Re: [Proposal] Load module symbols from main program

[Xavier Wang <weasley.wx@...>]

2016-04-23 16:23 GMT+08:00 Karel Tuma <kat@lua.cz>:
> Excerpts from William Ahern's message of 2016-04-23 00:46:14 +0200:
>>   object files consisting of the original program image file, any executable
>>                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> In practice, most implementations return NULL and dlsym(NULL, ...) works
> to the same effect. The main issue is that linkers don't preserve global
> symbols of main executable unless specifically instructed to do so.
>

I don't know other systems. but you can just compile like Makefile in
lua itself. it's a single executable, and exported all dynamic
symbols.

I looked into lua's build system, and it use -Wl,-E in linux, and
directly build in Mac OS X, use the same flags will work.

-- 
regards,
Xavier Wang.