},
				{
					desc:       "Configure WebAssembly filter for waypoint",
					name:       "waypoint-wasm-test",
					targetType: "gateway",
					targetName: constants.DefaultNamespaceWaypoint,
				},
				{
					desc:       "Configure WebAssembly filter for specific service",
					name:       "service-wasm-test",
					targetType: "service",

		RIGHT_PATH_REMOVE_DIRECTORY |
		RIGHT_PATH_UNLINK_FILE
)

// https://github.com/WebAssembly/WASI/blob/a2b96e81c0586125cc4dc79a5be0b78d9a059925/legacy/preview1/docs.md#-fd_closefd-fd---result-errno
//
//go:wasmimport wasi_snapshot_preview1 fd_close
//go:noescape
func fd_close(fd int32) Errno

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package runtime

import (
	"internal/runtime/atomic"
	"unsafe"
)

func osinit() {
	// https://webassembly.github.io/spec/core/exec/runtime.html#memory-instances
	physPageSize = 64 * 1024
	initBloc()
	ncpu = 1
	getg().m.procid = 2
}

const _SIGSEGV = 0xb

func sigpanic() {
	gp := getg()
	if !canpanic() {

// the value of [runtime.NumCPU]. If n < 1, it does not change the current setting.
// This call will go away when the scheduler improves.
func GOMAXPROCS(n int) int {
	if GOARCH == "wasm" && n > 1 {
		n = 1 // WebAssembly has no threads yet, so only one CPU is possible.
	}

	lock(&sched.lock)
	ret := int(gomaxprocs)
	unlock(&sched.lock)
	if n <= 0 || n == ret {
		return ret
	}

	stw := stopTheWorldGC(stwGOMAXPROCS)

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// TODO(neelance): implement with actual atomic operations as soon as threads are available
// See https://github.com/WebAssembly/design/issues/1073

// Export some functions via linkname to assembly in sync/atomic.
//
//go:linkname Load
//go:linkname Loadp
//go:linkname Load64
//go:linkname Loadint32
//go:linkname Loadint64

			fd.Dircookie = 0
			return 0, nil
		} else {
			return 0, syscall.EINVAL
		}
	}

	return syscall.Seek(fd.Sysfd, offset, whence)
}

// https://github.com/WebAssembly/WASI/blob/main/legacy/preview1/docs.md#-dirent-record
const sizeOfDirent = 24

func direntReclen(buf []byte) (uint64, bool) {
	namelen, ok := direntNamlen(buf)
	return sizeOfDirent + namelen, ok
}

// 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 js && wasm

// Package js gives access to the WebAssembly host environment when using the js/wasm architecture.
// Its API is based on JavaScript semantics.
//
// This package is EXPERIMENTAL. Its current scope is only to allow tests to run, but not yet to provide a

	Block *Block

	// Source position
	Pos src.XPos

	// Use count. Each appearance in Value.Args and Block.Controls counts once.
	Uses int32

	// wasm: Value stays on the WebAssembly stack. This value will not get a "register" (WebAssembly variable)
	// nor a slot on Go stack, and the generation of this value is delayed to its use time.
	OnWasmStack bool

		}
		wfs[i].Offset = p.FrameOffset(result)
	}
	return wfs
}

// setupWasmABI calculates the params and results in terms of WebAssembly values for the given function.
func setupWasmABI(f *ir.Func) {
	wi := obj.WasmImport{
		Module: f.WasmImport.Module,
		Name:   f.WasmImport.Name,
	}
	if wi.Module == wasm.GojsModule {

	// For wrapper functions, WrappedFunc point to the original Func.
	// Currently only used for go/defer wrappers.
	WrappedFunc *Func

	// WasmImport is used by the //go:wasmimport directive to store info about
	// a WebAssembly function import.
	WasmImport *WasmImport
}

// WasmImport stores metadata associated with the //go:wasmimport pragma.
type WasmImport struct {
	Module string
	Name   string
}