linux-kernel - Re: ptrace (PTRACE_GETREGS, ...) discrepancy for x86 emulation on x86

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Message-ID: <je4pa45elw.fsf@sykes.suse.de>
Date:	Mon, 14 Apr 2008 23:08:27 +0200
From:	Andreas Schwab <schwab@...e.de>
To:	Christian Schmidt <lkml@...add.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: ptrace (PTRACE_GETREGS, ...) discrepancy for x86 emulation on x86_64?

Christian Schmidt <lkml@...add.de> writes:

> So GS is still set (somewhere), though not defined for userspace. Am I
> correct, and should I fix my includes? After uncommenting the "int xgs;"
> above the program works.

You are using the wrong structure.  The right one is struct
user_regs_struct defined in <sys/user.h>.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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