Add compatibility for 32-bit.

sysdeps/unix/sysv/linux/x86_64/sys/reg.h

@@ -1,4 +1,4 @@
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2002 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
@@ -18,7 +18,10 @@
 
 #ifndef _SYS_REG_H
 #define _SYS_REG_H	1
+#include <bits/wordsize.h>
 
+
+#if __WORDSIZE == 64
 /* Index into an array of 8 byte longs returned from ptrace for
    location of the users' stored general purpose registers.  */
 
@@ -43,5 +46,28 @@
 # define EFLAGS	18
 # define RSP	19
 # define SS	20
+#else
+
+/* Index into an array of 4 byte integers returned from ptrace for
+ * location of the users' stored general purpose registers. */
+
+# define EBX 0
+# define ECX 1
+# define EDX 2
+# define ESI 3
+# define EDI 4
+# define EBP 5
+# define EAX 6
+# define DS 7
+# define ES 8
+# define FS 9
+# define GS 10
+# define ORIG_EAX 11
+# define EIP 12
+# define CS  13
+# define EFL 14
+# define UESP 15
+# define SS   16
+endif
 
 #endif