Imports of package s390x

PathSynopsis
cmd/internal/obj
cmd/internal/objabi
cmd/internal/sys
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
internal/abi
logPackage log implements a simple logging package.
mathPackage math provides basic constants and mathematical functions.
math/bitsPackage bits implements bit counting and manipulation functions for the predeclared unsigned integer types.
slicesPackage slices defines various functions useful with slices of any type.