Part 3/5:
Dissecting the ARM Assembly
We begin by examining the assembly code, which is derived from a C program. The code is written in 64-bit ARM assembly, and we can see the data and code sections, as well as the main function.
The key to solving this challenge lies in understanding how the program handles command-line arguments. In ARM assembly, the argv
array is accessed, and the atoi
function is used to convert the string arguments to integers.
Unraveling the Logic
The Funk1
function is where the real magic happens. By carefully analyzing the assembly instructions, we can determine that this function is essentially a max
function, returning the larger of the two input values.