Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/debugger/proc/x86/ProcX86Thread.java @ 650:54782a4cd321
6812971: SA: re-attaching to process fails
Summary: After attaching, de-attaching SA from a process, the second time attach() call fails. This happens because in VM.initialize(), Universe does not get re-initialized before it is accessed.
Reviewed-by: swamyv
author | poonam |
---|---|
date | Sun, 15 Mar 2009 18:11:46 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * 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.proc.x86; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.debugger.x86.*; import sun.jvm.hotspot.debugger.proc.*; import sun.jvm.hotspot.utilities.*; public class ProcX86Thread implements ThreadProxy { private ProcDebugger debugger; private int id; public ProcX86Thread(ProcDebugger debugger, Address addr) { this.debugger = debugger; // FIXME: the size 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.id = (int) addr.getCIntegerAt(0, 4, true); } public ProcX86Thread(ProcDebugger debugger, long id) { this.debugger = debugger; this.id = (int) id; } public ThreadContext getContext() throws IllegalThreadStateException { ProcX86ThreadContext context = new ProcX86ThreadContext(debugger); long[] regs = debugger.getThreadIntegerRegisterSet(id); /* _NGREG in reg.h is defined to be 19. Because we have included debug registers X86ThreadContext.NPRGREG is 25. */ if (Assert.ASSERTS_ENABLED) { Assert.that(regs.length <= X86ThreadContext.NPRGREG, "size of register set is greater than " + X86ThreadContext.NPRGREG); } for (int i = 0; i < regs.length; i++) { context.setRegister(i, regs[i]); } return context; } public boolean canSetContext() throws DebuggerException { return false; } public void setContext(ThreadContext context) throws IllegalThreadStateException, DebuggerException { throw new DebuggerException("Unimplemented"); } public String toString() { return "t@" + id; } public boolean equals(Object obj) { if ((obj == null) || !(obj instanceof ProcX86Thread)) { return false; } return (((ProcX86Thread) obj).id == id); } public int hashCode() { return id; } }