static void Platform_calculateNanosecondsPerMachTick(uint64_t* numer, uint64_t* denom) {
   // Check if we can determine the timebase used on this system.
   // If the API is unavailable assume we get our timebase in nanoseconds.
   *numer = 1;
   *denom = 1;

#ifdef __x86_64__
   /* WORKAROUND for `mach_timebase_info` giving incorrect values on M1 under Rosetta 2.
    *    rdar://FB9546856 http://www.openradar.appspot.com/FB9546856
    *
    *    We don't know exactly what feature/attribute of the M1 chip causes this mistake under Rosetta 2.
    *    Until we have more Apple ARM chips to compare against, the best we can do is special-case
    *    the "Apple M1" chip specifically when running under Rosetta 2.
    *
    *    Rosetta 2 only supports x86-64, so skip this workaround when building for other architectures.
    */

   bool isRunningUnderRosetta2 = Platform_isRunningTranslated();

   // Kernel version 20.0.0 is macOS 11.0 (Big Sur)
   bool isBuggedVersion = 0 <= Platform_CompareKernelVersion((KernelVersion) {20, 0, 0});

   if (isRunningUnderRosetta2 && isBuggedVersion) {
      // In this case `mach_timebase_info` provides the wrong value, so we hard-code the correct factor,
      // as determined from `mach_timebase_info` as if the process was running natively.
      *numer = 125;
      *denom = 3;
      return;
   }
#endif

#ifdef HAVE_MACH_TIMEBASE_INFO
   mach_timebase_info_data_t info;
   if (mach_timebase_info(&info) == KERN_SUCCESS) {
      *numer = info.numer;
      *denom = info.denom;
      return;
   }
#endif
}

static void Platform_calculateNanosecondsPerMachTick(uint64_t* numer, uint64_t* denom) {
   // Check if we can determine the timebase used on this system.

#ifdef __x86_64__
   /* WORKAROUND for `mach_timebase_info` giving incorrect values on M1 under Rosetta 2.
    *    rdar://FB9546856 http://www.openradar.appspot.com/FB9546856
    *
    *    We don't know exactly what feature/attribute of the M1 chip causes this mistake under Rosetta 2.
    *    Until we have more Apple ARM chips to compare against, the best we can do is special-case
    *    the "Apple M1" chip specifically when running under Rosetta 2.
    *
    *    Rosetta 2 only supports x86-64, so skip this workaround when building for other architectures.
    */

   bool isRunningUnderRosetta2 = Platform_isRunningTranslated();

   // Kernel version 20.0.0 is macOS 11.0 (Big Sur)
   bool isBuggedVersion = 0 <= Platform_CompareKernelVersion((KernelVersion) {20, 0, 0});

   if (isRunningUnderRosetta2 && isBuggedVersion) {
      // In this case `mach_timebase_info` provides the wrong value, so we hard-code the correct factor,
      // as determined from `mach_timebase_info` as if the process was running natively.
      *numer = 125;
      *denom = 3;
      return;
   }
#endif

#ifdef HAVE_MACH_TIMEBASE_INFO
   mach_timebase_info_data_t info = { 0 };
   if (mach_timebase_info(&info) == KERN_SUCCESS) {
      *numer = info.numer;
      *denom = info.denom;
      return;
   }
#endif

   // No info on actual timebase found; assume timebase in nanoseconds.
   *numer = 1;
   *denom = 1;
}