[PATCH] Copy x86_64 _mcount.op from _mcount.o

H.J. Lu hjl.tools@gmail.com
Fri Mar 4 16:46:00 GMT 2016


On Fri, Mar 4, 2016 at 8:02 AM, Paul Pluzhnikov <ppluzhnikov@google.com> wrote:
> On Fri, Mar 4, 2016 at 5:40 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>
>> Like this?
>>
>> --
>> H.J.
>> ---
>> diff --git a/sysdeps/x86_64/Makefile b/sysdeps/x86_64/Makefile
>> index 9fcadd8..788e4fc 100644
>> --- a/sysdeps/x86_64/Makefile
>> +++ b/sysdeps/x86_64/Makefile
>> @@ -7,6 +7,9 @@ endif
>>
>>  ifeq ($(subdir),gmon)
>>  sysdep_routines += _mcount
>> +# We cannot compile _mcount.S with -pg because that would create
>> +# recursive calls when ENTRY is used.  Just copy the normal static
>> +# object.
>>  sysdep_noprof += _mcount
>>  endif
>
> Looks good to me.
>
> Thanks,
> --
> Paul Pluzhnikov

Checked in:

commit 97f7112728fa6f5e2b30af4d085d5f4dedb2b89b
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Mar 4 08:44:43 2016 -0800

    Add a comment in sysdeps/x86_64/Makefile

    Mention recursive calls when ENTRY is used in _mcount.S.

      * sysdeps/x86_64/Makefile (sysdep_noprof): Add a comment.


-- 
H.J.



More information about the Libc-alpha mailing list