From: pageexec@freemail.hu
To: "Hanson, Jonathan M" <jonathan.m.hanson@intel.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: RE: KSTK_EIP and KSTK_ESP
Date: Mon, 08 Nov 2004 19:56:26 +0100 [thread overview]
Message-ID: <418FCF6A.4368.2314122E@localhost> (raw)
In-Reply-To: <C863B68032DED14E8EBA9F71EB8FE4C20542D290@azsmsx406>
> Shouldn't the ESP value pointed to by KSTK_ESP() point to the beginning of
> the pt_regs structure for the user space application?
first of all, anything can be on the userland stack at the time the
app issued a syscall. but you don't have to bother with the userland
stack at all, pt_regs is created on the kernel stack, check out the
SAVE_ALL macro (and its uses) in arch/i386/kernel/entry.S .
next prev parent reply other threads:[~2004-11-08 18:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-08 17:36 KSTK_EIP and KSTK_ESP Hanson, Jonathan M
2004-11-08 18:56 ` pageexec [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-11-05 23:13 Hanson, Jonathan M
2004-11-06 12:54 ` Arjan van de Ven
2002-02-08 21:08 Balbir Singh
2002-02-08 20:36 Balbir Singh
2002-02-08 20:55 ` David S. Miller
2002-02-11 6:20 ` Albert D. Cahalan
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