gdb/auxv.h

   1 /* Auxiliary vector support for GDB, the GNU debugger.
   2
   3    Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #ifndef AUXV_H
  22 #define AUXV_H
  23
  24 #include "target.h"
  25
  26 /* See "include/elf/common.h" for the definition of valid AT_* values.  */
  27
  28 /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
  29    Return 0 if *READPTR is already at the end of the buffer.
  30    Return -1 if there is insufficient buffer for a whole entry.
  31    Return 1 if an entry was read into *TYPEP and *VALP.  */
  32 extern int target_auxv_parse (struct target_ops *ops,
  33                               gdb_byte **readptr, gdb_byte *endptr,
  34                               CORE_ADDR *typep, CORE_ADDR *valp);
  35
  36 /* Extract the auxiliary vector entry with a_type matching MATCH.
  37    Return zero if no such entry was found, or -1 if there was
  38    an error getting the information.  On success, return 1 after
  39    storing the entry's value field in *VALP.  */
  40 extern int target_auxv_search (struct target_ops *ops,
  41                                CORE_ADDR match, CORE_ADDR *valp);
  42
  43 /* Print the contents of the target's AUXV on the specified file. */
  44 extern int fprint_target_auxv (struct ui_file *file, struct target_ops *ops);
  45
  46 extern LONGEST memory_xfer_auxv (struct target_ops *ops,
  47                                  enum target_object object,
  48                                  const char *annex,
  49                                  gdb_byte *readbuf,
  50                                  const gdb_byte *writebuf,
  51                                  ULONGEST offset,
  52                                  LONGEST len);
  53
  54
  55 #endif