[RFC,GAS]Propose to emit the attribute section after relaxation

[Terry Guo]

On Fri, Sep 19, 2014 at 9:55 AM, Terry Guo <flameroc@gmail.com> wrote:
> On Thu, Sep 18, 2014 at 10:49 PM, Alan Modra <amodra@gmail.com> wrote:
>> On Thu, Sep 18, 2014 at 04:42:45PM +0800, Terry Guo wrote:
>>> On Thu, Sep 18, 2014 at 4:15 PM, Alan Modra <amodra@gmail.com> wrote:
>>> > That sounds reasonable.  What you've done in the patch though is put
>>> > the create_obj_attrs_section call later than relax_seg, after
>>> > size_seg.  Is there a reason you can't call create_obj_attrs_section
>>> > immediately after the relax_seg loop?
>>>
>>> There are two reasons for this. [snip]
>>
>> The only real reason to put create_obj_attrs_section immediately after
>> the relax_seg loop is if at some stage someone wants to put symbols in
>> the obj_attrs section and then refer to them in expressions from
>> another section.  For example, someone might want obj_attr_start and
>> obj_attr_end symbols, and use them to put the size of the obj_attr
>> section into a data word.  Doing that sort of thing would mean
>> integrating create_obj_attrs_section into the relax_seg loop, a task
>> made a little easier if create_obj_attrs_section was just after the
>> loop.  I think that is unlikely, so the patch is OK as is.
>>
>> --
>> Alan Modra
>> Australia Development Lab, IBM
>
> Many thanks for comments. I will wait for one week to see if there is
> more comments. If no more comments and objections, I will go ahead to
> commit it.
>
> BR,
> Terry

Since there is no objection, I committed patch at
d98b0e2bf6120f50db57ff68eb9b2e00a9a26154.

BR,
Terry