Ejemplo n.º 1
0
        public ColorString ToColorString()
        {
            // return DbgProvider.FormatAddress( BaseAddress,
            //                                   Debugger.TargetIs32Bit,
            //                                   true )
            //             .Append( " " )
            //             .Append( DbgProvider.FormatAddress( BaseAddress + Size,
            //                                                 Debugger.TargetIs32Bit,
            //                                                 true ) )
            //             .Append( " " )
            //             .AppendPushPopFgBg( ConsoleColor.Black,
            //                                 ConsoleColor.DarkYellow,
            //                                 Name )
            //             .Append( Name.Length < 20 ? new String( ' ', 20 - Name.Length ) : String.Empty )
            //             .Append( SymbolStatus );

            return(DbgProvider.ColorizeModuleName(Name)
                   .Append("  ")
                   .Append(DbgProvider.FormatAddress(BaseAddress, Debugger.TargetIs32Bit,
                                                     true))
                   .Append(" ")
                   .Append(DbgProvider.FormatAddress(BaseAddress + Size,
                                                     Debugger.TargetIs32Bit,
                                                     true)));
        } // end ToColorString()
Ejemplo n.º 2
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        // TODO: Is this sufficient? I wonder what a function pointer that returns
        // a function pointer looks like...
        protected override ColorString GetColorName()
        {
            if (null == m_colorName)
            {
                var cs = new ColorString();

                cs.Append(DbgProvider.ColorizeTypeName(ReturnType.Name));
                cs.Append(" (*fn)( ");
                if (0 == Arguments.Count)
                {
                    cs.Append(DbgProvider.ColorizeTypeName("void"));
                    cs.Append(" ");
                }
                else
                {
                    for (int i = 0; i < Arguments.Count; i++)
                    {
                        cs.Append(DbgProvider.ColorizeTypeName(Arguments[i].ArgType.Name));
                        if (i < (Arguments.Count - 1))
                        {
                            cs.Append(",");
                        }

                        cs.Append(" ");
                    }
                }
                m_colorName = cs.Append(")").MakeReadOnly();
            }
            return(m_colorName);
        } // end GetColorName()
Ejemplo n.º 3
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        private DateTimeOffset _GetDbgEngLastEventTimestamp()
        {
            // Example:
            //
            //    Last event: ac8.2f8: Break instruction exception - code 80000003 (first/second chance not available)
            //      debugger time: Mon Oct 20 06:41:19.392 2014 (UTC - 7:00)

            DateTimeOffset timestamp = DateTimeOffset.MinValue;

            using (m_debugger.HandleDbgEngOutput((x) =>
            {
                x = x.Trim();
                const string debuggerTime = "debugger time: ";

                if (x.StartsWith(debuggerTime, StringComparison.OrdinalIgnoreCase))
                {
                    var tsStr = x.Substring(debuggerTime.Length);
                    if (!DbgProvider.TryParseDebuggerTimestamp(tsStr,
                                                               out timestamp))
                    {
                        var msg = Util.Sprintf("Huh... unable to parse dbgeng timestamp: {0}", tsStr);
                        LogManager.Trace(msg);
                        Util.Fail(msg);
                    }
                }
            }))
            {
                m_debugger.InvokeDbgEngCommand(".lastevent", false);
            }
            return(timestamp);
        } // end _GetDbgEngLastEventTimestamp()
Ejemplo n.º 4
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        public override ColorString ToColorString()
        {
            var cs = new ColorString().Append(DbgProvider.ColorizeModuleName(m_sym.Module.Name))
                     .Append("!")
                     .Append(DbgProvider.ColorizeTypeName(m_sym.Name));

            return(cs);
        }
Ejemplo n.º 5
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            public ColorString ToColorString()
            {
                if (null == m_cs)
                {
                    m_cs = new ColorString();
                    m_cs.Append(DbgProvider.ColorizeModuleName(m_udt.Module.Name))
                    .Append("!")
                    .Append(m_udt.ColorName)
                    .Append(" (size 0x")
                    .Append(m_udt.Size.ToString("x"))
                    .Append(")");

                    int widest = 16;
                    foreach (var item in Items)
                    {
                        var ddti = item.Item as DbgDataTypeInfo;
                        if (null != ddti)
                        {
                            widest = Math.Max(widest, ddti.Name.Length);
                        }
                    }

                    widest = Math.Min(widest, 40);

                    foreach (var item in Items)
                    {
                        m_cs.AppendLine()
                        .Append("   +0x")
                        .Append(item.Offset.ToString("x3"))
                        .Append(" ");

                        var ddti = item.Item as DbgDataTypeInfo;
                        if (null != ddti)
                        {
                            m_cs.Append(ColorString.MakeFixedWidth(ddti.Name, widest))
                            .Append(" : ")
                            .Append(ddti.DataType.ColorName);
                        }
                        else
                        {
                            VTableLayoutItem vli = (VTableLayoutItem)item;
                            var dvti             = (DbgVTableTypeInfo)item.Item;
                            m_cs.AppendPushFg(ConsoleColor.DarkGray);

                            if (vli.VTablePath.Count > 1)
                            {
                                m_cs.Append(vli.VTablePath[1].ColorName).Append(": ");
                            }
                            m_cs.Append(dvti.ToColorString())
                            .AppendPop();
                        }
                    }

                    m_cs.MakeReadOnly();
                } // end if( !m_cs )
                return(m_cs);
            }     // end ToColorString()
Ejemplo n.º 6
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        } // end _FormatBlocks()

        private ColorString _FormatCharsOnly(uint numColumns, uint bytesPerChar, Func <char, char> toDisplay)
        {
            if (0 == numColumns)
            {
                numColumns = 32; // documentation says it should be 48, but windbg seems to do 32 instead.
            }
            ColorString   cs      = new ColorString();
            StringBuilder sbChars = new StringBuilder((int)numColumns + 8);
            ulong         addr    = StartAddress;

            for (int idx = 0; idx < Count; idx++)
            {
                if (0 == (idx % numColumns))
                {
                    // This is the beginning of a new line.

                    // First finish off the last line if necessary:
                    if (sbChars.Length > 1)
                    {
                        sbChars.Append('"');
                        cs.AppendPushPopFg(ConsoleColor.Cyan, sbChars.ToString());
                    }

                    sbChars.Clear();
                    sbChars.Append('"');

                    if (0 != idx)
                    {
                        cs.AppendLine();
                    }

                    cs.Append(DbgProvider.FormatAddress(addr, m_is32Bit, true, true)).Append("  ");
                    addr += (ulong)numColumns * bytesPerChar;
                } // end start of new line

                // Widen to ulong to accommodate largest possible item.
                ulong val = (ulong)this[idx];

                if (0 == val)
                {
                    break;
                }

                sbChars.Append(toDisplay((char)val));
            } // end for( idx = 0 .. length )

            // Finish off last line.
            if (sbChars.Length > 1)
            {
                sbChars.Append('"');
                cs.AppendPushPopFg(ConsoleColor.Cyan, sbChars.ToString());
            }

            return(cs.MakeReadOnly());
        } // end _FormatCharsOnly()
Ejemplo n.º 7
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        public override ColorString ToColorString()
        {
            // TODO: This is the same as the DbgNativeFunction... factor out?
            // Or factor Module "in"? (Because maybe not all functions would have a
            // module?)
            var cs = new ColorString().Append(DbgProvider.ColorizeModuleName(Module.Name))
                     .Append("!")
                     .Append(DbgProvider.ColorizeTypeName(Name));

            return(cs);
        }
Ejemplo n.º 8
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        } // end Module


        public override ColorString ToColorString()
        {
            ColorString cs = new ColorString();

            if (null != Module)
            {
                cs.Append(DbgProvider.ColorizeModuleName(Module.Name)).Append("!");
            }
            cs.Append(DbgProvider.ColorizeTypeName(Name));
            return(cs);
        }
Ejemplo n.º 9
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        } // end constructor()

        public static DbgUnknownFunction Create(DbgEngDebugger debugger,
                                                DbgEngContext context,
                                                DEBUG_STACK_FRAME_EX nativeFrame)
        {
            ulong address = nativeFrame.InstructionOffset;

            string modName  = null;
            string funcName = null;
            ulong  offset   = 0;
            string fullname = null;

            // If our dbgeng has managed support (or support for whatever this is), let's
            // try that:

            if (0 != nativeFrame.InstructionOffset)
            {
                fullname = debugger.TryGetInfoFromFrame(nativeFrame,
                                                        out modName,
                                                        out funcName,
                                                        out offset);

                if (String.IsNullOrEmpty(fullname))
                {
                    LogManager.Trace("DbgUnknownFunction.Create: dbgeng doesn't know, either.");
                }
            }
            else
            {
                LogManager.Trace("DbgUnknownFunction.Create: we have no chance with an InstructionOffset of zero.");
            }

            if (String.IsNullOrEmpty(fullname))
            {
                funcName = DbgProvider.FormatUInt64(address, useTick: true);
            }
            else
            {
                address = address - offset;
            }

            return(new DbgUnknownFunction(debugger,
                                          context,
                                          nativeFrame,
                                          address,
                                          modName,
                                          funcName));
        } // end static Create() factory
Ejemplo n.º 10
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        } // end _FormatBits()

        private static ColorString _DefaultSymLookup(DbgEngDebugger debugger, ulong addr)
        {
            ulong  disp;
            string symName;

            if (debugger.TryGetNameByOffset(addr, out symName, out disp))
            {
                ColorString cs = DbgProvider.ColorizeSymbol(symName);
                if (disp != 0)
                {
                    cs.AppendPushPopFg(ConsoleColor.Gray, "+" + disp.ToString("x"));
                }

                return(cs);
            }
            return(ColorString.Empty);
        } // end _DefaultSymLookup()
Ejemplo n.º 11
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        } // end property Displacement


        public override string ToString()
        {
            if (null == Function)
            {
                // Let's see if dbgeng can do any better.
                try
                {
                    Util.Fail("We don't have a Function.");
                    ulong  displacement;
                    string fullname = GetNameByInlineContext(InstructionPointer,
                                                             NativeFrameEx.InlineFrameContext,
                                                             out displacement);
                    string modName, funcName;
                    ulong  dontCare;
                    DbgProvider.ParseSymbolName(fullname,
                                                out modName,
                                                out funcName,
                                                out dontCare);

                    if (displacement == 0)
                    {
                        return(fullname);
                    }
                    else
                    {
                        return(Util.Sprintf("{0}+0x{1:x}", fullname, displacement));
                    }
                }
                catch (DbgProviderException dpe)
                {
                    LogManager.Trace("Still couldn't get symbolic name: {0}", Util.GetExceptionMessages(dpe));
                }
            } // end if( !Function )

            if (Displacement == 0)
            {
                return(SymbolName);
            }
            else
            {
                return(Util.Sprintf("{0}+0x{1:x}", SymbolName, Displacement));
            }
        } // end ToString()
Ejemplo n.º 12
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        } // end _FormatCharsOnly()

        private ColorString _FormatBits()
        {
            ColorString cs            = new ColorString();
            uint        bytesPerValue = sizeof(uint);
            uint        bitsPerValue  = bytesPerValue * 8;
            ulong       addr          = StartAddress;

            for (int idx = 0; idx < Count; idx++)
            {
                if (0 != idx)
                {
                    cs.AppendLine();
                }

                cs.Append(DbgProvider.FormatAddress(addr, m_is32Bit, true, true)).Append(" ");
                addr += (ulong)bytesPerValue;

                uint val = this[idx];
                for (int i = 0; i < bitsPerValue; i++)
                {
                    if (i % 8 == 0)
                    {
                        cs.Append(" ");
                    }
                    uint mask = 0x80000000 >> i;
                    if ((mask & val) == mask)
                    {
                        cs.AppendPushPopFg(ConsoleColor.Green, "1");
                    }
                    else
                    {
                        cs.AppendPushPopFg(ConsoleColor.DarkGreen, "0");
                    }
                }

                cs.Append("  " + val.ToString("x").PadLeft(8, '0'));
            } // end for( idx = 0 .. length )

            return(cs.MakeReadOnly());
        } // end _FormatBits()
Ejemplo n.º 13
0
        private static ColorString _SummarizeModuleList(bool loadedMods, List <object> modObjList, int maxWidth)
        {
            ColorString cs = new ColorString();

            if (0 == modObjList.Count)
            {
                cs.AppendPushPopFg(ConsoleColor.DarkGray, "(0 modules)");
            }
            else
            {
                cs.Append(Util.Sprintf("{0} modules: ", modObjList.Count));

                for (int i = 0; i < Math.Min(modObjList.Count, 3); i++)
                {
                    if (i > 0)
                    {
                        cs.Append(", ");
                    }

                    DbgModuleInfo dmi = (DbgModuleInfo)modObjList[i];
                    if (loadedMods)
                    {
                        cs.Append(DbgProvider.ColorizeModuleName(dmi.Name));
                    }
                    else
                    {
                        cs.Append(dmi.ImageName);
                    }
                }

                if (modObjList.Count > 3)
                {
                    cs.Append(", ...");
                }
            }

            return(CaStringUtil.Truncate(cs.ToString(DbgProvider.HostSupportsColor), maxWidth));
        } // end _SummarizeModuleList()
Ejemplo n.º 14
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        public DbgValueScriptConverter(string typeName, ScriptBlock script, bool captureContext)
        {
            if (String.IsNullOrEmpty(typeName))
            {
                throw new ArgumentException("You must supply a type name.", "typeName");
            }

            if (null == script)
            {
                throw new ArgumentNullException("script");
            }

            TypeName = typeName;
            Script   = script;
            if (captureContext)
            {
                Context = DbgProvider.CapturePsContext();
            }
            else
            {
                Context = new PsContext();
            }
        } // end constructor
Ejemplo n.º 15
0
        } // end ToString()

        public ColorString ToColorString()
        {
            ColorString cs;

            if (0 == InstructionPointer)
            {
                cs = new ColorString(ConsoleColor.Red, "0")
                     .Append("   ")
                     .AppendPushFg(ConsoleColor.Yellow)
                     .Append("WARNING: Frame IP not in any known module. Following frames may be wrong.")
                     .AppendPop();
            }
            else
            {
                cs = DbgProvider.ColorizeSymbol(ToString());
                if ((null != Module) && (Module.SymbolType == DEBUG_SYMTYPE.EXPORT))
                {
                    // If we only have export symbols, let's give a visual clue:
                    cs = new ColorString().AppendPushBg(ConsoleColor.DarkRed).Append(cs).AppendPop();
                }
            }
            return(cs);
        } // end ToColorString()
Ejemplo n.º 16
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        public PsContextHelper(ScriptBlock scriptBlock,
                               PsContext withContext,
                               bool saveContext)
        {
            if (null == scriptBlock)
            {
                throw new ArgumentNullException("scriptBlock");
            }

            m_withContext = withContext;

            if (!saveContext)
            {
                m_scriptBlock = scriptBlock;
                return;
            }

            if (null == m_withContext)
            {
                m_withContext = new PsContext();
            }

            m_savedContext = new PSVariable(c_SavedContextVarName, null);
            m_withContext.Vars[m_savedContext.Name] = m_savedContext;

            m_ctxMarker = DbgProvider.SetContextStartMarker();

            // Hacking the scriptBlock and smuggling the context out like this is
            // pretty ugly. I don't know a better way, though--I'm open to
            // suggestions.
            m_scriptBlock = ScriptBlock.Create(Util.Sprintf(@"{0}
. ""{1}\\GetPsContextFunc.ps1""
${2} = Get-PsContext",
                                                            scriptBlock.ToString(),
                                                            DbgProvider.PsScriptRoot,
                                                            c_SavedContextVarName));
        } // end constructor
Ejemplo n.º 17
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        } // end _ZeroPad()

        private ColorString _FormatBlocks(int elemSize,
                                          int charsPerBlock,
                                          uint numColumns,
                                          AddtlInfo addtlInfo)
        {
            if (0 == numColumns)
            {
                numColumns = (uint)(16 / elemSize);
            }

            if (addtlInfo.HasFlag(AddtlInfo.Symbols))
            {
                numColumns = 1;
            }

            int           desiredLen = elemSize * 2;
            ColorString   cs         = new ColorString();
            StringBuilder sbChars    = new StringBuilder(20);
            ulong         addr       = StartAddress;

            cs.AppendPushFg(ConsoleColor.DarkGreen);

            for (int idx = 0; idx < Count; idx++)
            {
                if (0 == (idx % numColumns))
                {
                    // This is the beginning of a new line.

                    // First finish off the last line if necessary:
                    if (addtlInfo.HasFlag(AddtlInfo.Ascii))
                    {
                        if (sbChars.Length > 2)
                        {
                            cs.AppendPushPopFg(ConsoleColor.Cyan, sbChars.ToString());
                        }

                        sbChars.Clear();
                        sbChars.Append("  ");
                    }

                    if (0 != idx)
                    {
                        cs.AppendLine();
                    }

                    cs.Append(DbgProvider.FormatAddress(addr, m_is32Bit, true, true)).Append("  ");
                    addr += (ulong)(numColumns * elemSize);
                } // end start of new line
                else
                {
                    cs.Append(" ");
                }

                // Widen to ulong to accommodate largest possible item.
                ulong val = (ulong)this[idx];

                // This highlights the non-zero portion in [bright] green.
                cs.Append(_ZeroPad(val, desiredLen));

                if (addtlInfo.HasFlag(AddtlInfo.Symbols))
                {
                    ColorString csSym = ColorString.Empty;
                    if (val > 4096)  // don't even bother trying if it's too low.
                    {
                        csSym = m_lookupSymbol(val);
                        if (csSym.Length > 0)
                        {
                            cs.Append(" ").Append(csSym);
                        }
                    }
                    if (addtlInfo.HasFlag(AddtlInfo.Ascii))
                    {
                        if (0 == csSym.Length)
                        {
                            cs.Append("                                          ");
                            _AppendChars(sbChars, idx * elemSize, elemSize);
                        }
                    }
                } // end if( symbols )
                else if (addtlInfo.HasFlag(AddtlInfo.Ascii))
                {
                    _AppendChars(sbChars, idx * elemSize, elemSize);
                } // end else if( Ascii )
            }     // end for( idx = 0 .. length )

            // Finish off last line.
            if (sbChars.Length > 2)
            {
                // It could be a partial line, so we may need to adjust for that.
                int numMissing = (int)numColumns - ((sbChars.Length - 2) / elemSize);
                Util.Assert(numMissing >= 0);
                if (numMissing > 0)
                {
                    cs.Append(new String(' ', numMissing * charsPerBlock));
                }
                cs.AppendPushPopFg(ConsoleColor.Cyan, sbChars.ToString());
            }

            cs.AppendPop(); // pop DarkGreen

            return(cs.MakeReadOnly());
        } // end _FormatBlocks()
Ejemplo n.º 18
0
 public ColorString ToColorString(ConsoleColor color) => DbgProvider.FormatAddress(Value, Is32Bit, true, true, color);
Ejemplo n.º 19
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 public ColorString ToColorString() => DbgProvider.FormatAddress(Value, Is32Bit, true, true);
Ejemplo n.º 20
0
        } // end property OwningClass


        protected override ColorString GetColorName()
        {
            return(DbgProvider.ColorizeFunctionName(Name));
        } // end GetColorName()
Ejemplo n.º 21
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        public ColorString ToColorString()
        {
            if (DEBUG_EVENT.NONE == EventType)
            {
                return(ColorString.Empty);
            }

            ColorString csThreadId;

            if (0xffffffff == ThreadId)
            {
                csThreadId = new ColorString(ConsoleColor.Red, "ffffffff");
            }
            else
            {
                csThreadId = new ColorString(m_debugger.GetUModeThreadByDebuggerId(ThreadId).Tid.ToString("x"));
            }

            ColorString cs = new ColorString(ConsoleColor.Black, ConsoleColor.White, "     Last event:")
                             .Append(" ")
                             .Append(m_debugger.GetProcessSystemId(ProcessId).ToString("x"))
                             .Append(".")
                             .Append(csThreadId)
                             .Append(": ");

            DbgModuleInfo mod = null;
            string        tmp = null;

            string[] lines = null;

            switch (EventType)
            {
            case DEBUG_EVENT.NONE:
                Util.Fail("can't get here");       // we returned ColorString.Empty above
                break;

            case DEBUG_EVENT.BREAKPOINT:
                cs.Append(Description);

                break;

            case DEBUG_EVENT.EXCEPTION:
                tmp = ExceptionEventArgs._CreateMessage(m_debugger,
                                                        ExtraInformation.Exception.ExceptionRecord,
                                                        ExtraInformation.Exception.FirstChance != 0,
                                                        0,
                                                        null,
                                                        false).ToString(DbgProvider.HostSupportsColor);

                lines = tmp.Split(sm_newline, StringSplitOptions.None);

                cs.AppendLine(lines[0]);
                for (int i = 1; i < lines.Length; i++)
                {
                    cs.AppendPushPopFgBg(ConsoleColor.Black, ConsoleColor.White, "                ")
                    .Append(" ")
                    .Append(lines[i]);

                    if (i != lines.Length - 1)
                    {
                        cs.AppendLine();
                    }
                }

                break;

            case DEBUG_EVENT.CREATE_THREAD:
                cs.Append(Description);

                break;

            case DEBUG_EVENT.EXIT_THREAD:
                cs.Append(Description);

                break;

            case DEBUG_EVENT.CREATE_PROCESS:
                cs.Append(Description);

                break;

            case DEBUG_EVENT.EXIT_PROCESS:
                cs.Append(Description);

                break;

            case DEBUG_EVENT.LOAD_MODULE:
                //
                //   Last event: 9c84.3984: Load module C:\WINDOWS\system32\ADVAPI32.dll at 00007ffb`b0cd0000
                //     debugger time: Mon Oct 20 19:30:56.164 2014 (UTC - 7:00)

                mod = m_debugger.GetModuleByAddress(ExtraInformation.LoadModule.Base);
                cs.Append("Loaded module ")
                .AppendPushPopFg(ConsoleColor.White, mod.ImageName)
                .Append(" at ")
                .Append(DbgProvider.FormatAddress(ExtraInformation.LoadModule.Base,
                                                  m_debugger.TargetIs32Bit,
                                                  true));
                break;

            case DEBUG_EVENT.UNLOAD_MODULE:
                // TODO: test this!
                mod = m_debugger.GetModuleByAddress(ExtraInformation.UnloadModule.Base);
                cs.AppendPushPopFg(ConsoleColor.DarkRed, "Unloaded module ")
                .AppendPushPopFg(ConsoleColor.White, mod.ImageName)
                .Append(" at ")
                .Append(DbgProvider.FormatAddress(ExtraInformation.UnloadModule.Base,
                                                  m_debugger.TargetIs32Bit,
                                                  true));
                break;

            case DEBUG_EVENT.SYSTEM_ERROR:
                // TODO: test this!
                cs.AppendPushPopFgBg(ConsoleColor.White, ConsoleColor.Red, "System error:")
                .Append(" ")
                .AppendPushPopFg(ConsoleColor.Red, Util.FormatErrorCode(ExtraInformation.SystemError.Error))
                .Append(".")
                .AppendPushPopFg(ConsoleColor.Red, Util.FormatErrorCode(ExtraInformation.SystemError.Level));

                // TODO: This is a hack.
                var w32e = new System.ComponentModel.Win32Exception((int)ExtraInformation.SystemError.Error);
                cs.AppendLine();
                cs.AppendPushPopFg(ConsoleColor.Red, w32e.Message).Append(".");

                break;

            case DEBUG_EVENT.SESSION_STATUS:
                // DbgEng doesn't save these as "last events".
                Util.Fail(Util.Sprintf("Unexpected last event type: {0}", EventType));

                break;

            case DEBUG_EVENT.CHANGE_DEBUGGEE_STATE:
                // DbgEng doesn't save these as "last events".
                Util.Fail(Util.Sprintf("Unexpected last event type: {0}", EventType));

                break;

            case DEBUG_EVENT.CHANGE_ENGINE_STATE:
                // DbgEng doesn't save these as "last events".
                Util.Fail(Util.Sprintf("Unexpected last event type: {0}", EventType));

                break;

            case DEBUG_EVENT.CHANGE_SYMBOL_STATE:
                // DbgEng doesn't save these as "last events".
                Util.Fail(Util.Sprintf("Unexpected last event type: {0}", EventType));

                break;

            default:
                Util.Fail(Util.Sprintf("Unexpected event type: {0}", EventType));
                throw new Exception(Util.Sprintf("Unexpected event type: {0}", EventType));
            } // end switch( event type )


            cs.AppendLine()
            .AppendPushPopFgBg(ConsoleColor.Black, ConsoleColor.White, "  Debugger time:")
            .Append(" ")
            .Append(DbgProvider.FormatTimestamp(_GetDbgEngLastEventTimestamp(), true));

            return(cs);
        } // end ToColorString()
Ejemplo n.º 22
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 public DbgMemoryAccessException(ulong address, bool is32bit)
     : this(address,
            Util.Sprintf("Could not access memory: {0}",
                         DbgProvider.FormatAddress(address, is32bit, true)))
 {
 }
Ejemplo n.º 23
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 public override void WriteError(ErrorRecord er)
 {
     ThrowIfDisposed();
     DbgProvider.LogError(er);
     //m_errors.Add( er );
 }
Ejemplo n.º 24
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        } // end property Displacement


        public override string ToString()
        {
            if (null == Function)
            {
                // Let's see if dbgeng can do any better.
                try
                {
                    Util.Fail("We don't have a Function.");
                    ulong  displacement;
                    string fullname = GetNameByInlineContext(InstructionPointer,
                                                             NativeFrameEx.InlineFrameContext,
                                                             out displacement);
                    string modName, funcName;
                    ulong  dontCare;
                    DbgProvider.ParseSymbolName(fullname,
                                                out modName,
                                                out funcName,
                                                out dontCare);

                    if (displacement == 0)
                    {
                        return(fullname);
                    }
                    else
                    {
                        return(Util.Sprintf("{0}+0x{1:x}", fullname, displacement));
                    }
                }
                catch (DbgProviderException dpe)
                {
                    LogManager.Trace("Still couldn't get symbolic name: {0}", Util.GetExceptionMessages(dpe));
                }
            } // end if( !Function )

            try
            {
                string disp = String.Empty;

                if (Displacement != 0)
                {
                    disp = "+0x" + Displacement.ToString("x");
                }

                if (null != ManagedFrame)
                {
                    // TODO: Ideally we wouldn't deal with this at this layer; we would
                    // synthesize a DbgModuleInfo instead. But for now this is a handy
                    // workaround.
                    // https://github.com/Microsoft/DbgShell/issues/35

                    // It seems like dbgeng likes to replace dots in module names with
                    // underbars... why? I guess I should do the same?
                    return(ManagedFrame.ModuleName.Replace('.', '_') + "!" + ManagedFrame.Method.GetFullSignature() + disp);
                }

                return(SymbolName + disp);
            }
            catch (DbgProviderException dpe)
            {
                LogManager.Trace("Could not get symbol name: {0}", Util.GetExceptionMessages(dpe));
            }

            return(DbgProvider.FormatAddress(InstructionPointer,
                                             Debugger.TargetIs32Bit,
                                             useTick: true));
        } // end ToString()
Ejemplo n.º 25
0
        // Example:
        //
        //    0:009> r
        //     r0=00000000  r1=00000000  r2=00000000  r3=76fdcf09  r4=00000000  r5=028df6e0
        //     r6=028df730  r7=00000000  r8=00000001  r9=01507858 r10=015156a8 r11=028df8e8
        //    r12=00000000  sp=028df6c8  lr=00000000  pc=76ccce24 psr=600f0030 -ZC-- Thumb
        //    KERNELBASE!RaiseFailFastException+0x60:
        //    76ccce24 f000f846 bl          KERNELBASE!SignalStartWerSvc (76ccceb4)
        //
        public override ColorString ToColorString()
        {
            if (null == m_colorString)
            {
                ConsoleColor color;
                ColorString  cs = new ColorString(" r0=");
                color = GetColorForDiffAgainstBaseline("r0");
                cs.Append(R0.GetColorizedValueString(color));
                cs.Append("  r1=");
                color = GetColorForDiffAgainstBaseline("r1");
                cs.Append(R1.GetColorizedValueString(color));
                cs.Append("  r2=");
                color = GetColorForDiffAgainstBaseline("r2");
                cs.Append(R2.GetColorizedValueString(color));
                cs.Append("  r3=");
                color = GetColorForDiffAgainstBaseline("r3");
                cs.Append(R3.GetColorizedValueString(color));
                cs.Append("  r4=");
                color = GetColorForDiffAgainstBaseline("r4");
                cs.Append(R4.GetColorizedValueString(color));
                cs.Append("  r5=");
                color = GetColorForDiffAgainstBaseline("r5");
                cs.Append(R5.GetColorizedValueString(color));
                cs.AppendLine();

                cs.Append(" r6=");
                color = GetColorForDiffAgainstBaseline("r6");
                cs.Append(R6.GetColorizedValueString(color));
                cs.Append("  r7=");
                color = GetColorForDiffAgainstBaseline("r7");
                cs.Append(R7.GetColorizedValueString(color));
                cs.Append("  r8=");
                color = GetColorForDiffAgainstBaseline("r8");
                cs.Append(R8.GetColorizedValueString(color));
                cs.Append("  r9=");
                color = GetColorForDiffAgainstBaseline("r9");
                cs.Append(R9.GetColorizedValueString(color));
                cs.Append(" r10=");
                color = GetColorForDiffAgainstBaseline("r10");
                cs.Append(R10.GetColorizedValueString(color));
                cs.Append(" r11=");
                color = GetColorForDiffAgainstBaseline("r11");
                cs.Append(R11.GetColorizedValueString(color));
                cs.AppendLine();

                cs.Append("r12=");
                color = GetColorForDiffAgainstBaseline("r12");
                cs.Append(R12.GetColorizedValueString(color));
                cs.Append("  sp=");
                color = GetColorForDiffAgainstBaseline("sp");
                cs.Append(Sp.GetColorizedValueString(color));
                cs.Append("  lr=");
                color = GetColorForDiffAgainstBaseline("lr");
                cs.Append(Lr.GetColorizedValueString(color));
                cs.Append("  pc=");
                color = GetColorForDiffAgainstBaseline("pc");
                cs.Append(Pc.GetColorizedValueString(color));
                cs.Append(" psr=");
                color = GetColorForDiffAgainstBaseline("psr");
                cs.Append(Psr.GetColorizedValueString(color));

                // TODO:
                cs.AppendLine(" TBD: flags and mode");

                cs.Append(DbgProvider.ColorizeSymbol(StackFrame.SymbolName));
                if (0 != StackFrame.Displacement)
                {
                    cs.Append("+0x");
                    cs.Append(StackFrame.Displacement.ToString("x"));
                }
                cs.AppendLine(":");
                cs.Append(Disasm(Pc.ValueAsPointer));

                m_colorString = cs;
            }
            return(m_colorString);
        } // end ToString()
Ejemplo n.º 26
0
        } // end property Frames


        public IEnumerable <DbgStackFrameInfo> EnumerateStackFrames()
        {
            if (null != m_frames)
            {
                return(m_frames);
            }

            m_frames = new List <DbgStackFrameInfo>();

            bool noException = false;

            try
            {
                return(Debugger.ExecuteOnDbgEngThread(() =>
                {
                    using (new DbgEngContextSaver(Debugger, Context))
                    {
                        WDebugControl dc = (WDebugControl)Debugger.DebuggerInterface;

                        /* TODO: I guess frameOffset doesn't do what I think it does... or maybe I need to file a bug.
                         * //int stride = 64;
                         * int stride = 3;
                         * ulong frameOffset = 0;
                         * int hr = 0;
                         * DEBUG_STACK_FRAME_EX[] frames = new DEBUG_STACK_FRAME_EX[ stride ];
                         * while( true )
                         * {
                         *  uint framesFilled = 0;
                         *  hr = dc.GetStackTraceEx( frameOffset, 0, 0, frames, frames.Length, out framesFilled );
                         *
                         *  CheckHr( hr );
                         *
                         *  if( 0 == framesFilled )
                         *      break;
                         *
                         *  for( int i = 0; i < framesFilled; i++ )
                         *  {
                         *      var newFrame = new StackFrameInfo( Debugger, frames[ i ] );
                         *      m_frames.Add( newFrame );
                         *      //yield return newFrame; hmm, can't mix an iterator with the straight 'return' above
                         *  }
                         *
                         *  frameOffset += 3;
                         * } // while( keep requesting more frames )
                         */

                        DEBUG_STACK_FRAME_EX[] frames;
                        int hr = dc.GetStackTraceEx(0,      // frameOffset
                                                    0,      // stackOffset
                                                    0,      // instructionOffset
                                                    MaxFrameCount,
                                                    out frames);

                        CheckHr(hr);

                        int[] managedFrameIndices;

                        try
                        {
                            managedFrameIndices = new int[Thread.ManagedThreads.Count];
                        }
                        catch (InvalidOperationException ioe)
                        {
                            //
                            // Likely "Mismatched architecture between this process
                            // and the dac." No managed code information for you, sir.
                            //

                            DbgProvider.RequestExecuteBeforeNextPrompt(
                                Util.Sprintf("Write-Warning 'Could not get managed thread/frame information: {0}'",
                                             System.Management.Automation.Language.CodeGeneration.EscapeSingleQuotedStringContent(Util.GetExceptionMessages(ioe))));
                            managedFrameIndices = new int[0];

                            // (and remember not to keep trying to get managed info)
                            Debugger.ClrMdDisabled = true;
                        }

                        foreach (var nativeFrame in frames)
                        {
                            ClrStackFrame managedFrame = null;
                            for (int i = 0; i < managedFrameIndices.Length; i++)
                            {
                                var mThread = Thread.ManagedThreads[i];
                                int mFrameIdx = managedFrameIndices[i];
                                // It's possible that a thread is marked as a managed
                                // thread, but has no stack frames. (I've seen this,
                                // for instance, at the final breakpoint of a managed
                                // app.)
                                if (0 == mThread.StackTrace.Count)
                                {
                                    continue;
                                }

                                if (mFrameIdx >= mThread.StackTrace.Count)
                                {
                                    // We've exhausted the managed frames for this
                                    // particular managed thread.
                                    continue;
                                }

                                var mFrame = mThread.StackTrace[mFrameIdx];
                                while ((0 == mFrame.InstructionPointer) &&
                                       (mFrameIdx < (mThread.StackTrace.Count - 1)))      // still at least one more frame below?
                                {
                                    // It's some sort of "helper" or GC frame or
                                    // something, which we need to skip.
                                    mFrameIdx++;
                                    managedFrameIndices[i] = mFrameIdx;
                                    mFrame = mThread.StackTrace[mFrameIdx];
                                }

                                if (nativeFrame.InstructionOffset == mFrame.InstructionPointer)
                                {
                                    managedFrame = mFrame;
                                    managedFrameIndices[i] += 1;
                                    break;
                                }
                            }

                            var newFrame = new DbgStackFrameInfo(Debugger,
                                                                 m_thread,
                                                                 nativeFrame,
                                                                 managedFrame);
                            m_frames.Add(newFrame);
                        }

                        noException = true;
                        return m_frames;
                    }     // end using( context saver )
                }));
            }
            finally
            {
                if (!noException)
                {
                    m_frames = null; // so we can try again (handy for debugging)
                }
            }
        } // end EnumerateStackFrames()
Ejemplo n.º 27
0
            } // end ChangeDebuggeeState()

            public int ChangeEngineState(DEBUG_CES Flags, ulong Argument)
            {
                LogManager.Trace("ChangeEngineState: {0}, 0x{1:x}", Flags, Argument);
                try
                {
                    var eventArgs = new EngineStateChangedEventArgs(m_debugger, Flags, Argument);
                    if (eventArgs.Flags.HasFlag(DEBUG_CES.EVENT_FILTERS))
                    {
                        // Need to refresh our filters.
                        if (eventArgs.Argument == DbgEventArgs.DEBUG_ANY_ID)
                        {
                            m_debugger._ResetFilters();
                        }
                        else
                        {
                            m_debugger._RefreshSingleFilter((uint)eventArgs.Argument);
                        }
                    }

                    if (eventArgs.Flags.HasFlag(DEBUG_CES.BREAKPOINTS))
                    {
                        // Need to refresh our breakpoints.
                        m_debugger.FixupBpStuff(eventArgs.Argument);
                    }

                    if ((eventArgs.Flags.HasFlag(DEBUG_CES.SYSTEMS)))
                    {
                        // DbgEng doesn't seem to set up its symbol path until you first
                        // attach to something, but it doesn't raise the event saying that
                        // the symbol path has changed when that happens. As a workaround,
                        // we'll dump our cached symbol path here.
                        m_debugger.m_sympath = null;
                        // Another oddity with the symbol path: before attaching to any
                        // system, dbgeng will say that the symbol path is blank. Then,
                        // once it gets attached to something, it will append the value of
                        // the environment variable _NT_SYMBOL_PATH to it.

                        if ((DEBUG_ANY_ID != (uint)eventArgs.Argument))
                        {
                            // We're adding a system. This might be a handy spot to do
                            // something, so I'm leaving the condition here even though I'm
                            // not currently using it.
                            // (this gets traced by the eventArgs constructor)
                        }
                        else
                        {
                            // Removing a system. (this gets traced by the eventArgs
                            // constructor)
                        }
                    }

                    if (eventArgs.Flags.HasFlag(DEBUG_CES.EFFECTIVE_PROCESSOR))
                    {
                        //DbgProvider.ForceRebuildNamespace();
                        LogManager.Trace("Effective processor changed; queueing request to rebuild namespace.");
                        DbgProvider.RequestExecuteBeforeNextPrompt("[MS.Dbg.DbgProvider]::ForceRebuildNamespace()");
                    }

                    if (eventArgs.Flags.HasFlag(DEBUG_CES.EXECUTION_STATUS))
                    {
                        m_executionStatusCookie++;
                    }

                    int retVal = _RaiseEvent(m_debugger.EngineStateChanged, eventArgs);
                    if (_ShouldOutput(retVal, eventArgs))
                    {
                        _PsPipe.WriteObject(eventArgs);
                    }

                    if (DEBUG_CES.EXECUTION_STATUS == Flags)
                    {
                        var  status       = (DEBUG_STATUS)(Argument & (ulong)DEBUG_STATUS.MASK);
                        bool insideWait   = false;
                        bool waitTimedOut = false;
                        if (status != (DEBUG_STATUS)Argument)
                        {
                            insideWait   = 0 != (Argument & (ulong)DEBUG_STATUS_FLAGS.INSIDE_WAIT);
                            waitTimedOut = 0 != (Argument & (ulong)DEBUG_STATUS_FLAGS.WAIT_TIMEOUT);
                        }

                        LogManager.Trace("EXECUTION_STATUS changed. Argument: 0x{0:x} ({1}{2}{3})",
                                         Argument,
                                         status,
                                         insideWait ? " + INSIDE_WAIT" : "",
                                         waitTimedOut ? " + WAIT_TIMEOUT" : "");

                        DbgEngDebugger._GlobalDebugger.DbgEngCookie++;
                        if (0 == ((ulong)DEBUG_STATUS_FLAGS.INSIDE_WAIT & Argument))
                        {
                            // Formerly, we would use this code to signal the currently-
                            // running cmdlet to exit its message loop. The idea was that
                            // there had been problems with more notification events arriving
                            // /after/ WaitForEvent returned. But I can't currently repro
                            // that. (There /are/ some notifications that occur after
                            // WaitForEvent returns, but they are caused by my own actions--
                            // setting assembly options and text aliases.)
                            //
                            // There is also the difference that now I call WaitForEvent on
                            // the dbgeng thread, whereas originally I had been calling it on
                            // a threadpool thread. I'm not sure how that would have made a
                            // difference, though.
                            //
                            // For now, I'm going to get rid of this stuff. It seems fragile
                            // and horribly complicated--I really hope I don't have to bring
                            // it back.
                            //
                            // // TODO: This seems terribly fragile. But I don't see how else to make
                            // // sure we process all callbacks before exiting ProcessRecord. I'm probably
                            // // going to have to add more cases... :(
                            // if( DEBUG_STATUS.BREAK == (DEBUG_STATUS) Argument )
                            // {
                            //     if( _SignalPipeOnBreak )
                            //     {
                            //         LogManager.Trace( "EXECUTION_STATUS is BREAK; signaling pipeline." );
                            //         _PsPipe.SignalDone();
                            //     }
                            //     else
                            //     {
                            //         LogManager.Trace( "EXECUTION_STATUS is BREAK, but we're ignoring it." );
                            //     }
                            // }

                            if (DEBUG_STATUS.NO_DEBUGGEE == (DEBUG_STATUS)Argument)
                            {
                                // We have no target. This might be a handy spot to do
                                // something, so I'm leaving the condition here even
                                // though I'm not currently using it.
                                LogManager.Trace("No debuggee.");
                            }
                        } // end if( inside wait )
                    }     // end if( exec status )

                    return(retVal);
                }
                catch (Exception e)
                {
                    Util.FailFast("Unexpected exception during event callback.", e);
                    return(0);
                }
            } // end ChangeEngineState()
Ejemplo n.º 28
0
        public object Convert(DbgSymbol symbol)   // TODO: plumb a CancellationToken through here.
        {
            if (null == m_currentlyProcessingAddresses)
            {
                m_currentlyProcessingAddresses = new HashSet <ulong>();
            }

            if (!m_currentlyProcessingAddresses.Add(symbol.Address))    // TODO: Do we need to worry about enregistered things?
            {
                LogManager.Trace("Detected re-entrant conversion of type {0}; bailing out.", TypeName);
                return(null);
            }

            PowerShell shell;
            var        lease = DbgProvider.LeaseShell(out shell);

            try
            {
                Util.Assert(null != Context);

                Context.Vars["_"]      = new PSVariable("_", symbol);
                Context.Vars["PSItem"] = new PSVariable("PSItem", symbol);

                // Note that StrictMode will be enforced for value converters, because
                // they execute in the scope of Debugger.psm1, which sets StrictMode.
                //
                // The problem with just calling Script.InvokeWithContext directly is that
                // non-terminating errors are hidden from us.
                shell.AddScript(@"$args[ 0 ].InvokeWithContext( $args[ 1 ].Funcs, $args[ 1 ].VarList )",
                                true)
                .AddArgument(Script)
                .AddArgument(Context);

                Collection <PSObject> results = shell.Invoke();

                //  // For some reason, sometimes shell.HadErrors returns true when
                //  // shell.Streams.Error.Count is 0, when the pipeline is stopping.
                //  if( Stopping )
                //      return;

                // INT2d518c4b: shell.HadErrors is clueless.
                //if( shell.HadErrors )
                if (shell.Streams.Error.Count > 0)
                {
                    // TODO TODO: handle more than one
                    // if( 1 == shell.Streams.Error.Count )
                    // {
                    var e = shell.Streams.Error[0];
                    // TODO: tailored exception
                    throw new DbgProviderException(Util.Sprintf("Symbol value conversion for type name {0} failed: {1}",
                                                                TypeName,
                                                                Util.GetExceptionMessages(e.Exception)),
                                                   e);
                    // }
                    // else
                    // {
                    // }
                }

                if (0 == results.Count)
                {
                    return(null); // I guess it didn't work.
                }
                if (1 == results.Count)
                {
                    return(results[0]);
                }
                else
                {
                    // TODO: Hmm... not sure what's the best thing to do here. Return just the
                    // last thing? For now I'll return the collection.
                    LogManager.Trace("Warning: Symbol value conversion for type name {0} yielded multiple results (symbol {1}).", TypeName, symbol);
                    return(results);
                }
            }
            finally
            {
                m_currentlyProcessingAddresses.Remove(symbol.Address);

                if (null != lease)
                {
                    lease.Dispose();
                }

                // Let's not keep the input object rooted.
                Context.Vars.Remove("_");
                Context.Vars.Remove("PSItem");
            }
        } // end Convert()
Ejemplo n.º 29
0
 protected virtual ColorString GetColorName()
 {
     return(DbgProvider.ColorizeTypeName(Name));
 } // end GetColorName()
Ejemplo n.º 30
0
        // Example:
        //
        //   eax=7ffdb000 ebx=00000000 ecx=00000000 edx=7785f17d esi=00000000 edi=00000000
        //   eip=777f410c esp=040ef770 ebp=040ef79c iopl=0         nv up ei pl zr na pe nc
        //   cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00000246
        //   ntdll!DbgBreakPoint:
        //
        public override ColorString ToColorString()
        {
            if (null == m_colorString)
            {
                ConsoleColor color;
                ColorString  cs = new ColorString("eax=");
                color = GetColorForDiffAgainstBaseline("eax");
                cs.Append(Eax.GetColorizedValueString(color));
                cs.Append(" ebx=");
                color = GetColorForDiffAgainstBaseline("ebx");
                cs.Append(Ebx.GetColorizedValueString(color));
                cs.Append(" ecx=");
                color = GetColorForDiffAgainstBaseline("ecx");
                cs.Append(Ecx.GetColorizedValueString(color));
                cs.Append(" edx=");
                color = GetColorForDiffAgainstBaseline("edx");
                cs.Append(Edx.GetColorizedValueString(color));
                cs.Append(" esi=");
                color = GetColorForDiffAgainstBaseline("esi");
                cs.Append(Esi.GetColorizedValueString(color));
                cs.Append(" edi=");
                color = GetColorForDiffAgainstBaseline("edi");
                cs.Append(Edi.GetColorizedValueString(color));
                cs.AppendLine();

                cs.Append("eip=");
                color = GetColorForDiffAgainstBaseline("eip");
                cs.Append(Eip.GetColorizedValueString(color));
                cs.Append(" esp=");
                color = GetColorForDiffAgainstBaseline("esp");
                cs.Append(Esp.GetColorizedValueString(color));
                cs.Append(" ebp=");
                color = GetColorForDiffAgainstBaseline("ebp");
                cs.Append(Ebp.GetColorizedValueString(color));
                cs.Append(" iopl=");
                color = GetColorForDiffAgainstBaseline("iopl");
                cs.AppendPushPopFg(color, ((uint)Iopl.Value).ToString("x"));
                // TODO:
                cs.AppendLine("   TBD: flags");

                cs.Append("cs=");
                color = GetColorForDiffAgainstBaseline("cs");
                cs.AppendPushPopFg(color, ((uint)Cs.Value).ToString("x4"));
                cs.Append("  ss=");
                color = GetColorForDiffAgainstBaseline("ss");
                cs.AppendPushPopFg(color, ((uint)Ss.Value).ToString("x4"));
                cs.Append("  ds=");
                color = GetColorForDiffAgainstBaseline("ds");
                cs.AppendPushPopFg(color, ((uint)Ds.Value).ToString("x4"));
                cs.Append("  es=");
                color = GetColorForDiffAgainstBaseline("es");
                cs.AppendPushPopFg(color, ((uint)Es.Value).ToString("x4"));
                cs.Append("  fs=");
                color = GetColorForDiffAgainstBaseline("fs");
                cs.AppendPushPopFg(color, ((uint)Fs.Value).ToString("x4"));
                cs.Append("  gs=");
                color = GetColorForDiffAgainstBaseline("gs");
                cs.AppendPushPopFg(color, ((uint)Gs.Value).ToString("x4"));
                cs.Append("             efl=");
                color = GetColorForDiffAgainstBaseline("efl");
                cs.Append(Efl.GetColorizedValueString(color));
                cs.AppendLine();

                cs.Append(DbgProvider.ColorizeSymbol(StackFrame.SymbolName));
                if (0 != StackFrame.Displacement)
                {
                    cs.Append("+0x");
                    cs.Append(StackFrame.Displacement.ToString("x"));
                }
                cs.AppendLine(":");
                cs.Append(Disasm(Eip.ValueAsPointer));

                m_colorString = cs;
            }
            return(m_colorString);
        } // end ToString()