1 files changed, 52 insertions, 0 deletions
diff --git a/lib/AST/ItaniumCXXABI.cpp b/lib/AST/ItaniumCXXABI.cpp
new file mode 100644
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+++ b/lib/AST/ItaniumCXXABI.cpp
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+//===------- ItaniumCXXABI.cpp - AST support for the Itanium C++ ABI ------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This provides C++ AST support targetting the Itanium C++ ABI, which is
+// documented at:
+//  http://www.codesourcery.com/public/cxx-abi/abi.html
+//  http://www.codesourcery.com/public/cxx-abi/abi-eh.html
+//
+// It also supports the closely-related ARM C++ ABI, documented at:
+// http://infocenter.arm.com/help/topic/com.arm.doc.ihi0041c/IHI0041C_cppabi.pdf
+//
+//===----------------------------------------------------------------------===//
+
+#include "CXXABI.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/Type.h"
+
+using namespace clang;
+
+namespace {
+class ItaniumCXXABI : public CXXABI {
+protected:
+  ASTContext &Context;
+public:
+  ItaniumCXXABI(ASTContext &Ctx) : Context(Ctx) { }
+
+  unsigned getMemberPointerSize(const MemberPointerType *MPT) const {
+    QualType Pointee = MPT->getPointeeType();
+    if (Pointee->isFunctionType()) return 2;
+    return 1;
+  }
+};
+
+class ARMCXXABI : public ItaniumCXXABI {
+public:
+  ARMCXXABI(ASTContext &Ctx) : ItaniumCXXABI(Ctx) { }
+};
+}
+
+CXXABI *clang::CreateItaniumCXXABI(ASTContext &Ctx) {
+  return new ItaniumCXXABI(Ctx);
+}
+
+CXXABI *clang::CreateARMCXXABI(ASTContext &Ctx) {
+  return new ARMCXXABI(Ctx);
+}