linux-kernel - [PATCH] ptrace GET/SET FPXREGS broken

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Message-Id: <20080630.134445.193700135.takada@mbf.nifty.com>
Date:	Mon, 30 Jun 2008 13:44:45 +0900 (JST)
From:	TAKADA Yoshihito <takada@....nifty.com>
To:	linux-kernel@...r.kernel.org
Subject: [PATCH] ptrace GET/SET FPXREGS broken

Hi
When I update kernel 2.6.25 from 2.6.24, gdb does not work.
On 2.6.25, ptrace(PTRACE_GETFPXREGS, ...) returns ENODEV.
But 2.6.24 kernel's ptrace() returns EIO.
It is issue of compatibility.
I attached test program as pt.c and patch for fix it.

View attachment "pt.c" of type "Text/Plain" (1077 bytes)

View attachment "fxsr.patch" of type "Text/Plain" (418 bytes)