blob: 6b40a8d3e94c96acc27cc65b43c263e285e9afd8 [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 (
"internal/goarch"
"internal/runtime/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)
// adjust Gobuf as it if executed a call to fn with context ctxt
// and then stopped before the first instruction in fn.
func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) {
sp := buf.sp
sp -= goarch.PtrSize
*(*uintptr)(unsafe.Pointer(sp)) = buf.pc
buf.sp = sp
buf.pc = uintptr(fn)
buf.ctxt = ctxt
}
func notInitialized() // defined in assembly, call notInitialized1
// Called if a wasmexport function is called before runtime initialization
//
//go:nosplit
func notInitialized1() {
writeErrStr("runtime: wasmexport function called before runtime initialization\n")
if isarchive || islibrary {
writeErrStr("\tcall _initialize first\n")
} else {
writeErrStr("\tcall _start first\n")
}
}