1 /*

     2  * Copyright (c) 1997, 2018, 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 "oops/oopsHierarchy.hpp"

    29 #include "runtime/vframe.hpp"

    30 #include "utilities/growableArray.hpp"

    31 

    32 class PrivilegedElement {

    33  private:

    34   Klass*    _klass;                // klass for method

    35   oop       _privileged_context;   // context for operation

    36   intptr_t*     _frame_id;             // location on stack

    37   PrivilegedElement* _next;        // Link to next one on stack

    38  public:

    39   void initialize(vframeStream* vf, oop context, PrivilegedElement* next, TRAPS);

    40   void oops_do(OopClosure* f);

    41   intptr_t* frame_id() const           { return _frame_id; }

    42   oop  privileged_context() const  { return _privileged_context; }

    43   oop  class_loader() const        { return InstanceKlass::cast(_klass)->class_loader(); }

    44   oop  protection_domain() const   { return InstanceKlass::cast(_klass)->protection_domain(); }

    45   PrivilegedElement *next() const  { return _next; }

    46 

    47   // debugging (used for find)

    48   void print_on(outputStream* st) const   PRODUCT_RETURN;

    49   bool contains(address addr)             PRODUCT_RETURN0;

    50 };

    51 

    52 #endif // SHARE_VM_PRIMS_PRIVILEGEDSTACK_HPP