70 lines
1.9 KiB
ArmAsm
70 lines
1.9 KiB
ArmAsm
/* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2002, 2003,
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2004, 2005, 2009, 2011, 2012
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#define _ERRNO_H
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#include <bits/errno.h>
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#ifdef IS_IN_rtld
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# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
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#endif
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#include <tls.h>
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#undef syscall_error
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__syscall_error:
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#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
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/* We translate the system's EWOULDBLOCK error into EAGAIN.
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The GNU C library always defines EWOULDBLOCK==EAGAIN.
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EWOULDBLOCK_sys is the original number. */
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cmp r0, $EWOULDBLOCK_sys /* Is it the old EWOULDBLOCK? */
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moveq r0, $EAGAIN /* Yes; translate it to EAGAIN. */
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#endif
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#ifndef IS_IN_rtld
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mov ip, lr
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cfi_register (lr, ip)
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mov r1, r0
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mov r0, #0xffff0fff
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mov lr, pc
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sub pc, r0, #31
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ldr r2, 1f
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2: ldr r2, [pc, r2]
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str r1, [r0, r2]
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mvn r0, #0
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RETINSTR (, ip)
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1: .word errno(gottpoff) + (. - 2b - 8)
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#elif RTLD_PRIVATE_ERRNO
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ldr r1, 1f
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0: str r0, [pc, r1]
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mvn r0, $0
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DO_RET(r14)
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1: .word C_SYMBOL_NAME(rtld_errno) - 0b - 8
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#else
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#error "Unsupported non-TLS case"
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#endif
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#undef __syscall_error
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END (__syscall_error)
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