Files
libreoffice/bridges/source/cpp_uno/gcc3_aix_powerpc/cpp2uno.cxx
2012-02-05 10:19:40 +01:00

657 lines
26 KiB
C++

/* -*- 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 2008 by Sun Microsystems, Inc.
*
* 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 <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 <string.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, double * fpreg, void ** ovrflw,
sal_uInt64 * pRegisterReturn /* space for register return */ )
{
// gpreg: [ret *], this, [gpr params]
// fpreg: [fpr params]
// ovrflw: [remainder of params]
// 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
sal_Int32 ng = 0;
sal_Int32 nf = 0;
ovrflw -= ppc::MAX_GPR_REGS;
if (pReturnTypeDescr)
{
if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
pUnoReturn = pRegisterReturn; // direct way for simple types
else // complex return via ptr (pCppReturn)
{
pCppReturn = *gpreg;
++gpreg;
++ng;
++ovrflw;
pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
? __builtin_alloca( pReturnTypeDescr->nSize )
: pCppReturn); // direct way
}
}
// pop this
++gpreg;
++ng;
++ovrflw;
// stack space
OSL_ENSURE( sizeof(void *) == sizeof(sal_Int32), "### unexpected size!" );
// parameters
void ** pUnoArgs = (void **)__builtin_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_BOOLEAN:
case typelib_TypeClass_BYTE:
if (ng < ppc::MAX_GPR_REGS)
{
*ovrflw = *gpreg++;
++ng;
}
pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-1));
++ovrflw;
break;
case typelib_TypeClass_CHAR:
case typelib_TypeClass_SHORT:
case typelib_TypeClass_UNSIGNED_SHORT:
if (ng < ppc::MAX_GPR_REGS)
{
*ovrflw = *gpreg++;
++ng;
}
pCppArgs[nPos] = pUnoArgs[nPos] = (((char *)ovrflw) + (sizeof(void*)-2));
++ovrflw;
break;
case typelib_TypeClass_HYPER:
case typelib_TypeClass_UNSIGNED_HYPER:
pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
for (int i = 0; i < 2; ++i)
{
if (ng < ppc::MAX_GPR_REGS)
{
*ovrflw = *gpreg++;
++ng;
}
++ovrflw;
}
break;
case typelib_TypeClass_DOUBLE:
if (nf < ppc::MAX_SSE_REGS)
{
pCppArgs[nPos] = pUnoArgs[nPos] = fpreg;
++fpreg;
++nf;
}
else
{
pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
}
if (ng < ppc::MAX_GPR_REGS)
{
ng+=2;
gpreg+=2;
}
ovrflw+=2;
break;
case typelib_TypeClass_FLOAT:
if (nf < ppc::MAX_SSE_REGS)
{
pCppArgs[nPos] = pUnoArgs[nPos] = fpreg;
++fpreg;
++nf;
}
else
{
pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
}
if (ng < ppc::MAX_GPR_REGS)
{
++gpreg;
++ng;
}
++ovrflw;
break;
default:
if (ng < ppc::MAX_GPR_REGS)
{
*ovrflw = *gpreg++;
++ng;
}
pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw;
++ovrflw;
break;
}
// no longer needed
TYPELIB_DANGER_RELEASE( pParamTypeDescr );
}
else // ptr to complex value | ref
{
void *pCppStack; //temporary stack pointer
if (ng < ppc::MAX_GPR_REGS)
{
*ovrflw = *gpreg++;
++ng;
}
pCppArgs[nPos] = pCppStack = *ovrflw++;
if (! rParam.bIn) // is pure out
{
// uno out is unconstructed mem!
pUnoArgs[nPos] = __builtin_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] = __builtin_alloca( pParamTypeDescr->nSize ),
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] = 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 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, double * fpreg, void ** ovrflw,
sal_uInt64 * 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 (in space allocated for all params properly aligned)]
void * pThis;
if( nFunctionIndex & 0x8000 )
{
nFunctionIndex &= 0x7fff;
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( 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] );
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( RTL_CONSTASCII_USTRINGPARAM( "no member description found!" )),
(XInterface *)pThis );
}
}
return eRet;
}
//==================================================================================================
/**
* is called on incoming vtable calls
* (called by asm snippets)
*/
static sal_uInt64 cpp_vtable_call(sal_Int32 r3, sal_Int32 r4, sal_Int32 r5,
sal_Int32 r6, sal_Int32 r7, sal_Int32 r8, sal_Int32 r9,
sal_Int32 r10, sal_Int32 firstonstack)
{
volatile unsigned long nOffsetAndIndex;
__asm__ __volatile__(
"mr %0, 11\n\t"
: "=r" (nOffsetAndIndex) : );
sal_Int32 nVtableOffset = (nOffsetAndIndex >> 16);
sal_Int32 nFunctionIndex = (nOffsetAndIndex & 0xFFFF);
void ** ovrflw = (void**)&firstonstack;
sal_Int32 gpreg[ppc::MAX_GPR_REGS];
gpreg[0] = r3;
gpreg[1] = r4;
gpreg[2] = r5;
gpreg[3] = r6;
gpreg[4] = r7;
gpreg[5] = r8;
gpreg[6] = r9;
gpreg[7] = r10;
double fpreg[ppc::MAX_SSE_REGS];
register double d0 asm("fr1"); fpreg[0] = d0;
register double d1 asm("fr2"); fpreg[1] = d1;
register double d2 asm("fr3"); fpreg[2] = d2;
register double d3 asm("fr4"); fpreg[3] = d3;
register double d4 asm("fr5"); fpreg[4] = d4;
register double d5 asm("fr6"); fpreg[5] = d5;
register double d6 asm("fr7"); fpreg[6] = d6;
register double d7 asm("fr8"); fpreg[7] = d7;
register double d8 asm("fr9"); fpreg[8] = d8;
register double d9 asm("fr10"); fpreg[9] = d9;
register double d10 asm("fr11"); fpreg[10] = d10;
register double d11 asm("fr12"); fpreg[11] = d11;
register double d12 asm("fr13"); fpreg[12] = d12;
#if OSL_DEBUG_LEVEL > 2
for(int i = 0; i < 8; ++i)
{
fprintf(stderr, "general reg %d is %x\n", i, gpreg[i]);
}
for(int i = 0; i < 13; ++i)
{
fprintf(stderr, "sse reg %d is %f\n", i, fpreg[i]);
fprintf(stderr, "sse reg %d is %llx\n", i, fpreg[i]);
}
for(int i = -8; i < 8; ++i)
{
fprintf(stderr, "overflow arg %d is %x\n", i, ovrflw[i]);
}
#endif
sal_uInt64 nRegReturn=0;
typelib_TypeClass aType =
cpp_mediate( nFunctionIndex, nVtableOffset, (void**)gpreg, fpreg, ovrflw, &nRegReturn );
sal_uInt32 *pRegReturn = (sal_uInt32*)&nRegReturn;
switch( aType )
{
case typelib_TypeClass_BOOLEAN:
pRegReturn[0] = (sal_uInt32)(*(char *)pRegReturn);
break;
case typelib_TypeClass_BYTE:
pRegReturn[0] = (sal_Int32)(*(unsigned char *)pRegReturn);
break;
case typelib_TypeClass_SHORT:
pRegReturn[0] = (sal_Int32)(*(short *)pRegReturn);
break;
case typelib_TypeClass_CHAR:
case typelib_TypeClass_UNSIGNED_SHORT:
pRegReturn[0] = (sal_uInt32)(*(unsigned short *)pRegReturn);
break;
case typelib_TypeClass_FLOAT:
__asm__("lfs 1,%0\n\t" : : "m"(*((float*)&nRegReturn)));
break;
case typelib_TypeClass_DOUBLE:
__asm__("lfd 1,%0\n\t" : : "m"(*((double*)&nRegReturn)));
break;
case typelib_TypeClass_HYPER:
case typelib_TypeClass_UNSIGNED_HYPER:
break;
default:
pRegReturn[0] = (sal_uInt32)(*(unsigned int*)pRegReturn);
break;
}
return nRegReturn;
}
int const codeSnippetSize = 3 * sizeof(void*);
unsigned char * codeSnippet( unsigned char * code, sal_Int16 functionIndex,
sal_Int16 vtableOffset, bool simpleRetType )
{
sal_uInt32 nOffsetAndIndex = ( ( vtableOffset ) << 16 ) | (functionIndex );
if (! simpleRetType )
nOffsetAndIndex |= 0x8000;
void **raw = (void**)&code[0];
memcpy(raw, (char*)cpp_vtable_call, 2 * sizeof(void*));
raw[2] = (void*)nOffsetAndIndex;
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,
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;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */