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Date: Wed, 14 Jan 2009 03:50:00 -0000
Message-Id: <20090114.124900.206586899.kkojima@rr.iij4u.or.jp>
To: libc-hacker@sources.redhat.com
Subject: [PATCH] SH: Fixup clobber list of syscall
From: Kaz Kojima <kkojima@rr.iij4u.or.jp>
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X-SW-Source: 2009-01/txt/msg00003.txt.bz2

Recently SH kernel folks changes the syscall interface so to clobber
the T register.  Here is a follow up patch for this change.

Regards,
        kaz
--
2009-01-14  Kaz Kojima  <kkojima@rr.iij4u.or.jp>

	    * sysdeps/unix/sysv/linux/sh/sysdep.h (INTERNAL_SYSCALL):
	    Add "t" to clobber list.
	    (INTERNAL_SYSCALL_NCS): Likewise.

--- ORIG/libc/sysdeps/unix/sysv/linux/sh/sysdep.h	2006-01-21 07:09:52.000000000 +0900
+++ LOCAL/libc/sysdeps/unix/sysv/linux/sh/sysdep.h	2009-01-14 10:56:43.000000000 +0900
@@ -1,5 +1,5 @@
 /* Copyright (C) 1992,1993,1995,1996,1997,1998,1999,2000,2002,2003,2004,
-   2005,2006	Free Software Foundation, Inc.
+   2005,2006,2009	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
    Changed by Kaz Kojima, <kkojima@rr.iij4u.or.jp>.
@@ -339,7 +339,7 @@
     asm volatile (SYSCALL_INST_STR##nr SYSCALL_INST_PAD			      \
 		  : "=z" (resultvar)					      \
 		  : "r" (r3) ASMFMT_##nr				      \
-		  : "memory");						      \
+		  : "memory", "t");					      \
 									      \
     (int) resultvar; })
 
@@ -353,7 +353,7 @@
     asm volatile (SYSCALL_INST_STR##nr SYSCALL_INST_PAD			      \
 		  : "=z" (resultvar)					      \
 		  : "r" (r3) ASMFMT_##nr				      \
-		  : "memory");						      \
+		  : "memory", "t");					      \
 									      \
     (int) resultvar; })