private Address findMemoryRegister(ElfSymbol elfSymbol) {
		String name = elfSymbol.getNameAsString();
		if (StringUtils.isBlank(name)) {
			return null;
		}
		Address regAddr = getMemoryRegister(name, elfSymbol.getValue());
		if (regAddr == null) {
			name = StringUtils.stripStart(name, "_");
			name = StringUtils.stripEnd(name, "_");
			regAddr = getMemoryRegister(name, elfSymbol.getValue());
		}
		return regAddr;
	}
Find memory register with matching name (ignoring leading and trailing underscore chars).
@param elfSymbol ELF symbol
@return register address if found or null
Ghidra/Features/Base/src/main/java/ghidra/app/util/opinion/ElfProgramBuilder.java