1/* $NetBSD: cerror.S,v 1.15 2009/10/03 22:28:33 phx Exp $ */ 2 3/*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * the Systems Programming Group of the University of Utah Computer 9 * Science Department. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36#include "SYS.h" 37 38#if defined(LIBC_SCCS) && !defined(lint) 39#if 0 40 RCSID("from: @(#)cerror.s 5.1 (Berkeley) 5/12/90") 41#else 42 RCSID("$NetBSD: cerror.S,v 1.15 2009/10/03 22:28:33 phx Exp $") 43#endif 44#endif /* LIBC_SCCS and not lint */ 45 46#ifdef _REENTRANT 47 .globl _C_LABEL(__errno) 48#else 49 .globl _C_LABEL(errno) 50#endif 51_ENTRY(CERROR) 52#ifdef _REENTRANT 53 movl %d0,%sp@- 54#if defined(PIC) && !defined(__ELF__) 55 movl #_C_LABEL(_GLOBAL_OFFSET_TABLE_),%a0 56 lea %pc@(0,%a0:l),%a0 57 movl %a0@(_C_LABEL(__errno):l),%a0 58 jsr %a0@ 59#else 60 jbsr PIC_PLT(_C_LABEL(__errno)) 61#endif 62#ifndef __SVR4_ABI__ 63 movl %d0,%a0 64#endif 65 movl %sp@+,%a0@ 66#else 67#ifdef PIC 68#ifdef __ELF__ 69 lea %pc@(_GLOBAL_OFFSET_TABLE_@GOTPC),%a0 70 movl %a0@(_C_LABEL(errno)@GOT:w),%a0 71#else 72 movl #_C_LABEL(_GLOBAL_OFFSET_TABLE_),%a0 73 lea %pc@(0,a0:l),%a0 74 movl %a0@(_C_LABEL(errno):w),%a0 75#endif 76 movl %d0,%a0@ 77#else 78 movl %d0,_C_LABEL(errno) 79#endif 80#endif /* _REENTRANT */ 81 movl #-1,%d0 82 movl #-1,%d1 83#ifdef __SVR4_ABI__ 84 movl %d0,%a0 85#endif 86 rts 87