Re: dl_iterate_phdr(3) include the ELF loader

[Jason Thorpe <thorpej%me.com@localhost>]

> On Sep 10, 2019, at 7:40 PM, Kamil Rytarowski <n54%gmx.com@localhost> wrote:
> 
> On 10.09.2019 18:24, Joerg Sonnenberger wrote:
>> On Tue, Sep 10, 2019 at 05:42:41PM +0200, Kamil Rytarowski wrote:
>>> dl_iterate_phdr(3) as of now skips the ELF loader.
>> 
>> I find that to be sensible behavior, so why not start by descriping why
>> it is a problem?
>> 
>> Joerg
>> 
> 
> dl_iterate_pthr(3) is/was Linux-specific function and we break compat
> with it (but I skip .Sh HISTORY entry whether Linux was really the first
> user).
> 
> All tested ELF OSs except NetBSD return the ELF loader as DSO.

If there are N operating systems that have this function, and N-1 behave one way, then it seems logical that the odd-ball should conform, for the benefit of 3rd-party users of the API.

-- thorpej