1 /* Header file for exception handling.
2 Copyright (C) 2013-2017 Free Software Foundation, Inc.
4 This file is part of GCC.
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
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
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/>. */
24 typedef struct eh_region_d
*eh_region
;
26 extern void using_eh_for_cleanups (void);
27 extern void add_stmt_to_eh_lp (gimple
*, int);
28 extern bool remove_stmt_from_eh_lp_fn (struct function
*, gimple
*);
29 extern bool remove_stmt_from_eh_lp (gimple
*);
30 extern int lookup_stmt_eh_lp_fn (struct function
*, gimple
*);
31 extern int lookup_stmt_eh_lp (gimple
*);
32 extern bool make_eh_dispatch_edges (geh_dispatch
*);
33 extern void make_eh_edges (gimple
*);
34 extern edge
redirect_eh_edge (edge
, basic_block
);
35 extern void redirect_eh_dispatch_edge (geh_dispatch
*, edge
, basic_block
);
36 extern bool operation_could_trap_helper_p (enum tree_code
, bool, bool, bool,
38 extern bool operation_could_trap_p (enum tree_code
, bool, bool, tree
);
39 extern bool tree_could_trap_p (tree
);
40 extern bool stmt_could_throw_p (gimple
*);
41 extern bool tree_could_throw_p (tree
);
42 extern bool stmt_can_throw_external (gimple
*);
43 extern bool stmt_can_throw_internal (gimple
*);
44 extern bool maybe_clean_eh_stmt_fn (struct function
*, gimple
*);
45 extern bool maybe_clean_eh_stmt (gimple
*);
46 extern bool maybe_clean_or_replace_eh_stmt (gimple
*, gimple
*);
47 extern bool maybe_duplicate_eh_stmt_fn (struct function
*, gimple
*,
48 struct function
*, gimple
*,
49 hash_map
<void *, void *> *, int);
50 extern bool maybe_duplicate_eh_stmt (gimple
*, gimple
*);
51 extern void maybe_remove_unreachable_handlers (void);
52 extern bool verify_eh_edges (gimple
*);
53 extern bool verify_eh_dispatch_edge (geh_dispatch
*);
55 #endif /* GCC_TREE_EH_H */