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 <com/sun/star/uno/genfunc.hxx>
28cdf0e10cSrcweir #include "com/sun/star/uno/RuntimeException.hpp"
29cdf0e10cSrcweir #include "com/sun/star/uno/Sequence.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 "share.hxx"
39cdf0e10cSrcweir
40cdf0e10cSrcweir #include "boost/static_assert.hpp"
41cdf0e10cSrcweir #include <stdio.h>
42cdf0e10cSrcweir
43cdf0e10cSrcweir using namespace ::com::sun::star::uno;
44cdf0e10cSrcweir
45cdf0e10cSrcweir namespace
46cdf0e10cSrcweir {
47cdf0e10cSrcweir
48cdf0e10cSrcweir //==================================================================================================
cpp2uno_call(bridges::cpp_uno::shared::CppInterfaceProxy * pThis,const typelib_TypeDescription * pMemberTypeDescr,typelib_TypeDescriptionReference * pReturnTypeRef,sal_Int32 nParams,typelib_MethodParameter * pParams,void ** pCallStack,void * pReturnValue)49cdf0e10cSrcweir void cpp2uno_call(
50cdf0e10cSrcweir bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
51cdf0e10cSrcweir const typelib_TypeDescription * pMemberTypeDescr,
52cdf0e10cSrcweir typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
53cdf0e10cSrcweir sal_Int32 nParams, typelib_MethodParameter * pParams,
54cdf0e10cSrcweir void ** pCallStack,
55cdf0e10cSrcweir void * pReturnValue )
56cdf0e10cSrcweir {
57cdf0e10cSrcweir // pCallStack: ret, [return ptr], this, params
58cdf0e10cSrcweir char * pCppStack = (char *)(pCallStack +1);
59cdf0e10cSrcweir
60cdf0e10cSrcweir // return
61cdf0e10cSrcweir typelib_TypeDescription * pReturnTypeDescr = 0;
62cdf0e10cSrcweir if (pReturnTypeRef)
63cdf0e10cSrcweir TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
64cdf0e10cSrcweir
65cdf0e10cSrcweir void * pUnoReturn = 0;
66cdf0e10cSrcweir void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
67cdf0e10cSrcweir
68cdf0e10cSrcweir if (pReturnTypeDescr)
69cdf0e10cSrcweir {
70cdf0e10cSrcweir // xxx todo: test PolyStructy<STRUCT<long>> foo()
71cdf0e10cSrcweir if (CPPU_CURRENT_NAMESPACE::isSimpleReturnType( pReturnTypeDescr ))
72cdf0e10cSrcweir {
73cdf0e10cSrcweir pUnoReturn = pReturnValue; // direct way for simple types
74cdf0e10cSrcweir }
75cdf0e10cSrcweir else // complex return via ptr (pCppReturn)
76cdf0e10cSrcweir {
77cdf0e10cSrcweir pCppReturn = *(void **)pCppStack;
78cdf0e10cSrcweir pCppStack += sizeof(void *);
79cdf0e10cSrcweir pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType(
80cdf0e10cSrcweir pReturnTypeDescr )
81cdf0e10cSrcweir ? alloca( pReturnTypeDescr->nSize )
82cdf0e10cSrcweir : pCppReturn); // direct way
83cdf0e10cSrcweir }
84cdf0e10cSrcweir }
85cdf0e10cSrcweir // pop this
86cdf0e10cSrcweir pCppStack += sizeof( void* );
87cdf0e10cSrcweir
88cdf0e10cSrcweir // stack space
89cdf0e10cSrcweir OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
90cdf0e10cSrcweir // parameters
91cdf0e10cSrcweir void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
92cdf0e10cSrcweir void ** pCppArgs = pUnoArgs + nParams;
93cdf0e10cSrcweir // indizes of values this have to be converted (interface conversion cpp<=>uno)
94cdf0e10cSrcweir sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
95cdf0e10cSrcweir // type descriptions for reconversions
96cdf0e10cSrcweir typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
97cdf0e10cSrcweir
98cdf0e10cSrcweir sal_Int32 nTempIndizes = 0;
99cdf0e10cSrcweir
100cdf0e10cSrcweir for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
101cdf0e10cSrcweir {
102cdf0e10cSrcweir const typelib_MethodParameter & rParam = pParams[nPos];
103cdf0e10cSrcweir typelib_TypeDescription * pParamTypeDescr = 0;
104cdf0e10cSrcweir TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
105cdf0e10cSrcweir
106cdf0e10cSrcweir if (!rParam.bOut
107cdf0e10cSrcweir && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
108cdf0e10cSrcweir // value
109cdf0e10cSrcweir {
110cdf0e10cSrcweir pCppArgs[nPos] = pCppStack;
111cdf0e10cSrcweir pUnoArgs[nPos] = pCppStack;
112cdf0e10cSrcweir switch (pParamTypeDescr->eTypeClass)
113cdf0e10cSrcweir {
114cdf0e10cSrcweir case typelib_TypeClass_HYPER:
115cdf0e10cSrcweir case typelib_TypeClass_UNSIGNED_HYPER:
116cdf0e10cSrcweir case typelib_TypeClass_DOUBLE:
117cdf0e10cSrcweir pCppStack += sizeof(sal_Int32); // extra long
118cdf0e10cSrcweir default:
119cdf0e10cSrcweir break;
120cdf0e10cSrcweir }
121cdf0e10cSrcweir // no longer needed
122cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pParamTypeDescr );
123cdf0e10cSrcweir }
124cdf0e10cSrcweir else // ptr to complex value | ref
125cdf0e10cSrcweir {
126cdf0e10cSrcweir pCppArgs[nPos] = *(void **)pCppStack;
127cdf0e10cSrcweir
128cdf0e10cSrcweir if (! rParam.bIn) // is pure out
129cdf0e10cSrcweir {
130cdf0e10cSrcweir // uno out is unconstructed mem!
131cdf0e10cSrcweir pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
132cdf0e10cSrcweir pTempIndizes[nTempIndizes] = nPos;
133cdf0e10cSrcweir // will be released at reconversion
134cdf0e10cSrcweir ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
135cdf0e10cSrcweir }
136cdf0e10cSrcweir // is in/inout
137cdf0e10cSrcweir else if (bridges::cpp_uno::shared::relatesToInterfaceType(
138cdf0e10cSrcweir pParamTypeDescr ))
139cdf0e10cSrcweir {
140cdf0e10cSrcweir uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
141cdf0e10cSrcweir *(void **)pCppStack, pParamTypeDescr,
142cdf0e10cSrcweir pThis->getBridge()->getCpp2Uno() );
143cdf0e10cSrcweir pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
144cdf0e10cSrcweir // will be released at reconversion
145cdf0e10cSrcweir ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
146cdf0e10cSrcweir }
147cdf0e10cSrcweir else // direct way
148cdf0e10cSrcweir {
149cdf0e10cSrcweir pUnoArgs[nPos] = *(void **)pCppStack;
150cdf0e10cSrcweir // no longer needed
151cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pParamTypeDescr );
152cdf0e10cSrcweir }
153cdf0e10cSrcweir }
154cdf0e10cSrcweir pCppStack += sizeof(sal_Int32); // standard parameter length
155cdf0e10cSrcweir }
156cdf0e10cSrcweir
157cdf0e10cSrcweir // ExceptionHolder
158cdf0e10cSrcweir uno_Any aUnoExc; // Any will be constructed by callee
159cdf0e10cSrcweir uno_Any * pUnoExc = &aUnoExc;
160cdf0e10cSrcweir
161cdf0e10cSrcweir // invoke uno dispatch call
162cdf0e10cSrcweir (*pThis->getUnoI()->pDispatcher)(
163cdf0e10cSrcweir pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
164cdf0e10cSrcweir
165cdf0e10cSrcweir // in case an exception occured...
166cdf0e10cSrcweir if (pUnoExc)
167cdf0e10cSrcweir {
168cdf0e10cSrcweir // destruct temporary in/inout params
169cdf0e10cSrcweir for ( ; nTempIndizes--; )
170cdf0e10cSrcweir {
171cdf0e10cSrcweir sal_Int32 nIndex = pTempIndizes[nTempIndizes];
172cdf0e10cSrcweir
173cdf0e10cSrcweir if (pParams[nIndex].bIn) // is in/inout => was constructed
174cdf0e10cSrcweir uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 );
175cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
176cdf0e10cSrcweir }
177cdf0e10cSrcweir if (pReturnTypeDescr)
178cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
179cdf0e10cSrcweir
180cdf0e10cSrcweir CPPU_CURRENT_NAMESPACE::raiseException(
181cdf0e10cSrcweir &aUnoExc, pThis->getBridge()->getUno2Cpp() );
182cdf0e10cSrcweir // has to destruct the any
183cdf0e10cSrcweir }
184cdf0e10cSrcweir else // else no exception occured...
185cdf0e10cSrcweir {
186cdf0e10cSrcweir // temporary params
187cdf0e10cSrcweir for ( ; nTempIndizes--; )
188cdf0e10cSrcweir {
189cdf0e10cSrcweir sal_Int32 nIndex = pTempIndizes[nTempIndizes];
190cdf0e10cSrcweir typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
191cdf0e10cSrcweir
192cdf0e10cSrcweir if (pParams[nIndex].bOut) // inout/out
193cdf0e10cSrcweir {
194cdf0e10cSrcweir // convert and assign
195cdf0e10cSrcweir uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
196cdf0e10cSrcweir uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
197cdf0e10cSrcweir pThis->getBridge()->getUno2Cpp() );
198cdf0e10cSrcweir }
199cdf0e10cSrcweir // destroy temp uno param
200cdf0e10cSrcweir uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
201cdf0e10cSrcweir
202cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pParamTypeDescr );
203cdf0e10cSrcweir }
204cdf0e10cSrcweir // return
205cdf0e10cSrcweir if (pCppReturn) // has complex return
206cdf0e10cSrcweir {
207cdf0e10cSrcweir if (pUnoReturn != pCppReturn) // needs reconversion
208cdf0e10cSrcweir {
209cdf0e10cSrcweir uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
210cdf0e10cSrcweir pThis->getBridge()->getUno2Cpp() );
211cdf0e10cSrcweir // destroy temp uno return
212cdf0e10cSrcweir uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
213cdf0e10cSrcweir }
214cdf0e10cSrcweir if (pReturnValue != pCppReturn) {
215cdf0e10cSrcweir // complex return ptr is set to eax if return value
216cdf0e10cSrcweir // is not transferred via eax[/edx]:
217cdf0e10cSrcweir *static_cast< void ** >(pReturnValue) = pCppReturn;
218cdf0e10cSrcweir }
219cdf0e10cSrcweir }
220cdf0e10cSrcweir if (pReturnTypeDescr)
221cdf0e10cSrcweir {
222cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
223cdf0e10cSrcweir }
224cdf0e10cSrcweir }
225cdf0e10cSrcweir }
226cdf0e10cSrcweir
227cdf0e10cSrcweir
228cdf0e10cSrcweir //==================================================================================================
cpp_vtable_call(int nFunctionIndex,int nVtableOffset,void ** pCallStack,void * pReturnValue)229cdf0e10cSrcweir extern "C" void cpp_vtable_call(
230cdf0e10cSrcweir int nFunctionIndex, int nVtableOffset, void** pCallStack,
231cdf0e10cSrcweir void * pReturnValue )
232cdf0e10cSrcweir {
233cdf0e10cSrcweir OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );
234cdf0e10cSrcweir
235cdf0e10cSrcweir // pCallStack: ret adr, [ret *], this, params
236cdf0e10cSrcweir void * pThis;
237cdf0e10cSrcweir if( nFunctionIndex & 0x80000000 )
238cdf0e10cSrcweir {
239cdf0e10cSrcweir nFunctionIndex &= 0x7fffffff;
240cdf0e10cSrcweir pThis = pCallStack[2];
241cdf0e10cSrcweir }
242cdf0e10cSrcweir else
243cdf0e10cSrcweir {
244cdf0e10cSrcweir pThis = pCallStack[1];
245cdf0e10cSrcweir }
246cdf0e10cSrcweir pThis = static_cast< char * >(pThis) - nVtableOffset;
247cdf0e10cSrcweir bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
248cdf0e10cSrcweir = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
249cdf0e10cSrcweir pThis);
250cdf0e10cSrcweir #if OSL_DEBUG_LEVEL > 1
251cdf0e10cSrcweir fprintf( stderr, "%p %p %p pThis=%p, pCppI=%p, function index=%d, vtable offset=%d\n", pCallStack[0], pCallStack[1], pCallStack[2], pThis, pCppI, nFunctionIndex, nVtableOffset );
252cdf0e10cSrcweir #endif
253cdf0e10cSrcweir typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
254cdf0e10cSrcweir #if OSL_DEBUG_LEVEL > 1
255cdf0e10cSrcweir fprintf( stderr, "name=%s\n", rtl::OUStringToOString(pTypeDescr->aBase.pTypeName, RTL_TEXTENCODING_UTF8).getStr() );
256cdf0e10cSrcweir #endif
257cdf0e10cSrcweir OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
258cdf0e10cSrcweir if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
259cdf0e10cSrcweir {
260cdf0e10cSrcweir throw RuntimeException(
261cdf0e10cSrcweir rtl::OUString::createFromAscii("illegal vtable index!"),
262cdf0e10cSrcweir (XInterface *)pThis );
263cdf0e10cSrcweir }
264cdf0e10cSrcweir
265cdf0e10cSrcweir // determine called method
266cdf0e10cSrcweir sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
267cdf0e10cSrcweir OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );
268cdf0e10cSrcweir
269cdf0e10cSrcweir TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
270cdf0e10cSrcweir #if OSL_DEBUG_LEVEL > 1
271cdf0e10cSrcweir fprintf(stderr, "calling %s\n", rtl::OUStringToOString(aMemberDescr.get()->pTypeName, RTL_TEXTENCODING_UTF8).getStr());
272cdf0e10cSrcweir #endif
273cdf0e10cSrcweir switch (aMemberDescr.get()->eTypeClass)
274cdf0e10cSrcweir {
275cdf0e10cSrcweir case typelib_TypeClass_INTERFACE_ATTRIBUTE:
276cdf0e10cSrcweir {
277cdf0e10cSrcweir if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
278cdf0e10cSrcweir {
279cdf0e10cSrcweir // is GET method
280cdf0e10cSrcweir cpp2uno_call(
281cdf0e10cSrcweir pCppI, aMemberDescr.get(),
282cdf0e10cSrcweir ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
283cdf0e10cSrcweir 0, 0, // no params
284cdf0e10cSrcweir pCallStack, pReturnValue );
285cdf0e10cSrcweir }
286cdf0e10cSrcweir else
287cdf0e10cSrcweir {
288cdf0e10cSrcweir // is SET method
289cdf0e10cSrcweir typelib_MethodParameter aParam;
290cdf0e10cSrcweir aParam.pTypeRef =
291cdf0e10cSrcweir ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
292cdf0e10cSrcweir aParam.bIn = sal_True;
293cdf0e10cSrcweir aParam.bOut = sal_False;
294cdf0e10cSrcweir
295cdf0e10cSrcweir cpp2uno_call(
296cdf0e10cSrcweir pCppI, aMemberDescr.get(),
297cdf0e10cSrcweir 0, // indicates void return
298cdf0e10cSrcweir 1, &aParam,
299cdf0e10cSrcweir pCallStack, pReturnValue );
300cdf0e10cSrcweir }
301cdf0e10cSrcweir break;
302cdf0e10cSrcweir }
303cdf0e10cSrcweir case typelib_TypeClass_INTERFACE_METHOD:
304cdf0e10cSrcweir {
305cdf0e10cSrcweir // is METHOD
306cdf0e10cSrcweir switch (nFunctionIndex)
307cdf0e10cSrcweir {
308cdf0e10cSrcweir case 1: // acquire()
309cdf0e10cSrcweir pCppI->acquireProxy(); // non virtual call!
310cdf0e10cSrcweir break;
311cdf0e10cSrcweir case 2: // release()
312cdf0e10cSrcweir pCppI->releaseProxy(); // non virtual call!
313cdf0e10cSrcweir break;
314cdf0e10cSrcweir case 0: // queryInterface() opt
315cdf0e10cSrcweir {
316cdf0e10cSrcweir typelib_TypeDescription * pTD = 0;
317cdf0e10cSrcweir TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pCallStack[3] )->getTypeLibType() );
318cdf0e10cSrcweir if (pTD)
319cdf0e10cSrcweir {
320cdf0e10cSrcweir XInterface * pInterface = 0;
321cdf0e10cSrcweir (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
322cdf0e10cSrcweir pCppI->getBridge()->getCppEnv(),
323cdf0e10cSrcweir (void **)&pInterface, pCppI->getOid().pData,
324cdf0e10cSrcweir (typelib_InterfaceTypeDescription *)pTD );
325cdf0e10cSrcweir
326cdf0e10cSrcweir if (pInterface)
327cdf0e10cSrcweir {
328cdf0e10cSrcweir ::uno_any_construct(
329cdf0e10cSrcweir reinterpret_cast< uno_Any * >( pCallStack[1] ),
330cdf0e10cSrcweir &pInterface, pTD, cpp_acquire );
331cdf0e10cSrcweir pInterface->release();
332cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pTD );
333cdf0e10cSrcweir *static_cast< void ** >(pReturnValue) = pCallStack[1];
334cdf0e10cSrcweir break;
335cdf0e10cSrcweir }
336cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pTD );
337cdf0e10cSrcweir }
338cdf0e10cSrcweir } // else perform queryInterface()
339cdf0e10cSrcweir default:
340cdf0e10cSrcweir cpp2uno_call(
341cdf0e10cSrcweir pCppI, aMemberDescr.get(),
342cdf0e10cSrcweir ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
343cdf0e10cSrcweir ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
344cdf0e10cSrcweir ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
345cdf0e10cSrcweir pCallStack, pReturnValue );
346cdf0e10cSrcweir }
347cdf0e10cSrcweir break;
348cdf0e10cSrcweir }
349cdf0e10cSrcweir default:
350cdf0e10cSrcweir {
351cdf0e10cSrcweir throw RuntimeException(
352cdf0e10cSrcweir rtl::OUString::createFromAscii("no member description found!"),
353cdf0e10cSrcweir (XInterface *)pThis );
354cdf0e10cSrcweir }
355cdf0e10cSrcweir }
356cdf0e10cSrcweir }
357cdf0e10cSrcweir
358cdf0e10cSrcweir //==================================================================================================
359cdf0e10cSrcweir extern "C" void privateSnippetExecutorGeneral();
360cdf0e10cSrcweir extern "C" void privateSnippetExecutorVoid();
361cdf0e10cSrcweir extern "C" void privateSnippetExecutorHyper();
362cdf0e10cSrcweir extern "C" void privateSnippetExecutorFloat();
363cdf0e10cSrcweir extern "C" void privateSnippetExecutorDouble();
364cdf0e10cSrcweir extern "C" void privateSnippetExecutorClass();
365cdf0e10cSrcweir extern "C" typedef void (*PrivateSnippetExecutor)();
366cdf0e10cSrcweir
367cdf0e10cSrcweir int const codeSnippetSize = 16;
368cdf0e10cSrcweir
codeSnippet(unsigned char * code,sal_Int32 functionIndex,sal_Int32 vtableOffset,typelib_TypeDescriptionReference * pReturnTypeRef)369cdf0e10cSrcweir unsigned char * codeSnippet(
370cdf0e10cSrcweir unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset,
371cdf0e10cSrcweir typelib_TypeDescriptionReference * pReturnTypeRef)
372cdf0e10cSrcweir {
373cdf0e10cSrcweir PrivateSnippetExecutor exec;
374cdf0e10cSrcweir if (pReturnTypeRef == 0) {
375cdf0e10cSrcweir exec = privateSnippetExecutorVoid;
376cdf0e10cSrcweir }
377cdf0e10cSrcweir else {
378cdf0e10cSrcweir switch (pReturnTypeRef->eTypeClass) {
379cdf0e10cSrcweir case typelib_TypeClass_VOID:
380cdf0e10cSrcweir exec = privateSnippetExecutorVoid;
381cdf0e10cSrcweir break;
382cdf0e10cSrcweir case typelib_TypeClass_HYPER:
383cdf0e10cSrcweir case typelib_TypeClass_UNSIGNED_HYPER:
384cdf0e10cSrcweir exec = privateSnippetExecutorHyper;
385cdf0e10cSrcweir break;
386cdf0e10cSrcweir case typelib_TypeClass_FLOAT:
387cdf0e10cSrcweir exec = privateSnippetExecutorFloat;
388cdf0e10cSrcweir break;
389cdf0e10cSrcweir case typelib_TypeClass_DOUBLE:
390cdf0e10cSrcweir exec = privateSnippetExecutorDouble;
391cdf0e10cSrcweir break;
392cdf0e10cSrcweir case typelib_TypeClass_STRUCT:
393cdf0e10cSrcweir case typelib_TypeClass_EXCEPTION: {
394cdf0e10cSrcweir typelib_TypeDescription * pReturnTypeDescr = 0;
395cdf0e10cSrcweir TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
396cdf0e10cSrcweir bool const bSimpleReturnStruct =
397cdf0e10cSrcweir CPPU_CURRENT_NAMESPACE::isSimpleReturnType(pReturnTypeDescr);
398cdf0e10cSrcweir sal_Int32 const nRetSize = pReturnTypeDescr->nSize;
399cdf0e10cSrcweir TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
400cdf0e10cSrcweir if (bSimpleReturnStruct && nRetSize <= 8) {
401cdf0e10cSrcweir exec = privateSnippetExecutorGeneral; // fills eax
402cdf0e10cSrcweir if (nRetSize > 4)
403cdf0e10cSrcweir exec = privateSnippetExecutorHyper; // fills eax/edx
404cdf0e10cSrcweir break;
405cdf0e10cSrcweir }
406cdf0e10cSrcweir }
407cdf0e10cSrcweir case typelib_TypeClass_STRING:
408cdf0e10cSrcweir case typelib_TypeClass_TYPE:
409cdf0e10cSrcweir case typelib_TypeClass_SEQUENCE:
410cdf0e10cSrcweir case typelib_TypeClass_INTERFACE:
411cdf0e10cSrcweir case typelib_TypeClass_ANY:
412cdf0e10cSrcweir functionIndex |= 0x80000000;
413cdf0e10cSrcweir exec = privateSnippetExecutorClass;
414cdf0e10cSrcweir break;
415cdf0e10cSrcweir default:
416cdf0e10cSrcweir exec = privateSnippetExecutorGeneral;
417cdf0e10cSrcweir break;
418cdf0e10cSrcweir }
419cdf0e10cSrcweir }
420cdf0e10cSrcweir unsigned char * p = code;
421cdf0e10cSrcweir OSL_ASSERT(sizeof (sal_Int32) == 4);
422cdf0e10cSrcweir // mov function_index, %eax:
423cdf0e10cSrcweir *p++ = 0xB8;
424cdf0e10cSrcweir *reinterpret_cast< sal_Int32 * >(p) = functionIndex;
425cdf0e10cSrcweir p += sizeof (sal_Int32);
426cdf0e10cSrcweir // mov vtable_offset, %edx:
427cdf0e10cSrcweir *p++ = 0xBA;
428cdf0e10cSrcweir *reinterpret_cast< sal_Int32 * >(p) = vtableOffset;
429cdf0e10cSrcweir p += sizeof (sal_Int32);
430cdf0e10cSrcweir // jmp privateSnippetExecutor:
431cdf0e10cSrcweir *p++ = 0xE9;
432cdf0e10cSrcweir *reinterpret_cast< sal_Int32 * >(p)
433cdf0e10cSrcweir = ((unsigned char *) exec) - p - sizeof (sal_Int32);
434cdf0e10cSrcweir p += sizeof (sal_Int32);
435cdf0e10cSrcweir OSL_ASSERT(p - code <= codeSnippetSize);
436cdf0e10cSrcweir return code + codeSnippetSize;
437cdf0e10cSrcweir }
438cdf0e10cSrcweir
439cdf0e10cSrcweir }
440cdf0e10cSrcweir
441cdf0e10cSrcweir struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
442cdf0e10cSrcweir
443cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::Slot *
mapBlockToVtable(void * block)444cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
445cdf0e10cSrcweir {
446cdf0e10cSrcweir return static_cast< Slot * >(block) + 2;
447cdf0e10cSrcweir }
448cdf0e10cSrcweir
getBlockSize(sal_Int32 slotCount)449cdf0e10cSrcweir sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
450cdf0e10cSrcweir sal_Int32 slotCount)
451cdf0e10cSrcweir {
452cdf0e10cSrcweir return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
453cdf0e10cSrcweir }
454cdf0e10cSrcweir
455cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::Slot *
initializeBlock(void * block,sal_Int32 slotCount)456cdf0e10cSrcweir bridges::cpp_uno::shared::VtableFactory::initializeBlock(
457cdf0e10cSrcweir void * block, sal_Int32 slotCount)
458cdf0e10cSrcweir {
459cdf0e10cSrcweir Slot * slots = mapBlockToVtable(block);
460cdf0e10cSrcweir slots[-2].fn = 0;
461cdf0e10cSrcweir slots[-1].fn = 0;
462cdf0e10cSrcweir return slots + slotCount;
463cdf0e10cSrcweir }
464cdf0e10cSrcweir
addLocalFunctions(Slot ** slots,unsigned char * code,typelib_InterfaceTypeDescription const * type,sal_Int32 functionOffset,sal_Int32 functionCount,sal_Int32 vtableOffset)465cdf0e10cSrcweir unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
466cdf0e10cSrcweir Slot ** slots, unsigned char * code,
467cdf0e10cSrcweir typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
468cdf0e10cSrcweir sal_Int32 functionCount, sal_Int32 vtableOffset)
469cdf0e10cSrcweir {
470cdf0e10cSrcweir (*slots) -= functionCount;
471cdf0e10cSrcweir Slot * s = *slots;
472cdf0e10cSrcweir for (sal_Int32 i = 0; i < type->nMembers; ++i) {
473cdf0e10cSrcweir typelib_TypeDescription * member = 0;
474cdf0e10cSrcweir TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
475cdf0e10cSrcweir OSL_ASSERT(member != 0);
476cdf0e10cSrcweir switch (member->eTypeClass) {
477cdf0e10cSrcweir case typelib_TypeClass_INTERFACE_ATTRIBUTE:
478cdf0e10cSrcweir // Getter:
479cdf0e10cSrcweir (s++)->fn = code;
480cdf0e10cSrcweir code = codeSnippet(
481cdf0e10cSrcweir code, functionOffset++, vtableOffset,
482cdf0e10cSrcweir reinterpret_cast< typelib_InterfaceAttributeTypeDescription * >(
483cdf0e10cSrcweir member)->pAttributeTypeRef);
484cdf0e10cSrcweir // Setter:
485cdf0e10cSrcweir if (!reinterpret_cast<
486cdf0e10cSrcweir typelib_InterfaceAttributeTypeDescription * >(
487cdf0e10cSrcweir member)->bReadOnly)
488cdf0e10cSrcweir {
489cdf0e10cSrcweir (s++)->fn = code;
490cdf0e10cSrcweir code = codeSnippet(
491cdf0e10cSrcweir code, functionOffset++, vtableOffset,
492cdf0e10cSrcweir 0 /* indicates VOID */);
493cdf0e10cSrcweir }
494cdf0e10cSrcweir break;
495cdf0e10cSrcweir
496cdf0e10cSrcweir case typelib_TypeClass_INTERFACE_METHOD:
497cdf0e10cSrcweir (s++)->fn = code;
498cdf0e10cSrcweir code = codeSnippet(
499cdf0e10cSrcweir code, functionOffset++, vtableOffset,
500cdf0e10cSrcweir reinterpret_cast< typelib_InterfaceMethodTypeDescription * >(
501cdf0e10cSrcweir member)->pReturnTypeRef);
502cdf0e10cSrcweir break;
503cdf0e10cSrcweir
504cdf0e10cSrcweir default:
505cdf0e10cSrcweir OSL_ASSERT(false);
506cdf0e10cSrcweir break;
507cdf0e10cSrcweir }
508cdf0e10cSrcweir TYPELIB_DANGER_RELEASE(member);
509cdf0e10cSrcweir }
510cdf0e10cSrcweir return code;
511cdf0e10cSrcweir }
512cdf0e10cSrcweir
flushCode(unsigned char const *,unsigned char const *)513cdf0e10cSrcweir void bridges::cpp_uno::shared::VtableFactory::flushCode(
514cdf0e10cSrcweir unsigned char const *, unsigned char const *)
515cdf0e10cSrcweir {}
516