@Override
		public long doDecode(DwarfDecodeContext context) throws MemoryAccessException {
			throw new MemoryAccessException(
				"Don't know now to decode DW_EH_PE_signed-encoded values");
		}
Get the appropriate decoder for the given 8-bit mode; mode is parsed into
decode format, application mode, and indirection flag.
@see #createDecoder(DwarfEHDataDecodeFormat, DwarfEHDataApplicationMode, boolean)
@param mode a byte that indicates an encoding
@return the decoder for the indicated mode of encoding
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/exceptionhandlers/gcc/DwarfDecoderFactory.java