Build system stuff, to hook the tests in none/tests/arm64
to the build system.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14363 a5019735-40e9-0310-863c-91ae7b9d1cf9
Add socket.S to memcheck/tests/filter_stderr.

sendmsg.vgtest shows socket.S on some arches instead of syscall-template.S
to indicate "in ...libc...".

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14364 a5019735-40e9-0310-863c-91ae7b9d1cf9
Add test config files and expected outputs.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14365 a5019735-40e9-0310-863c-91ae7b9d1cf9