diff options
Diffstat (limited to '')
-rw-r--r-- | bridges/source/cpp_uno/gcc3_solaris_intel/callvirtualmethod.cxx | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_solaris_intel/callvirtualmethod.cxx b/bridges/source/cpp_uno/gcc3_solaris_intel/callvirtualmethod.cxx new file mode 100644 index 000000000..1f54296fc --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_solaris_intel/callvirtualmethod.cxx @@ -0,0 +1,117 @@ +/* -*- 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/genfunc.hxx> +#include "com/sun/star/uno/RuntimeException.hpp" +#include <uno/data.h> + +#include "bridge.hxx" +#include "types.hxx" +#include "unointerfaceproxy.hxx" +#include "vtables.hxx" + +#include "share.hxx" + +#include "callvirtualmethod.hxx" + +void CPPU_CURRENT_NAMESPACE::callVirtualMethod( + void * pAdjustedThisPtr, + sal_Int32 nVtableIndex, + void * pRegisterReturn, + typelib_TypeClass eReturnType, + sal_Int32 * pStackLongs, + sal_Int32 nStackLongs ) +{ + // parameter list is mixed list of * and values + // reference parameters are pointers + + assert(pStackLongs && pAdjustedThisPtr); + static_assert((sizeof(void *) == 4) && (sizeof(sal_Int32) == 4), "### unexpected size of int!"); + assert(nStackLongs && pStackLongs && "### no stack in callVirtualMethod !"); + + // never called + if (! pAdjustedThisPtr) CPPU_CURRENT_NAMESPACE::dummy_can_throw_anything("xxx"); // address something + + long edx, eax; // for register returns + void * stackptr; + asm volatile ( + "mov %%esp, %2\n\t" + // preserve potential 128bit stack alignment + "and $0xfffffff0, %%esp\n\t" + "mov %3, %%eax\n\t" + "lea -4(,%%eax,4), %%eax\n\t" + "and $0xf, %%eax\n\t" + "sub $0xc, %%eax\n\t" + "add %%eax, %%esp\n\t" + // copy values + "mov %3, %%eax\n\t" + "mov %%eax, %%edx\n\t" + "dec %%edx\n\t" + "shl $2, %%edx\n\t" + "add %4, %%edx\n" + "Lcopy:\n\t" + "pushl 0(%%edx)\n\t" + "sub $4, %%edx\n\t" + "dec %%eax\n\t" + "jne Lcopy\n\t" + // do the actual call + "mov %5, %%edx\n\t" + "mov 0(%%edx), %%edx\n\t" + "mov %6, %%eax\n\t" + "shl $2, %%eax\n\t" + "add %%eax, %%edx\n\t" + "mov 0(%%edx), %%edx\n\t" + "call *%%edx\n\t" + // save return registers + "mov %%eax, %0\n\t" + "mov %%edx, %1\n\t" + // cleanup stack + "mov %2, %%esp\n\t" + : "=m"(eax), "=m"(edx), "=m"(stackptr) + : "m"(nStackLongs), "m"(pStackLongs), "m"(pAdjustedThisPtr), "m"(nVtableIndex) + : "eax", "ecx", "edx" ); + switch( eReturnType ) + { + case typelib_TypeClass_HYPER: + case typelib_TypeClass_UNSIGNED_HYPER: + ((long*)pRegisterReturn)[1] = edx; + case typelib_TypeClass_LONG: + case typelib_TypeClass_UNSIGNED_LONG: + case typelib_TypeClass_CHAR: + case typelib_TypeClass_ENUM: + ((long*)pRegisterReturn)[0] = eax; + break; + case typelib_TypeClass_SHORT: + case typelib_TypeClass_UNSIGNED_SHORT: + *(unsigned short*)pRegisterReturn = eax; + break; + case typelib_TypeClass_BOOLEAN: + case typelib_TypeClass_BYTE: + *(unsigned char*)pRegisterReturn = eax; + break; + case typelib_TypeClass_FLOAT: + asm ( "fstps %0" : : "m"(*(char *)pRegisterReturn) ); + break; + case typelib_TypeClass_DOUBLE: + asm ( "fstpl %0\n\t" : : "m"(*(char *)pRegisterReturn) ); + break; + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |