How Recursion Works in Assembly | Machine Code | Programming Fundamentals скачать в хорошем качестве

How Recursion Works in Assembly | Machine Code | Programming Fundamentals

Emulator link: https://app.x64.halb.it/ How to read/write Hex:    • Why is Hexadecimal Used So Much? | Program...   How stack allocations work:    • How Assembly Functions Work - The Stack Ex...   (Code below chapters!) 00:00 Recursion in Assembly 00:56 How the stack works 04:38 Start of recursion call 09:08 The collapse of the stack (end of recursion) 14:20 How long until a stack overflow occurs? 15:38 What would cause a stack overflow here? 16:00 How to output to console in Assembly 21:05 Using an emulator to run Assembly code ** CODE BELOW ** I will set up a repository soon! ================= format ELF64 executable 3 segment readable executable entry _main mov rbp, rsp _main: mov rbp, rsp mov rdi, 3 call _countdown xor rdi, rdi call _exit _countdown: push rbp mov rbp, rsp push rdi mov rax, rdi add rax, 48 sub rsp, 8 mov rdi, 1 mov [rbp-16], eax lea rsi, [rbp-16] mov rdx, 1 mov rax, 1 syscall add rsp, 8 pop rdi cmp rdi, 0 je _end__recursion dec rdi call _countdown _end__recursion: pop rbp ret _exit: mov rax, 60 syscall ================= ** C code below ** int main() { countdown(3); return 0; } void countdown (int arg) { char digit = (arg + '0'); write(1, &digit, 1); // printf("%c", digit); if(arg == 0) return; arg = arg - 1; countdown(arg); return; // I hope the teacher allows me to change the 'F'! }