Seems I had to use ffi.manager.pas too. However when building then it fails
with;
Undefined symbols for architecture arm64:
"_ffi_call", referenced from:
_FFI.MANAGER_$$_FFIINVOKE$crc7AE31AA0 in ffi.manager.o
"_ffi_closure_alloc", referenced from:
_FFI.MANAGER$_$TFFIFUNCTIONCALLBACK_$__$$_CREATE$crc5C7D27E4 in
ffi.manager.o
"_ffi_closure_free", referenced from:
_FFI.MANAGER$_$TFFIFUNCTIONCALLBACK_$__$$_DESTROY in ffi.manager.o
"_ffi_prep_cif", referenced from:
_FFI.MANAGER_$$_CREATECIF$crcD3E75E66 in ffi.manager.o
"_ffi_prep_closure_loc", referenced from:
_FFI.MANAGER$_$TFFIFUNCTIONCALLBACK_$__$$_CREATE$crc5C7D27E4 in
ffi.manager.o
"_ffi_type_double", referenced from:
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_float", referenced from:
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_pointer", referenced from:
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_sint16", referenced from:
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_sint32", referenced from:
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_sint64", referenced from:
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_sint8", referenced from:
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_uint16", referenced from:
_FFI.MANAGER_$$_RECORDOROBJECTTOFFITYPE$PTYPEINFO$$PFFI_TYPE in
ffi.manager.o
_FFI.MANAGER_$$_SETTOFFITYPE$INT64$$PFFI_TYPE in ffi.manager.o
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_uint32", referenced from:
_FFI.MANAGER_$$_RECORDOROBJECTTOFFITYPE$PTYPEINFO$$PFFI_TYPE in
ffi.manager.o
_FFI.MANAGER_$$_SETTOFFITYPE$INT64$$PFFI_TYPE in ffi.manager.o
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_uint64", referenced from:
_FFI.MANAGER_$$_RECORDOROBJECTTOFFITYPE$PTYPEINFO$$PFFI_TYPE in
ffi.manager.o
_FFI.MANAGER_$$_SETTOFFITYPE$INT64$$PFFI_TYPE in ffi.manager.o
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_uint8", referenced from:
_FFI.MANAGER_$$_RECORDOROBJECTTOFFITYPE$PTYPEINFO$$PFFI_TYPE in
ffi.manager.o
_FFI.MANAGER_$$_SETTOFFITYPE$INT64$$PFFI_TYPE in ffi.manager.o
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
"_ffi_type_void", referenced from:
_FFI.MANAGER_$$_TYPEINFOTOFFITYPE$PTYPEINFO$TPARAMFLAGS$$PFFI_TYPE in
ffi.manager.o
_FFI.MANAGER_$$_CREATECIF$crcD3E75E66 in ffi.manager.o
ld: symbol(s) not found for architecture arm64
Is there something else I need to do to allow FFI to work on arm64? (Does this
depend on a dylib? or a static library?, and do I need to explicitly reference
that?)
On Wed, Aug 19, 2020, at 16:01, Carlo Kok via fpc-pascal wrote:
> It looks like I misread the error completely, and presumed, from the include
> logic that it was x86_64 / x86 only. It compiles now, thanks!
>
> On Wed, Aug 19, 2020, at 14:09, Sven Barth via fpc-pascal wrote:
>> Carlo Kok via fpc-pascal schrieb am Mi.,
>> 19. Aug. 2020, 13:17:
>>> Hi,
>>>
>>> for PascalScript FFI support, are there plans to support RTTI .Invoke, or
>>> any form of FFI available to do dynamic invoke from Pascalscript to FPC/api
>>> code?
>>
>> Rtti.Invoke is available in 3.2.0 however for all platforms except for Win64
>> and the register calling convention on i386 the libffi library is used.
>> Officially libffi does not yet seem to support macOS on Aarch64 however it
>> supports iOS, so you'll need to check whether you can get a variant working
>> for macOS on Aarch64.
>>
>> Alternatively you'd need to implement a custom function call manager for
>> Aarch64.
>>
>> Regards,
>> Sven
>>>
>> ___
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>> https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
>>
>
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>
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