DBG_Gv             77 core/gc.c                  DBG_Gv(P,"GC mark count only %p %6x\n", x, PN_TYPE(*x));
DBG_Gv             84 core/gc.c                  DBG_Gv(P,"GC mark minor %p -> 0x%lx %6x\n", x, v, PN_TYPE(*x));
DBG_Gv             91 core/gc.c                  DBG_Gv(P,"GC mark major %p -> 0x%lx %6x\n", x, v, PN_TYPE(*x));
DBG_Gv            113 core/gc.c        DBG_Gv(P,"mark_stack (%p -> %p = %ld, type=%d)\n", start, end, n, type);