gdb/gdb-6.8-bz436037-reg-no-lon...

31 lines
1.1 KiB
Diff

Index: gdb-7.12.50.20170207/gdb/valops.c
===================================================================
--- gdb-7.12.50.20170207.orig/gdb/valops.c 2017-02-26 17:26:43.839146565 +0100
+++ gdb-7.12.50.20170207/gdb/valops.c 2017-02-26 17:28:40.840988272 +0100
@@ -1112,6 +1112,8 @@
struct gdbarch *gdbarch;
int value_reg;
+ value_reg = VALUE_REGNUM (toval);
+
/* Figure out which frame this is in currently.
We use VALUE_FRAME_ID for obtaining the value's frame id instead of
@@ -1121,8 +1123,14 @@
frame. */
frame = frame_find_by_id (VALUE_FRAME_ID (toval));
- value_reg = VALUE_REGNUM (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error (_("Value being assigned to is no longer active."));