From 7962e89474188b87c41f358d9bc75ab99ad9c7d1 Mon Sep 17 00:00:00 2001
From: Ayke van Laethem <aykevanlaethem@gmail.com>
Date: Thu, 10 Aug 2023 22:36:35 +0200
Subject: [PATCH] wasm: add support for GOOS=wasip1

---
 Makefile                                    |  2 ++
 builder/builder_test.go                     |  1 +
 compileopts/target.go                       | 32 ++++++++++++++++++++-
 main_test.go                                | 16 +++++++++--
 src/os/dir_unix.go                          |  2 +-
 src/os/dir_wasi.go                          |  2 +-
 src/os/env_unix_test.go                     |  2 +-
 src/os/exec_posix.go                        |  2 +-
 src/os/file_other.go                        |  2 +-
 src/os/file_unix.go                         |  2 +-
 src/os/getpagesize_test.go                  |  2 +-
 src/os/is_wasi_no_test.go                   |  2 +-
 src/os/is_wasi_test.go                      |  2 +-
 src/os/os_anyos_test.go                     |  2 +-
 src/os/os_chmod_test.go                     |  2 +-
 src/os/os_symlink_test.go                   |  2 +-
 src/os/read_test.go                         |  2 +-
 src/os/removeall_noat.go                    |  2 +-
 src/os/removeall_other.go                   |  2 +-
 src/os/{stat_linux.go => stat_linuxlike.go} |  6 +++-
 src/os/stat_other.go                        |  2 +-
 src/os/stat_unix.go                         |  2 +-
 src/os/tempfile_test.go                     |  2 +-
 src/os/types_unix.go                        |  2 +-
 src/runtime/env.go                          |  2 +-
 src/runtime/env_unix.go                     |  2 +-
 src/runtime/os_wasip1.go                    |  8 ++++++
 src/runtime/runtime_wasm_js.go              |  2 +-
 src/runtime/runtime_wasm_js_scheduler.go    |  2 +-
 src/runtime/runtime_wasm_wasi.go            |  2 +-
 src/syscall/errno_other.go                  |  2 +-
 src/syscall/file_emulated.go                |  2 +-
 src/syscall/file_hosted.go                  |  2 +-
 src/syscall/proc_emulated.go                |  2 +-
 src/syscall/proc_hosted.go                  |  2 +-
 src/syscall/syscall_libc.go                 |  2 +-
 src/syscall/syscall_libc_wasi.go            |  2 +-
 src/testing/is_wasi_no_test.go              |  2 +-
 src/testing/is_wasi_test.go                 |  2 +-
 39 files changed, 94 insertions(+), 37 deletions(-)
 rename src/os/{stat_linux.go => stat_linuxlike.go} (82%)
 create mode 100644 src/runtime/os_wasip1.go

diff --git a/Makefile b/Makefile
index 1bb84463b0..541c08b7f4 100644
--- a/Makefile
+++ b/Makefile
@@ -417,6 +417,8 @@ tinygo-bench-fast:
 # Same thing, except for wasi rather than the current platform.
 tinygo-test-wasi:
 	$(TINYGO) test -target wasi $(TEST_PACKAGES_FAST) $(TEST_PACKAGES_SLOW) ./tests/runtime_wasi
+tinygo-test-wasip1:
+	GOOS=wasip1 GOARCH=wasm $(TINYGO) test $(TEST_PACKAGES_FAST) $(TEST_PACKAGES_SLOW) ./tests/runtime_wasi
 tinygo-test-wasi-fast:
 	$(TINYGO) test -target wasi $(TEST_PACKAGES_FAST) ./tests/runtime_wasi
 tinygo-bench-wasi:
diff --git a/builder/builder_test.go b/builder/builder_test.go
index f8bdd51341..03a33b9d49 100644
--- a/builder/builder_test.go
+++ b/builder/builder_test.go
@@ -60,6 +60,7 @@ func TestClangAttributes(t *testing.T) {
 		{GOOS: "darwin", GOARCH: "arm64"},
 		{GOOS: "windows", GOARCH: "amd64"},
 		{GOOS: "windows", GOARCH: "arm64"},
+		{GOOS: "wasip1", GOARCH: "wasm"},
 	} {
 		name := "GOOS=" + options.GOOS + ",GOARCH=" + options.GOARCH
 		if options.GOARCH == "arm" {
diff --git a/compileopts/target.go b/compileopts/target.go
index 3040f9022f..249f7c3eff 100644
--- a/compileopts/target.go
+++ b/compileopts/target.go
@@ -191,12 +191,15 @@ func LoadTarget(options *Options) (*TargetSpec, error) {
 			default:
 				return nil, fmt.Errorf("invalid GOARM=%s, must be 5, 6, or 7", options.GOARM)
 			}
+		case "wasm":
+			llvmarch = "wasm32"
 		default:
 			llvmarch = options.GOARCH
 		}
 		llvmvendor := "unknown"
 		llvmos := options.GOOS
-		if llvmos == "darwin" {
+		switch llvmos {
+		case "darwin":
 			// Use macosx* instead of darwin, otherwise darwin/arm64 will refer
 			// to iOS!
 			llvmos = "macosx10.12.0"
@@ -207,6 +210,8 @@ func LoadTarget(options *Options) (*TargetSpec, error) {
 				llvmos = "macosx11.0.0"
 			}
 			llvmvendor = "apple"
+		case "wasip1":
+			llvmos = "wasi"
 		}
 		// Target triples (which actually have four components, but are called
 		// triples for historical reasons) have the form:
@@ -277,6 +282,15 @@ func defaultTarget(goos, goarch, triple string) (*TargetSpec, error) {
 	case "arm64":
 		spec.CPU = "generic"
 		spec.Features = "+neon"
+	case "wasm":
+		spec.CPU = "generic"
+		spec.Features = "+bulk-memory,+nontrapping-fptoint,+sign-ext"
+		spec.BuildTags = append(spec.BuildTags, "tinygo.wasm")
+		spec.CFlags = append(spec.CFlags,
+			"-mbulk-memory",
+			"-mnontrapping-fptoint",
+			"-msign-ext",
+		)
 	}
 	if goos == "darwin" {
 		spec.Linker = "ld.lld"
@@ -320,6 +334,22 @@ func defaultTarget(goos, goarch, triple string) (*TargetSpec, error) {
 			"--no-insert-timestamp",
 			"--no-dynamicbase",
 		)
+	} else if goos == "wasip1" {
+		spec.GC = "" // use default GC
+		spec.Scheduler = "asyncify"
+		spec.Linker = "wasm-ld"
+		spec.RTLib = "compiler-rt"
+		spec.Libc = "wasi-libc"
+		spec.DefaultStackSize = 1024 * 16 // 16kB
+		spec.LDFlags = append(spec.LDFlags,
+			"--stack-first",
+			"--no-demangle",
+		)
+		spec.Emulator = "wasmtime --mapdir=/tmp::{tmpDir} {}"
+		spec.ExtraFiles = append(spec.ExtraFiles,
+			"src/runtime/asm_tinygowasm.S",
+			"src/internal/task/task_asyncify_wasm.S",
+		)
 	} else {
 		spec.LDFlags = append(spec.LDFlags, "-no-pie", "-Wl,--gc-sections") // WARNING: clang < 5.0 requires -nopie
 	}
diff --git a/main_test.go b/main_test.go
index 32d13f9103..ae7aed564d 100644
--- a/main_test.go
+++ b/main_test.go
@@ -34,6 +34,16 @@ var supportedLinuxArches = map[string]string{
 	"X86Linux":   "linux/386",
 	"ARMLinux":   "linux/arm/6",
 	"ARM64Linux": "linux/arm64",
+	"WASIp1":     "wasip1/wasm",
+}
+
+func init() {
+	major, _, _ := goenv.GetGorootVersion()
+	if major < 21 {
+		// Go 1.20 backwards compatibility.
+		// Should be removed once we drop support for Go 1.20.
+		delete(supportedLinuxArches, "WASIp1")
+	}
 }
 
 var sema = make(chan struct{}, runtime.NumCPU())
@@ -176,6 +186,8 @@ func runPlatTests(options compileopts.Options, tests []string, t *testing.T) {
 		t.Fatal("failed to load target spec:", err)
 	}
 
+	isWebAssembly := options.Target == "wasi" || options.Target == "wasm" || (options.Target == "" && options.GOARCH == "wasm")
+
 	for _, name := range tests {
 		if options.GOOS == "linux" && (options.GOARCH == "arm" || options.GOARCH == "386") {
 			switch name {
@@ -226,7 +238,7 @@ func runPlatTests(options compileopts.Options, tests []string, t *testing.T) {
 			runTest("env.go", options, t, []string{"first", "second"}, []string{"ENV1=VALUE1", "ENV2=VALUE2"})
 		})
 	}
-	if options.Target == "wasi" || options.Target == "wasm" {
+	if isWebAssembly {
 		t.Run("alias.go-scheduler-none", func(t *testing.T) {
 			t.Parallel()
 			options := compileopts.Options(options)
@@ -246,7 +258,7 @@ func runPlatTests(options compileopts.Options, tests []string, t *testing.T) {
 			runTest("rand.go", options, t, nil, nil)
 		})
 	}
-	if options.Target != "wasi" && options.Target != "wasm" {
+	if !isWebAssembly {
 		// The recover() builtin isn't supported yet on WebAssembly and Windows.
 		t.Run("recover.go", func(t *testing.T) {
 			t.Parallel()
diff --git a/src/os/dir_unix.go b/src/os/dir_unix.go
index f290ea38e7..baacdd68dc 100644
--- a/src/os/dir_unix.go
+++ b/src/os/dir_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 linux && !baremetal && !wasi
+//go:build linux && !baremetal && !wasi && !wasip1
 
 package os
 
diff --git a/src/os/dir_wasi.go b/src/os/dir_wasi.go
index 60a941f24f..23be3950ee 100644
--- a/src/os/dir_wasi.go
+++ b/src/os/dir_wasi.go
@@ -6,7 +6,7 @@
 // fairly similar: we use fdopendir, fdclosedir, and readdir from wasi-libc in
 // a similar way that the darwin code uses functions from libc.
 
-//go:build wasi
+//go:build wasi || wasip1
 
 package os
 
diff --git a/src/os/env_unix_test.go b/src/os/env_unix_test.go
index b5f6473e14..034f481544 100644
--- a/src/os/env_unix_test.go
+++ b/src/os/env_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 darwin || linux
+//go:build darwin || linux || wasip1
 
 package os_test
 
diff --git a/src/os/exec_posix.go b/src/os/exec_posix.go
index 151520cca7..3ccb6963bb 100644
--- a/src/os/exec_posix.go
+++ b/src/os/exec_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 aix || darwin || dragonfly || freebsd || (js && wasm) || linux || netbsd || openbsd || solaris || windows
+//go:build aix || darwin || dragonfly || freebsd || (js && wasm) || linux || netbsd || openbsd || solaris || wasip1 || windows
 
 package os
 
diff --git a/src/os/file_other.go b/src/os/file_other.go
index 7e5833d353..d093e3d184 100644
--- a/src/os/file_other.go
+++ b/src/os/file_other.go
@@ -1,4 +1,4 @@
-//go:build baremetal || (wasm && !wasi)
+//go:build baremetal || (wasm && !wasi && !wasip1)
 
 package os
 
diff --git a/src/os/file_unix.go b/src/os/file_unix.go
index 6314db8fae..665fb0937e 100644
--- a/src/os/file_unix.go
+++ b/src/os/file_unix.go
@@ -1,4 +1,4 @@
-//go:build darwin || (linux && !baremetal)
+//go:build darwin || (linux && !baremetal) || wasip1
 
 // target wasi sets GOOS=linux and thus the +linux build tag,
 // even though it doesn't show up in "tinygo info target -wasi"
diff --git a/src/os/getpagesize_test.go b/src/os/getpagesize_test.go
index 705cfd47d8..80475552be 100644
--- a/src/os/getpagesize_test.go
+++ b/src/os/getpagesize_test.go
@@ -1,4 +1,4 @@
-//go:build windows || darwin || (linux && !baremetal)
+//go:build windows || darwin || (linux && !baremetal) || wasip1
 
 package os_test
 
diff --git a/src/os/is_wasi_no_test.go b/src/os/is_wasi_no_test.go
index a8d04b674a..aa7745085b 100644
--- a/src/os/is_wasi_no_test.go
+++ b/src/os/is_wasi_no_test.go
@@ -1,4 +1,4 @@
-//go:build !wasi
+//go:build !wasi && !wasip1
 
 package os_test
 
diff --git a/src/os/is_wasi_test.go b/src/os/is_wasi_test.go
index 551e000752..619b1cb64f 100644
--- a/src/os/is_wasi_test.go
+++ b/src/os/is_wasi_test.go
@@ -1,4 +1,4 @@
-//go:build wasi
+//go:build wasi || wasip1
 
 package os_test
 
diff --git a/src/os/os_anyos_test.go b/src/os/os_anyos_test.go
index 76bf4f368a..6c482a166c 100644
--- a/src/os/os_anyos_test.go
+++ b/src/os/os_anyos_test.go
@@ -1,4 +1,4 @@
-//go:build windows || darwin || (linux && !baremetal)
+//go:build windows || darwin || (linux && !baremetal) || wasip1
 
 package os_test
 
diff --git a/src/os/os_chmod_test.go b/src/os/os_chmod_test.go
index af54815d84..911438d954 100644
--- a/src/os/os_chmod_test.go
+++ b/src/os/os_chmod_test.go
@@ -1,4 +1,4 @@
-//go:build !baremetal && !js && !wasi
+//go:build !baremetal && !js && !wasi && !wasip1
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/src/os/os_symlink_test.go b/src/os/os_symlink_test.go
index f231f8d9d5..f252116f5a 100644
--- a/src/os/os_symlink_test.go
+++ b/src/os/os_symlink_test.go
@@ -1,4 +1,4 @@
-//go:build !windows && !baremetal && !js && !wasi
+//go:build !windows && !baremetal && !js && !wasi && !wasip1
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/src/os/read_test.go b/src/os/read_test.go
index 6915dfaf91..e037b23498 100644
--- a/src/os/read_test.go
+++ b/src/os/read_test.go
@@ -1,4 +1,4 @@
-//go:build !baremetal && !js && !wasi
+//go:build !baremetal && !js && !wasi && !wasip1
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/src/os/removeall_noat.go b/src/os/removeall_noat.go
index 03339ae3bb..ae945c2497 100644
--- a/src/os/removeall_noat.go
+++ b/src/os/removeall_noat.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 !baremetal && !js && !wasi
+//go:build !baremetal && !js && !wasi && !wasip1
 
 package os
 
diff --git a/src/os/removeall_other.go b/src/os/removeall_other.go
index a388a6c222..ec055a9875 100644
--- a/src/os/removeall_other.go
+++ b/src/os/removeall_other.go
@@ -1,4 +1,4 @@
-//go:build baremetal || js || wasi
+//go:build baremetal || js || wasi || wasip1
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/src/os/stat_linux.go b/src/os/stat_linuxlike.go
similarity index 82%
rename from src/os/stat_linux.go
rename to src/os/stat_linuxlike.go
index d407c5c7ec..f2ff8a5f61 100644
--- a/src/os/stat_linux.go
+++ b/src/os/stat_linuxlike.go
@@ -1,9 +1,13 @@
-//go:build linux && !baremetal
+//go:build (linux && !baremetal) || wasip1
 
 // 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.
 
+// Note: this file is used for both Linux and WASI.
+// Eventually it might be better to spit it up, and make the syscall constants
+// match the typical WASI constants instead of the Linux-equivalents used here.
+
 package os
 
 import (
diff --git a/src/os/stat_other.go b/src/os/stat_other.go
index 162313b115..ff1bc37745 100644
--- a/src/os/stat_other.go
+++ b/src/os/stat_other.go
@@ -1,4 +1,4 @@
-//go:build baremetal || (wasm && !wasi)
+//go:build baremetal || (wasm && !wasi && !wasip1)
 
 // Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/src/os/stat_unix.go b/src/os/stat_unix.go
index 4667d96a70..54b2bb4857 100644
--- a/src/os/stat_unix.go
+++ b/src/os/stat_unix.go
@@ -1,4 +1,4 @@
-//go:build darwin || (linux && !baremetal)
+//go:build darwin || (linux && !baremetal) || wasip1
 
 // Copyright 2016 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/src/os/tempfile_test.go b/src/os/tempfile_test.go
index f25390d6c2..4b7416f4e0 100644
--- a/src/os/tempfile_test.go
+++ b/src/os/tempfile_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 !baremetal && !js && !wasi
+//go:build !baremetal && !js && !wasi && !wasip1
 
 package os_test
 
diff --git a/src/os/types_unix.go b/src/os/types_unix.go
index 68a4e628ad..943fc00f52 100644
--- a/src/os/types_unix.go
+++ b/src/os/types_unix.go
@@ -1,4 +1,4 @@
-//go:build darwin || (linux && !baremetal)
+//go:build darwin || (linux && !baremetal) || wasip1
 
 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
diff --git a/src/runtime/env.go b/src/runtime/env.go
index dceb6bd189..72232e2f58 100644
--- a/src/runtime/env.go
+++ b/src/runtime/env.go
@@ -1,4 +1,4 @@
-//go:build linux || darwin || windows
+//go:build linux || darwin || windows || wasip1
 
 package runtime
 
diff --git a/src/runtime/env_unix.go b/src/runtime/env_unix.go
index e205c14d6f..42dfd5158f 100644
--- a/src/runtime/env_unix.go
+++ b/src/runtime/env_unix.go
@@ -1,4 +1,4 @@
-//go:build linux || darwin
+//go:build linux || darwin || wasip1
 
 package runtime
 
diff --git a/src/runtime/os_wasip1.go b/src/runtime/os_wasip1.go
new file mode 100644
index 0000000000..52ee295e90
--- /dev/null
+++ b/src/runtime/os_wasip1.go
@@ -0,0 +1,8 @@
+package runtime
+
+// The actual GOOS=wasip1, as newly added in the Go 1.21 toolchain.
+// Previously we supported -target=wasi, but that was essentially faked by using
+// linux/arm instead because that was the closest thing that was already
+// supported in the Go standard library.
+
+const GOOS = "wasip1"
diff --git a/src/runtime/runtime_wasm_js.go b/src/runtime/runtime_wasm_js.go
index 443ed9e2ea..18ca44abec 100644
--- a/src/runtime/runtime_wasm_js.go
+++ b/src/runtime/runtime_wasm_js.go
@@ -1,4 +1,4 @@
-//go:build wasm && !wasi
+//go:build wasm && !wasi && !wasip1
 
 package runtime
 
diff --git a/src/runtime/runtime_wasm_js_scheduler.go b/src/runtime/runtime_wasm_js_scheduler.go
index 8f8823fef2..fc599a2a82 100644
--- a/src/runtime/runtime_wasm_js_scheduler.go
+++ b/src/runtime/runtime_wasm_js_scheduler.go
@@ -1,4 +1,4 @@
-//go:build wasm && !wasi && !scheduler.none
+//go:build wasm && !wasi && !scheduler.none && !wasip1
 
 package runtime
 
diff --git a/src/runtime/runtime_wasm_wasi.go b/src/runtime/runtime_wasm_wasi.go
index aec27e4c81..f258039ae6 100644
--- a/src/runtime/runtime_wasm_wasi.go
+++ b/src/runtime/runtime_wasm_wasi.go
@@ -1,4 +1,4 @@
-//go:build tinygo.wasm && wasi
+//go:build tinygo.wasm && (wasi || wasip1)
 
 package runtime
 
diff --git a/src/syscall/errno_other.go b/src/syscall/errno_other.go
index 19822a1c6c..a001096525 100644
--- a/src/syscall/errno_other.go
+++ b/src/syscall/errno_other.go
@@ -1,4 +1,4 @@
-//go:build !wasi && !darwin
+//go:build !wasi && !wasip1 && !darwin
 
 package syscall
 
diff --git a/src/syscall/file_emulated.go b/src/syscall/file_emulated.go
index f12d74e58e..5ed57f13b4 100644
--- a/src/syscall/file_emulated.go
+++ b/src/syscall/file_emulated.go
@@ -1,4 +1,4 @@
-//go:build baremetal || wasm
+//go:build baremetal || (wasm && !wasip1)
 
 // This file emulates some file-related functions that are only available
 // under a real operating system.
diff --git a/src/syscall/file_hosted.go b/src/syscall/file_hosted.go
index 553322f02c..d9198a779d 100644
--- a/src/syscall/file_hosted.go
+++ b/src/syscall/file_hosted.go
@@ -1,4 +1,4 @@
-//go:build !baremetal && !wasm
+//go:build !(baremetal || (wasm && !wasip1))
 
 // This file assumes there is a libc available that runs on a real operating
 // system.
diff --git a/src/syscall/proc_emulated.go b/src/syscall/proc_emulated.go
index 46570f5304..d8e7ff7a92 100644
--- a/src/syscall/proc_emulated.go
+++ b/src/syscall/proc_emulated.go
@@ -1,4 +1,4 @@
-//go:build baremetal || wasi || wasm
+//go:build baremetal || tinygo.wasm
 
 // This file emulates some process-related functions that are only available
 // under a real operating system.
diff --git a/src/syscall/proc_hosted.go b/src/syscall/proc_hosted.go
index ab35762d06..05c509e6ff 100644
--- a/src/syscall/proc_hosted.go
+++ b/src/syscall/proc_hosted.go
@@ -1,4 +1,4 @@
-//go:build !baremetal && !wasi && !wasm
+//go:build !baremetal && !tinygo.wasm
 
 // This file assumes there is a libc available that runs on a real operating
 // system.
diff --git a/src/syscall/syscall_libc.go b/src/syscall/syscall_libc.go
index ea0a000d18..7a13245b6d 100644
--- a/src/syscall/syscall_libc.go
+++ b/src/syscall/syscall_libc.go
@@ -1,4 +1,4 @@
-//go:build darwin || nintendoswitch || wasi
+//go:build darwin || nintendoswitch || wasi || wasip1
 
 package syscall
 
diff --git a/src/syscall/syscall_libc_wasi.go b/src/syscall/syscall_libc_wasi.go
index a3bd3a4872..5e6a231dff 100644
--- a/src/syscall/syscall_libc_wasi.go
+++ b/src/syscall/syscall_libc_wasi.go
@@ -1,4 +1,4 @@
-//go:build wasi
+//go:build wasi || wasip1
 
 package syscall
 
diff --git a/src/testing/is_wasi_no_test.go b/src/testing/is_wasi_no_test.go
index 86fab391eb..630467ec0b 100644
--- a/src/testing/is_wasi_no_test.go
+++ b/src/testing/is_wasi_no_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 !wasi
+//go:build !wasi && !wasip1
 
 package testing_test
 
diff --git a/src/testing/is_wasi_test.go b/src/testing/is_wasi_test.go
index e50af901b2..e20e15fc04 100644
--- a/src/testing/is_wasi_test.go
+++ b/src/testing/is_wasi_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 wasi
+//go:build wasi || wasip1
 
 package testing_test