[Issue 4071] Missing support to share memory and objects between DLLs and executable

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4071



--- Comment #4 from Rainer Schuetze <r.sagitario at gmx.de> 2010-04-07 12:00:45 PDT ---
Created an attachment (id=603)
example using the shared dll

This is the example from dll.html modified to work with the shared DLL.

Please note that an executable/DLL needs a slightly different initialization:
- patch relocations to stubs to import table to the destination value to allow
data symbols to be accessed correctly
- do not init gc
- inform gc about TLS usage
- add check to module(tls)ctors to avoid calling modules in other dlls

These are already covered by the patches to druntime.

If you apply the patches, you might need to check the path to the tools at the
top of the makefiles.

current restrictions:
- there is no global moduleinfo-array spanning all binaries
- trace module not included (always produces output)
- no version check, so welcome to DLL hell!

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