From 2f091ace9da87cec5f22d606918e7a0f03ff2f1d Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 12 Apr 1999 09:03:27 +0000 Subject: [PATCH] Signal termination function. --- sysdeps/unix/sysv/linux/arm/sigrestorer.S | 33 +++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/arm/sigrestorer.S diff --git a/sysdeps/unix/sysv/linux/arm/sigrestorer.S b/sysdeps/unix/sysv/linux/arm/sigrestorer.S new file mode 100644 index 0000000000..8d32e4ce9c --- /dev/null +++ b/sysdeps/unix/sysv/linux/arm/sigrestorer.S @@ -0,0 +1,33 @@ +/* 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 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include + +/* 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