RFC: Support linker --compress-debug-sections

[H.J. Lu]

On Thu, Jul 22, 2010 at 6:41 AM, Jakub Jelinek <jakub@redhat.com> wrote:
> On Thu, Jul 22, 2010 at 06:23:41AM -0700, Ian Lance Taylor wrote:
>> "H.J. Lu" <hjl.tools@gmail.com> writes:
>>
>> > linker now supports compressed debug sections. I am
>> > investigating --compress-debug-sections, On one hand,
>> > linker applies relocations when writing to disk after file layout
>> > is set.  On the other hand, compression, which has to be
>> > done after all relocations are applied, will change file layout.
>> >
>> > I don't want to make massive changes to linker. I am planning
>> > to put a mini objcopy in linker, which will compress debug
>> > sections after the output has been written to disk.  Any
>> > comments?
>>
>> You're proposing to generate the full sized binary on disk, and then
>> objcopy it to compress the debug sections?  Is that really a win?  Why
>> not just add the option to objcopy and be done with it?
>
> Or just let the user strip to separate file and compress the *.debug
> file using whatever method he prefers.
>

Works for me. I won't implement "ld --compress-debug-sections".

-- 
H.J.