コード例 #1
0
ファイル: PdbFile.cs プロジェクト: modulexcite/IL2JS
    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;
      }
    }
コード例 #2
0
ファイル: PdbFile.cs プロジェクト: RUB-SysSec/Probfuscator
    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;
      }
    }