Split syscall tracepoint generation in their own files

[lttng-modules.git] / src / lttng-syscalls.h

diff --git a/src/lttng-syscalls.h b/src/lttng-syscalls.h
index 9a9d9173312fd9143872b6a882a62b82b5efff86..d221dfb7c7d2a4424d3086c548a4a928dc297bb8 100644 (file)
--- a/src/lttng-syscalls.h
+++ b/src/lttng-syscalls.h
@@ -1,9 +1,47 @@
+/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
+ *
+ * lttng-syscalls.h
+ *
+ * LTTng syscall header.
+ *
+ * Copyright (C) 2021 Francis Deslauriers <francis.deslauriers@efficios.com>
+ */
+
 #ifndef LTTNG_SYSCALLS_H
 #define LTTNG_SYSCALLS_H
 
 #include <stddef.h>
 
+#include <asm/ptrace.h>
+
 #include <lttng/events.h>
+#include <lttng/kernel-version.h>
+
+
+/*
+ * Forward declarations for old kernels.
+ */
+struct mmsghdr;
+struct rlimit64;
+struct oldold_utsname;
+struct old_utsname;
+struct sel_arg_struct;
+struct mmap_arg_struct;
+struct file_handle;
+struct user_msghdr;
+
+/*
+ * Forward declaration for kernels >= 5.6
+ */
+struct timex;
+struct timeval;
+struct itimerval;
+struct itimerspec;
+
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0))
+typedef __kernel_old_time_t time_t;
+#endif
+
 struct trace_syscall_entry {
        void *event_func;
        const struct lttng_kernel_event_desc *desc;
@@ -15,4 +53,18 @@ struct trace_syscall_table {
        const struct trace_syscall_entry *table;
        const size_t len;
 };
+
+extern
+void syscall_entry_event_probe(void *__data, struct pt_regs *regs, long id);
+
+extern
+void syscall_exit_event_probe(void *__data, struct pt_regs *regs, long ret);
+
+extern
+void syscall_entry_event_notifier_probe(void *__data, struct pt_regs *regs,
+               long id);
+extern
+void syscall_exit_event_notifier_probe(void *__data, struct pt_regs *regs,
+               long ret);
+
 #endif /* LTTNG_SYSCALLS_H */