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-rw-r--r--lib/CodeGen/CGBlocks.cpp2
-rw-r--r--lib/CodeGen/CGCXX.cpp2
-rw-r--r--lib/CodeGen/CGCXX.h36
-rw-r--r--lib/CodeGen/CGCXXABI.h10
-rw-r--r--lib/CodeGen/CGDecl.cpp2
-rw-r--r--lib/CodeGen/CGObjC.cpp2
-rw-r--r--lib/CodeGen/CGVTables.h89
-rw-r--r--lib/CodeGen/CMakeLists.txt1
-rw-r--r--lib/CodeGen/CodeGenFunction.h2
-rw-r--r--lib/CodeGen/CodeGenModule.cpp20
-rw-r--r--lib/CodeGen/CodeGenModule.h9
-rw-r--r--lib/CodeGen/CodeGenTBAA.cpp2
-rw-r--r--lib/CodeGen/CodeGenTBAA.h2
-rw-r--r--lib/CodeGen/GlobalDecl.h2
-rw-r--r--lib/CodeGen/ItaniumCXXABI.cpp10
-rw-r--r--lib/CodeGen/Mangle.cpp2615
-rw-r--r--lib/CodeGen/Mangle.h179
-rw-r--r--lib/CodeGen/MicrosoftCXXABI.cpp1158
18 files changed, 39 insertions, 4104 deletions
diff --git a/lib/CodeGen/CGBlocks.cpp b/lib/CodeGen/CGBlocks.cpp
index 36767711b4..daa9052fda 100644
--- a/lib/CodeGen/CGBlocks.cpp
+++ b/lib/CodeGen/CGBlocks.cpp
@@ -799,7 +799,7 @@ CodeGenFunction::GenerateBlockFunction(GlobalDecl GD, const BlockExpr *BExpr,
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());
diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp
index b734e62205..bb217fbcc9 100644
--- a/lib/CodeGen/CGCXX.cpp
+++ b/lib/CodeGen/CGCXX.cpp
@@ -16,12 +16,12 @@
#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"
diff --git a/lib/CodeGen/CGCXX.h b/lib/CodeGen/CGCXX.h
deleted file mode 100644
index 1e6adb05a0..0000000000
--- a/lib/CodeGen/CGCXX.h
+++ /dev/null
@@ -1,36 +0,0 @@
-//===----- 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
diff --git a/lib/CodeGen/CGCXXABI.h b/lib/CodeGen/CGCXXABI.h
index 56c4ea98ae..8bc1385d7f 100644
--- a/lib/CodeGen/CGCXXABI.h
+++ b/lib/CodeGen/CGCXXABI.h
@@ -32,18 +32,20 @@ namespace clang {
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) {
@@ -74,7 +76,9 @@ public:
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.
diff --git a/lib/CodeGen/CGDecl.cpp b/lib/CodeGen/CGDecl.cpp
index 77984b11cc..16a3a196bb 100644
--- a/lib/CodeGen/CGDecl.cpp
+++ b/lib/CodeGen/CGDecl.cpp
@@ -148,7 +148,7 @@ static std::string GetStaticDeclName(CodeGenFunction &CGF, const VarDecl &D,
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
diff --git a/lib/CodeGen/CGObjC.cpp b/lib/CodeGen/CGObjC.cpp
index 3574ba2c18..c7e0837b3d 100644
--- a/lib/CodeGen/CGObjC.cpp
+++ b/lib/CodeGen/CGObjC.cpp
@@ -137,6 +137,8 @@ void CodeGenFunction::StartObjCMethod(const ObjCMethodDecl *OMD,
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());
}
diff --git a/lib/CodeGen/CGVTables.h b/lib/CodeGen/CGVTables.h
index 1d2e8c1e04..3e3cd4b165 100644
--- a/lib/CodeGen/CGVTables.h
+++ b/lib/CodeGen/CGVTables.h
@@ -16,6 +16,7 @@
#include "llvm/ADT/DenseMap.h"
#include "llvm/GlobalVariable.h"
+#include "clang/Basic/ABI.h"
#include "GlobalDecl.h"
namespace clang {
@@ -24,94 +25,6 @@ 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.
diff --git a/lib/CodeGen/CMakeLists.txt b/lib/CodeGen/CMakeLists.txt
index b985d68504..1f33678993 100644
--- a/lib/CodeGen/CMakeLists.txt
+++ b/lib/CodeGen/CMakeLists.txt
@@ -35,7 +35,6 @@ add_clang_library(clangCodeGen
CodeGenTBAA.cpp
CodeGenTypes.cpp
ItaniumCXXABI.cpp
- Mangle.cpp
MicrosoftCXXABI.cpp
ModuleBuilder.cpp
TargetInfo.cpp
diff --git a/lib/CodeGen/CodeGenFunction.h b/lib/CodeGen/CodeGenFunction.h
index 7077b89ec2..5f21d9fa43 100644
--- a/lib/CodeGen/CodeGenFunction.h
+++ b/lib/CodeGen/CodeGenFunction.h
@@ -18,6 +18,7 @@
#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"
@@ -26,7 +27,6 @@
#include "CGBlocks.h"
#include "CGBuilder.h"
#include "CGCall.h"
-#include "CGCXX.h"
#include "CGValue.h"
namespace llvm {
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 9ed3150ff5..df90011104 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -18,7 +18,6 @@
#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"
@@ -26,6 +25,7 @@
#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"
@@ -275,7 +275,7 @@ llvm::StringRef CodeGenModule::getMangledName(GlobalDecl GD) {
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);
@@ -289,9 +289,18 @@ llvm::StringRef CodeGenModule::getMangledName(GlobalDecl GD) {
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) {
@@ -1304,7 +1313,6 @@ static void ReplaceUsesOfNonProtoTypeWithRealFunction(llvm::GlobalValue *Old,
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);
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index 14a0e497a0..b1395be8c5 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -14,17 +14,17 @@
#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"
@@ -66,6 +66,7 @@ namespace clang {
class Diagnostic;
class AnnotateAttr;
class CXXDestructorDecl;
+ class MangleBuffer;
namespace CodeGen {
@@ -74,7 +75,6 @@ namespace CodeGen {
class CGCXXABI;
class CGDebugInfo;
class CGObjCRuntime;
- class MangleBuffer;
struct OrderGlobalInits {
unsigned int priority;
@@ -480,7 +480,8 @@ public:
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);
diff --git a/lib/CodeGen/CodeGenTBAA.cpp b/lib/CodeGen/CodeGenTBAA.cpp
index 61dc41ed45..71b43010e6 100644
--- a/lib/CodeGen/CodeGenTBAA.cpp
+++ b/lib/CodeGen/CodeGenTBAA.cpp
@@ -16,8 +16,8 @@
//===----------------------------------------------------------------------===//
#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"
diff --git a/lib/CodeGen/CodeGenTBAA.h b/lib/CodeGen/CodeGenTBAA.h
index 29f7f544d3..c4583473a0 100644
--- a/lib/CodeGen/CodeGenTBAA.h
+++ b/lib/CodeGen/CodeGenTBAA.h
@@ -26,11 +26,11 @@ namespace llvm {
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
diff --git a/lib/CodeGen/GlobalDecl.h b/lib/CodeGen/GlobalDecl.h
index 26dea402f4..ab3e2019a6 100644
--- a/lib/CodeGen/GlobalDecl.h
+++ b/lib/CodeGen/GlobalDecl.h
@@ -15,9 +15,9 @@
#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 {
diff --git a/lib/CodeGen/ItaniumCXXABI.cpp b/lib/CodeGen/ItaniumCXXABI.cpp
index 99575dfc8f..554d2403c0 100644
--- a/lib/CodeGen/ItaniumCXXABI.cpp
+++ b/lib/CodeGen/ItaniumCXXABI.cpp
@@ -22,7 +22,7 @@
#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>
@@ -35,7 +35,6 @@ class ItaniumCXXABI : public CodeGen::CGCXXABI {
private:
const llvm::IntegerType *PtrDiffTy;
protected:
- CodeGen::MangleContext MangleCtx;
bool IsARM;
// It's a little silly for us to cache this.
@@ -52,12 +51,7 @@ protected:
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);
diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp
deleted file mode 100644
index b8ae1e7e41..0000000000
--- a/lib/CodeGen/Mangle.cpp
+++ /dev/null
@@ -1,2615 +0,0 @@
-//===--- 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 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
-//
-//===----------------------------------------------------------------------===//
-#include "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/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
-
-#if MANGLE_CHECKER
-#include <cxxabi.h>
-#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 CXXRecordDecl *GetLocalClassDecl(const NamedDecl *ND) {
- const DeclContext *DC = dyn_cast<DeclContext>(ND);
- if (!DC)
- DC = ND->getDeclContext();
- while (!DC->isNamespace() && !DC->isTranslationUnit()) {
- if (isa<FunctionDecl>(DC->getParent()))
- return dyn_cast<CXXRecordDecl>(DC);
- DC = DC->getParent();
- }
- return 0;
-}
-
-static const CXXMethodDecl *getStructor(const CXXMethodDecl *MD) {
- assert((isa<CXXConstructorDecl>(MD) || isa<CXXDestructorDecl>(MD)) &&
- "Passed in decl is not a ctor or dtor!");
-
- if (const TemplateDecl *TD = MD->getPrimaryTemplate()) {
- MD = cast<CXXMethodDecl>(TD->getTemplatedDecl());
-
- assert((isa<CXXConstructorDecl>(MD) || isa<CXXDestructorDecl>(MD)) &&
- "Templated decl is not a ctor or dtor!");
- }
-
- return MD;
-}
-
-static const unsigned UnknownArity = ~0U;
-
-/// CXXNameMangler - Manage the mangling of a single name.
-class CXXNameMangler {
- MangleContext &Context;
- llvm::raw_svector_ostream Out;
-
- const CXXMethodDecl *Structor;
- unsigned StructorType;
-
- /// SeqID - The next subsitution sequence number.
- unsigned SeqID;
-
- llvm::DenseMap<uintptr_t, unsigned> Substitutions;
-
- ASTContext &getASTContext() const { return Context.getASTContext(); }
-
-public:
- CXXNameMangler(MangleContext &C, llvm::SmallVectorImpl<char> &Res)
- : Context(C), Out(Res), Structor(0), StructorType(0), SeqID(0) { }
- CXXNameMangler(MangleContext &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,
- const CXXDestructorDecl *D, CXXDtorType Type)
- : Context(C), Out(Res), Structor(getStructor(D)), StructorType(Type),
- SeqID(0) { }
-
-#if MANGLE_CHECKER
- ~CXXNameMangler() {
- if (Out.str()[0] == '\01')
- return;
-
- int status = 0;
- char *result = abi::__cxa_demangle(Out.str().str().c_str(), 0, 0, &status);
- assert(status == 0 && "Could not demangle mangled name!");
- free(result);
- }
-#endif
- llvm::raw_svector_ostream &getStream() { return Out; }
-
- void mangle(const NamedDecl *D, llvm::StringRef Prefix = "_Z");
- void mangleCallOffset(int64_t NonVirtual, int64_t Virtual);
- void mangleNumber(const llvm::APSInt &I);
- void mangleNumber(int64_t Number);
- void mangleFloat(const llvm::APFloat &F);
- void mangleFunctionEncoding(const FunctionDecl *FD);
- void mangleName(const NamedDecl *ND);
- void mangleType(QualType T);
- void mangleNameOrStandardSubstitution(const NamedDecl *ND);
-
-private:
- bool mangleSubstitution(const NamedDecl *ND);
- bool mangleSubstitution(QualType T);
- bool mangleSubstitution(TemplateName Template);
- bool mangleSubstitution(uintptr_t Ptr);
-
- bool mangleStandardSubstitution(const NamedDecl *ND);
-
- void addSubstitution(const NamedDecl *ND) {
- ND = cast<NamedDecl>(ND->getCanonicalDecl());
-
- addSubstitution(reinterpret_cast<uintptr_t>(ND));
- }
- void addSubstitution(QualType T);
- void addSubstitution(TemplateName Template);
- void addSubstitution(uintptr_t Ptr);
-
- void mangleUnresolvedScope(NestedNameSpecifier *Qualifier);
- void mangleUnresolvedName(NestedNameSpecifier *Qualifier,
- DeclarationName Name,
- unsigned KnownArity = UnknownArity);
-
- void mangleName(const TemplateDecl *TD,
- const TemplateArgument *TemplateArgs,
- unsigned NumTemplateArgs);
- void mangleUnqualifiedName(const NamedDecl *ND) {
- mangleUnqualifiedName(ND, ND->getDeclName(), UnknownArity);
- }
- void mangleUnqualifiedName(const NamedDecl *ND, DeclarationName Name,
- unsigned KnownArity);
- void mangleUnscopedName(const NamedDecl *ND);
- void mangleUnscopedTemplateName(const TemplateDecl *ND);
- void mangleUnscopedTemplateName(TemplateName);
- void mangleSourceName(const IdentifierInfo *II);
- void mangleLocalName(const NamedDecl *ND);
- void mangleNestedName(const NamedDecl *ND, const DeclContext *DC,
- bool NoFunction=false);
- void mangleNestedName(const TemplateDecl *TD,
- const TemplateArgument *TemplateArgs,
- unsigned NumTemplateArgs);
- void manglePrefix(const DeclContext *DC, bool NoFunction=false);
- void mangleTemplatePrefix(const TemplateDecl *ND);
- void mangleTemplatePrefix(TemplateName Template);
- void mangleOperatorName(OverloadedOperatorKind OO, unsigned Arity);
- void mangleQualifiers(Qualifiers Quals);
-
- 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(TemplateName);
- void mangleBareFunctionType(const FunctionType *T,
- bool MangleReturnType);
- void mangleNeonVectorType(const VectorType *T);
-
- void mangleIntegerLiteral(QualType T, const llvm::APSInt &Value);
- void mangleMemberExpr(const Expr *Base, bool IsArrow,
- NestedNameSpecifier *Qualifier,
- DeclarationName Name,
- unsigned KnownArity);
- void mangleExpression(const Expr *E, unsigned Arity = UnknownArity);
- void mangleCXXCtorType(CXXCtorType T);
- void mangleCXXDtorType(CXXDtorType T);
-
- void mangleTemplateArgs(const ExplicitTemplateArgumentList &TemplateArgs);
- void mangleTemplateArgs(TemplateName Template,
- const TemplateArgument *TemplateArgs,
- unsigned NumTemplateArgs);
- void mangleTemplateArgs(const TemplateParameterList &PL,
- const TemplateArgument *TemplateArgs,
- unsigned NumTemplateArgs);
- void mangleTemplateArgs(const TemplateParameterList &PL,
- const TemplateArgumentList &AL);
- void mangleTemplateArg(const NamedDecl *P, const TemplateArgument &A);
-
- void mangleTemplateParameter(unsigned Index);
-};
-}
-
-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 MangleContext::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 non-internal linkage are not mangled
- if (!FD) {
- const DeclContext *DC = D->getDeclContext();
- // Check for extern variable declared locally.
- if (DC->isFunctionOrMethod() && D->hasLinkage())
- while (!DC->isNamespace() && !DC->isTranslationUnit())
- DC = DC->getParent();
- if (DC->isTranslationUnit() && D->getLinkage() != InternalLinkage)
- return false;
- }
-
- // Class members are always mangled.
- if (D->getDeclContext()->isRecord())
- return true;
-
- // C functions and "main" are not mangled.
- if ((FD && FD->isMain()) || isInCLinkageSpecification(D))
- return false;
-
- return true;
-}
-
-void CXXNameMangler::mangle(const NamedDecl *D, llvm::StringRef Prefix) {
- // 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 << '\01'; // LLVM IR Marker for __asm("foo")
- Out << ALA->getLabel();
- return;
- }
-
- // <mangled-name> ::= _Z <encoding>
- // ::= <data name>
- // ::= <special-name>
- Out << Prefix;
- if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D))
- mangleFunctionEncoding(FD);
- else if (const VarDecl *VD = dyn_cast<VarDecl>(D))
- mangleName(VD);
- else
- mangleName(cast<FieldDecl>(D));
-}
-
-void CXXNameMangler::mangleFunctionEncoding(const FunctionDecl *FD) {
- // <encoding> ::= <function name> <bare-function-type>
- mangleName(FD);
-
- // Don't mangle in the type if this isn't a decl we should typically mangle.
- if (!Context.shouldMangleDeclName(FD))
- return;
-
- // Whether the mangling of a function type includes the return type depends on
- // the context and the nature of the function. The rules for deciding whether
- // the return type is included are:
- //
- // 1. Template functions (names or types) have return types encoded, with
- // the exceptions listed below.
- // 2. Function types not appearing as part of a function name mangling,
- // e.g. parameters, pointer types, etc., have return type encoded, with the
- // exceptions listed below.
- // 3. Non-template function names do not have return types encoded.
- //
- // The exceptions mentioned in (1) and (2) above, for which the return type is
- // never included, are
- // 1. Constructors.
- // 2. Destructors.
- // 3. Conversion operator functions, e.g. operator int.
- bool MangleReturnType = false;
- if (FunctionTemplateDecl *PrimaryTemplate = FD->getPrimaryTemplate()) {
- if (!(isa<CXXConstructorDecl>(FD) || isa<CXXDestructorDecl>(FD) ||
- isa<CXXConversionDecl>(FD)))
- MangleReturnType = true;
-
- // Mangle the type of the primary template.
- FD = PrimaryTemplate->getTemplatedDecl();
- }
-
- // Do the canonicalization out here because parameter types can
- // undergo additional canonicalization (e.g. array decay).
- FunctionType *FT = cast<FunctionType>(Context.getASTContext()
- .getCanonicalType(FD->getType()));</