DWZ 0.14 released

Hannes Domani ssbssa@yahoo.de
Tue Mar 9 11:38:07 GMT 2021

 Am Dienstag, 9. März 2021, 10:10:47 MEZ hat Mark Wielaard <mark@klomp.org> Folgendes geschrieben:

> Hi Allan,
> On Tue, Mar 09, 2021 at 09:06:54AM +0100, Allan Sandfeld Jensen wrote:
> > Btw, question for gcc/binutils
> >
> > Any reason the work done by tools like dwz couldn't be done in the compiler or
> > linker? Seems a bit odd to have a post-linker that optimizes the generated
> > code, when optimizations should already be enabled.
> dwz does two kinds of optimization. First it attempts to optimize the
> DWARF debugging information for a given object (executable or shared
> library). Secondly it tries to put shared pieces of a list of given
> objects into a supplemental file that gets referenced from all the
> given object files.
> Technically the first optimization could be done by the linker. But
> the second optimization is really a post-linker step.

Related question: If it were part of binutils, maybe it could be adapted to
optimize DWARF debugging information of PE files as well.


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