316 // RtlCaptureStackBackTrace Windows API may not exist prior to Windows XP.

   316 // RtlCaptureStackBackTrace Windows API may not exist prior to Windows XP.

   317 // So far, this method is only used by Native Memory Tracking, which is

   317 // So far, this method is only used by Native Memory Tracking, which is

   318 // only supported on Windows XP or later.

   318 // only supported on Windows XP or later.

   319 //

   319 //

   320 int os::get_native_stack(address* stack, int frames, int toSkip) {

   320 int os::get_native_stack(address* stack, int frames, int toSkip) {

   324   int captured = RtlCaptureStackBackTrace(toSkip + 1, frames, (PVOID*)stack, NULL);

   321   int captured = RtlCaptureStackBackTrace(toSkip + 1, frames, (PVOID*)stack, NULL);

   325   for (int index = captured; index < frames; index ++) {

   322   for (int index = captured; index < frames; index ++) {

   326     stack[index] = NULL;

   323     stack[index] = NULL;

   327   }

   324   }

   328   return captured;

   325   return captured;