+ Linux on PPC32 uses the <a
+ href="http://refspecs.freestandards.org/elf/elfspec_ppc.pdf">The
+ PowerPC SystemV ABI specification</a>.
+
+ On MacOS X, the conventions are documented in the <a
+ href="http://developer.apple.com/documentation/DeveloperTools/Conceptual/MachORuntime/MachORuntime.pdf">Mach-O
+ Runtime Architecture</a>.