1 /* Auxiliary vector support for GDB, the GNU debugger. 2 3 Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 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 /* This function is called like a to_xfer_partial hook, but must be 47 called with TARGET_OBJECT_AUXV. It handles access via 48 /proc/PID/auxv, which is a common method for native targets. */ 49 50 extern LONGEST procfs_xfer_auxv (struct target_ops *ops, 51 enum target_object object, 52 const char *annex, 53 gdb_byte *readbuf, 54 const gdb_byte *writebuf, 55 ULONGEST offset, 56 LONGEST len); 57 58 59 #endif 60