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/* Copyright (C) 2017 The Android Open Source Project
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This file implements interfaces from the file jvmti.h. This implementation
* is licensed under the same terms as the file jvmti.h. The
* copyright and license information for the file jvmti.h follows.
*
* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#ifndef ART_RUNTIME_OPENJDKJVMTI_TI_CLASS_DEFINITION_H_
#define ART_RUNTIME_OPENJDKJVMTI_TI_CLASS_DEFINITION_H_
#include "art_jvmti.h"
namespace openjdkjvmti {
// A struct that stores data needed for redefining/transforming classes. This structure should only
// even be accessed from a single thread and must not survive past the completion of the
// redefinition/retransformation function that created it.
struct ArtClassDefinition {
public:
jclass klass;
jobject loader;
std::string name;
jobject protection_domain;
jint dex_len;
JvmtiUniquePtr dex_data;
art::ArraySlice<const unsigned char> original_dex_file;
ArtClassDefinition() = default;
ArtClassDefinition(ArtClassDefinition&& o) = default;
void SetNewDexData(ArtJvmTiEnv* env, jint new_dex_len, unsigned char* new_dex_data) {
if (new_dex_data == nullptr) {
return;
} else if (new_dex_data != dex_data.get() || new_dex_len != dex_len) {
SetModified();
dex_len = new_dex_len;
dex_data = MakeJvmtiUniquePtr(env, new_dex_data);
}
}
void SetModified() {
modified = true;
}
bool IsModified(art::Thread* self) const REQUIRES_SHARED(art::Locks::mutator_lock_);
private:
bool modified;
};
} // namespace openjdkjvmti
#endif // ART_RUNTIME_OPENJDKJVMTI_TI_CLASS_DEFINITION_H_
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