arguments.hh revision 2
112841Sgabeblack@google.com/* 212841Sgabeblack@google.com * Copyright (c) 2003 The Regents of The University of Michigan 312841Sgabeblack@google.com * All rights reserved. 412841Sgabeblack@google.com * 512841Sgabeblack@google.com * Redistribution and use in source and binary forms, with or without 612841Sgabeblack@google.com * modification, are permitted provided that the following conditions are 712841Sgabeblack@google.com * met: redistributions of source code must retain the above copyright 812841Sgabeblack@google.com * notice, this list of conditions and the following disclaimer; 912841Sgabeblack@google.com * redistributions in binary form must reproduce the above copyright 1012841Sgabeblack@google.com * notice, this list of conditions and the following disclaimer in the 1112841Sgabeblack@google.com * documentation and/or other materials provided with the distribution; 1212841Sgabeblack@google.com * neither the name of the copyright holders nor the names of its 1312841Sgabeblack@google.com * contributors may be used to endorse or promote products derived from 1412841Sgabeblack@google.com * this software without specific prior written permission. 1512841Sgabeblack@google.com * 1612841Sgabeblack@google.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1712841Sgabeblack@google.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1812841Sgabeblack@google.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 1912841Sgabeblack@google.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2012841Sgabeblack@google.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2112841Sgabeblack@google.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2212841Sgabeblack@google.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2312841Sgabeblack@google.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2412841Sgabeblack@google.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2512841Sgabeblack@google.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2612841Sgabeblack@google.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2712841Sgabeblack@google.com */ 2812841Sgabeblack@google.com 2912841Sgabeblack@google.com#ifndef __ARGUMENTS_HH__ 3012841Sgabeblack@google.com#define __ARGUMENTS_HH__ 3112841Sgabeblack@google.com 3212841Sgabeblack@google.com#include <assert.h> 3312841Sgabeblack@google.com 3412841Sgabeblack@google.com#include "host.hh" 3512841Sgabeblack@google.com#include "kernel.hh" 3612841Sgabeblack@google.com#include "refcnt.hh" 3712841Sgabeblack@google.com 3812841Sgabeblack@google.comclass ExecContext; 3912841Sgabeblack@google.com 4012841Sgabeblack@google.comclass AlphaArguments 4112841Sgabeblack@google.com{ 4212841Sgabeblack@google.com protected: 4312841Sgabeblack@google.com ExecContext *xc; 4412841Sgabeblack@google.com int number; 4512841Sgabeblack@google.com uint64_t getArg(bool fp = false); 4612841Sgabeblack@google.com 4712841Sgabeblack@google.com protected: 4812841Sgabeblack@google.com class Data : public RefCounted 4912841Sgabeblack@google.com { 5012841Sgabeblack@google.com public: 5112841Sgabeblack@google.com Data(){} 5212841Sgabeblack@google.com ~Data(); 5312841Sgabeblack@google.com 5412841Sgabeblack@google.com private: 5512841Sgabeblack@google.com std::list<char *> data; 5612841Sgabeblack@google.com 5712841Sgabeblack@google.com public: 5812841Sgabeblack@google.com char *alloc(size_t size); 5912841Sgabeblack@google.com }; 6012841Sgabeblack@google.com 61 RefCountingPtr<Data> data; 62 63 public: 64 AlphaArguments(ExecContext *ctx, int n = 0) 65 : xc(ctx), number(n), data(NULL) 66 { assert(number >= 0); data = new Data;} 67 AlphaArguments(const AlphaArguments &args) 68 : xc(args.xc), number(args.number), data(args.data) {} 69 ~AlphaArguments() {} 70 71 ExecContext *getExecContext() const { return xc; } 72 73 const AlphaArguments &operator=(const AlphaArguments &args) { 74 xc = args.xc; 75 number = args.number; 76 data = args.data; 77 return *this; 78 } 79 80 AlphaArguments &operator++() { 81 ++number; 82 assert(number >= 0); 83 return *this; 84 } 85 86 AlphaArguments operator++(int) { 87 AlphaArguments args = *this; 88 ++number; 89 assert(number >= 0); 90 return args; 91 } 92 93 AlphaArguments &operator--() { 94 --number; 95 assert(number >= 0); 96 return *this; 97 } 98 99 AlphaArguments operator--(int) { 100 AlphaArguments args = *this; 101 --number; 102 assert(number >= 0); 103 return args; 104 } 105 106 const AlphaArguments &operator+=(int index) { 107 number += index; 108 assert(number >= 0); 109 return *this; 110 } 111 112 const AlphaArguments &operator-=(int index) { 113 number -= index; 114 assert(number >= 0); 115 return *this; 116 } 117 118 AlphaArguments operator[](int index) { 119 return AlphaArguments(xc, index); 120 } 121 122 template <class T> 123 operator T() { 124 assert(sizeof(T) <= sizeof(uint64_t)); 125 T data = static_cast<T>(getArg()); 126 return data; 127 } 128 129 template <class T> 130 operator T *() { 131 T *buf = (T *)data->alloc(sizeof(T)); 132 Kernel::CopyData(xc, buf, getArg(), sizeof(T)); 133 return buf; 134 } 135 136 operator char *() { 137 char *buf = data->alloc(2048); 138 Kernel::CopyString(xc, buf, getArg(), 2048); 139 return buf; 140 } 141}; 142 143#endif // __ARGUMENTS_HH__ 144