PR go/69966
syscall: Add new Getsockopt functions.
Add GetsockoptICMPv6Filter, GetsockoptIPv6MTUInfo, GetsockoptUcred as
appropriate. These functions exist in the master library.
For GCC PR 69966.
Reviewed-on: https://go-review.googlesource.com/19960
From-SVN: r233747
The struct RawSockaddr contains a field Data which
should be uint8 on ppc64 and ppc64le, but is declared
as int8 in gccgo. This change adds a two new files
which contain the structure declaration for
RawSockaddr, one with the correct types for for ppc64
and ppc64le, and the other for non-ppc64 platforms.
Fixesgolang/go#11469
Reviewed-on: https://go-review.googlesource.com/11946
From-SVN: r226533
Calls to library functions now use entersyscall and
exitsyscall as appropriate. This is a first step toward
multiplexing goroutines onto threads.
From-SVN: r180345
