Previously with NativeBoost, Pharo FFI diverged from the mainline VM, which made support from vm-devs a bit harder. In Pharo 5 we've returned to the fold with UFFI, but there are some changes required.
I recorded my own learning of UFFI here... http://blog.openinworld.com/2016/09/pharo-libclang-ffi-part-1-preamble/ cheers -ben On Tue, Dec 20, 2016 at 9:41 AM, jjjhhh <jayharde...@gmail.com> wrote: > Hello, > > I need help rescuing code that has dependencies on FFI. I just downloaded > the latest Pharo 5 vm in order to run Pharo under MacOS 10.12. Now the > FFI-based code in my image no longer works (or is viewable). > > What worked before (for years, up through MacOS 10.11) is as follows: > > I have a 32-bit lib (i386) called ThePlugin.bundle (C code compiled w/ > Xcode). I put it in Pharo.app/Contents/MacOS/Contents/Plugins/. > > The lib has a C function like: > int someNumber() { return 123; } > > In Smalltalk I have a class ThePluginFFI with the class method: > someNumber > <cdecl: int 'someNumber' () module: 'ThePlugin'> > ^self externalCallFailed > > And if I typed "ThePluginFFI someNumber" I got 123 > > Now I get "External module not found". If I try to view the method > "someNumber" I get an MNU from RBFFLCallPragma>>selectorParts (receiver of > "keywords" is nil), and the image hangs. > > I tried rewriting the method someNumber to look like this: > someNumber > ^self ffiCall: #( int someNumber() ) module: ThePlugin uniqueInstance > > where ThePlugin is a subclass of FFILibrary with an instance method: > macModuleName > ^'ThePlugin.bundle' > > but this still gets "External module not found" > > > Is there some new way of doing all this? Or some new trick to loading > libraries (I tried dylibs as well as bundles). > > I couldn't find a recent > summary/update. > > Thanks for any help! > Jay > > > > -- > View this message in context: > http://forum.world.st/FFI-on-MacOS-10-12-using-Pharo-5-tp4927537.html > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. >
