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.' */
28enum __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. */
158enum __ptrace_flags
159{
160 PTRACE_SEIZE_DEVEL = 0x80000000
161};
162
163/* Options set using PTRACE_SETOPTIONS. */
164enum __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. */
179enum __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. */
191struct __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
198enum __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. */
213extern long int ptrace (enum __ptrace_request __request, ...) __THROW;
214
215__END_DECLS
216
217#endif /* _SYS_PTRACE_H */
218