projects / lttng-modules.git / blame
| Commit | Line | Data |
|---|---|---|
| e42c4f49 FD |
1 | /* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) |
| 2 | * | |
| 3 | * lttng-syscalls.h | |
| 4 | * | |
| 5 | * LTTng syscall header. | |
| 6 | * | |
| 7 | * Copyright (C) 2021 Francis Deslauriers <francis.deslauriers@efficios.com> | |
| 8 | */ | |
| 9 | ||
| ebcc64cd FD |
10 | #ifndef LTTNG_SYSCALLS_H |
| 11 | #define LTTNG_SYSCALLS_H | |
| 12 | ||
| 13 | #include <stddef.h> | |
| 14 | ||
| e42c4f49 FD |
15 | #include <asm/ptrace.h> |
| 16 | ||
| ebcc64cd | 17 | #include <lttng/events.h> |
| e42c4f49 FD |
18 | #include <lttng/kernel-version.h> |
| 19 | ||
| 20 | ||
| 21 | /* | |
| 22 | * Forward declarations for old kernels. | |
| 23 | */ | |
| 24 | struct mmsghdr; | |
| 25 | struct rlimit64; | |
| 26 | struct oldold_utsname; | |
| 27 | struct old_utsname; | |
| 28 | struct sel_arg_struct; | |
| 29 | struct mmap_arg_struct; | |
| 30 | struct file_handle; | |
| 31 | struct user_msghdr; | |
| 32 | ||
| 33 | /* | |
| 34 | * Forward declaration for kernels >= 5.6 | |
| 35 | */ | |
| 36 | struct timex; | |
| 37 | struct timeval; | |
| 38 | struct itimerval; | |
| 39 | struct itimerspec; | |
| 40 | ||
| 41 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) | |
| 42 | typedef __kernel_old_time_t time_t; | |
| 43 | #endif | |
| 44 | ||
| ebcc64cd FD |
45 | struct trace_syscall_entry { |
| 46 | void *event_func; | |
| 47 | const struct lttng_kernel_event_desc *desc; | |
| 48 | const struct lttng_kernel_event_field **fields; | |
| 49 | unsigned int nrargs; | |
| 50 | }; | |
| 51 | ||
| 52 | struct trace_syscall_table { | |
| 53 | const struct trace_syscall_entry *table; | |
| 54 | const size_t len; | |
| 55 | }; | |
| e42c4f49 FD |
56 | |
| 57 | extern | |
| 58 | void syscall_entry_event_probe(void *__data, struct pt_regs *regs, long id); | |
| 59 | ||
| 60 | extern | |
| 61 | void syscall_exit_event_probe(void *__data, struct pt_regs *regs, long ret); | |
| 62 | ||
| 63 | extern | |
| 64 | void syscall_entry_event_notifier_probe(void *__data, struct pt_regs *regs, | |
| 65 | long id); | |
| 66 | extern | |
| 67 | void syscall_exit_event_notifier_probe(void *__data, struct pt_regs *regs, | |
| 68 | long ret); | |
| 69 | ||
| ebcc64cd | 70 | #endif /* LTTNG_SYSCALLS_H */ |