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> 114static 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