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view agent/src/share/classes/sun/jvm/hotspot/debugger/dummy/DummyDebugger.java @ 2245:638119ce7cfd
7009309: JSR 292: compiler/6991596/Test6991596.java crashes on fastdebug JDK7/b122
Reviewed-by: kvn, never
author | twisti |
---|---|
date | Tue, 01 Feb 2011 03:38:44 -0800 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2000, 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.dummy; import java.util.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.debugger.cdbg.CDebugger; import sun.jvm.hotspot.utilities.*; /** For testing purposes */ public class DummyDebugger extends DebuggerBase { private MachineDescription machDesc; public DummyDebugger(MachineDescription machDesc) { this.machDesc = machDesc; } public boolean hasProcessList() throws DebuggerException { return false; } public List getProcessList() throws DebuggerException { return null; } public void attach(int processID) throws DebuggerException { } public void attach(String executableName, String coreFileName) throws DebuggerException { } public boolean detach() { return true; } public Address parseAddress(String addrStr) { String s = addrStr.trim(); if (!s.startsWith("0x")) { throw new NumberFormatException(addrStr); } long l = 0; for (int i = 2; i < s.length(); ++i) { int val = charToNibble(s.charAt(i)); l <<= 4; l |= val; } return new DummyAddress(this, l); } public long getAddressValue(Address addr) { if (addr == null) return 0; return ((DummyAddress) addr).getValue(); } public String getOS() { return PlatformInfo.getOS(); } public String getCPU() { return PlatformInfo.getCPU(); } public MachineDescription getMachineDescription() throws DebuggerException { return machDesc; } public boolean hasConsole() { return false; } public String consoleExecuteCommand(String cmd) throws DebuggerException { throw new DebuggerException("unimplemented"); } public String getConsolePrompt() throws DebuggerException { throw new DebuggerException("unimplemented"); } public CDebugger getCDebugger() throws DebuggerException { return null; } public Address lookup(String objectName, String symbol) { return null; } public OopHandle lookupOop(String objectName, String symbol) { return null; } public ThreadProxy getThreadForIdentifierAddress(Address addr) { return null; } public ThreadProxy getThreadForThreadId(long id) { return null; } public ReadResult readBytesFromProcess(long address, long numBytes) throws DebuggerException { throw new DebuggerException("Unimplemented"); } public void writeBytesToProcess(long a, long b, byte[] buf) throws DebuggerException { throw new DebuggerException("Unimplemented"); } //---------------------------------------------------------------------- // Package-internal routines // String addressToString(DummyAddress addr) { StringBuffer buf = new StringBuffer(); buf.append("0x"); String val; if (addr == null) { val = "0"; } else { val = Long.toHexString(addr.getValue()); } for (int i = 0; i < ((2 * machDesc.getAddressSize()) - val.length()); i++) { buf.append('0'); } buf.append(val); return buf.toString(); } //---------------------------------------------------------------------- // Internals only below this point // private int charToNibble(char ascii) throws NumberFormatException { if (ascii >= '0' && ascii <= '9') { return ascii - '0'; } else if (ascii >= 'A' && ascii <= 'F') { return 10 + ascii - 'A'; } else if (ascii >= 'a' && ascii <= 'f') { return 10 + ascii - 'a'; } throw new NumberFormatException(new Character(ascii).toString()); } }