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Re: RFC: Support linker --compress-debug-sections
- From: Ian Lance Taylor <iant at google dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: Binutils <binutils at sourceware dot org>
- Date: Thu, 22 Jul 2010 06:23:41 -0700
- Subject: Re: RFC: Support linker --compress-debug-sections
- References: <AANLkTikA_Pxr1PaOflwT1aH2Q-gf4UgnjXFfXwmyA3yy@mail.gmail.com>
"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?
Ian