glibc/sysdeps/unix/sysv/linux/sh/pipe.S
Ulrich Drepper bbd1745596 Update.
2003-01-05  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	* sysdeps/unix/sysv/linux/sh/clone.S (__clone): Use
	SYSCALL_ERROR_HANDLER.
	* sysdeps/unix/sysv/linux/sh/pipe.S (__libc_pipe): Likewise.
	* sysdeps/unix/sysv/linux/sh/socket.S (__socket): Likewise.
	Add support for cancellation handling.
	* sysdeps/unix/sysv/linux/sh/syscall.S (__syscall): Use
	SYSCALL_ERROR_HANDLER.
	* sysdeps/unix/sysv/linux/sh/vfork.S (__vfork): Likewise.
	* sysdeps/unix/sysv/linux/sh/sysdep.h (PSEUDO): Likewise.
	Add support for cancellation handling.
	(SYSCALL_ERROR_HANDLER): Define PIC variants.
2003-01-05 11:26:28 +00:00

44 lines
1.3 KiB
ArmAsm

/* 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#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)