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Diffstat (limited to 'compiler-rt/lib/gwp_asan/random.h')
-rw-r--r-- | compiler-rt/lib/gwp_asan/random.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/compiler-rt/lib/gwp_asan/random.h b/compiler-rt/lib/gwp_asan/random.h new file mode 100644 index 000000000000..5fcf30d557ee --- /dev/null +++ b/compiler-rt/lib/gwp_asan/random.h @@ -0,0 +1,20 @@ +//===-- 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_ |