fatal ("error reading %s: %s", listname, xstrerror (errno)); |
570af75a | 590 | |
591 | fclose (list); | |
592 | } | |
01c8b828 | 593 | \f |
570af75a | 594 | |
595 | ||
155e048d | 596 | /* The one and only TYPE_STRING. */ |
597 | ||
80da8e25 | 598 | static struct type string_type = { |
599 | TYPE_STRING, 0, 0, GC_USED, {0} | |
600 | }; | |
601 | ||
602 | /* The two and only TYPE_SCALARs. Their u.scalar_is_char flags are | |
603 | set to appropriate values at the beginning of main. */ | |
604 | ||
605 | static struct type scalar_nonchar = { | |
606 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
607 | }; | |
01c8b828 | 608 | |
80da8e25 | 609 | static struct type scalar_char = { |
610 | TYPE_SCALAR, 0, 0, GC_USED, {0} | |
1a97be37 | 611 | }; |
1f3233d1 | 612 | |
155e048d | 613 | /* Lists of various things. */ |
614 | ||
1f3233d1 | 615 | static pair_p typedefs; |
616 | static type_p structures; | |
617 | static type_p param_structs; | |
618 | static pair_p variables; | |
619 | ||
01c8b828 | 620 | static type_p find_param_structure (type_p t, type_p param[NUM_PARAM]); |
1a97be37 | 621 | static type_p adjust_field_tree_exp (type_p t, options_p opt); |
622 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
c849df63 | 623 | |
155e048d | 624 | /* Define S as a typedef to T at POS. */ |
625 | ||
1f3233d1 | 626 | void |
1a97be37 | 627 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
1f3233d1 | 628 | { |
629 | pair_p p; | |
630 | ||
9c85a98a | 631 | /* temporary kludge - gengtype doesn't handle conditionals or |
632 | macros. Ignore any attempt to typedef CUMULATIVE_ARGS, unless it | |
633 | is coming from this file (main() sets them up with safe dummy | |
634 | definitions). */ | |
635 | if (!strcmp (s, "CUMULATIVE_ARGS") && pos->file != this_file) | |
1e837561 | 636 | return; |
637 | ||
1f3233d1 | 638 | for (p = typedefs; p != NULL; p = p->next) |
639 | if (strcmp (p->name, s) == 0) | |
640 | { | |
641 | if (p->type != t) | |
642 | { | |
643 | error_at_line (pos, "type `%s' previously defined", s); | |
644 | error_at_line (&p->line, "previously defined here"); | |
645 | } | |
646 | return; | |
647 | } | |
648 | ||
9318f22c | 649 | p = XNEW (struct pair); |
1f3233d1 | 650 | p->next = typedefs; |
651 | p->name = s; | |
652 | p->type = t; | |
653 | p->line = *pos; | |
e3b362c8 | 654 | p->opt = NULL; |
1f3233d1 | 655 | typedefs = p; |
656 | } | |
657 | ||
80da8e25 | 658 | /* Define S as a typename of a scalar. Cannot be used to define |
659 | typedefs of 'char'. Note: is also used for pointer-to-function | |
660 | typedefs (which are therefore not treated as pointers). */ | |
c849df63 | 661 | |
80da8e25 | 662 | void |
1a97be37 | 663 | do_scalar_typedef (const char *s, struct fileloc *pos) |
c849df63 | 664 | { |
80da8e25 | 665 | do_typedef (s, &scalar_nonchar, pos); |
c849df63 | 666 | } |
667 | ||
102502d4 | 668 | /* Return the type previously defined for S. Use POS to report errors. */ |
155e048d | 669 | |
1f3233d1 | 670 | type_p |
1a97be37 | 671 | resolve_typedef (const char *s, struct fileloc *pos) |
1f3233d1 | 672 | { |
673 | pair_p p; | |
674 | for (p = typedefs; p != NULL; p = p->next) | |
675 | if (strcmp (p->name, s) == 0) | |
676 | return p->type; | |
677 | error_at_line (pos, "unidentified type `%s'", s); | |
01c8b828 | 678 | return &scalar_nonchar; /* treat as "int" */ |
1f3233d1 | 679 | } |
680 | ||
0cee3d8a | 681 | /* Create and return a new structure with tag NAME (or a union iff |
682 | ISUNION is nonzero), at POS with fields FIELDS and options O. */ | |
155e048d | 683 | |
0cee3d8a | 684 | type_p |
1a97be37 | 685 | new_structure (const char *name, int isunion, struct fileloc *pos, |
686 | pair_p fields, options_p o) | |
1f3233d1 | 687 | { |
688 | type_p si; | |
689 | type_p s = NULL; | |
570af75a | 690 | lang_bitmap bitmap = get_lang_bitmap (pos->file); |
1f3233d1 | 691 | |
692 | for (si = structures; si != NULL; si = si->next) | |
01c8b828 | 693 | if (strcmp (name, si->u.s.tag) == 0 && UNION_P (si) == isunion) |
1f3233d1 | 694 | { |
695 | type_p ls = NULL; | |
696 | if (si->kind == TYPE_LANG_STRUCT) | |
697 | { | |
698 | ls = si; | |
1a97be37 | 699 | |
1f3233d1 | 700 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
701 | if (si->u.s.bitmap == bitmap) | |
702 | s = si; | |
703 | } | |
704 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
705 | { | |
706 | ls = si; | |
9318f22c | 707 | si = XCNEW (struct type); |
1f3233d1 | 708 | memcpy (si, ls, sizeof (struct type)); |
709 | ls->kind = TYPE_LANG_STRUCT; | |
710 | ls->u.s.lang_struct = si; | |
711 | ls->u.s.fields = NULL; | |
712 | si->next = NULL; | |
713 | si->pointer_to = NULL; | |
714 | si->u.s.lang_struct = ls; | |
715 | } | |
716 | else | |
717 | s = si; | |
718 | ||
719 | if (ls != NULL && s == NULL) | |
720 | { | |
9318f22c | 721 | s = XCNEW (struct type); |
1f3233d1 | 722 | s->next = ls->u.s.lang_struct; |
723 | ls->u.s.lang_struct = s; | |
724 | s->u.s.lang_struct = ls; | |
725 | } | |
726 | break; | |
727 | } | |
1a97be37 | 728 | |
1f3233d1 | 729 | if (s == NULL) |
730 | { | |
9318f22c | 731 | s = XCNEW (struct type); |
1f3233d1 | 732 | s->next = structures; |
733 | structures = s; | |
734 | } | |
735 | ||
736 | if (s->u.s.line.file != NULL | |
737 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
738 | { | |
1e837561 | 739 | error_at_line (pos, "duplicate definition of '%s %s'", |
740 | isunion ? "union" : "struct", s->u.s.tag); | |
1f3233d1 | 741 | error_at_line (&s->u.s.line, "previous definition here"); |
742 | } | |
743 | ||
744 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
745 | s->u.s.tag = name; | |
746 | s->u.s.line = *pos; | |
747 | s->u.s.fields = fields; | |
748 | s->u.s.opt = o; | |
749 | s->u.s.bitmap = bitmap; | |
750 | if (s->u.s.lang_struct) | |
751 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
0cee3d8a | 752 | |
01c8b828 | 753 | return s; |
1f3233d1 | 754 | } |
755 | ||
155e048d | 756 | /* Return the previously-defined structure with tag NAME (or a union |
757 | iff ISUNION is nonzero), or a new empty structure or union if none | |
758 | was defined previously. */ | |
759 | ||
1f3233d1 | 760 | type_p |
1a97be37 | 761 | find_structure (const char *name, int isunion) |
1f3233d1 | 762 | { |
763 | type_p s; | |
764 | ||
765 | for (s = structures; s != NULL; s = s->next) | |
01c8b828 | 766 | if (strcmp (name, s->u.s.tag) == 0 && UNION_P (s) == isunion) |
1f3233d1 | 767 | return s; |
768 | ||
9318f22c | 769 | s = XCNEW (struct type); |
1f3233d1 | 770 | s->next = structures; |
771 | structures = s; | |
772 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
773 | s->u.s.tag = name; | |
774 | structures = s; | |
775 | return s; | |
776 | } | |
777 | ||
a8b24921 | 778 | /* Return the previously-defined parameterized structure for structure |
779 | T and parameters PARAM, or a new parameterized empty structure or | |
9cb8e99f | 780 | union if none was defined previously. */ |
c849df63 | 781 | |
782 | static type_p | |
1a97be37 | 783 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
c849df63 | 784 | { |
785 | type_p res; | |
1a97be37 | 786 | |
c849df63 | 787 | for (res = param_structs; res; res = res->next) |
788 | if (res->u.param_struct.stru == t | |
1a97be37 | 789 | && memcmp (res->u.param_struct.param, param, |
c849df63 | 790 | sizeof (type_p) * NUM_PARAM) == 0) |
791 | break; | |
792 | if (res == NULL) | |
793 | { | |
9318f22c | 794 | res = XCNEW (struct type); |
c849df63 | 795 | res->kind = TYPE_PARAM_STRUCT; |
796 | res->next = param_structs; | |
797 | param_structs = res; | |
798 | res->u.param_struct.stru = t; | |
799 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
800 | } | |
801 | return res; | |
802 | } | |
803 | ||
155e048d | 804 | /* Return a scalar type with name NAME. */ |
805 | ||
1f3233d1 | 806 | type_p |
80da8e25 | 807 | create_scalar_type (const char *name) |
1f3233d1 | 808 | { |
80da8e25 | 809 | if (!strcmp (name, "char") || !strcmp (name, "unsigned char")) |
810 | return &scalar_char; | |
811 | else | |
812 | return &scalar_nonchar; | |
1f3233d1 | 813 | } |
814 | ||
155e048d | 815 | /* Return a pointer to T. */ |
816 | ||
1f3233d1 | 817 | type_p |
1a97be37 | 818 | create_pointer (type_p t) |
1f3233d1 | 819 | { |
01c8b828 | 820 | if (!t->pointer_to) |
1f3233d1 | 821 | { |
9318f22c | 822 | type_p r = XCNEW (struct type); |
1f3233d1 | 823 | r->kind = TYPE_POINTER; |
824 | r->u.p = t; | |
825 | t->pointer_to = r; | |
826 | } | |
827 | return t->pointer_to; | |
828 | } | |
829 | ||
155e048d | 830 | /* Return an array of length LEN. */ |
831 | ||
1f3233d1 | 832 | type_p |
1a97be37 | 833 | create_array (type_p t, const char *len) |
1f3233d1 | 834 | { |
835 | type_p v; | |
1a97be37 | 836 | |
9318f22c | 837 | v = XCNEW (struct type); |
1f3233d1 | 838 | v->kind = TYPE_ARRAY; |
839 | v->u.a.p = t; | |
840 | v->u.a.len = len; | |
841 | return v; | |
842 | } | |
843 | ||
0cee3d8a | 844 | /* Return an options structure with name NAME and info INFO. NEXT is the |
845 | next option in the chain. */ | |
846 | ||
7035b2ab | 847 | options_p |
0cee3d8a | 848 | create_option (options_p next, const char *name, const void *info) |
7035b2ab | 849 | { |
9318f22c | 850 | options_p o = XNEW (struct options); |
0cee3d8a | 851 | o->next = next; |
7035b2ab | 852 | o->name = name; |
01c8b828 | 853 | o->info = (const char *) info; |
7035b2ab | 854 | return o; |
855 | } | |
856 | ||
6fee8f02 | 857 | /* Return an options structure for a "nested_ptr" option. */ |
858 | options_p | |
4097676c | 859 | create_nested_ptr_option (options_p next, type_p t, |
860 | const char *to, const char *from) | |
6fee8f02 | 861 | { |
862 | struct nested_ptr_data *d = XNEW (struct nested_ptr_data); | |
863 | ||
864 | d->type = adjust_field_type (t, 0); | |
865 | d->convert_to = to; | |
866 | d->convert_from = from; | |
4097676c | 867 | return create_option (next, "nested_ptr", d); |
6fee8f02 | 868 | } |
869 | ||
c849df63 | 870 | /* Add a variable named S of type T with options O defined at POS, |
871 | to `variables'. */ | |
872 | ||
873 | void | |
1a97be37 | 874 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
c849df63 | 875 | { |
876 | pair_p n; | |
9318f22c | 877 | n = XNEW (struct pair); |
c849df63 | 878 | n->name = s; |
879 | n->type = t; | |
880 | n->line = *pos; | |
881 | n->opt = o; | |
882 | n->next = variables; | |
883 | variables = n; | |
884 | } | |
885 | ||
4097676c | 886 | /* Most-general structure field creator. */ |
0cee3d8a | 887 | static pair_p |
4097676c | 888 | create_field_all (pair_p next, type_p type, const char *name, options_p opt, |
889 | const char *file, int line) | |
0cee3d8a | 890 | { |
891 | pair_p field; | |
892 | ||
893 | field = XNEW (struct pair); | |
894 | field->next = next; | |
895 | field->type = type; | |
896 | field->name = name; | |
4097676c | 897 | field->opt = opt; |
898 | field->line.file = file; | |
899 | field->line.line = line; | |
0cee3d8a | 900 | return field; |
901 | } | |
902 | ||
4097676c | 903 | /* Create a field that came from the source code we are scanning, |
904 | i.e. we have a 'struct fileloc', and possibly options; also, | |
905 | adjust_field_type should be called. */ | |
906 | pair_p | |
907 | create_field_at (pair_p next, type_p type, const char *name, options_p opt, | |
908 | struct fileloc *pos) | |
909 | { | |
910 | return create_field_all (next, adjust_field_type (type, opt), | |
911 | name, opt, pos->file, pos->line); | |
912 | } | |
913 | ||
914 | /* Create a fake field with the given type and name. NEXT is the next | |
915 | field in the chain. */ | |
916 | #define create_field(next,type,name) \ | |
1fdf44f0 | 917 | create_field_all(next,type,name, 0, this_file, __LINE__) |
4097676c | 918 | |
f2d0e9f1 | 919 | /* Like create_field, but the field is only valid when condition COND |
920 | is true. */ | |
921 | ||
922 | static pair_p | |
4097676c | 923 | create_optional_field_ (pair_p next, type_p type, const char *name, |
924 | const char *cond, int line) | |
f2d0e9f1 | 925 | { |
926 | static int id = 1; | |
4097676c | 927 | pair_p union_fields; |
f2d0e9f1 | 928 | type_p union_type; |
929 | ||
930 | /* Create a fake union type with a single nameless field of type TYPE. | |
931 | The field has a tag of "1". This allows us to make the presence | |
932 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
933 | union_fields = create_field (NULL, type, ""); | |
934 | union_fields->opt = create_option (union_fields->opt, "dot", ""); | |
935 | union_fields->opt = create_option (union_fields->opt, "tag", "1"); | |
936 | union_type = new_structure (xasprintf ("%s_%d", "fake_union", id++), 1, | |
937 | &lexer_line, union_fields, NULL); | |
938 | ||
939 | /* Create the field and give it the new fake union type. Add a "desc" | |
940 | tag that specifies the condition under which the field is valid. */ | |
4097676c | 941 | return create_field_all (next, union_type, name, |
01c8b828 | 942 | create_option (0, "desc", cond), this_file, line); |
f2d0e9f1 | 943 | } |
01c8b828 | 944 | |
4097676c | 945 | #define create_optional_field(next,type,name,cond) \ |
1fdf44f0 | 946 | create_optional_field_(next,type,name,cond,__LINE__) |
f2d0e9f1 | 947 | |
1e837561 | 948 | /* Reverse a linked list of 'struct pair's in place. */ |
949 | pair_p | |
950 | nreverse_pairs (pair_p list) | |
951 | { | |
952 | pair_p prev = 0, p, next; | |
953 | for (p = list; p; p = next) | |
954 | { | |
955 | next = p->next; | |
956 | p->next = prev; | |
957 | prev = p; | |
958 | } | |
959 | return prev; | |
960 | } | |
1e837561 | 961 | \f |
01c8b828 | 962 | |
12d4f380 | 963 | /* We don't care how long a CONST_DOUBLE is. */ |
c849df63 | 964 | #define CONST_DOUBLE_FORMAT "ww" |
12d4f380 | 965 | /* We don't want to see codes that are only for generator files. */ |
966 | #undef GENERATOR_FILE | |
967 | ||
01c8b828 | 968 | enum rtx_code |
969 | { | |
12d4f380 | 970 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , |
971 | #include "rtl.def" | |
972 | #undef DEF_RTL_EXPR | |
973 | NUM_RTX_CODE | |
974 | }; | |
975 | ||
01c8b828 | 976 | static const char *const rtx_name[NUM_RTX_CODE] = { |
12d4f380 | 977 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , |
978 | #include "rtl.def" | |
979 | #undef DEF_RTL_EXPR | |
980 | }; | |
981 | ||
01c8b828 | 982 | static const char *const rtx_format[NUM_RTX_CODE] = { |
c849df63 | 983 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
984 | #include "rtl.def" | |
985 | #undef DEF_RTL_EXPR | |
986 | }; | |
987 | ||
acfcaf8d | 988 | static int rtx_next_new[NUM_RTX_CODE]; |
c849df63 | 989 | |
12d4f380 | 990 | /* We also need codes and names for insn notes (not register notes). |
991 | Note that we do *not* bias the note values here. */ | |
01c8b828 | 992 | enum insn_note |
993 | { | |
12d4f380 | 994 | #define DEF_INSN_NOTE(NAME) NAME, |
995 | #include "insn-notes.def" | |
996 | #undef DEF_INSN_NOTE | |
997 | ||
998 | NOTE_INSN_MAX | |
999 | }; | |
1000 | ||
ab6994d2 | 1001 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
1002 | default field for line number notes. */ | |
01c8b828 | 1003 | static const char *const note_insn_name[NOTE_INSN_MAX + 1] = { |
12d4f380 | 1004 | #define DEF_INSN_NOTE(NAME) #NAME, |
1005 | #include "insn-notes.def" | |
1006 | #undef DEF_INSN_NOTE | |
1007 | }; | |
1008 | ||
1009 | #undef CONST_DOUBLE_FORMAT | |
1010 | #define GENERATOR_FILE | |
1011 | ||
c849df63 | 1012 | /* Generate the contents of the rtx_next array. This really doesn't belong |
1013 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
1014 | ||
1015 | static void | |
1a97be37 | 1016 | gen_rtx_next (void) |
c849df63 | 1017 | { |
1018 | int i; | |
1019 | for (i = 0; i < NUM_RTX_CODE; i++) | |
1020 | { | |
1021 | int k; | |
1a97be37 | 1022 | |
acfcaf8d | 1023 | rtx_next_new[i] = -1; |
c849df63 | 1024 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
acfcaf8d | 1025 | rtx_next_new[i] = 2; |
c849df63 | 1026 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
acfcaf8d | 1027 | rtx_next_new[i] = 1; |
1a97be37 | 1028 | else |
c849df63 | 1029 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
1030 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
acfcaf8d | 1031 | rtx_next_new[i] = k; |
c849df63 | 1032 | } |
1033 | } | |
1034 | ||
1035 | /* Write out the contents of the rtx_next array. */ | |
1036 | static void | |
1a97be37 | 1037 | write_rtx_next (void) |
c849df63 | 1038 | { |
1039 | outf_p f = get_output_file_with_visibility (NULL); | |
1040 | int i; | |
48e1416a | 1041 | if (!f) |
9dc75945 | 1042 | return; |
1a97be37 | 1043 | |
c849df63 | 1044 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
cd819d2f | 1045 | oprintf (f, "EXPORTED_CONST unsigned char rtx_next[NUM_RTX_CODE] = {\n"); |
c849df63 | 1046 | for (i = 0; i < NUM_RTX_CODE; i++) |
acfcaf8d | 1047 | if (rtx_next_new[i] == -1) |
c849df63 | 1048 | oprintf (f, " 0,\n"); |
1049 | else | |
1a97be37 | 1050 | oprintf (f, |
01c8b828 | 1051 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", rtx_next_new[i]); |
c849df63 | 1052 | oprintf (f, "};\n"); |
1053 | } | |
1054 | ||
1055 | /* Handle `special("rtx_def")'. This is a special case for field | |
1056 | `fld' of struct rtx_def, which is an array of unions whose values | |
1057 | are based in a complex way on the type of RTL. */ | |
1058 | ||
1059 | static type_p | |
9a03a746 | 1060 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
c849df63 | 1061 | { |
1062 | pair_p flds = NULL; | |
1063 | options_p nodot; | |
1064 | int i; | |
1065 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
240a4681 | 1066 | type_p basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
c849df63 | 1067 | |
bf6b5685 | 1068 | if (t->kind != TYPE_UNION) |
c849df63 | 1069 | { |
1a97be37 | 1070 | error_at_line (&lexer_line, |
bf6b5685 | 1071 | "special `rtx_def' must be applied to a union"); |
c849df63 | 1072 | return &string_type; |
1073 | } | |
1a97be37 | 1074 | |
0cee3d8a | 1075 | nodot = create_option (NULL, "dot", ""); |
c849df63 | 1076 | |
1077 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
1078 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
1079 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
1080 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
ca74b940 | 1081 | reg_attrs_tp = create_pointer (find_structure ("reg_attrs", 0)); |
c849df63 | 1082 | basic_block_tp = create_pointer (find_structure ("basic_block_def", 0)); |
01c8b828 | 1083 | constant_tp = |
1084 | create_pointer (find_structure ("constant_descriptor_rtx", 0)); | |
1085 | scalar_tp = &scalar_nonchar; /* rtunion int */ | |
c849df63 | 1086 | |
1087 | { | |
1088 | pair_p note_flds = NULL; | |
1089 | int c; | |
acfcaf8d | 1090 | |
12d4f380 | 1091 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
c849df63 | 1092 | { |
acfcaf8d | 1093 | switch (c) |
1094 | { | |
acfcaf8d | 1095 | case NOTE_INSN_MAX: |
d5b19135 | 1096 | case NOTE_INSN_DELETED_LABEL: |
0cee3d8a | 1097 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
acfcaf8d | 1098 | break; |
1099 | ||
1100 | case NOTE_INSN_BLOCK_BEG: | |
1101 | case NOTE_INSN_BLOCK_END: | |
0cee3d8a | 1102 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
acfcaf8d | 1103 | break; |
1a97be37 | 1104 | |
5923a5e7 | 1105 | case NOTE_INSN_VAR_LOCATION: |
0cee3d8a | 1106 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
acfcaf8d | 1107 | break; |
1108 | ||
1109 | default: | |
0cee3d8a | 1110 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
acfcaf8d | 1111 | break; |
1112 | } | |
0cee3d8a | 1113 | /* NOTE_INSN_MAX is used as the default field for line |
1114 | number notes. */ | |
1115 | if (c == NOTE_INSN_MAX) | |
1116 | note_flds->opt = create_option (nodot, "default", ""); | |
1117 | else | |
1118 | note_flds->opt = create_option (nodot, "tag", note_insn_name[c]); | |
c849df63 | 1119 | } |
0cee3d8a | 1120 | note_union_tp = new_structure ("rtx_def_note_subunion", 1, |
1121 | &lexer_line, note_flds, NULL); | |
c849df63 | 1122 | } |
7c266bb1 | 1123 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
1124 | { | |
1125 | pair_p sym_flds; | |
1126 | ||
1127 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); | |
1128 | sym_flds->opt = create_option (nodot, "default", ""); | |
1129 | ||
1130 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); | |
1131 | sym_flds->opt = create_option (nodot, "tag", "1"); | |
1132 | ||
1133 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1, | |
1134 | &lexer_line, sym_flds, NULL); | |
1135 | } | |
c849df63 | 1136 | for (i = 0; i < NUM_RTX_CODE; i++) |
1137 | { | |
c849df63 | 1138 | pair_p subfields = NULL; |
1139 | size_t aindex, nmindex; | |
1140 | const char *sname; | |
0cee3d8a | 1141 | type_p substruct; |
c849df63 | 1142 | char *ftag; |
1143 | ||
1144 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
1145 | { | |
c849df63 | 1146 | type_p t; |
1147 | const char *subname; | |
1148 | ||
1149 | switch (rtx_format[i][aindex]) | |
1150 | { | |
1151 | case '*': | |
1152 | case 'i': | |
1153 | case 'n': | |
1154 | case 'w': | |
1155 | t = scalar_tp; | |
993d9e55 | 1156 | subname = "rt_int"; |
c849df63 | 1157 | break; |
1158 | ||
1159 | case '0': | |
1160 | if (i == MEM && aindex == 1) | |
993d9e55 | 1161 | t = mem_attrs_tp, subname = "rt_mem"; |
3072d30e | 1162 | else if (i == JUMP_INSN && aindex == 8) |
993d9e55 | 1163 | t = rtx_tp, subname = "rt_rtx"; |
c849df63 | 1164 | else if (i == CODE_LABEL && aindex == 5) |
3a55c112 | 1165 | t = scalar_tp, subname = "rt_int"; |
1166 | else if (i == CODE_LABEL && aindex == 4) | |
993d9e55 | 1167 | t = rtx_tp, subname = "rt_rtx"; |
01c8b828 | 1168 | else if (i == LABEL_REF && (aindex == 1 || aindex == 2)) |
993d9e55 | 1169 | t = rtx_tp, subname = "rt_rtx"; |
3a55c112 | 1170 | else if (i == NOTE && aindex == 4) |
9e628780 | 1171 | t = note_union_tp, subname = ""; |
1172 | else if (i == NOTE && aindex == 5) | |
ad4583d9 | 1173 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 1174 | else if (i == NOTE && aindex >= 7) |
993d9e55 | 1175 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 1176 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
993d9e55 | 1177 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 1178 | else if (i == VALUE && aindex == 0) |
993d9e55 | 1179 | t = scalar_tp, subname = "rt_int"; |
688ff29b | 1180 | else if (i == DEBUG_EXPR && aindex == 0) |
1181 | t = tree_tp, subname = "rt_tree"; | |
c849df63 | 1182 | else if (i == REG && aindex == 1) |
993d9e55 | 1183 | t = scalar_tp, subname = "rt_int"; |
ca74b940 | 1184 | else if (i == REG && aindex == 2) |
993d9e55 | 1185 | t = reg_attrs_tp, subname = "rt_reg"; |
c849df63 | 1186 | else if (i == SCRATCH && aindex == 0) |
993d9e55 | 1187 | t = scalar_tp, subname = "rt_int"; |
001be062 | 1188 | else if (i == SYMBOL_REF && aindex == 1) |
993d9e55 | 1189 | t = scalar_tp, subname = "rt_int"; |
001be062 | 1190 | else if (i == SYMBOL_REF && aindex == 2) |
7c266bb1 | 1191 | t = symbol_union_tp, subname = ""; |
c849df63 | 1192 | else if (i == BARRIER && aindex >= 3) |
993d9e55 | 1193 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 1194 | else |
1195 | { | |
1a97be37 | 1196 | error_at_line (&lexer_line, |
01c8b828 | 1197 | "rtx type `%s' has `0' in position %lu, can't handle", |
e72117bc | 1198 | rtx_name[i], (unsigned long) aindex); |
c849df63 | 1199 | t = &string_type; |
993d9e55 | 1200 | subname = "rt_int"; |
c849df63 | 1201 | } |
1202 | break; | |
1a97be37 | 1203 | |
c849df63 | 1204 | case 's': |
1205 | case 'S': | |
1206 | case 'T': | |
1207 | t = &string_type; | |
993d9e55 | 1208 | subname = "rt_str"; |
c849df63 | 1209 | break; |
1210 | ||
1211 | case 'e': | |
1212 | case 'u': | |
1213 | t = rtx_tp; | |
993d9e55 | 1214 | subname = "rt_rtx"; |
c849df63 | 1215 | break; |
1216 | ||
1217 | case 'E': | |
1218 | case 'V': | |
1219 | t = rtvec_tp; | |
993d9e55 | 1220 | subname = "rt_rtvec"; |
c849df63 | 1221 | break; |
1222 | ||
1223 | case 't': | |
1224 | t = tree_tp; | |
993d9e55 | 1225 | subname = "rt_tree"; |
c849df63 | 1226 | break; |
1227 | ||
c849df63 | 1228 | case 'B': |
1229 | t = basic_block_tp; | |
993d9e55 | 1230 | subname = "rt_bb"; |
c849df63 | 1231 | break; |
1232 | ||
1233 | default: | |
1a97be37 | 1234 | error_at_line (&lexer_line, |
01c8b828 | 1235 | "rtx type `%s' has `%c' in position %lu, can't handle", |
c849df63 | 1236 | rtx_name[i], rtx_format[i][aindex], |
01c8b828 | 1237 | (unsigned long) aindex); |
c849df63 | 1238 | t = &string_type; |
993d9e55 | 1239 | subname = "rt_int"; |
c849df63 | 1240 | break; |
1241 | } | |
1242 | ||
0cee3d8a | 1243 | subfields = create_field (subfields, t, |
1244 | xasprintf (".fld[%lu].%s", | |
1245 | (unsigned long) aindex, | |
1246 | subname)); | |
1247 | subfields->opt = nodot; | |
c849df63 | 1248 | if (t == note_union_tp) |
0cee3d8a | 1249 | subfields->opt = create_option (subfields->opt, "desc", |
ad4583d9 | 1250 | "NOTE_KIND (&%0)"); |
7c266bb1 | 1251 | if (t == symbol_union_tp) |
1252 | subfields->opt = create_option (subfields->opt, "desc", | |
1253 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
c849df63 | 1254 | } |
1255 | ||
f2d0e9f1 | 1256 | if (i == SYMBOL_REF) |
1257 | { | |
6617cbc1 | 1258 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P holds. */ |
f2d0e9f1 | 1259 | type_p field_tp = find_structure ("block_symbol", 0); |
6617cbc1 | 1260 | subfields |
1261 | = create_optional_field (subfields, field_tp, "block_sym", | |
1262 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
f2d0e9f1 | 1263 | } |
1264 | ||
c849df63 | 1265 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0cee3d8a | 1266 | substruct = new_structure (sname, 0, &lexer_line, subfields, NULL); |
1267 | ||
c849df63 | 1268 | ftag = xstrdup (rtx_name[i]); |
1269 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
1270 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0cee3d8a | 1271 | |
1272 | flds = create_field (flds, substruct, ""); | |
1273 | flds->opt = create_option (nodot, "tag", ftag); | |
c849df63 | 1274 | } |
1275 | ||
0cee3d8a | 1276 | return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); |
c849df63 | 1277 | } |
1278 | ||
1279 | /* Handle `special("tree_exp")'. This is a special case for | |
1280 | field `operands' of struct tree_exp, which although it claims to contain | |
1a97be37 | 1281 | pointers to trees, actually sometimes contains pointers to RTL too. |
c849df63 | 1282 | Passed T, the old type of the field, and OPT its options. Returns |
1283 | a new type for the field. */ | |
1284 | ||
1285 | static type_p | |
1a97be37 | 1286 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
c849df63 | 1287 | { |
1288 | pair_p flds; | |
1289 | options_p nodot; | |
1a97be37 | 1290 | |
c849df63 | 1291 | if (t->kind != TYPE_ARRAY) |
1292 | { | |
1a97be37 | 1293 | error_at_line (&lexer_line, |
c849df63 | 1294 | "special `tree_exp' must be applied to an array"); |
1295 | return &string_type; | |
1296 | } | |
1a97be37 | 1297 | |
0cee3d8a | 1298 | nodot = create_option (NULL, "dot", ""); |
1299 | ||
1300 | flds = create_field (NULL, t, ""); | |
1301 | flds->opt = create_option (nodot, "length", | |
c2f47e15 | 1302 | "TREE_OPERAND_LENGTH ((tree) &%0)"); |
0cee3d8a | 1303 | flds->opt = create_option (flds->opt, "default", ""); |
1a97be37 | 1304 | |
0cee3d8a | 1305 | return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
c849df63 | 1306 | } |
1307 | ||
155e048d | 1308 | /* Perform any special processing on a type T, about to become the type |
1309 | of a field. Return the appropriate type for the field. | |
1310 | At present: | |
1311 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
1312 | - Similarly for arrays of pointer-to-char; | |
1313 | - Converts structures for which a parameter is provided to | |
c849df63 | 1314 | TYPE_PARAM_STRUCT; |
1315 | - Handles "special" options. | |
1a97be37 | 1316 | */ |
155e048d | 1317 | |
1f3233d1 | 1318 | type_p |
1a97be37 | 1319 | adjust_field_type (type_p t, options_p opt) |
1f3233d1 | 1320 | { |
1321 | int length_p = 0; | |
1322 | const int pointer_p = t->kind == TYPE_POINTER; | |
c849df63 | 1323 | type_p params[NUM_PARAM]; |
1324 | int params_p = 0; | |
1325 | int i; | |
1326 | ||
1327 | for (i = 0; i < NUM_PARAM; i++) | |
1328 | params[i] = NULL; | |
1a97be37 | 1329 | |
1f3233d1 | 1330 | for (; opt; opt = opt->next) |
1331 | if (strcmp (opt->name, "length") == 0) | |
1332 | length_p = 1; | |
c849df63 | 1333 | else if (strcmp (opt->name, "param_is") == 0 |
1334 | || (strncmp (opt->name, "param", 5) == 0 | |
1335 | && ISDIGIT (opt->name[5]) | |
1336 | && strcmp (opt->name + 6, "_is") == 0)) | |
1f3233d1 | 1337 | { |
c849df63 | 1338 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
1f3233d1 | 1339 | |
01c8b828 | 1340 | if (!UNION_OR_STRUCT_P (t) |
1341 | && (t->kind != TYPE_POINTER || !UNION_OR_STRUCT_P (t->u.p))) | |
c849df63 | 1342 | { |
1a97be37 | 1343 | error_at_line (&lexer_line, |
01c8b828 | 1344 | "option `%s' may only be applied to structures or structure pointers", |
c849df63 | 1345 | opt->name); |
1346 | return t; | |
1347 | } | |
1348 | ||
1349 | params_p = 1; | |
1350 | if (params[num] != NULL) | |
1351 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
01c8b828 | 1352 | if (!ISDIGIT (opt->name[5])) |
1353 | params[num] = | |
1354 | create_pointer (CONST_CAST2 (type_p, const char *, opt->info)); | |
c849df63 | 1355 | else |
65b198c2 | 1356 | params[num] = CONST_CAST2 (type_p, const char *, opt->info); |
1f3233d1 | 1357 | } |
c849df63 | 1358 | else if (strcmp (opt->name, "special") == 0) |
1359 | { | |
a070a3bd | 1360 | const char *special_name = opt->info; |
c849df63 | 1361 | if (strcmp (special_name, "tree_exp") == 0) |
1362 | t = adjust_field_tree_exp (t, opt); | |
1363 | else if (strcmp (special_name, "rtx_def") == 0) | |
1364 | t = adjust_field_rtx_def (t, opt); | |
1365 | else | |
1366 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
1367 | } | |
1368 | ||
1369 | if (params_p) | |
1370 | { | |
1371 | type_p realt; | |
1a97be37 | 1372 | |
c849df63 | 1373 | if (pointer_p) |
1374 | t = t->u.p; | |
1375 | realt = find_param_structure (t, params); | |
1376 | t = pointer_p ? create_pointer (realt) : realt; | |
1377 | } | |
1378 | ||
01c8b828 | 1379 | if (!length_p |
1380 | && pointer_p && t->u.p->kind == TYPE_SCALAR && t->u.p->u.scalar_is_char) | |
1f3233d1 | 1381 | return &string_type; |
1382 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
1383 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
80da8e25 | 1384 | && t->u.a.p->u.p->u.scalar_is_char) |
1f3233d1 | 1385 | return create_array (&string_type, t->u.a.len); |
1386 | ||
1387 | return t; | |
1388 | } | |
1f3233d1 | 1389 | \f |
01c8b828 | 1390 | |
1a97be37 | 1391 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
1392 | static void set_gc_used (pair_p); | |
1f3233d1 | 1393 | |
155e048d | 1394 | /* Handle OPT for set_gc_used_type. */ |
1395 | ||
1f3233d1 | 1396 | static void |
1a97be37 | 1397 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
01c8b828 | 1398 | int *pass_param, int *length, int *skip, |
1399 | type_p *nested_ptr) | |
1f3233d1 | 1400 | { |
1401 | options_p o; | |
1402 | for (o = opt; o; o = o->next) | |
1403 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO) | |
65b198c2 | 1404 | set_gc_used_type (CONST_CAST2 (type_p, const char *, o->info), |
1405 | GC_POINTED_TO, NULL); | |
1f3233d1 | 1406 | else if (strcmp (o->name, "maybe_undef") == 0) |
1407 | *maybe_undef = 1; | |
c849df63 | 1408 | else if (strcmp (o->name, "use_params") == 0) |
1409 | *pass_param = 1; | |
1410 | else if (strcmp (o->name, "length") == 0) | |
1411 | *length = 1; | |
f6680037 | 1412 | else if (strcmp (o->name, "skip") == 0) |
1413 | *skip = 1; | |
c39ed964 | 1414 | else if (strcmp (o->name, "nested_ptr") == 0) |
1415 | *nested_ptr = ((const struct nested_ptr_data *) o->info)->type; | |
1f3233d1 | 1416 | } |
1417 | ||
155e048d | 1418 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
1419 | ||
1f3233d1 | 1420 | static void |
1a97be37 | 1421 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
1f3233d1 | 1422 | { |
1423 | if (t->gc_used >= level) | |
1424 | return; | |
1a97be37 | 1425 | |
1f3233d1 | 1426 | t->gc_used = level; |
1427 | ||
1428 | switch (t->kind) | |
1429 | { | |
1430 | case TYPE_STRUCT: | |
1431 | case TYPE_UNION: | |
1432 | { | |
1433 | pair_p f; | |
1434 | int dummy; | |
c39ed964 | 1435 | type_p dummy2; |
1f3233d1 | 1436 | |
f6680037 | 1437 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
c39ed964 | 1438 | &dummy2); |
1f3233d1 | 1439 | |
1440 | for (f = t->u.s.fields; f; f = f->next) | |
1441 | { | |
1442 | int maybe_undef = 0; | |
c849df63 | 1443 | int pass_param = 0; |
1444 | int length = 0; | |
f6680037 | 1445 | int skip = 0; |
c39ed964 | 1446 | type_p nested_ptr = NULL; |
c849df63 | 1447 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
f6680037 | 1448 | &length, &skip, &nested_ptr); |
1a97be37 | 1449 | |
c39ed964 | 1450 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
48e1416a | 1451 | set_gc_used_type (nested_ptr, GC_POINTED_TO, |
c39ed964 | 1452 | pass_param ? param : NULL); |
1453 | else if (length && f->type->kind == TYPE_POINTER) | |
c849df63 | 1454 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
1455 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
1456 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
1457 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
1458 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
1459 | GC_POINTED_TO, NULL); | |
f6680037 | 1460 | else if (skip) |
01c8b828 | 1461 | ; /* target type is not used through this field */ |
1f3233d1 | 1462 | else |
c849df63 | 1463 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
1f3233d1 | 1464 | } |
1465 | break; | |
1466 | } | |
1467 | ||
1468 | case TYPE_POINTER: | |
c849df63 | 1469 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
1f3233d1 | 1470 | break; |
1471 | ||
1472 | case TYPE_ARRAY: | |
c849df63 | 1473 | set_gc_used_type (t->u.a.p, GC_USED, param); |
1f3233d1 | 1474 | break; |
1a97be37 | 1475 | |
1f3233d1 | 1476 | case TYPE_LANG_STRUCT: |
1477 | for (t = t->u.s.lang_struct; t; t = t->next) | |
c849df63 | 1478 | set_gc_used_type (t, level, param); |
1f3233d1 | 1479 | break; |
1480 | ||
1481 | case TYPE_PARAM_STRUCT: | |
c849df63 | 1482 | { |
1483 | int i; | |
1484 | for (i = 0; i < NUM_PARAM; i++) | |
1485 | if (t->u.param_struct.param[i] != 0) | |
1486 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
1487 | } | |
1488 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
1489 | level = GC_POINTED_TO; | |
1490 | else | |
1491 | level = GC_USED; | |
1492 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
1a97be37 | 1493 | set_gc_used_type (t->u.param_struct.stru, level, |
c849df63 | 1494 | t->u.param_struct.param); |
1f3233d1 | 1495 | break; |
1496 | ||
1497 | default: | |
1498 | break; | |
1499 | } | |
1500 | } | |
1501 | ||
c849df63 | 1502 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
155e048d | 1503 | |
1f3233d1 | 1504 | static void |
1a97be37 | 1505 | set_gc_used (pair_p variables) |
1f3233d1 | 1506 | { |
e62e715c | 1507 | int nbvars = 0; |
1f3233d1 | 1508 | pair_p p; |
1509 | for (p = variables; p; p = p->next) | |
e62e715c | 1510 | { |
1511 | set_gc_used_type (p->type, GC_USED, NULL); | |
1512 | nbvars++; | |
1513 | }; | |
1514 | if (verbosity_level >= 2) | |
1515 | printf ("%s used %d GTY-ed variables\n", progname, nbvars); | |
1f3233d1 | 1516 | } |
1517 | \f | |
1518 | /* File mapping routines. For each input file, there is one output .c file | |
1519 | (but some output files have many input files), and there is one .h file | |
1520 | for the whole build. */ | |
1521 | ||
4097676c | 1522 | /* Output file handling. */ |
1f3233d1 | 1523 | |
92570e7a | 1524 | /* Create and return an outf_p for a new file for NAME, to be called |
1525 | ONAME. */ | |
155e048d | 1526 | |
92570e7a | 1527 | static outf_p |
1a97be37 | 1528 | create_file (const char *name, const char *oname) |
1f3233d1 | 1529 | { |
1530 | static const char *const hdr[] = { | |
9dc75945 | 1531 | " Copyright (C) 2004, 2007, 2009 Free Software Foundation, Inc.\n", |
1f3233d1 | 1532 | "\n", |
1533 | "This file is part of GCC.\n", | |
1534 | "\n", | |
1535 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1536 | "the terms of the GNU General Public License as published by the Free\n", | |
8c4c00c1 | 1537 | "Software Foundation; either version 3, or (at your option) any later\n", |
1f3233d1 | 1538 | "version.\n", |
1539 | "\n", | |
1540 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1541 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1542 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1543 | "for more details.\n", | |
1544 | "\n", | |
1545 | "You should have received a copy of the GNU General Public License\n", | |
8c4c00c1 | 1546 | "along with GCC; see the file COPYING3. If not see\n", |
1547 | "<http://www.gnu.org/licenses/>. */\n", | |
1f3233d1 | 1548 | "\n", |
1549 | "/* This file is machine generated. Do not edit. */\n" | |
1550 | }; | |
92570e7a | 1551 | outf_p f; |
1f3233d1 | 1552 | size_t i; |
1a97be37 | 1553 | |
9dc75945 | 1554 | gcc_assert (name != NULL); |
1555 | gcc_assert (oname != NULL); | |
9318f22c | 1556 | f = XCNEW (struct outf); |
92570e7a | 1557 | f->next = output_files; |
1558 | f->name = oname; | |
1559 | output_files = f; | |
1560 | ||
1561 | oprintf (f, "/* Type information for %s.\n", name); | |
0480d780 | 1562 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
92570e7a | 1563 | oprintf (f, "%s", hdr[i]); |
1f3233d1 | 1564 | return f; |
1565 | } | |
1566 | ||
48e1416a | 1567 | /* Print, like fprintf, to O. |
409f9175 | 1568 | N.B. You might think this could be implemented more efficiently |
1569 | with vsnprintf(). Unfortunately, there are C libraries that | |
1570 | provide that function but without the C99 semantics for its return | |
1571 | value, making it impossible to know how much space is required. */ | |
1a97be37 | 1572 | void |
ee582a61 | 1573 | oprintf (outf_p o, const char *format, ...) |
92570e7a | 1574 | { |
409f9175 | 1575 | char *s; |
92570e7a | 1576 | size_t slength; |
409f9175 | 1577 | va_list ap; |
1a97be37 | 1578 | |
9dc75945 | 1579 | /* In plugin mode, the O could be a NULL pointer, so avoid crashing |
1580 | in that case. */ | |
48e1416a | 1581 | if (!o) |
9dc75945 | 1582 | return; |
1583 | ||
409f9175 | 1584 | va_start (ap, format); |
1585 | slength = vasprintf (&s, format, ap); | |
01c8b828 | 1586 | if (s == NULL || (int) slength < 0) |
409f9175 | 1587 | fatal ("out of memory"); |
1588 | va_end (ap); | |
92570e7a | 1589 | |
409f9175 | 1590 | if (o->bufused + slength > o->buflength) |
92570e7a | 1591 | { |
1592 | size_t new_len = o->buflength; | |
1593 | if (new_len == 0) | |
1594 | new_len = 1024; | |
01c8b828 | 1595 | do |
1596 | { | |
1597 | new_len *= 2; | |
1598 | } | |
1599 | while (o->bufused + slength >= new_len); | |
63aa3db6 | 1600 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
92570e7a | 1601 | o->buflength = new_len; |
1602 | } | |
409f9175 | 1603 | memcpy (o->buf + o->bufused, s, slength); |
92570e7a | 1604 | o->bufused += slength; |
409f9175 | 1605 | free (s); |
92570e7a | 1606 | } |
1607 | ||
155e048d | 1608 | /* Open the global header file and the language-specific header files. */ |
1609 | ||
1f3233d1 | 1610 | static void |
1a97be37 | 1611 | open_base_files (void) |
1f3233d1 | 1612 | { |
1613 | size_t i; | |
1a97be37 | 1614 | |
9dc75945 | 1615 | if (nb_plugin_files > 0 && plugin_files) |
1616 | return; | |
1617 | ||
92570e7a | 1618 | header_file = create_file ("GCC", "gtype-desc.h"); |
1f3233d1 | 1619 | |
570af75a | 1620 | base_files = XNEWVEC (outf_p, num_lang_dirs); |
1621 | ||
1622 | for (i = 0; i < num_lang_dirs; i++) | |
1a97be37 | 1623 | base_files[i] = create_file (lang_dir_names[i], |
776c30b8 | 1624 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
92570e7a | 1625 | |
1626 | /* gtype-desc.c is a little special, so we create it here. */ | |
1627 | { | |
1628 | /* The order of files here matters very much. */ | |
01c8b828 | 1629 | static const char *const ifiles[] = { |
67076d6d | 1630 | "config.h", "system.h", "coretypes.h", "tm.h", |
01c8b828 | 1631 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
42fe97ed | 1632 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", |
1633 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1634 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
1635 | "tree-flow.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", | |
e38def9c | 1636 | "cfglayout.h", "except.h", "output.h", "gimple.h", "cfgloop.h", |
821d4118 | 1637 | "target.h", "ipa-prop.h", "lto-streamer.h", "target-globals.h", NULL |
92570e7a | 1638 | }; |
1639 | const char *const *ifp; | |
1640 | outf_p gtype_desc_c; | |
1a97be37 | 1641 | |
92570e7a | 1642 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1643 | for (ifp = ifiles; *ifp; ifp++) | |
1644 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
c8a152f6 | 1645 | |
1646 | /* Make sure we handle "cfun" specially. */ | |
1647 | oprintf (gtype_desc_c, "\n/* See definition in function.h. */\n"); | |
1648 | oprintf (gtype_desc_c, "#undef cfun\n"); | |
92570e7a | 1649 | } |
1f3233d1 | 1650 | } |
1651 | ||
2ac441f7 | 1652 | /* For F a filename, return the real basename of F, with all the directory |
1653 | components skipped. */ | |
1654 | ||
1655 | static const char * | |
1656 | get_file_realbasename (const char *f) | |
1657 | { | |
01c8b828 | 1658 | const char *lastslash = strrchr (f, '/'); |
48e1416a | 1659 | |
2ac441f7 | 1660 | return (lastslash != NULL) ? lastslash + 1 : f; |
1661 | } | |
1662 | ||
1663 | /* For F a filename, return the relative path to F from $(srcdir) if the | |
1664 | latter is a prefix in F, NULL otherwise. */ | |
1665 | ||
1666 | static const char * | |
1667 | get_file_srcdir_relative_path (const char *f) | |
1668 | { | |
1669 | if (strlen (f) > srcdir_len | |
1670 | && IS_DIR_SEPARATOR (f[srcdir_len]) | |
1671 | && memcmp (f, srcdir, srcdir_len) == 0) | |
1672 | return f + srcdir_len + 1; | |
1673 | else | |
1674 | return NULL; | |
1675 | } | |
1676 | ||
1677 | /* For F a filename, return the relative path to F from $(srcdir) if the | |
1678 | latter is a prefix in F, or the real basename of F otherwise. */ | |
155e048d | 1679 | |
1f3233d1 | 1680 | static const char * |
1a97be37 | 1681 | get_file_basename (const char *f) |
1f3233d1 | 1682 | { |
01c8b828 | 1683 | const char *srcdir_path = get_file_srcdir_relative_path (f); |
1a97be37 | 1684 | |
2ac441f7 | 1685 | return (srcdir_path != NULL) ? srcdir_path : get_file_realbasename (f); |
1686 | } | |
1a97be37 | 1687 | |
2ac441f7 | 1688 | /* For F a filename, return the lang_dir_names relative index of the language |
1689 | directory that is a prefix in F, if any, -1 otherwise. */ | |
1a97be37 | 1690 | |
2ac441f7 | 1691 | static int |
1692 | get_prefix_langdir_index (const char *f) | |
1693 | { | |
1694 | size_t f_len = strlen (f); | |
1695 | size_t lang_index; | |
1a97be37 | 1696 | |
2ac441f7 | 1697 | for (lang_index = 0; lang_index < num_lang_dirs; lang_index++) |
776c30b8 | 1698 | { |
01c8b828 | 1699 | const char *langdir = lang_dir_names[lang_index]; |
2ac441f7 | 1700 | size_t langdir_len = strlen (langdir); |
48e1416a | 1701 | |
2ac441f7 | 1702 | if (f_len > langdir_len |
1703 | && IS_DIR_SEPARATOR (f[langdir_len]) | |
1704 | && memcmp (f, langdir, langdir_len) == 0) | |
1705 | return lang_index; | |
776c30b8 | 1706 | } |
1a97be37 | 1707 | |
2ac441f7 | 1708 | return -1; |
1709 | } | |
1710 | ||
1711 | /* For F a filename, return the name of language directory where F is located, | |
1712 | if any, NULL otherwise. */ | |
1713 | ||
1714 | static const char * | |
1715 | get_file_langdir (const char *f) | |
1716 | { | |
1717 | /* Get the relative path to F from $(srcdir) and find the language by | |
1718 | comparing the prefix with language directory names. If F is not even | |
1719 | srcdir relative, no point in looking further. */ | |
1720 | ||
1721 | int lang_index; | |
01c8b828 | 1722 | const char *srcdir_relative_path = get_file_srcdir_relative_path (f); |
1723 | const char *r; | |
2ac441f7 | 1724 | |
1725 | if (!srcdir_relative_path) | |
1726 | return NULL; | |
1727 | ||
1728 | lang_index = get_prefix_langdir_index (srcdir_relative_path); | |
01c8b828 | 1729 | if (lang_index < 0 && strncmp (srcdir_relative_path, "c-family", 8) == 0) |
7bedc3a0 | 1730 | r = "c-family"; |
1731 | else if (lang_index >= 0) | |
01c8b828 | 1732 | r = lang_dir_names[lang_index]; |
7bedc3a0 | 1733 | else |
1734 | r = NULL; | |
2ac441f7 | 1735 | |
7bedc3a0 | 1736 | return r; |
2ac441f7 | 1737 | } |
1738 | ||
1739 | /* The gt- output file name for F. */ | |
1740 | ||
1741 | static const char * | |
1742 | get_file_gtfilename (const char *f) | |
1743 | { | |
1744 | /* Cook up an initial version of the gt- file name from the file real | |
1745 | basename and the language name, if any. */ | |
1746 | ||
1747 | const char *basename = get_file_realbasename (f); | |
1748 | const char *langdir = get_file_langdir (f); | |
48e1416a | 1749 | |
01c8b828 | 1750 | char *result = |
2ac441f7 | 1751 | (langdir ? xasprintf ("gt-%s-%s", langdir, basename) |
1752 | : xasprintf ("gt-%s", basename)); | |
1753 | ||
1754 | /* Then replace all non alphanumerics characters by '-' and change the | |
e3b362c8 | 1755 | extension to ".h". We expect the input filename extension was at least |
2ac441f7 | 1756 | one character long. */ |
1757 | ||
1758 | char *s = result; | |
1759 | ||
1760 | for (; *s != '.'; s++) | |
01c8b828 | 1761 | if (!ISALNUM (*s) && *s != '-') |
2ac441f7 | 1762 | *s = '-'; |
1763 | ||
1764 | memcpy (s, ".h", sizeof (".h")); | |
1765 | ||
1766 | return result; | |
1f3233d1 | 1767 | } |
1768 | ||
155e048d | 1769 | /* An output file, suitable for definitions, that can see declarations |
1770 | made in INPUT_FILE and is linked into every language that uses | |
1771 | INPUT_FILE. */ | |
1772 | ||
92570e7a | 1773 | outf_p |
1a97be37 | 1774 | get_output_file_with_visibility (const char *input_file) |
1f3233d1 | 1775 | { |
92570e7a | 1776 | outf_p r; |
1f3233d1 | 1777 | size_t len; |
1778 | const char *basename; | |
92570e7a | 1779 | const char *for_name; |
1780 | const char *output_name; | |
1f3233d1 | 1781 | |
92570e7a | 1782 | /* This can happen when we need a file with visibility on a |
1783 | structure that we've never seen. We have to just hope that it's | |
1784 | globally visible. */ | |
1785 | if (input_file == NULL) | |
1786 | input_file = "system.h"; | |
1f3233d1 | 1787 | |
9dc75945 | 1788 | /* In plugin mode, return NULL unless the input_file is one of the |
1789 | plugin_files. */ | |
ae8a3b92 | 1790 | if (plugin_files) |
1791 | { | |
c5b683ff | 1792 | size_t i; |
ae8a3b92 | 1793 | for (i = 0; i < nb_plugin_files; i++) |
1794 | if (strcmp (input_file, plugin_files[i]) == 0) | |
1795 | return plugin_output; | |
1796 | ||
1797 | return NULL; | |
9dc75945 | 1798 | } |
1799 | ||
1f3233d1 | 1800 | /* Determine the output file name. */ |
1801 | basename = get_file_basename (input_file); | |
1802 | ||
1803 | len = strlen (basename); | |
01c8b828 | 1804 | if ((len > 2 && memcmp (basename + len - 2, ".c", 2) == 0) |
1805 | || (len > 2 && memcmp (basename + len - 2, ".y", 2) == 0) | |
1806 | || (len > 3 && memcmp (basename + len - 3, ".in", 3) == 0)) | |
1f3233d1 | 1807 | { |
48e1416a | 1808 | output_name = get_file_gtfilename (input_file); |
92570e7a | 1809 | for_name = basename; |
1f3233d1 | 1810 | } |
9728bde3 | 1811 | /* Some headers get used by more than one front-end; hence, it |
1812 | would be inappropriate to spew them out to a single gtype-<lang>.h | |
1813 | (and gengtype doesn't know how to direct spewage into multiple | |
1814 | gtype-<lang>.h headers at this time). Instead, we pair up these | |
1815 | headers with source files (and their special purpose gt-*.h headers). */ | |
7bedc3a0 | 1816 | else if (strncmp (basename, "c-family", 8) == 0 |
1817 | && IS_DIR_SEPARATOR (basename[8]) | |
1818 | && strcmp (basename + 9, "c-common.h") == 0) | |
1819 | output_name = "gt-c-family-c-common.h", for_name = "c-family/c-common.c"; | |
874993a5 | 1820 | else if (strcmp (basename, "c-lang.h") == 0) |
1821 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; | |
1f3233d1 | 1822 | else if (strcmp (basename, "c-tree.h") == 0) |
92570e7a | 1823 | output_name = "gt-c-decl.h", for_name = "c-decl.c"; |
ddb5d39d | 1824 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) |
1825 | && strcmp (basename + 3, "cp-tree.h") == 0) | |
1826 | output_name = "gt-cp-tree.h", for_name = "cp/tree.c"; | |
1827 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1828 | && strcmp (basename + 3, "decl.h") == 0) | |
1829 | output_name = "gt-cp-decl.h", for_name = "cp/decl.c"; | |
1830 | else if (strncmp (basename, "cp", 2) == 0 && IS_DIR_SEPARATOR (basename[2]) | |
1831 | && strcmp (basename + 3, "name-lookup.h") == 0) | |
1832 | output_name = "gt-cp-name-lookup.h", for_name = "cp/name-lookup.c"; | |
01c8b828 | 1833 | else if (strncmp (basename, "objc", 4) == 0 |
1834 | && IS_DIR_SEPARATOR (basename[4]) | |
9728bde3 | 1835 | && strcmp (basename + 5, "objc-act.h") == 0) |
1836 | output_name = "gt-objc-objc-act.h", for_name = "objc/objc-act.c"; | |
48e1416a | 1837 | else |
1f3233d1 | 1838 | { |
2ac441f7 | 1839 | int lang_index = get_prefix_langdir_index (basename); |
1a97be37 | 1840 | |
2ac441f7 | 1841 | if (lang_index >= 0) |
1842 | return base_files[lang_index]; | |
92570e7a | 1843 | |
1844 | output_name = "gtype-desc.c"; | |
1845 | for_name = NULL; | |
1f3233d1 | 1846 | } |
1847 | ||
1848 | /* Look through to see if we've ever seen this output filename before. */ | |
92570e7a | 1849 | for (r = output_files; r; r = r->next) |
1850 | if (strcmp (r->name, output_name) == 0) | |
1851 | return r; | |
1f3233d1 | 1852 | |
1853 | /* If not, create it. */ | |
92570e7a | 1854 | r = create_file (for_name, output_name); |
1f3233d1 | 1855 | |
9dc75945 | 1856 | gcc_assert (r && r->name); |
92570e7a | 1857 | return r; |
1f3233d1 | 1858 | } |
1859 | ||
155e048d | 1860 | /* The name of an output file, suitable for definitions, that can see |
1861 | declarations made in INPUT_FILE and is linked into every language | |
1862 | that uses INPUT_FILE. */ | |
1863 | ||
1f3233d1 | 1864 | const char * |
1a97be37 | 1865 | get_output_file_name (const char *input_file) |
1f3233d1 | 1866 | { |
01c8b828 | 1867 | outf_p o = get_output_file_with_visibility (input_file); |
9dc75945 | 1868 | if (o) |
1869 | return o->name; | |
1870 | return NULL; | |
1f3233d1 | 1871 | } |
1872 | ||
8797d684 | 1873 | /* Check if existing file is equal to the in memory buffer. */ |
1874 | ||
1875 | static bool | |
1876 | is_file_equal (outf_p of) | |
1877 | { | |
1878 | FILE *newfile = fopen (of->name, "r"); | |
1879 | size_t i; | |
1880 | bool equal; | |
1881 | if (newfile == NULL) | |
1882 | return false; | |
1883 | ||
1884 | equal = true; | |
1885 | for (i = 0; i < of->bufused; i++) | |
1886 | { | |
1887 | int ch; | |
1888 | ch = fgetc (newfile); | |
1889 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
1890 | { | |
1891 | equal = false; | |
1892 | break; | |
1893 | } | |
1894 | } | |
1895 | fclose (newfile); | |
1896 | return equal; | |
1897 | } | |
1898 | ||
92570e7a | 1899 | /* Copy the output to its final destination, |
155e048d | 1900 | but don't unnecessarily change modification times. */ |
1901 | ||
1f3233d1 | 1902 | static void |
1a97be37 | 1903 | close_output_files (void) |
1f3233d1 | 1904 | { |
e62e715c | 1905 | int nbwrittenfiles = 0; |
92570e7a | 1906 | outf_p of; |
1a97be37 | 1907 | |
92570e7a | 1908 | for (of = output_files; of; of = of->next) |
1f3233d1 | 1909 | { |
1f3233d1 | 1910 | |
01c8b828 | 1911 | if (!is_file_equal (of)) |
1912 | { | |
e62e715c | 1913 | FILE *newfile = NULL; |
1914 | char *backupname = NULL; | |
1915 | /* Back up the old version of the output file gt-FOO.c as | |
1916 | BACKUPDIR/gt-FOO.c~ if we have a backup directory. */ | |
1917 | if (backup_dir) | |
1918 | { | |
1919 | backupname = concat (backup_dir, "/", | |
1920 | lbasename (of->name), "~", NULL); | |
1921 | if (!access (of->name, F_OK) && rename (of->name, backupname)) | |
1922 | fatal ("failed to back up %s as %s: %s", | |
1923 | of->name, backupname, xstrerror (errno)); | |
1924 | } | |
1925 | ||
1926 | newfile = fopen (of->name, "w"); | |
01c8b828 | 1927 | if (newfile == NULL) |
1928 | fatal ("opening output file %s: %s", of->name, xstrerror (errno)); | |
1929 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) | |
1930 | fatal ("writing output file %s: %s", of->name, xstrerror (errno)); | |
1931 | if (fclose (newfile) != 0) | |
1932 | fatal ("closing output file %s: %s", of->name, xstrerror (errno)); | |
e62e715c | 1933 | nbwrittenfiles++; |
1934 | if (verbosity_level >= 2 && backupname) | |
1935 | printf ("%s wrote #%-3d %s backed-up in %s\n", | |
1936 | progname, nbwrittenfiles, of->name, backupname); | |
1937 | else if (verbosity_level >= 1) | |
1938 | printf ("%s write #%-3d %s\n", progname, nbwrittenfiles, of->name); | |
1939 | free (backupname); | |
1940 | } | |
1941 | else | |
1942 | { | |
1943 | /* output file remains unchanged. */ | |
1944 | if (verbosity_level >= 2) | |
1945 | printf ("%s keep %s\n", progname, of->name); | |
01c8b828 | 1946 | } |
1947 | free (of->buf); | |
8797d684 | 1948 | of->buf = NULL; |
1949 | of->bufused = of->buflength = 0; | |
1f3233d1 | 1950 | } |
e62e715c | 1951 | if (verbosity_level >= 1) |
1952 | printf ("%s wrote %d files.\n", progname, nbwrittenfiles); | |
1f3233d1 | 1953 | } |
1954 | \f | |
01c8b828 | 1955 | struct flist |
1956 | { | |
1f3233d1 | 1957 | struct flist *next; |
1958 | int started_p; | |
1959 | const char *name; | |
92570e7a | 1960 | outf_p f; |
1f3233d1 | 1961 | }; |
1962 | ||
573aba85 | 1963 | struct walk_type_data; |
1964 | ||
1965 | /* For scalars and strings, given the item in 'val'. | |
1966 | For structures, given a pointer to the item in 'val'. | |
1967 | For misc. pointers, given the item in 'val'. | |
1968 | */ | |
01c8b828 | 1969 | typedef void (*process_field_fn) (type_p f, const struct walk_type_data * p); |
1970 | typedef void (*func_name_fn) (type_p s, const struct walk_type_data * p); | |
573aba85 | 1971 | |
1972 | /* Parameters for write_types. */ | |
1973 | ||
1a97be37 | 1974 | struct write_types_data |
573aba85 | 1975 | { |
1976 | const char *prefix; | |
1977 | const char *param_prefix; | |
1978 | const char *subfield_marker_routine; | |
1979 | const char *marker_routine; | |
1980 | const char *reorder_note_routine; | |
1981 | const char *comment; | |
b0a1d041 | 1982 | int skip_hooks; /* skip hook generation if non zero */ |
573aba85 | 1983 | }; |
1984 | ||
1a97be37 | 1985 | static void output_escaped_param (struct walk_type_data *d, |
1986 | const char *, const char *); | |
dea3189b | 1987 | static void output_mangled_typename (outf_p, const_type_p); |
1a97be37 | 1988 | static void walk_type (type_p t, struct walk_type_data *d); |
01c8b828 | 1989 | static void write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
ba72912a | 1990 | const struct write_types_data *wtd); |
1a97be37 | 1991 | static void write_types_process_field |
01c8b828 | 1992 | (type_p f, const struct walk_type_data *d); |
8603e6a7 | 1993 | static void write_types (outf_p output_header, |
01c8b828 | 1994 | type_p structures, |
1a97be37 | 1995 | type_p param_structs, |
1996 | const struct write_types_data *wtd); | |
573aba85 | 1997 | static void write_types_local_process_field |
01c8b828 | 1998 | (type_p f, const struct walk_type_data *d); |
573aba85 | 1999 | static void write_local_func_for_structure |
01c8b828 | 2000 | (const_type_p orig_s, type_p s, type_p *param); |
8603e6a7 | 2001 | static void write_local (outf_p output_header, |
01c8b828 | 2002 | type_p structures, type_p param_structs); |
1a97be37 | 2003 | static void write_enum_defn (type_p structures, type_p param_structs); |
2004 | static int contains_scalar_p (type_p t); | |
01c8b828 | 2005 | static void put_mangled_filename (outf_p, const char *); |
1a97be37 | 2006 | static void finish_root_table (struct flist *flp, const char *pfx, |
2007 | const char *tname, const char *lastname, | |
2008 | const char *name); | |
01c8b828 | 2009 | static void write_root (outf_p, pair_p, type_p, const char *, int, |
67b6ca97 | 2010 | struct fileloc *, const char *, bool); |
1a97be37 | 2011 | static void write_array (outf_p f, pair_p v, |
2012 | const struct write_types_data *wtd); | |
67b6ca97 | 2013 | static void write_roots (pair_p, bool); |
1f3233d1 | 2014 | |
573aba85 | 2015 | /* Parameters for walk_type. */ |
1f3233d1 | 2016 | |
573aba85 | 2017 | struct walk_type_data |
1f3233d1 | 2018 | { |
573aba85 | 2019 | process_field_fn process_field; |
2020 | const void *cookie; | |
2021 | outf_p of; | |
2022 | options_p opt; | |
2023 | const char *val; | |
2024 | const char *prev_val[4]; | |
2025 | int indent; | |
2026 | int counter; | |
e3b362c8 | 2027 | const struct fileloc *line; |
573aba85 | 2028 | lang_bitmap bitmap; |
2029 | type_p *param; | |
2030 | int used_length; | |
2031 | type_p orig_s; | |
2032 | const char *reorder_fn; | |
c39ed964 | 2033 | bool needs_cast_p; |
2034 | bool fn_wants_lvalue; | |
573aba85 | 2035 | }; |
c849df63 | 2036 | |
2037 | /* Print a mangled name representing T to OF. */ | |
2038 | ||
2039 | static void | |
dea3189b | 2040 | output_mangled_typename (outf_p of, const_type_p t) |
c849df63 | 2041 | { |
2042 | if (t == NULL) | |
2043 | oprintf (of, "Z"); | |
01c8b828 | 2044 | else |
2045 | switch (t->kind) | |
c849df63 | 2046 | { |
01c8b828 | 2047 | case TYPE_POINTER: |
2048 | oprintf (of, "P"); | |
2049 | output_mangled_typename (of, t->u.p); | |
2050 | break; | |
2051 | case TYPE_SCALAR: | |
2052 | oprintf (of, "I"); | |
2053 | break; | |
2054 | case TYPE_STRING: | |
2055 | oprintf (of, "S"); | |
2056 | break; | |
2057 | case TYPE_STRUCT: | |
2058 | case TYPE_UNION: | |
2059 | case TYPE_LANG_STRUCT: | |
2060 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), | |
2061 | t->u.s.tag); | |
2062 | break; | |
2063 | case TYPE_PARAM_STRUCT: | |
2064 | { | |
2065 | int i; | |
2066 | for (i = 0; i < NUM_PARAM; i++) | |
2067 | if (t->u.param_struct.param[i] != NULL) | |
2068 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
2069 | output_mangled_typename (of, t->u.param_struct.stru); | |
2070 | } | |
2071 | break; | |
2072 | case TYPE_ARRAY: | |
2073 | gcc_unreachable (); | |
c849df63 | 2074 | } |
1f3233d1 | 2075 | } |
2076 | ||
573aba85 | 2077 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
2078 | current object, D->PREV_VAL the object containing the current | |
2079 | object, ONAME is the name of the option and D->LINE is used to | |
2080 | print error messages. */ | |
155e048d | 2081 | |
1f3233d1 | 2082 | static void |
1a97be37 | 2083 | output_escaped_param (struct walk_type_data *d, const char *param, |
2084 | const char *oname) | |
1f3233d1 | 2085 | { |
573aba85 | 2086 | const char *p; |
1a97be37 | 2087 | |
573aba85 | 2088 | for (p = param; *p; p++) |
2089 | if (*p != '%') | |
2090 | oprintf (d->of, "%c", *p); | |
01c8b828 | 2091 | else |
2092 | switch (*++p) | |
1f3233d1 | 2093 | { |
01c8b828 | 2094 | case 'h': |
2095 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
2096 | break; | |
2097 | case '0': | |
2098 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
2099 | break; | |
2100 | case '1': | |
2101 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
2102 | break; | |
2103 | case 'a': | |
2104 | { | |
2105 | const char *pp = d->val + strlen (d->val); | |
2106 | while (pp[-1] == ']') | |
2107 | while (*pp != '[') | |
2108 | pp--; | |
2109 | oprintf (d->of, "%s", pp); | |
2110 | } | |
2111 | break; | |
2112 | default: | |
2113 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
2114 | oname, '%', *p); | |
1f3233d1 | 2115 | } |
573aba85 | 2116 | } |
1f3233d1 | 2117 | |
573aba85 | 2118 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
2119 | which is of type T. Write code to D->OF to constrain execution (at | |
2120 | the point that D->PROCESS_FIELD is called) to the appropriate | |
b14c9131 | 2121 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
2122 | pointers to those objects. D->PREV_VAL lists the objects | |
2123 | containing the current object, D->OPT is a list of options to | |
2124 | apply, D->INDENT is the current indentation level, D->LINE is used | |
2125 | to print error messages, D->BITMAP indicates which languages to | |
2126 | print the structure for, and D->PARAM is the current parameter | |
2127 | (from an enclosing param_is option). */ | |
1f3233d1 | 2128 | |
573aba85 | 2129 | static void |
1a97be37 | 2130 | walk_type (type_p t, struct walk_type_data *d) |
573aba85 | 2131 | { |
2132 | const char *length = NULL; | |
2133 | const char *desc = NULL; | |
2134 | int maybe_undef_p = 0; | |
2135 | int use_param_num = -1; | |
2136 | int use_params_p = 0; | |
573aba85 | 2137 | options_p oo; |
8ed01400 | 2138 | const struct nested_ptr_data *nested_ptr_d = NULL; |
1a97be37 | 2139 | |
c39ed964 | 2140 | d->needs_cast_p = false; |
573aba85 | 2141 | for (oo = d->opt; oo; oo = oo->next) |
2142 | if (strcmp (oo->name, "length") == 0) | |
a070a3bd | 2143 | length = oo->info; |
573aba85 | 2144 | else if (strcmp (oo->name, "maybe_undef") == 0) |
2145 | maybe_undef_p = 1; | |
2146 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
2147 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2148 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
2149 | else if (strcmp (oo->name, "use_params") == 0) | |
2150 | use_params_p = 1; | |
2151 | else if (strcmp (oo->name, "desc") == 0) | |
a070a3bd | 2152 | desc = oo->info; |
b0a1d041 | 2153 | else if (strcmp (oo->name, "mark_hook") == 0) |
2154 | ; | |
8ed01400 | 2155 | else if (strcmp (oo->name, "nested_ptr") == 0) |
c39ed964 | 2156 | nested_ptr_d = (const struct nested_ptr_data *) oo->info; |
573aba85 | 2157 | else if (strcmp (oo->name, "dot") == 0) |
2158 | ; | |
2159 | else if (strcmp (oo->name, "tag") == 0) | |
2160 | ; | |
2161 | else if (strcmp (oo->name, "special") == 0) | |
2162 | ; | |
2163 | else if (strcmp (oo->name, "skip") == 0) | |
2164 | ; | |
2165 | else if (strcmp (oo->name, "default") == 0) | |
2166 | ; | |
573aba85 | 2167 | else if (strcmp (oo->name, "param_is") == 0) |
2168 | ; | |
8578ce7b | 2169 | else if (strncmp (oo->name, "param", 5) == 0 |
01c8b828 | 2170 | && ISDIGIT (oo->name[5]) && strcmp (oo->name + 6, "_is") == 0) |
8578ce7b | 2171 | ; |
573aba85 | 2172 | else if (strcmp (oo->name, "chain_next") == 0) |
2173 | ; | |
2174 | else if (strcmp (oo->name, "chain_prev") == 0) | |
2175 | ; | |
ae093573 | 2176 | else if (strcmp (oo->name, "chain_circular") == 0) |
2177 | ; | |
573aba85 | 2178 | else if (strcmp (oo->name, "reorder") == 0) |
2179 | ; | |
ba72912a | 2180 | else if (strcmp (oo->name, "variable_size") == 0) |
2181 | ; | |
573aba85 | 2182 | else |
2183 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
c849df63 | 2184 | |
573aba85 | 2185 | if (d->used_length) |
2186 | length = NULL; | |
c849df63 | 2187 | |
573aba85 | 2188 | if (use_params_p) |
2189 | { | |
2190 | int pointer_p = t->kind == TYPE_POINTER; | |
1a97be37 | 2191 | |
573aba85 | 2192 | if (pointer_p) |
2193 | t = t->u.p; | |
01c8b828 | 2194 | if (!UNION_OR_STRUCT_P (t)) |
573aba85 | 2195 | error_at_line (d->line, "`use_params' option on unimplemented type"); |
1a97be37 | 2196 | else |
573aba85 | 2197 | t = find_param_structure (t, d->param); |
2198 | if (pointer_p) | |
2199 | t = create_pointer (t); | |
2200 | } | |
1a97be37 | 2201 | |
573aba85 | 2202 | if (use_param_num != -1) |
2203 | { | |
2204 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
1f3233d1 | 2205 | { |
573aba85 | 2206 | type_p nt = d->param[use_param_num]; |
1a97be37 | 2207 | |
573aba85 | 2208 | if (t->kind == TYPE_ARRAY) |
2209 | nt = create_array (nt, t->u.a.len); | |
2210 | else if (length != NULL && t->kind == TYPE_POINTER) | |
2211 | nt = create_pointer (nt); | |
b41d328d | 2212 | d->needs_cast_p = (t->kind != TYPE_POINTER |
2213 | && (nt->kind == TYPE_POINTER | |
2214 | || nt->kind == TYPE_STRING)); | |
573aba85 | 2215 | t = nt; |
1f3233d1 | 2216 | } |
573aba85 | 2217 | else |
01c8b828 | 2218 | error_at_line (d->line, "no parameter defined for `%s'", d->val); |
573aba85 | 2219 | } |
1a97be37 | 2220 | |
2221 | if (maybe_undef_p | |
01c8b828 | 2222 | && (t->kind != TYPE_POINTER || !UNION_OR_STRUCT_P (t->u.p))) |
573aba85 | 2223 | { |
1a97be37 | 2224 | error_at_line (d->line, |
573aba85 | 2225 | "field `%s' has invalid option `maybe_undef_p'\n", |
2226 | d->val); | |
2227 | return; | |
2228 | } | |
1a97be37 | 2229 | |
573aba85 | 2230 | switch (t->kind) |
2231 | { | |
2232 | case TYPE_SCALAR: | |
2233 | case TYPE_STRING: | |
2234 | d->process_field (t, d); | |
2235 | break; | |
1a97be37 | 2236 | |
573aba85 | 2237 | case TYPE_POINTER: |
2238 | { | |
01c8b828 | 2239 | if (maybe_undef_p && t->u.p->u.s.line.file == NULL) |
573aba85 | 2240 | { |
e0a4c0c2 | 2241 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
573aba85 | 2242 | break; |
2243 | } | |
1f3233d1 | 2244 | |
01c8b828 | 2245 | if (!length) |
1f3233d1 | 2246 | { |
01c8b828 | 2247 | if (!UNION_OR_STRUCT_P (t->u.p) |
573aba85 | 2248 | && t->u.p->kind != TYPE_PARAM_STRUCT) |
1f3233d1 | 2249 | { |
1a97be37 | 2250 | error_at_line (d->line, |
573aba85 | 2251 | "field `%s' is pointer to unimplemented type", |
2252 | d->val); | |
1f3233d1 | 2253 | break; |
2254 | } | |
1a97be37 | 2255 | |
8ed01400 | 2256 | if (nested_ptr_d) |
2257 | { | |
2258 | const char *oldprevval2 = d->prev_val[2]; | |
2259 | ||
01c8b828 | 2260 | if (!UNION_OR_STRUCT_P (nested_ptr_d->type)) |
8ed01400 | 2261 | { |
2262 | error_at_line (d->line, | |
2263 | "field `%s' has invalid " | |
01c8b828 | 2264 | "option `nested_ptr'\n", d->val); |
8ed01400 | 2265 | return; |
2266 | } | |
2267 | ||
2268 | d->prev_val[2] = d->val; | |
2269 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2270 | d->indent += 2; | |
2271 | d->val = xasprintf ("x%d", d->counter++); | |
c39ed964 | 2272 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
48e1416a | 2273 | (nested_ptr_d->type->kind == TYPE_UNION |
2274 | ? "union" : "struct"), | |
2275 | nested_ptr_d->type->u.s.tag, | |
01c8b828 | 2276 | d->fn_wants_lvalue ? "" : "const ", d->val); |
8ed01400 | 2277 | oprintf (d->of, "%*s", d->indent + 2, ""); |
2278 | output_escaped_param (d, nested_ptr_d->convert_from, | |
2279 | "nested_ptr"); | |
2280 | oprintf (d->of, ";\n"); | |
2281 | ||
2282 | d->process_field (nested_ptr_d->type, d); | |
2283 | ||
c39ed964 | 2284 | if (d->fn_wants_lvalue) |
2285 | { | |
2286 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
2287 | d->prev_val[2]); | |
2288 | d->prev_val[2] = d->val; | |
2289 | output_escaped_param (d, nested_ptr_d->convert_to, | |
2290 | "nested_ptr"); | |
2291 | oprintf (d->of, ";\n"); | |
2292 | } | |
8ed01400 | 2293 | |
2294 | d->indent -= 2; | |
2295 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2296 | d->val = d->prev_val[2]; | |
2297 | d->prev_val[2] = oldprevval2; | |
2298 | } | |
2299 | else | |
2300 | d->process_field (t->u.p, d); | |
1f3233d1 | 2301 | } |
1a97be37 | 2302 | else |
1f3233d1 | 2303 | { |
573aba85 | 2304 | int loopcounter = d->counter++; |
2305 | const char *oldval = d->val; | |
2306 | const char *oldprevval3 = d->prev_val[3]; | |
1f3233d1 | 2307 | char *newval; |
2308 | ||
573aba85 | 2309 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
2310 | d->indent += 2; | |
2311 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
01c8b828 | 2312 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, |
2313 | "", loopcounter, loopcounter); | |
573aba85 | 2314 | output_escaped_param (d, length, "length"); |
2315 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
2316 | d->indent += 2; | |
2317 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2318 | d->used_length = 1; | |
2319 | d->prev_val[3] = oldval; | |
2320 | walk_type (t->u.p, d); | |
1f3233d1 | 2321 | free (newval); |
573aba85 | 2322 | d->val = oldval; |
2323 | d->prev_val[3] = oldprevval3; | |
2324 | d->used_length = 0; | |
2325 | d->indent -= 2; | |
2326 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
01c8b828 | 2327 | d->process_field (t, d); |
573aba85 | 2328 | d->indent -= 2; |
2329 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1f3233d1 | 2330 | } |
573aba85 | 2331 | } |
2332 | break; | |
1f3233d1 | 2333 | |
573aba85 | 2334 | case TYPE_ARRAY: |
2335 | { | |
2336 | int loopcounter = d->counter++; | |
2337 | const char *oldval = d->val; | |
2338 | char *newval; | |
2339 | ||
7ef5b942 | 2340 | /* If it's an array of scalars, we optimize by not generating |
573aba85 | 2341 | any code. */ |
2342 | if (t->u.a.p->kind == TYPE_SCALAR) | |
1f3233d1 | 2343 | break; |
1a97be37 | 2344 | |
c2f47e15 | 2345 | /* When walking an array, compute the length and store it in a |
2346 | local variable before walking the array elements, instead of | |
2347 | recomputing the length expression each time through the loop. | |
2348 | This is necessary to handle tcc_vl_exp objects like CALL_EXPR, | |
2349 | where the length is stored in the first array element, | |
2350 | because otherwise that operand can get overwritten on the | |
2351 | first iteration. */ | |
573aba85 | 2352 | oprintf (d->of, "%*s{\n", d->indent, ""); |
2353 | d->indent += 2; | |
2354 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
c2f47e15 | 2355 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", |
2356 | d->indent, "", loopcounter); | |
573aba85 | 2357 | if (length) |
2358 | output_escaped_param (d, length, "length"); | |
2359 | else | |
2360 | oprintf (d->of, "%s", t->u.a.len); | |
c2f47e15 | 2361 | oprintf (d->of, ");\n"); |
48e1416a | 2362 | |
c2f47e15 | 2363 | oprintf (d->of, "%*sfor (i%d = 0; i%d != l%d; i%d++) {\n", |
2364 | d->indent, "", | |
2365 | loopcounter, loopcounter, loopcounter, loopcounter); | |
573aba85 | 2366 | d->indent += 2; |
2367 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2368 | d->used_length = 1; | |
2369 | walk_type (t->u.a.p, d); | |
2370 | free (newval); | |
2371 | d->used_length = 0; | |
2372 | d->val = oldval; | |
2373 | d->indent -= 2; | |
2374 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2375 | d->indent -= 2; | |
2376 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2377 | } | |
2378 | break; | |
1a97be37 | 2379 | |
573aba85 | 2380 | case TYPE_STRUCT: |
2381 | case TYPE_UNION: | |
2382 | { | |
2383 | pair_p f; | |
2384 | const char *oldval = d->val; | |
2385 | const char *oldprevval1 = d->prev_val[1]; | |
2386 | const char *oldprevval2 = d->prev_val[2]; | |
2387 | const int union_p = t->kind == TYPE_UNION; | |
2388 | int seen_default_p = 0; | |
2389 | options_p o; | |
2390 | ||
01c8b828 | 2391 | if (!t->u.s.line.file) |
573aba85 | 2392 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); |
1f3233d1 | 2393 | |
573aba85 | 2394 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
1f3233d1 | 2395 | { |
573aba85 | 2396 | error_at_line (d->line, |
2397 | "structure `%s' defined for mismatching languages", | |
2398 | t->u.s.tag); | |
2399 | error_at_line (&t->u.s.line, "one structure defined here"); | |
2400 | } | |
1f3233d1 | 2401 | |
573aba85 | 2402 | /* Some things may also be defined in the structure's options. */ |
2403 | for (o = t->u.s.opt; o; o = o->next) | |
01c8b828 | 2404 | if (!desc && strcmp (o->name, "desc") == 0) |
a070a3bd | 2405 | desc = o->info; |
1f3233d1 | 2406 | |
573aba85 | 2407 | d->prev_val[2] = oldval; |
2408 | d->prev_val[1] = oldprevval2; | |
2409 | if (union_p) | |
2410 | { | |
2411 | if (desc == NULL) | |
1f3233d1 | 2412 | { |
01c8b828 | 2413 | error_at_line (d->line, |
2414 | "missing `desc' option for union `%s'", | |
573aba85 | 2415 | t->u.s.tag); |
2416 | desc = "1"; | |
1f3233d1 | 2417 | } |
573aba85 | 2418 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
2419 | output_escaped_param (d, desc, "desc"); | |
2420 | oprintf (d->of, ")\n"); | |
2421 | d->indent += 2; | |
2422 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2423 | } | |
2424 | for (f = t->u.s.fields; f; f = f->next) | |
2425 | { | |
2426 | options_p oo; | |
2427 | const char *dot = "."; | |
2428 | const char *tagid = NULL; | |
2429 | int skip_p = 0; | |
2430 | int default_p = 0; | |
2431 | int use_param_p = 0; | |
2432 | char *newval; | |
2433 | ||
2434 | d->reorder_fn = NULL; | |
2435 | for (oo = f->opt; oo; oo = oo->next) | |
2436 | if (strcmp (oo->name, "dot") == 0) | |
a070a3bd | 2437 | dot = oo->info; |
573aba85 | 2438 | else if (strcmp (oo->name, "tag") == 0) |
a070a3bd | 2439 | tagid = oo->info; |
573aba85 | 2440 | else if (strcmp (oo->name, "skip") == 0) |
2441 | skip_p = 1; | |
2442 | else if (strcmp (oo->name, "default") == 0) | |
2443 | default_p = 1; | |
2444 | else if (strcmp (oo->name, "reorder") == 0) | |
a070a3bd | 2445 | d->reorder_fn = oo->info; |
573aba85 | 2446 | else if (strncmp (oo->name, "use_param", 9) == 0 |
2447 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2448 | use_param_p = 1; | |
2449 | ||
2450 | if (skip_p) | |
2451 | continue; | |
2452 | ||
2453 | if (union_p && tagid) | |
1f3233d1 | 2454 | { |
573aba85 | 2455 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
2456 | d->indent += 2; | |
1f3233d1 | 2457 | } |
573aba85 | 2458 | else if (union_p && default_p) |
1f3233d1 | 2459 | { |
573aba85 | 2460 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
2461 | d->indent += 2; | |
2462 | seen_default_p = 1; | |
1f3233d1 | 2463 | } |
01c8b828 | 2464 | else if (!union_p && (default_p || tagid)) |
1a97be37 | 2465 | error_at_line (d->line, |
573aba85 | 2466 | "can't use `%s' outside a union on field `%s'", |
2467 | default_p ? "default" : "tag", f->name); | |
01c8b828 | 2468 | else if (union_p && !(default_p || tagid) |
573aba85 | 2469 | && f->type->kind == TYPE_SCALAR) |
1f3233d1 | 2470 | { |
573aba85 | 2471 | fprintf (stderr, |
01c8b828 | 2472 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", |
573aba85 | 2473 | d->line->file, d->line->line, f->name); |
2474 | continue; | |
1f3233d1 | 2475 | } |
01c8b828 | 2476 | else if (union_p && !(default_p || tagid)) |
1a97be37 | 2477 | error_at_line (d->line, |
573aba85 | 2478 | "field `%s' is missing `tag' or `default' option", |
1f3233d1 | 2479 | f->name); |
1a97be37 | 2480 | |
573aba85 | 2481 | d->line = &f->line; |
2482 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
2483 | d->opt = f->opt; | |
c39ed964 | 2484 | d->used_length = false; |
573aba85 | 2485 | |
2486 | if (union_p && use_param_p && d->param == NULL) | |
e0a4c0c2 | 2487 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
573aba85 | 2488 | else |
2489 | walk_type (f->type, d); | |
2490 | ||
2491 | free (newval); | |
2492 | ||
2493 | if (union_p) | |
1f3233d1 | 2494 | { |
573aba85 | 2495 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
2496 | d->indent -= 2; | |
1f3233d1 | 2497 | } |
573aba85 | 2498 | } |
2499 | d->reorder_fn = NULL; | |
1f3233d1 | 2500 | |
573aba85 | 2501 | d->val = oldval; |
2502 | d->prev_val[1] = oldprevval1; | |
2503 | d->prev_val[2] = oldprevval2; | |
2504 | ||
01c8b828 | 2505 | if (union_p && !seen_default_p) |
573aba85 | 2506 | { |
2507 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
2508 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
2509 | } | |
2510 | if (union_p) | |
2511 | { | |
2512 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2513 | d->indent -= 2; | |
1f3233d1 | 2514 | } |
573aba85 | 2515 | } |
2516 | break; | |
1f3233d1 | 2517 | |
573aba85 | 2518 | case TYPE_LANG_STRUCT: |
2519 | { | |
2520 | type_p nt; | |
2521 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
2522 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
2523 | break; | |
2524 | if (nt == NULL) | |
2525 | error_at_line (d->line, "structure `%s' differs between languages", | |
2526 | t->u.s.tag); | |
2527 | else | |
2528 | walk_type (nt, d); | |
2529 | } | |
2530 | break; | |
2531 | ||
2532 | case TYPE_PARAM_STRUCT: | |
2533 | { | |
2534 | type_p *oldparam = d->param; | |
1a97be37 | 2535 | |
573aba85 | 2536 | d->param = t->u.param_struct.param; |
2537 | walk_type (t->u.param_struct.stru, d); | |
2538 | d->param = oldparam; | |
2539 | } | |
2540 | break; | |
1a97be37 | 2541 | |
573aba85 | 2542 | default: |
e0a4c0c2 | 2543 | gcc_unreachable (); |
1f3233d1 | 2544 | } |
573aba85 | 2545 | } |
2546 | ||
2547 | /* process_field routine for marking routines. */ | |
2548 | ||
2549 | static void | |
1a97be37 | 2550 | write_types_process_field (type_p f, const struct walk_type_data *d) |
573aba85 | 2551 | { |
2552 | const struct write_types_data *wtd; | |
b41d328d | 2553 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
573aba85 | 2554 | wtd = (const struct write_types_data *) d->cookie; |
1a97be37 | 2555 | |
573aba85 | 2556 | switch (f->kind) |
1f3233d1 | 2557 | { |
573aba85 | 2558 | case TYPE_POINTER: |
1a97be37 | 2559 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
b41d328d | 2560 | wtd->subfield_marker_routine, cast, d->val); |
573aba85 | 2561 | if (wtd->param_prefix) |
c849df63 | 2562 | { |
573aba85 | 2563 | oprintf (d->of, ", %s", d->prev_val[3]); |
2564 | if (d->orig_s) | |
2565 | { | |
2566 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
2567 | output_mangled_typename (d->of, d->orig_s); | |
2568 | } | |
2569 | else | |
2570 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
1bb42c87 | 2571 | |
2572 | if (f->u.p->kind == TYPE_PARAM_STRUCT | |
2573 | && f->u.p->u.s.line.file != NULL) | |
2574 | { | |
2575 | oprintf (d->of, ", gt_e_"); | |
2576 | output_mangled_typename (d->of, f); | |
2577 | } | |
01c8b828 | 2578 | else if (UNION_OR_STRUCT_P (f) && f->u.p->u.s.line.file != NULL) |
1bb42c87 | 2579 | { |
2580 | oprintf (d->of, ", gt_ggc_e_"); | |
2581 | output_mangled_typename (d->of, f); | |
2582 | } | |
2583 | else | |
2584 | oprintf (d->of, ", gt_types_enum_last"); | |
c849df63 | 2585 | } |
573aba85 | 2586 | oprintf (d->of, ");\n"); |
2587 | if (d->reorder_fn && wtd->reorder_note_routine) | |
1a97be37 | 2588 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
b41d328d | 2589 | wtd->reorder_note_routine, cast, d->val, |
573aba85 | 2590 | d->prev_val[3], d->reorder_fn); |
2591 | break; | |
2592 | ||
2593 | case TYPE_STRING: | |
573aba85 | 2594 | case TYPE_STRUCT: |
2595 | case TYPE_UNION: | |
2596 | case TYPE_LANG_STRUCT: | |
2597 | case TYPE_PARAM_STRUCT: | |
2598 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
2599 | output_mangled_typename (d->of, f); | |
b41d328d | 2600 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
573aba85 | 2601 | if (d->reorder_fn && wtd->reorder_note_routine) |
1a97be37 | 2602 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
b41d328d | 2603 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
573aba85 | 2604 | d->reorder_fn); |
2605 | break; | |
2606 | ||
2607 | case TYPE_SCALAR: | |
2608 | break; | |
1a97be37 | 2609 | |
573aba85 | 2610 | default: |
e0a4c0c2 | 2611 | gcc_unreachable (); |
1f3233d1 | 2612 | } |
2613 | } | |
2614 | ||
523507f1 | 2615 | /* A subroutine of write_func_for_structure. Write the enum tag for S. */ |
2616 | ||
2617 | static void | |
2618 | output_type_enum (outf_p of, type_p s) | |
2619 | { | |
5032f7ed | 2620 | if (s->kind == TYPE_PARAM_STRUCT && s->u.param_struct.line.file != NULL) |
523507f1 | 2621 | { |
2622 | oprintf (of, ", gt_e_"); | |
2623 | output_mangled_typename (of, s); | |
2624 | } | |
2625 | else if (UNION_OR_STRUCT_P (s) && s->u.s.line.file != NULL) | |
2626 | { | |
2627 | oprintf (of, ", gt_ggc_e_"); | |
2628 | output_mangled_typename (of, s); | |
2629 | } | |
2630 | else | |
2631 | oprintf (of, ", gt_types_enum_last"); | |
2632 | } | |
2633 | ||
e3b362c8 | 2634 | /* Return an output file that is suitable for definitions which can |
2635 | reference struct S */ | |
2636 | ||
2637 | static outf_p | |
2638 | get_output_file_for_structure (const_type_p s, type_p *param) | |
2639 | { | |
246fd2c7 | 2640 | const char *fn; |
e3b362c8 | 2641 | int i; |
2642 | ||
246fd2c7 | 2643 | gcc_assert (UNION_OR_STRUCT_P (s)); |
2644 | fn = s->u.s.line.file; | |
2645 | ||
e3b362c8 | 2646 | /* This is a hack, and not the good kind either. */ |
2647 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
2648 | if (param && param[i] && param[i]->kind == TYPE_POINTER | |
2649 | && UNION_OR_STRUCT_P (param[i]->u.p)) | |
2650 | fn = param[i]->u.p->u.s.line.file; | |
2651 | ||
2652 | return get_output_file_with_visibility (fn); | |
2653 | } | |
2654 | ||
573aba85 | 2655 | /* For S, a structure that's part of ORIG_S, and using parameters |
2656 | PARAM, write out a routine that: | |
2657 | - Takes a parameter, a void * but actually of type *S | |
2658 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
01c8b828 | 2659 | field of S or its substructures and (in some cases) things |
2660 | that are pointed to by S. | |
573aba85 | 2661 | */ |
155e048d | 2662 | |
1f3233d1 | 2663 | static void |
00775b04 | 2664 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
2665 | const struct write_types_data *wtd) | |
1f3233d1 | 2666 | { |
c849df63 | 2667 | const char *chain_next = NULL; |
2668 | const char *chain_prev = NULL; | |
ae093573 | 2669 | const char *chain_circular = NULL; |
b0a1d041 | 2670 | const char *mark_hook_name = NULL; |
c849df63 | 2671 | options_p opt; |
573aba85 | 2672 | struct walk_type_data d; |
1a97be37 | 2673 | |
573aba85 | 2674 | memset (&d, 0, sizeof (d)); |
e3b362c8 | 2675 | d.of = get_output_file_for_structure (s, param); |
1a97be37 | 2676 | |
c849df63 | 2677 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2678 | if (strcmp (opt->name, "chain_next") == 0) | |
a070a3bd | 2679 | chain_next = opt->info; |
c849df63 | 2680 | else if (strcmp (opt->name, "chain_prev") == 0) |
a070a3bd | 2681 | chain_prev = opt->info; |
ae093573 | 2682 | else if (strcmp (opt->name, "chain_circular") == 0) |
2683 | chain_circular = opt->info; | |
b0a1d041 | 2684 | else if (strcmp (opt->name, "mark_hook") == 0) |
2685 | mark_hook_name = opt->info; | |
c849df63 | 2686 | |
2687 | if (chain_prev != NULL && chain_next == NULL) | |
2688 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
ae093573 | 2689 | if (chain_circular != NULL && chain_next != NULL) |
2690 | error_at_line (&s->u.s.line, "chain_circular with chain_next"); | |
2691 | if (chain_circular != NULL) | |
2692 | chain_next = chain_circular; | |
c849df63 | 2693 | |
573aba85 | 2694 | d.process_field = write_types_process_field; |
2695 | d.cookie = wtd; | |
2696 | d.orig_s = orig_s; | |
2697 | d.opt = s->u.s.opt; | |
2698 | d.line = &s->u.s.line; | |
2699 | d.bitmap = s->u.s.bitmap; | |
2700 | d.param = param; | |
2701 | d.prev_val[0] = "*x"; | |
01c8b828 | 2702 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
573aba85 | 2703 | d.prev_val[3] = "x"; |
2704 | d.val = "(*x)"; | |
2705 | ||
2706 | oprintf (d.of, "\n"); | |
2707 | oprintf (d.of, "void\n"); | |
1f3233d1 | 2708 | if (param == NULL) |
573aba85 | 2709 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
1f3233d1 | 2710 | else |
c849df63 | 2711 | { |
573aba85 | 2712 | oprintf (d.of, "gt_%s_", wtd->prefix); |
2713 | output_mangled_typename (d.of, orig_s); | |
c849df63 | 2714 | } |
69dc4d00 | 2715 | oprintf (d.of, " (void *x_p)\n"); |
573aba85 | 2716 | oprintf (d.of, "{\n"); |
2717 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
1f3233d1 | 2718 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
c849df63 | 2719 | chain_next == NULL ? "const " : "", |
1f3233d1 | 2720 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
c849df63 | 2721 | if (chain_next != NULL) |
573aba85 | 2722 | oprintf (d.of, " %s %s * xlimit = x;\n", |
c849df63 | 2723 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
2724 | if (chain_next == NULL) | |
573aba85 | 2725 | { |
2726 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
2727 | if (wtd->param_prefix) | |
2728 | { | |
2729 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
2730 | output_mangled_typename (d.of, orig_s); | |
523507f1 | 2731 | output_type_enum (d.of, orig_s); |
573aba85 | 2732 | } |
2733 | oprintf (d.of, "))\n"); | |
2734 | } | |
c849df63 | 2735 | else |
2736 | { | |
ae093573 | 2737 | if (chain_circular != NULL) |
2738 | oprintf (d.of, " if (!%s (xlimit", wtd->marker_routine); | |
2739 | else | |
2740 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
573aba85 | 2741 | if (wtd->param_prefix) |
2742 | { | |
2743 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2744 | output_mangled_typename (d.of, orig_s); | |
523507f1 | 2745 | output_type_enum (d.of, orig_s); |
573aba85 | 2746 | } |
2747 | oprintf (d.of, "))\n"); | |
ae093573 | 2748 | if (chain_circular != NULL) |
2749 | oprintf (d.of, " return;\n do\n"); | |
b0a1d041 | 2750 | if (mark_hook_name && !wtd->skip_hooks) |
2751 | { | |
2752 | oprintf (d.of, " {\n"); | |
2753 | oprintf (d.of, " %s (xlimit);\n ", mark_hook_name); | |
2754 | } | |
573aba85 | 2755 | oprintf (d.of, " xlimit = ("); |
2756 | d.prev_val[2] = "*xlimit"; | |
2757 | output_escaped_param (&d, chain_next, "chain_next"); | |
2758 | oprintf (d.of, ");\n"); | |
b0a1d041 | 2759 | if (mark_hook_name && !wtd->skip_hooks) |
2760 | oprintf (d.of, " }\n"); | |
c849df63 | 2761 | if (chain_prev != NULL) |
2762 | { | |
573aba85 | 2763 | oprintf (d.of, " if (x != xlimit)\n"); |
2764 | oprintf (d.of, " for (;;)\n"); | |
2765 | oprintf (d.of, " {\n"); | |
2766 | oprintf (d.of, " %s %s * const xprev = (", | |
c849df63 | 2767 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
1a97be37 | 2768 | |
573aba85 | 2769 | d.prev_val[2] = "*x"; |
2770 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
2771 | oprintf (d.of, ");\n"); | |
2772 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
2773 | oprintf (d.of, " x = xprev;\n"); | |
01c8b828 | 2774 | oprintf (d.of, " (void) %s (xprev", wtd->marker_routine); |
573aba85 | 2775 | if (wtd->param_prefix) |
2776 | { | |
2777 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
2778 | output_mangled_typename (d.of, orig_s); | |
523507f1 | 2779 | output_type_enum (d.of, orig_s); |
573aba85 | 2780 | } |
2781 | oprintf (d.of, ");\n"); | |
2782 | oprintf (d.of, " }\n"); | |
c849df63 | 2783 | } |
ae093573 | 2784 | if (chain_circular != NULL) |
2785 | { | |
2786 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
2787 | if (wtd->param_prefix) | |
2788 | { | |
2789 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
2790 | output_mangled_typename (d.of, orig_s); | |
2791 | output_type_enum (d.of, orig_s); | |
2792 | } | |
2793 | oprintf (d.of, "));\n"); | |
2794 | if (mark_hook_name && !wtd->skip_hooks) | |
2795 | oprintf (d.of, " %s (xlimit);\n", mark_hook_name); | |
2796 | oprintf (d.of, " do\n"); | |
2797 | } | |
2798 | else | |
2799 | oprintf (d.of, " while (x != xlimit)\n"); | |
c849df63 | 2800 | } |
573aba85 | 2801 | oprintf (d.of, " {\n"); |
b0a1d041 | 2802 | if (mark_hook_name && chain_next == NULL && !wtd->skip_hooks) |
2803 | { | |
2804 | oprintf (d.of, " %s (x);\n", mark_hook_name); | |
2805 | } | |
573aba85 | 2806 | d.prev_val[2] = "*x"; |
2807 | d.indent = 6; | |
2808 | walk_type (s, &d); | |
1a97be37 | 2809 | |
c849df63 | 2810 | if (chain_next != NULL) |
2811 | { | |
573aba85 | 2812 | oprintf (d.of, " x = ("); |
2813 | output_escaped_param (&d, chain_next, "chain_next"); | |
2814 | oprintf (d.of, ");\n"); | |
c849df63 | 2815 | } |
2816 | ||
573aba85 | 2817 | oprintf (d.of, " }\n"); |
ae093573 | 2818 | if (chain_circular != NULL) |
2819 | oprintf (d.of, " while (x != xlimit);\n"); | |
573aba85 | 2820 | oprintf (d.of, "}\n"); |
1f3233d1 | 2821 | } |
155e048d | 2822 | |
2823 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
1f3233d1 | 2824 | |
2825 | static void | |
8603e6a7 | 2826 | write_types (outf_p output_header, type_p structures, type_p param_structs, |
1a97be37 | 2827 | const struct write_types_data *wtd) |
1f3233d1 | 2828 | { |
e62e715c | 2829 | int nbfun = 0; /* Count the emitted functions. */ |
1f3233d1 | 2830 | type_p s; |
1a97be37 | 2831 | |
8603e6a7 | 2832 | oprintf (output_header, "\n/* %s*/\n", wtd->comment); |
242994e0 | 2833 | /* We first emit the macros and the declarations. Functions' code is |
2834 | emitted afterwards. This is needed in plugin mode. */ | |
2835 | oprintf (output_header, "/* macros and declarations */\n"); | |
1f3233d1 | 2836 | for (s = structures; s; s = s->next) |
01c8b828 | 2837 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
1f3233d1 | 2838 | { |
2839 | options_p opt; | |
1a97be37 | 2840 | |
01c8b828 | 2841 | if (s->gc_used == GC_MAYBE_POINTED_TO && s->u.s.line.file == NULL) |
1f3233d1 | 2842 | continue; |
2843 | ||
8603e6a7 | 2844 | oprintf (output_header, "#define gt_%s_", wtd->prefix); |
2845 | output_mangled_typename (output_header, s); | |
2846 | oprintf (output_header, "(X) do { \\\n"); | |
2847 | oprintf (output_header, | |
1a97be37 | 2848 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
573aba85 | 2849 | s->u.s.tag); |
01c8b828 | 2850 | oprintf (output_header, " } while (0)\n"); |
1a97be37 | 2851 | |
1f3233d1 | 2852 | for (opt = s->u.s.opt; opt; opt = opt->next) |
2853 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2854 | { | |
dea3189b | 2855 | const_type_p const t = (const_type_p) opt->info; |
1a97be37 | 2856 | if (t->kind == TYPE_STRUCT |
01c8b828 | 2857 | || t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT) |
8603e6a7 | 2858 | oprintf (output_header, |
573aba85 | 2859 | "#define gt_%sx_%s gt_%sx_%s\n", |
2860 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
1f3233d1 | 2861 | else |
1a97be37 | 2862 | error_at_line (&s->u.s.line, |
1f3233d1 | 2863 | "structure alias is not a structure"); |
2864 | break; | |
2865 | } | |
2866 | if (opt) | |
2867 | continue; | |
2868 | ||
2869 | /* Declare the marker procedure only once. */ | |
8603e6a7 | 2870 | oprintf (output_header, |
1a97be37 | 2871 | "extern void gt_%sx_%s (void *);\n", |
573aba85 | 2872 | wtd->prefix, s->u.s.tag); |
1a97be37 | 2873 | |
1f3233d1 | 2874 | if (s->u.s.line.file == NULL) |
2875 | { | |
1a97be37 | 2876 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
1f3233d1 | 2877 | s->u.s.tag); |
2878 | continue; | |
2879 | } | |
1f3233d1 | 2880 | } |
2881 | ||
2882 | for (s = param_structs; s; s = s->next) | |
2883 | if (s->gc_used == GC_POINTED_TO) | |
2884 | { | |
1f3233d1 | 2885 | type_p stru = s->u.param_struct.stru; |
2886 | ||
1f3233d1 | 2887 | /* Declare the marker procedure. */ |
8603e6a7 | 2888 | oprintf (output_header, "extern void gt_%s_", wtd->prefix); |
2889 | output_mangled_typename (output_header, s); | |
2890 | oprintf (output_header, " (void *);\n"); | |
1a97be37 | 2891 | |
1f3233d1 | 2892 | if (stru->u.s.line.file == NULL) |
2893 | { | |
1a97be37 | 2894 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
1f3233d1 | 2895 | s->u.s.tag); |
2896 | continue; | |
2897 | } | |
242994e0 | 2898 | } |
48e1416a | 2899 | |
2900 | /* At last we emit the functions code. */ | |
242994e0 | 2901 | oprintf (output_header, "\n/* functions code */\n"); |
2902 | for (s = structures; s; s = s->next) | |
01c8b828 | 2903 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
242994e0 | 2904 | { |
2905 | options_p opt; | |
1a97be37 | 2906 | |
01c8b828 | 2907 | if (s->gc_used == GC_MAYBE_POINTED_TO && s->u.s.line.file == NULL) |
242994e0 | 2908 | continue; |
2909 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
2910 | if (strcmp (opt->name, "ptr_alias") == 0) | |
2911 | break; | |
2912 | if (opt) | |
2913 | continue; | |
48e1416a | 2914 | |
242994e0 | 2915 | if (s->kind == TYPE_LANG_STRUCT) |
2916 | { | |
2917 | type_p ss; | |
2918 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
e62e715c | 2919 | { |
2920 | nbfun++; | |
2921 | DBGPRINTF ("writing func #%d lang_struct ss @ %p '%s'", | |
2922 | nbfun, (void*) ss, ss->u.s.tag); | |
2923 | write_func_for_structure (s, ss, NULL, wtd); | |
2924 | } | |
242994e0 | 2925 | } |
2926 | else | |
e62e715c | 2927 | { |
2928 | nbfun++; | |
2929 | DBGPRINTF ("writing func #%d struct s @ %p '%s'", | |
2930 | nbfun, (void*) s, s->u.s.tag); | |
2931 | write_func_for_structure (s, s, NULL, wtd); | |
2932 | } | |
242994e0 | 2933 | } |
e62e715c | 2934 | else |
2935 | { | |
2936 | /* Structure s is not possibly pointed to, so can be ignored. */ | |
2937 | DBGPRINTF ("ignored s @ %p '%s' gc_used#%d", | |
2938 | (void*)s, s->u.s.tag, | |
2939 | (int) s->gc_used); | |
2940 | } | |
2941 | ||
242994e0 | 2942 | for (s = param_structs; s; s = s->next) |
2943 | if (s->gc_used == GC_POINTED_TO) | |
2944 | { | |
2945 | type_p *param = s->u.param_struct.param; | |
2946 | type_p stru = s->u.param_struct.stru; | |
2947 | if (stru->u.s.line.file == NULL) | |
2948 | continue; | |
1f3233d1 | 2949 | if (stru->kind == TYPE_LANG_STRUCT) |
2950 | { | |
2951 | type_p ss; | |
2952 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
e62e715c | 2953 | { |
2954 | nbfun++; | |
2955 | DBGPRINTF ("writing func #%d param lang_struct ss @ %p '%s'", | |
2956 | nbfun, (void*) ss, ss->u.s.tag); | |
2957 | write_func_for_structure (s, ss, param, wtd); | |
2958 | } | |
573aba85 | 2959 | } |
2960 | else | |
e62e715c | 2961 | { |
2962 | nbfun++; | |
2963 | DBGPRINTF ("writing func #%d param struct s @ %p stru @ %p '%s'", | |
2964 | nbfun, (void*) s, | |
2965 | (void*) stru, stru->u.s.tag); | |
2966 | write_func_for_structure (s, stru, param, wtd); | |
2967 | } | |
2968 | } | |
2969 | else | |
2970 | { | |
2971 | /* Param structure s is not pointed to, so should be ignored. */ | |
2972 | DBGPRINTF ("ignored s @ %p", (void*)s); | |
573aba85 | 2973 | } |
e62e715c | 2974 | if (verbosity_level >= 2) |
2975 | printf ("%s emitted %d routines for %s\n", | |
2976 | progname, nbfun, wtd->comment); | |
573aba85 | 2977 | } |
2978 | ||
01c8b828 | 2979 | static const struct write_types_data ggc_wtd = { |
573aba85 | 2980 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, |
b0a1d041 | 2981 | "GC marker procedures. ", |
2982 | FALSE | |
573aba85 | 2983 | }; |
2984 | ||
01c8b828 | 2985 | static const struct write_types_data pch_wtd = { |
573aba85 | 2986 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", |
2987 | "gt_pch_note_reorder", | |
b0a1d041 | 2988 | "PCH type-walking procedures. ", |
2989 | TRUE | |
573aba85 | 2990 | }; |
2991 | ||
2992 | /* Write out the local pointer-walking routines. */ | |
2993 | ||
2994 | /* process_field routine for local pointer-walking. */ | |
2995 | ||
2996 | static void | |
1a97be37 | 2997 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
573aba85 | 2998 | { |
2999 | switch (f->kind) | |
3000 | { | |
3001 | case TYPE_POINTER: | |
3002 | case TYPE_STRUCT: | |
3003 | case TYPE_UNION: | |
3004 | case TYPE_LANG_STRUCT: | |
3005 | case TYPE_PARAM_STRUCT: | |
3006 | case TYPE_STRING: | |
3007 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
3008 | d->prev_val[3]); | |
3009 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
3010 | break; | |
3011 | ||
3012 | case TYPE_SCALAR: | |
3013 | break; | |
1a97be37 | 3014 | |
573aba85 | 3015 | default: |
e0a4c0c2 | 3016 | gcc_unreachable (); |
573aba85 | 3017 | } |
3018 | } | |
3019 | ||
3020 | /* For S, a structure that's part of ORIG_S, and using parameters | |
3021 | PARAM, write out a routine that: | |
3022 | - Is of type gt_note_pointers | |
c39ed964 | 3023 | - Calls PROCESS_FIELD on each field of S or its substructures. |
573aba85 | 3024 | */ |
3025 | ||
3026 | static void | |
e3b362c8 | 3027 | write_local_func_for_structure (const_type_p orig_s, type_p s, type_p *param) |
573aba85 | 3028 | { |
573aba85 | 3029 | struct walk_type_data d; |
1a97be37 | 3030 | |
573aba85 | 3031 | memset (&d, 0, sizeof (d)); |
e3b362c8 | 3032 | d.of = get_output_file_for_structure (s, param); |
573aba85 | 3033 | d.process_field = write_types_local_process_field; |
3034 | d.opt = s->u.s.opt; | |
3035 | d.line = &s->u.s.line; | |
3036 | d.bitmap = s->u.s.bitmap; | |
3037 | d.param = param; | |
3038 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
01c8b828 | 3039 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
573aba85 | 3040 | d.prev_val[3] = "x"; |
3041 | d.val = "(*x)"; | |
c39ed964 | 3042 | d.fn_wants_lvalue = true; |
573aba85 | 3043 | |
3044 | oprintf (d.of, "\n"); | |
3045 | oprintf (d.of, "void\n"); | |
3046 | oprintf (d.of, "gt_pch_p_"); | |
3047 | output_mangled_typename (d.of, orig_s); | |
9a03a746 | 3048 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
3049 | "\tvoid *x_p,\n" | |
3050 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3051 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
573aba85 | 3052 | oprintf (d.of, "{\n"); |
3053 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
3054 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
3055 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
3056 | d.indent = 2; | |
3057 | walk_type (s, &d); | |
3058 | oprintf (d.of, "}\n"); | |
3059 | } | |
3060 | ||
3061 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
3062 | ||
3063 | static void | |
8603e6a7 | 3064 | write_local (outf_p output_header, type_p structures, type_p param_structs) |
573aba85 | 3065 | { |
3066 | type_p s; | |
1a97be37 | 3067 | |
48e1416a | 3068 | if (!output_header) |
9dc75945 | 3069 | return; |
8603e6a7 | 3070 | oprintf (output_header, "\n/* Local pointer-walking routines. */\n"); |
573aba85 | 3071 | for (s = structures; s; s = s->next) |
01c8b828 | 3072 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
573aba85 | 3073 | { |
3074 | options_p opt; | |
1a97be37 | 3075 | |
573aba85 | 3076 | if (s->u.s.line.file == NULL) |
3077 | continue; | |
3078 | ||
3079 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
3080 | if (strcmp (opt->name, "ptr_alias") == 0) | |
3081 | { | |
dea3189b | 3082 | const_type_p const t = (const_type_p) opt->info; |
1a97be37 | 3083 | if (t->kind == TYPE_STRUCT |
01c8b828 | 3084 | || t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT) |
573aba85 | 3085 | { |
8603e6a7 | 3086 | oprintf (output_header, "#define gt_pch_p_"); |
3087 | output_mangled_typename (output_header, s); | |
3088 | oprintf (output_header, " gt_pch_p_"); | |
3089 | output_mangled_typename (output_header, t); | |
3090 | oprintf (output_header, "\n"); | |
573aba85 | 3091 | } |
3092 | else | |
1a97be37 | 3093 | error_at_line (&s->u.s.line, |
573aba85 | 3094 | "structure alias is not a structure"); |
3095 | break; | |
3096 | } | |
3097 | if (opt) | |
3098 | continue; | |
3099 | ||
3100 | /* Declare the marker procedure only once. */ | |
8603e6a7 | 3101 | oprintf (output_header, "extern void gt_pch_p_"); |
3102 | output_mangled_typename (output_header, s); | |
3103 | oprintf (output_header, | |
01c8b828 | 3104 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
1a97be37 | 3105 | |
573aba85 | 3106 | if (s->kind == TYPE_LANG_STRUCT) |
3107 | { | |
3108 | type_p ss; | |
3109 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
3110 | write_local_func_for_structure (s, ss, NULL); | |
3111 | } | |
3112 | else | |
3113 | write_local_func_for_structure (s, s, NULL); | |
3114 | } | |
3115 | ||
3116 | for (s = param_structs; s; s = s->next) | |
3117 | if (s->gc_used == GC_POINTED_TO) | |
3118 | { | |
01c8b828 | 3119 | type_p *param = s->u.param_struct.param; |
573aba85 | 3120 | type_p stru = s->u.param_struct.stru; |
3121 | ||
3122 | /* Declare the marker procedure. */ | |
8603e6a7 | 3123 | oprintf (output_header, "extern void gt_pch_p_"); |
3124 | output_mangled_typename (output_header, s); | |
3125 | oprintf (output_header, | |
01c8b828 | 3126 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
1a97be37 | 3127 | |
573aba85 | 3128 | if (stru->u.s.line.file == NULL) |
3129 | { | |
1a97be37 | 3130 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
573aba85 | 3131 | s->u.s.tag); |
3132 | continue; | |
3133 | } | |
1a97be37 | 3134 | |
573aba85 | 3135 | if (stru->kind == TYPE_LANG_STRUCT) |
3136 | { | |
3137 | type_p ss; | |
3138 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
3139 | write_local_func_for_structure (s, ss, param); | |
1f3233d1 | 3140 | } |
3141 | else | |
573aba85 | 3142 | write_local_func_for_structure (s, stru, param); |
c849df63 | 3143 | } |
3144 | } | |
3145 | ||
ba72912a | 3146 | /* Nonzero if S is a type for which typed GC allocators should be output. */ |
3147 | ||
3148 | #define USED_BY_TYPED_GC_P(s) \ | |
3149 | (((s->kind == TYPE_POINTER) \ | |
3150 | && ((s->u.p->gc_used == GC_POINTED_TO) \ | |
3151 | || (s->u.p->gc_used == GC_USED))) \ | |
3152 | || (UNION_OR_STRUCT_P (s) && \ | |
3153 | (((s)->gc_used == GC_POINTED_TO) \ | |
3154 | || ((s)->gc_used == GC_MAYBE_POINTED_TO \ | |
3155 | && s->u.s.line.file != NULL) \ | |
3156 | || ((s)->gc_used == GC_USED \ | |
3157 | && strncmp (s->u.s.tag, "anonymous", strlen ("anonymous")))))) | |
3158 | ||
3159 | ||
c849df63 | 3160 | /* Write out the 'enum' definition for gt_types_enum. */ |
3161 | ||
3162 | static void | |
00775b04 | 3163 | write_enum_defn (type_p structures, type_p param_structs) |
c849df63 | 3164 | { |
3165 | type_p s; | |
e62e715c | 3166 | int nbstruct = 0; |
3167 | int nbparamstruct = 0; | |
1a97be37 | 3168 | |
48e1416a | 3169 | if (!header_file) |
9dc75945 | 3170 | return; |
c849df63 | 3171 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
3172 | oprintf (header_file, "enum gt_types_enum {\n"); | |
3173 | for (s = structures; s; s = s->next) | |
ba72912a | 3174 | if (USED_BY_TYPED_GC_P (s)) |
c849df63 | 3175 | { |
e62e715c | 3176 | nbstruct++; |
3177 | DBGPRINTF ("write_enum_defn s @ %p nbstruct %d", | |
3178 | (void*) s, nbstruct); | |
3179 | if (UNION_OR_STRUCT_P (s)) | |
3180 | DBGPRINTF ("write_enum_defn s %p #%d is unionorstruct tagged %s", | |
3181 | (void*) s, nbstruct, s->u.s.tag); | |
c849df63 | 3182 | oprintf (header_file, " gt_ggc_e_"); |
3183 | output_mangled_typename (header_file, s); | |
ba72912a | 3184 | oprintf (header_file, ",\n"); |
1f3233d1 | 3185 | } |
c849df63 | 3186 | for (s = param_structs; s; s = s->next) |
3187 | if (s->gc_used == GC_POINTED_TO) | |
3188 | { | |
e62e715c | 3189 | nbparamstruct++; |
3190 | DBGPRINTF ("write_enum_defn s %p nbparamstruct %d", | |
3191 | (void*) s, nbparamstruct); | |
c849df63 | 3192 | oprintf (header_file, " gt_e_"); |
3193 | output_mangled_typename (header_file, s); | |
ba72912a | 3194 | oprintf (header_file, ",\n"); |
c849df63 | 3195 | } |
3196 | oprintf (header_file, " gt_types_enum_last\n"); | |
3197 | oprintf (header_file, "};\n"); | |
e62e715c | 3198 | if (verbosity_level >= 2) |
3199 | printf ("%s handled %d GTY-ed structures & %d parameterized structures.\n", | |
3200 | progname, nbstruct, nbparamstruct); | |
3201 | ||
1f3233d1 | 3202 | } |
3203 | ||
573aba85 | 3204 | /* Might T contain any non-pointer elements? */ |
3205 | ||
3206 | static int | |
1a97be37 | 3207 | contains_scalar_p (type_p t) |
573aba85 | 3208 | { |
3209 | switch (t->kind) | |
3210 | { | |
3211 | case TYPE_STRING: | |
3212 | case TYPE_POINTER: | |
3213 | return 0; | |
3214 | case TYPE_ARRAY: | |
3215 | return contains_scalar_p (t->u.a.p); | |
3216 | default: | |
3217 | /* Could also check for structures that have no non-pointer | |
01c8b828 | 3218 | fields, but there aren't enough of those to worry about. */ |
573aba85 | 3219 | return 1; |
3220 | } | |
3221 | } | |
c849df63 | 3222 | |
155e048d | 3223 | /* Mangle FN and print it to F. */ |
3224 | ||
1f3233d1 | 3225 | static void |
1a97be37 | 3226 | put_mangled_filename (outf_p f, const char *fn) |
1f3233d1 | 3227 | { |
3228 | const char *name = get_output_file_name (fn); | |
48e1416a | 3229 | if (!f || !name) |
9dc75945 | 3230 | return; |
1f3233d1 | 3231 | for (; *name != 0; name++) |
74863452 | 3232 | if (ISALNUM (*name)) |
92570e7a | 3233 | oprintf (f, "%c", *name); |
1f3233d1 | 3234 | else |
92570e7a | 3235 | oprintf (f, "%c", '_'); |
1f3233d1 | 3236 | } |
3237 | ||
155e048d | 3238 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
3239 | LASTNAME, and NAME are all strings to insert in various places in | |
3240 | the resulting code. */ | |
3241 | ||
1f3233d1 | 3242 | static void |
1a97be37 | 3243 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
3244 | const char *tname, const char *name) | |
1f3233d1 | 3245 | { |
3246 | struct flist *fli2; | |
1a97be37 | 3247 | |
1f3233d1 | 3248 | for (fli2 = flp; fli2; fli2 = fli2->next) |
3249 | if (fli2->started_p) | |
3250 | { | |
92570e7a | 3251 | oprintf (fli2->f, " %s\n", lastname); |
3252 | oprintf (fli2->f, "};\n\n"); | |
1f3233d1 | 3253 | } |
3254 | ||
9dc75945 | 3255 | for (fli2 = flp; fli2 && base_files; fli2 = fli2->next) |
1f3233d1 | 3256 | if (fli2->started_p) |
3257 | { | |
570af75a | 3258 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
1f3233d1 | 3259 | int fnum; |
3260 | ||
3261 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
3262 | if (bitmap & 1) | |
3263 | { | |
92570e7a | 3264 | oprintf (base_files[fnum], |
01c8b828 | 3265 | "extern const struct %s gt_%s_", tname, pfx); |
1f3233d1 | 3266 | put_mangled_filename (base_files[fnum], fli2->name); |
92570e7a | 3267 | oprintf (base_files[fnum], "[];\n"); |
1f3233d1 | 3268 | } |
3269 | } | |
1a97be37 | 3270 | |
573aba85 | 3271 | { |
3272 | size_t fnum; | |
9dc75945 | 3273 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
01c8b828 | 3274 | oprintf (base_files[fnum], |
3275 | "EXPORTED_CONST struct %s * const %s[] = {\n", tname, name); | |
573aba85 | 3276 | } |
1a97be37 | 3277 | |
1f3233d1 | 3278 | |
3279 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
3280 | if (fli2->started_p) | |
3281 | { | |
570af75a | 3282 | lang_bitmap bitmap = get_lang_bitmap (fli2->name); |
1f3233d1 | 3283 | int fnum; |
3284 | ||
3285 | fli2->started_p = 0; | |
3286 | ||
9dc75945 | 3287 | for (fnum = 0; base_files && bitmap != 0; fnum++, bitmap >>= 1) |
1f3233d1 | 3288 | if (bitmap & 1) |
3289 | { | |
573aba85 | 3290 | oprintf (base_files[fnum], " gt_%s_", pfx); |
1f3233d1 | 3291 | put_mangled_filename (base_files[fnum], fli2->name); |
92570e7a | 3292 | oprintf (base_files[fnum], ",\n"); |
1f3233d1 | 3293 | } |
3294 | } | |
3295 | ||
3296 | { | |
573aba85 | 3297 | size_t fnum; |
9dc75945 | 3298 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
573aba85 | 3299 | { |
3300 | oprintf (base_files[fnum], " NULL\n"); | |
3301 | oprintf (base_files[fnum], "};\n"); | |
3302 | } | |
1f3233d1 | 3303 | } |
3304 | } | |
3305 | ||
8b879924 | 3306 | /* Write the first three fields (pointer, count and stride) for |
3307 | root NAME to F. V and LINE are as for write_root. | |
3308 | ||
3309 | Return true if the entry could be written; return false on error. */ | |
3310 | ||
3311 | static bool | |
3312 | start_root_entry (outf_p f, pair_p v, const char *name, struct fileloc *line) | |
3313 | { | |
3314 | type_p ap; | |
3315 | ||
3316 | if (!v) | |
3317 | { | |
3318 | error_at_line (line, "`%s' is too complex to be a root", name); | |
3319 | return false; | |
3320 | } | |
3321 | ||
3322 | oprintf (f, " {\n"); | |
3323 | oprintf (f, " &%s,\n", name); | |
3324 | oprintf (f, " 1"); | |
3325 | ||
3326 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
3327 | if (ap->u.a.len[0]) | |
3328 | oprintf (f, " * (%s)", ap->u.a.len); | |
3329 | else if (ap == v->type) | |
3330 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); | |
3331 | oprintf (f, ",\n"); | |
3332 | oprintf (f, " sizeof (%s", v->name); | |
3333 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
3334 | oprintf (f, "[0]"); | |
3335 | oprintf (f, "),\n"); | |
3336 | return true; | |
3337 | } | |
3338 | ||
e032b646 | 3339 | /* A subroutine of write_root for writing the roots for field FIELD_NAME, |
3340 | which has type FIELD_TYPE. Parameters F to EMIT_PCH are the parameters | |
3341 | of the caller. */ | |
3342 | ||
3343 | static void | |
3344 | write_field_root (outf_p f, pair_p v, type_p type, const char *name, | |
3345 | int has_length, struct fileloc *line, const char *if_marked, | |
3346 | bool emit_pch, type_p field_type, const char *field_name) | |
3347 | { | |
3348 | /* If the field reference is relative to V, rather than to some | |
3349 | subcomponent of V, we can mark any subarrays with a single stride. | |
3350 | We're effectively treating the field as a global variable in its | |
3351 | own right. */ | |
8b879924 | 3352 | if (v && type == v->type) |
e032b646 | 3353 | { |
3354 | struct pair newv; | |
3355 | ||
3356 | newv = *v; | |
3357 | newv.type = field_type; | |
3358 | newv.name = ACONCAT ((v->name, ".", field_name, NULL)); | |
3359 | v = &newv; | |
3360 | } | |
3361 | /* Otherwise, any arrays nested in the structure are too complex to | |
3362 | handle. */ | |
3363 | else if (field_type->kind == TYPE_ARRAY) | |
8b879924 | 3364 | v = NULL; |
e032b646 | 3365 | write_root (f, v, field_type, ACONCAT ((name, ".", field_name, NULL)), |
3366 | has_length, line, if_marked, emit_pch); | |
3367 | } | |
3368 | ||
155e048d | 3369 | /* Write out to F the table entry and any marker routines needed to |
8b879924 | 3370 | mark NAME as TYPE. V can be one of three values: |
3371 | ||
1fdf44f0 | 3372 | - null, if NAME is too complex to represent using a single |
3373 | count and stride. In this case, it is an error for NAME to | |
3374 | contain any gc-ed data. | |
8b879924 | 3375 | |
1fdf44f0 | 3376 | - the outermost array that contains NAME, if NAME is part of an array. |
8b879924 | 3377 | |
1fdf44f0 | 3378 | - the C variable that contains NAME, if NAME is not part of an array. |
8b879924 | 3379 | |
3380 | LINE is the line of the C source that declares the root variable. | |
155e048d | 3381 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED |
3382 | is nonzero iff we are building the root table for hash table caches. */ | |
3383 | ||
1f3233d1 | 3384 | static void |
1a97be37 | 3385 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
67b6ca97 | 3386 | struct fileloc *line, const char *if_marked, bool emit_pch) |
1f3233d1 | 3387 | { |
3388 | switch (type->kind) | |
3389 | { | |
3390 | case TYPE_STRUCT: | |
3391 | { | |
3392 | pair_p fld; | |
3393 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
3394 | { | |
3395 | int skip_p = 0; | |
3396 | const char *desc = NULL; | |
3397 | options_p o; | |
1a97be37 | 3398 | |
1f3233d1 | 3399 | for (o = fld->opt; o; o = o->next) |
3400 | if (strcmp (o->name, "skip") == 0) | |
3401 | skip_p = 1; | |
3402 | else if (strcmp (o->name, "desc") == 0) | |
a070a3bd | 3403 | desc = o->info; |
4dd3de56 | 3404 | else if (strcmp (o->name, "param_is") == 0) |
3405 | ; | |
1f3233d1 | 3406 | else |
3407 | error_at_line (line, | |
01c8b828 | 3408 | "field `%s' of global `%s' has unknown option `%s'", |
1f3233d1 | 3409 | fld->name, name, o->name); |
1a97be37 | 3410 | |
1f3233d1 | 3411 | if (skip_p) |
3412 | continue; | |
3413 | else if (desc && fld->type->kind == TYPE_UNION) | |
3414 | { | |
3415 | pair_p validf = NULL; | |
3416 | pair_p ufld; | |
1a97be37 | 3417 | |
1f3233d1 | 3418 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
3419 | { | |
3420 | const char *tag = NULL; | |
3421 | options_p oo; | |
1a97be37 | 3422 | |
1f3233d1 | 3423 | for (oo = ufld->opt; oo; oo = oo->next) |
3424 | if (strcmp (oo->name, "tag") == 0) | |
a070a3bd | 3425 | tag = oo->info; |
1f3233d1 | 3426 | if (tag == NULL || strcmp (tag, desc) != 0) |
3427 | continue; | |
3428 | if (validf != NULL) | |
1a97be37 | 3429 | error_at_line (line, |
01c8b828 | 3430 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
1f3233d1 | 3431 | name, fld->name, validf->name, |
01c8b828 | 3432 | name, fld->name, ufld->name, tag); |
1f3233d1 | 3433 | validf = ufld; |
3434 | } | |
3435 | if (validf != NULL) | |
e032b646 | 3436 | write_field_root (f, v, type, name, 0, line, if_marked, |
3437 | emit_pch, validf->type, | |
3438 | ACONCAT ((fld->name, ".", | |
3439 | validf->name, NULL))); | |
1f3233d1 | 3440 | } |
3441 | else if (desc) | |
1a97be37 | 3442 | error_at_line (line, |
01c8b828 | 3443 | "global `%s.%s' has `desc' option but is not union", |
1f3233d1 | 3444 | name, fld->name); |
3445 | else | |
e032b646 | 3446 | write_field_root (f, v, type, name, 0, line, if_marked, |
3447 | emit_pch, fld->type, fld->name); | |
1f3233d1 | 3448 | } |
3449 | } | |
3450 | break; | |
3451 | ||
3452 | case TYPE_ARRAY: | |
3453 | { | |
3454 | char *newname; | |
92570e7a | 3455 | newname = xasprintf ("%s[0]", name); |
67b6ca97 | 3456 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked, |
3457 | emit_pch); | |
1f3233d1 | 3458 | free (newname); |
3459 | } | |
3460 | break; | |
1a97be37 | 3461 | |
1f3233d1 | 3462 | case TYPE_POINTER: |
3463 | { | |
8b879924 | 3464 | type_p tp; |
3465 | ||
3466 | if (!start_root_entry (f, v, name, line)) | |
3467 | return; | |
1a97be37 | 3468 | |
1f3233d1 | 3469 | tp = type->u.p; |
1a97be37 | 3470 | |
01c8b828 | 3471 | if (!has_length && UNION_OR_STRUCT_P (tp)) |
1f3233d1 | 3472 | { |
573aba85 | 3473 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
67b6ca97 | 3474 | if (emit_pch) |
3475 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
3476 | else | |
3477 | oprintf (f, " NULL"); | |
1f3233d1 | 3478 | } |
01c8b828 | 3479 | else if (!has_length && tp->kind == TYPE_PARAM_STRUCT) |
1f3233d1 | 3480 | { |
c849df63 | 3481 | oprintf (f, " >_ggc_m_"); |
3482 | output_mangled_typename (f, tp); | |
67b6ca97 | 3483 | if (emit_pch) |
3484 | { | |
3485 | oprintf (f, ",\n >_pch_n_"); | |
3486 | output_mangled_typename (f, tp); | |
3487 | } | |
3488 | else | |
3489 | oprintf (f, ",\n NULL"); | |
1f3233d1 | 3490 | } |
3491 | else if (has_length | |
e6baa273 | 3492 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
1f3233d1 | 3493 | { |
573aba85 | 3494 | oprintf (f, " >_ggc_ma_%s,\n", name); |
67b6ca97 | 3495 | if (emit_pch) |
3496 | oprintf (f, " >_pch_na_%s", name); | |
3497 | else | |
3498 | oprintf (f, " NULL"); | |
1f3233d1 | 3499 | } |
3500 | else | |
3501 | { | |
1a97be37 | 3502 | error_at_line (line, |
1f3233d1 | 3503 | "global `%s' is pointer to unimplemented type", |
3504 | name); | |
3505 | } | |
3506 | if (if_marked) | |
92570e7a | 3507 | oprintf (f, ",\n &%s", if_marked); |
3508 | oprintf (f, "\n },\n"); | |
1f3233d1 | 3509 | } |
3510 | break; | |
3511 | ||
1f3233d1 | 3512 | case TYPE_STRING: |
573aba85 | 3513 | { |
8b879924 | 3514 | if (!start_root_entry (f, v, name, line)) |
3515 | return; | |
3516 | ||
dfecde36 | 3517 | oprintf (f, " (gt_pointer_walker) >_ggc_m_S,\n"); |
b41d328d | 3518 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
573aba85 | 3519 | oprintf (f, " },\n"); |
3520 | } | |
3521 | break; | |
1a97be37 | 3522 | |
573aba85 | 3523 | case TYPE_SCALAR: |
1f3233d1 | 3524 | break; |
1a97be37 | 3525 | |
1f3233d1 | 3526 | default: |
01c8b828 | 3527 | error_at_line (line, "global `%s' is unimplemented type", name); |
1f3233d1 | 3528 | } |
3529 | } | |
3530 | ||
573aba85 | 3531 | /* This generates a routine to walk an array. */ |
3532 | ||
3533 | static void | |
1a97be37 | 3534 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
573aba85 | 3535 | { |
3536 | struct walk_type_data d; | |
3537 | char *prevval3; | |
1a97be37 | 3538 | |
573aba85 | 3539 | memset (&d, 0, sizeof (d)); |
3540 | d.of = f; | |
3541 | d.cookie = wtd; | |
3542 | d.indent = 2; | |
3543 | d.line = &v->line; | |
3544 | d.opt = v->opt; | |
570af75a | 3545 | d.bitmap = get_lang_bitmap (v->line.file); |
573aba85 | 3546 | d.param = NULL; |
3547 | ||
3548 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
3549 | ||
3550 | if (wtd->param_prefix) | |
3551 | { | |
3552 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
01c8b828 | 3553 | oprintf (f, " (void *, void *, gt_pointer_operator, void *);\n"); |
9a03a746 | 3554 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
573aba85 | 3555 | wtd->param_prefix, v->name); |
9a03a746 | 3556 | oprintf (d.of, |
3557 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
3558 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3559 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
573aba85 | 3560 | oprintf (d.of, "{\n"); |
3561 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3562 | d.process_field = write_types_local_process_field; | |
3563 | walk_type (v->type, &d); | |
3564 | oprintf (f, "}\n\n"); | |
3565 | } | |
3566 | ||
3567 | d.opt = v->opt; | |
01c8b828 | 3568 | oprintf (f, "static void gt_%sa_%s (void *);\n", wtd->prefix, v->name); |
9a03a746 | 3569 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
573aba85 | 3570 | wtd->prefix, v->name); |
573aba85 | 3571 | oprintf (f, "{\n"); |
3572 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3573 | d.process_field = write_types_process_field; | |
3574 | walk_type (v->type, &d); | |
3575 | free (prevval3); | |
3576 | oprintf (f, "}\n\n"); | |
3577 | } | |
3578 | ||
155e048d | 3579 | /* Output a table describing the locations and types of VARIABLES. */ |
3580 | ||
1f3233d1 | 3581 | static void |
67b6ca97 | 3582 | write_roots (pair_p variables, bool emit_pch) |
1f3233d1 | 3583 | { |
3584 | pair_p v; | |
3585 | struct flist *flp = NULL; | |
3586 | ||
3587 | for (v = variables; v; v = v->next) | |
3588 | { | |
92570e7a | 3589 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 3590 | struct flist *fli; |
3591 | const char *length = NULL; | |
3592 | int deletable_p = 0; | |
3593 | options_p o; | |
3594 | ||
3595 | for (o = v->opt; o; o = o->next) | |
3596 | if (strcmp (o->name, "length") == 0) | |
a070a3bd | 3597 | length = o->info; |
1f3233d1 | 3598 | else if (strcmp (o->name, "deletable") == 0) |
3599 | deletable_p = 1; | |
3600 | else if (strcmp (o->name, "param_is") == 0) | |
3601 | ; | |
1a97be37 | 3602 | else if (strncmp (o->name, "param", 5) == 0 |
01c8b828 | 3603 | && ISDIGIT (o->name[5]) && strcmp (o->name + 6, "_is") == 0) |
c849df63 | 3604 | ; |
1f3233d1 | 3605 | else if (strcmp (o->name, "if_marked") == 0) |
3606 | ; | |
3607 | else | |
1a97be37 | 3608 | error_at_line (&v->line, |
1f3233d1 | 3609 | "global `%s' has unknown option `%s'", |
3610 | v->name, o->name); | |
3611 | ||
3612 | for (fli = flp; fli; fli = fli->next) | |
9dc75945 | 3613 | if (fli->f == f && f) |
1f3233d1 | 3614 | break; |
3615 | if (fli == NULL) | |
3616 | { | |
9318f22c | 3617 | fli = XNEW (struct flist); |
1f3233d1 | 3618 | fli->f = f; |
3619 | fli->next = flp; | |
3620 | fli->started_p = 0; | |
3621 | fli->name = v->line.file; | |
01c8b828 | 3622 | gcc_assert (fli->name); |
1f3233d1 | 3623 | flp = fli; |
3624 | ||
92570e7a | 3625 | oprintf (f, "\n/* GC roots. */\n\n"); |
1f3233d1 | 3626 | } |
3627 | ||
01c8b828 | 3628 | if (!deletable_p |
1f3233d1 | 3629 | && length |
3630 | && v->type->kind == TYPE_POINTER | |
3631 | && (v->type->u.p->kind == TYPE_POINTER | |
3632 | || v->type->u.p->kind == TYPE_STRUCT)) | |
3633 | { | |
573aba85 | 3634 | write_array (f, v, &ggc_wtd); |
3635 | write_array (f, v, &pch_wtd); | |
1f3233d1 | 3636 | } |
3637 | } | |
3638 | ||
3639 | for (v = variables; v; v = v->next) | |
3640 | { | |
92570e7a | 3641 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 3642 | struct flist *fli; |
3643 | int skip_p = 0; | |
3644 | int length_p = 0; | |
3645 | options_p o; | |
1a97be37 | 3646 | |
1f3233d1 | 3647 | for (o = v->opt; o; o = o->next) |
3648 | if (strcmp (o->name, "length") == 0) | |
3649 | length_p = 1; | |
3650 | else if (strcmp (o->name, "deletable") == 0 | |
3651 | || strcmp (o->name, "if_marked") == 0) | |
3652 | skip_p = 1; | |
3653 | ||
3654 | if (skip_p) | |
3655 | continue; | |
3656 | ||
3657 | for (fli = flp; fli; fli = fli->next) | |
3658 | if (fli->f == f) | |
3659 | break; | |
01c8b828 | 3660 | if (!fli->started_p) |
1f3233d1 | 3661 | { |
3662 | fli->started_p = 1; | |
3663 | ||
cd819d2f | 3664 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_r_"); |
1f3233d1 | 3665 | put_mangled_filename (f, v->line.file); |
92570e7a | 3666 | oprintf (f, "[] = {\n"); |
1f3233d1 | 3667 | } |
3668 | ||
67b6ca97 | 3669 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
1f3233d1 | 3670 | } |
3671 | ||
1a97be37 | 3672 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
1f3233d1 | 3673 | "gt_ggc_rtab"); |
3674 | ||
3675 | for (v = variables; v; v = v->next) | |
3676 | { | |
92570e7a | 3677 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 3678 | struct flist *fli; |
3679 | int skip_p = 1; | |
3680 | options_p o; | |
3681 | ||
3682 | for (o = v->opt; o; o = o->next) | |
3683 | if (strcmp (o->name, "deletable") == 0) | |
3684 | skip_p = 0; | |
3685 | else if (strcmp (o->name, "if_marked") == 0) | |
3686 | skip_p = 1; | |
3687 | ||
3688 | if (skip_p) | |
3689 | continue; | |
3690 | ||
3691 | for (fli = flp; fli; fli = fli->next) | |
3692 | if (fli->f == f) | |
3693 | break; | |
01c8b828 | 3694 | if (!fli->started_p) |
1f3233d1 | 3695 | { |
3696 | fli->started_p = 1; | |
3697 | ||
cd819d2f | 3698 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_rd_"); |
1f3233d1 | 3699 | put_mangled_filename (f, v->line.file); |
92570e7a | 3700 | oprintf (f, "[] = {\n"); |
1f3233d1 | 3701 | } |
1a97be37 | 3702 | |
573aba85 | 3703 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
1f3233d1 | 3704 | v->name, v->name); |
3705 | } | |
1a97be37 | 3706 | |
573aba85 | 3707 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
1f3233d1 | 3708 | "gt_ggc_deletable_rtab"); |
3709 | ||
3710 | for (v = variables; v; v = v->next) | |
3711 | { | |
92570e7a | 3712 | outf_p f = get_output_file_with_visibility (v->line.file); |
1f3233d1 | 3713 | struct flist *fli; |
3714 | const char *if_marked = NULL; | |
3715 | int length_p = 0; | |
3716 | options_p o; | |
1a97be37 | 3717 | |
1f3233d1 | 3718 | for (o = v->opt; o; o = o->next) |
3719 | if (strcmp (o->name, "length") == 0) | |
3720 | length_p = 1; | |
3721 | else if (strcmp (o->name, "if_marked") == 0) | |
a070a3bd | 3722 | if_marked = o->info; |
1f3233d1 | 3723 | |
3724 | if (if_marked == NULL) | |
3725 | continue; | |
3726 | ||
3727 | if (v->type->kind != TYPE_POINTER | |
3728 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
3729 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
3730 | { | |
01c8b828 | 3731 | error_at_line (&v->line, |
3732 | "if_marked option used but not hash table"); | |
1f3233d1 | 3733 | continue; |
3734 | } | |
3735 | ||
3736 | for (fli = flp; fli; fli = fli->next) | |
3737 | if (fli->f == f) | |
3738 | break; | |
01c8b828 | 3739 | if (!fli->started_p) |
1f3233d1 | 3740 | { |
3741 | fli->started_p = 1; | |
3742 | ||
cd819d2f | 3743 | oprintf (f, "EXPORTED_CONST struct ggc_cache_tab gt_ggc_rc_"); |
1f3233d1 | 3744 | put_mangled_filename (f, v->line.file); |
92570e7a | 3745 | oprintf (f, "[] = {\n"); |
1f3233d1 | 3746 | } |
1a97be37 | 3747 | |
573aba85 | 3748 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
67b6ca97 | 3749 | v->name, length_p, &v->line, if_marked, emit_pch); |
1f3233d1 | 3750 | } |
1a97be37 | 3751 | |
573aba85 | 3752 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
1f3233d1 | 3753 | "gt_ggc_cache_rtab"); |
573aba85 | 3754 | |
67b6ca97 | 3755 | if (!emit_pch) |
3756 | return; | |
3757 | ||
573aba85 | 3758 | for (v = variables; v; v = v->next) |
3759 | { | |
3760 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3761 | struct flist *fli; | |
3762 | int length_p = 0; | |
3763 | int if_marked_p = 0; | |
3764 | options_p o; | |
1a97be37 | 3765 | |
573aba85 | 3766 | for (o = v->opt; o; o = o->next) |
3767 | if (strcmp (o->name, "length") == 0) | |
3768 | length_p = 1; | |
3769 | else if (strcmp (o->name, "if_marked") == 0) | |
3770 | if_marked_p = 1; | |
3771 | ||
01c8b828 | 3772 | if (!if_marked_p) |
573aba85 | 3773 | continue; |
3774 | ||
3775 | for (fli = flp; fli; fli = fli->next) | |
3776 | if (fli->f == f) | |
3777 | break; | |
01c8b828 | 3778 | if (!fli->started_p) |
573aba85 | 3779 | { |
3780 | fli->started_p = 1; | |
3781 | ||
cd819d2f | 3782 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rc_"); |
573aba85 | 3783 | put_mangled_filename (f, v->line.file); |
3784 | oprintf (f, "[] = {\n"); | |
3785 | } | |
3786 | ||
67b6ca97 | 3787 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
573aba85 | 3788 | } |
1a97be37 | 3789 | |
573aba85 | 3790 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3791 | "gt_pch_cache_rtab"); | |
3792 | ||
3793 | for (v = variables; v; v = v->next) | |
3794 | { | |
3795 | outf_p f = get_output_file_with_visibility (v->line.file); | |
3796 | struct flist *fli; | |
3797 | int skip_p = 0; | |
3798 | options_p o; | |
3799 | ||
3800 | for (o = v->opt; o; o = o->next) | |
3801 | if (strcmp (o->name, "deletable") == 0 | |
3802 | || strcmp (o->name, "if_marked") == 0) | |
3803 | skip_p = 1; | |
3804 | ||
3805 | if (skip_p) | |
3806 | continue; | |
3807 | ||
01c8b828 | 3808 | if (!contains_scalar_p (v->type)) |
573aba85 | 3809 | continue; |
3810 | ||
3811 | for (fli = flp; fli; fli = fli->next) | |
3812 | if (fli->f == f) | |
3813 | break; | |
01c8b828 | 3814 | if (!fli->started_p) |
573aba85 | 3815 | { |
3816 | fli->started_p = 1; | |
3817 | ||
cd819d2f | 3818 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rs_"); |
573aba85 | 3819 | put_mangled_filename (f, v->line.file); |
3820 | oprintf (f, "[] = {\n"); | |
3821 | } | |
1a97be37 | 3822 | |
573aba85 | 3823 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
3824 | v->name, v->name); | |
3825 | } | |
1a97be37 | 3826 | |
573aba85 | 3827 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
3828 | "gt_pch_scalar_rtab"); | |
1f3233d1 | 3829 | } |
3830 | ||
696e7773 | 3831 | /* Record the definition of a generic VEC structure, as if we had expanded |
3832 | the macros in vec.h: | |
3833 | ||
3834 | typedef struct VEC_<type>_base GTY(()) { | |
3835 | unsigned num; | |
3836 | unsigned alloc; | |
3837 | <type> GTY((length ("%h.num"))) vec[1]; | |
3838 | } VEC_<type>_base | |
3839 | ||
3840 | where the GTY(()) tags are only present if is_scalar is _false_. */ | |
3841 | ||
3842 | void | |
2657a7d5 | 3843 | note_def_vec (const char *type_name, bool is_scalar, struct fileloc *pos) |
696e7773 | 3844 | { |
4097676c | 3845 | pair_p fields; |
696e7773 | 3846 | type_p t; |
3847 | options_p o; | |
4097676c | 3848 | type_p len_ty = create_scalar_type ("unsigned"); |
01c8b828 | 3849 | const char *name = concat ("VEC_", type_name, "_base", (char *) 0); |
696e7773 | 3850 | |
3851 | if (is_scalar) | |
3852 | { | |
2657a7d5 | 3853 | t = create_scalar_type (type_name); |
696e7773 | 3854 | o = 0; |
3855 | } | |
3856 | else | |
3857 | { | |
2657a7d5 | 3858 | t = resolve_typedef (type_name, pos); |
696e7773 | 3859 | o = create_option (0, "length", "%h.num"); |
3860 | } | |
3861 | ||
3862 | /* We assemble the field list in reverse order. */ | |
4097676c | 3863 | fields = create_field_at (0, create_array (t, "1"), "vec", o, pos); |
3864 | fields = create_field_at (fields, len_ty, "alloc", 0, pos); | |
3865 | fields = create_field_at (fields, len_ty, "num", 0, pos); | |
696e7773 | 3866 | |
3867 | do_typedef (name, new_structure (name, 0, pos, fields, 0), pos); | |
3868 | } | |
3869 | ||
3870 | /* Record the definition of an allocation-specific VEC structure, as if | |
3871 | we had expanded the macros in vec.h: | |
3872 | ||
3873 | typedef struct VEC_<type>_<astrat> { | |
1fdf44f0 | 3874 | VEC_<type>_base base; |
696e7773 | 3875 | } VEC_<type>_<astrat>; |
3876 | */ | |
3877 | void | |
3878 | note_def_vec_alloc (const char *type, const char *astrat, struct fileloc *pos) | |
3879 | { | |
01c8b828 | 3880 | const char *astratname = concat ("VEC_", type, "_", astrat, (char *) 0); |
3881 | const char *basename = concat ("VEC_", type, "_base", (char *) 0); | |
696e7773 | 3882 | |
4097676c | 3883 | pair_p field = create_field_at (0, resolve_typedef (basename, pos), |
3884 | "base", 0, pos); | |
696e7773 | 3885 | |
3886 | do_typedef (astratname, new_structure (astratname, 0, pos, field, 0), pos); | |
3887 | } | |
3888 | ||
ba72912a | 3889 | /* Returns the specifier keyword for a string or union type S, empty string |
3890 | otherwise. */ | |
3891 | ||
3892 | static const char * | |
3893 | get_type_specifier (const type_p s) | |
3894 | { | |
3895 | if (s->kind == TYPE_STRUCT || s->kind == TYPE_LANG_STRUCT) | |
3896 | return "struct "; | |
3897 | if (s->kind == TYPE_UNION) | |
3898 | return "union "; | |
3899 | return ""; | |
3900 | } | |
3901 | ||
3902 | /* TRUE if type S has the GTY variable_size annotation. */ | |
3903 | ||
3904 | static bool | |
3905 | variable_size_p (const type_p s) | |
3906 | { | |
3907 | options_p o; | |
3908 | for (o = s->u.s.opt; o; o = o->next) | |
3909 | if (strcmp (o->name, "variable_size") == 0) | |
3910 | return true; | |
3911 | return false; | |
3912 | } | |
3913 | ||
01c8b828 | 3914 | enum alloc_quantity |
3915 | { single, vector }; | |
3916 | enum alloc_zone | |
3917 | { any_zone, specific_zone }; | |
ba72912a | 3918 | |
3919 | /* Writes one typed allocator definition for type identifier TYPE_NAME with | |
3920 | optional type specifier TYPE_SPECIFIER. The allocator name will contain | |
3921 | ALLOCATOR_TYPE. If VARIABLE_SIZE is true, the allocator will have an extra | |
3922 | parameter specifying number of bytes to allocate. If QUANTITY is set to | |
3923 | VECTOR, a vector allocator will be output, if ZONE is set to SPECIFIC_ZONE, | |
3924 | the allocator will be zone-specific. */ | |
3925 | ||
3926 | static void | |
01c8b828 | 3927 | write_typed_alloc_def (bool variable_size, const char *type_specifier, |
3928 | const char *type_name, const char *allocator_type, | |
ba72912a | 3929 | enum alloc_quantity quantity, enum alloc_zone zone) |
3930 | { | |
3931 | bool two_args = variable_size && (quantity == vector); | |
3932 | bool third_arg = ((zone == specific_zone) | |
3933 | && (variable_size || (quantity == vector))); | |
3934 | ||
01c8b828 | 3935 | oprintf (header_file, "#define ggc_alloc_%s%s", allocator_type, type_name); |
ba72912a | 3936 | oprintf (header_file, "(%s%s%s%s%s) ", |
3937 | (variable_size ? "SIZE" : ""), | |
3938 | (two_args ? ", " : ""), | |
3939 | (quantity == vector) ? "n" : "", | |
3940 | (third_arg ? ", " : ""), (zone == specific_zone) ? "z" : ""); | |
3941 | oprintf (header_file, "((%s%s *)", type_specifier, type_name); | |
3942 | oprintf (header_file, "(ggc_internal_%salloc_stat (", allocator_type); | |
3943 | if (zone == specific_zone) | |
3944 | oprintf (header_file, "z, "); | |
3945 | if (variable_size) | |
3946 | oprintf (header_file, "SIZE"); | |
3947 | else | |
3948 | oprintf (header_file, "sizeof (%s%s)", type_specifier, type_name); | |
3949 | if (quantity == vector) | |
3950 | oprintf (header_file, ", n"); | |
3951 | oprintf (header_file, " MEM_STAT_INFO)))\n"); | |
3952 | } | |
3953 | ||
3954 | /* Writes a typed allocator definition for a struct or union S. */ | |
3955 | ||
3956 | static void | |
01c8b828 | 3957 | write_typed_struct_alloc_def (const type_p s, const char *allocator_type, |
ba72912a | 3958 | enum alloc_quantity quantity, |
3959 | enum alloc_zone zone) | |
3960 | { | |
3961 | write_typed_alloc_def (variable_size_p (s), get_type_specifier (s), | |
3962 | s->u.s.tag, allocator_type, quantity, zone); | |
3963 | } | |
3964 | ||
3965 | /* Writes a typed allocator definition for a typedef P. */ | |
3966 | ||
3967 | static void | |
01c8b828 | 3968 | write_typed_typedef_alloc_def (const pair_p p, const char *allocator_type, |
ba72912a | 3969 | enum alloc_quantity quantity, |
3970 | enum alloc_zone zone) | |
3971 | { | |
3972 | write_typed_alloc_def (variable_size_p (p->type), "", p->name, | |
3973 | allocator_type, quantity, zone); | |
3974 | } | |
3975 | ||
3976 | /* Writes typed allocator definitions for the types in STRUCTURES and | |
3977 | TYPEDEFS that are used by GC. */ | |
3978 | ||
3979 | static void | |
3980 | write_typed_alloc_defns (const type_p structures, const pair_p typedefs) | |
3981 | { | |
3982 | type_p s; | |
3983 | pair_p p; | |
3984 | ||
3985 | oprintf (header_file, | |
3986 | "\n/* Allocators for known structs and unions. */\n\n"); | |
3987 | for (s = structures; s; s = s->next) | |
3988 | { | |
3989 | if (!USED_BY_TYPED_GC_P (s)) | |
3990 | continue; | |
3991 | write_typed_struct_alloc_def (s, "", single, any_zone); | |
3992 | write_typed_struct_alloc_def (s, "cleared_", single, any_zone); | |
3993 | write_typed_struct_alloc_def (s, "vec_", vector, any_zone); | |
3994 | write_typed_struct_alloc_def (s, "cleared_vec_", vector, any_zone); | |
3995 | write_typed_struct_alloc_def (s, "zone_", single, specific_zone); | |
3996 | write_typed_struct_alloc_def (s, "zone_cleared_", single, | |
3997 | specific_zone); | |
3998 | write_typed_struct_alloc_def (s, "zone_vec_", vector, specific_zone); | |
3999 | write_typed_struct_alloc_def (s, "zone_cleared_vec_", vector, | |
4000 | specific_zone); | |
4001 | } | |
4002 | ||
4003 | oprintf (header_file, "\n/* Allocators for known typedefs. */\n"); | |
4004 | for (p = typedefs; p; p = p->next) | |
4005 | { | |
4006 | s = p->type; | |
4007 | if (!USED_BY_TYPED_GC_P (s) || (strcmp (p->name, s->u.s.tag) == 0)) | |
4008 | continue; | |
4009 | write_typed_typedef_alloc_def (p, "", single, any_zone); | |
4010 | write_typed_typedef_alloc_def (p, "cleared_", single, any_zone); | |
4011 | write_typed_typedef_alloc_def (p, "vec_", vector, any_zone); | |
4012 | write_typed_typedef_alloc_def (p, "cleared_vec_", vector, any_zone); | |
4013 | write_typed_typedef_alloc_def (p, "zone_", single, specific_zone); | |
4014 | write_typed_typedef_alloc_def (p, "zone_cleared_", single, | |
4015 | specific_zone); | |
4016 | write_typed_typedef_alloc_def (p, "zone_cleared_vec_", vector, | |
4017 | specific_zone); | |
4018 | } | |
4019 | } | |
4020 | ||
4021 | /* Prints not-as-ugly version of a typename of T to OF. Trades the uniquness | |
4022 | guaranteee for somewhat increased readability. If name conflicts do happen, | |
4023 | this funcion will have to be adjusted to be more like | |
4024 | output_mangled_typename. */ | |
4025 | ||
4026 | static void | |
4027 | output_typename (outf_p of, const_type_p t) | |
4028 | { | |
4029 | switch (t->kind) | |
4030 | { | |
4031 | case TYPE_STRING: | |
4032 | oprintf (of, "str"); | |
4033 | break; | |
4034 | case TYPE_SCALAR: | |
4035 | oprintf (of, "scalar"); | |
4036 | break; | |
4037 | case TYPE_POINTER: | |
4038 | output_typename (of, t->u.p); | |
4039 | break; | |
4040 | case TYPE_STRUCT: | |
4041 | case TYPE_UNION: | |
4042 | case TYPE_LANG_STRUCT: | |
4043 | oprintf (of, "%s", t->u.s.tag); | |
4044 | break; | |
4045 | case TYPE_PARAM_STRUCT: | |
4046 | { | |
4047 | int i; | |
4048 | for (i = 0; i < NUM_PARAM; i++) | |
01c8b828 | 4049 | if (t->u.param_struct.param[i] != NULL) |
4050 | { | |
4051 | output_typename (of, t->u.param_struct.param[i]); | |
4052 | oprintf (of, "_"); | |
4053 | } | |
ba72912a | 4054 | output_typename (of, t->u.param_struct.stru); |
4055 | break; | |
4056 | } | |
4057 | default: | |
01c8b828 | 4058 | gcc_unreachable (); |
ba72912a | 4059 | } |
4060 | } | |
4061 | ||
4062 | /* Writes a typed GC allocator for type S that is suitable as a callback for | |
4063 | the splay tree implementation in libiberty. */ | |
4064 | ||
4065 | static void | |
4066 | write_splay_tree_allocator_def (const_type_p s) | |
4067 | { | |
246fd2c7 | 4068 | outf_p of = get_output_file_with_visibility (NULL); |
ba72912a | 4069 | oprintf (of, "void * ggc_alloc_splay_tree_"); |
4070 | output_typename (of, s); | |
4071 | oprintf (of, " (int sz, void * nl)\n"); | |
4072 | oprintf (of, "{\n"); | |
4073 | oprintf (of, " return ggc_splay_alloc ("); | |
4074 | oprintf (of, "gt_e_"); | |
4075 | output_mangled_typename (of, s); | |
4076 | oprintf (of, ", sz, nl);\n"); | |
4077 | oprintf (of, "}\n\n"); | |
4078 | } | |
4079 | ||
4080 | /* Writes typed GC allocators for PARAM_STRUCTS that are suitable as callbacks | |
4081 | for the splay tree implementation in libiberty. */ | |
4082 | ||
4083 | static void | |
4084 | write_splay_tree_allocators (const_type_p param_structs) | |
4085 | { | |
4086 | const_type_p s; | |
4087 | ||
4088 | oprintf (header_file, "\n/* Splay tree callback allocators. */\n"); | |
4089 | for (s = param_structs; s; s = s->next) | |
4090 | if (s->gc_used == GC_POINTED_TO) | |
4091 | { | |
4092 | oprintf (header_file, "extern void * ggc_alloc_splay_tree_"); | |
4093 | output_typename (header_file, s); | |
4094 | oprintf (header_file, " (int, void *);\n"); | |
4095 | write_splay_tree_allocator_def (s); | |
4096 | } | |
4097 | } | |
4098 | ||
e3b362c8 | 4099 | static void dump_pair (int indent, pair_p p); |
4100 | static void dump_type (int indent, type_p p); | |
4101 | static void dump_type_list (int indent, type_p p); | |
4102 | ||
4103 | #define INDENT 2 | |
4104 | ||
4105 | /* Dumps the value of typekind KIND. */ | |
4106 | ||
4107 | static void | |
4108 | dump_typekind (int indent, enum typekind kind) | |
4109 | { | |
4110 | printf ("%*ckind = ", indent, ' '); | |
4111 | switch (kind) | |
4112 | { | |
01c8b828 | 4113 | case TYPE_SCALAR: |
4114 | printf ("TYPE_SCALAR"); | |
4115 | break; | |
4116 | case TYPE_STRING: | |
4117 | printf ("TYPE_STRING"); | |
4118 | break; | |
4119 | case TYPE_STRUCT: | |
4120 | printf ("TYPE_STRUCT"); | |
4121 | break; | |
4122 | case TYPE_UNION: | |
4123 | printf ("TYPE_UNION"); | |
4124 | break; | |
4125 | case TYPE_POINTER: | |
4126 | printf ("TYPE_POINTER"); | |
4127 | break; | |
4128 | case TYPE_ARRAY: | |
4129 | printf ("TYPE_ARRAY"); | |
4130 | break; | |
4131 | case TYPE_LANG_STRUCT: | |
4132 | printf ("TYPE_LANG_STRUCT"); | |
4133 | break; | |
4134 | case TYPE_PARAM_STRUCT: | |
4135 | printf ("TYPE_PARAM_STRUCT"); | |
4136 | break; | |
4137 | default: | |
4138 | gcc_unreachable (); | |
e3b362c8 | 4139 | } |
4140 | printf ("\n"); | |
4141 | } | |
4142 | ||
4143 | /* Dumps the value of GC_USED flag. */ | |
4144 | ||
4145 | static void | |
4146 | dump_gc_used (int indent, enum gc_used_enum gc_used) | |
4147 | { | |
4148 | printf ("%*cgc_used = ", indent, ' '); | |
4149 | switch (gc_used) | |
4150 | { | |
01c8b828 | 4151 | case GC_UNUSED: |
4152 | printf ("GC_UNUSED"); | |
4153 | break; | |
4154 | case GC_USED: | |
4155 | printf ("GC_USED"); | |
4156 | break; | |
4157 | case GC_MAYBE_POINTED_TO: | |
4158 | printf ("GC_MAYBE_POINTED_TO"); | |
4159 | break; | |
4160 | case GC_POINTED_TO: | |
4161 | printf ("GC_POINTED_TO"); | |
4162 | break; | |
4163 | default: | |
4164 | gcc_unreachable (); | |
e3b362c8 | 4165 | } |
4166 | printf ("\n"); | |
4167 | } | |
4168 | ||
4169 | /* Dumps the type options OPT. */ | |
4170 | ||
4171 | static void | |
4172 | dump_options (int indent, options_p opt) | |
4173 | { | |
4174 | options_p o; | |
4175 | printf ("%*coptions = ", indent, ' '); | |
4176 | o = opt; | |
4177 | while (o) | |
4178 | { | |
01c8b828 | 4179 | printf ("%s:%s ", o->name, o->info); |
4180 | o = o->next; | |
e3b362c8 | 4181 | } |
4182 | printf ("\n"); | |
4183 | } | |
4184 | ||
4185 | /* Dumps the source file location in LINE. */ | |
4186 | ||
4187 | static void | |
4188 | dump_fileloc (int indent, struct fileloc line) | |
4189 | { | |
4190 | printf ("%*cfileloc: file = %s, line = %d\n", indent, ' ', line.file, | |
4191 | line.line); | |
4192 | } | |
4193 | ||
4194 | /* Recursively dumps the struct, union, or a language-specific | |
4195 | struct T. */ | |
4196 | ||
4197 | static void | |
4198 | dump_type_u_s (int indent, type_p t) | |
4199 | { | |
4200 | pair_p fields; | |
4201 | ||
4202 | gcc_assert (t->kind == TYPE_STRUCT || t->kind == TYPE_UNION | |
4203 | || t->kind == TYPE_LANG_STRUCT); | |
4204 | printf ("%*cu.s.tag = %s\n", indent, ' ', t->u.s.tag); | |
4205 | dump_fileloc (indent, t->u.s.line); | |
4206 | printf ("%*cu.s.fields =\n", indent, ' '); | |
4207 | fields = t->u.s.fields; | |
4208 | while (fields) | |
4209 | { | |
01c8b828 | 4210 | dump_pair (indent + INDENT, fields); |
4211 | fields = fields->next; | |
e3b362c8 | 4212 | } |
4213 | printf ("%*cend of fields of type %p\n", indent, ' ', (void *) t); | |
4214 | dump_options (indent, t->u.s.opt); | |
4215 | printf ("%*cu.s.bitmap = %X\n", indent, ' ', t->u.s.bitmap); | |
4216 | if (t->kind == TYPE_LANG_STRUCT) | |
4217 | { | |
4218 | printf ("%*cu.s.lang_struct:\n", indent, ' '); | |
4219 | dump_type_list (indent + INDENT, t->u.s.lang_struct); | |
4220 | } | |
4221 | } | |
4222 | ||
4223 | /* Recursively dumps the array T. */ | |
4224 | ||
4225 | static void | |
4226 | dump_type_u_a (int indent, type_p t) | |
4227 | { | |
4228 | gcc_assert (t->kind == TYPE_ARRAY); | |
4229 | printf ("%*clen = %s, u.a.p:\n", indent, ' ', t->u.a.len); | |
4230 | dump_type_list (indent + INDENT, t->u.a.p); | |
4231 | } | |
4232 | ||
4233 | /* Recursively dumps the parameterized struct T. */ | |
4234 | ||
4235 | static void | |
4236 | dump_type_u_param_struct (int indent, type_p t) | |
4237 | { | |
4238 | int i; | |
4239 | gcc_assert (t->kind == TYPE_PARAM_STRUCT); | |
4240 | printf ("%*cu.param_struct.stru:\n", indent, ' '); | |
4241 | dump_type_list (indent, t->u.param_struct.stru); | |
4242 | dump_fileloc (indent, t->u.param_struct.line); | |
4243 | for (i = 0; i < NUM_PARAM; i++) | |
4244 | { | |
4245 | if (t->u.param_struct.param[i] == NULL) | |
4246 | continue; | |
4247 | printf ("%*cu.param_struct.param[%d]:\n", indent, ' ', i); | |
4248 | dump_type (indent + INDENT, t->u.param_struct.param[i]); | |
4249 | } | |
4250 | } | |
4251 | ||
4252 | /* Recursively dumps the type list T. */ | |
4253 | ||
4254 | static void | |
4255 | dump_type_list (int indent, type_p t) | |
4256 | { | |
4257 | type_p p = t; | |
4258 | while (p) | |
4259 | { | |
4260 | dump_type (indent, p); | |
4261 | p = p->next; | |
4262 | } | |
4263 | } | |
4264 | ||
4265 | static htab_t seen_types; | |
4266 | ||
4267 | /* Recursively dumps the type T if it was not dumped previously. */ | |
4268 | ||
4269 | static void | |
4270 | dump_type (int indent, type_p t) | |
4271 | { | |
4272 | PTR *slot; | |
4273 | ||
01c8b828 | 4274 | printf ("%*cType at %p: ", indent, ' ', (void *) t); |
e3b362c8 | 4275 | slot = htab_find_slot (seen_types, t, INSERT); |
4276 | if (*slot != NULL) | |
4277 | { | |
4278 | printf ("already seen.\n"); | |
4279 | return; | |
4280 | } | |
4281 | *slot = t; | |
4282 | printf ("\n"); | |
4283 | ||
4284 | dump_typekind (indent, t->kind); | |
4285 | printf ("%*cpointer_to = %p\n", indent + INDENT, ' ', | |
01c8b828 | 4286 | (void *) t->pointer_to); |
e3b362c8 | 4287 | dump_gc_used (indent + INDENT, t->gc_used); |
4288 | switch (t->kind) | |
4289 | { | |
4290 | case TYPE_SCALAR: | |
4291 | printf ("%*cscalar_is_char = %s\n", indent + INDENT, ' ', | |
4292 | t->u.scalar_is_char ? "true" : "false"); | |
4293 | break; | |
4294 | case TYPE_STRING: | |
4295 | break; | |
4296 | case TYPE_STRUCT: | |
4297 | case TYPE_UNION: | |
4298 | case TYPE_LANG_STRUCT: | |
4299 | dump_type_u_s (indent + INDENT, t); | |
4300 | break; | |
4301 | case TYPE_POINTER: | |
4302 | printf ("%*cp:\n", indent + INDENT, ' '); | |
4303 | dump_type (indent + INDENT, t->u.p); | |
4304 | break; | |
4305 | case TYPE_ARRAY: | |
4306 | dump_type_u_a (indent + INDENT, t); | |
4307 | break; | |
4308 | case TYPE_PARAM_STRUCT: | |
4309 | dump_type_u_param_struct (indent + INDENT, t); | |
4310 | break; | |
4311 | default: | |
4312 | gcc_unreachable (); | |
4313 | } | |
01c8b828 | 4314 | printf ("%*cEnd of type at %p\n", indent, ' ', (void *) t); |
e3b362c8 | 4315 | } |
4316 | ||
4317 | /* Dumps the pair P. */ | |
4318 | ||
4319 | static void | |
4320 | dump_pair (int indent, pair_p p) | |
4321 | { | |
4322 | printf ("%*cpair: name = %s\n", indent, ' ', p->name); | |
4323 | dump_type (indent, p->type); | |
4324 | dump_fileloc (indent, p->line); | |
4325 | dump_options (indent, p->opt); | |
4326 | printf ("%*cEnd of pair %s\n", indent, ' ', p->name); | |
4327 | } | |
4328 | ||
4329 | /* Dumps the list of pairs PP. */ | |
4330 | ||
4331 | static void | |
01c8b828 | 4332 | dump_pair_list (const char *name, pair_p pp) |
e3b362c8 | 4333 | { |
4334 | pair_p p; | |
4335 | printf ("%s:\n", name); | |
4336 | for (p = pp; p != NULL; p = p->next) | |
4337 | dump_pair (0, p); | |
4338 | printf ("End of %s\n\n", name); | |
4339 | } | |
4340 | ||
4341 | /* Dumps the STRUCTURES. */ | |
4342 | ||
4343 | static void | |
01c8b828 | 4344 | dump_structures (const char *name, type_p structures) |
e3b362c8 | 4345 | { |
4346 | printf ("%s:\n", name); | |
4347 | dump_type_list (0, structures); | |
4348 | printf ("End of %s\n\n", name); | |
4349 | } | |
4350 | ||
4351 | /* Dumps the internal structures of gengtype. */ | |
4352 | ||
4353 | static void | |
4354 | dump_everything (void) | |
4355 | { | |
4356 | seen_types = htab_create (100, htab_hash_pointer, htab_eq_pointer, NULL); | |
4357 | dump_pair_list ("typedefs", typedefs); | |
4358 | dump_structures ("structures", structures); | |
4359 | dump_structures ("param_structs", param_structs); | |
4360 | dump_pair_list ("variables", variables); | |
4361 | htab_delete (seen_types); | |
4362 | } | |
1f3233d1 | 4363 | \f |
01c8b828 | 4364 | |
1fdf44f0 | 4365 | |
4366 | /* Option specification for getopt_long. */ | |
4367 | static const struct option gengtype_long_options[] = { | |
4368 | {"help", no_argument, NULL, 'h'}, | |
4369 | {"version", no_argument, NULL, 'V'}, | |
e62e715c | 4370 | {"verbose", no_argument, NULL, 'v'}, |
1fdf44f0 | 4371 | {"dump", no_argument, NULL, 'd'}, |
4372 | {"debug", no_argument, NULL, 'D'}, | |
4373 | {"plugin", required_argument, NULL, 'P'}, | |
4374 | {"srcdir", required_argument, NULL, 'S'}, | |
e62e715c | 4375 | {"backupdir", required_argument, NULL, 'B'}, |
1fdf44f0 | 4376 | {"inputs", required_argument, NULL, 'I'}, |
4377 | {"read-state", required_argument, NULL, 'r'}, | |
4378 | {"write-state", required_argument, NULL, 'w'}, | |
4379 | /* Terminating NULL placeholder. */ | |
4380 | {NULL, no_argument, NULL, 0}, | |
4381 | }; | |
4382 | ||
4383 | ||
4384 | static void | |
4385 | print_usage (void) | |
4386 | { | |
4387 | printf ("Usage: %s\n", progname); | |
4388 | printf ("\t -h | --help " " \t# Give this help.\n"); | |
4389 | printf ("\t -D | --debug " | |
4390 | " \t# Give debug output to debug %s itself.\n", progname); | |
4391 | printf ("\t -V | --version " " \t# Give version information.\n"); | |
e62e715c | 4392 | printf ("\t -v | --verbose \t# Increase verbosity. Can be given several times.\n"); |
1fdf44f0 | 4393 | printf ("\t -d | --dump " " \t# Dump state for debugging.\n"); |
4394 | printf ("\t -P | --plugin <output-file> <plugin-src> ... " | |
4395 | " \t# Generate for plugin.\n"); | |
4396 | printf ("\t -S | --srcdir <GCC-directory> " | |
4397 | " \t# Specify the GCC source directory.\n"); | |
e62e715c | 4398 | printf ("\t -B | --backupdir <directory> " |
4399 | " \t# Specify the backup directory for updated files.\n"); | |
1fdf44f0 | 4400 | printf ("\t -I | --inputs <input-list> " |
4401 | " \t# Specify the file with source files list.\n"); | |
4402 | printf ("\t -w | --write-state <state-file> " " \t# Write a state file.\n"); | |
4403 | printf ("\t -r | --read-state <state-file> " " \t# Read a state file.\n"); | |
4404 | } | |
4405 | ||
4406 | static void | |
4407 | print_version (void) | |
4408 | { | |
4409 | printf ("%s %s%s\n", progname, pkgversion_string, version_string); | |
4410 | printf ("Report bugs: %s\n", bug_report_url); | |
4411 | } | |
4412 | ||
4413 | /* Parse the program options using getopt_long... */ | |
4414 | static void | |
4415 | parse_program_options (int argc, char **argv) | |
4416 | { | |
4417 | int opt = -1; | |
e62e715c | 4418 | while ((opt = getopt_long (argc, argv, "hVvdP:S:B:I:w:r:D", |
1fdf44f0 | 4419 | gengtype_long_options, NULL)) >= 0) |
4420 | { | |
4421 | switch (opt) | |
4422 | { | |
4423 | case 'h': /* --help */ | |
4424 | print_usage (); | |
4425 | break; | |
4426 | case 'V': /* --version */ | |
4427 | print_version (); | |
4428 | break; | |
4429 | case 'd': /* --dump */ | |
4430 | do_dump = 1; | |
4431 | break; | |
4432 | case 'D': /* --debug */ | |
4433 | do_debug = 1; | |
4434 | break; | |
e62e715c | 4435 | case 'v': /* --verbose */ |
4436 | verbosity_level++; | |
4437 | break; | |
1fdf44f0 | 4438 | case 'P': /* --plugin */ |
4439 | if (optarg) | |
4440 | plugin_output_filename = optarg; | |
4441 | else | |
4442 | fatal ("missing plugin output file name"); | |
4443 | break; | |
4444 | case 'S': /* --srcdir */ | |
4445 | if (optarg) | |
4446 | srcdir = optarg; | |
4447 | else | |
4448 | fatal ("missing source directory"); | |
4449 | srcdir_len = strlen (srcdir); | |
4450 | break; | |
e62e715c | 4451 | case 'B': /* --backupdir */ |
4452 | if (optarg) | |
4453 | backup_dir = optarg; | |
4454 | else | |
4455 | fatal ("missing backup directory"); | |
4456 | break; | |
1fdf44f0 | 4457 | case 'I': /* --inputs */ |
4458 | if (optarg) | |
4459 | inputlist = optarg; | |
4460 | else | |
4461 | fatal ("missing input list"); | |
4462 | break; | |
4463 | case 'r': /* --read-state */ | |
4464 | if (optarg) | |
4465 | read_state_filename = optarg; | |
4466 | else | |
4467 | fatal ("missing read state file"); | |
4468 | DBGPRINTF ("read state %s\n", optarg); | |
4469 | break; | |
4470 | case 'w': /* --write-state */ | |
4471 | DBGPRINTF ("write state %s\n", optarg); | |
4472 | if (optarg) | |
4473 | write_state_filename = optarg; | |
4474 | else | |
4475 | fatal ("missing write state file"); | |
4476 | break; | |
4477 | default: | |
4478 | fprintf (stderr, "%s: unknown flag '%c'\n", progname, opt); | |
4479 | print_usage (); | |
4480 | fatal ("unexpected flag"); | |
4481 | } | |
4482 | }; | |
4483 | if (plugin_output_filename) | |
4484 | { | |
4485 | /* In plugin mode we require some input files. */ | |
4486 | int i = 0; | |
4487 | if (optind >= argc) | |
4488 | fatal ("no source files given in plugin mode"); | |
4489 | nb_plugin_files = argc - optind; | |
7e79a371 | 4490 | plugin_files = XNEWVEC (char*, nb_plugin_files); |
1fdf44f0 | 4491 | for (i = 0; i < (int) nb_plugin_files; i++) |
4492 | { | |
4493 | char *name = argv[i + optind]; | |
4494 | plugin_files[i] = name; | |
4495 | } | |
4496 | } | |
4497 | } | |
4498 | ||
4499 | ||
1a97be37 | 4500 | int |
570af75a | 4501 | main (int argc, char **argv) |
1f3233d1 | 4502 | { |
570af75a | 4503 | size_t i; |
1fdf44f0 | 4504 | static struct fileloc pos = { NULL, 0 }; |
ae8a3b92 | 4505 | outf_p output_header; |
570af75a | 4506 | |
1fdf44f0 | 4507 | /* Mandatory common initializations. */ |
4508 | progname = "gengtype"; /* For fatal and messages. */ | |
4509 | /* Set the scalar_is_char union number for predefined scalar types. */ | |
4510 | scalar_nonchar.u.scalar_is_char = FALSE; | |
4511 | scalar_char.u.scalar_is_char = TRUE; | |
4512 | ||
4513 | parse_program_options (argc, argv); | |
4514 | ||
4515 | #if ENABLE_CHECKING | |
4516 | if (do_debug) | |
e3b362c8 | 4517 | { |
1fdf44f0 | 4518 | time_t now = (time_t) 0; |
4519 | time (&now); | |
4520 | DBGPRINTF ("gengtype started pid %d at %s", | |
4521 | (int) getpid (), ctime (&now)); | |
e3b362c8 | 4522 | } |
1fdf44f0 | 4523 | #endif /* ENABLE_CHECKING */ |
e3b362c8 | 4524 | |
1fdf44f0 | 4525 | /* Parse the input list and the input files. */ |
4526 | DBGPRINTF ("inputlist %s", inputlist); | |
4527 | if (read_state_filename) | |
9dc75945 | 4528 | { |
1fdf44f0 | 4529 | fatal ("read state %s not implemented yet", read_state_filename); |
4530 | /* TODO: implement read state. */ | |
9dc75945 | 4531 | } |
1fdf44f0 | 4532 | else if (inputlist) |
9dc75945 | 4533 | { |
1fdf44f0 | 4534 | /* These types are set up with #define or else outside of where |
4535 | we can see them. We should initialize them before calling | |
4536 | read_input_list. */ | |
506a83ff | 4537 | #define POS_HERE(Call) do { pos.file = this_file; pos.line = __LINE__; \ |
4538 | Call;} while(0) | |
4539 | POS_HERE (do_scalar_typedef ("CUMULATIVE_ARGS", &pos)); | |
4540 | POS_HERE (do_scalar_typedef ("REAL_VALUE_TYPE", &pos)); | |
4541 | POS_HERE (do_scalar_typedef ("FIXED_VALUE_TYPE", &pos)); | |
4542 | POS_HERE (do_scalar_typedef ("double_int", &pos)); | |
4543 | POS_HERE (do_scalar_typedef ("uint64_t", &pos)); | |
4544 | POS_HERE (do_scalar_typedef ("uint8", &pos)); | |
4545 | POS_HERE (do_scalar_typedef ("jword", &pos)); | |
4546 | POS_HERE (do_scalar_typedef ("JCF_u2", &pos)); | |
4547 | POS_HERE (do_scalar_typedef ("void", &pos)); | |
4548 | POS_HERE (do_typedef ("PTR", | |
4549 | create_pointer (resolve_typedef ("void", &pos)), | |
4550 | &pos)); | |
4551 | #undef POS_HERE | |
1fdf44f0 | 4552 | read_input_list (inputlist); |
4553 | for (i = 0; i < num_gt_files; i++) | |
4554 | { | |
4555 | parse_file (gt_files[i]); | |
4556 | DBGPRINTF ("parsed file #%d %s", (int) i, gt_files[i]); | |
4557 | } | |
e62e715c | 4558 | if (verbosity_level >= 1) |
4559 | printf ("%s parsed %d files\n", progname, (int) num_gt_files); | |
4560 | ||
1fdf44f0 | 4561 | DBGPRINT_COUNT_TYPE ("structures after parsing", structures); |
4562 | DBGPRINT_COUNT_TYPE ("param_structs after parsing", param_structs); | |
4563 | ||
48e1416a | 4564 | } |
9dc75945 | 4565 | else |
1fdf44f0 | 4566 | fatal ("either an input list or a read state file should be given"); |
570af75a | 4567 | if (hit_error) |
4568 | return 1; | |
4569 | ||
80da8e25 | 4570 | |
1fdf44f0 | 4571 | if (plugin_output_filename) |
4572 | { | |
4573 | size_t ix = 0; | |
4574 | /* In plugin mode, we should have read a state file, and have | |
4575 | given at least one plugin file. */ | |
4576 | if (!read_state_filename) | |
4577 | fatal ("No read state given in plugin mode for %s", | |
4578 | plugin_output_filename); | |
4579 | ||
7e79a371 | 4580 | if (nb_plugin_files == 0 || !plugin_files) |
1fdf44f0 | 4581 | fatal ("No plugin files given in plugin mode for %s", |
4582 | plugin_output_filename); | |
4583 | ||
4584 | /* Parse our plugin files. */ | |
4585 | for (ix = 0; ix < nb_plugin_files; ix++) | |
4586 | parse_file (plugin_files[ix]); | |
4587 | ||
4588 | if (hit_error) | |
4589 | return 1; | |
1f3233d1 | 4590 | |
1fdf44f0 | 4591 | plugin_output = create_file ("GCC", plugin_output_filename); |
4592 | DBGPRINTF ("created plugin_output %p named %s", | |
4593 | (void *) plugin_output, plugin_output->name); | |
4594 | } | |
4595 | else | |
4596 | { /* No plugin files, we are in normal mode. */ | |
4597 | if (!srcdir) | |
4598 | fatal ("gengtype needs a source directory in normal mode"); | |
4599 | } | |
1e837561 | 4600 | if (hit_error) |
4097676c | 4601 | return 1; |
1f3233d1 | 4602 | |
1fdf44f0 | 4603 | gen_rtx_next (); |
4604 | ||
4605 | /* The call to set_gc_used may indirectly call find_param_structure | |
4606 | hence enlarge the param_structs list of types. */ | |
1f3233d1 | 4607 | set_gc_used (variables); |
4608 | ||
1fdf44f0 | 4609 | /* We should write the state here, but it is not yet implemented. */ |
4610 | if (write_state_filename) | |
4611 | { | |
4612 | fatal ("write state %s in not yet implemented", write_state_filename); | |
4613 | /* TODO: implement write state. */ | |
4614 | } | |
4615 | ||
4616 | ||
1f3233d1 | 4617 | open_base_files (); |
1fdf44f0 | 4618 | |
c849df63 | 4619 | write_enum_defn (structures, param_structs); |
ba72912a | 4620 | write_typed_alloc_defns (structures, typedefs); |
ae8a3b92 | 4621 | output_header = plugin_output ? plugin_output : header_file; |
1fdf44f0 | 4622 | DBGPRINT_COUNT_TYPE ("structures before write_types outputheader", |
4623 | structures); | |
4624 | DBGPRINT_COUNT_TYPE ("param_structs before write_types outputheader", | |
4625 | param_structs); | |
4626 | ||
ae8a3b92 | 4627 | write_types (output_header, structures, param_structs, &ggc_wtd); |
f15c9485 | 4628 | if (plugin_files == NULL) |
67b6ca97 | 4629 | { |
1fdf44f0 | 4630 | DBGPRINT_COUNT_TYPE ("structures before write_types headerfil", |
4631 | structures); | |
4632 | DBGPRINT_COUNT_TYPE ("param_structs before write_types headerfil", | |
4633 | param_structs); | |
67b6ca97 | 4634 | write_types (header_file, structures, param_structs, &pch_wtd); |
4635 | write_local (header_file, structures, param_structs); | |
4636 | } | |
ba72912a | 4637 | write_splay_tree_allocators (param_structs); |
f15c9485 | 4638 | write_roots (variables, plugin_files == NULL); |
c849df63 | 4639 | write_rtx_next (); |
1f3233d1 | 4640 | close_output_files (); |
4641 | ||
e3b362c8 | 4642 | if (do_dump) |
4643 | dump_everything (); | |
4644 | ||
1fdf44f0 | 4645 | /* Don't bother about free-ing any input or plugin file, etc. */ |
c5b683ff | 4646 | |
1e837561 | 4647 | if (hit_error) |
4648 | return 1; | |
4649 | return 0; | |
1f3233d1 | 4650 | } |