Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

10 files changed, 2249 insertions, 0 deletions

diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.cxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.cxx
new file mode 100644
index 000000000..ceed901f9
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.cxx
@@ -0,0 +1,331 @@
+/* -*- 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 .
+ */
+
+
+// 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)
+//
+// The code in this file is a modification of src/x86/ffi64.c from libffi
+// (http://sources.redhat.com/libffi/) which is under the following license:
+
+/* -----------------------------------------------------------------------
+   ffi.c - Copyright (c) 2002  Bo Thorsen <bo@suse.de>
+
+   x86-64 Foreign Function Interface
+
+   Permission is hereby granted, free of charge, to any person obtaining
+   a copy of this software and associated documentation files (the
+   ``Software''), to deal in the Software without restriction, including
+   without limitation the rights to use, copy, modify, merge, publish,
+   distribute, sublicense, and/or sell copies of the Software, and to
+   permit persons to whom the Software is furnished to do so, subject to
+   the following conditions:
+
+   The above copyright notice and this permission notice shall be included
+   in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
+   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+   IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+   OTHER DEALINGS IN THE SOFTWARE.
+   ----------------------------------------------------------------------- */
+
+#include <sal/config.h>
+
+#include "abi.hxx"
+
+#include <sal/log.hxx>
+
+using namespace x86_64;
+
+namespace {
+
+/* Register class used for passing given 64bit part of the argument.
+   These represent classes as documented by the PS ABI, with the exception
+   of SSESF, SSEDF classes, that are basically SSE class, just gcc will
+   use SF or DFmode move instead of DImode to avoid reformatting penalties.
+
+   Similarly we play games with INTEGERSI_CLASS to use cheaper SImode moves
+   whenever possible (upper half does contain padding).
+ */
+enum x86_64_reg_class
+{
+    X86_64_NO_CLASS,
+    X86_64_INTEGER_CLASS,
+    X86_64_INTEGERSI_CLASS,
+    X86_64_SSE_CLASS,
+    X86_64_SSESF_CLASS,
+    X86_64_SSEDF_CLASS,
+    X86_64_SSEUP_CLASS,
+    X86_64_X87_CLASS,
+    X86_64_X87UP_CLASS,
+    X86_64_MEMORY_CLASS
+};
+
+}
+
+#define MAX_CLASSES 4
+
+/* x86-64 register passing implementation.  See x86-64 ABI for details.  Goal
+   of this code is to classify each 8bytes of incoming argument by the register
+   class and assign registers accordingly.  */
+
+/* Return the union class of CLASS1 and CLASS2.
+   See the x86-64 PS ABI for details.  */
+
+static enum x86_64_reg_class
+merge_classes (enum x86_64_reg_class class1, enum x86_64_reg_class class2)
+    throw ()
+{
+    /* Rule #1: If both classes are equal, this is the resulting class.  */
+    if (class1 == class2)
+        return class1;
+
+    /* Rule #2: If one of the classes is NO_CLASS, the resulting class is
+       the other class.  */
+    if (class1 == X86_64_NO_CLASS)
+        return class2;
+    if (class2 == X86_64_NO_CLASS)
+        return class1;
+
+    /* Rule #3: If one of the classes is MEMORY, the result is MEMORY.  */
+    if (class1 == X86_64_MEMORY_CLASS || class2 == X86_64_MEMORY_CLASS)
+        return X86_64_MEMORY_CLASS;
+
+    /* Rule #4: If one of the classes is INTEGER, the result is INTEGER.  */
+    if ((class1 == X86_64_INTEGERSI_CLASS && class2 == X86_64_SSESF_CLASS)
+            || (class2 == X86_64_INTEGERSI_CLASS && class1 == X86_64_SSESF_CLASS))
+        return X86_64_INTEGERSI_CLASS;
+    if (class1 == X86_64_INTEGER_CLASS || class1 == X86_64_INTEGERSI_CLASS
+            || class2 == X86_64_INTEGER_CLASS || class2 == X86_64_INTEGERSI_CLASS)
+        return X86_64_INTEGER_CLASS;
+
+    /* Rule #5: If one of the classes is X87 or X87UP class, MEMORY is used.  */
+    if (class1 == X86_64_X87_CLASS || class1 == X86_64_X87UP_CLASS
+            || class2 == X86_64_X87_CLASS || class2 == X86_64_X87UP_CLASS)
+        return X86_64_MEMORY_CLASS;
+
+    /* Rule #6: Otherwise class SSE is used.  */
+    return X86_64_SSE_CLASS;
+}
+
+/* Classify the argument of type TYPE and mode MODE.
+   CLASSES will be filled by the register class used to pass each word
+   of the operand.  The number of words is returned.  In case the parameter
+   should be passed in memory, 0 is returned. As a special case for zero
+   sized containers, classes[0] will be NO_CLASS and 1 is returned.
+
+   See the x86-64 PS ABI for details.
+*/
+static int
+classify_argument( typelib_TypeDescriptionReference *pTypeRef, enum x86_64_reg_class classes[], int byteOffset ) throw ()
+{
+    switch ( pTypeRef->eTypeClass )
+    {
+        case typelib_TypeClass_VOID:
+            classes[0] = X86_64_NO_CLASS;
+            return 1;
+        case typelib_TypeClass_CHAR:
+        case typelib_TypeClass_BOOLEAN:
+        case typelib_TypeClass_BYTE:
+        case typelib_TypeClass_SHORT:
+        case typelib_TypeClass_UNSIGNED_SHORT:
+        case typelib_TypeClass_LONG:
+        case typelib_TypeClass_UNSIGNED_LONG:
+        case typelib_TypeClass_HYPER:
+        case typelib_TypeClass_UNSIGNED_HYPER:
+        case typelib_TypeClass_ENUM:
+            if ( ( byteOffset % 8 + pTypeRef->pType->nSize ) <= 4 )
+                classes[0] = X86_64_INTEGERSI_CLASS;
+            else
+                classes[0] = X86_64_INTEGER_CLASS;
+            return 1;
+        case typelib_TypeClass_FLOAT:
+            if ( ( byteOffset % 8 ) == 0 )
+                classes[0] = X86_64_SSESF_CLASS;
+            else
+                classes[0] = X86_64_SSE_CLASS;
+            return 1;
+        case typelib_TypeClass_DOUBLE:
+            classes[0] = X86_64_SSEDF_CLASS;
+            return 1;
+        /*case LONGDOUBLE:
+            classes[0] = X86_64_X87_CLASS;
+            classes[1] = X86_64_X87UP_CLASS;
+            return 2;*/
+        case typelib_TypeClass_STRING:
+        case typelib_TypeClass_TYPE:
+        case typelib_TypeClass_ANY:
+        case typelib_TypeClass_TYPEDEF:
+        case typelib_TypeClass_SEQUENCE:
+        case typelib_TypeClass_INTERFACE:
+            return 0;
+        case typelib_TypeClass_STRUCT:
+        case typelib_TypeClass_EXCEPTION:
+            {
+                typelib_TypeDescription * pTypeDescr = nullptr;
+                TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
+
+                const int UNITS_PER_WORD = 8;
+                int words = ( pTypeDescr->nSize + UNITS_PER_WORD - 1 ) / UNITS_PER_WORD;
+                enum x86_64_reg_class subclasses[MAX_CLASSES];
+
+                /* If the struct is larger than 16 bytes, pass it on the stack.  */
+                if ( pTypeDescr->nSize > 16 )
+                {
+                    TYPELIB_DANGER_RELEASE( pTypeDescr );
+                    return 0;
+                }
+
+                for ( int i = 0; i < words; i++ )
+                    classes[i] = X86_64_NO_CLASS;
+
+                const typelib_CompoundTypeDescription *pStruct = reinterpret_cast<const typelib_CompoundTypeDescription*>( pTypeDescr );
+
+                /* Merge the fields of structure.  */
+                for ( sal_Int32 nMember = 0; nMember < pStruct->nMembers; ++nMember )
+                {
+                    typelib_TypeDescriptionReference *pTypeInStruct = pStruct->ppTypeRefs[ nMember ];
+                    int offset = byteOffset + pStruct->pMemberOffsets[ nMember ];
+
+                    int num = classify_argument( pTypeInStruct, subclasses, offset );
+
+                    if ( num == 0 )
+                    {
+                        TYPELIB_DANGER_RELEASE( pTypeDescr );
+                        return 0;
+                    }
+
+                    for ( int i = 0; i < num; i++ )
+                    {
+                        int pos = offset / 8;
+                        classes[i + pos] = merge_classes( subclasses[i], classes[i + pos] );
+                    }
+                }
+
+                TYPELIB_DANGER_RELEASE( pTypeDescr );
+
+                /* Final merger cleanup.  */
+                for ( int i = 0; i < words; i++ )
+                {
+                    /* If one class is MEMORY, everything should be passed in
+                       memory.  */
+                    if ( classes[i] == X86_64_MEMORY_CLASS )
+                        return 0;
+
+                    /* The X86_64_SSEUP_CLASS should be always preceded by
+                       X86_64_SSE_CLASS.  */
+                    if ( classes[i] == X86_64_SSEUP_CLASS
+                            && ( i == 0 || classes[i - 1] != X86_64_SSE_CLASS ) )
+                        classes[i] = X86_64_SSE_CLASS;
+
+                    /*  X86_64_X87UP_CLASS should be preceded by X86_64_X87_CLASS.  */
+                    if ( classes[i] == X86_64_X87UP_CLASS
+                            && ( i == 0 || classes[i - 1] != X86_64_X87_CLASS ) )
+                        classes[i] = X86_64_SSE_CLASS;
+                }
+                return words;
+            }
+
+        default:
+            SAL_WARN("bridges", "Unhandled case: pType->eTypeClass == "
+                    << pTypeRef->eTypeClass);
+            assert(false);
+    }
+    return 0; /* Never reached.  */
+}
+
+/* Examine the argument and return set number of register required in each
+   class.  Return 0 iff parameter should be passed in memory.  */
+bool x86_64::examine_argument( typelib_TypeDescriptionReference *pTypeRef, bool bInReturn, int &nUsedGPR, int &nUsedSSE ) throw ()
+{
+    enum x86_64_reg_class classes[MAX_CLASSES];
+    int n;
+
+    n = classify_argument( pTypeRef, classes, 0 );
+
+    if ( n == 0 )
+        return false;
+
+    nUsedGPR = 0;
+    nUsedSSE = 0;
+    for ( n--; n >= 0; n-- )
+        switch ( classes[n] )
+        {
+            case X86_64_INTEGER_CLASS:
+            case X86_64_INTEGERSI_CLASS:
+                nUsedGPR++;
+                break;
+            case X86_64_SSE_CLASS:
+            case X86_64_SSESF_CLASS:
+            case X86_64_SSEDF_CLASS:
+                nUsedSSE++;
+                break;
+            case X86_64_NO_CLASS:
+            case X86_64_SSEUP_CLASS:
+                break;
+            case X86_64_X87_CLASS:
+            case X86_64_X87UP_CLASS:
+                if ( !bInReturn )
+                    return false;
+                break;
+            default:
+            SAL_WARN("bridges", "Unhandled case: classes[n] == " << classes[n]);
+            assert(false);
+        }
+    return true;
+}
+
+bool x86_64::return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef ) throw ()
+{
+    int g, s;
+
+    return !examine_argument( pTypeRef, true, g, s );
+}
+
+void x86_64::fill_struct( typelib_TypeDescriptionReference *pTypeRef, const sal_uInt64 *pGPR, const double *pSSE, void *pStruct ) throw ()
+{
+    enum x86_64_reg_class classes[MAX_CLASSES];
+    int n;
+
+    n = classify_argument( pTypeRef, classes, 0 );
+
+    sal_uInt64 *pStructAlign = static_cast<sal_uInt64 *>( pStruct );
+    for ( n--; n >= 0; n-- )
+        switch ( classes[n] )
+        {
+            case X86_64_INTEGER_CLASS:
+            case X86_64_INTEGERSI_CLASS:
+                *pStructAlign++ = *pGPR++;
+                break;
+            case X86_64_SSE_CLASS:
+            case X86_64_SSESF_CLASS:
+            case X86_64_SSEDF_CLASS:
+                *pStructAlign++ = *reinterpret_cast<const sal_uInt64 *>( pSSE++ );
+                break;
+            default:
+                break;
+        }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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..90aad264c
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.hxx
@@ -0,0 +1,61 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_MACOSX_X86_64_ABI_HXX
+#define INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_MACOSX_X86_64_ABI_HXX
+
+// 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, bool bInReturn, int &nUsedGPR, int &nUsedSSE ) throw ();
+
+/** 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 ) throw ();
+
+void fill_struct( typelib_TypeDescriptionReference *pTypeRef, const sal_uInt64* pGPR, const double* pSSE, void *pStruct ) throw ();
+
+} // namespace x86_64
+
+#endif // INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_MACOSX_X86_64_ABI_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/call.cxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/call.cxx
new file mode 100644
index 000000000..2359d88c2
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/call.cxx
@@ -0,0 +1,76 @@
+/* -*- 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 .
+ */
+
+#include <sal/config.h>
+
+#include "call.hxx"
+
+void privateSnippetExecutor()
+{
+    asm volatile
+        (
+         "    subq  $160, %rsp\n"
+
+         "    movq  %r10, -152(%rbp)        # Save (nVtableOffset << 32) + nFunctionIndex\n"
+
+         "    movq  %rdi, -112(%rbp)        # Save GP registers\n"
+         "    movq  %rsi, -104(%rbp)\n"
+         "    movq  %rdx, -96(%rbp)\n"
+         "    movq  %rcx, -88(%rbp)\n"
+         "    movq  %r8 , -80(%rbp)\n"
+         "    movq  %r9 , -72(%rbp)\n"
+
+         "    movsd %xmm0, -64(%rbp)        # Save FP registers\n"
+         "    movsd %xmm1, -56(%rbp)\n"
+         "    movsd %xmm2, -48(%rbp)\n"
+         "    movsd %xmm3, -40(%rbp)\n"
+         "    movsd %xmm4, -32(%rbp)\n"
+         "    movsd %xmm5, -24(%rbp)\n"
+         "    movsd %xmm6, -16(%rbp)\n"
+         "    movsd %xmm7, -8(%rbp)\n"
+
+         "    leaq  -144(%rbp), %r9         # 6th param: sal_uInt64 * pRegisterReturn\n"
+         "    leaq  16(%rbp), %r8           # 5rd param: void ** ovrflw\n"
+         "    leaq  -64(%rbp), %rcx         # 4th param: void ** fpreg\n"
+         "    leaq  -112(%rbp), %rdx        # 3rd param: void ** gpreg\n"
+         "    movl  -148(%rbp), %esi        # 2nd param: sal_int32 nVtableOffset\n"
+         "    movl  -152(%rbp), %edi        # 1st param: sal_int32 nFunctionIndex\n"
+
+         "    call  _cpp_vtable_call\n"
+
+         "    cmp   $10, %rax               # typelib_TypeClass_FLOAT\n"
+         "    je    .Lfloat\n"
+         "    cmp   $11, %rax               # typelib_TypeClass_DOUBLE\n"
+         "    je    .Lfloat\n"
+
+         "    movq  -144(%rbp), %rax        # Return value (int case)\n"
+         "    movq  -136(%rbp), %rdx        # Return value (int case)\n"
+         "    movq  -144(%rbp), %xmm0       # Return value (int case)\n"
+         "    movq  -136(%rbp), %xmm1       # Return value (int case)\n"
+         "    jmp   .Lfinish\n"
+
+         ".Lfloat:\n"
+         "    movlpd    -144(%rbp), %xmm0   # Return value (float/double case)\n"
+
+         ".Lfinish:\n"
+         "    addq  $160, %rsp\n"
+         );
+}
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/call.hxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/call.hxx
new file mode 100644
index 000000000..6738970d2
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/call.hxx
@@ -0,0 +1,37 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_MACOSX_X86_64_CALL_HXX
+#define INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_MACOSX_X86_64_CALL_HXX
+
+#include <sal/config.h>
+
+#include <sal/types.h>
+#include <typelib/typeclass.h>
+
+extern "C" typelib_TypeClass cpp_vtable_call(
+    sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
+    void ** gpreg, void ** fpreg, void ** ovrflw,
+    sal_uInt64 * pRegisterReturn /* space for register return */ );
+
+extern "C" void privateSnippetExecutor();
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.cxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.cxx
new file mode 100644
index 000000000..83a9ca81d
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.cxx
@@ -0,0 +1,178 @@
+/* -*- 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 .
+ */
+
+#include <sal/config.h>
+
+#include <cstring>
+
+#include <cppu/macros.hxx>
+#include <sal/types.h>
+#include <typelib/typeclass.h>
+#include <typelib/typedescription.h>
+
+#include "abi.hxx"
+#include "callvirtualmethod.hxx"
+
+// The call instruction within the asm block of callVirtualMethod may throw
+// exceptions.  At least GCC 4.7.0 with -O0 would create (unnecessary)
+// .gcc_exception_table call-site table entries around all other calls in this
+// function that can throw, leading to std::terminate if the asm call throws an
+// exception and the unwinding C++ personality routine finds the unexpected hole
+// in the .gcc_exception_table.  Therefore, make sure this function explicitly
+// only calls nothrow-functions (so GCC 4.7.0 with -O0 happens to not create a
+// .gcc_exception_table section at all for this function).  For some reason,
+// this also needs to be in a source file of its own.
+//
+// Also, this file should be compiled with -fnon-call-exceptions, and ideally
+// there would be a way to tell the compiler that the asm block contains calls
+// to functions that can potentially throw; see the mail thread starting at
+// <http://gcc.gnu.org/ml/gcc/2012-03/msg00454.html> "C++: Letting compiler know
+// asm block can call function that can throw?"
+
+void CPPU_CURRENT_NAMESPACE::callVirtualMethod(
+    void * pThis, sal_uInt32 nVtableIndex, void * pRegisterReturn,
+    typelib_TypeDescriptionReference * pReturnTypeRef, bool bSimpleReturn,
+    sal_uInt64 *pStack, sal_uInt32 nStack, sal_uInt64 *pGPR, double * pFPR)
+{
+    // Work around -fsanitize=address "inline assembly requires more registers
+    // than available" error:
+    struct Data {
+        sal_uInt64 pMethod;
+        sal_uInt64 * pStack;
+        sal_uInt32 nStack;
+        sal_uInt64 * pGPR;
+        double * pFPR;
+        // Return values:
+        sal_uInt64 rax;
+        sal_uInt64 rdx;
+        double xmm0;
+        double xmm1;
+    } data;
+    data.pStack = pStack;
+    data.nStack = nStack;
+    data.pGPR = pGPR;
+    data.pFPR = pFPR;
+
+    // Get pointer to method
+    sal_uInt64 pMethod = *static_cast<sal_uInt64 *>(pThis);
+    pMethod += 8 * nVtableIndex;
+    data.pMethod = *reinterpret_cast<sal_uInt64 *>(pMethod);
+
+    asm volatile (
+        // Push arguments to stack
+        "movq %%rsp, %%r12\n\t"
+        "movl 16%0, %%ecx\n\t"
+        "jrcxz Lpushed\n\t"
+        "xor %%rax, %%rax\n\t"
+        "leaq (%%rax, %%rcx, 8), %%rax\n\t"
+        "subq %%rax, %%rsp\n\t"
+        "andq $-9, %%rsp\n\t" // 16-bytes aligned
+        "movq 8%0, %%rsi\n\t"
+        "\nLpush:\n\t"
+        "decq %%rcx\n\t"
+        "movq (%%rsi, %%rcx, 8), %%rax\n\t"
+        "movq %%rax, (%%rsp, %%rcx, 8)\n\t"
+        "jnz Lpush\n\t"
+        "\nLpushed:\n\t"
+
+        // Fill the xmm registers
+        "movq 32%0, %%rax\n\t"
+
+        "movsd   (%%rax), %%xmm0\n\t"
+        "movsd  8(%%rax), %%xmm1\n\t"
+        "movsd 16(%%rax), %%xmm2\n\t"
+        "movsd 24(%%rax), %%xmm3\n\t"
+        "movsd 32(%%rax), %%xmm4\n\t"
+        "movsd 40(%%rax), %%xmm5\n\t"
+        "movsd 48(%%rax), %%xmm6\n\t"
+        "movsd 56(%%rax), %%xmm7\n\t"
+
+        // Fill the general purpose registers
+        "movq 24%0, %%rax\n\t"
+
+        "movq    (%%rax), %%rdi\n\t"
+        "movq   8(%%rax), %%rsi\n\t"
+        "movq  16(%%rax), %%rdx\n\t"
+        "movq  24(%%rax), %%rcx\n\t"
+        "movq  32(%%rax), %%r8\n\t"
+        "movq  40(%%rax), %%r9\n\t"
+
+        // Perform the call
+        "movq 0%0, %%r11\n\t"
+        "call *%%r11\n\t"
+
+        // Fill the return values
+        "movq   %%rax, 40%0\n\t"
+        "movq   %%rdx, 48%0\n\t"
+        "movsd %%xmm0, 56%0\n\t"
+        "movsd %%xmm1, 64%0\n\t"
+
+        // Reset %rsp
+        "movq %%r12, %%rsp\n\t"
+        :: "o" (data)
+        : "rax", "rdi", "rsi", "rdx", "rcx", "r8", "r9", "r10", "r11", "r12",
+          "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7",
+          "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15",
+          "memory"
+    );
+
+    switch (pReturnTypeRef->eTypeClass)
+    {
+    case typelib_TypeClass_HYPER:
+    case typelib_TypeClass_UNSIGNED_HYPER:
+        *static_cast<sal_uInt64 *>( pRegisterReturn ) = data.rax;
+        break;
+    case typelib_TypeClass_LONG:
+    case typelib_TypeClass_UNSIGNED_LONG:
+    case typelib_TypeClass_ENUM:
+        *static_cast<sal_uInt32 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt32 *>( &data.rax );
+        break;
+    case typelib_TypeClass_CHAR:
+    case typelib_TypeClass_SHORT:
+    case typelib_TypeClass_UNSIGNED_SHORT:
+        *static_cast<sal_uInt16 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt16 *>( &data.rax );
+        break;
+    case typelib_TypeClass_BOOLEAN:
+    case typelib_TypeClass_BYTE:
+        *static_cast<sal_uInt8 *>( pRegisterReturn ) = *reinterpret_cast<sal_uInt8 *>( &data.rax );
+        break;
+    case typelib_TypeClass_FLOAT:
+    case typelib_TypeClass_DOUBLE:
+        *static_cast<double *>( pRegisterReturn ) = data.xmm0;
+        break;
+    default:
+        {
+            sal_Int32 const nRetSize = pReturnTypeRef->pType->nSize;
+            if (bSimpleReturn && nRetSize <= 16 && nRetSize > 0)
+            {
+                sal_uInt64 longs[2];
+                longs[0] = data.rax;
+                longs[1] = data.rdx;
+
+                double doubles[2];
+                doubles[0] = data.xmm0;
+                doubles[1] = data.xmm1;
+                x86_64::fill_struct( pReturnTypeRef, &longs[0], &doubles[0], pRegisterReturn);
+            }
+            break;
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.hxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.hxx
new file mode 100644
index 000000000..ac096ed89
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.hxx
@@ -0,0 +1,40 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_MACOSX_X86_64_CALLVIRTUALMETHOD_HXX
+#define INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_MACOSX_X86_64_CALLVIRTUALMETHOD_HXX
+
+#include <sal/config.h>
+
+#include <cppu/macros.hxx>
+#include <sal/types.h>
+#include <typelib/typedescription.h>
+
+namespace CPPU_CURRENT_NAMESPACE {
+
+void callVirtualMethod(
+    void * pThis, sal_uInt32 nVtableIndex, void * pRegisterReturn,
+    typelib_TypeDescriptionReference * pReturnTypeRef, bool bSimpleReturn,
+    sal_uInt64 *pStack, sal_uInt32 nStack, sal_uInt64 *pGPR, double * pFPR);
+
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/cpp2uno.cxx
new file mode 100644
index 000000000..e371b15ce
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/cpp2uno.cxx
@@ -0,0 +1,519 @@
+/* -*- 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 .
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <rtl/alloc.h>
+#include <sal/log.hxx>
+
+#include <com/sun/star/uno/genfunc.hxx>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <uno/data.h>
+#include <typelib/typedescription.hxx>
+
+#include <bridge.hxx>
+#include <cppinterfaceproxy.hxx>
+#include <types.hxx>
+#include <vtablefactory.hxx>
+
+#include "abi.hxx"
+#include "call.hxx"
+#include "share.hxx"
+
+using namespace ::osl;
+using namespace ::com::sun::star::uno;
+
+
+// Perform the UNO call
+//
+// We must convert the parameters stored in gpreg, fpreg and ovrflw to UNO
+// arguments and call pThis->getUnoI()->pDispatcher.
+//
+// gpreg:  [ret *], this, [gpr params]
+// fpreg:  [fpr params]
+// ovrflw: [gpr or fpr params (properly aligned)]
+//
+// [ret *] is present when we are returning a structure bigger than 16 bytes
+// Simple types are returned in rax, rdx (int), or xmm0, xmm1 (fp).
+// Similarly structures <= 16 bytes are in rax, rdx, xmm0, xmm1 as necessary.
+static typelib_TypeClass cpp2uno_call(
+    bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
+    const typelib_TypeDescription * pMemberTypeDescr,
+    typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
+    sal_Int32 nParams, typelib_MethodParameter * pParams,
+    void ** gpreg, void ** fpreg, void ** ovrflw,
+    sal_uInt64 * pRegisterReturn /* space for register return */ )
+{
+    unsigned int nr_gpr = 0; //number of gpr registers used
+    unsigned int nr_fpr = 0; //number of fpr registers used
+
+    // return
+    typelib_TypeDescription * pReturnTypeDescr = nullptr;
+    if (pReturnTypeRef)
+        TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
+
+    void * pUnoReturn = nullptr;
+    void * pCppReturn = nullptr; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
+
+    if ( pReturnTypeDescr )
+    {
+        if ( x86_64::return_in_hidden_param( pReturnTypeRef ) )
+        {
+            pCppReturn = *gpreg++;
+            nr_gpr++;
+
+            pUnoReturn = ( bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
+                           ? alloca( pReturnTypeDescr->nSize )
+                           : pCppReturn ); // direct way
+        }
+        else
+            pUnoReturn = pRegisterReturn; // direct way for simple types
+    }
+
+    // pop this
+    gpreg++;
+    nr_gpr++;
+
+    // stack space
+    // parameters
+    void ** pUnoArgs = static_cast<void **>(alloca( 4 * sizeof(void *) * nParams ));
+    void ** pCppArgs = pUnoArgs + nParams;
+    // indices of values this have to be converted (interface conversion cpp<=>uno)
+    sal_Int32 * pTempIndices = reinterpret_cast<sal_Int32 *>(pUnoArgs + (2 * nParams));
+    // type descriptions for reconversions
+    typelib_TypeDescription ** ppTempParamTypeDescr = reinterpret_cast<typelib_TypeDescription **>(pUnoArgs + (3 * nParams));
+
+    sal_Int32 nTempIndices = 0;
+
+    for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
+    {
+        const typelib_MethodParameter & rParam = pParams[nPos];
+
+        int nUsedGPR = 0;
+        int nUsedSSE = 0;
+#ifndef NDEBUG
+        bool bFitsRegisters =
+#endif
+            x86_64::examine_argument( rParam.pTypeRef, false, nUsedGPR, nUsedSSE );
+        if ( !rParam.bOut && bridges::cpp_uno::shared::isSimpleType( rParam.pTypeRef ) ) // value
+        {
+            // Simple types must fit exactly one register on x86_64
+            assert(bFitsRegisters && ( ( nUsedSSE == 1 && nUsedGPR == 0 ) || ( nUsedSSE == 0 && nUsedGPR == 1 ) ));
+
+            if ( nUsedSSE == 1 )
+            {
+                if ( nr_fpr < x86_64::MAX_SSE_REGS )
+                {
+                    pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++;
+                    nr_fpr++;
+                }
+                else
+                    pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw++;
+            }
+            else if ( nUsedGPR == 1 )
+            {
+                if ( nr_gpr < x86_64::MAX_GPR_REGS )
+                {
+                    pCppArgs[nPos] = pUnoArgs[nPos] = gpreg++;
+                    nr_gpr++;
+                }
+                else
+                    pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw++;
+            }
+        }
+        else // struct <= 16 bytes || ptr to complex value || ref
+        {
+            typelib_TypeDescription * pParamTypeDescr = nullptr;
+            TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
+
+            void *pCppStack;
+            if ( nr_gpr < x86_64::MAX_GPR_REGS )
+            {
+                pCppArgs[nPos] = pCppStack = *gpreg++;
+                nr_gpr++;
+            }
+            else
+                pCppArgs[nPos] = pCppStack = *ovrflw++;
+
+            if (! rParam.bIn) // is pure out
+            {
+                // uno out is unconstructed mem!
+                pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
+                pTempIndices[nTempIndices] = nPos;
+                // will be released at reconversion
+                ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
+            }
+            else if ( bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ) ) // is in/inout
+            {
+                uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
+                                        pCppStack, pParamTypeDescr,
+                                        pThis->getBridge()->getCpp2Uno() );
+                pTempIndices[nTempIndices] = nPos; // has to be reconverted
+                // will be released at reconversion
+                ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
+            }
+            else // direct way
+            {
+                pUnoArgs[nPos] = pCppStack;
+                // no longer needed
+                TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+            }
+        }
+    }
+
+    // ExceptionHolder
+    uno_Any aUnoExc; // Any will be constructed by callee
+    uno_Any * pUnoExc = &aUnoExc;
+
+    // invoke uno dispatch call
+    (*pThis->getUnoI()->pDispatcher)( pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
+
+    // in case an exception occurred...
+    if ( pUnoExc )
+    {
+        // destruct temporary in/inout params
+        for ( ; nTempIndices--; )
+        {
+            sal_Int32 nIndex = pTempIndices[nTempIndices];
+
+            if (pParams[nIndex].bIn) // is in/inout => was constructed
+                uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndices], nullptr );
+            TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
+        }
+        if (pReturnTypeDescr)
+            TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+
+        CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc, pThis->getBridge()->getUno2Cpp() ); // has to destruct the any
+        // is here for dummy
+        return typelib_TypeClass_VOID;
+    }
+    else // else no exception occurred...
+    {
+        // temporary params
+        for ( ; nTempIndices--; )
+        {
+            sal_Int32 nIndex = pTempIndices[nTempIndices];
+            typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
+
+            if ( pParams[nIndex].bOut ) // inout/out
+            {
+                // convert and assign
+                uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
+                uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
+                                        pThis->getBridge()->getUno2Cpp() );
+            }
+            // destroy temp uno param
+            uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, nullptr );
+
+            TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+        }
+        // return
+        if ( pCppReturn ) // has complex return
+        {
+            if ( pUnoReturn != pCppReturn ) // needs reconversion
+            {
+                uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
+                                        pThis->getBridge()->getUno2Cpp() );
+                // destroy temp uno return
+                uno_destructData( pUnoReturn, pReturnTypeDescr, nullptr );
+            }
+            // complex return ptr is set to return reg
+            *reinterpret_cast<void **>(pRegisterReturn) = pCppReturn;
+        }
+        if ( pReturnTypeDescr )
+        {
+            typelib_TypeClass eRet = pReturnTypeDescr->eTypeClass;
+            TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+            return eRet;
+        }
+        else
+            return typelib_TypeClass_VOID;
+    }
+}
+
+typelib_TypeClass cpp_vtable_call(
+    sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
+    void ** gpreg, void ** fpreg, void ** ovrflw,
+    sal_uInt64 * pRegisterReturn /* space for register return */ )
+{
+    // gpreg:  [ret *], this, [other gpr params]
+    // fpreg:  [fpr params]
+    // ovrflw: [gpr or fpr params (properly aligned)]
+    void * pThis;
+    if ( nFunctionIndex & 0x80000000 )
+    {
+        nFunctionIndex &= 0x7fffffff;
+        pThis = gpreg[1];
+    }
+    else
+    {
+        pThis = gpreg[0];
+    }
+    pThis = static_cast<char *>( pThis ) - nVtableOffset;
+
+    bridges::cpp_uno::shared::CppInterfaceProxy * pCppI =
+        bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( pThis );
+
+    typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
+
+    if ( nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex )
+    {
+        SAL_WARN(
+            "bridges",
+            "illegal " << OUString::unacquired(&pTypeDescr->aBase.pTypeName)
+                << " vtable index " << nFunctionIndex << "/"
+                << pTypeDescr->nMapFunctionIndexToMemberIndex);
+        throw RuntimeException(
+            ("illegal " + OUString::unacquired(&pTypeDescr->aBase.pTypeName)
+             + " vtable index " + OUString::number(nFunctionIndex) + "/"
+             + OUString::number(pTypeDescr->nMapFunctionIndexToMemberIndex)),
+            reinterpret_cast<XInterface *>( pCppI ) );
+    }
+
+    // determine called method
+    sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
+    assert(nMemberPos < pTypeDescr->nAllMembers);
+
+    TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
+
+    typelib_TypeClass eRet;
+    switch ( aMemberDescr.get()->eTypeClass )
+    {
+        case typelib_TypeClass_INTERFACE_ATTRIBUTE:
+        {
+            typelib_TypeDescriptionReference *pAttrTypeRef =
+                reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( aMemberDescr.get() )->pAttributeTypeRef;
+
+            if ( pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex )
+            {
+                // is GET method
+                eRet = cpp2uno_call( pCppI, aMemberDescr.get(), pAttrTypeRef,
+                        0, nullptr, // no params
+                        gpreg, fpreg, ovrflw, pRegisterReturn );
+            }
+            else
+            {
+                // is SET method
+                typelib_MethodParameter aParam;
+                aParam.pTypeRef = pAttrTypeRef;
+                aParam.bIn      = true;
+                aParam.bOut     = false;
+
+                eRet = cpp2uno_call( pCppI, aMemberDescr.get(),
+                        nullptr, // indicates void return
+                        1, &aParam,
+                        gpreg, fpreg, ovrflw, pRegisterReturn );
+            }
+            break;
+        }
+        case typelib_TypeClass_INTERFACE_METHOD:
+        {
+            // is METHOD
+            switch ( nFunctionIndex )
+            {
+                case 1: // acquire()
+                    pCppI->acquireProxy(); // non virtual call!
+                    eRet = typelib_TypeClass_VOID;
+                    break;
+                case 2: // release()
+                    pCppI->releaseProxy(); // non virtual call!
+                    eRet = typelib_TypeClass_VOID;
+                    break;
+                case 0: // queryInterface() opt
+                {
+                    typelib_TypeDescription * pTD = nullptr;
+                    TYPELIB_DANGER_GET( &pTD, static_cast<Type *>( gpreg[2] )->getTypeLibType() );
+                    if ( pTD )
+                    {
+                        XInterface * pInterface = nullptr;
+                        (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)
+                            ( pCppI->getBridge()->getCppEnv(),
+                              reinterpret_cast<void **>(&pInterface),
+                              pCppI->getOid().pData,
+                              reinterpret_cast<typelib_InterfaceTypeDescription *>( pTD ) );
+
+                        if ( pInterface )
+                        {
+                            ::uno_any_construct( static_cast<uno_Any *>( gpreg[0] ),
+                                                 &pInterface, pTD, cpp_acquire );
+
+                            pInterface->release();
+                            TYPELIB_DANGER_RELEASE( pTD );
+
+                            reinterpret_cast<void **>( pRegisterReturn )[0] = gpreg[0];
+                            eRet = typelib_TypeClass_ANY;
+                            break;
+                        }
+                        TYPELIB_DANGER_RELEASE( pTD );
+                    }
+                    [[fallthrough]]; // else perform queryInterface()
+                }
+                default:
+                {
+                    typelib_InterfaceMethodTypeDescription *pMethodTD =
+                        reinterpret_cast<typelib_InterfaceMethodTypeDescription *>( aMemberDescr.get() );
+
+                    eRet = cpp2uno_call( pCppI, aMemberDescr.get(),
+                                         pMethodTD->pReturnTypeRef,
+                                         pMethodTD->nParams,
+                                         pMethodTD->pParams,
+                                         gpreg, fpreg, ovrflw, pRegisterReturn );
+                }
+            }
+            break;
+        }
+        default:
+        {
+            throw RuntimeException("no member description found!",
+                                    reinterpret_cast<XInterface *>( pCppI ) );
+        }
+    }
+
+    return eRet;
+}
+
+const int codeSnippetSize = 24;
+
+// Generate a trampoline that redirects method calls to
+// privateSnippetExecutor().
+//
+// privateSnippetExecutor() saves all the registers that are used for
+// parameter passing on x86_64, and calls the cpp_vtable_call().
+// When it returns, privateSnippetExecutor() sets the return value.
+//
+// Note: The code snippet we build here must not create a stack frame,
+// otherwise the UNO exceptions stop working thanks to non-existing
+// unwinding info.
+static unsigned char * codeSnippet( unsigned char * code,
+        sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
+        bool bHasHiddenParam )
+{
+    sal_uInt64 nOffsetAndIndex = ( static_cast<sal_uInt64>(nVtableOffset) << 32 ) | static_cast<sal_uInt64>(nFunctionIndex);
+
+    if ( bHasHiddenParam )
+        nOffsetAndIndex |= 0x80000000;
+
+    // movq $<nOffsetAndIndex>, %r10
+    *reinterpret_cast<sal_uInt16 *>( code ) = 0xba49;
+    *reinterpret_cast<sal_uInt16 *>( code + 2 ) = nOffsetAndIndex & 0xFFFF;
+    *reinterpret_cast<sal_uInt32 *>( code + 4 ) = nOffsetAndIndex >> 16;
+    *reinterpret_cast<sal_uInt16 *>( code + 8 ) = nOffsetAndIndex >> 48;
+
+    // movq $<address of the privateSnippetExecutor>, %r11
+    *reinterpret_cast<sal_uInt16 *>( code + 10 ) = 0xbb49;
+    *reinterpret_cast<sal_uInt32 *>( code + 12 )
+        = reinterpret_cast<sal_uInt64>(privateSnippetExecutor);
+    *reinterpret_cast<sal_uInt32 *>( code + 16 )
+        = reinterpret_cast<sal_uInt64>(privateSnippetExecutor) >> 32;
+
+    // jmpq *%r11
+    *reinterpret_cast<sal_uInt32 *>( code + 20 ) = 0x00e3ff49;
+
+#if OSL_DEBUG_LEVEL > 1
+    fprintf(stderr,
+            "==> codeSnippet, functionIndex=%d%s, vtableOffset=%d\n",
+            nFunctionIndex, (bHasHiddenParam ? "|0x80000000":""), nVtableOffset);
+#endif
+
+    return code + codeSnippetSize;
+}
+
+struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
+
+bridges::cpp_uno::shared::VtableFactory::Slot *
+bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
+{
+    return static_cast< Slot * >(block) + 2;
+}
+
+std::size_t bridges::cpp_uno::shared::VtableFactory::getBlockSize(
+    sal_Int32 slotCount)
+{
+    return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
+}
+
+bridges::cpp_uno::shared::VtableFactory::Slot *
+bridges::cpp_uno::shared::VtableFactory::initializeBlock(
+    void * block, sal_Int32 slotCount, sal_Int32,
+    typelib_InterfaceTypeDescription *)
+{
+    Slot * slots = mapBlockToVtable(block);
+    slots[-2].fn = nullptr;
+    slots[-1].fn = nullptr;
+    return slots + slotCount;
+}
+
+
+unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
+    Slot ** slots, unsigned char * code,
+    typelib_InterfaceTypeDescription const * type, sal_Int32 nFunctionOffset,
+    sal_Int32 functionCount, sal_Int32 nVtableOffset )
+{
+    const sal_PtrDiff writetoexecdiff = 0;
+    (*slots) -= functionCount;
+    Slot * s = *slots;
+    for ( sal_Int32 nPos = 0; nPos < type->nMembers; ++nPos )
+    {
+        typelib_TypeDescription * pTD = nullptr;
+
+        TYPELIB_DANGER_GET( &pTD, type->ppMembers[ nPos ] );
+        assert(pTD);
+
+        if ( typelib_TypeClass_INTERFACE_ATTRIBUTE == pTD->eTypeClass )
+        {
+            typelib_InterfaceAttributeTypeDescription *pAttrTD =
+                reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( pTD );
+
+            // get method
+            (s++)->fn = code + writetoexecdiff;
+            code = codeSnippet( code, nFunctionOffset++, nVtableOffset,
+                                x86_64::return_in_hidden_param( pAttrTD->pAttributeTypeRef ) );
+
+            if ( ! pAttrTD->bReadOnly )
+            {
+                // set method
+                (s++)->fn = code + writetoexecdiff;
+                code = codeSnippet( code, nFunctionOffset++, nVtableOffset, false );
+            }
+        }
+        else if ( typelib_TypeClass_INTERFACE_METHOD == pTD->eTypeClass )
+        {
+            typelib_InterfaceMethodTypeDescription *pMethodTD =
+                reinterpret_cast<typelib_InterfaceMethodTypeDescription *>( pTD );
+
+            (s++)->fn = code + writetoexecdiff;
+            code = codeSnippet( code, nFunctionOffset++, nVtableOffset,
+                                x86_64::return_in_hidden_param( pMethodTD->pReturnTypeRef ) );
+        }
+        else
+            assert(false);
+
+        TYPELIB_DANGER_RELEASE( pTD );
+    }
+    return code;
+}
+
+void bridges::cpp_uno::shared::VtableFactory::flushCode(
+    SAL_UNUSED_PARAMETER unsigned char const *,
+    SAL_UNUSED_PARAMETER unsigned char const * )
+{}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/except.cxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/except.cxx
new file mode 100644
index 000000000..36eeda41b
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/except.cxx
@@ -0,0 +1,407 @@
+/* -*- 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 .
+ */
+
+#include <sal/config.h>
+
+#include <cassert>
+#include <new>
+#include <stdio.h>
+#include <string.h>
+#include <typeinfo>
+
+#include <cxxabi.h>
+#include <dlfcn.h>
+
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/uno/genfunc.hxx>
+#include <sal/log.hxx>
+#include <osl/mutex.hxx>
+#include <rtl/strbuf.hxx>
+#include <rtl/ustrbuf.hxx>
+#include <typelib/typedescription.h>
+#include <uno/any2.h>
+#include <unordered_map>
+#include "share.hxx"
+
+using namespace ::osl;
+using namespace ::com::sun::star::uno;
+
+namespace CPPU_CURRENT_NAMESPACE {
+
+namespace {
+
+struct Fake_type_info {
+    virtual ~Fake_type_info() = delete;
+    char const * name;
+};
+
+struct Fake_class_type_info: Fake_type_info {
+    virtual ~Fake_class_type_info() override = delete;
+};
+
+struct Fake_si_class_type_info: Fake_class_type_info {
+    virtual ~Fake_si_class_type_info() override = delete;
+    void const * base;
+};
+
+struct Base {};
+struct Derived: Base {};
+
+std::type_info * createFake_class_type_info(char const * name) {
+    char * buf = new char[sizeof (Fake_class_type_info)];
+
+    *reinterpret_cast<void **>(buf) = *reinterpret_cast<void * const *>(
+        &typeid(Base));
+        // copy __cxxabiv1::__class_type_info vtable into place
+    Fake_class_type_info * fake = reinterpret_cast<Fake_class_type_info *>(buf);
+    fake->name = name;
+    return reinterpret_cast<std::type_info *>(
+        static_cast<Fake_type_info *>(fake));
+}
+
+std::type_info * createFake_si_class_type_info(
+    char const * name, std::type_info const * base)
+{
+    char * buf = new char[sizeof (Fake_si_class_type_info)];
+
+    *reinterpret_cast<void **>(buf) = *reinterpret_cast<void * const *>(
+        &typeid(Derived));
+        // copy __cxxabiv1::__si_class_type_info vtable into place
+    Fake_si_class_type_info * fake
+        = reinterpret_cast<Fake_si_class_type_info *>(buf);
+    fake->name = name;
+    fake->base = base;
+    return reinterpret_cast<std::type_info *>(
+        static_cast<Fake_type_info *>(fake));
+}
+
+}
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-function"
+#endif
+void dummy_can_throw_anything( char const * )
+{
+}
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
+static OUString toUNOname( char const * p )
+{
+#if OSL_DEBUG_LEVEL > 1
+    char const * start = p;
+#endif
+
+    // example: N3com3sun4star4lang24IllegalArgumentExceptionE
+
+    OUStringBuffer buf( 64 );
+    assert( 'N' == *p );
+    ++p; // skip N
+
+    while ('E' != *p)
+    {
+        // read chars count
+        long n = *p++ - '0';
+        while ('0' <= *p && '9' >= *p)
+        {
+            n *= 10;
+            n += (*p++ - '0');
+        }
+        buf.appendAscii( p, n );
+        p += n;
+        if ('E' != *p)
+            buf.append( '.' );
+    }
+
+#if OSL_DEBUG_LEVEL > 1
+    OUString ret( buf.makeStringAndClear() );
+    OString c_ret( OUStringToOString( ret, RTL_TEXTENCODING_ASCII_US ) );
+    fprintf( stderr, "> toUNOname(): %s => %s\n", start, c_ret.getStr() );
+    return ret;
+#else
+    return buf.makeStringAndClear();
+#endif
+}
+
+namespace {
+
+class RTTI
+{
+    typedef std::unordered_map< OUString, std::type_info * > t_rtti_map;
+
+    Mutex m_mutex;
+    t_rtti_map m_rttis;
+    t_rtti_map m_generatedRttis;
+
+    void * m_hApp;
+
+public:
+    RTTI();
+    ~RTTI();
+
+    std::type_info * getRTTI( typelib_CompoundTypeDescription * );
+};
+
+}
+
+RTTI::RTTI()
+    : m_hApp( dlopen( nullptr, RTLD_LAZY ) )
+{
+}
+
+RTTI::~RTTI()
+{
+    dlclose( m_hApp );
+}
+
+
+std::type_info * RTTI::getRTTI( typelib_CompoundTypeDescription *pTypeDescr )
+{
+    std::type_info * rtti;
+
+    OUString const & unoName = OUString::unacquired(&pTypeDescr->aBase.pTypeName);
+
+    MutexGuard guard( m_mutex );
+    t_rtti_map::const_iterator iFind( m_rttis.find( unoName ) );
+    if (iFind == m_rttis.end())
+    {
+        // RTTI symbol
+        OStringBuffer buf( 64 );
+        buf.append( "_ZTIN" );
+        sal_Int32 index = 0;
+        do
+        {
+            OUString token( unoName.getToken( 0, '.', index ) );
+            buf.append( token.getLength() );
+            OString c_token( OUStringToOString( token, RTL_TEXTENCODING_ASCII_US ) );
+            buf.append( c_token );
+        }
+        while (index >= 0);
+        buf.append( 'E' );
+
+        OString symName( buf.makeStringAndClear() );
+        rtti = static_cast<std::type_info *>(dlsym( m_hApp, symName.getStr() ));
+
+        if (rtti)
+        {
+            std::pair< t_rtti_map::iterator, bool > insertion(
+                m_rttis.insert( t_rtti_map::value_type( unoName, rtti ) ) );
+            SAL_WARN_IF( !insertion.second,
+                         "bridges",
+                         "inserting new rtti failed" );
+        }
+        else
+        {
+            // try to lookup the symbol in the generated rtti map
+            t_rtti_map::const_iterator iFind2( m_generatedRttis.find( unoName ) );
+            if (iFind2 == m_generatedRttis.end())
+            {
+                // we must generate it !
+                // symbol and rtti-name is nearly identical,
+                // the symbol is prefixed with _ZTI
+                char * rttiName = strdup(symName.getStr() + 4);
+                if (rttiName == nullptr) {
+                    throw std::bad_alloc();
+                }
+#if OSL_DEBUG_LEVEL > 1
+                fprintf( stderr,"generated rtti for %s\n", rttiName );
+#endif
+                if (pTypeDescr->pBaseTypeDescription)
+                {
+                    // ensure availability of base
+                    std::type_info * base_rtti = getRTTI(
+                        pTypeDescr->pBaseTypeDescription );
+                    rtti = createFake_si_class_type_info(rttiName, base_rtti);
+                }
+                else
+                {
+                    rtti = createFake_class_type_info(rttiName);
+                }
+
+                std::pair< t_rtti_map::iterator, bool > insertion(
+                    m_generatedRttis.insert( t_rtti_map::value_type( unoName, rtti ) ) );
+                SAL_WARN_IF( !insertion.second,
+                             "bridges",
+                             "inserting new generated rtti failed" );
+            }
+            else // taking already generated rtti
+            {
+                rtti = iFind2->second;
+            }
+        }
+    }
+    else
+    {
+        rtti = iFind->second;
+    }
+
+    return rtti;
+}
+
+
+static void deleteException( void * pExc )
+{
+    __cxa_exception const * header = static_cast<__cxa_exception const *>(pExc) - 1;
+    // The libcxxabi commit
+    // <http://llvm.org/viewvc/llvm-project?view=revision&revision=303175>
+    // "[libcxxabi] Align unwindHeader on a double-word boundary" towards
+    // LLVM 5.0 changed the size of __cxa_exception by adding
+    //
+    //   __attribute__((aligned))
+    //
+    // to the final member unwindHeader, on x86-64 effectively adding a hole of
+    // size 8 in front of that member (changing its offset from 88 to 96,
+    // sizeof(__cxa_exception) from 120 to 128, and alignof(__cxa_exception)
+    // from 8 to 16); a hack to dynamically determine whether we run against a
+    // new libcxxabi is to look at the exceptionDestructor member, which must
+    // point to this function (the use of __cxa_exception in fillUnoException is
+    // unaffected, as it only accesses members towards the start of the struct,
+    // through a pointer known to actually point at the start).  The libcxxabi commit
+    // <https://github.com/llvm/llvm-project/commit/f2a436058fcbc11291e73badb44e243f61046183>
+    // "[libcxxabi] Insert padding in __cxa_exception struct for compatibility" towards LLVM 11
+    // removes the need for this hack, so it can be removed again once we can be sure that we only
+    // run against libcxxabi from LLVM >= 11:
+    if (header->exceptionDestructor != &deleteException) {
+        header = reinterpret_cast<__cxa_exception const *>(
+            reinterpret_cast<char const *>(header) - 8);
+        assert(header->exceptionDestructor == &deleteException);
+    }
+    typelib_TypeDescription * pTD = nullptr;
+    OUString unoName( toUNOname( header->exceptionType->name() ) );
+    ::typelib_typedescription_getByName( &pTD, unoName.pData );
+    assert(pTD && "### unknown exception type! leaving out destruction => leaking!!!");
+    if (pTD)
+    {
+        ::uno_destructData( pExc, pTD, cpp_release );
+        ::typelib_typedescription_release( pTD );
+    }
+}
+
+void raiseException( uno_Any * pUnoExc, uno_Mapping * pUno2Cpp )
+{
+#if OSL_DEBUG_LEVEL > 1
+    OString cstr(
+        OUStringToOString(
+            OUString::unacquired( &pUnoExc->pType->pTypeName ),
+            RTL_TEXTENCODING_ASCII_US ) );
+    fprintf( stderr, "> uno exception occurred: %s\n", cstr.getStr() );
+#endif
+    void * pCppExc;
+    std::type_info * rtti;
+
+    {
+    // construct cpp exception object
+    typelib_TypeDescription * pTypeDescr = nullptr;
+    TYPELIB_DANGER_GET( &pTypeDescr, pUnoExc->pType );
+    assert(pTypeDescr);
+    if (! pTypeDescr)
+    {
+        throw RuntimeException(
+            "cannot get typedescription for type " +
+            OUString::unacquired( &pUnoExc->pType->pTypeName ) );
+    }
+
+    pCppExc = __cxxabiv1::__cxa_allocate_exception( pTypeDescr->nSize );
+    ::uno_copyAndConvertData( pCppExc, pUnoExc->pData, pTypeDescr, pUno2Cpp );
+
+    // destruct uno exception
+    ::uno_any_destruct( pUnoExc, nullptr );
+    // avoiding locked counts
+    static RTTI rtti_data;
+    rtti = rtti_data.getRTTI(reinterpret_cast<typelib_CompoundTypeDescription*>(pTypeDescr));
+    TYPELIB_DANGER_RELEASE( pTypeDescr );
+    assert(rtti && "### no rtti for throwing exception!");
+    if (! rtti)
+    {
+        throw RuntimeException(
+            "no rtti for type " +
+            OUString::unacquired( &pUnoExc->pType->pTypeName ) );
+    }
+    }
+
+    __cxxabiv1::__cxa_throw( pCppExc, rtti, deleteException );
+}
+
+void fillUnoException(uno_Any * pUnoExc, uno_Mapping * pCpp2Uno)
+{
+    __cxa_exception * header = __cxa_get_globals()->caughtExceptions;
+    if (! header)
+    {
+        RuntimeException aRE( "no exception header!" );
+        Type const & rType = cppu::UnoType<decltype(aRE)>::get();
+        uno_type_any_constructAndConvert( pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno );
+        SAL_WARN("bridges", aRE.Message);
+        return;
+    }
+
+    // Very bad HACK to find out whether we run against a libcxxabi that has a new
+    // __cxa_exception::reserved member at the start, introduced with LLVM 11
+    // <https://github.com/llvm/llvm-project/commit/f2a436058fcbc11291e73badb44e243f61046183>
+    // "[libcxxabi] Insert padding in __cxa_exception struct for compatibility".  The layout of the
+    // start of __cxa_exception is
+    //
+    //  [8 byte  void *reserve]
+    //   8 byte  size_t referenceCount
+    //
+    // where the (bad, hacky) assumption is that reserve (if present) is null
+    // (__cxa_allocate_exception in at least LLVM 11 zero-fills the object, and nothing actively
+    // sets reserve) while referenceCount is non-null (__cxa_throw sets it to 1, and
+    // __cxa_decrement_exception_refcount destroys the exception as soon as it drops to 0; for a
+    // __cxa_dependent_exception, the referenceCount member is rather
+    //
+    //   8 byte  void* primaryException
+    //
+    // but which also will always be set to a non-null value in __cxa_rethrow_primary_exception).
+    // As described in the definition of __cxa_exception
+    // (bridges/source/cpp_uno/gcc3_macosx_x86-64/share.hxx), this hack (together with the "#if 0"
+    // there) can be dropped once we can be sure that we only run against new libcxxabi that has the
+    // reserve member:
+    if (*reinterpret_cast<void **>(header) == nullptr) {
+        header = reinterpret_cast<__cxa_exception *>(reinterpret_cast<void **>(header) + 1);
+    }
+
+    std::type_info *exceptionType = __cxxabiv1::__cxa_current_exception_type();
+
+    typelib_TypeDescription * pExcTypeDescr = nullptr;
+    OUString unoName( toUNOname( exceptionType->name() ) );
+#if OSL_DEBUG_LEVEL > 1
+    OString cstr_unoName( OUStringToOString( unoName, RTL_TEXTENCODING_ASCII_US ) );
+    fprintf( stderr, "> c++ exception occurred: %s\n", cstr_unoName.getStr() );
+#endif
+    typelib_typedescription_getByName( &pExcTypeDescr, unoName.pData );
+    if (nullptr == pExcTypeDescr)
+    {
+        RuntimeException aRE( "exception type not found: " + unoName );
+        Type const & rType = cppu::UnoType<decltype(aRE)>::get();
+        uno_type_any_constructAndConvert( pUnoExc, &aRE, rType.getTypeLibType(), pCpp2Uno );
+        SAL_WARN("bridges", aRE.Message);
+    }
+    else
+    {
+        // construct uno exception any
+        uno_any_constructAndConvert( pUnoExc, header->adjustedPtr, pExcTypeDescr, pCpp2Uno );
+        typelib_typedescription_release( pExcTypeDescr );
+    }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/share.hxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/share.hxx
new file mode 100644
index 000000000..015cda1c0
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/share.hxx
@@ -0,0 +1,158 @@
+/* -*- 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 .
+ */
+#ifndef INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_MACOSX_X86_64_SHARE_HXX
+#define INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_MACOSX_X86_64_SHARE_HXX
+
+#include <uno/mapping.h>
+
+#include <typeinfo>
+#include <exception>
+#include <cstddef>
+
+namespace CPPU_CURRENT_NAMESPACE
+{
+
+// From opensource.apple.com: libunwind-35.1/include/unwind.h
+
+typedef enum {
+    _URC_NO_REASON = 0,
+    _URC_FOREIGN_EXCEPTION_CAUGHT = 1,
+    _URC_FATAL_PHASE2_ERROR = 2,
+    _URC_FATAL_PHASE1_ERROR = 3,
+    _URC_NORMAL_STOP = 4,
+    _URC_END_OF_STACK = 5,
+    _URC_HANDLER_FOUND = 6,
+    _URC_INSTALL_CONTEXT = 7,
+    _URC_CONTINUE_UNWIND = 8
+} _Unwind_Reason_Code;
+
+struct _Unwind_Exception
+{
+    uint64_t                   exception_class;
+    void                     (*exception_cleanup)(_Unwind_Reason_Code reason, struct _Unwind_Exception* exc);
+    uintptr_t                  private_1;        // non-zero means forced unwind
+    uintptr_t                  private_2;        // holds sp that phase1 found for phase2 to use
+#if !__LP64__
+    // The gcc implementation of _Unwind_Exception used attribute mode on the above fields
+    // which had the side effect of causing this whole struct to round up to 32 bytes in size.
+    // To be more explicit, we add pad fields added for binary compatibility.
+    uint32_t                reserved[3];
+#endif
+};
+
+
+// From libcppabi-24.2/include/unwind-cxx.h
+
+typedef unsigned _Unwind_Ptr __attribute__((__mode__(__pointer__)));
+
+// A C++ exception object consists of a header, which is a wrapper around
+// an unwind object header with additional C++ specific information,
+// followed by the exception object itself.
+
+struct __cxa_exception
+{
+#if __LP64__
+#if 0
+    // This is a new field added with LLVM 11
+    // <https://github.com/llvm/llvm-project/commit/f2a436058fcbc11291e73badb44e243f61046183>
+    // "[libcxxabi] Insert padding in __cxa_exception struct for compatibility".  The HACK in
+    // fillUnoException (bridges/source/cpp_uno/gcc3_macosx_x86-64/except.cxx) tries to find out at
+    // runtime whether a __cxa_exception has this member.  Once we can be sure that we only run
+    // against new libcxxabi that has this member, we can drop the "#if 0" here and drop the hack
+    // in fillUnoException.
+
+    // Now _Unwind_Exception is marked with __attribute__((aligned)),
+    // which implies __cxa_exception is also aligned. Insert padding
+    // in the beginning of the struct, rather than before unwindHeader.
+    void *reserve;
+#endif
+
+    // This is a new field to support C++ 0x exception_ptr.
+    // For binary compatibility it is at the start of this
+    // struct which is prepended to the object thrown in
+    // __cxa_allocate_exception.
+  size_t referenceCount;
+#endif
+  // Manage the exception object itself.
+  std::type_info *exceptionType;
+  void (*exceptionDestructor)(void *);
+
+  // The C++ standard has entertaining rules wrt calling set_terminate
+  // and set_unexpected in the middle of the exception cleanup process.
+  void (*unexpectedHandler)(); // std::unexpected_handler dropped from C++17
+  std::terminate_handler terminateHandler;
+
+  // The caught exception stack threads through here.
+  __cxa_exception *nextException;
+
+  // How many nested handlers have caught this exception.  A negated
+  // value is a signal that this object has been rethrown.
+  int handlerCount;
+
+#ifdef __ARM_EABI_UNWINDER__
+  // Stack of exceptions in cleanups.
+  __cxa_exception* nextPropagatingException;
+
+  // The number of active cleanup handlers for this exception.
+  int propagationCount;
+#else
+  // Cache parsed handler data from the personality routine Phase 1
+  // for Phase 2 and __cxa_call_unexpected.
+  int handlerSwitchValue;
+  const unsigned char *actionRecord;
+  const unsigned char *languageSpecificData;
+  _Unwind_Ptr catchTemp;
+  void *adjustedPtr;
+#endif
+#if !__LP64__
+    // This is a new field to support C++ 0x exception_ptr.
+    // For binary compatibility it is placed where the compiler
+    // previously adding padded to 64-bit align unwindHeader.
+  size_t referenceCount;
+#endif
+
+  // The generic exception header.  Must be last.
+  _Unwind_Exception unwindHeader;
+};
+
+// Each thread in a C++ program has access to a __cxa_eh_globals object.
+struct __cxa_eh_globals
+{
+  __cxa_exception *caughtExceptions;
+  unsigned int uncaughtExceptions;
+#ifdef __ARM_EABI_UNWINDER__
+  __cxa_exception* propagatingExceptions;
+#endif
+};
+
+}
+
+extern "C" CPPU_CURRENT_NAMESPACE::__cxa_eh_globals *__cxa_get_globals () throw();
+
+namespace CPPU_CURRENT_NAMESPACE
+{
+
+void raiseException(
+    uno_Any * pUnoExc, uno_Mapping * pUno2Cpp );
+
+void fillUnoException(uno_Any *, uno_Mapping * pCpp2Uno);
+}
+
+#endif
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/uno2cpp.cxx
new file mode 100644
index 000000000..0b320a00c
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/uno2cpp.cxx
@@ -0,0 +1,442 @@
+/* -*- 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 .
+ */
+
+#include <sal/alloca.h>
+
+#include <exception>
+#include <typeinfo>
+
+#include <rtl/alloc.h>
+
+#include <com/sun/star/uno/genfunc.hxx>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <o3tl/runtimetooustring.hxx>
+#include <uno/data.h>
+
+#include <bridge.hxx>
+#include <types.hxx>
+#include <unointerfaceproxy.hxx>
+#include <vtables.hxx>
+
+#include "abi.hxx"
+#include "callvirtualmethod.hxx"
+#include "share.hxx"
+
+using namespace ::com::sun::star::uno;
+
+namespace {
+
+// Functions for easier insertion of values to registers or stack
+// pSV - pointer to the source
+// nr - order of the value [will be increased if stored to register]
+// pFPR, pGPR - pointer to the registers
+// pDS - pointer to the stack [will be increased if stored here]
+
+// The value in %xmm register is already prepared to be retrieved as a float,
+// thus we treat float and double the same
+void INSERT_FLOAT_DOUBLE(
+    void const * pSV, sal_uInt32 & nr, double * pFPR, sal_uInt64 *& pDS)
+{
+    if ( nr < x86_64::MAX_SSE_REGS )
+        pFPR[nr++] = *static_cast<double const *>( pSV );
+    else
+        *pDS++ = *static_cast<sal_uInt64 const *>( pSV ); // verbatim!
+}
+
+void INSERT_INT64(
+    void const * pSV, sal_uInt32 & nr, sal_uInt64 * pGPR, sal_uInt64 *& pDS)
+{
+    if ( nr < x86_64::MAX_GPR_REGS )
+        pGPR[nr++] = *static_cast<sal_uInt64 const *>( pSV );
+    else
+        *pDS++ = *static_cast<sal_uInt64 const *>( pSV );
+}
+
+void INSERT_INT32(
+    void const * pSV, sal_uInt32 & nr, sal_uInt64 * pGPR, sal_uInt64 *& pDS)
+{
+    if ( nr < x86_64::MAX_GPR_REGS )
+        pGPR[nr++] = *static_cast<sal_uInt32 const *>( pSV );
+    else
+        *pDS++ = *static_cast<sal_uInt32 const *>( pSV );
+}
+
+void INSERT_INT16(
+    void const * pSV, sal_uInt32 & nr, sal_uInt64 * pGPR, sal_uInt64 *& pDS)
+{
+    if ( nr < x86_64::MAX_GPR_REGS )
+        pGPR[nr++] = *static_cast<sal_uInt16 const *>( pSV );
+    else
+        *pDS++ = *static_cast<sal_uInt16 const *>( pSV );
+}
+
+void INSERT_INT8(
+    void const * pSV, sal_uInt32 & nr, sal_uInt64 * pGPR, sal_uInt64 *& pDS)
+{
+    if ( nr < x86_64::MAX_GPR_REGS )
+        pGPR[nr++] = *static_cast<sal_uInt8 const *>( pSV );
+    else
+        *pDS++ = *static_cast<sal_uInt8 const *>( pSV );
+}
+
+}
+
+static void cpp_call(
+    bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
+    bridges::cpp_uno::shared::VtableSlot aVtableSlot,
+    typelib_TypeDescriptionReference * pReturnTypeRef,
+    sal_Int32 nParams, typelib_MethodParameter * pParams,
+    void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
+{
+    // Maximum space for [complex ret ptr], values | ptr ...
+    // (but will be used less - some of the values will be in pGPR and pFPR)
+    sal_uInt64 *pStack = static_cast<sal_uInt64 *>(__builtin_alloca( (nParams + 3) * sizeof(sal_uInt64) ));
+    sal_uInt64 *pStackStart = pStack;
+
+    sal_uInt64 pGPR[x86_64::MAX_GPR_REGS];
+    sal_uInt32 nGPR = 0;
+
+    double pFPR[x86_64::MAX_SSE_REGS];
+    sal_uInt32 nFPR = 0;
+
+    // Return
+    typelib_TypeDescription * pReturnTypeDescr = nullptr;
+    TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
+    assert(pReturnTypeDescr);
+
+    void * pCppReturn = nullptr; // if != 0 && != pUnoReturn, needs reconversion (see below)
+
+    bool bSimpleReturn = true;
+    if ( pReturnTypeDescr )
+    {
+        if ( x86_64::return_in_hidden_param( pReturnTypeRef ) )
+            bSimpleReturn = false;
+
+        if ( bSimpleReturn )
+            pCppReturn = pUnoReturn; // direct way for simple types
+        else
+        {
+            // complex return via ptr
+            pCppReturn = bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )?
+                         __builtin_alloca( pReturnTypeDescr->nSize ) : pUnoReturn;
+            INSERT_INT64( &pCppReturn, nGPR, pGPR, pStack );
+        }
+    }
+
+    // Push "this" pointer
+    void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset;
+    INSERT_INT64( &pAdjustedThisPtr, nGPR, pGPR, pStack );
+
+    // Args
+    void ** pCppArgs = static_cast<void **>(alloca( 3 * sizeof(void *) * nParams ));
+    // Indices of values this have to be converted (interface conversion cpp<=>uno)
+    sal_Int32 * pTempIndices = reinterpret_cast<sal_Int32 *>(pCppArgs + nParams);
+    // Type descriptions for reconversions
+    typelib_TypeDescription ** ppTempParamTypeDescr = reinterpret_cast<typelib_TypeDescription **>(pCppArgs + (2 * nParams));
+
+    sal_Int32 nTempIndices = 0;
+
+    for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
+    {
+        const typelib_MethodParameter & rParam = pParams[nPos];
+        typelib_TypeDescription * pParamTypeDescr = nullptr;
+        TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
+
+        if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
+        {
+            uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr,
+                                    pThis->getBridge()->getUno2Cpp() );
+
+            switch (pParamTypeDescr->eTypeClass)
+            {
+            case typelib_TypeClass_HYPER:
+            case typelib_TypeClass_UNSIGNED_HYPER:
+                INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack );
+                break;
+            case typelib_TypeClass_LONG:
+            case typelib_TypeClass_UNSIGNED_LONG:
+            case typelib_TypeClass_ENUM:
+                INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack );
+                break;
+            case typelib_TypeClass_SHORT:
+            case typelib_TypeClass_CHAR:
+            case typelib_TypeClass_UNSIGNED_SHORT:
+                INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack );
+                break;
+            case typelib_TypeClass_BOOLEAN:
+            case typelib_TypeClass_BYTE:
+                INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack );
+                break;
+            case typelib_TypeClass_FLOAT:
+            case typelib_TypeClass_DOUBLE:
+                INSERT_FLOAT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, pStack );
+                break;
+            default:
+                break;
+            }
+
+            // no longer needed
+            TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+        }
+        else // ptr to complex value | ref
+        {
+            if (! rParam.bIn) // is pure out
+            {
+                // cpp out is constructed mem, uno out is not!
+                uno_constructData(
+                    pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
+                    pParamTypeDescr );
+                pTempIndices[nTempIndices] = nPos; // default constructed for cpp call
+                // will be released at reconversion
+                ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
+            }
+            // is in/inout
+            else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
+            {
+                uno_copyAndConvertData(
+                    pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
+                    pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
+
+                pTempIndices[nTempIndices] = nPos; // has to be reconverted
+                // will be released at reconversion
+                ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
+            }
+            else // direct way
+            {
+                pCppArgs[nPos] = pUnoArgs[nPos];
+                // no longer needed
+                TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+            }
+            INSERT_INT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack );
+        }
+    }
+
+    try
+    {
+        try {
+            CPPU_CURRENT_NAMESPACE::callVirtualMethod(
+                pAdjustedThisPtr, aVtableSlot.index,
+                pCppReturn, pReturnTypeRef, bSimpleReturn,
+                pStackStart, ( pStack - pStackStart ),
+                pGPR, pFPR );
+        } catch (const Exception &) {
+            throw;
+        } catch (const std::exception & e) {
+            throw RuntimeException(
+                "C++ code threw " + o3tl::runtimeToOUString(typeid(e).name())
+                + ": " + o3tl::runtimeToOUString(e.what()));
+        } catch (...) {
+            throw RuntimeException("C++ code threw unknown exception");
+        }
+
+        *ppUnoExc = nullptr;
+
+        // reconvert temporary params
+        for ( ; nTempIndices--; )
+        {
+            sal_Int32 nIndex = pTempIndices[nTempIndices];
+            typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
+
+            if (pParams[nIndex].bIn)
+            {
+                if (pParams[nIndex].bOut) // inout
+                {
+                    uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, nullptr ); // destroy uno value
+                    uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
+                                            pThis->getBridge()->getCpp2Uno() );
+                }
+            }
+            else // pure out
+            {
+                uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
+                                        pThis->getBridge()->getCpp2Uno() );
+            }
+            // destroy temp cpp param => cpp: every param was constructed
+            uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
+
+            TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+        }
+        // return value
+        if (pCppReturn && pUnoReturn != pCppReturn)
+        {
+            uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
+                                    pThis->getBridge()->getCpp2Uno() );
+            uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
+        }
+    }
+    catch (...)
+    {
+        // fill uno exception
+        CPPU_CURRENT_NAMESPACE::fillUnoException(*ppUnoExc, pThis->getBridge()->getCpp2Uno());
+
+        // temporary params
+        for ( ; nTempIndices--; )
+        {
+            sal_Int32 nIndex = pTempIndices[nTempIndices];
+            // destroy temp cpp param => cpp: every param was constructed
+            uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release );
+            TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
+        }
+        // return type
+        if (pReturnTypeDescr)
+            TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+    }
+}
+
+
+namespace bridges::cpp_uno::shared {
+
+void unoInterfaceProxyDispatch(
+    uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
+    void * pReturn, void * pArgs[], uno_Any ** ppException )
+{
+    // is my surrogate
+    bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
+        = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
+#if OSL_DEBUG_LEVEL > 0
+    typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
+#endif
+
+    switch (pMemberDescr->eTypeClass)
+    {
+    case typelib_TypeClass_INTERFACE_ATTRIBUTE:
+    {
+#if OSL_DEBUG_LEVEL > 0
+        // determine vtable call index
+        sal_Int32 nMemberPos = reinterpret_cast<typelib_InterfaceMemberTypeDescription const *>(pMemberDescr)->nPosition;
+        assert(nMemberPos < pTypeDescr->nAllMembers);
+#endif
+        VtableSlot aVtableSlot(
+                getVtableSlot(
+                    reinterpret_cast<
+                    typelib_InterfaceAttributeTypeDescription const * >(
+                        pMemberDescr)));
+
+        if (pReturn)
+        {
+            // dependent dispatch
+            cpp_call(
+                pThis, aVtableSlot,
+                reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>(pMemberDescr)->pAttributeTypeRef,
+                0, nullptr, // no params
+                pReturn, pArgs, ppException );
+        }
+        else
+        {
+            // is SET
+            typelib_MethodParameter aParam;
+            aParam.pTypeRef =
+                reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>(pMemberDescr)->pAttributeTypeRef;
+            aParam.bIn      = true;
+            aParam.bOut     = false;
+
+            typelib_TypeDescriptionReference * pReturnTypeRef = nullptr;
+            OUString aVoidName("void");
+            typelib_typedescriptionreference_new(
+                &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
+
+            // dependent dispatch
+            aVtableSlot.index += 1; // get, then set method
+            cpp_call(
+                pThis, aVtableSlot, // get, then set method
+                pReturnTypeRef,
+                1, &aParam,
+                pReturn, pArgs, ppException );
+
+            typelib_typedescriptionreference_release( pReturnTypeRef );
+        }
+
+        break;
+    }
+    case typelib_TypeClass_INTERFACE_METHOD:
+    {
+#if OSL_DEBUG_LEVEL > 0
+        // determine vtable call index
+        sal_Int32 nMemberPos = reinterpret_cast<typelib_InterfaceMemberTypeDescription const *>(pMemberDescr)->nPosition;
+        assert(nMemberPos < pTypeDescr->nAllMembers);
+#endif
+        VtableSlot aVtableSlot(
+                getVtableSlot(
+                    reinterpret_cast<
+                    typelib_InterfaceMethodTypeDescription const * >(
+                        pMemberDescr)));
+
+        switch (aVtableSlot.index)
+        {
+            // standard calls
+        case 1: // acquire uno interface
+            (*pUnoI->acquire)( pUnoI );
+            *ppException = nullptr;
+            break;
+        case 2: // release uno interface
+            (*pUnoI->release)( pUnoI );
+            *ppException = nullptr;
+            break;
+        case 0: // queryInterface() opt
+        {
+            typelib_TypeDescription * pTD = nullptr;
+            TYPELIB_DANGER_GET( &pTD, static_cast< Type * >( pArgs[0] )->getTypeLibType() );
+            if (pTD)
+            {
+                uno_Interface * pInterface = nullptr;
+                (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)(
+                    pThis->getBridge()->getUnoEnv(),
+                    reinterpret_cast<void **>(&pInterface), pThis->oid.pData, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD) );
+
+                if (pInterface)
+                {
+                    ::uno_any_construct(
+                        static_cast< uno_Any * >( pReturn ),
+                        &pInterface, pTD, nullptr );
+                    (*pInterface->release)( pInterface );
+                    TYPELIB_DANGER_RELEASE( pTD );
+                    *ppException = nullptr;
+                    break;
+                }
+                TYPELIB_DANGER_RELEASE( pTD );
+            }
+            [[fallthrough]]; // else perform queryInterface()
+        }
+        default:
+            // dependent dispatch
+            cpp_call(
+                pThis, aVtableSlot,
+                reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberDescr)->pReturnTypeRef,
+                reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberDescr)->nParams,
+                reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberDescr)->pParams,
+                pReturn, pArgs, ppException );
+        }
+        break;
+    }
+    default:
+    {
+        ::com::sun::star::uno::RuntimeException aExc(
+            "illegal member type description!",
+            ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
+
+        Type const & rExcType = cppu::UnoType<decltype(aExc)>::get();
+        // binary identical null reference
+        ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), nullptr );
+    }
+    }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */