Re: [PATCH v4 01/15] objtool: Add CONFIG_CFI_CLANG support

Sami Tolvanen
2021-10-06T16:19:10Z

On Tue, Oct 5, 2021 at 8:36 PM Josh Poimboeuf <jpoimboe@redhat.com> wrote:
>
> On Thu, Sep 30, 2021 at 11:05:17AM -0700, Sami Tolvanen wrote:
> > With CONFIG_CFI_CLANG, the compiler replaces function references with
> > references to the CFI jump table, which confuses objtool. This change,
> > based on Josh's initial patch [1], goes through the list of relocations
> > and replaces jump table symbols with the actual function symbols.
> >
> > [1] https://lore.kernel.org/r/d743f4b36e120c06506567a9f87a062ae03da47f.1611263462.git.jpoimboe@redhat.com/
>
> I found the original patch description to be much more useful than this
> one ;-)

Sure, I'll just copy that for the next version.

Sami