Wed, 30 Mar 2011 07:47:19 -0700
7031614: jmap -permstat fails with java.lang.InternalError in sun.jvm.hotspot.oops.OopField.getValue
Reviewed-by: kvn, dcubed
1 /*
2 * Copyright (c) 1997, 2010, 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
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7 * published by the Free Software Foundation.
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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.
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23 */
25 #include "precompiled.hpp"
26 #include "classfile/javaClasses.hpp"
27 #include "oops/oop.inline.hpp"
28 #include "runtime/handles.inline.hpp"
29 #include "utilities/copy.hpp"
30 #ifdef TARGET_OS_FAMILY_linux
31 # include "thread_linux.inline.hpp"
32 #endif
33 #ifdef TARGET_OS_FAMILY_solaris
34 # include "thread_solaris.inline.hpp"
35 #endif
36 #ifdef TARGET_OS_FAMILY_windows
37 # include "thread_windows.inline.hpp"
38 #endif
40 bool always_do_update_barrier = false;
42 BarrierSet* oopDesc::_bs = NULL;
44 void oopDesc::print_on(outputStream* st) const {
45 if (this == NULL) {
46 st->print_cr("NULL");
47 } else {
48 blueprint()->oop_print_on(oop(this), st);
49 }
50 }
52 void oopDesc::print_address_on(outputStream* st) const {
53 if (PrintOopAddress) {
54 st->print("{"INTPTR_FORMAT"}", this);
55 }
56 }
58 void oopDesc::print() { print_on(tty); }
60 void oopDesc::print_address() { print_address_on(tty); }
62 char* oopDesc::print_string() {
63 stringStream st;
64 print_on(&st);
65 return st.as_string();
66 }
68 void oopDesc::print_value() {
69 print_value_on(tty);
70 }
72 char* oopDesc::print_value_string() {
73 char buf[100];
74 stringStream st(buf, sizeof(buf));
75 print_value_on(&st);
76 return st.as_string();
77 }
79 void oopDesc::print_value_on(outputStream* st) const {
80 oop obj = oop(this);
81 if (this == NULL) {
82 st->print("NULL");
83 } else if (java_lang_String::is_instance(obj)) {
84 java_lang_String::print(obj, st);
85 if (PrintOopAddress) print_address_on(st);
86 #ifdef ASSERT
87 } else if (!Universe::heap()->is_in(obj) || !Universe::heap()->is_in(klass())) {
88 st->print("### BAD OOP %p ###", (address)obj);
89 #endif //ASSERT
90 } else {
91 blueprint()->oop_print_value_on(obj, st);
92 }
93 }
96 void oopDesc::verify_on(outputStream* st) {
97 if (this != NULL) {
98 blueprint()->oop_verify_on(this, st);
99 }
100 }
103 void oopDesc::verify() {
104 verify_on(tty);
105 }
108 // XXX verify_old_oop doesn't do anything (should we remove?)
109 void oopDesc::verify_old_oop(oop* p, bool allow_dirty) {
110 blueprint()->oop_verify_old_oop(this, p, allow_dirty);
111 }
113 void oopDesc::verify_old_oop(narrowOop* p, bool allow_dirty) {
114 blueprint()->oop_verify_old_oop(this, p, allow_dirty);
115 }
117 bool oopDesc::partially_loaded() {
118 return blueprint()->oop_partially_loaded(this);
119 }
122 void oopDesc::set_partially_loaded() {
123 blueprint()->oop_set_partially_loaded(this);
124 }
127 intptr_t oopDesc::slow_identity_hash() {
128 // slow case; we have to acquire the micro lock in order to locate the header
129 ResetNoHandleMark rnm; // Might be called from LEAF/QUICK ENTRY
130 HandleMark hm;
131 Handle object((oop)this);
132 assert(!is_shared_readonly(), "using identity hash on readonly object?");
133 return ObjectSynchronizer::identity_hash_value_for(object);
134 }
136 VerifyOopClosure VerifyOopClosure::verify_oop;
138 void VerifyOopClosure::do_oop(oop* p) { VerifyOopClosure::do_oop_work(p); }
139 void VerifyOopClosure::do_oop(narrowOop* p) { VerifyOopClosure::do_oop_work(p); }