| 1 |
24 |
jeremybenn |
/* Auxiliary vector support for GDB, the GNU debugger.
|
| 2 |
|
|
|
| 3 |
|
|
Copyright (C) 2004, 2005, 2006, 2007, 2008 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 |
|
|
/* See "include/elf/common.h" for the definition of valid AT_* values. */
|
| 24 |
|
|
|
| 25 |
|
|
|
| 26 |
|
|
/* Avoid miscellaneous includes in this file, so that it can be
|
| 27 |
|
|
included by nm-*.h for the procfs_xfer_auxv decl if that is
|
| 28 |
|
|
used in NATIVE_XFER_AUXV. */
|
| 29 |
|
|
struct target_ops; /* Forward declaration. */
|
| 30 |
|
|
|
| 31 |
|
|
|
| 32 |
|
|
/* Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
|
| 33 |
|
|
Return 0 if *READPTR is already at the end of the buffer.
|
| 34 |
|
|
Return -1 if there is insufficient buffer for a whole entry.
|
| 35 |
|
|
Return 1 if an entry was read into *TYPEP and *VALP. */
|
| 36 |
|
|
extern int target_auxv_parse (struct target_ops *ops,
|
| 37 |
|
|
gdb_byte **readptr, gdb_byte *endptr,
|
| 38 |
|
|
CORE_ADDR *typep, CORE_ADDR *valp);
|
| 39 |
|
|
|
| 40 |
|
|
/* Extract the auxiliary vector entry with a_type matching MATCH.
|
| 41 |
|
|
Return zero if no such entry was found, or -1 if there was
|
| 42 |
|
|
an error getting the information. On success, return 1 after
|
| 43 |
|
|
storing the entry's value field in *VALP. */
|
| 44 |
|
|
extern int target_auxv_search (struct target_ops *ops,
|
| 45 |
|
|
CORE_ADDR match, CORE_ADDR *valp);
|
| 46 |
|
|
|
| 47 |
|
|
/* Print the contents of the target's AUXV on the specified file. */
|
| 48 |
|
|
extern int fprint_target_auxv (struct ui_file *file, struct target_ops *ops);
|
| 49 |
|
|
|
| 50 |
|
|
|
| 51 |
|
|
/* This function is called like a to_xfer_partial hook,
|
| 52 |
|
|
but must be called with TARGET_OBJECT_AUXV.
|
| 53 |
|
|
It handles access via /proc/PID/auxv, which is the common method.
|
| 54 |
|
|
This function is appropriate for doing:
|
| 55 |
|
|
#define NATIVE_XFER_AUXV procfs_xfer_auxv
|
| 56 |
|
|
for a native target that uses inftarg.c's child_xfer_partial hook. */
|
| 57 |
|
|
|
| 58 |
|
|
extern LONGEST procfs_xfer_auxv (struct target_ops *ops,
|
| 59 |
|
|
int /* enum target_object */ object,
|
| 60 |
|
|
const char *annex,
|
| 61 |
|
|
gdb_byte *readbuf,
|
| 62 |
|
|
const gdb_byte *writebuf,
|
| 63 |
|
|
ULONGEST offset,
|
| 64 |
|
|
LONGEST len);
|
| 65 |
|
|
|
| 66 |
|
|
|
| 67 |
|
|
#endif
|
