java-interp.h (breakpoint_at): Declare.

* include/java-interp.h (breakpoint_at): Declare.
        * interpret.cc (breakpoint_at): New function.
        * gnu/classpath/jdwp/VMVirtualMachine.java (_event_list):
        New member.
        * gnu/classpath/jdwp/natVMVirtualMachine.cc (initialize):
        Initialize _event_list.
        (handle_single_step): If there is a breakpoint at the
        location at which we are stopping, do not send the notification.
        Instead add the event to a list of events that occur at this
        location.
        (jdwpBreakpointCB): If the event list is not empty, send
        whatever events are in it and the breakpoint event in a single
        notification.
        Mark parameter jni_env as MAYBE_UNUSED.
        * classpath/lib/gnu/classpath/jdwp/VMVirtualMachine.class:
        Regenerated.
        * gnu/classpath/jdwp/VMVirtualMachine.h: Regenerated.

From-SVN: r124777

libjava/include/java-interp.h

@@ -274,6 +274,9 @@ class _Jv_InterpMethod : public _Jv_MethodBase
      the insn or NULL if index is invalid. */
   pc_t set_insn (jlong index, pc_t insn);
 
+  // Is the given location in this method a breakpoint?
+  bool breakpoint_at (jlong index);
+
 #ifdef DIRECT_THREADED
   friend void _Jv_CompileMethod (_Jv_InterpMethod*);
 #endif