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Diffstat (limited to 'COFF/Config.h')
-rw-r--r-- | COFF/Config.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/COFF/Config.h b/COFF/Config.h new file mode 100644 index 0000000000000..409ede6486364 --- /dev/null +++ b/COFF/Config.h @@ -0,0 +1,140 @@ +//===- 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_COFF_CONFIG_H +#define LLD_COFF_CONFIG_H + +#include "llvm/ADT/StringRef.h" +#include "llvm/Object/COFF.h" +#include <cstdint> +#include <map> +#include <set> +#include <string> + +namespace lld { +namespace coff { + +using llvm::COFF::IMAGE_FILE_MACHINE_UNKNOWN; +using llvm::COFF::WindowsSubsystem; +using llvm::StringRef; +class DefinedAbsolute; +class DefinedRelative; +class Undefined; + +// Short aliases. +static const auto AMD64 = llvm::COFF::IMAGE_FILE_MACHINE_AMD64; +static const auto ARMNT = llvm::COFF::IMAGE_FILE_MACHINE_ARMNT; +static const auto I386 = llvm::COFF::IMAGE_FILE_MACHINE_I386; + +// Represents an /export option. +struct Export { + StringRef Name; // N in /export:N or /export:E=N + StringRef ExtName; // E in /export:E=N + Undefined *Sym = nullptr; + uint16_t Ordinal = 0; + bool Noname = false; + bool Data = false; + bool Private = false; + + // True if this /export option was in .drectves section. + bool Directives = false; + StringRef SymbolName; + StringRef ExportName; // Name in DLL + + bool operator==(const Export &E) { + return (Name == E.Name && ExtName == E.ExtName && + Ordinal == E.Ordinal && Noname == E.Noname && + Data == E.Data && Private == E.Private); + } +}; + +// Global configuration. +struct Configuration { + enum ManifestKind { SideBySide, Embed, No }; + bool is64() { return Machine == AMD64; } + + llvm::COFF::MachineTypes Machine = IMAGE_FILE_MACHINE_UNKNOWN; + bool Verbose = false; + WindowsSubsystem Subsystem = llvm::COFF::IMAGE_SUBSYSTEM_UNKNOWN; + Undefined *Entry = nullptr; + bool NoEntry = false; + std::string OutputFile; + bool DoGC = true; + bool DoICF = true; + bool Relocatable = true; + bool Force = false; + bool Debug = false; + bool WriteSymtab = true; + + // Symbols in this set are considered as live by the garbage collector. + std::set<Undefined *> GCRoot; + + std::set<StringRef> NoDefaultLibs; + bool NoDefaultLibAll = false; + + // True if we are creating a DLL. + bool DLL = false; + StringRef Implib; + std::vector<Export> Exports; + std::set<std::string> DelayLoads; + std::map<std::string, int> DLLOrder; + Undefined *DelayLoadHelper = nullptr; + + // Used for SafeSEH. + DefinedRelative *SEHTable = nullptr; + DefinedAbsolute *SEHCount = nullptr; + + // Used for /opt:lldlto=N + unsigned LTOOptLevel = 2; + + // Used for /opt:lldltojobs=N + unsigned LTOJobs = 1; + + // Used for /merge:from=to (e.g. /merge:.rdata=.text) + std::map<StringRef, StringRef> Merge; + + // Options for manifest files. + ManifestKind Manifest = SideBySide; + int ManifestID = 1; + StringRef ManifestDependency; + bool ManifestUAC = true; + StringRef ManifestLevel = "'asInvoker'"; + StringRef ManifestUIAccess = "'false'"; + StringRef ManifestFile; + + // Used for /failifmismatch. + std::map<StringRef, StringRef> MustMatch; + + // Used for /alternatename. + std::map<StringRef, StringRef> AlternateNames; + + uint64_t ImageBase = -1; + uint64_t StackReserve = 1024 * 1024; + uint64_t StackCommit = 4096; + uint64_t HeapReserve = 1024 * 1024; + uint64_t HeapCommit = 4096; + uint32_t MajorImageVersion = 0; + uint32_t MinorImageVersion = 0; + uint32_t MajorOSVersion = 6; + uint32_t MinorOSVersion = 0; + bool DynamicBase = true; + bool AllowBind = true; + bool NxCompat = true; + bool AllowIsolation = true; + bool TerminalServerAware = true; + bool LargeAddressAware = false; + bool HighEntropyVA = false; +}; + +extern Configuration *Config; + +} // namespace coff +} // namespace lld + +#endif |