gcc/toplev.h

   1 /* toplev.h - Various declarations for functions found in toplev.c
   2    Copyright (C) 1998-2020 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
  27 class timer;
  28
  29 /* Invoking the compiler.  */
  30 class toplev
  31 {
  32 public:
  33   toplev (timer *external_timer,
  34           bool init_signals);
  35   ~toplev ();
  36
  37   int main (int argc, char **argv);
  38
  39   void finalize ();
  40
  41 private:
  42
  43   void start_timevars ();
  44
  45   void run_self_tests ();
  46
  47   bool m_use_TV_TOTAL;
  48   bool m_init_signals;
  49 };
  50
  51 extern void rest_of_decl_compilation (tree, int, int);
  52 extern void rest_of_type_compilation (tree, int);
  53 extern void init_optimization_passes (void);
  54 extern bool enable_rtl_dump_file (void);
  55
  56 /* In except.c.  Initialize exception handling.  This is used by the Ada
  57    and LTO front ends to initialize EH "on demand".  See lto-streamer-in.c
  58    and ada/gcc-interface/misc.c.  */
  59 extern void init_eh (void);
  60
  61 extern void announce_function (tree);
  62
  63 extern void wrapup_global_declaration_1 (tree);
  64 extern bool wrapup_global_declaration_2 (tree);
  65 extern bool wrapup_global_declarations (tree *, int);
  66
  67 extern void global_decl_processing (void);
  68
  69 extern void
  70 dump_memory_report (const char *);
  71 extern void dump_profile_report (void);
  72
  73 extern void target_reinit (void);
  74
  75 /* A unique local time stamp, might be zero if none is available.  */
  76 extern unsigned local_tick;
  77
  78 /* See toplev.c.  */
  79 extern int flag_rerun_cse_after_global_opts;
  80
  81 extern void print_version (FILE *, const char *, bool);
  82
  83 /* The hashtable, so that the C front ends can pass it to cpplib.  */
  84 extern struct ht *ident_hash;
  85
  86 /* Functions used to get and set GCC's notion of in what directory
  87    compilation was started.  */
  88
  89 extern const char *get_src_pwd         (void);
  90 extern bool set_src_pwd                (const char *);
  91
  92 /* Functions used to manipulate the random seed.  */
  93
  94 extern HOST_WIDE_INT get_random_seed (bool);
  95 extern void set_random_seed (const char *);
  96
  97 extern unsigned int min_align_loops_log;
  98 extern unsigned int min_align_jumps_log;
  99 extern unsigned int min_align_labels_log;
 100 extern unsigned int min_align_functions_log;
 101
 102 extern void parse_alignment_opts (void);
 103
 104 extern void initialize_rtl (void);
 105
 106 #endif /* ! GCC_TOPLEV_H */