Mitch Phillips 364f662fa3 [GWP-ASan] Fixed issue with c++ standard library dependency.
Summary:
Removed dependency on c++ standard library. Some supporting allocators (namely Scudo on Fuchsia, and shortly, scudo standalone) has a hard requirement of no c++stdlib.

This patch updates the build system so that we don't have any c++ stdlib dependencies. It also will conveniently fix a racy build-order bug discrepency between GWP-ASan and libc++.

Reviewers: phosek, morehouse

Reviewed By: phosek, morehouse

Subscribers: kubamracek, mgorny, cryptoad, #sanitizers, llvm-commits, beanz, smeenai, vitalybuka

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D62048

llvm-svn: 360982
2019-05-17 03:20:53 +00:00

21 lines
666 B
C++

//===-- random.h ------------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef GWP_ASAN_RANDOM_H_
#define GWP_ASAN_RANDOM_H_
#include <stdint.h>
namespace gwp_asan {
// xorshift (32-bit output), extremely fast PRNG that uses arithmetic operations
// only. Seeded using walltime.
uint32_t getRandomUnsigned32();
} // namespace gwp_asan
#endif // GWP_ASAN_RANDOM_H_