internal MsfDirectory(PdbStreamHelper 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 MsfDirectory(PdbStreamHelper 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]));
}
}
}
/// <summary>
/// Gets the properties of a given pdb. Throws IOException on error.
/// </summary>
/// <param name="pdbFile">The pdb file to load.</param>
/// <param name="signature">The signature of pdbFile.</param>
/// <param name="age">The age of pdbFile.</param>
public static void GetPdbProperties(string pdbFile, out Guid signature, out int age)
{
BitAccess bits = new BitAccess(512 * 1024);
using (FileStream pdbStream = File.OpenRead(pdbFile))
{
PdbFileHeader header = new PdbFileHeader(pdbStream, bits);
PdbStreamHelper reader = new PdbStreamHelper(pdbStream, header.PageSize);
MsfDirectory dir = new MsfDirectory(reader, header, bits);
dir._streams[1].Read(reader, bits);
int ver, sig;
bits.ReadInt32(out ver); // 0..3 Version
bits.ReadInt32(out sig); // 4..7 Signature
bits.ReadInt32(out age); // 8..11 Age
bits.ReadGuid(out signature); // 12..27 GUID
}
}
/// <summary>
/// Gets the properties of a given pdb. Throws IOException on error.
/// </summary>
/// <param name="pdbFile">The pdb file to load.</param>
/// <param name="signature">The signature of pdbFile.</param>
/// <param name="age">The age of pdbFile.</param>
public static void GetPdbProperties(string pdbFile, out Guid signature, out int age)
{
BitAccess bits = new BitAccess(512 * 1024);
using (FileStream pdbStream = File.OpenRead(pdbFile))
{
PdbFileHeader header = new PdbFileHeader(pdbStream, bits);
PdbStreamHelper reader = new PdbStreamHelper(pdbStream, header.PageSize);
MsfDirectory dir = new MsfDirectory(reader, header, bits);
dir._streams[1].Read(reader, bits);
int ver, sig;
bits.ReadInt32(out ver); // 0..3 Version
bits.ReadInt32(out sig); // 4..7 Signature
bits.ReadInt32(out age); // 8..11 Age
bits.ReadGuid(out signature); // 12..27 GUID
}
}
internal static PdbFunction[] LoadFunctions(
Stream read,
BitAccess bits,
bool readAllStrings,
out int ver,
out int sig,
out int age,
out Guid guid,
out IEnumerable <PdbSource> sources)
{
sources = null;
PdbFileHeader head = new PdbFileHeader(read, bits);
PdbStreamHelper reader = new PdbStreamHelper(read, head.PageSize);
MsfDirectory dir = new MsfDirectory(reader, head, bits);
DbiModuleInfo[] modules = null;
DbiDbgHdr header;
dir._streams[1].Read(reader, bits);
Dictionary <string, int> nameIndex = LoadNameIndex(bits, out ver, out sig, out age, out guid);
int nameStream;
if (!nameIndex.TryGetValue("/NAMES", out nameStream))
{
throw new PdbException("No `name' stream");
}
dir._streams[nameStream].Read(reader, bits);
Dictionary <int, string> names = LoadNameStream(bits);
dir._streams[3].Read(reader, bits);
LoadDbiStream(bits, out modules, out header, readAllStrings);
List <PdbFunction> funcList = new List <PdbFunction>();
Dictionary <string, PdbSource> sourceDictionary = new Dictionary <string, PdbSource>();
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,
sourceDictionary);
}
}
}
PdbFunction[] funcs = funcList.ToArray();
sources = sourceDictionary.Values;
// 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 PdbFunction[] LoadFunctions(Stream read,
BitAccess bits,
bool readAllStrings,
out int ver,
out int sig,
out int age,
out Guid guid,
out IEnumerable<PdbSource> sources)
{
sources = null;
PdbFileHeader head = new PdbFileHeader(read, bits);
PdbStreamHelper reader = new PdbStreamHelper(read, head.PageSize);
MsfDirectory dir = new MsfDirectory(reader, head, bits);
DbiModuleInfo[] modules = null;
DbiDbgHdr header;
dir._streams[1].Read(reader, bits);
Dictionary<string, int> nameIndex = LoadNameIndex(bits, out ver, out sig, out age, out guid);
int nameStream;
if (!nameIndex.TryGetValue("/NAMES", out nameStream))
{
throw new PdbException("No `name' stream");
}
dir._streams[nameStream].Read(reader, bits);
Dictionary<int, string> names = LoadNameStream(bits);
dir._streams[3].Read(reader, bits);
LoadDbiStream(bits, out modules, out header, readAllStrings);
List<PdbFunction> funcList = new List<PdbFunction>();
Dictionary<string, PdbSource> sourceDictionary = new Dictionary<string, PdbSource>();
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, sourceDictionary);
}
}
}
PdbFunction[] funcs = funcList.ToArray();
sources = sourceDictionary.Values;
// 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;
}