xref: /freebsd/contrib/llvm-project/compiler-rt/lib/gwp_asan/utilities.h (revision 37f253ed0ff80cd6a0937859a4c3c80c256f6d61)
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
32