/*

 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "memory/allocation.inline.hpp"

#include "oops/instanceKlass.hpp"

#include "oops/method.hpp"

#include "oops/oop.inline.hpp"

#include "prims/privilegedStack.hpp"

#include "runtime/vframe.inline.hpp"

void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {

  Method* method        = vfst->method();

  _klass                = method->method_holder();

  _privileged_context   = context;

#ifdef CHECK_UNHANDLED_OOPS

  THREAD->allow_unhandled_oop(&_privileged_context);

#endif // CHECK_UNHANDLED_OOPS

  _frame_id             = vfst->frame_id();

  _next                 = next;

  assert(oopDesc::is_oop_or_null(_privileged_context), "must be an oop");

  assert(oopDesc::is_oop_or_null(protection_domain()), "must be an oop");

}

void PrivilegedElement::oops_do(OopClosure* f) {

  PrivilegedElement *cur = this;

  do {

    f->do_oop((oop*) &cur->_privileged_context);

    cur = cur->_next;

  } while(cur != NULL);

}

//-------------------------------------------------------------------------------

#ifndef PRODUCT

void PrivilegedElement::print_on(outputStream* st) const {

  st->print("   " PTR_FORMAT " ", p2i(_frame_id));

  _klass->print_value_on(st);

  if (protection_domain() != NULL) {

    st->print("   ");

    protection_domain()->print_value_on(st);

  }

  st->cr();

}

bool PrivilegedElement::contains(address addr) {

  PrivilegedElement *e = (PrivilegedElement *)addr;

  if (e >= this && e < this+1) return true;

  if (_next != NULL) {

    return _next->contains(addr);

  } else {

    return false;

  }

}

#endif