inline cell allot_float(double n);
inline bignum *float_to_bignum(cell tagged);
inline double bignum_to_float(cell tagged);
- // next method here:
//io
void init_c_io();
extern factorvm *vm;
+
+// write_barrier.hpp
+
+inline card *factorvm::addr_to_card(cell a)
+{
+ return (card*)(((cell)(a) >> card_bits) + cards_offset);
+}
+
+inline card *addr_to_card(cell a)
+{
+ return vm->addr_to_card(a);
+}
+
+inline cell factorvm::card_to_addr(card *c)
+{
+ return ((cell)c - cards_offset) << card_bits;
+}
+
+inline cell card_to_addr(card *c)
+{
+ return vm->card_to_addr(c);
+}
+
+inline cell factorvm::card_offset(card *c)
+{
+ return *(c - (cell)data->cards + (cell)data->allot_markers);
+}
+
+inline cell card_offset(card *c)
+{
+ return vm->card_offset(c);
+}
+
+inline card_deck *factorvm::addr_to_deck(cell a)
+{
+ return (card_deck *)(((cell)a >> deck_bits) + decks_offset);
+}
+
+inline card_deck *addr_to_deck(cell a)
+{
+ return vm->addr_to_deck(a);
+}
+
+inline cell factorvm::deck_to_addr(card_deck *c)
+{
+ return ((cell)c - decks_offset) << deck_bits;
+}
+
+inline cell deck_to_addr(card_deck *c)
+{
+ return vm->deck_to_addr(c);
+}
+
+inline card *factorvm::deck_to_card(card_deck *d)
+{
+ return (card *)((((cell)d - decks_offset) << (deck_bits - card_bits)) + cards_offset);
+}
+
+inline card *deck_to_card(card_deck *d)
+{
+ return vm->deck_to_card(d);
+}
+
+inline card *factorvm::addr_to_allot_marker(object *a)
+{
+ return (card *)(((cell)a >> card_bits) + allot_markers_offset);
+}
+
+inline card *addr_to_allot_marker(object *a)
+{
+ return vm->addr_to_allot_marker(a);
+}
+
+/* the write barrier must be called any time we are potentially storing a
+pointer from an older generation to a younger one */
+inline void factorvm::write_barrier(object *obj)
+{
+ *addr_to_card((cell)obj) = card_mark_mask;
+ *addr_to_deck((cell)obj) = card_mark_mask;
+}
+
+inline void write_barrier(object *obj)
+{
+ return vm->write_barrier(obj);
+}
+
+/* we need to remember the first object allocated in the card */
+inline void factorvm::allot_barrier(object *address)
+{
+ card *ptr = addr_to_allot_marker(address);
+ if(*ptr == invalid_allot_marker)
+ *ptr = ((cell)address & addr_card_mask);
+}
+
+inline void allot_barrier(object *address)
+{
+ return vm->allot_barrier(address);
+}
+
+// next method here:
+
+
}
static const cell card_size = (1<<card_bits);
static const cell addr_card_mask = (card_size-1);
-inline card *factorvm::addr_to_card(cell a)
-{
- return (card*)(((cell)(a) >> card_bits) + cards_offset);
-}
-
-inline card *addr_to_card(cell a)
-{
- return vm->addr_to_card(a);
-}
-
-inline cell factorvm::card_to_addr(card *c)
-{
- return ((cell)c - cards_offset) << card_bits;
-}
-
-inline cell card_to_addr(card *c)
-{
- return vm->card_to_addr(c);
-}
-
-inline cell factorvm::card_offset(card *c)
-{
- return *(c - (cell)data->cards + (cell)data->allot_markers);
-}
-
-inline cell card_offset(card *c)
-{
- return vm->card_offset(c);
-}
typedef u8 card_deck;
static const cell deck_bits = (card_bits + 10);
static const cell deck_size = (1<<deck_bits);
static const cell addr_deck_mask = (deck_size-1);
-
-inline card_deck *factorvm::addr_to_deck(cell a)
-{
- return (card_deck *)(((cell)a >> deck_bits) + decks_offset);
-}
-
-inline card_deck *addr_to_deck(cell a)
-{
- return vm->addr_to_deck(a);
-}
-
-inline cell factorvm::deck_to_addr(card_deck *c)
-{
- return ((cell)c - decks_offset) << deck_bits;
-}
-
-inline cell deck_to_addr(card_deck *c)
-{
- return vm->deck_to_addr(c);
-}
-
-inline card *factorvm::deck_to_card(card_deck *d)
-{
- return (card *)((((cell)d - decks_offset) << (deck_bits - card_bits)) + cards_offset);
-}
-
-inline card *deck_to_card(card_deck *d)
-{
- return vm->deck_to_card(d);
-}
-
static const cell invalid_allot_marker = 0xff;
-
extern cell allot_markers_offset;
-inline card *factorvm::addr_to_allot_marker(object *a)
-{
- return (card *)(((cell)a >> card_bits) + allot_markers_offset);
-}
-
-inline card *addr_to_allot_marker(object *a)
-{
- return vm->addr_to_allot_marker(a);
-}
-
-/* the write barrier must be called any time we are potentially storing a
-pointer from an older generation to a younger one */
-inline void factorvm::write_barrier(object *obj)
-{
- *addr_to_card((cell)obj) = card_mark_mask;
- *addr_to_deck((cell)obj) = card_mark_mask;
-}
-
-inline void write_barrier(object *obj)
-{
- return vm->write_barrier(obj);
-}
-
-/* we need to remember the first object allocated in the card */
-inline void factorvm::allot_barrier(object *address)
-{
- card *ptr = addr_to_allot_marker(address);
- if(*ptr == invalid_allot_marker)
- *ptr = ((cell)address & addr_card_mask);
-}
-
-inline void allot_barrier(object *address)
-{
- return vm->allot_barrier(address);
-}
-
}