Jessica Clarke, le lun. 21 déc. 2020 14:21:39 +, a ecrit:
> On 21 Dec 2020, at 14:09, Samuel Thibault 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;
On 21 Dec 2020, at 14:09, Samuel Thibault 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 y
When the application sets SA_SIGINFO, the signal trampoline parameters
are different to follow POSIX.
libgcc/
* config/i386/gnu-unwind.h (x86_gnu_fallback_frame_state): Add the posix
siginfo case to struct handler_args. Detect between legacy and siginfo from
the second parameter, which is a small
