1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "art_method-inl.h"
18 #include "base/casts.h"
19 #include "jni.h"
20 #include "mirror/array.h"
21 #include "mirror/class-inl.h"
22 #include "mirror/class.h"
23 #include "mirror/object-inl.h"
24 #include "scoped_thread_state_change-inl.h"
25
26 namespace art {
27
Java_Main_vmArrayBaseOffset(JNIEnv * env,jclass,jobject classObj)28 extern "C" JNIEXPORT jint JNICALL Java_Main_vmArrayBaseOffset(JNIEnv* env, jclass, jobject classObj) {
29 ScopedObjectAccess soa(env);
30 ObjPtr<mirror::Class> klass = soa.Decode<mirror::Class>(classObj);
31 return mirror::Array::DataOffset(
32 Primitive::ComponentSize(klass->GetComponentType()->GetPrimitiveType())).Int32Value();
33 }
34
Java_Main_vmArrayIndexScale(JNIEnv * env,jclass,jobject classObj)35 extern "C" JNIEXPORT jint JNICALL Java_Main_vmArrayIndexScale(JNIEnv* env, jclass, jobject classObj) {
36 ScopedObjectAccess soa(env);
37 ObjPtr<mirror::Class> klass = soa.Decode<mirror::Class>(classObj);
38 return Primitive::ComponentSize(klass->GetComponentType()->GetPrimitiveType());
39 }
40
Java_Main_unsafeTestMalloc(JNIEnv *,jclass,jlong size)41 extern "C" JNIEXPORT jlong JNICALL Java_Main_unsafeTestMalloc(JNIEnv*, jclass, jlong size) {
42 void* memory = malloc(dchecked_integral_cast<size_t>(size));
43 CHECK(memory != nullptr);
44 return reinterpret_cast64<jlong>(memory);
45 }
46
Java_Main_unsafeTestFree(JNIEnv *,jclass,jlong memory)47 extern "C" JNIEXPORT void JNICALL Java_Main_unsafeTestFree(JNIEnv*, jclass, jlong memory) {
48 void* mem = reinterpret_cast64<void*>(memory);
49 CHECK(mem != nullptr);
50 free(mem);
51 }
52
53 } // namespace art
54