process.hh revision 4111 
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: Steve Reinhardt
29 */
30
31#ifndef __SPARC_LINUX_PROCESS_HH__
32#define __SPARC_LINUX_PROCESS_HH__
33
34#include "arch/sparc/linux/linux.hh"
35#include "arch/sparc/syscallreturn.hh"
36#include "arch/sparc/process.hh"
37#include "sim/process.hh"
38
39namespace SparcISA {
40
41//This contains all of the common elements of a SPARC Linux process which
42//are not shared by other operating systems. The rest come from the common
43//SPARC process class.
44class SparcLinuxProcess
45{
46  public:
47    SparcLinuxProcess();
48
49     /// Array of syscall descriptors, indexed by call number.
50    static SyscallDesc syscallDescs[];
51
52    SyscallDesc* getDesc(int callnum);
53
54    const int Num_Syscall_Descs;
55};
56
57/// A process with emulated SPARC/Linux syscalls.
58class Sparc32LinuxProcess : public SparcLinuxProcess, public Sparc32LiveProcess
59{
60  public:
61    /// Constructor.
62    Sparc32LinuxProcess(const std::string &name,
63                      ObjectFile *objFile,
64                      System * system,
65                      int stdin_fd, int stdout_fd, int stderr_fd,
66                      std::vector<std::string> &argv,
67                      std::vector<std::string> &envp,
68                      const std::string &cwd,
69                      uint64_t _uid, uint64_t _euid,
70                      uint64_t _gid, uint64_t _egid,
71                      uint64_t _pid, uint64_t _ppid);
72
73    SyscallDesc* getDesc(int callnum)
74    {
75        return SparcLinuxProcess::getDesc(callnum);
76    }
77
78    void handleTrap(int trapNum, ThreadContext *tc);
79};
80
81/// A process with emulated 32 bit SPARC/Linux syscalls.
82class Sparc64LinuxProcess : public SparcLinuxProcess, public Sparc64LiveProcess
83{
84  public:
85    /// Constructor.
86    Sparc64LinuxProcess(const std::string &name,
87                      ObjectFile *objFile,
88                      System * system,
89                      int stdin_fd, int stdout_fd, int stderr_fd,
90                      std::vector<std::string> &argv,
91                      std::vector<std::string> &envp,
92                      const std::string &cwd,
93                      uint64_t _uid, uint64_t _euid,
94                      uint64_t _gid, uint64_t _egid,
95                      uint64_t _pid, uint64_t _ppid);
96
97    SyscallDesc* getDesc(int callnum)
98    {
99        return SparcLinuxProcess::getDesc(callnum);
100    }
101
102    void handleTrap(int trapNum, ThreadContext *tc);
103};
104
105SyscallReturn getresuidFunc(SyscallDesc *desc, int num,
106                                 LiveProcess *p, ThreadContext *tc);
107
108} // namespace SparcISA
109#endif // __SPARC_LINUX_PROCESS_HH__
110