blob: d9d32705bb6a068cef4d93ea5658f4c1f9955c79 [file] [log] [blame]
// Copyright 2023 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 "unsafe"
func sbrk(n uintptr) unsafe.Pointer {
grow := divRoundUp(n, physPageSize)
size := growMemory(int32(grow))
if size < 0 {
return nil
return unsafe.Pointer(uintptr(size) * physPageSize)
// Implemented in src/runtime/sys_wasm.s
func growMemory(pages int32) int32