public int getSymbolIndex() {
		return (int) (is32bit ? (r_info >> 8) : (r_info >> 32));
	}
Returns the symbol index where the relocation must be made.
A value of 0 is generally returned when no symbol is relavent
to the relocation.
@return the symbol index
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/elf/ElfRelocation.java