summaryrefslogtreecommitdiff
path: root/bridges/source/cpp_uno/mingw_intel/uno2cpp.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'bridges/source/cpp_uno/mingw_intel/uno2cpp.cxx')
-rw-r--r--bridges/source/cpp_uno/mingw_intel/uno2cpp.cxx503
1 files changed, 503 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/mingw_intel/uno2cpp.cxx b/bridges/source/cpp_uno/mingw_intel/uno2cpp.cxx
new file mode 100644
index 000000000000..cbbe1312c464
--- /dev/null
+++ b/bridges/source/cpp_uno/mingw_intel/uno2cpp.cxx
@@ -0,0 +1,503 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_bridges.hxx"
+
+#include <com/sun/star/uno/genfunc.hxx>
+#include "com/sun/star/uno/RuntimeException.hpp"
+#include <uno/data.h>
+#include <sal/alloca.h>
+
+#include "bridges/cpp_uno/shared/bridge.hxx"
+#include "bridges/cpp_uno/shared/types.hxx"
+#include "bridges/cpp_uno/shared/unointerfaceproxy.hxx"
+#include "bridges/cpp_uno/shared/vtables.hxx"
+
+#include "share.hxx"
+#include "smallstruct.hxx"
+
+using namespace ::rtl;
+using namespace ::com::sun::star::uno;
+
+namespace
+{
+
+//==================================================================================================
+// The call instruction within the asm section of callVirtualMethod may throw
+// exceptions. So that the compiler handles this correctly, it is important
+// that (a) callVirtualMethod might call dummy_can_throw_anything (although this
+// never happens at runtime), which in turn can throw exceptions, and (b)
+// callVirtualMethod is not inlined at its call site (so that any exceptions are
+// caught which are thrown from the instruction calling callVirtualMethod):
+void callVirtualMethod(
+ void * pAdjustedThisPtr,
+ sal_Int32 nVtableIndex,
+ void * pRegisterReturn,
+ typelib_TypeDescription const * returnType,
+ sal_Int32 * pStackLongs,
+ sal_Int32 nStackLongs ) __attribute__((noinline));
+
+void callVirtualMethod(
+ void * pAdjustedThisPtr,
+ sal_Int32 nVtableIndex,
+ void * pRegisterReturn,
+ typelib_TypeDescription const * returnType,
+ sal_Int32 * pStackLongs,
+ sal_Int32 nStackLongs )
+{
+ // parameter list is mixed list of * and values
+ // reference parameters are pointers
+
+ OSL_ENSURE( pStackLongs && pAdjustedThisPtr, "### null ptr!" );
+ OSL_ENSURE( (sizeof(void *) == 4) && (sizeof(sal_Int32) == 4), "### unexpected size of int!" );
+ OSL_ENSURE( nStackLongs && pStackLongs, "### no stack in callVirtualMethod !" );
+
+ // never called
+ if (! pAdjustedThisPtr) CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything("xxx"); // address something
+
+ volatile long edx = 0, eax = 0; // for register returns
+ void * stackptr;
+ asm volatile (
+ "mov %%esp, %6\n\t"
+ // copy values
+ "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"
+ "pushl 0(%%edx)\n\t"
+ "sub $4, %%edx\n\t"
+ "dec %%eax\n\t"
+ "jne Lcopy\n\t"
+ // do the actual call
+ "mov %2, %%edx\n\t"
+ "mov 0(%%edx), %%edx\n\t"
+ "mov %3, %%eax\n\t"
+ "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 %6, %%esp\n\t"
+ :
+ : "m"(nStackLongs), "m"(pStackLongs), "m"(pAdjustedThisPtr),
+ "m"(nVtableIndex), "m"(eax), "m"(edx), "m"(stackptr)
+ : "eax", "edx" );
+ switch( returnType->eTypeClass )
+ {
+ case typelib_TypeClass_VOID:
+ break;
+ 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" : : "m"(*(char *)pRegisterReturn) );
+ break;
+ case typelib_TypeClass_DOUBLE:
+ asm ( "fstpl %0\n\t" : : "m"(*(char *)pRegisterReturn) );
+ break;
+ case typelib_TypeClass_STRUCT:
+ if (bridges::cpp_uno::shared::isSmallStruct(returnType)) {
+ if (returnType->nSize <= 1) {
+ *(unsigned char*)pRegisterReturn = eax;
+ }
+ else if (returnType->nSize <= 2) {
+ *(unsigned short*)pRegisterReturn = eax;
+ }
+ else if (returnType->nSize <= 8) {
+ ((long*)pRegisterReturn)[0] = eax;
+ if (returnType->nSize > 4) {
+ ((long*)pRegisterReturn)[1] = edx;
+ }
+ }
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+//==================================================================================================
+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 )
+{
+ // max space for: [complex ret ptr], values|ptr ...
+ char * pCppStack =
+#ifdef BROKEN_ALLOCA
+ (char *)malloc( sizeof(sal_Int32) + ((nParams+2) * sizeof(sal_Int64)) );
+#else
+ (char *)alloca( sizeof(sal_Int32) + ((nParams+2) * sizeof(sal_Int64)) );
+#endif
+ 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 (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
+ {
+ pCppReturn = pUnoReturn; // direct way for simple types
+ }
+ else
+ {
+ // complex return via ptr
+ pCppReturn
+ = (bridges::cpp_uno::shared::relatesToInterfaceType(
+ pReturnTypeDescr )
+#ifdef BROKEN_ALLOCA
+ ? malloc( pReturnTypeDescr->nSize )
+#else
+ ? alloca( pReturnTypeDescr->nSize )
+#endif
+ : pUnoReturn); // direct way
+ if (!bridges::cpp_uno::shared::isSmallStruct(pReturnTypeDescr)) {
+ *(void **)pCppStack = pCppReturn;
+ pCppStack += sizeof(void *);
+ }
+ }
+ }
+ // push this
+ void * pAdjustedThisPtr = reinterpret_cast< void ** >(pThis->getCppI())
+ + aVtableSlot.offset;
+ *(void**)pCppStack = pAdjustedThisPtr;
+ pCppStack += sizeof( void* );
+
+ // stack space
+ OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
+ // args
+#ifdef BROKEN_ALLOCA
+ void ** pCppArgs = (void **)malloc( 3 * sizeof(void *) * nParams );
+#else
+ void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams );
+#endif
+ // 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
+ && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
+ {
+ uno_copyAndConvertData( pCppArgs[nPos] = pCppStack, pUnoArgs[nPos], pParamTypeDescr,
+ pThis->getBridge()->getUno2Cpp() );
+
+ switch (pParamTypeDescr->eTypeClass)
+ {
+ case typelib_TypeClass_HYPER:
+ case typelib_TypeClass_UNSIGNED_HYPER:
+ case typelib_TypeClass_DOUBLE:
+ pCppStack += sizeof(sal_Int32); // extra long
+ 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(
+#ifdef BROKEN_ALLOCA
+ *(void **)pCppStack = pCppArgs[nPos] = malloc( pParamTypeDescr->nSize ),
+#else
+ *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
+#endif
+ pParamTypeDescr );
+ pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call
+ // will be released at reconversion
+ ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
+ }
+ // is in/inout
+ else if (bridges::cpp_uno::shared::relatesToInterfaceType(
+ pParamTypeDescr ))
+ {
+ uno_copyAndConvertData(
+#ifdef BROKEN_ALLOCA
+ *(void **)pCppStack = pCppArgs[nPos] = malloc( pParamTypeDescr->nSize ),
+#else
+ *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
+#endif
+ pUnoArgs[nPos], pParamTypeDescr,
+ pThis->getBridge()->getUno2Cpp() );
+
+ 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(
+ pAdjustedThisPtr, aVtableSlot.index,
+ pCppReturn, pReturnTypeDescr,
+ (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->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 );
+#ifdef BROKEN_ALLOCA
+ free( pCppArgs[nIndex] );
+#endif
+
+ 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
+ fillUnoException( CPPU_CURRENT_NAMESPACE::__cxa_get_globals()->caughtExceptions, *ppUnoExc, pThis->getBridge()->getCpp2Uno() );
+
+ // 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] );
+#ifdef BROKEN_ALLOCA
+ free( pCppArgs[nIndex] );
+#endif
+ }
+ // return type
+ if (pReturnTypeDescr)
+ TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+ }
+ if (pCppReturn && pUnoReturn != pCppReturn)
+ {
+#ifdef BROKEN_ALLOCA
+ free( pCppReturn );
+#endif
+ }
+#ifdef BROKEN_ALLOCA
+ free( pCppStackStart );
+#endif
+}
+
+}
+
+namespace bridges { namespace cpp_uno { namespace 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);
+
+ switch (pMemberDescr->eTypeClass)
+ {
+ case typelib_TypeClass_INTERFACE_ATTRIBUTE:
+ {
+ VtableSlot aVtableSlot(
+ getVtableSlot(
+ reinterpret_cast<
+ typelib_InterfaceAttributeTypeDescription const * >(
+ pMemberDescr)));
+ if (pReturn)
+ {
+ // dependent dispatch
+ cpp_call(
+ pThis, aVtableSlot,
+ ((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
+ aVtableSlot.index += 1; // get, then set method
+ cpp_call(
+ pThis, aVtableSlot,
+ pReturnTypeRef,
+ 1, &aParam,
+ pReturn, pArgs, ppException );
+
+ typelib_typedescriptionreference_release( pReturnTypeRef );
+ }
+
+ break;
+ }
+ case typelib_TypeClass_INTERFACE_METHOD:
+ {
+ VtableSlot aVtableSlot(
+ getVtableSlot(
+ reinterpret_cast<
+ typelib_InterfaceMethodTypeDescription const * >(
+ pMemberDescr)));
+ switch (aVtableSlot.index)
+ {
+ // 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->getUnoEnv()->getRegisteredInterface)(
+ pThis->pBridge->getUnoEnv(),
+ (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, aVtableSlot,
+ ((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 );
+ }
+ }
+}
+
+} } }
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */