public UseropEmuSyscallDefinition<T> newBoundSyscall(PcodeUseropDefinition<T> opdef,
			PrototypeModel convention) {
		return new UseropEmuSyscallDefinition<>(opdef, program, convention, dtMachineWord);
	}
Export a userop as a system call

@param opdef the userop
@return the syscall definition
Ghidra/Features/SystemEmulation/src/main/java/ghidra/pcode/emu/sys/AnnotatedEmuSyscallUseropLibrary.java