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Diffstat (limited to 'bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.hxx')
-rw-r--r-- | bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.hxx | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.hxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.hxx new file mode 100644 index 000000000000..ba3e8f24542f --- /dev/null +++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/abi.hxx @@ -0,0 +1,70 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _BRIDGES_CPP_UNO_X86_64_ABI_HXX_ +#define _BRIDGES_CPP_UNO_X86_64_ABI_HXX_ + +// This is an implementation of the x86-64 ABI as described in 'System V +// Application Binary Interface, AMD64 Architecture Processor Supplement' +// (http://www.x86-64.org/documentation/abi-0.95.pdf) + +#include <typelib/typedescription.hxx> + +namespace x86_64 +{ + +/* 6 general purpose registers are used for parameter passing */ +const sal_uInt32 MAX_GPR_REGS = 6; + +/* 8 SSE registers are used for parameter passing */ +const sal_uInt32 MAX_SSE_REGS = 8; + +/* Count number of required registers. + + Examine the argument and return set number of register required in each + class. + + Return false iff parameter should be passed in memory. +*/ +bool examine_argument( typelib_TypeDescriptionReference *pTypeRef, bool bInReturn, int &nUsedGPR, int &nUsedSSE ) throw (); + +/** Does function that returns this type use a hidden parameter, or registers? + + The value can be returned either in a hidden 1st parameter (which is a + pointer to a structure allocated by the caller), or in registers (rax, rdx + for the integers, xmm0, xmm1 for the floating point numbers). +*/ +bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef ) throw (); + +void fill_struct( typelib_TypeDescriptionReference *pTypeRef, const sal_uInt64* pGPR, const double* pSSE, void *pStruct ) throw (); + +} // namespace x86_64 + +#endif // _BRIDGES_CPP_UNO_X86_64_ABI_HXX_ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |