InstrProfilingPort.h revision 360784
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 _MSC_VER 57#include <windows.h> 58#if _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(_MSC_VER) */ 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> 106static 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