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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx
parentInitial commit. (diff)
downloadlibreoffice-upstream.tar.xz
libreoffice-upstream.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx')
-rw-r--r--bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx536
1 files changed, 536 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx b/bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx
new file mode 100644
index 000000000..48a5f862b
--- /dev/null
+++ b/bridges/source/cpp_uno/gcc3_linux_alpha/uno2cpp.cxx
@@ -0,0 +1,536 @@
+/* -*- 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 <sal/config.h>
+
+#include <exception>
+#include <malloc.h>
+#include <typeinfo>
+
+#include <com/sun/star/uno/Exception.hpp>
+#include <com/sun/star/uno/RuntimeException.hpp>
+#include <com/sun/star/uno/genfunc.hxx>
+#include <o3tl/runtimetooustring.hxx>
+#include <uno/data.h>
+
+#include "bridge.hxx"
+#include "types.hxx"
+#include "unointerfaceproxy.hxx"
+#include "vtables.hxx"
+
+#include "share.hxx"
+
+#include <stdio.h>
+#include <string.h>
+
+
+using namespace ::com::sun::star::uno;
+
+void MapReturn(long r0, typelib_TypeClass eTypeClass, sal_uInt64* pRegisterReturn)
+{
+ register float fret asm("$f0");
+ register double dret asm("$f0");
+
+#if OSL_DEBUG_LEVEL > 2
+ fprintf(stderr,"Mapping Return with %lx %ld %f\n", r0, r0, dret);
+#endif
+ switch (eTypeClass)
+ {
+ case typelib_TypeClass_HYPER:
+ case typelib_TypeClass_UNSIGNED_HYPER:
+ *pRegisterReturn = r0;
+ break;
+ case typelib_TypeClass_LONG:
+ case typelib_TypeClass_UNSIGNED_LONG:
+ case typelib_TypeClass_ENUM:
+ *(unsigned int*)pRegisterReturn = (unsigned int)r0;
+ break;
+ case typelib_TypeClass_CHAR:
+ case typelib_TypeClass_SHORT:
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ *(unsigned short*)pRegisterReturn = (unsigned short)r0;
+ break;
+ case typelib_TypeClass_BOOLEAN:
+ case typelib_TypeClass_BYTE:
+ *(unsigned char*)pRegisterReturn = (unsigned char)r0;
+ break;
+ case typelib_TypeClass_FLOAT:
+ *reinterpret_cast<float *>( pRegisterReturn ) = fret;
+ break;
+ case typelib_TypeClass_DOUBLE:
+ *reinterpret_cast<double *>( pRegisterReturn ) = dret;
+ break;
+ default:
+ break;
+ }
+#if OSL_DEBUG_LEVEL > 2
+ fprintf(stderr, "end of MapReturn with %x\n", pRegisterReturn ? *pRegisterReturn : 0);
+#endif
+}
+
+#define INSERT_FLOAT( pSV, nr, pFPR, pDS ) \
+ { \
+ if ( nr < axp::MAX_WORDS_IN_REGS ) \
+ { \
+ pFPR[nr++] = *reinterpret_cast<float *>( pSV ); \
+ } \
+ else \
+ *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); \
+ }
+
+#define INSERT_DOUBLE( pSV, nr, pFPR, pDS ) \
+ if ( nr < axp::MAX_WORDS_IN_REGS ) \
+ pFPR[nr++] = *reinterpret_cast<double *>( pSV ); \
+ else \
+ *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV ); // verbatim!
+
+#define INSERT_INT64( pSV, nr, pGPR, pDS ) \
+ if ( nr < axp::MAX_WORDS_IN_REGS ) \
+ pGPR[nr++] = *reinterpret_cast<sal_uInt64 *>( pSV ); \
+ else \
+ *pDS++ = *reinterpret_cast<sal_uInt64 *>( pSV );
+
+#define INSERT_INT32( pSV, nr, pGPR, pDS ) \
+ if ( nr < axp::MAX_WORDS_IN_REGS ) \
+ pGPR[nr++] = *reinterpret_cast<sal_uInt32 *>( pSV ); \
+ else \
+ *pDS++ = *reinterpret_cast<sal_uInt32 *>( pSV );
+
+#define INSERT_INT16( pSV, nr, pGPR, pDS ) \
+ if ( nr < axp::MAX_WORDS_IN_REGS ) \
+ pGPR[nr++] = *reinterpret_cast<sal_uInt16 *>( pSV ); \
+ else \
+ *pDS++ = *reinterpret_cast<sal_uInt16 *>( pSV );
+
+#define INSERT_INT8( pSV, nr, pGPR, pDS ) \
+ if ( nr < axp::MAX_WORDS_IN_REGS ) \
+ pGPR[nr++] = *reinterpret_cast<sal_uInt8 *>( pSV ); \
+ else \
+ *pDS++ = *reinterpret_cast<sal_uInt8 *>( pSV );
+
+namespace
+{
+
+void callVirtualMethod(
+ void * pThis, sal_Int32 nVtableIndex,
+ void * pRegisterReturn, typelib_TypeDescription * pReturnTypeDescr,
+ sal_uInt64 *pStack, sal_uInt32 nStack,
+ sal_uInt64 *pGPR, sal_uInt32 nGPR,
+ double *pFPR, sal_uInt32 nFPR)
+{
+ // Should not happen, but...
+ if ( nFPR > axp::MAX_SSE_REGS )
+ nFPR = axp::MAX_SSE_REGS;
+ if ( nGPR > axp::MAX_GPR_REGS )
+ nGPR = axp::MAX_GPR_REGS;
+
+#if OSL_DEBUG_LEVEL > 2
+ // Let's figure out what is really going on here
+ {
+ fprintf( stderr, "= nStack is %d\n", nStack );
+ fprintf( stderr, "= callVirtualMethod() =\nGPR's (%d): ", nGPR );
+ for ( unsigned int i = 0; i < nGPR; ++i )
+ fprintf( stderr, "0x%lx, ", pGPR[i] );
+ fprintf( stderr, "\nFPR's (%d): ", nFPR );
+ for ( unsigned int i = 0; i < nFPR; ++i )
+ fprintf( stderr, "0x%lx (%f), ", pFPR[i], pFPR[i] );
+ fprintf( stderr, "\nStack (%d): ", nStack );
+ for ( unsigned int i = 0; i < nStack; ++i )
+ fprintf( stderr, "0x%lx, ", pStack[i] );
+ fprintf( stderr, "\n" );
+ fprintf( stderr, "pRegisterReturn is %p\n", pRegisterReturn);
+ }
+#endif
+
+ // Load parameters to stack, if necessary
+ // Stack, if used, must be 8-bytes aligned
+ sal_uInt64 *stack = (sal_uInt64 *) __builtin_alloca( nStack * 8 );
+ memcpy( stack, pStack, nStack * 8 );
+
+ // To get pointer to method
+ // a) get the address of the vtable
+ sal_uInt64 pMethod = *((sal_uInt64 *)pThis);
+ // b) get the address from the vtable entry at offset
+ pMethod += 8 * nVtableIndex;
+ pMethod = *((sal_uInt64 *)pMethod);
+
+ typedef void (* FunctionCall )( sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64, sal_uInt64 );
+ FunctionCall pFunc = (FunctionCall)pMethod;
+
+ switch (nFPR) //deliberate fall through
+ {
+ case 6:
+ asm volatile("ldt $f16,%0" :: "m"(pFPR[5]) : "$f16");
+ case 5:
+ asm volatile("ldt $f17,%0" :: "m"(pFPR[4]) : "$f17");
+ case 4:
+ asm volatile("ldt $f18,%0" :: "m"(pFPR[3]) : "$f18");
+ case 3:
+ asm volatile("ldt $f19,%0" :: "m"(pFPR[2]) : "$f19");
+ case 2:
+ asm volatile("ldt $f20,%0" :: "m"(pFPR[1]) : "$f20");
+ case 1:
+ asm volatile("ldt $f21,%0" :: "m"(pFPR[0]) : "$f21");
+ default:
+ break;
+ }
+
+ (*pFunc)(pGPR[0], pGPR[1], pGPR[2], pGPR[3], pGPR[4], pGPR[5]);
+ register sal_uInt64 r0 __asm__("$0");
+ MapReturn(r0, pReturnTypeDescr->eTypeClass, (sal_uInt64*)pRegisterReturn);
+}
+
+
+static void cpp_call(
+ bridges::cpp_uno::shared::UnoInterfaceProxy * pThis,
+ bridges::cpp_uno::shared::VtableSlot aVtableSlot,
+ typelib_TypeDescriptionReference * pReturnTypeRef,
+ sal_Int32 nParams, typelib_MethodParameter * pParams,
+ void * pUnoReturn, void * pUnoArgs[], uno_Any ** ppUnoExc )
+{
+ // max space for: [complex ret ptr], values|ptr ...
+ sal_uInt64 * pStack = (sal_uInt64 *)alloca( (nParams+3) * sizeof(sal_Int64) );
+ sal_uInt64 * pStackStart = pStack;
+
+ sal_uInt64 pGPR[axp::MAX_GPR_REGS];
+ double pFPR[axp::MAX_SSE_REGS];
+ sal_uInt32 nRegs = 0;
+
+ // return
+ typelib_TypeDescription * pReturnTypeDescr = 0;
+ TYPELIB_DANGER_GET( &pReturnTypeDescr, pReturnTypeRef );
+ assert(pReturnTypeDescr);
+
+ void * pCppReturn = 0; // if != 0 && != pUnoReturn, needs reconversion
+
+ if (pReturnTypeDescr)
+ {
+ if (bridges::cpp_uno::shared::isSimpleType( pReturnTypeDescr ))
+ {
+ pCppReturn = pUnoReturn; // direct way for simple types
+ }
+ else
+ {
+ // complex return via ptr
+ pCppReturn = (bridges::cpp_uno::shared::relatesToInterfaceType( pReturnTypeDescr )
+ ? alloca( pReturnTypeDescr->nSize )
+ : pUnoReturn); // direct way
+ INSERT_INT64( &pCppReturn, nRegs, pGPR, pStack );
+ }
+ }
+ // push "this" pointer
+ void * pAdjustedThisPtr = reinterpret_cast< void ** >( pThis->getCppI() ) + aVtableSlot.offset;
+
+ INSERT_INT64( &pAdjustedThisPtr, nRegs, pGPR, pStack );
+
+ // stack space
+ static_assert(sizeof(void *) == sizeof(sal_Int64), "### unexpected size!");
+ // args
+ void ** pCppArgs = (void **)alloca( 3 * sizeof(void *) * nParams );
+ // indices of values this have to be converted (interface conversion cpp<=>uno)
+ sal_Int32 * pTempIndices = (sal_Int32 *)(pCppArgs + nParams);
+ // type descriptions for reconversions
+ typelib_TypeDescription ** ppTempParamTypeDescr = (typelib_TypeDescription **)(pCppArgs + (2 * nParams));
+
+ sal_Int32 nTempIndices = 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 ))
+ {
+ uno_copyAndConvertData( pCppArgs[nPos] = alloca( 8 ), pUnoArgs[nPos], pParamTypeDescr,
+ pThis->getBridge()->getUno2Cpp() );
+
+ switch (pParamTypeDescr->eTypeClass)
+ {
+ case typelib_TypeClass_HYPER:
+ case typelib_TypeClass_UNSIGNED_HYPER:
+ INSERT_INT64( pCppArgs[nPos], nRegs, pGPR, pStack );
+ break;
+ case typelib_TypeClass_LONG:
+ case typelib_TypeClass_UNSIGNED_LONG:
+ case typelib_TypeClass_ENUM:
+ INSERT_INT32( pCppArgs[nPos], nRegs, pGPR, pStack );
+ break;
+ case typelib_TypeClass_SHORT:
+ case typelib_TypeClass_CHAR:
+ case typelib_TypeClass_UNSIGNED_SHORT:
+ INSERT_INT16( pCppArgs[nPos], nRegs, pGPR, pStack );
+ break;
+ case typelib_TypeClass_BOOLEAN:
+ case typelib_TypeClass_BYTE:
+ INSERT_INT8( pCppArgs[nPos], nRegs, pGPR, pStack );
+ break;
+ case typelib_TypeClass_FLOAT:
+ INSERT_FLOAT( pCppArgs[nPos], nRegs, pFPR, pStack );
+ break;
+ case typelib_TypeClass_DOUBLE:
+ INSERT_DOUBLE( pCppArgs[nPos], nRegs, pFPR, pStack );
+ break;
+ default:
+ break;
+ }
+
+ // no longer needed
+ TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+ }
+ else // ptr to complex value | ref
+ {
+ if (! rParam.bIn) // is pure out
+ {
+ // cpp out is constructed mem, uno out is not!
+ uno_constructData(
+ pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
+ pParamTypeDescr );
+ pTempIndices[nTempIndices] = nPos; // default constructed for cpp call
+ // will be released at reconversion
+ ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
+ }
+ // is in/inout
+ else if (bridges::cpp_uno::shared::relatesToInterfaceType( pParamTypeDescr ))
+ {
+ uno_copyAndConvertData(
+ pCppArgs[nPos] = alloca( pParamTypeDescr->nSize ),
+ pUnoArgs[nPos], pParamTypeDescr, pThis->getBridge()->getUno2Cpp() );
+
+ pTempIndices[nTempIndices] = nPos; // has to be reconverted
+ // will be released at reconversion
+ ppTempParamTypeDescr[nTempIndices++] = pParamTypeDescr;
+ }
+ else // direct way
+ {
+ pCppArgs[nPos] = pUnoArgs[nPos];
+ // no longer needed
+ TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+ }
+ INSERT_INT64( &(pCppArgs[nPos]), nRegs, pGPR, pStack );
+ }
+ }
+
+ try
+ {
+ try {
+ callVirtualMethod(
+ pAdjustedThisPtr, aVtableSlot.index,
+ pCppReturn, pReturnTypeDescr,
+ pStackStart, (pStack - pStackStart),
+ pGPR, nRegs,
+ pFPR, nRegs );
+ } catch (css::uno::Exception &) {
+ throw;
+ } catch (std::exception & e) {
+ throw css::uno::RuntimeException(
+ "C++ code threw " + o3tl::runtimeToOUString(typeid(e).name()) + ": "
+ + o3tl::runtimeToOUString(e.what()));
+ } catch (...) {
+ throw css::uno::RuntimeException("C++ code threw unknown exception");
+ }
+ // NO exception occurred...
+ *ppUnoExc = 0;
+
+ // reconvert temporary params
+ for ( ; nTempIndices--; )
+ {
+ sal_Int32 nIndex = pTempIndices[nTempIndices];
+ typelib_TypeDescription * pParamTypeDescr = ppTempParamTypeDescr[nTempIndices];
+
+ if (pParams[nIndex].bIn)
+ {
+ if (pParams[nIndex].bOut) // inout
+ {
+ uno_destructData( pUnoArgs[nIndex], pParamTypeDescr, 0 ); // destroy uno value
+ uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
+ pThis->getBridge()->getCpp2Uno() );
+ }
+ }
+ else // pure out
+ {
+ uno_copyAndConvertData( pUnoArgs[nIndex], pCppArgs[nIndex], pParamTypeDescr,
+ pThis->getBridge()->getCpp2Uno() );
+ }
+ // destroy temp cpp param => cpp: every param was constructed
+ uno_destructData( pCppArgs[nIndex], pParamTypeDescr, cpp_release );
+
+ TYPELIB_DANGER_RELEASE( pParamTypeDescr );
+ }
+ // return value
+ if (pCppReturn && pUnoReturn != pCppReturn)
+ {
+ uno_copyAndConvertData( pUnoReturn, pCppReturn, pReturnTypeDescr,
+ pThis->getBridge()->getCpp2Uno() );
+ uno_destructData( pCppReturn, pReturnTypeDescr, cpp_release );
+ }
+ }
+ catch (...)
+ {
+ // fill uno exception
+ CPPU_CURRENT_NAMESPACE::fillUnoException(*ppUnoExc, pThis->getBridge()->getCpp2Uno());
+
+
+ // temporary params
+ for ( ; nTempIndices--; )
+ {
+ sal_Int32 nIndex = pTempIndices[nTempIndices];
+ // destroy temp cpp param => cpp: every param was constructed
+ uno_destructData( pCppArgs[nIndex], ppTempParamTypeDescr[nTempIndices], cpp_release );
+ TYPELIB_DANGER_RELEASE( ppTempParamTypeDescr[nTempIndices] );
+ }
+ // return type
+ if (pReturnTypeDescr)
+ TYPELIB_DANGER_RELEASE( pReturnTypeDescr );
+ }
+}
+}
+
+namespace bridges::cpp_uno::shared {
+
+void unoInterfaceProxyDispatch(
+ uno_Interface * pUnoI, const typelib_TypeDescription * pMemberDescr,
+ void * pReturn, void * pArgs[], uno_Any ** ppException )
+{
+#if OSL_DEBUG_LEVEL > 2
+ fprintf(stderr, "unoInterfaceProxyDispatch\n");
+#endif
+
+
+ // is my surrogate
+ bridges::cpp_uno::shared::UnoInterfaceProxy * pThis
+ = static_cast< bridges::cpp_uno::shared::UnoInterfaceProxy *> (pUnoI);
+
+ switch (pMemberDescr->eTypeClass)
+ {
+ case typelib_TypeClass_INTERFACE_ATTRIBUTE:
+ {
+
+ VtableSlot aVtableSlot(
+ getVtableSlot(
+ reinterpret_cast<
+ typelib_InterfaceAttributeTypeDescription const * >(
+ pMemberDescr)));
+
+ if (pReturn)
+ {
+ // dependent dispatch
+ cpp_call(
+ pThis, aVtableSlot,
+ ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef,
+ 0, 0, // no params
+ pReturn, pArgs, ppException );
+ }
+ else
+ {
+ // is SET
+ typelib_MethodParameter aParam;
+ aParam.pTypeRef =
+ ((typelib_InterfaceAttributeTypeDescription *)pMemberDescr)->pAttributeTypeRef;
+ aParam.bIn = sal_True;
+ aParam.bOut = sal_False;
+
+ typelib_TypeDescriptionReference * pReturnTypeRef = 0;
+ OUString aVoidName("void");
+ typelib_typedescriptionreference_new(
+ &pReturnTypeRef, typelib_TypeClass_VOID, aVoidName.pData );
+
+ // dependent dispatch
+ aVtableSlot.index += 1; //get then set method
+ cpp_call(
+ pThis, aVtableSlot,
+ pReturnTypeRef,
+ 1, &aParam,
+ pReturn, pArgs, ppException );
+
+ typelib_typedescriptionreference_release( pReturnTypeRef );
+ }
+
+ break;
+ }
+ case typelib_TypeClass_INTERFACE_METHOD:
+ {
+
+ VtableSlot aVtableSlot(
+ getVtableSlot(
+ reinterpret_cast<
+ typelib_InterfaceMethodTypeDescription const * >(
+ pMemberDescr)));
+ switch (aVtableSlot.index)
+ {
+ // standard calls
+ case 1: // acquire uno interface
+ (*pUnoI->acquire)( pUnoI );
+ *ppException = 0;
+ break;
+ case 2: // release uno interface
+ (*pUnoI->release)( pUnoI );
+ *ppException = 0;
+ break;
+ case 0: // queryInterface() opt
+ {
+ typelib_TypeDescription * pTD = 0;
+ TYPELIB_DANGER_GET( &pTD, reinterpret_cast< Type * >( pArgs[0] )->getTypeLibType() );
+ if (pTD)
+ {
+ uno_Interface * pInterface = 0;
+ (*pThis->pBridge->getUnoEnv()->getRegisteredInterface)(
+ pThis->pBridge->getUnoEnv(),
+ (void **)&pInterface, pThis->oid.pData, (typelib_InterfaceTypeDescription *)pTD );
+
+ if (pInterface)
+ {
+ ::uno_any_construct(
+ reinterpret_cast< uno_Any * >( pReturn ),
+ &pInterface, pTD, 0 );
+ (*pInterface->release)( pInterface );
+ TYPELIB_DANGER_RELEASE( pTD );
+ *ppException = 0;
+ break;
+ }
+ TYPELIB_DANGER_RELEASE( pTD );
+ }
+ } // else perform queryInterface()
+ default:
+ // dependent dispatch
+ cpp_call(
+ pThis, aVtableSlot,
+ ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pReturnTypeRef,
+ ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->nParams,
+ ((typelib_InterfaceMethodTypeDescription *)pMemberDescr)->pParams,
+ pReturn, pArgs, ppException );
+ }
+ break;
+ }
+ default:
+ {
+ ::com::sun::star::uno::RuntimeException aExc(
+ "illegal member type description!",
+ ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >() );
+
+ Type const & rExcType = cppu::UnoType<decltype(aExc)>::get();
+ // binary identical null reference
+ ::uno_type_any_construct( *ppException, &aExc, rExcType.getTypeLibType(), 0 );
+ }
+ }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */