import sun.jvm.hotspot.debugger.cdbg.ClosestSymbol; //导入依赖的package包/类
/** From the BsdCDebugger interface */
public synchronized ClosestSymbol lookup(long addr) {
   requireAttach();
   if (isCore) {
      return lookupByAddress0(addr);
   } else {
      class LookupByAddressTask implements WorkerThreadTask {
         long addr;
         ClosestSymbol result;

         public void doit(BsdDebuggerLocal debugger) {
             result = debugger.lookupByAddress0(addr);
         }
      }

      LookupByAddressTask task = new LookupByAddressTask();
      task.addr = addr;
      workerThread.execute(task);
      return task.result;
   }
}
 

import sun.jvm.hotspot.debugger.cdbg.ClosestSymbol; //导入依赖的package包/类
/** From the LinuxCDebugger interface */
public synchronized ClosestSymbol lookup(long addr) {
   requireAttach();
   if (isCore) {
      return lookupByAddress0(addr);
   } else {
      class LookupByAddressTask implements WorkerThreadTask {
         long addr;
         ClosestSymbol result;

         public void doit(LinuxDebuggerLocal debugger) {
             result = debugger.lookupByAddress0(addr);
         }
      }

      LookupByAddressTask task = new LookupByAddressTask();
      task.addr = addr;
      workerThread.execute(task);
      return task.result;
   }
}
 

import sun.jvm.hotspot.debugger.cdbg.ClosestSymbol; //导入依赖的package包/类
protected WrongTypeException newWrongTypeException(Address addr) {
  String message = "No suitable match for type of address " + addr;
  CDebugger cdbg = VM.getVM().getDebugger().getCDebugger();
  if (cdbg != null) {
    // Most common case: V-table pointer is the first field
    Address vtblPtr = addr.getAddressAt(0);
    LoadObject lo = cdbg.loadObjectContainingPC(vtblPtr);
    if (lo != null) {
      ClosestSymbol symbol = lo.closestSymbolToPC(vtblPtr);
      if (symbol != null) {
        message += " (nearest symbol is " + symbol.getName() + ")";
      }
    }
  }

  return new WrongTypeException(message);
}
 

import sun.jvm.hotspot.debugger.cdbg.ClosestSymbol; //导入依赖的package包/类
private ClosestSymbol createClosestSymbol(String name, long offset) {
   return new ClosestSymbol(name, offset);
}
 

import sun.jvm.hotspot.debugger.cdbg.ClosestSymbol; //导入依赖的package包/类
private native ClosestSymbol lookupByAddress0(long address)
throws DebuggerException;