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Re: [PATCH 1/5] Use protected visibility for _rtld_global and _rtld_global_ro
- From: Richard Henderson <rth at twiddle dot net>
- To: Peter Collingbourne <pcc at google dot com>
- Cc: libc-alpha at sourceware dot org
- Date: Mon, 13 May 2013 09:31:01 -0700
- Subject: Re: [PATCH 1/5] Use protected visibility for _rtld_global and _rtld_global_ro
- References: <1368459372-2415-1-git-send-email-pcc at google dot com> <1368459372-2415-2-git-send-email-pcc at google dot com>
On 05/13/2013 08:36 AM, Peter Collingbourne wrote:
> _rtld_local was created back in 2002 (see commit 0d01dac), and the
> protected attribute removed on _rtld_global, for an undocumented
> reason...
Protected visibility requires more runtime overhead in the dynamic linker.
r~