1/* $NetBSD: cerror.S,v 1.4 2003/04/05 23:08:52 bjh21 Exp $ */ 2 3/*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. 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 * from: @(#)cerror.s 5.1 (Berkeley) 4/23/90 36 */ 37 38#include "SYS.h" 39 40ASENTRY(CERROR) 41#ifdef _REENTRANT 42 stmfd sp!, {r4, lr} 43 mov r4, r0 44 bl PIC_SYM(_C_LABEL(__errno), PLT) 45 str r4, [r0] 46 mvn r0, #0x00000000 47 mvn r1, #0x00000000 48 ldmfd sp!, {r4, pc} 49#else 50#ifdef PIC 51 /* Setup the GOT */ 52 ldr r3, .Lgot 53 add r3, pc, r3 54.L1: 55 ldr r1, .Lerrno 56 ldr r1, [r3, r1] 57#else 58 ldr r1, .Lerrno 59#endif /* PIC */ 60 str r0, [r1] 61 mvn r0, #0x00000000 62 mvn r1, #0x00000000 63 mov pc, lr 64 65#ifdef PIC 66 .align 0 67.Lgot: 68 .word _C_LABEL(_GLOBAL_OFFSET_TABLE_) + (. - (.L1+4)) 69#endif /* PIC */ 70 71 .globl _C_LABEL(errno) 72 73.Lerrno: 74 .word PIC_SYM(_C_LABEL(errno), GOT) 75#endif /* _REENTRANT */ 76