[RFA] read_reg() patch

["Martin M. Hunt" <hunt@redhat.com>]

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2004-07-20  Kevin Buettner and Martin Hunt  <hunt@redhat.com>
  
        * dwarf2-frame.c (read_reg): Add a call to
store_unsigned_integer.
	This extracts the least significant register_size() bits and
	extends it to the size of a pointer. Without this, big-endian
	targets where pointer size != register size breaks.
   
-- 
Martin M. Hunt <hunt@redhat.com>
Red Hat Inc.

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Index: dwarf2-frame.c
===================================================================
RCS file: /cvs/src/src/gdb/dwarf2-frame.c,v
retrieving revision 1.36
diff -w -u -r1.36 dwarf2-frame.c
--- dwarf2-frame.c	15 Jun 2004 01:04:19 -0000	1.36
+++ dwarf2-frame.c	20 Jul 2004 18:54:54 -0000
@@ -214,6 +214,8 @@
 
   buf = (char *) alloca (register_size (gdbarch, regnum));
   frame_unwind_register (next_frame, regnum, buf);
+  store_unsigned_integer (buf, TYPE_LENGTH (builtin_type_void_data_ptr),
+			  extract_unsigned_integer (buf, register_size (gdbarch, regnum)));
   return extract_typed_address (buf, builtin_type_void_data_ptr);
 }