Section .text global main extern printf extern scanf extern exit %macro PRINTF_STRING 1

Question

Section .text global main extern printf extern scanf extern exit %macro PRINTF_STRING 1

mov rdi, %1
xor rsi, rsi
xor rax, rax
call printf
%endmacro

%macro PRINTF_SYMB 2
mov rdi, %1
mov rsi, %2
xor rax, rax
call printf
%endmacro

%macro GET_REAL_NUMB 1
mov rdi, real_numb_format
mov rsi, %1
xor rax, rax
call scanf
%endmacro

main:
mov rbp, rsp; for correct debugging
push rbp

mov rdi, real_numb_format
mov rsi, a
xor rax, rax
call scanf

pop rbp
ret

section .data
welcome_msg db "This program is available to solve the equations like ax^2 + bx + c = 0.", 0xA
db "Variables 'a', 'b' and 'c' contain real numbers.", 0xA
db "Enter their values and get the answer.", 0xA,0
enter_coeff_msg db "Enter '%c' value: ", 0xA, 0
real_numb_format db "%lf", 0

section .bss
a resq 1
;b dq ?
;c dq ?