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/* UndefinedBehaviorSanitizer, undefined behavior detector.
Copyright (C) 2013-2023 Free Software Foundation, Inc.
Contributed by Marek Polacek <polacek@redhat.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_UBSAN_H
#define GCC_UBSAN_H
/* The various kinds of NULL pointer checks. */
enum ubsan_null_ckind {
UBSAN_LOAD_OF,
UBSAN_STORE_OF,
UBSAN_REF_BINDING,
UBSAN_MEMBER_ACCESS,
UBSAN_MEMBER_CALL,
UBSAN_CTOR_CALL,
UBSAN_DOWNCAST_POINTER,
UBSAN_DOWNCAST_REFERENCE,
UBSAN_UPCAST,
UBSAN_CAST_TO_VBASE
};
/* This controls how ubsan prints types. Used in ubsan_type_descriptor. */
enum ubsan_print_style {
UBSAN_PRINT_NORMAL,
UBSAN_PRINT_POINTER,
UBSAN_PRINT_ARRAY,
UBSAN_PRINT_FORCE_INT
};
/* This controls ubsan_encode_value behavior. */
enum ubsan_encode_value_phase {
UBSAN_ENCODE_VALUE_GENERIC,
UBSAN_ENCODE_VALUE_GIMPLE,
UBSAN_ENCODE_VALUE_RTL
};
extern bool ubsan_expand_bounds_ifn (gimple_stmt_iterator *);
extern bool ubsan_expand_null_ifn (gimple_stmt_iterator *);
extern bool ubsan_expand_objsize_ifn (gimple_stmt_iterator *);
extern bool ubsan_expand_ptr_ifn (gimple_stmt_iterator *);
extern bool ubsan_expand_vptr_ifn (gimple_stmt_iterator *);
extern bool ubsan_instrument_unreachable (gimple_stmt_iterator *);
extern tree ubsan_create_data (const char *, int, const location_t *, ...);
extern tree ubsan_type_descriptor (tree, ubsan_print_style
= UBSAN_PRINT_NORMAL);
extern tree ubsan_encode_value (tree, ubsan_encode_value_phase
= UBSAN_ENCODE_VALUE_GENERIC);
extern bool is_ubsan_builtin_p (tree);
extern tree ubsan_build_overflow_builtin (tree_code, location_t, tree, tree,
tree, tree *);
extern tree ubsan_instrument_float_cast (location_t, tree, tree);
extern tree ubsan_get_source_location_type (void);
extern tree sanitize_unreachable_fn (tree *data, location_t loc);
#endif /* GCC_UBSAN_H */
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