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

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

1 files changed, 669 insertions, 0 deletions

diff --git a/bridges/source/cpp_uno/gcc3_linux_alpha/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_alpha/cpp2uno.cxx
new file mode 100644
index 000000000..bd0be3981
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_linux_alpha/cpp2uno.cxx
@@ -0,0 +1,669 @@
+/* -*- 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 <com/sun/star/uno/genfunc.hxx>
+#include <sal/log.hxx>
+#include <uno/data.h>
+#include <typelib/typedescription.hxx>
+
+#include "bridge.hxx"
+#include "cppinterfaceproxy.hxx"
+#include "types.hxx"
+#include "vtablefactory.hxx"
+
+#include "share.hxx"
+#include <stdio.h>
+
+//Calling Standards:
+//  "Calling Standard for Alpha Systems"
+//     (Tru64 UNIX Version 5.1 or higher, August 2000)
+//http://www.tru64unix.compaq.com/docs/base_doc/DOCUMENTATION/V51_HTML/ARH9MBTE/TITLE.HTM
+
+using namespace ::com::sun::star::uno;
+
+namespace
+{
+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_Int64 * pRegisterReturn /* space for register return */ )
+{
+#if OSL_DEBUG_LEVEL > 2
+    fprintf(stderr, "as far as cpp2uno_call\n");
+#endif
+    int nregs = 0; //number of words passed in registers
+
+    // gpreg:  [ret *], this, [gpr params]
+    // fpreg:  [fpr params]
+    // ovrflw: [gpr or fpr params (properly aligned)]
+
+    // return
+    typelib_TypeDescription * pReturnTypeDescr = 0;
+    if (pReturnTypeRef)
+        TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
+
+    void * pUnoReturn = 0;
+    void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
+
+    if (pReturnTypeDescr)
+    {
+        if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
+        {
+            pUnoReturn = pRegisterReturn; // direct way for simple types
+        }
+        else // complex return via ptr (pCppReturn)
+        {
+            pCppReturn = *(void **)gpreg;
+            gpreg++;
+            fpreg++;
+            nregs++;
+
+            pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
+                          ? alloca( pReturnTypeDescr->nSize )
+                          : pCppReturn); // direct way
+        }
+    }
+    // pop this
+    gpreg++;
+    fpreg++;
+    nregs++;
+
+    // stack space
+    static_assert(sizeof(void *) == sizeof(sal_Int64), "### unexpected size!");
+    // parameters
+    void ** pUnoArgs = (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 = (sal_Int32 *)(pUnoArgs + (2 * nParams));
+    // type descriptions for reconversions
+    typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
+
+    sal_Int32 nTempIndices   = 0;
+    for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
+    {
+        const typelib_MethodParameter & rParam = pParams[nPos];
+        typelib_TypeDescription * pParamTypeDescr = 0;
+        TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
+
+#if OSL_DEBUG_LEVEL > 2
+        fprintf(stderr, "arg %d of %d\n", nPos, nParams);
+#endif
+
+        if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) // value
+        {
+#if OSL_DEBUG_LEVEL > 2
+            fprintf(stderr, "simple type is %d\n", pParamTypeDescr->eTypeClass);
+#endif
+
+            switch (pParamTypeDescr->eTypeClass)
+            {
+                case typelib_TypeClass_FLOAT:
+                case typelib_TypeClass_DOUBLE:
+                    if (nregs < axp::MAX_WORDS_IN_REGS)
+                    {
+                        if (pParamTypeDescr->eTypeClass == typelib_TypeClass_FLOAT)
+                        {
+                            float tmp = (float) (*((double *)fpreg));
+                            (*((float *) fpreg)) = tmp;
+                        }
+
+                        pCppArgs[nPos] = pUnoArgs[nPos] = fpreg;
+                        gpreg++;
+                        fpreg++;
+                        nregs++;
+                    }
+                    else
+                    {
+                        pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
+                        ovrflw++;
+                    }
+                    break;
+                case typelib_TypeClass_BYTE:
+                case typelib_TypeClass_BOOLEAN:
+                    if (nregs < axp::MAX_WORDS_IN_REGS)
+                    {
+                        pCppArgs[nPos] = pUnoArgs[nPos] = gpreg;
+                        gpreg++;
+                        fpreg++;
+                        nregs++;
+                    }
+                    else
+                    {
+                        pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
+                        ovrflw++;
+                    }
+                    break;
+                case typelib_TypeClass_CHAR:
+                case typelib_TypeClass_SHORT:
+                case typelib_TypeClass_UNSIGNED_SHORT:
+                    if (nregs < axp::MAX_WORDS_IN_REGS)
+                    {
+                        pCppArgs[nPos] = pUnoArgs[nPos] = gpreg;
+                        gpreg++;
+                        fpreg++;
+                        nregs++;
+                    }
+                    else
+                    {
+                        pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
+                        ovrflw++;
+                    }
+                    break;
+                case typelib_TypeClass_ENUM:
+                case typelib_TypeClass_LONG:
+                case typelib_TypeClass_UNSIGNED_LONG:
+                    if (nregs < axp::MAX_WORDS_IN_REGS)
+                    {
+                        pCppArgs[nPos] = pUnoArgs[nPos] = gpreg;
+                        gpreg++;
+                        fpreg++;
+                        nregs++;
+                    }
+                    else
+                    {
+                        pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
+                        ovrflw++;
+                    }
+                    break;
+                default:
+                    if (nregs < axp::MAX_WORDS_IN_REGS)
+                    {
+                        pCppArgs[nPos] = pUnoArgs[nPos] = gpreg;
+                        gpreg++;
+                        fpreg++;
+                        nregs++;
+                    }
+                    else
+                    {
+                        pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
+                        ovrflw++;
+                    }
+                    break;
+            }
+
+            // no longer needed
+            TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+        }
+        else // ptr to complex value | ref
+        {
+#if OSL_DEBUG_LEVEL > 2
+            fprintf(stderr, "complex, nregs is %d\n", nregs);
+#endif
+
+            void *pCppStack; //temporary stack pointer
+
+            if (nregs < axp::MAX_WORDS_IN_REGS)
+            {
+                pCppArgs[nPos] = pCppStack = *gpreg;
+                gpreg++;
+                fpreg++;
+                nregs++;
+            }
+            else
+            {
+                pCppArgs[nPos] = pCppStack = *ovrflw;
+                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;
+            }
+            // is in/inout
+            else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
+            {
+                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 );
+            }
+        }
+    }
+
+#if OSL_DEBUG_LEVEL > 2
+    fprintf(stderr, "end of params\n");
+#endif
+
+    // 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], 0 );
+            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, 0 );
+
+            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, 0 );
+            }
+            // complex return ptr is set to return reg
+            *(void **)pRegisterReturn = pCppReturn;
+        }
+        if (pReturnTypeDescr)
+        {
+            typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
+            TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+            return eRet;
+        }
+        else
+            return typelib_TypeClass_VOID;
+    }
+}
+
+
+static typelib_TypeClass cpp_mediate(
+    sal_uInt64 nOffsetAndIndex,
+    void ** gpreg, void ** fpreg, void ** ovrflw,
+    sal_Int64 * pRegisterReturn /* space for register return */ )
+{
+    static_assert(sizeof(sal_Int64)==sizeof(void *), "### unexpected!");
+
+    sal_Int32 nVtableOffset = (nOffsetAndIndex >> 32);
+    sal_Int32 nFunctionIndex = (nOffsetAndIndex & 0xFFFFFFFF);
+
+#if OSL_DEBUG_LEVEL > 2
+    fprintf(stderr, "nVTableOffset, nFunctionIndex are %x %x\n", nVtableOffset, nFunctionIndex);
+#endif
+
+#if OSL_DEBUG_LEVEL > 2
+        // Let's figure out what is really going on here
+        {
+            fprintf( stderr, "= cpp_mediate () =\nGPR's (%d): ", 6 );
+            for ( unsigned int i = 0; i < 6; ++i )
+                fprintf( stderr, "0x%lx, ", gpreg[i] );
+            fprintf( stderr, "\n");
+            fprintf( stderr, "\nFPR's (%d): ", 6 );
+            for ( unsigned int i = 0; i < 6; ++i )
+                fprintf( stderr, "0x%lx (%f), ", fpreg[i], fpreg[i] );
+            fprintf( stderr, "\n");
+        }
+#endif
+
+
+    // gpreg:  [ret *], this, [other gpr params]
+    // fpreg:  [fpr params]
+    // ovrflw: [gpr or fpr params (properly aligned)]
+
+    // _this_ ptr is patched cppu_XInterfaceProxy object
+    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)),
+            (XInterface *)pCppI);
+    }
+
+    // determine called method
+    assert(nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex);
+    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:
+    {
+        if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
+        {
+            // is GET method
+            eRet = cpp2uno_call(
+                pCppI, aMemberDescr.get(),
+                ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
+                0, 0, // no params
+                gpreg, fpreg, ovrflw, pRegisterReturn );
+        }
+        else
+        {
+            // is SET method
+            typelib_MethodParameter aParam;
+            aParam.pTypeRef =
+                ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
+            aParam.bIn      = sal_True;
+            aParam.bOut     = sal_False;
+
+            eRet = cpp2uno_call(
+                pCppI, aMemberDescr.get(),
+                0, // 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 = 0;
+            TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( gpreg[2] )->getTypeLibType() );
+            if (pTD)
+            {
+                XInterface * pInterface = 0;
+                (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
+                    pCppI->getBridge()->getCppEnv(),
+                    (void **)&pInterface, pCppI->getOid().pData,
+                    (typelib_InterfaceTypeDescription *)pTD );
+
+                if (pInterface)
+                {
+                    ::uno_any_construct(
+                        reinterpret_cast< uno_Any * >( gpreg[0] ),
+                        &pInterface, pTD, cpp_acquire );
+                    pInterface->release();
+                    TYPELIB_DANGER_RELEASE( pTD );
+                    *(void **)pRegisterReturn = gpreg[0];
+                    eRet = typelib_TypeClass_ANY;
+                    break;
+                }
+                TYPELIB_DANGER_RELEASE( pTD );
+            }
+        } // else perform queryInterface()
+        default:
+            eRet = cpp2uno_call(
+                pCppI, aMemberDescr.get(),
+                ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
+                ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
+                ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
+                gpreg, fpreg, ovrflw, pRegisterReturn );
+        }
+        break;
+    }
+    default:
+    {
+        throw RuntimeException( "no member description found!", (XInterface *)pCppI );
+    }
+    }
+
+    return eRet;
+}
+
+long cpp_vtable_call(long r16, long r17, long r18, long r19, long r20, long r21, long firstonstack)
+{
+    register long r1 asm("$1");
+    sal_uInt64 nOffsetAndIndex = r1;
+
+    long sp = (long)&firstonstack;
+
+    sal_uInt64 gpreg[axp::MAX_GPR_REGS];
+    gpreg[0] = r16;
+    gpreg[1] = r17;
+    gpreg[2] = r18;
+    gpreg[3] = r19;
+    gpreg[4] = r20;
+    gpreg[5] = r21;
+
+    double fpreg[axp::MAX_SSE_REGS];
+    register double f16  asm("$f16");  fpreg[0] = f16;
+    register double f17  asm("$f17");  fpreg[1] = f17;
+    register double f18  asm("$f18");  fpreg[2] = f18;
+    register double f19  asm("$f19");  fpreg[3] = f19;
+    register double f20  asm("$f20");  fpreg[4] = f20;
+    register double f21  asm("$f21");  fpreg[5] = f21;
+
+    volatile long nRegReturn[1];
+#if OSL_DEBUG_LEVEL > 2
+    fprintf(stderr, "before mediate with %lx\n",nOffsetAndIndex);
+    fprintf(stderr, "non-doubles are %x %x %x %x %x %x\n", gpreg[0], gpreg[1], gpreg[2], gpreg[3], gpreg[4], gpreg[5]);
+    fprintf(stderr, "doubles are %f %f %f %f %f %f\n", fpreg[0], fpreg[1], fpreg[2], fpreg[3], fpreg[4], fpreg[5]);
+#endif
+    typelib_TypeClass aType =
+        cpp_mediate( nOffsetAndIndex, (void**)gpreg, (void**)fpreg, (void**)sp,
+            (sal_Int64*)nRegReturn );
+#if OSL_DEBUG_LEVEL > 2
+    fprintf(stderr, "after mediate ret is %lx %ld\n", nRegReturn[0], nRegReturn[0]);
+#endif
+
+    switch( aType )
+    {
+        case typelib_TypeClass_BOOLEAN:
+        case typelib_TypeClass_BYTE:
+            nRegReturn[0] = (unsigned long)(*(unsigned char *)nRegReturn);
+            break;
+        case typelib_TypeClass_CHAR:
+        case typelib_TypeClass_UNSIGNED_SHORT:
+        case typelib_TypeClass_SHORT:
+            nRegReturn[0] = (unsigned long)(*(unsigned short *)nRegReturn);
+            break;
+        case typelib_TypeClass_ENUM:
+        case typelib_TypeClass_UNSIGNED_LONG:
+        case typelib_TypeClass_LONG:
+            nRegReturn[0] = (unsigned long)(*(unsigned int *)nRegReturn);
+            break;
+        case typelib_TypeClass_VOID:
+        default:
+            break;
+        case typelib_TypeClass_FLOAT:
+            {
+                double tmp = (double) (*((float *)nRegReturn));
+                (*((double *) nRegReturn)) = tmp;
+            }
+            //deliberate fall through
+        case typelib_TypeClass_DOUBLE:
+            __asm__ ( "ldt $f0,%0\n\t"
+                : : "m" (*((double*)nRegReturn)) : "$f0");
+            break;
+    }
+    return nRegReturn[0];
+}
+
+const int codeSnippetSize = 32;
+
+unsigned char *codeSnippet( unsigned char * code, sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset, bool simple_ret_type )
+{
+    if (! simple_ret_type)
+        nFunctionIndex |= 0x80000000;
+
+    unsigned char * p = code;
+    *(unsigned int*)&p[0]  = 0x47fb0401;        /* mov $27,$1           */
+    *(unsigned int*)&p[4]  = 0xa43b0010;        /* ldq $1,16($27)      */
+    *(unsigned int*)&p[8]  = 0xa77b0018;        /* ldq $27,24($27)      */
+    *(unsigned int*)&p[12] = 0x6bfb0000;        /* jmp $31,($27),0      */
+    *(unsigned int*)&p[16] = nFunctionIndex;
+    *(unsigned int*)&p[20] = nVtableOffset;
+    *(unsigned long*)&p[24] = (unsigned long)cpp_vtable_call;
+    return (code + codeSnippetSize);
+}
+}
+
+void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const *, unsigned char const *)
+{
+    //http://www.gnu.org/software/lightning/manual/html_node/Standard-functions.html
+    __asm__ __volatile__("call_pal 0x86");
+}
+
+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 = 0;
+    slots[-1].fn = 0;
+    return slots + slotCount;
+}
+
+unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
+    Slot ** slots, unsigned char * code, sal_PtrDiff writetoexecdiff,
+    typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
+    sal_Int32 functionCount, sal_Int32 vtableOffset)
+{
+    (*slots) -= functionCount;
+    Slot * s = *slots;
+#if OSL_DEBUG_LEVEL > 2
+    fprintf(stderr, "in addLocalFunctions functionOffset is %x\n",functionOffset);
+    fprintf(stderr, "in addLocalFunctions vtableOffset is %x\n",vtableOffset);
+#endif
+
+    for (sal_Int32 i = 0; i < type->nMembers; ++i) {
+        typelib_TypeDescription * member = 0;
+        TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
+        assert(member != 0);
+        switch (member->eTypeClass) {
+        case typelib_TypeClass_INTERFACE_ATTRIBUTE:
+            // Getter:
+            (s++)->fn = code + writetoexecdiff;
+            code = codeSnippet(
+                code, functionOffset++, vtableOffset,
+                bridges::cpp_uno::shared::isSimpleType(
+                    reinterpret_cast<
+                    typelib_InterfaceAttributeTypeDescription * >(
+                        member)->pAttributeTypeRef));
+
+            // Setter:
+            if (!reinterpret_cast<
+                typelib_InterfaceAttributeTypeDescription * >(
+                    member)->bReadOnly)
+            {
+                (s++)->fn = code + writetoexecdiff;
+                code = codeSnippet(code, functionOffset++, vtableOffset, true);
+            }
+            break;
+
+        case typelib_TypeClass_INTERFACE_METHOD:
+            (s++)->fn = code + writetoexecdiff;
+            code = codeSnippet(
+                code, functionOffset++, vtableOffset,
+                bridges::cpp_uno::shared::isSimpleType(
+                    reinterpret_cast<
+                    typelib_InterfaceMethodTypeDescription * >(
+                        member)->pReturnTypeRef));
+            break;
+
+        default:
+            assert(false);
+            break;
+        }
+        TYPELIB_DANGER_RELEASE(member);
+    }
+    return code;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */