diff options
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_arm/uno2cpp.cxx')
-rw-r--r-- | bridges/source/cpp_uno/gcc3_linux_arm/uno2cpp.cxx | 623 |
1 files changed, 623 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_arm/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_linux_arm/uno2cpp.cxx new file mode 100644 index 000000000000..b365bdb8aee1 --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_linux_arm/uno2cpp.cxx @@ -0,0 +1,623 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: uno2cpp.cxx,v $ + * $Revision: 1.4 $ + * + * 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 <malloc.h> +#include <rtl/alloc.h> + +#include <com/sun/star/uno/genfunc.hxx> +#include "com/sun/star/uno/RuntimeException.hpp" +#include <uno/data.h> + +#include <bridges/cpp_uno/shared/bridge.hxx> +#include <bridges/cpp_uno/shared/types.hxx> +#include <bridges/cpp_uno/shared/unointerfaceproxy.hxx> +#include <bridges/cpp_uno/shared/vtables.hxx> + +#include "share.hxx" + +#include <stdio.h> +#include <string.h> + +#if defined(__ARM_EABI__) && !defined(__SOFTFP__) +#error Not Implemented + +/* + some possibly handy code to detect that we have VFP registers + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <elf.h> + +#define HWCAP_ARM_VFP 64 + +int hasVFP(void) +{ + int fd = open ("/proc/self/auxv", O_RDONLY); + if (fd == -1) + return -1; + + int ret = -1; + + Elf32_auxv_t buf[128]; + ssize_t n; + while ((ret == -1) && ((n = read(fd, buf, sizeof (buf))) > 0)) + { + for (int i = 0; i < 128; ++i) + { + if (buf[i].a_type == AT_HWCAP) + { + ret = (buf[i].a_un.a_val & HWCAP_ARM_VFP) ? true : false; + break; + } + else if (buf[i].a_type == AT_NULL) + { + ret = -2; + break; + } + } + } + + close (fd); + return ret; +} + +#endif + +using namespace ::rtl; +using namespace ::com::sun::star::uno; + +namespace arm +{ + enum armlimits { MAX_GPR_REGS = 4 }; +} + +void MapReturn(long r0, long r1, typelib_TypeClass eReturnType, void *pRegisterReturn) +{ +#ifndef __SOFTFP__ + register float fret asm("f0"); + register double dret asm("f0"); +#endif + + switch( eReturnType ) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + ((long*)pRegisterReturn)[1] = r1; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_ENUM: + ((long*)pRegisterReturn)[0] = r0; + break; + case typelib_TypeClass_CHAR: + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + *(unsigned short*)pRegisterReturn = (unsigned short)r0; + break; + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + *(unsigned char*)pRegisterReturn = (unsigned char)r0; + break; + case typelib_TypeClass_FLOAT: +#ifdef __SOFTFP__ + ((long*)pRegisterReturn)[0] = r0; +#else + *(float*)pRegisterReturn = fret; +#endif + break; + case typelib_TypeClass_DOUBLE: +#ifdef __SOFTFP__ + ((long*)pRegisterReturn)[1] = r1; + ((long*)pRegisterReturn)[0] = r0; +#else + *(double*)pRegisterReturn = dret; +#endif + break; + default: + break; + } +} + +namespace +{ +//================================================================ + +void callVirtualMethod( + void * pThis, + sal_Int32 nVtableIndex, + void * pRegisterReturn, + typelib_TypeClass eReturnType, + sal_uInt32 *pStack, + sal_uInt32 nStack, + sal_uInt32 *pGPR, + sal_uInt32 nGPR) __attribute__((noinline)); + +void callVirtualMethod( + void * pThis, + sal_Int32 nVtableIndex, + void * pRegisterReturn, + typelib_TypeClass eReturnType, + sal_uInt32 *pStack, + sal_uInt32 nStack, + sal_uInt32 *pGPR, + sal_uInt32 nGPR) +{ + // never called + if (! pThis) + CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything("xxx"); // address something + + if ( nStack ) + { + // 8-bytes aligned + sal_uInt32 nStackBytes = ( ( nStack + 1 ) >> 1 ) * 8; + sal_uInt32 *stack = (sal_uInt32 *) __builtin_alloca( nStackBytes ); + memcpy( stack, pStack, nStackBytes ); + } + + // Should not happen, but... + if ( nGPR > arm::MAX_GPR_REGS ) + nGPR = arm::MAX_GPR_REGS; + + sal_uInt32 pMethod = *((sal_uInt32*)pThis); + pMethod += 4 * nVtableIndex; + pMethod = *((sal_uInt32 *)pMethod); + + typedef void (*FunctionCall )( sal_uInt32, sal_uInt32, sal_uInt32, sal_uInt32); + FunctionCall pFunc = (FunctionCall)pMethod; + + // fill registers + __asm__ __volatile__ ( + "ldr r0, [%0, #0]\n\t" + "ldr r1, [%0, #4]\n\t" + "ldr r2, [%0, #8]\n\t" + "ldr r3, [%0, #12]\n\t" + : : "r" (pGPR) + : "r0", "r1", "r2", "r3" + ); + + // tell gcc that r0 to r3 are not available to it + register sal_uInt32 r0 asm("r0"); + register sal_uInt32 r1 asm("r1"); + register sal_uInt32 r2 asm("r2"); + register sal_uInt32 r3 asm("r3"); + + (*pFunc)(r0, r1, r2, r3); + + // get return value + __asm__ __volatile__ ( + "mov %0, r0\n\t" + "mov %1, r1\n\t" + : "=r" (r0), "=r" (r1) : ); + + MapReturn(r0, r1, eReturnType, pRegisterReturn); +} +} + +#define INSERT_INT32( pSV, nr, pGPR, pDS, bOverflow ) \ + if ( nr < arm::MAX_GPR_REGS ) \ + pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \ + else \ + bOverFlow = true; \ + if (bOverFlow) \ + *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV ); + +#ifdef __ARM_EABI__ +#define INSERT_INT64( pSV, nr, pGPR, pDS, pStart, bOverflow ) \ + if ( (nr < arm::MAX_GPR_REGS) && (nr % 2) ) \ + { \ + ++nr; \ + } \ + if ( nr < arm::MAX_GPR_REGS ) \ + { \ + pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \ + pGPR[nr++] = *(reinterpret_cast<sal_uInt32 *>( pSV ) + 1); \ + } \ + else \ + bOverFlow = true; \ + if (bOverFlow) \ + { \ + if ( (pDS - pStart) % 2) \ + { \ + ++pDS; \ + } \ + *pDS++ = reinterpret_cast<sal_uInt32 *>( pSV )[0]; \ + *pDS++ = reinterpret_cast<sal_uInt32 *>( pSV )[1]; \ + } +#else +#define INSERT_INT64( pSV, nr, pGPR, pDS, pStart, bOverflow ) \ + INSERT_INT32( pSV, nr, pGPR, pDS, bOverflow) \ + INSERT_INT32( ((sal_uInt32*)pSV)+1, nr, pGPR, pDS, bOverflow) +#endif + +#define INSERT_FLOAT( pSV, nr, pFPR, pDS, bOverflow ) \ + INSERT_INT32( pSV, nr, pGPR, pDS, bOverflow) + +#define INSERT_DOUBLE( pSV, nr, pFPR, pDS, pStart, bOverflow ) \ + INSERT_INT64( pSV, nr, pGPR, pDS, pStart, bOverflow ) + +#define INSERT_INT16( pSV, nr, pGPR, pDS, bOverflow ) \ + if ( nr < arm::MAX_GPR_REGS ) \ + pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \ + else \ + bOverFlow = true; \ + if (bOverFlow) \ + *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV ); + +#define INSERT_INT8( pSV, nr, pGPR, pDS, bOverflow ) \ + if ( nr < arm::MAX_GPR_REGS ) \ + pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \ + else \ + bOverFlow = true; \ + if (bOverFlow) \ + *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV ); + +namespace { +//======================================================================= +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 ... + sal_uInt32 * pStack = (sal_uInt32 *)__builtin_alloca( + sizeof(sal_Int32) + ((nParams+2) * sizeof(sal_Int64)) ); + sal_uInt32 * pStackStart = pStack; + + sal_uInt32 pGPR[arm::MAX_GPR_REGS]; + sal_uInt32 nGPR = 0; + + // return + typelib_TypeDescription * pReturnTypeDescr = 0; + TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef ); + OSL_ENSURE( pReturnTypeDescr, "### expected return type description!" ); + + void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion + + bool bOverFlow = false; + + if (pReturnTypeDescr) + { + + if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr )) + { + pCppReturn = pUnoReturn; // direct way for simple types + } + else + { + // complex return via ptr + pCppReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr ) + ? __builtin_alloca( pReturnTypeDescr->nSize ) + : pUnoReturn); // direct way + + INSERT_INT32( &pCppReturn, nGPR, pGPR, pStack, bOverFlow ); + } + } + // push this + void * pAdjustedThisPtr = reinterpret_cast< void ** >(pThis->getCppI()) + + aVtableSlot.offset; + INSERT_INT32( &pAdjustedThisPtr, nGPR, pGPR, pStack, bOverFlow ); + + // stack space + OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" ); + // args + void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams ); + // indizes of values this have to be converted (interface conversion cpp<=>uno) + sal_Int32 * pTempIndizes = (sal_Int32 *)(pCppArgs + nParams); + // type descriptions for reconversions + typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * 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 )) + { +// uno_copyAndConvertData( pCppArgs[nPos] = pStack, pUnoArgs[nPos], + uno_copyAndConvertData( pCppArgs[nPos] = alloca(8), pUnoArgs[nPos], + pParamTypeDescr, pThis->getBridge()->getUno2Cpp() ); + + switch (pParamTypeDescr->eTypeClass) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: +#ifdef CMC_DEBUG + fprintf(stderr, "hyper is %lx\n", pCppArgs[nPos]); +#endif + INSERT_INT64( pCppArgs[nPos], nGPR, pGPR, pStack, pStackStart, bOverFlow ); + break; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_ENUM: +#ifdef CMC_DEBUG + fprintf(stderr, "long is %x\n", pCppArgs[nPos]); +#endif + INSERT_INT32( pCppArgs[nPos], nGPR, pGPR, pStack, bOverFlow ); + break; + case typelib_TypeClass_SHORT: + case typelib_TypeClass_CHAR: + case typelib_TypeClass_UNSIGNED_SHORT: + INSERT_INT16( pCppArgs[nPos], nGPR, pGPR, pStack, bOverFlow ); + break; + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + INSERT_INT8( pCppArgs[nPos], nGPR, pGPR, pStack, bOverFlow ); + break; + case typelib_TypeClass_FLOAT: + INSERT_FLOAT( pCppArgs[nPos], nGPR, pGPR, pStack, bOverFlow ); + break; + case typelib_TypeClass_DOUBLE: + INSERT_DOUBLE( pCppArgs[nPos], nGPR, pGPR, pStack, pStackStart, bOverFlow ); + 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( + pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), + pParamTypeDescr ); + pTempIndizes[nTempIndizes] = nPos; // default constructed for cpp call + // will be released at reconversion + ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; + } + // is in/inout + else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr )) + { + uno_copyAndConvertData( + pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ), + pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() ); + + pTempIndizes[nTempIndizes] = nPos; // has to be reconverted + // will be released at reconversion + ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr; + } + else // direct way + { + pCppArgs[nPos] = pUnoArgs[nPos]; + // no longer needed + TYPELIB_DANGER_RELEASE( pParamTypeDescr ); + } + INSERT_INT32( &(pCppArgs[nPos]), nGPR, pGPR, pStack, bOverFlow ); + } + } + + try + { + callVirtualMethod( + pAdjustedThisPtr, aVtableSlot.index, + pCppReturn, pReturnTypeDescr->eTypeClass, + pStackStart, + (pStack - pStackStart), + pGPR, nGPR); + + // NO exception occured... + *ppUnoExc = 0; + + // reconvert temporary params + for ( ; nTempIndizes--; ) + { + sal_Int32 nIndex = pTempIndizes[nTempIndizes]; + typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes]; + + 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 (...) + { +// __asm__ __volatile__ ("sub sp, sp, #2048\n"); + + // fill uno exception + fillUnoException( CPPU_CURRENT_NAMESPACE::__cxa_get_globals()->caughtExceptions, *ppUnoExc, pThis->getBridge()->getCpp2Uno() ); + + // temporary params + for ( ; nTempIndizes--; ) + { + sal_Int32 nIndex = pTempIndizes[nTempIndizes]; + // destroy temp cpp param => cpp: every param was constructed + uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndizes], cpp_release ); + TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndizes] ); + } + + // return type + if (pReturnTypeDescr) + TYPELIB_DANGER_RELEASE( pReturnTypeDescr ); + } +} +} + +namespace bridges { namespace cpp_uno { namespace 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); + typelib_InterfaceTypeDescription * pTypeDescr = pThis->pTypeDescr; + + switch (pMemberDescr->eTypeClass) + { + case typelib_TypeClass_INTERFACE_ATTRIBUTE: + { + // determine vtable call index + sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition; + OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" ); + + 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( RTL_CONSTASCII_USTRINGPARAM("void") ); + typelib_typedescriptionreference_new( + &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData ); + + // dependent dispatch + aVtableSlot.index += 1; + cpp_call( + pThis, aVtableSlot, // get, then set method + pReturnTypeRef, + 1, &aParam, + pReturn, pArgs, ppException ); + + typelib_typedescriptionreference_release( pReturnTypeRef ); + } + + break; + } + case typelib_TypeClass_INTERFACE_METHOD: + { + // determine vtable call index + sal_Int32 nMemberPos = ((typelib_InterfaceMemberTypeDescription *)pMemberDescr)->nPosition; + OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### member pos out of range!" ); + + 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->getBridge()->getUnoEnv()->getRegisteredInterface)( + pThis->getBridge()->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( + OUString( RTL_CONSTASCII_USTRINGPARAM("illegal member type description!") ), + ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() ); + + Type const & rExcType = ::getCppuType( &aExc ); + // binary identical null reference + ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 ); + } + } +} + +} } } + +/* vi:set tabstop=4 shiftwidth=4 expandtab: */ |