PING: PATCH: Use libc_ifunc_hidden_def in x86_64/gettimeofday.c

Andreas Jaeger aj@suse.com
Wed Jan 2 08:36:00 GMT 2013


On 12/31/2012 05:44 PM, H.J. Lu wrote:
> On Fri, Dec 14, 2012 at 9:22 AM, H.J. Lu <hongjiu.lu@intel.com> wrote:
>> Hi,
>>
>> This patch uses libc_ifunc_hidden_def x86_64/gettimeofday.c.  OK for
>> 2.18?

Please explain next time why this is needed, this makes reviewing so 
much easier - and easy reviews are quick ;)

>> Thanks.
>>
>>
>> H.J.
>> 2012-12-14  H.J. Lu  <hongjiu.lu@intel.com>
>>
>>          * sysdeps/unix/sysv/linux/x86_64/gettimeofday.c: Use
>>          libc_ifunc_hidden_def.
>> diff --git a/sysdeps/unix/sysv/linux/x86_64/gettimeofday.c b/sysdeps/unix/sysv/linux/x86_64/gettimeofday.c
>> index d52f938..9af9316 100644
>> --- a/sysdeps/unix/sysv/linux/x86_64/gettimeofday.c
>> +++ b/sysdeps/unix/sysv/linux/x86_64/gettimeofday.c
>> @@ -36,11 +36,7 @@ gettimeofday_ifunc (void)
>>   }
>>   asm (".type __gettimeofday, %gnu_indirect_function");
>>
>> -/* This is doing "libc_hidden_def (__gettimeofday)" but the compiler won't
>> -   let us do it in C because it doesn't know we're defining __gettimeofday
>> -   here in this file.  */
>> -asm (".globl __GI___gettimeofday\n"
>> -     "__GI___gettimeofday = __gettimeofday");
>> +libc_ifunc_hidden_def (__gettimeofday)
>>
>>   #else
>>

This is fine since gettimeofday uses ifunc,

Andreas
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  Andreas Jaeger aj@{suse.com,opensuse.org} Twitter/Identica: jaegerandi
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