gdb/bfd-target.c

   1 /* Very simple "bfd" target, for GDB, the GNU debugger.
   2
   3    Copyright (C) 2003, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "defs.h"
  21 #include "target.h"
  22 #include "bfd-target.h"
  23 #include "exec.h"
  24
  25 static LONGEST
  26 target_bfd_xfer_partial (struct target_ops *ops,
  27                          enum target_object object,
  28                          const char *annex, gdb_byte *readbuf,
  29                          const gdb_byte *writebuf,
  30                          ULONGEST offset, LONGEST len)
  31 {
  32   switch (object)
  33     {
  34     case TARGET_OBJECT_MEMORY:
  35       return section_table_xfer_memory_partial (readbuf, writebuf, offset, len,
  36                                                 ops->to_sections,
  37                                                 ops->to_sections_end);
  38     default:
  39       return -1;
  40     }
  41 }
  42
  43 static void
  44 target_bfd_xclose (struct target_ops *t, int quitting)
  45 {
  46   bfd_close (t->to_data);
  47   xfree (t->to_sections);
  48   xfree (t);
  49 }
  50
  51 struct target_ops *
  52 target_bfd_reopen (struct bfd *bfd)
  53 {
  54   struct target_ops *t = XZALLOC (struct target_ops);
  55   t->to_shortname = "bfd";
  56   t->to_longname = _("BFD backed target");
  57   t->to_doc = _("You should never see this");
  58   t->to_xfer_partial = target_bfd_xfer_partial;
  59   t->to_xclose = target_bfd_xclose;
  60   t->to_data = bfd;
  61
  62   build_section_table (bfd,
  63                        &t->to_sections,
  64                        &t->to_sections_end);
  65   return t;
  66 }