C++ (Cpp) CodeBlob::is_runtime_stub示例

void InterfaceSupport::verify_stack() {
  JavaThread* thread = JavaThread::current();
  ResourceMark rm(thread);
  // disabled because it throws warnings that oop maps should only be accessed
  // in VM thread or during debugging

  if (!thread->has_pending_exception()) {
    // verification does not work if there are pending exceptions
    StackFrameStream sfs(thread);
    CodeBlob* cb = sfs.current()->cb();
      // In case of exceptions we might not have a runtime_stub on
      // top of stack, hence, all callee-saved registers are not going
      // to be setup correctly, hence, we cannot do stack verify
    if (cb != NULL && !(cb->is_runtime_stub() || cb->is_uncommon_trap_stub())) return;

    for (; !sfs.is_done(); sfs.next()) {
      sfs.current()->verify(sfs.register_map());
    }
  }
}