1/* $NetBSD: cerror.S,v 1.6 2004/08/21 11:30:17 rearnsha 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * from: @(#)cerror.s 5.1 (Berkeley) 4/23/90 32 */ 33 34#include "SYS.h" 35 36ASENTRY(CERROR) 37#ifdef _REENTRANT 38 stmfd sp!, {r4, lr} 39 mov r4, r0 40 bl PIC_SYM(_C_LABEL(__errno), PLT) 41 str r4, [r0] 42 mvn r0, #0x00000000 43 mvn r1, #0x00000000 44 ldmfd sp!, {r4, pc} 45#else 46#ifdef PIC 47 /* Setup the GOT */ 48 ldr r3, .Lgot 49 add r3, pc, r3 50.L1: 51 ldr r1, .Lerrno 52 ldr r1, [r3, r1] 53#else 54 ldr r1, .Lerrno 55#endif /* PIC */ 56 str r0, [r1] 57 mvn r0, #0x00000000 58 mvn r1, #0x00000000 59 RET 60 61#ifdef PIC 62 .align 0 63.Lgot: 64 .word _C_LABEL(_GLOBAL_OFFSET_TABLE_) + (. - (.L1+4)) 65#endif /* PIC */ 66 67 .globl _C_LABEL(errno) 68 69.Lerrno: 70 .word PIC_SYM(_C_LABEL(errno), GOT) 71#endif /* _REENTRANT */ 72