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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 
43 extern "C" { extern void (*privateSnippetExecutor)(); }
44 
45 using namespace ::com::sun::star::uno;
46 
47 namespace
48 {
49 //==================================================================================================
50 static typelib_TypeClass cpp2uno_call(
51 	bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
52 	const typelib_TypeDescription * pMemberTypeDescr,
53 	typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
54 	sal_Int32 nParams, typelib_MethodParameter * pParams, long r8,
55         void ** gpreg, void ** fpreg, void ** ovrflw,
56 	sal_Int64 * pRegisterReturn /* space for register return */ )
57 {
58 #ifdef CMC_DEBUG
59     fprintf(stderr, "as far as cpp2uno_call\n");
60 #endif
61 
62     int ng = 0; //number of gpr registers used
63     int nf = 0; //number of fpr regsiters used
64 
65     // gpreg:  [ret *], this, [gpr params]
66     // fpreg:  [fpr params]
67     // ovrflw: [gpr or fpr params (properly aligned)]
68 
69 	// return
70 	typelib_TypeDescription * pReturnTypeDescr = 0;
71 	if (pReturnTypeRef)
72 		TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
73 
74 	void * pUnoReturn = 0;
75 	void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
76 
77 	if (pReturnTypeDescr)
78 	{
79 		if ( ia64::return_in_hidden_param( pReturnTypeRef ) ) // complex return via ptr passed as hidden parameter reg (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 		else if ( ia64::return_via_r8_buffer( pReturnTypeRef ) ) // complex return via ptr passed in r8
90 		{
91 			pCppReturn = (void *)r8;
92 
93 			pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
94 						  ? alloca( pReturnTypeDescr->nSize )
95 						  : pCppReturn); // direct way
96 		}
97 
98 		else
99 			pUnoReturn = pRegisterReturn; // direct way for simple types
100 	}
101 	// pop this
102     gpreg++;
103     ng++;
104 
105 	// stack space
106 	OSL_ENSURE( sizeof(void *) == sizeof(sal_Int64), "### unexpected size!" );
107 	// parameters
108 	void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
109 	void ** pCppArgs = pUnoArgs + nParams;
110 	// indizes of values this have to be converted (interface conversion cpp<=>uno)
111 	sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
112 	// type descriptions for reconversions
113 	typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
114 
115 	sal_Int32 nTempIndizes = 0;
116 	bool bOverFlowUsed = false;
117 	for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
118 	{
119 		const typelib_MethodParameter & rParam = pParams[nPos];
120 		typelib_TypeDescription * pParamTypeDescr = 0;
121 		TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
122 
123 #ifdef CMC_DEBUG
124 		fprintf(stderr, "arg %d of %d\n", nPos, nParams);
125 #endif
126 
127 		//I think it is impossible to get UNO to pass structs as parameters by copy
128 		if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
129 		{
130 #ifdef CMC_DEBUG
131 			fprintf(stderr, "simple\n");
132 #endif
133 
134 			switch (pParamTypeDescr->eTypeClass)
135 			{
136 				case typelib_TypeClass_FLOAT:
137 					if (nf < ia64::MAX_SSE_REGS && ng < ia64::MAX_GPR_REGS)
138 					{
139                         float tmp = (float) (*((double *)fpreg));
140                         (*((float *) fpreg)) = tmp;
141 						pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++;
142 						nf++;
143                         gpreg++;
144                         ng++;
145 					}
146 					else
147                     {
148 						pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
149                         bOverFlowUsed = true;
150                     }
151                     if (bOverFlowUsed) ovrflw++;
152 					break;
153 				case typelib_TypeClass_DOUBLE:
154 					if (nf < ia64::MAX_SSE_REGS && ng < ia64::MAX_GPR_REGS)
155 					{
156 						pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++;
157 						nf++;
158                         gpreg++;
159                         ng++;
160 					}
161 					else
162                     {
163 						pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
164                         bOverFlowUsed = true;
165                     }
166                     if (bOverFlowUsed) ovrflw++;
167 					break;
168                 case typelib_TypeClass_BYTE:
169                 case typelib_TypeClass_BOOLEAN:
170                 case typelib_TypeClass_CHAR:
171                 case typelib_TypeClass_SHORT:
172                 case typelib_TypeClass_UNSIGNED_SHORT:
173 		        case typelib_TypeClass_ENUM:
174                 case typelib_TypeClass_LONG:
175                 case typelib_TypeClass_UNSIGNED_LONG:
176 				default:
177 					if (ng < ia64::MAX_GPR_REGS)
178 					{
179 						pCppArgs[nPos] = pUnoArgs[nPos] = gpreg++;
180 						ng++;
181 					}
182 					else
183                     {
184 						pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
185                         bOverFlowUsed = true;
186                     }
187                     if (bOverFlowUsed) ovrflw++;
188 					break;
189 		        }
190 
191 		        // no longer needed
192 				TYPELIB_DANGER_RELEASE( pParamTypeDescr );
193 		}
194 		else // ptr to complex value | ref
195 		{
196 #ifdef CMC_DEBUG
197 			fprintf(stderr, "complex, ng is %d\n", ng);
198 #endif
199             void *pCppStack; //temporary stack pointer
200 
201 			if (ng < ia64::MAX_GPR_REGS)
202 			{
203 		        pCppArgs[nPos] = pCppStack = *gpreg++;
204 			    ng++;
205 			}
206 			else
207             {
208 			    pCppArgs[nPos] = pCppStack = *ovrflw;
209                 bOverFlowUsed = true;
210             }
211             if (bOverFlowUsed) ovrflw++;
212 
213 			if (! rParam.bIn) // is pure out
214 			{
215 				// uno out is unconstructed mem!
216 				pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
217 				pTempIndizes[nTempIndizes] = nPos;
218 				// will be released at reconversion
219 				ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
220 			}
221 			// is in/inout
222 			else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
223 			{
224 				uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
225 										pCppStack, pParamTypeDescr,
226 										pThis->getBridge()->getCpp2Uno() );
227 				pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
228 				// will be released at reconversion
229 				ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
230 			}
231 			else // direct way
232 			{
233 				pUnoArgs[nPos] = pCppStack;
234 				// no longer needed
235 				TYPELIB_DANGER_RELEASE( pParamTypeDescr );
236 			}
237 		}
238 	}
239 
240 #ifdef CMC_DEBUG
241 	fprintf(stderr, "end of params\n");
242 #endif
243 
244 	// ExceptionHolder
245 	uno_Any aUnoExc; // Any will be constructed by callee
246 	uno_Any * pUnoExc = &aUnoExc;
247 
248 	// invoke uno dispatch call
249 	(*pThis->getUnoI()->pDispatcher)( pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
250 
251 	// in case an exception occured...
252 	if (pUnoExc)
253 	{
254 		// destruct temporary in/inout params
255 		for ( ; nTempIndizes--; )
256 		{
257 			sal_Int32 nIndex = pTempIndizes[nTempIndizes];
258 
259 			if (pParams[nIndex].bIn) // is in/inout => was constructed
260 				uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 );
261 			TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
262 		}
263 		if (pReturnTypeDescr)
264 			TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
265 
266 		CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc, pThis->getBridge()->getUno2Cpp() );
267                 // has to destruct the any
268 		// is here for dummy
269 		return typelib_TypeClass_VOID;
270 	}
271 	else // else no exception occured...
272 	{
273 		// temporary params
274 		for ( ; nTempIndizes--; )
275 		{
276 			sal_Int32 nIndex = pTempIndizes[nTempIndizes];
277 			typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
278 
279 			if (pParams[nIndex].bOut) // inout/out
280 			{
281 				// convert and assign
282 				uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
283 				uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
284 										pThis->getBridge()->getUno2Cpp() );
285 			}
286 			// destroy temp uno param
287 			uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
288 
289 			TYPELIB_DANGER_RELEASE( pParamTypeDescr );
290 		}
291 		// return
292 		if (pCppReturn) // has complex return
293 		{
294 			if (pUnoReturn != pCppReturn) // needs reconversion
295 			{
296 				uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
297 										pThis->getBridge()->getUno2Cpp() );
298 				// destroy temp uno return
299 				uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
300 			}
301 			// complex return ptr is set to return reg
302 			*(void **)pRegisterReturn = pCppReturn;
303 		}
304 		if (pReturnTypeDescr)
305 		{
306 			typelib_TypeClass eRet = ia64::return_via_r8_buffer(pReturnTypeRef) ? typelib_TypeClass_VOID : (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
307 			TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
308 			return eRet;
309 		}
310 		else
311 			return typelib_TypeClass_VOID;
312 	}
313 }
314 
315 
316 //==================================================================================================
317 static typelib_TypeClass cpp_mediate(
318 	sal_uInt64 nOffsetAndIndex,
319         void ** gpreg, void ** fpreg, long sp, long r8,
320 	sal_Int64 * pRegisterReturn /* space for register return */ )
321 {
322     OSL_ENSURE( sizeof(sal_Int64)==sizeof(void *), "### unexpected!" );
323 
324     sal_Int32 nVtableOffset = (nOffsetAndIndex >> 32);
325     sal_Int32 nFunctionIndex = (nOffsetAndIndex & 0xFFFFFFFF);
326 
327     void ** ovrflw = (void**)(sp);
328 
329     // gpreg:  [ret *], this, [other gpr params]
330     // fpreg:  [fpr params]
331     // ovrflw: [gpr or fpr params (properly aligned)]
332 
333     void * pThis;
334     if (nFunctionIndex & 0x80000000 )
335     {
336 	nFunctionIndex &= 0x7fffffff;
337 	pThis = gpreg[1];
338 #ifdef CMC_DEBUG
339 	fprintf(stderr, "pThis is gpreg[1]\n");
340 #endif
341     }
342     else
343     {
344 	pThis = gpreg[0];
345 #ifdef CMC_DEBUG
346 	fprintf(stderr, "pThis is gpreg[0]\n");
347 #endif
348     }
349 
350 #ifdef CMC_DEBUG
351     fprintf(stderr, "pThis is %p\n", pThis);
352 #endif
353 
354     pThis = static_cast< char * >(pThis) - nVtableOffset;
355 
356 #ifdef CMC_DEBUG
357     fprintf(stderr, "pThis is now %p\n", pThis);
358 #endif
359 
360     bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
361 	    = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
362 			pThis);
363 
364     typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
365 
366 #ifdef CMC_DEBUG
367     fprintf(stderr, "indexes are %d %d\n", nFunctionIndex, pTypeDescr->nMapFunctionIndexToMemberIndex);
368 #endif
369 
370 	OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
371 	if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
372 	{
373 		throw RuntimeException(
374             rtl::OUString::createFromAscii("illegal vtable index!"),
375             (XInterface *)pThis );
376 	}
377 
378 	// determine called method
379 	sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
380 	OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );
381 
382 #ifdef CMC_DEBUG
383 	fprintf(stderr, "members are %d %d\n", nMemberPos, pTypeDescr->nAllMembers);
384 #endif
385 
386 	TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
387 
388 	typelib_TypeClass eRet;
389 	switch (aMemberDescr.get()->eTypeClass)
390 	{
391 	case typelib_TypeClass_INTERFACE_ATTRIBUTE:
392 	{
393 		if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
394 		{
395 			// is GET method
396 			eRet = cpp2uno_call(
397 				pCppI, aMemberDescr.get(),
398 				((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
399 				0, 0, // no params
400 				r8, gpreg, fpreg, ovrflw, pRegisterReturn );
401 		}
402 		else
403 		{
404 			// is SET method
405 			typelib_MethodParameter aParam;
406 			aParam.pTypeRef =
407 				((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
408 			aParam.bIn		= sal_True;
409 			aParam.bOut		= sal_False;
410 
411 			eRet = cpp2uno_call(
412 				pCppI, aMemberDescr.get(),
413 				0, // indicates void return
414 				1, &aParam,
415 				r8, gpreg, fpreg, ovrflw, pRegisterReturn );
416 		}
417 		break;
418 	}
419 	case typelib_TypeClass_INTERFACE_METHOD:
420 	{
421 		// is METHOD
422 		switch (nFunctionIndex)
423 		{
424 		case 1: // acquire()
425 			pCppI->acquireProxy(); // non virtual call!
426 			eRet = typelib_TypeClass_VOID;
427 			break;
428 		case 2: // release()
429 			pCppI->releaseProxy(); // non virtual call!
430 			eRet = typelib_TypeClass_VOID;
431 			break;
432 		case 0: // queryInterface() opt
433 		{
434 			typelib_TypeDescription * pTD = 0;
435 			TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( gpreg[2] )->getTypeLibType() );
436 			if (pTD)
437 			{
438                 XInterface * pInterface = 0;
439                 (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
440                     pCppI->getBridge()->getCppEnv(),
441                     (void **)&pInterface, pCppI->getOid().pData,
442                     (typelib_InterfaceTypeDescription *)pTD );
443 
444                 if (pInterface)
445                 {
446                     ::uno_any_construct(
447                         reinterpret_cast< uno_Any * >( gpreg[0] ),
448                         &pInterface, pTD, cpp_acquire );
449                     pInterface->release();
450                     TYPELIB_DANGER_RELEASE( pTD );
451                     *(void **)pRegisterReturn = gpreg[0];
452                     eRet = typelib_TypeClass_ANY;
453                     break;
454                 }
455                 TYPELIB_DANGER_RELEASE( pTD );
456 			}
457 		} // else perform queryInterface()
458 		default:
459 			eRet = cpp2uno_call(
460 				pCppI, aMemberDescr.get(),
461 				((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
462 				((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
463 				((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
464 				r8, gpreg, fpreg, ovrflw, pRegisterReturn );
465 		}
466 		break;
467 	}
468 	default:
469 	{
470 #ifdef CMC_DEBUG
471 	    fprintf(stderr, "screwed\n");
472 #endif
473 
474 		throw RuntimeException(
475             rtl::OUString::createFromAscii("no member description found!"),
476             (XInterface *)pThis );
477 		// is here for dummy
478 		eRet = typelib_TypeClass_VOID;
479 	}
480 	}
481 
482 #ifdef CMC_DEBUG
483         fprintf(stderr, "end of cpp_mediate\n");
484 #endif
485     return eRet;
486 }
487 }
488 
489 extern "C" ia64::RegReturn cpp_vtable_call(
490     long in0, long in1, long in2, long in3, long in4, long in5, long in6, long in7,
491     long firstonstack
492     )
493 {
494     register long r15 asm("r15");
495     long r8 = r15;
496 
497     register long r14 asm("r14");
498     long nOffsetAndIndex = r14;
499 
500     long sp = (long)&firstonstack;
501 
502     sal_uInt64 gpreg[ia64::MAX_GPR_REGS];
503     gpreg[0] = in0;
504     gpreg[1] = in1;
505     gpreg[2] = in2;
506     gpreg[3] = in3;
507     gpreg[4] = in4;
508     gpreg[5] = in5;
509     gpreg[6] = in6;
510     gpreg[7] = in7;
511 
512     double fpreg[ia64::MAX_SSE_REGS];
513     register double f8  asm("f8");  fpreg[0] =  f8;
514     register double f9  asm("f9");  fpreg[1] =  f9;
515     register double f10 asm("f10"); fpreg[2] = f10;
516     register double f11 asm("f11"); fpreg[3] = f11;
517     register double f12 asm("f12"); fpreg[4] = f12;
518     register double f13 asm("f13"); fpreg[5] = f13;
519     register double f14 asm("f14"); fpreg[6] = f14;
520     register double f15 asm("f15"); fpreg[7] = f15;
521 
522 #ifdef CMC_DEBUG
523 	fprintf(stderr, "cpp_vtable_call called with %lx\n", nOffsetAndIndex);
524 	fprintf(stderr, "adump is %lx %lx %lx %lx %lx %lx %lx %lx\n", in0, in1, in2, in3, in4, in5, in6, in7);
525 	fprintf(stderr, "bdump is %f %f %f %f %f %f %f %f\n", f8, f9, f10, f11, f12, f13, f14, f15);
526 #endif
527 
528     volatile long nRegReturn[4] = { 0 };
529 
530     typelib_TypeClass aType =
531         cpp_mediate( nOffsetAndIndex, (void**)gpreg, (void**)fpreg, sp, r8, (sal_Int64*)&nRegReturn[0]);
532 
533     ia64::RegReturn ret;
534     switch( aType )
535     {
536         case typelib_TypeClass_VOID:
537             break;
538         case typelib_TypeClass_BOOLEAN:
539         case typelib_TypeClass_BYTE:
540         case typelib_TypeClass_CHAR:
541         case typelib_TypeClass_UNSIGNED_SHORT:
542         case typelib_TypeClass_SHORT:
543         case typelib_TypeClass_ENUM:
544         case typelib_TypeClass_UNSIGNED_LONG:
545         case typelib_TypeClass_LONG:
546         case typelib_TypeClass_UNSIGNED_HYPER:
547         case typelib_TypeClass_HYPER:
548             ret.r8 = nRegReturn[0];
549             break;
550         case typelib_TypeClass_FLOAT:
551             asm volatile("ldfs f8=%0" : : "m"((*((float*)&nRegReturn))) : "f8");
552             break;
553         case typelib_TypeClass_DOUBLE:
554             asm volatile("ldfd f8=%0" : : "m"((*((double*)&nRegReturn))) : "f8");
555             break;
556         case typelib_TypeClass_STRUCT:
557 	case typelib_TypeClass_EXCEPTION:
558 	{
559             ret.r8 = nRegReturn[0];
560             ret.r9 = nRegReturn[1];
561             ret.r10 = nRegReturn[2];
562             ret.r11 = nRegReturn[3];
563             break;
564 	}
565         default:
566 	    break;
567     }
568     return ret;
569 }
570 
571 namespace
572 {
573 const int codeSnippetSize = 40;
574 
575 bridges::cpp_uno::shared::VtableFactory::Slot codeSnippet( unsigned char * code, sal_PtrDiff writetoexecdiff, sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
576                               bool bHasHiddenParam )
577 {
578 #ifdef CMC_DEBUG
579     fprintf(stderr, "size is %d\n", codeSnippetSize);
580     fprintf(stderr,"in codeSnippet functionIndex is %x\n", nFunctionIndex);
581     fprintf(stderr,"in codeSnippet vtableOffset is %x\n", nVtableOffset);
582 #endif
583 
584     sal_uInt64 nOffsetAndIndex = ( ( (sal_uInt64) nVtableOffset ) << 32 ) | ( (sal_uInt64) nFunctionIndex );
585 
586     if ( bHasHiddenParam )
587         nOffsetAndIndex |= 0x80000000;
588 
589     long *raw = (long *)code;
590 
591     bridges::cpp_uno::shared::VtableFactory::Slot* destination = (bridges::cpp_uno::shared::VtableFactory::Slot*)cpp_vtable_call;
592 
593     raw[0] = (long)&privateSnippetExecutor;
594     raw[1] = (long)&raw[2];
595     raw[2] = nOffsetAndIndex;
596     raw[3] = destination->gp_value;
597 
598     return *(bridges::cpp_uno::shared::VtableFactory::Slot*)(code+writetoexecdiff);
599 }
600 }
601 
602 void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const *, unsigned char const *)
603 {
604 }
605 
606 bridges::cpp_uno::shared::VtableFactory::Slot * bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
607 {
608     return static_cast< Slot * >(block) + 2;
609 }
610 
611 
612 sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
613     sal_Int32 slotCount)
614 {
615     return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
616 }
617 
618 bridges::cpp_uno::shared::VtableFactory::Slot* bridges::cpp_uno::shared::VtableFactory::initializeBlock(void * block, sal_Int32 slotCount)
619 {
620     Slot * slots = mapBlockToVtable(block);
621     Slot foo = {0,0};
622     slots[-2] = foo;
623     slots[-1] = foo;
624     return slots + slotCount;
625 }
626 
627 unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
628     Slot ** in_slots, unsigned char * code, sal_PtrDiff writetoexecdiff,
629     typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
630     sal_Int32 functionCount, sal_Int32 vtableOffset)
631 {
632     (*in_slots) -= functionCount;
633     Slot * slots = *in_slots;
634 #ifdef CMC_DEBUG
635     fprintf(stderr, "in addLocalFunctions functionOffset is %x\n",functionOffset);
636     fprintf(stderr, "in addLocalFunctions vtableOffset is %x\n",vtableOffset);
637 #endif
638 
639     for (sal_Int32 i = 0; i < type->nMembers; ++i) {
640         typelib_TypeDescription * member = 0;
641         TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
642         OSL_ASSERT(member != 0);
643         switch (member->eTypeClass) {
644         case typelib_TypeClass_INTERFACE_ATTRIBUTE:
645             // Getter:
646             *slots++ = codeSnippet(
647                 code, writetoexecdiff, functionOffset++, vtableOffset,
648                 ia64::return_in_hidden_param(
649                     reinterpret_cast<
650                     typelib_InterfaceAttributeTypeDescription * >(
651                         member)->pAttributeTypeRef));
652             code += codeSnippetSize;
653 
654 
655             // Setter:
656             if (!reinterpret_cast<
657                 typelib_InterfaceAttributeTypeDescription * >(
658                     member)->bReadOnly)
659             {
660                 *slots++ = codeSnippet(code, writetoexecdiff, functionOffset++, vtableOffset, false);
661             	code += codeSnippetSize;
662             }
663             break;
664 
665         case typelib_TypeClass_INTERFACE_METHOD:
666             *slots++ = codeSnippet(
667                 code, writetoexecdiff, functionOffset++, vtableOffset,
668                 ia64::return_in_hidden_param(
669                     reinterpret_cast<
670                     typelib_InterfaceMethodTypeDescription * >(
671                         member)->pReturnTypeRef));
672             code += codeSnippetSize;
673             break;
674 
675         default:
676             OSL_ASSERT(false);
677             break;
678         }
679         TYPELIB_DANGER_RELEASE(member);
680     }
681     return code;
682 }
683 
684 /* vi:set tabstop=4 shiftwidth=4 expandtab: */
685