src/arch/alpha/remote_gdb.hh

   1 /*
   2  * Copyright (c) 2015 LabWare
   3  * Copyright (c) 2002-2005 The Regents of The University of Michigan
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are
   8  * met: redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer;
  10  * redistributions in binary form must reproduce the above copyright
  11  * notice, this list of conditions and the following disclaimer in the
  12  * documentation and/or other materials provided with the distribution;
  13  * neither the name of the copyright holders nor the names of its
  14  * contributors may be used to endorse or promote products derived from
  15  * this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  20  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  21  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  27  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28  *
  29  * Authors: Nathan Binkert
  30  *          Boris Shingarov
  31  */
  32
  33 #ifndef __ARCH_ALPHA_REMOTE_GDB_HH__
  34 #define __ARCH_ALPHA_REMOTE_GDB_HH__
  35
  36 #include <map>
  37
  38 #include "arch/alpha/types.hh"
  39 #include "base/pollevent.hh"
  40 #include "base/remote_gdb.hh"
  41 #include "base/socket.hh"
  42 #include "cpu/pc_event.hh"
  43
  44 class System;
  45 class ThreadContext;
  46
  47 namespace AlphaISA {
  48
  49 class RemoteGDB : public BaseRemoteGDB
  50 {
  51   protected:
  52     // Machine memory
  53     bool acc(Addr addr, size_t len) override;
  54     bool write(Addr addr, size_t size, const char *data) override;
  55
  56     void insertHardBreak(Addr addr, size_t len) override;
  57
  58     class AlphaGdbRegCache : public BaseGdbRegCache
  59     {
  60       using BaseGdbRegCache::BaseGdbRegCache;
  61       private:
  62         struct {
  63             uint64_t gpr[32];
  64             uint64_t fpr[32];
  65             uint64_t pc;
  66             uint64_t vfp;
  67         } r;
  68       public:
  69         char *data() const { return (char *)&r; }
  70         size_t size() const { return sizeof(r); }
  71         void getRegs(ThreadContext*);
  72         void setRegs(ThreadContext*) const;
  73         const std::string name() const { return gdb->name() + ".AlphaGdbRegCache"; }
  74     };
  75
  76   public:
  77     RemoteGDB(System *system, ThreadContext *context);
  78     BaseGdbRegCache *gdbRegs() override;
  79 };
  80
  81 } // namespace AlphaISA
  82
  83 #endif // __ARCH_ALPHA_REMOTE_GDB_HH__