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