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#if defined(__ORBIS__) || defined(__wasi__)
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(void) {
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