kern/tru64/dump_mbuf.cc

   1 /*
   2  * Copyright (c) 2003 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 #include <sys/types.h>
  30 #include <algorithm>
  31
  32 #include "base/cprintf.hh"
  33 #include "base/trace.hh"
  34 #include "kern/tru64/mbuf.hh"
  35 #include "sim/host.hh"
  36 #include "targetarch/arguments.hh"
  37 #include "targetarch/isa_traits.hh"
  38 #include "targetarch/vtophys.hh"
  39
  40 namespace tru64 {
  41
  42 void
  43 DumpMbuf(AlphaArguments args)
  44 {
  45     ExecContext *xc = args.getExecContext();
  46     Addr addr = (Addr)args;
  47     struct mbuf m;
  48
  49     CopyData(xc, &m, addr, sizeof(m));
  50
  51     int count = m.m_pkthdr.len;
  52
  53     ccprintf(DebugOut(), "m=%#lx, m->m_pkthdr.len=%#d\n", addr,
  54              m.m_pkthdr.len);
  55
  56     while (count > 0) {
  57         ccprintf(DebugOut(), "m=%#lx, m->m_data=%#lx, m->m_len=%d\n",
  58                  addr, m.m_data, m.m_len);
  59         char *buffer = new char[m.m_len];
  60         CopyData(xc, buffer, m.m_data, m.m_len);
  61         Trace::rawDump((uint8_t *)buffer, m.m_len);
  62         delete [] buffer;
  63
  64         count -= m.m_len;
  65         if (!m.m_next)
  66             break;
  67
  68         CopyData(xc, &m, m.m_next, sizeof(m));
  69     }
  70 }
  71
  72 } // namespace Tru64