Function TraceStack

BeefRT/gperftools/src/debugallocation.cc:948–954

Print the hex stack dump on a single line. PCs are separated by tabs.

// Print the hex stack dump on a single line.   PCs are separated by tabs.
static void TraceStack(void) {
  void *pcs[16];
  int n = GetStackTrace(pcs, sizeof(pcs)/sizeof(pcs[0]), 0);
  for (int i = 0; i != n; i++) {
    TracePrintf(TraceFd(), "\t%p", pcs[i]);
  }
}

// This protects MALLOC_TRACE, to make sure its info is atomically written.
static SpinLock malloc_trace_lock(SpinLock::LINKER_INITIALIZED);