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 #if COMPILER_RT_HAS_ATOMICS == 1
26 #ifdef _MSC_VER
27 #include <windows.h>
28 #if defined(_WIN64)
29 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
30   (InterlockedCompareExchange64((LONGLONG volatile *)Ptr, (LONGLONG)NewV,      \
31                                 (LONGLONG)OldV) == (LONGLONG)OldV)
32 #else /* !defined(_WIN64) */
33 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
34   (InterlockedCompareExchange((LONG volatile *)Ptr, (LONG)NewV, (LONG)OldV) == \
35    (LONG)OldV)
36 #endif
37 #else /* !defined(_MSC_VER) */
38 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
39   __sync_bool_compare_and_swap(Ptr, OldV, NewV)
40 #endif
41 #else /* COMPILER_RT_HAS_ATOMICS != 1 */
42 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
43   BoolCmpXchg((void **)Ptr, OldV, NewV)
44 #endif
45 
46 #define PROF_ERR(Format, ...)                                                  \
47   if (GetEnvHook && GetEnvHook("LLVM_PROFILE_VERBOSE_ERRORS"))                 \
48     fprintf(stderr, Format, __VA_ARGS__);
49 
50 #if defined(__FreeBSD__)
51 
52 #include <inttypes.h>
53 #include <sys/types.h>
54 
55 #else /* defined(__FreeBSD__) */
56 
57 #include <inttypes.h>
58 #include <stdint.h>
59 
60 #endif /* defined(__FreeBSD__) && defined(__i386__) */
61 
62 #endif /* PROFILE_INSTRPROFILING_PORT_H_ */
63