/// <summary>
/// </summary>
/// <param name="reader">
/// </param>
/// <param name="head">
/// </param>
/// <param name="bits">
/// </param>
internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits)
{
bits.MinCapacity(head.directorySize);
var pages = reader.PagesFromSize(head.directorySize);
// 0..n in page of directory pages.
reader.Seek(head.directoryRoot, 0);
bits.FillBuffer(reader.reader, pages * 4);
var stream = new DataStream(head.directorySize, bits, pages);
bits.MinCapacity(head.directorySize);
stream.Read(reader, bits);
// 0..3 in directory pages
int count;
bits.ReadInt32(out count);
// 4..n
var sizes = new int[count];
bits.ReadInt32(sizes);
// n..m
this.streams = new DataStream[count];
for (var i = 0; i < count; i++)
{
if (sizes[i] <= 0)
{
this.streams[i] = new DataStream();
}
else
{
this.streams[i] = new DataStream(sizes[i], bits, reader.PagesFromSize(sizes[i]));
}
}
}
internal short stream; // 34..35
#endregion Fields
#region Constructors
internal DbiModuleInfo(BitAccess bits, bool readStrings)
{
bits.ReadInt32(out opened);
new DbiSecCon(bits);
bits.ReadUInt16(out flags);
bits.ReadInt16(out stream);
bits.ReadInt32(out cbSyms);
bits.ReadInt32(out cbOldLines);
bits.ReadInt32(out cbLines);
bits.ReadInt16(out files);
bits.ReadInt16(out pad1);
bits.ReadUInt32(out offsets);
bits.ReadInt32(out niSource);
bits.ReadInt32(out niCompiler);
if (readStrings) {
bits.ReadCString(out moduleName);
bits.ReadCString(out objectName);
} else {
bits.SkipCString(out moduleName);
bits.SkipCString(out objectName);
}
bits.Align(4);
//if (opened != 0 || pad1 != 0) {
// throw new PdbException("Invalid DBI module. "+
// "(opened={0}, pad={1})", opened, pad1);
//}
}
internal DataStream(int contentSize, BitAccess bits, int count)
{
this.contentSize = contentSize;
if (count > 0) {
this.pages = new int[count];
bits.ReadInt32(this.pages);
}
}
internal ushort snXdata; // 14..15
#endregion Fields
#region Constructors
internal DbiDbgHdr(BitAccess bits)
{
bits.ReadUInt16(out snFPO);
bits.ReadUInt16(out snException);
bits.ReadUInt16(out snFixup);
bits.ReadUInt16(out snOmapToSrc);
bits.ReadUInt16(out snOmapFromSrc);
bits.ReadUInt16(out snSectionHdr);
bits.ReadUInt16(out snTokenRidMap);
bits.ReadUInt16(out snXdata);
bits.ReadUInt16(out snPdata);
bits.ReadUInt16(out snNewFPO);
bits.ReadUInt16(out snSectionHdrOrig);
}
internal int size; // 8..11
#endregion Fields
#region Constructors
internal DbiSecCon(BitAccess bits)
{
bits.ReadInt16(out section);
bits.ReadInt16(out pad1);
bits.ReadInt32(out offset);
bits.ReadInt32(out size);
bits.ReadUInt32(out flags);
bits.ReadInt16(out module);
bits.ReadInt16(out pad2);
bits.ReadUInt32(out dataCrc);
bits.ReadUInt32(out relocCrc);
//if (pad1 != 0 || pad2 != 0) {
// throw new PdbException("Invalid DBI section. "+
// "(pad1={0}, pad2={1})",
// pad1, pad2);
//}
}
/// <summary>
/// </summary>
/// <param name="bits">
/// </param>
/// <param name="typind">
/// </param>
internal PdbSlot(BitAccess bits, out uint typind)
{
AttrSlotSym slot;
bits.ReadUInt32(out slot.index);
bits.ReadUInt32(out slot.typind);
bits.ReadUInt32(out slot.offCod);
bits.ReadUInt16(out slot.segCod);
bits.ReadUInt16(out slot.flags);
bits.ReadCString(out slot.name);
this.slot = slot.index;
this.name = slot.name;
this.flags = slot.flags;
this.segment = slot.segCod;
this.address = slot.offCod;
typind = slot.typind;
}
internal MsfDirectory(PdbReader reader, PdbFileHeader head, BitAccess bits)
{
int pages = reader.PagesFromSize(head.directorySize);
// 0..n in page of directory pages.
bits.MinCapacity(head.directorySize);
int directoryRootPages = head.directoryRoot.Length;
int pagesPerPage = head.pageSize / 4;
int pagesToGo = pages;
for (int i = 0; i < directoryRootPages; i++) {
int pagesInThisPage = pagesToGo <= pagesPerPage ? pagesToGo : pagesPerPage;
reader.Seek(head.directoryRoot[i], 0);
bits.Append(reader.reader, pagesInThisPage * 4);
pagesToGo -= pagesInThisPage;
}
bits.Position = 0;
DataStream stream = new DataStream(head.directorySize, bits, pages);
bits.MinCapacity(head.directorySize);
stream.Read(reader, bits);
// 0..3 in directory pages
int count;
bits.ReadInt32(out count);
// 4..n
int[] sizes = new int[count];
bits.ReadInt32(sizes);
// n..m
streams = new DataStream[count];
for (int i = 0; i < count; i++) {
if (sizes[i] <= 0) {
streams[i] = new DataStream();
} else {
streams[i] = new DataStream(sizes[i], bits,
reader.PagesFromSize(sizes[i]));
}
}
}
internal ushort vers; // 14..15
#endregion Fields
#region Constructors
internal DbiHeader(BitAccess bits)
{
bits.ReadInt32(out sig);
bits.ReadInt32(out ver);
bits.ReadInt32(out age);
bits.ReadInt16(out gssymStream);
bits.ReadUInt16(out vers);
bits.ReadInt16(out pssymStream);
bits.ReadUInt16(out pdbver);
bits.ReadInt16(out symrecStream);
bits.ReadUInt16(out pdbver2);
bits.ReadInt32(out gpmodiSize);
bits.ReadInt32(out secconSize);
bits.ReadInt32(out secmapSize);
bits.ReadInt32(out filinfSize);
bits.ReadInt32(out tsmapSize);
bits.ReadInt32(out mfcIndex);
bits.ReadInt32(out dbghdrSize);
bits.ReadInt32(out ecinfoSize);
bits.ReadUInt16(out flags);
bits.ReadUInt16(out machine);
bits.ReadInt32(out reserved);
}
internal DbiSecCon(BitAccess bits)
{
bits.ReadInt16(out section);
bits.ReadInt16(out pad1);
bits.ReadInt32(out offset);
bits.ReadInt32(out size);
bits.ReadUInt32(out flags);
bits.ReadInt16(out module);
bits.ReadInt16(out pad2);
bits.ReadUInt32(out dataCrc);
bits.ReadUInt32(out relocCrc);
}
private static void LoadDbiStream(BitAccess bits, out DbiModuleInfo[] modules, out DbiDbgHdr header, bool readStrings)
{
DbiHeader dh = new DbiHeader(bits);
header = new DbiDbgHdr();
// Read gpmod section.
ArrayList modList = new ArrayList();
int end = bits.Position + dh.gpmodiSize;
while (bits.Position < end)
{
DbiModuleInfo mod = new DbiModuleInfo(bits, readStrings);
modList.Add(mod);
}
if (bits.Position != end)
{
throw new Exception(string.Format("Error reading DBI stream, pos={0} != {1}", bits.Position, end));
}
if (modList.Count > 0)
{
modules = (DbiModuleInfo[])modList.ToArray(typeof(DbiModuleInfo));
}
else
{
modules = null;
}
// Skip the Section Contribution substream.
bits.Position += dh.secconSize;
// Skip the Section Map substream.
bits.Position += dh.secmapSize;
// Skip the File Info substream.
bits.Position += dh.filinfSize;
// Skip the TSM substream.
bits.Position += dh.tsmapSize;
// Skip the EC substream.
bits.Position += dh.ecinfoSize;
// Read the optional header.
end = bits.Position + dh.dbghdrSize;
if (dh.dbghdrSize > 0)
{
header = new DbiDbgHdr(bits);
}
bits.Position = end;
}
private 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 Exception(string.Format("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;
}
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);
PdbSource src = new PdbSource(/*(uint)ni,*/ (string)names[(int)chk.name], SymDocumentType.Text, Guid.Empty, Guid.Empty);
checks.Add(ni, src);
bits.Position += chk.len;
bits.Align(4);
}
bits.Position = endSym;
break;
default:
bits.Position = endSym;
break;
}
}
return checks;
}
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 Exception(string.Format("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 == 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 Exception(string.Format("OEM section: guid={0} ti={1}", oem.idOem, oem.typind));
}
case SYM.S_END:
bits.Position = stop;
break;
default:
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];
}
}
public static PdbFunction[] LoadFunctions(Stream read, bool readAllStrings)
{
BitAccess bits = new BitAccess(512 * 1024);
return(LoadFunctions(read, bits, readAllStrings));
}
internal BitSet(BitAccess bits)
{
bits.ReadInt32(out size); // 0..3 : Number of words
words = new uint[size];
bits.ReadUInt32(words);
}
static void LoadManagedLines(PdbFunction[] funcs,
IntHashTable names,
BitAccess bits,
uint limit)
{
Array.Sort(funcs, PdbFunction.byAddress);
checks.Clear();
// Read the files first
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];
PdbSource src = new PdbSource((uint)ni, name);
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);
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);
PdbFunction func = FindFunction(funcs, sec.sec, sec.off);
// 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 delta = (line.flags & 0x7f000000) >> 24;
bool statement = ((line.flags & 0x80000000) == 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,
line.flags & 0xffffff,
column.offColumnStart,
column.offColumnEnd);
}
}
break;
}
}
bits.Position = endSym;
}
}
static int LoadPdbStream(BitAccess bits)
{
int nameStream = -1;
int ver;
int sig;
int age;
Guid guid;
bits.ReadInt32(out ver); // 0..3 Version
bits.ReadInt32(out sig); // 4..7 Signature
bits.ReadInt32(out age); // 8..11 Age
bits.ReadGuid(out guid); // 12..27 GUID
if (ver != 20000404)
{
throw new PdbDebugException("Unsupported PDB Stream version {0}", ver);
}
// Read string buffer.
int buf;
bits.ReadInt32(out buf); // 28..31 Bytes of Strings
int beg = bits.Position;
int nxt = bits.Position + buf;
bits.Position = nxt;
// Read map index.
int cnt; // n+0..3 hash size.
int max; // n+4..7 maximum ni.
bits.ReadInt32(out cnt);
bits.ReadInt32(out max);
BitSet present = new BitSet(bits);
BitSet deleted = new BitSet(bits);
if (!deleted.IsEmpty)
{
throw new PdbDebugException("Unsupported PDB deleted bitset is not empty.");
}
int j = 0;
for (int i = 0; i < max; i++)
{
if (present.IsSet(i))
{
int ns;
int ni;
bits.ReadInt32(out ns);
bits.ReadInt32(out ni);
string name;
int saved = bits.Position;
bits.Position = beg + ns;
bits.ReadCString(out name);
bits.Position = saved;
if (name == "/names")
{
nameStream = ni;
}
else if (name == "/src/headerblock")
{
// srchStream = ni;
}
else if (name == "/LinkInfo")
{
// linkStream = ni;
}
j++;
}
}
if (j != cnt)
{
throw new PdbDebugException("Count mismatch. ({0} != {1})", j, cnt);
}
return(nameStream);
}
static void LoadDbiStream(BitAccess bits,
out DbiModuleInfo[] modules,
out DbiDbgHdr header,
bool readStrings)
{
DbiHeader dh = new DbiHeader(bits);
header = new DbiDbgHdr();
if (dh.sig != -1 || dh.ver != 19990903)
{
throw new PdbException("Unsupported DBI Stream version, sig={0}, ver={1}",
dh.sig, dh.ver);
}
// Read gpmod section.
ArrayList modList = new ArrayList();
int end = bits.Position + dh.gpmodiSize;
while (bits.Position < end)
{
DbiModuleInfo mod = new DbiModuleInfo(bits, readStrings);
modList.Add(mod);
}
if (bits.Position != end)
{
throw new PdbDebugException("Error reading DBI stream, pos={0} != {1}",
bits.Position, end);
}
if (modList.Count > 0)
{
modules = (DbiModuleInfo[])modList.ToArray(typeof(DbiModuleInfo));
}
else
{
modules = null;
}
// Skip the Section Contribution substream.
bits.Position += dh.secconSize;
// Skip the Section Map substream.
bits.Position += dh.secmapSize;
// Skip the File Info substream.
bits.Position += dh.filinfSize;
// Skip the TSM substream.
bits.Position += dh.tsmapSize;
// Skip the EC substream.
bits.Position += dh.ecinfoSize;
// Read the optional header.
end = bits.Position + dh.dbghdrSize;
if (dh.dbghdrSize > 0)
{
header = new DbiDbgHdr(bits);
}
bits.Position = end;
}
internal static PdbFunction[] LoadManagedFunctions(string module,
BitAccess bits, uint limit,
bool readStrings)
{
string mod = StripNamespace(module);
int begin = bits.Position;
int count = 0;
while (bits.Position < limit)
{
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_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;
PdbFunction[] funcs = new PdbFunction[count];
int func = 0;
while (bits.Position < limit)
{
ushort siz;
ushort rec;
bits.ReadUInt16(out siz);
int star = bits.Position;
int stop = bits.Position + siz;
bits.ReadUInt16(out rec);
switch ((SYM)rec)
{
case SYM.S_GMANPROC:
case SYM.S_LMANPROC:
ManProcSym proc;
int 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;
}
}
}
return(funcs);
}
internal PdbFunction(string module, ManProcSym proc, BitAccess bits)
{
this.token = proc.token;
this.module = module;
this.name = proc.name;
this.flags = proc.flags;
this.segment = proc.seg;
this.address = proc.off;
this.length = proc.len;
this.slotToken = 0;
if (proc.seg != 1)
{
throw new PdbDebugException("Segment is {0}, not 1.", proc.seg);
}
if (proc.parent != 0 || proc.next != 0)
{
throw new PdbDebugException("Warning parent={0}, next={1}",
proc.parent, proc.next);
}
if (proc.dbgStart != 0 || proc.dbgEnd != 0)
{
throw new PdbDebugException("Warning DBG start={0}, end={1}",
proc.dbgStart, proc.dbgEnd);
}
int scopeCount;
int slotCount;
CountScopesAndSlots(bits, proc.end, out scopeCount, out slotCount);
scopes = new PdbScope[scopeCount];
int scope = 0;
while (bits.Position < proc.end)
{
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: { // 0x0404
OemSymbol oem;
bits.ReadGuid(out oem.idOem);
bits.ReadUInt32(out oem.typind);
// public byte[] rgl; // user data, force 4-byte alignment
if (oem.idOem == msilMetaData)
{
metadata = new byte[stop - bits.Position];
bits.ReadBytes(metadata);
bits.Position = stop;
break;
}
else
{
throw new PdbDebugException("OEM section: guid={0} ti={1}",
oem.idOem, oem.typind);
// bits.Position = stop;
}
}
case SYM.S_BLOCK32: {
BlockSym32 block = new BlockSym32();
bits.ReadUInt32(out block.parent);
bits.ReadUInt32(out block.end);
bits.ReadUInt32(out block.len);
bits.ReadUInt32(out block.off);
bits.ReadUInt16(out block.seg);
bits.SkipCString(out block.name);
bits.Position = stop;
scopes[scope] = new PdbScope(block, bits, out slotToken);
bits.Position = (int)block.end;
break;
}
case SYM.S_UNAMESPACE:
bits.Position = stop;
break;
case SYM.S_END:
bits.Position = stop;
break;
default: {
throw new PdbDebugException("Unknown SYM: {0}", (SYM)rec);
// bits.Position = stop;
}
}
}
if (bits.Position != proc.end)
{
throw new PdbDebugException("Not at S_END");
}
ushort esiz;
ushort erec;
bits.ReadUInt16(out esiz);
bits.ReadUInt16(out erec);
if (erec != (ushort)SYM.S_END)
{
throw new PdbDebugException("Missing S_END");
}
}
internal PdbScope(BlockSym32 block, BitAccess bits, out uint typind)
{
this.segment = block.seg;
this.address = block.off;
this.length = block.len;
typind = 0;
int scopeCount;
int slotCount;
PdbFunction.CountScopesAndSlots(bits, block.end, out scopeCount, out slotCount);
scopes = new PdbScope[scopeCount];
slots = new PdbSlot[slotCount];
int scope = 0;
int slot = 0;
while (bits.Position < block.end)
{
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_BLOCK32: {
BlockSym32 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;
scopes[scope++] = new PdbScope(sub, bits, out typind);
break;
}
case SYM.S_MANSLOT:
slots[slot++] = new PdbSlot(bits, out typind);
bits.Position = stop;
break;
case SYM.S_END:
case SYM.S_UNAMESPACE:
case SYM.S_MANCONSTANT:
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="bits">
/// </param>
internal PdbConstant(BitAccess bits)
{
bits.ReadUInt32(out this.token);
byte tag1;
bits.ReadUInt8(out tag1);
byte tag2;
bits.ReadUInt8(out tag2);
if (tag2 == 0)
{
this.value = tag1;
}
else if (tag2 == 0x80)
{
switch (tag1)
{
case 0x01: // short
short s;
bits.ReadInt16(out s);
this.value = s;
break;
case 0x02: // ushort
ushort us;
bits.ReadUInt16(out us);
this.value = us;
break;
case 0x03: // int
int i;
bits.ReadInt32(out i);
this.value = i;
break;
case 0x04: // uint
uint ui;
bits.ReadUInt32(out ui);
this.value = ui;
break;
case 0x05: // float
this.value = bits.ReadFloat();
break;
case 0x06: // double
this.value = bits.ReadDouble();
break;
case 0x09: // long
long sl;
bits.ReadInt64(out sl);
this.value = sl;
break;
case 0x0a: // ulong
ulong ul;
bits.ReadUInt64(out ul);
this.value = ul;
break;
case 0x10: // string
string str;
bits.ReadBString(out str);
this.value = str;
break;
case 0x19: // decimal
this.value = bits.ReadDecimal();
break;
default:
// TODO: error
break;
}
}
else
{
// TODO: error
}
bits.ReadCString(out this.name);
}
internal DbiModuleInfo(BitAccess bits, bool readStrings)
{
bits.ReadInt32(out opened);
new DbiSecCon(bits);
bits.ReadUInt16(out flags);
bits.ReadInt16(out stream);
bits.ReadInt32(out cbSyms);
bits.ReadInt32(out cbOldLines);
bits.ReadInt32(out cbLines);
bits.ReadInt16(out files);
bits.ReadInt16(out pad1);
bits.ReadUInt32(out offsets);
bits.ReadInt32(out niSource);
bits.ReadInt32(out niCompiler);
if (readStrings)
{
bits.ReadCString(out moduleName);
bits.ReadCString(out objectName);
}
else
{
bits.SkipCString(out moduleName);
bits.SkipCString(out objectName);
}
bits.Align(4);
}
internal PdbFileHeader(Stream reader, BitAccess bits)
{
bits.MinCapacity(56);
reader.Seek(0, SeekOrigin.Begin);
bits.FillBuffer(reader, 52);
this.magic = new byte[32];
bits.ReadBytes(this.magic); // 0..31
bits.ReadInt32(out this.pageSize); // 32..35
bits.ReadInt32(out this.freePageMap); // 36..39
bits.ReadInt32(out this.pagesUsed); // 40..43
bits.ReadInt32(out this.directorySize); // 44..47
bits.ReadInt32(out this.zero); // 48..51
int directoryPages = ((((directorySize + pageSize - 1) / pageSize) * 4) + pageSize - 1) / pageSize;
this.directoryRoot = new int[directoryPages];
bits.FillBuffer(reader, directoryPages * 4);
bits.ReadInt32(this.directoryRoot);
}
internal ushort vers; // 14..15
/// <summary>
/// </summary>
/// <param name="bits">
/// </param>
internal DbiHeader(BitAccess bits)
{
bits.ReadInt32(out this.sig);
bits.ReadInt32(out this.ver);
bits.ReadInt32(out this.age);
bits.ReadInt16(out this.gssymStream);
bits.ReadUInt16(out this.vers);
bits.ReadInt16(out this.pssymStream);
bits.ReadUInt16(out this.pdbver);
bits.ReadInt16(out this.symrecStream);
bits.ReadUInt16(out this.pdbver2);
bits.ReadInt32(out this.gpmodiSize);
bits.ReadInt32(out this.secconSize);
bits.ReadInt32(out this.secmapSize);
bits.ReadInt32(out this.filinfSize);
bits.ReadInt32(out this.tsmapSize);
bits.ReadInt32(out this.mfcIndex);
bits.ReadInt32(out this.dbghdrSize);
bits.ReadInt32(out this.ecinfoSize);
bits.ReadUInt16(out this.flags);
bits.ReadUInt16(out this.machine);
bits.ReadInt32(out this.reserved);
}
private static Dictionary<string, int> LoadNameIndex(BitAccess bits)
{
Dictionary<string, int> result = new Dictionary<string, int>();
int ver;
int sig;
int age;
Guid guid;
bits.ReadInt32(out ver); // 0..3 Version
bits.ReadInt32(out sig); // 4..7 Signature
bits.ReadInt32(out age); // 8..11 Age
bits.ReadGuid(out guid); // 12..27 GUID
// Read string buffer.
int buf;
bits.ReadInt32(out buf); // 28..31 Bytes of Strings
int beg = bits.Position;
int nxt = bits.Position + buf;
bits.Position = nxt;
// Read map index.
int cnt; // n+0..3 hash size.
int max; // n+4..7 maximum ni.
bits.ReadInt32(out cnt);
bits.ReadInt32(out max);
BitSet present = new BitSet(bits);
BitSet deleted = new BitSet(bits);
if (!deleted.IsEmpty)
{
throw new Exception("Unsupported PDB deleted bitset is not empty.");
}
int j = 0;
for (int i = 0; i < max; i++)
{
if (present.IsSet(i))
{
int ns;
int ni;
bits.ReadInt32(out ns);
bits.ReadInt32(out ni);
string name;
int saved = bits.Position;
bits.Position = beg + ns;
bits.ReadCString(out name);
bits.Position = saved;
result.Add(name.ToUpperInvariant(), ni);
j++;
}
}
if (j != cnt)
{
throw new Exception(string.Format("Count mismatch. ({0} != {1})", j, cnt));
}
return result;
}
/// <summary>
/// </summary>
/// <param name="bits">
/// </param>
internal BitSet(BitAccess bits)
{
bits.ReadInt32(out this.size); // 0..3 : Number of words
this.words = new uint[this.size];
bits.ReadUInt32(this.words);
}
internal void Read(PdbReader reader, BitAccess bits)
{
bits.MinCapacity(contentSize);
Read(reader, 0, bits.Buffer, 0, contentSize);
}
internal void Read(PdbReader reader, BitAccess bits)
{
bits.MinCapacity(contentSize);
Read(reader, 0, bits.Buffer, 0, contentSize);
}
/// <summary>
/// </summary>
/// <param name="bits">
/// </param>
internal PdbConstant(BitAccess bits)
{
bits.ReadUInt32(out this.token);
byte tag1;
bits.ReadUInt8(out tag1);
byte tag2;
bits.ReadUInt8(out tag2);
if (tag2 == 0)
{
this.value = tag1;
}
else if (tag2 == 0x80)
{
switch (tag1)
{
case 0x01: // short
short s;
bits.ReadInt16(out s);
this.value = s;
break;
case 0x02: // ushort
ushort us;
bits.ReadUInt16(out us);
this.value = us;
break;
case 0x03: // int
int i;
bits.ReadInt32(out i);
this.value = i;
break;
case 0x04: // uint
uint ui;
bits.ReadUInt32(out ui);
this.value = ui;
break;
case 0x05: // float
this.value = bits.ReadFloat();
break;
case 0x06: // double
this.value = bits.ReadDouble();
break;
case 0x09: // long
long sl;
bits.ReadInt64(out sl);
this.value = sl;
break;
case 0x0a: // ulong
ulong ul;
bits.ReadUInt64(out ul);
this.value = ul;
break;
case 0x10: // string
string str;
bits.ReadBString(out str);
this.value = str;
break;
case 0x19: // decimal
this.value = bits.ReadDecimal();
break;
default:
// TODO: error
break;
}
}
else
{
// TODO: error
}
bits.ReadCString(out this.name);
}
internal void Read(PdbStreamHelper reader, BitAccess bits)
{
bits.MinCapacity(_contentSize);
Read(reader, 0, bits.Buffer, 0, _contentSize);
}
internal BitSet(BitAccess bits)
{
bits.ReadInt32(out size); // 0..3 : Number of words
words = new uint[size];
bits.ReadUInt32(words);
}
private static Dictionary<uint, PdbTokenLine> LoadTokenToSourceMapping(Stream read)
{
var 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);
int nameStream;
if (!nameIndex.TryGetValue("/NAMES", out nameStream))
{
throw new Exception("No `name' stream");
}
dir.streams[nameStream].Read(reader, bits);
IntHashTable names = LoadNameStream(bits);
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);
}
}
}
}
return tokenToSourceMapping;
}
