sanitizer_internal_defs.h revision 78b580f3d40132816f813c3dbf073d824137436a
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 1624e13723f8477d8c42ab8b2a7f4f69fc089842f1Evgeniy Stepanov#include "sanitizer_platform.h" 1783cb7877f608eb9b3d65981095216842f686c527Evgeniy Stepanov 1830e110edf92303237d471f1cb8e3ad07954fb145Evgeniy Stepanov#if SANITIZER_WINDOWS 19250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// FIXME find out what we need on Windows. __declspec(dllexport) ? 20250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_INTERFACE_ATTRIBUTE 21250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_WEAK_ATTRIBUTE 22250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#elif defined(SANITIZER_GO) 23250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_INTERFACE_ATTRIBUTE 24250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_WEAK_ATTRIBUTE 25250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 26250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_INTERFACE_ATTRIBUTE __attribute__((visibility("default"))) 27250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_WEAK_ATTRIBUTE __attribute__((weak)) 28250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 29250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 3078b580f3d40132816f813c3dbf073d824137436aAlexey Samsonov#if SANITIZER_LINUX && !defined(SANITIZER_GO) 31250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_SUPPORTS_WEAK_HOOKS 1 32250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 33250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_SUPPORTS_WEAK_HOOKS 0 34250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 35250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 36e31eca900a1f8849af75100c2d92e838d79d0920Kostya Serebryany// GCC does not understand __has_feature 37250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#if !defined(__has_feature) 38250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define __has_feature(x) 0 39250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 40250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 41250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// For portability reasons we do not include stddef.h, stdint.h or any other 42250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// system header, but we do need some basic types that are not defined 43250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// in a portable way by the language itself. 44250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovnamespace __sanitizer { 45250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 46250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#if defined(_WIN64) 47250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// 64-bit Windows uses LLP64 data model. 48250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long long uptr; // NOLINT 49250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed long long sptr; // NOLINT 50250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 51250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long uptr; // NOLINT 52250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed long sptr; // NOLINT 53250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif // defined(_WIN64) 54250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#if defined(__x86_64__) 55250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// Since x32 uses ILP32 data model in 64-bit hardware mode, we must use 56250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// 64-bit pointer to unwind stack frame. 57250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long long uhwptr; // NOLINT 58250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 59250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef uptr uhwptr; // NOLINT 60250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 61250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned char u8; 62250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned short u16; // NOLINT 63250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned int u32; 64250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long long u64; // NOLINT 65250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed char s8; 66250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed short s16; // NOLINT 67250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed int s32; 68250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed long long s64; // NOLINT 69ee7cc4454421a176d23442382afd9a01d36e7ad4Alexey Samsonovtypedef int fd_t; 70250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 716fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany// WARNING: OFF_T may be different from OS type off_t, depending on the value of 726fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany// _FILE_OFFSET_BITS. This definition of OFF_T matches the ABI of system calls 736fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany// like pread and mmap, as opposed to pread64 and mmap64. 746fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany// Mac and Linux/x86-64 are special. 7530e110edf92303237d471f1cb8e3ad07954fb145Evgeniy Stepanov#if SANITIZER_MAC || (SANITIZER_LINUX && defined(__x86_64__)) 766fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryanytypedef u64 OFF_T; 776fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany#else 786fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryanytypedef uptr OFF_T; 796fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany#endif 806fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryanytypedef u64 OFF64_T; 81250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov} // namespace __sanitizer 82250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 83250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovextern "C" { 84250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // Tell the tools to write their reports to "path.<pid>" instead of stderr. 85250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov void __sanitizer_set_report_path(const char *path) 86250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov SANITIZER_INTERFACE_ATTRIBUTE; 87250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 88250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // Tell the tools to write their reports to given file descriptor instead of 89250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // stderr. 90250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov void __sanitizer_set_report_fd(int fd) 91250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov SANITIZER_INTERFACE_ATTRIBUTE; 92250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 93250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // Notify the tools that the sandbox is going to be turned on. The reserved 94250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // parameter will be used in the future to hold a structure with functions 95250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // that the tools may call to bypass the sandbox. 96250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov void __sanitizer_sandbox_on_notify(void *reserved) 97250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE; 982673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany 992673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany // This function is called by the tool when it has just finished reporting 1002673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany // an error. 'error_summary' is a one-line string that summarizes 1012673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany // the error message. This function can be overridden by the client. 1022673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany void __sanitizer_report_error_summary(const char *error_summary) 1032673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany SANITIZER_WEAK_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE; 104250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov} // extern "C" 105250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 106250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 1070a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonovusing namespace __sanitizer; // NOLINT 1089aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// ----------- ATTENTION ------------- 1099aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// This header should NOT include any other headers to avoid portability issues. 1109aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany 1110a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov// Common defs. 1120a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov#define INLINE static inline 1130a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov#define INTERFACE_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE 1140a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov#define WEAK SANITIZER_WEAK_ATTRIBUTE 1150a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov 1160a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov// Platform-specific defs. 117bfa45e11e52081c55294355f36fa547f163dcc67Dmitry Vyukov#if defined(_MSC_VER) 11866b4a28651f3930750ab8cba1916f575fff50215Timur Iskhodzhanov# define ALWAYS_INLINE static __forceinline 1190a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov// FIXME(timurrrr): do we need this on Windows? 1200a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIAS(x) 1210a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIGNED(x) __declspec(align(x)) 12215503b0a4331c7f27f9cebc25e25c2e494f61cb9Alexey Samsonov# define FORMAT(f, a) 1230a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NOINLINE __declspec(noinline) 1240a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NORETURN __declspec(noreturn) 1250a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define THREADLOCAL __declspec(thread) 126d51a1a10cba87be50e9ada9fa21337c387edb237Dmitry Vyukov# define NOTHROW 127e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define LIKELY(x) (x) 128e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define UNLIKELY(x) (x) 129e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define UNUSED 130e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define USED 131b1bd208bfa496391085056b1709542b80dcfb21eDmitry Vyukov# define PREFETCH(x) /* _mm_prefetch(x, _MM_HINT_NTA) */ 132bfa45e11e52081c55294355f36fa547f163dcc67Dmitry Vyukov#else // _MSC_VER 133d475aa8578f4a1955cdb3e3159eda8b229f8c021Kostya Serebryany# define ALWAYS_INLINE inline __attribute__((always_inline)) 1340a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIAS(x) __attribute__((alias(x))) 1350a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIGNED(x) __attribute__((aligned(x))) 13615503b0a4331c7f27f9cebc25e25c2e494f61cb9Alexey Samsonov# define FORMAT(f, a) __attribute__((format(printf, f, a))) 1370a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NOINLINE __attribute__((noinline)) 1380a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NORETURN __attribute__((noreturn)) 1390a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define THREADLOCAL __thread 14097daee89b35f6141db09aee612f0f377f754092fDmitry Vyukov# define NOTHROW throw() 1410a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define LIKELY(x) __builtin_expect(!!(x), 1) 1420a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define UNLIKELY(x) __builtin_expect(!!(x), 0) 1432ea978704a794e536d2801affcc7f301092d75daAlexey Samsonov# define UNUSED __attribute__((unused)) 1440a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define USED __attribute__((used)) 1450c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# if defined(__i386__) || defined(__x86_64__) 1460c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov// __builtin_prefetch(x) generates prefetchnt0 on x86 1470c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# define PREFETCH(x) __asm__("prefetchnta (%0)" : : "r" (x)) 1480c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# else 1490c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# define PREFETCH(x) __builtin_prefetch(x) 1500c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# endif 151e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov#endif // _MSC_VER 1529aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany 15330e110edf92303237d471f1cb8e3ad07954fb145Evgeniy Stepanov#if SANITIZER_WINDOWS 154bb19294a1195fb320047bace7732f15e85ac4da5Dmitry Vyukovtypedef unsigned long DWORD; // NOLINT 155dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonovtypedef DWORD thread_return_t; 156dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov# define THREAD_CALLING_CONV __stdcall 157dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov#else // _WIN32 158dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonovtypedef void* thread_return_t; 159dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov# define THREAD_CALLING_CONV 160dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov#endif // _WIN32 161dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonovtypedef thread_return_t (THREAD_CALLING_CONV *thread_callback_t)(void* arg); 162dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov 1635af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#if __LP64__ || defined(_WIN64) 1645af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany# define SANITIZER_WORDSIZE 64 1655af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#else 1665af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany# define SANITIZER_WORDSIZE 32 1675af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#endif 1689aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany 16915a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov// NOTE: Functions below must be defined in each run-time. 17015a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonovnamespace __sanitizer { 17115a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonovvoid NORETURN Die(); 17215a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonovvoid NORETURN CheckFailed(const char *file, int line, const char *cond, 17315a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov u64 v1, u64 v2); 17415a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov} // namespace __sanitizer 17515a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov 17615a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov// Check macro 177230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov#define RAW_CHECK_MSG(expr, msg) do { \ 178230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov if (!(expr)) { \ 179230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov RawWrite(msg); \ 180230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov Die(); \ 181230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov } \ 182230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov} while (0) 183230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov 184230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov#define RAW_CHECK(expr) RAW_CHECK_MSG(expr, #expr) 185230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov 18615a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_IMPL(c1, op, c2) \ 18715a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov do { \ 18815a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov __sanitizer::u64 v1 = (u64)(c1); \ 18915a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov __sanitizer::u64 v2 = (u64)(c2); \ 19015a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov if (!(v1 op v2)) \ 19115a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov __sanitizer::CheckFailed(__FILE__, __LINE__, \ 19215a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov "(" #c1 ") " #op " (" #c2 ")", v1, v2); \ 19315a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov } while (false) \ 19415a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov/**/ 19515a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov 19615a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK(a) CHECK_IMPL((a), !=, 0) 19715a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_EQ(a, b) CHECK_IMPL((a), ==, (b)) 19815a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_NE(a, b) CHECK_IMPL((a), !=, (b)) 19915a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_LT(a, b) CHECK_IMPL((a), <, (b)) 20015a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_LE(a, b) CHECK_IMPL((a), <=, (b)) 20115a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_GT(a, b) CHECK_IMPL((a), >, (b)) 20215a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_GE(a, b) CHECK_IMPL((a), >=, (b)) 20315a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov 204fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#if TSAN_DEBUG 205fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK(a) CHECK(a) 206fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_EQ(a, b) CHECK_EQ(a, b) 207fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_NE(a, b) CHECK_NE(a, b) 208fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LT(a, b) CHECK_LT(a, b) 209fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LE(a, b) CHECK_LE(a, b) 210fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GT(a, b) CHECK_GT(a, b) 211fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GE(a, b) CHECK_GE(a, b) 212fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#else 213fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK(a) 214fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_EQ(a, b) 215fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_NE(a, b) 216fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LT(a, b) 217fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LE(a, b) 218fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GT(a, b) 219fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GE(a, b) 220fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#endif 221fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov 22245418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov#define UNREACHABLE(msg) do { \ 22345418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov CHECK(0 && msg); \ 22445418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov Die(); \ 2255759d92e99e2b7adcc46a8729f16023208dd8f37Kostya Serebryany} while (0) 22645418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov 22745418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov#define UNIMPLEMENTED() UNREACHABLE("unimplemented") 2288c53e54ef9e713953ec9495e82e5c330b96e49f3Alexey Samsonov 229c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany#define COMPILER_CHECK(pred) IMPL_COMPILER_ASSERT(pred, __LINE__) 230c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany 2314c2ddda9ac80f94782b2b040208831233db578afKostya Serebryany#define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0])) 2324c2ddda9ac80f94782b2b040208831233db578afKostya Serebryany 233c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany#define IMPL_PASTE(a, b) a##b 234c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany#define IMPL_COMPILER_ASSERT(pred, line) \ 235d7ed1f09f316628b2d981a1d8c2cf0f5af30e90eAlexey Samsonov typedef char IMPL_PASTE(assertion_failed_##_, line)[2*(int)(pred)-1] 236c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany 237c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov// Limits for integral types. We have to redefine it in case we don't 238c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov// have stdint.h (like in Visual Studio 9). 239b46941a1d23012491a7a8a52718cacbde3c19ba1Alexey Samsonov#undef __INT64_C 240b46941a1d23012491a7a8a52718cacbde3c19ba1Alexey Samsonov#undef __UINT64_C 2415af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#if SANITIZER_WORDSIZE == 64 242c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __INT64_C(c) c ## L 243c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __UINT64_C(c) c ## UL 244c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#else 245c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __INT64_C(c) c ## LL 246c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __UINT64_C(c) c ## ULL 2475af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#endif // SANITIZER_WORDSIZE == 64 248c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT32_MIN 249c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT32_MIN (-2147483647-1) 250c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT32_MAX 251c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT32_MAX (2147483647) 252c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef UINT32_MAX 253c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define UINT32_MAX (4294967295U) 254c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT64_MIN 255c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT64_MIN (-__INT64_C(9223372036854775807)-1) 256c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT64_MAX 257c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT64_MAX (__INT64_C(9223372036854775807)) 258c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef UINT64_MAX 259c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define UINT64_MAX (__UINT64_C(18446744073709551615)) 260c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov 26170e177e29c6f9ac987b65a79f6b4f3ebdabc75ccAlexey Samsonovenum LinkerInitialized { LINKER_INITIALIZED = 0 }; 26270e177e29c6f9ac987b65a79f6b4f3ebdabc75ccAlexey Samsonov 263b46941a1d23012491a7a8a52718cacbde3c19ba1Alexey Samsonov#if !defined(_MSC_VER) || defined(__clang__) 2641b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CALLER_PC() (uptr)__builtin_return_address(0) 2651b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CURRENT_FRAME() (uptr)__builtin_frame_address(0) 2661b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany#else 26780acccf4647c3482c3e3e6ae21e757ba580a5956Kostya Serebryanyextern "C" void* _ReturnAddress(void); 26880acccf4647c3482c3e3e6ae21e757ba580a5956Kostya Serebryany# pragma intrinsic(_ReturnAddress) 2691b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CALLER_PC() (uptr)_ReturnAddress() 2701b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany// CaptureStackBackTrace doesn't need to know BP on Windows. 2711b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany// FIXME: This macro is still used when printing error reports though it's not 2721b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany// clear if the BP value is needed in the ASan reports on Windows. 2731b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CURRENT_FRAME() (uptr)0xDEADBEEF 2741b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany#endif 2751b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany 2763334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov#define HANDLE_EINTR(res, f) { \ 2773334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov do { \ 2783334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov res = (f); \ 2793334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov } while (res == -1 && errno == EINTR); \ 2803334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov } 2813334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov 2829aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany#endif // SANITIZER_DEFS_H 283