public int getStackDepthChange() {
		int value = functionRecord.getIntValue(OldFunctionDBAdapter.STACK_DEPTH_COL);
		return value;
	}
@see ghidra.program.model.listing.Function#getStackPurgeSize()
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/oldfunction/OldFunctionDataDB.java