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- /*===- InstrProfilingPort.h- Support library for PGO instrumentation ------===*\
- |*
- |* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
- |* See https://llvm.org/LICENSE.txt for license information.
- |* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- |*
- \*===----------------------------------------------------------------------===*/
- /* This header must be included after all others so it can provide fallback
- definitions for stuff missing in system headers. */
- #ifndef PROFILE_INSTRPROFILING_PORT_H_
- #define PROFILE_INSTRPROFILING_PORT_H_
- #ifdef _MSC_VER
- #define COMPILER_RT_ALIGNAS(x) __declspec(align(x))
- #define COMPILER_RT_VISIBILITY
- /* FIXME: selectany does not have the same semantics as weak. */
- #define COMPILER_RT_WEAK __declspec(selectany)
- /* Need to include <windows.h> */
- #define COMPILER_RT_ALLOCA _alloca
- /* Need to include <stdio.h> and <io.h> */
- #define COMPILER_RT_FTRUNCATE(f,l) _chsize(_fileno(f),l)
- #define COMPILER_RT_ALWAYS_INLINE __forceinline
- #define COMPILER_RT_CLEANUP(x)
- #define COMPILER_RT_USED
- #elif __GNUC__
- #ifdef _WIN32
- #define COMPILER_RT_FTRUNCATE(f, l) _chsize(fileno(f), l)
- #define COMPILER_RT_VISIBILITY
- #define COMPILER_RT_WEAK __attribute__((selectany))
- #else
- #define COMPILER_RT_FTRUNCATE(f, l) ftruncate(fileno(f), l)
- #define COMPILER_RT_VISIBILITY __attribute__((visibility("hidden")))
- #define COMPILER_RT_WEAK __attribute__((weak))
- #endif
- #define COMPILER_RT_ALIGNAS(x) __attribute__((aligned(x)))
- #define COMPILER_RT_ALLOCA __builtin_alloca
- #define COMPILER_RT_ALWAYS_INLINE inline __attribute((always_inline))
- #define COMPILER_RT_CLEANUP(x) __attribute__((cleanup(x)))
- #define COMPILER_RT_USED __attribute__((used))
- #endif
- #if defined(__APPLE__)
- #define COMPILER_RT_SEG "__DATA,"
- #else
- #define COMPILER_RT_SEG ""
- #endif
- #ifdef _MSC_VER
- #define COMPILER_RT_SECTION(Sect) __declspec(allocate(Sect))
- #else
- #define COMPILER_RT_SECTION(Sect) __attribute__((section(Sect)))
- #endif
- #define COMPILER_RT_MAX_HOSTLEN 128
- #ifdef __ORBIS__
- #define COMPILER_RT_GETHOSTNAME(Name, Len) ((void)(Name), (void)(Len), (-1))
- #else
- #define COMPILER_RT_GETHOSTNAME(Name, Len) lprofGetHostName(Name, Len)
- #endif
- #if COMPILER_RT_HAS_ATOMICS == 1
- #ifdef _WIN32
- #include <windows.h>
- #if defined(_MSC_VER) && _MSC_VER < 1900
- #define snprintf _snprintf
- #endif
- #if defined(_WIN64)
- #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \
- (InterlockedCompareExchange64((LONGLONG volatile *)Ptr, (LONGLONG)NewV, \
- (LONGLONG)OldV) == (LONGLONG)OldV)
- #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \
- (DomType *)InterlockedExchangeAdd64((LONGLONG volatile *)&PtrVar, \
- (LONGLONG)sizeof(DomType) * PtrIncr)
- #else /* !defined(_WIN64) */
- #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \
- (InterlockedCompareExchange((LONG volatile *)Ptr, (LONG)NewV, (LONG)OldV) == \
- (LONG)OldV)
- #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \
- (DomType *)InterlockedExchangeAdd((LONG volatile *)&PtrVar, \
- (LONG)sizeof(DomType) * PtrIncr)
- #endif
- #else /* !defined(_WIN32) */
- #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \
- __sync_bool_compare_and_swap(Ptr, OldV, NewV)
- #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \
- (DomType *)__sync_fetch_and_add((long *)&PtrVar, sizeof(DomType) * PtrIncr)
- #endif
- #else /* COMPILER_RT_HAS_ATOMICS != 1 */
- #include "InstrProfilingUtil.h"
- #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV) \
- lprofBoolCmpXchg((void **)Ptr, OldV, NewV)
- #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \
- (DomType *)lprofPtrFetchAdd((void **)&PtrVar, sizeof(DomType) * PtrIncr)
- #endif
- #if defined(_WIN32)
- #define DIR_SEPARATOR '\\'
- #define DIR_SEPARATOR_2 '/'
- #else
- #define DIR_SEPARATOR '/'
- #endif
- #ifndef DIR_SEPARATOR_2
- #define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
- #else /* DIR_SEPARATOR_2 */
- #define IS_DIR_SEPARATOR(ch) \
- (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
- #endif /* DIR_SEPARATOR_2 */
- #if defined(_WIN32)
- #include <windows.h>
- static inline size_t getpagesize() {
- SYSTEM_INFO S;
- GetNativeSystemInfo(&S);
- return S.dwPageSize;
- }
- #else /* defined(_WIN32) */
- #include <unistd.h>
- #endif /* defined(_WIN32) */
- #define PROF_ERR(Format, ...) \
- fprintf(stderr, "LLVM Profile Error: " Format, __VA_ARGS__);
- #define PROF_WARN(Format, ...) \
- fprintf(stderr, "LLVM Profile Warning: " Format, __VA_ARGS__);
- #define PROF_NOTE(Format, ...) \
- fprintf(stderr, "LLVM Profile Note: " Format, __VA_ARGS__);
- #ifndef MAP_FILE
- #define MAP_FILE 0
- #endif
- #ifndef O_BINARY
- #define O_BINARY 0
- #endif
- #if defined(__FreeBSD__)
- #include <inttypes.h>
- #include <sys/types.h>
- #else /* defined(__FreeBSD__) */
- #include <inttypes.h>
- #include <stdint.h>
- #endif /* defined(__FreeBSD__) && defined(__i386__) */
- #endif /* PROFILE_INSTRPROFILING_PORT_H_ */
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