1 /*===- InstrProfilingPort.h- Support library for PGO instrumentation ------===*\ 2 |* 3 |* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 |* See https://llvm.org/LICENSE.txt for license information. 5 |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 |* 7 \*===----------------------------------------------------------------------===*/ 8 9 /* This header must be included after all others so it can provide fallback 10 definitions for stuff missing in system headers. */ 11 12 #ifndef PROFILE_INSTRPROFILING_PORT_H_ 13 #define PROFILE_INSTRPROFILING_PORT_H_ 14 15 #ifdef _MSC_VER 16 #define COMPILER_RT_ALIGNAS(x) __declspec(align(x)) 17 #define COMPILER_RT_VISIBILITY 18 /* FIXME: selectany does not have the same semantics as weak. */ 19 #define COMPILER_RT_WEAK __declspec(selectany) 20 /* Need to include <windows.h> */ 21 #define COMPILER_RT_ALLOCA _alloca 22 /* Need to include <stdio.h> and <io.h> */ 23 #define COMPILER_RT_FTRUNCATE(f,l) _chsize(_fileno(f),l) 24 #define COMPILER_RT_ALWAYS_INLINE __forceinline 25 #define COMPILER_RT_CLEANUP(x) 26 #elif __GNUC__ 27 #define COMPILER_RT_ALIGNAS(x) __attribute__((aligned(x))) 28 #define COMPILER_RT_VISIBILITY __attribute__((visibility("hidden"))) 29 #define COMPILER_RT_WEAK __attribute__((weak)) 30 #define COMPILER_RT_ALLOCA __builtin_alloca 31 #define COMPILER_RT_FTRUNCATE(f,l) ftruncate(fileno(f),l) 32 #define COMPILER_RT_ALWAYS_INLINE inline __attribute((always_inline)) 33 #define COMPILER_RT_CLEANUP(x) __attribute__((cleanup(x))) 34 #endif 35 36 #if defined(__APPLE__) 37 #define COMPILER_RT_SEG "__DATA," 38 #else 39 #define COMPILER_RT_SEG "" 40 #endif 41 42 #ifdef _MSC_VER 43 #define COMPILER_RT_SECTION(Sect) __declspec(allocate(Sect)) 44 #else 45 #define COMPILER_RT_SECTION(Sect) __attribute__((section(Sect))) 46 #endif 47 48 #define COMPILER_RT_MAX_HOSTLEN 128 49 #ifdef __ORBIS__ 50 #define COMPILER_RT_GETHOSTNAME(Name, Len) ((void)(Name), (void)(Len), (-1)) 51 #else 52 #define COMPILER_RT_GETHOSTNAME(Name, Len) lprofGetHostName(Name, Len) 53 #endif 54 55 #if COMPILER_RT_HAS_ATOMICS == 1 56 #ifdef _WIN32 57 #include <windows.h> 58 #if defined(_MSC_VER) && _MSC_VER < 1900 59 #define snprintf _snprintf 60 #endif 61 #if defined(_WIN64) 62 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \ 63 (InterlockedCompareExchange64((LONGLONG volatile *)Ptr, (LONGLONG)NewV, \ 64 (LONGLONG)OldV) == (LONGLONG)OldV) 65 #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \ 66 (DomType *)InterlockedExchangeAdd64((LONGLONG volatile *)&PtrVar, \ 67 (LONGLONG)sizeof(DomType) * PtrIncr) 68 #else /* !defined(_WIN64) */ 69 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \ 70 (InterlockedCompareExchange((LONG volatile *)Ptr, (LONG)NewV, (LONG)OldV) == \ 71 (LONG)OldV) 72 #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \ 73 (DomType *)InterlockedExchangeAdd((LONG volatile *)&PtrVar, \ 74 (LONG)sizeof(DomType) * PtrIncr) 75 #endif 76 #else /* !defined(_WIN32) */ 77 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \ 78 __sync_bool_compare_and_swap(Ptr, OldV, NewV) 79 #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \ 80 (DomType *)__sync_fetch_and_add((long *)&PtrVar, sizeof(DomType) * PtrIncr) 81 #endif 82 #else /* COMPILER_RT_HAS_ATOMICS != 1 */ 83 #include "InstrProfilingUtil.h" 84 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \ 85 lprofBoolCmpXchg((void **)Ptr, OldV, NewV) 86 #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \ 87 (DomType *)lprofPtrFetchAdd((void **)&PtrVar, sizeof(DomType) * PtrIncr) 88 #endif 89 90 #if defined(_WIN32) 91 #define DIR_SEPARATOR '\\' 92 #define DIR_SEPARATOR_2 '/' 93 #else 94 #define DIR_SEPARATOR '/' 95 #endif 96 97 #ifndef DIR_SEPARATOR_2 98 #define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) 99 #else /* DIR_SEPARATOR_2 */ 100 #define IS_DIR_SEPARATOR(ch) \ 101 (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) 102 #endif /* DIR_SEPARATOR_2 */ 103 104 #if defined(_WIN32) 105 #include <windows.h> 106 static inline size_t getpagesize() { 107 SYSTEM_INFO S; 108 GetNativeSystemInfo(&S); 109 return S.dwPageSize; 110 } 111 #else /* defined(_WIN32) */ 112 #include <unistd.h> 113 #endif /* defined(_WIN32) */ 114 115 #define PROF_ERR(Format, ...) \ 116 fprintf(stderr, "LLVM Profile Error: " Format, __VA_ARGS__); 117 118 #define PROF_WARN(Format, ...) \ 119 fprintf(stderr, "LLVM Profile Warning: " Format, __VA_ARGS__); 120 121 #define PROF_NOTE(Format, ...) \ 122 fprintf(stderr, "LLVM Profile Note: " Format, __VA_ARGS__); 123 124 #ifndef MAP_FILE 125 #define MAP_FILE 0 126 #endif 127 128 #ifndef O_BINARY 129 #define O_BINARY 0 130 #endif 131 132 #if defined(__FreeBSD__) 133 134 #include <inttypes.h> 135 #include <sys/types.h> 136 137 #else /* defined(__FreeBSD__) */ 138 139 #include <inttypes.h> 140 #include <stdint.h> 141 142 #endif /* defined(__FreeBSD__) && defined(__i386__) */ 143 144 #endif /* PROFILE_INSTRPROFILING_PORT_H_ */ 145