crosstool-ng/patches/gdb/6.8/130-reg-no-longer-active.patch
2009-05-19 16:05:36 +00:00

31 lines
1.3 KiB
Diff

Fix bug reported by Thomas Petazzoni <thomas.petazzoni@free-electrons.com>:
See: http://sourceware.org/ml/crossgcc/2009-05/msg00055.html
https://bugzilla.redhat.com/show_bug.cgi?id=436037
Fix from: http://cvs.fedoraproject.org/viewvc/devel/gdb/gdb-6.8-bz436037-reg-no-longer-active.patch?revision=1.1
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error (_("Value being assigned to is no longer active."));