65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/*
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* Copyright (C) 2013 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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#include <pthread.h>
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#include <cstdio>
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#include <iostream>
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#include <vector>
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#include "android-base/logging.h"
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#include "jni.h"
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#include "jvmti.h"
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#include "scoped_local_ref.h"
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#include "scoped_primitive_array.h"
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// Test infrastructure
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#include "jvmti_helper.h"
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#include "test_env.h"
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namespace art {
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namespace Test1901Bytecodes {
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extern "C" JNIEXPORT jbyteArray JNICALL Java_art_Test1901_getBytecodes(JNIEnv* env,
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jclass,
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jobject jmethod) {
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jmethodID method = env->FromReflectedMethod(jmethod);
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if (env->ExceptionCheck()) {
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return nullptr;
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}
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unsigned char* bytecodes = nullptr;
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jint bytecodes_size = 0;
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if (JvmtiErrorToException(env,
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jvmti_env,
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jvmti_env->GetBytecodes(method, &bytecodes_size, &bytecodes))) {
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return nullptr;
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}
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jbyteArray out = env->NewByteArray(bytecodes_size);
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if (env->ExceptionCheck()) {
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return nullptr;
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} else if (bytecodes_size == 0) {
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return out;
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}
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jbyte* bytes = env->GetByteArrayElements(out, /* is_copy */ nullptr);
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memcpy(bytes, bytecodes, bytecodes_size);
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env->ReleaseByteArrayElements(out, bytes, 0);
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return out;
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}
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} // namespace Test1901Bytecodes
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} // namespace art
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