Error during opening a native lib on Apple M1

[Clemens Lanthaler]

Hello everyone,

I have just ported over LibrawFX to JDK19 and have used the latest bin 
release of jextract on OSX/win for porting it over to the JDK19 lang 
features. The code is working under JDK18 (1.8.0 release branch).

When I execute the new code under an Apple M1 I am getting always on the 
init method / first call to the native lib the error message:
java.lang.ExceptionInInitializerError: Exception 
java.lang.UnsupportedOperationException: Call type not supported on this 
platform [in thread "Thread-6"]
     at 
java.base/jdk.internal.foreign.abi.aarch64.CallArranger$StorageCalculator.stackAlloc(CallArranger.java:206)
     at 
java.base/jdk.internal.foreign.abi.aarch64.CallArranger$StorageCalculator.stackAlloc(CallArranger.java:217)
     at 
java.base/jdk.internal.foreign.abi.aarch64.CallArranger$StorageCalculator.nextStorage(CallArranger.java:244)
     at 
java.base/jdk.internal.foreign.abi.aarch64.CallArranger$UnboxBindingCalculator.getBindings(CallArranger.java:395)
     at 
java.base/jdk.internal.foreign.abi.aarch64.CallArranger.getBindings(CallArranger.java:146)
     at 
java.base/jdk.internal.foreign.abi.aarch64.CallArranger.arrangeDowncall(CallArranger.java:153)
     at 
java.base/jdk.internal.foreign.abi.aarch64.macos.MacOsAArch64Linker.arrangeDowncall(MacOsAArch64Linker.java:56)
     at 
java.base/jdk.internal.foreign.abi.AbstractLinker.lambda$downcallHandle$0(AbstractLinker.java:52)
     at 
java.base/jdk.internal.foreign.abi.SoftReferenceCache$Node.get(SoftReferenceCache.java:52)
     at 
java.base/jdk.internal.foreign.abi.SoftReferenceCache.get(SoftReferenceCache.java:38)
     at 
java.base/jdk.internal.foreign.abi.AbstractLinker.downcallHandle(AbstractLinker.java:50)
     at java.base/java.lang.foreign.Linker.downcallHandle(Linker.java:221)
     at 
org.librawfx at 1.8.1-SNAPSHOT/org.libraw.linuxosx.RuntimeHelper.lambda$downcallHandle$5(RuntimeHelper.java:60)
     at java.base/java.util.Optional.map(Optional.java:260)
     at 
org.librawfx at 1.8.1-SNAPSHOT/org.libraw.linuxosx.RuntimeHelper.downcallHandle(RuntimeHelper.java:60)
     at 
org.librawfx at 1.8.1-SNAPSHOT/org.libraw.linuxosx.constants$3.<clinit>(constants$3.java:52)


The code is on Github under https://github.com/lanthale/librawfx. The 
JDK19 stuff is checked into the master branch. Just clone it and run it 
via maven.

The same I have done for LibheifFX and all is working. There must be 
some difference how Libraw is handling all the stuff. Therefore I would 
appreciate if you can help me.

best regards,
Clemens


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