void ReadFunctions(DataReader reader)
{
if (reader.ReadUInt32() != 4)
{
throw new PdbException("Invalid signature");
}
while (reader.Position < reader.Length)
{
var size = reader.ReadUInt16();
var begin = reader.Position;
var end = begin + size;
var type = (SymbolType)reader.ReadUInt16();
switch (type)
{
case SymbolType.S_GMANPROC:
case SymbolType.S_LMANPROC:
var func = new DbiFunction();
func.Read(ref reader, end);
Functions.Add(func);
break;
default:
reader.Position = end;
break;
}
}
}
void ReadFunctions(IImageStream stream)
{
if (stream.ReadUInt32() != 4)
{
throw new PdbException("Invalid signature");
}
while (stream.Position < stream.Length)
{
var size = stream.ReadUInt16();
var begin = stream.Position;
var end = begin + size;
var type = (SymbolType)stream.ReadUInt16();
switch (type)
{
case SymbolType.S_GMANPROC:
case SymbolType.S_LMANPROC:
var func = new DbiFunction();
func.Read(stream, end);
Functions.Add(func);
break;
default:
stream.Position = end;
break;
}
}
}
internal void GetCustomDebugInfos(DbiFunction symMethod, MethodDef method, CilBody body, IList <PdbCustomDebugInfo> result)
{
const string CDI_NAME = "MD2";
var asyncMethod = PseudoCustomDebugInfoFactory.TryCreateAsyncMethod(method.Module, method, body, symMethod.AsyncKickoffMethod, symMethod.AsyncStepInfos, symMethod.AsyncCatchHandlerILOffset);
if (asyncMethod != null)
{
result.Add(asyncMethod);
}
var cdiData = symMethod.Root.GetSymAttribute(CDI_NAME);
if (cdiData == null)
{
return;
}
PdbCustomDebugInfoReader.Read(method, body, result, cdiData);
}
void ReadLines(PdbReader pdbReader, DataReader reader)
{
var docs = new Dictionary <uint, DbiDocument>();
reader.Position = 0;
while (reader.Position < reader.Length)
{
var sig = (ModuleStreamType)reader.ReadUInt32();
var size = reader.ReadUInt32();
var begin = reader.Position;
var end = (begin + size + 3) & ~3U;
if (sig == ModuleStreamType.FileInfo)
{
ReadFiles(pdbReader, docs, ref reader, end);
}
reader.Position = end;
}
var sortedFuncs = new DbiFunction[Functions.Count];
Functions.CopyTo(sortedFuncs, 0);
Array.Sort(sortedFuncs, (a, b) => a.Address.CompareTo(b.Address));
reader.Position = 0;
while (reader.Position < reader.Length)
{
var sig = (ModuleStreamType)reader.ReadUInt32();
var size = reader.ReadUInt32();
var begin = reader.Position;
var end = begin + size;
if (sig == ModuleStreamType.Lines)
{
ReadLines(sortedFuncs, docs, ref reader, end);
}
reader.Position = end;
}
}
void ReadLines(PdbReader reader, IImageStream stream)
{
var docs = new Dictionary <long, DbiDocument>();
stream.Position = 0;
while (stream.Position < stream.Length)
{
var sig = (ModuleStreamType)stream.ReadUInt32();
var size = stream.ReadUInt32();
var begin = stream.Position;
var end = (begin + size + 3) & ~3;
if (sig == ModuleStreamType.FileInfo)
{
ReadFiles(reader, docs, stream, end);
}
stream.Position = end;
}
var sortedFuncs = new DbiFunction[Functions.Count];
Functions.CopyTo(sortedFuncs, 0);
Array.Sort(sortedFuncs, (a, b) => a.Address.CompareTo(b.Address));
stream.Position = 0;
while (stream.Position < stream.Length)
{
var sig = (ModuleStreamType)stream.ReadUInt32();
var size = stream.ReadUInt32();
var begin = stream.Position;
var end = begin + size;
if (sig == ModuleStreamType.Lines)
{
ReadLines(sortedFuncs, docs, stream, end);
}
stream.Position = end;
}
}
void ReadFunctions(IImageStream stream) {
if (stream.ReadUInt32() != 4)
throw new PdbException("Invalid signature");
while (stream.Position < stream.Length) {
var size = stream.ReadUInt16();
var begin = stream.Position;
var end = begin + size;
var type = (SymbolType)stream.ReadUInt16();
switch (type) {
case SymbolType.S_GMANPROC:
case SymbolType.S_LMANPROC:
var func = new DbiFunction();
func.Read(stream, end);
Functions.Add(func);
break;
default:
stream.Position = end;
break;
}
}
}
void ReadLines(DbiFunction[] funcs, Dictionary<long, DbiDocument> documents, IImageStream stream, long end)
{
var address = PdbAddress.ReadAddress(stream);
int first = 0;
int last = funcs.Length - 1;
int found = -1;
while (first <= last) {
var index = first + ((last - first) >> 1);
var addr = funcs[index].Address;
if (addr < address) {
first = index + 1;
}
else if (addr > address) {
last = index - 1;
}
else {
found = index;
break;
}
}
if (found == -1)
return;
var flags = stream.ReadUInt16();
stream.Position += 4;
if (funcs[found].Lines == null) {
while (found > 0) {
var prevFunc = funcs[found - 1];
if (prevFunc != null || prevFunc.Address != address)
break;
found--;
}
}
else {
while (found < funcs.Length - 1 && funcs[found] != null) {
var nextFunc = funcs[found + 1];
if (nextFunc.Address != address)
break;
found++;
}
}
var func = funcs[found];
if (func.Lines != null)
return;
func.Lines = new List<DbiSourceLine>();
while (stream.Position < end) {
var document = documents[stream.ReadUInt32()];
var count = stream.ReadUInt32();
stream.Position += 4;
const int LINE_ENTRY_SIZE = 8;
const int COL_ENTRY_SIZE = 4;
var lineTablePos = stream.Position;
var colTablePos = stream.Position + count * LINE_ENTRY_SIZE;
for (uint i = 0; i < count; i++) {
stream.Position = lineTablePos + i * LINE_ENTRY_SIZE;
var line = new DbiSourceLine {
Document = document
};
line.Offset = stream.ReadUInt32();
var lineFlags = stream.ReadUInt32();
line.LineBegin = lineFlags & 0x00ffffff;
line.LineEnd = line.LineBegin + ((lineFlags >> 24) & 0x7F);
if ((flags & 1) != 0) {
stream.Position = colTablePos + i * COL_ENTRY_SIZE;
line.ColumnBegin = stream.ReadUInt16();
line.ColumnEnd = stream.ReadUInt16();
}
func.Lines.Add(line);
}
}
}
void ReadLines(PdbReader reader, IImageStream stream)
{
var docs = new Dictionary<long, DbiDocument>();
stream.Position = 0;
while (stream.Position < stream.Length) {
var sig = (ModuleStreamType)stream.ReadUInt32();
var size = stream.ReadUInt32();
var begin = stream.Position;
var end = (begin + size + 3) & ~3;
if (sig == ModuleStreamType.FileInfo)
ReadFiles(reader, docs, stream, end);
stream.Position = end;
}
var sortedFuncs = new DbiFunction[Functions.Count];
Functions.CopyTo(sortedFuncs, 0);
Array.Sort(sortedFuncs, (a, b) => a.Address.CompareTo(b.Address));
stream.Position = 0;
while (stream.Position < stream.Length) {
var sig = (ModuleStreamType)stream.ReadUInt32();
var size = stream.ReadUInt32();
var begin = stream.Position;
var end = begin + size;
if (sig == ModuleStreamType.Lines)
ReadLines(sortedFuncs, docs, stream, end);
stream.Position = end;
}
}
