161dff127SAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
361dff127SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
461dff127SAndrew Rist * or more contributor license agreements. See the NOTICE file
561dff127SAndrew Rist * distributed with this work for additional information
661dff127SAndrew Rist * regarding copyright ownership. The ASF licenses this file
761dff127SAndrew Rist * to you under the Apache License, Version 2.0 (the
861dff127SAndrew Rist * "License"); you may not use this file except in compliance
961dff127SAndrew Rist * with the License. You may obtain a copy of the License at
1061dff127SAndrew Rist *
1161dff127SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
1261dff127SAndrew Rist *
1361dff127SAndrew Rist * Unless required by applicable law or agreed to in writing,
1461dff127SAndrew Rist * software distributed under the License is distributed on an
1561dff127SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
1661dff127SAndrew Rist * KIND, either express or implied. See the License for the
1761dff127SAndrew Rist * specific language governing permissions and limitations
1861dff127SAndrew Rist * under the License.
1961dff127SAndrew Rist *
2061dff127SAndrew Rist *************************************************************/
2161dff127SAndrew Rist
2261dff127SAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_bridges.hxx"
26cdf0e10cSrcweir
27cdf0e10cSrcweir #include <malloc.h>
28cdf0e10cSrcweir
29cdf0e10cSrcweir #include <com/sun/star/uno/genfunc.hxx>
30cdf0e10cSrcweir #include <uno/data.h>
31cdf0e10cSrcweir #include <typelib/typedescription.hxx>
32cdf0e10cSrcweir
33cdf0e10cSrcweir #include "bridges/cpp_uno/shared/bridge.hxx"
34cdf0e10cSrcweir #include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx"
35cdf0e10cSrcweir #include "bridges/cpp_uno/shared/types.hxx"
36cdf0e10cSrcweir #include "bridges/cpp_uno/shared/vtablefactory.hxx"
37cdf0e10cSrcweir
38cdf0e10cSrcweir #include "msci.hxx"
39cdf0e10cSrcweir
40cdf0e10cSrcweir using namespace ::com::sun::star::uno;
41cdf0e10cSrcweir
42cdf0e10cSrcweir namespace
43cdf0e10cSrcweir {
44cdf0e10cSrcweir
45cdf0e10cSrcweir //==================================================================================================
cpp2uno_call(bridges::cpp_uno::shared::CppInterfaceProxy * pThis,const typelib_TypeDescription * pMemberTypeDescr,typelib_TypeDescriptionReference * pReturnTypeRef,sal_Int32 nParams,typelib_MethodParameter * pParams,void ** pCallStack,sal_Int64 * pRegisterReturn)46cdf0e10cSrcweir static inline typelib_TypeClass cpp2uno_call(
47cdf0e10cSrcweir bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
48cdf0e10cSrcweir const typelib_TypeDescription * pMemberTypeDescr,
49cdf0e10cSrcweir typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
50cdf0e10cSrcweir sal_Int32 nParams, typelib_MethodParameter * pParams,
51cdf0e10cSrcweir void ** pCallStack,
52cdf0e10cSrcweir sal_Int64 * pRegisterReturn /* space for register return */ )
53cdf0e10cSrcweir {
54cdf0e10cSrcweir // pCallStack: ret, this, [complex return ptr], params
55cdf0e10cSrcweir char * pCppStack = (char *)(pCallStack +2);
56cdf0e10cSrcweir
57cdf0e10cSrcweir // return
58cdf0e10cSrcweir typelib_TypeDescription * pReturnTypeDescr = 0;
59cdf0e10cSrcweir if (pReturnTypeRef)
60cdf0e10cSrcweir {
61cdf0e10cSrcweir TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
62cdf0e10cSrcweir }
63cdf0e10cSrcweir
64cdf0e10cSrcweir void * pUnoReturn = 0;
65cdf0e10cSrcweir void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
66cdf0e10cSrcweir
67cdf0e10cSrcweir if (pReturnTypeDescr)
68cdf0e10cSrcweir {
69cdf0e10cSrcweir if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
70cdf0e10cSrcweir {
71cdf0e10cSrcweir pUnoReturn = pRegisterReturn; // direct way for simple types
72cdf0e10cSrcweir }
73cdf0e10cSrcweir else // complex return via ptr (pCppReturn)
74cdf0e10cSrcweir {
75cdf0e10cSrcweir pCppReturn = *(void **)pCppStack;
76cdf0e10cSrcweir pCppStack += sizeof(void *);
77cdf0e10cSrcweir
78cdf0e10cSrcweir pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType(
79cdf0e10cSrcweir pReturnTypeDescr )
80cdf0e10cSrcweir ? alloca( pReturnTypeDescr->nSize )
81cdf0e10cSrcweir : pCppReturn); // direct way
82cdf0e10cSrcweir }
83cdf0e10cSrcweir }
84cdf0e10cSrcweir
85cdf0e10cSrcweir // stack space
86cdf0e10cSrcweir OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
87cdf0e10cSrcweir // parameters
88cdf0e10cSrcweir void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
89cdf0e10cSrcweir void ** pCppArgs = pUnoArgs + nParams;
90cdf0e10cSrcweir // indizes of values this have to be converted (interface conversion cpp<=>uno)
91cdf0e10cSrcweir sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
92cdf0e10cSrcweir // type descriptions for reconversions
93cdf0e10cSrcweir typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
94cdf0e10cSrcweir
95cdf0e10cSrcweir sal_Int32 nTempIndizes = 0;
96cdf0e10cSrcweir
97cdf0e10cSrcweir for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
98cdf0e10cSrcweir {
99cdf0e10cSrcweir const typelib_MethodParameter & rParam = pParams[nPos];
100cdf0e10cSrcweir typelib_TypeDescription * pParamTypeDescr = 0;
101cdf0e10cSrcweir TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
102cdf0e10cSrcweir
103cdf0e10cSrcweir if (!rParam.bOut
104cdf0e10cSrcweir && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
105cdf0e10cSrcweir // value
106cdf0e10cSrcweir {
107cdf0e10cSrcweir pCppArgs[nPos] = pCppStack;
108cdf0e10cSrcweir pUnoArgs[nPos] = pCppStack;
109cdf0e10cSrcweir switch (pParamTypeDescr->eTypeClass)
110cdf0e10cSrcweir {
111cdf0e10cSrcweir case typelib_TypeClass_HYPER:
112cdf0e10cSrcweir case typelib_TypeClass_UNSIGNED_HYPER:
113cdf0e10cSrcweir case typelib_TypeClass_DOUBLE:
114cdf0e10cSrcweir pCppStack += sizeof(sal_Int32); // extra long
115cdf0e10cSrcweir break;
116cdf0e10cSrcweir default:
117cdf0e10cSrcweir break;
118cdf0e10cSrcweir }
119cdf0e10cSrcweir // no longer needed
120cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pParamTypeDescr );
121cdf0e10cSrcweir }
122cdf0e10cSrcweir else // ptr to complex value | ref
123cdf0e10cSrcweir {
124cdf0e10cSrcweir pCppArgs[nPos] = *(void **)pCppStack;
125cdf0e10cSrcweir
126cdf0e10cSrcweir if (! rParam.bIn) // is pure out
127cdf0e10cSrcweir {
128cdf0e10cSrcweir // uno out is unconstructed mem!
129cdf0e10cSrcweir pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
130cdf0e10cSrcweir pTempIndizes[nTempIndizes] = nPos;
131cdf0e10cSrcweir // will be released at reconversion
132cdf0e10cSrcweir ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
133cdf0e10cSrcweir }
134cdf0e10cSrcweir // is in/inout
135cdf0e10cSrcweir else if (bridges::cpp_uno::shared::relatesToInterfaceType(
136cdf0e10cSrcweir pParamTypeDescr ))
137cdf0e10cSrcweir {
138cdf0e10cSrcweir ::uno_copyAndConvertData(
139cdf0e10cSrcweir pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
140cdf0e10cSrcweir *(void **)pCppStack, pParamTypeDescr,
141cdf0e10cSrcweir pThis->getBridge()->getCpp2Uno() );
142cdf0e10cSrcweir pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
143cdf0e10cSrcweir // will be released at reconversion
144cdf0e10cSrcweir ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
145cdf0e10cSrcweir }
146cdf0e10cSrcweir else // direct way
147cdf0e10cSrcweir {
148cdf0e10cSrcweir pUnoArgs[nPos] = *(void **)pCppStack;
149cdf0e10cSrcweir // no longer needed
150cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pParamTypeDescr );
151cdf0e10cSrcweir }
152cdf0e10cSrcweir }
153cdf0e10cSrcweir pCppStack += sizeof(sal_Int32); // standard parameter length
154cdf0e10cSrcweir }
155cdf0e10cSrcweir
156cdf0e10cSrcweir // ExceptionHolder
157cdf0e10cSrcweir uno_Any aUnoExc; // Any will be constructed by callee
158cdf0e10cSrcweir uno_Any * pUnoExc = &aUnoExc;
159cdf0e10cSrcweir
160cdf0e10cSrcweir // invoke uno dispatch call
161cdf0e10cSrcweir (*pThis->getUnoI()->pDispatcher)(
162cdf0e10cSrcweir pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
163cdf0e10cSrcweir
164*07a3d7f1SPedro Giffuni // in case an exception occurred...
165cdf0e10cSrcweir if (pUnoExc)
166cdf0e10cSrcweir {
167cdf0e10cSrcweir // destruct temporary in/inout params
168cdf0e10cSrcweir while (nTempIndizes--)
169cdf0e10cSrcweir {
170cdf0e10cSrcweir sal_Int32 nIndex = pTempIndizes[nTempIndizes];
171cdf0e10cSrcweir
172cdf0e10cSrcweir if (pParams[nIndex].bIn) // is in/inout => was constructed
173cdf0e10cSrcweir {
174cdf0e10cSrcweir ::uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 );
175cdf0e10cSrcweir }
176cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
177cdf0e10cSrcweir }
178cdf0e10cSrcweir if (pReturnTypeDescr)
179cdf0e10cSrcweir {
180cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
181cdf0e10cSrcweir }
182cdf0e10cSrcweir
183cdf0e10cSrcweir CPPU_CURRENT_NAMESPACE::msci_raiseException(
184cdf0e10cSrcweir &aUnoExc, pThis->getBridge()->getUno2Cpp() );
185cdf0e10cSrcweir // has to destruct the any
186cdf0e10cSrcweir // is here for dummy
187cdf0e10cSrcweir return typelib_TypeClass_VOID;
188cdf0e10cSrcweir }
189*07a3d7f1SPedro Giffuni else // else no exception occurred...
190cdf0e10cSrcweir {
191cdf0e10cSrcweir // temporary params
192cdf0e10cSrcweir while (nTempIndizes--)
193cdf0e10cSrcweir {
194cdf0e10cSrcweir sal_Int32 nIndex = pTempIndizes[nTempIndizes];
195cdf0e10cSrcweir typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
196cdf0e10cSrcweir
197cdf0e10cSrcweir if (pParams[nIndex].bOut) // inout/out
198cdf0e10cSrcweir {
199cdf0e10cSrcweir // convert and assign
200cdf0e10cSrcweir ::uno_destructData(
201cdf0e10cSrcweir pCppArgs[nIndex], pParamTypeDescr, cpp_release );
202cdf0e10cSrcweir ::uno_copyAndConvertData(
203cdf0e10cSrcweir pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
204cdf0e10cSrcweir pThis->getBridge()->getUno2Cpp() );
205cdf0e10cSrcweir }
206cdf0e10cSrcweir // destroy temp uno param
207cdf0e10cSrcweir ::uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
208cdf0e10cSrcweir
209cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pParamTypeDescr );
210cdf0e10cSrcweir }
211cdf0e10cSrcweir // return
212cdf0e10cSrcweir if (pCppReturn) // has complex return
213cdf0e10cSrcweir {
214cdf0e10cSrcweir if (pUnoReturn != pCppReturn) // needs reconversion
215cdf0e10cSrcweir {
216cdf0e10cSrcweir ::uno_copyAndConvertData(
217cdf0e10cSrcweir pCppReturn, pUnoReturn, pReturnTypeDescr,
218cdf0e10cSrcweir pThis->getBridge()->getUno2Cpp() );
219cdf0e10cSrcweir // destroy temp uno return
220cdf0e10cSrcweir ::uno_destructData(
221cdf0e10cSrcweir pUnoReturn, pReturnTypeDescr, 0 );
222cdf0e10cSrcweir }
223cdf0e10cSrcweir // complex return ptr is set to eax
224cdf0e10cSrcweir *(void **)pRegisterReturn = pCppReturn;
225cdf0e10cSrcweir }
226cdf0e10cSrcweir if (pReturnTypeDescr)
227cdf0e10cSrcweir {
228cdf0e10cSrcweir typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
229cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
230cdf0e10cSrcweir return eRet;
231cdf0e10cSrcweir }
232cdf0e10cSrcweir else
233cdf0e10cSrcweir return typelib_TypeClass_VOID;
234cdf0e10cSrcweir }
235cdf0e10cSrcweir }
236cdf0e10cSrcweir
237cdf0e10cSrcweir //==================================================================================================
cpp_mediate(void ** pCallStack,sal_Int32 nFunctionIndex,sal_Int32 nVtableOffset,sal_Int64 * pRegisterReturn)238cdf0e10cSrcweir static typelib_TypeClass __cdecl cpp_mediate(
239cdf0e10cSrcweir void ** pCallStack, sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
240cdf0e10cSrcweir sal_Int64 * pRegisterReturn /* space for register return */ )
241cdf0e10cSrcweir {
242cdf0e10cSrcweir OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );
243cdf0e10cSrcweir
244cdf0e10cSrcweir // pCallStack: ret adr, this, [ret *], params
245cdf0e10cSrcweir void * pThis = static_cast< char * >(pCallStack[1]) - nVtableOffset;
246cdf0e10cSrcweir bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
247cdf0e10cSrcweir = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
248cdf0e10cSrcweir pThis);
249cdf0e10cSrcweir
250cdf0e10cSrcweir typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
251cdf0e10cSrcweir OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex,
252cdf0e10cSrcweir "### illegal vtable index!" );
253cdf0e10cSrcweir if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
254cdf0e10cSrcweir {
255cdf0e10cSrcweir throw RuntimeException( rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("illegal vtable index!") ),
256cdf0e10cSrcweir (XInterface *)pThis );
257cdf0e10cSrcweir }
258cdf0e10cSrcweir
259cdf0e10cSrcweir // determine called method
260cdf0e10cSrcweir sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
261cdf0e10cSrcweir OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );
262cdf0e10cSrcweir
263cdf0e10cSrcweir TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
264cdf0e10cSrcweir
265cdf0e10cSrcweir typelib_TypeClass eRet;
266cdf0e10cSrcweir switch (aMemberDescr.get()->eTypeClass)
267cdf0e10cSrcweir {
268cdf0e10cSrcweir case typelib_TypeClass_INTERFACE_ATTRIBUTE:
269cdf0e10cSrcweir {
270cdf0e10cSrcweir if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
271cdf0e10cSrcweir {
272cdf0e10cSrcweir // is GET method
273cdf0e10cSrcweir eRet = cpp2uno_call(
274cdf0e10cSrcweir pCppI, aMemberDescr.get(),
275cdf0e10cSrcweir ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
276cdf0e10cSrcweir 0, 0, // no params
277cdf0e10cSrcweir pCallStack, pRegisterReturn );
278cdf0e10cSrcweir }
279cdf0e10cSrcweir else
280cdf0e10cSrcweir {
281cdf0e10cSrcweir // is SET method
282cdf0e10cSrcweir typelib_MethodParameter aParam;
283cdf0e10cSrcweir aParam.pTypeRef =
284cdf0e10cSrcweir ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
285cdf0e10cSrcweir aParam.bIn = sal_True;
286cdf0e10cSrcweir aParam.bOut = sal_False;
287cdf0e10cSrcweir
288cdf0e10cSrcweir eRet = cpp2uno_call(
289cdf0e10cSrcweir pCppI, aMemberDescr.get(),
290cdf0e10cSrcweir 0, // indicates void return
291cdf0e10cSrcweir 1, &aParam,
292cdf0e10cSrcweir pCallStack, pRegisterReturn );
293cdf0e10cSrcweir }
294cdf0e10cSrcweir break;
295cdf0e10cSrcweir }
296cdf0e10cSrcweir case typelib_TypeClass_INTERFACE_METHOD:
297cdf0e10cSrcweir {
298cdf0e10cSrcweir // is METHOD
299cdf0e10cSrcweir switch (nFunctionIndex)
300cdf0e10cSrcweir {
301cdf0e10cSrcweir // standard XInterface vtable calls
302cdf0e10cSrcweir case 1: // acquire()
303cdf0e10cSrcweir pCppI->acquireProxy(); // non virtual call!
304cdf0e10cSrcweir eRet = typelib_TypeClass_VOID;
305cdf0e10cSrcweir break;
306cdf0e10cSrcweir case 2: // release()
307cdf0e10cSrcweir pCppI->releaseProxy(); // non virtual call!
308cdf0e10cSrcweir eRet = typelib_TypeClass_VOID;
309cdf0e10cSrcweir break;
310cdf0e10cSrcweir case 0: // queryInterface() opt
311cdf0e10cSrcweir {
312cdf0e10cSrcweir typelib_TypeDescription * pTD = 0;
313cdf0e10cSrcweir TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pCallStack[3] )->getTypeLibType() );
314cdf0e10cSrcweir if (pTD)
315cdf0e10cSrcweir {
316cdf0e10cSrcweir XInterface * pInterface = 0;
317cdf0e10cSrcweir (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
318cdf0e10cSrcweir pCppI->getBridge()->getCppEnv(),
319cdf0e10cSrcweir (void **)&pInterface, pCppI->getOid().pData,
320cdf0e10cSrcweir (typelib_InterfaceTypeDescription *)pTD );
321cdf0e10cSrcweir
322cdf0e10cSrcweir if (pInterface)
323cdf0e10cSrcweir {
324cdf0e10cSrcweir ::uno_any_construct(
325cdf0e10cSrcweir reinterpret_cast< uno_Any * >( pCallStack[2] ),
326cdf0e10cSrcweir &pInterface, pTD, cpp_acquire );
327cdf0e10cSrcweir pInterface->release();
328cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pTD );
329cdf0e10cSrcweir *(void **)pRegisterReturn = pCallStack[2];
330cdf0e10cSrcweir eRet = typelib_TypeClass_ANY;
331cdf0e10cSrcweir break;
332cdf0e10cSrcweir }
333cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pTD );
334cdf0e10cSrcweir }
335cdf0e10cSrcweir } // else perform queryInterface()
336cdf0e10cSrcweir default:
337cdf0e10cSrcweir eRet = cpp2uno_call(
338cdf0e10cSrcweir pCppI, aMemberDescr.get(),
339cdf0e10cSrcweir ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
340cdf0e10cSrcweir ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
341cdf0e10cSrcweir ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
342cdf0e10cSrcweir pCallStack, pRegisterReturn );
343cdf0e10cSrcweir }
344cdf0e10cSrcweir break;
345cdf0e10cSrcweir }
346cdf0e10cSrcweir default:
347cdf0e10cSrcweir {
348cdf0e10cSrcweir throw RuntimeException(
349cdf0e10cSrcweir rtl::OUString( RTL_CONSTASCII_USTRINGPARAM("no member description found!") ),
350cdf0e10cSrcweir (XInterface *)pThis );
351cdf0e10cSrcweir // is here for dummy
352cdf0e10cSrcweir eRet = typelib_TypeClass_VOID;
353cdf0e10cSrcweir }
354cdf0e10cSrcweir }
355cdf0e10cSrcweir
356cdf0e10cSrcweir return eRet;
357cdf0e10cSrcweir }
358cdf0e10cSrcweir
359cdf0e10cSrcweir //==================================================================================================
360cdf0e10cSrcweir /**
361cdf0e10cSrcweir * is called on incoming vtable calls
362cdf0e10cSrcweir * (called by asm snippets)
363cdf0e10cSrcweir */
cpp_vtable_call(void)364cdf0e10cSrcweir static __declspec(naked) void __cdecl cpp_vtable_call(void)
365cdf0e10cSrcweir {
366cdf0e10cSrcweir __asm
367cdf0e10cSrcweir {
368cdf0e10cSrcweir sub esp, 8 // space for immediate return type
369cdf0e10cSrcweir push esp
370cdf0e10cSrcweir push edx // vtable offset
371cdf0e10cSrcweir push eax // function index
372cdf0e10cSrcweir mov eax, esp
373cdf0e10cSrcweir add eax, 20
374cdf0e10cSrcweir push eax // original stack ptr
375cdf0e10cSrcweir
376cdf0e10cSrcweir call cpp_mediate
377cdf0e10cSrcweir add esp, 16
378cdf0e10cSrcweir
379cdf0e10cSrcweir cmp eax, typelib_TypeClass_FLOAT
380cdf0e10cSrcweir je Lfloat
381cdf0e10cSrcweir cmp eax, typelib_TypeClass_DOUBLE
382cdf0e10cSrcweir je Ldouble
383cdf0e10cSrcweir cmp eax, typelib_TypeClass_HYPER
384cdf0e10cSrcweir je Lhyper
385cdf0e10cSrcweir cmp eax, typelib_TypeClass_UNSIGNED_HYPER
386cdf0e10cSrcweir je Lhyper
387cdf0e10cSrcweir // rest is eax
388cdf0e10cSrcweir pop eax
389cdf0e10cSrcweir add esp, 4
390cdf0e10cSrcweir ret
391cdf0e10cSrcweir Lhyper:
392cdf0e10cSrcweir pop eax
393cdf0e10cSrcweir pop edx
394cdf0e10cSrcweir ret
395cdf0e10cSrcweir Lfloat:
396cdf0e10cSrcweir fld dword ptr [esp]
397cdf0e10cSrcweir add esp, 8
398cdf0e10cSrcweir ret
399cdf0e10cSrcweir Ldouble:
400cdf0e10cSrcweir fld qword ptr [esp]
401cdf0e10cSrcweir add esp, 8
402cdf0e10cSrcweir ret
403cdf0e10cSrcweir }
404cdf0e10cSrcweir }
405cdf0e10cSrcweir
406cdf0e10cSrcweir //==================================================================================================
407cdf0e10cSrcweir int const codeSnippetSize = 16;
408cdf0e10cSrcweir
codeSnippet(unsigned char * code,sal_Int32 functionIndex,sal_Int32 vtableOffset)409cdf0e10cSrcweir unsigned char * codeSnippet(
410cdf0e10cSrcweir unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset)
411cdf0e10cSrcweir {
412cdf0e10cSrcweir unsigned char * p = code;
413cdf0e10cSrcweir OSL_ASSERT(sizeof (sal_Int32) == 4);
414cdf0e10cSrcweir // mov eax, functionIndex:
415cdf0e10cSrcweir *p++ = 0xB8;
416cdf0e10cSrcweir *reinterpret_cast< sal_Int32 * >(p) = functionIndex;
417cdf0e10cSrcweir p += sizeof (sal_Int32);
418cdf0e10cSrcweir // mov edx, vtableOffset:
419cdf0e10cSrcweir *p++ = 0xBA;
420cdf0e10cSrcweir *reinterpret_cast< sal_Int32 * >(p) = vtableOffset;
421cdf0e10cSrcweir p += sizeof (sal_Int32);
422cdf0e10cSrcweir // jmp rel32 cpp_vtable_call:
423cdf0e10cSrcweir *p++ = 0xE9;
424cdf0e10cSrcweir *reinterpret_cast< sal_Int32 * >(p)
425cdf0e10cSrcweir = ((unsigned char *) cpp_vtable_call) - p - sizeof (sal_Int32);
426cdf0e10cSrcweir p += sizeof (sal_Int32);
427cdf0e10cSrcweir OSL_ASSERT(p - code <= codeSnippetSize);
428cdf0e10cSrcweir return code + codeSnippetSize;
429cdf0e10cSrcweir }
430cdf0e10cSrcweir
431cdf0e10cSrcweir }
432cdf0e10cSrcweir
433cdf0e10cSrcweir struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
434cdf0e10cSrcweir
435cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::Slot *
mapBlockToVtable(void * block)436cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
437cdf0e10cSrcweir {
438cdf0e10cSrcweir return static_cast< Slot * >(block) + 1;
439cdf0e10cSrcweir }
440cdf0e10cSrcweir
getBlockSize(sal_Int32 slotCount)441cdf0e10cSrcweir sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
442cdf0e10cSrcweir sal_Int32 slotCount)
443cdf0e10cSrcweir {
444cdf0e10cSrcweir return (slotCount + 1) * sizeof (Slot) + slotCount * codeSnippetSize;
445cdf0e10cSrcweir }
446cdf0e10cSrcweir
447cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::Slot *
initializeBlock(void * block,sal_Int32 slotCount)448cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::initializeBlock(
449cdf0e10cSrcweir void * block, sal_Int32 slotCount)
450cdf0e10cSrcweir {
451cdf0e10cSrcweir struct Rtti {
452cdf0e10cSrcweir sal_Int32 n0, n1, n2;
453cdf0e10cSrcweir type_info * rtti;
454cdf0e10cSrcweir Rtti():
455cdf0e10cSrcweir n0(0), n1(0), n2(0),
456cdf0e10cSrcweir rtti(CPPU_CURRENT_NAMESPACE::msci_getRTTI(
457cdf0e10cSrcweir rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
458cdf0e10cSrcweir "com.sun.star.uno.XInterface"))))
459cdf0e10cSrcweir {}
460cdf0e10cSrcweir };
461cdf0e10cSrcweir static Rtti rtti;
462cdf0e10cSrcweir
463cdf0e10cSrcweir Slot * slots = mapBlockToVtable(block);
464cdf0e10cSrcweir slots[-1].fn = &rtti;
465cdf0e10cSrcweir return slots + slotCount;
466cdf0e10cSrcweir }
467cdf0e10cSrcweir
addLocalFunctions(Slot ** slots,unsigned char * code,typelib_InterfaceTypeDescription const *,sal_Int32 functionOffset,sal_Int32 functionCount,sal_Int32 vtableOffset)468cdf0e10cSrcweir unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
469cdf0e10cSrcweir Slot ** slots, unsigned char * code,
470cdf0e10cSrcweir typelib_InterfaceTypeDescription const *, sal_Int32 functionOffset,
471cdf0e10cSrcweir sal_Int32 functionCount, sal_Int32 vtableOffset)
472cdf0e10cSrcweir {
473cdf0e10cSrcweir (*slots) -= functionCount;
474cdf0e10cSrcweir Slot * s = *slots;
475cdf0e10cSrcweir for (sal_Int32 i = 0; i < functionCount; ++i) {
476cdf0e10cSrcweir (s++)->fn = code;
477cdf0e10cSrcweir code = codeSnippet(code, functionOffset++, vtableOffset);
478cdf0e10cSrcweir }
479cdf0e10cSrcweir return code;
480cdf0e10cSrcweir }
481cdf0e10cSrcweir
flushCode(unsigned char const *,unsigned char const *)482cdf0e10cSrcweir void bridges::cpp_uno::shared::VtableFactory::flushCode(
483cdf0e10cSrcweir unsigned char const *, unsigned char const *)
484cdf0e10cSrcweir {}
485