jfrUpcalls.hpp

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 * under the terms of the GNU General Public License version 2 only, as
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 *
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 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
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#ifndef SHARE_JFR_JNI_JFRUPCALLS_HPP
#define SHARE_JFR_JNI_JFRUPCALLS_HPP

#include "jni.h"
#include "jfr/utilities/jfrAllocation.hpp"
#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,
                                              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);
};

#endif // SHARE_JFR_JNI_JFRUPCALLS_HPP