1 /* Header file for modules that link with gcc.c 2 Copyright (C) 1999-2015 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it under 7 the terms of the GNU General Public License as published by the Free 8 Software Foundation; either version 3, or (at your option) any later 9 version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 for more details. 15 16 You should have received a copy of the GNU General Public License 17 along 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 30 class 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. */ 61 struct spec_function 62 { 63 const char *name; 64 const char *(*func) (int, const char **); 65 }; 66 67 /* This defines which switch letters take arguments. */ 68 69 #define DEFAULT_SWITCH_TAKES_ARG(CHAR) \ 70 ((CHAR) == 'D' || (CHAR) == 'U' || (CHAR) == 'o' \ 71 || (CHAR) == 'e' || (CHAR) == 'T' || (CHAR) == 'u' \ 72 || (CHAR) == 'I' || (CHAR) == 'J' || (CHAR) == 'm' \ 73 || (CHAR) == 'x' || (CHAR) == 'L' || (CHAR) == 'A' \ 74 || (CHAR) == 'V' || (CHAR) == 'B' || (CHAR) == 'b') 75 76 /* This defines which multi-letter switches take arguments. */ 77 78 #define DEFAULT_WORD_SWITCH_TAKES_ARG(STR) \ 79 (!strcmp (STR, "Tdata") || !strcmp (STR, "Ttext") \ 80 || !strcmp (STR, "Tbss") || !strcmp (STR, "include") \ 81 || !strcmp (STR, "imacros") || !strcmp (STR, "aux-info") \ 82 || !strcmp (STR, "idirafter") || !strcmp (STR, "iprefix") \ 83 || !strcmp (STR, "iwithprefix") || !strcmp (STR, "iwithprefixbefore") \ 84 || !strcmp (STR, "iquote") || !strcmp (STR, "isystem") \ 85 || !strcmp (STR, "isysroot") \ 86 || !strcmp (STR, "cxx-isystem") || !strcmp (STR, "-iremap") \ 87 || !strcmp (STR, "-param") || !strcmp (STR, "specs") \ 88 || !strcmp (STR, "MF") || !strcmp (STR, "MT") || !strcmp (STR, "MQ") \ 89 || !strcmp (STR, "fintrinsic-modules-path") \ 90 || !strcmp (STR, "dumpbase") || !strcmp (STR, "dumpdir")) 91 92 93 /* These are exported by gcc.c. */ 94 extern int do_spec (const char *); 95 extern void record_temp_file (const char *, int, int); 96 extern void pfatal_with_name (const char *) ATTRIBUTE_NORETURN; 97 extern void set_input (const char *); 98 99 /* Spec files linked with gcc.c must provide definitions for these. */ 100 101 /* Called before processing to change/add/remove arguments. */ 102 extern void lang_specific_driver (struct cl_decoded_option **, 103 unsigned int *, int *); 104 105 /* Called before linking. Returns 0 on success and -1 on failure. */ 106 extern int lang_specific_pre_link (void); 107 108 extern int n_infiles; 109 110 /* Number of extra output files that lang_specific_pre_link may generate. */ 111 extern int lang_specific_extra_outfiles; 112 113 /* A vector of corresponding output files is made up later. */ 114 115 extern const char **outfiles; 116 117 extern void 118 driver_get_configure_time_options (void (*cb)(const char *option, 119 void *user_data), 120 void *user_data); 121 122 #endif /* ! GCC_GCC_H */ 123