f8802e5f0a
Introduce utils.h to have common routines. Bug: 130388701 Test: build & pass presubmit tests Change-Id: Ic40da64fefc1f2216bdea9ea93a15e5abb8f23a4
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#if defined(__ANDROID__)
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#include <dlfcn.h>
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#include "android-base/logging.h"
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#include "android/dlext.h"
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#include "log/log.h"
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#include "nativebridge/native_bridge.h"
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#include "utils.h"
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namespace android {
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// NativeLoaderNamespace abstracts a linker namespace for the native
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// architecture (ex: arm on arm) or the translated architecture (ex: arm on
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// x86). Instances of this class are managed by LibraryNamespaces object.
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struct NativeLoaderNamespace {
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public:
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NativeLoaderNamespace() : android_ns_(nullptr), native_bridge_ns_(nullptr) {}
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explicit NativeLoaderNamespace(android_namespace_t* ns)
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: android_ns_(ns), native_bridge_ns_(nullptr) {}
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explicit NativeLoaderNamespace(native_bridge_namespace_t* ns)
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: android_ns_(nullptr), native_bridge_ns_(ns) {}
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NativeLoaderNamespace(NativeLoaderNamespace&&) = default;
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NativeLoaderNamespace(const NativeLoaderNamespace&) = default;
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NativeLoaderNamespace& operator=(const NativeLoaderNamespace&) = default;
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android_namespace_t* get_android_ns() const {
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CHECK(native_bridge_ns_ == nullptr);
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return android_ns_;
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}
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native_bridge_namespace_t* get_native_bridge_ns() const {
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CHECK(android_ns_ == nullptr);
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return native_bridge_ns_;
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}
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bool is_android_namespace() const { return native_bridge_ns_ == nullptr; }
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private:
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// Only one of them can be not null
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android_namespace_t* android_ns_;
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native_bridge_namespace_t* native_bridge_ns_;
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};
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} // namespace android
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#endif // #if defined(__ANDROID__)
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