Refactor and remove copy mark bits.

Refactor code GC realted code to be in a GC folder.

Remove copy mark bits by using pointer changing instead.

Enable concurrent sweeping of system weaks.

Fix non concurrent GC plan.

Change-Id: I9c71478be27d21a75f8a4e6af6faabe896e5e263
34 files changed
tree: b1eb8cd8d1e3b6263c2de77616020de4b4b5019f
  1. .gitignore
  3. build/
  4. jdwpspy/
  5. src/
  6. test/
  7. tools/