mirror of
https://github.com/reactos/CMake.git
synced 2025-04-12 03:56:49 +00:00
ae5e97a005
They are unused, but if someone used them they would lead to problems since they would copy the internal raw pointers and the destructor would cause double delete
116 lines
3.1 KiB
C++
116 lines
3.1 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing for details. */
|
|
#ifndef cmELF_h
|
|
#define cmELF_h
|
|
|
|
#include "cmConfigure.h" // IWYU pragma: keep
|
|
|
|
#include <iosfwd>
|
|
#include <string>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
#if !defined(CMAKE_USE_ELF_PARSER)
|
|
# error "This file may be included only if CMAKE_USE_ELF_PARSER is enabled."
|
|
#endif
|
|
|
|
class cmELFInternal;
|
|
|
|
/** \class cmELF
|
|
* \brief Executable and Link Format (ELF) parser.
|
|
*/
|
|
class cmELF
|
|
{
|
|
public:
|
|
/** Construct with the name of the ELF input file to parse. */
|
|
cmELF(const char* fname);
|
|
|
|
/** Destruct. */
|
|
~cmELF();
|
|
|
|
cmELF(const cmELF&) = delete;
|
|
cmELF& operator=(const cmELF&) = delete;
|
|
|
|
/** Get the error message if any. */
|
|
std::string const& GetErrorMessage() const { return this->ErrorMessage; }
|
|
|
|
/** Boolean conversion. True if the ELF file is valid. */
|
|
explicit operator bool() const { return this->Valid(); }
|
|
|
|
/** Enumeration of ELF file types. */
|
|
enum FileType
|
|
{
|
|
FileTypeInvalid,
|
|
FileTypeRelocatableObject,
|
|
FileTypeExecutable,
|
|
FileTypeSharedLibrary,
|
|
FileTypeCore,
|
|
FileTypeSpecificOS,
|
|
FileTypeSpecificProc
|
|
};
|
|
|
|
/** Represent string table entries. */
|
|
struct StringEntry
|
|
{
|
|
// The string value itself.
|
|
std::string Value;
|
|
|
|
// The position in the file at which the string appears.
|
|
unsigned long Position;
|
|
|
|
// The size of the string table entry. This includes the space
|
|
// allocated for one or more null terminators.
|
|
unsigned long Size;
|
|
|
|
// The index of the section entry referencing the string.
|
|
int IndexInSection;
|
|
};
|
|
|
|
/** Represent entire dynamic section header */
|
|
typedef std::vector<std::pair<long, unsigned long>> DynamicEntryList;
|
|
|
|
/** Get the type of the file opened. */
|
|
FileType GetFileType() const;
|
|
|
|
/** Get the number of ELF sections present. */
|
|
unsigned int GetNumberOfSections() const;
|
|
|
|
/** Get the position of a DYNAMIC section header entry. Returns
|
|
zero on error. */
|
|
unsigned long GetDynamicEntryPosition(int index) const;
|
|
|
|
/** Get a copy of all the DYNAMIC section header entries.
|
|
Returns an empty vector on error */
|
|
DynamicEntryList GetDynamicEntries() const;
|
|
|
|
/** Encodes a DYNAMIC section header entry list into a char vector according
|
|
to the type of ELF file this is */
|
|
std::vector<char> EncodeDynamicEntries(
|
|
const DynamicEntryList& entries) const;
|
|
|
|
/** Get the SONAME field if any. */
|
|
bool GetSOName(std::string& soname);
|
|
StringEntry const* GetSOName();
|
|
|
|
/** Get the RPATH field if any. */
|
|
StringEntry const* GetRPath();
|
|
|
|
/** Get the RUNPATH field if any. */
|
|
StringEntry const* GetRunPath();
|
|
|
|
/** Print human-readable information about the ELF file. */
|
|
void PrintInfo(std::ostream& os) const;
|
|
|
|
/** Interesting dynamic tags.
|
|
If the tag is 0, it does not exist in the host ELF implementation */
|
|
static const long TagRPath, TagRunPath, TagMipsRldMapRel;
|
|
|
|
private:
|
|
friend class cmELFInternal;
|
|
bool Valid() const;
|
|
cmELFInternal* Internal;
|
|
std::string ErrorMessage;
|
|
};
|
|
|
|
#endif
|