void read_dynamic_info(Inferior inferior) { if (has_dynlink_info) { if (!dyld_all_image_infos.IsNull) do_update_shlib_info (inferior); return; } TargetMemoryInfo info = Inferior.GetTargetMemoryInfo (AddressDomain.Global); Bfd dyld_image = new Bfd (this, info, "/usr/lib/dyld", TargetAddress.Null, true); dyld_all_image_infos = dyld_image.LookupSymbol("dyld_all_image_infos"); if (dyld_all_image_infos.IsNull) return; int size = 2 * inferior.TargetLongIntegerSize + 2 * inferior.TargetAddressSize; TargetReader reader = new TargetReader (inferior.ReadMemory (dyld_all_image_infos, size)); reader.ReadLongInteger (); // version reader.ReadLongInteger (); // infoArrayCount reader.ReadAddress (); // infoArray TargetAddress dyld_image_notifier = reader.ReadAddress (); has_dynlink_info = true; Instruction insn = inferior.Architecture.ReadInstruction (inferior, dyld_image_notifier); if ((insn == null) || !insn.CanInterpretInstruction) throw new InternalError ("Unknown dynlink breakpoint: {0}", dyld_image_notifier); dynlink_breakpoint = new DynlinkBreakpoint (this, insn); dynlink_breakpoint.Insert (inferior); do_update_shlib_info (inferior); check_loaded_library (inferior, main_bfd);
void read_dynamic_info(Inferior inferior) { if (has_dynlink_info) { if (!first_link_map.IsNull) do_update_shlib_info (inferior); return; } TargetAddress debug_base = main_bfd.ReadDynamicInfo (inferior); if (debug_base.IsNull) return; int size = 2 * inferior.TargetLongIntegerSize + 3 * inferior.TargetAddressSize; TargetReader reader = new TargetReader (inferior.ReadMemory (debug_base, size)); if (reader.ReadLongInteger () != 1) return; first_link_map = reader.ReadAddress (); dynlink_breakpoint_addr = reader.ReadAddress (); rdebug_state_addr = debug_base + reader.Offset; if (reader.ReadLongInteger () != 0) return; has_dynlink_info = true; Instruction insn = inferior.Architecture.ReadInstruction (inferior, dynlink_breakpoint_addr); if ((insn == null) || !insn.CanInterpretInstruction) throw new InternalError ("Unknown dynlink breakpoint: {0}", dynlink_breakpoint_addr); dynlink_breakpoint = new DynlinkBreakpoint (this, insn); dynlink_breakpoint.Insert (inferior); do_update_shlib_info (inferior); check_loaded_library (inferior, main_bfd); }
void do_update_shlib_info(Inferior inferior) { // if (Process.MonoRuntimeFound) // return; if (!dyld_all_image_infos.IsNull) { int size = 2 * inferior.TargetLongIntegerSize + 2 * inferior.TargetAddressSize; TargetReader reader = new TargetReader (inferior.ReadMemory (dyld_all_image_infos, size)); reader.ReadLongInteger (); // version int infoArrayCount = (int)reader.ReadLongInteger (); TargetAddress infoArray = reader.ReadAddress (); size = infoArrayCount * (inferior.TargetLongIntegerSize + 2 * inferior.TargetAddressSize); reader = new TargetReader (inferior.ReadMemory (infoArray, size)); Console.Write("Loading symbols for shared libraries:"); for (int i=0; i<infoArrayCount; i++) { TargetAddress imageLoadAddress = reader.ReadAddress(); TargetAddress imageFilePath = reader.ReadAddress(); reader.ReadLongInteger(); //imageFileModDate string name = inferior.ReadString (imageFilePath); if (name == null) continue; if (bfd_hash.Contains (name)) continue; try { Console.Write("."); AddExecutableFile (inferior, name, imageLoadAddress/*TargetAddress.Null*/, false, true); } catch (SymbolTableException e) { Console.WriteLine("Unable to load binary for "+name); bfd_hash.Add (name, null); } } Console.WriteLine(""); } }
void do_update_shlib_info(Inferior inferior) { bool first = true; TargetAddress map = first_link_map; while (!map.IsNull) { int the_size = 4 * inferior.TargetAddressSize; TargetReader map_reader = new TargetReader (inferior.ReadMemory (map, the_size)); TargetAddress l_addr = map_reader.ReadAddress (); TargetAddress l_name = map_reader.ReadAddress (); map_reader.ReadAddress (); string name; try { name = inferior.ReadString (l_name); // glibc 2.3.x uses the empty string for the virtual // "linux-gate.so.1". if ((name != null) && (name == "")) name = null; } catch { name = null; } map = map_reader.ReadAddress (); if (first) { first = false; continue; } if (name == null) continue; if (bfd_hash.Contains (name)) continue; bool step_into = Process.ProcessStart.LoadNativeSymbolTable; AddExecutableFile (inferior, name, l_addr, step_into, true); } }