contrib/llvm-project/compiler-rt/lib/gwp_asan/utilities.h

   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 #include "gwp_asan/definitions.h"
  10
  11 #include <stddef.h>
  12 #include <stdint.h>
  13
  14 namespace gwp_asan {
  15 // Checks that `Condition` is true, otherwise fails in a platform-specific way
  16 // with `Message`.
  17 void Check(bool Condition, const char *Message);
  18
  19 enum class AlignmentStrategy {
  20   // Default => POWER_OF_TWO on most platforms, BIONIC for Android Bionic.
  21   DEFAULT,
  22   POWER_OF_TWO,
  23   BIONIC,
  24   PERFECT,
  25 };
  26
  27 // Returns the real size of a right-aligned allocation.
  28 size_t rightAlignedAllocationSize(
  29     size_t RealAllocationSize,
  30     AlignmentStrategy Align = AlignmentStrategy::DEFAULT);
  31 } // namespace gwp_asan