]>
Commit | Line | Data |
---|---|---|
1 | /* The library used by gdb. | |
2 | Copyright (C) 2014-2018 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 3, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GCC; see the file COPYING3. If not see | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include <cc1plugin-config.h> | |
21 | #include <vector> | |
22 | #include <string> | |
23 | #include <sys/socket.h> | |
24 | #include <sys/types.h> | |
25 | #include <unistd.h> | |
26 | #include <sys/wait.h> | |
27 | #include <stdio.h> | |
28 | #include <errno.h> | |
29 | #include <sys/stat.h> | |
30 | #include <stdlib.h> | |
31 | #include <sstream> | |
32 | #include "marshall-cp.hh" | |
33 | #include "rpc.hh" | |
34 | #include "connection.hh" | |
35 | #include "names.hh" | |
36 | #include "callbacks.hh" | |
37 | #include "libiberty.h" | |
38 | #include "xregex.h" | |
39 | #include "findcomp.hh" | |
40 | #include "compiler-name.hh" | |
41 | #include "intl.h" | |
42 | ||
43 | struct libcp1; | |
44 | ||
45 | class libcp1_connection; | |
46 | ||
47 | // The C compiler context that we hand back to our caller. | |
48 | struct libcp1 : public gcc_cp_context | |
49 | { | |
50 | libcp1 (const gcc_base_vtable *, const gcc_cp_fe_vtable *); | |
51 | ~libcp1 (); | |
52 | ||
53 | // A convenience function to print something. | |
54 | void print (const char *str) | |
55 | { | |
56 | this->print_function (this->print_datum, str); | |
57 | } | |
58 | ||
59 | libcp1_connection *connection; | |
60 | ||
61 | gcc_cp_oracle_function *binding_oracle; | |
62 | gcc_cp_symbol_address_function *address_oracle; | |
63 | gcc_cp_enter_leave_user_expr_scope_function *enter_scope; | |
64 | gcc_cp_enter_leave_user_expr_scope_function *leave_scope; | |
65 | void *oracle_datum; | |
66 | ||
67 | void (*print_function) (void *datum, const char *message); | |
68 | void *print_datum; | |
69 | ||
70 | std::vector<std::string> args; | |
71 | std::string source_file; | |
72 | ||
73 | /* Non-zero as an equivalent to gcc driver option "-v". */ | |
74 | bool verbose; | |
75 | ||
76 | /* Compiler to set by set_triplet_regexp or set_driver_filename. */ | |
77 | class compiler | |
78 | { | |
79 | protected: | |
80 | libcp1 *self_; | |
81 | public: | |
82 | compiler (libcp1 *self) : self_ (self) | |
83 | { | |
84 | } | |
85 | virtual char *find (std::string &compiler) const; | |
86 | virtual ~compiler () | |
87 | { | |
88 | } | |
89 | } *compilerp; | |
90 | ||
91 | /* Compiler to set by set_triplet_regexp. */ | |
92 | class compiler_triplet_regexp : public compiler | |
93 | { | |
94 | private: | |
95 | std::string triplet_regexp_; | |
96 | public: | |
97 | virtual char *find (std::string &compiler) const; | |
98 | compiler_triplet_regexp (libcp1 *self, std::string triplet_regexp) | |
99 | : compiler (self), triplet_regexp_ (triplet_regexp) | |
100 | { | |
101 | } | |
102 | virtual ~compiler_triplet_regexp () | |
103 | { | |
104 | } | |
105 | }; | |
106 | ||
107 | /* Compiler to set by set_driver_filename. */ | |
108 | class compiler_driver_filename : public compiler | |
109 | { | |
110 | private: | |
111 | std::string driver_filename_; | |
112 | public: | |
113 | virtual char *find (std::string &compiler) const; | |
114 | compiler_driver_filename (libcp1 *self, std::string driver_filename) | |
115 | : compiler (self), driver_filename_ (driver_filename) | |
116 | { | |
117 | } | |
118 | virtual ~compiler_driver_filename () | |
119 | { | |
120 | } | |
121 | }; | |
122 | }; | |
123 | ||
124 | // A local subclass of connection that holds a back-pointer to the | |
125 | // gcc_c_context object that we provide to our caller. | |
126 | class libcp1_connection : public cc1_plugin::connection | |
127 | { | |
128 | public: | |
129 | ||
130 | libcp1_connection (int fd, int aux_fd, libcp1 *b) | |
131 | : connection (fd, aux_fd), | |
132 | back_ptr (b) | |
133 | { | |
134 | } | |
135 | ||
136 | virtual void print (const char *buf) | |
137 | { | |
138 | back_ptr->print (buf); | |
139 | } | |
140 | ||
141 | libcp1 *back_ptr; | |
142 | }; | |
143 | ||
144 | libcp1::libcp1 (const gcc_base_vtable *v, | |
145 | const gcc_cp_fe_vtable *cv) | |
146 | : connection (NULL), | |
147 | binding_oracle (NULL), | |
148 | address_oracle (NULL), | |
149 | oracle_datum (NULL), | |
150 | print_function (NULL), | |
151 | print_datum (NULL), | |
152 | args (), | |
153 | source_file (), | |
154 | verbose (false), | |
155 | compilerp (new libcp1::compiler (this)) | |
156 | { | |
157 | base.ops = v; | |
158 | cp_ops = cv; | |
159 | } | |
160 | ||
161 | libcp1::~libcp1 () | |
162 | { | |
163 | delete connection; | |
164 | delete compilerp; | |
165 | } | |
166 | ||
167 | \f | |
168 | ||
169 | // Enclose these functions in an anonymous namespace because they | |
170 | // shouldn't be exported, but they can't be static because they're | |
171 | // used as template arguments. | |
172 | namespace { | |
173 | // This is a wrapper function that is called by the RPC system and | |
174 | // that then forwards the call to the library user. Note that the | |
175 | // return value is not used; the type cannot be 'void' due to | |
176 | // limitations in our simple RPC. | |
177 | int | |
178 | cp_call_binding_oracle (cc1_plugin::connection *conn, | |
179 | enum gcc_cp_oracle_request request, | |
180 | const char *identifier) | |
181 | { | |
182 | libcp1 *self = ((libcp1_connection *) conn)->back_ptr; | |
183 | ||
184 | self->binding_oracle (self->oracle_datum, self, request, identifier); | |
185 | return 1; | |
186 | } | |
187 | ||
188 | // This is a wrapper function that is called by the RPC system and | |
189 | // that then forwards the call to the library user. | |
190 | gcc_address | |
191 | cp_call_symbol_address (cc1_plugin::connection *conn, const char *identifier) | |
192 | { | |
193 | libcp1 *self = ((libcp1_connection *) conn)->back_ptr; | |
194 | ||
195 | return self->address_oracle (self->oracle_datum, self, identifier); | |
196 | } | |
197 | ||
198 | int | |
199 | cp_call_enter_scope (cc1_plugin::connection *conn) | |
200 | { | |
201 | libcp1 *self = ((libcp1_connection *) conn)->back_ptr; | |
202 | ||
203 | self->enter_scope (self->oracle_datum, self); | |
204 | return 1; | |
205 | } | |
206 | ||
207 | int | |
208 | cp_call_leave_scope (cc1_plugin::connection *conn) | |
209 | { | |
210 | libcp1 *self = ((libcp1_connection *) conn)->back_ptr; | |
211 | ||
212 | self->leave_scope (self->oracle_datum, self); | |
213 | return 1; | |
214 | } | |
215 | } /* anonymous namespace */ | |
216 | ||
217 | \f | |
218 | ||
219 | static void | |
220 | set_callbacks (struct gcc_cp_context *s, | |
221 | gcc_cp_oracle_function *binding_oracle, | |
222 | gcc_cp_symbol_address_function *address_oracle, | |
223 | gcc_cp_enter_leave_user_expr_scope_function *enter_scope, | |
224 | gcc_cp_enter_leave_user_expr_scope_function *leave_scope, | |
225 | void *datum) | |
226 | { | |
227 | libcp1 *self = (libcp1 *) s; | |
228 | ||
229 | self->binding_oracle = binding_oracle; | |
230 | self->address_oracle = address_oracle; | |
231 | self->enter_scope = enter_scope; | |
232 | self->leave_scope = leave_scope; | |
233 | self->oracle_datum = datum; | |
234 | } | |
235 | ||
236 | // Instances of these rpc<> template functions are installed into the | |
237 | // "cp_vtable". These functions are parameterized by type and method | |
238 | // name and forward the call via the connection. | |
239 | ||
240 | template<typename R, const char *&NAME> | |
241 | R rpc (struct gcc_cp_context *s) | |
242 | { | |
243 | libcp1 *self = (libcp1 *) s; | |
244 | R result; | |
245 | ||
246 | if (!cc1_plugin::call (self->connection, NAME, &result)) | |
247 | return 0; | |
248 | return result; | |
249 | } | |
250 | ||
251 | template<typename R, const char *&NAME, typename A> | |
252 | R rpc (struct gcc_cp_context *s, A arg) | |
253 | { | |
254 | libcp1 *self = (libcp1 *) s; | |
255 | R result; | |
256 | ||
257 | if (!cc1_plugin::call (self->connection, NAME, &result, arg)) | |
258 | return 0; | |
259 | return result; | |
260 | } | |
261 | ||
262 | template<typename R, const char *&NAME, typename A1, typename A2> | |
263 | R rpc (struct gcc_cp_context *s, A1 arg1, A2 arg2) | |
264 | { | |
265 | libcp1 *self = (libcp1 *) s; | |
266 | R result; | |
267 | ||
268 | if (!cc1_plugin::call (self->connection, NAME, &result, arg1, arg2)) | |
269 | return 0; | |
270 | return result; | |
271 | } | |
272 | ||
273 | template<typename R, const char *&NAME, typename A1, typename A2, typename A3> | |
274 | R rpc (struct gcc_cp_context *s, A1 arg1, A2 arg2, A3 arg3) | |
275 | { | |
276 | libcp1 *self = (libcp1 *) s; | |
277 | R result; | |
278 | ||
279 | if (!cc1_plugin::call (self->connection, NAME, &result, arg1, arg2, arg3)) | |
280 | return 0; | |
281 | return result; | |
282 | } | |
283 | ||
284 | template<typename R, const char *&NAME, typename A1, typename A2, typename A3, | |
285 | typename A4> | |
286 | R rpc (struct gcc_cp_context *s, A1 arg1, A2 arg2, A3 arg3, A4 arg4) | |
287 | { | |
288 | libcp1 *self = (libcp1 *) s; | |
289 | R result; | |
290 | ||
291 | if (!cc1_plugin::call (self->connection, NAME, &result, arg1, arg2, arg3, | |
292 | arg4)) | |
293 | return 0; | |
294 | return result; | |
295 | } | |
296 | ||
297 | template<typename R, const char *&NAME, typename A1, typename A2, typename A3, | |
298 | typename A4, typename A5> | |
299 | R rpc (struct gcc_cp_context *s, A1 arg1, A2 arg2, A3 arg3, A4 arg4, A5 arg5) | |
300 | { | |
301 | libcp1 *self = (libcp1 *) s; | |
302 | R result; | |
303 | ||
304 | if (!cc1_plugin::call (self->connection, NAME, &result, arg1, arg2, arg3, | |
305 | arg4, arg5)) | |
306 | return 0; | |
307 | return result; | |
308 | } | |
309 | ||
310 | template<typename R, const char *&NAME, typename A1, typename A2, typename A3, | |
311 | typename A4, typename A5, typename A6, typename A7> | |
312 | R rpc (struct gcc_cp_context *s, A1 arg1, A2 arg2, A3 arg3, A4 arg4, A5 arg5, | |
313 | A6 arg6, A7 arg7) | |
314 | { | |
315 | libcp1 *self = (libcp1 *) s; | |
316 | R result; | |
317 | ||
318 | if (!cc1_plugin::call (self->connection, NAME, &result, arg1, arg2, arg3, | |
319 | arg4, arg5, arg6, arg7)) | |
320 | return 0; | |
321 | return result; | |
322 | } | |
323 | ||
324 | static const struct gcc_cp_fe_vtable cp_vtable = | |
325 | { | |
326 | GCC_CP_FE_VERSION_0, | |
327 | set_callbacks, | |
328 | ||
329 | #define GCC_METHOD0(R, N) \ | |
330 | rpc<R, cc1_plugin::cp::N>, | |
331 | #define GCC_METHOD1(R, N, A) \ | |
332 | rpc<R, cc1_plugin::cp::N, A>, | |
333 | #define GCC_METHOD2(R, N, A, B) \ | |
334 | rpc<R, cc1_plugin::cp::N, A, B>, | |
335 | #define GCC_METHOD3(R, N, A, B, C) \ | |
336 | rpc<R, cc1_plugin::cp::N, A, B, C>, | |
337 | #define GCC_METHOD4(R, N, A, B, C, D) \ | |
338 | rpc<R, cc1_plugin::cp::N, A, B, C, D>, | |
339 | #define GCC_METHOD5(R, N, A, B, C, D, E) \ | |
340 | rpc<R, cc1_plugin::cp::N, A, B, C, D, E>, | |
341 | #define GCC_METHOD7(R, N, A, B, C, D, E, F, G) \ | |
342 | rpc<R, cc1_plugin::cp::N, A, B, C, D, E, F, G>, | |
343 | ||
344 | #include "gcc-cp-fe.def" | |
345 | ||
346 | #undef GCC_METHOD0 | |
347 | #undef GCC_METHOD1 | |
348 | #undef GCC_METHOD2 | |
349 | #undef GCC_METHOD3 | |
350 | #undef GCC_METHOD4 | |
351 | #undef GCC_METHOD5 | |
352 | #undef GCC_METHOD7 | |
353 | }; | |
354 | ||
355 | \f | |
356 | ||
357 | // Construct an appropriate regexp to match the compiler name. | |
358 | static std::string | |
359 | make_regexp (const char *triplet_regexp, const char *compiler) | |
360 | { | |
361 | std::stringstream buf; | |
362 | ||
363 | buf << "^" << triplet_regexp << "-"; | |
364 | ||
365 | // Quote the compiler name in case it has something funny in it. | |
366 | for (const char *p = compiler; *p; ++p) | |
367 | { | |
368 | switch (*p) | |
369 | { | |
370 | case '.': | |
371 | case '^': | |
372 | case '$': | |
373 | case '*': | |
374 | case '+': | |
375 | case '?': | |
376 | case '(': | |
377 | case ')': | |
378 | case '[': | |
379 | case '{': | |
380 | case '\\': | |
381 | case '|': | |
382 | buf << '\\'; | |
383 | break; | |
384 | } | |
385 | buf << *p; | |
386 | } | |
387 | buf << "$"; | |
388 | ||
389 | return buf.str (); | |
390 | } | |
391 | ||
392 | static void | |
393 | libcp1_set_verbose (struct gcc_base_context *s, int /* bool */ verbose) | |
394 | { | |
395 | libcp1 *self = (libcp1 *) s; | |
396 | ||
397 | self->verbose = verbose != 0; | |
398 | } | |
399 | ||
400 | char * | |
401 | libcp1::compiler::find (std::string &compiler ATTRIBUTE_UNUSED) const | |
402 | { | |
403 | return xstrdup (_("Compiler has not been specified")); | |
404 | } | |
405 | ||
406 | char * | |
407 | libcp1::compiler_triplet_regexp::find (std::string &compiler) const | |
408 | { | |
409 | std::string rx = make_regexp (triplet_regexp_.c_str (), CP_COMPILER_NAME); | |
410 | if (self_->verbose) | |
411 | fprintf (stderr, _("searching for compiler matching regex %s\n"), | |
412 | rx.c_str()); | |
413 | regex_t triplet; | |
414 | int code = regcomp (&triplet, rx.c_str (), REG_EXTENDED | REG_NOSUB); | |
415 | if (code != 0) | |
416 | { | |
417 | size_t len = regerror (code, &triplet, NULL, 0); | |
418 | char err[len]; | |
419 | ||
420 | regerror (code, &triplet, err, len); | |
421 | ||
422 | return concat ("Could not compile regexp \"", | |
423 | rx.c_str (), | |
424 | "\": ", | |
425 | err, | |
426 | (char *) NULL); | |
427 | } | |
428 | ||
429 | if (!find_compiler (triplet, &compiler)) | |
430 | { | |
431 | regfree (&triplet); | |
432 | return concat ("Could not find a compiler matching \"", | |
433 | rx.c_str (), | |
434 | "\"", | |
435 | (char *) NULL); | |
436 | } | |
437 | regfree (&triplet); | |
438 | if (self_->verbose) | |
439 | fprintf (stderr, _("found compiler %s\n"), compiler.c_str()); | |
440 | return NULL; | |
441 | } | |
442 | ||
443 | char * | |
444 | libcp1::compiler_driver_filename::find (std::string &compiler) const | |
445 | { | |
446 | // Simulate fnotice by fprintf. | |
447 | if (self_->verbose) | |
448 | fprintf (stderr, _("using explicit compiler filename %s\n"), | |
449 | driver_filename_.c_str()); | |
450 | compiler = driver_filename_; | |
451 | return NULL; | |
452 | } | |
453 | ||
454 | static char * | |
455 | libcp1_set_arguments (struct gcc_base_context *s, | |
456 | int argc, char **argv) | |
457 | { | |
458 | libcp1 *self = (libcp1 *) s; | |
459 | ||
460 | std::string compiler; | |
461 | char *errmsg = self->compilerp->find (compiler); | |
462 | if (errmsg != NULL) | |
463 | return errmsg; | |
464 | ||
465 | self->args.push_back (compiler); | |
466 | ||
467 | for (int i = 0; i < argc; ++i) | |
468 | self->args.push_back (argv[i]); | |
469 | ||
470 | return NULL; | |
471 | } | |
472 | ||
473 | static char * | |
474 | libcp1_set_triplet_regexp (struct gcc_base_context *s, | |
475 | const char *triplet_regexp) | |
476 | { | |
477 | libcp1 *self = (libcp1 *) s; | |
478 | ||
479 | delete self->compilerp; | |
480 | self->compilerp = new libcp1::compiler_triplet_regexp (self, triplet_regexp); | |
481 | return NULL; | |
482 | } | |
483 | ||
484 | static char * | |
485 | libcp1_set_driver_filename (struct gcc_base_context *s, | |
486 | const char *driver_filename) | |
487 | { | |
488 | libcp1 *self = (libcp1 *) s; | |
489 | ||
490 | delete self->compilerp; | |
491 | self->compilerp = new libcp1::compiler_driver_filename (self, | |
492 | driver_filename); | |
493 | return NULL; | |
494 | } | |
495 | ||
496 | static char * | |
497 | libcp1_set_arguments_v0 (struct gcc_base_context *s, | |
498 | const char *triplet_regexp, | |
499 | int argc, char **argv) | |
500 | { | |
501 | char *errmsg = libcp1_set_triplet_regexp (s, triplet_regexp); | |
502 | if (errmsg != NULL) | |
503 | return errmsg; | |
504 | ||
505 | return libcp1_set_arguments (s, argc, argv); | |
506 | } | |
507 | ||
508 | static void | |
509 | libcp1_set_source_file (struct gcc_base_context *s, | |
510 | const char *file) | |
511 | { | |
512 | libcp1 *self = (libcp1 *) s; | |
513 | ||
514 | self->source_file = file; | |
515 | } | |
516 | ||
517 | static void | |
518 | libcp1_set_print_callback (struct gcc_base_context *s, | |
519 | void (*print_function) (void *datum, | |
520 | const char *message), | |
521 | void *datum) | |
522 | { | |
523 | libcp1 *self = (libcp1 *) s; | |
524 | ||
525 | self->print_function = print_function; | |
526 | self->print_datum = datum; | |
527 | } | |
528 | ||
529 | static int | |
530 | fork_exec (libcp1 *self, char **argv, int spair_fds[2], int stderr_fds[2]) | |
531 | { | |
532 | pid_t child_pid = fork (); | |
533 | ||
534 | if (child_pid == -1) | |
535 | { | |
536 | close (spair_fds[0]); | |
537 | close (spair_fds[1]); | |
538 | close (stderr_fds[0]); | |
539 | close (stderr_fds[1]); | |
540 | return 0; | |
541 | } | |
542 | ||
543 | if (child_pid == 0) | |
544 | { | |
545 | // Child. | |
546 | dup2 (stderr_fds[1], 1); | |
547 | dup2 (stderr_fds[1], 2); | |
548 | close (stderr_fds[0]); | |
549 | close (stderr_fds[1]); | |
550 | close (spair_fds[0]); | |
551 | ||
552 | execvp (argv[0], argv); | |
553 | _exit (127); | |
554 | } | |
555 | else | |
556 | { | |
557 | // Parent. | |
558 | close (spair_fds[1]); | |
559 | close (stderr_fds[1]); | |
560 | ||
561 | cc1_plugin::status result = cc1_plugin::FAIL; | |
562 | if (self->connection->send ('H') | |
563 | && ::cc1_plugin::marshall (self->connection, GCC_CP_FE_VERSION_0)) | |
564 | result = self->connection->wait_for_query (); | |
565 | ||
566 | close (spair_fds[0]); | |
567 | close (stderr_fds[0]); | |
568 | ||
569 | while (true) | |
570 | { | |
571 | int status; | |
572 | ||
573 | if (waitpid (child_pid, &status, 0) == -1) | |
574 | { | |
575 | if (errno != EINTR) | |
576 | return 0; | |
577 | } | |
578 | ||
579 | if (!WIFEXITED (status) || WEXITSTATUS (status) != 0) | |
580 | return 0; | |
581 | break; | |
582 | } | |
583 | ||
584 | if (!result) | |
585 | return 0; | |
586 | return 1; | |
587 | } | |
588 | } | |
589 | ||
590 | static int | |
591 | libcp1_compile (struct gcc_base_context *s, | |
592 | const char *filename) | |
593 | { | |
594 | libcp1 *self = (libcp1 *) s; | |
595 | ||
596 | int fds[2]; | |
597 | if (socketpair (AF_UNIX, SOCK_STREAM, 0, fds) != 0) | |
598 | { | |
599 | self->print ("could not create socketpair\n"); | |
600 | return 0; | |
601 | } | |
602 | ||
603 | int stderr_fds[2]; | |
604 | if (pipe (stderr_fds) != 0) | |
605 | { | |
606 | self->print ("could not create pipe\n"); | |
607 | close (fds[0]); | |
608 | close (fds[1]); | |
609 | return 0; | |
610 | } | |
611 | ||
612 | self->args.push_back ("-fplugin=libcp1plugin"); | |
613 | char buf[100]; | |
614 | if (snprintf (buf, sizeof (buf), "-fplugin-arg-libcp1plugin-fd=%d", fds[1]) | |
615 | >= (long) sizeof (buf)) | |
616 | abort (); | |
617 | self->args.push_back (buf); | |
618 | ||
619 | self->args.push_back (self->source_file); | |
620 | self->args.push_back ("-c"); | |
621 | self->args.push_back ("-o"); | |
622 | self->args.push_back (filename); | |
623 | if (self->verbose) | |
624 | self->args.push_back ("-v"); | |
625 | ||
626 | self->connection = new libcp1_connection (fds[0], stderr_fds[0], self); | |
627 | ||
628 | cc1_plugin::callback_ftype *fun | |
629 | = cc1_plugin::callback<int, | |
630 | enum gcc_cp_oracle_request, | |
631 | const char *, | |
632 | cp_call_binding_oracle>; | |
633 | self->connection->add_callback ("binding_oracle", fun); | |
634 | ||
635 | fun = cc1_plugin::callback<gcc_address, | |
636 | const char *, | |
637 | cp_call_symbol_address>; | |
638 | self->connection->add_callback ("address_oracle", fun); | |
639 | ||
640 | fun = cc1_plugin::callback<int, | |
641 | cp_call_enter_scope>; | |
642 | self->connection->add_callback ("enter_scope", fun); | |
643 | ||
644 | fun = cc1_plugin::callback<int, | |
645 | cp_call_leave_scope>; | |
646 | self->connection->add_callback ("leave_scope", fun); | |
647 | ||
648 | char **argv = new (std::nothrow) char *[self->args.size () + 1]; | |
649 | if (argv == NULL) | |
650 | return 0; | |
651 | ||
652 | for (unsigned int i = 0; i < self->args.size (); ++i) | |
653 | argv[i] = const_cast<char *> (self->args[i].c_str ()); | |
654 | argv[self->args.size ()] = NULL; | |
655 | ||
656 | return fork_exec (self, argv, fds, stderr_fds); | |
657 | } | |
658 | ||
659 | static int | |
660 | libcp1_compile_v0 (struct gcc_base_context *s, const char *filename, | |
661 | int verbose) | |
662 | { | |
663 | libcp1_set_verbose (s, verbose); | |
664 | return libcp1_compile (s, filename); | |
665 | } | |
666 | ||
667 | static void | |
668 | libcp1_destroy (struct gcc_base_context *s) | |
669 | { | |
670 | libcp1 *self = (libcp1 *) s; | |
671 | ||
672 | delete self; | |
673 | } | |
674 | ||
675 | static const struct gcc_base_vtable vtable = | |
676 | { | |
677 | GCC_FE_VERSION_0, | |
678 | libcp1_set_arguments_v0, | |
679 | libcp1_set_source_file, | |
680 | libcp1_set_print_callback, | |
681 | libcp1_compile_v0, | |
682 | libcp1_destroy, | |
683 | libcp1_set_verbose, | |
684 | libcp1_compile, | |
685 | libcp1_set_arguments, | |
686 | libcp1_set_triplet_regexp, | |
687 | libcp1_set_driver_filename, | |
688 | }; | |
689 | ||
690 | extern "C" gcc_cp_fe_context_function gcc_cp_fe_context; | |
691 | ||
692 | #ifdef __GNUC__ | |
693 | #pragma GCC visibility push(default) | |
694 | #endif | |
695 | ||
696 | extern "C" | |
697 | struct gcc_cp_context * | |
698 | gcc_cp_fe_context (enum gcc_base_api_version base_version, | |
699 | enum gcc_cp_api_version cp_version) | |
700 | { | |
701 | if ((base_version != GCC_FE_VERSION_0 && base_version != GCC_FE_VERSION_1) | |
702 | || cp_version != GCC_CP_FE_VERSION_0) | |
703 | return NULL; | |
704 | ||
705 | return new libcp1 (&vtable, &cp_vtable); | |
706 | } |