1 //===-- utilities.h ---------------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef GWP_ASAN_UTILITIES_H_ 10 #define GWP_ASAN_UTILITIES_H_ 11 12 #include "gwp_asan/definitions.h" 13 14 #include <stddef.h> 15 16 namespace gwp_asan { 17 // Terminates in a platform-specific way with `Message`. 18 void die(const char *Message); 19 20 // Checks that `Condition` is true, otherwise dies with `Message`. 21 GWP_ASAN_ALWAYS_INLINE void Check(bool Condition, const char *Message) { 22 if (Condition) 23 return; 24 die(Message); 25 } 26 27 enum class AlignmentStrategy { 28 // Default => POWER_OF_TWO on most platforms, BIONIC for Android Bionic. 29 DEFAULT, 30 POWER_OF_TWO, 31 BIONIC, 32 PERFECT, 33 }; 34 35 // Returns the real size of a right-aligned allocation. 36 size_t rightAlignedAllocationSize( 37 size_t RealAllocationSize, 38 AlignmentStrategy Align = AlignmentStrategy::DEFAULT); 39 } // namespace gwp_asan 40 41 #endif // GWP_ASAN_UTILITIES_H_ 42