https://issues.dlang.org/show_bug.cgi?id=15060

--- Comment #11 from ponce <aliloko@gmail.com> ---
:X Thanks!!! can't believe I forgot that.

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https://issues.dlang.org/show_bug.cgi?id=15060

--- Comment #12 from bitwise <nicolas.jinchereau@gmail.com> ---
(In reply to Jacob Carlborg from comment #10)
> (In reply to ponce from comment #9)
> > If this need back-end support, maybe Walter could implement global ctor/dtor like in LDC?
> 
> DMD already does what's necessary for ELF (Linux, FreeBSD). Just do the same
> for Mach-O and OS X.

>> DMD already does what's necessary for ELF (Linux, FreeBSD). Just do the same
>> for Mach-O and OS X.

That's easier said than done ;)

Making druntime compile as a shared lib and making it support multiple images is the easy part. Modifying DMD to output the ctors/dtors properly is much more difficult than it sounds.

The current solution outputs the ctors/dtors by manually outputting byte codes: https://github.com/D-Programming-Language/dmd/blob/master/src/backend/elfobj.c#L3183

This is why I was saying we should just add some(or one special one) pragmas that will allow this to be done in the front end.

>> @bitwise: how much would you take to do it? :))

Wish I knew how =/

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https://issues.dlang.org/show_bug.cgi?id=15060

--- Comment #13 from Jacob Carlborg <doob@me.com> ---
(In reply to bitwise from comment #12)
> (In reply to Jacob Carlborg from comment #10)
> >> DMD already does what's necessary for ELF (Linux, FreeBSD). Just do the same
> >> for Mach-O and OS X.
> 
> That's easier said than done ;)

:)

> This is why I was saying we should just add some(or one special one) pragmas that will allow this to be done in the front end.

I don't think this can be completely done in the front end. The code (or that function) that should be run as a global ctor/dtor need to be placed in a special segment/section, if I recall correctly.

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https://issues.dlang.org/show_bug.cgi?id=15060

--- Comment #14 from bitwise <nicolas.jinchereau@gmail.com> ---
(In reply to Jacob Carlborg from comment #13)
> (In reply to bitwise from comment #12)
> > (In reply to Jacob Carlborg from comment #10)
> > >> DMD already does what's necessary for ELF (Linux, FreeBSD). Just do the same
> > >> for Mach-O and OS X.
> > 
> > That's easier said than done ;)
> 
> :)
> 
> > This is why I was saying we should just add some(or one special one) pragmas that will allow this to be done in the front end.
> 
> I don't think this can be completely done in the front end. The code (or that function) that should be run as a global ctor/dtor need to be placed in a special segment/section, if I recall correctly.

Right, which is why I am recommending the special pragmas(or pragma).

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https://issues.dlang.org/show_bug.cgi?id=15060

--- Comment #15 from bitwise <nicolas.jinchereau@gmail.com> ---
(In reply to bitwise from comment #14)
> (In reply to Jacob Carlborg from comment #13)
> > [...]
>
> Right, which is why I am recommending the special pragmas(or pragma).

Basically, we need these:

pragma(attribute, weak)
pragma(visibility, hidden)
pragma(section, "__mod_init_func");
pragma(section, "__mod_term_func");

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https://issues.dlang.org/show_bug.cgi?id=15060

Iain Buclaw <ibuclaw@gdcproject.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P1                          |P2

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