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bug#41357: 28.0.50; GC may miss to mark calle safe register content
From: |
Eli Zaretskii |
Subject: |
bug#41357: 28.0.50; GC may miss to mark calle safe register content |
Date: |
Sun, 17 May 2020 20:24:23 +0300 |
> Cc: bug-gnu-emacs@gnu.org
> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Sun, 17 May 2020 10:08:00 -0700
>
> It's a low-level problem in which the garbage collector is not seeing some
> objects that it should see, because at the machine level the object addresses
> are in registers that the garbage collector hasn't saved and thus won't see
> when
> it scans memory.
Since we write in C and in Lisp, not in assembly, I struggle to see
how a Lisp object could appear in a register without leaving any trace
on the stack. I'm probably missing something.
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, (continued)
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Andrea Corallo, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Eli Zaretskii, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Andrea Corallo, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Eli Zaretskii, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Andrea Corallo, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Eli Zaretskii, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Andrea Corallo, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Paul Eggert, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content,
Eli Zaretskii <=
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Paul Eggert, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Eli Zaretskii, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Andrea Corallo, 2020/05/17
- bug#41357: 28.0.50; GC may miss to mark calle safe register content, Paul Eggert, 2020/05/17
bug#41357: 28.0.50; GC may miss to mark calle safe register content, Tom Tromey, 2020/05/24