src/arch/sparc/process.hh

   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
  29 #ifndef __SPARC_PROCESS_HH__
  30 #define __SPARC_PROCESS_HH__
  31
  32 #include <string>
  33 #include <vector>
  34 #include "sim/process.hh"
  35
  36 class ObjectFile;
  37 class System;
  38
  39 typedef struct
  40 {
  41     int64_t a_type;
  42     union {
  43         int64_t a_val;
  44         Addr    a_ptr;
  45         Addr    a_fcn;
  46     };
  47 } m5_auxv_t;
  48
  49 class SparcLiveProcess : public LiveProcess
  50 {
  51   protected:
  52
  53     static const Addr StackBias = 2047;
  54
  55     std::vector<m5_auxv_t> auxv;
  56
  57     SparcLiveProcess(const std::string &nm, ObjectFile *objFile,
  58                 System *_system, int stdin_fd, int stdout_fd, int stderr_fd,
  59                 std::vector<std::string> &argv,
  60                 std::vector<std::string> &envp);
  61
  62     void startup();
  63
  64   public:
  65     // this function is used to create the LiveProcess object, since
  66     // we can't tell which subclass of LiveProcess to use until we
  67     // open and look at the object file.
  68     static SparcLiveProcess *create(const std::string &nm,
  69                                System *_system,
  70                                int stdin_fd, int stdout_fd, int stderr_fd,
  71                                std::string executable,
  72                                std::vector<std::string> &argv,
  73                                std::vector<std::string> &envp);
  74
  75     void argsInit(int intSize, int pageSize);
  76
  77 };
  78
  79 #endif // __SPARC_PROCESS_HH__