Index: gcc-6-6.2.1-4.1/src/libgo/go/syscall/libcall_gnu.go
===================================================================
--- /dev/null
+++ gcc-6-6.2.1-4.1/src/libgo/go/syscall/libcall_gnu.go
@@ -0,0 +1,185 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// GNU/Hurd library calls.
+
+package syscall
+
+import "unsafe"
+
+//sys   Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
+//__go_openat(dirfd _C_int, path *byte, flags _C_int, mode Mode_t) _C_int
+
+//sys   futimesat(dirfd int, path *byte, times *[2]Timeval) (err error)
+//futimesat(dirfd _C_int, path *byte, times *[2]Timeval) _C_int
+func Futimesat(dirfd int, path string, tv []Timeval) (err error) {
+	if len(tv) != 2 {
+		return EINVAL
+	}
+	return futimesat(dirfd, StringBytePtr(path), (*[2]Timeval)(unsafe.Pointer(&tv[0])))
+}
+
+func Futimes(fd int, tv []Timeval) (err error) {
+	// Believe it or not, this is the best we can do on GNU/Linux
+	// (and is what glibc does).
+	return Utimes("/proc/self/fd/"+itoa(fd), tv)
+}
+
+//sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
+//ptrace(request _C_int, pid Pid_t, addr *byte, data *byte) _C_long
+
+// Dummy function
+func raw_ptrace(request int, pid int, addr *byte, data *byte) Errno {
+	return ENOSYS
+}
+
+//sys   accept4(fd int, sa *RawSockaddrAny, len *Socklen_t, flags int) (nfd int, err error)
+//accept4(fd _C_int, sa *RawSockaddrAny, len *Socklen_t, flags _C_int) _C_int
+
+func Accept4(fd int, flags int) (nfd int, sa Sockaddr, err error) {
+	var rsa RawSockaddrAny
+	var len Socklen_t = SizeofSockaddrAny
+	nfd, err = accept4(fd, &rsa, &len, flags)
+	if err != nil {
+		return -1, nil, err
+	}
+	sa, err = anyToSockaddr(&rsa)
+	if err != nil {
+		Close(nfd)
+		return -1, nil, err
+	}
+	return nfd, sa, nil
+}
+
+///INCLUDE?
+///sys   Acct(path string) (err error)
+///acct(path *byte) _C_int
+
+//sysnb Dup3(oldfd int, newfd int, flags int) (err error)
+//dup3(oldfd _C_int, newfd _C_int, flags _C_int) _C_int
+
+//sys   Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
+//faccessat(dirfd _C_int, pathname *byte, mode _C_int, flags _C_int) _C_int
+
+//sys   Fallocate(fd int, mode uint32, off int64, len int64) (err error)
+//fallocate(fd _C_int, mode _C_int, offset Offset_t, len Offset_t) _C_int
+
+//sys   Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
+//fchmodat(dirfd _C_int, pathname *byte, mode Mode_t, flags _C_int) _C_int
+
+//sys   Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
+//fchownat(dirfd _C_int, path *byte, owner Uid_t, group Gid_t, flags _C_int) _C_int
+
+//sys   Flock(fd int, how int) (err error)
+//flock(fd _C_int, how _C_int) _C_int
+
+//sys   Fstatfs(fd int, buf *Statfs_t) (err error)
+//fstatfs(fd _C_int, buf *Statfs_t) _C_int
+
+func Getdents(fd int, buf []byte) (n int, err error) {
+	var p *byte
+	if len(buf) > 0 {
+		p = &buf[0]
+	} else {
+		p = (*byte)(unsafe.Pointer(&_zero))
+	}
+	s := SYS_GETDENTS64
+	if s == 0 {
+		s = SYS_GETDENTS
+	}
+	r1, _, errno := Syscall(uintptr(s), uintptr(fd), uintptr(unsafe.Pointer(p)), uintptr(len(buf)))
+	n = int(r1)
+	if n < 0 {
+		err = errno
+	}
+	return
+}
+
+func clen(n []byte) int {
+	for i := 0; i < len(n); i++ {
+		if n[i] == 0 {
+			return i
+		}
+	}
+	return len(n)
+}
+
+func ReadDirent(fd int, buf []byte) (n int, err error) {
+	return Getdents(fd, buf)
+}
+
+func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
+	origlen := len(buf)
+	count = 0
+	for max != 0 && len(buf) > 0 {
+		dirent := (*Dirent)(unsafe.Pointer(&buf[0]))
+		buf = buf[dirent.Reclen:]
+		if dirent.Ino == 0 { // File absent in directory.
+			continue
+		}
+		bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0]))
+		var name = string(bytes[0:clen(bytes[:])])
+		if name == "." || name == ".." { // Useless names
+			continue
+		}
+		max--
+		count++
+		names = append(names, name)
+	}
+	return origlen - len(buf), count, names
+}
+
+///INCLUDE??
+///sys   Getxattr(path string, attr string, dest []byte) (sz int, err error)
+///getxattr(path *byte, attr *byte, buf *byte, count Size_t) Ssize_t
+
+///INCLUDE??
+///sys   Listxattr(path string, dest []byte) (sz int, err error)
+///listxattr(path *byte, list *byte, size Size_t) Ssize_t
+
+//sys   Mkdirat(dirfd int, path string, mode uint32) (err error)
+//mkdirat(dirfd _C_int, path *byte, mode Mode_t) _C_int
+
+//sys   Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
+//mknodat(dirfd _C_int, path *byte, mode Mode_t, dev _dev_t) _C_int
+
+//sysnb pipe2(p *[2]_C_int, flags int) (err error)
+//pipe2(p *[2]_C_int, flags _C_int) _C_int
+func Pipe2(p []int, flags int) (err error) {
+	if len(p) != 2 {
+		return EINVAL
+	}
+	var pp [2]_C_int
+	err = pipe2(&pp, flags)
+	p[0] = int(pp[0])
+	p[1] = int(pp[1])
+	return
+}
+
+///INCLUDE??
+///sys   Removexattr(path string, attr string) (err error)
+///removexattr(path *byte, name *byte) _C_int
+
+///INCLUDE??
+///sys   Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
+///renameat(olddirfd _C_int, oldpath *byte, newdirfd _C_int, newpath *byte) _C_int
+
+//INCLUDE??
+///sys   Setxattr(path string, attr string, data []byte, flags int) (err error)
+///setxattr(path *byte, name *byte, value *byte, size Size_t, flags _C_int) _C_int
+
+//sys   SyncFileRange(fd int, off int64, n int64, flags int) (err error)
+//sync_file_range(fd _C_int, off Offset_t, n Offset_t, flags _C_uint) _C_int
+
+//INCLUDE??
+///sysnb Sysinfo(info *Sysinfo_t) (err error)
+///sysinfo(info *Sysinfo_t) _C_int
+
+//func Unlinkat(dirfd int, path string) (err error) {
+//	return unlinkat(dirfd, path, 0)
+//}
+
+///INCLUDE??
+///sys   Ustat(dev int, ubuf *Ustat_t) (err error)
+///ustat(dev _dev_t, ubuf *Ustat_t) _C_int