process.hh revision 9552:460cf901acba 
1/*
2 * Copyright (c) 2007-2008 The Florida State University
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: Stephen Hines
29 */
30
31#ifndef __ARM_LINUX_PROCESS_HH__
32#define __ARM_LINUX_PROCESS_HH__
33
34#include "arch/arm/process.hh"
35
36/// A process with emulated Arm/Linux syscalls.
37class ArmLinuxProcess : public ArmLiveProcess
38{
39  public:
40    ArmLinuxProcess(LiveProcessParams * params, ObjectFile *objFile,
41                    ObjectFile::Arch _arch);
42
43    virtual SyscallDesc* getDesc(int callnum);
44
45    void initState();
46
47    ArmISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
48    /// Explicitly import the otherwise hidden getSyscallArg
49    using ArmLiveProcess::getSyscallArg;
50    void setSyscallArg(ThreadContext *tc, int i, ArmISA::IntReg val);
51
52    /// The target system's hostname.
53    static const char *hostname;
54
55    /// A page to hold "kernel" provided functions. The name might be wrong.
56    static const Addr commPage;
57
58    /// Array of syscall descriptors, indexed by call number.
59    static SyscallDesc syscallDescs[];
60
61    /// Array of "arm private" syscall descriptors.
62    static SyscallDesc privSyscallDescs[];
63
64    const int Num_Syscall_Descs;
65
66    const int Num_Priv_Syscall_Descs;
67};
68
69#endif // __ARM_LINUX_PROCESS_HH__
70