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|
/* -*- 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_bridges.hxx"
#include <sal/alloca.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 "cc50_solaris_sparc.hxx"
#include "flushcode.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: [return 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 = *pCallStack;
pCppStack += sizeof( void* );
pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType(
pReturnTypeDescr )
? alloca( pReturnTypeDescr->nSize )
: pCppReturn); // direct way
}
}
// pop this
pCppStack += sizeof( void* );
// 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
{
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:
pCppStack += sizeof(sal_Int32); // extra long
}
// 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 );
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 );
}
}
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 no 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::cc50_solaris_sparc_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,
reinterpret_cast< uno_ReleaseFunc >(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 */ )
{
OSL_ENSURE( sizeof(sal_Int32)==sizeof(void *), "### unexpected!" );
// pCallStack: this, params
void * pThis;
if( nFunctionIndex & 0x80000000 )
{
nFunctionIndex &= 0x7fffffff;
pThis = pCallStack[1];
}
else
{
pThis = pCallStack[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!" );
// 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
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)
{
// standard XInterface vtable calls
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,
reinterpret_cast< uno_AcquireFunc >(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;
}
}
return eRet;
}
}
//==================================================================================================
extern "C" int cpp_vtable_call(
int nFunctionIndex, int nVtableOffset, void** pCallStack )
{
sal_Int64 nRegReturn;
typelib_TypeClass aType = cpp_mediate(
nFunctionIndex, nVtableOffset, pCallStack, &nRegReturn );
OSL_ASSERT( sizeof(void *) == sizeof(sal_Int32) );
switch( aType )
{
// move return value into register space
// (will be loaded by machine code snippet)
// Use pCallStack[1/2] instead of pCallStack[0/1], because the former is
// properly dword aligned:
case typelib_TypeClass_BOOLEAN:
case typelib_TypeClass_BYTE:
pCallStack[1] = (void*)*(char*)&nRegReturn;
break;
case typelib_TypeClass_CHAR:
case typelib_TypeClass_SHORT:
case typelib_TypeClass_UNSIGNED_SHORT:
pCallStack[1] = (void*)*(short*)&nRegReturn;
break;
case typelib_TypeClass_DOUBLE:
case typelib_TypeClass_HYPER:
case typelib_TypeClass_UNSIGNED_HYPER:
// move long to %i1
pCallStack[2] = ((void **)&nRegReturn)[ 1 ];
case typelib_TypeClass_FLOAT:
default:
// move long to %i0
pCallStack[1] = ((void **)&nRegReturn)[ 0 ];
break;
}
return aType;
}
//==================================================================================================
namespace {
extern "C" void privateSnippetExecutor();
int const codeSnippetSize = 7 * 4;
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);
OSL_ASSERT(sizeof (unsigned int) == 4);
// save %sp, -96, %sp ! 92 byte minimal stack frame, + 4 byte dword align:
*p++ = 0x9DE3BFA0;
// sethi %hi(privateSnippetExecutor), %l0:
*p++ = 0x21000000
| (reinterpret_cast< unsigned int >(privateSnippetExecutor) >> 10);
// sethi %hi(index), %o0:
*p++ = 0x11000000 | (index >> 10);
// or %o0, %lo(index), %o0:
*p++ = 0x90122000 | (index & 0x3FF);
// sethi %hi(vtableOffset), %o1:
*p++ = 0x13000000 | (vtableOffset >> 10);
// jmpl %l0, %lo(privateSnippetExecutor), %g0:
*p++ = 0x81C42000
| (reinterpret_cast< unsigned int >(privateSnippetExecutor) & 0x3FF);
// or %o1, %lo(vtableOffset), %o1:
*p++ = 0x92126000 | (vtableOffset & 0x3FF);
OSL_ASSERT(
reinterpret_cast< unsigned char * >(p) - code <= codeSnippetSize);
return code + codeSnippetSize;
}
}
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) + 1;
}
sal_Size bridges::cpp_uno::shared::VtableFactory::getBlockSize(
sal_Int32 slotCount)
{
return (slotCount + 3) * 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) + 2;
slots[-3].fn = 0; // RTTI
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,
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]);
OSL_ASSERT(member != 0);
switch (member->eTypeClass) {
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
// Getter:
(s++)->fn = code;
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;
code = codeSnippet(code, functionOffset++, vtableOffset, true);
}
break;
case typelib_TypeClass_INTERFACE_METHOD:
(s++)->fn = code;
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;
}
void bridges::cpp_uno::shared::VtableFactory::flushCode(
unsigned char const * begin, unsigned char const * end)
{
bridges::cpp_uno::cc50_solaris_sparc::flushCode(begin, end);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|