Re: [gentoo-dev] Split ELF Debug (default or not?)

[Ned Ludd]

On Sun, 2005-11-27 at 10:53 +0100, Kevin F. Quinn wrote:
> On 26/11/2005 13:55:25, Ned Ludd (solar@g.o) wrote:
> > On Sat, 2005-11-26 at 19:30 +0100, Bruno wrote:
> >
> > > What's the advantage of splitting out the debug info to some extra
> > > location instead of leaving it in the original binary (maybe smaller
> > > foot-print in memory while the debugging info is not used),
> >
> > Yes exactly a stripped binary will occupy less space in RAM.
>
> I may be wrong, but I don't think this is true.  As I understand it,
> debug sections aren't part of the PT_LOAD segments so the loader won't
> load them into memory.

See the objcopy manpage. Look for the --only-keep-debug section.
The entire elf has to be mmaped before individual sections are mapped.


-- 
Ned Ludd <solar@g.o>
Gentoo Linux

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