1 files changed, 67 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.hxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.hxx
new file mode 100644
index 000000000..3ef80543a
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.hxx
@@ -0,0 +1,67 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+// This is an implementation of the x86-64 ABI as described in 'System V
+// Application Binary Interface, AMD64 Architecture Processor Supplement'
+// (http://www.x86-64.org/documentation/abi-0.95.pdf)
+
+#include <typelib/typedescription.hxx>
+
+namespace x86_64
+{
+
+/* 6 general purpose registers are used for parameter passing */
+const sal_uInt32 MAX_GPR_REGS = 6;
+
+/* 8 SSE registers are used for parameter passing */
+const sal_uInt32 MAX_SSE_REGS = 8;
+
+/* Count number of required registers.
+
+ Examine the argument and return set number of register required in each
+ class.
+
+ Return false iff parameter should be passed in memory.
+*/
+bool examine_argument( typelib_TypeDescriptionReference *pTypeRef, int &nUsedGPR, int &nUsedSSE ) noexcept;
+
+/** Does function that returns this type use a hidden parameter, or registers?
+
+ The value can be returned either in a hidden 1st parameter (which is a
+ pointer to a structure allocated by the caller), or in registers (rax, rdx
+ for the integers, xmm0, xmm1 for the floating point numbers).
+*/
+bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef ) noexcept;
+
+enum class ReturnKind {
+    Memory,
+    RegistersGeneral,
+    RegistersFpInt,
+    RegistersIntFp
+};
+
+ReturnKind getReturnKind(typelib_TypeDescriptionReference * type) noexcept;
+
+void fill_struct( typelib_TypeDescriptionReference *pTypeRef, const sal_uInt64* pGPR, const double* pSSE, void *pStruct ) noexcept;
+
+} // namespace x86_64
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */