As I begin to look at shuffling arm32, one thing does jump out.

arm26 & arm32 need to share the sigcontext structures, the same
stdarg & vararg definitions, etc.
--
Matt Thomas               Internet:   matt@3am-software.com
3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt/
Cupertino, CA             Disclaimer: I avow all knowledge of this message