// This arithmetic must match that in runtime/stack.go:stackNosplit.
	return abi.StackNosplitBase * stackGuardMultiplier(race)
}

// stackGuardMultiplier returns a multiplier to apply to the default
// stack guard size. Larger multipliers are used for non-optimized
// builds that have larger stack frames or for specific targets.
func stackGuardMultiplier(race bool) int {

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

package runtime

import (
	"internal/goarch"
	"runtime/internal/sys"
	"unsafe"
)

type m0Stack struct {
	_ [8192 * sys.StackGuardMultiplier]byte
}

var wasmStack m0Stack

func wasmDiv()

func wasmTruncS()
func wasmTruncU()

//go:wasmimport gojs runtime.wasmExit
func wasmExit(code int32)

)

// AIX requires a larger stack for syscalls.
// The race build also needs more stack. See issue 54291.
// This arithmetic must match that in cmd/internal/objabi/stack.go:stackGuardMultiplier.
const StackGuardMultiplier = 1 + goos.IsAix + isRace

// DefaultPhysPageSize is the default physical page size.
const DefaultPhysPageSize = goarch.DefaultPhysPageSize

	// stackNosplit is the maximum number of bytes that a chain of NOSPLIT
	// functions can use.
	// This arithmetic must match that in cmd/internal/objabi/stack.go:StackNosplit.
	stackNosplit = abi.StackNosplitBase * sys.StackGuardMultiplier

	// The stack guard is a pointer this many bytes above the
	// bottom of the stack.
	//
	// The guard leaves enough room for a stackNosplit chain of NOSPLIT calls

		// We set hi to &size, but there are things above
		// it. The 1024 is supposed to compensate this,
		// but is somewhat arbitrary.
		size := gp.stack.hi
		if size == 0 {
			size = 16384 * sys.StackGuardMultiplier
		}
		gp.stack.hi = uintptr(noescape(unsafe.Pointer(&size)))
		gp.stack.lo = gp.stack.hi - size + 1024
	}
	// Initialize stack guard so that we can start calling regular
	// Go code.