xref: /dragonfly/contrib/gcc-8.0/gcc/gcc.h (revision 38fd1498)
1*38fd1498Szrj /* Header file for modules that link with gcc.c
2*38fd1498Szrj    Copyright (C) 1999-2018 Free Software Foundation, Inc.
3*38fd1498Szrj 
4*38fd1498Szrj This file is part of GCC.
5*38fd1498Szrj 
6*38fd1498Szrj GCC is free software; you can redistribute it and/or modify it under
7*38fd1498Szrj the terms of the GNU General Public License as published by the Free
8*38fd1498Szrj Software Foundation; either version 3, or (at your option) any later
9*38fd1498Szrj version.
10*38fd1498Szrj 
11*38fd1498Szrj GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12*38fd1498Szrj WARRANTY; without even the implied warranty of MERCHANTABILITY or
13*38fd1498Szrj FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14*38fd1498Szrj for more details.
15*38fd1498Szrj 
16*38fd1498Szrj You should have received a copy of the GNU General Public License
17*38fd1498Szrj along with GCC; see the file COPYING3.  If not see
18*38fd1498Szrj <http://www.gnu.org/licenses/>.  */
19*38fd1498Szrj 
20*38fd1498Szrj #ifndef GCC_GCC_H
21*38fd1498Szrj #define GCC_GCC_H
22*38fd1498Szrj 
23*38fd1498Szrj #include "version.h"
24*38fd1498Szrj #include "diagnostic-core.h"
25*38fd1498Szrj 
26*38fd1498Szrj /* The top-level "main" within the driver would be ~1000 lines long.
27*38fd1498Szrj    This class breaks it up into smaller functions and contains some
28*38fd1498Szrj    state shared by them.  */
29*38fd1498Szrj 
30*38fd1498Szrj class driver
31*38fd1498Szrj {
32*38fd1498Szrj  public:
33*38fd1498Szrj   driver (bool can_finalize, bool debug);
34*38fd1498Szrj   ~driver ();
35*38fd1498Szrj   int main (int argc, char **argv);
36*38fd1498Szrj   void finalize ();
37*38fd1498Szrj 
38*38fd1498Szrj  private:
39*38fd1498Szrj   void set_progname (const char *argv0) const;
40*38fd1498Szrj   void expand_at_files (int *argc, char ***argv) const;
41*38fd1498Szrj   void decode_argv (int argc, const char **argv);
42*38fd1498Szrj   void global_initializations ();
43*38fd1498Szrj   void build_multilib_strings () const;
44*38fd1498Szrj   void set_up_specs () const;
45*38fd1498Szrj   void putenv_COLLECT_GCC (const char *argv0) const;
46*38fd1498Szrj   void maybe_putenv_COLLECT_LTO_WRAPPER () const;
47*38fd1498Szrj   void maybe_putenv_OFFLOAD_TARGETS () const;
48*38fd1498Szrj   void build_option_suggestions (void);
49*38fd1498Szrj   const char *suggest_option (const char *bad_opt);
50*38fd1498Szrj   void handle_unrecognized_options ();
51*38fd1498Szrj   int maybe_print_and_exit () const;
52*38fd1498Szrj   bool prepare_infiles ();
53*38fd1498Szrj   void do_spec_on_infiles () const;
54*38fd1498Szrj   void maybe_run_linker (const char *argv0) const;
55*38fd1498Szrj   void final_actions () const;
56*38fd1498Szrj   int get_exit_code () const;
57*38fd1498Szrj 
58*38fd1498Szrj  private:
59*38fd1498Szrj   char *explicit_link_files;
60*38fd1498Szrj   struct cl_decoded_option *decoded_options;
61*38fd1498Szrj   unsigned int decoded_options_count;
62*38fd1498Szrj   auto_vec <char *> *m_option_suggestions;
63*38fd1498Szrj };
64*38fd1498Szrj 
65*38fd1498Szrj /* The mapping of a spec function name to the C function that
66*38fd1498Szrj    implements it.  */
67*38fd1498Szrj struct spec_function
68*38fd1498Szrj {
69*38fd1498Szrj   const char *name;
70*38fd1498Szrj   const char *(*func) (int, const char **);
71*38fd1498Szrj };
72*38fd1498Szrj 
73*38fd1498Szrj /* These are exported by gcc.c.  */
74*38fd1498Szrj extern int do_spec (const char *);
75*38fd1498Szrj extern void record_temp_file (const char *, int, int);
76*38fd1498Szrj extern void pfatal_with_name (const char *) ATTRIBUTE_NORETURN;
77*38fd1498Szrj extern void set_input (const char *);
78*38fd1498Szrj 
79*38fd1498Szrj /* Spec files linked with gcc.c must provide definitions for these.  */
80*38fd1498Szrj 
81*38fd1498Szrj /* Called before processing to change/add/remove arguments.  */
82*38fd1498Szrj extern void lang_specific_driver (struct cl_decoded_option **,
83*38fd1498Szrj 				  unsigned int *, int *);
84*38fd1498Szrj 
85*38fd1498Szrj /* Called before linking.  Returns 0 on success and -1 on failure.  */
86*38fd1498Szrj extern int lang_specific_pre_link (void);
87*38fd1498Szrj 
88*38fd1498Szrj extern int n_infiles;
89*38fd1498Szrj 
90*38fd1498Szrj /* Number of extra output files that lang_specific_pre_link may generate.  */
91*38fd1498Szrj extern int lang_specific_extra_outfiles;
92*38fd1498Szrj 
93*38fd1498Szrj /* A vector of corresponding output files is made up later.  */
94*38fd1498Szrj 
95*38fd1498Szrj extern const char **outfiles;
96*38fd1498Szrj 
97*38fd1498Szrj extern void
98*38fd1498Szrj driver_get_configure_time_options (void (*cb)(const char *option,
99*38fd1498Szrj 					      void *user_data),
100*38fd1498Szrj 				   void *user_data);
101*38fd1498Szrj 
102*38fd1498Szrj #endif /* ! GCC_GCC_H */
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