InstrProfilingPort.h revision 314564 
1/*===- InstrProfilingPort.h- Support library for PGO instrumentation ------===*\
2|*
3|*                     The LLVM Compiler Infrastructure
4|*
5|* This file is distributed under the University of Illinois Open Source
6|* License. See LICENSE.TXT for details.
7|*
8\*===----------------------------------------------------------------------===*/
9
10#ifndef PROFILE_INSTRPROFILING_PORT_H_
11#define PROFILE_INSTRPROFILING_PORT_H_
12
13#ifdef _MSC_VER
14#define COMPILER_RT_ALIGNAS(x) __declspec(align(x))
15#define COMPILER_RT_VISIBILITY
16/* FIXME: selectany does not have the same semantics as weak. */
17#define COMPILER_RT_WEAK __declspec(selectany)
18/* Need to include <windows.h> */
19#define COMPILER_RT_ALLOCA _alloca
20/* Need to include <stdio.h> and <io.h> */
21#define COMPILER_RT_FTRUNCATE(f,l) _chsize(_fileno(f),l)
22#elif __GNUC__
23#define COMPILER_RT_ALIGNAS(x) __attribute__((aligned(x)))
24#define COMPILER_RT_VISIBILITY __attribute__((visibility("hidden")))
25#define COMPILER_RT_WEAK __attribute__((weak))
26#define COMPILER_RT_ALLOCA __builtin_alloca
27#define COMPILER_RT_FTRUNCATE(f,l) ftruncate(fileno(f),l)
28#endif
29
30#if defined(__APPLE__)
31#define COMPILER_RT_SEG "__DATA,"
32#else
33#define COMPILER_RT_SEG ""
34#endif
35
36#ifdef _MSC_VER
37#define COMPILER_RT_SECTION(Sect) __declspec(allocate(Sect))
38#else
39#define COMPILER_RT_SECTION(Sect) __attribute__((section(Sect)))
40#endif
41
42#define COMPILER_RT_MAX_HOSTLEN 128
43#ifdef __ORBIS__
44#define COMPILER_RT_GETHOSTNAME(Name, Len) ((void)(Name), (void)(Len), (-1))
45#else
46#define COMPILER_RT_GETHOSTNAME(Name, Len) lprofGetHostName(Name, Len)
47#ifndef _MSC_VER
48#define COMPILER_RT_HAS_UNAME 1
49#endif
50#endif
51
52#if COMPILER_RT_HAS_ATOMICS == 1
53#ifdef _MSC_VER
54#include <windows.h>
55#if _MSC_VER < 1900
56#define snprintf _snprintf
57#endif
58#if defined(_WIN64)
59#define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
60  (InterlockedCompareExchange64((LONGLONG volatile *)Ptr, (LONGLONG)NewV,      \
61                                (LONGLONG)OldV) == (LONGLONG)OldV)
62#define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr)                    \
63  (DomType *)InterlockedExchangeAdd64((LONGLONG volatile *)&PtrVar,            \
64                                      (LONGLONG)sizeof(DomType) * PtrIncr)
65#else /* !defined(_WIN64) */
66#define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
67  (InterlockedCompareExchange((LONG volatile *)Ptr, (LONG)NewV, (LONG)OldV) == \
68   (LONG)OldV)
69#define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr)                    \
70  (DomType *)InterlockedExchangeAdd((LONG volatile *)&PtrVar,                  \
71                                    (LONG)sizeof(DomType) * PtrIncr)
72#endif
73#else /* !defined(_MSC_VER) */
74#define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
75  __sync_bool_compare_and_swap(Ptr, OldV, NewV)
76#define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr)                    \
77  (DomType *)__sync_fetch_and_add((long *)&PtrVar, sizeof(DomType) * PtrIncr)
78#endif
79#else /* COMPILER_RT_HAS_ATOMICS != 1 */
80#include "InstrProfilingUtil.h"
81#define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
82  lprofBoolCmpXchg((void **)Ptr, OldV, NewV)
83#define COMPILER_RT_PTR_FETCH_ADD(DomType, PtrVar, PtrIncr)                    \
84  (DomType *)lprofPtrFetchAdd((void **)&PtrVar, sizeof(DomType) * PtrIncr)
85#endif
86
87#if defined(_WIN32)
88#define DIR_SEPARATOR '\\'
89#define DIR_SEPARATOR_2 '/'
90#else
91#define DIR_SEPARATOR '/'
92#endif
93
94#ifndef DIR_SEPARATOR_2
95#define IS_DIR_SEPARATOR(ch) ((ch) == DIR_SEPARATOR)
96#else /* DIR_SEPARATOR_2 */
97#define IS_DIR_SEPARATOR(ch)                                                   \
98  (((ch) == DIR_SEPARATOR) || ((ch) == DIR_SEPARATOR_2))
99#endif /* DIR_SEPARATOR_2 */
100
101#define PROF_ERR(Format, ...)                                                  \
102  fprintf(stderr, "LLVM Profile Error: " Format, __VA_ARGS__);
103
104#define PROF_WARN(Format, ...)                                                 \
105  fprintf(stderr, "LLVM Profile Warning: " Format, __VA_ARGS__);
106
107#define PROF_NOTE(Format, ...)                                                 \
108  fprintf(stderr, "LLVM Profile Note: " Format, __VA_ARGS__);
109
110#if defined(__FreeBSD__)
111
112#include <inttypes.h>
113#include <sys/types.h>
114
115#else /* defined(__FreeBSD__) */
116
117#include <inttypes.h>
118#include <stdint.h>
119
120#endif /* defined(__FreeBSD__) && defined(__i386__) */
121
122#endif /* PROFILE_INSTRPROFILING_PORT_H_ */
123