Re: [Xen-devel] [PATCH v1 1/3] libelf: Preserve log callback after elf_init

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Mon, Oct 05, 2015 at 04:36:43AM -0600, Jan Beulich wrote:
> >>> On 03.10.15 at 20:39, <konrad.wilk@xxxxxxxxxx> wrote:
> > The elf_init function uses the log callback to report
> > errors. But it also memsets the whole structure so the
> > log callback (if set) is wiped out!
> 
> Only if you set it before calling elf_init(), which - looking at all current
> in-tree users isn't intended.

Right? But if you are developing against how else would
you find out that you have issues?

As in, if elf_init can't process the virtual address it tries
to call efi_msg to tell me what I did wrong, but that will always
end up silently (at least on user-space code).

> 
> Jan
> 

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