sanitizer_internal_defs.h revision e31eca900a1f8849af75100c2d92e838d79d0920
194b5036ee6ba866e1702848855b6d687d1e70afaAlexey Samsonov//===-- sanitizer_internal_defs.h -------------------------------*- C++ -*-===// 29aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// 39aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// The LLVM Compiler Infrastructure 49aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// 59aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// This file is distributed under the University of Illinois Open Source 69aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// License. See LICENSE.TXT for details. 79aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// 89aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany//===----------------------------------------------------------------------===// 99aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// 109aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// This file is shared between AddressSanitizer and ThreadSanitizer. 110a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov// It contains macro used in run-time libraries code. 129aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany//===----------------------------------------------------------------------===// 139aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany#ifndef SANITIZER_DEFS_H 149aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany#define SANITIZER_DEFS_H 159aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany 16250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#if defined(_WIN32) 17250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// FIXME find out what we need on Windows. __declspec(dllexport) ? 18250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_INTERFACE_ATTRIBUTE 19250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_WEAK_ATTRIBUTE 20250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#elif defined(SANITIZER_GO) 21250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_INTERFACE_ATTRIBUTE 22250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_WEAK_ATTRIBUTE 23250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 24250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_INTERFACE_ATTRIBUTE __attribute__((visibility("default"))) 25250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_WEAK_ATTRIBUTE __attribute__((weak)) 26250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 27250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 28250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#ifdef __linux__ 29250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_SUPPORTS_WEAK_HOOKS 1 30250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 31250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_SUPPORTS_WEAK_HOOKS 0 32250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 33250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 34e31eca900a1f8849af75100c2d92e838d79d0920Kostya Serebryany// GCC does not understand __has_feature 35250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#if !defined(__has_feature) 36250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define __has_feature(x) 0 37250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 38250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 39250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// For portability reasons we do not include stddef.h, stdint.h or any other 40250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// system header, but we do need some basic types that are not defined 41250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// in a portable way by the language itself. 42250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovnamespace __sanitizer { 43250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 44250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#if defined(_WIN64) 45250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// 64-bit Windows uses LLP64 data model. 46250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long long uptr; // NOLINT 47250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed long long sptr; // NOLINT 48250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 49250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long uptr; // NOLINT 50250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed long sptr; // NOLINT 51250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif // defined(_WIN64) 52250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#if defined(__x86_64__) 53250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// Since x32 uses ILP32 data model in 64-bit hardware mode, we must use 54250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// 64-bit pointer to unwind stack frame. 55250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long long uhwptr; // NOLINT 56250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 57250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef uptr uhwptr; // NOLINT 58250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 59250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned char u8; 60250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned short u16; // NOLINT 61250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned int u32; 62250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long long u64; // NOLINT 63250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed char s8; 64250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed short s16; // NOLINT 65250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed int s32; 66250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed long long s64; // NOLINT 67ee7cc4454421a176d23442382afd9a01d36e7ad4Alexey Samsonovtypedef int fd_t; 68250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 69250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov} // namespace __sanitizer 70250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 71250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovextern "C" { 72250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // Tell the tools to write their reports to "path.<pid>" instead of stderr. 73250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov void __sanitizer_set_report_path(const char *path) 74250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov SANITIZER_INTERFACE_ATTRIBUTE; 75250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 76250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // Tell the tools to write their reports to given file descriptor instead of 77250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // stderr. 78250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov void __sanitizer_set_report_fd(int fd) 79250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov SANITIZER_INTERFACE_ATTRIBUTE; 80250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 81250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // Notify the tools that the sandbox is going to be turned on. The reserved 82250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // parameter will be used in the future to hold a structure with functions 83250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // that the tools may call to bypass the sandbox. 84250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov void __sanitizer_sandbox_on_notify(void *reserved) 85250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE; 862673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany 872673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany // This function is called by the tool when it has just finished reporting 882673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany // an error. 'error_summary' is a one-line string that summarizes 892673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany // the error message. This function can be overridden by the client. 902673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany void __sanitizer_report_error_summary(const char *error_summary) 912673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE; 92250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov} // extern "C" 93250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 94250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 950a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonovusing namespace __sanitizer; // NOLINT 969aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// ----------- ATTENTION ------------- 979aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// This header should NOT include any other headers to avoid portability issues. 989aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany 990a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov// Common defs. 1000a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov#define INLINE static inline 1010a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov#define INTERFACE_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE 1020a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov#define WEAK SANITIZER_WEAK_ATTRIBUTE 1030a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov 1040a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov// Platform-specific defs. 105bfa45e11e52081c55294355f36fa547f163dcc67Dmitry Vyukov#if defined(_MSC_VER) 106d51a1a10cba87be50e9ada9fa21337c387edb237Dmitry Vyukov# define ALWAYS_INLINE __declspec(forceinline) 1070a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov// FIXME(timurrrr): do we need this on Windows? 1080a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIAS(x) 1090a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIGNED(x) __declspec(align(x)) 11015503b0a4331c7f27f9cebc25e25c2e494f61cb9Alexey Samsonov# define FORMAT(f, a) 1110a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NOINLINE __declspec(noinline) 1120a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NORETURN __declspec(noreturn) 1130a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define THREADLOCAL __declspec(thread) 114d51a1a10cba87be50e9ada9fa21337c387edb237Dmitry Vyukov# define NOTHROW 115e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define LIKELY(x) (x) 116e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define UNLIKELY(x) (x) 117e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define UNUSED 118e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define USED 119b1bd208bfa496391085056b1709542b80dcfb21eDmitry Vyukov# define PREFETCH(x) /* _mm_prefetch(x, _MM_HINT_NTA) */ 120bfa45e11e52081c55294355f36fa547f163dcc67Dmitry Vyukov#else // _MSC_VER 121d51a1a10cba87be50e9ada9fa21337c387edb237Dmitry Vyukov# define ALWAYS_INLINE __attribute__((always_inline)) 1220a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIAS(x) __attribute__((alias(x))) 1230a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIGNED(x) __attribute__((aligned(x))) 12415503b0a4331c7f27f9cebc25e25c2e494f61cb9Alexey Samsonov# define FORMAT(f, a) __attribute__((format(printf, f, a))) 1250a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NOINLINE __attribute__((noinline)) 1260a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NORETURN __attribute__((noreturn)) 1270a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define THREADLOCAL __thread 12897daee89b35f6141db09aee612f0f377f754092fDmitry Vyukov# define NOTHROW throw() 1290a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define LIKELY(x) __builtin_expect(!!(x), 1) 1300a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define UNLIKELY(x) __builtin_expect(!!(x), 0) 1312ea978704a794e536d2801affcc7f301092d75daAlexey Samsonov# define UNUSED __attribute__((unused)) 1320a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define USED __attribute__((used)) 1330c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# if defined(__i386__) || defined(__x86_64__) 1340c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov// __builtin_prefetch(x) generates prefetchnt0 on x86 1350c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# define PREFETCH(x) __asm__("prefetchnta (%0)" : : "r" (x)) 1360c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# else 1370c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# define PREFETCH(x) __builtin_prefetch(x) 1380c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# endif 139e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov#endif // _MSC_VER 1409aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany 141dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov#if defined(_WIN32) 142bb19294a1195fb320047bace7732f15e85ac4da5Dmitry Vyukovtypedef unsigned long DWORD; // NOLINT 143dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonovtypedef DWORD thread_return_t; 144dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov# define THREAD_CALLING_CONV __stdcall 145dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov#else // _WIN32 146dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonovtypedef void* thread_return_t; 147dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov# define THREAD_CALLING_CONV 148dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov#endif // _WIN32 149dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonovtypedef thread_return_t (THREAD_CALLING_CONV *thread_callback_t)(void* arg); 150dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov 1515af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#if __LP64__ || defined(_WIN64) 1525af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany# define SANITIZER_WORDSIZE 64 1535af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#else 1545af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany# define SANITIZER_WORDSIZE 32 1555af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#endif 1569aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany 15715a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov// NOTE: Functions below must be defined in each run-time. 15815a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonovnamespace __sanitizer { 15915a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonovvoid NORETURN Die(); 16015a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonovvoid NORETURN CheckFailed(const char *file, int line, const char *cond, 16115a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov u64 v1, u64 v2); 16215a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov} // namespace __sanitizer 16315a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov 16415a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov// Check macro 165230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov#define RAW_CHECK_MSG(expr, msg) do { \ 166230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov if (!(expr)) { \ 167230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov RawWrite(msg); \ 168230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov Die(); \ 169230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov } \ 170230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov} while (0) 171230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov 172230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov#define RAW_CHECK(expr) RAW_CHECK_MSG(expr, #expr) 173230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov 17415a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_IMPL(c1, op, c2) \ 17515a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov do { \ 17615a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov __sanitizer::u64 v1 = (u64)(c1); \ 17715a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov __sanitizer::u64 v2 = (u64)(c2); \ 17815a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov if (!(v1 op v2)) \ 17915a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov __sanitizer::CheckFailed(__FILE__, __LINE__, \ 18015a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov "(" #c1 ") " #op " (" #c2 ")", v1, v2); \ 18115a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov } while (false) \ 18215a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov/**/ 18315a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov 18415a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK(a) CHECK_IMPL((a), !=, 0) 18515a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_EQ(a, b) CHECK_IMPL((a), ==, (b)) 18615a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_NE(a, b) CHECK_IMPL((a), !=, (b)) 18715a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_LT(a, b) CHECK_IMPL((a), <, (b)) 18815a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_LE(a, b) CHECK_IMPL((a), <=, (b)) 18915a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_GT(a, b) CHECK_IMPL((a), >, (b)) 19015a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_GE(a, b) CHECK_IMPL((a), >=, (b)) 19115a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov 192fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#if TSAN_DEBUG 193fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK(a) CHECK(a) 194fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_EQ(a, b) CHECK_EQ(a, b) 195fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_NE(a, b) CHECK_NE(a, b) 196fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LT(a, b) CHECK_LT(a, b) 197fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LE(a, b) CHECK_LE(a, b) 198fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GT(a, b) CHECK_GT(a, b) 199fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GE(a, b) CHECK_GE(a, b) 200fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#else 201fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK(a) 202fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_EQ(a, b) 203fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_NE(a, b) 204fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LT(a, b) 205fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LE(a, b) 206fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GT(a, b) 207fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GE(a, b) 208fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#endif 209fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov 21045418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov#define UNREACHABLE(msg) do { \ 21145418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov CHECK(0 && msg); \ 21245418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov Die(); \ 2135759d92e99e2b7adcc46a8729f16023208dd8f37Kostya Serebryany} while (0) 21445418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov 21545418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov#define UNIMPLEMENTED() UNREACHABLE("unimplemented") 2168c53e54ef9e713953ec9495e82e5c330b96e49f3Alexey Samsonov 217c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany#define COMPILER_CHECK(pred) IMPL_COMPILER_ASSERT(pred, __LINE__) 218c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany 2194c2ddda9ac80f94782b2b040208831233db578afKostya Serebryany#define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0])) 2204c2ddda9ac80f94782b2b040208831233db578afKostya Serebryany 221c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany#define IMPL_PASTE(a, b) a##b 222c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany#define IMPL_COMPILER_ASSERT(pred, line) \ 223d7ed1f09f316628b2d981a1d8c2cf0f5af30e90eAlexey Samsonov typedef char IMPL_PASTE(assertion_failed_##_, line)[2*(int)(pred)-1] 224c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany 225c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov// Limits for integral types. We have to redefine it in case we don't 226c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov// have stdint.h (like in Visual Studio 9). 227b46941a1d23012491a7a8a52718cacbde3c19ba1Alexey Samsonov#undef __INT64_C 228b46941a1d23012491a7a8a52718cacbde3c19ba1Alexey Samsonov#undef __UINT64_C 2295af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#if SANITIZER_WORDSIZE == 64 230c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __INT64_C(c) c ## L 231c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __UINT64_C(c) c ## UL 232c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#else 233c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __INT64_C(c) c ## LL 234c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __UINT64_C(c) c ## ULL 2355af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#endif // SANITIZER_WORDSIZE == 64 236c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT32_MIN 237c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT32_MIN (-2147483647-1) 238c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT32_MAX 239c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT32_MAX (2147483647) 240c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef UINT32_MAX 241c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define UINT32_MAX (4294967295U) 242c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT64_MIN 243c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT64_MIN (-__INT64_C(9223372036854775807)-1) 244c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT64_MAX 245c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT64_MAX (__INT64_C(9223372036854775807)) 246c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef UINT64_MAX 247c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define UINT64_MAX (__UINT64_C(18446744073709551615)) 248c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov 24970e177e29c6f9ac987b65a79f6b4f3ebdabc75ccAlexey Samsonovenum LinkerInitialized { LINKER_INITIALIZED = 0 }; 25070e177e29c6f9ac987b65a79f6b4f3ebdabc75ccAlexey Samsonov 251b46941a1d23012491a7a8a52718cacbde3c19ba1Alexey Samsonov#if !defined(_MSC_VER) || defined(__clang__) 2521b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CALLER_PC() (uptr)__builtin_return_address(0) 2531b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CURRENT_FRAME() (uptr)__builtin_frame_address(0) 2541b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany#else 25580acccf4647c3482c3e3e6ae21e757ba580a5956Kostya Serebryanyextern "C" void* _ReturnAddress(void); 25680acccf4647c3482c3e3e6ae21e757ba580a5956Kostya Serebryany# pragma intrinsic(_ReturnAddress) 2571b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CALLER_PC() (uptr)_ReturnAddress() 2581b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany// CaptureStackBackTrace doesn't need to know BP on Windows. 2591b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany// FIXME: This macro is still used when printing error reports though it's not 2601b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany// clear if the BP value is needed in the ASan reports on Windows. 2611b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CURRENT_FRAME() (uptr)0xDEADBEEF 2621b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany#endif 2631b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany 2643334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov#define HANDLE_EINTR(res, f) { \ 2653334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov do { \ 2663334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov res = (f); \ 2673334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov } while (res == -1 && errno == EINTR); \ 2683334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov } 2693334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov 2709aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany#endif // SANITIZER_DEFS_H 271