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Re: Don't add DT_DEBUG to MIPS shared libraries


David Daney <ddaney@avtrex.com> writes:
> Richard Sandiford wrote:
>> bfd/
>> 	* elfxx-mips.c (_bfd_mips_elf_size_dynamic_sections): Add DT_DEBUG
>> 	and DT_MIPS_RLD_MAP tags for position-independent executables.
>> 	Do not add DT_DEBUG to shared libraries for any MIPS target.
>> 
>> ld/testsuite/
>> 	* ld-mips-elf/multi-got-1.d: Remove DT_DEBUG tag.  Do not require
>> 	a specific file offset for .dynamic.  Reduce DT_HASH by 8 to account
>> 	for removed tag.
>> 	* ld-mips-elf/tls-multi-got-1.r: Likewise.  Also reduce DT_REL by 8.
>> 	Reduce PLTGOT and symbol values by 16 to account for the removed tag.
>> 	* ld-mips-elf/textrel-1.d: Remove DT_DEBUG tag.
>> 	* ld-mips-elf/rel32-n32.d: Reduce addresses by 16 to account for
>> 	removed DT_DEBUG tag.
>> 	* ld-mips-elf/rel64.d: Likewise.
>> 	* ld-mips-elf/tls-multi-got-1.got: Likewise.
>> 	* ld-mips-elf/tlslib-o32-hidden.got: Likewise.
>
> This may break libgcj.  I think the boehm-gc uses DT_DEBUG in libgcj.so.

Doh!  Thanks for the heads-up.  I was completely unaware of this
potential issue.

> Really I think it is a good idea as I would very much like to to 
> pre-linking.  On the off chance that it does break libgcj, I will fix it.

That's great, thanks. ;)

Richard


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