Tue, 17 Oct 2017 12:58:25 +0800
merge
1 /*
2 * Copyright (c) 1997, 2014, 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 */
25 #include "precompiled.hpp"
26 #include "memory/allocation.inline.hpp"
27 #include "oops/instanceKlass.hpp"
28 #include "oops/method.hpp"
29 #include "oops/oop.inline.hpp"
30 #include "prims/privilegedStack.hpp"
31 #include "runtime/vframe.hpp"
33 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
35 void PrivilegedElement::initialize(vframeStream* vfst, oop context, PrivilegedElement* next, TRAPS) {
36 Method* method = vfst->method();
37 _klass = method->method_holder();
38 _privileged_context = context;
39 #ifdef CHECK_UNHANDLED_OOPS
40 THREAD->allow_unhandled_oop(&_privileged_context);
41 #endif // CHECK_UNHANDLED_OOPS
42 _frame_id = vfst->frame_id();
43 _next = next;
44 assert(_privileged_context == NULL || _privileged_context->is_oop(), "must be an oop");
45 assert(protection_domain() == NULL || protection_domain()->is_oop(), "must be an oop");
46 }
48 void PrivilegedElement::oops_do(OopClosure* f) {
49 PrivilegedElement *cur = this;
50 do {
51 f->do_oop((oop*) &cur->_privileged_context);
52 cur = cur->_next;
53 } while(cur != NULL);
54 }
56 void PrivilegedElement::classes_do(KlassClosure* f) {
57 PrivilegedElement *cur = this;
58 do {
59 f->do_klass(cur->_klass);
60 cur = cur->_next;
61 } while(cur != NULL);
62 }
64 //-------------------------------------------------------------------------------
65 #ifndef PRODUCT
67 void PrivilegedElement::print_on(outputStream* st) const {
68 st->print(" 0x%lx ", _frame_id);
69 _klass->print_value_on(st);
70 if (protection_domain() != NULL) {
71 st->print(" ");
72 protection_domain()->print_value_on(st);
73 }
74 st->cr();
75 }
77 bool PrivilegedElement::contains(address addr) {
78 PrivilegedElement *e = (PrivilegedElement *)addr;
79 if (e >= this && e < this+1) return true;
81 if (_next != NULL) {
82 return _next->contains(addr);
83 } else {
84 return false;
85 }
86 }
88 #endif