1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef COMPONENTS_NACL_LOADER_NONSFI_ELF_LOADER_H_
6#define COMPONENTS_NACL_LOADER_NONSFI_ELF_LOADER_H_
7
8#include "base/basictypes.h"
9#include "base/memory/scoped_ptr.h"
10#include "native_client/src/include/portability.h"
11#include "native_client/src/trusted/service_runtime/nacl_error_code.h"
12
13#if !defined(OS_LINUX)
14#error Non SFI mode is currently supported only on linux.
15#endif
16
17struct NaClDesc;
18
19namespace nacl {
20namespace nonsfi {
21
22class ElfImage {
23 public:
24  ElfImage();
25  ~ElfImage();
26
27  // Available only after Load() is called.
28  uintptr_t entry_point() const;
29
30  // Reads the ELF file from the descriptor and stores the header information
31  // into this instance.
32  NaClErrorCode Read(struct NaClDesc* descriptor);
33
34  // Loads the ELF executable to the memory.
35  NaClErrorCode Load(struct NaClDesc* descriptor);
36
37 private:
38  struct Data;
39  ::scoped_ptr<Data> data_;
40
41  DISALLOW_COPY_AND_ASSIGN(ElfImage);
42};
43
44}  // namespace nonsfi
45}  // namespace nacl
46
47#endif  // COMPONENTS_NACL_LOADER_NONSFI_ELF_LOADER_H_
48