| 1 | /* Header file for exception handling. |
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| 2 | Copyright (C) 2013-2023 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of GCC. |
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| 5 | |
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| 6 | GCC is free software; you can redistribute it and/or modify it under |
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| 7 | the terms of the GNU General Public License as published by the Free |
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| 8 | Software Foundation; either version 3, or (at your option) any later |
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| 9 | version. |
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| 10 | |
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| 11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 14 | for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with GCC; see the file COPYING3. If not see |
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| 18 | <http://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #ifndef GCC_TREE_EH_H |
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| 21 | #define GCC_TREE_EH_H |
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| 22 | |
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| 23 | |
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| 24 | typedef struct eh_region_d *eh_region; |
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| 25 | |
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| 26 | extern void using_eh_for_cleanups (void); |
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| 27 | extern void add_stmt_to_eh_lp (gimple *, int); |
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| 28 | extern bool remove_stmt_from_eh_lp_fn (struct function *, gimple *); |
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| 29 | extern bool remove_stmt_from_eh_lp (gimple *); |
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| 30 | extern int lookup_stmt_eh_lp_fn (struct function *, const gimple *); |
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| 31 | extern int lookup_stmt_eh_lp (const gimple *); |
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| 32 | extern bool make_eh_dispatch_edges (geh_dispatch *); |
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| 33 | extern edge make_eh_edge (gimple *); |
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| 34 | extern edge redirect_eh_edge (edge, basic_block); |
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| 35 | extern void redirect_eh_dispatch_edge (geh_dispatch *, edge, basic_block); |
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| 36 | extern bool operation_could_trap_helper_p (enum tree_code, bool, bool, bool, |
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| 37 | bool, tree, bool *); |
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| 38 | extern bool operation_could_trap_p (enum tree_code, bool, bool, tree); |
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| 39 | extern bool tree_could_trap_p (tree); |
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| 40 | extern tree rewrite_to_non_trapping_overflow (tree); |
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| 41 | extern bool stmt_could_throw_p (function *, gimple *); |
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| 42 | extern bool stmt_unremovable_because_of_non_call_eh_p (function *, gimple *); |
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| 43 | extern bool tree_could_throw_p (tree); |
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| 44 | extern bool stmt_can_throw_external (function *, gimple *); |
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| 45 | extern bool stmt_can_throw_internal (function *, gimple *); |
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| 46 | extern bool maybe_clean_eh_stmt_fn (struct function *, gimple *); |
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| 47 | extern bool maybe_clean_eh_stmt (gimple *); |
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| 48 | extern bool maybe_clean_or_replace_eh_stmt (gimple *, gimple *); |
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| 49 | extern bool maybe_duplicate_eh_stmt_fn (struct function *, gimple *, |
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| 50 | struct function *, gimple *, |
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| 51 | hash_map<void *, void *> *, int); |
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| 52 | extern bool maybe_duplicate_eh_stmt (gimple *, gimple *); |
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| 53 | extern void maybe_remove_unreachable_handlers (void); |
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| 54 | extern void unsplit_eh_edges (void); |
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| 55 | extern bool verify_eh_edges (gimple *); |
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| 56 | extern bool verify_eh_dispatch_edge (geh_dispatch *); |
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| 57 | |
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| 58 | #endif /* GCC_TREE_EH_H */ |
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| 59 | |
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