1/*
2 * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#ifndef SHARE_VM_PRIMS_PRIVILEGEDSTACK_HPP
26#define SHARE_VM_PRIMS_PRIVILEGEDSTACK_HPP
27
28#include "memory/allocation.hpp"
29#include "oops/oopsHierarchy.hpp"
30#include "runtime/vframe.hpp"
31#include "utilities/growableArray.hpp"
32
33class PrivilegedElement VALUE_OBJ_CLASS_SPEC {
34 private:
35  Klass*    _klass;                // klass for method
36  oop       _privileged_context;   // context for operation
37  intptr_t*     _frame_id;             // location on stack
38  PrivilegedElement* _next;        // Link to next one on stack
39 public:
40  void initialize(vframeStream* vf, oop context, PrivilegedElement* next, TRAPS);
41  void oops_do(OopClosure* f);
42  intptr_t* frame_id() const           { return _frame_id; }
43  oop  privileged_context() const  { return _privileged_context; }
44  oop  class_loader() const        { return InstanceKlass::cast(_klass)->class_loader(); }
45  oop  protection_domain() const   { return InstanceKlass::cast(_klass)->protection_domain(); }
46  PrivilegedElement *next() const  { return _next; }
47
48  // debugging (used for find)
49  void print_on(outputStream* st) const   PRODUCT_RETURN;
50  bool contains(address addr)             PRODUCT_RETURN0;
51};
52
53#endif // SHARE_VM_PRIMS_PRIVILEGEDSTACK_HPP
54