Adding upstream version 1.16.10.upstream/1.16.10upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

60 files changed, 1787 insertions, 0 deletions

diff --git a/src/runtime/internal/sys/arch.go b/src/runtime/internal/sys/arch.go
new file mode 100644
index 0000000..13c00cf
--- /dev/null
+++ b/src/runtime/internal/sys/arch.go
@@ -0,0 +1,20 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sys
+
+type ArchFamilyType int
+
+const (
+	AMD64 ArchFamilyType = iota
+	ARM
+	ARM64
+	I386
+	MIPS
+	MIPS64
+	PPC64
+	RISCV64
+	S390X
+	WASM
+)
diff --git a/src/runtime/internal/sys/arch_386.go b/src/runtime/internal/sys/arch_386.go
new file mode 100644
index 0000000..b51f70a
--- /dev/null
+++ b/src/runtime/internal/sys/arch_386.go
@@ -0,0 +1,16 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sys
+
+const (
+	ArchFamily          = I386
+	BigEndian           = false
+	DefaultPhysPageSize = 4096
+	PCQuantum           = 1
+	Int64Align          = 4
+	MinFrameSize        = 0
+)
+
+type Uintreg uint32
diff --git a/src/runtime/internal/sys/arch_amd64.go b/src/runtime/internal/sys/arch_amd64.go
new file mode 100644
index 0000000..3d6776e
--- /dev/null
+++ b/src/runtime/internal/sys/arch_amd64.go
@@ -0,0 +1,16 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sys
+
+const (
+	ArchFamily          = AMD64
+	BigEndian           = false
+	DefaultPhysPageSize = 4096
+	PCQuantum           = 1
+	Int64Align          = 8
+	MinFrameSize        = 0
+)
+
+type Uintreg uint64
diff --git a/src/runtime/internal/sys/arch_arm.go b/src/runtime/internal/sys/arch_arm.go
new file mode 100644
index 0000000..97960d6
--- /dev/null
+++ b/src/runtime/internal/sys/arch_arm.go
@@ -0,0 +1,16 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sys
+
+const (
+	ArchFamily          = ARM
+	BigEndian           = false
+	DefaultPhysPageSize = 65536
+	PCQuantum           = 4
+	Int64Align          = 4
+	MinFrameSize        = 4
+)
+
+type Uintreg uint32
diff --git a/src/runtime/internal/sys/arch_arm64.go b/src/runtime/internal/sys/arch_arm64.go
new file mode 100644
index 0000000..911a948
--- /dev/null
+++ b/src/runtime/internal/sys/arch_arm64.go
@@ -0,0 +1,16 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sys
+
+const (
+	ArchFamily          = ARM64
+	BigEndian           = false
+	DefaultPhysPageSize = 65536
+	PCQuantum           = 4
+	Int64Align          = 8
+	MinFrameSize        = 8
+)
+
+type Uintreg uint64
diff --git a/src/runtime/internal/sys/arch_mips.go b/src/runtime/internal/sys/arch_mips.go
new file mode 100644
index 0000000..75cdb2e
--- /dev/null
+++ b/src/runtime/internal/sys/arch_mips.go
@@ -0,0 +1,16 @@
+// 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.
+
+package sys
+
+const (
+	ArchFamily          = MIPS
+	BigEndian           = true
+	DefaultPhysPageSize = 65536
+	PCQuantum           = 4
+	Int64Align          = 4
+	MinFrameSize        = 4
+)
+
+type Uintreg uint32
diff --git a/src/runtime/internal/sys/arch_mips64.go b/src/runtime/internal/sys/arch_mips64.go
new file mode 100644
index 0000000..494291a
--- /dev/null
+++ b/src/runtime/internal/sys/arch_mips64.go
@@ -0,0 +1,16 @@
+// 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.
+
+package sys
+
+const (
+	ArchFamily          = MIPS64
+	BigEndian           = true
+	DefaultPhysPageSize = 16384
+	PCQuantum           = 4
+	Int64Align          = 8
+	MinFrameSize        = 8
+)
+
+type Uintreg uint64
diff --git a/src/runtime/internal/sys/arch_mips64le.go b/src/runtime/internal/sys/arch_mips64le.go
new file mode 100644
index 0000000..d36d120
--- /dev/null
+++ b/src/runtime/internal/sys/arch_mips64le.go
@@ -0,0 +1,16 @@
+// 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.
+
+package sys
+
+const (
+	ArchFamily          = MIPS64
+	BigEndian           = false
+	DefaultPhysPageSize = 16384
+	PCQuantum           = 4
+	Int64Align          = 8
+	MinFrameSize        = 8
+)
+
+type Uintreg uint64
diff --git a/src/runtime/internal/sys/arch_mipsle.go b/src/runtime/internal/sys/arch_mipsle.go
new file mode 100644
index 0000000..323bf82
--- /dev/null
+++ b/src/runtime/internal/sys/arch_mipsle.go
@@ -0,0 +1,16 @@
+// Copyright 2016 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 sys
+
+const (
+	ArchFamily          = MIPS
+	BigEndian           = false
+	DefaultPhysPageSize = 65536
+	PCQuantum           = 4
+	Int64Align          = 4
+	MinFrameSize        = 4
+)
+
+type Uintreg uint32
diff --git a/src/runtime/internal/sys/arch_ppc64.go b/src/runtime/internal/sys/arch_ppc64.go
new file mode 100644
index 0000000..da1fe3d
--- /dev/null
+++ b/src/runtime/internal/sys/arch_ppc64.go
@@ -0,0 +1,16 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sys
+
+const (
+	ArchFamily          = PPC64
+	BigEndian           = true
+	DefaultPhysPageSize = 65536
+	PCQuantum           = 4
+	Int64Align          = 8
+	MinFrameSize        = 32
+)
+
+type Uintreg uint64
diff --git a/src/runtime/internal/sys/arch_ppc64le.go b/src/runtime/internal/sys/arch_ppc64le.go
new file mode 100644
index 0000000..6059799
--- /dev/null
+++ b/src/runtime/internal/sys/arch_ppc64le.go
@@ -0,0 +1,16 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sys
+
+const (
+	ArchFamily          = PPC64
+	BigEndian           = false
+	DefaultPhysPageSize = 65536
+	PCQuantum           = 4
+	Int64Align          = 8
+	MinFrameSize        = 32
+)
+
+type Uintreg uint64
diff --git a/src/runtime/internal/sys/arch_riscv64.go b/src/runtime/internal/sys/arch_riscv64.go
new file mode 100644
index 0000000..7cdcc8f
--- /dev/null
+++ b/src/runtime/internal/sys/arch_riscv64.go
@@ -0,0 +1,18 @@
+// Copyright 2016 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 sys
+
+const (
+	ArchFamily          = RISCV64
+	BigEndian           = false
+	CacheLineSize       = 64
+	DefaultPhysPageSize = 4096
+	PCQuantum           = 4
+	Int64Align          = 8
+	HugePageSize        = 1 << 21
+	MinFrameSize        = 8
+)
+
+type Uintreg uint64
diff --git a/src/runtime/internal/sys/arch_s390x.go b/src/runtime/internal/sys/arch_s390x.go
new file mode 100644
index 0000000..12cb8a0
--- /dev/null
+++ b/src/runtime/internal/sys/arch_s390x.go
@@ -0,0 +1,16 @@
+// Copyright 2016 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 sys
+
+const (
+	ArchFamily          = S390X
+	BigEndian           = true
+	DefaultPhysPageSize = 4096
+	PCQuantum           = 2
+	Int64Align          = 8
+	MinFrameSize        = 8
+)
+
+type Uintreg uint64
diff --git a/src/runtime/internal/sys/arch_wasm.go b/src/runtime/internal/sys/arch_wasm.go
new file mode 100644
index 0000000..eb825df
--- /dev/null
+++ b/src/runtime/internal/sys/arch_wasm.go
@@ -0,0 +1,16 @@
+// 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.
+
+package sys
+
+const (
+	ArchFamily          = WASM
+	BigEndian           = false
+	DefaultPhysPageSize = 65536
+	PCQuantum           = 1
+	Int64Align          = 8
+	MinFrameSize        = 0
+)
+
+type Uintreg uint64
diff --git a/src/runtime/internal/sys/gengoos.go b/src/runtime/internal/sys/gengoos.go
new file mode 100644
index 0000000..9bbc48d
--- /dev/null
+++ b/src/runtime/internal/sys/gengoos.go
@@ -0,0 +1,98 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+	"strings"
+)
+
+var gooses, goarches []string
+
+func main() {
+	data, err := os.ReadFile("../../../go/build/syslist.go")
+	if err != nil {
+		log.Fatal(err)
+	}
+	const (
+		goosPrefix   = `const goosList = `
+		goarchPrefix = `const goarchList = `
+	)
+	for _, line := range strings.Split(string(data), "\n") {
+		if strings.HasPrefix(line, goosPrefix) {
+			text, err := strconv.Unquote(strings.TrimPrefix(line, goosPrefix))
+			if err != nil {
+				log.Fatalf("parsing goosList: %v", err)
+			}
+			gooses = strings.Fields(text)
+		}
+		if strings.HasPrefix(line, goarchPrefix) {
+			text, err := strconv.Unquote(strings.TrimPrefix(line, goarchPrefix))
+			if err != nil {
+				log.Fatalf("parsing goarchList: %v", err)
+			}
+			goarches = strings.Fields(text)
+		}
+	}
+
+	for _, target := range gooses {
+		if target == "nacl" {
+			continue
+		}
+		var buf bytes.Buffer
+		fmt.Fprintf(&buf, "// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.\n\n")
+		if target == "linux" {
+			fmt.Fprintf(&buf, "// +build !android\n") // must explicitly exclude android for linux
+		}
+		if target == "solaris" {
+			fmt.Fprintf(&buf, "// +build !illumos\n") // must explicitly exclude illumos for solaris
+		}
+		if target == "darwin" {
+			fmt.Fprintf(&buf, "// +build !ios\n") // must explicitly exclude ios for darwin
+		}
+		fmt.Fprintf(&buf, "// +build %s\n\n", target) // must explicitly include target for bootstrapping purposes
+		fmt.Fprintf(&buf, "package sys\n\n")
+		fmt.Fprintf(&buf, "const GOOS = `%s`\n\n", target)
+		for _, goos := range gooses {
+			value := 0
+			if goos == target {
+				value = 1
+			}
+			fmt.Fprintf(&buf, "const Goos%s = %d\n", strings.Title(goos), value)
+		}
+		err := os.WriteFile("zgoos_"+target+".go", buf.Bytes(), 0666)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+
+	for _, target := range goarches {
+		if target == "amd64p32" {
+			continue
+		}
+		var buf bytes.Buffer
+		fmt.Fprintf(&buf, "// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.\n\n")
+		fmt.Fprintf(&buf, "// +build %s\n\n", target) // must explicitly include target for bootstrapping purposes
+		fmt.Fprintf(&buf, "package sys\n\n")
+		fmt.Fprintf(&buf, "const GOARCH = `%s`\n\n", target)
+		for _, goarch := range goarches {
+			value := 0
+			if goarch == target {
+				value = 1
+			}
+			fmt.Fprintf(&buf, "const Goarch%s = %d\n", strings.Title(goarch), value)
+		}
+		err := os.WriteFile("zgoarch_"+target+".go", buf.Bytes(), 0666)
+		if err != nil {
+			log.Fatal(err)
+		}
+	}
+}
diff --git a/src/runtime/internal/sys/intrinsics.go b/src/runtime/internal/sys/intrinsics.go
new file mode 100644
index 0000000..3c88982
--- /dev/null
+++ b/src/runtime/internal/sys/intrinsics.go
@@ -0,0 +1,91 @@
+// Copyright 2016 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 !386
+
+// TODO finish intrinsifying 386, deadcode the assembly, remove build tags, merge w/ intrinsics_common
+// TODO replace all uses of CtzXX with TrailingZerosXX; they are the same.
+
+package sys
+
+// Using techniques from http://supertech.csail.mit.edu/papers/debruijn.pdf
+
+const deBruijn64ctz = 0x0218a392cd3d5dbf
+
+var deBruijnIdx64ctz = [64]byte{
+	0, 1, 2, 7, 3, 13, 8, 19,
+	4, 25, 14, 28, 9, 34, 20, 40,
+	5, 17, 26, 38, 15, 46, 29, 48,
+	10, 31, 35, 54, 21, 50, 41, 57,
+	63, 6, 12, 18, 24, 27, 33, 39,
+	16, 37, 45, 47, 30, 53, 49, 56,
+	62, 11, 23, 32, 36, 44, 52, 55,
+	61, 22, 43, 51, 60, 42, 59, 58,
+}
+
+const deBruijn32ctz = 0x04653adf
+
+var deBruijnIdx32ctz = [32]byte{
+	0, 1, 2, 6, 3, 11, 7, 16,
+	4, 14, 12, 21, 8, 23, 17, 26,
+	31, 5, 10, 15, 13, 20, 22, 25,
+	30, 9, 19, 24, 29, 18, 28, 27,
+}
+
+// Ctz64 counts trailing (low-order) zeroes,
+// and if all are zero, then 64.
+func Ctz64(x uint64) int {
+	x &= -x                       // isolate low-order bit
+	y := x * deBruijn64ctz >> 58  // extract part of deBruijn sequence
+	i := int(deBruijnIdx64ctz[y]) // convert to bit index
+	z := int((x - 1) >> 57 & 64)  // adjustment if zero
+	return i + z
+}
+
+// Ctz32 counts trailing (low-order) zeroes,
+// and if all are zero, then 32.
+func Ctz32(x uint32) int {
+	x &= -x                       // isolate low-order bit
+	y := x * deBruijn32ctz >> 27  // extract part of deBruijn sequence
+	i := int(deBruijnIdx32ctz[y]) // convert to bit index
+	z := int((x - 1) >> 26 & 32)  // adjustment if zero
+	return i + z
+}
+
+// Ctz8 returns the number of trailing zero bits in x; the result is 8 for x == 0.
+func Ctz8(x uint8) int {
+	return int(ntz8tab[x])
+}
+
+// Bswap64 returns its input with byte order reversed
+// 0x0102030405060708 -> 0x0807060504030201
+func Bswap64(x uint64) uint64 {
+	c8 := uint64(0x00ff00ff00ff00ff)
+	a := x >> 8 & c8
+	b := (x & c8) << 8
+	x = a | b
+	c16 := uint64(0x0000ffff0000ffff)
+	a = x >> 16 & c16
+	b = (x & c16) << 16
+	x = a | b
+	c32 := uint64(0x00000000ffffffff)
+	a = x >> 32 & c32
+	b = (x & c32) << 32
+	x = a | b
+	return x
+}
+
+// Bswap32 returns its input with byte order reversed
+// 0x01020304 -> 0x04030201
+func Bswap32(x uint32) uint32 {
+	c8 := uint32(0x00ff00ff)
+	a := x >> 8 & c8
+	b := (x & c8) << 8
+	x = a | b
+	c16 := uint32(0x0000ffff)
+	a = x >> 16 & c16
+	b = (x & c16) << 16
+	x = a | b
+	return x
+}
diff --git a/src/runtime/internal/sys/intrinsics_386.s b/src/runtime/internal/sys/intrinsics_386.s
new file mode 100644
index 0000000..784b246
--- /dev/null
+++ b/src/runtime/internal/sys/intrinsics_386.s
@@ -0,0 +1,58 @@
+// Copyright 2016 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.
+
+#include "textflag.h"
+
+TEXT runtime∕internal∕sys·Ctz64(SB), NOSPLIT, $0-12
+	// Try low 32 bits.
+	MOVL	x_lo+0(FP), AX
+	BSFL	AX, AX
+	JZ	tryhigh
+	MOVL	AX, ret+8(FP)
+	RET
+
+tryhigh:
+	// Try high 32 bits.
+	MOVL	x_hi+4(FP), AX
+	BSFL	AX, AX
+	JZ	none
+	ADDL	$32, AX
+	MOVL	AX, ret+8(FP)
+	RET
+
+none:
+	// No bits are set.
+	MOVL	$64, ret+8(FP)
+	RET
+
+TEXT runtime∕internal∕sys·Ctz32(SB), NOSPLIT, $0-8
+	MOVL	x+0(FP), AX
+	BSFL	AX, AX
+	JNZ	2(PC)
+	MOVL	$32, AX
+	MOVL	AX, ret+4(FP)
+	RET
+
+TEXT runtime∕internal∕sys·Ctz8(SB), NOSPLIT, $0-8
+	MOVBLZX	x+0(FP), AX
+	BSFL	AX, AX
+	JNZ	2(PC)
+	MOVL	$8, AX
+	MOVL	AX, ret+4(FP)
+	RET
+
+TEXT runtime∕internal∕sys·Bswap64(SB), NOSPLIT, $0-16
+	MOVL	x_lo+0(FP), AX
+	MOVL	x_hi+4(FP), BX
+	BSWAPL	AX
+	BSWAPL	BX
+	MOVL	BX, ret_lo+8(FP)
+	MOVL	AX, ret_hi+12(FP)
+	RET
+
+TEXT runtime∕internal∕sys·Bswap32(SB), NOSPLIT, $0-8
+	MOVL	x+0(FP), AX
+	BSWAPL	AX
+	MOVL	AX, ret+4(FP)
+	RET
diff --git a/src/runtime/internal/sys/intrinsics_common.go b/src/runtime/internal/sys/intrinsics_common.go
new file mode 100644
index 0000000..818d75e
--- /dev/null
+++ b/src/runtime/internal/sys/intrinsics_common.go
@@ -0,0 +1,143 @@
+// 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 sys
+
+// Copied from math/bits to avoid dependence.
+
+var len8tab = [256]uint8{
+	0x00, 0x01, 0x02, 0x02, 0x03, 0x03, 0x03, 0x03, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04,
+	0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05,
+	0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+	0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06,
+	0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+	0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+	0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+	0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
+	0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
+	0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
+	0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
+	0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
+	0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
+	0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
+	0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
+	0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08,
+}
+
+var ntz8tab = [256]uint8{
+	0x08, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x04, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x05, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x04, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x06, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x04, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x05, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x04, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x07, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x04, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x05, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x04, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x06, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x04, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x05, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+	0x04, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x03, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00,
+}
+
+// len64 returns the minimum number of bits required to represent x; the result is 0 for x == 0.
+func Len64(x uint64) (n int) {
+	if x >= 1<<32 {
+		x >>= 32
+		n = 32
+	}
+	if x >= 1<<16 {
+		x >>= 16
+		n += 16
+	}
+	if x >= 1<<8 {
+		x >>= 8
+		n += 8
+	}
+	return n + int(len8tab[x])
+}
+
+// --- OnesCount ---
+
+const m0 = 0x5555555555555555 // 01010101 ...
+const m1 = 0x3333333333333333 // 00110011 ...
+const m2 = 0x0f0f0f0f0f0f0f0f // 00001111 ...
+
+// OnesCount64 returns the number of one bits ("population count") in x.
+func OnesCount64(x uint64) int {
+	// 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)
+}
+
+var deBruijn64tab = [64]byte{
+	0, 1, 56, 2, 57, 49, 28, 3, 61, 58, 42, 50, 38, 29, 17, 4,
+	62, 47, 59, 36, 45, 43, 51, 22, 53, 39, 33, 30, 24, 18, 12, 5,
+	63, 55, 48, 27, 60, 41, 37, 16, 46, 35, 44, 21, 52, 32, 23, 11,
+	54, 26, 40, 15, 34, 20, 31, 10, 25, 14, 19, 9, 13, 8, 7, 6,
+}
+
+const deBruijn64 = 0x03f79d71b4ca8b09
+
+// TrailingZeros64 returns the number of trailing zero bits in x; the result is 64 for x == 0.
+func TrailingZeros64(x uint64) int {
+	if x == 0 {
+		return 64
+	}
+	// If popcount is fast, replace code below with return popcount(^x & (x - 1)).
+	//
+	// x & -x leaves only the right-most bit set in the word. Let k be the
+	// index of that bit. Since only a single bit is set, the value is two
+	// to the power of k. Multiplying by a power of two is equivalent to
+	// left shifting, in this case by k bits. The de Bruijn (64 bit) constant
+	// is such that all six bit, consecutive substrings are distinct.
+	// Therefore, if we have a left shifted version of this constant we can
+	// find by how many bits it was shifted by looking at which six bit
+	// substring ended up at the top of the word.
+	// (Knuth, volume 4, section 7.3.1)
+	return int(deBruijn64tab[(x&-x)*deBruijn64>>(64-6)])
+}
+
+// LeadingZeros64 returns the number of leading zero bits in x; the result is 64 for x == 0.
+func LeadingZeros64(x uint64) int { return 64 - Len64(x) }
+
+// LeadingZeros8 returns the number of leading zero bits in x; the result is 8 for x == 0.
+func LeadingZeros8(x uint8) int { return 8 - Len8(x) }
+
+// TrailingZeros8 returns the number of trailing zero bits in x; the result is 8 for x == 0.
+func TrailingZeros8(x uint8) int {
+	return int(ntz8tab[x])
+}
+
+// Len8 returns the minimum number of bits required to represent x; the result is 0 for x == 0.
+func Len8(x uint8) int {
+	return int(len8tab[x])
+}
diff --git a/src/runtime/internal/sys/intrinsics_stubs.go b/src/runtime/internal/sys/intrinsics_stubs.go
new file mode 100644
index 0000000..9cbf482
--- /dev/null
+++ b/src/runtime/internal/sys/intrinsics_stubs.go
@@ -0,0 +1,13 @@
+// Copyright 2016 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 386
+
+package sys
+
+func Ctz64(x uint64) int
+func Ctz32(x uint32) int
+func Ctz8(x uint8) int
+func Bswap64(x uint64) uint64
+func Bswap32(x uint32) uint32
diff --git a/src/runtime/internal/sys/intrinsics_test.go b/src/runtime/internal/sys/intrinsics_test.go
new file mode 100644
index 0000000..0444183
--- /dev/null
+++ b/src/runtime/internal/sys/intrinsics_test.go
@@ -0,0 +1,38 @@
+package sys_test
+
+import (
+	"runtime/internal/sys"
+	"testing"
+)
+
+func TestCtz64(t *testing.T) {
+	for i := 0; i <= 64; i++ {
+		x := uint64(5) << uint(i)
+		if got := sys.Ctz64(x); got != i {
+			t.Errorf("Ctz64(%d)=%d, want %d", x, got, i)
+		}
+	}
+}
+func TestCtz32(t *testing.T) {
+	for i := 0; i <= 32; i++ {
+		x := uint32(5) << uint(i)
+		if got := sys.Ctz32(x); got != i {
+			t.Errorf("Ctz32(%d)=%d, want %d", x, got, i)
+		}
+	}
+}
+
+func TestBswap64(t *testing.T) {
+	x := uint64(0x1122334455667788)
+	y := sys.Bswap64(x)
+	if y != 0x8877665544332211 {
+		t.Errorf("Bswap(%x)=%x, want 0x8877665544332211", x, y)
+	}
+}
+func TestBswap32(t *testing.T) {
+	x := uint32(0x11223344)
+	y := sys.Bswap32(x)
+	if y != 0x44332211 {
+		t.Errorf("Bswap(%x)=%x, want 0x44332211", x, y)
+	}
+}
diff --git a/src/runtime/internal/sys/stubs.go b/src/runtime/internal/sys/stubs.go
new file mode 100644
index 0000000..10b0173
--- /dev/null
+++ b/src/runtime/internal/sys/stubs.go
@@ -0,0 +1,16 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package sys
+
+// Declarations for runtime services implemented in C or assembly.
+
+const PtrSize = 4 << (^uintptr(0) >> 63)           // unsafe.Sizeof(uintptr(0)) but an ideal const
+const RegSize = 4 << (^Uintreg(0) >> 63)           // unsafe.Sizeof(uintreg(0)) but an ideal const
+const SpAlign = 1*(1-GoarchArm64) + 16*GoarchArm64 // SP alignment: 1 normally, 16 for ARM64
+
+var DefaultGoroot string // set at link time
+
+// AIX requires a larger stack for syscalls.
+const StackGuardMultiplier = StackGuardMultiplierDefault*(1-GoosAix) + 2*GoosAix
diff --git a/src/runtime/internal/sys/sys.go b/src/runtime/internal/sys/sys.go
new file mode 100644
index 0000000..9d9ac45
--- /dev/null
+++ b/src/runtime/internal/sys/sys.go
@@ -0,0 +1,15 @@
+// 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.
+
+// package sys contains system- and configuration- and architecture-specific
+// constants used by the runtime.
+package sys
+
+// The next line makes 'go generate' write the zgo*.go files with
+// per-OS and per-arch information, including constants
+// named Goos$GOOS and Goarch$GOARCH for every
+// known GOOS and GOARCH. The constant is 1 on the
+// current system, 0 otherwise; multiplying by them is
+// useful for defining GOOS- or GOARCH-specific constants.
+//go:generate go run gengoos.go
diff --git a/src/runtime/internal/sys/zgoarch_386.go b/src/runtime/internal/sys/zgoarch_386.go
new file mode 100644
index 0000000..c286d0d
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_386.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build 386
+
+package sys
+
+const GOARCH = `386`
+
+const Goarch386 = 1
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_amd64.go b/src/runtime/internal/sys/zgoarch_amd64.go
new file mode 100644
index 0000000..d21c1d7
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_amd64.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build amd64
+
+package sys
+
+const GOARCH = `amd64`
+
+const Goarch386 = 0
+const GoarchAmd64 = 1
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_arm.go b/src/runtime/internal/sys/zgoarch_arm.go
new file mode 100644
index 0000000..9085fb0
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_arm.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build arm
+
+package sys
+
+const GOARCH = `arm`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 1
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_arm64.go b/src/runtime/internal/sys/zgoarch_arm64.go
new file mode 100644
index 0000000..ed7ef2e
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_arm64.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build arm64
+
+package sys
+
+const GOARCH = `arm64`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 1
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_arm64be.go b/src/runtime/internal/sys/zgoarch_arm64be.go
new file mode 100644
index 0000000..faf3111
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_arm64be.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build arm64be
+
+package sys
+
+const GOARCH = `arm64be`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 1
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_armbe.go b/src/runtime/internal/sys/zgoarch_armbe.go
new file mode 100644
index 0000000..cb28301
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_armbe.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build armbe
+
+package sys
+
+const GOARCH = `armbe`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 1
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_mips.go b/src/runtime/internal/sys/zgoarch_mips.go
new file mode 100644
index 0000000..315dea1
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_mips.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build mips
+
+package sys
+
+const GOARCH = `mips`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 1
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_mips64.go b/src/runtime/internal/sys/zgoarch_mips64.go
new file mode 100644
index 0000000..5258cbf
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_mips64.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build mips64
+
+package sys
+
+const GOARCH = `mips64`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 1
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_mips64le.go b/src/runtime/internal/sys/zgoarch_mips64le.go
new file mode 100644
index 0000000..1721698
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_mips64le.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build mips64le
+
+package sys
+
+const GOARCH = `mips64le`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 1
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_mips64p32.go b/src/runtime/internal/sys/zgoarch_mips64p32.go
new file mode 100644
index 0000000..44c4624
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_mips64p32.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build mips64p32
+
+package sys
+
+const GOARCH = `mips64p32`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 1
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_mips64p32le.go b/src/runtime/internal/sys/zgoarch_mips64p32le.go
new file mode 100644
index 0000000..eb63225
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_mips64p32le.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build mips64p32le
+
+package sys
+
+const GOARCH = `mips64p32le`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 1
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_mipsle.go b/src/runtime/internal/sys/zgoarch_mipsle.go
new file mode 100644
index 0000000..e0ebfbf
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_mipsle.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build mipsle
+
+package sys
+
+const GOARCH = `mipsle`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 1
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_ppc.go b/src/runtime/internal/sys/zgoarch_ppc.go
new file mode 100644
index 0000000..ef26aa3
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_ppc.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build ppc
+
+package sys
+
+const GOARCH = `ppc`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 1
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_ppc64.go b/src/runtime/internal/sys/zgoarch_ppc64.go
new file mode 100644
index 0000000..32c2d46
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_ppc64.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build ppc64
+
+package sys
+
+const GOARCH = `ppc64`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 1
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_ppc64le.go b/src/runtime/internal/sys/zgoarch_ppc64le.go
new file mode 100644
index 0000000..3a6e567
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_ppc64le.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build ppc64le
+
+package sys
+
+const GOARCH = `ppc64le`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 1
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_riscv.go b/src/runtime/internal/sys/zgoarch_riscv.go
new file mode 100644
index 0000000..d8f6b49
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_riscv.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build riscv
+
+package sys
+
+const GOARCH = `riscv`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 1
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_riscv64.go b/src/runtime/internal/sys/zgoarch_riscv64.go
new file mode 100644
index 0000000..0ba843b
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_riscv64.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build riscv64
+
+package sys
+
+const GOARCH = `riscv64`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 1
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_s390.go b/src/runtime/internal/sys/zgoarch_s390.go
new file mode 100644
index 0000000..20a1b23
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_s390.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build s390
+
+package sys
+
+const GOARCH = `s390`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 1
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_s390x.go b/src/runtime/internal/sys/zgoarch_s390x.go
new file mode 100644
index 0000000..ffdda0c
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_s390x.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build s390x
+
+package sys
+
+const GOARCH = `s390x`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 1
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_sparc.go b/src/runtime/internal/sys/zgoarch_sparc.go
new file mode 100644
index 0000000..b494951
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_sparc.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build sparc
+
+package sys
+
+const GOARCH = `sparc`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 1
+const GoarchSparc64 = 0
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_sparc64.go b/src/runtime/internal/sys/zgoarch_sparc64.go
new file mode 100644
index 0000000..0f6df41
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_sparc64.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build sparc64
+
+package sys
+
+const GOARCH = `sparc64`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 1
+const GoarchWasm = 0
diff --git a/src/runtime/internal/sys/zgoarch_wasm.go b/src/runtime/internal/sys/zgoarch_wasm.go
new file mode 100644
index 0000000..e69afb0
--- /dev/null
+++ b/src/runtime/internal/sys/zgoarch_wasm.go
@@ -0,0 +1,31 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build wasm
+
+package sys
+
+const GOARCH = `wasm`
+
+const Goarch386 = 0
+const GoarchAmd64 = 0
+const GoarchAmd64p32 = 0
+const GoarchArm = 0
+const GoarchArmbe = 0
+const GoarchArm64 = 0
+const GoarchArm64be = 0
+const GoarchPpc64 = 0
+const GoarchPpc64le = 0
+const GoarchMips = 0
+const GoarchMipsle = 0
+const GoarchMips64 = 0
+const GoarchMips64le = 0
+const GoarchMips64p32 = 0
+const GoarchMips64p32le = 0
+const GoarchPpc = 0
+const GoarchRiscv = 0
+const GoarchRiscv64 = 0
+const GoarchS390 = 0
+const GoarchS390x = 0
+const GoarchSparc = 0
+const GoarchSparc64 = 0
+const GoarchWasm = 1
diff --git a/src/runtime/internal/sys/zgoos_aix.go b/src/runtime/internal/sys/zgoos_aix.go
new file mode 100644
index 0000000..0631d02
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_aix.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build aix
+
+package sys
+
+const GOOS = `aix`
+
+const GoosAix = 1
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_android.go b/src/runtime/internal/sys/zgoos_android.go
new file mode 100644
index 0000000..d356a40
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_android.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build android
+
+package sys
+
+const GOOS = `android`
+
+const GoosAix = 0
+const GoosAndroid = 1
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_darwin.go b/src/runtime/internal/sys/zgoos_darwin.go
new file mode 100644
index 0000000..6aa2db7
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_darwin.go
@@ -0,0 +1,26 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build !ios
+// +build darwin
+
+package sys
+
+const GOOS = `darwin`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 1
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_dragonfly.go b/src/runtime/internal/sys/zgoos_dragonfly.go
new file mode 100644
index 0000000..88ee117
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_dragonfly.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build dragonfly
+
+package sys
+
+const GOOS = `dragonfly`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 1
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_freebsd.go b/src/runtime/internal/sys/zgoos_freebsd.go
new file mode 100644
index 0000000..8de2ec0
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_freebsd.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build freebsd
+
+package sys
+
+const GOOS = `freebsd`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 1
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_hurd.go b/src/runtime/internal/sys/zgoos_hurd.go
new file mode 100644
index 0000000..183ccb0
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_hurd.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build hurd
+
+package sys
+
+const GOOS = `hurd`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 1
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_illumos.go b/src/runtime/internal/sys/zgoos_illumos.go
new file mode 100644
index 0000000..d04134e
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_illumos.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build illumos
+
+package sys
+
+const GOOS = `illumos`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 1
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_ios.go b/src/runtime/internal/sys/zgoos_ios.go
new file mode 100644
index 0000000..cf6e9d6
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_ios.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build ios
+
+package sys
+
+const GOOS = `ios`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 1
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_js.go b/src/runtime/internal/sys/zgoos_js.go
new file mode 100644
index 0000000..1d9279a
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_js.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build js
+
+package sys
+
+const GOOS = `js`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 1
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_linux.go b/src/runtime/internal/sys/zgoos_linux.go
new file mode 100644
index 0000000..0f718d7
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_linux.go
@@ -0,0 +1,26 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build !android
+// +build linux
+
+package sys
+
+const GOOS = `linux`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 1
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_netbsd.go b/src/runtime/internal/sys/zgoos_netbsd.go
new file mode 100644
index 0000000..2ae149f
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_netbsd.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build netbsd
+
+package sys
+
+const GOOS = `netbsd`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 1
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_openbsd.go b/src/runtime/internal/sys/zgoos_openbsd.go
new file mode 100644
index 0000000..7d4d61e
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_openbsd.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build openbsd
+
+package sys
+
+const GOOS = `openbsd`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 1
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_plan9.go b/src/runtime/internal/sys/zgoos_plan9.go
new file mode 100644
index 0000000..30aec46
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_plan9.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build plan9
+
+package sys
+
+const GOOS = `plan9`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 1
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_solaris.go b/src/runtime/internal/sys/zgoos_solaris.go
new file mode 100644
index 0000000..4bb8c99
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_solaris.go
@@ -0,0 +1,26 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build !illumos
+// +build solaris
+
+package sys
+
+const GOOS = `solaris`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 1
+const GoosWindows = 0
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_windows.go b/src/runtime/internal/sys/zgoos_windows.go
new file mode 100644
index 0000000..d1f4290
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_windows.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build windows
+
+package sys
+
+const GOOS = `windows`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 1
+const GoosZos = 0
diff --git a/src/runtime/internal/sys/zgoos_zos.go b/src/runtime/internal/sys/zgoos_zos.go
new file mode 100644
index 0000000..d22be46
--- /dev/null
+++ b/src/runtime/internal/sys/zgoos_zos.go
@@ -0,0 +1,25 @@
+// Code generated by gengoos.go using 'go generate'. DO NOT EDIT.
+
+// +build zos
+
+package sys
+
+const GOOS = `zos`
+
+const GoosAix = 0
+const GoosAndroid = 0
+const GoosDarwin = 0
+const GoosDragonfly = 0
+const GoosFreebsd = 0
+const GoosHurd = 0
+const GoosIllumos = 0
+const GoosIos = 0
+const GoosJs = 0
+const GoosLinux = 0
+const GoosNacl = 0
+const GoosNetbsd = 0
+const GoosOpenbsd = 0
+const GoosPlan9 = 0
+const GoosSolaris = 0
+const GoosWindows = 0
+const GoosZos = 1