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84 lines
2.9 KiB
84 lines
2.9 KiB
4 months ago
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/* 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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#ifndef ART_OPENJDKJVMTI_FIXED_UP_DEX_FILE_H_
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#define ART_OPENJDKJVMTI_FIXED_UP_DEX_FILE_H_
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#include <memory>
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#include <vector>
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#include "jni.h"
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#include "jvmti.h"
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#include "base/mutex.h"
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#include "dex/dex_file.h"
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namespace openjdkjvmti {
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// A holder for a DexFile that has been 'fixed up' to ensure it is fully compliant with the
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// published standard (no internal/quick opcodes, all fields are the defined values, etc). This is
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// used to ensure that agents get a consistent dex file regardless of what version of android they
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// are running on.
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class FixedUpDexFile {
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public:
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static std::unique_ptr<FixedUpDexFile> Create(const art::DexFile& original,
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const char* descriptor);
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const art::DexFile& GetDexFile() {
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return *dex_file_;
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}
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const unsigned char* Begin() {
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return data_.data();
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}
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size_t Size() {
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return data_.size();
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}
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private:
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explicit FixedUpDexFile(std::unique_ptr<const art::DexFile> fixed_up_dex_file,
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std::vector<unsigned char> data)
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: dex_file_(std::move(fixed_up_dex_file)),
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data_(std::move(data)) {}
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// the fixed up DexFile
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std::unique_ptr<const art::DexFile> dex_file_;
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// The backing data for dex_file_.
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const std::vector<unsigned char> data_;
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DISALLOW_COPY_AND_ASSIGN(FixedUpDexFile);
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};
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} // namespace openjdkjvmti
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#endif // ART_OPENJDKJVMTI_FIXED_UP_DEX_FILE_H_
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