diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx')
| -rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx | 704 |
1 files changed, 704 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx new file mode 100644 index 000000000..ebde9821e --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_mips64/cpp2uno.cxx @@ -0,0 +1,704 @@ +/* -*- 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 <com/sun/star/uno/genfunc.hxx> +#include <sal/log.hxx> +#include <typelib/typedescription.hxx> +#include <uno/data.h> +#include <osl/endian.h> +#include "bridge.hxx" +#include "cppinterfaceproxy.hxx" +#include "types.hxx" +#include "vtablefactory.hxx" +#include "call.hxx" +#include "share.hxx" + +#include <stdio.h> +#include <string.h> + +using namespace com::sun::star::uno; + +//#define BRDEBUG + +#ifdef BRDEBUG +#include <rtl/strbuf.hxx> +#include <rtl/ustrbuf.hxx> +using namespace ::std; +using namespace ::osl; +using namespace ::rtl; +#endif + +#ifndef ANDROID +#include <sys/sysmips.h> +#endif + +#ifdef ANDROID +#include <unistd.h> +#endif + +namespace CPPU_CURRENT_NAMESPACE +{ + bool is_complex_struct(const typelib_TypeDescription * type) + { + const typelib_CompoundTypeDescription * p + = reinterpret_cast< const typelib_CompoundTypeDescription * >(type); + for (sal_Int32 i = 0; i < p->nMembers; ++i) + { + if (p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_STRUCT || + p->ppTypeRefs[i]->eTypeClass == typelib_TypeClass_EXCEPTION) + { + typelib_TypeDescription * t = 0; + TYPELIB_DANGER_GET(&t, p->ppTypeRefs[i]); + bool b = is_complex_struct(t); + TYPELIB_DANGER_RELEASE(t); + if (b) { + return true; + } + } + else if (!bridges::cpp_uno::shared::isSimpleType(p->ppTypeRefs[i]->eTypeClass)) + return true; + } + if (p->pBaseTypeDescription != 0) + return is_complex_struct(&p->pBaseTypeDescription->aBase); + return false; + } + + bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef ) + { + if (bridges::cpp_uno::shared::isSimpleType(pTypeRef)) + return false; + else if (pTypeRef->eTypeClass == typelib_TypeClass_STRUCT || + pTypeRef->eTypeClass == typelib_TypeClass_EXCEPTION) + { + typelib_TypeDescription * pTypeDescr = 0; + TYPELIB_DANGER_GET( &pTypeDescr, pTypeRef ); + + //A Composite Type not larger than 16 bytes is returned in up to two GPRs + bool bRet = pTypeDescr->nSize > 16 || is_complex_struct(pTypeDescr); + + TYPELIB_DANGER_RELEASE( pTypeDescr ); + return bRet; + } + return true; + } +} + +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_uInt64 * pRegisterReturn /* space for register return */ ) + { + /* Most MIPS ABIs view the arguments as a struct, of which the + first N words go in registers and the rest go on the stack. If I < N, the + With word might go in With integer argument register or the With + floating-point one. For these ABIs, we only need to remember the number + of words passed so far. We are interested only in n64 ABI,so it is the + case. + */ + unsigned int nREG = 0; + +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:begin\n"); +#endif + + // 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 (CPPU_CURRENT_NAMESPACE::return_in_hidden_param( pReturnTypeRef ) ) + { + pCppReturn = gpreg[nREG]; // complex return via ptr (pCppReturn) + nREG++; + + pUnoReturn = ( bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ) + : pCppReturn); // direct way +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:complexreturn\n"); +#endif + } + else + { + pUnoReturn = pRegisterReturn; // direct way for simple types +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:simplereturn\n"); +#endif + } + } + + // pop this + nREG++; + + // stack space + static_assert(sizeof(void *) == sizeof(sal_Int64), "### 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; + +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:nParams=%d\n", nParams); +#endif + 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 + { +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:Param %u, type %u\n", nPos, pParamTypeDescr->eTypeClass); +#endif + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_FLOAT: + case typelib_TypeClass_DOUBLE: + if (nREG < MAX_FP_REGS) { +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:fpr=%p\n", fpreg[nREG]); +#endif + pCppArgs[nPos] = &(fpreg[nREG]); + pUnoArgs[nPos] = &(fpreg[nREG]); + } else { +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:fpr=%p\n", ovrflw[nREG - MAX_FP_REGS]); +#endif + pCppArgs[nPos] = &(ovrflw[nREG - MAX_FP_REGS]); + pUnoArgs[nPos] = &(ovrflw[nREG - MAX_FP_REGS]); + } + nREG++; + break; + + + default: + if (nREG < MAX_GP_REGS) { +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:gpr=%p\n", gpreg[nREG]); +#endif + pCppArgs[nPos] = &(gpreg[nREG]); + pUnoArgs[nPos] = &(gpreg[nREG]); + } else { +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:gpr=%p\n", ovrflw[nREG - MAX_GP_REGS]); +#endif + pCppArgs[nPos] = &(ovrflw[nREG - MAX_GP_REGS]); + pUnoArgs[nPos] = &(ovrflw[nREG - MAX_GP_REGS]); + } + nREG++; + break; + + } + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + else // ptr to complex value | ref + { +#ifdef BRDEBUG + fprintf(stderr,"cpp2uno_call:ptr|ref\n"); +#endif + void *pCppStack; + if (nREG < MAX_GP_REGS) { + pCppArgs[nPos] = pCppStack = gpreg[nREG]; + } else { + pCppArgs[nPos] = pCppStack = ovrflw[nREG - MAX_GP_REGS]; + } + nREG++; +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:pCppStack=%p\n", pCppStack); +#endif + + 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 ), + pCppStack, pParamTypeDescr, + pThis->getBridge()->getCpp2Uno() ); + pTempIndices[nTempIndices] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr; +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:related to interface,%p,%d,pUnoargs[%d]=%p\n", + pCppStack, pParamTypeDescr->nSize, nPos, pUnoArgs[nPos]); +#endif + } + else // direct way + { + pUnoArgs[nPos] = pCppStack; +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call:direct,pUnoArgs[%d]=%p\n", nPos, pUnoArgs[nPos]); +#endif + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + } + } +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call2,%p,unoargs=%p\n", pThis->getUnoI()->pDispatcher, pUnoArgs); +#endif + + // 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 ); +#ifdef BRDEBUG + fprintf(stderr, "cpp2uno_call2,after dispatch\n"); +#endif + + // 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; + } + } + + + /** + * is called on incoming vtable calls + * (called by asm snippets) + */ + typelib_TypeClass cpp_vtable_call( + sal_Int32 nFunctionIndex, + sal_Int32 nVtableOffset, + void ** gpreg, void ** fpreg, void ** ovrflw, + sal_uInt64 * pRegisterReturn /* space for register return */ ) + { + static_assert( sizeof(sal_Int64)==sizeof(void *), "### unexpected!" ); + +#ifdef BRDEBUG + fprintf(stderr, "in cpp_vtable_call nFunctionIndex is %d\n", nFunctionIndex); + fprintf(stderr, "in cpp_vtable_call nVtableOffset is %d\n", nVtableOffset); + fprintf(stderr, "in cpp_vtable_call gp=%p, fp=%p, ov=%p\n", gpreg, fpreg, ovrflw); +#endif + + // 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]; + } +#ifdef BRDEBUG + fprintf(stderr, "cpp_vtable_call, pThis=%p, nFunctionIndex=%d, nVtableOffset=%d\n", + pThis, nFunctionIndex, nVtableOffset); +#endif + + pThis = static_cast< char * >(pThis) - nVtableOffset; + bridges::cpp_uno::shared::CppInterfaceProxy * pCppI = + bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( pThis ); +#ifdef BRDEBUG + fprintf(stderr, "cpp_vtable_call, pCppI=%p\n", pCppI); +#endif + + 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] ); + +#ifdef BRDEBUG + OString cstr( OUStringToOString( aMemberDescr.get()->pTypeName, RTL_TEXTENCODING_ASCII_US ) ); + fprintf(stderr, "calling %s, nFunctionIndex=%d\n", cstr.getStr(), nFunctionIndex ); +#endif + typelib_TypeClass eRet; + switch (aMemberDescr.get()->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { +#ifdef BRDEBUG + fprintf(stderr, "cpp_vtable_call interface attribute\n"); +#endif + typelib_TypeDescriptionReference *pAttrTypeRef = + reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( aMemberDescr.get() )->pAttributeTypeRef; + + if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex) + { + // is GET method + eRet = cpp2uno_call( pCppI, aMemberDescr.get(), pAttrTypeRef, + 0, 0, // no params + gpreg, fpreg, ovrflw, pRegisterReturn ); + } + else + { + // is SET method + typelib_MethodParameter aParam; + aParam.pTypeRef = pAttrTypeRef; + 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: + { +#ifdef BRDEBUG + fprintf(stderr, "cpp_vtable_call interface method\n"); +#endif + // is METHOD + switch (nFunctionIndex) + { + case 1: // acquire() +#ifdef BRDEBUG + fprintf(stderr, "cpp_vtable_call method acquire\n"); +#endif + pCppI->acquireProxy(); // non virtual call! + eRet = typelib_TypeClass_VOID; + break; + case 2: // release() +#ifdef BRDEBUG + fprintf(stderr, "cpp_vtable_call method release\n"); +#endif + pCppI->releaseProxy(); // non virtual call! + eRet = typelib_TypeClass_VOID; + break; + case 0: // queryInterface() opt + { +#ifdef BRDEBUG + fprintf(stderr, "cpp_vtable_call method query interface opt\n"); +#endif + 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, + reinterpret_cast<typelib_InterfaceTypeDescription *>( pTD ) ); + + if (pInterface) + { + ::uno_any_construct( reinterpret_cast< uno_Any * >( gpreg[0] ), + &pInterface, pTD, cpp_acquire ); + + pInterface->release(); + TYPELIB_DANGER_RELEASE( pTD ); + + reinterpret_cast<void **>( pRegisterReturn )[0] = gpreg[0]; + eRet = typelib_TypeClass_ANY; + break; + } + TYPELIB_DANGER_RELEASE( pTD ); + } + } // else perform queryInterface() + default: +#ifdef BRDEBUG + fprintf(stderr, "cpp_vtable_call method query interface\n"); +#endif + typelib_InterfaceMethodTypeDescription *pMethodTD = + reinterpret_cast<typelib_InterfaceMethodTypeDescription *>( aMemberDescr.get() ); + + eRet = cpp2uno_call( pCppI, aMemberDescr.get(), + pMethodTD->pReturnTypeRef, + pMethodTD->nParams, + pMethodTD->pParams, + gpreg, fpreg, ovrflw, pRegisterReturn ); + } + break; + } + default: + { +#ifdef BRDEBUG + fprintf(stderr, "cpp_vtable_call no member\n"); +#endif + throw RuntimeException( "no member description found!", (XInterface *)pThis ); + } + } + + return eRet; + } + + extern "C" void privateSnippetExecutor( ... ); + + int const codeSnippetSize = 0x44; + + unsigned char * codeSnippet( unsigned char * code, + sal_Int32 functionIndex, sal_Int32 vtableOffset, + bool bHasHiddenParam ) + { +#ifdef BRDEBUG + fprintf(stderr,"in codeSnippet functionIndex is %d\n", functionIndex); + fprintf(stderr,"in codeSnippet vtableOffset is %d\n", vtableOffset); + fflush(stderr); +#endif + + if ( bHasHiddenParam ) + functionIndex |= 0x80000000; + + unsigned int * p = (unsigned int *) code; + + assert((((unsigned long)code) & 0x3) == 0 ); //aligned to 4 otherwise a mistake + + /* generate this code */ + /* + # index + 0: 3c020000 lui v0,0x0 + 4: 34420000 ori v0,v0,0x0 + # privateSnippetExecutor + 8: 3c0c0000 lui t0,0x0 + c: 358c0000 ori t0,t0,0x0 + 10: 000c6438 dsll t0,t0,0x10 + 14: 358c0000 ori t0,t0,0x0 + 18: 000c6438 dsll t0,t0,0x10 + 1c: 358c0000 ori t0,t0,0x0 + # cpp_vtable_call + 20: 3c190000 lui t9,0x0 + 24: 37390000 ori t9,t9,0x0 + 28: 0019cc38 dsll t9,t9,0x10 + 2c: 37390000 ori t9,t9,0x0 + 30: 0019cc38 dsll t9,t9,0x10 + 34: 37390000 ori t9,t9,0x0 + # offset + 38: 3c030000 lui v1,0x0 + 3c: 01800008 jr t0 + 40: 34630000 ori v1,v1,0x0 + */ + + * p++ = 0x3c020000 | ((functionIndex>>16) & 0x0000ffff); + * p++ = 0x34420000 | (functionIndex & 0x0000ffff); + * p++ = 0x3c0c0000 | ((((unsigned long)privateSnippetExecutor) >> 48) & 0x0000ffff); + * p++ = 0x358c0000 | ((((unsigned long)privateSnippetExecutor) >> 32) & 0x0000ffff); + * p++ = 0x000c6438; + * p++ = 0x358c0000 | ((((unsigned long)privateSnippetExecutor) >> 16) & 0x0000ffff); + * p++ = 0x000c6438; + * p++ = 0x358c0000 | (((unsigned long)privateSnippetExecutor) & 0x0000ffff); + * p++ = 0x3c190000 | ((((unsigned long)cpp_vtable_call) >> 48) & 0x0000ffff); + * p++ = 0x37390000 | ((((unsigned long)cpp_vtable_call) >> 32) & 0x0000ffff); + * p++ = 0x0019cc38; + * p++ = 0x37390000 | ((((unsigned long)cpp_vtable_call) >> 16) & 0x0000ffff); + * p++ = 0x0019cc38; + * p++ = 0x37390000 | (((unsigned long)cpp_vtable_call) & 0x0000ffff); + * p++ = 0x3c030000 | ((vtableOffset>>16) & 0x0000ffff); + * p++ = 0x01800008; + * p++ = 0x34630000 | (vtableOffset & 0x0000ffff); + return (code + codeSnippetSize); + + } + +} + + +void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const *bptr, unsigned char const *eptr) +{ +#ifndef ANDROID + (void) bptr; + (void) eptr; + sysmips(FLUSH_CACHE, 0, 0, 0); +#else + cacheflush((long) bptr, (long) eptr, 0); +#endif +} + +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; //null + slots[-1].fn = 0; //destructor + 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; + +#ifdef BRDEBUG + fprintf(stderr, "in addLocalFunctions functionOffset is %d\n", functionOffset); + fprintf(stderr, "in addLocalFunctions vtableOffset is %d\n", vtableOffset); + fprintf(stderr, "nMembers=%d\n", type->nMembers); + fflush(stderr); +#endif + + 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, + CPPU_CURRENT_NAMESPACE::return_in_hidden_param( + reinterpret_cast< + typelib_InterfaceAttributeTypeDescription * >( + member)->pAttributeTypeRef)); + + // Setter: + if (!reinterpret_cast< + typelib_InterfaceAttributeTypeDescription * >( + member)->bReadOnly) + { + (s++)->fn = code + writetoexecdiff; + code = codeSnippet(code, functionOffset++, vtableOffset, false); + } + break; + + case typelib_TypeClass_INTERFACE_METHOD: + (s++)->fn = code + writetoexecdiff; + code = codeSnippet( + code, functionOffset++, vtableOffset, + CPPU_CURRENT_NAMESPACE::return_in_hidden_param( + reinterpret_cast< + typelib_InterfaceMethodTypeDescription * >( + member)->pReturnTypeRef)); + break; + + default: + assert(false); + break; + } + TYPELIB_DANGER_RELEASE(member); + } + return code; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |