xref: /trunk/main/bridges/source/cpp_uno/gcc3_linux_powerpc64/cpp2uno.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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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 
45 using namespace ::com::sun::star::uno;
46 
47 namespace
48 {
49 
50 //==================================================================================================
51 static typelib_TypeClass cpp2uno_call(
52     bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
53     const typelib_TypeDescription * pMemberTypeDescr,
54     typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
55     sal_Int32 nParams, typelib_MethodParameter * pParams,
56         void ** gpreg, void ** fpreg, void ** ovrflw,
57     sal_Int64 * pRegisterReturn /* space for register return */ )
58 {
59 #ifdef CMC_DEBUG
60     fprintf(stderr, "as far as cpp2uno_call\n");
61 #endif
62 
63     int ng = 0; //number of gpr registers used
64     int nf = 0; //number of fpr regsiters used
65 
66     // gpreg:  [ret *], this, [gpr params]
67     // fpreg:  [fpr params]
68     // ovrflw: [gpr or fpr params (properly aligned)]
69 
70     // return
71     typelib_TypeDescription * pReturnTypeDescr = 0;
72     if (pReturnTypeRef)
73         TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
74 
75     void * pUnoReturn = 0;
76     void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
77 
78     if (pReturnTypeDescr)
79     {
80         if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
81         {
82             pUnoReturn = pRegisterReturn; // direct way for simple types
83         }
84         else // complex return via ptr (pCppReturn)
85         {
86             pCppReturn = *(void **)gpreg;
87             gpreg++;
88             ng++;
89 
90             pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
91                           ? alloca( pReturnTypeDescr->nSize )
92                           : pCppReturn); // direct way
93         }
94     }
95     // pop this
96     gpreg++;
97     ng++;
98 
99     // stack space
100     OSL_ENSURE( sizeof(void *) == sizeof(sal_Int64), "### unexpected size!" );
101     // parameters
102     void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
103     void ** pCppArgs = pUnoArgs + nParams;
104     // indizes of values this have to be converted (interface conversion cpp<=>uno)
105     sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
106     // type descriptions for reconversions
107     typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
108 
109     sal_Int32 nTempIndizes = 0;
110     bool bOverFlowUsed = false;
111     for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
112     {
113         const typelib_MethodParameter & rParam = pParams[nPos];
114         typelib_TypeDescription * pParamTypeDescr = 0;
115         TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
116 
117 #ifdef CMC_DEBUG
118         fprintf(stderr, "arg %d of %d\n", nPos, nParams);
119 #endif
120 
121         if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
122         {
123 #ifdef CMC_DEBUG
124             fprintf(stderr, "simple\n");
125 #endif
126 
127             switch (pParamTypeDescr->eTypeClass)
128             {
129                 case typelib_TypeClass_FLOAT:
130                 case typelib_TypeClass_DOUBLE:
131                     if (nf < ppc64::MAX_SSE_REGS)
132                     {
133                         if (pParamTypeDescr->eTypeClass == typelib_TypeClass_FLOAT)
134                         {
135                             float tmp = (float) (*((double *)fpreg));
136                             (*((float *) fpreg)) = tmp;
137                         }
138                         pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++;
139                         nf++;
140                     }
141                     else
142                     {
143                         pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
144                         bOverFlowUsed = true;
145                     }
146                     if (bOverFlowUsed) ovrflw++;
147                     break;
148                 case typelib_TypeClass_BYTE:
149                 case typelib_TypeClass_BOOLEAN:
150                     if (ng < ppc64::MAX_GPR_REGS)
151                     {
152                         pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + (sizeof(void*)-1));
153                         ng++;
154                         gpreg++;
155                     }
156                     else
157                     {
158                         pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-1));
159                         bOverFlowUsed = true;
160                     }
161                     if (bOverFlowUsed) ovrflw++;
162                     break;
163                 case typelib_TypeClass_CHAR:
164                 case typelib_TypeClass_SHORT:
165                 case typelib_TypeClass_UNSIGNED_SHORT:
166                     if (ng < ppc64::MAX_GPR_REGS)
167                     {
168                         pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + (sizeof(void*)-2));
169                         ng++;
170                         gpreg++;
171                     }
172                     else
173                     {
174                         pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-2));
175                         bOverFlowUsed = true;
176                     }
177                     if (bOverFlowUsed) ovrflw++;
178                     break;
179         case typelib_TypeClass_ENUM:
180                 case typelib_TypeClass_LONG:
181                 case typelib_TypeClass_UNSIGNED_LONG:
182                     if (ng < ppc64::MAX_GPR_REGS)
183                     {
184                         pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)gpreg) + (sizeof(void*)-4));
185                         ng++;
186                         gpreg++;
187                     }
188                     else
189                     {
190                         pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-4));
191                         bOverFlowUsed = true;
192                     }
193                     if (bOverFlowUsed) ovrflw++;
194                     break;
195                 default:
196                     if (ng < ppc64::MAX_GPR_REGS)
197                     {
198                         pCppArgs[nPos] = pUnoArgs[nPos] = gpreg++;
199                         ng++;
200                     }
201                     else
202                     {
203                         pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
204                         bOverFlowUsed = true;
205                     }
206                     if (bOverFlowUsed) ovrflw++;
207                     break;
208                 }
209 
210                 // no longer needed
211                 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
212         }
213         else // ptr to complex value | ref
214         {
215 #ifdef CMC_DEBUG
216             fprintf(stderr, "complex, ng is %d\n", ng);
217 #endif
218             void *pCppStack; //temporary stack pointer
219 
220             if (ng < ppc64::MAX_GPR_REGS)
221             {
222                 pCppArgs[nPos] = pCppStack = *gpreg++;
223                 ng++;
224             }
225             else
226             {
227                 pCppArgs[nPos] = pCppStack = *ovrflw;
228                 bOverFlowUsed = true;
229             }
230             if (bOverFlowUsed) ovrflw++;
231 
232             if (! rParam.bIn) // is pure out
233             {
234                 // uno out is unconstructed mem!
235                 pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
236                 pTempIndizes[nTempIndizes] = nPos;
237                 // will be released at reconversion
238                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
239             }
240             // is in/inout
241             else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
242             {
243                 uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
244                                         pCppStack, pParamTypeDescr,
245                                         pThis->getBridge()->getCpp2Uno() );
246                 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
247                 // will be released at reconversion
248                 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
249             }
250             else // direct way
251             {
252                 pUnoArgs[nPos] = pCppStack;
253                 // no longer needed
254                 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
255             }
256         }
257     }
258 
259 #ifdef CMC_DEBUG
260     fprintf(stderr, "end of params\n");
261 #endif
262 
263     // ExceptionHolder
264     uno_Any aUnoExc; // Any will be constructed by callee
265     uno_Any * pUnoExc = &aUnoExc;
266 
267     // invoke uno dispatch call
268     (*pThis->getUnoI()->pDispatcher)( pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
269 
270     // in case an exception occured...
271     if (pUnoExc)
272     {
273         // destruct temporary in/inout params
274         for ( ; nTempIndizes--; )
275         {
276             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
277 
278             if (pParams[nIndex].bIn) // is in/inout => was constructed
279                 uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 );
280             TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
281         }
282         if (pReturnTypeDescr)
283             TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
284 
285         CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc, pThis->getBridge()->getUno2Cpp() );
286                 // has to destruct the any
287         // is here for dummy
288         return typelib_TypeClass_VOID;
289     }
290     else // else no exception occured...
291     {
292         // temporary params
293         for ( ; nTempIndizes--; )
294         {
295             sal_Int32 nIndex = pTempIndizes[nTempIndizes];
296             typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
297 
298             if (pParams[nIndex].bOut) // inout/out
299             {
300                 // convert and assign
301                 uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
302                 uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
303                                         pThis->getBridge()->getUno2Cpp() );
304             }
305             // destroy temp uno param
306             uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
307 
308             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
309         }
310         // return
311         if (pCppReturn) // has complex return
312         {
313             if (pUnoReturn != pCppReturn) // needs reconversion
314             {
315                 uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
316                                         pThis->getBridge()->getUno2Cpp() );
317                 // destroy temp uno return
318                 uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
319             }
320             // complex return ptr is set to return reg
321             *(void **)pRegisterReturn = pCppReturn;
322         }
323         if (pReturnTypeDescr)
324         {
325             typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
326             TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
327             return eRet;
328         }
329         else
330             return typelib_TypeClass_VOID;
331     }
332 }
333 
334 
335 //==================================================================================================
336 static typelib_TypeClass cpp_mediate(
337     sal_uInt64 nOffsetAndIndex,
338         void ** gpreg, void ** fpreg, long sp,
339     sal_Int64 * pRegisterReturn /* space for register return */ )
340 {
341     OSL_ENSURE( sizeof(sal_Int64)==sizeof(void *), "### unexpected!" );
342 
343     sal_Int32 nVtableOffset = (nOffsetAndIndex >> 32);
344     sal_Int32 nFunctionIndex = (nOffsetAndIndex & 0xFFFFFFFF);
345 
346     long sf = *(long*)sp;
347     void ** ovrflw = (void**)(sf + 112);
348 
349     // gpreg:  [ret *], this, [other gpr params]
350     // fpreg:  [fpr params]
351     // ovrflw: [gpr or fpr params (properly aligned)]
352 
353     void * pThis;
354     if (nFunctionIndex & 0x80000000 )
355     {
356     nFunctionIndex &= 0x7fffffff;
357     pThis = gpreg[1];
358 #ifdef CMC_DEBUG
359     fprintf(stderr, "pThis is gpreg[1]\n");
360 #endif
361     }
362     else
363     {
364     pThis = gpreg[0];
365 #ifdef CMC_DEBUG
366     fprintf(stderr, "pThis is gpreg[0]\n");
367 #endif
368     }
369 
370 #ifdef CMC_DEBUG
371     fprintf(stderr, "pThis is %lx\n", pThis);
372 #endif
373 
374     pThis = static_cast< char * >(pThis) - nVtableOffset;
375 
376 #ifdef CMC_DEBUG
377     fprintf(stderr, "pThis is now %lx\n", pThis);
378 #endif
379 
380     bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
381         = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
382             pThis);
383 
384     typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
385 
386 #ifdef CMC_DEBUG
387     fprintf(stderr, "indexes are %d %d\n", nFunctionIndex, pTypeDescr->nMapFunctionIndexToMemberIndex);
388 #endif
389 
390     OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
391     if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
392     {
393         throw RuntimeException(
394             rtl::OUString::createFromAscii("illegal vtable index!"),
395             (XInterface *)pThis );
396     }
397 
398     // determine called method
399     sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
400     OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );
401 
402 #ifdef CMC_DEBUG
403     fprintf(stderr, "members are %d %d\n", nMemberPos, pTypeDescr->nAllMembers);
404 #endif
405 
406     TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
407 
408     typelib_TypeClass eRet;
409     switch (aMemberDescr.get()->eTypeClass)
410     {
411     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
412     {
413         if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
414         {
415             // is GET method
416             eRet = cpp2uno_call(
417                 pCppI, aMemberDescr.get(),
418                 ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
419                 0, 0, // no params
420                 gpreg, fpreg, ovrflw, pRegisterReturn );
421         }
422         else
423         {
424             // is SET method
425             typelib_MethodParameter aParam;
426             aParam.pTypeRef =
427                 ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
428             aParam.bIn      = sal_True;
429             aParam.bOut     = sal_False;
430 
431             eRet = cpp2uno_call(
432                 pCppI, aMemberDescr.get(),
433                 0, // indicates void return
434                 1, &aParam,
435                 gpreg, fpreg, ovrflw, pRegisterReturn );
436         }
437         break;
438     }
439     case typelib_TypeClass_INTERFACE_METHOD:
440     {
441         // is METHOD
442         switch (nFunctionIndex)
443         {
444         case 1: // acquire()
445             pCppI->acquireProxy(); // non virtual call!
446             eRet = typelib_TypeClass_VOID;
447             break;
448         case 2: // release()
449             pCppI->releaseProxy(); // non virtual call!
450             eRet = typelib_TypeClass_VOID;
451             break;
452         case 0: // queryInterface() opt
453         {
454             typelib_TypeDescription * pTD = 0;
455             TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( gpreg[2] )->getTypeLibType() );
456             if (pTD)
457             {
458                 XInterface * pInterface = 0;
459                 (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
460                     pCppI->getBridge()->getCppEnv(),
461                     (void **)&pInterface, pCppI->getOid().pData,
462                     (typelib_InterfaceTypeDescription *)pTD );
463 
464                 if (pInterface)
465                 {
466                     ::uno_any_construct(
467                         reinterpret_cast< uno_Any * >( gpreg[0] ),
468                         &pInterface, pTD, cpp_acquire );
469                     pInterface->release();
470                     TYPELIB_DANGER_RELEASE( pTD );
471                     *(void **)pRegisterReturn = gpreg[0];
472                     eRet = typelib_TypeClass_ANY;
473                     break;
474                 }
475                 TYPELIB_DANGER_RELEASE( pTD );
476             }
477         } // else perform queryInterface()
478         default:
479             eRet = cpp2uno_call(
480                 pCppI, aMemberDescr.get(),
481                 ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
482                 ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
483                 ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
484                 gpreg, fpreg, ovrflw, pRegisterReturn );
485         }
486         break;
487     }
488     default:
489     {
490 #ifdef CMC_DEBUG
491         fprintf(stderr, "screwed\n");
492 #endif
493 
494         throw RuntimeException(
495             rtl::OUString::createFromAscii("no member description found!"),
496             (XInterface *)pThis );
497         // is here for dummy
498         eRet = typelib_TypeClass_VOID;
499     }
500     }
501 
502 #ifdef CMC_DEBUG
503         fprintf(stderr, "end of cpp_mediate\n");
504 #endif
505     return eRet;
506 }
507 
508 extern "C" void privateSnippetExecutor( ... )
509 {
510     volatile long nOffsetAndIndex;
511 
512     //mr %r3, %r11            # move into arg1 the 64bit value passed from OOo
513     __asm__ __volatile__ (
514                 "mr     %0,    11\n\t"
515                 : "=r" (nOffsetAndIndex) : );
516 
517     sal_uInt64 gpreg[ppc64::MAX_GPR_REGS];
518     double fpreg[ppc64::MAX_SSE_REGS];
519 
520     __asm__ __volatile__ (
521         "std 3,   0(%0)\t\n"
522         "std 4,   8(%0)\t\n"
523         "std 5,  16(%0)\t\n"
524         "std 6,  24(%0)\t\n"
525         "std 7,  32(%0)\t\n"
526         "std 8,  40(%0)\t\n"
527         "std 9,  48(%0)\t\n"
528         "std 10, 56(%0)\t\n"
529         "stfd 1,   0(%1)\t\n"
530         "stfd 2,   8(%1)\t\n"
531         "stfd 3,  16(%1)\t\n"
532         "stfd 4,  24(%1)\t\n"
533         "stfd 5,  32(%1)\t\n"
534         "stfd 6,  40(%1)\t\n"
535         "stfd 7,  48(%1)\t\n"
536         "stfd 8,  56(%1)\t\n"
537         "stfd 9,  64(%1)\t\n"
538         "stfd 10, 72(%1)\t\n"
539         "stfd 11, 80(%1)\t\n"
540         "stfd 12, 88(%1)\t\n"
541         "stfd 13, 96(%1)\t\n"
542     : : "r" (gpreg), "r" (fpreg)
543         : "r0", "r3", "r4", "r5", "r6", "r7", "r8", "r9", "r10",
544           "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7", "fr8", "fr9",
545           "fr10", "fr11", "fr12", "fr13"
546     );
547 
548     volatile long sp;
549 
550     //stack pointer
551     __asm__ __volatile__ (
552                 "mr     %0,    1\n\t"
553                 : "=r" (sp) : );
554 
555     volatile long nRegReturn[1];
556 
557     typelib_TypeClass aType =
558         cpp_mediate( nOffsetAndIndex, (void**)gpreg, (void**)fpreg, sp, (sal_Int64*)nRegReturn);
559 
560     switch( aType )
561     {
562         case typelib_TypeClass_VOID:
563         break;
564         case typelib_TypeClass_BOOLEAN:
565         case typelib_TypeClass_BYTE:
566             __asm__( "lbz 3,%0\n\t"
567                 : : "m" (nRegReturn[0]) );
568             break;
569         case typelib_TypeClass_CHAR:
570         case typelib_TypeClass_UNSIGNED_SHORT:
571             __asm__( "lhz 3,%0\n\t"
572                 : : "m" (nRegReturn[0]) );
573             break;
574         case typelib_TypeClass_SHORT:
575             __asm__( "lha 3,%0\n\t"
576                 : : "m" (nRegReturn[0]) );
577             break;
578         case typelib_TypeClass_ENUM:
579         case typelib_TypeClass_UNSIGNED_LONG:
580             __asm__( "lwz 3,%0\n\t"
581                 : : "m"(nRegReturn[0]) );
582             break;
583         case typelib_TypeClass_LONG:
584             __asm__( "lwa 3,%0\n\t"
585                 : : "m"(nRegReturn[0]) );
586             break;
587         case typelib_TypeClass_FLOAT:
588             __asm__( "lfs 1,%0\n\t"
589                 : : "m" (*((float*)nRegReturn)) );
590             break;
591         case typelib_TypeClass_DOUBLE:
592             __asm__( "lfd 1,%0\n\t"
593                 : : "m" (*((double*)nRegReturn)) );
594             break;
595         default:
596             __asm__( "ld 3,%0\n\t"
597                 : : "m" (nRegReturn[0]) );
598             break;
599     }
600 }
601 
602 const int codeSnippetSize = 24;
603 
604 unsigned char *  codeSnippet( unsigned char * code, sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
605                               bool simpleRetType)
606 {
607 #ifdef CMC_DEBUG
608     fprintf(stderr,"in codeSnippet functionIndex is %x\n", nFunctionIndex);
609     fprintf(stderr,"in codeSnippet vtableOffset is %x\n", nVtableOffset);
610 #endif
611 
612     sal_uInt64 nOffsetAndIndex = ( ( (sal_uInt64) nVtableOffset ) << 32 ) | ( (sal_uInt64) nFunctionIndex );
613 
614     if ( !simpleRetType )
615         nOffsetAndIndex |= 0x80000000;
616 
617     void ** raw = (void **)&code[0];
618     memcpy(raw, (char*) privateSnippetExecutor, 16);
619     raw[2] = (void*) nOffsetAndIndex;
620 #ifdef CMC_DEBUG
621     fprintf(stderr, "in: offset/index is %x %x %d, %lx\n",
622     nFunctionIndex, nVtableOffset, !simpleRetType, raw[2]);
623 #endif
624     return (code + codeSnippetSize);
625 }
626 
627 }
628 
629 void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const * bptr, unsigned char const * eptr)
630 {
631     int const lineSize = 32;
632     for (unsigned char const * p = bptr; p < eptr + lineSize; p += lineSize) {
633         __asm__ volatile ("dcbst 0, %0" : : "r"(p) : "memory");
634     }
635     __asm__ volatile ("sync" : : : "memory");
636     for (unsigned char const * p = bptr; p < eptr + lineSize; p += lineSize) {
637         __asm__ volatile ("icbi 0, %0" : : "r"(p) : "memory");
638     }
639     __asm__ volatile ("isync" : : : "memory");
640 }
641 
642 struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
643 
644 bridges::cpp_uno::shared::VtableFactory::Slot *
645 bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
646 {
647     return static_cast< Slot * >(block) + 2;
648 }
649 
650 sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
651     sal_Int32 slotCount)
652 {
653     return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
654 }
655 
656 bridges::cpp_uno::shared::VtableFactory::Slot *
657 bridges::cpp_uno::shared::VtableFactory::initializeBlock(
658     void * block, sal_Int32 slotCount)
659 {
660     Slot * slots = mapBlockToVtable(block);
661     slots[-2].fn = 0;
662     slots[-1].fn = 0;
663     return slots + slotCount;
664 }
665 
666 unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
667     Slot ** slots, unsigned char * code, sal_PtrDiff writetoexecdiff,
668     typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
669     sal_Int32 functionCount, sal_Int32 vtableOffset)
670 {
671      (*slots) -= functionCount;
672      Slot * s = *slots;
673 #ifdef CMC_DEBUG
674     fprintf(stderr, "in addLocalFunctions functionOffset is %x\n",functionOffset);
675     fprintf(stderr, "in addLocalFunctions vtableOffset is %x\n",vtableOffset);
676 #endif
677 
678     for (sal_Int32 i = 0; i < type->nMembers; ++i) {
679         typelib_TypeDescription * member = 0;
680         TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
681         OSL_ASSERT(member != 0);
682         switch (member->eTypeClass) {
683         case typelib_TypeClass_INTERFACE_ATTRIBUTE:
684             // Getter:
685             (s++)->fn = code + writetoexecdiff;
686             code = codeSnippet(
687                 code, functionOffset++, vtableOffset,
688                 bridges::cpp_uno::shared::isSimpleType(
689                     reinterpret_cast<
690                     typelib_InterfaceAttributeTypeDescription * >(
691                         member)->pAttributeTypeRef));
692 
693             // Setter:
694             if (!reinterpret_cast<
695                 typelib_InterfaceAttributeTypeDescription * >(
696                     member)->bReadOnly)
697             {
698                 (s++)->fn = code + writetoexecdiff;
699                 code = codeSnippet(code, functionOffset++, vtableOffset, true);
700             }
701             break;
702 
703         case typelib_TypeClass_INTERFACE_METHOD:
704             (s++)->fn = code + writetoexecdiff;
705             code = codeSnippet(
706                 code, functionOffset++, vtableOffset,
707                 bridges::cpp_uno::shared::isSimpleType(
708                     reinterpret_cast<
709                     typelib_InterfaceMethodTypeDescription * >(
710                         member)->pReturnTypeRef));
711             break;
712 
713         default:
714             OSL_ASSERT(false);
715             break;
716         }
717         TYPELIB_DANGER_RELEASE(member);
718     }
719     return code;
720 }
721 
722 /* vi:set tabstop=4 shiftwidth=4 expandtab: */
723