diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx')
| -rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx | 805 |
1 files changed, 0 insertions, 805 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx deleted file mode 100644 index e7cbe7d48..000000000 --- a/bridges/source/cpp_uno/gcc3_linux_mips/cpp2uno.cxx +++ /dev/null @@ -1,805 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ -#include <com/sun/star/uno/genfunc.hxx> -#include <typelib/typedescription.hxx> -#include <uno/data.h> -#include <osl/endian.h> -#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> -#include <string.h> - -using namespace com::sun::star::uno; - -//#define BRDEBUG - -#ifdef BRDEBUG -#include <rtl/strbuf.hxx> -#include <rtl/ustrbuf.hxx> -#include <osl/diagnose.h> -#include <osl/mutex.hxx> -using namespace ::std; -using namespace ::osl; -using namespace ::rtl; -#endif -#include <sys/sysmips.h> - -#ifdef OSL_BIGENDIAN -#define IS_BIG_ENDIAN 1 -#else -#define IS_BIG_ENDIAN 0 -#endif - -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 */ ) - { - /* 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 - Ith word might go in Ith integer argument register or the Ith - floating-point one. For these ABIs, we only need to remember the number - of words passed so far. We are interested only in o32 ABI,so it is the - case. - */ - int nw = 0; // number of words used by arguments - -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call1\n"); -#endif - - /* C++ has [ret *] or this as the first arguments, so no arguments will - * be passed in floating-point registers? - */ - //int int_seen = 0; // have we seen integer arguments? - - 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 -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call:simplereturn\n"); -#endif - } - else // complex return via ptr (pCppReturn) - { - pCppReturn = *(void **)gpreg; - gpreg++; - nw++; - - pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) - ? alloca( pReturnTypeDescr->nSize ) - : pCppReturn); // direct way -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call:complexreturn\n"); -#endif - } - } - - // pop this - gpreg++; - nw++; - - // 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; - -#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 - { - - switch (pParamTypeDescr->eTypeClass) - { - case typelib_TypeClass_DOUBLE: - case typelib_TypeClass_HYPER: - case typelib_TypeClass_UNSIGNED_HYPER: -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call:hyper=%d,%p\n",pParamTypeDescr->eTypeClass,gpreg[0]); -#endif - if (nw < 3) { - if (nw & 1) { - nw++; - gpreg++; - } -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call:gpreg=%p,%p\n",gpreg[0],gpreg[1]); -#endif - pCppArgs[nPos] = gpreg; - pUnoArgs[nPos] = gpreg; - nw += 2; - gpreg += 2; - } else { - if (((long)ovrflw) & 4) ovrflw++; -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call:overflw=%p,%p\n",ovrflw[0],ovrflw[1]); -#endif - pCppArgs[nPos] = ovrflw; - pUnoArgs[nPos] = ovrflw; - ovrflw += 2; - } - break; - - case typelib_TypeClass_BYTE: - case typelib_TypeClass_BOOLEAN: -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call:byte=%p,%p\n",gpreg[0],ovrflw[0]); -#endif - if (nw < 4) { - pCppArgs[nPos] = ((char *)gpreg + 3*IS_BIG_ENDIAN); - pUnoArgs[nPos] = ((char *)gpreg + 3*IS_BIG_ENDIAN); - nw++; - gpreg++; - } else { - pCppArgs[nPos] = ((char *)ovrflw + 3*IS_BIG_ENDIAN); - pUnoArgs[nPos] = ((char *)ovrflw + 3*IS_BIG_ENDIAN); - ovrflw++; - } - break; - - - case typelib_TypeClass_CHAR: - case typelib_TypeClass_SHORT: - case typelib_TypeClass_UNSIGNED_SHORT: -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call:char=%p,%p\n",gpreg[0],ovrflw[0]); -#endif - if (nw < 4) { - pCppArgs[nPos] = ((char *)gpreg + 2*IS_BIG_ENDIAN); - pUnoArgs[nPos] = ((char *)gpreg + 2*IS_BIG_ENDIAN); - nw++; - gpreg++; - } else { - pCppArgs[nPos] = ((char *)ovrflw + 2*IS_BIG_ENDIAN); - pUnoArgs[nPos] = ((char *)ovrflw + 2*IS_BIG_ENDIAN); - ovrflw++; - } - break; - - - default: -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call:def=%p,%p\n",gpreg[0],ovrflw[0]); -#endif - if (nw < 4) { - pCppArgs[nPos] = gpreg; - pUnoArgs[nPos] = gpreg; - nw++; - gpreg++; - } else { - pCppArgs[nPos] = ovrflw; - pUnoArgs[nPos] = ovrflw; - ovrflw++; - } - break; - - } - // no longer needed - TYPELIB_DANGER_RELEASE( pParamTypeDescr ); - } - else // ptr to complex value | ref - { - -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call:ptr|ref\n"); -#endif - if (nw < 4) { - pCppArgs[nPos] = *(void **)gpreg; - pCppStack = gpreg; - nw++; - gpreg++; - } else { - pCppArgs[nPos] = *(void **)ovrflw; - pCppStack = ovrflw; - ovrflw++; - } -#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 ); - 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; -#ifdef BRDEBUG - fprintf(stderr,"cpp2uno_call:related to interface,%p,%d,pUnoargs[%d]=%p\n",*(void**)pCppStack,pParamTypeDescr->nSize,nPos,pUnoArgs[nPos]); -#endif - } - else // direct way - { - pUnoArgs[nPos] = *(void **)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 ( ; 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 occurred... - { - // 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!" ); - -#ifdef BRDEBUG - fprintf(stderr,"cpp_mediate1 gp=%p,fp=%p,ov=%p\n",gpreg,fpreg,ovrflw); - fprintf(stderr,"gp=%x,%x,%x,%x\n",gpreg[0],gpreg[1],gpreg[2],gpreg[3]); -#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_mediate12,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_mediate13,pCppI=%p\n",pCppI); -#endif - - typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr(); - -#ifdef BRDEBUG - fprintf(stderr,"cpp_mediate2\n"); -#endif - OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!" ); - if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex) - { - throw RuntimeException( - rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "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] ); - -#ifdef BRDEBUG - fprintf(stderr,"cpp_mediate3\n"); - 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_mediate4\n"); -#endif - 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: - { -#ifdef BRDEBUG - fprintf(stderr,"cpp_mediate5\n"); -#endif - // is METHOD - switch (nFunctionIndex) - { - case 1: // acquire() - pCppI->acquireProxy(); // non virtual call! - eRet = typelib_TypeClass_VOID; - break; - case 2: // release() -#ifdef BRDEBUG - fprintf(stderr,"cpp_mediate51\n"); -#endif - pCppI->releaseProxy(); // non virtual call! - eRet = typelib_TypeClass_VOID; -#ifdef BRDEBUG - fprintf(stderr,"cpp_mediate52\n"); -#endif - 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: - { -#ifdef BRDEBUG - fprintf(stderr,"cpp_mediate6\n"); -#endif - throw RuntimeException( - rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "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) -// static void cpp_vtable_call( int nFunctionIndex, int nVtableOffset, void** gpregptr, void** ovrflw) - static void cpp_vtable_call(void) - { - int nFunctionIndex; - int vTableOffset; - void** pCallStack; - void** ovrflw; - - sal_Int32 gpreg[4]; - double fpreg[2]; - - //memcpy( fpreg, fpregptr, 16); - - volatile long nRegReturn[2]; - - __asm__( "sw $4, %0\n\t" - "sw $5, %1\n\t" - "sw $6, %2\n\t" - "sw $7, %3\n\t" - ::"m"(nFunctionIndex), "m"(vTableOffset), "m"(pCallStack), "m"(ovrflw) ); - - memcpy( gpreg, pCallStack, 16); - -#ifdef BRDEBUG - fprintf(stderr,"in cpp_vtable_call nFunctionIndex is %d\n",nFunctionIndex); - fprintf(stderr,"in cpp_vtable_call nVtableOffset is %d\n",vTableOffset); - fprintf(stderr,"gp=%x,%x,%x,%x\n",gpreg[0],gpreg[1],gpreg[2],gpreg[3]); -#endif - - //sal_Bool bComplex = nFunctionIndex & 0x80000000 ? sal_True : sal_False; - - typelib_TypeClass aType = - cpp_mediate( nFunctionIndex, vTableOffset, (void**)gpreg, (void**)fpreg, 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__( "lbu $2,%0\n\t" : : - "m"(nRegReturn[0]) ); - break; - - case typelib_TypeClass_CHAR: - case typelib_TypeClass_UNSIGNED_SHORT: - __asm__( "lhu $2,%0\n\t" : : - "m"(nRegReturn[0]) ); - break; - - case typelib_TypeClass_SHORT: - __asm__( "lh $2,%0\n\t" : : - "m"(nRegReturn[0]) ); - break; - - - case typelib_TypeClass_FLOAT: - __asm__( "lwc1 $f0,%0\n\t" : : - "m" (*((float*)nRegReturn)) ); - break; - - case typelib_TypeClass_DOUBLE: - { register double dret asm("$f0"); - dret = (*((double*)nRegReturn)); } - break; - - case typelib_TypeClass_HYPER: - case typelib_TypeClass_UNSIGNED_HYPER: - __asm__( "lw $3,%0\n\t" : : - "m"(nRegReturn[1]) ); // fall through - - default: - __asm__( "lw $2,%0\n\t" : : - "m"(nRegReturn[0]) ); - break; - } - } - - - int const codeSnippetSize = 56; - - unsigned char * codeSnippet( unsigned char * code, sal_Int32 functionIndex, sal_Int32 vtableOffset, - bool simpleRetType) - { - -#ifdef BRDEBUG - fprintf(stderr,"in codeSnippet functionIndex is %d\n", functionIndex); - fprintf(stderr,"in codeSnippet vtableOffset is %d\n", vtableOffset); - fflush(stderr); -#endif - - 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 */ - /* - #save regs into argument space required by mips abi - c: afa40000 sw a0,0(sp) - 10: afa50004 sw a1,4(sp) - 14: afa60008 sw a2,8(sp) - 18: afa7000c sw a3,12(sp) - #a0=index - 1c: 3c040000 lui a0,0x0 - 20: 34840000 ori a0,a0,0x0 - #a1=offset - 24: 3c050000 lui a1,0x0 - 28: 34a50000 ori a1,a1,0x0 - #a2=gpregptr - 2c: 27a60000 addiu a2,sp,0 - #a3=ovrflw - 30: 27a70010 addiu a3,sp,16 - #load cpp_vtable_call addr - 34: 3c190000 lui t9,0x0 - 38: 37390000 ori t9,t9,0 - #jmp to the function,note: we don't use jalr, that will destroy $ra - #but be sure to use t9! gp calculation depends on it - 3c: 03200008 jr t9 - 40: 00000000 nop - - be careful, we use the argument space reserved by the caller to - write down regs. This can avoid the need to make use of arbitary far away - stack space or to allocate a function frame for this code snippet itself. - Since only functions with variable arguments will overwrite the space, - cpp_vtable_call should be safe. - ??? gcc seems change this behavior! cpp_vtable_call overwrite the space! - */ - - * p++ = 0xafa40000; - * p++ = 0xafa50004; - * p++ = 0xafa60008; - * p++ = 0xafa7000c; - * p++ = 0x3c040000 | ((functionIndex>>16) & 0x0000ffff); - * p++ = 0x34840000 | (functionIndex & 0x0000ffff); - * p++ = 0x3c050000 | ((vtableOffset>>16) & 0x0000ffff); - * p++ = 0x34a50000 | (vtableOffset & 0x0000ffff); - * p++ = 0x27a60000; - * p++ = 0x27a70010; - * p++ = 0x3c190000 | ((((unsigned long)cpp_vtable_call) >> 16) & 0x0000ffff); - * p++ = 0x37390000 | (((unsigned long)cpp_vtable_call) & 0x0000FFFF); - * p++ = 0x03200008; - * p++ = 0x00000000; - return (code + codeSnippetSize); - - } - - -} - - -#define MIN_LINE_SIZE 32 - -void bridges::cpp_uno::shared::VtableFactory::flushCode(unsigned char const * /*bptr*/, unsigned char const * /*eptr*/) -{ - sysmips(FLUSH_CACHE,0,0,0); -} - -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; //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]); - 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; -} - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |