60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
/*
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* Copyright (c) 2021, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <string.h>
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#include <jvmti.h>
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#include "jvmti_common.hpp"
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static jvmtiEnv* jvmti = nullptr;
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#ifdef __cplusplus
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extern "C" {
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#endif
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JNIEXPORT
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void JNICALL Java_DynamicCodeGeneratedTest_changeEventNotificationMode(JNIEnv* jni, jclass cls) {
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while (true) {
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jvmti->SetEventNotificationMode(JVMTI_ENABLE, JVMTI_EVENT_DYNAMIC_CODE_GENERATED, nullptr);
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jvmti->SetEventNotificationMode(JVMTI_DISABLE, JVMTI_EVENT_DYNAMIC_CODE_GENERATED, nullptr);
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}
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}
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#ifdef __cplusplus
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}
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#endif
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void JNICALL DynamicCodeGenerated(jvmtiEnv* jvmti, const char* name, const void* address, jint length) {
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LOG("Event: %s\n", name);
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}
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JNIEXPORT jint JNICALL
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Agent_OnLoad(JavaVM* vm, char* options, void* reserved) {
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vm->GetEnv((void**)&jvmti, JVMTI_VERSION_1_0);
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jvmtiEventCallbacks callbacks;
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memset(&callbacks, 0, sizeof(callbacks));
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callbacks.DynamicCodeGenerated = DynamicCodeGenerated;
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jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks));
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return 0;
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}
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