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111 lines
4.2 KiB
111 lines
4.2 KiB
4 months ago
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/*
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* Copyright (C) 2015 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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#ifndef ART_RUNTIME_INTERPRETER_UNSTARTED_RUNTIME_H_
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#define ART_RUNTIME_INTERPRETER_UNSTARTED_RUNTIME_H_
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#include "interpreter.h"
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#include "dex/dex_file.h"
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#include "jvalue.h"
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#include "unstarted_runtime_list.h"
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namespace art {
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class ArtMethod;
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class CodeItemDataAccessor;
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class Thread;
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class ShadowFrame;
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namespace mirror {
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class Object;
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} // namespace mirror
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namespace interpreter {
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// Support for an unstarted runtime. These are special handwritten implementations for select
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// libcore native and non-native methods so we can compile-time initialize classes in the boot
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// image.
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//
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// While it would technically be OK to only expose the public functions, a class was chosen to
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// wrap this so the actual implementations are exposed for testing. This is also why the private
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// methods are not documented here - they are not intended to be used directly except in
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// testing.
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class UnstartedRuntime {
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public:
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static void Initialize();
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// For testing. When we destroy the Runtime and create a new one,
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// we need to reinitialize maps with new `ArtMethod*` keys.
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static void Reinitialize();
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static void Invoke(Thread* self,
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const CodeItemDataAccessor& accessor,
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ShadowFrame* shadow_frame,
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JValue* result,
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size_t arg_offset)
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REQUIRES_SHARED(Locks::mutator_lock_);
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static void Jni(Thread* self,
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ArtMethod* method,
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mirror::Object* receiver,
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uint32_t* args,
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JValue* result)
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REQUIRES_SHARED(Locks::mutator_lock_);
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private:
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// Methods that intercept available libcore implementations.
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#define UNSTARTED_DIRECT(ShortName, DescriptorIgnored, NameIgnored, SignatureIgnored) \
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static void Unstarted ## ShortName(Thread* self, \
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ShadowFrame* shadow_frame, \
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JValue* result, \
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size_t arg_offset) \
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REQUIRES_SHARED(Locks::mutator_lock_);
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UNSTARTED_RUNTIME_DIRECT_LIST(UNSTARTED_DIRECT)
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#undef UNSTARTED_DIRECT
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// Methods that are native.
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#define UNSTARTED_JNI(ShortName, DescriptorIgnored, NameIgnored, SignatureIgnored) \
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static void UnstartedJNI ## ShortName(Thread* self, \
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ArtMethod* method, \
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mirror::Object* receiver, \
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uint32_t* args, \
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JValue* result) \
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REQUIRES_SHARED(Locks::mutator_lock_);
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UNSTARTED_RUNTIME_JNI_LIST(UNSTARTED_JNI)
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#undef UNSTARTED_JNI
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static void UnstartedClassForNameCommon(Thread* self,
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ShadowFrame* shadow_frame,
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JValue* result,
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size_t arg_offset,
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bool long_form) REQUIRES_SHARED(Locks::mutator_lock_);
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static void InitializeInvokeHandlers(Thread* self) REQUIRES_SHARED(Locks::mutator_lock_);
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static void InitializeJNIHandlers(Thread* self) REQUIRES_SHARED(Locks::mutator_lock_);
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friend class UnstartedRuntimeTest;
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DISALLOW_ALLOCATION();
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DISALLOW_COPY_AND_ASSIGN(UnstartedRuntime);
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};
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} // namespace interpreter
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} // namespace art
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#endif // ART_RUNTIME_INTERPRETER_UNSTARTED_RUNTIME_H_
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