------- Comment #18 from howarth at nitro dot med dot uc dot edu 2009-12-09 01:11 ------- Actually, I found this file which is quite interesting in the darwin10 libgcc open source release...
http://www.opensource.apple.com/source/libgcc/libgcc-13/stub.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42333