Fix for BUG #11642: [Patch]es x86 Assembler and text relocations

Changed assembler functions to not access global variables or variables in text segement
Added wrapper function in C to longlong2str() to pass _dig_vec_upper as an argument

strings/longlong2str_asm.c

@@ -0,0 +1,33 @@
+/* Copyright (C) 2000 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/*
+  Wrapper for longlong2str.s
+
+  We need this because the assembler code can't access the local variable
+  _dig_vector in a portable manner.
+*/
+
+#include <my_global.h>
+#include "m_string.h"
+
+extern char *longlong2str_with_dig_vector(longlong val,char *dst,int radix,
+                                          const char *dig_vector);
+
+char *longlong2str(longlong val,char *dst,int radix)
+{
+  return longlong2str_with_dig_vector(val, dst, radix, _dig_vec_upper);
+}