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42 lines
1.4 KiB
ArmAsm
42 lines
1.4 KiB
ArmAsm
/* Copyright (C) 1994, 1997, 2012 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, see
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<http://www.gnu.org/licenses/>. */
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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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.global C_SYMBOL_NAME(errno)
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.global syscall_error
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.text
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.align 2
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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 %o0, EWOULDBLOCK_sys
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be,a notblock
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mov EAGAIN, %o0
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#endif
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notblock: /* Store the error code in `errno'. */
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sethi %hi(C_SYMBOL_NAME(errno)), %g1
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st %o0, [%g1 + %lo(C_SYMBOL_NAME(errno))]
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/* And return -1. */
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retl
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mov -1, %o0
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