aoqi@0: /*
aoqi@0:  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #include "precompiled.hpp"
aoqi@0: #include "memory/allocation.inline.hpp"
aoqi@0: #include "oops/instanceKlass.hpp"
aoqi@0: #include "oops/method.hpp"
aoqi@0: #include "oops/oop.inline.hpp"
aoqi@0: #include "prims/privilegedStack.hpp"
aoqi@0: #include "runtime/vframe.hpp"
aoqi@0: 
aoqi@0: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
aoqi@0: 
aoqi@0: void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
aoqi@0:   Method* method        = vfst->method();
aoqi@0:   _klass                = method->method_holder();
aoqi@0:   _privileged_context   = context;
aoqi@0: #ifdef CHECK_UNHANDLED_OOPS
aoqi@0:   THREAD->allow_unhandled_oop(&_privileged_context);
aoqi@0: #endif // CHECK_UNHANDLED_OOPS
aoqi@0:   _frame_id             = vfst->frame_id();
aoqi@0:   _next                 = next;
aoqi@0:   assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
aoqi@0:   assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");
aoqi@0: }
aoqi@0: 
aoqi@0: void PrivilegedElement::oops_do(OopClosure* f) {
aoqi@0:   PrivilegedElement *cur = this;
aoqi@0:   do {
aoqi@0:     f->do_oop((oop*) &cur->_privileged_context);
aoqi@0:     cur = cur->_next;
aoqi@0:   } while(cur != NULL);
aoqi@0: }
aoqi@0: 
aoqi@0: void PrivilegedElement::classes_do(KlassClosure* f) {
aoqi@0:   PrivilegedElement *cur = this;
aoqi@0:   do {
aoqi@0:     f->do_klass(cur->_klass);
aoqi@0:     cur = cur->_next;
aoqi@0:   } while(cur != NULL);
aoqi@0: }
aoqi@0: 
aoqi@0: //-------------------------------------------------------------------------------
aoqi@0: #ifndef PRODUCT
aoqi@0: 
aoqi@0: void PrivilegedElement::print_on(outputStream* st) const {
aoqi@0:   st->print("   0x%lx ", _frame_id);
aoqi@0:   _klass->print_value_on(st);
aoqi@0:   if (protection_domain() != NULL) {
aoqi@0:     st->print("   ");
aoqi@0:     protection_domain()->print_value_on(st);
aoqi@0:   }
aoqi@0:   st->cr();
aoqi@0: }
aoqi@0: 
aoqi@0: bool PrivilegedElement::contains(address addr) {
aoqi@0:   PrivilegedElement *e = (PrivilegedElement *)addr;
aoqi@0:   if (e >= this && e < this+1) return true;
aoqi@0: 
aoqi@0:   if (_next != NULL) {
aoqi@0:     return _next->contains(addr);
aoqi@0:   } else {
aoqi@0:     return false;
aoqi@0:   }
aoqi@0: }
aoqi@0: 
aoqi@0: #endif