diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_sparc/cpp2uno.cxx')
| -rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_sparc/cpp2uno.cxx | 570 |
1 files changed, 570 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_sparc/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_sparc/cpp2uno.cxx new file mode 100644 index 000000000..8afbd04a7 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_sparc/cpp2uno.cxx @@ -0,0 +1,570 @@ +/* -*- 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 "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 ** pCallStack, + sal_Int64 * pRegisterReturn /* space for register return */ ) +{ + // pCallStack: [ret ptr], this, params + char * pCppStack = (char *)pCallStack; + + // 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**)pCppStack; + pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( + pReturnTypeDescr ) + ? alloca( pReturnTypeDescr->nSize ) + : pCppReturn); // direct way + pCppStack += sizeof( void* ); + } + } + // pop this + pCppStack += sizeof( void* ); + + // 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 + { + pCppArgs[nPos] = pUnoArgs[nPos] = CPPU_CURRENT_NAMESPACE::adjustPointer(pCppStack, pParamTypeDescr); + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + case typelib_TypeClass_DOUBLE: + { + if ((reinterpret_cast< long >(pCppStack) & 7) != 0) + { + static_assert(sizeof (double) == sizeof (sal_Int64), "boo"); + void * pDest = alloca( sizeof (sal_Int64) ); + *reinterpret_cast< sal_Int32 * >(pDest) = + *reinterpret_cast< sal_Int32 const * >(pCppStack); + *(reinterpret_cast< sal_Int32 * >(pDest) + 1) = + *(reinterpret_cast< sal_Int32 const * >(pCppStack) + 1); + pCppArgs[nPos] = pUnoArgs[nPos] = pDest; + } + pCppStack += sizeof (sal_Int32); // extra long + break; + default: + break; + } + } + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + else // ptr to complex value | ref + { + pCppArgs[nPos] = *(void **)pCppStack; + + 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 ); + } + } + pCppStack += sizeof(sal_Int32); // standard parameter length + } + + // 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 eax + *(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 ** pCallStack, + sal_Int64 * pRegisterReturn /* space for register return */ ) +{ + static_assert(sizeof(sal_Int32)==sizeof(void *), "### unexpected!"); + + // pCallStack: this, params + // eventual [ret*] lies at pCallStack -1 + // so count down pCallStack by one to keep it simple + // pCallStack: this, params + // eventual [ret*] lies at pCallStack -1 + // so count down pCallStack by one to keep it simple + bridges::cpp_uno::shared::CppInterfaceProxy * pCppI + = bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( + static_cast< char * >(*pCallStack) - nVtableOffset); + if ((nFunctionIndex & 0x80000000) != 0) { + nFunctionIndex &= 0x7FFFFFFF; + --pCallStack; + } + + 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 *)pCppI); + } + + // determine called method + sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; + assert(nMemberPos < pTypeDescr->nAllMembers); + + TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] ); + +#if defined BRIDGES_DEBUG + 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: + { + if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex) + { + // is GET method + eRet = cpp2uno_call( + pCppI, aMemberDescr.get(), + ((typelib_InterfaceAttributeTypeDescription *)aMemberDescr.get())->pAttributeTypeRef, + 0, 0, // no params + pCallStack, 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, + pCallStack, 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 * >( pCallStack[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 * >( pCallStack[0] ), + &pInterface, pTD, cpp_acquire ); + pInterface->release(); + TYPELIB_DANGER_RELEASE( pTD ); + *(void **)pRegisterReturn = pCallStack[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, + pCallStack, pRegisterReturn ); + } + break; + } + default: + { + throw RuntimeException( "no member description found!", (XInterface *)pCppI ); + } + } + return eRet; +} + + +/** + * is called on incoming vtable calls + * (called by asm snippets) + */ +static void cpp_vtable_call() +{ + sal_Int64 nRegReturn; + int nFunctionIndex; + void** pCallStack; + int vTableOffset; + +void * pRegReturn = &nRegReturn; + + __asm__( "st %%i0, %0\n\t" + "st %%i1, %1\n\t" + "st %%i2, %2\n\t" + : : "m"(nFunctionIndex), "m"(pCallStack), "m"(vTableOffset) ); + +// fprintf(stderr,"cpp_mediate nFunctionIndex=%x\n",nFunctionIndex); +// fflush(stderr); + + const sal_Bool bComplex = (nFunctionIndex & 0x80000000) ? sal_True : sal_False; + typelib_TypeClass aType = + cpp_mediate( nFunctionIndex, vTableOffset, pCallStack+17, (sal_Int64*)&nRegReturn ); + + switch( aType ) + { + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + __asm__( "ld %0, %%l0\n\t" + "ldsb [%%l0], %%i0\n" + : : "m"(pRegReturn) ); + break; + case typelib_TypeClass_CHAR: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + __asm__( "ld %0, %%l0\n\t" + "ldsh [%%l0], %%i0\n" + : : "m"(pRegReturn) ); + break; + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + __asm__( "ld %0, %%l0\n\t" + "ld [%%l0], %%i0\n\t" + "add %%l0, 4, %%l0\n\t" + "ld [%%l0], %%i1\n\t" + : : "m"(pRegReturn) ); + + break; + case typelib_TypeClass_FLOAT: + __asm__( "ld %0, %%l0\n\t" + "ld [%%l0], %%f0\n" + : : "m"(pRegReturn) ); + break; + case typelib_TypeClass_DOUBLE: + __asm__( "ld %0, %%l0\n\t" + "ldd [%%l0], %%f0\n" + : : "m"(pRegReturn) ); + break; + case typelib_TypeClass_VOID: + break; + default: + __asm__( "ld %0, %%l0\n\t" + "ld [%%l0], %%i0\n" + : : "m"(pRegReturn) ); + break; + } + + if( bComplex ) + { + __asm__( "add %i7, 4, %i7\n\t" ); + // after call to complex return valued function there is an unimp instruction + } + +} + + +int const codeSnippetSize = 56; +unsigned char * codeSnippet( + unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset, + bool simpleRetType) +{ + sal_uInt32 index = functionIndex; + if (!simpleRetType) { + index |= 0x80000000; + } + unsigned int * p = reinterpret_cast< unsigned int * >(code); + static_assert(sizeof (unsigned int) == 4, "boo"); + // st %o0, [%sp+68]: + *p++ = 0xD023A044; + // st %o1, [%sp+72]: + *p++ = 0xD223A048; + // st %o2, [%sp+76]: + *p++ = 0xD423A04C; + // st %o3, [%sp+80]: + *p++ = 0xD623A050; + // st %o4, [%sp+84]: + *p++ = 0xD823A054; + // st %o5, [%sp+88]: + *p++ = 0xDA23A058; + // sethi %hi(index), %o0: + *p++ = 0x11000000 | (index >> 10); + // or %o0, %lo(index), %o0: + *p++ = 0x90122000 | (index & 0x3FF); + // sethi %hi(vtableOffset), %o2: + *p++ = 0x15000000 | (vtableOffset >> 10); + // or %o2, %lo(vtableOffset), %o2: + *p++ = 0x9412A000 | (vtableOffset & 0x3FF); + // sethi %hi(cpp_vtable_call), %o3: + *p++ = 0x17000000 | (reinterpret_cast< unsigned int >(cpp_vtable_call) >> 10); + // or %o3, %lo(cpp_vtable_call), %o3: + *p++ = 0x9612E000 | (reinterpret_cast< unsigned int >(cpp_vtable_call) & 0x3FF); + // jmpl %o3, %g0: + *p++ = 0x81C2C000; + // mov %sp, %o1: + *p++ = 0x9210000E; + assert(reinterpret_cast< unsigned char * >(p) - code <= codeSnippetSize); + return code + codeSnippetSize; +} + +} //end of namespace + +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; + 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; +} + +// use flush code from cc50_solaris_sparc + +extern "C" void doFlushCode(unsigned long address, unsigned long count); + +void bridges::cpp_uno::shared::VtableFactory::flushCode( + unsigned char const * begin, unsigned char const * end) +{ + unsigned long n = end - begin; + if (n != 0) { + unsigned long adr = reinterpret_cast< unsigned long >(begin); + unsigned long off = adr & 7; + doFlushCode(adr - off, (n + off + 7) >> 3); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |