CHAPTER 23. POINTERS TO FUNCTIONS CHAPTER 23. POINTERS TO FUNCTIONS
0x08048472 <+37>: jmp 0x804848e <comp+65>
0x08048474 <+39>: mov eax,DWORD PTR [ebp-0x8]
0x08048477 <+42>: mov edx,DWORD PTR [eax]
0x08048479 <+44>: mov eax,DWORD PTR [ebp-0x4]
0x0804847c <+47>: mov eax,DWORD PTR [eax]
0x0804847e <+49>: cmp edx,eax
0x08048480 <+51>: jge 0x8048489 <comp+60>
0x08048482 <+53>: mov eax,0xffffffff
0x08048487 <+58>: jmp 0x804848e <comp+65>
0x08048489 <+60>: mov eax,0x1
0x0804848e <+65>: leave
0x0804848f <+66>: ret
End of assembler dump.
(gdb) b *0x08048469
Breakpoint 1 at 0x8048469
(gdb) run
Starting program: /home/dennis/polygon/./a.out
Breakpoint 1, 0x08048469 in comp ()
(gdb) info registers
eax 0x2d 45
ecx 0xbffff0f8 -1073745672
edx 0x764 1892
ebx 0xb7fc0000 -1208221696
esp 0xbfffeeb8 0xbfffeeb8
ebp 0xbfffeec8 0xbfffeec8
esi 0xbffff0fc -1073745668
edi 0xbffff010 -1073745904
eip 0x8048469 0x8048469 <comp+28>
eflags 0x286 [ PF SF IF ]
cs 0x73 115
ss 0x7b 123
ds 0x7b 123
es 0x7b 123
fs 0x0 0
gs 0x33 51
(gdb) c
Continuing.
Breakpoint 1, 0x08048469 in comp ()
(gdb) info registers
eax 0xff7 4087
ecx 0xbffff104 -1073745660
edx 0xffffff9e -98
ebx 0xb7fc0000 -1208221696
esp 0xbfffee58 0xbfffee58
ebp 0xbfffee68 0xbfffee68
esi 0xbffff108 -1073745656
edi 0xbffff010 -1073745904
eip 0x8048469 0x8048469 <comp+28>
eflags 0x282 [ SF IF ]
cs 0x73 115
ss 0x7b 123
ds 0x7b 123
es 0x7b 123
fs 0x0 0
gs 0x33 51
(gdb) c
Continuing.
Breakpoint 1, 0x08048469 in comp ()
(gdb) info registers
eax 0xffffff9e -98
ecx 0xbffff100 -1073745664
edx 0xc8 200
ebx 0xb7fc0000 -1208221696
esp 0xbfffeeb8 0xbfffeeb8
ebp 0xbfffeec8 0xbfffeec8
esi 0xbffff104 -1073745660
edi 0xbffff010 -1073745904