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 #define COMPILER_RT_USED 27 #elif __GNUC__ 28 #ifdef _WIN32 29 #define COMPILER_RT_FTRUNCATE(f, l) _chsize(fileno(f), l) 30 #define COMPILER_RT_VISIBILITY 31 #define COMPILER_RT_WEAK __attribute__((selectany)) 32 #else 33 #define COMPILER_RT_FTRUNCATE(f, l) ftruncate(fileno(f), l) 34 #define COMPILER_RT_VISIBILITY __attribute__((visibility("hidden"))) 35 #define COMPILER_RT_WEAK __attribute__((weak)) 36 #endif 37 #define COMPILER_RT_ALIGNAS(x) __attribute__((aligned(x))) 38 #define COMPILER_RT_ALLOCA __builtin_alloca 39 #define COMPILER_RT_ALWAYS_INLINE inline __attribute((always_inline)) 40 #define COMPILER_RT_CLEANUP(x) __attribute__((cleanup(x))) 41 #define COMPILER_RT_USED __attribute__((used)) 42 #endif 43 44 #if defined(__APPLE__) 45 #define COMPILER_RT_SEG "__DATA," 46 #else 47 #define COMPILER_RT_SEG "" 48 #endif 49 50 #ifdef _MSC_VER 51 #define COMPILER_RT_SECTION(Sect) __declspec(allocate(Sect)) 52 #else 53 #define COMPILER_RT_SECTION(Sect) __attribute__((section(Sect))) 54 #endif 55 56 #define COMPILER_RT_MAX_HOSTLEN 128 57 #ifdef __ORBIS__ 58 #define COMPILER_RT_GETHOSTNAME(Name, Len) ((void)(Name), (void)(Len), (-1)) 59 #else 60 #define COMPILER_RT_GETHOSTNAME(Name, Len) lprofGetHostName(Name, Len) 61 #endif 62 63 #if COMPILER_RT_HAS_ATOMICS == 1 64 #ifdef _WIN32 65 #include <windows.h> 66 #if defined(_MSC_VER) && _MSC_VER < 1900 67 #define snprintf _snprintf 68 #endif 69 #if defined(_WIN64) 70 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \ 71 (InterlockedCompareExchange64((LONGLONG volatile *)Ptr, (LONGLONG)NewV, \ 72 (LONGLONG)OldV) == (LONGLONG)OldV) 73 #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \ 74 (DomType *)InterlockedExchangeAdd64((LONGLONG volatile *)&PtrVar, \ 75 (LONGLONG)sizeof(DomType) * PtrIncr) 76 #else /* !defined(_WIN64) */ 77 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \ 78 (InterlockedCompareExchange((LONG volatile *)Ptr, (LONG)NewV, (LONG)OldV) == \ 79 (LONG)OldV) 80 #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \ 81 (DomType *)InterlockedExchangeAdd((LONG volatile *)&PtrVar, \ 82 (LONG)sizeof(DomType) * PtrIncr) 83 #endif 84 #else /* !defined(_WIN32) */ 85 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \ 86 __sync_bool_compare_and_swap(Ptr, OldV, NewV) 87 #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \ 88 (DomType *)__sync_fetch_and_add((long *)&PtrVar, sizeof(DomType) * PtrIncr) 89 #endif 90 #else /* COMPILER_RT_HAS_ATOMICS != 1 */ 91 #include "InstrProfilingUtil.h" 92 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \ 93 lprofBoolCmpXchg((void **)Ptr, OldV, NewV) 94 #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \ 95 (DomType *)lprofPtrFetchAdd((void **)&PtrVar, sizeof(DomType) * PtrIncr) 96 #endif 97 98 #if defined(_WIN32) 99 #define DIR_SEPARATOR '\\' 100 #define DIR_SEPARATOR_2 '/' 101 #else 102 #define DIR_SEPARATOR '/' 103 #endif 104 105 #ifndef DIR_SEPARATOR_2 106 #define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR) 107 #else /* DIR_SEPARATOR_2 */ 108 #define IS_DIR_SEPARATOR(ch) \ 109 (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2)) 110 #endif /* DIR_SEPARATOR_2 */ 111 112 #if defined(_WIN32) 113 #include <windows.h> 114 static inline size_t getpagesize() { 115 SYSTEM_INFO S; 116 GetNativeSystemInfo(&S); 117 return S.dwPageSize; 118 } 119 #else /* defined(_WIN32) */ 120 #include <unistd.h> 121 #endif /* defined(_WIN32) */ 122 123 #define PROF_ERR(Format, ...) \ 124 fprintf(stderr, "LLVM Profile Error: " Format, __VA_ARGS__); 125 126 #define PROF_WARN(Format, ...) \ 127 fprintf(stderr, "LLVM Profile Warning: " Format, __VA_ARGS__); 128 129 #define PROF_NOTE(Format, ...) \ 130 fprintf(stderr, "LLVM Profile Note: " Format, __VA_ARGS__); 131 132 #ifndef MAP_FILE 133 #define MAP_FILE 0 134 #endif 135 136 #ifndef O_BINARY 137 #define O_BINARY 0 138 #endif 139 140 #if defined(__FreeBSD__) 141 142 #include <inttypes.h> 143 #include <sys/types.h> 144 145 #else /* defined(__FreeBSD__) */ 146 147 #include <inttypes.h> 148 #include <stdint.h> 149 150 #endif /* defined(__FreeBSD__) && defined(__i386__) */ 151 152 #endif /* PROFILE_INSTRPROFILING_PORT_H_ */ 153