1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
|
/* Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
ENTRY (__libc_pipe)
mov #+__NR_pipe, r3
trapa #0x10
mov r0, r3
mov #-12, r2
shad r2, r3
not r3, r3 // r1=0 means r0 = -1 to -4095
tst r3, r3 // i.e. error in linux
bt 1f
mov.l r0, @r4
mov.l r1, @(4, r4)
rts
mov #0, r0
1:
SYSCALL_ERROR_HANDLER
.Lpseudo_end:
rts
nop
PSEUDO_END (__libc_pipe)
weak_alias (__libc_pipe, __pipe)
libc_hidden_def (__pipe)
weak_alias (__libc_pipe, pipe)
|
