| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_bridges.hxx" |
| |
| #include <string.h> |
| |
| #include <com/sun/star/uno/genfunc.hxx> |
| #include <uno/data.h> |
| #include <typelib/typedescription.hxx> |
| |
| #include "bridges/cpp_uno/shared/bridge.hxx" |
| #include "bridges/cpp_uno/shared/cppinterfaceproxy.hxx" |
| #include "bridges/cpp_uno/shared/types.hxx" |
| #include "bridges/cpp_uno/shared/vtablefactory.hxx" |
| |
| #include "share.hxx" |
| // #include <stdio.h> |
| |
| |
| 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 regsiters 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 |
| OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" ); |
| // parameters |
| void ** pUnoArgs = (void **)alloca( 4 * sizeof(void *) * nParams ); |
| void ** pCppArgs = pUnoArgs + nParams; |
| // indizes of values this have to be converted (interface conversion cpp<=>uno) |
| sal_Int32 * pTempIndizes = (sal_Int32 *)(pUnoArgs + (2 * nParams)); |
| // type descriptions for reconversions |
| typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams)); |
| |
| sal_Int32 nTempIndizes = 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 ); |
| pTempIndizes[nTempIndizes] = nPos; |
| // will be released at reconversion |
| ppTempParamTypeDescr[nTempIndizes++] = 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() ); |
| pTempIndizes[nTempIndizes] = nPos; // has to be reconverted |
| // will be released at reconversion |
| ppTempParamTypeDescr[nTempIndizes++] = 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 occured... |
| if (pUnoExc) |
| { |
| // destruct temporary in/inout params |
| for ( ; nTempIndizes--; ) |
| { |
| sal_Int32 nIndex = pTempIndizes[nTempIndizes]; |
| |
| if (pParams[nIndex].bIn) // is in/inout => was constructed |
| uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], 0 ); |
| TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] ); |
| } |
| 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 occured... |
| { |
| // temporary params |
| for ( ; nTempIndizes--; ) |
| { |
| sal_Int32 nIndex = pTempIndizes[nTempIndizes]; |
| typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes]; |
| |
| 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 */ ) |
| { |
| OSL_ENSURE( 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(); |
| |
| OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" ); |
| if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex) |
| { |
| throw RuntimeException( |
| rtl::OUString::createFromAscii("illegal vtable index!"), |
| (XInterface *)pThis ); |
| } |
| |
| // determine called method |
| sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex]; |
| OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!" ); |
| |
| 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( |
| rtl::OUString::createFromAscii("no member description found!"), |
| (XInterface *)pThis ); |
| // is here for dummy |
| eRet = typelib_TypeClass_VOID; |
| } |
| } |
| |
| 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; |
| |
| // OSL_ASSERT( sizeof (long) == 4 ); |
| OSL_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 than 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; |
| } |
| |
| sal_Size 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) |
| { |
| 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]); |
| OSL_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: |
| OSL_ASSERT(false); |
| break; |
| } |
| TYPELIB_DANGER_RELEASE(member); |
| } |
| return code; |
| } |
| |
