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