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Diffstat (limited to 'lib/sanitizer_common/sanitizer_internal_defs.h')
| -rw-r--r-- | lib/sanitizer_common/sanitizer_internal_defs.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_internal_defs.h b/lib/sanitizer_common/sanitizer_internal_defs.h new file mode 100644 index 000000000000..b8cf61fad84a --- /dev/null +++ b/lib/sanitizer_common/sanitizer_internal_defs.h @@ -0,0 +1,163 @@ +//===-- sanitizer_internal_defs.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 shared between AddressSanitizer and ThreadSanitizer. +// It contains macro used in run-time libraries code. +//===----------------------------------------------------------------------===// +#ifndef SANITIZER_DEFS_H +#define SANITIZER_DEFS_H + +#include "sanitizer_interface_defs.h" +using namespace __sanitizer; // NOLINT +// ----------- ATTENTION ------------- +// This header should NOT include any other headers to avoid portability issues. + +// Common defs. +#define INLINE static inline +#define INTERFACE_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE +#define WEAK SANITIZER_WEAK_ATTRIBUTE + +// Platform-specific defs. +#if defined(_WIN32) +typedef unsigned long DWORD; // NOLINT +# define ALWAYS_INLINE __declspec(forceinline) +// FIXME(timurrrr): do we need this on Windows? +# define ALIAS(x) +# define ALIGNED(x) __declspec(align(x)) +# define FORMAT(f, a) +# define NOINLINE __declspec(noinline) +# define NORETURN __declspec(noreturn) +# define THREADLOCAL __declspec(thread) +# define NOTHROW +#else // _WIN32 +# define ALWAYS_INLINE __attribute__((always_inline)) +# define ALIAS(x) __attribute__((alias(x))) +# define ALIGNED(x) __attribute__((aligned(x))) +# define FORMAT(f, a) __attribute__((format(printf, f, a))) +# define NOINLINE __attribute__((noinline)) +# define NORETURN __attribute__((noreturn)) +# define THREADLOCAL __thread +# ifdef __cplusplus +# define NOTHROW throw() +# else +# define NOTHROW __attribute__((__nothrow__)) +#endif +#endif // _WIN32 + +// We have no equivalent of these on Windows. +#ifndef _WIN32 +# define LIKELY(x) __builtin_expect(!!(x), 1) +# define UNLIKELY(x) __builtin_expect(!!(x), 0) +# define UNUSED __attribute__((unused)) +# define USED __attribute__((used)) +#endif + +#if defined(_WIN32) +typedef DWORD thread_return_t; +# define THREAD_CALLING_CONV __stdcall +#else // _WIN32 +typedef void* thread_return_t; +# define THREAD_CALLING_CONV +#endif // _WIN32 +typedef thread_return_t (THREAD_CALLING_CONV *thread_callback_t)(void* arg); + +// If __WORDSIZE was undefined by the platform, define it in terms of the +// compiler built-ins __LP64__ and _WIN64. +#ifndef __WORDSIZE +# if __LP64__ || defined(_WIN64) +# define __WORDSIZE 64 +# else +# define __WORDSIZE 32 +# endif +#endif // __WORDSIZE + +// NOTE: Functions below must be defined in each run-time. +namespace __sanitizer { +void NORETURN Die(); +void NORETURN CheckFailed(const char *file, int line, const char *cond, + u64 v1, u64 v2); +} // namespace __sanitizer + +// Check macro +#define RAW_CHECK_MSG(expr, msg) do { \ + if (!(expr)) { \ + RawWrite(msg); \ + Die(); \ + } \ +} while (0) + +#define RAW_CHECK(expr) RAW_CHECK_MSG(expr, #expr) + +#define CHECK_IMPL(c1, op, c2) \ + do { \ + __sanitizer::u64 v1 = (u64)(c1); \ + __sanitizer::u64 v2 = (u64)(c2); \ + if (!(v1 op v2)) \ + __sanitizer::CheckFailed(__FILE__, __LINE__, \ + "(" #c1 ") " #op " (" #c2 ")", v1, v2); \ + } while (false) \ +/**/ + +#define CHECK(a) CHECK_IMPL((a), !=, 0) +#define CHECK_EQ(a, b) CHECK_IMPL((a), ==, (b)) +#define CHECK_NE(a, b) CHECK_IMPL((a), !=, (b)) +#define CHECK_LT(a, b) CHECK_IMPL((a), <, (b)) +#define CHECK_LE(a, b) CHECK_IMPL((a), <=, (b)) +#define CHECK_GT(a, b) CHECK_IMPL((a), >, (b)) +#define CHECK_GE(a, b) CHECK_IMPL((a), >=, (b)) + +#if TSAN_DEBUG +#define DCHECK(a) CHECK(a) +#define DCHECK_EQ(a, b) CHECK_EQ(a, b) +#define DCHECK_NE(a, b) CHECK_NE(a, b) +#define DCHECK_LT(a, b) CHECK_LT(a, b) +#define DCHECK_LE(a, b) CHECK_LE(a, b) +#define DCHECK_GT(a, b) CHECK_GT(a, b) +#define DCHECK_GE(a, b) CHECK_GE(a, b) +#else +#define DCHECK(a) +#define DCHECK_EQ(a, b) +#define DCHECK_NE(a, b) +#define DCHECK_LT(a, b) +#define DCHECK_LE(a, b) +#define DCHECK_GT(a, b) +#define DCHECK_GE(a, b) +#endif + +#define UNIMPLEMENTED() CHECK("unimplemented" && 0) + +#define COMPILER_CHECK(pred) IMPL_COMPILER_ASSERT(pred, __LINE__) + +#define IMPL_PASTE(a, b) a##b +#define IMPL_COMPILER_ASSERT(pred, line) \ + typedef char IMPL_PASTE(assertion_failed_##_, line)[2*(int)(pred)-1]; + +// Limits for integral types. We have to redefine it in case we don't +// have stdint.h (like in Visual Studio 9). +#if __WORDSIZE == 64 +# define __INT64_C(c) c ## L +# define __UINT64_C(c) c ## UL +#else +# define __INT64_C(c) c ## LL +# define __UINT64_C(c) c ## ULL +#endif // __WORDSIZE == 64 +#undef INT32_MIN +#define INT32_MIN (-2147483647-1) +#undef INT32_MAX +#define INT32_MAX (2147483647) +#undef UINT32_MAX +#define UINT32_MAX (4294967295U) +#undef INT64_MIN +#define INT64_MIN (-__INT64_C(9223372036854775807)-1) +#undef INT64_MAX +#define INT64_MAX (__INT64_C(9223372036854775807)) +#undef UINT64_MAX +#define UINT64_MAX (__UINT64_C(18446744073709551615)) + +#endif // SANITIZER_DEFS_H |