* MAINTAINERS (Write After Approval): Add myself.
	* rs6000.c (rs6000_trampoline_size): Handle ABI_DARWIN case.
	(rs6000_initialize_trampoline): Call __trampoline_setup for
	ABI_DARWIN too.
	* darwin-tramp.asm: New file, implements __trampoline_setup.
	* t-darwin: LIB2FUNCS_EXTRA now includes darwin_tramp.asm.

From-SVN: r47762