From 940b4d1848e8c70ab7642901a68594e8016caffc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 18:51:28 +0200 Subject: Adding upstream version 1:7.0.4. Signed-off-by: Daniel Baumann --- .../source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx | 785 +++++++++++++++++++++ .../source/cpp_uno/gcc3_linux_powerpc/except.cxx | 258 +++++++ .../source/cpp_uno/gcc3_linux_powerpc/share.hxx | 86 +++ .../source/cpp_uno/gcc3_linux_powerpc/uno2cpp.cxx | 686 ++++++++++++++++++ 4 files changed, 1815 insertions(+) create mode 100644 bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx create mode 100644 bridges/source/cpp_uno/gcc3_linux_powerpc/except.cxx create mode 100644 bridges/source/cpp_uno/gcc3_linux_powerpc/share.hxx create mode 100644 bridges/source/cpp_uno/gcc3_linux_powerpc/uno2cpp.cxx (limited to 'bridges/source/cpp_uno/gcc3_linux_powerpc') diff --git a/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx new file mode 100644 index 000000000..521dccd6d --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_powerpc/cpp2uno.cxx @@ -0,0 +1,785 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + +#include + +#include +#include +#include +#include + +#include "bridge.hxx" +#include "cppinterfaceproxy.hxx" +#include "types.hxx" +#include "vtablefactory.hxx" + +#include "share.hxx" + + +using namespace ::com::sun::star::uno; + +namespace +{ + +static typelib_TypeClass cpp2uno_call( + bridges::cpp_uno::shared::CppInterfaceProxy * pThis, + const typelib_TypeDescription * pMemberTypeDescr, + typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return + sal_Int32 nParams, typelib_MethodParameter * pParams, + void ** gpreg, void ** fpreg, void ** ovrflw, + sal_Int64 * pRegisterReturn /* space for register return */ ) +{ + int ng = 0; //number of gpr registers used +#ifndef __NO_FPRS__ + int nf = 0; //number of fpr registers used +#endif + void ** pCppStack; //temporary stack pointer + + // gpreg: [ret *], this, [gpr params] + // fpreg: [fpr params] + // ovrflw: [gpr or fpr params (properly aligned)] + + // return + typelib_TypeDescription * pReturnTypeDescr = 0; + if (pReturnTypeRef) + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + + void * pUnoReturn = 0; + void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need + + if (pReturnTypeDescr) + { + if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr )) + { + pUnoReturn = pRegisterReturn; // direct way for simple types + } + else // complex return via ptr (pCppReturn) + { + pCppReturn = *(void **)gpreg; + gpreg++; + ng++; + + pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ) + : pCppReturn); // direct way + } + } + // pop this + gpreg++; + ng++; + + // stack space + static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!"); + // parameters + void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams ); + void ** pCppArgs = pUnoArgs + nParams; + // indices of values this have to be converted (interface conversion cpp<=>uno) + sal_Int32 * pTempIndices = (sal_Int32 *)(pUnoArgs + (2 * nParams)); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams)); + + sal_Int32 nTempIndices = 0; + + for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos ) + { + const typelib_MethodParameter & rParam = pParams[nPos]; + typelib_TypeDescription * pParamTypeDescr = 0; + TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef ); + + if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) + // value + { + + switch (pParamTypeDescr->eTypeClass) + { + + case typelib_TypeClass_DOUBLE: +#ifndef __NO_FPRS__ + if (nf < 8) { + pCppArgs[nPos] = fpreg; + pUnoArgs[nPos] = fpreg; + nf++; + fpreg += 2; +#else + if (ng & 1) { + ng++; + gpreg++; + } + if (ng < 8) { + pCppArgs[nPos] = gpreg; + pUnoArgs[nPos] = gpreg; + ng += 2; + gpreg += 2; +#endif + } else { + if (((long)ovrflw) & 4) ovrflw++; + pCppArgs[nPos] = ovrflw; + pUnoArgs[nPos] = ovrflw; + ovrflw += 2; + } + break; + + case typelib_TypeClass_FLOAT: + // fpreg are all double values so need to + // modify fpreg to be a single word float value +#ifndef __NO_FPRS__ + if (nf < 8) { + float tmp = (float) (*((double *)fpreg)); + (*((float *) fpreg)) = tmp; + pCppArgs[nPos] = fpreg; + pUnoArgs[nPos] = fpreg; + nf++; + fpreg += 2; +#else + if (ng < 8) { + pCppArgs[nPos] = gpreg; + pUnoArgs[nPos] = gpreg; + ng++; + gpreg++; +#endif + } else { +#if 0 /* abi is not being followed correctly */ + if (((long)ovrflw) & 4) ovrflw++; + float tmp = (float) (*((double *)ovrflw)); + (*((float *) ovrflw)) = tmp; + pCppArgs[nPos] = ovrflw; + pUnoArgs[nPos] = ovrflw; + ovrflw += 2; +#else + pCppArgs[nPos] = ovrflw; + pUnoArgs[nPos] = ovrflw; + ovrflw += 1; +#endif + } + break; + + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + if (ng & 1) { + ng++; + gpreg++; + } + if (ng < 8) { + pCppArgs[nPos] = gpreg; + pUnoArgs[nPos] = gpreg; + ng += 2; + gpreg += 2; + } else { + if (((long)ovrflw) & 4) ovrflw++; + pCppArgs[nPos] = ovrflw; + pUnoArgs[nPos] = ovrflw; + ovrflw += 2; + } + break; + + case typelib_TypeClass_BYTE: + case typelib_TypeClass_BOOLEAN: + if (ng < 8) { + pCppArgs[nPos] = (((char *)gpreg) + 3); + pUnoArgs[nPos] = (((char *)gpreg) + 3); + ng++; + gpreg++; + } else { + pCppArgs[nPos] = (((char *)ovrflw) + 3); + pUnoArgs[nPos] = (((char *)ovrflw) + 3); + ovrflw++; + } + break; + + + case typelib_TypeClass_CHAR: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + if (ng < 8) { + pCppArgs[nPos] = (((char *)gpreg)+ 2); + pUnoArgs[nPos] = (((char *)gpreg)+ 2); + ng++; + gpreg++; + } else { + pCppArgs[nPos] = (((char *)ovrflw) + 2); + pUnoArgs[nPos] = (((char *)ovrflw) + 2); + ovrflw++; + } + break; + + + default: + if (ng < 8) { + pCppArgs[nPos] = gpreg; + pUnoArgs[nPos] = gpreg; + ng++; + gpreg++; + } else { + pCppArgs[nPos] = ovrflw; + pUnoArgs[nPos] = ovrflw; + ovrflw++; + } + break; + + } + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + else // ptr to complex value | ref + { + + if (ng < 8) { + pCppArgs[nPos] = *(void **)gpreg; + pCppStack = gpreg; + ng++; + gpreg++; + } else { + pCppArgs[nPos] = *(void **)ovrflw; + pCppStack = ovrflw; + ovrflw++; + } + + if (! rParam.bIn) // is pure out + { + // uno out is unconstructed mem! + pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ); + pTempIndices[nTempIndices] = nPos; + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + // is in/inout + else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr )) + { + uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ), + *(void **)pCppStack, pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + pTempIndices[nTempIndices] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + else // direct way + { + pUnoArgs[nPos] = *(void **)pCppStack; + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + } + } + + // ExceptionHolder + uno_Any aUnoExc; // Any will be constructed by callee + uno_Any * pUnoExc = &aUnoExc; + + // invoke uno dispatch call + (*pThis->getUnoI()->pDispatcher)( pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc ); + + // in case an exception occurred... + if (pUnoExc) + { + // destruct temporary in/inout params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + + if (pParams[nIndex].bIn) // is in/inout => was constructed + uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndices], 0 ); + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] ); + } + if (pReturnTypeDescr) + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + + CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc, pThis->getBridge()->getUno2Cpp() ); + // has to destruct the any + // is here for dummy + return typelib_TypeClass_VOID; + } + else // else no exception occurred... + { + // temporary params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices]; + + if (pParams[nIndex].bOut) // inout/out + { + // convert and assign + uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release ); + uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + } + // destroy temp uno param + uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); + + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + // return + if (pCppReturn) // has complex return + { + if (pUnoReturn != pCppReturn) // needs reconversion + { + uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + // destroy temp uno return + uno_destructData( pUnoReturn, pReturnTypeDescr, 0 ); + } + // complex return ptr is set to return reg + *(void **)pRegisterReturn = pCppReturn; + } + if (pReturnTypeDescr) + { + typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass; + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + return eRet; + } + else + return typelib_TypeClass_VOID; + } +} + + +static typelib_TypeClass cpp_mediate( + sal_Int32 nFunctionIndex, + sal_Int32 nVtableOffset, + void ** gpreg, void ** fpreg, void ** ovrflw, + sal_Int64 * pRegisterReturn /* space for register return */ ) +{ + static_assert(sizeof(sal_Int32)==sizeof(void *), "### unexpected!"); + + // gpreg: [ret *], this, [other gpr params] + // fpreg: [fpr params] + // ovrflw: [gpr or fpr params (properly aligned)] + + void * pThis; + if (nFunctionIndex & 0x80000000 ) + { + nFunctionIndex &= 0x7fffffff; + pThis = gpreg[1]; + } + else + { + pThis = gpreg[0]; + } + + pThis = static_cast< char * >(pThis) - nVtableOffset; + bridges::cpp_uno::shared::CppInterfaceProxy * pCppI + = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( + pThis); + + typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr(); + + if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex) + { + SAL_WARN( + "bridges", + "illegal " << OUString::unacquired(&pTypeDescr->aBase.pTypeName) + << " vtable index " << nFunctionIndex << "/" + << pTypeDescr->nMapFunctionIndexToMemberIndex); + throw RuntimeException( + ("illegal " + OUString::unacquired(&pTypeDescr->aBase.pTypeName) + + " vtable index " + OUString::number(nFunctionIndex) + "/" + + OUString::number(pTypeDescr->nMapFunctionIndexToMemberIndex)), + (XInterface *)pThis); + } + + // determine called method + sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; + assert(nMemberPos < pTypeDescr->nAllMembers); + + TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] ); + + typelib_TypeClass eRet; + switch (aMemberDescr.get()->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { + if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex) + { + // is GET method + eRet = cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef, + 0, 0, // no params + gpreg, fpreg, ovrflw, pRegisterReturn ); + } + else + { + // is SET method + typelib_MethodParameter aParam; + aParam.pTypeRef = + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef; + aParam.bIn = sal_True; + aParam.bOut = sal_False; + + eRet = cpp2uno_call( + pCppI, aMemberDescr.get(), + 0, // indicates void return + 1, &aParam, + gpreg, fpreg, ovrflw, pRegisterReturn ); + } + break; + } + case typelib_TypeClass_INTERFACE_METHOD: + { + // is METHOD + switch (nFunctionIndex) + { + case 1: // acquire() + pCppI->acquireProxy(); // non virtual call! + eRet = typelib_TypeClass_VOID; + break; + case 2: // release() + pCppI->releaseProxy(); // non virtual call! + eRet = typelib_TypeClass_VOID; + break; + case 0: // queryInterface() opt + { + typelib_TypeDescription * pTD = 0; + TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( gpreg[2] )->getTypeLibType() ); + if (pTD) + { + XInterface * pInterface = 0; + (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)( + pCppI->getBridge()->getCppEnv(), + (void **)&pInterface, pCppI->getOid().pData, + (typelib_InterfaceTypeDescription *)pTD ); + + if (pInterface) + { + ::uno_any_construct( + reinterpret_cast< uno_Any * >( gpreg[0] ), + &pInterface, pTD, cpp_acquire ); + pInterface->release(); + TYPELIB_DANGER_RELEASE( pTD ); + *(void **)pRegisterReturn = gpreg[0]; + eRet = typelib_TypeClass_ANY; + break; + } + TYPELIB_DANGER_RELEASE( pTD ); + } + } // else perform queryInterface() + default: + eRet = cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pReturnTypeRef, + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->nParams, + ((typelib_InterfaceMethodTypeDescription *)aMemberDescr.get())->pParams, + gpreg, fpreg, ovrflw, pRegisterReturn ); + } + break; + } + default: + { + throw RuntimeException( "no member description found!", (XInterface *)pThis ); + } + } + + return eRet; +} + +/** + * is called on incoming vtable calls + * (called by asm snippets) + */ +static void cpp_vtable_call( int nFunctionIndex, int nVtableOffset, void** gpregptr, void** fpregptr, void** ovrflw) +{ + sal_Int32 gpreg[8]; + memcpy( gpreg, gpregptr, 32); + +#ifndef __NO_FPRS__ + double fpreg[8]; + memcpy( fpreg, fpregptr, 64); +#endif + + volatile long nRegReturn[2]; + + // fprintf(stderr,"in cpp_vtable_call nFunctionIndex is %x\n",nFunctionIndex); + // fprintf(stderr,"in cpp_vtable_call nVtableOffset is %x\n",nVtableOffset); + // fflush(stderr); + + typelib_TypeClass aType = + cpp_mediate( nFunctionIndex, nVtableOffset, (void**)gpreg, +#ifndef __NO_FPRS__ + (void**)fpreg, +#else + NULL, +#endif + ovrflw, (sal_Int64*)nRegReturn ); + + switch( aType ) + { + + // move return value into register space + // (will be loaded by machine code snippet) + + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + __asm__( "lbz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); + break; + + case typelib_TypeClass_CHAR: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + __asm__( "lhz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); + break; + + case typelib_TypeClass_FLOAT: +#ifndef __NO_FPRS__ + __asm__( "lfs 1,%0\n\t" : : + "m" (*((float*)nRegReturn)) ); + #else + __asm__( "lwz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); +#endif + break; + + case typelib_TypeClass_DOUBLE: +#ifndef __NO_FPRS__ + __asm__( "lfd 1,%0\n\t" : : + "m" (*((double*)nRegReturn)) ); +#else + __asm__( "lwz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); + __asm__( "lwz 4,%0\n\t" : : + "m"(nRegReturn[1]) ); +#endif + break; + + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + __asm__( "lwz 4,%0\n\t" : : + "m"(nRegReturn[1]) ); // fall through + + default: + __asm__( "lwz 3,%0\n\t" : : + "m"(nRegReturn[0]) ); + break; + } +} + + +int const codeSnippetSize = 108; + +unsigned char * codeSnippet( unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset, + bool simpleRetType) +{ + + // fprintf(stderr,"in codeSnippet functionIndex is %x\n", functionIndex); + // fprintf(stderr,"in codeSnippet vtableOffset is %x\n", vtableOffset); + // fflush(stderr); + + if (! simpleRetType ) + functionIndex |= 0x80000000; + + unsigned long * p = (unsigned long *) code; + + // static_assert( sizeof (long) == 4 ); + assert((((unsigned long)code) & 0x3) == 0 ); //aligned to 4 otherwise a mistake + + /* generate this code */ + // # so first save gpr 3 to gpr 10 (aligned to 4) + // stw r3,-2048(r1) + // stw r4,-2044(r1) + // stw r5,-2040(r1) + // stw r6,-2036(r1) + // stw r7,-2032(r1) + // stw r8,-2028(r1) + // stw r9,-2024(r1) + // stw r10,-2020(r1) + + + // # next save fpr 1 to fpr 8 (aligned to 8) + // if dedicated floating point registers are used + // stfd f1,-2016(r1) + // stfd f2,-2008(r1) + // stfd f3,-2000(r1) + // stfd f4,-1992(r1) + // stfd f5,-1984(r1) + // stfd f6,-1976(r1) + // stfd f7,-1968(r1) + // stfd f8,-1960(r1) + + // # now here is where cpp_vtable_call must go + // lis r3,-8531 + // ori r3,r3,48879 + // mtctr r3 + + // # now load up the functionIndex + // lis r3,-8531 + // ori r3,r3,48879 + + // # now load up the vtableOffset + // lis r4,-8531 + // ori r4,r4,48879 + + // #now load up the pointer to the saved gpr registers + // addi r5,r1,-2048 + + // #now load up the pointer to the saved fpr registers + // addi r6,r1,-2016 + // if no dedicated floating point registers are used then we have NULL + // pointer there + // li r6, 0 + + // #now load up the pointer to the overflow call stack + // addi r7,r1,8 + // bctr + + * p++ = 0x9061f800; + * p++ = 0x9081f804; + * p++ = 0x90a1f808; + * p++ = 0x90c1f80c; + * p++ = 0x90e1f810; + * p++ = 0x9101f814; + * p++ = 0x9121f818; + * p++ = 0x9141f81c; +#ifndef __NO_FPRS__ + * p++ = 0xd821f820; + * p++ = 0xd841f828; + * p++ = 0xd861f830; + * p++ = 0xd881f838; + * p++ = 0xd8a1f840; + * p++ = 0xd8c1f848; + * p++ = 0xd8e1f850; + * p++ = 0xd901f858; +#else + /* these nops could be replaced with a smaller codeSnippetSize - 8 * 4 */ + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; + * p++ = 0x60000000; +#endif + * p++ = 0x3c600000 | (((unsigned long)cpp_vtable_call) >> 16); + * p++ = 0x60630000 | (((unsigned long)cpp_vtable_call) & 0x0000FFFF); + * p++ = 0x7c6903a6; + * p++ = 0x3c600000 | (((unsigned long)functionIndex) >> 16); + * p++ = 0x60630000 | (((unsigned long)functionIndex) & 0x0000FFFF); + * p++ = 0x3c800000 | (((unsigned long)vtableOffset) >> 16); + * p++ = 0x60840000 | (((unsigned long)vtableOffset) & 0x0000FFFF); + * p++ = 0x38a1f800; +#ifndef __NO_FPRS__ + * p++ = 0x38c1f820; +#else + * p++ = 0x38c00000; +#endif + * p++ = 0x38e10008; + * p++ = 0x4e800420; + return (code + codeSnippetSize); + +} + + +} + +void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const * bptr, unsigned char const * eptr) +{ + int const lineSize = 32; + for (unsigned char const * p = bptr; p < eptr + lineSize; p += lineSize) { + __asm__ volatile ("dcbst 0, %0" : : "r"(p) : "memory"); + } + __asm__ volatile ("sync" : : : "memory"); + for (unsigned char const * p = bptr; p < eptr + lineSize; p += lineSize) { + __asm__ volatile ("icbi 0, %0" : : "r"(p) : "memory"); + } + __asm__ volatile ("isync" : : : "memory"); +} + +struct bridges::cpp_uno::shared::VtableFactory::Slot { void * fn; }; + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable(void * block) +{ + return static_cast< Slot * >(block) + 2; +} + +std::size_t bridges::cpp_uno::shared::VtableFactory::getBlockSize( + sal_Int32 slotCount) +{ + return (slotCount + 2) * sizeof (Slot) + slotCount * codeSnippetSize; +} + +bridges::cpp_uno::shared::VtableFactory::Slot * +bridges::cpp_uno::shared::VtableFactory::initializeBlock( + void * block, sal_Int32 slotCount, sal_Int32, + typelib_InterfaceTypeDescription *) +{ + Slot * slots = mapBlockToVtable(block); + slots[-2].fn = 0; + slots[-1].fn = 0; + return slots + slotCount; +} + +unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions( + Slot ** slots, unsigned char * code, sal_PtrDiff writetoexecdiff, + typelib_InterfaceTypeDescription const * type, sal_Int32 functionOffset, + sal_Int32 functionCount, sal_Int32 vtableOffset) +{ + (*slots) -= functionCount; + Slot * s = *slots; + // fprintf(stderr, "in addLocalFunctions functionOffset is %x\n",functionOffset); + // fprintf(stderr, "in addLocalFunctions vtableOffset is %x\n",vtableOffset); + // fflush(stderr); + + for (sal_Int32 i = 0; i < type->nMembers; ++i) { + typelib_TypeDescription * member = 0; + TYPELIB_DANGER_GET(&member, type->ppMembers[i]); + assert(member != 0); + switch (member->eTypeClass) { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + // Getter: + (s++)->fn = code + writetoexecdiff; + code = codeSnippet( + code, functionOffset++, vtableOffset, + bridges::cpp_uno::shared::isSimpleType( + reinterpret_cast< + typelib_InterfaceAttributeTypeDescription * >( + member)->pAttributeTypeRef)); + + // Setter: + if (!reinterpret_cast< + typelib_InterfaceAttributeTypeDescription * >( + member)->bReadOnly) + { + (s++)->fn = code + writetoexecdiff; + code = codeSnippet(code, functionOffset++, vtableOffset, true); + } + break; + + case typelib_TypeClass_INTERFACE_METHOD: + (s++)->fn = code + writetoexecdiff; + code = codeSnippet( + code, functionOffset++, vtableOffset, + bridges::cpp_uno::shared::isSimpleType( + reinterpret_cast< + typelib_InterfaceMethodTypeDescription * >( + member)->pReturnTypeRef)); + break; + + default: + assert(false); + break; + } + TYPELIB_DANGER_RELEASE(member); + } + return code; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/gcc3_linux_powerpc/except.cxx b/bridges/source/cpp_uno/gcc3_linux_powerpc/except.cxx new file mode 100644 index 000000000..ec26bc496 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_powerpc/except.cxx @@ -0,0 +1,258 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + + +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include "share.hxx" + +using namespace ::std; +using namespace ::osl; +using namespace ::com::sun::star::uno; +using namespace ::__cxxabiv1; + + +namespace CPPU_CURRENT_NAMESPACE +{ + +void dummy_can_throw_anything( char const * ) +{ +} + +static OUString toUNOname( char const * p ) +{ +#if OSL_DEBUG_LEVEL > 1 + char const * start = p; +#endif + + // example: N3com3sun4star4lang24IllegalArgumentExceptionE + + OUStringBuffer buf( 64 ); + assert( 'N' == *p ); + ++p; // skip N + + while ('E' != *p) + { + // read chars count + long n = (*p++ - '0'); + while ('0' <= *p && '9' >= *p) + { + n *= 10; + n += (*p++ - '0'); + } + buf.appendAscii( p, n ); + p += n; + if ('E' != *p) + buf.append( '.' ); + } + +#if OSL_DEBUG_LEVEL > 1 + OUString ret( buf.makeStringAndClear() ); + OString c_ret( OUStringToOString( ret, RTL_TEXTENCODING_ASCII_US ) ); + fprintf( stderr, "> toUNOname(): %s => %s\n", start, c_ret.getStr() ); + return ret; +#else + return buf.makeStringAndClear(); +#endif +} + +class RTTI +{ + typedef std::unordered_map< OUString, type_info * > t_rtti_map; + + Mutex m_mutex; + t_rtti_map m_rttis; + t_rtti_map m_generatedRttis; + + void * m_hApp; + +public: + RTTI(); + ~RTTI(); + + type_info * getRTTI( typelib_CompoundTypeDescription * ); +}; + +RTTI::RTTI() + : m_hApp( dlopen( 0, RTLD_LAZY ) ) +{ +} + +RTTI::~RTTI() +{ + dlclose( m_hApp ); +} + + +type_info * RTTI::getRTTI( typelib_CompoundTypeDescription *pTypeDescr ) +{ + type_info * rtti; + + OUString const & unoName = *(OUString const *)&pTypeDescr->aBase.pTypeName; + + MutexGuard guard( m_mutex ); + t_rtti_map::const_iterator iRttiFind( m_rttis.find( unoName ) ); + if (iRttiFind == m_rttis.end()) + { + // RTTI symbol + OStringBuffer buf( 64 ); + buf.append( "_ZTIN" ); + sal_Int32 index = 0; + do + { + OUString token( unoName.getToken( 0, '.', index ) ); + buf.append( token.getLength() ); + OString c_token( OUStringToOString( token, RTL_TEXTENCODING_ASCII_US ) ); + buf.append( c_token ); + } + while (index >= 0); + buf.append( 'E' ); + + OString symName( buf.makeStringAndClear() ); + rtti = (type_info *)dlsym( m_hApp, symName.getStr() ); + + if (rtti) + { + pair< t_rtti_map::iterator, bool > insertion( + m_rttis.insert( t_rtti_map::value_type( unoName, rtti ) ) ); + assert(insertion.second && "### inserting new rtti failed?!"); + } + else + { + // try to lookup the symbol in the generated rtti map + t_rtti_map::const_iterator iFind( m_generatedRttis.find( unoName ) ); + if (iFind == m_generatedRttis.end()) + { + // we must generate it ! + // symbol and rtti-name is nearly identical, + // the symbol is prefixed with _ZTI + char const * rttiName = symName.getStr() +4; +#if OSL_DEBUG_LEVEL > 1 + fprintf( stderr,"generated rtti for %s\n", rttiName ); +#endif + if (pTypeDescr->pBaseTypeDescription) + { + // ensure availability of base + type_info * base_rtti = getRTTI( + (typelib_CompoundTypeDescription *)pTypeDescr->pBaseTypeDescription ); + rtti = new __si_class_type_info( + strdup( rttiName ), (__class_type_info *)base_rtti ); + } + else + { + // this class has no base class + rtti = new __class_type_info( strdup( rttiName ) ); + } + + pair< t_rtti_map::iterator, bool > insertion( + m_generatedRttis.insert( t_rtti_map::value_type( unoName, rtti ) ) ); + assert(insertion.second && "### inserting new generated rtti failed?!"); + } + else // taking already generated rtti + { + rtti = iFind->second; + } + } + } + else + { + rtti = iRttiFind->second; + } + + return rtti; +} + + +static void deleteException( void * pExc ) +{ + __cxa_exception const * header = ((__cxa_exception const *)pExc - 1); + typelib_TypeDescription * pTD = 0; + OUString unoName( toUNOname( header->exceptionType->name() ) ); + ::typelib_typedescription_getByName( &pTD, unoName.pData ); + assert(pTD && "### unknown exception type! leaving out destruction => leaking!!!"); + if (pTD) + { + ::uno_destructData( pExc, pTD, cpp_release ); + ::typelib_typedescription_release( pTD ); + } +} + + +void raiseException( uno_Any * pUnoExc, uno_Mapping * pUno2Cpp ) +{ + void * pCppExc; + type_info * rtti; + + { + // construct cpp exception object + typelib_TypeDescription * pTypeDescr = 0; + TYPELIB_DANGER_GET( &pTypeDescr, pUnoExc->pType ); + assert(pTypeDescr); + if (! pTypeDescr) + terminate(); + + pCppExc = __cxa_allocate_exception( pTypeDescr->nSize ); + ::uno_copyAndConvertData( pCppExc, pUnoExc->pData, pTypeDescr, pUno2Cpp ); + + // destruct uno exception + ::uno_any_destruct( pUnoExc, 0 ); + // avoiding locked counts + static RTTI rtti_data; + rtti = (type_info*)rtti_data.getRTTI((typelib_CompoundTypeDescription*)pTypeDescr); + TYPELIB_DANGER_RELEASE( pTypeDescr ); + if (! rtti) + terminate(); + } + + __cxa_throw( pCppExc, rtti, deleteException ); +} + +void fillUnoException(uno_Any * pExc, uno_Mapping * pCpp2Uno) +{ + __cxa_exception * header = __cxa_get_globals()->caughtExceptions; + if (! header) + terminate(); + + std::type_info *exceptionType = __cxa_current_exception_type(); + + typelib_TypeDescription * pExcTypeDescr = 0; + OUString unoName( toUNOname( exceptionType->name() ) ); + ::typelib_typedescription_getByName( &pExcTypeDescr, unoName.pData ); + if (! pExcTypeDescr) + terminate(); + + // construct uno exception any + ::uno_any_constructAndConvert( pExc, header->adjustedPtr, pExcTypeDescr, pCpp2Uno ); + ::typelib_typedescription_release( pExcTypeDescr ); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/gcc3_linux_powerpc/share.hxx b/bridges/source/cpp_uno/gcc3_linux_powerpc/share.hxx new file mode 100644 index 000000000..b29b0df7a --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_powerpc/share.hxx @@ -0,0 +1,86 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ +#ifndef INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_LINUX_POWERPC_SHARE_HXX +#define INCLUDED_BRIDGES_SOURCE_CPP_UNO_GCC3_LINUX_POWERPC_SHARE_HXX + +#include "uno/mapping.h" + +#include +#include +#include + +namespace CPPU_CURRENT_NAMESPACE +{ + + void dummy_can_throw_anything( char const * ); + + +// ----- following decl from libstdc++-v3/libsupc++/unwind-cxx.h and unwind.h + +struct _Unwind_Exception +{ + unsigned exception_class __attribute__((__mode__(__DI__))); + void * exception_cleanup; + unsigned private_1 __attribute__((__mode__(__word__))); + unsigned private_2 __attribute__((__mode__(__word__))); +} __attribute__((__aligned__)); + +struct __cxa_exception +{ + std::type_info *exceptionType; + void (*exceptionDestructor)(void *); + + void (*unexpectedHandler)(); // std::unexpected_handler dropped from C++17 + std::terminate_handler terminateHandler; + + __cxa_exception *nextException; + + int handlerCount; + + int handlerSwitchValue; + const unsigned char *actionRecord; + const unsigned char *languageSpecificData; + void *catchTemp; + void *adjustedPtr; + + _Unwind_Exception unwindHeader; +}; + +extern "C" void *__cxa_allocate_exception( + std::size_t thrown_size ) throw(); +extern "C" void __cxa_throw ( + void *thrown_exception, std::type_info *tinfo, void (*dest) (void *) ) __attribute__((noreturn)); + +struct __cxa_eh_globals +{ + __cxa_exception *caughtExceptions; + unsigned int uncaughtExceptions; +}; + +extern "C" __cxa_eh_globals *__cxa_get_globals () throw(); +extern "C" std::type_info *__cxa_current_exception_type() throw(); + +void raiseException( + uno_Any * pUnoExc, uno_Mapping * pUno2Cpp ); + +void fillUnoException(uno_Any *, uno_Mapping * pCpp2Uno); +} + +#endif +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/bridges/source/cpp_uno/gcc3_linux_powerpc/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_linux_powerpc/uno2cpp.cxx new file mode 100644 index 000000000..cce78ba95 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_powerpc/uno2cpp.cxx @@ -0,0 +1,686 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include + +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "bridge.hxx" +#include "types.hxx" +#include "unointerfaceproxy.hxx" +#include "vtables.hxx" + +#include "share.hxx" + + +using namespace ::com::sun::star::uno; + +namespace +{ + + +static void callVirtualMethod( + void * pAdjustedThisPtr, + sal_Int32 nVtableIndex, + void * pRegisterReturn, + typelib_TypeClass eReturnType, + char * pPT, + sal_Int32 * pStackLongs, + sal_Int32 nStackLongs) +{ + + // parameter list is mixed list of * and values + // reference parameters are pointers + + // the basic idea here is to use gpr[8] as a storage area for + // the future values of registers r3 to r10 needed for the call, + // and similarly fpr[8] as a storage area for the future values + // of floating point registers f1 to f8 + + unsigned long * mfunc; // actual function to be invoked + int gpr[8]; // storage for gpregisters, map to r3-r10 + int off; // offset used to find function +#ifndef __NO_FPRS__ + double fpr[8]; // storage for fpregisters, map to f1-f8 + int f; // number of fprs mapped so far + double dret; // temporary function return values +#endif + int n; // number of gprs mapped so far + long *p; // pointer to parameter overflow area + int c; // character of parameter type being decoded + int iret, iret2; + + // Because of the Power PC calling conventions we could be passing + // parameters in both register types and on the stack. To create the + // stack parameter area we need we now simply allocate local + // variable storage param[] that is at least the size of the parameter stack + // (more than enough space) which we can overwrite the parameters into. + + // Note: This keeps us from having to decode the signature twice and + // prevents problems with later local variables. + + // Note: could require up to 2*nStackLongs words of parameter stack area + // if the call has many float parameters (i.e. floats take up only 1 + // word on the stack but double takes 2 words in parameter area in the + // stack frame. + + // Update! Floats on the outgoing parameter stack only take up 1 word + // (stfs is used) which is not correct according to the ABI but we + // will match what the compiler does until this is figured out + + // this grows the current stack to the appropriate size + // and sets the outgoing stack pointer p to the right place + __asm__ __volatile__ ( + "rlwinm %0,%0,3,3,28\n\t" + "addi %0,%0,22\n\t" + "rlwinm %0,%0,0,4,28\n\t" + "lwz 0,0(1)\n\t" + "subf 1,%0,1\n\t" + "stw 0,0(1)\n\t" + : : "r" (nStackLongs) : "0" ); + + __asm__ __volatile__ ( "addi %0,1,8" : "=r" (p) : ); + + // never called + // if (! pAdjustedThisPtr ) dummy_can_throw_anything("xxx"); // address something + + + // now begin to load the C++ function arguments into storage + n = 0; +#ifndef __NO_FPRS__ + f = 0; +#endif + + // now we need to parse the entire signature string */ + // until we get the END indicator */ + + // treat complex return pointer like any other parameter + +#if 0 + /* Let's figure out what is really going on here*/ + fprintf(stderr,"callVirtualMethod parameters string is %s\n",pPT); + int k = nStackLongs; + long * q = (long *)pStackLongs; + while (k > 0) { + fprintf(stderr,"uno stack is: %x\n",*q); + k--; + q++; + } +#endif + + /* parse the argument list up to the ending ) */ + while (*pPT != 'X') { + c = *pPT; + switch (c) { + case 'D': /* type is double */ +#ifndef __NO_FPRS__ + if (f < 8) { + fpr[f++] = *((double *)pStackLongs); /* store in register */ +#else + if (n & 1) + n++; + if (n < 8) { + gpr[n++] = *pStackLongs; + gpr[n++] = *(pStackLongs+1); +#endif + } else { + if (((long) p) & 4) + p++; + *p++ = *pStackLongs; /* or on the parameter stack */ + *p++ = *(pStackLongs + 1); + } + pStackLongs += 2; + break; + + case 'F': /* type is float */ + /* this assumes that floats are stored as 1 32 bit word on param + stack and that if passed in parameter stack to C, should be + as double word. + + Whoops: the abi is not actually followed by gcc, need to + store floats as a *single* word on outgoing parameter stack + to match what gcc actually does + */ +#ifndef __NO_FPRS__ + if (f < 8) { + fpr[f++] = *((float *)pStackLongs); +#else + if (n < 8) { + gpr[n++] = *pStackLongs; +#endif + } else { +#if 0 /* if abi were followed */ + if (((long) p) & 4) + p++; + *((double *)p) = *((float *)pStackLongs); + p += 2; +#else + *((float *)p) = *((float *)pStackLongs); + p += 1; +#endif + } + pStackLongs += 1; + break; + + case 'H': /* type is long long */ + if (n & 1) n++; /* note even elements gpr[] will map to + odd registers*/ + if (n <= 6) { + gpr[n++] = *pStackLongs; + gpr[n++] = *(pStackLongs+1); + } else { + if (((long) p) & 4) + p++; + *p++ = *pStackLongs; + *p++ = *(pStackLongs+1); + } + pStackLongs += 2; + break; + + case 'S': + if (n < 8) { + gpr[n++] = *((unsigned short*)pStackLongs); + } else { + *p++ = *((unsigned short *)pStackLongs); + } + pStackLongs += 1; + break; + + case 'B': + if (n < 8) { + gpr[n++] = *((char *)pStackLongs); + } else { + *p++ = *((char *)pStackLongs); + } + pStackLongs += 1; + break; + + default: + if (n < 8) { + gpr[n++] = *pStackLongs; + } else { + *p++ = *pStackLongs; + } + pStackLongs += 1; + break; + } + pPT++; + } + + /* figure out the address of the function we need to invoke */ + off = nVtableIndex; + off = off * 4; // 4 bytes per slot + mfunc = *((unsigned long **)pAdjustedThisPtr); // get the address of the vtable + mfunc = (unsigned long *)((char *)mfunc + off); // get the address from the vtable entry at offset + mfunc = *((unsigned long **)mfunc); // the function is stored at the address + typedef void (*FunctionCall)(sal_uInt32, sal_uInt32, sal_uInt32, sal_uInt32, sal_uInt32, sal_uInt32, sal_uInt32, sal_uInt32); + FunctionCall ptr = (FunctionCall)mfunc; + + /* Set up the machine registers and invoke the function */ + + __asm__ __volatile__ ( + "lwz 3, 0(%0)\n\t" + "lwz 4, 4(%0)\n\t" + "lwz 5, 8(%0)\n\t" + "lwz 6, 12(%0)\n\t" + "lwz 7, 16(%0)\n\t" + "lwz 8, 20(%0)\n\t" + "lwz 9, 24(%0)\n\t" + "lwz 10, 28(%0)\n\t" +#ifndef __NO_FPRS__ + "lfd 1, 0(%1)\n\t" + "lfd 2, 8(%1)\n\t" + "lfd 3, 16(%1)\n\t" + "lfd 4, 24(%1)\n\t" + "lfd 5, 32(%1)\n\t" + "lfd 6, 40(%1)\n\t" + "lfd 7, 48(%1)\n\t" + "lfd 8, 56(%1)\n\t" + : : "r" (gpr), "r" (fpr) +#else + : : "r" (gpr) +#endif + : "0", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12" + ); + + // tell gcc that r3 to r10 are not available to it for doing the TOC and exception munge on the func call + register sal_uInt32 r3 __asm__("r3"); + register sal_uInt32 r4 __asm__("r4"); + register sal_uInt32 r5 __asm__("r5"); + register sal_uInt32 r6 __asm__("r6"); + register sal_uInt32 r7 __asm__("r7"); + register sal_uInt32 r8 __asm__("r8"); + register sal_uInt32 r9 __asm__("r9"); + register sal_uInt32 r10 __asm__("r10"); + + (*ptr)(r3, r4, r5, r6, r7, r8, r9, r10); + + __asm__ __volatile__ ( + "mr %0, 3\n\t" + "mr %1, 4\n\t" +#ifndef __NO_FPRS__ + "fmr %2, 1\n\t" + : "=r" (iret), "=r" (iret2), "=f" (dret) +#else + : "=r" (iret), "=r" (iret2) +#endif + : ); + + switch( eReturnType ) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + ((long*)pRegisterReturn)[0] = iret; + ((long*)pRegisterReturn)[1] = iret2; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_ENUM: + ((long*)pRegisterReturn)[0] = iret; + break; + case typelib_TypeClass_CHAR: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + *(unsigned short*)pRegisterReturn = (unsigned short)iret; + break; + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + *(unsigned char*)pRegisterReturn = (unsigned char)iret; + break; + case typelib_TypeClass_FLOAT: +#ifndef __NO_FPRS__ + *(float*)pRegisterReturn = (float)dret; +#else + ((unsigned int*)pRegisterReturn)[0] = iret; +#endif + break; + case typelib_TypeClass_DOUBLE: +#ifndef __NO_FPRS__ + *(double*)pRegisterReturn = dret; +#else + ((unsigned int*)pRegisterReturn)[0] = iret; + ((unsigned int*)pRegisterReturn)[1] = iret2; +#endif + break; + default: + break; + } +} + + +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 ) +{ + // max space for: [complex ret ptr], values|ptr ... + char * pCppStack = + (char *)alloca( sizeof(sal_Int32) + ((nParams+2) * sizeof(sal_Int64)) ); + char * pCppStackStart = pCppStack; + + // need to know parameter types for callVirtualMethod so generate a signature string + char * pParamType = (char *) alloca(nParams+2); + char * pPT = pParamType; + + // return + typelib_TypeDescription * pReturnTypeDescr = 0; + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + // assert(pReturnTypeDescr); + + void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion + + if (pReturnTypeDescr) + { + if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr )) + { + pCppReturn = pUnoReturn; // direct way for simple types + } + else + { + // complex return via ptr + pCppReturn = *(void **)pCppStack = + (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ): pUnoReturn); // direct way + *pPT++ = 'I'; //signify that a complex return type on stack + pCppStack += sizeof(void *); + } + } + // push this + void* pAdjustedThisPtr = reinterpret_cast< void **>(pThis->getCppI()) + aVtableSlot.offset; + *(void**)pCppStack = pAdjustedThisPtr; + pCppStack += sizeof( void* ); + *pPT++ = 'I'; + + // stack space + // static_assert(sizeof(void *) == sizeof(sal_Int32), "### unexpected size!"); + // args + void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams ); + // indices of values this have to be converted (interface conversion cpp<=>uno) + sal_Int32 * pTempIndices = (sal_Int32 *)(pCppArgs + nParams); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams)); + + sal_Int32 nTempIndices = 0; + + for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos ) + { + const typelib_MethodParameter & rParam = pParams[nPos]; + typelib_TypeDescription * pParamTypeDescr = 0; + TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef ); + + if (!rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr )) + { + uno_copyAndConvertData( pCppArgs[nPos] = pCppStack, pUnoArgs[nPos], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + + switch (pParamTypeDescr->eTypeClass) + { + + // we need to know type of each param so that we know whether to use + // gpr or fpr to pass in parameters: + // Key: I - int, long, pointer, etc means pass in gpr + // B - byte value passed in gpr + // S - short value passed in gpr + // F - float value pass in fpr + // D - double value pass in fpr + // H - long long int pass in proper pairs of gpr (3,4) (5,6), etc + // X - indicates end of parameter description string + + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_ENUM: + *pPT++ = 'I'; + break; + case typelib_TypeClass_SHORT: + case typelib_TypeClass_CHAR: + case typelib_TypeClass_UNSIGNED_SHORT: + *pPT++ = 'S'; + break; + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + *pPT++ = 'B'; + break; + case typelib_TypeClass_FLOAT: + *pPT++ = 'F'; + break; + case typelib_TypeClass_DOUBLE: + *pPT++ = 'D'; + pCppStack += sizeof(sal_Int32); // extra long + break; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + *pPT++ = 'H'; + pCppStack += sizeof(sal_Int32); // extra long + default: + break; + } + + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + else // ptr to complex value | ref + { + if (! rParam.bIn) // is pure out + { + // cpp out is constructed mem, uno out is not! + uno_constructData( + *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), + pParamTypeDescr ); + pTempIndices[nTempIndices] = nPos; // default constructed for cpp call + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + // is in/inout + else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr )) + { + uno_copyAndConvertData( + *(void **)pCppStack = pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), + pUnoArgs[nPos], pParamTypeDescr, + pThis->getBridge()->getUno2Cpp() ); + + pTempIndices[nTempIndices] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; + } + else // direct way + { + *(void **)pCppStack = pCppArgs[nPos] = pUnoArgs[nPos]; + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + // KBH: FIXME: is this the right way to pass these + *pPT++='I'; + } + pCppStack += sizeof(sal_Int32); // standard parameter length + } + + // terminate the signature string + *pPT++='X'; + *pPT=0; + + try + { + assert( !( (pCppStack - pCppStackStart ) & 3) && "UNALIGNED STACK !!! (Please DO panic)"); + try { + callVirtualMethod( + pAdjustedThisPtr, aVtableSlot.index, + pCppReturn, pReturnTypeDescr->eTypeClass, pParamType, + (sal_Int32 *)pCppStackStart, (pCppStack - pCppStackStart) / sizeof(sal_Int32) ); + } catch (css::uno::Exception &) { + throw; + } catch (std::exception & e) { + throw css::uno::RuntimeException( + "C++ code threw " + o3tl::runtimeToOUString(typeid(e).name()) + ": " + + o3tl::runtimeToOUString(e.what())); + } catch (...) { + throw css::uno::RuntimeException("C++ code threw unknown exception"); + } + // NO exception occurred... + *ppUnoExc = 0; + + // reconvert temporary params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices]; + + if (pParams[nIndex].bIn) + { + if (pParams[nIndex].bOut) // inout + { + uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value + uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + } + } + else // pure out + { + uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + } + // destroy temp cpp param => cpp: every param was constructed + uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release ); + + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + // return value + if (pCppReturn && pUnoReturn != pCppReturn) + { + uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release ); + } + } + catch (...) + { + // fill uno exception + CPPU_CURRENT_NAMESPACE::fillUnoException(*ppUnoExc, pThis->getBridge()->getCpp2Uno()); + + // temporary params + for ( ; nTempIndices--; ) + { + sal_Int32 nIndex = pTempIndices[nTempIndices]; + // destroy temp cpp param => cpp: every param was constructed + uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release ); + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] ); + } + // return type + if (pReturnTypeDescr) + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + } +} + +} + +namespace bridges::cpp_uno::shared { + +void unoInterfaceProxyDispatch( + uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr, + void * pReturn, void * pArgs[], uno_Any ** ppException ) +{ + // is my surrogate + bridges::cpp_uno::shared::UnoInterfaceProxy * pThis + = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy *> (pUnoI); + + switch (pMemberDescr->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { + + VtableSlot aVtableSlot( + getVtableSlot( + reinterpret_cast< + typelib_InterfaceAttributeTypeDescription const * >( + pMemberDescr))); + + if (pReturn) + { + // dependent dispatch + cpp_call( + pThis, aVtableSlot, + ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef, + 0, 0, // no params + pReturn, pArgs, ppException ); + } + else + { + // is SET + typelib_MethodParameter aParam; + aParam.pTypeRef = + ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef; + aParam.bIn = sal_True; + aParam.bOut = sal_False; + + typelib_TypeDescriptionReference * pReturnTypeRef = 0; + OUString aVoidName("void"); + typelib_typedescriptionreference_new( + &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData ); + + // dependent dispatch + aVtableSlot.index += 1; //get then set method + cpp_call( + pThis, aVtableSlot, + pReturnTypeRef, + 1, &aParam, + pReturn, pArgs, ppException ); + + typelib_typedescriptionreference_release( pReturnTypeRef ); + } + + break; + } + case typelib_TypeClass_INTERFACE_METHOD: + { + + VtableSlot aVtableSlot( + getVtableSlot( + reinterpret_cast< + typelib_InterfaceMethodTypeDescription const * >( + pMemberDescr))); + switch (aVtableSlot.index) + { + // standard calls + case 1: // acquire uno interface + (*pUnoI->acquire)( pUnoI ); + *ppException = 0; + break; + case 2: // release uno interface + (*pUnoI->release)( pUnoI ); + *ppException = 0; + break; + case 0: // queryInterface() opt + { + typelib_TypeDescription * pTD = 0; + TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() ); + if (pTD) + { + uno_Interface * pInterface = 0; + (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)( + pThis->pBridge->getUnoEnv(), + (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD ); + + if (pInterface) + { + ::uno_any_construct( + reinterpret_cast< uno_Any * >( pReturn ), + &pInterface, pTD, 0 ); + (*pInterface->release)( pInterface ); + TYPELIB_DANGER_RELEASE( pTD ); + *ppException = 0; + break; + } + TYPELIB_DANGER_RELEASE( pTD ); + } + } // else perform queryInterface() + default: + // dependent dispatch + cpp_call( + pThis, aVtableSlot, + ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef, + ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams, + ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams, + pReturn, pArgs, ppException ); + } + break; + } + default: + { + ::com::sun::star::uno::RuntimeException aExc( + "illegal member type description!", + ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); + + Type const & rExcType = cppu::UnoType::get(); + // binary identical null reference + ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); + } + } +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3