DBsingle
DBsub
DBtrace
-allgvs
ampergv
argvgv
argvoutgv
cddir
chopset
copline
-curblock
curcop
curcopdb
-curcsv
curpm
curstack
curstash
curstname
-cxstack
-cxstack_ix
-cxstack_max
dbargs
debdelim
debname
errgv
eval_root
eval_start
+exitlist
+exitlistlen
fdpid
filemode
firstgv
incgv
initav
inplace
+sys_intern
last_in_gv
lastfd
-lastretstr
lastscream
lastsize
lastspbase
minus_l
minus_n
minus_p
+modglobal
multiline
mystrk
nrs
screamnext
secondgv
siggv
-signalstack
sortcop
-sortstack
sortstash
splitstr
start_env
sv_arenaroot
tainted
tainting
+threadnum
thrsv
tmps_floor
tmps_ix