glibc/sysdeps/unix/mips/sysdep.S
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
2001-07-06  Paul Eggert  <eggert@twinsun.com>

	* manual/argp.texi: Remove ignored LGPL copyright notice; it's
	not appropriate for documentation anyway.
	* manual/libc-texinfo.sh: "Library General Public License" ->
	"Lesser General Public License".

2001-07-06  Andreas Jaeger  <aj@suse.de>

	* All files under GPL/LGPL version 2: Place under LGPL version
	2.1.
2001-07-06 04:58:11 +00:00

102 lines
2.4 KiB
ArmAsm

/* Copyright (C) 1992,93,94,97,98,99,2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Brendan Kehoe (brendan@zen.org).
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
#define _ERRNO_H
#include <bits/errno.h>
#ifdef _LIBC_REENTRANT
ENTRY(__syscall_error)
#ifdef __PIC__
.set noreorder
.set noat
move $1, $31
bltzal $0, 0f
nop
0: .cpload $31
move $31, $1
.set at
.set reorder
#endif
subu sp, 32
#ifdef __PIC__
.cprestore 16
#endif
sw v0, 20(sp)
sw ra, 24(sp)
#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. */
bne v0, EWOULDBLOCK_sys, skip
nop
li v0, EAGAIN
skip:
#endif
/* Store it in the "real" variable ... */
sw v0, errno
/* Find our per-thread errno address */
jal __errno_location
/* Store the error value. */
lw t0, 20(sp)
sw t0, 0(v0)
/* And just kick back a -1. */
lw ra, 24(sp)
addiu sp, 32
li v0, -1
j ra
END(__syscall_error)
#else /* _LIBC_REENTRANT */
ENTRY(__syscall_error)
#ifdef __PIC__
.set noreorder
.set noat
move $1, $31
bltzal $0, 0f
nop
0: .cpload $31
move $31, $1
.set at
.set reorder
#endif
#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. */
bne v0, EWOULDBLOCK_sys, skip
li v0, EAGAIN
skip:
#endif
/* Store it in errno... */
sw v0, errno
/* And just kick back a -1. */
li v0, -1
j ra
END(__syscall_error)
#endif /* _LIBC_REENTRANT */