sizeof_ubyte
sizeof_ubyte(dbg) + /* address_size */
sizeof_ubyte(dbg) + /* segment_selector_size */
sizeof_ubyte(dbg) + /* min_instr length */
sizeof_ubyte(dbg) + /* maximum_operations_per_instruction */
sizeof_ubyte(dbg) + /* default is_stmt */
sizeof_ubyte(dbg) + /* linebase */
sizeof_ubyte(dbg) + /* linerange */
sizeof_ubyte(dbg); /* opcode base */
prolog_size += sizeof_ubyte(dbg);
sizeof_ubyte(dbg) + /* min_instr length */
sizeof_ubyte(dbg) + /* default is_stmt */
sizeof_ubyte(dbg) + /* linebase */
sizeof_ubyte(dbg) + /* linerange */
sizeof_ubyte(dbg); /* opcode base */
prolog_size += sizeof_ubyte(dbg);
calculated_size += sizeof_ubyte(dbg);