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      1 //===-- xray_powerpc64.inc --------------------------------------*- C++ -*-===//
      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 // This file is a part of XRay, a dynamic runtime instrumentation system.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #include <cstdint>
     15 #include <mutex>
     16 #include <sys/platform/ppc.h>
     17 
     18 #include "xray_defs.h"
     19 
     20 namespace __xray {
     21 
     22 ALWAYS_INLINE uint64_t readTSC(uint8_t &CPU) XRAY_NEVER_INSTRUMENT {
     23   CPU = 0;
     24   return __ppc_get_timebase();
     25 }
     26 
     27 inline uint64_t getTSCFrequency() XRAY_NEVER_INSTRUMENT {
     28   static std::mutex M;
     29   std::lock_guard<std::mutex> Guard(M);
     30   return __ppc_get_timebase_freq();
     31 }
     32 
     33 inline bool probeRequiredCPUFeatures() XRAY_NEVER_INSTRUMENT {
     34   return true;
     35 }
     36 
     37 } // namespace __xray
     38