src/arch/mips/remote_gdb.hh

   1 /*
   2  * Copyright 2015 LabWare
   3  * Copyright 2014 Google, Inc.
   4  * Copyright (c) 2007 The Regents of The University of Michigan
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are
   9  * met: redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer;
  11  * redistributions in binary form must reproduce the above copyright
  12  * notice, this list of conditions and the following disclaimer in the
  13  * documentation and/or other materials provided with the distribution;
  14  * neither the name of the copyright holders nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef __ARCH_MIPS_REMOTE_GDB_HH__
  32 #define __ARCH_MIPS_REMOTE_GDB_HH__
  33
  34 #include "arch/mips/registers.hh"
  35 #include "base/bitfield.hh"
  36 #include "base/remote_gdb.hh"
  37
  38 class System;
  39 class ThreadContext;
  40
  41 namespace MipsISA
  42 {
  43
  44 class RemoteGDB : public BaseRemoteGDB
  45 {
  46   protected:
  47     bool acc(Addr addr, size_t len);
  48
  49     class MipsGdbRegCache : public BaseGdbRegCache
  50     {
  51       using BaseGdbRegCache::BaseGdbRegCache;
  52       private:
  53         struct {
  54             uint32_t gpr[32];
  55             uint32_t sr;
  56             uint32_t lo;
  57             uint32_t hi;
  58             uint32_t badvaddr;
  59             uint32_t cause;
  60             uint32_t pc;
  61             uint32_t fpr[32];
  62             uint32_t fsr;
  63             uint32_t fir;
  64         } r;
  65       public:
  66         char *data() const { return (char *)&r; }
  67         size_t size() const { return sizeof(r); }
  68         void getRegs(ThreadContext*);
  69         void setRegs(ThreadContext*) const;
  70         const std::string
  71         name() const
  72         {
  73             return gdb->name() + ".MipsGdbRegCache";
  74         }
  75     };
  76
  77     MipsGdbRegCache regCache;
  78
  79   public:
  80     RemoteGDB(System *_system, ThreadContext *tc, int _port);
  81     BaseGdbRegCache *gdbRegs();
  82 };
  83
  84 } // namespace MipsISA
  85
  86 #endif /* __ARCH_MIPS_REMOTE_GDB_H__ */