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Re: [PATCH]: hurd: Do not hide rtld symbols which need to be preempted [Was: hurd: Hidden symbols in rtld]
- From: Samuel Thibault <samuel dot thibault at ens-lyon dot org>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: GNU C Library <libc-alpha at sourceware dot org>
- Date: Sun, 20 Mar 2016 18:31:24 +0100
- Subject: Re: [PATCH]: hurd: Do not hide rtld symbols which need to be preempted [Was: hurd: Hidden symbols in rtld]
- Authentication-results: sourceware.org; auth=none
- References: <20160320164214 dot GA21096 at var dot home> <20160320170528 dot GO3635 at var dot home> <CAMe9rOrdbuCbsFB_zY+1ffiq01rLStYey1-qeHEsv_850-Akzw at mail dot gmail dot com>
H.J. Lu, on Sun 20 Mar 2016 10:14:40 -0700, wrote:
> >> Is __access perhaps missing in the list? There is a weak
> >> definition for __access in dl-sysdep.c.
[...]
> It is not about weak nor not. By default, there is no difference
> between weak defined symbol and non-weak defined symbols
> at run-time.
Ah, right.
> The question should be asked is if __access in dl-sysdep.c can
> be used in ld.so after bootstrap on Hurd.
Ok. It seems it's only used in dl_main and in process_envvars only
called by dl_main, so it should be fine, right?
About __open, it's definitely used for dlopen() :)
Thanks,
Samuel