bp                 95 gc/dbg_mlc.c       ptr_t bp;
bp                 98 gc/dbg_mlc.c       bp = REVEAL_POINTER(hdr -> oh_back_ptr);
bp                 99 gc/dbg_mlc.c       if (MARKED_FOR_FINALIZATION == bp) return GC_FINALIZER_REFD;
bp                100 gc/dbg_mlc.c       if (MARKED_FROM_REGISTER == bp) return GC_REFD_FROM_REG;
bp                101 gc/dbg_mlc.c       if (NOT_MARKED == bp) return GC_UNREFERENCED;
bp                106 gc/dbg_mlc.c   	ptr_t alternate_ptr = bp + 1;
bp                107 gc/dbg_mlc.c   	ptr_t target = *(ptr_t *)bp;
bp                114 gc/dbg_mlc.c   	    bp = alternate_ptr;
bp                118 gc/dbg_mlc.c       bp_base = GC_base(bp);
bp                120 gc/dbg_mlc.c         *base_p = bp;
bp                126 gc/dbg_mlc.c         *offset_p = bp - bp_base;