sysdeps/unix/sysv/linux/sys/ptrace.h

   1 /* `ptrace' debugger support interface.  Linux version.
   2    Copyright (C) 1996-2014 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _SYS_PTRACE_H
  20 #define _SYS_PTRACE_H   1
  21
  22 #include <features.h>
  23 #include <bits/types.h>
  24
  25 __BEGIN_DECLS
  26
  27 /* Type of the REQUEST argument to `ptrace.'  */
  28 enum __ptrace_request
  29 {
  30   /* Indicate that the process making this request should be traced.
  31      All signals received by this process can be intercepted by its
  32      parent, and its parent can use the other `ptrace' requests.  */
  33   PTRACE_TRACEME = 0,
  34 #define PT_TRACE_ME PTRACE_TRACEME
  35
  36   /* Return the word in the process's text space at address ADDR.  */
  37   PTRACE_PEEKTEXT = 1,
  38 #define PT_READ_I PTRACE_PEEKTEXT
  39
  40   /* Return the word in the process's data space at address ADDR.  */
  41   PTRACE_PEEKDATA = 2,
  42 #define PT_READ_D PTRACE_PEEKDATA
  43
  44   /* Return the word in the process's user area at offset ADDR.  */
  45   PTRACE_PEEKUSER = 3,
  46 #define PT_READ_U PTRACE_PEEKUSER
  47
  48   /* Write the word DATA into the process's text space at address ADDR.  */
  49   PTRACE_POKETEXT = 4,
  50 #define PT_WRITE_I PTRACE_POKETEXT
  51
  52   /* Write the word DATA into the process's data space at address ADDR.  */
  53   PTRACE_POKEDATA = 5,
  54 #define PT_WRITE_D PTRACE_POKEDATA
  55
  56   /* Write the word DATA into the process's user area at offset ADDR.  */
  57   PTRACE_POKEUSER = 6,
  58 #define PT_WRITE_U PTRACE_POKEUSER
  59
  60   /* Continue the process.  */
  61   PTRACE_CONT = 7,
  62 #define PT_CONTINUE PTRACE_CONT
  63
  64   /* Kill the process.  */
  65   PTRACE_KILL = 8,
  66 #define PT_KILL PTRACE_KILL
  67
  68   /* Single step the process.
  69      This is not supported on all machines.  */
  70   PTRACE_SINGLESTEP = 9,
  71 #define PT_STEP PTRACE_SINGLESTEP
  72
  73   /* Get all general purpose registers used by a processes.
  74      This is not supported on all machines.  */
  75    PTRACE_GETREGS = 12,
  76 #define PT_GETREGS PTRACE_GETREGS
  77
  78   /* Set all general purpose registers used by a processes.
  79      This is not supported on all machines.  */
  80    PTRACE_SETREGS = 13,
  81 #define PT_SETREGS PTRACE_SETREGS
  82
  83   /* Get all floating point registers used by a processes.
  84      This is not supported on all machines.  */
  85    PTRACE_GETFPREGS = 14,
  86 #define PT_GETFPREGS PTRACE_GETFPREGS
  87
  88   /* Set all floating point registers used by a processes.
  89      This is not supported on all machines.  */
  90    PTRACE_SETFPREGS = 15,
  91 #define PT_SETFPREGS PTRACE_SETFPREGS
  92
  93   /* Attach to a process that is already running. */
  94   PTRACE_ATTACH = 16,
  95 #define PT_ATTACH PTRACE_ATTACH
  96
  97   /* Detach from a process attached to with PTRACE_ATTACH.  */
  98   PTRACE_DETACH = 17,
  99 #define PT_DETACH PTRACE_DETACH
 100
 101   /* Get all extended floating point registers used by a processes.
 102      This is not supported on all machines.  */
 103    PTRACE_GETFPXREGS = 18,
 104 #define PT_GETFPXREGS PTRACE_GETFPXREGS
 105
 106   /* Set all extended floating point registers used by a processes.
 107      This is not supported on all machines.  */
 108    PTRACE_SETFPXREGS = 19,
 109 #define PT_SETFPXREGS PTRACE_SETFPXREGS
 110
 111   /* Continue and stop at the next (return from) syscall.  */
 112   PTRACE_SYSCALL = 24,
 113 #define PT_SYSCALL PTRACE_SYSCALL
 114
 115   /* Set ptrace filter options.  */
 116   PTRACE_SETOPTIONS = 0x4200,
 117 #define PT_SETOPTIONS PTRACE_SETOPTIONS
 118
 119   /* Get last ptrace message.  */
 120   PTRACE_GETEVENTMSG = 0x4201,
 121 #define PT_GETEVENTMSG PTRACE_GETEVENTMSG
 122
 123   /* Get siginfo for process.  */
 124   PTRACE_GETSIGINFO = 0x4202,
 125 #define PT_GETSIGINFO PTRACE_GETSIGINFO
 126
 127   /* Set new siginfo for process.  */
 128   PTRACE_SETSIGINFO = 0x4203,
 129 #define PT_SETSIGINFO PTRACE_SETSIGINFO
 130
 131   /* Get register content.  */
 132   PTRACE_GETREGSET = 0x4204,
 133 #define PTRACE_GETREGSET PTRACE_GETREGSET
 134
 135   /* Set register content.  */
 136   PTRACE_SETREGSET = 0x4205,
 137 #define PTRACE_SETREGSET PTRACE_SETREGSET
 138
 139   /* Like PTRACE_ATTACH, but do not force tracee to trap and do not affect
 140      signal or group stop state.  */
 141   PTRACE_SEIZE = 0x4206,
 142 #define PTRACE_SEIZE PTRACE_SEIZE
 143
 144   /* Trap seized tracee.  */
 145   PTRACE_INTERRUPT = 0x4207,
 146 #define PTRACE_INTERRUPT PTRACE_INTERRUPT
 147
 148   /* Wait for next group event.  */
 149   PTRACE_LISTEN = 0x4208,
 150 #define PTRACE_LISTEN PTRACE_LISTEN
 151
 152   PTRACE_PEEKSIGINFO = 0x4209
 153 #define PTRACE_PEEKSIGINFO PTRACE_PEEKSIGINFO
 154 };
 155
 156
 157 /* Flag for PTRACE_LISTEN.  */
 158 enum __ptrace_flags
 159 {
 160   PTRACE_SEIZE_DEVEL = 0x80000000
 161 };
 162
 163 /* Options set using PTRACE_SETOPTIONS.  */
 164 enum __ptrace_setoptions
 165 {
 166   PTRACE_O_TRACESYSGOOD = 0x00000001,
 167   PTRACE_O_TRACEFORK    = 0x00000002,
 168   PTRACE_O_TRACEVFORK   = 0x00000004,
 169   PTRACE_O_TRACECLONE   = 0x00000008,
 170   PTRACE_O_TRACEEXEC    = 0x00000010,
 171   PTRACE_O_TRACEVFORKDONE = 0x00000020,
 172   PTRACE_O_TRACEEXIT    = 0x00000040,
 173   PTRACE_O_TRACESECCOMP = 0x00000080,
 174   PTRACE_O_EXITKILL     = 0x00100000,
 175   PTRACE_O_MASK         = 0x001000ff
 176 };
 177
 178 /* Wait extended result codes for the above trace options.  */
 179 enum __ptrace_eventcodes
 180 {
 181   PTRACE_EVENT_FORK     = 1,
 182   PTRACE_EVENT_VFORK    = 2,
 183   PTRACE_EVENT_CLONE    = 3,
 184   PTRACE_EVENT_EXEC     = 4,
 185   PTRACE_EVENT_VFORK_DONE = 5,
 186   PTRACE_EVENT_EXIT     = 6,
 187   PTRACE_EVENT_SECCOMP  = 7
 188 };
 189
 190 /* Arguments for PTRACE_PEEKSIGINFO.  */
 191 struct ptrace_peeksiginfo_args
 192 {
 193   __uint64_t off;       /* From which siginfo to start.  */
 194   __uint32_t flags;     /* Flags for peeksiginfo.  */
 195   __int32_t nr;         /* How many siginfos to take.  */
 196 };
 197
 198 enum __ptrace_peeksiginfo_flags
 199 {
 200   /* Read signals from a shared (process wide) queue.  */
 201   PTRACE_PEEKSIGINFO_SHARED = (1 << 0)
 202 };
 203
 204 /* Perform process tracing functions.  REQUEST is one of the values
 205    above, and determines the action to be taken.
 206    For all requests except PTRACE_TRACEME, PID specifies the process to be
 207    traced.
 208
 209    PID and the other arguments described above for the various requests should
 210    appear (those that are used for the particular request) as:
 211      pid_t PID, void *ADDR, int DATA, void *ADDR2
 212    after REQUEST.  */
 213 extern long int ptrace (enum __ptrace_request __request, ...) __THROW;
 214
 215 __END_DECLS
 216
 217 #endif /* _SYS_PTRACE_H */