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/* Copyright (C) 1991-2013 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, see
<http://www.gnu.org/licenses/>. */
#include <sysdep.h>
#define _ERRNO_H
#include <bits/errno.h>
#ifdef IS_IN_rtld
# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
#endif
#include <tls.h>
#undef syscall_error
__syscall_error:
#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? */
it eq
moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */
#endif
#ifndef IS_IN_rtld
mov ip, lr
cfi_register (lr, ip)
mov r1, r0
mov r0, #0xffff0fff
mov lr, pc
sub pc, r0, #31
ldr r2, 1f
2: ldr r2, [pc, r2]
str r1, [r0, r2]
mvn r0, #0
RETINSTR (, ip)
1: .word errno(gottpoff) + (. - 2b - PC_OFS)
#elif RTLD_PRIVATE_ERRNO
ldr r1, 1f
0: str r0, [pc, r1]
mvn r0, $0
DO_RET(r14)
1: .word C_SYMBOL_NAME(rtld_errno) - 0b - PC_OFS
#else
#error "Unsupported non-TLS case"
#endif
#undef __syscall_error
END (__syscall_error)
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