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 | 15 | #include <asm/ptrace.h> |
| 87ad3fdc FD |
16 | #include <linux/compat.h> |
| 17 | #include <linux/fcntl.h> | |
| 18 | #include <linux/in.h> | |
| 19 | #include <linux/in6.h> | |
| 20 | #include <linux/mman.h> | |
| e42c4f49 | 21 | |
| ebcc64cd | 22 | #include <lttng/events.h> |
| e42c4f49 FD |
23 | #include <lttng/kernel-version.h> |
| 24 | ||
| 25 | ||
| 26 | /* | |
| 27 | * Forward declarations for old kernels. | |
| 28 | */ | |
| 29 | struct mmsghdr; | |
| 30 | struct rlimit64; | |
| 31 | struct oldold_utsname; | |
| 32 | struct old_utsname; | |
| 33 | struct sel_arg_struct; | |
| 34 | struct mmap_arg_struct; | |
| 35 | struct file_handle; | |
| 36 | struct user_msghdr; | |
| 37 | ||
| 38 | /* | |
| 39 | * Forward declaration for kernels >= 5.6 | |
| 40 | */ | |
| 41 | struct timex; | |
| 42 | struct timeval; | |
| 43 | struct itimerval; | |
| 44 | struct itimerspec; | |
| 45 | ||
| 46 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) | |
| 47 | typedef __kernel_old_time_t time_t; | |
| 48 | #endif | |
| 49 | ||
| ebcc64cd FD |
50 | struct trace_syscall_entry { |
| 51 | void *event_func; | |
| 52 | const struct lttng_kernel_event_desc *desc; | |
| 4f1d1ee5 | 53 | const struct lttng_kernel_event_field * const *fields; |
| ebcc64cd FD |
54 | unsigned int nrargs; |
| 55 | }; | |
| 56 | ||
| 57 | struct trace_syscall_table { | |
| 58 | const struct trace_syscall_entry *table; | |
| 59 | const size_t len; | |
| 60 | }; | |
| e42c4f49 FD |
61 | |
| 62 | extern | |
| 63 | void syscall_entry_event_probe(void *__data, struct pt_regs *regs, long id); | |
| 64 | ||
| 65 | extern | |
| 66 | void syscall_exit_event_probe(void *__data, struct pt_regs *regs, long ret); | |
| 67 | ||
| 68 | extern | |
| 69 | void syscall_entry_event_notifier_probe(void *__data, struct pt_regs *regs, | |
| 70 | long id); | |
| 71 | extern | |
| 72 | void syscall_exit_event_notifier_probe(void *__data, struct pt_regs *regs, | |
| 73 | long ret); | |
| 74 | ||
| ebcc64cd | 75 | #endif /* LTTNG_SYSCALLS_H */ |