1 //===-- llvm/MC/MCObjectFileInfo.h - Object File Info -----------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file describes common object file formats. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_MC_MCOBJECTFILEINFO_H 14 #define LLVM_MC_MCOBJECTFILEINFO_H 15 16 #include "llvm/BinaryFormat/Swift.h" 17 #include "llvm/MC/MCSection.h" 18 #include "llvm/Support/VersionTuple.h" 19 #include "llvm/TargetParser/Triple.h" 20 21 #include <array> 22 #include <optional> 23 24 namespace llvm { 25 class MCContext; 26 class MCSection; 27 28 class MCObjectFileInfo { 29 protected: 30 /// True if target object file supports a weak_definition of constant 0 for an 31 /// omitted EH frame. 32 bool SupportsWeakOmittedEHFrame = false; 33 34 /// True if the target object file supports emitting a compact unwind section 35 /// without an associated EH frame section. 36 bool SupportsCompactUnwindWithoutEHFrame = false; 37 38 /// OmitDwarfIfHaveCompactUnwind - True if the target object file 39 /// supports having some functions with compact unwind and other with 40 /// dwarf unwind. 41 bool OmitDwarfIfHaveCompactUnwind = false; 42 43 /// FDE CFI encoding. Controls the encoding of the begin label in the 44 /// .eh_frame section. Unlike the LSDA encoding, personality encoding, and 45 /// type encodings, this is something that the assembler just "knows" about 46 /// its target 47 unsigned FDECFIEncoding = 0; 48 49 /// Compact unwind encoding indicating that we should emit only an EH frame. 50 unsigned CompactUnwindDwarfEHFrameOnly = 0; 51 52 /// Section directive for standard text. 53 MCSection *TextSection = nullptr; 54 55 /// Section directive for standard data. 56 MCSection *DataSection = nullptr; 57 58 /// Section that is default initialized to zero. 59 MCSection *BSSSection = nullptr; 60 61 /// Section that is readonly and can contain arbitrary initialized data. 62 /// Targets are not required to have a readonly section. If they don't, 63 /// various bits of code will fall back to using the data section for 64 /// constants. 65 MCSection *ReadOnlySection = nullptr; 66 67 /// If exception handling is supported by the target, this is the section the 68 /// Language Specific Data Area information is emitted to. 69 MCSection *LSDASection = nullptr; 70 71 /// If exception handling is supported by the target and the target can 72 /// support a compact representation of the CIE and FDE, this is the section 73 /// to emit them into. 74 MCSection *CompactUnwindSection = nullptr; 75 76 // Dwarf sections for debug info. If a target supports debug info, these must 77 // be set. 78 MCSection *DwarfAbbrevSection = nullptr; 79 MCSection *DwarfInfoSection = nullptr; 80 MCSection *DwarfLineSection = nullptr; 81 MCSection *DwarfLineStrSection = nullptr; 82 MCSection *DwarfFrameSection = nullptr; 83 MCSection *DwarfPubTypesSection = nullptr; 84 const MCSection *DwarfDebugInlineSection = nullptr; 85 MCSection *DwarfStrSection = nullptr; 86 MCSection *DwarfLocSection = nullptr; 87 MCSection *DwarfARangesSection = nullptr; 88 MCSection *DwarfRangesSection = nullptr; 89 MCSection *DwarfMacinfoSection = nullptr; 90 MCSection *DwarfMacroSection = nullptr; 91 // The pubnames section is no longer generated by default. The generation 92 // can be enabled by a compiler flag. 93 MCSection *DwarfPubNamesSection = nullptr; 94 95 /// Accelerator table sections. DwarfDebugNamesSection is the DWARF v5 96 /// accelerator table, while DwarfAccelNamesSection, DwarfAccelObjCSection, 97 /// DwarfAccelNamespaceSection, DwarfAccelTypesSection are pre-DWARF v5 98 /// extensions. 99 MCSection *DwarfDebugNamesSection = nullptr; 100 MCSection *DwarfAccelNamesSection = nullptr; 101 MCSection *DwarfAccelObjCSection = nullptr; 102 MCSection *DwarfAccelNamespaceSection = nullptr; 103 MCSection *DwarfAccelTypesSection = nullptr; 104 105 // These are used for the Fission separate debug information files. 106 MCSection *DwarfInfoDWOSection = nullptr; 107 MCSection *DwarfTypesDWOSection = nullptr; 108 MCSection *DwarfAbbrevDWOSection = nullptr; 109 MCSection *DwarfStrDWOSection = nullptr; 110 MCSection *DwarfLineDWOSection = nullptr; 111 MCSection *DwarfLocDWOSection = nullptr; 112 MCSection *DwarfStrOffDWOSection = nullptr; 113 MCSection *DwarfMacinfoDWOSection = nullptr; 114 MCSection *DwarfMacroDWOSection = nullptr; 115 116 /// The DWARF v5 string offset and address table sections. 117 MCSection *DwarfStrOffSection = nullptr; 118 MCSection *DwarfAddrSection = nullptr; 119 /// The DWARF v5 range list section. 120 MCSection *DwarfRnglistsSection = nullptr; 121 /// The DWARF v5 locations list section. 122 MCSection *DwarfLoclistsSection = nullptr; 123 124 /// The DWARF v5 range and location list sections for fission. 125 MCSection *DwarfRnglistsDWOSection = nullptr; 126 MCSection *DwarfLoclistsDWOSection = nullptr; 127 128 // These are for Fission DWP files. 129 MCSection *DwarfCUIndexSection = nullptr; 130 MCSection *DwarfTUIndexSection = nullptr; 131 132 /// Section for newer gnu pubnames. 133 MCSection *DwarfGnuPubNamesSection = nullptr; 134 /// Section for newer gnu pubtypes. 135 MCSection *DwarfGnuPubTypesSection = nullptr; 136 137 // Section for Swift AST 138 MCSection *DwarfSwiftASTSection = nullptr; 139 140 MCSection *COFFDebugSymbolsSection = nullptr; 141 MCSection *COFFDebugTypesSection = nullptr; 142 MCSection *COFFGlobalTypeHashesSection = nullptr; 143 144 /// Extra TLS Variable Data section. 145 /// 146 /// If the target needs to put additional information for a TLS variable, 147 /// it'll go here. 148 MCSection *TLSExtraDataSection = nullptr; 149 150 /// Section directive for Thread Local data. ELF, MachO, COFF, and Wasm. 151 MCSection *TLSDataSection = nullptr; // Defaults to ".tdata". 152 153 /// Section directive for Thread Local uninitialized data. 154 /// 155 /// Null if this target doesn't support a BSS section. ELF and MachO only. 156 MCSection *TLSBSSSection = nullptr; // Defaults to ".tbss". 157 158 /// StackMap section. 159 MCSection *StackMapSection = nullptr; 160 161 /// FaultMap section. 162 MCSection *FaultMapSection = nullptr; 163 164 /// Remarks section. 165 MCSection *RemarksSection = nullptr; 166 167 /// EH frame section. 168 /// 169 /// It is initialized on demand so it can be overwritten (with uniquing). 170 MCSection *EHFrameSection = nullptr; 171 172 /// Section containing metadata on function stack sizes. 173 MCSection *StackSizesSection = nullptr; 174 175 /// Section for pseudo probe information used by AutoFDO 176 MCSection *PseudoProbeSection = nullptr; 177 MCSection *PseudoProbeDescSection = nullptr; 178 179 // Section for metadata of llvm statistics. 180 MCSection *LLVMStatsSection = nullptr; 181 182 // ELF specific sections. 183 MCSection *DataRelROSection = nullptr; 184 MCSection *MergeableConst4Section = nullptr; 185 MCSection *MergeableConst8Section = nullptr; 186 MCSection *MergeableConst16Section = nullptr; 187 MCSection *MergeableConst32Section = nullptr; 188 189 // MachO specific sections. 190 191 /// Section for thread local structure information. 192 /// 193 /// Contains the source code name of the variable, visibility and a pointer to 194 /// the initial value (.tdata or .tbss). 195 MCSection *TLSTLVSection = nullptr; // Defaults to ".tlv". 196 197 /// Section for thread local data initialization functions. 198 // Defaults to ".thread_init_func". 199 const MCSection *TLSThreadInitSection = nullptr; 200 201 MCSection *CStringSection = nullptr; 202 MCSection *UStringSection = nullptr; 203 MCSection *TextCoalSection = nullptr; 204 MCSection *ConstTextCoalSection = nullptr; 205 MCSection *ConstDataSection = nullptr; 206 MCSection *DataCoalSection = nullptr; 207 MCSection *ConstDataCoalSection = nullptr; 208 MCSection *DataCommonSection = nullptr; 209 MCSection *DataBSSSection = nullptr; 210 MCSection *FourByteConstantSection = nullptr; 211 MCSection *EightByteConstantSection = nullptr; 212 MCSection *SixteenByteConstantSection = nullptr; 213 MCSection *LazySymbolPointerSection = nullptr; 214 MCSection *NonLazySymbolPointerSection = nullptr; 215 MCSection *ThreadLocalPointerSection = nullptr; 216 MCSection *AddrSigSection = nullptr; 217 218 /// COFF specific sections. 219 MCSection *DrectveSection = nullptr; 220 MCSection *PDataSection = nullptr; 221 MCSection *XDataSection = nullptr; 222 MCSection *SXDataSection = nullptr; 223 MCSection *GEHContSection = nullptr; 224 MCSection *GFIDsSection = nullptr; 225 MCSection *GIATsSection = nullptr; 226 MCSection *GLJMPSection = nullptr; 227 228 // GOFF specific sections. 229 MCSection *PPA1Section = nullptr; 230 MCSection *PPA2Section = nullptr; 231 MCSection *ADASection = nullptr; 232 MCSection *IDRLSection = nullptr; 233 234 // XCOFF specific sections 235 MCSection *TOCBaseSection = nullptr; 236 MCSection *ReadOnly8Section = nullptr; 237 MCSection *ReadOnly16Section = nullptr; 238 239 // Swift5 Reflection Data Sections 240 std::array<MCSection *, binaryformat::Swift5ReflectionSectionKind::last> 241 Swift5ReflectionSections = {}; 242 243 public: 244 void initMCObjectFileInfo(MCContext &MCCtx, bool PIC, 245 bool LargeCodeModel = false); 246 virtual ~MCObjectFileInfo(); getContext()247 MCContext &getContext() const { return *Ctx; } 248 getSupportsWeakOmittedEHFrame()249 bool getSupportsWeakOmittedEHFrame() const { 250 return SupportsWeakOmittedEHFrame; 251 } getSupportsCompactUnwindWithoutEHFrame()252 bool getSupportsCompactUnwindWithoutEHFrame() const { 253 return SupportsCompactUnwindWithoutEHFrame; 254 } getOmitDwarfIfHaveCompactUnwind()255 bool getOmitDwarfIfHaveCompactUnwind() const { 256 return OmitDwarfIfHaveCompactUnwind; 257 } 258 getFDEEncoding()259 unsigned getFDEEncoding() const { return FDECFIEncoding; } 260 getCompactUnwindDwarfEHFrameOnly()261 unsigned getCompactUnwindDwarfEHFrameOnly() const { 262 return CompactUnwindDwarfEHFrameOnly; 263 } 264 getTextSectionAlignment()265 virtual unsigned getTextSectionAlignment() const { return 4; } getTextSection()266 MCSection *getTextSection() const { return TextSection; } getDataSection()267 MCSection *getDataSection() const { return DataSection; } getBSSSection()268 MCSection *getBSSSection() const { return BSSSection; } getReadOnlySection()269 MCSection *getReadOnlySection() const { return ReadOnlySection; } getLSDASection()270 MCSection *getLSDASection() const { return LSDASection; } getCompactUnwindSection()271 MCSection *getCompactUnwindSection() const { return CompactUnwindSection; } getDwarfAbbrevSection()272 MCSection *getDwarfAbbrevSection() const { return DwarfAbbrevSection; } getDwarfInfoSection()273 MCSection *getDwarfInfoSection() const { return DwarfInfoSection; } getDwarfInfoSection(uint64_t Hash)274 MCSection *getDwarfInfoSection(uint64_t Hash) const { 275 return getDwarfComdatSection(".debug_info", Hash); 276 } getDwarfLineSection()277 MCSection *getDwarfLineSection() const { return DwarfLineSection; } getDwarfLineStrSection()278 MCSection *getDwarfLineStrSection() const { return DwarfLineStrSection; } getDwarfFrameSection()279 MCSection *getDwarfFrameSection() const { return DwarfFrameSection; } getDwarfPubNamesSection()280 MCSection *getDwarfPubNamesSection() const { return DwarfPubNamesSection; } getDwarfPubTypesSection()281 MCSection *getDwarfPubTypesSection() const { return DwarfPubTypesSection; } getDwarfGnuPubNamesSection()282 MCSection *getDwarfGnuPubNamesSection() const { 283 return DwarfGnuPubNamesSection; 284 } getDwarfGnuPubTypesSection()285 MCSection *getDwarfGnuPubTypesSection() const { 286 return DwarfGnuPubTypesSection; 287 } getDwarfDebugInlineSection()288 const MCSection *getDwarfDebugInlineSection() const { 289 return DwarfDebugInlineSection; 290 } getDwarfStrSection()291 MCSection *getDwarfStrSection() const { return DwarfStrSection; } getDwarfLocSection()292 MCSection *getDwarfLocSection() const { return DwarfLocSection; } getDwarfARangesSection()293 MCSection *getDwarfARangesSection() const { return DwarfARangesSection; } getDwarfRangesSection()294 MCSection *getDwarfRangesSection() const { return DwarfRangesSection; } getDwarfRnglistsSection()295 MCSection *getDwarfRnglistsSection() const { return DwarfRnglistsSection; } getDwarfLoclistsSection()296 MCSection *getDwarfLoclistsSection() const { return DwarfLoclistsSection; } getDwarfMacinfoSection()297 MCSection *getDwarfMacinfoSection() const { return DwarfMacinfoSection; } getDwarfMacroSection()298 MCSection *getDwarfMacroSection() const { return DwarfMacroSection; } 299 getDwarfDebugNamesSection()300 MCSection *getDwarfDebugNamesSection() const { 301 return DwarfDebugNamesSection; 302 } getDwarfAccelNamesSection()303 MCSection *getDwarfAccelNamesSection() const { 304 return DwarfAccelNamesSection; 305 } getDwarfAccelObjCSection()306 MCSection *getDwarfAccelObjCSection() const { return DwarfAccelObjCSection; } getDwarfAccelNamespaceSection()307 MCSection *getDwarfAccelNamespaceSection() const { 308 return DwarfAccelNamespaceSection; 309 } getDwarfAccelTypesSection()310 MCSection *getDwarfAccelTypesSection() const { 311 return DwarfAccelTypesSection; 312 } getDwarfInfoDWOSection()313 MCSection *getDwarfInfoDWOSection() const { return DwarfInfoDWOSection; } getDwarfTypesSection(uint64_t Hash)314 MCSection *getDwarfTypesSection(uint64_t Hash) const { 315 return getDwarfComdatSection(".debug_types", Hash); 316 } getDwarfTypesDWOSection()317 MCSection *getDwarfTypesDWOSection() const { return DwarfTypesDWOSection; } getDwarfAbbrevDWOSection()318 MCSection *getDwarfAbbrevDWOSection() const { return DwarfAbbrevDWOSection; } getDwarfStrDWOSection()319 MCSection *getDwarfStrDWOSection() const { return DwarfStrDWOSection; } getDwarfLineDWOSection()320 MCSection *getDwarfLineDWOSection() const { return DwarfLineDWOSection; } getDwarfLocDWOSection()321 MCSection *getDwarfLocDWOSection() const { return DwarfLocDWOSection; } getDwarfStrOffDWOSection()322 MCSection *getDwarfStrOffDWOSection() const { return DwarfStrOffDWOSection; } getDwarfStrOffSection()323 MCSection *getDwarfStrOffSection() const { return DwarfStrOffSection; } getDwarfAddrSection()324 MCSection *getDwarfAddrSection() const { return DwarfAddrSection; } getDwarfRnglistsDWOSection()325 MCSection *getDwarfRnglistsDWOSection() const { 326 return DwarfRnglistsDWOSection; 327 } getDwarfLoclistsDWOSection()328 MCSection *getDwarfLoclistsDWOSection() const { 329 return DwarfLoclistsDWOSection; 330 } getDwarfMacroDWOSection()331 MCSection *getDwarfMacroDWOSection() const { return DwarfMacroDWOSection; } getDwarfMacinfoDWOSection()332 MCSection *getDwarfMacinfoDWOSection() const { 333 return DwarfMacinfoDWOSection; 334 } getDwarfCUIndexSection()335 MCSection *getDwarfCUIndexSection() const { return DwarfCUIndexSection; } getDwarfTUIndexSection()336 MCSection *getDwarfTUIndexSection() const { return DwarfTUIndexSection; } getDwarfSwiftASTSection()337 MCSection *getDwarfSwiftASTSection() const { return DwarfSwiftASTSection; } 338 getCOFFDebugSymbolsSection()339 MCSection *getCOFFDebugSymbolsSection() const { 340 return COFFDebugSymbolsSection; 341 } getCOFFDebugTypesSection()342 MCSection *getCOFFDebugTypesSection() const { 343 return COFFDebugTypesSection; 344 } getCOFFGlobalTypeHashesSection()345 MCSection *getCOFFGlobalTypeHashesSection() const { 346 return COFFGlobalTypeHashesSection; 347 } 348 getTLSExtraDataSection()349 MCSection *getTLSExtraDataSection() const { return TLSExtraDataSection; } getTLSDataSection()350 const MCSection *getTLSDataSection() const { return TLSDataSection; } getTLSBSSSection()351 MCSection *getTLSBSSSection() const { return TLSBSSSection; } 352 getStackMapSection()353 MCSection *getStackMapSection() const { return StackMapSection; } getFaultMapSection()354 MCSection *getFaultMapSection() const { return FaultMapSection; } getRemarksSection()355 MCSection *getRemarksSection() const { return RemarksSection; } 356 357 MCSection *getStackSizesSection(const MCSection &TextSec) const; 358 359 MCSection *getBBAddrMapSection(const MCSection &TextSec) const; 360 361 MCSection *getKCFITrapSection(const MCSection &TextSec) const; 362 363 MCSection *getPseudoProbeSection(const MCSection &TextSec) const; 364 365 MCSection *getPseudoProbeDescSection(StringRef FuncName) const; 366 367 MCSection *getLLVMStatsSection() const; 368 369 MCSection *getPCSection(StringRef Name, const MCSection *TextSec) const; 370 371 // ELF specific sections. getDataRelROSection()372 MCSection *getDataRelROSection() const { return DataRelROSection; } getMergeableConst4Section()373 const MCSection *getMergeableConst4Section() const { 374 return MergeableConst4Section; 375 } getMergeableConst8Section()376 const MCSection *getMergeableConst8Section() const { 377 return MergeableConst8Section; 378 } getMergeableConst16Section()379 const MCSection *getMergeableConst16Section() const { 380 return MergeableConst16Section; 381 } getMergeableConst32Section()382 const MCSection *getMergeableConst32Section() const { 383 return MergeableConst32Section; 384 } 385 386 // MachO specific sections. getTLSTLVSection()387 const MCSection *getTLSTLVSection() const { return TLSTLVSection; } getTLSThreadInitSection()388 const MCSection *getTLSThreadInitSection() const { 389 return TLSThreadInitSection; 390 } getCStringSection()391 const MCSection *getCStringSection() const { return CStringSection; } getUStringSection()392 const MCSection *getUStringSection() const { return UStringSection; } getTextCoalSection()393 MCSection *getTextCoalSection() const { return TextCoalSection; } getConstTextCoalSection()394 const MCSection *getConstTextCoalSection() const { 395 return ConstTextCoalSection; 396 } getConstDataSection()397 const MCSection *getConstDataSection() const { return ConstDataSection; } getDataCoalSection()398 const MCSection *getDataCoalSection() const { return DataCoalSection; } getConstDataCoalSection()399 const MCSection *getConstDataCoalSection() const { 400 return ConstDataCoalSection; 401 } getDataCommonSection()402 const MCSection *getDataCommonSection() const { return DataCommonSection; } getDataBSSSection()403 MCSection *getDataBSSSection() const { return DataBSSSection; } getFourByteConstantSection()404 const MCSection *getFourByteConstantSection() const { 405 return FourByteConstantSection; 406 } getEightByteConstantSection()407 const MCSection *getEightByteConstantSection() const { 408 return EightByteConstantSection; 409 } getSixteenByteConstantSection()410 const MCSection *getSixteenByteConstantSection() const { 411 return SixteenByteConstantSection; 412 } getLazySymbolPointerSection()413 MCSection *getLazySymbolPointerSection() const { 414 return LazySymbolPointerSection; 415 } getNonLazySymbolPointerSection()416 MCSection *getNonLazySymbolPointerSection() const { 417 return NonLazySymbolPointerSection; 418 } getThreadLocalPointerSection()419 MCSection *getThreadLocalPointerSection() const { 420 return ThreadLocalPointerSection; 421 } getAddrSigSection()422 MCSection *getAddrSigSection() const { return AddrSigSection; } 423 424 // COFF specific sections. getDrectveSection()425 MCSection *getDrectveSection() const { return DrectveSection; } getPDataSection()426 MCSection *getPDataSection() const { return PDataSection; } getXDataSection()427 MCSection *getXDataSection() const { return XDataSection; } getSXDataSection()428 MCSection *getSXDataSection() const { return SXDataSection; } getGEHContSection()429 MCSection *getGEHContSection() const { return GEHContSection; } getGFIDsSection()430 MCSection *getGFIDsSection() const { return GFIDsSection; } getGIATsSection()431 MCSection *getGIATsSection() const { return GIATsSection; } getGLJMPSection()432 MCSection *getGLJMPSection() const { return GLJMPSection; } 433 434 // GOFF specific sections. getPPA1Section()435 MCSection *getPPA1Section() const { return PPA1Section; } getPPA2Section()436 MCSection *getPPA2Section() const { return PPA2Section; } getADASection()437 MCSection *getADASection() const { return ADASection; } getIDRLSection()438 MCSection *getIDRLSection() const { return IDRLSection; } 439 440 // XCOFF specific sections getTOCBaseSection()441 MCSection *getTOCBaseSection() const { return TOCBaseSection; } 442 getEHFrameSection()443 MCSection *getEHFrameSection() const { return EHFrameSection; } 444 isPositionIndependent()445 bool isPositionIndependent() const { return PositionIndependent; } 446 447 // Swift5 Reflection Data Sections getSwift5ReflectionSection(llvm::binaryformat::Swift5ReflectionSectionKind ReflSectionKind)448 MCSection *getSwift5ReflectionSection( 449 llvm::binaryformat::Swift5ReflectionSectionKind ReflSectionKind) { 450 return ReflSectionKind != 451 llvm::binaryformat::Swift5ReflectionSectionKind::unknown 452 ? Swift5ReflectionSections[ReflSectionKind] 453 : nullptr; 454 } 455 456 private: 457 bool PositionIndependent = false; 458 MCContext *Ctx = nullptr; 459 VersionTuple SDKVersion; 460 std::optional<Triple> DarwinTargetVariantTriple; 461 VersionTuple DarwinTargetVariantSDKVersion; 462 463 void initMachOMCObjectFileInfo(const Triple &T); 464 void initELFMCObjectFileInfo(const Triple &T, bool Large); 465 void initGOFFMCObjectFileInfo(const Triple &T); 466 void initCOFFMCObjectFileInfo(const Triple &T); 467 void initSPIRVMCObjectFileInfo(const Triple &T); 468 void initWasmMCObjectFileInfo(const Triple &T); 469 void initXCOFFMCObjectFileInfo(const Triple &T); 470 void initDXContainerObjectFileInfo(const Triple &T); 471 MCSection *getDwarfComdatSection(const char *Name, uint64_t Hash) const; 472 473 public: setSDKVersion(const VersionTuple & TheSDKVersion)474 void setSDKVersion(const VersionTuple &TheSDKVersion) { 475 SDKVersion = TheSDKVersion; 476 } 477 getSDKVersion()478 const VersionTuple &getSDKVersion() const { return SDKVersion; } 479 setDarwinTargetVariantTriple(const Triple & T)480 void setDarwinTargetVariantTriple(const Triple &T) { 481 DarwinTargetVariantTriple = T; 482 } 483 getDarwinTargetVariantTriple()484 const Triple *getDarwinTargetVariantTriple() const { 485 return DarwinTargetVariantTriple ? &*DarwinTargetVariantTriple : nullptr; 486 } 487 setDarwinTargetVariantSDKVersion(const VersionTuple & TheSDKVersion)488 void setDarwinTargetVariantSDKVersion(const VersionTuple &TheSDKVersion) { 489 DarwinTargetVariantSDKVersion = TheSDKVersion; 490 } 491 getDarwinTargetVariantSDKVersion()492 const VersionTuple &getDarwinTargetVariantSDKVersion() const { 493 return DarwinTargetVariantSDKVersion; 494 } 495 }; 496 497 } // end namespace llvm 498 499 #endif 500