1 //===--- MicrosoftMangle.cpp - Microsoft Visual C++ Name Mangling ---------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This provides C++ name mangling targeting the Microsoft Visual C++ ABI. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "clang/AST/Mangle.h" 15 #include "clang/AST/ASTContext.h" 16 #include "clang/AST/CharUnits.h" 17 #include "clang/AST/Decl.h" 18 #include "clang/AST/DeclCXX.h" 19 #include "clang/AST/DeclObjC.h" 20 #include "clang/AST/DeclTemplate.h" 21 #include "clang/AST/ExprCXX.h" 22 #include "clang/Basic/ABI.h" 23 24 using namespace clang; 25 26 namespace { 27 28 /// MicrosoftCXXNameMangler - Manage the mangling of a single name for the 29 /// Microsoft Visual C++ ABI. 30 class MicrosoftCXXNameMangler { 31 MangleContext &Context; 32 raw_ostream &Out; 33 34 ASTContext &getASTContext() const { return Context.getASTContext(); } 35 36 public: 37 MicrosoftCXXNameMangler(MangleContext &C, raw_ostream &Out_) 38 : Context(C), Out(Out_) { } 39 40 void mangle(const NamedDecl *D, StringRef Prefix = "?"); 41 void mangleName(const NamedDecl *ND); 42 void mangleFunctionEncoding(const FunctionDecl *FD); 43 void mangleVariableEncoding(const VarDecl *VD); 44 void mangleNumber(int64_t Number); 45 void mangleType(QualType T); 46 47 private: 48 void mangleUnqualifiedName(const NamedDecl *ND) { 49 mangleUnqualifiedName(ND, ND->getDeclName()); 50 } 51 void mangleUnqualifiedName(const NamedDecl *ND, DeclarationName Name); 52 void mangleSourceName(const IdentifierInfo *II); 53 void manglePostfix(const DeclContext *DC, bool NoFunction=false); 54 void mangleOperatorName(OverloadedOperatorKind OO); 55 void mangleQualifiers(Qualifiers Quals, bool IsMember); 56 57 void mangleObjCMethodName(const ObjCMethodDecl *MD); 58 59 // Declare manglers for every type class. 60 #define ABSTRACT_TYPE(CLASS, PARENT) 61 #define NON_CANONICAL_TYPE(CLASS, PARENT) 62 #define TYPE(CLASS, PARENT) void mangleType(const CLASS##Type *T); 63 #include "clang/AST/TypeNodes.def" 64 65 void mangleType(const TagType*); 66 void mangleType(const FunctionType *T, const FunctionDecl *D, 67 bool IsStructor, bool IsInstMethod); 68 void mangleType(const ArrayType *T, bool IsGlobal); 69 void mangleExtraDimensions(QualType T); 70 void mangleFunctionClass(const FunctionDecl *FD); 71 void mangleCallingConvention(const FunctionType *T, bool IsInstMethod = false); 72 void mangleThrowSpecification(const FunctionProtoType *T); 73 74 }; 75 76 /// MicrosoftMangleContext - Overrides the default MangleContext for the 77 /// Microsoft Visual C++ ABI. 78 class MicrosoftMangleContext : public MangleContext { 79 public: 80 MicrosoftMangleContext(ASTContext &Context, 81 DiagnosticsEngine &Diags) : MangleContext(Context, Diags) { } 82 virtual bool shouldMangleDeclName(const NamedDecl *D); 83 virtual void mangleName(const NamedDecl *D, raw_ostream &Out); 84 virtual void mangleThunk(const CXXMethodDecl *MD, 85 const ThunkInfo &Thunk, 86 raw_ostream &); 87 virtual void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type, 88 const ThisAdjustment &ThisAdjustment, 89 raw_ostream &); 90 virtual void mangleCXXVTable(const CXXRecordDecl *RD, 91 raw_ostream &); 92 virtual void mangleCXXVTT(const CXXRecordDecl *RD, 93 raw_ostream &); 94 virtual void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset, 95 const CXXRecordDecl *Type, 96 raw_ostream &); 97 virtual void mangleCXXRTTI(QualType T, raw_ostream &); 98 virtual void mangleCXXRTTIName(QualType T, raw_ostream &); 99 virtual void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type, 100 raw_ostream &); 101 virtual void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type, 102 raw_ostream &); 103 virtual void mangleReferenceTemporary(const clang::VarDecl *, 104 raw_ostream &); 105 }; 106 107 } 108 109 static bool isInCLinkageSpecification(const Decl *D) { 110 D = D->getCanonicalDecl(); 111 for (const DeclContext *DC = D->getDeclContext(); 112 !DC->isTranslationUnit(); DC = DC->getParent()) { 113 if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) 114 return Linkage->getLanguage() == LinkageSpecDecl::lang_c; 115 } 116 117 return false; 118 } 119 120 bool MicrosoftMangleContext::shouldMangleDeclName(const NamedDecl *D) { 121 // In C, functions with no attributes never need to be mangled. Fastpath them. 122 if (!getASTContext().getLangOptions().CPlusPlus && !D->hasAttrs()) 123 return false; 124 125 // Any decl can be declared with __asm("foo") on it, and this takes precedence 126 // over all other naming in the .o file. 127 if (D->hasAttr<AsmLabelAttr>()) 128 return true; 129 130 // Clang's "overloadable" attribute extension to C/C++ implies name mangling 131 // (always) as does passing a C++ member function and a function 132 // whose name is not a simple identifier. 133 const FunctionDecl *FD = dyn_cast<FunctionDecl>(D); 134 if (FD && (FD->hasAttr<OverloadableAttr>() || isa<CXXMethodDecl>(FD) || 135 !FD->getDeclName().isIdentifier())) 136 return true; 137 138 // Otherwise, no mangling is done outside C++ mode. 139 if (!getASTContext().getLangOptions().CPlusPlus) 140 return false; 141 142 // Variables at global scope with internal linkage are not mangled. 143 if (!FD) { 144 const DeclContext *DC = D->getDeclContext(); 145 if (DC->isTranslationUnit() && D->getLinkage() == InternalLinkage) 146 return false; 147 } 148 149 // C functions and "main" are not mangled. 150 if ((FD && FD->isMain()) || isInCLinkageSpecification(D)) 151 return false; 152 153 return true; 154 } 155 156 void MicrosoftCXXNameMangler::mangle(const NamedDecl *D, 157 StringRef Prefix) { 158 // MSVC doesn't mangle C++ names the same way it mangles extern "C" names. 159 // Therefore it's really important that we don't decorate the 160 // name with leading underscores or leading/trailing at signs. So, emit a 161 // asm marker at the start so we get the name right. 162 Out << '\01'; // LLVM IR Marker for __asm("foo") 163 164 // Any decl can be declared with __asm("foo") on it, and this takes precedence 165 // over all other naming in the .o file. 166 if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) { 167 // If we have an asm name, then we use it as the mangling. 168 Out << ALA->getLabel(); 169 return; 170 } 171 172 // <mangled-name> ::= ? <name> <type-encoding> 173 Out << Prefix; 174 mangleName(D); 175 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) 176 mangleFunctionEncoding(FD); 177 else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) 178 mangleVariableEncoding(VD); 179 // TODO: Fields? Can MSVC even mangle them? 180 } 181 182 void MicrosoftCXXNameMangler::mangleFunctionEncoding(const FunctionDecl *FD) { 183 // <type-encoding> ::= <function-class> <function-type> 184 185 // Don't mangle in the type if this isn't a decl we should typically mangle. 186 if (!Context.shouldMangleDeclName(FD)) 187 return; 188 189 // We should never ever see a FunctionNoProtoType at this point. 190 // We don't even know how to mangle their types anyway :). 191 const FunctionProtoType *FT = cast<FunctionProtoType>(FD->getType()); 192 193 bool InStructor = false, InInstMethod = false; 194 const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD); 195 if (MD) { 196 if (MD->isInstance()) 197 InInstMethod = true; 198 if (isa<CXXConstructorDecl>(MD) || isa<CXXDestructorDecl>(MD)) 199 InStructor = true; 200 } 201 202 // First, the function class. 203 mangleFunctionClass(FD); 204 205 mangleType(FT, FD, InStructor, InInstMethod); 206 } 207 208 void MicrosoftCXXNameMangler::mangleVariableEncoding(const VarDecl *VD) { 209 // <type-encoding> ::= <storage-class> <variable-type> 210 // <storage-class> ::= 0 # private static member 211 // ::= 1 # protected static member 212 // ::= 2 # public static member 213 // ::= 3 # global 214 // ::= 4 # static local 215 216 // The first character in the encoding (after the name) is the storage class. 217 if (VD->isStaticDataMember()) { 218 // If it's a static member, it also encodes the access level. 219 switch (VD->getAccess()) { 220 default: 221 case AS_private: Out << '0'; break; 222 case AS_protected: Out << '1'; break; 223 case AS_public: Out << '2'; break; 224 } 225 } 226 else if (!VD->isStaticLocal()) 227 Out << '3'; 228 else 229 Out << '4'; 230 // Now mangle the type. 231 // <variable-type> ::= <type> <cvr-qualifiers> 232 // ::= <type> A # pointers, references, arrays 233 // Pointers and references are odd. The type of 'int * const foo;' gets 234 // mangled as 'QAHA' instead of 'PAHB', for example. 235 QualType Ty = VD->getType(); 236 if (Ty->isPointerType() || Ty->isReferenceType()) { 237 mangleType(Ty); 238 Out << 'A'; 239 } else if (Ty->isArrayType()) { 240 // Global arrays are funny, too. 241 mangleType(cast<ArrayType>(Ty.getTypePtr()), true); 242 Out << 'A'; 243 } else { 244 mangleType(Ty.getLocalUnqualifiedType()); 245 mangleQualifiers(Ty.getLocalQualifiers(), false); 246 } 247 } 248 249 void MicrosoftCXXNameMangler::mangleName(const NamedDecl *ND) { 250 // <name> ::= <unscoped-name> {[<named-scope>]+ | [<nested-name>]}? @ 251 const DeclContext *DC = ND->getDeclContext(); 252 253 // Always start with the unqualified name. 254 mangleUnqualifiedName(ND); 255 256 // If this is an extern variable declared locally, the relevant DeclContext 257 // is that of the containing namespace, or the translation unit. 258 if (isa<FunctionDecl>(DC) && ND->hasLinkage()) 259 while (!DC->isNamespace() && !DC->isTranslationUnit()) 260 DC = DC->getParent(); 261 262 manglePostfix(DC); 263 264 // Terminate the whole name with an '@'. 265 Out << '@'; 266 } 267 268 void MicrosoftCXXNameMangler::mangleNumber(int64_t Number) { 269 // <number> ::= [?] <decimal digit> # <= 9 270 // ::= [?] <hex digit>+ @ # > 9; A = 0, B = 1, etc... 271 if (Number < 0) { 272 Out << '?'; 273 Number = -Number; 274 } 275 if (Number >= 1 && Number <= 10) { 276 Out << Number-1; 277 } else { 278 // We have to build up the encoding in reverse order, so it will come 279 // out right when we write it out. 280 char Encoding[16]; 281 char *EndPtr = Encoding+sizeof(Encoding); 282 char *CurPtr = EndPtr; 283 while (Number) { 284 *--CurPtr = 'A' + (Number % 16); 285 Number /= 16; 286 } 287 Out.write(CurPtr, EndPtr-CurPtr); 288 Out << '@'; 289 } 290 } 291 292 void 293 MicrosoftCXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND, 294 DeclarationName Name) { 295 // <unqualified-name> ::= <operator-name> 296 // ::= <ctor-dtor-name> 297 // ::= <source-name> 298 switch (Name.getNameKind()) { 299 case DeclarationName::Identifier: { 300 if (const IdentifierInfo *II = Name.getAsIdentifierInfo()) { 301 mangleSourceName(II); 302 break; 303 } 304 305 // Otherwise, an anonymous entity. We must have a declaration. 306 assert(ND && "mangling empty name without declaration"); 307 308 if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) { 309 if (NS->isAnonymousNamespace()) { 310 Out << "?A"; 311 break; 312 } 313 } 314 315 // We must have an anonymous struct. 316 const TagDecl *TD = cast<TagDecl>(ND); 317 if (const TypedefNameDecl *D = TD->getTypedefNameForAnonDecl()) { 318 assert(TD->getDeclContext() == D->getDeclContext() && 319 "Typedef should not be in another decl context!"); 320 assert(D->getDeclName().getAsIdentifierInfo() && 321 "Typedef was not named!"); 322 mangleSourceName(D->getDeclName().getAsIdentifierInfo()); 323 break; 324 } 325 326 // When VC encounters an anonymous type with no tag and no typedef, 327 // it literally emits '<unnamed-tag>'. 328 Out << "<unnamed-tag>"; 329 break; 330 } 331 332 case DeclarationName::ObjCZeroArgSelector: 333 case DeclarationName::ObjCOneArgSelector: 334 case DeclarationName::ObjCMultiArgSelector: 335 llvm_unreachable("Can't mangle Objective-C selector names here!"); 336 337 case DeclarationName::CXXConstructorName: 338 llvm_unreachable("Can't mangle constructors yet!"); 339 340 case DeclarationName::CXXDestructorName: 341 llvm_unreachable("Can't mangle destructors yet!"); 342 343 case DeclarationName::CXXConversionFunctionName: 344 // <operator-name> ::= ?B # (cast) 345 // The target type is encoded as the return type. 346 Out << "?B"; 347 break; 348 349 case DeclarationName::CXXOperatorName: 350 mangleOperatorName(Name.getCXXOverloadedOperator()); 351 break; 352 353 case DeclarationName::CXXLiteralOperatorName: 354 // FIXME: Was this added in VS2010? Does MS even know how to mangle this? 355 llvm_unreachable("Don't know how to mangle literal operators yet!"); 356 357 case DeclarationName::CXXUsingDirective: 358 llvm_unreachable("Can't mangle a using directive name!"); 359 } 360 } 361 362 void MicrosoftCXXNameMangler::manglePostfix(const DeclContext *DC, 363 bool NoFunction) { 364 // <postfix> ::= <unqualified-name> [<postfix>] 365 // ::= <template-postfix> <template-args> [<postfix>] 366 // ::= <template-param> 367 // ::= <substitution> [<postfix>] 368 369 if (!DC) return; 370 371 while (isa<LinkageSpecDecl>(DC)) 372 DC = DC->getParent(); 373 374 if (DC->isTranslationUnit()) 375 return; 376 377 if (const BlockDecl *BD = dyn_cast<BlockDecl>(DC)) { 378 Context.mangleBlock(BD, Out); 379 Out << '@'; 380 return manglePostfix(DC->getParent(), NoFunction); 381 } 382 383 if (NoFunction && (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC))) 384 return; 385 else if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) 386 mangleObjCMethodName(Method); 387 else { 388 mangleUnqualifiedName(cast<NamedDecl>(DC)); 389 manglePostfix(DC->getParent(), NoFunction); 390 } 391 } 392 393 void MicrosoftCXXNameMangler::mangleOperatorName(OverloadedOperatorKind OO) { 394 switch (OO) { 395 // ?0 # constructor 396 // ?1 # destructor 397 // <operator-name> ::= ?2 # new 398 case OO_New: Out << "?2"; break; 399 // <operator-name> ::= ?3 # delete 400 case OO_Delete: Out << "?3"; break; 401 // <operator-name> ::= ?4 # = 402 case OO_Equal: Out << "?4"; break; 403 // <operator-name> ::= ?5 # >> 404 case OO_GreaterGreater: Out << "?5"; break; 405 // <operator-name> ::= ?6 # << 406 case OO_LessLess: Out << "?6"; break; 407 // <operator-name> ::= ?7 # ! 408 case OO_Exclaim: Out << "?7"; break; 409 // <operator-name> ::= ?8 # == 410 case OO_EqualEqual: Out << "?8"; break; 411 // <operator-name> ::= ?9 # != 412 case OO_ExclaimEqual: Out << "?9"; break; 413 // <operator-name> ::= ?A # [] 414 case OO_Subscript: Out << "?A"; break; 415 // ?B # conversion 416 // <operator-name> ::= ?C # -> 417 case OO_Arrow: Out << "?C"; break; 418 // <operator-name> ::= ?D # * 419 case OO_Star: Out << "?D"; break; 420 // <operator-name> ::= ?E # ++ 421 case OO_PlusPlus: Out << "?E"; break; 422 // <operator-name> ::= ?F # -- 423 case OO_MinusMinus: Out << "?F"; break; 424 // <operator-name> ::= ?G # - 425 case OO_Minus: Out << "?G"; break; 426 // <operator-name> ::= ?H # + 427 case OO_Plus: Out << "?H"; break; 428 // <operator-name> ::= ?I # & 429 case OO_Amp: Out << "?I"; break; 430 // <operator-name> ::= ?J # ->* 431 case OO_ArrowStar: Out << "?J"; break; 432 // <operator-name> ::= ?K # / 433 case OO_Slash: Out << "?K"; break; 434 // <operator-name> ::= ?L # % 435 case OO_Percent: Out << "?L"; break; 436 // <operator-name> ::= ?M # < 437 case OO_Less: Out << "?M"; break; 438 // <operator-name> ::= ?N # <= 439 case OO_LessEqual: Out << "?N"; break; 440 // <operator-name> ::= ?O # > 441 case OO_Greater: Out << "?O"; break; 442 // <operator-name> ::= ?P # >= 443 case OO_GreaterEqual: Out << "?P"; break; 444 // <operator-name> ::= ?Q # , 445 case OO_Comma: Out << "?Q"; break; 446 // <operator-name> ::= ?R # () 447 case OO_Call: Out << "?R"; break; 448 // <operator-name> ::= ?S # ~ 449 case OO_Tilde: Out << "?S"; break; 450 // <operator-name> ::= ?T # ^ 451 case OO_Caret: Out << "?T"; break; 452 // <operator-name> ::= ?U # | 453 case OO_Pipe: Out << "?U"; break; 454 // <operator-name> ::= ?V # && 455 case OO_AmpAmp: Out << "?V"; break; 456 // <operator-name> ::= ?W # || 457 case OO_PipePipe: Out << "?W"; break; 458 // <operator-name> ::= ?X # *= 459 case OO_StarEqual: Out << "?X"; break; 460 // <operator-name> ::= ?Y # += 461 case OO_PlusEqual: Out << "?Y"; break; 462 // <operator-name> ::= ?Z # -= 463 case OO_MinusEqual: Out << "?Z"; break; 464 // <operator-name> ::= ?_0 # /= 465 case OO_SlashEqual: Out << "?_0"; break; 466 // <operator-name> ::= ?_1 # %= 467 case OO_PercentEqual: Out << "?_1"; break; 468 // <operator-name> ::= ?_2 # >>= 469 case OO_GreaterGreaterEqual: Out << "?_2"; break; 470 // <operator-name> ::= ?_3 # <<= 471 case OO_LessLessEqual: Out << "?_3"; break; 472 // <operator-name> ::= ?_4 # &= 473 case OO_AmpEqual: Out << "?_4"; break; 474 // <operator-name> ::= ?_5 # |= 475 case OO_PipeEqual: Out << "?_5"; break; 476 // <operator-name> ::= ?_6 # ^= 477 case OO_CaretEqual: Out << "?_6"; break; 478 // ?_7 # vftable 479 // ?_8 # vbtable 480 // ?_9 # vcall 481 // ?_A # typeof 482 // ?_B # local static guard 483 // ?_C # string 484 // ?_D # vbase destructor 485 // ?_E # vector deleting destructor 486 // ?_F # default constructor closure 487 // ?_G # scalar deleting destructor 488 // ?_H # vector constructor iterator 489 // ?_I # vector destructor iterator 490 // ?_J # vector vbase constructor iterator 491 // ?_K # virtual displacement map 492 // ?_L # eh vector constructor iterator 493 // ?_M # eh vector destructor iterator 494 // ?_N # eh vector vbase constructor iterator 495 // ?_O # copy constructor closure 496 // ?_P<name> # udt returning <name> 497 // ?_Q # <unknown> 498 // ?_R0 # RTTI Type Descriptor 499 // ?_R1 # RTTI Base Class Descriptor at (a,b,c,d) 500 // ?_R2 # RTTI Base Class Array 501 // ?_R3 # RTTI Class Hierarchy Descriptor 502 // ?_R4 # RTTI Complete Object Locator 503 // ?_S # local vftable 504 // ?_T # local vftable constructor closure 505 // <operator-name> ::= ?_U # new[] 506 case OO_Array_New: Out << "?_U"; break; 507 // <operator-name> ::= ?_V # delete[] 508 case OO_Array_Delete: Out << "?_V"; break; 509 510 case OO_Conditional: 511 llvm_unreachable("Don't know how to mangle ?:"); 512 513 case OO_None: 514 case NUM_OVERLOADED_OPERATORS: 515 llvm_unreachable("Not an overloaded operator"); 516 } 517 } 518 519 void MicrosoftCXXNameMangler::mangleSourceName(const IdentifierInfo *II) { 520 // <source name> ::= <identifier> @ 521 Out << II->getName() << '@'; 522 } 523 524 void MicrosoftCXXNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) { 525 Context.mangleObjCMethodName(MD, Out); 526 } 527 528 void MicrosoftCXXNameMangler::mangleQualifiers(Qualifiers Quals, 529 bool IsMember) { 530 // <cvr-qualifiers> ::= [E] [F] [I] <base-cvr-qualifiers> 531 // 'E' means __ptr64 (32-bit only); 'F' means __unaligned (32/64-bit only); 532 // 'I' means __restrict (32/64-bit). 533 // Note that the MSVC __restrict keyword isn't the same as the C99 restrict 534 // keyword! 535 // <base-cvr-qualifiers> ::= A # near 536 // ::= B # near const 537 // ::= C # near volatile 538 // ::= D # near const volatile 539 // ::= E # far (16-bit) 540 // ::= F # far const (16-bit) 541 // ::= G # far volatile (16-bit) 542 // ::= H # far const volatile (16-bit) 543 // ::= I # huge (16-bit) 544 // ::= J # huge const (16-bit) 545 // ::= K # huge volatile (16-bit) 546 // ::= L # huge const volatile (16-bit) 547 // ::= M <basis> # based 548 // ::= N <basis> # based const 549 // ::= O <basis> # based volatile 550 // ::= P <basis> # based const volatile 551 // ::= Q # near member 552 // ::= R # near const member 553 // ::= S # near volatile member 554 // ::= T # near const volatile member 555 // ::= U # far member (16-bit) 556 // ::= V # far const member (16-bit) 557 // ::= W # far volatile member (16-bit) 558 // ::= X # far const volatile member (16-bit) 559 // ::= Y # huge member (16-bit) 560 // ::= Z # huge const member (16-bit) 561 // ::= 0 # huge volatile member (16-bit) 562 // ::= 1 # huge const volatile member (16-bit) 563 // ::= 2 <basis> # based member 564 // ::= 3 <basis> # based const member 565 // ::= 4 <basis> # based volatile member 566 // ::= 5 <basis> # based const volatile member 567 // ::= 6 # near function (pointers only) 568 // ::= 7 # far function (pointers only) 569 // ::= 8 # near method (pointers only) 570 // ::= 9 # far method (pointers only) 571 // ::= _A <basis> # based function (pointers only) 572 // ::= _B <basis> # based function (far?) (pointers only) 573 // ::= _C <basis> # based method (pointers only) 574 // ::= _D <basis> # based method (far?) (pointers only) 575 // ::= _E # block (Clang) 576 // <basis> ::= 0 # __based(void) 577 // ::= 1 # __based(segment)? 578 // ::= 2 <name> # __based(name) 579 // ::= 3 # ? 580 // ::= 4 # ? 581 // ::= 5 # not really based 582 if (!IsMember) { 583 if (!Quals.hasVolatile()) { 584 if (!Quals.hasConst()) 585 Out << 'A'; 586 else 587 Out << 'B'; 588 } else { 589 if (!Quals.hasConst()) 590 Out << 'C'; 591 else 592 Out << 'D'; 593 } 594 } else { 595 if (!Quals.hasVolatile()) { 596 if (!Quals.hasConst()) 597 Out << 'Q'; 598 else 599 Out << 'R'; 600 } else { 601 if (!Quals.hasConst()) 602 Out << 'S'; 603 else 604 Out << 'T'; 605 } 606 } 607 608 // FIXME: For now, just drop all extension qualifiers on the floor. 609 } 610 611 void MicrosoftCXXNameMangler::mangleType(QualType T) { 612 // Only operate on the canonical type! 613 T = getASTContext().getCanonicalType(T); 614 615 Qualifiers Quals = T.getLocalQualifiers(); 616 if (Quals) { 617 // We have to mangle these now, while we still have enough information. 618 // <pointer-cvr-qualifiers> ::= P # pointer 619 // ::= Q # const pointer 620 // ::= R # volatile pointer 621 // ::= S # const volatile pointer 622 if (T->isAnyPointerType() || T->isMemberPointerType() || 623 T->isBlockPointerType()) { 624 if (!Quals.hasVolatile()) 625 Out << 'Q'; 626 else { 627 if (!Quals.hasConst()) 628 Out << 'R'; 629 else 630 Out << 'S'; 631 } 632 } else 633 // Just emit qualifiers like normal. 634 // NB: When we mangle a pointer/reference type, and the pointee 635 // type has no qualifiers, the lack of qualifier gets mangled 636 // in there. 637 mangleQualifiers(Quals, false); 638 } else if (T->isAnyPointerType() || T->isMemberPointerType() || 639 T->isBlockPointerType()) { 640 Out << 'P'; 641 } 642 switch (T->getTypeClass()) { 643 #define ABSTRACT_TYPE(CLASS, PARENT) 644 #define NON_CANONICAL_TYPE(CLASS, PARENT) \ 645 case Type::CLASS: \ 646 llvm_unreachable("can't mangle non-canonical type " #CLASS "Type"); \ 647 return; 648 #define TYPE(CLASS, PARENT) \ 649 case Type::CLASS: \ 650 mangleType(static_cast<const CLASS##Type*>(T.getTypePtr())); \ 651 break; 652 #include "clang/AST/TypeNodes.def" 653 } 654 } 655 656 void MicrosoftCXXNameMangler::mangleType(const BuiltinType *T) { 657 // <type> ::= <builtin-type> 658 // <builtin-type> ::= X # void 659 // ::= C # signed char 660 // ::= D # char 661 // ::= E # unsigned char 662 // ::= F # short 663 // ::= G # unsigned short (or wchar_t if it's not a builtin) 664 // ::= H # int 665 // ::= I # unsigned int 666 // ::= J # long 667 // ::= K # unsigned long 668 // L # <none> 669 // ::= M # float 670 // ::= N # double 671 // ::= O # long double (__float80 is mangled differently) 672 // ::= _J # long long, __int64 673 // ::= _K # unsigned long long, __int64 674 // ::= _L # __int128 675 // ::= _M # unsigned __int128 676 // ::= _N # bool 677 // _O # <array in parameter> 678 // ::= _T # __float80 (Intel) 679 // ::= _W # wchar_t 680 // ::= _Z # __float80 (Digital Mars) 681 switch (T->getKind()) { 682 case BuiltinType::Void: Out << 'X'; break; 683 case BuiltinType::SChar: Out << 'C'; break; 684 case BuiltinType::Char_U: case BuiltinType::Char_S: Out << 'D'; break; 685 case BuiltinType::UChar: Out << 'E'; break; 686 case BuiltinType::Short: Out << 'F'; break; 687 case BuiltinType::UShort: Out << 'G'; break; 688 case BuiltinType::Int: Out << 'H'; break; 689 case BuiltinType::UInt: Out << 'I'; break; 690 case BuiltinType::Long: Out << 'J'; break; 691 case BuiltinType::ULong: Out << 'K'; break; 692 case BuiltinType::Float: Out << 'M'; break; 693 case BuiltinType::Double: Out << 'N'; break; 694 // TODO: Determine size and mangle accordingly 695 case BuiltinType::LongDouble: Out << 'O'; break; 696 case BuiltinType::LongLong: Out << "_J"; break; 697 case BuiltinType::ULongLong: Out << "_K"; break; 698 case BuiltinType::Int128: Out << "_L"; break; 699 case BuiltinType::UInt128: Out << "_M"; break; 700 case BuiltinType::Bool: Out << "_N"; break; 701 case BuiltinType::WChar_S: 702 case BuiltinType::WChar_U: Out << "_W"; break; 703 704 #define BUILTIN_TYPE(Id, SingletonId) 705 #define PLACEHOLDER_TYPE(Id, SingletonId) \ 706 case BuiltinType::Id: 707 #include "clang/AST/BuiltinTypes.def" 708 case BuiltinType::Dependent: 709 llvm_unreachable("placeholder types shouldn't get to name mangling"); 710 711 case BuiltinType::ObjCId: Out << "PAUobjc_object@@"; break; 712 case BuiltinType::ObjCClass: Out << "PAUobjc_class@@"; break; 713 case BuiltinType::ObjCSel: Out << "PAUobjc_selector@@"; break; 714 715 case BuiltinType::Char16: 716 case BuiltinType::Char32: 717 case BuiltinType::Half: 718 case BuiltinType::NullPtr: 719 assert(0 && "Don't know how to mangle this type yet"); 720 } 721 } 722 723 // <type> ::= <function-type> 724 void MicrosoftCXXNameMangler::mangleType(const FunctionProtoType *T) { 725 // Structors only appear in decls, so at this point we know it's not a 726 // structor type. 727 // I'll probably have mangleType(MemberPointerType) call the mangleType() 728 // method directly. 729 mangleType(T, NULL, false, false); 730 } 731 void MicrosoftCXXNameMangler::mangleType(const FunctionNoProtoType *T) { 732 llvm_unreachable("Can't mangle K&R function prototypes"); 733 } 734 735 void MicrosoftCXXNameMangler::mangleType(const FunctionType *T, 736 const FunctionDecl *D, 737 bool IsStructor, 738 bool IsInstMethod) { 739 // <function-type> ::= <this-cvr-qualifiers> <calling-convention> 740 // <return-type> <argument-list> <throw-spec> 741 const FunctionProtoType *Proto = cast<FunctionProtoType>(T); 742 743 // If this is a C++ instance method, mangle the CVR qualifiers for the 744 // this pointer. 745 if (IsInstMethod) 746 mangleQualifiers(Qualifiers::fromCVRMask(Proto->getTypeQuals()), false); 747 748 mangleCallingConvention(T, IsInstMethod); 749 750 // <return-type> ::= <type> 751 // ::= @ # structors (they have no declared return type) 752 if (IsStructor) 753 Out << '@'; 754 else 755 mangleType(Proto->getResultType()); 756 757 // <argument-list> ::= X # void 758 // ::= <type>+ @ 759 // ::= <type>* Z # varargs 760 if (Proto->getNumArgs() == 0 && !Proto->isVariadic()) { 761 Out << 'X'; 762 } else { 763 if (D) { 764 // If we got a decl, use the "types-as-written" to make sure arrays 765 // get mangled right. 766 for (FunctionDecl::param_const_iterator Parm = D->param_begin(), 767 ParmEnd = D->param_end(); 768 Parm != ParmEnd; ++Parm) 769 mangleType((*Parm)->getTypeSourceInfo()->getType()); 770 } else { 771 for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(), 772 ArgEnd = Proto->arg_type_end(); 773 Arg != ArgEnd; ++Arg) 774 mangleType(*Arg); 775 } 776 // <builtin-type> ::= Z # ellipsis 777 if (Proto->isVariadic()) 778 Out << 'Z'; 779 else 780 Out << '@'; 781 } 782 783 mangleThrowSpecification(Proto); 784 } 785 786 void MicrosoftCXXNameMangler::mangleFunctionClass(const FunctionDecl *FD) { 787 // <function-class> ::= A # private: near 788 // ::= B # private: far 789 // ::= C # private: static near 790 // ::= D # private: static far 791 // ::= E # private: virtual near 792 // ::= F # private: virtual far 793 // ::= G # private: thunk near 794 // ::= H # private: thunk far 795 // ::= I # protected: near 796 // ::= J # protected: far 797 // ::= K # protected: static near 798 // ::= L # protected: static far 799 // ::= M # protected: virtual near 800 // ::= N # protected: virtual far 801 // ::= O # protected: thunk near 802 // ::= P # protected: thunk far 803 // ::= Q # public: near 804 // ::= R # public: far 805 // ::= S # public: static near 806 // ::= T # public: static far 807 // ::= U # public: virtual near 808 // ::= V # public: virtual far 809 // ::= W # public: thunk near 810 // ::= X # public: thunk far 811 // ::= Y # global near 812 // ::= Z # global far 813 if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 814 switch (MD->getAccess()) { 815 default: 816 case AS_private: 817 if (MD->isStatic()) 818 Out << 'C'; 819 else if (MD->isVirtual()) 820 Out << 'E'; 821 else 822 Out << 'A'; 823 break; 824 case AS_protected: 825 if (MD->isStatic()) 826 Out << 'K'; 827 else if (MD->isVirtual()) 828 Out << 'M'; 829 else 830 Out << 'I'; 831 break; 832 case AS_public: 833 if (MD->isStatic()) 834 Out << 'S'; 835 else if (MD->isVirtual()) 836 Out << 'U'; 837 else 838 Out << 'Q'; 839 } 840 } else 841 Out << 'Y'; 842 } 843 void MicrosoftCXXNameMangler::mangleCallingConvention(const FunctionType *T, 844 bool IsInstMethod) { 845 // <calling-convention> ::= A # __cdecl 846 // ::= B # __export __cdecl 847 // ::= C # __pascal 848 // ::= D # __export __pascal 849 // ::= E # __thiscall 850 // ::= F # __export __thiscall 851 // ::= G # __stdcall 852 // ::= H # __export __stdcall 853 // ::= I # __fastcall 854 // ::= J # __export __fastcall 855 // The 'export' calling conventions are from a bygone era 856 // (*cough*Win16*cough*) when functions were declared for export with 857 // that keyword. (It didn't actually export them, it just made them so 858 // that they could be in a DLL and somebody from another module could call 859 // them.) 860 CallingConv CC = T->getCallConv(); 861 if (CC == CC_Default) 862 CC = IsInstMethod ? getASTContext().getDefaultMethodCallConv() : CC_C; 863 switch (CC) { 864 default: 865 llvm_unreachable("Unsupported CC for mangling"); 866 case CC_Default: 867 case CC_C: Out << 'A'; break; 868 case CC_X86Pascal: Out << 'C'; break; 869 case CC_X86ThisCall: Out << 'E'; break; 870 case CC_X86StdCall: Out << 'G'; break; 871 case CC_X86FastCall: Out << 'I'; break; 872 } 873 } 874 void MicrosoftCXXNameMangler::mangleThrowSpecification( 875 const FunctionProtoType *FT) { 876 // <throw-spec> ::= Z # throw(...) (default) 877 // ::= @ # throw() or __declspec/__attribute__((nothrow)) 878 // ::= <type>+ 879 // NOTE: Since the Microsoft compiler ignores throw specifications, they are 880 // all actually mangled as 'Z'. (They're ignored because their associated 881 // functionality isn't implemented, and probably never will be.) 882 Out << 'Z'; 883 } 884 885 void MicrosoftCXXNameMangler::mangleType(const UnresolvedUsingType *T) { 886 llvm_unreachable("Don't know how to mangle UnresolvedUsingTypes yet!"); 887 } 888 889 // <type> ::= <union-type> | <struct-type> | <class-type> | <enum-type> 890 // <union-type> ::= T <name> 891 // <struct-type> ::= U <name> 892 // <class-type> ::= V <name> 893 // <enum-type> ::= W <size> <name> 894 void MicrosoftCXXNameMangler::mangleType(const EnumType *T) { 895 mangleType(static_cast<const TagType*>(T)); 896 } 897 void MicrosoftCXXNameMangler::mangleType(const RecordType *T) { 898 mangleType(static_cast<const TagType*>(T)); 899 } 900 void MicrosoftCXXNameMangler::mangleType(const TagType *T) { 901 switch (T->getDecl()->getTagKind()) { 902 case TTK_Union: 903 Out << 'T'; 904 break; 905 case TTK_Struct: 906 Out << 'U'; 907 break; 908 case TTK_Class: 909 Out << 'V'; 910 break; 911 case TTK_Enum: 912 Out << 'W'; 913 Out << getASTContext().getTypeSizeInChars( 914 cast<EnumDecl>(T->getDecl())->getIntegerType()).getQuantity(); 915 break; 916 } 917 mangleName(T->getDecl()); 918 } 919 920 // <type> ::= <array-type> 921 // <array-type> ::= P <cvr-qualifiers> [Y <dimension-count> <dimension>+] 922 // <element-type> # as global 923 // ::= Q <cvr-qualifiers> [Y <dimension-count> <dimension>+] 924 // <element-type> # as param 925 // It's supposed to be the other way around, but for some strange reason, it 926 // isn't. Today this behavior is retained for the sole purpose of backwards 927 // compatibility. 928 void MicrosoftCXXNameMangler::mangleType(const ArrayType *T, bool IsGlobal) { 929 // This isn't a recursive mangling, so now we have to do it all in this 930 // one call. 931 if (IsGlobal) 932 Out << 'P'; 933 else 934 Out << 'Q'; 935 mangleExtraDimensions(T->getElementType()); 936 } 937 void MicrosoftCXXNameMangler::mangleType(const ConstantArrayType *T) { 938 mangleType(static_cast<const ArrayType *>(T), false); 939 } 940 void MicrosoftCXXNameMangler::mangleType(const VariableArrayType *T) { 941 mangleType(static_cast<const ArrayType *>(T), false); 942 } 943 void MicrosoftCXXNameMangler::mangleType(const DependentSizedArrayType *T) { 944 mangleType(static_cast<const ArrayType *>(T), false); 945 } 946 void MicrosoftCXXNameMangler::mangleType(const IncompleteArrayType *T) { 947 mangleType(static_cast<const ArrayType *>(T), false); 948 } 949 void MicrosoftCXXNameMangler::mangleExtraDimensions(QualType ElementTy) { 950 SmallVector<llvm::APInt, 3> Dimensions; 951 for (;;) { 952 if (ElementTy->isConstantArrayType()) { 953 const ConstantArrayType *CAT = 954 static_cast<const ConstantArrayType *>(ElementTy.getTypePtr()); 955 Dimensions.push_back(CAT->getSize()); 956 ElementTy = CAT->getElementType(); 957 } else if (ElementTy->isVariableArrayType()) { 958 llvm_unreachable("Don't know how to mangle VLAs!"); 959 } else if (ElementTy->isDependentSizedArrayType()) { 960 // The dependent expression has to be folded into a constant (TODO). 961 llvm_unreachable("Don't know how to mangle dependent-sized arrays!"); 962 } else if (ElementTy->isIncompleteArrayType()) continue; 963 else break; 964 } 965 mangleQualifiers(ElementTy.getQualifiers(), false); 966 // If there are any additional dimensions, mangle them now. 967 if (Dimensions.size() > 0) { 968 Out << 'Y'; 969 // <dimension-count> ::= <number> # number of extra dimensions 970 mangleNumber(Dimensions.size()); 971 for (unsigned Dim = 0; Dim < Dimensions.size(); ++Dim) { 972 mangleNumber(Dimensions[Dim].getLimitedValue()); 973 } 974 } 975 mangleType(ElementTy.getLocalUnqualifiedType()); 976 } 977 978 // <type> ::= <pointer-to-member-type> 979 // <pointer-to-member-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> 980 // <class name> <type> 981 void MicrosoftCXXNameMangler::mangleType(const MemberPointerType *T) { 982 QualType PointeeType = T->getPointeeType(); 983 if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(PointeeType)) { 984 Out << '8'; 985 mangleName(cast<RecordType>(T->getClass())->getDecl()); 986 mangleType(FPT, NULL, false, true); 987 } else { 988 mangleQualifiers(PointeeType.getQualifiers(), true); 989 mangleName(cast<RecordType>(T->getClass())->getDecl()); 990 mangleType(PointeeType.getLocalUnqualifiedType()); 991 } 992 } 993 994 void MicrosoftCXXNameMangler::mangleType(const TemplateTypeParmType *T) { 995 llvm_unreachable("Don't know how to mangle TemplateTypeParmTypes yet!"); 996 } 997 998 void MicrosoftCXXNameMangler::mangleType( 999 const SubstTemplateTypeParmPackType *T) { 1000 llvm_unreachable( 1001 "Don't know how to mangle SubstTemplateTypeParmPackTypes yet!"); 1002 } 1003 1004 // <type> ::= <pointer-type> 1005 // <pointer-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> <type> 1006 void MicrosoftCXXNameMangler::mangleType(const PointerType *T) { 1007 QualType PointeeTy = T->getPointeeType(); 1008 if (PointeeTy->isArrayType()) { 1009 // Pointers to arrays are mangled like arrays. 1010 mangleExtraDimensions(T->getPointeeType()); 1011 } else if (PointeeTy->isFunctionType()) { 1012 // Function pointers are special. 1013 Out << '6'; 1014 mangleType(static_cast<const FunctionType *>(PointeeTy.getTypePtr()), 1015 NULL, false, false); 1016 } else { 1017 if (!PointeeTy.hasQualifiers()) 1018 // Lack of qualifiers is mangled as 'A'. 1019 Out << 'A'; 1020 mangleType(PointeeTy); 1021 } 1022 } 1023 void MicrosoftCXXNameMangler::mangleType(const ObjCObjectPointerType *T) { 1024 // Object pointers never have qualifiers. 1025 Out << 'A'; 1026 mangleType(T->getPointeeType()); 1027 } 1028 1029 // <type> ::= <reference-type> 1030 // <reference-type> ::= A <cvr-qualifiers> <type> 1031 void MicrosoftCXXNameMangler::mangleType(const LValueReferenceType *T) { 1032 Out << 'A'; 1033 QualType PointeeTy = T->getPointeeType(); 1034 if (!PointeeTy.hasQualifiers()) 1035 // Lack of qualifiers is mangled as 'A'. 1036 Out << 'A'; 1037 mangleType(PointeeTy); 1038 } 1039 1040 void MicrosoftCXXNameMangler::mangleType(const RValueReferenceType *T) { 1041 llvm_unreachable("Don't know how to mangle RValueReferenceTypes yet!"); 1042 } 1043 1044 void MicrosoftCXXNameMangler::mangleType(const ComplexType *T) { 1045 llvm_unreachable("Don't know how to mangle ComplexTypes yet!"); 1046 } 1047 1048 void MicrosoftCXXNameMangler::mangleType(const VectorType *T) { 1049 llvm_unreachable("Don't know how to mangle VectorTypes yet!"); 1050 } 1051 void MicrosoftCXXNameMangler::mangleType(const ExtVectorType *T) { 1052 llvm_unreachable("Don't know how to mangle ExtVectorTypes yet!"); 1053 } 1054 void MicrosoftCXXNameMangler::mangleType(const DependentSizedExtVectorType *T) { 1055 llvm_unreachable( 1056 "Don't know how to mangle DependentSizedExtVectorTypes yet!"); 1057 } 1058 1059 void MicrosoftCXXNameMangler::mangleType(const ObjCInterfaceType *T) { 1060 // ObjC interfaces have structs underlying them. 1061 Out << 'U'; 1062 mangleName(T->getDecl()); 1063 } 1064 1065 void MicrosoftCXXNameMangler::mangleType(const ObjCObjectType *T) { 1066 // We don't allow overloading by different protocol qualification, 1067 // so mangling them isn't necessary. 1068 mangleType(T->getBaseType()); 1069 } 1070 1071 void MicrosoftCXXNameMangler::mangleType(const BlockPointerType *T) { 1072 Out << "_E"; 1073 mangleType(T->getPointeeType()); 1074 } 1075 1076 void MicrosoftCXXNameMangler::mangleType(const InjectedClassNameType *T) { 1077 llvm_unreachable("Don't know how to mangle InjectedClassNameTypes yet!"); 1078 } 1079 1080 void MicrosoftCXXNameMangler::mangleType(const TemplateSpecializationType *T) { 1081 llvm_unreachable("Don't know how to mangle TemplateSpecializationTypes yet!"); 1082 } 1083 1084 void MicrosoftCXXNameMangler::mangleType(const DependentNameType *T) { 1085 llvm_unreachable("Don't know how to mangle DependentNameTypes yet!"); 1086 } 1087 1088 void MicrosoftCXXNameMangler::mangleType( 1089 const DependentTemplateSpecializationType *T) { 1090 llvm_unreachable( 1091 "Don't know how to mangle DependentTemplateSpecializationTypes yet!"); 1092 } 1093 1094 void MicrosoftCXXNameMangler::mangleType(const PackExpansionType *T) { 1095 llvm_unreachable("Don't know how to mangle PackExpansionTypes yet!"); 1096 } 1097 1098 void MicrosoftCXXNameMangler::mangleType(const TypeOfType *T) { 1099 llvm_unreachable("Don't know how to mangle TypeOfTypes yet!"); 1100 } 1101 1102 void MicrosoftCXXNameMangler::mangleType(const TypeOfExprType *T) { 1103 llvm_unreachable("Don't know how to mangle TypeOfExprTypes yet!"); 1104 } 1105 1106 void MicrosoftCXXNameMangler::mangleType(const DecltypeType *T) { 1107 llvm_unreachable("Don't know how to mangle DecltypeTypes yet!"); 1108 } 1109 1110 void MicrosoftCXXNameMangler::mangleType(const UnaryTransformType *T) { 1111 llvm_unreachable("Don't know how to mangle UnaryTransformationTypes yet!"); 1112 } 1113 1114 void MicrosoftCXXNameMangler::mangleType(const AutoType *T) { 1115 llvm_unreachable("Don't know how to mangle AutoTypes yet!"); 1116 } 1117 1118 void MicrosoftCXXNameMangler::mangleType(const AtomicType *T) { 1119 llvm_unreachable("Don't know how to mangle AtomicTypes yet!"); 1120 } 1121 1122 void MicrosoftMangleContext::mangleName(const NamedDecl *D, 1123 raw_ostream &Out) { 1124 assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) && 1125 "Invalid mangleName() call, argument is not a variable or function!"); 1126 assert(!isa<CXXConstructorDecl>(D) && !isa<CXXDestructorDecl>(D) && 1127 "Invalid mangleName() call on 'structor decl!"); 1128 1129 PrettyStackTraceDecl CrashInfo(D, SourceLocation(), 1130 getASTContext().getSourceManager(), 1131 "Mangling declaration"); 1132 1133 MicrosoftCXXNameMangler Mangler(*this, Out); 1134 return Mangler.mangle(D); 1135 } 1136 void MicrosoftMangleContext::mangleThunk(const CXXMethodDecl *MD, 1137 const ThunkInfo &Thunk, 1138 raw_ostream &) { 1139 llvm_unreachable("Can't yet mangle thunks!"); 1140 } 1141 void MicrosoftMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD, 1142 CXXDtorType Type, 1143 const ThisAdjustment &, 1144 raw_ostream &) { 1145 llvm_unreachable("Can't yet mangle destructor thunks!"); 1146 } 1147 void MicrosoftMangleContext::mangleCXXVTable(const CXXRecordDecl *RD, 1148 raw_ostream &) { 1149 llvm_unreachable("Can't yet mangle virtual tables!"); 1150 } 1151 void MicrosoftMangleContext::mangleCXXVTT(const CXXRecordDecl *RD, 1152 raw_ostream &) { 1153 llvm_unreachable("The MS C++ ABI does not have virtual table tables!"); 1154 } 1155 void MicrosoftMangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD, 1156 int64_t Offset, 1157 const CXXRecordDecl *Type, 1158 raw_ostream &) { 1159 llvm_unreachable("The MS C++ ABI does not have constructor vtables!"); 1160 } 1161 void MicrosoftMangleContext::mangleCXXRTTI(QualType T, 1162 raw_ostream &) { 1163 llvm_unreachable("Can't yet mangle RTTI!"); 1164 } 1165 void MicrosoftMangleContext::mangleCXXRTTIName(QualType T, 1166 raw_ostream &) { 1167 llvm_unreachable("Can't yet mangle RTTI names!"); 1168 } 1169 void MicrosoftMangleContext::mangleCXXCtor(const CXXConstructorDecl *D, 1170 CXXCtorType Type, 1171 raw_ostream &) { 1172 llvm_unreachable("Can't yet mangle constructors!"); 1173 } 1174 void MicrosoftMangleContext::mangleCXXDtor(const CXXDestructorDecl *D, 1175 CXXDtorType Type, 1176 raw_ostream &) { 1177 llvm_unreachable("Can't yet mangle destructors!"); 1178 } 1179 void MicrosoftMangleContext::mangleReferenceTemporary(const clang::VarDecl *, 1180 raw_ostream &) { 1181 llvm_unreachable("Can't yet mangle reference temporaries!"); 1182 } 1183 1184 MangleContext *clang::createMicrosoftMangleContext(ASTContext &Context, 1185 DiagnosticsEngine &Diags) { 1186 return new MicrosoftMangleContext(Context, Diags); 1187 } 1188
