@Override
		public DWARFAttributeValue readValue(DWARFFormContext context) throws IOException {
			int length = context.reader().readNextUnsignedVarIntExact(LEB128::unsigned);
			if (length < 0 || length > MAX_BLOCK4_SIZE) {
				throw new IOException("Invalid/bad dw_form_block size: " + length);
			}
			return new DWARFBlobAttribute(context.reader().readNextByteArray(length),
				context.def());
		}
DWARF attribute encodings.
<p>
Unknown encodings will prevent deserialization of DIE records.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/attribs/DWARFForm.java