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Datei: jfrUpcalls.hpp Sprache: C

/*
* Copyright (c) 2016, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/

#ifndef SHARE_JFR_JNI_JFRUPCALLS_HPP
#define SHARE_JFR_JNI_JFRUPCALLS_HPP

#include "jfr/utilities/jfrAllocation.hpp"
#include "jni.h"
#include "utilities/exceptions.hpp"

class JavaThread;

//
// Upcalls to Java for instrumentation purposes.
// Targets are located in jdk.jfr.internal.JVMUpcalls.
//
class JfrUpcalls : AllStatic {
public:
  static void new_bytes_eager_instrumentation(jlong trace_id,
                                              jboolean force_instrumentation,
                                              jboolean boot_class_loader,
                                              jclass super,
                                              jint class_data_len,
                                              const unsigned char* class_data,
                                              jint* new_class_data_len,
                                              unsigned char** new_class_data,
                                              TRAPS);

  static void on_retransform(jlong trace_id,
                             jclass class_being_redefined,
                             jint class_data_len,
                             const unsigned char* class_data,
                             jint* new_class_data_len,
                             unsigned char** new_class_data,
                             TRAPS);

  static bool unhide_internal_types(TRAPS);
};

#endif // SHARE_JFR_JNI_JFRUPCALLS_HPP

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