Upgrade go version to 1.18 (#5045)

* Upgrade go version to 1.18

* fix go 1.18 compatibility

* update gofmt

* ignore golangci-lint staticcheck

* update gofmt

vendor/golang.org/x/oauth2/go.mod

@@ -1,10 +0,0 @@
-module golang.org/x/oauth2
-
-go 1.11
-
-require (
-	cloud.google.com/go v0.34.0
-	golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e
-	golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 // indirect
-	google.golang.org/appengine v1.4.0
-)

vendor/golang.org/x/oauth2/go.sum

@@ -1,12 +0,0 @@
-cloud.google.com/go v0.34.0 h1:eOI3/cP2VTU6uZLDYAoic+eyzzB9YyGmJ7eIjl8rOPg=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e h1:bRhVy7zSSasaqNksaRZiA5EEI+Ei4I1nO5Jh72wfHlg=
-golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4 h1:YUO/7uOKsKeq9UokNS62b8FYywz3ker1l1vDZRCRefw=
-golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
-google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=

vendor/golang.org/x/sys/cpu/asm_aix_ppc64.s

@@ -0,0 +1,18 @@
+// Copyright 2018 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.
+
+//go:build gc
+// +build gc
+
+#include "textflag.h"
+
+//
+// System calls for ppc64, AIX are implemented in runtime/syscall_aix.go
+//
+
+TEXT ·syscall6(SB),NOSPLIT,$0-88
+	JMP	syscall·syscall6(SB)
+
+TEXT ·rawSyscall6(SB),NOSPLIT,$0-88
+	JMP	syscall·rawSyscall6(SB)

vendor/golang.org/x/sys/cpu/byteorder.go

@@ -5,26 +5,62 @@
 package cpu
 
 import (
-	"encoding/binary"
 	"runtime"
 )
 
-// hostByteOrder returns binary.LittleEndian on little-endian machines and
-// binary.BigEndian on big-endian machines.
-func hostByteOrder() binary.ByteOrder {
+// byteOrder is a subset of encoding/binary.ByteOrder.
+type byteOrder interface {
+	Uint32([]byte) uint32
+	Uint64([]byte) uint64
+}
+
+type littleEndian struct{}
+type bigEndian struct{}
+
+func (littleEndian) Uint32(b []byte) uint32 {
+	_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+	return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
+}
+
+func (littleEndian) Uint64(b []byte) uint64 {
+	_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
+	return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
+		uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
+}
+
+func (bigEndian) Uint32(b []byte) uint32 {
+	_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+	return uint32(b[3]) | uint32(b[2])<<8 | uint32(b[1])<<16 | uint32(b[0])<<24
+}
+
+func (bigEndian) Uint64(b []byte) uint64 {
+	_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
+	return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
+		uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
+}
+
+// hostByteOrder returns littleEndian on little-endian machines and
+// bigEndian on big-endian machines.
+func hostByteOrder() byteOrder {
 	switch runtime.GOARCH {
 	case "386", "amd64", "amd64p32",
+		"alpha",
 		"arm", "arm64",
+		"loong64",
 		"mipsle", "mips64le", "mips64p32le",
+		"nios2",
 		"ppc64le",
-		"riscv", "riscv64":
-		return binary.LittleEndian
+		"riscv", "riscv64",
+		"sh":
+		return littleEndian{}
 	case "armbe", "arm64be",
+		"m68k",
 		"mips", "mips64", "mips64p32",
 		"ppc", "ppc64",
 		"s390", "s390x",
+		"shbe",
 		"sparc", "sparc64":
-		return binary.BigEndian
+		return bigEndian{}
 	}
 	panic("unknown architecture")
 }

vendor/golang.org/x/sys/cpu/cpu.go

@@ -6,6 +6,11 @@
 // various CPU architectures.
 package cpu
 
+import (
+	"os"
+	"strings"
+)
+
 // Initialized reports whether the CPU features were initialized.
 //
 // For some GOOS/GOARCH combinations initialization of the CPU features depends
@@ -24,26 +29,47 @@ type CacheLinePad struct{ _ [cacheLineSize]byte }
 // and HasAVX2 are only set if the OS supports XMM and YMM
 // registers in addition to the CPUID feature bit being set.
 var X86 struct {
-	_            CacheLinePad
-	HasAES       bool // AES hardware implementation (AES NI)
-	HasADX       bool // Multi-precision add-carry instruction extensions
-	HasAVX       bool // Advanced vector extension
-	HasAVX2      bool // Advanced vector extension 2
-	HasBMI1      bool // Bit manipulation instruction set 1
-	HasBMI2      bool // Bit manipulation instruction set 2
-	HasERMS      bool // Enhanced REP for MOVSB and STOSB
-	HasFMA       bool // Fused-multiply-add instructions
-	HasOSXSAVE   bool // OS supports XSAVE/XRESTOR for saving/restoring XMM registers.
-	HasPCLMULQDQ bool // PCLMULQDQ instruction - most often used for AES-GCM
-	HasPOPCNT    bool // Hamming weight instruction POPCNT.
-	HasRDRAND    bool // RDRAND instruction (on-chip random number generator)
-	HasRDSEED    bool // RDSEED instruction (on-chip random number generator)
-	HasSSE2      bool // Streaming SIMD extension 2 (always available on amd64)
-	HasSSE3      bool // Streaming SIMD extension 3
-	HasSSSE3     bool // Supplemental streaming SIMD extension 3
-	HasSSE41     bool // Streaming SIMD extension 4 and 4.1
-	HasSSE42     bool // Streaming SIMD extension 4 and 4.2
-	_            CacheLinePad
+	_                   CacheLinePad
+	HasAES              bool // AES hardware implementation (AES NI)
+	HasADX              bool // Multi-precision add-carry instruction extensions
+	HasAVX              bool // Advanced vector extension
+	HasAVX2             bool // Advanced vector extension 2
+	HasAVX512           bool // Advanced vector extension 512
+	HasAVX512F          bool // Advanced vector extension 512 Foundation Instructions
+	HasAVX512CD         bool // Advanced vector extension 512 Conflict Detection Instructions
+	HasAVX512ER         bool // Advanced vector extension 512 Exponential and Reciprocal Instructions
+	HasAVX512PF         bool // Advanced vector extension 512 Prefetch Instructions Instructions
+	HasAVX512VL         bool // Advanced vector extension 512 Vector Length Extensions
+	HasAVX512BW         bool // Advanced vector extension 512 Byte and Word Instructions
+	HasAVX512DQ         bool // Advanced vector extension 512 Doubleword and Quadword Instructions
+	HasAVX512IFMA       bool // Advanced vector extension 512 Integer Fused Multiply Add
+	HasAVX512VBMI       bool // Advanced vector extension 512 Vector Byte Manipulation Instructions
+	HasAVX5124VNNIW     bool // Advanced vector extension 512 Vector Neural Network Instructions Word variable precision
+	HasAVX5124FMAPS     bool // Advanced vector extension 512 Fused Multiply Accumulation Packed Single precision
+	HasAVX512VPOPCNTDQ  bool // Advanced vector extension 512 Double and quad word population count instructions
+	HasAVX512VPCLMULQDQ bool // Advanced vector extension 512 Vector carry-less multiply operations
+	HasAVX512VNNI       bool // Advanced vector extension 512 Vector Neural Network Instructions
+	HasAVX512GFNI       bool // Advanced vector extension 512 Galois field New Instructions
+	HasAVX512VAES       bool // Advanced vector extension 512 Vector AES instructions
+	HasAVX512VBMI2      bool // Advanced vector extension 512 Vector Byte Manipulation Instructions 2
+	HasAVX512BITALG     bool // Advanced vector extension 512 Bit Algorithms
+	HasAVX512BF16       bool // Advanced vector extension 512 BFloat16 Instructions
+	HasBMI1             bool // Bit manipulation instruction set 1
+	HasBMI2             bool // Bit manipulation instruction set 2
+	HasCX16             bool // Compare and exchange 16 Bytes
+	HasERMS             bool // Enhanced REP for MOVSB and STOSB
+	HasFMA              bool // Fused-multiply-add instructions
+	HasOSXSAVE          bool // OS supports XSAVE/XRESTOR for saving/restoring XMM registers.
+	HasPCLMULQDQ        bool // PCLMULQDQ instruction - most often used for AES-GCM
+	HasPOPCNT           bool // Hamming weight instruction POPCNT.
+	HasRDRAND           bool // RDRAND instruction (on-chip random number generator)
+	HasRDSEED           bool // RDSEED instruction (on-chip random number generator)
+	HasSSE2             bool // Streaming SIMD extension 2 (always available on amd64)
+	HasSSE3             bool // Streaming SIMD extension 3
+	HasSSSE3            bool // Supplemental streaming SIMD extension 3
+	HasSSE41            bool // Streaming SIMD extension 4 and 4.1
+	HasSSE42            bool // Streaming SIMD extension 4 and 4.2
+	_                   CacheLinePad
 }
 
 // ARM64 contains the supported CPU features of the
@@ -78,20 +104,64 @@ var ARM64 struct {
 	_           CacheLinePad
 }
 
+// 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.
+var ARM struct {
+	_           CacheLinePad
+	HasSWP      bool // SWP instruction support
+	HasHALF     bool // Half-word load and store support
+	HasTHUMB    bool // ARM Thumb instruction set
+	Has26BIT    bool // Address space limited to 26-bits
+	HasFASTMUL  bool // 32-bit operand, 64-bit result multiplication support
+	HasFPA      bool // Floating point arithmetic support
+	HasVFP      bool // Vector floating point support
+	HasEDSP     bool // DSP Extensions support
+	HasJAVA     bool // Java instruction set
+	HasIWMMXT   bool // Intel Wireless MMX technology support
+	HasCRUNCH   bool // MaverickCrunch context switching and handling
+	HasTHUMBEE  bool // Thumb EE instruction set
+	HasNEON     bool // NEON instruction set
+	HasVFPv3    bool // Vector floating point version 3 support
+	HasVFPv3D16 bool // Vector floating point version 3 D8-D15
+	HasTLS      bool // Thread local storage support
+	HasVFPv4    bool // Vector floating point version 4 support
+	HasIDIVA    bool // Integer divide instruction support in ARM mode
+	HasIDIVT    bool // Integer divide instruction support in Thumb mode
+	HasVFPD32   bool // Vector floating point version 3 D15-D31
+	HasLPAE     bool // Large Physical Address Extensions
+	HasEVTSTRM  bool // Event stream support
+	HasAES      bool // AES hardware implementation
+	HasPMULL    bool // Polynomial multiplication instruction set
+	HasSHA1     bool // SHA1 hardware implementation
+	HasSHA2     bool // SHA2 hardware implementation
+	HasCRC32    bool // CRC32 hardware implementation
+	_           CacheLinePad
+}
+
+// MIPS64X contains the supported CPU features of the current mips64/mips64le
+// platforms. If the current platform is not mips64/mips64le or the current
+// operating system is not Linux then all feature flags are false.
+var MIPS64X struct {
+	_      CacheLinePad
+	HasMSA bool // MIPS SIMD architecture
+	_      CacheLinePad
+}
+
 // PPC64 contains the supported CPU features of the current ppc64/ppc64le platforms.
 // If the current platform is not ppc64/ppc64le then all feature flags are false.
 //
 // For ppc64/ppc64le, it is safe to check only for ISA level starting on ISA v3.00,
 // since there are no optional categories. There are some exceptions that also
 // require kernel support to work (DARN, SCV), so there are feature bits for
-// those as well. The minimum processor requirement is POWER8 (ISA 2.07).
-// The struct is padded to avoid false sharing.
+// those as well. The struct is padded to avoid false sharing.
 var PPC64 struct {
 	_        CacheLinePad
 	HasDARN  bool // Hardware random number generator (requires kernel enablement)
 	HasSCV   bool // Syscall vectored (requires kernel enablement)
 	IsPOWER8 bool // ISA v2.07 (POWER8)
-	IsPOWER9 bool // ISA v3.00 (POWER9)
+	IsPOWER9 bool // ISA v3.00 (POWER9), implies IsPOWER8
 	_        CacheLinePad
 }
 
@@ -124,3 +194,94 @@ var S390X struct {
 	HasVXE    bool // vector-enhancements facility 1
 	_         CacheLinePad
 }
+
+func init() {
+	archInit()
+	initOptions()
+	processOptions()
+}
+
+// options contains the cpu debug options that can be used in GODEBUG.
+// Options are arch dependent and are added by the arch specific initOptions functions.
+// Features that are mandatory for the specific GOARCH should have the Required field set
+// (e.g. SSE2 on amd64).
+var options []option
+
+// Option names should be lower case. e.g. avx instead of AVX.
+type option struct {
+	Name      string
+	Feature   *bool
+	Specified bool // whether feature value was specified in GODEBUG
+	Enable    bool // whether feature should be enabled
+	Required  bool // whether feature is mandatory and can not be disabled
+}
+
+func processOptions() {
+	env := os.Getenv("GODEBUG")
+field:
+	for env != "" {
+		field := ""
+		i := strings.IndexByte(env, ',')
+		if i < 0 {
+			field, env = env, ""
+		} else {
+			field, env = env[:i], env[i+1:]
+		}
+		if len(field) < 4 || field[:4] != "cpu." {
+			continue
+		}
+		i = strings.IndexByte(field, '=')
+		if i < 0 {
+			print("GODEBUG sys/cpu: no value specified for \"", field, "\"\n")
+			continue
+		}
+		key, value := field[4:i], field[i+1:] // e.g. "SSE2", "on"
+
+		var enable bool
+		switch value {
+		case "on":
+			enable = true
+		case "off":
+			enable = false
+		default:
+			print("GODEBUG sys/cpu: value \"", value, "\" not supported for cpu option \"", key, "\"\n")
+			continue field
+		}
+
+		if key == "all" {
+			for i := range options {
+				options[i].Specified = true
+				options[i].Enable = enable || options[i].Required
+			}
+			continue field
+		}
+
+		for i := range options {
+			if options[i].Name == key {
+				options[i].Specified = true
+				options[i].Enable = enable
+				continue field
+			}
+		}
+
+		print("GODEBUG sys/cpu: unknown cpu feature \"", key, "\"\n")
+	}
+
+	for _, o := range options {
+		if !o.Specified {
+			continue
+		}
+
+		if o.Enable && !*o.Feature {
+			print("GODEBUG sys/cpu: can not enable \"", o.Name, "\", missing CPU support\n")
+			continue
+		}
+
+		if !o.Enable && o.Required {
+			print("GODEBUG sys/cpu: can not disable \"", o.Name, "\", required CPU feature\n")
+			continue
+		}
+
+		*o.Feature = o.Enable
+	}
+}

vendor/golang.org/x/sys/cpu/cpu_aix.go

@@ -0,0 +1,34 @@
+// Copyright 2019 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.
+
+//go:build aix
+// +build aix
+
+package cpu
+
+const (
+	// getsystemcfg constants
+	_SC_IMPL     = 2
+	_IMPL_POWER8 = 0x10000
+	_IMPL_POWER9 = 0x20000
+)
+
+func archInit() {
+	impl := getsystemcfg(_SC_IMPL)
+	if impl&_IMPL_POWER8 != 0 {
+		PPC64.IsPOWER8 = true
+	}
+	if impl&_IMPL_POWER9 != 0 {
+		PPC64.IsPOWER8 = true
+		PPC64.IsPOWER9 = true
+	}
+
+	Initialized = true
+}
+
+func getsystemcfg(label int) (n uint64) {
+	r0, _ := callgetsystemcfg(label)
+	n = uint64(r0)
+	return
+}

vendor/golang.org/x/sys/cpu/cpu_arm.go

@@ -6,4 +6,68 @@ package cpu
 
 const cacheLineSize = 32
 
-func doinit() {}
+// HWCAP/HWCAP2 bits.
+// These are specific to Linux.
+const (
+	hwcap_SWP       = 1 << 0
+	hwcap_HALF      = 1 << 1
+	hwcap_THUMB     = 1 << 2
+	hwcap_26BIT     = 1 << 3
+	hwcap_FAST_MULT = 1 << 4
+	hwcap_FPA       = 1 << 5
+	hwcap_VFP       = 1 << 6
+	hwcap_EDSP      = 1 << 7
+	hwcap_JAVA      = 1 << 8
+	hwcap_IWMMXT    = 1 << 9
+	hwcap_CRUNCH    = 1 << 10
+	hwcap_THUMBEE   = 1 << 11
+	hwcap_NEON      = 1 << 12
+	hwcap_VFPv3     = 1 << 13
+	hwcap_VFPv3D16  = 1 << 14
+	hwcap_TLS       = 1 << 15
+	hwcap_VFPv4     = 1 << 16
+	hwcap_IDIVA     = 1 << 17
+	hwcap_IDIVT     = 1 << 18
+	hwcap_VFPD32    = 1 << 19
+	hwcap_LPAE      = 1 << 20
+	hwcap_EVTSTRM   = 1 << 21
+
+	hwcap2_AES   = 1 << 0
+	hwcap2_PMULL = 1 << 1
+	hwcap2_SHA1  = 1 << 2
+	hwcap2_SHA2  = 1 << 3
+	hwcap2_CRC32 = 1 << 4
+)
+
+func initOptions() {
+	options = []option{
+		{Name: "pmull", Feature: &ARM.HasPMULL},
+		{Name: "sha1", Feature: &ARM.HasSHA1},
+		{Name: "sha2", Feature: &ARM.HasSHA2},
+		{Name: "swp", Feature: &ARM.HasSWP},
+		{Name: "thumb", Feature: &ARM.HasTHUMB},
+		{Name: "thumbee", Feature: &ARM.HasTHUMBEE},
+		{Name: "tls", Feature: &ARM.HasTLS},
+		{Name: "vfp", Feature: &ARM.HasVFP},
+		{Name: "vfpd32", Feature: &ARM.HasVFPD32},
+		{Name: "vfpv3", Feature: &ARM.HasVFPv3},
+		{Name: "vfpv3d16", Feature: &ARM.HasVFPv3D16},
+		{Name: "vfpv4", Feature: &ARM.HasVFPv4},
+		{Name: "half", Feature: &ARM.HasHALF},
+		{Name: "26bit", Feature: &ARM.Has26BIT},
+		{Name: "fastmul", Feature: &ARM.HasFASTMUL},
+		{Name: "fpa", Feature: &ARM.HasFPA},
+		{Name: "edsp", Feature: &ARM.HasEDSP},
+		{Name: "java", Feature: &ARM.HasJAVA},
+		{Name: "iwmmxt", Feature: &ARM.HasIWMMXT},
+		{Name: "crunch", Feature: &ARM.HasCRUNCH},
+		{Name: "neon", Feature: &ARM.HasNEON},
+		{Name: "idivt", Feature: &ARM.HasIDIVT},
+		{Name: "idiva", Feature: &ARM.HasIDIVA},
+		{Name: "lpae", Feature: &ARM.HasLPAE},
+		{Name: "evtstrm", Feature: &ARM.HasEVTSTRM},
+		{Name: "aes", Feature: &ARM.HasAES},
+		{Name: "crc32", Feature: &ARM.HasCRC32},
+	}
+
+}

vendor/golang.org/x/sys/cpu/cpu_arm64.go

@@ -0,0 +1,172 @@
+// Copyright 2019 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.
+
+package cpu
+
+import "runtime"
+
+const cacheLineSize = 64
+
+func initOptions() {
+	options = []option{
+		{Name: "fp", Feature: &ARM64.HasFP},
+		{Name: "asimd", Feature: &ARM64.HasASIMD},
+		{Name: "evstrm", Feature: &ARM64.HasEVTSTRM},
+		{Name: "aes", Feature: &ARM64.HasAES},
+		{Name: "fphp", Feature: &ARM64.HasFPHP},
+		{Name: "jscvt", Feature: &ARM64.HasJSCVT},
+		{Name: "lrcpc", Feature: &ARM64.HasLRCPC},
+		{Name: "pmull", Feature: &ARM64.HasPMULL},
+		{Name: "sha1", Feature: &ARM64.HasSHA1},
+		{Name: "sha2", Feature: &ARM64.HasSHA2},
+		{Name: "sha3", Feature: &ARM64.HasSHA3},
+		{Name: "sha512", Feature: &ARM64.HasSHA512},
+		{Name: "sm3", Feature: &ARM64.HasSM3},
+		{Name: "sm4", Feature: &ARM64.HasSM4},
+		{Name: "sve", Feature: &ARM64.HasSVE},
+		{Name: "crc32", Feature: &ARM64.HasCRC32},
+		{Name: "atomics", Feature: &ARM64.HasATOMICS},
+		{Name: "asimdhp", Feature: &ARM64.HasASIMDHP},
+		{Name: "cpuid", Feature: &ARM64.HasCPUID},
+		{Name: "asimrdm", Feature: &ARM64.HasASIMDRDM},
+		{Name: "fcma", Feature: &ARM64.HasFCMA},
+		{Name: "dcpop", Feature: &ARM64.HasDCPOP},
+		{Name: "asimddp", Feature: &ARM64.HasASIMDDP},
+		{Name: "asimdfhm", Feature: &ARM64.HasASIMDFHM},
+	}
+}
+
+func archInit() {
+	switch runtime.GOOS {
+	case "freebsd":
+		readARM64Registers()
+	case "linux", "netbsd":
+		doinit()
+	default:
+		// Most platforms don't seem to allow reading these registers.
+		//
+		// OpenBSD:
+		// See https://golang.org/issue/31746
+		setMinimalFeatures()
+	}
+}
+
+// setMinimalFeatures fakes the minimal ARM64 features expected by
+// TestARM64minimalFeatures.
+func setMinimalFeatures() {
+	ARM64.HasASIMD = true
+	ARM64.HasFP = true
+}
+
+func readARM64Registers() {
+	Initialized = true
+
+	parseARM64SystemRegisters(getisar0(), getisar1(), getpfr0())
+}
+
+func parseARM64SystemRegisters(isar0, isar1, pfr0 uint64) {
+	// ID_AA64ISAR0_EL1
+	switch extractBits(isar0, 4, 7) {
+	case 1:
+		ARM64.HasAES = true
+	case 2:
+		ARM64.HasAES = true
+		ARM64.HasPMULL = true
+	}
+
+	switch extractBits(isar0, 8, 11) {
+	case 1:
+		ARM64.HasSHA1 = true
+	}
+
+	switch extractBits(isar0, 12, 15) {
+	case 1:
+		ARM64.HasSHA2 = true
+	case 2:
+		ARM64.HasSHA2 = true
+		ARM64.HasSHA512 = true
+	}
+
+	switch extractBits(isar0, 16, 19) {
+	case 1:
+		ARM64.HasCRC32 = true
+	}
+
+	switch extractBits(isar0, 20, 23) {
+	case 2:
+		ARM64.HasATOMICS = true
+	}
+
+	switch extractBits(isar0, 28, 31) {
+	case 1:
+		ARM64.HasASIMDRDM = true
+	}
+
+	switch extractBits(isar0, 32, 35) {
+	case 1:
+		ARM64.HasSHA3 = true
+	}
+
+	switch extractBits(isar0, 36, 39) {
+	case 1:
+		ARM64.HasSM3 = true
+	}
+
+	switch extractBits(isar0, 40, 43) {
+	case 1:
+		ARM64.HasSM4 = true
+	}
+
+	switch extractBits(isar0, 44, 47) {
+	case 1:
+		ARM64.HasASIMDDP = true
+	}
+
+	// ID_AA64ISAR1_EL1
+	switch extractBits(isar1, 0, 3) {
+	case 1:
+		ARM64.HasDCPOP = true
+	}
+
+	switch extractBits(isar1, 12, 15) {
+	case 1:
+		ARM64.HasJSCVT = true
+	}
+
+	switch extractBits(isar1, 16, 19) {
+	case 1:
+		ARM64.HasFCMA = true
+	}
+
+	switch extractBits(isar1, 20, 23) {
+	case 1:
+		ARM64.HasLRCPC = true
+	}
+
+	// ID_AA64PFR0_EL1
+	switch extractBits(pfr0, 16, 19) {
+	case 0:
+		ARM64.HasFP = true
+	case 1:
+		ARM64.HasFP = true
+		ARM64.HasFPHP = true
+	}
+
+	switch extractBits(pfr0, 20, 23) {
+	case 0:
+		ARM64.HasASIMD = true
+	case 1:
+		ARM64.HasASIMD = true
+		ARM64.HasASIMDHP = true
+	}
+
+	switch extractBits(pfr0, 32, 35) {
+	case 1:
+		ARM64.HasSVE = true
+	}
+}
+
+func extractBits(data uint64, start, end uint) uint {
+	return (uint)(data>>start) & ((1 << (end - start + 1)) - 1)
+}

vendor/golang.org/x/sys/cpu/cpu_arm64.s

@@ -0,0 +1,32 @@
+// Copyright 2019 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.
+
+//go:build gc
+// +build gc
+
+#include "textflag.h"
+
+// func getisar0() uint64
+TEXT ·getisar0(SB),NOSPLIT,$0-8
+	// get Instruction Set Attributes 0 into x0
+	// mrs x0, ID_AA64ISAR0_EL1 = d5380600
+	WORD	$0xd5380600
+	MOVD	R0, ret+0(FP)
+	RET
+
+// func getisar1() uint64
+TEXT ·getisar1(SB),NOSPLIT,$0-8
+	// get Instruction Set Attributes 1 into x0
+	// mrs x0, ID_AA64ISAR1_EL1 = d5380620
+	WORD	$0xd5380620
+	MOVD	R0, ret+0(FP)
+	RET
+
+// func getpfr0() uint64
+TEXT ·getpfr0(SB),NOSPLIT,$0-8
+	// get Processor Feature Register 0 into x0
+	// mrs x0, ID_AA64PFR0_EL1 = d5380400
+	WORD	$0xd5380400
+	MOVD	R0, ret+0(FP)
+	RET

vendor/golang.org/x/sys/cpu/cpu_gc_arm64.go

@@ -0,0 +1,12 @@
+// Copyright 2019 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.
+
+//go:build gc
+// +build gc
+
+package cpu
+
+func getisar0() uint64
+func getisar1() uint64
+func getpfr0() uint64

vendor/golang.org/x/sys/cpu/cpu_gc_s390x.go

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !gccgo
+//go:build gc
+// +build gc
 
 package cpu
 

vendor/golang.org/x/sys/cpu/cpu_gc_x86.go

@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (386 || amd64 || amd64p32) && gc
 // +build 386 amd64 amd64p32
-// +build !gccgo
+// +build gc
 
 package cpu
 

vendor/golang.org/x/sys/cpu/cpu_gccgo_arm64.go

@@ -0,0 +1,12 @@
+// Copyright 2019 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.
+
+//go:build gccgo
+// +build gccgo
+
+package cpu
+
+func getisar0() uint64 { return 0 }
+func getisar1() uint64 { return 0 }
+func getpfr0() uint64  { return 0 }

vendor/golang.org/x/sys/cpu/cpu_gccgo_s390x.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build gccgo
 // +build gccgo
 
 package cpu

vendor/golang.org/x/sys/cpu/cpu_gccgo_x86.c

@@ -7,6 +7,7 @@
 
 #include <cpuid.h>
 #include <stdint.h>
+#include <x86intrin.h>
 
 // Need to wrap __get_cpuid_count because it's declared as static.
 int
@@ -17,27 +18,21 @@ gccgoGetCpuidCount(uint32_t leaf, uint32_t subleaf,
 	return __get_cpuid_count(leaf, subleaf, eax, ebx, ecx, edx);
 }
 
+#pragma GCC diagnostic ignored "-Wunknown-pragmas"
+#pragma GCC push_options
+#pragma GCC target("xsave")
+#pragma clang attribute push (__attribute__((target("xsave"))), apply_to=function)
+
 // xgetbv reads the contents of an XCR (Extended Control Register)
 // specified in the ECX register into registers EDX:EAX.
 // Currently, the only supported value for XCR is 0.
-//
-// TODO: Replace with a better alternative:
-//
-//     #include <xsaveintrin.h>
-//
-//     #pragma GCC target("xsave")
-//
-//     void gccgoXgetbv(uint32_t *eax, uint32_t *edx) {
-//       unsigned long long x = _xgetbv(0);
-//       *eax = x & 0xffffffff;
-//       *edx = (x >> 32) & 0xffffffff;
-//     }
-//
-// Note that _xgetbv is defined starting with GCC 8.
 void
 gccgoXgetbv(uint32_t *eax, uint32_t *edx)
 {
-	__asm("  xorl %%ecx, %%ecx\n"
-	      "  xgetbv"
-	    : "=a"(*eax), "=d"(*edx));
+	uint64_t v = _xgetbv(0);
+	*eax = v & 0xffffffff;
+	*edx = v >> 32;
 }
+
+#pragma clang attribute pop
+#pragma GCC pop_options

vendor/golang.org/x/sys/cpu/cpu_gccgo_x86.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (386 || amd64 || amd64p32) && gccgo
 // +build 386 amd64 amd64p32
 // +build gccgo
 
@@ -24,3 +25,9 @@ func xgetbv() (eax, edx uint32) {
 	gccgoXgetbv(&a, &d)
 	return a, d
 }
+
+// gccgo doesn't build on Darwin, per:
+// https://github.com/Homebrew/homebrew-core/blob/HEAD/Formula/gcc.rb#L76
+func darwinSupportsAVX512() bool {
+	return false
+}

vendor/golang.org/x/sys/cpu/cpu_linux.go

@@ -2,58 +2,15 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//+build !amd64,!amd64p32,!386
+//go:build !386 && !amd64 && !amd64p32 && !arm64
+// +build !386,!amd64,!amd64p32,!arm64
 
 package cpu
 
-import (
-	"io/ioutil"
-)
-
-const (
-	_AT_HWCAP  = 16
-	_AT_HWCAP2 = 26
-
-	procAuxv = "/proc/self/auxv"
-
-	uintSize = int(32 << (^uint(0) >> 63))
-)
-
-// For those platforms don't have a 'cpuid' equivalent we use HWCAP/HWCAP2
-// These are initialized in cpu_$GOARCH.go
-// and should not be changed after they are initialized.
-var hwCap uint
-var hwCap2 uint
-
-func init() {
-	buf, err := ioutil.ReadFile(procAuxv)
-	if err != nil {
-		// e.g. on android /proc/self/auxv is not accessible, so silently
-		// ignore the error and leave Initialized = false
+func archInit() {
+	if err := readHWCAP(); err != nil {
 		return
 	}
-
-	bo := hostByteOrder()
-	for len(buf) >= 2*(uintSize/8) {
-		var tag, val uint
-		switch uintSize {
-		case 32:
-			tag = uint(bo.Uint32(buf[0:]))
-			val = uint(bo.Uint32(buf[4:]))
-			buf = buf[8:]
-		case 64:
-			tag = uint(bo.Uint64(buf[0:]))
-			val = uint(bo.Uint64(buf[8:]))
-			buf = buf[16:]
-		}
-		switch tag {
-		case _AT_HWCAP:
-			hwCap = val
-		case _AT_HWCAP2:
-			hwCap2 = val
-		}
-	}
 	doinit()
-
 	Initialized = true
 }

vendor/golang.org/x/sys/cpu/cpu_linux_arm.go

@@ -0,0 +1,39 @@
+// Copyright 2019 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.
+
+package cpu
+
+func doinit() {
+	ARM.HasSWP = isSet(hwCap, hwcap_SWP)
+	ARM.HasHALF = isSet(hwCap, hwcap_HALF)
+	ARM.HasTHUMB = isSet(hwCap, hwcap_THUMB)
+	ARM.Has26BIT = isSet(hwCap, hwcap_26BIT)
+	ARM.HasFASTMUL = isSet(hwCap, hwcap_FAST_MULT)
+	ARM.HasFPA = isSet(hwCap, hwcap_FPA)
+	ARM.HasVFP = isSet(hwCap, hwcap_VFP)
+	ARM.HasEDSP = isSet(hwCap, hwcap_EDSP)
+	ARM.HasJAVA = isSet(hwCap, hwcap_JAVA)
+	ARM.HasIWMMXT = isSet(hwCap, hwcap_IWMMXT)
+	ARM.HasCRUNCH = isSet(hwCap, hwcap_CRUNCH)
+	ARM.HasTHUMBEE = isSet(hwCap, hwcap_THUMBEE)
+	ARM.HasNEON = isSet(hwCap, hwcap_NEON)
+	ARM.HasVFPv3 = isSet(hwCap, hwcap_VFPv3)
+	ARM.HasVFPv3D16 = isSet(hwCap, hwcap_VFPv3D16)
+	ARM.HasTLS = isSet(hwCap, hwcap_TLS)
+	ARM.HasVFPv4 = isSet(hwCap, hwcap_VFPv4)
+	ARM.HasIDIVA = isSet(hwCap, hwcap_IDIVA)
+	ARM.HasIDIVT = isSet(hwCap, hwcap_IDIVT)
+	ARM.HasVFPD32 = isSet(hwCap, hwcap_VFPD32)
+	ARM.HasLPAE = isSet(hwCap, hwcap_LPAE)
+	ARM.HasEVTSTRM = isSet(hwCap, hwcap_EVTSTRM)
+	ARM.HasAES = isSet(hwCap2, hwcap2_AES)
+	ARM.HasPMULL = isSet(hwCap2, hwcap2_PMULL)
+	ARM.HasSHA1 = isSet(hwCap2, hwcap2_SHA1)
+	ARM.HasSHA2 = isSet(hwCap2, hwcap2_SHA2)
+	ARM.HasCRC32 = isSet(hwCap2, hwcap2_CRC32)
+}
+
+func isSet(hwc uint, value uint) bool {
+	return hwc&value != 0
+}

vendor/golang.org/x/sys/cpu/cpu_linux_arm64.go

@@ -4,8 +4,6 @@
 
 package cpu
 
-const cacheLineSize = 64
-
 // HWCAP/HWCAP2 bits. These are exposed by Linux.
 const (
 	hwcap_FP       = 1 << 0
@@ -35,6 +33,12 @@ const (
 )
 
 func doinit() {
+	if err := readHWCAP(); err != nil {
+		// failed to read /proc/self/auxv, try reading registers directly
+		readARM64Registers()
+		return
+	}
+
 	// HWCAP feature bits
 	ARM64.HasFP = isSet(hwCap, hwcap_FP)
 	ARM64.HasASIMD = isSet(hwCap, hwcap_ASIMD)

vendor/golang.org/x/sys/cpu/cpu_linux_mips64x.go

@@ -0,0 +1,24 @@
+// Copyright 2020 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.
+
+//go:build linux && (mips64 || mips64le)
+// +build linux
+// +build mips64 mips64le
+
+package cpu
+
+// HWCAP bits. These are exposed by the Linux kernel 5.4.
+const (
+	// CPU features
+	hwcap_MIPS_MSA = 1 << 1
+)
+
+func doinit() {
+	// HWCAP feature bits
+	MIPS64X.HasMSA = isSet(hwCap, hwcap_MIPS_MSA)
+}
+
+func isSet(hwc uint, value uint) bool {
+	return hwc&value != 0
+}

vendor/golang.org/x/sys/cpu/cpu_linux_noinit.go

@@ -0,0 +1,10 @@
+// Copyright 2019 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.
+
+//go:build linux && !arm && !arm64 && !mips64 && !mips64le && !ppc64 && !ppc64le && !s390x
+// +build linux,!arm,!arm64,!mips64,!mips64le,!ppc64,!ppc64le,!s390x
+
+package cpu
+
+func doinit() {}

vendor/golang.org/x/sys/cpu/cpu_linux_ppc64x.go

@@ -2,13 +2,12 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build linux && (ppc64 || ppc64le)
 // +build linux
 // +build ppc64 ppc64le
 
 package cpu
 
-const cacheLineSize = 128
-
 // HWCAP/HWCAP2 bits. These are exposed by the kernel.
 const (
 	// ISA Level

vendor/golang.org/x/sys/cpu/cpu_linux_s390x.go

@@ -4,8 +4,6 @@
 
 package cpu
 
-const cacheLineSize = 256
-
 const (
 	// bit mask values from /usr/include/bits/hwcap.h
 	hwcap_ZARCH  = 2
@@ -19,86 +17,7 @@ const (
 	hwcap_VXE    = 8192
 )
 
-// bitIsSet reports whether the bit at index is set. The bit index
-// is in big endian order, so bit index 0 is the leftmost bit.
-func bitIsSet(bits []uint64, index uint) bool {
-	return bits[index/64]&((1<<63)>>(index%64)) != 0
-}
-
-// function is the code for the named cryptographic function.
-type function uint8
-
-const (
-	// KM{,A,C,CTR} function codes
-	aes128 function = 18 // AES-128
-	aes192 function = 19 // AES-192
-	aes256 function = 20 // AES-256
-
-	// K{I,L}MD function codes
-	sha1     function = 1  // SHA-1
-	sha256   function = 2  // SHA-256
-	sha512   function = 3  // SHA-512
-	sha3_224 function = 32 // SHA3-224
-	sha3_256 function = 33 // SHA3-256
-	sha3_384 function = 34 // SHA3-384
-	sha3_512 function = 35 // SHA3-512
-	shake128 function = 36 // SHAKE-128
-	shake256 function = 37 // SHAKE-256
-
-	// KLMD function codes
-	ghash function = 65 // GHASH
-)
-
-// queryResult contains the result of a Query function
-// call. Bits are numbered in big endian order so the
-// leftmost bit (the MSB) is at index 0.
-type queryResult struct {
-	bits [2]uint64
-}
-
-// Has reports whether the given functions are present.
-func (q *queryResult) Has(fns ...function) bool {
-	if len(fns) == 0 {
-		panic("no function codes provided")
-	}
-	for _, f := range fns {
-		if !bitIsSet(q.bits[:], uint(f)) {
-			return false
-		}
-	}
-	return true
-}
-
-// facility is a bit index for the named facility.
-type facility uint8
-
-const (
-	// cryptography facilities
-	msa4 facility = 77  // message-security-assist extension 4
-	msa8 facility = 146 // message-security-assist extension 8
-)
-
-// facilityList contains the result of an STFLE call.
-// Bits are numbered in big endian order so the
-// leftmost bit (the MSB) is at index 0.
-type facilityList struct {
-	bits [4]uint64
-}
-
-// Has reports whether the given facilities are present.
-func (s *facilityList) Has(fs ...facility) bool {
-	if len(fs) == 0 {
-		panic("no facility bits provided")
-	}
-	for _, f := range fs {
-		if !bitIsSet(s.bits[:], uint(f)) {
-			return false
-		}
-	}
-	return true
-}
-
-func doinit() {
+func initS390Xbase() {
 	// test HWCAP bit vector
 	has := func(featureMask uint) bool {
 		return hwCap&featureMask == featureMask
@@ -118,44 +37,4 @@ func doinit() {
 	if S390X.HasVX {
 		S390X.HasVXE = has(hwcap_VXE)
 	}
-
-	// We need implementations of stfle, km and so on
-	// to detect cryptographic features.
-	if !haveAsmFunctions() {
-		return
-	}
-
-	// optional cryptographic functions
-	if S390X.HasMSA {
-		aes := []function{aes128, aes192, aes256}
-
-		// cipher message
-		km, kmc := kmQuery(), kmcQuery()
-		S390X.HasAES = km.Has(aes...)
-		S390X.HasAESCBC = kmc.Has(aes...)
-		if S390X.HasSTFLE {
-			facilities := stfle()
-			if facilities.Has(msa4) {
-				kmctr := kmctrQuery()
-				S390X.HasAESCTR = kmctr.Has(aes...)
-			}
-			if facilities.Has(msa8) {
-				kma := kmaQuery()
-				S390X.HasAESGCM = kma.Has(aes...)
-			}
-		}
-
-		// compute message digest
-		kimd := kimdQuery() // intermediate (no padding)
-		klmd := klmdQuery() // last (padding)
-		S390X.HasSHA1 = kimd.Has(sha1) && klmd.Has(sha1)
-		S390X.HasSHA256 = kimd.Has(sha256) && klmd.Has(sha256)
-		S390X.HasSHA512 = kimd.Has(sha512) && klmd.Has(sha512)
-		S390X.HasGHASH = kimd.Has(ghash) // KLMD-GHASH does not exist
-		sha3 := []function{
-			sha3_224, sha3_256, sha3_384, sha3_512,
-			shake128, shake256,
-		}
-		S390X.HasSHA3 = kimd.Has(sha3...) && klmd.Has(sha3...)
-	}
 }

vendor/golang.org/x/sys/cpu/cpu_loong64.go

@@ -0,0 +1,13 @@
+// Copyright 2022 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.
+
+//go:build loong64
+// +build loong64
+
+package cpu
+
+const cacheLineSize = 64
+
+func initOptions() {
+}

vendor/golang.org/x/sys/cpu/cpu_mips64x.go

@@ -2,10 +2,15 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build mips64 || mips64le
 // +build mips64 mips64le
 
 package cpu
 
 const cacheLineSize = 32
 
-func doinit() {}
+func initOptions() {
+	options = []option{
+		{Name: "msa", Feature: &MIPS64X.HasMSA},
+	}
+}

vendor/golang.org/x/sys/cpu/cpu_mipsx.go

@@ -2,10 +2,11 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build mips || mipsle
 // +build mips mipsle
 
 package cpu
 
 const cacheLineSize = 32
 
-func doinit() {}
+func initOptions() {}

vendor/golang.org/x/sys/cpu/cpu_netbsd_arm64.go

@@ -0,0 +1,173 @@
+// Copyright 2020 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.
+
+package cpu
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+// Minimal copy of functionality from x/sys/unix so the cpu package can call
+// sysctl without depending on x/sys/unix.
+
+const (
+	_CTL_QUERY = -2
+
+	_SYSCTL_VERS_1 = 0x1000000
+)
+
+var _zero uintptr
+
+func sysctl(mib []int32, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) {
+	var _p0 unsafe.Pointer
+	if len(mib) > 0 {
+		_p0 = unsafe.Pointer(&mib[0])
+	} else {
+		_p0 = unsafe.Pointer(&_zero)
+	}
+	_, _, errno := syscall.Syscall6(
+		syscall.SYS___SYSCTL,
+		uintptr(_p0),
+		uintptr(len(mib)),
+		uintptr(unsafe.Pointer(old)),
+		uintptr(unsafe.Pointer(oldlen)),
+		uintptr(unsafe.Pointer(new)),
+		uintptr(newlen))
+	if errno != 0 {
+		return errno
+	}
+	return nil
+}
+
+type sysctlNode struct {
+	Flags          uint32
+	Num            int32
+	Name           [32]int8
+	Ver            uint32
+	__rsvd         uint32
+	Un             [16]byte
+	_sysctl_size   [8]byte
+	_sysctl_func   [8]byte
+	_sysctl_parent [8]byte
+	_sysctl_desc   [8]byte
+}
+
+func sysctlNodes(mib []int32) ([]sysctlNode, error) {
+	var olen uintptr
+
+	// Get a list of all sysctl nodes below the given MIB by performing
+	// a sysctl for the given MIB with CTL_QUERY appended.
+	mib = append(mib, _CTL_QUERY)
+	qnode := sysctlNode{Flags: _SYSCTL_VERS_1}
+	qp := (*byte)(unsafe.Pointer(&qnode))
+	sz := unsafe.Sizeof(qnode)
+	if err := sysctl(mib, nil, &olen, qp, sz); err != nil {
+		return nil, err
+	}
+
+	// Now that we know the size, get the actual nodes.
+	nodes := make([]sysctlNode, olen/sz)
+	np := (*byte)(unsafe.Pointer(&nodes[0]))
+	if err := sysctl(mib, np, &olen, qp, sz); err != nil {
+		return nil, err
+	}
+
+	return nodes, nil
+}
+
+func nametomib(name string) ([]int32, error) {
+	// Split name into components.
+	var parts []string
+	last := 0
+	for i := 0; i < len(name); i++ {
+		if name[i] == '.' {
+			parts = append(parts, name[last:i])
+			last = i + 1
+		}
+	}
+	parts = append(parts, name[last:])
+
+	mib := []int32{}
+	// Discover the nodes and construct the MIB OID.
+	for partno, part := range parts {
+		nodes, err := sysctlNodes(mib)
+		if err != nil {
+			return nil, err
+		}
+		for _, node := range nodes {
+			n := make([]byte, 0)
+			for i := range node.Name {
+				if node.Name[i] != 0 {
+					n = append(n, byte(node.Name[i]))
+				}
+			}
+			if string(n) == part {
+				mib = append(mib, int32(node.Num))
+				break
+			}
+		}
+		if len(mib) != partno+1 {
+			return nil, err
+		}
+	}
+
+	return mib, nil
+}
+
+// aarch64SysctlCPUID is struct aarch64_sysctl_cpu_id from NetBSD's <aarch64/armreg.h>
+type aarch64SysctlCPUID struct {
+	midr      uint64 /* Main ID Register */
+	revidr    uint64 /* Revision ID Register */
+	mpidr     uint64 /* Multiprocessor Affinity Register */
+	aa64dfr0  uint64 /* A64 Debug Feature Register 0 */
+	aa64dfr1  uint64 /* A64 Debug Feature Register 1 */
+	aa64isar0 uint64 /* A64 Instruction Set Attribute Register 0 */
+	aa64isar1 uint64 /* A64 Instruction Set Attribute Register 1 */
+	aa64mmfr0 uint64 /* A64 Memory Model Feature Register 0 */
+	aa64mmfr1 uint64 /* A64 Memory Model Feature Register 1 */
+	aa64mmfr2 uint64 /* A64 Memory Model Feature Register 2 */
+	aa64pfr0  uint64 /* A64 Processor Feature Register 0 */
+	aa64pfr1  uint64 /* A64 Processor Feature Register 1 */
+	aa64zfr0  uint64 /* A64 SVE Feature ID Register 0 */
+	mvfr0     uint32 /* Media and VFP Feature Register 0 */
+	mvfr1     uint32 /* Media and VFP Feature Register 1 */
+	mvfr2     uint32 /* Media and VFP Feature Register 2 */
+	pad       uint32
+	clidr     uint64 /* Cache Level ID Register */
+	ctr       uint64 /* Cache Type Register */
+}
+
+func sysctlCPUID(name string) (*aarch64SysctlCPUID, error) {
+	mib, err := nametomib(name)
+	if err != nil {
+		return nil, err
+	}
+
+	out := aarch64SysctlCPUID{}
+	n := unsafe.Sizeof(out)
+	_, _, errno := syscall.Syscall6(
+		syscall.SYS___SYSCTL,
+		uintptr(unsafe.Pointer(&mib[0])),
+		uintptr(len(mib)),
+		uintptr(unsafe.Pointer(&out)),
+		uintptr(unsafe.Pointer(&n)),
+		uintptr(0),
+		uintptr(0))
+	if errno != 0 {
+		return nil, errno
+	}
+	return &out, nil
+}
+
+func doinit() {
+	cpuid, err := sysctlCPUID("machdep.cpu0.cpu_id")
+	if err != nil {
+		setMinimalFeatures()
+		return
+	}
+	parseARM64SystemRegisters(cpuid.aa64isar0, cpuid.aa64isar1, cpuid.aa64pfr0)
+
+	Initialized = true
+}

vendor/golang.org/x/sys/cpu/cpu_other_arm.go

@@ -0,0 +1,10 @@
+// Copyright 2020 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.
+
+//go:build !linux && arm
+// +build !linux,arm
+
+package cpu
+
+func archInit() {}

vendor/golang.org/x/sys/cpu/cpu_other_arm64.go

@@ -2,10 +2,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !linux,arm64
+//go:build !linux && !netbsd && arm64
+// +build !linux,!netbsd,arm64
 
 package cpu
 
-const cacheLineSize = 64
-
 func doinit() {}

vendor/golang.org/x/sys/cpu/cpu_other_mips64x.go

@@ -0,0 +1,13 @@
+// Copyright 2020 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.
+
+//go:build !linux && (mips64 || mips64le)
+// +build !linux
+// +build mips64 mips64le
+
+package cpu
+
+func archInit() {
+	Initialized = true
+}

vendor/golang.org/x/sys/cpu/cpu_other_riscv64.go

@@ -0,0 +1,12 @@
+// Copyright 2022 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.
+
+//go:build !linux && riscv64
+// +build !linux,riscv64
+
+package cpu
+
+func archInit() {
+	Initialized = true
+}

vendor/golang.org/x/sys/cpu/cpu_ppc64x.go

@@ -0,0 +1,17 @@
+// Copyright 2020 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.
+
+//go:build ppc64 || ppc64le
+// +build ppc64 ppc64le
+
+package cpu
+
+const cacheLineSize = 128
+
+func initOptions() {
+	options = []option{
+		{Name: "darn", Feature: &PPC64.HasDARN},
+		{Name: "scv", Feature: &PPC64.HasSCV},
+	}
+}

vendor/golang.org/x/sys/cpu/cpu_riscv64.go

@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !linux
-// +build ppc64 ppc64le
+//go:build riscv64
+// +build riscv64
 
 package cpu
 
-const cacheLineSize = 128
+const cacheLineSize = 32
 
-func doinit() {}
+func initOptions() {}

vendor/golang.org/x/sys/cpu/cpu_s390x.go

@@ -0,0 +1,172 @@
+// Copyright 2020 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.
+
+package cpu
+
+const cacheLineSize = 256
+
+func initOptions() {
+	options = []option{
+		{Name: "zarch", Feature: &S390X.HasZARCH, Required: true},
+		{Name: "stfle", Feature: &S390X.HasSTFLE, Required: true},
+		{Name: "ldisp", Feature: &S390X.HasLDISP, Required: true},
+		{Name: "eimm", Feature: &S390X.HasEIMM, Required: true},
+		{Name: "dfp", Feature: &S390X.HasDFP},
+		{Name: "etf3eh", Feature: &S390X.HasETF3EH},
+		{Name: "msa", Feature: &S390X.HasMSA},
+		{Name: "aes", Feature: &S390X.HasAES},
+		{Name: "aescbc", Feature: &S390X.HasAESCBC},
+		{Name: "aesctr", Feature: &S390X.HasAESCTR},
+		{Name: "aesgcm", Feature: &S390X.HasAESGCM},
+		{Name: "ghash", Feature: &S390X.HasGHASH},
+		{Name: "sha1", Feature: &S390X.HasSHA1},
+		{Name: "sha256", Feature: &S390X.HasSHA256},
+		{Name: "sha3", Feature: &S390X.HasSHA3},
+		{Name: "sha512", Feature: &S390X.HasSHA512},
+		{Name: "vx", Feature: &S390X.HasVX},
+		{Name: "vxe", Feature: &S390X.HasVXE},
+	}
+}
+
+// bitIsSet reports whether the bit at index is set. The bit index
+// is in big endian order, so bit index 0 is the leftmost bit.
+func bitIsSet(bits []uint64, index uint) bool {
+	return bits[index/64]&((1<<63)>>(index%64)) != 0
+}
+
+// facility is a bit index for the named facility.
+type facility uint8
+
+const (
+	// mandatory facilities
+	zarch  facility = 1  // z architecture mode is active
+	stflef facility = 7  // store-facility-list-extended
+	ldisp  facility = 18 // long-displacement
+	eimm   facility = 21 // extended-immediate
+
+	// miscellaneous facilities
+	dfp    facility = 42 // decimal-floating-point
+	etf3eh facility = 30 // extended-translation 3 enhancement
+
+	// cryptography facilities
+	msa  facility = 17  // message-security-assist
+	msa3 facility = 76  // message-security-assist extension 3
+	msa4 facility = 77  // message-security-assist extension 4
+	msa5 facility = 57  // message-security-assist extension 5
+	msa8 facility = 146 // message-security-assist extension 8
+	msa9 facility = 155 // message-security-assist extension 9
+
+	// vector facilities
+	vx   facility = 129 // vector facility
+	vxe  facility = 135 // vector-enhancements 1
+	vxe2 facility = 148 // vector-enhancements 2
+)
+
+// facilityList contains the result of an STFLE call.
+// Bits are numbered in big endian order so the
+// leftmost bit (the MSB) is at index 0.
+type facilityList struct {
+	bits [4]uint64
+}
+
+// Has reports whether the given facilities are present.
+func (s *facilityList) Has(fs ...facility) bool {
+	if len(fs) == 0 {
+		panic("no facility bits provided")
+	}
+	for _, f := range fs {
+		if !bitIsSet(s.bits[:], uint(f)) {
+			return false
+		}
+	}
+	return true
+}
+
+// function is the code for the named cryptographic function.
+type function uint8
+
+const (
+	// KM{,A,C,CTR} function codes
+	aes128 function = 18 // AES-128
+	aes192 function = 19 // AES-192
+	aes256 function = 20 // AES-256
+
+	// K{I,L}MD function codes
+	sha1     function = 1  // SHA-1
+	sha256   function = 2  // SHA-256
+	sha512   function = 3  // SHA-512
+	sha3_224 function = 32 // SHA3-224
+	sha3_256 function = 33 // SHA3-256
+	sha3_384 function = 34 // SHA3-384
+	sha3_512 function = 35 // SHA3-512
+	shake128 function = 36 // SHAKE-128
+	shake256 function = 37 // SHAKE-256
+
+	// KLMD function codes
+	ghash function = 65 // GHASH
+)
+
+// queryResult contains the result of a Query function
+// call. Bits are numbered in big endian order so the
+// leftmost bit (the MSB) is at index 0.
+type queryResult struct {
+	bits [2]uint64
+}
+
+// Has reports whether the given functions are present.
+func (q *queryResult) Has(fns ...function) bool {
+	if len(fns) == 0 {
+		panic("no function codes provided")
+	}
+	for _, f := range fns {
+		if !bitIsSet(q.bits[:], uint(f)) {
+			return false
+		}
+	}
+	return true
+}
+
+func doinit() {
+	initS390Xbase()
+
+	// We need implementations of stfle, km and so on
+	// to detect cryptographic features.
+	if !haveAsmFunctions() {
+		return
+	}
+
+	// optional cryptographic functions
+	if S390X.HasMSA {
+		aes := []function{aes128, aes192, aes256}
+
+		// cipher message
+		km, kmc := kmQuery(), kmcQuery()
+		S390X.HasAES = km.Has(aes...)
+		S390X.HasAESCBC = kmc.Has(aes...)
+		if S390X.HasSTFLE {
+			facilities := stfle()
+			if facilities.Has(msa4) {
+				kmctr := kmctrQuery()
+				S390X.HasAESCTR = kmctr.Has(aes...)
+			}
+			if facilities.Has(msa8) {
+				kma := kmaQuery()
+				S390X.HasAESGCM = kma.Has(aes...)
+			}
+		}
+
+		// compute message digest
+		kimd := kimdQuery() // intermediate (no padding)
+		klmd := klmdQuery() // last (padding)
+		S390X.HasSHA1 = kimd.Has(sha1) && klmd.Has(sha1)
+		S390X.HasSHA256 = kimd.Has(sha256) && klmd.Has(sha256)
+		S390X.HasSHA512 = kimd.Has(sha512) && klmd.Has(sha512)
+		S390X.HasGHASH = kimd.Has(ghash) // KLMD-GHASH does not exist
+		sha3 := []function{
+			sha3_224, sha3_256, sha3_384, sha3_512,
+			shake128, shake256,
+		}
+		S390X.HasSHA3 = kimd.Has(sha3...) && klmd.Has(sha3...)
+	}
+}

vendor/golang.org/x/sys/cpu/cpu_s390x.s

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !gccgo
+//go:build gc
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/cpu/cpu_wasm.go

@@ -0,0 +1,18 @@
+// Copyright 2019 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.
+
+//go:build wasm
+// +build wasm
+
+package cpu
+
+// We're compiling the cpu package for an unknown (software-abstracted) CPU.
+// Make CacheLinePad an empty struct and hope that the usual struct alignment
+// rules are good enough.
+
+const cacheLineSize = 0
+
+func initOptions() {}
+
+func archInit() {}

vendor/golang.org/x/sys/cpu/cpu_x86.go

@@ -2,13 +2,63 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build 386 || amd64 || amd64p32
 // +build 386 amd64 amd64p32
 
 package cpu
 
+import "runtime"
+
 const cacheLineSize = 64
 
-func init() {
+func initOptions() {
+	options = []option{
+		{Name: "adx", Feature: &X86.HasADX},
+		{Name: "aes", Feature: &X86.HasAES},
+		{Name: "avx", Feature: &X86.HasAVX},
+		{Name: "avx2", Feature: &X86.HasAVX2},
+		{Name: "avx512", Feature: &X86.HasAVX512},
+		{Name: "avx512f", Feature: &X86.HasAVX512F},
+		{Name: "avx512cd", Feature: &X86.HasAVX512CD},
+		{Name: "avx512er", Feature: &X86.HasAVX512ER},
+		{Name: "avx512pf", Feature: &X86.HasAVX512PF},
+		{Name: "avx512vl", Feature: &X86.HasAVX512VL},
+		{Name: "avx512bw", Feature: &X86.HasAVX512BW},
+		{Name: "avx512dq", Feature: &X86.HasAVX512DQ},
+		{Name: "avx512ifma", Feature: &X86.HasAVX512IFMA},
+		{Name: "avx512vbmi", Feature: &X86.HasAVX512VBMI},
+		{Name: "avx512vnniw", Feature: &X86.HasAVX5124VNNIW},
+		{Name: "avx5124fmaps", Feature: &X86.HasAVX5124FMAPS},
+		{Name: "avx512vpopcntdq", Feature: &X86.HasAVX512VPOPCNTDQ},
+		{Name: "avx512vpclmulqdq", Feature: &X86.HasAVX512VPCLMULQDQ},
+		{Name: "avx512vnni", Feature: &X86.HasAVX512VNNI},
+		{Name: "avx512gfni", Feature: &X86.HasAVX512GFNI},
+		{Name: "avx512vaes", Feature: &X86.HasAVX512VAES},
+		{Name: "avx512vbmi2", Feature: &X86.HasAVX512VBMI2},
+		{Name: "avx512bitalg", Feature: &X86.HasAVX512BITALG},
+		{Name: "avx512bf16", Feature: &X86.HasAVX512BF16},
+		{Name: "bmi1", Feature: &X86.HasBMI1},
+		{Name: "bmi2", Feature: &X86.HasBMI2},
+		{Name: "cx16", Feature: &X86.HasCX16},
+		{Name: "erms", Feature: &X86.HasERMS},
+		{Name: "fma", Feature: &X86.HasFMA},
+		{Name: "osxsave", Feature: &X86.HasOSXSAVE},
+		{Name: "pclmulqdq", Feature: &X86.HasPCLMULQDQ},
+		{Name: "popcnt", Feature: &X86.HasPOPCNT},
+		{Name: "rdrand", Feature: &X86.HasRDRAND},
+		{Name: "rdseed", Feature: &X86.HasRDSEED},
+		{Name: "sse3", Feature: &X86.HasSSE3},
+		{Name: "sse41", Feature: &X86.HasSSE41},
+		{Name: "sse42", Feature: &X86.HasSSE42},
+		{Name: "ssse3", Feature: &X86.HasSSSE3},
+
+		// These capabilities should always be enabled on amd64:
+		{Name: "sse2", Feature: &X86.HasSSE2, Required: runtime.GOARCH == "amd64"},
+	}
+}
+
+func archInit() {
+
 	Initialized = true
 
 	maxID, _, _, _ := cpuid(0, 0)
@@ -24,6 +74,7 @@ func init() {
 	X86.HasPCLMULQDQ = isSet(1, ecx1)
 	X86.HasSSSE3 = isSet(9, ecx1)
 	X86.HasFMA = isSet(12, ecx1)
+	X86.HasCX16 = isSet(13, ecx1)
 	X86.HasSSE41 = isSet(19, ecx1)
 	X86.HasSSE42 = isSet(20, ecx1)
 	X86.HasPOPCNT = isSet(23, ecx1)
@@ -31,12 +82,22 @@ func init() {
 	X86.HasOSXSAVE = isSet(27, ecx1)
 	X86.HasRDRAND = isSet(30, ecx1)
 
-	osSupportsAVX := false
+	var osSupportsAVX, osSupportsAVX512 bool
 	// For XGETBV, OSXSAVE bit is required and sufficient.
 	if X86.HasOSXSAVE {
 		eax, _ := xgetbv()
 		// Check if XMM and YMM registers have OS support.
 		osSupportsAVX = isSet(1, eax) && isSet(2, eax)
+
+		if runtime.GOOS == "darwin" {
+			// Darwin doesn't save/restore AVX-512 mask registers correctly across signal handlers.
+			// Since users can't rely on mask register contents, let's not advertise AVX-512 support.
+			// See issue 49233.
+			osSupportsAVX512 = false
+		} else {
+			// Check if OPMASK and ZMM registers have OS support.
+			osSupportsAVX512 = osSupportsAVX && isSet(5, eax) && isSet(6, eax) && isSet(7, eax)
+		}
 	}
 
 	X86.HasAVX = isSet(28, ecx1) && osSupportsAVX
@@ -45,13 +106,38 @@ func init() {
 		return
 	}
 
-	_, ebx7, _, _ := cpuid(7, 0)
+	_, ebx7, ecx7, edx7 := cpuid(7, 0)
 	X86.HasBMI1 = isSet(3, ebx7)
 	X86.HasAVX2 = isSet(5, ebx7) && osSupportsAVX
 	X86.HasBMI2 = isSet(8, ebx7)
 	X86.HasERMS = isSet(9, ebx7)
 	X86.HasRDSEED = isSet(18, ebx7)
 	X86.HasADX = isSet(19, ebx7)
+
+	X86.HasAVX512 = isSet(16, ebx7) && osSupportsAVX512 // Because avx-512 foundation is the core required extension
+	if X86.HasAVX512 {
+		X86.HasAVX512F = true
+		X86.HasAVX512CD = isSet(28, ebx7)
+		X86.HasAVX512ER = isSet(27, ebx7)
+		X86.HasAVX512PF = isSet(26, ebx7)
+		X86.HasAVX512VL = isSet(31, ebx7)
+		X86.HasAVX512BW = isSet(30, ebx7)
+		X86.HasAVX512DQ = isSet(17, ebx7)
+		X86.HasAVX512IFMA = isSet(21, ebx7)
+		X86.HasAVX512VBMI = isSet(1, ecx7)
+		X86.HasAVX5124VNNIW = isSet(2, edx7)
+		X86.HasAVX5124FMAPS = isSet(3, edx7)
+		X86.HasAVX512VPOPCNTDQ = isSet(14, ecx7)
+		X86.HasAVX512VPCLMULQDQ = isSet(10, ecx7)
+		X86.HasAVX512VNNI = isSet(11, ecx7)
+		X86.HasAVX512GFNI = isSet(8, ecx7)
+		X86.HasAVX512VAES = isSet(9, ecx7)
+		X86.HasAVX512VBMI2 = isSet(6, ecx7)
+		X86.HasAVX512BITALG = isSet(12, ecx7)
+
+		eax71, _, _, _ := cpuid(7, 1)
+		X86.HasAVX512BF16 = isSet(5, eax71)
+	}
 }
 
 func isSet(bitpos uint, value uint32) bool {

vendor/golang.org/x/sys/cpu/cpu_x86.s

@@ -2,8 +2,9 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (386 || amd64 || amd64p32) && gc
 // +build 386 amd64 amd64p32
-// +build !gccgo
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/cpu/cpu_zos.go

@@ -0,0 +1,10 @@
+// Copyright 2020 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.
+
+package cpu
+
+func archInit() {
+	doinit()
+	Initialized = true
+}

vendor/golang.org/x/sys/cpu/cpu_zos_s390x.go

@@ -0,0 +1,25 @@
+// Copyright 2020 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.
+
+package cpu
+
+func initS390Xbase() {
+	// get the facilities list
+	facilities := stfle()
+
+	// mandatory
+	S390X.HasZARCH = facilities.Has(zarch)
+	S390X.HasSTFLE = facilities.Has(stflef)
+	S390X.HasLDISP = facilities.Has(ldisp)
+	S390X.HasEIMM = facilities.Has(eimm)
+
+	// optional
+	S390X.HasETF3EH = facilities.Has(etf3eh)
+	S390X.HasDFP = facilities.Has(dfp)
+	S390X.HasMSA = facilities.Has(msa)
+	S390X.HasVX = facilities.Has(vx)
+	if S390X.HasVX {
+		S390X.HasVXE = facilities.Has(vxe)
+	}
+}

vendor/golang.org/x/sys/cpu/hwcap_linux.go

@@ -0,0 +1,56 @@
+// Copyright 2019 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.
+
+package cpu
+
+import (
+	"io/ioutil"
+)
+
+const (
+	_AT_HWCAP  = 16
+	_AT_HWCAP2 = 26
+
+	procAuxv = "/proc/self/auxv"
+
+	uintSize = int(32 << (^uint(0) >> 63))
+)
+
+// For those platforms don't have a 'cpuid' equivalent we use HWCAP/HWCAP2
+// These are initialized in cpu_$GOARCH.go
+// and should not be changed after they are initialized.
+var hwCap uint
+var hwCap2 uint
+
+func readHWCAP() error {
+	buf, err := ioutil.ReadFile(procAuxv)
+	if err != nil {
+		// e.g. on android /proc/self/auxv is not accessible, so silently
+		// ignore the error and leave Initialized = false. On some
+		// architectures (e.g. arm64) doinit() implements a fallback
+		// readout and will set Initialized = true again.
+		return err
+	}
+	bo := hostByteOrder()
+	for len(buf) >= 2*(uintSize/8) {
+		var tag, val uint
+		switch uintSize {
+		case 32:
+			tag = uint(bo.Uint32(buf[0:]))
+			val = uint(bo.Uint32(buf[4:]))
+			buf = buf[8:]
+		case 64:
+			tag = uint(bo.Uint64(buf[0:]))
+			val = uint(bo.Uint64(buf[8:]))
+			buf = buf[16:]
+		}
+		switch tag {
+		case _AT_HWCAP:
+			hwCap = val
+		case _AT_HWCAP2:
+			hwCap2 = val
+		}
+	}
+	return nil
+}

vendor/golang.org/x/sys/cpu/syscall_aix_gccgo.go

@@ -0,0 +1,27 @@
+// Copyright 2020 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.
+
+// Recreate a getsystemcfg syscall handler instead of
+// using the one provided by x/sys/unix to avoid having
+// the dependency between them. (See golang.org/issue/32102)
+// Moreover, this file will be used during the building of
+// gccgo's libgo and thus must not used a CGo method.
+
+//go:build aix && gccgo
+// +build aix,gccgo
+
+package cpu
+
+import (
+	"syscall"
+)
+
+//extern getsystemcfg
+func gccgoGetsystemcfg(label uint32) (r uint64)
+
+func callgetsystemcfg(label int) (r1 uintptr, e1 syscall.Errno) {
+	r1 = uintptr(gccgoGetsystemcfg(uint32(label)))
+	e1 = syscall.GetErrno()
+	return
+}

vendor/golang.org/x/sys/cpu/syscall_aix_ppc64_gc.go

@@ -0,0 +1,36 @@
+// Copyright 2019 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.
+
+// Minimal copy of x/sys/unix so the cpu package can make a
+// system call on AIX without depending on x/sys/unix.
+// (See golang.org/issue/32102)
+
+//go:build aix && ppc64 && gc
+// +build aix,ppc64,gc
+
+package cpu
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+//go:cgo_import_dynamic libc_getsystemcfg getsystemcfg "libc.a/shr_64.o"
+
+//go:linkname libc_getsystemcfg libc_getsystemcfg
+
+type syscallFunc uintptr
+
+var libc_getsystemcfg syscallFunc
+
+type errno = syscall.Errno
+
+// Implemented in runtime/syscall_aix.go.
+func rawSyscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err errno)
+func syscall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err errno)
+
+func callgetsystemcfg(label int) (r1 uintptr, e1 errno) {
+	r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_getsystemcfg)), 1, uintptr(label), 0, 0, 0, 0, 0)
+	return
+}

vendor/golang.org/x/sys/internal/unsafeheader/unsafeheader.go

@@ -0,0 +1,30 @@
+// Copyright 2020 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.
+
+// Package unsafeheader contains header declarations for the Go runtime's
+// slice and string implementations.
+//
+// This package allows x/sys to use types equivalent to
+// reflect.SliceHeader and reflect.StringHeader without introducing
+// a dependency on the (relatively heavy) "reflect" package.
+package unsafeheader
+
+import (
+	"unsafe"
+)
+
+// Slice is the runtime representation of a slice.
+// It cannot be used safely or portably and its representation may change in a later release.
+type Slice struct {
+	Data unsafe.Pointer
+	Len  int
+	Cap  int
+}
+
+// String is the runtime representation of a string.
+// It cannot be used safely or portably and its representation may change in a later release.
+type String struct {
+	Data unsafe.Pointer
+	Len  int
+}

vendor/golang.org/x/sys/plan9/mkall.sh

@@ -76,7 +76,7 @@
 GOOSARCH="${GOOS}_${GOARCH}"
 
 # defaults
-mksyscall="./mksyscall.pl"
+mksyscall="go run mksyscall.go"
 mkerrors="./mkerrors.sh"
 zerrors="zerrors_$GOOSARCH.go"
 mksysctl=""
@@ -114,7 +114,19 @@ _* | *_ | _)
 	;;
 plan9_386)
 	mkerrors=
-	mksyscall="./mksyscall.pl -l32 -plan9"
+	mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,386"
+	mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h"
+	mktypes="XXX"
+	;;
+plan9_amd64)
+	mkerrors=
+	mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,amd64"
+	mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h"
+	mktypes="XXX"
+	;;
+plan9_arm)
+	mkerrors=
+	mksyscall="go run mksyscall.go -l32 -plan9 -tags plan9,arm"
 	mksysnum="./mksysnum_plan9.sh /n/sources/plan9/sys/src/libc/9syscall/sys.h"
 	mktypes="XXX"
 	;;
@@ -129,7 +141,7 @@ esac
 	case "$GOOS" in
 	plan9)
 		syscall_goos="syscall_$GOOS.go"
-		if [ -n "$mksyscall" ]; then echo "$mksyscall $syscall_goos syscall_$GOOSARCH.go |gofmt >zsyscall_$GOOSARCH.go"; fi
+		if [ -n "$mksyscall" ]; then echo "$mksyscall $syscall_goos |gofmt >zsyscall_$GOOSARCH.go"; fi
 		;;
 	esac
 	if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi

vendor/golang.org/x/sys/plan9/pwd_go15_plan9.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build go1.5
 // +build go1.5
 
 package plan9

vendor/golang.org/x/sys/plan9/pwd_plan9.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !go1.5
 // +build !go1.5
 
 package plan9

vendor/golang.org/x/sys/plan9/race.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build plan9 && race
 // +build plan9,race
 
 package plan9

vendor/golang.org/x/sys/plan9/race0.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build plan9 && !race
 // +build plan9,!race
 
 package plan9

vendor/golang.org/x/sys/plan9/str.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build plan9
 // +build plan9
 
 package plan9

vendor/golang.org/x/sys/plan9/syscall.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build plan9
 // +build plan9
 
 // Package plan9 contains an interface to the low-level operating system
@@ -24,16 +25,20 @@
 // holds a value of type syscall.ErrorString.
 package plan9 // import "golang.org/x/sys/plan9"
 
-import "unsafe"
+import (
+	"bytes"
+	"strings"
+	"unsafe"
+
+	"golang.org/x/sys/internal/unsafeheader"
+)
 
 // ByteSliceFromString returns a NUL-terminated slice of bytes
 // containing the text of s. If s contains a NUL byte at any
 // location, it returns (nil, EINVAL).
 func ByteSliceFromString(s string) ([]byte, error) {
-	for i := 0; i < len(s); i++ {
-		if s[i] == 0 {
-			return nil, EINVAL
-		}
+	if strings.IndexByte(s, 0) != -1 {
+		return nil, EINVAL
 	}
 	a := make([]byte, len(s)+1)
 	copy(a, s)
@@ -51,6 +56,41 @@ func BytePtrFromString(s string) (*byte, error) {
 	return &a[0], nil
 }
 
+// ByteSliceToString returns a string form of the text represented by the slice s, with a terminating NUL and any
+// bytes after the NUL removed.
+func ByteSliceToString(s []byte) string {
+	if i := bytes.IndexByte(s, 0); i != -1 {
+		s = s[:i]
+	}
+	return string(s)
+}
+
+// BytePtrToString takes a pointer to a sequence of text and returns the corresponding string.
+// If the pointer is nil, it returns the empty string. It assumes that the text sequence is terminated
+// at a zero byte; if the zero byte is not present, the program may crash.
+func BytePtrToString(p *byte) string {
+	if p == nil {
+		return ""
+	}
+	if *p == 0 {
+		return ""
+	}
+
+	// Find NUL terminator.
+	n := 0
+	for ptr := unsafe.Pointer(p); *(*byte)(ptr) != 0; n++ {
+		ptr = unsafe.Pointer(uintptr(ptr) + 1)
+	}
+
+	var s []byte
+	h := (*unsafeheader.Slice)(unsafe.Pointer(&s))
+	h.Data = unsafe.Pointer(p)
+	h.Len = n
+	h.Cap = n
+
+	return string(s)
+}
+
 // Single-word zero for use when we need a valid pointer to 0 bytes.
 // See mksyscall.pl.
 var _zero uintptr
@@ -73,5 +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)

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
 
@@ -126,14 +127,17 @@ 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")
 	}
 	var pp [2]int32
 	err = pipe(&pp)
-	p[0] = int(pp[0])
-	p[1] = int(pp[1])
+	if err == nil {
+		p[0] = int(pp[0])
+		p[1] = int(pp[1])
+	}
 	return
 }
 
@@ -178,6 +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
@@ -299,42 +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)

vendor/golang.org/x/sys/plan9/zsyscall_plan9_386.go

@@ -1,6 +1,7 @@
 // go run mksyscall.go -l32 -plan9 -tags plan9,386 syscall_plan9.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
+//go:build plan9 && 386
 // +build plan9,386
 
 package plan9

vendor/golang.org/x/sys/plan9/zsyscall_plan9_amd64.go

@@ -1,6 +1,7 @@
 // go run mksyscall.go -l32 -plan9 -tags plan9,amd64 syscall_plan9.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
+//go:build plan9 && amd64
 // +build plan9,amd64
 
 package plan9

vendor/golang.org/x/sys/plan9/zsyscall_plan9_arm.go

@@ -1,6 +1,7 @@
 // go run mksyscall.go -l32 -plan9 -tags plan9,arm syscall_plan9.go
 // Code generated by the command above; see README.md. DO NOT EDIT.
 
+//go:build plan9 && arm
 // +build plan9,arm
 
 package plan9

vendor/golang.org/x/sys/unix/README.md

@@ -76,7 +76,7 @@ arguments can be passed to the kernel. The third is for low-level use by the
 ForkExec wrapper. Unlike the first two, it does not call into the scheduler to
 let it know that a system call is running.
 
-When porting Go to an new architecture/OS, this file must be implemented for
+When porting Go to a new architecture/OS, this file must be implemented for
 each GOOS/GOARCH pair.
 
 ### mksysnum
@@ -89,7 +89,7 @@ constants.
 
 Adding new syscall numbers is mostly done by running the build on a sufficiently
 new installation of the target OS (or updating the source checkouts for the
-new build system). However, depending on the OS, you make need to update the
+new build system). However, depending on the OS, you may need to update the
 parsing in mksysnum.
 
 ### mksyscall.go
@@ -107,7 +107,7 @@ prototype can be exported (capitalized) or not.
 Adding a new syscall often just requires adding a new `//sys` function prototype
 with the desired arguments and a capitalized name so it is exported. However, if
 you want the interface to the syscall to be different, often one will make an
-unexported `//sys` prototype, an then write a custom wrapper in
+unexported `//sys` prototype, and then write a custom wrapper in
 `syscall_${GOOS}.go`.
 
 ### types files
@@ -137,7 +137,7 @@ some `#if/#elif` macros in your include statements.
 
 This script is used to generate the system's various constants. This doesn't
 just include the error numbers and error strings, but also the signal numbers
-an a wide variety of miscellaneous constants. The constants come from the list
+and a wide variety of miscellaneous constants. The constants come from the list
 of include files in the `includes_${uname}` variable. A regex then picks out
 the desired `#define` statements, and generates the corresponding Go constants.
 The error numbers and strings are generated from `#include <errno.h>`, and the
@@ -149,10 +149,21 @@ To add a constant, add the header that includes it to the appropriate variable.
 Then, edit the regex (if necessary) to match the desired constant. Avoid making
 the regex too broad to avoid matching unintended constants.
 
+### internal/mkmerge
+
+This program is used to extract duplicate const, func, and type declarations
+from the generated architecture-specific files listed below, and merge these
+into a common file for each OS.
+
+The merge is performed in the following steps:
+1. Construct the set of common code that is idential in all architecture-specific files.
+2. Write this common code to the merged file.
+3. Remove the common code from all architecture-specific files.
+
 
 ## Generated files
 
-### `zerror_${GOOS}_${GOARCH}.go`
+### `zerrors_${GOOS}_${GOARCH}.go`
 
 A file containing all of the system's generated error numbers, error strings,
 signal numbers, and constants. Generated by `mkerrors.sh` (see above).

vendor/golang.org/x/sys/unix/affinity_linux.go

@@ -7,6 +7,7 @@
 package unix
 
 import (
+	"math/bits"
 	"unsafe"
 )
 
@@ -79,46 +80,7 @@ func (s *CPUSet) IsSet(cpu int) bool {
 func (s *CPUSet) Count() int {
 	c := 0
 	for _, b := range s {
-		c += onesCount64(uint64(b))
+		c += bits.OnesCount64(uint64(b))
 	}
 	return c
 }
-
-// onesCount64 is a copy of Go 1.9's math/bits.OnesCount64.
-// Once this package can require Go 1.9, we can delete this
-// and update the caller to use bits.OnesCount64.
-func onesCount64(x uint64) int {
-	const m0 = 0x5555555555555555 // 01010101 ...
-	const m1 = 0x3333333333333333 // 00110011 ...
-	const m2 = 0x0f0f0f0f0f0f0f0f // 00001111 ...
-	const m3 = 0x00ff00ff00ff00ff // etc.
-	const m4 = 0x0000ffff0000ffff
-
-	// Implementation: Parallel summing of adjacent bits.
-	// See "Hacker's Delight", Chap. 5: Counting Bits.
-	// The following pattern shows the general approach:
-	//
-	//   x = x>>1&(m0&m) + x&(m0&m)
-	//   x = x>>2&(m1&m) + x&(m1&m)
-	//   x = x>>4&(m2&m) + x&(m2&m)
-	//   x = x>>8&(m3&m) + x&(m3&m)
-	//   x = x>>16&(m4&m) + x&(m4&m)
-	//   x = x>>32&(m5&m) + x&(m5&m)
-	//   return int(x)
-	//
-	// Masking (& operations) can be left away when there's no
-	// danger that a field's sum will carry over into the next
-	// field: Since the result cannot be > 64, 8 bits is enough
-	// and we can ignore the masks for the shifts by 8 and up.
-	// Per "Hacker's Delight", the first line can be simplified
-	// more, but it saves at best one instruction, so we leave
-	// it alone for clarity.
-	const m = 1<<64 - 1
-	x = x>>1&(m0&m) + x&(m0&m)
-	x = x>>2&(m1&m) + x&(m1&m)
-	x = (x>>4 + x) & (m2 & m)
-	x += x >> 8
-	x += x >> 16
-	x += x >> 32
-	return int(x) & (1<<7 - 1)
-}

vendor/golang.org/x/sys/unix/aliases.go

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build (aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos) && go1.9
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 // +build go1.9
 
 package unix

vendor/golang.org/x/sys/unix/asm_aix_ppc64.s

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !gccgo
+//go:build gc
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/unix/asm_bsd_386.s

@@ -1,14 +1,14 @@
-// Copyright 2009 The Go Authors. All rights reserved.
+// Copyright 2021 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.
 
-// +build !gccgo
+//go:build (freebsd || netbsd || openbsd) && gc
+// +build freebsd netbsd openbsd
+// +build gc
 
 #include "textflag.h"
 
-//
-// System call support for 386, Darwin
-//
+// System call support for 386 BSD
 
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.
@@ -22,7 +22,7 @@ TEXT	·Syscall6(SB),NOSPLIT,$0-40
 TEXT	·Syscall9(SB),NOSPLIT,$0-52
 	JMP	syscall·Syscall9(SB)
 
-TEXT ·RawSyscall(SB),NOSPLIT,$0-28
+TEXT	·RawSyscall(SB),NOSPLIT,$0-28
 	JMP	syscall·RawSyscall(SB)
 
 TEXT	·RawSyscall6(SB),NOSPLIT,$0-40

vendor/golang.org/x/sys/unix/asm_bsd_amd64.s

@@ -1,14 +1,14 @@
-// Copyright 2009 The Go Authors. All rights reserved.
+// Copyright 2021 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.
 
-// +build !gccgo
+//go:build (darwin || dragonfly || freebsd || netbsd || openbsd) && gc
+// +build darwin dragonfly freebsd netbsd openbsd
+// +build gc
 
 #include "textflag.h"
 
-//
-// System call support for AMD64, OpenBSD
-//
+// System call support for AMD64 BSD
 
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.

vendor/golang.org/x/sys/unix/asm_bsd_arm.s

@@ -1,14 +1,14 @@
-// Copyright 2013 The Go Authors. All rights reserved.
+// Copyright 2021 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.
 
-// +build !gccgo
+//go:build (freebsd || netbsd || openbsd) && gc
+// +build freebsd netbsd openbsd
+// +build gc
 
 #include "textflag.h"
 
-//
-// System call support for ARM, NetBSD
-//
+// System call support for ARM BSD
 
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.

vendor/golang.org/x/sys/unix/asm_bsd_arm64.s

@@ -1,14 +1,14 @@
-// Copyright 2009 The Go Authors. All rights reserved.
+// Copyright 2021 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.
 
-// +build !gccgo
+//go:build (darwin || freebsd || netbsd || openbsd) && gc
+// +build darwin freebsd netbsd openbsd
+// +build gc
 
 #include "textflag.h"
 
-//
-// System call support for AMD64, Darwin
-//
+// System call support for ARM64 BSD
 
 // Just jump to package syscall's implementation for all these functions.
 // The runtime may know about them.

vendor/golang.org/x/sys/unix/asm_darwin_arm.s

@@ -1,30 +0,0 @@
-// Copyright 2015 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.
-
-// +build !gccgo
-// +build arm,darwin
-
-#include "textflag.h"
-
-//
-// System call support for ARM, Darwin
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-28
-	B	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
-	B	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-52
-	B	syscall·Syscall9(SB)
-
-TEXT	·RawSyscall(SB),NOSPLIT,$0-28
-	B	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
-	B	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_darwin_arm64.s

@@ -1,30 +0,0 @@
-// Copyright 2015 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.
-
-// +build !gccgo
-// +build arm64,darwin
-
-#include "textflag.h"
-
-//
-// System call support for AMD64, Darwin
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-56
-	B	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-80
-	B	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-104
-	B	syscall·Syscall9(SB)
-
-TEXT	·RawSyscall(SB),NOSPLIT,$0-56
-	B	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
-	B	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_dragonfly_amd64.s

@@ -1,29 +0,0 @@
-// Copyright 2009 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.
-
-// +build !gccgo
-
-#include "textflag.h"
-
-//
-// System call support for AMD64, DragonFly
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-56
-	JMP	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-80
-	JMP	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-104
-	JMP	syscall·Syscall9(SB)
-
-TEXT ·RawSyscall(SB),NOSPLIT,$0-56
-	JMP	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
-	JMP	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_freebsd_386.s

@@ -1,29 +0,0 @@
-// Copyright 2009 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.
-
-// +build !gccgo
-
-#include "textflag.h"
-
-//
-// System call support for 386, FreeBSD
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-28
-	JMP	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
-	JMP	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-52
-	JMP	syscall·Syscall9(SB)
-
-TEXT ·RawSyscall(SB),NOSPLIT,$0-28
-	JMP	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
-	JMP	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_freebsd_amd64.s

@@ -1,29 +0,0 @@
-// Copyright 2009 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.
-
-// +build !gccgo
-
-#include "textflag.h"
-
-//
-// System call support for AMD64, FreeBSD
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-56
-	JMP	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-80
-	JMP	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-104
-	JMP	syscall·Syscall9(SB)
-
-TEXT ·RawSyscall(SB),NOSPLIT,$0-56
-	JMP	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
-	JMP	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_freebsd_arm.s

@@ -1,29 +0,0 @@
-// Copyright 2012 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.
-
-// +build !gccgo
-
-#include "textflag.h"
-
-//
-// System call support for ARM, FreeBSD
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-28
-	B	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
-	B	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-52
-	B	syscall·Syscall9(SB)
-
-TEXT	·RawSyscall(SB),NOSPLIT,$0-28
-	B	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
-	B	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_freebsd_arm64.s

@@ -1,29 +0,0 @@
-// Copyright 2018 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.
-
-// +build !gccgo
-
-#include "textflag.h"
-
-//
-// System call support for ARM64, FreeBSD
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-56
-	JMP	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-80
-	JMP	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-104
-	JMP	syscall·Syscall9(SB)
-
-TEXT ·RawSyscall(SB),NOSPLIT,$0-56
-	JMP	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
-	JMP	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_linux_386.s

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !gccgo
+//go:build gc
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/unix/asm_linux_amd64.s

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !gccgo
+//go:build gc
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/unix/asm_linux_arm.s

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !gccgo
+//go:build gc
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/unix/asm_linux_arm64.s

@@ -2,9 +2,10 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build linux && arm64 && gc
 // +build linux
 // +build arm64
-// +build !gccgo
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/unix/asm_linux_loong64.s

@@ -0,0 +1,54 @@
+// Copyright 2022 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.
+
+//go:build linux && loong64 && gc
+// +build linux
+// +build loong64
+// +build gc
+
+#include "textflag.h"
+
+
+// Just jump to package syscall's implementation for all these functions.
+// The runtime may know about them.
+
+TEXT ·Syscall(SB),NOSPLIT,$0-56
+	JMP	syscall·Syscall(SB)
+
+TEXT ·Syscall6(SB),NOSPLIT,$0-80
+	JMP	syscall·Syscall6(SB)
+
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	JAL	runtime·entersyscall(SB)
+	MOVV	a1+8(FP), R4
+	MOVV	a2+16(FP), R5
+	MOVV	a3+24(FP), R6
+	MOVV	R0, R7
+	MOVV	R0, R8
+	MOVV	R0, R9
+	MOVV	trap+0(FP), R11	// syscall entry
+	SYSCALL
+	MOVV	R4, r1+32(FP)
+	MOVV	R0, r2+40(FP)	// r2 is not used. Always set to 0
+	JAL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-56
+	JMP	syscall·RawSyscall(SB)
+
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
+	JMP	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOVV	a1+8(FP), R4
+	MOVV	a2+16(FP), R5
+	MOVV	a3+24(FP), R6
+	MOVV	R0, R7
+	MOVV	R0, R8
+	MOVV	R0, R9
+	MOVV	trap+0(FP), R11	// syscall entry
+	SYSCALL
+	MOVV	R4, r1+32(FP)
+	MOVV	R0, r2+40(FP)	// r2 is not used. Always set to 0
+	RET

vendor/golang.org/x/sys/unix/asm_linux_mips64x.s

@@ -2,9 +2,10 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build linux && (mips64 || mips64le) && gc
 // +build linux
 // +build mips64 mips64le
-// +build !gccgo
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/unix/asm_linux_mipsx.s

@@ -2,9 +2,10 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build linux && (mips || mipsle) && gc
 // +build linux
 // +build mips mipsle
-// +build !gccgo
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/unix/asm_linux_ppc64x.s

@@ -2,9 +2,10 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build linux && (ppc64 || ppc64le) && gc
 // +build linux
 // +build ppc64 ppc64le
-// +build !gccgo
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/unix/asm_linux_riscv64.s

@@ -0,0 +1,49 @@
+// Copyright 2019 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.
+
+//go:build riscv64 && gc
+// +build riscv64
+// +build gc
+
+#include "textflag.h"
+
+//
+// System calls for linux/riscv64.
+//
+// Where available, just jump to package syscall's implementation of
+// these functions.
+
+TEXT ·Syscall(SB),NOSPLIT,$0-56
+	JMP	syscall·Syscall(SB)
+
+TEXT ·Syscall6(SB),NOSPLIT,$0-80
+	JMP	syscall·Syscall6(SB)
+
+TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
+	CALL	runtime·entersyscall(SB)
+	MOV	a1+8(FP), A0
+	MOV	a2+16(FP), A1
+	MOV	a3+24(FP), A2
+	MOV	trap+0(FP), A7	// syscall entry
+	ECALL
+	MOV	A0, r1+32(FP)	// r1
+	MOV	A1, r2+40(FP)	// r2
+	CALL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·RawSyscall(SB),NOSPLIT,$0-56
+	JMP	syscall·RawSyscall(SB)
+
+TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
+	JMP	syscall·RawSyscall6(SB)
+
+TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
+	MOV	a1+8(FP), A0
+	MOV	a2+16(FP), A1
+	MOV	a3+24(FP), A2
+	MOV	trap+0(FP), A7	// syscall entry
+	ECALL
+	MOV	A0, r1+32(FP)
+	MOV	A1, r2+40(FP)
+	RET

vendor/golang.org/x/sys/unix/asm_linux_s390x.s

@@ -2,9 +2,10 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build s390x
+//go:build linux && s390x && gc
 // +build linux
-// +build !gccgo
+// +build s390x
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/unix/asm_netbsd_386.s

@@ -1,29 +0,0 @@
-// Copyright 2009 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.
-
-// +build !gccgo
-
-#include "textflag.h"
-
-//
-// System call support for 386, NetBSD
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-28
-	JMP	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
-	JMP	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-52
-	JMP	syscall·Syscall9(SB)
-
-TEXT ·RawSyscall(SB),NOSPLIT,$0-28
-	JMP	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
-	JMP	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_netbsd_arm64.s

@@ -1,29 +0,0 @@
-// Copyright 2019 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.
-
-// +build !gccgo
-
-#include "textflag.h"
-
-//
-// System call support for ARM64, NetBSD
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-56
-	B	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-80
-	B	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-104
-	B	syscall·Syscall9(SB)
-
-TEXT	·RawSyscall(SB),NOSPLIT,$0-56
-	B	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
-	B	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_openbsd_386.s

@@ -1,29 +0,0 @@
-// Copyright 2009 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.
-
-// +build !gccgo
-
-#include "textflag.h"
-
-//
-// System call support for 386, OpenBSD
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-28
-	JMP	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
-	JMP	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-52
-	JMP	syscall·Syscall9(SB)
-
-TEXT ·RawSyscall(SB),NOSPLIT,$0-28
-	JMP	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
-	JMP	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_openbsd_arm.s

@@ -1,29 +0,0 @@
-// Copyright 2017 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.
-
-// +build !gccgo
-
-#include "textflag.h"
-
-//
-// System call support for ARM, OpenBSD
-//
-
-// Just jump to package syscall's implementation for all these functions.
-// The runtime may know about them.
-
-TEXT	·Syscall(SB),NOSPLIT,$0-28
-	B	syscall·Syscall(SB)
-
-TEXT	·Syscall6(SB),NOSPLIT,$0-40
-	B	syscall·Syscall6(SB)
-
-TEXT	·Syscall9(SB),NOSPLIT,$0-52
-	B	syscall·Syscall9(SB)
-
-TEXT	·RawSyscall(SB),NOSPLIT,$0-28
-	B	syscall·RawSyscall(SB)
-
-TEXT	·RawSyscall6(SB),NOSPLIT,$0-40
-	B	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/asm_openbsd_mips64.s

@@ -1,13 +1,14 @@
-// Copyright 2009 The Go Authors. All rights reserved.
+// Copyright 2019 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.
 
-// +build !gccgo
+//go:build gc
+// +build gc
 
 #include "textflag.h"
 
 //
-// System call support for AMD64, NetBSD
+// System call support for mips64, OpenBSD
 //
 
 // Just jump to package syscall's implementation for all these functions.

vendor/golang.org/x/sys/unix/asm_solaris_amd64.s

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !gccgo
+//go:build gc
+// +build gc
 
 #include "textflag.h"
 

vendor/golang.org/x/sys/unix/asm_zos_s390x.s

@@ -0,0 +1,426 @@
+// Copyright 2020 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.
+
+//go:build zos && s390x && gc
+// +build zos
+// +build s390x
+// +build gc
+
+#include "textflag.h"
+
+#define PSALAA            1208(R0)
+#define GTAB64(x)           80(x)
+#define LCA64(x)            88(x)
+#define CAA(x)               8(x)
+#define EDCHPXV(x)        1016(x)       // in the CAA
+#define SAVSTACK_ASYNC(x)  336(x)       // in the LCA
+
+// SS_*, where x=SAVSTACK_ASYNC
+#define SS_LE(x)             0(x)
+#define SS_GO(x)             8(x)
+#define SS_ERRNO(x)         16(x)
+#define SS_ERRNOJR(x)       20(x)
+
+#define LE_CALL BYTE $0x0D; BYTE $0x76; // BL R7, R6
+
+TEXT ·clearErrno(SB),NOSPLIT,$0-0
+	BL	addrerrno<>(SB)
+	MOVD	$0, 0(R3)
+	RET
+
+// Returns the address of errno in R3.
+TEXT addrerrno<>(SB),NOSPLIT|NOFRAME,$0-0
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get __errno FuncDesc.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	ADD	$(0x156*16), R9
+	LMG	0(R9), R5, R6
+
+	// Switch to saved LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Call __errno function.
+	LE_CALL
+	NOPH
+
+	// Switch back to Go stack.
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+	RET
+
+TEXT ·syscall_syscall(SB),NOSPLIT,$0-56
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+32(FP)
+	MOVD	R0, r2+40(FP)
+	MOVD	R0, err+48(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	addrerrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+48(FP)
+done:
+	BL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·syscall_rawsyscall(SB),NOSPLIT,$0-56
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+32(FP)
+	MOVD	R0, r2+40(FP)
+	MOVD	R0, err+48(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	addrerrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+48(FP)
+done:
+	RET
+
+TEXT ·syscall_syscall6(SB),NOSPLIT,$0-80
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Fill in parameter list.
+	MOVD	a4+32(FP), R12
+	MOVD	R12, (2176+24)(R4)
+	MOVD	a5+40(FP), R12
+	MOVD	R12, (2176+32)(R4)
+	MOVD	a6+48(FP), R12
+	MOVD	R12, (2176+40)(R4)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+56(FP)
+	MOVD	R0, r2+64(FP)
+	MOVD	R0, err+72(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	addrerrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+72(FP)
+done:
+	BL	runtime·exitsyscall(SB)
+	RET
+
+TEXT ·syscall_rawsyscall6(SB),NOSPLIT,$0-80
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Fill in parameter list.
+	MOVD	a4+32(FP), R12
+	MOVD	R12, (2176+24)(R4)
+	MOVD	a5+40(FP), R12
+	MOVD	R12, (2176+32)(R4)
+	MOVD	a6+48(FP), R12
+	MOVD	R12, (2176+40)(R4)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+56(FP)
+	MOVD	R0, r2+64(FP)
+	MOVD	R0, err+72(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	·rrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+72(FP)
+done:
+	RET
+
+TEXT ·syscall_syscall9(SB),NOSPLIT,$0
+	BL	runtime·entersyscall(SB)
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Fill in parameter list.
+	MOVD	a4+32(FP), R12
+	MOVD	R12, (2176+24)(R4)
+	MOVD	a5+40(FP), R12
+	MOVD	R12, (2176+32)(R4)
+	MOVD	a6+48(FP), R12
+	MOVD	R12, (2176+40)(R4)
+	MOVD	a7+56(FP), R12
+	MOVD	R12, (2176+48)(R4)
+	MOVD	a8+64(FP), R12
+	MOVD	R12, (2176+56)(R4)
+	MOVD	a9+72(FP), R12
+	MOVD	R12, (2176+64)(R4)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+80(FP)
+	MOVD	R0, r2+88(FP)
+	MOVD	R0, err+96(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	addrerrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+96(FP)
+done:
+        BL	runtime·exitsyscall(SB)
+        RET
+
+TEXT ·syscall_rawsyscall9(SB),NOSPLIT,$0
+	MOVD	a1+8(FP), R1
+	MOVD	a2+16(FP), R2
+	MOVD	a3+24(FP), R3
+
+	// Get library control area (LCA).
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+
+	// Get function.
+	MOVD	CAA(R8), R9
+	MOVD	EDCHPXV(R9), R9
+	MOVD	trap+0(FP), R5
+	SLD	$4, R5
+	ADD	R5, R9
+	LMG	0(R9), R5, R6
+
+	// Restore LE stack.
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R4
+	MOVD	$0, 0(R9)
+
+	// Fill in parameter list.
+	MOVD	a4+32(FP), R12
+	MOVD	R12, (2176+24)(R4)
+	MOVD	a5+40(FP), R12
+	MOVD	R12, (2176+32)(R4)
+	MOVD	a6+48(FP), R12
+	MOVD	R12, (2176+40)(R4)
+	MOVD	a7+56(FP), R12
+	MOVD	R12, (2176+48)(R4)
+	MOVD	a8+64(FP), R12
+	MOVD	R12, (2176+56)(R4)
+	MOVD	a9+72(FP), R12
+	MOVD	R12, (2176+64)(R4)
+
+	// Call function.
+	LE_CALL
+	NOPH
+	XOR	R0, R0      // Restore R0 to $0.
+	MOVD	R4, 0(R9)   // Save stack pointer.
+
+	MOVD	R3, r1+80(FP)
+	MOVD	R0, r2+88(FP)
+	MOVD	R0, err+96(FP)
+	MOVW	R3, R4
+	CMP	R4, $-1
+	BNE	done
+	BL	addrerrno<>(SB)
+	MOVWZ	0(R3), R3
+	MOVD	R3, err+96(FP)
+done:
+	RET
+
+// func svcCall(fnptr unsafe.Pointer, argv *unsafe.Pointer, dsa *uint64)
+TEXT ·svcCall(SB),NOSPLIT,$0
+	BL	runtime·save_g(SB)   // Save g and stack pointer
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	R15, 0(R9)
+
+	MOVD	argv+8(FP), R1       // Move function arguments into registers
+	MOVD	dsa+16(FP), g
+	MOVD	fnptr+0(FP), R15
+
+	BYTE	$0x0D                // Branch to function
+	BYTE	$0xEF
+
+	BL	runtime·load_g(SB)   // Restore g and stack pointer
+	MOVW	PSALAA, R8
+	MOVD	LCA64(R8), R8
+	MOVD	SAVSTACK_ASYNC(R8), R9
+	MOVD	0(R9), R15
+
+	RET
+
+// func svcLoad(name *byte) unsafe.Pointer
+TEXT ·svcLoad(SB),NOSPLIT,$0
+	MOVD	R15, R2          // Save go stack pointer
+	MOVD	name+0(FP), R0   // Move SVC args into registers
+	MOVD	$0x80000000, R1
+	MOVD	$0, R15
+	BYTE	$0x0A            // SVC 08 LOAD
+	BYTE	$0x08
+	MOVW	R15, R3          // Save return code from SVC
+	MOVD	R2, R15          // Restore go stack pointer
+	CMP	R3, $0           // Check SVC return code
+	BNE	error
+
+	MOVD	$-2, R3          // Reset last bit of entry point to zero
+	AND	R0, R3
+	MOVD	R3, addr+8(FP)   // Return entry point returned by SVC
+	CMP	R0, R3           // Check if last bit of entry point was set
+	BNE	done
+
+	MOVD	R15, R2          // Save go stack pointer
+	MOVD	$0, R15          // Move SVC args into registers (entry point still in r0 from SVC 08)
+	BYTE	$0x0A            // SVC 09 DELETE
+	BYTE	$0x09
+	MOVD	R2, R15          // Restore go stack pointer
+
+error:
+	MOVD	$0, addr+8(FP)   // Return 0 on failure
+done:
+	XOR	R0, R0           // Reset r0 to 0
+	RET
+
+// func svcUnload(name *byte, fnptr unsafe.Pointer) int64
+TEXT ·svcUnload(SB),NOSPLIT,$0
+	MOVD	R15, R2          // Save go stack pointer
+	MOVD	name+0(FP), R0   // Move SVC args into registers
+	MOVD	addr+8(FP), R15
+	BYTE	$0x0A            // SVC 09
+	BYTE	$0x09
+	XOR	R0, R0           // Reset r0 to 0
+	MOVD	R15, R1          // Save SVC return code
+	MOVD	R2, R15          // Restore go stack pointer
+	MOVD	R1, rc+0(FP)     // Return SVC return code
+	RET
+
+// func gettid() uint64
+TEXT ·gettid(SB), NOSPLIT, $0
+	// Get library control area (LCA).
+	MOVW PSALAA, R8
+	MOVD LCA64(R8), R8
+
+	// Get CEECAATHDID
+	MOVD CAA(R8), R9
+	MOVD 0x3D0(R9), R9
+	MOVD R9, ret+0(FP)
+
+	RET

vendor/golang.org/x/sys/unix/bluetooth_linux.go

@@ -23,6 +23,7 @@ const (
 	HCI_CHANNEL_USER    = 1
 	HCI_CHANNEL_MONITOR = 2
 	HCI_CHANNEL_CONTROL = 3
+	HCI_CHANNEL_LOGGING = 4
 )
 
 // Socketoption Level

vendor/golang.org/x/sys/unix/cap_freebsd.go

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build freebsd
 // +build freebsd
 
 package unix

vendor/golang.org/x/sys/unix/constants.go

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 package unix
 

vendor/golang.org/x/sys/unix/dev_aix_ppc.go

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix
-// +build ppc
+//go:build aix && ppc
+// +build aix,ppc
 
 // Functions to access/create device major and minor numbers matching the
 // encoding used by AIX.

vendor/golang.org/x/sys/unix/dev_aix_ppc64.go

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix
-// +build ppc64
+//go:build aix && ppc64
+// +build aix,ppc64
 
 // Functions to access/create device major and minor numbers matching the
 // encoding used AIX.

vendor/golang.org/x/sys/unix/dev_zos.go

@@ -0,0 +1,29 @@
+// Copyright 2020 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.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+// Functions to access/create device major and minor numbers matching the
+// encoding used by z/OS.
+//
+// The information below is extracted and adapted from <sys/stat.h> macros.
+
+package unix
+
+// Major returns the major component of a z/OS device number.
+func Major(dev uint64) uint32 {
+	return uint32((dev >> 16) & 0x0000FFFF)
+}
+
+// Minor returns the minor component of a z/OS device number.
+func Minor(dev uint64) uint32 {
+	return uint32(dev & 0x0000FFFF)
+}
+
+// Mkdev returns a z/OS device number generated from the given major and minor
+// components.
+func Mkdev(major, minor uint32) uint64 {
+	return (uint64(major) << 16) | uint64(minor)
+}

vendor/golang.org/x/sys/unix/dirent.go

@@ -2,16 +2,102 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix darwin dragonfly freebsd linux nacl netbsd openbsd solaris
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package unix
 
-import "syscall"
+import "unsafe"
+
+// readInt returns the size-bytes unsigned integer in native byte order at offset off.
+func readInt(b []byte, off, size uintptr) (u uint64, ok bool) {
+	if len(b) < int(off+size) {
+		return 0, false
+	}
+	if isBigEndian {
+		return readIntBE(b[off:], size), true
+	}
+	return readIntLE(b[off:], size), true
+}
+
+func readIntBE(b []byte, size uintptr) uint64 {
+	switch size {
+	case 1:
+		return uint64(b[0])
+	case 2:
+		_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[1]) | uint64(b[0])<<8
+	case 4:
+		_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[3]) | uint64(b[2])<<8 | uint64(b[1])<<16 | uint64(b[0])<<24
+	case 8:
+		_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
+			uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
+	default:
+		panic("syscall: readInt with unsupported size")
+	}
+}
+
+func readIntLE(b []byte, size uintptr) uint64 {
+	switch size {
+	case 1:
+		return uint64(b[0])
+	case 2:
+		_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[0]) | uint64(b[1])<<8
+	case 4:
+		_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24
+	case 8:
+		_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
+			uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
+	default:
+		panic("syscall: readInt with unsupported size")
+	}
+}
 
 // ParseDirent parses up to max directory entries in buf,
 // appending the names to names. It returns the number of
 // bytes consumed from buf, the number of entries added
 // to names, and the new names slice.
 func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
-	return syscall.ParseDirent(buf, max, names)
+	origlen := len(buf)
+	count = 0
+	for max != 0 && len(buf) > 0 {
+		reclen, ok := direntReclen(buf)
+		if !ok || reclen > uint64(len(buf)) {
+			return origlen, count, names
+		}
+		rec := buf[:reclen]
+		buf = buf[reclen:]
+		ino, ok := direntIno(rec)
+		if !ok {
+			break
+		}
+		if ino == 0 { // File absent in directory.
+			continue
+		}
+		const namoff = uint64(unsafe.Offsetof(Dirent{}.Name))
+		namlen, ok := direntNamlen(rec)
+		if !ok || namoff+namlen > uint64(len(rec)) {
+			break
+		}
+		name := rec[namoff : namoff+namlen]
+		for i, c := range name {
+			if c == 0 {
+				name = name[:i]
+				break
+			}
+		}
+		// Check for useless names before allocating a string.
+		if string(name) == "." || string(name) == ".." {
+			continue
+		}
+		max--
+		count++
+		names = append(names, string(name))
+	}
+	return origlen - len(buf), count, names
 }

vendor/golang.org/x/sys/unix/endian_big.go

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
-// +build ppc64 s390x mips mips64
+//go:build armbe || arm64be || m68k || mips || mips64 || mips64p32 || ppc || ppc64 || s390 || s390x || shbe || sparc || sparc64
+// +build armbe arm64be m68k mips mips64 mips64p32 ppc ppc64 s390 s390x shbe sparc sparc64
 
 package unix
 

vendor/golang.org/x/sys/unix/endian_little.go

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 //
-// +build 386 amd64 amd64p32 arm arm64 ppc64le mipsle mips64le
+//go:build 386 || amd64 || amd64p32 || alpha || arm || arm64 || loong64 || mipsle || mips64le || mips64p32le || nios2 || ppc64le || riscv || riscv64 || sh
+// +build 386 amd64 amd64p32 alpha arm arm64 loong64 mipsle mips64le mips64p32le nios2 ppc64le riscv riscv64 sh
 
 package unix
 

vendor/golang.org/x/sys/unix/env_unix.go

@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 // Unix environment variables.
 

vendor/golang.org/x/sys/unix/epoll_zos.go

@@ -0,0 +1,221 @@
+// Copyright 2020 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.
+
+//go:build zos && s390x
+// +build zos,s390x
+
+package unix
+
+import (
+	"sync"
+)
+
+// This file simulates epoll on z/OS using poll.
+
+// Analogous to epoll_event on Linux.
+// TODO(neeilan): Pad is because the Linux kernel expects a 96-bit struct. We never pass this to the kernel; remove?
+type EpollEvent struct {
+	Events uint32
+	Fd     int32
+	Pad    int32
+}
+
+const (
+	EPOLLERR      = 0x8
+	EPOLLHUP      = 0x10
+	EPOLLIN       = 0x1
+	EPOLLMSG      = 0x400
+	EPOLLOUT      = 0x4
+	EPOLLPRI      = 0x2
+	EPOLLRDBAND   = 0x80
+	EPOLLRDNORM   = 0x40
+	EPOLLWRBAND   = 0x200
+	EPOLLWRNORM   = 0x100
+	EPOLL_CTL_ADD = 0x1
+	EPOLL_CTL_DEL = 0x2
+	EPOLL_CTL_MOD = 0x3
+	// The following constants are part of the epoll API, but represent
+	// currently unsupported functionality on z/OS.
+	// EPOLL_CLOEXEC  = 0x80000
+	// EPOLLET        = 0x80000000
+	// EPOLLONESHOT   = 0x40000000
+	// EPOLLRDHUP     = 0x2000     // Typically used with edge-triggered notis
+	// EPOLLEXCLUSIVE = 0x10000000 // Exclusive wake-up mode
+	// EPOLLWAKEUP    = 0x20000000 // Relies on Linux's BLOCK_SUSPEND capability
+)
+
+// TODO(neeilan): We can eliminate these epToPoll / pToEpoll calls by using identical mask values for POLL/EPOLL
+// constants where possible The lower 16 bits of epoll events (uint32) can fit any system poll event (int16).
+
+// epToPollEvt converts epoll event field to poll equivalent.
+// In epoll, Events is a 32-bit field, while poll uses 16 bits.
+func epToPollEvt(events uint32) int16 {
+	var ep2p = map[uint32]int16{
+		EPOLLIN:  POLLIN,
+		EPOLLOUT: POLLOUT,
+		EPOLLHUP: POLLHUP,
+		EPOLLPRI: POLLPRI,
+		EPOLLERR: POLLERR,
+	}
+
+	var pollEvts int16 = 0
+	for epEvt, pEvt := range ep2p {
+		if (events & epEvt) != 0 {
+			pollEvts |= pEvt
+		}
+	}
+
+	return pollEvts
+}
+
+// pToEpollEvt converts 16 bit poll event bitfields to 32-bit epoll event fields.
+func pToEpollEvt(revents int16) uint32 {
+	var p2ep = map[int16]uint32{
+		POLLIN:  EPOLLIN,
+		POLLOUT: EPOLLOUT,
+		POLLHUP: EPOLLHUP,
+		POLLPRI: EPOLLPRI,
+		POLLERR: EPOLLERR,
+	}
+
+	var epollEvts uint32 = 0
+	for pEvt, epEvt := range p2ep {
+		if (revents & pEvt) != 0 {
+			epollEvts |= epEvt
+		}
+	}
+
+	return epollEvts
+}
+
+// Per-process epoll implementation.
+type epollImpl struct {
+	mu       sync.Mutex
+	epfd2ep  map[int]*eventPoll
+	nextEpfd int
+}
+
+// eventPoll holds a set of file descriptors being watched by the process. A process can have multiple epoll instances.
+// On Linux, this is an in-kernel data structure accessed through a fd.
+type eventPoll struct {
+	mu  sync.Mutex
+	fds map[int]*EpollEvent
+}
+
+// epoll impl for this process.
+var impl epollImpl = epollImpl{
+	epfd2ep:  make(map[int]*eventPoll),
+	nextEpfd: 0,
+}
+
+func (e *epollImpl) epollcreate(size int) (epfd int, err error) {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+	epfd = e.nextEpfd
+	e.nextEpfd++
+
+	e.epfd2ep[epfd] = &eventPoll{
+		fds: make(map[int]*EpollEvent),
+	}
+	return epfd, nil
+}
+
+func (e *epollImpl) epollcreate1(flag int) (fd int, err error) {
+	return e.epollcreate(4)
+}
+
+func (e *epollImpl) epollctl(epfd int, op int, fd int, event *EpollEvent) (err error) {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+
+	ep, ok := e.epfd2ep[epfd]
+	if !ok {
+
+		return EBADF
+	}
+
+	switch op {
+	case EPOLL_CTL_ADD:
+		// TODO(neeilan): When we make epfds and fds disjoint, detect epoll
+		// loops here (instances watching each other) and return ELOOP.
+		if _, ok := ep.fds[fd]; ok {
+			return EEXIST
+		}
+		ep.fds[fd] = event
+	case EPOLL_CTL_MOD:
+		if _, ok := ep.fds[fd]; !ok {
+			return ENOENT
+		}
+		ep.fds[fd] = event
+	case EPOLL_CTL_DEL:
+		if _, ok := ep.fds[fd]; !ok {
+			return ENOENT
+		}
+		delete(ep.fds, fd)
+
+	}
+	return nil
+}
+
+// Must be called while holding ep.mu
+func (ep *eventPoll) getFds() []int {
+	fds := make([]int, len(ep.fds))
+	for fd := range ep.fds {
+		fds = append(fds, fd)
+	}
+	return fds
+}
+
+func (e *epollImpl) epollwait(epfd int, events []EpollEvent, msec int) (n int, err error) {
+	e.mu.Lock() // in [rare] case of concurrent epollcreate + epollwait
+	ep, ok := e.epfd2ep[epfd]
+
+	if !ok {
+		e.mu.Unlock()
+		return 0, EBADF
+	}
+
+	pollfds := make([]PollFd, 4)
+	for fd, epollevt := range ep.fds {
+		pollfds = append(pollfds, PollFd{Fd: int32(fd), Events: epToPollEvt(epollevt.Events)})
+	}
+	e.mu.Unlock()
+
+	n, err = Poll(pollfds, msec)
+	if err != nil {
+		return n, err
+	}
+
+	i := 0
+	for _, pFd := range pollfds {
+		if pFd.Revents != 0 {
+			events[i] = EpollEvent{Fd: pFd.Fd, Events: pToEpollEvt(pFd.Revents)}
+			i++
+		}
+
+		if i == n {
+			break
+		}
+	}
+
+	return n, nil
+}
+
+func EpollCreate(size int) (fd int, err error) {
+	return impl.epollcreate(size)
+}
+
+func EpollCreate1(flag int) (fd int, err error) {
+	return impl.epollcreate1(flag)
+}
+
+func EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error) {
+	return impl.epollctl(epfd, op, fd, event)
+}
+
+// Because EpollWait mutates events, the caller is expected to coordinate
+// concurrent access if calling with the same epfd from multiple goroutines.
+func EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) {
+	return impl.epollwait(epfd, events, msec)
+}

vendor/golang.org/x/sys/unix/errors_freebsd_386.go

@@ -1,227 +0,0 @@
-// Copyright 2017 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.
-
-// Constants that were deprecated or moved to enums in the FreeBSD headers. Keep
-// them here for backwards compatibility.
-
-package unix
-
-const (
-	IFF_SMART                         = 0x20
-	IFT_1822                          = 0x2
-	IFT_A12MPPSWITCH                  = 0x82
-	IFT_AAL2                          = 0xbb
-	IFT_AAL5                          = 0x31
-	IFT_ADSL                          = 0x5e
-	IFT_AFLANE8023                    = 0x3b
-	IFT_AFLANE8025                    = 0x3c
-	IFT_ARAP                          = 0x58
-	IFT_ARCNET                        = 0x23
-	IFT_ARCNETPLUS                    = 0x24
-	IFT_ASYNC                         = 0x54
-	IFT_ATM                           = 0x25
-	IFT_ATMDXI                        = 0x69
-	IFT_ATMFUNI                       = 0x6a
-	IFT_ATMIMA                        = 0x6b
-	IFT_ATMLOGICAL                    = 0x50
-	IFT_ATMRADIO                      = 0xbd
-	IFT_ATMSUBINTERFACE               = 0x86
-	IFT_ATMVCIENDPT                   = 0xc2
-	IFT_ATMVIRTUAL                    = 0x95
-	IFT_BGPPOLICYACCOUNTING           = 0xa2
-	IFT_BSC                           = 0x53
-	IFT_CCTEMUL                       = 0x3d
-	IFT_CEPT                          = 0x13
-	IFT_CES                           = 0x85
-	IFT_CHANNEL                       = 0x46
-	IFT_CNR                           = 0x55
-	IFT_COFFEE                        = 0x84
-	IFT_COMPOSITELINK                 = 0x9b
-	IFT_DCN                           = 0x8d
-	IFT_DIGITALPOWERLINE              = 0x8a
-	IFT_DIGITALWRAPPEROVERHEADCHANNEL = 0xba
-	IFT_DLSW                          = 0x4a
-	IFT_DOCSCABLEDOWNSTREAM           = 0x80
-	IFT_DOCSCABLEMACLAYER             = 0x7f
-	IFT_DOCSCABLEUPSTREAM             = 0x81
-	IFT_DS0                           = 0x51
-	IFT_DS0BUNDLE                     = 0x52
-	IFT_DS1FDL                        = 0xaa
-	IFT_DS3                           = 0x1e
-	IFT_DTM                           = 0x8c
-	IFT_DVBASILN                      = 0xac
-	IFT_DVBASIOUT                     = 0xad
-	IFT_DVBRCCDOWNSTREAM              = 0x93
-	IFT_DVBRCCMACLAYER                = 0x92
-	IFT_DVBRCCUPSTREAM                = 0x94
-	IFT_ENC                           = 0xf4
-	IFT_EON                           = 0x19
-	IFT_EPLRS                         = 0x57
-	IFT_ESCON                         = 0x49
-	IFT_ETHER                         = 0x6
-	IFT_FAITH                         = 0xf2
-	IFT_FAST                          = 0x7d
-	IFT_FASTETHER                     = 0x3e
-	IFT_FASTETHERFX                   = 0x45
-	IFT_FDDI                          = 0xf
-	IFT_FIBRECHANNEL                  = 0x38
-	IFT_FRAMERELAYINTERCONNECT        = 0x3a
-	IFT_FRAMERELAYMPI                 = 0x5c
-	IFT_FRDLCIENDPT                   = 0xc1
-	IFT_FRELAY                        = 0x20
-	IFT_FRELAYDCE                     = 0x2c
-	IFT_FRF16MFRBUNDLE                = 0xa3
-	IFT_FRFORWARD                     = 0x9e
-	IFT_G703AT2MB                     = 0x43
-	IFT_G703AT64K                     = 0x42
-	IFT_GIF                           = 0xf0
-	IFT_GIGABITETHERNET               = 0x75
-	IFT_GR303IDT                      = 0xb2
-	IFT_GR303RDT                      = 0xb1
-	IFT_H323GATEKEEPER                = 0xa4
-	IFT_H323PROXY                     = 0xa5
-	IFT_HDH1822                       = 0x3
-	IFT_HDLC                          = 0x76
-	IFT_HDSL2                         = 0xa8
-	IFT_HIPERLAN2                     = 0xb7
-	IFT_HIPPI                         = 0x2f
-	IFT_HIPPIINTERFACE                = 0x39
-	IFT_HOSTPAD                       = 0x5a
-	IFT_HSSI                          = 0x2e
-	IFT_HY                            = 0xe
-	IFT_IBM370PARCHAN                 = 0x48
-	IFT_IDSL                          = 0x9a
-	IFT_IEEE80211                     = 0x47
-	IFT_IEEE80212                     = 0x37
-	IFT_IEEE8023ADLAG                 = 0xa1
-	IFT_IFGSN                         = 0x91
-	IFT_IMT                           = 0xbe
-	IFT_INTERLEAVE                    = 0x7c
-	IFT_IP                            = 0x7e
-	IFT_IPFORWARD                     = 0x8e
-	IFT_IPOVERATM                     = 0x72
-	IFT_IPOVERCDLC                    = 0x6d
-	IFT_IPOVERCLAW                    = 0x6e
-	IFT_IPSWITCH                      = 0x4e
-	IFT_IPXIP                         = 0xf9
-	IFT_ISDN                          = 0x3f
-	IFT_ISDNBASIC                     = 0x14
-	IFT_ISDNPRIMARY                   = 0x15
-	IFT_ISDNS                         = 0x4b
-	IFT_ISDNU                         = 0x4c
-	IFT_ISO88022LLC                   = 0x29
-	IFT_ISO88023                      = 0x7
-	IFT_ISO88024                      = 0x8
-	IFT_ISO88025                      = 0x9
-	IFT_ISO88025CRFPINT               = 0x62
-	IFT_ISO88025DTR                   = 0x56
-	IFT_ISO88025FIBER                 = 0x73
-	IFT_ISO88026                      = 0xa
-	IFT_ISUP                          = 0xb3
-	IFT_L3IPXVLAN                     = 0x89
-	IFT_LAPB                          = 0x10
-	IFT_LAPD                          = 0x4d
-	IFT_LAPF                          = 0x77
-	IFT_LOCALTALK                     = 0x2a
-	IFT_LOOP                          = 0x18
-	IFT_MEDIAMAILOVERIP               = 0x8b
-	IFT_MFSIGLINK                     = 0xa7
-	IFT_MIOX25                        = 0x26
-	IFT_MODEM                         = 0x30
-	IFT_MPC                           = 0x71
-	IFT_MPLS                          = 0xa6
-	IFT_MPLSTUNNEL                    = 0x96
-	IFT_MSDSL                         = 0x8f
-	IFT_MVL                           = 0xbf
-	IFT_MYRINET                       = 0x63
-	IFT_NFAS                          = 0xaf
-	IFT_NSIP                          = 0x1b
-	IFT_OPTICALCHANNEL                = 0xc3
-	IFT_OPTICALTRANSPORT              = 0xc4
-	IFT_OTHER                         = 0x1
-	IFT_P10                           = 0xc
-	IFT_P80                           = 0xd
-	IFT_PARA                          = 0x22
-	IFT_PFLOG                         = 0xf6
-	IFT_PFSYNC                        = 0xf7
-	IFT_PLC                           = 0xae
-	IFT_POS                           = 0xab
-	IFT_PPPMULTILINKBUNDLE            = 0x6c
-	IFT_PROPBWAP2MP                   = 0xb8
-	IFT_PROPCNLS                      = 0x59
-	IFT_PROPDOCSWIRELESSDOWNSTREAM    = 0xb5
-	IFT_PROPDOCSWIRELESSMACLAYER      = 0xb4
-	IFT_PROPDOCSWIRELESSUPSTREAM      = 0xb6
-	IFT_PROPMUX                       = 0x36
-	IFT_PROPWIRELESSP2P               = 0x9d
-	IFT_PTPSERIAL                     = 0x16
-	IFT_PVC                           = 0xf1
-	IFT_QLLC                          = 0x44
-	IFT_RADIOMAC                      = 0xbc
-	IFT_RADSL                         = 0x5f
-	IFT_REACHDSL                      = 0xc0
-	IFT_RFC1483                       = 0x9f
-	IFT_RS232                         = 0x21
-	IFT_RSRB                          = 0x4f
-	IFT_SDLC                          = 0x11
-	IFT_SDSL                          = 0x60
-	IFT_SHDSL                         = 0xa9
-	IFT_SIP                           = 0x1f
-	IFT_SLIP                          = 0x1c
-	IFT_SMDSDXI                       = 0x2b
-	IFT_SMDSICIP                      = 0x34
-	IFT_SONET                         = 0x27
-	IFT_SONETOVERHEADCHANNEL          = 0xb9
-	IFT_SONETPATH                     = 0x32
-	IFT_SONETVT                       = 0x33
-	IFT_SRP                           = 0x97
-	IFT_SS7SIGLINK                    = 0x9c
-	IFT_STACKTOSTACK                  = 0x6f
-	IFT_STARLAN                       = 0xb
-	IFT_STF                           = 0xd7
-	IFT_T1                            = 0x12
-	IFT_TDLC                          = 0x74
-	IFT_TERMPAD                       = 0x5b
-	IFT_TR008                         = 0xb0
-	IFT_TRANSPHDLC                    = 0x7b
-	IFT_TUNNEL                        = 0x83
-	IFT_ULTRA                         = 0x1d
-	IFT_USB                           = 0xa0
-	IFT_V11                           = 0x40
-	IFT_V35                           = 0x2d
-	IFT_V36                           = 0x41
-	IFT_V37                           = 0x78
-	IFT_VDSL                          = 0x61
-	IFT_VIRTUALIPADDRESS              = 0x70
-	IFT_VOICEEM                       = 0x64
-	IFT_VOICEENCAP                    = 0x67
-	IFT_VOICEFXO                      = 0x65
-	IFT_VOICEFXS                      = 0x66
-	IFT_VOICEOVERATM                  = 0x98
-	IFT_VOICEOVERFRAMERELAY           = 0x99
-	IFT_VOICEOVERIP                   = 0x68
-	IFT_X213                          = 0x5d
-	IFT_X25                           = 0x5
-	IFT_X25DDN                        = 0x4
-	IFT_X25HUNTGROUP                  = 0x7a
-	IFT_X25MLP                        = 0x79
-	IFT_X25PLE                        = 0x28
-	IFT_XETHER                        = 0x1a
-	IPPROTO_MAXID                     = 0x34
-	IPV6_FAITH                        = 0x1d
-	IP_FAITH                          = 0x16
-	MAP_NORESERVE                     = 0x40
-	MAP_RENAME                        = 0x20
-	NET_RT_MAXID                      = 0x6
-	RTF_PRCLONING                     = 0x10000
-	RTM_OLDADD                        = 0x9
-	RTM_OLDDEL                        = 0xa
-	SIOCADDRT                         = 0x8030720a
-	SIOCALIFADDR                      = 0x8118691b
-	SIOCDELRT                         = 0x8030720b
-	SIOCDLIFADDR                      = 0x8118691d
-	SIOCGLIFADDR                      = 0xc118691c
-	SIOCGLIFPHYADDR                   = 0xc118694b
-	SIOCSLIFPHYADDR                   = 0x8118694a
-)

vendor/golang.org/x/sys/unix/errors_freebsd_amd64.go

@@ -1,227 +0,0 @@
-// Copyright 2017 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.
-
-// Constants that were deprecated or moved to enums in the FreeBSD headers. Keep
-// them here for backwards compatibility.
-
-package unix
-
-const (
-	IFF_SMART                         = 0x20
-	IFT_1822                          = 0x2
-	IFT_A12MPPSWITCH                  = 0x82
-	IFT_AAL2                          = 0xbb
-	IFT_AAL5                          = 0x31
-	IFT_ADSL                          = 0x5e
-	IFT_AFLANE8023                    = 0x3b
-	IFT_AFLANE8025                    = 0x3c
-	IFT_ARAP                          = 0x58
-	IFT_ARCNET                        = 0x23
-	IFT_ARCNETPLUS                    = 0x24
-	IFT_ASYNC                         = 0x54
-	IFT_ATM                           = 0x25
-	IFT_ATMDXI                        = 0x69
-	IFT_ATMFUNI                       = 0x6a
-	IFT_ATMIMA                        = 0x6b
-	IFT_ATMLOGICAL                    = 0x50
-	IFT_ATMRADIO                      = 0xbd
-	IFT_ATMSUBINTERFACE               = 0x86
-	IFT_ATMVCIENDPT                   = 0xc2
-	IFT_ATMVIRTUAL                    = 0x95
-	IFT_BGPPOLICYACCOUNTING           = 0xa2
-	IFT_BSC                           = 0x53
-	IFT_CCTEMUL                       = 0x3d
-	IFT_CEPT                          = 0x13
-	IFT_CES                           = 0x85
-	IFT_CHANNEL                       = 0x46
-	IFT_CNR                           = 0x55
-	IFT_COFFEE                        = 0x84
-	IFT_COMPOSITELINK                 = 0x9b
-	IFT_DCN                           = 0x8d
-	IFT_DIGITALPOWERLINE              = 0x8a
-	IFT_DIGITALWRAPPEROVERHEADCHANNEL = 0xba
-	IFT_DLSW                          = 0x4a
-	IFT_DOCSCABLEDOWNSTREAM           = 0x80
-	IFT_DOCSCABLEMACLAYER             = 0x7f
-	IFT_DOCSCABLEUPSTREAM             = 0x81
-	IFT_DS0                           = 0x51
-	IFT_DS0BUNDLE                     = 0x52
-	IFT_DS1FDL                        = 0xaa
-	IFT_DS3                           = 0x1e
-	IFT_DTM                           = 0x8c
-	IFT_DVBASILN                      = 0xac
-	IFT_DVBASIOUT                     = 0xad
-	IFT_DVBRCCDOWNSTREAM              = 0x93
-	IFT_DVBRCCMACLAYER                = 0x92
-	IFT_DVBRCCUPSTREAM                = 0x94
-	IFT_ENC                           = 0xf4
-	IFT_EON                           = 0x19
-	IFT_EPLRS                         = 0x57
-	IFT_ESCON                         = 0x49
-	IFT_ETHER                         = 0x6
-	IFT_FAITH                         = 0xf2
-	IFT_FAST                          = 0x7d
-	IFT_FASTETHER                     = 0x3e
-	IFT_FASTETHERFX                   = 0x45
-	IFT_FDDI                          = 0xf
-	IFT_FIBRECHANNEL                  = 0x38
-	IFT_FRAMERELAYINTERCONNECT        = 0x3a
-	IFT_FRAMERELAYMPI                 = 0x5c
-	IFT_FRDLCIENDPT                   = 0xc1
-	IFT_FRELAY                        = 0x20
-	IFT_FRELAYDCE                     = 0x2c
-	IFT_FRF16MFRBUNDLE                = 0xa3
-	IFT_FRFORWARD                     = 0x9e
-	IFT_G703AT2MB                     = 0x43
-	IFT_G703AT64K                     = 0x42
-	IFT_GIF                           = 0xf0
-	IFT_GIGABITETHERNET               = 0x75
-	IFT_GR303IDT                      = 0xb2
-	IFT_GR303RDT                      = 0xb1
-	IFT_H323GATEKEEPER                = 0xa4
-	IFT_H323PROXY                     = 0xa5
-	IFT_HDH1822                       = 0x3
-	IFT_HDLC                          = 0x76
-	IFT_HDSL2                         = 0xa8
-	IFT_HIPERLAN2                     = 0xb7
-	IFT_HIPPI                         = 0x2f
-	IFT_HIPPIINTERFACE                = 0x39
-	IFT_HOSTPAD                       = 0x5a
-	IFT_HSSI                          = 0x2e
-	IFT_HY                            = 0xe
-	IFT_IBM370PARCHAN                 = 0x48
-	IFT_IDSL                          = 0x9a
-	IFT_IEEE80211                     = 0x47
-	IFT_IEEE80212                     = 0x37
-	IFT_IEEE8023ADLAG                 = 0xa1
-	IFT_IFGSN                         = 0x91
-	IFT_IMT                           = 0xbe
-	IFT_INTERLEAVE                    = 0x7c
-	IFT_IP                            = 0x7e
-	IFT_IPFORWARD                     = 0x8e
-	IFT_IPOVERATM                     = 0x72
-	IFT_IPOVERCDLC                    = 0x6d
-	IFT_IPOVERCLAW                    = 0x6e
-	IFT_IPSWITCH                      = 0x4e
-	IFT_IPXIP                         = 0xf9
-	IFT_ISDN                          = 0x3f
-	IFT_ISDNBASIC                     = 0x14
-	IFT_ISDNPRIMARY                   = 0x15
-	IFT_ISDNS                         = 0x4b
-	IFT_ISDNU                         = 0x4c
-	IFT_ISO88022LLC                   = 0x29
-	IFT_ISO88023                      = 0x7
-	IFT_ISO88024                      = 0x8
-	IFT_ISO88025                      = 0x9
-	IFT_ISO88025CRFPINT               = 0x62
-	IFT_ISO88025DTR                   = 0x56
-	IFT_ISO88025FIBER                 = 0x73
-	IFT_ISO88026                      = 0xa
-	IFT_ISUP                          = 0xb3
-	IFT_L3IPXVLAN                     = 0x89
-	IFT_LAPB                          = 0x10
-	IFT_LAPD                          = 0x4d
-	IFT_LAPF                          = 0x77
-	IFT_LOCALTALK                     = 0x2a
-	IFT_LOOP                          = 0x18
-	IFT_MEDIAMAILOVERIP               = 0x8b
-	IFT_MFSIGLINK                     = 0xa7
-	IFT_MIOX25                        = 0x26
-	IFT_MODEM                         = 0x30
-	IFT_MPC                           = 0x71
-	IFT_MPLS                          = 0xa6
-	IFT_MPLSTUNNEL                    = 0x96
-	IFT_MSDSL                         = 0x8f
-	IFT_MVL                           = 0xbf
-	IFT_MYRINET                       = 0x63
-	IFT_NFAS                          = 0xaf
-	IFT_NSIP                          = 0x1b
-	IFT_OPTICALCHANNEL                = 0xc3
-	IFT_OPTICALTRANSPORT              = 0xc4
-	IFT_OTHER                         = 0x1
-	IFT_P10                           = 0xc
-	IFT_P80                           = 0xd
-	IFT_PARA                          = 0x22
-	IFT_PFLOG                         = 0xf6
-	IFT_PFSYNC                        = 0xf7
-	IFT_PLC                           = 0xae
-	IFT_POS                           = 0xab
-	IFT_PPPMULTILINKBUNDLE            = 0x6c
-	IFT_PROPBWAP2MP                   = 0xb8
-	IFT_PROPCNLS                      = 0x59
-	IFT_PROPDOCSWIRELESSDOWNSTREAM    = 0xb5
-	IFT_PROPDOCSWIRELESSMACLAYER      = 0xb4
-	IFT_PROPDOCSWIRELESSUPSTREAM      = 0xb6
-	IFT_PROPMUX                       = 0x36
-	IFT_PROPWIRELESSP2P               = 0x9d
-	IFT_PTPSERIAL                     = 0x16
-	IFT_PVC                           = 0xf1
-	IFT_QLLC                          = 0x44
-	IFT_RADIOMAC                      = 0xbc
-	IFT_RADSL                         = 0x5f
-	IFT_REACHDSL                      = 0xc0
-	IFT_RFC1483                       = 0x9f
-	IFT_RS232                         = 0x21
-	IFT_RSRB                          = 0x4f
-	IFT_SDLC                          = 0x11
-	IFT_SDSL                          = 0x60
-	IFT_SHDSL                         = 0xa9
-	IFT_SIP                           = 0x1f
-	IFT_SLIP                          = 0x1c
-	IFT_SMDSDXI                       = 0x2b
-	IFT_SMDSICIP                      = 0x34
-	IFT_SONET                         = 0x27
-	IFT_SONETOVERHEADCHANNEL          = 0xb9
-	IFT_SONETPATH                     = 0x32
-	IFT_SONETVT                       = 0x33
-	IFT_SRP                           = 0x97
-	IFT_SS7SIGLINK                    = 0x9c
-	IFT_STACKTOSTACK                  = 0x6f
-	IFT_STARLAN                       = 0xb
-	IFT_STF                           = 0xd7
-	IFT_T1                            = 0x12
-	IFT_TDLC                          = 0x74
-	IFT_TERMPAD                       = 0x5b
-	IFT_TR008                         = 0xb0
-	IFT_TRANSPHDLC                    = 0x7b
-	IFT_TUNNEL                        = 0x83
-	IFT_ULTRA                         = 0x1d
-	IFT_USB                           = 0xa0
-	IFT_V11                           = 0x40
-	IFT_V35                           = 0x2d
-	IFT_V36                           = 0x41
-	IFT_V37                           = 0x78
-	IFT_VDSL                          = 0x61
-	IFT_VIRTUALIPADDRESS              = 0x70
-	IFT_VOICEEM                       = 0x64
-	IFT_VOICEENCAP                    = 0x67
-	IFT_VOICEFXO                      = 0x65
-	IFT_VOICEFXS                      = 0x66
-	IFT_VOICEOVERATM                  = 0x98
-	IFT_VOICEOVERFRAMERELAY           = 0x99
-	IFT_VOICEOVERIP                   = 0x68
-	IFT_X213                          = 0x5d
-	IFT_X25                           = 0x5
-	IFT_X25DDN                        = 0x4
-	IFT_X25HUNTGROUP                  = 0x7a
-	IFT_X25MLP                        = 0x79
-	IFT_X25PLE                        = 0x28
-	IFT_XETHER                        = 0x1a
-	IPPROTO_MAXID                     = 0x34
-	IPV6_FAITH                        = 0x1d
-	IP_FAITH                          = 0x16
-	MAP_NORESERVE                     = 0x40
-	MAP_RENAME                        = 0x20
-	NET_RT_MAXID                      = 0x6
-	RTF_PRCLONING                     = 0x10000
-	RTM_OLDADD                        = 0x9
-	RTM_OLDDEL                        = 0xa
-	SIOCADDRT                         = 0x8040720a
-	SIOCALIFADDR                      = 0x8118691b
-	SIOCDELRT                         = 0x8040720b
-	SIOCDLIFADDR                      = 0x8118691d
-	SIOCGLIFADDR                      = 0xc118691c
-	SIOCGLIFPHYADDR                   = 0xc118694b
-	SIOCSLIFPHYADDR                   = 0x8118694a
-)