| // 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 !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !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") } |
