private int getIntegerLength() {
		ByteBuffer bb = ByteBuffer.wrap(enc_length);
		if (program.getMemory().isBigEndian()) {
			bb.order(ByteOrder.BIG_ENDIAN);
		}
		else {
			bb.order(ByteOrder.LITTLE_ENDIAN);
		}
		return bb.getInt();
	}
Creates a Common Information Entry (CIE) at <code>cieAddress</code>. 
<br>Note: This method must get called before any of the "get..." methods.

@param cieAddress the address where the CIE should be created.
@throws MemoryAccessException if memory for the CIE couldn't be read.
@throws ExceptionHandlerFrameException if some of the CIE information couldn't be created.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/exceptionhandlers/gcc/structures/ehFrame/Cie.java