summaryrefslogtreecommitdiff
path: root/sysdeps/generic/sys/ptrace.h
blob: b7d9add9000fc91d91c3661c2045825770a45a32 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/* `ptrace' debugger support interface.  Generic version; constants are common.
   Copyright (C) 1991-2020 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef	_PTRACE_H

#define	_PTRACE_H	1
#include <features.h>

__BEGIN_DECLS


/* Type of the REQUEST argument to `ptrace.'  */
enum __ptrace_request
{
  /* Indicate that the process making this request should be traced.
     All signals received by this process can be intercepted by its
     parent, and its parent can use the other `ptrace' requests.  */
  PTRACE_TRACEME = 0,
#define PT_TRACE_ME PTRACE_TRACEME

  /* Return the word in the process's text space at address ADDR.  */
  PTRACE_PEEKTEXT,
#define PT_READ_I PTRACE_PEEKTEXT

  /* Return the word in the process's data space at address ADDR.  */
  PTRACE_PEEKDATA,
#define PT_READ_D PTRACE_PEEKDATA

  /* Return the word in the process's user area at offset ADDR.  */
  PTRACE_PEEKUSER,
#define PT_READ_U PTRACE_PEEKUSER

  /* Write the word DATA into the process's text space at address ADDR.  */
  PTRACE_POKETEXT,
#define PT_WRITE_I PTRACE_POKETEXT

  /* Write the word DATA into the process's data space at address ADDR.  */
  PTRACE_POKEDATA,
#define PT_WRITE_D PTRACE_POKEDATA

  /* Write the word DATA into the process's user space at offset ADDR.  */
  PTRACE_POKEUSER,
#define PT_WRITE_U PTRACE_POKEUSER

  /* Continue the process.  */
  PTRACE_CONT,
#define PT_CONTINUE PTRACE_CONT

  /* Kill the process.  */
  PTRACE_KILL,
#define PT_KILL PTRACE_KILL

  /* Single step the process.
     This is not supported on all machines.  */
  PTRACE_SINGLESTEP,
#define PT_STEP PTRACE_SINGLESTEP

  /* Attach to a process that is already running. */
  PTRACE_ATTACH,
#define PT_ATTACH PTRACE_ATTACH

  /* Detach from a process attached to with PTRACE_ATTACH.  */
  PTRACE_DETACH,
#define PT_DETACH PTRACE_DETACH

  /* Get the process's registers (not including floating-point registers)
     and put them in the `struct regs' (see <machine/regs.h>) at ADDR.  */
  PTRACE_GETREGS = 12,

  /* Set the process's registers (not including floating-point registers)
     to the contents of the `struct regs' (see <machine/regs.h>) at ADDR.  */
  PTRACE_SETREGS,

  /* Get the process's floating point registers and put them
     in the `struct fp_status' (see <machine/regs.h>) at ADDR.  */
  PTRACE_GETFPREGS = 14,

  /* Set the process's floating point registers to the contents
     of the `struct fp_status' (see <machine/regs.h>) at ADDR.  */
  PTRACE_SETFPREGS,

  /* Read DATA bytes from the process's data space at address ADDR.
     Put the result starting at address ADDR2 in the caller's
     address space.  */
  PTRACE_READDATA = 16,

  /* Write DATA bytes from ADDR2 in the caller's address space into
     the process's data space at address ADDR.  */
  PTRACE_WRITEDATA,

  /* Read DATA bytes from the process's text space at address ADDR.
     Put the result starting at address ADDR2 in the caller's
     address space.  */
  PTRACE_READTEXT = 18,

  /* Write DATA bytes from ADDR2 in the caller's address space into
     the process's text space at address ADDR.  */
  PTRACE_WRITETEXT,

  /* Read the floating-point accelerator unit registers and
     put them into the `struct fpa_regs' (see <machine/regs.h>) at ADDR.  */
  PTRACE_GETFPAREGS = 20,

  /* Write the floating-point accelerator unit registers from
     the contents of the `struct fpa_regs' at ADDR.  */
  PTRACE_SETFPAREGS
};

/* Perform process tracing functions.  REQUEST is one of the values
   above, and determines the action to be taken.
   For all requests except PTRACE_TRACEME, PID specifies the process to be
   traced.

   PID and the other arguments described above for the various requests should
   appear (those that are used for the particular request) as:
     pid_t PID, void *ADDR, int DATA, void *ADDR2
   after REQUEST.  */
extern int ptrace (enum __ptrace_request __request, ...);

__END_DECLS

#endif /* ptrace.h */