contrib/compiler-rt/lib/profile/InstrProfilingPort.h

   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_ */