1/* $NetBSD: cerror.S,v 1.3 2002/08/17 19:54:31 thorpej 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#ifdef __APCS_26__ 49 ldmfd sp!, {r4, pc}^ 50#else 51 ldmfd sp!, {r4, pc} 52#endif 53#else 54#ifdef PIC 55 /* Setup the GOT */ 56 ldr r3, .Lgot 57 add r3, pc, r3 58.L1: 59 ldr r1, .Lerrno 60 ldr r1, [r3, r1] 61#else 62 ldr r1, .Lerrno 63#endif /* PIC */ 64 str r0, [r1] 65 mvn r0, #0x00000000 66 mvn r1, #0x00000000 67#ifdef __APCS_26__ 68 movs pc, lr 69#else 70 mov pc, lr 71#endif 72 73#ifdef PIC 74 .align 0 75.Lgot: 76 .word _C_LABEL(_GLOBAL_OFFSET_TABLE_) + (. - (.L1+4)) 77#endif /* PIC */ 78 79 .globl _C_LABEL(errno) 80 81.Lerrno: 82 .word PIC_SYM(_C_LABEL(errno), GOT) 83#endif /* _REENTRANT */ 84