Deleted OS_WIN and all Windows specific files from base.

base/win/pe_image.h

-// Copyright (c) 2010 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.
-
-// This file was adapted from GreenBorder's Code.
-// To understand what this class is about (for other than well known functions
-// as GetProcAddress), a good starting point is "An In-Depth Look into the
-// Win32 Portable Executable File Format" by Matt Pietrek:
-// http://msdn.microsoft.com/msdnmag/issues/02/02/PE/default.aspx
-
-#ifndef BASE_WIN_PE_IMAGE_H_
-#define BASE_WIN_PE_IMAGE_H_
-
-#include <windows.h>
-
-#if defined(_WIN32_WINNT_WIN8)
-// The Windows 8 SDK defines FACILITY_VISUALCPP in winerror.h.
-#undef FACILITY_VISUALCPP
-#endif
-#include <DelayIMP.h>
-
-namespace base {
-namespace win {
-
-// This class is a wrapper for the Portable Executable File Format (PE).
-// Its main purpose is to provide an easy way to work with imports and exports
-// from a file, mapped in memory as image.
-class PEImage {
- public:
-  // Callback to enumerate sections.
-  // cookie is the value passed to the enumerate method.
-  // Returns true to continue the enumeration.
-  typedef bool (*EnumSectionsFunction)(const PEImage &image,
-                                       PIMAGE_SECTION_HEADER header,
-                                       PVOID section_start, DWORD section_size,
-                                       PVOID cookie);
-
-  // Callback to enumerate exports.
-  // function is the actual address of the symbol. If forward is not null, it
-  // contains the dll and symbol to forward this export to. cookie is the value
-  // passed to the enumerate method.
-  // Returns true to continue the enumeration.
-  typedef bool (*EnumExportsFunction)(const PEImage &image, DWORD ordinal,
-                                      DWORD hint, LPCSTR name, PVOID function,
-                                      LPCSTR forward, PVOID cookie);
-
-  // Callback to enumerate import blocks.
-  // name_table and iat point to the imports name table and address table for
-  // this block. cookie is the value passed to the enumerate method.
-  // Returns true to continue the enumeration.
-  typedef bool (*EnumImportChunksFunction)(const PEImage &image, LPCSTR module,
-                                           PIMAGE_THUNK_DATA name_table,
-                                           PIMAGE_THUNK_DATA iat, PVOID cookie);
-
-  // Callback to enumerate imports.
-  // module is the dll that exports this symbol. cookie is the value passed to
-  // the enumerate method.
-  // Returns true to continue the enumeration.
-  typedef bool (*EnumImportsFunction)(const PEImage &image, LPCSTR module,
-                                      DWORD ordinal, LPCSTR name, DWORD hint,
-                                      PIMAGE_THUNK_DATA iat, PVOID cookie);
-
-  // Callback to enumerate dalayed import blocks.
-  // module is the dll that exports this block of symbols. cookie is the value
-  // passed to the enumerate method.
-  // Returns true to continue the enumeration.
-  typedef bool (*EnumDelayImportChunksFunction)(const PEImage &image,
-                                                PImgDelayDescr delay_descriptor,
-                                                LPCSTR module,
-                                                PIMAGE_THUNK_DATA name_table,
-                                                PIMAGE_THUNK_DATA iat,
-                                                PIMAGE_THUNK_DATA bound_iat,
-                                                PIMAGE_THUNK_DATA unload_iat,
-                                                PVOID cookie);
-
-  // Callback to enumerate relocations.
-  // cookie is the value passed to the enumerate method.
-  // Returns true to continue the enumeration.
-  typedef bool (*EnumRelocsFunction)(const PEImage &image, WORD type,
-                                     PVOID address, PVOID cookie);
-
-  explicit PEImage(HMODULE module) : module_(module) {}
-  explicit PEImage(const void* module) {
-    module_ = reinterpret_cast<HMODULE>(const_cast<void*>(module));
-  }
-
-  virtual ~PEImage() {}
-
-  // Gets the HMODULE for this object.
-  HMODULE module() const;
-
-  // Sets this object's HMODULE.
-  void set_module(HMODULE module);
-
-  // Checks if this symbol is actually an ordinal.
-  static bool IsOrdinal(LPCSTR name);
-
-  // Converts a named symbol to the corresponding ordinal.
-  static WORD ToOrdinal(LPCSTR name);
-
-  // Returns the DOS_HEADER for this PE.
-  PIMAGE_DOS_HEADER GetDosHeader() const;
-
-  // Returns the NT_HEADER for this PE.
-  PIMAGE_NT_HEADERS GetNTHeaders() const;
-
-  // Returns number of sections of this PE.
-  WORD GetNumSections() const;
-
-  // Returns the header for a given section.
-  // returns NULL if there is no such section.
-  PIMAGE_SECTION_HEADER GetSectionHeader(UINT section) const;
-
-  // Returns the size of a given directory entry.
-  DWORD GetImageDirectoryEntrySize(UINT directory) const;
-
-  // Returns the address of a given directory entry.
-  PVOID GetImageDirectoryEntryAddr(UINT directory) const;
-
-  // Returns the section header for a given address.
-  // Use: s = image.GetImageSectionFromAddr(a);
-  // Post: 's' is the section header of the section that contains 'a'
-  //       or NULL if there is no such section.
-  PIMAGE_SECTION_HEADER GetImageSectionFromAddr(PVOID address) const;
-
-  // Returns the section header for a given section.
-  PIMAGE_SECTION_HEADER GetImageSectionHeaderByName(LPCSTR section_name) const;
-
-  // Returns the first block of imports.
-  PIMAGE_IMPORT_DESCRIPTOR GetFirstImportChunk() const;
-
-  // Returns the exports directory.
-  PIMAGE_EXPORT_DIRECTORY GetExportDirectory() const;
-
-  // Returns the debug id (guid+age).
-  bool GetDebugId(LPGUID guid, LPDWORD age) const;
-
-  // Returns a given export entry.
-  // Use: e = image.GetExportEntry(f);
-  // Pre: 'f' is either a zero terminated string or ordinal
-  // Post: 'e' is a pointer to the export directory entry
-  //       that contains 'f's export RVA, or NULL if 'f'
-  //       is not exported from this image
-  PDWORD GetExportEntry(LPCSTR name) const;
-
-  // Returns the address for a given exported symbol.
-  // Use: p = image.GetProcAddress(f);
-  // Pre: 'f' is either a zero terminated string or ordinal.
-  // Post: if 'f' is a non-forwarded export from image, 'p' is
-  //       the exported function. If 'f' is a forwarded export
-  //       then p is the special value 0xFFFFFFFF. In this case
-  //       RVAToAddr(*GetExportEntry) can be used to resolve
-  //       the string that describes the forward.
-  FARPROC GetProcAddress(LPCSTR function_name) const;
-
-  // Retrieves the ordinal for a given exported symbol.
-  // Returns true if the symbol was found.
-  bool GetProcOrdinal(LPCSTR function_name, WORD *ordinal) const;
-
-  // Enumerates PE sections.
-  // cookie is a generic cookie to pass to the callback.
-  // Returns true on success.
-  bool EnumSections(EnumSectionsFunction callback, PVOID cookie) const;
-
-  // Enumerates PE exports.
-  // cookie is a generic cookie to pass to the callback.
-  // Returns true on success.
-  bool EnumExports(EnumExportsFunction callback, PVOID cookie) const;
-
-  // Enumerates PE imports.
-  // cookie is a generic cookie to pass to the callback.
-  // Returns true on success.
-  bool EnumAllImports(EnumImportsFunction callback, PVOID cookie) const;
-
-  // Enumerates PE import blocks.
-  // cookie is a generic cookie to pass to the callback.
-  // Returns true on success.
-  bool EnumImportChunks(EnumImportChunksFunction callback, PVOID cookie) const;
-
-  // Enumerates the imports from a single PE import block.
-  // cookie is a generic cookie to pass to the callback.
-  // Returns true on success.
-  bool EnumOneImportChunk(EnumImportsFunction callback, LPCSTR module_name,
-                          PIMAGE_THUNK_DATA name_table, PIMAGE_THUNK_DATA iat,
-                          PVOID cookie) const;
-
-
-  // Enumerates PE delay imports.
-  // cookie is a generic cookie to pass to the callback.
-  // Returns true on success.
-  bool EnumAllDelayImports(EnumImportsFunction callback, PVOID cookie) const;
-
-  // Enumerates PE delay import blocks.
-  // cookie is a generic cookie to pass to the callback.
-  // Returns true on success.
-  bool EnumDelayImportChunks(EnumDelayImportChunksFunction callback,
-                             PVOID cookie) const;
-
-  // Enumerates imports from a single PE delay import block.
-  // cookie is a generic cookie to pass to the callback.
-  // Returns true on success.
-  bool EnumOneDelayImportChunk(EnumImportsFunction callback,
-                               PImgDelayDescr delay_descriptor,
-                               LPCSTR module_name,
-                               PIMAGE_THUNK_DATA name_table,
-                               PIMAGE_THUNK_DATA iat,
-                               PIMAGE_THUNK_DATA bound_iat,
-                               PIMAGE_THUNK_DATA unload_iat,
-                               PVOID cookie) const;
-
-  // Enumerates PE relocation entries.
-  // cookie is a generic cookie to pass to the callback.
-  // Returns true on success.
-  bool EnumRelocs(EnumRelocsFunction callback, PVOID cookie) const;
-
-  // Verifies the magic values on the PE file.
-  // Returns true if all values are correct.
-  bool VerifyMagic() const;
-
-  // Converts an rva value to the appropriate address.
-  virtual PVOID RVAToAddr(DWORD rva) const;
-
-  // Converts an rva value to an offset on disk.
-  // Returns true on success.
-  bool ImageRVAToOnDiskOffset(DWORD rva, DWORD *on_disk_offset) const;
-
-  // Converts an address to an offset on disk.
-  // Returns true on success.
-  bool ImageAddrToOnDiskOffset(LPVOID address, DWORD *on_disk_offset) const;
-
- private:
-  HMODULE module_;
-};
-
-// This class is an extension to the PEImage class that allows working with PE
-// files mapped as data instead of as image file.
-class PEImageAsData : public PEImage {
- public:
-  explicit PEImageAsData(HMODULE hModule) : PEImage(hModule) {}
-
-  PVOID RVAToAddr(DWORD rva) const override;
-};
-
-inline bool PEImage::IsOrdinal(LPCSTR name) {
-  return reinterpret_cast<uintptr_t>(name) <= 0xFFFF;
-}
-
-inline WORD PEImage::ToOrdinal(LPCSTR name) {
-  return static_cast<WORD>(reinterpret_cast<intptr_t>(name));
-}
-
-inline HMODULE PEImage::module() const {
-  return module_;
-}
-
-inline PIMAGE_IMPORT_DESCRIPTOR PEImage::GetFirstImportChunk() const {
-  return reinterpret_cast<PIMAGE_IMPORT_DESCRIPTOR>(
-             GetImageDirectoryEntryAddr(IMAGE_DIRECTORY_ENTRY_IMPORT));
-}
-
-inline PIMAGE_EXPORT_DIRECTORY PEImage::GetExportDirectory() const {
-  return reinterpret_cast<PIMAGE_EXPORT_DIRECTORY>(
-             GetImageDirectoryEntryAddr(IMAGE_DIRECTORY_ENTRY_EXPORT));
-}
-
-}  // namespace win
-}  // namespace base
-
-#endif  // BASE_WIN_PE_IMAGE_H_