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diff --git a/bridges/source/cpp_uno/gcc3_linux_x86-64/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_linux_x86-64/cpp2uno.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * 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 .
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <rtl/alloc.h>
+#include <sal/log.hxx>
+
+#include <com/sun/star/uno/genfunc.hxx>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <config_options.h>
+#include <uno/data.h>
+#include <typelib/typedescription.hxx>
+
+#include <bridge.hxx>
+#include <cppinterfaceproxy.hxx>
+#include <types.hxx>
+#include <vtablefactory.hxx>
+
+#include "abi.hxx"
+#include "call.hxx"
+#include "rtti.hxx"
+#include "share.hxx"
+
+using namespace ::com::sun::star::uno;
+
+// Perform the UNO call
+//
+// We must convert the parameters 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(
+ 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, void ** fpreg, void ** ovrflw,
+ sal_uInt64 * pRegisterReturn /* space for register return */ )
+{
+ unsigned int nr_gpr = 0; //number of gpr registers used
+ unsigned int nr_fpr = 0; //number of fpr registers used
+
+ // return
+ typelib_TypeDescription * pReturnTypeDescr = nullptr;
+ if (pReturnTypeRef)
+ TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
+
+ void * pUnoReturn = nullptr;
+ void * pCppReturn = nullptr; // complex return ptr: if != 0 && != pUnoReturn, reconversion need
+
+ if ( pReturnTypeDescr )
+ {
+ if ( x86_64::return_in_hidden_param( pReturnTypeRef ) )
+ {
+ pCppReturn = *gpreg++;
+ nr_gpr++;
+
+ 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++;
+
+ // stack space
+ // parameters
+ void ** pUnoArgs = static_cast<void **>(alloca( 4 * sizeof(void *) * nParams ));
+ void ** pCppArgs = pUnoArgs + nParams;
+ // indices of values this have to be converted (interface conversion cpp<=>uno)
+ sal_Int32 * pTempIndices = reinterpret_cast<sal_Int32 *>(pUnoArgs + (2 * nParams));
+ // type descriptions for reconversions
+ typelib_TypeDescription ** ppTempParamTypeDescr = reinterpret_cast<typelib_TypeDescription **>(pUnoArgs + (3 * nParams));
+
+ sal_Int32 nTempIndices = 0;
+
+ for ( sal_Int32 nPos = 0; nPos < nParams; ++nPos )
+ {
+ const typelib_MethodParameter & rParam = pParams[nPos];
+
+ 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( rParam.pTypeRef ) ) // value
+ {
+ // Simple types must fit exactly one register on x86_64
+ assert( bFitsRegisters && ( ( nUsedSSE == 1 && nUsedGPR == 0 ) || ( nUsedSSE == 0 && nUsedGPR == 1 ) ) ); (void)bFitsRegisters;
+
+ if ( nUsedSSE == 1 )
+ {
+ if ( nr_fpr < x86_64::MAX_SSE_REGS )
+ {
+ pCppArgs[nPos] = pUnoArgs[nPos] = fpreg++;
+ nr_fpr++;
+ }
+ else
+ 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++;
+ }
+ }
+ else // struct <= 16 bytes || ptr to complex value || ref
+ {
+ typelib_TypeDescription * pParamTypeDescr = nullptr;
+ TYPELIB_DANGER_GET( &pParamTypeDescr, rParam.pTypeRef );
+
+ void *pCppStack;
+ if ( nr_gpr < x86_64::MAX_GPR_REGS )
+ {
+ pCppArgs[nPos] = pCppStack = *gpreg++;
+ nr_gpr++;
+ }
+ else
+ pCppArgs[nPos] = pCppStack = *ovrflw++;
+
+ if (! rParam.bIn) // is pure out
+ {
+ // uno out is unconstructed mem!
+ pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
+ pTempIndices[nTempIndices] = nPos;
+ // will be released at reconversion
+ ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
+ }
+ else if ( bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ) ) // is in/inout
+ {
+ pUnoArgs[nPos] = alloca( pParamTypeDescr->nSize );
+ uno_copyAndConvertData( pUnoArgs[nPos],
+ pCppStack, pParamTypeDescr,
+ pThis->getBridge()->getCpp2Uno() );
+ pTempIndices[nTempIndices] = nPos; // has to be reconverted
+ // will be released at reconversion
+ ppTempParamTypeDescr[nTempIndices++] = 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 ( ; nTempIndices--; )
+ {
+ sal_Int32 nIndex = pTempIndices[nTempIndices];
+
+ if (pParams[nIndex].bIn) // is in/inout => was constructed
+ uno_destructData( pUnoArgs[nIndex], ppTempParamTypeDescr[nTempIndices], nullptr );
+ TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
+ }
+ 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 ( ; nTempIndices--; )
+ {
+ sal_Int32 nIndex = pTempIndices[nTempIndices];
+ typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
+
+ 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, nullptr );
+
+ 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, nullptr );
+ }
+ // complex return ptr is set to return reg
+ *reinterpret_cast<void **>(pRegisterReturn) = pCppReturn;
+ }
+ if ( pReturnTypeDescr )
+ {
+ typelib_TypeClass eRet = pReturnTypeDescr->eTypeClass;
+ TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+ return eRet;
+ }
+ else
+ return typelib_TypeClass_VOID;
+ }
+}
+
+
+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)]
+ void * pThis;
+ if ( nFunctionIndex & 0x80000000 )
+ {
+ nFunctionIndex &= 0x7fffffff;
+ 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();
+
+ if ( nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex )
+ {
+ SAL_WARN(
+ "bridges",
+ "illegal " << OUString::unacquired(&pTypeDescr->aBase.pTypeName)
+ << " vtable index " << nFunctionIndex << "/"
+ << pTypeDescr->nMapFunctionIndexToMemberIndex);
+ throw RuntimeException(
+ ("illegal " + OUString::unacquired(&pTypeDescr->aBase.pTypeName)
+ + " vtable index " + OUString::number(nFunctionIndex) + "/"
+ + OUString::number(pTypeDescr->nMapFunctionIndexToMemberIndex)),
+ reinterpret_cast<XInterface *>( pCppI ) );
+ }
+
+ // determine called method
+ sal_Int32 nMemberPos = pTypeDescr->pMapFunctionIndexToMemberIndex[nFunctionIndex];
+ assert(nMemberPos < pTypeDescr->nAllMembers);
+
+ TypeDescription aMemberDescr( pTypeDescr->ppAllMembers[nMemberPos] );
+
+ typelib_TypeClass eRet;
+ switch ( aMemberDescr.get()->eTypeClass )
+ {
+ case typelib_TypeClass_INTERFACE_ATTRIBUTE:
+ {
+ typelib_TypeDescriptionReference *pAttrTypeRef =
+ reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( aMemberDescr.get() )->pAttributeTypeRef;
+
+ if ( pTypeDescr->pMapMemberIndexToFunctionIndex[nMemberPos] == nFunctionIndex )
+ {
+ // is GET method
+ eRet = cpp2uno_call( pCppI, aMemberDescr.get(), pAttrTypeRef,
+ 0, nullptr, // no params
+ gpreg, fpreg, ovrflw, pRegisterReturn );
+ }
+ else
+ {
+ // is SET method
+ typelib_MethodParameter aParam;
+ aParam.pTypeRef = pAttrTypeRef;
+ aParam.bIn = true;
+ aParam.bOut = false;
+
+ eRet = cpp2uno_call( pCppI, aMemberDescr.get(),
+ nullptr, // 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 = nullptr;
+ TYPELIB_DANGER_GET( &pTD, static_cast<Type *>( gpreg[2] )->getTypeLibType() );
+ if ( pTD )
+ {
+ XInterface * pInterface = nullptr;
+ (*pCppI->getBridge()->getCppEnv()->getRegisteredInterface)
+ ( pCppI->getBridge()->getCppEnv(),
+ reinterpret_cast<void **>(&pInterface),
+ pCppI->getOid().pData,
+ reinterpret_cast<typelib_InterfaceTypeDescription *>( pTD ) );
+
+ if ( pInterface )
+ {
+ ::uno_any_construct( static_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 );
+ }
+ [[fallthrough]]; // 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("no member description found!",
+ reinterpret_cast<XInterface *>( pCppI ) );
+ }
+ }
+
+ return eRet;
+}
+
+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.
+static unsigned char * codeSnippet( unsigned char * code,
+ sal_Int32 nFunctionIndex, sal_Int32 nVtableOffset,
+ bool bHasHiddenParam )
+{
+ sal_uInt64 nOffsetAndIndex = ( static_cast<sal_uInt64>(nVtableOffset) << 32 ) | static_cast<sal_uInt64>(nFunctionIndex);
+
+ if ( bHasHiddenParam )
+ nOffsetAndIndex |= 0x80000000;
+
+ // movq $<nOffsetAndIndex>, %r10
+ *reinterpret_cast<sal_uInt16 *>( code ) = 0xba49;
+ *reinterpret_cast<sal_uInt16 *>( code + 2 ) = nOffsetAndIndex & 0xFFFF;
+ *reinterpret_cast<sal_uInt32 *>( code + 4 ) = nOffsetAndIndex >> 16;
+ *reinterpret_cast<sal_uInt16 *>( code + 8 ) = nOffsetAndIndex >> 48;
+
+ // movq $<address of the privateSnippetExecutor>, %r11
+ *reinterpret_cast<sal_uInt16 *>( code + 10 ) = 0xbb49;
+ *reinterpret_cast<sal_uInt32 *>( code + 12 )
+ = reinterpret_cast<sal_uInt64>(privateSnippetExecutor);
+ *reinterpret_cast<sal_uInt32 *>( code + 16 )
+ = reinterpret_cast<sal_uInt64>(privateSnippetExecutor) >> 32;
+
+ // jmpq *%r11
+ *reinterpret_cast<sal_uInt32 *>( code + 20 ) = 0x00e3ff49;
+
+#if OSL_DEBUG_LEVEL > 1
+ fprintf(stderr,
+ "==> codeSnippet, functionIndex=%d%s, vtableOffset=%d\n",
+ nFunctionIndex, (bHasHiddenParam ? "|0x80000000":""), nVtableOffset);
+#endif
+
+ 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) + 2;
+}
+
+std::size_t 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, sal_Int32 vtableNumber,
+ typelib_InterfaceTypeDescription * type)
+{
+ Slot * slots = mapBlockToVtable(block);
+ slots[-2].fn = reinterpret_cast<void *>(-(vtableNumber * sizeof (void *)));
+#if ENABLE_RUNTIME_OPTIMIZATIONS
+ slots[-1].fn = nullptr;
+ (void)type;
+#else
+ slots[-1].fn = x86_64::getRtti(type->aBase);
+#endif
+ return slots + slotCount;
+}
+
+
+unsigned char * bridges::cpp_uno::shared::VtableFactory::addLocalFunctions(
+ Slot ** slots, unsigned char * code, sal_PtrDiff writetoexecdiff,
+ typelib_InterfaceTypeDescription const * type, sal_Int32 nFunctionOffset,
+ sal_Int32 functionCount, sal_Int32 nVtableOffset )
+{
+ (*slots) -= functionCount;
+ Slot * s = *slots;
+ for ( sal_Int32 nPos = 0; nPos < type->nMembers; ++nPos )
+ {
+ typelib_TypeDescription * pTD = nullptr;
+
+ TYPELIB_DANGER_GET( &pTD, type->ppMembers[ nPos ] );
+ assert(pTD);
+
+ if ( pTD->eTypeClass == typelib_TypeClass_INTERFACE_ATTRIBUTE )
+ {
+ typelib_InterfaceAttributeTypeDescription *pAttrTD =
+ reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( pTD );
+
+ // get method
+ (s++)->fn = code + writetoexecdiff;
+ code = codeSnippet( code, nFunctionOffset++, nVtableOffset,
+ x86_64::return_in_hidden_param( pAttrTD->pAttributeTypeRef ) );
+
+ if ( ! pAttrTD->bReadOnly )
+ {
+ // set method
+ (s++)->fn = code + writetoexecdiff;
+ code = codeSnippet( code, nFunctionOffset++, nVtableOffset, false );
+ }
+ }
+ else if ( pTD->eTypeClass == typelib_TypeClass_INTERFACE_METHOD )
+ {
+ typelib_InterfaceMethodTypeDescription *pMethodTD =
+ reinterpret_cast<typelib_InterfaceMethodTypeDescription *>( pTD );
+
+ (s++)->fn = code + writetoexecdiff;
+ code = codeSnippet( code, nFunctionOffset++, nVtableOffset,
+ x86_64::return_in_hidden_param( pMethodTD->pReturnTypeRef ) );
+ }
+ else
+ assert(false);
+
+ TYPELIB_DANGER_RELEASE( pTD );
+ }
+ return code;
+}
+
+void bridges::cpp_uno::shared::VtableFactory::flushCode(
+ SAL_UNUSED_PARAMETER unsigned char const *,
+ SAL_UNUSED_PARAMETER unsigned char const * )
+{}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */