process.hh revision 5962 
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
85      public:
86        Addr gdtStart()
87        { return _gdtStart; }
88
89        Addr gdtSize()
90        { return _gdtSize; }
91
92        SyscallDesc* getDesc(int callnum);
93
94        void setSyscallReturn(ThreadContext *tc, SyscallReturn return_value);
95    };
96
97    class X86_64LiveProcess : public X86LiveProcess
98    {
99      protected:
100        X86_64LiveProcess(LiveProcessParams *params, ObjectFile *objFile,
101                SyscallDesc *_syscallDescs, int _numSyscallDescs);
102
103      public:
104        void argsInit(int intSize, int pageSize);
105        void startup();
106
107        X86ISA::IntReg getSyscallArg(ThreadContext *tc, int i);
108        void setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val);
109    };
110
111    class I386LiveProcess : public X86LiveProcess
112    {
113      protected:
114        I386LiveProcess(LiveProcessParams *params, ObjectFile *objFile,
115                SyscallDesc *_syscallDescs, int _numSyscallDescs);
116
117      public:
118        void argsInit(int intSize, int pageSize);
119        void startup();
120
121        X86ISA::IntReg getSyscallArg(ThreadContext *tc, int i);
122        void setSyscallArg(ThreadContext *tc, int i, X86ISA::IntReg val);
123    };
124}
125
126#endif // __ARCH_X86_PROCESS_HH__
127