/// <summary>
/// </summary>
/// <param name="function">
/// </param>
private void ConvertVariables(PdbFunction function)
{
foreach (var scope in function.scopes)
{
this.ConvertScope(scope);
}
}
/// <summary>
/// </summary>
/// <param name="function">
/// </param>
/// <param name="generateFileOnly">
/// </param>
private void ConvertFunction(PdbFunction function, bool generateFileOnly = false)
{
if (function.lines == null)
{
return;
}
var method = new SourceMethod
{
Token = (int)function.token,
Name = function.name,
LinkageName = function.name,
DisplayName = function.name,
LineNumber = function.lines.First().lines.First().lineBegin
};
var file = this.GetSourceFile(this.symbolWriter, function);
if (generateFileOnly)
{
return;
}
var builder = this.symbolWriter.OpenMethod(file.CompilationUnitEntry, method);
this.ConvertSequencePoints(function, file, builder);
this.ConvertVariables(function);
this.symbolWriter.CloseMethod();
}
public void ConvertFunction(int token)
{
PdbFunction func = null;
if (this.funcs.TryGetValue((uint)token, out func))
{
this.ConvertFunction(func);
return;
}
if (token == -1)
{
this.ConvertFunction(this.funcs.Values.First(f => f.lines != null), true);
}
}
/// <summary>
/// </summary>
/// <param name="function">
/// </param>
/// <param name="file">
/// </param>
/// <param name="builder">
/// </param>
private void ConvertSequencePoints(PdbFunction function, SourceFile file, ISourceMethodBuilder builder)
{
var lastLine = 0;
foreach (var line in function.lines.SelectMany(lines => lines.lines))
{
// 0xfeefee is an MS convention, we can't pass it into ISymbolWriter, so we use the last non-hidden line
var isHidden = line.lineBegin == 0xfeefee;
builder.MarkSequencePoint(
(int)line.offset, file, isHidden ? lastLine : (int)line.lineBegin, (int)line.colBegin, isHidden);
if (!isHidden)
{
lastLine = (int)line.lineBegin;
}
}
}
/// <summary>
/// </summary>
/// <param name="symbolWriter">
/// </param>
/// <param name="function">
/// </param>
/// <returns>
/// </returns>
private SourceFile GetSourceFile(ISymbolWriter symbolWriter, PdbFunction function)
{
var name = (from l in function.lines where l.file != null select l.file.name).First();
SourceFile file;
if (this.files.TryGetValue(name, out file))
{
return(file);
}
var entry = symbolWriter.DefineDocument(name);
var unit = symbolWriter.DefineCompilationUnit(entry);
file = new SourceFile(unit, entry);
this.files.Add(name, file);
return(file);
}
/// <summary>
/// </summary>
/// <param name="bits">
/// </param>
/// <param name="info">
/// </param>
/// <param name="names">
/// </param>
/// <param name="funcList">
/// </param>
/// <param name="readStrings">
/// </param>
/// <param name="dir">
/// </param>
/// <param name="nameIndex">
/// </param>
/// <param name="reader">
/// </param>
/// <exception cref="PdbDebugException">
/// </exception>
private static void LoadFuncsFromDbiModule(
BitAccess bits,
DbiModuleInfo info,
IntHashTable names,
ArrayList funcList,
bool readStrings,
MsfDirectory dir,
Dictionary <string, int> nameIndex,
PdbReader reader)
{
PdbFunction[] funcs = null;
bits.Position = 0;
int sig;
bits.ReadInt32(out sig);
if (sig != 4)
{
throw new PdbDebugException("Invalid signature. (sig={0})", sig);
}
bits.Position = 4;
// Console.WriteLine("{0}:", info.moduleName);
funcs = PdbFunction.LoadManagedFunctions(info.moduleName, bits, (uint)info.cbSyms, readStrings);
if (funcs != null)
{
bits.Position = info.cbSyms + info.cbOldLines;
LoadManagedLines(funcs, names, bits, dir, nameIndex, reader, (uint)(info.cbSyms + info.cbOldLines + info.cbLines));
for (var i = 0; i < funcs.Length; i++)
{
funcList.Add(funcs[i]);
}
}
}
/// <summary>
/// </summary>
/// <param name="funcs">
/// </param>
/// <param name="names">
/// </param>
/// <param name="bits">
/// </param>
/// <param name="dir">
/// </param>
/// <param name="nameIndex">
/// </param>
/// <param name="reader">
/// </param>
/// <param name="limit">
/// </param>
private static void LoadManagedLines(
PdbFunction[] funcs, IntHashTable names, BitAccess bits, MsfDirectory dir, Dictionary<string, int> nameIndex, PdbReader reader, uint limit)
{
Array.Sort(funcs, PdbFunction.byAddress);
var checks = new IntHashTable();
// Read the files first
var begin = bits.Position;
while (bits.Position < limit)
{
int sig;
int siz;
bits.ReadInt32(out sig);
bits.ReadInt32(out siz);
var place = bits.Position;
var endSym = bits.Position + siz;
switch ((DEBUG_S_SUBSECTION)sig)
{
case DEBUG_S_SUBSECTION.FILECHKSMS:
while (bits.Position < endSym)
{
CV_FileCheckSum chk;
var ni = bits.Position - place;
bits.ReadUInt32(out chk.name);
bits.ReadUInt8(out chk.len);
bits.ReadUInt8(out chk.type);
var name = (string)names[(int)chk.name];
int guidStream;
var doctypeGuid = SymDocumentType.Text;
var languageGuid = SymLanguageType.CSharp;
var vendorGuid = SymLanguageVendor.Microsoft;
if (nameIndex.TryGetValue("/src/files/" + name, out guidStream))
{
var guidBits = new BitAccess(0x100);
dir.streams[guidStream].Read(reader, guidBits);
LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid);
}
var src = new PdbSource((uint)ni, name, doctypeGuid, languageGuid, vendorGuid);
checks.Add(ni, src);
bits.Position += chk.len;
bits.Align(4);
}
bits.Position = endSym;
break;
default:
bits.Position = endSym;
break;
}
}
// Read the lines next.
bits.Position = begin;
while (bits.Position < limit)
{
int sig;
int siz;
bits.ReadInt32(out sig);
bits.ReadInt32(out siz);
var endSym = bits.Position + siz;
switch ((DEBUG_S_SUBSECTION)sig)
{
case DEBUG_S_SUBSECTION.LINES:
{
CV_LineSection sec;
bits.ReadUInt32(out sec.off);
bits.ReadUInt16(out sec.sec);
bits.ReadUInt16(out sec.flags);
bits.ReadUInt32(out sec.cod);
var func = FindFunction(funcs, sec.sec, sec.off);
if (func == null)
{
break;
}
// Count the line blocks.
var begSym = bits.Position;
var blocks = 0;
while (bits.Position < endSym)
{
CV_SourceFile file;
bits.ReadUInt32(out file.index);
bits.ReadUInt32(out file.count);
bits.ReadUInt32(out file.linsiz); // Size of payload.
var linsiz = (int)file.count * (8 + ((sec.flags & 1) != 0 ? 4 : 0));
bits.Position += linsiz;
blocks++;
}
func.lines = new PdbLines[blocks];
var block = 0;
bits.Position = begSym;
while (bits.Position < endSym)
{
CV_SourceFile file;
bits.ReadUInt32(out file.index);
bits.ReadUInt32(out file.count);
bits.ReadUInt32(out file.linsiz); // Size of payload.
var src = (PdbSource)checks[(int)file.index];
var tmp = new PdbLines(src, file.count);
func.lines[block++] = tmp;
var lines = tmp.lines;
var plin = bits.Position;
var pcol = bits.Position + 8 * (int)file.count;
for (var i = 0; i < file.count; i++)
{
CV_Line line;
var column = new CV_Column();
bits.Position = plin + 8 * i;
bits.ReadUInt32(out line.offset);
bits.ReadUInt32(out line.flags);
var lineBegin = line.flags & (uint)CV_Line_Flags.linenumStart;
var delta = (line.flags & (uint)CV_Line_Flags.deltaLineEnd) >> 24;
var statement = (line.flags & (uint)CV_Line_Flags.fStatement) == 0;
if ((sec.flags & 1) != 0)
{
bits.Position = pcol + 4 * i;
bits.ReadUInt16(out column.offColumnStart);
bits.ReadUInt16(out column.offColumnEnd);
}
lines[i] = new PdbLine(line.offset, lineBegin, column.offColumnStart, lineBegin + delta, column.offColumnEnd);
}
}
break;
}
}
bits.Position = endSym;
}
}
/// <summary>
/// </summary>
/// <param name="funcs">
/// </param>
/// <param name="sec">
/// </param>
/// <param name="off">
/// </param>
/// <returns>
/// </returns>
private static PdbFunction FindFunction(PdbFunction[] funcs, ushort sec, uint off)
{
match.segment = sec;
match.address = off;
var item = Array.BinarySearch(funcs, match, PdbFunction.byAddress);
if (item >= 0)
{
return funcs[item];
}
return null;
}
/// <summary>
/// </summary>
/// <param name="module">
/// </param>
/// <param name="bits">
/// </param>
/// <param name="limit">
/// </param>
/// <param name="readStrings">
/// </param>
/// <returns>
/// </returns>
internal static PdbFunction[] LoadManagedFunctions(string module, BitAccess bits, uint limit, bool readStrings)
{
var mod = StripNamespace(module);
var begin = bits.Position;
var count = 0;
while (bits.Position < limit)
{
ushort siz;
ushort rec;
bits.ReadUInt16(out siz);
var star = bits.Position;
var stop = bits.Position + siz;
bits.Position = star;
bits.ReadUInt16(out rec);
switch ((SYM)rec)
{
case SYM.S_GMANPROC:
case SYM.S_LMANPROC:
ManProcSym proc;
bits.ReadUInt32(out proc.parent);
bits.ReadUInt32(out proc.end);
bits.Position = (int)proc.end;
count++;
break;
case SYM.S_END:
bits.Position = stop;
break;
default:
// Console.WriteLine("{0,6}: {1:x2} {2}",
// bits.Position, rec, (SYM)rec);
bits.Position = stop;
break;
}
}
if (count == 0)
{
return null;
}
bits.Position = begin;
var funcs = new PdbFunction[count];
var func = 0;
while (bits.Position < limit)
{
ushort siz;
ushort rec;
bits.ReadUInt16(out siz);
var star = bits.Position;
var stop = bits.Position + siz;
bits.ReadUInt16(out rec);
switch ((SYM)rec)
{
case SYM.S_GMANPROC:
case SYM.S_LMANPROC:
ManProcSym proc;
var offset = bits.Position;
bits.ReadUInt32(out proc.parent);
bits.ReadUInt32(out proc.end);
bits.ReadUInt32(out proc.next);
bits.ReadUInt32(out proc.len);
bits.ReadUInt32(out proc.dbgStart);
bits.ReadUInt32(out proc.dbgEnd);
bits.ReadUInt32(out proc.token);
bits.ReadUInt32(out proc.off);
bits.ReadUInt16(out proc.seg);
bits.ReadUInt8(out proc.flags);
bits.ReadUInt16(out proc.retReg);
if (readStrings)
{
bits.ReadCString(out proc.name);
}
else
{
bits.SkipCString(out proc.name);
}
// Console.WriteLine("token={0:X8} [{1}::{2}]", proc.token, module, proc.name);
bits.Position = stop;
funcs[func++] = new PdbFunction(module, proc, bits);
break;
default:
{
// throw new PdbDebugException("Unknown SYMREC {0}", (SYM)rec);
bits.Position = stop;
break;
}
}
}
return funcs;
}
/// <summary>
/// </summary>
/// <param name="block">
/// </param>
/// <param name="bits">
/// </param>
/// <param name="typind">
/// </param>
/// <exception cref="PdbException">
/// </exception>
/// <exception cref="Exception">
/// </exception>
internal PdbScope(BlockSym32 block, BitAccess bits, out uint typind)
{
this.segment = block.seg;
this.address = block.off;
this.length = block.len;
typind = 0;
int constantCount;
int scopeCount;
int slotCount;
int namespaceCount;
PdbFunction.CountScopesAndSlots(bits, block.end, out constantCount, out scopeCount, out slotCount, out namespaceCount);
this.constants = new PdbConstant[constantCount];
this.scopes = new PdbScope[scopeCount];
this.slots = new PdbSlot[slotCount];
this.usedNamespaces = new string[namespaceCount];
var constant = 0;
var scope = 0;
var slot = 0;
var usedNs = 0;
while (bits.Position < block.end)
{
ushort siz;
ushort rec;
bits.ReadUInt16(out siz);
var star = bits.Position;
var stop = bits.Position + siz;
bits.Position = star;
bits.ReadUInt16(out rec);
switch ((SYM)rec)
{
case SYM.S_BLOCK32:
{
var sub = new BlockSym32();
bits.ReadUInt32(out sub.parent);
bits.ReadUInt32(out sub.end);
bits.ReadUInt32(out sub.len);
bits.ReadUInt32(out sub.off);
bits.ReadUInt16(out sub.seg);
bits.SkipCString(out sub.name);
bits.Position = stop;
this.scopes[scope++] = new PdbScope(sub, bits, out typind);
break;
}
case SYM.S_MANSLOT:
this.slots[slot++] = new PdbSlot(bits, out typind);
bits.Position = stop;
break;
case SYM.S_UNAMESPACE:
bits.ReadCString(out this.usedNamespaces[usedNs++]);
bits.Position = stop;
break;
case SYM.S_END:
bits.Position = stop;
break;
case SYM.S_MANCONSTANT:
this.constants[constant++] = new PdbConstant(bits);
bits.Position = stop;
break;
default:
throw new PdbException("Unknown SYM in scope {0}", (SYM)rec);
// bits.Position = stop;
}
}
if (bits.Position != block.end)
{
throw new Exception("Not at S_END");
}
ushort esiz;
ushort erec;
bits.ReadUInt16(out esiz);
bits.ReadUInt16(out erec);
if (erec != (ushort)SYM.S_END)
{
throw new Exception("Missing S_END");
}
}
/// <summary>
/// </summary>
/// <param name="module">
/// </param>
/// <param name="bits">
/// </param>
/// <param name="limit">
/// </param>
/// <param name="readStrings">
/// </param>
/// <returns>
/// </returns>
internal static PdbFunction[] LoadManagedFunctions(string module, BitAccess bits, uint limit, bool readStrings)
{
var mod = StripNamespace(module);
var begin = bits.Position;
var count = 0;
while (bits.Position < limit)
{
ushort siz;
ushort rec;
bits.ReadUInt16(out siz);
var star = bits.Position;
var stop = bits.Position + siz;
bits.Position = star;
bits.ReadUInt16(out rec);
switch ((SYM)rec)
{
case SYM.S_GMANPROC:
case SYM.S_LMANPROC:
ManProcSym proc;
bits.ReadUInt32(out proc.parent);
bits.ReadUInt32(out proc.end);
bits.Position = (int)proc.end;
count++;
break;
case SYM.S_END:
bits.Position = stop;
break;
default:
// Console.WriteLine("{0,6}: {1:x2} {2}",
// bits.Position, rec, (SYM)rec);
bits.Position = stop;
break;
}
}
if (count == 0)
{
return(null);
}
bits.Position = begin;
var funcs = new PdbFunction[count];
var func = 0;
while (bits.Position < limit)
{
ushort siz;
ushort rec;
bits.ReadUInt16(out siz);
var star = bits.Position;
var stop = bits.Position + siz;
bits.ReadUInt16(out rec);
switch ((SYM)rec)
{
case SYM.S_GMANPROC:
case SYM.S_LMANPROC:
ManProcSym proc;
var offset = bits.Position;
bits.ReadUInt32(out proc.parent);
bits.ReadUInt32(out proc.end);
bits.ReadUInt32(out proc.next);
bits.ReadUInt32(out proc.len);
bits.ReadUInt32(out proc.dbgStart);
bits.ReadUInt32(out proc.dbgEnd);
bits.ReadUInt32(out proc.token);
bits.ReadUInt32(out proc.off);
bits.ReadUInt16(out proc.seg);
bits.ReadUInt8(out proc.flags);
bits.ReadUInt16(out proc.retReg);
if (readStrings)
{
bits.ReadCString(out proc.name);
}
else
{
bits.SkipCString(out proc.name);
}
// Console.WriteLine("token={0:X8} [{1}::{2}]", proc.token, module, proc.name);
bits.Position = stop;
funcs[func++] = new PdbFunction(module, proc, bits);
break;
default:
{
// throw new PdbDebugException("Unknown SYMREC {0}", (SYM)rec);
bits.Position = stop;
break;
}
}
}
return(funcs);
}
/// <summary>
/// </summary>
/// <param name="symbolWriter">
/// </param>
/// <param name="function">
/// </param>
/// <returns>
/// </returns>
private SourceFile GetSourceFile(ISymbolWriter symbolWriter, PdbFunction function)
{
var name = (from l in function.lines where l.file != null select l.file.name).First();
SourceFile file;
if (this.files.TryGetValue(name, out file))
{
return file;
}
var entry = symbolWriter.DefineDocument(name);
var unit = symbolWriter.DefineCompilationUnit(entry);
file = new SourceFile(unit, entry);
this.files.Add(name, file);
return file;
}
/// <summary>
/// </summary>
/// <param name="function">
/// </param>
private void ConvertVariables(PdbFunction function)
{
foreach (var scope in function.scopes)
{
this.ConvertScope(scope);
}
}
/// <summary>
/// </summary>
/// <param name="function">
/// </param>
/// <param name="file">
/// </param>
/// <param name="builder">
/// </param>
private void ConvertSequencePoints(PdbFunction function, SourceFile file, ISourceMethodBuilder builder)
{
var lastLine = 0;
foreach (var line in function.lines.SelectMany(lines => lines.lines))
{
// 0xfeefee is an MS convention, we can't pass it into ISymbolWriter, so we use the last non-hidden line
var isHidden = line.lineBegin == 0xfeefee;
builder.MarkSequencePoint(
(int)line.offset, file, isHidden ? lastLine : (int)line.lineBegin, (int)line.colBegin, isHidden);
if (!isHidden)
{
lastLine = (int)line.lineBegin;
}
}
}
/// <summary>
/// </summary>
/// <param name="function">
/// </param>
/// <param name="generateFileOnly">
/// </param>
private void ConvertFunction(PdbFunction function, bool generateFileOnly = false)
{
if (function.lines == null)
{
return;
}
var method = new SourceMethod
{
Token = (int)function.token,
Name = function.name,
LinkageName = function.name,
DisplayName = function.name,
LineNumber = function.lines.First().lines.First().lineBegin
};
var file = this.GetSourceFile(this.symbolWriter, function);
if (generateFileOnly)
{
return;
}
var builder = this.symbolWriter.OpenMethod(file.CompilationUnitEntry, method);
this.ConvertSequencePoints(function, file, builder);
this.ConvertVariables(function);
this.symbolWriter.CloseMethod();
}
