Re: [PATCH] x86: make PTRACE_GETREGSET return 32-bit regs if 64-bitprocess entered kernel with int 80

From: H. Peter Anvin
Date: Thu Feb 14 2013 - 13:06:05 EST

On 02/14/2013 07:00 AM, Oleg Nesterov wrote:
On 02/14, Denys Vlasenko wrote:

Determining personality of a ptraced process is a murky area.
On x86, for years strace was looking at segment selectors,
which is conceptually wrong: see, for example,

One proposal that keeps being on the table is to export a regset with metadatam, including process mode at launch (i386, x86-64, x32).


H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.

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