bridges/source/cpp_uno/gcc3_linux_powerpc64/uno2cpp.cxx

   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 <sal/config.h>
  21
  22 #include <exception>
  23 #include <malloc.h>
  24 #include <typeinfo>
  25
  26 #include <com/sun/star/uno/Exception.hpp>
  27 #include <com/sun/star/uno/RuntimeException.hpp>
  28 #include <com/sun/star/uno/genfunc.hxx>
  29 #include <o3tl/runtimetooustring.hxx>
  30 #include <uno/data.h>
  31
  32 #include "bridge.hxx"
  33 #include "types.hxx"
  34 #include "unointerfaceproxy.hxx"
  35 #include "vtables.hxx"
  36
  37 #include "share.hxx"
  38
  39 #include <stdio.h>
  40 #include <string.h>
  41
  42
  43 using namespace ::com::sun::star::uno;
  44
  45 namespace ppc64
  46 {
  47 #if defined(_CALL_ELF) && _CALL_ELF == 2
  48     bool is_complex_struct(const typelib_TypeDescription * type)
  49     {
  50         const typelib_CompoundTypeDescription * p
  51             = reinterpret_cast< const typelib_CompoundTypeDescription * >(type);
  52         for (sal_Int32 i = 0; i < p->nMembers; ++i)
  53         {
  54             if (p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_STRUCT ||
  55                 p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_EXCEPTION)
  56             {
  57                 typelib_TypeDescription * t = 0;
  58                 TYPELIB_DANGER_GET(&t, p->ppTypeRefs[i]);
  59                 bool b = is_complex_struct(t);
  60                 TYPELIB_DANGER_RELEASE(t);
  61                 if (b) {
  62                     return true;
  63                 }
  64             }
  65             else if (!bridges::cpp_uno::shared::isSimpleType(p->ppTypeRefs[i]->eTypeClass))
  66                 return true;
  67         }
  68         if (p->pBaseTypeDescription != 0)
  69             return is_complex_struct(&p->pBaseTypeDescription->aBase);
  70         return false;
  71     }
  72 #endif
  73
  74     bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef )
  75     {
  76         if (bridges::cpp_uno::shared::isSimpleType(pTypeRef))
  77             return false;
  78 #if defined(_CALL_ELF) && _CALL_ELF == 2
  79         else if (pTypeRef->eTypeClass == typelib_TypeClass_STRUCT || pTypeRef->eTypeClass == typelib_TypeClass_EXCEPTION)
  80         {
  81             typelib_TypeDescription * pTypeDescr = 0;
  82             TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef );
  83
  84             //A Composite Type not larger than 16 bytes is returned in up to two GPRs
  85             bool bRet = pTypeDescr->nSize > 16 || is_complex_struct(pTypeDescr);
  86
  87             TYPELIB_DANGER_RELEASE( pTypeDescr );
  88             return bRet;
  89         }
  90 #endif
  91         return true;
  92     }
  93 }
  94
  95 void MapReturn(long r3, long r4, double dret, typelib_TypeDescriptionReference* pReturnType, void *pRegisterReturn)
  96 {
  97     switch (pReturnType->eTypeClass)
  98     {
  99     case typelib_TypeClass_HYPER:
 100     case typelib_TypeClass_UNSIGNED_HYPER:
 101             *reinterpret_cast<sal_uInt64 *>( pRegisterReturn ) = r3;
 102             break;
 103     case typelib_TypeClass_LONG:
 104     case typelib_TypeClass_UNSIGNED_LONG:
 105     case typelib_TypeClass_ENUM:
 106             *reinterpret_cast<sal_uInt32 *>( pRegisterReturn ) = r3;
 107             break;
 108     case typelib_TypeClass_CHAR:
 109     case typelib_TypeClass_SHORT:
 110     case typelib_TypeClass_UNSIGNED_SHORT:
 111             *reinterpret_cast<sal_uInt16 *>( pRegisterReturn ) = (unsigned short)r3;
 112             break;
 113     case typelib_TypeClass_BOOLEAN:
 114     case typelib_TypeClass_BYTE:
 115             *reinterpret_cast<sal_uInt8 *>( pRegisterReturn ) = (unsigned char)r3;
 116             break;
 117     case typelib_TypeClass_FLOAT:
 118             *reinterpret_cast<float *>( pRegisterReturn ) = dret;
 119         break;
 120     case typelib_TypeClass_DOUBLE:
 121             *reinterpret_cast<double *>( pRegisterReturn ) = dret;
 122             break;
 123 #if defined(_CALL_ELF) && _CALL_ELF == 2
 124     case typelib_TypeClass_STRUCT:
 125     case typelib_TypeClass_EXCEPTION:
 126             if (!ppc64::return_in_hidden_param(pReturnType))
 127             {
 128                 sal_uInt64 *pRegisters = reinterpret_cast<sal_uInt64*>(pRegisterReturn);
 129                 pRegisters[0] = r3;
 130                 if (pReturnType->pType->nSize > 8)
 131                     pRegisters[1] = r4;
 132             }
 133 #else
 134     (void)r4;
 135 #endif
 136     default:
 137             break;
 138     }
 139 }
 140
 141 namespace
 142 {
 143
 144 static void callVirtualMethod(void * pThis, sal_uInt32 nVtableIndex,
 145     void * pRegisterReturn, typelib_TypeDescription * pReturnTypeDescr,
 146         sal_uInt64 *pStack, sal_uInt32 nStack,
 147         sal_uInt64 *pGPR, sal_uInt32 nGPR,
 148         double *pFPR, sal_uInt32 nFPR)
 149 {
 150     // Stack, if used, must be 16-bytes aligned
 151     if ( nStack )
 152         nStack = ( nStack + 1 ) & ~1;
 153
 154     // Should not happen, but...
 155     if ( nFPR > ppc64::MAX_SSE_REGS )
 156         nFPR = ppc64::MAX_SSE_REGS;
 157     if ( nGPR > ppc64::MAX_GPR_REGS )
 158         nGPR = ppc64::MAX_GPR_REGS;
 159
 160 #if OSL_DEBUG_LEVEL > 2
 161         // Let's figure out what is really going on here
 162         {
 163                 fprintf( stderr, "= callVirtualMethod() =\nGPR's (%d): ", nGPR );
 164                 for ( sal_uInt32 i = 0; i < nGPR; ++i )
 165                         fprintf( stderr, "0x%lx, ", pGPR[i] );
 166                 fprintf( stderr, "\nFPR's (%d): ", nFPR );
 167                 for ( sal_uInt32 i = 0; i < nFPR; ++i )
 168                         fprintf( stderr, "0x%lx (%lf), ", (sal_Int64)pFPR[i], pFPR[i] );
 169                 fprintf( stderr, "\nStack (%d): ", nStack );
 170                 for ( sal_uInt32 i = 0; i < nStack; ++i )
 171                         fprintf( stderr, "0x%lx, ", pStack[i] );
 172                 fprintf( stderr, "\n" );
 173         }
 174 #endif
 175
 176     // Load parameters to stack, if necessary
 177     sal_uInt64 *stack = (sal_uInt64 *) __builtin_alloca( nStack * 8 );
 178     memcpy( stack, pStack, nStack * 8 );
 179
 180     // Get pointer to method
 181     sal_uInt64 pMethod = *((sal_uInt64 *)pThis);
 182     pMethod += 8 * nVtableIndex;
 183     pMethod = *((sal_uInt64 *)pMethod);
 184
 185 #if defined(_CALL_ELF) && _CALL_ELF == 2
 186     typedef void (* FunctionCall )(...);
 187 #else
 188     typedef void (* FunctionCall )( sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64 );
 189 #endif
 190     FunctionCall pFunc = (FunctionCall)pMethod;
 191
 192     volatile double dret;
 193
 194     //  fill registers
 195     __asm__ __volatile__ (
 196                 "lfd  1,  0(%0)\n\t"
 197                 "lfd  2,  8(%0)\n\t"
 198                 "lfd  3, 16(%0)\n\t"
 199                 "lfd  4, 24(%0)\n\t"
 200                 "lfd  5, 32(%0)\n\t"
 201                 "lfd  6, 40(%0)\n\t"
 202                 "lfd  7, 48(%0)\n\t"
 203                 "lfd  8, 56(%0)\n\t"
 204                 "lfd  9, 64(%0)\n\t"
 205                 "lfd 10, 72(%0)\n\t"
 206                 "lfd 11, 80(%0)\n\t"
 207                 "lfd 12, 88(%0)\n\t"
 208                 "lfd 13, 96(%0)\n\t"
 209                 : : "r" (pFPR)
 210               : "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7", "fr8", "fr9",
 211                 "fr10", "fr11", "fr12", "fr13"
 212     );
 213
 214     // tell gcc that r3 to r11 are not available to it for doing the TOC and exception munge on the func call
 215     register sal_uInt64 r3 asm("r3");
 216     register sal_uInt64 r4 asm("r4");
 217
 218     (*pFunc)(pGPR[0], pGPR[1], pGPR[2], pGPR[3], pGPR[4], pGPR[5], pGPR[6], pGPR[7]);
 219
 220     // get return value
 221     __asm__ __volatile__ (
 222                 "mr     %1,     3\n\t"
 223                 "mr     %2,     4\n\t"
 224                 "fmr    %0,     1\n\t"
 225                 : "=f" (dret), "=r" (r3), "=r" (r4) : );
 226
 227     MapReturn(r3, r4, dret, reinterpret_cast<typelib_TypeDescriptionReference *>(pReturnTypeDescr), pRegisterReturn);
 228 }
 229
 230 // Macros for easier insertion of values to registers or stack
 231 // pSV - pointer to the source
 232 // nr - order of the value [will be increased if stored to register]
 233 // pFPR, pGPR - pointer to the registers
 234 // pDS - pointer to the stack [will be increased if stored here]
 235
 236 // The value in %xmm register is already prepared to be retrieved as a float,
 237 // thus we treat float and double the same
 238 #define INSERT_FLOAT( pSV, nr, pFPR, nGPR, pDS, bOverflow ) \
 239         if ( nGPR < ppc64::MAX_GPR_REGS ) \
 240                 ++nGPR;                   \
 241         if ( nr < ppc64::MAX_SSE_REGS )   \
 242                 pFPR[nr++] = *reinterpret_cast<float *>( pSV ); \
 243         else \
 244             bOverflow = true; \
 245         if (bOverflow) \
 246                 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
 247
 248 #define INSERT_DOUBLE( pSV, nr, pFPR, nGPR, pDS, bOverflow ) \
 249         if ( nGPR < ppc64::MAX_GPR_REGS ) \
 250                 ++nGPR;                   \
 251         if ( nr < ppc64::MAX_SSE_REGS )   \
 252                 pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \
 253         else \
 254             bOverflow = true; \
 255         if (bOverflow) \
 256                 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
 257
 258 #define INSERT_INT64( pSV, nr, pGPR, pDS, bOverflow ) \
 259         if ( nr < ppc64::MAX_GPR_REGS ) \
 260                 pGPR[nr++] = *reinterpret_cast<sal_Int64 *>( pSV ); \
 261         else \
 262         bOverflow = true; \
 263     if (bOverflow) \
 264                 *pDS++ = *reinterpret_cast<sal_Int64 *>( pSV );
 265
 266 #define INSERT_UINT64( pSV, nr, pGPR, pDS, bOverflow ) \
 267         if ( nr < ppc64::MAX_GPR_REGS ) \
 268                 pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
 269         else \
 270         bOverflow = true; \
 271     if (bOverflow) \
 272                 *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV );
 273
 274 #define INSERT_INT32( pSV, nr, pGPR, pDS, bOverflow ) \
 275         if ( nr < ppc64::MAX_GPR_REGS ) \
 276                 pGPR[nr++] = *reinterpret_cast<sal_Int32 *>( pSV ); \
 277         else \
 278                 bOverflow = true; \
 279         if (bOverflow) \
 280                 *pDS++ = *reinterpret_cast<sal_Int32 *>( pSV );
 281
 282 #define INSERT_UINT32( pSV, nr, pGPR, pDS, bOverflow ) \
 283         if ( nr < ppc64::MAX_GPR_REGS ) \
 284                 pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
 285         else \
 286                 bOverflow = true; \
 287         if (bOverflow) \
 288                 *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
 289
 290 #define INSERT_INT16( pSV, nr, pGPR, pDS, bOverflow ) \
 291         if ( nr < ppc64::MAX_GPR_REGS ) \
 292                 pGPR[nr++] = *reinterpret_cast<sal_Int16 *>( pSV ); \
 293         else \
 294                 bOverflow = true; \
 295         if (bOverflow) \
 296                 *pDS++ = *reinterpret_cast<sal_Int16 *>( pSV );
 297
 298 #define INSERT_UINT16( pSV, nr, pGPR, pDS, bOverflow ) \
 299         if ( nr < ppc64::MAX_GPR_REGS ) \
 300                 pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
 301         else \
 302                 bOverflow = true; \
 303         if (bOverflow) \
 304                 *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
 305
 306 #define INSERT_INT8( pSV, nr, pGPR, pDS, bOverflow ) \
 307         if ( nr < ppc64::MAX_GPR_REGS ) \
 308                 pGPR[nr++] = *reinterpret_cast<sal_Int8 *>( pSV ); \
 309         else \
 310                 bOverflow = true; \
 311         if (bOverflow) \
 312                 *pDS++ = *reinterpret_cast<sal_Int8 *>( pSV );
 313
 314 #define INSERT_UINT8( pSV, nr, pGPR, pDS, bOverflow ) \
 315         if ( nr < ppc64::MAX_GPR_REGS ) \
 316                 pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
 317         else \
 318                 bOverflow = true; \
 319         if (bOverflow) \
 320                 *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
 321
 322 static void cpp_call(
 323     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
 324     bridges::cpp_uno::shared::VtableSlot  aVtableSlot,
 325     typelib_TypeDescriptionReference * pReturnTypeRef,
 326     sal_Int32 nParams, typelib_MethodParameter * pParams,
 327     void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
 328 {
 329 #if OSL_DEBUG_LEVEL > 2
 330     fprintf( stderr, "= cpp_call() =\n" );
 331 #endif
 332
 333       // max space for: [complex ret ptr], values|ptr ...
 334       sal_uInt64 * pStack = (sal_uInt64 *)alloca( (nParams+3) * sizeof(sal_Int64) );
 335       sal_uInt64 * pStackStart = pStack;
 336
 337     sal_uInt64 pGPR[ppc64::MAX_GPR_REGS];
 338     sal_uInt32 nGPR = 0;
 339
 340     double pFPR[ppc64::MAX_SSE_REGS];
 341     sal_uInt32 nFPR = 0;
 342
 343     // return
 344     typelib_TypeDescription * pReturnTypeDescr = 0;
 345     TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
 346     assert(pReturnTypeDescr);
 347
 348     void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
 349
 350     bool bOverflow = false;
 351
 352     if (pReturnTypeDescr)
 353     {
 354 #if OSL_DEBUG_LEVEL > 2
 355         fprintf(stderr, "return type is %d\n", pReturnTypeDescr->eTypeClass);
 356 #endif
 357         bool bSimpleReturn =!ppc64::return_in_hidden_param(pReturnTypeRef);
 358
 359         if (bSimpleReturn)
 360         {
 361             pCppReturn = pUnoReturn; // direct way for simple types
 362 #if OSL_DEBUG_LEVEL > 2
 363             fprintf(stderr, "simple return\n");
 364 #endif
 365         }
 366         else
 367         {
 368             // complex return via ptr
 369             pCppReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
 370                    ? alloca( pReturnTypeDescr->nSize ) : pUnoReturn);
 371 #if OSL_DEBUG_LEVEL > 2
 372             fprintf(stderr, "pCppReturn/pUnoReturn is %p/%p\n", pCppReturn, pUnoReturn);
 373 #endif
 374             INSERT_UINT64( &pCppReturn, nGPR, pGPR, pStack, bOverflow );
 375         }
 376     }
 377     // push "this" pointer
 378         void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset;
 379 #if OSL_DEBUG_LEVEL > 2
 380     fprintf(stderr, "this pointer is %p\n", pAdjustedThisPtr);
 381 #endif
 382     INSERT_UINT64( &pAdjustedThisPtr, nGPR, pGPR, pStack, bOverflow );
 383
 384         // Args
 385         void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams );
 386     // indices of values this have to be converted (interface conversion cpp<=>uno)
 387     sal_Int32 * pTempIndices = (sal_Int32 *)(pCppArgs + nParams);
 388     // type descriptions for reconversions
 389     typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
 390
 391     sal_Int32 nTempIndices   = 0;
 392
 393 #if OSL_DEBUG_LEVEL > 2
 394     fprintf(stderr, "n params is %d\n", nParams);
 395 #endif
 396
 397     for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
 398     {
 399         const typelib_MethodParameter & rParam = pParams[nPos];
 400         typelib_TypeDescription * pParamTypeDescr = 0;
 401         TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
 402
 403 #if OSL_DEBUG_LEVEL > 2
 404         fprintf(stderr, "param %d is %d %d %d\n", nPos, rParam.bOut, bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ),
 405             pParamTypeDescr->eTypeClass);
 406 #endif
 407
 408         if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ))
 409         {
 410             uno_copyAndConvertData( pCppArgs[nPos] = pStack, pUnoArgs[nPos], pParamTypeDescr,
 411                                     pThis->getBridge()->getUno2Cpp() );
 412                 switch (pParamTypeDescr->eTypeClass)
 413                         {
 414                         case typelib_TypeClass_HYPER:
 415 #if OSL_DEBUG_LEVEL > 2
 416                                 fprintf(stderr, "hyper is 0x%lx\n", *(sal_Int64 *)pCppArgs[nPos]);
 417 #endif
 418                                 INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
 419                                 break;
 420                         case typelib_TypeClass_UNSIGNED_HYPER:
 421 #if OSL_DEBUG_LEVEL > 2
 422                                 fprintf(stderr, "uhyper is 0x%lx\n", *(sal_Int64 *)pCppArgs[nPos]);
 423 #endif
 424                                 INSERT_UINT64( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
 425                                 break;
 426                         case typelib_TypeClass_LONG:
 427                         case typelib_TypeClass_ENUM:
 428 #if OSL_DEBUG_LEVEL > 2
 429                                 fprintf(stderr, "long is 0x%x\n", *(sal_Int32 *)pCppArgs[nPos]);
 430 #endif
 431                                 INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
 432                                 break;
 433                         case typelib_TypeClass_UNSIGNED_LONG:
 434 #if OSL_DEBUG_LEVEL > 2
 435                                 fprintf(stderr, "ulong is 0x%x\n", *(sal_Int32 *)pCppArgs[nPos]);
 436 #endif
 437                                 INSERT_UINT32( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
 438                                 break;
 439                         case typelib_TypeClass_SHORT:
 440                                 INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
 441                                 break;
 442                         case typelib_TypeClass_CHAR:
 443                         case typelib_TypeClass_UNSIGNED_SHORT:
 444                                 INSERT_UINT16( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
 445                                 break;
 446                         case typelib_TypeClass_BOOLEAN:
 447                                 INSERT_UINT8( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
 448                                 break;
 449                         case typelib_TypeClass_BYTE:
 450                                 INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack, bOverflow );
 451                                 break;
 452                         case typelib_TypeClass_FLOAT:
 453                                 INSERT_FLOAT( pCppArgs[nPos], nFPR, pFPR, nGPR, pStack, bOverflow );
 454                                 break;
 455                         case typelib_TypeClass_DOUBLE:
 456                                 INSERT_DOUBLE( pCppArgs[nPos], nFPR, pFPR, nGPR, pStack, bOverflow );
 457                                 break;
 458                         default:
 459                                 break;
 460                         }
 461
 462                         // no longer needed
 463                         TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 464
 465         }
 466         else // ptr to complex value | ref
 467         {
 468 #if OSL_DEBUG_LEVEL > 2
 469             fprintf(stderr, "complex type again %d\n", rParam.bIn);
 470 #endif
 471                         if (! rParam.bIn) // is pure out
 472                         {
 473 #if OSL_DEBUG_LEVEL > 2
 474                 fprintf(stderr, "complex size is %d\n", pParamTypeDescr->nSize );
 475 #endif
 476                                 // cpp out is constructed mem, uno out is not!
 477                                 uno_constructData(
 478                                         pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
 479                                         pParamTypeDescr );
 480                                 pTempIndices[nTempIndices] = nPos; // default constructed for cpp call
 481                                 // will be released at reconversion
 482                                 ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
 483                         }
 484                         // is in/inout
 485                         else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
 486                         {
 487 #if OSL_DEBUG_LEVEL > 2
 488                 fprintf(stderr, "this one\n");
 489 #endif
 490                                 uno_copyAndConvertData(
 491                                         pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
 492                                         pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
 493
 494                                 pTempIndices[nTempIndices] = nPos; // has to be reconverted
 495                                 // will be released at reconversion
 496                                 ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
 497                         }
 498                         else // direct way
 499                         {
 500 #if OSL_DEBUG_LEVEL > 2
 501                 fprintf(stderr, "that one, passing %p through\n", pUnoArgs[nPos]);
 502 #endif
 503                                 pCppArgs[nPos] = pUnoArgs[nPos];
 504                                 // no longer needed
 505                                 TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 506                         }
 507                         INSERT_UINT64( &(pCppArgs[nPos]), nGPR, pGPR, pStack, bOverflow );
 508         }
 509     }
 510
 511     try
 512     {
 513         try {
 514                callVirtualMethod(
 515                         pAdjustedThisPtr, aVtableSlot.index,
 516                         pCppReturn, pReturnTypeDescr,
 517                         pStackStart, ( pStack - pStackStart ),
 518                         pGPR, nGPR,
 519                         pFPR, nFPR );
 520         } catch (css::uno::Exception &) {
 521             throw;
 522         } catch (std::exception & e) {
 523             throw css::uno::RuntimeException(
 524                 "C++ code threw " + o3tl::runtimeToOUString(typeid(e).name()) + ": "
 525                 + o3tl::runtimeToOUString(e.what()));
 526         } catch (...) {
 527             throw css::uno::RuntimeException("C++ code threw unknown exception");
 528         }
 529         // NO exception occurred...
 530         *ppUnoExc = 0;
 531
 532         // reconvert temporary params
 533         for ( ; nTempIndices--; )
 534         {
 535             sal_Int32 nIndex = pTempIndices[nTempIndices];
 536             typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
 537
 538             if (pParams[nIndex].bIn)
 539             {
 540                 if (pParams[nIndex].bOut) // inout
 541                 {
 542                     uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
 543                     uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
 544                                             pThis->getBridge()->getCpp2Uno() );
 545                 }
 546             }
 547             else // pure out
 548             {
 549                 uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
 550                                         pThis->getBridge()->getCpp2Uno() );
 551             }
 552             // destroy temp cpp param => cpp: every param was constructed
 553             uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
 554
 555             TYPELIB_DANGER_RELEASE( pParamTypeDescr );
 556         }
 557         // return value
 558         if (pCppReturn && pUnoReturn != pCppReturn)
 559         {
 560             uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
 561                                     pThis->getBridge()->getCpp2Uno() );
 562             uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
 563         }
 564     }
 565     catch (...)
 566     {
 567         // fill uno exception
 568         CPPU_CURRENT_NAMESPACE::fillUnoException(*ppUnoExc, pThis->getBridge()->getCpp2Uno());
 569
 570         // temporary params
 571         for ( ; nTempIndices--; )
 572         {
 573             sal_Int32 nIndex = pTempIndices[nTempIndices];
 574             // destroy temp cpp param => cpp: every param was constructed
 575             uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release );
 576             TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
 577         }
 578         // return type
 579         if (pReturnTypeDescr)
 580             TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
 581     }
 582 }
 583
 584 }
 585
 586 namespace bridges::cpp_uno::shared {
 587
 588 void unoInterfaceProxyDispatch(
 589     uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
 590     void * pReturn, void * pArgs[], uno_Any ** ppException )
 591 {
 592     // is my surrogate
 593     bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
 594         = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy *> (pUnoI);
 595
 596     switch (pMemberDescr->eTypeClass)
 597     {
 598     case typelib_TypeClass_INTERFACE_ATTRIBUTE:
 599     {
 600
 601         VtableSlot aVtableSlot(
 602             getVtableSlot(
 603                 reinterpret_cast<
 604                     typelib_InterfaceAttributeTypeDescription const * >(
 605                         pMemberDescr)));
 606
 607         if (pReturn)
 608         {
 609             // dependent dispatch
 610             cpp_call(
 611                 pThis, aVtableSlot,
 612                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
 613                 0, 0, // no params
 614                 pReturn, pArgs, ppException );
 615         }
 616         else
 617         {
 618             // is SET
 619             typelib_MethodParameter aParam;
 620             aParam.pTypeRef =
 621                 ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
 622             aParam.bIn      = sal_True;
 623             aParam.bOut     = sal_False;
 624
 625             typelib_TypeDescriptionReference * pReturnTypeRef = 0;
 626             OUString aVoidName("void");
 627             typelib_typedescriptionreference_new(
 628                 &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
 629
 630             // dependent dispatch
 631                         aVtableSlot.index += 1; //get then set method
 632             cpp_call(
 633                 pThis, aVtableSlot,
 634                 pReturnTypeRef,
 635                 1, &aParam,
 636                 pReturn, pArgs, ppException );
 637
 638             typelib_typedescriptionreference_release( pReturnTypeRef );
 639         }
 640
 641         break;
 642     }
 643     case typelib_TypeClass_INTERFACE_METHOD:
 644     {
 645
 646         VtableSlot aVtableSlot(
 647             getVtableSlot(
 648                 reinterpret_cast<
 649                     typelib_InterfaceMethodTypeDescription const * >(
 650                         pMemberDescr)));
 651         switch (aVtableSlot.index)
 652         {
 653             // standard calls
 654         case 1: // acquire uno interface
 655             (*pUnoI->acquire)( pUnoI );
 656             *ppException = 0;
 657             break;
 658         case 2: // release uno interface
 659             (*pUnoI->release)( pUnoI );
 660             *ppException = 0;
 661             break;
 662         case 0: // queryInterface() opt
 663         {
 664             typelib_TypeDescription * pTD = 0;
 665             TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
 666             if (pTD)
 667             {
 668                 uno_Interface * pInterface = 0;
 669                 (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)(
 670                     pThis->pBridge->getUnoEnv(),
 671                     (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
 672
 673                 if (pInterface)
 674                 {
 675                     ::uno_any_construct(
 676                         reinterpret_cast< uno_Any * >( pReturn ),
 677                         &pInterface, pTD, 0 );
 678                     (*pInterface->release)( pInterface );
 679                     TYPELIB_DANGER_RELEASE( pTD );
 680                     *ppException = 0;
 681                     break;
 682                 }
 683                 TYPELIB_DANGER_RELEASE( pTD );
 684             }
 685         } // else perform queryInterface()
 686         default:
 687             // dependent dispatch
 688             cpp_call(
 689                 pThis, aVtableSlot,
 690                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
 691                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
 692                 ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
 693                 pReturn, pArgs, ppException );
 694         }
 695         break;
 696     }
 697     default:
 698     {
 699         ::com::sun::star::uno::RuntimeException aExc(
 700             "illegal member type description!",
 701             ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
 702
 703         Type const & rExcType = cppu::UnoType<decltype(aExc)>::get();
 704         // binary identical null reference
 705         ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
 706     }
 707     }
 708 }
 709
 710 }
 711
 712 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */