343580097d
-warn-common Warn when a common symbol is combined with another common symbol or with a symbol definition. Unix linkers allow this somewhat sloppy practice, but linkers on some other operating systems do not. This option allows you to find potential problems from combining global symbols. Differential revision: http://reviews.llvm.org/D17998 llvm-svn: 263413
100 lines
2.3 KiB
C++
100 lines
2.3 KiB
C++
//===- Config.h -------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLD_ELF_CONFIG_H
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#define LLD_ELF_CONFIG_H
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#include "llvm/ADT/MapVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/ELF.h"
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#include <vector>
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namespace lld {
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namespace elf {
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class InputFile;
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class SymbolBody;
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enum ELFKind {
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ELFNoneKind,
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ELF32LEKind,
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ELF32BEKind,
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ELF64LEKind,
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ELF64BEKind
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};
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// This struct contains the global configuration for the linker.
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// Most fields are direct mapping from the command line options
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// and such fields have the same name as the corresponding options.
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// Most fields are initialized by the driver.
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struct Configuration {
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SymbolBody *EntrySym = nullptr;
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SymbolBody *MipsGpDisp = nullptr;
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SymbolBody *MipsLocalGp = nullptr;
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InputFile *FirstElf = nullptr;
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llvm::StringRef DynamicLinker;
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llvm::StringRef Entry;
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llvm::StringRef Emulation;
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llvm::StringRef Fini;
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llvm::StringRef Init;
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llvm::StringRef OutputFile;
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llvm::StringRef SoName;
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llvm::StringRef Sysroot;
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std::string RPath;
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std::vector<llvm::StringRef> SearchPaths;
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std::vector<llvm::StringRef> Undefined;
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bool AllowMultipleDefinition;
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bool AsNeeded = false;
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bool Bsymbolic;
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bool BsymbolicFunctions;
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bool BuildId;
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bool Demangle = true;
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bool DiscardAll;
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bool DiscardLocals;
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bool DiscardNone;
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bool EhFrameHdr;
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bool EnableNewDtags;
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bool ExportDynamic;
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bool GcSections;
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bool GnuHash = false;
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bool ICF;
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bool Mips64EL = false;
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bool NoUndefined;
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bool NoinhibitExec;
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bool PrintGcSections;
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bool Rela;
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bool Relocatable;
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bool SaveTemps;
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bool Shared;
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bool Static = false;
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bool StripAll;
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bool SysvHash = true;
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bool Threads;
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bool Verbose;
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bool WarnCommon;
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bool ZExecStack;
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bool ZNodelete;
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bool ZNow;
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bool ZOrigin;
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bool ZRelro;
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ELFKind EKind = ELFNoneKind;
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uint16_t EMachine = llvm::ELF::EM_NONE;
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uint64_t EntryAddr = -1;
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unsigned Optimize = 0;
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};
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// The only instance of Configuration struct.
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extern Configuration *Config;
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} // namespace elf
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} // namespace lld
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#endif
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