Mercurial > hg > graal-jvmci-8
view agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/x86/WindbgX86Thread.java @ 3960:f08d439fab8c
7089790: integrate bsd-port changes
Reviewed-by: kvn, twisti, jrose
Contributed-by: Kurt Miller <kurt@intricatesoftware.com>, Greg Lewis <glewis@eyesbeyond.com>, Jung-uk Kim <jkim@freebsd.org>, Christos Zoulas <christos@zoulas.com>, Landon Fuller <landonf@plausible.coop>, The FreeBSD Foundation <board@freebsdfoundation.org>, Michael Franz <mvfranz@gmail.com>, Roger Hoover <rhoover@apple.com>, Alexander Strange <astrange@apple.com>
author | never |
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date | Sun, 25 Sep 2011 16:03:29 -0700 |
parents | c18cbe5936b8 |
children | 43badbe2717a |
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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.windbg.x86; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.debugger.x86.*; import sun.jvm.hotspot.debugger.windbg.*; class WindbgX86Thread 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. */ WindbgX86Thread(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; } WindbgX86Thread(WindbgDebugger debugger, long sysId) { this.debugger = debugger; this.sysId = sysId; gotID = false; } public ThreadContext getContext() throws IllegalThreadStateException { long[] data = debugger.getThreadIntegerRegisterSet(getThreadID()); WindbgX86ThreadContext context = new WindbgX86ThreadContext(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 WindbgX86Thread)) { return false; } return (((WindbgX86Thread) 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; } }