mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-27 04:41:02 +08:00
50 lines
1.2 KiB
ArmAsm
50 lines
1.2 KiB
ArmAsm
/* Copyright (C) 1993, 1995 Free Software Foundation, Inc.
|
|
Contributed by David Mosberger (davidm@cs.arizona.edu).
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
/* sigsuspend is a special syscall since it needs to dereference the
|
|
sigset. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
.text
|
|
|
|
LEAF(sigsuspend, 0)
|
|
#ifdef PROF
|
|
ldgp gp, 0(pv)
|
|
lda AT, _mcount
|
|
jsr AT, (AT), _mcount
|
|
.prologue 1
|
|
#else
|
|
.prologue 0
|
|
#endif
|
|
|
|
ldq a0, 0(a0)
|
|
ldi v0, __NR_sigsuspend
|
|
call_pal PAL_callsys
|
|
bne a3, error
|
|
ret
|
|
|
|
error:
|
|
#ifndef PROF
|
|
br gp, 1f
|
|
1: ldgp gp, 0(gp)
|
|
#endif
|
|
jmp zero, __syscall_error
|
|
|
|
END(sigsuspend)
|