diff --git a/src/cmd/go.mod b/src/cmd/go.mod
index 7e80e3ca17..d6ca56f135 100644
--- a/src/cmd/go.mod
+++ b/src/cmd/go.mod
@@ -4,11 +4,11 @@ go 1.19
 
 require (
 	github.com/google/pprof v0.0.0-20220314021825-5bba342933ea
-	golang.org/x/arch v0.0.0-20210923205945-b76863e36670
+	golang.org/x/arch v0.0.0-20220412001346-fc48f9fe4c15
 	golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20220422013727-9388b58f7150
-	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
+	golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a
+	golang.org/x/term v0.0.0-20220411215600-e5f449aeb171
 	golang.org/x/tools v0.1.11-0.20220510125844-bc0e26ea1275
 )
 
diff --git a/src/cmd/go.sum b/src/cmd/go.sum
index fce3ca84dd..39227186fd 100644
--- a/src/cmd/go.sum
+++ b/src/cmd/go.sum
@@ -5,8 +5,8 @@ github.com/google/pprof v0.0.0-20220314021825-5bba342933ea h1:yVDp4C9ff/qoEAhHNf
 github.com/google/pprof v0.0.0-20220314021825-5bba342933ea/go.mod h1:KgnwoLYCZ8IQu3XUZ8Nc/bM9CCZFOyjUNOSygVozoDg=
 github.com/ianlancetaylor/demangle v0.0.0-20210905161508-09a460cdf81d h1:uGg2frlt3IcT7kbV6LEp5ONv4vmoO2FW4qSO+my/aoM=
 github.com/ianlancetaylor/demangle v0.0.0-20210905161508-09a460cdf81d/go.mod h1:aYm2/VgdVmcIU8iMfdMvDMsRAQjcfZSKFby6HOFvi/w=
-golang.org/x/arch v0.0.0-20210923205945-b76863e36670 h1:18EFjUmQOcUvxNYSkA6jO9VAiXCnxFY6NyDX0bHDmkU=
-golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
+golang.org/x/arch v0.0.0-20220412001346-fc48f9fe4c15 h1:GVfVkciLYxn5mY5EncwAe0SXUn9Rm81rRkZ0TTmn/cU=
+golang.org/x/arch v0.0.0-20220412001346-fc48f9fe4c15/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd h1:XcWmESyNjXJMLahc3mqVQJcgSTDxFxhETVlfk9uGc38=
 golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 h1:6zppjxzCulZykYSLyVDYbneBfbaBIQPYMevg0bEwv2s=
@@ -14,9 +14,9 @@ golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220422013727-9388b58f7150 h1:xHms4gcpe1YE7A3yIllJXP16CMAGuqwO2lX1mTyyRRc=
-golang.org/x/sys v0.0.0-20220422013727-9388b58f7150/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 h1:JGgROgKl9N8DuW20oFS5gxc+lE67/N3FcwmBPMe7ArY=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a h1:N2T1jUrTQE9Re6TFF5PhvEHXHCguynGhKjWVsIUt5cY=
+golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20220411215600-e5f449aeb171 h1:EH1Deb8WZJ0xc0WK//leUHXcX9aLE5SymusoTmMZye8=
+golang.org/x/term v0.0.0-20220411215600-e5f449aeb171/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/tools v0.1.11-0.20220510125844-bc0e26ea1275 h1:ismY4QcvigOCsXTuUEtx/f/vntz7reNAQnMGPI0Z4KE=
 golang.org/x/tools v0.1.11-0.20220510125844-bc0e26ea1275/go.mod h1:SgwaegtQh8clINPpECJMqnxLv9I09HLqnW3RMqW0CA4=
diff --git a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/condition.go b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/condition.go
index d673857212..37ad8eed99 100644
--- a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/condition.go
+++ b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/condition.go
@@ -11,7 +11,7 @@ package arm64asm
 // Refer to instFormat inside decode.go for more details
 
 func at_sys_cr_system_cond(instr uint32) bool {
-	return sys_op_4((instr>>16)&0x7, 0x7, 0x8, (instr>>5)&0x7) == Sys_AT
+	return sys_op_4((instr>>16)&0x7, 0x7, 0x8, (instr>>5)&0x7) == sys_AT
 }
 
 func bfi_bfm_32m_bitfield_cond(instr uint32) bool {
@@ -61,11 +61,11 @@ func csinv_general_cond(instr uint32) bool {
 	return instr&0xe000 != 0xe000
 }
 func dc_sys_cr_system_cond(instr uint32) bool {
-	return sys_op_4((instr>>16)&0x7, 0x7, (instr>>8)&0xf, (instr>>5)&0x7) == Sys_DC
+	return sys_op_4((instr>>16)&0x7, 0x7, (instr>>8)&0xf, (instr>>5)&0x7) == sys_DC
 }
 
 func ic_sys_cr_system_cond(instr uint32) bool {
-	return sys_op_4((instr>>16)&0x7, 0x7, (instr>>8)&0xf, (instr>>5)&0x7) == Sys_IC
+	return sys_op_4((instr>>16)&0x7, 0x7, (instr>>8)&0xf, (instr>>5)&0x7) == sys_IC
 }
 
 func lsl_ubfm_32m_bitfield_cond(instr uint32) bool {
@@ -133,7 +133,7 @@ func sbfx_sbfm_64m_bitfield_cond(instr uint32) bool {
 }
 
 func tlbi_sys_cr_system_cond(instr uint32) bool {
-	return sys_op_4((instr>>16)&0x7, 0x8, (instr>>8)&0xf, (instr>>5)&0x7) == Sys_TLBI
+	return sys_op_4((instr>>16)&0x7, 0x8, (instr>>8)&0xf, (instr>>5)&0x7) == sys_TLBI
 }
 
 func ubfiz_ubfm_32m_bitfield_cond(instr uint32) bool {
diff --git a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/condition_util.go b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/condition_util.go
index 62c0c3b0ac..f2fa11b9dc 100644
--- a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/condition_util.go
+++ b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/condition_util.go
@@ -47,19 +47,19 @@ func move_wide_preferred_4(sf, N, imms, immr uint32) bool {
 	return false
 }
 
-type Sys uint8
+type sys uint8
 
 const (
-	Sys_AT Sys = iota
-	Sys_DC
-	Sys_IC
-	Sys_TLBI
-	Sys_SYS
+	sys_AT sys = iota
+	sys_DC
+	sys_IC
+	sys_TLBI
+	sys_SYS
 )
 
-func sys_op_4(op1, crn, crm, op2 uint32) Sys {
-	// TODO: system instruction
-	return Sys_SYS
+func sys_op_4(op1, crn, crm, op2 uint32) sys {
+	sysInst := sysInstFields{uint8(op1), uint8(crn), uint8(crm), uint8(op2)}
+	return sysInst.getType()
 }
 
 func is_zero(x uint32) bool {
diff --git a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/decode.go b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/decode.go
index 5e29c47696..b1c4f5ec2c 100644
--- a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/decode.go
+++ b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/decode.go
@@ -684,17 +684,26 @@ func decodeArg(aop instArg, x uint32) Arg {
 		//TODO: system instruction
 		return nil
 
-	case arg_sysop_DC_SYS_CR_system:
-		//TODO: system instruction
-		return nil
-
 	case arg_sysop_SYS_CR_system:
 		//TODO: system instruction
 		return nil
 
-	case arg_sysop_TLBI_SYS_CR_system:
-		//TODO: system instruction
-		return nil
+	case arg_sysop_DC_SYS_CR_system, arg_sysop_TLBI_SYS_CR_system:
+		op1 := (x >> 16) & 7
+		cn := (x >> 12) & 15
+		cm := (x >> 8) & 15
+		op2 := (x >> 5) & 7
+		sysInst := sysInstFields{uint8(op1), uint8(cn), uint8(cm), uint8(op2)}
+		attrs := sysInst.getAttrs()
+		reg := int(x & 31)
+		if !attrs.hasOperand2 {
+			if reg == 31 {
+				return sysOp{sysInst, 0, false}
+			}
+			// This instruction is undefined if the Rt field is not set to 31.
+			return nil
+		}
+		return sysOp{sysInst, X0 + Reg(reg), true}
 
 	case arg_Bt:
 		return B0 + Reg(x&(1<<5-1))
diff --git a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/inst.go b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/inst.go
index afeb9a3c10..8c633fef60 100644
--- a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/inst.go
+++ b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/inst.go
@@ -968,3 +968,161 @@ func (r RegisterWithArrangementAndIndex) String() string {
 	}
 	return fmt.Sprintf("%s[%d]", result, r.index)
 }
+
+type sysOp struct {
+	op          sysInstFields
+	r           Reg
+	hasOperand2 bool
+}
+
+func (s sysOp) isArg() {}
+
+func (s sysOp) String() string {
+	result := s.op.String()
+	// If s.hasOperand2 is false, the value in the register
+	// specified by s.r is ignored.
+	if s.hasOperand2 {
+		result += ", " + s.r.String()
+	}
+	return result
+}
+
+type sysInstFields struct {
+	op1 uint8
+	cn  uint8
+	cm  uint8
+	op2 uint8
+}
+
+type sysInstAttrs struct {
+	typ         sys
+	name        string
+	hasOperand2 bool
+}
+
+func (s sysInstFields) isArg() {}
+
+func (s sysInstFields) getAttrs() sysInstAttrs {
+	attrs, ok := sysInstsAttrs[sysInstFields{s.op1, s.cn, s.cm, s.op2}]
+	if !ok {
+		return sysInstAttrs{typ: sys_SYS}
+	}
+	return attrs
+}
+
+func (s sysInstFields) String() string {
+	return s.getAttrs().name
+}
+
+func (s sysInstFields) getType() sys {
+	return s.getAttrs().typ
+}
+
+var sysInstsAttrs = map[sysInstFields]sysInstAttrs{
+	sysInstFields{0, 8, 3, 0}:  {sys_TLBI, "VMALLE1IS", false},
+	sysInstFields{0, 8, 3, 1}:  {sys_TLBI, "VAE1IS", true},
+	sysInstFields{0, 8, 3, 2}:  {sys_TLBI, "ASIDE1IS", true},
+	sysInstFields{0, 8, 3, 3}:  {sys_TLBI, "VAAE1IS", true},
+	sysInstFields{0, 8, 3, 5}:  {sys_TLBI, "VALE1IS", true},
+	sysInstFields{0, 8, 3, 7}:  {sys_TLBI, "VAALE1IS", true},
+	sysInstFields{0, 8, 7, 0}:  {sys_TLBI, "VMALLE1", false},
+	sysInstFields{0, 8, 7, 1}:  {sys_TLBI, "VAE1", true},
+	sysInstFields{0, 8, 7, 2}:  {sys_TLBI, "ASIDE1", true},
+	sysInstFields{0, 8, 7, 3}:  {sys_TLBI, "VAAE1", true},
+	sysInstFields{0, 8, 7, 5}:  {sys_TLBI, "VALE1", true},
+	sysInstFields{0, 8, 7, 7}:  {sys_TLBI, "VAALE1", true},
+	sysInstFields{4, 8, 0, 1}:  {sys_TLBI, "IPAS2E1IS", true},
+	sysInstFields{4, 8, 0, 5}:  {sys_TLBI, "IPAS2LE1IS", true},
+	sysInstFields{4, 8, 3, 0}:  {sys_TLBI, "ALLE2IS", false},
+	sysInstFields{4, 8, 3, 1}:  {sys_TLBI, "VAE2IS", true},
+	sysInstFields{4, 8, 3, 4}:  {sys_TLBI, "ALLE1IS", false},
+	sysInstFields{4, 8, 3, 5}:  {sys_TLBI, "VALE2IS", true},
+	sysInstFields{4, 8, 3, 6}:  {sys_TLBI, "VMALLS12E1IS", false},
+	sysInstFields{4, 8, 4, 1}:  {sys_TLBI, "IPAS2E1", true},
+	sysInstFields{4, 8, 4, 5}:  {sys_TLBI, "IPAS2LE1", true},
+	sysInstFields{4, 8, 7, 0}:  {sys_TLBI, "ALLE2", false},
+	sysInstFields{4, 8, 7, 1}:  {sys_TLBI, "VAE2", true},
+	sysInstFields{4, 8, 7, 4}:  {sys_TLBI, "ALLE1", false},
+	sysInstFields{4, 8, 7, 5}:  {sys_TLBI, "VALE2", true},
+	sysInstFields{4, 8, 7, 6}:  {sys_TLBI, "VMALLS12E1", false},
+	sysInstFields{6, 8, 3, 0}:  {sys_TLBI, "ALLE3IS", false},
+	sysInstFields{6, 8, 3, 1}:  {sys_TLBI, "VAE3IS", true},
+	sysInstFields{6, 8, 3, 5}:  {sys_TLBI, "VALE3IS", true},
+	sysInstFields{6, 8, 7, 0}:  {sys_TLBI, "ALLE3", false},
+	sysInstFields{6, 8, 7, 1}:  {sys_TLBI, "VAE3", true},
+	sysInstFields{6, 8, 7, 5}:  {sys_TLBI, "VALE3", true},
+	sysInstFields{0, 8, 1, 0}:  {sys_TLBI, "VMALLE1OS", false},
+	sysInstFields{0, 8, 1, 1}:  {sys_TLBI, "VAE1OS", true},
+	sysInstFields{0, 8, 1, 2}:  {sys_TLBI, "ASIDE1OS", true},
+	sysInstFields{0, 8, 1, 3}:  {sys_TLBI, "VAAE1OS", true},
+	sysInstFields{0, 8, 1, 5}:  {sys_TLBI, "VALE1OS", true},
+	sysInstFields{0, 8, 1, 7}:  {sys_TLBI, "VAALE1OS", true},
+	sysInstFields{0, 8, 2, 1}:  {sys_TLBI, "RVAE1IS", true},
+	sysInstFields{0, 8, 2, 3}:  {sys_TLBI, "RVAAE1IS", true},
+	sysInstFields{0, 8, 2, 5}:  {sys_TLBI, "RVALE1IS", true},
+	sysInstFields{0, 8, 2, 7}:  {sys_TLBI, "RVAALE1IS", true},
+	sysInstFields{0, 8, 5, 1}:  {sys_TLBI, "RVAE1OS", true},
+	sysInstFields{0, 8, 5, 3}:  {sys_TLBI, "RVAAE1OS", true},
+	sysInstFields{0, 8, 5, 5}:  {sys_TLBI, "RVALE1OS", true},
+	sysInstFields{0, 8, 5, 7}:  {sys_TLBI, "RVAALE1OS", true},
+	sysInstFields{0, 8, 6, 1}:  {sys_TLBI, "RVAE1", true},
+	sysInstFields{0, 8, 6, 3}:  {sys_TLBI, "RVAAE1", true},
+	sysInstFields{0, 8, 6, 5}:  {sys_TLBI, "RVALE1", true},
+	sysInstFields{0, 8, 6, 7}:  {sys_TLBI, "RVAALE1", true},
+	sysInstFields{4, 8, 0, 2}:  {sys_TLBI, "RIPAS2E1IS", true},
+	sysInstFields{4, 8, 0, 6}:  {sys_TLBI, "RIPAS2LE1IS", true},
+	sysInstFields{4, 8, 1, 0}:  {sys_TLBI, "ALLE2OS", false},
+	sysInstFields{4, 8, 1, 1}:  {sys_TLBI, "VAE2OS", true},
+	sysInstFields{4, 8, 1, 4}:  {sys_TLBI, "ALLE1OS", false},
+	sysInstFields{4, 8, 1, 5}:  {sys_TLBI, "VALE2OS", true},
+	sysInstFields{4, 8, 1, 6}:  {sys_TLBI, "VMALLS12E1OS", false},
+	sysInstFields{4, 8, 2, 1}:  {sys_TLBI, "RVAE2IS", true},
+	sysInstFields{4, 8, 2, 5}:  {sys_TLBI, "RVALE2IS", true},
+	sysInstFields{4, 8, 4, 0}:  {sys_TLBI, "IPAS2E1OS", true},
+	sysInstFields{4, 8, 4, 2}:  {sys_TLBI, "RIPAS2E1", true},
+	sysInstFields{4, 8, 4, 3}:  {sys_TLBI, "RIPAS2E1OS", true},
+	sysInstFields{4, 8, 4, 4}:  {sys_TLBI, "IPAS2LE1OS", true},
+	sysInstFields{4, 8, 4, 6}:  {sys_TLBI, "RIPAS2LE1", true},
+	sysInstFields{4, 8, 4, 7}:  {sys_TLBI, "RIPAS2LE1OS", true},
+	sysInstFields{4, 8, 5, 1}:  {sys_TLBI, "RVAE2OS", true},
+	sysInstFields{4, 8, 5, 5}:  {sys_TLBI, "RVALE2OS", true},
+	sysInstFields{4, 8, 6, 1}:  {sys_TLBI, "RVAE2", true},
+	sysInstFields{4, 8, 6, 5}:  {sys_TLBI, "RVALE2", true},
+	sysInstFields{6, 8, 1, 0}:  {sys_TLBI, "ALLE3OS", false},
+	sysInstFields{6, 8, 1, 1}:  {sys_TLBI, "VAE3OS", true},
+	sysInstFields{6, 8, 1, 5}:  {sys_TLBI, "VALE3OS", true},
+	sysInstFields{6, 8, 2, 1}:  {sys_TLBI, "RVAE3IS", true},
+	sysInstFields{6, 8, 2, 5}:  {sys_TLBI, "RVALE3IS", true},
+	sysInstFields{6, 8, 5, 1}:  {sys_TLBI, "RVAE3OS", true},
+	sysInstFields{6, 8, 5, 5}:  {sys_TLBI, "RVALE3OS", true},
+	sysInstFields{6, 8, 6, 1}:  {sys_TLBI, "RVAE3", true},
+	sysInstFields{6, 8, 6, 5}:  {sys_TLBI, "RVALE3", true},
+	sysInstFields{0, 7, 6, 1}:  {sys_DC, "IVAC", true},
+	sysInstFields{0, 7, 6, 2}:  {sys_DC, "ISW", true},
+	sysInstFields{0, 7, 10, 2}: {sys_DC, "CSW", true},
+	sysInstFields{0, 7, 14, 2}: {sys_DC, "CISW", true},
+	sysInstFields{3, 7, 4, 1}:  {sys_DC, "ZVA", true},
+	sysInstFields{3, 7, 10, 1}: {sys_DC, "CVAC", true},
+	sysInstFields{3, 7, 11, 1}: {sys_DC, "CVAU", true},
+	sysInstFields{3, 7, 14, 1}: {sys_DC, "CIVAC", true},
+	sysInstFields{0, 7, 6, 3}:  {sys_DC, "IGVAC", true},
+	sysInstFields{0, 7, 6, 4}:  {sys_DC, "IGSW", true},
+	sysInstFields{0, 7, 6, 5}:  {sys_DC, "IGDVAC", true},
+	sysInstFields{0, 7, 6, 6}:  {sys_DC, "IGDSW", true},
+	sysInstFields{0, 7, 10, 4}: {sys_DC, "CGSW", true},
+	sysInstFields{0, 7, 10, 6}: {sys_DC, "CGDSW", true},
+	sysInstFields{0, 7, 14, 4}: {sys_DC, "CIGSW", true},
+	sysInstFields{0, 7, 14, 6}: {sys_DC, "CIGDSW", true},
+	sysInstFields{3, 7, 4, 3}:  {sys_DC, "GVA", true},
+	sysInstFields{3, 7, 4, 4}:  {sys_DC, "GZVA", true},
+	sysInstFields{3, 7, 10, 3}: {sys_DC, "CGVAC", true},
+	sysInstFields{3, 7, 10, 5}: {sys_DC, "CGDVAC", true},
+	sysInstFields{3, 7, 12, 3}: {sys_DC, "CGVAP", true},
+	sysInstFields{3, 7, 12, 5}: {sys_DC, "CGDVAP", true},
+	sysInstFields{3, 7, 13, 3}: {sys_DC, "CGVADP", true},
+	sysInstFields{3, 7, 13, 5}: {sys_DC, "CGDVADP", true},
+	sysInstFields{3, 7, 14, 3}: {sys_DC, "CIGVAC", true},
+	sysInstFields{3, 7, 14, 5}: {sys_DC, "CIGDVAC", true},
+	sysInstFields{3, 7, 12, 1}: {sys_DC, "CVAP", true},
+	sysInstFields{3, 7, 13, 1}: {sys_DC, "CVADP", true},
+}
diff --git a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/plan9x.go b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/plan9x.go
index f4eef8c0a7..ea5139cb82 100644
--- a/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/plan9x.go
+++ b/src/cmd/vendor/golang.org/x/arch/arm64/arm64asm/plan9x.go
@@ -542,10 +542,7 @@ func plan9Arg(inst *Inst, pc uint64, symname func(uint64) (string, uint64), arg
 			}
 
 		}
-		if regno == 31 {
-			return "ZR"
-		}
-		return fmt.Sprintf("R%d", regno)
+		return plan9gpr(a)
 
 	case RegSP:
 		regno := uint16(a) & 31
@@ -555,13 +552,7 @@ func plan9Arg(inst *Inst, pc uint64, symname func(uint64) (string, uint64), arg
 		return fmt.Sprintf("R%d", regno)
 
 	case RegExtshiftAmount:
-		reg := ""
-		regno := uint16(a.reg) & 31
-		if regno == 31 {
-			reg = "ZR"
-		} else {
-			reg = fmt.Sprintf("R%d", uint16(a.reg)&31)
-		}
+		reg := plan9gpr(a.reg)
 		extshift := ""
 		amount := ""
 		if a.extShift != ExtShift(0) {
@@ -614,19 +605,13 @@ func plan9Arg(inst *Inst, pc uint64, symname func(uint64) (string, uint64), arg
 	case MemExtend:
 		base := ""
 		index := ""
-		indexreg := ""
 		regno := uint16(a.Base) & 31
 		if regno == 31 {
 			base = "(RSP)"
 		} else {
 			base = fmt.Sprintf("(R%d)", regno)
 		}
-		regno = uint16(a.Index) & 31
-		if regno == 31 {
-			indexreg = "ZR"
-		} else {
-			indexreg = fmt.Sprintf("R%d", regno)
-		}
+		indexreg := plan9gpr(a.Index)
 
 		if a.Extend == lsl {
 			// Refer to ARM reference manual, for byte load/store(register), the index
@@ -736,7 +721,22 @@ func plan9Arg(inst *Inst, pc uint64, symname func(uint64) (string, uint64), arg
 		if strings.Contains(a.String(), "#") {
 			return fmt.Sprintf("$%d", a)
 		}
+	case sysOp:
+		result := a.op.String()
+		if a.r != 0 {
+			result += ", " + plan9gpr(a.r)
+		}
+		return result
 	}
 
 	return strings.ToUpper(arg.String())
 }
+
+// Convert a general-purpose register to plan9 assembly format.
+func plan9gpr(r Reg) string {
+	regno := uint16(r) & 31
+	if regno == 31 {
+		return "ZR"
+	}
+	return fmt.Sprintf("R%d", regno)
+}
diff --git a/src/cmd/vendor/golang.org/x/arch/ppc64/ppc64asm/tables.go b/src/cmd/vendor/golang.org/x/arch/ppc64/ppc64asm/tables.go
index d42ab0f294..9e3b26f170 100644
--- a/src/cmd/vendor/golang.org/x/arch/ppc64/ppc64asm/tables.go
+++ b/src/cmd/vendor/golang.org/x/arch/ppc64/ppc64asm/tables.go
@@ -1,5 +1,4 @@
-// DO NOT EDIT
-// generated by: ppc64map -fmt=decoder ../pp64.csv
+// Code generated by ppc64map -fmt=decoder pp64.csv DO NOT EDIT.
 
 package ppc64asm
 
diff --git a/src/cmd/vendor/golang.org/x/arch/x86/x86asm/plan9x.go b/src/cmd/vendor/golang.org/x/arch/x86/x86asm/plan9x.go
index 59d8f97753..de417946a4 100644
--- a/src/cmd/vendor/golang.org/x/arch/x86/x86asm/plan9x.go
+++ b/src/cmd/vendor/golang.org/x/arch/x86/x86asm/plan9x.go
@@ -66,6 +66,10 @@ func GoSyntax(inst Inst, pc uint64, symname SymLookup) string {
 		s := inst.DataSize
 		if inst.MemBytes != 0 {
 			s = inst.MemBytes * 8
+		} else if inst.Args[1] == nil { // look for register-only 64-bit instruction, like PUSHQ AX
+			if r, ok := inst.Args[0].(Reg); ok && RAX <= r && r <= R15 {
+				s = 64
+			}
 		}
 		switch s {
 		case 8:
diff --git a/src/cmd/vendor/golang.org/x/arch/x86/x86asm/tables.go b/src/cmd/vendor/golang.org/x/arch/x86/x86asm/tables.go
index af3fb73c51..6f57c70bf1 100644
--- a/src/cmd/vendor/golang.org/x/arch/x86/x86asm/tables.go
+++ b/src/cmd/vendor/golang.org/x/arch/x86/x86asm/tables.go
@@ -1,5 +1,4 @@
-// DO NOT EDIT
-// generated by: x86map -fmt=decoder ../x86.csv
+// Code generated by x86map -fmt=decoder x86.csv DO NOT EDIT.
 
 package x86asm
 
diff --git a/src/cmd/vendor/golang.org/x/sys/plan9/syscall.go b/src/cmd/vendor/golang.org/x/sys/plan9/syscall.go
index 602473cba3..a25223b8fd 100644
--- a/src/cmd/vendor/golang.org/x/sys/plan9/syscall.go
+++ b/src/cmd/vendor/golang.org/x/sys/plan9/syscall.go
@@ -113,5 +113,6 @@ func (tv *Timeval) Nano() int64 {
 
 // use is a no-op, but the compiler cannot see that it is.
 // Calling use(p) ensures that p is kept live until that point.
+//
 //go:noescape
 func use(p unsafe.Pointer)
diff --git a/src/cmd/vendor/golang.org/x/sys/plan9/syscall_plan9.go b/src/cmd/vendor/golang.org/x/sys/plan9/syscall_plan9.go
index 723b1f4002..d079d8116e 100644
--- a/src/cmd/vendor/golang.org/x/sys/plan9/syscall_plan9.go
+++ b/src/cmd/vendor/golang.org/x/sys/plan9/syscall_plan9.go
@@ -115,6 +115,7 @@ func Write(fd int, p []byte) (n int, err error) {
 var ioSync int64
 
 //sys	fd2path(fd int, buf []byte) (err error)
+
 func Fd2path(fd int) (path string, err error) {
 	var buf [512]byte
 
@@ -126,6 +127,7 @@ func Fd2path(fd int) (path string, err error) {
 }
 
 //sys	pipe(p *[2]int32) (err error)
+
 func Pipe(p []int) (err error) {
 	if len(p) != 2 {
 		return syscall.ErrorString("bad arg in system call")
@@ -180,6 +182,7 @@ func (w Waitmsg) ExitStatus() int {
 }
 
 //sys	await(s []byte) (n int, err error)
+
 func Await(w *Waitmsg) (err error) {
 	var buf [512]byte
 	var f [5][]byte
@@ -301,42 +304,49 @@ func Getgroups() (gids []int, err error) {
 }
 
 //sys	open(path string, mode int) (fd int, err error)
+
 func Open(path string, mode int) (fd int, err error) {
 	fixwd()
 	return open(path, mode)
 }
 
 //sys	create(path string, mode int, perm uint32) (fd int, err error)
+
 func Create(path string, mode int, perm uint32) (fd int, err error) {
 	fixwd()
 	return create(path, mode, perm)
 }
 
 //sys	remove(path string) (err error)
+
 func Remove(path string) error {
 	fixwd()
 	return remove(path)
 }
 
 //sys	stat(path string, edir []byte) (n int, err error)
+
 func Stat(path string, edir []byte) (n int, err error) {
 	fixwd()
 	return stat(path, edir)
 }
 
 //sys	bind(name string, old string, flag int) (err error)
+
 func Bind(name string, old string, flag int) (err error) {
 	fixwd()
 	return bind(name, old, flag)
 }
 
 //sys	mount(fd int, afd int, old string, flag int, aname string) (err error)
+
 func Mount(fd int, afd int, old string, flag int, aname string) (err error) {
 	fixwd()
 	return mount(fd, afd, old, flag, aname)
 }
 
 //sys	wstat(path string, edir []byte) (err error)
+
 func Wstat(path string, edir []byte) (err error) {
 	fixwd()
 	return wstat(path, edir)
diff --git a/src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go b/src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go
index f2a114fc27..ad22c33db3 100644
--- a/src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go
+++ b/src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go
@@ -37,6 +37,7 @@ func Creat(path string, mode uint32) (fd int, err error) {
 }
 
 //sys	utimes(path string, times *[2]Timeval) (err error)
+
 func Utimes(path string, tv []Timeval) error {
 	if len(tv) != 2 {
 		return EINVAL
@@ -45,6 +46,7 @@ func Utimes(path string, tv []Timeval) error {
 }
 
 //sys	utimensat(dirfd int, path string, times *[2]Timespec, flag int) (err error)
+
 func UtimesNano(path string, ts []Timespec) error {
 	if len(ts) != 2 {
 		return EINVAL
@@ -300,11 +302,13 @@ func direntNamlen(buf []byte) (uint64, bool) {
 }
 
 //sys	getdirent(fd int, buf []byte) (n int, err error)
+
 func Getdents(fd int, buf []byte) (n int, err error) {
 	return getdirent(fd, buf)
 }
 
 //sys	wait4(pid Pid_t, status *_C_int, options int, rusage *Rusage) (wpid Pid_t, err error)
+
 func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
 	var status _C_int
 	var r Pid_t
@@ -372,6 +376,7 @@ func (w WaitStatus) TrapCause() int { return -1 }
 //sys	fcntl(fd int, cmd int, arg int) (val int, err error)
 
 //sys	fsyncRange(fd int, how int, start int64, length int64) (err error) = fsync_range
+
 func Fsync(fd int) error {
 	return fsyncRange(fd, O_SYNC, 0, 0)
 }
@@ -536,6 +541,7 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
 //sys	Getsystemcfg(label int) (n uint64)
 
 //sys	umount(target string) (err error)
+
 func Unmount(target string, flags int) (err error) {
 	if flags != 0 {
 		// AIX doesn't have any flags for umount.
diff --git a/src/cmd/vendor/golang.org/x/sys/unix/syscall_darwin.go b/src/cmd/vendor/golang.org/x/sys/unix/syscall_darwin.go
index 09a25c6532..e5448cc93c 100644
--- a/src/cmd/vendor/golang.org/x/sys/unix/syscall_darwin.go
+++ b/src/cmd/vendor/golang.org/x/sys/unix/syscall_darwin.go
@@ -504,6 +504,7 @@ func SysctlKinfoProcSlice(name string, args ...int) ([]KinfoProc, error) {
 //sys	Mkdirat(dirfd int, path string, mode uint32) (err error)
 //sys	Mkfifo(path string, mode uint32) (err error)
 //sys	Mknod(path string, mode uint32, dev int) (err error)
+//sys	Mount(fsType string, dir string, flags int, data unsafe.Pointer) (err error)
 //sys	Open(path string, mode int, perm uint32) (fd int, err error)
 //sys	Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error)
 //sys	Pathconf(path string, name int) (val int, err error)
@@ -572,7 +573,6 @@ func SysctlKinfoProcSlice(name string, args ...int) ([]KinfoProc, error) {
 // Nfssvc
 // Getfh
 // Quotactl
-// Mount
 // Csops
 // Waitid
 // Add_profil
diff --git a/src/cmd/vendor/golang.org/x/sys/unix/syscall_dragonfly.go b/src/cmd/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
index c61e274980..61c0d0de15 100644
--- a/src/cmd/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
+++ b/src/cmd/vendor/golang.org/x/sys/unix/syscall_dragonfly.go
@@ -125,11 +125,13 @@ func Pipe2(p []int, flags int) (err error) {
 }
 
 //sys	extpread(fd int, p []byte, flags int, offset int64) (n int, err error)
+
 func pread(fd int, p []byte, offset int64) (n int, err error) {
 	return extpread(fd, p, 0, offset)
 }
 
 //sys	extpwrite(fd int, p []byte, flags int, offset int64) (n int, err error)
+
 func pwrite(fd int, p []byte, offset int64) (n int, err error) {
 	return extpwrite(fd, p, 0, offset)
 }
diff --git a/src/cmd/vendor/golang.org/x/sys/unix/syscall_linux.go b/src/cmd/vendor/golang.org/x/sys/unix/syscall_linux.go
index d251dafae0..c8d2032125 100644
--- a/src/cmd/vendor/golang.org/x/sys/unix/syscall_linux.go
+++ b/src/cmd/vendor/golang.org/x/sys/unix/syscall_linux.go
@@ -512,24 +512,24 @@ func (sa *SockaddrL2) sockaddr() (unsafe.Pointer, _Socklen, error) {
 //
 // Server example:
 //
-//      fd, _ := Socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM)
-//      _ = unix.Bind(fd, &unix.SockaddrRFCOMM{
-//      	Channel: 1,
-//      	Addr:    [6]uint8{0, 0, 0, 0, 0, 0}, // BDADDR_ANY or 00:00:00:00:00:00
-//      })
-//      _ = Listen(fd, 1)
-//      nfd, sa, _ := Accept(fd)
-//      fmt.Printf("conn addr=%v fd=%d", sa.(*unix.SockaddrRFCOMM).Addr, nfd)
-//      Read(nfd, buf)
+//	fd, _ := Socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM)
+//	_ = unix.Bind(fd, &unix.SockaddrRFCOMM{
+//		Channel: 1,
+//		Addr:    [6]uint8{0, 0, 0, 0, 0, 0}, // BDADDR_ANY or 00:00:00:00:00:00
+//	})
+//	_ = Listen(fd, 1)
+//	nfd, sa, _ := Accept(fd)
+//	fmt.Printf("conn addr=%v fd=%d", sa.(*unix.SockaddrRFCOMM).Addr, nfd)
+//	Read(nfd, buf)
 //
 // Client example:
 //
-//      fd, _ := Socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM)
-//      _ = Connect(fd, &SockaddrRFCOMM{
-//      	Channel: 1,
-//      	Addr:    [6]byte{0x11, 0x22, 0x33, 0xaa, 0xbb, 0xcc}, // CC:BB:AA:33:22:11
-//      })
-//      Write(fd, []byte(`hello`))
+//	fd, _ := Socket(AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM)
+//	_ = Connect(fd, &SockaddrRFCOMM{
+//		Channel: 1,
+//		Addr:    [6]byte{0x11, 0x22, 0x33, 0xaa, 0xbb, 0xcc}, // CC:BB:AA:33:22:11
+//	})
+//	Write(fd, []byte(`hello`))
 type SockaddrRFCOMM struct {
 	// Addr represents a bluetooth address, byte ordering is little-endian.
 	Addr [6]uint8
@@ -556,12 +556,12 @@ func (sa *SockaddrRFCOMM) sockaddr() (unsafe.Pointer, _Socklen, error) {
 // The SockaddrCAN struct must be bound to the socket file descriptor
 // using Bind before the CAN socket can be used.
 //
-//      // Read one raw CAN frame
-//      fd, _ := Socket(AF_CAN, SOCK_RAW, CAN_RAW)
-//      addr := &SockaddrCAN{Ifindex: index}
-//      Bind(fd, addr)
-//      frame := make([]byte, 16)
-//      Read(fd, frame)
+//	// Read one raw CAN frame
+//	fd, _ := Socket(AF_CAN, SOCK_RAW, CAN_RAW)
+//	addr := &SockaddrCAN{Ifindex: index}
+//	Bind(fd, addr)
+//	frame := make([]byte, 16)
+//	Read(fd, frame)
 //
 // The full SocketCAN documentation can be found in the linux kernel
 // archives at: https://www.kernel.org/doc/Documentation/networking/can.txt
@@ -632,13 +632,13 @@ func (sa *SockaddrCANJ1939) sockaddr() (unsafe.Pointer, _Socklen, error) {
 // Here is an example of using an AF_ALG socket with SHA1 hashing.
 // The initial socket setup process is as follows:
 //
-//      // Open a socket to perform SHA1 hashing.
-//      fd, _ := unix.Socket(unix.AF_ALG, unix.SOCK_SEQPACKET, 0)
-//      addr := &unix.SockaddrALG{Type: "hash", Name: "sha1"}
-//      unix.Bind(fd, addr)
-//      // Note: unix.Accept does not work at this time; must invoke accept()
-//      // manually using unix.Syscall.
-//      hashfd, _, _ := unix.Syscall(unix.SYS_ACCEPT, uintptr(fd), 0, 0)
+//	// Open a socket to perform SHA1 hashing.
+//	fd, _ := unix.Socket(unix.AF_ALG, unix.SOCK_SEQPACKET, 0)
+//	addr := &unix.SockaddrALG{Type: "hash", Name: "sha1"}
+//	unix.Bind(fd, addr)
+//	// Note: unix.Accept does not work at this time; must invoke accept()
+//	// manually using unix.Syscall.
+//	hashfd, _, _ := unix.Syscall(unix.SYS_ACCEPT, uintptr(fd), 0, 0)
 //
 // Once a file descriptor has been returned from Accept, it may be used to
 // perform SHA1 hashing. The descriptor is not safe for concurrent use, but
@@ -647,39 +647,39 @@ func (sa *SockaddrCANJ1939) sockaddr() (unsafe.Pointer, _Socklen, error) {
 // When hashing a small byte slice or string, a single Write and Read may
 // be used:
 //
-//      // Assume hashfd is already configured using the setup process.
-//      hash := os.NewFile(hashfd, "sha1")
-//      // Hash an input string and read the results. Each Write discards
-//      // previous hash state. Read always reads the current state.
-//      b := make([]byte, 20)
-//      for i := 0; i < 2; i++ {
-//          io.WriteString(hash, "Hello, world.")
-//          hash.Read(b)
-//          fmt.Println(hex.EncodeToString(b))
-//      }
-//      // Output:
-//      // 2ae01472317d1935a84797ec1983ae243fc6aa28
-//      // 2ae01472317d1935a84797ec1983ae243fc6aa28
+//	// Assume hashfd is already configured using the setup process.
+//	hash := os.NewFile(hashfd, "sha1")
+//	// Hash an input string and read the results. Each Write discards
+//	// previous hash state. Read always reads the current state.
+//	b := make([]byte, 20)
+//	for i := 0; i < 2; i++ {
+//	    io.WriteString(hash, "Hello, world.")
+//	    hash.Read(b)
+//	    fmt.Println(hex.EncodeToString(b))
+//	}
+//	// Output:
+//	// 2ae01472317d1935a84797ec1983ae243fc6aa28
+//	// 2ae01472317d1935a84797ec1983ae243fc6aa28
 //
 // For hashing larger byte slices, or byte streams such as those read from
 // a file or socket, use Sendto with MSG_MORE to instruct the kernel to update
 // the hash digest instead of creating a new one for a given chunk and finalizing it.
 //
-//      // Assume hashfd and addr are already configured using the setup process.
-//      hash := os.NewFile(hashfd, "sha1")
-//      // Hash the contents of a file.
-//      f, _ := os.Open("/tmp/linux-4.10-rc7.tar.xz")
-//      b := make([]byte, 4096)
-//      for {
-//          n, err := f.Read(b)
-//          if err == io.EOF {
-//              break
-//          }
-//          unix.Sendto(hashfd, b[:n], unix.MSG_MORE, addr)
-//      }
-//      hash.Read(b)
-//      fmt.Println(hex.EncodeToString(b))
-//      // Output: 85cdcad0c06eef66f805ecce353bec9accbeecc5
+//	// Assume hashfd and addr are already configured using the setup process.
+//	hash := os.NewFile(hashfd, "sha1")
+//	// Hash the contents of a file.
+//	f, _ := os.Open("/tmp/linux-4.10-rc7.tar.xz")
+//	b := make([]byte, 4096)
+//	for {
+//	    n, err := f.Read(b)
+//	    if err == io.EOF {
+//	        break
+//	    }
+//	    unix.Sendto(hashfd, b[:n], unix.MSG_MORE, addr)
+//	}
+//	hash.Read(b)
+//	fmt.Println(hex.EncodeToString(b))
+//	// Output: 85cdcad0c06eef66f805ecce353bec9accbeecc5
 //
 // For more information, see: http://www.chronox.de/crypto-API/crypto/userspace-if.html.
 type SockaddrALG struct {
diff --git a/src/cmd/vendor/golang.org/x/sys/unix/syscall_openbsd.go b/src/cmd/vendor/golang.org/x/sys/unix/syscall_openbsd.go
index 15d637d63e..78daceb338 100644
--- a/src/cmd/vendor/golang.org/x/sys/unix/syscall_openbsd.go
+++ b/src/cmd/vendor/golang.org/x/sys/unix/syscall_openbsd.go
@@ -81,6 +81,7 @@ func Pipe(p []int) (err error) {
 }
 
 //sysnb	pipe2(p *[2]_C_int, flags int) (err error)
+
 func Pipe2(p []int, flags int) error {
 	if len(p) != 2 {
 		return EINVAL
@@ -95,6 +96,7 @@ func Pipe2(p []int, flags int) error {
 }
 
 //sys	Getdents(fd int, buf []byte) (n int, err error)
+
 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 	n, err = Getdents(fd, buf)
 	if err != nil || basep == nil {
diff --git a/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go b/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
index 8793765896..467deed763 100644
--- a/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
+++ b/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go
@@ -1643,6 +1643,30 @@ var libc_mknod_trampoline_addr uintptr
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Mount(fsType string, dir string, flags int, data unsafe.Pointer) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(fsType)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(dir)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(libc_mount_trampoline_addr, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flags), uintptr(data), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+var libc_mount_trampoline_addr uintptr
+
+//go:cgo_import_dynamic libc_mount mount "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Open(path string, mode int, perm uint32) (fd int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s b/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s
index 8da90cf0e4..7e308a476d 100644
--- a/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s
+++ b/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s
@@ -600,6 +600,12 @@ TEXT libc_mknod_trampoline<>(SB),NOSPLIT,$0-0
 GLOBL	·libc_mknod_trampoline_addr(SB), RODATA, $8
 DATA	·libc_mknod_trampoline_addr(SB)/8, $libc_mknod_trampoline<>(SB)
 
+TEXT libc_mount_trampoline<>(SB),NOSPLIT,$0-0
+	JMP	libc_mount(SB)
+
+GLOBL	·libc_mount_trampoline_addr(SB), RODATA, $8
+DATA	·libc_mount_trampoline_addr(SB)/8, $libc_mount_trampoline<>(SB)
+
 TEXT libc_open_trampoline<>(SB),NOSPLIT,$0-0
 	JMP	libc_open(SB)
 
diff --git a/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go b/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go
index f47eedd5a8..35938d34ff 100644
--- a/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go
+++ b/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go
@@ -1643,6 +1643,30 @@ var libc_mknod_trampoline_addr uintptr
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Mount(fsType string, dir string, flags int, data unsafe.Pointer) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(fsType)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(dir)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(libc_mount_trampoline_addr, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flags), uintptr(data), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+var libc_mount_trampoline_addr uintptr
+
+//go:cgo_import_dynamic libc_mount mount "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Open(path string, mode int, perm uint32) (fd int, err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
diff --git a/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.s b/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.s
index 4d26f7d014..b09e5bb0e2 100644
--- a/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.s
+++ b/src/cmd/vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.s
@@ -600,6 +600,12 @@ TEXT libc_mknod_trampoline<>(SB),NOSPLIT,$0-0
 GLOBL	·libc_mknod_trampoline_addr(SB), RODATA, $8
 DATA	·libc_mknod_trampoline_addr(SB)/8, $libc_mknod_trampoline<>(SB)
 
+TEXT libc_mount_trampoline<>(SB),NOSPLIT,$0-0
+	JMP	libc_mount(SB)
+
+GLOBL	·libc_mount_trampoline_addr(SB), RODATA, $8
+DATA	·libc_mount_trampoline_addr(SB)/8, $libc_mount_trampoline<>(SB)
+
 TEXT libc_open_trampoline<>(SB),NOSPLIT,$0-0
 	JMP	libc_open(SB)
 
diff --git a/src/cmd/vendor/golang.org/x/sys/windows/exec_windows.go b/src/cmd/vendor/golang.org/x/sys/windows/exec_windows.go
index 855698bb28..75980fd44a 100644
--- a/src/cmd/vendor/golang.org/x/sys/windows/exec_windows.go
+++ b/src/cmd/vendor/golang.org/x/sys/windows/exec_windows.go
@@ -15,11 +15,11 @@ import (
 // in http://msdn.microsoft.com/en-us/library/ms880421.
 // This function returns "" (2 double quotes) if s is empty.
 // Alternatively, these transformations are done:
-// - every back slash (\) is doubled, but only if immediately
-//   followed by double quote (");
-// - every double quote (") is escaped by back slash (\);
-// - finally, s is wrapped with double quotes (arg -> "arg"),
-//   but only if there is space or tab inside s.
+//   - every back slash (\) is doubled, but only if immediately
+//     followed by double quote (");
+//   - every double quote (") is escaped by back slash (\);
+//   - finally, s is wrapped with double quotes (arg -> "arg"),
+//     but only if there is space or tab inside s.
 func EscapeArg(s string) string {
 	if len(s) == 0 {
 		return "\"\""
diff --git a/src/cmd/vendor/golang.org/x/sys/windows/syscall_windows.go b/src/cmd/vendor/golang.org/x/sys/windows/syscall_windows.go
index ce3075c453..636e5de60e 100644
--- a/src/cmd/vendor/golang.org/x/sys/windows/syscall_windows.go
+++ b/src/cmd/vendor/golang.org/x/sys/windows/syscall_windows.go
@@ -623,7 +623,6 @@ var (
 
 func getStdHandle(stdhandle uint32) (fd Handle) {
 	r, _ := GetStdHandle(stdhandle)
-	CloseOnExec(r)
 	return r
 }
 
diff --git a/src/cmd/vendor/golang.org/x/term/term.go b/src/cmd/vendor/golang.org/x/term/term.go
index d592708808..1a40d10125 100644
--- a/src/cmd/vendor/golang.org/x/term/term.go
+++ b/src/cmd/vendor/golang.org/x/term/term.go
@@ -7,11 +7,11 @@
 //
 // Putting a terminal into raw mode is the most common requirement:
 //
-// 	oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
-// 	if err != nil {
-// 	        panic(err)
-// 	}
-// 	defer term.Restore(int(os.Stdin.Fd()), oldState)
+//	oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
+//	if err != nil {
+//	        panic(err)
+//	}
+//	defer term.Restore(int(os.Stdin.Fd()), oldState)
 //
 // Note that on non-Unix systems os.Stdin.Fd() may not be 0.
 package term
diff --git a/src/cmd/vendor/modules.txt b/src/cmd/vendor/modules.txt
index 86db4e15f0..ede312d358 100644
--- a/src/cmd/vendor/modules.txt
+++ b/src/cmd/vendor/modules.txt
@@ -17,7 +17,7 @@ github.com/google/pprof/third_party/svgpan
 # github.com/ianlancetaylor/demangle v0.0.0-20210905161508-09a460cdf81d
 ## explicit; go 1.12
 github.com/ianlancetaylor/demangle
-# golang.org/x/arch v0.0.0-20210923205945-b76863e36670
+# golang.org/x/arch v0.0.0-20220412001346-fc48f9fe4c15
 ## explicit; go 1.17
 golang.org/x/arch/arm/armasm
 golang.org/x/arch/arm64/arm64asm
@@ -40,13 +40,13 @@ golang.org/x/mod/zip
 # golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
 ## explicit
 golang.org/x/sync/semaphore
-# golang.org/x/sys v0.0.0-20220422013727-9388b58f7150
+# golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a
 ## explicit; go 1.17
 golang.org/x/sys/internal/unsafeheader
 golang.org/x/sys/plan9
 golang.org/x/sys/unix
 golang.org/x/sys/windows
-# golang.org/x/term v0.0.0-20210927222741-03fcf44c2211
+# golang.org/x/term v0.0.0-20220411215600-e5f449aeb171
 ## explicit; go 1.17
 golang.org/x/term
 # golang.org/x/tools v0.1.11-0.20220510125844-bc0e26ea1275
diff --git a/src/go.mod b/src/go.mod
index 2c43eccc71..f2c3708288 100644
--- a/src/go.mod
+++ b/src/go.mod
@@ -8,6 +8,6 @@ require (
 )
 
 require (
-	golang.org/x/sys v0.0.0-20220422013727-9388b58f7150 // indirect
+	golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a // indirect
 	golang.org/x/text v0.3.8-0.20220124021120-d1c84af989ab // indirect
 )
diff --git a/src/go.sum b/src/go.sum
index a86e5553d0..d3d671ad8a 100644
--- a/src/go.sum
+++ b/src/go.sum
@@ -2,7 +2,7 @@ golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd h1:XcWmESyNjXJMLahc3mqVQJ
 golang.org/x/crypto v0.0.0-20220315160706-3147a52a75dd/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/net v0.0.0-20220421235706-1d1ef9303861 h1:yssD99+7tqHWO5Gwh81phT+67hg+KttniBr6UnEXOY8=
 golang.org/x/net v0.0.0-20220421235706-1d1ef9303861/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/sys v0.0.0-20220422013727-9388b58f7150 h1:xHms4gcpe1YE7A3yIllJXP16CMAGuqwO2lX1mTyyRRc=
-golang.org/x/sys v0.0.0-20220422013727-9388b58f7150/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a h1:N2T1jUrTQE9Re6TFF5PhvEHXHCguynGhKjWVsIUt5cY=
+golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/text v0.3.8-0.20220124021120-d1c84af989ab h1:eHo2TTVBaAPw9lDGK2Gb9GyPMXT6g7O63W6sx3ylbzU=
 golang.org/x/text v0.3.8-0.20220124021120-d1c84af989ab/go.mod h1:EFNZuWvGYxIRUEX+K8UmCFwYmZjqcrnq15ZuVldZkZ0=
diff --git a/src/vendor/golang.org/x/sys/cpu/cpu.go b/src/vendor/golang.org/x/sys/cpu/cpu.go
index b56886f261..83f112c4c8 100644
--- a/src/vendor/golang.org/x/sys/cpu/cpu.go
+++ b/src/vendor/golang.org/x/sys/cpu/cpu.go
@@ -106,8 +106,8 @@ var ARM64 struct {
 
 // ARM contains the supported CPU features of the current ARM (32-bit) platform.
 // All feature flags are false if:
-//   1. the current platform is not arm, or
-//   2. the current operating system is not Linux.
+//  1. the current platform is not arm, or
+//  2. the current operating system is not Linux.
 var ARM struct {
 	_           CacheLinePad
 	HasSWP      bool // SWP instruction support
diff --git a/src/vendor/modules.txt b/src/vendor/modules.txt
index 78ead27048..bb06cde16a 100644
--- a/src/vendor/modules.txt
+++ b/src/vendor/modules.txt
@@ -19,7 +19,7 @@ golang.org/x/net/idna
 golang.org/x/net/lif
 golang.org/x/net/nettest
 golang.org/x/net/route
-# golang.org/x/sys v0.0.0-20220422013727-9388b58f7150
+# golang.org/x/sys v0.0.0-20220513210249-45d2b4557a2a
 ## explicit; go 1.17
 golang.org/x/sys/cpu
 # golang.org/x/text v0.3.8-0.20220124021120-d1c84af989ab