llvm dev - May 2017 - Missing symbol __executable_start on Android when linking with LLD

Android libc casts its address to the elf header type. So I think start of text?

Rafael Avila de Espindola <rafael.espindola at gmail.com> schreef op 30
mei 2017 20:51:19 CEST:
>It is missing from lld.
>
>Do you know what it should point to? The first executable PT_LOAD?
>
>Thanks,
>Rafael
>
>Carlo Kok via llvm-dev <llvm-dev at lists.llvm.org> writes:
>
>> When linking a project with lld, the android libc links to
>> __executable_start
>> which isn't defined when linking with lld (tried on x86), but is
when
>> linking with gnu ld it seems. 
>>
>> I tried:
>>
>> .globl	__executable_start
>> __executable_start = __ehdr_start
>>
>> as a workaround but seems to be ignored.
>>
>> Anyone know a better workaround?
>>
>> Thanks,
>>
>> --
>> Carlo Kok
>> RemObjects Software
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
-- 
Carlo Kok
RemObjects Software 
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Carlo Kok <ck at remobjects.com> writes:
> Android libc casts its address to the elf header type. So I think start of
text?
Can you give https://reviews.llvm.org/D33700 a try?

Cheers,
Rafael

On Tue, 30 May 2017 15:53:48 -0700
Rafael Avila de Espindola <rafael.espindola at gmail.com> wrote:
> Carlo Kok <ck at remobjects.com> writes:
> 
> > Android libc casts its address to the elf header type. So I think
> > start of text?  
> 
> Can you give https://reviews.llvm.org/D33700 a try?
links fine now! thanks. I'm still a bit off for this code path to
actually hit, so I can't tell yet if it does what it's supposed to do.

--
Carlo Kok
RemObjects Software