| Andreas Gampe | e492ae3 | 2016-10-28 19:34:57 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2016 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_class.h" |
| 33 | |
| 34 | #include "art_jvmti.h" |
| 35 | #include "scoped_thread_state_change-inl.h" |
| 36 | #include "thread-inl.h" |
| 37 | |
| 38 | namespace openjdkjvmti { |
| 39 | |
| 40 | jvmtiError ClassUtil::GetClassSignature(jvmtiEnv* env, |
| 41 | jclass jklass, |
| 42 | char** signature_ptr, |
| 43 | char** generic_ptr) { |
| 44 | art::ScopedObjectAccess soa(art::Thread::Current()); |
| 45 | art::ObjPtr<art::mirror::Class> klass = soa.Decode<art::mirror::Class>(jklass); |
| 46 | if (klass == nullptr) { |
| 47 | return ERR(INVALID_CLASS); |
| 48 | } |
| 49 | |
| 50 | JvmtiUniquePtr sig_copy; |
| 51 | if (signature_ptr != nullptr) { |
| 52 | std::string storage; |
| 53 | const char* descriptor = klass->GetDescriptor(&storage); |
| 54 | |
| 55 | unsigned char* tmp; |
| 56 | jvmtiError ret = CopyString(env, descriptor, &tmp); |
| 57 | if (ret != ERR(NONE)) { |
| 58 | return ret; |
| 59 | } |
| 60 | sig_copy = MakeJvmtiUniquePtr(env, tmp); |
| 61 | *signature_ptr = reinterpret_cast<char*>(tmp); |
| 62 | } |
| 63 | |
| 64 | // TODO: Support generic signature. |
| 65 | *generic_ptr = nullptr; |
| 66 | |
| 67 | // Everything is fine, release the buffers. |
| 68 | sig_copy.release(); |
| 69 | |
| 70 | return ERR(NONE); |
| 71 | } |
| 72 | |
| 73 | } // namespace openjdkjvmti |