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//===- Config.h -------------------------------------------------*- C++ -*-===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLD_ELF_CONFIG_H
#define LLD_ELF_CONFIG_H
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/Support/ELF.h"
#include <vector>
namespace lld {
namespace elf {
class InputFile;
struct Symbol;
enum ELFKind {
ELFNoneKind,
ELF32LEKind,
ELF32BEKind,
ELF64LEKind,
ELF64BEKind
};
enum class BuildIdKind { None, Fnv1, Md5, Sha1, Hexstring };
enum class UnresolvedPolicy { NoUndef, Error, Warn, Ignore };
// This struct contains symbols version definition that
// can be found in version script if it is used for link.
struct Version {
Version(llvm::StringRef Name) : Name(Name) {}
llvm::StringRef Name;
std::vector<llvm::StringRef> Globals;
size_t NameOff; // Offset in string table.
};
// This struct contains the global configuration for the linker.
// Most fields are direct mapping from the command line options
// and such fields have the same name as the corresponding options.
// Most fields are initialized by the driver.
struct Configuration {
Symbol *EntrySym = nullptr;
InputFile *FirstElf = nullptr;
llvm::StringRef DynamicLinker;
llvm::StringRef Entry;
llvm::StringRef Emulation;
llvm::StringRef Fini;
llvm::StringRef Init;
llvm::StringRef LtoAAPipeline;
llvm::StringRef LtoNewPmPasses;
llvm::StringRef OutputFile;
llvm::StringRef SoName;
llvm::StringRef Sysroot;
llvm::StringSet<> TraceSymbol;
std::string RPath;
std::vector<Version> SymbolVersions;
std::vector<llvm::StringRef> DynamicList;
std::vector<llvm::StringRef> SearchPaths;
std::vector<llvm::StringRef> Undefined;
std::vector<llvm::StringRef> VersionScriptGlobals;
std::vector<uint8_t> BuildIdVector;
bool AllowMultipleDefinition;
bool AsNeeded = false;
bool Bsymbolic;
bool BsymbolicFunctions;
bool Demangle = true;
bool DisableVerify;
bool DiscardAll;
bool DiscardLocals;
bool DiscardNone;
bool EhFrameHdr;
bool EnableNewDtags;
bool ExportDynamic;
bool FatalWarnings;
bool GcSections;
bool GnuHash = false;
bool ICF;
bool Mips64EL = false;
bool NoGnuUnique;
bool NoUndefinedVersion;
bool Pic;
bool Pie;
bool PrintGcSections;
bool Rela;
bool Relocatable;
bool SaveTemps;
bool Shared;
bool Static = false;
bool StripAll;
bool StripDebug;
bool SysvHash = true;
bool Threads;
bool Trace;
bool Verbose;
bool VersionScriptGlobalByDefault = true;
bool WarnCommon;
bool ZCombreloc;
bool ZExecStack;
bool ZNodelete;
bool ZNow;
bool ZOrigin;
bool ZRelro;
UnresolvedPolicy UnresolvedSymbols;
BuildIdKind BuildId = BuildIdKind::None;
ELFKind EKind = ELFNoneKind;
uint16_t EMachine = llvm::ELF::EM_NONE;
uint64_t EntryAddr = -1;
unsigned LtoJobs;
unsigned LtoO;
unsigned Optimize;
};
// The only instance of Configuration struct.
extern Configuration *Config;
} // namespace elf
} // namespace lld
#endif
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