diff options
Diffstat (limited to 'include/trace/syscall.h')
| -rw-r--r-- | include/trace/syscall.h | 40 |
1 files changed, 15 insertions, 25 deletions
diff --git a/include/trace/syscall.h b/include/trace/syscall.h index 961fda3556b..9674145e2f6 100644 --- a/include/trace/syscall.h +++ b/include/trace/syscall.h @@ -4,6 +4,7 @@ #include <linux/tracepoint.h> #include <linux/unistd.h> #include <linux/ftrace_event.h> +#include <linux/thread_info.h> #include <asm/ptrace.h> @@ -16,6 +17,7 @@ * @nb_args: number of parameters it takes * @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 * @enter_event: associated syscall_enter trace event * @exit_event: associated syscall_exit trace event */ @@ -25,36 +27,24 @@ struct syscall_metadata { int nb_args; const char **types; const char **args; + struct list_head enter_fields; struct ftrace_event_call *enter_event; struct ftrace_event_call *exit_event; }; -#ifdef CONFIG_FTRACE_SYSCALLS -extern unsigned long arch_syscall_addr(int nr); -extern int init_syscall_trace(struct ftrace_event_call *call); - -extern int syscall_enter_format(struct ftrace_event_call *call, - struct trace_seq *s); -extern int syscall_exit_format(struct ftrace_event_call *call, - struct trace_seq *s); -extern int syscall_enter_define_fields(struct ftrace_event_call *call); -extern int syscall_exit_define_fields(struct ftrace_event_call *call); -extern int reg_event_syscall_enter(struct ftrace_event_call *call); -extern void unreg_event_syscall_enter(struct ftrace_event_call *call); -extern int reg_event_syscall_exit(struct ftrace_event_call *call); -extern void unreg_event_syscall_exit(struct ftrace_event_call *call); -extern int -ftrace_format_syscall(struct ftrace_event_call *call, struct trace_seq *s); -enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags); -enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags); -#endif -#ifdef CONFIG_EVENT_PROFILE -int prof_sysenter_enable(struct ftrace_event_call *call); -void prof_sysenter_disable(struct ftrace_event_call *call); -int prof_sysexit_enable(struct ftrace_event_call *call); -void prof_sysexit_disable(struct ftrace_event_call *call); - +#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS) +static inline void syscall_tracepoint_update(struct task_struct *p) +{ + if (test_thread_flag(TIF_SYSCALL_TRACEPOINT)) + set_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT); + else + clear_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT); +} +#else +static inline void syscall_tracepoint_update(struct task_struct *p) +{ +} #endif #endif /* _TRACE_SYSCALL_H */ |