1/* Header file for modules that link with gcc.c
2   Copyright (C) 1999-2015 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<http://www.gnu.org/licenses/>.  */
19
20#ifndef GCC_GCC_H
21#define GCC_GCC_H
22
23#include "version.h"
24#include "diagnostic-core.h"
25
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.  */
29
30class driver
31{
32 public:
33  int main (int argc, char **argv);
34
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;
52
53 private:
54  char *explicit_link_files;
55  struct cl_decoded_option *decoded_options;
56  unsigned int decoded_options_count;
57};
58
59/* The mapping of a spec function name to the C function that
60   implements it.  */
61struct spec_function
62{
63  const char *name;
64  const char *(*func) (int, const char **);
65};
66
67/* These are exported by gcc.c.  */
68extern int do_spec (const char *);
69extern void record_temp_file (const char *, int, int);
70extern void pfatal_with_name (const char *) ATTRIBUTE_NORETURN;
71extern void set_input (const char *);
72
73/* Spec files linked with gcc.c must provide definitions for these.  */
74
75/* Called before processing to change/add/remove arguments.  */
76extern void lang_specific_driver (struct cl_decoded_option **,
77				  unsigned int *, int *);
78
79/* Called before linking.  Returns 0 on success and -1 on failure.  */
80extern int lang_specific_pre_link (void);
81
82extern int n_infiles;
83
84/* Number of extra output files that lang_specific_pre_link may generate.  */
85extern int lang_specific_extra_outfiles;
86
87/* A vector of corresponding output files is made up later.  */
88
89extern const char **outfiles;
90
91extern void
92driver_get_configure_time_options (void (*cb)(const char *option,
93					      void *user_data),
94				   void *user_data);
95
96#endif /* ! GCC_GCC_H */
97