1 files changed, 95 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_riscv64/abi.cxx b/bridges/source/cpp_uno/gcc3_linux_riscv64/abi.cxx
new file mode 100644
index 000000000000..b090953efde9
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_linux_riscv64/abi.cxx
@@ -0,0 +1,95 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * 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/.
+ */
+
+#include <com/sun/star/uno/genfunc.hxx>
+#include <uno/data.h>
+#include <typelib/typedescription.hxx>
+#include "types.hxx"
+#include "abi.hxx"
+#include <stdio.h>
+#include <cstring>
+
+//#define BRIDGE_DEBUG
+
+namespace abi_riscv64
+{
+void countnGreg(sal_Int32& nGreg, sal_Int32& nFreg,
+                const typelib_CompoundTypeDescription* pTypeDescr)
+{
+    for (int i = 0; i < pTypeDescr->nMembers; i++)
+    {
+        typelib_TypeDescriptionReference* pTypeInStruct = pTypeDescr->ppTypeRefs[i];
+        switch (pTypeInStruct->eTypeClass)
+        {
+            case typelib_TypeClass_STRUCT:
+            case typelib_TypeClass_EXCEPTION:
+            {
+                typelib_TypeDescription* childTypeDescr = nullptr;
+                TYPELIB_DANGER_GET(&childTypeDescr, pTypeInStruct);
+                countnGreg(
+                    nGreg, nFreg,
+                    reinterpret_cast<typelib_CompoundTypeDescription const*>(childTypeDescr));
+                TYPELIB_DANGER_RELEASE(childTypeDescr);
+            }
+            break;
+            case typelib_TypeClass_FLOAT:
+            case typelib_TypeClass_DOUBLE:
+                nFreg++;
+                break;
+            default:
+                nGreg++;
+                break;
+        }
+    }
+}
+
+void fillStruct(const typelib_TypeDescription* pTypeDescr, sal_Int64* gret, double* fret,
+                void* pRegisterReturn)
+{
+#ifdef BRIDGE_DEBUG
+    printf("In fillStruct, pTypeDescr = %p, gret = %p, fret = %p, pRegisterReturn = %p\n",
+           pTypeDescr, gret, fret, pRegisterReturn);
+#endif
+    sal_Int32 nGreg = 0;
+    sal_Int32 nFreg = 0;
+    countnGreg(nGreg, nFreg, reinterpret_cast<typelib_CompoundTypeDescription const*>(pTypeDescr));
+    char* pAdjust = reinterpret_cast<char*>(pRegisterReturn);
+    if (nGreg == 0 && nFreg <= 2)
+    {
+        if (pTypeDescr->nSize <= 8 && nFreg == 2)
+        {
+            std::memcpy(pAdjust, fret, 4);
+            std::memcpy(pAdjust + 4, fret + 1, 4);
+        }
+        else
+        {
+            std::memcpy(pAdjust, fret, 16);
+        }
+    }
+    else if (nFreg == 1 && nGreg == 1)
+    {
+        if (pTypeDescr->nSize > 8)
+        {
+            std::memcpy(pAdjust, gret, 8);
+            std::memcpy(pAdjust + 8, fret, 8);
+        }
+        else
+        {
+            std::memcpy(pAdjust, gret, 4);
+            std::memcpy(pAdjust + 4, fret, 4);
+        }
+    }
+    else
+    {
+        std::memcpy(pAdjust, gret, 16);
+    }
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */