示例#1
0
// This method is safe to call without holding the CodeCache_lock, as long as a dead codeblob is not
// looked up (i.e., one that has been marked for deletion). It only dependes on the _segmap to contain
// valid indices, which it will always do, as long as the CodeBlob is not in the process of being recycled.
CodeBlob* CodeCache::find_blob(void* start) {
  CodeBlob* result = find_blob_unsafe(start);
  if (result == NULL) return NULL;
  // We could potientially look up non_entrant methods
  guarantee(!result->is_zombie() || result->is_locked_by_vm() || is_error_reported(), "unsafe access to zombie method");
  return result;
}