Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/amd64/WindbgAMD64Thread.java @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/amd64/WindbgAMD64Thread.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,103 @@ +/* + * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +package sun.jvm.hotspot.debugger.windbg.amd64; + +import sun.jvm.hotspot.debugger.*; +import sun.jvm.hotspot.debugger.amd64.*; +import sun.jvm.hotspot.debugger.windbg.*; + +class WindbgAMD64Thread implements ThreadProxy { + private WindbgDebugger debugger; + private long sysId; + private boolean gotID; + private long id; + + /** The address argument must be the address of the HANDLE of the + desired thread in the target process. */ + WindbgAMD64Thread(WindbgDebugger debugger, Address addr) { + this.debugger = debugger; + // FIXME: size of data fetched here should be configurable. + // However, making it so would produce a dependency on the "types" + // package from the debugger package, which is not desired. + + // another hack here is that we use sys thread id instead of handle. + // windbg can't get details based on handles it seems. + // I assume that osThread_win32 thread struct has _thread_id (which + // sys thread id) just after handle field. + + this.sysId = (int) addr.addOffsetTo(debugger.getAddressSize()).getCIntegerAt(0, 4, true); + gotID = false; + } + + WindbgAMD64Thread(WindbgDebugger debugger, long sysId) { + this.debugger = debugger; + this.sysId = sysId; + gotID = false; + } + + public ThreadContext getContext() throws IllegalThreadStateException { + long[] data = debugger.getThreadIntegerRegisterSet(getThreadID()); + WindbgAMD64ThreadContext context = new WindbgAMD64ThreadContext(debugger); + for (int i = 0; i < data.length; i++) { + context.setRegister(i, data[i]); + } + return context; + } + + public boolean canSetContext() throws DebuggerException { + return false; + } + + public void setContext(ThreadContext thrCtx) + throws IllegalThreadStateException, DebuggerException { + throw new DebuggerException("Unimplemented"); + } + + public boolean equals(Object obj) { + if ((obj == null) || !(obj instanceof WindbgAMD64Thread)) { + return false; + } + + return (((WindbgAMD64Thread) obj).getThreadID() == getThreadID()); + } + + public int hashCode() { + return (int) getThreadID(); + } + + public String toString() { + return Long.toString(getThreadID()); + } + + /** Retrieves the thread ID of this thread by examining the Thread + Information Block. */ + private long getThreadID() { + if (!gotID) { + id = debugger.getThreadIdFromSysId(sysId); + } + + return id; + } +}