blob: 9bf710ba0e799d3213eb865e1a0f0106e59ceb12 [file] [log] [blame]
// 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.
package runtime
import (
"runtime/internal/sys"
"unsafe"
)
type m0Stack struct {
_ [8192 * sys.StackGuardMultiplier]byte
}
var wasmStack m0Stack
func wasmMove()
func wasmZero()
func wasmDiv()
func wasmTruncS()
func wasmTruncU()
func wasmExit(code int32)
// adjust Gobuf as it if executed a call to fn with context ctxt
// and then did an immediate gosave.
func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) {
sp := buf.sp
if sys.RegSize > sys.PtrSize {
sp -= sys.PtrSize
*(*uintptr)(unsafe.Pointer(sp)) = 0
}
sp -= sys.PtrSize
*(*uintptr)(unsafe.Pointer(sp)) = buf.pc
buf.sp = sp
buf.pc = uintptr(fn)
buf.ctxt = ctxt
}