gcc/toplev.h

   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 hashtables, so that the C front ends can pass them to cpplib.  */
  85 extern struct ht *ident_hash;
  86 extern struct ht *ident_hash_extra;
  87
  88 /* Functions used to get and set GCC's notion of in what directory
  89    compilation was started.  */
  90
  91 extern const char *get_src_pwd         (void);
  92 extern bool set_src_pwd                (const char *);
  93
  94 /* Functions used to manipulate the random seed.  */
  95
  96 extern HOST_WIDE_INT get_random_seed (bool);
  97 extern void set_random_seed (const char *);
  98
  99 extern void parse_alignment_opts (void);
 100
 101 extern void initialize_rtl (void);
 102
 103 #endif /* ! GCC_TOPLEV_H */