Couple of questions:
1. void llvm_gc_write(void *V, void *ObjPtr, void **FieldPtr)
I haven't seen an adequate explanation of these, but I'm guessing:
void *V: value being written to the field
void *ObjPtr: current value of the field (ie. ObjPtr == *FieldPtr upon
entry to llvm_gc_write)
void **FieldPtr: address of the field being written
2. The current semispace collector includes some code which says it should
be in a code-generator library. If I were to write a collector, should I
also include this code for the time being? Or will this soon be refactored
into an external interface?
3. void %llvm.gcroot(<ty>** %ptrloc, <ty2>* %metadata)
I don't see an implementation of the llvm.gcroot intrinsic in the semispace
collector, so is it implemented elsewhere? Semispace has a function with the
same signature, but it's not in the public GC interface (
http://llvm.cs.uiuc.edu/cvsweb/cvsweb.cgi/llvm/runtime/GC/GCInterface.h). Or
is this simply because the llvm_cg_walk_gcroots callback hasn't been
refactored as an external interface (as per #2 above)?
That's it for now. :-)
Sandro
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