2009-04-08 14:40:59 -04:00
|
|
|
#ifndef _TRACE_SYSCALL_H
|
|
|
|
#define _TRACE_SYSCALL_H
|
|
|
|
|
2009-08-10 16:52:31 -04:00
|
|
|
#include <linux/tracepoint.h>
|
2009-08-10 16:52:47 -04:00
|
|
|
#include <linux/unistd.h>
|
|
|
|
#include <linux/ftrace_event.h>
|
2009-08-10 16:52:31 -04:00
|
|
|
|
2009-04-08 14:40:59 -04:00
|
|
|
#include <asm/ptrace.h>
|
|
|
|
|
2009-08-10 16:52:31 -04:00
|
|
|
|
2009-04-08 14:40:59 -04:00
|
|
|
/*
|
|
|
|
* A syscall entry in the ftrace syscalls array.
|
|
|
|
*
|
|
|
|
* @name: name of the syscall
|
2009-12-01 03:23:47 -05:00
|
|
|
* @syscall_nr: number of the syscall
|
2009-04-08 14:40:59 -04:00
|
|
|
* @nb_args: number of parameters it takes
|
|
|
|
* @types: list of types as strings
|
|
|
|
* @args: list of args as strings (args[i] matches types[i])
|
2009-08-19 03:54:51 -04:00
|
|
|
* @enter_event: associated syscall_enter trace event
|
|
|
|
* @exit_event: associated syscall_exit trace event
|
2009-04-08 14:40:59 -04:00
|
|
|
*/
|
|
|
|
struct syscall_metadata {
|
|
|
|
const char *name;
|
2009-12-01 03:23:47 -05:00
|
|
|
int syscall_nr;
|
2009-04-08 14:40:59 -04:00
|
|
|
int nb_args;
|
|
|
|
const char **types;
|
|
|
|
const char **args;
|
2009-08-19 03:54:51 -04:00
|
|
|
|
|
|
|
struct ftrace_event_call *enter_event;
|
|
|
|
struct ftrace_event_call *exit_event;
|
2009-04-08 14:40:59 -04:00
|
|
|
};
|
|
|
|
|
|
|
|
#ifdef CONFIG_FTRACE_SYSCALLS
|
2009-09-19 00:50:42 -04:00
|
|
|
extern unsigned long arch_syscall_addr(int nr);
|
2009-12-01 03:23:55 -05:00
|
|
|
extern int init_syscall_trace(struct ftrace_event_call *call);
|
2009-08-13 16:34:53 -04:00
|
|
|
|
2009-08-19 03:53:05 -04:00
|
|
|
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);
|
2009-08-19 03:54:51 -04:00
|
|
|
extern int syscall_enter_define_fields(struct ftrace_event_call *call);
|
|
|
|
extern int syscall_exit_define_fields(struct ftrace_event_call *call);
|
2009-08-13 16:34:53 -04:00
|
|
|
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);
|
2009-08-10 16:52:53 -04:00
|
|
|
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);
|
2009-08-10 16:53:02 -04:00
|
|
|
#endif
|
|
|
|
#ifdef CONFIG_EVENT_PROFILE
|
2009-12-01 03:24:01 -05:00
|
|
|
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);
|
2009-08-10 16:53:02 -04:00
|
|
|
|
2009-04-08 14:40:59 -04:00
|
|
|
#endif
|
|
|
|
|
|
|
|
#endif /* _TRACE_SYSCALL_H */
|