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Re: [PATCH] hurd: libgcc unwinding over signal trampolines with SIGINFO
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From: |
Jessica Clarke |
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Subject: |
Re: [PATCH] hurd: libgcc unwinding over signal trampolines with SIGINFO |
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Date: |
Mon, 21 Dec 2020 14:21:39 +0000 |
On 21 Dec 2020, at 14:09, Samuel Thibault <samuel.thibault@gnu.org> wrote:
> @@ -75,29 +86,52 @@ x86_gnu_fallback_frame_state
> return _URC_END_OF_STACK;
>
> handler_args = context->cfa;
> - scp = handler_args->scp;
> - usp = scp->sc_uesp;
> + sigcode = handler_args->legacy.sigcode;
> + if (sigcode < 4096)
Do you not need >= 0 to handle the 3/1 split correctly?
Jess