[PATCH] i386: Change offset of __private_ss to 0x30

[H.J. Lu]

On Wed, May 30, 2018 at 9:43 AM, Florian Weimer <fweimer@redhat.com> wrote:
> On 05/30/2018 04:49 PM, H.J. Lu wrote:
>>
>> diff --git a/sysdeps/i386/nptl/tls.h b/sysdeps/i386/nptl/tls.h
>> index 6c36e58e9c..afb71ce431 100644
>> --- a/sysdeps/i386/nptl/tls.h
>> +++ b/sysdeps/i386/nptl/tls.h
>> @@ -43,11 +43,16 @@ typedef struct
>>     int gscope_flag;
>>     int __glibc_reserved1;
>>     /* Reservation of some values for the TM ABI.  */
>> -  void *__private_tm[4];
>> +  void *__private_tm[3];
>>     /* GCC split stack support.  */
>>     void *__private_ss;
>> +  void *__glibc_reserved2;
>>   } tcbhead_t;
>
>
> What's the state of TM in GCC?  Has it already been removed?

libitm has its own issue:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85988

Fortunately, only the first 2 elements in __private_tm are used by
libitm.

-- 
H.J.