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annotate gcc/gcc.h @ 138:fc828634a951

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merge
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Thu, 08 Nov 2018 14:17:14 +0900
parents 84e7813d76e9
children 1830386684a0
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1 /* Header file for modules that link with gcc.c
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2 Copyright (C) 1999-2018 Free Software Foundation, Inc.
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3
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4 This file is part of GCC.
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5
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6 GCC is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License as published by the Free
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8 Software Foundation; either version 3, or (at your option) any later
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9 version.
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10
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11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with GCC; see the file COPYING3. If not see
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18 <http://www.gnu.org/licenses/>. */
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19
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20 #ifndef GCC_GCC_H
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21 #define GCC_GCC_H
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23 #include "version.h"
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24 #include "diagnostic-core.h"
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25
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26 /* The top-level "main" within the driver would be ~1000 lines long.
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27 This class breaks it up into smaller functions and contains some
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28 state shared by them. */
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29
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30 class driver
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31 {
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32 public:
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33 driver (bool can_finalize, bool debug);
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34 ~driver ();
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35 int main (int argc, char **argv);
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36 void finalize ();
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37
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38 private:
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39 void set_progname (const char *argv0) const;
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40 void expand_at_files (int *argc, char ***argv) const;
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41 void decode_argv (int argc, const char **argv);
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42 void global_initializations ();
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43 void build_multilib_strings () const;
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44 void set_up_specs () const;
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45 void putenv_COLLECT_GCC (const char *argv0) const;
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46 void maybe_putenv_COLLECT_LTO_WRAPPER () const;
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47 void maybe_putenv_OFFLOAD_TARGETS () const;
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48 void handle_unrecognized_options ();
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49 int maybe_print_and_exit () const;
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50 bool prepare_infiles ();
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51 void do_spec_on_infiles () const;
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52 void maybe_run_linker (const char *argv0) const;
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53 void final_actions () const;
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54 int get_exit_code () const;
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55
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56 private:
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57 char *explicit_link_files;
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58 struct cl_decoded_option *decoded_options;
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59 unsigned int decoded_options_count;
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60 option_proposer m_option_proposer;
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61 };
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62
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63 /* The mapping of a spec function name to the C function that
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64 implements it. */
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65 struct spec_function
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66 {
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67 const char *name;
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68 const char *(*func) (int, const char **);
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69 };
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71 /* These are exported by gcc.c. */
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72 extern int do_spec (const char *);
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73 extern void record_temp_file (const char *, int, int);
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74 extern void set_input (const char *);
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76 /* Spec files linked with gcc.c must provide definitions for these. */
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78 /* Called before processing to change/add/remove arguments. */
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79 extern void lang_specific_driver (struct cl_decoded_option **,
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80 unsigned int *, int *);
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82 /* Called before linking. Returns 0 on success and -1 on failure. */
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83 extern int lang_specific_pre_link (void);
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85 extern int n_infiles;
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87 /* Number of extra output files that lang_specific_pre_link may generate. */
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88 extern int lang_specific_extra_outfiles;
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90 /* A vector of corresponding output files is made up later. */
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92 extern const char **outfiles;
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94 extern void
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95 driver_get_configure_time_options (void (*cb)(const char *option,
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96 void *user_data),
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97 void *user_data);
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98
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99 #endif /* ! GCC_GCC_H */