21 lines
368 B
ArmAsm
21 lines
368 B
ArmAsm
|
.sect .text
|
||
|
|
.define _mmap
|
||
|
|
_mmap:
|
||
|
|
! ack passes 4-byte off_t, but system call takes 8-byte off_t
|
||
|
|
mov eax, esp
|
||
|
|
push 0 ! offset (high long)
|
||
|
|
push 24(eax) ! offset (low long)
|
||
|
|
push 20(eax) ! fd
|
||
|
|
push 16(eax) ! flags
|
||
|
|
push 12(eax) ! protection
|
||
|
|
push 8(eax) ! length
|
||
|
|
push 4(eax) ! address
|
||
|
|
call 1f
|
||
|
|
add esp, 28
|
||
|
|
ret
|
||
|
|
1:
|
||
|
|
mov eax, 197
|
||
|
|
int 0x80
|
||
|
|
jb .set_errno
|
||
|
|
ret
|