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Re: Linker Bug or Design Intent (Absolute symbols in zero sized sections)
On Thu, Oct 12, 2006 at 01:13:41PM +0930, Alan Modra wrote:
> > Against emitting empty sections speaks both that it is a wasted space
> > in section header table/.shstrtab, but more importantly that empty
> > sections are an endless source of bugs
>
> Agreed.
>
> If we are to remove them, then
> a) Detecting a symbol assignment in a linker script should result in the
> section alignment and vma being honoured.
Not sure what are we doing ATM here.
> b) All the ELF backends will need changes so that removed output section
> syms are never used when emitting relocs. At the same time, we may
> as well just use one section sym for all relocs (or two for targets
> that might want to relocate the data segment separately from the text
> segment).
Sure.
> c) _bfd_fix_excluded_sec_syms should be changed to not create absolute
> syms.
And instead have the nearest section in the same loadable segment in
st_shndx?
Jakub