linker file/section matching rules when using libraries

[Ian Lance Taylor]

"Nick Kelsey" <fsf@silicondust.com> writes:

> In the linker script, when writing section matching rules they follow the
> following form:
> 
> <filename> (<section name>)
> 
> For example:
> * (.text)
> * (.text.*)
> 
> The filename works if you specify the name of a .o file and either pass it
> on the command line or the .o file is available in the linker .o search
> path.
> 
> The problem is that our build process puts everything into lib files (.a)
> and the .o files are not available to the linker.
> 
> How do you specify either a lib file to match or ideally a file within a lib
> file (if that is possible)?

You can't pick a file out of an archive in a linker script.

If you name an archive, the mapping will be applied to every object in
the archive.  At least, that is how it is supposed to work.

Ian