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Re: [PATCH] ld/ld.texinfo: Do not constrain dynamic linker lazy binding behaviour.
Florian Weimer <email@example.com> writes:
> On 07/08/2016 02:28 PM, Andreas Schwab wrote:
>> Florian Weimer <firstname.lastname@example.org> writes:
>>> On 07/08/2016 03:44 AM, Carlos O'Donell wrote:
>>>> @item lazy
>>>> When generating an executable or shared library, mark it to tell the
>>>> -dynamic linker to defer function call resolution to the point when
>>>> -the function is called (lazy binding), rather than at load time.
>>>> -Lazy binding is the default.
>>>> +dynamic linker to defer function call resolution to a future time
>>>> +which may be as late as when the function is called (lazy binding),
>>>> +rather than at load time. Resolution functions for GNU indirect
>>>> +functions (STT_GNU_IFUNC) may be called one or more times during
>>>> +function call resolution. Lazy binding is the default.
>>> This implies that IFUNC resolver invocations are delayed as late as
>>> possible (right until a function call which needs the relocation). Is
>>> this something we want to guarantee?
>> The text says "may", so I don't see any guarantee.
> The “during function call resolution” part concerns me.
May be called. Or any other time.
Andreas Schwab, email@example.com
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