diff options
Diffstat (limited to 'lib/libc/arch/arm/sys/cerror.S')
-rw-r--r-- | lib/libc/arch/arm/sys/cerror.S | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/lib/libc/arch/arm/sys/cerror.S b/lib/libc/arch/arm/sys/cerror.S new file mode 100644 index 00000000000..2a06fca2f3e --- /dev/null +++ b/lib/libc/arch/arm/sys/cerror.S @@ -0,0 +1,71 @@ +/* $NetBSD: cerror.S,v 1.5 2003/08/07 16:42:04 agc Exp $ */ + +/*- + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: @(#)cerror.s 5.1 (Berkeley) 4/23/90 + */ + +#include "SYS.h" + +ASENTRY(CERROR) +#ifdef _REENTRANT + stmfd sp!, {r4, lr} + mov r4, r0 + bl PIC_SYM(_C_LABEL(__errno), PLT) + str r4, [r0] + mvn r0, #0x00000000 + mvn r1, #0x00000000 + ldmfd sp!, {r4, pc} +#else +#ifdef PIC + /* Setup the GOT */ + ldr r3, .Lgot + add r3, pc, r3 +.L1: + ldr r1, .Lerrno + ldr r1, [r3, r1] +#else + ldr r1, .Lerrno +#endif /* PIC */ + str r0, [r1] + mvn r0, #0x00000000 + mvn r1, #0x00000000 + mov pc, lr + +#ifdef PIC + .align 0 +.Lgot: + .word _C_LABEL(_GLOBAL_OFFSET_TABLE_) + (. - (.L1+4)) +#endif /* PIC */ + + .globl _C_LABEL(errno) + +.Lerrno: + .word PIC_SYM(_C_LABEL(errno), GOT) +#endif /* _REENTRANT */ |