glibc/sysdeps/unix/sysv/linux/arm/sigrestorer.S

/* 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
Update. 1999-07-26 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/clock_getres.c: New file. * sysdeps/generic/clock_gettime.c: New file. * sysdeps/generic/clock_settime.c: New file. * sysdeps/generic/timer_create.c: New file. * sysdeps/generic/timer_delete.c: New file. * sysdeps/generic/timer_getoverr.c: New file. * sysdeps/generic/timer_gettime.c: New file. * sysdeps/generic/timer_settime.c: New file. * sysdeps/generic/bits/time.h: Define __clockid_t, __timer_t, CLOCK_REALTIME, and TIMER_ABSTIME. * sysdeps/mach/hurd/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_TIMERS. * sysdeps/unix/sysv/linux/bits/siginfo.h: Define si_timer1 and si_timer2. * sysdeps/unix/sysv/linux/syscalls.list: Add clock and timer syscalls. * time/Makefile (routines): Add clock_getres, clock_gettime, clock_setres, timer_create, timer_delete, timer_getoverr, timer_gettime, and timer_settime. * time/time.h: Define clockid_t, timer_t, and struct itimerspec for POSIX.1b. Add prototypes for clock and timer functions. 1999-07-27 00:24:04 +00:00			`/* 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`
Update to LGPL v2.1. 2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1. 2001-07-06 04:58:11 +00:00			`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.`
Update. 1999-07-26 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/clock_getres.c: New file. * sysdeps/generic/clock_gettime.c: New file. * sysdeps/generic/clock_settime.c: New file. * sysdeps/generic/timer_create.c: New file. * sysdeps/generic/timer_delete.c: New file. * sysdeps/generic/timer_getoverr.c: New file. * sysdeps/generic/timer_gettime.c: New file. * sysdeps/generic/timer_settime.c: New file. * sysdeps/generic/bits/time.h: Define __clockid_t, __timer_t, CLOCK_REALTIME, and TIMER_ABSTIME. * sysdeps/mach/hurd/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_TIMERS. * sysdeps/unix/sysv/linux/bits/siginfo.h: Define si_timer1 and si_timer2. * sysdeps/unix/sysv/linux/syscalls.list: Add clock and timer syscalls. * time/Makefile (routines): Add clock_getres, clock_gettime, clock_setres, timer_create, timer_delete, timer_getoverr, timer_gettime, and timer_settime. * time/time.h: Define clockid_t, timer_t, and struct itimerspec for POSIX.1b. Add prototypes for clock and timer functions. 1999-07-27 00:24:04 +00:00
			`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`
Update to LGPL v2.1. 2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1. 2001-07-06 04:58:11 +00:00			`Lesser General Public License for more details.`
Update. 1999-07-26 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/clock_getres.c: New file. * sysdeps/generic/clock_gettime.c: New file. * sysdeps/generic/clock_settime.c: New file. * sysdeps/generic/timer_create.c: New file. * sysdeps/generic/timer_delete.c: New file. * sysdeps/generic/timer_getoverr.c: New file. * sysdeps/generic/timer_gettime.c: New file. * sysdeps/generic/timer_settime.c: New file. * sysdeps/generic/bits/time.h: Define __clockid_t, __timer_t, CLOCK_REALTIME, and TIMER_ABSTIME. * sysdeps/mach/hurd/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_TIMERS. * sysdeps/unix/sysv/linux/bits/siginfo.h: Define si_timer1 and si_timer2. * sysdeps/unix/sysv/linux/syscalls.list: Add clock and timer syscalls. * time/Makefile (routines): Add clock_getres, clock_gettime, clock_setres, timer_create, timer_delete, timer_getoverr, timer_gettime, and timer_settime. * time/time.h: Define clockid_t, timer_t, and struct itimerspec for POSIX.1b. Add prototypes for clock and timer functions. 1999-07-27 00:24:04 +00:00
Update to LGPL v2.1. 2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1. 2001-07-06 04:58:11 +00:00			`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. */`
Update. 1999-07-26 Ulrich Drepper <drepper@cygnus.com> * sysdeps/generic/clock_getres.c: New file. * sysdeps/generic/clock_gettime.c: New file. * sysdeps/generic/clock_settime.c: New file. * sysdeps/generic/timer_create.c: New file. * sysdeps/generic/timer_delete.c: New file. * sysdeps/generic/timer_getoverr.c: New file. * sysdeps/generic/timer_gettime.c: New file. * sysdeps/generic/timer_settime.c: New file. * sysdeps/generic/bits/time.h: Define __clockid_t, __timer_t, CLOCK_REALTIME, and TIMER_ABSTIME. * sysdeps/mach/hurd/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/time.h: Likewise. * sysdeps/unix/sysv/linux/bits/posix_opt.h: Define _POSIX_TIMERS. * sysdeps/unix/sysv/linux/bits/siginfo.h: Define si_timer1 and si_timer2. * sysdeps/unix/sysv/linux/syscalls.list: Add clock and timer syscalls. * time/Makefile (routines): Add clock_getres, clock_gettime, clock_setres, timer_create, timer_delete, timer_getoverr, timer_gettime, and timer_settime. * time/time.h: Define clockid_t, timer_t, and struct itimerspec for POSIX.1b. Add prototypes for clock and timer functions. 1999-07-27 00:24:04 +00:00
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4. 2004-12-22 20:10:10 +00:00			`#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`