[PATCH 02/12] Do not stack-protect ifunc resolvers.
Florian Weimer
fweimer@redhat.com
Thu Dec 15 12:58:00 GMT 2016
On 12/15/2016 01:34 PM, Nick Alcock wrote:
> On 15 Dec 2016, Florian Weimer verbalised:
>
>> On 11/28/2016 01:32 PM, Nix wrote:
>>> diff --git a/config.h.in b/config.h.in
>>> index 1b58612..b42c4d8 100644
>>> --- a/config.h.in
>>> +++ b/config.h.in
>>> @@ -48,6 +48,10 @@
>>> /* Define if compiler accepts -ftree-loop-distribute-patterns. */
>>> #undef HAVE_CC_INHIBIT_LOOP_TO_LIBCALL
>>>
>>> +/* Define if compiler accepts -fno-stack-protector in an
>>> + __attribute__((__optimize__)). */
>>
>> Space after __attribute__; at least that's the current style.
>
> OK. (But note that there is another instance of this problem elsewhere
> in the same file, only a few lines above, in HAVE_SECTION_QUOTES: I
> was copying it, for consistency.)
Oh. Yes, the style has changed over the years. Previously, you needed
to look at the type of the preceding identifier to determine if a space
is inserted. __attribute__ was treated like a macro and did not trigger
insertion of a space.
>>> +#undef HAVE_CC_NO_STACK_PROTECTOR
>>> +
>>> /* The level of stack protection in use for glibc as a whole. */
>>> #undef STACK_PROTECTOR_LEVEL
>>
>> I don't have STACK_PROTECTOR_LEVEL in my sources, so this patch does not apply. Did you post the sequence in the right order?
>
> Ooof, patch 1 is missing due to a git commit ID foulup. This, of course,
> renumbers all the later patches -- but here it is anyway, so you can
> apply the series as a whole:
Okay, got it now. Initial build and test run of the whole series was
successful. Back to reviewing the patches Â…
Thanks,
Florian
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