LibreOffice Module bridges (master) 1
gcc3_linux_arm/uno2cpp.cxx
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1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20#include <malloc.h>
21#include <rtl/alloc.h>
22
23#include <com/sun/star/uno/genfunc.hxx>
24#include <com/sun/star/uno/Exception.hpp>
25#include <com/sun/star/uno/RuntimeException.hpp>
27#include <uno/data.h>
28
29#include <bridge.hxx>
30#include <types.hxx>
31#include <unointerfaceproxy.hxx>
32#include <vtables.hxx>
33
34#include "share.hxx"
35
36#include <exception>
37#include <stdio.h>
38#include <string.h>
39#include <typeinfo>
40
41/*
42 * Based on http://gcc.gnu.org/PR41443
43 * References to __SOFTFP__ are incorrect for EABI; the __SOFTFP__ code
44 * should be used for *soft-float ABI* whether or not VFP is enabled,
45 * and __SOFTFP__ does specifically mean soft-float not soft-float ABI.
46 *
47 * Changing the conditionals to __SOFTFP__ || __ARM_EABI__ then
48 * -mfloat-abi=softfp should work. -mfloat-abi=hard won't; that would
49 * need both a new macro to identify the hard-VFP ABI.
50 */
51#if !defined(__ARM_EABI__) && !defined(__SOFTFP__)
52#error Not Implemented
53
54/*
55 some possibly handy code to detect that we have VFP registers
56 */
57
58#include <sys/types.h>
59#include <sys/stat.h>
60#include <fcntl.h>
61#include <unistd.h>
62#include <elf.h>
63
64#define HWCAP_ARM_VFP 64
65
66int hasVFP()
67{
68 int fd = open ("/proc/self/auxv", O_RDONLY);
69 if (fd == -1)
70 return -1;
71
72 int ret = -1;
73
74 Elf32_auxv_t buf[128];
75 ssize_t n;
76 while ((ret == -1) && ((n = read(fd, buf, sizeof (buf))) > 0))
77 {
78 for (int i = 0; i < 128; ++i)
79 {
80 if (buf[i].a_type == AT_HWCAP)
81 {
82 ret = (buf[i].a_un.a_val & HWCAP_ARM_VFP) ? true : false;
83 break;
84 }
85 else if (buf[i].a_type == AT_NULL)
86 {
87 ret = -2;
88 break;
89 }
90 }
91 }
92
93 close (fd);
94 return ret;
95}
96
97#endif
98
99using namespace ::com::sun::star::uno;
100
101namespace arm
102{
104 {
105 const typelib_CompoundTypeDescription * p
106 = reinterpret_cast< const typelib_CompoundTypeDescription * >(type);
107 for (sal_Int32 i = 0; i < p->nMembers; ++i)
108 {
109 if (p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_STRUCT ||
110 p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_EXCEPTION)
111 {
112 typelib_TypeDescription * t = nullptr;
113 TYPELIB_DANGER_GET(&t, p->ppTypeRefs[i]);
114 bool b = is_complex_struct(t);
115 TYPELIB_DANGER_RELEASE(t);
116 if (b) {
117 return true;
118 }
119 }
120 else if (!bridges::cpp_uno::shared::isSimpleType(p->ppTypeRefs[i]->eTypeClass))
121 return true;
122 }
123 if (p->pBaseTypeDescription != nullptr)
124 return is_complex_struct(&p->pBaseTypeDescription->aBase);
125 return false;
126 }
127
128#ifdef __ARM_PCS_VFP
129 static bool is_float_only_struct(const typelib_TypeDescription * type)
130 {
131 const typelib_CompoundTypeDescription * p
132 = reinterpret_cast< const typelib_CompoundTypeDescription * >(type);
133 for (sal_Int32 i = 0; i < p->nMembers; ++i)
134 {
135 if (p->ppTypeRefs[i]->eTypeClass != typelib_TypeClass_FLOAT &&
136 p->ppTypeRefs[i]->eTypeClass != typelib_TypeClass_DOUBLE)
137 return false;
138 }
139 return true;
140 }
141#endif
142 bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef )
143 {
145 return false;
146 else if (pTypeRef->eTypeClass == typelib_TypeClass_STRUCT || pTypeRef->eTypeClass == typelib_TypeClass_EXCEPTION)
147 {
148 typelib_TypeDescription * pTypeDescr = nullptr;
149 TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
150
151 //A Composite Type not larger than 4 bytes is returned in r0
152 bool bRet = pTypeDescr->nSize > 4 || is_complex_struct(pTypeDescr);
153
154#ifdef __ARM_PCS_VFP
155 // In the VFP ABI, structs with only float/double values that fit in
156 // 16 bytes are returned in registers
157 if( pTypeDescr->nSize <= 16 && is_float_only_struct(pTypeDescr))
158 bRet = false;
159#endif
160
161 TYPELIB_DANGER_RELEASE( pTypeDescr );
162 return bRet;
163 }
164 return true;
165 }
166}
167
168static void MapReturn(sal_uInt32 r0, sal_uInt32 r1, typelib_TypeDescriptionReference * pReturnType, sal_uInt32* pRegisterReturn)
169{
170 switch( pReturnType->eTypeClass )
171 {
172 case typelib_TypeClass_HYPER:
173 case typelib_TypeClass_UNSIGNED_HYPER:
174 pRegisterReturn[1] = r1;
175 [[fallthrough]];
176 case typelib_TypeClass_LONG:
177 case typelib_TypeClass_UNSIGNED_LONG:
178 case typelib_TypeClass_ENUM:
179 case typelib_TypeClass_CHAR:
180 case typelib_TypeClass_SHORT:
181 case typelib_TypeClass_UNSIGNED_SHORT:
182 case typelib_TypeClass_BOOLEAN:
183 case typelib_TypeClass_BYTE:
184 pRegisterReturn[0] = r0;
185 break;
186 case typelib_TypeClass_FLOAT:
187#if !defined(__ARM_PCS_VFP) && (defined(__ARM_EABI__) || defined(__SOFTFP__))
188 pRegisterReturn[0] = r0;
189#else
190#if defined __clang__
191#pragma clang diagnostic push
192#pragma clang diagnostic ignored "-Wuninitialized"
193#endif
194 register float fret asm("s0");
195 *reinterpret_cast<float *>(pRegisterReturn) = fret;
196#if defined __clang__
197#pragma clang diagnostic pop
198#endif
199#endif
200 break;
201 case typelib_TypeClass_DOUBLE:
202#if !defined(__ARM_PCS_VFP) && (defined(__ARM_EABI__) || defined(__SOFTFP__))
203 pRegisterReturn[1] = r1;
204 pRegisterReturn[0] = r0;
205#else
206#if defined __clang__
207#pragma clang diagnostic push
208#pragma clang diagnostic ignored "-Wuninitialized"
209#endif
210 register double dret asm("d0");
211 *reinterpret_cast<double *>(pRegisterReturn) = dret;
212#if defined __clang__
213#pragma clang diagnostic pop
214#endif
215#endif
216 break;
217 case typelib_TypeClass_STRUCT:
218 case typelib_TypeClass_EXCEPTION:
219 {
220 if (!arm::return_in_hidden_param(pReturnType))
221 pRegisterReturn[0] = r0;
222 break;
223 }
224 default:
225 break;
226 }
227}
228
229namespace
230{
231
233 void * pThis,
234 sal_Int32 nVtableIndex,
235 void * pRegisterReturn,
236 typelib_TypeDescriptionReference * pReturnType,
237 sal_uInt32 *pStack,
238 sal_uInt32 nStack,
239 sal_uInt32 *pGPR,
240 sal_uInt32 nGPR,
241 double *pFPR) __attribute__((noinline));
242
244 void * pThis,
245 sal_Int32 nVtableIndex,
246 void * pRegisterReturn,
247 typelib_TypeDescriptionReference * pReturnType,
248 sal_uInt32 *pStack,
249 sal_uInt32 nStack,
250 sal_uInt32 *pGPR,
251 sal_uInt32 nGPR,
252 double *pFPR)
253{
254 // never called
255 if (! pThis)
256 CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything("xxx"); // address something
257
258 if ( nStack )
259 {
260 // 8-bytes aligned
261 sal_uInt32 nStackBytes = ( ( nStack + 1 ) >> 1 ) * 8;
262 sal_uInt32 *stack = static_cast<sal_uInt32 *>(__builtin_alloca( nStackBytes ));
263 memcpy( stack, pStack, nStackBytes );
264 }
265
266 // Should not happen, but...
267 if ( nGPR > arm::MAX_GPR_REGS )
268 nGPR = arm::MAX_GPR_REGS;
269
270 sal_uInt32 pMethod = *static_cast<sal_uInt32 *>(pThis);
271 pMethod += 4 * nVtableIndex;
272 pMethod = *reinterpret_cast<sal_uInt32 *>(pMethod);
273
274 //Return registers
275 sal_uInt32 r0;
276 sal_uInt32 r1;
277
278 __asm__ __volatile__ (
279 //Fill in general purpose register arguments
280 "ldr r4, %[pgpr]\n\t"
281 "ldmia r4, {r0-r3}\n\t"
282
283#ifdef __ARM_PCS_VFP
284 //Fill in VFP register arguments as double precision values
285 "ldr r4, %[pfpr]\n\t"
286 "vldmia r4, {d0-d7}\n\t"
287#endif
288 //Make the call
289 "ldr r5, %[pmethod]\n\t"
290#ifndef __ARM_ARCH_4T__
291 "blx r5\n\t"
292#else
293 "mov lr, pc ; bx r5\n\t"
294#endif
295
296 //Fill in return values
297 "mov %[r0], r0\n\t"
298 "mov %[r1], r1\n\t"
299 : [r0]"=r" (r0), [r1]"=r" (r1)
300 : [pmethod]"m" (pMethod), [pgpr]"m" (pGPR), [pfpr]"m" (pFPR)
301 : "r0", "r1", "r2", "r3", "r4", "r5");
302
303 MapReturn(r0, r1, pReturnType, static_cast<sal_uInt32*>(pRegisterReturn));
304}
305}
306
307#define INSERT_INT32( pSV, nr, pGPR, pDS ) \
308 if ( nr < arm::MAX_GPR_REGS ) \
309 pGPR[nr++] = *reinterpret_cast<const sal_uInt32*>( pSV ); \
310 else \
311 *pDS++ = *reinterpret_cast<const sal_uInt32*>( pSV );
312
313#ifdef __ARM_EABI__
314#define INSERT_INT64( pSV, nr, pGPR, pDS, pStart ) \
315 if ( (nr < arm::MAX_GPR_REGS) && (nr % 2) ) \
316 { \
317 ++nr; \
318 } \
319 if ( nr < arm::MAX_GPR_REGS ) \
320 { \
321 pGPR[nr++] = *static_cast<const sal_uInt32 *>( pSV ); \
322 pGPR[nr++] = *(static_cast<const sal_uInt32 *>( pSV ) + 1); \
323 } \
324 else \
325 { \
326 if ( (pDS - pStart) % 2) \
327 { \
328 ++pDS; \
329 } \
330 *pDS++ = static_cast<sal_uInt32 *>( pSV )[0]; \
331 *pDS++ = static_cast<sal_uInt32 *>( pSV )[1]; \
332 }
333#else
334#define INSERT_INT64( pSV, nr, pGPR, pDS, pStart ) \
335 INSERT_INT32( pSV, nr, pGPR, pDS ) \
336 INSERT_INT32( ((sal_uInt32*)pSV)+1, nr, pGPR, pDS )
337#endif
338
339#ifdef __ARM_PCS_VFP
340// Since single and double arguments share the same register bank the filling of the
341// registers is not always linear. Single values go to the first available single register,
342// while doubles need to have an 8 byte alignment, so only go into double registers starting
343// at every other single register. For ex a float, double, float sequence will fill registers
344// s0, d1, and s1, actually corresponding to the linear order s0,s1, d1.
345//
346// These use the single/double register array and counters and ignore the pGPR argument
347// nSR and nDR are the number of single and double precision registers that are no longer
348// available
349#define INSERT_FLOAT( pSV, nr, pGPR, pDS ) \
350 if (nSR % 2 == 0) {\
351 nSR = 2*nDR; \
352 }\
353 if ( nSR < arm::MAX_FPR_REGS*2 ) {\
354 pSPR[nSR++] = *static_cast<float const *>( pSV ); \
355 if ((nSR % 2 == 1) && (nSR > 2*nDR)) {\
356 nDR++; \
357 }\
358 }\
359 else \
360 {\
361 *pDS++ = *static_cast<float const *>( pSV );\
362 }
363#define INSERT_DOUBLE( pSV, nr, pGPR, pDS, pStart ) \
364 if ( nDR < arm::MAX_FPR_REGS ) { \
365 pFPR[nDR++] = *static_cast<double const *>( pSV ); \
366 }\
367 else\
368 {\
369 if ( (pDS - pStart) % 2) \
370 { \
371 ++pDS; \
372 } \
373 *reinterpret_cast<double *>(pDS) = *static_cast<double const *>( pSV );\
374 pDS += 2;\
375 }
376#else
377#define INSERT_FLOAT( pSV, nr, pFPR, pDS ) \
378 INSERT_INT32( pSV, nr, pGPR, pDS )
379
380#define INSERT_DOUBLE( pSV, nr, pFPR, pDS, pStart ) \
381 INSERT_INT64( pSV, nr, pGPR, pDS, pStart )
382#endif
383
384#define INSERT_INT16( pSV, nr, pGPR, pDS ) \
385 if ( nr < arm::MAX_GPR_REGS ) \
386 pGPR[nr++] = *static_cast<sal_uInt16 const *>( pSV ); \
387 else \
388 *pDS++ = *static_cast<sal_uInt16 const *>( pSV );
389
390#define INSERT_INT8( pSV, nr, pGPR, pDS ) \
391 if ( nr < arm::MAX_GPR_REGS ) \
392 pGPR[nr++] = *static_cast<sal_uInt8 const *>( pSV ); \
393 else \
394 *pDS++ = *static_cast<sal_uInt8 const *>( pSV );
395
396namespace {
397
398void cpp_call(
401 typelib_TypeDescriptionReference * pReturnTypeRef,
402 sal_Int32 nParams, typelib_MethodParameter * pParams,
403 void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
404{
405 // max space for: [complex ret ptr], values|ptr ...
406 sal_uInt32 * pStack = static_cast<sal_uInt32 *>(__builtin_alloca(
407 sizeof(sal_Int32) + ((nParams+2) * sizeof(sal_Int64)) ));
408 sal_uInt32 * pStackStart = pStack;
409
410 sal_uInt32 pGPR[arm::MAX_GPR_REGS];
411 sal_uInt32 nGPR = 0;
412
413 // storage and counters for single and double precision VFP registers
414 double pFPR[arm::MAX_FPR_REGS];
415#ifdef __ARM_PCS_VFP
416 sal_uInt32 nDR = 0;
417 float *pSPR = reinterpret_cast< float *>(&pFPR);
418 sal_uInt32 nSR = 0;
419#endif
420
421 // return
422 typelib_TypeDescription * pReturnTypeDescr = nullptr;
423 TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
424 assert(pReturnTypeDescr);
425
426 void * pCppReturn = nullptr; // if != 0 && != pUnoReturn, needs reconversion
427
428 if (pReturnTypeDescr)
429 {
430 bool bSimpleReturn = !arm::return_in_hidden_param( pReturnTypeRef );
431
432 if (bSimpleReturn)
433 pCppReturn = pUnoReturn; // direct way for simple types
434 else
435 {
436 // complex return via ptr
437 pCppReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
438 ? __builtin_alloca( pReturnTypeDescr->nSize )
439 : pUnoReturn); // direct way
440
441 INSERT_INT32( &pCppReturn, nGPR, pGPR, pStack );
442 }
443 }
444 // push this
445 void * pAdjustedThisPtr = reinterpret_cast< void ** >(pThis->getCppI())
446 + aVtableSlot.offset;
447 INSERT_INT32( &pAdjustedThisPtr, nGPR, pGPR, pStack );
448
449 // stack space
450 static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!");
451 // args
452 void ** pCppArgs = static_cast<void **>(alloca( 3 * sizeof(void *) * nParams ));
453 // indices of values this have to be converted (interface conversion cpp<=>uno)
454 sal_Int32 * pTempIndices = reinterpret_cast<sal_Int32 *>(pCppArgs + nParams);
455 // type descriptions for reconversions
456 typelib_TypeDescription ** ppTempParamTypeDescr = reinterpret_cast<typelib_TypeDescription **>(pCppArgs + (2 * nParams));
457
458 sal_Int32 nTempIndices = 0;
459
460 for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
461 {
462 const typelib_MethodParameter & rParam = pParams[nPos];
463 typelib_TypeDescription * pParamTypeDescr = nullptr;
464 TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
465
466 if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
467 {
468// uno_copyAndConvertData( pCppArgs[nPos] = pStack, pUnoArgs[nPos],
469 uno_copyAndConvertData( pCppArgs[nPos] = alloca(8), pUnoArgs[nPos],
470 pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
471
472 switch (pParamTypeDescr->eTypeClass)
473 {
474 case typelib_TypeClass_HYPER:
475 case typelib_TypeClass_UNSIGNED_HYPER:
476#if OSL_DEBUG_LEVEL > 2
477 fprintf(stderr, "hyper is %p\n", pCppArgs[nPos]);
478#endif
479 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack, pStackStart );
480 break;
481 case typelib_TypeClass_LONG:
482 case typelib_TypeClass_UNSIGNED_LONG:
483 case typelib_TypeClass_ENUM:
484#if OSL_DEBUG_LEVEL > 2
485 fprintf(stderr, "long is %p\n", pCppArgs[nPos]);
486#endif
487 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack );
488 break;
489 case typelib_TypeClass_SHORT:
490 case typelib_TypeClass_CHAR:
491 case typelib_TypeClass_UNSIGNED_SHORT:
492 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack );
493 break;
494 case typelib_TypeClass_BOOLEAN:
495 case typelib_TypeClass_BYTE:
496 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack );
497 break;
498 case typelib_TypeClass_FLOAT:
499 INSERT_FLOAT( pCppArgs[nPos], nGPR, pGPR, pStack );
500 break;
501 case typelib_TypeClass_DOUBLE:
502 INSERT_DOUBLE( pCppArgs[nPos], nGPR, pGPR, pStack, pStackStart );
503 break;
504 default:
505 break;
506 }
507 // no longer needed
508 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
509 }
510 else // ptr to complex value | ref
511 {
512 if (! rParam.bIn) // is pure out
513 {
514 // cpp out is constructed mem, uno out is not!
516 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
517 pParamTypeDescr );
518 pTempIndices[nTempIndices] = nPos; // default constructed for cpp call
519 // will be released at reconversion
520 ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
521 }
522 // is in/inout
523 else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
524 {
526 pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
527 pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
528
529 pTempIndices[nTempIndices] = nPos; // has to be reconverted
530 // will be released at reconversion
531 ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
532 }
533 else // direct way
534 {
535 pCppArgs[nPos] = pUnoArgs[nPos];
536 // no longer needed
537 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
538 }
539 INSERT_INT32( &(pCppArgs[nPos]), nGPR, pGPR, pStack );
540 }
541 }
542
543 try
544 {
545 try {
547 pAdjustedThisPtr, aVtableSlot.index,
548 pCppReturn, pReturnTypeRef,
549 pStackStart,
550 (pStack - pStackStart),
551 pGPR, nGPR,
552 pFPR);
553 } catch (css::uno::Exception &) {
554 throw;
555 } catch (std::exception & e) {
556 throw css::uno::RuntimeException(
557 "C++ code threw " + o3tl::runtimeToOUString(typeid(e).name()) + ": "
558 + o3tl::runtimeToOUString(e.what()));
559 } catch (...) {
560 throw css::uno::RuntimeException("C++ code threw unknown exception");
561 }
562
563 // NO exception occurred...
564 *ppUnoExc = nullptr;
565
566 // reconvert temporary params
567 for ( ; nTempIndices--; )
568 {
569 sal_Int32 nIndex = pTempIndices[nTempIndices];
570 typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
571
572 if (pParams[nIndex].bIn)
573 {
574 if (pParams[nIndex].bOut) // inout
575 {
576 uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, nullptr ); // destroy uno value
577 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
578 pThis->getBridge()->getCpp2Uno() );
579 }
580 }
581 else // pure out
582 {
583 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
584 pThis->getBridge()->getCpp2Uno() );
585 }
586 // destroy temp cpp param => cpp: every param was constructed
587 uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
588
589 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
590 }
591 // return value
592 if (pCppReturn && pUnoReturn != pCppReturn)
593 {
594 uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
595 pThis->getBridge()->getCpp2Uno() );
596 uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
597 }
598 }
599 catch (...)
600 {
601 // fill uno exception
603
604 // temporary params
605 for ( ; nTempIndices--; )
606 {
607 sal_Int32 nIndex = pTempIndices[nTempIndices];
608 // destroy temp cpp param => cpp: every param was constructed
609 uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release );
610 TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
611 }
612
613 // return type
614 if (pReturnTypeDescr)
615 TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
616 }
617}
618}
619
620namespace bridges::cpp_uno::shared {
621
623 uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
624 void * pReturn, void * pArgs[], uno_Any ** ppException )
625{
626 // is my surrogate
628 = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy * >(pUnoI);
629#if OSL_DEBUG_LEVEL > 0
630 typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr;
631#endif
632
633 switch (pMemberDescr->eTypeClass)
634 {
635 case typelib_TypeClass_INTERFACE_ATTRIBUTE:
636 {
637#if OSL_DEBUG_LEVEL > 0
638 // determine vtable call index
639 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
640 assert(nMemberPos < pTypeDescr->nAllMembers);
641#endif
642
643 VtableSlot aVtableSlot(
645 reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>
646 (pMemberDescr)));
647
648 if (pReturn)
649 {
650 // dependent dispatch
651 cpp_call(
652 pThis, aVtableSlot,
653 reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>(pMemberDescr)->pAttributeTypeRef,
654 0, nullptr, // no params
655 pReturn, pArgs, ppException );
656 }
657 else
658 {
659 // is SET
660 typelib_MethodParameter aParam;
661 aParam.pTypeRef =
662 reinterpret_cast<typelib_InterfaceAttributeTypeDescription const *>(pMemberDescr)->pAttributeTypeRef;
663 aParam.bIn = true;
664 aParam.bOut = false;
665
666 typelib_TypeDescriptionReference * pReturnTypeRef = nullptr;
667 OUString aVoidName("void");
669 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
670
671 // dependent dispatch
672 aVtableSlot.index += 1;
673 cpp_call(
674 pThis, aVtableSlot, // get, then set method
675 pReturnTypeRef,
676 1, &aParam,
677 pReturn, pArgs, ppException );
678
680 }
681
682 break;
683 }
684 case typelib_TypeClass_INTERFACE_METHOD:
685 {
686#if OSL_DEBUG_LEVEL > 0
687 // determine vtable call index
688 sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition;
689 assert(nMemberPos < pTypeDescr->nAllMembers);
690#endif
691
692 VtableSlot aVtableSlot(
694 reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>
695 (pMemberDescr)));
696
697 switch (aVtableSlot.index)
698 {
699 // standard calls
700 case 1: // acquire uno interface
701 (*pUnoI->acquire)( pUnoI );
702 *ppException = nullptr;
703 break;
704 case 2: // release uno interface
705 (*pUnoI->release)( pUnoI );
706 *ppException = nullptr;
707 break;
708 case 0: // queryInterface() opt
709 {
710 typelib_TypeDescription * pTD = nullptr;
711 TYPELIB_DANGER_GET( &pTD, static_cast< Type * >( pArgs[0] )->getTypeLibType() );
712 if (pTD)
713 {
714 uno_Interface * pInterface = nullptr;
715 (*pThis->getBridge()->getUnoEnv()->getRegisteredInterface)(
716 pThis->getBridge()->getUnoEnv(),
717 reinterpret_cast<void **>(&pInterface), pThis->oid.pData, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTD) );
718
719 if (pInterface)
720 {
721 ::uno_any_construct(
722 static_cast< uno_Any * >( pReturn ),
723 &pInterface, pTD, nullptr );
724 (*pInterface->release)( pInterface );
725 TYPELIB_DANGER_RELEASE( pTD );
726 *ppException = nullptr;
727 break;
728 }
729 TYPELIB_DANGER_RELEASE( pTD );
730 }
731 } [[fallthrough]]; // else perform queryInterface()
732 default:
733 // dependent dispatch
734 cpp_call(
735 pThis, aVtableSlot,
736 reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberDescr)->pReturnTypeRef,
737 reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberDescr)->nParams,
738 reinterpret_cast<typelib_InterfaceMethodTypeDescription const *>(pMemberDescr)->pParams,
739 pReturn, pArgs, ppException );
740 }
741 break;
742 }
743 default:
744 {
745 ::com::sun::star::uno::RuntimeException aExc(
746 "illegal member type description!",
748
749 Type const & rExcType = cppu::UnoType<decltype(aExc)>::get();
750 // binary identical null reference
751 ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), nullptr );
752 }
753 }
754}
755
756}
757
758/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
XPropertyListType t
uno_Mapping * getUno2Cpp()
Definition: bridge.hxx:73
uno_ExtEnvironment * getUnoEnv()
Definition: bridge.hxx:70
uno_Mapping * getCpp2Uno()
Definition: bridge.hxx:72
A uno proxy wrapping a cpp interface.
com::sun::star::uno::XInterface * getCppI()
typelib_InterfaceTypeDescription * pTypeDescr
void SAL_CALL uno_destructData(void *pValue, typelib_TypeDescription *pTypeDescr, uno_ReleaseFunc release) SAL_THROW_EXTERN_C()
void SAL_CALL uno_constructData(void *pMem, typelib_TypeDescription *pTypeDescr) SAL_THROW_EXTERN_C()
void SAL_CALL uno_copyAndConvertData(void *pDest, void *pSource, typelib_TypeDescription *pTypeDescr, uno_Mapping *mapping) SAL_THROW_EXTERN_C()
bool close
char const * name
#define INSERT_DOUBLE(pSV, nr, pFPR, pDS, pStart)
#define INSERT_INT32(pSV, nr, pGPR, pDS)
#define HWCAP_ARM_VFP
#define INSERT_INT8(pSV, nr, pGPR, pDS)
int hasVFP()
#define INSERT_FLOAT(pSV, nr, pFPR, pDS)
#define INSERT_INT16(pSV, nr, pGPR, pDS)
#define INSERT_INT64(pSV, nr, pGPR, pDS, pStart)
static void MapReturn(sal_uInt32 r0, sal_uInt32 r1, typelib_TypeDescriptionReference *pReturnType, sal_uInt32 *pRegisterReturn)
register sal_uInt32 r28 __asm__("%r28")
void callVirtualMethod(void *pThis, sal_uInt32 nVtableIndex, void *pRegisterReturn, typelib_TypeDescription *pReturnTypeDescr, bool bRegisterReturn, sal_uInt32 *pStack, sal_uInt32 nStack, sal_uInt32 *pGPR, double *pFPR) __attribute__((noinline))
static void cpp_call(bridges::cpp_uno::shared::UnoInterfaceProxy *pThis, bridges::cpp_uno::shared::VtableSlot aVtableSlot, typelib_TypeDescriptionReference *pReturnTypeRef, sal_Int32 nParams, typelib_MethodParameter *pParams, void *pUnoReturn, void *pUnoArgs[], uno_Any **ppUnoExc)
sal_Int32 nIndex
void * p
sal_Int64 n
sal_uInt16 nPos
struct _typelib_TypeDescription typelib_TypeDescription
Definition: msvc/except.hxx:52
struct _uno_Any uno_Any
Definition: msvc/except.hxx:31
void dummy_can_throw_anything(char const *)
void fillUnoException(uno_Any *pExc, uno_Mapping *pCpp2Uno)
@ MAX_FPR_REGS
@ MAX_GPR_REGS
static bool is_complex_struct(const typelib_TypeDescription *type)
bool return_in_hidden_param(typelib_TypeDescriptionReference *pTypeRef)
void unoInterfaceProxyDispatch(uno_Interface *pUnoI, const typelib_TypeDescription *pMemberDescr, void *pReturn, void *pArgs[], uno_Any **ppException)
VtableSlot getVtableSlot(typelib_InterfaceAttributeTypeDescription const *ifcMember)
Calculates the vtable slot associated with an interface attribute member.
Definition: vtables.cxx:132
bool isSimpleType(typelib_TypeClass typeClass)
Determines whether a type is a "simple" type (VOID, BOOLEAN, BYTE, SHORT, UNSIGNED SHORT,...
Definition: types.cxx:28
bool relatesToInterfaceType(typelib_TypeDescription const *type)
Determines whether a type relates to an interface type (is itself an interface type,...
Definition: types.cxx:41
Type
int i
OUString runtimeToOUString(char const *runtimeString)
Represents a vtable slot of a C++ class.
Definition: vtables.hxx:60
sal_Int32 index
The index within the vtable.
Definition: vtables.hxx:76
sal_Int32 offset
The offset of the vtable.
Definition: vtables.hxx:68
void SAL_CALL typelib_typedescriptionreference_new(typelib_TypeDescriptionReference **ppTDR, typelib_TypeClass eTypeClass, rtl_uString *pTypeName) SAL_THROW_EXTERN_C()
void SAL_CALL typelib_typedescriptionreference_release(typelib_TypeDescriptionReference *pRef) SAL_THROW_EXTERN_C()
ResultType type
unsigned _Unwind_Word __attribute__((__mode__(__word__)))
Definition: unwind-cxx.h:45