gdb/auxv.h

   1 /* Auxiliary vector support for GDB, the GNU debugger.
   2
   3    Copyright (C) 2004-2014 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 #ifndef AUXV_H
  21 #define AUXV_H
  22
  23 #include "target.h"
  24
  25 /* See "include/elf/common.h" for the definition of valid AT_* values.  */
  26
  27 /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
  28    Return 0 if *READPTR is already at the end of the buffer.
  29    Return -1 if there is insufficient buffer for a whole entry.
  30    Return 1 if an entry was read into *TYPEP and *VALP.  */
  31 extern int target_auxv_parse (struct target_ops *ops,
  32                               gdb_byte **readptr, gdb_byte *endptr,
  33                               CORE_ADDR *typep, CORE_ADDR *valp);
  34
  35 /* Extract the auxiliary vector entry with a_type matching MATCH.
  36    Return zero if no such entry was found, or -1 if there was
  37    an error getting the information.  On success, return 1 after
  38    storing the entry's value field in *VALP.  */
  39 extern int target_auxv_search (struct target_ops *ops,
  40                                CORE_ADDR match, CORE_ADDR *valp);
  41
  42 /* Print the contents of the target's AUXV on the specified file.  */
  43 extern int fprint_target_auxv (struct ui_file *file, struct target_ops *ops);
  44
  45 extern target_xfer_partial_ftype memory_xfer_auxv;
  46
  47
  48 #endif