C++ (Cpp) JavaThread::trace_stack示例

extern "C" void ps() { // print stack
  if (Thread::current() == NULL) return;
  Command c("ps");


  // Prints the stack of the current Java thread
  JavaThread* p = JavaThread::active();
  tty->print(" for thread: ");
  p->print();
  tty->cr();

  if (p->has_last_Java_frame()) {
    // If the last_Java_fp is set we are in C land and
    // can call the standard stack_trace function.
#ifdef PRODUCT
    p->print_stack();
  } else {
    tty->print_cr("Cannot find the last Java frame, printing stack disabled.");
#else // !PRODUCT
    p->trace_stack();
  } else {

示例#2

显示文件

文件： debug.cpp 项目： LeLiKa/openjdk

extern "C" void ps() { // print stack
  Command c("ps");


  // Prints the stack of the current Java thread
  JavaThread* p = JavaThread::active();
  tty->print(" for thread: ");
  p->print();
  tty->cr();

  if (p->has_last_Java_frame()) {
    // If the last_Java_fp is set we are in C land and
    // can call the standard stack_trace function.
    p->trace_stack();
  } else {
    frame f = os::current_frame();
    RegisterMap reg_map(p);
    f = f.sender(&reg_map);
    tty->print("(guessing starting frame id=%#p based on current fp)\n", f.id());
    p->trace_stack_from(vframe::new_vframe(&f, &reg_map, p));
  pd_ps(f);
  }

}