#define LLVM_LINKER_H
#include <memory>
+#include <string>
#include <vector>
-#include "llvm/ADT/StringRef.h"
namespace llvm {
namespace sys { class Path; }
class Module;
class LLVMContext;
+class StringRef;
/// This class provides the core functionality of linking in LLVM. It retains a
/// Module object which is the composite of the modules and libraries linked
QuietWarnings = 2, ///< Don't print warnings to stderr.
QuietErrors = 4 ///< Don't print errors to stderr.
};
-
+
+ enum LinkerMode {
+ DestroySource = 0, // Allow source module to be destroyed.
+ PreserveSource = 1 // Preserve the source module.
+ };
+
/// @}
/// @name Constructors
/// @{
/// Construct the Linker with an empty module which will be given the
/// name \p progname. \p progname will also be used for error messages.
/// @brief Construct with empty module
- Linker(const StringRef &progname, ///< name of tool running linker
- const StringRef &modulename, ///< name of linker's end-result module
+ Linker(StringRef progname, ///< name of tool running linker
+ StringRef modulename, ///< name of linker's end-result module
LLVMContext &C, ///< Context for global info
unsigned Flags = 0 ///< ControlFlags (one or more |'d together)
);
/// Construct the Linker with a previously defined module, \p aModule. Use
/// \p progname for the name of the program in error messages.
/// @brief Construct with existing module
- Linker(const StringRef& progname, Module* aModule, unsigned Flags = 0);
+ Linker(StringRef progname, Module* aModule, unsigned Flags = 0);
/// Destruct the Linker.
/// @brief Destructor
/// @returns true if an error occurred, false otherwise
/// @see LinkItemKind
/// @see getLastError
- /// @throws nothing
bool LinkInItems (
const ItemList& Items, ///< Set of libraries/files to link in
ItemList& NativeItems ///< Output list of native files/libs
/// @returns true if an error occurs, false otherwise
/// @brief Link one library into the module
bool LinkInLibrary (
- const StringRef &Library, ///< The library to link in
- bool& is_native ///< Indicates if lib a native library
+ StringRef Library, ///< The library to link in
+ bool& is_native ///< Indicates if lib a native library
);
/// This function links one bitcode archive, \p Filename, into the module.
/// the archive that resolve outstanding symbols will be linked in. The
/// library is searched repeatedly until no more modules that resolve
/// symbols can be found. If an error occurs, the error string is set.
- /// To speed up this function, ensure the the archive has been processed
+ /// To speed up this function, ensure the archive has been processed
/// llvm-ranlib or the S option was given to llvm-ar when the archive was
/// created. These tools add a symbol table to the archive which makes the
/// search for undefined symbols much faster.
Module* Src, ///< Module linked into \p Dest
std::string* ErrorMsg = 0 /// Error/diagnostic string
) {
- return LinkModules(Composite, Src, ErrorMsg );
+ return LinkModules(Composite, Src, Linker::DestroySource, ErrorMsg );
}
/// This is the heart of the linker. This method will take unconditional
/// error.
/// @returns True if an error occurs, false otherwise.
/// @brief Generically link two modules together.
- static bool LinkModules(Module* Dest, Module* Src, std::string* ErrorMsg);
+ static bool LinkModules(Module* Dest, Module* Src, unsigned Mode,
+ std::string* ErrorMsg);
/// This function looks through the Linker's LibPaths to find a library with
/// the name \p Filename. If the library cannot be found, the returned path
/// will be empty (i.e. sys::Path::isEmpty() will return true).
/// @returns A sys::Path to the found library
/// @brief Find a library from its short name.
- sys::Path FindLib(const StringRef &Filename);
+ sys::Path FindLib(StringRef Filename);
/// @}
/// @name Implementation
/// Module it contains (wrapped in an auto_ptr), or 0 if an error occurs.
std::auto_ptr<Module> LoadObject(const sys::Path& FN);
- bool warning(const StringRef &message);
- bool error(const StringRef &message);
- void verbose(const StringRef &message);
+ bool warning(StringRef message);
+ bool error(StringRef message);
+ void verbose(StringRef message);
/// @}
/// @name Data