jfrKlassExtension.hpp

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#ifndef SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP
#define SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP

#include "jfr/instrumentation/jfrEventClassTransformer.hpp"
#include "jfr/support/jfrTraceIdExtension.hpp"

#define DEFINE_KLASS_TRACE_ID_OFFSET \
  static ByteSize trace_id_offset() { return in_ByteSize(offset_of(InstanceKlass, _trace_id)); }

#define KLASS_TRACE_ID_OFFSET InstanceKlass::trace_id_offset()

#define JDK_JFR_EVENT_SUBKLASS 16
#define JDK_JFR_EVENT_KLASS    32
#define EVENT_HOST_KLASS       64
#define EVENT_RESERVED         128
#define IS_EVENT_KLASS(ptr) (((ptr)->trace_id() & (JDK_JFR_EVENT_KLASS | JDK_JFR_EVENT_SUBKLASS)) != 0)
#define ON_KLASS_CREATION(k, p, t) if (IS_EVENT_KLASS(k)) JfrEventClassTransformer::on_klass_creation(k, p, t)

#endif // SHARE_JFR_SUPPORT_JFRKLASSEXTENSION_HPP