root/ext/objspace/

[..]
  1. [ext/objspace/extconf.h] extconf.h
  2. [ext/objspace/object_tracing.c] object_tracing.c
  3. [ext/objspace/objspace.c] objspace.c
  4. [ext/objspace/objspace.h] objspace.h
  5. [ext/objspace/objspace_dump.c] objspace_dump.c
[..]