MicrosoftCXXABI.cpp revision 210008
1//===--- MicrosoftCXXABI.cpp - Emit LLVM Code from ASTs for a Module ------===// 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++ code generation targetting the Microsoft Visual C++ ABI. 11// The class in this file generates structures that follow the Microsoft 12// Visual C++ ABI, which is actually not very well documented at all outside 13// of Microsoft. 14// 15//===----------------------------------------------------------------------===// 16 17#include "CGCXXABI.h" 18#include "CodeGenModule.h" 19#include "Mangle.h" 20#include "clang/AST/ASTContext.h" 21#include "clang/AST/Decl.h" 22#include "clang/AST/DeclCXX.h" 23#include "clang/AST/DeclTemplate.h" 24#include "clang/AST/ExprCXX.h" 25#include "CGVTables.h" 26 27using namespace clang; 28using namespace CodeGen; 29 30namespace { 31 32/// MicrosoftCXXNameMangler - Manage the mangling of a single name for the 33/// Microsoft Visual C++ ABI. 34class MicrosoftCXXNameMangler { 35 MangleContext &Context; 36 llvm::raw_svector_ostream Out; 37 38 ASTContext &getASTContext() const { return Context.getASTContext(); } 39 40public: 41 MicrosoftCXXNameMangler(MangleContext &C, llvm::SmallVectorImpl<char> &Res) 42 : Context(C), Out(Res) { } 43 44 llvm::raw_svector_ostream &getStream() { return Out; } 45 46 void mangle(const NamedDecl *D, llvm::StringRef Prefix = "?"); 47 void mangleName(const NamedDecl *ND); 48 void mangleFunctionEncoding(const FunctionDecl *FD); 49 void mangleVariableEncoding(const VarDecl *VD); 50 void mangleNumber(int64_t Number); 51 void mangleType(QualType T); 52 53private: 54 void mangleUnqualifiedName(const NamedDecl *ND) { 55 mangleUnqualifiedName(ND, ND->getDeclName()); 56 } 57 void mangleUnqualifiedName(const NamedDecl *ND, DeclarationName Name); 58 void mangleSourceName(const IdentifierInfo *II); 59 void manglePostfix(const DeclContext *DC, bool NoFunction=false); 60 void mangleOperatorName(OverloadedOperatorKind OO); 61 void mangleQualifiers(Qualifiers Quals, bool IsMember); 62 63 void mangleObjCMethodName(const ObjCMethodDecl *MD); 64 65 // Declare manglers for every type class. 66#define ABSTRACT_TYPE(CLASS, PARENT) 67#define NON_CANONICAL_TYPE(CLASS, PARENT) 68#define TYPE(CLASS, PARENT) void mangleType(const CLASS##Type *T); 69#include "clang/AST/TypeNodes.def" 70 71 void mangleType(const TagType*); 72 void mangleType(const FunctionType *T, const FunctionDecl *D, 73 bool IsStructor, bool IsInstMethod); 74 void mangleType(const ArrayType *T, bool IsGlobal); 75 void mangleExtraDimensions(QualType T); 76 void mangleFunctionClass(const FunctionDecl *FD); 77 void mangleCallingConvention(const FunctionType *T); 78 void mangleThrowSpecification(const FunctionProtoType *T); 79 80}; 81 82/// MicrosoftMangleContext - Overrides the default MangleContext for the 83/// Microsoft Visual C++ ABI. 84class MicrosoftMangleContext : public MangleContext { 85public: 86 MicrosoftMangleContext(ASTContext &Context, 87 Diagnostic &Diags) : MangleContext(Context, Diags) { } 88 virtual bool shouldMangleDeclName(const NamedDecl *D); 89 virtual void mangleName(const NamedDecl *D, llvm::SmallVectorImpl<char> &); 90 virtual void mangleThunk(const CXXMethodDecl *MD, 91 const ThunkInfo &Thunk, 92 llvm::SmallVectorImpl<char> &); 93 virtual void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type, 94 const ThisAdjustment &ThisAdjustment, 95 llvm::SmallVectorImpl<char> &); 96 virtual void mangleGuardVariable(const VarDecl *D, 97 llvm::SmallVectorImpl<char> &); 98 virtual void mangleCXXVTable(const CXXRecordDecl *RD, 99 llvm::SmallVectorImpl<char> &); 100 virtual void mangleCXXVTT(const CXXRecordDecl *RD, 101 llvm::SmallVectorImpl<char> &); 102 virtual void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset, 103 const CXXRecordDecl *Type, 104 llvm::SmallVectorImpl<char> &); 105 virtual void mangleCXXRTTI(QualType T, llvm::SmallVectorImpl<char> &); 106 virtual void mangleCXXRTTIName(QualType T, llvm::SmallVectorImpl<char> &); 107 virtual void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type, 108 llvm::SmallVectorImpl<char> &); 109 virtual void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type, 110 llvm::SmallVectorImpl<char> &); 111}; 112 113class MicrosoftCXXABI : public CXXABI { 114 MicrosoftMangleContext MangleCtx; 115public: 116 MicrosoftCXXABI(CodeGenModule &CGM) 117 : MangleCtx(CGM.getContext(), CGM.getDiags()) {} 118 119 MicrosoftMangleContext &getMangleContext() { 120 return MangleCtx; 121 } 122}; 123 124} 125 126static bool isInCLinkageSpecification(const Decl *D) { 127 D = D->getCanonicalDecl(); 128 for (const DeclContext *DC = D->getDeclContext(); 129 !DC->isTranslationUnit(); DC = DC->getParent()) { 130 if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) 131 return Linkage->getLanguage() == LinkageSpecDecl::lang_c; 132 } 133 134 return false; 135} 136 137bool MicrosoftMangleContext::shouldMangleDeclName(const NamedDecl *D) { 138 // In C, functions with no attributes never need to be mangled. Fastpath them. 139 if (!getASTContext().getLangOptions().CPlusPlus && !D->hasAttrs()) 140 return false; 141 142 // Any decl can be declared with __asm("foo") on it, and this takes precedence 143 // over all other naming in the .o file. 144 if (D->hasAttr<AsmLabelAttr>()) 145 return true; 146 147 // Clang's "overloadable" attribute extension to C/C++ implies name mangling 148 // (always) as does passing a C++ member function and a function 149 // whose name is not a simple identifier. 150 const FunctionDecl *FD = dyn_cast<FunctionDecl>(D); 151 if (FD && (FD->hasAttr<OverloadableAttr>() || isa<CXXMethodDecl>(FD) || 152 !FD->getDeclName().isIdentifier())) 153 return true; 154 155 // Otherwise, no mangling is done outside C++ mode. 156 if (!getASTContext().getLangOptions().CPlusPlus) 157 return false; 158 159 // Variables at global scope with internal linkage are not mangled. 160 if (!FD) { 161 const DeclContext *DC = D->getDeclContext(); 162 if (DC->isTranslationUnit() && D->getLinkage() == InternalLinkage) 163 return false; 164 } 165 166 // C functions and "main" are not mangled. 167 if ((FD && FD->isMain()) || isInCLinkageSpecification(D)) 168 return false; 169 170 return true; 171} 172 173void MicrosoftCXXNameMangler::mangle(const NamedDecl *D, 174 llvm::StringRef Prefix) { 175 // MSVC doesn't mangle C++ names the same way it mangles extern "C" names. 176 // Therefore it's really important that we don't decorate the 177 // name with leading underscores or leading/trailing at signs. So, emit a 178 // asm marker at the start so we get the name right. 179 Out << '\01'; // LLVM IR Marker for __asm("foo") 180 181 // Any decl can be declared with __asm("foo") on it, and this takes precedence 182 // over all other naming in the .o file. 183 if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) { 184 // If we have an asm name, then we use it as the mangling. 185 Out << ALA->getLabel(); 186 return; 187 } 188 189 // <mangled-name> ::= ? <name> <type-encoding> 190 Out << Prefix; 191 mangleName(D); 192 if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) 193 mangleFunctionEncoding(FD); 194 else if (const VarDecl *VD = dyn_cast<VarDecl>(D)) 195 mangleVariableEncoding(VD); 196 // TODO: Fields? Can MSVC even mangle them? 197} 198 199void MicrosoftCXXNameMangler::mangleFunctionEncoding(const FunctionDecl *FD) { 200 // <type-encoding> ::= <function-class> <function-type> 201 202 // Don't mangle in the type if this isn't a decl we should typically mangle. 203 if (!Context.shouldMangleDeclName(FD)) 204 return; 205 206 // We should never ever see a FunctionNoProtoType at this point. 207 // We don't even know how to mangle their types anyway :). 208 const FunctionProtoType *FT = cast<FunctionProtoType>(FD->getType()); 209 210 bool InStructor = false, InInstMethod = false; 211 const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD); 212 if (MD) { 213 if (MD->isInstance()) 214 InInstMethod = true; 215 if (isa<CXXConstructorDecl>(MD) || isa<CXXDestructorDecl>(MD)) 216 InStructor = true; 217 } 218 219 // First, the function class. 220 mangleFunctionClass(FD); 221 222 mangleType(FT, FD, InStructor, InInstMethod); 223} 224 225void MicrosoftCXXNameMangler::mangleVariableEncoding(const VarDecl *VD) { 226 // <type-encoding> ::= <storage-class> <variable-type> 227 // <storage-class> ::= 0 # private static member 228 // ::= 1 # protected static member 229 // ::= 2 # public static member 230 // ::= 3 # global 231 // ::= 4 # static local 232 233 // The first character in the encoding (after the name) is the storage class. 234 if (VD->isStaticDataMember()) { 235 // If it's a static member, it also encodes the access level. 236 switch (VD->getAccess()) { 237 default: 238 case AS_private: Out << '0'; break; 239 case AS_protected: Out << '1'; break; 240 case AS_public: Out << '2'; break; 241 } 242 } 243 else if (!VD->isStaticLocal()) 244 Out << '3'; 245 else 246 Out << '4'; 247 // Now mangle the type. 248 // <variable-type> ::= <type> <cvr-qualifiers> 249 // ::= <type> A # pointers, references, arrays 250 // Pointers and references are odd. The type of 'int * const foo;' gets 251 // mangled as 'QAHA' instead of 'PAHB', for example. 252 QualType Ty = VD->getType(); 253 if (Ty->isPointerType() || Ty->isReferenceType()) { 254 mangleType(Ty); 255 Out << 'A'; 256 } else if (Ty->isArrayType()) { 257 // Global arrays are funny, too. 258 mangleType(static_cast<ArrayType *>(Ty.getTypePtr()), true); 259 Out << 'A'; 260 } else { 261 mangleType(Ty.getLocalUnqualifiedType()); 262 mangleQualifiers(Ty.getLocalQualifiers(), false); 263 } 264} 265 266void MicrosoftCXXNameMangler::mangleName(const NamedDecl *ND) { 267 // <name> ::= <unscoped-name> {[<named-scope>]+ | [<nested-name>]}? @ 268 const DeclContext *DC = ND->getDeclContext(); 269 270 // Always start with the unqualified name. 271 mangleUnqualifiedName(ND); 272 273 // If this is an extern variable declared locally, the relevant DeclContext 274 // is that of the containing namespace, or the translation unit. 275 if (isa<FunctionDecl>(DC) && ND->hasLinkage()) 276 while (!DC->isNamespace() && !DC->isTranslationUnit()) 277 DC = DC->getParent(); 278 279 manglePostfix(DC); 280 281 // Terminate the whole name with an '@'. 282 Out << '@'; 283} 284 285void MicrosoftCXXNameMangler::mangleNumber(int64_t Number) { 286 // <number> ::= [?] <decimal digit> # <= 9 287 // ::= [?] <hex digit>+ @ # > 9; A = 0, B = 1, etc... 288 if (Number < 0) { 289 Out << '?'; 290 Number = -Number; 291 } 292 if (Number >= 1 && Number <= 10) { 293 Out << Number-1; 294 } else { 295 // We have to build up the encoding in reverse order, so it will come 296 // out right when we write it out. 297 char Encoding[16]; 298 char *EndPtr = Encoding+sizeof(Encoding); 299 char *CurPtr = EndPtr; 300 while (Number) { 301 *--CurPtr = 'A' + (Number % 16); 302 Number /= 16; 303 } 304 Out.write(CurPtr, EndPtr-CurPtr); 305 Out << '@'; 306 } 307} 308 309void 310MicrosoftCXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND, 311 DeclarationName Name) { 312 // <unqualified-name> ::= <operator-name> 313 // ::= <ctor-dtor-name> 314 // ::= <source-name> 315 switch (Name.getNameKind()) { 316 case DeclarationName::Identifier: { 317 if (const IdentifierInfo *II = Name.getAsIdentifierInfo()) { 318 mangleSourceName(II); 319 break; 320 } 321 322 // Otherwise, an anonymous entity. We must have a declaration. 323 assert(ND && "mangling empty name without declaration"); 324 325 if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) { 326 if (NS->isAnonymousNamespace()) { 327 Out << "?A"; 328 break; 329 } 330 } 331 332 // We must have an anonymous struct. 333 const TagDecl *TD = cast<TagDecl>(ND); 334 if (const TypedefDecl *D = TD->getTypedefForAnonDecl()) { 335 assert(TD->getDeclContext() == D->getDeclContext() && 336 "Typedef should not be in another decl context!"); 337 assert(D->getDeclName().getAsIdentifierInfo() && 338 "Typedef was not named!"); 339 mangleSourceName(D->getDeclName().getAsIdentifierInfo()); 340 break; 341 } 342 343 // When VC encounters an anonymous type with no tag and no typedef, 344 // it literally emits '<unnamed-tag>'. 345 Out << "<unnamed-tag>"; 346 break; 347 } 348 349 case DeclarationName::ObjCZeroArgSelector: 350 case DeclarationName::ObjCOneArgSelector: 351 case DeclarationName::ObjCMultiArgSelector: 352 assert(false && "Can't mangle Objective-C selector names here!"); 353 break; 354 355 case DeclarationName::CXXConstructorName: 356 assert(false && "Can't mangle constructors yet!"); 357 break; 358 359 case DeclarationName::CXXDestructorName: 360 assert(false && "Can't mangle destructors yet!"); 361 break; 362 363 case DeclarationName::CXXConversionFunctionName: 364 // <operator-name> ::= ?B # (cast) 365 // The target type is encoded as the return type. 366 Out << "?B"; 367 break; 368 369 case DeclarationName::CXXOperatorName: 370 mangleOperatorName(Name.getCXXOverloadedOperator()); 371 break; 372 373 case DeclarationName::CXXLiteralOperatorName: 374 // FIXME: Was this added in VS2010? Does MS even know how to mangle this? 375 assert(false && "Don't know how to mangle literal operators yet!"); 376 break; 377 378 case DeclarationName::CXXUsingDirective: 379 assert(false && "Can't mangle a using directive name!"); 380 break; 381 } 382} 383 384void MicrosoftCXXNameMangler::manglePostfix(const DeclContext *DC, 385 bool NoFunction) { 386 // <postfix> ::= <unqualified-name> [<postfix>] 387 // ::= <template-postfix> <template-args> [<postfix>] 388 // ::= <template-param> 389 // ::= <substitution> [<postfix>] 390 391 if (!DC) return; 392 393 while (isa<LinkageSpecDecl>(DC)) 394 DC = DC->getParent(); 395 396 if (DC->isTranslationUnit()) 397 return; 398 399 if (const BlockDecl *BD = dyn_cast<BlockDecl>(DC)) { 400 llvm::SmallString<64> Name; 401 Context.mangleBlock(GlobalDecl(), BD, Name); 402 Out << Name << '@'; 403 return manglePostfix(DC->getParent(), NoFunction); 404 } 405 406 if (NoFunction && (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC))) 407 return; 408 else if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) 409 mangleObjCMethodName(Method); 410 else { 411 mangleUnqualifiedName(cast<NamedDecl>(DC)); 412 manglePostfix(DC->getParent(), NoFunction); 413 } 414} 415 416void MicrosoftCXXNameMangler::mangleOperatorName(OverloadedOperatorKind OO) { 417 switch (OO) { 418 // ?0 # constructor 419 // ?1 # destructor 420 // <operator-name> ::= ?2 # new 421 case OO_New: Out << "?2"; break; 422 // <operator-name> ::= ?3 # delete 423 case OO_Delete: Out << "?3"; break; 424 // <operator-name> ::= ?4 # = 425 case OO_Equal: Out << "?4"; break; 426 // <operator-name> ::= ?5 # >> 427 case OO_GreaterGreater: Out << "?5"; break; 428 // <operator-name> ::= ?6 # << 429 case OO_LessLess: Out << "?6"; break; 430 // <operator-name> ::= ?7 # ! 431 case OO_Exclaim: Out << "?7"; break; 432 // <operator-name> ::= ?8 # == 433 case OO_EqualEqual: Out << "?8"; break; 434 // <operator-name> ::= ?9 # != 435 case OO_ExclaimEqual: Out << "?9"; break; 436 // <operator-name> ::= ?A # [] 437 case OO_Subscript: Out << "?A"; break; 438 // ?B # conversion 439 // <operator-name> ::= ?C # -> 440 case OO_Arrow: Out << "?C"; break; 441 // <operator-name> ::= ?D # * 442 case OO_Star: Out << "?D"; break; 443 // <operator-name> ::= ?E # ++ 444 case OO_PlusPlus: Out << "?E"; break; 445 // <operator-name> ::= ?F # -- 446 case OO_MinusMinus: Out << "?F"; break; 447 // <operator-name> ::= ?G # - 448 case OO_Minus: Out << "?G"; break; 449 // <operator-name> ::= ?H # + 450 case OO_Plus: Out << "?H"; break; 451 // <operator-name> ::= ?I # & 452 case OO_Amp: Out << "?I"; break; 453 // <operator-name> ::= ?J # ->* 454 case OO_ArrowStar: Out << "?J"; break; 455 // <operator-name> ::= ?K # / 456 case OO_Slash: Out << "?K"; break; 457 // <operator-name> ::= ?L # % 458 case OO_Percent: Out << "?L"; break; 459 // <operator-name> ::= ?M # < 460 case OO_Less: Out << "?M"; break; 461 // <operator-name> ::= ?N # <= 462 case OO_LessEqual: Out << "?N"; break; 463 // <operator-name> ::= ?O # > 464 case OO_Greater: Out << "?O"; break; 465 // <operator-name> ::= ?P # >= 466 case OO_GreaterEqual: Out << "?P"; break; 467 // <operator-name> ::= ?Q # , 468 case OO_Comma: Out << "?Q"; break; 469 // <operator-name> ::= ?R # () 470 case OO_Call: Out << "?R"; break; 471 // <operator-name> ::= ?S # ~ 472 case OO_Tilde: Out << "?S"; break; 473 // <operator-name> ::= ?T # ^ 474 case OO_Caret: Out << "?T"; break; 475 // <operator-name> ::= ?U # | 476 case OO_Pipe: Out << "?U"; break; 477 // <operator-name> ::= ?V # && 478 case OO_AmpAmp: Out << "?V"; break; 479 // <operator-name> ::= ?W # || 480 case OO_PipePipe: Out << "?W"; break; 481 // <operator-name> ::= ?X # *= 482 case OO_StarEqual: Out << "?X"; break; 483 // <operator-name> ::= ?Y # += 484 case OO_PlusEqual: Out << "?Y"; break; 485 // <operator-name> ::= ?Z # -= 486 case OO_MinusEqual: Out << "?Z"; break; 487 // <operator-name> ::= ?_0 # /= 488 case OO_SlashEqual: Out << "?_0"; break; 489 // <operator-name> ::= ?_1 # %= 490 case OO_PercentEqual: Out << "?_1"; break; 491 // <operator-name> ::= ?_2 # >>= 492 case OO_GreaterGreaterEqual: Out << "?_2"; break; 493 // <operator-name> ::= ?_3 # <<= 494 case OO_LessLessEqual: Out << "?_3"; break; 495 // <operator-name> ::= ?_4 # &= 496 case OO_AmpEqual: Out << "?_4"; break; 497 // <operator-name> ::= ?_5 # |= 498 case OO_PipeEqual: Out << "?_5"; break; 499 // <operator-name> ::= ?_6 # ^= 500 case OO_CaretEqual: Out << "?_6"; break; 501 // ?_7 # vftable 502 // ?_8 # vbtable 503 // ?_9 # vcall 504 // ?_A # typeof 505 // ?_B # local static guard 506 // ?_C # string 507 // ?_D # vbase destructor 508 // ?_E # vector deleting destructor 509 // ?_F # default constructor closure 510 // ?_G # scalar deleting destructor 511 // ?_H # vector constructor iterator 512 // ?_I # vector destructor iterator 513 // ?_J # vector vbase constructor iterator 514 // ?_K # virtual displacement map 515 // ?_L # eh vector constructor iterator 516 // ?_M # eh vector destructor iterator 517 // ?_N # eh vector vbase constructor iterator 518 // ?_O # copy constructor closure 519 // ?_P<name> # udt returning <name> 520 // ?_Q # <unknown> 521 // ?_R0 # RTTI Type Descriptor 522 // ?_R1 # RTTI Base Class Descriptor at (a,b,c,d) 523 // ?_R2 # RTTI Base Class Array 524 // ?_R3 # RTTI Class Hierarchy Descriptor 525 // ?_R4 # RTTI Complete Object Locator 526 // ?_S # local vftable 527 // ?_T # local vftable constructor closure 528 // <operator-name> ::= ?_U # new[] 529 case OO_Array_New: Out << "?_U"; break; 530 // <operator-name> ::= ?_V # delete[] 531 case OO_Array_Delete: Out << "?_V"; break; 532 533 case OO_Conditional: 534 assert(false && "Don't know how to mangle ?:"); 535 break; 536 537 case OO_None: 538 case NUM_OVERLOADED_OPERATORS: 539 assert(false && "Not an overloaded operator"); 540 break; 541 } 542} 543 544void MicrosoftCXXNameMangler::mangleSourceName(const IdentifierInfo *II) { 545 // <source name> ::= <identifier> @ 546 Out << II->getName() << '@'; 547} 548 549void MicrosoftCXXNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) { 550 llvm::SmallString<64> Buffer; 551 MiscNameMangler(Context, Buffer).mangleObjCMethodName(MD); 552 Out << Buffer; 553} 554 555void MicrosoftCXXNameMangler::mangleQualifiers(Qualifiers Quals, 556 bool IsMember) { 557 // <cvr-qualifiers> ::= [E] [F] [I] <base-cvr-qualifiers> 558 // 'E' means __ptr64 (32-bit only); 'F' means __unaligned (32/64-bit only); 559 // 'I' means __restrict (32/64-bit). 560 // Note that the MSVC __restrict keyword isn't the same as the C99 restrict 561 // keyword! 562 // <base-cvr-qualifiers> ::= A # near 563 // ::= B # near const 564 // ::= C # near volatile 565 // ::= D # near const volatile 566 // ::= E # far (16-bit) 567 // ::= F # far const (16-bit) 568 // ::= G # far volatile (16-bit) 569 // ::= H # far const volatile (16-bit) 570 // ::= I # huge (16-bit) 571 // ::= J # huge const (16-bit) 572 // ::= K # huge volatile (16-bit) 573 // ::= L # huge const volatile (16-bit) 574 // ::= M <basis> # based 575 // ::= N <basis> # based const 576 // ::= O <basis> # based volatile 577 // ::= P <basis> # based const volatile 578 // ::= Q # near member 579 // ::= R # near const member 580 // ::= S # near volatile member 581 // ::= T # near const volatile member 582 // ::= U # far member (16-bit) 583 // ::= V # far const member (16-bit) 584 // ::= W # far volatile member (16-bit) 585 // ::= X # far const volatile member (16-bit) 586 // ::= Y # huge member (16-bit) 587 // ::= Z # huge const member (16-bit) 588 // ::= 0 # huge volatile member (16-bit) 589 // ::= 1 # huge const volatile member (16-bit) 590 // ::= 2 <basis> # based member 591 // ::= 3 <basis> # based const member 592 // ::= 4 <basis> # based volatile member 593 // ::= 5 <basis> # based const volatile member 594 // ::= 6 # near function (pointers only) 595 // ::= 7 # far function (pointers only) 596 // ::= 8 # near method (pointers only) 597 // ::= 9 # far method (pointers only) 598 // ::= _A <basis> # based function (pointers only) 599 // ::= _B <basis> # based function (far?) (pointers only) 600 // ::= _C <basis> # based method (pointers only) 601 // ::= _D <basis> # based method (far?) (pointers only) 602 // ::= _E # block (Clang) 603 // <basis> ::= 0 # __based(void) 604 // ::= 1 # __based(segment)? 605 // ::= 2 <name> # __based(name) 606 // ::= 3 # ? 607 // ::= 4 # ? 608 // ::= 5 # not really based 609 if (!IsMember) { 610 if (!Quals.hasVolatile()) { 611 if (!Quals.hasConst()) 612 Out << 'A'; 613 else 614 Out << 'B'; 615 } else { 616 if (!Quals.hasConst()) 617 Out << 'C'; 618 else 619 Out << 'D'; 620 } 621 } else { 622 if (!Quals.hasVolatile()) { 623 if (!Quals.hasConst()) 624 Out << 'Q'; 625 else 626 Out << 'R'; 627 } else { 628 if (!Quals.hasConst()) 629 Out << 'S'; 630 else 631 Out << 'T'; 632 } 633 } 634 635 // FIXME: For now, just drop all extension qualifiers on the floor. 636} 637 638void MicrosoftCXXNameMangler::mangleType(QualType T) { 639 // Only operate on the canonical type! 640 T = getASTContext().getCanonicalType(T); 641 642 Qualifiers Quals = T.getLocalQualifiers(); 643 if (Quals) { 644 // We have to mangle these now, while we still have enough information. 645 // <pointer-cvr-qualifiers> ::= P # pointer 646 // ::= Q # const pointer 647 // ::= R # volatile pointer 648 // ::= S # const volatile pointer 649 if (T->isAnyPointerType() || T->isMemberPointerType() || 650 T->isBlockPointerType()) { 651 if (!Quals.hasVolatile()) 652 Out << 'Q'; 653 else { 654 if (!Quals.hasConst()) 655 Out << 'R'; 656 else 657 Out << 'S'; 658 } 659 } else 660 // Just emit qualifiers like normal. 661 // NB: When we mangle a pointer/reference type, and the pointee 662 // type has no qualifiers, the lack of qualifier gets mangled 663 // in there. 664 mangleQualifiers(Quals, false); 665 } else if (T->isAnyPointerType() || T->isMemberPointerType() || 666 T->isBlockPointerType()) { 667 Out << 'P'; 668 } 669 switch (T->getTypeClass()) { 670#define ABSTRACT_TYPE(CLASS, PARENT) 671#define NON_CANONICAL_TYPE(CLASS, PARENT) \ 672case Type::CLASS: \ 673llvm_unreachable("can't mangle non-canonical type " #CLASS "Type"); \ 674return; 675#define TYPE(CLASS, PARENT) \ 676case Type::CLASS: \ 677mangleType(static_cast<const CLASS##Type*>(T.getTypePtr())); \ 678break; 679#include "clang/AST/TypeNodes.def" 680 } 681} 682 683void MicrosoftCXXNameMangler::mangleType(const BuiltinType *T) { 684 // <type> ::= <builtin-type> 685 // <builtin-type> ::= X # void 686 // ::= C # signed char 687 // ::= D # char 688 // ::= E # unsigned char 689 // ::= F # short 690 // ::= G # unsigned short (or wchar_t if it's not a builtin) 691 // ::= H # int 692 // ::= I # unsigned int 693 // ::= J # long 694 // ::= K # unsigned long 695 // L # <none> 696 // ::= M # float 697 // ::= N # double 698 // ::= O # long double (__float80 is mangled differently) 699 // ::= _D # __int8 (yup, it's a distinct type in MSVC) 700 // ::= _E # unsigned __int8 701 // ::= _F # __int16 702 // ::= _G # unsigned __int16 703 // ::= _H # __int32 704 // ::= _I # unsigned __int32 705 // ::= _J # long long, __int64 706 // ::= _K # unsigned long long, __int64 707 // ::= _L # __int128 708 // ::= _M # unsigned __int128 709 // ::= _N # bool 710 // _O # <array in parameter> 711 // ::= _T # __float80 (Intel) 712 // ::= _W # wchar_t 713 // ::= _Z # __float80 (Digital Mars) 714 switch (T->getKind()) { 715 case BuiltinType::Void: Out << 'X'; break; 716 case BuiltinType::SChar: Out << 'C'; break; 717 case BuiltinType::Char_U: case BuiltinType::Char_S: Out << 'D'; break; 718 case BuiltinType::UChar: Out << 'E'; break; 719 case BuiltinType::Short: Out << 'F'; break; 720 case BuiltinType::UShort: Out << 'G'; break; 721 case BuiltinType::Int: Out << 'H'; break; 722 case BuiltinType::UInt: Out << 'I'; break; 723 case BuiltinType::Long: Out << 'J'; break; 724 case BuiltinType::ULong: Out << 'K'; break; 725 case BuiltinType::Float: Out << 'M'; break; 726 case BuiltinType::Double: Out << 'N'; break; 727 // TODO: Determine size and mangle accordingly 728 case BuiltinType::LongDouble: Out << 'O'; break; 729 // TODO: __int8 and friends 730 case BuiltinType::LongLong: Out << "_J"; break; 731 case BuiltinType::ULongLong: Out << "_K"; break; 732 case BuiltinType::Int128: Out << "_L"; break; 733 case BuiltinType::UInt128: Out << "_M"; break; 734 case BuiltinType::Bool: Out << "_N"; break; 735 case BuiltinType::WChar: Out << "_W"; break; 736 737 case BuiltinType::Overload: 738 case BuiltinType::Dependent: 739 assert(false && 740 "Overloaded and dependent types shouldn't get to name mangling"); 741 break; 742 case BuiltinType::UndeducedAuto: 743 assert(0 && "Should not see undeduced auto here"); 744 break; 745 case BuiltinType::ObjCId: Out << "PAUobjc_object@@"; break; 746 case BuiltinType::ObjCClass: Out << "PAUobjc_class@@"; break; 747 case BuiltinType::ObjCSel: Out << "PAUobjc_selector@@"; break; 748 749 case BuiltinType::Char16: 750 case BuiltinType::Char32: 751 case BuiltinType::NullPtr: 752 assert(false && "Don't know how to mangle this type"); 753 break; 754 } 755} 756 757// <type> ::= <function-type> 758void MicrosoftCXXNameMangler::mangleType(const FunctionProtoType *T) { 759 // Structors only appear in decls, so at this point we know it's not a 760 // structor type. 761 // I'll probably have mangleType(MemberPointerType) call the mangleType() 762 // method directly. 763 mangleType(T, NULL, false, false); 764} 765void MicrosoftCXXNameMangler::mangleType(const FunctionNoProtoType *T) { 766 llvm_unreachable("Can't mangle K&R function prototypes"); 767} 768 769void MicrosoftCXXNameMangler::mangleType(const FunctionType *T, 770 const FunctionDecl *D, 771 bool IsStructor, 772 bool IsInstMethod) { 773 // <function-type> ::= <this-cvr-qualifiers> <calling-convention> 774 // <return-type> <argument-list> <throw-spec> 775 const FunctionProtoType *Proto = cast<FunctionProtoType>(T); 776 777 // If this is a C++ instance method, mangle the CVR qualifiers for the 778 // this pointer. 779 if (IsInstMethod) 780 mangleQualifiers(Qualifiers::fromCVRMask(Proto->getTypeQuals()), false); 781 782 mangleCallingConvention(T); 783 784 // <return-type> ::= <type> 785 // ::= @ # structors (they have no declared return type) 786 if (IsStructor) 787 Out << '@'; 788 else 789 mangleType(Proto->getResultType()); 790 791 // <argument-list> ::= X # void 792 // ::= <type>+ @ 793 // ::= <type>* Z # varargs 794 if (Proto->getNumArgs() == 0 && !Proto->isVariadic()) { 795 Out << 'X'; 796 } else { 797 if (D) { 798 // If we got a decl, use the "types-as-written" to make sure arrays 799 // get mangled right. 800 for (FunctionDecl::param_const_iterator Parm = D->param_begin(), 801 ParmEnd = D->param_end(); 802 Parm != ParmEnd; ++Parm) 803 mangleType((*Parm)->getTypeSourceInfo()->getType()); 804 } else { 805 for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(), 806 ArgEnd = Proto->arg_type_end(); 807 Arg != ArgEnd; ++Arg) 808 mangleType(*Arg); 809 } 810 // <builtin-type> ::= Z # ellipsis 811 if (Proto->isVariadic()) 812 Out << 'Z'; 813 else 814 Out << '@'; 815 } 816 817 mangleThrowSpecification(Proto); 818} 819 820void MicrosoftCXXNameMangler::mangleFunctionClass(const FunctionDecl *FD) { 821 // <function-class> ::= A # private: near 822 // ::= B # private: far 823 // ::= C # private: static near 824 // ::= D # private: static far 825 // ::= E # private: virtual near 826 // ::= F # private: virtual far 827 // ::= G # private: thunk near 828 // ::= H # private: thunk far 829 // ::= I # protected: near 830 // ::= J # protected: far 831 // ::= K # protected: static near 832 // ::= L # protected: static far 833 // ::= M # protected: virtual near 834 // ::= N # protected: virtual far 835 // ::= O # protected: thunk near 836 // ::= P # protected: thunk far 837 // ::= Q # public: near 838 // ::= R # public: far 839 // ::= S # public: static near 840 // ::= T # public: static far 841 // ::= U # public: virtual near 842 // ::= V # public: virtual far 843 // ::= W # public: thunk near 844 // ::= X # public: thunk far 845 // ::= Y # global near 846 // ::= Z # global far 847 if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 848 switch (MD->getAccess()) { 849 default: 850 case AS_private: 851 if (MD->isStatic()) 852 Out << 'C'; 853 else if (MD->isVirtual()) 854 Out << 'E'; 855 else 856 Out << 'A'; 857 break; 858 case AS_protected: 859 if (MD->isStatic()) 860 Out << 'K'; 861 else if (MD->isVirtual()) 862 Out << 'M'; 863 else 864 Out << 'I'; 865 break; 866 case AS_public: 867 if (MD->isStatic()) 868 Out << 'S'; 869 else if (MD->isVirtual()) 870 Out << 'U'; 871 else 872 Out << 'Q'; 873 } 874 } else 875 Out << 'Y'; 876} 877void MicrosoftCXXNameMangler::mangleCallingConvention(const FunctionType *T) { 878 // <calling-convention> ::= A # __cdecl 879 // ::= B # __export __cdecl 880 // ::= C # __pascal 881 // ::= D # __export __pascal 882 // ::= E # __thiscall 883 // ::= F # __export __thiscall 884 // ::= G # __stdcall 885 // ::= H # __export __stdcall 886 // ::= I # __fastcall 887 // ::= J # __export __fastcall 888 // The 'export' calling conventions are from a bygone era 889 // (*cough*Win16*cough*) when functions were declared for export with 890 // that keyword. (It didn't actually export them, it just made them so 891 // that they could be in a DLL and somebody from another module could call 892 // them.) 893 switch (T->getCallConv()) { 894 case CC_Default: 895 case CC_C: Out << 'A'; break; 896 case CC_X86ThisCall: Out << 'E'; break; 897 case CC_X86StdCall: Out << 'G'; break; 898 case CC_X86FastCall: Out << 'I'; break; 899 } 900} 901void MicrosoftCXXNameMangler::mangleThrowSpecification( 902 const FunctionProtoType *FT) { 903 // <throw-spec> ::= Z # throw(...) (default) 904 // ::= @ # throw() or __declspec/__attribute__((nothrow)) 905 // ::= <type>+ 906 // NOTE: Since the Microsoft compiler ignores throw specifications, they are 907 // all actually mangled as 'Z'. (They're ignored because their associated 908 // functionality isn't implemented, and probably never will be.) 909 Out << 'Z'; 910} 911 912void MicrosoftCXXNameMangler::mangleType(const UnresolvedUsingType *T) { 913 assert(false && "Don't know how to mangle UnresolvedUsingTypes yet!"); 914} 915 916// <type> ::= <union-type> | <struct-type> | <class-type> | <enum-type> 917// <union-type> ::= T <name> 918// <struct-type> ::= U <name> 919// <class-type> ::= V <name> 920// <enum-type> ::= W <size> <name> 921void MicrosoftCXXNameMangler::mangleType(const EnumType *T) { 922 mangleType(static_cast<const TagType*>(T)); 923} 924void MicrosoftCXXNameMangler::mangleType(const RecordType *T) { 925 mangleType(static_cast<const TagType*>(T)); 926} 927void MicrosoftCXXNameMangler::mangleType(const TagType *T) { 928 switch (T->getDecl()->getTagKind()) { 929 case TTK_Union: 930 Out << 'T'; 931 break; 932 case TTK_Struct: 933 Out << 'U'; 934 break; 935 case TTK_Class: 936 Out << 'V'; 937 break; 938 case TTK_Enum: 939 Out << 'W'; 940 Out << getASTContext().getTypeSizeInChars( 941 cast<EnumDecl>(T->getDecl())->getIntegerType()).getQuantity(); 942 break; 943 } 944 mangleName(T->getDecl()); 945} 946 947// <type> ::= <array-type> 948// <array-type> ::= P <cvr-qualifiers> [Y <dimension-count> <dimension>+] 949// <element-type> # as global 950// ::= Q <cvr-qualifiers> [Y <dimension-count> <dimension>+] 951// <element-type> # as param 952// It's supposed to be the other way around, but for some strange reason, it 953// isn't. Today this behavior is retained for the sole purpose of backwards 954// compatibility. 955void MicrosoftCXXNameMangler::mangleType(const ArrayType *T, bool IsGlobal) { 956 // This isn't a recursive mangling, so now we have to do it all in this 957 // one call. 958 if (IsGlobal) 959 Out << 'P'; 960 else 961 Out << 'Q'; 962 mangleExtraDimensions(T->getElementType()); 963} 964void MicrosoftCXXNameMangler::mangleType(const ConstantArrayType *T) { 965 mangleType(static_cast<const ArrayType *>(T), false); 966} 967void MicrosoftCXXNameMangler::mangleType(const VariableArrayType *T) { 968 mangleType(static_cast<const ArrayType *>(T), false); 969} 970void MicrosoftCXXNameMangler::mangleType(const DependentSizedArrayType *T) { 971 mangleType(static_cast<const ArrayType *>(T), false); 972} 973void MicrosoftCXXNameMangler::mangleType(const IncompleteArrayType *T) { 974 mangleType(static_cast<const ArrayType *>(T), false); 975} 976void MicrosoftCXXNameMangler::mangleExtraDimensions(QualType ElementTy) { 977 llvm::SmallVector<llvm::APInt, 3> Dimensions; 978 for (;;) { 979 if (ElementTy->isConstantArrayType()) { 980 const ConstantArrayType *CAT = 981 static_cast<const ConstantArrayType *>(ElementTy.getTypePtr()); 982 Dimensions.push_back(CAT->getSize()); 983 ElementTy = CAT->getElementType(); 984 } else if (ElementTy->isVariableArrayType()) { 985 assert(false && "Don't know how to mangle VLAs!"); 986 } else if (ElementTy->isDependentSizedArrayType()) { 987 // The dependent expression has to be folded into a constant (TODO). 988 assert(false && "Don't know how to mangle dependent-sized arrays!"); 989 } else if (ElementTy->isIncompleteArrayType()) continue; 990 else break; 991 } 992 mangleQualifiers(ElementTy.getQualifiers(), false); 993 // If there are any additional dimensions, mangle them now. 994 if (Dimensions.size() > 0) { 995 Out << 'Y'; 996 // <dimension-count> ::= <number> # number of extra dimensions 997 mangleNumber(Dimensions.size()); 998 for (unsigned Dim = 0; Dim < Dimensions.size(); ++Dim) { 999 mangleNumber(Dimensions[Dim].getLimitedValue()); 1000 } 1001 } 1002 mangleType(ElementTy.getLocalUnqualifiedType()); 1003} 1004 1005// <type> ::= <pointer-to-member-type> 1006// <pointer-to-member-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> 1007// <class name> <type> 1008void MicrosoftCXXNameMangler::mangleType(const MemberPointerType *T) { 1009 QualType PointeeType = T->getPointeeType(); 1010 if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(PointeeType)) { 1011 Out << '8'; 1012 mangleName(cast<RecordType>(T->getClass())->getDecl()); 1013 mangleType(FPT, NULL, false, true); 1014 } else { 1015 mangleQualifiers(PointeeType.getQualifiers(), true); 1016 mangleName(cast<RecordType>(T->getClass())->getDecl()); 1017 mangleType(PointeeType.getLocalUnqualifiedType()); 1018 } 1019} 1020 1021void MicrosoftCXXNameMangler::mangleType(const TemplateTypeParmType *T) { 1022 assert(false && "Don't know how to mangle TemplateTypeParmTypes yet!"); 1023} 1024 1025// <type> ::= <pointer-type> 1026// <pointer-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> <type> 1027void MicrosoftCXXNameMangler::mangleType(const PointerType *T) { 1028 QualType PointeeTy = T->getPointeeType(); 1029 if (PointeeTy->isArrayType()) { 1030 // Pointers to arrays are mangled like arrays. 1031 mangleExtraDimensions(T->getPointeeType()); 1032 } else if (PointeeTy->isFunctionType()) { 1033 // Function pointers are special. 1034 Out << '6'; 1035 mangleType(static_cast<const FunctionType *>(PointeeTy.getTypePtr()), 1036 NULL, false, false); 1037 } else { 1038 if (!PointeeTy.hasQualifiers()) 1039 // Lack of qualifiers is mangled as 'A'. 1040 Out << 'A'; 1041 mangleType(PointeeTy); 1042 } 1043} 1044void MicrosoftCXXNameMangler::mangleType(const ObjCObjectPointerType *T) { 1045 // Object pointers never have qualifiers. 1046 Out << 'A'; 1047 mangleType(T->getPointeeType()); 1048} 1049 1050// <type> ::= <reference-type> 1051// <reference-type> ::= A <cvr-qualifiers> <type> 1052void MicrosoftCXXNameMangler::mangleType(const LValueReferenceType *T) { 1053 Out << 'A'; 1054 QualType PointeeTy = T->getPointeeType(); 1055 if (!PointeeTy.hasQualifiers()) 1056 // Lack of qualifiers is mangled as 'A'. 1057 Out << 'A'; 1058 mangleType(PointeeTy); 1059} 1060 1061void MicrosoftCXXNameMangler::mangleType(const RValueReferenceType *T) { 1062 assert(false && "Don't know how to mangle RValueReferenceTypes yet!"); 1063} 1064 1065void MicrosoftCXXNameMangler::mangleType(const ComplexType *T) { 1066 assert(false && "Don't know how to mangle ComplexTypes yet!"); 1067} 1068 1069void MicrosoftCXXNameMangler::mangleType(const VectorType *T) { 1070 assert(false && "Don't know how to mangle VectorTypes yet!"); 1071} 1072void MicrosoftCXXNameMangler::mangleType(const ExtVectorType *T) { 1073 assert(false && "Don't know how to mangle ExtVectorTypes yet!"); 1074} 1075void MicrosoftCXXNameMangler::mangleType(const DependentSizedExtVectorType *T) { 1076 assert(false && "Don't know how to mangle DependentSizedExtVectorTypes yet!"); 1077} 1078 1079void MicrosoftCXXNameMangler::mangleType(const ObjCInterfaceType *T) { 1080 // ObjC interfaces have structs underlying them. 1081 Out << 'U'; 1082 mangleName(T->getDecl()); 1083} 1084 1085void MicrosoftCXXNameMangler::mangleType(const ObjCObjectType *T) { 1086 // We don't allow overloading by different protocol qualification, 1087 // so mangling them isn't necessary. 1088 mangleType(T->getBaseType()); 1089} 1090 1091void MicrosoftCXXNameMangler::mangleType(const BlockPointerType *T) { 1092 Out << "_E"; 1093 mangleType(T->getPointeeType()); 1094} 1095 1096void MicrosoftCXXNameMangler::mangleType(const InjectedClassNameType *T) { 1097 assert(false && "Don't know how to mangle InjectedClassNameTypes yet!"); 1098} 1099 1100void MicrosoftCXXNameMangler::mangleType(const TemplateSpecializationType *T) { 1101 assert(false && "Don't know how to mangle TemplateSpecializationTypes yet!"); 1102} 1103 1104void MicrosoftCXXNameMangler::mangleType(const DependentNameType *T) { 1105 assert(false && "Don't know how to mangle DependentNameTypes yet!"); 1106} 1107 1108void MicrosoftCXXNameMangler::mangleType( 1109 const DependentTemplateSpecializationType *T) { 1110 assert(false && 1111 "Don't know how to mangle DependentTemplateSpecializationTypes yet!"); 1112} 1113 1114void MicrosoftCXXNameMangler::mangleType(const TypeOfType *T) { 1115 assert(false && "Don't know how to mangle TypeOfTypes yet!"); 1116} 1117 1118void MicrosoftCXXNameMangler::mangleType(const TypeOfExprType *T) { 1119 assert(false && "Don't know how to mangle TypeOfExprTypes yet!"); 1120} 1121 1122void MicrosoftCXXNameMangler::mangleType(const DecltypeType *T) { 1123 assert(false && "Don't know how to mangle DecltypeTypes yet!"); 1124} 1125 1126void MicrosoftMangleContext::mangleName(const NamedDecl *D, 1127 llvm::SmallVectorImpl<char> &Name) { 1128 assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) && 1129 "Invalid mangleName() call, argument is not a variable or function!"); 1130 assert(!isa<CXXConstructorDecl>(D) && !isa<CXXDestructorDecl>(D) && 1131 "Invalid mangleName() call on 'structor decl!"); 1132 1133 PrettyStackTraceDecl CrashInfo(D, SourceLocation(), 1134 getASTContext().getSourceManager(), 1135 "Mangling declaration"); 1136 1137 MicrosoftCXXNameMangler Mangler(*this, Name); 1138 return Mangler.mangle(D); 1139} 1140void MicrosoftMangleContext::mangleThunk(const CXXMethodDecl *MD, 1141 const ThunkInfo &Thunk, 1142 llvm::SmallVectorImpl<char> &) { 1143 assert(false && "Can't yet mangle thunks!"); 1144} 1145void MicrosoftMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD, 1146 CXXDtorType Type, 1147 const ThisAdjustment &, 1148 llvm::SmallVectorImpl<char> &) { 1149 assert(false && "Can't yet mangle destructor thunks!"); 1150} 1151void MicrosoftMangleContext::mangleGuardVariable(const VarDecl *D, 1152 llvm::SmallVectorImpl<char> &) { 1153 assert(false && "Can't yet mangle guard variables!"); 1154} 1155void MicrosoftMangleContext::mangleCXXVTable(const CXXRecordDecl *RD, 1156 llvm::SmallVectorImpl<char> &) { 1157 assert(false && "Can't yet mangle virtual tables!"); 1158} 1159void MicrosoftMangleContext::mangleCXXVTT(const CXXRecordDecl *RD, 1160 llvm::SmallVectorImpl<char> &) { 1161 llvm_unreachable("The MS C++ ABI does not have virtual table tables!"); 1162} 1163void MicrosoftMangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD, 1164 int64_t Offset, 1165 const CXXRecordDecl *Type, 1166 llvm::SmallVectorImpl<char> &) { 1167 llvm_unreachable("The MS C++ ABI does not have constructor vtables!"); 1168} 1169void MicrosoftMangleContext::mangleCXXRTTI(QualType T, 1170 llvm::SmallVectorImpl<char> &) { 1171 assert(false && "Can't yet mangle RTTI!"); 1172} 1173void MicrosoftMangleContext::mangleCXXRTTIName(QualType T, 1174 llvm::SmallVectorImpl<char> &) { 1175 assert(false && "Can't yet mangle RTTI names!"); 1176} 1177void MicrosoftMangleContext::mangleCXXCtor(const CXXConstructorDecl *D, 1178 CXXCtorType Type, 1179 llvm::SmallVectorImpl<char> &) { 1180 assert(false && "Can't yet mangle constructors!"); 1181} 1182void MicrosoftMangleContext::mangleCXXDtor(const CXXDestructorDecl *D, 1183 CXXDtorType Type, 1184 llvm::SmallVectorImpl<char> &) { 1185 assert(false && "Can't yet mangle destructors!"); 1186} 1187 1188CXXABI *clang::CodeGen::CreateMicrosoftCXXABI(CodeGenModule &CGM) { 1189 return new MicrosoftCXXABI(CGM); 1190} 1191 1192