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 #elif defined(__PS4__)
29 #define COMPILER_RT_GETHOSTNAME(Name, Len) (-1)
30 #else
31 #define COMPILER_RT_GETHOSTNAME(Name, Len) lprofGetHostName(Name, Len)
32 #define COMPILER_RT_HAS_UNAME 1
33 #endif
34 
35 #if COMPILER_RT_HAS_ATOMICS == 1
36 #ifdef _MSC_VER
37 #include <windows.h>
38 #if _MSC_VER < 1900
39 #define snprintf _snprintf
40 #endif
41 #if defined(_WIN64)
42 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
43   (InterlockedCompareExchange64((LONGLONG volatile *)Ptr, (LONGLONG)NewV,      \
44                                 (LONGLONG)OldV) == (LONGLONG)OldV)
45 #else /* !defined(_WIN64) */
46 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
47   (InterlockedCompareExchange((LONG volatile *)Ptr, (LONG)NewV, (LONG)OldV) == \
48    (LONG)OldV)
49 #endif
50 #else /* !defined(_MSC_VER) */
51 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
52   __sync_bool_compare_and_swap(Ptr, OldV, NewV)
53 #endif
54 #else /* COMPILER_RT_HAS_ATOMICS != 1 */
55 #include "InstrProfilingUtil.h"
56 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
57   lprofBoolCmpXchg((void **)Ptr, OldV, NewV)
58 #endif
59 
60 #define PROF_ERR(Format, ...)                                                  \
61   if (GetEnvHook && GetEnvHook("LLVM_PROFILE_VERBOSE_ERRORS"))                 \
62     fprintf(stderr, Format, __VA_ARGS__);
63 
64 #if defined(__FreeBSD__)
65 
66 #include <inttypes.h>
67 #include <sys/types.h>
68 
69 #else /* defined(__FreeBSD__) */
70 
71 #include <inttypes.h>
72 #include <stdint.h>
73 
74 #endif /* defined(__FreeBSD__) && defined(__i386__) */
75 
76 #endif /* PROFILE_INSTRPROFILING_PORT_H_ */
77