8314197: AttachListener::pd_find_operation always returning nullptr

Reviewed-by: dholmes, cjplummer, sspitsyn

Author: MBaesken

src/hotspot/os/aix/attachListener_aix.cpp

@@ -579,10 +579,6 @@ void AttachListener::pd_data_dump() {
   os::signal_notify(SIGQUIT);
 }
 
-AttachOperationFunctionInfo* AttachListener::pd_find_operation(const char* n) {
-  return nullptr;
-}
-
 jint AttachListener::pd_set_flag(AttachOperation* op, outputStream* out) {
   out->print_cr("flag '%s' cannot be changed", op->arg(0));
   return JNI_ERR;

src/hotspot/os/bsd/attachListener_bsd.cpp

@@ -542,10 +542,6 @@ void AttachListener::pd_data_dump() {
   os::signal_notify(SIGQUIT);
 }
 
-AttachOperationFunctionInfo* AttachListener::pd_find_operation(const char* n) {
-  return nullptr;
-}
-
 jint AttachListener::pd_set_flag(AttachOperation* op, outputStream* out) {
   out->print_cr("flag '%s' cannot be changed", op->arg(0));
   return JNI_ERR;

src/hotspot/os/linux/attachListener_linux.cpp

@@ -547,10 +547,6 @@ void AttachListener::pd_data_dump() {
   os::signal_notify(SIGQUIT);
 }
 
-AttachOperationFunctionInfo* AttachListener::pd_find_operation(const char* n) {
-  return nullptr;
-}
-
 jint AttachListener::pd_set_flag(AttachOperation* op, outputStream* out) {
   out->print_cr("flag '%s' cannot be changed", op->arg(0));
   return JNI_ERR;

src/hotspot/os/windows/attachListener_windows.cpp

@@ -391,10 +391,6 @@ void AttachListener::pd_data_dump() {
   os::signal_notify(SIGBREAK);
 }
 
-AttachOperationFunctionInfo* AttachListener::pd_find_operation(const char* n) {
-  return nullptr;
-}
-
 jint AttachListener::pd_set_flag(AttachOperation* op, outputStream* out) {
   out->print_cr("flag '%s' cannot be changed", op->arg(0));
   return JNI_ERR;

src/hotspot/share/services/attachListener.cpp

@@ -411,11 +411,6 @@ void AttachListenerThread::thread_entry(JavaThread* thread, TRAPS) {
         }
       }
 
-      // check for platform dependent attach operation
-      if (info == nullptr) {
-        info = AttachListener::pd_find_operation(op->name());
-      }
-
       if (info != nullptr) {
         // dispatch to the function that implements this operation
         res = (info->func)(op, &st);

src/hotspot/share/services/attachListener.hpp

@@ -121,9 +121,6 @@ class AttachListener: AllStatic {
   // platform specific initialization
   static int pd_init();
 
-  // platform specific operation
-  static AttachOperationFunctionInfo* pd_find_operation(const char* name);
-
   // platform specific flag change
   static jint pd_set_flag(AttachOperation* op, outputStream* out);