golang/src/runtime/mem_wasm.go

21 lines
488 B
Go

// 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
}
resetMemoryDataView()
return unsafe.Pointer(uintptr(size) * physPageSize)
}
// Implemented in src/runtime/sys_wasm.s
func growMemory(pages int32) int32