1*38fd1498Szrj /* UndefinedBehaviorSanitizer, undefined behavior detector. 2*38fd1498Szrj Copyright (C) 2013-2018 Free Software Foundation, Inc. 3*38fd1498Szrj Contributed by Marek Polacek <polacek@redhat.com> 4*38fd1498Szrj 5*38fd1498Szrj This file is part of GCC. 6*38fd1498Szrj 7*38fd1498Szrj GCC is free software; you can redistribute it and/or modify it under 8*38fd1498Szrj the terms of the GNU General Public License as published by the Free 9*38fd1498Szrj Software Foundation; either version 3, or (at your option) any later 10*38fd1498Szrj version. 11*38fd1498Szrj 12*38fd1498Szrj GCC is distributed in the hope that it will be useful, but WITHOUT ANY 13*38fd1498Szrj WARRANTY; without even the implied warranty of MERCHANTABILITY or 14*38fd1498Szrj FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15*38fd1498Szrj for more details. 16*38fd1498Szrj 17*38fd1498Szrj You should have received a copy of the GNU General Public License 18*38fd1498Szrj along with GCC; see the file COPYING3. If not see 19*38fd1498Szrj <http://www.gnu.org/licenses/>. */ 20*38fd1498Szrj 21*38fd1498Szrj #ifndef GCC_UBSAN_H 22*38fd1498Szrj #define GCC_UBSAN_H 23*38fd1498Szrj 24*38fd1498Szrj /* The various kinds of NULL pointer checks. */ 25*38fd1498Szrj enum ubsan_null_ckind { 26*38fd1498Szrj UBSAN_LOAD_OF, 27*38fd1498Szrj UBSAN_STORE_OF, 28*38fd1498Szrj UBSAN_REF_BINDING, 29*38fd1498Szrj UBSAN_MEMBER_ACCESS, 30*38fd1498Szrj UBSAN_MEMBER_CALL, 31*38fd1498Szrj UBSAN_CTOR_CALL, 32*38fd1498Szrj UBSAN_DOWNCAST_POINTER, 33*38fd1498Szrj UBSAN_DOWNCAST_REFERENCE, 34*38fd1498Szrj UBSAN_UPCAST, 35*38fd1498Szrj UBSAN_CAST_TO_VBASE 36*38fd1498Szrj }; 37*38fd1498Szrj 38*38fd1498Szrj /* This controls how ubsan prints types. Used in ubsan_type_descriptor. */ 39*38fd1498Szrj enum ubsan_print_style { 40*38fd1498Szrj UBSAN_PRINT_NORMAL, 41*38fd1498Szrj UBSAN_PRINT_POINTER, 42*38fd1498Szrj UBSAN_PRINT_ARRAY 43*38fd1498Szrj }; 44*38fd1498Szrj 45*38fd1498Szrj /* This controls ubsan_encode_value behavior. */ 46*38fd1498Szrj enum ubsan_encode_value_phase { 47*38fd1498Szrj UBSAN_ENCODE_VALUE_GENERIC, 48*38fd1498Szrj UBSAN_ENCODE_VALUE_GIMPLE, 49*38fd1498Szrj UBSAN_ENCODE_VALUE_RTL 50*38fd1498Szrj }; 51*38fd1498Szrj 52*38fd1498Szrj extern bool ubsan_expand_bounds_ifn (gimple_stmt_iterator *); 53*38fd1498Szrj extern bool ubsan_expand_null_ifn (gimple_stmt_iterator *); 54*38fd1498Szrj extern bool ubsan_expand_objsize_ifn (gimple_stmt_iterator *); 55*38fd1498Szrj extern bool ubsan_expand_ptr_ifn (gimple_stmt_iterator *); 56*38fd1498Szrj extern bool ubsan_expand_vptr_ifn (gimple_stmt_iterator *); 57*38fd1498Szrj extern bool ubsan_instrument_unreachable (gimple_stmt_iterator *); 58*38fd1498Szrj extern tree ubsan_create_data (const char *, int, const location_t *, ...); 59*38fd1498Szrj extern tree ubsan_type_descriptor (tree, ubsan_print_style 60*38fd1498Szrj = UBSAN_PRINT_NORMAL); 61*38fd1498Szrj extern tree ubsan_encode_value (tree, ubsan_encode_value_phase 62*38fd1498Szrj = UBSAN_ENCODE_VALUE_GENERIC); 63*38fd1498Szrj extern bool is_ubsan_builtin_p (tree); 64*38fd1498Szrj extern tree ubsan_build_overflow_builtin (tree_code, location_t, tree, tree, 65*38fd1498Szrj tree, tree *); 66*38fd1498Szrj extern tree ubsan_instrument_float_cast (location_t, tree, tree); 67*38fd1498Szrj extern tree ubsan_get_source_location_type (void); 68*38fd1498Szrj 69*38fd1498Szrj #endif /* GCC_UBSAN_H */ 70