1 /* Copyright (C) 2017 The Android Open Source Project
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3 *
4 * This file implements interfaces from the file jvmti.h. This implementation
5 * is licensed under the same terms as the file jvmti.h. The
6 * copyright and license information for the file jvmti.h follows.
7 *
8 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
9 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
10 *
11 * This code is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License version 2 only, as
13 * published by the Free Software Foundation. Oracle designates this
14 * particular file as subject to the "Classpath" exception as provided
15 * by Oracle in the LICENSE file that accompanied this code.
16 *
17 * This code is distributed in the hope that it will be useful, but WITHOUT
18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 * version 2 for more details (a copy is included in the LICENSE file that
21 * accompanied this code).
22 *
23 * You should have received a copy of the GNU General Public License version
24 * 2 along with this work; if not, write to the Free Software Foundation,
25 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
26 *
27 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
28 * or visit www.oracle.com if you need additional information or have any
29 * questions.
30 */
31
32 #include "ti_object.h"
33
34 #include "art_jvmti.h"
35 #include "mirror/object-inl.h"
36 #include "scoped_thread_state_change-inl.h"
37 #include "thread-current-inl.h"
38
39 namespace openjdkjvmti {
40
GetObjectSize(jvmtiEnv * env ATTRIBUTE_UNUSED,jobject jobject,jlong * size_ptr)41 jvmtiError ObjectUtil::GetObjectSize(jvmtiEnv* env ATTRIBUTE_UNUSED,
42 jobject jobject,
43 jlong* size_ptr) {
44 if (jobject == nullptr) {
45 return ERR(INVALID_OBJECT);
46 }
47 if (size_ptr == nullptr) {
48 return ERR(NULL_POINTER);
49 }
50
51 art::ScopedObjectAccess soa(art::Thread::Current());
52 art::ObjPtr<art::mirror::Object> object = soa.Decode<art::mirror::Object>(jobject);
53
54 *size_ptr = object->SizeOf();
55 return ERR(NONE);
56 }
57
GetObjectHashCode(jvmtiEnv * env ATTRIBUTE_UNUSED,jobject jobject,jint * hash_code_ptr)58 jvmtiError ObjectUtil::GetObjectHashCode(jvmtiEnv* env ATTRIBUTE_UNUSED,
59 jobject jobject,
60 jint* hash_code_ptr) {
61 if (jobject == nullptr) {
62 return ERR(INVALID_OBJECT);
63 }
64 if (hash_code_ptr == nullptr) {
65 return ERR(NULL_POINTER);
66 }
67
68 art::ScopedObjectAccess soa(art::Thread::Current());
69 art::ObjPtr<art::mirror::Object> object = soa.Decode<art::mirror::Object>(jobject);
70
71 *hash_code_ptr = object->IdentityHashCode();
72
73 return ERR(NONE);
74 }
75
76 } // namespace openjdkjvmti
77