89   template(ShenandoahDegeneratedGC)               \
 90   template(Exit)                                  \
 91   template(LinuxDllLoad)                          \
 92   template(RotateGCLog)                           \
 93   template(WhiteBoxOperation)                     \
 94   template(JVMCIResizeCounters)                   \
 95   template(ClassLoaderStatsOperation)             \
 96   template(ClassLoaderHierarchyOperation)         \
 97   template(DumpHashtable)                         \
 98   template(DumpTouchedMethods)                    \
 99   template(CleanClassLoaderDataMetaspaces)        \
100   template(PrintCompileQueue)                     \
101   template(PrintClassHierarchy)                   \
102   template(ThreadSuspend)                         \
103   template(ThreadsSuspendJVMTI)                   \
104   template(ICBufferFull)                          \
105   template(ScavengeMonitors)                      \
106   template(PrintMetadata)                         \
107   template(GTestExecuteAtSafepoint)               \
108   template(JFROldObject)                          \

109   template(JvmtiPostObjectFree)
110 
111 class Thread;
112 class outputStream;
113 
114 class VM_Operation : public StackObj {
115  public:
116   enum VMOp_Type {
117     VM_OPS_DO(VM_OP_ENUM)
118     VMOp_Terminating
119   };
120 
121  private:
122   Thread*         _calling_thread;
123 
124   // The VM operation name array
125   static const char* _names[];
126 
127  public:
128   VM_Operation() : _calling_thread(NULL) {}

 89   template(ShenandoahDegeneratedGC)               \
 90   template(Exit)                                  \
 91   template(LinuxDllLoad)                          \
 92   template(RotateGCLog)                           \
 93   template(WhiteBoxOperation)                     \
 94   template(JVMCIResizeCounters)                   \
 95   template(ClassLoaderStatsOperation)             \
 96   template(ClassLoaderHierarchyOperation)         \
 97   template(DumpHashtable)                         \
 98   template(DumpTouchedMethods)                    \
 99   template(CleanClassLoaderDataMetaspaces)        \
100   template(PrintCompileQueue)                     \
101   template(PrintClassHierarchy)                   \
102   template(ThreadSuspend)                         \
103   template(ThreadsSuspendJVMTI)                   \
104   template(ICBufferFull)                          \
105   template(ScavengeMonitors)                      \
106   template(PrintMetadata)                         \
107   template(GTestExecuteAtSafepoint)               \
108   template(JFROldObject)                          \
109   template(ClassPrintLayout)                      \
110   template(JvmtiPostObjectFree)
111 
112 class Thread;
113 class outputStream;
114 
115 class VM_Operation : public StackObj {
116  public:
117   enum VMOp_Type {
118     VM_OPS_DO(VM_OP_ENUM)
119     VMOp_Terminating
120   };
121 
122  private:
123   Thread*         _calling_thread;
124 
125   // The VM operation name array
126   static const char* _names[];
127 
128  public:
129   VM_Operation() : _calling_thread(NULL) {}