plibc/x86_64/syscalls.s

.text

.globl sys_write
.type sys_write, @function

sys_write:
    mov $1, %rax
    syscall
    ret

.globl sys_exit
.type sys_exit, @function
sys_exit:
    mov $60, %rax
    syscall
    ret

.globl sys_sbrk
.type sys_sbrk, @function
sys_sbrk:
    mov $12, %rax
    syscall
    ret

.globl sys_brk
.type sys_brk, @function
sys_brk:
    mov $0, %rdi
    call sbrk
    ret

.globl sys_mmap
.type sys_mmap, @function

sys_mmap:
    mov $9, %rax
    syscall
    ret

.globl sys_munmap
.type sys_munmap, @function

sys_munmap:
    mov $11, %rax
    syscall
    ret

.globl sys_sysinfo
.type sys_sysinfo, @function

sys_sysinfo:
    mov $99, %rax
    syscall
    ret

.global sys_kill
.type sys_kill, @function

sys_kill:
    mov $62, %rax
    syscall
    ret

.globl sys_open
.type sys_open, @function

sys_open:
    mov $2, %rax
    syscall
    ret

.globl sys_close
.type sys_close, @function

sys_close:
    mov $3, %rax
    syscall
    ret

.section .note.GNU-stack,"",@progbits
1	.text
2
3	.globl sys_write
4	.type sys_write, @function
5
6	sys_write:
7	mov $1, %rax
8	syscall
9	ret
10
11	.globl sys_exit
12	.type sys_exit, @function
13	sys_exit:
14	mov $60, %rax
15	syscall
16	ret
17
18	.globl sys_sbrk
19	.type sys_sbrk, @function
20	sys_sbrk:
21	mov $12, %rax
22	syscall
23	ret
24
25	.globl sys_brk
26	.type sys_brk, @function
27	sys_brk:
28	mov $0, %rdi
29	call sbrk
30	ret
31
32	.globl sys_mmap
33	.type sys_mmap, @function
34
35	sys_mmap:
36	mov $9, %rax
37	syscall
38	ret
39
40	.globl sys_munmap
41	.type sys_munmap, @function
42
43	sys_munmap:
44	mov $11, %rax
45	syscall
46	ret
47
48	.globl sys_sysinfo
49	.type sys_sysinfo, @function
50
51	sys_sysinfo:
52	mov $99, %rax
53	syscall
54	ret
55
56	.global sys_kill
57	.type sys_kill, @function
58
59	sys_kill:
60	mov $62, %rax
61	syscall
62	ret
63
64	.globl sys_open
65	.type sys_open, @function
66
67	sys_open:
68	mov $2, %rax
69	syscall
70	ret
71
72	.globl sys_close
73	.type sys_close, @function
74
75	sys_close:
76	mov $3, %rax
77	syscall
78	ret
79
80	.section .note.GNU-stack,"",@progbits