/*
* Copyright ( C ) 2021 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#include "art_method-inl.h"
#include "base/casts.h"
#include "jni.h"
#include "mirror/array.h"
#include "mirror/class-inl.h"
#include "mirror/class.h"
#include "mirror/object-inl.h"
#include "scoped_thread_state_change-inl.h"
namespace art {
extern "C" JNIEXPORT jint JNICALL Java_Main_vmJdkArrayBaseOffset(JNIEnv* env, jclass, jobject classObj) {
ScopedObjectAccess soa(env);
ObjPtr<mirror::Class > klass = soa.Decode<mirror::Class >(classObj);
return mirror::Array::DataOffset(
Primitive::ComponentSize(klass->GetComponentType()->GetPrimitiveType())).Int32Value();
}
extern "C" JNIEXPORT jint JNICALL Java_Main_vmJdkArrayIndexScale(JNIEnv* env, jclass, jobject classObj) {
ScopedObjectAccess soa(env);
ObjPtr<mirror::Class > klass = soa.Decode<mirror::Class >(classObj);
return Primitive::ComponentSize(klass->GetComponentType()->GetPrimitiveType());
}
extern "C" JNIEXPORT jlong JNICALL Java_Main_jdkUnsafeTestMalloc(JNIEnv*, jclass, jlong size) {
void * memory = malloc(dchecked_integral_cast<size_t>(size));
CHECK(memory != nullptr);
return reinterpret_cast64<jlong>(memory);
}
extern "C" JNIEXPORT void JNICALL Java_Main_jdkUnsafeTestFree(JNIEnv*, jclass, jlong memory) {
void * mem = reinterpret_cast64<void *>(memory);
CHECK(mem != nullptr);
free(mem);
}
} // namespace art
Messung V0.5 in Prozent C=84 H=93 G=88
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-06-29)
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