syscall: update freebsd_amd64

R=rsc, r
CC=golang-dev
https://golang.org/cl/1268041

src/pkg/syscall/zerrors_freebsd_amd64.go

-// mkerrors.sh
+// mkerrors.sh -f -m64
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
-// godefs -gsyscall _const.c
+// godefs -c gcc -f -m64 -gsyscall -f -m64 _const.c
 
 // MACHINE GENERATED - DO NOT EDIT.
 
@@ -347,12 +347,76 @@ const (
 	IPPROTO_WSN                 = 0x4a
 	IPPROTO_XNET                = 0xf
 	IPPROTO_XTP                 = 0x24
+	IPV6_AUTOFLOWLABEL          = 0x3b
+	IPV6_BINDANY                = 0x40
+	IPV6_BINDV6ONLY             = 0x1b
+	IPV6_CHECKSUM               = 0x1a
+	IPV6_DEFAULT_MULTICAST_HOPS = 0x1
+	IPV6_DEFAULT_MULTICAST_LOOP = 0x1
+	IPV6_DEFHLIM                = 0x40
+	IPV6_DONTFRAG               = 0x3e
+	IPV6_DSTOPTS                = 0x32
+	IPV6_FAITH                  = 0x1d
+	IPV6_FLOWINFO_MASK          = 0xffffff0f
+	IPV6_FLOWLABEL_MASK         = 0xffff0f00
+	IPV6_FRAGTTL                = 0x78
+	IPV6_FW_ADD                 = 0x1e
+	IPV6_FW_DEL                 = 0x1f
+	IPV6_FW_FLUSH               = 0x20
+	IPV6_FW_GET                 = 0x22
+	IPV6_FW_ZERO                = 0x21
+	IPV6_HLIMDEC                = 0x1
+	IPV6_HOPLIMIT               = 0x2f
+	IPV6_HOPOPTS                = 0x31
+	IPV6_IPSEC_POLICY           = 0x1c
+	IPV6_JOIN_GROUP             = 0xc
+	IPV6_LEAVE_GROUP            = 0xd
+	IPV6_MAXHLIM                = 0xff
+	IPV6_MAXOPTHDR              = 0x800
+	IPV6_MAXPACKET              = 0xffff
+	IPV6_MAX_GROUP_SRC_FILTER   = 0x200
+	IPV6_MAX_MEMBERSHIPS        = 0xfff
+	IPV6_MAX_SOCK_SRC_FILTER    = 0x80
+	IPV6_MIN_MEMBERSHIPS        = 0x1f
+	IPV6_MMTU                   = 0x500
+	IPV6_MSFILTER               = 0x4a
+	IPV6_MULTICAST_HOPS         = 0xa
+	IPV6_MULTICAST_IF           = 0x9
+	IPV6_MULTICAST_LOOP         = 0xb
+	IPV6_NEXTHOP                = 0x30
+	IPV6_PATHMTU                = 0x2c
+	IPV6_PKTINFO                = 0x2e
+	IPV6_PORTRANGE              = 0xe
+	IPV6_PORTRANGE_DEFAULT      = 0
+	IPV6_PORTRANGE_HIGH         = 0x1
+	IPV6_PORTRANGE_LOW          = 0x2
+	IPV6_PREFER_TEMPADDR        = 0x3f
+	IPV6_RECVDSTOPTS            = 0x28
+	IPV6_RECVHOPLIMIT           = 0x25
+	IPV6_RECVHOPOPTS            = 0x27
+	IPV6_RECVPATHMTU            = 0x2b
+	IPV6_RECVPKTINFO            = 0x24
+	IPV6_RECVRTHDR              = 0x26
+	IPV6_RECVTCLASS             = 0x39
+	IPV6_RTHDR                  = 0x33
+	IPV6_RTHDRDSTOPTS           = 0x23
+	IPV6_RTHDR_LOOSE            = 0
+	IPV6_RTHDR_STRICT           = 0x1
+	IPV6_RTHDR_TYPE_0           = 0
+	IPV6_SOCKOPT_RESERVED1      = 0x3
+	IPV6_TCLASS                 = 0x3d
+	IPV6_UNICAST_HOPS           = 0x4
+	IPV6_USE_MIN_MTU            = 0x2a
+	IPV6_V6ONLY                 = 0x1b
+	IPV6_VERSION                = 0x60
+	IPV6_VERSION_MASK           = 0xf0
 	IP_ADD_MEMBERSHIP           = 0xc
 	IP_ADD_SOURCE_MEMBERSHIP    = 0x46
 	IP_BINDANY                  = 0x18
 	IP_BLOCK_SOURCE             = 0x48
 	IP_DEFAULT_MULTICAST_LOOP   = 0x1
 	IP_DEFAULT_MULTICAST_TTL    = 0x1
+	IP_DF                       = 0x4000
 	IP_DONTFRAG                 = 0x43
 	IP_DROP_MEMBERSHIP          = 0xd
 	IP_DROP_SOURCE_MEMBERSHIP   = 0x47
@@ -378,18 +442,22 @@ const (
 	IP_FW_ZERO                  = 0x35
 	IP_HDRINCL                  = 0x2
 	IP_IPSEC_POLICY             = 0x15
+	IP_MAXPACKET                = 0xffff
 	IP_MAX_GROUP_SRC_FILTER     = 0x200
 	IP_MAX_MEMBERSHIPS          = 0xfff
 	IP_MAX_SOCK_MUTE_FILTER     = 0x80
 	IP_MAX_SOCK_SRC_FILTER      = 0x80
 	IP_MAX_SOURCE_FILTER        = 0x400
+	IP_MF                       = 0x2000
 	IP_MINTTL                   = 0x42
 	IP_MIN_MEMBERSHIPS          = 0x1f
 	IP_MSFILTER                 = 0x4a
+	IP_MSS                      = 0x240
 	IP_MULTICAST_IF             = 0x9
 	IP_MULTICAST_LOOP           = 0xb
 	IP_MULTICAST_TTL            = 0xa
 	IP_MULTICAST_VIF            = 0xe
+	IP_OFFMASK                  = 0x1fff
 	IP_ONESBCAST                = 0x17
 	IP_OPTIONS                  = 0x1
 	IP_PORTRANGE                = 0x13
@@ -402,6 +470,7 @@ const (
 	IP_RECVRETOPTS              = 0x6
 	IP_RECVTTL                  = 0x41
 	IP_RETOPTS                  = 0x8
+	IP_RF                       = 0x8000
 	IP_RSVP_OFF                 = 0x10
 	IP_RSVP_ON                  = 0xf
 	IP_RSVP_VIF_OFF             = 0x12

src/pkg/syscall/zsyscall_freebsd_amd64.go

-// mksyscall.sh syscall_freebsd.go syscall_freebsd_amd64.go
+// mksyscall.sh syscall_bsd.go syscall_freebsd.go syscall_freebsd_amd64.go
 // MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
 
 package syscall
@@ -121,6 +121,18 @@ func sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr)
 	return
 }
 
+func utimes(path string, timeval *[2]Timeval) (errno int) {
+	_, _, e1 := Syscall(SYS_UTIMES, uintptr(unsafe.Pointer(StringBytePtr(path))), uintptr(unsafe.Pointer(timeval)), 0)
+	errno = int(e1)
+	return
+}
+
+func futimes(fd int, timeval *[2]Timeval) (errno int) {
+	_, _, e1 := Syscall(SYS_FUTIMES, uintptr(fd), uintptr(unsafe.Pointer(timeval)), 0)
+	errno = int(e1)
+	return
+}
+
 func fcntl(fd int, cmd int, arg int) (val int, errno int) {
 	r0, _, e1 := Syscall(SYS_FCNTL, uintptr(fd), uintptr(cmd), uintptr(arg))
 	val = int(r0)