83 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C++
		
	
	
	
| /*
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|  * Copyright (C) 2017 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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| 
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| #include "jni.h"
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| 
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| #include "art_method.h"
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| #include "class_linker.h"
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| #include "mirror/class-inl.h"
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| #include "mirror/dex_cache.h"
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| #include "mirror/executable.h"
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| #include "mirror/object-inl.h"
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| #include "obj_ptr.h"
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| #include "oat_file.h"
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| #include "runtime.h"
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| #include "scoped_thread_state_change-inl.h"
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| #include "thread.h"
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| 
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| namespace art {
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| namespace {
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| 
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| extern "C" JNIEXPORT jlong JNICALL Java_Main_getOatMethodQuickCode(JNIEnv* env,
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|                                                                    jclass,
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|                                                                    jobject method) {
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|   CHECK(method != nullptr);
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|   ScopedObjectAccess soa(env);
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|   ObjPtr<mirror::Executable> exec = soa.Decode<mirror::Executable>(method);
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|   ArtMethod* art_method = exec->GetArtMethod();
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| 
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|   const void* quick_code =
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|     art_method->GetOatMethodQuickCode(Runtime::Current()->GetClassLinker()->GetImagePointerSize());
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| 
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|   return static_cast<jlong>(reinterpret_cast<uintptr_t>(quick_code));
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| }
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| 
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| extern "C" JNIEXPORT jboolean JNICALL Java_Main_hasOatCompiledCode(JNIEnv* env,
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|                                                                    jclass,
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|                                                                    jclass kls) {
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|   CHECK(kls != nullptr);
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|   ScopedObjectAccess soa(env);
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|   Thread* self = Thread::Current();
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| 
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|   ObjPtr<mirror::Class> klass_ptr = self->DecodeJObject(kls)->AsClass();
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| 
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|   bool found = false;
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|   OatFile::OatClass oat_class = OatFile::FindOatClass(*klass_ptr->GetDexCache()->GetDexFile(),
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|                                                       klass_ptr->GetDexClassDefIndex(),
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|                                                       /* out */ &found);
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| 
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|   if (!found) {
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|     return false;
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|   }
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| 
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|   OatClassType type = oat_class.GetType();
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|   switch (type) {
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|     case OatClassType::kAllCompiled:
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|     case OatClassType::kSomeCompiled:
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|       return true;
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| 
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|     case OatClassType::kNoneCompiled:
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|     case OatClassType::kOatClassMax:
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|       return false;
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|   }
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| 
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|   LOG(FATAL) << "unhandled switch statement";
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|   UNREACHABLE();
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| }
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| 
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| }  // namespace
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| }  // namespace art
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