The ARM C++ ABI is sufficiently different from the Itanium C++ ABI that

it deserves its own enumerator.  Obviously the implementations should
closely follow the Itanium ABI except in cases of divergence.

llvm-svn: 111749

1 files changed, 13 insertions, 0 deletions

diff --git a/clang/lib/AST/ItaniumCXXABI.cpp b/clang/lib/AST/ItaniumCXXABI.cpp
index 0ac80ecd638..c3fa4666537 100644
--- a/clang/lib/AST/ItaniumCXXABI.cpp
+++ b/clang/lib/AST/ItaniumCXXABI.cpp
@@ -11,6 +11,10 @@
 // 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"
@@ -21,6 +25,7 @@ using namespace clang;
 
 namespace {
 class ItaniumCXXABI : public CXXABI {
+protected:
   ASTContext &Context;
 public:
   ItaniumCXXABI(ASTContext &Ctx) : Context(Ctx) { }
@@ -31,9 +36,17 @@ public:
     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);
+}