1 /* Header file for exception handling.
2 Copyright (C) 2013-2016 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 */