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Re: Restricting symbol binding within shared object

From: Ian Lance Taylor <iant at google dot com>
To: Arindam <arindam dot mukerjee at gmail dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Wed, 20 Aug 2008 13:23:03 -0700
Subject: Re: Restricting symbol binding within shared object
References: <d85a51ff0808190837n3a30ab98ld21257f1471f499d@mail.gmail.com> <m33al17xd7.fsf@google.com> <d85a51ff0808201230w78c1bb0axf19a1b443088a79b@mail.gmail.com>

Arindam <arindam.mukerjee@gmail.com> writes:

>> With a newer version of gcc you can use visibility attributes.  That
>> is probably your best approach here.
>>
>> http://gcc.gnu.org/onlinedocs/gcc-4.3.0/gcc/Function-Attributes.html#Function-Attributes
>>
>> search for
>>    visibility ("visibility_type")
>>
>
> Cool ... so this mimics the Windows __declspec(dllexport) kind of
> declarations. I know that newer versions of Sun Studio have
> essentially the same functionality (albeit with a less obnoxious
> syntax). I need to figure out if aCC on HP-UX has something similar
> too. Is this a new thing on ELF format?

It works for Mach-O (used on Mac OS) as well.

Ian

References:
- Restricting symbol binding within shared object
  - From: Arindam
- Re: Restricting symbol binding within shared object
  - From: Ian Lance Taylor
- Re: Restricting symbol binding within shared object
  - From: Arindam

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