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96afb12087
This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#ifndef cmELF_h
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#define cmELF_h
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#if !defined(CMAKE_USE_ELF_PARSER)
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# error "This file may be included only if CMAKE_USE_ELF_PARSER is enabled."
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#endif
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class cmELFInternal;
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/** \class cmELF
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* \brief Executable and Link Format (ELF) parser.
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*/
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class cmELF
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{
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public:
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/** Construct with the name of the ELF input file to parse. */
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cmELF(const char* fname);
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/** Destruct. */
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~cmELF();
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/** Get the error message if any. */
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std::string const& GetErrorMessage() const
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{
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return this->ErrorMessage;
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}
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/** Boolean conversion. True if the ELF file is valid. */
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operator bool() const { return this->Valid(); }
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/** Enumeration of ELF file types. */
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enum FileType
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{
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FileTypeInvalid,
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FileTypeRelocatableObject,
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FileTypeExecutable,
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FileTypeSharedLibrary,
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FileTypeCore,
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FileTypeSpecificOS,
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FileTypeSpecificProc
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};
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/** Represent string table entries. */
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struct StringEntry
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{
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// The string value itself.
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std::string Value;
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// The position in the file at which the string appears.
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unsigned long Position;
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// The size of the string table entry. This includes the space
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// allocated for one or more null terminators.
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unsigned long Size;
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// The index of the section entry referencing the string.
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int IndexInSection;
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};
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/** Get the type of the file opened. */
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FileType GetFileType() const;
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/** Get the number of ELF sections present. */
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unsigned int GetNumberOfSections() const;
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/** Get the number of DYNAMIC section entries before the first
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DT_NULL. Returns zero on error. */
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unsigned int GetDynamicEntryCount() const;
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/** Get the position of a DYNAMIC section header entry. Returns
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zero on error. */
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unsigned long GetDynamicEntryPosition(int index) const;
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/** Read bytes from the file. */
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bool ReadBytes(unsigned long pos, unsigned long size, char* buf) const;
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/** Get the SONAME field if any. */
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bool GetSOName(std::string& soname);
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StringEntry const* GetSOName();
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/** Get the RPATH field if any. */
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StringEntry const* GetRPath();
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/** Get the RUNPATH field if any. */
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StringEntry const* GetRunPath();
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/** Print human-readable information about the ELF file. */
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void PrintInfo(std::ostream& os) const;
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private:
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friend class cmELFInternal;
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bool Valid() const;
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cmELFInternal* Internal;
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std::string ErrorMessage;
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};
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#endif
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