Hello,
I am trying to isolate the updates by unmanaged code
if the arguments are passed by reference in Pinvoke.
I looked up marshal.c and at
mono_marshal_emit_native_wrapper , the by-ref
argumments are being marshalled back to managed
memory.
I am trying to do this by the foll :
After the C code has made the updates : when the
results are being marshalled back to the managed
object, I can copy this to a diff location and return
this address and thus prevent the original argument
from being updated.
I could do this at call time , by copying the managed
structure to another location and passing this
addr...and this can get updated..but in this case I
have to change the final byref argument to point to
this new address.
Everything leads to mono_mb_emit_byte( where some copy
actually seems to be happening..) but it emits IL code
and it *seems* to be pushing similar stuff if I pass
by value or by reference.
Any pointers on how to achieve my objective ??
Thanks,
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