mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-22 07:32:48 +00:00
f04ff4e9ac
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17899 91177308-0d34-0410-b5e6-96231b3b80d8
97 lines
4.1 KiB
C++
97 lines
4.1 KiB
C++
//===- llvm/Linker.h - Module Linker Interface ------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by Reid Spencer and is distributed under the
|
|
// University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines the interface to the module/file/archive linker.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_LINKER_H
|
|
#define LLVM_LINKER_H
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
#include <set>
|
|
|
|
namespace llvm {
|
|
|
|
class Module;
|
|
|
|
/// This is the heart of the linker. The \p Src module is linked into the \p
|
|
/// Dest module. If an error occurs, true is returned, otherwise false. If \p
|
|
/// ErrorMsg is not null and an error occurs, \p *ErrorMsg will be set to a
|
|
/// readable string that indicates the nature of the error. Note that this can
|
|
/// destroy the Src module in arbitrary ways.
|
|
///
|
|
/// @returns true if there's an error
|
|
/// @brief Link two modules together
|
|
bool LinkModules(
|
|
Module* Dest, ///< Module into which \p Src is linked
|
|
Module* Src, ///< Module linked into \p Dest
|
|
std::string* ErrorMsg ///< Optional error message string
|
|
);
|
|
|
|
/// This function links the bytecode \p Files into the \p HeadModule. Note that
|
|
/// this does not do any linking of unresolved symbols. The \p Files are all
|
|
/// completely linked into \p HeadModule regardless of unresolved symbols. This
|
|
/// function just loads each bytecode file and calls LinkModules on them.
|
|
/// @returns true if an error occurs, false otherwise
|
|
bool LinkFiles (
|
|
const char * progname, ///< Name of the program being linked (for output)
|
|
Module * HeadModule, ///< Main (resulting) module to be linked into
|
|
const std::vector<std::string> & Files, ///< Files to link in
|
|
bool Verbose ///< Link verbosely, indicating each action
|
|
);
|
|
|
|
/// This function links one archive, \p Filename, that contains bytecode into
|
|
/// \p HeadModule. If an error occurs, true is returned, otherwise false. If
|
|
/// \p ErrorMsg is not null and an error occurs, \p *ErrorMsg will be set to a
|
|
/// readable string that indicates the nature of the error.
|
|
/// @returns true if there's an error
|
|
/// @brief Link in one archive.
|
|
bool LinkInArchive(
|
|
Module* HeadModule, ///< Main (resulting) module to be linked into
|
|
const std::string& Filename, ///< Filename of the archive to link
|
|
std::string* ErrorMsg, ///< Error message if an error occurs.
|
|
bool Verbose ///< Link verbosely, indicating each action
|
|
);
|
|
|
|
/// This function provides the ability to handle the -L and -l options on a
|
|
/// linker's command line. It will link into \p HeadModule any modules found in
|
|
/// the \p Libraries (which might be found in the \p LibPaths).
|
|
/// @brief Link libraries into a module
|
|
void LinkLibraries (
|
|
const char * progname, ///< Name of the program being linked (for output)
|
|
Module* HeadModule, ///< Main (resulting) module to be linked into
|
|
const std::vector<std::string> & Libraries, ///< Set of libraries to link in
|
|
const std::vector<std::string> & LibPaths, ///< Set of library paths
|
|
bool Verbose, ///< Link verbosely, indicating each action
|
|
bool Native ///< Linking is for a native executable
|
|
);
|
|
|
|
/// This function looks at Module \p M and returns a set of strings,
|
|
/// \p DefinedSymbols, that is the publicly visible defined symbols in
|
|
/// module \p M.
|
|
void GetAllDefinedSymbols (Module *M, std::set<std::string> &DefinedSymbols);
|
|
|
|
/// This function looks at Module \p M and returns a set of strings,
|
|
/// \p UnefinedSymbols, that is the publicly visible undefined symbols in
|
|
/// module \p M.
|
|
void GetAllUndefinedSymbols(Module *M, std::set<std::string> &UndefinedSymbols);
|
|
|
|
/// This function looks through a set of \p Paths to find a library with the
|
|
/// name \p Filename. If \p SharedObjectOnly is true, it only finds a match
|
|
/// if the file is a shared library.
|
|
std::string FindLib(const std::string &Filename,
|
|
const std::vector<std::string> &Paths,
|
|
bool SharedObjectOnly = false);
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|