This JCL files are a part of JCL 1.94.

2010/07/13 liuxiao add Delphi XE 2 support.

Modified files:

JclPeImage.pas
JclWin32.pas
JclDebug.pas
JclFileUtils.pas

Modification are reflected by a patch named JCL_XE_2_support_based_on_1_94.patch

You can get original JCl 1.94 from:

http://sourceforge.net/projects/jcl/

or

http://wiki.delphi-jedi.org/wiki/JCL_Download

It's too large to include here. ;-(