1 /*
   2  * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2015, Red Hat Inc.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 package sun.jvm.hotspot.debugger.proc.aarch64;
  27 
  28 import sun.jvm.hotspot.debugger.*;
  29 import sun.jvm.hotspot.debugger.aarch64.*;
  30 import sun.jvm.hotspot.debugger.proc.*;
  31 import sun.jvm.hotspot.utilities.*;
  32 
  33 public class ProcAARCH64Thread implements ThreadProxy {
  34     private ProcDebugger debugger;
  35     private int         id;
  36 
  37     public ProcAARCH64Thread(ProcDebugger debugger, Address addr) {
  38         this.debugger = debugger;
  39 
  40         // FIXME: the size here should be configurable. However, making it
  41         // so would produce a dependency on the "types" package from the
  42         // debugger package, which is not desired.
  43         this.id       = (int) addr.getCIntegerAt(0, 4, true);
  44     }
  45 
  46     public ProcAARCH64Thread(ProcDebugger debugger, long id) {
  47         this.debugger = debugger;
  48         this.id = (int) id;
  49     }
  50 
  51     public ThreadContext getContext() throws IllegalThreadStateException {
  52         ProcAARCH64ThreadContext context = new ProcAARCH64ThreadContext(debugger);
  53         long[] regs = debugger.getThreadIntegerRegisterSet(id);
  54         if (Assert.ASSERTS_ENABLED) {
  55             Assert.that(regs.length == AARCH64ThreadContext.NPRGREG, "size mismatch");
  56         }
  57         for (int i = 0; i < regs.length; i++) {
  58             context.setRegister(i, regs[i]);
  59         }
  60         return context;
  61     }
  62 
  63     public boolean canSetContext() throws DebuggerException {
  64         return false;
  65     }
  66 
  67     public void setContext(ThreadContext context)
  68     throws IllegalThreadStateException, DebuggerException {
  69         throw new DebuggerException("Unimplemented");
  70     }
  71 
  72     public String toString() {
  73         return "t@" + id;
  74     }
  75 
  76     public boolean equals(Object obj) {
  77         if ((obj == null) || !(obj instanceof ProcAARCH64Thread)) {
  78             return false;
  79         }
  80 
  81         return (((ProcAARCH64Thread) obj).id == id);
  82     }
  83 
  84     public int hashCode() {
  85         return id;
  86     }
  87 }