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VM: Refactor write_barrier.hpp to Factor style

db4
Erik Charlebois 2013-05-11 22:32:23 -04:00
parent 38c9db88e2
commit d44127b543
1 changed files with 9 additions and 15 deletions
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24
vm/write_barrier.hpp
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@ -6,32 +6,26 @@ card has a slot written to.
the offset of the first object is set by the allocator. */
namespace factor
{
namespace factor {
/* if card_points_to_nursery is set, card_points_to_aging must also be set. */
static const cell card_points_to_nursery = 0x80;
static const cell card_points_to_aging = 0x40;
static const cell card_mark_mask = (card_points_to_nursery | card_points_to_aging);
static const cell card_mark_mask =
(card_points_to_nursery | card_points_to_aging);
typedef u8 card;
static const cell card_bits = 8;
static const cell card_size = (1<<card_bits);
static const cell addr_card_mask = (card_size-1);
static const cell card_size = (1 << card_bits);
static const cell addr_card_mask = (card_size - 1);
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);
static const cell deck_size = (1 << deck_bits);
static const cell addr_deck_mask = (deck_size - 1);
inline cell addr_to_card(cell a)
{
return a >> card_bits;
}
inline cell addr_to_card(cell a) { return a >> card_bits; }
inline cell addr_to_deck(cell a)
{
return a >> deck_bits;
}
inline cell addr_to_deck(cell a) { return a >> deck_bits; }
}