1 /*===- InstrProfilingPort.h- Support library for PGO instrumentation ------===*\
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
7 \*===----------------------------------------------------------------------===*/
9 /* This header must be included after all others so it can provide fallback
10 definitions for stuff missing in system headers. */
12 #ifndef PROFILE_INSTRPROFILING_PORT_H_
13 #define PROFILE_INSTRPROFILING_PORT_H_
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)
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)))
36 #if defined(__APPLE__)
37 #define COMPILER_RT_SEG "__DATA,"
39 #define COMPILER_RT_SEG ""
43 #define COMPILER_RT_SECTION(Sect) __declspec(allocate(Sect))
45 #define COMPILER_RT_SECTION(Sect) __attribute__((section(Sect)))
48 #define COMPILER_RT_MAX_HOSTLEN 128
50 #define COMPILER_RT_GETHOSTNAME(Name, Len) ((void)(Name), (void)(Len), (-1))
52 #define COMPILER_RT_GETHOSTNAME(Name, Len) lprofGetHostName(Name, Len)
55 #if COMPILER_RT_HAS_ATOMICS == 1
59 #define snprintf _snprintf
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) == \
72 #define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr) \
73 (DomType *)InterlockedExchangeAdd((LONG volatile *)&PtrVar, \
74 (LONG)sizeof(DomType) * PtrIncr)
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)
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)
91 #define DIR_SEPARATOR '\\'
92 #define DIR_SEPARATOR_2 '/'
94 #define DIR_SEPARATOR '/'
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 */
106 static inline size_t getpagesize() {
108 GetNativeSystemInfo(&S);
111 #else /* defined(_WIN32) */
113 #endif /* defined(_WIN32) */
115 #define PROF_ERR(Format, ...) \
116 fprintf(stderr, "LLVM Profile Error: " Format, __VA_ARGS__);
118 #define PROF_WARN(Format, ...) \
119 fprintf(stderr, "LLVM Profile Warning: " Format, __VA_ARGS__);
121 #define PROF_NOTE(Format, ...) \
122 fprintf(stderr, "LLVM Profile Note: " Format, __VA_ARGS__);
132 #if defined(__FreeBSD__)
134 #include <inttypes.h>
135 #include <sys/types.h>
137 #else /* defined(__FreeBSD__) */
139 #include <inttypes.h>
142 #endif /* defined(__FreeBSD__) && defined(__i386__) */
144 #endif /* PROFILE_INSTRPROFILING_PORT_H_ */