In the Vivado: Designing with System Generator Reference Guide (UG958), dated October 2, 2013, Chapter 4 contains a list of System Generator Utilities.
Are these all supported in Vivado System Generator?
No, not all of these are supported in Vivado System Generator, some are included in error when porting documentation from ISE System Generator.
The ones that are not supported are as follows:
Please refrain from using these with Vivado System Generator. The reference guide (UG958) will be updated for 2013.4.