summaryrefslogtreecommitdiffstats
path: root/bridges/source/cpp_uno/gcc3_ios/cpp2uno.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_ios/cpp2uno.cxx')
-rw-r--r--bridges/source/cpp_uno/gcc3_ios/cpp2uno.cxx540
1 files changed, 540 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_ios/cpp2uno.cxx b/bridges/source/cpp_uno/gcc3_ios/cpp2uno.cxx
new file mode 100644
index 000000000..21de11b5e
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_ios/cpp2uno.cxx
@@ -0,0 +1,540 @@
+/* -*- 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 <com/sun/star/uno/RuntimeException.hpp>
+#include <sal/log.hxx>
+#include <uno/data.h>
+#include <typelib/typedescription.hxx>
+#include "bridge.hxx"
+#include "cppinterfaceproxy.hxx"
+#include "types.hxx"
+#include "vtablefactory.hxx"
+#include "share.hxx"
+
+
+
+extern "C" int codeSnippets[];
+const int nFunIndexes = 8;
+const int nVtableOffsets = 4;
+
+
+
+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,
+ sal_Int32 nParams,
+ typelib_MethodParameter * pParams,
+ void ** pCallStack,
+ sal_Int64 * pRegisterReturn /* space for register return */ )
+ {
+ // pCallStack: x8, lr, d0..d7, x0..x7, rest of params originally on stack
+ char *pTopStack = (char *)pCallStack;
+ char *pFloatRegs = pTopStack + 2;
+ char *pGPRegs = pTopStack + (2+8)*8;
+ char *pStackedArgs = pTopStack + (2+8+8)*8;
+
+ int nGPR = 0;
+ int nFPR = 0;
+
+ // return
+ typelib_TypeDescription * pReturnTypeDescr = 0;
+ if (pReturnTypeRef)
+ TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
+
+ void * pUnoReturn = 0;
+ // complex return ptr: if != 0 && != pUnoReturn, reconversion need
+ void * pCppReturn = 0;
+
+ if (pReturnTypeDescr)
+ {
+ if (!arm::return_in_x8(pReturnTypeRef))
+ pUnoReturn = pRegisterReturn; // direct way for simple types
+ else // complex return via x8
+ {
+ pCppReturn = pCallStack[0];
+
+ pUnoReturn = (bridges::cpp_uno::shared::relatesToInterfaceType(
+ pReturnTypeDescr )
+ ? alloca( pReturnTypeDescr->nSize )
+ : pCppReturn); // direct way
+ }
+ }
+
+ // Skip 'this'
+ pGPRegs += 8;
+ nGPR++;
+
+ // Parameters
+ void ** pUnoArgs = (void **)alloca( sizeof(void *) * nParams );
+ void ** pCppArgs = (void **)alloca( sizeof(void *) * nParams );
+
+ // Indices of values this have to be converted (interface conversion
+ // cpp<=>uno)
+ int * pTempIndices = (sal_Int32 *)alloca( sizeof(int) * nParams);
+
+ // Type descriptions for reconversions
+ typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)alloca( sizeof(typelib_TypeDescription *) * nParams);
+
+ int nTempIndices = 0;
+
+ for ( int 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 ))
+ {
+ if (nFPR < 8 && (pParamTypeDescr->eTypeClass == typelib_TypeClass_FLOAT ||
+ pParamTypeDescr->eTypeClass == typelib_TypeClass_DOUBLE))
+ {
+ pCppArgs[nPos] = pUnoArgs[nPos] = pFloatRegs;
+ pFloatRegs += 8;
+ nFPR++;
+ }
+ else if (pParamTypeDescr->eTypeClass == typelib_TypeClass_FLOAT)
+ {
+ if ((pStackedArgs - pTopStack) % 4)
+ pStackedArgs += 4 - ((pStackedArgs - pTopStack) % 4);
+ pCppArgs[nPos] = pUnoArgs[nPos] = pStackedArgs;
+ pStackedArgs += 4;
+ }
+ else if (pParamTypeDescr->eTypeClass == typelib_TypeClass_DOUBLE)
+ {
+ if ((pStackedArgs - pTopStack) % 8)
+ pStackedArgs += 8 - ((pStackedArgs - pTopStack) % 8);
+ pCppArgs[nPos] = pUnoArgs[nPos] = pStackedArgs;
+ pStackedArgs += 8;
+ }
+ else if (nGPR < 8)
+ {
+ pCppArgs[nPos] = pUnoArgs[nPos] = pGPRegs;
+ pGPRegs += 8;
+ nGPR++;
+ }
+ else
+ switch (pParamTypeDescr->eTypeClass)
+ {
+ case typelib_TypeClass_HYPER:
+ case typelib_TypeClass_UNSIGNED_HYPER:
+ if ((pStackedArgs - pTopStack) % 8)
+ pStackedArgs += 8 - ((pStackedArgs - pTopStack) % 8);
+ pCppArgs[nPos] = pUnoArgs[nPos] = pStackedArgs;
+ pStackedArgs += 8;
+ break;
+ case typelib_TypeClass_ENUM:
+ case typelib_TypeClass_LONG:
+ case typelib_TypeClass_UNSIGNED_LONG:
+ if ((pStackedArgs - pTopStack) % 4)
+ pStackedArgs += 4 - ((pStackedArgs - pTopStack) % 4);
+ pCppArgs[nPos] = pUnoArgs[nPos] = pStackedArgs;
+ pStackedArgs += 4;
+ break;
+ case typelib_TypeClass_CHAR:
+ case typelib_TypeClass_SHORT:
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ if ((pStackedArgs - pTopStack) % 2)
+ pStackedArgs += 1;
+ pCppArgs[nPos] = pUnoArgs[nPos] = pStackedArgs;
+ pStackedArgs += 2;
+ break;
+ case typelib_TypeClass_BOOLEAN:
+ case typelib_TypeClass_BYTE:
+ pCppArgs[nPos] = pUnoArgs[nPos] = pStackedArgs;
+ pStackedArgs += 1;
+ break;
+ default:
+ assert(!"should not happen");
+ break;
+ }
+ // no longer needed
+ TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+ }
+ else // ptr to complex value | ref
+ {
+ if (nGPR < 8)
+ {
+ pCppArgs[nPos] = *(void **)pGPRegs;
+ pGPRegs += 8;
+ }
+ else
+ {
+ if ((pStackedArgs - pTopStack) % 8)
+ pStackedArgs += 8 - ((pStackedArgs - pTopStack) % 8);
+ pCppArgs[nPos] = pStackedArgs;
+ pStackedArgs += 8;
+ }
+
+ 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;
+ }
+ // is in/inout
+ else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
+ {
+ uno_copyAndConvertData( pUnoArgs[nPos] =
+ alloca( pParamTypeDescr->nSize ),
+ pCppArgs[nPos], pParamTypeDescr,
+ pThis->getBridge()->getCpp2Uno() );
+ pTempIndices[nTempIndices] = nPos; // has to be reconverted
+ // will be released at reconversion
+ ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
+ }
+ else // direct way
+ {
+ pUnoArgs[nPos] = pCppArgs[nPos];
+ // 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--; )
+ {
+ int nIndex = pTempIndices[nTempIndices];
+
+ if (pParams[nIndex].bIn) // is in/inout => was constructed
+ uno_destructData( pUnoArgs[nIndex],
+ ppTempParamTypeDescr[nTempIndices], 0 );
+ 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--; )
+ {
+ int 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, 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 );
+ }
+ *(void **)pRegisterReturn = pCppReturn;
+ }
+ if (pReturnTypeDescr)
+ {
+ typelib_TypeClass eRet =
+ (typelib_TypeClass)pReturnTypeDescr->eTypeClass;
+ TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+ return eRet;
+ }
+ else
+ return typelib_TypeClass_VOID;
+ }
+ }
+
+
+ static void cpp_mediate(sal_Int32 nFunctionIndex,
+ sal_Int32 nVtableOffset,
+ void ** pCallStack)
+ {
+ sal_Int64 nRegReturn;
+ sal_Int64 *pRegisterReturn = &nRegReturn;
+
+ // pCallStack: x8, lr, d0..d7, x0..x7, rest of params originally on stack
+ // _this_ ptr is patched cppu_XInterfaceProxy object
+ void *pThis = pCallStack[2 + 8];
+
+ pThis = static_cast< char * >(pThis) - nVtableOffset;
+ bridges::cpp_uno::shared::CppInterfaceProxy * pCppI =
+ bridges::cpp_uno::shared::CppInterfaceProxy::castInterfaceToProxy(
+ pThis);
+
+ typelib_InterfaceTypeDescription * pTypeDescr = pCppI->getTypeDescr();
+
+ // determine called method
+ assert( nFunctionIndex < pTypeDescr->nMapFunctionIndexToMemberIndex );
+
+ if (nFunctionIndex >= pTypeDescr->nMapFunctionIndexToMemberIndex)
+ {
+ throw RuntimeException( "illegal vtable index!", (XInterface *)pCppI );
+ }
+
+ 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:
+ {
+ 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)
+ {
+ 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, cpp_acquire );
+ pInterface->release();
+ TYPELIB_DANGER_RELEASE( pTD );
+ *(void **)pRegisterReturn = pCallStack[0];
+ eRet = typelib_TypeClass_ANY;
+ break;
+ }
+ TYPELIB_DANGER_RELEASE( pTD );
+ }
+ } // else perform queryInterface()
+ [[fallthrough]];
+ 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;
+ }
+ default:
+ {
+ throw RuntimeException( "no member description found!", (XInterface *)pCppI );
+ }
+ }
+
+ (void)eRet;
+ return;
+ }
+}
+
+/**
+ * is called on incoming vtable calls
+ * (called by asm snippets)
+ */
+
+extern "C" void cpp_vtable_call( sal_Int32 func, sal_Int32 offset,
+ void **pStack )
+{
+ cpp_mediate(func, offset, pStack);
+}
+
+namespace
+{
+ unsigned char *codeSnippet(const typelib_InterfaceTypeDescription *type,
+ const typelib_TypeDescription *member,
+ sal_Int32 functionIndex,
+ sal_Int32 vtableOffset)
+ {
+ // For now temporarily assert when we get here. The intent is
+ // that we won't need the code snippets at all on iOS.
+ assert(false);
+
+ assert(functionIndex < nFunIndexes);
+ if (!(functionIndex < nFunIndexes))
+ return NULL;
+
+ assert(vtableOffset < nVtableOffsets);
+ if (!(vtableOffset < nVtableOffsets))
+ return NULL;
+
+ // The codeSnippets table is indexed by functionIndex and vtableOffset
+
+ int index = functionIndex*nVtableOffsets + vtableOffset;
+ unsigned char *result = ((unsigned char *) &codeSnippets) + codeSnippets[index];
+
+ SAL_INFO( "bridges", "codeSnippet(" << OUString(type->aBase.pTypeName) << "::" << OUString(member->pTypeName) << "): [" << functionIndex << "," << vtableOffset << "]=" << (void *) result << " (" << std::hex << ((int*)result)[0] << "," << ((int*)result)[1] << "," << ((int*)result)[2] << "," << ((int*)result)[3] << ")");
+
+ return result;
+ }
+}
+
+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);
+}
+
+bridges::cpp_uno::shared::VtableFactory::Slot *
+bridges::cpp_uno::shared::VtableFactory::initializeBlock(
+ void * block, sal_Int32 slotCount, sal_Int32,
+ typelib_InterfaceTypeDescription *)
+{
+ 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]);
+ assert(member != 0);
+ switch (member->eTypeClass)
+ {
+ case typelib_TypeClass_INTERFACE_ATTRIBUTE:
+ {
+ typelib_InterfaceAttributeTypeDescription *pAttrTD =
+ reinterpret_cast<typelib_InterfaceAttributeTypeDescription *>( member );
+
+ // Getter:
+ (s++)->fn = codeSnippet( type, member, functionOffset++, vtableOffset );
+
+ // Setter:
+ if (!pAttrTD->bReadOnly)
+ {
+ (s++)->fn = codeSnippet( type, member, functionOffset++, vtableOffset );
+ }
+ break;
+ }
+ case typelib_TypeClass_INTERFACE_METHOD:
+ {
+ (s++)->fn = codeSnippet( type, member, functionOffset++, vtableOffset );
+ break;
+ }
+ default:
+ assert(false);
+ break;
+ }
+ TYPELIB_DANGER_RELEASE(member);
+ }
+ return code;
+}
+
+
+
+void bridges::cpp_uno::shared::VtableFactory::flushCode(
+ unsigned char const *, unsigned char const *)
+{
+ // No dynamic code generation so nothing to flush
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */