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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.
*/
#include <functional>
#include <vector>
#include "ti_ddms.h"
#include "art_jvmti.h"
#include "base/array_ref.h"
#include "debugger.h"
#include "scoped_thread_state_change-inl.h"
#include "thread-inl.h"
namespace openjdkjvmti {
jvmtiError DDMSUtil::HandleChunk(jvmtiEnv* env,
jint type_in,
jint length_in,
const jbyte* data_in,
/*out*/jint* type_out,
/*out*/jint* data_length_out,
/*out*/jbyte** data_out) {
if (env == nullptr || type_out == nullptr || data_out == nullptr || data_length_out == nullptr) {
return ERR(NULL_POINTER);
} else if (data_in == nullptr && length_in != 0) {
// Data-in shouldn't be null if we have data.
return ERR(ILLEGAL_ARGUMENT);
}
*data_length_out = 0;
*data_out = nullptr;
art::Thread* self = art::Thread::Current();
art::ScopedThreadStateChange(self, art::ThreadState::kNative);
art::ArrayRef<const jbyte> data_arr(data_in, length_in);
std::vector<uint8_t> out_data;
if (!art::Dbg::DdmHandleChunk(self->GetJniEnv(),
type_in,
data_arr,
/*out*/reinterpret_cast<uint32_t*>(type_out),
/*out*/&out_data)) {
LOG(WARNING) << "Something went wrong with handling the ddm chunk.";
return ERR(INTERNAL);
} else {
jvmtiError error = OK;
if (!out_data.empty()) {
JvmtiUniquePtr<jbyte[]> ret = AllocJvmtiUniquePtr<jbyte[]>(env, out_data.size(), &error);
if (error != OK) {
return error;
}
memcpy(ret.get(), out_data.data(), out_data.size());
*data_out = ret.release();
*data_length_out = static_cast<jint>(out_data.size());
}
return OK;
}
}
} // namespace openjdkjvmti