1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/prims/privilegedStack.cpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,88 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#include "precompiled.hpp"
1.29 +#include "memory/allocation.inline.hpp"
1.30 +#include "oops/instanceKlass.hpp"
1.31 +#include "oops/method.hpp"
1.32 +#include "oops/oop.inline.hpp"
1.33 +#include "prims/privilegedStack.hpp"
1.34 +#include "runtime/vframe.hpp"
1.35 +
1.36 +PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
1.37 +
1.38 +void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
1.39 + Method* method = vfst->method();
1.40 + _klass = method->method_holder();
1.41 + _privileged_context = context;
1.42 +#ifdef CHECK_UNHANDLED_OOPS
1.43 + THREAD->allow_unhandled_oop(&_privileged_context);
1.44 +#endif // CHECK_UNHANDLED_OOPS
1.45 + _frame_id = vfst->frame_id();
1.46 + _next = next;
1.47 + assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
1.48 + assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");
1.49 +}
1.50 +
1.51 +void PrivilegedElement::oops_do(OopClosure* f) {
1.52 + PrivilegedElement *cur = this;
1.53 + do {
1.54 + f->do_oop((oop*) &cur->_privileged_context);
1.55 + cur = cur->_next;
1.56 + } while(cur != NULL);
1.57 +}
1.58 +
1.59 +void PrivilegedElement::classes_do(KlassClosure* f) {
1.60 + PrivilegedElement *cur = this;
1.61 + do {
1.62 + f->do_klass(cur->_klass);
1.63 + cur = cur->_next;
1.64 + } while(cur != NULL);
1.65 +}
1.66 +
1.67 +//-------------------------------------------------------------------------------
1.68 +#ifndef PRODUCT
1.69 +
1.70 +void PrivilegedElement::print_on(outputStream* st) const {
1.71 + st->print(" 0x%lx ", _frame_id);
1.72 + _klass->print_value_on(st);
1.73 + if (protection_domain() != NULL) {
1.74 + st->print(" ");
1.75 + protection_domain()->print_value_on(st);
1.76 + }
1.77 + st->cr();
1.78 +}
1.79 +
1.80 +bool PrivilegedElement::contains(address addr) {
1.81 + PrivilegedElement *e = (PrivilegedElement *)addr;
1.82 + if (e >= this && e < this+1) return true;
1.83 +
1.84 + if (_next != NULL) {
1.85 + return _next->contains(addr);
1.86 + } else {
1.87 + return false;
1.88 + }
1.89 +}
1.90 +
1.91 +#endif
