components/nacl/loader/nonsfi/elf_loader.h

   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
  17 struct NaClDesc;
  18
  19 namespace nacl {
  20 namespace nonsfi {
  21
  22 class 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_