1/* Header file for modules that link with gcc.c
2 Copyright (C) 1999-2017 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 driver (bool can_finalize, bool debug);
34 ~driver ();
35 int main (int argc, char **argv);
36 void finalize ();
37
38 private:
39 void set_progname (const char *argv0) const;
40 void expand_at_files (int *argc, char ***argv) const;
41 void decode_argv (int argc, const char **argv);
42 void global_initializations ();
43 void build_multilib_strings () const;
44 void set_up_specs () const;
45 void putenv_COLLECT_GCC (const char *argv0) const;
46 void maybe_putenv_COLLECT_LTO_WRAPPER () const;
47 void maybe_putenv_OFFLOAD_TARGETS () const;
48 void build_option_suggestions (void);
49 const char *suggest_option (const char *bad_opt);
50 void handle_unrecognized_options ();
51 int maybe_print_and_exit () const;
52 bool prepare_infiles ();
53 void do_spec_on_infiles () const;
54 void maybe_run_linker (const char *argv0) const;
55 void final_actions () const;
56 int get_exit_code () const;
57
58 private:
59 char *explicit_link_files;
60 struct cl_decoded_option *decoded_options;
61 unsigned int decoded_options_count;
62 auto_vec <char *> *m_option_suggestions;
63};
64
65/* The mapping of a spec function name to the C function that
66 implements it. */
67struct spec_function
68{
69 const char *name;
70 const char *(*func) (int, const char **);
71};
72
73/* These are exported by gcc.c. */
74extern int do_spec (const char *);
75extern void record_temp_file (const char *, int, int);
76extern void pfatal_with_name (const char *) ATTRIBUTE_NORETURN;
77extern void set_input (const char *);
78
79/* Spec files linked with gcc.c must provide definitions for these. */
80
81/* Called before processing to change/add/remove arguments. */
82extern void lang_specific_driver (struct cl_decoded_option **,
83 unsigned int *, int *);
84
85/* Called before linking. Returns 0 on success and -1 on failure. */
86extern int lang_specific_pre_link (void);
87
88extern int n_infiles;
89
90/* Number of extra output files that lang_specific_pre_link may generate. */
91extern int lang_specific_extra_outfiles;
92
93/* A vector of corresponding output files is made up later. */
94
95extern const char **outfiles;
96
97extern void
98driver_get_configure_time_options (void (*cb)(const char *option,
99 void *user_data),
100 void *user_data);
101
102#endif /* ! GCC_GCC_H */
103