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From: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
To: Jakub Jelinek <jakub@redhat.com>
Cc: "H.J. Lu" <hjl.tools@gmail.com>,  Jack Howarth <howarth.at.gcc@gmail.com>,  GCC Patches <gcc-patches@gcc.gnu.org>,  Uros Bizjak <ubizjak@gmail.com>
Subject: Re: PATCH] PR target/65612: Multiversioning doesn't work with DSO nor PIE
References: <20150330022527.GA4148@gmail.com>	<CAMe9rOrUpMmt8XyqO9fXZB-Bn+tRs-AKHTaQzu7jeGCZFXen8g@mail.gmail.com>	<CAMe9rOp_LfJ8C4Xh4NoRD=rTutNCeqwN_OV=8+c5rFfnRHbV_g@mail.gmail.com>	<CAMe9rOrGCRJhWpNT0hMJwKCG2+vaDsaRou7JV0tdjiANnmRm=g@mail.gmail.com>	<CAJMcOU8nON6S=+be8C94F_tB8-VPCusa8VrEq_f5P2PZCdk7vg@mail.gmail.com>	<CAMe9rOo2ORmyvndySKr3vzEQmZScpKQfnVVw7HW94BXvPFJqdQ@mail.gmail.com>	<20150331053855.GB2121@tucnak.redhat.com>
Date: Tue, 31 Mar 2015 06:20:00 -0000
In-Reply-To: <20150331053855.GB2121@tucnak.redhat.com> (Jakub Jelinek's	message of "Tue, 31 Mar 2015 07:38:55 +0200")
Message-ID: <ydda8ytlmd7.fsf@CeBiTec.Uni-Bielefeld.DE>
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Jakub Jelinek <jakub@redhat.com> writes:

>> @@ -424,3 +424,8 @@ __cpu_indicator_init (void)
>>  
>>    return 0;
>>  }
>> +
>> +#if defined SHARED && !defined _WIN32
>> +__asm__ (".symver __cpu_indicator_init, __cpu_indicator_init@GCC_4.8.0");
>> +__asm__ (".symver __cpu_model, __cpu_model@GCC_4.8.0");
>> +#endif
>
> Will this work on Solaris?
> I'd say you at least want to also guard with some configure check if
> .symver is supported by assembler.

This will never work on Solaris: even if the assembler supports .symver,
ld.so.1 never will.

	Rainer

-- 
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University