context.arch = 'amd64'
binary = ELF("./be-quick-or-be-dead-2")
#written based on fib_iterative.txt
instructions = """
test edi, edi
jle l1
xor edx, edx
mov esi, 0x1
xor ecx, ecx
jmp l2
nop
l3: mov ecx, eax
l2: add edx, 0x1
lea eax, [rcx+rsi*1]
mov esi, ecx
cmp edi, edx
jne l3
ret
nop
l1: xor eax, eax
ret
"""
binary.asm(binary.functions["fib"].address, instructions)
fname = "be-quick-or-be-dead-2_patched"
binary.save(fname)
print(f"saved '{fname}'")
