From: Roland McGrath <roland@gnu.org>
Date: Thu, 23 May 1996 05:32:30 +0000 (+0000)
Subject: Wed May 22 00:40:50 1996  David Mosberger-Tang  <davidm@azstarnet.com>
X-Git-Tag: glibc-2.16-ports-before-merge~3829
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=65e888acf5295693aa9150eeaae605b8d4a17a14;p=thirdparty%2Fglibc.git

Wed May 22 00:40:50 1996  David Mosberger-Tang  <davidm@azstarnet.com>

	* sysdeps/unix/sysv/linux/alpha/llseek.S: New file.
---

diff --git a/sysdeps/unix/sysv/linux/alpha/llseek.S b/sysdeps/unix/sysv/linux/alpha/llseek.S
new file mode 100644
index 00000000000..7f2a49172a1
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/llseek.S
@@ -0,0 +1,49 @@
+/* Copyright (C) 1993, 1995 Free Software Foundation, Inc.
+   Contributed by David Mosberger (davidm@cs.arizona.edu).
+
+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.  */
+
+/* For compatibility only: a "long" is 64 bits on the Alpha, so
+   llseek() isn't really needed.  But there are some programs out
+   there who may depend on it being around. 
+*/
+
+#include <sysdep.h>
+
+	.text
+ENTRY(llseek)
+	.prologue 0
+
+	mov	a3, t0		/* save result address */
+
+	sll	a1, 32, a1	/* build a 64 bit ofs out of 32 bit operands */
+	zap	a2, 0xf0, a2
+	bis	a2, a1, a1
+
+	mov	a4, a2		/* shift down whence */
+
+	ldi	v0, __NR_lseek
+	call_pal PAL_callsys
+	bne	a3, error
+
+	stq	v0, 0(t0)
+	ret
+
+error:	br	gp, 1f
+1:	ldgp	gp, 0(gp)
+	jmp	zero, syscall_error
+
+	.end llseek