process.hh revision 6075
1/* 2 * Copyright (c) 2007 The Hewlett-Packard Development Company 3 * All rights reserved. 4 * 5 * Redistribution and use of this software in source and binary forms, 6 * with or without modification, are permitted provided that the 7 * following conditions are met: 8 * 9 * The software must be used only for Non-Commercial Use which means any 10 * use which is NOT directed to receiving any direct monetary 11 * compensation for, or commercial advantage from such use. Illustrative 12 * examples of non-commercial use are academic research, personal study, 13 * teaching, education and corporate research & development. 14 * Illustrative examples of commercial use are distributing products for 15 * commercial advantage and providing services using the software for 16 * commercial advantage. 17 * 18 * If you wish to use this software or functionality therein that may be 19 * covered by patents for commercial use, please contact: 20 * Director of Intellectual Property Licensing 21 * Office of Strategy and Technology 22 * Hewlett-Packard Company 23 * 1501 Page Mill Road 24 * Palo Alto, California 94304 25 * 26 * Redistributions of source code must retain the above copyright notice, 27 * this list of conditions and the following disclaimer. Redistributions 28 * in binary form must reproduce the above copyright notice, this list of 29 * conditions and the following disclaimer in the documentation and/or 30 * other materials provided with the distribution. Neither the name of 31 * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 32 * contributors may be used to endorse or promote products derived from 33 * this software without specific prior written permission. No right of 34 * sublicense is granted herewith. Derivatives of the software and 35 * output created using the software may be prepared, but only for 36 * Non-Commercial Uses. Derivatives of the software may be shared with 37 * others provided: (i) the others agree to abide by the list of 38 * conditions herein which includes the Non-Commercial Use restrictions; 39 * and (ii) such Derivatives of the software include the above copyright 40 * notice to acknowledge the contribution from this software where 41 * applicable, this list of conditions and the disclaimer below. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 * 55 * Authors: Gabe Black 56 */ 57 58#ifndef __ARCH_X86_PROCESS_HH__ 59#define __ARCH_X86_PROCESS_HH__ 60 61#include <string> 62#include <vector> 63#include "sim/process.hh" 64 65class SyscallDesc; 66 67namespace X86ISA 68{ 69 70 class X86LiveProcess : public LiveProcess 71 { 72 protected: 73 Addr _gdtStart; 74 Addr _gdtSize; 75 76 SyscallDesc *syscallDescs; 77 const int numSyscallDescs; 78 79 X86LiveProcess(LiveProcessParams * params, ObjectFile *objFile, 80 SyscallDesc *_syscallDescs, int _numSyscallDescs); 81 82 template<class IntType> 83 void argsInit(int pageSize, 84 std::vector<AuxVector<IntType> > extraAuxvs); 85 86 public: 87 Addr gdtStart() 88 { return _gdtStart; } 89 90 Addr gdtSize() 91 { return _gdtSize; } 92 93 SyscallDesc* getDesc(int callnum); 94 95 void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value); 96 }; 97 98 class X86_64LiveProcess : public X86LiveProcess 99 { 100 protected: 101 X86_64LiveProcess(LiveProcessParams *params, ObjectFile *objFile, 102 SyscallDesc *_syscallDescs, int _numSyscallDescs); 103 104 public: 105 void argsInit(int intSize, int pageSize); 106 void startup(); 107 108 X86ISA::IntReg getSyscallArg(ThreadContext *tc, int i); 109 void setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val); 110 }; 111 112 class I386LiveProcess : public X86LiveProcess 113 { 114 protected: 115 I386LiveProcess(LiveProcessParams *params, ObjectFile *objFile, 116 SyscallDesc *_syscallDescs, int _numSyscallDescs); 117 118 class VSyscallPage 119 { 120 public: 121 Addr base; 122 Addr size; 123 Addr vsyscallOffset; 124 Addr vsysexitOffset; 125 }; 126 VSyscallPage vsyscallPage; 127 128 public: 129 void argsInit(int intSize, int pageSize); 130 void startup(); 131 132 void syscall(int64_t callnum, ThreadContext *tc); 133 X86ISA::IntReg getSyscallArg(ThreadContext *tc, int i); 134 void setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val); 135 }; 136} 137 138#endif // __ARCH_X86_PROCESS_HH__ 139