Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/debugger/linux/LinuxThread.java @ 0:a61af66fc99e jdk7-b24
Initial load
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/linux/LinuxThread.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,81 @@ +/* + * Copyright 2002-2003 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.linux; + +import sun.jvm.hotspot.debugger.*; + +class LinuxThread implements ThreadProxy { + private LinuxDebugger debugger; + private int lwp_id; + + /** The address argument must be the address of the _thread_id in the + OSThread. It's value is result ::gettid() call. */ + LinuxThread(LinuxDebugger 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. + this.lwp_id = (int) addr.getCIntegerAt(0, 4, true); + } + + LinuxThread(LinuxDebugger debugger, long id) { + this.debugger = debugger; + this.lwp_id = (int) id; + } + + public boolean equals(Object obj) { + if ((obj == null) || !(obj instanceof LinuxThread)) { + return false; + } + + return (((LinuxThread) obj).lwp_id == lwp_id); + } + + public int hashCode() { + return lwp_id; + } + + public String toString() { + return Integer.toString(lwp_id); + } + + public ThreadContext getContext() throws IllegalThreadStateException { + long[] data = debugger.getThreadIntegerRegisterSet(lwp_id); + ThreadContext context = LinuxThreadContextFactory.createThreadContext(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 context) + throws IllegalThreadStateException, DebuggerException { + throw new DebuggerException("Unimplemented"); + } +}