Start refactoring to reduce executable type knowledge.

courgette/disassembler_win32_x86.h

+// Copyright (c) 2011 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_WIN32_X86_H_
+#define COURGETTE_DISASSEMBLER_WIN32_X86_H_
+
+#include "base/basictypes.h"
+#include "courgette/disassembler.h"
+#include "courgette/image_info.h"
+#include "courgette/memory_allocator.h"
+
+namespace courgette {
+
+class AssemblyProgram;
+
+class DisassemblerWin32X86 : public Disassembler {
+ public:
+  explicit DisassemblerWin32X86(PEInfo* pe_info);
+
+  virtual bool Disassemble(AssemblyProgram* target);
+
+ protected:
+  PEInfo& pe_info() { return *pe_info_; }
+
+  CheckBool ParseFile(AssemblyProgram* target) WARN_UNUSED_RESULT;
+  bool ParseAbs32Relocs();
+  void ParseRel32RelocsFromSections();
+  void ParseRel32RelocsFromSection(const Section* section);
+
+  CheckBool ParseNonSectionFileRegion(uint32 start_file_offset,
+      uint32 end_file_offset, AssemblyProgram* program) WARN_UNUSED_RESULT;
+  CheckBool ParseFileRegion(const Section* section,
+      uint32 start_file_offset, uint32 end_file_offset,
+      AssemblyProgram* program) WARN_UNUSED_RESULT;
+
+#if COURGETTE_HISTOGRAM_TARGETS
+  void HistogramTargets(const char* kind, const std::map<RVA, int>& map);
+#endif
+
+  PEInfo* pe_info_;
+  bool incomplete_disassembly_;  // 'true' if can leave out 'uninteresting' bits
+
+  std::vector<RVA> abs32_locations_;
+  std::vector<RVA> rel32_locations_;
+
+#if COURGETTE_HISTOGRAM_TARGETS
+  std::map<RVA, int> abs32_target_rvas_;
+  std::map<RVA, int> rel32_target_rvas_;
+#endif
+
+  DISALLOW_COPY_AND_ASSIGN(DisassemblerWin32X86);
+};
+
+}  // namespace courgette
+#endif  // COURGETTE_DISASSEMBLER_WIN32_X86_H_