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Re: [PATCH] xen: add support for crash dump analysis with xen.efi
- To: Juergen Gross <jgross@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Mon, 24 Apr 2023 16:09:36 +0200
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Mon, 24 Apr 2023 14:09:53 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 24.04.2023 15:44, Juergen Gross wrote:
> On 24.04.23 14:01, Jan Beulich wrote:
>> Finally - do you really need to copy all the non-debug sections as well?
>> Might --only-keep-debug be helpful here (provided it works for a PE/COFF
>> -> ELF copy operation; it looks to do so in my simple experiments)?
>
> No, doesn't work (objcopy does, but not crash with that file):
>
> crash: xen.efi.elf: no text and data contents
Oh, wow. What use do they have for the .text / .data contents? I very much
hope they use the in-memory Xen image for analysis, not what they may read
out of the image.
In any event, please add half a sentence to the description to mention
this aspect.
Jan
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