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/**************************************************************
*
* 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.
*
*************************************************************/
#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>
using namespace ::rtl;
using namespace ::com::sun::star::uno;
void MapReturn(long d0, long d1, typelib_TypeClass eReturnType, long *pRegisterReturn)
{
register float fret asm("fp0");
register double dret asm("fp0");
switch( eReturnType )
{
case typelib_TypeClass_HYPER:
case typelib_TypeClass_UNSIGNED_HYPER:
pRegisterReturn[1] = d1;
case typelib_TypeClass_LONG:
case typelib_TypeClass_UNSIGNED_LONG:
case typelib_TypeClass_ENUM:
case typelib_TypeClass_CHAR:
case typelib_TypeClass_SHORT:
case typelib_TypeClass_UNSIGNED_SHORT:
case typelib_TypeClass_BOOLEAN:
case typelib_TypeClass_BYTE:
pRegisterReturn[0] = d0;
break;
case typelib_TypeClass_FLOAT:
*(float*)pRegisterReturn = fret;
break;
case typelib_TypeClass_DOUBLE:
*(double*)pRegisterReturn = dret;
break;
default:
break;
}
}
namespace
{
//================================================================
void callVirtualMethod(
void * pThis,
sal_Int32 nVtableIndex,
void * pRegisterReturn,
typelib_TypeClass eReturnType,
sal_uInt32 *pStack,
sal_uInt32 nStack) __attribute__((noinline));
void callVirtualMethod(
void * pThis,
sal_Int32 nVtableIndex,
void * pRegisterReturn,
typelib_TypeClass eReturnType,
sal_uInt32 *pStack,
sal_uInt32 nStack)
{
// never called
if (! pThis)
CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything("xxx"); // address something
if ( nStack )
{
// m68k stack is either 2 or 4 bytes aligned, doesn't really matter as
// we deal in 4 byte units anyway
sal_uInt32 nStackBytes = nStack * sizeof(sal_uInt32);
sal_uInt32 *stack = (sal_uInt32 *) __builtin_alloca( nStackBytes );
memcpy( stack, pStack, nStackBytes );
}
#ifdef CMC_DEBUG
// Let's figure out what is really going on here
{
fprintf( stderr, "\nStack (%d): ", nStack );
for ( unsigned int i = 0; i < nStack; ++i )
fprintf( stderr, "0x%lx, ", pStack[i] );
fprintf( stderr, "\n" );
fprintf( stderr, "pRegisterReturn is %p\n", pRegisterReturn);
}
#endif
sal_uInt32 pMethod = *((sal_uInt32*)pThis);
pMethod += 4 * nVtableIndex;
pMethod = *((sal_uInt32 *)pMethod);
typedef long (*FunctionCall )();
FunctionCall pFunc = (FunctionCall)pMethod;
//stick the return area into r8 for big struct returning
asm volatile("movel %0,%%a1" : : "m"(pRegisterReturn) : );
long d0 = (*pFunc)();
register long d1 asm("d1");
MapReturn(d0, d1, eReturnType, (long*)pRegisterReturn);
}
}
#define INSERT_INT32( pSV, pDS )\
*pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
#define INSERT_INT64( pSV, pDS )\
INSERT_INT32( pSV, pDS ) \
INSERT_INT32( ((sal_uInt32*)pSV)+1, pDS )
#define INSERT_FLOAT( pSV, pDS ) \
INSERT_INT32( pSV, pDS )
#define INSERT_DOUBLE( pSV, pDS ) \
INSERT_INT64( pSV, pDS )
#define INSERT_INT16( pSV, pDS ) \
*pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
#define INSERT_INT8( pSV, pDS ) \
*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;
// 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
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, pStack );
}
}
// push this
void * pAdjustedThisPtr = reinterpret_cast< void ** >(pThis->getCppI())
+ aVtableSlot.offset;
INSERT_INT32( &pAdjustedThisPtr, pStack );
// 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], pStack );
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], pStack );
break;
case typelib_TypeClass_SHORT:
case typelib_TypeClass_CHAR:
case typelib_TypeClass_UNSIGNED_SHORT:
INSERT_INT16( pCppArgs[nPos], pStack );
break;
case typelib_TypeClass_BOOLEAN:
case typelib_TypeClass_BYTE:
INSERT_INT8( pCppArgs[nPos], pStack );
break;
case typelib_TypeClass_FLOAT:
INSERT_FLOAT( pCppArgs[nPos], pStack );
break;
case typelib_TypeClass_DOUBLE:
INSERT_DOUBLE( pCppArgs[nPos], pStack );
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]), pStack );
}
}
try
{
callVirtualMethod(
pAdjustedThisPtr, aVtableSlot.index,
pCppReturn, pReturnTypeDescr->eTypeClass,
pStackStart,
(pStack - pStackStart));
// 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 (...)
{
// 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 );
}
}
}
} } }
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