Your guess about the use of the checkers is right. The code you are looking at
compiles and inserts this function in the target, then when compiling future
expressions, if we detect a reference to an ObjC object, we insert a call to
the checker into the JIT'ed code before accessing the object.
Hi
is this funny function AppleObjCRuntimeV1::CreateObjectChecker actually
used ?
First of all the snprintf is wrapped in an assert (!?). If the code gets
compiled with -DNDEBUG, the function would pretty much do nothing.
Second, I guess, that this is some C-code that gets compiled on the
