added the last popped frame and added some info to the frame class
added the last popped frame and added some info to the frame class

avain/angr,GuardianRG/angr,xurantju/angr,mingderwang/angr,cureHsu/angr,avain/angr,tyb0807/angr,GuardianRG/angr,tyb0807/angr,lowks/angr,schieb/angr,axt/angr,iamahuman/angr,iamahuman/angr,chubbymaggie/angr,f-prettyland/angr,zhuyue1314/angr,xurantju/angr,fjferrer/angr,axt/angr,schieb/angr,angr/angr,angr/angr,axt/angr,f-prettyland/angr,terry2012/angr,cureHsu/angr,lowks/angr,chubbymaggie/angr,zhuyue1314/angr,schieb/angr,angr/angr,f-prettyland/angr,fjferrer/angr,tyb0807/angr,mingderwang/angr,terry2012/angr,chubbymaggie/angr,haylesr/angr,haylesr/angr,iamahuman/angr