sanitizer_internal_defs.h revision 7f790caa37ec1c9807c877297d30e040e83ed215
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 183c80c6c574850106481f82b9e23d1c728458d4a9Timur Iskhodzhanov// Only use SANITIZER_*ATTRIBUTE* before the function return type! 1930e110edf92303237d471f1cb8e3ad07954fb145Evgeniy Stepanov#if SANITIZER_WINDOWS 203c80c6c574850106481f82b9e23d1c728458d4a9Timur Iskhodzhanov# define SANITIZER_INTERFACE_ATTRIBUTE __declspec(dllexport) 213c80c6c574850106481f82b9e23d1c728458d4a9Timur Iskhodzhanov// FIXME find out what we need on Windows, if anything. 22250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_WEAK_ATTRIBUTE 23250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#elif defined(SANITIZER_GO) 24250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_INTERFACE_ATTRIBUTE 25250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_WEAK_ATTRIBUTE 26250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 27250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_INTERFACE_ATTRIBUTE __attribute__((visibility("default"))) 28250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_WEAK_ATTRIBUTE __attribute__((weak)) 29250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 30250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 3178b580f3d40132816f813c3dbf073d824137436aAlexey Samsonov#if SANITIZER_LINUX && !defined(SANITIZER_GO) 32250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_SUPPORTS_WEAK_HOOKS 1 33250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 34250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define SANITIZER_SUPPORTS_WEAK_HOOKS 0 35250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 36250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 3753177247698bfba075f2d5b255a447fc3ced6976Peter Collingbourne#if __LP64__ || defined(_WIN64) 3853177247698bfba075f2d5b255a447fc3ced6976Peter Collingbourne# define SANITIZER_WORDSIZE 64 3953177247698bfba075f2d5b255a447fc3ced6976Peter Collingbourne#else 4053177247698bfba075f2d5b255a447fc3ced6976Peter Collingbourne# define SANITIZER_WORDSIZE 32 4153177247698bfba075f2d5b255a447fc3ced6976Peter Collingbourne#endif 4253177247698bfba075f2d5b255a447fc3ced6976Peter Collingbourne 43e31eca900a1f8849af75100c2d92e838d79d0920Kostya Serebryany// GCC does not understand __has_feature 44250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#if !defined(__has_feature) 45250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov# define __has_feature(x) 0 46250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif 47250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 48250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// For portability reasons we do not include stddef.h, stdint.h or any other 49250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// system header, but we do need some basic types that are not defined 50250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// in a portable way by the language itself. 51250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovnamespace __sanitizer { 52250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 53250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#if defined(_WIN64) 54250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov// 64-bit Windows uses LLP64 data model. 55250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long long uptr; // NOLINT 56250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed long long sptr; // NOLINT 57250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#else 58250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long uptr; // NOLINT 59250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed long sptr; // NOLINT 60250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov#endif // defined(_WIN64) 617f790caa37ec1c9807c877297d30e040e83ed215Bill Wendling#if defined(__x86_64__) 627f790caa37ec1c9807c877297d30e040e83ed215Bill Wendling// Since x32 uses ILP32 data model in 64-bit hardware mode, we must use 637f790caa37ec1c9807c877297d30e040e83ed215Bill Wendling// 64-bit pointer to unwind stack frame. 647f790caa37ec1c9807c877297d30e040e83ed215Bill Wendlingtypedef unsigned long long uhwptr; // NOLINT 657f790caa37ec1c9807c877297d30e040e83ed215Bill Wendling#else 667f790caa37ec1c9807c877297d30e040e83ed215Bill Wendlingtypedef uptr uhwptr; // NOLINT 677f790caa37ec1c9807c877297d30e040e83ed215Bill Wendling#endif 68250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned char u8; 69250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned short u16; // NOLINT 70250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned int u32; 71250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef unsigned long long u64; // NOLINT 72250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed char s8; 73250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed short s16; // NOLINT 74250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed int s32; 75250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovtypedef signed long long s64; // NOLINT 76ee7cc4454421a176d23442382afd9a01d36e7ad4Alexey Samsonovtypedef int fd_t; 77250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 786fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany// WARNING: OFF_T may be different from OS type off_t, depending on the value of 796fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany// _FILE_OFFSET_BITS. This definition of OFF_T matches the ABI of system calls 806fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany// like pread and mmap, as opposed to pread64 and mmap64. 816fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany// Mac and Linux/x86-64 are special. 8230e110edf92303237d471f1cb8e3ad07954fb145Evgeniy Stepanov#if SANITIZER_MAC || (SANITIZER_LINUX && defined(__x86_64__)) 836fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryanytypedef u64 OFF_T; 846fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany#else 856fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryanytypedef uptr OFF_T; 866fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryany#endif 876fb47af2d2d305adbfc3d41bea589d1527a364a9Kostya Serebryanytypedef u64 OFF64_T; 8853177247698bfba075f2d5b255a447fc3ced6976Peter Collingbourne 8953177247698bfba075f2d5b255a447fc3ced6976Peter Collingbourne#if (SANITIZER_WORDSIZE == 64) || SANITIZER_MAC 9053177247698bfba075f2d5b255a447fc3ced6976Peter Collingbournetypedef uptr operator_new_size_type; 9153177247698bfba075f2d5b255a447fc3ced6976Peter Collingbourne#else 9253177247698bfba075f2d5b255a447fc3ced6976Peter Collingbournetypedef u32 operator_new_size_type; 9353177247698bfba075f2d5b255a447fc3ced6976Peter Collingbourne#endif 94250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov} // namespace __sanitizer 95250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 96250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanovextern "C" { 97250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // Tell the tools to write their reports to "path.<pid>" instead of stderr. 98b48c2b2072c8cc17dc1579a6b20ce6c2a575821dDmitry Vyukov // The special values are "stdout" and "stderr". 993c80c6c574850106481f82b9e23d1c728458d4a9Timur Iskhodzhanov SANITIZER_INTERFACE_ATTRIBUTE 1003c80c6c574850106481f82b9e23d1c728458d4a9Timur Iskhodzhanov void __sanitizer_set_report_path(const char *path); 101250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 102250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // Notify the tools that the sandbox is going to be turned on. The reserved 103250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // parameter will be used in the future to hold a structure with functions 104250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov // that the tools may call to bypass the sandbox. 1053c80c6c574850106481f82b9e23d1c728458d4a9Timur Iskhodzhanov SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE 1063c80c6c574850106481f82b9e23d1c728458d4a9Timur Iskhodzhanov void __sanitizer_sandbox_on_notify(void *reserved); 1072673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany 1082673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany // This function is called by the tool when it has just finished reporting 1092673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany // an error. 'error_summary' is a one-line string that summarizes 1102673fd8406197c42f16cede6d287f72169298c2eKostya Serebryany // the error message. This function can be overridden by the client. 1113c80c6c574850106481f82b9e23d1c728458d4a9Timur Iskhodzhanov SANITIZER_INTERFACE_ATTRIBUTE SANITIZER_WEAK_ATTRIBUTE 1123c80c6c574850106481f82b9e23d1c728458d4a9Timur Iskhodzhanov void __sanitizer_report_error_summary(const char *error_summary); 113dbd69cc9ccda50efd0305cd0ce9bad50defe4b42Bob Wilson 114dbd69cc9ccda50efd0305cd0ce9bad50defe4b42Bob Wilson SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_cov_dump(); 115dbd69cc9ccda50efd0305cd0ce9bad50defe4b42Bob Wilson SANITIZER_INTERFACE_ATTRIBUTE void __sanitizer_cov(void *pc); 1162991200255098ac0739952351b2eb2b487819eecKostya Serebryany SANITIZER_INTERFACE_ATTRIBUTE 1172991200255098ac0739952351b2eb2b487819eecKostya Serebryany void __sanitizer_annotate_contiguous_container(void *beg, void *end, 1182991200255098ac0739952351b2eb2b487819eecKostya Serebryany void *old_mid, void *new_mid); 119250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov} // extern "C" 120250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 121250f221ae0dee295098da8aa631977b6c2ebc99bEvgeniy Stepanov 1220a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonovusing namespace __sanitizer; // NOLINT 1239aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// ----------- ATTENTION ------------- 1249aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany// This header should NOT include any other headers to avoid portability issues. 1259aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany 1260a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov// Common defs. 12740e16683f3fdf23dba20d9d0fc2eb00d562cc8dfTimur Iskhodzhanov#define INLINE inline 1280a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov#define INTERFACE_ATTRIBUTE SANITIZER_INTERFACE_ATTRIBUTE 1290a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov#define WEAK SANITIZER_WEAK_ATTRIBUTE 1300a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov 1310a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov// Platform-specific defs. 132bfa45e11e52081c55294355f36fa547f163dcc67Dmitry Vyukov#if defined(_MSC_VER) 13340e16683f3fdf23dba20d9d0fc2eb00d562cc8dfTimur Iskhodzhanov# define ALWAYS_INLINE __forceinline 1340a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov// FIXME(timurrrr): do we need this on Windows? 1350a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIAS(x) 1360a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIGNED(x) __declspec(align(x)) 13715503b0a4331c7f27f9cebc25e25c2e494f61cb9Alexey Samsonov# define FORMAT(f, a) 1380a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NOINLINE __declspec(noinline) 1390a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NORETURN __declspec(noreturn) 1400a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define THREADLOCAL __declspec(thread) 141d51a1a10cba87be50e9ada9fa21337c387edb237Dmitry Vyukov# define NOTHROW 142e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define LIKELY(x) (x) 143e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define UNLIKELY(x) (x) 144e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define UNUSED 145e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov# define USED 146b1bd208bfa496391085056b1709542b80dcfb21eDmitry Vyukov# define PREFETCH(x) /* _mm_prefetch(x, _MM_HINT_NTA) */ 147bfa45e11e52081c55294355f36fa547f163dcc67Dmitry Vyukov#else // _MSC_VER 148d475aa8578f4a1955cdb3e3159eda8b229f8c021Kostya Serebryany# define ALWAYS_INLINE inline __attribute__((always_inline)) 1490a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIAS(x) __attribute__((alias(x))) 1507c9ffde46a475d6dd739e977b547c27ac5968976Timur Iskhodzhanov// Please only use the ALIGNED macro before the type. 1517c9ffde46a475d6dd739e977b547c27ac5968976Timur Iskhodzhanov// Using ALIGNED after the variable declaration is not portable! 1520a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define ALIGNED(x) __attribute__((aligned(x))) 15315503b0a4331c7f27f9cebc25e25c2e494f61cb9Alexey Samsonov# define FORMAT(f, a) __attribute__((format(printf, f, a))) 1540a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NOINLINE __attribute__((noinline)) 1550a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define NORETURN __attribute__((noreturn)) 1560a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define THREADLOCAL __thread 15797daee89b35f6141db09aee612f0f377f754092fDmitry Vyukov# define NOTHROW throw() 1580a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define LIKELY(x) __builtin_expect(!!(x), 1) 1590a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define UNLIKELY(x) __builtin_expect(!!(x), 0) 1602ea978704a794e536d2801affcc7f301092d75daAlexey Samsonov# define UNUSED __attribute__((unused)) 1610a4c906dbc8f150657ddd4f19a7192b779f1d605Alexey Samsonov# define USED __attribute__((used)) 1620c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# if defined(__i386__) || defined(__x86_64__) 1630c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov// __builtin_prefetch(x) generates prefetchnt0 on x86 1640c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# define PREFETCH(x) __asm__("prefetchnta (%0)" : : "r" (x)) 1650c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# else 1660c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# define PREFETCH(x) __builtin_prefetch(x) 1670c7f61c7f0a6981a1722aea325500ce80dc08a04Dmitry Vyukov# endif 168e2462f7461961925f7f20577352c01e867365d8bDmitry Vyukov#endif // _MSC_VER 1699aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany 1707202e79d5457477b9db24daf0af2c6c7464c3378Evgeniy Stepanov// Unaligned versions of basic types. 1717202e79d5457477b9db24daf0af2c6c7464c3378Evgeniy Stepanovtypedef ALIGNED(1) u16 uu16; 1727202e79d5457477b9db24daf0af2c6c7464c3378Evgeniy Stepanovtypedef ALIGNED(1) u32 uu32; 1737202e79d5457477b9db24daf0af2c6c7464c3378Evgeniy Stepanovtypedef ALIGNED(1) u64 uu64; 1747202e79d5457477b9db24daf0af2c6c7464c3378Evgeniy Stepanovtypedef ALIGNED(1) s16 us16; 1757202e79d5457477b9db24daf0af2c6c7464c3378Evgeniy Stepanovtypedef ALIGNED(1) s32 us32; 1767202e79d5457477b9db24daf0af2c6c7464c3378Evgeniy Stepanovtypedef ALIGNED(1) s64 us64; 1777202e79d5457477b9db24daf0af2c6c7464c3378Evgeniy Stepanov 17830e110edf92303237d471f1cb8e3ad07954fb145Evgeniy Stepanov#if SANITIZER_WINDOWS 179bb19294a1195fb320047bace7732f15e85ac4da5Dmitry Vyukovtypedef unsigned long DWORD; // NOLINT 180dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonovtypedef DWORD thread_return_t; 181dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov# define THREAD_CALLING_CONV __stdcall 182dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov#else // _WIN32 183dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonovtypedef void* thread_return_t; 184dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov# define THREAD_CALLING_CONV 185dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov#endif // _WIN32 186dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonovtypedef thread_return_t (THREAD_CALLING_CONV *thread_callback_t)(void* arg); 187dd3a911e46b3f0416d60d9be5c84ccfc4b1c3aa8Alexey Samsonov 18815a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov// NOTE: Functions below must be defined in each run-time. 18915a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonovnamespace __sanitizer { 19015a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonovvoid NORETURN Die(); 191f109267c5320210e69c1b66add801fd5f2e2a452Timur Iskhodzhanov 192f109267c5320210e69c1b66add801fd5f2e2a452Timur Iskhodzhanov// FIXME: No, this shouldn't be in the sanitizer interface. 193f109267c5320210e69c1b66add801fd5f2e2a452Timur IskhodzhanovSANITIZER_INTERFACE_ATTRIBUTE 19415a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonovvoid NORETURN CheckFailed(const char *file, int line, const char *cond, 19515a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov u64 v1, u64 v2); 19615a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov} // namespace __sanitizer 19715a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov 19815a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov// Check macro 199230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov#define RAW_CHECK_MSG(expr, msg) do { \ 200230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov if (!(expr)) { \ 201230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov RawWrite(msg); \ 202230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov Die(); \ 203230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov } \ 204230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov} while (0) 205230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov 206230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov#define RAW_CHECK(expr) RAW_CHECK_MSG(expr, #expr) 207230c3be6cdd094a187f48e27ba0961dbeee70344Alexey Samsonov 20815a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_IMPL(c1, op, c2) \ 20915a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov do { \ 21015a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov __sanitizer::u64 v1 = (u64)(c1); \ 21115a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov __sanitizer::u64 v2 = (u64)(c2); \ 21215a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov if (!(v1 op v2)) \ 21315a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov __sanitizer::CheckFailed(__FILE__, __LINE__, \ 21415a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov "(" #c1 ") " #op " (" #c2 ")", v1, v2); \ 21515a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov } while (false) \ 21615a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov/**/ 21715a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov 21815a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK(a) CHECK_IMPL((a), !=, 0) 21915a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_EQ(a, b) CHECK_IMPL((a), ==, (b)) 22015a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_NE(a, b) CHECK_IMPL((a), !=, (b)) 22115a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_LT(a, b) CHECK_IMPL((a), <, (b)) 22215a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_LE(a, b) CHECK_IMPL((a), <=, (b)) 22315a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_GT(a, b) CHECK_IMPL((a), >, (b)) 22415a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov#define CHECK_GE(a, b) CHECK_IMPL((a), >=, (b)) 22515a77612e0a89c1df444a2034e531c8968d0cedfAlexey Samsonov 226fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#if TSAN_DEBUG 227fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK(a) CHECK(a) 228fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_EQ(a, b) CHECK_EQ(a, b) 229fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_NE(a, b) CHECK_NE(a, b) 230fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LT(a, b) CHECK_LT(a, b) 231fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LE(a, b) CHECK_LE(a, b) 232fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GT(a, b) CHECK_GT(a, b) 233fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GE(a, b) CHECK_GE(a, b) 234fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#else 235fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK(a) 236fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_EQ(a, b) 237fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_NE(a, b) 238fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LT(a, b) 239fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_LE(a, b) 240fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GT(a, b) 241fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#define DCHECK_GE(a, b) 242fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov#endif 243fce5bd4cc29fddb5e8f0cb9c12df7c10187a991dDmitry Vyukov 24445418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov#define UNREACHABLE(msg) do { \ 24545418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov CHECK(0 && msg); \ 24645418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov Die(); \ 2475759d92e99e2b7adcc46a8729f16023208dd8f37Kostya Serebryany} while (0) 24845418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov 24945418d1ccb083cad3cb84e0b8184adfb85876fc5Alexey Samsonov#define UNIMPLEMENTED() UNREACHABLE("unimplemented") 2508c53e54ef9e713953ec9495e82e5c330b96e49f3Alexey Samsonov 251c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany#define COMPILER_CHECK(pred) IMPL_COMPILER_ASSERT(pred, __LINE__) 252c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany 2534c2ddda9ac80f94782b2b040208831233db578afKostya Serebryany#define ARRAY_SIZE(a) (sizeof(a)/sizeof((a)[0])) 2544c2ddda9ac80f94782b2b040208831233db578afKostya Serebryany 255c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany#define IMPL_PASTE(a, b) a##b 256c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany#define IMPL_COMPILER_ASSERT(pred, line) \ 257d7ed1f09f316628b2d981a1d8c2cf0f5af30e90eAlexey Samsonov typedef char IMPL_PASTE(assertion_failed_##_, line)[2*(int)(pred)-1] 258c375657778e8a72d566e29951060b7eadc749b0dKostya Serebryany 259c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov// Limits for integral types. We have to redefine it in case we don't 260c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov// have stdint.h (like in Visual Studio 9). 261b46941a1d23012491a7a8a52718cacbde3c19ba1Alexey Samsonov#undef __INT64_C 262b46941a1d23012491a7a8a52718cacbde3c19ba1Alexey Samsonov#undef __UINT64_C 2635af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#if SANITIZER_WORDSIZE == 64 264c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __INT64_C(c) c ## L 265c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __UINT64_C(c) c ## UL 266c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#else 267c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __INT64_C(c) c ## LL 268c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov# define __UINT64_C(c) c ## ULL 2695af39e50366f1aacbebc284f572f08ad1ad07357Kostya Serebryany#endif // SANITIZER_WORDSIZE == 64 270c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT32_MIN 271c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT32_MIN (-2147483647-1) 272c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT32_MAX 273c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT32_MAX (2147483647) 274c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef UINT32_MAX 275c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define UINT32_MAX (4294967295U) 276c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT64_MIN 277c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT64_MIN (-__INT64_C(9223372036854775807)-1) 278c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef INT64_MAX 279c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define INT64_MAX (__INT64_C(9223372036854775807)) 280c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#undef UINT64_MAX 281c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov#define UINT64_MAX (__UINT64_C(18446744073709551615)) 282c925697df6626bb0ea27ea96539bf0580f8f3d3dAlexey Samsonov 28370e177e29c6f9ac987b65a79f6b4f3ebdabc75ccAlexey Samsonovenum LinkerInitialized { LINKER_INITIALIZED = 0 }; 28470e177e29c6f9ac987b65a79f6b4f3ebdabc75ccAlexey Samsonov 285b46941a1d23012491a7a8a52718cacbde3c19ba1Alexey Samsonov#if !defined(_MSC_VER) || defined(__clang__) 2861b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CALLER_PC() (uptr)__builtin_return_address(0) 2871b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CURRENT_FRAME() (uptr)__builtin_frame_address(0) 2881b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany#else 28980acccf4647c3482c3e3e6ae21e757ba580a5956Kostya Serebryanyextern "C" void* _ReturnAddress(void); 29080acccf4647c3482c3e3e6ae21e757ba580a5956Kostya Serebryany# pragma intrinsic(_ReturnAddress) 2911b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CALLER_PC() (uptr)_ReturnAddress() 2921b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany// CaptureStackBackTrace doesn't need to know BP on Windows. 2931b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany// FIXME: This macro is still used when printing error reports though it's not 2941b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany// clear if the BP value is needed in the ASan reports on Windows. 2951b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany# define GET_CURRENT_FRAME() (uptr)0xDEADBEEF 2961b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany#endif 2971b5ea8fbbef73f5d9b41dbb26a21b9a0f4d1445eKostya Serebryany 2989578a3ecfc35a264ede1135033398e2a77a6cad6Peter Collingbourne#define HANDLE_EINTR(res, f) \ 2999578a3ecfc35a264ede1135033398e2a77a6cad6Peter Collingbourne { \ 3009578a3ecfc35a264ede1135033398e2a77a6cad6Peter Collingbourne int rverrno; \ 3019578a3ecfc35a264ede1135033398e2a77a6cad6Peter Collingbourne do { \ 3029578a3ecfc35a264ede1135033398e2a77a6cad6Peter Collingbourne res = (f); \ 3039578a3ecfc35a264ede1135033398e2a77a6cad6Peter Collingbourne } while (internal_iserror(res, &rverrno) && rverrno == EINTR); \ 3043334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov } 3053334e12d33261cb8f211f2f49f28ddfa027a40c3Evgeniy Stepanov 3069aead37421a6e4bf43265e5195c6ac31fc519982Kostya Serebryany#endif // SANITIZER_DEFS_H 307