xref: /dragonfly/contrib/gdb-7/gdb/auxv.h (revision 678e8cc6)
1 /* Auxiliary vector support for GDB, the GNU debugger.
2 
3    Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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
56