#92951# new gcc3_uno bridge

1 files changed, 457 insertions, 0 deletions

diff --git a/bridges/source/cpp_uno/gcc3_linux_intel/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_linux_intel/uno2cpp.cxx
new file mode 100644
index 000000000000..0c4514c6366c
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_linux_intel/uno2cpp.cxx
@@ -0,0 +1,457 @@
+/*************************************************************************
+ *
+ *  $RCSfile: uno2cpp.cxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: dbo $ $Date: 2001-10-19 13:32:39 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#include <malloc.h>
+#include <rtl/alloc.h>
+
+#include <uno/data.h>
+#include <bridges/cpp_uno/bridge.hxx>
+#include <bridges/cpp_uno/type_misc.hxx>
+
+#include "share.hxx"
+
+
+using namespace ::rtl;
+using namespace ::com::sun::star::uno;
+
+namespace CPPU_CURRENT_NAMESPACE
+{
+
+//==================================================================================================
+static void callVirtualMethod(
+    void * pThis,
+    sal_Int32 nVtableIndex,
+    void * pRegisterReturn,
+    typelib_TypeClass eReturnType,
+    sal_Int32 * pStackLongs,
+    sal_Int32 nStackLongs )
+{
+    // parameter list is mixed list of * and values
+    // reference parameters are pointers
+
+    OSL_ENSURE( pStackLongs && pThis, "### null ptr!" );
+    OSL_ENSURE( (sizeof(void *) == 4) &&
+                 (sizeof(sal_Int32) == 4), "### unexpected size of int!" );
+    OSL_ENSURE( nStackLongs && pStackLongs, "### no stack in callVirtualMethod !" );
+
+    volatile long edx = 0, eax = 0; // for register returns
+    __asm__ (
+        // copy values
+        "pushl %%edx\n\t"
+        "pushl %%ecx\n\t"
+        "pushl %%eax\n\t"
+        "mov  %0, %%eax\n\t"
+        "mov  %%eax, %%edx\n\t"
+        "dec  %%edx\n\t"
+        "shl  $2, %%edx\n\t"
+        "add  %1, %%edx\n"
+        "Lcopy:\n\t"
+        "mov  0(%%edx), %%ecx\n\t"
+        "sub  $4, %%edx\n\t"
+        "push %%ecx\n\t"
+        "dec  %%eax\n\t"
+        "jne  Lcopy\n"
+        "Lcall:\n\t"
+        // do the actual call
+        "mov  %2, %%edx\n\t"
+        "mov  0(%%edx), %%edx\n\t"
+        "mov  %3, %%eax\n\t"
+// gcc3 change
+//          "add  $2, %%eax\n\t" // first two table entries are reserved
+        "shl  $2, %%eax\n\t"
+        "add  %%eax, %%edx\n\t"
+        "mov  0(%%edx), %%edx\n\t"
+        "call *%%edx\n\t"
+        // save return registers
+         "mov  %%eax, %4\n\t"
+         "mov  %%edx, %5\n\t"
+        // cleanup stack
+         "mov  %0, %%eax\n\t"
+         "shl  $2, %%eax\n\t"
+         "add  %%eax, %%esp\n\t"
+        "popl %%eax\n\t"
+        "popl %%ecx\n\t"
+        "popl %%edx\n\t"
+        : : "m"(nStackLongs), "m"(pStackLongs), "m"(pThis), "m"(nVtableIndex), "m"(eax), "m"(edx) );
+    switch( eReturnType )
+    {
+        case typelib_TypeClass_HYPER:
+        case typelib_TypeClass_UNSIGNED_HYPER:
+            ((long*)pRegisterReturn)[1] = edx;
+        case typelib_TypeClass_LONG:
+        case typelib_TypeClass_UNSIGNED_LONG:
+        case typelib_TypeClass_CHAR:
+        case typelib_TypeClass_ENUM:
+            ((long*)pRegisterReturn)[0] = eax;
+            break;
+        case typelib_TypeClass_SHORT:
+        case typelib_TypeClass_UNSIGNED_SHORT:
+            *(unsigned short*)pRegisterReturn = eax;
+            break;
+        case typelib_TypeClass_BOOLEAN:
+        case typelib_TypeClass_BYTE:
+            *(unsigned char*)pRegisterReturn = eax;
+            break;
+        case typelib_TypeClass_FLOAT:
+            __asm__ (
+                "fstps %0\n\t"
+                : : "m"(*(char *)pRegisterReturn) );
+            break;
+        case typelib_TypeClass_DOUBLE:
+            __asm__ (
+                "fstpl %0\n\t"
+                : : "m"(*(char *)pRegisterReturn) );
+            break;
+    }
+}
+
+//==================================================================================================
+static void cpp_call(
+    cppu_unoInterfaceProxy * pThis,
+    sal_Int32 nVtableCall,
+    typelib_TypeDescriptionReference * pReturnTypeRef,
+    sal_Int32 nParams, typelib_MethodParameter * pParams,
+    void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
+{
+      // max space for: [complex ret ptr], values|ptr ...
+      char * pCppStack      =
+          (char *)alloca( sizeof(sal_Int32) + ((nParams+2) * sizeof(sal_Int64)) );
+      char * pCppStackStart = pCppStack;
+
+    // return
+    typelib_TypeDescription * pReturnTypeDescr = 0;
+    TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
+    OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" );
+
+    void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
+
+    if (pReturnTypeDescr)
+    {
+        if (cppu_isSimpleType( pReturnTypeDescr ))
+        {
+            pCppReturn = pUnoReturn; // direct way for simple types
+        }
+        else
+        {
+            // complex return via ptr
+            pCppReturn = *(void **)pCppStack = (cppu_relatesToInterface( pReturnTypeDescr )
+                                                ? alloca( pReturnTypeDescr->nSize )
+                                                : pUnoReturn); // direct way
+            pCppStack += sizeof(void *);
+        }
+    }
+    // push this
+    *(void**)pCppStack = pThis->pCppI;
+    pCppStack += sizeof( void* );
+
+    // stack space
+    OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
+    // args
+    void ** pCppArgs  = (void **)alloca( 3 * sizeof(void *) * nParams );
+    // indizes of values this have to be converted (interface conversion cpp<=>uno)
+    sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams);
+    // type descriptions for reconversions
+    typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
+
+    sal_Int32 nTempIndizes   = 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 (!rParam.bOut && cppu_isSimpleType( pParamTypeDescr ))
+        {
+            uno_copyAndConvertData( pCppArgs[nPos] = pCppStack, pUnoArgs[nPos], pParamTypeDescr,
+                                    &pThis->pBridge->aUno2Cpp );
+
+            switch (pParamTypeDescr->eTypeClass)
+            {
+            case typelib_TypeClass_HYPER:
+            case typelib_TypeClass_UNSIGNED_HYPER:
+            case typelib_TypeClass_DOUBLE:
+                pCppStack += sizeof(sal_Int32); // extra long
+            }
+            // 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(
+                    *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
+                    pParamTypeDescr );
+                pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
+                // will be released at reconversion
+                ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
+            }
+            // is in/inout
+            else if (cppu_relatesToInterface( pParamTypeDescr ))
+            {
+                uno_copyAndConvertData(
+                    *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
+                    pUnoArgs[nPos], pParamTypeDescr, &pThis->pBridge->aUno2Cpp );
+
+                pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
+                // will be released at reconversion
+                ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
+            }
+            else // direct way
+            {
+                *(void **)pCppStack = pCppArgs[nPos] = pUnoArgs[nPos];
+                // no longer needed
+                TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+            }
+        }
+        pCppStack += sizeof(sal_Int32); // standard parameter length
+    }
+
+    try
+    {
+        OSL_ENSURE( !( (pCppStack - pCppStackStart ) & 3), "UNALIGNED STACK !!! (Please DO panic)" );
+        callVirtualMethod(
+            pThis->pCppI, nVtableCall,
+            pCppReturn, pReturnTypeDescr->eTypeClass,
+            (sal_Int32 *)pCppStackStart, (pCppStack - pCppStackStart) / sizeof(sal_Int32) );
+        // NO exception occured...
+        *ppUnoExc = 0;
+
+        // reconvert temporary params
+        for ( ; nTempIndizes--; )
+        {
+            sal_Int32 nIndex = pTempIndizes[nTempIndizes];
+            typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
+
+            if (pParams[nIndex].bIn)
+            {
+                if (pParams[nIndex].bOut) // inout
+                {
+                    uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
+                    uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
+                                            &pThis->pBridge->aCpp2Uno );
+                }
+            }
+            else // pure out
+            {
+                uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
+                                        &pThis->pBridge->aCpp2Uno );
+            }
+            // 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->pBridge->aCpp2Uno );
+            uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
+        }
+    }
+     catch (...)
+     {
+          // fill uno exception
+        fillUnoException( __cxa_get_globals()->caughtExceptions, *ppUnoExc, &pThis->pBridge->aCpp2Uno );
+
+        // temporary params
+        for ( ; nTempIndizes--; )
+        {
+            sal_Int32 nIndex = pTempIndizes[nTempIndizes];
+            // destroy temp cpp param => cpp: every param was constructed
+            uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release );
+            TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
+        }
+        // return type
+        if (pReturnTypeDescr)
+            TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+    }
+}
+
+
+//==================================================================================================
+void SAL_CALL cppu_unoInterfaceProxy_dispatch(
+    uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
+    void * pReturn, void * pArgs[], uno_Any ** ppException ) throw ()
+{
+    // is my surrogate
+    cppu_unoInterfaceProxy * pThis = (cppu_unoInterfaceProxy *)pUnoI;
+    typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
+
+    switch (pMemberDescr->eTypeClass)
+    {
+    case typelib_TypeClass_INTERFACE_ATTRIBUTE:
+    {
+        // determine vtable call index
+        sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
+        OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
+
+        sal_Int32 nVtableCall = pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos];
+        OSL_ENSURE( nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
+
+        if (pReturn)
+        {
+            // dependent dispatch
+            cpp_call(
+                pThis, nVtableCall,
+                ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
+                0, 0, // no params
+                pReturn, pArgs, ppException );
+        }
+        else
+        {
+            // is SET
+            typelib_MethodParameter aParam;
+            aParam.pTypeRef =
+                ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
+            aParam.bIn      = sal_True;
+            aParam.bOut     = sal_False;
+
+            typelib_TypeDescriptionReference * pReturnTypeRef = 0;
+            OUString aVoidName( RTL_CONSTASCII_USTRINGPARAM("void") );
+            typelib_typedescriptionreference_new(
+                &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
+
+            // dependent dispatch
+            cpp_call(
+                pThis, nVtableCall +1, // get, then set method
+                pReturnTypeRef,
+                1, &aParam,
+                pReturn, pArgs, ppException );
+
+            typelib_typedescriptionreference_release( pReturnTypeRef );
+        }
+
+        break;
+    }
+    case typelib_TypeClass_INTERFACE_METHOD:
+    {
+        // determine vtable call index
+        sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
+        OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" );
+
+        sal_Int32 nVtableCall = pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos];
+        OSL_ENSURE( nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
+
+        switch (nVtableCall)
+        {
+            // standard calls
+        case 1: // acquire uno interface
+            (*pUnoI->acquire)( pUnoI );
+            *ppException = 0;
+            break;
+        case 2: // release uno interface
+            (*pUnoI->release)( pUnoI );
+            *ppException = 0;
+            break;
+        case 0: // queryInterface() opt
+        {
+            typelib_TypeDescription * pTD = 0;
+            TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
+            if (pTD)
+            {
+                uno_Interface * pInterface = 0;
+                (*pThis->pBridge->pUnoEnv->getRegisteredInterface)(
+                    pThis->pBridge->pUnoEnv,
+                    (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
+
+                if (pInterface)
+                {
+                    ::uno_any_construct(
+                        reinterpret_cast< uno_Any * >( pReturn ),
+                        &pInterface, pTD, 0 );
+                    (*pInterface->release)( pInterface );
+                    TYPELIB_DANGER_RELEASE( pTD );
+                    *ppException = 0;
+                    break;
+                }
+                TYPELIB_DANGER_RELEASE( pTD );
+            }
+        } // else perform queryInterface()
+        default:
+            // dependent dispatch
+            cpp_call(
+                pThis, nVtableCall,
+                ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
+                ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
+                ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
+                pReturn, pArgs, ppException );
+        }
+        break;
+    }
+    default:
+    {
+        ::com::sun::star::uno::RuntimeException aExc(
+            OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ),
+            ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
+
+        Type const & rExcType = ::getCppuType( &aExc );
+        // binary identical null reference
+        ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
+    }
+    }
+}
+
+}
+