From: Bruno Haible <bruno@clisp.org>
To: Andrey Savchenko <bircoph@altlinux.org>
Cc: Ivan Zakharyaschev <imz@altlinux.org>, bug-gnulib@gnu.org
Subject: Re: [RFC PATCH] test-c-stack2.sh: skip if the platform sent SIGILL on an invalid address.
Date: Sat, 29 Dec 2018 15:03:07 +0100 [thread overview]
Message-ID: <13689434.cqUXT2F4i2@omega> (raw)
In-Reply-To: <20181229143111.6c78b9849a8a681a47a420a0@altlinux.org>
Andrey Savchenko wrote:
> This is not possible. Four generations of hardware are already
> manufactured and they use SIGILL for such cases. It may be fixed in
> future generations if CPU designers will agree to do so
The mapping from hardware exception code to Unix signal number is done in
software, not in hardware. For an example, look in
linux-4.20/arch/sparc/mm/fault_32.c.
Bruno
next prev parent reply other threads:[~2018-12-29 14:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-15 12:50 [RFC PATCH] test-c-stack2.sh: skip if the platform sent SIGILL on an invalid address Ivan Zakharyaschev
2018-12-20 2:24 ` Bruno Haible
2018-12-28 14:23 ` Ivan Zakharyaschev
2018-12-29 11:17 ` Bruno Haible
2018-12-29 11:31 ` Andrey Savchenko
2018-12-29 14:03 ` Bruno Haible [this message]
2018-12-29 14:31 ` Dmitry V. Levin
2018-12-29 14:54 ` Bruno Haible
2018-12-29 15:03 ` Ivan Zakharyaschev
2018-12-29 16:30 ` Dmitry V. Levin
2018-12-29 20:13 ` Ivan Zakharyaschev
2018-12-30 4:49 ` Bruno Haible
2018-12-29 13:54 ` Dmitry V. Levin
2018-12-29 15:15 ` Ivan Zakharyaschev
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