1*74f1be36SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*74f1be36SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*74f1be36SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*74f1be36SAndrew Rist * distributed with this work for additional information 6*74f1be36SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*74f1be36SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*74f1be36SAndrew Rist * "License"); you may not use this file except in compliance 9*74f1be36SAndrew Rist * with the License. You may obtain a copy of the License at 10*74f1be36SAndrew Rist * 11*74f1be36SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*74f1be36SAndrew Rist * 13*74f1be36SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*74f1be36SAndrew Rist * software distributed under the License is distributed on an 15*74f1be36SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*74f1be36SAndrew Rist * KIND, either express or implied. See the License for the 17*74f1be36SAndrew Rist * specific language governing permissions and limitations 18*74f1be36SAndrew Rist * under the License. 19*74f1be36SAndrew Rist * 20*74f1be36SAndrew Rist *************************************************************/ 21*74f1be36SAndrew Rist 22*74f1be36SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef _BRIDGES_CPP_UNO_X86_64_ABI_HXX_ 25cdf0e10cSrcweir #define _BRIDGES_CPP_UNO_X86_64_ABI_HXX_ 26cdf0e10cSrcweir 27cdf0e10cSrcweir // This is an implementation of the x86-64 ABI as described in 'System V 28cdf0e10cSrcweir // Application Binary Interface, AMD64 Architecture Processor Supplement' 29cdf0e10cSrcweir // (http://www.x86-64.org/documentation/abi-0.95.pdf) 30cdf0e10cSrcweir 31cdf0e10cSrcweir #include <typelib/typedescription.hxx> 32cdf0e10cSrcweir 33cdf0e10cSrcweir namespace x86_64 34cdf0e10cSrcweir { 35cdf0e10cSrcweir 36cdf0e10cSrcweir /* 6 general purpose registers are used for parameter passing */ 37cdf0e10cSrcweir const sal_uInt32 MAX_GPR_REGS = 6; 38cdf0e10cSrcweir 39cdf0e10cSrcweir /* 8 SSE registers are used for parameter passing */ 40cdf0e10cSrcweir const sal_uInt32 MAX_SSE_REGS = 8; 41cdf0e10cSrcweir 42cdf0e10cSrcweir /* Count number of required registers. 43cdf0e10cSrcweir 44cdf0e10cSrcweir Examine the argument and return set number of register required in each 45cdf0e10cSrcweir class. 46cdf0e10cSrcweir 47cdf0e10cSrcweir Return false iff parameter should be passed in memory. 48cdf0e10cSrcweir */ 49cdf0e10cSrcweir bool examine_argument( typelib_TypeDescriptionReference *pTypeRef, bool bInReturn, int &nUsedGPR, int &nUsedSSE ); 50cdf0e10cSrcweir 51cdf0e10cSrcweir /** Does function that returns this type use a hidden parameter, or registers? 52cdf0e10cSrcweir 53cdf0e10cSrcweir The value can be returned either in a hidden 1st parameter (which is a 54cdf0e10cSrcweir pointer to a structure allocated by the caller), or in registers (rax, rdx 55cdf0e10cSrcweir for the integers, xmm0, xmm1 for the floating point numbers). 56cdf0e10cSrcweir */ 57cdf0e10cSrcweir bool return_in_hidden_param( typelib_TypeDescriptionReference *pTypeRef ); 58cdf0e10cSrcweir 59cdf0e10cSrcweir void fill_struct( typelib_TypeDescriptionReference *pTypeRef, const sal_uInt64* pGPR, const double* pSSE, void *pStruct ); 60cdf0e10cSrcweir 61cdf0e10cSrcweir } // namespace x86_64 62cdf0e10cSrcweir 63cdf0e10cSrcweir #endif // _BRIDGES_CPP_UNO_X86_64_ABI_HXX_ 64