fork download

format ELF64
public _start
 
 
section '.bss' writable
    bss_char rb 1
 
section '.text' executable
_start:
    mov rax, 571
    call print_number
;    call print_line
    call exit  
 
;         rax | rdx
; 571/10 = 57 | 1
; 57/10 5 | 7
; 5/10 = 0 | 5
;
 
section '.print_number' executable
; | input
; rax => number
print_number:
    push rax
    push rbx
    push rcx
    push rdx
    xor rcx, rcx
    .next_iter:
        cmp rax, 0
        je .print_iter
        mov rbx, 10
        xor rdx, rdx
        div rbx     ; rax/rbx
        add rdx, '0' ; результат деления занесён в rdx и к нему прибавляем символ '0'
        push rdx
        inc rcx
        jmp .next_iter
   .print_iter:
        cmp rcx, 0
        je .close
        pop rax
        call print_char
        dec rcx
        jmp .print_iter
    .close:
        pop rdx
        pop rcx
        pop rbx
        pop rax
        ret
 
section '.print_char' executable
    print_char:
    push rax
    push rbx
    push rcx
    push rdx
; rax = 32|eax = 16|ax = ah|al
    mov [bss_char], al
    mov rax, 4
    mov rbx, 1
    mov rcx, bss_char
    mov rdx, 1
    int 0x80 ; это команда для 32-хбитной арх-ры,но подходит и для 64-х
    pop rdx
    pop rbx
    pop rcx
    pop rax    
    ret
 
section '.print_line' executable
print_line:
    push rax
    mov rax, 0xA
    call print_char
    pop rax
    ret
 
section '.exit' executable
exit:
    mov rax, 1
    xor rbx, rbx
    int 0x80

prog.asm:1: error: parser: instruction expected
prog.asm:2: error: parser: instruction expected
prog.asm:5: warning: Unknown section attribute 'writable' ignored on declaration of section `'.bss''
prog.asm:6: error: parser: instruction expected
prog.asm:8: warning: Unknown section attribute 'executable' ignored on declaration of section `'.text''
prog.asm:21: warning: Unknown section attribute 'executable' ignored on declaration of section `'.print_number''
prog.asm:54: warning: Unknown section attribute 'executable' ignored on declaration of section `'.print_char''
prog.asm:73: warning: Unknown section attribute 'executable' ignored on declaration of section `'.print_line''
prog.asm:81: warning: Unknown section attribute 'executable' ignored on declaration of section `'.exit''
ld: cannot find prog.o: No such file or directory

Standard output is empty