91 lines
3.4 KiB
C++
91 lines
3.4 KiB
C++
/* Copyright (C) 2017 The Android Open Source Project
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This file implements interfaces from the file jvmti.h. This implementation
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* is licensed under the same terms as the file jvmti.h. The
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* copyright and license information for the file jvmti.h follows.
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*
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* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <functional>
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#include <vector>
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#include "ti_ddms.h"
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#include "art_jvmti.h"
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#include "base/array_ref.h"
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#include "debugger.h"
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#include "scoped_thread_state_change-inl.h"
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#include "thread-inl.h"
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#include "ti_logging.h"
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namespace openjdkjvmti {
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jvmtiError DDMSUtil::HandleChunk(jvmtiEnv* env,
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jint type_in,
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jint length_in,
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const jbyte* data_in,
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/*out*/jint* type_out,
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/*out*/jint* data_length_out,
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/*out*/jbyte** data_out) {
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if (env == nullptr || type_out == nullptr || data_out == nullptr || data_length_out == nullptr) {
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return ERR(NULL_POINTER);
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} else if (data_in == nullptr && length_in != 0) {
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// Data-in shouldn't be null if we have data.
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return ERR(ILLEGAL_ARGUMENT);
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}
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*data_length_out = 0;
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*data_out = nullptr;
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art::Thread* self = art::Thread::Current();
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art::ScopedThreadStateChange stcs(self, art::ThreadState::kNative);
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art::ArrayRef<const jbyte> data_arr(data_in, length_in);
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std::vector<uint8_t> out_data;
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if (!art::Dbg::DdmHandleChunk(self->GetJniEnv(),
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type_in,
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data_arr,
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/*out*/reinterpret_cast<uint32_t*>(type_out),
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/*out*/&out_data)) {
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JVMTI_LOG(WARNING, env) << "Something went wrong with handling the ddm chunk.";
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return ERR(INTERNAL);
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} else {
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jvmtiError error = OK;
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if (!out_data.empty()) {
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JvmtiUniquePtr<jbyte[]> ret = AllocJvmtiUniquePtr<jbyte[]>(env, out_data.size(), &error);
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if (error != OK) {
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return error;
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}
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memcpy(ret.get(), out_data.data(), out_data.size());
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*data_out = ret.release();
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*data_length_out = static_cast<jint>(out_data.size());
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}
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return OK;
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}
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}
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} // namespace openjdkjvmti
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