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Re: [PATCH] BZ #19590: Fixed build of shared objects that use libmvec.so functions
- From: Florian Weimer <fweimer at redhat dot com>
- To: Andrew Senkevich <andrew dot n dot senkevich at gmail dot com>
- Cc: libc-alpha <libc-alpha at sourceware dot org>
- Date: Wed, 10 Feb 2016 13:08:21 +0100
- Subject: Re: [PATCH] BZ #19590: Fixed build of shared objects that use libmvec.so functions
- Authentication-results: sourceware.org; auth=none
- References: <CAMXFM3tML81iuKQMKRU-T4Fw0+=sYk0q_BNavMGagt21VcYvzQ at mail dot gmail dot com>
On 02/10/2016 12:36 PM, Andrew Senkevich wrote:
> #define ALIAS_IMPL(alias, target) \
> ENTRY (alias); \
> - call target; \
> + call target@PLT; \
> ret; \
> END (alias)
This needs a comment why this cannot be a tail call (JMP).
Out of curiosity, why is it not possible to avoid this indirection? Why
is this logic required in libmvec_nonshared.a?
Florian