52 lines
893 B
C++
52 lines
893 B
C++
namespace factor
|
|
{
|
|
|
|
struct gc_info {
|
|
u32 scrub_d_count;
|
|
u32 scrub_r_count;
|
|
u32 gc_root_count;
|
|
u32 return_address_count;
|
|
|
|
cell total_bitmap_size()
|
|
{
|
|
return return_address_count * (scrub_d_count + scrub_r_count + gc_root_count);
|
|
}
|
|
|
|
cell total_bitmap_bytes()
|
|
{
|
|
return ((total_bitmap_size() + 7) / 8);
|
|
}
|
|
|
|
u32 *return_addresses()
|
|
{
|
|
return (u32 *)((u8 *)this - return_address_count * sizeof(u32));
|
|
}
|
|
|
|
u8 *gc_info_bitmap()
|
|
{
|
|
return (u8 *)return_addresses() - total_bitmap_bytes();
|
|
}
|
|
|
|
cell scrub_d_base(cell index)
|
|
{
|
|
return index * scrub_d_count;
|
|
}
|
|
|
|
cell scrub_r_base(cell index)
|
|
{
|
|
return return_address_count * scrub_d_count +
|
|
index * scrub_r_count;
|
|
}
|
|
|
|
cell spill_slot_base(cell index)
|
|
{
|
|
return return_address_count * scrub_d_count
|
|
+ return_address_count * scrub_r_count
|
|
+ index * gc_root_count;
|
|
}
|
|
|
|
int return_address_index(u32 return_address);
|
|
};
|
|
|
|
}
|