process.hh revision 11877 
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/process.hh"
36#include "sim/process.hh"
37
38namespace SparcISA {
39
40// This contains all of the common elements of a SPARC Linux process which
41// are not shared by other operating systems. The rest come from the common
42// SPARC process class.
43class SparcLinuxProcess
44{
45  public:
46     /// Array of syscall descriptors, indexed by call number.
47    static SyscallDesc syscallDescs[];
48
49     /// Array of 32 bit compatibility syscall descriptors,
50     /// indexed by call number.
51    static SyscallDesc syscall32Descs[];
52
53    SyscallDesc* getDesc(int callnum);
54    SyscallDesc* getDesc32(int callnum);
55
56    static const int Num_Syscall_Descs;
57    static const int Num_Syscall32_Descs;
58};
59
60/// A process with emulated SPARC/Linux syscalls.
61class Sparc32LinuxProcess : public SparcLinuxProcess, public Sparc32Process
62{
63  public:
64    /// Constructor.
65    Sparc32LinuxProcess(ProcessParams * params, ObjectFile *objFile);
66
67    SyscallDesc*
68    getDesc(int callnum)
69    {
70        return SparcLinuxProcess::getDesc32(callnum);
71    }
72
73    void handleTrap(int trapNum, ThreadContext *tc, Fault *fault);
74};
75
76/// A process with emulated 32 bit SPARC/Linux syscalls.
77class Sparc64LinuxProcess : public SparcLinuxProcess, public Sparc64Process
78{
79  public:
80    /// Constructor.
81    Sparc64LinuxProcess(ProcessParams * params, ObjectFile *objFile);
82
83    SyscallDesc*
84    getDesc(int callnum)
85    {
86        return SparcLinuxProcess::getDesc(callnum);
87    }
88
89    void handleTrap(int trapNum, ThreadContext *tc, Fault *fault);
90};
91
92SyscallReturn getresuidFunc(SyscallDesc *desc, int num,
93                            Process *p, ThreadContext *tc);
94
95} // namespace SparcISA
96#endif // __SPARC_LINUX_PROCESS_HH__
97