Mercurial > hg > graal-jvmci-8
view agent/src/share/classes/sun/jvm/hotspot/debugger/win32/Win32Thread.java @ 2072:d6cd0d55d0b5
6987812: 2/3 SAJDI: "gHotSpotVMTypes was not initialized properly in the remote process"
Summary: Change ExportDirectoryTableImpl to return the 'Export RVA' field without modification. Read 'Base Of Data' field in optional header when PE32 format COFF file is read. Refine search for dbgeng.dll and dbghelp.dll. Other cleanups.
Reviewed-by: swamyv, poonam
author | dcubed |
---|---|
date | Thu, 23 Dec 2010 07:58:35 -0800 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2001, 2004, 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.win32; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.debugger.x86.*; class Win32Thread implements ThreadProxy { private Win32Debugger debugger; private int handle; private boolean mustDuplicate; private boolean gotID; private int id; /** The address argument must be the address of the HANDLE of the desired thread in the target process. */ Win32Thread(Win32Debugger 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.handle = (int) addr.getCIntegerAt(0, 4, true); // Thread handles in the target process must be duplicated before // fetching their contexts mustDuplicate = true; gotID = false; } /** The integer argument must be the value of a HANDLE received from the "threadlist" operation. */ Win32Thread(Win32Debugger debugger, long handle) { this.debugger = debugger; this.handle = (int) handle; mustDuplicate = false; gotID = false; } public ThreadContext getContext() throws IllegalThreadStateException { if (!debugger.isSuspended()) { throw new IllegalThreadStateException("Target process must be suspended"); } long[] data = debugger.getThreadIntegerRegisterSet(handle, mustDuplicate); Win32ThreadContext context = new Win32ThreadContext(debugger); for (int i = 0; i < data.length; i++) { context.setRegister(i, data[i]); } return context; } public boolean canSetContext() throws DebuggerException { return true; } public void setContext(ThreadContext thrCtx) throws IllegalThreadStateException, DebuggerException { if (!debugger.isSuspended()) { throw new IllegalThreadStateException("Target process must be suspended"); } X86ThreadContext context = (X86ThreadContext) thrCtx; long[] data = new long[X86ThreadContext.NPRGREG]; for (int i = 0; i < data.length; i++) { data[i] = context.getRegister(i); } debugger.setThreadIntegerRegisterSet(handle, mustDuplicate, data); } public boolean equals(Object obj) { if ((obj == null) || !(obj instanceof Win32Thread)) { return false; } return (((Win32Thread) obj).getThreadID() == getThreadID()); } public int hashCode() { return getThreadID(); } public String toString() { return Integer.toString(getThreadID()); } /** Retrieves the thread ID of this thread by examining the Thread Information Block. */ private int getThreadID() { if (!gotID) { try { // Get thread context X86ThreadContext context = (X86ThreadContext) getContext(); // Get LDT entry for FS register Win32LDTEntry ldt = debugger.getThreadSelectorEntry(handle, mustDuplicate, (int) context.getRegister(X86ThreadContext.FS)); // Get base address of segment = Thread Environment Block (TEB) Address teb = debugger.newAddress(ldt.getBase()); // Thread ID is at offset 0x24 id = (int) teb.getCIntegerAt(0x24, 4, true); gotID = true; } catch (AddressException e) { throw new DebuggerException(e); } } return id; } }