public PdbFileHeader(Stream reader, BitAccess bits) { bits.MinCapacity(56); reader.Seek(0, SeekOrigin.Begin); bits.FillBuffer(reader, 56); 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 bits.ReadInt32(out this.directoryRoot); // 52..55 }
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"); } }