the output format of the floorplan depends on the tool used to do the floorplan , but .def is the design exchange format accepted by all the tools, and using all the tools we can dump out the .def file,
it contations the physical location of the pins, macros which are used in the design
After
STA : you'll generate sdf file
DFT : Netlist and PDEF
PNR : GDSII
DRC : run on gds and creates summary file (DRC.sum)
and LVS : generates report file (lvs.rep)