Re: Does the LD --wrap feature work for library internal references?

[Sebastian Huber <sebastian dot huber at embedded-brains dot de>]

On 10/01/2019 14:40, Alan Modra wrote:
> On Thu, Jan 10, 2019 at 02:12:53PM +0100, Sebastian Huber wrote:
> > On 10/01/2019 14:08, Alan Modra wrote:
> > > On Thu, Jan 10, 2019 at 01:14:22PM +0100, Sebastian Huber wrote:
> > > > from the documentation
> > > >
> > > > "Use a wrapper function for symbol. Any undefined reference to symbol will
> > > > be resolved to __wrap_symbol. Any undefined reference to __real_symbol will
> > > > be resolved to symbol. "
> > > Note "undefined reference".  The references you want wrapped should
> > > not be defined in the same file.
> > In my example there is a file "f.c":
> > There is also a "g.c":
> Not in the example you posted at
> https://sourceware.org/ml/binutils/2019-01/msg00022.html
>
> I modified your testcase to an example that works at
> https://sourceware.org/ml/binutils/2019-01/msg00070.html

Oh, sorry. I unpacked your attachment and thought it was just a copy of 
my original example. So this wrapping works only across object files and 
not for references inside an object file.

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