src/arch/arm/linux/process.hh

   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
  37 /// A process with emulated Arm/Linux syscalls.
  38 class ArmLinuxProcess : public ArmLiveProcess
  39 {
  40   public:
  41     ArmLinuxProcess(LiveProcessParams * params, ObjectFile *objFile,
  42                     ObjectFile::Arch _arch);
  43
  44     virtual SyscallDesc* getDesc(int callnum);
  45
  46     void initState();
  47
  48     ArmISA::IntReg getSyscallArg(ThreadContext *tc, int &i);
  49     void setSyscallArg(ThreadContext *tc, int i, ArmISA::IntReg val);
  50
  51     /// The target system's hostname.
  52     static const char *hostname;
  53
  54     /// A page to hold "kernel" provided functions. The name might be wrong.
  55     static const Addr commPage;
  56
  57     /// Array of syscall descriptors, indexed by call number.
  58     static SyscallDesc syscallDescs[];
  59
  60     /// Array of "arm private" syscall descriptors.
  61     static SyscallDesc privSyscallDescs[];
  62
  63     const int Num_Syscall_Descs;
  64
  65     const int Num_Priv_Syscall_Descs;
  66 };
  67
  68 #endif // __ARM_LINUX_PROCESS_HH__