Add x86-64 support to i386 sys/elf.h and sys/vm86.h

ChangeLog

@@ -1,3 +1,10 @@
+2012-05-31  H.J. Lu  <hongjiu.lu@intel.com>
+
+	[BZ #14117]
+	* sysdeps/unix/sysv/linux/i386/sys/elf.h: Error when compiling
+	for x86-64.
+	* sysdeps/unix/sysv/linux/i386/sys/vm86.h: Likewise.
+
 2012-05-31  Joseph Myers  <joseph@codesourcery.com>
 
 	* math/math.h (M_El): Use two more decimal places.

sysdeps/unix/sysv/linux/i386/sys/elf.h

@@ -1,4 +1,4 @@
-/* Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1998-2012 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
@@ -18,8 +18,12 @@
 #ifndef _SYS_ELF_H
 #define _SYS_ELF_H	1
 
-#warning "This header is obsolete; use <sys/procfs.h> instead."
+#ifdef __x86_64__
+# error This header is unsupported on x86-64.
+#else
+# warning "This header is obsolete; use <sys/procfs.h> instead."
 
-#include <sys/procfs.h>
+# include <sys/procfs.h>
+#endif
 
 #endif	/* _SYS_ELF_H */

sysdeps/unix/sysv/linux/i386/sys/vm86.h

@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1999, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2012 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
@@ -20,8 +20,11 @@
 #define _SYS_VM86_H	1
 #include <features.h>
 
+#ifdef __x86_64__
+# error This header is unsupported on x86-64.
+#else
 /* Get constants and data types from kernel header file.  */
-#include <asm/vm86.h>
+# include <asm/vm86.h>
 
 __BEGIN_DECLS
 
@@ -30,5 +33,6 @@ extern int vm86 (unsigned long int __subfunction,
 		 struct vm86plus_struct *__info) __THROW;
 
 __END_DECLS
+# endif
 
 #endif	/* _SYS_VM86_H */