11debfc3dSmrg /* Header file for exception handling. 2*8feb0f0bSmrg Copyright (C) 2013-2020 Free Software Foundation, Inc. 31debfc3dSmrg 41debfc3dSmrg This file is part of GCC. 51debfc3dSmrg 61debfc3dSmrg GCC is free software; you can redistribute it and/or modify it under 71debfc3dSmrg the terms of the GNU General Public License as published by the Free 81debfc3dSmrg Software Foundation; either version 3, or (at your option) any later 91debfc3dSmrg version. 101debfc3dSmrg 111debfc3dSmrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY 121debfc3dSmrg WARRANTY; without even the implied warranty of MERCHANTABILITY or 131debfc3dSmrg FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 141debfc3dSmrg for more details. 151debfc3dSmrg 161debfc3dSmrg You should have received a copy of the GNU General Public License 171debfc3dSmrg along with GCC; see the file COPYING3. If not see 181debfc3dSmrg <http://www.gnu.org/licenses/>. */ 191debfc3dSmrg 201debfc3dSmrg #ifndef GCC_TREE_EH_H 211debfc3dSmrg #define GCC_TREE_EH_H 221debfc3dSmrg 231debfc3dSmrg 241debfc3dSmrg typedef struct eh_region_d *eh_region; 251debfc3dSmrg 261debfc3dSmrg extern void using_eh_for_cleanups (void); 271debfc3dSmrg extern void add_stmt_to_eh_lp (gimple *, int); 281debfc3dSmrg extern bool remove_stmt_from_eh_lp_fn (struct function *, gimple *); 291debfc3dSmrg extern bool remove_stmt_from_eh_lp (gimple *); 30*8feb0f0bSmrg extern int lookup_stmt_eh_lp_fn (struct function *, const gimple *); 31*8feb0f0bSmrg extern int lookup_stmt_eh_lp (const gimple *); 321debfc3dSmrg extern bool make_eh_dispatch_edges (geh_dispatch *); 331debfc3dSmrg extern void make_eh_edges (gimple *); 341debfc3dSmrg extern edge redirect_eh_edge (edge, basic_block); 351debfc3dSmrg extern void redirect_eh_dispatch_edge (geh_dispatch *, edge, basic_block); 361debfc3dSmrg extern bool operation_could_trap_helper_p (enum tree_code, bool, bool, bool, 371debfc3dSmrg bool, tree, bool *); 381debfc3dSmrg extern bool operation_could_trap_p (enum tree_code, bool, bool, tree); 391debfc3dSmrg extern bool tree_could_trap_p (tree); 401debfc3dSmrg extern tree rewrite_to_non_trapping_overflow (tree); 41c0a68be4Smrg extern bool stmt_could_throw_p (function *, gimple *); 42*8feb0f0bSmrg extern bool stmt_unremovable_because_of_non_call_eh_p (function *, gimple *); 431debfc3dSmrg extern bool tree_could_throw_p (tree); 44c0a68be4Smrg extern bool stmt_can_throw_external (function *, gimple *); 45c0a68be4Smrg extern bool stmt_can_throw_internal (function *, gimple *); 461debfc3dSmrg extern bool maybe_clean_eh_stmt_fn (struct function *, gimple *); 471debfc3dSmrg extern bool maybe_clean_eh_stmt (gimple *); 481debfc3dSmrg extern bool maybe_clean_or_replace_eh_stmt (gimple *, gimple *); 491debfc3dSmrg extern bool maybe_duplicate_eh_stmt_fn (struct function *, gimple *, 501debfc3dSmrg struct function *, gimple *, 511debfc3dSmrg hash_map<void *, void *> *, int); 521debfc3dSmrg extern bool maybe_duplicate_eh_stmt (gimple *, gimple *); 531debfc3dSmrg extern void maybe_remove_unreachable_handlers (void); 54*8feb0f0bSmrg extern void unsplit_eh_edges (void); 551debfc3dSmrg extern bool verify_eh_edges (gimple *); 561debfc3dSmrg extern bool verify_eh_dispatch_edge (geh_dispatch *); 571debfc3dSmrg 581debfc3dSmrg #endif /* GCC_TREE_EH_H */ 59