public static Map<Long, PrototypeModel> loadSyscallConventionMap(Program program) {
		return loadSyscallFunctionMap(program).entrySet()
				.stream()
				.collect(Collectors.toMap(Entry::getKey, e -> e.getValue().getCallingConvention()));
	}
Derive a syscall number to calling convention map by scraping functions in the program's
"syscall" space.

@param program the program whose "syscall" space to scrape
@return the map of syscall number to calling convention
Ghidra/Features/SystemEmulation/src/main/java/ghidra/pcode/emu/sys/EmuSyscallLibrary.java