Messages in this thread | | | Date | Thu, 14 Feb 2013 10:05:45 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86: make PTRACE_GETREGSET return 32-bit regs if 64-bit process entered kernel with int 80 |
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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, >> https://lkml.org/lkml/2012/1/18/320 >>
One proposal that keeps being on the table is to export a regset with metadatam, including process mode at launch (i386, x86-64, x32).
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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