[OE-core] [PATCH 00/29] Add gobject introspection support to oe-core

[Ricardo Ribalda Delgado]

Hello Alexander

Can you point to a .git file with architecture-dependent data.

I would love to help on this issue. I want to use the python api for gstream.

Thanks



On Wed, Nov 11, 2015 at 2:48 PM, Alexander Kanavin
<alexander.kanavin at linux.intel.com> wrote:
> On 11/11/2015 03:34 PM, Mark Hatle wrote:
>
>> Also has anyone looked at the .typelib information and determined if any
>> of it
>> is available via direct inspection via readelf, dwarf interpretation or
>> other
>> method that does not require execution?  Is there a definition of the
>> .typelib
>> information anywhere and some simple examples of how its generated by the
>> runtime objects?  (To pursue this, the way forward is to determine a way
>> to
>> generate the .typelib by reading the chosen binaries in some way -- and
>> then
>> running a 'ptest' like check that the generated and runtime versions
>> result in
>> the same data.)
>
>
> You can simply take a look at any of the .gir files: they are XMLs that are
> used to generate typelibs and contain essentially the same information.
>
> I think it's totally unrealistic to extract all the high-level OOP semantics
> from .so libraries with readelf and friends.
>
> For instance, gstreamer pipelines:
>
>
>     <class name="Bin"
>            c:symbol-prefix="bin"
>            c:type="GstBin"
>            parent="Element"
>            glib:type-name="GstBin"
>            glib:get-type="gst_bin_get_type"
>            glib:type-struct="BinClass">
>       <implements name="ChildProxy"/>
>       <constructor name="new" c:identifier="gst_bin_new">
>         <return-value transfer-ownership="none">
>           <type name="Element" c:type="GstElement*"/>
>         </return-value>
>         <parameters>
>           <parameter name="name"
>                      transfer-ownership="none"
>                      nullable="1"
>                      allow-none="1">
>             <doc xml:space="preserve">the name of the new bin</doc>
>             <type name="utf8" c:type="const gchar*"/>
>           </parameter>
>         </parameters>
>       </constructor>
>       <virtual-method name="add_element">
>         <return-value transfer-ownership="none">
>           <type name="gboolean" c:type="gboolean"/>
>         </return-value>
>         <parameters>
> ...
>
> etc etc etc.
>
>
>
> Alex
>
> --
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-- 
Ricardo Ribalda