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Commit | Line | Data |
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e2500fed | 1 | /* Process source files and output type information. |
d1e082c2 | 2 | Copyright (C) 2002-2013 Free Software Foundation, Inc. |
e2500fed | 3 | |
9dcd6f09 | 4 | This file is part of GCC. |
e2500fed | 5 | |
9dcd6f09 NC |
6 | GCC is free software; you can redistribute it and/or modify it under |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 3, or (at your option) any later | |
9 | version. | |
e2500fed | 10 | |
9dcd6f09 NC |
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
e2500fed | 15 | |
9dcd6f09 NC |
16 | You should have received a copy of the GNU General Public License |
17 | along with GCC; see the file COPYING3. If not see | |
18 | <http://www.gnu.org/licenses/>. */ | |
e2500fed | 19 | |
f142b5bc | 20 | #ifdef GENERATOR_FILE |
4977bab6 | 21 | #include "bconfig.h" |
f142b5bc RG |
22 | #else |
23 | #include "config.h" | |
24 | #endif | |
e2500fed | 25 | #include "system.h" |
e1b793e7 | 26 | #include "errors.h" /* for fatal */ |
f8ed6dc5 | 27 | #include "getopt.h" |
df582833 | 28 | #include "double-int.h" |
f8ed6dc5 | 29 | #include "version.h" /* for version_string & pkgversion_string. */ |
0277fabf | 30 | #include "hashtab.h" |
81ae7e14 JS |
31 | #include "xregex.h" |
32 | #include "obstack.h" | |
f8ed6dc5 | 33 | #include "gengtype.h" |
ba78087b | 34 | #include "filenames.h" |
5ba6918e | 35 | |
065ae611 ZW |
36 | /* Data types, macros, etc. used only in this file. */ |
37 | ||
065ae611 ZW |
38 | |
39 | /* The list of output files. */ | |
f8ed6dc5 JS |
40 | outf_p output_files; |
41 | ||
42 | /* The output header file that is included into pretty much every | |
43 | source file. */ | |
44 | outf_p header_file; | |
45 | ||
46 | ||
47 | /* The name of the file containing the list of input files. */ | |
48 | static char *inputlist; | |
065ae611 | 49 | |
bd117bb6 | 50 | /* The plugin input files and their number; in that case only |
c802b1cf | 51 | a single file is produced. */ |
14c4815e | 52 | static input_file **plugin_files; |
9f78bf05 | 53 | static size_t nb_plugin_files; |
f8ed6dc5 JS |
54 | |
55 | /* The generated plugin output file and name. */ | |
9b39cba9 | 56 | static outf_p plugin_output; |
f8ed6dc5 | 57 | static char *plugin_output_filename; |
bd117bb6 | 58 | |
f8ed6dc5 JS |
59 | /* Our source directory and its length. */ |
60 | const char *srcdir; | |
61 | size_t srcdir_len; | |
065ae611 | 62 | |
f8ed6dc5 JS |
63 | /* Variables used for reading and writing the state. */ |
64 | const char *read_state_filename; | |
65 | const char *write_state_filename; | |
065ae611 | 66 | |
f8ed6dc5 JS |
67 | /* Variables to help debugging. */ |
68 | int do_dump; | |
69 | int do_debug; | |
065ae611 | 70 | |
1d32bbcd BS |
71 | /* Level for verbose messages. */ |
72 | int verbosity_level; | |
73 | ||
92724e1d BS |
74 | /* We have a type count and use it to set the state_number of newly |
75 | allocated types to some unique negative number. */ | |
76 | static int type_count; | |
77 | ||
1d32bbcd BS |
78 | /* The backup directory should be in the same file system as the |
79 | generated files, otherwise the rename(2) system call would fail. | |
80 | If NULL, no backup is made when overwriting a generated file. */ | |
81 | static const char* backup_dir; /* (-B) program option. */ | |
82 | ||
83 | ||
065ae611 | 84 | static outf_p create_file (const char *, const char *); |
8de8de02 | 85 | |
14c4815e BS |
86 | static const char *get_file_basename (const input_file *); |
87 | static const char *get_file_realbasename (const input_file *); | |
8de8de02 OH |
88 | |
89 | static int get_prefix_langdir_index (const char *); | |
14c4815e | 90 | static const char *get_file_langdir (const input_file *); |
0823efed DN |
91 | |
92 | static void dump_pair (int indent, pair_p p); | |
93 | static void dump_type (int indent, type_p p); | |
94 | static void dump_type_list (int indent, type_p p); | |
065ae611 | 95 | \f |
e1b793e7 | 96 | |
9f313342 | 97 | /* Nonzero iff an error has occurred. */ |
01d419ae | 98 | bool hit_error = false; |
9f313342 | 99 | |
3d7aafde AJ |
100 | static void gen_rtx_next (void); |
101 | static void write_rtx_next (void); | |
102 | static void open_base_files (void); | |
103 | static void close_output_files (void); | |
ef171ead | 104 | |
9f313342 GK |
105 | /* Report an error at POS, printing MSG. */ |
106 | ||
e2500fed | 107 | void |
0277fabf | 108 | error_at_line (const struct fileloc *pos, const char *msg, ...) |
e2500fed | 109 | { |
e34d07f2 | 110 | va_list ap; |
3d7aafde | 111 | |
14c4815e | 112 | gcc_assert (pos != NULL && pos->file != NULL); |
e34d07f2 | 113 | va_start (ap, msg); |
e2500fed | 114 | |
14c4815e | 115 | fprintf (stderr, "%s:%d: ", get_input_file_name (pos->file), pos->line); |
e2500fed GK |
116 | vfprintf (stderr, msg, ap); |
117 | fputc ('\n', stderr); | |
01d419ae | 118 | hit_error = true; |
e2500fed | 119 | |
e34d07f2 | 120 | va_end (ap); |
e2500fed GK |
121 | } |
122 | ||
065ae611 | 123 | /* asprintf, but produces fatal message on out-of-memory. */ |
01d419ae | 124 | char * |
e34d07f2 | 125 | xasprintf (const char *format, ...) |
e03856fe | 126 | { |
065ae611 | 127 | int n; |
e03856fe | 128 | char *result; |
e34d07f2 | 129 | va_list ap; |
3d7aafde | 130 | |
e34d07f2 | 131 | va_start (ap, format); |
065ae611 ZW |
132 | n = vasprintf (&result, format, ap); |
133 | if (result == NULL || n < 0) | |
134 | fatal ("out of memory"); | |
e34d07f2 | 135 | va_end (ap); |
065ae611 | 136 | |
e03856fe GK |
137 | return result; |
138 | } | |
11a67599 | 139 | \f |
32fe5271 DM |
140 | /* Locate the ultimate base class of struct S. */ |
141 | ||
142 | static const_type_p | |
143 | get_ultimate_base_class (const_type_p s) | |
144 | { | |
145 | while (s->u.s.base_class) | |
146 | s = s->u.s.base_class; | |
147 | return s; | |
148 | } | |
149 | \f | |
11a67599 ZW |
150 | /* Input file handling. */ |
151 | ||
152 | /* Table of all input files. */ | |
14c4815e BS |
153 | const input_file **gt_files; |
154 | size_t num_gt_files; | |
11a67599 | 155 | |
14c4815e | 156 | /* A number of places use the name of this "gengtype.c" file for a |
f8ed6dc5 JS |
157 | location for things that we can't rely on the source to define. |
158 | Make sure we can still use pointer comparison on filenames. */ | |
14c4815e | 159 | input_file* this_file; |
f8ed6dc5 | 160 | /* The "system.h" file is likewise specially useful. */ |
14c4815e | 161 | input_file* system_h_file; |
01d419ae | 162 | |
11a67599 | 163 | /* Vector of per-language directories. */ |
14c4815e BS |
164 | const char **lang_dir_names; |
165 | size_t num_lang_dirs; | |
11a67599 ZW |
166 | |
167 | /* An array of output files suitable for definitions. There is one | |
168 | BASE_FILES entry for each language. */ | |
169 | static outf_p *base_files; | |
170 | ||
11a67599 | 171 | |
f8ed6dc5 JS |
172 | |
173 | #if ENABLE_CHECKING | |
174 | /* Utility debugging function, printing the various type counts within | |
073a8998 | 175 | a list of types. Called through the DBGPRINT_COUNT_TYPE macro. */ |
f8ed6dc5 JS |
176 | void |
177 | dbgprint_count_type_at (const char *fil, int lin, const char *msg, type_p t) | |
178 | { | |
179 | int nb_types = 0, nb_scalar = 0, nb_string = 0; | |
180 | int nb_struct = 0, nb_union = 0, nb_array = 0, nb_pointer = 0; | |
181 | int nb_lang_struct = 0, nb_param_struct = 0; | |
9771b263 | 182 | int nb_user_struct = 0, nb_undefined = 0; |
f8ed6dc5 JS |
183 | type_p p = NULL; |
184 | for (p = t; p; p = p->next) | |
185 | { | |
186 | nb_types++; | |
187 | switch (p->kind) | |
188 | { | |
9771b263 DN |
189 | case TYPE_UNDEFINED: |
190 | nb_undefined++; | |
f8ed6dc5 JS |
191 | case TYPE_SCALAR: |
192 | nb_scalar++; | |
193 | break; | |
194 | case TYPE_STRING: | |
195 | nb_string++; | |
196 | break; | |
197 | case TYPE_STRUCT: | |
198 | nb_struct++; | |
199 | break; | |
0823efed DN |
200 | case TYPE_USER_STRUCT: |
201 | nb_user_struct++; | |
202 | break; | |
f8ed6dc5 JS |
203 | case TYPE_UNION: |
204 | nb_union++; | |
205 | break; | |
206 | case TYPE_POINTER: | |
207 | nb_pointer++; | |
208 | break; | |
209 | case TYPE_ARRAY: | |
210 | nb_array++; | |
211 | break; | |
212 | case TYPE_LANG_STRUCT: | |
213 | nb_lang_struct++; | |
214 | break; | |
215 | case TYPE_PARAM_STRUCT: | |
216 | nb_param_struct++; | |
217 | break; | |
9771b263 | 218 | case TYPE_NONE: |
f8ed6dc5 JS |
219 | gcc_unreachable (); |
220 | } | |
221 | } | |
222 | fprintf (stderr, "\n" "%s:%d: %s: @@%%@@ %d types ::\n", | |
223 | lbasename (fil), lin, msg, nb_types); | |
224 | if (nb_scalar > 0 || nb_string > 0) | |
225 | fprintf (stderr, "@@%%@@ %d scalars, %d strings\n", nb_scalar, nb_string); | |
226 | if (nb_struct > 0 || nb_union > 0) | |
227 | fprintf (stderr, "@@%%@@ %d structs, %d unions\n", nb_struct, nb_union); | |
228 | if (nb_pointer > 0 || nb_array > 0) | |
229 | fprintf (stderr, "@@%%@@ %d pointers, %d arrays\n", nb_pointer, nb_array); | |
230 | if (nb_lang_struct > 0 || nb_param_struct > 0) | |
231 | fprintf (stderr, "@@%%@@ %d lang_structs, %d param_structs\n", | |
232 | nb_lang_struct, nb_param_struct); | |
0823efed DN |
233 | if (nb_user_struct > 0) |
234 | fprintf (stderr, "@@%%@@ %d user_structs\n", nb_user_struct); | |
9771b263 DN |
235 | if (nb_undefined > 0) |
236 | fprintf (stderr, "@@%%@@ %d undefined types\n", nb_undefined); | |
f8ed6dc5 JS |
237 | fprintf (stderr, "\n"); |
238 | } | |
239 | #endif /* ENABLE_CHECKING */ | |
240 | ||
11a67599 ZW |
241 | /* Scan the input file, LIST, and determine how much space we need to |
242 | store strings in. Also, count the number of language directories | |
243 | and files. The numbers returned are overestimates as they does not | |
244 | consider repeated files. */ | |
245 | static size_t | |
246 | measure_input_list (FILE *list) | |
247 | { | |
248 | size_t n = 0; | |
249 | int c; | |
250 | bool atbol = true; | |
251 | num_lang_dirs = 0; | |
bd117bb6 | 252 | num_gt_files = plugin_files ? nb_plugin_files : 0; |
11a67599 ZW |
253 | while ((c = getc (list)) != EOF) |
254 | { | |
255 | n++; | |
256 | if (atbol) | |
257 | { | |
258 | if (c == '[') | |
259 | num_lang_dirs++; | |
260 | else | |
261 | { | |
262 | /* Add space for a lang_bitmap before the input file name. */ | |
263 | n += sizeof (lang_bitmap); | |
264 | num_gt_files++; | |
265 | } | |
266 | atbol = false; | |
267 | } | |
268 | ||
269 | if (c == '\n') | |
270 | atbol = true; | |
271 | } | |
272 | ||
273 | rewind (list); | |
274 | return n; | |
275 | } | |
276 | ||
277 | /* Read one input line from LIST to HEREP (which is updated). A | |
278 | pointer to the string is returned via LINEP. If it was a language | |
279 | subdirectory in square brackets, strip off the square brackets and | |
280 | return true. Otherwise, leave space before the string for a | |
281 | lang_bitmap, and return false. At EOF, returns false, does not | |
282 | touch *HEREP, and sets *LINEP to NULL. POS is used for | |
283 | diagnostics. */ | |
284 | static bool | |
e1b793e7 | 285 | read_input_line (FILE *list, char **herep, char **linep, struct fileloc *pos) |
11a67599 ZW |
286 | { |
287 | char *here = *herep; | |
288 | char *line; | |
289 | int c = getc (list); | |
290 | ||
1b77ee03 MM |
291 | /* Read over whitespace. */ |
292 | while (c == '\n' || c == ' ') | |
293 | c = getc (list); | |
294 | ||
11a67599 ZW |
295 | if (c == EOF) |
296 | { | |
297 | *linep = 0; | |
298 | return false; | |
299 | } | |
300 | else if (c == '[') | |
301 | { | |
302 | /* No space for a lang_bitmap is necessary. Discard the '['. */ | |
303 | c = getc (list); | |
304 | line = here; | |
305 | while (c != ']' && c != '\n' && c != EOF) | |
306 | { | |
307 | *here++ = c; | |
308 | c = getc (list); | |
309 | } | |
310 | *here++ = '\0'; | |
311 | ||
312 | if (c == ']') | |
313 | { | |
e1b793e7 | 314 | c = getc (list); /* eat what should be a newline */ |
11a67599 ZW |
315 | if (c != '\n' && c != EOF) |
316 | error_at_line (pos, "junk on line after language tag [%s]", line); | |
317 | } | |
318 | else | |
e1b793e7 BS |
319 | error_at_line (pos, "missing close bracket for language tag [%s", |
320 | line); | |
11a67599 ZW |
321 | |
322 | *herep = here; | |
323 | *linep = line; | |
324 | return true; | |
325 | } | |
326 | else | |
327 | { | |
328 | /* Leave space for a lang_bitmap. */ | |
329 | memset (here, 0, sizeof (lang_bitmap)); | |
330 | here += sizeof (lang_bitmap); | |
331 | line = here; | |
332 | do | |
333 | { | |
334 | *here++ = c; | |
335 | c = getc (list); | |
336 | } | |
337 | while (c != EOF && c != '\n'); | |
338 | *here++ = '\0'; | |
339 | *herep = here; | |
340 | *linep = line; | |
341 | return false; | |
342 | } | |
343 | } | |
344 | ||
345 | /* Read the list of input files from LIST and compute all of the | |
346 | relevant tables. There is one file per line of the list. At | |
347 | first, all the files on the list are language-generic, but | |
348 | eventually a line will appear which is the name of a language | |
349 | subdirectory in square brackets, like this: [cp]. All subsequent | |
350 | files are specific to that language, until another language | |
351 | subdirectory tag appears. Files can appear more than once, if | |
352 | they apply to more than one language. */ | |
353 | static void | |
354 | read_input_list (const char *listname) | |
355 | { | |
356 | FILE *list = fopen (listname, "r"); | |
357 | if (!list) | |
7ca92787 | 358 | fatal ("cannot open %s: %s", listname, xstrerror (errno)); |
11a67599 ZW |
359 | else |
360 | { | |
361 | struct fileloc epos; | |
362 | size_t bufsz = measure_input_list (list); | |
363 | char *buf = XNEWVEC (char, bufsz); | |
364 | char *here = buf; | |
365 | char *committed = buf; | |
366 | char *limit = buf + bufsz; | |
367 | char *line; | |
368 | bool is_language; | |
369 | size_t langno = 0; | |
370 | size_t nfiles = 0; | |
371 | lang_bitmap curlangs = (1 << num_lang_dirs) - 1; | |
372 | ||
14c4815e | 373 | epos.file = input_file_by_name (listname); |
11a67599 ZW |
374 | epos.line = 0; |
375 | ||
376 | lang_dir_names = XNEWVEC (const char *, num_lang_dirs); | |
14c4815e | 377 | gt_files = XNEWVEC (const input_file *, num_gt_files); |
11a67599 ZW |
378 | |
379 | for (;;) | |
380 | { | |
381 | next_line: | |
382 | epos.line++; | |
383 | committed = here; | |
384 | is_language = read_input_line (list, &here, &line, &epos); | |
385 | gcc_assert (here <= limit); | |
386 | if (line == 0) | |
387 | break; | |
388 | else if (is_language) | |
389 | { | |
390 | size_t i; | |
391 | gcc_assert (langno <= num_lang_dirs); | |
392 | for (i = 0; i < langno; i++) | |
393 | if (strcmp (lang_dir_names[i], line) == 0) | |
394 | { | |
e1b793e7 BS |
395 | error_at_line (&epos, "duplicate language tag [%s]", |
396 | line); | |
11a67599 ZW |
397 | curlangs = 1 << i; |
398 | here = committed; | |
399 | goto next_line; | |
400 | } | |
401 | ||
402 | curlangs = 1 << langno; | |
403 | lang_dir_names[langno++] = line; | |
404 | } | |
405 | else | |
406 | { | |
407 | size_t i; | |
14c4815e | 408 | input_file *inpf = input_file_by_name (line); |
11a67599 ZW |
409 | gcc_assert (nfiles <= num_gt_files); |
410 | for (i = 0; i < nfiles; i++) | |
14c4815e BS |
411 | /* Since the input_file-s are uniquely hash-consed, we |
412 | can just compare pointers! */ | |
413 | if (gt_files[i] == inpf) | |
11a67599 ZW |
414 | { |
415 | /* Throw away the string we just read, and add the | |
416 | current language to the existing string's bitmap. */ | |
14c4815e | 417 | lang_bitmap bmap = get_lang_bitmap (inpf); |
11a67599 | 418 | if (bmap & curlangs) |
e1b793e7 BS |
419 | error_at_line (&epos, |
420 | "file %s specified more than once " | |
421 | "for language %s", line, | |
422 | langno == | |
423 | 0 ? "(all)" : lang_dir_names[langno - | |
424 | 1]); | |
11a67599 ZW |
425 | |
426 | bmap |= curlangs; | |
14c4815e | 427 | set_lang_bitmap (inpf, bmap); |
11a67599 ZW |
428 | here = committed; |
429 | goto next_line; | |
430 | } | |
431 | ||
14c4815e BS |
432 | set_lang_bitmap (inpf, curlangs); |
433 | gt_files[nfiles++] = inpf; | |
11a67599 ZW |
434 | } |
435 | } | |
436 | /* Update the global counts now that we know accurately how many | |
e1b793e7 | 437 | things there are. (We do not bother resizing the arrays down.) */ |
11a67599 | 438 | num_lang_dirs = langno; |
bd117bb6 | 439 | /* Add the plugin files if provided. */ |
b8698a0f | 440 | if (plugin_files) |
bd117bb6 | 441 | { |
9f78bf05 | 442 | size_t i; |
bd117bb6 BS |
443 | for (i = 0; i < nb_plugin_files; i++) |
444 | gt_files[nfiles++] = plugin_files[i]; | |
445 | } | |
11a67599 ZW |
446 | num_gt_files = nfiles; |
447 | } | |
448 | ||
449 | /* Sanity check: any file that resides in a language subdirectory | |
450 | (e.g. 'cp') ought to belong to the corresponding language. | |
451 | ??? Still true if for instance ObjC++ is enabled and C++ isn't? | |
452 | (Can you even do that? Should you be allowed to?) */ | |
453 | { | |
454 | size_t f; | |
455 | for (f = 0; f < num_gt_files; f++) | |
456 | { | |
457 | lang_bitmap bitmap = get_lang_bitmap (gt_files[f]); | |
458 | const char *basename = get_file_basename (gt_files[f]); | |
459 | const char *slashpos = strchr (basename, '/'); | |
ba78087b KT |
460 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
461 | const char *slashpos2 = strchr (basename, '\\'); | |
462 | ||
463 | if (!slashpos || (slashpos2 && slashpos2 < slashpos)) | |
464 | slashpos = slashpos2; | |
465 | #endif | |
11a67599 ZW |
466 | |
467 | if (slashpos) | |
468 | { | |
469 | size_t l; | |
470 | for (l = 0; l < num_lang_dirs; l++) | |
e1b793e7 | 471 | if ((size_t) (slashpos - basename) == strlen (lang_dir_names[l]) |
11a67599 ZW |
472 | && memcmp (basename, lang_dir_names[l], |
473 | strlen (lang_dir_names[l])) == 0) | |
474 | { | |
475 | if (!(bitmap & (1 << l))) | |
476 | error ("%s is in language directory '%s' but is not " | |
477 | "tagged for that language", | |
478 | basename, lang_dir_names[l]); | |
479 | break; | |
480 | } | |
e1b793e7 | 481 | } |
11a67599 ZW |
482 | } |
483 | } | |
484 | ||
485 | if (ferror (list)) | |
7ca92787 | 486 | fatal ("error reading %s: %s", listname, xstrerror (errno)); |
11a67599 ZW |
487 | |
488 | fclose (list); | |
489 | } | |
e1b793e7 | 490 | \f |
11a67599 ZW |
491 | |
492 | ||
9f313342 GK |
493 | /* The one and only TYPE_STRING. */ |
494 | ||
412dc29d BS |
495 | struct type string_type = { |
496 | TYPE_STRING, 0, 0, 0, GC_USED, {0} | |
95161faf ZW |
497 | }; |
498 | ||
499 | /* The two and only TYPE_SCALARs. Their u.scalar_is_char flags are | |
412dc29d | 500 | set early in main. */ |
95161faf | 501 | |
412dc29d BS |
502 | struct type scalar_nonchar = { |
503 | TYPE_SCALAR, 0, 0, 0, GC_USED, {0} | |
95161faf | 504 | }; |
e1b793e7 | 505 | |
412dc29d BS |
506 | struct type scalar_char = { |
507 | TYPE_SCALAR, 0, 0, 0, GC_USED, {0} | |
3d7aafde | 508 | }; |
e2500fed | 509 | |
9f313342 GK |
510 | /* Lists of various things. */ |
511 | ||
313465bb DN |
512 | pair_p typedefs = NULL; |
513 | type_p structures = NULL; | |
514 | type_p param_structs = NULL; | |
515 | pair_p variables = NULL; | |
e2500fed | 516 | |
e1b793e7 | 517 | static type_p find_param_structure (type_p t, type_p param[NUM_PARAM]); |
3d7aafde AJ |
518 | static type_p adjust_field_tree_exp (type_p t, options_p opt); |
519 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
36a5eadd | 520 | |
9f313342 GK |
521 | /* Define S as a typedef to T at POS. */ |
522 | ||
e2500fed | 523 | void |
3d7aafde | 524 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
e2500fed GK |
525 | { |
526 | pair_p p; | |
527 | ||
2d593c86 TT |
528 | /* temporary kludge - gengtype doesn't handle conditionals or |
529 | macros. Ignore any attempt to typedef CUMULATIVE_ARGS, unless it | |
530 | is coming from this file (main() sets them up with safe dummy | |
531 | definitions). */ | |
532 | if (!strcmp (s, "CUMULATIVE_ARGS") && pos->file != this_file) | |
01d419ae ZW |
533 | return; |
534 | ||
e2500fed GK |
535 | for (p = typedefs; p != NULL; p = p->next) |
536 | if (strcmp (p->name, s) == 0) | |
537 | { | |
538 | if (p->type != t) | |
539 | { | |
540 | error_at_line (pos, "type `%s' previously defined", s); | |
541 | error_at_line (&p->line, "previously defined here"); | |
542 | } | |
543 | return; | |
544 | } | |
545 | ||
5d038c4c | 546 | p = XNEW (struct pair); |
e2500fed GK |
547 | p->next = typedefs; |
548 | p->name = s; | |
549 | p->type = t; | |
550 | p->line = *pos; | |
0277fabf | 551 | p->opt = NULL; |
e2500fed GK |
552 | typedefs = p; |
553 | } | |
554 | ||
95161faf ZW |
555 | /* Define S as a typename of a scalar. Cannot be used to define |
556 | typedefs of 'char'. Note: is also used for pointer-to-function | |
557 | typedefs (which are therefore not treated as pointers). */ | |
36a5eadd | 558 | |
95161faf | 559 | void |
3d7aafde | 560 | do_scalar_typedef (const char *s, struct fileloc *pos) |
36a5eadd | 561 | { |
95161faf | 562 | do_typedef (s, &scalar_nonchar, pos); |
36a5eadd GK |
563 | } |
564 | ||
0823efed DN |
565 | |
566 | /* Define TYPE_NAME to be a user defined type at location POS. */ | |
567 | ||
9771b263 | 568 | type_p |
0823efed DN |
569 | create_user_defined_type (const char *type_name, struct fileloc *pos) |
570 | { | |
571 | type_p ty = find_structure (type_name, TYPE_USER_STRUCT); | |
158f4e4f DM |
572 | |
573 | /* We might have already seen an incomplete decl of the given type, | |
574 | in which case we won't have yet seen a GTY((user)), and the type will | |
575 | only have kind "TYPE_STRUCT". Mark it as a user struct. */ | |
576 | ty->kind = TYPE_USER_STRUCT; | |
577 | ||
0823efed DN |
578 | ty->u.s.line = *pos; |
579 | ty->u.s.bitmap = get_lang_bitmap (pos->file); | |
580 | do_typedef (type_name, ty, pos); | |
581 | ||
582 | /* If TYPE_NAME specifies a template, create references to the types | |
583 | in the template by pretending that each type is a field of TY. | |
584 | This is needed to make sure that the types referenced by the | |
585 | template are marked as used. */ | |
586 | char *str = xstrdup (type_name); | |
587 | char *open_bracket = strchr (str, '<'); | |
588 | if (open_bracket) | |
589 | { | |
590 | /* We only accept simple template declarations (see | |
591 | require_template_declaration), so we only need to parse a | |
592 | comma-separated list of strings, implicitly assumed to | |
593 | be type names. */ | |
594 | char *arg = open_bracket + 1; | |
595 | char *type_id = strtok (arg, ",>"); | |
596 | pair_p fields = 0; | |
597 | while (type_id) | |
598 | { | |
599 | /* Create a new field for every type found inside the template | |
600 | parameter list. */ | |
601 | const char *field_name = xstrdup (type_id); | |
602 | type_p arg_type = resolve_typedef (field_name, pos); | |
603 | fields = create_field_at (fields, arg_type, field_name, 0, pos); | |
604 | type_id = strtok (0, ",>"); | |
605 | } | |
606 | ||
607 | /* Associate the field list to TY. */ | |
608 | ty->u.s.fields = fields; | |
609 | } | |
610 | free (str); | |
611 | ||
612 | return ty; | |
613 | } | |
614 | ||
615 | ||
9771b263 DN |
616 | /* Given a typedef name S, return its associated type. Return NULL if |
617 | S is not a registered type name. */ | |
9f313342 | 618 | |
9771b263 DN |
619 | static type_p |
620 | type_for_name (const char *s) | |
e2500fed GK |
621 | { |
622 | pair_p p; | |
c74f54a0 DM |
623 | |
624 | /* Special-case support for types within a "gcc::" namespace. Rather | |
625 | than fully-supporting namespaces, simply strip off the "gcc::" prefix | |
626 | where present. This allows us to have GTY roots of this form: | |
627 | extern GTY(()) gcc::some_type *some_ptr; | |
628 | where the autogenerated functions will refer to simply "some_type", | |
629 | where they can be resolved into their namespace. */ | |
c3284718 | 630 | if (0 == strncmp (s, "gcc::", 5)) |
c74f54a0 DM |
631 | s += 5; |
632 | ||
e2500fed GK |
633 | for (p = typedefs; p != NULL; p = p->next) |
634 | if (strcmp (p->name, s) == 0) | |
635 | return p->type; | |
9771b263 DN |
636 | return NULL; |
637 | } | |
638 | ||
639 | ||
640 | /* Create an undefined type with name S and location POS. Return the | |
641 | newly created type. */ | |
642 | ||
643 | static type_p | |
644 | create_undefined_type (const char *s, struct fileloc *pos) | |
645 | { | |
646 | type_p ty = find_structure (s, TYPE_UNDEFINED); | |
647 | ty->u.s.line = *pos; | |
648 | ty->u.s.bitmap = get_lang_bitmap (pos->file); | |
649 | do_typedef (s, ty, pos); | |
650 | return ty; | |
651 | } | |
652 | ||
653 | ||
654 | /* Return the type previously defined for S. Use POS to report errors. */ | |
0823efed | 655 | |
9771b263 DN |
656 | type_p |
657 | resolve_typedef (const char *s, struct fileloc *pos) | |
658 | { | |
659 | bool is_template_instance = (strchr (s, '<') != NULL); | |
660 | type_p p = type_for_name (s); | |
661 | ||
662 | /* If we did not find a typedef registered, generate a TYPE_UNDEFINED | |
663 | type for regular type identifiers. If the type identifier S is a | |
664 | template instantiation, however, we treat it as a user defined | |
665 | type. | |
666 | ||
667 | FIXME, this is actually a limitation in gengtype. Supporting | |
668 | template types and their instances would require keeping separate | |
669 | track of the basic types definition and its instances. This | |
670 | essentially forces all template classes in GC to be marked | |
671 | GTY((user)). */ | |
672 | if (!p) | |
673 | p = (is_template_instance) | |
674 | ? create_user_defined_type (s, pos) | |
675 | : create_undefined_type (s, pos); | |
676 | ||
677 | return p; | |
e2500fed GK |
678 | } |
679 | ||
32fe5271 DM |
680 | /* Add SUBCLASS to head of linked list of BASE's subclasses. */ |
681 | ||
682 | void add_subclass (type_p base, type_p subclass) | |
683 | { | |
684 | gcc_assert (union_or_struct_p (base)); | |
685 | gcc_assert (union_or_struct_p (subclass)); | |
686 | ||
687 | subclass->u.s.next_sibling_class = base->u.s.first_subclass; | |
688 | base->u.s.first_subclass = subclass; | |
689 | } | |
313465bb | 690 | |
0823efed DN |
691 | /* Create and return a new structure with tag NAME at POS with fields |
692 | FIELDS and options O. The KIND of structure must be one of | |
693 | TYPE_STRUCT, TYPE_UNION or TYPE_USER_STRUCT. */ | |
9f313342 | 694 | |
0f01f026 | 695 | type_p |
0823efed | 696 | new_structure (const char *name, enum typekind kind, struct fileloc *pos, |
18aa2b04 | 697 | pair_p fields, options_p o, type_p base_class) |
e2500fed GK |
698 | { |
699 | type_p si; | |
700 | type_p s = NULL; | |
11a67599 | 701 | lang_bitmap bitmap = get_lang_bitmap (pos->file); |
0823efed DN |
702 | bool isunion = (kind == TYPE_UNION); |
703 | ||
704 | gcc_assert (union_or_struct_p (kind)); | |
e2500fed GK |
705 | |
706 | for (si = structures; si != NULL; si = si->next) | |
e1b793e7 | 707 | if (strcmp (name, si->u.s.tag) == 0 && UNION_P (si) == isunion) |
e2500fed GK |
708 | { |
709 | type_p ls = NULL; | |
710 | if (si->kind == TYPE_LANG_STRUCT) | |
711 | { | |
712 | ls = si; | |
3d7aafde | 713 | |
e2500fed GK |
714 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
715 | if (si->u.s.bitmap == bitmap) | |
716 | s = si; | |
717 | } | |
718 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
719 | { | |
720 | ls = si; | |
92724e1d | 721 | type_count++; |
5d038c4c | 722 | si = XCNEW (struct type); |
e2500fed GK |
723 | memcpy (si, ls, sizeof (struct type)); |
724 | ls->kind = TYPE_LANG_STRUCT; | |
725 | ls->u.s.lang_struct = si; | |
726 | ls->u.s.fields = NULL; | |
727 | si->next = NULL; | |
92724e1d | 728 | si->state_number = -type_count; |
e2500fed GK |
729 | si->pointer_to = NULL; |
730 | si->u.s.lang_struct = ls; | |
731 | } | |
732 | else | |
733 | s = si; | |
734 | ||
735 | if (ls != NULL && s == NULL) | |
736 | { | |
92724e1d | 737 | type_count++; |
5d038c4c | 738 | s = XCNEW (struct type); |
92724e1d | 739 | s->state_number = -type_count; |
e2500fed GK |
740 | s->next = ls->u.s.lang_struct; |
741 | ls->u.s.lang_struct = s; | |
742 | s->u.s.lang_struct = ls; | |
743 | } | |
744 | break; | |
745 | } | |
3d7aafde | 746 | |
e2500fed GK |
747 | if (s == NULL) |
748 | { | |
92724e1d | 749 | type_count++; |
5d038c4c | 750 | s = XCNEW (struct type); |
92724e1d | 751 | s->state_number = -type_count; |
e2500fed GK |
752 | s->next = structures; |
753 | structures = s; | |
754 | } | |
755 | ||
313465bb | 756 | if (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap)) |
e2500fed | 757 | { |
01d419ae ZW |
758 | error_at_line (pos, "duplicate definition of '%s %s'", |
759 | isunion ? "union" : "struct", s->u.s.tag); | |
e2500fed GK |
760 | error_at_line (&s->u.s.line, "previous definition here"); |
761 | } | |
762 | ||
0823efed | 763 | s->kind = kind; |
e2500fed GK |
764 | s->u.s.tag = name; |
765 | s->u.s.line = *pos; | |
766 | s->u.s.fields = fields; | |
767 | s->u.s.opt = o; | |
768 | s->u.s.bitmap = bitmap; | |
769 | if (s->u.s.lang_struct) | |
770 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
18aa2b04 | 771 | s->u.s.base_class = base_class; |
32fe5271 DM |
772 | if (base_class) |
773 | add_subclass (base_class, s); | |
0f01f026 | 774 | |
e1b793e7 | 775 | return s; |
e2500fed GK |
776 | } |
777 | ||
0823efed DN |
778 | /* Return the previously-defined structure or union with tag NAME, |
779 | or a new empty structure or union if none was defined previously. | |
780 | The KIND of structure must be one of TYPE_STRUCT, TYPE_UNION or | |
781 | TYPE_USER_STRUCT. */ | |
9f313342 | 782 | |
e2500fed | 783 | type_p |
0823efed | 784 | find_structure (const char *name, enum typekind kind) |
e2500fed GK |
785 | { |
786 | type_p s; | |
0823efed DN |
787 | bool isunion = (kind == TYPE_UNION); |
788 | ||
9771b263 | 789 | gcc_assert (kind == TYPE_UNDEFINED || union_or_struct_p (kind)); |
e2500fed GK |
790 | |
791 | for (s = structures; s != NULL; s = s->next) | |
e1b793e7 | 792 | if (strcmp (name, s->u.s.tag) == 0 && UNION_P (s) == isunion) |
e2500fed GK |
793 | return s; |
794 | ||
92724e1d | 795 | type_count++; |
5d038c4c | 796 | s = XCNEW (struct type); |
e2500fed | 797 | s->next = structures; |
92724e1d | 798 | s->state_number = -type_count; |
e2500fed | 799 | structures = s; |
0823efed | 800 | s->kind = kind; |
e2500fed GK |
801 | s->u.s.tag = name; |
802 | structures = s; | |
803 | return s; | |
804 | } | |
805 | ||
272d0bee KH |
806 | /* Return the previously-defined parameterized structure for structure |
807 | T and parameters PARAM, or a new parameterized empty structure or | |
991b6592 | 808 | union if none was defined previously. */ |
36a5eadd GK |
809 | |
810 | static type_p | |
3d7aafde | 811 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
36a5eadd GK |
812 | { |
813 | type_p res; | |
3d7aafde | 814 | |
36a5eadd GK |
815 | for (res = param_structs; res; res = res->next) |
816 | if (res->u.param_struct.stru == t | |
3d7aafde | 817 | && memcmp (res->u.param_struct.param, param, |
36a5eadd GK |
818 | sizeof (type_p) * NUM_PARAM) == 0) |
819 | break; | |
820 | if (res == NULL) | |
821 | { | |
92724e1d | 822 | type_count++; |
5d038c4c | 823 | res = XCNEW (struct type); |
36a5eadd GK |
824 | res->kind = TYPE_PARAM_STRUCT; |
825 | res->next = param_structs; | |
92724e1d | 826 | res->state_number = -type_count; |
36a5eadd GK |
827 | param_structs = res; |
828 | res->u.param_struct.stru = t; | |
829 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
830 | } | |
831 | return res; | |
832 | } | |
833 | ||
9f313342 GK |
834 | /* Return a scalar type with name NAME. */ |
835 | ||
e2500fed | 836 | type_p |
95161faf | 837 | create_scalar_type (const char *name) |
e2500fed | 838 | { |
95161faf ZW |
839 | if (!strcmp (name, "char") || !strcmp (name, "unsigned char")) |
840 | return &scalar_char; | |
841 | else | |
842 | return &scalar_nonchar; | |
e2500fed GK |
843 | } |
844 | ||
313465bb | 845 | |
9f313342 GK |
846 | /* Return a pointer to T. */ |
847 | ||
e2500fed | 848 | type_p |
3d7aafde | 849 | create_pointer (type_p t) |
e2500fed | 850 | { |
e1b793e7 | 851 | if (!t->pointer_to) |
e2500fed | 852 | { |
5d038c4c | 853 | type_p r = XCNEW (struct type); |
92724e1d BS |
854 | type_count++; |
855 | r->state_number = -type_count; | |
e2500fed GK |
856 | r->kind = TYPE_POINTER; |
857 | r->u.p = t; | |
858 | t->pointer_to = r; | |
859 | } | |
860 | return t->pointer_to; | |
861 | } | |
862 | ||
9f313342 GK |
863 | /* Return an array of length LEN. */ |
864 | ||
e2500fed | 865 | type_p |
3d7aafde | 866 | create_array (type_p t, const char *len) |
e2500fed GK |
867 | { |
868 | type_p v; | |
3d7aafde | 869 | |
92724e1d | 870 | type_count++; |
5d038c4c | 871 | v = XCNEW (struct type); |
e2500fed | 872 | v->kind = TYPE_ARRAY; |
92724e1d | 873 | v->state_number = -type_count; |
e2500fed GK |
874 | v->u.a.p = t; |
875 | v->u.a.len = len; | |
876 | return v; | |
877 | } | |
878 | ||
412dc29d BS |
879 | /* Return a string options structure with name NAME and info INFO. |
880 | NEXT is the next option in the chain. */ | |
881 | options_p | |
882 | create_string_option (options_p next, const char *name, const char *info) | |
883 | { | |
884 | options_p o = XNEW (struct options); | |
885 | o->kind = OPTION_STRING; | |
886 | o->next = next; | |
887 | o->name = name; | |
888 | o->info.string = info; | |
889 | return o; | |
890 | } | |
0f01f026 | 891 | |
412dc29d BS |
892 | /* Create a type options structure with name NAME and info INFO. NEXT |
893 | is the next option in the chain. */ | |
1431042e | 894 | options_p |
412dc29d | 895 | create_type_option (options_p next, const char* name, type_p info) |
1431042e | 896 | { |
5d038c4c | 897 | options_p o = XNEW (struct options); |
0f01f026 | 898 | o->next = next; |
1431042e | 899 | o->name = name; |
412dc29d BS |
900 | o->kind = OPTION_TYPE; |
901 | o->info.type = info; | |
902 | return o; | |
903 | } | |
904 | ||
905 | /* Create a nested pointer options structure with name NAME and info | |
906 | INFO. NEXT is the next option in the chain. */ | |
907 | options_p | |
908 | create_nested_option (options_p next, const char* name, | |
909 | struct nested_ptr_data* info) | |
910 | { | |
911 | options_p o; | |
912 | o = XNEW (struct options); | |
913 | o->next = next; | |
914 | o->name = name; | |
915 | o->kind = OPTION_NESTED; | |
916 | o->info.nested = info; | |
1431042e ZW |
917 | return o; |
918 | } | |
919 | ||
17defa6a ZW |
920 | /* Return an options structure for a "nested_ptr" option. */ |
921 | options_p | |
065ae611 ZW |
922 | create_nested_ptr_option (options_p next, type_p t, |
923 | const char *to, const char *from) | |
17defa6a ZW |
924 | { |
925 | struct nested_ptr_data *d = XNEW (struct nested_ptr_data); | |
926 | ||
927 | d->type = adjust_field_type (t, 0); | |
928 | d->convert_to = to; | |
929 | d->convert_from = from; | |
412dc29d | 930 | return create_nested_option (next, "nested_ptr", d); |
17defa6a ZW |
931 | } |
932 | ||
36a5eadd GK |
933 | /* Add a variable named S of type T with options O defined at POS, |
934 | to `variables'. */ | |
36a5eadd | 935 | void |
3d7aafde | 936 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
36a5eadd GK |
937 | { |
938 | pair_p n; | |
5d038c4c | 939 | n = XNEW (struct pair); |
36a5eadd GK |
940 | n->name = s; |
941 | n->type = t; | |
942 | n->line = *pos; | |
943 | n->opt = o; | |
944 | n->next = variables; | |
945 | variables = n; | |
946 | } | |
947 | ||
065ae611 | 948 | /* Most-general structure field creator. */ |
0f01f026 | 949 | static pair_p |
065ae611 | 950 | create_field_all (pair_p next, type_p type, const char *name, options_p opt, |
14c4815e | 951 | const input_file *inpf, int line) |
0f01f026 RS |
952 | { |
953 | pair_p field; | |
954 | ||
955 | field = XNEW (struct pair); | |
956 | field->next = next; | |
957 | field->type = type; | |
958 | field->name = name; | |
065ae611 | 959 | field->opt = opt; |
14c4815e | 960 | field->line.file = inpf; |
065ae611 | 961 | field->line.line = line; |
0f01f026 RS |
962 | return field; |
963 | } | |
964 | ||
065ae611 ZW |
965 | /* Create a field that came from the source code we are scanning, |
966 | i.e. we have a 'struct fileloc', and possibly options; also, | |
967 | adjust_field_type should be called. */ | |
968 | pair_p | |
969 | create_field_at (pair_p next, type_p type, const char *name, options_p opt, | |
970 | struct fileloc *pos) | |
971 | { | |
972 | return create_field_all (next, adjust_field_type (type, opt), | |
973 | name, opt, pos->file, pos->line); | |
974 | } | |
975 | ||
976 | /* Create a fake field with the given type and name. NEXT is the next | |
977 | field in the chain. */ | |
978 | #define create_field(next,type,name) \ | |
c3284718 | 979 | create_field_all (next,type,name, 0, this_file, __LINE__) |
065ae611 | 980 | |
aacd3885 RS |
981 | /* Like create_field, but the field is only valid when condition COND |
982 | is true. */ | |
983 | ||
984 | static pair_p | |
065ae611 ZW |
985 | create_optional_field_ (pair_p next, type_p type, const char *name, |
986 | const char *cond, int line) | |
aacd3885 RS |
987 | { |
988 | static int id = 1; | |
065ae611 | 989 | pair_p union_fields; |
aacd3885 RS |
990 | type_p union_type; |
991 | ||
992 | /* Create a fake union type with a single nameless field of type TYPE. | |
993 | The field has a tag of "1". This allows us to make the presence | |
994 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
995 | union_fields = create_field (NULL, type, ""); | |
412dc29d BS |
996 | union_fields->opt = |
997 | create_string_option (union_fields->opt, "dot", ""); | |
998 | union_fields->opt = | |
999 | create_string_option (union_fields->opt, "tag", "1"); | |
1000 | union_type = | |
0823efed | 1001 | new_structure (xasprintf ("%s_%d", "fake_union", id++), TYPE_UNION, |
18aa2b04 | 1002 | &lexer_line, union_fields, NULL, NULL); |
aacd3885 RS |
1003 | |
1004 | /* Create the field and give it the new fake union type. Add a "desc" | |
1005 | tag that specifies the condition under which the field is valid. */ | |
065ae611 | 1006 | return create_field_all (next, union_type, name, |
412dc29d BS |
1007 | create_string_option (0, "desc", cond), |
1008 | this_file, line); | |
aacd3885 | 1009 | } |
e1b793e7 | 1010 | |
065ae611 | 1011 | #define create_optional_field(next,type,name,cond) \ |
f8ed6dc5 | 1012 | create_optional_field_(next,type,name,cond,__LINE__) |
aacd3885 | 1013 | |
01d419ae ZW |
1014 | /* Reverse a linked list of 'struct pair's in place. */ |
1015 | pair_p | |
1016 | nreverse_pairs (pair_p list) | |
1017 | { | |
1018 | pair_p prev = 0, p, next; | |
1019 | for (p = list; p; p = next) | |
1020 | { | |
1021 | next = p->next; | |
1022 | p->next = prev; | |
1023 | prev = p; | |
1024 | } | |
1025 | return prev; | |
1026 | } | |
01d419ae | 1027 | \f |
e1b793e7 | 1028 | |
9e995780 | 1029 | /* We don't care how long a CONST_DOUBLE is. */ |
36a5eadd | 1030 | #define CONST_DOUBLE_FORMAT "ww" |
9e995780 ZW |
1031 | /* We don't want to see codes that are only for generator files. */ |
1032 | #undef GENERATOR_FILE | |
1033 | ||
e1b793e7 BS |
1034 | enum rtx_code |
1035 | { | |
9e995780 ZW |
1036 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , |
1037 | #include "rtl.def" | |
1038 | #undef DEF_RTL_EXPR | |
1039 | NUM_RTX_CODE | |
1040 | }; | |
1041 | ||
e1b793e7 | 1042 | static const char *const rtx_name[NUM_RTX_CODE] = { |
9e995780 ZW |
1043 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , |
1044 | #include "rtl.def" | |
1045 | #undef DEF_RTL_EXPR | |
1046 | }; | |
1047 | ||
e1b793e7 | 1048 | static const char *const rtx_format[NUM_RTX_CODE] = { |
36a5eadd GK |
1049 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
1050 | #include "rtl.def" | |
1051 | #undef DEF_RTL_EXPR | |
1052 | }; | |
1053 | ||
5ba6918e | 1054 | static int rtx_next_new[NUM_RTX_CODE]; |
36a5eadd | 1055 | |
9e995780 ZW |
1056 | /* We also need codes and names for insn notes (not register notes). |
1057 | Note that we do *not* bias the note values here. */ | |
e1b793e7 BS |
1058 | enum insn_note |
1059 | { | |
9e995780 ZW |
1060 | #define DEF_INSN_NOTE(NAME) NAME, |
1061 | #include "insn-notes.def" | |
1062 | #undef DEF_INSN_NOTE | |
1063 | ||
1064 | NOTE_INSN_MAX | |
1065 | }; | |
1066 | ||
79e4e6a6 JW |
1067 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
1068 | default field for line number notes. */ | |
e1b793e7 | 1069 | static const char *const note_insn_name[NOTE_INSN_MAX + 1] = { |
9e995780 ZW |
1070 | #define DEF_INSN_NOTE(NAME) #NAME, |
1071 | #include "insn-notes.def" | |
1072 | #undef DEF_INSN_NOTE | |
1073 | }; | |
1074 | ||
1075 | #undef CONST_DOUBLE_FORMAT | |
1076 | #define GENERATOR_FILE | |
1077 | ||
36a5eadd GK |
1078 | /* Generate the contents of the rtx_next array. This really doesn't belong |
1079 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
1080 | ||
1081 | static void | |
3d7aafde | 1082 | gen_rtx_next (void) |
36a5eadd GK |
1083 | { |
1084 | int i; | |
1085 | for (i = 0; i < NUM_RTX_CODE; i++) | |
1086 | { | |
1087 | int k; | |
3d7aafde | 1088 | |
5ba6918e | 1089 | rtx_next_new[i] = -1; |
36a5eadd | 1090 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
5ba6918e | 1091 | rtx_next_new[i] = 2; |
36a5eadd | 1092 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
5ba6918e | 1093 | rtx_next_new[i] = 1; |
3d7aafde | 1094 | else |
36a5eadd GK |
1095 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
1096 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
5ba6918e | 1097 | rtx_next_new[i] = k; |
36a5eadd GK |
1098 | } |
1099 | } | |
1100 | ||
1101 | /* Write out the contents of the rtx_next array. */ | |
1102 | static void | |
3d7aafde | 1103 | write_rtx_next (void) |
36a5eadd GK |
1104 | { |
1105 | outf_p f = get_output_file_with_visibility (NULL); | |
1106 | int i; | |
b8698a0f | 1107 | if (!f) |
bd117bb6 | 1108 | return; |
3d7aafde | 1109 | |
36a5eadd | 1110 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
6bc7bc14 | 1111 | oprintf (f, "EXPORTED_CONST unsigned char rtx_next[NUM_RTX_CODE] = {\n"); |
36a5eadd | 1112 | for (i = 0; i < NUM_RTX_CODE; i++) |
5ba6918e | 1113 | if (rtx_next_new[i] == -1) |
36a5eadd GK |
1114 | oprintf (f, " 0,\n"); |
1115 | else | |
3d7aafde | 1116 | oprintf (f, |
e1b793e7 | 1117 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", rtx_next_new[i]); |
36a5eadd GK |
1118 | oprintf (f, "};\n"); |
1119 | } | |
1120 | ||
1121 | /* Handle `special("rtx_def")'. This is a special case for field | |
1122 | `fld' of struct rtx_def, which is an array of unions whose values | |
1123 | are based in a complex way on the type of RTL. */ | |
1124 | ||
1125 | static type_p | |
e18476eb | 1126 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
36a5eadd GK |
1127 | { |
1128 | pair_p flds = NULL; | |
1129 | options_p nodot; | |
1130 | int i; | |
1131 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
a2c9fe42 | 1132 | type_p basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
36a5eadd | 1133 | |
e1de1560 | 1134 | if (t->kind != TYPE_UNION) |
36a5eadd | 1135 | { |
3d7aafde | 1136 | error_at_line (&lexer_line, |
e1de1560 | 1137 | "special `rtx_def' must be applied to a union"); |
36a5eadd GK |
1138 | return &string_type; |
1139 | } | |
3d7aafde | 1140 | |
412dc29d | 1141 | nodot = create_string_option (NULL, "dot", ""); |
36a5eadd | 1142 | |
0823efed DN |
1143 | rtx_tp = create_pointer (find_structure ("rtx_def", TYPE_STRUCT)); |
1144 | rtvec_tp = create_pointer (find_structure ("rtvec_def", TYPE_STRUCT)); | |
1145 | tree_tp = create_pointer (find_structure ("tree_node", TYPE_UNION)); | |
1146 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", TYPE_STRUCT)); | |
412dc29d | 1147 | reg_attrs_tp = |
0823efed | 1148 | create_pointer (find_structure ("reg_attrs", TYPE_STRUCT)); |
412dc29d | 1149 | basic_block_tp = |
0823efed | 1150 | create_pointer (find_structure ("basic_block_def", TYPE_STRUCT)); |
e1b793e7 | 1151 | constant_tp = |
0823efed | 1152 | create_pointer (find_structure ("constant_descriptor_rtx", TYPE_STRUCT)); |
e1b793e7 | 1153 | scalar_tp = &scalar_nonchar; /* rtunion int */ |
36a5eadd GK |
1154 | |
1155 | { | |
1156 | pair_p note_flds = NULL; | |
1157 | int c; | |
5ba6918e | 1158 | |
9e995780 | 1159 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
36a5eadd | 1160 | { |
5ba6918e GK |
1161 | switch (c) |
1162 | { | |
5ba6918e | 1163 | case NOTE_INSN_MAX: |
1bcca2c5 | 1164 | case NOTE_INSN_DELETED_LABEL: |
5619e52c | 1165 | case NOTE_INSN_DELETED_DEBUG_LABEL: |
0f01f026 | 1166 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
5ba6918e GK |
1167 | break; |
1168 | ||
1169 | case NOTE_INSN_BLOCK_BEG: | |
1170 | case NOTE_INSN_BLOCK_END: | |
0f01f026 | 1171 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
5ba6918e | 1172 | break; |
3d7aafde | 1173 | |
014a1138 | 1174 | case NOTE_INSN_VAR_LOCATION: |
2b1c5433 | 1175 | case NOTE_INSN_CALL_ARG_LOCATION: |
0f01f026 | 1176 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
5ba6918e GK |
1177 | break; |
1178 | ||
1179 | default: | |
0f01f026 | 1180 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
5ba6918e GK |
1181 | break; |
1182 | } | |
0f01f026 RS |
1183 | /* NOTE_INSN_MAX is used as the default field for line |
1184 | number notes. */ | |
1185 | if (c == NOTE_INSN_MAX) | |
412dc29d BS |
1186 | note_flds->opt = |
1187 | create_string_option (nodot, "default", ""); | |
0f01f026 | 1188 | else |
412dc29d BS |
1189 | note_flds->opt = |
1190 | create_string_option (nodot, "tag", note_insn_name[c]); | |
36a5eadd | 1191 | } |
0823efed | 1192 | note_union_tp = new_structure ("rtx_def_note_subunion", TYPE_UNION, |
18aa2b04 | 1193 | &lexer_line, note_flds, NULL, NULL); |
36a5eadd | 1194 | } |
c185c797 RS |
1195 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
1196 | { | |
1197 | pair_p sym_flds; | |
c185c797 | 1198 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); |
412dc29d | 1199 | sym_flds->opt = create_string_option (nodot, "default", ""); |
c185c797 | 1200 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); |
412dc29d | 1201 | sym_flds->opt = create_string_option (nodot, "tag", "1"); |
0823efed | 1202 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", TYPE_UNION, |
18aa2b04 | 1203 | &lexer_line, sym_flds, NULL, NULL); |
c185c797 | 1204 | } |
36a5eadd GK |
1205 | for (i = 0; i < NUM_RTX_CODE; i++) |
1206 | { | |
36a5eadd GK |
1207 | pair_p subfields = NULL; |
1208 | size_t aindex, nmindex; | |
1209 | const char *sname; | |
0f01f026 | 1210 | type_p substruct; |
36a5eadd GK |
1211 | char *ftag; |
1212 | ||
1213 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
1214 | { | |
36a5eadd GK |
1215 | type_p t; |
1216 | const char *subname; | |
1217 | ||
1218 | switch (rtx_format[i][aindex]) | |
1219 | { | |
1220 | case '*': | |
1221 | case 'i': | |
1222 | case 'n': | |
1223 | case 'w': | |
1224 | t = scalar_tp; | |
9ce88f5e | 1225 | subname = "rt_int"; |
36a5eadd GK |
1226 | break; |
1227 | ||
1228 | case '0': | |
1229 | if (i == MEM && aindex == 1) | |
9ce88f5e | 1230 | t = mem_attrs_tp, subname = "rt_mem"; |
6fb5fa3c | 1231 | else if (i == JUMP_INSN && aindex == 8) |
9ce88f5e | 1232 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd | 1233 | else if (i == CODE_LABEL && aindex == 5) |
418e920f BS |
1234 | t = scalar_tp, subname = "rt_int"; |
1235 | else if (i == CODE_LABEL && aindex == 4) | |
9ce88f5e | 1236 | t = rtx_tp, subname = "rt_rtx"; |
e1b793e7 | 1237 | else if (i == LABEL_REF && (aindex == 1 || aindex == 2)) |
9ce88f5e | 1238 | t = rtx_tp, subname = "rt_rtx"; |
418e920f | 1239 | else if (i == NOTE && aindex == 4) |
0f953f83 JJ |
1240 | t = note_union_tp, subname = ""; |
1241 | else if (i == NOTE && aindex == 5) | |
a38e7aa5 | 1242 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1243 | else if (i == NOTE && aindex >= 7) |
9ce88f5e | 1244 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1245 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
9ce88f5e | 1246 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1247 | else if (i == VALUE && aindex == 0) |
9ce88f5e | 1248 | t = scalar_tp, subname = "rt_int"; |
0ca5af51 AO |
1249 | else if (i == DEBUG_EXPR && aindex == 0) |
1250 | t = tree_tp, subname = "rt_tree"; | |
36a5eadd | 1251 | else if (i == REG && aindex == 1) |
9ce88f5e | 1252 | t = scalar_tp, subname = "rt_int"; |
a560d4d4 | 1253 | else if (i == REG && aindex == 2) |
9ce88f5e | 1254 | t = reg_attrs_tp, subname = "rt_reg"; |
36a5eadd | 1255 | else if (i == SCRATCH && aindex == 0) |
9ce88f5e | 1256 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1257 | else if (i == SYMBOL_REF && aindex == 1) |
9ce88f5e | 1258 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1259 | else if (i == SYMBOL_REF && aindex == 2) |
c185c797 | 1260 | t = symbol_union_tp, subname = ""; |
39718607 SB |
1261 | else if (i == JUMP_TABLE_DATA && aindex >= 5) |
1262 | t = scalar_tp, subname = "rt_int"; | |
36a5eadd | 1263 | else if (i == BARRIER && aindex >= 3) |
9ce88f5e | 1264 | t = scalar_tp, subname = "rt_int"; |
a58a8e4b JJ |
1265 | else if (i == ENTRY_VALUE && aindex == 0) |
1266 | t = rtx_tp, subname = "rt_rtx"; | |
36a5eadd GK |
1267 | else |
1268 | { | |
412dc29d BS |
1269 | error_at_line |
1270 | (&lexer_line, | |
1271 | "rtx type `%s' has `0' in position %lu, can't handle", | |
1272 | rtx_name[i], (unsigned long) aindex); | |
36a5eadd | 1273 | t = &string_type; |
9ce88f5e | 1274 | subname = "rt_int"; |
36a5eadd GK |
1275 | } |
1276 | break; | |
3d7aafde | 1277 | |
36a5eadd GK |
1278 | case 's': |
1279 | case 'S': | |
1280 | case 'T': | |
1281 | t = &string_type; | |
9ce88f5e | 1282 | subname = "rt_str"; |
36a5eadd GK |
1283 | break; |
1284 | ||
1285 | case 'e': | |
1286 | case 'u': | |
1287 | t = rtx_tp; | |
9ce88f5e | 1288 | subname = "rt_rtx"; |
36a5eadd GK |
1289 | break; |
1290 | ||
1291 | case 'E': | |
1292 | case 'V': | |
1293 | t = rtvec_tp; | |
9ce88f5e | 1294 | subname = "rt_rtvec"; |
36a5eadd GK |
1295 | break; |
1296 | ||
1297 | case 't': | |
1298 | t = tree_tp; | |
9ce88f5e | 1299 | subname = "rt_tree"; |
36a5eadd GK |
1300 | break; |
1301 | ||
36a5eadd GK |
1302 | case 'B': |
1303 | t = basic_block_tp; | |
9ce88f5e | 1304 | subname = "rt_bb"; |
36a5eadd GK |
1305 | break; |
1306 | ||
1307 | default: | |
412dc29d BS |
1308 | error_at_line |
1309 | (&lexer_line, | |
1310 | "rtx type `%s' has `%c' in position %lu, can't handle", | |
1311 | rtx_name[i], rtx_format[i][aindex], | |
1312 | (unsigned long) aindex); | |
36a5eadd | 1313 | t = &string_type; |
9ce88f5e | 1314 | subname = "rt_int"; |
36a5eadd GK |
1315 | break; |
1316 | } | |
1317 | ||
0f01f026 RS |
1318 | subfields = create_field (subfields, t, |
1319 | xasprintf (".fld[%lu].%s", | |
1320 | (unsigned long) aindex, | |
1321 | subname)); | |
1322 | subfields->opt = nodot; | |
36a5eadd | 1323 | if (t == note_union_tp) |
412dc29d BS |
1324 | subfields->opt = |
1325 | create_string_option (subfields->opt, "desc", | |
1326 | "NOTE_KIND (&%0)"); | |
c185c797 | 1327 | if (t == symbol_union_tp) |
412dc29d BS |
1328 | subfields->opt = |
1329 | create_string_option (subfields->opt, "desc", | |
1330 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
36a5eadd GK |
1331 | } |
1332 | ||
aacd3885 RS |
1333 | if (i == SYMBOL_REF) |
1334 | { | |
412dc29d BS |
1335 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P |
1336 | holds. */ | |
0823efed | 1337 | type_p field_tp = find_structure ("block_symbol", TYPE_STRUCT); |
3fa9c136 RS |
1338 | subfields |
1339 | = create_optional_field (subfields, field_tp, "block_sym", | |
1340 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
aacd3885 RS |
1341 | } |
1342 | ||
36a5eadd | 1343 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0823efed | 1344 | substruct = new_structure (sname, TYPE_STRUCT, &lexer_line, subfields, |
18aa2b04 | 1345 | NULL, NULL); |
0f01f026 | 1346 | |
36a5eadd GK |
1347 | ftag = xstrdup (rtx_name[i]); |
1348 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
1349 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0f01f026 | 1350 | flds = create_field (flds, substruct, ""); |
412dc29d | 1351 | flds->opt = create_string_option (nodot, "tag", ftag); |
36a5eadd | 1352 | } |
0823efed | 1353 | return new_structure ("rtx_def_subunion", TYPE_UNION, &lexer_line, flds, |
18aa2b04 | 1354 | nodot, NULL); |
36a5eadd GK |
1355 | } |
1356 | ||
1357 | /* Handle `special("tree_exp")'. This is a special case for | |
1358 | field `operands' of struct tree_exp, which although it claims to contain | |
3d7aafde | 1359 | pointers to trees, actually sometimes contains pointers to RTL too. |
36a5eadd GK |
1360 | Passed T, the old type of the field, and OPT its options. Returns |
1361 | a new type for the field. */ | |
1362 | ||
1363 | static type_p | |
3d7aafde | 1364 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
36a5eadd GK |
1365 | { |
1366 | pair_p flds; | |
1367 | options_p nodot; | |
3d7aafde | 1368 | |
36a5eadd GK |
1369 | if (t->kind != TYPE_ARRAY) |
1370 | { | |
3d7aafde | 1371 | error_at_line (&lexer_line, |
36a5eadd GK |
1372 | "special `tree_exp' must be applied to an array"); |
1373 | return &string_type; | |
1374 | } | |
3d7aafde | 1375 | |
412dc29d | 1376 | nodot = create_string_option (NULL, "dot", ""); |
0f01f026 RS |
1377 | |
1378 | flds = create_field (NULL, t, ""); | |
412dc29d BS |
1379 | flds->opt = create_string_option (nodot, "length", |
1380 | "TREE_OPERAND_LENGTH ((tree) &%0)"); | |
1381 | flds->opt = create_string_option (flds->opt, "default", ""); | |
3d7aafde | 1382 | |
0823efed | 1383 | return new_structure ("tree_exp_subunion", TYPE_UNION, &lexer_line, flds, |
18aa2b04 | 1384 | nodot, NULL); |
36a5eadd GK |
1385 | } |
1386 | ||
9f313342 GK |
1387 | /* Perform any special processing on a type T, about to become the type |
1388 | of a field. Return the appropriate type for the field. | |
1389 | At present: | |
1390 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
1391 | - Similarly for arrays of pointer-to-char; | |
1392 | - Converts structures for which a parameter is provided to | |
36a5eadd GK |
1393 | TYPE_PARAM_STRUCT; |
1394 | - Handles "special" options. | |
3d7aafde | 1395 | */ |
9f313342 | 1396 | |
e2500fed | 1397 | type_p |
3d7aafde | 1398 | adjust_field_type (type_p t, options_p opt) |
e2500fed GK |
1399 | { |
1400 | int length_p = 0; | |
1401 | const int pointer_p = t->kind == TYPE_POINTER; | |
36a5eadd GK |
1402 | type_p params[NUM_PARAM]; |
1403 | int params_p = 0; | |
1404 | int i; | |
1405 | ||
1406 | for (i = 0; i < NUM_PARAM; i++) | |
1407 | params[i] = NULL; | |
3d7aafde | 1408 | |
e2500fed GK |
1409 | for (; opt; opt = opt->next) |
1410 | if (strcmp (opt->name, "length") == 0) | |
c0fd3497 LB |
1411 | { |
1412 | if (length_p) | |
1413 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
1414 | if (t->u.p->kind == TYPE_SCALAR || t->u.p->kind == TYPE_STRING) | |
1415 | { | |
1416 | error_at_line (&lexer_line, | |
1417 | "option `%s' may not be applied to " | |
1418 | "arrays of atomic types", opt->name); | |
1419 | } | |
1420 | length_p = 1; | |
1421 | } | |
412dc29d BS |
1422 | else if ((strcmp (opt->name, "param_is") == 0 |
1423 | || (strncmp (opt->name, "param", 5) == 0 | |
1424 | && ISDIGIT (opt->name[5]) | |
1425 | && strcmp (opt->name + 6, "_is") == 0)) | |
1426 | && opt->kind == OPTION_TYPE) | |
e2500fed | 1427 | { |
36a5eadd | 1428 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
e2500fed | 1429 | |
0823efed DN |
1430 | if (!union_or_struct_p (t) |
1431 | && (t->kind != TYPE_POINTER || !union_or_struct_p (t->u.p))) | |
36a5eadd | 1432 | { |
3d7aafde | 1433 | error_at_line (&lexer_line, |
e1b793e7 | 1434 | "option `%s' may only be applied to structures or structure pointers", |
36a5eadd GK |
1435 | opt->name); |
1436 | return t; | |
1437 | } | |
1438 | ||
1439 | params_p = 1; | |
1440 | if (params[num] != NULL) | |
1441 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
e1b793e7 | 1442 | if (!ISDIGIT (opt->name[5])) |
412dc29d | 1443 | params[num] = create_pointer (opt->info.type); |
36a5eadd | 1444 | else |
412dc29d | 1445 | params[num] = opt->info.type; |
e2500fed | 1446 | } |
412dc29d BS |
1447 | else if (strcmp (opt->name, "special") == 0 |
1448 | && opt->kind == OPTION_STRING) | |
36a5eadd | 1449 | { |
412dc29d | 1450 | const char *special_name = opt->info.string; |
36a5eadd GK |
1451 | if (strcmp (special_name, "tree_exp") == 0) |
1452 | t = adjust_field_tree_exp (t, opt); | |
1453 | else if (strcmp (special_name, "rtx_def") == 0) | |
1454 | t = adjust_field_rtx_def (t, opt); | |
1455 | else | |
1456 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
1457 | } | |
1458 | ||
1459 | if (params_p) | |
1460 | { | |
1461 | type_p realt; | |
3d7aafde | 1462 | |
36a5eadd GK |
1463 | if (pointer_p) |
1464 | t = t->u.p; | |
1465 | realt = find_param_structure (t, params); | |
1466 | t = pointer_p ? create_pointer (realt) : realt; | |
1467 | } | |
1468 | ||
e1b793e7 BS |
1469 | if (!length_p |
1470 | && pointer_p && t->u.p->kind == TYPE_SCALAR && t->u.p->u.scalar_is_char) | |
e2500fed GK |
1471 | return &string_type; |
1472 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
1473 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
95161faf | 1474 | && t->u.a.p->u.p->u.scalar_is_char) |
e2500fed GK |
1475 | return create_array (&string_type, t->u.a.len); |
1476 | ||
1477 | return t; | |
1478 | } | |
e2500fed | 1479 | \f |
e1b793e7 | 1480 | |
9771b263 DN |
1481 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *, |
1482 | bool = false); | |
3d7aafde | 1483 | static void set_gc_used (pair_p); |
e2500fed | 1484 | |
9f313342 GK |
1485 | /* Handle OPT for set_gc_used_type. */ |
1486 | ||
e2500fed | 1487 | static void |
3d7aafde | 1488 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
e1b793e7 BS |
1489 | int *pass_param, int *length, int *skip, |
1490 | type_p *nested_ptr) | |
e2500fed GK |
1491 | { |
1492 | options_p o; | |
1493 | for (o = opt; o; o = o->next) | |
412dc29d BS |
1494 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO |
1495 | && o->kind == OPTION_TYPE) | |
1496 | set_gc_used_type (o->info.type, | |
7cbb2a85 | 1497 | GC_POINTED_TO, NULL); |
e2500fed GK |
1498 | else if (strcmp (o->name, "maybe_undef") == 0) |
1499 | *maybe_undef = 1; | |
36a5eadd GK |
1500 | else if (strcmp (o->name, "use_params") == 0) |
1501 | *pass_param = 1; | |
1502 | else if (strcmp (o->name, "length") == 0) | |
1503 | *length = 1; | |
5932ca9d ZW |
1504 | else if (strcmp (o->name, "skip") == 0) |
1505 | *skip = 1; | |
412dc29d BS |
1506 | else if (strcmp (o->name, "nested_ptr") == 0 |
1507 | && o->kind == OPTION_NESTED) | |
1508 | *nested_ptr = ((const struct nested_ptr_data *) o->info.nested)->type; | |
e2500fed GK |
1509 | } |
1510 | ||
9f313342 | 1511 | |
9771b263 DN |
1512 | /* Set the gc_used field of T to LEVEL, and handle the types it references. |
1513 | ||
1514 | If ALLOWED_UNDEFINED_TYPES is true, types of kind TYPE_UNDEFINED | |
1515 | are set to GC_UNUSED. Otherwise, an error is emitted for | |
1516 | TYPE_UNDEFINED types. This is used to support user-defined | |
1517 | template types with non-type arguments. | |
1518 | ||
1519 | For instance, when we parse a template type with enum arguments | |
1520 | (e.g. MyType<AnotherType, EnumValue>), the parser created two | |
1521 | artificial fields for 'MyType', one for 'AnotherType', the other | |
1522 | one for 'EnumValue'. | |
1523 | ||
1524 | At the time that we parse this type we don't know that 'EnumValue' | |
1525 | is really an enum value, so the parser creates a TYPE_UNDEFINED | |
1526 | type for it. Since 'EnumValue' is never resolved to a known | |
1527 | structure, it will stay with TYPE_UNDEFINED. | |
1528 | ||
1529 | Since 'MyType' is a TYPE_USER_STRUCT, we can simply ignore | |
1530 | 'EnumValue'. Generating marking code for it would cause | |
1531 | compilation failures since the marking routines assumes that | |
1532 | 'EnumValue' is a type. */ | |
1533 | ||
e2500fed | 1534 | static void |
9771b263 DN |
1535 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM], |
1536 | bool allow_undefined_types) | |
e2500fed GK |
1537 | { |
1538 | if (t->gc_used >= level) | |
1539 | return; | |
3d7aafde | 1540 | |
e2500fed GK |
1541 | t->gc_used = level; |
1542 | ||
1543 | switch (t->kind) | |
1544 | { | |
1545 | case TYPE_STRUCT: | |
1546 | case TYPE_UNION: | |
0823efed | 1547 | case TYPE_USER_STRUCT: |
e2500fed GK |
1548 | { |
1549 | pair_p f; | |
1550 | int dummy; | |
d8044160 | 1551 | type_p dummy2; |
9771b263 | 1552 | bool allow_undefined_field_types = (t->kind == TYPE_USER_STRUCT); |
e2500fed | 1553 | |
5932ca9d | 1554 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
d8044160 | 1555 | &dummy2); |
e2500fed | 1556 | |
52a7fb3c DM |
1557 | if (t->u.s.base_class) |
1558 | set_gc_used_type (t->u.s.base_class, level, param, | |
1559 | allow_undefined_types); | |
32fe5271 DM |
1560 | /* Anything pointing to a base class might actually be pointing |
1561 | to a subclass. */ | |
1562 | for (type_p subclass = t->u.s.first_subclass; subclass; | |
1563 | subclass = subclass->u.s.next_sibling_class) | |
1564 | set_gc_used_type (subclass, level, param, | |
1565 | allow_undefined_types); | |
52a7fb3c DM |
1566 | |
1567 | FOR_ALL_INHERITED_FIELDS(t, f) | |
e2500fed GK |
1568 | { |
1569 | int maybe_undef = 0; | |
36a5eadd GK |
1570 | int pass_param = 0; |
1571 | int length = 0; | |
5932ca9d | 1572 | int skip = 0; |
d8044160 | 1573 | type_p nested_ptr = NULL; |
36a5eadd | 1574 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
5932ca9d | 1575 | &length, &skip, &nested_ptr); |
3d7aafde | 1576 | |
d8044160 | 1577 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
b8698a0f | 1578 | set_gc_used_type (nested_ptr, GC_POINTED_TO, |
d8044160 GK |
1579 | pass_param ? param : NULL); |
1580 | else if (length && f->type->kind == TYPE_POINTER) | |
36a5eadd GK |
1581 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
1582 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
1583 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
1584 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
1585 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
1586 | GC_POINTED_TO, NULL); | |
5932ca9d | 1587 | else if (skip) |
e1b793e7 | 1588 | ; /* target type is not used through this field */ |
e2500fed | 1589 | else |
9771b263 DN |
1590 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL, |
1591 | allow_undefined_field_types); | |
e2500fed GK |
1592 | } |
1593 | break; | |
1594 | } | |
1595 | ||
9771b263 DN |
1596 | case TYPE_UNDEFINED: |
1597 | if (level > GC_UNUSED) | |
1598 | { | |
1599 | if (!allow_undefined_types) | |
1600 | error_at_line (&t->u.s.line, "undefined type `%s'", t->u.s.tag); | |
1601 | t->gc_used = GC_UNUSED; | |
1602 | } | |
1603 | break; | |
1604 | ||
e2500fed | 1605 | case TYPE_POINTER: |
36a5eadd | 1606 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
e2500fed GK |
1607 | break; |
1608 | ||
1609 | case TYPE_ARRAY: | |
36a5eadd | 1610 | set_gc_used_type (t->u.a.p, GC_USED, param); |
e2500fed | 1611 | break; |
3d7aafde | 1612 | |
e2500fed GK |
1613 | case TYPE_LANG_STRUCT: |
1614 | for (t = t->u.s.lang_struct; t; t = t->next) | |
36a5eadd | 1615 | set_gc_used_type (t, level, param); |
e2500fed GK |
1616 | break; |
1617 | ||
1618 | case TYPE_PARAM_STRUCT: | |
36a5eadd GK |
1619 | { |
1620 | int i; | |
1621 | for (i = 0; i < NUM_PARAM; i++) | |
1622 | if (t->u.param_struct.param[i] != 0) | |
1623 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
1624 | } | |
1625 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
1626 | level = GC_POINTED_TO; | |
1627 | else | |
1628 | level = GC_USED; | |
1629 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
3d7aafde | 1630 | set_gc_used_type (t->u.param_struct.stru, level, |
36a5eadd | 1631 | t->u.param_struct.param); |
e2500fed GK |
1632 | break; |
1633 | ||
1634 | default: | |
1635 | break; | |
1636 | } | |
1637 | } | |
1638 | ||
36a5eadd | 1639 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
9f313342 | 1640 | |
e2500fed | 1641 | static void |
3d7aafde | 1642 | set_gc_used (pair_p variables) |
e2500fed | 1643 | { |
1d32bbcd | 1644 | int nbvars = 0; |
e2500fed GK |
1645 | pair_p p; |
1646 | for (p = variables; p; p = p->next) | |
1d32bbcd BS |
1647 | { |
1648 | set_gc_used_type (p->type, GC_USED, NULL); | |
1649 | nbvars++; | |
1650 | }; | |
1651 | if (verbosity_level >= 2) | |
1652 | printf ("%s used %d GTY-ed variables\n", progname, nbvars); | |
e2500fed GK |
1653 | } |
1654 | \f | |
1655 | /* File mapping routines. For each input file, there is one output .c file | |
1656 | (but some output files have many input files), and there is one .h file | |
1657 | for the whole build. */ | |
1658 | ||
065ae611 | 1659 | /* Output file handling. */ |
e2500fed | 1660 | |
e03856fe GK |
1661 | /* Create and return an outf_p for a new file for NAME, to be called |
1662 | ONAME. */ | |
9f313342 | 1663 | |
e03856fe | 1664 | static outf_p |
3d7aafde | 1665 | create_file (const char *name, const char *oname) |
e2500fed GK |
1666 | { |
1667 | static const char *const hdr[] = { | |
d1e082c2 | 1668 | " Copyright (C) 2004-2013 Free Software Foundation, Inc.\n", |
e2500fed GK |
1669 | "\n", |
1670 | "This file is part of GCC.\n", | |
1671 | "\n", | |
1672 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1673 | "the terms of the GNU General Public License as published by the Free\n", | |
9dcd6f09 | 1674 | "Software Foundation; either version 3, or (at your option) any later\n", |
e2500fed GK |
1675 | "version.\n", |
1676 | "\n", | |
1677 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1678 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1679 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1680 | "for more details.\n", | |
1681 | "\n", | |
1682 | "You should have received a copy of the GNU General Public License\n", | |
9dcd6f09 NC |
1683 | "along with GCC; see the file COPYING3. If not see\n", |
1684 | "<http://www.gnu.org/licenses/>. */\n", | |
e2500fed GK |
1685 | "\n", |
1686 | "/* This file is machine generated. Do not edit. */\n" | |
1687 | }; | |
e03856fe | 1688 | outf_p f; |
e2500fed | 1689 | size_t i; |
3d7aafde | 1690 | |
bd117bb6 BS |
1691 | gcc_assert (name != NULL); |
1692 | gcc_assert (oname != NULL); | |
5d038c4c | 1693 | f = XCNEW (struct outf); |
e03856fe GK |
1694 | f->next = output_files; |
1695 | f->name = oname; | |
1696 | output_files = f; | |
1697 | ||
1698 | oprintf (f, "/* Type information for %s.\n", name); | |
62c71f4b | 1699 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
e03856fe | 1700 | oprintf (f, "%s", hdr[i]); |
e2500fed GK |
1701 | return f; |
1702 | } | |
1703 | ||
b8698a0f | 1704 | /* Print, like fprintf, to O. |
311e3ff0 ZW |
1705 | N.B. You might think this could be implemented more efficiently |
1706 | with vsnprintf(). Unfortunately, there are C libraries that | |
1707 | provide that function but without the C99 semantics for its return | |
1708 | value, making it impossible to know how much space is required. */ | |
3d7aafde | 1709 | void |
e34d07f2 | 1710 | oprintf (outf_p o, const char *format, ...) |
e03856fe | 1711 | { |
311e3ff0 | 1712 | char *s; |
e03856fe | 1713 | size_t slength; |
311e3ff0 | 1714 | va_list ap; |
3d7aafde | 1715 | |
bd117bb6 BS |
1716 | /* In plugin mode, the O could be a NULL pointer, so avoid crashing |
1717 | in that case. */ | |
b8698a0f | 1718 | if (!o) |
bd117bb6 BS |
1719 | return; |
1720 | ||
311e3ff0 ZW |
1721 | va_start (ap, format); |
1722 | slength = vasprintf (&s, format, ap); | |
e1b793e7 | 1723 | if (s == NULL || (int) slength < 0) |
311e3ff0 ZW |
1724 | fatal ("out of memory"); |
1725 | va_end (ap); | |
e03856fe | 1726 | |
311e3ff0 | 1727 | if (o->bufused + slength > o->buflength) |
e03856fe GK |
1728 | { |
1729 | size_t new_len = o->buflength; | |
1730 | if (new_len == 0) | |
1731 | new_len = 1024; | |
e1b793e7 BS |
1732 | do |
1733 | { | |
1734 | new_len *= 2; | |
1735 | } | |
1736 | while (o->bufused + slength >= new_len); | |
cca8ead2 | 1737 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
e03856fe GK |
1738 | o->buflength = new_len; |
1739 | } | |
311e3ff0 | 1740 | memcpy (o->buf + o->bufused, s, slength); |
e03856fe | 1741 | o->bufused += slength; |
311e3ff0 | 1742 | free (s); |
e03856fe GK |
1743 | } |
1744 | ||
9f313342 GK |
1745 | /* Open the global header file and the language-specific header files. */ |
1746 | ||
e2500fed | 1747 | static void |
3d7aafde | 1748 | open_base_files (void) |
e2500fed GK |
1749 | { |
1750 | size_t i; | |
3d7aafde | 1751 | |
bd117bb6 BS |
1752 | if (nb_plugin_files > 0 && plugin_files) |
1753 | return; | |
1754 | ||
e03856fe | 1755 | header_file = create_file ("GCC", "gtype-desc.h"); |
e2500fed | 1756 | |
11a67599 ZW |
1757 | base_files = XNEWVEC (outf_p, num_lang_dirs); |
1758 | ||
1759 | for (i = 0; i < num_lang_dirs; i++) | |
3d7aafde | 1760 | base_files[i] = create_file (lang_dir_names[i], |
8ac9d31f | 1761 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
e03856fe GK |
1762 | |
1763 | /* gtype-desc.c is a little special, so we create it here. */ | |
1764 | { | |
1765 | /* The order of files here matters very much. */ | |
e1b793e7 | 1766 | static const char *const ifiles[] = { |
b6feb796 | 1767 | "config.h", "system.h", "coretypes.h", "tm.h", |
e1b793e7 | 1768 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
7932a3db NS |
1769 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", |
1770 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1771 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
2fb9a547 AM |
1772 | "pointer-set.h", "hash-table.h", "vec.h", "ggc.h", "basic-block.h", |
1773 | "tree-ssa-alias.h", "internal-fn.h", "gimple-fold.h", "tree-eh.h", | |
1774 | "gimple-expr.h", "is-a.h", | |
5be5c238 | 1775 | "gimple.h", "gimple-iterator.h", "gimple-ssa.h", "tree-cfg.h", |
d8a2d370 | 1776 | "tree-phinodes.h", "ssa-iterators.h", "stringpool.h", "tree-ssanames.h", |
5be5c238 | 1777 | "tree-ssa-loop.h", "tree-ssa-loop-ivopts.h", "tree-ssa-loop-manip.h", |
e28030cf | 1778 | "tree-ssa-loop-niter.h", "tree-into-ssa.h", "tree-dfa.h", |
7a300452 | 1779 | "tree-ssa.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", |
442b4905 | 1780 | "except.h", "output.h", "cfgloop.h", |
632b4f8e | 1781 | "target.h", "ipa-prop.h", "lto-streamer.h", "target-globals.h", |
6cd4d135 | 1782 | "ipa-inline.h", "dwarf2out.h", NULL |
e03856fe GK |
1783 | }; |
1784 | const char *const *ifp; | |
1785 | outf_p gtype_desc_c; | |
3d7aafde | 1786 | |
e03856fe GK |
1787 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1788 | for (ifp = ifiles; *ifp; ifp++) | |
1789 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
5576d6f2 TT |
1790 | |
1791 | /* Make sure we handle "cfun" specially. */ | |
1792 | oprintf (gtype_desc_c, "\n/* See definition in function.h. */\n"); | |
1793 | oprintf (gtype_desc_c, "#undef cfun\n"); | |
c74f54a0 DM |
1794 | |
1795 | oprintf (gtype_desc_c, | |
1796 | "\n" | |
1797 | "/* Types with a \"gcc::\" namespace have it stripped\n" | |
1798 | " during gengtype parsing. Provide a \"using\" directive\n" | |
1799 | " to ensure that the fully-qualified types are found. */\n" | |
1800 | "using namespace gcc;\n"); | |
e03856fe | 1801 | } |
e2500fed GK |
1802 | } |
1803 | ||
14c4815e BS |
1804 | /* For INPF an input file, return the real basename of INPF, with all |
1805 | the directory components skipped. */ | |
8de8de02 OH |
1806 | |
1807 | static const char * | |
14c4815e | 1808 | get_file_realbasename (const input_file *inpf) |
8de8de02 | 1809 | { |
ba78087b | 1810 | return lbasename (get_input_file_name (inpf)); |
8de8de02 OH |
1811 | } |
1812 | ||
14c4815e BS |
1813 | /* For INPF a filename, return the relative path to INPF from |
1814 | $(srcdir) if the latter is a prefix in INPF, NULL otherwise. */ | |
8de8de02 | 1815 | |
14c4815e BS |
1816 | const char * |
1817 | get_file_srcdir_relative_path (const input_file *inpf) | |
8de8de02 | 1818 | { |
14c4815e | 1819 | const char *f = get_input_file_name (inpf); |
8de8de02 OH |
1820 | if (strlen (f) > srcdir_len |
1821 | && IS_DIR_SEPARATOR (f[srcdir_len]) | |
14c4815e | 1822 | && strncmp (f, srcdir, srcdir_len) == 0) |
8de8de02 OH |
1823 | return f + srcdir_len + 1; |
1824 | else | |
1825 | return NULL; | |
1826 | } | |
1827 | ||
14c4815e BS |
1828 | /* For INPF an input_file, return the relative path to INPF from |
1829 | $(srcdir) if the latter is a prefix in INPF, or the real basename | |
1830 | of INPF otherwise. */ | |
9f313342 | 1831 | |
e2500fed | 1832 | static const char * |
14c4815e | 1833 | get_file_basename (const input_file *inpf) |
e2500fed | 1834 | { |
14c4815e | 1835 | const char *srcdir_path = get_file_srcdir_relative_path (inpf); |
3d7aafde | 1836 | |
14c4815e | 1837 | return (srcdir_path != NULL) ? srcdir_path : get_file_realbasename (inpf); |
8de8de02 | 1838 | } |
3d7aafde | 1839 | |
8de8de02 OH |
1840 | /* For F a filename, return the lang_dir_names relative index of the language |
1841 | directory that is a prefix in F, if any, -1 otherwise. */ | |
3d7aafde | 1842 | |
8de8de02 OH |
1843 | static int |
1844 | get_prefix_langdir_index (const char *f) | |
1845 | { | |
1846 | size_t f_len = strlen (f); | |
1847 | size_t lang_index; | |
3d7aafde | 1848 | |
8de8de02 | 1849 | for (lang_index = 0; lang_index < num_lang_dirs; lang_index++) |
8ac9d31f | 1850 | { |
e1b793e7 | 1851 | const char *langdir = lang_dir_names[lang_index]; |
8de8de02 | 1852 | size_t langdir_len = strlen (langdir); |
b8698a0f | 1853 | |
8de8de02 OH |
1854 | if (f_len > langdir_len |
1855 | && IS_DIR_SEPARATOR (f[langdir_len]) | |
1856 | && memcmp (f, langdir, langdir_len) == 0) | |
1857 | return lang_index; | |
8ac9d31f | 1858 | } |
3d7aafde | 1859 | |
8de8de02 OH |
1860 | return -1; |
1861 | } | |
1862 | ||
14c4815e BS |
1863 | /* For INPF an input file, return the name of language directory where |
1864 | F is located, if any, NULL otherwise. */ | |
8de8de02 OH |
1865 | |
1866 | static const char * | |
14c4815e | 1867 | get_file_langdir (const input_file *inpf) |
8de8de02 | 1868 | { |
14c4815e BS |
1869 | /* Get the relative path to INPF from $(srcdir) and find the |
1870 | language by comparing the prefix with language directory names. | |
1871 | If INPF is not even srcdir relative, no point in looking | |
1872 | further. */ | |
8de8de02 OH |
1873 | |
1874 | int lang_index; | |
14c4815e | 1875 | const char *srcdir_relative_path = get_file_srcdir_relative_path (inpf); |
e1b793e7 | 1876 | const char *r; |
8de8de02 OH |
1877 | |
1878 | if (!srcdir_relative_path) | |
1879 | return NULL; | |
1880 | ||
1881 | lang_index = get_prefix_langdir_index (srcdir_relative_path); | |
e1b793e7 | 1882 | if (lang_index < 0 && strncmp (srcdir_relative_path, "c-family", 8) == 0) |
39dabefd SB |
1883 | r = "c-family"; |
1884 | else if (lang_index >= 0) | |
e1b793e7 | 1885 | r = lang_dir_names[lang_index]; |
39dabefd SB |
1886 | else |
1887 | r = NULL; | |
8de8de02 | 1888 | |
39dabefd | 1889 | return r; |
8de8de02 OH |
1890 | } |
1891 | ||
14c4815e | 1892 | /* The gt- output file name for INPF. */ |
8de8de02 OH |
1893 | |
1894 | static const char * | |
14c4815e | 1895 | get_file_gtfilename (const input_file *inpf) |
8de8de02 OH |
1896 | { |
1897 | /* Cook up an initial version of the gt- file name from the file real | |
1898 | basename and the language name, if any. */ | |
1899 | ||
14c4815e BS |
1900 | const char *basename = get_file_realbasename (inpf); |
1901 | const char *langdir = get_file_langdir (inpf); | |
b8698a0f | 1902 | |
e1b793e7 | 1903 | char *result = |
8de8de02 OH |
1904 | (langdir ? xasprintf ("gt-%s-%s", langdir, basename) |
1905 | : xasprintf ("gt-%s", basename)); | |
1906 | ||
1907 | /* Then replace all non alphanumerics characters by '-' and change the | |
0277fabf | 1908 | extension to ".h". We expect the input filename extension was at least |
8de8de02 OH |
1909 | one character long. */ |
1910 | ||
1911 | char *s = result; | |
1912 | ||
1913 | for (; *s != '.'; s++) | |
e1b793e7 | 1914 | if (!ISALNUM (*s) && *s != '-') |
8de8de02 OH |
1915 | *s = '-'; |
1916 | ||
1917 | memcpy (s, ".h", sizeof (".h")); | |
1918 | ||
1919 | return result; | |
e2500fed GK |
1920 | } |
1921 | ||
81ae7e14 JS |
1922 | /* Each input_file has its associated output file outf_p. The |
1923 | association is computed by the function | |
1924 | get_output_file_with_visibility. The associated file is cached | |
1925 | inside input_file in its inpoutf field, so is really computed only | |
1926 | once. Associated output file paths (i.e. output_name-s) are | |
1927 | computed by a rule based regexp machinery, using the files_rules | |
1928 | array of struct file_rule_st. A for_name is also computed, giving | |
1929 | the source file name for which the output_file is generated; it is | |
1930 | often the last component of the input_file path. */ | |
1931 | ||
1932 | ||
1933 | /* | |
1934 | Regexpr machinery to compute the output_name and for_name-s of each | |
1935 | input_file. We have a sequence of file rules which gives the POSIX | |
1936 | extended regular expression to match an input file path, and two | |
1937 | transformed strings for the corresponding output_name and the | |
1938 | corresponding for_name. The transformed string contain dollars: $0 | |
1939 | is replaced by the entire match, $1 is replaced by the substring | |
1940 | matching the first parenthesis in the regexp, etc. And $$ is replaced | |
1941 | by a single verbatim dollar. The rule order is important. The | |
1942 | general case is last, and the particular cases should come before. | |
1943 | An action routine can, when needed, update the out_name & for_name | |
1944 | and/or return the appropriate output file. It is invoked only when a | |
1945 | rule is triggered. When a rule is triggered, the output_name and | |
1946 | for_name are computed using their transform string in while $$, $0, | |
1947 | $1, ... are suitably replaced. If there is an action, it is called. | |
1948 | In some few cases, the action can directly return the outf_p, but | |
1949 | usually it just updates the output_name and for_name so should free | |
1950 | them before replacing them. The get_output_file_with_visibility | |
1951 | function creates an outf_p only once per each output_name, so it | |
1952 | scans the output_files list for previously seen output file names. | |
1953 | */ | |
1954 | ||
1955 | /* Signature of actions in file rules. */ | |
1956 | typedef outf_p (frul_actionrout_t) (input_file*, char**, char**); | |
1957 | ||
1958 | ||
1959 | struct file_rule_st { | |
1960 | const char* frul_srcexpr; /* Source string for regexp. */ | |
1961 | int frul_rflags; /* Flags passed to regcomp, usually | |
1962 | * REG_EXTENDED. */ | |
1963 | regex_t* frul_re; /* Compiled regular expression | |
1964 | obtained by regcomp. */ | |
1965 | const char* frul_tr_out; /* Transformation string for making | |
1966 | * the output_name, with $1 ... $9 for | |
1967 | * subpatterns and $0 for the whole | |
1968 | * matched filename. */ | |
1969 | const char* frul_tr_for; /* Tranformation string for making the | |
1970 | for_name. */ | |
1971 | frul_actionrout_t* frul_action; /* The action, if non null, is | |
1972 | * called once the rule matches, on | |
1973 | * the transformed out_name & | |
1974 | * for_name. It could change them | |
1975 | * and/or give the output file. */ | |
1976 | }; | |
1977 | ||
1978 | /* File rule action handling *.h files. */ | |
1979 | static outf_p header_dot_h_frul (input_file*, char**, char**); | |
1980 | ||
1981 | /* File rule action handling *.c files. */ | |
1982 | static outf_p source_dot_c_frul (input_file*, char**, char**); | |
1983 | ||
1984 | #define NULL_REGEX (regex_t*)0 | |
1985 | ||
1986 | /* The prefix in our regexp-s matching the directory. */ | |
1987 | #define DIR_PREFIX_REGEX "^(([^/]*/)*)" | |
1988 | ||
1989 | #define NULL_FRULACT (frul_actionrout_t*)0 | |
1990 | ||
1991 | /* The array of our rules governing file name generation. Rules order | |
1992 | matters, so change with extreme care! */ | |
1993 | ||
1994 | struct file_rule_st files_rules[] = { | |
7e84ad0b NP |
1995 | /* The general rule assumes that files in subdirectories belong to a |
1996 | particular front-end, and files not in subdirectories are shared. | |
1997 | The following rules deal with exceptions - files that are in | |
1998 | subdirectories and yet are shared, and files that are top-level, | |
1999 | but are not shared. */ | |
2000 | ||
81ae7e14 JS |
2001 | /* the c-family/ source directory is special. */ |
2002 | { DIR_PREFIX_REGEX "c-family/([[:alnum:]_-]*)\\.c$", | |
2003 | REG_EXTENDED, NULL_REGEX, | |
2004 | "gt-c-family-$3.h", "c-family/$3.c", NULL_FRULACT}, | |
2005 | ||
2006 | { DIR_PREFIX_REGEX "c-family/([[:alnum:]_-]*)\\.h$", | |
2007 | REG_EXTENDED, NULL_REGEX, | |
2008 | "gt-c-family-$3.h", "c-family/$3.h", NULL_FRULACT}, | |
2009 | ||
d4a10d0a SB |
2010 | /* Both c-lang.h & c-tree.h gives gt-c-c-decl.h for c-decl.c ! */ |
2011 | { DIR_PREFIX_REGEX "c/c-lang\\.h$", | |
2012 | REG_EXTENDED, NULL_REGEX, "gt-c-c-decl.h", "c/c-decl.c", NULL_FRULACT}, | |
81ae7e14 | 2013 | |
d4a10d0a SB |
2014 | { DIR_PREFIX_REGEX "c/c-tree\\.h$", |
2015 | REG_EXTENDED, NULL_REGEX, "gt-c-c-decl.h", "c/c-decl.c", NULL_FRULACT}, | |
81ae7e14 JS |
2016 | |
2017 | /* cp/cp-tree.h gives gt-cp-tree.h for cp/tree.c ! */ | |
2018 | { DIR_PREFIX_REGEX "cp/cp-tree\\.h$", | |
2019 | REG_EXTENDED, NULL_REGEX, | |
2020 | "gt-cp-tree.h", "cp/tree.c", NULL_FRULACT }, | |
2021 | ||
2022 | /* cp/decl.h & cp/decl.c gives gt-cp-decl.h for cp/decl.c ! */ | |
2023 | { DIR_PREFIX_REGEX "cp/decl\\.[ch]$", | |
2024 | REG_EXTENDED, NULL_REGEX, | |
2025 | "gt-cp-decl.h", "cp/decl.c", NULL_FRULACT }, | |
2026 | ||
2027 | /* cp/name-lookup.h gives gt-cp-name-lookup.h for cp/name-lookup.c ! */ | |
2028 | { DIR_PREFIX_REGEX "cp/name-lookup\\.h$", | |
2029 | REG_EXTENDED, NULL_REGEX, | |
2030 | "gt-cp-name-lookup.h", "cp/name-lookup.c", NULL_FRULACT }, | |
2031 | ||
7e84ad0b NP |
2032 | /* cp/parser.h gives gt-cp-parser.h for cp/parser.c ! */ |
2033 | { DIR_PREFIX_REGEX "cp/parser\\.h$", | |
2034 | REG_EXTENDED, NULL_REGEX, | |
2035 | "gt-cp-parser.h", "cp/parser.c", NULL_FRULACT }, | |
2036 | ||
2037 | /* objc/objc-act.h gives gt-objc-objc-act.h for objc/objc-act.c ! */ | |
81ae7e14 JS |
2038 | { DIR_PREFIX_REGEX "objc/objc-act\\.h$", |
2039 | REG_EXTENDED, NULL_REGEX, | |
2040 | "gt-objc-objc-act.h", "objc/objc-act.c", NULL_FRULACT }, | |
2041 | ||
3cc2dd4b NP |
2042 | /* objc/objc-map.h gives gt-objc-objc-map.h for objc/objc-map.c ! */ |
2043 | { DIR_PREFIX_REGEX "objc/objc-map\\.h$", | |
2044 | REG_EXTENDED, NULL_REGEX, | |
2045 | "gt-objc-objc-map.h", "objc/objc-map.c", NULL_FRULACT }, | |
2046 | ||
0078f462 BS |
2047 | /* General cases. For header *.h and source *.c or *.cc files, we |
2048 | * need special actions to handle the language. */ | |
81ae7e14 JS |
2049 | |
2050 | /* Source *.c files are using get_file_gtfilename to compute their | |
2051 | output_name and get_file_basename to compute their for_name | |
073a8998 | 2052 | through the source_dot_c_frul action. */ |
81ae7e14 JS |
2053 | { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.c$", |
2054 | REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.c", source_dot_c_frul}, | |
0078f462 BS |
2055 | |
2056 | /* Source *.cc files are using get_file_gtfilename to compute their | |
2057 | output_name and get_file_basename to compute their for_name | |
2058 | through the source_dot_c_frul action. */ | |
2059 | { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.cc$", | |
2060 | REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.cc", source_dot_c_frul}, | |
2061 | ||
81ae7e14 JS |
2062 | /* Common header files get "gtype-desc.c" as their output_name, |
2063 | * while language specific header files are handled specially. So | |
2064 | * we need the header_dot_h_frul action. */ | |
2065 | { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.h$", | |
2066 | REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.h", header_dot_h_frul}, | |
2067 | ||
2068 | { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.in$", | |
2069 | REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.in", NULL_FRULACT}, | |
2070 | ||
2071 | /* Mandatory null last entry signaling end of rules. */ | |
2072 | {NULL, 0, NULL_REGEX, NULL, NULL, NULL_FRULACT} | |
2073 | }; | |
2074 | ||
2075 | /* Special file rules action for handling *.h header files. It gives | |
2076 | "gtype-desc.c" for common headers and corresponding output | |
2077 | files for language-specific header files. */ | |
2078 | static outf_p | |
87e0555a L |
2079 | header_dot_h_frul (input_file* inpf, char**poutname, |
2080 | char**pforname ATTRIBUTE_UNUSED) | |
81ae7e14 JS |
2081 | { |
2082 | const char *basename = 0; | |
2083 | int lang_index = 0; | |
81ae7e14 | 2084 | DBGPRINTF ("inpf %p inpname %s outname %s forname %s", |
fd1e183c BS |
2085 | (void*) inpf, get_input_file_name (inpf), |
2086 | *poutname, *pforname); | |
81ae7e14 JS |
2087 | basename = get_file_basename (inpf); |
2088 | lang_index = get_prefix_langdir_index (basename); | |
2089 | DBGPRINTF ("basename %s lang_index %d", basename, lang_index); | |
2090 | ||
2091 | if (lang_index >= 0) | |
2092 | { | |
2093 | /* The header is language specific. Given output_name & | |
2094 | for_name remains unchanged. The base_files array gives the | |
2095 | outf_p. */ | |
2096 | DBGPRINTF ("header_dot_h found language specific @ %p '%s'", | |
2097 | (void*) base_files[lang_index], | |
2098 | (base_files[lang_index])->name); | |
2099 | return base_files[lang_index]; | |
2100 | } | |
2101 | else | |
2102 | { | |
2103 | /* The header is common to all front-end languages. So | |
2104 | output_name is "gtype-desc.c" file. The calling function | |
2105 | get_output_file_with_visibility will find its outf_p. */ | |
2106 | free (*poutname); | |
2107 | *poutname = xstrdup ("gtype-desc.c"); | |
fd1e183c BS |
2108 | DBGPRINTF ("special 'gtype-desc.c' for inpname %s", |
2109 | get_input_file_name (inpf)); | |
81ae7e14 JS |
2110 | return NULL; |
2111 | } | |
2112 | } | |
2113 | ||
2114 | ||
2115 | /* Special file rules action for handling *.c source files using | |
2116 | * get_file_gtfilename to compute their output_name and | |
2117 | * get_file_basename to compute their for_name. The output_name is | |
2118 | * gt-<LANG>-<BASE>.h for language specific source files, and | |
2119 | * gt-<BASE>.h for common source files. */ | |
2120 | static outf_p | |
2121 | source_dot_c_frul (input_file* inpf, char**poutname, char**pforname) | |
2122 | { | |
2123 | char *newbasename = CONST_CAST (char*, get_file_basename (inpf)); | |
2124 | char *newoutname = CONST_CAST (char*, get_file_gtfilename (inpf)); | |
81ae7e14 | 2125 | DBGPRINTF ("inpf %p inpname %s original outname %s forname %s", |
fd1e183c BS |
2126 | (void*) inpf, get_input_file_name (inpf), |
2127 | *poutname, *pforname); | |
81ae7e14 JS |
2128 | DBGPRINTF ("newoutname %s", newoutname); |
2129 | DBGPRINTF ("newbasename %s", newbasename); | |
2130 | free (*poutname); | |
2131 | free (*pforname); | |
2132 | *poutname = newoutname; | |
2133 | *pforname = newbasename; | |
2134 | return NULL; | |
2135 | } | |
2136 | ||
2137 | /* Utility function for get_output_file_with_visibility which returns | |
2138 | * a malloc-ed substituted string using TRS on matching of the FILNAM | |
2139 | * file name, using the PMATCH array. */ | |
2140 | static char* | |
2141 | matching_file_name_substitute (const char *filnam, regmatch_t pmatch[10], | |
2142 | const char *trs) | |
2143 | { | |
2144 | struct obstack str_obstack; | |
2145 | char *str = NULL; | |
2146 | char *rawstr = NULL; | |
2147 | const char *pt = NULL; | |
2148 | DBGPRINTF ("filnam %s", filnam); | |
2149 | obstack_init (&str_obstack); | |
2150 | for (pt = trs; *pt; pt++) { | |
2151 | char c = *pt; | |
2152 | if (c == '$') | |
2153 | { | |
2154 | if (pt[1] == '$') | |
2155 | { | |
2156 | /* A double dollar $$ is substituted by a single verbatim | |
2157 | dollar, but who really uses dollar signs in file | |
2158 | paths? */ | |
2159 | obstack_1grow (&str_obstack, '$'); | |
2160 | } | |
2161 | else if (ISDIGIT (pt[1])) | |
2162 | { | |
2163 | /* Handle $0 $1 ... $9 by appropriate substitution. */ | |
2164 | int dolnum = pt[1] - '0'; | |
2165 | int so = pmatch[dolnum].rm_so; | |
2166 | int eo = pmatch[dolnum].rm_eo; | |
2167 | DBGPRINTF ("so=%d eo=%d dolnum=%d", so, eo, dolnum); | |
2168 | if (so>=0 && eo>=so) | |
2169 | obstack_grow (&str_obstack, filnam + so, eo - so); | |
2170 | } | |
2171 | else | |
2172 | { | |
2173 | /* This can happen only when files_rules is buggy! */ | |
c3284718 | 2174 | gcc_unreachable (); |
81ae7e14 JS |
2175 | } |
2176 | /* Always skip the character after the dollar. */ | |
2177 | pt++; | |
2178 | } | |
2179 | else | |
2180 | obstack_1grow (&str_obstack, c); | |
2181 | } | |
2182 | obstack_1grow (&str_obstack, '\0'); | |
2183 | rawstr = XOBFINISH (&str_obstack, char *); | |
2184 | str = xstrdup (rawstr); | |
23756963 | 2185 | obstack_free (&str_obstack, NULL); |
81ae7e14 JS |
2186 | DBGPRINTF ("matched replacement %s", str); |
2187 | rawstr = NULL; | |
2188 | return str; | |
2189 | } | |
2190 | ||
2191 | ||
9f313342 | 2192 | /* An output file, suitable for definitions, that can see declarations |
14c4815e | 2193 | made in INPF and is linked into every language that uses INPF. |
dd5a833e | 2194 | Since the result is cached inside INPF, that argument cannot be |
14c4815e | 2195 | declared constant, but is "almost" constant. */ |
9f313342 | 2196 | |
e03856fe | 2197 | outf_p |
14c4815e | 2198 | get_output_file_with_visibility (input_file *inpf) |
e2500fed | 2199 | { |
e03856fe | 2200 | outf_p r; |
81ae7e14 JS |
2201 | char *for_name = NULL; |
2202 | char *output_name = NULL; | |
2203 | const char* inpfname; | |
e2500fed | 2204 | |
e03856fe GK |
2205 | /* This can happen when we need a file with visibility on a |
2206 | structure that we've never seen. We have to just hope that it's | |
2207 | globally visible. */ | |
14c4815e BS |
2208 | if (inpf == NULL) |
2209 | inpf = system_h_file; | |
e2500fed | 2210 | |
81ae7e14 JS |
2211 | /* The result is cached in INPF, so return it if already known. */ |
2212 | if (inpf->inpoutf) | |
2213 | return inpf->inpoutf; | |
2214 | ||
bd117bb6 BS |
2215 | /* In plugin mode, return NULL unless the input_file is one of the |
2216 | plugin_files. */ | |
9b39cba9 BS |
2217 | if (plugin_files) |
2218 | { | |
9f78bf05 | 2219 | size_t i; |
9b39cba9 | 2220 | for (i = 0; i < nb_plugin_files; i++) |
81ae7e14 JS |
2221 | if (inpf == plugin_files[i]) |
2222 | { | |
2223 | inpf->inpoutf = plugin_output; | |
2224 | return plugin_output; | |
2225 | } | |
9b39cba9 BS |
2226 | |
2227 | return NULL; | |
bd117bb6 BS |
2228 | } |
2229 | ||
81ae7e14 | 2230 | inpfname = get_input_file_name (inpf); |
e2500fed | 2231 | |
81ae7e14 JS |
2232 | /* Try each rule in sequence in files_rules until one is triggered. */ |
2233 | { | |
2234 | int rulix = 0; | |
073a8998 | 2235 | DBGPRINTF ("passing input file @ %p named %s through the files_rules", |
81ae7e14 JS |
2236 | (void*) inpf, inpfname); |
2237 | ||
2238 | for (; files_rules[rulix].frul_srcexpr != NULL; rulix++) | |
2239 | { | |
2240 | DBGPRINTF ("rulix#%d srcexpr %s", | |
2241 | rulix, files_rules[rulix].frul_srcexpr); | |
2242 | ||
2243 | if (!files_rules[rulix].frul_re) | |
2244 | { | |
2245 | /* Compile the regexpr lazily. */ | |
2246 | int err = 0; | |
2247 | files_rules[rulix].frul_re = XCNEW (regex_t); | |
2248 | err = regcomp (files_rules[rulix].frul_re, | |
2249 | files_rules[rulix].frul_srcexpr, | |
2250 | files_rules[rulix].frul_rflags); | |
2251 | if (err) | |
2252 | { | |
2253 | /* The regular expression compilation fails only when | |
2254 | file_rules is buggy. */ | |
2255 | gcc_unreachable (); | |
2256 | } | |
2257 | } | |
3d7aafde | 2258 | |
81ae7e14 JS |
2259 | output_name = NULL; |
2260 | for_name = NULL; | |
e03856fe | 2261 | |
81ae7e14 JS |
2262 | /* Match the regexpr and trigger the rule if matched. */ |
2263 | { | |
2264 | /* We have exactly ten pmatch-s, one for each $0, $1, $2, | |
2265 | $3, ... $9. */ | |
2266 | regmatch_t pmatch[10]; | |
2267 | memset (pmatch, 0, sizeof (pmatch)); | |
2268 | if (!regexec (files_rules[rulix].frul_re, | |
2269 | inpfname, 10, pmatch, 0)) | |
2270 | { | |
2271 | DBGPRINTF ("input @ %p filename %s matched rulix#%d pattern %s", | |
2272 | (void*) inpf, inpfname, rulix, | |
2273 | files_rules[rulix].frul_srcexpr); | |
2274 | for_name = | |
2275 | matching_file_name_substitute (inpfname, pmatch, | |
2276 | files_rules[rulix].frul_tr_for); | |
2277 | DBGPRINTF ("for_name %s", for_name); | |
2278 | output_name = | |
2279 | matching_file_name_substitute (inpfname, pmatch, | |
2280 | files_rules[rulix].frul_tr_out); | |
2281 | DBGPRINTF ("output_name %s", output_name); | |
2282 | if (files_rules[rulix].frul_action) | |
2283 | { | |
2284 | /* Invoke our action routine. */ | |
2285 | outf_p of = NULL; | |
2286 | DBGPRINTF ("before action rulix#%d output_name %s for_name %s", | |
2287 | rulix, output_name, for_name); | |
2288 | of = | |
2289 | (files_rules[rulix].frul_action) (inpf, | |
2290 | &output_name, &for_name); | |
2291 | DBGPRINTF ("after action rulix#%d of=%p output_name %s for_name %s", | |
2292 | rulix, (void*)of, output_name, for_name); | |
2293 | /* If the action routine returned something, give it back | |
2294 | immediately and cache it in inpf. */ | |
2295 | if (of) | |
2296 | { | |
2297 | inpf->inpoutf = of; | |
2298 | return of; | |
2299 | } | |
2300 | } | |
2301 | /* The rule matched, and had no action, or that action did | |
2302 | not return any output file but could have changed the | |
2303 | output_name or for_name. We break out of the loop on the | |
2304 | files_rules. */ | |
2305 | break; | |
2306 | } | |
2307 | else | |
2308 | { | |
2309 | /* The regexpr did not match. */ | |
2310 | DBGPRINTF ("rulix#%d did not match %s pattern %s", | |
2311 | rulix, inpfname, files_rules[rulix].frul_srcexpr); | |
2312 | continue; | |
2313 | } | |
2314 | } | |
2315 | } | |
2316 | } | |
2317 | if (!output_name || !for_name) | |
2318 | { | |
0078f462 BS |
2319 | /* This should not be possible, and could only happen if the |
2320 | files_rules is incomplete or buggy. */ | |
2321 | fatal ("failed to compute output name for %s", inpfname); | |
e2500fed GK |
2322 | } |
2323 | ||
81ae7e14 JS |
2324 | /* Look through to see if we've ever seen this output filename |
2325 | before. If found, cache the result in inpf. */ | |
e03856fe | 2326 | for (r = output_files; r; r = r->next) |
ba78087b | 2327 | if (filename_cmp (r->name, output_name) == 0) |
81ae7e14 JS |
2328 | { |
2329 | inpf->inpoutf = r; | |
2330 | DBGPRINTF ("found r @ %p for output_name %s for_name %s", (void*)r, | |
2331 | output_name, for_name); | |
2332 | return r; | |
2333 | } | |
e2500fed | 2334 | |
81ae7e14 | 2335 | /* If not found, create it, and cache it in inpf. */ |
e03856fe | 2336 | r = create_file (for_name, output_name); |
e2500fed | 2337 | |
bd117bb6 | 2338 | gcc_assert (r && r->name); |
81ae7e14 JS |
2339 | DBGPRINTF ("created r @ %p for output_name %s for_name %s", (void*) r, |
2340 | output_name, for_name); | |
2341 | inpf->inpoutf = r; | |
e03856fe | 2342 | return r; |
81ae7e14 JS |
2343 | |
2344 | ||
e2500fed GK |
2345 | } |
2346 | ||
9f313342 | 2347 | /* The name of an output file, suitable for definitions, that can see |
14c4815e BS |
2348 | declarations made in INPF and is linked into every language that |
2349 | uses INPF. */ | |
9f313342 | 2350 | |
e2500fed | 2351 | const char * |
14c4815e | 2352 | get_output_file_name (input_file* inpf) |
e2500fed | 2353 | { |
14c4815e | 2354 | outf_p o = get_output_file_with_visibility (inpf); |
bd117bb6 BS |
2355 | if (o) |
2356 | return o->name; | |
2357 | return NULL; | |
e2500fed GK |
2358 | } |
2359 | ||
41e7ac51 BS |
2360 | /* Check if existing file is equal to the in memory buffer. */ |
2361 | ||
2362 | static bool | |
2363 | is_file_equal (outf_p of) | |
2364 | { | |
2365 | FILE *newfile = fopen (of->name, "r"); | |
2366 | size_t i; | |
2367 | bool equal; | |
2368 | if (newfile == NULL) | |
2369 | return false; | |
2370 | ||
2371 | equal = true; | |
2372 | for (i = 0; i < of->bufused; i++) | |
2373 | { | |
2374 | int ch; | |
2375 | ch = fgetc (newfile); | |
2376 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
2377 | { | |
2378 | equal = false; | |
2379 | break; | |
2380 | } | |
2381 | } | |
01b974c9 MM |
2382 | if (equal && EOF != fgetc (newfile)) |
2383 | equal = false; | |
41e7ac51 BS |
2384 | fclose (newfile); |
2385 | return equal; | |
2386 | } | |
2387 | ||
e03856fe | 2388 | /* Copy the output to its final destination, |
9f313342 GK |
2389 | but don't unnecessarily change modification times. */ |
2390 | ||
e2500fed | 2391 | static void |
3d7aafde | 2392 | close_output_files (void) |
e2500fed | 2393 | { |
1d32bbcd | 2394 | int nbwrittenfiles = 0; |
e03856fe | 2395 | outf_p of; |
3d7aafde | 2396 | |
e03856fe | 2397 | for (of = output_files; of; of = of->next) |
e2500fed | 2398 | { |
e1b793e7 BS |
2399 | if (!is_file_equal (of)) |
2400 | { | |
1d32bbcd BS |
2401 | FILE *newfile = NULL; |
2402 | char *backupname = NULL; | |
2403 | /* Back up the old version of the output file gt-FOO.c as | |
2404 | BACKUPDIR/gt-FOO.c~ if we have a backup directory. */ | |
2405 | if (backup_dir) | |
2406 | { | |
2407 | backupname = concat (backup_dir, "/", | |
2408 | lbasename (of->name), "~", NULL); | |
2409 | if (!access (of->name, F_OK) && rename (of->name, backupname)) | |
2410 | fatal ("failed to back up %s as %s: %s", | |
2411 | of->name, backupname, xstrerror (errno)); | |
2412 | } | |
2413 | ||
2414 | newfile = fopen (of->name, "w"); | |
e1b793e7 BS |
2415 | if (newfile == NULL) |
2416 | fatal ("opening output file %s: %s", of->name, xstrerror (errno)); | |
2417 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) | |
2418 | fatal ("writing output file %s: %s", of->name, xstrerror (errno)); | |
2419 | if (fclose (newfile) != 0) | |
2420 | fatal ("closing output file %s: %s", of->name, xstrerror (errno)); | |
1d32bbcd BS |
2421 | nbwrittenfiles++; |
2422 | if (verbosity_level >= 2 && backupname) | |
2423 | printf ("%s wrote #%-3d %s backed-up in %s\n", | |
2424 | progname, nbwrittenfiles, of->name, backupname); | |
2425 | else if (verbosity_level >= 1) | |
2426 | printf ("%s write #%-3d %s\n", progname, nbwrittenfiles, of->name); | |
2427 | free (backupname); | |
2428 | } | |
2429 | else | |
2430 | { | |
2431 | /* output file remains unchanged. */ | |
2432 | if (verbosity_level >= 2) | |
2433 | printf ("%s keep %s\n", progname, of->name); | |
e1b793e7 BS |
2434 | } |
2435 | free (of->buf); | |
41e7ac51 BS |
2436 | of->buf = NULL; |
2437 | of->bufused = of->buflength = 0; | |
e2500fed | 2438 | } |
1d32bbcd BS |
2439 | if (verbosity_level >= 1) |
2440 | printf ("%s wrote %d files.\n", progname, nbwrittenfiles); | |
e2500fed GK |
2441 | } |
2442 | \f | |
e1b793e7 BS |
2443 | struct flist |
2444 | { | |
e2500fed GK |
2445 | struct flist *next; |
2446 | int started_p; | |
14c4815e | 2447 | const input_file* file; |
e03856fe | 2448 | outf_p f; |
e2500fed GK |
2449 | }; |
2450 | ||
17211ab5 GK |
2451 | struct walk_type_data; |
2452 | ||
2453 | /* For scalars and strings, given the item in 'val'. | |
2454 | For structures, given a pointer to the item in 'val'. | |
2455 | For misc. pointers, given the item in 'val'. | |
2456 | */ | |
e1b793e7 BS |
2457 | typedef void (*process_field_fn) (type_p f, const struct walk_type_data * p); |
2458 | typedef void (*func_name_fn) (type_p s, const struct walk_type_data * p); | |
17211ab5 GK |
2459 | |
2460 | /* Parameters for write_types. */ | |
2461 | ||
3d7aafde | 2462 | struct write_types_data |
17211ab5 GK |
2463 | { |
2464 | const char *prefix; | |
2465 | const char *param_prefix; | |
2466 | const char *subfield_marker_routine; | |
2467 | const char *marker_routine; | |
2468 | const char *reorder_note_routine; | |
2469 | const char *comment; | |
8d6419b2 | 2470 | int skip_hooks; /* skip hook generation if non zero */ |
17211ab5 GK |
2471 | }; |
2472 | ||
3d7aafde AJ |
2473 | static void output_escaped_param (struct walk_type_data *d, |
2474 | const char *, const char *); | |
e5cfc29f | 2475 | static void output_mangled_typename (outf_p, const_type_p); |
3d7aafde | 2476 | static void walk_type (type_p t, struct walk_type_data *d); |
e1b793e7 | 2477 | static void write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
a9429e29 | 2478 | const struct write_types_data *wtd); |
3d7aafde | 2479 | static void write_types_process_field |
e1b793e7 | 2480 | (type_p f, const struct walk_type_data *d); |
0182d016 | 2481 | static void write_types (outf_p output_header, |
e1b793e7 | 2482 | type_p structures, |
3d7aafde AJ |
2483 | type_p param_structs, |
2484 | const struct write_types_data *wtd); | |
17211ab5 | 2485 | static void write_types_local_process_field |
e1b793e7 | 2486 | (type_p f, const struct walk_type_data *d); |
17211ab5 | 2487 | static void write_local_func_for_structure |
e1b793e7 | 2488 | (const_type_p orig_s, type_p s, type_p *param); |
0182d016 | 2489 | static void write_local (outf_p output_header, |
e1b793e7 | 2490 | type_p structures, type_p param_structs); |
3d7aafde | 2491 | static int contains_scalar_p (type_p t); |
14c4815e | 2492 | static void put_mangled_filename (outf_p, const input_file *); |
3d7aafde AJ |
2493 | static void finish_root_table (struct flist *flp, const char *pfx, |
2494 | const char *tname, const char *lastname, | |
2495 | const char *name); | |
e1b793e7 | 2496 | static void write_root (outf_p, pair_p, type_p, const char *, int, |
99be7084 | 2497 | struct fileloc *, const char *, bool); |
3d7aafde AJ |
2498 | static void write_array (outf_p f, pair_p v, |
2499 | const struct write_types_data *wtd); | |
99be7084 | 2500 | static void write_roots (pair_p, bool); |
e2500fed | 2501 | |
17211ab5 | 2502 | /* Parameters for walk_type. */ |
e2500fed | 2503 | |
17211ab5 | 2504 | struct walk_type_data |
e2500fed | 2505 | { |
17211ab5 GK |
2506 | process_field_fn process_field; |
2507 | const void *cookie; | |
2508 | outf_p of; | |
2509 | options_p opt; | |
2510 | const char *val; | |
2511 | const char *prev_val[4]; | |
2512 | int indent; | |
2513 | int counter; | |
0277fabf | 2514 | const struct fileloc *line; |
17211ab5 GK |
2515 | lang_bitmap bitmap; |
2516 | type_p *param; | |
2517 | int used_length; | |
2518 | type_p orig_s; | |
2519 | const char *reorder_fn; | |
d8044160 GK |
2520 | bool needs_cast_p; |
2521 | bool fn_wants_lvalue; | |
314b662a MM |
2522 | bool in_record_p; |
2523 | int loopcounter; | |
0823efed | 2524 | bool in_ptr_field; |
3ad45f7f | 2525 | bool have_this_obj; |
17211ab5 | 2526 | }; |
36a5eadd | 2527 | |
0823efed DN |
2528 | |
2529 | /* Given a string TYPE_NAME, representing a C++ typename, return a valid | |
2530 | pre-processor identifier to use in a #define directive. This replaces | |
2531 | special characters used in C++ identifiers like '>', '<' and ':' with | |
2532 | '_'. | |
2533 | ||
2534 | If no C++ special characters are found in TYPE_NAME, return | |
2535 | TYPE_NAME. Otherwise, return a copy of TYPE_NAME with the special | |
2536 | characters replaced with '_'. In this case, the caller is | |
2537 | responsible for freeing the allocated string. */ | |
2538 | ||
2539 | static const char * | |
2540 | filter_type_name (const char *type_name) | |
2541 | { | |
2542 | if (strchr (type_name, '<') || strchr (type_name, ':')) | |
2543 | { | |
2544 | size_t i; | |
2545 | char *s = xstrdup (type_name); | |
2546 | for (i = 0; i < strlen (s); i++) | |
9771b263 | 2547 | if (s[i] == '<' || s[i] == '>' || s[i] == ':' || s[i] == ',') |
0823efed DN |
2548 | s[i] = '_'; |
2549 | return s; | |
2550 | } | |
2551 | else | |
2552 | return type_name; | |
2553 | } | |
2554 | ||
2555 | ||
36a5eadd GK |
2556 | /* Print a mangled name representing T to OF. */ |
2557 | ||
2558 | static void | |
e5cfc29f | 2559 | output_mangled_typename (outf_p of, const_type_p t) |
36a5eadd GK |
2560 | { |
2561 | if (t == NULL) | |
2562 | oprintf (of, "Z"); | |
e1b793e7 BS |
2563 | else |
2564 | switch (t->kind) | |
36a5eadd | 2565 | { |
412dc29d | 2566 | case TYPE_NONE: |
9771b263 | 2567 | case TYPE_UNDEFINED: |
412dc29d BS |
2568 | gcc_unreachable (); |
2569 | break; | |
e1b793e7 BS |
2570 | case TYPE_POINTER: |
2571 | oprintf (of, "P"); | |
2572 | output_mangled_typename (of, t->u.p); | |
2573 | break; | |
2574 | case TYPE_SCALAR: | |
2575 | oprintf (of, "I"); | |
2576 | break; | |
2577 | case TYPE_STRING: | |
2578 | oprintf (of, "S"); | |
2579 | break; | |
2580 | case TYPE_STRUCT: | |
2581 | case TYPE_UNION: | |
2582 | case TYPE_LANG_STRUCT: | |
0823efed DN |
2583 | case TYPE_USER_STRUCT: |
2584 | { | |
52a7fb3c DM |
2585 | /* For references to classes within an inheritance hierarchy, |
2586 | only ever reference the ultimate base class, since only | |
2587 | it will have gt_ functions. */ | |
32fe5271 | 2588 | t = get_ultimate_base_class (t); |
0823efed DN |
2589 | const char *id_for_tag = filter_type_name (t->u.s.tag); |
2590 | oprintf (of, "%lu%s", (unsigned long) strlen (id_for_tag), | |
2591 | id_for_tag); | |
2592 | if (id_for_tag != t->u.s.tag) | |
c3284718 | 2593 | free (CONST_CAST (char *, id_for_tag)); |
0823efed | 2594 | } |
e1b793e7 BS |
2595 | break; |
2596 | case TYPE_PARAM_STRUCT: | |
2597 | { | |
2598 | int i; | |
2599 | for (i = 0; i < NUM_PARAM; i++) | |
2600 | if (t->u.param_struct.param[i] != NULL) | |
2601 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
2602 | output_mangled_typename (of, t->u.param_struct.stru); | |
2603 | } | |
2604 | break; | |
2605 | case TYPE_ARRAY: | |
2606 | gcc_unreachable (); | |
36a5eadd | 2607 | } |
e2500fed GK |
2608 | } |
2609 | ||
17211ab5 GK |
2610 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
2611 | current object, D->PREV_VAL the object containing the current | |
2612 | object, ONAME is the name of the option and D->LINE is used to | |
2613 | print error messages. */ | |
9f313342 | 2614 | |
e2500fed | 2615 | static void |
3d7aafde AJ |
2616 | output_escaped_param (struct walk_type_data *d, const char *param, |
2617 | const char *oname) | |
e2500fed | 2618 | { |
17211ab5 | 2619 | const char *p; |
3d7aafde | 2620 | |
17211ab5 GK |
2621 | for (p = param; *p; p++) |
2622 | if (*p != '%') | |
2623 | oprintf (d->of, "%c", *p); | |
e1b793e7 BS |
2624 | else |
2625 | switch (*++p) | |
e2500fed | 2626 | { |
e1b793e7 BS |
2627 | case 'h': |
2628 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
2629 | break; | |
2630 | case '0': | |
2631 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
2632 | break; | |
2633 | case '1': | |
2634 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
2635 | break; | |
2636 | case 'a': | |
2637 | { | |
2638 | const char *pp = d->val + strlen (d->val); | |
2639 | while (pp[-1] == ']') | |
2640 | while (*pp != '[') | |
2641 | pp--; | |
2642 | oprintf (d->of, "%s", pp); | |
2643 | } | |
2644 | break; | |
2645 | default: | |
2646 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
2647 | oname, '%', *p); | |
e2500fed | 2648 | } |
17211ab5 | 2649 | } |
e2500fed | 2650 | |
52a7fb3c DM |
2651 | const char * |
2652 | get_string_option (options_p opt, const char *key) | |
2653 | { | |
2654 | for (; opt; opt = opt->next) | |
2655 | if (strcmp (opt->name, key) == 0) | |
2656 | return opt->info.string; | |
2657 | return NULL; | |
2658 | } | |
2659 | ||
2660 | static void | |
2661 | walk_subclasses (type_p base, struct walk_type_data *d) | |
2662 | { | |
32fe5271 DM |
2663 | for (type_p sub = base->u.s.first_subclass; sub != NULL; |
2664 | sub = sub->u.s.next_sibling_class) | |
52a7fb3c | 2665 | { |
32fe5271 DM |
2666 | const char *type_tag = get_string_option (sub->u.s.opt, "tag"); |
2667 | if (type_tag) | |
52a7fb3c | 2668 | { |
32fe5271 DM |
2669 | oprintf (d->of, "%*scase %s:\n", d->indent, "", type_tag); |
2670 | d->indent += 2; | |
2671 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2672 | d->indent += 2; | |
2673 | oprintf (d->of, "%*s%s *sub = static_cast <%s *> (x);\n", | |
2674 | d->indent, "", sub->u.s.tag, sub->u.s.tag); | |
2675 | const char *old_val = d->val; | |
2676 | d->val = "(*sub)"; | |
2677 | walk_type (sub, d); | |
2678 | d->val = old_val; | |
2679 | d->indent -= 2; | |
2680 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2681 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); | |
2682 | d->indent -= 2; | |
52a7fb3c | 2683 | } |
32fe5271 | 2684 | walk_subclasses (sub, d); |
52a7fb3c DM |
2685 | } |
2686 | } | |
0823efed | 2687 | |
17211ab5 GK |
2688 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
2689 | which is of type T. Write code to D->OF to constrain execution (at | |
2690 | the point that D->PROCESS_FIELD is called) to the appropriate | |
4da6879c GK |
2691 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
2692 | pointers to those objects. D->PREV_VAL lists the objects | |
2693 | containing the current object, D->OPT is a list of options to | |
2694 | apply, D->INDENT is the current indentation level, D->LINE is used | |
2695 | to print error messages, D->BITMAP indicates which languages to | |
2696 | print the structure for, and D->PARAM is the current parameter | |
2697 | (from an enclosing param_is option). */ | |
e2500fed | 2698 | |
17211ab5 | 2699 | static void |
3d7aafde | 2700 | walk_type (type_p t, struct walk_type_data *d) |
17211ab5 GK |
2701 | { |
2702 | const char *length = NULL; | |
2703 | const char *desc = NULL; | |
52a7fb3c | 2704 | const char *type_tag = NULL; |
17211ab5 GK |
2705 | int maybe_undef_p = 0; |
2706 | int use_param_num = -1; | |
2707 | int use_params_p = 0; | |
555c3771 | 2708 | int atomic_p = 0; |
17211ab5 | 2709 | options_p oo; |
b453c95f | 2710 | const struct nested_ptr_data *nested_ptr_d = NULL; |
3d7aafde | 2711 | |
d8044160 | 2712 | d->needs_cast_p = false; |
17211ab5 | 2713 | for (oo = d->opt; oo; oo = oo->next) |
412dc29d BS |
2714 | if (strcmp (oo->name, "length") == 0 && oo->kind == OPTION_STRING) |
2715 | length = oo->info.string; | |
17211ab5 GK |
2716 | else if (strcmp (oo->name, "maybe_undef") == 0) |
2717 | maybe_undef_p = 1; | |
2718 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
2719 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2720 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
2721 | else if (strcmp (oo->name, "use_params") == 0) | |
2722 | use_params_p = 1; | |
412dc29d BS |
2723 | else if (strcmp (oo->name, "desc") == 0 && oo->kind == OPTION_STRING) |
2724 | desc = oo->info.string; | |
8d6419b2 BS |
2725 | else if (strcmp (oo->name, "mark_hook") == 0) |
2726 | ; | |
412dc29d BS |
2727 | else if (strcmp (oo->name, "nested_ptr") == 0 |
2728 | && oo->kind == OPTION_NESTED) | |
2729 | nested_ptr_d = (const struct nested_ptr_data *) oo->info.nested; | |
17211ab5 GK |
2730 | else if (strcmp (oo->name, "dot") == 0) |
2731 | ; | |
2732 | else if (strcmp (oo->name, "tag") == 0) | |
52a7fb3c | 2733 | type_tag = oo->info.string; |
17211ab5 GK |
2734 | else if (strcmp (oo->name, "special") == 0) |
2735 | ; | |
2736 | else if (strcmp (oo->name, "skip") == 0) | |
2737 | ; | |
555c3771 NP |
2738 | else if (strcmp (oo->name, "atomic") == 0) |
2739 | atomic_p = 1; | |
17211ab5 GK |
2740 | else if (strcmp (oo->name, "default") == 0) |
2741 | ; | |
17211ab5 GK |
2742 | else if (strcmp (oo->name, "param_is") == 0) |
2743 | ; | |
084087e1 | 2744 | else if (strncmp (oo->name, "param", 5) == 0 |
e1b793e7 | 2745 | && ISDIGIT (oo->name[5]) && strcmp (oo->name + 6, "_is") == 0) |
084087e1 | 2746 | ; |
17211ab5 GK |
2747 | else if (strcmp (oo->name, "chain_next") == 0) |
2748 | ; | |
2749 | else if (strcmp (oo->name, "chain_prev") == 0) | |
2750 | ; | |
623f8e39 JJ |
2751 | else if (strcmp (oo->name, "chain_circular") == 0) |
2752 | ; | |
17211ab5 GK |
2753 | else if (strcmp (oo->name, "reorder") == 0) |
2754 | ; | |
a9429e29 LB |
2755 | else if (strcmp (oo->name, "variable_size") == 0) |
2756 | ; | |
17211ab5 GK |
2757 | else |
2758 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
36a5eadd | 2759 | |
17211ab5 GK |
2760 | if (d->used_length) |
2761 | length = NULL; | |
36a5eadd | 2762 | |
17211ab5 GK |
2763 | if (use_params_p) |
2764 | { | |
2765 | int pointer_p = t->kind == TYPE_POINTER; | |
3d7aafde | 2766 | |
17211ab5 GK |
2767 | if (pointer_p) |
2768 | t = t->u.p; | |
0823efed | 2769 | if (!union_or_struct_p (t)) |
17211ab5 | 2770 | error_at_line (d->line, "`use_params' option on unimplemented type"); |
3d7aafde | 2771 | else |
17211ab5 GK |
2772 | t = find_param_structure (t, d->param); |
2773 | if (pointer_p) | |
2774 | t = create_pointer (t); | |
2775 | } | |
3d7aafde | 2776 | |
17211ab5 GK |
2777 | if (use_param_num != -1) |
2778 | { | |
2779 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
e2500fed | 2780 | { |
17211ab5 | 2781 | type_p nt = d->param[use_param_num]; |
3d7aafde | 2782 | |
17211ab5 GK |
2783 | if (t->kind == TYPE_ARRAY) |
2784 | nt = create_array (nt, t->u.a.len); | |
2785 | else if (length != NULL && t->kind == TYPE_POINTER) | |
2786 | nt = create_pointer (nt); | |
f099d360 GK |
2787 | d->needs_cast_p = (t->kind != TYPE_POINTER |
2788 | && (nt->kind == TYPE_POINTER | |
2789 | || nt->kind == TYPE_STRING)); | |
17211ab5 | 2790 | t = nt; |
e2500fed | 2791 | } |
17211ab5 | 2792 | else |
e1b793e7 | 2793 | error_at_line (d->line, "no parameter defined for `%s'", d->val); |
17211ab5 | 2794 | } |
3d7aafde AJ |
2795 | |
2796 | if (maybe_undef_p | |
0823efed | 2797 | && (t->kind != TYPE_POINTER || !union_or_struct_p (t->u.p))) |
17211ab5 | 2798 | { |
3d7aafde | 2799 | error_at_line (d->line, |
17211ab5 GK |
2800 | "field `%s' has invalid option `maybe_undef_p'\n", |
2801 | d->val); | |
2802 | return; | |
2803 | } | |
3d7aafde | 2804 | |
c0fd3497 | 2805 | if (atomic_p && (t->kind != TYPE_POINTER) && (t->kind != TYPE_STRING)) |
555c3771 NP |
2806 | { |
2807 | error_at_line (d->line, "field `%s' has invalid option `atomic'\n", d->val); | |
2808 | return; | |
2809 | } | |
2810 | ||
17211ab5 GK |
2811 | switch (t->kind) |
2812 | { | |
2813 | case TYPE_SCALAR: | |
2814 | case TYPE_STRING: | |
2815 | d->process_field (t, d); | |
2816 | break; | |
3d7aafde | 2817 | |
17211ab5 GK |
2818 | case TYPE_POINTER: |
2819 | { | |
0823efed | 2820 | d->in_ptr_field = true; |
e1b793e7 | 2821 | if (maybe_undef_p && t->u.p->u.s.line.file == NULL) |
17211ab5 | 2822 | { |
b2d59f6f | 2823 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
17211ab5 GK |
2824 | break; |
2825 | } | |
e2500fed | 2826 | |
555c3771 NP |
2827 | /* If a pointer type is marked as "atomic", we process the |
2828 | field itself, but we don't walk the data that they point to. | |
313465bb | 2829 | |
555c3771 NP |
2830 | There are two main cases where we walk types: to mark |
2831 | pointers that are reachable, and to relocate pointers when | |
2832 | writing a PCH file. In both cases, an atomic pointer is | |
2833 | itself marked or relocated, but the memory that it points | |
2834 | to is left untouched. In the case of PCH, that memory will | |
2835 | be read/written unchanged to the PCH file. */ | |
2836 | if (atomic_p) | |
2837 | { | |
2838 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); | |
2839 | d->indent += 2; | |
2840 | d->process_field (t, d); | |
2841 | d->indent -= 2; | |
2842 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2843 | break; | |
2844 | } | |
2845 | ||
e1b793e7 | 2846 | if (!length) |
e2500fed | 2847 | { |
0823efed | 2848 | if (!union_or_struct_p (t->u.p) |
17211ab5 | 2849 | && t->u.p->kind != TYPE_PARAM_STRUCT) |
e2500fed | 2850 | { |
3d7aafde | 2851 | error_at_line (d->line, |
17211ab5 GK |
2852 | "field `%s' is pointer to unimplemented type", |
2853 | d->val); | |
e2500fed GK |
2854 | break; |
2855 | } | |
3d7aafde | 2856 | |
b453c95f GK |
2857 | if (nested_ptr_d) |
2858 | { | |
2859 | const char *oldprevval2 = d->prev_val[2]; | |
2860 | ||
0823efed | 2861 | if (!union_or_struct_p (nested_ptr_d->type)) |
b453c95f GK |
2862 | { |
2863 | error_at_line (d->line, | |
2864 | "field `%s' has invalid " | |
e1b793e7 | 2865 | "option `nested_ptr'\n", d->val); |
b453c95f GK |
2866 | return; |
2867 | } | |
2868 | ||
2869 | d->prev_val[2] = d->val; | |
2870 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2871 | d->indent += 2; | |
2872 | d->val = xasprintf ("x%d", d->counter++); | |
d8044160 | 2873 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
b8698a0f L |
2874 | (nested_ptr_d->type->kind == TYPE_UNION |
2875 | ? "union" : "struct"), | |
2876 | nested_ptr_d->type->u.s.tag, | |
e1b793e7 | 2877 | d->fn_wants_lvalue ? "" : "const ", d->val); |
b453c95f GK |
2878 | oprintf (d->of, "%*s", d->indent + 2, ""); |
2879 | output_escaped_param (d, nested_ptr_d->convert_from, | |
2880 | "nested_ptr"); | |
2881 | oprintf (d->of, ";\n"); | |
2882 | ||
2883 | d->process_field (nested_ptr_d->type, d); | |
2884 | ||
d8044160 GK |
2885 | if (d->fn_wants_lvalue) |
2886 | { | |
2887 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
2888 | d->prev_val[2]); | |
2889 | d->prev_val[2] = d->val; | |
2890 | output_escaped_param (d, nested_ptr_d->convert_to, | |
2891 | "nested_ptr"); | |
2892 | oprintf (d->of, ";\n"); | |
2893 | } | |
b453c95f GK |
2894 | |
2895 | d->indent -= 2; | |
2896 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2897 | d->val = d->prev_val[2]; | |
2898 | d->prev_val[2] = oldprevval2; | |
2899 | } | |
2900 | else | |
2901 | d->process_field (t->u.p, d); | |
e2500fed | 2902 | } |
3d7aafde | 2903 | else |
e2500fed | 2904 | { |
314b662a | 2905 | int loopcounter = d->loopcounter; |
17211ab5 GK |
2906 | const char *oldval = d->val; |
2907 | const char *oldprevval3 = d->prev_val[3]; | |
e2500fed GK |
2908 | char *newval; |
2909 | ||
17211ab5 GK |
2910 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
2911 | d->indent += 2; | |
2912 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
e1b793e7 BS |
2913 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, |
2914 | "", loopcounter, loopcounter); | |
314b662a MM |
2915 | if (!d->in_record_p) |
2916 | output_escaped_param (d, length, "length"); | |
2917 | else | |
2918 | oprintf (d->of, "l%d", loopcounter); | |
3ad45f7f SB |
2919 | if (d->have_this_obj) |
2920 | /* Try to unswitch loops (see PR53880). */ | |
2921 | oprintf (d->of, ") && ((void *)%s == this_obj", oldval); | |
17211ab5 GK |
2922 | oprintf (d->of, "); i%d++) {\n", loopcounter); |
2923 | d->indent += 2; | |
2924 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2925 | d->used_length = 1; | |
2926 | d->prev_val[3] = oldval; | |
2927 | walk_type (t->u.p, d); | |
e2500fed | 2928 | free (newval); |
17211ab5 GK |
2929 | d->val = oldval; |
2930 | d->prev_val[3] = oldprevval3; | |
2931 | d->used_length = 0; | |
2932 | d->indent -= 2; | |
2933 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e1b793e7 | 2934 | d->process_field (t, d); |
17211ab5 GK |
2935 | d->indent -= 2; |
2936 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e2500fed | 2937 | } |
0823efed | 2938 | d->in_ptr_field = false; |
17211ab5 GK |
2939 | } |
2940 | break; | |
e2500fed | 2941 | |
17211ab5 GK |
2942 | case TYPE_ARRAY: |
2943 | { | |
314b662a | 2944 | int loopcounter; |
17211ab5 GK |
2945 | const char *oldval = d->val; |
2946 | char *newval; | |
2947 | ||
6356f892 | 2948 | /* If it's an array of scalars, we optimize by not generating |
17211ab5 GK |
2949 | any code. */ |
2950 | if (t->u.a.p->kind == TYPE_SCALAR) | |
e2500fed | 2951 | break; |
3d7aafde | 2952 | |
314b662a MM |
2953 | if (length) |
2954 | loopcounter = d->loopcounter; | |
2955 | else | |
2956 | loopcounter = d->counter++; | |
2957 | ||
5039610b SL |
2958 | /* When walking an array, compute the length and store it in a |
2959 | local variable before walking the array elements, instead of | |
2960 | recomputing the length expression each time through the loop. | |
2961 | This is necessary to handle tcc_vl_exp objects like CALL_EXPR, | |
2962 | where the length is stored in the first array element, | |
2963 | because otherwise that operand can get overwritten on the | |
2964 | first iteration. */ | |
17211ab5 GK |
2965 | oprintf (d->of, "%*s{\n", d->indent, ""); |
2966 | d->indent += 2; | |
2967 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
314b662a MM |
2968 | if (!d->in_record_p || !length) |
2969 | { | |
2970 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", | |
2971 | d->indent, "", loopcounter); | |
2972 | if (length) | |
2973 | output_escaped_param (d, length, "length"); | |
2974 | else | |
2975 | oprintf (d->of, "%s", t->u.a.len); | |
2976 | oprintf (d->of, ");\n"); | |
2977 | } | |
b8698a0f | 2978 | |
5039610b SL |
2979 | oprintf (d->of, "%*sfor (i%d = 0; i%d != l%d; i%d++) {\n", |
2980 | d->indent, "", | |
2981 | loopcounter, loopcounter, loopcounter, loopcounter); | |
17211ab5 GK |
2982 | d->indent += 2; |
2983 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2984 | d->used_length = 1; | |
2985 | walk_type (t->u.a.p, d); | |
2986 | free (newval); | |
2987 | d->used_length = 0; | |
2988 | d->val = oldval; | |
2989 | d->indent -= 2; | |
2990 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2991 | d->indent -= 2; | |
2992 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2993 | } | |
2994 | break; | |
3d7aafde | 2995 | |
17211ab5 GK |
2996 | case TYPE_STRUCT: |
2997 | case TYPE_UNION: | |
2998 | { | |
2999 | pair_p f; | |
3000 | const char *oldval = d->val; | |
3001 | const char *oldprevval1 = d->prev_val[1]; | |
3002 | const char *oldprevval2 = d->prev_val[2]; | |
35057bf7 | 3003 | const char *struct_mark_hook = NULL; |
17211ab5 GK |
3004 | const int union_p = t->kind == TYPE_UNION; |
3005 | int seen_default_p = 0; | |
3006 | options_p o; | |
314b662a MM |
3007 | int lengths_seen = 0; |
3008 | int endcounter; | |
3009 | bool any_length_seen = false; | |
17211ab5 | 3010 | |
e1b793e7 | 3011 | if (!t->u.s.line.file) |
17211ab5 | 3012 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); |
e2500fed | 3013 | |
17211ab5 | 3014 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
e2500fed | 3015 | { |
17211ab5 GK |
3016 | error_at_line (d->line, |
3017 | "structure `%s' defined for mismatching languages", | |
3018 | t->u.s.tag); | |
3019 | error_at_line (&t->u.s.line, "one structure defined here"); | |
3020 | } | |
e2500fed | 3021 | |
17211ab5 GK |
3022 | /* Some things may also be defined in the structure's options. */ |
3023 | for (o = t->u.s.opt; o; o = o->next) | |
412dc29d BS |
3024 | if (!desc && strcmp (o->name, "desc") == 0 |
3025 | && o->kind == OPTION_STRING) | |
3026 | desc = o->info.string; | |
35057bf7 BS |
3027 | else if (!struct_mark_hook && strcmp (o->name, "mark_hook") == 0 |
3028 | && o->kind == OPTION_STRING) | |
3029 | struct_mark_hook = o->info.string; | |
3030 | ||
3031 | if (struct_mark_hook) | |
226a0af8 | 3032 | oprintf (d->of, "%*s%s (&%s);\n", |
35057bf7 | 3033 | d->indent, "", struct_mark_hook, oldval); |
e2500fed | 3034 | |
17211ab5 GK |
3035 | d->prev_val[2] = oldval; |
3036 | d->prev_val[1] = oldprevval2; | |
3037 | if (union_p) | |
3038 | { | |
3039 | if (desc == NULL) | |
e2500fed | 3040 | { |
e1b793e7 BS |
3041 | error_at_line (d->line, |
3042 | "missing `desc' option for union `%s'", | |
17211ab5 GK |
3043 | t->u.s.tag); |
3044 | desc = "1"; | |
e2500fed | 3045 | } |
17211ab5 GK |
3046 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
3047 | output_escaped_param (d, desc, "desc"); | |
3048 | oprintf (d->of, ")\n"); | |
3049 | d->indent += 2; | |
3050 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
3051 | } | |
52a7fb3c DM |
3052 | else if (desc) |
3053 | { | |
32fe5271 DM |
3054 | /* We have a "desc" option on a struct, signifying the |
3055 | base class within a GC-managed inheritance hierarchy. | |
3056 | The current code specialcases the base class, then walks | |
3057 | into subclasses, recursing into this routine to handle them. | |
3058 | This organization requires the base class to have a case in | |
3059 | the switch statement, and hence a tag value is mandatory | |
3060 | for the base class. This restriction could be removed, but | |
3061 | it would require some restructing of this code. */ | |
3062 | if (!type_tag) | |
3063 | { | |
3064 | error_at_line (d->line, | |
3065 | "missing `tag' option for type `%s'", | |
3066 | t->u.s.tag); | |
3067 | } | |
52a7fb3c DM |
3068 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
3069 | output_escaped_param (d, desc, "desc"); | |
3070 | oprintf (d->of, ")\n"); | |
3071 | d->indent += 2; | |
3072 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
3073 | oprintf (d->of, "%*scase %s:\n", d->indent, "", type_tag); | |
3074 | d->indent += 2; | |
3075 | } | |
314b662a | 3076 | |
52a7fb3c | 3077 | FOR_ALL_INHERITED_FIELDS (t, f) |
314b662a MM |
3078 | { |
3079 | options_p oo; | |
3080 | int skip_p = 0; | |
3081 | const char *fieldlength = NULL; | |
3082 | ||
3083 | d->reorder_fn = NULL; | |
3084 | for (oo = f->opt; oo; oo = oo->next) | |
3085 | if (strcmp (oo->name, "skip") == 0) | |
3086 | skip_p = 1; | |
3087 | else if (strcmp (oo->name, "length") == 0 | |
3088 | && oo->kind == OPTION_STRING) | |
3089 | fieldlength = oo->info.string; | |
3090 | ||
3091 | if (skip_p) | |
3092 | continue; | |
3093 | if (fieldlength) | |
3094 | { | |
3095 | lengths_seen++; | |
3096 | d->counter++; | |
3097 | if (!union_p) | |
3098 | { | |
3099 | if (!any_length_seen) | |
3100 | { | |
3101 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
3102 | d->indent += 2; | |
3103 | } | |
3104 | any_length_seen = true; | |
3105 | ||
3106 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", | |
3107 | d->indent, "", d->counter - 1); | |
3108 | output_escaped_param (d, fieldlength, "length"); | |
3109 | oprintf (d->of, ");\n"); | |
3110 | } | |
3111 | } | |
3112 | } | |
3113 | endcounter = d->counter; | |
3114 | ||
52a7fb3c | 3115 | FOR_ALL_INHERITED_FIELDS (t, f) |
17211ab5 GK |
3116 | { |
3117 | options_p oo; | |
3118 | const char *dot = "."; | |
3119 | const char *tagid = NULL; | |
3120 | int skip_p = 0; | |
3121 | int default_p = 0; | |
3122 | int use_param_p = 0; | |
314b662a | 3123 | const char *fieldlength = NULL; |
17211ab5 GK |
3124 | char *newval; |
3125 | ||
3126 | d->reorder_fn = NULL; | |
3127 | for (oo = f->opt; oo; oo = oo->next) | |
412dc29d BS |
3128 | if (strcmp (oo->name, "dot") == 0 |
3129 | && oo->kind == OPTION_STRING) | |
3130 | dot = oo->info.string; | |
3131 | else if (strcmp (oo->name, "tag") == 0 | |
3132 | && oo->kind == OPTION_STRING) | |
3133 | tagid = oo->info.string; | |
17211ab5 GK |
3134 | else if (strcmp (oo->name, "skip") == 0) |
3135 | skip_p = 1; | |
3136 | else if (strcmp (oo->name, "default") == 0) | |
3137 | default_p = 1; | |
412dc29d BS |
3138 | else if (strcmp (oo->name, "reorder") == 0 |
3139 | && oo->kind == OPTION_STRING) | |
3140 | d->reorder_fn = oo->info.string; | |
17211ab5 GK |
3141 | else if (strncmp (oo->name, "use_param", 9) == 0 |
3142 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
3143 | use_param_p = 1; | |
314b662a MM |
3144 | else if (strcmp (oo->name, "length") == 0 |
3145 | && oo->kind == OPTION_STRING) | |
3146 | fieldlength = oo->info.string; | |
17211ab5 GK |
3147 | |
3148 | if (skip_p) | |
3149 | continue; | |
3150 | ||
3151 | if (union_p && tagid) | |
e2500fed | 3152 | { |
17211ab5 GK |
3153 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
3154 | d->indent += 2; | |
e2500fed | 3155 | } |
17211ab5 | 3156 | else if (union_p && default_p) |
e2500fed | 3157 | { |
17211ab5 GK |
3158 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
3159 | d->indent += 2; | |
3160 | seen_default_p = 1; | |
e2500fed | 3161 | } |
e1b793e7 | 3162 | else if (!union_p && (default_p || tagid)) |
3d7aafde | 3163 | error_at_line (d->line, |
17211ab5 GK |
3164 | "can't use `%s' outside a union on field `%s'", |
3165 | default_p ? "default" : "tag", f->name); | |
e1b793e7 | 3166 | else if (union_p && !(default_p || tagid) |
17211ab5 | 3167 | && f->type->kind == TYPE_SCALAR) |
e2500fed | 3168 | { |
17211ab5 | 3169 | fprintf (stderr, |
e1b793e7 | 3170 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", |
14c4815e BS |
3171 | get_input_file_name (d->line->file), d->line->line, |
3172 | f->name); | |
17211ab5 | 3173 | continue; |
e2500fed | 3174 | } |
e1b793e7 | 3175 | else if (union_p && !(default_p || tagid)) |
3d7aafde | 3176 | error_at_line (d->line, |
17211ab5 | 3177 | "field `%s' is missing `tag' or `default' option", |
e2500fed | 3178 | f->name); |
3d7aafde | 3179 | |
314b662a MM |
3180 | if (fieldlength) |
3181 | { | |
3182 | d->loopcounter = endcounter - lengths_seen--; | |
3183 | } | |
3184 | ||
17211ab5 GK |
3185 | d->line = &f->line; |
3186 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
3187 | d->opt = f->opt; | |
d8044160 | 3188 | d->used_length = false; |
314b662a | 3189 | d->in_record_p = !union_p; |
17211ab5 GK |
3190 | |
3191 | if (union_p && use_param_p && d->param == NULL) | |
b2d59f6f | 3192 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
17211ab5 GK |
3193 | else |
3194 | walk_type (f->type, d); | |
3195 | ||
314b662a MM |
3196 | d->in_record_p = false; |
3197 | ||
17211ab5 GK |
3198 | free (newval); |
3199 | ||
3200 | if (union_p) | |
e2500fed | 3201 | { |
17211ab5 GK |
3202 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
3203 | d->indent -= 2; | |
e2500fed | 3204 | } |
17211ab5 GK |
3205 | } |
3206 | d->reorder_fn = NULL; | |
e2500fed | 3207 | |
17211ab5 GK |
3208 | d->val = oldval; |
3209 | d->prev_val[1] = oldprevval1; | |
3210 | d->prev_val[2] = oldprevval2; | |
3211 | ||
e1b793e7 | 3212 | if (union_p && !seen_default_p) |
17211ab5 GK |
3213 | { |
3214 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
3215 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
3216 | } | |
52a7fb3c DM |
3217 | |
3218 | if (desc && !union_p) | |
3219 | { | |
3220 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); | |
3221 | d->indent -= 2; | |
3222 | } | |
17211ab5 GK |
3223 | if (union_p) |
3224 | { | |
3225 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
3226 | d->indent -= 2; | |
e2500fed | 3227 | } |
52a7fb3c DM |
3228 | else if (desc) |
3229 | { | |
3230 | /* Add cases to handle subclasses. */ | |
3231 | walk_subclasses (t, d); | |
3232 | ||
32fe5271 DM |
3233 | /* Ensure that if someone forgets a "tag" option that we don't |
3234 | silent fail to traverse that subclass's fields. */ | |
3235 | if (!seen_default_p) | |
3236 | { | |
3237 | oprintf (d->of, "%*s/* Unrecognized tag value. */\n", | |
3238 | d->indent, ""); | |
3239 | oprintf (d->of, "%*sdefault: gcc_unreachable (); \n", | |
3240 | d->indent, ""); | |
3241 | } | |
3242 | ||
52a7fb3c DM |
3243 | /* End of the switch statement */ |
3244 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
3245 | d->indent -= 2; | |
3246 | } | |
314b662a MM |
3247 | if (any_length_seen) |
3248 | { | |
3249 | d->indent -= 2; | |
3250 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
3251 | } | |
17211ab5 GK |
3252 | } |
3253 | break; | |
e2500fed | 3254 | |
17211ab5 GK |
3255 | case TYPE_LANG_STRUCT: |
3256 | { | |
3257 | type_p nt; | |
3258 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
3259 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
3260 | break; | |
3261 | if (nt == NULL) | |
3262 | error_at_line (d->line, "structure `%s' differs between languages", | |
3263 | t->u.s.tag); | |
3264 | else | |
3265 | walk_type (nt, d); | |
3266 | } | |
3267 | break; | |
3268 | ||
3269 | case TYPE_PARAM_STRUCT: | |
3270 | { | |
3271 | type_p *oldparam = d->param; | |
3d7aafde | 3272 | |
17211ab5 GK |
3273 | d->param = t->u.param_struct.param; |
3274 | walk_type (t->u.param_struct.stru, d); | |
3275 | d->param = oldparam; | |
3276 | } | |
3277 | break; | |
3d7aafde | 3278 | |
0823efed DN |
3279 | case TYPE_USER_STRUCT: |
3280 | d->process_field (t, d); | |
3281 | break; | |
3282 | ||
9771b263 DN |
3283 | case TYPE_NONE: |
3284 | case TYPE_UNDEFINED: | |
b2d59f6f | 3285 | gcc_unreachable (); |
e2500fed | 3286 | } |
17211ab5 GK |
3287 | } |
3288 | ||
3289 | /* process_field routine for marking routines. */ | |
3290 | ||
3291 | static void | |
3d7aafde | 3292 | write_types_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
3293 | { |
3294 | const struct write_types_data *wtd; | |
f099d360 | 3295 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
17211ab5 | 3296 | wtd = (const struct write_types_data *) d->cookie; |
3d7aafde | 3297 | |
17211ab5 | 3298 | switch (f->kind) |
e2500fed | 3299 | { |
412dc29d | 3300 | case TYPE_NONE: |
9771b263 | 3301 | case TYPE_UNDEFINED: |
412dc29d | 3302 | gcc_unreachable (); |
17211ab5 | 3303 | case TYPE_POINTER: |
3d7aafde | 3304 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
f099d360 | 3305 | wtd->subfield_marker_routine, cast, d->val); |
17211ab5 | 3306 | if (wtd->param_prefix) |
36a5eadd | 3307 | { |
163fa1eb DS |
3308 | if (f->u.p->kind == TYPE_SCALAR) |
3309 | /* The current type is a pointer to a scalar (so not | |
3310 | considered like a pointer to instances of user defined | |
3311 | types) and we are seeing it; it means we must be even | |
3312 | more careful about the second argument of the | |
3313 | SUBFIELD_MARKER_ROUTINE call. That argument must | |
3314 | always be the instance of the type for which | |
3315 | write_func_for_structure was called - this really is | |
3316 | what the function SUBFIELD_MARKER_ROUTINE expects. | |
3317 | That is, it must be an instance of the ORIG_S type | |
3318 | parameter of write_func_for_structure. The convention | |
3319 | is that that argument must be "x" in that case (as set | |
3320 | by write_func_for_structure). The problem is, we can't | |
3321 | count on d->prev_val[3] to be always set to "x" in that | |
3322 | case. Sometimes walk_type can set it to something else | |
3323 | (to e.g cooperate with write_array when called from | |
3324 | write_roots). So let's set it to "x" here then. */ | |
3325 | oprintf (d->of, ", x"); | |
3326 | else | |
3327 | oprintf (d->of, ", %s", d->prev_val[3]); | |
17211ab5 GK |
3328 | if (d->orig_s) |
3329 | { | |
3330 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
3331 | output_mangled_typename (d->of, d->orig_s); | |
3332 | } | |
3333 | else | |
3334 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
36a5eadd | 3335 | } |
17211ab5 GK |
3336 | oprintf (d->of, ");\n"); |
3337 | if (d->reorder_fn && wtd->reorder_note_routine) | |
3d7aafde | 3338 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
f099d360 | 3339 | wtd->reorder_note_routine, cast, d->val, |
17211ab5 GK |
3340 | d->prev_val[3], d->reorder_fn); |
3341 | break; | |
3342 | ||
3343 | case TYPE_STRING: | |
17211ab5 GK |
3344 | case TYPE_STRUCT: |
3345 | case TYPE_UNION: | |
3346 | case TYPE_LANG_STRUCT: | |
3347 | case TYPE_PARAM_STRUCT: | |
0823efed DN |
3348 | case TYPE_USER_STRUCT: |
3349 | if (f->kind == TYPE_USER_STRUCT && !d->in_ptr_field) | |
3350 | { | |
3351 | /* If F is a user-defined type and the field is not a | |
3352 | pointer to the type, then we should not generate the | |
3353 | standard pointer-marking code. All we need to do is call | |
3354 | the user-provided marking function to process the fields | |
3355 | of F. */ | |
3356 | oprintf (d->of, "%*sgt_%sx (&(%s));\n", d->indent, "", wtd->prefix, | |
3357 | d->val); | |
3358 | } | |
3359 | else | |
3360 | { | |
3361 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
3362 | output_mangled_typename (d->of, f); | |
3363 | oprintf (d->of, " (%s%s);\n", cast, d->val); | |
3364 | if (d->reorder_fn && wtd->reorder_note_routine) | |
3365 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", | |
3366 | wtd->reorder_note_routine, cast, d->val, cast, d->val, | |
3367 | d->reorder_fn); | |
3368 | } | |
17211ab5 GK |
3369 | break; |
3370 | ||
3371 | case TYPE_SCALAR: | |
3372 | break; | |
3d7aafde | 3373 | |
412dc29d | 3374 | case TYPE_ARRAY: |
b2d59f6f | 3375 | gcc_unreachable (); |
e2500fed GK |
3376 | } |
3377 | } | |
3378 | ||
0277fabf LB |
3379 | /* Return an output file that is suitable for definitions which can |
3380 | reference struct S */ | |
3381 | ||
3382 | static outf_p | |
3383 | get_output_file_for_structure (const_type_p s, type_p *param) | |
3384 | { | |
14c4815e | 3385 | const input_file *fn; |
0277fabf LB |
3386 | int i; |
3387 | ||
0823efed | 3388 | gcc_assert (union_or_struct_p (s)); |
90aa3e91 BS |
3389 | fn = s->u.s.line.file; |
3390 | ||
0277fabf LB |
3391 | /* This is a hack, and not the good kind either. */ |
3392 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3393 | if (param && param[i] && param[i]->kind == TYPE_POINTER | |
0823efed | 3394 | && union_or_struct_p (param[i]->u.p)) |
0277fabf LB |
3395 | fn = param[i]->u.p->u.s.line.file; |
3396 | ||
14c4815e BS |
3397 | /* The call to get_output_file_with_visibility may update fn by |
3398 | caching its result inside, so we need the CONST_CAST. */ | |
3399 | return get_output_file_with_visibility (CONST_CAST (input_file*, fn)); | |
0277fabf LB |
3400 | } |
3401 | ||
0823efed DN |
3402 | |
3403 | /* Returns the specifier keyword for a string or union type S, empty string | |
3404 | otherwise. */ | |
3405 | ||
3406 | static const char * | |
3407 | get_type_specifier (const type_p s) | |
3408 | { | |
3409 | if (s->kind == TYPE_STRUCT) | |
3410 | return "struct "; | |
3411 | else if (s->kind == TYPE_LANG_STRUCT) | |
3412 | return get_type_specifier (s->u.s.lang_struct); | |
3413 | else if (s->kind == TYPE_UNION) | |
3414 | return "union "; | |
3415 | return ""; | |
3416 | } | |
3417 | ||
3418 | ||
3419 | /* Emits a declaration for type TY (assumed to be a union or a | |
3420 | structure) on stream OUT. */ | |
3421 | ||
3422 | static void | |
3423 | write_type_decl (outf_p out, type_p ty) | |
3424 | { | |
3425 | if (union_or_struct_p (ty)) | |
3426 | oprintf (out, "%s%s", get_type_specifier (ty), ty->u.s.tag); | |
3427 | else if (ty->kind == TYPE_SCALAR) | |
3428 | { | |
3429 | if (ty->u.scalar_is_char) | |
3430 | oprintf (out, "const char"); | |
3431 | else | |
3432 | oprintf (out, "void"); | |
3433 | } | |
3434 | else if (ty->kind == TYPE_POINTER) | |
3435 | { | |
3436 | write_type_decl (out, ty->u.p); | |
3437 | oprintf (out, " *"); | |
3438 | } | |
3439 | else if (ty->kind == TYPE_ARRAY) | |
3440 | { | |
3441 | write_type_decl (out, ty->u.a.p); | |
3442 | oprintf (out, " *"); | |
3443 | } | |
3444 | else if (ty->kind == TYPE_STRING) | |
3445 | { | |
3446 | oprintf (out, "const char *"); | |
3447 | } | |
3448 | else | |
3449 | gcc_unreachable (); | |
3450 | } | |
3451 | ||
3452 | ||
3453 | /* Write on OF the name of the marker function for structure S. PREFIX | |
3454 | is the prefix to use (to distinguish ggc from pch markers). */ | |
3455 | ||
3456 | static void | |
3457 | write_marker_function_name (outf_p of, type_p s, const char *prefix) | |
3458 | { | |
3459 | if (union_or_struct_p (s)) | |
3460 | { | |
3461 | const char *id_for_tag = filter_type_name (s->u.s.tag); | |
3462 | oprintf (of, "gt_%sx_%s", prefix, id_for_tag); | |
3463 | if (id_for_tag != s->u.s.tag) | |
c3284718 | 3464 | free (CONST_CAST (char *, id_for_tag)); |
0823efed DN |
3465 | } |
3466 | else if (s->kind == TYPE_PARAM_STRUCT) | |
3467 | { | |
3468 | oprintf (of, "gt_%s_", prefix); | |
3469 | output_mangled_typename (of, s); | |
3470 | } | |
3471 | else | |
3472 | gcc_unreachable (); | |
3473 | } | |
3474 | ||
0823efed DN |
3475 | /* Write on OF a user-callable routine to act as an entry point for |
3476 | the marking routine for S, generated by write_func_for_structure. | |
3477 | PREFIX is the prefix to use to distinguish ggc and pch markers. */ | |
3478 | ||
3479 | static void | |
3480 | write_user_func_for_structure_ptr (outf_p of, type_p s, const char *prefix) | |
3481 | { | |
3482 | /* Parameterized structures are not supported in user markers. There | |
3483 | is no way for the marker function to know which specific type | |
3484 | to use to generate the call to the void * entry point. For | |
3485 | instance, a marker for struct htab may need to call different | |
3486 | routines to mark the fields, depending on the paramN_is attributes. | |
3487 | ||
3488 | A user-defined marker that accepts 'struct htab' as its argument | |
3489 | would not know which variant to call. Generating several entry | |
3490 | points accepting 'struct htab' would cause multiply-defined | |
3491 | errors during compilation. */ | |
3492 | gcc_assert (union_or_struct_p (s)); | |
3493 | ||
3494 | type_p alias_of = NULL; | |
3495 | for (options_p opt = s->u.s.opt; opt; opt = opt->next) | |
3496 | if (strcmp (opt->name, "ptr_alias") == 0) | |
3497 | { | |
3498 | /* ALIAS_OF is set if ORIG_S is marked "ptr_alias". This means that | |
3499 | we do not generate marking code for ORIG_S here. Instead, a | |
3500 | forwarder #define in gtype-desc.h will cause every call to its | |
3501 | marker to call the target of this alias. | |
3502 | ||
3503 | However, we still want to create a user entry code for the | |
3504 | aliased type. So, if ALIAS_OF is set, we only generate the | |
3505 | user-callable marker function. */ | |
3506 | alias_of = opt->info.type; | |
3507 | break; | |
3508 | } | |
3509 | ||
3510 | oprintf (of, "\nvoid\n"); | |
3511 | oprintf (of, "gt_%sx (", prefix); | |
3512 | write_type_decl (of, s); | |
3513 | oprintf (of, " *& x)\n"); | |
3514 | oprintf (of, "{\n"); | |
3515 | oprintf (of, " if (x)\n "); | |
3516 | write_marker_function_name (of, alias_of ? alias_of : s, prefix); | |
3517 | oprintf (of, " ((void *) x);\n"); | |
3518 | oprintf (of, "}\n"); | |
3519 | } | |
3520 | ||
3521 | ||
3522 | /* Write a function to mark all the fields of type S on OF. PREFIX | |
3523 | and D are as in write_user_marking_functions. */ | |
3524 | ||
3525 | static void | |
3526 | write_user_func_for_structure_body (type_p s, const char *prefix, | |
3527 | struct walk_type_data *d) | |
3528 | { | |
3529 | oprintf (d->of, "\nvoid\n"); | |
3530 | oprintf (d->of, "gt_%sx (", prefix); | |
3531 | write_type_decl (d->of, s); | |
3532 | oprintf (d->of, "& x_r ATTRIBUTE_UNUSED)\n"); | |
3533 | oprintf (d->of, "{\n"); | |
3534 | oprintf (d->of, " "); | |
3535 | write_type_decl (d->of, s); | |
3536 | oprintf (d->of, " * ATTRIBUTE_UNUSED x = &x_r;\n"); | |
3537 | d->val = "(*x)"; | |
3538 | d->indent = 2; | |
3539 | walk_type (s, d); | |
3540 | oprintf (d->of, "}\n"); | |
3541 | } | |
3542 | ||
3543 | ||
3544 | /* Emit the user-callable functions needed to mark all the types used | |
3545 | by the user structure S. PREFIX is the prefix to use to | |
3546 | distinguish ggc and pch markers. D contains data needed to pass to | |
3547 | walk_type when traversing the fields of a type. | |
3548 | ||
3549 | For every type T referenced by S, two routines are generated: one | |
3550 | that takes 'T *', marks the pointer and calls the second routine, | |
3551 | which just marks the fields of T. */ | |
3552 | ||
3553 | static void | |
3554 | write_user_marking_functions (type_p s, const char *prefix, | |
3555 | struct walk_type_data *d) | |
3556 | { | |
3557 | gcc_assert (s->kind == TYPE_USER_STRUCT); | |
3558 | ||
3559 | for (pair_p fld = s->u.s.fields; fld; fld = fld->next) | |
3560 | { | |
3561 | type_p fld_type = fld->type; | |
3562 | if (fld_type->kind == TYPE_POINTER) | |
3563 | { | |
3564 | type_p pointed_to_type = fld_type->u.p; | |
3565 | if (union_or_struct_p (pointed_to_type)) | |
3566 | write_user_func_for_structure_ptr (d->of, pointed_to_type, prefix); | |
3567 | } | |
3568 | else if (union_or_struct_p (fld_type)) | |
3569 | write_user_func_for_structure_body (fld_type, prefix, d); | |
3570 | } | |
3571 | } | |
3572 | ||
3573 | ||
17211ab5 GK |
3574 | /* For S, a structure that's part of ORIG_S, and using parameters |
3575 | PARAM, write out a routine that: | |
3576 | - Takes a parameter, a void * but actually of type *S | |
3577 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
e1b793e7 | 3578 | field of S or its substructures and (in some cases) things |
0823efed | 3579 | that are pointed to by S. */ |
9f313342 | 3580 | |
e2500fed | 3581 | static void |
8c80adb7 SB |
3582 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
3583 | const struct write_types_data *wtd) | |
e2500fed | 3584 | { |
36a5eadd GK |
3585 | const char *chain_next = NULL; |
3586 | const char *chain_prev = NULL; | |
623f8e39 | 3587 | const char *chain_circular = NULL; |
8d6419b2 | 3588 | const char *mark_hook_name = NULL; |
36a5eadd | 3589 | options_p opt; |
17211ab5 | 3590 | struct walk_type_data d; |
3d7aafde | 3591 | |
52a7fb3c | 3592 | if (s->u.s.base_class) |
32fe5271 DM |
3593 | { |
3594 | /* Verify that the base class has a "desc", since otherwise | |
3595 | the traversal hooks there won't attempt to visit fields of | |
3596 | subclasses such as this one. */ | |
3597 | const_type_p ubc = get_ultimate_base_class (s); | |
3598 | if ((!opts_have (ubc->u.s.opt, "user") | |
3599 | && !opts_have (ubc->u.s.opt, "desc"))) | |
3600 | error_at_line (&s->u.s.line, | |
3601 | ("'%s' is a subclass of non-GTY(user) GTY class '%s'" | |
3602 | ", but '%s' lacks a discriminator 'desc' option"), | |
3603 | s->u.s.tag, ubc->u.s.tag, ubc->u.s.tag); | |
3604 | ||
3605 | /* Don't write fns for subclasses, only for the ultimate base class | |
3606 | within an inheritance hierarchy. */ | |
3607 | return; | |
3608 | } | |
52a7fb3c | 3609 | |
17211ab5 | 3610 | memset (&d, 0, sizeof (d)); |
0277fabf | 3611 | d.of = get_output_file_for_structure (s, param); |
36a5eadd | 3612 | for (opt = s->u.s.opt; opt; opt = opt->next) |
412dc29d BS |
3613 | if (strcmp (opt->name, "chain_next") == 0 |
3614 | && opt->kind == OPTION_STRING) | |
3615 | chain_next = opt->info.string; | |
3616 | else if (strcmp (opt->name, "chain_prev") == 0 | |
3617 | && opt->kind == OPTION_STRING) | |
3618 | chain_prev = opt->info.string; | |
3619 | else if (strcmp (opt->name, "chain_circular") == 0 | |
3620 | && opt->kind == OPTION_STRING) | |
3621 | chain_circular = opt->info.string; | |
3622 | else if (strcmp (opt->name, "mark_hook") == 0 | |
3623 | && opt->kind == OPTION_STRING) | |
3624 | mark_hook_name = opt->info.string; | |
36a5eadd GK |
3625 | if (chain_prev != NULL && chain_next == NULL) |
3626 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
623f8e39 JJ |
3627 | if (chain_circular != NULL && chain_next != NULL) |
3628 | error_at_line (&s->u.s.line, "chain_circular with chain_next"); | |
3629 | if (chain_circular != NULL) | |
3630 | chain_next = chain_circular; | |
36a5eadd | 3631 | |
17211ab5 GK |
3632 | d.process_field = write_types_process_field; |
3633 | d.cookie = wtd; | |
3634 | d.orig_s = orig_s; | |
3635 | d.opt = s->u.s.opt; | |
3636 | d.line = &s->u.s.line; | |
3637 | d.bitmap = s->u.s.bitmap; | |
3638 | d.param = param; | |
3639 | d.prev_val[0] = "*x"; | |
e1b793e7 | 3640 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
3641 | d.prev_val[3] = "x"; |
3642 | d.val = "(*x)"; | |
3ad45f7f | 3643 | d.have_this_obj = false; |
17211ab5 GK |
3644 | |
3645 | oprintf (d.of, "\n"); | |
3646 | oprintf (d.of, "void\n"); | |
0823efed | 3647 | write_marker_function_name (d.of, orig_s, wtd->prefix); |
6906ba40 | 3648 | oprintf (d.of, " (void *x_p)\n"); |
0823efed DN |
3649 | oprintf (d.of, "{\n "); |
3650 | write_type_decl (d.of, s); | |
3651 | oprintf (d.of, " * %sx = (", chain_next == NULL ? "const " : ""); | |
3652 | write_type_decl (d.of, s); | |
3653 | oprintf (d.of, " *)x_p;\n"); | |
36a5eadd | 3654 | if (chain_next != NULL) |
0823efed | 3655 | { |
9771b263 DN |
3656 | /* TYPE_USER_STRUCTs should not occur here. These structures |
3657 | are completely handled by user code. */ | |
3658 | gcc_assert (orig_s->kind != TYPE_USER_STRUCT); | |
3659 | ||
0823efed DN |
3660 | oprintf (d.of, " "); |
3661 | write_type_decl (d.of, s); | |
3662 | oprintf (d.of, " * xlimit = x;\n"); | |
3663 | } | |
36a5eadd | 3664 | if (chain_next == NULL) |
17211ab5 GK |
3665 | { |
3666 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
3667 | if (wtd->param_prefix) | |
3668 | { | |
3669 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
3670 | output_mangled_typename (d.of, orig_s); | |
3671 | } | |
3672 | oprintf (d.of, "))\n"); | |
3673 | } | |
36a5eadd GK |
3674 | else |
3675 | { | |
623f8e39 JJ |
3676 | if (chain_circular != NULL) |
3677 | oprintf (d.of, " if (!%s (xlimit", wtd->marker_routine); | |
3678 | else | |
3679 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
17211ab5 GK |
3680 | if (wtd->param_prefix) |
3681 | { | |
3682 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
3683 | output_mangled_typename (d.of, orig_s); | |
3684 | } | |
3685 | oprintf (d.of, "))\n"); | |
623f8e39 JJ |
3686 | if (chain_circular != NULL) |
3687 | oprintf (d.of, " return;\n do\n"); | |
8d6419b2 BS |
3688 | if (mark_hook_name && !wtd->skip_hooks) |
3689 | { | |
3690 | oprintf (d.of, " {\n"); | |
3691 | oprintf (d.of, " %s (xlimit);\n ", mark_hook_name); | |
3692 | } | |
17211ab5 GK |
3693 | oprintf (d.of, " xlimit = ("); |
3694 | d.prev_val[2] = "*xlimit"; | |
3695 | output_escaped_param (&d, chain_next, "chain_next"); | |
3696 | oprintf (d.of, ");\n"); | |
8d6419b2 BS |
3697 | if (mark_hook_name && !wtd->skip_hooks) |
3698 | oprintf (d.of, " }\n"); | |
36a5eadd GK |
3699 | if (chain_prev != NULL) |
3700 | { | |
17211ab5 GK |
3701 | oprintf (d.of, " if (x != xlimit)\n"); |
3702 | oprintf (d.of, " for (;;)\n"); | |
3703 | oprintf (d.of, " {\n"); | |
3704 | oprintf (d.of, " %s %s * const xprev = (", | |
36a5eadd | 3705 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
3d7aafde | 3706 | |
17211ab5 GK |
3707 | d.prev_val[2] = "*x"; |
3708 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
3709 | oprintf (d.of, ");\n"); | |
3710 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
3711 | oprintf (d.of, " x = xprev;\n"); | |
e1b793e7 | 3712 | oprintf (d.of, " (void) %s (xprev", wtd->marker_routine); |
17211ab5 GK |
3713 | if (wtd->param_prefix) |
3714 | { | |
3715 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
3716 | output_mangled_typename (d.of, orig_s); | |
3717 | } | |
3718 | oprintf (d.of, ");\n"); | |
3719 | oprintf (d.of, " }\n"); | |
36a5eadd | 3720 | } |
623f8e39 JJ |
3721 | if (chain_circular != NULL) |
3722 | { | |
3723 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
3724 | if (wtd->param_prefix) | |
3725 | { | |
3726 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
3727 | output_mangled_typename (d.of, orig_s); | |
623f8e39 JJ |
3728 | } |
3729 | oprintf (d.of, "));\n"); | |
3730 | if (mark_hook_name && !wtd->skip_hooks) | |
3731 | oprintf (d.of, " %s (xlimit);\n", mark_hook_name); | |
3732 | oprintf (d.of, " do\n"); | |
3733 | } | |
3734 | else | |
3735 | oprintf (d.of, " while (x != xlimit)\n"); | |
36a5eadd | 3736 | } |
17211ab5 | 3737 | oprintf (d.of, " {\n"); |
8d6419b2 BS |
3738 | if (mark_hook_name && chain_next == NULL && !wtd->skip_hooks) |
3739 | { | |
3740 | oprintf (d.of, " %s (x);\n", mark_hook_name); | |
3741 | } | |
313465bb | 3742 | |
17211ab5 GK |
3743 | d.prev_val[2] = "*x"; |
3744 | d.indent = 6; | |
0823efed DN |
3745 | if (orig_s->kind != TYPE_USER_STRUCT) |
3746 | walk_type (s, &d); | |
3747 | else | |
3748 | { | |
3749 | /* User structures have no fields to walk. Simply generate a call | |
3750 | to the user-provided structure marker. */ | |
3751 | oprintf (d.of, "%*sgt_%sx (x);\n", d.indent, "", wtd->prefix); | |
3752 | } | |
3d7aafde | 3753 | |
36a5eadd GK |
3754 | if (chain_next != NULL) |
3755 | { | |
17211ab5 GK |
3756 | oprintf (d.of, " x = ("); |
3757 | output_escaped_param (&d, chain_next, "chain_next"); | |
3758 | oprintf (d.of, ");\n"); | |
36a5eadd GK |
3759 | } |
3760 | ||
17211ab5 | 3761 | oprintf (d.of, " }\n"); |
623f8e39 JJ |
3762 | if (chain_circular != NULL) |
3763 | oprintf (d.of, " while (x != xlimit);\n"); | |
17211ab5 | 3764 | oprintf (d.of, "}\n"); |
0823efed DN |
3765 | |
3766 | if (orig_s->kind == TYPE_USER_STRUCT) | |
3767 | write_user_marking_functions (orig_s, wtd->prefix, &d); | |
e2500fed | 3768 | } |
9f313342 | 3769 | |
0823efed | 3770 | |
9f313342 | 3771 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ |
e2500fed GK |
3772 | |
3773 | static void | |
0182d016 | 3774 | write_types (outf_p output_header, type_p structures, type_p param_structs, |
3d7aafde | 3775 | const struct write_types_data *wtd) |
e2500fed | 3776 | { |
1d32bbcd | 3777 | int nbfun = 0; /* Count the emitted functions. */ |
e2500fed | 3778 | type_p s; |
3d7aafde | 3779 | |
0182d016 | 3780 | oprintf (output_header, "\n/* %s*/\n", wtd->comment); |
0823efed | 3781 | |
c802b1cf BS |
3782 | /* We first emit the macros and the declarations. Functions' code is |
3783 | emitted afterwards. This is needed in plugin mode. */ | |
0823efed | 3784 | oprintf (output_header, "/* Macros and declarations. */\n"); |
e2500fed | 3785 | for (s = structures; s; s = s->next) |
52a7fb3c DM |
3786 | /* Do not emit handlers for derived classes; we only ever deal with |
3787 | the ultimate base class within an inheritance hierarchy. */ | |
3788 | if ((s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) | |
3789 | && !s->u.s.base_class) | |
e2500fed GK |
3790 | { |
3791 | options_p opt; | |
3d7aafde | 3792 | |
e1b793e7 | 3793 | if (s->gc_used == GC_MAYBE_POINTED_TO && s->u.s.line.file == NULL) |
e2500fed GK |
3794 | continue; |
3795 | ||
0823efed DN |
3796 | const char *s_id_for_tag = filter_type_name (s->u.s.tag); |
3797 | ||
0182d016 BS |
3798 | oprintf (output_header, "#define gt_%s_", wtd->prefix); |
3799 | output_mangled_typename (output_header, s); | |
3800 | oprintf (output_header, "(X) do { \\\n"); | |
3801 | oprintf (output_header, | |
3d7aafde | 3802 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
0823efed | 3803 | s_id_for_tag); |
e1b793e7 | 3804 | oprintf (output_header, " } while (0)\n"); |
3d7aafde | 3805 | |
e2500fed | 3806 | for (opt = s->u.s.opt; opt; opt = opt->next) |
412dc29d BS |
3807 | if (strcmp (opt->name, "ptr_alias") == 0 |
3808 | && opt->kind == OPTION_TYPE) | |
e2500fed | 3809 | { |
412dc29d | 3810 | const_type_p const t = (const_type_p) opt->info.type; |
3d7aafde | 3811 | if (t->kind == TYPE_STRUCT |
e1b793e7 | 3812 | || t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT) |
0823efed DN |
3813 | { |
3814 | const char *t_id_for_tag = filter_type_name (t->u.s.tag); | |
3815 | oprintf (output_header, | |
3816 | "#define gt_%sx_%s gt_%sx_%s\n", | |
3817 | wtd->prefix, s->u.s.tag, wtd->prefix, t_id_for_tag); | |
3818 | if (t_id_for_tag != t->u.s.tag) | |
c3284718 | 3819 | free (CONST_CAST (char *, t_id_for_tag)); |
0823efed | 3820 | } |
e2500fed | 3821 | else |
3d7aafde | 3822 | error_at_line (&s->u.s.line, |
e2500fed GK |
3823 | "structure alias is not a structure"); |
3824 | break; | |
3825 | } | |
3826 | if (opt) | |
3827 | continue; | |
3828 | ||
3829 | /* Declare the marker procedure only once. */ | |
0182d016 | 3830 | oprintf (output_header, |
3d7aafde | 3831 | "extern void gt_%sx_%s (void *);\n", |
0823efed DN |
3832 | wtd->prefix, s_id_for_tag); |
3833 | ||
3834 | if (s_id_for_tag != s->u.s.tag) | |
c3284718 | 3835 | free (CONST_CAST (char *, s_id_for_tag)); |
3d7aafde | 3836 | |
e2500fed GK |
3837 | if (s->u.s.line.file == NULL) |
3838 | { | |
3d7aafde | 3839 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
3840 | s->u.s.tag); |
3841 | continue; | |
3842 | } | |
e2500fed GK |
3843 | } |
3844 | ||
3845 | for (s = param_structs; s; s = s->next) | |
3846 | if (s->gc_used == GC_POINTED_TO) | |
3847 | { | |
e2500fed GK |
3848 | type_p stru = s->u.param_struct.stru; |
3849 | ||
e2500fed | 3850 | /* Declare the marker procedure. */ |
0182d016 BS |
3851 | oprintf (output_header, "extern void gt_%s_", wtd->prefix); |
3852 | output_mangled_typename (output_header, s); | |
3853 | oprintf (output_header, " (void *);\n"); | |
3d7aafde | 3854 | |
e2500fed GK |
3855 | if (stru->u.s.line.file == NULL) |
3856 | { | |
3d7aafde | 3857 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
88f4f86f | 3858 | stru->u.s.tag); |
e2500fed GK |
3859 | continue; |
3860 | } | |
c802b1cf | 3861 | } |
b8698a0f L |
3862 | |
3863 | /* At last we emit the functions code. */ | |
c802b1cf BS |
3864 | oprintf (output_header, "\n/* functions code */\n"); |
3865 | for (s = structures; s; s = s->next) | |
e1b793e7 | 3866 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
c802b1cf BS |
3867 | { |
3868 | options_p opt; | |
3d7aafde | 3869 | |
e1b793e7 | 3870 | if (s->gc_used == GC_MAYBE_POINTED_TO && s->u.s.line.file == NULL) |
c802b1cf BS |
3871 | continue; |
3872 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
3873 | if (strcmp (opt->name, "ptr_alias") == 0) | |
3874 | break; | |
3875 | if (opt) | |
3876 | continue; | |
b8698a0f | 3877 | |
c802b1cf BS |
3878 | if (s->kind == TYPE_LANG_STRUCT) |
3879 | { | |
3880 | type_p ss; | |
3881 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
1d32bbcd BS |
3882 | { |
3883 | nbfun++; | |
3884 | DBGPRINTF ("writing func #%d lang_struct ss @ %p '%s'", | |
3885 | nbfun, (void*) ss, ss->u.s.tag); | |
3886 | write_func_for_structure (s, ss, NULL, wtd); | |
3887 | } | |
c802b1cf BS |
3888 | } |
3889 | else | |
1d32bbcd BS |
3890 | { |
3891 | nbfun++; | |
3892 | DBGPRINTF ("writing func #%d struct s @ %p '%s'", | |
3893 | nbfun, (void*) s, s->u.s.tag); | |
3894 | write_func_for_structure (s, s, NULL, wtd); | |
3895 | } | |
c802b1cf | 3896 | } |
1d32bbcd BS |
3897 | else |
3898 | { | |
3899 | /* Structure s is not possibly pointed to, so can be ignored. */ | |
3900 | DBGPRINTF ("ignored s @ %p '%s' gc_used#%d", | |
3901 | (void*)s, s->u.s.tag, | |
3902 | (int) s->gc_used); | |
3903 | } | |
3904 | ||
c802b1cf BS |
3905 | for (s = param_structs; s; s = s->next) |
3906 | if (s->gc_used == GC_POINTED_TO) | |
3907 | { | |
3908 | type_p *param = s->u.param_struct.param; | |
3909 | type_p stru = s->u.param_struct.stru; | |
3910 | if (stru->u.s.line.file == NULL) | |
3911 | continue; | |
e2500fed GK |
3912 | if (stru->kind == TYPE_LANG_STRUCT) |
3913 | { | |
3914 | type_p ss; | |
3915 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
1d32bbcd BS |
3916 | { |
3917 | nbfun++; | |
3918 | DBGPRINTF ("writing func #%d param lang_struct ss @ %p '%s'", | |
3919 | nbfun, (void*) ss, ss->u.s.tag); | |
3920 | write_func_for_structure (s, ss, param, wtd); | |
3921 | } | |
17211ab5 GK |
3922 | } |
3923 | else | |
1d32bbcd BS |
3924 | { |
3925 | nbfun++; | |
3926 | DBGPRINTF ("writing func #%d param struct s @ %p stru @ %p '%s'", | |
3927 | nbfun, (void*) s, | |
3928 | (void*) stru, stru->u.s.tag); | |
3929 | write_func_for_structure (s, stru, param, wtd); | |
3930 | } | |
3931 | } | |
3932 | else | |
3933 | { | |
3934 | /* Param structure s is not pointed to, so should be ignored. */ | |
3935 | DBGPRINTF ("ignored s @ %p", (void*)s); | |
17211ab5 | 3936 | } |
1d32bbcd BS |
3937 | if (verbosity_level >= 2) |
3938 | printf ("%s emitted %d routines for %s\n", | |
3939 | progname, nbfun, wtd->comment); | |
17211ab5 GK |
3940 | } |
3941 | ||
e1b793e7 | 3942 | static const struct write_types_data ggc_wtd = { |
17211ab5 | 3943 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, |
8d6419b2 BS |
3944 | "GC marker procedures. ", |
3945 | FALSE | |
17211ab5 GK |
3946 | }; |
3947 | ||
e1b793e7 | 3948 | static const struct write_types_data pch_wtd = { |
17211ab5 GK |
3949 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", |
3950 | "gt_pch_note_reorder", | |
8d6419b2 BS |
3951 | "PCH type-walking procedures. ", |
3952 | TRUE | |
17211ab5 GK |
3953 | }; |
3954 | ||
3955 | /* Write out the local pointer-walking routines. */ | |
3956 | ||
0823efed DN |
3957 | /* process_field routine for local pointer-walking for user-callable |
3958 | routines. The difference between this and | |
3959 | write_types_local_process_field is that, in this case, we do not | |
3960 | need to check whether the given pointer matches the address of the | |
3961 | parent structure. This check was already generated by the call | |
3962 | to gt_pch_nx in the main gt_pch_p_*() function that is calling | |
3963 | this code. */ | |
3964 | ||
3965 | static void | |
3966 | write_types_local_user_process_field (type_p f, const struct walk_type_data *d) | |
3967 | { | |
3968 | switch (f->kind) | |
3969 | { | |
3970 | case TYPE_POINTER: | |
3971 | case TYPE_STRUCT: | |
3972 | case TYPE_UNION: | |
3973 | case TYPE_LANG_STRUCT: | |
3974 | case TYPE_PARAM_STRUCT: | |
3975 | case TYPE_STRING: | |
3976 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
3977 | break; | |
3978 | ||
3979 | case TYPE_USER_STRUCT: | |
3980 | if (d->in_ptr_field) | |
3981 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
3982 | else | |
3983 | oprintf (d->of, "%*s gt_pch_nx (&(%s), op, cookie);\n", | |
3984 | d->indent, "", d->val); | |
3985 | break; | |
3986 | ||
3987 | case TYPE_SCALAR: | |
3988 | break; | |
3989 | ||
9771b263 DN |
3990 | case TYPE_ARRAY: |
3991 | case TYPE_NONE: | |
3992 | case TYPE_UNDEFINED: | |
0823efed DN |
3993 | gcc_unreachable (); |
3994 | } | |
3995 | } | |
3996 | ||
3997 | ||
3998 | /* Write a function to PCH walk all the fields of type S on OF. | |
3999 | D contains data needed by walk_type to recurse into the fields of S. */ | |
4000 | ||
4001 | static void | |
4002 | write_pch_user_walking_for_structure_body (type_p s, struct walk_type_data *d) | |
4003 | { | |
4004 | oprintf (d->of, "\nvoid\n"); | |
4005 | oprintf (d->of, "gt_pch_nx ("); | |
4006 | write_type_decl (d->of, s); | |
4007 | oprintf (d->of, "* x ATTRIBUTE_UNUSED,\n" | |
4008 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
4009 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
4010 | oprintf (d->of, "{\n"); | |
4011 | d->val = "(*x)"; | |
4012 | d->indent = 2; | |
4013 | d->process_field = write_types_local_user_process_field; | |
4014 | walk_type (s, d); | |
4015 | oprintf (d->of, "}\n"); | |
4016 | } | |
4017 | ||
4018 | ||
4019 | /* Emit the user-callable functions needed to mark all the types used | |
4020 | by the user structure S. PREFIX is the prefix to use to | |
4021 | distinguish ggc and pch markers. CHAIN_NEXT is set if S has the | |
4022 | chain_next option defined. D contains data needed to pass to | |
4023 | walk_type when traversing the fields of a type. | |
4024 | ||
4025 | For every type T referenced by S, two routines are generated: one | |
4026 | that takes 'T *', marks the pointer and calls the second routine, | |
4027 | which just marks the fields of T. */ | |
4028 | ||
4029 | static void | |
4030 | write_pch_user_walking_functions (type_p s, struct walk_type_data *d) | |
4031 | { | |
4032 | gcc_assert (s->kind == TYPE_USER_STRUCT); | |
4033 | ||
4034 | for (pair_p fld = s->u.s.fields; fld; fld = fld->next) | |
4035 | { | |
4036 | type_p fld_type = fld->type; | |
4037 | if (union_or_struct_p (fld_type)) | |
4038 | write_pch_user_walking_for_structure_body (fld_type, d); | |
4039 | } | |
4040 | } | |
4041 | ||
4042 | ||
17211ab5 GK |
4043 | /* process_field routine for local pointer-walking. */ |
4044 | ||
4045 | static void | |
3d7aafde | 4046 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 | 4047 | { |
3ad45f7f | 4048 | gcc_assert (d->have_this_obj); |
17211ab5 GK |
4049 | switch (f->kind) |
4050 | { | |
4051 | case TYPE_POINTER: | |
4052 | case TYPE_STRUCT: | |
4053 | case TYPE_UNION: | |
4054 | case TYPE_LANG_STRUCT: | |
4055 | case TYPE_PARAM_STRUCT: | |
4056 | case TYPE_STRING: | |
4057 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
4058 | d->prev_val[3]); | |
4059 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
4060 | break; | |
4061 | ||
0823efed DN |
4062 | case TYPE_USER_STRUCT: |
4063 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
4064 | d->prev_val[3]); | |
4065 | if (d->in_ptr_field) | |
4066 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
4067 | else | |
4068 | oprintf (d->of, "%*s gt_pch_nx (&(%s), op, cookie);\n", | |
4069 | d->indent, "", d->val); | |
4070 | break; | |
4071 | ||
17211ab5 GK |
4072 | case TYPE_SCALAR: |
4073 | break; | |
3d7aafde | 4074 | |
9771b263 DN |
4075 | case TYPE_ARRAY: |
4076 | case TYPE_NONE: | |
4077 | case TYPE_UNDEFINED: | |
b2d59f6f | 4078 | gcc_unreachable (); |
17211ab5 GK |
4079 | } |
4080 | } | |
4081 | ||
0823efed | 4082 | |
17211ab5 GK |
4083 | /* For S, a structure that's part of ORIG_S, and using parameters |
4084 | PARAM, write out a routine that: | |
4085 | - Is of type gt_note_pointers | |
d8044160 | 4086 | - Calls PROCESS_FIELD on each field of S or its substructures. |
17211ab5 GK |
4087 | */ |
4088 | ||
4089 | static void | |
0277fabf | 4090 | write_local_func_for_structure (const_type_p orig_s, type_p s, type_p *param) |
17211ab5 | 4091 | { |
17211ab5 | 4092 | struct walk_type_data d; |
3d7aafde | 4093 | |
52a7fb3c DM |
4094 | /* Don't write fns for subclasses, only for the ultimate base class |
4095 | within an inheritance hierarchy. */ | |
4096 | if (s->u.s.base_class) | |
4097 | return; | |
4098 | ||
17211ab5 | 4099 | memset (&d, 0, sizeof (d)); |
0277fabf | 4100 | d.of = get_output_file_for_structure (s, param); |
17211ab5 GK |
4101 | d.process_field = write_types_local_process_field; |
4102 | d.opt = s->u.s.opt; | |
4103 | d.line = &s->u.s.line; | |
4104 | d.bitmap = s->u.s.bitmap; | |
4105 | d.param = param; | |
4106 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
e1b793e7 | 4107 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
4108 | d.prev_val[3] = "x"; |
4109 | d.val = "(*x)"; | |
d8044160 | 4110 | d.fn_wants_lvalue = true; |
17211ab5 GK |
4111 | |
4112 | oprintf (d.of, "\n"); | |
4113 | oprintf (d.of, "void\n"); | |
4114 | oprintf (d.of, "gt_pch_p_"); | |
4115 | output_mangled_typename (d.of, orig_s); | |
e18476eb BI |
4116 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
4117 | "\tvoid *x_p,\n" | |
4118 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
4119 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
17211ab5 | 4120 | oprintf (d.of, "{\n"); |
0823efed | 4121 | oprintf (d.of, " %s %s * x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", |
17211ab5 GK |
4122 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
4123 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
4124 | d.indent = 2; | |
3ad45f7f | 4125 | d.have_this_obj = true; |
0823efed DN |
4126 | |
4127 | if (s->kind != TYPE_USER_STRUCT) | |
4128 | walk_type (s, &d); | |
4129 | else | |
4130 | { | |
4131 | /* User structures have no fields to walk. Simply generate a | |
4132 | call to the user-provided PCH walker. */ | |
4133 | oprintf (d.of, "%*sif ((void *)(%s) == this_obj)\n", d.indent, "", | |
4134 | d.prev_val[3]); | |
4135 | oprintf (d.of, "%*s gt_pch_nx (&(%s), op, cookie);\n", | |
4136 | d.indent, "", d.val); | |
4137 | } | |
4138 | ||
17211ab5 | 4139 | oprintf (d.of, "}\n"); |
0823efed DN |
4140 | |
4141 | /* Write user-callable entry points for the PCH walking routines. */ | |
4142 | if (orig_s->kind == TYPE_USER_STRUCT) | |
4143 | write_pch_user_walking_functions (s, &d); | |
17211ab5 GK |
4144 | } |
4145 | ||
4146 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
4147 | ||
4148 | static void | |
0182d016 | 4149 | write_local (outf_p output_header, type_p structures, type_p param_structs) |
17211ab5 GK |
4150 | { |
4151 | type_p s; | |
3d7aafde | 4152 | |
b8698a0f | 4153 | if (!output_header) |
bd117bb6 | 4154 | return; |
0823efed | 4155 | |
0182d016 | 4156 | oprintf (output_header, "\n/* Local pointer-walking routines. */\n"); |
17211ab5 | 4157 | for (s = structures; s; s = s->next) |
e1b793e7 | 4158 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
17211ab5 GK |
4159 | { |
4160 | options_p opt; | |
3d7aafde | 4161 | |
17211ab5 GK |
4162 | if (s->u.s.line.file == NULL) |
4163 | continue; | |
412dc29d BS |
4164 | for (opt = s->u.s.opt; opt; opt = opt->next) |
4165 | if (strcmp (opt->name, "ptr_alias") == 0 | |
4166 | && opt->kind == OPTION_TYPE) | |
17211ab5 | 4167 | { |
412dc29d | 4168 | const_type_p const t = (const_type_p) opt->info.type; |
3d7aafde | 4169 | if (t->kind == TYPE_STRUCT |
e1b793e7 | 4170 | || t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT) |
17211ab5 | 4171 | { |
0182d016 BS |
4172 | oprintf (output_header, "#define gt_pch_p_"); |
4173 | output_mangled_typename (output_header, s); | |
4174 | oprintf (output_header, " gt_pch_p_"); | |
4175 | output_mangled_typename (output_header, t); | |
4176 | oprintf (output_header, "\n"); | |
17211ab5 GK |
4177 | } |
4178 | else | |
3d7aafde | 4179 | error_at_line (&s->u.s.line, |
17211ab5 GK |
4180 | "structure alias is not a structure"); |
4181 | break; | |
4182 | } | |
4183 | if (opt) | |
4184 | continue; | |
4185 | ||
4186 | /* Declare the marker procedure only once. */ | |
0182d016 BS |
4187 | oprintf (output_header, "extern void gt_pch_p_"); |
4188 | output_mangled_typename (output_header, s); | |
4189 | oprintf (output_header, | |
e1b793e7 | 4190 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
3d7aafde | 4191 | |
17211ab5 GK |
4192 | if (s->kind == TYPE_LANG_STRUCT) |
4193 | { | |
4194 | type_p ss; | |
4195 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
4196 | write_local_func_for_structure (s, ss, NULL); | |
4197 | } | |
4198 | else | |
4199 | write_local_func_for_structure (s, s, NULL); | |
4200 | } | |
4201 | ||
4202 | for (s = param_structs; s; s = s->next) | |
4203 | if (s->gc_used == GC_POINTED_TO) | |
4204 | { | |
e1b793e7 | 4205 | type_p *param = s->u.param_struct.param; |
17211ab5 GK |
4206 | type_p stru = s->u.param_struct.stru; |
4207 | ||
4208 | /* Declare the marker procedure. */ | |
0182d016 BS |
4209 | oprintf (output_header, "extern void gt_pch_p_"); |
4210 | output_mangled_typename (output_header, s); | |
4211 | oprintf (output_header, | |
e1b793e7 | 4212 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
3d7aafde | 4213 | |
17211ab5 GK |
4214 | if (stru->u.s.line.file == NULL) |
4215 | { | |
3d7aafde | 4216 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
88f4f86f | 4217 | stru->u.s.tag); |
17211ab5 GK |
4218 | continue; |
4219 | } | |
3d7aafde | 4220 | |
17211ab5 GK |
4221 | if (stru->kind == TYPE_LANG_STRUCT) |
4222 | { | |
4223 | type_p ss; | |
4224 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
4225 | write_local_func_for_structure (s, ss, param); | |
e2500fed GK |
4226 | } |
4227 | else | |
17211ab5 | 4228 | write_local_func_for_structure (s, stru, param); |
36a5eadd GK |
4229 | } |
4230 | } | |
4231 | ||
a9429e29 LB |
4232 | /* Nonzero if S is a type for which typed GC allocators should be output. */ |
4233 | ||
4234 | #define USED_BY_TYPED_GC_P(s) \ | |
0823efed DN |
4235 | ((s->kind == TYPE_POINTER \ |
4236 | && (s->u.p->gc_used == GC_POINTED_TO \ | |
4237 | || s->u.p->gc_used == GC_USED)) \ | |
4238 | || (union_or_struct_p (s) \ | |
4239 | && ((s)->gc_used == GC_POINTED_TO \ | |
4240 | || ((s)->gc_used == GC_MAYBE_POINTED_TO \ | |
4241 | && s->u.s.line.file != NULL) \ | |
4242 | || ((s)->gc_used == GC_USED \ | |
52a7fb3c DM |
4243 | && strncmp (s->u.s.tag, "anonymous", strlen ("anonymous"))) \ |
4244 | || (s->u.s.base_class && opts_have (s->u.s.opt, "tag"))))) | |
4245 | ||
a9429e29 LB |
4246 | |
4247 | ||
17211ab5 GK |
4248 | /* Might T contain any non-pointer elements? */ |
4249 | ||
4250 | static int | |
3d7aafde | 4251 | contains_scalar_p (type_p t) |
17211ab5 GK |
4252 | { |
4253 | switch (t->kind) | |
4254 | { | |
4255 | case TYPE_STRING: | |
4256 | case TYPE_POINTER: | |
4257 | return 0; | |
4258 | case TYPE_ARRAY: | |
4259 | return contains_scalar_p (t->u.a.p); | |
9771b263 DN |
4260 | case TYPE_USER_STRUCT: |
4261 | /* User-marked structures will typically contain pointers. */ | |
4262 | return 0; | |
17211ab5 GK |
4263 | default: |
4264 | /* Could also check for structures that have no non-pointer | |
e1b793e7 | 4265 | fields, but there aren't enough of those to worry about. */ |
17211ab5 GK |
4266 | return 1; |
4267 | } | |
4268 | } | |
36a5eadd | 4269 | |
14c4815e | 4270 | /* Mangle INPF and print it to F. */ |
9f313342 | 4271 | |
e2500fed | 4272 | static void |
14c4815e | 4273 | put_mangled_filename (outf_p f, const input_file *inpf) |
e2500fed | 4274 | { |
14c4815e BS |
4275 | /* The call to get_output_file_name may indirectly update fn since |
4276 | get_output_file_with_visibility caches its result inside, so we | |
4277 | need the CONST_CAST. */ | |
4278 | const char *name = get_output_file_name (CONST_CAST (input_file*, inpf)); | |
b8698a0f | 4279 | if (!f || !name) |
bd117bb6 | 4280 | return; |
e2500fed | 4281 | for (; *name != 0; name++) |
1f8e4682 | 4282 | if (ISALNUM (*name)) |
e03856fe | 4283 | oprintf (f, "%c", *name); |
e2500fed | 4284 | else |
e03856fe | 4285 | oprintf (f, "%c", '_'); |
e2500fed GK |
4286 | } |
4287 | ||
9f313342 GK |
4288 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
4289 | LASTNAME, and NAME are all strings to insert in various places in | |
4290 | the resulting code. */ | |
4291 | ||
e2500fed | 4292 | static void |
3d7aafde AJ |
4293 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
4294 | const char *tname, const char *name) | |
e2500fed GK |
4295 | { |
4296 | struct flist *fli2; | |
3d7aafde | 4297 | |
e2500fed GK |
4298 | for (fli2 = flp; fli2; fli2 = fli2->next) |
4299 | if (fli2->started_p) | |
4300 | { | |
e03856fe GK |
4301 | oprintf (fli2->f, " %s\n", lastname); |
4302 | oprintf (fli2->f, "};\n\n"); | |
e2500fed GK |
4303 | } |
4304 | ||
bd117bb6 | 4305 | for (fli2 = flp; fli2 && base_files; fli2 = fli2->next) |
e2500fed GK |
4306 | if (fli2->started_p) |
4307 | { | |
14c4815e | 4308 | lang_bitmap bitmap = get_lang_bitmap (fli2->file); |
e2500fed GK |
4309 | int fnum; |
4310 | ||
4311 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
4312 | if (bitmap & 1) | |
4313 | { | |
e03856fe | 4314 | oprintf (base_files[fnum], |
e1b793e7 | 4315 | "extern const struct %s gt_%s_", tname, pfx); |
14c4815e | 4316 | put_mangled_filename (base_files[fnum], fli2->file); |
e03856fe | 4317 | oprintf (base_files[fnum], "[];\n"); |
e2500fed GK |
4318 | } |
4319 | } | |
3d7aafde | 4320 | |
17211ab5 GK |
4321 | { |
4322 | size_t fnum; | |
bd117bb6 | 4323 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
e1b793e7 BS |
4324 | oprintf (base_files[fnum], |
4325 | "EXPORTED_CONST struct %s * const %s[] = {\n", tname, name); | |
17211ab5 | 4326 | } |
3d7aafde | 4327 | |
e2500fed GK |
4328 | |
4329 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
4330 | if (fli2->started_p) | |
4331 | { | |
14c4815e | 4332 | lang_bitmap bitmap = get_lang_bitmap (fli2->file); |
e2500fed GK |
4333 | int fnum; |
4334 | ||
4335 | fli2->started_p = 0; | |
4336 | ||
bd117bb6 | 4337 | for (fnum = 0; base_files && bitmap != 0; fnum++, bitmap >>= 1) |
e2500fed GK |
4338 | if (bitmap & 1) |
4339 | { | |
17211ab5 | 4340 | oprintf (base_files[fnum], " gt_%s_", pfx); |
14c4815e | 4341 | put_mangled_filename (base_files[fnum], fli2->file); |
e03856fe | 4342 | oprintf (base_files[fnum], ",\n"); |
e2500fed GK |
4343 | } |
4344 | } | |
4345 | ||
4346 | { | |
17211ab5 | 4347 | size_t fnum; |
bd117bb6 | 4348 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
17211ab5 GK |
4349 | { |
4350 | oprintf (base_files[fnum], " NULL\n"); | |
4351 | oprintf (base_files[fnum], "};\n"); | |
4352 | } | |
e2500fed GK |
4353 | } |
4354 | } | |
4355 | ||
b08e0339 RS |
4356 | /* Write the first three fields (pointer, count and stride) for |
4357 | root NAME to F. V and LINE are as for write_root. | |
4358 | ||
4359 | Return true if the entry could be written; return false on error. */ | |
4360 | ||
4361 | static bool | |
4362 | start_root_entry (outf_p f, pair_p v, const char *name, struct fileloc *line) | |
4363 | { | |
4364 | type_p ap; | |
4365 | ||
4366 | if (!v) | |
4367 | { | |
4368 | error_at_line (line, "`%s' is too complex to be a root", name); | |
4369 | return false; | |
4370 | } | |
4371 | ||
4372 | oprintf (f, " {\n"); | |
4373 | oprintf (f, " &%s,\n", name); | |
4374 | oprintf (f, " 1"); | |
4375 | ||
4376 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
4377 | if (ap->u.a.len[0]) | |
4378 | oprintf (f, " * (%s)", ap->u.a.len); | |
4379 | else if (ap == v->type) | |
4380 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); | |
4381 | oprintf (f, ",\n"); | |
4382 | oprintf (f, " sizeof (%s", v->name); | |
4383 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
4384 | oprintf (f, "[0]"); | |
4385 | oprintf (f, "),\n"); | |
4386 | return true; | |
4387 | } | |
4388 | ||
647565f6 RS |
4389 | /* A subroutine of write_root for writing the roots for field FIELD_NAME, |
4390 | which has type FIELD_TYPE. Parameters F to EMIT_PCH are the parameters | |
4391 | of the caller. */ | |
4392 | ||
4393 | static void | |
4394 | write_field_root (outf_p f, pair_p v, type_p type, const char *name, | |
4395 | int has_length, struct fileloc *line, const char *if_marked, | |
4396 | bool emit_pch, type_p field_type, const char *field_name) | |
4397 | { | |
47598145 | 4398 | struct pair newv; |
647565f6 RS |
4399 | /* If the field reference is relative to V, rather than to some |
4400 | subcomponent of V, we can mark any subarrays with a single stride. | |
4401 | We're effectively treating the field as a global variable in its | |
4402 | own right. */ | |
b08e0339 | 4403 | if (v && type == v->type) |
647565f6 | 4404 | { |
647565f6 RS |
4405 | newv = *v; |
4406 | newv.type = field_type; | |
4407 | newv.name = ACONCAT ((v->name, ".", field_name, NULL)); | |
4408 | v = &newv; | |
4409 | } | |
4410 | /* Otherwise, any arrays nested in the structure are too complex to | |
4411 | handle. */ | |
4412 | else if (field_type->kind == TYPE_ARRAY) | |
b08e0339 | 4413 | v = NULL; |
647565f6 RS |
4414 | write_root (f, v, field_type, ACONCAT ((name, ".", field_name, NULL)), |
4415 | has_length, line, if_marked, emit_pch); | |
4416 | } | |
4417 | ||
9f313342 | 4418 | /* Write out to F the table entry and any marker routines needed to |
b08e0339 RS |
4419 | mark NAME as TYPE. V can be one of three values: |
4420 | ||
f8ed6dc5 JS |
4421 | - null, if NAME is too complex to represent using a single |
4422 | count and stride. In this case, it is an error for NAME to | |
4423 | contain any gc-ed data. | |
b08e0339 | 4424 | |
f8ed6dc5 | 4425 | - the outermost array that contains NAME, if NAME is part of an array. |
b08e0339 | 4426 | |
f8ed6dc5 | 4427 | - the C variable that contains NAME, if NAME is not part of an array. |
b08e0339 RS |
4428 | |
4429 | LINE is the line of the C source that declares the root variable. | |
9f313342 GK |
4430 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED |
4431 | is nonzero iff we are building the root table for hash table caches. */ | |
4432 | ||
e2500fed | 4433 | static void |
3d7aafde | 4434 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
99be7084 | 4435 | struct fileloc *line, const char *if_marked, bool emit_pch) |
e2500fed GK |
4436 | { |
4437 | switch (type->kind) | |
4438 | { | |
4439 | case TYPE_STRUCT: | |
4440 | { | |
4441 | pair_p fld; | |
4442 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
4443 | { | |
4444 | int skip_p = 0; | |
4445 | const char *desc = NULL; | |
4446 | options_p o; | |
3d7aafde | 4447 | |
e2500fed GK |
4448 | for (o = fld->opt; o; o = o->next) |
4449 | if (strcmp (o->name, "skip") == 0) | |
4450 | skip_p = 1; | |
412dc29d BS |
4451 | else if (strcmp (o->name, "desc") == 0 |
4452 | && o->kind == OPTION_STRING) | |
4453 | desc = o->info.string; | |
69c32ec8 JH |
4454 | else if (strcmp (o->name, "param_is") == 0) |
4455 | ; | |
e2500fed GK |
4456 | else |
4457 | error_at_line (line, | |
e1b793e7 | 4458 | "field `%s' of global `%s' has unknown option `%s'", |
e2500fed | 4459 | fld->name, name, o->name); |
3d7aafde | 4460 | |
e2500fed GK |
4461 | if (skip_p) |
4462 | continue; | |
4463 | else if (desc && fld->type->kind == TYPE_UNION) | |
4464 | { | |
4465 | pair_p validf = NULL; | |
4466 | pair_p ufld; | |
3d7aafde | 4467 | |
e2500fed GK |
4468 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
4469 | { | |
4470 | const char *tag = NULL; | |
4471 | options_p oo; | |
412dc29d BS |
4472 | for (oo = ufld->opt; oo; oo = oo->next) |
4473 | if (strcmp (oo->name, "tag") == 0 | |
4474 | && oo->kind == OPTION_STRING) | |
4475 | tag = oo->info.string; | |
e2500fed GK |
4476 | if (tag == NULL || strcmp (tag, desc) != 0) |
4477 | continue; | |
4478 | if (validf != NULL) | |
3d7aafde | 4479 | error_at_line (line, |
e1b793e7 | 4480 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
e2500fed | 4481 | name, fld->name, validf->name, |
e1b793e7 | 4482 | name, fld->name, ufld->name, tag); |
e2500fed GK |
4483 | validf = ufld; |
4484 | } | |
4485 | if (validf != NULL) | |
647565f6 RS |
4486 | write_field_root (f, v, type, name, 0, line, if_marked, |
4487 | emit_pch, validf->type, | |
4488 | ACONCAT ((fld->name, ".", | |
4489 | validf->name, NULL))); | |
e2500fed GK |
4490 | } |
4491 | else if (desc) | |
3d7aafde | 4492 | error_at_line (line, |
e1b793e7 | 4493 | "global `%s.%s' has `desc' option but is not union", |
e2500fed GK |
4494 | name, fld->name); |
4495 | else | |
647565f6 RS |
4496 | write_field_root (f, v, type, name, 0, line, if_marked, |
4497 | emit_pch, fld->type, fld->name); | |
e2500fed GK |
4498 | } |
4499 | } | |
4500 | break; | |
4501 | ||
4502 | case TYPE_ARRAY: | |
4503 | { | |
4504 | char *newname; | |
e03856fe | 4505 | newname = xasprintf ("%s[0]", name); |
99be7084 BS |
4506 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked, |
4507 | emit_pch); | |
e2500fed GK |
4508 | free (newname); |
4509 | } | |
4510 | break; | |
3d7aafde | 4511 | |
0823efed | 4512 | case TYPE_USER_STRUCT: |
9771b263 DN |
4513 | error_at_line (line, "`%s' must be a pointer type, because it is " |
4514 | "a GC root and its type is marked with GTY((user))", | |
4515 | v->name); | |
0823efed DN |
4516 | break; |
4517 | ||
e2500fed GK |
4518 | case TYPE_POINTER: |
4519 | { | |
32fe5271 | 4520 | const_type_p tp; |
b08e0339 RS |
4521 | |
4522 | if (!start_root_entry (f, v, name, line)) | |
4523 | return; | |
3d7aafde | 4524 | |
e2500fed | 4525 | tp = type->u.p; |
3d7aafde | 4526 | |
0823efed | 4527 | if (!has_length && union_or_struct_p (tp)) |
e2500fed | 4528 | { |
32fe5271 | 4529 | tp = get_ultimate_base_class (tp); |
0823efed DN |
4530 | const char *id_for_tag = filter_type_name (tp->u.s.tag); |
4531 | oprintf (f, " >_ggc_mx_%s,\n", id_for_tag); | |
99be7084 | 4532 | if (emit_pch) |
0823efed | 4533 | oprintf (f, " >_pch_nx_%s", id_for_tag); |
99be7084 BS |
4534 | else |
4535 | oprintf (f, " NULL"); | |
0823efed | 4536 | if (id_for_tag != tp->u.s.tag) |
c3284718 | 4537 | free (CONST_CAST (char *, id_for_tag)); |
e2500fed | 4538 | } |
e1b793e7 | 4539 | else if (!has_length && tp->kind == TYPE_PARAM_STRUCT) |
e2500fed | 4540 | { |
36a5eadd GK |
4541 | oprintf (f, " >_ggc_m_"); |
4542 | output_mangled_typename (f, tp); | |
99be7084 BS |
4543 | if (emit_pch) |
4544 | { | |
4545 | oprintf (f, ",\n >_pch_n_"); | |
4546 | output_mangled_typename (f, tp); | |
4547 | } | |
4548 | else | |
4549 | oprintf (f, ",\n NULL"); | |
e2500fed GK |
4550 | } |
4551 | else if (has_length | |
0823efed | 4552 | && (tp->kind == TYPE_POINTER || union_or_struct_p (tp))) |
e2500fed | 4553 | { |
17211ab5 | 4554 | oprintf (f, " >_ggc_ma_%s,\n", name); |
99be7084 BS |
4555 | if (emit_pch) |
4556 | oprintf (f, " >_pch_na_%s", name); | |
4557 | else | |
4558 | oprintf (f, " NULL"); | |
e2500fed GK |
4559 | } |
4560 | else | |
4561 | { | |
3d7aafde | 4562 | error_at_line (line, |
e2500fed GK |
4563 | "global `%s' is pointer to unimplemented type", |
4564 | name); | |
4565 | } | |
4566 | if (if_marked) | |
e03856fe GK |
4567 | oprintf (f, ",\n &%s", if_marked); |
4568 | oprintf (f, "\n },\n"); | |
e2500fed GK |
4569 | } |
4570 | break; | |
4571 | ||
e2500fed | 4572 | case TYPE_STRING: |
17211ab5 | 4573 | { |
b08e0339 RS |
4574 | if (!start_root_entry (f, v, name, line)) |
4575 | return; | |
4576 | ||
dae4174e | 4577 | oprintf (f, " (gt_pointer_walker) >_ggc_m_S,\n"); |
f099d360 | 4578 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
17211ab5 GK |
4579 | oprintf (f, " },\n"); |
4580 | } | |
4581 | break; | |
3d7aafde | 4582 | |
17211ab5 | 4583 | case TYPE_SCALAR: |
e2500fed | 4584 | break; |
3d7aafde | 4585 | |
9771b263 DN |
4586 | case TYPE_NONE: |
4587 | case TYPE_UNDEFINED: | |
4588 | case TYPE_UNION: | |
4589 | case TYPE_LANG_STRUCT: | |
4590 | case TYPE_PARAM_STRUCT: | |
e1b793e7 | 4591 | error_at_line (line, "global `%s' is unimplemented type", name); |
e2500fed GK |
4592 | } |
4593 | } | |
4594 | ||
17211ab5 GK |
4595 | /* This generates a routine to walk an array. */ |
4596 | ||
4597 | static void | |
3d7aafde | 4598 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
17211ab5 GK |
4599 | { |
4600 | struct walk_type_data d; | |
4601 | char *prevval3; | |
3d7aafde | 4602 | |
17211ab5 GK |
4603 | memset (&d, 0, sizeof (d)); |
4604 | d.of = f; | |
4605 | d.cookie = wtd; | |
4606 | d.indent = 2; | |
4607 | d.line = &v->line; | |
4608 | d.opt = v->opt; | |
11a67599 | 4609 | d.bitmap = get_lang_bitmap (v->line.file); |
17211ab5 GK |
4610 | d.param = NULL; |
4611 | ||
4612 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
4613 | ||
4614 | if (wtd->param_prefix) | |
4615 | { | |
4616 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
e1b793e7 | 4617 | oprintf (f, " (void *, void *, gt_pointer_operator, void *);\n"); |
e18476eb | 4618 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
17211ab5 | 4619 | wtd->param_prefix, v->name); |
e18476eb BI |
4620 | oprintf (d.of, |
4621 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
4622 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
4623 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
17211ab5 GK |
4624 | oprintf (d.of, "{\n"); |
4625 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
4626 | d.process_field = write_types_local_process_field; | |
3ad45f7f | 4627 | d.have_this_obj = true; |
17211ab5 GK |
4628 | walk_type (v->type, &d); |
4629 | oprintf (f, "}\n\n"); | |
4630 | } | |
4631 | ||
4632 | d.opt = v->opt; | |
e1b793e7 | 4633 | oprintf (f, "static void gt_%sa_%s (void *);\n", wtd->prefix, v->name); |
e18476eb | 4634 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
17211ab5 | 4635 | wtd->prefix, v->name); |
17211ab5 GK |
4636 | oprintf (f, "{\n"); |
4637 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
4638 | d.process_field = write_types_process_field; | |
3ad45f7f | 4639 | d.have_this_obj = false; |
17211ab5 GK |
4640 | walk_type (v->type, &d); |
4641 | free (prevval3); | |
4642 | oprintf (f, "}\n\n"); | |
4643 | } | |
4644 | ||
9f313342 GK |
4645 | /* Output a table describing the locations and types of VARIABLES. */ |
4646 | ||
e2500fed | 4647 | static void |
99be7084 | 4648 | write_roots (pair_p variables, bool emit_pch) |
e2500fed GK |
4649 | { |
4650 | pair_p v; | |
4651 | struct flist *flp = NULL; | |
4652 | ||
4653 | for (v = variables; v; v = v->next) | |
4654 | { | |
14c4815e BS |
4655 | outf_p f = |
4656 | get_output_file_with_visibility (CONST_CAST (input_file*, | |
4657 | v->line.file)); | |
e2500fed GK |
4658 | struct flist *fli; |
4659 | const char *length = NULL; | |
4660 | int deletable_p = 0; | |
4661 | options_p o; | |
e2500fed | 4662 | for (o = v->opt; o; o = o->next) |
412dc29d BS |
4663 | if (strcmp (o->name, "length") == 0 |
4664 | && o->kind == OPTION_STRING) | |
4665 | length = o->info.string; | |
e2500fed GK |
4666 | else if (strcmp (o->name, "deletable") == 0) |
4667 | deletable_p = 1; | |
4668 | else if (strcmp (o->name, "param_is") == 0) | |
4669 | ; | |
3d7aafde | 4670 | else if (strncmp (o->name, "param", 5) == 0 |
e1b793e7 | 4671 | && ISDIGIT (o->name[5]) && strcmp (o->name + 6, "_is") == 0) |
36a5eadd | 4672 | ; |
e2500fed GK |
4673 | else if (strcmp (o->name, "if_marked") == 0) |
4674 | ; | |
4675 | else | |
3d7aafde | 4676 | error_at_line (&v->line, |
e2500fed GK |
4677 | "global `%s' has unknown option `%s'", |
4678 | v->name, o->name); | |
4679 | ||
4680 | for (fli = flp; fli; fli = fli->next) | |
bd117bb6 | 4681 | if (fli->f == f && f) |
e2500fed GK |
4682 | break; |
4683 | if (fli == NULL) | |
4684 | { | |
5d038c4c | 4685 | fli = XNEW (struct flist); |
e2500fed GK |
4686 | fli->f = f; |
4687 | fli->next = flp; | |
4688 | fli->started_p = 0; | |
14c4815e BS |
4689 | fli->file = v->line.file; |
4690 | gcc_assert (fli->file); | |
e2500fed GK |
4691 | flp = fli; |
4692 | ||
e03856fe | 4693 | oprintf (f, "\n/* GC roots. */\n\n"); |
e2500fed GK |
4694 | } |
4695 | ||
e1b793e7 | 4696 | if (!deletable_p |
e2500fed GK |
4697 | && length |
4698 | && v->type->kind == TYPE_POINTER | |
4699 | && (v->type->u.p->kind == TYPE_POINTER | |
4700 | || v->type->u.p->kind == TYPE_STRUCT)) | |
4701 | { | |
17211ab5 GK |
4702 | write_array (f, v, &ggc_wtd); |
4703 | write_array (f, v, &pch_wtd); | |
e2500fed GK |
4704 | } |
4705 | } | |
4706 | ||
4707 | for (v = variables; v; v = v->next) | |
4708 | { | |
14c4815e BS |
4709 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4710 | v->line.file)); | |
e2500fed GK |
4711 | struct flist *fli; |
4712 | int skip_p = 0; | |
4713 | int length_p = 0; | |
4714 | options_p o; | |
3d7aafde | 4715 | |
e2500fed GK |
4716 | for (o = v->opt; o; o = o->next) |
4717 | if (strcmp (o->name, "length") == 0) | |
4718 | length_p = 1; | |
4719 | else if (strcmp (o->name, "deletable") == 0 | |
4720 | || strcmp (o->name, "if_marked") == 0) | |
4721 | skip_p = 1; | |
4722 | ||
4723 | if (skip_p) | |
4724 | continue; | |
4725 | ||
4726 | for (fli = flp; fli; fli = fli->next) | |
4727 | if (fli->f == f) | |
4728 | break; | |
e1b793e7 | 4729 | if (!fli->started_p) |
e2500fed GK |
4730 | { |
4731 | fli->started_p = 1; | |
4732 | ||
6bc7bc14 | 4733 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_r_"); |
e2500fed | 4734 | put_mangled_filename (f, v->line.file); |
e03856fe | 4735 | oprintf (f, "[] = {\n"); |
e2500fed GK |
4736 | } |
4737 | ||
99be7084 | 4738 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
e2500fed GK |
4739 | } |
4740 | ||
3d7aafde | 4741 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
4742 | "gt_ggc_rtab"); |
4743 | ||
4744 | for (v = variables; v; v = v->next) | |
4745 | { | |
14c4815e BS |
4746 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4747 | v->line.file)); | |
e2500fed GK |
4748 | struct flist *fli; |
4749 | int skip_p = 1; | |
4750 | options_p o; | |
4751 | ||
4752 | for (o = v->opt; o; o = o->next) | |
4753 | if (strcmp (o->name, "deletable") == 0) | |
4754 | skip_p = 0; | |
4755 | else if (strcmp (o->name, "if_marked") == 0) | |
4756 | skip_p = 1; | |
4757 | ||
4758 | if (skip_p) | |
4759 | continue; | |
4760 | ||
4761 | for (fli = flp; fli; fli = fli->next) | |
4762 | if (fli->f == f) | |
4763 | break; | |
e1b793e7 | 4764 | if (!fli->started_p) |
e2500fed GK |
4765 | { |
4766 | fli->started_p = 1; | |
4767 | ||
6bc7bc14 | 4768 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_rd_"); |
e2500fed | 4769 | put_mangled_filename (f, v->line.file); |
e03856fe | 4770 | oprintf (f, "[] = {\n"); |
e2500fed | 4771 | } |
3d7aafde | 4772 | |
17211ab5 | 4773 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
e2500fed GK |
4774 | v->name, v->name); |
4775 | } | |
3d7aafde | 4776 | |
17211ab5 | 4777 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
4778 | "gt_ggc_deletable_rtab"); |
4779 | ||
4780 | for (v = variables; v; v = v->next) | |
4781 | { | |
14c4815e BS |
4782 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4783 | v->line.file)); | |
e2500fed GK |
4784 | struct flist *fli; |
4785 | const char *if_marked = NULL; | |
4786 | int length_p = 0; | |
4787 | options_p o; | |
3d7aafde | 4788 | |
e2500fed GK |
4789 | for (o = v->opt; o; o = o->next) |
4790 | if (strcmp (o->name, "length") == 0) | |
4791 | length_p = 1; | |
412dc29d BS |
4792 | else if (strcmp (o->name, "if_marked") == 0 |
4793 | && o->kind == OPTION_STRING) | |
4794 | if_marked = o->info.string; | |
4795 | if (if_marked == NULL) | |
e2500fed | 4796 | continue; |
e2500fed GK |
4797 | if (v->type->kind != TYPE_POINTER |
4798 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
0823efed DN |
4799 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", |
4800 | TYPE_STRUCT)) | |
e2500fed | 4801 | { |
e1b793e7 BS |
4802 | error_at_line (&v->line, |
4803 | "if_marked option used but not hash table"); | |
e2500fed GK |
4804 | continue; |
4805 | } | |
4806 | ||
4807 | for (fli = flp; fli; fli = fli->next) | |
4808 | if (fli->f == f) | |
4809 | break; | |
e1b793e7 | 4810 | if (!fli->started_p) |
e2500fed GK |
4811 | { |
4812 | fli->started_p = 1; | |
4813 | ||
6bc7bc14 | 4814 | oprintf (f, "EXPORTED_CONST struct ggc_cache_tab gt_ggc_rc_"); |
e2500fed | 4815 | put_mangled_filename (f, v->line.file); |
e03856fe | 4816 | oprintf (f, "[] = {\n"); |
e2500fed | 4817 | } |
3d7aafde | 4818 | |
17211ab5 | 4819 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
99be7084 | 4820 | v->name, length_p, &v->line, if_marked, emit_pch); |
e2500fed | 4821 | } |
3d7aafde | 4822 | |
17211ab5 | 4823 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
e2500fed | 4824 | "gt_ggc_cache_rtab"); |
17211ab5 | 4825 | |
99be7084 BS |
4826 | if (!emit_pch) |
4827 | return; | |
4828 | ||
17211ab5 GK |
4829 | for (v = variables; v; v = v->next) |
4830 | { | |
14c4815e BS |
4831 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4832 | v->line.file)); | |
17211ab5 GK |
4833 | struct flist *fli; |
4834 | int length_p = 0; | |
4835 | int if_marked_p = 0; | |
4836 | options_p o; | |
3d7aafde | 4837 | |
17211ab5 GK |
4838 | for (o = v->opt; o; o = o->next) |
4839 | if (strcmp (o->name, "length") == 0) | |
4840 | length_p = 1; | |
4841 | else if (strcmp (o->name, "if_marked") == 0) | |
4842 | if_marked_p = 1; | |
4843 | ||
e1b793e7 | 4844 | if (!if_marked_p) |
17211ab5 GK |
4845 | continue; |
4846 | ||
4847 | for (fli = flp; fli; fli = fli->next) | |
4848 | if (fli->f == f) | |
4849 | break; | |
e1b793e7 | 4850 | if (!fli->started_p) |
17211ab5 GK |
4851 | { |
4852 | fli->started_p = 1; | |
4853 | ||
6bc7bc14 | 4854 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rc_"); |
17211ab5 GK |
4855 | put_mangled_filename (f, v->line.file); |
4856 | oprintf (f, "[] = {\n"); | |
4857 | } | |
4858 | ||
99be7084 | 4859 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
17211ab5 | 4860 | } |
3d7aafde | 4861 | |
17211ab5 GK |
4862 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
4863 | "gt_pch_cache_rtab"); | |
4864 | ||
4865 | for (v = variables; v; v = v->next) | |
4866 | { | |
14c4815e BS |
4867 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4868 | v->line.file)); | |
17211ab5 GK |
4869 | struct flist *fli; |
4870 | int skip_p = 0; | |
4871 | options_p o; | |
4872 | ||
4873 | for (o = v->opt; o; o = o->next) | |
4874 | if (strcmp (o->name, "deletable") == 0 | |
4875 | || strcmp (o->name, "if_marked") == 0) | |
bcb97fbd PCC |
4876 | { |
4877 | skip_p = 1; | |
4878 | break; | |
4879 | } | |
17211ab5 GK |
4880 | |
4881 | if (skip_p) | |
4882 | continue; | |
4883 | ||
e1b793e7 | 4884 | if (!contains_scalar_p (v->type)) |
17211ab5 GK |
4885 | continue; |
4886 | ||
4887 | for (fli = flp; fli; fli = fli->next) | |
4888 | if (fli->f == f) | |
4889 | break; | |
e1b793e7 | 4890 | if (!fli->started_p) |
17211ab5 GK |
4891 | { |
4892 | fli->started_p = 1; | |
4893 | ||
6bc7bc14 | 4894 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rs_"); |
17211ab5 GK |
4895 | put_mangled_filename (f, v->line.file); |
4896 | oprintf (f, "[] = {\n"); | |
4897 | } | |
3d7aafde | 4898 | |
17211ab5 GK |
4899 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
4900 | v->name, v->name); | |
4901 | } | |
3d7aafde | 4902 | |
17211ab5 GK |
4903 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
4904 | "gt_pch_scalar_rtab"); | |
e2500fed | 4905 | } |
a9429e29 LB |
4906 | |
4907 | /* TRUE if type S has the GTY variable_size annotation. */ | |
4908 | ||
4909 | static bool | |
4910 | variable_size_p (const type_p s) | |
4911 | { | |
4912 | options_p o; | |
4913 | for (o = s->u.s.opt; o; o = o->next) | |
4914 | if (strcmp (o->name, "variable_size") == 0) | |
4915 | return true; | |
4916 | return false; | |
4917 | } | |
4918 | ||
e1b793e7 BS |
4919 | enum alloc_quantity |
4920 | { single, vector }; | |
a9429e29 | 4921 | |
ecbb6fb7 BS |
4922 | /* Writes one typed allocator definition into output F for type |
4923 | identifier TYPE_NAME with optional type specifier TYPE_SPECIFIER. | |
4924 | The allocator name will contain ALLOCATOR_TYPE. If VARIABLE_SIZE | |
4925 | is true, the allocator will have an extra parameter specifying | |
4926 | number of bytes to allocate. If QUANTITY is set to VECTOR, a | |
cd030c07 | 4927 | vector allocator will be output. */ |
a9429e29 LB |
4928 | |
4929 | static void | |
ecbb6fb7 BS |
4930 | write_typed_alloc_def (outf_p f, |
4931 | bool variable_size, const char *type_specifier, | |
4932 | const char *type_name, const char *allocator_type, | |
cd030c07 | 4933 | enum alloc_quantity quantity) |
a9429e29 LB |
4934 | { |
4935 | bool two_args = variable_size && (quantity == vector); | |
ecbb6fb7 | 4936 | gcc_assert (f != NULL); |
0823efed DN |
4937 | const char *type_name_as_id = filter_type_name (type_name); |
4938 | oprintf (f, "#define ggc_alloc_%s%s", allocator_type, type_name_as_id); | |
cd030c07 | 4939 | oprintf (f, "(%s%s%s) ", |
a9429e29 LB |
4940 | (variable_size ? "SIZE" : ""), |
4941 | (two_args ? ", " : ""), | |
cd030c07 | 4942 | (quantity == vector) ? "n" : ""); |
ecbb6fb7 BS |
4943 | oprintf (f, "((%s%s *)", type_specifier, type_name); |
4944 | oprintf (f, "(ggc_internal_%salloc_stat (", allocator_type); | |
a9429e29 | 4945 | if (variable_size) |
ecbb6fb7 | 4946 | oprintf (f, "SIZE"); |
a9429e29 | 4947 | else |
ecbb6fb7 | 4948 | oprintf (f, "sizeof (%s%s)", type_specifier, type_name); |
a9429e29 | 4949 | if (quantity == vector) |
ecbb6fb7 BS |
4950 | oprintf (f, ", n"); |
4951 | oprintf (f, " MEM_STAT_INFO)))\n"); | |
0823efed | 4952 | if (type_name_as_id != type_name) |
c3284718 | 4953 | free (CONST_CAST (char *, type_name_as_id)); |
a9429e29 LB |
4954 | } |
4955 | ||
ecbb6fb7 BS |
4956 | /* Writes a typed allocator definition into output F for a struct or |
4957 | union S, with a given ALLOCATOR_TYPE and QUANTITY for ZONE. */ | |
a9429e29 LB |
4958 | |
4959 | static void | |
ecbb6fb7 BS |
4960 | write_typed_struct_alloc_def (outf_p f, |
4961 | const type_p s, const char *allocator_type, | |
cd030c07 | 4962 | enum alloc_quantity quantity) |
a9429e29 | 4963 | { |
0823efed | 4964 | gcc_assert (union_or_struct_p (s)); |
ecbb6fb7 | 4965 | write_typed_alloc_def (f, variable_size_p (s), get_type_specifier (s), |
cd030c07 | 4966 | s->u.s.tag, allocator_type, quantity); |
a9429e29 LB |
4967 | } |
4968 | ||
ecbb6fb7 BS |
4969 | /* Writes a typed allocator definition into output F for a typedef P, |
4970 | with a given ALLOCATOR_TYPE and QUANTITY for ZONE. */ | |
a9429e29 LB |
4971 | |
4972 | static void | |
ecbb6fb7 BS |
4973 | write_typed_typedef_alloc_def (outf_p f, |
4974 | const pair_p p, const char *allocator_type, | |
cd030c07 | 4975 | enum alloc_quantity quantity) |
a9429e29 | 4976 | { |
ecbb6fb7 | 4977 | write_typed_alloc_def (f, variable_size_p (p->type), "", p->name, |
cd030c07 | 4978 | allocator_type, quantity); |
a9429e29 LB |
4979 | } |
4980 | ||
ecbb6fb7 BS |
4981 | /* Writes typed allocator definitions into output F for the types in |
4982 | STRUCTURES and TYPEDEFS that are used by GC. */ | |
a9429e29 LB |
4983 | |
4984 | static void | |
ecbb6fb7 BS |
4985 | write_typed_alloc_defns (outf_p f, |
4986 | const type_p structures, const pair_p typedefs) | |
a9429e29 LB |
4987 | { |
4988 | type_p s; | |
4989 | pair_p p; | |
4990 | ||
ecbb6fb7 BS |
4991 | gcc_assert (f != NULL); |
4992 | oprintf (f, | |
a9429e29 LB |
4993 | "\n/* Allocators for known structs and unions. */\n\n"); |
4994 | for (s = structures; s; s = s->next) | |
4995 | { | |
4996 | if (!USED_BY_TYPED_GC_P (s)) | |
4997 | continue; | |
0823efed | 4998 | gcc_assert (union_or_struct_p (s)); |
fbb20b29 BS |
4999 | /* In plugin mode onput output ggc_alloc macro definitions |
5000 | relevant to plugin input files. */ | |
5001 | if (nb_plugin_files > 0 | |
5002 | && ((s->u.s.line.file == NULL) || !s->u.s.line.file->inpisplugin)) | |
5003 | continue; | |
cd030c07 DN |
5004 | write_typed_struct_alloc_def (f, s, "", single); |
5005 | write_typed_struct_alloc_def (f, s, "cleared_", single); | |
5006 | write_typed_struct_alloc_def (f, s, "vec_", vector); | |
5007 | write_typed_struct_alloc_def (f, s, "cleared_vec_", vector); | |
a9429e29 LB |
5008 | } |
5009 | ||
ecbb6fb7 | 5010 | oprintf (f, "\n/* Allocators for known typedefs. */\n"); |
a9429e29 LB |
5011 | for (p = typedefs; p; p = p->next) |
5012 | { | |
5013 | s = p->type; | |
5014 | if (!USED_BY_TYPED_GC_P (s) || (strcmp (p->name, s->u.s.tag) == 0)) | |
5015 | continue; | |
fbb20b29 BS |
5016 | /* In plugin mode onput output ggc_alloc macro definitions |
5017 | relevant to plugin input files. */ | |
5018 | if (nb_plugin_files > 0) | |
5019 | { | |
c3284718 | 5020 | struct fileloc* filoc = type_fileloc (s); |
fbb20b29 BS |
5021 | if (!filoc || !filoc->file->inpisplugin) |
5022 | continue; | |
5023 | }; | |
cd030c07 DN |
5024 | write_typed_typedef_alloc_def (f, p, "", single); |
5025 | write_typed_typedef_alloc_def (f, p, "cleared_", single); | |
5026 | write_typed_typedef_alloc_def (f, p, "vec_", vector); | |
5027 | write_typed_typedef_alloc_def (f, p, "cleared_vec_", vector); | |
a9429e29 LB |
5028 | } |
5029 | } | |
5030 | ||
5031 | /* Prints not-as-ugly version of a typename of T to OF. Trades the uniquness | |
5032 | guaranteee for somewhat increased readability. If name conflicts do happen, | |
5033 | this funcion will have to be adjusted to be more like | |
5034 | output_mangled_typename. */ | |
5035 | ||
5036 | static void | |
5037 | output_typename (outf_p of, const_type_p t) | |
5038 | { | |
5039 | switch (t->kind) | |
5040 | { | |
5041 | case TYPE_STRING: | |
5042 | oprintf (of, "str"); | |
5043 | break; | |
5044 | case TYPE_SCALAR: | |
5045 | oprintf (of, "scalar"); | |
5046 | break; | |
5047 | case TYPE_POINTER: | |
5048 | output_typename (of, t->u.p); | |
5049 | break; | |
5050 | case TYPE_STRUCT: | |
0823efed | 5051 | case TYPE_USER_STRUCT: |
a9429e29 LB |
5052 | case TYPE_UNION: |
5053 | case TYPE_LANG_STRUCT: | |
5054 | oprintf (of, "%s", t->u.s.tag); | |
5055 | break; | |
5056 | case TYPE_PARAM_STRUCT: | |
5057 | { | |
5058 | int i; | |
5059 | for (i = 0; i < NUM_PARAM; i++) | |
e1b793e7 BS |
5060 | if (t->u.param_struct.param[i] != NULL) |
5061 | { | |
5062 | output_typename (of, t->u.param_struct.param[i]); | |
5063 | oprintf (of, "_"); | |
5064 | } | |
a9429e29 LB |
5065 | output_typename (of, t->u.param_struct.stru); |
5066 | break; | |
5067 | } | |
9771b263 DN |
5068 | case TYPE_NONE: |
5069 | case TYPE_UNDEFINED: | |
5070 | case TYPE_ARRAY: | |
e1b793e7 | 5071 | gcc_unreachable (); |
a9429e29 LB |
5072 | } |
5073 | } | |
5074 | ||
5075 | /* Writes a typed GC allocator for type S that is suitable as a callback for | |
5076 | the splay tree implementation in libiberty. */ | |
5077 | ||
5078 | static void | |
5079 | write_splay_tree_allocator_def (const_type_p s) | |
5080 | { | |
90aa3e91 | 5081 | outf_p of = get_output_file_with_visibility (NULL); |
a9429e29 LB |
5082 | oprintf (of, "void * ggc_alloc_splay_tree_"); |
5083 | output_typename (of, s); | |
5084 | oprintf (of, " (int sz, void * nl)\n"); | |
5085 | oprintf (of, "{\n"); | |
cd030c07 | 5086 | oprintf (of, " return ggc_splay_alloc (sz, nl);\n"); |
a9429e29 LB |
5087 | oprintf (of, "}\n\n"); |
5088 | } | |
5089 | ||
5090 | /* Writes typed GC allocators for PARAM_STRUCTS that are suitable as callbacks | |
5091 | for the splay tree implementation in libiberty. */ | |
5092 | ||
5093 | static void | |
5094 | write_splay_tree_allocators (const_type_p param_structs) | |
5095 | { | |
5096 | const_type_p s; | |
5097 | ||
5098 | oprintf (header_file, "\n/* Splay tree callback allocators. */\n"); | |
5099 | for (s = param_structs; s; s = s->next) | |
5100 | if (s->gc_used == GC_POINTED_TO) | |
5101 | { | |
5102 | oprintf (header_file, "extern void * ggc_alloc_splay_tree_"); | |
5103 | output_typename (header_file, s); | |
5104 | oprintf (header_file, " (int, void *);\n"); | |
5105 | write_splay_tree_allocator_def (s); | |
5106 | } | |
5107 | } | |
5108 | ||
0277fabf LB |
5109 | #define INDENT 2 |
5110 | ||
5111 | /* Dumps the value of typekind KIND. */ | |
5112 | ||
5113 | static void | |
5114 | dump_typekind (int indent, enum typekind kind) | |
5115 | { | |
5116 | printf ("%*ckind = ", indent, ' '); | |
5117 | switch (kind) | |
5118 | { | |
e1b793e7 BS |
5119 | case TYPE_SCALAR: |
5120 | printf ("TYPE_SCALAR"); | |
5121 | break; | |
5122 | case TYPE_STRING: | |
5123 | printf ("TYPE_STRING"); | |
5124 | break; | |
5125 | case TYPE_STRUCT: | |
5126 | printf ("TYPE_STRUCT"); | |
5127 | break; | |
9771b263 DN |
5128 | case TYPE_UNDEFINED: |
5129 | printf ("TYPE_UNDEFINED"); | |
5130 | break; | |
0823efed DN |
5131 | case TYPE_USER_STRUCT: |
5132 | printf ("TYPE_USER_STRUCT"); | |
5133 | break; | |
e1b793e7 BS |
5134 | case TYPE_UNION: |
5135 | printf ("TYPE_UNION"); | |
5136 | break; | |
5137 | case TYPE_POINTER: | |
5138 | printf ("TYPE_POINTER"); | |
5139 | break; | |
5140 | case TYPE_ARRAY: | |
5141 | printf ("TYPE_ARRAY"); | |
5142 | break; | |
5143 | case TYPE_LANG_STRUCT: | |
5144 | printf ("TYPE_LANG_STRUCT"); | |
5145 | break; | |
5146 | case TYPE_PARAM_STRUCT: | |
5147 | printf ("TYPE_PARAM_STRUCT"); | |
5148 | break; | |
5149 | default: | |
5150 | gcc_unreachable (); | |
0277fabf LB |
5151 | } |
5152 | printf ("\n"); | |
5153 | } | |
5154 | ||
5155 | /* Dumps the value of GC_USED flag. */ | |
5156 | ||
5157 | static void | |
5158 | dump_gc_used (int indent, enum gc_used_enum gc_used) | |
5159 | { | |
5160 | printf ("%*cgc_used = ", indent, ' '); | |
5161 | switch (gc_used) | |
5162 | { | |
e1b793e7 BS |
5163 | case GC_UNUSED: |
5164 | printf ("GC_UNUSED"); | |
5165 | break; | |
5166 | case GC_USED: | |
5167 | printf ("GC_USED"); | |
5168 | break; | |
5169 | case GC_MAYBE_POINTED_TO: | |
5170 | printf ("GC_MAYBE_POINTED_TO"); | |
5171 | break; | |
5172 | case GC_POINTED_TO: | |
5173 | printf ("GC_POINTED_TO"); | |
5174 | break; | |
5175 | default: | |
5176 | gcc_unreachable (); | |
0277fabf LB |
5177 | } |
5178 | printf ("\n"); | |
5179 | } | |
5180 | ||
5181 | /* Dumps the type options OPT. */ | |
5182 | ||
5183 | static void | |
5184 | dump_options (int indent, options_p opt) | |
5185 | { | |
5186 | options_p o; | |
5187 | printf ("%*coptions = ", indent, ' '); | |
5188 | o = opt; | |
5189 | while (o) | |
5190 | { | |
412dc29d BS |
5191 | switch (o->kind) |
5192 | { | |
5193 | case OPTION_STRING: | |
5194 | printf ("%s:string %s ", o->name, o->info.string); | |
5195 | break; | |
5196 | case OPTION_TYPE: | |
5197 | printf ("%s:type ", o->name); | |
5198 | dump_type (indent+1, o->info.type); | |
5199 | break; | |
5200 | case OPTION_NESTED: | |
5201 | printf ("%s:nested ", o->name); | |
5202 | break; | |
5203 | case OPTION_NONE: | |
5204 | gcc_unreachable (); | |
5205 | } | |
e1b793e7 | 5206 | o = o->next; |
0277fabf LB |
5207 | } |
5208 | printf ("\n"); | |
5209 | } | |
5210 | ||
5211 | /* Dumps the source file location in LINE. */ | |
5212 | ||
5213 | static void | |
5214 | dump_fileloc (int indent, struct fileloc line) | |
5215 | { | |
14c4815e BS |
5216 | printf ("%*cfileloc: file = %s, line = %d\n", indent, ' ', |
5217 | get_input_file_name (line.file), | |
0277fabf LB |
5218 | line.line); |
5219 | } | |
5220 | ||
5221 | /* Recursively dumps the struct, union, or a language-specific | |
5222 | struct T. */ | |
5223 | ||
5224 | static void | |
5225 | dump_type_u_s (int indent, type_p t) | |
5226 | { | |
5227 | pair_p fields; | |
5228 | ||
0823efed | 5229 | gcc_assert (union_or_struct_p (t)); |
0277fabf LB |
5230 | printf ("%*cu.s.tag = %s\n", indent, ' ', t->u.s.tag); |
5231 | dump_fileloc (indent, t->u.s.line); | |
5232 | printf ("%*cu.s.fields =\n", indent, ' '); | |
5233 | fields = t->u.s.fields; | |
5234 | while (fields) | |
5235 | { | |
e1b793e7 BS |
5236 | dump_pair (indent + INDENT, fields); |
5237 | fields = fields->next; | |
0277fabf LB |
5238 | } |
5239 | printf ("%*cend of fields of type %p\n", indent, ' ', (void *) t); | |
5240 | dump_options (indent, t->u.s.opt); | |
5241 | printf ("%*cu.s.bitmap = %X\n", indent, ' ', t->u.s.bitmap); | |
5242 | if (t->kind == TYPE_LANG_STRUCT) | |
5243 | { | |
5244 | printf ("%*cu.s.lang_struct:\n", indent, ' '); | |
5245 | dump_type_list (indent + INDENT, t->u.s.lang_struct); | |
5246 | } | |
5247 | } | |
5248 | ||
5249 | /* Recursively dumps the array T. */ | |
5250 | ||
5251 | static void | |
5252 | dump_type_u_a (int indent, type_p t) | |
5253 | { | |
5254 | gcc_assert (t->kind == TYPE_ARRAY); | |
5255 | printf ("%*clen = %s, u.a.p:\n", indent, ' ', t->u.a.len); | |
5256 | dump_type_list (indent + INDENT, t->u.a.p); | |
5257 | } | |
5258 | ||
5259 | /* Recursively dumps the parameterized struct T. */ | |
5260 | ||
5261 | static void | |
5262 | dump_type_u_param_struct (int indent, type_p t) | |
5263 | { | |
5264 | int i; | |
5265 | gcc_assert (t->kind == TYPE_PARAM_STRUCT); | |
5266 | printf ("%*cu.param_struct.stru:\n", indent, ' '); | |
5267 | dump_type_list (indent, t->u.param_struct.stru); | |
5268 | dump_fileloc (indent, t->u.param_struct.line); | |
5269 | for (i = 0; i < NUM_PARAM; i++) | |
5270 | { | |
5271 | if (t->u.param_struct.param[i] == NULL) | |
5272 | continue; | |
5273 | printf ("%*cu.param_struct.param[%d]:\n", indent, ' ', i); | |
5274 | dump_type (indent + INDENT, t->u.param_struct.param[i]); | |
5275 | } | |
5276 | } | |
5277 | ||
5278 | /* Recursively dumps the type list T. */ | |
5279 | ||
5280 | static void | |
5281 | dump_type_list (int indent, type_p t) | |
5282 | { | |
5283 | type_p p = t; | |
5284 | while (p) | |
5285 | { | |
5286 | dump_type (indent, p); | |
5287 | p = p->next; | |
5288 | } | |
5289 | } | |
5290 | ||
5291 | static htab_t seen_types; | |
5292 | ||
5293 | /* Recursively dumps the type T if it was not dumped previously. */ | |
5294 | ||
5295 | static void | |
5296 | dump_type (int indent, type_p t) | |
5297 | { | |
5298 | PTR *slot; | |
5299 | ||
0823efed DN |
5300 | if (seen_types == NULL) |
5301 | seen_types = htab_create (100, htab_hash_pointer, htab_eq_pointer, NULL); | |
5302 | ||
e1b793e7 | 5303 | printf ("%*cType at %p: ", indent, ' ', (void *) t); |
0277fabf LB |
5304 | slot = htab_find_slot (seen_types, t, INSERT); |
5305 | if (*slot != NULL) | |
5306 | { | |
5307 | printf ("already seen.\n"); | |
5308 | return; | |
5309 | } | |
5310 | *slot = t; | |
5311 | printf ("\n"); | |
5312 | ||
5313 | dump_typekind (indent, t->kind); | |
5314 | printf ("%*cpointer_to = %p\n", indent + INDENT, ' ', | |
e1b793e7 | 5315 | (void *) t->pointer_to); |
0277fabf LB |
5316 | dump_gc_used (indent + INDENT, t->gc_used); |
5317 | switch (t->kind) | |
5318 | { | |
5319 | case TYPE_SCALAR: | |
5320 | printf ("%*cscalar_is_char = %s\n", indent + INDENT, ' ', | |
5321 | t->u.scalar_is_char ? "true" : "false"); | |
5322 | break; | |
5323 | case TYPE_STRING: | |
5324 | break; | |
5325 | case TYPE_STRUCT: | |
5326 | case TYPE_UNION: | |
5327 | case TYPE_LANG_STRUCT: | |
0823efed | 5328 | case TYPE_USER_STRUCT: |
0277fabf LB |
5329 | dump_type_u_s (indent + INDENT, t); |
5330 | break; | |
5331 | case TYPE_POINTER: | |
5332 | printf ("%*cp:\n", indent + INDENT, ' '); | |
5333 | dump_type (indent + INDENT, t->u.p); | |
5334 | break; | |
5335 | case TYPE_ARRAY: | |
5336 | dump_type_u_a (indent + INDENT, t); | |
5337 | break; | |
5338 | case TYPE_PARAM_STRUCT: | |
5339 | dump_type_u_param_struct (indent + INDENT, t); | |
5340 | break; | |
5341 | default: | |
5342 | gcc_unreachable (); | |
5343 | } | |
e1b793e7 | 5344 | printf ("%*cEnd of type at %p\n", indent, ' ', (void *) t); |
0277fabf LB |
5345 | } |
5346 | ||
5347 | /* Dumps the pair P. */ | |
5348 | ||
5349 | static void | |
5350 | dump_pair (int indent, pair_p p) | |
5351 | { | |
5352 | printf ("%*cpair: name = %s\n", indent, ' ', p->name); | |
5353 | dump_type (indent, p->type); | |
5354 | dump_fileloc (indent, p->line); | |
5355 | dump_options (indent, p->opt); | |
5356 | printf ("%*cEnd of pair %s\n", indent, ' ', p->name); | |
5357 | } | |
5358 | ||
5359 | /* Dumps the list of pairs PP. */ | |
5360 | ||
5361 | static void | |
e1b793e7 | 5362 | dump_pair_list (const char *name, pair_p pp) |
0277fabf LB |
5363 | { |
5364 | pair_p p; | |
5365 | printf ("%s:\n", name); | |
5366 | for (p = pp; p != NULL; p = p->next) | |
5367 | dump_pair (0, p); | |
5368 | printf ("End of %s\n\n", name); | |
5369 | } | |
5370 | ||
5371 | /* Dumps the STRUCTURES. */ | |
5372 | ||
5373 | static void | |
e1b793e7 | 5374 | dump_structures (const char *name, type_p structures) |
0277fabf LB |
5375 | { |
5376 | printf ("%s:\n", name); | |
5377 | dump_type_list (0, structures); | |
5378 | printf ("End of %s\n\n", name); | |
5379 | } | |
5380 | ||
92724e1d BS |
5381 | /* Dumps the internal structures of gengtype. This is useful to debug |
5382 | gengtype itself, or to understand what it does, e.g. for plugin | |
5383 | developers. */ | |
0277fabf LB |
5384 | |
5385 | static void | |
5386 | dump_everything (void) | |
5387 | { | |
0277fabf LB |
5388 | dump_pair_list ("typedefs", typedefs); |
5389 | dump_structures ("structures", structures); | |
5390 | dump_structures ("param_structs", param_structs); | |
5391 | dump_pair_list ("variables", variables); | |
0823efed DN |
5392 | |
5393 | /* Allocated with the first call to dump_type. */ | |
0277fabf LB |
5394 | htab_delete (seen_types); |
5395 | } | |
e2500fed | 5396 | \f |
e1b793e7 | 5397 | |
f8ed6dc5 JS |
5398 | |
5399 | /* Option specification for getopt_long. */ | |
5400 | static const struct option gengtype_long_options[] = { | |
5401 | {"help", no_argument, NULL, 'h'}, | |
5402 | {"version", no_argument, NULL, 'V'}, | |
1d32bbcd | 5403 | {"verbose", no_argument, NULL, 'v'}, |
f8ed6dc5 JS |
5404 | {"dump", no_argument, NULL, 'd'}, |
5405 | {"debug", no_argument, NULL, 'D'}, | |
5406 | {"plugin", required_argument, NULL, 'P'}, | |
5407 | {"srcdir", required_argument, NULL, 'S'}, | |
1d32bbcd | 5408 | {"backupdir", required_argument, NULL, 'B'}, |
f8ed6dc5 JS |
5409 | {"inputs", required_argument, NULL, 'I'}, |
5410 | {"read-state", required_argument, NULL, 'r'}, | |
5411 | {"write-state", required_argument, NULL, 'w'}, | |
5412 | /* Terminating NULL placeholder. */ | |
5413 | {NULL, no_argument, NULL, 0}, | |
5414 | }; | |
5415 | ||
5416 | ||
5417 | static void | |
5418 | print_usage (void) | |
5419 | { | |
5420 | printf ("Usage: %s\n", progname); | |
5421 | printf ("\t -h | --help " " \t# Give this help.\n"); | |
5422 | printf ("\t -D | --debug " | |
5423 | " \t# Give debug output to debug %s itself.\n", progname); | |
5424 | printf ("\t -V | --version " " \t# Give version information.\n"); | |
1d32bbcd | 5425 | printf ("\t -v | --verbose \t# Increase verbosity. Can be given several times.\n"); |
f8ed6dc5 JS |
5426 | printf ("\t -d | --dump " " \t# Dump state for debugging.\n"); |
5427 | printf ("\t -P | --plugin <output-file> <plugin-src> ... " | |
5428 | " \t# Generate for plugin.\n"); | |
5429 | printf ("\t -S | --srcdir <GCC-directory> " | |
5430 | " \t# Specify the GCC source directory.\n"); | |
1d32bbcd BS |
5431 | printf ("\t -B | --backupdir <directory> " |
5432 | " \t# Specify the backup directory for updated files.\n"); | |
f8ed6dc5 JS |
5433 | printf ("\t -I | --inputs <input-list> " |
5434 | " \t# Specify the file with source files list.\n"); | |
5435 | printf ("\t -w | --write-state <state-file> " " \t# Write a state file.\n"); | |
5436 | printf ("\t -r | --read-state <state-file> " " \t# Read a state file.\n"); | |
5437 | } | |
5438 | ||
5439 | static void | |
5440 | print_version (void) | |
5441 | { | |
5442 | printf ("%s %s%s\n", progname, pkgversion_string, version_string); | |
5443 | printf ("Report bugs: %s\n", bug_report_url); | |
5444 | } | |
5445 | ||
5446 | /* Parse the program options using getopt_long... */ | |
5447 | static void | |
5448 | parse_program_options (int argc, char **argv) | |
5449 | { | |
5450 | int opt = -1; | |
1d32bbcd | 5451 | while ((opt = getopt_long (argc, argv, "hVvdP:S:B:I:w:r:D", |
f8ed6dc5 JS |
5452 | gengtype_long_options, NULL)) >= 0) |
5453 | { | |
5454 | switch (opt) | |
5455 | { | |
5456 | case 'h': /* --help */ | |
5457 | print_usage (); | |
5458 | break; | |
5459 | case 'V': /* --version */ | |
5460 | print_version (); | |
5461 | break; | |
5462 | case 'd': /* --dump */ | |
5463 | do_dump = 1; | |
5464 | break; | |
5465 | case 'D': /* --debug */ | |
5466 | do_debug = 1; | |
5467 | break; | |
1d32bbcd BS |
5468 | case 'v': /* --verbose */ |
5469 | verbosity_level++; | |
5470 | break; | |
f8ed6dc5 JS |
5471 | case 'P': /* --plugin */ |
5472 | if (optarg) | |
5473 | plugin_output_filename = optarg; | |
5474 | else | |
5475 | fatal ("missing plugin output file name"); | |
5476 | break; | |
5477 | case 'S': /* --srcdir */ | |
5478 | if (optarg) | |
5479 | srcdir = optarg; | |
5480 | else | |
5481 | fatal ("missing source directory"); | |
5482 | srcdir_len = strlen (srcdir); | |
5483 | break; | |
1d32bbcd BS |
5484 | case 'B': /* --backupdir */ |
5485 | if (optarg) | |
5486 | backup_dir = optarg; | |
5487 | else | |
5488 | fatal ("missing backup directory"); | |
5489 | break; | |
f8ed6dc5 JS |
5490 | case 'I': /* --inputs */ |
5491 | if (optarg) | |
5492 | inputlist = optarg; | |
5493 | else | |
5494 | fatal ("missing input list"); | |
5495 | break; | |
5496 | case 'r': /* --read-state */ | |
5497 | if (optarg) | |
5498 | read_state_filename = optarg; | |
5499 | else | |
5500 | fatal ("missing read state file"); | |
5501 | DBGPRINTF ("read state %s\n", optarg); | |
5502 | break; | |
5503 | case 'w': /* --write-state */ | |
5504 | DBGPRINTF ("write state %s\n", optarg); | |
5505 | if (optarg) | |
5506 | write_state_filename = optarg; | |
5507 | else | |
5508 | fatal ("missing write state file"); | |
5509 | break; | |
5510 | default: | |
5511 | fprintf (stderr, "%s: unknown flag '%c'\n", progname, opt); | |
5512 | print_usage (); | |
5513 | fatal ("unexpected flag"); | |
5514 | } | |
5515 | }; | |
5516 | if (plugin_output_filename) | |
5517 | { | |
5518 | /* In plugin mode we require some input files. */ | |
5519 | int i = 0; | |
5520 | if (optind >= argc) | |
5521 | fatal ("no source files given in plugin mode"); | |
5522 | nb_plugin_files = argc - optind; | |
14c4815e | 5523 | plugin_files = XNEWVEC (input_file*, nb_plugin_files); |
f8ed6dc5 JS |
5524 | for (i = 0; i < (int) nb_plugin_files; i++) |
5525 | { | |
5526 | char *name = argv[i + optind]; | |
14c4815e | 5527 | plugin_files[i] = input_file_by_name (name); |
f8ed6dc5 JS |
5528 | } |
5529 | } | |
5530 | } | |
5531 | ||
5532 | ||
14c4815e BS |
5533 | \f |
5534 | /******* Manage input files. ******/ | |
5535 | ||
5536 | /* Hash table of unique input file names. */ | |
5537 | static htab_t input_file_htab; | |
5538 | ||
5539 | /* Find or allocate a new input_file by hash-consing it. */ | |
5540 | input_file* | |
5541 | input_file_by_name (const char* name) | |
5542 | { | |
5543 | PTR* slot; | |
5544 | input_file* f = NULL; | |
5545 | int namlen = 0; | |
5546 | if (!name) | |
5547 | return NULL; | |
5548 | namlen = strlen (name); | |
5549 | f = XCNEWVAR (input_file, sizeof (input_file)+namlen+2); | |
5550 | f->inpbitmap = 0; | |
5551 | f->inpoutf = NULL; | |
fbb20b29 | 5552 | f->inpisplugin = false; |
14c4815e BS |
5553 | strcpy (f->inpname, name); |
5554 | slot = htab_find_slot (input_file_htab, f, INSERT); | |
5555 | gcc_assert (slot != NULL); | |
5556 | if (*slot) | |
5557 | { | |
5558 | /* Already known input file. */ | |
5559 | free (f); | |
5560 | return (input_file*)(*slot); | |
5561 | } | |
5562 | /* New input file. */ | |
5563 | *slot = f; | |
5564 | return f; | |
5565 | } | |
5566 | ||
5567 | /* Hash table support routines for input_file-s. */ | |
5568 | static hashval_t | |
5569 | htab_hash_inputfile (const void *p) | |
5570 | { | |
5571 | const input_file *inpf = (const input_file *) p; | |
5572 | gcc_assert (inpf); | |
5573 | return htab_hash_string (get_input_file_name (inpf)); | |
5574 | } | |
5575 | ||
5576 | static int | |
5577 | htab_eq_inputfile (const void *x, const void *y) | |
5578 | { | |
5579 | const input_file *inpfx = (const input_file *) x; | |
5580 | const input_file *inpfy = (const input_file *) y; | |
5581 | gcc_assert (inpfx != NULL && inpfy != NULL); | |
ba78087b | 5582 | return !filename_cmp (get_input_file_name (inpfx), get_input_file_name (inpfy)); |
14c4815e BS |
5583 | } |
5584 | ||
5585 | ||
3d7aafde | 5586 | int |
11a67599 | 5587 | main (int argc, char **argv) |
e2500fed | 5588 | { |
11a67599 | 5589 | size_t i; |
f8ed6dc5 | 5590 | static struct fileloc pos = { NULL, 0 }; |
9b39cba9 | 5591 | outf_p output_header; |
11a67599 | 5592 | |
f8ed6dc5 JS |
5593 | /* Mandatory common initializations. */ |
5594 | progname = "gengtype"; /* For fatal and messages. */ | |
14c4815e BS |
5595 | /* Create the hash-table used to hash-cons input files. */ |
5596 | input_file_htab = | |
5597 | htab_create (800, htab_hash_inputfile, htab_eq_inputfile, NULL); | |
5598 | /* Initialize our special input files. */ | |
5599 | this_file = input_file_by_name (__FILE__); | |
5600 | system_h_file = input_file_by_name ("system.h"); | |
f8ed6dc5 JS |
5601 | /* Set the scalar_is_char union number for predefined scalar types. */ |
5602 | scalar_nonchar.u.scalar_is_char = FALSE; | |
5603 | scalar_char.u.scalar_is_char = TRUE; | |
5604 | ||
5605 | parse_program_options (argc, argv); | |
5606 | ||
5607 | #if ENABLE_CHECKING | |
5608 | if (do_debug) | |
0277fabf | 5609 | { |
f8ed6dc5 JS |
5610 | time_t now = (time_t) 0; |
5611 | time (&now); | |
5612 | DBGPRINTF ("gengtype started pid %d at %s", | |
5613 | (int) getpid (), ctime (&now)); | |
0277fabf | 5614 | } |
f8ed6dc5 | 5615 | #endif /* ENABLE_CHECKING */ |
0277fabf | 5616 | |
f8ed6dc5 JS |
5617 | /* Parse the input list and the input files. */ |
5618 | DBGPRINTF ("inputlist %s", inputlist); | |
5619 | if (read_state_filename) | |
bd117bb6 | 5620 | { |
92724e1d BS |
5621 | if (inputlist) |
5622 | fatal ("input list %s cannot be given with a read state file %s", | |
5623 | inputlist, read_state_filename); | |
5624 | read_state (read_state_filename); | |
5625 | DBGPRINT_COUNT_TYPE ("structures after read_state", structures); | |
5626 | DBGPRINT_COUNT_TYPE ("param_structs after read_state", param_structs); | |
bd117bb6 | 5627 | } |
f8ed6dc5 | 5628 | else if (inputlist) |
bd117bb6 | 5629 | { |
f8ed6dc5 JS |
5630 | /* These types are set up with #define or else outside of where |
5631 | we can see them. We should initialize them before calling | |
5632 | read_input_list. */ | |
b1d2d6b1 | 5633 | #define POS_HERE(Call) do { pos.file = this_file; pos.line = __LINE__; \ |
c3284718 | 5634 | Call;} while (0) |
b1d2d6b1 BS |
5635 | POS_HERE (do_scalar_typedef ("CUMULATIVE_ARGS", &pos)); |
5636 | POS_HERE (do_scalar_typedef ("REAL_VALUE_TYPE", &pos)); | |
5637 | POS_HERE (do_scalar_typedef ("FIXED_VALUE_TYPE", &pos)); | |
5638 | POS_HERE (do_scalar_typedef ("double_int", &pos)); | |
5639 | POS_HERE (do_scalar_typedef ("uint64_t", &pos)); | |
5640 | POS_HERE (do_scalar_typedef ("uint8", &pos)); | |
5973ae1a | 5641 | POS_HERE (do_scalar_typedef ("uintptr_t", &pos)); |
b1d2d6b1 BS |
5642 | POS_HERE (do_scalar_typedef ("jword", &pos)); |
5643 | POS_HERE (do_scalar_typedef ("JCF_u2", &pos)); | |
5644 | POS_HERE (do_scalar_typedef ("void", &pos)); | |
5645 | POS_HERE (do_typedef ("PTR", | |
5646 | create_pointer (resolve_typedef ("void", &pos)), | |
5647 | &pos)); | |
5648 | #undef POS_HERE | |
f8ed6dc5 JS |
5649 | read_input_list (inputlist); |
5650 | for (i = 0; i < num_gt_files; i++) | |
5651 | { | |
14c4815e BS |
5652 | parse_file (get_input_file_name (gt_files[i])); |
5653 | DBGPRINTF ("parsed file #%d %s", | |
5654 | (int) i, get_input_file_name (gt_files[i])); | |
f8ed6dc5 | 5655 | } |
1d32bbcd | 5656 | if (verbosity_level >= 1) |
92724e1d BS |
5657 | printf ("%s parsed %d files with %d GTY types\n", |
5658 | progname, (int) num_gt_files, type_count); | |
1d32bbcd | 5659 | |
f8ed6dc5 JS |
5660 | DBGPRINT_COUNT_TYPE ("structures after parsing", structures); |
5661 | DBGPRINT_COUNT_TYPE ("param_structs after parsing", param_structs); | |
5662 | ||
b8698a0f | 5663 | } |
bd117bb6 | 5664 | else |
f8ed6dc5 | 5665 | fatal ("either an input list or a read state file should be given"); |
11a67599 ZW |
5666 | if (hit_error) |
5667 | return 1; | |
5668 | ||
95161faf | 5669 | |
f8ed6dc5 JS |
5670 | if (plugin_output_filename) |
5671 | { | |
5672 | size_t ix = 0; | |
5673 | /* In plugin mode, we should have read a state file, and have | |
14c4815e | 5674 | given at least one plugin file. */ |
f8ed6dc5 JS |
5675 | if (!read_state_filename) |
5676 | fatal ("No read state given in plugin mode for %s", | |
5677 | plugin_output_filename); | |
5678 | ||
dad22268 | 5679 | if (nb_plugin_files == 0 || !plugin_files) |
f8ed6dc5 JS |
5680 | fatal ("No plugin files given in plugin mode for %s", |
5681 | plugin_output_filename); | |
5682 | ||
92724e1d | 5683 | /* Parse our plugin files and augment the state. */ |
f8ed6dc5 | 5684 | for (ix = 0; ix < nb_plugin_files; ix++) |
fbb20b29 BS |
5685 | { |
5686 | input_file* pluginput = plugin_files [ix]; | |
5687 | pluginput->inpisplugin = true; | |
5688 | parse_file (get_input_file_name (pluginput)); | |
5689 | } | |
f8ed6dc5 JS |
5690 | if (hit_error) |
5691 | return 1; | |
e2500fed | 5692 | |
f8ed6dc5 JS |
5693 | plugin_output = create_file ("GCC", plugin_output_filename); |
5694 | DBGPRINTF ("created plugin_output %p named %s", | |
5695 | (void *) plugin_output, plugin_output->name); | |
5696 | } | |
5697 | else | |
5698 | { /* No plugin files, we are in normal mode. */ | |
5699 | if (!srcdir) | |
5700 | fatal ("gengtype needs a source directory in normal mode"); | |
5701 | } | |
01d419ae | 5702 | if (hit_error) |
065ae611 | 5703 | return 1; |
e2500fed | 5704 | |
f8ed6dc5 JS |
5705 | gen_rtx_next (); |
5706 | ||
5707 | /* The call to set_gc_used may indirectly call find_param_structure | |
5708 | hence enlarge the param_structs list of types. */ | |
e2500fed GK |
5709 | set_gc_used (variables); |
5710 | ||
92724e1d BS |
5711 | /* The state at this point is read from the state input file or by |
5712 | parsing source files and optionally augmented by parsing plugin | |
5713 | source files. Write it now. */ | |
f8ed6dc5 JS |
5714 | if (write_state_filename) |
5715 | { | |
92724e1d BS |
5716 | DBGPRINT_COUNT_TYPE ("structures before write_state", structures); |
5717 | DBGPRINT_COUNT_TYPE ("param_structs before write_state", param_structs); | |
5718 | ||
5719 | if (hit_error) | |
5720 | fatal ("didn't write state file %s after errors", | |
5721 | write_state_filename); | |
5722 | ||
5723 | DBGPRINTF ("before write_state %s", write_state_filename); | |
5724 | write_state (write_state_filename); | |
5725 | ||
5726 | if (do_dump) | |
5727 | dump_everything (); | |
5728 | ||
5729 | /* After having written the state file we return immediately to | |
5730 | avoid generating any output file. */ | |
5731 | if (hit_error) | |
5732 | return 1; | |
5733 | else | |
5734 | return 0; | |
f8ed6dc5 JS |
5735 | } |
5736 | ||
5737 | ||
e2500fed | 5738 | open_base_files (); |
f8ed6dc5 | 5739 | |
9b39cba9 | 5740 | output_header = plugin_output ? plugin_output : header_file; |
ecbb6fb7 | 5741 | write_typed_alloc_defns (output_header, structures, typedefs); |
f8ed6dc5 JS |
5742 | DBGPRINT_COUNT_TYPE ("structures before write_types outputheader", |
5743 | structures); | |
5744 | DBGPRINT_COUNT_TYPE ("param_structs before write_types outputheader", | |
5745 | param_structs); | |
5746 | ||
9b39cba9 | 5747 | write_types (output_header, structures, param_structs, &ggc_wtd); |
ea2ca633 | 5748 | if (plugin_files == NULL) |
99be7084 | 5749 | { |
f8ed6dc5 JS |
5750 | DBGPRINT_COUNT_TYPE ("structures before write_types headerfil", |
5751 | structures); | |
5752 | DBGPRINT_COUNT_TYPE ("param_structs before write_types headerfil", | |
5753 | param_structs); | |
99be7084 BS |
5754 | write_types (header_file, structures, param_structs, &pch_wtd); |
5755 | write_local (header_file, structures, param_structs); | |
5756 | } | |
a9429e29 | 5757 | write_splay_tree_allocators (param_structs); |
ea2ca633 | 5758 | write_roots (variables, plugin_files == NULL); |
36a5eadd | 5759 | write_rtx_next (); |
e2500fed GK |
5760 | close_output_files (); |
5761 | ||
0277fabf LB |
5762 | if (do_dump) |
5763 | dump_everything (); | |
5764 | ||
f8ed6dc5 | 5765 | /* Don't bother about free-ing any input or plugin file, etc. */ |
9f78bf05 | 5766 | |
01d419ae ZW |
5767 | if (hit_error) |
5768 | return 1; | |
5769 | return 0; | |
e2500fed | 5770 | } |