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patches/gdb/6.8/130-reg-no-longer-active.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Fri Sep 04 17:27:16 2009 +0200 (2009-09-04)
changeset 1512 439a6b292917
permissions -rw-r--r--
TODO: update

Add TODO list for m4, autoconf, automake and libtool.
Building our own versions would remove burden from the users
who have older versions on their distributions, and are not
ready/able/allowed to upgrade. 
     1 Fix bug reported by Thomas Petazzoni <thomas.petazzoni@free-electrons.com>:

     2 See: http://sourceware.org/ml/crossgcc/2009-05/msg00055.html

     3      https://bugzilla.redhat.com/show_bug.cgi?id=436037

     4 

     5 Fix from: http://cvs.fedoraproject.org/viewvc/devel/gdb/gdb-6.8-bz436037-reg-no-longer-active.patch?revision=1.1

     6 

     7 diff -d -urpN src.0/gdb/valops.c src.1/gdb/valops.c

     8 --- src.0/gdb/valops.c	2008-07-27 04:00:03.000000000 +0200

     9 +++ src.1/gdb/valops.c	2008-07-31 15:17:42.000000000 +0200

    10 @@ -813,10 +813,18 @@ value_assign (struct value *toval, struc

    11  	struct frame_info *frame;

    12  	int value_reg;

    13  

    14 -	/* Figure out which frame this is in currently.  */

    15 -	frame = frame_find_by_id (VALUE_FRAME_ID (toval));

    16  	value_reg = VALUE_REGNUM (toval);

    17  

    18 +	/* Figure out which frame this is in currently.  */

    19 +	frame = frame_find_by_id (VALUE_FRAME_ID (toval));

    20 +	/* "set $reg+=1" should work on programs with no debug info,

    21 +	   but frame_find_by_id returns NULL here (RH bug 436037).

    22 +	   Use current frame, it represents CPU state in this case.

    23 +	   If frame_find_by_id is changed to do it internally

    24 +	   (it is contemplated there), remove this.  */

    25 +	if (!frame)

    26 +	  frame = get_current_frame ();

    27 +	/* Probably never happens.  */

    28  	if (!frame)

    29  	  error (_("Value being assigned to is no longer active."));

    30
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