wasip1/wasm

src/cmd/dist/build.go

@@ -1731,7 +1731,6 @@ var cgoEnabled = map[string]bool{
 // See go.dev/issue/56679.
 var broken = map[string]bool{
 	"linux/sparc64":  true, // An incomplete port. See CL 132155.
-	"wasip1/wasm":    true, // An incomplete port. See CL 479627.
 	"openbsd/ppc64":  true, // An incomplete port: go.dev/issue/56001.
 	"openbsd/mips64": true, // Broken: go.dev/issue/58110.
 }

src/crypto/rand/rand.go

@@ -16,7 +16,8 @@ import "io"
 // On OpenBSD and macOS, Reader uses getentropy(2).
 // On other Unix-like systems, Reader reads from /dev/urandom.
 // On Windows systems, Reader uses the RtlGenRandom API.
-// On Wasm, Reader uses the Web Crypto API.
+// On JS/Wasm, Reader uses the Web Crypto API.
+// On WASIP1/Wasm, Reader uses random_get from wasi_snapshot_preview1.
 var Reader io.Reader
 
 // Read is a helper function that calls Reader.Read using io.ReadFull.

src/crypto/rand/rand_wasip1.go

@@ -0,0 +1,27 @@
+// Copyright 2023 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 wasip1
+
+package rand
+
+import "syscall"
+
+func init() {
+	Reader = &reader{}
+}
+
+type reader struct{}
+
+func (r *reader) Read(b []byte) (int, error) {
+	// This uses the wasi_snapshot_preview1 random_get syscall defined in
+	// https://github.com/WebAssembly/WASI/blob/23a52736049f4327dd335434851d5dc40ab7cad1/legacy/preview1/docs.md#-random_getbuf-pointeru8-buf_len-size---result-errno.
+	// The definition does not explicitly guarantee that the entire buffer will
+	// be filled, but this appears to be the case in all runtimes tested.
+	err := syscall.RandomGet(b)
+	if err != nil {
+		return 0, err
+	}
+	return len(b), nil
+}

src/crypto/x509/root_unix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build aix || dragonfly || freebsd || (js && wasm) || linux || netbsd || openbsd || solaris
+//go:build aix || dragonfly || freebsd || (js && wasm) || linux || netbsd || openbsd || solaris || wasip1
 
 package x509
 

src/crypto/x509/root_js.go → src/crypto/x509/root_wasm.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build js && wasm
+//go:build wasm
 
 package x509
 

src/debug/elf/file_test.go

@@ -900,7 +900,7 @@ func TestCompressedSection(t *testing.T) {
 func TestNoSectionOverlaps(t *testing.T) {
 	// Ensure cmd/link outputs sections without overlaps.
 	switch runtime.GOOS {
-	case "aix", "android", "darwin", "ios", "js", "plan9", "windows":
+	case "aix", "android", "darwin", "ios", "js", "plan9", "windows", "wasip1":
 		t.Skipf("cmd/link doesn't produce ELF binaries on %s", runtime.GOOS)
 	}
 	_ = net.ResolveIPAddr // force dynamic linkage

src/go/types/example_test.go

@@ -5,7 +5,7 @@
 // Only run where builders (build.golang.org) have
 // access to compiled packages for import.
 //
-//go:build !android && !ios && !js
+//go:build !android && !ios && !js && !wasip1
 
 package types_test
 

src/io/ioutil/ioutil_test.go

@@ -9,6 +9,7 @@ import (
 	. "io/ioutil"
 	"os"
 	"path/filepath"
+	"runtime"
 	"testing"
 )
 
@@ -70,6 +71,9 @@ func TestReadOnlyWriteFile(t *testing.T) {
 	if os.Getuid() == 0 {
 		t.Skipf("Root can write to read-only files anyway, so skip the read-only test.")
 	}
+	if runtime.GOOS == "wasip1" {
+		t.Skip("file permissions are not supported by wasip1")
+	}
 
 	// We don't want to use TempFile directly, since that opens a file for us as 0600.
 	tempDir, err := TempDir("", t.Name())

src/log/syslog/syslog_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !windows && !plan9 && !js
+//go:build !windows && !plan9 && !js && !wasip1
 
 package syslog
 

src/mime/type_unix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build unix || (js && wasm)
+//go:build unix || (js && wasm) || wasip1
 
 package mime
 

src/net/conf.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/conn_test.go

@@ -5,7 +5,7 @@
 // This file implements API tests across platforms and will never have a build
 // tag.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/dial_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/dnsclient_unix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 // DNS client: see RFC 1035.
 // Has to be linked into package net for Dial.

src/net/dnsconfig_unix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js && !windows
+//go:build !js && !wasip1 && !windows
 
 // Read system DNS config from /etc/resolv.conf
 

src/net/dnsname_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/error_posix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build unix || (js && wasm) || windows
+//go:build unix || (js && wasm) || wasip1 || windows
 
 package net
 

src/net/error_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/error_unix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build unix || js
+//go:build unix || js || wasip1
 
 package net
 

src/net/external_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/file_stub.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build js && wasm
+//go:build (js && wasm) || wasip1
 
 package net
 

src/net/file_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/hook_unix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build unix || (js && wasm)
+//go:build unix || (js && wasm) || wasip1
 
 package net
 

src/net/http/roundtrip.go

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

src/net/http/transport_default_other.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !(js && wasm)
-// +build !js !wasm
+//go:build !wasm
 
 package http
 

src/net/http/transport_default_js.go → src/net/http/transport_default_wasm.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build js && wasm
-// +build js,wasm
+//go:build (js && wasm) || wasip1
 
 package http
 

src/net/interface_stub.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build js && wasm
+//go:build (js && wasm) || wasip1
 
 package net
 

src/net/interface_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/internal/socktest/main_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js && !plan9
+//go:build !js && !plan9 && !wasip1
 
 package socktest_test
 

src/net/internal/socktest/main_unix_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js && !plan9 && !windows
+//go:build !js && !plan9 && !wasip1 && !windows
 
 package socktest_test
 

src/net/internal/socktest/switch_unix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build unix || (js && wasm)
+//go:build unix || (js && wasm) || wasip1
 
 package socktest
 

src/net/internal/socktest/sys_unix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build unix || (js && wasm)
+//go:build unix || (js && wasm) || wasip1
 
 package socktest
 

src/net/ip_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/iprawsock_posix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build unix || (js && wasm) || windows
+//go:build unix || (js && wasm) || wasip1 || windows
 
 package net
 

src/net/iprawsock_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/ipsock_posix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build unix || (js && wasm) || windows
+//go:build unix || (js && wasm) || wasip1 || windows
 
 package net
 

src/net/listen_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js && !plan9
+//go:build !js && !plan9 && !wasip1
 
 package net
 

src/net/lookup_fake.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build js && wasm
+//go:build (js && wasm) || wasip1
 
 package net
 

src/net/lookup_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js
+//go:build !js && !wasip1
 
 package net
 

src/net/main_conf_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !js && !plan9
+//go:build !js && !plan9 && !wasip1
 
 package net
 

src/net/main_noconf_test.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build (js && wasm) || plan9
+//go:build (js && wasm) || plan9 || wasip1
 
 package net