Does the LD --wrap feature work for library internal references?
Sebastian Huber
sebastian.huber@embedded-brains.de
Mon Jan 14 09:41:00 GMT 2019
On 10/01/2019 20:04, Joel Sherrill wrote:
>
>
> On Thu, Jan 10, 2019, 8:05 AM Alan Modra <amodra@gmail.com
> <mailto:amodra@gmail.com> wrote:
>
> On Thu, Jan 10, 2019 at 02:48:16PM +0100, Sebastian Huber wrote:
> > So this wrapping works only across object files and not
> > for references inside an object file.
>
> Yes. If a reference is to a function defined in the same file you
> don't have an undefined symbol for the given function in that file.
>
>
> And per function section compilation and linking have no impact on
> that? Shouldn't there be more reference tracking with that enabled?
>
> Sebastian.. I thought we used per function compilation everywhere.
> Even in the network stack.
Yes, I used -ffunction-sections.
--
Sebastian Huber, embedded brains GmbH
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