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/* Copyright (C) 1991,92,93,94,95,96,97,98 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
#define _ERRNO_H
#include <bits/errno.h>
.globl C_SYMBOL_NAME(errno)
.globl syscall_error
#undef syscall_error
#ifdef NO_UNDERSCORES
__syscall_error:
#else
syscall_error:
#endif
#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
/* We translate the system's EWOULDBLOCK error into EAGAIN.
The GNU C library always defines EWOULDBLOCK==EAGAIN.
EWOULDBLOCK_sys is the original number. */
cmp r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK? */
moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */
#endif
#ifndef PIC
ldr r1, _errno_loc
str r0, [r1]
#ifdef _LIBC_REENTRANT
stmdb sp!, {r0, lr}
/* put another copy of r0 at a specific errno location */
bl C_SYMBOL_NAME(__errno_location)
ldmia sp!, {r1, lr}
str r1, [r0]
#endif
#else
stmdb sp!,{r10, lr}
@ we have to establish our PIC register
ldr r10, 1f
add r10, pc, r10
0: ldr r1, 2f
ldr r1, [r10, r1]
@ store a copy in _errno_loc
str r0, [r1]
#ifdef _LIBC_REENTRANT
@ and another copy in thread copy of _errno_loc
mov r10, r0
bl __errno_location(PLT)
str r10, [r0]
#endif
ldmia sp!, {r10, lr}
b 4f
1: .word _GLOBAL_OFFSET_TABLE_ - 0b - 4
2: .word C_SYMBOL_NAME(errno)(GOT)
4:
#endif
mvn r0, $0
RETINSTR(mov, pc, r14)
#ifndef PIC
_errno_loc: .long C_SYMBOL_NAME(errno)
#endif
#undef __syscall_error
END (__syscall_error)
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