rev/gdb_baby_step_4

rev/gdb_baby_step_4/gdbinit

@@ -0,0 +1,24 @@
+set pagination off
+
+disassemble main
+
+# Before function
+break *main+36
+
+# After function
+break *main+43
+
+run
+
+set $eax_before = $eax
+continue
+set $eax_after = $eax
+
+set $eax_diff = $eax_after / $eax_before
+
+printf "eax before: 0x%x\n", $eax_before
+printf "eax after: 0x%x\n", $eax_after
+printf "picoCTF{%d}\n", $eax_diff
+
+continue
+exit

rev/gdb_baby_step_4/solve.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+
+gdb --command=gdbinit ./debugger0_d