about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/bits/ptrace-shared.h
blob: 2737937deaf9ee6fa2608e5ae3ef6176278bb0ff (plain) (blame)
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
138
139
140
141
142
/* `ptrace' debugger support interface.  Linux version,
   not architecture-specific.
   Copyright (C) 1996-2023 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 _SYS_PTRACE_H
# error "Never use <bits/ptrace-shared.h> directly; include <sys/ptrace.h> instead."
#endif

/* Options set using PTRACE_SETOPTIONS.  */
enum __ptrace_setoptions
{
  PTRACE_O_TRACESYSGOOD	= 0x00000001,
  PTRACE_O_TRACEFORK	= 0x00000002,
  PTRACE_O_TRACEVFORK	= 0x00000004,
  PTRACE_O_TRACECLONE	= 0x00000008,
  PTRACE_O_TRACEEXEC	= 0x00000010,
  PTRACE_O_TRACEVFORKDONE = 0x00000020,
  PTRACE_O_TRACEEXIT	= 0x00000040,
  PTRACE_O_TRACESECCOMP	= 0x00000080,
  PTRACE_O_EXITKILL	= 0x00100000,
  PTRACE_O_SUSPEND_SECCOMP = 0x00200000,
  PTRACE_O_MASK		= 0x003000ff
};

enum __ptrace_eventcodes
{
/* Wait extended result codes for the above trace options.  */
  PTRACE_EVENT_FORK	= 1,
  PTRACE_EVENT_VFORK	= 2,
  PTRACE_EVENT_CLONE	= 3,
  PTRACE_EVENT_EXEC	= 4,
  PTRACE_EVENT_VFORK_DONE = 5,
  PTRACE_EVENT_EXIT	= 6,
  PTRACE_EVENT_SECCOMP  = 7,
/* Extended result codes enabled by means other than options.  */
  PTRACE_EVENT_STOP	= 128
};

/* Type of stop for PTRACE_GET_SYSCALL_INFO.  */
enum __ptrace_get_syscall_info_op
{
  PTRACE_SYSCALL_INFO_NONE = 0,
  PTRACE_SYSCALL_INFO_ENTRY = 1,
  PTRACE_SYSCALL_INFO_EXIT = 2,
  PTRACE_SYSCALL_INFO_SECCOMP = 3
};

/* Arguments for PTRACE_PEEKSIGINFO.  */
struct __ptrace_peeksiginfo_args
{
  __uint64_t off;	/* From which siginfo to start.  */
  __uint32_t flags;	/* Flags for peeksiginfo.  */
  __int32_t nr;		/* How many siginfos to take.  */
};

enum __ptrace_peeksiginfo_flags
{
  /* Read signals from a shared (process wide) queue.  */
  PTRACE_PEEKSIGINFO_SHARED = (1 << 0)
};

/* Argument and results of PTRACE_SECCOMP_GET_METADATA.  */
struct __ptrace_seccomp_metadata
{
  __uint64_t filter_off;	/* Input: which filter.  */
  __uint64_t flags;		/* Output: filter's flags.  */
};

/* Results of PTRACE_GET_SYSCALL_INFO.  */
struct __ptrace_syscall_info
{
  __uint8_t op;			/* One of the enum
				   __ptrace_get_syscall_info_op
				   values.  */
  __uint32_t arch __attribute__ ((__aligned__ (4))); /* AUDIT_ARCH_*
							value.  */
  __uint64_t instruction_pointer; /* Instruction pointer.  */
  __uint64_t stack_pointer;	/* Stack pointer.  */
  union
  {
    /* System call number and arguments, for
       PTRACE_SYSCALL_INFO_ENTRY.  */
    struct
    {
      __uint64_t nr;
      __uint64_t args[6];
    } entry;
    /* System call return value and error flag, for
       PTRACE_SYSCALL_INFO_EXIT.  */
    struct
    {
      __int64_t rval;
      __uint8_t is_error;
    } exit;
    /* System call number, arguments and SECCOMP_RET_DATA portion of
       SECCOMP_RET_TRACE return value, for
       PTRACE_SYSCALL_INFO_SECCOMP.  */
    struct
    {
      __uint64_t nr;
      __uint64_t args[6];
      __uint32_t ret_data;
    } seccomp;
  };
};

/* Results of PTRACE_GET_RSEQ_CONFIGURATION.  */
struct __ptrace_rseq_configuration
{
  __uint64_t rseq_abi_pointer;
  __uint32_t rseq_abi_size;
  __uint32_t signature;
  __uint32_t flags;
  __uint32_t pad;
};

/* 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 long int ptrace (enum __ptrace_request __request, ...) __THROW;