diff options
Diffstat (limited to 'include/trace/syscall.h')
| -rw-r--r-- | include/trace/syscall.h | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/include/trace/syscall.h b/include/trace/syscall.h index fed853f3d7aa..0dd7f2b33431 100644 --- a/include/trace/syscall.h +++ b/include/trace/syscall.h @@ -1,9 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _TRACE_SYSCALL_H #define _TRACE_SYSCALL_H #include <linux/tracepoint.h> #include <linux/unistd.h> -#include <linux/ftrace_event.h> +#include <linux/trace_events.h> +#include <linux/thread_info.h> #include <asm/ptrace.h> @@ -14,6 +16,9 @@ * @name: name of the syscall * @syscall_nr: number of the syscall * @nb_args: number of parameters it takes + * @user_arg_is_str: set if the arg for @user_arg_size is a string + * @user_arg_size: holds @arg that has size of the user space to read + * @user_mask: mask of @args that will read user space * @types: list of types as strings * @args: list of args as strings (args[i] matches types[i]) * @enter_fields: list of fields for syscall_enter trace event @@ -23,13 +28,30 @@ struct syscall_metadata { const char *name; int syscall_nr; - int nb_args; + u8 nb_args:7; + u8 user_arg_is_str:1; + s8 user_arg_size; + short user_mask; const char **types; const char **args; struct list_head enter_fields; - struct ftrace_event_call *enter_event; - struct ftrace_event_call *exit_event; + struct trace_event_call *enter_event; + struct trace_event_call *exit_event; }; +#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS) +static inline void syscall_tracepoint_update(struct task_struct *p) +{ + if (test_syscall_work(SYSCALL_TRACEPOINT)) + set_task_syscall_work(p, SYSCALL_TRACEPOINT); + else + clear_task_syscall_work(p, SYSCALL_TRACEPOINT); +} +#else +static inline void syscall_tracepoint_update(struct task_struct *p) +{ +} +#endif + #endif /* _TRACE_SYSCALL_H */ |