A Study of Lock-Free Based Concurrent Garbage Collectors for Multicore Platform

Procedure 1

CopyNormalObject procedure (procedure code for collector).

Procedure CopyNormalObject(obj: Object, addr: Address)

(1)      exObj:= AllocExtendedObject(addr)

(2)     for each status in exObj do

(3)          status:= 0

(4)     for 𝑖:= 0 to CountOfFields(obj) do

(5)          oldField.data:= exObj.fields[𝑖].data

(6)          oldField.status:= exObj.fields[𝑖].status

(7)          if oldField.status = 0 then

(8)               newField.data:= obj.fields[𝑖].data

(9)               newField.status:= 1

(10)             CAS(&exObj.fields[𝑖], newField, oldField)