GDB (xrefs)
/tmp/gdb-7.10/gdb/auxv.h
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1 /* Auxiliary vector support for GDB, the GNU debugger.
2 
3  Copyright (C) 2004-2015 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 /* The default implementation of to_auxv_parse, used by the target
28  stack. */
29 
30 extern int default_auxv_parse (struct target_ops *ops, gdb_byte **readptr,
31  gdb_byte *endptr, CORE_ADDR *typep,
32  CORE_ADDR *valp);
33 
34 /* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
35  Return 0 if *READPTR is already at the end of the buffer.
36  Return -1 if there is insufficient buffer for a whole entry.
37  Return 1 if an entry was read into *TYPEP and *VALP. */
38 extern int target_auxv_parse (struct target_ops *ops,
39  gdb_byte **readptr, gdb_byte *endptr,
40  CORE_ADDR *typep, CORE_ADDR *valp);
41 
42 /* Extract the auxiliary vector entry with a_type matching MATCH.
43  Return zero if no such entry was found, or -1 if there was
44  an error getting the information. On success, return 1 after
45  storing the entry's value field in *VALP. */
46 extern int target_auxv_search (struct target_ops *ops,
47  CORE_ADDR match, CORE_ADDR *valp);
48 
49 /* Print the contents of the target's AUXV on the specified file. */
50 extern int fprint_target_auxv (struct ui_file *file, struct target_ops *ops);
51 
53 
54 
55 #endif
bfd_vma CORE_ADDR
Definition: common-types.h:41
int target_auxv_search(struct target_ops *ops, CORE_ADDR match, CORE_ADDR *valp)
Definition: auxv.c:375
int fprint_target_auxv(struct ui_file *file, struct target_ops *ops)
Definition: auxv.c:412
int target_auxv_parse(struct target_ops *ops, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp)
Definition: auxv.c:286
int default_auxv_parse(struct target_ops *ops, gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp)
Definition: auxv.c:258
Definition: gdbtypes.h:749
enum target_xfer_status target_xfer_partial_ftype(struct target_ops *ops, enum target_object object, const char *annex, gdb_byte *readbuf, const gdb_byte *writebuf, ULONGEST offset, ULONGEST len, ULONGEST *xfered_len)
bfd_byte gdb_byte
Definition: common-types.h:38
target_xfer_partial_ftype memory_xfer_auxv