forked from OSchip/llvm-project
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
//===-- sanitizer_test_utils.h ----------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file is a part of *Sanitizer runtime.
|
|
// Common unit tests utilities.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef SANITIZER_TEST_UTILS_H
|
|
#define SANITIZER_TEST_UTILS_H
|
|
|
|
#if defined(_WIN32)
|
|
typedef unsigned __int8 uint8_t;
|
|
typedef unsigned __int16 uint16_t;
|
|
typedef unsigned __int32 uint32_t;
|
|
typedef unsigned __int64 uint64_t;
|
|
typedef __int8 int8_t;
|
|
typedef __int16 int16_t;
|
|
typedef __int32 int32_t;
|
|
typedef __int64 int64_t;
|
|
# define NOINLINE __declspec(noinline)
|
|
# define USED
|
|
#else // defined(_WIN32)
|
|
# define NOINLINE __attribute__((noinline))
|
|
# define USED __attribute__((used))
|
|
#include <stdint.h>
|
|
#endif // defined(_WIN32)
|
|
|
|
#if !defined(__has_feature)
|
|
#define __has_feature(x) 0
|
|
#endif
|
|
|
|
#ifndef ATTRIBUTE_NO_SANITIZE_ADDRESS
|
|
# if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
|
|
# define ATTRIBUTE_NO_SANITIZE_ADDRESS \
|
|
__attribute__((no_sanitize_address))
|
|
# else
|
|
# define ATTRIBUTE_NO_SANITIZE_ADDRESS
|
|
# endif
|
|
#endif // ATTRIBUTE_NO_SANITIZE_ADDRESS
|
|
|
|
#if __LP64__ || defined(_WIN64)
|
|
# define SANITIZER_WORDSIZE 64
|
|
#else
|
|
# define SANITIZER_WORDSIZE 32
|
|
#endif
|
|
|
|
// Make the compiler thinks that something is going on there.
|
|
inline void break_optimization(void *arg) {
|
|
__asm__ __volatile__("" : : "r" (arg) : "memory");
|
|
}
|
|
|
|
// This function returns its parameter but in such a way that compiler
|
|
// can not prove it.
|
|
template<class T>
|
|
NOINLINE
|
|
static T Ident(T t) {
|
|
T ret = t;
|
|
break_optimization(&ret);
|
|
return ret;
|
|
}
|
|
|
|
// Simple stand-alone pseudorandom number generator.
|
|
// Current algorithm is ANSI C linear congruential PRNG.
|
|
static inline uint32_t my_rand_r(uint32_t* state) {
|
|
return (*state = *state * 1103515245 + 12345) >> 16;
|
|
}
|
|
|
|
static uint32_t global_seed = 0;
|
|
|
|
static inline uint32_t my_rand() {
|
|
return my_rand_r(&global_seed);
|
|
}
|
|
|
|
|
|
#endif // SANITIZER_TEST_UTILS_H
|