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src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/debugger/linux/LinuxDebuggerLocal.java

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 104     private native void setSAAltRoot0(String altroot);
 105     private native void attach0(int pid)
 106                                 throws DebuggerException;
 107     private native void attach0(String execName, String coreName)
 108                                 throws DebuggerException;
 109     private native void detach0()
 110                                 throws DebuggerException;
 111     private native long lookupByName0(String objectName, String symbol)
 112                                 throws DebuggerException;
 113     private native ClosestSymbol lookupByAddress0(long address)
 114                                 throws DebuggerException;
 115     private native long[] getThreadIntegerRegisterSet0(int lwp_id)
 116                                 throws DebuggerException;
 117     private native byte[] readBytesFromProcess0(long address, long numBytes)
 118                                 throws DebuggerException;
 119     public native static int  getAddressSize() ;
 120 
 121     @Override
 122     public native String demangle(String sym);
 123 







 124     // Note on Linux threads are really processes. When target process is
 125     // attached by a serviceability agent thread, only that thread can do
 126     // ptrace operations on the target. This is because from kernel's point
 127     // view, other threads are just separate processes and they are not
 128     // attached to the target. When they attempt to make ptrace calls,
 129     // an ESRCH error will be returned as kernel believes target is not
 130     // being traced by the caller.
 131     // To work around the problem, we use a worker thread here to handle
 132     // all JNI functions that are making ptrace calls.
 133 
 134     interface WorkerThreadTask {
 135        public void doit(LinuxDebuggerLocal debugger) throws DebuggerException;
 136     }
 137 
 138     class LinuxDebuggerLocalWorkerThread extends Thread {
 139        LinuxDebuggerLocal debugger;
 140        WorkerThreadTask task;
 141        DebuggerException lastException;
 142 
 143        public LinuxDebuggerLocalWorkerThread(LinuxDebuggerLocal debugger) {




 104     private native void setSAAltRoot0(String altroot);
 105     private native void attach0(int pid)
 106                                 throws DebuggerException;
 107     private native void attach0(String execName, String coreName)
 108                                 throws DebuggerException;
 109     private native void detach0()
 110                                 throws DebuggerException;
 111     private native long lookupByName0(String objectName, String symbol)
 112                                 throws DebuggerException;
 113     private native ClosestSymbol lookupByAddress0(long address)
 114                                 throws DebuggerException;
 115     private native long[] getThreadIntegerRegisterSet0(int lwp_id)
 116                                 throws DebuggerException;
 117     private native byte[] readBytesFromProcess0(long address, long numBytes)
 118                                 throws DebuggerException;
 119     public native static int  getAddressSize() ;
 120 
 121     @Override
 122     public native String demangle(String sym);
 123 
 124     public native long findLibPtrByAddress0(long pc);
 125 
 126     @Override
 127     public long findLibPtrByAddress(Address pc) {
 128       return findLibPtrByAddress0(pc.asLongValue());
 129     }
 130 
 131     // Note on Linux threads are really processes. When target process is
 132     // attached by a serviceability agent thread, only that thread can do
 133     // ptrace operations on the target. This is because from kernel's point
 134     // view, other threads are just separate processes and they are not
 135     // attached to the target. When they attempt to make ptrace calls,
 136     // an ESRCH error will be returned as kernel believes target is not
 137     // being traced by the caller.
 138     // To work around the problem, we use a worker thread here to handle
 139     // all JNI functions that are making ptrace calls.
 140 
 141     interface WorkerThreadTask {
 142        public void doit(LinuxDebuggerLocal debugger) throws DebuggerException;
 143     }
 144 
 145     class LinuxDebuggerLocalWorkerThread extends Thread {
 146        LinuxDebuggerLocal debugger;
 147        WorkerThreadTask task;
 148        DebuggerException lastException;
 149 
 150        public LinuxDebuggerLocalWorkerThread(LinuxDebuggerLocal debugger) {


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