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

   1 /* `ptrace' debugger support interface.  Linux version.
   2    Copyright (C) 1996-1999,2000,2006,2007 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _SYS_PTRACE_H
  21 #define _SYS_PTRACE_H   1
  22
  23 #include <features.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
 132
 133 /* Options set using PTRACE_SETOPTIONS.  */
 134 enum __ptrace_setoptions {
 135   PTRACE_O_TRACESYSGOOD = 0x00000001,
 136   PTRACE_O_TRACEFORK    = 0x00000002,
 137   PTRACE_O_TRACEVFORK   = 0x00000004,
 138   PTRACE_O_TRACECLONE   = 0x00000008,
 139   PTRACE_O_TRACEEXEC    = 0x00000010,
 140   PTRACE_O_TRACEVFORKDONE = 0x00000020,
 141   PTRACE_O_TRACEEXIT    = 0x00000040,
 142   PTRACE_O_MASK         = 0x0000007f
 143 };
 144
 145 /* Wait extended result codes for the above trace options.  */
 146 enum __ptrace_eventcodes {
 147   PTRACE_EVENT_FORK     = 1,
 148   PTRACE_EVENT_VFORK    = 2,
 149   PTRACE_EVENT_CLONE    = 3,
 150   PTRACE_EVENT_EXEC     = 4,
 151   PTRACE_EVENT_VFORK_DONE = 5,
 152   PTRACE_EVENT_EXIT     = 6
 153 };
 154
 155 /* Perform process tracing functions.  REQUEST is one of the values
 156    above, and determines the action to be taken.
 157    For all requests except PTRACE_TRACEME, PID specifies the process to be
 158    traced.
 159
 160    PID and the other arguments described above for the various requests should
 161    appear (those that are used for the particular request) as:
 162      pid_t PID, void *ADDR, int DATA, void *ADDR2
 163    after REQUEST.  */
 164 extern long int ptrace (enum __ptrace_request __request, ...) __THROW;
 165
 166 __END_DECLS
 167
 168 #endif /* _SYS_PTRACE_H */