I32Const $wasm_export_getsp(SB)
	Drop

// wasm_export_run gets called from JavaScript. It initializes the Go runtime and executes Go code until it needs
// to wait for an event. It does NOT follow the Go ABI. It has two WebAssembly parameters:
// R0: argc (i32)
// R1: argv (i32)
TEXT wasm_export_run(SB),NOSPLIT,$0
	MOVD $runtime·wasmStack+(m0Stack__size-16)(SB), SP

	Get SP
	Get R0 // argc
	I64ExtendI32U
	I64Store $0

	Get SP

// license that can be found in the LICENSE file.

//go:build wasip1

package runtime

// wasm has no support for threads yet. There is no preemption.
// See proposal: https://github.com/WebAssembly/threads
// Waiting for a mutex or timeout is implemented as a busy loop
// while allowing other goroutines to run.

const (
	mutex_unlocked = 0
	mutex_locked   = 1

	active_spin     = 4
	active_spin_cnt = 30

		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

func clearIdleTimeout() {
	idleTimeout.clear()
	idleTimeout = nil
}

// pause sets SP to newsp and pauses the execution of Go's WebAssembly code until an event is triggered.
func pause(newsp uintptr)

// scheduleTimeoutEvent tells the WebAssembly environment to trigger an event after ms milliseconds.
// It returns a timer id that can be used with clearTimeoutEvent.
//

TEXT wasm_pc_f_loop(SB),NOSPLIT,$0
// Call the function for the current PC_F. Repeat until PAUSE != 0 indicates pause or exit.
// The WebAssembly stack may unwind, e.g. when switching goroutines.
// The Go stack on the linear memory is then used to jump to the correct functions
// with this loop, without having to restore the full WebAssembly stack.
// It is expected to have a pending call before entering the loop, so check PAUSE first.
	Get PAUSE
	I32Eqz
	If

// 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() {

					},

					"debug": (value) => {
						console.log(value);
					},
				}
			};
		}

		async run(instance) {
			if (!(instance instanceof WebAssembly.Instance)) {
				throw new Error("Go.run: WebAssembly.Instance expected");
			}
			this._inst = instance;
			this.mem = new DataView(this._inst.exports.mem.buffer);

		{name: "LoweredConvert", argLength: 2, reg: regInfo{inputs: []regMask{gp}, outputs: []regMask{gp}}},

		// The following are native WebAssembly instructions, see https://webassembly.github.io/spec/core/syntax/instructions.html

		{name: "Select", asm: "Select", argLength: 3, reg: gp31}, // returns arg0 if arg2 != 0, otherwise returns arg1

// 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