[Bug ld/24576] Feature request: error out when passed the same linker script with -T and as an object file

[nickc at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=24576

Nick Clifton <nickc at redhat dot com> changed:

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                 CC|                            |nickc at redhat dot com

--- Comment #1 from Nick Clifton <nickc at redhat dot com> ---
(In reply to Julius Werner from comment #0)
Hi Julius,

> I don't think there could ever be a valid use case where you'd want to pass
> the same file as an argument to -T and as an augment linker script later on,
> so could you just add a check to error out somewhere if that happens? That
> could save the people running into this a lot of headache.

This seems like a reasonable request.  Would you like to have a go at
implementing the idea yourself and submitting a patch ?  [A not so 
subtle attempt to get a new contributor interested in the binutils...]

You could record the name of the last linker script parsed with the
-T option by adding code to ld/lexsup.c:parse_args(), and then check
it against the filenames that are processed by ld/ldfile.c:ldfile_try_open_bfd.
If you are feeling particularly clever you could record *all* of the
filenames used with -T as there could be multiple instances of it.

Cheers
  Nick

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