BUT2/DEV/DEV1.1/TP_OrganisationCode/exo1/lire.s
2023-10-23 13:23:36 +02:00

31 lines
799 B
ArmAsm

.section .text
.globl lire
.type lire, @function
lire:
.LFB0:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
xorq %rdx, %rdx
movl %esi, %edx # taille max
movq %rdi, %rsi # adresse chaine
movq $0, %rax # read
movq $0, %rdi # stdin
decq %rdx # place du \0
syscall # call read
cmpb $10, -1(%rsi, %rax, 1) # si \n
jne lire_1
decq %rax
lire_1: movb $0, (%rsi, %rax, 1) # place \0
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE0:
.size lire, .-lire