[Bug tools/21332] elflint doesn't handle compressed sections

mark at klomp dot org sourceware-bugzilla@sourceware.org
Thu Mar 30 12:44:00 GMT 2017


https://sourceware.org/bugzilla/show_bug.cgi?id=21332

--- Comment #3 from Mark Wielaard <mark at klomp dot org> ---
(In reply to rguenther from comment #2)
> On Thu, 30 Mar 2017, mark at klomp dot org wrote:
> > The question is how did a compressed ELF section end up in the elfstrmerge.o
> > file in the first place? Especially since it apparently isn't in the resulting
> > EXE file. Seems somehow the ET_REL file got created with a compressed ELF
> > section, but then the linker fixed things up again?
> 
> Recent GAS versions compress debug sections by default (but ld then
> uncompresses again for the final exe).  Supposedly to improve I/O.

That seems like a stupid default. Were there any benchmarks showing the extra
compressing/decompressing cycle actually help? I am sure eu-elflint isn't the
only program that cannot handle compressed ELF sections by default.

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