void read_cie(DwarfBinaryReader reader) { long length = reader.ReadInitialLength (); long end_pos = reader.Position + length; int id = reader.ReadInt32 (); bool is_cie; if (frame.is_ehframe) is_cie = id == 0; else is_cie = id == -1; if (!is_cie) throw new InvalidOperationException (); int version = reader.ReadByte (); if (version != 1) throw new DwarfException ( reader.Bfd, "Unknown version {0} in CIE", version); string augmentation = reader.ReadString (); if (augmentation.StartsWith ("eh")) { reader.ReadAddress (); augmentation = augmentation.Substring (2); } code_alignment = reader.ReadLeb128 (); data_alignment = reader.ReadSLeb128 (); return_register = reader.ReadByte (); for (int pos = 0; pos < augmentation.Length; pos++) { if (augmentation [pos] == 'z') { reader.ReadLeb128 (); // has_z_augmentation = true; continue; } if (augmentation [pos] == 'L') continue; else if (augmentation [pos] == 'R') { encoding = reader.ReadByte (); continue; } else if (augmentation [pos] == 'P') { continue; } throw new DwarfException ( reader.Bfd, "Unknown augmentation `{0}' in CIE", augmentation[pos]); } columns = new Column [return_register + 2]; for (int i = 0; i < columns.Length; i++) columns [i] = new Column (State.Undefined); Entry entry = new Entry (this); entry.Read (reader, end_pos); reader.Position = end_pos; }