forked from OSchip/llvm-project
292 lines
8.1 KiB
C++
292 lines
8.1 KiB
C++
//===- Config.h -------------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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/MapVector.h"
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#include "llvm/ADT/SetVector.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Object/COFF.h"
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#include "llvm/Support/CachePruning.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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class Symbol;
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class InputFile;
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class SectionChunk;
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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 ARM64 = llvm::COFF::IMAGE_FILE_MACHINE_ARM64;
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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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StringRef aliasTarget; // GNU specific: N in "alias == N"
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Symbol *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 isPrivate = 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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aliasTarget == e.aliasTarget &&
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ordinal == e.ordinal && noname == e.noname &&
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data == e.data && isPrivate == e.isPrivate);
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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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enum GuardCFLevel {
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Off = 0x0,
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CF = 0x1, /// Emit gfids tables
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LongJmp = 0x2, /// Emit longjmp tables
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EHCont = 0x4, /// Emit ehcont tables
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All = 0x7 /// Enable all protections
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};
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enum class ICFLevel {
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None,
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Safe, // Safe ICF for all sections.
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All, // Aggressive ICF for code, but safe ICF for data, similar to MSVC's
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// behavior.
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};
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// Global configuration.
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struct Configuration {
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enum ManifestKind { Default, SideBySide, Embed, No };
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bool is64() { return machine == AMD64 || machine == ARM64; }
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llvm::COFF::MachineTypes machine = IMAGE_FILE_MACHINE_UNKNOWN;
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size_t wordsize;
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bool verbose = false;
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WindowsSubsystem subsystem = llvm::COFF::IMAGE_SUBSYSTEM_UNKNOWN;
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Symbol *entry = nullptr;
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bool noEntry = false;
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std::string outputFile;
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std::string importName;
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bool demangle = true;
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bool doGC = true;
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ICFLevel doICF = ICFLevel::None;
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bool tailMerge;
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bool relocatable = true;
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bool forceMultiple = false;
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bool forceMultipleRes = false;
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bool forceUnresolved = false;
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bool debug = false;
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bool debugDwarf = false;
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bool debugGHashes = false;
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bool debugSymtab = false;
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bool driver = false;
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bool driverUponly = false;
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bool driverWdm = false;
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bool showTiming = false;
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bool showSummary = false;
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unsigned debugTypes = static_cast<unsigned>(DebugType::None);
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std::vector<std::string> natvisFiles;
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llvm::StringMap<std::string> namedStreams;
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llvm::SmallString<128> pdbAltPath;
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int pdbPageSize = 4096;
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llvm::SmallString<128> pdbPath;
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llvm::SmallString<128> pdbSourcePath;
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std::vector<llvm::StringRef> argv;
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// Symbols in this set are considered as live by the garbage collector.
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std::vector<Symbol *> gcroot;
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std::set<std::string> 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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bool noimplib = false;
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std::vector<Export> exports;
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bool hadExplicitExports;
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std::set<std::string> delayLoads;
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std::map<std::string, int> dllOrder;
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Symbol *delayLoadHelper = nullptr;
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bool saveTemps = false;
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// /guard:cf
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int guardCF = GuardCFLevel::Off;
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// Used for SafeSEH.
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bool safeSEH = false;
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Symbol *sehTable = nullptr;
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Symbol *sehCount = nullptr;
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bool noSEH = false;
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// Used for /opt:lldlto=N
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unsigned ltoo = 2;
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// Used for /opt:lldltojobs=N
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std::string thinLTOJobs;
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// Used for /opt:lldltopartitions=N
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unsigned ltoPartitions = 1;
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// Used for /opt:lldltocache=path
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StringRef ltoCache;
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// Used for /opt:lldltocachepolicy=policy
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llvm::CachePruningPolicy ltoCachePolicy;
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// Used for /opt:[no]ltodebugpassmanager
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bool ltoDebugPassManager = false;
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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 = Default;
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int manifestID = 1;
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llvm::SetVector<StringRef> manifestDependencies;
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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 /aligncomm.
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std::map<std::string, int> alignComm;
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// Used for /failifmismatch.
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std::map<StringRef, std::pair<StringRef, InputFile *>> mustMatch;
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// Used for /alternatename.
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std::map<StringRef, StringRef> alternateNames;
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// Used for /order.
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llvm::StringMap<int> order;
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// Used for /lldmap.
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std::string lldmapFile;
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// Used for /map.
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std::string mapFile;
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// Used for /thinlto-index-only:
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llvm::StringRef thinLTOIndexOnlyArg;
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// Used for /thinlto-object-prefix-replace:
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std::pair<llvm::StringRef, llvm::StringRef> thinLTOPrefixReplace;
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// Used for /thinlto-object-suffix-replace:
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std::pair<llvm::StringRef, llvm::StringRef> thinLTOObjectSuffixReplace;
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// Used for /lto-obj-path:
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llvm::StringRef ltoObjPath;
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// Used for /lto-cs-profile-generate:
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bool ltoCSProfileGenerate = false;
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// Used for /lto-cs-profile-path
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llvm::StringRef ltoCSProfileFile;
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// Used for /lto-pgo-warn-mismatch:
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bool ltoPGOWarnMismatch = true;
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// Used for /call-graph-ordering-file:
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llvm::MapVector<std::pair<const SectionChunk *, const SectionChunk *>,
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uint64_t>
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callGraphProfile;
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bool callGraphProfileSort = false;
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// Used for /print-symbol-order:
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StringRef printSymbolOrder;
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uint64_t align = 4096;
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uint64_t imageBase = -1;
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uint64_t fileAlign = 512;
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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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// If changing the default os/subsys version here, update the default in
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// the MinGW driver accordingly.
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uint32_t majorOSVersion = 6;
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uint32_t minorOSVersion = 0;
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uint32_t majorSubsystemVersion = 6;
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uint32_t minorSubsystemVersion = 0;
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uint32_t timestamp = 0;
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uint32_t functionPadMin = 0;
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bool dynamicBase = true;
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bool allowBind = true;
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bool cetCompat = false;
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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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bool mingw = false;
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bool warnMissingOrderSymbol = true;
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bool warnLocallyDefinedImported = true;
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bool warnDebugInfoUnusable = true;
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bool warnLongSectionNames = true;
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bool warnStdcallFixup = true;
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bool incremental = true;
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bool integrityCheck = false;
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bool killAt = false;
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bool repro = false;
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bool swaprunCD = false;
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bool swaprunNet = false;
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bool thinLTOEmitImportsFiles;
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bool thinLTOIndexOnly;
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bool autoImport = false;
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bool pseudoRelocs = false;
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bool stdcallFixup = false;
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};
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extern std::unique_ptr<Configuration> config;
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} // namespace coff
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} // namespace lld
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#endif
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