plibc/x86_64/utils.s

.text
.globl abort
.type abort, @function

abort:
    xor %rdi, %rdi
    mov $6, %rsi
    call kill
    mov $1, %rdi
    call exit
    ret

.section .note.GNU-stack,"",@progbits
1	.text
2	.globl abort
3	.type abort, @function
4
5	abort:
6	xor %rdi, %rdi
7	mov $6, %rsi
8	call kill
9	mov $1, %rdi
10	call exit
11	ret
12
13	.section .note.GNU-stack,"",@progbits