1  /* toplev.h - Various declarations for functions found in toplev.cc
       2     Copyright (C) 1998-2023 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 */