private static IntHashTable ReadSourceFileInfo(BitAccess bits, uint limit, IntHashTable names, MsfDirectory dir,
Dictionary <string, int> nameIndex, PdbReader reader)
{
IntHashTable checks = new IntHashTable();
int begin = bits.Position;
while (bits.Position < limit)
{
int sig;
int siz;
bits.ReadInt32(out sig);
bits.ReadInt32(out siz);
int place = bits.Position;
int endSym = bits.Position + siz;
switch ((DEBUG_S_SUBSECTION)sig)
{
case DEBUG_S_SUBSECTION.FILECHKSMS:
while (bits.Position < endSym)
{
CV_FileCheckSum chk;
int ni = bits.Position - place;
bits.ReadUInt32(out chk.name);
bits.ReadUInt8(out chk.len);
bits.ReadUInt8(out chk.type);
string name = (string)names[(int)chk.name];
int guidStream;
Guid doctypeGuid = SymDocumentType.Text;
Guid languageGuid = Guid.Empty;
Guid vendorGuid = Guid.Empty;
if (nameIndex.TryGetValue("/SRC/FILES/" + name.ToUpperInvariant(), out guidStream))
{
var guidBits = new BitAccess(0x100);
dir.streams[guidStream].Read(reader, guidBits);
LoadGuidStream(guidBits, out doctypeGuid, out languageGuid, out vendorGuid);
}
PdbSource 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;
}
}
return(checks);
}
static IntHashTable LoadNameStream(BitAccess bits)
{
IntHashTable ht = new IntHashTable();
uint sig;
int ver;
bits.ReadUInt32(out sig); // 0..3 Signature
bits.ReadInt32(out ver); // 4..7 Version
// Read (or skip) string buffer.
int buf;
bits.ReadInt32(out buf); // 8..11 Bytes of Strings
if (sig != 0xeffeeffe || ver != 1)
{
throw new PdbDebugException("Unsupported Name Stream version. " +
"(sig={0:x8}, ver={1})",
sig, ver);
}
int beg = bits.Position;
int nxt = bits.Position + buf;
bits.Position = nxt;
// Read hash table.
int siz;
bits.ReadInt32(out siz); // n+0..3 Number of hash buckets.
nxt = bits.Position;
for (int i = 0; i < siz; i++)
{
int ni;
string name;
bits.ReadInt32(out ni);
if (ni != 0)
{
int saved = bits.Position;
bits.Position = beg + ni;
bits.ReadCString(out name);
bits.Position = saved;
ht.Add(ni, name);
}
}
bits.Position = nxt;
return(ht);
}
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 (int i = 0; i < funcs.Length; i++)
{
funcList.Add(funcs[i]);
}
}
}
private static void LoadTokenToSourceInfo(BitAccess bits, DbiModuleInfo module, IntHashTable names, MsfDirectory dir,
Dictionary <string, int> nameIndex, PdbReader reader, Dictionary <uint, PdbTokenLine> tokenToSourceMapping)
{
bits.Position = 0;
int sig;
bits.ReadInt32(out sig);
if (sig != 4)
{
throw new PdbDebugException("Invalid signature. (sig={0})", sig);
}
bits.Position = 4;
while (bits.Position < module.cbSyms)
{
ushort siz;
ushort rec;
bits.ReadUInt16(out siz);
int star = bits.Position;
int stop = bits.Position + siz;
bits.Position = star;
bits.ReadUInt16(out rec);
switch ((SYM)rec)
{
case SYM.S_OEM:
OemSymbol oem;
bits.ReadGuid(out oem.idOem);
bits.ReadUInt32(out oem.typind);
// internal byte[] rgl; // user data, force 4-byte alignment
if (oem.idOem == PdbFunction.msilMetaData)
{
string name = bits.ReadString();
if (name == "TSLI")
{
uint token;
uint file_id;
uint line;
uint column;
uint endLine;
uint endColumn;
bits.ReadUInt32(out token);
bits.ReadUInt32(out file_id);
bits.ReadUInt32(out line);
bits.ReadUInt32(out column);
bits.ReadUInt32(out endLine);
bits.ReadUInt32(out endColumn);
PdbTokenLine tokenLine;
if (!tokenToSourceMapping.TryGetValue(token, out tokenLine))
{
tokenToSourceMapping.Add(token, new PdbTokenLine(token, file_id, line, column, endLine, endColumn));
}
else
{
while (tokenLine.nextLine != null)
{
tokenLine = tokenLine.nextLine;
}
tokenLine.nextLine = new PdbTokenLine(token, file_id, line, column, endLine, endColumn);
}
}
bits.Position = stop;
break;
}
else
{
throw new PdbDebugException("OEM section: guid={0} ti={1}",
oem.idOem, oem.typind);
// bits.Position = stop;
}
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;
}
}
bits.Position = module.cbSyms + module.cbOldLines;
int limit = module.cbSyms + module.cbOldLines + module.cbLines;
IntHashTable sourceFiles = ReadSourceFileInfo(bits, (uint)limit, names, dir, nameIndex, reader);
foreach (var tokenLine in tokenToSourceMapping.Values)
{
tokenLine.sourceFile = (PdbSource)sourceFiles[(int)tokenLine.file_id];
}
}
internal static PdbFunction[] LoadFunctions(Stream read, out Dictionary <uint, PdbTokenLine> tokenToSourceMapping, out string sourceServerData, out int age, out Guid guid)
{
tokenToSourceMapping = new Dictionary <uint, PdbTokenLine>();
BitAccess bits = new BitAccess(512 * 1024);
PdbFileHeader head = new PdbFileHeader(read, bits);
PdbReader reader = new PdbReader(read, head.pageSize);
MsfDirectory dir = new MsfDirectory(reader, head, bits);
DbiModuleInfo[] modules = null;
DbiDbgHdr header;
dir.streams[1].Read(reader, bits);
Dictionary <string, int> nameIndex = LoadNameIndex(bits, out age, out guid);
int nameStream;
if (!nameIndex.TryGetValue("/NAMES", out nameStream))
{
throw new PdbException("No `name' stream");
}
dir.streams[nameStream].Read(reader, bits);
IntHashTable names = LoadNameStream(bits);
int srcsrvStream;
if (!nameIndex.TryGetValue("SRCSRV", out srcsrvStream))
{
sourceServerData = string.Empty;
}
else
{
DataStream dataStream = dir.streams[srcsrvStream];
byte[] bytes = new byte[dataStream.contentSize];
dataStream.Read(reader, bits);
sourceServerData = bits.ReadBString(bytes.Length);
}
dir.streams[3].Read(reader, bits);
LoadDbiStream(bits, out modules, out header, true);
ArrayList funcList = new ArrayList();
if (modules != null)
{
for (int m = 0; m < modules.Length; m++)
{
var module = modules[m];
if (module.stream > 0)
{
dir.streams[module.stream].Read(reader, bits);
if (module.moduleName == "TokenSourceLineInfo")
{
LoadTokenToSourceInfo(bits, module, names, dir, nameIndex, reader, tokenToSourceMapping);
continue;
}
LoadFuncsFromDbiModule(bits, module, names, funcList, true, dir, nameIndex, reader);
}
}
}
PdbFunction[] funcs = (PdbFunction[])funcList.ToArray(typeof(PdbFunction));
// After reading the functions, apply the token remapping table if it exists.
if (header.snTokenRidMap != 0 && header.snTokenRidMap != 0xffff)
{
dir.streams[header.snTokenRidMap].Read(reader, bits);
uint[] ridMap = new uint[dir.streams[header.snTokenRidMap].Length / 4];
bits.ReadUInt32(ridMap);
foreach (PdbFunction func in funcs)
{
func.token = 0x06000000 | ridMap[func.token & 0xffffff];
}
}
//
Array.Sort(funcs, PdbFunction.byAddressAndToken);
//Array.Sort(funcs, PdbFunction.byToken);
return(funcs);
}
static void LoadManagedLines(PdbFunction[] funcs,
IntHashTable names,
BitAccess bits,
MsfDirectory dir,
Dictionary <string, int> nameIndex,
PdbReader reader,
uint limit)
{
Array.Sort(funcs, PdbFunction.byAddressAndToken);
int begin = bits.Position;
IntHashTable checks = ReadSourceFileInfo(bits, limit, names, dir, nameIndex, reader);
// Read the lines next.
bits.Position = begin;
while (bits.Position < limit)
{
int sig;
int siz;
bits.ReadInt32(out sig);
bits.ReadInt32(out siz);
int 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);
int funcIndex = FindFunction(funcs, sec.sec, sec.off);
if (funcIndex < 0)
{
break;
}
var func = funcs[funcIndex];
if (func.lines == null)
{
while (funcIndex > 0)
{
var f = funcs[funcIndex - 1];
if (f.lines != null || f.segment != sec.sec || f.address != sec.off)
{
break;
}
func = f;
funcIndex--;
}
}
else
{
while (funcIndex < funcs.Length - 1 && func.lines != null)
{
var f = funcs[funcIndex + 1];
if (f.segment != sec.sec || f.address != sec.off)
{
break;
}
func = f;
funcIndex++;
}
}
if (func.lines != null)
{
break;
}
// Count the line blocks.
int begSym = bits.Position;
int 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.
int linsiz = (int)file.count * (8 + ((sec.flags & 1) != 0 ? 4 : 0));
bits.Position += linsiz;
blocks++;
}
func.lines = new PdbLines[blocks];
int 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.
PdbSource src = (PdbSource)checks[(int)file.index];
PdbLines tmp = new PdbLines(src, file.count);
func.lines[block++] = tmp;
PdbLine[] lines = tmp.lines;
int plin = bits.Position;
int pcol = bits.Position + 8 * (int)file.count;
for (int i = 0; i < file.count; i++)
{
CV_Line line;
CV_Column column = new CV_Column();
bits.Position = plin + 8 * i;
bits.ReadUInt32(out line.offset);
bits.ReadUInt32(out line.flags);
uint lineBegin = line.flags & (uint)CV_Line_Flags.linenumStart;
uint delta = (line.flags & (uint)CV_Line_Flags.deltaLineEnd) >> 24;
//bool 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;
}
}
