RPATH with multiple empty paths (e.g., ::::::::)

[Thiago Macieira]

Alexander Neundorf wrote:
>On Monday 04 August 2008, you wrote:
>> Alexander Neundorf wrote:
>
>...
>
>> >I tried in January, but didn't have success. Ok, I also didn't have a
>> > patch. There is now a feature request for it:
>> >http://sourceware.org/bugzilla/show_bug.cgi?id=5546
>>
>> You asked to modify DT tags in ELF binaries, which is quite a complex
>> operation.
>>
>> I meant asking to reserve space so that we could modify using chrpath
>> ourselves. Apple's ld has the option -headerpad_max_install_names so
>> that the otool tool can change the install names. We want the same
>> thing in ELF.
>
>Yes, that's what I asked for in my initial mail, then the binutils
> developers concluded that a generic feature for modifying DT tags would
> be much better: http://sourceware.org/ml/binutils/2008-01/msg00021.html

The generic solution still needs to have header padding. The ELF dynamic 
strings are part of the loaded executable image, so extending the size 
would require relinking.

So, once header padding is available, we can use chrpath, way before 
objcopy supports generic DT changing.
-- 
  Thiago Macieira  -  thiago (AT) macieira.info - thiago (AT) kde.org
    PGP/GPG: 0x6EF45358; fingerprint:
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