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      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_
     48