#include <asm/ptrace.h>
-extern void syscall_regfunc(void);
-extern void syscall_unregfunc(void);
-
-DECLARE_TRACE_WITH_CALLBACK(syscall_enter,
- TP_PROTO(struct pt_regs *regs, long id),
- TP_ARGS(regs, id),
- syscall_regfunc,
- syscall_unregfunc
-);
-
-DECLARE_TRACE_WITH_CALLBACK(syscall_exit,
- TP_PROTO(struct pt_regs *regs, long ret),
- TP_ARGS(regs, ret),
- syscall_regfunc,
- syscall_unregfunc
-);
-
/*
* A syscall entry in the ftrace syscalls array.
*
* @name: name of the syscall
+ * @syscall_nr: number of the syscall
* @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_id: associated ftrace enter event id
- * @exit_id: associated ftrace exit event id
+ * @enter_event: associated syscall_enter trace event
+ * @exit_event: associated syscall_exit trace event
*/
struct syscall_metadata {
const char *name;
+ int syscall_nr;
int nb_args;
const char **types;
const char **args;
- int enter_id;
- int exit_id;
+ struct list_head enter_fields;
+ struct list_head exit_fields;
+
+ struct ftrace_event_call *enter_event;
+ struct ftrace_event_call *exit_event;
};
#ifdef CONFIG_FTRACE_SYSCALLS
-extern struct syscall_metadata *syscall_nr_to_meta(int nr);
-extern int syscall_name_to_nr(char *name);
-void set_syscall_enter_id(int num, int id);
-void set_syscall_exit_id(int num, int id);
-extern struct trace_event event_syscall_enter;
-extern struct trace_event event_syscall_exit;
-extern int reg_event_syscall_enter(void *ptr);
-extern void unreg_event_syscall_enter(void *ptr);
-extern int reg_event_syscall_exit(void *ptr);
-extern void unreg_event_syscall_exit(void *ptr);
-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);
-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);
+extern unsigned long arch_syscall_addr(int nr);
+extern int init_syscall_trace(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,
+ struct trace_event *event);
+enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags,
+ struct trace_event *event);
#endif
-#ifdef CONFIG_EVENT_PROFILE
-int reg_prof_syscall_enter(char *name);
-void unreg_prof_syscall_enter(char *name);
-int reg_prof_syscall_exit(char *name);
-void unreg_prof_syscall_exit(char *name);
+#ifdef CONFIG_PERF_EVENTS
+int perf_sysenter_enable(struct ftrace_event_call *call);
+void perf_sysenter_disable(struct ftrace_event_call *call);
+int perf_sysexit_enable(struct ftrace_event_call *call);
+void perf_sysexit_disable(struct ftrace_event_call *call);
#endif
#endif /* _TRACE_SYSCALL_H */