b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
71 lines
2.7 KiB
ArmAsm
71 lines
2.7 KiB
ArmAsm
/* $NetBSD: compat_sigprocmask.S,v 1.1 2006/03/09 16:20:55 christos Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1990 The Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to Berkeley by
|
|
* the Systems Programming Group of the University of Utah Computer
|
|
* Science Department.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "SYS.h"
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
#if 0
|
|
RCSID("from: @(#)sigprocmask.s 5.2 (Berkeley) 6/6/90")
|
|
#else
|
|
RCSID("$NetBSD: compat_sigprocmask.S,v 1.1 2006/03/09 16:20:55 christos Exp $")
|
|
#endif
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
WARN_REFERENCES(sigprocmask, \
|
|
"warning: reference to compatibility sigprocmask(); include <signal.h> for correct reference")
|
|
|
|
ENTRY(sigprocmask)
|
|
tstl %sp@(8) /* check new sigset pointer */
|
|
jne gotptr /* if not null, indirect */
|
|
/* movl #0,%sp@(8) /* null mask pointer: block empty set */
|
|
movl #1,%sp@(4) /* SIG_BLOCK */
|
|
jra doit
|
|
gotptr:
|
|
movl %sp@(8),%a0
|
|
movl %a0@,%sp@(8) /* indirect to new mask arg */
|
|
doit:
|
|
movl #SYS_compat_13_sigprocmask13,%d0
|
|
trap #0
|
|
jcs err
|
|
tstl %sp@(12) /* test if old mask requested */
|
|
jeq out
|
|
movl %sp@(12),%a0
|
|
movl %d0,%a0@ /* store old mask */
|
|
out:
|
|
clrl %d0
|
|
rts
|
|
err:
|
|
jra PIC_PLT(CERROR)
|