process.hh revision 4111:65fffcb4fae9 
1/*
2 * Copyright (c) 2003-2004 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Gabe Black
29 *          Ali Saidi
30 */
31
32#ifndef __SPARC_PROCESS_HH__
33#define __SPARC_PROCESS_HH__
34
35#include <string>
36#include <vector>
37#include "sim/process.hh"
38
39class ObjectFile;
40class System;
41
42class SparcLiveProcess : public LiveProcess
43{
44  protected:
45
46    //The locations of the fill and spill handlers
47    Addr fillStart, spillStart;
48
49    SparcLiveProcess(const std::string &nm, ObjectFile *objFile,
50                System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
51                std::vector<std::string> &argv,
52                std::vector<std::string> &envp,
53                const std::string &cwd,
54                uint64_t _uid, uint64_t _euid,
55                uint64_t _gid, uint64_t _egid,
56                uint64_t _pid, uint64_t _ppid);
57
58  public:
59
60    //Handles traps which request services from the operating system
61    virtual void handleTrap(int trapNum, ThreadContext *tc);
62
63    Addr readFillStart()
64    { return fillStart; }
65
66    Addr readSpillStart()
67    { return spillStart; }
68
69};
70
71struct M5_32_auxv_t
72{
73    int32_t a_type;
74    union {
75        int32_t a_val;
76        int32_t a_ptr;
77        int32_t a_fcn;
78    };
79
80    M5_32_auxv_t()
81    {}
82
83    M5_32_auxv_t(int32_t type, int32_t val);
84};
85
86class Sparc32LiveProcess : public SparcLiveProcess
87{
88  protected:
89
90    std::vector<M5_32_auxv_t> auxv;
91
92    Sparc32LiveProcess(const std::string &nm, ObjectFile *objFile,
93                System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
94                std::vector<std::string> &argv,
95                std::vector<std::string> &envp,
96                const std::string &cwd,
97                uint64_t _uid, uint64_t _euid,
98                uint64_t _gid, uint64_t _egid,
99                uint64_t _pid, uint64_t _ppid) :
100            SparcLiveProcess(nm, objFile, _system,
101                         stdin_fd, stdout_fd, stderr_fd,
102                         argv, envp, cwd,
103                         _uid, _euid, _gid, _egid, _pid, _ppid)
104    {
105        // Set up stack. On SPARC Linux, stack goes from the top of memory
106        // downward, less the hole for the kernel address space.
107        stack_base = (Addr)0xf0000000ULL;
108
109        // Set up region for mmaps.
110        mmap_start = mmap_end = 0x70000000;
111    }
112
113    void startup();
114
115  public:
116
117    void argsInit(int intSize, int pageSize);
118
119};
120
121struct M5_64_auxv_t
122{
123    int64_t a_type;
124    union {
125        int64_t a_val;
126        int64_t a_ptr;
127        int64_t a_fcn;
128    };
129
130    M5_64_auxv_t()
131    {}
132
133    M5_64_auxv_t(int64_t type, int64_t val);
134};
135
136class Sparc64LiveProcess : public SparcLiveProcess
137{
138  protected:
139
140    static const Addr StackBias = 2047;
141
142    std::vector<M5_64_auxv_t> auxv;
143
144    Sparc64LiveProcess(const std::string &nm, ObjectFile *objFile,
145                System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
146                std::vector<std::string> &argv,
147                std::vector<std::string> &envp,
148                const std::string &cwd,
149                uint64_t _uid, uint64_t _euid,
150                uint64_t _gid, uint64_t _egid,
151                uint64_t _pid, uint64_t _ppid) :
152            SparcLiveProcess(nm, objFile, _system,
153                         stdin_fd, stdout_fd, stderr_fd,
154                         argv, envp, cwd,
155                         _uid, _euid, _gid, _egid, _pid, _ppid)
156    {
157        // Set up stack. On SPARC Linux, stack goes from the top of memory
158        // downward, less the hole for the kernel address space.
159        stack_base = (Addr)0x80000000000ULL;
160
161        // Set up region for mmaps.  Tru64 seems to start just above 0 and
162        // grow up from there.
163        mmap_start = mmap_end = 0xfffff80000000000ULL;
164    }
165
166    void startup();
167
168  public:
169
170    void argsInit(int intSize, int pageSize);
171
172};
173
174#endif // __SPARC_PROCESS_HH__
175