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From: Florian Weimer <fweimer@redhat.com>
To: Maxim Blinov <maxim.blinov@embecosm.com>
Cc: gdb@sourceware.org
Subject: Re: use of %fs segment register in x86_64 with -fstack-check
Date: Wed, 04 Mar 2020 09:36:00 -0000	[thread overview]
Message-ID: <87zhcw8nvt.fsf@oldenburg2.str.redhat.com> (raw)
In-Reply-To: <CADmoyEiiCOqjvkydY+OQUN+hVBKidLXDc7A4o+fZgRj3meUAYw@mail.gmail.com>	(Maxim Blinov's message of "Tue, 3 Mar 2020 14:52:45 +0000")

* Maxim Blinov:

> I'm looking at some -fstack-check'ed code, and would appreciate it if
> some gdb x86_64 gurus could double check my understanding of a trivial
> example

What's your motivation for this?  -fstack-check is mostly there to
support certain Ada uses, yet you post a C snippet.

The more generally useful stack overflow detection switch is called
-fstack-clash-protection.

Thanks,
Florian


      parent reply	other threads:[~2020-03-04  9:36 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-03 14:53 Maxim Blinov
2020-03-03 16:51 ` Ruslan Kabatsayev
     [not found]   ` <CADmoyEgaCKp3nNg1Yw_8R2QDhEpd3cuaTSFDNFzSiesqerwrWQ@mail.gmail.com>
2020-03-03 18:43     ` Fwd: " Maxim Blinov
2020-03-03 20:03       ` Ruslan Kabatsayev
2020-03-04  9:36 ` Florian Weimer [this message]

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