private long readNextRelrEntry(BinaryReader reader) throws IOException {
		return entrySize == 8 ? reader.readNextLong() : reader.readNextUnsignedInt();
	}
Determine if required symbol table is missing.  If so, relocations may not be processed.
@return true if required symbol table is missing, else false
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/elf/ElfRelocationTable.java