Mercurial > hg > graal-jvmci-8
view agent/src/share/classes/sun/jvm/hotspot/debugger/bsd/BsdThread.java @ 8023:758935f7c23f
8006423: SA: NullPointerException in sun.jvm.hotspot.debugger.bsd.BsdThread.getContext(BsdThread.java:67)
Summary: Do not rely on mach thread port names to identify threads from SA
Reviewed-by: dholmes, minqi, rbackman
author | sla |
---|---|
date | Fri, 08 Feb 2013 12:48:24 +0100 |
parents | f08d439fab8c |
children | 39432a1cefdd |
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/* * Copyright (c) 2002, 2003, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package sun.jvm.hotspot.debugger.bsd; import sun.jvm.hotspot.debugger.*; class BsdThread implements ThreadProxy { private BsdDebugger debugger; private int thread_id; private long unique_thread_id; /** The address argument must be the address of the _thread_id in the OSThread. It's value is result ::gettid() call. */ BsdThread(BsdDebugger debugger, Address threadIdAddr, Address uniqueThreadIdAddr) { 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.thread_id = (int) threadIdAddr.getCIntegerAt(0, 4, true); this.unique_thread_id = uniqueThreadIdAddr.getCIntegerAt(0, 8, true); } BsdThread(BsdDebugger debugger, long id) { this.debugger = debugger; this.thread_id = (int) id; } public boolean equals(Object obj) { if ((obj == null) || !(obj instanceof BsdThread)) { return false; } return (((BsdThread) obj).thread_id == thread_id); } public int hashCode() { return thread_id; } public String toString() { return Integer.toString(thread_id); } public ThreadContext getContext() throws IllegalThreadStateException { long[] data = debugger.getThreadIntegerRegisterSet(unique_thread_id); ThreadContext context = BsdThreadContextFactory.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"); } }