1 /* 2 * Copyright (c) 2020, Microsoft Corporation. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.debugger.windbg.aarch64; 26 27 import sun.jvm.hotspot.debugger.*; 28 import sun.jvm.hotspot.debugger.aarch64.*; 29 import sun.jvm.hotspot.debugger.windbg.*; 30 31 class WindbgAARCH64Thread implements ThreadProxy { 32 private WindbgDebugger debugger; 33 private long sysId; 34 private boolean gotID; 35 private long id; 36 37 // The address argument must be the address of the OSThread::_thread_id 38 WindbgAARCH64Thread(WindbgDebugger debugger, Address addr) { 39 this.debugger = debugger; 40 this.sysId = (long)addr.getCIntegerAt(0, 4, true); 41 gotID = false; 42 } 43 44 WindbgAARCH64Thread(WindbgDebugger debugger, long sysId) { 45 this.debugger = debugger; 46 this.sysId = sysId; 47 gotID = false; 48 } 49 50 public ThreadContext getContext() throws IllegalThreadStateException { 51 long[] data = debugger.getThreadIntegerRegisterSet(getThreadID()); 52 WindbgAARCH64ThreadContext context = new WindbgAARCH64ThreadContext(debugger); 53 for (int i = 0; i < data.length; i++) { 54 context.setRegister(i, data[i]); 55 } 56 return context; 57 } 58 59 public boolean canSetContext() throws DebuggerException { 60 return false; 61 } 62 63 public void setContext(ThreadContext thrCtx) 64 throws IllegalThreadStateException, DebuggerException { 65 throw new DebuggerException("Unimplemented"); 66 } 67 68 public boolean equals(Object obj) { 69 if ((obj == null) || !(obj instanceof WindbgAARCH64Thread)) { 70 return false; 71 } 72 73 return (((WindbgAARCH64Thread) obj).getThreadID() == getThreadID()); 74 } 75 76 public int hashCode() { 77 return (int) getThreadID(); 78 } 79 80 public String toString() { 81 return Long.toString(getThreadID()); 82 } 83 84 /** Retrieves the thread ID of this thread by examining the Thread 85 Information Block. */ 86 private long getThreadID() { 87 if (!gotID) { 88 id = debugger.getThreadIdFromSysId(sysId); 89 } 90 91 return id; 92 } 93 }