1 /* Header file for exception handling. 2 Copyright (C) 2013-2016 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_TREE_EH_H 21 #define GCC_TREE_EH_H 22 23 24 typedef struct eh_region_d *eh_region; 25 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, 37 bool, tree, 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 *); 54 55 #endif /* GCC_TREE_EH_H */ 56