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db72c1e46f
* sysdeps/unix/mips/sysdep.h: Use __syscall_error. * sysdeps/unix/mips/sysdep.S: Rewrite, don't declare errno here. Patches by Ralf Baechle <ralf@uni-koblenz.de> 1999-08-24 Andreas Jaeger <aj@arthur.rhein-neckar.de>
102 lines
2.4 KiB
ArmAsm
102 lines
2.4 KiB
ArmAsm
/* Copyright (C) 1992,93,94,97,98,99 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Brendan Kehoe (brendan@zen.org).
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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 not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 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 _LIBC_REENTRANT
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ENTRY(__syscall_error)
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#ifdef PIC
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.set noreorder
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.set noat
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move $1, $31
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bltzal $0, 0f
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nop
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0: .cpload $31
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move $31, $1
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.set at
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.set reorder
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#endif
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subu sp, 32
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#ifdef __PIC__
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.cprestore 16
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#endif
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sw v0, 20(sp)
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sw ra, 24(sp)
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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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bne v0, EWOULDBLOCK_sys, skip
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nop
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li v0, EAGAIN
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skip:
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#endif
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/* Store it in the "real" variable ... */
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sw v0, errno
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/* Find our per-thread errno address */
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jal __errno_location
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/* Store the error value. */
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lw t0, 20(sp)
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sw t0, 0(v0)
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/* And just kick back a -1. */
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lw ra, 24(sp)
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addiu sp, 32
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li v0, -1
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j ra
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END(__syscall_error)
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#else /* _LIBC_REENTRANT */
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ENTRY(__syscall_error)
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#ifdef __PIC__
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.set noreorder
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.set noat
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move $1, $31
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bltzal $0, 0f
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nop
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0: .cpload $31
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move $31, $1
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.set at
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.set reorder
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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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bne v0, EWOULDBLOCK_sys, skip
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li v0, EAGAIN
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skip:
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#endif
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/* Store it in errno... */
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sw v0, errno
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/* And just kick back a -1. */
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li v0, -1
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j ra
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END(__syscall_error)
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#endif /* _LIBC_REENTRANT */
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