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Commit | Line | Data |
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e2500fed | 1 | /* Process source files and output type information. |
2b1c5433 | 2 | Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
62e5bf5d | 3 | Free Software Foundation, Inc. |
e2500fed | 4 | |
9dcd6f09 | 5 | This file is part of GCC. |
e2500fed | 6 | |
9dcd6f09 NC |
7 | GCC is free software; you can redistribute it and/or modify it under |
8 | the terms of the GNU General Public License as published by the Free | |
9 | Software Foundation; either version 3, or (at your option) any later | |
10 | version. | |
e2500fed | 11 | |
9dcd6f09 NC |
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
e2500fed | 16 | |
9dcd6f09 NC |
17 | You should have received a copy of the GNU General Public License |
18 | along with GCC; see the file COPYING3. If not see | |
19 | <http://www.gnu.org/licenses/>. */ | |
e2500fed | 20 | |
f142b5bc | 21 | #ifdef GENERATOR_FILE |
4977bab6 | 22 | #include "bconfig.h" |
f142b5bc RG |
23 | #else |
24 | #include "config.h" | |
25 | #endif | |
e2500fed | 26 | #include "system.h" |
e1b793e7 | 27 | #include "errors.h" /* for fatal */ |
f8ed6dc5 | 28 | #include "getopt.h" |
df582833 | 29 | #include "double-int.h" |
f8ed6dc5 | 30 | #include "version.h" /* for version_string & pkgversion_string. */ |
0277fabf | 31 | #include "hashtab.h" |
81ae7e14 JS |
32 | #include "xregex.h" |
33 | #include "obstack.h" | |
f8ed6dc5 | 34 | #include "gengtype.h" |
ba78087b | 35 | #include "filenames.h" |
5ba6918e | 36 | |
065ae611 ZW |
37 | /* Data types, macros, etc. used only in this file. */ |
38 | ||
065ae611 ZW |
39 | |
40 | /* The list of output files. */ | |
f8ed6dc5 JS |
41 | outf_p output_files; |
42 | ||
43 | /* The output header file that is included into pretty much every | |
44 | source file. */ | |
45 | outf_p header_file; | |
46 | ||
47 | ||
48 | /* The name of the file containing the list of input files. */ | |
49 | static char *inputlist; | |
065ae611 | 50 | |
bd117bb6 | 51 | /* The plugin input files and their number; in that case only |
c802b1cf | 52 | a single file is produced. */ |
14c4815e | 53 | static input_file **plugin_files; |
9f78bf05 | 54 | static size_t nb_plugin_files; |
f8ed6dc5 JS |
55 | |
56 | /* The generated plugin output file and name. */ | |
9b39cba9 | 57 | static outf_p plugin_output; |
f8ed6dc5 | 58 | static char *plugin_output_filename; |
bd117bb6 | 59 | |
f8ed6dc5 JS |
60 | /* Our source directory and its length. */ |
61 | const char *srcdir; | |
62 | size_t srcdir_len; | |
065ae611 | 63 | |
f8ed6dc5 JS |
64 | /* Variables used for reading and writing the state. */ |
65 | const char *read_state_filename; | |
66 | const char *write_state_filename; | |
065ae611 | 67 | |
f8ed6dc5 JS |
68 | /* Variables to help debugging. */ |
69 | int do_dump; | |
70 | int do_debug; | |
065ae611 | 71 | |
1d32bbcd BS |
72 | /* Level for verbose messages. */ |
73 | int verbosity_level; | |
74 | ||
92724e1d BS |
75 | /* We have a type count and use it to set the state_number of newly |
76 | allocated types to some unique negative number. */ | |
77 | static int type_count; | |
78 | ||
1d32bbcd BS |
79 | /* The backup directory should be in the same file system as the |
80 | generated files, otherwise the rename(2) system call would fail. | |
81 | If NULL, no backup is made when overwriting a generated file. */ | |
82 | static const char* backup_dir; /* (-B) program option. */ | |
83 | ||
84 | ||
065ae611 | 85 | static outf_p create_file (const char *, const char *); |
8de8de02 | 86 | |
14c4815e BS |
87 | static const char *get_file_basename (const input_file *); |
88 | static const char *get_file_realbasename (const input_file *); | |
8de8de02 OH |
89 | |
90 | static int get_prefix_langdir_index (const char *); | |
14c4815e | 91 | static const char *get_file_langdir (const input_file *); |
065ae611 | 92 | \f |
e1b793e7 | 93 | |
9f313342 | 94 | /* Nonzero iff an error has occurred. */ |
01d419ae | 95 | bool hit_error = false; |
9f313342 | 96 | |
3d7aafde AJ |
97 | static void gen_rtx_next (void); |
98 | static void write_rtx_next (void); | |
99 | static void open_base_files (void); | |
100 | static void close_output_files (void); | |
ef171ead | 101 | |
9f313342 GK |
102 | /* Report an error at POS, printing MSG. */ |
103 | ||
e2500fed | 104 | void |
0277fabf | 105 | error_at_line (const struct fileloc *pos, const char *msg, ...) |
e2500fed | 106 | { |
e34d07f2 | 107 | va_list ap; |
3d7aafde | 108 | |
14c4815e | 109 | gcc_assert (pos != NULL && pos->file != NULL); |
e34d07f2 | 110 | va_start (ap, msg); |
e2500fed | 111 | |
14c4815e | 112 | fprintf (stderr, "%s:%d: ", get_input_file_name (pos->file), pos->line); |
e2500fed GK |
113 | vfprintf (stderr, msg, ap); |
114 | fputc ('\n', stderr); | |
01d419ae | 115 | hit_error = true; |
e2500fed | 116 | |
e34d07f2 | 117 | va_end (ap); |
e2500fed GK |
118 | } |
119 | ||
065ae611 | 120 | /* asprintf, but produces fatal message on out-of-memory. */ |
01d419ae | 121 | char * |
e34d07f2 | 122 | xasprintf (const char *format, ...) |
e03856fe | 123 | { |
065ae611 | 124 | int n; |
e03856fe | 125 | char *result; |
e34d07f2 | 126 | va_list ap; |
3d7aafde | 127 | |
e34d07f2 | 128 | va_start (ap, format); |
065ae611 ZW |
129 | n = vasprintf (&result, format, ap); |
130 | if (result == NULL || n < 0) | |
131 | fatal ("out of memory"); | |
e34d07f2 | 132 | va_end (ap); |
065ae611 | 133 | |
e03856fe GK |
134 | return result; |
135 | } | |
11a67599 ZW |
136 | \f |
137 | /* Input file handling. */ | |
138 | ||
139 | /* Table of all input files. */ | |
14c4815e BS |
140 | const input_file **gt_files; |
141 | size_t num_gt_files; | |
11a67599 | 142 | |
14c4815e | 143 | /* A number of places use the name of this "gengtype.c" file for a |
f8ed6dc5 JS |
144 | location for things that we can't rely on the source to define. |
145 | Make sure we can still use pointer comparison on filenames. */ | |
14c4815e | 146 | input_file* this_file; |
f8ed6dc5 | 147 | /* The "system.h" file is likewise specially useful. */ |
14c4815e | 148 | input_file* system_h_file; |
01d419ae | 149 | |
11a67599 | 150 | /* Vector of per-language directories. */ |
14c4815e BS |
151 | const char **lang_dir_names; |
152 | size_t num_lang_dirs; | |
11a67599 ZW |
153 | |
154 | /* An array of output files suitable for definitions. There is one | |
155 | BASE_FILES entry for each language. */ | |
156 | static outf_p *base_files; | |
157 | ||
11a67599 | 158 | |
f8ed6dc5 JS |
159 | |
160 | #if ENABLE_CHECKING | |
161 | /* Utility debugging function, printing the various type counts within | |
073a8998 | 162 | a list of types. Called through the DBGPRINT_COUNT_TYPE macro. */ |
f8ed6dc5 JS |
163 | void |
164 | dbgprint_count_type_at (const char *fil, int lin, const char *msg, type_p t) | |
165 | { | |
166 | int nb_types = 0, nb_scalar = 0, nb_string = 0; | |
167 | int nb_struct = 0, nb_union = 0, nb_array = 0, nb_pointer = 0; | |
168 | int nb_lang_struct = 0, nb_param_struct = 0; | |
169 | type_p p = NULL; | |
170 | for (p = t; p; p = p->next) | |
171 | { | |
172 | nb_types++; | |
173 | switch (p->kind) | |
174 | { | |
175 | case TYPE_SCALAR: | |
176 | nb_scalar++; | |
177 | break; | |
178 | case TYPE_STRING: | |
179 | nb_string++; | |
180 | break; | |
181 | case TYPE_STRUCT: | |
182 | nb_struct++; | |
183 | break; | |
184 | case TYPE_UNION: | |
185 | nb_union++; | |
186 | break; | |
187 | case TYPE_POINTER: | |
188 | nb_pointer++; | |
189 | break; | |
190 | case TYPE_ARRAY: | |
191 | nb_array++; | |
192 | break; | |
193 | case TYPE_LANG_STRUCT: | |
194 | nb_lang_struct++; | |
195 | break; | |
196 | case TYPE_PARAM_STRUCT: | |
197 | nb_param_struct++; | |
198 | break; | |
199 | default: | |
200 | gcc_unreachable (); | |
201 | } | |
202 | } | |
203 | fprintf (stderr, "\n" "%s:%d: %s: @@%%@@ %d types ::\n", | |
204 | lbasename (fil), lin, msg, nb_types); | |
205 | if (nb_scalar > 0 || nb_string > 0) | |
206 | fprintf (stderr, "@@%%@@ %d scalars, %d strings\n", nb_scalar, nb_string); | |
207 | if (nb_struct > 0 || nb_union > 0) | |
208 | fprintf (stderr, "@@%%@@ %d structs, %d unions\n", nb_struct, nb_union); | |
209 | if (nb_pointer > 0 || nb_array > 0) | |
210 | fprintf (stderr, "@@%%@@ %d pointers, %d arrays\n", nb_pointer, nb_array); | |
211 | if (nb_lang_struct > 0 || nb_param_struct > 0) | |
212 | fprintf (stderr, "@@%%@@ %d lang_structs, %d param_structs\n", | |
213 | nb_lang_struct, nb_param_struct); | |
214 | fprintf (stderr, "\n"); | |
215 | } | |
216 | #endif /* ENABLE_CHECKING */ | |
217 | ||
11a67599 ZW |
218 | /* Scan the input file, LIST, and determine how much space we need to |
219 | store strings in. Also, count the number of language directories | |
220 | and files. The numbers returned are overestimates as they does not | |
221 | consider repeated files. */ | |
222 | static size_t | |
223 | measure_input_list (FILE *list) | |
224 | { | |
225 | size_t n = 0; | |
226 | int c; | |
227 | bool atbol = true; | |
228 | num_lang_dirs = 0; | |
bd117bb6 | 229 | num_gt_files = plugin_files ? nb_plugin_files : 0; |
11a67599 ZW |
230 | while ((c = getc (list)) != EOF) |
231 | { | |
232 | n++; | |
233 | if (atbol) | |
234 | { | |
235 | if (c == '[') | |
236 | num_lang_dirs++; | |
237 | else | |
238 | { | |
239 | /* Add space for a lang_bitmap before the input file name. */ | |
240 | n += sizeof (lang_bitmap); | |
241 | num_gt_files++; | |
242 | } | |
243 | atbol = false; | |
244 | } | |
245 | ||
246 | if (c == '\n') | |
247 | atbol = true; | |
248 | } | |
249 | ||
250 | rewind (list); | |
251 | return n; | |
252 | } | |
253 | ||
254 | /* Read one input line from LIST to HEREP (which is updated). A | |
255 | pointer to the string is returned via LINEP. If it was a language | |
256 | subdirectory in square brackets, strip off the square brackets and | |
257 | return true. Otherwise, leave space before the string for a | |
258 | lang_bitmap, and return false. At EOF, returns false, does not | |
259 | touch *HEREP, and sets *LINEP to NULL. POS is used for | |
260 | diagnostics. */ | |
261 | static bool | |
e1b793e7 | 262 | read_input_line (FILE *list, char **herep, char **linep, struct fileloc *pos) |
11a67599 ZW |
263 | { |
264 | char *here = *herep; | |
265 | char *line; | |
266 | int c = getc (list); | |
267 | ||
1b77ee03 MM |
268 | /* Read over whitespace. */ |
269 | while (c == '\n' || c == ' ') | |
270 | c = getc (list); | |
271 | ||
11a67599 ZW |
272 | if (c == EOF) |
273 | { | |
274 | *linep = 0; | |
275 | return false; | |
276 | } | |
277 | else if (c == '[') | |
278 | { | |
279 | /* No space for a lang_bitmap is necessary. Discard the '['. */ | |
280 | c = getc (list); | |
281 | line = here; | |
282 | while (c != ']' && c != '\n' && c != EOF) | |
283 | { | |
284 | *here++ = c; | |
285 | c = getc (list); | |
286 | } | |
287 | *here++ = '\0'; | |
288 | ||
289 | if (c == ']') | |
290 | { | |
e1b793e7 | 291 | c = getc (list); /* eat what should be a newline */ |
11a67599 ZW |
292 | if (c != '\n' && c != EOF) |
293 | error_at_line (pos, "junk on line after language tag [%s]", line); | |
294 | } | |
295 | else | |
e1b793e7 BS |
296 | error_at_line (pos, "missing close bracket for language tag [%s", |
297 | line); | |
11a67599 ZW |
298 | |
299 | *herep = here; | |
300 | *linep = line; | |
301 | return true; | |
302 | } | |
303 | else | |
304 | { | |
305 | /* Leave space for a lang_bitmap. */ | |
306 | memset (here, 0, sizeof (lang_bitmap)); | |
307 | here += sizeof (lang_bitmap); | |
308 | line = here; | |
309 | do | |
310 | { | |
311 | *here++ = c; | |
312 | c = getc (list); | |
313 | } | |
314 | while (c != EOF && c != '\n'); | |
315 | *here++ = '\0'; | |
316 | *herep = here; | |
317 | *linep = line; | |
318 | return false; | |
319 | } | |
320 | } | |
321 | ||
322 | /* Read the list of input files from LIST and compute all of the | |
323 | relevant tables. There is one file per line of the list. At | |
324 | first, all the files on the list are language-generic, but | |
325 | eventually a line will appear which is the name of a language | |
326 | subdirectory in square brackets, like this: [cp]. All subsequent | |
327 | files are specific to that language, until another language | |
328 | subdirectory tag appears. Files can appear more than once, if | |
329 | they apply to more than one language. */ | |
330 | static void | |
331 | read_input_list (const char *listname) | |
332 | { | |
333 | FILE *list = fopen (listname, "r"); | |
334 | if (!list) | |
7ca92787 | 335 | fatal ("cannot open %s: %s", listname, xstrerror (errno)); |
11a67599 ZW |
336 | else |
337 | { | |
338 | struct fileloc epos; | |
339 | size_t bufsz = measure_input_list (list); | |
340 | char *buf = XNEWVEC (char, bufsz); | |
341 | char *here = buf; | |
342 | char *committed = buf; | |
343 | char *limit = buf + bufsz; | |
344 | char *line; | |
345 | bool is_language; | |
346 | size_t langno = 0; | |
347 | size_t nfiles = 0; | |
348 | lang_bitmap curlangs = (1 << num_lang_dirs) - 1; | |
349 | ||
14c4815e | 350 | epos.file = input_file_by_name (listname); |
11a67599 ZW |
351 | epos.line = 0; |
352 | ||
353 | lang_dir_names = XNEWVEC (const char *, num_lang_dirs); | |
14c4815e | 354 | gt_files = XNEWVEC (const input_file *, num_gt_files); |
11a67599 ZW |
355 | |
356 | for (;;) | |
357 | { | |
358 | next_line: | |
359 | epos.line++; | |
360 | committed = here; | |
361 | is_language = read_input_line (list, &here, &line, &epos); | |
362 | gcc_assert (here <= limit); | |
363 | if (line == 0) | |
364 | break; | |
365 | else if (is_language) | |
366 | { | |
367 | size_t i; | |
368 | gcc_assert (langno <= num_lang_dirs); | |
369 | for (i = 0; i < langno; i++) | |
370 | if (strcmp (lang_dir_names[i], line) == 0) | |
371 | { | |
e1b793e7 BS |
372 | error_at_line (&epos, "duplicate language tag [%s]", |
373 | line); | |
11a67599 ZW |
374 | curlangs = 1 << i; |
375 | here = committed; | |
376 | goto next_line; | |
377 | } | |
378 | ||
379 | curlangs = 1 << langno; | |
380 | lang_dir_names[langno++] = line; | |
381 | } | |
382 | else | |
383 | { | |
384 | size_t i; | |
14c4815e | 385 | input_file *inpf = input_file_by_name (line); |
11a67599 ZW |
386 | gcc_assert (nfiles <= num_gt_files); |
387 | for (i = 0; i < nfiles; i++) | |
14c4815e BS |
388 | /* Since the input_file-s are uniquely hash-consed, we |
389 | can just compare pointers! */ | |
390 | if (gt_files[i] == inpf) | |
11a67599 ZW |
391 | { |
392 | /* Throw away the string we just read, and add the | |
393 | current language to the existing string's bitmap. */ | |
14c4815e | 394 | lang_bitmap bmap = get_lang_bitmap (inpf); |
11a67599 | 395 | if (bmap & curlangs) |
e1b793e7 BS |
396 | error_at_line (&epos, |
397 | "file %s specified more than once " | |
398 | "for language %s", line, | |
399 | langno == | |
400 | 0 ? "(all)" : lang_dir_names[langno - | |
401 | 1]); | |
11a67599 ZW |
402 | |
403 | bmap |= curlangs; | |
14c4815e | 404 | set_lang_bitmap (inpf, bmap); |
11a67599 ZW |
405 | here = committed; |
406 | goto next_line; | |
407 | } | |
408 | ||
14c4815e BS |
409 | set_lang_bitmap (inpf, curlangs); |
410 | gt_files[nfiles++] = inpf; | |
11a67599 ZW |
411 | } |
412 | } | |
413 | /* Update the global counts now that we know accurately how many | |
e1b793e7 | 414 | things there are. (We do not bother resizing the arrays down.) */ |
11a67599 | 415 | num_lang_dirs = langno; |
bd117bb6 | 416 | /* Add the plugin files if provided. */ |
b8698a0f | 417 | if (plugin_files) |
bd117bb6 | 418 | { |
9f78bf05 | 419 | size_t i; |
bd117bb6 BS |
420 | for (i = 0; i < nb_plugin_files; i++) |
421 | gt_files[nfiles++] = plugin_files[i]; | |
422 | } | |
11a67599 ZW |
423 | num_gt_files = nfiles; |
424 | } | |
425 | ||
426 | /* Sanity check: any file that resides in a language subdirectory | |
427 | (e.g. 'cp') ought to belong to the corresponding language. | |
428 | ??? Still true if for instance ObjC++ is enabled and C++ isn't? | |
429 | (Can you even do that? Should you be allowed to?) */ | |
430 | { | |
431 | size_t f; | |
432 | for (f = 0; f < num_gt_files; f++) | |
433 | { | |
434 | lang_bitmap bitmap = get_lang_bitmap (gt_files[f]); | |
435 | const char *basename = get_file_basename (gt_files[f]); | |
436 | const char *slashpos = strchr (basename, '/'); | |
ba78087b KT |
437 | #ifdef HAVE_DOS_BASED_FILE_SYSTEM |
438 | const char *slashpos2 = strchr (basename, '\\'); | |
439 | ||
440 | if (!slashpos || (slashpos2 && slashpos2 < slashpos)) | |
441 | slashpos = slashpos2; | |
442 | #endif | |
11a67599 ZW |
443 | |
444 | if (slashpos) | |
445 | { | |
446 | size_t l; | |
447 | for (l = 0; l < num_lang_dirs; l++) | |
e1b793e7 | 448 | if ((size_t) (slashpos - basename) == strlen (lang_dir_names[l]) |
11a67599 ZW |
449 | && memcmp (basename, lang_dir_names[l], |
450 | strlen (lang_dir_names[l])) == 0) | |
451 | { | |
452 | if (!(bitmap & (1 << l))) | |
453 | error ("%s is in language directory '%s' but is not " | |
454 | "tagged for that language", | |
455 | basename, lang_dir_names[l]); | |
456 | break; | |
457 | } | |
e1b793e7 | 458 | } |
11a67599 ZW |
459 | } |
460 | } | |
461 | ||
462 | if (ferror (list)) | |
7ca92787 | 463 | fatal ("error reading %s: %s", listname, xstrerror (errno)); |
11a67599 ZW |
464 | |
465 | fclose (list); | |
466 | } | |
e1b793e7 | 467 | \f |
11a67599 ZW |
468 | |
469 | ||
9f313342 GK |
470 | /* The one and only TYPE_STRING. */ |
471 | ||
412dc29d BS |
472 | struct type string_type = { |
473 | TYPE_STRING, 0, 0, 0, GC_USED, {0} | |
95161faf ZW |
474 | }; |
475 | ||
476 | /* The two and only TYPE_SCALARs. Their u.scalar_is_char flags are | |
412dc29d | 477 | set early in main. */ |
95161faf | 478 | |
412dc29d BS |
479 | struct type scalar_nonchar = { |
480 | TYPE_SCALAR, 0, 0, 0, GC_USED, {0} | |
95161faf | 481 | }; |
e1b793e7 | 482 | |
412dc29d BS |
483 | struct type scalar_char = { |
484 | TYPE_SCALAR, 0, 0, 0, GC_USED, {0} | |
3d7aafde | 485 | }; |
e2500fed | 486 | |
9f313342 GK |
487 | /* Lists of various things. */ |
488 | ||
412dc29d BS |
489 | pair_p typedefs; |
490 | type_p structures; | |
491 | type_p param_structs; | |
492 | pair_p variables; | |
e2500fed | 493 | |
e1b793e7 | 494 | static type_p find_param_structure (type_p t, type_p param[NUM_PARAM]); |
3d7aafde AJ |
495 | static type_p adjust_field_tree_exp (type_p t, options_p opt); |
496 | static type_p adjust_field_rtx_def (type_p t, options_p opt); | |
36a5eadd | 497 | |
9f313342 GK |
498 | /* Define S as a typedef to T at POS. */ |
499 | ||
e2500fed | 500 | void |
3d7aafde | 501 | do_typedef (const char *s, type_p t, struct fileloc *pos) |
e2500fed GK |
502 | { |
503 | pair_p p; | |
504 | ||
2d593c86 TT |
505 | /* temporary kludge - gengtype doesn't handle conditionals or |
506 | macros. Ignore any attempt to typedef CUMULATIVE_ARGS, unless it | |
507 | is coming from this file (main() sets them up with safe dummy | |
508 | definitions). */ | |
509 | if (!strcmp (s, "CUMULATIVE_ARGS") && pos->file != this_file) | |
01d419ae ZW |
510 | return; |
511 | ||
e2500fed GK |
512 | for (p = typedefs; p != NULL; p = p->next) |
513 | if (strcmp (p->name, s) == 0) | |
514 | { | |
515 | if (p->type != t) | |
516 | { | |
517 | error_at_line (pos, "type `%s' previously defined", s); | |
518 | error_at_line (&p->line, "previously defined here"); | |
519 | } | |
520 | return; | |
521 | } | |
522 | ||
5d038c4c | 523 | p = XNEW (struct pair); |
e2500fed GK |
524 | p->next = typedefs; |
525 | p->name = s; | |
526 | p->type = t; | |
527 | p->line = *pos; | |
0277fabf | 528 | p->opt = NULL; |
e2500fed GK |
529 | typedefs = p; |
530 | } | |
531 | ||
95161faf ZW |
532 | /* Define S as a typename of a scalar. Cannot be used to define |
533 | typedefs of 'char'. Note: is also used for pointer-to-function | |
534 | typedefs (which are therefore not treated as pointers). */ | |
36a5eadd | 535 | |
95161faf | 536 | void |
3d7aafde | 537 | do_scalar_typedef (const char *s, struct fileloc *pos) |
36a5eadd | 538 | { |
95161faf | 539 | do_typedef (s, &scalar_nonchar, pos); |
36a5eadd GK |
540 | } |
541 | ||
e34bb004 | 542 | /* Return the type previously defined for S. Use POS to report errors. */ |
9f313342 | 543 | |
e2500fed | 544 | type_p |
3d7aafde | 545 | resolve_typedef (const char *s, struct fileloc *pos) |
e2500fed GK |
546 | { |
547 | pair_p p; | |
548 | for (p = typedefs; p != NULL; p = p->next) | |
549 | if (strcmp (p->name, s) == 0) | |
550 | return p->type; | |
551 | error_at_line (pos, "unidentified type `%s'", s); | |
e1b793e7 | 552 | return &scalar_nonchar; /* treat as "int" */ |
e2500fed GK |
553 | } |
554 | ||
0f01f026 RS |
555 | /* Create and return a new structure with tag NAME (or a union iff |
556 | ISUNION is nonzero), at POS with fields FIELDS and options O. */ | |
9f313342 | 557 | |
0f01f026 | 558 | type_p |
3d7aafde AJ |
559 | new_structure (const char *name, int isunion, struct fileloc *pos, |
560 | pair_p fields, options_p o) | |
e2500fed GK |
561 | { |
562 | type_p si; | |
563 | type_p s = NULL; | |
11a67599 | 564 | lang_bitmap bitmap = get_lang_bitmap (pos->file); |
e2500fed GK |
565 | |
566 | for (si = structures; si != NULL; si = si->next) | |
e1b793e7 | 567 | if (strcmp (name, si->u.s.tag) == 0 && UNION_P (si) == isunion) |
e2500fed GK |
568 | { |
569 | type_p ls = NULL; | |
570 | if (si->kind == TYPE_LANG_STRUCT) | |
571 | { | |
572 | ls = si; | |
3d7aafde | 573 | |
e2500fed GK |
574 | for (si = ls->u.s.lang_struct; si != NULL; si = si->next) |
575 | if (si->u.s.bitmap == bitmap) | |
576 | s = si; | |
577 | } | |
578 | else if (si->u.s.line.file != NULL && si->u.s.bitmap != bitmap) | |
579 | { | |
580 | ls = si; | |
92724e1d | 581 | type_count++; |
5d038c4c | 582 | si = XCNEW (struct type); |
e2500fed GK |
583 | memcpy (si, ls, sizeof (struct type)); |
584 | ls->kind = TYPE_LANG_STRUCT; | |
585 | ls->u.s.lang_struct = si; | |
586 | ls->u.s.fields = NULL; | |
587 | si->next = NULL; | |
92724e1d | 588 | si->state_number = -type_count; |
e2500fed GK |
589 | si->pointer_to = NULL; |
590 | si->u.s.lang_struct = ls; | |
591 | } | |
592 | else | |
593 | s = si; | |
594 | ||
595 | if (ls != NULL && s == NULL) | |
596 | { | |
92724e1d | 597 | type_count++; |
5d038c4c | 598 | s = XCNEW (struct type); |
92724e1d | 599 | s->state_number = -type_count; |
e2500fed GK |
600 | s->next = ls->u.s.lang_struct; |
601 | ls->u.s.lang_struct = s; | |
602 | s->u.s.lang_struct = ls; | |
603 | } | |
604 | break; | |
605 | } | |
3d7aafde | 606 | |
e2500fed GK |
607 | if (s == NULL) |
608 | { | |
92724e1d | 609 | type_count++; |
5d038c4c | 610 | s = XCNEW (struct type); |
92724e1d | 611 | s->state_number = -type_count; |
e2500fed GK |
612 | s->next = structures; |
613 | structures = s; | |
614 | } | |
615 | ||
616 | if (s->u.s.line.file != NULL | |
617 | || (s->u.s.lang_struct && (s->u.s.lang_struct->u.s.bitmap & bitmap))) | |
618 | { | |
01d419ae ZW |
619 | error_at_line (pos, "duplicate definition of '%s %s'", |
620 | isunion ? "union" : "struct", s->u.s.tag); | |
e2500fed GK |
621 | error_at_line (&s->u.s.line, "previous definition here"); |
622 | } | |
623 | ||
624 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
625 | s->u.s.tag = name; | |
626 | s->u.s.line = *pos; | |
627 | s->u.s.fields = fields; | |
628 | s->u.s.opt = o; | |
629 | s->u.s.bitmap = bitmap; | |
630 | if (s->u.s.lang_struct) | |
631 | s->u.s.lang_struct->u.s.bitmap |= bitmap; | |
0f01f026 | 632 | |
e1b793e7 | 633 | return s; |
e2500fed GK |
634 | } |
635 | ||
9f313342 GK |
636 | /* Return the previously-defined structure with tag NAME (or a union |
637 | iff ISUNION is nonzero), or a new empty structure or union if none | |
638 | was defined previously. */ | |
639 | ||
e2500fed | 640 | type_p |
3d7aafde | 641 | find_structure (const char *name, int isunion) |
e2500fed GK |
642 | { |
643 | type_p s; | |
644 | ||
645 | for (s = structures; s != NULL; s = s->next) | |
e1b793e7 | 646 | if (strcmp (name, s->u.s.tag) == 0 && UNION_P (s) == isunion) |
e2500fed GK |
647 | return s; |
648 | ||
92724e1d | 649 | type_count++; |
5d038c4c | 650 | s = XCNEW (struct type); |
e2500fed | 651 | s->next = structures; |
92724e1d | 652 | s->state_number = -type_count; |
e2500fed GK |
653 | structures = s; |
654 | s->kind = isunion ? TYPE_UNION : TYPE_STRUCT; | |
655 | s->u.s.tag = name; | |
656 | structures = s; | |
657 | return s; | |
658 | } | |
659 | ||
272d0bee KH |
660 | /* Return the previously-defined parameterized structure for structure |
661 | T and parameters PARAM, or a new parameterized empty structure or | |
991b6592 | 662 | union if none was defined previously. */ |
36a5eadd GK |
663 | |
664 | static type_p | |
3d7aafde | 665 | find_param_structure (type_p t, type_p param[NUM_PARAM]) |
36a5eadd GK |
666 | { |
667 | type_p res; | |
3d7aafde | 668 | |
36a5eadd GK |
669 | for (res = param_structs; res; res = res->next) |
670 | if (res->u.param_struct.stru == t | |
3d7aafde | 671 | && memcmp (res->u.param_struct.param, param, |
36a5eadd GK |
672 | sizeof (type_p) * NUM_PARAM) == 0) |
673 | break; | |
674 | if (res == NULL) | |
675 | { | |
92724e1d | 676 | type_count++; |
5d038c4c | 677 | res = XCNEW (struct type); |
36a5eadd GK |
678 | res->kind = TYPE_PARAM_STRUCT; |
679 | res->next = param_structs; | |
92724e1d | 680 | res->state_number = -type_count; |
36a5eadd GK |
681 | param_structs = res; |
682 | res->u.param_struct.stru = t; | |
683 | memcpy (res->u.param_struct.param, param, sizeof (type_p) * NUM_PARAM); | |
684 | } | |
685 | return res; | |
686 | } | |
687 | ||
9f313342 GK |
688 | /* Return a scalar type with name NAME. */ |
689 | ||
e2500fed | 690 | type_p |
95161faf | 691 | create_scalar_type (const char *name) |
e2500fed | 692 | { |
95161faf ZW |
693 | if (!strcmp (name, "char") || !strcmp (name, "unsigned char")) |
694 | return &scalar_char; | |
695 | else | |
696 | return &scalar_nonchar; | |
e2500fed GK |
697 | } |
698 | ||
9f313342 GK |
699 | /* Return a pointer to T. */ |
700 | ||
e2500fed | 701 | type_p |
3d7aafde | 702 | create_pointer (type_p t) |
e2500fed | 703 | { |
e1b793e7 | 704 | if (!t->pointer_to) |
e2500fed | 705 | { |
5d038c4c | 706 | type_p r = XCNEW (struct type); |
92724e1d BS |
707 | type_count++; |
708 | r->state_number = -type_count; | |
e2500fed GK |
709 | r->kind = TYPE_POINTER; |
710 | r->u.p = t; | |
711 | t->pointer_to = r; | |
712 | } | |
713 | return t->pointer_to; | |
714 | } | |
715 | ||
9f313342 GK |
716 | /* Return an array of length LEN. */ |
717 | ||
e2500fed | 718 | type_p |
3d7aafde | 719 | create_array (type_p t, const char *len) |
e2500fed GK |
720 | { |
721 | type_p v; | |
3d7aafde | 722 | |
92724e1d | 723 | type_count++; |
5d038c4c | 724 | v = XCNEW (struct type); |
e2500fed | 725 | v->kind = TYPE_ARRAY; |
92724e1d | 726 | v->state_number = -type_count; |
e2500fed GK |
727 | v->u.a.p = t; |
728 | v->u.a.len = len; | |
729 | return v; | |
730 | } | |
731 | ||
412dc29d BS |
732 | /* Return a string options structure with name NAME and info INFO. |
733 | NEXT is the next option in the chain. */ | |
734 | options_p | |
735 | create_string_option (options_p next, const char *name, const char *info) | |
736 | { | |
737 | options_p o = XNEW (struct options); | |
738 | o->kind = OPTION_STRING; | |
739 | o->next = next; | |
740 | o->name = name; | |
741 | o->info.string = info; | |
742 | return o; | |
743 | } | |
0f01f026 | 744 | |
412dc29d BS |
745 | /* Create a type options structure with name NAME and info INFO. NEXT |
746 | is the next option in the chain. */ | |
1431042e | 747 | options_p |
412dc29d | 748 | create_type_option (options_p next, const char* name, type_p info) |
1431042e | 749 | { |
5d038c4c | 750 | options_p o = XNEW (struct options); |
0f01f026 | 751 | o->next = next; |
1431042e | 752 | o->name = name; |
412dc29d BS |
753 | o->kind = OPTION_TYPE; |
754 | o->info.type = info; | |
755 | return o; | |
756 | } | |
757 | ||
758 | /* Create a nested pointer options structure with name NAME and info | |
759 | INFO. NEXT is the next option in the chain. */ | |
760 | options_p | |
761 | create_nested_option (options_p next, const char* name, | |
762 | struct nested_ptr_data* info) | |
763 | { | |
764 | options_p o; | |
765 | o = XNEW (struct options); | |
766 | o->next = next; | |
767 | o->name = name; | |
768 | o->kind = OPTION_NESTED; | |
769 | o->info.nested = info; | |
1431042e ZW |
770 | return o; |
771 | } | |
772 | ||
17defa6a ZW |
773 | /* Return an options structure for a "nested_ptr" option. */ |
774 | options_p | |
065ae611 ZW |
775 | create_nested_ptr_option (options_p next, type_p t, |
776 | const char *to, const char *from) | |
17defa6a ZW |
777 | { |
778 | struct nested_ptr_data *d = XNEW (struct nested_ptr_data); | |
779 | ||
780 | d->type = adjust_field_type (t, 0); | |
781 | d->convert_to = to; | |
782 | d->convert_from = from; | |
412dc29d | 783 | return create_nested_option (next, "nested_ptr", d); |
17defa6a ZW |
784 | } |
785 | ||
36a5eadd GK |
786 | /* Add a variable named S of type T with options O defined at POS, |
787 | to `variables'. */ | |
36a5eadd | 788 | void |
3d7aafde | 789 | note_variable (const char *s, type_p t, options_p o, struct fileloc *pos) |
36a5eadd GK |
790 | { |
791 | pair_p n; | |
5d038c4c | 792 | n = XNEW (struct pair); |
36a5eadd GK |
793 | n->name = s; |
794 | n->type = t; | |
795 | n->line = *pos; | |
796 | n->opt = o; | |
797 | n->next = variables; | |
798 | variables = n; | |
799 | } | |
800 | ||
065ae611 | 801 | /* Most-general structure field creator. */ |
0f01f026 | 802 | static pair_p |
065ae611 | 803 | create_field_all (pair_p next, type_p type, const char *name, options_p opt, |
14c4815e | 804 | const input_file *inpf, int line) |
0f01f026 RS |
805 | { |
806 | pair_p field; | |
807 | ||
808 | field = XNEW (struct pair); | |
809 | field->next = next; | |
810 | field->type = type; | |
811 | field->name = name; | |
065ae611 | 812 | field->opt = opt; |
14c4815e | 813 | field->line.file = inpf; |
065ae611 | 814 | field->line.line = line; |
0f01f026 RS |
815 | return field; |
816 | } | |
817 | ||
065ae611 ZW |
818 | /* Create a field that came from the source code we are scanning, |
819 | i.e. we have a 'struct fileloc', and possibly options; also, | |
820 | adjust_field_type should be called. */ | |
821 | pair_p | |
822 | create_field_at (pair_p next, type_p type, const char *name, options_p opt, | |
823 | struct fileloc *pos) | |
824 | { | |
825 | return create_field_all (next, adjust_field_type (type, opt), | |
826 | name, opt, pos->file, pos->line); | |
827 | } | |
828 | ||
829 | /* Create a fake field with the given type and name. NEXT is the next | |
830 | field in the chain. */ | |
831 | #define create_field(next,type,name) \ | |
f8ed6dc5 | 832 | create_field_all(next,type,name, 0, this_file, __LINE__) |
065ae611 | 833 | |
aacd3885 RS |
834 | /* Like create_field, but the field is only valid when condition COND |
835 | is true. */ | |
836 | ||
837 | static pair_p | |
065ae611 ZW |
838 | create_optional_field_ (pair_p next, type_p type, const char *name, |
839 | const char *cond, int line) | |
aacd3885 RS |
840 | { |
841 | static int id = 1; | |
065ae611 | 842 | pair_p union_fields; |
aacd3885 RS |
843 | type_p union_type; |
844 | ||
845 | /* Create a fake union type with a single nameless field of type TYPE. | |
846 | The field has a tag of "1". This allows us to make the presence | |
847 | of a field of type TYPE depend on some boolean "desc" being true. */ | |
848 | union_fields = create_field (NULL, type, ""); | |
412dc29d BS |
849 | union_fields->opt = |
850 | create_string_option (union_fields->opt, "dot", ""); | |
851 | union_fields->opt = | |
852 | create_string_option (union_fields->opt, "tag", "1"); | |
853 | union_type = | |
854 | new_structure (xasprintf ("%s_%d", "fake_union", id++), 1, | |
855 | &lexer_line, union_fields, NULL); | |
aacd3885 RS |
856 | |
857 | /* Create the field and give it the new fake union type. Add a "desc" | |
858 | tag that specifies the condition under which the field is valid. */ | |
065ae611 | 859 | return create_field_all (next, union_type, name, |
412dc29d BS |
860 | create_string_option (0, "desc", cond), |
861 | this_file, line); | |
aacd3885 | 862 | } |
e1b793e7 | 863 | |
065ae611 | 864 | #define create_optional_field(next,type,name,cond) \ |
f8ed6dc5 | 865 | create_optional_field_(next,type,name,cond,__LINE__) |
aacd3885 | 866 | |
01d419ae ZW |
867 | /* Reverse a linked list of 'struct pair's in place. */ |
868 | pair_p | |
869 | nreverse_pairs (pair_p list) | |
870 | { | |
871 | pair_p prev = 0, p, next; | |
872 | for (p = list; p; p = next) | |
873 | { | |
874 | next = p->next; | |
875 | p->next = prev; | |
876 | prev = p; | |
877 | } | |
878 | return prev; | |
879 | } | |
01d419ae | 880 | \f |
e1b793e7 | 881 | |
9e995780 | 882 | /* We don't care how long a CONST_DOUBLE is. */ |
36a5eadd | 883 | #define CONST_DOUBLE_FORMAT "ww" |
9e995780 ZW |
884 | /* We don't want to see codes that are only for generator files. */ |
885 | #undef GENERATOR_FILE | |
886 | ||
e1b793e7 BS |
887 | enum rtx_code |
888 | { | |
9e995780 ZW |
889 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) ENUM , |
890 | #include "rtl.def" | |
891 | #undef DEF_RTL_EXPR | |
892 | NUM_RTX_CODE | |
893 | }; | |
894 | ||
e1b793e7 | 895 | static const char *const rtx_name[NUM_RTX_CODE] = { |
9e995780 ZW |
896 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) NAME , |
897 | #include "rtl.def" | |
898 | #undef DEF_RTL_EXPR | |
899 | }; | |
900 | ||
e1b793e7 | 901 | static const char *const rtx_format[NUM_RTX_CODE] = { |
36a5eadd GK |
902 | #define DEF_RTL_EXPR(ENUM, NAME, FORMAT, CLASS) FORMAT , |
903 | #include "rtl.def" | |
904 | #undef DEF_RTL_EXPR | |
905 | }; | |
906 | ||
5ba6918e | 907 | static int rtx_next_new[NUM_RTX_CODE]; |
36a5eadd | 908 | |
9e995780 ZW |
909 | /* We also need codes and names for insn notes (not register notes). |
910 | Note that we do *not* bias the note values here. */ | |
e1b793e7 BS |
911 | enum insn_note |
912 | { | |
9e995780 ZW |
913 | #define DEF_INSN_NOTE(NAME) NAME, |
914 | #include "insn-notes.def" | |
915 | #undef DEF_INSN_NOTE | |
916 | ||
917 | NOTE_INSN_MAX | |
918 | }; | |
919 | ||
79e4e6a6 JW |
920 | /* We must allocate one more entry here, as we use NOTE_INSN_MAX as the |
921 | default field for line number notes. */ | |
e1b793e7 | 922 | static const char *const note_insn_name[NOTE_INSN_MAX + 1] = { |
9e995780 ZW |
923 | #define DEF_INSN_NOTE(NAME) #NAME, |
924 | #include "insn-notes.def" | |
925 | #undef DEF_INSN_NOTE | |
926 | }; | |
927 | ||
928 | #undef CONST_DOUBLE_FORMAT | |
929 | #define GENERATOR_FILE | |
930 | ||
36a5eadd GK |
931 | /* Generate the contents of the rtx_next array. This really doesn't belong |
932 | in gengtype at all, but it's needed for adjust_field_rtx_def. */ | |
933 | ||
934 | static void | |
3d7aafde | 935 | gen_rtx_next (void) |
36a5eadd GK |
936 | { |
937 | int i; | |
938 | for (i = 0; i < NUM_RTX_CODE; i++) | |
939 | { | |
940 | int k; | |
3d7aafde | 941 | |
5ba6918e | 942 | rtx_next_new[i] = -1; |
36a5eadd | 943 | if (strncmp (rtx_format[i], "iuu", 3) == 0) |
5ba6918e | 944 | rtx_next_new[i] = 2; |
36a5eadd | 945 | else if (i == COND_EXEC || i == SET || i == EXPR_LIST || i == INSN_LIST) |
5ba6918e | 946 | rtx_next_new[i] = 1; |
3d7aafde | 947 | else |
36a5eadd GK |
948 | for (k = strlen (rtx_format[i]) - 1; k >= 0; k--) |
949 | if (rtx_format[i][k] == 'e' || rtx_format[i][k] == 'u') | |
5ba6918e | 950 | rtx_next_new[i] = k; |
36a5eadd GK |
951 | } |
952 | } | |
953 | ||
954 | /* Write out the contents of the rtx_next array. */ | |
955 | static void | |
3d7aafde | 956 | write_rtx_next (void) |
36a5eadd GK |
957 | { |
958 | outf_p f = get_output_file_with_visibility (NULL); | |
959 | int i; | |
b8698a0f | 960 | if (!f) |
bd117bb6 | 961 | return; |
3d7aafde | 962 | |
36a5eadd | 963 | oprintf (f, "\n/* Used to implement the RTX_NEXT macro. */\n"); |
6bc7bc14 | 964 | oprintf (f, "EXPORTED_CONST unsigned char rtx_next[NUM_RTX_CODE] = {\n"); |
36a5eadd | 965 | for (i = 0; i < NUM_RTX_CODE; i++) |
5ba6918e | 966 | if (rtx_next_new[i] == -1) |
36a5eadd GK |
967 | oprintf (f, " 0,\n"); |
968 | else | |
3d7aafde | 969 | oprintf (f, |
e1b793e7 | 970 | " RTX_HDR_SIZE + %d * sizeof (rtunion),\n", rtx_next_new[i]); |
36a5eadd GK |
971 | oprintf (f, "};\n"); |
972 | } | |
973 | ||
974 | /* Handle `special("rtx_def")'. This is a special case for field | |
975 | `fld' of struct rtx_def, which is an array of unions whose values | |
976 | are based in a complex way on the type of RTL. */ | |
977 | ||
978 | static type_p | |
e18476eb | 979 | adjust_field_rtx_def (type_p t, options_p ARG_UNUSED (opt)) |
36a5eadd GK |
980 | { |
981 | pair_p flds = NULL; | |
982 | options_p nodot; | |
983 | int i; | |
984 | type_p rtx_tp, rtvec_tp, tree_tp, mem_attrs_tp, note_union_tp, scalar_tp; | |
a2c9fe42 | 985 | type_p basic_block_tp, reg_attrs_tp, constant_tp, symbol_union_tp; |
36a5eadd | 986 | |
e1de1560 | 987 | if (t->kind != TYPE_UNION) |
36a5eadd | 988 | { |
3d7aafde | 989 | error_at_line (&lexer_line, |
e1de1560 | 990 | "special `rtx_def' must be applied to a union"); |
36a5eadd GK |
991 | return &string_type; |
992 | } | |
3d7aafde | 993 | |
412dc29d | 994 | nodot = create_string_option (NULL, "dot", ""); |
36a5eadd GK |
995 | |
996 | rtx_tp = create_pointer (find_structure ("rtx_def", 0)); | |
997 | rtvec_tp = create_pointer (find_structure ("rtvec_def", 0)); | |
998 | tree_tp = create_pointer (find_structure ("tree_node", 1)); | |
999 | mem_attrs_tp = create_pointer (find_structure ("mem_attrs", 0)); | |
412dc29d BS |
1000 | reg_attrs_tp = |
1001 | create_pointer (find_structure ("reg_attrs", 0)); | |
1002 | basic_block_tp = | |
1003 | create_pointer (find_structure ("basic_block_def", 0)); | |
e1b793e7 BS |
1004 | constant_tp = |
1005 | create_pointer (find_structure ("constant_descriptor_rtx", 0)); | |
1006 | scalar_tp = &scalar_nonchar; /* rtunion int */ | |
36a5eadd GK |
1007 | |
1008 | { | |
1009 | pair_p note_flds = NULL; | |
1010 | int c; | |
5ba6918e | 1011 | |
9e995780 | 1012 | for (c = 0; c <= NOTE_INSN_MAX; c++) |
36a5eadd | 1013 | { |
5ba6918e GK |
1014 | switch (c) |
1015 | { | |
5ba6918e | 1016 | case NOTE_INSN_MAX: |
1bcca2c5 | 1017 | case NOTE_INSN_DELETED_LABEL: |
5619e52c | 1018 | case NOTE_INSN_DELETED_DEBUG_LABEL: |
0f01f026 | 1019 | note_flds = create_field (note_flds, &string_type, "rt_str"); |
5ba6918e GK |
1020 | break; |
1021 | ||
1022 | case NOTE_INSN_BLOCK_BEG: | |
1023 | case NOTE_INSN_BLOCK_END: | |
0f01f026 | 1024 | note_flds = create_field (note_flds, tree_tp, "rt_tree"); |
5ba6918e | 1025 | break; |
3d7aafde | 1026 | |
014a1138 | 1027 | case NOTE_INSN_VAR_LOCATION: |
2b1c5433 | 1028 | case NOTE_INSN_CALL_ARG_LOCATION: |
0f01f026 | 1029 | note_flds = create_field (note_flds, rtx_tp, "rt_rtx"); |
5ba6918e GK |
1030 | break; |
1031 | ||
1032 | default: | |
0f01f026 | 1033 | note_flds = create_field (note_flds, scalar_tp, "rt_int"); |
5ba6918e GK |
1034 | break; |
1035 | } | |
0f01f026 RS |
1036 | /* NOTE_INSN_MAX is used as the default field for line |
1037 | number notes. */ | |
1038 | if (c == NOTE_INSN_MAX) | |
412dc29d BS |
1039 | note_flds->opt = |
1040 | create_string_option (nodot, "default", ""); | |
0f01f026 | 1041 | else |
412dc29d BS |
1042 | note_flds->opt = |
1043 | create_string_option (nodot, "tag", note_insn_name[c]); | |
36a5eadd | 1044 | } |
0f01f026 RS |
1045 | note_union_tp = new_structure ("rtx_def_note_subunion", 1, |
1046 | &lexer_line, note_flds, NULL); | |
36a5eadd | 1047 | } |
c185c797 RS |
1048 | /* Create a type to represent the various forms of SYMBOL_REF_DATA. */ |
1049 | { | |
1050 | pair_p sym_flds; | |
c185c797 | 1051 | sym_flds = create_field (NULL, tree_tp, "rt_tree"); |
412dc29d | 1052 | sym_flds->opt = create_string_option (nodot, "default", ""); |
c185c797 | 1053 | sym_flds = create_field (sym_flds, constant_tp, "rt_constant"); |
412dc29d | 1054 | sym_flds->opt = create_string_option (nodot, "tag", "1"); |
c185c797 RS |
1055 | symbol_union_tp = new_structure ("rtx_def_symbol_subunion", 1, |
1056 | &lexer_line, sym_flds, NULL); | |
1057 | } | |
36a5eadd GK |
1058 | for (i = 0; i < NUM_RTX_CODE; i++) |
1059 | { | |
36a5eadd GK |
1060 | pair_p subfields = NULL; |
1061 | size_t aindex, nmindex; | |
1062 | const char *sname; | |
0f01f026 | 1063 | type_p substruct; |
36a5eadd GK |
1064 | char *ftag; |
1065 | ||
1066 | for (aindex = 0; aindex < strlen (rtx_format[i]); aindex++) | |
1067 | { | |
36a5eadd GK |
1068 | type_p t; |
1069 | const char *subname; | |
1070 | ||
1071 | switch (rtx_format[i][aindex]) | |
1072 | { | |
1073 | case '*': | |
1074 | case 'i': | |
1075 | case 'n': | |
1076 | case 'w': | |
1077 | t = scalar_tp; | |
9ce88f5e | 1078 | subname = "rt_int"; |
36a5eadd GK |
1079 | break; |
1080 | ||
1081 | case '0': | |
1082 | if (i == MEM && aindex == 1) | |
9ce88f5e | 1083 | t = mem_attrs_tp, subname = "rt_mem"; |
6fb5fa3c | 1084 | else if (i == JUMP_INSN && aindex == 8) |
9ce88f5e | 1085 | t = rtx_tp, subname = "rt_rtx"; |
36a5eadd | 1086 | else if (i == CODE_LABEL && aindex == 5) |
418e920f BS |
1087 | t = scalar_tp, subname = "rt_int"; |
1088 | else if (i == CODE_LABEL && aindex == 4) | |
9ce88f5e | 1089 | t = rtx_tp, subname = "rt_rtx"; |
e1b793e7 | 1090 | else if (i == LABEL_REF && (aindex == 1 || aindex == 2)) |
9ce88f5e | 1091 | t = rtx_tp, subname = "rt_rtx"; |
418e920f | 1092 | else if (i == NOTE && aindex == 4) |
0f953f83 JJ |
1093 | t = note_union_tp, subname = ""; |
1094 | else if (i == NOTE && aindex == 5) | |
a38e7aa5 | 1095 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1096 | else if (i == NOTE && aindex >= 7) |
9ce88f5e | 1097 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1098 | else if (i == ADDR_DIFF_VEC && aindex == 4) |
9ce88f5e | 1099 | t = scalar_tp, subname = "rt_int"; |
36a5eadd | 1100 | else if (i == VALUE && aindex == 0) |
9ce88f5e | 1101 | t = scalar_tp, subname = "rt_int"; |
0ca5af51 AO |
1102 | else if (i == DEBUG_EXPR && aindex == 0) |
1103 | t = tree_tp, subname = "rt_tree"; | |
36a5eadd | 1104 | else if (i == REG && aindex == 1) |
9ce88f5e | 1105 | t = scalar_tp, subname = "rt_int"; |
a560d4d4 | 1106 | else if (i == REG && aindex == 2) |
9ce88f5e | 1107 | t = reg_attrs_tp, subname = "rt_reg"; |
36a5eadd | 1108 | else if (i == SCRATCH && aindex == 0) |
9ce88f5e | 1109 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1110 | else if (i == SYMBOL_REF && aindex == 1) |
9ce88f5e | 1111 | t = scalar_tp, subname = "rt_int"; |
52859c77 | 1112 | else if (i == SYMBOL_REF && aindex == 2) |
c185c797 | 1113 | t = symbol_union_tp, subname = ""; |
36a5eadd | 1114 | else if (i == BARRIER && aindex >= 3) |
9ce88f5e | 1115 | t = scalar_tp, subname = "rt_int"; |
a58a8e4b JJ |
1116 | else if (i == ENTRY_VALUE && aindex == 0) |
1117 | t = rtx_tp, subname = "rt_rtx"; | |
36a5eadd GK |
1118 | else |
1119 | { | |
412dc29d BS |
1120 | error_at_line |
1121 | (&lexer_line, | |
1122 | "rtx type `%s' has `0' in position %lu, can't handle", | |
1123 | rtx_name[i], (unsigned long) aindex); | |
36a5eadd | 1124 | t = &string_type; |
9ce88f5e | 1125 | subname = "rt_int"; |
36a5eadd GK |
1126 | } |
1127 | break; | |
3d7aafde | 1128 | |
36a5eadd GK |
1129 | case 's': |
1130 | case 'S': | |
1131 | case 'T': | |
1132 | t = &string_type; | |
9ce88f5e | 1133 | subname = "rt_str"; |
36a5eadd GK |
1134 | break; |
1135 | ||
1136 | case 'e': | |
1137 | case 'u': | |
1138 | t = rtx_tp; | |
9ce88f5e | 1139 | subname = "rt_rtx"; |
36a5eadd GK |
1140 | break; |
1141 | ||
1142 | case 'E': | |
1143 | case 'V': | |
1144 | t = rtvec_tp; | |
9ce88f5e | 1145 | subname = "rt_rtvec"; |
36a5eadd GK |
1146 | break; |
1147 | ||
1148 | case 't': | |
1149 | t = tree_tp; | |
9ce88f5e | 1150 | subname = "rt_tree"; |
36a5eadd GK |
1151 | break; |
1152 | ||
36a5eadd GK |
1153 | case 'B': |
1154 | t = basic_block_tp; | |
9ce88f5e | 1155 | subname = "rt_bb"; |
36a5eadd GK |
1156 | break; |
1157 | ||
1158 | default: | |
412dc29d BS |
1159 | error_at_line |
1160 | (&lexer_line, | |
1161 | "rtx type `%s' has `%c' in position %lu, can't handle", | |
1162 | rtx_name[i], rtx_format[i][aindex], | |
1163 | (unsigned long) aindex); | |
36a5eadd | 1164 | t = &string_type; |
9ce88f5e | 1165 | subname = "rt_int"; |
36a5eadd GK |
1166 | break; |
1167 | } | |
1168 | ||
0f01f026 RS |
1169 | subfields = create_field (subfields, t, |
1170 | xasprintf (".fld[%lu].%s", | |
1171 | (unsigned long) aindex, | |
1172 | subname)); | |
1173 | subfields->opt = nodot; | |
36a5eadd | 1174 | if (t == note_union_tp) |
412dc29d BS |
1175 | subfields->opt = |
1176 | create_string_option (subfields->opt, "desc", | |
1177 | "NOTE_KIND (&%0)"); | |
c185c797 | 1178 | if (t == symbol_union_tp) |
412dc29d BS |
1179 | subfields->opt = |
1180 | create_string_option (subfields->opt, "desc", | |
1181 | "CONSTANT_POOL_ADDRESS_P (&%0)"); | |
36a5eadd GK |
1182 | } |
1183 | ||
aacd3885 RS |
1184 | if (i == SYMBOL_REF) |
1185 | { | |
412dc29d BS |
1186 | /* Add the "block_sym" field if SYMBOL_REF_HAS_BLOCK_INFO_P |
1187 | holds. */ | |
aacd3885 | 1188 | type_p field_tp = find_structure ("block_symbol", 0); |
3fa9c136 RS |
1189 | subfields |
1190 | = create_optional_field (subfields, field_tp, "block_sym", | |
1191 | "SYMBOL_REF_HAS_BLOCK_INFO_P (&%0)"); | |
aacd3885 RS |
1192 | } |
1193 | ||
36a5eadd | 1194 | sname = xasprintf ("rtx_def_%s", rtx_name[i]); |
0f01f026 RS |
1195 | substruct = new_structure (sname, 0, &lexer_line, subfields, NULL); |
1196 | ||
36a5eadd GK |
1197 | ftag = xstrdup (rtx_name[i]); |
1198 | for (nmindex = 0; nmindex < strlen (ftag); nmindex++) | |
1199 | ftag[nmindex] = TOUPPER (ftag[nmindex]); | |
0f01f026 | 1200 | flds = create_field (flds, substruct, ""); |
412dc29d | 1201 | flds->opt = create_string_option (nodot, "tag", ftag); |
36a5eadd | 1202 | } |
0f01f026 | 1203 | return new_structure ("rtx_def_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1204 | } |
1205 | ||
1206 | /* Handle `special("tree_exp")'. This is a special case for | |
1207 | field `operands' of struct tree_exp, which although it claims to contain | |
3d7aafde | 1208 | pointers to trees, actually sometimes contains pointers to RTL too. |
36a5eadd GK |
1209 | Passed T, the old type of the field, and OPT its options. Returns |
1210 | a new type for the field. */ | |
1211 | ||
1212 | static type_p | |
3d7aafde | 1213 | adjust_field_tree_exp (type_p t, options_p opt ATTRIBUTE_UNUSED) |
36a5eadd GK |
1214 | { |
1215 | pair_p flds; | |
1216 | options_p nodot; | |
3d7aafde | 1217 | |
36a5eadd GK |
1218 | if (t->kind != TYPE_ARRAY) |
1219 | { | |
3d7aafde | 1220 | error_at_line (&lexer_line, |
36a5eadd GK |
1221 | "special `tree_exp' must be applied to an array"); |
1222 | return &string_type; | |
1223 | } | |
3d7aafde | 1224 | |
412dc29d | 1225 | nodot = create_string_option (NULL, "dot", ""); |
0f01f026 RS |
1226 | |
1227 | flds = create_field (NULL, t, ""); | |
412dc29d BS |
1228 | flds->opt = create_string_option (nodot, "length", |
1229 | "TREE_OPERAND_LENGTH ((tree) &%0)"); | |
1230 | flds->opt = create_string_option (flds->opt, "default", ""); | |
3d7aafde | 1231 | |
0f01f026 | 1232 | return new_structure ("tree_exp_subunion", 1, &lexer_line, flds, nodot); |
36a5eadd GK |
1233 | } |
1234 | ||
9f313342 GK |
1235 | /* Perform any special processing on a type T, about to become the type |
1236 | of a field. Return the appropriate type for the field. | |
1237 | At present: | |
1238 | - Converts pointer-to-char, with no length parameter, to TYPE_STRING; | |
1239 | - Similarly for arrays of pointer-to-char; | |
1240 | - Converts structures for which a parameter is provided to | |
36a5eadd GK |
1241 | TYPE_PARAM_STRUCT; |
1242 | - Handles "special" options. | |
3d7aafde | 1243 | */ |
9f313342 | 1244 | |
e2500fed | 1245 | type_p |
3d7aafde | 1246 | adjust_field_type (type_p t, options_p opt) |
e2500fed GK |
1247 | { |
1248 | int length_p = 0; | |
1249 | const int pointer_p = t->kind == TYPE_POINTER; | |
36a5eadd GK |
1250 | type_p params[NUM_PARAM]; |
1251 | int params_p = 0; | |
1252 | int i; | |
1253 | ||
1254 | for (i = 0; i < NUM_PARAM; i++) | |
1255 | params[i] = NULL; | |
3d7aafde | 1256 | |
e2500fed GK |
1257 | for (; opt; opt = opt->next) |
1258 | if (strcmp (opt->name, "length") == 0) | |
1259 | length_p = 1; | |
412dc29d BS |
1260 | else if ((strcmp (opt->name, "param_is") == 0 |
1261 | || (strncmp (opt->name, "param", 5) == 0 | |
1262 | && ISDIGIT (opt->name[5]) | |
1263 | && strcmp (opt->name + 6, "_is") == 0)) | |
1264 | && opt->kind == OPTION_TYPE) | |
e2500fed | 1265 | { |
36a5eadd | 1266 | int num = ISDIGIT (opt->name[5]) ? opt->name[5] - '0' : 0; |
e2500fed | 1267 | |
e1b793e7 BS |
1268 | if (!UNION_OR_STRUCT_P (t) |
1269 | && (t->kind != TYPE_POINTER || !UNION_OR_STRUCT_P (t->u.p))) | |
36a5eadd | 1270 | { |
3d7aafde | 1271 | error_at_line (&lexer_line, |
e1b793e7 | 1272 | "option `%s' may only be applied to structures or structure pointers", |
36a5eadd GK |
1273 | opt->name); |
1274 | return t; | |
1275 | } | |
1276 | ||
1277 | params_p = 1; | |
1278 | if (params[num] != NULL) | |
1279 | error_at_line (&lexer_line, "duplicate `%s' option", opt->name); | |
e1b793e7 | 1280 | if (!ISDIGIT (opt->name[5])) |
412dc29d | 1281 | params[num] = create_pointer (opt->info.type); |
36a5eadd | 1282 | else |
412dc29d | 1283 | params[num] = opt->info.type; |
e2500fed | 1284 | } |
412dc29d BS |
1285 | else if (strcmp (opt->name, "special") == 0 |
1286 | && opt->kind == OPTION_STRING) | |
36a5eadd | 1287 | { |
412dc29d | 1288 | const char *special_name = opt->info.string; |
36a5eadd GK |
1289 | if (strcmp (special_name, "tree_exp") == 0) |
1290 | t = adjust_field_tree_exp (t, opt); | |
1291 | else if (strcmp (special_name, "rtx_def") == 0) | |
1292 | t = adjust_field_rtx_def (t, opt); | |
1293 | else | |
1294 | error_at_line (&lexer_line, "unknown special `%s'", special_name); | |
1295 | } | |
1296 | ||
1297 | if (params_p) | |
1298 | { | |
1299 | type_p realt; | |
3d7aafde | 1300 | |
36a5eadd GK |
1301 | if (pointer_p) |
1302 | t = t->u.p; | |
1303 | realt = find_param_structure (t, params); | |
1304 | t = pointer_p ? create_pointer (realt) : realt; | |
1305 | } | |
1306 | ||
e1b793e7 BS |
1307 | if (!length_p |
1308 | && pointer_p && t->u.p->kind == TYPE_SCALAR && t->u.p->u.scalar_is_char) | |
e2500fed GK |
1309 | return &string_type; |
1310 | if (t->kind == TYPE_ARRAY && t->u.a.p->kind == TYPE_POINTER | |
1311 | && t->u.a.p->u.p->kind == TYPE_SCALAR | |
95161faf | 1312 | && t->u.a.p->u.p->u.scalar_is_char) |
e2500fed GK |
1313 | return create_array (&string_type, t->u.a.len); |
1314 | ||
1315 | return t; | |
1316 | } | |
e2500fed | 1317 | \f |
e1b793e7 | 1318 | |
3d7aafde AJ |
1319 | static void set_gc_used_type (type_p, enum gc_used_enum, type_p *); |
1320 | static void set_gc_used (pair_p); | |
e2500fed | 1321 | |
9f313342 GK |
1322 | /* Handle OPT for set_gc_used_type. */ |
1323 | ||
e2500fed | 1324 | static void |
3d7aafde | 1325 | process_gc_options (options_p opt, enum gc_used_enum level, int *maybe_undef, |
e1b793e7 BS |
1326 | int *pass_param, int *length, int *skip, |
1327 | type_p *nested_ptr) | |
e2500fed GK |
1328 | { |
1329 | options_p o; | |
1330 | for (o = opt; o; o = o->next) | |
412dc29d BS |
1331 | if (strcmp (o->name, "ptr_alias") == 0 && level == GC_POINTED_TO |
1332 | && o->kind == OPTION_TYPE) | |
1333 | set_gc_used_type (o->info.type, | |
7cbb2a85 | 1334 | GC_POINTED_TO, NULL); |
e2500fed GK |
1335 | else if (strcmp (o->name, "maybe_undef") == 0) |
1336 | *maybe_undef = 1; | |
36a5eadd GK |
1337 | else if (strcmp (o->name, "use_params") == 0) |
1338 | *pass_param = 1; | |
1339 | else if (strcmp (o->name, "length") == 0) | |
1340 | *length = 1; | |
5932ca9d ZW |
1341 | else if (strcmp (o->name, "skip") == 0) |
1342 | *skip = 1; | |
412dc29d BS |
1343 | else if (strcmp (o->name, "nested_ptr") == 0 |
1344 | && o->kind == OPTION_NESTED) | |
1345 | *nested_ptr = ((const struct nested_ptr_data *) o->info.nested)->type; | |
e2500fed GK |
1346 | } |
1347 | ||
9f313342 | 1348 | |
412dc29d | 1349 | /* Set the gc_used field of T to LEVEL, and handle the types it references. */ |
e2500fed | 1350 | static void |
3d7aafde | 1351 | set_gc_used_type (type_p t, enum gc_used_enum level, type_p param[NUM_PARAM]) |
e2500fed GK |
1352 | { |
1353 | if (t->gc_used >= level) | |
1354 | return; | |
3d7aafde | 1355 | |
e2500fed GK |
1356 | t->gc_used = level; |
1357 | ||
1358 | switch (t->kind) | |
1359 | { | |
1360 | case TYPE_STRUCT: | |
1361 | case TYPE_UNION: | |
1362 | { | |
1363 | pair_p f; | |
1364 | int dummy; | |
d8044160 | 1365 | type_p dummy2; |
e2500fed | 1366 | |
5932ca9d | 1367 | process_gc_options (t->u.s.opt, level, &dummy, &dummy, &dummy, &dummy, |
d8044160 | 1368 | &dummy2); |
e2500fed GK |
1369 | |
1370 | for (f = t->u.s.fields; f; f = f->next) | |
1371 | { | |
1372 | int maybe_undef = 0; | |
36a5eadd GK |
1373 | int pass_param = 0; |
1374 | int length = 0; | |
5932ca9d | 1375 | int skip = 0; |
d8044160 | 1376 | type_p nested_ptr = NULL; |
36a5eadd | 1377 | process_gc_options (f->opt, level, &maybe_undef, &pass_param, |
5932ca9d | 1378 | &length, &skip, &nested_ptr); |
3d7aafde | 1379 | |
d8044160 | 1380 | if (nested_ptr && f->type->kind == TYPE_POINTER) |
b8698a0f | 1381 | set_gc_used_type (nested_ptr, GC_POINTED_TO, |
d8044160 GK |
1382 | pass_param ? param : NULL); |
1383 | else if (length && f->type->kind == TYPE_POINTER) | |
36a5eadd GK |
1384 | set_gc_used_type (f->type->u.p, GC_USED, NULL); |
1385 | else if (maybe_undef && f->type->kind == TYPE_POINTER) | |
1386 | set_gc_used_type (f->type->u.p, GC_MAYBE_POINTED_TO, NULL); | |
1387 | else if (pass_param && f->type->kind == TYPE_POINTER && param) | |
1388 | set_gc_used_type (find_param_structure (f->type->u.p, param), | |
1389 | GC_POINTED_TO, NULL); | |
5932ca9d | 1390 | else if (skip) |
e1b793e7 | 1391 | ; /* target type is not used through this field */ |
e2500fed | 1392 | else |
36a5eadd | 1393 | set_gc_used_type (f->type, GC_USED, pass_param ? param : NULL); |
e2500fed GK |
1394 | } |
1395 | break; | |
1396 | } | |
1397 | ||
1398 | case TYPE_POINTER: | |
36a5eadd | 1399 | set_gc_used_type (t->u.p, GC_POINTED_TO, NULL); |
e2500fed GK |
1400 | break; |
1401 | ||
1402 | case TYPE_ARRAY: | |
36a5eadd | 1403 | set_gc_used_type (t->u.a.p, GC_USED, param); |
e2500fed | 1404 | break; |
3d7aafde | 1405 | |
e2500fed GK |
1406 | case TYPE_LANG_STRUCT: |
1407 | for (t = t->u.s.lang_struct; t; t = t->next) | |
36a5eadd | 1408 | set_gc_used_type (t, level, param); |
e2500fed GK |
1409 | break; |
1410 | ||
1411 | case TYPE_PARAM_STRUCT: | |
36a5eadd GK |
1412 | { |
1413 | int i; | |
1414 | for (i = 0; i < NUM_PARAM; i++) | |
1415 | if (t->u.param_struct.param[i] != 0) | |
1416 | set_gc_used_type (t->u.param_struct.param[i], GC_USED, NULL); | |
1417 | } | |
1418 | if (t->u.param_struct.stru->gc_used == GC_POINTED_TO) | |
1419 | level = GC_POINTED_TO; | |
1420 | else | |
1421 | level = GC_USED; | |
1422 | t->u.param_struct.stru->gc_used = GC_UNUSED; | |
3d7aafde | 1423 | set_gc_used_type (t->u.param_struct.stru, level, |
36a5eadd | 1424 | t->u.param_struct.param); |
e2500fed GK |
1425 | break; |
1426 | ||
1427 | default: | |
1428 | break; | |
1429 | } | |
1430 | } | |
1431 | ||
36a5eadd | 1432 | /* Set the gc_used fields of all the types pointed to by VARIABLES. */ |
9f313342 | 1433 | |
e2500fed | 1434 | static void |
3d7aafde | 1435 | set_gc_used (pair_p variables) |
e2500fed | 1436 | { |
1d32bbcd | 1437 | int nbvars = 0; |
e2500fed GK |
1438 | pair_p p; |
1439 | for (p = variables; p; p = p->next) | |
1d32bbcd BS |
1440 | { |
1441 | set_gc_used_type (p->type, GC_USED, NULL); | |
1442 | nbvars++; | |
1443 | }; | |
1444 | if (verbosity_level >= 2) | |
1445 | printf ("%s used %d GTY-ed variables\n", progname, nbvars); | |
e2500fed GK |
1446 | } |
1447 | \f | |
1448 | /* File mapping routines. For each input file, there is one output .c file | |
1449 | (but some output files have many input files), and there is one .h file | |
1450 | for the whole build. */ | |
1451 | ||
065ae611 | 1452 | /* Output file handling. */ |
e2500fed | 1453 | |
e03856fe GK |
1454 | /* Create and return an outf_p for a new file for NAME, to be called |
1455 | ONAME. */ | |
9f313342 | 1456 | |
e03856fe | 1457 | static outf_p |
3d7aafde | 1458 | create_file (const char *name, const char *oname) |
e2500fed GK |
1459 | { |
1460 | static const char *const hdr[] = { | |
bd117bb6 | 1461 | " Copyright (C) 2004, 2007, 2009 Free Software Foundation, Inc.\n", |
e2500fed GK |
1462 | "\n", |
1463 | "This file is part of GCC.\n", | |
1464 | "\n", | |
1465 | "GCC is free software; you can redistribute it and/or modify it under\n", | |
1466 | "the terms of the GNU General Public License as published by the Free\n", | |
9dcd6f09 | 1467 | "Software Foundation; either version 3, or (at your option) any later\n", |
e2500fed GK |
1468 | "version.\n", |
1469 | "\n", | |
1470 | "GCC is distributed in the hope that it will be useful, but WITHOUT ANY\n", | |
1471 | "WARRANTY; without even the implied warranty of MERCHANTABILITY or\n", | |
1472 | "FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License\n", | |
1473 | "for more details.\n", | |
1474 | "\n", | |
1475 | "You should have received a copy of the GNU General Public License\n", | |
9dcd6f09 NC |
1476 | "along with GCC; see the file COPYING3. If not see\n", |
1477 | "<http://www.gnu.org/licenses/>. */\n", | |
e2500fed GK |
1478 | "\n", |
1479 | "/* This file is machine generated. Do not edit. */\n" | |
1480 | }; | |
e03856fe | 1481 | outf_p f; |
e2500fed | 1482 | size_t i; |
3d7aafde | 1483 | |
bd117bb6 BS |
1484 | gcc_assert (name != NULL); |
1485 | gcc_assert (oname != NULL); | |
5d038c4c | 1486 | f = XCNEW (struct outf); |
e03856fe GK |
1487 | f->next = output_files; |
1488 | f->name = oname; | |
1489 | output_files = f; | |
1490 | ||
1491 | oprintf (f, "/* Type information for %s.\n", name); | |
62c71f4b | 1492 | for (i = 0; i < ARRAY_SIZE (hdr); i++) |
e03856fe | 1493 | oprintf (f, "%s", hdr[i]); |
e2500fed GK |
1494 | return f; |
1495 | } | |
1496 | ||
b8698a0f | 1497 | /* Print, like fprintf, to O. |
311e3ff0 ZW |
1498 | N.B. You might think this could be implemented more efficiently |
1499 | with vsnprintf(). Unfortunately, there are C libraries that | |
1500 | provide that function but without the C99 semantics for its return | |
1501 | value, making it impossible to know how much space is required. */ | |
3d7aafde | 1502 | void |
e34d07f2 | 1503 | oprintf (outf_p o, const char *format, ...) |
e03856fe | 1504 | { |
311e3ff0 | 1505 | char *s; |
e03856fe | 1506 | size_t slength; |
311e3ff0 | 1507 | va_list ap; |
3d7aafde | 1508 | |
bd117bb6 BS |
1509 | /* In plugin mode, the O could be a NULL pointer, so avoid crashing |
1510 | in that case. */ | |
b8698a0f | 1511 | if (!o) |
bd117bb6 BS |
1512 | return; |
1513 | ||
311e3ff0 ZW |
1514 | va_start (ap, format); |
1515 | slength = vasprintf (&s, format, ap); | |
e1b793e7 | 1516 | if (s == NULL || (int) slength < 0) |
311e3ff0 ZW |
1517 | fatal ("out of memory"); |
1518 | va_end (ap); | |
e03856fe | 1519 | |
311e3ff0 | 1520 | if (o->bufused + slength > o->buflength) |
e03856fe GK |
1521 | { |
1522 | size_t new_len = o->buflength; | |
1523 | if (new_len == 0) | |
1524 | new_len = 1024; | |
e1b793e7 BS |
1525 | do |
1526 | { | |
1527 | new_len *= 2; | |
1528 | } | |
1529 | while (o->bufused + slength >= new_len); | |
cca8ead2 | 1530 | o->buf = XRESIZEVEC (char, o->buf, new_len); |
e03856fe GK |
1531 | o->buflength = new_len; |
1532 | } | |
311e3ff0 | 1533 | memcpy (o->buf + o->bufused, s, slength); |
e03856fe | 1534 | o->bufused += slength; |
311e3ff0 | 1535 | free (s); |
e03856fe GK |
1536 | } |
1537 | ||
9f313342 GK |
1538 | /* Open the global header file and the language-specific header files. */ |
1539 | ||
e2500fed | 1540 | static void |
3d7aafde | 1541 | open_base_files (void) |
e2500fed GK |
1542 | { |
1543 | size_t i; | |
3d7aafde | 1544 | |
bd117bb6 BS |
1545 | if (nb_plugin_files > 0 && plugin_files) |
1546 | return; | |
1547 | ||
e03856fe | 1548 | header_file = create_file ("GCC", "gtype-desc.h"); |
e2500fed | 1549 | |
11a67599 ZW |
1550 | base_files = XNEWVEC (outf_p, num_lang_dirs); |
1551 | ||
1552 | for (i = 0; i < num_lang_dirs; i++) | |
3d7aafde | 1553 | base_files[i] = create_file (lang_dir_names[i], |
8ac9d31f | 1554 | xasprintf ("gtype-%s.h", lang_dir_names[i])); |
e03856fe GK |
1555 | |
1556 | /* gtype-desc.c is a little special, so we create it here. */ | |
1557 | { | |
1558 | /* The order of files here matters very much. */ | |
e1b793e7 | 1559 | static const char *const ifiles[] = { |
b6feb796 | 1560 | "config.h", "system.h", "coretypes.h", "tm.h", |
e1b793e7 | 1561 | "hashtab.h", "splay-tree.h", "obstack.h", "bitmap.h", "input.h", |
7932a3db NS |
1562 | "tree.h", "rtl.h", "function.h", "insn-config.h", "expr.h", |
1563 | "hard-reg-set.h", "basic-block.h", "cselib.h", "insn-addr.h", | |
1564 | "optabs.h", "libfuncs.h", "debug.h", "ggc.h", "cgraph.h", | |
1565 | "tree-flow.h", "reload.h", "cpp-id-data.h", "tree-chrec.h", | |
78bde837 | 1566 | "except.h", "output.h", "gimple.h", "cfgloop.h", |
632b4f8e | 1567 | "target.h", "ipa-prop.h", "lto-streamer.h", "target-globals.h", |
647a1567 | 1568 | "ipa-inline.h", "dwarf2out.h", NULL |
e03856fe GK |
1569 | }; |
1570 | const char *const *ifp; | |
1571 | outf_p gtype_desc_c; | |
3d7aafde | 1572 | |
e03856fe GK |
1573 | gtype_desc_c = create_file ("GCC", "gtype-desc.c"); |
1574 | for (ifp = ifiles; *ifp; ifp++) | |
1575 | oprintf (gtype_desc_c, "#include \"%s\"\n", *ifp); | |
5576d6f2 TT |
1576 | |
1577 | /* Make sure we handle "cfun" specially. */ | |
1578 | oprintf (gtype_desc_c, "\n/* See definition in function.h. */\n"); | |
1579 | oprintf (gtype_desc_c, "#undef cfun\n"); | |
e03856fe | 1580 | } |
e2500fed GK |
1581 | } |
1582 | ||
14c4815e BS |
1583 | /* For INPF an input file, return the real basename of INPF, with all |
1584 | the directory components skipped. */ | |
8de8de02 OH |
1585 | |
1586 | static const char * | |
14c4815e | 1587 | get_file_realbasename (const input_file *inpf) |
8de8de02 | 1588 | { |
ba78087b | 1589 | return lbasename (get_input_file_name (inpf)); |
8de8de02 OH |
1590 | } |
1591 | ||
14c4815e BS |
1592 | /* For INPF a filename, return the relative path to INPF from |
1593 | $(srcdir) if the latter is a prefix in INPF, NULL otherwise. */ | |
8de8de02 | 1594 | |
14c4815e BS |
1595 | const char * |
1596 | get_file_srcdir_relative_path (const input_file *inpf) | |
8de8de02 | 1597 | { |
14c4815e | 1598 | const char *f = get_input_file_name (inpf); |
8de8de02 OH |
1599 | if (strlen (f) > srcdir_len |
1600 | && IS_DIR_SEPARATOR (f[srcdir_len]) | |
14c4815e | 1601 | && strncmp (f, srcdir, srcdir_len) == 0) |
8de8de02 OH |
1602 | return f + srcdir_len + 1; |
1603 | else | |
1604 | return NULL; | |
1605 | } | |
1606 | ||
14c4815e BS |
1607 | /* For INPF an input_file, return the relative path to INPF from |
1608 | $(srcdir) if the latter is a prefix in INPF, or the real basename | |
1609 | of INPF otherwise. */ | |
9f313342 | 1610 | |
e2500fed | 1611 | static const char * |
14c4815e | 1612 | get_file_basename (const input_file *inpf) |
e2500fed | 1613 | { |
14c4815e | 1614 | const char *srcdir_path = get_file_srcdir_relative_path (inpf); |
3d7aafde | 1615 | |
14c4815e | 1616 | return (srcdir_path != NULL) ? srcdir_path : get_file_realbasename (inpf); |
8de8de02 | 1617 | } |
3d7aafde | 1618 | |
8de8de02 OH |
1619 | /* For F a filename, return the lang_dir_names relative index of the language |
1620 | directory that is a prefix in F, if any, -1 otherwise. */ | |
3d7aafde | 1621 | |
8de8de02 OH |
1622 | static int |
1623 | get_prefix_langdir_index (const char *f) | |
1624 | { | |
1625 | size_t f_len = strlen (f); | |
1626 | size_t lang_index; | |
3d7aafde | 1627 | |
8de8de02 | 1628 | for (lang_index = 0; lang_index < num_lang_dirs; lang_index++) |
8ac9d31f | 1629 | { |
e1b793e7 | 1630 | const char *langdir = lang_dir_names[lang_index]; |
8de8de02 | 1631 | size_t langdir_len = strlen (langdir); |
b8698a0f | 1632 | |
8de8de02 OH |
1633 | if (f_len > langdir_len |
1634 | && IS_DIR_SEPARATOR (f[langdir_len]) | |
1635 | && memcmp (f, langdir, langdir_len) == 0) | |
1636 | return lang_index; | |
8ac9d31f | 1637 | } |
3d7aafde | 1638 | |
8de8de02 OH |
1639 | return -1; |
1640 | } | |
1641 | ||
14c4815e BS |
1642 | /* For INPF an input file, return the name of language directory where |
1643 | F is located, if any, NULL otherwise. */ | |
8de8de02 OH |
1644 | |
1645 | static const char * | |
14c4815e | 1646 | get_file_langdir (const input_file *inpf) |
8de8de02 | 1647 | { |
14c4815e BS |
1648 | /* Get the relative path to INPF from $(srcdir) and find the |
1649 | language by comparing the prefix with language directory names. | |
1650 | If INPF is not even srcdir relative, no point in looking | |
1651 | further. */ | |
8de8de02 OH |
1652 | |
1653 | int lang_index; | |
14c4815e | 1654 | const char *srcdir_relative_path = get_file_srcdir_relative_path (inpf); |
e1b793e7 | 1655 | const char *r; |
8de8de02 OH |
1656 | |
1657 | if (!srcdir_relative_path) | |
1658 | return NULL; | |
1659 | ||
1660 | lang_index = get_prefix_langdir_index (srcdir_relative_path); | |
e1b793e7 | 1661 | if (lang_index < 0 && strncmp (srcdir_relative_path, "c-family", 8) == 0) |
39dabefd SB |
1662 | r = "c-family"; |
1663 | else if (lang_index >= 0) | |
e1b793e7 | 1664 | r = lang_dir_names[lang_index]; |
39dabefd SB |
1665 | else |
1666 | r = NULL; | |
8de8de02 | 1667 | |
39dabefd | 1668 | return r; |
8de8de02 OH |
1669 | } |
1670 | ||
14c4815e | 1671 | /* The gt- output file name for INPF. */ |
8de8de02 OH |
1672 | |
1673 | static const char * | |
14c4815e | 1674 | get_file_gtfilename (const input_file *inpf) |
8de8de02 OH |
1675 | { |
1676 | /* Cook up an initial version of the gt- file name from the file real | |
1677 | basename and the language name, if any. */ | |
1678 | ||
14c4815e BS |
1679 | const char *basename = get_file_realbasename (inpf); |
1680 | const char *langdir = get_file_langdir (inpf); | |
b8698a0f | 1681 | |
e1b793e7 | 1682 | char *result = |
8de8de02 OH |
1683 | (langdir ? xasprintf ("gt-%s-%s", langdir, basename) |
1684 | : xasprintf ("gt-%s", basename)); | |
1685 | ||
1686 | /* Then replace all non alphanumerics characters by '-' and change the | |
0277fabf | 1687 | extension to ".h". We expect the input filename extension was at least |
8de8de02 OH |
1688 | one character long. */ |
1689 | ||
1690 | char *s = result; | |
1691 | ||
1692 | for (; *s != '.'; s++) | |
e1b793e7 | 1693 | if (!ISALNUM (*s) && *s != '-') |
8de8de02 OH |
1694 | *s = '-'; |
1695 | ||
1696 | memcpy (s, ".h", sizeof (".h")); | |
1697 | ||
1698 | return result; | |
e2500fed GK |
1699 | } |
1700 | ||
81ae7e14 JS |
1701 | /* Each input_file has its associated output file outf_p. The |
1702 | association is computed by the function | |
1703 | get_output_file_with_visibility. The associated file is cached | |
1704 | inside input_file in its inpoutf field, so is really computed only | |
1705 | once. Associated output file paths (i.e. output_name-s) are | |
1706 | computed by a rule based regexp machinery, using the files_rules | |
1707 | array of struct file_rule_st. A for_name is also computed, giving | |
1708 | the source file name for which the output_file is generated; it is | |
1709 | often the last component of the input_file path. */ | |
1710 | ||
1711 | ||
1712 | /* | |
1713 | Regexpr machinery to compute the output_name and for_name-s of each | |
1714 | input_file. We have a sequence of file rules which gives the POSIX | |
1715 | extended regular expression to match an input file path, and two | |
1716 | transformed strings for the corresponding output_name and the | |
1717 | corresponding for_name. The transformed string contain dollars: $0 | |
1718 | is replaced by the entire match, $1 is replaced by the substring | |
1719 | matching the first parenthesis in the regexp, etc. And $$ is replaced | |
1720 | by a single verbatim dollar. The rule order is important. The | |
1721 | general case is last, and the particular cases should come before. | |
1722 | An action routine can, when needed, update the out_name & for_name | |
1723 | and/or return the appropriate output file. It is invoked only when a | |
1724 | rule is triggered. When a rule is triggered, the output_name and | |
1725 | for_name are computed using their transform string in while $$, $0, | |
1726 | $1, ... are suitably replaced. If there is an action, it is called. | |
1727 | In some few cases, the action can directly return the outf_p, but | |
1728 | usually it just updates the output_name and for_name so should free | |
1729 | them before replacing them. The get_output_file_with_visibility | |
1730 | function creates an outf_p only once per each output_name, so it | |
1731 | scans the output_files list for previously seen output file names. | |
1732 | */ | |
1733 | ||
1734 | /* Signature of actions in file rules. */ | |
1735 | typedef outf_p (frul_actionrout_t) (input_file*, char**, char**); | |
1736 | ||
1737 | ||
1738 | struct file_rule_st { | |
1739 | const char* frul_srcexpr; /* Source string for regexp. */ | |
1740 | int frul_rflags; /* Flags passed to regcomp, usually | |
1741 | * REG_EXTENDED. */ | |
1742 | regex_t* frul_re; /* Compiled regular expression | |
1743 | obtained by regcomp. */ | |
1744 | const char* frul_tr_out; /* Transformation string for making | |
1745 | * the output_name, with $1 ... $9 for | |
1746 | * subpatterns and $0 for the whole | |
1747 | * matched filename. */ | |
1748 | const char* frul_tr_for; /* Tranformation string for making the | |
1749 | for_name. */ | |
1750 | frul_actionrout_t* frul_action; /* The action, if non null, is | |
1751 | * called once the rule matches, on | |
1752 | * the transformed out_name & | |
1753 | * for_name. It could change them | |
1754 | * and/or give the output file. */ | |
1755 | }; | |
1756 | ||
1757 | /* File rule action handling *.h files. */ | |
1758 | static outf_p header_dot_h_frul (input_file*, char**, char**); | |
1759 | ||
1760 | /* File rule action handling *.c files. */ | |
1761 | static outf_p source_dot_c_frul (input_file*, char**, char**); | |
1762 | ||
1763 | #define NULL_REGEX (regex_t*)0 | |
1764 | ||
1765 | /* The prefix in our regexp-s matching the directory. */ | |
1766 | #define DIR_PREFIX_REGEX "^(([^/]*/)*)" | |
1767 | ||
1768 | #define NULL_FRULACT (frul_actionrout_t*)0 | |
1769 | ||
1770 | /* The array of our rules governing file name generation. Rules order | |
1771 | matters, so change with extreme care! */ | |
1772 | ||
1773 | struct file_rule_st files_rules[] = { | |
7e84ad0b NP |
1774 | /* The general rule assumes that files in subdirectories belong to a |
1775 | particular front-end, and files not in subdirectories are shared. | |
1776 | The following rules deal with exceptions - files that are in | |
1777 | subdirectories and yet are shared, and files that are top-level, | |
1778 | but are not shared. */ | |
1779 | ||
81ae7e14 JS |
1780 | /* the c-family/ source directory is special. */ |
1781 | { DIR_PREFIX_REGEX "c-family/([[:alnum:]_-]*)\\.c$", | |
1782 | REG_EXTENDED, NULL_REGEX, | |
1783 | "gt-c-family-$3.h", "c-family/$3.c", NULL_FRULACT}, | |
1784 | ||
1785 | { DIR_PREFIX_REGEX "c-family/([[:alnum:]_-]*)\\.h$", | |
1786 | REG_EXTENDED, NULL_REGEX, | |
1787 | "gt-c-family-$3.h", "c-family/$3.h", NULL_FRULACT}, | |
1788 | ||
d4a10d0a SB |
1789 | /* Both c-lang.h & c-tree.h gives gt-c-c-decl.h for c-decl.c ! */ |
1790 | { DIR_PREFIX_REGEX "c/c-lang\\.h$", | |
1791 | REG_EXTENDED, NULL_REGEX, "gt-c-c-decl.h", "c/c-decl.c", NULL_FRULACT}, | |
81ae7e14 | 1792 | |
d4a10d0a SB |
1793 | { DIR_PREFIX_REGEX "c/c-tree\\.h$", |
1794 | REG_EXTENDED, NULL_REGEX, "gt-c-c-decl.h", "c/c-decl.c", NULL_FRULACT}, | |
81ae7e14 JS |
1795 | |
1796 | /* cp/cp-tree.h gives gt-cp-tree.h for cp/tree.c ! */ | |
1797 | { DIR_PREFIX_REGEX "cp/cp-tree\\.h$", | |
1798 | REG_EXTENDED, NULL_REGEX, | |
1799 | "gt-cp-tree.h", "cp/tree.c", NULL_FRULACT }, | |
1800 | ||
1801 | /* cp/decl.h & cp/decl.c gives gt-cp-decl.h for cp/decl.c ! */ | |
1802 | { DIR_PREFIX_REGEX "cp/decl\\.[ch]$", | |
1803 | REG_EXTENDED, NULL_REGEX, | |
1804 | "gt-cp-decl.h", "cp/decl.c", NULL_FRULACT }, | |
1805 | ||
1806 | /* cp/name-lookup.h gives gt-cp-name-lookup.h for cp/name-lookup.c ! */ | |
1807 | { DIR_PREFIX_REGEX "cp/name-lookup\\.h$", | |
1808 | REG_EXTENDED, NULL_REGEX, | |
1809 | "gt-cp-name-lookup.h", "cp/name-lookup.c", NULL_FRULACT }, | |
1810 | ||
7e84ad0b NP |
1811 | /* cp/parser.h gives gt-cp-parser.h for cp/parser.c ! */ |
1812 | { DIR_PREFIX_REGEX "cp/parser\\.h$", | |
1813 | REG_EXTENDED, NULL_REGEX, | |
1814 | "gt-cp-parser.h", "cp/parser.c", NULL_FRULACT }, | |
1815 | ||
1816 | /* objc/objc-act.h gives gt-objc-objc-act.h for objc/objc-act.c ! */ | |
81ae7e14 JS |
1817 | { DIR_PREFIX_REGEX "objc/objc-act\\.h$", |
1818 | REG_EXTENDED, NULL_REGEX, | |
1819 | "gt-objc-objc-act.h", "objc/objc-act.c", NULL_FRULACT }, | |
1820 | ||
3cc2dd4b NP |
1821 | /* objc/objc-map.h gives gt-objc-objc-map.h for objc/objc-map.c ! */ |
1822 | { DIR_PREFIX_REGEX "objc/objc-map\\.h$", | |
1823 | REG_EXTENDED, NULL_REGEX, | |
1824 | "gt-objc-objc-map.h", "objc/objc-map.c", NULL_FRULACT }, | |
1825 | ||
81ae7e14 JS |
1826 | /* General cases. For header *.h and source *.c files, we need |
1827 | * special actions to handle the language. */ | |
1828 | ||
1829 | /* Source *.c files are using get_file_gtfilename to compute their | |
1830 | output_name and get_file_basename to compute their for_name | |
073a8998 | 1831 | through the source_dot_c_frul action. */ |
81ae7e14 JS |
1832 | { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.c$", |
1833 | REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.c", source_dot_c_frul}, | |
1834 | /* Common header files get "gtype-desc.c" as their output_name, | |
1835 | * while language specific header files are handled specially. So | |
1836 | * we need the header_dot_h_frul action. */ | |
1837 | { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.h$", | |
1838 | REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.h", header_dot_h_frul}, | |
1839 | ||
1840 | { DIR_PREFIX_REGEX "([[:alnum:]_-]*)\\.in$", | |
1841 | REG_EXTENDED, NULL_REGEX, "gt-$3.h", "$3.in", NULL_FRULACT}, | |
1842 | ||
1843 | /* Mandatory null last entry signaling end of rules. */ | |
1844 | {NULL, 0, NULL_REGEX, NULL, NULL, NULL_FRULACT} | |
1845 | }; | |
1846 | ||
1847 | /* Special file rules action for handling *.h header files. It gives | |
1848 | "gtype-desc.c" for common headers and corresponding output | |
1849 | files for language-specific header files. */ | |
1850 | static outf_p | |
87e0555a L |
1851 | header_dot_h_frul (input_file* inpf, char**poutname, |
1852 | char**pforname ATTRIBUTE_UNUSED) | |
81ae7e14 JS |
1853 | { |
1854 | const char *basename = 0; | |
1855 | int lang_index = 0; | |
81ae7e14 | 1856 | DBGPRINTF ("inpf %p inpname %s outname %s forname %s", |
fd1e183c BS |
1857 | (void*) inpf, get_input_file_name (inpf), |
1858 | *poutname, *pforname); | |
81ae7e14 JS |
1859 | basename = get_file_basename (inpf); |
1860 | lang_index = get_prefix_langdir_index (basename); | |
1861 | DBGPRINTF ("basename %s lang_index %d", basename, lang_index); | |
1862 | ||
1863 | if (lang_index >= 0) | |
1864 | { | |
1865 | /* The header is language specific. Given output_name & | |
1866 | for_name remains unchanged. The base_files array gives the | |
1867 | outf_p. */ | |
1868 | DBGPRINTF ("header_dot_h found language specific @ %p '%s'", | |
1869 | (void*) base_files[lang_index], | |
1870 | (base_files[lang_index])->name); | |
1871 | return base_files[lang_index]; | |
1872 | } | |
1873 | else | |
1874 | { | |
1875 | /* The header is common to all front-end languages. So | |
1876 | output_name is "gtype-desc.c" file. The calling function | |
1877 | get_output_file_with_visibility will find its outf_p. */ | |
1878 | free (*poutname); | |
1879 | *poutname = xstrdup ("gtype-desc.c"); | |
fd1e183c BS |
1880 | DBGPRINTF ("special 'gtype-desc.c' for inpname %s", |
1881 | get_input_file_name (inpf)); | |
81ae7e14 JS |
1882 | return NULL; |
1883 | } | |
1884 | } | |
1885 | ||
1886 | ||
1887 | /* Special file rules action for handling *.c source files using | |
1888 | * get_file_gtfilename to compute their output_name and | |
1889 | * get_file_basename to compute their for_name. The output_name is | |
1890 | * gt-<LANG>-<BASE>.h for language specific source files, and | |
1891 | * gt-<BASE>.h for common source files. */ | |
1892 | static outf_p | |
1893 | source_dot_c_frul (input_file* inpf, char**poutname, char**pforname) | |
1894 | { | |
1895 | char *newbasename = CONST_CAST (char*, get_file_basename (inpf)); | |
1896 | char *newoutname = CONST_CAST (char*, get_file_gtfilename (inpf)); | |
81ae7e14 | 1897 | DBGPRINTF ("inpf %p inpname %s original outname %s forname %s", |
fd1e183c BS |
1898 | (void*) inpf, get_input_file_name (inpf), |
1899 | *poutname, *pforname); | |
81ae7e14 JS |
1900 | DBGPRINTF ("newoutname %s", newoutname); |
1901 | DBGPRINTF ("newbasename %s", newbasename); | |
1902 | free (*poutname); | |
1903 | free (*pforname); | |
1904 | *poutname = newoutname; | |
1905 | *pforname = newbasename; | |
1906 | return NULL; | |
1907 | } | |
1908 | ||
1909 | /* Utility function for get_output_file_with_visibility which returns | |
1910 | * a malloc-ed substituted string using TRS on matching of the FILNAM | |
1911 | * file name, using the PMATCH array. */ | |
1912 | static char* | |
1913 | matching_file_name_substitute (const char *filnam, regmatch_t pmatch[10], | |
1914 | const char *trs) | |
1915 | { | |
1916 | struct obstack str_obstack; | |
1917 | char *str = NULL; | |
1918 | char *rawstr = NULL; | |
1919 | const char *pt = NULL; | |
1920 | DBGPRINTF ("filnam %s", filnam); | |
1921 | obstack_init (&str_obstack); | |
1922 | for (pt = trs; *pt; pt++) { | |
1923 | char c = *pt; | |
1924 | if (c == '$') | |
1925 | { | |
1926 | if (pt[1] == '$') | |
1927 | { | |
1928 | /* A double dollar $$ is substituted by a single verbatim | |
1929 | dollar, but who really uses dollar signs in file | |
1930 | paths? */ | |
1931 | obstack_1grow (&str_obstack, '$'); | |
1932 | } | |
1933 | else if (ISDIGIT (pt[1])) | |
1934 | { | |
1935 | /* Handle $0 $1 ... $9 by appropriate substitution. */ | |
1936 | int dolnum = pt[1] - '0'; | |
1937 | int so = pmatch[dolnum].rm_so; | |
1938 | int eo = pmatch[dolnum].rm_eo; | |
1939 | DBGPRINTF ("so=%d eo=%d dolnum=%d", so, eo, dolnum); | |
1940 | if (so>=0 && eo>=so) | |
1941 | obstack_grow (&str_obstack, filnam + so, eo - so); | |
1942 | } | |
1943 | else | |
1944 | { | |
1945 | /* This can happen only when files_rules is buggy! */ | |
1946 | gcc_unreachable(); | |
1947 | } | |
1948 | /* Always skip the character after the dollar. */ | |
1949 | pt++; | |
1950 | } | |
1951 | else | |
1952 | obstack_1grow (&str_obstack, c); | |
1953 | } | |
1954 | obstack_1grow (&str_obstack, '\0'); | |
1955 | rawstr = XOBFINISH (&str_obstack, char *); | |
1956 | str = xstrdup (rawstr); | |
23756963 | 1957 | obstack_free (&str_obstack, NULL); |
81ae7e14 JS |
1958 | DBGPRINTF ("matched replacement %s", str); |
1959 | rawstr = NULL; | |
1960 | return str; | |
1961 | } | |
1962 | ||
1963 | ||
9f313342 | 1964 | /* An output file, suitable for definitions, that can see declarations |
14c4815e | 1965 | made in INPF and is linked into every language that uses INPF. |
dd5a833e | 1966 | Since the result is cached inside INPF, that argument cannot be |
14c4815e | 1967 | declared constant, but is "almost" constant. */ |
9f313342 | 1968 | |
e03856fe | 1969 | outf_p |
14c4815e | 1970 | get_output_file_with_visibility (input_file *inpf) |
e2500fed | 1971 | { |
e03856fe | 1972 | outf_p r; |
81ae7e14 JS |
1973 | char *for_name = NULL; |
1974 | char *output_name = NULL; | |
1975 | const char* inpfname; | |
e2500fed | 1976 | |
e03856fe GK |
1977 | /* This can happen when we need a file with visibility on a |
1978 | structure that we've never seen. We have to just hope that it's | |
1979 | globally visible. */ | |
14c4815e BS |
1980 | if (inpf == NULL) |
1981 | inpf = system_h_file; | |
e2500fed | 1982 | |
81ae7e14 JS |
1983 | /* The result is cached in INPF, so return it if already known. */ |
1984 | if (inpf->inpoutf) | |
1985 | return inpf->inpoutf; | |
1986 | ||
bd117bb6 BS |
1987 | /* In plugin mode, return NULL unless the input_file is one of the |
1988 | plugin_files. */ | |
9b39cba9 BS |
1989 | if (plugin_files) |
1990 | { | |
9f78bf05 | 1991 | size_t i; |
9b39cba9 | 1992 | for (i = 0; i < nb_plugin_files; i++) |
81ae7e14 JS |
1993 | if (inpf == plugin_files[i]) |
1994 | { | |
1995 | inpf->inpoutf = plugin_output; | |
1996 | return plugin_output; | |
1997 | } | |
9b39cba9 BS |
1998 | |
1999 | return NULL; | |
bd117bb6 BS |
2000 | } |
2001 | ||
81ae7e14 | 2002 | inpfname = get_input_file_name (inpf); |
e2500fed | 2003 | |
81ae7e14 JS |
2004 | /* Try each rule in sequence in files_rules until one is triggered. */ |
2005 | { | |
2006 | int rulix = 0; | |
073a8998 | 2007 | DBGPRINTF ("passing input file @ %p named %s through the files_rules", |
81ae7e14 JS |
2008 | (void*) inpf, inpfname); |
2009 | ||
2010 | for (; files_rules[rulix].frul_srcexpr != NULL; rulix++) | |
2011 | { | |
2012 | DBGPRINTF ("rulix#%d srcexpr %s", | |
2013 | rulix, files_rules[rulix].frul_srcexpr); | |
2014 | ||
2015 | if (!files_rules[rulix].frul_re) | |
2016 | { | |
2017 | /* Compile the regexpr lazily. */ | |
2018 | int err = 0; | |
2019 | files_rules[rulix].frul_re = XCNEW (regex_t); | |
2020 | err = regcomp (files_rules[rulix].frul_re, | |
2021 | files_rules[rulix].frul_srcexpr, | |
2022 | files_rules[rulix].frul_rflags); | |
2023 | if (err) | |
2024 | { | |
2025 | /* The regular expression compilation fails only when | |
2026 | file_rules is buggy. */ | |
2027 | gcc_unreachable (); | |
2028 | } | |
2029 | } | |
3d7aafde | 2030 | |
81ae7e14 JS |
2031 | output_name = NULL; |
2032 | for_name = NULL; | |
e03856fe | 2033 | |
81ae7e14 JS |
2034 | /* Match the regexpr and trigger the rule if matched. */ |
2035 | { | |
2036 | /* We have exactly ten pmatch-s, one for each $0, $1, $2, | |
2037 | $3, ... $9. */ | |
2038 | regmatch_t pmatch[10]; | |
2039 | memset (pmatch, 0, sizeof (pmatch)); | |
2040 | if (!regexec (files_rules[rulix].frul_re, | |
2041 | inpfname, 10, pmatch, 0)) | |
2042 | { | |
2043 | DBGPRINTF ("input @ %p filename %s matched rulix#%d pattern %s", | |
2044 | (void*) inpf, inpfname, rulix, | |
2045 | files_rules[rulix].frul_srcexpr); | |
2046 | for_name = | |
2047 | matching_file_name_substitute (inpfname, pmatch, | |
2048 | files_rules[rulix].frul_tr_for); | |
2049 | DBGPRINTF ("for_name %s", for_name); | |
2050 | output_name = | |
2051 | matching_file_name_substitute (inpfname, pmatch, | |
2052 | files_rules[rulix].frul_tr_out); | |
2053 | DBGPRINTF ("output_name %s", output_name); | |
2054 | if (files_rules[rulix].frul_action) | |
2055 | { | |
2056 | /* Invoke our action routine. */ | |
2057 | outf_p of = NULL; | |
2058 | DBGPRINTF ("before action rulix#%d output_name %s for_name %s", | |
2059 | rulix, output_name, for_name); | |
2060 | of = | |
2061 | (files_rules[rulix].frul_action) (inpf, | |
2062 | &output_name, &for_name); | |
2063 | DBGPRINTF ("after action rulix#%d of=%p output_name %s for_name %s", | |
2064 | rulix, (void*)of, output_name, for_name); | |
2065 | /* If the action routine returned something, give it back | |
2066 | immediately and cache it in inpf. */ | |
2067 | if (of) | |
2068 | { | |
2069 | inpf->inpoutf = of; | |
2070 | return of; | |
2071 | } | |
2072 | } | |
2073 | /* The rule matched, and had no action, or that action did | |
2074 | not return any output file but could have changed the | |
2075 | output_name or for_name. We break out of the loop on the | |
2076 | files_rules. */ | |
2077 | break; | |
2078 | } | |
2079 | else | |
2080 | { | |
2081 | /* The regexpr did not match. */ | |
2082 | DBGPRINTF ("rulix#%d did not match %s pattern %s", | |
2083 | rulix, inpfname, files_rules[rulix].frul_srcexpr); | |
2084 | continue; | |
2085 | } | |
2086 | } | |
2087 | } | |
2088 | } | |
2089 | if (!output_name || !for_name) | |
2090 | { | |
2091 | /* This is impossible, and could only happen if the files_rules is | |
2092 | incomplete or buggy. */ | |
2093 | gcc_unreachable (); | |
e2500fed GK |
2094 | } |
2095 | ||
81ae7e14 JS |
2096 | /* Look through to see if we've ever seen this output filename |
2097 | before. If found, cache the result in inpf. */ | |
e03856fe | 2098 | for (r = output_files; r; r = r->next) |
ba78087b | 2099 | if (filename_cmp (r->name, output_name) == 0) |
81ae7e14 JS |
2100 | { |
2101 | inpf->inpoutf = r; | |
2102 | DBGPRINTF ("found r @ %p for output_name %s for_name %s", (void*)r, | |
2103 | output_name, for_name); | |
2104 | return r; | |
2105 | } | |
e2500fed | 2106 | |
81ae7e14 | 2107 | /* If not found, create it, and cache it in inpf. */ |
e03856fe | 2108 | r = create_file (for_name, output_name); |
e2500fed | 2109 | |
bd117bb6 | 2110 | gcc_assert (r && r->name); |
81ae7e14 JS |
2111 | DBGPRINTF ("created r @ %p for output_name %s for_name %s", (void*) r, |
2112 | output_name, for_name); | |
2113 | inpf->inpoutf = r; | |
e03856fe | 2114 | return r; |
81ae7e14 JS |
2115 | |
2116 | ||
e2500fed GK |
2117 | } |
2118 | ||
9f313342 | 2119 | /* The name of an output file, suitable for definitions, that can see |
14c4815e BS |
2120 | declarations made in INPF and is linked into every language that |
2121 | uses INPF. */ | |
9f313342 | 2122 | |
e2500fed | 2123 | const char * |
14c4815e | 2124 | get_output_file_name (input_file* inpf) |
e2500fed | 2125 | { |
14c4815e | 2126 | outf_p o = get_output_file_with_visibility (inpf); |
bd117bb6 BS |
2127 | if (o) |
2128 | return o->name; | |
2129 | return NULL; | |
e2500fed GK |
2130 | } |
2131 | ||
41e7ac51 BS |
2132 | /* Check if existing file is equal to the in memory buffer. */ |
2133 | ||
2134 | static bool | |
2135 | is_file_equal (outf_p of) | |
2136 | { | |
2137 | FILE *newfile = fopen (of->name, "r"); | |
2138 | size_t i; | |
2139 | bool equal; | |
2140 | if (newfile == NULL) | |
2141 | return false; | |
2142 | ||
2143 | equal = true; | |
2144 | for (i = 0; i < of->bufused; i++) | |
2145 | { | |
2146 | int ch; | |
2147 | ch = fgetc (newfile); | |
2148 | if (ch == EOF || ch != (unsigned char) of->buf[i]) | |
2149 | { | |
2150 | equal = false; | |
2151 | break; | |
2152 | } | |
2153 | } | |
2154 | fclose (newfile); | |
2155 | return equal; | |
2156 | } | |
2157 | ||
e03856fe | 2158 | /* Copy the output to its final destination, |
9f313342 GK |
2159 | but don't unnecessarily change modification times. */ |
2160 | ||
e2500fed | 2161 | static void |
3d7aafde | 2162 | close_output_files (void) |
e2500fed | 2163 | { |
1d32bbcd | 2164 | int nbwrittenfiles = 0; |
e03856fe | 2165 | outf_p of; |
3d7aafde | 2166 | |
e03856fe | 2167 | for (of = output_files; of; of = of->next) |
e2500fed | 2168 | { |
e2500fed | 2169 | |
e1b793e7 BS |
2170 | if (!is_file_equal (of)) |
2171 | { | |
1d32bbcd BS |
2172 | FILE *newfile = NULL; |
2173 | char *backupname = NULL; | |
2174 | /* Back up the old version of the output file gt-FOO.c as | |
2175 | BACKUPDIR/gt-FOO.c~ if we have a backup directory. */ | |
2176 | if (backup_dir) | |
2177 | { | |
2178 | backupname = concat (backup_dir, "/", | |
2179 | lbasename (of->name), "~", NULL); | |
2180 | if (!access (of->name, F_OK) && rename (of->name, backupname)) | |
2181 | fatal ("failed to back up %s as %s: %s", | |
2182 | of->name, backupname, xstrerror (errno)); | |
2183 | } | |
2184 | ||
2185 | newfile = fopen (of->name, "w"); | |
e1b793e7 BS |
2186 | if (newfile == NULL) |
2187 | fatal ("opening output file %s: %s", of->name, xstrerror (errno)); | |
2188 | if (fwrite (of->buf, 1, of->bufused, newfile) != of->bufused) | |
2189 | fatal ("writing output file %s: %s", of->name, xstrerror (errno)); | |
2190 | if (fclose (newfile) != 0) | |
2191 | fatal ("closing output file %s: %s", of->name, xstrerror (errno)); | |
1d32bbcd BS |
2192 | nbwrittenfiles++; |
2193 | if (verbosity_level >= 2 && backupname) | |
2194 | printf ("%s wrote #%-3d %s backed-up in %s\n", | |
2195 | progname, nbwrittenfiles, of->name, backupname); | |
2196 | else if (verbosity_level >= 1) | |
2197 | printf ("%s write #%-3d %s\n", progname, nbwrittenfiles, of->name); | |
2198 | free (backupname); | |
2199 | } | |
2200 | else | |
2201 | { | |
2202 | /* output file remains unchanged. */ | |
2203 | if (verbosity_level >= 2) | |
2204 | printf ("%s keep %s\n", progname, of->name); | |
e1b793e7 BS |
2205 | } |
2206 | free (of->buf); | |
41e7ac51 BS |
2207 | of->buf = NULL; |
2208 | of->bufused = of->buflength = 0; | |
e2500fed | 2209 | } |
1d32bbcd BS |
2210 | if (verbosity_level >= 1) |
2211 | printf ("%s wrote %d files.\n", progname, nbwrittenfiles); | |
e2500fed GK |
2212 | } |
2213 | \f | |
e1b793e7 BS |
2214 | struct flist |
2215 | { | |
e2500fed GK |
2216 | struct flist *next; |
2217 | int started_p; | |
14c4815e | 2218 | const input_file* file; |
e03856fe | 2219 | outf_p f; |
e2500fed GK |
2220 | }; |
2221 | ||
17211ab5 GK |
2222 | struct walk_type_data; |
2223 | ||
2224 | /* For scalars and strings, given the item in 'val'. | |
2225 | For structures, given a pointer to the item in 'val'. | |
2226 | For misc. pointers, given the item in 'val'. | |
2227 | */ | |
e1b793e7 BS |
2228 | typedef void (*process_field_fn) (type_p f, const struct walk_type_data * p); |
2229 | typedef void (*func_name_fn) (type_p s, const struct walk_type_data * p); | |
17211ab5 GK |
2230 | |
2231 | /* Parameters for write_types. */ | |
2232 | ||
3d7aafde | 2233 | struct write_types_data |
17211ab5 GK |
2234 | { |
2235 | const char *prefix; | |
2236 | const char *param_prefix; | |
2237 | const char *subfield_marker_routine; | |
2238 | const char *marker_routine; | |
2239 | const char *reorder_note_routine; | |
2240 | const char *comment; | |
8d6419b2 | 2241 | int skip_hooks; /* skip hook generation if non zero */ |
17211ab5 GK |
2242 | }; |
2243 | ||
3d7aafde AJ |
2244 | static void output_escaped_param (struct walk_type_data *d, |
2245 | const char *, const char *); | |
e5cfc29f | 2246 | static void output_mangled_typename (outf_p, const_type_p); |
3d7aafde | 2247 | static void walk_type (type_p t, struct walk_type_data *d); |
e1b793e7 | 2248 | static void write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
a9429e29 | 2249 | const struct write_types_data *wtd); |
3d7aafde | 2250 | static void write_types_process_field |
e1b793e7 | 2251 | (type_p f, const struct walk_type_data *d); |
0182d016 | 2252 | static void write_types (outf_p output_header, |
e1b793e7 | 2253 | type_p structures, |
3d7aafde AJ |
2254 | type_p param_structs, |
2255 | const struct write_types_data *wtd); | |
17211ab5 | 2256 | static void write_types_local_process_field |
e1b793e7 | 2257 | (type_p f, const struct walk_type_data *d); |
17211ab5 | 2258 | static void write_local_func_for_structure |
e1b793e7 | 2259 | (const_type_p orig_s, type_p s, type_p *param); |
0182d016 | 2260 | static void write_local (outf_p output_header, |
e1b793e7 | 2261 | type_p structures, type_p param_structs); |
3d7aafde AJ |
2262 | static void write_enum_defn (type_p structures, type_p param_structs); |
2263 | static int contains_scalar_p (type_p t); | |
14c4815e | 2264 | static void put_mangled_filename (outf_p, const input_file *); |
3d7aafde AJ |
2265 | static void finish_root_table (struct flist *flp, const char *pfx, |
2266 | const char *tname, const char *lastname, | |
2267 | const char *name); | |
e1b793e7 | 2268 | static void write_root (outf_p, pair_p, type_p, const char *, int, |
99be7084 | 2269 | struct fileloc *, const char *, bool); |
3d7aafde AJ |
2270 | static void write_array (outf_p f, pair_p v, |
2271 | const struct write_types_data *wtd); | |
99be7084 | 2272 | static void write_roots (pair_p, bool); |
e2500fed | 2273 | |
17211ab5 | 2274 | /* Parameters for walk_type. */ |
e2500fed | 2275 | |
17211ab5 | 2276 | struct walk_type_data |
e2500fed | 2277 | { |
17211ab5 GK |
2278 | process_field_fn process_field; |
2279 | const void *cookie; | |
2280 | outf_p of; | |
2281 | options_p opt; | |
2282 | const char *val; | |
2283 | const char *prev_val[4]; | |
2284 | int indent; | |
2285 | int counter; | |
0277fabf | 2286 | const struct fileloc *line; |
17211ab5 GK |
2287 | lang_bitmap bitmap; |
2288 | type_p *param; | |
2289 | int used_length; | |
2290 | type_p orig_s; | |
2291 | const char *reorder_fn; | |
d8044160 GK |
2292 | bool needs_cast_p; |
2293 | bool fn_wants_lvalue; | |
314b662a MM |
2294 | bool in_record_p; |
2295 | int loopcounter; | |
17211ab5 | 2296 | }; |
36a5eadd GK |
2297 | |
2298 | /* Print a mangled name representing T to OF. */ | |
2299 | ||
2300 | static void | |
e5cfc29f | 2301 | output_mangled_typename (outf_p of, const_type_p t) |
36a5eadd GK |
2302 | { |
2303 | if (t == NULL) | |
2304 | oprintf (of, "Z"); | |
e1b793e7 BS |
2305 | else |
2306 | switch (t->kind) | |
36a5eadd | 2307 | { |
412dc29d BS |
2308 | case TYPE_NONE: |
2309 | gcc_unreachable (); | |
2310 | break; | |
e1b793e7 BS |
2311 | case TYPE_POINTER: |
2312 | oprintf (of, "P"); | |
2313 | output_mangled_typename (of, t->u.p); | |
2314 | break; | |
2315 | case TYPE_SCALAR: | |
2316 | oprintf (of, "I"); | |
2317 | break; | |
2318 | case TYPE_STRING: | |
2319 | oprintf (of, "S"); | |
2320 | break; | |
2321 | case TYPE_STRUCT: | |
2322 | case TYPE_UNION: | |
2323 | case TYPE_LANG_STRUCT: | |
2324 | oprintf (of, "%lu%s", (unsigned long) strlen (t->u.s.tag), | |
2325 | t->u.s.tag); | |
2326 | break; | |
2327 | case TYPE_PARAM_STRUCT: | |
2328 | { | |
2329 | int i; | |
2330 | for (i = 0; i < NUM_PARAM; i++) | |
2331 | if (t->u.param_struct.param[i] != NULL) | |
2332 | output_mangled_typename (of, t->u.param_struct.param[i]); | |
2333 | output_mangled_typename (of, t->u.param_struct.stru); | |
2334 | } | |
2335 | break; | |
2336 | case TYPE_ARRAY: | |
2337 | gcc_unreachable (); | |
36a5eadd | 2338 | } |
e2500fed GK |
2339 | } |
2340 | ||
17211ab5 GK |
2341 | /* Print PARAM to D->OF processing escapes. D->VAL references the |
2342 | current object, D->PREV_VAL the object containing the current | |
2343 | object, ONAME is the name of the option and D->LINE is used to | |
2344 | print error messages. */ | |
9f313342 | 2345 | |
e2500fed | 2346 | static void |
3d7aafde AJ |
2347 | output_escaped_param (struct walk_type_data *d, const char *param, |
2348 | const char *oname) | |
e2500fed | 2349 | { |
17211ab5 | 2350 | const char *p; |
3d7aafde | 2351 | |
17211ab5 GK |
2352 | for (p = param; *p; p++) |
2353 | if (*p != '%') | |
2354 | oprintf (d->of, "%c", *p); | |
e1b793e7 BS |
2355 | else |
2356 | switch (*++p) | |
e2500fed | 2357 | { |
e1b793e7 BS |
2358 | case 'h': |
2359 | oprintf (d->of, "(%s)", d->prev_val[2]); | |
2360 | break; | |
2361 | case '0': | |
2362 | oprintf (d->of, "(%s)", d->prev_val[0]); | |
2363 | break; | |
2364 | case '1': | |
2365 | oprintf (d->of, "(%s)", d->prev_val[1]); | |
2366 | break; | |
2367 | case 'a': | |
2368 | { | |
2369 | const char *pp = d->val + strlen (d->val); | |
2370 | while (pp[-1] == ']') | |
2371 | while (*pp != '[') | |
2372 | pp--; | |
2373 | oprintf (d->of, "%s", pp); | |
2374 | } | |
2375 | break; | |
2376 | default: | |
2377 | error_at_line (d->line, "`%s' option contains bad escape %c%c", | |
2378 | oname, '%', *p); | |
e2500fed | 2379 | } |
17211ab5 | 2380 | } |
e2500fed | 2381 | |
17211ab5 GK |
2382 | /* Call D->PROCESS_FIELD for every field (or subfield) of D->VAL, |
2383 | which is of type T. Write code to D->OF to constrain execution (at | |
2384 | the point that D->PROCESS_FIELD is called) to the appropriate | |
4da6879c GK |
2385 | cases. Call D->PROCESS_FIELD on subobjects before calling it on |
2386 | pointers to those objects. D->PREV_VAL lists the objects | |
2387 | containing the current object, D->OPT is a list of options to | |
2388 | apply, D->INDENT is the current indentation level, D->LINE is used | |
2389 | to print error messages, D->BITMAP indicates which languages to | |
2390 | print the structure for, and D->PARAM is the current parameter | |
2391 | (from an enclosing param_is option). */ | |
e2500fed | 2392 | |
17211ab5 | 2393 | static void |
3d7aafde | 2394 | walk_type (type_p t, struct walk_type_data *d) |
17211ab5 GK |
2395 | { |
2396 | const char *length = NULL; | |
2397 | const char *desc = NULL; | |
2398 | int maybe_undef_p = 0; | |
2399 | int use_param_num = -1; | |
2400 | int use_params_p = 0; | |
555c3771 | 2401 | int atomic_p = 0; |
17211ab5 | 2402 | options_p oo; |
b453c95f | 2403 | const struct nested_ptr_data *nested_ptr_d = NULL; |
3d7aafde | 2404 | |
d8044160 | 2405 | d->needs_cast_p = false; |
17211ab5 | 2406 | for (oo = d->opt; oo; oo = oo->next) |
412dc29d BS |
2407 | if (strcmp (oo->name, "length") == 0 && oo->kind == OPTION_STRING) |
2408 | length = oo->info.string; | |
17211ab5 GK |
2409 | else if (strcmp (oo->name, "maybe_undef") == 0) |
2410 | maybe_undef_p = 1; | |
2411 | else if (strncmp (oo->name, "use_param", 9) == 0 | |
2412 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2413 | use_param_num = oo->name[9] == '\0' ? 0 : oo->name[9] - '0'; | |
2414 | else if (strcmp (oo->name, "use_params") == 0) | |
2415 | use_params_p = 1; | |
412dc29d BS |
2416 | else if (strcmp (oo->name, "desc") == 0 && oo->kind == OPTION_STRING) |
2417 | desc = oo->info.string; | |
8d6419b2 BS |
2418 | else if (strcmp (oo->name, "mark_hook") == 0) |
2419 | ; | |
412dc29d BS |
2420 | else if (strcmp (oo->name, "nested_ptr") == 0 |
2421 | && oo->kind == OPTION_NESTED) | |
2422 | nested_ptr_d = (const struct nested_ptr_data *) oo->info.nested; | |
17211ab5 GK |
2423 | else if (strcmp (oo->name, "dot") == 0) |
2424 | ; | |
2425 | else if (strcmp (oo->name, "tag") == 0) | |
2426 | ; | |
2427 | else if (strcmp (oo->name, "special") == 0) | |
2428 | ; | |
2429 | else if (strcmp (oo->name, "skip") == 0) | |
2430 | ; | |
555c3771 NP |
2431 | else if (strcmp (oo->name, "atomic") == 0) |
2432 | atomic_p = 1; | |
17211ab5 GK |
2433 | else if (strcmp (oo->name, "default") == 0) |
2434 | ; | |
17211ab5 GK |
2435 | else if (strcmp (oo->name, "param_is") == 0) |
2436 | ; | |
084087e1 | 2437 | else if (strncmp (oo->name, "param", 5) == 0 |
e1b793e7 | 2438 | && ISDIGIT (oo->name[5]) && strcmp (oo->name + 6, "_is") == 0) |
084087e1 | 2439 | ; |
17211ab5 GK |
2440 | else if (strcmp (oo->name, "chain_next") == 0) |
2441 | ; | |
2442 | else if (strcmp (oo->name, "chain_prev") == 0) | |
2443 | ; | |
623f8e39 JJ |
2444 | else if (strcmp (oo->name, "chain_circular") == 0) |
2445 | ; | |
17211ab5 GK |
2446 | else if (strcmp (oo->name, "reorder") == 0) |
2447 | ; | |
a9429e29 LB |
2448 | else if (strcmp (oo->name, "variable_size") == 0) |
2449 | ; | |
17211ab5 GK |
2450 | else |
2451 | error_at_line (d->line, "unknown option `%s'\n", oo->name); | |
36a5eadd | 2452 | |
17211ab5 GK |
2453 | if (d->used_length) |
2454 | length = NULL; | |
36a5eadd | 2455 | |
17211ab5 GK |
2456 | if (use_params_p) |
2457 | { | |
2458 | int pointer_p = t->kind == TYPE_POINTER; | |
3d7aafde | 2459 | |
17211ab5 GK |
2460 | if (pointer_p) |
2461 | t = t->u.p; | |
e1b793e7 | 2462 | if (!UNION_OR_STRUCT_P (t)) |
17211ab5 | 2463 | error_at_line (d->line, "`use_params' option on unimplemented type"); |
3d7aafde | 2464 | else |
17211ab5 GK |
2465 | t = find_param_structure (t, d->param); |
2466 | if (pointer_p) | |
2467 | t = create_pointer (t); | |
2468 | } | |
3d7aafde | 2469 | |
17211ab5 GK |
2470 | if (use_param_num != -1) |
2471 | { | |
2472 | if (d->param != NULL && d->param[use_param_num] != NULL) | |
e2500fed | 2473 | { |
17211ab5 | 2474 | type_p nt = d->param[use_param_num]; |
3d7aafde | 2475 | |
17211ab5 GK |
2476 | if (t->kind == TYPE_ARRAY) |
2477 | nt = create_array (nt, t->u.a.len); | |
2478 | else if (length != NULL && t->kind == TYPE_POINTER) | |
2479 | nt = create_pointer (nt); | |
f099d360 GK |
2480 | d->needs_cast_p = (t->kind != TYPE_POINTER |
2481 | && (nt->kind == TYPE_POINTER | |
2482 | || nt->kind == TYPE_STRING)); | |
17211ab5 | 2483 | t = nt; |
e2500fed | 2484 | } |
17211ab5 | 2485 | else |
e1b793e7 | 2486 | error_at_line (d->line, "no parameter defined for `%s'", d->val); |
17211ab5 | 2487 | } |
3d7aafde AJ |
2488 | |
2489 | if (maybe_undef_p | |
e1b793e7 | 2490 | && (t->kind != TYPE_POINTER || !UNION_OR_STRUCT_P (t->u.p))) |
17211ab5 | 2491 | { |
3d7aafde | 2492 | error_at_line (d->line, |
17211ab5 GK |
2493 | "field `%s' has invalid option `maybe_undef_p'\n", |
2494 | d->val); | |
2495 | return; | |
2496 | } | |
3d7aafde | 2497 | |
555c3771 NP |
2498 | if (atomic_p && (t->kind != TYPE_POINTER)) |
2499 | { | |
2500 | error_at_line (d->line, "field `%s' has invalid option `atomic'\n", d->val); | |
2501 | return; | |
2502 | } | |
2503 | ||
17211ab5 GK |
2504 | switch (t->kind) |
2505 | { | |
2506 | case TYPE_SCALAR: | |
2507 | case TYPE_STRING: | |
2508 | d->process_field (t, d); | |
2509 | break; | |
3d7aafde | 2510 | |
17211ab5 GK |
2511 | case TYPE_POINTER: |
2512 | { | |
e1b793e7 | 2513 | if (maybe_undef_p && t->u.p->u.s.line.file == NULL) |
17211ab5 | 2514 | { |
b2d59f6f | 2515 | oprintf (d->of, "%*sgcc_assert (!%s);\n", d->indent, "", d->val); |
17211ab5 GK |
2516 | break; |
2517 | } | |
e2500fed | 2518 | |
555c3771 NP |
2519 | /* If a pointer type is marked as "atomic", we process the |
2520 | field itself, but we don't walk the data that they point to. | |
2521 | ||
2522 | There are two main cases where we walk types: to mark | |
2523 | pointers that are reachable, and to relocate pointers when | |
2524 | writing a PCH file. In both cases, an atomic pointer is | |
2525 | itself marked or relocated, but the memory that it points | |
2526 | to is left untouched. In the case of PCH, that memory will | |
2527 | be read/written unchanged to the PCH file. */ | |
2528 | if (atomic_p) | |
2529 | { | |
2530 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); | |
2531 | d->indent += 2; | |
2532 | d->process_field (t, d); | |
2533 | d->indent -= 2; | |
2534 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2535 | break; | |
2536 | } | |
2537 | ||
e1b793e7 | 2538 | if (!length) |
e2500fed | 2539 | { |
e1b793e7 | 2540 | if (!UNION_OR_STRUCT_P (t->u.p) |
17211ab5 | 2541 | && t->u.p->kind != TYPE_PARAM_STRUCT) |
e2500fed | 2542 | { |
3d7aafde | 2543 | error_at_line (d->line, |
17211ab5 GK |
2544 | "field `%s' is pointer to unimplemented type", |
2545 | d->val); | |
e2500fed GK |
2546 | break; |
2547 | } | |
3d7aafde | 2548 | |
b453c95f GK |
2549 | if (nested_ptr_d) |
2550 | { | |
2551 | const char *oldprevval2 = d->prev_val[2]; | |
2552 | ||
e1b793e7 | 2553 | if (!UNION_OR_STRUCT_P (nested_ptr_d->type)) |
b453c95f GK |
2554 | { |
2555 | error_at_line (d->line, | |
2556 | "field `%s' has invalid " | |
e1b793e7 | 2557 | "option `nested_ptr'\n", d->val); |
b453c95f GK |
2558 | return; |
2559 | } | |
2560 | ||
2561 | d->prev_val[2] = d->val; | |
2562 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2563 | d->indent += 2; | |
2564 | d->val = xasprintf ("x%d", d->counter++); | |
d8044160 | 2565 | oprintf (d->of, "%*s%s %s * %s%s =\n", d->indent, "", |
b8698a0f L |
2566 | (nested_ptr_d->type->kind == TYPE_UNION |
2567 | ? "union" : "struct"), | |
2568 | nested_ptr_d->type->u.s.tag, | |
e1b793e7 | 2569 | d->fn_wants_lvalue ? "" : "const ", d->val); |
b453c95f GK |
2570 | oprintf (d->of, "%*s", d->indent + 2, ""); |
2571 | output_escaped_param (d, nested_ptr_d->convert_from, | |
2572 | "nested_ptr"); | |
2573 | oprintf (d->of, ";\n"); | |
2574 | ||
2575 | d->process_field (nested_ptr_d->type, d); | |
2576 | ||
d8044160 GK |
2577 | if (d->fn_wants_lvalue) |
2578 | { | |
2579 | oprintf (d->of, "%*s%s = ", d->indent, "", | |
2580 | d->prev_val[2]); | |
2581 | d->prev_val[2] = d->val; | |
2582 | output_escaped_param (d, nested_ptr_d->convert_to, | |
2583 | "nested_ptr"); | |
2584 | oprintf (d->of, ";\n"); | |
2585 | } | |
b453c95f GK |
2586 | |
2587 | d->indent -= 2; | |
2588 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2589 | d->val = d->prev_val[2]; | |
2590 | d->prev_val[2] = oldprevval2; | |
2591 | } | |
2592 | else | |
2593 | d->process_field (t->u.p, d); | |
e2500fed | 2594 | } |
3d7aafde | 2595 | else |
e2500fed | 2596 | { |
314b662a | 2597 | int loopcounter = d->loopcounter; |
17211ab5 GK |
2598 | const char *oldval = d->val; |
2599 | const char *oldprevval3 = d->prev_val[3]; | |
e2500fed GK |
2600 | char *newval; |
2601 | ||
17211ab5 GK |
2602 | oprintf (d->of, "%*sif (%s != NULL) {\n", d->indent, "", d->val); |
2603 | d->indent += 2; | |
2604 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
e1b793e7 BS |
2605 | oprintf (d->of, "%*sfor (i%d = 0; i%d != (size_t)(", d->indent, |
2606 | "", loopcounter, loopcounter); | |
314b662a MM |
2607 | if (!d->in_record_p) |
2608 | output_escaped_param (d, length, "length"); | |
2609 | else | |
2610 | oprintf (d->of, "l%d", loopcounter); | |
17211ab5 GK |
2611 | oprintf (d->of, "); i%d++) {\n", loopcounter); |
2612 | d->indent += 2; | |
2613 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2614 | d->used_length = 1; | |
2615 | d->prev_val[3] = oldval; | |
2616 | walk_type (t->u.p, d); | |
e2500fed | 2617 | free (newval); |
17211ab5 GK |
2618 | d->val = oldval; |
2619 | d->prev_val[3] = oldprevval3; | |
2620 | d->used_length = 0; | |
2621 | d->indent -= 2; | |
2622 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e1b793e7 | 2623 | d->process_field (t, d); |
17211ab5 GK |
2624 | d->indent -= 2; |
2625 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
e2500fed | 2626 | } |
17211ab5 GK |
2627 | } |
2628 | break; | |
e2500fed | 2629 | |
17211ab5 GK |
2630 | case TYPE_ARRAY: |
2631 | { | |
314b662a | 2632 | int loopcounter; |
17211ab5 GK |
2633 | const char *oldval = d->val; |
2634 | char *newval; | |
2635 | ||
6356f892 | 2636 | /* If it's an array of scalars, we optimize by not generating |
17211ab5 GK |
2637 | any code. */ |
2638 | if (t->u.a.p->kind == TYPE_SCALAR) | |
e2500fed | 2639 | break; |
3d7aafde | 2640 | |
314b662a MM |
2641 | if (length) |
2642 | loopcounter = d->loopcounter; | |
2643 | else | |
2644 | loopcounter = d->counter++; | |
2645 | ||
5039610b SL |
2646 | /* When walking an array, compute the length and store it in a |
2647 | local variable before walking the array elements, instead of | |
2648 | recomputing the length expression each time through the loop. | |
2649 | This is necessary to handle tcc_vl_exp objects like CALL_EXPR, | |
2650 | where the length is stored in the first array element, | |
2651 | because otherwise that operand can get overwritten on the | |
2652 | first iteration. */ | |
17211ab5 GK |
2653 | oprintf (d->of, "%*s{\n", d->indent, ""); |
2654 | d->indent += 2; | |
2655 | oprintf (d->of, "%*ssize_t i%d;\n", d->indent, "", loopcounter); | |
314b662a MM |
2656 | if (!d->in_record_p || !length) |
2657 | { | |
2658 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", | |
2659 | d->indent, "", loopcounter); | |
2660 | if (length) | |
2661 | output_escaped_param (d, length, "length"); | |
2662 | else | |
2663 | oprintf (d->of, "%s", t->u.a.len); | |
2664 | oprintf (d->of, ");\n"); | |
2665 | } | |
b8698a0f | 2666 | |
5039610b SL |
2667 | oprintf (d->of, "%*sfor (i%d = 0; i%d != l%d; i%d++) {\n", |
2668 | d->indent, "", | |
2669 | loopcounter, loopcounter, loopcounter, loopcounter); | |
17211ab5 GK |
2670 | d->indent += 2; |
2671 | d->val = newval = xasprintf ("%s[i%d]", oldval, loopcounter); | |
2672 | d->used_length = 1; | |
2673 | walk_type (t->u.a.p, d); | |
2674 | free (newval); | |
2675 | d->used_length = 0; | |
2676 | d->val = oldval; | |
2677 | d->indent -= 2; | |
2678 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2679 | d->indent -= 2; | |
2680 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2681 | } | |
2682 | break; | |
3d7aafde | 2683 | |
17211ab5 GK |
2684 | case TYPE_STRUCT: |
2685 | case TYPE_UNION: | |
2686 | { | |
2687 | pair_p f; | |
2688 | const char *oldval = d->val; | |
2689 | const char *oldprevval1 = d->prev_val[1]; | |
2690 | const char *oldprevval2 = d->prev_val[2]; | |
2691 | const int union_p = t->kind == TYPE_UNION; | |
2692 | int seen_default_p = 0; | |
2693 | options_p o; | |
314b662a MM |
2694 | int lengths_seen = 0; |
2695 | int endcounter; | |
2696 | bool any_length_seen = false; | |
17211ab5 | 2697 | |
e1b793e7 | 2698 | if (!t->u.s.line.file) |
17211ab5 | 2699 | error_at_line (d->line, "incomplete structure `%s'", t->u.s.tag); |
e2500fed | 2700 | |
17211ab5 | 2701 | if ((d->bitmap & t->u.s.bitmap) != d->bitmap) |
e2500fed | 2702 | { |
17211ab5 GK |
2703 | error_at_line (d->line, |
2704 | "structure `%s' defined for mismatching languages", | |
2705 | t->u.s.tag); | |
2706 | error_at_line (&t->u.s.line, "one structure defined here"); | |
2707 | } | |
e2500fed | 2708 | |
17211ab5 GK |
2709 | /* Some things may also be defined in the structure's options. */ |
2710 | for (o = t->u.s.opt; o; o = o->next) | |
412dc29d BS |
2711 | if (!desc && strcmp (o->name, "desc") == 0 |
2712 | && o->kind == OPTION_STRING) | |
2713 | desc = o->info.string; | |
e2500fed | 2714 | |
17211ab5 GK |
2715 | d->prev_val[2] = oldval; |
2716 | d->prev_val[1] = oldprevval2; | |
2717 | if (union_p) | |
2718 | { | |
2719 | if (desc == NULL) | |
e2500fed | 2720 | { |
e1b793e7 BS |
2721 | error_at_line (d->line, |
2722 | "missing `desc' option for union `%s'", | |
17211ab5 GK |
2723 | t->u.s.tag); |
2724 | desc = "1"; | |
e2500fed | 2725 | } |
17211ab5 GK |
2726 | oprintf (d->of, "%*sswitch (", d->indent, ""); |
2727 | output_escaped_param (d, desc, "desc"); | |
2728 | oprintf (d->of, ")\n"); | |
2729 | d->indent += 2; | |
2730 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2731 | } | |
314b662a MM |
2732 | |
2733 | for (f = t->u.s.fields; f; f = f->next) | |
2734 | { | |
2735 | options_p oo; | |
2736 | int skip_p = 0; | |
2737 | const char *fieldlength = NULL; | |
2738 | ||
2739 | d->reorder_fn = NULL; | |
2740 | for (oo = f->opt; oo; oo = oo->next) | |
2741 | if (strcmp (oo->name, "skip") == 0) | |
2742 | skip_p = 1; | |
2743 | else if (strcmp (oo->name, "length") == 0 | |
2744 | && oo->kind == OPTION_STRING) | |
2745 | fieldlength = oo->info.string; | |
2746 | ||
2747 | if (skip_p) | |
2748 | continue; | |
2749 | if (fieldlength) | |
2750 | { | |
2751 | lengths_seen++; | |
2752 | d->counter++; | |
2753 | if (!union_p) | |
2754 | { | |
2755 | if (!any_length_seen) | |
2756 | { | |
2757 | oprintf (d->of, "%*s{\n", d->indent, ""); | |
2758 | d->indent += 2; | |
2759 | } | |
2760 | any_length_seen = true; | |
2761 | ||
2762 | oprintf (d->of, "%*ssize_t l%d = (size_t)(", | |
2763 | d->indent, "", d->counter - 1); | |
2764 | output_escaped_param (d, fieldlength, "length"); | |
2765 | oprintf (d->of, ");\n"); | |
2766 | } | |
2767 | } | |
2768 | } | |
2769 | endcounter = d->counter; | |
2770 | ||
17211ab5 GK |
2771 | for (f = t->u.s.fields; f; f = f->next) |
2772 | { | |
2773 | options_p oo; | |
2774 | const char *dot = "."; | |
2775 | const char *tagid = NULL; | |
2776 | int skip_p = 0; | |
2777 | int default_p = 0; | |
2778 | int use_param_p = 0; | |
314b662a | 2779 | const char *fieldlength = NULL; |
17211ab5 GK |
2780 | char *newval; |
2781 | ||
2782 | d->reorder_fn = NULL; | |
2783 | for (oo = f->opt; oo; oo = oo->next) | |
412dc29d BS |
2784 | if (strcmp (oo->name, "dot") == 0 |
2785 | && oo->kind == OPTION_STRING) | |
2786 | dot = oo->info.string; | |
2787 | else if (strcmp (oo->name, "tag") == 0 | |
2788 | && oo->kind == OPTION_STRING) | |
2789 | tagid = oo->info.string; | |
17211ab5 GK |
2790 | else if (strcmp (oo->name, "skip") == 0) |
2791 | skip_p = 1; | |
2792 | else if (strcmp (oo->name, "default") == 0) | |
2793 | default_p = 1; | |
412dc29d BS |
2794 | else if (strcmp (oo->name, "reorder") == 0 |
2795 | && oo->kind == OPTION_STRING) | |
2796 | d->reorder_fn = oo->info.string; | |
17211ab5 GK |
2797 | else if (strncmp (oo->name, "use_param", 9) == 0 |
2798 | && (oo->name[9] == '\0' || ISDIGIT (oo->name[9]))) | |
2799 | use_param_p = 1; | |
314b662a MM |
2800 | else if (strcmp (oo->name, "length") == 0 |
2801 | && oo->kind == OPTION_STRING) | |
2802 | fieldlength = oo->info.string; | |
17211ab5 GK |
2803 | |
2804 | if (skip_p) | |
2805 | continue; | |
2806 | ||
2807 | if (union_p && tagid) | |
e2500fed | 2808 | { |
17211ab5 GK |
2809 | oprintf (d->of, "%*scase %s:\n", d->indent, "", tagid); |
2810 | d->indent += 2; | |
e2500fed | 2811 | } |
17211ab5 | 2812 | else if (union_p && default_p) |
e2500fed | 2813 | { |
17211ab5 GK |
2814 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); |
2815 | d->indent += 2; | |
2816 | seen_default_p = 1; | |
e2500fed | 2817 | } |
e1b793e7 | 2818 | else if (!union_p && (default_p || tagid)) |
3d7aafde | 2819 | error_at_line (d->line, |
17211ab5 GK |
2820 | "can't use `%s' outside a union on field `%s'", |
2821 | default_p ? "default" : "tag", f->name); | |
e1b793e7 | 2822 | else if (union_p && !(default_p || tagid) |
17211ab5 | 2823 | && f->type->kind == TYPE_SCALAR) |
e2500fed | 2824 | { |
17211ab5 | 2825 | fprintf (stderr, |
e1b793e7 | 2826 | "%s:%d: warning: field `%s' is missing `tag' or `default' option\n", |
14c4815e BS |
2827 | get_input_file_name (d->line->file), d->line->line, |
2828 | f->name); | |
17211ab5 | 2829 | continue; |
e2500fed | 2830 | } |
e1b793e7 | 2831 | else if (union_p && !(default_p || tagid)) |
3d7aafde | 2832 | error_at_line (d->line, |
17211ab5 | 2833 | "field `%s' is missing `tag' or `default' option", |
e2500fed | 2834 | f->name); |
3d7aafde | 2835 | |
314b662a MM |
2836 | if (fieldlength) |
2837 | { | |
2838 | d->loopcounter = endcounter - lengths_seen--; | |
2839 | } | |
2840 | ||
17211ab5 GK |
2841 | d->line = &f->line; |
2842 | d->val = newval = xasprintf ("%s%s%s", oldval, dot, f->name); | |
2843 | d->opt = f->opt; | |
d8044160 | 2844 | d->used_length = false; |
314b662a | 2845 | d->in_record_p = !union_p; |
17211ab5 GK |
2846 | |
2847 | if (union_p && use_param_p && d->param == NULL) | |
b2d59f6f | 2848 | oprintf (d->of, "%*sgcc_unreachable ();\n", d->indent, ""); |
17211ab5 GK |
2849 | else |
2850 | walk_type (f->type, d); | |
2851 | ||
314b662a MM |
2852 | d->in_record_p = false; |
2853 | ||
17211ab5 GK |
2854 | free (newval); |
2855 | ||
2856 | if (union_p) | |
e2500fed | 2857 | { |
17211ab5 GK |
2858 | oprintf (d->of, "%*sbreak;\n", d->indent, ""); |
2859 | d->indent -= 2; | |
e2500fed | 2860 | } |
17211ab5 GK |
2861 | } |
2862 | d->reorder_fn = NULL; | |
e2500fed | 2863 | |
17211ab5 GK |
2864 | d->val = oldval; |
2865 | d->prev_val[1] = oldprevval1; | |
2866 | d->prev_val[2] = oldprevval2; | |
2867 | ||
e1b793e7 | 2868 | if (union_p && !seen_default_p) |
17211ab5 GK |
2869 | { |
2870 | oprintf (d->of, "%*sdefault:\n", d->indent, ""); | |
2871 | oprintf (d->of, "%*s break;\n", d->indent, ""); | |
2872 | } | |
2873 | if (union_p) | |
2874 | { | |
2875 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2876 | d->indent -= 2; | |
e2500fed | 2877 | } |
314b662a MM |
2878 | if (any_length_seen) |
2879 | { | |
2880 | d->indent -= 2; | |
2881 | oprintf (d->of, "%*s}\n", d->indent, ""); | |
2882 | } | |
17211ab5 GK |
2883 | } |
2884 | break; | |
e2500fed | 2885 | |
17211ab5 GK |
2886 | case TYPE_LANG_STRUCT: |
2887 | { | |
2888 | type_p nt; | |
2889 | for (nt = t->u.s.lang_struct; nt; nt = nt->next) | |
2890 | if ((d->bitmap & nt->u.s.bitmap) == d->bitmap) | |
2891 | break; | |
2892 | if (nt == NULL) | |
2893 | error_at_line (d->line, "structure `%s' differs between languages", | |
2894 | t->u.s.tag); | |
2895 | else | |
2896 | walk_type (nt, d); | |
2897 | } | |
2898 | break; | |
2899 | ||
2900 | case TYPE_PARAM_STRUCT: | |
2901 | { | |
2902 | type_p *oldparam = d->param; | |
3d7aafde | 2903 | |
17211ab5 GK |
2904 | d->param = t->u.param_struct.param; |
2905 | walk_type (t->u.param_struct.stru, d); | |
2906 | d->param = oldparam; | |
2907 | } | |
2908 | break; | |
3d7aafde | 2909 | |
17211ab5 | 2910 | default: |
b2d59f6f | 2911 | gcc_unreachable (); |
e2500fed | 2912 | } |
17211ab5 GK |
2913 | } |
2914 | ||
2915 | /* process_field routine for marking routines. */ | |
2916 | ||
2917 | static void | |
3d7aafde | 2918 | write_types_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
2919 | { |
2920 | const struct write_types_data *wtd; | |
f099d360 | 2921 | const char *cast = d->needs_cast_p ? "(void *)" : ""; |
17211ab5 | 2922 | wtd = (const struct write_types_data *) d->cookie; |
3d7aafde | 2923 | |
17211ab5 | 2924 | switch (f->kind) |
e2500fed | 2925 | { |
412dc29d BS |
2926 | case TYPE_NONE: |
2927 | gcc_unreachable (); | |
17211ab5 | 2928 | case TYPE_POINTER: |
3d7aafde | 2929 | oprintf (d->of, "%*s%s (%s%s", d->indent, "", |
f099d360 | 2930 | wtd->subfield_marker_routine, cast, d->val); |
17211ab5 | 2931 | if (wtd->param_prefix) |
36a5eadd | 2932 | { |
163fa1eb DS |
2933 | if (f->u.p->kind == TYPE_SCALAR) |
2934 | /* The current type is a pointer to a scalar (so not | |
2935 | considered like a pointer to instances of user defined | |
2936 | types) and we are seeing it; it means we must be even | |
2937 | more careful about the second argument of the | |
2938 | SUBFIELD_MARKER_ROUTINE call. That argument must | |
2939 | always be the instance of the type for which | |
2940 | write_func_for_structure was called - this really is | |
2941 | what the function SUBFIELD_MARKER_ROUTINE expects. | |
2942 | That is, it must be an instance of the ORIG_S type | |
2943 | parameter of write_func_for_structure. The convention | |
2944 | is that that argument must be "x" in that case (as set | |
2945 | by write_func_for_structure). The problem is, we can't | |
2946 | count on d->prev_val[3] to be always set to "x" in that | |
2947 | case. Sometimes walk_type can set it to something else | |
2948 | (to e.g cooperate with write_array when called from | |
2949 | write_roots). So let's set it to "x" here then. */ | |
2950 | oprintf (d->of, ", x"); | |
2951 | else | |
2952 | oprintf (d->of, ", %s", d->prev_val[3]); | |
17211ab5 GK |
2953 | if (d->orig_s) |
2954 | { | |
2955 | oprintf (d->of, ", gt_%s_", wtd->param_prefix); | |
2956 | output_mangled_typename (d->of, d->orig_s); | |
2957 | } | |
2958 | else | |
2959 | oprintf (d->of, ", gt_%sa_%s", wtd->param_prefix, d->prev_val[0]); | |
08cee789 DJ |
2960 | |
2961 | if (f->u.p->kind == TYPE_PARAM_STRUCT | |
2962 | && f->u.p->u.s.line.file != NULL) | |
2963 | { | |
2964 | oprintf (d->of, ", gt_e_"); | |
2965 | output_mangled_typename (d->of, f); | |
2966 | } | |
e1b793e7 | 2967 | else if (UNION_OR_STRUCT_P (f) && f->u.p->u.s.line.file != NULL) |
08cee789 DJ |
2968 | { |
2969 | oprintf (d->of, ", gt_ggc_e_"); | |
2970 | output_mangled_typename (d->of, f); | |
2971 | } | |
2972 | else | |
2973 | oprintf (d->of, ", gt_types_enum_last"); | |
36a5eadd | 2974 | } |
17211ab5 GK |
2975 | oprintf (d->of, ");\n"); |
2976 | if (d->reorder_fn && wtd->reorder_note_routine) | |
3d7aafde | 2977 | oprintf (d->of, "%*s%s (%s%s, %s, %s);\n", d->indent, "", |
f099d360 | 2978 | wtd->reorder_note_routine, cast, d->val, |
17211ab5 GK |
2979 | d->prev_val[3], d->reorder_fn); |
2980 | break; | |
2981 | ||
2982 | case TYPE_STRING: | |
17211ab5 GK |
2983 | case TYPE_STRUCT: |
2984 | case TYPE_UNION: | |
2985 | case TYPE_LANG_STRUCT: | |
2986 | case TYPE_PARAM_STRUCT: | |
2987 | oprintf (d->of, "%*sgt_%s_", d->indent, "", wtd->prefix); | |
2988 | output_mangled_typename (d->of, f); | |
f099d360 | 2989 | oprintf (d->of, " (%s%s);\n", cast, d->val); |
17211ab5 | 2990 | if (d->reorder_fn && wtd->reorder_note_routine) |
3d7aafde | 2991 | oprintf (d->of, "%*s%s (%s%s, %s%s, %s);\n", d->indent, "", |
f099d360 | 2992 | wtd->reorder_note_routine, cast, d->val, cast, d->val, |
17211ab5 GK |
2993 | d->reorder_fn); |
2994 | break; | |
2995 | ||
2996 | case TYPE_SCALAR: | |
2997 | break; | |
3d7aafde | 2998 | |
412dc29d | 2999 | case TYPE_ARRAY: |
b2d59f6f | 3000 | gcc_unreachable (); |
e2500fed GK |
3001 | } |
3002 | } | |
3003 | ||
2d82317d RH |
3004 | /* A subroutine of write_func_for_structure. Write the enum tag for S. */ |
3005 | ||
3006 | static void | |
3007 | output_type_enum (outf_p of, type_p s) | |
3008 | { | |
6ba2db5e | 3009 | if (s->kind == TYPE_PARAM_STRUCT && s->u.param_struct.line.file != NULL) |
2d82317d RH |
3010 | { |
3011 | oprintf (of, ", gt_e_"); | |
3012 | output_mangled_typename (of, s); | |
3013 | } | |
3014 | else if (UNION_OR_STRUCT_P (s) && s->u.s.line.file != NULL) | |
3015 | { | |
3016 | oprintf (of, ", gt_ggc_e_"); | |
3017 | output_mangled_typename (of, s); | |
3018 | } | |
3019 | else | |
3020 | oprintf (of, ", gt_types_enum_last"); | |
3021 | } | |
3022 | ||
0277fabf LB |
3023 | /* Return an output file that is suitable for definitions which can |
3024 | reference struct S */ | |
3025 | ||
3026 | static outf_p | |
3027 | get_output_file_for_structure (const_type_p s, type_p *param) | |
3028 | { | |
14c4815e | 3029 | const input_file *fn; |
0277fabf LB |
3030 | int i; |
3031 | ||
90aa3e91 BS |
3032 | gcc_assert (UNION_OR_STRUCT_P (s)); |
3033 | fn = s->u.s.line.file; | |
3034 | ||
0277fabf LB |
3035 | /* This is a hack, and not the good kind either. */ |
3036 | for (i = NUM_PARAM - 1; i >= 0; i--) | |
3037 | if (param && param[i] && param[i]->kind == TYPE_POINTER | |
3038 | && UNION_OR_STRUCT_P (param[i]->u.p)) | |
3039 | fn = param[i]->u.p->u.s.line.file; | |
3040 | ||
14c4815e BS |
3041 | /* The call to get_output_file_with_visibility may update fn by |
3042 | caching its result inside, so we need the CONST_CAST. */ | |
3043 | return get_output_file_with_visibility (CONST_CAST (input_file*, fn)); | |
0277fabf LB |
3044 | } |
3045 | ||
17211ab5 GK |
3046 | /* For S, a structure that's part of ORIG_S, and using parameters |
3047 | PARAM, write out a routine that: | |
3048 | - Takes a parameter, a void * but actually of type *S | |
3049 | - If SEEN_ROUTINE returns nonzero, calls write_types_process_field on each | |
e1b793e7 BS |
3050 | field of S or its substructures and (in some cases) things |
3051 | that are pointed to by S. | |
17211ab5 | 3052 | */ |
9f313342 | 3053 | |
e2500fed | 3054 | static void |
8c80adb7 SB |
3055 | write_func_for_structure (type_p orig_s, type_p s, type_p *param, |
3056 | const struct write_types_data *wtd) | |
e2500fed | 3057 | { |
36a5eadd GK |
3058 | const char *chain_next = NULL; |
3059 | const char *chain_prev = NULL; | |
623f8e39 | 3060 | const char *chain_circular = NULL; |
8d6419b2 | 3061 | const char *mark_hook_name = NULL; |
36a5eadd | 3062 | options_p opt; |
17211ab5 | 3063 | struct walk_type_data d; |
3d7aafde | 3064 | |
17211ab5 | 3065 | memset (&d, 0, sizeof (d)); |
0277fabf | 3066 | d.of = get_output_file_for_structure (s, param); |
36a5eadd | 3067 | for (opt = s->u.s.opt; opt; opt = opt->next) |
412dc29d BS |
3068 | if (strcmp (opt->name, "chain_next") == 0 |
3069 | && opt->kind == OPTION_STRING) | |
3070 | chain_next = opt->info.string; | |
3071 | else if (strcmp (opt->name, "chain_prev") == 0 | |
3072 | && opt->kind == OPTION_STRING) | |
3073 | chain_prev = opt->info.string; | |
3074 | else if (strcmp (opt->name, "chain_circular") == 0 | |
3075 | && opt->kind == OPTION_STRING) | |
3076 | chain_circular = opt->info.string; | |
3077 | else if (strcmp (opt->name, "mark_hook") == 0 | |
3078 | && opt->kind == OPTION_STRING) | |
3079 | mark_hook_name = opt->info.string; | |
36a5eadd GK |
3080 | if (chain_prev != NULL && chain_next == NULL) |
3081 | error_at_line (&s->u.s.line, "chain_prev without chain_next"); | |
623f8e39 JJ |
3082 | if (chain_circular != NULL && chain_next != NULL) |
3083 | error_at_line (&s->u.s.line, "chain_circular with chain_next"); | |
3084 | if (chain_circular != NULL) | |
3085 | chain_next = chain_circular; | |
36a5eadd | 3086 | |
17211ab5 GK |
3087 | d.process_field = write_types_process_field; |
3088 | d.cookie = wtd; | |
3089 | d.orig_s = orig_s; | |
3090 | d.opt = s->u.s.opt; | |
3091 | d.line = &s->u.s.line; | |
3092 | d.bitmap = s->u.s.bitmap; | |
3093 | d.param = param; | |
3094 | d.prev_val[0] = "*x"; | |
e1b793e7 | 3095 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
3096 | d.prev_val[3] = "x"; |
3097 | d.val = "(*x)"; | |
3098 | ||
3099 | oprintf (d.of, "\n"); | |
3100 | oprintf (d.of, "void\n"); | |
e2500fed | 3101 | if (param == NULL) |
17211ab5 | 3102 | oprintf (d.of, "gt_%sx_%s", wtd->prefix, orig_s->u.s.tag); |
e2500fed | 3103 | else |
36a5eadd | 3104 | { |
17211ab5 GK |
3105 | oprintf (d.of, "gt_%s_", wtd->prefix); |
3106 | output_mangled_typename (d.of, orig_s); | |
36a5eadd | 3107 | } |
6906ba40 | 3108 | oprintf (d.of, " (void *x_p)\n"); |
17211ab5 GK |
3109 | oprintf (d.of, "{\n"); |
3110 | oprintf (d.of, " %s %s * %sx = (%s %s *)x_p;\n", | |
e2500fed | 3111 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, |
36a5eadd | 3112 | chain_next == NULL ? "const " : "", |
e2500fed | 3113 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
36a5eadd | 3114 | if (chain_next != NULL) |
17211ab5 | 3115 | oprintf (d.of, " %s %s * xlimit = x;\n", |
36a5eadd GK |
3116 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
3117 | if (chain_next == NULL) | |
17211ab5 GK |
3118 | { |
3119 | oprintf (d.of, " if (%s (x", wtd->marker_routine); | |
3120 | if (wtd->param_prefix) | |
3121 | { | |
3122 | oprintf (d.of, ", x, gt_%s_", wtd->param_prefix); | |
3123 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 3124 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
3125 | } |
3126 | oprintf (d.of, "))\n"); | |
3127 | } | |
36a5eadd GK |
3128 | else |
3129 | { | |
623f8e39 JJ |
3130 | if (chain_circular != NULL) |
3131 | oprintf (d.of, " if (!%s (xlimit", wtd->marker_routine); | |
3132 | else | |
3133 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
17211ab5 GK |
3134 | if (wtd->param_prefix) |
3135 | { | |
3136 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
3137 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 3138 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
3139 | } |
3140 | oprintf (d.of, "))\n"); | |
623f8e39 JJ |
3141 | if (chain_circular != NULL) |
3142 | oprintf (d.of, " return;\n do\n"); | |
8d6419b2 BS |
3143 | if (mark_hook_name && !wtd->skip_hooks) |
3144 | { | |
3145 | oprintf (d.of, " {\n"); | |
3146 | oprintf (d.of, " %s (xlimit);\n ", mark_hook_name); | |
3147 | } | |
17211ab5 GK |
3148 | oprintf (d.of, " xlimit = ("); |
3149 | d.prev_val[2] = "*xlimit"; | |
3150 | output_escaped_param (&d, chain_next, "chain_next"); | |
3151 | oprintf (d.of, ");\n"); | |
8d6419b2 BS |
3152 | if (mark_hook_name && !wtd->skip_hooks) |
3153 | oprintf (d.of, " }\n"); | |
36a5eadd GK |
3154 | if (chain_prev != NULL) |
3155 | { | |
17211ab5 GK |
3156 | oprintf (d.of, " if (x != xlimit)\n"); |
3157 | oprintf (d.of, " for (;;)\n"); | |
3158 | oprintf (d.of, " {\n"); | |
3159 | oprintf (d.of, " %s %s * const xprev = (", | |
36a5eadd | 3160 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); |
3d7aafde | 3161 | |
17211ab5 GK |
3162 | d.prev_val[2] = "*x"; |
3163 | output_escaped_param (&d, chain_prev, "chain_prev"); | |
3164 | oprintf (d.of, ");\n"); | |
3165 | oprintf (d.of, " if (xprev == NULL) break;\n"); | |
3166 | oprintf (d.of, " x = xprev;\n"); | |
e1b793e7 | 3167 | oprintf (d.of, " (void) %s (xprev", wtd->marker_routine); |
17211ab5 GK |
3168 | if (wtd->param_prefix) |
3169 | { | |
3170 | oprintf (d.of, ", xprev, gt_%s_", wtd->param_prefix); | |
3171 | output_mangled_typename (d.of, orig_s); | |
2d82317d | 3172 | output_type_enum (d.of, orig_s); |
17211ab5 GK |
3173 | } |
3174 | oprintf (d.of, ");\n"); | |
3175 | oprintf (d.of, " }\n"); | |
36a5eadd | 3176 | } |
623f8e39 JJ |
3177 | if (chain_circular != NULL) |
3178 | { | |
3179 | oprintf (d.of, " while (%s (xlimit", wtd->marker_routine); | |
3180 | if (wtd->param_prefix) | |
3181 | { | |
3182 | oprintf (d.of, ", xlimit, gt_%s_", wtd->param_prefix); | |
3183 | output_mangled_typename (d.of, orig_s); | |
3184 | output_type_enum (d.of, orig_s); | |
3185 | } | |
3186 | oprintf (d.of, "));\n"); | |
3187 | if (mark_hook_name && !wtd->skip_hooks) | |
3188 | oprintf (d.of, " %s (xlimit);\n", mark_hook_name); | |
3189 | oprintf (d.of, " do\n"); | |
3190 | } | |
3191 | else | |
3192 | oprintf (d.of, " while (x != xlimit)\n"); | |
36a5eadd | 3193 | } |
17211ab5 | 3194 | oprintf (d.of, " {\n"); |
8d6419b2 BS |
3195 | if (mark_hook_name && chain_next == NULL && !wtd->skip_hooks) |
3196 | { | |
3197 | oprintf (d.of, " %s (x);\n", mark_hook_name); | |
3198 | } | |
17211ab5 GK |
3199 | d.prev_val[2] = "*x"; |
3200 | d.indent = 6; | |
3201 | walk_type (s, &d); | |
3d7aafde | 3202 | |
36a5eadd GK |
3203 | if (chain_next != NULL) |
3204 | { | |
17211ab5 GK |
3205 | oprintf (d.of, " x = ("); |
3206 | output_escaped_param (&d, chain_next, "chain_next"); | |
3207 | oprintf (d.of, ");\n"); | |
36a5eadd GK |
3208 | } |
3209 | ||
17211ab5 | 3210 | oprintf (d.of, " }\n"); |
623f8e39 JJ |
3211 | if (chain_circular != NULL) |
3212 | oprintf (d.of, " while (x != xlimit);\n"); | |
17211ab5 | 3213 | oprintf (d.of, "}\n"); |
e2500fed | 3214 | } |
9f313342 GK |
3215 | |
3216 | /* Write out marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
e2500fed GK |
3217 | |
3218 | static void | |
0182d016 | 3219 | write_types (outf_p output_header, type_p structures, type_p param_structs, |
3d7aafde | 3220 | const struct write_types_data *wtd) |
e2500fed | 3221 | { |
1d32bbcd | 3222 | int nbfun = 0; /* Count the emitted functions. */ |
e2500fed | 3223 | type_p s; |
3d7aafde | 3224 | |
0182d016 | 3225 | oprintf (output_header, "\n/* %s*/\n", wtd->comment); |
c802b1cf BS |
3226 | /* We first emit the macros and the declarations. Functions' code is |
3227 | emitted afterwards. This is needed in plugin mode. */ | |
3228 | oprintf (output_header, "/* macros and declarations */\n"); | |
e2500fed | 3229 | for (s = structures; s; s = s->next) |
e1b793e7 | 3230 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
e2500fed GK |
3231 | { |
3232 | options_p opt; | |
3d7aafde | 3233 | |
e1b793e7 | 3234 | if (s->gc_used == GC_MAYBE_POINTED_TO && s->u.s.line.file == NULL) |
e2500fed GK |
3235 | continue; |
3236 | ||
0182d016 BS |
3237 | oprintf (output_header, "#define gt_%s_", wtd->prefix); |
3238 | output_mangled_typename (output_header, s); | |
3239 | oprintf (output_header, "(X) do { \\\n"); | |
3240 | oprintf (output_header, | |
3d7aafde | 3241 | " if (X != NULL) gt_%sx_%s (X);\\\n", wtd->prefix, |
17211ab5 | 3242 | s->u.s.tag); |
e1b793e7 | 3243 | oprintf (output_header, " } while (0)\n"); |
3d7aafde | 3244 | |
e2500fed | 3245 | for (opt = s->u.s.opt; opt; opt = opt->next) |
412dc29d BS |
3246 | if (strcmp (opt->name, "ptr_alias") == 0 |
3247 | && opt->kind == OPTION_TYPE) | |
e2500fed | 3248 | { |
412dc29d | 3249 | const_type_p const t = (const_type_p) opt->info.type; |
3d7aafde | 3250 | if (t->kind == TYPE_STRUCT |
e1b793e7 | 3251 | || t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT) |
0182d016 | 3252 | oprintf (output_header, |
17211ab5 GK |
3253 | "#define gt_%sx_%s gt_%sx_%s\n", |
3254 | wtd->prefix, s->u.s.tag, wtd->prefix, t->u.s.tag); | |
e2500fed | 3255 | else |
3d7aafde | 3256 | error_at_line (&s->u.s.line, |
e2500fed GK |
3257 | "structure alias is not a structure"); |
3258 | break; | |
3259 | } | |
3260 | if (opt) | |
3261 | continue; | |
3262 | ||
3263 | /* Declare the marker procedure only once. */ | |
0182d016 | 3264 | oprintf (output_header, |
3d7aafde | 3265 | "extern void gt_%sx_%s (void *);\n", |
17211ab5 | 3266 | wtd->prefix, s->u.s.tag); |
3d7aafde | 3267 | |
e2500fed GK |
3268 | if (s->u.s.line.file == NULL) |
3269 | { | |
3d7aafde | 3270 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
e2500fed GK |
3271 | s->u.s.tag); |
3272 | continue; | |
3273 | } | |
e2500fed GK |
3274 | } |
3275 | ||
3276 | for (s = param_structs; s; s = s->next) | |
3277 | if (s->gc_used == GC_POINTED_TO) | |
3278 | { | |
e2500fed GK |
3279 | type_p stru = s->u.param_struct.stru; |
3280 | ||
e2500fed | 3281 | /* Declare the marker procedure. */ |
0182d016 BS |
3282 | oprintf (output_header, "extern void gt_%s_", wtd->prefix); |
3283 | output_mangled_typename (output_header, s); | |
3284 | oprintf (output_header, " (void *);\n"); | |
3d7aafde | 3285 | |
e2500fed GK |
3286 | if (stru->u.s.line.file == NULL) |
3287 | { | |
3d7aafde | 3288 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
88f4f86f | 3289 | stru->u.s.tag); |
e2500fed GK |
3290 | continue; |
3291 | } | |
c802b1cf | 3292 | } |
b8698a0f L |
3293 | |
3294 | /* At last we emit the functions code. */ | |
c802b1cf BS |
3295 | oprintf (output_header, "\n/* functions code */\n"); |
3296 | for (s = structures; s; s = s->next) | |
e1b793e7 | 3297 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
c802b1cf BS |
3298 | { |
3299 | options_p opt; | |
3d7aafde | 3300 | |
e1b793e7 | 3301 | if (s->gc_used == GC_MAYBE_POINTED_TO && s->u.s.line.file == NULL) |
c802b1cf BS |
3302 | continue; |
3303 | for (opt = s->u.s.opt; opt; opt = opt->next) | |
3304 | if (strcmp (opt->name, "ptr_alias") == 0) | |
3305 | break; | |
3306 | if (opt) | |
3307 | continue; | |
b8698a0f | 3308 | |
c802b1cf BS |
3309 | if (s->kind == TYPE_LANG_STRUCT) |
3310 | { | |
3311 | type_p ss; | |
3312 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
1d32bbcd BS |
3313 | { |
3314 | nbfun++; | |
3315 | DBGPRINTF ("writing func #%d lang_struct ss @ %p '%s'", | |
3316 | nbfun, (void*) ss, ss->u.s.tag); | |
3317 | write_func_for_structure (s, ss, NULL, wtd); | |
3318 | } | |
c802b1cf BS |
3319 | } |
3320 | else | |
1d32bbcd BS |
3321 | { |
3322 | nbfun++; | |
3323 | DBGPRINTF ("writing func #%d struct s @ %p '%s'", | |
3324 | nbfun, (void*) s, s->u.s.tag); | |
3325 | write_func_for_structure (s, s, NULL, wtd); | |
3326 | } | |
c802b1cf | 3327 | } |
1d32bbcd BS |
3328 | else |
3329 | { | |
3330 | /* Structure s is not possibly pointed to, so can be ignored. */ | |
3331 | DBGPRINTF ("ignored s @ %p '%s' gc_used#%d", | |
3332 | (void*)s, s->u.s.tag, | |
3333 | (int) s->gc_used); | |
3334 | } | |
3335 | ||
c802b1cf BS |
3336 | for (s = param_structs; s; s = s->next) |
3337 | if (s->gc_used == GC_POINTED_TO) | |
3338 | { | |
3339 | type_p *param = s->u.param_struct.param; | |
3340 | type_p stru = s->u.param_struct.stru; | |
3341 | if (stru->u.s.line.file == NULL) | |
3342 | continue; | |
e2500fed GK |
3343 | if (stru->kind == TYPE_LANG_STRUCT) |
3344 | { | |
3345 | type_p ss; | |
3346 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
1d32bbcd BS |
3347 | { |
3348 | nbfun++; | |
3349 | DBGPRINTF ("writing func #%d param lang_struct ss @ %p '%s'", | |
3350 | nbfun, (void*) ss, ss->u.s.tag); | |
3351 | write_func_for_structure (s, ss, param, wtd); | |
3352 | } | |
17211ab5 GK |
3353 | } |
3354 | else | |
1d32bbcd BS |
3355 | { |
3356 | nbfun++; | |
3357 | DBGPRINTF ("writing func #%d param struct s @ %p stru @ %p '%s'", | |
3358 | nbfun, (void*) s, | |
3359 | (void*) stru, stru->u.s.tag); | |
3360 | write_func_for_structure (s, stru, param, wtd); | |
3361 | } | |
3362 | } | |
3363 | else | |
3364 | { | |
3365 | /* Param structure s is not pointed to, so should be ignored. */ | |
3366 | DBGPRINTF ("ignored s @ %p", (void*)s); | |
17211ab5 | 3367 | } |
1d32bbcd BS |
3368 | if (verbosity_level >= 2) |
3369 | printf ("%s emitted %d routines for %s\n", | |
3370 | progname, nbfun, wtd->comment); | |
17211ab5 GK |
3371 | } |
3372 | ||
e1b793e7 | 3373 | static const struct write_types_data ggc_wtd = { |
17211ab5 | 3374 | "ggc_m", NULL, "ggc_mark", "ggc_test_and_set_mark", NULL, |
8d6419b2 BS |
3375 | "GC marker procedures. ", |
3376 | FALSE | |
17211ab5 GK |
3377 | }; |
3378 | ||
e1b793e7 | 3379 | static const struct write_types_data pch_wtd = { |
17211ab5 GK |
3380 | "pch_n", "pch_p", "gt_pch_note_object", "gt_pch_note_object", |
3381 | "gt_pch_note_reorder", | |
8d6419b2 BS |
3382 | "PCH type-walking procedures. ", |
3383 | TRUE | |
17211ab5 GK |
3384 | }; |
3385 | ||
3386 | /* Write out the local pointer-walking routines. */ | |
3387 | ||
3388 | /* process_field routine for local pointer-walking. */ | |
3389 | ||
3390 | static void | |
3d7aafde | 3391 | write_types_local_process_field (type_p f, const struct walk_type_data *d) |
17211ab5 GK |
3392 | { |
3393 | switch (f->kind) | |
3394 | { | |
3395 | case TYPE_POINTER: | |
3396 | case TYPE_STRUCT: | |
3397 | case TYPE_UNION: | |
3398 | case TYPE_LANG_STRUCT: | |
3399 | case TYPE_PARAM_STRUCT: | |
3400 | case TYPE_STRING: | |
3401 | oprintf (d->of, "%*sif ((void *)(%s) == this_obj)\n", d->indent, "", | |
3402 | d->prev_val[3]); | |
3403 | oprintf (d->of, "%*s op (&(%s), cookie);\n", d->indent, "", d->val); | |
3404 | break; | |
3405 | ||
3406 | case TYPE_SCALAR: | |
3407 | break; | |
3d7aafde | 3408 | |
17211ab5 | 3409 | default: |
b2d59f6f | 3410 | gcc_unreachable (); |
17211ab5 GK |
3411 | } |
3412 | } | |
3413 | ||
3414 | /* For S, a structure that's part of ORIG_S, and using parameters | |
3415 | PARAM, write out a routine that: | |
3416 | - Is of type gt_note_pointers | |
d8044160 | 3417 | - Calls PROCESS_FIELD on each field of S or its substructures. |
17211ab5 GK |
3418 | */ |
3419 | ||
3420 | static void | |
0277fabf | 3421 | write_local_func_for_structure (const_type_p orig_s, type_p s, type_p *param) |
17211ab5 | 3422 | { |
17211ab5 | 3423 | struct walk_type_data d; |
3d7aafde | 3424 | |
17211ab5 | 3425 | memset (&d, 0, sizeof (d)); |
0277fabf | 3426 | d.of = get_output_file_for_structure (s, param); |
17211ab5 GK |
3427 | d.process_field = write_types_local_process_field; |
3428 | d.opt = s->u.s.opt; | |
3429 | d.line = &s->u.s.line; | |
3430 | d.bitmap = s->u.s.bitmap; | |
3431 | d.param = param; | |
3432 | d.prev_val[0] = d.prev_val[2] = "*x"; | |
e1b793e7 | 3433 | d.prev_val[1] = "not valid postage"; /* Guarantee an error. */ |
17211ab5 GK |
3434 | d.prev_val[3] = "x"; |
3435 | d.val = "(*x)"; | |
d8044160 | 3436 | d.fn_wants_lvalue = true; |
17211ab5 GK |
3437 | |
3438 | oprintf (d.of, "\n"); | |
3439 | oprintf (d.of, "void\n"); | |
3440 | oprintf (d.of, "gt_pch_p_"); | |
3441 | output_mangled_typename (d.of, orig_s); | |
e18476eb BI |
3442 | oprintf (d.of, " (ATTRIBUTE_UNUSED void *this_obj,\n" |
3443 | "\tvoid *x_p,\n" | |
3444 | "\tATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3445 | "\tATTRIBUTE_UNUSED void *cookie)\n"); | |
17211ab5 GK |
3446 | oprintf (d.of, "{\n"); |
3447 | oprintf (d.of, " %s %s * const x ATTRIBUTE_UNUSED = (%s %s *)x_p;\n", | |
3448 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag, | |
3449 | s->kind == TYPE_UNION ? "union" : "struct", s->u.s.tag); | |
3450 | d.indent = 2; | |
3451 | walk_type (s, &d); | |
3452 | oprintf (d.of, "}\n"); | |
3453 | } | |
3454 | ||
3455 | /* Write out local marker routines for STRUCTURES and PARAM_STRUCTS. */ | |
3456 | ||
3457 | static void | |
0182d016 | 3458 | write_local (outf_p output_header, type_p structures, type_p param_structs) |
17211ab5 GK |
3459 | { |
3460 | type_p s; | |
3d7aafde | 3461 | |
b8698a0f | 3462 | if (!output_header) |
bd117bb6 | 3463 | return; |
0182d016 | 3464 | oprintf (output_header, "\n/* Local pointer-walking routines. */\n"); |
17211ab5 | 3465 | for (s = structures; s; s = s->next) |
e1b793e7 | 3466 | if (s->gc_used == GC_POINTED_TO || s->gc_used == GC_MAYBE_POINTED_TO) |
17211ab5 GK |
3467 | { |
3468 | options_p opt; | |
3d7aafde | 3469 | |
17211ab5 GK |
3470 | if (s->u.s.line.file == NULL) |
3471 | continue; | |
412dc29d BS |
3472 | for (opt = s->u.s.opt; opt; opt = opt->next) |
3473 | if (strcmp (opt->name, "ptr_alias") == 0 | |
3474 | && opt->kind == OPTION_TYPE) | |
17211ab5 | 3475 | { |
412dc29d | 3476 | const_type_p const t = (const_type_p) opt->info.type; |
3d7aafde | 3477 | if (t->kind == TYPE_STRUCT |
e1b793e7 | 3478 | || t->kind == TYPE_UNION || t->kind == TYPE_LANG_STRUCT) |
17211ab5 | 3479 | { |
0182d016 BS |
3480 | oprintf (output_header, "#define gt_pch_p_"); |
3481 | output_mangled_typename (output_header, s); | |
3482 | oprintf (output_header, " gt_pch_p_"); | |
3483 | output_mangled_typename (output_header, t); | |
3484 | oprintf (output_header, "\n"); | |
17211ab5 GK |
3485 | } |
3486 | else | |
3d7aafde | 3487 | error_at_line (&s->u.s.line, |
17211ab5 GK |
3488 | "structure alias is not a structure"); |
3489 | break; | |
3490 | } | |
3491 | if (opt) | |
3492 | continue; | |
3493 | ||
3494 | /* Declare the marker procedure only once. */ | |
0182d016 BS |
3495 | oprintf (output_header, "extern void gt_pch_p_"); |
3496 | output_mangled_typename (output_header, s); | |
3497 | oprintf (output_header, | |
e1b793e7 | 3498 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
3d7aafde | 3499 | |
17211ab5 GK |
3500 | if (s->kind == TYPE_LANG_STRUCT) |
3501 | { | |
3502 | type_p ss; | |
3503 | for (ss = s->u.s.lang_struct; ss; ss = ss->next) | |
3504 | write_local_func_for_structure (s, ss, NULL); | |
3505 | } | |
3506 | else | |
3507 | write_local_func_for_structure (s, s, NULL); | |
3508 | } | |
3509 | ||
3510 | for (s = param_structs; s; s = s->next) | |
3511 | if (s->gc_used == GC_POINTED_TO) | |
3512 | { | |
e1b793e7 | 3513 | type_p *param = s->u.param_struct.param; |
17211ab5 GK |
3514 | type_p stru = s->u.param_struct.stru; |
3515 | ||
3516 | /* Declare the marker procedure. */ | |
0182d016 BS |
3517 | oprintf (output_header, "extern void gt_pch_p_"); |
3518 | output_mangled_typename (output_header, s); | |
3519 | oprintf (output_header, | |
e1b793e7 | 3520 | "\n (void *, void *, gt_pointer_operator, void *);\n"); |
3d7aafde | 3521 | |
17211ab5 GK |
3522 | if (stru->u.s.line.file == NULL) |
3523 | { | |
3d7aafde | 3524 | fprintf (stderr, "warning: structure `%s' used but not defined\n", |
88f4f86f | 3525 | stru->u.s.tag); |
17211ab5 GK |
3526 | continue; |
3527 | } | |
3d7aafde | 3528 | |
17211ab5 GK |
3529 | if (stru->kind == TYPE_LANG_STRUCT) |
3530 | { | |
3531 | type_p ss; | |
3532 | for (ss = stru->u.s.lang_struct; ss; ss = ss->next) | |
3533 | write_local_func_for_structure (s, ss, param); | |
e2500fed GK |
3534 | } |
3535 | else | |
17211ab5 | 3536 | write_local_func_for_structure (s, stru, param); |
36a5eadd GK |
3537 | } |
3538 | } | |
3539 | ||
a9429e29 LB |
3540 | /* Nonzero if S is a type for which typed GC allocators should be output. */ |
3541 | ||
3542 | #define USED_BY_TYPED_GC_P(s) \ | |
3543 | (((s->kind == TYPE_POINTER) \ | |
3544 | && ((s->u.p->gc_used == GC_POINTED_TO) \ | |
3545 | || (s->u.p->gc_used == GC_USED))) \ | |
3546 | || (UNION_OR_STRUCT_P (s) && \ | |
3547 | (((s)->gc_used == GC_POINTED_TO) \ | |
3548 | || ((s)->gc_used == GC_MAYBE_POINTED_TO \ | |
3549 | && s->u.s.line.file != NULL) \ | |
3550 | || ((s)->gc_used == GC_USED \ | |
3551 | && strncmp (s->u.s.tag, "anonymous", strlen ("anonymous")))))) | |
3552 | ||
3553 | ||
36a5eadd GK |
3554 | /* Write out the 'enum' definition for gt_types_enum. */ |
3555 | ||
3556 | static void | |
8c80adb7 | 3557 | write_enum_defn (type_p structures, type_p param_structs) |
36a5eadd GK |
3558 | { |
3559 | type_p s; | |
1d32bbcd BS |
3560 | int nbstruct = 0; |
3561 | int nbparamstruct = 0; | |
3d7aafde | 3562 | |
b8698a0f | 3563 | if (!header_file) |
bd117bb6 | 3564 | return; |
36a5eadd GK |
3565 | oprintf (header_file, "\n/* Enumeration of types known. */\n"); |
3566 | oprintf (header_file, "enum gt_types_enum {\n"); | |
3567 | for (s = structures; s; s = s->next) | |
a9429e29 | 3568 | if (USED_BY_TYPED_GC_P (s)) |
36a5eadd | 3569 | { |
1d32bbcd BS |
3570 | nbstruct++; |
3571 | DBGPRINTF ("write_enum_defn s @ %p nbstruct %d", | |
3572 | (void*) s, nbstruct); | |
3573 | if (UNION_OR_STRUCT_P (s)) | |
3574 | DBGPRINTF ("write_enum_defn s %p #%d is unionorstruct tagged %s", | |
3575 | (void*) s, nbstruct, s->u.s.tag); | |
36a5eadd GK |
3576 | oprintf (header_file, " gt_ggc_e_"); |
3577 | output_mangled_typename (header_file, s); | |
a9429e29 | 3578 | oprintf (header_file, ",\n"); |
e2500fed | 3579 | } |
36a5eadd GK |
3580 | for (s = param_structs; s; s = s->next) |
3581 | if (s->gc_used == GC_POINTED_TO) | |
3582 | { | |
1d32bbcd BS |
3583 | nbparamstruct++; |
3584 | DBGPRINTF ("write_enum_defn s %p nbparamstruct %d", | |
3585 | (void*) s, nbparamstruct); | |
36a5eadd GK |
3586 | oprintf (header_file, " gt_e_"); |
3587 | output_mangled_typename (header_file, s); | |
a9429e29 | 3588 | oprintf (header_file, ",\n"); |
36a5eadd GK |
3589 | } |
3590 | oprintf (header_file, " gt_types_enum_last\n"); | |
3591 | oprintf (header_file, "};\n"); | |
1d32bbcd BS |
3592 | if (verbosity_level >= 2) |
3593 | printf ("%s handled %d GTY-ed structures & %d parameterized structures.\n", | |
3594 | progname, nbstruct, nbparamstruct); | |
3595 | ||
e2500fed GK |
3596 | } |
3597 | ||
17211ab5 GK |
3598 | /* Might T contain any non-pointer elements? */ |
3599 | ||
3600 | static int | |
3d7aafde | 3601 | contains_scalar_p (type_p t) |
17211ab5 GK |
3602 | { |
3603 | switch (t->kind) | |
3604 | { | |
3605 | case TYPE_STRING: | |
3606 | case TYPE_POINTER: | |
3607 | return 0; | |
3608 | case TYPE_ARRAY: | |
3609 | return contains_scalar_p (t->u.a.p); | |
3610 | default: | |
3611 | /* Could also check for structures that have no non-pointer | |
e1b793e7 | 3612 | fields, but there aren't enough of those to worry about. */ |
17211ab5 GK |
3613 | return 1; |
3614 | } | |
3615 | } | |
36a5eadd | 3616 | |
14c4815e | 3617 | /* Mangle INPF and print it to F. */ |
9f313342 | 3618 | |
e2500fed | 3619 | static void |
14c4815e | 3620 | put_mangled_filename (outf_p f, const input_file *inpf) |
e2500fed | 3621 | { |
14c4815e BS |
3622 | /* The call to get_output_file_name may indirectly update fn since |
3623 | get_output_file_with_visibility caches its result inside, so we | |
3624 | need the CONST_CAST. */ | |
3625 | const char *name = get_output_file_name (CONST_CAST (input_file*, inpf)); | |
b8698a0f | 3626 | if (!f || !name) |
bd117bb6 | 3627 | return; |
e2500fed | 3628 | for (; *name != 0; name++) |
1f8e4682 | 3629 | if (ISALNUM (*name)) |
e03856fe | 3630 | oprintf (f, "%c", *name); |
e2500fed | 3631 | else |
e03856fe | 3632 | oprintf (f, "%c", '_'); |
e2500fed GK |
3633 | } |
3634 | ||
9f313342 GK |
3635 | /* Finish off the currently-created root tables in FLP. PFX, TNAME, |
3636 | LASTNAME, and NAME are all strings to insert in various places in | |
3637 | the resulting code. */ | |
3638 | ||
e2500fed | 3639 | static void |
3d7aafde AJ |
3640 | finish_root_table (struct flist *flp, const char *pfx, const char *lastname, |
3641 | const char *tname, const char *name) | |
e2500fed GK |
3642 | { |
3643 | struct flist *fli2; | |
3d7aafde | 3644 | |
e2500fed GK |
3645 | for (fli2 = flp; fli2; fli2 = fli2->next) |
3646 | if (fli2->started_p) | |
3647 | { | |
e03856fe GK |
3648 | oprintf (fli2->f, " %s\n", lastname); |
3649 | oprintf (fli2->f, "};\n\n"); | |
e2500fed GK |
3650 | } |
3651 | ||
bd117bb6 | 3652 | for (fli2 = flp; fli2 && base_files; fli2 = fli2->next) |
e2500fed GK |
3653 | if (fli2->started_p) |
3654 | { | |
14c4815e | 3655 | lang_bitmap bitmap = get_lang_bitmap (fli2->file); |
e2500fed GK |
3656 | int fnum; |
3657 | ||
3658 | for (fnum = 0; bitmap != 0; fnum++, bitmap >>= 1) | |
3659 | if (bitmap & 1) | |
3660 | { | |
e03856fe | 3661 | oprintf (base_files[fnum], |
e1b793e7 | 3662 | "extern const struct %s gt_%s_", tname, pfx); |
14c4815e | 3663 | put_mangled_filename (base_files[fnum], fli2->file); |
e03856fe | 3664 | oprintf (base_files[fnum], "[];\n"); |
e2500fed GK |
3665 | } |
3666 | } | |
3d7aafde | 3667 | |
17211ab5 GK |
3668 | { |
3669 | size_t fnum; | |
bd117bb6 | 3670 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
e1b793e7 BS |
3671 | oprintf (base_files[fnum], |
3672 | "EXPORTED_CONST struct %s * const %s[] = {\n", tname, name); | |
17211ab5 | 3673 | } |
3d7aafde | 3674 | |
e2500fed GK |
3675 | |
3676 | for (fli2 = flp; fli2; fli2 = fli2->next) | |
3677 | if (fli2->started_p) | |
3678 | { | |
14c4815e | 3679 | lang_bitmap bitmap = get_lang_bitmap (fli2->file); |
e2500fed GK |
3680 | int fnum; |
3681 | ||
3682 | fli2->started_p = 0; | |
3683 | ||
bd117bb6 | 3684 | for (fnum = 0; base_files && bitmap != 0; fnum++, bitmap >>= 1) |
e2500fed GK |
3685 | if (bitmap & 1) |
3686 | { | |
17211ab5 | 3687 | oprintf (base_files[fnum], " gt_%s_", pfx); |
14c4815e | 3688 | put_mangled_filename (base_files[fnum], fli2->file); |
e03856fe | 3689 | oprintf (base_files[fnum], ",\n"); |
e2500fed GK |
3690 | } |
3691 | } | |
3692 | ||
3693 | { | |
17211ab5 | 3694 | size_t fnum; |
bd117bb6 | 3695 | for (fnum = 0; base_files && fnum < num_lang_dirs; fnum++) |
17211ab5 GK |
3696 | { |
3697 | oprintf (base_files[fnum], " NULL\n"); | |
3698 | oprintf (base_files[fnum], "};\n"); | |
3699 | } | |
e2500fed GK |
3700 | } |
3701 | } | |
3702 | ||
b08e0339 RS |
3703 | /* Write the first three fields (pointer, count and stride) for |
3704 | root NAME to F. V and LINE are as for write_root. | |
3705 | ||
3706 | Return true if the entry could be written; return false on error. */ | |
3707 | ||
3708 | static bool | |
3709 | start_root_entry (outf_p f, pair_p v, const char *name, struct fileloc *line) | |
3710 | { | |
3711 | type_p ap; | |
3712 | ||
3713 | if (!v) | |
3714 | { | |
3715 | error_at_line (line, "`%s' is too complex to be a root", name); | |
3716 | return false; | |
3717 | } | |
3718 | ||
3719 | oprintf (f, " {\n"); | |
3720 | oprintf (f, " &%s,\n", name); | |
3721 | oprintf (f, " 1"); | |
3722 | ||
3723 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
3724 | if (ap->u.a.len[0]) | |
3725 | oprintf (f, " * (%s)", ap->u.a.len); | |
3726 | else if (ap == v->type) | |
3727 | oprintf (f, " * ARRAY_SIZE (%s)", v->name); | |
3728 | oprintf (f, ",\n"); | |
3729 | oprintf (f, " sizeof (%s", v->name); | |
3730 | for (ap = v->type; ap->kind == TYPE_ARRAY; ap = ap->u.a.p) | |
3731 | oprintf (f, "[0]"); | |
3732 | oprintf (f, "),\n"); | |
3733 | return true; | |
3734 | } | |
3735 | ||
647565f6 RS |
3736 | /* A subroutine of write_root for writing the roots for field FIELD_NAME, |
3737 | which has type FIELD_TYPE. Parameters F to EMIT_PCH are the parameters | |
3738 | of the caller. */ | |
3739 | ||
3740 | static void | |
3741 | write_field_root (outf_p f, pair_p v, type_p type, const char *name, | |
3742 | int has_length, struct fileloc *line, const char *if_marked, | |
3743 | bool emit_pch, type_p field_type, const char *field_name) | |
3744 | { | |
47598145 | 3745 | struct pair newv; |
647565f6 RS |
3746 | /* If the field reference is relative to V, rather than to some |
3747 | subcomponent of V, we can mark any subarrays with a single stride. | |
3748 | We're effectively treating the field as a global variable in its | |
3749 | own right. */ | |
b08e0339 | 3750 | if (v && type == v->type) |
647565f6 | 3751 | { |
647565f6 RS |
3752 | newv = *v; |
3753 | newv.type = field_type; | |
3754 | newv.name = ACONCAT ((v->name, ".", field_name, NULL)); | |
3755 | v = &newv; | |
3756 | } | |
3757 | /* Otherwise, any arrays nested in the structure are too complex to | |
3758 | handle. */ | |
3759 | else if (field_type->kind == TYPE_ARRAY) | |
b08e0339 | 3760 | v = NULL; |
647565f6 RS |
3761 | write_root (f, v, field_type, ACONCAT ((name, ".", field_name, NULL)), |
3762 | has_length, line, if_marked, emit_pch); | |
3763 | } | |
3764 | ||
9f313342 | 3765 | /* Write out to F the table entry and any marker routines needed to |
b08e0339 RS |
3766 | mark NAME as TYPE. V can be one of three values: |
3767 | ||
f8ed6dc5 JS |
3768 | - null, if NAME is too complex to represent using a single |
3769 | count and stride. In this case, it is an error for NAME to | |
3770 | contain any gc-ed data. | |
b08e0339 | 3771 | |
f8ed6dc5 | 3772 | - the outermost array that contains NAME, if NAME is part of an array. |
b08e0339 | 3773 | |
f8ed6dc5 | 3774 | - the C variable that contains NAME, if NAME is not part of an array. |
b08e0339 RS |
3775 | |
3776 | LINE is the line of the C source that declares the root variable. | |
9f313342 GK |
3777 | HAS_LENGTH is nonzero iff V was a variable-length array. IF_MARKED |
3778 | is nonzero iff we are building the root table for hash table caches. */ | |
3779 | ||
e2500fed | 3780 | static void |
3d7aafde | 3781 | write_root (outf_p f, pair_p v, type_p type, const char *name, int has_length, |
99be7084 | 3782 | struct fileloc *line, const char *if_marked, bool emit_pch) |
e2500fed GK |
3783 | { |
3784 | switch (type->kind) | |
3785 | { | |
3786 | case TYPE_STRUCT: | |
3787 | { | |
3788 | pair_p fld; | |
3789 | for (fld = type->u.s.fields; fld; fld = fld->next) | |
3790 | { | |
3791 | int skip_p = 0; | |
3792 | const char *desc = NULL; | |
3793 | options_p o; | |
3d7aafde | 3794 | |
e2500fed GK |
3795 | for (o = fld->opt; o; o = o->next) |
3796 | if (strcmp (o->name, "skip") == 0) | |
3797 | skip_p = 1; | |
412dc29d BS |
3798 | else if (strcmp (o->name, "desc") == 0 |
3799 | && o->kind == OPTION_STRING) | |
3800 | desc = o->info.string; | |
69c32ec8 JH |
3801 | else if (strcmp (o->name, "param_is") == 0) |
3802 | ; | |
e2500fed GK |
3803 | else |
3804 | error_at_line (line, | |
e1b793e7 | 3805 | "field `%s' of global `%s' has unknown option `%s'", |
e2500fed | 3806 | fld->name, name, o->name); |
3d7aafde | 3807 | |
e2500fed GK |
3808 | if (skip_p) |
3809 | continue; | |
3810 | else if (desc && fld->type->kind == TYPE_UNION) | |
3811 | { | |
3812 | pair_p validf = NULL; | |
3813 | pair_p ufld; | |
3d7aafde | 3814 | |
e2500fed GK |
3815 | for (ufld = fld->type->u.s.fields; ufld; ufld = ufld->next) |
3816 | { | |
3817 | const char *tag = NULL; | |
3818 | options_p oo; | |
412dc29d BS |
3819 | for (oo = ufld->opt; oo; oo = oo->next) |
3820 | if (strcmp (oo->name, "tag") == 0 | |
3821 | && oo->kind == OPTION_STRING) | |
3822 | tag = oo->info.string; | |
e2500fed GK |
3823 | if (tag == NULL || strcmp (tag, desc) != 0) |
3824 | continue; | |
3825 | if (validf != NULL) | |
3d7aafde | 3826 | error_at_line (line, |
e1b793e7 | 3827 | "both `%s.%s.%s' and `%s.%s.%s' have tag `%s'", |
e2500fed | 3828 | name, fld->name, validf->name, |
e1b793e7 | 3829 | name, fld->name, ufld->name, tag); |
e2500fed GK |
3830 | validf = ufld; |
3831 | } | |
3832 | if (validf != NULL) | |
647565f6 RS |
3833 | write_field_root (f, v, type, name, 0, line, if_marked, |
3834 | emit_pch, validf->type, | |
3835 | ACONCAT ((fld->name, ".", | |
3836 | validf->name, NULL))); | |
e2500fed GK |
3837 | } |
3838 | else if (desc) | |
3d7aafde | 3839 | error_at_line (line, |
e1b793e7 | 3840 | "global `%s.%s' has `desc' option but is not union", |
e2500fed GK |
3841 | name, fld->name); |
3842 | else | |
647565f6 RS |
3843 | write_field_root (f, v, type, name, 0, line, if_marked, |
3844 | emit_pch, fld->type, fld->name); | |
e2500fed GK |
3845 | } |
3846 | } | |
3847 | break; | |
3848 | ||
3849 | case TYPE_ARRAY: | |
3850 | { | |
3851 | char *newname; | |
e03856fe | 3852 | newname = xasprintf ("%s[0]", name); |
99be7084 BS |
3853 | write_root (f, v, type->u.a.p, newname, has_length, line, if_marked, |
3854 | emit_pch); | |
e2500fed GK |
3855 | free (newname); |
3856 | } | |
3857 | break; | |
3d7aafde | 3858 | |
e2500fed GK |
3859 | case TYPE_POINTER: |
3860 | { | |
b08e0339 RS |
3861 | type_p tp; |
3862 | ||
3863 | if (!start_root_entry (f, v, name, line)) | |
3864 | return; | |
3d7aafde | 3865 | |
e2500fed | 3866 | tp = type->u.p; |
3d7aafde | 3867 | |
e1b793e7 | 3868 | if (!has_length && UNION_OR_STRUCT_P (tp)) |
e2500fed | 3869 | { |
17211ab5 | 3870 | oprintf (f, " >_ggc_mx_%s,\n", tp->u.s.tag); |
99be7084 BS |
3871 | if (emit_pch) |
3872 | oprintf (f, " >_pch_nx_%s", tp->u.s.tag); | |
3873 | else | |
3874 | oprintf (f, " NULL"); | |
e2500fed | 3875 | } |
e1b793e7 | 3876 | else if (!has_length && tp->kind == TYPE_PARAM_STRUCT) |
e2500fed | 3877 | { |
36a5eadd GK |
3878 | oprintf (f, " >_ggc_m_"); |
3879 | output_mangled_typename (f, tp); | |
99be7084 BS |
3880 | if (emit_pch) |
3881 | { | |
3882 | oprintf (f, ",\n >_pch_n_"); | |
3883 | output_mangled_typename (f, tp); | |
3884 | } | |
3885 | else | |
3886 | oprintf (f, ",\n NULL"); | |
e2500fed GK |
3887 | } |
3888 | else if (has_length | |
afb0f770 | 3889 | && (tp->kind == TYPE_POINTER || UNION_OR_STRUCT_P (tp))) |
e2500fed | 3890 | { |
17211ab5 | 3891 | oprintf (f, " >_ggc_ma_%s,\n", name); |
99be7084 BS |
3892 | if (emit_pch) |
3893 | oprintf (f, " >_pch_na_%s", name); | |
3894 | else | |
3895 | oprintf (f, " NULL"); | |
e2500fed GK |
3896 | } |
3897 | else | |
3898 | { | |
3d7aafde | 3899 | error_at_line (line, |
e2500fed GK |
3900 | "global `%s' is pointer to unimplemented type", |
3901 | name); | |
3902 | } | |
3903 | if (if_marked) | |
e03856fe GK |
3904 | oprintf (f, ",\n &%s", if_marked); |
3905 | oprintf (f, "\n },\n"); | |
e2500fed GK |
3906 | } |
3907 | break; | |
3908 | ||
e2500fed | 3909 | case TYPE_STRING: |
17211ab5 | 3910 | { |
b08e0339 RS |
3911 | if (!start_root_entry (f, v, name, line)) |
3912 | return; | |
3913 | ||
dae4174e | 3914 | oprintf (f, " (gt_pointer_walker) >_ggc_m_S,\n"); |
f099d360 | 3915 | oprintf (f, " (gt_pointer_walker) >_pch_n_S\n"); |
17211ab5 GK |
3916 | oprintf (f, " },\n"); |
3917 | } | |
3918 | break; | |
3d7aafde | 3919 | |
17211ab5 | 3920 | case TYPE_SCALAR: |
e2500fed | 3921 | break; |
3d7aafde | 3922 | |
e2500fed | 3923 | default: |
e1b793e7 | 3924 | error_at_line (line, "global `%s' is unimplemented type", name); |
e2500fed GK |
3925 | } |
3926 | } | |
3927 | ||
17211ab5 GK |
3928 | /* This generates a routine to walk an array. */ |
3929 | ||
3930 | static void | |
3d7aafde | 3931 | write_array (outf_p f, pair_p v, const struct write_types_data *wtd) |
17211ab5 GK |
3932 | { |
3933 | struct walk_type_data d; | |
3934 | char *prevval3; | |
3d7aafde | 3935 | |
17211ab5 GK |
3936 | memset (&d, 0, sizeof (d)); |
3937 | d.of = f; | |
3938 | d.cookie = wtd; | |
3939 | d.indent = 2; | |
3940 | d.line = &v->line; | |
3941 | d.opt = v->opt; | |
11a67599 | 3942 | d.bitmap = get_lang_bitmap (v->line.file); |
17211ab5 GK |
3943 | d.param = NULL; |
3944 | ||
3945 | d.prev_val[3] = prevval3 = xasprintf ("&%s", v->name); | |
3946 | ||
3947 | if (wtd->param_prefix) | |
3948 | { | |
3949 | oprintf (f, "static void gt_%sa_%s\n", wtd->param_prefix, v->name); | |
e1b793e7 | 3950 | oprintf (f, " (void *, void *, gt_pointer_operator, void *);\n"); |
e18476eb | 3951 | oprintf (f, "static void gt_%sa_%s (ATTRIBUTE_UNUSED void *this_obj,\n", |
17211ab5 | 3952 | wtd->param_prefix, v->name); |
e18476eb BI |
3953 | oprintf (d.of, |
3954 | " ATTRIBUTE_UNUSED void *x_p,\n" | |
3955 | " ATTRIBUTE_UNUSED gt_pointer_operator op,\n" | |
3956 | " ATTRIBUTE_UNUSED void * cookie)\n"); | |
17211ab5 GK |
3957 | oprintf (d.of, "{\n"); |
3958 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3959 | d.process_field = write_types_local_process_field; | |
3960 | walk_type (v->type, &d); | |
3961 | oprintf (f, "}\n\n"); | |
3962 | } | |
3963 | ||
3964 | d.opt = v->opt; | |
e1b793e7 | 3965 | oprintf (f, "static void gt_%sa_%s (void *);\n", wtd->prefix, v->name); |
e18476eb | 3966 | oprintf (f, "static void\ngt_%sa_%s (ATTRIBUTE_UNUSED void *x_p)\n", |
17211ab5 | 3967 | wtd->prefix, v->name); |
17211ab5 GK |
3968 | oprintf (f, "{\n"); |
3969 | d.prev_val[0] = d.prev_val[1] = d.prev_val[2] = d.val = v->name; | |
3970 | d.process_field = write_types_process_field; | |
3971 | walk_type (v->type, &d); | |
3972 | free (prevval3); | |
3973 | oprintf (f, "}\n\n"); | |
3974 | } | |
3975 | ||
9f313342 GK |
3976 | /* Output a table describing the locations and types of VARIABLES. */ |
3977 | ||
e2500fed | 3978 | static void |
99be7084 | 3979 | write_roots (pair_p variables, bool emit_pch) |
e2500fed GK |
3980 | { |
3981 | pair_p v; | |
3982 | struct flist *flp = NULL; | |
3983 | ||
3984 | for (v = variables; v; v = v->next) | |
3985 | { | |
14c4815e BS |
3986 | outf_p f = |
3987 | get_output_file_with_visibility (CONST_CAST (input_file*, | |
3988 | v->line.file)); | |
e2500fed GK |
3989 | struct flist *fli; |
3990 | const char *length = NULL; | |
3991 | int deletable_p = 0; | |
3992 | options_p o; | |
e2500fed | 3993 | for (o = v->opt; o; o = o->next) |
412dc29d BS |
3994 | if (strcmp (o->name, "length") == 0 |
3995 | && o->kind == OPTION_STRING) | |
3996 | length = o->info.string; | |
e2500fed GK |
3997 | else if (strcmp (o->name, "deletable") == 0) |
3998 | deletable_p = 1; | |
3999 | else if (strcmp (o->name, "param_is") == 0) | |
4000 | ; | |
3d7aafde | 4001 | else if (strncmp (o->name, "param", 5) == 0 |
e1b793e7 | 4002 | && ISDIGIT (o->name[5]) && strcmp (o->name + 6, "_is") == 0) |
36a5eadd | 4003 | ; |
e2500fed GK |
4004 | else if (strcmp (o->name, "if_marked") == 0) |
4005 | ; | |
4006 | else | |
3d7aafde | 4007 | error_at_line (&v->line, |
e2500fed GK |
4008 | "global `%s' has unknown option `%s'", |
4009 | v->name, o->name); | |
4010 | ||
4011 | for (fli = flp; fli; fli = fli->next) | |
bd117bb6 | 4012 | if (fli->f == f && f) |
e2500fed GK |
4013 | break; |
4014 | if (fli == NULL) | |
4015 | { | |
5d038c4c | 4016 | fli = XNEW (struct flist); |
e2500fed GK |
4017 | fli->f = f; |
4018 | fli->next = flp; | |
4019 | fli->started_p = 0; | |
14c4815e BS |
4020 | fli->file = v->line.file; |
4021 | gcc_assert (fli->file); | |
e2500fed GK |
4022 | flp = fli; |
4023 | ||
e03856fe | 4024 | oprintf (f, "\n/* GC roots. */\n\n"); |
e2500fed GK |
4025 | } |
4026 | ||
e1b793e7 | 4027 | if (!deletable_p |
e2500fed GK |
4028 | && length |
4029 | && v->type->kind == TYPE_POINTER | |
4030 | && (v->type->u.p->kind == TYPE_POINTER | |
4031 | || v->type->u.p->kind == TYPE_STRUCT)) | |
4032 | { | |
17211ab5 GK |
4033 | write_array (f, v, &ggc_wtd); |
4034 | write_array (f, v, &pch_wtd); | |
e2500fed GK |
4035 | } |
4036 | } | |
4037 | ||
4038 | for (v = variables; v; v = v->next) | |
4039 | { | |
14c4815e BS |
4040 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4041 | v->line.file)); | |
e2500fed GK |
4042 | struct flist *fli; |
4043 | int skip_p = 0; | |
4044 | int length_p = 0; | |
4045 | options_p o; | |
3d7aafde | 4046 | |
e2500fed GK |
4047 | for (o = v->opt; o; o = o->next) |
4048 | if (strcmp (o->name, "length") == 0) | |
4049 | length_p = 1; | |
4050 | else if (strcmp (o->name, "deletable") == 0 | |
4051 | || strcmp (o->name, "if_marked") == 0) | |
4052 | skip_p = 1; | |
4053 | ||
4054 | if (skip_p) | |
4055 | continue; | |
4056 | ||
4057 | for (fli = flp; fli; fli = fli->next) | |
4058 | if (fli->f == f) | |
4059 | break; | |
e1b793e7 | 4060 | if (!fli->started_p) |
e2500fed GK |
4061 | { |
4062 | fli->started_p = 1; | |
4063 | ||
6bc7bc14 | 4064 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_r_"); |
e2500fed | 4065 | put_mangled_filename (f, v->line.file); |
e03856fe | 4066 | oprintf (f, "[] = {\n"); |
e2500fed GK |
4067 | } |
4068 | ||
99be7084 | 4069 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
e2500fed GK |
4070 | } |
4071 | ||
3d7aafde | 4072 | finish_root_table (flp, "ggc_r", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
4073 | "gt_ggc_rtab"); |
4074 | ||
4075 | for (v = variables; v; v = v->next) | |
4076 | { | |
14c4815e BS |
4077 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4078 | v->line.file)); | |
e2500fed GK |
4079 | struct flist *fli; |
4080 | int skip_p = 1; | |
4081 | options_p o; | |
4082 | ||
4083 | for (o = v->opt; o; o = o->next) | |
4084 | if (strcmp (o->name, "deletable") == 0) | |
4085 | skip_p = 0; | |
4086 | else if (strcmp (o->name, "if_marked") == 0) | |
4087 | skip_p = 1; | |
4088 | ||
4089 | if (skip_p) | |
4090 | continue; | |
4091 | ||
4092 | for (fli = flp; fli; fli = fli->next) | |
4093 | if (fli->f == f) | |
4094 | break; | |
e1b793e7 | 4095 | if (!fli->started_p) |
e2500fed GK |
4096 | { |
4097 | fli->started_p = 1; | |
4098 | ||
6bc7bc14 | 4099 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_ggc_rd_"); |
e2500fed | 4100 | put_mangled_filename (f, v->line.file); |
e03856fe | 4101 | oprintf (f, "[] = {\n"); |
e2500fed | 4102 | } |
3d7aafde | 4103 | |
17211ab5 | 4104 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
e2500fed GK |
4105 | v->name, v->name); |
4106 | } | |
3d7aafde | 4107 | |
17211ab5 | 4108 | finish_root_table (flp, "ggc_rd", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
e2500fed GK |
4109 | "gt_ggc_deletable_rtab"); |
4110 | ||
4111 | for (v = variables; v; v = v->next) | |
4112 | { | |
14c4815e BS |
4113 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4114 | v->line.file)); | |
e2500fed GK |
4115 | struct flist *fli; |
4116 | const char *if_marked = NULL; | |
4117 | int length_p = 0; | |
4118 | options_p o; | |
3d7aafde | 4119 | |
e2500fed GK |
4120 | for (o = v->opt; o; o = o->next) |
4121 | if (strcmp (o->name, "length") == 0) | |
4122 | length_p = 1; | |
412dc29d BS |
4123 | else if (strcmp (o->name, "if_marked") == 0 |
4124 | && o->kind == OPTION_STRING) | |
4125 | if_marked = o->info.string; | |
4126 | if (if_marked == NULL) | |
e2500fed | 4127 | continue; |
e2500fed GK |
4128 | if (v->type->kind != TYPE_POINTER |
4129 | || v->type->u.p->kind != TYPE_PARAM_STRUCT | |
4130 | || v->type->u.p->u.param_struct.stru != find_structure ("htab", 0)) | |
4131 | { | |
e1b793e7 BS |
4132 | error_at_line (&v->line, |
4133 | "if_marked option used but not hash table"); | |
e2500fed GK |
4134 | continue; |
4135 | } | |
4136 | ||
4137 | for (fli = flp; fli; fli = fli->next) | |
4138 | if (fli->f == f) | |
4139 | break; | |
e1b793e7 | 4140 | if (!fli->started_p) |
e2500fed GK |
4141 | { |
4142 | fli->started_p = 1; | |
4143 | ||
6bc7bc14 | 4144 | oprintf (f, "EXPORTED_CONST struct ggc_cache_tab gt_ggc_rc_"); |
e2500fed | 4145 | put_mangled_filename (f, v->line.file); |
e03856fe | 4146 | oprintf (f, "[] = {\n"); |
e2500fed | 4147 | } |
3d7aafde | 4148 | |
17211ab5 | 4149 | write_root (f, v, v->type->u.p->u.param_struct.param[0], |
99be7084 | 4150 | v->name, length_p, &v->line, if_marked, emit_pch); |
e2500fed | 4151 | } |
3d7aafde | 4152 | |
17211ab5 | 4153 | finish_root_table (flp, "ggc_rc", "LAST_GGC_CACHE_TAB", "ggc_cache_tab", |
e2500fed | 4154 | "gt_ggc_cache_rtab"); |
17211ab5 | 4155 | |
99be7084 BS |
4156 | if (!emit_pch) |
4157 | return; | |
4158 | ||
17211ab5 GK |
4159 | for (v = variables; v; v = v->next) |
4160 | { | |
14c4815e BS |
4161 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4162 | v->line.file)); | |
17211ab5 GK |
4163 | struct flist *fli; |
4164 | int length_p = 0; | |
4165 | int if_marked_p = 0; | |
4166 | options_p o; | |
3d7aafde | 4167 | |
17211ab5 GK |
4168 | for (o = v->opt; o; o = o->next) |
4169 | if (strcmp (o->name, "length") == 0) | |
4170 | length_p = 1; | |
4171 | else if (strcmp (o->name, "if_marked") == 0) | |
4172 | if_marked_p = 1; | |
4173 | ||
e1b793e7 | 4174 | if (!if_marked_p) |
17211ab5 GK |
4175 | continue; |
4176 | ||
4177 | for (fli = flp; fli; fli = fli->next) | |
4178 | if (fli->f == f) | |
4179 | break; | |
e1b793e7 | 4180 | if (!fli->started_p) |
17211ab5 GK |
4181 | { |
4182 | fli->started_p = 1; | |
4183 | ||
6bc7bc14 | 4184 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rc_"); |
17211ab5 GK |
4185 | put_mangled_filename (f, v->line.file); |
4186 | oprintf (f, "[] = {\n"); | |
4187 | } | |
4188 | ||
99be7084 | 4189 | write_root (f, v, v->type, v->name, length_p, &v->line, NULL, emit_pch); |
17211ab5 | 4190 | } |
3d7aafde | 4191 | |
17211ab5 GK |
4192 | finish_root_table (flp, "pch_rc", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
4193 | "gt_pch_cache_rtab"); | |
4194 | ||
4195 | for (v = variables; v; v = v->next) | |
4196 | { | |
14c4815e BS |
4197 | outf_p f = get_output_file_with_visibility (CONST_CAST (input_file*, |
4198 | v->line.file)); | |
17211ab5 GK |
4199 | struct flist *fli; |
4200 | int skip_p = 0; | |
4201 | options_p o; | |
4202 | ||
4203 | for (o = v->opt; o; o = o->next) | |
4204 | if (strcmp (o->name, "deletable") == 0 | |
4205 | || strcmp (o->name, "if_marked") == 0) | |
4206 | skip_p = 1; | |
4207 | ||
4208 | if (skip_p) | |
4209 | continue; | |
4210 | ||
e1b793e7 | 4211 | if (!contains_scalar_p (v->type)) |
17211ab5 GK |
4212 | continue; |
4213 | ||
4214 | for (fli = flp; fli; fli = fli->next) | |
4215 | if (fli->f == f) | |
4216 | break; | |
e1b793e7 | 4217 | if (!fli->started_p) |
17211ab5 GK |
4218 | { |
4219 | fli->started_p = 1; | |
4220 | ||
6bc7bc14 | 4221 | oprintf (f, "EXPORTED_CONST struct ggc_root_tab gt_pch_rs_"); |
17211ab5 GK |
4222 | put_mangled_filename (f, v->line.file); |
4223 | oprintf (f, "[] = {\n"); | |
4224 | } | |
3d7aafde | 4225 | |
17211ab5 GK |
4226 | oprintf (f, " { &%s, 1, sizeof (%s), NULL, NULL },\n", |
4227 | v->name, v->name); | |
4228 | } | |
3d7aafde | 4229 | |
17211ab5 GK |
4230 | finish_root_table (flp, "pch_rs", "LAST_GGC_ROOT_TAB", "ggc_root_tab", |
4231 | "gt_pch_scalar_rtab"); | |
e2500fed | 4232 | } |
fc64b448 AP |
4233 | /* Record the definition of the vec_prefix structure, as defined in vec.h: |
4234 | ||
4235 | struct vec_prefix GTY(()) { | |
4236 | unsigned num; | |
4237 | unsigned alloc; | |
4238 | }; */ | |
4239 | static type_p | |
4240 | vec_prefix_type (void) | |
4241 | { | |
4242 | static type_p prefix_type = NULL; | |
4243 | if (prefix_type == NULL) | |
4244 | { | |
4245 | pair_p fields; | |
4246 | static struct fileloc pos = { NULL, 0 }; | |
4247 | type_p len_ty = create_scalar_type ("unsigned"); | |
4248 | pos.file = input_file_by_name (__FILE__); pos.line = __LINE__; | |
4249 | fields = create_field_at (0, len_ty, "alloc", 0, &pos); | |
4250 | fields = create_field_at (fields, len_ty, "num", 0, &pos); | |
4251 | prefix_type = new_structure ("vec_prefix", 0, &pos, fields, 0); | |
4252 | prefix_type->u.s.bitmap = -1; | |
4253 | } | |
4254 | return prefix_type; | |
4255 | } | |
e2500fed | 4256 | |
4a399aef ZW |
4257 | /* Record the definition of a generic VEC structure, as if we had expanded |
4258 | the macros in vec.h: | |
4259 | ||
4260 | typedef struct VEC_<type>_base GTY(()) { | |
fc64b448 AP |
4261 | struct vec_prefix prefix; |
4262 | <type> GTY((length ("%h.prefix.num"))) vec[1]; | |
4a399aef ZW |
4263 | } VEC_<type>_base |
4264 | ||
4265 | where the GTY(()) tags are only present if is_scalar is _false_. */ | |
4266 | ||
4267 | void | |
8ad97cfc | 4268 | note_def_vec (const char *type_name, bool is_scalar, struct fileloc *pos) |
4a399aef | 4269 | { |
065ae611 | 4270 | pair_p fields; |
4a399aef ZW |
4271 | type_p t; |
4272 | options_p o; | |
e1b793e7 | 4273 | const char *name = concat ("VEC_", type_name, "_base", (char *) 0); |
4a399aef ZW |
4274 | |
4275 | if (is_scalar) | |
4276 | { | |
8ad97cfc | 4277 | t = create_scalar_type (type_name); |
4a399aef ZW |
4278 | o = 0; |
4279 | } | |
4280 | else | |
4281 | { | |
8ad97cfc | 4282 | t = resolve_typedef (type_name, pos); |
fc64b448 | 4283 | o = create_string_option (0, "length", "%h.prefix.num"); |
4a399aef | 4284 | } |
4a399aef | 4285 | /* We assemble the field list in reverse order. */ |
065ae611 | 4286 | fields = create_field_at (0, create_array (t, "1"), "vec", o, pos); |
fc64b448 | 4287 | fields = create_field_at (fields, vec_prefix_type (), "prefix", 0, pos); |
4a399aef ZW |
4288 | |
4289 | do_typedef (name, new_structure (name, 0, pos, fields, 0), pos); | |
4290 | } | |
4291 | ||
4292 | /* Record the definition of an allocation-specific VEC structure, as if | |
4293 | we had expanded the macros in vec.h: | |
4294 | ||
4295 | typedef struct VEC_<type>_<astrat> { | |
f8ed6dc5 | 4296 | VEC_<type>_base base; |
4a399aef ZW |
4297 | } VEC_<type>_<astrat>; |
4298 | */ | |
4299 | void | |
4300 | note_def_vec_alloc (const char *type, const char *astrat, struct fileloc *pos) | |
4301 | { | |
e1b793e7 BS |
4302 | const char *astratname = concat ("VEC_", type, "_", astrat, (char *) 0); |
4303 | const char *basename = concat ("VEC_", type, "_base", (char *) 0); | |
4a399aef | 4304 | |
065ae611 ZW |
4305 | pair_p field = create_field_at (0, resolve_typedef (basename, pos), |
4306 | "base", 0, pos); | |
4a399aef ZW |
4307 | |
4308 | do_typedef (astratname, new_structure (astratname, 0, pos, field, 0), pos); | |
4309 | } | |
4310 | ||
a9429e29 LB |
4311 | /* Returns the specifier keyword for a string or union type S, empty string |
4312 | otherwise. */ | |
4313 | ||
4314 | static const char * | |
4315 | get_type_specifier (const type_p s) | |
4316 | { | |
4317 | if (s->kind == TYPE_STRUCT || s->kind == TYPE_LANG_STRUCT) | |
4318 | return "struct "; | |
4319 | if (s->kind == TYPE_UNION) | |
4320 | return "union "; | |
4321 | return ""; | |
4322 | } | |
4323 | ||
4324 | /* TRUE if type S has the GTY variable_size annotation. */ | |
4325 | ||
4326 | static bool | |
4327 | variable_size_p (const type_p s) | |
4328 | { | |
4329 | options_p o; | |
4330 | for (o = s->u.s.opt; o; o = o->next) | |
4331 | if (strcmp (o->name, "variable_size") == 0) | |
4332 | return true; | |
4333 | return false; | |
4334 | } | |
4335 | ||
e1b793e7 BS |
4336 | enum alloc_quantity |
4337 | { single, vector }; | |
4338 | enum alloc_zone | |
4339 | { any_zone, specific_zone }; | |
a9429e29 | 4340 | |
ecbb6fb7 BS |
4341 | /* Writes one typed allocator definition into output F for type |
4342 | identifier TYPE_NAME with optional type specifier TYPE_SPECIFIER. | |
4343 | The allocator name will contain ALLOCATOR_TYPE. If VARIABLE_SIZE | |
4344 | is true, the allocator will have an extra parameter specifying | |
4345 | number of bytes to allocate. If QUANTITY is set to VECTOR, a | |
4346 | vector allocator will be output, if ZONE is set to SPECIFIC_ZONE, | |
a9429e29 LB |
4347 | the allocator will be zone-specific. */ |
4348 | ||
4349 | static void | |
ecbb6fb7 BS |
4350 | write_typed_alloc_def (outf_p f, |
4351 | bool variable_size, const char *type_specifier, | |
4352 | const char *type_name, const char *allocator_type, | |
4353 | enum alloc_quantity quantity, enum alloc_zone zone) | |
a9429e29 LB |
4354 | { |
4355 | bool two_args = variable_size && (quantity == vector); | |
4356 | bool third_arg = ((zone == specific_zone) | |
4357 | && (variable_size || (quantity == vector))); | |
ecbb6fb7 BS |
4358 | gcc_assert (f != NULL); |
4359 | oprintf (f, "#define ggc_alloc_%s%s", allocator_type, type_name); | |
4360 | oprintf (f, "(%s%s%s%s%s) ", | |
a9429e29 LB |
4361 | (variable_size ? "SIZE" : ""), |
4362 | (two_args ? ", " : ""), | |
4363 | (quantity == vector) ? "n" : "", | |
4364 | (third_arg ? ", " : ""), (zone == specific_zone) ? "z" : ""); | |
ecbb6fb7 BS |
4365 | oprintf (f, "((%s%s *)", type_specifier, type_name); |
4366 | oprintf (f, "(ggc_internal_%salloc_stat (", allocator_type); | |
a9429e29 | 4367 | if (zone == specific_zone) |
ecbb6fb7 | 4368 | oprintf (f, "z, "); |
a9429e29 | 4369 | if (variable_size) |
ecbb6fb7 | 4370 | oprintf (f, "SIZE"); |
a9429e29 | 4371 | else |
ecbb6fb7 | 4372 | oprintf (f, "sizeof (%s%s)", type_specifier, type_name); |
a9429e29 | 4373 | if (quantity == vector) |
ecbb6fb7 BS |
4374 | oprintf (f, ", n"); |
4375 | oprintf (f, " MEM_STAT_INFO)))\n"); | |
a9429e29 LB |
4376 | } |
4377 | ||
ecbb6fb7 BS |
4378 | /* Writes a typed allocator definition into output F for a struct or |
4379 | union S, with a given ALLOCATOR_TYPE and QUANTITY for ZONE. */ | |
a9429e29 LB |
4380 | |
4381 | static void | |
ecbb6fb7 BS |
4382 | write_typed_struct_alloc_def (outf_p f, |
4383 | const type_p s, const char *allocator_type, | |
a9429e29 LB |
4384 | enum alloc_quantity quantity, |
4385 | enum alloc_zone zone) | |
4386 | { | |
fbb20b29 | 4387 | gcc_assert (UNION_OR_STRUCT_P (s)); |
ecbb6fb7 BS |
4388 | write_typed_alloc_def (f, variable_size_p (s), get_type_specifier (s), |
4389 | s->u.s.tag, allocator_type, quantity, zone); | |
a9429e29 LB |
4390 | } |
4391 | ||
ecbb6fb7 BS |
4392 | /* Writes a typed allocator definition into output F for a typedef P, |
4393 | with a given ALLOCATOR_TYPE and QUANTITY for ZONE. */ | |
a9429e29 LB |
4394 | |
4395 | static void | |
ecbb6fb7 BS |
4396 | write_typed_typedef_alloc_def (outf_p f, |
4397 | const pair_p p, const char *allocator_type, | |
4398 | enum alloc_quantity quantity, | |
4399 | enum alloc_zone zone) | |
a9429e29 | 4400 | { |
ecbb6fb7 BS |
4401 | write_typed_alloc_def (f, variable_size_p (p->type), "", p->name, |
4402 | allocator_type, quantity, zone); | |
a9429e29 LB |
4403 | } |
4404 | ||
ecbb6fb7 BS |
4405 | /* Writes typed allocator definitions into output F for the types in |
4406 | STRUCTURES and TYPEDEFS that are used by GC. */ | |
a9429e29 LB |
4407 | |
4408 | static void | |
ecbb6fb7 BS |
4409 | write_typed_alloc_defns (outf_p f, |
4410 | const type_p structures, const pair_p typedefs) | |
a9429e29 LB |
4411 | { |
4412 | type_p s; | |
4413 | pair_p p; | |
4414 | ||
ecbb6fb7 BS |
4415 | gcc_assert (f != NULL); |
4416 | oprintf (f, | |
a9429e29 LB |
4417 | "\n/* Allocators for known structs and unions. */\n\n"); |
4418 | for (s = structures; s; s = s->next) | |
4419 | { | |
4420 | if (!USED_BY_TYPED_GC_P (s)) | |
4421 | continue; | |
fbb20b29 BS |
4422 | gcc_assert (UNION_OR_STRUCT_P (s)); |
4423 | /* In plugin mode onput output ggc_alloc macro definitions | |
4424 | relevant to plugin input files. */ | |
4425 | if (nb_plugin_files > 0 | |
4426 | && ((s->u.s.line.file == NULL) || !s->u.s.line.file->inpisplugin)) | |
4427 | continue; | |
ecbb6fb7 BS |
4428 | write_typed_struct_alloc_def (f, s, "", single, any_zone); |
4429 | write_typed_struct_alloc_def (f, s, "cleared_", single, any_zone); | |
4430 | write_typed_struct_alloc_def (f, s, "vec_", vector, any_zone); | |
4431 | write_typed_struct_alloc_def (f, s, "cleared_vec_", vector, any_zone); | |
4432 | write_typed_struct_alloc_def (f, s, "zone_", single, specific_zone); | |
4433 | write_typed_struct_alloc_def (f, s, "zone_cleared_", single, | |
a9429e29 | 4434 | specific_zone); |
ecbb6fb7 BS |
4435 | write_typed_struct_alloc_def (f, s, "zone_vec_", vector, specific_zone); |
4436 | write_typed_struct_alloc_def (f, s, "zone_cleared_vec_", vector, | |
a9429e29 LB |
4437 | specific_zone); |
4438 | } | |
4439 | ||
ecbb6fb7 | 4440 | oprintf (f, "\n/* Allocators for known typedefs. */\n"); |
a9429e29 LB |
4441 | for (p = typedefs; p; p = p->next) |
4442 | { | |
4443 | s = p->type; | |
4444 | if (!USED_BY_TYPED_GC_P (s) || (strcmp (p->name, s->u.s.tag) == 0)) | |
4445 | continue; | |
fbb20b29 BS |
4446 | /* In plugin mode onput output ggc_alloc macro definitions |
4447 | relevant to plugin input files. */ | |
4448 | if (nb_plugin_files > 0) | |
4449 | { | |
4450 | struct fileloc* filoc = type_fileloc(s); | |
4451 | if (!filoc || !filoc->file->inpisplugin) | |
4452 | continue; | |
4453 | }; | |
ecbb6fb7 BS |
4454 | write_typed_typedef_alloc_def (f, p, "", single, any_zone); |
4455 | write_typed_typedef_alloc_def (f, p, "cleared_", single, any_zone); | |
4456 | write_typed_typedef_alloc_def (f, p, "vec_", vector, any_zone); | |
4457 | write_typed_typedef_alloc_def (f, p, "cleared_vec_", vector, any_zone); | |
4458 | write_typed_typedef_alloc_def (f, p, "zone_", single, specific_zone); | |
4459 | write_typed_typedef_alloc_def (f, p, "zone_cleared_", single, | |
a9429e29 | 4460 | specific_zone); |
ecbb6fb7 | 4461 | write_typed_typedef_alloc_def (f, p, "zone_cleared_vec_", vector, |
a9429e29 LB |
4462 | specific_zone); |
4463 | } | |
4464 | } | |
4465 | ||
4466 | /* Prints not-as-ugly version of a typename of T to OF. Trades the uniquness | |
4467 | guaranteee for somewhat increased readability. If name conflicts do happen, | |
4468 | this funcion will have to be adjusted to be more like | |
4469 | output_mangled_typename. */ | |
4470 | ||
4471 | static void | |
4472 | output_typename (outf_p of, const_type_p t) | |
4473 | { | |
4474 | switch (t->kind) | |
4475 | { | |
4476 | case TYPE_STRING: | |
4477 | oprintf (of, "str"); | |
4478 | break; | |
4479 | case TYPE_SCALAR: | |
4480 | oprintf (of, "scalar"); | |
4481 | break; | |
4482 | case TYPE_POINTER: | |
4483 | output_typename (of, t->u.p); | |
4484 | break; | |
4485 | case TYPE_STRUCT: | |
4486 | case TYPE_UNION: | |
4487 | case TYPE_LANG_STRUCT: | |
4488 | oprintf (of, "%s", t->u.s.tag); | |
4489 | break; | |
4490 | case TYPE_PARAM_STRUCT: | |
4491 | { | |
4492 | int i; | |
4493 | for (i = 0; i < NUM_PARAM; i++) | |
e1b793e7 BS |
4494 | if (t->u.param_struct.param[i] != NULL) |
4495 | { | |
4496 | output_typename (of, t->u.param_struct.param[i]); | |
4497 | oprintf (of, "_"); | |
4498 | } | |
a9429e29 LB |
4499 | output_typename (of, t->u.param_struct.stru); |
4500 | break; | |
4501 | } | |
4502 | default: | |
e1b793e7 | 4503 | gcc_unreachable (); |
a9429e29 LB |
4504 | } |
4505 | } | |
4506 | ||
4507 | /* Writes a typed GC allocator for type S that is suitable as a callback for | |
4508 | the splay tree implementation in libiberty. */ | |
4509 | ||
4510 | static void | |
4511 | write_splay_tree_allocator_def (const_type_p s) | |
4512 | { | |
90aa3e91 | 4513 | outf_p of = get_output_file_with_visibility (NULL); |
a9429e29 LB |
4514 | oprintf (of, "void * ggc_alloc_splay_tree_"); |
4515 | output_typename (of, s); | |
4516 | oprintf (of, " (int sz, void * nl)\n"); | |
4517 | oprintf (of, "{\n"); | |
4518 | oprintf (of, " return ggc_splay_alloc ("); | |
4519 | oprintf (of, "gt_e_"); | |
4520 | output_mangled_typename (of, s); | |
4521 | oprintf (of, ", sz, nl);\n"); | |
4522 | oprintf (of, "}\n\n"); | |
4523 | } | |
4524 | ||
4525 | /* Writes typed GC allocators for PARAM_STRUCTS that are suitable as callbacks | |
4526 | for the splay tree implementation in libiberty. */ | |
4527 | ||
4528 | static void | |
4529 | write_splay_tree_allocators (const_type_p param_structs) | |
4530 | { | |
4531 | const_type_p s; | |
4532 | ||
4533 | oprintf (header_file, "\n/* Splay tree callback allocators. */\n"); | |
4534 | for (s = param_structs; s; s = s->next) | |
4535 | if (s->gc_used == GC_POINTED_TO) | |
4536 | { | |
4537 | oprintf (header_file, "extern void * ggc_alloc_splay_tree_"); | |
4538 | output_typename (header_file, s); | |
4539 | oprintf (header_file, " (int, void *);\n"); | |
4540 | write_splay_tree_allocator_def (s); | |
4541 | } | |
4542 | } | |
4543 | ||
0277fabf LB |
4544 | static void dump_pair (int indent, pair_p p); |
4545 | static void dump_type (int indent, type_p p); | |
4546 | static void dump_type_list (int indent, type_p p); | |
4547 | ||
4548 | #define INDENT 2 | |
4549 | ||
4550 | /* Dumps the value of typekind KIND. */ | |
4551 | ||
4552 | static void | |
4553 | dump_typekind (int indent, enum typekind kind) | |
4554 | { | |
4555 | printf ("%*ckind = ", indent, ' '); | |
4556 | switch (kind) | |
4557 | { | |
e1b793e7 BS |
4558 | case TYPE_SCALAR: |
4559 | printf ("TYPE_SCALAR"); | |
4560 | break; | |
4561 | case TYPE_STRING: | |
4562 | printf ("TYPE_STRING"); | |
4563 | break; | |
4564 | case TYPE_STRUCT: | |
4565 | printf ("TYPE_STRUCT"); | |
4566 | break; | |
4567 | case TYPE_UNION: | |
4568 | printf ("TYPE_UNION"); | |
4569 | break; | |
4570 | case TYPE_POINTER: | |
4571 | printf ("TYPE_POINTER"); | |
4572 | break; | |
4573 | case TYPE_ARRAY: | |
4574 | printf ("TYPE_ARRAY"); | |
4575 | break; | |
4576 | case TYPE_LANG_STRUCT: | |
4577 | printf ("TYPE_LANG_STRUCT"); | |
4578 | break; | |
4579 | case TYPE_PARAM_STRUCT: | |
4580 | printf ("TYPE_PARAM_STRUCT"); | |
4581 | break; | |
4582 | default: | |
4583 | gcc_unreachable (); | |
0277fabf LB |
4584 | } |
4585 | printf ("\n"); | |
4586 | } | |
4587 | ||
4588 | /* Dumps the value of GC_USED flag. */ | |
4589 | ||
4590 | static void | |
4591 | dump_gc_used (int indent, enum gc_used_enum gc_used) | |
4592 | { | |
4593 | printf ("%*cgc_used = ", indent, ' '); | |
4594 | switch (gc_used) | |
4595 | { | |
e1b793e7 BS |
4596 | case GC_UNUSED: |
4597 | printf ("GC_UNUSED"); | |
4598 | break; | |
4599 | case GC_USED: | |
4600 | printf ("GC_USED"); | |
4601 | break; | |
4602 | case GC_MAYBE_POINTED_TO: | |
4603 | printf ("GC_MAYBE_POINTED_TO"); | |
4604 | break; | |
4605 | case GC_POINTED_TO: | |
4606 | printf ("GC_POINTED_TO"); | |
4607 | break; | |
4608 | default: | |
4609 | gcc_unreachable (); | |
0277fabf LB |
4610 | } |
4611 | printf ("\n"); | |
4612 | } | |
4613 | ||
4614 | /* Dumps the type options OPT. */ | |
4615 | ||
4616 | static void | |
4617 | dump_options (int indent, options_p opt) | |
4618 | { | |
4619 | options_p o; | |
4620 | printf ("%*coptions = ", indent, ' '); | |
4621 | o = opt; | |
4622 | while (o) | |
4623 | { | |
412dc29d BS |
4624 | switch (o->kind) |
4625 | { | |
4626 | case OPTION_STRING: | |
4627 | printf ("%s:string %s ", o->name, o->info.string); | |
4628 | break; | |
4629 | case OPTION_TYPE: | |
4630 | printf ("%s:type ", o->name); | |
4631 | dump_type (indent+1, o->info.type); | |
4632 | break; | |
4633 | case OPTION_NESTED: | |
4634 | printf ("%s:nested ", o->name); | |
4635 | break; | |
4636 | case OPTION_NONE: | |
4637 | gcc_unreachable (); | |
4638 | } | |
e1b793e7 | 4639 | o = o->next; |
0277fabf LB |
4640 | } |
4641 | printf ("\n"); | |
4642 | } | |
4643 | ||
4644 | /* Dumps the source file location in LINE. */ | |
4645 | ||
4646 | static void | |
4647 | dump_fileloc (int indent, struct fileloc line) | |
4648 | { | |
14c4815e BS |
4649 | printf ("%*cfileloc: file = %s, line = %d\n", indent, ' ', |
4650 | get_input_file_name (line.file), | |
0277fabf LB |
4651 | line.line); |
4652 | } | |
4653 | ||
4654 | /* Recursively dumps the struct, union, or a language-specific | |
4655 | struct T. */ | |
4656 | ||
4657 | static void | |
4658 | dump_type_u_s (int indent, type_p t) | |
4659 | { | |
4660 | pair_p fields; | |
4661 | ||
4662 | gcc_assert (t->kind == TYPE_STRUCT || t->kind == TYPE_UNION | |
4663 | || t->kind == TYPE_LANG_STRUCT); | |
4664 | printf ("%*cu.s.tag = %s\n", indent, ' ', t->u.s.tag); | |
4665 | dump_fileloc (indent, t->u.s.line); | |
4666 | printf ("%*cu.s.fields =\n", indent, ' '); | |
4667 | fields = t->u.s.fields; | |
4668 | while (fields) | |
4669 | { | |
e1b793e7 BS |
4670 | dump_pair (indent + INDENT, fields); |
4671 | fields = fields->next; | |
0277fabf LB |
4672 | } |
4673 | printf ("%*cend of fields of type %p\n", indent, ' ', (void *) t); | |
4674 | dump_options (indent, t->u.s.opt); | |
4675 | printf ("%*cu.s.bitmap = %X\n", indent, ' ', t->u.s.bitmap); | |
4676 | if (t->kind == TYPE_LANG_STRUCT) | |
4677 | { | |
4678 | printf ("%*cu.s.lang_struct:\n", indent, ' '); | |
4679 | dump_type_list (indent + INDENT, t->u.s.lang_struct); | |
4680 | } | |
4681 | } | |
4682 | ||
4683 | /* Recursively dumps the array T. */ | |
4684 | ||
4685 | static void | |
4686 | dump_type_u_a (int indent, type_p t) | |
4687 | { | |
4688 | gcc_assert (t->kind == TYPE_ARRAY); | |
4689 | printf ("%*clen = %s, u.a.p:\n", indent, ' ', t->u.a.len); | |
4690 | dump_type_list (indent + INDENT, t->u.a.p); | |
4691 | } | |
4692 | ||
4693 | /* Recursively dumps the parameterized struct T. */ | |
4694 | ||
4695 | static void | |
4696 | dump_type_u_param_struct (int indent, type_p t) | |
4697 | { | |
4698 | int i; | |
4699 | gcc_assert (t->kind == TYPE_PARAM_STRUCT); | |
4700 | printf ("%*cu.param_struct.stru:\n", indent, ' '); | |
4701 | dump_type_list (indent, t->u.param_struct.stru); | |
4702 | dump_fileloc (indent, t->u.param_struct.line); | |
4703 | for (i = 0; i < NUM_PARAM; i++) | |
4704 | { | |
4705 | if (t->u.param_struct.param[i] == NULL) | |
4706 | continue; | |
4707 | printf ("%*cu.param_struct.param[%d]:\n", indent, ' ', i); | |
4708 | dump_type (indent + INDENT, t->u.param_struct.param[i]); | |
4709 | } | |
4710 | } | |
4711 | ||
4712 | /* Recursively dumps the type list T. */ | |
4713 | ||
4714 | static void | |
4715 | dump_type_list (int indent, type_p t) | |
4716 | { | |
4717 | type_p p = t; | |
4718 | while (p) | |
4719 | { | |
4720 | dump_type (indent, p); | |
4721 | p = p->next; | |
4722 | } | |
4723 | } | |
4724 | ||
4725 | static htab_t seen_types; | |
4726 | ||
4727 | /* Recursively dumps the type T if it was not dumped previously. */ | |
4728 | ||
4729 | static void | |
4730 | dump_type (int indent, type_p t) | |
4731 | { | |
4732 | PTR *slot; | |
4733 | ||
e1b793e7 | 4734 | printf ("%*cType at %p: ", indent, ' ', (void *) t); |
0277fabf LB |
4735 | slot = htab_find_slot (seen_types, t, INSERT); |
4736 | if (*slot != NULL) | |
4737 | { | |
4738 | printf ("already seen.\n"); | |
4739 | return; | |
4740 | } | |
4741 | *slot = t; | |
4742 | printf ("\n"); | |
4743 | ||
4744 | dump_typekind (indent, t->kind); | |
4745 | printf ("%*cpointer_to = %p\n", indent + INDENT, ' ', | |
e1b793e7 | 4746 | (void *) t->pointer_to); |
0277fabf LB |
4747 | dump_gc_used (indent + INDENT, t->gc_used); |
4748 | switch (t->kind) | |
4749 | { | |
4750 | case TYPE_SCALAR: | |
4751 | printf ("%*cscalar_is_char = %s\n", indent + INDENT, ' ', | |
4752 | t->u.scalar_is_char ? "true" : "false"); | |
4753 | break; | |
4754 | case TYPE_STRING: | |
4755 | break; | |
4756 | case TYPE_STRUCT: | |
4757 | case TYPE_UNION: | |
4758 | case TYPE_LANG_STRUCT: | |
4759 | dump_type_u_s (indent + INDENT, t); | |
4760 | break; | |
4761 | case TYPE_POINTER: | |
4762 | printf ("%*cp:\n", indent + INDENT, ' '); | |
4763 | dump_type (indent + INDENT, t->u.p); | |
4764 | break; | |
4765 | case TYPE_ARRAY: | |
4766 | dump_type_u_a (indent + INDENT, t); | |
4767 | break; | |
4768 | case TYPE_PARAM_STRUCT: | |
4769 | dump_type_u_param_struct (indent + INDENT, t); | |
4770 | break; | |
4771 | default: | |
4772 | gcc_unreachable (); | |
4773 | } | |
e1b793e7 | 4774 | printf ("%*cEnd of type at %p\n", indent, ' ', (void *) t); |
0277fabf LB |
4775 | } |
4776 | ||
4777 | /* Dumps the pair P. */ | |
4778 | ||
4779 | static void | |
4780 | dump_pair (int indent, pair_p p) | |
4781 | { | |
4782 | printf ("%*cpair: name = %s\n", indent, ' ', p->name); | |
4783 | dump_type (indent, p->type); | |
4784 | dump_fileloc (indent, p->line); | |
4785 | dump_options (indent, p->opt); | |
4786 | printf ("%*cEnd of pair %s\n", indent, ' ', p->name); | |
4787 | } | |
4788 | ||
4789 | /* Dumps the list of pairs PP. */ | |
4790 | ||
4791 | static void | |
e1b793e7 | 4792 | dump_pair_list (const char *name, pair_p pp) |
0277fabf LB |
4793 | { |
4794 | pair_p p; | |
4795 | printf ("%s:\n", name); | |
4796 | for (p = pp; p != NULL; p = p->next) | |
4797 | dump_pair (0, p); | |
4798 | printf ("End of %s\n\n", name); | |
4799 | } | |
4800 | ||
4801 | /* Dumps the STRUCTURES. */ | |
4802 | ||
4803 | static void | |
e1b793e7 | 4804 | dump_structures (const char *name, type_p structures) |
0277fabf LB |
4805 | { |
4806 | printf ("%s:\n", name); | |
4807 | dump_type_list (0, structures); | |
4808 | printf ("End of %s\n\n", name); | |
4809 | } | |
4810 | ||
92724e1d BS |
4811 | /* Dumps the internal structures of gengtype. This is useful to debug |
4812 | gengtype itself, or to understand what it does, e.g. for plugin | |
4813 | developers. */ | |
0277fabf LB |
4814 | |
4815 | static void | |
4816 | dump_everything (void) | |
4817 | { | |
4818 | seen_types = htab_create (100, htab_hash_pointer, htab_eq_pointer, NULL); | |
4819 | dump_pair_list ("typedefs", typedefs); | |
4820 | dump_structures ("structures", structures); | |
4821 | dump_structures ("param_structs", param_structs); | |
4822 | dump_pair_list ("variables", variables); | |
4823 | htab_delete (seen_types); | |
4824 | } | |
e2500fed | 4825 | \f |
e1b793e7 | 4826 | |
f8ed6dc5 JS |
4827 | |
4828 | /* Option specification for getopt_long. */ | |
4829 | static const struct option gengtype_long_options[] = { | |
4830 | {"help", no_argument, NULL, 'h'}, | |
4831 | {"version", no_argument, NULL, 'V'}, | |
1d32bbcd | 4832 | {"verbose", no_argument, NULL, 'v'}, |
f8ed6dc5 JS |
4833 | {"dump", no_argument, NULL, 'd'}, |
4834 | {"debug", no_argument, NULL, 'D'}, | |
4835 | {"plugin", required_argument, NULL, 'P'}, | |
4836 | {"srcdir", required_argument, NULL, 'S'}, | |
1d32bbcd | 4837 | {"backupdir", required_argument, NULL, 'B'}, |
f8ed6dc5 JS |
4838 | {"inputs", required_argument, NULL, 'I'}, |
4839 | {"read-state", required_argument, NULL, 'r'}, | |
4840 | {"write-state", required_argument, NULL, 'w'}, | |
4841 | /* Terminating NULL placeholder. */ | |
4842 | {NULL, no_argument, NULL, 0}, | |
4843 | }; | |
4844 | ||
4845 | ||
4846 | static void | |
4847 | print_usage (void) | |
4848 | { | |
4849 | printf ("Usage: %s\n", progname); | |
4850 | printf ("\t -h | --help " " \t# Give this help.\n"); | |
4851 | printf ("\t -D | --debug " | |
4852 | " \t# Give debug output to debug %s itself.\n", progname); | |
4853 | printf ("\t -V | --version " " \t# Give version information.\n"); | |
1d32bbcd | 4854 | printf ("\t -v | --verbose \t# Increase verbosity. Can be given several times.\n"); |
f8ed6dc5 JS |
4855 | printf ("\t -d | --dump " " \t# Dump state for debugging.\n"); |
4856 | printf ("\t -P | --plugin <output-file> <plugin-src> ... " | |
4857 | " \t# Generate for plugin.\n"); | |
4858 | printf ("\t -S | --srcdir <GCC-directory> " | |
4859 | " \t# Specify the GCC source directory.\n"); | |
1d32bbcd BS |
4860 | printf ("\t -B | --backupdir <directory> " |
4861 | " \t# Specify the backup directory for updated files.\n"); | |
f8ed6dc5 JS |
4862 | printf ("\t -I | --inputs <input-list> " |
4863 | " \t# Specify the file with source files list.\n"); | |
4864 | printf ("\t -w | --write-state <state-file> " " \t# Write a state file.\n"); | |
4865 | printf ("\t -r | --read-state <state-file> " " \t# Read a state file.\n"); | |
4866 | } | |
4867 | ||
4868 | static void | |
4869 | print_version (void) | |
4870 | { | |
4871 | printf ("%s %s%s\n", progname, pkgversion_string, version_string); | |
4872 | printf ("Report bugs: %s\n", bug_report_url); | |
4873 | } | |
4874 | ||
4875 | /* Parse the program options using getopt_long... */ | |
4876 | static void | |
4877 | parse_program_options (int argc, char **argv) | |
4878 | { | |
4879 | int opt = -1; | |
1d32bbcd | 4880 | while ((opt = getopt_long (argc, argv, "hVvdP:S:B:I:w:r:D", |
f8ed6dc5 JS |
4881 | gengtype_long_options, NULL)) >= 0) |
4882 | { | |
4883 | switch (opt) | |
4884 | { | |
4885 | case 'h': /* --help */ | |
4886 | print_usage (); | |
4887 | break; | |
4888 | case 'V': /* --version */ | |
4889 | print_version (); | |
4890 | break; | |
4891 | case 'd': /* --dump */ | |
4892 | do_dump = 1; | |
4893 | break; | |
4894 | case 'D': /* --debug */ | |
4895 | do_debug = 1; | |
4896 | break; | |
1d32bbcd BS |
4897 | case 'v': /* --verbose */ |
4898 | verbosity_level++; | |
4899 | break; | |
f8ed6dc5 JS |
4900 | case 'P': /* --plugin */ |
4901 | if (optarg) | |
4902 | plugin_output_filename = optarg; | |
4903 | else | |
4904 | fatal ("missing plugin output file name"); | |
4905 | break; | |
4906 | case 'S': /* --srcdir */ | |
4907 | if (optarg) | |
4908 | srcdir = optarg; | |
4909 | else | |
4910 | fatal ("missing source directory"); | |
4911 | srcdir_len = strlen (srcdir); | |
4912 | break; | |
1d32bbcd BS |
4913 | case 'B': /* --backupdir */ |
4914 | if (optarg) | |
4915 | backup_dir = optarg; | |
4916 | else | |
4917 | fatal ("missing backup directory"); | |
4918 | break; | |
f8ed6dc5 JS |
4919 | case 'I': /* --inputs */ |
4920 | if (optarg) | |
4921 | inputlist = optarg; | |
4922 | else | |
4923 | fatal ("missing input list"); | |
4924 | break; | |
4925 | case 'r': /* --read-state */ | |
4926 | if (optarg) | |
4927 | read_state_filename = optarg; | |
4928 | else | |
4929 | fatal ("missing read state file"); | |
4930 | DBGPRINTF ("read state %s\n", optarg); | |
4931 | break; | |
4932 | case 'w': /* --write-state */ | |
4933 | DBGPRINTF ("write state %s\n", optarg); | |
4934 | if (optarg) | |
4935 | write_state_filename = optarg; | |
4936 | else | |
4937 | fatal ("missing write state file"); | |
4938 | break; | |
4939 | default: | |
4940 | fprintf (stderr, "%s: unknown flag '%c'\n", progname, opt); | |
4941 | print_usage (); | |
4942 | fatal ("unexpected flag"); | |
4943 | } | |
4944 | }; | |
4945 | if (plugin_output_filename) | |
4946 | { | |
4947 | /* In plugin mode we require some input files. */ | |
4948 | int i = 0; | |
4949 | if (optind >= argc) | |
4950 | fatal ("no source files given in plugin mode"); | |
4951 | nb_plugin_files = argc - optind; | |
14c4815e | 4952 | plugin_files = XNEWVEC (input_file*, nb_plugin_files); |
f8ed6dc5 JS |
4953 | for (i = 0; i < (int) nb_plugin_files; i++) |
4954 | { | |
4955 | char *name = argv[i + optind]; | |
14c4815e | 4956 | plugin_files[i] = input_file_by_name (name); |
f8ed6dc5 JS |
4957 | } |
4958 | } | |
4959 | } | |
4960 | ||
4961 | ||
14c4815e BS |
4962 | \f |
4963 | /******* Manage input files. ******/ | |
4964 | ||
4965 | /* Hash table of unique input file names. */ | |
4966 | static htab_t input_file_htab; | |
4967 | ||
4968 | /* Find or allocate a new input_file by hash-consing it. */ | |
4969 | input_file* | |
4970 | input_file_by_name (const char* name) | |
4971 | { | |
4972 | PTR* slot; | |
4973 | input_file* f = NULL; | |
4974 | int namlen = 0; | |
4975 | if (!name) | |
4976 | return NULL; | |
4977 | namlen = strlen (name); | |
4978 | f = XCNEWVAR (input_file, sizeof (input_file)+namlen+2); | |
4979 | f->inpbitmap = 0; | |
4980 | f->inpoutf = NULL; | |
fbb20b29 | 4981 | f->inpisplugin = false; |
14c4815e BS |
4982 | strcpy (f->inpname, name); |
4983 | slot = htab_find_slot (input_file_htab, f, INSERT); | |
4984 | gcc_assert (slot != NULL); | |
4985 | if (*slot) | |
4986 | { | |
4987 | /* Already known input file. */ | |
4988 | free (f); | |
4989 | return (input_file*)(*slot); | |
4990 | } | |
4991 | /* New input file. */ | |
4992 | *slot = f; | |
4993 | return f; | |
4994 | } | |
4995 | ||
4996 | /* Hash table support routines for input_file-s. */ | |
4997 | static hashval_t | |
4998 | htab_hash_inputfile (const void *p) | |
4999 | { | |
5000 | const input_file *inpf = (const input_file *) p; | |
5001 | gcc_assert (inpf); | |
5002 | return htab_hash_string (get_input_file_name (inpf)); | |
5003 | } | |
5004 | ||
5005 | static int | |
5006 | htab_eq_inputfile (const void *x, const void *y) | |
5007 | { | |
5008 | const input_file *inpfx = (const input_file *) x; | |
5009 | const input_file *inpfy = (const input_file *) y; | |
5010 | gcc_assert (inpfx != NULL && inpfy != NULL); | |
ba78087b | 5011 | return !filename_cmp (get_input_file_name (inpfx), get_input_file_name (inpfy)); |
14c4815e BS |
5012 | } |
5013 | ||
5014 | ||
3d7aafde | 5015 | int |
11a67599 | 5016 | main (int argc, char **argv) |
e2500fed | 5017 | { |
11a67599 | 5018 | size_t i; |
f8ed6dc5 | 5019 | static struct fileloc pos = { NULL, 0 }; |
9b39cba9 | 5020 | outf_p output_header; |
11a67599 | 5021 | |
f8ed6dc5 JS |
5022 | /* Mandatory common initializations. */ |
5023 | progname = "gengtype"; /* For fatal and messages. */ | |
14c4815e BS |
5024 | /* Create the hash-table used to hash-cons input files. */ |
5025 | input_file_htab = | |
5026 | htab_create (800, htab_hash_inputfile, htab_eq_inputfile, NULL); | |
5027 | /* Initialize our special input files. */ | |
5028 | this_file = input_file_by_name (__FILE__); | |
5029 | system_h_file = input_file_by_name ("system.h"); | |
f8ed6dc5 JS |
5030 | /* Set the scalar_is_char union number for predefined scalar types. */ |
5031 | scalar_nonchar.u.scalar_is_char = FALSE; | |
5032 | scalar_char.u.scalar_is_char = TRUE; | |
5033 | ||
5034 | parse_program_options (argc, argv); | |
5035 | ||
5036 | #if ENABLE_CHECKING | |
5037 | if (do_debug) | |
0277fabf | 5038 | { |
f8ed6dc5 JS |
5039 | time_t now = (time_t) 0; |
5040 | time (&now); | |
5041 | DBGPRINTF ("gengtype started pid %d at %s", | |
5042 | (int) getpid (), ctime (&now)); | |
0277fabf | 5043 | } |
f8ed6dc5 | 5044 | #endif /* ENABLE_CHECKING */ |
0277fabf | 5045 | |
f8ed6dc5 JS |
5046 | /* Parse the input list and the input files. */ |
5047 | DBGPRINTF ("inputlist %s", inputlist); | |
5048 | if (read_state_filename) | |
bd117bb6 | 5049 | { |
92724e1d BS |
5050 | if (inputlist) |
5051 | fatal ("input list %s cannot be given with a read state file %s", | |
5052 | inputlist, read_state_filename); | |
5053 | read_state (read_state_filename); | |
5054 | DBGPRINT_COUNT_TYPE ("structures after read_state", structures); | |
5055 | DBGPRINT_COUNT_TYPE ("param_structs after read_state", param_structs); | |
bd117bb6 | 5056 | } |
f8ed6dc5 | 5057 | else if (inputlist) |
bd117bb6 | 5058 | { |
f8ed6dc5 JS |
5059 | /* These types are set up with #define or else outside of where |
5060 | we can see them. We should initialize them before calling | |
5061 | read_input_list. */ | |
b1d2d6b1 BS |
5062 | #define POS_HERE(Call) do { pos.file = this_file; pos.line = __LINE__; \ |
5063 | Call;} while(0) | |
5064 | POS_HERE (do_scalar_typedef ("CUMULATIVE_ARGS", &pos)); | |
5065 | POS_HERE (do_scalar_typedef ("REAL_VALUE_TYPE", &pos)); | |
5066 | POS_HERE (do_scalar_typedef ("FIXED_VALUE_TYPE", &pos)); | |
5067 | POS_HERE (do_scalar_typedef ("double_int", &pos)); | |
5068 | POS_HERE (do_scalar_typedef ("uint64_t", &pos)); | |
5069 | POS_HERE (do_scalar_typedef ("uint8", &pos)); | |
5973ae1a | 5070 | POS_HERE (do_scalar_typedef ("uintptr_t", &pos)); |
b1d2d6b1 BS |
5071 | POS_HERE (do_scalar_typedef ("jword", &pos)); |
5072 | POS_HERE (do_scalar_typedef ("JCF_u2", &pos)); | |
5073 | POS_HERE (do_scalar_typedef ("void", &pos)); | |
5074 | POS_HERE (do_typedef ("PTR", | |
5075 | create_pointer (resolve_typedef ("void", &pos)), | |
5076 | &pos)); | |
5077 | #undef POS_HERE | |
f8ed6dc5 JS |
5078 | read_input_list (inputlist); |
5079 | for (i = 0; i < num_gt_files; i++) | |
5080 | { | |
14c4815e BS |
5081 | parse_file (get_input_file_name (gt_files[i])); |
5082 | DBGPRINTF ("parsed file #%d %s", | |
5083 | (int) i, get_input_file_name (gt_files[i])); | |
f8ed6dc5 | 5084 | } |
1d32bbcd | 5085 | if (verbosity_level >= 1) |
92724e1d BS |
5086 | printf ("%s parsed %d files with %d GTY types\n", |
5087 | progname, (int) num_gt_files, type_count); | |
1d32bbcd | 5088 | |
f8ed6dc5 JS |
5089 | DBGPRINT_COUNT_TYPE ("structures after parsing", structures); |
5090 | DBGPRINT_COUNT_TYPE ("param_structs after parsing", param_structs); | |
5091 | ||
b8698a0f | 5092 | } |
bd117bb6 | 5093 | else |
f8ed6dc5 | 5094 | fatal ("either an input list or a read state file should be given"); |
11a67599 ZW |
5095 | if (hit_error) |
5096 | return 1; | |
5097 | ||
95161faf | 5098 | |
f8ed6dc5 JS |
5099 | if (plugin_output_filename) |
5100 | { | |
5101 | size_t ix = 0; | |
5102 | /* In plugin mode, we should have read a state file, and have | |
14c4815e | 5103 | given at least one plugin file. */ |
f8ed6dc5 JS |
5104 | if (!read_state_filename) |
5105 | fatal ("No read state given in plugin mode for %s", | |
5106 | plugin_output_filename); | |
5107 | ||
dad22268 | 5108 | if (nb_plugin_files == 0 || !plugin_files) |
f8ed6dc5 JS |
5109 | fatal ("No plugin files given in plugin mode for %s", |
5110 | plugin_output_filename); | |
5111 | ||
92724e1d | 5112 | /* Parse our plugin files and augment the state. */ |
f8ed6dc5 | 5113 | for (ix = 0; ix < nb_plugin_files; ix++) |
fbb20b29 BS |
5114 | { |
5115 | input_file* pluginput = plugin_files [ix]; | |
5116 | pluginput->inpisplugin = true; | |
5117 | parse_file (get_input_file_name (pluginput)); | |
5118 | } | |
f8ed6dc5 JS |
5119 | if (hit_error) |
5120 | return 1; | |
e2500fed | 5121 | |
f8ed6dc5 JS |
5122 | plugin_output = create_file ("GCC", plugin_output_filename); |
5123 | DBGPRINTF ("created plugin_output %p named %s", | |
5124 | (void *) plugin_output, plugin_output->name); | |
5125 | } | |
5126 | else | |
5127 | { /* No plugin files, we are in normal mode. */ | |
5128 | if (!srcdir) | |
5129 | fatal ("gengtype needs a source directory in normal mode"); | |
5130 | } | |
01d419ae | 5131 | if (hit_error) |
065ae611 | 5132 | return 1; |
e2500fed | 5133 | |
f8ed6dc5 JS |
5134 | gen_rtx_next (); |
5135 | ||
5136 | /* The call to set_gc_used may indirectly call find_param_structure | |
5137 | hence enlarge the param_structs list of types. */ | |
e2500fed GK |
5138 | set_gc_used (variables); |
5139 | ||
92724e1d BS |
5140 | /* The state at this point is read from the state input file or by |
5141 | parsing source files and optionally augmented by parsing plugin | |
5142 | source files. Write it now. */ | |
f8ed6dc5 JS |
5143 | if (write_state_filename) |
5144 | { | |
92724e1d BS |
5145 | DBGPRINT_COUNT_TYPE ("structures before write_state", structures); |
5146 | DBGPRINT_COUNT_TYPE ("param_structs before write_state", param_structs); | |
5147 | ||
5148 | if (hit_error) | |
5149 | fatal ("didn't write state file %s after errors", | |
5150 | write_state_filename); | |
5151 | ||
5152 | DBGPRINTF ("before write_state %s", write_state_filename); | |
5153 | write_state (write_state_filename); | |
5154 | ||
5155 | if (do_dump) | |
5156 | dump_everything (); | |
5157 | ||
5158 | /* After having written the state file we return immediately to | |
5159 | avoid generating any output file. */ | |
5160 | if (hit_error) | |
5161 | return 1; | |
5162 | else | |
5163 | return 0; | |
f8ed6dc5 JS |
5164 | } |
5165 | ||
5166 | ||
e2500fed | 5167 | open_base_files (); |
f8ed6dc5 | 5168 | |
36a5eadd | 5169 | write_enum_defn (structures, param_structs); |
9b39cba9 | 5170 | output_header = plugin_output ? plugin_output : header_file; |
ecbb6fb7 | 5171 | write_typed_alloc_defns (output_header, structures, typedefs); |
f8ed6dc5 JS |
5172 | DBGPRINT_COUNT_TYPE ("structures before write_types outputheader", |
5173 | structures); | |
5174 | DBGPRINT_COUNT_TYPE ("param_structs before write_types outputheader", | |
5175 | param_structs); | |
5176 | ||
9b39cba9 | 5177 | write_types (output_header, structures, param_structs, &ggc_wtd); |
ea2ca633 | 5178 | if (plugin_files == NULL) |
99be7084 | 5179 | { |
f8ed6dc5 JS |
5180 | DBGPRINT_COUNT_TYPE ("structures before write_types headerfil", |
5181 | structures); | |
5182 | DBGPRINT_COUNT_TYPE ("param_structs before write_types headerfil", | |
5183 | param_structs); | |
99be7084 BS |
5184 | write_types (header_file, structures, param_structs, &pch_wtd); |
5185 | write_local (header_file, structures, param_structs); | |
5186 | } | |
a9429e29 | 5187 | write_splay_tree_allocators (param_structs); |
ea2ca633 | 5188 | write_roots (variables, plugin_files == NULL); |
36a5eadd | 5189 | write_rtx_next (); |
e2500fed GK |
5190 | close_output_files (); |
5191 | ||
0277fabf LB |
5192 | if (do_dump) |
5193 | dump_everything (); | |
5194 | ||
f8ed6dc5 | 5195 | /* Don't bother about free-ing any input or plugin file, etc. */ |
9f78bf05 | 5196 | |
01d419ae ZW |
5197 | if (hit_error) |
5198 | return 1; | |
5199 | return 0; | |
e2500fed | 5200 | } |