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1f3233d1 | 1 | /* Process source files and output type information. |
4143d08b | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
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" |
8fda3262 | 28 | #include "xregex.h" |
29 | #include "obstack.h" | |
1fdf44f0 | 30 | #include "gengtype.h" |
82715bcd | 31 | #include "filenames.h" |
acfcaf8d | 32 | |
4097676c | 33 | /* Data types, macros, etc. used only in this file. */ |
34 | ||
4097676c | 35 | |
36 | /* The list of output files. */ | |
1fdf44f0 | 37 | outf_p output_files; |
38 | ||
39 | /* The output header file that is included into pretty much every | |
40 | source file. */ | |
41 | outf_p header_file; | |
42 | ||
43 | ||
44 | /* The name of the file containing the list of input files. */ | |
45 | static char *inputlist; | |
4097676c | 46 | |
9dc75945 | 47 | /* The plugin input files and their number; in that case only |
242994e0 | 48 | a single file is produced. */ |
dc8a8bf5 | 49 | static input_file **plugin_files; |
c5b683ff | 50 | static size_t nb_plugin_files; |
1fdf44f0 | 51 | |
52 | /* The generated plugin output file and name. */ | |
ae8a3b92 | 53 | static outf_p plugin_output; |
1fdf44f0 | 54 | static char *plugin_output_filename; |
9dc75945 | 55 | |
1fdf44f0 | 56 | /* Our source directory and its length. */ |
57 | const char *srcdir; | |
58 | size_t srcdir_len; | |
4097676c | 59 | |
1fdf44f0 | 60 | /* Variables used for reading and writing the state. */ |
61 | const char *read_state_filename; | |
62 | const char *write_state_filename; | |
4097676c | 63 | |
1fdf44f0 | 64 | /* Variables to help debugging. */ |
65 | int do_dump; | |
66 | int do_debug; | |
4097676c | 67 | |
e62e715c | 68 | /* Level for verbose messages. */ |
69 | int verbosity_level; | |
70 | ||
463ae493 | 71 | /* We have a type count and use it to set the state_number of newly |
72 | allocated types to some unique negative number. */ | |
73 | static int type_count; | |
74 | ||
e62e715c | 75 | /* The backup directory should be in the same file system as the |
76 | generated files, otherwise the rename(2) system call would fail. | |
77 | If NULL, no backup is made when overwriting a generated file. */ | |
78 | static const char* backup_dir; /* (-B) program option. */ | |
79 | ||
80 | ||
4097676c | 81 | static outf_p create_file (const char *, const char *); |
2ac441f7 | 82 | |
dc8a8bf5 | 83 | static const char *get_file_basename (const input_file *); |
84 | static const char *get_file_realbasename (const input_file *); | |
2ac441f7 | 85 | |
86 | static int get_prefix_langdir_index (const char *); | |
dc8a8bf5 | 87 | static const char *get_file_langdir (const input_file *); |
4097676c | 88 | \f |
01c8b828 | 89 | |
155e048d | 90 | /* Nonzero iff an error has occurred. */ |
1e837561 | 91 | bool hit_error = false; |
155e048d | 92 | |
1a97be37 | 93 | static void gen_rtx_next (void); |
94 | static void write_rtx_next (void); | |
95 | static void open_base_files (void); | |
96 | static void close_output_files (void); | |
4b6ffd1b | 97 | |
155e048d | 98 | /* Report an error at POS, printing MSG. */ |
99 | ||
1f3233d1 | 100 | void |
e3b362c8 | 101 | error_at_line (const struct fileloc *pos, const char *msg, ...) |
1f3233d1 | 102 | { |
ee582a61 | 103 | va_list ap; |
1a97be37 | 104 | |
dc8a8bf5 | 105 | gcc_assert (pos != NULL && pos->file != NULL); |
ee582a61 | 106 | va_start (ap, msg); |
1f3233d1 | 107 | |
dc8a8bf5 | 108 | fprintf (stderr, "%s:%d: ", get_input_file_name (pos->file), pos->line); |
1f3233d1 | 109 | vfprintf (stderr, msg, ap); |
110 | fputc ('\n', stderr); | |
1e837561 | 111 | hit_error = true; |
1f3233d1 | 112 | |
ee582a61 | 113 | va_end (ap); |
1f3233d1 | 114 | } |
115 | ||
4097676c | 116 | /* asprintf, but produces fatal message on out-of-memory. */ |
1e837561 | 117 | char * |
ee582a61 | 118 | xasprintf (const char *format, ...) |
92570e7a | 119 | { |
4097676c | 120 | int n; |
92570e7a | 121 | char *result; |
ee582a61 | 122 | va_list ap; |
1a97be37 | 123 | |
ee582a61 | 124 | va_start (ap, format); |
4097676c | 125 | n = vasprintf (&result, format, ap); |
126 | if (result == NULL || n < 0) | |
127 | fatal ("out of memory"); | |
ee582a61 | 128 | va_end (ap); |
4097676c | 129 | |
92570e7a | 130 | return result; |
131 | } | |
570af75a | 132 | \f |
133 | /* Input file handling. */ | |
134 | ||
135 | /* Table of all input files. */ | |
dc8a8bf5 | 136 | const input_file **gt_files; |
137 | size_t num_gt_files; | |
570af75a | 138 | |
dc8a8bf5 | 139 | /* A number of places use the name of this "gengtype.c" file for a |
1fdf44f0 | 140 | location for things that we can't rely on the source to define. |
141 | Make sure we can still use pointer comparison on filenames. */ | |
dc8a8bf5 | 142 | input_file* this_file; |
1fdf44f0 | 143 | /* The "system.h" file is likewise specially useful. */ |
dc8a8bf5 | 144 | input_file* system_h_file; |
1e837561 | 145 | |
570af75a | 146 | /* Vector of per-language directories. */ |
dc8a8bf5 | 147 | const char **lang_dir_names; |
148 | size_t num_lang_dirs; | |
570af75a | 149 | |
150 | /* An array of output files suitable for definitions. There is one | |
151 | BASE_FILES entry for each language. */ | |
152 | static outf_p *base_files; | |
153 | ||
570af75a | 154 | |
1fdf44f0 | 155 | |
156 | #if ENABLE_CHECKING | |
157 | /* Utility debugging function, printing the various type counts within | |
158 | a list of types. Called thru the DBGPRINT_COUNT_TYPE macro. */ | |
159 | void | |
160 | dbgprint_count_type_at (const char *fil, int lin, const char *msg, type_p t) | |
161 | { | |
162 | int nb_types = 0, nb_scalar = 0, nb_string = 0; | |
163 | int nb_struct = 0, nb_union = 0, nb_array = 0, nb_pointer = 0; | |
164 | int nb_lang_struct = 0, nb_param_struct = 0; | |
165 | type_p p = NULL; | |
166 | for (p = t; p; p = p->next) | |
167 | { | |
168 | nb_types++; | |
169 | switch (p->kind) | |
170 | { | |
171 | case TYPE_SCALAR: | |
172 | nb_scalar++; | |
173 | break; | |
174 | case TYPE_STRING: | |
175 | nb_string++; | |
176 | break; | |
177 | case TYPE_STRUCT: | |
178 | nb_struct++; | |
179 | break; | |
180 | case TYPE_UNION: | |
181 | nb_union++; | |
182 | break; | |
183 | case TYPE_POINTER: | |
184 | nb_pointer++; | |
185 | break; | |
186 | case TYPE_ARRAY: | |
187 | nb_array++; | |
188 | break; | |
189 | case TYPE_LANG_STRUCT: | |
190 | nb_lang_struct++; | |
191 | break; | |
192 | case TYPE_PARAM_STRUCT: | |
193 | nb_param_struct++; | |
194 | break; | |
195 | default: | |
196 | gcc_unreachable (); | |
197 | } | |
198 | } | |
199 | fprintf (stderr, "\n" "%s:%d: %s: @@%%@@ %d types ::\n", | |
200 | lbasename (fil), lin, msg, nb_types); | |
201 | if (nb_scalar > 0 || nb_string > 0) | |
202 | fprintf (stderr, "@@%%@@ %d scalars, %d strings\n", nb_scalar, nb_string); | |
203 | if (nb_struct > 0 || nb_union > 0) | |
204 | fprintf (stderr, "@@%%@@ %d structs, %d unions\n", nb_struct, nb_union); | |
205 | if (nb_pointer > 0 || nb_array > 0) | |
206 | fprintf (stderr, "@@%%@@ %d pointers, %d arrays\n", nb_pointer, nb_array); | |
207 | if (nb_lang_struct > 0 || nb_param_struct > 0) | |
208 | fprintf (stderr, "@@%%@@ %d lang_structs, %d param_structs\n", | |
209 | nb_lang_struct, nb_param_struct); | |
210 | fprintf (stderr, "\n"); | |
211 | } | |
212 | #endif /* ENABLE_CHECKING */ | |
213 | ||
570af75a | 214 | /* Scan the input file, LIST, and determine how much space we need to |
215 | store strings in. Also, count the number of language directories | |
216 | and files. The numbers returned are overestimates as they does not | |
217 | consider repeated files. */ | |
218 | static size_t | |
219 | measure_input_list (FILE *list) | |
220 | { | |
221 | size_t n = 0; | |
222 | int c; | |
223 | bool atbol = true; | |
224 | num_lang_dirs = 0; | |
9dc75945 | 225 | num_gt_files = plugin_files ? nb_plugin_files : 0; |
570af75a | 226 | while ((c = getc (list)) != EOF) |
227 | { | |
228 | n++; | |
229 | if (atbol) | |
230 | { | |
231 | if (c == '[') | |
232 | num_lang_dirs++; | |
233 | else | |
234 | { | |
235 | /* Add space for a lang_bitmap before the input file name. */ | |
236 | n += sizeof (lang_bitmap); | |
237 | num_gt_files++; | |
238 | } | |
239 | atbol = false; | |
240 | } | |
241 | ||
242 | if (c == '\n') | |
243 | atbol = true; | |
244 | } | |
245 | ||
246 | rewind (list); | |
247 | return n; | |
248 | } | |
249 | ||
250 | /* Read one input line from LIST to HEREP (which is updated). A | |
251 | pointer to the string is returned via LINEP. If it was a language | |
252 | subdirectory in square brackets, strip off the square brackets and | |
253 | return true. Otherwise, leave space before the string for a | |
254 | lang_bitmap, and return false. At EOF, returns false, does not | |
255 | touch *HEREP, and sets *LINEP to NULL. POS is used for | |
256 | diagnostics. */ | |
257 | static bool | |
01c8b828 | 258 | read_input_line (FILE *list, char **herep, char **linep, struct fileloc *pos) |
570af75a | 259 | { |
260 | char *here = *herep; | |
261 | char *line; | |
262 | int c = getc (list); | |
263 | ||
fd4a16cd | 264 | /* Read over whitespace. */ |
265 | while (c == '\n' || c == ' ') | |
266 | c = getc (list); | |
267 | ||
570af75a | 268 | if (c == EOF) |
269 | { | |
270 | *linep = 0; | |
271 | return false; | |
272 | } | |
273 | else if (c == '[') | |
274 | { | |
275 | /* No space for a lang_bitmap is necessary. Discard the '['. */ | |
276 | c = getc (list); | |
277 | line = here; | |
278 | while (c != ']' && c != '\n' && c != EOF) | |
279 | { | |
280 | *here++ = c; | |
281 | c = getc (list); | |
282 | } | |
283 | *here++ = '\0'; | |
284 | ||
285 | if (c == ']') | |
286 | { | |
01c8b828 | 287 | c = getc (list); /* eat what should be a newline */ |
570af75a | 288 | if (c != '\n' && c != EOF) |
289 | error_at_line (pos, "junk on line after language tag [%s]", line); | |
290 | } | |
291 | else | |
01c8b828 | 292 | error_at_line (pos, "missing close bracket for language tag [%s", |
293 | line); | |
570af75a | 294 | |
295 | *herep = here; | |
296 | *linep = line; | |
297 | return true; | |
298 | } | |
299 | else | |
300 | { | |
301 | /* Leave space for a lang_bitmap. */ | |
302 | memset (here, 0, sizeof (lang_bitmap)); | |
303 | here += sizeof (lang_bitmap); | |
304 | line = here; | |
305 | do | |
306 | { | |
307 | *here++ = c; | |
308 | c = getc (list); | |
309 | } | |
310 | while (c != EOF && c != '\n'); | |
311 | *here++ = '\0'; | |
312 | *herep = here; | |
313 | *linep = line; | |
314 | return false; | |
315 | } | |
316 | } | |
317 | ||
318 | /* Read the list of input files from LIST and compute all of the | |
319 | relevant tables. There is one file per line of the list. At | |
320 | first, all the files on the list are language-generic, but | |
321 | eventually a line will appear which is the name of a language | |
322 | subdirectory in square brackets, like this: [cp]. All subsequent | |
323 | files are specific to that language, until another language | |
324 | subdirectory tag appears. Files can appear more than once, if | |
325 | they apply to more than one language. */ | |
326 | static void | |
327 | read_input_list (const char *listname) | |
328 | { | |
329 | FILE *list = fopen (listname, "r"); | |
330 | if (!list) | |
8fb69344 | 331 | fatal ("cannot open %s: %s", listname, xstrerror (errno)); |
570af75a | 332 | else |
333 | { | |
334 | struct fileloc epos; | |
335 | size_t bufsz = measure_input_list (list); | |
336 | char *buf = XNEWVEC (char, bufsz); | |
337 | char *here = buf; | |
338 | char *committed = buf; | |
339 | char *limit = buf + bufsz; | |
340 | char *line; | |
341 | bool is_language; | |
342 | size_t langno = 0; | |
343 | size_t nfiles = 0; | |
344 | lang_bitmap curlangs = (1 << num_lang_dirs) - 1; | |
345 | ||
dc8a8bf5 | 346 | epos.file = input_file_by_name (listname); |
570af75a | 347 | epos.line = 0; |
348 | ||
349 | lang_dir_names = XNEWVEC (const char *, num_lang_dirs); | |
dc8a8bf5 | 350 | gt_files = XNEWVEC (const input_file *, num_gt_files); |
570af75a | 351 | |
352 | for (;;) | |
353 | { | |
354 | next_line: | |
355 | epos.line++; | |
356 | committed = here; | |
357 | is_language = read_input_line (list, &here, &line, &epos); | |
358 | gcc_assert (here <= limit); | |
359 | if (line == 0) | |
360 | break; | |
361 | else if (is_language) | |
362 | { | |
363 | size_t i; | |
364 | gcc_assert (langno <= num_lang_dirs); | |
365 | for (i = 0; i < langno; i++) | |
366 | if (strcmp (lang_dir_names[i], line) == 0) | |
367 | { | |
01c8b828 | 368 | error_at_line (&epos, "duplicate language tag [%s]", |
369 | line); | |
570af75a | 370 | curlangs = 1 << i; |
371 | here = committed; | |
372 | goto next_line; | |
373 | } | |
374 | ||
375 | curlangs = 1 << langno; | |
376 | lang_dir_names[langno++] = line; | |
377 | } | |
378 | else | |
379 | { | |
380 | size_t i; | |
dc8a8bf5 | 381 | input_file *inpf = input_file_by_name (line); |
570af75a | 382 | gcc_assert (nfiles <= num_gt_files); |
383 | for (i = 0; i < nfiles; i++) | |
dc8a8bf5 | 384 | /* Since the input_file-s are uniquely hash-consed, we |
385 | can just compare pointers! */ | |
386 | if (gt_files[i] == inpf) | |
570af75a | 387 | { |
388 | /* Throw away the string we just read, and add the | |
389 | current language to the existing string's bitmap. */ | |
dc8a8bf5 | 390 | lang_bitmap bmap = get_lang_bitmap (inpf); |
570af75a | 391 | if (bmap & curlangs) |
01c8b828 | 392 | error_at_line (&epos, |
393 | "file %s specified more than once " | |
394 | "for language %s", line, | |
395 | langno == | |
396 | 0 ? "(all)" : lang_dir_names[langno - | |
397 | 1]); | |
570af75a | 398 | |
399 | bmap |= curlangs; | |
dc8a8bf5 | 400 | set_lang_bitmap (inpf, bmap); |
570af75a | 401 | here = committed; |
402 | goto next_line; | |
403 | } | |
404 | ||
dc8a8bf5 | 405 | set_lang_bitmap (inpf, curlangs); |
406 | gt_files[nfiles++] = inpf; | |
570af75a | 407 | } |
408 | } | |
409 | /* Update the global counts now that we know accurately how many | |
01c8b828 | 410 | things there are. (We do not bother resizing the arrays down.) */ |
570af75a | 411 | num_lang_dirs = langno; |
9dc75945 | 412 | /* Add the plugin files if provided. */ |
48e1416a | 413 | if (plugin_files) |
9dc75945 | 414 | { |
c5b683ff | 415 | size_t i; |
9dc75945 | 416 | for (i = 0; i < nb_plugin_files; i++) |
417 | gt_files[nfiles++] = plugin_files[i]; | |
418 | } | |
570af75a | 419 | num_gt_files = nfiles; |
420 | } | |
421 | ||
422 | /* Sanity check: any file that resides in a language subdirectory | |
423 | (e.g. 'cp') ought to belong to the corresponding language. | |
424 | ??? Still true if for instance ObjC++ is enabled and C++ isn't? | |
425 | (Can you even do that? Should you be allowed to?) */ | |
426 | { | |
427 | size_t f; | |
428 | for (f = 0; f < num_gt_files; f++) | |
429 | { | |
430 | lang_bitmap bitmap = get_lang_bitmap (gt_files[f]); | |
431 | const char *basename = get_file_basename (gt_files[f]); | |
432 | const char *slashpos = strchr (basename, '/'); | |
82715bcd | 433 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
434 | const char *slashpos2 = strchr (basename, '\\'); | |
435 | ||
436 | if (!slashpos || (slashpos2 && slashpos2 < slashpos)) | |
437 | slashpos = slashpos2; | |
438 | #endif | |
570af75a | 439 | |
440 | if (slashpos) | |
441 | { | |
442 | size_t l; | |
443 | for (l = 0; l < num_lang_dirs; l++) | |
01c8b828 | 444 | if ((size_t) (slashpos - basename) == strlen (lang_dir_names[l]) |
570af75a | 445 | && memcmp (basename, lang_dir_names[l], |
446 | strlen (lang_dir_names[l])) == 0) | |
447 | { | |
448 | if (!(bitmap & (1 << l))) | |
449 | error ("%s is in language directory '%s' but is not " | |
450 | "tagged for that language", | |
451 | basename, lang_dir_names[l]); | |
452 | break; | |
453 | } | |
01c8b828 | 454 | } |
570af75a | 455 | } |
456 | } | |
457 | ||
458 | if (ferror (list)) | |
8fb69344 | 459 | fatal ("error reading %s: %s", listname, xstrerror (errno)); |
570af75a | 460 | |
461 | fclose (list); | |
462 | } | |
01c8b828 | 463 | \f |
570af75a | 464 | |
465 | ||
155e048d | 466 | /* The one and only TYPE_STRING. */ |
467 | ||
8be1803e | 468 | struct type string_type = { |
469 | TYPE_STRING, 0, 0, 0, GC_USED, {0} | |
80da8e25 | 470 | }; |
471 | ||
472 | /* The two and only TYPE_SCALARs. Their u.scalar_is_char flags are | |
8be1803e | 473 | set early in main. */ |
80da8e25 | 474 | |
8be1803e | 475 | struct type scalar_nonchar = { |
476 | TYPE_SCALAR, 0, 0, 0, GC_USED, {0} | |
80da8e25 | 477 | }; |
01c8b828 | 478 | |
8be1803e | 479 | struct type scalar_char = { |
480 | TYPE_SCALAR, 0, 0, 0, GC_USED, {0} | |
1a97be37 | 481 | }; |
1f3233d1 | 482 | |
155e048d | 483 | /* Lists of various things. */ |
484 | ||
8be1803e | 485 | pair_p typedefs; |
486 | type_p structures; | |
487 | type_p param_structs; | |
488 | pair_p variables; | |
1f3233d1 | 489 | |
01c8b828 | 490 | static type_p find_param_structure (type_p t, type_p param[NUM_PARAM]); |
1a97be37 | 491 | static type_p adjust_field_tree_exp (type_p t, options_p opt); |
492 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
c849df63 | 493 | |
155e048d | 494 | /* Define S as a typedef to T at POS. */ |
495 | ||
1f3233d1 | 496 | void |
1a97be37 | 497 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
1f3233d1 | 498 | { |
499 | pair_p p; | |
500 | ||
9c85a98a | 501 | /* temporary kludge - gengtype doesn't handle conditionals or |
502 | macros. Ignore any attempt to typedef CUMULATIVE_ARGS, unless it | |
503 | is coming from this file (main() sets them up with safe dummy | |
504 | definitions). */ | |
505 | if (!strcmp (s, "CUMULATIVE_ARGS") && pos->file != this_file) | |
1e837561 | 506 | return; |
507 | ||
1f3233d1 | 508 | for (p = typedefs; p != NULL; p = p->next) |
509 | if (strcmp (p->name, s) == 0) | |
510 | { | |
511 | if (p->type != t) | |
512 | { | |
513 | error_at_line (pos, "type `%s' previously defined", s); | |
514 | error_at_line (&p->line, "previously defined here"); | |
515 | } | |
516 | return; | |
517 | } | |
518 | ||
9318f22c | 519 | p = XNEW (struct pair); |
1f3233d1 | 520 | p->next = typedefs; |
521 | p->name = s; | |
522 | p->type = t; | |
523 | p->line = *pos; | |
e3b362c8 | 524 | p->opt = NULL; |
1f3233d1 | 525 | typedefs = p; |
526 | } | |
527 | ||
80da8e25 | 528 | /* Define S as a typename of a scalar. Cannot be used to define |
529 | typedefs of 'char'. Note: is also used for pointer-to-function | |
530 | typedefs (which are therefore not treated as pointers). */ | |
c849df63 | 531 | |
80da8e25 | 532 | void |
1a97be37 | 533 | do_scalar_typedef (const char *s, struct fileloc *pos) |
c849df63 | 534 | { |
80da8e25 | 535 | do_typedef (s, &scalar_nonchar, pos); |
c849df63 | 536 | } |
537 | ||
102502d4 | 538 | /* Return the type previously defined for S. Use POS to report errors. */ |
155e048d | 539 | |
1f3233d1 | 540 | type_p |
1a97be37 | 541 | resolve_typedef (const char *s, struct fileloc *pos) |
1f3233d1 | 542 | { |
543 | pair_p p; | |
544 | for (p = typedefs; p != NULL; p = p->next) | |
545 | if (strcmp (p->name, s) == 0) | |
546 | return p->type; | |
547 | error_at_line (pos, "unidentified type `%s'", s); | |
01c8b828 | 548 | return &scalar_nonchar; /* treat as "int" */ |
1f3233d1 | 549 | } |
550 | ||
0cee3d8a | 551 | /* Create and return a new structure with tag NAME (or a union iff |
552 | ISUNION is nonzero), at POS with fields FIELDS and options O. */ | |
155e048d | 553 | |
0cee3d8a | 554 | type_p |
1a97be37 | 555 | new_structure (const char *name, int isunion, struct fileloc *pos, |
556 | pair_p fields, options_p o) | |
1f3233d1 | 557 | { |
558 | type_p si; | |
559 | type_p s = NULL; | |
570af75a | 560 | lang_bitmap bitmap = get_lang_bitmap (pos->file); |
1f3233d1 | 561 | |
562 | for (si = structures; si != NULL; si = si->next) | |
01c8b828 | 563 | if (strcmp (name, si->u.s.tag) == 0 && UNION_P (si) == isunion) |
1f3233d1 | 564 | { |
565 | type_p ls = NULL; | |
566 | if (si->kind == TYPE_LANG_STRUCT) | |
567 | { | |
568 | ls = si; | |
1a97be37 | 569 | |
1f3233d1 | 570 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
571 | if (si->u.s.bitmap == bitmap) | |
572 | s = si; | |
573 | } | |
574 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
575 | { | |
576 | ls = si; | |
463ae493 | 577 | type_count++; |
9318f22c | 578 | si = XCNEW (struct type); |
1f3233d1 | 579 | memcpy (si, ls, sizeof (struct type)); |
580 | ls->kind = TYPE_LANG_STRUCT; | |
581 | ls->u.s.lang_struct = si; | |
582 | ls->u.s.fields = NULL; | |
583 | si->next = NULL; | |
463ae493 | 584 | si->state_number = -type_count; |
1f3233d1 | 585 | si->pointer_to = NULL; |
586 | si->u.s.lang_struct = ls; | |
587 | } | |
588 | else | |
589 | s = si; | |
590 | ||
591 | if (ls != NULL && s == NULL) | |
592 | { | |
463ae493 | 593 | type_count++; |
9318f22c | 594 | s = XCNEW (struct type); |
463ae493 | 595 | s->state_number = -type_count; |
1f3233d1 | 596 | s->next = ls->u.s.lang_struct; |
597 | ls->u.s.lang_struct = s; | |
598 | s->u.s.lang_struct = ls; | |
599 | } | |
600 | break; | |
601 | } | |
1a97be37 | 602 | |
1f3233d1 | 603 | if (s == NULL) |
604 | { | |
463ae493 | 605 | type_count++; |
9318f22c | 606 | s = XCNEW (struct type); |
463ae493 | 607 | s->state_number = -type_count; |
1f3233d1 | 608 | s->next = structures; |
609 | structures = s; | |
610 | } | |
611 | ||
612 | if (s->u.s.line.file != NULL | |
613 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
614 | { | |
1e837561 | 615 | error_at_line (pos, "duplicate definition of '%s %s'", |
616 | isunion ? "union" : "struct", s->u.s.tag); | |
1f3233d1 | 617 | error_at_line (&s->u.s.line, "previous definition here"); |
618 | } | |
619 | ||
620 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
621 | s->u.s.tag = name; | |
622 | s->u.s.line = *pos; | |
623 | s->u.s.fields = fields; | |
624 | s->u.s.opt = o; | |
625 | s->u.s.bitmap = bitmap; | |
626 | if (s->u.s.lang_struct) | |
627 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
0cee3d8a | 628 | |
01c8b828 | 629 | return s; |
1f3233d1 | 630 | } |
631 | ||
155e048d | 632 | /* Return the previously-defined structure with tag NAME (or a union |
633 | iff ISUNION is nonzero), or a new empty structure or union if none | |
634 | was defined previously. */ | |
635 | ||
1f3233d1 | 636 | type_p |
1a97be37 | 637 | find_structure (const char *name, int isunion) |
1f3233d1 | 638 | { |
639 | type_p s; | |
640 | ||
641 | for (s = structures; s != NULL; s = s->next) | |
01c8b828 | 642 | if (strcmp (name, s->u.s.tag) == 0 && UNION_P (s) == isunion) |
1f3233d1 | 643 | return s; |
644 | ||
463ae493 | 645 | type_count++; |
9318f22c | 646 | s = XCNEW (struct type); |
1f3233d1 | 647 | s->next = structures; |
463ae493 | 648 | s->state_number = -type_count; |
1f3233d1 | 649 | structures = s; |
650 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
651 | s->u.s.tag = name; | |
652 | structures = s; | |
653 | return s; | |
654 | } | |
655 | ||
a8b24921 | 656 | /* Return the previously-defined parameterized structure for structure |
657 | T and parameters PARAM, or a new parameterized empty structure or | |
9cb8e99f | 658 | union if none was defined previously. */ |
c849df63 | 659 | |
660 | static type_p | |
1a97be37 | 661 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
c849df63 | 662 | { |
663 | type_p res; | |
1a97be37 | 664 | |
c849df63 | 665 | for (res = param_structs; res; res = res->next) |
666 | if (res->u.param_struct.stru == t | |
1a97be37 | 667 | && memcmp (res->u.param_struct.param, param, |
c849df63 | 668 | sizeof (type_p) * NUM_PARAM) == 0) |
669 | break; | |
670 | if (res == NULL) | |
671 | { | |
463ae493 | 672 | type_count++; |
9318f22c | 673 | res = XCNEW (struct type); |
c849df63 | 674 | res->kind = TYPE_PARAM_STRUCT; |
675 | res->next = param_structs; | |
463ae493 | 676 | res->state_number = -type_count; |
c849df63 | 677 | param_structs = res; |
678 | res->u.param_struct.stru = t; | |
679 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
680 | } | |
681 | return res; | |
682 | } | |
683 | ||
155e048d | 684 | /* Return a scalar type with name NAME. */ |
685 | ||
1f3233d1 | 686 | type_p |
80da8e25 | 687 | create_scalar_type (const char *name) |
1f3233d1 | 688 | { |
80da8e25 | 689 | if (!strcmp (name, "char") || !strcmp (name, "unsigned char")) |
690 | return &scalar_char; | |
691 | else | |
692 | return &scalar_nonchar; | |
1f3233d1 | 693 | } |
694 | ||
155e048d | 695 | /* Return a pointer to T. */ |
696 | ||
1f3233d1 | 697 | type_p |
1a97be37 | 698 | create_pointer (type_p t) |
1f3233d1 | 699 | { |
01c8b828 | 700 | if (!t->pointer_to) |
1f3233d1 | 701 | { |
9318f22c | 702 | type_p r = XCNEW (struct type); |
463ae493 | 703 | type_count++; |
704 | r->state_number = -type_count; | |
1f3233d1 | 705 | r->kind = TYPE_POINTER; |
706 | r->u.p = t; | |
707 | t->pointer_to = r; | |
708 | } | |
709 | return t->pointer_to; | |
710 | } | |
711 | ||
155e048d | 712 | /* Return an array of length LEN. */ |
713 | ||
1f3233d1 | 714 | type_p |
1a97be37 | 715 | create_array (type_p t, const char *len) |
1f3233d1 | 716 | { |
717 | type_p v; | |
1a97be37 | 718 | |
463ae493 | 719 | type_count++; |
9318f22c | 720 | v = XCNEW (struct type); |
1f3233d1 | 721 | v->kind = TYPE_ARRAY; |
463ae493 | 722 | v->state_number = -type_count; |
1f3233d1 | 723 | v->u.a.p = t; |
724 | v->u.a.len = len; | |
725 | return v; | |
726 | } | |
727 | ||
8be1803e | 728 | /* Return a string options structure with name NAME and info INFO. |
729 | NEXT is the next option in the chain. */ | |
730 | options_p | |
731 | create_string_option (options_p next, const char *name, const char *info) | |
732 | { | |
733 | options_p o = XNEW (struct options); | |
734 | o->kind = OPTION_STRING; | |
735 | o->next = next; | |
736 | o->name = name; | |
737 | o->info.string = info; | |
738 | return o; | |
739 | } | |
0cee3d8a | 740 | |
8be1803e | 741 | /* Create a type options structure with name NAME and info INFO. NEXT |
742 | is the next option in the chain. */ | |
7035b2ab | 743 | options_p |
8be1803e | 744 | create_type_option (options_p next, const char* name, type_p info) |
7035b2ab | 745 | { |
9318f22c | 746 | options_p o = XNEW (struct options); |
0cee3d8a | 747 | o->next = next; |
7035b2ab | 748 | o->name = name; |
8be1803e | 749 | o->kind = OPTION_TYPE; |
750 | o->info.type = info; | |
751 | return o; | |
752 | } | |
753 | ||
754 | /* Create a nested pointer options structure with name NAME and info | |
755 | INFO. NEXT is the next option in the chain. */ | |
756 | options_p | |
757 | create_nested_option (options_p next, const char* name, | |
758 | struct nested_ptr_data* info) | |
759 | { | |
760 | options_p o; | |
761 | o = XNEW (struct options); | |
762 | o->next = next; | |
763 | o->name = name; | |
764 | o->kind = OPTION_NESTED; | |
765 | o->info.nested = info; | |
7035b2ab | 766 | return o; |
767 | } | |
768 | ||
6fee8f02 | 769 | /* Return an options structure for a "nested_ptr" option. */ |
770 | options_p | |
4097676c | 771 | create_nested_ptr_option (options_p next, type_p t, |
772 | const char *to, const char *from) | |
6fee8f02 | 773 | { |
774 | struct nested_ptr_data *d = XNEW (struct nested_ptr_data); | |
775 | ||
776 | d->type = adjust_field_type (t, 0); | |
777 | d->convert_to = to; | |
778 | d->convert_from = from; | |
8be1803e | 779 | return create_nested_option (next, "nested_ptr", d); |
6fee8f02 | 780 | } |
781 | ||
c849df63 | 782 | /* Add a variable named S of type T with options O defined at POS, |
783 | to `variables'. */ | |
c849df63 | 784 | void |
1a97be37 | 785 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
c849df63 | 786 | { |
787 | pair_p n; | |
9318f22c | 788 | n = XNEW (struct pair); |
c849df63 | 789 | n->name = s; |
790 | n->type = t; | |
791 | n->line = *pos; | |
792 | n->opt = o; | |
793 | n->next = variables; | |
794 | variables = n; | |
795 | } | |
796 | ||
4097676c | 797 | /* Most-general structure field creator. */ |
0cee3d8a | 798 | static pair_p |
4097676c | 799 | create_field_all (pair_p next, type_p type, const char *name, options_p opt, |
dc8a8bf5 | 800 | const input_file *inpf, int line) |
0cee3d8a | 801 | { |
802 | pair_p field; | |
803 | ||
804 | field = XNEW (struct pair); | |
805 | field->next = next; | |
806 | field->type = type; | |
807 | field->name = name; | |
4097676c | 808 | field->opt = opt; |
dc8a8bf5 | 809 | field->line.file = inpf; |
4097676c | 810 | field->line.line = line; |
0cee3d8a | 811 | return field; |
812 | } | |
813 | ||
4097676c | 814 | /* Create a field that came from the source code we are scanning, |
815 | i.e. we have a 'struct fileloc', and possibly options; also, | |
816 | adjust_field_type should be called. */ | |
817 | pair_p | |
818 | create_field_at (pair_p next, type_p type, const char *name, options_p opt, | |
819 | struct fileloc *pos) | |
820 | { | |
821 | return create_field_all (next, adjust_field_type (type, opt), | |
822 | name, opt, pos->file, pos->line); | |
823 | } | |
824 | ||
825 | /* Create a fake field with the given type and name. NEXT is the next | |
826 | field in the chain. */ | |
827 | #define create_field(next,type,name) \ | |
1fdf44f0 | 828 | create_field_all(next,type,name, 0, this_file, __LINE__) |
4097676c | 829 | |
f2d0e9f1 | 830 | /* Like create_field, but the field is only valid when condition COND |
831 | is true. */ | |
832 | ||
833 | static pair_p | |
4097676c | 834 | create_optional_field_ (pair_p next, type_p type, const char *name, |
835 | const char *cond, int line) | |
f2d0e9f1 | 836 | { |
837 | static int id = 1; | |
4097676c | 838 | pair_p union_fields; |
f2d0e9f1 | 839 | type_p union_type; |
840 | ||
841 | /* Create a fake union type with a single nameless field of type TYPE. | |
842 | The field has a tag of "1". This allows us to make the presence | |
843 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
844 | union_fields = create_field (NULL, type, ""); | |
8be1803e | 845 | union_fields->opt = |
846 | create_string_option (union_fields->opt, "dot", ""); | |
847 | union_fields->opt = | |
848 | create_string_option (union_fields->opt, "tag", "1"); | |
849 | union_type = | |
850 | new_structure (xasprintf ("%s_%d", "fake_union", id++), 1, | |
851 | &lexer_line, union_fields, NULL); | |
f2d0e9f1 | 852 | |
853 | /* Create the field and give it the new fake union type. Add a "desc" | |
854 | tag that specifies the condition under which the field is valid. */ | |
4097676c | 855 | return create_field_all (next, union_type, name, |
8be1803e | 856 | create_string_option (0, "desc", cond), |
857 | this_file, line); | |
f2d0e9f1 | 858 | } |
01c8b828 | 859 | |
4097676c | 860 | #define create_optional_field(next,type,name,cond) \ |
1fdf44f0 | 861 | create_optional_field_(next,type,name,cond,__LINE__) |
f2d0e9f1 | 862 | |
1e837561 | 863 | /* Reverse a linked list of 'struct pair's in place. */ |
864 | pair_p | |
865 | nreverse_pairs (pair_p list) | |
866 | { | |
867 | pair_p prev = 0, p, next; | |
868 | for (p = list; p; p = next) | |
869 | { | |
870 | next = p->next; | |
871 | p->next = prev; | |
872 | prev = p; | |
873 | } | |
874 | return prev; | |
875 | } | |
1e837561 | 876 | \f |
01c8b828 | 877 | |
12d4f380 | 878 | /* We don't care how long a CONST_DOUBLE is. */ |
c849df63 | 879 | #define CONST_DOUBLE_FORMAT "ww" |
12d4f380 | 880 | /* We don't want to see codes that are only for generator files. */ |
881 | #undef GENERATOR_FILE | |
882 | ||
01c8b828 | 883 | enum rtx_code |
884 | { | |
12d4f380 | 885 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , |
886 | #include "rtl.def" | |
887 | #undef DEF_RTL_EXPR | |
888 | NUM_RTX_CODE | |
889 | }; | |
890 | ||
01c8b828 | 891 | static const char *const rtx_name[NUM_RTX_CODE] = { |
12d4f380 | 892 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , |
893 | #include "rtl.def" | |
894 | #undef DEF_RTL_EXPR | |
895 | }; | |
896 | ||
01c8b828 | 897 | static const char *const rtx_format[NUM_RTX_CODE] = { |
c849df63 | 898 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
899 | #include "rtl.def" | |
900 | #undef DEF_RTL_EXPR | |
901 | }; | |
902 | ||
acfcaf8d | 903 | static int rtx_next_new[NUM_RTX_CODE]; |
c849df63 | 904 | |
12d4f380 | 905 | /* We also need codes and names for insn notes (not register notes). |
906 | Note that we do *not* bias the note values here. */ | |
01c8b828 | 907 | enum insn_note |
908 | { | |
12d4f380 | 909 | #define DEF_INSN_NOTE(NAME) NAME, |
910 | #include "insn-notes.def" | |
911 | #undef DEF_INSN_NOTE | |
912 | ||
913 | NOTE_INSN_MAX | |
914 | }; | |
915 | ||
ab6994d2 | 916 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
917 | default field for line number notes. */ | |
01c8b828 | 918 | static const char *const note_insn_name[NOTE_INSN_MAX + 1] = { |
12d4f380 | 919 | #define DEF_INSN_NOTE(NAME) #NAME, |
920 | #include "insn-notes.def" | |
921 | #undef DEF_INSN_NOTE | |
922 | }; | |
923 | ||
924 | #undef CONST_DOUBLE_FORMAT | |
925 | #define GENERATOR_FILE | |
926 | ||
c849df63 | 927 | /* Generate the contents of the rtx_next array. This really doesn't belong |
928 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
929 | ||
930 | static void | |
1a97be37 | 931 | gen_rtx_next (void) |
c849df63 | 932 | { |
933 | int i; | |
934 | for (i = 0; i < NUM_RTX_CODE; i++) | |
935 | { | |
936 | int k; | |
1a97be37 | 937 | |
acfcaf8d | 938 | rtx_next_new[i] = -1; |
c849df63 | 939 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
acfcaf8d | 940 | rtx_next_new[i] = 2; |
c849df63 | 941 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
acfcaf8d | 942 | rtx_next_new[i] = 1; |
1a97be37 | 943 | else |
c849df63 | 944 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
945 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
acfcaf8d | 946 | rtx_next_new[i] = k; |
c849df63 | 947 | } |
948 | } | |
949 | ||
950 | /* Write out the contents of the rtx_next array. */ | |
951 | static void | |
1a97be37 | 952 | write_rtx_next (void) |
c849df63 | 953 | { |
954 | outf_p f = get_output_file_with_visibility (NULL); | |
955 | int i; | |
48e1416a | 956 | if (!f) |
9dc75945 | 957 | return; |
1a97be37 | 958 | |
c849df63 | 959 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
cd819d2f | 960 | oprintf (f, "EXPORTED_CONST unsigned char rtx_next[NUM_RTX_CODE] = {\n"); |
c849df63 | 961 | for (i = 0; i < NUM_RTX_CODE; i++) |
acfcaf8d | 962 | if (rtx_next_new[i] == -1) |
c849df63 | 963 | oprintf (f, " 0,\n"); |
964 | else | |
1a97be37 | 965 | oprintf (f, |
01c8b828 | 966 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", rtx_next_new[i]); |
c849df63 | 967 | oprintf (f, "};\n"); |
968 | } | |
969 | ||
970 | /* Handle `special("rtx_def")'. This is a special case for field | |
971 | `fld' of struct rtx_def, which is an array of unions whose values | |
972 | are based in a complex way on the type of RTL. */ | |
973 | ||
974 | static type_p | |
9a03a746 | 975 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
c849df63 | 976 | { |
977 | pair_p flds = NULL; | |
978 | options_p nodot; | |
979 | int i; | |
980 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
240a4681 | 981 | type_p basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
c849df63 | 982 | |
bf6b5685 | 983 | if (t->kind != TYPE_UNION) |
c849df63 | 984 | { |
1a97be37 | 985 | error_at_line (&lexer_line, |
bf6b5685 | 986 | "special `rtx_def' must be applied to a union"); |
c849df63 | 987 | return &string_type; |
988 | } | |
1a97be37 | 989 | |
8be1803e | 990 | nodot = create_string_option (NULL, "dot", ""); |
c849df63 | 991 | |
992 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
993 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
994 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
995 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
8be1803e | 996 | reg_attrs_tp = |
997 | create_pointer (find_structure ("reg_attrs", 0)); | |
998 | basic_block_tp = | |
999 | create_pointer (find_structure ("basic_block_def", 0)); | |
01c8b828 | 1000 | constant_tp = |
1001 | create_pointer (find_structure ("constant_descriptor_rtx", 0)); | |
1002 | scalar_tp = &scalar_nonchar; /* rtunion int */ | |
c849df63 | 1003 | |
1004 | { | |
1005 | pair_p note_flds = NULL; | |
1006 | int c; | |
acfcaf8d | 1007 | |
12d4f380 | 1008 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
c849df63 | 1009 | { |
acfcaf8d | 1010 | switch (c) |
1011 | { | |
acfcaf8d | 1012 | case NOTE_INSN_MAX: |
d5b19135 | 1013 | case NOTE_INSN_DELETED_LABEL: |
0cee3d8a | 1014 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
acfcaf8d | 1015 | break; |
1016 | ||
1017 | case NOTE_INSN_BLOCK_BEG: | |
1018 | case NOTE_INSN_BLOCK_END: | |
0cee3d8a | 1019 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
acfcaf8d | 1020 | break; |
1a97be37 | 1021 | |
5923a5e7 | 1022 | case NOTE_INSN_VAR_LOCATION: |
4143d08b | 1023 | case NOTE_INSN_CALL_ARG_LOCATION: |
0cee3d8a | 1024 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
acfcaf8d | 1025 | break; |
1026 | ||
1027 | default: | |
0cee3d8a | 1028 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
acfcaf8d | 1029 | break; |
1030 | } | |
0cee3d8a | 1031 | /* NOTE_INSN_MAX is used as the default field for line |
1032 | number notes. */ | |
1033 | if (c == NOTE_INSN_MAX) | |
8be1803e | 1034 | note_flds->opt = |
1035 | create_string_option (nodot, "default", ""); | |
0cee3d8a | 1036 | else |
8be1803e | 1037 | note_flds->opt = |
1038 | create_string_option (nodot, "tag", note_insn_name[c]); | |
c849df63 | 1039 | } |
0cee3d8a | 1040 | note_union_tp = new_structure ("rtx_def_note_subunion", 1, |
1041 | &lexer_line, note_flds, NULL); | |
c849df63 | 1042 | } |
7c266bb1 | 1043 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
1044 | { | |
1045 | pair_p sym_flds; | |
7c266bb1 | 1046 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); |
8be1803e | 1047 | sym_flds->opt = create_string_option (nodot, "default", ""); |
7c266bb1 | 1048 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); |
8be1803e | 1049 | sym_flds->opt = create_string_option (nodot, "tag", "1"); |
7c266bb1 | 1050 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1, |
1051 | &lexer_line, sym_flds, NULL); | |
1052 | } | |
c849df63 | 1053 | for (i = 0; i < NUM_RTX_CODE; i++) |
1054 | { | |
c849df63 | 1055 | pair_p subfields = NULL; |
1056 | size_t aindex, nmindex; | |
1057 | const char *sname; | |
0cee3d8a | 1058 | type_p substruct; |
c849df63 | 1059 | char *ftag; |
1060 | ||
1061 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
1062 | { | |
c849df63 | 1063 | type_p t; |
1064 | const char *subname; | |
1065 | ||
1066 | switch (rtx_format[i][aindex]) | |
1067 | { | |
1068 | case '*': | |
1069 | case 'i': | |
1070 | case 'n': | |
1071 | case 'w': | |
1072 | t = scalar_tp; | |
993d9e55 | 1073 | subname = "rt_int"; |
c849df63 | 1074 | break; |
1075 | ||
1076 | case '0': | |
1077 | if (i == MEM && aindex == 1) | |
993d9e55 | 1078 | t = mem_attrs_tp, subname = "rt_mem"; |
3072d30e | 1079 | else if (i == JUMP_INSN && aindex == 8) |
993d9e55 | 1080 | t = rtx_tp, subname = "rt_rtx"; |
c849df63 | 1081 | else if (i == CODE_LABEL && aindex == 5) |
3a55c112 | 1082 | t = scalar_tp, subname = "rt_int"; |
1083 | else if (i == CODE_LABEL && aindex == 4) | |
993d9e55 | 1084 | t = rtx_tp, subname = "rt_rtx"; |
01c8b828 | 1085 | else if (i == LABEL_REF && (aindex == 1 || aindex == 2)) |
993d9e55 | 1086 | t = rtx_tp, subname = "rt_rtx"; |
3a55c112 | 1087 | else if (i == NOTE && aindex == 4) |
9e628780 | 1088 | t = note_union_tp, subname = ""; |
1089 | else if (i == NOTE && aindex == 5) | |
ad4583d9 | 1090 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 1091 | else if (i == NOTE && aindex >= 7) |
993d9e55 | 1092 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 1093 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
993d9e55 | 1094 | t = scalar_tp, subname = "rt_int"; |
c849df63 | 1095 | else if (i == VALUE && aindex == 0) |
993d9e55 | 1096 | t = scalar_tp, subname = "rt_int"; |
688ff29b | 1097 | else if (i == DEBUG_EXPR && aindex == 0) |
1098 | t = tree_tp, subname = "rt_tree"; | |
c849df63 | 1099 | else if (i == REG && aindex == 1) |
993d9e55 | 1100 | t = scalar_tp, subname = "rt_int"; |
ca74b940 | 1101 | else if (i == REG && aindex == 2) |
993d9e55 | 1102 | t = reg_attrs_tp, subname = "rt_reg"; |
c849df63 | 1103 | else if (i == SCRATCH && aindex == 0) |
993d9e55 | 1104 | t = scalar_tp, subname = "rt_int"; |
001be062 | 1105 | else if (i == SYMBOL_REF && aindex == 1) |
993d9e55 | 1106 | t = scalar_tp, subname = "rt_int"; |
001be062 | 1107 | else if (i == SYMBOL_REF && aindex == 2) |
7c266bb1 | 1108 | t = symbol_union_tp, subname = ""; |
c849df63 | 1109 | else if (i == BARRIER && aindex >= 3) |
993d9e55 | 1110 | t = scalar_tp, subname = "rt_int"; |
a5701bde | 1111 | else if (i == ENTRY_VALUE && aindex == 0) |
1112 | t = rtx_tp, subname = "rt_rtx"; | |
c849df63 | 1113 | else |
1114 | { | |
8be1803e | 1115 | error_at_line |
1116 | (&lexer_line, | |
1117 | "rtx type `%s' has `0' in position %lu, can't handle", | |
1118 | rtx_name[i], (unsigned long) aindex); | |
c849df63 | 1119 | t = &string_type; |
993d9e55 | 1120 | subname = "rt_int"; |
c849df63 | 1121 | } |
1122 | break; | |
1a97be37 | 1123 | |
c849df63 | 1124 | case 's': |
1125 | case 'S': | |
1126 | case 'T': | |
1127 | t = &string_type; | |
993d9e55 | 1128 | subname = "rt_str"; |
c849df63 | 1129 | break; |
1130 | ||
1131 | case 'e': | |
1132 | case 'u': | |
1133 | t = rtx_tp; | |
993d9e55 | 1134 | subname = "rt_rtx"; |
c849df63 | 1135 | break; |
1136 | ||
1137 | case 'E': | |
1138 | case 'V': | |
1139 | t = rtvec_tp; | |
993d9e55 | 1140 | subname = "rt_rtvec"; |
c849df63 | 1141 | break; |
1142 | ||
1143 | case 't': | |
1144 | t = tree_tp; | |
993d9e55 | 1145 | subname = "rt_tree"; |
c849df63 | 1146 | break; |
1147 | ||
c849df63 | 1148 | case 'B': |
1149 | t = basic_block_tp; | |
993d9e55 | 1150 | subname = "rt_bb"; |
c849df63 | 1151 | break; |
1152 | ||
1153 | default: | |
8be1803e | 1154 | error_at_line |
1155 | (&lexer_line, | |
1156 | "rtx type `%s' has `%c' in position %lu, can't handle", | |
1157 | rtx_name[i], rtx_format[i][aindex], | |
1158 | (unsigned long) aindex); | |
c849df63 | 1159 | t = &string_type; |
993d9e55 | 1160 | subname = "rt_int"; |
c849df63 | 1161 | break; |
1162 | } | |
1163 | ||
0cee3d8a | 1164 | subfields = create_field (subfields, t, |
1165 | xasprintf (".fld[%lu].%s", | |
1166 | (unsigned long) aindex, | |
1167 | subname)); | |
1168 | subfields->opt = nodot; | |
c849df63 | 1169 | if (t == note_union_tp) |
8be1803e | 1170 | subfields->opt = |
1171 | create_string_option (subfields->opt, "desc", | |
1172 | "NOTE_KIND (&%0)"); | |
7c266bb1 | 1173 | if (t == symbol_union_tp) |
8be1803e | 1174 | subfields->opt = |
1175 | create_string_option (subfields->opt, "desc", | |
1176 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
c849df63 | 1177 | } |
1178 | ||
f2d0e9f1 | 1179 | if (i == SYMBOL_REF) |
1180 | { | |
8be1803e | 1181 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P |
1182 | holds. */ | |
f2d0e9f1 | 1183 | type_p field_tp = find_structure ("block_symbol", 0); |
6617cbc1 | 1184 | subfields |
1185 | = create_optional_field (subfields, field_tp, "block_sym", | |
1186 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
f2d0e9f1 | 1187 | } |
1188 | ||
c849df63 | 1189 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0cee3d8a | 1190 | substruct = new_structure (sname, 0, &lexer_line, subfields, NULL); |
1191 | ||
c849df63 | 1192 | ftag = xstrdup (rtx_name[i]); |
1193 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
1194 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0cee3d8a | 1195 | flds = create_field (flds, substruct, ""); |
8be1803e | 1196 | flds->opt = create_string_option (nodot, "tag", ftag); |
c849df63 | 1197 | } |
0cee3d8a | 1198 | return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); |
c849df63 | 1199 | } |
1200 | ||
1201 | /* Handle `special("tree_exp")'. This is a special case for | |
1202 | field `operands' of struct tree_exp, which although it claims to contain | |
1a97be37 | 1203 | pointers to trees, actually sometimes contains pointers to RTL too. |
c849df63 | 1204 | Passed T, the old type of the field, and OPT its options. Returns |
1205 | a new type for the field. */ | |
1206 | ||
1207 | static type_p | |
1a97be37 | 1208 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
c849df63 | 1209 | { |
1210 | pair_p flds; | |
1211 | options_p nodot; | |
1a97be37 | 1212 | |
c849df63 | 1213 | if (t->kind != TYPE_ARRAY) |
1214 | { | |
1a97be37 | 1215 | error_at_line (&lexer_line, |
c849df63 | 1216 | "special `tree_exp' must be applied to an array"); |
1217 | return &string_type; | |
1218 | } | |
1a97be37 | 1219 | |
8be1803e | 1220 | nodot = create_string_option (NULL, "dot", ""); |
0cee3d8a | 1221 | |
1222 | flds = create_field (NULL, t, ""); | |
8be1803e | 1223 | flds->opt = create_string_option (nodot, "length", |
1224 | "TREE_OPERAND_LENGTH ((tree) &%0)"); | |
1225 | flds->opt = create_string_option (flds->opt, "default", ""); | |
1a97be37 | 1226 | |
0cee3d8a | 1227 | return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
c849df63 | 1228 | } |
1229 | ||
155e048d | 1230 | /* Perform any special processing on a type T, about to become the type |
1231 | of a field. Return the appropriate type for the field. | |
1232 | At present: | |
1233 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
1234 | - Similarly for arrays of pointer-to-char; | |
1235 | - Converts structures for which a parameter is provided to | |
c849df63 | 1236 | TYPE_PARAM_STRUCT; |
1237 | - Handles "special" options. | |
1a97be37 | 1238 | */ |
155e048d | 1239 | |
1f3233d1 | 1240 | type_p |
1a97be37 | 1241 | adjust_field_type (type_p t, options_p opt) |
1f3233d1 | 1242 | { |
1243 | int length_p = 0; | |
1244 | const int pointer_p = t->kind == TYPE_POINTER; | |
c849df63 | 1245 | type_p params[NUM_PARAM]; |
1246 | int params_p = 0; | |
1247 | int i; | |
1248 | ||
1249 | for (i = 0; i < NUM_PARAM; i++) | |
1250 | params[i] = NULL; | |
1a97be37 | 1251 | |
1f3233d1 | 1252 | for (; opt; opt = opt->next) |
1253 | if (strcmp (opt->name, "length") == 0) | |
1254 | length_p = 1; | |
8be1803e | 1255 | else if ((strcmp (opt->name, "param_is") == 0 |
1256 | || (strncmp (opt->name, "param", 5) == 0 | |
1257 | && ISDIGIT (opt->name[5]) | |
1258 | && strcmp (opt->name + 6, "_is") == 0)) | |
1259 | && opt->kind == OPTION_TYPE) | |
1f3233d1 | 1260 | { |
c849df63 | 1261 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
1f3233d1 | 1262 | |
01c8b828 | 1263 | if (!UNION_OR_STRUCT_P (t) |
1264 | && (t->kind != TYPE_POINTER || !UNION_OR_STRUCT_P (t->u.p))) | |
c849df63 | 1265 | { |
1a97be37 | 1266 | error_at_line (&lexer_line, |
01c8b828 | 1267 | "option `%s' may only be applied to structures or structure pointers", |
c849df63 | 1268 | opt->name); |
1269 | return t; | |
1270 | } | |
1271 | ||
1272 | params_p = 1; | |
1273 | if (params[num] != NULL) | |
1274 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
01c8b828 | 1275 | if (!ISDIGIT (opt->name[5])) |
8be1803e | 1276 | params[num] = create_pointer (opt->info.type); |
c849df63 | 1277 | else |
8be1803e | 1278 | params[num] = opt->info.type; |
1f3233d1 | 1279 | } |
8be1803e | 1280 | else if (strcmp (opt->name, "special") == 0 |
1281 | && opt->kind == OPTION_STRING) | |
c849df63 | 1282 | { |
8be1803e | 1283 | const char *special_name = opt->info.string; |
c849df63 | 1284 | if (strcmp (special_name, "tree_exp") == 0) |
1285 | t = adjust_field_tree_exp (t, opt); | |
1286 | else if (strcmp (special_name, "rtx_def") == 0) | |
1287 | t = adjust_field_rtx_def (t, opt); | |
1288 | else | |
1289 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
1290 | } | |
1291 | ||
1292 | if (params_p) | |
1293 | { | |
1294 | type_p realt; | |
1a97be37 | 1295 | |
c849df63 | 1296 | if (pointer_p) |
1297 | t = t->u.p; | |
1298 | realt = find_param_structure (t, params); | |
1299 | t = pointer_p ? create_pointer (realt) : realt; | |
1300 | } | |
1301 | ||
01c8b828 | 1302 | if (!length_p |
1303 | && pointer_p && t->u.p->kind == TYPE_SCALAR && t->u.p->u.scalar_is_char) | |
1f3233d1 | 1304 | return &string_type; |
1305 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
1306 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
80da8e25 | 1307 | && t->u.a.p->u.p->u.scalar_is_char) |
1f3233d1 | 1308 | return create_array (&string_type, t->u.a.len); |
1309 | ||
1310 | return t; | |
1311 | } | |
1f3233d1 | 1312 | \f |
01c8b828 | 1313 | |
1a97be37 | 1314 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
1315 | static void set_gc_used (pair_p); | |
1f3233d1 | 1316 | |
155e048d | 1317 | /* Handle OPT for set_gc_used_type. */ |
1318 | ||
1f3233d1 | 1319 | static void |
1a97be37 | 1320 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
01c8b828 | 1321 | int *pass_param, int *length, int *skip, |
1322 | type_p *nested_ptr) | |
1f3233d1 | 1323 | { |
1324 | options_p o; | |
1325 | for (o = opt; o; o = o->next) | |
8be1803e | 1326 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO |
1327 | && o->kind == OPTION_TYPE) | |
1328 | set_gc_used_type (o->info.type, | |
65b198c2 | 1329 | GC_POINTED_TO, NULL); |
1f3233d1 | 1330 | else if (strcmp (o->name, "maybe_undef") == 0) |
1331 | *maybe_undef = 1; | |
c849df63 | 1332 | else if (strcmp (o->name, "use_params") == 0) |
1333 | *pass_param = 1; | |
1334 | else if (strcmp (o->name, "length") == 0) | |
1335 | *length = 1; | |
f6680037 | 1336 | else if (strcmp (o->name, "skip") == 0) |
1337 | *skip = 1; | |
8be1803e | 1338 | else if (strcmp (o->name, "nested_ptr") == 0 |
1339 | && o->kind == OPTION_NESTED) | |
1340 | *nested_ptr = ((const struct nested_ptr_data *) o->info.nested)->type; | |
1f3233d1 | 1341 | } |
1342 | ||
155e048d | 1343 | |
8be1803e | 1344 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
1f3233d1 | 1345 | static void |
1a97be37 | 1346 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
1f3233d1 | 1347 | { |
1348 | if (t->gc_used >= level) | |
1349 | return; | |
1a97be37 | 1350 | |
1f3233d1 | 1351 | t->gc_used = level; |
1352 | ||
1353 | switch (t->kind) | |
1354 | { | |
1355 | case TYPE_STRUCT: | |
1356 | case TYPE_UNION: | |
1357 | { | |
1358 | pair_p f; | |
1359 | int dummy; | |
c39ed964 | 1360 | type_p dummy2; |
1f3233d1 | 1361 | |
f6680037 | 1362 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
c39ed964 | 1363 | &dummy2); |
1f3233d1 | 1364 | |
1365 | for (f = t->u.s.fields; f; f = f->next) | |
1366 | { | |
1367 | int maybe_undef = 0; | |
c849df63 | 1368 | int pass_param = 0; |
1369 | int length = 0; | |
f6680037 | 1370 | int skip = 0; |
c39ed964 | 1371 | type_p nested_ptr = NULL; |
c849df63 | 1372 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
f6680037 | 1373 | &length, &skip, &nested_ptr); |
1a97be37 | 1374 | |
c39ed964 | 1375 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
48e1416a | 1376 | set_gc_used_type (nested_ptr, GC_POINTED_TO, |
c39ed964 | 1377 | pass_param ? param : NULL); |
1378 | else if (length && f->type->kind == TYPE_POINTER) | |
c849df63 | 1379 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
1380 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
1381 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
1382 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
1383 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
1384 | GC_POINTED_TO, NULL); | |
f6680037 | 1385 | else if (skip) |
01c8b828 | 1386 | ; /* target type is not used through this field */ |
1f3233d1 | 1387 | else |
c849df63 | 1388 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
1f3233d1 | 1389 | } |
1390 | break; | |
1391 | } | |
1392 | ||
1393 | case TYPE_POINTER: | |
c849df63 | 1394 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
1f3233d1 | 1395 | break; |
1396 | ||
1397 | case TYPE_ARRAY: | |
c849df63 | 1398 | set_gc_used_type (t->u.a.p, GC_USED, param); |
1f3233d1 | 1399 | break; |
1a97be37 | 1400 | |
1f3233d1 | 1401 | case TYPE_LANG_STRUCT: |
1402 | for (t = t->u.s.lang_struct; t; t = t->next) | |
c849df63 | 1403 | set_gc_used_type (t, level, param); |
1f3233d1 | 1404 | break; |
1405 | ||
1406 | case TYPE_PARAM_STRUCT: | |
c849df63 | 1407 | { |
1408 | int i; | |
1409 | for (i = 0; i < NUM_PARAM; i++) | |
1410 | if (t->u.param_struct.param[i] != 0) | |
1411 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
1412 | } | |
1413 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
1414 | level = GC_POINTED_TO; | |
1415 | else | |
1416 | level = GC_USED; | |
1417 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
1a97be37 | 1418 | set_gc_used_type (t->u.param_struct.stru, level, |
c849df63 | 1419 | t->u.param_struct.param); |
1f3233d1 | 1420 | break; |
1421 | ||
1422 | default: | |
1423 | break; | |
1424 | } | |
1425 | } | |
1426 | ||
c849df63 | 1427 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
155e048d | 1428 | |
1f3233d1 | 1429 | static void |
1a97be37 | 1430 | set_gc_used (pair_p variables) |
1f3233d1 | 1431 | { |
e62e715c | 1432 | int nbvars = 0; |
1f3233d1 | 1433 | pair_p p; |
1434 | for (p = variables; p; p = p->next) | |
e62e715c | 1435 | { |
1436 | set_gc_used_type (p->type, GC_USED, NULL); | |
1437 | nbvars++; | |
1438 | }; | |
1439 | if (verbosity_level >= 2) | |
1440 | printf ("%s used %d GTY-ed variables\n", progname, nbvars); | |
1f3233d1 | 1441 | } |
1442 | \f | |
1443 | /* File mapping routines. For each input file, there is one output .c file | |
1444 | (but some output files have many input files), and there is one .h file | |
1445 | for the whole build. */ | |
1446 | ||
4097676c | 1447 | /* Output file handling. */ |
1f3233d1 | 1448 | |
92570e7a | 1449 | /* Create and return an outf_p for a new file for NAME, to be called |
1450 | ONAME. */ | |
155e048d | 1451 | |
92570e7a | 1452 | static outf_p |
1a97be37 | 1453 | create_file (const char *name, const char *oname) |
1f3233d1 | 1454 | { |
1455 | static const char *const hdr[] = { | |
9dc75945 | 1456 | " Copyright (C) 2004, 2007, 2009 Free Software Foundation, Inc.\n", |
1f3233d1 | 1457 | "\n", |
1458 | "This file is part of GCC.\n", | |
1459 | "\n", | |
1460 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1461 | "the terms of the GNU General Public License as published by the Free\n", | |
8c4c00c1 | 1462 | "Software Foundation; either version 3, or (at your option) any later\n", |
1f3233d1 | 1463 | "version.\n", |
1464 | "\n", | |
1465 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1466 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1467 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1468 | "for more details.\n", | |
1469 | "\n", | |
1470 | "You should have received a copy of the GNU General Public License\n", | |
8c4c00c1 | 1471 | "along with GCC; see the file COPYING3. If not see\n", |
1472 | "<http://www.gnu.org/licenses/>. */\n", | |
1f3233d1 | 1473 | "\n", |
1474 | "/* This file is machine generated. Do not edit. */\n" | |
1475 | }; | |
92570e7a | 1476 | outf_p f; |
1f3233d1 | 1477 | size_t i; |
1a97be37 | 1478 | |
9dc75945 | 1479 | gcc_assert (name != NULL); |
1480 | gcc_assert (oname != NULL); | |
9318f22c | 1481 | f = XCNEW (struct outf); |
92570e7a | 1482 | f->next = output_files; |
1483 | f->name = oname; | |
1484 | output_files = f; | |
1485 | ||
1486 | oprintf (f, "/* Type information for %s.\n", name); | |
0480d780 | 1487 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
92570e7a | 1488 | oprintf (f, "%s", hdr[i]); |
1f3233d1 | 1489 | return f; |
1490 | } | |
1491 | ||
48e1416a | 1492 | /* Print, like fprintf, to O. |
409f9175 | 1493 | N.B. You might think this could be implemented more efficiently |
1494 | with vsnprintf(). Unfortunately, there are C libraries that | |
1495 | provide that function but without the C99 semantics for its return | |
1496 | value, making it impossible to know how much space is required. */ | |
1a97be37 | 1497 | void |
ee582a61 | 1498 | oprintf (outf_p o, const char *format, ...) |
92570e7a | 1499 | { |
409f9175 | 1500 | char *s; |
92570e7a | 1501 | size_t slength; |
409f9175 | 1502 | va_list ap; |
1a97be37 | 1503 | |
9dc75945 | 1504 | /* In plugin mode, the O could be a NULL pointer, so avoid crashing |
1505 | in that case. */ | |
48e1416a | 1506 | if (!o) |
9dc75945 | 1507 | return; |
1508 | ||
409f9175 | 1509 | va_start (ap, format); |
1510 | slength = vasprintf (&s, format, ap); | |
01c8b828 | 1511 | if (s == NULL || (int) slength < 0) |
409f9175 | 1512 | fatal ("out of memory"); |
1513 | va_end (ap); | |
92570e7a | 1514 | |
409f9175 | 1515 | if (o->bufused + slength > o->buflength) |
92570e7a | 1516 | { |
1517 | size_t new_len = o->buflength; | |
1518 | if (new_len == 0) | |
1519 | new_len = 1024; | |
01c8b828 | 1520 | do |
1521 | { | |
1522 | new_len *= 2; | |
1523 | } | |
1524 | while (o->bufused + slength >= new_len); | |
63aa3db6 | 1525 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
92570e7a | 1526 | o->buflength = new_len; |
1527 | } | |
409f9175 | 1528 | memcpy (o->buf + o->bufused, s, slength); |
92570e7a | 1529 | o->bufused += slength; |
409f9175 | 1530 | free (s); |
92570e7a | 1531 | } |
1532 | ||
155e048d | 1533 | /* Open the global header file and the language-specific header files. */ |
1534 | ||
1f3233d1 | 1535 | static void |
1a97be37 | 1536 | open_base_files (void) |
1f3233d1 | 1537 | { |
1538 | size_t i; | |
1a97be37 | 1539 | |
9dc75945 | 1540 | if (nb_plugin_files > 0 && plugin_files) |
1541 | return; | |
1542 | ||
92570e7a | 1543 | header_file = create_file ("GCC", "gtype-desc.h"); |
1f3233d1 | 1544 | |
570af75a | 1545 | base_files = XNEWVEC (outf_p, num_lang_dirs); |
1546 | ||
1547 | for (i = 0; i < num_lang_dirs; i++) | |
1a97be37 | 1548 | base_files[i] = create_file (lang_dir_names[i], |
776c30b8 | 1549 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
92570e7a | 1550 | |
1551 | /* gtype-desc.c is a little special, so we create it here. */ | |
1552 | { | |
1553 | /* The order of files here matters very much. */ | |
01c8b828 | 1554 | static const char *const ifiles[] = { |
67076d6d | 1555 | "config.h", "system.h", "coretypes.h", "tm.h", |
01c8b828 | 1556 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
42fe97ed | 1557 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", |
1558 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1559 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
1560 | "tree-flow.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", | |
e38def9c | 1561 | "cfglayout.h", "except.h", "output.h", "gimple.h", "cfgloop.h", |
821d4118 | 1562 | "target.h", "ipa-prop.h", "lto-streamer.h", "target-globals.h", NULL |
92570e7a | 1563 | }; |
1564 | const char *const *ifp; | |
1565 | outf_p gtype_desc_c; | |
1a97be37 | 1566 | |
92570e7a | 1567 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1568 | for (ifp = ifiles; *ifp; ifp++) | |
1569 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
c8a152f6 | 1570 | |
1571 | /* Make sure we handle "cfun" specially. */ | |
1572 | oprintf (gtype_desc_c, "\n/* See definition in function.h. */\n"); | |
1573 | oprintf (gtype_desc_c, "#undef cfun\n"); | |
92570e7a | 1574 | } |
1f3233d1 | 1575 | } |
1576 | ||
dc8a8bf5 | 1577 | /* For INPF an input file, return the real basename of INPF, with all |
1578 | the directory components skipped. */ | |
2ac441f7 | 1579 | |
1580 | static const char * | |
dc8a8bf5 | 1581 | get_file_realbasename (const input_file *inpf) |
2ac441f7 | 1582 | { |
82715bcd | 1583 | return lbasename (get_input_file_name (inpf)); |
2ac441f7 | 1584 | } |
1585 | ||
dc8a8bf5 | 1586 | /* For INPF a filename, return the relative path to INPF from |
1587 | $(srcdir) if the latter is a prefix in INPF, NULL otherwise. */ | |
2ac441f7 | 1588 | |
dc8a8bf5 | 1589 | const char * |
1590 | get_file_srcdir_relative_path (const input_file *inpf) | |
2ac441f7 | 1591 | { |
dc8a8bf5 | 1592 | const char *f = get_input_file_name (inpf); |
2ac441f7 | 1593 | if (strlen (f) > srcdir_len |
1594 | && IS_DIR_SEPARATOR (f[srcdir_len]) | |
dc8a8bf5 | 1595 | && strncmp (f, srcdir, srcdir_len) == 0) |
2ac441f7 | 1596 | return f + srcdir_len + 1; |
1597 | else | |
1598 | return NULL; | |
1599 | } | |
1600 | ||
dc8a8bf5 | 1601 | /* For INPF an input_file, return the relative path to INPF from |
1602 | $(srcdir) if the latter is a prefix in INPF, or the real basename | |
1603 | of INPF otherwise. */ | |
155e048d | 1604 | |
1f3233d1 | 1605 | static const char * |
dc8a8bf5 | 1606 | get_file_basename (const input_file *inpf) |
1f3233d1 | 1607 | { |
dc8a8bf5 | 1608 | const char *srcdir_path = get_file_srcdir_relative_path (inpf); |
1a97be37 | 1609 | |
dc8a8bf5 | 1610 | return (srcdir_path != NULL) ? srcdir_path : get_file_realbasename (inpf); |
2ac441f7 | 1611 | } |
1a97be37 | 1612 | |
2ac441f7 | 1613 | /* For F a filename, return the lang_dir_names relative index of the language |
1614 | directory that is a prefix in F, if any, -1 otherwise. */ | |
1a97be37 | 1615 | |
2ac441f7 | 1616 | static int |
1617 | get_prefix_langdir_index (const char *f) | |
1618 | { | |
1619 | size_t f_len = strlen (f); | |
1620 | size_t lang_index; | |
1a97be37 | 1621 | |
2ac441f7 | 1622 | for (lang_index = 0; lang_index < num_lang_dirs; lang_index++) |
776c30b8 | 1623 | { |
01c8b828 | 1624 | const char *langdir = lang_dir_names[lang_index]; |
2ac441f7 | 1625 | size_t langdir_len = strlen (langdir); |
48e1416a | 1626 | |
2ac441f7 | 1627 | if (f_len > langdir_len |
1628 | && IS_DIR_SEPARATOR (f[langdir_len]) | |
1629 | && memcmp (f, langdir, langdir_len) == 0) | |
1630 | return lang_index; | |
776c30b8 | 1631 | } |
1a97be37 | 1632 | |
2ac441f7 | 1633 | return -1; |
1634 | } | |
1635 | ||
dc8a8bf5 | 1636 | /* For INPF an input file, return the name of language directory where |
1637 | F is located, if any, NULL otherwise. */ | |
2ac441f7 | 1638 | |
1639 | static const char * | |
dc8a8bf5 | 1640 | get_file_langdir (const input_file *inpf) |
2ac441f7 | 1641 | { |
dc8a8bf5 | 1642 | /* Get the relative path to INPF from $(srcdir) and find the |
1643 | language by comparing the prefix with language directory names. | |
1644 | If INPF is not even srcdir relative, no point in looking | |
1645 | further. */ | |
2ac441f7 | 1646 | |
1647 | int lang_index; | |
dc8a8bf5 | 1648 | const char *srcdir_relative_path = get_file_srcdir_relative_path (inpf); |
01c8b828 | 1649 | const char *r; |
2ac441f7 | 1650 | |
1651 | if (!srcdir_relative_path) | |
1652 | return NULL; | |
1653 | ||
1654 | lang_index = get_prefix_langdir_index (srcdir_relative_path); | |
01c8b828 | 1655 | if (lang_index < 0 && strncmp (srcdir_relative_path, "c-family", 8) == 0) |
7bedc3a0 | 1656 | r = "c-family"; |
1657 | else if (lang_index >= 0) | |
01c8b828 | 1658 | r = lang_dir_names[lang_index]; |
7bedc3a0 | 1659 | else |
1660 | r = NULL; | |
2ac441f7 | 1661 | |
7bedc3a0 | 1662 | return r; |
2ac441f7 | 1663 | } |
1664 | ||
dc8a8bf5 | 1665 | /* The gt- output file name for INPF. */ |
2ac441f7 | 1666 | |
1667 | static const char * | |
dc8a8bf5 | 1668 | get_file_gtfilename (const input_file *inpf) |
2ac441f7 | 1669 | { |
1670 | /* Cook up an initial version of the gt- file name from the file real | |
1671 | basename and the language name, if any. */ | |
1672 | ||
dc8a8bf5 | 1673 | const char *basename = get_file_realbasename (inpf); |
1674 | const char *langdir = get_file_langdir (inpf); | |
48e1416a | 1675 | |
01c8b828 | 1676 | char *result = |
2ac441f7 | 1677 | (langdir ? xasprintf ("gt-%s-%s", langdir, basename) |
1678 | : xasprintf ("gt-%s", basename)); | |
1679 | ||
1680 | /* Then replace all non alphanumerics characters by '-' and change the | |
e3b362c8 | 1681 | extension to ".h". We expect the input filename extension was at least |
2ac441f7 | 1682 | one character long. */ |
1683 | ||
1684 | char *s = result; | |
1685 | ||
1686 | for (; *s != '.'; s++) | |
01c8b828 | 1687 | if (!ISALNUM (*s) && *s != '-') |
2ac441f7 | 1688 | *s = '-'; |
1689 | ||
1690 | memcpy (s, ".h", sizeof (".h")); | |
1691 | ||
1692 | return result; | |
1f3233d1 | 1693 | } |
1694 | ||
8fda3262 | 1695 | /* Each input_file has its associated output file outf_p. The |
1696 | association is computed by the function | |
1697 | get_output_file_with_visibility. The associated file is cached | |
1698 | inside input_file in its inpoutf field, so is really computed only | |
1699 | once. Associated output file paths (i.e. output_name-s) are | |
1700 | computed by a rule based regexp machinery, using the files_rules | |
1701 | array of struct file_rule_st. A for_name is also computed, giving | |
1702 | the source file name for which the output_file is generated; it is | |
1703 | often the last component of the input_file path. */ | |
1704 | ||
1705 | ||
1706 | /* | |
1707 | Regexpr machinery to compute the output_name and for_name-s of each | |
1708 | input_file. We have a sequence of file rules which gives the POSIX | |
1709 | extended regular expression to match an input file path, and two | |
1710 | transformed strings for the corresponding output_name and the | |
1711 | corresponding for_name. The transformed string contain dollars: $0 | |
1712 | is replaced by the entire match, $1 is replaced by the substring | |
1713 | matching the first parenthesis in the regexp, etc. And $$ is replaced | |
1714 | by a single verbatim dollar. The rule order is important. The | |
1715 | general case is last, and the particular cases should come before. | |
1716 | An action routine can, when needed, update the out_name & for_name | |
1717 | and/or return the appropriate output file. It is invoked only when a | |
1718 | rule is triggered. When a rule is triggered, the output_name and | |
1719 | for_name are computed using their transform string in while $$, $0, | |
1720 | $1, ... are suitably replaced. If there is an action, it is called. | |
1721 | In some few cases, the action can directly return the outf_p, but | |
1722 | usually it just updates the output_name and for_name so should free | |
1723 | them before replacing them. The get_output_file_with_visibility | |
1724 | function creates an outf_p only once per each output_name, so it | |
1725 | scans the output_files list for previously seen output file names. | |
1726 | */ | |
1727 | ||
1728 | /* Signature of actions in file rules. */ | |
1729 | typedef outf_p (frul_actionrout_t) (input_file*, char**, char**); | |
1730 | ||
1731 | ||
1732 | struct file_rule_st { | |
1733 | const char* frul_srcexpr; /* Source string for regexp. */ | |
1734 | int frul_rflags; /* Flags passed to regcomp, usually | |
1735 | * REG_EXTENDED. */ | |
1736 | regex_t* frul_re; /* Compiled regular expression | |
1737 | obtained by regcomp. */ | |
1738 | const char* frul_tr_out; /* Transformation string for making | |
1739 | * the output_name, with $1 ... $9 for | |
1740 | * subpatterns and $0 for the whole | |
1741 | * matched filename. */ | |
1742 | const char* frul_tr_for; /* Tranformation string for making the | |
1743 | for_name. */ | |
1744 | frul_actionrout_t* frul_action; /* The action, if non null, is | |
1745 | * called once the rule matches, on | |
1746 | * the transformed out_name & | |
1747 | * for_name. It could change them | |
1748 | * and/or give the output file. */ | |
1749 | }; | |
1750 | ||
1751 | /* File rule action handling *.h files. */ | |
1752 | static outf_p header_dot_h_frul (input_file*, char**, char**); | |
1753 | ||
1754 | /* File rule action handling *.c files. */ | |
1755 | static outf_p source_dot_c_frul (input_file*, char**, char**); | |
1756 | ||
1757 | #define NULL_REGEX (regex_t*)0 | |
1758 | ||
1759 | /* The prefix in our regexp-s matching the directory. */ | |
1760 | #define DIR_PREFIX_REGEX "^(([^/]*/)*)" | |
1761 | ||
1762 | #define NULL_FRULACT (frul_actionrout_t*)0 | |
1763 | ||
1764 | /* The array of our rules governing file name generation. Rules order | |
1765 | matters, so change with extreme care! */ | |
1766 | ||
1767 | struct file_rule_st files_rules[] = { | |
b8f73c52 | 1768 | /* The general rule assumes that files in subdirectories belong to a |
1769 | particular front-end, and files not in subdirectories are shared. | |
1770 | The following rules deal with exceptions - files that are in | |
1771 | subdirectories and yet are shared, and files that are top-level, | |
1772 | but are not shared. */ | |
1773 | ||
8fda3262 | 1774 | /* the c-family/ source directory is special. */ |
1775 | { DIR_PREFIX_REGEX "c-family/([[:alnum:]_-]*)\\.c$", | |
1776 | REG_EXTENDED, NULL_REGEX, | |
1777 | "gt-c-family-$3.h", "c-family/$3.c", NULL_FRULACT}, | |
1778 | ||
1779 | { DIR_PREFIX_REGEX "c-family/([[:alnum:]_-]*)\\.h$", | |
1780 | REG_EXTENDED, NULL_REGEX, | |
1781 | "gt-c-family-$3.h", "c-family/$3.h", NULL_FRULACT}, | |
1782 | ||
1783 | /* Both c-lang.h & c-tree.h gives gt-c-decl.h for c-decl.c ! */ | |
1784 | { DIR_PREFIX_REGEX "c-lang\\.h$", | |
1785 | REG_EXTENDED, NULL_REGEX, "gt-c-decl.h", "c-decl.c", NULL_FRULACT}, | |
1786 | ||
1787 | { DIR_PREFIX_REGEX "c-tree\\.h$", | |
1788 | REG_EXTENDED, NULL_REGEX, "gt-c-decl.h", "c-decl.c", NULL_FRULACT}, | |
1789 | ||
1790 | /* cp/cp-tree.h gives gt-cp-tree.h for cp/tree.c ! */ | |
1791 | { DIR_PREFIX_REGEX "cp/cp-tree\\.h$", | |
1792 | REG_EXTENDED, NULL_REGEX, | |
1793 | "gt-cp-tree.h", "cp/tree.c", NULL_FRULACT }, | |
1794 | ||
1795 | /* cp/decl.h & cp/decl.c gives gt-cp-decl.h for cp/decl.c ! */ | |
1796 | { DIR_PREFIX_REGEX "cp/decl\\.[ch]$", | |
1797 | REG_EXTENDED, NULL_REGEX, | |
1798 | "gt-cp-decl.h", "cp/decl.c", NULL_FRULACT }, | |
1799 | ||
1800 | /* cp/name-lookup.h gives gt-cp-name-lookup.h for cp/name-lookup.c ! */ | |
1801 | { DIR_PREFIX_REGEX "cp/name-lookup\\.h$", | |
1802 | REG_EXTENDED, NULL_REGEX, | |
1803 | "gt-cp-name-lookup.h", "cp/name-lookup.c", NULL_FRULACT }, | |
1804 | ||
b8f73c52 | 1805 | /* cp/parser.h gives gt-cp-parser.h for cp/parser.c ! */ |
1806 | { DIR_PREFIX_REGEX "cp/parser\\.h$", | |
1807 | REG_EXTENDED, NULL_REGEX, | |
1808 | "gt-cp-parser.h", "cp/parser.c", NULL_FRULACT }, | |
1809 | ||
1810 | /* objc/objc-act.h gives gt-objc-objc-act.h for objc/objc-act.c ! */ | |
8fda3262 | 1811 | { DIR_PREFIX_REGEX "objc/objc-act\\.h$", |
1812 | REG_EXTENDED, NULL_REGEX, | |
1813 | "gt-objc-objc-act.h", "objc/objc-act.c", NULL_FRULACT }, | |
1814 | ||
1815 | /* General cases. For header *.h and source *.c files, we need | |
1816 | * special actions to handle the language. */ | |
1817 | ||
1818 | /* Source *.c files are using get_file_gtfilename to compute their | |
1819 | output_name and get_file_basename to compute their for_name | |
1820 | thru the source_dot_c_frul action. */ | |
1821 | { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.c$", | |
1822 | REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.c", source_dot_c_frul}, | |
1823 | /* Common header files get "gtype-desc.c" as their output_name, | |
1824 | * while language specific header files are handled specially. So | |
1825 | * we need the header_dot_h_frul action. */ | |
1826 | { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.h$", | |
1827 | REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.h", header_dot_h_frul}, | |
1828 | ||
1829 | { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.in$", | |
1830 | REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.in", NULL_FRULACT}, | |
1831 | ||
1832 | /* Mandatory null last entry signaling end of rules. */ | |
1833 | {NULL, 0, NULL_REGEX, NULL, NULL, NULL_FRULACT} | |
1834 | }; | |
1835 | ||
1836 | /* Special file rules action for handling *.h header files. It gives | |
1837 | "gtype-desc.c" for common headers and corresponding output | |
1838 | files for language-specific header files. */ | |
1839 | static outf_p | |
3fb0e0f3 | 1840 | header_dot_h_frul (input_file* inpf, char**poutname, |
1841 | char**pforname ATTRIBUTE_UNUSED) | |
8fda3262 | 1842 | { |
1843 | const char *basename = 0; | |
1844 | int lang_index = 0; | |
8fda3262 | 1845 | DBGPRINTF ("inpf %p inpname %s outname %s forname %s", |
b6f98a38 | 1846 | (void*) inpf, get_input_file_name (inpf), |
1847 | *poutname, *pforname); | |
8fda3262 | 1848 | basename = get_file_basename (inpf); |
1849 | lang_index = get_prefix_langdir_index (basename); | |
1850 | DBGPRINTF ("basename %s lang_index %d", basename, lang_index); | |
1851 | ||
1852 | if (lang_index >= 0) | |
1853 | { | |
1854 | /* The header is language specific. Given output_name & | |
1855 | for_name remains unchanged. The base_files array gives the | |
1856 | outf_p. */ | |
1857 | DBGPRINTF ("header_dot_h found language specific @ %p '%s'", | |
1858 | (void*) base_files[lang_index], | |
1859 | (base_files[lang_index])->name); | |
1860 | return base_files[lang_index]; | |
1861 | } | |
1862 | else | |
1863 | { | |
1864 | /* The header is common to all front-end languages. So | |
1865 | output_name is "gtype-desc.c" file. The calling function | |
1866 | get_output_file_with_visibility will find its outf_p. */ | |
1867 | free (*poutname); | |
1868 | *poutname = xstrdup ("gtype-desc.c"); | |
b6f98a38 | 1869 | DBGPRINTF ("special 'gtype-desc.c' for inpname %s", |
1870 | get_input_file_name (inpf)); | |
8fda3262 | 1871 | return NULL; |
1872 | } | |
1873 | } | |
1874 | ||
1875 | ||
1876 | /* Special file rules action for handling *.c source files using | |
1877 | * get_file_gtfilename to compute their output_name and | |
1878 | * get_file_basename to compute their for_name. The output_name is | |
1879 | * gt-<LANG>-<BASE>.h for language specific source files, and | |
1880 | * gt-<BASE>.h for common source files. */ | |
1881 | static outf_p | |
1882 | source_dot_c_frul (input_file* inpf, char**poutname, char**pforname) | |
1883 | { | |
1884 | char *newbasename = CONST_CAST (char*, get_file_basename (inpf)); | |
1885 | char *newoutname = CONST_CAST (char*, get_file_gtfilename (inpf)); | |
8fda3262 | 1886 | DBGPRINTF ("inpf %p inpname %s original outname %s forname %s", |
b6f98a38 | 1887 | (void*) inpf, get_input_file_name (inpf), |
1888 | *poutname, *pforname); | |
8fda3262 | 1889 | DBGPRINTF ("newoutname %s", newoutname); |
1890 | DBGPRINTF ("newbasename %s", newbasename); | |
1891 | free (*poutname); | |
1892 | free (*pforname); | |
1893 | *poutname = newoutname; | |
1894 | *pforname = newbasename; | |
1895 | return NULL; | |
1896 | } | |
1897 | ||
1898 | /* Utility function for get_output_file_with_visibility which returns | |
1899 | * a malloc-ed substituted string using TRS on matching of the FILNAM | |
1900 | * file name, using the PMATCH array. */ | |
1901 | static char* | |
1902 | matching_file_name_substitute (const char *filnam, regmatch_t pmatch[10], | |
1903 | const char *trs) | |
1904 | { | |
1905 | struct obstack str_obstack; | |
1906 | char *str = NULL; | |
1907 | char *rawstr = NULL; | |
1908 | const char *pt = NULL; | |
1909 | DBGPRINTF ("filnam %s", filnam); | |
1910 | obstack_init (&str_obstack); | |
1911 | for (pt = trs; *pt; pt++) { | |
1912 | char c = *pt; | |
1913 | if (c == '$') | |
1914 | { | |
1915 | if (pt[1] == '$') | |
1916 | { | |
1917 | /* A double dollar $$ is substituted by a single verbatim | |
1918 | dollar, but who really uses dollar signs in file | |
1919 | paths? */ | |
1920 | obstack_1grow (&str_obstack, '$'); | |
1921 | } | |
1922 | else if (ISDIGIT (pt[1])) | |
1923 | { | |
1924 | /* Handle $0 $1 ... $9 by appropriate substitution. */ | |
1925 | int dolnum = pt[1] - '0'; | |
1926 | int so = pmatch[dolnum].rm_so; | |
1927 | int eo = pmatch[dolnum].rm_eo; | |
1928 | DBGPRINTF ("so=%d eo=%d dolnum=%d", so, eo, dolnum); | |
1929 | if (so>=0 && eo>=so) | |
1930 | obstack_grow (&str_obstack, filnam + so, eo - so); | |
1931 | } | |
1932 | else | |
1933 | { | |
1934 | /* This can happen only when files_rules is buggy! */ | |
1935 | gcc_unreachable(); | |
1936 | } | |
1937 | /* Always skip the character after the dollar. */ | |
1938 | pt++; | |
1939 | } | |
1940 | else | |
1941 | obstack_1grow (&str_obstack, c); | |
1942 | } | |
1943 | obstack_1grow (&str_obstack, '\0'); | |
1944 | rawstr = XOBFINISH (&str_obstack, char *); | |
1945 | str = xstrdup (rawstr); | |
1946 | obstack_free (&str_obstack, rawstr); | |
1947 | DBGPRINTF ("matched replacement %s", str); | |
1948 | rawstr = NULL; | |
1949 | return str; | |
1950 | } | |
1951 | ||
1952 | ||
155e048d | 1953 | /* An output file, suitable for definitions, that can see declarations |
dc8a8bf5 | 1954 | made in INPF and is linked into every language that uses INPF. |
1955 | Since the the result is cached inside INPF, that argument cannot be | |
1956 | declared constant, but is "almost" constant. */ | |
155e048d | 1957 | |
92570e7a | 1958 | outf_p |
dc8a8bf5 | 1959 | get_output_file_with_visibility (input_file *inpf) |
1f3233d1 | 1960 | { |
92570e7a | 1961 | outf_p r; |
8fda3262 | 1962 | char *for_name = NULL; |
1963 | char *output_name = NULL; | |
1964 | const char* inpfname; | |
1f3233d1 | 1965 | |
92570e7a | 1966 | /* This can happen when we need a file with visibility on a |
1967 | structure that we've never seen. We have to just hope that it's | |
1968 | globally visible. */ | |
dc8a8bf5 | 1969 | if (inpf == NULL) |
1970 | inpf = system_h_file; | |
1f3233d1 | 1971 | |
8fda3262 | 1972 | /* The result is cached in INPF, so return it if already known. */ |
1973 | if (inpf->inpoutf) | |
1974 | return inpf->inpoutf; | |
1975 | ||
9dc75945 | 1976 | /* In plugin mode, return NULL unless the input_file is one of the |
1977 | plugin_files. */ | |
ae8a3b92 | 1978 | if (plugin_files) |
1979 | { | |
c5b683ff | 1980 | size_t i; |
ae8a3b92 | 1981 | for (i = 0; i < nb_plugin_files; i++) |
8fda3262 | 1982 | if (inpf == plugin_files[i]) |
1983 | { | |
1984 | inpf->inpoutf = plugin_output; | |
1985 | return plugin_output; | |
1986 | } | |
ae8a3b92 | 1987 | |
1988 | return NULL; | |
9dc75945 | 1989 | } |
1990 | ||
8fda3262 | 1991 | inpfname = get_input_file_name (inpf); |
1f3233d1 | 1992 | |
8fda3262 | 1993 | /* Try each rule in sequence in files_rules until one is triggered. */ |
1994 | { | |
1995 | int rulix = 0; | |
1996 | DBGPRINTF ("passing input file @ %p named %s thru the files_rules", | |
1997 | (void*) inpf, inpfname); | |
1998 | ||
1999 | for (; files_rules[rulix].frul_srcexpr != NULL; rulix++) | |
2000 | { | |
2001 | DBGPRINTF ("rulix#%d srcexpr %s", | |
2002 | rulix, files_rules[rulix].frul_srcexpr); | |
2003 | ||
2004 | if (!files_rules[rulix].frul_re) | |
2005 | { | |
2006 | /* Compile the regexpr lazily. */ | |
2007 | int err = 0; | |
2008 | files_rules[rulix].frul_re = XCNEW (regex_t); | |
2009 | err = regcomp (files_rules[rulix].frul_re, | |
2010 | files_rules[rulix].frul_srcexpr, | |
2011 | files_rules[rulix].frul_rflags); | |
2012 | if (err) | |
2013 | { | |
2014 | /* The regular expression compilation fails only when | |
2015 | file_rules is buggy. */ | |
2016 | gcc_unreachable (); | |
2017 | } | |
2018 | } | |
1a97be37 | 2019 | |
8fda3262 | 2020 | output_name = NULL; |
2021 | for_name = NULL; | |
92570e7a | 2022 | |
8fda3262 | 2023 | /* Match the regexpr and trigger the rule if matched. */ |
2024 | { | |
2025 | /* We have exactly ten pmatch-s, one for each $0, $1, $2, | |
2026 | $3, ... $9. */ | |
2027 | regmatch_t pmatch[10]; | |
2028 | memset (pmatch, 0, sizeof (pmatch)); | |
2029 | if (!regexec (files_rules[rulix].frul_re, | |
2030 | inpfname, 10, pmatch, 0)) | |
2031 | { | |
2032 | DBGPRINTF ("input @ %p filename %s matched rulix#%d pattern %s", | |
2033 | (void*) inpf, inpfname, rulix, | |
2034 | files_rules[rulix].frul_srcexpr); | |
2035 | for_name = | |
2036 | matching_file_name_substitute (inpfname, pmatch, | |
2037 | files_rules[rulix].frul_tr_for); | |
2038 | DBGPRINTF ("for_name %s", for_name); | |
2039 | output_name = | |
2040 | matching_file_name_substitute (inpfname, pmatch, | |
2041 | files_rules[rulix].frul_tr_out); | |
2042 | DBGPRINTF ("output_name %s", output_name); | |
2043 | if (files_rules[rulix].frul_action) | |
2044 | { | |
2045 | /* Invoke our action routine. */ | |
2046 | outf_p of = NULL; | |
2047 | DBGPRINTF ("before action rulix#%d output_name %s for_name %s", | |
2048 | rulix, output_name, for_name); | |
2049 | of = | |
2050 | (files_rules[rulix].frul_action) (inpf, | |
2051 | &output_name, &for_name); | |
2052 | DBGPRINTF ("after action rulix#%d of=%p output_name %s for_name %s", | |
2053 | rulix, (void*)of, output_name, for_name); | |
2054 | /* If the action routine returned something, give it back | |
2055 | immediately and cache it in inpf. */ | |
2056 | if (of) | |
2057 | { | |
2058 | inpf->inpoutf = of; | |
2059 | return of; | |
2060 | } | |
2061 | } | |
2062 | /* The rule matched, and had no action, or that action did | |
2063 | not return any output file but could have changed the | |
2064 | output_name or for_name. We break out of the loop on the | |
2065 | files_rules. */ | |
2066 | break; | |
2067 | } | |
2068 | else | |
2069 | { | |
2070 | /* The regexpr did not match. */ | |
2071 | DBGPRINTF ("rulix#%d did not match %s pattern %s", | |
2072 | rulix, inpfname, files_rules[rulix].frul_srcexpr); | |
2073 | continue; | |
2074 | } | |
2075 | } | |
2076 | } | |
2077 | } | |
2078 | if (!output_name || !for_name) | |
2079 | { | |
2080 | /* This is impossible, and could only happen if the files_rules is | |
2081 | incomplete or buggy. */ | |
2082 | gcc_unreachable (); | |
1f3233d1 | 2083 | } |
2084 | ||
8fda3262 | 2085 | /* Look through to see if we've ever seen this output filename |
2086 | before. If found, cache the result in inpf. */ | |
92570e7a | 2087 | for (r = output_files; r; r = r->next) |
82715bcd | 2088 | if (filename_cmp (r->name, output_name) == 0) |
8fda3262 | 2089 | { |
2090 | inpf->inpoutf = r; | |
2091 | DBGPRINTF ("found r @ %p for output_name %s for_name %s", (void*)r, | |
2092 | output_name, for_name); | |
2093 | return r; | |
2094 | } | |
1f3233d1 | 2095 | |
8fda3262 | 2096 | /* If not found, create it, and cache it in inpf. */ |
92570e7a | 2097 | r = create_file (for_name, output_name); |
1f3233d1 | 2098 | |
9dc75945 | 2099 | gcc_assert (r && r->name); |
8fda3262 | 2100 | DBGPRINTF ("created r @ %p for output_name %s for_name %s", (void*) r, |
2101 | output_name, for_name); | |
2102 | inpf->inpoutf = r; | |
92570e7a | 2103 | return r; |
8fda3262 | 2104 | |
2105 | ||
1f3233d1 | 2106 | } |
2107 | ||
155e048d | 2108 | /* The name of an output file, suitable for definitions, that can see |
dc8a8bf5 | 2109 | declarations made in INPF and is linked into every language that |
2110 | uses INPF. */ | |
155e048d | 2111 | |
1f3233d1 | 2112 | const char * |
dc8a8bf5 | 2113 | get_output_file_name (input_file* inpf) |
1f3233d1 | 2114 | { |
dc8a8bf5 | 2115 | outf_p o = get_output_file_with_visibility (inpf); |
9dc75945 | 2116 | if (o) |
2117 | return o->name; | |
2118 | return NULL; | |
1f3233d1 | 2119 | } |
2120 | ||
8797d684 | 2121 | /* Check if existing file is equal to the in memory buffer. */ |
2122 | ||
2123 | static bool | |
2124 | is_file_equal (outf_p of) | |
2125 | { | |
2126 | FILE *newfile = fopen (of->name, "r"); | |
2127 | size_t i; | |
2128 | bool equal; | |
2129 | if (newfile == NULL) | |
2130 | return false; | |
2131 | ||
2132 | equal = true; | |
2133 | for (i = 0; i < of->bufused; i++) | |
2134 | { | |
2135 | int ch; | |
2136 | ch = fgetc (newfile); | |
2137 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
2138 | { | |
2139 | equal = false; | |
2140 | break; | |
2141 | } | |
2142 | } | |
2143 | fclose (newfile); | |
2144 | return equal; | |
2145 | } | |
2146 | ||
92570e7a | 2147 | /* Copy the output to its final destination, |
155e048d | 2148 | but don't unnecessarily change modification times. */ |
2149 | ||
1f3233d1 | 2150 | static void |
1a97be37 | 2151 | close_output_files (void) |
1f3233d1 | 2152 | { |
e62e715c | 2153 | int nbwrittenfiles = 0; |
92570e7a | 2154 | outf_p of; |
1a97be37 | 2155 | |
92570e7a | 2156 | for (of = output_files; of; of = of->next) |
1f3233d1 | 2157 | { |
1f3233d1 | 2158 | |
01c8b828 | 2159 | if (!is_file_equal (of)) |
2160 | { | |
e62e715c | 2161 | FILE *newfile = NULL; |
2162 | char *backupname = NULL; | |
2163 | /* Back up the old version of the output file gt-FOO.c as | |
2164 | BACKUPDIR/gt-FOO.c~ if we have a backup directory. */ | |
2165 | if (backup_dir) | |
2166 | { | |
2167 | backupname = concat (backup_dir, "/", | |
2168 | lbasename (of->name), "~", NULL); | |
2169 | if (!access (of->name, F_OK) && rename (of->name, backupname)) | |
2170 | fatal ("failed to back up %s as %s: %s", | |
2171 | of->name, backupname, xstrerror (errno)); | |
2172 | } | |
2173 | ||
2174 | newfile = fopen (of->name, "w"); | |
01c8b828 | 2175 | if (newfile == NULL) |
2176 | fatal ("opening output file %s: %s", of->name, xstrerror (errno)); | |
2177 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) | |
2178 | fatal ("writing output file %s: %s", of->name, xstrerror (errno)); | |
2179 | if (fclose (newfile) != 0) | |
2180 | fatal ("closing output file %s: %s", of->name, xstrerror (errno)); | |
e62e715c | 2181 | nbwrittenfiles++; |
2182 | if (verbosity_level >= 2 && backupname) | |
2183 | printf ("%s wrote #%-3d %s backed-up in %s\n", | |
2184 | progname, nbwrittenfiles, of->name, backupname); | |
2185 | else if (verbosity_level >= 1) | |
2186 | printf ("%s write #%-3d %s\n", progname, nbwrittenfiles, of->name); | |
2187 | free (backupname); | |
2188 | } | |
2189 | else | |
2190 | { | |
2191 | /* output file remains unchanged. */ | |
2192 | if (verbosity_level >= 2) | |
2193 | printf ("%s keep %s\n", progname, of->name); | |
01c8b828 | 2194 | } |
2195 | free (of->buf); | |
8797d684 | 2196 | of->buf = NULL; |
2197 | of->bufused = of->buflength = 0; | |
1f3233d1 | 2198 | } |
e62e715c | 2199 | if (verbosity_level >= 1) |
2200 | printf ("%s wrote %d files.\n", progname, nbwrittenfiles); | |
1f3233d1 | 2201 | } |
2202 | \f | |
01c8b828 | 2203 | struct flist |
2204 | { | |
1f3233d1 | 2205 | struct flist *next; |
2206 | int started_p; | |
dc8a8bf5 | 2207 | const input_file* file; |
92570e7a | 2208 | outf_p f; |
1f3233d1 | 2209 | }; |
2210 | ||
573aba85 | 2211 | struct walk_type_data; |
2212 | ||
2213 | /* For scalars and strings, given the item in 'val'. | |
2214 | For structures, given a pointer to the item in 'val'. | |
2215 | For misc. pointers, given the item in 'val'. | |
2216 | */ | |
01c8b828 | 2217 | typedef void (*process_field_fn) (type_p f, const struct walk_type_data * p); |
2218 | typedef void (*func_name_fn) (type_p s, const struct walk_type_data * p); | |
573aba85 | 2219 | |
2220 | /* Parameters for write_types. */ | |
2221 | ||
1a97be37 | 2222 | struct write_types_data |
573aba85 | 2223 | { |
2224 | const char *prefix; | |
2225 | const char *param_prefix; | |
2226 | const char *subfield_marker_routine; | |
2227 | const char *marker_routine; | |
2228 | const char *reorder_note_routine; | |
2229 | const char *comment; | |
b0a1d041 | 2230 | int skip_hooks; /* skip hook generation if non zero */ |
573aba85 | 2231 | }; |
2232 | ||
1a97be37 | 2233 | static void output_escaped_param (struct walk_type_data *d, |
2234 | const char *, const char *); | |
dea3189b | 2235 | static void output_mangled_typename (outf_p, const_type_p); |
1a97be37 | 2236 | static void walk_type (type_p t, struct walk_type_data *d); |
01c8b828 | 2237 | static void write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
ba72912a | 2238 | const struct write_types_data *wtd); |
1a97be37 | 2239 | static void write_types_process_field |
01c8b828 | 2240 | (type_p f, const struct walk_type_data *d); |
8603e6a7 | 2241 | static void write_types (outf_p output_header, |
01c8b828 | 2242 | type_p structures, |
1a97be37 | 2243 | type_p param_structs, |
2244 | const struct write_types_data *wtd); | |
573aba85 | 2245 | static void write_types_local_process_field |
01c8b828 | 2246 | (type_p f, const struct walk_type_data *d); |
573aba85 | 2247 | static void write_local_func_for_structure |
01c8b828 | 2248 | (const_type_p orig_s, type_p s, type_p *param); |
8603e6a7 | 2249 | static void write_local (outf_p output_header, |
01c8b828 | 2250 | type_p structures, type_p param_structs); |
1a97be37 | 2251 | static void write_enum_defn (type_p structures, type_p param_structs); |
2252 | static int contains_scalar_p (type_p t); | |
dc8a8bf5 | 2253 | static void put_mangled_filename (outf_p, const input_file *); |
1a97be37 | 2254 | static void finish_root_table (struct flist *flp, const char *pfx, |
2255 | const char *tname, const char *lastname, | |
2256 | const char *name); | |
01c8b828 | 2257 | static void write_root (outf_p, pair_p, type_p, const char *, int, |
67b6ca97 | 2258 | struct fileloc *, const char *, bool); |
1a97be37 | 2259 | static void write_array (outf_p f, pair_p v, |
2260 | const struct write_types_data *wtd); | |
67b6ca97 | 2261 | static void write_roots (pair_p, bool); |
1f3233d1 | 2262 | |
573aba85 | 2263 | /* Parameters for walk_type. */ |
1f3233d1 | 2264 | |
573aba85 | 2265 | struct walk_type_data |
1f3233d1 | 2266 | { |
573aba85 | 2267 | process_field_fn process_field; |
2268 | const void *cookie; | |
2269 | outf_p of; | |
2270 | options_p opt; | |
2271 | const char *val; | |
2272 | const char *prev_val[4]; | |
2273 | int indent; | |
2274 | int counter; | |
e3b362c8 | 2275 | const struct fileloc *line; |
573aba85 | 2276 | lang_bitmap bitmap; |
2277 | type_p *param; | |
2278 | int used_length; | |
2279 | type_p orig_s; | |
2280 | const char *reorder_fn; | |
c39ed964 | 2281 | bool needs_cast_p; |
2282 | bool fn_wants_lvalue; | |
573aba85 | 2283 | }; |
c849df63 | 2284 | |
2285 | /* Print a mangled name representing T to OF. */ | |
2286 | ||
2287 | static void | |
dea3189b | 2288 | output_mangled_typename (outf_p of, const_type_p t) |
c849df63 | 2289 | { |
2290 | if (t == NULL) | |
2291 | oprintf (of, "Z"); | |
01c8b828 | 2292 | else |
2293 | switch (t->kind) | |
c849df63 | 2294 | { |
8be1803e | 2295 | case TYPE_NONE: |
2296 | gcc_unreachable (); | |
2297 | break; | |
01c8b828 | 2298 | case TYPE_POINTER: |
2299 | oprintf (of, "P"); | |
2300 | output_mangled_typename (of, t->u.p); | |
2301 | break; | |
2302 | case TYPE_SCALAR: | |
2303 | oprintf (of, "I"); | |
2304 | break; | |
2305 | case TYPE_STRING: | |
2306 | oprintf (of, "S"); | |
2307 | break; | |
2308 | case TYPE_STRUCT: | |
2309 | case TYPE_UNION: | |
2310 | case TYPE_LANG_STRUCT: | |
2311 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), | |
2312 | t->u.s.tag); | |
2313 | break; | |
2314 | case TYPE_PARAM_STRUCT: | |
2315 | { | |
2316 | int i; | |
2317 | for (i = 0; i < NUM_PARAM; i++) | |
2318 | if (t->u.param_struct.param[i] != NULL) | |
2319 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
2320 | output_mangled_typename (of, t->u.param_struct.stru); | |
2321 | } | |
2322 | break; | |
2323 | case TYPE_ARRAY: | |
2324 | gcc_unreachable (); | |
c849df63 | 2325 | } |
1f3233d1 | 2326 | } |
2327 | ||
573aba85 | 2328 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
2329 | current object, D->PREV_VAL the object containing the current | |
2330 | object, ONAME is the name of the option and D->LINE is used to | |
2331 | print error messages. */ | |
155e048d | 2332 | |
1f3233d1 | 2333 | static void |
1a97be37 | 2334 | output_escaped_param (struct walk_type_data *d, const char *param, |
2335 | const char *oname) | |
1f3233d1 | 2336 | { |
573aba85 | 2337 | const char *p; |
1a97be37 | 2338 | |
573aba85 | 2339 | for (p = param; *p; p++) |
2340 | if (*p != '%') | |
2341 | oprintf (d->of, "%c", *p); | |
01c8b828 | 2342 | else |
2343 | switch (*++p) | |
1f3233d1 | 2344 | { |
01c8b828 | 2345 | case 'h': |
2346 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
2347 | break; | |
2348 | case '0': | |
2349 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
2350 | break; | |
2351 | case '1': | |
2352 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
2353 | break; | |
2354 | case 'a': | |
2355 | { | |
2356 | const char *pp = d->val + strlen (d->val); | |
2357 | while (pp[-1] == ']') | |
2358 | while (*pp != '[') | |
2359 | pp--; | |
2360 | oprintf (d->of, "%s", pp); | |
2361 | } | |
2362 | break; | |
2363 | default: | |
2364 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
2365 | oname, '%', *p); | |
1f3233d1 | 2366 | } |
573aba85 | 2367 | } |
1f3233d1 | 2368 | |
573aba85 | 2369 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
2370 | which is of type T. Write code to D->OF to constrain execution (at | |
2371 | the point that D->PROCESS_FIELD is called) to the appropriate | |
b14c9131 | 2372 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
2373 | pointers to those objects. D->PREV_VAL lists the objects | |
2374 | containing the current object, D->OPT is a list of options to | |
2375 | apply, D->INDENT is the current indentation level, D->LINE is used | |
2376 | to print error messages, D->BITMAP indicates which languages to | |
2377 | print the structure for, and D->PARAM is the current parameter | |
2378 | (from an enclosing param_is option). */ | |
1f3233d1 | 2379 | |
573aba85 | 2380 | static void |
1a97be37 | 2381 | walk_type (type_p t, struct walk_type_data *d) |
573aba85 | 2382 | { |
2383 | const char *length = NULL; | |
2384 | const char *desc = NULL; | |
2385 | int maybe_undef_p = 0; | |
2386 | int use_param_num = -1; | |
2387 | int use_params_p = 0; | |
573aba85 | 2388 | options_p oo; |
8ed01400 | 2389 | const struct nested_ptr_data *nested_ptr_d = NULL; |
1a97be37 | 2390 | |
c39ed964 | 2391 | d->needs_cast_p = false; |
573aba85 | 2392 | for (oo = d->opt; oo; oo = oo->next) |
8be1803e | 2393 | if (strcmp (oo->name, "length") == 0 && oo->kind == OPTION_STRING) |
2394 | length = oo->info.string; | |
573aba85 | 2395 | else if (strcmp (oo->name, "maybe_undef") == 0) |
2396 | maybe_undef_p = 1; | |
2397 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
2398 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2399 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
2400 | else if (strcmp (oo->name, "use_params") == 0) | |
2401 | use_params_p = 1; | |
8be1803e | 2402 | else if (strcmp (oo->name, "desc") == 0 && oo->kind == OPTION_STRING) |
2403 | desc = oo->info.string; | |
b0a1d041 | 2404 | else if (strcmp (oo->name, "mark_hook") == 0) |
2405 | ; | |
8be1803e | 2406 | else if (strcmp (oo->name, "nested_ptr") == 0 |
2407 | && oo->kind == OPTION_NESTED) | |
2408 | nested_ptr_d = (const struct nested_ptr_data *) oo->info.nested; | |
573aba85 | 2409 | else if (strcmp (oo->name, "dot") == 0) |
2410 | ; | |
2411 | else if (strcmp (oo->name, "tag") == 0) | |
2412 | ; | |
2413 | else if (strcmp (oo->name, "special") == 0) | |
2414 | ; | |
2415 | else if (strcmp (oo->name, "skip") == 0) | |
2416 | ; | |
2417 | else if (strcmp (oo->name, "default") == 0) | |
2418 | ; | |
573aba85 | 2419 | else if (strcmp (oo->name, "param_is") == 0) |
2420 | ; | |
8578ce7b | 2421 | else if (strncmp (oo->name, "param", 5) == 0 |
01c8b828 | 2422 | && ISDIGIT (oo->name[5]) && strcmp (oo->name + 6, "_is") == 0) |
8578ce7b | 2423 | ; |
573aba85 | 2424 | else if (strcmp (oo->name, "chain_next") == 0) |
2425 | ; | |
2426 | else if (strcmp (oo->name, "chain_prev") == 0) | |
2427 | ; | |
ae093573 | 2428 | else if (strcmp (oo->name, "chain_circular") == 0) |
2429 | ; | |
573aba85 | 2430 | else if (strcmp (oo->name, "reorder") == 0) |
2431 | ; | |
ba72912a | 2432 | else if (strcmp (oo->name, "variable_size") == 0) |
2433 | ; | |
573aba85 | 2434 | else |
2435 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
c849df63 | 2436 | |
573aba85 | 2437 | if (d->used_length) |
2438 | length = NULL; | |
c849df63 | 2439 | |
573aba85 | 2440 | if (use_params_p) |
2441 | { | |
2442 | int pointer_p = t->kind == TYPE_POINTER; | |
1a97be37 | 2443 | |
573aba85 | 2444 | if (pointer_p) |
2445 | t = t->u.p; | |
01c8b828 | 2446 | if (!UNION_OR_STRUCT_P (t)) |
573aba85 | 2447 | error_at_line (d->line, "`use_params' option on unimplemented type"); |
1a97be37 | 2448 | else |
573aba85 | 2449 | t = find_param_structure (t, d->param); |
2450 | if (pointer_p) | |
2451 | t = create_pointer (t); | |
2452 | } | |
1a97be37 | 2453 | |
573aba85 | 2454 | if (use_param_num != -1) |
2455 | { | |
2456 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
1f3233d1 | 2457 | { |
573aba85 | 2458 | type_p nt = d->param[use_param_num]; |
1a97be37 | 2459 | |
573aba85 | 2460 | if (t->kind == TYPE_ARRAY) |
2461 | nt = create_array (nt, t->u.a.len); | |
2462 | else if (length != NULL && t->kind == TYPE_POINTER) | |
2463 | nt = create_pointer (nt); | |
b41d328d | 2464 | d->needs_cast_p = (t->kind != TYPE_POINTER |
2465 | && (nt->kind == TYPE_POINTER | |
2466 | || nt->kind == TYPE_STRING)); | |
573aba85 | 2467 | t = nt; |
1f3233d1 | 2468 | } |
573aba85 | 2469 | else |
01c8b828 | 2470 | error_at_line (d->line, "no parameter defined for `%s'", d->val); |
573aba85 | 2471 | } |
1a97be37 | 2472 | |
2473 | if (maybe_undef_p | |
01c8b828 | 2474 | && (t->kind != TYPE_POINTER || !UNION_OR_STRUCT_P (t->u.p))) |
573aba85 | 2475 | { |
1a97be37 | 2476 | error_at_line (d->line, |
573aba85 | 2477 | "field `%s' has invalid option `maybe_undef_p'\n", |
2478 | d->val); | |
2479 | return; | |
2480 | } | |
1a97be37 | 2481 | |
573aba85 | 2482 | switch (t->kind) |
2483 | { | |
2484 | case TYPE_SCALAR: | |
2485 | case TYPE_STRING: | |
2486 | d->process_field (t, d); | |
2487 | break; | |
1a97be37 | 2488 | |
573aba85 | 2489 | case TYPE_POINTER: |
2490 | { | |
01c8b828 | 2491 | if (maybe_undef_p && t->u.p->u.s.line.file == NULL) |
573aba85 | 2492 | { |
e0a4c0c2 | 2493 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
573aba85 | 2494 | break; |
2495 | } | |
1f3233d1 | 2496 | |
01c8b828 | 2497 | if (!length) |
1f3233d1 | 2498 | { |
01c8b828 | 2499 | if (!UNION_OR_STRUCT_P (t->u.p) |
573aba85 | 2500 | && t->u.p->kind != TYPE_PARAM_STRUCT) |
1f3233d1 | 2501 | { |
1a97be37 | 2502 | error_at_line (d->line, |
573aba85 | 2503 | "field `%s' is pointer to unimplemented type", |
2504 | d->val); | |
1f3233d1 | 2505 | break; |
2506 | } | |
1a97be37 | 2507 | |
8ed01400 | 2508 | if (nested_ptr_d) |
2509 | { | |
2510 | const char *oldprevval2 = d->prev_val[2]; | |
2511 | ||
01c8b828 | 2512 | if (!UNION_OR_STRUCT_P (nested_ptr_d->type)) |
8ed01400 | 2513 | { |
2514 | error_at_line (d->line, | |
2515 | "field `%s' has invalid " | |
01c8b828 | 2516 | "option `nested_ptr'\n", d->val); |
8ed01400 | 2517 | return; |
2518 | } | |
2519 | ||
2520 | d->prev_val[2] = d->val; | |
2521 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2522 | d->indent += 2; | |
2523 | d->val = xasprintf ("x%d", d->counter++); | |
c39ed964 | 2524 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
48e1416a | 2525 | (nested_ptr_d->type->kind == TYPE_UNION |
2526 | ? "union" : "struct"), | |
2527 | nested_ptr_d->type->u.s.tag, | |
01c8b828 | 2528 | d->fn_wants_lvalue ? "" : "const ", d->val); |
8ed01400 | 2529 | oprintf (d->of, "%*s", d->indent + 2, ""); |
2530 | output_escaped_param (d, nested_ptr_d->convert_from, | |
2531 | "nested_ptr"); | |
2532 | oprintf (d->of, ";\n"); | |
2533 | ||
2534 | d->process_field (nested_ptr_d->type, d); | |
2535 | ||
c39ed964 | 2536 | if (d->fn_wants_lvalue) |
2537 | { | |
2538 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
2539 | d->prev_val[2]); | |
2540 | d->prev_val[2] = d->val; | |
2541 | output_escaped_param (d, nested_ptr_d->convert_to, | |
2542 | "nested_ptr"); | |
2543 | oprintf (d->of, ";\n"); | |
2544 | } | |
8ed01400 | 2545 | |
2546 | d->indent -= 2; | |
2547 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2548 | d->val = d->prev_val[2]; | |
2549 | d->prev_val[2] = oldprevval2; | |
2550 | } | |
2551 | else | |
2552 | d->process_field (t->u.p, d); | |
1f3233d1 | 2553 | } |
1a97be37 | 2554 | else |
1f3233d1 | 2555 | { |
573aba85 | 2556 | int loopcounter = d->counter++; |
2557 | const char *oldval = d->val; | |
2558 | const char *oldprevval3 = d->prev_val[3]; | |
1f3233d1 | 2559 | char *newval; |
2560 | ||
573aba85 | 2561 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
2562 | d->indent += 2; | |
2563 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
01c8b828 | 2564 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, |
2565 | "", loopcounter, loopcounter); | |
573aba85 | 2566 | output_escaped_param (d, length, "length"); |
2567 | oprintf (d->of, "); i%d++) {\n", loopcounter); | |
2568 | d->indent += 2; | |
2569 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2570 | d->used_length = 1; | |
2571 | d->prev_val[3] = oldval; | |
2572 | walk_type (t->u.p, d); | |
1f3233d1 | 2573 | free (newval); |
573aba85 | 2574 | d->val = oldval; |
2575 | d->prev_val[3] = oldprevval3; | |
2576 | d->used_length = 0; | |
2577 | d->indent -= 2; | |
2578 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
01c8b828 | 2579 | d->process_field (t, d); |
573aba85 | 2580 | d->indent -= 2; |
2581 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
1f3233d1 | 2582 | } |
573aba85 | 2583 | } |
2584 | break; | |
1f3233d1 | 2585 | |
573aba85 | 2586 | case TYPE_ARRAY: |
2587 | { | |
2588 | int loopcounter = d->counter++; | |
2589 | const char *oldval = d->val; | |
2590 | char *newval; | |
2591 | ||
7ef5b942 | 2592 | /* If it's an array of scalars, we optimize by not generating |
573aba85 | 2593 | any code. */ |
2594 | if (t->u.a.p->kind == TYPE_SCALAR) | |
1f3233d1 | 2595 | break; |
1a97be37 | 2596 | |
c2f47e15 | 2597 | /* When walking an array, compute the length and store it in a |
2598 | local variable before walking the array elements, instead of | |
2599 | recomputing the length expression each time through the loop. | |
2600 | This is necessary to handle tcc_vl_exp objects like CALL_EXPR, | |
2601 | where the length is stored in the first array element, | |
2602 | because otherwise that operand can get overwritten on the | |
2603 | first iteration. */ | |
573aba85 | 2604 | oprintf (d->of, "%*s{\n", d->indent, ""); |
2605 | d->indent += 2; | |
2606 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
c2f47e15 | 2607 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", |
2608 | d->indent, "", loopcounter); | |
573aba85 | 2609 | if (length) |
2610 | output_escaped_param (d, length, "length"); | |
2611 | else | |
2612 | oprintf (d->of, "%s", t->u.a.len); | |
c2f47e15 | 2613 | oprintf (d->of, ");\n"); |
48e1416a | 2614 | |
c2f47e15 | 2615 | oprintf (d->of, "%*sfor (i%d = 0; i%d != l%d; i%d++) {\n", |
2616 | d->indent, "", | |
2617 | loopcounter, loopcounter, loopcounter, loopcounter); | |
573aba85 | 2618 | d->indent += 2; |
2619 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2620 | d->used_length = 1; | |
2621 | walk_type (t->u.a.p, d); | |
2622 | free (newval); | |
2623 | d->used_length = 0; | |
2624 | d->val = oldval; | |
2625 | d->indent -= 2; | |
2626 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2627 | d->indent -= 2; | |
2628 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2629 | } | |
2630 | break; | |
1a97be37 | 2631 | |
573aba85 | 2632 | case TYPE_STRUCT: |
2633 | case TYPE_UNION: | |
2634 | { | |
2635 | pair_p f; | |
2636 | const char *oldval = d->val; | |
2637 | const char *oldprevval1 = d->prev_val[1]; | |
2638 | const char *oldprevval2 = d->prev_val[2]; | |
2639 | const int union_p = t->kind == TYPE_UNION; | |
2640 | int seen_default_p = 0; | |
2641 | options_p o; | |
2642 | ||
01c8b828 | 2643 | if (!t->u.s.line.file) |
573aba85 | 2644 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); |
1f3233d1 | 2645 | |
573aba85 | 2646 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
1f3233d1 | 2647 | { |
573aba85 | 2648 | error_at_line (d->line, |
2649 | "structure `%s' defined for mismatching languages", | |
2650 | t->u.s.tag); | |
2651 | error_at_line (&t->u.s.line, "one structure defined here"); | |
2652 | } | |
1f3233d1 | 2653 | |
573aba85 | 2654 | /* Some things may also be defined in the structure's options. */ |
2655 | for (o = t->u.s.opt; o; o = o->next) | |
8be1803e | 2656 | if (!desc && strcmp (o->name, "desc") == 0 |
2657 | && o->kind == OPTION_STRING) | |
2658 | desc = o->info.string; | |
1f3233d1 | 2659 | |
573aba85 | 2660 | d->prev_val[2] = oldval; |
2661 | d->prev_val[1] = oldprevval2; | |
2662 | if (union_p) | |
2663 | { | |
2664 | if (desc == NULL) | |
1f3233d1 | 2665 | { |
01c8b828 | 2666 | error_at_line (d->line, |
2667 | "missing `desc' option for union `%s'", | |
573aba85 | 2668 | t->u.s.tag); |
2669 | desc = "1"; | |
1f3233d1 | 2670 | } |
573aba85 | 2671 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
2672 | output_escaped_param (d, desc, "desc"); | |
2673 | oprintf (d->of, ")\n"); | |
2674 | d->indent += 2; | |
2675 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2676 | } | |
2677 | for (f = t->u.s.fields; f; f = f->next) | |
2678 | { | |
2679 | options_p oo; | |
2680 | const char *dot = "."; | |
2681 | const char *tagid = NULL; | |
2682 | int skip_p = 0; | |
2683 | int default_p = 0; | |
2684 | int use_param_p = 0; | |
2685 | char *newval; | |
2686 | ||
2687 | d->reorder_fn = NULL; | |
2688 | for (oo = f->opt; oo; oo = oo->next) | |
8be1803e | 2689 | if (strcmp (oo->name, "dot") == 0 |
2690 | && oo->kind == OPTION_STRING) | |
2691 | dot = oo->info.string; | |
2692 | else if (strcmp (oo->name, "tag") == 0 | |
2693 | && oo->kind == OPTION_STRING) | |
2694 | tagid = oo->info.string; | |
573aba85 | 2695 | else if (strcmp (oo->name, "skip") == 0) |
2696 | skip_p = 1; | |
2697 | else if (strcmp (oo->name, "default") == 0) | |
2698 | default_p = 1; | |
8be1803e | 2699 | else if (strcmp (oo->name, "reorder") == 0 |
2700 | && oo->kind == OPTION_STRING) | |
2701 | d->reorder_fn = oo->info.string; | |
573aba85 | 2702 | else if (strncmp (oo->name, "use_param", 9) == 0 |
2703 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2704 | use_param_p = 1; | |
2705 | ||
2706 | if (skip_p) | |
2707 | continue; | |
2708 | ||
2709 | if (union_p && tagid) | |
1f3233d1 | 2710 | { |
573aba85 | 2711 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
2712 | d->indent += 2; | |
1f3233d1 | 2713 | } |
573aba85 | 2714 | else if (union_p && default_p) |
1f3233d1 | 2715 | { |
573aba85 | 2716 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
2717 | d->indent += 2; | |
2718 | seen_default_p = 1; | |
1f3233d1 | 2719 | } |
01c8b828 | 2720 | else if (!union_p && (default_p || tagid)) |
1a97be37 | 2721 | error_at_line (d->line, |
573aba85 | 2722 | "can't use `%s' outside a union on field `%s'", |
2723 | default_p ? "default" : "tag", f->name); | |
01c8b828 | 2724 | else if (union_p && !(default_p || tagid) |
573aba85 | 2725 | && f->type->kind == TYPE_SCALAR) |
1f3233d1 | 2726 | { |
573aba85 | 2727 | fprintf (stderr, |
01c8b828 | 2728 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", |
dc8a8bf5 | 2729 | get_input_file_name (d->line->file), d->line->line, |
2730 | f->name); | |
573aba85 | 2731 | continue; |
1f3233d1 | 2732 | } |
01c8b828 | 2733 | else if (union_p && !(default_p || tagid)) |
1a97be37 | 2734 | error_at_line (d->line, |
573aba85 | 2735 | "field `%s' is missing `tag' or `default' option", |
1f3233d1 | 2736 | f->name); |
1a97be37 | 2737 | |
573aba85 | 2738 | d->line = &f->line; |
2739 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
2740 | d->opt = f->opt; | |
c39ed964 | 2741 | d->used_length = false; |
573aba85 | 2742 | |
2743 | if (union_p && use_param_p && d->param == NULL) | |
e0a4c0c2 | 2744 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
573aba85 | 2745 | else |
2746 | walk_type (f->type, d); | |
2747 | ||
2748 | free (newval); | |
2749 | ||
2750 | if (union_p) | |
1f3233d1 | 2751 | { |
573aba85 | 2752 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
2753 | d->indent -= 2; | |
1f3233d1 | 2754 | } |
573aba85 | 2755 | } |
2756 | d->reorder_fn = NULL; | |
1f3233d1 | 2757 | |
573aba85 | 2758 | d->val = oldval; |
2759 | d->prev_val[1] = oldprevval1; | |
2760 | d->prev_val[2] = oldprevval2; | |
2761 | ||
01c8b828 | 2762 | if (union_p && !seen_default_p) |
573aba85 | 2763 | { |
2764 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
2765 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
2766 | } | |
2767 | if (union_p) | |
2768 | { | |
2769 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2770 | d->indent -= 2; | |
1f3233d1 | 2771 | } |
573aba85 | 2772 | } |
2773 | break; | |
1f3233d1 | 2774 | |
573aba85 | 2775 | case TYPE_LANG_STRUCT: |
2776 | { | |
2777 | type_p nt; | |
2778 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
2779 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
2780 | break; | |
2781 | if (nt == NULL) | |
2782 | error_at_line (d->line, "structure `%s' differs between languages", | |
2783 | t->u.s.tag); | |
2784 | else | |
2785 | walk_type (nt, d); | |
2786 | } | |
2787 | break; | |
2788 | ||
2789 | case TYPE_PARAM_STRUCT: | |
2790 | { | |
2791 | type_p *oldparam = d->param; | |
1a97be37 | 2792 | |
573aba85 | 2793 | d->param = t->u.param_struct.param; |
2794 | walk_type (t->u.param_struct.stru, d); | |
2795 | d->param = oldparam; | |
2796 | } | |
2797 | break; | |
1a97be37 | 2798 | |
573aba85 | 2799 | default: |
e0a4c0c2 | 2800 | gcc_unreachable (); |
1f3233d1 | 2801 | } |
573aba85 | 2802 | } |
2803 | ||
2804 | /* process_field routine for marking routines. */ | |
2805 | ||
2806 | static void | |
1a97be37 | 2807 | write_types_process_field (type_p f, const struct walk_type_data *d) |
573aba85 | 2808 | { |
2809 | const struct write_types_data *wtd; | |
b41d328d | 2810 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
573aba85 | 2811 | wtd = (const struct write_types_data *) d->cookie; |
1a97be37 | 2812 | |
573aba85 | 2813 | switch (f->kind) |
1f3233d1 | 2814 | { |
8be1803e | 2815 | case TYPE_NONE: |
2816 | gcc_unreachable (); | |
573aba85 | 2817 | case TYPE_POINTER: |
1a97be37 | 2818 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
b41d328d | 2819 | wtd->subfield_marker_routine, cast, d->val); |
573aba85 | 2820 | if (wtd->param_prefix) |
c849df63 | 2821 | { |
573aba85 | 2822 | oprintf (d->of, ", %s", d->prev_val[3]); |
2823 | if (d->orig_s) | |
2824 | { | |
2825 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
2826 | output_mangled_typename (d->of, d->orig_s); | |
2827 | } | |
2828 | else | |
2829 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
1bb42c87 | 2830 | |
2831 | if (f->u.p->kind == TYPE_PARAM_STRUCT | |
2832 | && f->u.p->u.s.line.file != NULL) | |
2833 | { | |
2834 | oprintf (d->of, ", gt_e_"); | |
2835 | output_mangled_typename (d->of, f); | |
2836 | } | |
01c8b828 | 2837 | else if (UNION_OR_STRUCT_P (f) && f->u.p->u.s.line.file != NULL) |
1bb42c87 | 2838 | { |
2839 | oprintf (d->of, ", gt_ggc_e_"); | |
2840 | output_mangled_typename (d->of, f); | |
2841 | } | |
2842 | else | |
2843 | oprintf (d->of, ", gt_types_enum_last"); | |
c849df63 | 2844 | } |
573aba85 | 2845 | oprintf (d->of, ");\n"); |
2846 | if (d->reorder_fn && wtd->reorder_note_routine) | |
1a97be37 | 2847 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
b41d328d | 2848 | wtd->reorder_note_routine, cast, d->val, |
573aba85 | 2849 | d->prev_val[3], d->reorder_fn); |
2850 | break; | |
2851 | ||
2852 | case TYPE_STRING: | |
573aba85 | 2853 | case TYPE_STRUCT: |
2854 | case TYPE_UNION: | |
2855 | case TYPE_LANG_STRUCT: | |
2856 | case TYPE_PARAM_STRUCT: | |
2857 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
2858 | output_mangled_typename (d->of, f); | |
b41d328d | 2859 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
573aba85 | 2860 | if (d->reorder_fn && wtd->reorder_note_routine) |
1a97be37 | 2861 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
b41d328d | 2862 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
573aba85 | 2863 | d->reorder_fn); |
2864 | break; | |
2865 | ||
2866 | case TYPE_SCALAR: | |
2867 | break; | |
1a97be37 | 2868 | |
8be1803e | 2869 | case TYPE_ARRAY: |
e0a4c0c2 | 2870 | gcc_unreachable (); |
1f3233d1 | 2871 | } |
2872 | } | |
2873 | ||
523507f1 | 2874 | /* A subroutine of write_func_for_structure. Write the enum tag for S. */ |
2875 | ||
2876 | static void | |
2877 | output_type_enum (outf_p of, type_p s) | |
2878 | { | |
5032f7ed | 2879 | if (s->kind == TYPE_PARAM_STRUCT && s->u.param_struct.line.file != NULL) |
523507f1 | 2880 | { |
2881 | oprintf (of, ", gt_e_"); | |
2882 | output_mangled_typename (of, s); | |
2883 | } | |
2884 | else if (UNION_OR_STRUCT_P (s) && s->u.s.line.file != NULL) | |
2885 | { | |
2886 | oprintf (of, ", gt_ggc_e_"); | |
2887 | output_mangled_typename (of, s); | |
2888 | } | |
2889 | else | |
2890 | oprintf (of, ", gt_types_enum_last"); | |
2891 | } | |
2892 | ||
e3b362c8 | 2893 | /* Return an output file that is suitable for definitions which can |
2894 | reference struct S */ | |
2895 | ||
2896 | static outf_p | |
2897 | get_output_file_for_structure (const_type_p s, type_p *param) | |
2898 | { | |
dc8a8bf5 | 2899 | const input_file *fn; |
e3b362c8 | 2900 | int i; |
2901 | ||
246fd2c7 | 2902 | gcc_assert (UNION_OR_STRUCT_P (s)); |
2903 | fn = s->u.s.line.file; | |
2904 | ||
e3b362c8 | 2905 | /* This is a hack, and not the good kind either. */ |
2906 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
2907 | if (param && param[i] && param[i]->kind == TYPE_POINTER | |
2908 | && UNION_OR_STRUCT_P (param[i]->u.p)) | |
2909 | fn = param[i]->u.p->u.s.line.file; | |
2910 | ||
dc8a8bf5 | 2911 | /* The call to get_output_file_with_visibility may update fn by |
2912 | caching its result inside, so we need the CONST_CAST. */ | |
2913 | return get_output_file_with_visibility (CONST_CAST (input_file*, fn)); | |
e3b362c8 | 2914 | } |
2915 | ||
573aba85 | 2916 | /* For S, a structure that's part of ORIG_S, and using parameters |
2917 | PARAM, write out a routine that: | |
2918 | - Takes a parameter, a void * but actually of type *S | |
2919 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
01c8b828 | 2920 | field of S or its substructures and (in some cases) things |
2921 | that are pointed to by S. | |
573aba85 | 2922 | */ |
155e048d | 2923 | |
1f3233d1 | 2924 | static void |
00775b04 | 2925 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
2926 | const struct write_types_data *wtd) | |
1f3233d1 | 2927 | { |
c849df63 | 2928 | const char *chain_next = NULL; |
2929 | const char *chain_prev = NULL; | |
ae093573 | 2930 | const char *chain_circular = NULL; |
b0a1d041 | 2931 | const char *mark_hook_name = NULL; |
c849df63 | 2932 | options_p opt; |
573aba85 | 2933 | struct walk_type_data d; |
1a97be37 | 2934 | |
573aba85 | 2935 | memset (&d, 0, sizeof (d)); |
e3b362c8 | 2936 | d.of = get_output_file_for_structure (s, param); |
c849df63 | 2937 | for (opt = s->u.s.opt; opt; opt = opt->next) |
8be1803e | 2938 | if (strcmp (opt->name, "chain_next") == 0 |
2939 | && opt->kind == OPTION_STRING) | |
2940 | chain_next = opt->info.string; | |
2941 | else if (strcmp (opt->name, "chain_prev") == 0 | |
2942 | && opt->kind == OPTION_STRING) | |
2943 | chain_prev = opt->info.string; | |
2944 | else if (strcmp (opt->name, "chain_circular") == 0 | |
2945 | && opt->kind == OPTION_STRING) | |
2946 | chain_circular = opt->info.string; | |
2947 | else if (strcmp (opt->name, "mark_hook") == 0 | |
2948 | && opt->kind == OPTION_STRING) | |
2949 | mark_hook_name = opt->info.string; | |
c849df63 | 2950 | if (chain_prev != NULL && chain_next == NULL) |
2951 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
ae093573 | 2952 | if (chain_circular != NULL && chain_next != NULL) |
2953 | error_at_line (&s->u.s.line, "chain_circular with chain_next"); | |
2954 | if (chain_circular != NULL) | |
2955 | chain_next = chain_circular; | |
c849df63 | 2956 | |
573aba85 | 2957 | d.process_field = write_types_process_field; |
2958 | d.cookie = wtd; | |
2959 | d.orig_s = orig_s; | |
2960 | d.opt = s->u.s.opt; | |
2961 | d.line = &s->u.s.line; | |
2962 | d.bitmap = s->u.s.bitmap; | |
2963 | d.param = param; | |
2964 | d.prev_val[0] = "*x"; | |
01c8b828 | 2965 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
573aba85 | 2966 | d.prev_val[3] = "x"; |
2967 | d.val = "(*x)"; | |
2968 | ||
2969 | oprintf (d.of, "\n"); | |
2970 | oprintf (d.of, "void\n"); | |
1f3233d1 | 2971 | if (param == NULL) |
573aba85 | 2972 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
1f3233d1 | 2973 | else |
c849df63 | 2974 | { |
573aba85 | 2975 | oprintf (d.of, "gt_%s_", wtd->prefix); |
2976 | output_mangled_typename (d.of, orig_s); | |
c849df63 | 2977 | } |
69dc4d00 | 2978 | oprintf (d.of, " (void *x_p)\n"); |
573aba85 | 2979 | oprintf (d.of, "{\n"); |
2980 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
1f3233d1 | 2981 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
c849df63 | 2982 | chain_next == NULL ? "const " : "", |
1f3233d1 | 2983 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
c849df63 | 2984 | if (chain_next != NULL) |
573aba85 | 2985 | oprintf (d.of, " %s %s * xlimit = x;\n", |
c849df63 | 2986 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
2987 | if (chain_next == NULL) | |
573aba85 | 2988 | { |
2989 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
2990 | if (wtd->param_prefix) | |
2991 | { | |
2992 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
2993 | output_mangled_typename (d.of, orig_s); | |
523507f1 | 2994 | output_type_enum (d.of, orig_s); |
573aba85 | 2995 | } |
2996 | oprintf (d.of, "))\n"); | |
2997 | } | |
c849df63 | 2998 | else |
2999 | { | |
ae093573 | 3000 | if (chain_circular != NULL) |
3001 | oprintf (d.of, " if (!%s (xlimit", wtd->marker_routine); | |
3002 | else | |
3003 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
573aba85 | 3004 | if (wtd->param_prefix) |
3005 | { | |
3006 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
3007 | output_mangled_typename (d.of, orig_s); | |
523507f1 | 3008 | output_type_enum (d.of, orig_s); |
573aba85 | 3009 | } |
3010 | oprintf (d.of, "))\n"); | |
ae093573 | 3011 | if (chain_circular != NULL) |
3012 | oprintf (d.of, " return;\n do\n"); | |
b0a1d041 | 3013 | if (mark_hook_name && !wtd->skip_hooks) |
3014 | { | |
3015 | oprintf (d.of, " {\n"); | |
3016 | oprintf (d.of, " %s (xlimit);\n ", mark_hook_name); | |
3017 | } | |
573aba85 | 3018 | oprintf (d.of, " xlimit = ("); |
3019 | d.prev_val[2] = "*xlimit"; | |
3020 | output_escaped_param (&d, chain_next, "chain_next"); | |
3021 | oprintf (d.of, ");\n"); | |
b0a1d041 | 3022 | if (mark_hook_name && !wtd->skip_hooks) |
3023 | oprintf (d.of, " }\n"); | |
c849df63 | 3024 | if (chain_prev != NULL) |
3025 | { | |
573aba85 | 3026 | oprintf (d.of, " if (x != xlimit)\n"); |
3027 | oprintf (d.of, " for (;;)\n"); | |
3028 | oprintf (d.of, " {\n"); | |
3029 | oprintf (d.of, " %s %s * const xprev = (", | |
c849df63 | 3030 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
1a97be37 | 3031 | |
573aba85 | 3032 | d.prev_val[2] = "*x"; |
3033 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
3034 | oprintf (d.of, ");\n"); | |
3035 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
3036 | oprintf (d.of, " x = xprev;\n"); | |
01c8b828 | 3037 | oprintf (d.of, " (void) %s (xprev", wtd->marker_routine); |
573aba85 | 3038 | if (wtd->param_prefix) |
3039 | { | |
3040 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
3041 | output_mangled_typename (d.of, orig_s); | |
523507f1 | 3042 | output_type_enum (d.of, orig_s); |
573aba85 | 3043 | } |
3044 | oprintf (d.of, ");\n"); | |
3045 | oprintf (d.of, " }\n"); | |
c849df63 | 3046 | } |
ae093573 | 3047 | if (chain_circular != NULL) |
3048 | { | |
3049 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
3050 | if (wtd->param_prefix) | |
3051 | { | |
3052 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
3053 | output_mangled_typename (d.of, orig_s); | |
3054 | output_type_enum (d.of, orig_s); | |
3055 | } | |
3056 | oprintf (d.of, "));\n"); | |
3057 | if (mark_hook_name && !wtd->skip_hooks) | |
3058 | oprintf (d.of, " %s (xlimit);\n", mark_hook_name); | |
3059 | oprintf (d.of, " do\n"); | |
3060 | } | |
3061 | else | |
3062 | oprintf (d.of, " while (x != xlimit)\n"); | |
c849df63 | 3063 | } |
573aba85 | 3064 | oprintf (d.of, " {\n"); |
b0a1d041 | 3065 | if (mark_hook_name && chain_next == NULL && !wtd->skip_hooks) |
3066 | { | |
3067 | oprintf (d.of, " %s (x);\n", mark_hook_name); | |
3068 | } | |
573aba85 | 3069 | d.prev_val[2] = "*x"; |
3070 | d.indent = 6; | |
3071 | walk_type (s, &d); | |
1a97be37 | 3072 | |
c849df63 | 3073 | if (chain_next != NULL) |
3074 | { | |
573aba85 | 3075 | oprintf (d.of, " x = ("); |
3076 | output_escaped_param (&d, chain_next, "chain_next"); | |
3077 | oprintf (d.of, ");\n"); | |
c849df63 | 3078 | } |
3079 | ||
573aba85 | 3080 | oprintf (d.of, " }\n"); |
ae093573 | 3081 | if (chain_circular != NULL) |
3082 | oprintf (d.of, " while (x != xlimit);\n"); | |
573aba85 | 3083 | oprintf (d.of, "}\n"); |
1f3233d1 | 3084 | } |
155e048d | 3085 | |
3086 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
1f3233d1 | 3087 | |
3088 | static void | |
8603e6a7 | 3089 | write_types (outf_p output_header, type_p structures, type_p param_structs, |
1a97be37 | 3090 | const struct write_types_data *wtd) |
1f3233d1 | 3091 | { |
e62e715c | 3092 | int nbfun = 0; /* Count the emitted functions. */ |
1f3233d1 | 3093 | type_p s; |
1a97be37 | 3094 | |
8603e6a7 | 3095 | oprintf (output_header, "\n/* %s*/\n", wtd->comment); |
242994e0 | 3096 | /* We first emit the macros and the declarations. Functions' code is |
3097 | emitted afterwards. This is needed in plugin mode. */ | |
3098 | oprintf (output_header, "/* macros and declarations */\n"); | |
1f3233d1 | 3099 | for (s = structures; s; s = s->next) |
01c8b828 | 3100 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
1f3233d1 | 3101 | { |
3102 | options_p opt; | |
1a97be37 | 3103 | |
01c8b828 | 3104 | if (s->gc_used == GC_MAYBE_POINTED_TO && s->u.s.line.file == NULL) |
1f3233d1 | 3105 | continue; |
3106 | ||
8603e6a7 | 3107 | oprintf (output_header, "#define gt_%s_", wtd->prefix); |
3108 | output_mangled_typename (output_header, s); | |
3109 | oprintf (output_header, "(X) do { \\\n"); | |
3110 | oprintf (output_header, | |
1a97be37 | 3111 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
573aba85 | 3112 | s->u.s.tag); |
01c8b828 | 3113 | oprintf (output_header, " } while (0)\n"); |
1a97be37 | 3114 | |
1f3233d1 | 3115 | for (opt = s->u.s.opt; opt; opt = opt->next) |
8be1803e | 3116 | if (strcmp (opt->name, "ptr_alias") == 0 |
3117 | && opt->kind == OPTION_TYPE) | |
1f3233d1 | 3118 | { |
8be1803e | 3119 | const_type_p const t = (const_type_p) opt->info.type; |
1a97be37 | 3120 | if (t->kind == TYPE_STRUCT |
01c8b828 | 3121 | || t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT) |
8603e6a7 | 3122 | oprintf (output_header, |
573aba85 | 3123 | "#define gt_%sx_%s gt_%sx_%s\n", |
3124 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
1f3233d1 | 3125 | else |
1a97be37 | 3126 | error_at_line (&s->u.s.line, |
1f3233d1 | 3127 | "structure alias is not a structure"); |
3128 | break; | |
3129 | } | |
3130 | if (opt) | |
3131 | continue; | |
3132 | ||
3133 | /* Declare the marker procedure only once. */ | |
8603e6a7 | 3134 | oprintf (output_header, |
1a97be37 | 3135 | "extern void gt_%sx_%s (void *);\n", |
573aba85 | 3136 | wtd->prefix, s->u.s.tag); |
1a97be37 | 3137 | |
1f3233d1 | 3138 | if (s->u.s.line.file == NULL) |
3139 | { | |
1a97be37 | 3140 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
1f3233d1 | 3141 | s->u.s.tag); |
3142 | continue; | |
3143 | } | |
1f3233d1 | 3144 | } |
3145 | ||
3146 | for (s = param_structs; s; s = s->next) | |
3147 | if (s->gc_used == GC_POINTED_TO) | |
3148 | { | |
1f3233d1 | 3149 | type_p stru = s->u.param_struct.stru; |
3150 | ||
1f3233d1 | 3151 | /* Declare the marker procedure. */ |
8603e6a7 | 3152 | oprintf (output_header, "extern void gt_%s_", wtd->prefix); |
3153 | output_mangled_typename (output_header, s); | |
3154 | oprintf (output_header, " (void *);\n"); | |
1a97be37 | 3155 | |
1f3233d1 | 3156 | if (stru->u.s.line.file == NULL) |
3157 | { | |
1a97be37 | 3158 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
1f3233d1 | 3159 | s->u.s.tag); |
3160 | continue; | |
3161 | } | |
242994e0 | 3162 | } |
48e1416a | 3163 | |
3164 | /* At last we emit the functions code. */ | |
242994e0 | 3165 | oprintf (output_header, "\n/* functions code */\n"); |
3166 | for (s = structures; s; s = s->next) | |
01c8b828 | 3167 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
242994e0 | 3168 | { |
3169 | options_p opt; | |
1a97be37 | 3170 | |
01c8b828 | 3171 | if (s->gc_used == GC_MAYBE_POINTED_TO && s->u.s.line.file == NULL) |
242994e0 | 3172 | continue; |
3173 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
3174 | if (strcmp (opt->name, "ptr_alias") == 0) | |
3175 | break; | |
3176 | if (opt) | |
3177 | continue; | |
48e1416a | 3178 | |
242994e0 | 3179 | if (s->kind == TYPE_LANG_STRUCT) |
3180 | { | |
3181 | type_p ss; | |
3182 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
e62e715c | 3183 | { |
3184 | nbfun++; | |
3185 | DBGPRINTF ("writing func #%d lang_struct ss @ %p '%s'", | |
3186 | nbfun, (void*) ss, ss->u.s.tag); | |
3187 | write_func_for_structure (s, ss, NULL, wtd); | |
3188 | } | |
242994e0 | 3189 | } |
3190 | else | |
e62e715c | 3191 | { |
3192 | nbfun++; | |
3193 | DBGPRINTF ("writing func #%d struct s @ %p '%s'", | |
3194 | nbfun, (void*) s, s->u.s.tag); | |
3195 | write_func_for_structure (s, s, NULL, wtd); | |
3196 | } | |
242994e0 | 3197 | } |
e62e715c | 3198 | else |
3199 | { | |
3200 | /* Structure s is not possibly pointed to, so can be ignored. */ | |
3201 | DBGPRINTF ("ignored s @ %p '%s' gc_used#%d", | |
3202 | (void*)s, s->u.s.tag, | |
3203 | (int) s->gc_used); | |
3204 | } | |
3205 | ||
242994e0 | 3206 | for (s = param_structs; s; s = s->next) |
3207 | if (s->gc_used == GC_POINTED_TO) | |
3208 | { | |
3209 | type_p *param = s->u.param_struct.param; | |
3210 | type_p stru = s->u.param_struct.stru; | |
3211 | if (stru->u.s.line.file == NULL) | |
3212 | continue; | |
1f3233d1 | 3213 | if (stru->kind == TYPE_LANG_STRUCT) |
3214 | { | |
3215 | type_p ss; | |
3216 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
e62e715c | 3217 | { |
3218 | nbfun++; | |
3219 | DBGPRINTF ("writing func #%d param lang_struct ss @ %p '%s'", | |
3220 | nbfun, (void*) ss, ss->u.s.tag); | |
3221 | write_func_for_structure (s, ss, param, wtd); | |
3222 | } | |
573aba85 | 3223 | } |
3224 | else | |
e62e715c | 3225 | { |
3226 | nbfun++; | |
3227 | DBGPRINTF ("writing func #%d param struct s @ %p stru @ %p '%s'", | |
3228 | nbfun, (void*) s, | |
3229 | (void*) stru, stru->u.s.tag); | |
3230 | write_func_for_structure (s, stru, param, wtd); | |
3231 | } | |
3232 | } | |
3233 | else | |
3234 | { | |
3235 | /* Param structure s is not pointed to, so should be ignored. */ | |
3236 | DBGPRINTF ("ignored s @ %p", (void*)s); | |
573aba85 | 3237 | } |
e62e715c | 3238 | if (verbosity_level >= 2) |
3239 | printf ("%s emitted %d routines for %s\n", | |
3240 | progname, nbfun, wtd->comment); | |
573aba85 | 3241 | } |
3242 | ||
01c8b828 | 3243 | static const struct write_types_data ggc_wtd = { |
573aba85 | 3244 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, |
b0a1d041 | 3245 | "GC marker procedures. ", |
3246 | FALSE | |
573aba85 | 3247 | }; |
3248 | ||
01c8b828 | 3249 | static const struct write_types_data pch_wtd = { |
573aba85 | 3250 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", |
3251 | "gt_pch_note_reorder", | |
b0a1d041 | 3252 | "PCH type-walking procedures. ", |
3253 | TRUE | |
573aba85 | 3254 | }; |
3255 | ||
3256 | /* Write out the local pointer-walking routines. */ | |
3257 | ||
3258 | /* process_field routine for local pointer-walking. */ | |
3259 | ||
3260 | static void | |
1a97be37 | 3261 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
573aba85 | 3262 | { |
3263 | switch (f->kind) | |
3264 | { | |
3265 | case TYPE_POINTER: | |
3266 | case TYPE_STRUCT: | |
3267 | case TYPE_UNION: | |
3268 | case TYPE_LANG_STRUCT: | |
3269 | case TYPE_PARAM_STRUCT: | |
3270 | case TYPE_STRING: | |
3271 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
3272 | d->prev_val[3]); | |
3273 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
3274 | break; | |
3275 | ||
3276 | case TYPE_SCALAR: | |
3277 | break; | |
1a97be37 | 3278 | |
573aba85 | 3279 | default: |
e0a4c0c2 | 3280 | gcc_unreachable (); |
573aba85 | 3281 | } |
3282 | } | |
3283 | ||
3284 | /* For S, a structure that's part of ORIG_S, and using parameters | |
3285 | PARAM, write out a routine that: | |
3286 | - Is of type gt_note_pointers | |
c39ed964 | 3287 | - Calls PROCESS_FIELD on each field of S or its substructures. |
573aba85 | 3288 | */ |
3289 | ||
3290 | static void | |
e3b362c8 | 3291 | write_local_func_for_structure (const_type_p orig_s, type_p s, type_p *param) |
573aba85 | 3292 | { |
573aba85 | 3293 | struct walk_type_data d; |
1a97be37 | 3294 | |
573aba85 | 3295 | memset (&d, 0, sizeof (d)); |
e3b362c8 | 3296 | d.of = get_output_file_for_structure (s, param); |
573aba85 | 3297 | d.process_field = write_types_local_process_field; |
3298 | d.opt = s->u.s.opt; | |
3299 | d.line = &s->u.s.line; | |
3300 | d.bitmap = s->u.s.bitmap; | |
3301 | d.param = param; | |
3302 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
01c8b828 | 3303 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
573aba85 | 3304 | d.prev_val[3] = "x"; |
3305 | d.val = "(*x)"; | |
c39ed964 | 3306 | d.fn_wants_lvalue = true; |
573aba85 | 3307 | |
3308 | oprintf (d.of, "\n"); | |
3309 | oprintf (d.of, "void\n"); | |
3310 | oprintf (d.of, "gt_pch_p_"); | |
3311 | output_mangled_typename (d.of, orig_s); | |
9a03a746 | 3312 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
3313 | "\tvoid *x_p,\n" | |
3314 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3315 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
573aba85 | 3316 | oprintf (d.of, "{\n"); |
3317 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
3318 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
3319 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
3320 | d.indent = 2; | |
3321 | walk_type (s, &d); | |
3322 | oprintf (d.of, "}\n"); | |
3323 | } | |
3324 | ||
3325 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
3326 | ||
3327 | static void | |
8603e6a7 | 3328 | write_local (outf_p output_header, type_p structures, type_p param_structs) |
573aba85 | 3329 | { |
3330 | type_p s; | |
1a97be37 | 3331 | |
48e1416a | 3332 | if (!output_header) |
9dc75945 | 3333 | return; |
8603e6a7 | 3334 | oprintf (output_header, "\n/* Local pointer-walking routines. */\n"); |
573aba85 | 3335 | for (s = structures; s; s = s->next) |
01c8b828 | 3336 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
573aba85 | 3337 | { |
3338 | options_p opt; | |
1a97be37 | 3339 | |
573aba85 | 3340 | if (s->u.s.line.file == NULL) |
3341 | continue; | |
8be1803e | 3342 | for (opt = s->u.s.opt; opt; opt = opt->next) |
3343 | if (strcmp (opt->name, "ptr_alias") == 0 | |
3344 | && opt->kind == OPTION_TYPE) | |
573aba85 | 3345 | { |
8be1803e | 3346 | const_type_p const t = (const_type_p) opt->info.type; |
1a97be37 | 3347 | if (t->kind == TYPE_STRUCT |
01c8b828 | 3348 | || t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT) |
573aba85 | 3349 | { |
8603e6a7 | 3350 | oprintf (output_header, "#define gt_pch_p_"); |
3351 | output_mangled_typename (output_header, s); | |
3352 | oprintf (output_header, " gt_pch_p_"); | |
3353 | output_mangled_typename (output_header, t); | |
3354 | oprintf (output_header, "\n"); | |
573aba85 | 3355 | } |
3356 | else | |
1a97be37 | 3357 | error_at_line (&s->u.s.line, |
573aba85 | 3358 | "structure alias is not a structure"); |
3359 | break; | |
3360 | } | |
3361 | if (opt) | |
3362 | continue; | |
3363 | ||
3364 | /* Declare the marker procedure only once. */ | |
8603e6a7 | 3365 | oprintf (output_header, "extern void gt_pch_p_"); |
3366 | output_mangled_typename (output_header, s); | |
3367 | oprintf (output_header, | |
01c8b828 | 3368 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
1a97be37 | 3369 | |
573aba85 | 3370 | if (s->kind == TYPE_LANG_STRUCT) |
3371 | { | |
3372 | type_p ss; | |
3373 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
3374 | write_local_func_for_structure (s, ss, NULL); | |
3375 | } | |
3376 | else | |
3377 | write_local_func_for_structure (s, s, NULL); | |
3378 | } | |
3379 | ||
3380 | for (s = param_structs; s; s = s->next) | |
3381 | if (s->gc_used == GC_POINTED_TO) | |
3382 | { | |
01c8b828 | 3383 | type_p *param = s->u.param_struct.param; |
573aba85 | 3384 | type_p stru = s->u.param_struct.stru; |
3385 | ||
3386 | /* Declare the marker procedure. */ | |
8603e6a7 | 3387 | oprintf (output_header, "extern void gt_pch_p_"); |
3388 | output_mangled_typename (output_header, s); | |
3389 | oprintf (output_header, | |
01c8b828 | 3390 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
1a97be37 | 3391 | |
573aba85 | 3392 | if (stru->u.s.line.file == NULL) |
3393 | { | |
1a97be37 | 3394 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
573aba85 | 3395 | s->u.s.tag); |
3396 | continue; | |
3397 | } | |
1a97be37 | 3398 | |
573aba85 | 3399 | if (stru->kind == TYPE_LANG_STRUCT) |
3400 | { | |
3401 | type_p ss; | |
3402 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
3403 | write_local_func_for_structure (s, ss, param); | |
1f3233d1 | 3404 | } |
3405 | else | |
573aba85 | 3406 | write_local_func_for_structure (s, stru, param); |
c849df63 | 3407 | } |
3408 | } | |
3409 | ||
ba72912a | 3410 | /* Nonzero if S is a type for which typed GC allocators should be output. */ |
3411 | ||
3412 | #define USED_BY_TYPED_GC_P(s) \ | |
3413 | (((s->kind == TYPE_POINTER) \ | |
3414 | && ((s->u.p->gc_used == GC_POINTED_TO) \ | |
3415 | || (s->u.p->gc_used == GC_USED))) \ | |
3416 | || (UNION_OR_STRUCT_P (s) && \ | |
3417 | (((s)->gc_used == GC_POINTED_TO) \ | |
3418 | || ((s)->gc_used == GC_MAYBE_POINTED_TO \ | |
3419 | && s->u.s.line.file != NULL) \ | |
3420 | || ((s)->gc_used == GC_USED \ | |
3421 | && strncmp (s->u.s.tag, "anonymous", strlen ("anonymous")))))) | |
3422 | ||
3423 | ||
c849df63 | 3424 | /* Write out the 'enum' definition for gt_types_enum. */ |
3425 | ||
3426 | static void | |
00775b04 | 3427 | write_enum_defn (type_p structures, type_p param_structs) |
c849df63 | 3428 | { |
3429 | type_p s; | |
e62e715c | 3430 | int nbstruct = 0; |
3431 | int nbparamstruct = 0; | |
1a97be37 | 3432 | |
48e1416a | 3433 | if (!header_file) |
9dc75945 | 3434 | return; |
c849df63 | 3435 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
3436 | oprintf (header_file, "enum gt_types_enum {\n"); | |
3437 | for (s = structures; s; s = s->next) | |
ba72912a | 3438 | if (USED_BY_TYPED_GC_P (s)) |
c849df63 | 3439 | { |
e62e715c | 3440 | nbstruct++; |
3441 | DBGPRINTF ("write_enum_defn s @ %p nbstruct %d", | |
3442 | (void*) s, nbstruct); | |
3443 | if (UNION_OR_STRUCT_P (s)) | |
3444 | DBGPRINTF ("write_enum_defn s %p #%d is unionorstruct tagged %s", | |
3445 | (void*) s, nbstruct, s->u.s.tag); | |
c849df63 | 3446 | oprintf (header_file, " gt_ggc_e_"); |
3447 | output_mangled_typename (header_file, s); | |
ba72912a | 3448 | oprintf (header_file, ",\n"); |
1f3233d1 | 3449 | } |
c849df63 | 3450 | for (s = param_structs; s; s = s->next) |
3451 | if (s->gc_used == GC_POINTED_TO) | |
3452 | { | |
e62e715c | 3453 | nbparamstruct++; |
3454 | DBGPRINTF ("write_enum_defn s %p nbparamstruct %d", | |
3455 | (void*) s, nbparamstruct); | |
c849df63 | 3456 | oprintf (header_file, " gt_e_"); |
3457 | output_mangled_typename (header_file, s); | |
ba72912a | 3458 | oprintf (header_file, ",\n"); |
c849df63 | 3459 | } |
3460 | oprintf (header_file, " gt_types_enum_last\n"); | |
3461 | oprintf (header_file, "};\n"); | |
e62e715c | 3462 | if (verbosity_level >= 2) |
3463 | printf ("%s handled %d GTY-ed structures & %d parameterized structures.\n", | |
3464 | progname, nbstruct, nbparamstruct); | |
3465 | ||
1f3233d1 | 3466 | } |
3467 | ||
573aba85 | 3468 | /* Might T contain any non-pointer elements? */ |
3469 | ||
3470 | static int | |
1a97be37 | 3471 | contains_scalar_p (type_p t) |
573aba85 | 3472 | { |
3473 | switch (t->kind) | |
3474 | { | |
3475 | case TYPE_STRING: | |
3476 | case TYPE_POINTER: | |
3477 | return 0; | |
3478 | case TYPE_ARRAY: | |
3479 | return contains_scalar_p (t->u.a.p); | |
3480 | default: | |
3481 | /* Could also check for structures that have no non-pointer | |
01c8b828 | 3482 | fields, but there aren't enough of those to worry about. */ |
573aba85 | 3483 | return 1; |
3484 | } | |
3485 | } | |
c849df63 | 3486 | |
dc8a8bf5 | 3487 | /* Mangle INPF and print it to F. */ |
155e048d | 3488 | |
1f3233d1 | 3489 | static void |
dc8a8bf5 | 3490 | put_mangled_filename (outf_p f, const input_file *inpf) |
1f3233d1 | 3491 | { |
dc8a8bf5 | 3492 | /* The call to get_output_file_name may indirectly update fn since |
3493 | get_output_file_with_visibility caches its result inside, so we | |
3494 | need the CONST_CAST. */ | |
3495 | const char *name = get_output_file_name (CONST_CAST (input_file*, inpf)); | |
48e1416a | 3496 | if (!f || !name) |
9dc75945 | 3497 | return; |
1f3233d1 | 3498 | for (; *name != 0; name++) |
74863452 | 3499 | if (ISALNUM (*name)) |
92570e7a | 3500 | oprintf (f, "%c", *name); |
1f3233d1 | 3501 | else |
92570e7a | 3502 | oprintf (f, "%c", '_'); |
1f3233d1 | 3503 | } |
3504 | ||
155e048d | 3505 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
3506 | LASTNAME, and NAME are all strings to insert in various places in | |
3507 | the resulting code. */ | |
3508 | ||
1f3233d1 | 3509 | static void |
1a97be37 | 3510 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
3511 | const char *tname, const char *name) | |
1f3233d1 | 3512 | { |
3513 | struct flist *fli2; | |
1a97be37 | 3514 | |
1f3233d1 | 3515 | for (fli2 = flp; fli2; fli2 = fli2->next) |
3516 | if (fli2->started_p) | |
3517 | { | |
92570e7a | 3518 | oprintf (fli2->f, " %s\n", lastname); |
3519 | oprintf (fli2->f, "};\n\n"); | |
1f3233d1 | 3520 | } |
3521 | ||
9dc75945 | 3522 | for (fli2 = flp; fli2 && base_files; fli2 = fli2->next) |
1f3233d1 | 3523 | if (fli2->started_p) |
3524 | { | |
dc8a8bf5 | 3525 | lang_bitmap bitmap = get_lang_bitmap (fli2->file); |
1f3233d1 | 3526 | int fnum; |
3527 | ||
3528 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
3529 | if (bitmap & 1) | |
3530 | { | |
92570e7a | 3531 | oprintf (base_files[fnum], |
01c8b828 | 3532 | "extern const struct %s gt_%s_", tname, pfx); |
dc8a8bf5 | 3533 | put_mangled_filename (base_files[fnum], fli2->file); |
92570e7a | 3534 | oprintf (base_files[fnum], "[];\n"); |
1f3233d1 | 3535 | } |
3536 | } | |
1a97be37 | 3537 | |
573aba85 | 3538 | { |
3539 | size_t fnum; | |
9dc75945 | 3540 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
01c8b828 | 3541 | oprintf (base_files[fnum], |
3542 | "EXPORTED_CONST struct %s * const %s[] = {\n", tname, name); | |
573aba85 | 3543 | } |
1a97be37 | 3544 | |
1f3233d1 | 3545 | |
3546 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
3547 | if (fli2->started_p) | |
3548 | { | |
dc8a8bf5 | 3549 | lang_bitmap bitmap = get_lang_bitmap (fli2->file); |
1f3233d1 | 3550 | int fnum; |
3551 | ||
3552 | fli2->started_p = 0; | |
3553 | ||
9dc75945 | 3554 | for (fnum = 0; base_files && bitmap != 0; fnum++, bitmap >>= 1) |
1f3233d1 | 3555 | if (bitmap & 1) |
3556 | { | |
573aba85 | 3557 | oprintf (base_files[fnum], " gt_%s_", pfx); |
dc8a8bf5 | 3558 | put_mangled_filename (base_files[fnum], fli2->file); |
92570e7a | 3559 | oprintf (base_files[fnum], ",\n"); |
1f3233d1 | 3560 | } |
3561 | } | |
3562 | ||
3563 | { | |
573aba85 | 3564 | size_t fnum; |
9dc75945 | 3565 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
573aba85 | 3566 | { |
3567 | oprintf (base_files[fnum], " NULL\n"); | |
3568 | oprintf (base_files[fnum], "};\n"); | |
3569 | } | |
1f3233d1 | 3570 | } |
3571 | } | |
3572 | ||
8b879924 | 3573 | /* Write the first three fields (pointer, count and stride) for |
3574 | root NAME to F. V and LINE are as for write_root. | |
3575 | ||
3576 | Return true if the entry could be written; return false on error. */ | |
3577 | ||
3578 | static bool | |
3579 | start_root_entry (outf_p f, pair_p v, const char *name, struct fileloc *line) | |
3580 | { | |
3581 | type_p ap; | |
3582 | ||
3583 | if (!v) | |
3584 | { | |
3585 | error_at_line (line, "`%s' is too complex to be a root", name); | |
3586 | return false; | |
3587 | } | |
3588 | ||
3589 | oprintf (f, " {\n"); | |
3590 | oprintf (f, " &%s,\n", name); | |
3591 | oprintf (f, " 1"); | |
3592 | ||
3593 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
3594 | if (ap->u.a.len[0]) | |
3595 | oprintf (f, " * (%s)", ap->u.a.len); | |
3596 | else if (ap == v->type) | |
3597 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); | |
3598 | oprintf (f, ",\n"); | |
3599 | oprintf (f, " sizeof (%s", v->name); | |
3600 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
3601 | oprintf (f, "[0]"); | |
3602 | oprintf (f, "),\n"); | |
3603 | return true; | |
3604 | } | |
3605 | ||
e032b646 | 3606 | /* A subroutine of write_root for writing the roots for field FIELD_NAME, |
3607 | which has type FIELD_TYPE. Parameters F to EMIT_PCH are the parameters | |
3608 | of the caller. */ | |
3609 | ||
3610 | static void | |
3611 | write_field_root (outf_p f, pair_p v, type_p type, const char *name, | |
3612 | int has_length, struct fileloc *line, const char *if_marked, | |
3613 | bool emit_pch, type_p field_type, const char *field_name) | |
3614 | { | |
3615 | /* If the field reference is relative to V, rather than to some | |
3616 | subcomponent of V, we can mark any subarrays with a single stride. | |
3617 | We're effectively treating the field as a global variable in its | |
3618 | own right. */ | |
8b879924 | 3619 | if (v && type == v->type) |
e032b646 | 3620 | { |
3621 | struct pair newv; | |
3622 | ||
3623 | newv = *v; | |
3624 | newv.type = field_type; | |
3625 | newv.name = ACONCAT ((v->name, ".", field_name, NULL)); | |
3626 | v = &newv; | |
3627 | } | |
3628 | /* Otherwise, any arrays nested in the structure are too complex to | |
3629 | handle. */ | |
3630 | else if (field_type->kind == TYPE_ARRAY) | |
8b879924 | 3631 | v = NULL; |
e032b646 | 3632 | write_root (f, v, field_type, ACONCAT ((name, ".", field_name, NULL)), |
3633 | has_length, line, if_marked, emit_pch); | |
3634 | } | |
3635 | ||
155e048d | 3636 | /* Write out to F the table entry and any marker routines needed to |
8b879924 | 3637 | mark NAME as TYPE. V can be one of three values: |
3638 | ||
1fdf44f0 | 3639 | - null, if NAME is too complex to represent using a single |
3640 | count and stride. In this case, it is an error for NAME to | |
3641 | contain any gc-ed data. | |
8b879924 | 3642 | |
1fdf44f0 | 3643 | - the outermost array that contains NAME, if NAME is part of an array. |
8b879924 | 3644 | |
1fdf44f0 | 3645 | - the C variable that contains NAME, if NAME is not part of an array. |
8b879924 | 3646 | |
3647 | LINE is the line of the C source that declares the root variable. | |
155e048d | 3648 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED |
3649 | is nonzero iff we are building the root table for hash table caches. */ | |
3650 | ||
1f3233d1 | 3651 | static void |
1a97be37 | 3652 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
67b6ca97 | 3653 | struct fileloc *line, const char *if_marked, bool emit_pch) |
1f3233d1 | 3654 | { |
3655 | switch (type->kind) | |
3656 | { | |
3657 | case TYPE_STRUCT: | |
3658 | { | |
3659 | pair_p fld; | |
3660 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
3661 | { | |
3662 | int skip_p = 0; | |
3663 | const char *desc = NULL; | |
3664 | options_p o; | |
1a97be37 | 3665 | |
1f3233d1 | 3666 | for (o = fld->opt; o; o = o->next) |
3667 | if (strcmp (o->name, "skip") == 0) | |
3668 | skip_p = 1; | |
8be1803e | 3669 | else if (strcmp (o->name, "desc") == 0 |
3670 | && o->kind == OPTION_STRING) | |
3671 | desc = o->info.string; | |
4dd3de56 | 3672 | else if (strcmp (o->name, "param_is") == 0) |
3673 | ; | |
1f3233d1 | 3674 | else |
3675 | error_at_line (line, | |
01c8b828 | 3676 | "field `%s' of global `%s' has unknown option `%s'", |
1f3233d1 | 3677 | fld->name, name, o->name); |
1a97be37 | 3678 | |
1f3233d1 | 3679 | if (skip_p) |
3680 | continue; | |
3681 | else if (desc && fld->type->kind == TYPE_UNION) | |
3682 | { | |
3683 | pair_p validf = NULL; | |
3684 | pair_p ufld; | |
1a97be37 | 3685 | |
1f3233d1 | 3686 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
3687 | { | |
3688 | const char *tag = NULL; | |
3689 | options_p oo; | |
8be1803e | 3690 | for (oo = ufld->opt; oo; oo = oo->next) |
3691 | if (strcmp (oo->name, "tag") == 0 | |
3692 | && oo->kind == OPTION_STRING) | |
3693 | tag = oo->info.string; | |
1f3233d1 | 3694 | if (tag == NULL || strcmp (tag, desc) != 0) |
3695 | continue; | |
3696 | if (validf != NULL) | |
1a97be37 | 3697 | error_at_line (line, |
01c8b828 | 3698 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
1f3233d1 | 3699 | name, fld->name, validf->name, |
01c8b828 | 3700 | name, fld->name, ufld->name, tag); |
1f3233d1 | 3701 | validf = ufld; |
3702 | } | |
3703 | if (validf != NULL) | |
e032b646 | 3704 | write_field_root (f, v, type, name, 0, line, if_marked, |
3705 | emit_pch, validf->type, | |
3706 | ACONCAT ((fld->name, ".", | |
3707 | validf->name, NULL))); | |
1f3233d1 | 3708 | } |
3709 | else if (desc) | |
1a97be37 | 3710 | error_at_line (line, |
01c8b828 | 3711 | "global `%s.%s' has `desc' option but is not union", |
1f3233d1 | 3712 | name, fld->name); |
3713 | else | |
e032b646 | 3714 | write_field_root (f, v, type, name, 0, line, if_marked, |
3715 | emit_pch, fld->type, fld->name); | |
1f3233d1 | 3716 | } |
3717 | } | |
3718 | break; | |
3719 | ||
3720 | case TYPE_ARRAY: | |
3721 | { | |
3722 | char *newname; | |
92570e7a | 3723 | newname = xasprintf ("%s[0]", name); |
67b6ca97 | 3724 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked, |
3725 | emit_pch); | |
1f3233d1 | 3726 | free (newname); |
3727 | } | |
3728 | break; | |
1a97be37 | 3729 | |
1f3233d1 | 3730 | case TYPE_POINTER: |
3731 | { | |
8b879924 | 3732 | type_p tp; |
3733 | ||
3734 | if (!start_root_entry (f, v, name, line)) | |
3735 | return; | |
1a97be37 | 3736 | |
1f3233d1 | 3737 | tp = type->u.p; |
1a97be37 | 3738 | |
01c8b828 | 3739 | if (!has_length && UNION_OR_STRUCT_P (tp)) |
1f3233d1 | 3740 | { |
573aba85 | 3741 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
67b6ca97 | 3742 | if (emit_pch) |
3743 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
3744 | else | |
3745 | oprintf (f, " NULL"); | |
1f3233d1 | 3746 | } |
01c8b828 | 3747 | else if (!has_length && tp->kind == TYPE_PARAM_STRUCT) |
1f3233d1 | 3748 | { |
c849df63 | 3749 | oprintf (f, " >_ggc_m_"); |
3750 | output_mangled_typename (f, tp); | |
67b6ca97 | 3751 | if (emit_pch) |
3752 | { | |
3753 | oprintf (f, ",\n >_pch_n_"); | |
3754 | output_mangled_typename (f, tp); | |
3755 | } | |
3756 | else | |
3757 | oprintf (f, ",\n NULL"); | |
1f3233d1 | 3758 | } |
3759 | else if (has_length | |
e6baa273 | 3760 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
1f3233d1 | 3761 | { |
573aba85 | 3762 | oprintf (f, " >_ggc_ma_%s,\n", name); |
67b6ca97 | 3763 | if (emit_pch) |
3764 | oprintf (f, " >_pch_na_%s", name); | |
3765 | else | |
3766 | oprintf (f, " NULL"); | |
1f3233d1 | 3767 | } |
3768 | else | |
3769 | { | |
1a97be37 | 3770 | error_at_line (line, |
1f3233d1 | 3771 | "global `%s' is pointer to unimplemented type", |
3772 | name); | |
3773 | } | |
3774 | if (if_marked) | |
92570e7a | 3775 | oprintf (f, ",\n &%s", if_marked); |
3776 | oprintf (f, "\n },\n"); | |
1f3233d1 | 3777 | } |
3778 | break; | |
3779 | ||
1f3233d1 | 3780 | case TYPE_STRING: |
573aba85 | 3781 | { |
8b879924 | 3782 | if (!start_root_entry (f, v, name, line)) |
3783 | return; | |
3784 | ||
dfecde36 | 3785 | oprintf (f, " (gt_pointer_walker) >_ggc_m_S,\n"); |
b41d328d | 3786 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
573aba85 | 3787 | oprintf (f, " },\n"); |
3788 | } | |
3789 | break; | |
1a97be37 | 3790 | |
573aba85 | 3791 | case TYPE_SCALAR: |
1f3233d1 | 3792 | break; |
1a97be37 | 3793 | |
1f3233d1 | 3794 | default: |
01c8b828 | 3795 | error_at_line (line, "global `%s' is unimplemented type", name); |
1f3233d1 | 3796 | } |
3797 | } | |
3798 | ||
573aba85 | 3799 | /* This generates a routine to walk an array. */ |
3800 | ||
3801 | static void | |
1a97be37 | 3802 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
573aba85 | 3803 | { |
3804 | struct walk_type_data d; | |
3805 | char *prevval3; | |
1a97be37 | 3806 | |
573aba85 | 3807 | memset (&d, 0, sizeof (d)); |
3808 | d.of = f; | |
3809 | d.cookie = wtd; | |
3810 | d.indent = 2; | |
3811 | d.line = &v->line; | |
3812 | d.opt = v->opt; | |
570af75a | 3813 | d.bitmap = get_lang_bitmap (v->line.file); |
573aba85 | 3814 | d.param = NULL; |
3815 | ||
3816 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
3817 | ||
3818 | if (wtd->param_prefix) | |
3819 | { | |
3820 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
01c8b828 | 3821 | oprintf (f, " (void *, void *, gt_pointer_operator, void *);\n"); |
9a03a746 | 3822 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
573aba85 | 3823 | wtd->param_prefix, v->name); |
9a03a746 | 3824 | oprintf (d.of, |
3825 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
3826 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3827 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
573aba85 | 3828 | oprintf (d.of, "{\n"); |
3829 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3830 | d.process_field = write_types_local_process_field; | |
3831 | walk_type (v->type, &d); | |
3832 | oprintf (f, "}\n\n"); | |
3833 | } | |
3834 | ||
3835 | d.opt = v->opt; | |
01c8b828 | 3836 | oprintf (f, "static void gt_%sa_%s (void *);\n", wtd->prefix, v->name); |
9a03a746 | 3837 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
573aba85 | 3838 | wtd->prefix, v->name); |
573aba85 | 3839 | oprintf (f, "{\n"); |
3840 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3841 | d.process_field = write_types_process_field; | |
3842 | walk_type (v->type, &d); | |
3843 | free (prevval3); | |
3844 | oprintf (f, "}\n\n"); | |
3845 | } | |
3846 | ||
155e048d | 3847 | /* Output a table describing the locations and types of VARIABLES. */ |
3848 | ||
1f3233d1 | 3849 | static void |
67b6ca97 | 3850 | write_roots (pair_p variables, bool emit_pch) |
1f3233d1 | 3851 | { |
3852 | pair_p v; | |
3853 | struct flist *flp = NULL; | |
3854 | ||
3855 | for (v = variables; v; v = v->next) | |
3856 | { | |
dc8a8bf5 | 3857 | outf_p f = |
3858 | get_output_file_with_visibility (CONST_CAST (input_file*, | |
3859 | v->line.file)); | |
1f3233d1 | 3860 | struct flist *fli; |
3861 | const char *length = NULL; | |
3862 | int deletable_p = 0; | |
3863 | options_p o; | |
1f3233d1 | 3864 | for (o = v->opt; o; o = o->next) |
8be1803e | 3865 | if (strcmp (o->name, "length") == 0 |
3866 | && o->kind == OPTION_STRING) | |
3867 | length = o->info.string; | |
1f3233d1 | 3868 | else if (strcmp (o->name, "deletable") == 0) |
3869 | deletable_p = 1; | |
3870 | else if (strcmp (o->name, "param_is") == 0) | |
3871 | ; | |
1a97be37 | 3872 | else if (strncmp (o->name, "param", 5) == 0 |
01c8b828 | 3873 | && ISDIGIT (o->name[5]) && strcmp (o->name + 6, "_is") == 0) |
c849df63 | 3874 | ; |
1f3233d1 | 3875 | else if (strcmp (o->name, "if_marked") == 0) |
3876 | ; | |
3877 | else | |
1a97be37 | 3878 | error_at_line (&v->line, |
1f3233d1 | 3879 | "global `%s' has unknown option `%s'", |
3880 | v->name, o->name); | |
3881 | ||
3882 | for (fli = flp; fli; fli = fli->next) | |
9dc75945 | 3883 | if (fli->f == f && f) |
1f3233d1 | 3884 | break; |
3885 | if (fli == NULL) | |
3886 | { | |
9318f22c | 3887 | fli = XNEW (struct flist); |
1f3233d1 | 3888 | fli->f = f; |
3889 | fli->next = flp; | |
3890 | fli->started_p = 0; | |
dc8a8bf5 | 3891 | fli->file = v->line.file; |
3892 | gcc_assert (fli->file); | |
1f3233d1 | 3893 | flp = fli; |
3894 | ||
92570e7a | 3895 | oprintf (f, "\n/* GC roots. */\n\n"); |
1f3233d1 | 3896 | } |
3897 | ||
01c8b828 | 3898 | if (!deletable_p |
1f3233d1 | 3899 | && length |
3900 | && v->type->kind == TYPE_POINTER | |
3901 | && (v->type->u.p->kind == TYPE_POINTER | |
3902 | || v->type->u.p->kind == TYPE_STRUCT)) | |
3903 | { | |
573aba85 | 3904 | write_array (f, v, &ggc_wtd); |
3905 | write_array (f, v, &pch_wtd); | |
1f3233d1 | 3906 | } |
3907 | } | |
3908 | ||
3909 | for (v = variables; v; v = v->next) | |
3910 | { | |
dc8a8bf5 | 3911 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
3912 | v->line.file)); | |
1f3233d1 | 3913 | struct flist *fli; |
3914 | int skip_p = 0; | |
3915 | int length_p = 0; | |
3916 | options_p o; | |
1a97be37 | 3917 | |
1f3233d1 | 3918 | for (o = v->opt; o; o = o->next) |
3919 | if (strcmp (o->name, "length") == 0) | |
3920 | length_p = 1; | |
3921 | else if (strcmp (o->name, "deletable") == 0 | |
3922 | || strcmp (o->name, "if_marked") == 0) | |
3923 | skip_p = 1; | |
3924 | ||
3925 | if (skip_p) | |
3926 | continue; | |
3927 | ||
3928 | for (fli = flp; fli; fli = fli->next) | |
3929 | if (fli->f == f) | |
3930 | break; | |
01c8b828 | 3931 | if (!fli->started_p) |
1f3233d1 | 3932 | { |
3933 | fli->started_p = 1; | |
3934 | ||
cd819d2f | 3935 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_r_"); |
1f3233d1 | 3936 | put_mangled_filename (f, v->line.file); |
92570e7a | 3937 | oprintf (f, "[] = {\n"); |
1f3233d1 | 3938 | } |
3939 | ||
67b6ca97 | 3940 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
1f3233d1 | 3941 | } |
3942 | ||
1a97be37 | 3943 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
1f3233d1 | 3944 | "gt_ggc_rtab"); |
3945 | ||
3946 | for (v = variables; v; v = v->next) | |
3947 | { | |
dc8a8bf5 | 3948 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
3949 | v->line.file)); | |
1f3233d1 | 3950 | struct flist *fli; |
3951 | int skip_p = 1; | |
3952 | options_p o; | |
3953 | ||
3954 | for (o = v->opt; o; o = o->next) | |
3955 | if (strcmp (o->name, "deletable") == 0) | |
3956 | skip_p = 0; | |
3957 | else if (strcmp (o->name, "if_marked") == 0) | |
3958 | skip_p = 1; | |
3959 | ||
3960 | if (skip_p) | |
3961 | continue; | |
3962 | ||
3963 | for (fli = flp; fli; fli = fli->next) | |
3964 | if (fli->f == f) | |
3965 | break; | |
01c8b828 | 3966 | if (!fli->started_p) |
1f3233d1 | 3967 | { |
3968 | fli->started_p = 1; | |
3969 | ||
cd819d2f | 3970 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_rd_"); |
1f3233d1 | 3971 | put_mangled_filename (f, v->line.file); |
92570e7a | 3972 | oprintf (f, "[] = {\n"); |
1f3233d1 | 3973 | } |
1a97be37 | 3974 | |
573aba85 | 3975 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
1f3233d1 | 3976 | v->name, v->name); |
3977 | } | |
1a97be37 | 3978 | |
573aba85 | 3979 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
1f3233d1 | 3980 | "gt_ggc_deletable_rtab"); |
3981 | ||
3982 | for (v = variables; v; v = v->next) | |
3983 | { | |
dc8a8bf5 | 3984 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
3985 | v->line.file)); | |
1f3233d1 | 3986 | struct flist *fli; |
3987 | const char *if_marked = NULL; | |
3988 | int length_p = 0; | |
3989 | options_p o; | |
1a97be37 | 3990 | |
1f3233d1 | 3991 | for (o = v->opt; o; o = o->next) |
3992 | if (strcmp (o->name, "length") == 0) | |
3993 | length_p = 1; | |
8be1803e | 3994 | else if (strcmp (o->name, "if_marked") == 0 |
3995 | && o->kind == OPTION_STRING) | |
3996 | if_marked = o->info.string; | |
3997 | if (if_marked == NULL) | |
1f3233d1 | 3998 | continue; |
1f3233d1 | 3999 | if (v->type->kind != TYPE_POINTER |
4000 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
4001 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
4002 | { | |
01c8b828 | 4003 | error_at_line (&v->line, |
4004 | "if_marked option used but not hash table"); | |
1f3233d1 | 4005 | continue; |
4006 | } | |
4007 | ||
4008 | for (fli = flp; fli; fli = fli->next) | |
4009 | if (fli->f == f) | |
4010 | break; | |
01c8b828 | 4011 | if (!fli->started_p) |
1f3233d1 | 4012 | { |
4013 | fli->started_p = 1; | |
4014 | ||
cd819d2f | 4015 | oprintf (f, "EXPORTED_CONST struct ggc_cache_tab gt_ggc_rc_"); |
1f3233d1 | 4016 | put_mangled_filename (f, v->line.file); |
92570e7a | 4017 | oprintf (f, "[] = {\n"); |
1f3233d1 | 4018 | } |
1a97be37 | 4019 | |
573aba85 | 4020 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
67b6ca97 | 4021 | v->name, length_p, &v->line, if_marked, emit_pch); |
1f3233d1 | 4022 | } |
1a97be37 | 4023 | |
573aba85 | 4024 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
1f3233d1 | 4025 | "gt_ggc_cache_rtab"); |
573aba85 | 4026 | |
67b6ca97 | 4027 | if (!emit_pch) |
4028 | return; | |
4029 | ||
573aba85 | 4030 | for (v = variables; v; v = v->next) |
4031 | { | |
dc8a8bf5 | 4032 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4033 | v->line.file)); | |
573aba85 | 4034 | struct flist *fli; |
4035 | int length_p = 0; | |
4036 | int if_marked_p = 0; | |
4037 | options_p o; | |
1a97be37 | 4038 | |
573aba85 | 4039 | for (o = v->opt; o; o = o->next) |
4040 | if (strcmp (o->name, "length") == 0) | |
4041 | length_p = 1; | |
4042 | else if (strcmp (o->name, "if_marked") == 0) | |
4043 | if_marked_p = 1; | |
4044 | ||
01c8b828 | 4045 | if (!if_marked_p) |
573aba85 | 4046 | continue; |
4047 | ||
4048 | for (fli = flp; fli; fli = fli->next) | |
4049 | if (fli->f == f) | |
4050 | break; | |
01c8b828 | 4051 | if (!fli->started_p) |
573aba85 | 4052 | { |
4053 | fli->started_p = 1; | |
4054 | ||
cd819d2f | 4055 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rc_"); |
573aba85 | 4056 | put_mangled_filename (f, v->line.file); |
4057 | oprintf (f, "[] = {\n"); | |
4058 | } | |
4059 | ||
67b6ca97 | 4060 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
573aba85 | 4061 | } |
1a97be37 | 4062 | |
573aba85 | 4063 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
4064 | "gt_pch_cache_rtab"); | |
4065 | ||
4066 | for (v = variables; v; v = v->next) | |
4067 | { | |
dc8a8bf5 | 4068 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4069 | v->line.file)); | |
573aba85 | 4070 | struct flist *fli; |
4071 | int skip_p = 0; | |
4072 | options_p o; | |
4073 | ||
4074 | for (o = v->opt; o; o = o->next) | |
4075 | if (strcmp (o->name, "deletable") == 0 | |
4076 | || strcmp (o->name, "if_marked") == 0) | |
4077 | skip_p = 1; | |
4078 | ||
4079 | if (skip_p) | |
4080 | continue; | |
4081 | ||
01c8b828 | 4082 | if (!contains_scalar_p (v->type)) |
573aba85 | 4083 | continue; |
4084 | ||
4085 | for (fli = flp; fli; fli = fli->next) | |
4086 | if (fli->f == f) | |
4087 | break; | |
01c8b828 | 4088 | if (!fli->started_p) |
573aba85 | 4089 | { |
4090 | fli->started_p = 1; | |
4091 | ||
cd819d2f | 4092 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rs_"); |
573aba85 | 4093 | put_mangled_filename (f, v->line.file); |
4094 | oprintf (f, "[] = {\n"); | |
4095 | } | |
1a97be37 | 4096 | |
573aba85 | 4097 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
4098 | v->name, v->name); | |
4099 | } | |
1a97be37 | 4100 | |
573aba85 | 4101 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
4102 | "gt_pch_scalar_rtab"); | |
1f3233d1 | 4103 | } |
4104 | ||
696e7773 | 4105 | /* Record the definition of a generic VEC structure, as if we had expanded |
4106 | the macros in vec.h: | |
4107 | ||
4108 | typedef struct VEC_<type>_base GTY(()) { | |
4109 | unsigned num; | |
4110 | unsigned alloc; | |
4111 | <type> GTY((length ("%h.num"))) vec[1]; | |
4112 | } VEC_<type>_base | |
4113 | ||
4114 | where the GTY(()) tags are only present if is_scalar is _false_. */ | |
4115 | ||
4116 | void | |
2657a7d5 | 4117 | note_def_vec (const char *type_name, bool is_scalar, struct fileloc *pos) |
696e7773 | 4118 | { |
4097676c | 4119 | pair_p fields; |
696e7773 | 4120 | type_p t; |
4121 | options_p o; | |
4097676c | 4122 | type_p len_ty = create_scalar_type ("unsigned"); |
01c8b828 | 4123 | const char *name = concat ("VEC_", type_name, "_base", (char *) 0); |
696e7773 | 4124 | |
4125 | if (is_scalar) | |
4126 | { | |
2657a7d5 | 4127 | t = create_scalar_type (type_name); |
696e7773 | 4128 | o = 0; |
4129 | } | |
4130 | else | |
4131 | { | |
2657a7d5 | 4132 | t = resolve_typedef (type_name, pos); |
8be1803e | 4133 | o = create_string_option (0, "length", "%h.num"); |
696e7773 | 4134 | } |
696e7773 | 4135 | /* We assemble the field list in reverse order. */ |
4097676c | 4136 | fields = create_field_at (0, create_array (t, "1"), "vec", o, pos); |
4137 | fields = create_field_at (fields, len_ty, "alloc", 0, pos); | |
4138 | fields = create_field_at (fields, len_ty, "num", 0, pos); | |
696e7773 | 4139 | |
4140 | do_typedef (name, new_structure (name, 0, pos, fields, 0), pos); | |
4141 | } | |
4142 | ||
4143 | /* Record the definition of an allocation-specific VEC structure, as if | |
4144 | we had expanded the macros in vec.h: | |
4145 | ||
4146 | typedef struct VEC_<type>_<astrat> { | |
1fdf44f0 | 4147 | VEC_<type>_base base; |
696e7773 | 4148 | } VEC_<type>_<astrat>; |
4149 | */ | |
4150 | void | |
4151 | note_def_vec_alloc (const char *type, const char *astrat, struct fileloc *pos) | |
4152 | { | |
01c8b828 | 4153 | const char *astratname = concat ("VEC_", type, "_", astrat, (char *) 0); |
4154 | const char *basename = concat ("VEC_", type, "_base", (char *) 0); | |
696e7773 | 4155 | |
4097676c | 4156 | pair_p field = create_field_at (0, resolve_typedef (basename, pos), |
4157 | "base", 0, pos); | |
696e7773 | 4158 | |
4159 | do_typedef (astratname, new_structure (astratname, 0, pos, field, 0), pos); | |
4160 | } | |
4161 | ||
ba72912a | 4162 | /* Returns the specifier keyword for a string or union type S, empty string |
4163 | otherwise. */ | |
4164 | ||
4165 | static const char * | |
4166 | get_type_specifier (const type_p s) | |
4167 | { | |
4168 | if (s->kind == TYPE_STRUCT || s->kind == TYPE_LANG_STRUCT) | |
4169 | return "struct "; | |
4170 | if (s->kind == TYPE_UNION) | |
4171 | return "union "; | |
4172 | return ""; | |
4173 | } | |
4174 | ||
4175 | /* TRUE if type S has the GTY variable_size annotation. */ | |
4176 | ||
4177 | static bool | |
4178 | variable_size_p (const type_p s) | |
4179 | { | |
4180 | options_p o; | |
4181 | for (o = s->u.s.opt; o; o = o->next) | |
4182 | if (strcmp (o->name, "variable_size") == 0) | |
4183 | return true; | |
4184 | return false; | |
4185 | } | |
4186 | ||
01c8b828 | 4187 | enum alloc_quantity |
4188 | { single, vector }; | |
4189 | enum alloc_zone | |
4190 | { any_zone, specific_zone }; | |
ba72912a | 4191 | |
4192 | /* Writes one typed allocator definition for type identifier TYPE_NAME with | |
4193 | optional type specifier TYPE_SPECIFIER. The allocator name will contain | |
4194 | ALLOCATOR_TYPE. If VARIABLE_SIZE is true, the allocator will have an extra | |
4195 | parameter specifying number of bytes to allocate. If QUANTITY is set to | |
4196 | VECTOR, a vector allocator will be output, if ZONE is set to SPECIFIC_ZONE, | |
4197 | the allocator will be zone-specific. */ | |
4198 | ||
4199 | static void | |
01c8b828 | 4200 | write_typed_alloc_def (bool variable_size, const char *type_specifier, |
4201 | const char *type_name, const char *allocator_type, | |
ba72912a | 4202 | enum alloc_quantity quantity, enum alloc_zone zone) |
4203 | { | |
4204 | bool two_args = variable_size && (quantity == vector); | |
4205 | bool third_arg = ((zone == specific_zone) | |
4206 | && (variable_size || (quantity == vector))); | |
4207 | ||
01c8b828 | 4208 | oprintf (header_file, "#define ggc_alloc_%s%s", allocator_type, type_name); |
ba72912a | 4209 | oprintf (header_file, "(%s%s%s%s%s) ", |
4210 | (variable_size ? "SIZE" : ""), | |
4211 | (two_args ? ", " : ""), | |
4212 | (quantity == vector) ? "n" : "", | |
4213 | (third_arg ? ", " : ""), (zone == specific_zone) ? "z" : ""); | |
4214 | oprintf (header_file, "((%s%s *)", type_specifier, type_name); | |
4215 | oprintf (header_file, "(ggc_internal_%salloc_stat (", allocator_type); | |
4216 | if (zone == specific_zone) | |
4217 | oprintf (header_file, "z, "); | |
4218 | if (variable_size) | |
4219 | oprintf (header_file, "SIZE"); | |
4220 | else | |
4221 | oprintf (header_file, "sizeof (%s%s)", type_specifier, type_name); | |
4222 | if (quantity == vector) | |
4223 | oprintf (header_file, ", n"); | |
4224 | oprintf (header_file, " MEM_STAT_INFO)))\n"); | |
4225 | } | |
4226 | ||
4227 | /* Writes a typed allocator definition for a struct or union S. */ | |
4228 | ||
4229 | static void | |
01c8b828 | 4230 | write_typed_struct_alloc_def (const type_p s, const char *allocator_type, |
ba72912a | 4231 | enum alloc_quantity quantity, |
4232 | enum alloc_zone zone) | |
4233 | { | |
4234 | write_typed_alloc_def (variable_size_p (s), get_type_specifier (s), | |
4235 | s->u.s.tag, allocator_type, quantity, zone); | |
4236 | } | |
4237 | ||
4238 | /* Writes a typed allocator definition for a typedef P. */ | |
4239 | ||
4240 | static void | |
01c8b828 | 4241 | write_typed_typedef_alloc_def (const pair_p p, const char *allocator_type, |
ba72912a | 4242 | enum alloc_quantity quantity, |
4243 | enum alloc_zone zone) | |
4244 | { | |
4245 | write_typed_alloc_def (variable_size_p (p->type), "", p->name, | |
4246 | allocator_type, quantity, zone); | |
4247 | } | |
4248 | ||
4249 | /* Writes typed allocator definitions for the types in STRUCTURES and | |
4250 | TYPEDEFS that are used by GC. */ | |
4251 | ||
4252 | static void | |
4253 | write_typed_alloc_defns (const type_p structures, const pair_p typedefs) | |
4254 | { | |
4255 | type_p s; | |
4256 | pair_p p; | |
4257 | ||
4258 | oprintf (header_file, | |
4259 | "\n/* Allocators for known structs and unions. */\n\n"); | |
4260 | for (s = structures; s; s = s->next) | |
4261 | { | |
4262 | if (!USED_BY_TYPED_GC_P (s)) | |
4263 | continue; | |
4264 | write_typed_struct_alloc_def (s, "", single, any_zone); | |
4265 | write_typed_struct_alloc_def (s, "cleared_", single, any_zone); | |
4266 | write_typed_struct_alloc_def (s, "vec_", vector, any_zone); | |
4267 | write_typed_struct_alloc_def (s, "cleared_vec_", vector, any_zone); | |
4268 | write_typed_struct_alloc_def (s, "zone_", single, specific_zone); | |
4269 | write_typed_struct_alloc_def (s, "zone_cleared_", single, | |
4270 | specific_zone); | |
4271 | write_typed_struct_alloc_def (s, "zone_vec_", vector, specific_zone); | |
4272 | write_typed_struct_alloc_def (s, "zone_cleared_vec_", vector, | |
4273 | specific_zone); | |
4274 | } | |
4275 | ||
4276 | oprintf (header_file, "\n/* Allocators for known typedefs. */\n"); | |
4277 | for (p = typedefs; p; p = p->next) | |
4278 | { | |
4279 | s = p->type; | |
4280 | if (!USED_BY_TYPED_GC_P (s) || (strcmp (p->name, s->u.s.tag) == 0)) | |
4281 | continue; | |
4282 | write_typed_typedef_alloc_def (p, "", single, any_zone); | |
4283 | write_typed_typedef_alloc_def (p, "cleared_", single, any_zone); | |
4284 | write_typed_typedef_alloc_def (p, "vec_", vector, any_zone); | |
4285 | write_typed_typedef_alloc_def (p, "cleared_vec_", vector, any_zone); | |
4286 | write_typed_typedef_alloc_def (p, "zone_", single, specific_zone); | |
4287 | write_typed_typedef_alloc_def (p, "zone_cleared_", single, | |
4288 | specific_zone); | |
4289 | write_typed_typedef_alloc_def (p, "zone_cleared_vec_", vector, | |
4290 | specific_zone); | |
4291 | } | |
4292 | } | |
4293 | ||
4294 | /* Prints not-as-ugly version of a typename of T to OF. Trades the uniquness | |
4295 | guaranteee for somewhat increased readability. If name conflicts do happen, | |
4296 | this funcion will have to be adjusted to be more like | |
4297 | output_mangled_typename. */ | |
4298 | ||
4299 | static void | |
4300 | output_typename (outf_p of, const_type_p t) | |
4301 | { | |
4302 | switch (t->kind) | |
4303 | { | |
4304 | case TYPE_STRING: | |
4305 | oprintf (of, "str"); | |
4306 | break; | |
4307 | case TYPE_SCALAR: | |
4308 | oprintf (of, "scalar"); | |
4309 | break; | |
4310 | case TYPE_POINTER: | |
4311 | output_typename (of, t->u.p); | |
4312 | break; | |
4313 | case TYPE_STRUCT: | |
4314 | case TYPE_UNION: | |
4315 | case TYPE_LANG_STRUCT: | |
4316 | oprintf (of, "%s", t->u.s.tag); | |
4317 | break; | |
4318 | case TYPE_PARAM_STRUCT: | |
4319 | { | |
4320 | int i; | |
4321 | for (i = 0; i < NUM_PARAM; i++) | |
01c8b828 | 4322 | if (t->u.param_struct.param[i] != NULL) |
4323 | { | |
4324 | output_typename (of, t->u.param_struct.param[i]); | |
4325 | oprintf (of, "_"); | |
4326 | } | |
ba72912a | 4327 | output_typename (of, t->u.param_struct.stru); |
4328 | break; | |
4329 | } | |
4330 | default: | |
01c8b828 | 4331 | gcc_unreachable (); |
ba72912a | 4332 | } |
4333 | } | |
4334 | ||
4335 | /* Writes a typed GC allocator for type S that is suitable as a callback for | |
4336 | the splay tree implementation in libiberty. */ | |
4337 | ||
4338 | static void | |
4339 | write_splay_tree_allocator_def (const_type_p s) | |
4340 | { | |
246fd2c7 | 4341 | outf_p of = get_output_file_with_visibility (NULL); |
ba72912a | 4342 | oprintf (of, "void * ggc_alloc_splay_tree_"); |
4343 | output_typename (of, s); | |
4344 | oprintf (of, " (int sz, void * nl)\n"); | |
4345 | oprintf (of, "{\n"); | |
4346 | oprintf (of, " return ggc_splay_alloc ("); | |
4347 | oprintf (of, "gt_e_"); | |
4348 | output_mangled_typename (of, s); | |
4349 | oprintf (of, ", sz, nl);\n"); | |
4350 | oprintf (of, "}\n\n"); | |
4351 | } | |
4352 | ||
4353 | /* Writes typed GC allocators for PARAM_STRUCTS that are suitable as callbacks | |
4354 | for the splay tree implementation in libiberty. */ | |
4355 | ||
4356 | static void | |
4357 | write_splay_tree_allocators (const_type_p param_structs) | |
4358 | { | |
4359 | const_type_p s; | |
4360 | ||
4361 | oprintf (header_file, "\n/* Splay tree callback allocators. */\n"); | |
4362 | for (s = param_structs; s; s = s->next) | |
4363 | if (s->gc_used == GC_POINTED_TO) | |
4364 | { | |
4365 | oprintf (header_file, "extern void * ggc_alloc_splay_tree_"); | |
4366 | output_typename (header_file, s); | |
4367 | oprintf (header_file, " (int, void *);\n"); | |
4368 | write_splay_tree_allocator_def (s); | |
4369 | } | |
4370 | } | |
4371 | ||
e3b362c8 | 4372 | static void dump_pair (int indent, pair_p p); |
4373 | static void dump_type (int indent, type_p p); | |
4374 | static void dump_type_list (int indent, type_p p); | |
4375 | ||
4376 | #define INDENT 2 | |
4377 | ||
4378 | /* Dumps the value of typekind KIND. */ | |
4379 | ||
4380 | static void | |
4381 | dump_typekind (int indent, enum typekind kind) | |
4382 | { | |
4383 | printf ("%*ckind = ", indent, ' '); | |
4384 | switch (kind) | |
4385 | { | |
01c8b828 | 4386 | case TYPE_SCALAR: |
4387 | printf ("TYPE_SCALAR"); | |
4388 | break; | |
4389 | case TYPE_STRING: | |
4390 | printf ("TYPE_STRING"); | |
4391 | break; | |
4392 | case TYPE_STRUCT: | |
4393 | printf ("TYPE_STRUCT"); | |
4394 | break; | |
4395 | case TYPE_UNION: | |
4396 | printf ("TYPE_UNION"); | |
4397 | break; | |
4398 | case TYPE_POINTER: | |
4399 | printf ("TYPE_POINTER"); | |
4400 | break; | |
4401 | case TYPE_ARRAY: | |
4402 | printf ("TYPE_ARRAY"); | |
4403 | break; | |
4404 | case TYPE_LANG_STRUCT: | |
4405 | printf ("TYPE_LANG_STRUCT"); | |
4406 | break; | |
4407 | case TYPE_PARAM_STRUCT: | |
4408 | printf ("TYPE_PARAM_STRUCT"); | |
4409 | break; | |
4410 | default: | |
4411 | gcc_unreachable (); | |
e3b362c8 | 4412 | } |
4413 | printf ("\n"); | |
4414 | } | |
4415 | ||
4416 | /* Dumps the value of GC_USED flag. */ | |
4417 | ||
4418 | static void | |
4419 | dump_gc_used (int indent, enum gc_used_enum gc_used) | |
4420 | { | |
4421 | printf ("%*cgc_used = ", indent, ' '); | |
4422 | switch (gc_used) | |
4423 | { | |
01c8b828 | 4424 | case GC_UNUSED: |
4425 | printf ("GC_UNUSED"); | |
4426 | break; | |
4427 | case GC_USED: | |
4428 | printf ("GC_USED"); | |
4429 | break; | |
4430 | case GC_MAYBE_POINTED_TO: | |
4431 | printf ("GC_MAYBE_POINTED_TO"); | |
4432 | break; | |
4433 | case GC_POINTED_TO: | |
4434 | printf ("GC_POINTED_TO"); | |
4435 | break; | |
4436 | default: | |
4437 | gcc_unreachable (); | |
e3b362c8 | 4438 | } |
4439 | printf ("\n"); | |
4440 | } | |
4441 | ||
4442 | /* Dumps the type options OPT. */ | |
4443 | ||
4444 | static void | |
4445 | dump_options (int indent, options_p opt) | |
4446 | { | |
4447 | options_p o; | |
4448 | printf ("%*coptions = ", indent, ' '); | |
4449 | o = opt; | |
4450 | while (o) | |
4451 | { | |
8be1803e | 4452 | switch (o->kind) |
4453 | { | |
4454 | case OPTION_STRING: | |
4455 | printf ("%s:string %s ", o->name, o->info.string); | |
4456 | break; | |
4457 | case OPTION_TYPE: | |
4458 | printf ("%s:type ", o->name); | |
4459 | dump_type (indent+1, o->info.type); | |
4460 | break; | |
4461 | case OPTION_NESTED: | |
4462 | printf ("%s:nested ", o->name); | |
4463 | break; | |
4464 | case OPTION_NONE: | |
4465 | gcc_unreachable (); | |
4466 | } | |
01c8b828 | 4467 | o = o->next; |
e3b362c8 | 4468 | } |
4469 | printf ("\n"); | |
4470 | } | |
4471 | ||
4472 | /* Dumps the source file location in LINE. */ | |
4473 | ||
4474 | static void | |
4475 | dump_fileloc (int indent, struct fileloc line) | |
4476 | { | |
dc8a8bf5 | 4477 | printf ("%*cfileloc: file = %s, line = %d\n", indent, ' ', |
4478 | get_input_file_name (line.file), | |
e3b362c8 | 4479 | line.line); |
4480 | } | |
4481 | ||
4482 | /* Recursively dumps the struct, union, or a language-specific | |
4483 | struct T. */ | |
4484 | ||
4485 | static void | |
4486 | dump_type_u_s (int indent, type_p t) | |
4487 | { | |
4488 | pair_p fields; | |
4489 | ||
4490 | gcc_assert (t->kind == TYPE_STRUCT || t->kind == TYPE_UNION | |
4491 | || t->kind == TYPE_LANG_STRUCT); | |
4492 | printf ("%*cu.s.tag = %s\n", indent, ' ', t->u.s.tag); | |
4493 | dump_fileloc (indent, t->u.s.line); | |
4494 | printf ("%*cu.s.fields =\n", indent, ' '); | |
4495 | fields = t->u.s.fields; | |
4496 | while (fields) | |
4497 | { | |
01c8b828 | 4498 | dump_pair (indent + INDENT, fields); |
4499 | fields = fields->next; | |
e3b362c8 | 4500 | } |
4501 | printf ("%*cend of fields of type %p\n", indent, ' ', (void *) t); | |
4502 | dump_options (indent, t->u.s.opt); | |
4503 | printf ("%*cu.s.bitmap = %X\n", indent, ' ', t->u.s.bitmap); | |
4504 | if (t->kind == TYPE_LANG_STRUCT) | |
4505 | { | |
4506 | printf ("%*cu.s.lang_struct:\n", indent, ' '); | |
4507 | dump_type_list (indent + INDENT, t->u.s.lang_struct); | |
4508 | } | |
4509 | } | |
4510 | ||
4511 | /* Recursively dumps the array T. */ | |
4512 | ||
4513 | static void | |
4514 | dump_type_u_a (int indent, type_p t) | |
4515 | { | |
4516 | gcc_assert (t->kind == TYPE_ARRAY); | |
4517 | printf ("%*clen = %s, u.a.p:\n", indent, ' ', t->u.a.len); | |
4518 | dump_type_list (indent + INDENT, t->u.a.p); | |
4519 | } | |
4520 | ||
4521 | /* Recursively dumps the parameterized struct T. */ | |
4522 | ||
4523 | static void | |
4524 | dump_type_u_param_struct (int indent, type_p t) | |
4525 | { | |
4526 | int i; | |
4527 | gcc_assert (t->kind == TYPE_PARAM_STRUCT); | |
4528 | printf ("%*cu.param_struct.stru:\n", indent, ' '); | |
4529 | dump_type_list (indent, t->u.param_struct.stru); | |
4530 | dump_fileloc (indent, t->u.param_struct.line); | |
4531 | for (i = 0; i < NUM_PARAM; i++) | |
4532 | { | |
4533 | if (t->u.param_struct.param[i] == NULL) | |
4534 | continue; | |
4535 | printf ("%*cu.param_struct.param[%d]:\n", indent, ' ', i); | |
4536 | dump_type (indent + INDENT, t->u.param_struct.param[i]); | |
4537 | } | |
4538 | } | |
4539 | ||
4540 | /* Recursively dumps the type list T. */ | |
4541 | ||
4542 | static void | |
4543 | dump_type_list (int indent, type_p t) | |
4544 | { | |
4545 | type_p p = t; | |
4546 | while (p) | |
4547 | { | |
4548 | dump_type (indent, p); | |
4549 | p = p->next; | |
4550 | } | |
4551 | } | |
4552 | ||
4553 | static htab_t seen_types; | |
4554 | ||
4555 | /* Recursively dumps the type T if it was not dumped previously. */ | |
4556 | ||
4557 | static void | |
4558 | dump_type (int indent, type_p t) | |
4559 | { | |
4560 | PTR *slot; | |
4561 | ||
01c8b828 | 4562 | printf ("%*cType at %p: ", indent, ' ', (void *) t); |
e3b362c8 | 4563 | slot = htab_find_slot (seen_types, t, INSERT); |
4564 | if (*slot != NULL) | |
4565 | { | |
4566 | printf ("already seen.\n"); | |
4567 | return; | |
4568 | } | |
4569 | *slot = t; | |
4570 | printf ("\n"); | |
4571 | ||
4572 | dump_typekind (indent, t->kind); | |
4573 | printf ("%*cpointer_to = %p\n", indent + INDENT, ' ', | |
01c8b828 | 4574 | (void *) t->pointer_to); |
e3b362c8 | 4575 | dump_gc_used (indent + INDENT, t->gc_used); |
4576 | switch (t->kind) | |
4577 | { | |
4578 | case TYPE_SCALAR: | |
4579 | printf ("%*cscalar_is_char = %s\n", indent + INDENT, ' ', | |
4580 | t->u.scalar_is_char ? "true" : "false"); | |
4581 | break; | |
4582 | case TYPE_STRING: | |
4583 | break; | |
4584 | case TYPE_STRUCT: | |
4585 | case TYPE_UNION: | |
4586 | case TYPE_LANG_STRUCT: | |
4587 | dump_type_u_s (indent + INDENT, t); | |
4588 | break; | |
4589 | case TYPE_POINTER: | |
4590 | printf ("%*cp:\n", indent + INDENT, ' '); | |
4591 | dump_type (indent + INDENT, t->u.p); | |
4592 | break; | |
4593 | case TYPE_ARRAY: | |
4594 | dump_type_u_a (indent + INDENT, t); | |
4595 | break; | |
4596 | case TYPE_PARAM_STRUCT: | |
4597 | dump_type_u_param_struct (indent + INDENT, t); | |
4598 | break; | |
4599 | default: | |
4600 | gcc_unreachable (); | |
4601 | } | |
01c8b828 | 4602 | printf ("%*cEnd of type at %p\n", indent, ' ', (void *) t); |
e3b362c8 | 4603 | } |
4604 | ||
4605 | /* Dumps the pair P. */ | |
4606 | ||
4607 | static void | |
4608 | dump_pair (int indent, pair_p p) | |
4609 | { | |
4610 | printf ("%*cpair: name = %s\n", indent, ' ', p->name); | |
4611 | dump_type (indent, p->type); | |
4612 | dump_fileloc (indent, p->line); | |
4613 | dump_options (indent, p->opt); | |
4614 | printf ("%*cEnd of pair %s\n", indent, ' ', p->name); | |
4615 | } | |
4616 | ||
4617 | /* Dumps the list of pairs PP. */ | |
4618 | ||
4619 | static void | |
01c8b828 | 4620 | dump_pair_list (const char *name, pair_p pp) |
e3b362c8 | 4621 | { |
4622 | pair_p p; | |
4623 | printf ("%s:\n", name); | |
4624 | for (p = pp; p != NULL; p = p->next) | |
4625 | dump_pair (0, p); | |
4626 | printf ("End of %s\n\n", name); | |
4627 | } | |
4628 | ||
4629 | /* Dumps the STRUCTURES. */ | |
4630 | ||
4631 | static void | |
01c8b828 | 4632 | dump_structures (const char *name, type_p structures) |
e3b362c8 | 4633 | { |
4634 | printf ("%s:\n", name); | |
4635 | dump_type_list (0, structures); | |
4636 | printf ("End of %s\n\n", name); | |
4637 | } | |
4638 | ||
463ae493 | 4639 | /* Dumps the internal structures of gengtype. This is useful to debug |
4640 | gengtype itself, or to understand what it does, e.g. for plugin | |
4641 | developers. */ | |
e3b362c8 | 4642 | |
4643 | static void | |
4644 | dump_everything (void) | |
4645 | { | |
4646 | seen_types = htab_create (100, htab_hash_pointer, htab_eq_pointer, NULL); | |
4647 | dump_pair_list ("typedefs", typedefs); | |
4648 | dump_structures ("structures", structures); | |
4649 | dump_structures ("param_structs", param_structs); | |
4650 | dump_pair_list ("variables", variables); | |
4651 | htab_delete (seen_types); | |
4652 | } | |
1f3233d1 | 4653 | \f |
01c8b828 | 4654 | |
1fdf44f0 | 4655 | |
4656 | /* Option specification for getopt_long. */ | |
4657 | static const struct option gengtype_long_options[] = { | |
4658 | {"help", no_argument, NULL, 'h'}, | |
4659 | {"version", no_argument, NULL, 'V'}, | |
e62e715c | 4660 | {"verbose", no_argument, NULL, 'v'}, |
1fdf44f0 | 4661 | {"dump", no_argument, NULL, 'd'}, |
4662 | {"debug", no_argument, NULL, 'D'}, | |
4663 | {"plugin", required_argument, NULL, 'P'}, | |
4664 | {"srcdir", required_argument, NULL, 'S'}, | |
e62e715c | 4665 | {"backupdir", required_argument, NULL, 'B'}, |
1fdf44f0 | 4666 | {"inputs", required_argument, NULL, 'I'}, |
4667 | {"read-state", required_argument, NULL, 'r'}, | |
4668 | {"write-state", required_argument, NULL, 'w'}, | |
4669 | /* Terminating NULL placeholder. */ | |
4670 | {NULL, no_argument, NULL, 0}, | |
4671 | }; | |
4672 | ||
4673 | ||
4674 | static void | |
4675 | print_usage (void) | |
4676 | { | |
4677 | printf ("Usage: %s\n", progname); | |
4678 | printf ("\t -h | --help " " \t# Give this help.\n"); | |
4679 | printf ("\t -D | --debug " | |
4680 | " \t# Give debug output to debug %s itself.\n", progname); | |
4681 | printf ("\t -V | --version " " \t# Give version information.\n"); | |
e62e715c | 4682 | printf ("\t -v | --verbose \t# Increase verbosity. Can be given several times.\n"); |
1fdf44f0 | 4683 | printf ("\t -d | --dump " " \t# Dump state for debugging.\n"); |
4684 | printf ("\t -P | --plugin <output-file> <plugin-src> ... " | |
4685 | " \t# Generate for plugin.\n"); | |
4686 | printf ("\t -S | --srcdir <GCC-directory> " | |
4687 | " \t# Specify the GCC source directory.\n"); | |
e62e715c | 4688 | printf ("\t -B | --backupdir <directory> " |
4689 | " \t# Specify the backup directory for updated files.\n"); | |
1fdf44f0 | 4690 | printf ("\t -I | --inputs <input-list> " |
4691 | " \t# Specify the file with source files list.\n"); | |
4692 | printf ("\t -w | --write-state <state-file> " " \t# Write a state file.\n"); | |
4693 | printf ("\t -r | --read-state <state-file> " " \t# Read a state file.\n"); | |
4694 | } | |
4695 | ||
4696 | static void | |
4697 | print_version (void) | |
4698 | { | |
4699 | printf ("%s %s%s\n", progname, pkgversion_string, version_string); | |
4700 | printf ("Report bugs: %s\n", bug_report_url); | |
4701 | } | |
4702 | ||
4703 | /* Parse the program options using getopt_long... */ | |
4704 | static void | |
4705 | parse_program_options (int argc, char **argv) | |
4706 | { | |
4707 | int opt = -1; | |
e62e715c | 4708 | while ((opt = getopt_long (argc, argv, "hVvdP:S:B:I:w:r:D", |
1fdf44f0 | 4709 | gengtype_long_options, NULL)) >= 0) |
4710 | { | |
4711 | switch (opt) | |
4712 | { | |
4713 | case 'h': /* --help */ | |
4714 | print_usage (); | |
4715 | break; | |
4716 | case 'V': /* --version */ | |
4717 | print_version (); | |
4718 | break; | |
4719 | case 'd': /* --dump */ | |
4720 | do_dump = 1; | |
4721 | break; | |
4722 | case 'D': /* --debug */ | |
4723 | do_debug = 1; | |
4724 | break; | |
e62e715c | 4725 | case 'v': /* --verbose */ |
4726 | verbosity_level++; | |
4727 | break; | |
1fdf44f0 | 4728 | case 'P': /* --plugin */ |
4729 | if (optarg) | |
4730 | plugin_output_filename = optarg; | |
4731 | else | |
4732 | fatal ("missing plugin output file name"); | |
4733 | break; | |
4734 | case 'S': /* --srcdir */ | |
4735 | if (optarg) | |
4736 | srcdir = optarg; | |
4737 | else | |
4738 | fatal ("missing source directory"); | |
4739 | srcdir_len = strlen (srcdir); | |
4740 | break; | |
e62e715c | 4741 | case 'B': /* --backupdir */ |
4742 | if (optarg) | |
4743 | backup_dir = optarg; | |
4744 | else | |
4745 | fatal ("missing backup directory"); | |
4746 | break; | |
1fdf44f0 | 4747 | case 'I': /* --inputs */ |
4748 | if (optarg) | |
4749 | inputlist = optarg; | |
4750 | else | |
4751 | fatal ("missing input list"); | |
4752 | break; | |
4753 | case 'r': /* --read-state */ | |
4754 | if (optarg) | |
4755 | read_state_filename = optarg; | |
4756 | else | |
4757 | fatal ("missing read state file"); | |
4758 | DBGPRINTF ("read state %s\n", optarg); | |
4759 | break; | |
4760 | case 'w': /* --write-state */ | |
4761 | DBGPRINTF ("write state %s\n", optarg); | |
4762 | if (optarg) | |
4763 | write_state_filename = optarg; | |
4764 | else | |
4765 | fatal ("missing write state file"); | |
4766 | break; | |
4767 | default: | |
4768 | fprintf (stderr, "%s: unknown flag '%c'\n", progname, opt); | |
4769 | print_usage (); | |
4770 | fatal ("unexpected flag"); | |
4771 | } | |
4772 | }; | |
4773 | if (plugin_output_filename) | |
4774 | { | |
4775 | /* In plugin mode we require some input files. */ | |
4776 | int i = 0; | |
4777 | if (optind >= argc) | |
4778 | fatal ("no source files given in plugin mode"); | |
4779 | nb_plugin_files = argc - optind; | |
dc8a8bf5 | 4780 | plugin_files = XNEWVEC (input_file*, nb_plugin_files); |
1fdf44f0 | 4781 | for (i = 0; i < (int) nb_plugin_files; i++) |
4782 | { | |
4783 | char *name = argv[i + optind]; | |
dc8a8bf5 | 4784 | plugin_files[i] = input_file_by_name (name); |
1fdf44f0 | 4785 | } |
4786 | } | |
4787 | } | |
4788 | ||
4789 | ||
dc8a8bf5 | 4790 | \f |
4791 | /******* Manage input files. ******/ | |
4792 | ||
4793 | /* Hash table of unique input file names. */ | |
4794 | static htab_t input_file_htab; | |
4795 | ||
4796 | /* Find or allocate a new input_file by hash-consing it. */ | |
4797 | input_file* | |
4798 | input_file_by_name (const char* name) | |
4799 | { | |
4800 | PTR* slot; | |
4801 | input_file* f = NULL; | |
4802 | int namlen = 0; | |
4803 | if (!name) | |
4804 | return NULL; | |
4805 | namlen = strlen (name); | |
4806 | f = XCNEWVAR (input_file, sizeof (input_file)+namlen+2); | |
4807 | f->inpbitmap = 0; | |
4808 | f->inpoutf = NULL; | |
4809 | strcpy (f->inpname, name); | |
4810 | slot = htab_find_slot (input_file_htab, f, INSERT); | |
4811 | gcc_assert (slot != NULL); | |
4812 | if (*slot) | |
4813 | { | |
4814 | /* Already known input file. */ | |
4815 | free (f); | |
4816 | return (input_file*)(*slot); | |
4817 | } | |
4818 | /* New input file. */ | |
4819 | *slot = f; | |
4820 | return f; | |
4821 | } | |
4822 | ||
4823 | /* Hash table support routines for input_file-s. */ | |
4824 | static hashval_t | |
4825 | htab_hash_inputfile (const void *p) | |
4826 | { | |
4827 | const input_file *inpf = (const input_file *) p; | |
4828 | gcc_assert (inpf); | |
4829 | return htab_hash_string (get_input_file_name (inpf)); | |
4830 | } | |
4831 | ||
4832 | static int | |
4833 | htab_eq_inputfile (const void *x, const void *y) | |
4834 | { | |
4835 | const input_file *inpfx = (const input_file *) x; | |
4836 | const input_file *inpfy = (const input_file *) y; | |
4837 | gcc_assert (inpfx != NULL && inpfy != NULL); | |
82715bcd | 4838 | return !filename_cmp (get_input_file_name (inpfx), get_input_file_name (inpfy)); |
dc8a8bf5 | 4839 | } |
4840 | ||
4841 | ||
1a97be37 | 4842 | int |
570af75a | 4843 | main (int argc, char **argv) |
1f3233d1 | 4844 | { |
570af75a | 4845 | size_t i; |
1fdf44f0 | 4846 | static struct fileloc pos = { NULL, 0 }; |
ae8a3b92 | 4847 | outf_p output_header; |
570af75a | 4848 | |
1fdf44f0 | 4849 | /* Mandatory common initializations. */ |
4850 | progname = "gengtype"; /* For fatal and messages. */ | |
dc8a8bf5 | 4851 | /* Create the hash-table used to hash-cons input files. */ |
4852 | input_file_htab = | |
4853 | htab_create (800, htab_hash_inputfile, htab_eq_inputfile, NULL); | |
4854 | /* Initialize our special input files. */ | |
4855 | this_file = input_file_by_name (__FILE__); | |
4856 | system_h_file = input_file_by_name ("system.h"); | |
1fdf44f0 | 4857 | /* Set the scalar_is_char union number for predefined scalar types. */ |
4858 | scalar_nonchar.u.scalar_is_char = FALSE; | |
4859 | scalar_char.u.scalar_is_char = TRUE; | |
4860 | ||
4861 | parse_program_options (argc, argv); | |
4862 | ||
4863 | #if ENABLE_CHECKING | |
4864 | if (do_debug) | |
e3b362c8 | 4865 | { |
1fdf44f0 | 4866 | time_t now = (time_t) 0; |
4867 | time (&now); | |
4868 | DBGPRINTF ("gengtype started pid %d at %s", | |
4869 | (int) getpid (), ctime (&now)); | |
e3b362c8 | 4870 | } |
1fdf44f0 | 4871 | #endif /* ENABLE_CHECKING */ |
e3b362c8 | 4872 | |
1fdf44f0 | 4873 | /* Parse the input list and the input files. */ |
4874 | DBGPRINTF ("inputlist %s", inputlist); | |
4875 | if (read_state_filename) | |
9dc75945 | 4876 | { |
463ae493 | 4877 | if (inputlist) |
4878 | fatal ("input list %s cannot be given with a read state file %s", | |
4879 | inputlist, read_state_filename); | |
4880 | read_state (read_state_filename); | |
4881 | DBGPRINT_COUNT_TYPE ("structures after read_state", structures); | |
4882 | DBGPRINT_COUNT_TYPE ("param_structs after read_state", param_structs); | |
9dc75945 | 4883 | } |
1fdf44f0 | 4884 | else if (inputlist) |
9dc75945 | 4885 | { |
1fdf44f0 | 4886 | /* These types are set up with #define or else outside of where |
4887 | we can see them. We should initialize them before calling | |
4888 | read_input_list. */ | |
506a83ff | 4889 | #define POS_HERE(Call) do { pos.file = this_file; pos.line = __LINE__; \ |
4890 | Call;} while(0) | |
4891 | POS_HERE (do_scalar_typedef ("CUMULATIVE_ARGS", &pos)); | |
4892 | POS_HERE (do_scalar_typedef ("REAL_VALUE_TYPE", &pos)); | |
4893 | POS_HERE (do_scalar_typedef ("FIXED_VALUE_TYPE", &pos)); | |
4894 | POS_HERE (do_scalar_typedef ("double_int", &pos)); | |
4895 | POS_HERE (do_scalar_typedef ("uint64_t", &pos)); | |
4896 | POS_HERE (do_scalar_typedef ("uint8", &pos)); | |
4897 | POS_HERE (do_scalar_typedef ("jword", &pos)); | |
4898 | POS_HERE (do_scalar_typedef ("JCF_u2", &pos)); | |
4899 | POS_HERE (do_scalar_typedef ("void", &pos)); | |
4900 | POS_HERE (do_typedef ("PTR", | |
4901 | create_pointer (resolve_typedef ("void", &pos)), | |
4902 | &pos)); | |
4903 | #undef POS_HERE | |
1fdf44f0 | 4904 | read_input_list (inputlist); |
4905 | for (i = 0; i < num_gt_files; i++) | |
4906 | { | |
dc8a8bf5 | 4907 | parse_file (get_input_file_name (gt_files[i])); |
4908 | DBGPRINTF ("parsed file #%d %s", | |
4909 | (int) i, get_input_file_name (gt_files[i])); | |
1fdf44f0 | 4910 | } |
e62e715c | 4911 | if (verbosity_level >= 1) |
463ae493 | 4912 | printf ("%s parsed %d files with %d GTY types\n", |
4913 | progname, (int) num_gt_files, type_count); | |
e62e715c | 4914 | |
1fdf44f0 | 4915 | DBGPRINT_COUNT_TYPE ("structures after parsing", structures); |
4916 | DBGPRINT_COUNT_TYPE ("param_structs after parsing", param_structs); | |
4917 | ||
48e1416a | 4918 | } |
9dc75945 | 4919 | else |
1fdf44f0 | 4920 | fatal ("either an input list or a read state file should be given"); |
570af75a | 4921 | if (hit_error) |
4922 | return 1; | |
4923 | ||
80da8e25 | 4924 | |
1fdf44f0 | 4925 | if (plugin_output_filename) |
4926 | { | |
4927 | size_t ix = 0; | |
4928 | /* In plugin mode, we should have read a state file, and have | |
dc8a8bf5 | 4929 | given at least one plugin file. */ |
1fdf44f0 | 4930 | if (!read_state_filename) |
4931 | fatal ("No read state given in plugin mode for %s", | |
4932 | plugin_output_filename); | |
4933 | ||
7e79a371 | 4934 | if (nb_plugin_files == 0 || !plugin_files) |
1fdf44f0 | 4935 | fatal ("No plugin files given in plugin mode for %s", |
4936 | plugin_output_filename); | |
4937 | ||
463ae493 | 4938 | /* Parse our plugin files and augment the state. */ |
1fdf44f0 | 4939 | for (ix = 0; ix < nb_plugin_files; ix++) |
dc8a8bf5 | 4940 | parse_file (get_input_file_name (plugin_files[ix])); |
1fdf44f0 | 4941 | |
4942 | if (hit_error) | |
4943 | return 1; | |
1f3233d1 | 4944 | |
1fdf44f0 | 4945 | plugin_output = create_file ("GCC", plugin_output_filename); |
4946 | DBGPRINTF ("created plugin_output %p named %s", | |
4947 | (void *) plugin_output, plugin_output->name); | |
4948 | } | |
4949 | else | |
4950 | { /* No plugin files, we are in normal mode. */ | |
4951 | if (!srcdir) | |
4952 | fatal ("gengtype needs a source directory in normal mode"); | |
4953 | } | |
1e837561 | 4954 | if (hit_error) |
4097676c | 4955 | return 1; |
1f3233d1 | 4956 | |
1fdf44f0 | 4957 | gen_rtx_next (); |
4958 | ||
4959 | /* The call to set_gc_used may indirectly call find_param_structure | |
4960 | hence enlarge the param_structs list of types. */ | |
1f3233d1 | 4961 | set_gc_used (variables); |
4962 | ||
463ae493 | 4963 | /* The state at this point is read from the state input file or by |
4964 | parsing source files and optionally augmented by parsing plugin | |
4965 | source files. Write it now. */ | |
1fdf44f0 | 4966 | if (write_state_filename) |
4967 | { | |
463ae493 | 4968 | DBGPRINT_COUNT_TYPE ("structures before write_state", structures); |
4969 | DBGPRINT_COUNT_TYPE ("param_structs before write_state", param_structs); | |
4970 | ||
4971 | if (hit_error) | |
4972 | fatal ("didn't write state file %s after errors", | |
4973 | write_state_filename); | |
4974 | ||
4975 | DBGPRINTF ("before write_state %s", write_state_filename); | |
4976 | write_state (write_state_filename); | |
4977 | ||
4978 | if (do_dump) | |
4979 | dump_everything (); | |
4980 | ||
4981 | /* After having written the state file we return immediately to | |
4982 | avoid generating any output file. */ | |
4983 | if (hit_error) | |
4984 | return 1; | |
4985 | else | |
4986 | return 0; | |
1fdf44f0 | 4987 | } |
4988 | ||
4989 | ||
1f3233d1 | 4990 | open_base_files (); |
1fdf44f0 | 4991 | |
c849df63 | 4992 | write_enum_defn (structures, param_structs); |
ba72912a | 4993 | write_typed_alloc_defns (structures, typedefs); |
ae8a3b92 | 4994 | output_header = plugin_output ? plugin_output : header_file; |
1fdf44f0 | 4995 | DBGPRINT_COUNT_TYPE ("structures before write_types outputheader", |
4996 | structures); | |
4997 | DBGPRINT_COUNT_TYPE ("param_structs before write_types outputheader", | |
4998 | param_structs); | |
4999 | ||
ae8a3b92 | 5000 | write_types (output_header, structures, param_structs, &ggc_wtd); |
f15c9485 | 5001 | if (plugin_files == NULL) |
67b6ca97 | 5002 | { |
1fdf44f0 | 5003 | DBGPRINT_COUNT_TYPE ("structures before write_types headerfil", |
5004 | structures); | |
5005 | DBGPRINT_COUNT_TYPE ("param_structs before write_types headerfil", | |
5006 | param_structs); | |
67b6ca97 | 5007 | write_types (header_file, structures, param_structs, &pch_wtd); |
5008 | write_local (header_file, structures, param_structs); | |
5009 | } | |
ba72912a | 5010 | write_splay_tree_allocators (param_structs); |
f15c9485 | 5011 | write_roots (variables, plugin_files == NULL); |
c849df63 | 5012 | write_rtx_next (); |
1f3233d1 | 5013 | close_output_files (); |
5014 | ||
e3b362c8 | 5015 | if (do_dump) |
5016 | dump_everything (); | |
5017 | ||
1fdf44f0 | 5018 | /* Don't bother about free-ing any input or plugin file, etc. */ |
c5b683ff | 5019 | |
1e837561 | 5020 | if (hit_error) |
5021 | return 1; | |
5022 | return 0; | |
1f3233d1 | 5023 | } |