177 lines
4.7 KiB
C++
177 lines
4.7 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_COFF_CONFIG_H
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#define LLD_COFF_CONFIG_H
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Object/COFF.h"
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#include <cstdint>
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#include <map>
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#include <set>
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#include <string>
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namespace lld {
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namespace coff {
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using llvm::COFF::IMAGE_FILE_MACHINE_UNKNOWN;
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using llvm::COFF::WindowsSubsystem;
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using llvm::StringRef;
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class DefinedAbsolute;
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class DefinedRelative;
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class StringChunk;
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struct Symbol;
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class SymbolBody;
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// Short aliases.
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static const auto AMD64 = llvm::COFF::IMAGE_FILE_MACHINE_AMD64;
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static const auto ARMNT = llvm::COFF::IMAGE_FILE_MACHINE_ARMNT;
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static const auto I386 = llvm::COFF::IMAGE_FILE_MACHINE_I386;
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// Represents an /export option.
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struct Export {
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StringRef Name; // N in /export:N or /export:E=N
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StringRef ExtName; // E in /export:E=N
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SymbolBody *Sym = nullptr;
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uint16_t Ordinal = 0;
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bool Noname = false;
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bool Data = false;
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bool Private = false;
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bool Constant = false;
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// If an export is a form of /export:foo=dllname.bar, that means
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// that foo should be exported as an alias to bar in the DLL.
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// ForwardTo is set to "dllname.bar" part. Usually empty.
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StringRef ForwardTo;
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StringChunk *ForwardChunk = nullptr;
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// True if this /export option was in .drectves section.
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bool Directives = false;
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StringRef SymbolName;
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StringRef ExportName; // Name in DLL
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bool operator==(const Export &E) {
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return (Name == E.Name && ExtName == E.ExtName &&
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Ordinal == E.Ordinal && Noname == E.Noname &&
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Data == E.Data && Private == E.Private);
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}
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};
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enum class DebugType {
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None = 0x0,
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CV = 0x1, /// CodeView
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PData = 0x2, /// Procedure Data
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Fixup = 0x4, /// Relocation Table
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};
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// Global configuration.
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struct Configuration {
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enum ManifestKind { SideBySide, Embed, No };
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bool is64() { return Machine == AMD64; }
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llvm::COFF::MachineTypes Machine = IMAGE_FILE_MACHINE_UNKNOWN;
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bool Verbose = false;
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WindowsSubsystem Subsystem = llvm::COFF::IMAGE_SUBSYSTEM_UNKNOWN;
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SymbolBody *Entry = nullptr;
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bool NoEntry = false;
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std::string OutputFile;
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bool ColorDiagnostics;
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bool DoGC = true;
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bool DoICF = true;
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uint64_t ErrorLimit = 20;
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bool Relocatable = true;
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bool Force = false;
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bool Debug = false;
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bool WriteSymtab = true;
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unsigned DebugTypes = static_cast<unsigned>(DebugType::None);
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llvm::SmallString<128> PDBPath;
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// Symbols in this set are considered as live by the garbage collector.
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std::set<SymbolBody *> GCRoot;
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std::set<StringRef> NoDefaultLibs;
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bool NoDefaultLibAll = false;
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// True if we are creating a DLL.
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bool DLL = false;
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StringRef Implib;
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std::vector<Export> Exports;
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std::set<std::string> DelayLoads;
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std::map<std::string, int> DLLOrder;
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SymbolBody *DelayLoadHelper = nullptr;
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bool SaveTemps = false;
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// Used for SafeSEH.
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Symbol *SEHTable = nullptr;
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Symbol *SEHCount = nullptr;
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// Used for /opt:lldlto=N
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unsigned LTOOptLevel = 2;
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// Used for /opt:lldltojobs=N
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unsigned LTOJobs = 0;
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// Used for /opt:lldltopartitions=N
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unsigned LTOPartitions = 1;
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// Used for /merge:from=to (e.g. /merge:.rdata=.text)
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std::map<StringRef, StringRef> Merge;
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// Used for /section=.name,{DEKPRSW} to set section attributes.
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std::map<StringRef, uint32_t> Section;
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// Options for manifest files.
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ManifestKind Manifest = SideBySide;
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int ManifestID = 1;
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StringRef ManifestDependency;
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bool ManifestUAC = true;
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std::vector<std::string> ManifestInput;
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StringRef ManifestLevel = "'asInvoker'";
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StringRef ManifestUIAccess = "'false'";
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StringRef ManifestFile;
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// Used for /failifmismatch.
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std::map<StringRef, StringRef> MustMatch;
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// Used for /alternatename.
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std::map<StringRef, StringRef> AlternateNames;
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// Used for /lldmap.
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std::string MapFile;
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uint64_t ImageBase = -1;
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uint64_t StackReserve = 1024 * 1024;
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uint64_t StackCommit = 4096;
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uint64_t HeapReserve = 1024 * 1024;
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uint64_t HeapCommit = 4096;
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uint32_t MajorImageVersion = 0;
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uint32_t MinorImageVersion = 0;
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uint32_t MajorOSVersion = 6;
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uint32_t MinorOSVersion = 0;
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bool DynamicBase = true;
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bool AllowBind = true;
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bool NxCompat = true;
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bool AllowIsolation = true;
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bool TerminalServerAware = true;
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bool LargeAddressAware = false;
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bool HighEntropyVA = false;
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bool AppContainer = false;
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// This is for debugging.
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bool DebugPdb = false;
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bool DumpPdb = false;
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};
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extern Configuration *Config;
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} // namespace coff
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} // namespace lld
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#endif
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