1*61dff127SAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*61dff127SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
4*61dff127SAndrew Rist * or more contributor license agreements. See the NOTICE file
5*61dff127SAndrew Rist * distributed with this work for additional information
6*61dff127SAndrew Rist * regarding copyright ownership. The ASF licenses this file
7*61dff127SAndrew Rist * to you under the Apache License, Version 2.0 (the
8*61dff127SAndrew Rist * "License"); you may not use this file except in compliance
9*61dff127SAndrew Rist * with the License. You may obtain a copy of the License at
10*61dff127SAndrew Rist *
11*61dff127SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12*61dff127SAndrew Rist *
13*61dff127SAndrew Rist * Unless required by applicable law or agreed to in writing,
14*61dff127SAndrew Rist * software distributed under the License is distributed on an
15*61dff127SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*61dff127SAndrew Rist * KIND, either express or implied. See the License for the
17*61dff127SAndrew Rist * specific language governing permissions and limitations
18*61dff127SAndrew Rist * under the License.
19*61dff127SAndrew Rist *
20*61dff127SAndrew Rist *************************************************************/
21*61dff127SAndrew Rist
22*61dff127SAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_bridges.hxx"
26cdf0e10cSrcweir
27cdf0e10cSrcweir #include <sal/alloca.h>
28cdf0e10cSrcweir
29cdf0e10cSrcweir #include <com/sun/star/uno/genfunc.hxx>
30cdf0e10cSrcweir #include "com/sun/star/uno/RuntimeException.hpp"
31cdf0e10cSrcweir #include <uno/data.h>
32cdf0e10cSrcweir #include <typelib/typedescription.hxx>
33cdf0e10cSrcweir
34cdf0e10cSrcweir #include "bridges/cpp_uno/shared/bridge.hxx"
35cdf0e10cSrcweir #include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx"
36cdf0e10cSrcweir #include "bridges/cpp_uno/shared/types.hxx"
37cdf0e10cSrcweir #include "bridges/cpp_uno/shared/vtablefactory.hxx"
38cdf0e10cSrcweir
39cdf0e10cSrcweir #include "share.hxx"
40cdf0e10cSrcweir
41cdf0e10cSrcweir using namespace ::com::sun::star::uno;
42cdf0e10cSrcweir
43cdf0e10cSrcweir namespace
44cdf0e10cSrcweir {
45cdf0e10cSrcweir
46cdf0e10cSrcweir //==================================================================================================
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)47cdf0e10cSrcweir static typelib_TypeClass cpp2uno_call(
48cdf0e10cSrcweir bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
49cdf0e10cSrcweir const typelib_TypeDescription * pMemberTypeDescr,
50cdf0e10cSrcweir typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
51cdf0e10cSrcweir sal_Int32 nParams, typelib_MethodParameter * pParams,
52cdf0e10cSrcweir void ** pCallStack,
53cdf0e10cSrcweir sal_Int64 * pRegisterReturn /* space for register return */ )
54cdf0e10cSrcweir {
55cdf0e10cSrcweir // pCallStack: ret, [return ptr], this, params
56cdf0e10cSrcweir char * pCppStack = (char *)(pCallStack +1);
57cdf0e10cSrcweir
58cdf0e10cSrcweir // return
59cdf0e10cSrcweir typelib_TypeDescription * pReturnTypeDescr = 0;
60cdf0e10cSrcweir if (pReturnTypeRef)
61cdf0e10cSrcweir TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
62cdf0e10cSrcweir
63cdf0e10cSrcweir void * pUnoReturn = 0;
64cdf0e10cSrcweir void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
65cdf0e10cSrcweir
66cdf0e10cSrcweir if (pReturnTypeDescr)
67cdf0e10cSrcweir {
68cdf0e10cSrcweir if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
69cdf0e10cSrcweir {
70cdf0e10cSrcweir pUnoReturn = pRegisterReturn; // direct way for simple types
71cdf0e10cSrcweir }
72cdf0e10cSrcweir else // complex return via ptr (pCppReturn)
73cdf0e10cSrcweir {
74cdf0e10cSrcweir pCppReturn = *(void **)pCppStack;
75cdf0e10cSrcweir pCppStack += sizeof(void *);
76cdf0e10cSrcweir
77cdf0e10cSrcweir pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType(
78cdf0e10cSrcweir pReturnTypeDescr )
79cdf0e10cSrcweir ? alloca( pReturnTypeDescr->nSize )
80cdf0e10cSrcweir : pCppReturn); // direct way
81cdf0e10cSrcweir }
82cdf0e10cSrcweir }
83cdf0e10cSrcweir // pop this
84cdf0e10cSrcweir pCppStack += sizeof( void* );
85cdf0e10cSrcweir
86cdf0e10cSrcweir // stack space
87cdf0e10cSrcweir OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
88cdf0e10cSrcweir // parameters
89cdf0e10cSrcweir void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
90cdf0e10cSrcweir void ** pCppArgs = pUnoArgs + nParams;
91cdf0e10cSrcweir // indizes of values this have to be converted (interface conversion cpp<=>uno)
92cdf0e10cSrcweir sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
93cdf0e10cSrcweir // type descriptions for reconversions
94cdf0e10cSrcweir typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
95cdf0e10cSrcweir
96cdf0e10cSrcweir sal_Int32 nTempIndizes = 0;
97cdf0e10cSrcweir
98cdf0e10cSrcweir for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
99cdf0e10cSrcweir {
100cdf0e10cSrcweir const typelib_MethodParameter & rParam = pParams[nPos];
101cdf0e10cSrcweir typelib_TypeDescription * pParamTypeDescr = 0;
102cdf0e10cSrcweir TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
103cdf0e10cSrcweir
104cdf0e10cSrcweir if (!rParam.bOut
105cdf0e10cSrcweir && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
106cdf0e10cSrcweir // value
107cdf0e10cSrcweir {
108cdf0e10cSrcweir pCppArgs[nPos] = pCppStack;
109cdf0e10cSrcweir pUnoArgs[nPos] = pCppStack;
110cdf0e10cSrcweir switch (pParamTypeDescr->eTypeClass)
111cdf0e10cSrcweir {
112cdf0e10cSrcweir case typelib_TypeClass_HYPER:
113cdf0e10cSrcweir case typelib_TypeClass_UNSIGNED_HYPER:
114cdf0e10cSrcweir case typelib_TypeClass_DOUBLE:
115cdf0e10cSrcweir pCppStack += sizeof(sal_Int32); // extra long
116cdf0e10cSrcweir }
117cdf0e10cSrcweir // no longer needed
118cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pParamTypeDescr );
119cdf0e10cSrcweir }
120cdf0e10cSrcweir else // ptr to complex value | ref
121cdf0e10cSrcweir {
122cdf0e10cSrcweir pCppArgs[nPos] = *(void **)pCppStack;
123cdf0e10cSrcweir
124cdf0e10cSrcweir if (! rParam.bIn) // is pure out
125cdf0e10cSrcweir {
126cdf0e10cSrcweir // uno out is unconstructed mem!
127cdf0e10cSrcweir pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
128cdf0e10cSrcweir pTempIndizes[nTempIndizes] = nPos;
129cdf0e10cSrcweir // will be released at reconversion
130cdf0e10cSrcweir ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
131cdf0e10cSrcweir }
132cdf0e10cSrcweir // is in/inout
133cdf0e10cSrcweir else if (bridges::cpp_uno::shared::relatesToInterfaceType(
134cdf0e10cSrcweir pParamTypeDescr ))
135cdf0e10cSrcweir {
136cdf0e10cSrcweir uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
137cdf0e10cSrcweir *(void **)pCppStack, pParamTypeDescr,
138cdf0e10cSrcweir pThis->getBridge()->getCpp2Uno() );
139cdf0e10cSrcweir pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
140cdf0e10cSrcweir // will be released at reconversion
141cdf0e10cSrcweir ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
142cdf0e10cSrcweir }
143cdf0e10cSrcweir else // direct way
144cdf0e10cSrcweir {
145cdf0e10cSrcweir pUnoArgs[nPos] = *(void **)pCppStack;
146cdf0e10cSrcweir // no longer needed
147cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pParamTypeDescr );
148cdf0e10cSrcweir }
149cdf0e10cSrcweir }
150cdf0e10cSrcweir pCppStack += sizeof(sal_Int32); // standard parameter length
151cdf0e10cSrcweir }
152cdf0e10cSrcweir
153cdf0e10cSrcweir // ExceptionHolder
154cdf0e10cSrcweir uno_Any aUnoExc; // Any will be constructed by callee
155cdf0e10cSrcweir uno_Any * pUnoExc = &aUnoExc;
156cdf0e10cSrcweir
157cdf0e10cSrcweir // invoke uno dispatch call
158cdf0e10cSrcweir (*pThis->getUnoI()->pDispatcher)(
159cdf0e10cSrcweir pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
160cdf0e10cSrcweir
161cdf0e10cSrcweir // in case an exception occured...
162cdf0e10cSrcweir if (pUnoExc)
163cdf0e10cSrcweir {
164cdf0e10cSrcweir // destruct temporary in/inout params
165cdf0e10cSrcweir for ( ; nTempIndizes--; )
166cdf0e10cSrcweir {
167cdf0e10cSrcweir sal_Int32 nIndex = pTempIndizes[nTempIndizes];
168cdf0e10cSrcweir
169cdf0e10cSrcweir if (pParams[nIndex].bIn) // is in/inout => was constructed
170cdf0e10cSrcweir uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 );
171cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
172cdf0e10cSrcweir }
173cdf0e10cSrcweir if (pReturnTypeDescr)
174cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
175cdf0e10cSrcweir
176cdf0e10cSrcweir CPPU_CURRENT_NAMESPACE::raiseException(
177cdf0e10cSrcweir &aUnoExc, pThis->getBridge()->getUno2Cpp() );
178cdf0e10cSrcweir // has to destruct the any
179cdf0e10cSrcweir // is here for dummy
180cdf0e10cSrcweir return typelib_TypeClass_VOID;
181cdf0e10cSrcweir }
182cdf0e10cSrcweir else // else no exception occured...
183cdf0e10cSrcweir {
184cdf0e10cSrcweir // temporary params
185cdf0e10cSrcweir for ( ; nTempIndizes--; )
186cdf0e10cSrcweir {
187cdf0e10cSrcweir sal_Int32 nIndex = pTempIndizes[nTempIndizes];
188cdf0e10cSrcweir typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
189cdf0e10cSrcweir
190cdf0e10cSrcweir if (pParams[nIndex].bOut) // inout/out
191cdf0e10cSrcweir {
192cdf0e10cSrcweir // convert and assign
193cdf0e10cSrcweir uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
194cdf0e10cSrcweir uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
195cdf0e10cSrcweir pThis->getBridge()->getUno2Cpp() );
196cdf0e10cSrcweir }
197cdf0e10cSrcweir // destroy temp uno param
198cdf0e10cSrcweir uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
199cdf0e10cSrcweir
200cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pParamTypeDescr );
201cdf0e10cSrcweir }
202cdf0e10cSrcweir // return
203cdf0e10cSrcweir if (pCppReturn) // has complex return
204cdf0e10cSrcweir {
205cdf0e10cSrcweir if (pUnoReturn != pCppReturn) // needs reconversion
206cdf0e10cSrcweir {
207cdf0e10cSrcweir uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
208cdf0e10cSrcweir pThis->getBridge()->getUno2Cpp() );
209cdf0e10cSrcweir // destroy temp uno return
210cdf0e10cSrcweir uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
211cdf0e10cSrcweir }
212cdf0e10cSrcweir // complex return ptr is set to eax
213cdf0e10cSrcweir *(void **)pRegisterReturn = pCppReturn;
214cdf0e10cSrcweir }
215cdf0e10cSrcweir if (pReturnTypeDescr)
216cdf0e10cSrcweir {
217cdf0e10cSrcweir typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
218cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
219cdf0e10cSrcweir return eRet;
220cdf0e10cSrcweir }
221cdf0e10cSrcweir else
222cdf0e10cSrcweir return typelib_TypeClass_VOID;
223cdf0e10cSrcweir }
224cdf0e10cSrcweir }
225cdf0e10cSrcweir
226cdf0e10cSrcweir
227cdf0e10cSrcweir //==================================================================================================
cpp_mediate(sal_Int32 nFunctionIndex,sal_Int32 nVtableOffset,void ** pCallStack,sal_Int64 * pRegisterReturn)228cdf0e10cSrcweir static typelib_TypeClass cpp_mediate(
229cdf0e10cSrcweir sal_Int32 nFunctionIndex,
230cdf0e10cSrcweir sal_Int32 nVtableOffset,
231cdf0e10cSrcweir void ** pCallStack,
232cdf0e10cSrcweir sal_Int64 * pRegisterReturn /* space for register return */ )
233cdf0e10cSrcweir {
234cdf0e10cSrcweir OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );
235cdf0e10cSrcweir
236cdf0e10cSrcweir // pCallStack: ret adr, [ret *], this, params
237cdf0e10cSrcweir void * pThis;
238cdf0e10cSrcweir if( nFunctionIndex & 0x80000000 )
239cdf0e10cSrcweir {
240cdf0e10cSrcweir nFunctionIndex &= 0x7fffffff;
241cdf0e10cSrcweir pThis = pCallStack[2];
242cdf0e10cSrcweir }
243cdf0e10cSrcweir else
244cdf0e10cSrcweir {
245cdf0e10cSrcweir pThis = pCallStack[1];
246cdf0e10cSrcweir }
247cdf0e10cSrcweir pThis = static_cast< char * >(pThis) - nVtableOffset;
248cdf0e10cSrcweir bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
249cdf0e10cSrcweir = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
250cdf0e10cSrcweir pThis);
251cdf0e10cSrcweir
252cdf0e10cSrcweir typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
253cdf0e10cSrcweir
254cdf0e10cSrcweir OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
255cdf0e10cSrcweir if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
256cdf0e10cSrcweir {
257cdf0e10cSrcweir throw RuntimeException(
258cdf0e10cSrcweir rtl::OUString::createFromAscii("illegal vtable index!"),
259cdf0e10cSrcweir (XInterface *)pThis );
260cdf0e10cSrcweir }
261cdf0e10cSrcweir
262cdf0e10cSrcweir // determine called method
263cdf0e10cSrcweir sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
264cdf0e10cSrcweir OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );
265cdf0e10cSrcweir
266cdf0e10cSrcweir TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
267cdf0e10cSrcweir
268cdf0e10cSrcweir typelib_TypeClass eRet;
269cdf0e10cSrcweir switch (aMemberDescr.get()->eTypeClass)
270cdf0e10cSrcweir {
271cdf0e10cSrcweir case typelib_TypeClass_INTERFACE_ATTRIBUTE:
272cdf0e10cSrcweir {
273cdf0e10cSrcweir if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
274cdf0e10cSrcweir {
275cdf0e10cSrcweir // is GET method
276cdf0e10cSrcweir eRet = cpp2uno_call(
277cdf0e10cSrcweir pCppI, aMemberDescr.get(),
278cdf0e10cSrcweir ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
279cdf0e10cSrcweir 0, 0, // no params
280cdf0e10cSrcweir pCallStack, pRegisterReturn );
281cdf0e10cSrcweir }
282cdf0e10cSrcweir else
283cdf0e10cSrcweir {
284cdf0e10cSrcweir // is SET method
285cdf0e10cSrcweir typelib_MethodParameter aParam;
286cdf0e10cSrcweir aParam.pTypeRef =
287cdf0e10cSrcweir ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
288cdf0e10cSrcweir aParam.bIn = sal_True;
289cdf0e10cSrcweir aParam.bOut = sal_False;
290cdf0e10cSrcweir
291cdf0e10cSrcweir eRet = cpp2uno_call(
292cdf0e10cSrcweir pCppI, aMemberDescr.get(),
293cdf0e10cSrcweir 0, // indicates void return
294cdf0e10cSrcweir 1, &aParam,
295cdf0e10cSrcweir pCallStack, pRegisterReturn );
296cdf0e10cSrcweir }
297cdf0e10cSrcweir break;
298cdf0e10cSrcweir }
299cdf0e10cSrcweir case typelib_TypeClass_INTERFACE_METHOD:
300cdf0e10cSrcweir {
301cdf0e10cSrcweir // is METHOD
302cdf0e10cSrcweir switch (nFunctionIndex)
303cdf0e10cSrcweir {
304cdf0e10cSrcweir case 1: // acquire()
305cdf0e10cSrcweir pCppI->acquireProxy(); // non virtual call!
306cdf0e10cSrcweir eRet = typelib_TypeClass_VOID;
307cdf0e10cSrcweir break;
308cdf0e10cSrcweir case 2: // release()
309cdf0e10cSrcweir pCppI->releaseProxy(); // non virtual call!
310cdf0e10cSrcweir eRet = typelib_TypeClass_VOID;
311cdf0e10cSrcweir break;
312cdf0e10cSrcweir case 0: // queryInterface() opt
313cdf0e10cSrcweir {
314cdf0e10cSrcweir typelib_TypeDescription * pTD = 0;
315cdf0e10cSrcweir TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pCallStack[3] )->getTypeLibType() );
316cdf0e10cSrcweir if (pTD)
317cdf0e10cSrcweir {
318cdf0e10cSrcweir XInterface * pInterface = 0;
319cdf0e10cSrcweir (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
320cdf0e10cSrcweir pCppI->getBridge()->getCppEnv(),
321cdf0e10cSrcweir (void **)&pInterface, pCppI->getOid().pData,
322cdf0e10cSrcweir (typelib_InterfaceTypeDescription *)pTD );
323cdf0e10cSrcweir
324cdf0e10cSrcweir if (pInterface)
325cdf0e10cSrcweir {
326cdf0e10cSrcweir ::uno_any_construct(
327cdf0e10cSrcweir reinterpret_cast< uno_Any * >( pCallStack[1] ),
328cdf0e10cSrcweir &pInterface, pTD, cpp_acquire );
329cdf0e10cSrcweir pInterface->release();
330cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pTD );
331cdf0e10cSrcweir *(void **)pRegisterReturn = pCallStack[1];
332cdf0e10cSrcweir eRet = typelib_TypeClass_ANY;
333cdf0e10cSrcweir break;
334cdf0e10cSrcweir }
335cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pTD );
336cdf0e10cSrcweir }
337cdf0e10cSrcweir } // else perform queryInterface()
338cdf0e10cSrcweir default:
339cdf0e10cSrcweir eRet = cpp2uno_call(
340cdf0e10cSrcweir pCppI, aMemberDescr.get(),
341cdf0e10cSrcweir ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
342cdf0e10cSrcweir ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
343cdf0e10cSrcweir ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
344cdf0e10cSrcweir pCallStack, pRegisterReturn );
345cdf0e10cSrcweir }
346cdf0e10cSrcweir break;
347cdf0e10cSrcweir }
348cdf0e10cSrcweir default:
349cdf0e10cSrcweir {
350cdf0e10cSrcweir throw RuntimeException(
351cdf0e10cSrcweir rtl::OUString::createFromAscii("no member description found!"),
352cdf0e10cSrcweir (XInterface *)pThis );
353cdf0e10cSrcweir // is here for dummy
354cdf0e10cSrcweir eRet = typelib_TypeClass_VOID;
355cdf0e10cSrcweir }
356cdf0e10cSrcweir }
357cdf0e10cSrcweir
358cdf0e10cSrcweir return eRet;
359cdf0e10cSrcweir }
360cdf0e10cSrcweir
361cdf0e10cSrcweir //==================================================================================================
362cdf0e10cSrcweir /**
363cdf0e10cSrcweir * is called on incoming vtable calls
364cdf0e10cSrcweir * (called by asm snippets)
365cdf0e10cSrcweir */
366cdf0e10cSrcweir static void cpp_vtable_call(
367cdf0e10cSrcweir int nFunctionIndex, int nVtableOffset, void** pCallStack )
368cdf0e10cSrcweir __attribute__((regparm(3)));
369cdf0e10cSrcweir
cpp_vtable_call(int nFunctionIndex,int nVtableOffset,void ** pCallStack)370cdf0e10cSrcweir void cpp_vtable_call( int nFunctionIndex, int nVtableOffset, void** pCallStack )
371cdf0e10cSrcweir {
372cdf0e10cSrcweir volatile long nRegReturn[2];
373cdf0e10cSrcweir typelib_TypeClass aType = cpp_mediate(
374cdf0e10cSrcweir nFunctionIndex, nVtableOffset, pCallStack, (sal_Int64*)nRegReturn );
375cdf0e10cSrcweir
376cdf0e10cSrcweir switch( aType )
377cdf0e10cSrcweir {
378cdf0e10cSrcweir case typelib_TypeClass_HYPER:
379cdf0e10cSrcweir case typelib_TypeClass_UNSIGNED_HYPER:
380cdf0e10cSrcweir __asm__( "movl %1, %%edx\n\t"
381cdf0e10cSrcweir "movl %0, %%eax\n"
382cdf0e10cSrcweir : : "m"(nRegReturn[0]), "m"(nRegReturn[1]) );
383cdf0e10cSrcweir break;
384cdf0e10cSrcweir case typelib_TypeClass_FLOAT:
385cdf0e10cSrcweir __asm__( "flds %0\n\t"
386cdf0e10cSrcweir "fstp %%st(0)\n\t"
387cdf0e10cSrcweir "flds %0\n"
388cdf0e10cSrcweir : : "m"(*(float *)nRegReturn) );
389cdf0e10cSrcweir break;
390cdf0e10cSrcweir case typelib_TypeClass_DOUBLE:
391cdf0e10cSrcweir __asm__( "fldl %0\n\t"
392cdf0e10cSrcweir "fstp %%st(0)\n\t"
393cdf0e10cSrcweir "fldl %0\n"
394cdf0e10cSrcweir : : "m"(*(double *)nRegReturn) );
395cdf0e10cSrcweir break;
396cdf0e10cSrcweir // case typelib_TypeClass_UNSIGNED_SHORT:
397cdf0e10cSrcweir // case typelib_TypeClass_SHORT:
398cdf0e10cSrcweir // __asm__( "movswl %0, %%eax\n"
399cdf0e10cSrcweir // : : "m"(nRegReturn) );
400cdf0e10cSrcweir // break;
401cdf0e10cSrcweir default:
402cdf0e10cSrcweir __asm__( "movl %0, %%eax\n"
403cdf0e10cSrcweir : : "m"(nRegReturn[0]) );
404cdf0e10cSrcweir break;
405cdf0e10cSrcweir }
406cdf0e10cSrcweir }
407cdf0e10cSrcweir
408cdf0e10cSrcweir
409cdf0e10cSrcweir //==================================================================================================
410cdf0e10cSrcweir int const codeSnippetSize = 20;
411cdf0e10cSrcweir
codeSnippet(unsigned char * code,sal_Int32 functionIndex,sal_Int32 vtableOffset,bool simpleRetType)412cdf0e10cSrcweir unsigned char * codeSnippet(
413cdf0e10cSrcweir unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset,
414cdf0e10cSrcweir bool simpleRetType)
415cdf0e10cSrcweir {
416cdf0e10cSrcweir if (!simpleRetType) {
417cdf0e10cSrcweir functionIndex |= 0x80000000;
418cdf0e10cSrcweir }
419cdf0e10cSrcweir unsigned char * p = code;
420cdf0e10cSrcweir OSL_ASSERT(sizeof (sal_Int32) == 4);
421cdf0e10cSrcweir // mov function_index, %eax:
422cdf0e10cSrcweir *p++ = 0xB8;
423cdf0e10cSrcweir *reinterpret_cast< sal_Int32 * >(p) = functionIndex;
424cdf0e10cSrcweir p += sizeof (sal_Int32);
425cdf0e10cSrcweir // mov vtable_offset, %edx:
426cdf0e10cSrcweir *p++ = 0xBA;
427cdf0e10cSrcweir *reinterpret_cast< sal_Int32 * >(p) = vtableOffset;
428cdf0e10cSrcweir p += sizeof (sal_Int32);
429cdf0e10cSrcweir // mov %esp, %ecx:
430cdf0e10cSrcweir *p++ = 0x89;
431cdf0e10cSrcweir *p++ = 0xE1;
432cdf0e10cSrcweir // jmp cpp_vtable_call:
433cdf0e10cSrcweir *p++ = 0xE9;
434cdf0e10cSrcweir *reinterpret_cast< sal_Int32 * >(p)
435cdf0e10cSrcweir = ((unsigned char *) cpp_vtable_call) - p - sizeof (sal_Int32);
436cdf0e10cSrcweir p += sizeof (sal_Int32);
437cdf0e10cSrcweir OSL_ASSERT(p - code <= codeSnippetSize);
438cdf0e10cSrcweir return code + codeSnippetSize;
439cdf0e10cSrcweir }
440cdf0e10cSrcweir
441cdf0e10cSrcweir }
442cdf0e10cSrcweir
443cdf0e10cSrcweir struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
444cdf0e10cSrcweir
445cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::Slot *
mapBlockToVtable(void * block)446cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
447cdf0e10cSrcweir {
448cdf0e10cSrcweir return static_cast< Slot * >(block) + 2;
449cdf0e10cSrcweir }
450cdf0e10cSrcweir
getBlockSize(sal_Int32 slotCount)451cdf0e10cSrcweir sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
452cdf0e10cSrcweir sal_Int32 slotCount)
453cdf0e10cSrcweir {
454cdf0e10cSrcweir return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
455cdf0e10cSrcweir }
456cdf0e10cSrcweir
457cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::Slot *
initializeBlock(void * block,sal_Int32 slotCount)458cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::initializeBlock(
459cdf0e10cSrcweir void * block, sal_Int32 slotCount)
460cdf0e10cSrcweir {
461cdf0e10cSrcweir Slot * slots = mapBlockToVtable(block);
462cdf0e10cSrcweir slots[-2].fn = 0;
463cdf0e10cSrcweir slots[-1].fn = 0;
464cdf0e10cSrcweir return slots + slotCount;
465cdf0e10cSrcweir }
466cdf0e10cSrcweir
addLocalFunctions(Slot ** slots,unsigned char * code,typelib_InterfaceTypeDescription const * type,sal_Int32 functionOffset,sal_Int32 functionCount,sal_Int32 vtableOffset)467cdf0e10cSrcweir unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
468cdf0e10cSrcweir Slot ** slots, unsigned char * code,
469cdf0e10cSrcweir typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
470cdf0e10cSrcweir sal_Int32 functionCount, sal_Int32 vtableOffset)
471cdf0e10cSrcweir {
472cdf0e10cSrcweir (*slots) -= functionCount;
473cdf0e10cSrcweir Slot * s = *slots;
474cdf0e10cSrcweir for (sal_Int32 i = 0; i < type->nMembers; ++i) {
475cdf0e10cSrcweir typelib_TypeDescription * member = 0;
476cdf0e10cSrcweir TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
477cdf0e10cSrcweir OSL_ASSERT(member != 0);
478cdf0e10cSrcweir switch (member->eTypeClass) {
479cdf0e10cSrcweir case typelib_TypeClass_INTERFACE_ATTRIBUTE:
480cdf0e10cSrcweir // Getter:
481cdf0e10cSrcweir (s++)->fn = code;
482cdf0e10cSrcweir code = codeSnippet(
483cdf0e10cSrcweir code, functionOffset++, vtableOffset,
484cdf0e10cSrcweir bridges::cpp_uno::shared::isSimpleType(
485cdf0e10cSrcweir reinterpret_cast<
486cdf0e10cSrcweir typelib_InterfaceAttributeTypeDescription * >(
487cdf0e10cSrcweir member)->pAttributeTypeRef));
488cdf0e10cSrcweir // Setter:
489cdf0e10cSrcweir if (!reinterpret_cast<
490cdf0e10cSrcweir typelib_InterfaceAttributeTypeDescription * >(
491cdf0e10cSrcweir member)->bReadOnly)
492cdf0e10cSrcweir {
493cdf0e10cSrcweir (s++)->fn = code;
494cdf0e10cSrcweir code = codeSnippet(code, functionOffset++, vtableOffset, true);
495cdf0e10cSrcweir }
496cdf0e10cSrcweir break;
497cdf0e10cSrcweir
498cdf0e10cSrcweir case typelib_TypeClass_INTERFACE_METHOD:
499cdf0e10cSrcweir (s++)->fn = code;
500cdf0e10cSrcweir code = codeSnippet(
501cdf0e10cSrcweir code, functionOffset++, vtableOffset,
502cdf0e10cSrcweir bridges::cpp_uno::shared::isSimpleType(
503cdf0e10cSrcweir reinterpret_cast<
504cdf0e10cSrcweir typelib_InterfaceMethodTypeDescription * >(
505cdf0e10cSrcweir member)->pReturnTypeRef));
506cdf0e10cSrcweir break;
507cdf0e10cSrcweir
508cdf0e10cSrcweir default:
509cdf0e10cSrcweir OSL_ASSERT(false);
510cdf0e10cSrcweir break;
511cdf0e10cSrcweir }
512cdf0e10cSrcweir TYPELIB_DANGER_RELEASE(member);
513cdf0e10cSrcweir }
514cdf0e10cSrcweir return code;
515cdf0e10cSrcweir }
516cdf0e10cSrcweir
flushCode(unsigned char const *,unsigned char const *)517cdf0e10cSrcweir void bridges::cpp_uno::shared::VtableFactory::flushCode(
518cdf0e10cSrcweir unsigned char const *, unsigned char const *)
519cdf0e10cSrcweir {}
520