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48 lines
1.5 KiB
ArmAsm
48 lines
1.5 KiB
ArmAsm
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/* Copyright (C) 1994 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <sysdep.h>
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#define _ERRNO_H
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#include <errnos.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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#undef syscall_error
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#ifdef NO_UNDERSCORES
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__syscall_error:
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#else
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syscall_error:
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#endif
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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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