Inazuma.Mono.Cecil.PE.ImageWriter.BuildTextMap C# (CSharp) Method

		TextMap BuildTextMap ()
		{
			var map = metadata.text_map;

			map.AddMap (TextSegment.Code, metadata.code.length, !pe64 ? 4 : 16);
			map.AddMap (TextSegment.Resources, metadata.resources.length, 8);
			map.AddMap (TextSegment.Data, metadata.data.length, 4);
			if (metadata.data.length > 0)
				metadata.table_heap.FixupData (map.GetRVA (TextSegment.Data));
			map.AddMap (TextSegment.StrongNameSignature, GetStrongNameLength (), 4);

			map.AddMap (TextSegment.MetadataHeader, GetMetadataHeaderLength ());
			map.AddMap (TextSegment.TableHeap, metadata.table_heap.length, 4);
			map.AddMap (TextSegment.StringHeap, metadata.string_heap.length, 4);
			map.AddMap (TextSegment.UserStringHeap, metadata.user_string_heap.IsEmpty ? 0 : metadata.user_string_heap.length, 4);
			map.AddMap (TextSegment.GuidHeap, 16);
			map.AddMap (TextSegment.BlobHeap, metadata.blob_heap.IsEmpty ? 0 : metadata.blob_heap.length, 4);

			int debug_dir_len = 0;
			if (!debug_data.IsNullOrEmpty ()) {
				const int debug_dir_header_len = 28;

				debug_directory.AddressOfRawData = (int) map.GetNextRVA (TextSegment.BlobHeap) + debug_dir_header_len;
				debug_dir_len = debug_data.Length + debug_dir_header_len;
			}

			map.AddMap (TextSegment.DebugDirectory, debug_dir_len, 4);

			if (!has_reloc) {
				var start = map.GetNextRVA (TextSegment.DebugDirectory);
				map.AddMap (TextSegment.ImportDirectory, new Range (start, 0));
				map.AddMap (TextSegment.ImportHintNameTable, new Range (start, 0));
				map.AddMap (TextSegment.StartupStub, new Range (start, 0));
				return map;
			}

			RVA import_dir_rva = map.GetNextRVA (TextSegment.DebugDirectory);
			RVA import_hnt_rva = import_dir_rva + 48u;
			import_hnt_rva = (import_hnt_rva + 15u) & ~15u;
			uint import_dir_len = (import_hnt_rva - import_dir_rva) + 27u;

			RVA startup_stub_rva = import_dir_rva + import_dir_len;
			startup_stub_rva = module.Architecture == TargetArchitecture.IA64
				? (startup_stub_rva + 15u) & ~15u
				: 2 + ((startup_stub_rva + 3u) & ~3u);

			map.AddMap (TextSegment.ImportDirectory, new Range (import_dir_rva, import_dir_len));
			map.AddMap (TextSegment.ImportHintNameTable, new Range (import_hnt_rva, 0));
			map.AddMap (TextSegment.StartupStub, new Range (startup_stub_rva, GetStartupStubLength ()));

			return map;
		}