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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [bfd-target.c] - Blame information for rev 227

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1 227 jeremybenn
/* Very simple "bfd" target, for GDB, the GNU debugger.
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   Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010
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   Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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#include "defs.h"
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#include "target.h"
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#include "bfd-target.h"
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#include "exec.h"
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/* The object that is stored in the target_ops->to_data field has this
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   type.  */
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struct target_bfd_data
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{
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  /* The BFD we're wrapping.  */
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  struct bfd *bfd;
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  /* The section table build from the ALLOC sections in BFD.  Note
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     that we can't rely on extracting the BFD from a random section in
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     the table, since the table can be legitimately empty.  */
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  struct target_section_table table;
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};
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static LONGEST
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target_bfd_xfer_partial (struct target_ops *ops,
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                         enum target_object object,
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                         const char *annex, gdb_byte *readbuf,
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                         const gdb_byte *writebuf,
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                         ULONGEST offset, LONGEST len)
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{
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  switch (object)
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    {
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    case TARGET_OBJECT_MEMORY:
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      {
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        struct target_bfd_data *data = ops->to_data;
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        return section_table_xfer_memory_partial (readbuf, writebuf,
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                                                  offset, len,
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                                                  data->table.sections,
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                                                  data->table.sections_end,
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                                                  NULL);
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      }
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    default:
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      return -1;
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    }
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}
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static struct target_section_table *
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target_bfd_get_section_table (struct target_ops *ops)
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{
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  struct target_bfd_data *data = ops->to_data;
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  return &data->table;
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}
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static void
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target_bfd_xclose (struct target_ops *t, int quitting)
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{
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  struct target_bfd_data *data = t->to_data;
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  bfd_close (data->bfd);
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  xfree (data->table.sections);
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  xfree (data);
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  xfree (t);
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}
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struct target_ops *
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target_bfd_reopen (struct bfd *bfd)
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{
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  struct target_ops *t;
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  struct target_bfd_data *data;
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  data = XZALLOC (struct target_bfd_data);
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  data->bfd = bfd;
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  build_section_table (bfd, &data->table.sections, &data->table.sections_end);
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  t = XZALLOC (struct target_ops);
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  t->to_shortname = "bfd";
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  t->to_longname = _("BFD backed target");
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  t->to_doc = _("You should never see this");
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  t->to_get_section_table = target_bfd_get_section_table;
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  t->to_xfer_partial = target_bfd_xfer_partial;
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  t->to_xclose = target_bfd_xclose;
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  t->to_data = data;
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  return t;
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}

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