cerror.S revision 99116
1189251Ssam/*- 2189251Ssam * Copyright (c) 1990 The Regents of the University of California. 3252726Srpaulo * All rights reserved. 4189251Ssam * 5252726Srpaulo * This code is derived from software contributed to Berkeley by 6252726Srpaulo * William Jolitz. 7189251Ssam * 8189251Ssam * Redistribution and use in source and binary forms, with or without 9189251Ssam * modification, are permitted provided that the following conditions 10189251Ssam * are met: 11189251Ssam * 1. Redistributions of source code must retain the above copyright 12214734Srpaulo * notice, this list of conditions and the following disclaimer. 13214734Srpaulo * 2. Redistributions in binary form must reproduce the above copyright 14252726Srpaulo * notice, this list of conditions and the following disclaimer in the 15189251Ssam * documentation and/or other materials provided with the distribution. 16189251Ssam * 3. All advertising materials mentioning features or use of this software 17189251Ssam * must display the following acknowledgement: 18189251Ssam * This product includes software developed by the University of 19189251Ssam * California, Berkeley and its contributors. 20189251Ssam * 4. Neither the name of the University nor the names of its contributors 21189251Ssam * may be used to endorse or promote products derived from this software 22189251Ssam * without specific prior written permission. 23189251Ssam * 24189251Ssam * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25189251Ssam * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26189251Ssam * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27189251Ssam * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28189251Ssam * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29189251Ssam * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30189251Ssam * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31189251Ssam * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32189251Ssam * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33189251Ssam * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34189251Ssam * SUCH DAMAGE. 35189251Ssam * 36189251Ssam * from: FreeBSD: src/lib/libc/i386/sys/cerror.S,v 1.11 2001/08/13 37189251Ssam */ 38189251Ssam 39189251Ssam#include <machine/asm.h> 40189251Ssam__FBSDID("$FreeBSD: head/lib/libc/sparc64/sys/cerror.S 99116 2002-06-30 05:36:49Z obrien $"); 41189251Ssam 42189251Ssam#include "SYS.h" 43189251Ssam 44189251Ssam .text 45189251Ssam .align 16 46189251Ssam .globl HIDENAME(cerror) 47189251Ssam .type HIDENAME(cerror),@function 48189251Ssam 49189251Ssam /* 50189251Ssam * The __error() function is thread aware. For non-threaded 51189251Ssam * programs and the initial threaded in threaded programs, 52189251Ssam * it returns a pointer to the global errno variable. 53189251Ssam */ 54189251Ssam .globl CNAME(__error) 55189251SsamHIDENAME(cerror): 56189251Ssam save %sp, -CCFSZ, %sp 57189251Ssam call CNAME(__error) 58189251Ssam nop 59189251Ssam stw %i0, [%o0] 60189251Ssam mov -1, %i0 61189251Ssam ret 62189251Ssam restore %g0, -1, %o1 63189251SsamEND(HIDENAME(cerror)) 64189251Ssam