xref: /netbsd-src/sys/external/bsd/compiler_rt/dist/lib/profile/InstrProfilingPort.h (revision 24c3e74515ce5431b54b2e23e2b83ad012239440)
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 #elif defined(__lint__)
22 #define COMPILER_RT_ALIGNAS(x)
23 #define COMPILER_RT_VISIBILITY
24 #define COMPILER_RT_WEAK
25 #endif
26 
27 #define COMPILER_RT_SECTION(Sect) __attribute__((section(Sect)))
28 
29 #if COMPILER_RT_HAS_ATOMICS == 1
30 #ifdef _MSC_VER
31 #include <windows.h>
32 #define snprintf _snprintf
33 #if defined(_WIN64)
34 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
35   (InterlockedCompareExchange64((LONGLONG volatile *)Ptr, (LONGLONG)NewV,      \
36                                 (LONGLONG)OldV) == (LONGLONG)OldV)
37 #else /* !defined(_WIN64) */
38 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
39   (InterlockedCompareExchange((LONG volatile *)Ptr, (LONG)NewV, (LONG)OldV) == \
40    (LONG)OldV)
41 #endif
42 #else /* !defined(_MSC_VER) */
43 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
44   __sync_bool_compare_and_swap(Ptr, OldV, NewV)
45 #endif
46 #else /* COMPILER_RT_HAS_ATOMICS != 1 */
47 #define COMPILER_RT_BOOL_CMPXCHG(Ptr, OldV, NewV)                              \
48   BoolCmpXchg((void **)Ptr, OldV, NewV)
49 #endif
50 
51 #define PROF_ERR(Format, ...)                                                  \
52   if (GetEnvHook && GetEnvHook("LLVM_PROFILE_VERBOSE_ERRORS"))                 \
53     fprintf(stderr, Format, __VA_ARGS__);
54 
55 #if defined(__FreeBSD__)
56 
57 #include <inttypes.h>
58 #include <sys/types.h>
59 
60 #else /* defined(__FreeBSD__) */
61 
62 #include <inttypes.h>
63 #include <stdint.h>
64 
65 #endif /* defined(__FreeBSD__) && defined(__i386__) */
66 
67 #endif /* PROFILE_INSTRPROFILING_PORT_H_ */
68