internal PdbSynchronizationInformation(BitAccess bits)
{
uint asyncStepInfoCount;
bits.ReadUInt32(out this.kickoffMethodToken);
bits.ReadUInt32(out this.generatedCatchHandlerIlOffset);
bits.ReadUInt32(out asyncStepInfoCount);
this.synchronizationPoints = new PdbSynchronizationPoint[asyncStepInfoCount];
for (uint i = 0; i < asyncStepInfoCount; i += 1)
{
this.synchronizationPoints[i] = new PdbSynchronizationPoint(bits);
}
this.asyncMethod = Dummy.MethodDefinition;
this.moveNextMethod = Dummy.MethodDefinition;
}
private void ReadIteratorLocals(BitAccess bits)
{
uint numberOfLocals;
bits.ReadUInt32(out numberOfLocals);
this.iteratorScopes = new List <ILocalScope>((int)numberOfLocals);
while (numberOfLocals-- > 0)
{
uint ilStartOffset;
uint ilEndOffset;
bits.ReadUInt32(out ilStartOffset);
bits.ReadUInt32(out ilEndOffset);
this.iteratorScopes.Add(new PdbIteratorScope(ilStartOffset, ilEndOffset - ilStartOffset));
}
}
internal DbiModuleInfo(BitAccess bits, bool readStrings) {
bits.ReadInt32(out opened);
section = 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);
//}
}
private void ReadCustomMetadata(BitAccess bits)
{
int savedPosition = bits.Position;
byte version;
bits.ReadUInt8(out version);
byte kind;
bits.ReadUInt8(out kind);
bits.Align(4);
uint numberOfBytesInItem;
bits.ReadUInt32(out numberOfBytesInItem);
if (version == 4)
{
switch (kind)
{
case 0: this.ReadUsingInfo(bits); break;
case 1: this.ReadForwardInfo(bits); break;
case 2: break; // this.ReadForwardedToModuleInfo(bits); break;
case 3: this.ReadIteratorLocals(bits); break;
case 4: this.ReadForwardIterator(bits); break;
}
}
bits.Position = savedPosition + (int)numberOfBytesInItem;
}
private void ReadCustomMetadata(BitAccess bits)
{
int savedPosition = bits.Position;
byte version;
bits.ReadUInt8(out version);
if (version != 4)
{
throw new PdbDebugException("Unknown custom metadata item version: {0}", version);
}
byte kind;
bits.ReadUInt8(out kind);
bits.Align(4);
uint numberOfBytesInItem;
bits.ReadUInt32(out numberOfBytesInItem);
switch (kind)
{
case 0: this.ReadUsingInfo(bits); break;
case 1: this.ReadForwardInfo(bits); break;
case 2: this.ReadForwardedToModuleInfo(bits); break;
case 3: this.ReadIteratorLocals(bits); break;
case 4: this.ReadForwardIterator(bits); break;
default: throw new PdbDebugException("Unknown custom metadata item kind: {0}", kind);
}
bits.Position = savedPosition + (int)numberOfBytesInItem;
}
internal PdbSynchronizationInformation(Method moveNext, BitAccess bits, System.Compiler.Metadata.Reader reader)
{
this.reader = reader;
uint asyncStepInfoCount;
bits.ReadUInt32(out this.kickoffMethodToken);
bits.ReadUInt32(out this.generatedCatchHandlerIlOffset);
bits.ReadUInt32(out asyncStepInfoCount);
this.synchronizationPoints = new PdbSynchronizationPoint[asyncStepInfoCount];
for (uint i = 0; i < asyncStepInfoCount; i += 1)
{
this.synchronizationPoints[i] = new PdbSynchronizationPoint(bits, reader);
}
// this.asyncMethod = reader.pdbInfo.GetMethodFromPdbToken(kickoffMethodToken);
this.moveNextMethod = moveNext;
}
private void ReadCustomMetadata(BitAccess bits)
{
int savedPosition = bits.Position;
byte version;
bits.ReadUInt8(out version);
if (version != 4)
{
throw new PdbDebugException("Unknown custom metadata item version: {0}", version);
}
byte kind;
bits.ReadUInt8(out kind);
bits.Align(4);
uint numberOfBytesInItem;
bits.ReadUInt32(out numberOfBytesInItem);
switch (kind)
{
case 0: this.ReadUsingInfo(bits); break;
case 1: this.ReadForwardInfo(bits); break;
case 2: break; // this.ReadForwardedToModuleInfo(bits); break;
case 3: this.ReadIteratorLocals(bits); break;
case 4: this.ReadForwardIterator(bits); break;
// TODO: handle unknown custom metadata, 5 & 6 are new with roslyn, see https://roslyn.codeplex.com/workitem/54
}
bits.Position = savedPosition + (int)numberOfBytesInItem;
}
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 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);
//}
}
internal static PdbFunction[] LoadFunctions(Stream read, BitAccess bits, bool readAllStrings)
{
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 PdbException("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, readAllStrings);
ArrayList funcList = new ArrayList();
if (modules != null)
{
for (int m = 0; m < modules.Length; m++)
{
if (modules[m].stream > 0)
{
dir.streams[modules[m].stream].Read(reader, bits);
LoadFuncsFromDbiModule(bits, modules[m], names, funcList,
readAllStrings, 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.byAddress);
//Array.Sort(funcs, PdbFunction.byToken);
return(funcs);
}
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);
//}
}
//internal uint segment;
//internal uint address;
internal PdbSlot(BitAccess bits) {
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.typeToken = slot.typind;
this.name = slot.name;
this.flags = slot.flags;
//this.segment = slot.segCod;
//this.address = slot.offCod;
}
//internal uint segment;
//internal uint address;
internal PdbSlot(BitAccess bits)
{
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.typeToken = slot.typind;
this.name = slot.name;
this.flags = slot.flags;
//this.segment = slot.segCod;
//this.address = slot.offCod;
}
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 = DocumentType.Text.ToGuid();
Guid languageGuid = Guid.Empty;
Guid vendorGuid = Guid.Empty;
Guid checksumAlgoGuid = Guid.Empty;
byte[] checksum = null;
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, out checksumAlgoGuid, out checksum);
}
PdbSource src = new PdbSource(/*(uint)ni,*/ name, doctypeGuid, languageGuid, vendorGuid, checksumAlgoGuid, checksum);
checks.Add(ni, src);
bits.Position += chk.len;
bits.Align(4);
}
bits.Position = endSym;
break;
default:
bits.Position = endSym;
break;
}
}
return(checks);
}
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 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;
}
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);
}
internal static PdbFunction[] LoadFunctions(Stream read, BitAccess bits, bool readAllStrings)
{
PdbFileHeader head = new PdbFileHeader(read, bits);
PdbReader reader = new PdbReader(read, head.PageSize);
MsfDirectory dir = new MsfDirectory(reader, head, bits);
DbiModuleInfo[] modules;
DbiDbgHdr header;
dir.streams[1].Read(reader, bits);
Dictionary<string, int> nameIndex = LoadNameIndex(bits);
int nameStream;
if (!nameIndex.TryGetValue("/names", out nameStream)) {
throw new PdbException("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, readAllStrings);
ArrayList funcList = new ArrayList();
if (modules != null) {
for (int m = 0; m < modules.Length; m++) {
if (modules[m].stream > 0) {
dir.streams[modules[m].stream].Read(reader, bits);
LoadFuncsFromDbiModule(bits, modules[m], names, funcList,
readAllStrings, 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.ByAddress);
//Array.Sort(funcs, PdbFunction.byToken);
return funcs;
}
private void ReadCustomMetadata(BitAccess bits)
{
int savedPosition = bits.Position;
byte version;
bits.ReadUInt8(out version);
byte kind;
bits.ReadUInt8(out kind);
bits.Position += 2; // 2-bytes padding
uint numberOfBytesInItem;
bits.ReadUInt32(out numberOfBytesInItem);
if (version == 4)
{
switch (kind)
{
case 0: this.ReadUsingInfo(bits); break;
case 1: this.ReadForwardInfo(bits); break;
case 2: break; // this.ReadForwardedToModuleInfo(bits); break;
case 3: this.ReadIteratorLocals(bits); break;
case 4: this.ReadForwardIterator(bits); break;
case 5: break; // dynamic locals - see http://index/#Microsoft.VisualStudio.LanguageServices/Shared/CustomDebugInfoReader.cs,a3031f7681d76e93
case 6: break; // EnC data
case 7: break; // EnC data for lambdas and closures
// ignore any other unknown record types that may be added in future, instead of throwing an exception
// see more details here: https://github.com/tmat/roslyn/blob/portable-pdb/docs/specs/PortablePdb-Metadata.md
default: break; // throw new PdbDebugException("Unknown custom metadata item kind: {0}", kind);
}
}
bits.Position = savedPosition + (int)numberOfBytesInItem;
}
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;
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 constantCount;
int scopeCount;
int slotCount;
int usedNamespacesCount;
CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount);
int scope = constantCount > 0 || slotCount > 0 || usedNamespacesCount > 0 ? 1 : 0;
int slot = 0;
int constant = 0;
int usedNs = 0;
scopes = new PdbScope[scopeCount+scope];
slots = new PdbSlot[slotCount];
constants = new PdbConstant[constantCount];
usedNamespaces = new string[usedNamespacesCount];
if (scope > 0)
scopes[0] = new PdbScope(this.address, proc.len, slots, constants, usedNamespaces);
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);
// internal byte[] rgl; // user data, force 4-byte alignment
if (oem.idOem == msilMetaData) {
string name = bits.ReadString();
if (name == "MD2") {
byte version;
bits.ReadUInt8(out version);
if (version == 4) {
byte count;
bits.ReadUInt8(out count);
bits.Align(4);
while (count-- > 0)
this.ReadCustomMetadata(bits);
}
} else if (name == "asyncMethodInfo") {
this.synchronizationInformation = new PdbSynchronizationInformation(bits);
}
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(this.address, block, bits, out slotToken);
bits.Position = (int)block.end;
break;
}
case SYM.S_MANSLOT:
slots[slot++] = new PdbSlot(bits);
bits.Position = stop;
break;
case SYM.S_MANCONSTANT:
constants[constant++] = new PdbConstant(bits);
bits.Position = stop;
break;
case SYM.S_UNAMESPACE:
bits.ReadCString(out usedNamespaces[usedNs++]);
bits.Position = stop;
break;
case SYM.S_END:
bits.Position = stop;
break;
default: {
//throw new PdbDebugException("Unknown SYM: {0}", (SYM)rec);
bits.Position = stop;
break;
}
}
}
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");
}
}
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;
}
private void ReadCustomMetadata(BitAccess bits)
{
int savedPosition = bits.Position;
byte version;
bits.ReadUInt8(out version);
byte kind;
bits.ReadUInt8(out kind);
bits.Position += 2; // 2-bytes padding
uint numberOfBytesInItem;
bits.ReadUInt32(out numberOfBytesInItem);
if (version == 4)
{
switch (kind)
{
case 0: this.ReadUsingInfo(bits); break;
case 1: this.ReadForwardInfo(bits); break;
case 2: break; // this.ReadForwardedToModuleInfo(bits); break;
case 3: this.ReadIteratorLocals(bits); break;
case 4: this.ReadForwardIterator(bits); break;
case 5: break; // dynamic locals - see http://index/#Microsoft.VisualStudio.LanguageServices/Shared/CustomDebugInfoReader.cs,a3031f7681d76e93
case 6: break; // EnC data
case 7: break; // EnC data for lambdas and closures
// ignore any other unknown record types that may be added in future, instead of throwing an exception
// see more details here: https://github.com/tmat/roslyn/blob/portable-pdb/docs/specs/PortablePdb-Metadata.md
default: break; // throw new PdbDebugException("Unknown custom metadata item kind: {0}", kind);
}
}
bits.Position = savedPosition + (int)numberOfBytesInItem;
}
internal PdbSynchronizationPoint(BitAccess bits)
{
bits.ReadUInt32(out this.synchronizeOffset);
bits.ReadUInt32(out this.continuationMethodToken);
bits.ReadUInt32(out this.continuationOffset);
}
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 0x00: //sbyte
sbyte sb;
bits.ReadInt8(out sb);
this.value = sb;
break;
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 name);
}
internal BitSet(BitAccess bits)
{
bits.ReadInt32(out size); // 0..3 : Number of words
words = new uint[size];
bits.ReadUInt32(words);
}
private void ReadIteratorLocals(BitAccess bits) {
uint numberOfLocals;
bits.ReadUInt32(out numberOfLocals);
this.iteratorScopes = new List<ILocalScope>((int)numberOfLocals);
while (numberOfLocals-- > 0) {
uint ilStartOffset;
uint ilEndOffset;
bits.ReadUInt32(out ilStartOffset);
bits.ReadUInt32(out ilEndOffset);
this.iteratorScopes.Add(new PdbIteratorScope(ilStartOffset, ilEndOffset-ilStartOffset));
}
}
static void LoadManagedLines(PdbFunction[] funcs,
IntHashTable names,
BitAccess bits,
MsfDirectory dir,
Dictionary <string, int> nameIndex,
PdbReader reader,
uint limit)
{
Array.Sort(funcs, PdbFunction.byAddress);
IntHashTable checks = new IntHashTable();
// 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];
int guidStream;
Guid doctypeGuid = SymDocumentType.Text;
Guid languageGuid = SymLanguageType.CSharp;
Guid 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);
}
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;
}
}
// 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);
if (func == 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;
}
}
internal BitSet(BitAccess bits) {
bits.ReadInt32(out size); // 0..3 : Number of words
words = new uint[size];
bits.ReadUInt32(words);
}
internal PdbScope(uint funcOffset, BlockSym32 block, BitAccess bits, out uint typind) {
//this.segment = block.seg;
this.address = block.off;
this.offset = block.off - funcOffset;
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);
constants = new PdbConstant[constantCount];
scopes = new PdbScope[scopeCount];
slots = new PdbSlot[slotCount];
usedNamespaces = new string[namespaceCount];
int constant = 0;
int scope = 0;
int slot = 0;
int usedNs = 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(funcOffset, sub, bits, out typind);
break;
}
case SYM.S_MANSLOT:
slots[slot++] = new PdbSlot(bits, out typind);
bits.Position = stop;
break;
case SYM.S_UNAMESPACE:
bits.ReadCString(out usedNamespaces[usedNs++]);
bits.Position = stop;
break;
case SYM.S_END:
bits.Position = stop;
break;
case SYM.S_MANCONSTANT:
constants[constant++] = new PdbConstant(bits);
bits.Position = stop;
break;
default:
//throw new PdbException("Unknown SYM in scope {0}", (SYM)rec);
bits.Position = stop;
break;
}
}
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");
}
}
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 constantCount;
int scopeCount;
int slotCount;
int usedNamespacesCount;
CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount);
this.Scopes = new PdbScope[scopeCount];
const 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);
// internal byte[] rgl; // user data, force 4-byte alignment
if (oem.idOem == MsilMetaData)
{
string name = bits.ReadString();
if (name == "MD2")
{
byte version;
bits.ReadUInt8(out version);
if (version == 4)
{
byte count;
bits.ReadUInt8(out count);
bits.Align(4);
while (count-- > 0)
this.ReadCustomMetadata(bits);
}
}
bits.Position = stop;
break;
}
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 this.Address);
bits.ReadUInt16(out block.seg);
bits.SkipCString(out block.name);
bits.Position = stop;
this.Scopes[scope] = new PdbScope(block, bits, out this.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;
break;
}
}
}
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");
}
}
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;
#if !NET_CORE
Guid doctypeGuid = SymDocumentType.Text;
#else
// Note : netstandard1.6 doesn't support SymDocumentType. Looks like it might be in netstandard2.0, but that
// is not coming out for a few months still. Looking at our mono, SymDocumentType.Text simply returns and empty Guid
// so let's just go with that
Guid doctypeGuid = Guid.Empty;
#endif
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);
}
internal PdbConstant(BitAccess bits)
{
bits.ReadUInt32(out this.Token);
byte tag1;
bits.ReadUInt8(out tag1);
byte tag2;
bits.ReadUInt8(out tag2);
switch (tag2)
{
case 0:
this.Value = tag1;
break;
case 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;
}
break;
}
bits.ReadCString(out this.Name);
}
internal PdbSynchronizationInformation(Method moveNext, BitAccess bits, System.Compiler.Metadata.Reader reader)
{
this.reader = reader;
uint asyncStepInfoCount;
bits.ReadUInt32(out this.kickoffMethodToken);
bits.ReadUInt32(out this.generatedCatchHandlerIlOffset);
bits.ReadUInt32(out asyncStepInfoCount);
this.synchronizationPoints = new PdbSynchronizationPoint[asyncStepInfoCount];
for (uint i = 0; i < asyncStepInfoCount; i += 1)
{
this.synchronizationPoints[i] = new PdbSynchronizationPoint(bits, reader);
}
// this.asyncMethod = reader.pdbInfo.GetMethodFromPdbToken(kickoffMethodToken);
this.moveNextMethod = moveNext;
}
internal PdbSynchronizationInformation(BitAccess bits) {
uint asyncStepInfoCount;
bits.ReadUInt32(out this.kickoffMethodToken);
bits.ReadUInt32(out this.generatedCatchHandlerIlOffset);
bits.ReadUInt32(out asyncStepInfoCount);
this.synchronizationPoints = new PdbSynchronizationPoint[asyncStepInfoCount];
for (uint i = 0; i < asyncStepInfoCount; i += 1) {
this.synchronizationPoints[i] = new PdbSynchronizationPoint(bits);
}
}
private void ReadCustomMetadata(BitAccess bits)
{
int savedPosition = bits.Position;
byte version;
bits.ReadUInt8(out version);
byte kind;
bits.ReadUInt8(out kind);
bits.Align(4);
uint numberOfBytesInItem;
bits.ReadUInt32(out numberOfBytesInItem);
if (version == 4)
{
switch (kind)
{
case 0: this.ReadUsingInfo(bits); break;
case 1: this.ReadForwardInfo(bits); break;
case 2: break; // this.ReadForwardedToModuleInfo(bits); break;
case 3: this.ReadIteratorLocals(bits); break;
case 4: this.ReadForwardIterator(bits); break;
}
}
bits.Position = savedPosition + (int)numberOfBytesInItem;
}
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;
break;
}
}
}
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;
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 constantCount;
int scopeCount;
int slotCount;
int usedNamespacesCount;
CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount);
int scope = constantCount > 0 || slotCount > 0 || usedNamespacesCount > 0 ? 1 : 0;
int slot = 0;
int constant = 0;
int usedNs = 0;
scopes = ArrayT <PdbScope> .Create(scopeCount + scope);
slots = ArrayT <PdbSlot> .Create(slotCount);
constants = ArrayT <PdbConstant> .Create(constantCount);
usedNamespaces = ArrayT <string> .Create(usedNamespacesCount);
if (scope > 0)
{
scopes[0] = new PdbScope(this.address, proc.len, slots, constants, usedNamespaces);
}
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);
// internal byte[] rgl; // user data, force 4-byte alignment
if (oem.idOem == msilMetaData)
{
string name = bits.ReadString();
if (name == "MD2")
{
ReadMD2CustomMetadata(bits);
}
else if (name == "asyncMethodInfo")
{
this.synchronizationInformation = new PdbSynchronizationInformation(bits);
}
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(this.address, block, bits, out slotToken);
bits.Position = (int)block.end;
break;
}
case SYM.S_MANSLOT:
slots[slot++] = new PdbSlot(bits);
bits.Position = stop;
break;
case SYM.S_MANCONSTANT:
constants[constant++] = new PdbConstant(bits);
bits.Position = stop;
break;
case SYM.S_UNAMESPACE:
bits.ReadCString(out usedNamespaces[usedNs++]);
bits.Position = stop;
break;
case SYM.S_END:
bits.Position = stop;
break;
default: {
//throw new PdbDebugException("Unknown SYM: {0}", (SYM)rec);
bits.Position = stop;
break;
}
}
}
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 PdbSynchronizationPoint(BitAccess bits, System.Compiler.Metadata.Reader reader)
{
this.reader = reader;
bits.ReadUInt32(out this.synchronizeOffset);
bits.ReadUInt32(out this.continuationMethodToken);
bits.ReadUInt32(out this.continuationOffset);
//this.continuationMethod = reader.pdbInfo.GetMethodFromPdbToken(continuationMethodToken);
}
//private void ReadForwardedToModuleInfo(BitAccess bits) {
//}
private void ReadForwardInfo(BitAccess bits)
{
bits.ReadUInt32(out this.tokenOfMethodWhoseUsingInfoAppliesToThisMethod);
}
static void LoadManagedLines(PdbFunction[] funcs,
IntHashTable names,
BitAccess bits,
MsfDirectory dir,
Dictionary <string, int> nameIndex,
PdbReader reader,
uint limit,
Dictionary <string, PdbSource> sourceCache)
{
Array.Sort(funcs, PdbFunction.byAddressAndToken);
int begin = bits.Position;
IntHashTable checks = ReadSourceFileInfo(bits, limit, names, dir, nameIndex, reader, sourceCache);
// 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;
}
}
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;
#if !NET_CORE
Guid doctypeGuid = SymDocumentType.Text;
#else
// Note : netstandard1.6 doesn't support SymDocumentType. Looks like it might be in netstandard2.0, but that
// is not coming out for a few months still. Looking at our mono, SymDocumentType.Text simply returns and empty Guid
// so let's just go with that
Guid doctypeGuid = Guid.Empty;
#endif
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;
}
private static void LoadTokenToSourceInfo(BitAccess bits, DbiModuleInfo module, IntHashTable names, MsfDirectory dir,
Dictionary <string, int> nameIndex, PdbReader reader, Dictionary <uint, PdbTokenLine> tokenToSourceMapping,
Dictionary <string, PdbSource> sourceCache)
{
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, sourceCache);
foreach (var tokenLine in tokenToSourceMapping.Values)
{
tokenLine.sourceFile = (PdbSource)sourceFiles[(int)tokenLine.file_id];
}
}
static void LoadManagedLines(PdbFunction[] funcs,
IntHashTable names,
BitAccess bits,
MsfDirectory dir,
Dictionary<string, int> nameIndex,
PdbReader reader,
uint limit) {
Array.Sort(funcs, PdbFunction.byAddressAndToken);
IntHashTable checks = new IntHashTable();
// 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];
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;
}
}
// 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;
}
}
private void ReadCustomMetadata(BitAccess bits)
{
int savedPosition = bits.Position;
byte version;
bits.ReadUInt8(out version);
if (version != 4) {
throw new PdbDebugException("Unknown custom metadata item version: {0}", version);
}
byte kind;
bits.ReadUInt8(out kind);
bits.Align(4);
uint numberOfBytesInItem;
bits.ReadUInt32(out numberOfBytesInItem);
switch (kind) {
case 0: this.ReadUsingInfo(bits); break;
case 1: this.ReadForwardInfo(bits); break;
case 2: this.ReadForwardedToModuleInfo(bits); break;
case 3: this.ReadIteratorLocals(bits); break;
case 4: this.ReadForwardIterator(bits); break;
default: throw new PdbDebugException("Unknown custom metadata item kind: {0}", kind);
}
bits.Position = savedPosition+(int)numberOfBytesInItem;
}
internal static void CountScopesAndSlots(BitAccess bits, uint limit,
out int constants, out int scopes, out int slots, out int usedNamespaces) {
int pos = bits.Position;
BlockSym32 block;
constants = 0;
slots = 0;
scopes = 0;
usedNamespaces = 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_BLOCK32: {
bits.ReadUInt32(out block.parent);
bits.ReadUInt32(out block.end);
scopes++;
bits.Position = (int)block.end;
break;
}
case SYM.S_MANSLOT:
slots++;
bits.Position = stop;
break;
case SYM.S_UNAMESPACE:
usedNamespaces++;
bits.Position = stop;
break;
case SYM.S_MANCONSTANT:
constants++;
bits.Position = stop;
break;
default:
bits.Position = stop;
break;
}
}
bits.Position = pos;
}
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 0x00: //sbyte
sbyte sb;
bits.ReadInt8(out sb);
this.value = sb;
break;
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 name);
}
private void ReadCustomMetadata(BitAccess bits) {
int savedPosition = bits.Position;
byte version;
bits.ReadUInt8(out version);
if (version != 4) {
throw new PdbDebugException("Unknown custom metadata item version: {0}", version);
}
byte kind;
bits.ReadUInt8(out kind);
bits.Align(4);
uint numberOfBytesInItem;
bits.ReadUInt32(out numberOfBytesInItem);
switch (kind) {
case 0: this.ReadUsingInfo(bits); break;
case 1: this.ReadForwardInfo(bits); break;
case 2: break; // this.ReadForwardedToModuleInfo(bits); break;
case 3: this.ReadIteratorLocals(bits); break;
case 4: this.ReadForwardIterator(bits); break;
// TODO: handle unknown custom metadata, 5 & 6 are new with roslyn, see https://roslyn.codeplex.com/workitem/54
}
bits.Position = savedPosition+(int)numberOfBytesInItem;
}
internal PdbConstant(BitAccess bits)
{
bits.ReadUInt32(out this.Token);
byte tag1;
bits.ReadUInt8(out tag1);
byte tag2;
bits.ReadUInt8(out tag2);
switch (tag2)
{
case 0:
this.Value = tag1;
break;
case 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;
}
break;
}
bits.ReadCString(out this.Name);
}
//private void ReadForwardedToModuleInfo(BitAccess bits) {
//}
private void ReadForwardInfo(BitAccess bits) {
bits.ReadUInt32(out this.tokenOfMethodWhoseUsingInfoAppliesToThisMethod);
}
internal PdbScope(uint funcOffset, BlockSym32 block, BitAccess bits, out uint typind)
{
//this.segment = block.seg;
this.address = block.off;
this.offset = block.off - funcOffset;
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);
constants = new PdbConstant[constantCount];
scopes = new PdbScope[scopeCount];
slots = new PdbSlot[slotCount];
usedNamespaces = new string[namespaceCount];
int constant = 0;
int scope = 0;
int slot = 0;
int usedNs = 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(funcOffset, sub, bits, out typind);
break;
}
case SYM.S_MANSLOT:
slots[slot++] = new PdbSlot(bits, out typind);
bits.Position = stop;
break;
case SYM.S_UNAMESPACE:
bits.ReadCString(out usedNamespaces[usedNs++]);
bits.Position = stop;
break;
case SYM.S_END:
bits.Position = stop;
break;
case SYM.S_MANCONSTANT:
constants[constant++] = new PdbConstant(bits);
bits.Position = stop;
break;
default:
//throw new PdbException("Unknown SYM in scope {0}", (SYM)rec);
bits.Position = stop;
break;
}
}
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");
}
}
internal PdbSynchronizationPoint(BitAccess bits) {
bits.ReadUInt32(out this.synchronizeOffset);
bits.ReadUInt32(out this.continuationMethodToken);
bits.ReadUInt32(out this.continuationOffset);
}
internal static PdbInfo LoadFunctions(Stream read)
{
PdbInfo pdbInfo = new PdbInfo();
pdbInfo.TokenToSourceMapping = new Dictionary <uint, PdbTokenLine>();
BitAccess bits = new BitAccess(64 * 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;
Dictionary <string, PdbSource> sourceCache = new Dictionary <string, PdbSource>();
dir.streams[1].Read(reader, bits);
Dictionary <string, int> nameIndex = LoadNameIndex(bits, out pdbInfo.Age, out pdbInfo.Guid);
int nameStream;
if (!nameIndex.TryGetValue("/NAMES", out nameStream))
{
throw new PdbException("Could not find the '/NAMES' stream: the PDB file may be a public symbol file instead of a private symbol file");
}
dir.streams[nameStream].Read(reader, bits);
IntHashTable names = LoadNameStream(bits);
int srcsrvStream;
if (!nameIndex.TryGetValue("SRCSRV", out srcsrvStream))
{
pdbInfo.SourceServerData = string.Empty;
}
else
{
DataStream dataStream = dir.streams[srcsrvStream];
byte[] bytes = new byte[dataStream.contentSize];
dataStream.Read(reader, bits);
pdbInfo.SourceServerData = bits.ReadBString(bytes.Length);
}
dir.streams[3].Read(reader, bits);
LoadDbiStream(bits, out modules, out header, true);
List <PdbFunction> funcList = new List <PdbFunction>();
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, pdbInfo.TokenToSourceMapping, sourceCache);
continue;
}
LoadFuncsFromDbiModule(bits, module, names, funcList, true, dir, nameIndex, reader, sourceCache);
}
}
}
PdbFunction[] funcs = funcList.ToArray();
// 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);
pdbInfo.Functions = funcs;
return(pdbInfo);
}
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 constantCount;
int scopeCount;
int slotCount;
int usedNamespacesCount;
CountScopesAndSlots(bits, proc.end, out constantCount, out scopeCount, out slotCount, out usedNamespacesCount);
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);
// internal byte[] rgl; // user data, force 4-byte alignment
if (oem.idOem == msilMetaData)
{
string name = bits.ReadString();
if (name == "MD2")
{
byte version;
bits.ReadUInt8(out version);
if (version == 4)
{
byte count;
bits.ReadUInt8(out count);
bits.Align(4);
while (count-- > 0)
{
this.ReadCustomMetadata(bits);
}
}
}
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 this.address);
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;
break;
}
}
}
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");
}
}
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;
}
}
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;
break;
}
}
}
return(funcs);
}
internal static PdbFunction[] LoadFunctions(Stream read, out Dictionary<uint, PdbTokenLine> tokenToSourceMapping, out string sourceServerData) {
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 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;
}
internal static uint[] LoadRemapTable(Stream read)
{
//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 PdbDebugException("No `name' stream");
}
dir.streams[nameStream].Read(reader, bits);
IntHashTable names = LoadNameStream(bits);
int srcsrvStream;
string sourceServerData;
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);
#if SKIP_THIS
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, ilreader);
}
}
}
PdbFunction[] funcs = (PdbFunction[])funcList.ToArray(typeof(PdbFunction));
#endif
// After reading the functions, apply the token remapping table if it exists.
if (header.snTokenRidMap != 0 && header.snTokenRidMap != 0xffff)
{
uint[] ridMap = new uint[dir.streams[header.snTokenRidMap].Length / 4];
dir.streams[header.snTokenRidMap].Read(reader, bits);
bits.ReadUInt32(ridMap);
return(ridMap);
}
return(null);
}
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];
}
}
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;
}
internal static PdbFunction[] LoadFunctions(Stream read, out Dictionary <uint, PdbTokenLine> tokenToSourceMapping, out string sourceServerData,
System.Compiler.Metadata.Reader ilreader)
{
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;
Dictionary <string, PdbSource> sourceCache = new Dictionary <string, PdbSource>();
dir.streams[1].Read(reader, bits);
Dictionary <string, int> nameIndex = LoadNameIndex(bits);
int nameStream;
if (!nameIndex.TryGetValue("/NAMES", out nameStream))
{
throw new NoNameStreamPdbException();
}
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, sourceCache);
continue;
}
LoadFuncsFromDbiModule(bits, module, names, funcList, true, dir, nameIndex, reader, ilreader, sourceCache);
}
}
}
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)
{
uint[] ridMap = new uint[dir.streams[header.snTokenRidMap].Length / 4];
dir.streams[header.snTokenRidMap].Read(reader, bits);
bits.ReadUInt32(ridMap);
foreach (PdbFunction func in funcs)
{
func.MapTokens(ridMap, ilreader);
}
}
else
{
foreach (PdbFunction func in funcs)
{
func.MapTokens(null, ilreader);
}
}
//
Array.Sort(funcs, PdbFunction.byAddressAndToken);
//Array.Sort(funcs, PdbFunction.byToken);
return(funcs);
}