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Re: Proposal for STT_GNU_IFUNC and R_*_IRELATIVE
On Tue, May 26, 2009 at 8:31 AM, Jan Beulich <JBeulich@novell.com> wrote:
>>>> "H.J. Lu" <hjl.tools@gmail.com> 26.05.09 16:39 >>>
>>2. How should locally defined symbols with the new type be handled?
>>
>>I don't see the fundamental difference between the new relocation and
>>the new DT_* tags. The end result is the same. If your OS doesn't support
>>them, the application will crash if they are used. I will propose a new
>>x86-64 psABI extension, which will be optional. If an OS supports
>>STT_GNU_IFUNC, it must support R_X86_64_IRELATIVE.
>
> The fundamental difference is that the new-relocation-type approach is
> not matching the general ELF idea, whereas the new dynamic-tag-approach
> fits well with other ELF definitions.
>
Relocation types are defined in the psABI. I don't see any problems
with R_X86_64_IRELATIVE.
--
H.J.