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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/unix/bsd/m68k/sysdep.S
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initial import
Diffstat (limited to 'sysdeps/unix/bsd/m68k/sysdep.S')
-rw-r--r--sysdeps/unix/bsd/m68k/sysdep.S44
1 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/m68k/sysdep.S b/sysdeps/unix/bsd/m68k/sysdep.S
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+/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#define _ERRNO_H
+#include <errnos.h>
+
+.globl syscall_error
+syscall_error:
+	/* We translate the system's EWOULDBLOCK error into EAGAIN.
+	   The GNU C library always defines EWOULDBLOCK==EAGAIN.
+	   EWOULDBLOCK_sys is the original number.  */
+#ifdef __motorola__
+#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
+	cmp.l #EWOULDBLOCK_sys, d0
+	bne store
+	moveq.l #EAGAIN, d0
+#endif
+store:	move.l d0, _errno
+	moveq.l #-1, d0
+#else
+#if defined (EWOULDBLOCK_sys) && EWOULDBLOCK_sys != EAGAIN
+	cmpl #EWOULDBLOCK_sys, d0
+	bne store
+	moveq #EAGAIN, d0
+#endif
+store:	movel d0, _errno
+	moveq #-1, d0
+#endif
+	rts