2011-01-19 Yao Qi <yao@codesourcery.com>
[deliverable/binutils-gdb.git] / gdb / auxv.h
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1/* Auxiliary vector support for GDB, the GNU debugger.
2
7b6bb8da 3 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
0fb0cc75 4 Free Software Foundation, Inc.
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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
a9762ec7 10 the Free Software Foundation; either version 3 of the License, or
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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
a9762ec7 19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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20
21#ifndef AUXV_H
22#define AUXV_H
23
81b92222 24#include "target.h"
14ed0a8b 25
81b92222 26/* See "include/elf/common.h" for the definition of valid AT_* values. */
14ed0a8b 27
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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. */
32extern int target_auxv_parse (struct target_ops *ops,
36aa5e41 33 gdb_byte **readptr, gdb_byte *endptr,
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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. */
40extern int target_auxv_search (struct target_ops *ops,
41 CORE_ADDR match, CORE_ADDR *valp);
42
0e2de366 43/* Print the contents of the target's AUXV on the specified file. */
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44extern int fprint_target_auxv (struct ui_file *file, struct target_ops *ops);
45
9f2982ff 46extern LONGEST memory_xfer_auxv (struct target_ops *ops,
81b92222 47 enum target_object object,
14ed0a8b 48 const char *annex,
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49 gdb_byte *readbuf,
50 const gdb_byte *writebuf,
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51 ULONGEST offset,
52 LONGEST len);
53
54
55#endif
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