GDB's Offer Lots of commands Execution controlr,c,f,n,s,si,.. Breakpoints b,hb,wa,... ·Program state display`p,x,i,bt`,… Program state modification set,... Black magic -reverse debugging: ■`record,rc,rn,rsi, Suffices for anything GDB captures the entire "state transition"procedure of a processGDB’s Offer Lots of commands Execution control r, c, f, n, s, si ,… Breakpoints b, hb, wa , … Program state display p, x, i, bt , … Program state modification set , … Black magic - reverse debugging: record, rc, rn, rsi , … Suffices for anything GDB captures the entire “ state transition” procedure of a process ` ` ` ` ` ` ` ` ` `