140 lines
3.6 KiB
C++
140 lines
3.6 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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// <windows.h> should always be the first include on Windows.
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# include <windows.h>
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// MSVS headers define max/min as macros, so std::max/min gets crazy.
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# undef max
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# undef min
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#endif
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#if !defined(SANITIZER_EXTERNAL_TEST_CONFIG)
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# define INCLUDED_FROM_SANITIZER_TEST_UTILS_H
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# include "sanitizer_test_config.h"
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# undef INCLUDED_FROM_SANITIZER_TEST_UTILS_H
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#endif
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#include <stdint.h>
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#if defined(_MSC_VER)
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# define NOINLINE __declspec(noinline)
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#else // defined(_MSC_VER)
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# define NOINLINE __attribute__((noinline))
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#endif // defined(_MSC_VER)
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#if !defined(_MSC_VER) || defined(__clang__)
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# define UNUSED __attribute__((unused))
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# define USED __attribute__((used))
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#else
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# define UNUSED
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# define USED
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#endif
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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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#ifndef ATTRIBUTE_NO_SANITIZE_ADDRESS
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# if __has_feature(address_sanitizer) || defined(__SANITIZE_ADDRESS__)
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# define ATTRIBUTE_NO_SANITIZE_ADDRESS \
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__attribute__((no_sanitize_address))
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# else
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# define ATTRIBUTE_NO_SANITIZE_ADDRESS
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# endif
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#endif // ATTRIBUTE_NO_SANITIZE_ADDRESS
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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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#if !defined(_WIN32) || defined(__clang__)
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__asm__ __volatile__("" : : "r" (arg) : "memory");
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#endif
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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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// Set availability of platform-specific functions.
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#if !defined(__APPLE__) && !defined(__ANDROID__) && !defined(_WIN32)
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# define SANITIZER_TEST_HAS_POSIX_MEMALIGN 1
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#else
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# define SANITIZER_TEST_HAS_POSIX_MEMALIGN 0
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#endif
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#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__ANDROID__) && \
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!defined(__NetBSD__) && !defined(_WIN32)
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# define SANITIZER_TEST_HAS_MEMALIGN 1
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#else
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# define SANITIZER_TEST_HAS_MEMALIGN 0
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#endif
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#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__ANDROID__) && \
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!defined(__NetBSD__) && !defined(_WIN32) && \
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!(defined(__sun__) && defined(__svr4__))
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# define SANITIZER_TEST_HAS_PVALLOC 1
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# define SANITIZER_TEST_HAS_MALLOC_USABLE_SIZE 1
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#else
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# define SANITIZER_TEST_HAS_PVALLOC 0
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# define SANITIZER_TEST_HAS_MALLOC_USABLE_SIZE 0
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#endif
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#if !defined(__APPLE__)
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# define SANITIZER_TEST_HAS_STRNLEN 1
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#else
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# define SANITIZER_TEST_HAS_STRNLEN 0
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#endif
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#if defined(__FreeBSD__) || defined(__NetBSD__)
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# define SANITIZER_TEST_HAS_PRINTF_L 1
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#else
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# define SANITIZER_TEST_HAS_PRINTF_L 0
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#endif
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#if !defined(_MSC_VER)
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# define SANITIZER_TEST_HAS_STRNDUP 1
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#else
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# define SANITIZER_TEST_HAS_STRNDUP 0
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#endif
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#endif // SANITIZER_TEST_UTILS_H
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