class CXXRecordDecl;
class Decl;
class FieldDecl;
+ class MangleContext;
class ObjCIvarDecl;
class ObjCIvarRefExpr;
class ObjCPropertyDecl;
bool isNearlyEmpty(const CXXRecordDecl *RD) const;
+ MangleContext *createMangleContext();
+
void ShallowCollectObjCIvars(const ObjCInterfaceDecl *OI,
llvm::SmallVectorImpl<ObjCIvarDecl*> &Ivars)
const;
//
//===----------------------------------------------------------------------===//
//
-// Implements C++ name mangling according to the Itanium C++ ABI,
-// which is used in GCC 3.2 and newer (and many compilers that are
-// ABI-compatible with GCC):
-//
-// http://www.codesourcery.com/public/cxx-abi/abi.html
+// Defines the C++ name mangling interface.
//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_CLANG_CODEGEN_MANGLE_H
-#define LLVM_CLANG_CODEGEN_MANGLE_H
+#ifndef LLVM_CLANG_AST_MANGLE_H
+#define LLVM_CLANG_AST_MANGLE_H
-#include "CGCXX.h"
-#include "GlobalDecl.h"
#include "clang/AST/Type.h"
+#include "clang/Basic/ABI.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/SmallString.h"
class NamedDecl;
class ObjCMethodDecl;
class VarDecl;
-
-namespace CodeGen {
struct ThisAdjustment;
struct ThunkInfo;
ASTContext &Context;
Diagnostic &Diags;
- llvm::DenseMap<const TagDecl *, uint64_t> AnonStructIds;
- unsigned Discriminator;
- llvm::DenseMap<const NamedDecl*, unsigned> Uniquifier;
llvm::DenseMap<const BlockDecl*, unsigned> GlobalBlockIds;
llvm::DenseMap<const BlockDecl*, unsigned> LocalBlockIds;
Diagnostic &getDiags() const { return Diags; }
- void startNewFunction() { LocalBlockIds.clear(); }
+ virtual void startNewFunction() { LocalBlockIds.clear(); }
- uint64_t getAnonymousStructId(const TagDecl *TD) {
- std::pair<llvm::DenseMap<const TagDecl *,
- uint64_t>::iterator, bool> Result =
- AnonStructIds.insert(std::make_pair(TD, AnonStructIds.size()));
- return Result.first->second;
- }
-
unsigned getBlockId(const BlockDecl *BD, bool Local) {
llvm::DenseMap<const BlockDecl *, unsigned> &BlockIds
= Local? LocalBlockIds : GlobalBlockIds;
/// @name Mangler Entry Points
/// @{
- virtual bool shouldMangleDeclName(const NamedDecl *D);
- virtual void mangleName(const NamedDecl *D, llvm::SmallVectorImpl<char> &);
+ virtual bool shouldMangleDeclName(const NamedDecl *D) = 0;
+ virtual void mangleName(const NamedDecl *D, llvm::SmallVectorImpl<char> &)=0;
virtual void mangleThunk(const CXXMethodDecl *MD,
const ThunkInfo &Thunk,
- llvm::SmallVectorImpl<char> &);
+ llvm::SmallVectorImpl<char> &) = 0;
virtual void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type,
const ThisAdjustment &ThisAdjustment,
- llvm::SmallVectorImpl<char> &);
+ llvm::SmallVectorImpl<char> &) = 0;
virtual void mangleReferenceTemporary(const VarDecl *D,
- llvm::SmallVectorImpl<char> &);
+ llvm::SmallVectorImpl<char> &) = 0;
virtual void mangleCXXVTable(const CXXRecordDecl *RD,
- llvm::SmallVectorImpl<char> &);
+ llvm::SmallVectorImpl<char> &) = 0;
virtual void mangleCXXVTT(const CXXRecordDecl *RD,
- llvm::SmallVectorImpl<char> &);
+ llvm::SmallVectorImpl<char> &) = 0;
virtual void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset,
const CXXRecordDecl *Type,
- llvm::SmallVectorImpl<char> &);
- virtual void mangleCXXRTTI(QualType T, llvm::SmallVectorImpl<char> &);
- virtual void mangleCXXRTTIName(QualType T, llvm::SmallVectorImpl<char> &);
+ llvm::SmallVectorImpl<char> &) = 0;
+ virtual void mangleCXXRTTI(QualType T, llvm::SmallVectorImpl<char> &) = 0;
+ virtual void mangleCXXRTTIName(QualType T, llvm::SmallVectorImpl<char> &) = 0;
virtual void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type,
- llvm::SmallVectorImpl<char> &);
+ llvm::SmallVectorImpl<char> &) = 0;
virtual void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type,
- llvm::SmallVectorImpl<char> &);
- void mangleBlock(GlobalDecl GD,
- const BlockDecl *BD, llvm::SmallVectorImpl<char> &);
+ llvm::SmallVectorImpl<char> &) = 0;
+
+ void mangleGlobalBlock(const BlockDecl *BD,
+ llvm::SmallVectorImpl<char> &Res);
+ void mangleCtorBlock(const CXXConstructorDecl *CD, CXXCtorType CT,
+ const BlockDecl *BD, llvm::SmallVectorImpl<char> &Res);
+ void mangleDtorBlock(const CXXDestructorDecl *CD, CXXDtorType DT,
+ const BlockDecl *BD, llvm::SmallVectorImpl<char> &Res);
+ void mangleBlock(const DeclContext *DC, const BlockDecl *BD,
+ llvm::SmallVectorImpl<char> &Res);
+ // Do the right thing.
+ void mangleBlock(const BlockDecl *BD, llvm::SmallVectorImpl<char> &Res);
+
+ void mangleObjCMethodName(const ObjCMethodDecl *MD,
+ llvm::SmallVectorImpl<char> &);
// This is pretty lame.
- void mangleItaniumGuardVariable(const VarDecl *D,
- llvm::SmallVectorImpl<char> &);
-
- void mangleInitDiscriminator() {
- Discriminator = 0;
- }
-
- bool getNextDiscriminator(const NamedDecl *ND, unsigned &disc) {
- unsigned &discriminator = Uniquifier[ND];
- if (!discriminator)
- discriminator = ++Discriminator;
- if (discriminator == 1)
- return false;
- disc = discriminator-2;
- return true;
+ virtual void mangleItaniumGuardVariable(const VarDecl *D,
+ llvm::SmallVectorImpl<char> &) {
+ assert(0 && "Target does not support mangling guard variables");
}
/// @}
};
-/// MiscNameMangler - Mangles Objective-C method names and blocks.
-class MiscNameMangler {
- MangleContext &Context;
- llvm::raw_svector_ostream Out;
-
- ASTContext &getASTContext() const { return Context.getASTContext(); }
-
-public:
- MiscNameMangler(MangleContext &C, llvm::SmallVectorImpl<char> &Res);
-
- llvm::raw_svector_ostream &getStream() { return Out; }
-
- void mangleBlock(GlobalDecl GD, const BlockDecl *BD);
- void mangleObjCMethodName(const ObjCMethodDecl *MD);
-};
+MangleContext *createItaniumMangleContext(ASTContext &Context,
+ Diagnostic &Diags);
+MangleContext *createMicrosoftMangleContext(ASTContext &Context,
+ Diagnostic &Diags);
-}
}
#endif
--- /dev/null
+//===----- ABI.h - ABI related declarations ---------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// These enums/classes describe ABI related information about constructors,
+// destructors and thunks.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_BASIC_ABI_H
+#define CLANG_BASIC_ABI_H
+
+#include <stdint.h>
+
+namespace clang {
+
+/// CXXCtorType - C++ constructor types
+enum CXXCtorType {
+ Ctor_Complete, // Complete object ctor
+ Ctor_Base, // Base object ctor
+ Ctor_CompleteAllocating // Complete object allocating ctor
+};
+
+/// CXXDtorType - C++ destructor types
+enum CXXDtorType {
+ Dtor_Deleting, // Deleting dtor
+ Dtor_Complete, // Complete object dtor
+ Dtor_Base // Base object dtor
+};
+
+/// ReturnAdjustment - A return adjustment.
+struct ReturnAdjustment {
+ /// NonVirtual - The non-virtual adjustment from the derived object to its
+ /// nearest virtual base.
+ int64_t NonVirtual;
+
+ /// VBaseOffsetOffset - The offset (in bytes), relative to the address point
+ /// of the virtual base class offset.
+ int64_t VBaseOffsetOffset;
+
+ ReturnAdjustment() : NonVirtual(0), VBaseOffsetOffset(0) { }
+
+ bool isEmpty() const { return !NonVirtual && !VBaseOffsetOffset; }
+
+ friend bool operator==(const ReturnAdjustment &LHS,
+ const ReturnAdjustment &RHS) {
+ return LHS.NonVirtual == RHS.NonVirtual &&
+ LHS.VBaseOffsetOffset == RHS.VBaseOffsetOffset;
+ }
+
+ friend bool operator<(const ReturnAdjustment &LHS,
+ const ReturnAdjustment &RHS) {
+ if (LHS.NonVirtual < RHS.NonVirtual)
+ return true;
+
+ return LHS.NonVirtual == RHS.NonVirtual &&
+ LHS.VBaseOffsetOffset < RHS.VBaseOffsetOffset;
+ }
+};
+
+/// ThisAdjustment - A 'this' pointer adjustment.
+struct ThisAdjustment {
+ /// NonVirtual - The non-virtual adjustment from the derived object to its
+ /// nearest virtual base.
+ int64_t NonVirtual;
+
+ /// VCallOffsetOffset - The offset (in bytes), relative to the address point,
+ /// of the virtual call offset.
+ int64_t VCallOffsetOffset;
+
+ ThisAdjustment() : NonVirtual(0), VCallOffsetOffset(0) { }
+
+ bool isEmpty() const { return !NonVirtual && !VCallOffsetOffset; }
+
+ friend bool operator==(const ThisAdjustment &LHS,
+ const ThisAdjustment &RHS) {
+ return LHS.NonVirtual == RHS.NonVirtual &&
+ LHS.VCallOffsetOffset == RHS.VCallOffsetOffset;
+ }
+
+ friend bool operator<(const ThisAdjustment &LHS,
+ const ThisAdjustment &RHS) {
+ if (LHS.NonVirtual < RHS.NonVirtual)
+ return true;
+
+ return LHS.NonVirtual == RHS.NonVirtual &&
+ LHS.VCallOffsetOffset < RHS.VCallOffsetOffset;
+ }
+};
+
+/// ThunkInfo - The 'this' pointer adjustment as well as an optional return
+/// adjustment for a thunk.
+struct ThunkInfo {
+ /// This - The 'this' pointer adjustment.
+ ThisAdjustment This;
+
+ /// Return - The return adjustment.
+ ReturnAdjustment Return;
+
+ ThunkInfo() { }
+
+ ThunkInfo(const ThisAdjustment &This, const ReturnAdjustment &Return)
+ : This(This), Return(Return) { }
+
+ friend bool operator==(const ThunkInfo &LHS, const ThunkInfo &RHS) {
+ return LHS.This == RHS.This && LHS.Return == RHS.Return;
+ }
+
+ friend bool operator<(const ThunkInfo &LHS, const ThunkInfo &RHS) {
+ if (LHS.This < RHS.This)
+ return true;
+
+ return LHS.This == RHS.This && LHS.Return < RHS.Return;
+ }
+
+ bool isEmpty() const { return This.isEmpty() && Return.isEmpty(); }
+};
+
+} // end namespace clang
+
+#endif // CLANG_BASIC_ABI_H
#include "clang/AST/ExternalASTSource.h"
#include "clang/AST/ASTMutationListener.h"
#include "clang/AST/RecordLayout.h"
+#include "clang/AST/Mangle.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/TargetInfo.h"
return ABI->isNearlyEmpty(RD);
}
+MangleContext *ASTContext::createMangleContext() {
+ switch (Target.getCXXABI()) {
+ case CXXABI_ARM:
+ case CXXABI_Itanium:
+ return createItaniumMangleContext(*this, getDiagnostics());
+ case CXXABI_Microsoft:
+ return createMicrosoftMangleContext(*this, getDiagnostics());
+ }
+ assert(0 && "Unsupported ABI");
+ return 0;
+}
+
CXXABI::~CXXABI() {}
ExprCXX.cpp
InheritViz.cpp
ItaniumCXXABI.cpp
+ ItaniumMangle.cpp
+ Mangle.cpp
MicrosoftCXXABI.cpp
+ MicrosoftMangle.cpp
NestedNameSpecifier.cpp
ParentMap.cpp
RecordLayout.cpp
-//===--- Mangle.cpp - Mangle C++ Names --------------------------*- C++ -*-===//
+//===--- ItaniumMangle.cpp - Itanium C++ Name Mangling ----------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// http://www.codesourcery.com/public/cxx-abi/abi.html
//
//===----------------------------------------------------------------------===//
-#include "Mangle.h"
+#include "clang/AST/Mangle.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/ExprCXX.h"
+#include "clang/Basic/ABI.h"
#include "clang/Basic/SourceManager.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/ErrorHandling.h"
-#include "CGVTables.h"
#define MANGLE_CHECKER 0
#endif
using namespace clang;
-using namespace CodeGen;
-
-MiscNameMangler::MiscNameMangler(MangleContext &C,
- llvm::SmallVectorImpl<char> &Res)
- : Context(C), Out(Res) { }
-
-void MiscNameMangler::mangleBlock(GlobalDecl GD, const BlockDecl *BD) {
- // Mangle the context of the block.
- // FIXME: We currently mimic GCC's mangling scheme, which leaves much to be
- // desired. Come up with a better mangling scheme.
- const DeclContext *DC = BD->getDeclContext();
- while (isa<BlockDecl>(DC) || isa<EnumDecl>(DC))
- DC = DC->getParent();
- if (DC->isFunctionOrMethod()) {
- Out << "__";
- if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC))
- mangleObjCMethodName(Method);
- else {
- const NamedDecl *ND = cast<NamedDecl>(DC);
- if (IdentifierInfo *II = ND->getIdentifier())
- Out << II->getName();
- else if (const CXXDestructorDecl *D = dyn_cast<CXXDestructorDecl>(ND)) {
- llvm::SmallString<64> Buffer;
- Context.mangleCXXDtor(D, GD.getDtorType(), Buffer);
- Out << Buffer;
- }
- else if (const CXXConstructorDecl *D = dyn_cast<CXXConstructorDecl>(ND)) {
- llvm::SmallString<64> Buffer;
- Context.mangleCXXCtor(D, GD.getCtorType(), Buffer);
- Out << Buffer;
- }
- else {
- // FIXME: We were doing a mangleUnqualifiedName() before, but that's
- // a private member of a class that will soon itself be private to the
- // Itanium C++ ABI object. What should we do now? Right now, I'm just
- // calling the mangleName() method on the MangleContext; is there a
- // better way?
- llvm::SmallString<64> Buffer;
- Context.mangleName(ND, Buffer);
- Out << Buffer;
- }
- }
- Out << "_block_invoke_" << Context.getBlockId(BD, true);
- } else {
- Out << "__block_global_" << Context.getBlockId(BD, false);
- }
-}
-
-void MiscNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) {
- llvm::SmallString<64> Name;
- llvm::raw_svector_ostream OS(Name);
-
- const ObjCContainerDecl *CD =
- dyn_cast<ObjCContainerDecl>(MD->getDeclContext());
- assert (CD && "Missing container decl in GetNameForMethod");
- OS << (MD->isInstanceMethod() ? '-' : '+') << '[' << CD->getName();
- if (const ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(CD))
- OS << '(' << CID << ')';
- OS << ' ' << MD->getSelector().getAsString() << ']';
-
- Out << OS.str().size() << OS.str();
-}
namespace {
static const unsigned UnknownArity = ~0U;
+class ItaniumMangleContext : public MangleContext {
+ llvm::DenseMap<const TagDecl *, uint64_t> AnonStructIds;
+ unsigned Discriminator;
+ llvm::DenseMap<const NamedDecl*, unsigned> Uniquifier;
+
+public:
+ explicit ItaniumMangleContext(ASTContext &Context,
+ Diagnostic &Diags)
+ : MangleContext(Context, Diags) { }
+
+ uint64_t getAnonymousStructId(const TagDecl *TD) {
+ std::pair<llvm::DenseMap<const TagDecl *,
+ uint64_t>::iterator, bool> Result =
+ AnonStructIds.insert(std::make_pair(TD, AnonStructIds.size()));
+ return Result.first->second;
+ }
+
+ void startNewFunction() {
+ MangleContext::startNewFunction();
+ mangleInitDiscriminator();
+ }
+
+ /// @name Mangler Entry Points
+ /// @{
+
+ bool shouldMangleDeclName(const NamedDecl *D);
+ void mangleName(const NamedDecl *D, llvm::SmallVectorImpl<char> &);
+ void mangleThunk(const CXXMethodDecl *MD,
+ const ThunkInfo &Thunk,
+ llvm::SmallVectorImpl<char> &);
+ void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type,
+ const ThisAdjustment &ThisAdjustment,
+ llvm::SmallVectorImpl<char> &);
+ void mangleReferenceTemporary(const VarDecl *D,
+ llvm::SmallVectorImpl<char> &);
+ void mangleCXXVTable(const CXXRecordDecl *RD,
+ llvm::SmallVectorImpl<char> &);
+ void mangleCXXVTT(const CXXRecordDecl *RD,
+ llvm::SmallVectorImpl<char> &);
+ void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset,
+ const CXXRecordDecl *Type,
+ llvm::SmallVectorImpl<char> &);
+ void mangleCXXRTTI(QualType T, llvm::SmallVectorImpl<char> &);
+ void mangleCXXRTTIName(QualType T, llvm::SmallVectorImpl<char> &);
+ void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type,
+ llvm::SmallVectorImpl<char> &);
+ void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type,
+ llvm::SmallVectorImpl<char> &);
+
+ void mangleItaniumGuardVariable(const VarDecl *D,
+ llvm::SmallVectorImpl<char> &);
+
+ void mangleInitDiscriminator() {
+ Discriminator = 0;
+ }
+
+ bool getNextDiscriminator(const NamedDecl *ND, unsigned &disc) {
+ unsigned &discriminator = Uniquifier[ND];
+ if (!discriminator)
+ discriminator = ++Discriminator;
+ if (discriminator == 1)
+ return false;
+ disc = discriminator-2;
+ return true;
+ }
+ /// @}
+};
+
/// CXXNameMangler - Manage the mangling of a single name.
class CXXNameMangler {
- MangleContext &Context;
+ ItaniumMangleContext &Context;
llvm::raw_svector_ostream Out;
const CXXMethodDecl *Structor;
ASTContext &getASTContext() const { return Context.getASTContext(); }
public:
- CXXNameMangler(MangleContext &C, llvm::SmallVectorImpl<char> &Res)
+ CXXNameMangler(ItaniumMangleContext &C, llvm::SmallVectorImpl<char> &Res)
: Context(C), Out(Res), Structor(0), StructorType(0), SeqID(0) { }
- CXXNameMangler(MangleContext &C, llvm::SmallVectorImpl<char> &Res,
+ CXXNameMangler(ItaniumMangleContext &C, llvm::SmallVectorImpl<char> &Res,
const CXXConstructorDecl *D, CXXCtorType Type)
: Context(C), Out(Res), Structor(getStructor(D)), StructorType(Type),
SeqID(0) { }
- CXXNameMangler(MangleContext &C, llvm::SmallVectorImpl<char> &Res,
+ CXXNameMangler(ItaniumMangleContext &C, llvm::SmallVectorImpl<char> &Res,
const CXXDestructorDecl *D, CXXDtorType Type)
: Context(C), Out(Res), Structor(getStructor(D)), StructorType(Type),
SeqID(0) { }
void mangleTemplateParameter(unsigned Index);
};
+
}
static bool isInCLinkageSpecification(const Decl *D) {
return false;
}
-bool MangleContext::shouldMangleDeclName(const NamedDecl *D) {
+bool ItaniumMangleContext::shouldMangleDeclName(const NamedDecl *D) {
// In C, functions with no attributes never need to be mangled. Fastpath them.
if (!getASTContext().getLangOptions().CPlusPlus && !D->hasAttrs())
return false;
if (const BlockDecl *Block = dyn_cast<BlockDecl>(DC)) {
manglePrefix(DC->getParent(), NoFunction);
llvm::SmallString<64> Name;
- Context.mangleBlock(GlobalDecl(), Block, Name);
+ Context.mangleBlock(Block, Name);
Out << Name.size() << Name;
return;
}
void CXXNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) {
llvm::SmallString<64> Buffer;
- MiscNameMangler(Context, Buffer).mangleObjCMethodName(MD);
+ Context.mangleObjCMethodName(MD, Buffer);
Out << Buffer;
}
/// and this routine will return false. In this case, the caller should just
/// emit the identifier of the declaration (\c D->getIdentifier()) as its
/// name.
-void MangleContext::mangleName(const NamedDecl *D,
- llvm::SmallVectorImpl<char> &Res) {
+void ItaniumMangleContext::mangleName(const NamedDecl *D,
+ llvm::SmallVectorImpl<char> &Res) {
assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) &&
"Invalid mangleName() call, argument is not a variable or function!");
assert(!isa<CXXConstructorDecl>(D) && !isa<CXXDestructorDecl>(D) &&
return Mangler.mangle(D);
}
-void MangleContext::mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type,
- llvm::SmallVectorImpl<char> &Res) {
+void ItaniumMangleContext::mangleCXXCtor(const CXXConstructorDecl *D,
+ CXXCtorType Type,
+ llvm::SmallVectorImpl<char> &Res) {
CXXNameMangler Mangler(*this, Res, D, Type);
Mangler.mangle(D);
}
-void MangleContext::mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type,
- llvm::SmallVectorImpl<char> &Res) {
+void ItaniumMangleContext::mangleCXXDtor(const CXXDestructorDecl *D,
+ CXXDtorType Type,
+ llvm::SmallVectorImpl<char> &Res) {
CXXNameMangler Mangler(*this, Res, D, Type);
Mangler.mangle(D);
}
-void MangleContext::mangleBlock(GlobalDecl GD, const BlockDecl *BD,
- llvm::SmallVectorImpl<char> &Res) {
- MiscNameMangler Mangler(*this, Res);
- Mangler.mangleBlock(GD, BD);
-}
-
-void MangleContext::mangleThunk(const CXXMethodDecl *MD,
- const ThunkInfo &Thunk,
- llvm::SmallVectorImpl<char> &Res) {
+void ItaniumMangleContext::mangleThunk(const CXXMethodDecl *MD,
+ const ThunkInfo &Thunk,
+ llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= T <call-offset> <base encoding>
// # base is the nominal target function of thunk
// <special-name> ::= Tc <call-offset> <call-offset> <base encoding>
}
void
-MangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type,
- const ThisAdjustment &ThisAdjustment,
- llvm::SmallVectorImpl<char> &Res) {
+ItaniumMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD,
+ CXXDtorType Type,
+ const ThisAdjustment &ThisAdjustment,
+ llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= T <call-offset> <base encoding>
// # base is the nominal target function of thunk
/// mangleGuardVariable - Returns the mangled name for a guard variable
/// for the passed in VarDecl.
-void MangleContext::mangleItaniumGuardVariable(const VarDecl *D,
- llvm::SmallVectorImpl<char> &Res) {
+void ItaniumMangleContext::mangleItaniumGuardVariable(const VarDecl *D,
+ llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= GV <object name> # Guard variable for one-time
// # initialization
CXXNameMangler Mangler(*this, Res);
Mangler.mangleName(D);
}
-void MangleContext::mangleReferenceTemporary(const VarDecl *D,
+void ItaniumMangleContext::mangleReferenceTemporary(const VarDecl *D,
llvm::SmallVectorImpl<char> &Res) {
// We match the GCC mangling here.
// <special-name> ::= GR <object name>
Mangler.mangleName(D);
}
-void MangleContext::mangleCXXVTable(const CXXRecordDecl *RD,
- llvm::SmallVectorImpl<char> &Res) {
+void ItaniumMangleContext::mangleCXXVTable(const CXXRecordDecl *RD,
+ llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= TV <type> # virtual table
CXXNameMangler Mangler(*this, Res);
Mangler.getStream() << "_ZTV";
Mangler.mangleNameOrStandardSubstitution(RD);
}
-void MangleContext::mangleCXXVTT(const CXXRecordDecl *RD,
- llvm::SmallVectorImpl<char> &Res) {
+void ItaniumMangleContext::mangleCXXVTT(const CXXRecordDecl *RD,
+ llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= TT <type> # VTT structure
CXXNameMangler Mangler(*this, Res);
Mangler.getStream() << "_ZTT";
Mangler.mangleNameOrStandardSubstitution(RD);
}
-void MangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset,
- const CXXRecordDecl *Type,
- llvm::SmallVectorImpl<char> &Res) {
+void ItaniumMangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD,
+ int64_t Offset,
+ const CXXRecordDecl *Type,
+ llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= TC <type> <offset number> _ <base type>
CXXNameMangler Mangler(*this, Res);
Mangler.getStream() << "_ZTC";
Mangler.mangleNameOrStandardSubstitution(Type);
}
-void MangleContext::mangleCXXRTTI(QualType Ty,
- llvm::SmallVectorImpl<char> &Res) {
+void ItaniumMangleContext::mangleCXXRTTI(QualType Ty,
+ llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= TI <type> # typeinfo structure
assert(!Ty.hasQualifiers() && "RTTI info cannot have top-level qualifiers");
CXXNameMangler Mangler(*this, Res);
Mangler.mangleType(Ty);
}
-void MangleContext::mangleCXXRTTIName(QualType Ty,
- llvm::SmallVectorImpl<char> &Res) {
+void ItaniumMangleContext::mangleCXXRTTIName(QualType Ty,
+ llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= TS <type> # typeinfo name (null terminated byte string)
CXXNameMangler Mangler(*this, Res);
Mangler.getStream() << "_ZTS";
Mangler.mangleType(Ty);
}
+
+MangleContext *clang::createItaniumMangleContext(ASTContext &Context,
+ Diagnostic &Diags) {
+ return new ItaniumMangleContext(Context, Diags);
+}
--- /dev/null
+//===--- Mangle.cpp - Mangle C++ Names --------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Implements generic name mangling support for blocks and Objective-C.
+//
+//===----------------------------------------------------------------------===//
+#include "clang/AST/Mangle.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/Decl.h"
+#include "clang/AST/DeclCXX.h"
+#include "clang/AST/DeclObjC.h"
+#include "clang/AST/DeclTemplate.h"
+#include "clang/AST/ExprCXX.h"
+#include "clang/Basic/ABI.h"
+#include "clang/Basic/SourceManager.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/ErrorHandling.h"
+
+#define MANGLE_CHECKER 0
+
+#if MANGLE_CHECKER
+#include <cxxabi.h>
+#endif
+
+using namespace clang;
+
+// FIXME: For blocks we currently mimic GCC's mangling scheme, which leaves
+// much to be desired. Come up with a better mangling scheme.
+
+namespace {
+
+static void mangleFunctionBlock(MangleContext &Context,
+ llvm::StringRef Outer,
+ const BlockDecl *BD,
+ llvm::SmallVectorImpl<char> &Res) {
+ llvm::raw_svector_ostream Out(Res);
+ Out << "__" << Outer << "_block_invoke_" << Context.getBlockId(BD, true);
+}
+
+static void checkMangleDC(const DeclContext *DC, const BlockDecl *BD) {
+#ifndef NDEBUG
+ const DeclContext *ExpectedDC = BD->getDeclContext();
+ while (isa<BlockDecl>(ExpectedDC) || isa<EnumDecl>(ExpectedDC))
+ ExpectedDC = ExpectedDC->getParent();
+ assert(DC == ExpectedDC && "Given decl context did not match expected!");
+#endif
+}
+
+}
+
+void MangleContext::mangleGlobalBlock(const BlockDecl *BD,
+ llvm::SmallVectorImpl<char> &Res) {
+ llvm::raw_svector_ostream Out(Res);
+ Out << "__block_global_" << getBlockId(BD, false);
+}
+
+void MangleContext::mangleCtorBlock(const CXXConstructorDecl *CD,
+ CXXCtorType CT, const BlockDecl *BD,
+ llvm::SmallVectorImpl<char> &Res) {
+ checkMangleDC(CD, BD);
+ llvm::SmallString<64> Buffer;
+ mangleCXXCtor(CD, CT, Buffer);
+ mangleFunctionBlock(*this, Buffer, BD, Res);
+}
+
+void MangleContext::mangleDtorBlock(const CXXDestructorDecl *DD,
+ CXXDtorType DT, const BlockDecl *BD,
+ llvm::SmallVectorImpl<char> &Res) {
+ checkMangleDC(DD, BD);
+ llvm::SmallString<64> Buffer;
+ mangleCXXDtor(DD, DT, Buffer);
+ mangleFunctionBlock(*this, Buffer, BD, Res);
+}
+
+void MangleContext::mangleBlock(const DeclContext *DC, const BlockDecl *BD,
+ llvm::SmallVectorImpl<char> &Res) {
+ assert(!isa<CXXConstructorDecl>(DC) && !isa<CXXDestructorDecl>(DC));
+ checkMangleDC(DC, BD);
+
+ llvm::SmallString<64> Buffer;
+ if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC)) {
+ mangleObjCMethodName(Method, Buffer);
+ } else {
+ const NamedDecl *ND = cast<NamedDecl>(DC);
+ if (IdentifierInfo *II = ND->getIdentifier())
+ Buffer = II->getName();
+ else {
+ // FIXME: We were doing a mangleUnqualifiedName() before, but that's
+ // a private member of a class that will soon itself be private to the
+ // Itanium C++ ABI object. What should we do now? Right now, I'm just
+ // calling the mangleName() method on the MangleContext; is there a
+ // better way?
+ mangleName(ND, Buffer);
+ }
+ }
+
+ mangleFunctionBlock(*this, Buffer, BD, Res);
+}
+
+void MangleContext::mangleObjCMethodName(const ObjCMethodDecl *MD,
+ llvm::SmallVectorImpl<char> &Res) {
+ llvm::SmallString<64> Name;
+ llvm::raw_svector_ostream OS(Name), Out(Res);
+
+ const ObjCContainerDecl *CD =
+ dyn_cast<ObjCContainerDecl>(MD->getDeclContext());
+ assert (CD && "Missing container decl in GetNameForMethod");
+ OS << (MD->isInstanceMethod() ? '-' : '+') << '[' << CD->getName();
+ if (const ObjCCategoryImplDecl *CID = dyn_cast<ObjCCategoryImplDecl>(CD))
+ OS << '(' << CID << ')';
+ OS << ' ' << MD->getSelector().getAsString() << ']';
+
+ Out << OS.str().size() << OS.str();
+}
+
+void MangleContext::mangleBlock(const BlockDecl *BD,
+ llvm::SmallVectorImpl<char> &Res) {
+ const DeclContext *DC = BD->getDeclContext();
+ while (isa<BlockDecl>(DC) || isa<EnumDecl>(DC))
+ DC = DC->getParent();
+ if (DC->isFunctionOrMethod())
+ mangleBlock(DC, BD, Res);
+ else
+ mangleGlobalBlock(BD, Res);
+}
--- /dev/null
+//===--- MicrosoftMangle.cpp - Microsoft Visual C++ Name Mangling ---------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This provides C++ name mangling targetting the Microsoft Visual C++ ABI.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/AST/Mangle.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/CharUnits.h"
+#include "clang/AST/Decl.h"
+#include "clang/AST/DeclCXX.h"
+#include "clang/AST/DeclObjC.h"
+#include "clang/AST/DeclTemplate.h"
+#include "clang/AST/ExprCXX.h"
+#include "clang/Basic/ABI.h"
+
+using namespace clang;
+
+namespace {
+
+/// MicrosoftCXXNameMangler - Manage the mangling of a single name for the
+/// Microsoft Visual C++ ABI.
+class MicrosoftCXXNameMangler {
+ MangleContext &Context;
+ llvm::raw_svector_ostream Out;
+
+ ASTContext &getASTContext() const { return Context.getASTContext(); }
+
+public:
+ MicrosoftCXXNameMangler(MangleContext &C, llvm::SmallVectorImpl<char> &Res)
+ : Context(C), Out(Res) { }
+
+ void mangle(const NamedDecl *D, llvm::StringRef Prefix = "?");
+ void mangleName(const NamedDecl *ND);
+ void mangleFunctionEncoding(const FunctionDecl *FD);
+ void mangleVariableEncoding(const VarDecl *VD);
+ void mangleNumber(int64_t Number);
+ void mangleType(QualType T);
+
+private:
+ void mangleUnqualifiedName(const NamedDecl *ND) {
+ mangleUnqualifiedName(ND, ND->getDeclName());
+ }
+ void mangleUnqualifiedName(const NamedDecl *ND, DeclarationName Name);
+ void mangleSourceName(const IdentifierInfo *II);
+ void manglePostfix(const DeclContext *DC, bool NoFunction=false);
+ void mangleOperatorName(OverloadedOperatorKind OO);
+ void mangleQualifiers(Qualifiers Quals, bool IsMember);
+
+ void mangleObjCMethodName(const ObjCMethodDecl *MD);
+
+ // Declare manglers for every type class.
+#define ABSTRACT_TYPE(CLASS, PARENT)
+#define NON_CANONICAL_TYPE(CLASS, PARENT)
+#define TYPE(CLASS, PARENT) void mangleType(const CLASS##Type *T);
+#include "clang/AST/TypeNodes.def"
+
+ void mangleType(const TagType*);
+ void mangleType(const FunctionType *T, const FunctionDecl *D,
+ bool IsStructor, bool IsInstMethod);
+ void mangleType(const ArrayType *T, bool IsGlobal);
+ void mangleExtraDimensions(QualType T);
+ void mangleFunctionClass(const FunctionDecl *FD);
+ void mangleCallingConvention(const FunctionType *T, bool IsInstMethod = false);
+ void mangleThrowSpecification(const FunctionProtoType *T);
+
+};
+
+/// MicrosoftMangleContext - Overrides the default MangleContext for the
+/// Microsoft Visual C++ ABI.
+class MicrosoftMangleContext : public MangleContext {
+public:
+ MicrosoftMangleContext(ASTContext &Context,
+ Diagnostic &Diags) : MangleContext(Context, Diags) { }
+ virtual bool shouldMangleDeclName(const NamedDecl *D);
+ virtual void mangleName(const NamedDecl *D, llvm::SmallVectorImpl<char> &);
+ virtual void mangleThunk(const CXXMethodDecl *MD,
+ const ThunkInfo &Thunk,
+ llvm::SmallVectorImpl<char> &);
+ virtual void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type,
+ const ThisAdjustment &ThisAdjustment,
+ llvm::SmallVectorImpl<char> &);
+ virtual void mangleCXXVTable(const CXXRecordDecl *RD,
+ llvm::SmallVectorImpl<char> &);
+ virtual void mangleCXXVTT(const CXXRecordDecl *RD,
+ llvm::SmallVectorImpl<char> &);
+ virtual void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset,
+ const CXXRecordDecl *Type,
+ llvm::SmallVectorImpl<char> &);
+ virtual void mangleCXXRTTI(QualType T, llvm::SmallVectorImpl<char> &);
+ virtual void mangleCXXRTTIName(QualType T, llvm::SmallVectorImpl<char> &);
+ virtual void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type,
+ llvm::SmallVectorImpl<char> &);
+ virtual void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type,
+ llvm::SmallVectorImpl<char> &);
+ virtual void mangleReferenceTemporary(const clang::VarDecl *,
+ llvm::SmallVectorImpl<char> &);
+};
+
+}
+
+static bool isInCLinkageSpecification(const Decl *D) {
+ D = D->getCanonicalDecl();
+ for (const DeclContext *DC = D->getDeclContext();
+ !DC->isTranslationUnit(); DC = DC->getParent()) {
+ if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC))
+ return Linkage->getLanguage() == LinkageSpecDecl::lang_c;
+ }
+
+ return false;
+}
+
+bool MicrosoftMangleContext::shouldMangleDeclName(const NamedDecl *D) {
+ // In C, functions with no attributes never need to be mangled. Fastpath them.
+ if (!getASTContext().getLangOptions().CPlusPlus && !D->hasAttrs())
+ return false;
+
+ // Any decl can be declared with __asm("foo") on it, and this takes precedence
+ // over all other naming in the .o file.
+ if (D->hasAttr<AsmLabelAttr>())
+ return true;
+
+ // Clang's "overloadable" attribute extension to C/C++ implies name mangling
+ // (always) as does passing a C++ member function and a function
+ // whose name is not a simple identifier.
+ const FunctionDecl *FD = dyn_cast<FunctionDecl>(D);
+ if (FD && (FD->hasAttr<OverloadableAttr>() || isa<CXXMethodDecl>(FD) ||
+ !FD->getDeclName().isIdentifier()))
+ return true;
+
+ // Otherwise, no mangling is done outside C++ mode.
+ if (!getASTContext().getLangOptions().CPlusPlus)
+ return false;
+
+ // Variables at global scope with internal linkage are not mangled.
+ if (!FD) {
+ const DeclContext *DC = D->getDeclContext();
+ if (DC->isTranslationUnit() && D->getLinkage() == InternalLinkage)
+ return false;
+ }
+
+ // C functions and "main" are not mangled.
+ if ((FD && FD->isMain()) || isInCLinkageSpecification(D))
+ return false;
+
+ return true;
+}
+
+void MicrosoftCXXNameMangler::mangle(const NamedDecl *D,
+ llvm::StringRef Prefix) {
+ // MSVC doesn't mangle C++ names the same way it mangles extern "C" names.
+ // Therefore it's really important that we don't decorate the
+ // name with leading underscores or leading/trailing at signs. So, emit a
+ // asm marker at the start so we get the name right.
+ Out << '\01'; // LLVM IR Marker for __asm("foo")
+
+ // Any decl can be declared with __asm("foo") on it, and this takes precedence
+ // over all other naming in the .o file.
+ if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) {
+ // If we have an asm name, then we use it as the mangling.
+ Out << ALA->getLabel();
+ return;
+ }
+
+ // <mangled-name> ::= ? <name> <type-encoding>
+ Out << Prefix;
+ mangleName(D);
+ if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
+ mangleFunctionEncoding(FD);
+ else if (const VarDecl *VD = dyn_cast<VarDecl>(D))
+ mangleVariableEncoding(VD);
+ // TODO: Fields? Can MSVC even mangle them?
+}
+
+void MicrosoftCXXNameMangler::mangleFunctionEncoding(const FunctionDecl *FD) {
+ // <type-encoding> ::= <function-class> <function-type>
+
+ // Don't mangle in the type if this isn't a decl we should typically mangle.
+ if (!Context.shouldMangleDeclName(FD))
+ return;
+
+ // We should never ever see a FunctionNoProtoType at this point.
+ // We don't even know how to mangle their types anyway :).
+ const FunctionProtoType *FT = cast<FunctionProtoType>(FD->getType());
+
+ bool InStructor = false, InInstMethod = false;
+ const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD);
+ if (MD) {
+ if (MD->isInstance())
+ InInstMethod = true;
+ if (isa<CXXConstructorDecl>(MD) || isa<CXXDestructorDecl>(MD))
+ InStructor = true;
+ }
+
+ // First, the function class.
+ mangleFunctionClass(FD);
+
+ mangleType(FT, FD, InStructor, InInstMethod);
+}
+
+void MicrosoftCXXNameMangler::mangleVariableEncoding(const VarDecl *VD) {
+ // <type-encoding> ::= <storage-class> <variable-type>
+ // <storage-class> ::= 0 # private static member
+ // ::= 1 # protected static member
+ // ::= 2 # public static member
+ // ::= 3 # global
+ // ::= 4 # static local
+
+ // The first character in the encoding (after the name) is the storage class.
+ if (VD->isStaticDataMember()) {
+ // If it's a static member, it also encodes the access level.
+ switch (VD->getAccess()) {
+ default:
+ case AS_private: Out << '0'; break;
+ case AS_protected: Out << '1'; break;
+ case AS_public: Out << '2'; break;
+ }
+ }
+ else if (!VD->isStaticLocal())
+ Out << '3';
+ else
+ Out << '4';
+ // Now mangle the type.
+ // <variable-type> ::= <type> <cvr-qualifiers>
+ // ::= <type> A # pointers, references, arrays
+ // Pointers and references are odd. The type of 'int * const foo;' gets
+ // mangled as 'QAHA' instead of 'PAHB', for example.
+ QualType Ty = VD->getType();
+ if (Ty->isPointerType() || Ty->isReferenceType()) {
+ mangleType(Ty);
+ Out << 'A';
+ } else if (Ty->isArrayType()) {
+ // Global arrays are funny, too.
+ mangleType(static_cast<ArrayType *>(Ty.getTypePtr()), true);
+ Out << 'A';
+ } else {
+ mangleType(Ty.getLocalUnqualifiedType());
+ mangleQualifiers(Ty.getLocalQualifiers(), false);
+ }
+}
+
+void MicrosoftCXXNameMangler::mangleName(const NamedDecl *ND) {
+ // <name> ::= <unscoped-name> {[<named-scope>]+ | [<nested-name>]}? @
+ const DeclContext *DC = ND->getDeclContext();
+
+ // Always start with the unqualified name.
+ mangleUnqualifiedName(ND);
+
+ // If this is an extern variable declared locally, the relevant DeclContext
+ // is that of the containing namespace, or the translation unit.
+ if (isa<FunctionDecl>(DC) && ND->hasLinkage())
+ while (!DC->isNamespace() && !DC->isTranslationUnit())
+ DC = DC->getParent();
+
+ manglePostfix(DC);
+
+ // Terminate the whole name with an '@'.
+ Out << '@';
+}
+
+void MicrosoftCXXNameMangler::mangleNumber(int64_t Number) {
+ // <number> ::= [?] <decimal digit> # <= 9
+ // ::= [?] <hex digit>+ @ # > 9; A = 0, B = 1, etc...
+ if (Number < 0) {
+ Out << '?';
+ Number = -Number;
+ }
+ if (Number >= 1 && Number <= 10) {
+ Out << Number-1;
+ } else {
+ // We have to build up the encoding in reverse order, so it will come
+ // out right when we write it out.
+ char Encoding[16];
+ char *EndPtr = Encoding+sizeof(Encoding);
+ char *CurPtr = EndPtr;
+ while (Number) {
+ *--CurPtr = 'A' + (Number % 16);
+ Number /= 16;
+ }
+ Out.write(CurPtr, EndPtr-CurPtr);
+ Out << '@';
+ }
+}
+
+void
+MicrosoftCXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND,
+ DeclarationName Name) {
+ // <unqualified-name> ::= <operator-name>
+ // ::= <ctor-dtor-name>
+ // ::= <source-name>
+ switch (Name.getNameKind()) {
+ case DeclarationName::Identifier: {
+ if (const IdentifierInfo *II = Name.getAsIdentifierInfo()) {
+ mangleSourceName(II);
+ break;
+ }
+
+ // Otherwise, an anonymous entity. We must have a declaration.
+ assert(ND && "mangling empty name without declaration");
+
+ if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) {
+ if (NS->isAnonymousNamespace()) {
+ Out << "?A";
+ break;
+ }
+ }
+
+ // We must have an anonymous struct.
+ const TagDecl *TD = cast<TagDecl>(ND);
+ if (const TypedefDecl *D = TD->getTypedefForAnonDecl()) {
+ assert(TD->getDeclContext() == D->getDeclContext() &&
+ "Typedef should not be in another decl context!");
+ assert(D->getDeclName().getAsIdentifierInfo() &&
+ "Typedef was not named!");
+ mangleSourceName(D->getDeclName().getAsIdentifierInfo());
+ break;
+ }
+
+ // When VC encounters an anonymous type with no tag and no typedef,
+ // it literally emits '<unnamed-tag>'.
+ Out << "<unnamed-tag>";
+ break;
+ }
+
+ case DeclarationName::ObjCZeroArgSelector:
+ case DeclarationName::ObjCOneArgSelector:
+ case DeclarationName::ObjCMultiArgSelector:
+ assert(false && "Can't mangle Objective-C selector names here!");
+ break;
+
+ case DeclarationName::CXXConstructorName:
+ assert(false && "Can't mangle constructors yet!");
+ break;
+
+ case DeclarationName::CXXDestructorName:
+ assert(false && "Can't mangle destructors yet!");
+ break;
+
+ case DeclarationName::CXXConversionFunctionName:
+ // <operator-name> ::= ?B # (cast)
+ // The target type is encoded as the return type.
+ Out << "?B";
+ break;
+
+ case DeclarationName::CXXOperatorName:
+ mangleOperatorName(Name.getCXXOverloadedOperator());
+ break;
+
+ case DeclarationName::CXXLiteralOperatorName:
+ // FIXME: Was this added in VS2010? Does MS even know how to mangle this?
+ assert(false && "Don't know how to mangle literal operators yet!");
+ break;
+
+ case DeclarationName::CXXUsingDirective:
+ assert(false && "Can't mangle a using directive name!");
+ break;
+ }
+}
+
+void MicrosoftCXXNameMangler::manglePostfix(const DeclContext *DC,
+ bool NoFunction) {
+ // <postfix> ::= <unqualified-name> [<postfix>]
+ // ::= <template-postfix> <template-args> [<postfix>]
+ // ::= <template-param>
+ // ::= <substitution> [<postfix>]
+
+ if (!DC) return;
+
+ while (isa<LinkageSpecDecl>(DC))
+ DC = DC->getParent();
+
+ if (DC->isTranslationUnit())
+ return;
+
+ if (const BlockDecl *BD = dyn_cast<BlockDecl>(DC)) {
+ llvm::SmallString<64> Name;
+ Context.mangleBlock(BD, Name);
+ Out << Name << '@';
+ return manglePostfix(DC->getParent(), NoFunction);
+ }
+
+ if (NoFunction && (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC)))
+ return;
+ else if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC))
+ mangleObjCMethodName(Method);
+ else {
+ mangleUnqualifiedName(cast<NamedDecl>(DC));
+ manglePostfix(DC->getParent(), NoFunction);
+ }
+}
+
+void MicrosoftCXXNameMangler::mangleOperatorName(OverloadedOperatorKind OO) {
+ switch (OO) {
+ // ?0 # constructor
+ // ?1 # destructor
+ // <operator-name> ::= ?2 # new
+ case OO_New: Out << "?2"; break;
+ // <operator-name> ::= ?3 # delete
+ case OO_Delete: Out << "?3"; break;
+ // <operator-name> ::= ?4 # =
+ case OO_Equal: Out << "?4"; break;
+ // <operator-name> ::= ?5 # >>
+ case OO_GreaterGreater: Out << "?5"; break;
+ // <operator-name> ::= ?6 # <<
+ case OO_LessLess: Out << "?6"; break;
+ // <operator-name> ::= ?7 # !
+ case OO_Exclaim: Out << "?7"; break;
+ // <operator-name> ::= ?8 # ==
+ case OO_EqualEqual: Out << "?8"; break;
+ // <operator-name> ::= ?9 # !=
+ case OO_ExclaimEqual: Out << "?9"; break;
+ // <operator-name> ::= ?A # []
+ case OO_Subscript: Out << "?A"; break;
+ // ?B # conversion
+ // <operator-name> ::= ?C # ->
+ case OO_Arrow: Out << "?C"; break;
+ // <operator-name> ::= ?D # *
+ case OO_Star: Out << "?D"; break;
+ // <operator-name> ::= ?E # ++
+ case OO_PlusPlus: Out << "?E"; break;
+ // <operator-name> ::= ?F # --
+ case OO_MinusMinus: Out << "?F"; break;
+ // <operator-name> ::= ?G # -
+ case OO_Minus: Out << "?G"; break;
+ // <operator-name> ::= ?H # +
+ case OO_Plus: Out << "?H"; break;
+ // <operator-name> ::= ?I # &
+ case OO_Amp: Out << "?I"; break;
+ // <operator-name> ::= ?J # ->*
+ case OO_ArrowStar: Out << "?J"; break;
+ // <operator-name> ::= ?K # /
+ case OO_Slash: Out << "?K"; break;
+ // <operator-name> ::= ?L # %
+ case OO_Percent: Out << "?L"; break;
+ // <operator-name> ::= ?M # <
+ case OO_Less: Out << "?M"; break;
+ // <operator-name> ::= ?N # <=
+ case OO_LessEqual: Out << "?N"; break;
+ // <operator-name> ::= ?O # >
+ case OO_Greater: Out << "?O"; break;
+ // <operator-name> ::= ?P # >=
+ case OO_GreaterEqual: Out << "?P"; break;
+ // <operator-name> ::= ?Q # ,
+ case OO_Comma: Out << "?Q"; break;
+ // <operator-name> ::= ?R # ()
+ case OO_Call: Out << "?R"; break;
+ // <operator-name> ::= ?S # ~
+ case OO_Tilde: Out << "?S"; break;
+ // <operator-name> ::= ?T # ^
+ case OO_Caret: Out << "?T"; break;
+ // <operator-name> ::= ?U # |
+ case OO_Pipe: Out << "?U"; break;
+ // <operator-name> ::= ?V # &&
+ case OO_AmpAmp: Out << "?V"; break;
+ // <operator-name> ::= ?W # ||
+ case OO_PipePipe: Out << "?W"; break;
+ // <operator-name> ::= ?X # *=
+ case OO_StarEqual: Out << "?X"; break;
+ // <operator-name> ::= ?Y # +=
+ case OO_PlusEqual: Out << "?Y"; break;
+ // <operator-name> ::= ?Z # -=
+ case OO_MinusEqual: Out << "?Z"; break;
+ // <operator-name> ::= ?_0 # /=
+ case OO_SlashEqual: Out << "?_0"; break;
+ // <operator-name> ::= ?_1 # %=
+ case OO_PercentEqual: Out << "?_1"; break;
+ // <operator-name> ::= ?_2 # >>=
+ case OO_GreaterGreaterEqual: Out << "?_2"; break;
+ // <operator-name> ::= ?_3 # <<=
+ case OO_LessLessEqual: Out << "?_3"; break;
+ // <operator-name> ::= ?_4 # &=
+ case OO_AmpEqual: Out << "?_4"; break;
+ // <operator-name> ::= ?_5 # |=
+ case OO_PipeEqual: Out << "?_5"; break;
+ // <operator-name> ::= ?_6 # ^=
+ case OO_CaretEqual: Out << "?_6"; break;
+ // ?_7 # vftable
+ // ?_8 # vbtable
+ // ?_9 # vcall
+ // ?_A # typeof
+ // ?_B # local static guard
+ // ?_C # string
+ // ?_D # vbase destructor
+ // ?_E # vector deleting destructor
+ // ?_F # default constructor closure
+ // ?_G # scalar deleting destructor
+ // ?_H # vector constructor iterator
+ // ?_I # vector destructor iterator
+ // ?_J # vector vbase constructor iterator
+ // ?_K # virtual displacement map
+ // ?_L # eh vector constructor iterator
+ // ?_M # eh vector destructor iterator
+ // ?_N # eh vector vbase constructor iterator
+ // ?_O # copy constructor closure
+ // ?_P<name> # udt returning <name>
+ // ?_Q # <unknown>
+ // ?_R0 # RTTI Type Descriptor
+ // ?_R1 # RTTI Base Class Descriptor at (a,b,c,d)
+ // ?_R2 # RTTI Base Class Array
+ // ?_R3 # RTTI Class Hierarchy Descriptor
+ // ?_R4 # RTTI Complete Object Locator
+ // ?_S # local vftable
+ // ?_T # local vftable constructor closure
+ // <operator-name> ::= ?_U # new[]
+ case OO_Array_New: Out << "?_U"; break;
+ // <operator-name> ::= ?_V # delete[]
+ case OO_Array_Delete: Out << "?_V"; break;
+
+ case OO_Conditional:
+ assert(false && "Don't know how to mangle ?:");
+ break;
+
+ case OO_None:
+ case NUM_OVERLOADED_OPERATORS:
+ assert(false && "Not an overloaded operator");
+ break;
+ }
+}
+
+void MicrosoftCXXNameMangler::mangleSourceName(const IdentifierInfo *II) {
+ // <source name> ::= <identifier> @
+ Out << II->getName() << '@';
+}
+
+void MicrosoftCXXNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) {
+ llvm::SmallString<64> Buffer;
+ Context.mangleObjCMethodName(MD, Buffer);
+ Out << Buffer;
+}
+
+void MicrosoftCXXNameMangler::mangleQualifiers(Qualifiers Quals,
+ bool IsMember) {
+ // <cvr-qualifiers> ::= [E] [F] [I] <base-cvr-qualifiers>
+ // 'E' means __ptr64 (32-bit only); 'F' means __unaligned (32/64-bit only);
+ // 'I' means __restrict (32/64-bit).
+ // Note that the MSVC __restrict keyword isn't the same as the C99 restrict
+ // keyword!
+ // <base-cvr-qualifiers> ::= A # near
+ // ::= B # near const
+ // ::= C # near volatile
+ // ::= D # near const volatile
+ // ::= E # far (16-bit)
+ // ::= F # far const (16-bit)
+ // ::= G # far volatile (16-bit)
+ // ::= H # far const volatile (16-bit)
+ // ::= I # huge (16-bit)
+ // ::= J # huge const (16-bit)
+ // ::= K # huge volatile (16-bit)
+ // ::= L # huge const volatile (16-bit)
+ // ::= M <basis> # based
+ // ::= N <basis> # based const
+ // ::= O <basis> # based volatile
+ // ::= P <basis> # based const volatile
+ // ::= Q # near member
+ // ::= R # near const member
+ // ::= S # near volatile member
+ // ::= T # near const volatile member
+ // ::= U # far member (16-bit)
+ // ::= V # far const member (16-bit)
+ // ::= W # far volatile member (16-bit)
+ // ::= X # far const volatile member (16-bit)
+ // ::= Y # huge member (16-bit)
+ // ::= Z # huge const member (16-bit)
+ // ::= 0 # huge volatile member (16-bit)
+ // ::= 1 # huge const volatile member (16-bit)
+ // ::= 2 <basis> # based member
+ // ::= 3 <basis> # based const member
+ // ::= 4 <basis> # based volatile member
+ // ::= 5 <basis> # based const volatile member
+ // ::= 6 # near function (pointers only)
+ // ::= 7 # far function (pointers only)
+ // ::= 8 # near method (pointers only)
+ // ::= 9 # far method (pointers only)
+ // ::= _A <basis> # based function (pointers only)
+ // ::= _B <basis> # based function (far?) (pointers only)
+ // ::= _C <basis> # based method (pointers only)
+ // ::= _D <basis> # based method (far?) (pointers only)
+ // ::= _E # block (Clang)
+ // <basis> ::= 0 # __based(void)
+ // ::= 1 # __based(segment)?
+ // ::= 2 <name> # __based(name)
+ // ::= 3 # ?
+ // ::= 4 # ?
+ // ::= 5 # not really based
+ if (!IsMember) {
+ if (!Quals.hasVolatile()) {
+ if (!Quals.hasConst())
+ Out << 'A';
+ else
+ Out << 'B';
+ } else {
+ if (!Quals.hasConst())
+ Out << 'C';
+ else
+ Out << 'D';
+ }
+ } else {
+ if (!Quals.hasVolatile()) {
+ if (!Quals.hasConst())
+ Out << 'Q';
+ else
+ Out << 'R';
+ } else {
+ if (!Quals.hasConst())
+ Out << 'S';
+ else
+ Out << 'T';
+ }
+ }
+
+ // FIXME: For now, just drop all extension qualifiers on the floor.
+}
+
+void MicrosoftCXXNameMangler::mangleType(QualType T) {
+ // Only operate on the canonical type!
+ T = getASTContext().getCanonicalType(T);
+
+ Qualifiers Quals = T.getLocalQualifiers();
+ if (Quals) {
+ // We have to mangle these now, while we still have enough information.
+ // <pointer-cvr-qualifiers> ::= P # pointer
+ // ::= Q # const pointer
+ // ::= R # volatile pointer
+ // ::= S # const volatile pointer
+ if (T->isAnyPointerType() || T->isMemberPointerType() ||
+ T->isBlockPointerType()) {
+ if (!Quals.hasVolatile())
+ Out << 'Q';
+ else {
+ if (!Quals.hasConst())
+ Out << 'R';
+ else
+ Out << 'S';
+ }
+ } else
+ // Just emit qualifiers like normal.
+ // NB: When we mangle a pointer/reference type, and the pointee
+ // type has no qualifiers, the lack of qualifier gets mangled
+ // in there.
+ mangleQualifiers(Quals, false);
+ } else if (T->isAnyPointerType() || T->isMemberPointerType() ||
+ T->isBlockPointerType()) {
+ Out << 'P';
+ }
+ switch (T->getTypeClass()) {
+#define ABSTRACT_TYPE(CLASS, PARENT)
+#define NON_CANONICAL_TYPE(CLASS, PARENT) \
+case Type::CLASS: \
+llvm_unreachable("can't mangle non-canonical type " #CLASS "Type"); \
+return;
+#define TYPE(CLASS, PARENT) \
+case Type::CLASS: \
+mangleType(static_cast<const CLASS##Type*>(T.getTypePtr())); \
+break;
+#include "clang/AST/TypeNodes.def"
+ }
+}
+
+void MicrosoftCXXNameMangler::mangleType(const BuiltinType *T) {
+ // <type> ::= <builtin-type>
+ // <builtin-type> ::= X # void
+ // ::= C # signed char
+ // ::= D # char
+ // ::= E # unsigned char
+ // ::= F # short
+ // ::= G # unsigned short (or wchar_t if it's not a builtin)
+ // ::= H # int
+ // ::= I # unsigned int
+ // ::= J # long
+ // ::= K # unsigned long
+ // L # <none>
+ // ::= M # float
+ // ::= N # double
+ // ::= O # long double (__float80 is mangled differently)
+ // ::= _D # __int8 (yup, it's a distinct type in MSVC)
+ // ::= _E # unsigned __int8
+ // ::= _F # __int16
+ // ::= _G # unsigned __int16
+ // ::= _H # __int32
+ // ::= _I # unsigned __int32
+ // ::= _J # long long, __int64
+ // ::= _K # unsigned long long, __int64
+ // ::= _L # __int128
+ // ::= _M # unsigned __int128
+ // ::= _N # bool
+ // _O # <array in parameter>
+ // ::= _T # __float80 (Intel)
+ // ::= _W # wchar_t
+ // ::= _Z # __float80 (Digital Mars)
+ switch (T->getKind()) {
+ case BuiltinType::Void: Out << 'X'; break;
+ case BuiltinType::SChar: Out << 'C'; break;
+ case BuiltinType::Char_U: case BuiltinType::Char_S: Out << 'D'; break;
+ case BuiltinType::UChar: Out << 'E'; break;
+ case BuiltinType::Short: Out << 'F'; break;
+ case BuiltinType::UShort: Out << 'G'; break;
+ case BuiltinType::Int: Out << 'H'; break;
+ case BuiltinType::UInt: Out << 'I'; break;
+ case BuiltinType::Long: Out << 'J'; break;
+ case BuiltinType::ULong: Out << 'K'; break;
+ case BuiltinType::Float: Out << 'M'; break;
+ case BuiltinType::Double: Out << 'N'; break;
+ // TODO: Determine size and mangle accordingly
+ case BuiltinType::LongDouble: Out << 'O'; break;
+ // TODO: __int8 and friends
+ case BuiltinType::LongLong: Out << "_J"; break;
+ case BuiltinType::ULongLong: Out << "_K"; break;
+ case BuiltinType::Int128: Out << "_L"; break;
+ case BuiltinType::UInt128: Out << "_M"; break;
+ case BuiltinType::Bool: Out << "_N"; break;
+ case BuiltinType::WChar_S:
+ case BuiltinType::WChar_U: Out << "_W"; break;
+
+ case BuiltinType::Overload:
+ case BuiltinType::Dependent:
+ assert(false &&
+ "Overloaded and dependent types shouldn't get to name mangling");
+ break;
+ case BuiltinType::UndeducedAuto:
+ assert(0 && "Should not see undeduced auto here");
+ break;
+ case BuiltinType::ObjCId: Out << "PAUobjc_object@@"; break;
+ case BuiltinType::ObjCClass: Out << "PAUobjc_class@@"; break;
+ case BuiltinType::ObjCSel: Out << "PAUobjc_selector@@"; break;
+
+ case BuiltinType::Char16:
+ case BuiltinType::Char32:
+ case BuiltinType::NullPtr:
+ assert(false && "Don't know how to mangle this type");
+ break;
+ }
+}
+
+// <type> ::= <function-type>
+void MicrosoftCXXNameMangler::mangleType(const FunctionProtoType *T) {
+ // Structors only appear in decls, so at this point we know it's not a
+ // structor type.
+ // I'll probably have mangleType(MemberPointerType) call the mangleType()
+ // method directly.
+ mangleType(T, NULL, false, false);
+}
+void MicrosoftCXXNameMangler::mangleType(const FunctionNoProtoType *T) {
+ llvm_unreachable("Can't mangle K&R function prototypes");
+}
+
+void MicrosoftCXXNameMangler::mangleType(const FunctionType *T,
+ const FunctionDecl *D,
+ bool IsStructor,
+ bool IsInstMethod) {
+ // <function-type> ::= <this-cvr-qualifiers> <calling-convention>
+ // <return-type> <argument-list> <throw-spec>
+ const FunctionProtoType *Proto = cast<FunctionProtoType>(T);
+
+ // If this is a C++ instance method, mangle the CVR qualifiers for the
+ // this pointer.
+ if (IsInstMethod)
+ mangleQualifiers(Qualifiers::fromCVRMask(Proto->getTypeQuals()), false);
+
+ mangleCallingConvention(T, IsInstMethod);
+
+ // <return-type> ::= <type>
+ // ::= @ # structors (they have no declared return type)
+ if (IsStructor)
+ Out << '@';
+ else
+ mangleType(Proto->getResultType());
+
+ // <argument-list> ::= X # void
+ // ::= <type>+ @
+ // ::= <type>* Z # varargs
+ if (Proto->getNumArgs() == 0 && !Proto->isVariadic()) {
+ Out << 'X';
+ } else {
+ if (D) {
+ // If we got a decl, use the "types-as-written" to make sure arrays
+ // get mangled right.
+ for (FunctionDecl::param_const_iterator Parm = D->param_begin(),
+ ParmEnd = D->param_end();
+ Parm != ParmEnd; ++Parm)
+ mangleType((*Parm)->getTypeSourceInfo()->getType());
+ } else {
+ for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(),
+ ArgEnd = Proto->arg_type_end();
+ Arg != ArgEnd; ++Arg)
+ mangleType(*Arg);
+ }
+ // <builtin-type> ::= Z # ellipsis
+ if (Proto->isVariadic())
+ Out << 'Z';
+ else
+ Out << '@';
+ }
+
+ mangleThrowSpecification(Proto);
+}
+
+void MicrosoftCXXNameMangler::mangleFunctionClass(const FunctionDecl *FD) {
+ // <function-class> ::= A # private: near
+ // ::= B # private: far
+ // ::= C # private: static near
+ // ::= D # private: static far
+ // ::= E # private: virtual near
+ // ::= F # private: virtual far
+ // ::= G # private: thunk near
+ // ::= H # private: thunk far
+ // ::= I # protected: near
+ // ::= J # protected: far
+ // ::= K # protected: static near
+ // ::= L # protected: static far
+ // ::= M # protected: virtual near
+ // ::= N # protected: virtual far
+ // ::= O # protected: thunk near
+ // ::= P # protected: thunk far
+ // ::= Q # public: near
+ // ::= R # public: far
+ // ::= S # public: static near
+ // ::= T # public: static far
+ // ::= U # public: virtual near
+ // ::= V # public: virtual far
+ // ::= W # public: thunk near
+ // ::= X # public: thunk far
+ // ::= Y # global near
+ // ::= Z # global far
+ if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) {
+ switch (MD->getAccess()) {
+ default:
+ case AS_private:
+ if (MD->isStatic())
+ Out << 'C';
+ else if (MD->isVirtual())
+ Out << 'E';
+ else
+ Out << 'A';
+ break;
+ case AS_protected:
+ if (MD->isStatic())
+ Out << 'K';
+ else if (MD->isVirtual())
+ Out << 'M';
+ else
+ Out << 'I';
+ break;
+ case AS_public:
+ if (MD->isStatic())
+ Out << 'S';
+ else if (MD->isVirtual())
+ Out << 'U';
+ else
+ Out << 'Q';
+ }
+ } else
+ Out << 'Y';
+}
+void MicrosoftCXXNameMangler::mangleCallingConvention(const FunctionType *T,
+ bool IsInstMethod) {
+ // <calling-convention> ::= A # __cdecl
+ // ::= B # __export __cdecl
+ // ::= C # __pascal
+ // ::= D # __export __pascal
+ // ::= E # __thiscall
+ // ::= F # __export __thiscall
+ // ::= G # __stdcall
+ // ::= H # __export __stdcall
+ // ::= I # __fastcall
+ // ::= J # __export __fastcall
+ // The 'export' calling conventions are from a bygone era
+ // (*cough*Win16*cough*) when functions were declared for export with
+ // that keyword. (It didn't actually export them, it just made them so
+ // that they could be in a DLL and somebody from another module could call
+ // them.)
+ CallingConv CC = T->getCallConv();
+ if (CC == CC_Default)
+ CC = IsInstMethod ? getASTContext().getDefaultMethodCallConv() : CC_C;
+ switch (CC) {
+ case CC_Default:
+ case CC_C: Out << 'A'; break;
+ case CC_X86Pascal: Out << 'C'; break;
+ case CC_X86ThisCall: Out << 'E'; break;
+ case CC_X86StdCall: Out << 'G'; break;
+ case CC_X86FastCall: Out << 'I'; break;
+ }
+}
+void MicrosoftCXXNameMangler::mangleThrowSpecification(
+ const FunctionProtoType *FT) {
+ // <throw-spec> ::= Z # throw(...) (default)
+ // ::= @ # throw() or __declspec/__attribute__((nothrow))
+ // ::= <type>+
+ // NOTE: Since the Microsoft compiler ignores throw specifications, they are
+ // all actually mangled as 'Z'. (They're ignored because their associated
+ // functionality isn't implemented, and probably never will be.)
+ Out << 'Z';
+}
+
+void MicrosoftCXXNameMangler::mangleType(const UnresolvedUsingType *T) {
+ assert(false && "Don't know how to mangle UnresolvedUsingTypes yet!");
+}
+
+// <type> ::= <union-type> | <struct-type> | <class-type> | <enum-type>
+// <union-type> ::= T <name>
+// <struct-type> ::= U <name>
+// <class-type> ::= V <name>
+// <enum-type> ::= W <size> <name>
+void MicrosoftCXXNameMangler::mangleType(const EnumType *T) {
+ mangleType(static_cast<const TagType*>(T));
+}
+void MicrosoftCXXNameMangler::mangleType(const RecordType *T) {
+ mangleType(static_cast<const TagType*>(T));
+}
+void MicrosoftCXXNameMangler::mangleType(const TagType *T) {
+ switch (T->getDecl()->getTagKind()) {
+ case TTK_Union:
+ Out << 'T';
+ break;
+ case TTK_Struct:
+ Out << 'U';
+ break;
+ case TTK_Class:
+ Out << 'V';
+ break;
+ case TTK_Enum:
+ Out << 'W';
+ Out << getASTContext().getTypeSizeInChars(
+ cast<EnumDecl>(T->getDecl())->getIntegerType()).getQuantity();
+ break;
+ }
+ mangleName(T->getDecl());
+}
+
+// <type> ::= <array-type>
+// <array-type> ::= P <cvr-qualifiers> [Y <dimension-count> <dimension>+]
+// <element-type> # as global
+// ::= Q <cvr-qualifiers> [Y <dimension-count> <dimension>+]
+// <element-type> # as param
+// It's supposed to be the other way around, but for some strange reason, it
+// isn't. Today this behavior is retained for the sole purpose of backwards
+// compatibility.
+void MicrosoftCXXNameMangler::mangleType(const ArrayType *T, bool IsGlobal) {
+ // This isn't a recursive mangling, so now we have to do it all in this
+ // one call.
+ if (IsGlobal)
+ Out << 'P';
+ else
+ Out << 'Q';
+ mangleExtraDimensions(T->getElementType());
+}
+void MicrosoftCXXNameMangler::mangleType(const ConstantArrayType *T) {
+ mangleType(static_cast<const ArrayType *>(T), false);
+}
+void MicrosoftCXXNameMangler::mangleType(const VariableArrayType *T) {
+ mangleType(static_cast<const ArrayType *>(T), false);
+}
+void MicrosoftCXXNameMangler::mangleType(const DependentSizedArrayType *T) {
+ mangleType(static_cast<const ArrayType *>(T), false);
+}
+void MicrosoftCXXNameMangler::mangleType(const IncompleteArrayType *T) {
+ mangleType(static_cast<const ArrayType *>(T), false);
+}
+void MicrosoftCXXNameMangler::mangleExtraDimensions(QualType ElementTy) {
+ llvm::SmallVector<llvm::APInt, 3> Dimensions;
+ for (;;) {
+ if (ElementTy->isConstantArrayType()) {
+ const ConstantArrayType *CAT =
+ static_cast<const ConstantArrayType *>(ElementTy.getTypePtr());
+ Dimensions.push_back(CAT->getSize());
+ ElementTy = CAT->getElementType();
+ } else if (ElementTy->isVariableArrayType()) {
+ assert(false && "Don't know how to mangle VLAs!");
+ } else if (ElementTy->isDependentSizedArrayType()) {
+ // The dependent expression has to be folded into a constant (TODO).
+ assert(false && "Don't know how to mangle dependent-sized arrays!");
+ } else if (ElementTy->isIncompleteArrayType()) continue;
+ else break;
+ }
+ mangleQualifiers(ElementTy.getQualifiers(), false);
+ // If there are any additional dimensions, mangle them now.
+ if (Dimensions.size() > 0) {
+ Out << 'Y';
+ // <dimension-count> ::= <number> # number of extra dimensions
+ mangleNumber(Dimensions.size());
+ for (unsigned Dim = 0; Dim < Dimensions.size(); ++Dim) {
+ mangleNumber(Dimensions[Dim].getLimitedValue());
+ }
+ }
+ mangleType(ElementTy.getLocalUnqualifiedType());
+}
+
+// <type> ::= <pointer-to-member-type>
+// <pointer-to-member-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers>
+// <class name> <type>
+void MicrosoftCXXNameMangler::mangleType(const MemberPointerType *T) {
+ QualType PointeeType = T->getPointeeType();
+ if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(PointeeType)) {
+ Out << '8';
+ mangleName(cast<RecordType>(T->getClass())->getDecl());
+ mangleType(FPT, NULL, false, true);
+ } else {
+ mangleQualifiers(PointeeType.getQualifiers(), true);
+ mangleName(cast<RecordType>(T->getClass())->getDecl());
+ mangleType(PointeeType.getLocalUnqualifiedType());
+ }
+}
+
+void MicrosoftCXXNameMangler::mangleType(const TemplateTypeParmType *T) {
+ assert(false && "Don't know how to mangle TemplateTypeParmTypes yet!");
+}
+
+// <type> ::= <pointer-type>
+// <pointer-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> <type>
+void MicrosoftCXXNameMangler::mangleType(const PointerType *T) {
+ QualType PointeeTy = T->getPointeeType();
+ if (PointeeTy->isArrayType()) {
+ // Pointers to arrays are mangled like arrays.
+ mangleExtraDimensions(T->getPointeeType());
+ } else if (PointeeTy->isFunctionType()) {
+ // Function pointers are special.
+ Out << '6';
+ mangleType(static_cast<const FunctionType *>(PointeeTy.getTypePtr()),
+ NULL, false, false);
+ } else {
+ if (!PointeeTy.hasQualifiers())
+ // Lack of qualifiers is mangled as 'A'.
+ Out << 'A';
+ mangleType(PointeeTy);
+ }
+}
+void MicrosoftCXXNameMangler::mangleType(const ObjCObjectPointerType *T) {
+ // Object pointers never have qualifiers.
+ Out << 'A';
+ mangleType(T->getPointeeType());
+}
+
+// <type> ::= <reference-type>
+// <reference-type> ::= A <cvr-qualifiers> <type>
+void MicrosoftCXXNameMangler::mangleType(const LValueReferenceType *T) {
+ Out << 'A';
+ QualType PointeeTy = T->getPointeeType();
+ if (!PointeeTy.hasQualifiers())
+ // Lack of qualifiers is mangled as 'A'.
+ Out << 'A';
+ mangleType(PointeeTy);
+}
+
+void MicrosoftCXXNameMangler::mangleType(const RValueReferenceType *T) {
+ assert(false && "Don't know how to mangle RValueReferenceTypes yet!");
+}
+
+void MicrosoftCXXNameMangler::mangleType(const ComplexType *T) {
+ assert(false && "Don't know how to mangle ComplexTypes yet!");
+}
+
+void MicrosoftCXXNameMangler::mangleType(const VectorType *T) {
+ assert(false && "Don't know how to mangle VectorTypes yet!");
+}
+void MicrosoftCXXNameMangler::mangleType(const ExtVectorType *T) {
+ assert(false && "Don't know how to mangle ExtVectorTypes yet!");
+}
+void MicrosoftCXXNameMangler::mangleType(const DependentSizedExtVectorType *T) {
+ assert(false && "Don't know how to mangle DependentSizedExtVectorTypes yet!");
+}
+
+void MicrosoftCXXNameMangler::mangleType(const ObjCInterfaceType *T) {
+ // ObjC interfaces have structs underlying them.
+ Out << 'U';
+ mangleName(T->getDecl());
+}
+
+void MicrosoftCXXNameMangler::mangleType(const ObjCObjectType *T) {
+ // We don't allow overloading by different protocol qualification,
+ // so mangling them isn't necessary.
+ mangleType(T->getBaseType());
+}
+
+void MicrosoftCXXNameMangler::mangleType(const BlockPointerType *T) {
+ Out << "_E";
+ mangleType(T->getPointeeType());
+}
+
+void MicrosoftCXXNameMangler::mangleType(const InjectedClassNameType *T) {
+ assert(false && "Don't know how to mangle InjectedClassNameTypes yet!");
+}
+
+void MicrosoftCXXNameMangler::mangleType(const TemplateSpecializationType *T) {
+ assert(false && "Don't know how to mangle TemplateSpecializationTypes yet!");
+}
+
+void MicrosoftCXXNameMangler::mangleType(const DependentNameType *T) {
+ assert(false && "Don't know how to mangle DependentNameTypes yet!");
+}
+
+void MicrosoftCXXNameMangler::mangleType(
+ const DependentTemplateSpecializationType *T) {
+ assert(false &&
+ "Don't know how to mangle DependentTemplateSpecializationTypes yet!");
+}
+
+void MicrosoftCXXNameMangler::mangleType(const PackExpansionType *T) {
+ assert(false && "Don't know how to mangle PackExpansionTypes yet!");
+}
+
+void MicrosoftCXXNameMangler::mangleType(const TypeOfType *T) {
+ assert(false && "Don't know how to mangle TypeOfTypes yet!");
+}
+
+void MicrosoftCXXNameMangler::mangleType(const TypeOfExprType *T) {
+ assert(false && "Don't know how to mangle TypeOfExprTypes yet!");
+}
+
+void MicrosoftCXXNameMangler::mangleType(const DecltypeType *T) {
+ assert(false && "Don't know how to mangle DecltypeTypes yet!");
+}
+
+void MicrosoftMangleContext::mangleName(const NamedDecl *D,
+ llvm::SmallVectorImpl<char> &Name) {
+ assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) &&
+ "Invalid mangleName() call, argument is not a variable or function!");
+ assert(!isa<CXXConstructorDecl>(D) && !isa<CXXDestructorDecl>(D) &&
+ "Invalid mangleName() call on 'structor decl!");
+
+ PrettyStackTraceDecl CrashInfo(D, SourceLocation(),
+ getASTContext().getSourceManager(),
+ "Mangling declaration");
+
+ MicrosoftCXXNameMangler Mangler(*this, Name);
+ return Mangler.mangle(D);
+}
+void MicrosoftMangleContext::mangleThunk(const CXXMethodDecl *MD,
+ const ThunkInfo &Thunk,
+ llvm::SmallVectorImpl<char> &) {
+ assert(false && "Can't yet mangle thunks!");
+}
+void MicrosoftMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD,
+ CXXDtorType Type,
+ const ThisAdjustment &,
+ llvm::SmallVectorImpl<char> &) {
+ assert(false && "Can't yet mangle destructor thunks!");
+}
+void MicrosoftMangleContext::mangleCXXVTable(const CXXRecordDecl *RD,
+ llvm::SmallVectorImpl<char> &) {
+ assert(false && "Can't yet mangle virtual tables!");
+}
+void MicrosoftMangleContext::mangleCXXVTT(const CXXRecordDecl *RD,
+ llvm::SmallVectorImpl<char> &) {
+ llvm_unreachable("The MS C++ ABI does not have virtual table tables!");
+}
+void MicrosoftMangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD,
+ int64_t Offset,
+ const CXXRecordDecl *Type,
+ llvm::SmallVectorImpl<char> &) {
+ llvm_unreachable("The MS C++ ABI does not have constructor vtables!");
+}
+void MicrosoftMangleContext::mangleCXXRTTI(QualType T,
+ llvm::SmallVectorImpl<char> &) {
+ assert(false && "Can't yet mangle RTTI!");
+}
+void MicrosoftMangleContext::mangleCXXRTTIName(QualType T,
+ llvm::SmallVectorImpl<char> &) {
+ assert(false && "Can't yet mangle RTTI names!");
+}
+void MicrosoftMangleContext::mangleCXXCtor(const CXXConstructorDecl *D,
+ CXXCtorType Type,
+ llvm::SmallVectorImpl<char> &) {
+ assert(false && "Can't yet mangle constructors!");
+}
+void MicrosoftMangleContext::mangleCXXDtor(const CXXDestructorDecl *D,
+ CXXDtorType Type,
+ llvm::SmallVectorImpl<char> &) {
+ assert(false && "Can't yet mangle destructors!");
+}
+void MicrosoftMangleContext::mangleReferenceTemporary(const clang::VarDecl *,
+ llvm::SmallVectorImpl<char> &) {
+ assert(false && "Can't yet mangle reference temporaries!");
+}
+
+MangleContext *clang::createMicrosoftMangleContext(ASTContext &Context,
+ Diagnostic &Diags) {
+ return new MicrosoftMangleContext(Context, Diags);
+}
const llvm::FunctionType *LTy = Types.GetFunctionType(FI, IsVariadic);
MangleBuffer Name;
- CGM.getMangledName(GD, Name, BD);
+ CGM.getBlockMangledName(GD, Name, BD);
llvm::Function *Fn =
llvm::Function::Create(LTy, llvm::GlobalValue::InternalLinkage,
Name.getString(), &CGM.getModule());
#include "CGCXXABI.h"
#include "CodeGenFunction.h"
#include "CodeGenModule.h"
-#include "Mangle.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/RecordLayout.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
+#include "clang/AST/Mangle.h"
#include "clang/AST/StmtCXX.h"
#include "clang/Frontend/CodeGenOptions.h"
#include "llvm/ADT/StringExtras.h"
+++ /dev/null
-//===----- CGCXX.h - C++ related code CodeGen declarations ------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// These classes wrap the information about a call or function
-// definition used to handle ABI compliancy.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef CLANG_CODEGEN_CGCXX_H
-#define CLANG_CODEGEN_CGCXX_H
-
-namespace clang {
-
-/// CXXCtorType - C++ constructor types
-enum CXXCtorType {
- Ctor_Complete, // Complete object ctor
- Ctor_Base, // Base object ctor
- Ctor_CompleteAllocating // Complete object allocating ctor
-};
-
-/// CXXDtorType - C++ destructor types
-enum CXXDtorType {
- Dtor_Deleting, // Deleting dtor
- Dtor_Complete, // Complete object dtor
- Dtor_Base // Base object dtor
-};
-
-} // end namespace clang
-
-#endif // CLANG_CODEGEN_CGCXX_H
class CXXMethodDecl;
class CXXRecordDecl;
class FieldDecl;
+ class MangleContext;
namespace CodeGen {
class CodeGenFunction;
class CodeGenModule;
- class MangleContext;
/// Implements C++ ABI-specific code generation functions.
class CGCXXABI {
protected:
CodeGenModule &CGM;
+ llvm::OwningPtr<MangleContext> MangleCtx;
- CGCXXABI(CodeGenModule &CGM) : CGM(CGM) {}
+ CGCXXABI(CodeGenModule &CGM)
+ : CGM(CGM), MangleCtx(CGM.getContext().createMangleContext()) {}
protected:
ImplicitParamDecl *&getThisDecl(CodeGenFunction &CGF) {
virtual ~CGCXXABI();
/// Gets the mangle context.
- virtual MangleContext &getMangleContext() = 0;
+ MangleContext &getMangleContext() {
+ return *MangleCtx;
+ }
/// Find the LLVM type used to represent the given member pointer
/// type.
const DeclContext *DC = ND->getDeclContext();
if (const BlockDecl *BD = dyn_cast<BlockDecl>(DC)) {
MangleBuffer Name;
- CGM.getMangledName(GlobalDecl(), Name, BD);
+ CGM.getBlockMangledName(GlobalDecl(), Name, BD);
ContextName = Name.getString();
}
else
E = OMD->param_end(); PI != E; ++PI)
Args.push_back(std::make_pair(*PI, (*PI)->getType()));
+ CurGD = OMD;
+
StartFunction(OMD, OMD->getResultType(), Fn, Args, OMD->getLocStart());
}
#include "llvm/ADT/DenseMap.h"
#include "llvm/GlobalVariable.h"
+#include "clang/Basic/ABI.h"
#include "GlobalDecl.h"
namespace clang {
namespace CodeGen {
class CodeGenModule;
-/// ReturnAdjustment - A return adjustment.
-struct ReturnAdjustment {
- /// NonVirtual - The non-virtual adjustment from the derived object to its
- /// nearest virtual base.
- int64_t NonVirtual;
-
- /// VBaseOffsetOffset - The offset (in bytes), relative to the address point
- /// of the virtual base class offset.
- int64_t VBaseOffsetOffset;
-
- ReturnAdjustment() : NonVirtual(0), VBaseOffsetOffset(0) { }
-
- bool isEmpty() const { return !NonVirtual && !VBaseOffsetOffset; }
-
- friend bool operator==(const ReturnAdjustment &LHS,
- const ReturnAdjustment &RHS) {
- return LHS.NonVirtual == RHS.NonVirtual &&
- LHS.VBaseOffsetOffset == RHS.VBaseOffsetOffset;
- }
-
- friend bool operator<(const ReturnAdjustment &LHS,
- const ReturnAdjustment &RHS) {
- if (LHS.NonVirtual < RHS.NonVirtual)
- return true;
-
- return LHS.NonVirtual == RHS.NonVirtual &&
- LHS.VBaseOffsetOffset < RHS.VBaseOffsetOffset;
- }
-};
-
-/// ThisAdjustment - A 'this' pointer adjustment.
-struct ThisAdjustment {
- /// NonVirtual - The non-virtual adjustment from the derived object to its
- /// nearest virtual base.
- int64_t NonVirtual;
-
- /// VCallOffsetOffset - The offset (in bytes), relative to the address point,
- /// of the virtual call offset.
- int64_t VCallOffsetOffset;
-
- ThisAdjustment() : NonVirtual(0), VCallOffsetOffset(0) { }
-
- bool isEmpty() const { return !NonVirtual && !VCallOffsetOffset; }
-
- friend bool operator==(const ThisAdjustment &LHS,
- const ThisAdjustment &RHS) {
- return LHS.NonVirtual == RHS.NonVirtual &&
- LHS.VCallOffsetOffset == RHS.VCallOffsetOffset;
- }
-
- friend bool operator<(const ThisAdjustment &LHS,
- const ThisAdjustment &RHS) {
- if (LHS.NonVirtual < RHS.NonVirtual)
- return true;
-
- return LHS.NonVirtual == RHS.NonVirtual &&
- LHS.VCallOffsetOffset < RHS.VCallOffsetOffset;
- }
-};
-
-/// ThunkInfo - The 'this' pointer adjustment as well as an optional return
-/// adjustment for a thunk.
-struct ThunkInfo {
- /// This - The 'this' pointer adjustment.
- ThisAdjustment This;
-
- /// Return - The return adjustment.
- ReturnAdjustment Return;
-
- ThunkInfo() { }
-
- ThunkInfo(const ThisAdjustment &This, const ReturnAdjustment &Return)
- : This(This), Return(Return) { }
-
- friend bool operator==(const ThunkInfo &LHS, const ThunkInfo &RHS) {
- return LHS.This == RHS.This && LHS.Return == RHS.Return;
- }
-
- friend bool operator<(const ThunkInfo &LHS, const ThunkInfo &RHS) {
- if (LHS.This < RHS.This)
- return true;
-
- return LHS.This == RHS.This && LHS.Return < RHS.Return;
- }
-
- bool isEmpty() const { return This.isEmpty() && Return.isEmpty(); }
-};
-
// BaseSubobject - Uniquely identifies a direct or indirect base class.
// Stores both the base class decl and the offset from the most derived class to
// the base class.
CodeGenTBAA.cpp
CodeGenTypes.cpp
ItaniumCXXABI.cpp
- Mangle.cpp
MicrosoftCXXABI.cpp
ModuleBuilder.cpp
TargetInfo.cpp
#include "clang/AST/ExprCXX.h"
#include "clang/AST/ExprObjC.h"
#include "clang/AST/CharUnits.h"
+#include "clang/Basic/ABI.h"
#include "clang/Basic/TargetInfo.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallVector.h"
#include "CGBlocks.h"
#include "CGBuilder.h"
#include "CGCall.h"
-#include "CGCXX.h"
#include "CGValue.h"
namespace llvm {
#include "CGCall.h"
#include "CGCXXABI.h"
#include "CGObjCRuntime.h"
-#include "Mangle.h"
#include "TargetInfo.h"
#include "clang/Frontend/CodeGenOptions.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclTemplate.h"
+#include "clang/AST/Mangle.h"
#include "clang/AST/RecordLayout.h"
#include "clang/Basic/Builtins.h"
#include "clang/Basic/Diagnostic.h"
else if (const CXXDestructorDecl *D = dyn_cast<CXXDestructorDecl>(ND))
getCXXABI().getMangleContext().mangleCXXDtor(D, GD.getDtorType(), Buffer);
else if (const BlockDecl *BD = dyn_cast<BlockDecl>(ND))
- getCXXABI().getMangleContext().mangleBlock(GD, BD, Buffer);
+ getCXXABI().getMangleContext().mangleBlock(BD, Buffer);
else
getCXXABI().getMangleContext().mangleName(ND, Buffer);
return Str;
}
-void CodeGenModule::getMangledName(GlobalDecl GD, MangleBuffer &Buffer,
- const BlockDecl *BD) {
- getCXXABI().getMangleContext().mangleBlock(GD, BD, Buffer.getBuffer());
+void CodeGenModule::getBlockMangledName(GlobalDecl GD, MangleBuffer &Buffer,
+ const BlockDecl *BD) {
+ MangleContext &MangleCtx = getCXXABI().getMangleContext();
+ const Decl *D = GD.getDecl();
+ if (D == 0)
+ MangleCtx.mangleGlobalBlock(BD, Buffer.getBuffer());
+ else if (const CXXConstructorDecl *CD = dyn_cast<CXXConstructorDecl>(D))
+ MangleCtx.mangleCtorBlock(CD, GD.getCtorType(), BD, Buffer.getBuffer());
+ else if (const CXXDestructorDecl *DD = dyn_cast<CXXDestructorDecl>(D))
+ MangleCtx.mangleDtorBlock(DD, GD.getDtorType(), BD, Buffer.getBuffer());
+ else
+ MangleCtx.mangleBlock(cast<DeclContext>(D), BD, Buffer.getBuffer());
}
llvm::GlobalValue *CodeGenModule::GetGlobalValue(llvm::StringRef Name) {
void CodeGenModule::EmitGlobalFunctionDefinition(GlobalDecl GD) {
const FunctionDecl *D = cast<FunctionDecl>(GD.getDecl());
const llvm::FunctionType *Ty = getTypes().GetFunctionType(GD);
- getCXXABI().getMangleContext().mangleInitDiscriminator();
// Get or create the prototype for the function.
llvm::Constant *Entry = GetAddrOfFunction(GD, Ty);
#ifndef CLANG_CODEGEN_CODEGENMODULE_H
#define CLANG_CODEGEN_CODEGENMODULE_H
+#include "clang/Basic/ABI.h"
#include "clang/Basic/LangOptions.h"
#include "clang/AST/Attr.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
+#include "clang/AST/Mangle.h"
#include "CGBlocks.h"
#include "CGCall.h"
-#include "CGCXX.h"
#include "CGVTables.h"
#include "CodeGenTypes.h"
#include "GlobalDecl.h"
-#include "Mangle.h"
#include "llvm/Module.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringMap.h"
class Diagnostic;
class AnnotateAttr;
class CXXDestructorDecl;
+ class MangleBuffer;
namespace CodeGen {
class CGCXXABI;
class CGDebugInfo;
class CGObjCRuntime;
- class MangleBuffer;
struct OrderGlobalInits {
unsigned int priority;
unsigned &CallingConv);
llvm::StringRef getMangledName(GlobalDecl GD);
- void getMangledName(GlobalDecl GD, MangleBuffer &Buffer, const BlockDecl *BD);
+ void getBlockMangledName(GlobalDecl GD, MangleBuffer &Buffer,
+ const BlockDecl *BD);
void EmitTentativeDefinition(const VarDecl *D);
//===----------------------------------------------------------------------===//
#include "CodeGenTBAA.h"
-#include "Mangle.h"
#include "clang/AST/ASTContext.h"
+#include "clang/AST/Mangle.h"
#include "llvm/LLVMContext.h"
#include "llvm/Metadata.h"
#include "llvm/Constants.h"
namespace clang {
class ASTContext;
class LangOptions;
+ class MangleContext;
class QualType;
class Type;
namespace CodeGen {
- class MangleContext;
class CGRecordLayout;
/// CodeGenTBAA - This class organizes the cross-module state that is used
#ifndef CLANG_CODEGEN_GLOBALDECL_H
#define CLANG_CODEGEN_GLOBALDECL_H
-#include "CGCXX.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
+#include "clang/Basic/ABI.h"
namespace clang {
#include "CGRecordLayout.h"
#include "CodeGenFunction.h"
#include "CodeGenModule.h"
-#include "Mangle.h"
+#include <clang/AST/Mangle.h>
#include <clang/AST/Type.h>
#include <llvm/Target/TargetData.h>
#include <llvm/Value.h>
private:
const llvm::IntegerType *PtrDiffTy;
protected:
- CodeGen::MangleContext MangleCtx;
bool IsARM;
// It's a little silly for us to cache this.
public:
ItaniumCXXABI(CodeGen::CodeGenModule &CGM, bool IsARM = false) :
- CGCXXABI(CGM), PtrDiffTy(0), MangleCtx(getContext(), CGM.getDiags()),
- IsARM(IsARM) { }
-
- CodeGen::MangleContext &getMangleContext() {
- return MangleCtx;
- }
+ CGCXXABI(CGM), PtrDiffTy(0), IsARM(IsARM) { }
bool isZeroInitializable(const MemberPointerType *MPT);
#include "CGCXXABI.h"
#include "CodeGenModule.h"
-#include "Mangle.h"
-#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
-#include "clang/AST/DeclTemplate.h"
-#include "clang/AST/ExprCXX.h"
-#include "CGVTables.h"
using namespace clang;
using namespace CodeGen;
namespace {
-/// MicrosoftCXXNameMangler - Manage the mangling of a single name for the
-/// Microsoft Visual C++ ABI.
-class MicrosoftCXXNameMangler {
- MangleContext &Context;
- llvm::raw_svector_ostream Out;
-
- ASTContext &getASTContext() const { return Context.getASTContext(); }
-
-public:
- MicrosoftCXXNameMangler(MangleContext &C, llvm::SmallVectorImpl<char> &Res)
- : Context(C), Out(Res) { }
-
- void mangle(const NamedDecl *D, llvm::StringRef Prefix = "?");
- void mangleName(const NamedDecl *ND);
- void mangleFunctionEncoding(const FunctionDecl *FD);
- void mangleVariableEncoding(const VarDecl *VD);
- void mangleNumber(int64_t Number);
- void mangleType(QualType T);
-
-private:
- void mangleUnqualifiedName(const NamedDecl *ND) {
- mangleUnqualifiedName(ND, ND->getDeclName());
- }
- void mangleUnqualifiedName(const NamedDecl *ND, DeclarationName Name);
- void mangleSourceName(const IdentifierInfo *II);
- void manglePostfix(const DeclContext *DC, bool NoFunction=false);
- void mangleOperatorName(OverloadedOperatorKind OO);
- void mangleQualifiers(Qualifiers Quals, bool IsMember);
-
- void mangleObjCMethodName(const ObjCMethodDecl *MD);
-
- // Declare manglers for every type class.
-#define ABSTRACT_TYPE(CLASS, PARENT)
-#define NON_CANONICAL_TYPE(CLASS, PARENT)
-#define TYPE(CLASS, PARENT) void mangleType(const CLASS##Type *T);
-#include "clang/AST/TypeNodes.def"
-
- void mangleType(const TagType*);
- void mangleType(const FunctionType *T, const FunctionDecl *D,
- bool IsStructor, bool IsInstMethod);
- void mangleType(const ArrayType *T, bool IsGlobal);
- void mangleExtraDimensions(QualType T);
- void mangleFunctionClass(const FunctionDecl *FD);
- void mangleCallingConvention(const FunctionType *T, bool IsInstMethod = false);
- void mangleThrowSpecification(const FunctionProtoType *T);
-
-};
-
-/// MicrosoftMangleContext - Overrides the default MangleContext for the
-/// Microsoft Visual C++ ABI.
-class MicrosoftMangleContext : public MangleContext {
-public:
- MicrosoftMangleContext(ASTContext &Context,
- Diagnostic &Diags) : MangleContext(Context, Diags) { }
- virtual bool shouldMangleDeclName(const NamedDecl *D);
- virtual void mangleName(const NamedDecl *D, llvm::SmallVectorImpl<char> &);
- virtual void mangleThunk(const CXXMethodDecl *MD,
- const ThunkInfo &Thunk,
- llvm::SmallVectorImpl<char> &);
- virtual void mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type,
- const ThisAdjustment &ThisAdjustment,
- llvm::SmallVectorImpl<char> &);
- virtual void mangleCXXVTable(const CXXRecordDecl *RD,
- llvm::SmallVectorImpl<char> &);
- virtual void mangleCXXVTT(const CXXRecordDecl *RD,
- llvm::SmallVectorImpl<char> &);
- virtual void mangleCXXCtorVTable(const CXXRecordDecl *RD, int64_t Offset,
- const CXXRecordDecl *Type,
- llvm::SmallVectorImpl<char> &);
- virtual void mangleCXXRTTI(QualType T, llvm::SmallVectorImpl<char> &);
- virtual void mangleCXXRTTIName(QualType T, llvm::SmallVectorImpl<char> &);
- virtual void mangleCXXCtor(const CXXConstructorDecl *D, CXXCtorType Type,
- llvm::SmallVectorImpl<char> &);
- virtual void mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type,
- llvm::SmallVectorImpl<char> &);
-};
-
class MicrosoftCXXABI : public CGCXXABI {
- MicrosoftMangleContext MangleCtx;
public:
- MicrosoftCXXABI(CodeGenModule &CGM)
- : CGCXXABI(CGM), MangleCtx(CGM.getContext(), CGM.getDiags()) {}
-
- MicrosoftMangleContext &getMangleContext() {
- return MangleCtx;
- }
+ MicrosoftCXXABI(CodeGenModule &CGM) : CGCXXABI(CGM) {}
void BuildConstructorSignature(const CXXConstructorDecl *Ctor,
CXXCtorType Type,
}
-static bool isInCLinkageSpecification(const Decl *D) {
- D = D->getCanonicalDecl();
- for (const DeclContext *DC = D->getDeclContext();
- !DC->isTranslationUnit(); DC = DC->getParent()) {
- if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC))
- return Linkage->getLanguage() == LinkageSpecDecl::lang_c;
- }
-
- return false;
-}
-
-bool MicrosoftMangleContext::shouldMangleDeclName(const NamedDecl *D) {
- // In C, functions with no attributes never need to be mangled. Fastpath them.
- if (!getASTContext().getLangOptions().CPlusPlus && !D->hasAttrs())
- return false;
-
- // Any decl can be declared with __asm("foo") on it, and this takes precedence
- // over all other naming in the .o file.
- if (D->hasAttr<AsmLabelAttr>())
- return true;
-
- // Clang's "overloadable" attribute extension to C/C++ implies name mangling
- // (always) as does passing a C++ member function and a function
- // whose name is not a simple identifier.
- const FunctionDecl *FD = dyn_cast<FunctionDecl>(D);
- if (FD && (FD->hasAttr<OverloadableAttr>() || isa<CXXMethodDecl>(FD) ||
- !FD->getDeclName().isIdentifier()))
- return true;
-
- // Otherwise, no mangling is done outside C++ mode.
- if (!getASTContext().getLangOptions().CPlusPlus)
- return false;
-
- // Variables at global scope with internal linkage are not mangled.
- if (!FD) {
- const DeclContext *DC = D->getDeclContext();
- if (DC->isTranslationUnit() && D->getLinkage() == InternalLinkage)
- return false;
- }
-
- // C functions and "main" are not mangled.
- if ((FD && FD->isMain()) || isInCLinkageSpecification(D))
- return false;
-
- return true;
-}
-
-void MicrosoftCXXNameMangler::mangle(const NamedDecl *D,
- llvm::StringRef Prefix) {
- // MSVC doesn't mangle C++ names the same way it mangles extern "C" names.
- // Therefore it's really important that we don't decorate the
- // name with leading underscores or leading/trailing at signs. So, emit a
- // asm marker at the start so we get the name right.
- Out << '\01'; // LLVM IR Marker for __asm("foo")
-
- // Any decl can be declared with __asm("foo") on it, and this takes precedence
- // over all other naming in the .o file.
- if (const AsmLabelAttr *ALA = D->getAttr<AsmLabelAttr>()) {
- // If we have an asm name, then we use it as the mangling.
- Out << ALA->getLabel();
- return;
- }
-
- // <mangled-name> ::= ? <name> <type-encoding>
- Out << Prefix;
- mangleName(D);
- if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
- mangleFunctionEncoding(FD);
- else if (const VarDecl *VD = dyn_cast<VarDecl>(D))
- mangleVariableEncoding(VD);
- // TODO: Fields? Can MSVC even mangle them?
-}
-
-void MicrosoftCXXNameMangler::mangleFunctionEncoding(const FunctionDecl *FD) {
- // <type-encoding> ::= <function-class> <function-type>
-
- // Don't mangle in the type if this isn't a decl we should typically mangle.
- if (!Context.shouldMangleDeclName(FD))
- return;
-
- // We should never ever see a FunctionNoProtoType at this point.
- // We don't even know how to mangle their types anyway :).
- const FunctionProtoType *FT = cast<FunctionProtoType>(FD->getType());
-
- bool InStructor = false, InInstMethod = false;
- const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD);
- if (MD) {
- if (MD->isInstance())
- InInstMethod = true;
- if (isa<CXXConstructorDecl>(MD) || isa<CXXDestructorDecl>(MD))
- InStructor = true;
- }
-
- // First, the function class.
- mangleFunctionClass(FD);
-
- mangleType(FT, FD, InStructor, InInstMethod);
-}
-
-void MicrosoftCXXNameMangler::mangleVariableEncoding(const VarDecl *VD) {
- // <type-encoding> ::= <storage-class> <variable-type>
- // <storage-class> ::= 0 # private static member
- // ::= 1 # protected static member
- // ::= 2 # public static member
- // ::= 3 # global
- // ::= 4 # static local
-
- // The first character in the encoding (after the name) is the storage class.
- if (VD->isStaticDataMember()) {
- // If it's a static member, it also encodes the access level.
- switch (VD->getAccess()) {
- default:
- case AS_private: Out << '0'; break;
- case AS_protected: Out << '1'; break;
- case AS_public: Out << '2'; break;
- }
- }
- else if (!VD->isStaticLocal())
- Out << '3';
- else
- Out << '4';
- // Now mangle the type.
- // <variable-type> ::= <type> <cvr-qualifiers>
- // ::= <type> A # pointers, references, arrays
- // Pointers and references are odd. The type of 'int * const foo;' gets
- // mangled as 'QAHA' instead of 'PAHB', for example.
- QualType Ty = VD->getType();
- if (Ty->isPointerType() || Ty->isReferenceType()) {
- mangleType(Ty);
- Out << 'A';
- } else if (Ty->isArrayType()) {
- // Global arrays are funny, too.
- mangleType(static_cast<ArrayType *>(Ty.getTypePtr()), true);
- Out << 'A';
- } else {
- mangleType(Ty.getLocalUnqualifiedType());
- mangleQualifiers(Ty.getLocalQualifiers(), false);
- }
-}
-
-void MicrosoftCXXNameMangler::mangleName(const NamedDecl *ND) {
- // <name> ::= <unscoped-name> {[<named-scope>]+ | [<nested-name>]}? @
- const DeclContext *DC = ND->getDeclContext();
-
- // Always start with the unqualified name.
- mangleUnqualifiedName(ND);
-
- // If this is an extern variable declared locally, the relevant DeclContext
- // is that of the containing namespace, or the translation unit.
- if (isa<FunctionDecl>(DC) && ND->hasLinkage())
- while (!DC->isNamespace() && !DC->isTranslationUnit())
- DC = DC->getParent();
-
- manglePostfix(DC);
-
- // Terminate the whole name with an '@'.
- Out << '@';
-}
-
-void MicrosoftCXXNameMangler::mangleNumber(int64_t Number) {
- // <number> ::= [?] <decimal digit> # <= 9
- // ::= [?] <hex digit>+ @ # > 9; A = 0, B = 1, etc...
- if (Number < 0) {
- Out << '?';
- Number = -Number;
- }
- if (Number >= 1 && Number <= 10) {
- Out << Number-1;
- } else {
- // We have to build up the encoding in reverse order, so it will come
- // out right when we write it out.
- char Encoding[16];
- char *EndPtr = Encoding+sizeof(Encoding);
- char *CurPtr = EndPtr;
- while (Number) {
- *--CurPtr = 'A' + (Number % 16);
- Number /= 16;
- }
- Out.write(CurPtr, EndPtr-CurPtr);
- Out << '@';
- }
-}
-
-void
-MicrosoftCXXNameMangler::mangleUnqualifiedName(const NamedDecl *ND,
- DeclarationName Name) {
- // <unqualified-name> ::= <operator-name>
- // ::= <ctor-dtor-name>
- // ::= <source-name>
- switch (Name.getNameKind()) {
- case DeclarationName::Identifier: {
- if (const IdentifierInfo *II = Name.getAsIdentifierInfo()) {
- mangleSourceName(II);
- break;
- }
-
- // Otherwise, an anonymous entity. We must have a declaration.
- assert(ND && "mangling empty name without declaration");
-
- if (const NamespaceDecl *NS = dyn_cast<NamespaceDecl>(ND)) {
- if (NS->isAnonymousNamespace()) {
- Out << "?A";
- break;
- }
- }
-
- // We must have an anonymous struct.
- const TagDecl *TD = cast<TagDecl>(ND);
- if (const TypedefDecl *D = TD->getTypedefForAnonDecl()) {
- assert(TD->getDeclContext() == D->getDeclContext() &&
- "Typedef should not be in another decl context!");
- assert(D->getDeclName().getAsIdentifierInfo() &&
- "Typedef was not named!");
- mangleSourceName(D->getDeclName().getAsIdentifierInfo());
- break;
- }
-
- // When VC encounters an anonymous type with no tag and no typedef,
- // it literally emits '<unnamed-tag>'.
- Out << "<unnamed-tag>";
- break;
- }
-
- case DeclarationName::ObjCZeroArgSelector:
- case DeclarationName::ObjCOneArgSelector:
- case DeclarationName::ObjCMultiArgSelector:
- assert(false && "Can't mangle Objective-C selector names here!");
- break;
-
- case DeclarationName::CXXConstructorName:
- assert(false && "Can't mangle constructors yet!");
- break;
-
- case DeclarationName::CXXDestructorName:
- assert(false && "Can't mangle destructors yet!");
- break;
-
- case DeclarationName::CXXConversionFunctionName:
- // <operator-name> ::= ?B # (cast)
- // The target type is encoded as the return type.
- Out << "?B";
- break;
-
- case DeclarationName::CXXOperatorName:
- mangleOperatorName(Name.getCXXOverloadedOperator());
- break;
-
- case DeclarationName::CXXLiteralOperatorName:
- // FIXME: Was this added in VS2010? Does MS even know how to mangle this?
- assert(false && "Don't know how to mangle literal operators yet!");
- break;
-
- case DeclarationName::CXXUsingDirective:
- assert(false && "Can't mangle a using directive name!");
- break;
- }
-}
-
-void MicrosoftCXXNameMangler::manglePostfix(const DeclContext *DC,
- bool NoFunction) {
- // <postfix> ::= <unqualified-name> [<postfix>]
- // ::= <template-postfix> <template-args> [<postfix>]
- // ::= <template-param>
- // ::= <substitution> [<postfix>]
-
- if (!DC) return;
-
- while (isa<LinkageSpecDecl>(DC))
- DC = DC->getParent();
-
- if (DC->isTranslationUnit())
- return;
-
- if (const BlockDecl *BD = dyn_cast<BlockDecl>(DC)) {
- llvm::SmallString<64> Name;
- Context.mangleBlock(GlobalDecl(), BD, Name);
- Out << Name << '@';
- return manglePostfix(DC->getParent(), NoFunction);
- }
-
- if (NoFunction && (isa<FunctionDecl>(DC) || isa<ObjCMethodDecl>(DC)))
- return;
- else if (const ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(DC))
- mangleObjCMethodName(Method);
- else {
- mangleUnqualifiedName(cast<NamedDecl>(DC));
- manglePostfix(DC->getParent(), NoFunction);
- }
-}
-
-void MicrosoftCXXNameMangler::mangleOperatorName(OverloadedOperatorKind OO) {
- switch (OO) {
- // ?0 # constructor
- // ?1 # destructor
- // <operator-name> ::= ?2 # new
- case OO_New: Out << "?2"; break;
- // <operator-name> ::= ?3 # delete
- case OO_Delete: Out << "?3"; break;
- // <operator-name> ::= ?4 # =
- case OO_Equal: Out << "?4"; break;
- // <operator-name> ::= ?5 # >>
- case OO_GreaterGreater: Out << "?5"; break;
- // <operator-name> ::= ?6 # <<
- case OO_LessLess: Out << "?6"; break;
- // <operator-name> ::= ?7 # !
- case OO_Exclaim: Out << "?7"; break;
- // <operator-name> ::= ?8 # ==
- case OO_EqualEqual: Out << "?8"; break;
- // <operator-name> ::= ?9 # !=
- case OO_ExclaimEqual: Out << "?9"; break;
- // <operator-name> ::= ?A # []
- case OO_Subscript: Out << "?A"; break;
- // ?B # conversion
- // <operator-name> ::= ?C # ->
- case OO_Arrow: Out << "?C"; break;
- // <operator-name> ::= ?D # *
- case OO_Star: Out << "?D"; break;
- // <operator-name> ::= ?E # ++
- case OO_PlusPlus: Out << "?E"; break;
- // <operator-name> ::= ?F # --
- case OO_MinusMinus: Out << "?F"; break;
- // <operator-name> ::= ?G # -
- case OO_Minus: Out << "?G"; break;
- // <operator-name> ::= ?H # +
- case OO_Plus: Out << "?H"; break;
- // <operator-name> ::= ?I # &
- case OO_Amp: Out << "?I"; break;
- // <operator-name> ::= ?J # ->*
- case OO_ArrowStar: Out << "?J"; break;
- // <operator-name> ::= ?K # /
- case OO_Slash: Out << "?K"; break;
- // <operator-name> ::= ?L # %
- case OO_Percent: Out << "?L"; break;
- // <operator-name> ::= ?M # <
- case OO_Less: Out << "?M"; break;
- // <operator-name> ::= ?N # <=
- case OO_LessEqual: Out << "?N"; break;
- // <operator-name> ::= ?O # >
- case OO_Greater: Out << "?O"; break;
- // <operator-name> ::= ?P # >=
- case OO_GreaterEqual: Out << "?P"; break;
- // <operator-name> ::= ?Q # ,
- case OO_Comma: Out << "?Q"; break;
- // <operator-name> ::= ?R # ()
- case OO_Call: Out << "?R"; break;
- // <operator-name> ::= ?S # ~
- case OO_Tilde: Out << "?S"; break;
- // <operator-name> ::= ?T # ^
- case OO_Caret: Out << "?T"; break;
- // <operator-name> ::= ?U # |
- case OO_Pipe: Out << "?U"; break;
- // <operator-name> ::= ?V # &&
- case OO_AmpAmp: Out << "?V"; break;
- // <operator-name> ::= ?W # ||
- case OO_PipePipe: Out << "?W"; break;
- // <operator-name> ::= ?X # *=
- case OO_StarEqual: Out << "?X"; break;
- // <operator-name> ::= ?Y # +=
- case OO_PlusEqual: Out << "?Y"; break;
- // <operator-name> ::= ?Z # -=
- case OO_MinusEqual: Out << "?Z"; break;
- // <operator-name> ::= ?_0 # /=
- case OO_SlashEqual: Out << "?_0"; break;
- // <operator-name> ::= ?_1 # %=
- case OO_PercentEqual: Out << "?_1"; break;
- // <operator-name> ::= ?_2 # >>=
- case OO_GreaterGreaterEqual: Out << "?_2"; break;
- // <operator-name> ::= ?_3 # <<=
- case OO_LessLessEqual: Out << "?_3"; break;
- // <operator-name> ::= ?_4 # &=
- case OO_AmpEqual: Out << "?_4"; break;
- // <operator-name> ::= ?_5 # |=
- case OO_PipeEqual: Out << "?_5"; break;
- // <operator-name> ::= ?_6 # ^=
- case OO_CaretEqual: Out << "?_6"; break;
- // ?_7 # vftable
- // ?_8 # vbtable
- // ?_9 # vcall
- // ?_A # typeof
- // ?_B # local static guard
- // ?_C # string
- // ?_D # vbase destructor
- // ?_E # vector deleting destructor
- // ?_F # default constructor closure
- // ?_G # scalar deleting destructor
- // ?_H # vector constructor iterator
- // ?_I # vector destructor iterator
- // ?_J # vector vbase constructor iterator
- // ?_K # virtual displacement map
- // ?_L # eh vector constructor iterator
- // ?_M # eh vector destructor iterator
- // ?_N # eh vector vbase constructor iterator
- // ?_O # copy constructor closure
- // ?_P<name> # udt returning <name>
- // ?_Q # <unknown>
- // ?_R0 # RTTI Type Descriptor
- // ?_R1 # RTTI Base Class Descriptor at (a,b,c,d)
- // ?_R2 # RTTI Base Class Array
- // ?_R3 # RTTI Class Hierarchy Descriptor
- // ?_R4 # RTTI Complete Object Locator
- // ?_S # local vftable
- // ?_T # local vftable constructor closure
- // <operator-name> ::= ?_U # new[]
- case OO_Array_New: Out << "?_U"; break;
- // <operator-name> ::= ?_V # delete[]
- case OO_Array_Delete: Out << "?_V"; break;
-
- case OO_Conditional:
- assert(false && "Don't know how to mangle ?:");
- break;
-
- case OO_None:
- case NUM_OVERLOADED_OPERATORS:
- assert(false && "Not an overloaded operator");
- break;
- }
-}
-
-void MicrosoftCXXNameMangler::mangleSourceName(const IdentifierInfo *II) {
- // <source name> ::= <identifier> @
- Out << II->getName() << '@';
-}
-
-void MicrosoftCXXNameMangler::mangleObjCMethodName(const ObjCMethodDecl *MD) {
- llvm::SmallString<64> Buffer;
- MiscNameMangler(Context, Buffer).mangleObjCMethodName(MD);
- Out << Buffer;
-}
-
-void MicrosoftCXXNameMangler::mangleQualifiers(Qualifiers Quals,
- bool IsMember) {
- // <cvr-qualifiers> ::= [E] [F] [I] <base-cvr-qualifiers>
- // 'E' means __ptr64 (32-bit only); 'F' means __unaligned (32/64-bit only);
- // 'I' means __restrict (32/64-bit).
- // Note that the MSVC __restrict keyword isn't the same as the C99 restrict
- // keyword!
- // <base-cvr-qualifiers> ::= A # near
- // ::= B # near const
- // ::= C # near volatile
- // ::= D # near const volatile
- // ::= E # far (16-bit)
- // ::= F # far const (16-bit)
- // ::= G # far volatile (16-bit)
- // ::= H # far const volatile (16-bit)
- // ::= I # huge (16-bit)
- // ::= J # huge const (16-bit)
- // ::= K # huge volatile (16-bit)
- // ::= L # huge const volatile (16-bit)
- // ::= M <basis> # based
- // ::= N <basis> # based const
- // ::= O <basis> # based volatile
- // ::= P <basis> # based const volatile
- // ::= Q # near member
- // ::= R # near const member
- // ::= S # near volatile member
- // ::= T # near const volatile member
- // ::= U # far member (16-bit)
- // ::= V # far const member (16-bit)
- // ::= W # far volatile member (16-bit)
- // ::= X # far const volatile member (16-bit)
- // ::= Y # huge member (16-bit)
- // ::= Z # huge const member (16-bit)
- // ::= 0 # huge volatile member (16-bit)
- // ::= 1 # huge const volatile member (16-bit)
- // ::= 2 <basis> # based member
- // ::= 3 <basis> # based const member
- // ::= 4 <basis> # based volatile member
- // ::= 5 <basis> # based const volatile member
- // ::= 6 # near function (pointers only)
- // ::= 7 # far function (pointers only)
- // ::= 8 # near method (pointers only)
- // ::= 9 # far method (pointers only)
- // ::= _A <basis> # based function (pointers only)
- // ::= _B <basis> # based function (far?) (pointers only)
- // ::= _C <basis> # based method (pointers only)
- // ::= _D <basis> # based method (far?) (pointers only)
- // ::= _E # block (Clang)
- // <basis> ::= 0 # __based(void)
- // ::= 1 # __based(segment)?
- // ::= 2 <name> # __based(name)
- // ::= 3 # ?
- // ::= 4 # ?
- // ::= 5 # not really based
- if (!IsMember) {
- if (!Quals.hasVolatile()) {
- if (!Quals.hasConst())
- Out << 'A';
- else
- Out << 'B';
- } else {
- if (!Quals.hasConst())
- Out << 'C';
- else
- Out << 'D';
- }
- } else {
- if (!Quals.hasVolatile()) {
- if (!Quals.hasConst())
- Out << 'Q';
- else
- Out << 'R';
- } else {
- if (!Quals.hasConst())
- Out << 'S';
- else
- Out << 'T';
- }
- }
-
- // FIXME: For now, just drop all extension qualifiers on the floor.
-}
-
-void MicrosoftCXXNameMangler::mangleType(QualType T) {
- // Only operate on the canonical type!
- T = getASTContext().getCanonicalType(T);
-
- Qualifiers Quals = T.getLocalQualifiers();
- if (Quals) {
- // We have to mangle these now, while we still have enough information.
- // <pointer-cvr-qualifiers> ::= P # pointer
- // ::= Q # const pointer
- // ::= R # volatile pointer
- // ::= S # const volatile pointer
- if (T->isAnyPointerType() || T->isMemberPointerType() ||
- T->isBlockPointerType()) {
- if (!Quals.hasVolatile())
- Out << 'Q';
- else {
- if (!Quals.hasConst())
- Out << 'R';
- else
- Out << 'S';
- }
- } else
- // Just emit qualifiers like normal.
- // NB: When we mangle a pointer/reference type, and the pointee
- // type has no qualifiers, the lack of qualifier gets mangled
- // in there.
- mangleQualifiers(Quals, false);
- } else if (T->isAnyPointerType() || T->isMemberPointerType() ||
- T->isBlockPointerType()) {
- Out << 'P';
- }
- switch (T->getTypeClass()) {
-#define ABSTRACT_TYPE(CLASS, PARENT)
-#define NON_CANONICAL_TYPE(CLASS, PARENT) \
-case Type::CLASS: \
-llvm_unreachable("can't mangle non-canonical type " #CLASS "Type"); \
-return;
-#define TYPE(CLASS, PARENT) \
-case Type::CLASS: \
-mangleType(static_cast<const CLASS##Type*>(T.getTypePtr())); \
-break;
-#include "clang/AST/TypeNodes.def"
- }
-}
-
-void MicrosoftCXXNameMangler::mangleType(const BuiltinType *T) {
- // <type> ::= <builtin-type>
- // <builtin-type> ::= X # void
- // ::= C # signed char
- // ::= D # char
- // ::= E # unsigned char
- // ::= F # short
- // ::= G # unsigned short (or wchar_t if it's not a builtin)
- // ::= H # int
- // ::= I # unsigned int
- // ::= J # long
- // ::= K # unsigned long
- // L # <none>
- // ::= M # float
- // ::= N # double
- // ::= O # long double (__float80 is mangled differently)
- // ::= _D # __int8 (yup, it's a distinct type in MSVC)
- // ::= _E # unsigned __int8
- // ::= _F # __int16
- // ::= _G # unsigned __int16
- // ::= _H # __int32
- // ::= _I # unsigned __int32
- // ::= _J # long long, __int64
- // ::= _K # unsigned long long, __int64
- // ::= _L # __int128
- // ::= _M # unsigned __int128
- // ::= _N # bool
- // _O # <array in parameter>
- // ::= _T # __float80 (Intel)
- // ::= _W # wchar_t
- // ::= _Z # __float80 (Digital Mars)
- switch (T->getKind()) {
- case BuiltinType::Void: Out << 'X'; break;
- case BuiltinType::SChar: Out << 'C'; break;
- case BuiltinType::Char_U: case BuiltinType::Char_S: Out << 'D'; break;
- case BuiltinType::UChar: Out << 'E'; break;
- case BuiltinType::Short: Out << 'F'; break;
- case BuiltinType::UShort: Out << 'G'; break;
- case BuiltinType::Int: Out << 'H'; break;
- case BuiltinType::UInt: Out << 'I'; break;
- case BuiltinType::Long: Out << 'J'; break;
- case BuiltinType::ULong: Out << 'K'; break;
- case BuiltinType::Float: Out << 'M'; break;
- case BuiltinType::Double: Out << 'N'; break;
- // TODO: Determine size and mangle accordingly
- case BuiltinType::LongDouble: Out << 'O'; break;
- // TODO: __int8 and friends
- case BuiltinType::LongLong: Out << "_J"; break;
- case BuiltinType::ULongLong: Out << "_K"; break;
- case BuiltinType::Int128: Out << "_L"; break;
- case BuiltinType::UInt128: Out << "_M"; break;
- case BuiltinType::Bool: Out << "_N"; break;
- case BuiltinType::WChar_S:
- case BuiltinType::WChar_U: Out << "_W"; break;
-
- case BuiltinType::Overload:
- case BuiltinType::Dependent:
- assert(false &&
- "Overloaded and dependent types shouldn't get to name mangling");
- break;
- case BuiltinType::UndeducedAuto:
- assert(0 && "Should not see undeduced auto here");
- break;
- case BuiltinType::ObjCId: Out << "PAUobjc_object@@"; break;
- case BuiltinType::ObjCClass: Out << "PAUobjc_class@@"; break;
- case BuiltinType::ObjCSel: Out << "PAUobjc_selector@@"; break;
-
- case BuiltinType::Char16:
- case BuiltinType::Char32:
- case BuiltinType::NullPtr:
- assert(false && "Don't know how to mangle this type");
- break;
- }
-}
-
-// <type> ::= <function-type>
-void MicrosoftCXXNameMangler::mangleType(const FunctionProtoType *T) {
- // Structors only appear in decls, so at this point we know it's not a
- // structor type.
- // I'll probably have mangleType(MemberPointerType) call the mangleType()
- // method directly.
- mangleType(T, NULL, false, false);
-}
-void MicrosoftCXXNameMangler::mangleType(const FunctionNoProtoType *T) {
- llvm_unreachable("Can't mangle K&R function prototypes");
-}
-
-void MicrosoftCXXNameMangler::mangleType(const FunctionType *T,
- const FunctionDecl *D,
- bool IsStructor,
- bool IsInstMethod) {
- // <function-type> ::= <this-cvr-qualifiers> <calling-convention>
- // <return-type> <argument-list> <throw-spec>
- const FunctionProtoType *Proto = cast<FunctionProtoType>(T);
-
- // If this is a C++ instance method, mangle the CVR qualifiers for the
- // this pointer.
- if (IsInstMethod)
- mangleQualifiers(Qualifiers::fromCVRMask(Proto->getTypeQuals()), false);
-
- mangleCallingConvention(T, IsInstMethod);
-
- // <return-type> ::= <type>
- // ::= @ # structors (they have no declared return type)
- if (IsStructor)
- Out << '@';
- else
- mangleType(Proto->getResultType());
-
- // <argument-list> ::= X # void
- // ::= <type>+ @
- // ::= <type>* Z # varargs
- if (Proto->getNumArgs() == 0 && !Proto->isVariadic()) {
- Out << 'X';
- } else {
- if (D) {
- // If we got a decl, use the "types-as-written" to make sure arrays
- // get mangled right.
- for (FunctionDecl::param_const_iterator Parm = D->param_begin(),
- ParmEnd = D->param_end();
- Parm != ParmEnd; ++Parm)
- mangleType((*Parm)->getTypeSourceInfo()->getType());
- } else {
- for (FunctionProtoType::arg_type_iterator Arg = Proto->arg_type_begin(),
- ArgEnd = Proto->arg_type_end();
- Arg != ArgEnd; ++Arg)
- mangleType(*Arg);
- }
- // <builtin-type> ::= Z # ellipsis
- if (Proto->isVariadic())
- Out << 'Z';
- else
- Out << '@';
- }
-
- mangleThrowSpecification(Proto);
-}
-
-void MicrosoftCXXNameMangler::mangleFunctionClass(const FunctionDecl *FD) {
- // <function-class> ::= A # private: near
- // ::= B # private: far
- // ::= C # private: static near
- // ::= D # private: static far
- // ::= E # private: virtual near
- // ::= F # private: virtual far
- // ::= G # private: thunk near
- // ::= H # private: thunk far
- // ::= I # protected: near
- // ::= J # protected: far
- // ::= K # protected: static near
- // ::= L # protected: static far
- // ::= M # protected: virtual near
- // ::= N # protected: virtual far
- // ::= O # protected: thunk near
- // ::= P # protected: thunk far
- // ::= Q # public: near
- // ::= R # public: far
- // ::= S # public: static near
- // ::= T # public: static far
- // ::= U # public: virtual near
- // ::= V # public: virtual far
- // ::= W # public: thunk near
- // ::= X # public: thunk far
- // ::= Y # global near
- // ::= Z # global far
- if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) {
- switch (MD->getAccess()) {
- default:
- case AS_private:
- if (MD->isStatic())
- Out << 'C';
- else if (MD->isVirtual())
- Out << 'E';
- else
- Out << 'A';
- break;
- case AS_protected:
- if (MD->isStatic())
- Out << 'K';
- else if (MD->isVirtual())
- Out << 'M';
- else
- Out << 'I';
- break;
- case AS_public:
- if (MD->isStatic())
- Out << 'S';
- else if (MD->isVirtual())
- Out << 'U';
- else
- Out << 'Q';
- }
- } else
- Out << 'Y';
-}
-void MicrosoftCXXNameMangler::mangleCallingConvention(const FunctionType *T,
- bool IsInstMethod) {
- // <calling-convention> ::= A # __cdecl
- // ::= B # __export __cdecl
- // ::= C # __pascal
- // ::= D # __export __pascal
- // ::= E # __thiscall
- // ::= F # __export __thiscall
- // ::= G # __stdcall
- // ::= H # __export __stdcall
- // ::= I # __fastcall
- // ::= J # __export __fastcall
- // The 'export' calling conventions are from a bygone era
- // (*cough*Win16*cough*) when functions were declared for export with
- // that keyword. (It didn't actually export them, it just made them so
- // that they could be in a DLL and somebody from another module could call
- // them.)
- CallingConv CC = T->getCallConv();
- if (CC == CC_Default)
- CC = IsInstMethod ? getASTContext().getDefaultMethodCallConv() : CC_C;
- switch (CC) {
- case CC_Default:
- case CC_C: Out << 'A'; break;
- case CC_X86Pascal: Out << 'C'; break;
- case CC_X86ThisCall: Out << 'E'; break;
- case CC_X86StdCall: Out << 'G'; break;
- case CC_X86FastCall: Out << 'I'; break;
- }
-}
-void MicrosoftCXXNameMangler::mangleThrowSpecification(
- const FunctionProtoType *FT) {
- // <throw-spec> ::= Z # throw(...) (default)
- // ::= @ # throw() or __declspec/__attribute__((nothrow))
- // ::= <type>+
- // NOTE: Since the Microsoft compiler ignores throw specifications, they are
- // all actually mangled as 'Z'. (They're ignored because their associated
- // functionality isn't implemented, and probably never will be.)
- Out << 'Z';
-}
-
-void MicrosoftCXXNameMangler::mangleType(const UnresolvedUsingType *T) {
- assert(false && "Don't know how to mangle UnresolvedUsingTypes yet!");
-}
-
-// <type> ::= <union-type> | <struct-type> | <class-type> | <enum-type>
-// <union-type> ::= T <name>
-// <struct-type> ::= U <name>
-// <class-type> ::= V <name>
-// <enum-type> ::= W <size> <name>
-void MicrosoftCXXNameMangler::mangleType(const EnumType *T) {
- mangleType(static_cast<const TagType*>(T));
-}
-void MicrosoftCXXNameMangler::mangleType(const RecordType *T) {
- mangleType(static_cast<const TagType*>(T));
-}
-void MicrosoftCXXNameMangler::mangleType(const TagType *T) {
- switch (T->getDecl()->getTagKind()) {
- case TTK_Union:
- Out << 'T';
- break;
- case TTK_Struct:
- Out << 'U';
- break;
- case TTK_Class:
- Out << 'V';
- break;
- case TTK_Enum:
- Out << 'W';
- Out << getASTContext().getTypeSizeInChars(
- cast<EnumDecl>(T->getDecl())->getIntegerType()).getQuantity();
- break;
- }
- mangleName(T->getDecl());
-}
-
-// <type> ::= <array-type>
-// <array-type> ::= P <cvr-qualifiers> [Y <dimension-count> <dimension>+]
-// <element-type> # as global
-// ::= Q <cvr-qualifiers> [Y <dimension-count> <dimension>+]
-// <element-type> # as param
-// It's supposed to be the other way around, but for some strange reason, it
-// isn't. Today this behavior is retained for the sole purpose of backwards
-// compatibility.
-void MicrosoftCXXNameMangler::mangleType(const ArrayType *T, bool IsGlobal) {
- // This isn't a recursive mangling, so now we have to do it all in this
- // one call.
- if (IsGlobal)
- Out << 'P';
- else
- Out << 'Q';
- mangleExtraDimensions(T->getElementType());
-}
-void MicrosoftCXXNameMangler::mangleType(const ConstantArrayType *T) {
- mangleType(static_cast<const ArrayType *>(T), false);
-}
-void MicrosoftCXXNameMangler::mangleType(const VariableArrayType *T) {
- mangleType(static_cast<const ArrayType *>(T), false);
-}
-void MicrosoftCXXNameMangler::mangleType(const DependentSizedArrayType *T) {
- mangleType(static_cast<const ArrayType *>(T), false);
-}
-void MicrosoftCXXNameMangler::mangleType(const IncompleteArrayType *T) {
- mangleType(static_cast<const ArrayType *>(T), false);
-}
-void MicrosoftCXXNameMangler::mangleExtraDimensions(QualType ElementTy) {
- llvm::SmallVector<llvm::APInt, 3> Dimensions;
- for (;;) {
- if (ElementTy->isConstantArrayType()) {
- const ConstantArrayType *CAT =
- static_cast<const ConstantArrayType *>(ElementTy.getTypePtr());
- Dimensions.push_back(CAT->getSize());
- ElementTy = CAT->getElementType();
- } else if (ElementTy->isVariableArrayType()) {
- assert(false && "Don't know how to mangle VLAs!");
- } else if (ElementTy->isDependentSizedArrayType()) {
- // The dependent expression has to be folded into a constant (TODO).
- assert(false && "Don't know how to mangle dependent-sized arrays!");
- } else if (ElementTy->isIncompleteArrayType()) continue;
- else break;
- }
- mangleQualifiers(ElementTy.getQualifiers(), false);
- // If there are any additional dimensions, mangle them now.
- if (Dimensions.size() > 0) {
- Out << 'Y';
- // <dimension-count> ::= <number> # number of extra dimensions
- mangleNumber(Dimensions.size());
- for (unsigned Dim = 0; Dim < Dimensions.size(); ++Dim) {
- mangleNumber(Dimensions[Dim].getLimitedValue());
- }
- }
- mangleType(ElementTy.getLocalUnqualifiedType());
-}
-
-// <type> ::= <pointer-to-member-type>
-// <pointer-to-member-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers>
-// <class name> <type>
-void MicrosoftCXXNameMangler::mangleType(const MemberPointerType *T) {
- QualType PointeeType = T->getPointeeType();
- if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(PointeeType)) {
- Out << '8';
- mangleName(cast<RecordType>(T->getClass())->getDecl());
- mangleType(FPT, NULL, false, true);
- } else {
- mangleQualifiers(PointeeType.getQualifiers(), true);
- mangleName(cast<RecordType>(T->getClass())->getDecl());
- mangleType(PointeeType.getLocalUnqualifiedType());
- }
-}
-
-void MicrosoftCXXNameMangler::mangleType(const TemplateTypeParmType *T) {
- assert(false && "Don't know how to mangle TemplateTypeParmTypes yet!");
-}
-
-// <type> ::= <pointer-type>
-// <pointer-type> ::= <pointer-cvr-qualifiers> <cvr-qualifiers> <type>
-void MicrosoftCXXNameMangler::mangleType(const PointerType *T) {
- QualType PointeeTy = T->getPointeeType();
- if (PointeeTy->isArrayType()) {
- // Pointers to arrays are mangled like arrays.
- mangleExtraDimensions(T->getPointeeType());
- } else if (PointeeTy->isFunctionType()) {
- // Function pointers are special.
- Out << '6';
- mangleType(static_cast<const FunctionType *>(PointeeTy.getTypePtr()),
- NULL, false, false);
- } else {
- if (!PointeeTy.hasQualifiers())
- // Lack of qualifiers is mangled as 'A'.
- Out << 'A';
- mangleType(PointeeTy);
- }
-}
-void MicrosoftCXXNameMangler::mangleType(const ObjCObjectPointerType *T) {
- // Object pointers never have qualifiers.
- Out << 'A';
- mangleType(T->getPointeeType());
-}
-
-// <type> ::= <reference-type>
-// <reference-type> ::= A <cvr-qualifiers> <type>
-void MicrosoftCXXNameMangler::mangleType(const LValueReferenceType *T) {
- Out << 'A';
- QualType PointeeTy = T->getPointeeType();
- if (!PointeeTy.hasQualifiers())
- // Lack of qualifiers is mangled as 'A'.
- Out << 'A';
- mangleType(PointeeTy);
-}
-
-void MicrosoftCXXNameMangler::mangleType(const RValueReferenceType *T) {
- assert(false && "Don't know how to mangle RValueReferenceTypes yet!");
-}
-
-void MicrosoftCXXNameMangler::mangleType(const ComplexType *T) {
- assert(false && "Don't know how to mangle ComplexTypes yet!");
-}
-
-void MicrosoftCXXNameMangler::mangleType(const VectorType *T) {
- assert(false && "Don't know how to mangle VectorTypes yet!");
-}
-void MicrosoftCXXNameMangler::mangleType(const ExtVectorType *T) {
- assert(false && "Don't know how to mangle ExtVectorTypes yet!");
-}
-void MicrosoftCXXNameMangler::mangleType(const DependentSizedExtVectorType *T) {
- assert(false && "Don't know how to mangle DependentSizedExtVectorTypes yet!");
-}
-
-void MicrosoftCXXNameMangler::mangleType(const ObjCInterfaceType *T) {
- // ObjC interfaces have structs underlying them.
- Out << 'U';
- mangleName(T->getDecl());
-}
-
-void MicrosoftCXXNameMangler::mangleType(const ObjCObjectType *T) {
- // We don't allow overloading by different protocol qualification,
- // so mangling them isn't necessary.
- mangleType(T->getBaseType());
-}
-
-void MicrosoftCXXNameMangler::mangleType(const BlockPointerType *T) {
- Out << "_E";
- mangleType(T->getPointeeType());
-}
-
-void MicrosoftCXXNameMangler::mangleType(const InjectedClassNameType *T) {
- assert(false && "Don't know how to mangle InjectedClassNameTypes yet!");
-}
-
-void MicrosoftCXXNameMangler::mangleType(const TemplateSpecializationType *T) {
- assert(false && "Don't know how to mangle TemplateSpecializationTypes yet!");
-}
-
-void MicrosoftCXXNameMangler::mangleType(const DependentNameType *T) {
- assert(false && "Don't know how to mangle DependentNameTypes yet!");
-}
-
-void MicrosoftCXXNameMangler::mangleType(
- const DependentTemplateSpecializationType *T) {
- assert(false &&
- "Don't know how to mangle DependentTemplateSpecializationTypes yet!");
-}
-
-void MicrosoftCXXNameMangler::mangleType(const PackExpansionType *T) {
- assert(false && "Don't know how to mangle PackExpansionTypes yet!");
-}
-
-void MicrosoftCXXNameMangler::mangleType(const TypeOfType *T) {
- assert(false && "Don't know how to mangle TypeOfTypes yet!");
-}
-
-void MicrosoftCXXNameMangler::mangleType(const TypeOfExprType *T) {
- assert(false && "Don't know how to mangle TypeOfExprTypes yet!");
-}
-
-void MicrosoftCXXNameMangler::mangleType(const DecltypeType *T) {
- assert(false && "Don't know how to mangle DecltypeTypes yet!");
-}
-
-void MicrosoftMangleContext::mangleName(const NamedDecl *D,
- llvm::SmallVectorImpl<char> &Name) {
- assert((isa<FunctionDecl>(D) || isa<VarDecl>(D)) &&
- "Invalid mangleName() call, argument is not a variable or function!");
- assert(!isa<CXXConstructorDecl>(D) && !isa<CXXDestructorDecl>(D) &&
- "Invalid mangleName() call on 'structor decl!");
-
- PrettyStackTraceDecl CrashInfo(D, SourceLocation(),
- getASTContext().getSourceManager(),
- "Mangling declaration");
-
- MicrosoftCXXNameMangler Mangler(*this, Name);
- return Mangler.mangle(D);
-}
-void MicrosoftMangleContext::mangleThunk(const CXXMethodDecl *MD,
- const ThunkInfo &Thunk,
- llvm::SmallVectorImpl<char> &) {
- assert(false && "Can't yet mangle thunks!");
-}
-void MicrosoftMangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD,
- CXXDtorType Type,
- const ThisAdjustment &,
- llvm::SmallVectorImpl<char> &) {
- assert(false && "Can't yet mangle destructor thunks!");
-}
-void MicrosoftMangleContext::mangleCXXVTable(const CXXRecordDecl *RD,
- llvm::SmallVectorImpl<char> &) {
- assert(false && "Can't yet mangle virtual tables!");
-}
-void MicrosoftMangleContext::mangleCXXVTT(const CXXRecordDecl *RD,
- llvm::SmallVectorImpl<char> &) {
- llvm_unreachable("The MS C++ ABI does not have virtual table tables!");
-}
-void MicrosoftMangleContext::mangleCXXCtorVTable(const CXXRecordDecl *RD,
- int64_t Offset,
- const CXXRecordDecl *Type,
- llvm::SmallVectorImpl<char> &) {
- llvm_unreachable("The MS C++ ABI does not have constructor vtables!");
-}
-void MicrosoftMangleContext::mangleCXXRTTI(QualType T,
- llvm::SmallVectorImpl<char> &) {
- assert(false && "Can't yet mangle RTTI!");
-}
-void MicrosoftMangleContext::mangleCXXRTTIName(QualType T,
- llvm::SmallVectorImpl<char> &) {
- assert(false && "Can't yet mangle RTTI names!");
-}
-void MicrosoftMangleContext::mangleCXXCtor(const CXXConstructorDecl *D,
- CXXCtorType Type,
- llvm::SmallVectorImpl<char> &) {
- assert(false && "Can't yet mangle constructors!");
-}
-void MicrosoftMangleContext::mangleCXXDtor(const CXXDestructorDecl *D,
- CXXDtorType Type,
- llvm::SmallVectorImpl<char> &) {
- assert(false && "Can't yet mangle destructors!");
-}
-
CGCXXABI *clang::CodeGen::CreateMicrosoftCXXABI(CodeGenModule &CGM) {
return new MicrosoftCXXABI(CGM);
}
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