1 /* toplev.h - Various declarations for functions found in toplev.c
2    Copyright (C) 1998-2021 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 */
107