duke@435: /*
coleenp@4037:  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
trims@1907:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907:  * or visit www.oracle.com if you need additional information or have any
trims@1907:  * questions.
duke@435:  *
duke@435:  */
duke@435: 
stefank@2314: #include "precompiled.hpp"
stefank@2314: #include "memory/allocation.inline.hpp"
stefank@2314: #include "oops/instanceKlass.hpp"
coleenp@4037: #include "oops/method.hpp"
stefank@2314: #include "oops/oop.inline.hpp"
stefank@2314: #include "prims/privilegedStack.hpp"
stefank@2314: #include "runtime/vframe.hpp"
duke@435: 
duke@435: 
duke@435: void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
coleenp@4037:   Method* method        = vfst->method();
duke@435:   _klass                = method->method_holder();
duke@435:   _privileged_context   = context;
duke@435: #ifdef CHECK_UNHANDLED_OOPS
duke@435:   THREAD->allow_unhandled_oop(&_privileged_context);
duke@435: #endif // CHECK_UNHANDLED_OOPS
duke@435:   _frame_id             = vfst->frame_id();
duke@435:   _next                 = next;
duke@435:   assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
duke@435:   assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");
duke@435: }
duke@435: 
duke@435: void PrivilegedElement::oops_do(OopClosure* f) {
duke@435:   PrivilegedElement *cur = this;
duke@435:   do {
duke@435:     f->do_oop((oop*) &cur->_privileged_context);
duke@435:     cur = cur->_next;
duke@435:   } while(cur != NULL);
duke@435: }
duke@435: 
coleenp@4037: void PrivilegedElement::classes_do(KlassClosure* f) {
coleenp@4037:   PrivilegedElement *cur = this;
coleenp@4037:   do {
coleenp@4037:     f->do_klass(cur->_klass);
coleenp@4037:     cur = cur->_next;
coleenp@4037:   } while(cur != NULL);
coleenp@4037: }
coleenp@4037: 
duke@435: //-------------------------------------------------------------------------------
duke@435: #ifndef PRODUCT
duke@435: 
duke@435: void PrivilegedElement::print_on(outputStream* st) const {
duke@435:   st->print("   0x%lx ", _frame_id);
duke@435:   _klass->print_value_on(st);
duke@435:   if (protection_domain() != NULL) {
duke@435:     st->print("   ");
duke@435:     protection_domain()->print_value_on(st);
duke@435:   }
duke@435:   st->cr();
duke@435: }
duke@435: 
duke@435: bool PrivilegedElement::contains(address addr) {
duke@435:   PrivilegedElement *e = (PrivilegedElement *)addr;
duke@435:   if (e >= this && e < this+1) return true;
duke@435: 
duke@435:   if (_next != NULL) {
duke@435:     return _next->contains(addr);
duke@435:   } else {
duke@435:     return false;
duke@435:   }
duke@435: }
duke@435: 
duke@435: #endif