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Re: PR 18167, Relax PR 15228 protected visibility restriction
- From: Pedro Alves <palves at redhat dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: Binutils <binutils at sourceware dot org>
- Date: Fri, 27 Mar 2015 18:02:08 +0000
- Subject: Re: PR 18167, Relax PR 15228 protected visibility restriction
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On 03/27/2015 05:56 PM, H.J. Lu wrote:
> On Fri, Mar 27, 2015 at 10:39 AM, Pedro Alves <palves@redhat.com> wrote:
>> On 03/27/2015 05:25 PM, H.J. Lu wrote:
>>> On Fri, Mar 27, 2015 at 10:09 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>>>> On Fri, Mar 27, 2015 at 10:06 AM, Pedro Alves <palves@redhat.com> wrote:
>>>>>> If one of gcc, glibc or binutils isn't fixed, the program may misbehave.
>>>>>> I don't know how it be avoided at run-time with fixing all 3.
>>>>>
>>>>> I'm not really worried about gcc or binutils. Those are easy to
>>>>> update. The issue is picking a binary that was built against fixed
>>>>> gcc and binutils, and then running it on an system that happens to
>>>>> not have glibc fixed. That just seems like ABI breakage.
>>>>>
>>>>> How about emitting a reference to a symbol that only fixed glibc
>>>>> provides?
>>>>
>>>> It is easy to verify. Stay tuned.
>
> Yes, the program will misbehave if the run-time glibc isn't
> fixed.
OK. I'm a bit confused now. Are you going to try the idea
suggested above?
Thanks,
Pedro Alves
- References:
- PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction
- Re: PR 18167, Relax PR 15228 protected visibility restriction