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INTEGRATION: CWS sixtyfour03 (1.3.32); FILE MERGED

Browse Source 
2006/03/06 11:27:36 kendy 1.3.32.3: #i62810#
x86-64 bridge improvements: more x86-64 ABI improvements
2006/03/06 11:18:56 kendy 1.3.32.2: #i62810#
x86-64 bridge improvements: conform to x86-64 ABI
2006/03/06 11:13:50 kendy 1.3.32.1: #i62810#
x86-64 bridge improvements: code snippet must be in a separate assembler function to have debug info (necessary for exceptions)
This commit is contained in:
Rüdiger Timm
2006-03-08 07:50:13 +00:00
parent 0cdb72e0a9
commit 68f89d32e3
1 changed files with 287 additions and 408 deletions
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695
bridges/source/cpp_uno/gcc3_linux_x86-64/cpp2uno.cxx
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@@ -4,9 +4,9 @@
*
* $RCSfile: cpp2uno.cxx,v $
*
* $Revision: 1.3 $
* $Revision: 1.4 $
*
* last change: $Author: rt $ $Date: 2005-09-07 22:26:18 $
* last change: $Author: rt $ $Date: 2006-03-08 08:50:13 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
@@ -40,33 +40,39 @@
#include <rtl/alloc.h>
#include <osl/mutex.hxx>
#include <com/sun/star/uno/genfunc.hxx>
#include "com/sun/star/uno/RuntimeException.hpp"
#include <uno/data.h>
#include <typelib/typedescription.hxx>
#include <bridges/cpp_uno/bridge.hxx>
#include <bridges/cpp_uno/type_misc.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 "abi.hxx"
#include "share.hxx"
using namespace ::osl;
using namespace ::rtl;
using namespace ::com::sun::star::uno;
namespace CPPU_CURRENT_NAMESPACE
{
// 6 integral parameters are passed in registers
const sal_uInt32 GPR_COUNT = 6;
// 8 floating point parameters are passed in SSE registers
const sal_uInt32 FPR_COUNT = 8;
//==================================================================================================
rtl_StandardModuleCount g_moduleCount = MODULE_COUNT_INIT;
//==================================================================================================
// Perform the UNO call
//
// We must convert the paramaters stored in gpreg, fpreg and ovrflw to UNO
// arguments and call pThis->getUnoI()->pDispatcher.
//
// gpreg: [ret *], this, [gpr params]
// fpreg: [fpr params]
// ovrflw: [gpr or fpr params (properly aligned)]
//
// [ret *] is present when we are returning a structure bigger than 16 bytes
// Simple types are returned in rax, rdx (int), or xmm0, xmm1 (fp).
// Similarly structures <= 16 bytes are in rax, rdx, xmm0, xmm1 as necessary.
static typelib_TypeClass cpp2uno_call(
cppu_cppInterfaceProxy * pThis,
bridges::cpp_uno::shared::CppInterfaceProxy * pThis,
const typelib_TypeDescription * pMemberTypeDescr,
typelib_TypeDescriptionReference * pReturnTypeRef, // 0 indicates void return
sal_Int32 nParams, typelib_MethodParameter * pParams,
@@ -75,11 +81,6 @@ static typelib_TypeClass cpp2uno_call(
{
int nr_gpr = 0; //number of gpr registers used
int nr_fpr = 0; //number of fpr regsiters used
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;
@@ -89,23 +90,21 @@ static typelib_TypeClass cpp2uno_call(
void * pUnoReturn = 0;
void * pCppReturn = 0; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
if (pReturnTypeDescr)
if ( pReturnTypeDescr )
{
if (cppu_isSimpleType( pReturnTypeDescr ))
if ( x86_64::return_in_hidden_param( pReturnTypeRef ) )
{
pUnoReturn = pRegisterReturn; // direct way for simple types
}
else // complex return via ptr (pCppReturn)
{
pCppReturn = *(void **)gpreg;
gpreg++;
pCppReturn = *gpreg++;
nr_gpr++;
pUnoReturn = (cppu_relatesToInterface( pReturnTypeDescr )
? alloca( pReturnTypeDescr->nSize )
: pCppReturn); // direct way
pUnoReturn = ( bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
? alloca( pReturnTypeDescr->nSize )
: pCppReturn ); // direct way
}
else
pUnoReturn = pRegisterReturn; // direct way for simple types
}
// pop this
gpreg++;
nr_gpr++;
@@ -119,7 +118,7 @@ static typelib_TypeClass cpp2uno_call(
// type descriptions for reconversions
typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pUnoArgs + (3 * nParams));
sal_Int32 nTempIndizes = 0;
sal_Int32 nTempIndizes = 0;
for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
{
@@ -127,59 +126,69 @@ static typelib_TypeClass cpp2uno_call(
typelib_TypeDescription * pParamTypeDescr = 0;
TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
if (!rParam.bOut && cppu_isSimpleType( pParamTypeDescr )) // value
int nUsedGPR = 0;
int nUsedSSE = 0;
bool bFitsRegisters = x86_64::examine_argument( rParam.pTypeRef, false, nUsedGPR, nUsedSSE );
if ( !rParam.bOut && bridges::cpp_uno::shared::isSimpleType( pParamTypeDescr ) ) // value
{
if (pParamTypeDescr->eTypeClass == typelib_TypeClass_FLOAT
|| pParamTypeDescr->eTypeClass == typelib_TypeClass_DOUBLE)
// Simple types must fit exactly one register on x86_64
OSL_ASSERT( bFitsRegisters && ( ( nUsedSSE == 1 && nUsedGPR == 0 ) || ( nUsedSSE == 0 && nUsedGPR == 1 ) ) );
if ( nUsedSSE == 1 )
{
if (nr_fpr < FPR_COUNT)
{
pCppArgs[nPos] = fpreg;
pUnoArgs[nPos] = fpreg;
nr_fpr++;
fpreg++;
}
else
{
pCppArgs[nPos] = ovrflw;
pUnoArgs[nPos] = ovrflw;
ovrflw++;
}
}
else
{
if (nr_gpr < GPR_COUNT)
if ( nr_fpr < x86_64::MAX_SSE_REGS )
{
pCppArgs[nPos] = gpreg;
pUnoArgs[nPos] = gpreg;
nr_gpr++;
gpreg++;
pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++;
nr_fpr++;
}
else
{
pCppArgs[nPos] = ovrflw;
pUnoArgs[nPos] = ovrflw;
ovrflw++;
}
pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw++;
}
else if ( nUsedGPR == 1 )
{
if ( nr_gpr < x86_64::MAX_GPR_REGS )
{
pCppArgs[nPos] = pUnoArgs[nPos] = gpreg++;
nr_gpr++;
}
else
pCppArgs[nPos] = pUnoArgs[nPos] = ovrflw++;
}
// no longer needed
TYPELIB_DANGER_RELEASE( pParamTypeDescr );
}
else // ptr to complex value | ref
else // struct <= 16 bytes || ptr to complex value || ref
{
if (nr_gpr < GPR_COUNT)
void *pCppStack;
char pTmpStruct[16];
if ( bFitsRegisters && !rParam.bOut &&
( pParamTypeDescr->eTypeClass == typelib_TypeClass_STRUCT ||
pParamTypeDescr->eTypeClass == typelib_TypeClass_EXCEPTION ) )
{
pCppArgs[nPos] = *(void **)gpreg;
pCppStack = gpreg;
if ( ( nr_gpr + nUsedGPR <= x86_64::MAX_GPR_REGS ) && ( nr_fpr + nUsedSSE <= x86_64::MAX_SSE_REGS ) )
{
x86_64::fill_struct( rParam.pTypeRef, gpreg, fpreg, pTmpStruct );
#if OSL_DEBUG_LEVEL > 1
fprintf( stderr, "nUsedGPR == %d, nUsedSSE == %d, pTmpStruct[0] == 0x%x, pTmpStruct[1] == 0x%x, **gpreg == 0x%lx\n",
nUsedGPR, nUsedSSE, pTmpStruct[0], pTmpStruct[1], *(sal_uInt64*)*gpreg );
#endif
pCppArgs[nPos] = pCppStack = reinterpret_cast<void *>( pTmpStruct );
gpreg += nUsedGPR;
fpreg += nUsedSSE;
}
else
pCppArgs[nPos] = pCppStack = *ovrflw++;
}
else if ( nr_gpr < x86_64::MAX_GPR_REGS )
{
pCppArgs[nPos] = pCppStack = *gpreg++;
nr_gpr++;
gpreg++;
}
else
{
pCppArgs[nPos] = *(void **)ovrflw;
pCppStack = ovrflw;
ovrflw++;
}
pCppArgs[nPos] = pCppStack = *ovrflw++;
if (! rParam.bIn) // is pure out
{
@@ -189,19 +198,18 @@ static typelib_TypeClass cpp2uno_call(
// will be released at reconversion
ppTempParamTypeDescr[nTempIndizes++] = pParamTypeDescr;
}
// is in/inout
else if (cppu_relatesToInterface( pParamTypeDescr ))
else if ( bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ) ) // is in/inout
{
uno_copyAndConvertData( pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize ),
*(void **)pCppStack, pParamTypeDescr,
&pThis->pBridge->aCpp2Uno );
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;
pUnoArgs[nPos] = pCppStack;
// no longer needed
TYPELIB_DANGER_RELEASE( pParamTypeDescr );
}
@@ -213,10 +221,10 @@ static typelib_TypeClass cpp2uno_call(
uno_Any * pUnoExc = &aUnoExc;
// invoke uno dispatch call
(*pThis->pUnoI->pDispatcher)( pThis->pUnoI, pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
(*pThis->getUnoI()->pDispatcher)( pThis->getUnoI(), pMemberTypeDescr, pUnoReturn, pUnoArgs, &pUnoExc );
// in case an exception occured...
if (pUnoExc)
if ( pUnoExc )
{
// destruct temporary in/inout params
for ( ; nTempIndizes--; )
@@ -230,7 +238,7 @@ static typelib_TypeClass cpp2uno_call(
if (pReturnTypeDescr)
TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
raiseException( &aUnoExc, &pThis->pBridge->aUno2Cpp ); // has to destruct the any
CPPU_CURRENT_NAMESPACE::raiseException( &aUnoExc, pThis->getBridge()->getUno2Cpp() ); // has to destruct the any
// is here for dummy
return typelib_TypeClass_VOID;
}
@@ -242,12 +250,12 @@ static typelib_TypeClass cpp2uno_call(
sal_Int32 nIndex = pTempIndizes[nTempIndizes];
typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndizes];
if (pParams[nIndex].bOut) // inout/out
if ( pParams[nIndex].bOut ) // inout/out
{
// convert and assign
uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
uno_copyAndConvertData( pCppArgs[nIndex], pUnoArgs[nIndex], pParamTypeDescr,
&pThis->pBridge->aUno2Cpp );
pThis->getBridge()->getUno2Cpp() );
}
// destroy temp uno param
uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 );
@@ -255,19 +263,19 @@ static typelib_TypeClass cpp2uno_call(
TYPELIB_DANGER_RELEASE( pParamTypeDescr );
}
// return
if (pCppReturn) // has complex return
if ( pCppReturn ) // has complex return
{
if (pUnoReturn != pCppReturn) // needs reconversion
if ( pUnoReturn != pCppReturn ) // needs reconversion
{
uno_copyAndConvertData( pCppReturn, pUnoReturn, pReturnTypeDescr,
&pThis->pBridge->aUno2Cpp );
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)
if ( pReturnTypeDescr )
{
typelib_TypeClass eRet = (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
@@ -280,377 +288,248 @@ static typelib_TypeClass cpp2uno_call(
//==================================================================================================
static typelib_TypeClass cpp_mediate(
sal_Int32 nVtableCall,
extern "C" typelib_TypeClass cpp_vtable_call(
sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
void ** gpreg, void ** fpreg, void ** ovrflw,
sal_uInt64 * pRegisterReturn /* space for register return */ )
{
// gpreg: [ret *], this, [other gpr params]
// fpreg: [fpr params]
// ovrflw: [gpr or fpr params (properly aligned)]
// _this_ ptr is patched cppu_XInterfaceProxy object
cppu_cppInterfaceProxy * pCppI = NULL;
if( nVtableCall & 0x80000000 )
void * pThis;
if ( nFunctionIndex & 0x80000000 )
{
nVtableCall &= 0x7fffffff;
pCppI = (cppu_cppInterfaceProxy *)(XInterface *)*(gpreg +1);
nFunctionIndex &= 0x7fffffff;
pThis = gpreg[1];
}
else
{
pCppI = (cppu_cppInterfaceProxy *)(XInterface *)*(gpreg);
pThis = gpreg[0];
}
pThis = static_cast<char *>( pThis ) - nVtableOffset;
typelib_InterfaceTypeDescription * pTypeDescr = pCppI->pTypeDescr;
bridges::cpp_uno::shared::CppInterfaceProxy * pCppI =
bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy( pThis );
OSL_ENSURE( nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!\n" );
if (nVtableCall >= pTypeDescr->nMapFunctionIndexToMemberIndex)
typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
OSL_ENSURE( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!\n" );
if ( nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex )
{
throw RuntimeException(
OUString::createFromAscii("illegal vtable index!"),
(XInterface *)pCppI );
throw RuntimeException( OUString::createFromAscii("illegal vtable index!"),
reinterpret_cast<XInterface *>( pCppI ) );
}
// determine called method
OSL_ENSURE( nVtableCall < pTypeDescr->nMapFunctionIndexToMemberIndex, "### illegal vtable index!\n" );
sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nVtableCall];
sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
OSL_ENSURE( nMemberPos < pTypeDescr->nAllMembers, "### illegal member index!\n" );
TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
typelib_TypeClass eRet;
switch (aMemberDescr.get()->eTypeClass)
switch ( aMemberDescr.get()->eTypeClass )
{
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
{
if (pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nVtableCall)
case typelib_TypeClass_INTERFACE_ATTRIBUTE:
{
// 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;
typelib_TypeDescriptionReference *pAttrTypeRef =
reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( aMemberDescr.get() )->pAttributeTypeRef;
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 (nVtableCall)
{
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)
if ( pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex )
{
XInterface * pInterface = 0;
(*pCppI->pBridge->pCppEnv->getRegisteredInterface)(
pCppI->pBridge->pCppEnv,
(void **)&pInterface, pCppI->oid.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 );
// is GET method
eRet = cpp2uno_call( pCppI, aMemberDescr.get(), pAttrTypeRef,
0, 0, // no params
gpreg, fpreg, ovrflw, pRegisterReturn );
}
} // 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 );
else
{
// is SET method
typelib_MethodParameter aParam;
aParam.pTypeRef = pAttrTypeRef;
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,
reinterpret_cast<typelib_InterfaceTypeDescription *>( pTD ) );
if ( pInterface )
{
::uno_any_construct( reinterpret_cast<uno_Any *>( gpreg[0] ),
&pInterface, pTD, cpp_acquire );
pInterface->release();
TYPELIB_DANGER_RELEASE( pTD );
reinterpret_cast<void **>( pRegisterReturn )[0] = gpreg[0];
eRet = typelib_TypeClass_ANY;
break;
}
TYPELIB_DANGER_RELEASE( pTD );
}
} // else perform queryInterface()
default:
{
typelib_InterfaceMethodTypeDescription *pMethodTD =
reinterpret_cast<typelib_InterfaceMethodTypeDescription *>( aMemberDescr.get() );
eRet = cpp2uno_call( pCppI, aMemberDescr.get(),
pMethodTD->pReturnTypeRef,
pMethodTD->nParams,
pMethodTD->pParams,
gpreg, fpreg, ovrflw, pRegisterReturn );
}
}
break;
}
default:
{
throw RuntimeException( OUString::createFromAscii("no member description found!"),
reinterpret_cast<XInterface *>( pCppI ) );
// is here for dummy
eRet = typelib_TypeClass_VOID;
}
break;
}
default:
{
throw RuntimeException(
OUString::createFromAscii("no member description found!"),
(XInterface *)pCppI );
// 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(sal_uInt32 nTableEntry,
void** ovrflw, void** gpregptr, void** fpregptr)
extern "C" void privateSnippetExecutor( ... );
const int codeSnippetSize = 24;
// Generate a trampoline that redirects method calls to
// privateSnippetExecutor().
//
// privateSnippetExecutor() saves all the registers that are used for
// parameter passing on x86_64, and calls the cpp_vtable_call().
// When it returns, privateSnippetExecutor() sets the return value.
//
// Note: The code snippet we build here must not create a stack frame,
// otherwise the UNO exceptions stop working thanks to non-existing
// unwinding info.
unsigned char * codeSnippet( unsigned char * code,
sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
bool bHasHiddenParam ) SAL_THROW( () )
{
sal_uInt64 gpreg[GPR_COUNT];
double fpreg[FPR_COUNT];
sal_uInt64 nOffsetAndIndex = ( ( (sal_uInt64) nVtableOffset ) << 32 ) | ( (sal_uInt64) nFunctionIndex );
memcpy( gpreg, gpregptr, sizeof(gpreg) );
memcpy( fpreg, fpregptr, sizeof(fpreg) );
if ( bHasHiddenParam )
nOffsetAndIndex |= 0x80000000;
volatile sal_uInt64 nRegReturn[3];
// movq $<nOffsetAndIndex>, %r10
*reinterpret_cast<sal_uInt16 *>( code ) = 0xba49;
*reinterpret_cast<sal_uInt64 *>( code + 2 ) = nOffsetAndIndex;
#ifdef DEBUG
fprintf(stderr, "cpp_vtable_call(%08x,...)\n", nTableEntry);
#endif
// movq $<address of the privateSnippetExecutor>, %r11
*reinterpret_cast<sal_uInt16 *>( code + 10 ) = 0xbb49;
*reinterpret_cast<sal_uInt64 *>( code + 12 ) = reinterpret_cast<sal_uInt64>( privateSnippetExecutor );
sal_Bool bComplex = nTableEntry & 0x80000000 ? sal_True : sal_False;
// jmpq *%r11
*reinterpret_cast<sal_uInt32 *>( code + 20 ) = 0x00e3ff49;
typelib_TypeClass aType =
cpp_mediate( nTableEntry, (void**)gpreg, (void**)fpreg, ovrflw, (sal_uInt64 *)nRegReturn );
switch( aType )
{
case typelib_TypeClass_FLOAT:
// The value in %xmm register is already prepared to
// be retrieved as a float. Therefore, we pass the
// value verbatim, as a double without conversion.
__asm__( "movsd %0, %%xmm0" : : "m" (*((double *)nRegReturn)) );
break;
case typelib_TypeClass_DOUBLE:
__asm__( "movsd %0, %%xmm0" : : "m" (*((double *)nRegReturn)) );
break;
default:
__asm__( "movq %0, %%rax" : : "m" (*nRegReturn));
break;
}
__asm__ __volatile__ ("" : : : "rax", "xmm0");
}
//==================================================================================================
class MediateClassData
{
typedef ::std::hash_map< OUString, void *, OUStringHash > t_classdata_map;
t_classdata_map m_map;
Mutex m_mutex;
public:
void const * get_vtable( typelib_InterfaceTypeDescription * pTD ) SAL_THROW( () );
inline MediateClassData() SAL_THROW( () )
{}
~MediateClassData() SAL_THROW( () );
};
//__________________________________________________________________________________________________
MediateClassData::~MediateClassData() SAL_THROW( () )
{
OSL_TRACE( "> calling ~MediateClassData(): freeing mediate vtables." );
for ( t_classdata_map::const_iterator iPos( m_map.begin() ); iPos != m_map.end(); ++iPos )
{
::rtl_freeMemory( iPos->second );
}
}
//--------------------------------------------------------------------------------------------------
/* Code to generate. Note: if you change it, make sure patch offsets
for nTableEntry and cpp_vtable_call() are updated too. */
const char code_snippet_template[] = {
// # make room for gpregs (48), fpregs (64)
0x55, // push %rbp
0x48, 0x89, 0xe5, // mov %rsp,%rbp
0x48, 0x83, 0xec, 0x70, // sub $112,%rsp
// # save GP registers
0x48, 0x89, 0x7d, 0x90, // mov %rdi,-112(%rbp)
0x48, 0x89, 0x75, 0x98, // mov %rsi,-104(%rbp)
0x48, 0x89, 0x55, 0xa0, // mov %rdx, -96(%rbp)
0x48, 0x89, 0x4d, 0xa8, // mov %rcx, -88(%rbp)
0x4c, 0x89, 0x45, 0xb0, // mov %r8 , -80(%rbp)
0x4c, 0x89, 0x4d, 0xb8, // mov %r9 , -72(%rbp)
0x48, 0x8d, 0x55, 0x90, // lea -112(%rbp),%rdx
// # save FP registers
0xf2, 0x0f, 0x11, 0x45, 0xc0, // movsd %xmm0,-64(%rbp)
0xf2, 0x0f, 0x11, 0x4d, 0xc8, // movsd %xmm1,-56(%rbp)
0xf2, 0x0f, 0x11, 0x55, 0xd0, // movsd %xmm2,-48(%rbp)
0xf2, 0x0f, 0x11, 0x5d, 0xd8, // movsd %xmm3,-40(%rbp)
0xf2, 0x0f, 0x11, 0x65, 0xe0, // movsd %xmm4,-32(%rbp)
0xf2, 0x0f, 0x11, 0x6d, 0xe8, // movsd %xmm5,-24(%rbp)
0xf2, 0x0f, 0x11, 0x75, 0xf0, // movsd %xmm6,-16(%rbp)
0xf2, 0x0f, 0x11, 0x7d, 0xf8, // movsd %xmm7, -8(%rbp)
0x48, 0x8d, 0x4d, 0xc0, // lea -64(%rbp),%rcx
// # perform the call and cleanup to cpp_vtable_call()
0xbf, 0x00, 0x00, 0x00, 0x00, // mov $0,%edi
0x48, 0x8d, 0x75, 0x10, // lea 16(%rbp),%rsi
0x48, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, // mov $0,%rax
0xff, 0xd0, // call *%rax
0xc9, // leave
0xc3 // ret
};
static inline void codeSnippet( char * code, sal_uInt32 vtable_pos, bool simple_ret_type ) SAL_THROW( () )
{
if (! simple_ret_type)
vtable_pos |= 0x80000000;
const int code_snippet_template_size = sizeof(code_snippet_template);
memcpy(code, code_snippet_template, code_snippet_template_size);
// Patch nTableEntryValue
sal_uInt32 *mid_p = (sal_uInt32 *)(code + code_snippet_template_size - 22);
*mid_p = vtable_pos;
// Patch call to cpp_vtable_call()
sal_uInt64 *call_p = (sal_uInt64 *)(code + code_snippet_template_size - 12);
*call_p = (sal_uInt64)cpp_vtable_call;
}
//__________________________________________________________________________________________________
void const * MediateClassData::get_vtable( typelib_InterfaceTypeDescription * pTD ) SAL_THROW( () )
{
void * buffer;
const int nSnippetSize = sizeof(code_snippet_template);
// avoiding locked counts
OUString const & unoName = *(OUString const *)&((typelib_TypeDescription *)pTD)->pTypeName;
{
MutexGuard aGuard( m_mutex );
t_classdata_map::const_iterator iFind( m_map.find( unoName ) );
if (iFind == m_map.end())
{
// create new vtable
sal_Int32 nSlots = pTD->nMapFunctionIndexToMemberIndex;
buffer = ::rtl_allocateMemory( ((2+ nSlots) * sizeof (void *)) + (nSlots *nSnippetSize) );
::std::pair< t_classdata_map::iterator, bool > insertion(
m_map.insert( t_classdata_map::value_type( unoName, buffer ) ) );
OSL_ENSURE( insertion.second, "### inserting new vtable buffer failed?!\n\n" );
void ** slots = (void **)buffer;
*slots++ = 0;
*slots++ = 0; // rtti
char * code = (char *)(slots + nSlots);
sal_uInt32 vtable_pos = 0;
sal_Int32 nAllMembers = pTD->nAllMembers;
typelib_TypeDescriptionReference ** ppAllMembers = pTD->ppAllMembers;
for ( sal_Int32 nPos = 0; nPos < nAllMembers; ++nPos )
{
typelib_TypeDescription * pTD = 0;
TYPELIB_DANGER_GET( &pTD, ppAllMembers[ nPos ] );
OSL_ASSERT( pTD );
if (typelib_TypeClass_INTERFACE_ATTRIBUTE == pTD->eTypeClass)
{
bool simple_ret = cppu_isSimpleType(
((typelib_InterfaceAttributeTypeDescription *)pTD)->pAttributeTypeRef->eTypeClass );
// get method
*slots = code;
codeSnippet( code, vtable_pos++, simple_ret );
code += nSnippetSize;
slots++;
if (! ((typelib_InterfaceAttributeTypeDescription *)pTD)->bReadOnly)
{
// set method
*slots = code;
codeSnippet( code, vtable_pos++, true );
code += nSnippetSize;
slots++;
}
}
else
{
bool simple_ret = cppu_isSimpleType(
((typelib_InterfaceMethodTypeDescription *)pTD)->pReturnTypeRef->eTypeClass );
*slots = code;
codeSnippet( code, vtable_pos++, simple_ret );
code += nSnippetSize;
slots++;
}
TYPELIB_DANGER_RELEASE( pTD );
}
OSL_ASSERT( vtable_pos == nSlots );
}
else
{
buffer = iFind->second;
}
}
return ((void **)buffer +2);
return code + codeSnippetSize;
}
//==================================================================================================
void SAL_CALL cppu_cppInterfaceProxy_patchVtable(
XInterface * pCppI, typelib_InterfaceTypeDescription * pTypeDescr ) throw ()
void ** bridges::cpp_uno::shared::VtableFactory::mapBlockToVtable( char * block )
{
static MediateClassData * s_pMediateClassData = 0;
if (! s_pMediateClassData)
return reinterpret_cast<void **>( block ) + 2;
}
//==================================================================================================
char * bridges::cpp_uno::shared::VtableFactory::createBlock(
sal_Int32 slotCount, void *** slots)
{
char * block = new char[ ( slotCount + 2 ) * sizeof( void * ) + slotCount * codeSnippetSize ];
*slots = mapBlockToVtable( block );
(*slots)[-2] = 0;
(*slots)[-1] = 0;
return block;
}
//==================================================================================================
unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
void ** slots, unsigned char * code,
typelib_InterfaceTypeDescription const * type, sal_Int32 nFunctionOffset,
sal_Int32 functionCount, sal_Int32 nVtableOffset )
{
for ( sal_Int32 nPos = 0; nPos < type->nMembers; ++nPos )
{
MutexGuard aGuard( Mutex::getGlobalMutex() );
if (! s_pMediateClassData)
typelib_TypeDescription * pTD = 0;
TYPELIB_DANGER_GET( &pTD, type->ppMembers[ nPos ] );
OSL_ASSERT( pTD );
if ( typelib_TypeClass_INTERFACE_ATTRIBUTE == pTD->eTypeClass )
{
#ifdef LEAK_STATIC_DATA
s_pMediateClassData = new MediateClassData();
#else
static MediateClassData s_aMediateClassData;
s_pMediateClassData = &s_aMediateClassData;
#endif
typelib_InterfaceAttributeTypeDescription *pAttrTD =
reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( pTD );
// get method
*slots++ = code;
code = codeSnippet( code, nFunctionOffset++, nVtableOffset,
x86_64::return_in_hidden_param( pAttrTD->pAttributeTypeRef ) );
if ( ! pAttrTD->bReadOnly )
{
// set method
*slots++ = code;
code = codeSnippet( code, nFunctionOffset++, nVtableOffset, false );
}
}
else if ( typelib_TypeClass_INTERFACE_METHOD == pTD->eTypeClass )
{
typelib_InterfaceMethodTypeDescription *pMethodTD =
reinterpret_cast<typelib_InterfaceMethodTypeDescription *>( pTD );
*slots++ = code;
code = codeSnippet( code, nFunctionOffset++, nVtableOffset,
x86_64::return_in_hidden_param( pMethodTD->pReturnTypeRef ) );
}
else
OSL_ASSERT( false );
TYPELIB_DANGER_RELEASE( pTD );
}
*(void const **)pCppI = s_pMediateClassData->get_vtable( pTypeDescr );
return code;
}
}
extern "C"
//==================================================================================================
void bridges::cpp_uno::shared::VtableFactory::flushCode(
unsigned char const *, unsigned char const * )
{
//##################################################################################################
sal_Bool SAL_CALL component_canUnload( TimeValue * pTime )
SAL_THROW_EXTERN_C()
{
return CPPU_CURRENT_NAMESPACE::g_moduleCount.canUnload(
&CPPU_CURRENT_NAMESPACE::g_moduleCount, pTime );
}
//##################################################################################################
void SAL_CALL uno_initEnvironment( uno_Environment * pCppEnv )
SAL_THROW_EXTERN_C()
{
CPPU_CURRENT_NAMESPACE::cppu_cppenv_initEnvironment(
pCppEnv );
}
//##################################################################################################
void SAL_CALL uno_ext_getMapping(
uno_Mapping ** ppMapping, uno_Environment * pFrom, uno_Environment * pTo )
SAL_THROW_EXTERN_C()
{
CPPU_CURRENT_NAMESPACE::cppu_ext_getMapping(
ppMapping, pFrom, pTo );
}
}