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Re: Building the igc branch on MS-Windows
From: |
Eli Zaretskii |
Subject: |
Re: Building the igc branch on MS-Windows |
Date: |
Fri, 26 Apr 2024 13:39:04 +0300 |
> From: Helmut Eller <eller.helmut@gmail.com>
> Cc: gerd.moellmann@gmail.com, emacs-devel@gnu.org
> Date: Fri, 26 Apr 2024 10:12:58 +0200
>
> > if (FRAME_WINDOW_P (f) && FRAME_OUTPUT_DATA (f))
> > {
> > struct font *font = FRAME_FONT (f);
> > if (font)
> > IGC_FIX12_RAW(ss, &font); <<<<<<<<<<<<<<<<<<<<<
> > }
>
> I think this change introduced a bug. Remember that MPS is moving
> GC. So it sometimes needs to update the pointer in the struct that we
> are scanning. We have to give it the address of the field, not the
> address of some local variable on the stack. Perhaps clearer is this:
>
> struct font **font = &FRAME_FONT (f);
> if (*font)
> IGC_FIX12_RAW(ss, font);
Done.
> > However, the crashes while scrolling through xdisp.c are still there.
> > I just had 2 of them; backtraces below. It sounds like the first one
> > is due to Lisp strings, but the second one is related to markers.
> >
> > igc.c:1584: Emacs fatal error: assertion failed: !"other"
>
> Yes, I see this too. I will try to write some code to reproduce
> this without needing manual input.
Thanks.
- Re: Building the igc branch on MS-Windows, (continued)
- Re: Building the igc branch on MS-Windows, Gerd Möllmann, 2024/04/26
- Re: Building the igc branch on MS-Windows, Eli Zaretskii, 2024/04/26
- Re: Building the igc branch on MS-Windows, Gerd Möllmann, 2024/04/26
- Re: Building the igc branch on MS-Windows, Helmut Eller, 2024/04/26
- Re: Building the igc branch on MS-Windows, Gerd Möllmann, 2024/04/26
- Re: Building the igc branch on MS-Windows, Eli Zaretskii, 2024/04/26
- Re: Building the igc branch on MS-Windows, Eli Zaretskii, 2024/04/26
- Re: Building the igc branch on MS-Windows, Gerd Möllmann, 2024/04/26
- Re: Building the igc branch on MS-Windows, Helmut Eller, 2024/04/26
- Re: Building the igc branch on MS-Windows, Gerd Möllmann, 2024/04/26
- Re: Building the igc branch on MS-Windows,
Eli Zaretskii <=