1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_bridges.hxx"
26
27 #include <string.h>
28
29 #include <com/sun/star/uno/genfunc.hxx>
30 #include <uno/data.h>
31 #include <typelib/typedescription.hxx>
32
33 #include "bridges/cpp_uno/shared/bridge.hxx"
34 #include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx"
35 #include "bridges/cpp_uno/shared/types.hxx"
36 #include "bridges/cpp_uno/shared/vtablefactory.hxx"
37
38 #include "share.hxx"
39 // #include <stdio.h>
40
41
42 using namespace ::com::sun::star::uno;
43
44 namespace
45 {
46
47 //==================================================================================================
cpp2uno_call(bridges::cpp_uno::shared::CppInterfaceProxy * pThis,const typelib_TypeDescription * pMemberTypeDescr,typelib_TypeDescriptionReference * pReturnTypeRef,sal_Int32 nParams,typelib_MethodParameter * pParams,void ** gpreg,void ** fpreg,void ** ovrflw,sal_Int64 * pRegisterReturn)48 static typelib_TypeClass cpp2uno_call(
49 bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
50 const typelib_TypeDescription * pMemberTypeDescr,
51 typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
52 sal_Int32 nParams, typelib_MethodParameter * pParams,
53 void ** gpreg, void ** fpreg, void ** ovrflw,
54 sal_Int64 * pRegisterReturn /* space for register return */ )
55 {
56 int ng = 0; //number of gpr registers used
57 #ifndef __NO_FPRS__
58 int nf = 0; //number of fpr regsiters used
59 #endif
60 void ** pCppStack; //temporary stack pointer
61
62 // gpreg: [ret *], this, [gpr params]
63 // fpreg: [fpr params]
64 // ovrflw: [gpr or fpr params (properly aligned)]
65
66 // return
67 typelib_TypeDescription * pReturnTypeDescr = 0;
68 if (pReturnTypeRef)
69 TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
70
71 void * pUnoReturn = 0;
72 void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
73
74 if (pReturnTypeDescr)
75 {
76 if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
77 {
78 pUnoReturn = pRegisterReturn; // direct way for simple types
79 }
80 else // complex return via ptr (pCppReturn)
81 {
82 pCppReturn = *(void **)gpreg;
83 gpreg++;
84 ng++;
85
86 pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
87 ? alloca( pReturnTypeDescr->nSize )
88 : pCppReturn); // direct way
89 }
90 }
91 // pop this
92 gpreg++;
93 ng++;
94
95 // stack space
96 OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
97 // parameters
98 void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams );
99 void ** pCppArgs = pUnoArgs + nParams;
100 // indizes of values this have to be converted (interface conversion cpp<=>uno)
101 sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams));
102 // type descriptions for reconversions
103 typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
104
105 sal_Int32 nTempIndizes = 0;
106
107 for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
108 {
109 const typelib_MethodParameter & rParam = pParams[nPos];
110 typelib_TypeDescription * pParamTypeDescr = 0;
111 TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
112
113 if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
114 // value
115 {
116
117 switch (pParamTypeDescr->eTypeClass)
118 {
119
120 case typelib_TypeClass_DOUBLE:
121 #ifndef __NO_FPRS__
122 if (nf < 8) {
123 pCppArgs[nPos] = fpreg;
124 pUnoArgs[nPos] = fpreg;
125 nf++;
126 fpreg += 2;
127 #else
128 if (ng & 1) {
129 ng++;
130 gpreg++;
131 }
132 if (ng < 8) {
133 pCppArgs[nPos] = gpreg;
134 pUnoArgs[nPos] = gpreg;
135 ng += 2;
136 gpreg += 2;
137 #endif
138 } else {
139 if (((long)ovrflw) & 4) ovrflw++;
140 pCppArgs[nPos] = ovrflw;
141 pUnoArgs[nPos] = ovrflw;
142 ovrflw += 2;
143 }
144 break;
145
146 case typelib_TypeClass_FLOAT:
147 // fpreg are all double values so need to
148 // modify fpreg to be a single word float value
149 #ifndef __NO_FPRS__
150 if (nf < 8) {
151 float tmp = (float) (*((double *)fpreg));
152 (*((float *) fpreg)) = tmp;
153 pCppArgs[nPos] = fpreg;
154 pUnoArgs[nPos] = fpreg;
155 nf++;
156 fpreg += 2;
157 #else
158 if (ng < 8) {
159 pCppArgs[nPos] = gpreg;
160 pUnoArgs[nPos] = gpreg;
161 ng++;
162 gpreg++;
163 #endif
164 } else {
165 #if 0 /* abi is not being followed correctly */
166 if (((long)ovrflw) & 4) ovrflw++;
167 float tmp = (float) (*((double *)ovrflw));
168 (*((float *) ovrflw)) = tmp;
169 pCppArgs[nPos] = ovrflw;
170 pUnoArgs[nPos] = ovrflw;
171 ovrflw += 2;
172 #else
173 pCppArgs[nPos] = ovrflw;
174 pUnoArgs[nPos] = ovrflw;
175 ovrflw += 1;
176 #endif
177 }
178 break;
179
180 case typelib_TypeClass_HYPER:
181 case typelib_TypeClass_UNSIGNED_HYPER:
182 if (ng & 1) {
183 ng++;
184 gpreg++;
185 }
186 if (ng < 8) {
187 pCppArgs[nPos] = gpreg;
188 pUnoArgs[nPos] = gpreg;
189 ng += 2;
190 gpreg += 2;
191 } else {
192 if (((long)ovrflw) & 4) ovrflw++;
193 pCppArgs[nPos] = ovrflw;
194 pUnoArgs[nPos] = ovrflw;
195 ovrflw += 2;
196 }
197 break;
198
199 case typelib_TypeClass_BYTE:
200 case typelib_TypeClass_BOOLEAN:
201 if (ng < 8) {
202 pCppArgs[nPos] = (((char *)gpreg) + 3);
203 pUnoArgs[nPos] = (((char *)gpreg) + 3);
204 ng++;
205 gpreg++;
206 } else {
207 pCppArgs[nPos] = (((char *)ovrflw) + 3);
208 pUnoArgs[nPos] = (((char *)ovrflw) + 3);
209 ovrflw++;
210 }
211 break;
212
213
214 case typelib_TypeClass_CHAR:
215 case typelib_TypeClass_SHORT:
216 case typelib_TypeClass_UNSIGNED_SHORT:
217 if (ng < 8) {
218 pCppArgs[nPos] = (((char *)gpreg)+ 2);
219 pUnoArgs[nPos] = (((char *)gpreg)+ 2);
220 ng++;
221 gpreg++;
222 } else {
223 pCppArgs[nPos] = (((char *)ovrflw) + 2);
224 pUnoArgs[nPos] = (((char *)ovrflw) + 2);
225 ovrflw++;
226 }
227 break;
228
229
230 default:
231 if (ng < 8) {
232 pCppArgs[nPos] = gpreg;
233 pUnoArgs[nPos] = gpreg;
234 ng++;
235 gpreg++;
236 } else {
237 pCppArgs[nPos] = ovrflw;
238 pUnoArgs[nPos] = ovrflw;
239 ovrflw++;
240 }
241 break;
242
243 }
244 // no longer needed
245 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
246 }
247 else // ptr to complex value | ref
248 {
249
250 if (ng < 8) {
251 pCppArgs[nPos] = *(void **)gpreg;
252 pCppStack = gpreg;
253 ng++;
254 gpreg++;
255 } else {
256 pCppArgs[nPos] = *(void **)ovrflw;
257 pCppStack = ovrflw;
258 ovrflw++;
259 }
260
261 if (! rParam.bIn) // is pure out
262 {
263 // uno out is unconstructed mem!
264 pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
265 pTempIndizes[nTempIndizes] = nPos;
266 // will be released at reconversion
267 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
268 }
269 // is in/inout
270 else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
271 {
272 uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
273 *(void **)pCppStack, pParamTypeDescr,
274 pThis->getBridge()->getCpp2Uno() );
275 pTempIndizes[nTempIndizes] = nPos; // has to be reconverted
276 // will be released at reconversion
277 ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
278 }
279 else // direct way
280 {
281 pUnoArgs[nPos] = *(void **)pCppStack;
282 // no longer needed
283 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
284 }
285 }
286 }
287
288 // ExceptionHolder
289 uno_Any aUnoExc; // Any will be constructed by callee
290 uno_Any * pUnoExc = &aUnoExc;
291
292 // invoke uno dispatch call
293 (*pThis->getUnoI()->pDispatcher)( pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
294
295 // in case an exception occurred...
296 if (pUnoExc)
297 {
298 // destruct temporary in/inout params
299 for ( ; nTempIndizes--; )
300 {
301 sal_Int32 nIndex = pTempIndizes[nTempIndizes];
302
303 if (pParams[nIndex].bIn) // is in/inout => was constructed
304 uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 );
305 TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] );
306 }
307 if (pReturnTypeDescr)
308 TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
309
310 CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc, pThis->getBridge()->getUno2Cpp() );
311 // has to destruct the any
312 // is here for dummy
313 return typelib_TypeClass_VOID;
314 }
315 else // else no exception occurred...
316 {
317 // temporary params
318 for ( ; nTempIndizes--; )
319 {
320 sal_Int32 nIndex = pTempIndizes[nTempIndizes];
321 typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
322
323 if (pParams[nIndex].bOut) // inout/out
324 {
325 // convert and assign
326 uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
327 uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
328 pThis->getBridge()->getUno2Cpp() );
329 }
330 // destroy temp uno param
331 uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
332
333 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
334 }
335 // return
336 if (pCppReturn) // has complex return
337 {
338 if (pUnoReturn != pCppReturn) // needs reconversion
339 {
340 uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
341 pThis->getBridge()->getUno2Cpp() );
342 // destroy temp uno return
343 uno_destructData( pUnoReturn, pReturnTypeDescr, 0 );
344 }
345 // complex return ptr is set to return reg
346 *(void **)pRegisterReturn = pCppReturn;
347 }
348 if (pReturnTypeDescr)
349 {
350 typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
351 TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
352 return eRet;
353 }
354 else
355 return typelib_TypeClass_VOID;
356 }
357 }
358
359
360 //==================================================================================================
361 static typelib_TypeClass cpp_mediate(
362 sal_Int32 nFunctionIndex,
363 sal_Int32 nVtableOffset,
364 void ** gpreg, void ** fpreg, void ** ovrflw,
365 sal_Int64 * pRegisterReturn /* space for register return */ )
366 {
367 OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );
368
369 // gpreg: [ret *], this, [other gpr params]
370 // fpreg: [fpr params]
371 // ovrflw: [gpr or fpr params (properly aligned)]
372
373 void * pThis;
374 if (nFunctionIndex & 0x80000000 )
375 {
376 nFunctionIndex &= 0x7fffffff;
377 pThis = gpreg[1];
378 }
379 else
380 {
381 pThis = gpreg[0];
382 }
383
384 pThis = static_cast< char * >(pThis) - nVtableOffset;
385 bridges::cpp_uno::shared::CppInterfaceProxy * pCppI
386 = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
387 pThis);
388
389 typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
390
391 OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" );
392 if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
393 {
394 throw RuntimeException(
395 rtl::OUString::createFromAscii("illegal vtable index!"),
396 (XInterface *)pThis );
397 }
398
399 // determine called method
400 sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
401 OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" );
402
403 TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
404
405 typelib_TypeClass eRet;
406 switch (aMemberDescr.get()->eTypeClass)
407 {
408 case typelib_TypeClass_INTERFACE_ATTRIBUTE:
409 {
410 if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex)
411 {
412 // is GET method
413 eRet = cpp2uno_call(
414 pCppI, aMemberDescr.get(),
415 ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef,
416 0, 0, // no params
417 gpreg, fpreg, ovrflw, pRegisterReturn );
418 }
419 else
420 {
421 // is SET method
422 typelib_MethodParameter aParam;
423 aParam.pTypeRef =
424 ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef;
425 aParam.bIn = sal_True;
426 aParam.bOut = sal_False;
427
428 eRet = cpp2uno_call(
429 pCppI, aMemberDescr.get(),
430 0, // indicates void return
431 1, &aParam,
432 gpreg, fpreg, ovrflw, pRegisterReturn );
433 }
434 break;
435 }
436 case typelib_TypeClass_INTERFACE_METHOD:
437 {
438 // is METHOD
439 switch (nFunctionIndex)
440 {
441 case 1: // acquire()
442 pCppI->acquireProxy(); // non virtual call!
443 eRet = typelib_TypeClass_VOID;
444 break;
445 case 2: // release()
446 pCppI->releaseProxy(); // non virtual call!
447 eRet = typelib_TypeClass_VOID;
448 break;
449 case 0: // queryInterface() opt
450 {
451 typelib_TypeDescription * pTD = 0;
452 TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( gpreg[2] )->getTypeLibType() );
453 if (pTD)
454 {
455 XInterface * pInterface = 0;
456 (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)(
457 pCppI->getBridge()->getCppEnv(),
458 (void **)&pInterface, pCppI->getOid().pData,
459 (typelib_InterfaceTypeDescription *)pTD );
460
461 if (pInterface)
462 {
463 ::uno_any_construct(
464 reinterpret_cast< uno_Any * >( gpreg[0] ),
465 &pInterface, pTD, cpp_acquire );
466 pInterface->release();
467 TYPELIB_DANGER_RELEASE( pTD );
468 *(void **)pRegisterReturn = gpreg[0];
469 eRet = typelib_TypeClass_ANY;
470 break;
471 }
472 TYPELIB_DANGER_RELEASE( pTD );
473 }
474 } // else perform queryInterface()
475 default:
476 eRet = cpp2uno_call(
477 pCppI, aMemberDescr.get(),
478 ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef,
479 ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams,
480 ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams,
481 gpreg, fpreg, ovrflw, pRegisterReturn );
482 }
483 break;
484 }
485 default:
486 {
487 throw RuntimeException(
488 rtl::OUString::createFromAscii("no member description found!"),
489 (XInterface *)pThis );
490 // is here for dummy
491 eRet = typelib_TypeClass_VOID;
492 }
493 }
494
495 return eRet;
496 }
497
498 //==================================================================================================
499 /**
500 * is called on incoming vtable calls
501 * (called by asm snippets)
502 */
503 static void cpp_vtable_call( int nFunctionIndex, int nVtableOffset, void** gpregptr, void** fpregptr, void** ovrflw)
504 {
505 sal_Int32 gpreg[8];
506 memcpy( gpreg, gpregptr, 32);
507
508 #ifndef __NO_FPRS__
509 double fpreg[8];
510 memcpy( fpreg, fpregptr, 64);
511 #endif
512
513 volatile long nRegReturn[2];
514
515 // fprintf(stderr,"in cpp_vtable_call nFunctionIndex is %x\n",nFunctionIndex);
516 // fprintf(stderr,"in cpp_vtable_call nVtableOffset is %x\n",nVtableOffset);
517 // fflush(stderr);
518
519 typelib_TypeClass aType =
520 cpp_mediate( nFunctionIndex, nVtableOffset, (void**)gpreg,
521 #ifndef __NO_FPRS__
522 (void**)fpreg,
523 #else
524 NULL,
525 #endif
526 ovrflw, (sal_Int64*)nRegReturn );
527
528 switch( aType )
529 {
530
531 // move return value into register space
532 // (will be loaded by machine code snippet)
533
534 case typelib_TypeClass_BOOLEAN:
535 case typelib_TypeClass_BYTE:
536 __asm__( "lbz 3,%0\n\t" : :
537 "m"(nRegReturn[0]) );
538 break;
539
540 case typelib_TypeClass_CHAR:
541 case typelib_TypeClass_SHORT:
542 case typelib_TypeClass_UNSIGNED_SHORT:
543 __asm__( "lhz 3,%0\n\t" : :
544 "m"(nRegReturn[0]) );
545 break;
546
547 case typelib_TypeClass_FLOAT:
548 #ifndef __NO_FPRS__
549 __asm__( "lfs 1,%0\n\t" : :
550 "m" (*((float*)nRegReturn)) );
551 #else
552 __asm__( "lwz 3,%0\n\t" : :
553 "m"(nRegReturn[0]) );
554 #endif
555 break;
556
557 case typelib_TypeClass_DOUBLE:
558 #ifndef __NO_FPRS__
559 __asm__( "lfd 1,%0\n\t" : :
560 "m" (*((double*)nRegReturn)) );
561 #else
562 __asm__( "lwz 3,%0\n\t" : :
563 "m"(nRegReturn[0]) );
564 __asm__( "lwz 4,%0\n\t" : :
565 "m"(nRegReturn[1]) );
566 #endif
567 break;
568
569 case typelib_TypeClass_HYPER:
570 case typelib_TypeClass_UNSIGNED_HYPER:
571 __asm__( "lwz 4,%0\n\t" : :
572 "m"(nRegReturn[1]) ); // fall through
573
574 default:
575 __asm__( "lwz 3,%0\n\t" : :
576 "m"(nRegReturn[0]) );
577 break;
578 }
579 }
580
581
582 int const codeSnippetSize = 108;
583
584 unsigned char * codeSnippet( unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset,
585 bool simpleRetType)
586 {
587
588 // fprintf(stderr,"in codeSnippet functionIndex is %x\n", functionIndex);
589 // fprintf(stderr,"in codeSnippet vtableOffset is %x\n", vtableOffset);
590 // fflush(stderr);
591
592 if (! simpleRetType )
593 functionIndex |= 0x80000000;
594
595 unsigned long * p = (unsigned long *) code;
596
597 // OSL_ASSERT( sizeof (long) == 4 );
598 OSL_ASSERT((((unsigned long)code) & 0x3) == 0 ); //aligned to 4 otherwise a mistake
599
600 /* generate this code */
601 // # so first save gpr 3 to gpr 10 (aligned to 4)
602 // stw r3,-2048(r1)
603 // stw r4,-2044(r1)
604 // stw r5,-2040(r1)
605 // stw r6,-2036(r1)
606 // stw r7,-2032(r1)
607 // stw r8,-2028(r1)
608 // stw r9,-2024(r1)
609 // stw r10,-2020(r1)
610
611
612 // # next save fpr 1 to fpr 8 (aligned to 8)
613 // if dedicated floating point registers are used
614 // stfd f1,-2016(r1)
615 // stfd f2,-2008(r1)
616 // stfd f3,-2000(r1)
617 // stfd f4,-1992(r1)
618 // stfd f5,-1984(r1)
619 // stfd f6,-1976(r1)
620 // stfd f7,-1968(r1)
621 // stfd f8,-1960(r1)
622
623 // # now here is where cpp_vtable_call must go
624 // lis r3,-8531
625 // ori r3,r3,48879
626 // mtctr r3
627
628 // # now load up the functionIndex
629 // lis r3,-8531
630 // ori r3,r3,48879
631
632 // # now load up the vtableOffset
633 // lis r4,-8531
634 // ori r4,r4,48879
635
636 // #now load up the pointer to the saved gpr registers
637 // addi r5,r1,-2048
638
639 // #now load up the pointer to the saved fpr registers
640 // addi r6,r1,-2016
641 // if no dedicated floating point registers are used than we have NULL
642 // pointer there
643 // li r6, 0
644 //
645
646 // #now load up the pointer to the overflow call stack
647 // addi r7,r1,8
648 // bctr
649
650 * p++ = 0x9061f800;
651 * p++ = 0x9081f804;
652 * p++ = 0x90a1f808;
653 * p++ = 0x90c1f80c;
654 * p++ = 0x90e1f810;
655 * p++ = 0x9101f814;
656 * p++ = 0x9121f818;
657 * p++ = 0x9141f81c;
658 #ifndef __NO_FPRS__
659 * p++ = 0xd821f820;
660 * p++ = 0xd841f828;
661 * p++ = 0xd861f830;
662 * p++ = 0xd881f838;
663 * p++ = 0xd8a1f840;
664 * p++ = 0xd8c1f848;
665 * p++ = 0xd8e1f850;
666 * p++ = 0xd901f858;
667 #else
668 /* these nops could be replaced with a smaller codeSnippetSize - 8 * 4 */
669 * p++ = 0x60000000;
670 * p++ = 0x60000000;
671 * p++ = 0x60000000;
672 * p++ = 0x60000000;
673 * p++ = 0x60000000;
674 * p++ = 0x60000000;
675 * p++ = 0x60000000;
676 * p++ = 0x60000000;
677 #endif
678 * p++ = 0x3c600000 | (((unsigned long)cpp_vtable_call) >> 16);
679 * p++ = 0x60630000 | (((unsigned long)cpp_vtable_call) & 0x0000FFFF);
680 * p++ = 0x7c6903a6;
681 * p++ = 0x3c600000 | (((unsigned long)functionIndex) >> 16);
682 * p++ = 0x60630000 | (((unsigned long)functionIndex) & 0x0000FFFF);
683 * p++ = 0x3c800000 | (((unsigned long)vtableOffset) >> 16);
684 * p++ = 0x60840000 | (((unsigned long)vtableOffset) & 0x0000FFFF);
685 * p++ = 0x38a1f800;
686 #ifndef __NO_FPRS__
687 * p++ = 0x38c1f820;
688 #else
689 * p++ = 0x38c00000;
690 #endif
691 * p++ = 0x38e10008;
692 * p++ = 0x4e800420;
693 return (code + codeSnippetSize);
694
695 }
696
697
698 }
699
700 void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const * bptr, unsigned char const * eptr)
701 {
702 int const lineSize = 32;
703 for (unsigned char const * p = bptr; p < eptr + lineSize; p += lineSize) {
704 __asm__ volatile ("dcbst 0, %0" : : "r"(p) : "memory");
705 }
706 __asm__ volatile ("sync" : : : "memory");
707 for (unsigned char const * p = bptr; p < eptr + lineSize; p += lineSize) {
708 __asm__ volatile ("icbi 0, %0" : : "r"(p) : "memory");
709 }
710 __asm__ volatile ("isync" : : : "memory");
711 }
712
713 struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; };
714
715 bridges::cpp_uno::shared::VtableFactory::Slot *
716 bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block)
717 {
718 return static_cast< Slot * >(block) + 2;
719 }
720
721 sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
722 sal_Int32 slotCount)
723 {
724 return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize;
725 }
726
727 bridges::cpp_uno::shared::VtableFactory::Slot *
728 bridges::cpp_uno::shared::VtableFactory::initializeBlock(
729 void * block, sal_Int32 slotCount)
730 {
731 Slot * slots = mapBlockToVtable(block);
732 slots[-2].fn = 0;
733 slots[-1].fn = 0;
734 return slots + slotCount;
735 }
736
737 unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
738 Slot ** slots, unsigned char * code, sal_PtrDiff writetoexecdiff,
739 typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset,
740 sal_Int32 functionCount, sal_Int32 vtableOffset)
741 {
742 (*slots) -= functionCount;
743 Slot * s = *slots;
744 // fprintf(stderr, "in addLocalFunctions functionOffset is %x\n",functionOffset);
745 // fprintf(stderr, "in addLocalFunctions vtableOffset is %x\n",vtableOffset);
746 // fflush(stderr);
747
748 for (sal_Int32 i = 0; i < type->nMembers; ++i) {
749 typelib_TypeDescription * member = 0;
750 TYPELIB_DANGER_GET(&member, type->ppMembers[i]);
751 OSL_ASSERT(member != 0);
752 switch (member->eTypeClass) {
753 case typelib_TypeClass_INTERFACE_ATTRIBUTE:
754 // Getter:
755 (s++)->fn = code + writetoexecdiff;
756 code = codeSnippet(
757 code, functionOffset++, vtableOffset,
758 bridges::cpp_uno::shared::isSimpleType(
759 reinterpret_cast<
760 typelib_InterfaceAttributeTypeDescription * >(
761 member)->pAttributeTypeRef));
762
763 // Setter:
764 if (!reinterpret_cast<
765 typelib_InterfaceAttributeTypeDescription * >(
766 member)->bReadOnly)
767 {
768 (s++)->fn = code + writetoexecdiff;
769 code = codeSnippet(code, functionOffset++, vtableOffset, true);
770 }
771 break;
772
773 case typelib_TypeClass_INTERFACE_METHOD:
774 (s++)->fn = code + writetoexecdiff;
775 code = codeSnippet(
776 code, functionOffset++, vtableOffset,
777 bridges::cpp_uno::shared::isSimpleType(
778 reinterpret_cast<
779 typelib_InterfaceMethodTypeDescription * >(
780 member)->pReturnTypeRef));
781 break;
782
783 default:
784 OSL_ASSERT(false);
785 break;
786 }
787 TYPELIB_DANGER_RELEASE(member);
788 }
789 return code;
790 }
791
792