Re: GOLD linker and arm-none-symbianelf

[Marian Kechlibar <marian dot kechlibar at circletech dot net>]

I must admit that I am not well-versed in the ELF format; I think that
there must be some difference between "elf" and "symbianelf", though.

Daniel Jacobowitz of Code Sourcery, who used to maintain the CSL ARM
Toolchains, probably knows better.

M.

Dne 20.2.2017 v 19:44 Ian Lance Taylor via binutils napsal(a):
> On Mon, Feb 20, 2017 at 9:16 AM, Marian Kechlibar
> <marian.kechlibar@circletech.net> wrote:
>>
>> although Symbian OS is practically dead in the commercial world, I still
>> have to support several hundred Symbian OS - based clients.
>>
>> Recently, I successfully built binutils 2.27 for target
>> arm-none-symbianelf. It works. But I cannot build "gold" for this
>> target, only "ld". It seems that the target platform is not supported.
>>
>> I can build gold for linux from the same sources just fine.
>>
>> Is really gold unusable on arm-none-symbianelf?
>>
>> If I still wanted to build gold for arm-none-symbianelf, what edits do I
>> have to do in config/makefiles in order to get the system to build the
>> binary?
> 
> What is different between arm-none-elf and arm-none-symbianelf, and
> how do does differences affect the linker?
> 
> If there is no effect on the linker then you probably just need to
> edit the handling of ENABLE_GOLD in the top-level configure.ac to
> recognize "symbianelf" as identical to "elf".
> 
> Looking at ld/emulparams/armsymbian.sh, though, and comparing it to
> ld/emulparams/armelf.sh, it looks like some special symbols may need
> to be defined.  That will require more work.
> 
> Ian
>