1/* Header file for modules that link with gcc.c
2   Copyright (C) 1999-2020 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 handle_unrecognized_options ();
49  int maybe_print_and_exit () const;
50  bool prepare_infiles ();
51  void do_spec_on_infiles () const;
52  void maybe_run_linker (const char *argv0) const;
53  void final_actions () const;
54  void detect_jobserver () const;
55  int get_exit_code () const;
56
57 private:
58  char *explicit_link_files;
59  struct cl_decoded_option *decoded_options;
60  unsigned int decoded_options_count;
61  option_proposer m_option_proposer;
62};
63
64/* The mapping of a spec function name to the C function that
65   implements it.  */
66struct spec_function
67{
68  const char *name;
69  const char *(*func) (int, const char **);
70};
71
72/* These are exported by gcc.c.  */
73extern int do_spec (const char *);
74extern void record_temp_file (const char *, int, int);
75extern void set_input (const char *);
76
77/* Spec files linked with gcc.c must provide definitions for these.  */
78
79/* Called before processing to change/add/remove arguments.  */
80extern void lang_specific_driver (struct cl_decoded_option **,
81				  unsigned int *, int *);
82
83/* Called before linking.  Returns 0 on success and -1 on failure.  */
84extern int lang_specific_pre_link (void);
85
86extern int n_infiles;
87
88/* Number of extra output files that lang_specific_pre_link may generate.  */
89extern int lang_specific_extra_outfiles;
90
91/* A vector of corresponding output files is made up later.  */
92
93extern const char **outfiles;
94
95extern void
96driver_get_configure_time_options (void (*cb)(const char *option,
97					      void *user_data),
98				   void *user_data);
99
100#endif /* ! GCC_GCC_H */
101