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Differential D9633

Fix broken visibility for symbols declared by DEFINE_AEABI_FUNCTION_ALIAS().
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Authored by mmel on Feb 16 2017, 1:08 PM.
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andrew
imp
ARM

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kib
dim
emaste
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rS313823: Pull in r285478 from upstream compiler-rt trunk (by Saleem Abdulrasool):
Summary

EFINE_AEABI_FUNCTION_ALIAS() macro uses '.set' directive for
declaration of aliased symbol. Unfortunately, '.set' doesn't
inherit visibility of base symbol, and macro don’t explicitly
sets visibility for aliased one.

Note: DEFINE_AEABI_FUNCTION_ALIAS() is used only for ARM,
so this change doesn't affect other architectures.

MFC after: 2 months

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mmel updated this revision to Diff 25268.Feb 16 2017, 1:08 PM
mmel retitled this revision from to Fix broken visibility for symbols declared by DEFINE_AEABI_FUNCTION_ALIAS()..
mmel updated this object.
mmel edited the test plan for this revision. (Show Details)
mmel added reviewers: kib, dim.
mmel set the repository for this revision to rS FreeBSD src repository - subversion.
mmel added a subscriber: ARM.
Herald added a subscriber: imp. · View Herald TranscriptFeb 16 2017, 1:08 PM
andrew added a reviewer: emaste.Feb 16 2017, 1:25 PM
andrew added a subscriber: andrew.

This should be sent upstream

dim edited edge metadata.Feb 16 2017, 8:49 PM

This is already done upstream slightly differently: https://reviews.llvm.org/rL285478

I will just import that revision instead. Since it is from upstream, I see no harm in MFC'ing it after 3 days.

Closed by commit rS313823: Pull in r285478 from upstream compiler-rt trunk (by Saleem Abdulrasool): (authored by dim). · Explain WhyFeb 16 2017, 9:04 PM
This revision was automatically updated to reflect the committed changes.
mmel added a comment.Feb 17 2017, 11:27 AM

Please, do not do it.
This must be MFCed together with r313866 or we broke all packages.
And I want little more time to be sure that r313866 is OK.

dim added a comment.Feb 17 2017, 7:12 PM
In D9633#199282, @meloun-miracle-cz wrote:

Please, do not do it.
This must be MFCed together with r313866 or we broke all packages.
And I want little more time to be sure that r313866 is OK.

Sure, just ping me when you need it MFC'd, or you can do it yourself if you like.

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contrib/
compiler-rt/
lib/
builtins/
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Diff 25268

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contrib/compiler-rt/lib/builtins/assembly.h

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