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 #define COMPILER_RT_WEAK __declspec(selectany)
17 #elif __GNUC__
18 #define COMPILER_RT_ALIGNAS(x) __attribute__((aligned(x)))
19 #define COMPILER_RT_VISIBILITY __attribute__((visibility("hidden")))
20 #define COMPILER_RT_WEAK __attribute__((weak))
21 #endif
22 
23 #define COMPILER_RT_SECTION(Sect) __attribute__((section(Sect)))
24 
25 #define COMPILER_RT_MAX_HOSTLEN 128
26 #ifdef _MSC_VER
27 #define COMPILER_RT_GETHOSTNAME(Name, Len) gethostname(Name, Len)
28 #else
29 #define COMPILER_RT_GETHOSTNAME(Name, Len) GetHostName(Name, Len)
30 #define COMPILER_RT_HAS_UNAME 1
31 #endif
32 
33 #if COMPILER_RT_HAS_ATOMICS == 1
34 #ifdef _MSC_VER
35 #include <windows.h>
36 #if _MSC_VER < 1900
37 #define snprintf _snprintf
38 #endif
39 #if defined(_WIN64)
40 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
41   (InterlockedCompareExchange64((LONGLONG volatile *)Ptr, (LONGLONG)NewV,      \
42                                 (LONGLONG)OldV) == (LONGLONG)OldV)
43 #else /* !defined(_WIN64) */
44 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
45   (InterlockedCompareExchange((LONG volatile *)Ptr, (LONG)NewV, (LONG)OldV) == \
46    (LONG)OldV)
47 #endif
48 #else /* !defined(_MSC_VER) */
49 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
50   __sync_bool_compare_and_swap(Ptr, OldV, NewV)
51 #endif
52 #else /* COMPILER_RT_HAS_ATOMICS != 1 */
53 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
54   BoolCmpXchg((void **)Ptr, OldV, NewV)
55 #endif
56 
57 #define PROF_ERR(Format, ...)                                                  \
58   if (GetEnvHook && GetEnvHook("LLVM_PROFILE_VERBOSE_ERRORS"))                 \
59     fprintf(stderr, Format, __VA_ARGS__);
60 
61 #if defined(__FreeBSD__)
62 
63 #include <inttypes.h>
64 #include <sys/types.h>
65 
66 #else /* defined(__FreeBSD__) */
67 
68 #include <inttypes.h>
69 #include <stdint.h>
70 
71 #endif /* defined(__FreeBSD__) && defined(__i386__) */
72 
73 #endif /* PROFILE_INSTRPROFILING_PORT_H_ */
74