path: root/lib/CodeGen/CGObjCGNU.cpp

//===------- CGObjCGNU.cpp - Emit LLVM Code from ASTs for a Module --------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This provides Objective-C code generation targetting the GNU runtime.  The
// class in this file generates structures used by the GNU Objective-C runtime
// library.  These structures are defined in objc/objc.h and objc/objc-api.h in
// the GNU runtime distribution.
//
//===----------------------------------------------------------------------===//

#include "CGObjCRuntime.h"
#include "CodeGenModule.h"
#include "CodeGenFunction.h"

#include "clang/AST/ASTContext.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/RecordLayout.h"
#include "clang/AST/StmtObjC.h"

#include "llvm/Intrinsics.h"
#include "llvm/Module.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Target/TargetData.h"

#include <map>


using namespace clang;
using namespace CodeGen;
using llvm::dyn_cast;

// The version of the runtime that this class targets.  Must match the version
// in the runtime.
static const int RuntimeVersion = 8;
static const int ProtocolVersion = 2;

namespace {
class CGObjCGNU : public CodeGen::CGObjCRuntime {
private:
  CodeGen::CodeGenModule &CGM;
  llvm::Module &TheModule;
  const llvm::PointerType *SelectorTy;
  const llvm::PointerType *PtrToInt8Ty;
  const llvm::FunctionType *IMPTy;
  const llvm::PointerType *IdTy;
  const llvm::IntegerType *IntTy;
  const llvm::PointerType *PtrTy;
  const llvm::IntegerType *LongTy