sysdeps/unix/sysv/linux/s390/sys/ptrace.h

   1 /* `ptrace' debugger support interface.  Linux version.
   2    Copyright (C) 2000, 2006, 2007 Free Software Foundation, Inc.
   3    Contributed by Denis Joseph Barrow (djbarrow@de.ibm.com).
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #ifndef _SYS_PTRACE_H
  22 #define _SYS_PTRACE_H   1
  23
  24 #include <features.h>
  25
  26 __BEGIN_DECLS
  27 #ifdef _LINUX_PTRACE_H
  28 /* Kludge to stop stuff gdb & strace compiles from getting upset
  29  */
  30 #undef PTRACE_TRACEME
  31 #undef PTRACE_PEEKTEXT
  32 #undef PTRACE_PEEKDATA
  33 #undef PTRACE_PEEKUSR
  34 #undef PTRACE_POKETEXT
  35 #undef PTRACE_POKEDATA
  36 #undef PTRACE_POKEUSR
  37 #undef PTRACE_CONT
  38 #undef PTRACE_KILL
  39 #undef PTRACE_SINGLESTEP
  40
  41 #undef PTRACE_ATTACH
  42 #undef PTRACE_DETACH
  43
  44 #undef PTRACE_SYSCALL
  45 #endif
  46 /* Type of the REQUEST argument to `ptrace.'  */
  47 enum __ptrace_request
  48 {
  49   /* Indicate that the process making this request should be traced.
  50      All signals received by this process can be intercepted by its
  51      parent, and its parent can use the other `ptrace' requests.  */
  52   PTRACE_TRACEME = 0,
  53 #define PT_TRACE_ME PTRACE_TRACEME
  54
  55   /* Return the word in the process's text space at address ADDR.  */
  56   PTRACE_PEEKTEXT = 1,
  57 #define PT_READ_I PTRACE_PEEKTEXT
  58
  59   /* Return the word in the process's data space at address ADDR.  */
  60   PTRACE_PEEKDATA = 2,
  61 #define PT_READ_D PTRACE_PEEKDATA
  62
  63   /* Return the word in the process's user area at offset ADDR.  */
  64   PTRACE_PEEKUSER = 3,
  65 #define PT_READ_U PTRACE_PEEKUSER
  66
  67   /* Write the word DATA into the process's text space at address ADDR.  */
  68   PTRACE_POKETEXT = 4,
  69 #define PT_WRITE_I PTRACE_POKETEXT
  70
  71   /* Write the word DATA into the process's data space at address ADDR.  */
  72   PTRACE_POKEDATA = 5,
  73 #define PT_WRITE_D PTRACE_POKEDATA
  74
  75   /* Write the word DATA into the process's user area at offset ADDR.  */
  76   PTRACE_POKEUSER = 6,
  77 #define PT_WRITE_U PTRACE_POKEUSER
  78
  79   /* Continue the process.  */
  80   PTRACE_CONT = 7,
  81 #define PT_CONTINUE PTRACE_CONT
  82
  83   /* Kill the process.  */
  84   PTRACE_KILL = 8,
  85 #define PT_KILL PTRACE_KILL
  86
  87   /* Single step the process.
  88      This is not supported on all machines.  */
  89   PTRACE_SINGLESTEP = 9,
  90 #define PT_STEP PTRACE_SINGLESTEP
  91
  92   /* Get all general purpose registers used by a processes.
  93      This is not supported on all machines.  */
  94    PTRACE_GETREGS = 12,
  95 #define PT_GETREGS PTRACE_GETREGS
  96
  97   /* Set all general purpose registers used by a processes.
  98      This is not supported on all machines.  */
  99    PTRACE_SETREGS = 13,
 100 #define PT_SETREGS PTRACE_SETREGS
 101
 102   /* Get all floating point registers used by a processes.
 103      This is not supported on all machines.  */
 104    PTRACE_GETFPREGS = 14,
 105 #define PT_GETFPREGS PTRACE_GETFPREGS
 106
 107   /* Set all floating point registers used by a processes.
 108      This is not supported on all machines.  */
 109    PTRACE_SETFPREGS = 15,
 110 #define PT_SETFPREGS PTRACE_SETFPREGS
 111
 112   /* Attach to a process that is already running. */
 113   PTRACE_ATTACH = 16,
 114 #define PT_ATTACH PTRACE_ATTACH
 115
 116   /* Detach from a process attached to with PTRACE_ATTACH.  */
 117   PTRACE_DETACH = 17,
 118 #define PT_DETACH PTRACE_DETACH
 119
 120   /* Continue and stop at the next (return from) syscall.  */
 121   PTRACE_SYSCALL = 24,
 122 #define PT_SYSCALL PTRACE_SYSCALL
 123
 124   /* Set ptrace filter options.  */
 125   PTRACE_SETOPTIONS = 0x4200,
 126 #define PT_SETOPTIONS PTRACE_SETOPTIONS
 127
 128   /* Get last ptrace message.  */
 129   PTRACE_GETEVENTMSG = 0x4201,
 130 #define PT_GETEVENTMSG PTRACE_GETEVENTMSG
 131
 132   /* Get siginfo for process.  */
 133   PTRACE_GETSIGINFO = 0x4202,
 134 #define PT_GETSIGINFO PTRACE_GETSIGINFO
 135
 136   /* Set new siginfo for process.  */
 137   PTRACE_SETSIGINFO = 0x4203
 138 #define PT_SETSIGINFO PTRACE_SETSIGINFO
 139 };
 140
 141 /* Options set using PTRACE_SETOPTIONS.  */
 142 enum __ptrace_setoptions {
 143   PTRACE_O_TRACESYSGOOD = 0x00000001,
 144   PTRACE_O_TRACEFORK    = 0x00000002,
 145   PTRACE_O_TRACEVFORK   = 0x00000004,
 146   PTRACE_O_TRACECLONE   = 0x00000008,
 147   PTRACE_O_TRACEEXEC    = 0x00000010,
 148   PTRACE_O_TRACEVFORKDONE = 0x00000020,
 149   PTRACE_O_TRACEEXIT    = 0x00000040,
 150   PTRACE_O_MASK         = 0x0000007f
 151 };
 152
 153 /* Wait extended result codes for the above trace options.  */
 154 enum __ptrace_eventcodes {
 155   PTRACE_EVENT_FORK     = 1,
 156   PTRACE_EVENT_VFORK    = 2,
 157   PTRACE_EVENT_CLONE    = 3,
 158   PTRACE_EVENT_EXEC     = 4,
 159   PTRACE_EVENT_VFORK_DONE = 5,
 160   PTRACE_EVENT_EXIT     = 6
 161 };
 162
 163 /* Perform process tracing functions.  REQUEST is one of the values
 164    above, and determines the action to be taken.
 165    For all requests except PTRACE_TRACEME, PID specifies the process to be
 166    traced.
 167
 168    PID and the other arguments described above for the various requests should
 169    appear (those that are used for the particular request) as:
 170      pid_t PID, void *ADDR, int DATA, void *ADDR2
 171    after REQUEST.  */
 172 extern long int ptrace (enum __ptrace_request __request, ...);
 173
 174 __END_DECLS
 175
 176 #endif /* _SYS_PTRACE_H */