1// Copyright 2023 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package runtime
6
7import "unsafe"
8
9func sbrk(n uintptr) unsafe.Pointer {
10	grow := divRoundUp(n, physPageSize)
11	size := growMemory(int32(grow))
12	if size < 0 {
13		return nil
14	}
15	resetMemoryDataView()
16	return unsafe.Pointer(uintptr(size) * physPageSize)
17}
18
19// Implemented in src/runtime/sys_wasm.s
20func growMemory(pages int32) int32
21