glibc/sysdeps/unix/sysv/linux/arm/sigrestorer.S
2001-07-06 04:56:23 +00:00

34 lines
1.2 KiB
ArmAsm

/* Copyright (C) 1999 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>
/* If no SA_RESTORER function was specified by the application we use
one of these. This avoids the need for the kernel to synthesise a return
instruction on the stack, which would involve expensive cache flushes. */
ENTRY(__default_sa_restorer)
swi SYS_ify(sigreturn)
#ifdef __NR_rt_sigreturn
ENTRY(__default_rt_sa_restorer)
swi SYS_ify(rt_sigreturn)
#endif