gdb/common/linux-ptrace.h

   1 /* Copyright (C) 2011-2012 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef COMMON_LINUX_PTRACE_H
  19 #define COMMON_LINUX_PTRACE_H
  20
  21 struct buffer;
  22
  23 #include <sys/ptrace.h>
  24
  25 #ifndef PTRACE_GETSIGINFO
  26 # define PTRACE_GETSIGINFO 0x4202
  27 # define PTRACE_SETSIGINFO 0x4203
  28 #endif /* PTRACE_GETSIGINF */
  29
  30 /* If the system headers did not provide the constants, hard-code the normal
  31    values.  */
  32 #ifndef PTRACE_EVENT_FORK
  33
  34 #define PTRACE_SETOPTIONS       0x4200
  35 #define PTRACE_GETEVENTMSG      0x4201
  36
  37 /* options set using PTRACE_SETOPTIONS */
  38 #define PTRACE_O_TRACESYSGOOD   0x00000001
  39 #define PTRACE_O_TRACEFORK      0x00000002
  40 #define PTRACE_O_TRACEVFORK     0x00000004
  41 #define PTRACE_O_TRACECLONE     0x00000008
  42 #define PTRACE_O_TRACEEXEC      0x00000010
  43 #define PTRACE_O_TRACEVFORKDONE 0x00000020
  44 #define PTRACE_O_TRACEEXIT      0x00000040
  45
  46 /* Wait extended result codes for the above trace options.  */
  47 #define PTRACE_EVENT_FORK       1
  48 #define PTRACE_EVENT_VFORK      2
  49 #define PTRACE_EVENT_CLONE      3
  50 #define PTRACE_EVENT_EXEC       4
  51 #define PTRACE_EVENT_VFORK_DONE 5
  52 #define PTRACE_EVENT_EXIT       6
  53
  54 #endif /* PTRACE_EVENT_FORK */
  55
  56 #if (defined __bfin__ || defined __frv__ || defined __sh__) \
  57     && !defined PTRACE_GETFDPIC
  58 #define PTRACE_GETFDPIC         31
  59 #define PTRACE_GETFDPIC_EXEC    0
  60 #define PTRACE_GETFDPIC_INTERP  1
  61 #endif
  62
  63 /* We can't always assume that this flag is available, but all systems
  64    with the ptrace event handlers also have __WALL, so it's safe to use
  65    in some contexts.  */
  66 #ifndef __WALL
  67 #define __WALL          0x40000000 /* Wait for any child.  */
  68 #endif
  69
  70 extern void linux_ptrace_attach_warnings (pid_t pid, struct buffer *buffer);
  71 extern void linux_ptrace_init_warnings (void);
  72
  73 #endif /* COMMON_LINUX_PTRACE_H */