[Courgette] Simple AssemblyProgram and Disassembler cleanups.

courgette/disassembler_elf_32.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COURGETTE_DISASSEMBLER_ELF_32_H_
 #define COURGETTE_DISASSEMBLER_ELF_32_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 86 matching lines @@
  public:
   DisassemblerElf32(const uint8_t* start, size_t length);
 
   ~DisassemblerElf32() override { }
 
   // Disassembler interfaces.
   RVA FileOffsetToRVA(FileOffset file_offset) const override;
   FileOffset RVAToFileOffset(RVA rva) const override;
   RVA PointerToTargetRVA(const uint8_t* p) const override;
   ExecutableType kind() const override = 0;
+  uint64_t image_base() const override { return 0; }
   bool ParseHeader() override;
-  bool Disassemble(AssemblyProgram* target) override;
+  bool Disassemble(AssemblyProgram* program) override;
 
   virtual e_machine_values ElfEM() const = 0;
 
   CheckBool IsValidTargetRVA(RVA rva) const WARN_UNUSED_RESULT;
 
   // Converts an ELF relocation instruction into an RVA.
   virtual CheckBool RelToRVA(Elf32_Rel rel, RVA* result)
     const WARN_UNUSED_RESULT = 0;
 
   // Public for unittests only
@@ skipping 110 matching lines @@
   mutable std::vector<RVA> abs32_locations_;
   mutable std::vector<std::unique_ptr<TypedRVA>> rel32_locations_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DisassemblerElf32);
 };
 
 }  // namespace courgette
 
 #endif  // COURGETTE_DISASSEMBLER_ELF_32_H_