| // Copyright 2019 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. | |
| //go:build !unix && !windows | |
| package ld | |
| // Mmap allocates an in-heap output buffer with the given size. It copies | |
| // any old data (if any) to the new buffer. | |
| func (out *OutBuf) Mmap(filesize uint64) error { | |
| // We need space to put all the symbols before we apply relocations. | |
| oldheap := out.heap | |
| if filesize < uint64(len(oldheap)) { | |
| panic("mmap size too small") | |
| } | |
| out.heap = make([]byte, filesize) | |
| copy(out.heap, oldheap) | |
| return nil | |
| } | |
| func (out *OutBuf) munmap() { panic("unreachable") } | |