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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 _MSC_VER
44 #define COMPILER_RT_GETHOSTNAME(Name, Len) gethostname(Name, Len)
45 #elif defined(__ORBIS__)
46 #define COMPILER_RT_GETHOSTNAME(Name, Len) ((void)(Name), (void)(Len), (-1))
47 #else
48 #define COMPILER_RT_GETHOSTNAME(Name, Len) lprofGetHostName(Name, Len)
49 #define COMPILER_RT_HAS_UNAME 1
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 #define PROF_ERR(Format, ...)                                                  \
88   fprintf(stderr, "LLVM Profile Error: " Format, __VA_ARGS__);
89 
90 #define PROF_WARN(Format, ...)                                                 \
91   fprintf(stderr, "LLVM Profile Warning: " Format, __VA_ARGS__);
92 
93 #define PROF_NOTE(Format, ...)                                                 \
94   fprintf(stderr, "LLVM Profile Note: " Format, __VA_ARGS__);
95 
96 #if defined(__FreeBSD__)
97 
98 #include <inttypes.h>
99 #include <sys/types.h>
100 
101 #else /* defined(__FreeBSD__) */
102 
103 #include <inttypes.h>
104 #include <stdint.h>
105 
106 #endif /* defined(__FreeBSD__) && defined(__i386__) */
107 
108 #endif /* PROFILE_INSTRPROFILING_PORT_H_ */
109