1 /* 2 * Copyright (c) 2001, 2003, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.debugger.win32; 26 27 import java.io.*; 28 import java.util.*; 29 import sun.jvm.hotspot.debugger.*; 30 import sun.jvm.hotspot.debugger.cdbg.*; 31 import sun.jvm.hotspot.debugger.cdbg.basic.x86.*; 32 import sun.jvm.hotspot.debugger.x86.*; 33 import sun.jvm.hotspot.utilities.AddressOps; 34 35 class Win32CDebugger implements CDebugger, ProcessControl { 36 // FIXME: think about how to make this work in a remote debugging 37 // scenario; who should keep open DLLs? Need local copies of these 38 // DLLs on the debugging machine? 39 private Win32Debugger dbg; 40 41 Win32CDebugger(Win32Debugger dbg) { 42 this.dbg = dbg; 43 } 44 45 public List getThreadList() throws DebuggerException { 46 return dbg.getThreadList(); 47 } 48 49 public List/*<LoadObject>*/ getLoadObjectList() throws DebuggerException{ 50 return dbg.getLoadObjectList(); 51 } 52 53 public LoadObject loadObjectContainingPC(Address pc) throws DebuggerException { 54 // FIXME: could keep sorted list of these to be able to do binary 55 // searches, for better scalability 56 if (pc == null) { 57 return null; 58 } 59 List objs = getLoadObjectList(); 60 for (Iterator iter = objs.iterator(); iter.hasNext(); ) { 61 LoadObject obj = (LoadObject) iter.next(); 62 if (AddressOps.lte(obj.getBase(), pc) && (pc.minus(obj.getBase()) < obj.getSize())) { 63 return obj; 64 } 65 } 66 return null; 67 } 68 69 public CFrame topFrameForThread(ThreadProxy thread) throws DebuggerException { 70 X86ThreadContext context = (X86ThreadContext) thread.getContext(); 71 Address ebp = context.getRegisterAsAddress(X86ThreadContext.EBP); 72 if (ebp == null) return null; 73 Address pc = context.getRegisterAsAddress(X86ThreadContext.EIP); 74 if (pc == null) return null; 75 return new X86CFrame(this, ebp, pc); 76 } 77 78 public String getNameOfFile(String fileName) { 79 return new File(fileName).getName(); 80 } 81 82 public ProcessControl getProcessControl() throws DebuggerException { 83 return this; 84 } 85 86 // C++ name demangling 87 public boolean canDemangle() { 88 return false; 89 } 90 91 public String demangle(String sym) { 92 throw new UnsupportedOperationException(); 93 } 94 95 // 96 // Support for ProcessControl interface 97 // 98 99 public void suspend() throws DebuggerException { 100 dbg.suspend(); 101 } 102 public void resume() throws DebuggerException { 103 dbg.resume(); 104 } 105 public boolean isSuspended() throws DebuggerException { 106 return dbg.isSuspended(); 107 } 108 public void setBreakpoint(Address addr) throws DebuggerException { 109 dbg.setBreakpoint(addr); 110 } 111 public void clearBreakpoint(Address addr) throws DebuggerException { 112 dbg.clearBreakpoint(addr); 113 } 114 public boolean isBreakpointSet(Address addr) throws DebuggerException { 115 return dbg.isBreakpointSet(addr); 116 } 117 public DebugEvent debugEventPoll() throws DebuggerException { 118 return dbg.debugEventPoll(); 119 } 120 public void debugEventContinue() throws DebuggerException { 121 dbg.debugEventContinue(); 122 } 123 }