gdb/gdb-6.8-bz436037-reg-no-longer-active.patch

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diff -d -urpN src.0/gdb/valops.c src.1/gdb/valops.c
--- src.0/gdb/valops.c 2008-07-27 04:00:03.000000000 +0200
+++ src.1/gdb/valops.c 2008-07-31 15:17:42.000000000 +0200
@@ -813,10 +813,18 @@ value_assign (struct value *toval, struc
struct frame_info *frame;
int value_reg;
- /* Figure out which frame this is in currently. */
- frame = frame_find_by_id (VALUE_FRAME_ID (toval));
value_reg = VALUE_REGNUM (toval);
+ /* Figure out which frame this is in currently. */
+ frame = frame_find_by_id (VALUE_FRAME_ID (toval));
+ /* "set $reg+=1" should work on programs with no debug info,
+ but frame_find_by_id returns NULL here (RH bug 436037).
+ Use current frame, it represents CPU state in this case.
+ If frame_find_by_id is changed to do it internally
+ (it is contemplated there), remove this. */
+ if (!frame)
+ frame = get_current_frame ();
+ /* Probably never happens. */
if (!frame)
error (_("Value being assigned to is no longer active."));