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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_bridges.hxx"
30 
31 #include <com/sun/star/uno/genfunc.hxx>
32 #include <uno/data.h>
33 #include <typelib/typedescription.hxx>
34 
35 #include "bridges/cpp_uno/shared/bridge.hxx"
36 #include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx"
37 #include "bridges/cpp_uno/shared/types.hxx"
38 #include "bridges/cpp_uno/shared/vtablefactory.hxx"
39 
40 #include "share.hxx"
41 #include <stdio.h>
42 #include <string.h>
43 
44 using namespace ::com::sun::star::uno;
45 
46 namespace
47 {
48 
49 static typelib_TypeClass cpp2uno_call(
50 	bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
51 	const typelib_TypeDescription * pMemberTypeDescr,
52 	typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
53 	sal_Int32 nParams, typelib_MethodParameter * pParams,
54         void ** gpreg, void ** fpreg, void ** ovrflw,
55 	sal_Int64 * pRegisterReturn /* space for register return */ )
56 {
57         int ng = 0; //number of gpr registers used
58         int nf = 0; //number of fpr regsiters used
59         void ** pCppStack; //temporary stack pointer
60 
61         // gpreg:  [ret *], this, [gpr params]
62         // fpreg:  [fpr params]
63         // ovrflw: [gpr or fpr params (properly aligned)]
64 
65 	// return
66 	typelib_TypeDescription * pReturnTypeDescr = 0;
67 	if (pReturnTypeRef)
68 		TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
69 
70 	void * pUnoReturn = 0;
71 	void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
72 
73 	if (pReturnTypeDescr)
74 	{
75 		if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
76 		{
77 			pUnoReturn = pRegisterReturn; // direct way for simple types
78 		}
79 		else // complex return via ptr (pCppReturn)
80 		{
81 			pCppReturn = *(void **)gpreg;
82                         gpreg++;
83                         ng++;
84 
85 			pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
86 						  ? alloca( pReturnTypeDescr->nSize )
87 						  : pCppReturn); // direct way
88 		}
89 	}
90 	// pop this
91         gpreg++;
92         ng++;
93 
94 	// stack space
95 	OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
96 	// parameters
97 	void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
98 	void ** pCppArgs = pUnoArgs + nParams;
99 	// indizes of values this have to be converted (interface conversion cpp<=>uno)
100 	sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
101 	// type descriptions for reconversions
102 	typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
103 
104 	sal_Int32 nTempIndizes   = 0;
105 
106 	for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
107 	{
108 		const typelib_MethodParameter & rParam = pParams[nPos];
109 		typelib_TypeDescription * pParamTypeDescr = 0;
110 		TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
111 
112 		if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) // value
113 		{
114 
115 			switch (pParamTypeDescr->eTypeClass)
116 			{
117 
118 			  case typelib_TypeClass_DOUBLE:
119 			   if (nf < 2) {
120 			      pCppArgs[nPos] = fpreg;
121 			      pUnoArgs[nPos] = fpreg;
122 			      nf++;
123 			      fpreg += 2;
124 			   } else {
125 				pCppArgs[nPos] = ovrflw;
126 				pUnoArgs[nPos] = ovrflw;
127 			        ovrflw += 2;
128 			   }
129 			   break;
130 
131 			   case typelib_TypeClass_FLOAT:
132 			    // fpreg are all double values so need to
133 			    // modify fpreg to be a single word float value
134 			    if (nf < 2) {
135 //			       float tmp = (float) (*((double *)fpreg));
136 //			       (*((float *) fpreg)) = tmp;
137 			       pCppArgs[nPos] = fpreg;
138 			       pUnoArgs[nPos] = fpreg;
139 			       nf++;
140 			       fpreg += 2;
141 			    } else {
142                               pCppArgs[nPos] = ovrflw;
143 			      pUnoArgs[nPos] = ovrflw;
144 			      ovrflw += 1;
145                             }
146 			    break;
147 
148 			case typelib_TypeClass_HYPER:
149 			case typelib_TypeClass_UNSIGNED_HYPER:
150 			 if (ng < 4) {
151 			    pCppArgs[nPos] = gpreg;
152 			    pUnoArgs[nPos] = gpreg;
153 			    ng += 2;
154 			    gpreg += 2;
155 			 } else {
156 			    pCppArgs[nPos] = ovrflw;
157 			    pUnoArgs[nPos] = ovrflw;
158 			    ovrflw += 2;
159 			  }
160 			  break;
161 
162 			case typelib_TypeClass_BYTE:
163 			case typelib_TypeClass_BOOLEAN:
164 			 if (ng < 5) {
165 			      pCppArgs[nPos] = (((char *)gpreg) + 3);
166 			      pUnoArgs[nPos] = (((char *)gpreg) + 3);
167 			      ng++;
168 			      gpreg++;
169 			 } else {
170 			      pCppArgs[nPos] = (((char *)ovrflw) + 3);
171 			      pUnoArgs[nPos] = (((char *)ovrflw) + 3);
172 			      ovrflw++;
173 			 }
174 			 break;
175 
176 
177 		       case typelib_TypeClass_CHAR:
178 		       case typelib_TypeClass_SHORT:
179 		       case typelib_TypeClass_UNSIGNED_SHORT:
180 			if (ng < 5) {
181 			      pCppArgs[nPos] = (((char *)gpreg)+ 2);
182 			      pUnoArgs[nPos] = (((char *)gpreg)+ 2);
183 			      ng++;
184 			      gpreg++;
185 			} else {
186 			      pCppArgs[nPos] = (((char *)ovrflw) + 2);
187 			      pUnoArgs[nPos] = (((char *)ovrflw) + 2);
188 			      ovrflw++;
189 			}
190 			break;
191 
192 
193 		      default:
194 			if (ng < 5) {
195 			      pCppArgs[nPos] = gpreg;
196 			      pUnoArgs[nPos] = gpreg;
197 			      ng++;
198 			      gpreg++;
199 			} else {
200 			      pCppArgs[nPos] = ovrflw;
201 			      pUnoArgs[nPos] = ovrflw;
202 			      ovrflw++;
203 			}
204                         break;
205 
206 		        }
207 		        // no longer needed
208 			TYPELIB_DANGER_RELEASE( pParamTypeDescr );
209 		}
210 		else // ptr to complex value | ref
211 		{
212 
213 		        if (ng < 5) {
214 		          pCppArgs[nPos] = *(void **)gpreg;
215 		          pCppStack = gpreg;
216 		          ng++;
217 		          gpreg++;
218 		        } else {
219 		          pCppArgs[nPos] = *(void **)ovrflw;
220 		          pCppStack = ovrflw;
221 		         ovrflw++;
222 		        }
223 
224 			if (! rParam.bIn) // is pure out
225 			{
226 				// uno out is unconstructed mem!
227 				pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
228 				pTempIndizes[nTempIndizes] = nPos;
229 				// will be released at reconversion
230 				ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
231 			}
232 			// is in/inout
233 			else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
234 			{
235 				uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
236 										*(void **)pCppStack, pParamTypeDescr,
237 										pThis->getBridge()->getCpp2Uno() );
238 				pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
239 				// will be released at reconversion
240 				ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
241 			}
242 			else // direct way
243 			{
244 				pUnoArgs[nPos] = *(void **)pCppStack;
245 				// no longer needed
246 				TYPELIB_DANGER_RELEASE( pParamTypeDescr );
247 			}
248 		}
249 	}
250 
251 	// ExceptionHolder
252 	uno_Any aUnoExc; // Any will be constructed by callee
253 	uno_Any * pUnoExc = &aUnoExc;
254 
255 	// invoke uno dispatch call
256 	(*pThis->getUnoI()->pDispatcher)( pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
257 
258 	// in case an exception occured...
259 	if (pUnoExc)
260 	{
261 		// destruct temporary in/inout params
262 		for ( ; nTempIndizes--; )
263 		{
264 			sal_Int32 nIndex = pTempIndizes[nTempIndizes];
265 
266 			if (pParams[nIndex].bIn) // is in/inout => was constructed
267 				uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 );
268 			TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
269 		}
270 		if (pReturnTypeDescr)
271 			TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
272 
273 		CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc, pThis->getBridge()->getUno2Cpp() ); // has to destruct the any
274 		// is here for dummy
275 		return typelib_TypeClass_VOID;
276 	}
277 	else // else no exception occured...
278 	{
279 		// temporary params
280 		for ( ; nTempIndizes--; )
281 		{
282 			sal_Int32 nIndex = pTempIndizes[nTempIndizes];
283 			typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
284 
285 			if (pParams[nIndex].bOut) // inout/out
286 			{
287 				// convert and assign
288 				uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
289 				uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
290 										pThis->getBridge()->getUno2Cpp() );
291 			}
292 			// destroy temp uno param
293 			uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
294 
295 			TYPELIB_DANGER_RELEASE( pParamTypeDescr );
296 		}
297 		// return
298 		if (pCppReturn) // has complex return
299 		{
300 			if (pUnoReturn != pCppReturn) // needs reconversion
301 			{
302 				uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
303 										pThis->getBridge()->getUno2Cpp() );
304 				// destroy temp uno return
305 				uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
306 			}
307 			// complex return ptr is set to return reg
308 			*(void **)pRegisterReturn = pCppReturn;
309 		}
310 		if (pReturnTypeDescr)
311 		{
312 			typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
313 			TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
314 			return eRet;
315 		}
316 		else
317 			return typelib_TypeClass_VOID;
318 	}
319 }
320 
321 
322 //============================================================================
323 static typelib_TypeClass cpp_mediate(
324 	sal_uInt32 nOffsetAndIndex,
325 	void ** gpreg, void ** fpreg, void ** ovrflw,
326 	sal_Int64 * pRegisterReturn /* space for register return */ )
327 {
328 	OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );
329 
330     sal_Int16 nVtableOffset = (nOffsetAndIndex >> 16);
331     sal_Int16 nFunctionIndex = (nOffsetAndIndex & 0xFFFF);
332 
333 	// gpreg:  [ret *], this, [other gpr params]
334 	// fpreg:  [fpr params]
335 	// ovrflw: [gpr or fpr params (properly aligned)]
336 
337 	// _this_ ptr is patched cppu_XInterfaceProxy object
338 	void * pThis;
339 	if( nFunctionIndex & 0x8000 )
340 	{
341 		nFunctionIndex &= 0x7fff;
342 		pThis = gpreg[1];
343 	}
344 	else
345     {
346 		pThis = gpreg[0];
347     }
348 
349     pThis = static_cast< char * >(pThis) - nVtableOffset;
350 
351     bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
352         = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
353             pThis);
354 
355     typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
356 
357 
358 	OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
359 	if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
360 	{
361 		throw RuntimeException(
362             rtl::OUString::createFromAscii("illegal vtable index!"),
363             (XInterface *)pCppI );
364 	}
365 
366 	// determine called method
367 	OSL_ENSURE( nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
368 	sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
369 	OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );
370 
371 	TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
372 
373 	typelib_TypeClass eRet;
374 	switch (aMemberDescr.get()->eTypeClass)
375 	{
376 	case typelib_TypeClass_INTERFACE_ATTRIBUTE:
377 	{
378 		if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
379 		{
380 			// is GET method
381 			eRet = cpp2uno_call(
382 				pCppI, aMemberDescr.get(),
383 				((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
384 				0, 0, // no params
385 				gpreg, fpreg, ovrflw, pRegisterReturn );
386 		}
387 		else
388 		{
389 			// is SET method
390 			typelib_MethodParameter aParam;
391 			aParam.pTypeRef =
392 				((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
393 			aParam.bIn		= sal_True;
394 			aParam.bOut		= sal_False;
395 
396 			eRet = cpp2uno_call(
397 				pCppI, aMemberDescr.get(),
398 				0, // indicates void return
399 				1, &aParam,
400 				gpreg, fpreg, ovrflw, pRegisterReturn );
401 		}
402 		break;
403 	}
404 	case typelib_TypeClass_INTERFACE_METHOD:
405 	{
406 		// is METHOD
407 		switch (nFunctionIndex)
408 		{
409 		case 1: // acquire()
410 			pCppI->acquireProxy(); // non virtual call!
411 			eRet = typelib_TypeClass_VOID;
412 			break;
413 		case 2: // release()
414 			pCppI->releaseProxy(); // non virtual call!
415 			eRet = typelib_TypeClass_VOID;
416 			break;
417 		case 0: // queryInterface() opt
418 		{
419 			typelib_TypeDescription * pTD = 0;
420 			TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( gpreg[2] )->getTypeLibType() );
421 			if (pTD)
422 			{
423                 XInterface * pInterface = 0;
424                 (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
425                     pCppI->getBridge()->getCppEnv(),
426                     (void **)&pInterface, pCppI->getOid().pData,
427 					(typelib_InterfaceTypeDescription *)pTD );
428 
429                 if (pInterface)
430                 {
431                     ::uno_any_construct(
432                         reinterpret_cast< uno_Any * >( gpreg[0] ),
433                         &pInterface, pTD, cpp_acquire );
434                     pInterface->release();
435                     TYPELIB_DANGER_RELEASE( pTD );
436                     *(void **)pRegisterReturn = gpreg[0];
437                     eRet = typelib_TypeClass_ANY;
438                     break;
439                 }
440                 TYPELIB_DANGER_RELEASE( pTD );
441             }
442 		} // else perform queryInterface()
443 		default:
444 			eRet = cpp2uno_call(
445 				pCppI, aMemberDescr.get(),
446 				((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
447 				((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
448 				((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
449 				gpreg, fpreg, ovrflw, pRegisterReturn );
450 		}
451 		break;
452 	}
453 	default:
454 	{
455 		throw RuntimeException(
456             rtl::OUString::createFromAscii("no member description found!"),
457             (XInterface *)pCppI );
458 		// is here for dummy
459 		eRet = typelib_TypeClass_VOID;
460 	}
461 	}
462 
463 	return eRet;
464 }
465 
466 //==================================================================================================
467 /**
468  * is called on incoming vtable calls
469  * (called by asm snippets)
470  */
471 static void privateSnippetExecutor( sal_uInt32 nOffsetAndIndex, void** gpregptr, void** fpregptr, void** ovrflw)
472 {
473 #ifdef CMC_DEBUG
474 	fprintf(stderr, "privateSnippetExecutor\n");
475 #endif
476 
477 
478     sal_Int32     gpreg[8];
479     double        fpreg[8];
480 
481     memcpy( gpreg, gpregptr, 32);
482     memcpy( fpreg, fpregptr, 64);
483 
484 	volatile long nRegReturn[2];
485 
486 	typelib_TypeClass aType =
487 		cpp_mediate( nOffsetAndIndex, (void**)gpreg, (void**)fpreg, ovrflw,
488 		(sal_Int64*)nRegReturn );
489 
490 	switch( aType )
491 	{
492 
493                 // move return value into register space
494                 // (will be loaded by machine code snippet)
495 
496                 case typelib_TypeClass_BOOLEAN:
497 		  {
498                   unsigned long tmp = (unsigned long)(*(unsigned char *)nRegReturn);
499                   __asm__ volatile ( "l 2,%0\n\t" : :
500 			   "m"(tmp) : "2" );
501                   break;
502 		  }
503                 case typelib_TypeClass_BYTE:
504 		  {
505                   long tmp = (long)(*(signed char *)nRegReturn);
506                   __asm__ volatile ( "l 2,%0\n\t" : :
507 			   "m"(tmp) : "2" );
508                   break;
509 		  }
510                 case typelib_TypeClass_CHAR:
511                 case typelib_TypeClass_UNSIGNED_SHORT:
512 		  {
513                   unsigned long tmp = (unsigned long)(*(unsigned short *)nRegReturn);
514                   __asm__ volatile ( "l 2,%0\n\t" : :
515 			   "m"(tmp) : "2" );
516                   break;
517 		  }
518                 case typelib_TypeClass_SHORT:
519 		  {
520                   long tmp = (long)(*(short *)nRegReturn);
521                   __asm__ volatile ( "l 2,%0\n\t" : :
522 			   "m"(tmp) : "2" );
523                   break;
524 		  }
525 		case typelib_TypeClass_FLOAT:
526                   __asm__ volatile ( "le 0,%0\n\t" : :
527                            "m" (*((float*)nRegReturn)) : "16" );
528 		  break;
529 
530 		case typelib_TypeClass_DOUBLE:
531 		  __asm__ volatile ( "ld 0,%0\n\t" : :
532                            "m" (*((double*)nRegReturn)) : "16" );
533 		  break;
534 
535 		case typelib_TypeClass_HYPER:
536 		case typelib_TypeClass_UNSIGNED_HYPER:
537 		  __asm__ volatile ( "lm 2,3,%0\n\t" : :
538                            "m"(nRegReturn[0]) : "2", "3" );
539 		  break;
540 
541 		default:
542 		  __asm__ volatile ( "l 2,%0\n\t" : :
543                            "m"(nRegReturn[0]) : "2" );
544 		  break;
545 	}
546 }
547 
548 const int codeSnippetSize = 50;
549 
550 unsigned char* codeSnippet( unsigned char * code, sal_Int16 nFunctionIndex, sal_Int16 nVtableOffset, bool simple_ret_type )
551 {
552     sal_uInt32 nOffsetAndIndex = ( ( nVtableOffset ) << 16 ) | ( nFunctionIndex );
553 
554     if (! simple_ret_type)
555         nOffsetAndIndex |= 0x8000;
556 
557     OSL_ASSERT( sizeof (long) == 4 );
558 
559      /* generate this code */
560      // lr      %r0,%r13
561      // bras    %r13,0x6
562      // .long   privateSnippetExecutor
563      // .long   nOffsetAndIndex
564      // stm     %r2,%r6,8(%r15)
565      // std     %f0,64(%r15)
566      // std     %f2,72(%r15)
567 
568      // l       %r2,4(%r13)
569      // la      %r3,8(%r15)
570      // la      %r4,64(%r15)
571      // la      %r5,96(%r15)
572      // l       %r1,0(%r13)
573      // lr      %r13,%r0
574      // br      %r1
575 
576     unsigned char * p = code;
577     *reinterpret_cast< sal_Int16 * >(p) = 0x180d;
578     p += sizeof(sal_Int16);
579     *reinterpret_cast< sal_Int32 * >(p) = 0xa7d50006;
580     p += sizeof(sal_Int32);
581     *reinterpret_cast< sal_Int32 * >(p) =
582         reinterpret_cast< sal_Int32 >(privateSnippetExecutor);
583     p += sizeof(sal_Int32);
584     *reinterpret_cast< sal_Int32 * >(p) = nOffsetAndIndex;
585     p += sizeof(sal_Int32);
586     *reinterpret_cast< sal_Int32 * >(p) = 0x9026f008;
587     p += sizeof(sal_Int32);
588     *reinterpret_cast< sal_Int32 * >(p) = 0x6000f040;
589     p += sizeof(sal_Int32);
590     *reinterpret_cast< sal_Int32 * >(p) = 0x6020f048;
591     p += sizeof(sal_Int32);
592     *reinterpret_cast< sal_Int32 * >(p) = 0x5820d004;
593     p += sizeof(sal_Int32);
594     *reinterpret_cast< sal_Int32 * >(p) = 0x4130f008;
595     p += sizeof(sal_Int32);
596     *reinterpret_cast< sal_Int32 * >(p) = 0x4140f040;
597     p += sizeof(sal_Int32);
598     *reinterpret_cast< sal_Int32 * >(p) = 0x4150f060;
599     p += sizeof(sal_Int32);
600     *reinterpret_cast< sal_Int32 * >(p) = 0x5810d000;
601     p += sizeof(sal_Int32);
602     *reinterpret_cast< sal_Int16 * >(p) = 0x18d0;
603     p += sizeof(sal_Int16);
604     *reinterpret_cast< sal_Int16 * >(p) = 0x07f1;
605     p += sizeof(sal_Int16);
606 
607     return (code + codeSnippetSize);
608 }
609 }
610 
611 void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const *, unsigned char const *)
612 {
613 }
614 
615 struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
616 
617 bridges::cpp_uno::shared::VtableFactory::Slot *
618 bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
619 {
620     return static_cast< Slot * >(block) + 2;
621 }
622 
623 sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
624     sal_Int32 slotCount)
625 {
626     return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
627 }
628 
629 bridges::cpp_uno::shared::VtableFactory::Slot *
630 bridges::cpp_uno::shared::VtableFactory::initializeBlock(
631     void * block, sal_Int32 slotCount)
632 {
633     Slot * slots = mapBlockToVtable(block);
634     slots[-2].fn = 0;
635     slots[-1].fn = 0;
636     return slots + slotCount;
637 }
638 
639 unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
640     Slot ** slots, unsigned char * code, sal_PtrDiff writetoexecdiff,
641     typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
642     sal_Int32 functionCount, sal_Int32 vtableOffset)
643 {
644      (*slots) -= functionCount;
645      Slot * s = *slots;
646 #ifdef CMC_DEBUG
647     fprintf(stderr, "in addLocalFunctions functionOffset is %x\n",functionOffset);
648     fprintf(stderr, "in addLocalFunctions vtableOffset is %x\n",vtableOffset);
649 #endif
650 
651     for (sal_Int32 i = 0; i < type->nMembers; ++i) {
652         typelib_TypeDescription * member = 0;
653         TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
654         OSL_ASSERT(member != 0);
655         switch (member->eTypeClass) {
656         case typelib_TypeClass_INTERFACE_ATTRIBUTE:
657             // Getter:
658             (s++)->fn = code + writetoexecdiff;
659             code = codeSnippet(
660                 code, functionOffset++, vtableOffset,
661                 bridges::cpp_uno::shared::isSimpleType(
662                     reinterpret_cast<
663                     typelib_InterfaceAttributeTypeDescription * >(
664                         member)->pAttributeTypeRef));
665 
666             // Setter:
667             if (!reinterpret_cast<
668                 typelib_InterfaceAttributeTypeDescription * >(
669                     member)->bReadOnly)
670             {
671                 (s++)->fn = code + writetoexecdiff;
672                 code = codeSnippet(code, functionOffset++, vtableOffset, true);
673             }
674             break;
675 
676         case typelib_TypeClass_INTERFACE_METHOD:
677             (s++)->fn = code + writetoexecdiff;
678             code = codeSnippet(
679                 code, functionOffset++, vtableOffset,
680                 bridges::cpp_uno::shared::isSimpleType(
681                     reinterpret_cast<
682                     typelib_InterfaceMethodTypeDescription * >(
683                         member)->pReturnTypeRef));
684             break;
685 
686         default:
687             OSL_ASSERT(false);
688             break;
689         }
690         TYPELIB_DANGER_RELEASE(member);
691     }
692     return code;
693 }
694 
695 /* vi:set tabstop=4 shiftwidth=4 expandtab: */
696