Messages in this thread | | | From | Roland McGrath <> | Subject | RE: [patch] x86: ptrace and core-dump extensions for xstate | Date | Wed, 3 Feb 2010 21:18:16 -0800 (PST) |
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> > Suresh's patch puts this value in the xsave block, in what Suresh calls > > "sw_usable_bytes". See the asm/ptrace-abi.h comment in the patch you > > signed off on. > > > > How is that not sufficient? If it is indeed not sufficient to usefully > > interpret the xsave block, then how could an xsave block in a core dump > > file ever possibly be examined if it might not have been generated on the > > same system and kernel where the debugger is doing the examination? If > > the NT_X86_XSTATE note as implemented in Suresh's patch is indeed not > > entirely self-contained in this way, then NAK on that new note format. > > > > I use it when reading core dump, which doesn't involve a system call. > I can analyze it on a totally different machine.
You did not answer any of my questions. Perhaps Suresh can be more helpful in explaining the situation.
Thanks, Roland
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