Re: [Gc] Problems with Emscripten

Git master branch contains support for Emscrpten contributed by Jonathan Chambers.
-- вторник, 29 сентября 2015г., 20:52 +03:00 от Bruce A Henderson < [email protected]> :

>Hi,
>
>I have created a C-language generator (  https://github.com/bmx-ng ) for 
>the programming language BlitzMax (  http://www.blitzmax.com ) in order 
>to support more platforms.
>It successfully uses the Boehm GC on all currently targeted platforms 
>and architectures (OSX, iOS, Android, Windows, Linux, Pi), except that 
>is for Emscripten, where everything falls apart.
>
>It appears, given the nature of the errors, that all of my global 
>variables are being collected. For example, one object pushes output to 
>stdout, and is working early in the run. However on the next call, it 
>simply doesn't exist any more.
>
>The variable is declared extern in the header, and like this in the .c :
>
>struct brl_stream_TStream_obj* brl_standardio_StandardIOStream;
>
>This particular object is created with GC_MALLOC_ATOMIC(), and is 
>assigned a finalizer with GC_REGISTER_FINALIZER().
>
>The modular project consists of many linked archives/static libs, which 
>produce the final binary.
>
>I am not setting any roots, letting the GC take care of that, as this 
>works on all the other platforms.
>
>Is there anything specific I should be doing (compile flags, definitions 
>) for emscripten in order to hang on to my global variable references?
>
>
>Thanks,
>
>Bruce
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