1 /* toplev.h - Various declarations for functions found in toplev.cc 2 Copyright (C) 1998-2022 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_TOPLEV_H 21 #define GCC_TOPLEV_H 22 23 /* Decoded options, and number of such options. */ 24 extern struct cl_decoded_option *save_decoded_options; 25 extern unsigned int save_decoded_options_count; 26 extern vec<cl_decoded_option> *save_opt_decoded_options; 27 28 class timer; 29 30 /* Invoking the compiler. */ 31 class toplev 32 { 33 public: 34 toplev (timer *external_timer, 35 bool init_signals); 36 ~toplev (); 37 38 int main (int argc, char **argv); 39 40 void finalize (); 41 42 private: 43 44 void start_timevars (); 45 46 void run_self_tests (); 47 48 bool m_use_TV_TOTAL; 49 bool m_init_signals; 50 }; 51 52 extern void rest_of_decl_compilation (tree, int, int); 53 extern void rest_of_type_compilation (tree, int); 54 extern void init_optimization_passes (void); 55 extern bool enable_rtl_dump_file (void); 56 57 /* In except.cc. Initialize exception handling. This is used by the Ada 58 and LTO front ends to initialize EH "on demand". See lto-streamer-in.cc 59 and ada/gcc-interface/misc.cc. */ 60 extern void init_eh (void); 61 62 extern void announce_function (tree); 63 64 extern void wrapup_global_declaration_1 (tree); 65 extern bool wrapup_global_declaration_2 (tree); 66 extern bool wrapup_global_declarations (tree *, int); 67 68 extern void global_decl_processing (void); 69 70 extern void 71 dump_memory_report (const char *); 72 extern void dump_profile_report (void); 73 74 extern void target_reinit (void); 75 76 /* A unique local time stamp, might be zero if none is available. */ 77 extern unsigned local_tick; 78 79 /* See toplev.cc. */ 80 extern int flag_rerun_cse_after_global_opts; 81 82 extern void print_version (FILE *, const char *, bool); 83 84 /* The hashtable, so that the C front ends can pass it to cpplib. */ 85 extern struct ht *ident_hash; 86 87 /* Functions used to get and set GCC's notion of in what directory 88 compilation was started. */ 89 90 extern const char *get_src_pwd (void); 91 extern bool set_src_pwd (const char *); 92 93 /* Functions used to manipulate the random seed. */ 94 95 extern HOST_WIDE_INT get_random_seed (bool); 96 extern void set_random_seed (const char *); 97 98 extern void parse_alignment_opts (void); 99 100 extern void initialize_rtl (void); 101 102 #endif /* ! GCC_TOPLEV_H */ 103