diff --git a/vendor/golang.org/x/sys/unix/ztypes_freebsd_amd64.go b/vendor/golang.org/x/sys/unix/ztypes_freebsd_amd64.go
index 29ba2f5..ac33a8d 100644
--- a/vendor/golang.org/x/sys/unix/ztypes_freebsd_amd64.go
+++ b/vendor/golang.org/x/sys/unix/ztypes_freebsd_amd64.go
@@ -62,45 +62,45 @@
 )
 
 type Stat_t struct {
-	Dev     uint64
-	Ino     uint64
-	Nlink   uint64
-	Mode    uint16
-	_0      int16
-	Uid     uint32
-	Gid     uint32
-	_1      int32
-	Rdev    uint64
-	Atim    Timespec
-	Mtim    Timespec
-	Ctim    Timespec
-	Btim    Timespec
-	Size    int64
-	Blocks  int64
-	Blksize int32
-	Flags   uint32
-	Gen     uint64
-	Spare   [10]uint64
+	Dev      uint64
+	Ino      uint64
+	Nlink    uint64
+	Mode     uint16
+	_0       int16
+	Uid      uint32
+	Gid      uint32
+	_1       int32
+	Rdev     uint64
+	Atim     Timespec
+	Mtim     Timespec
+	Ctim     Timespec
+	Birthtim Timespec
+	Size     int64
+	Blocks   int64
+	Blksize  int32
+	Flags    uint32
+	Gen      uint64
+	Spare    [10]uint64
 }
 
 type stat_freebsd11_t struct {
-	Dev     uint32
-	Ino     uint32
-	Mode    uint16
-	Nlink   uint16
-	Uid     uint32
-	Gid     uint32
-	Rdev    uint32
-	Atim    Timespec
-	Mtim    Timespec
-	Ctim    Timespec
-	Size    int64
-	Blocks  int64
-	Blksize int32
-	Flags   uint32
-	Gen     uint32
-	Lspare  int32
-	Btim    Timespec
+	Dev      uint32
+	Ino      uint32
+	Mode     uint16
+	Nlink    uint16
+	Uid      uint32
+	Gid      uint32
+	Rdev     uint32
+	Atim     Timespec
+	Mtim     Timespec
+	Ctim     Timespec
+	Size     int64
+	Blocks   int64
+	Blksize  int32
+	Flags    uint32
+	Gen      uint32
+	Lspare   int32
+	Birthtim Timespec
 }
 
 type Statfs_t struct {
@@ -322,115 +322,11 @@
 )
 
 const (
-	PTRACE_ATTACH     = 0xa
-	PTRACE_CONT       = 0x7
-	PTRACE_DETACH     = 0xb
-	PTRACE_GETFPREGS  = 0x23
-	PTRACE_GETFSBASE  = 0x47
-	PTRACE_GETLWPLIST = 0xf
-	PTRACE_GETNUMLWPS = 0xe
-	PTRACE_GETREGS    = 0x21
-	PTRACE_GETXSTATE  = 0x45
-	PTRACE_IO         = 0xc
-	PTRACE_KILL       = 0x8
-	PTRACE_LWPEVENTS  = 0x18
-	PTRACE_LWPINFO    = 0xd
-	PTRACE_SETFPREGS  = 0x24
-	PTRACE_SETREGS    = 0x22
-	PTRACE_SINGLESTEP = 0x9
-	PTRACE_TRACEME    = 0x0
+	PTRACE_TRACEME = 0x0
+	PTRACE_CONT    = 0x7
+	PTRACE_KILL    = 0x8
 )
 
-const (
-	PIOD_READ_D  = 0x1
-	PIOD_WRITE_D = 0x2
-	PIOD_READ_I  = 0x3
-	PIOD_WRITE_I = 0x4
-)
-
-const (
-	PL_FLAG_BORN   = 0x100
-	PL_FLAG_EXITED = 0x200
-	PL_FLAG_SI     = 0x20
-)
-
-const (
-	TRAP_BRKPT = 0x1
-	TRAP_TRACE = 0x2
-)
-
-type PtraceLwpInfoStruct struct {
-	Lwpid        int32
-	Event        int32
-	Flags        int32
-	Sigmask      Sigset_t
-	Siglist      Sigset_t
-	Siginfo      __Siginfo
-	Tdname       [20]int8
-	Child_pid    int32
-	Syscall_code uint32
-	Syscall_narg uint32
-}
-
-type __Siginfo struct {
-	Signo  int32
-	Errno  int32
-	Code   int32
-	Pid    int32
-	Uid    uint32
-	Status int32
-	Addr   *byte
-	Value  [8]byte
-	_      [40]byte
-}
-
-type Sigset_t struct {
-	Val [4]uint32
-}
-
-type Reg struct {
-	R15    int64
-	R14    int64
-	R13    int64
-	R12    int64
-	R11    int64
-	R10    int64
-	R9     int64
-	R8     int64
-	Rdi    int64
-	Rsi    int64
-	Rbp    int64
-	Rbx    int64
-	Rdx    int64
-	Rcx    int64
-	Rax    int64
-	Trapno uint32
-	Fs     uint16
-	Gs     uint16
-	Err    uint32
-	Es     uint16
-	Ds     uint16
-	Rip    int64
-	Cs     int64
-	Rflags int64
-	Rsp    int64
-	Ss     int64
-}
-
-type FpReg struct {
-	Env   [4]uint64
-	Acc   [8][16]uint8
-	Xacc  [16][16]uint8
-	Spare [12]uint64
-}
-
-type PtraceIoDesc struct {
-	Op   int32
-	Offs *byte
-	Addr *byte
-	Len  uint
-}
-
 type Kevent_t struct {
 	Ident  uint64
 	Filter int16