2015-05-05 Yvan Roux <yvan.roux@linaro.org>
[official-gcc.git] / gcc / gcc.h
blobf10a103cd5b264555a2cb845716de37e42392c5a
1 /* Header file for modules that link with gcc.c
2 Copyright (C) 1999-2015 Free Software Foundation, Inc.
4 This file is part of GCC.
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.
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.
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/>. */
20 #ifndef GCC_GCC_H
21 #define GCC_GCC_H
23 #include "version.h"
24 #include "diagnostic-core.h"
26 /* The top-level "main" within the driver would be ~1000 lines long.
27 This class breaks it up into smaller functions and contains some
28 state shared by them. */
30 class driver
32 public:
33 int main (int argc, char **argv);
35 private:
36 void set_progname (const char *argv0) const;
37 void expand_at_files (int *argc, char ***argv) const;
38 void decode_argv (int argc, const char **argv);
39 void global_initializations ();
40 void build_multilib_strings () const;
41 void set_up_specs () const;
42 void putenv_COLLECT_GCC (const char *argv0) const;
43 void maybe_putenv_COLLECT_LTO_WRAPPER () const;
44 void maybe_putenv_OFFLOAD_TARGETS () const;
45 void handle_unrecognized_options () const;
46 int maybe_print_and_exit () const;
47 bool prepare_infiles ();
48 void do_spec_on_infiles () const;
49 void maybe_run_linker (const char *argv0) const;
50 void final_actions () const;
51 int get_exit_code () const;
53 private:
54 char *explicit_link_files;
55 struct cl_decoded_option *decoded_options;
56 unsigned int decoded_options_count;
59 /* The mapping of a spec function name to the C function that
60 implements it. */
61 struct spec_function
63 const char *name;
64 const char *(*func) (int, const char **);
67 /* These are exported by gcc.c. */
68 extern int do_spec (const char *);
69 extern void record_temp_file (const char *, int, int);
70 extern void pfatal_with_name (const char *) ATTRIBUTE_NORETURN;
71 extern void set_input (const char *);
73 /* Spec files linked with gcc.c must provide definitions for these. */
75 /* Called before processing to change/add/remove arguments. */
76 extern void lang_specific_driver (struct cl_decoded_option **,
77 unsigned int *, int *);
79 /* Called before linking. Returns 0 on success and -1 on failure. */
80 extern int lang_specific_pre_link (void);
82 extern int n_infiles;
84 /* Number of extra output files that lang_specific_pre_link may generate. */
85 extern int lang_specific_extra_outfiles;
87 /* A vector of corresponding output files is made up later. */
89 extern const char **outfiles;
91 extern void
92 driver_get_configure_time_options (void (*cb)(const char *option,
93 void *user_data),
94 void *user_data);
96 #endif /* ! GCC_GCC_H */