blob: 7d40634da55ee6380d8c6527ec6e4c31b73d5a68 [file] [log] [blame]
/* `ptrace' debugger support interface. Linux version,
not architecture-specific.
Copyright (C) 1996-2021 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;
};
};
/* 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;