mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 02:10:05 +00:00
43 lines
1.2 KiB
ArmAsm
43 lines
1.2 KiB
ArmAsm
/* Copyright (C) 1999-2015 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)
|