syscalls.h

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#undef TRACE_SYSTEM
#define TRACE_SYSTEM raw_syscalls
#define TRACE_INCLUDE_FILE syscalls

#if !defined(_TRACE_EVENTS_SYSCALLS_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_EVENTS_SYSCALLS_H

#include <linux/tracepoint.h>

#include <asm/ptrace.h>
#include <asm/syscall.h>


#ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS

extern void syscall_regfunc(void);
extern void syscall_unregfunc(void);

TRACE_EVENT_FN(sys_enter,

    TP_PROTO(struct pt_regs *regs, long id),

    TP_ARGS(regs, id),

    TP_STRUCT__entry(
        __field(    long,       id      )
        __array(    unsigned long,  args,   6   )
    ),

    TP_fast_assign(
        __entry->id = id;
        syscall_get_arguments(current, regs, 0, 6, __entry->args);
    ),

    TP_printk("NR %ld (%lx, %lx, %lx, %lx, %lx, %lx)",
          __entry->id,
          __entry->args[0], __entry->args[1], __entry->args[2],
          __entry->args[3], __entry->args[4], __entry->args[5]),

    syscall_regfunc, syscall_unregfunc
);

TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)

TRACE_EVENT_FN(sys_exit,

    TP_PROTO(struct pt_regs *regs, long ret),

    TP_ARGS(regs, ret),

    TP_STRUCT__entry(
        __field(    long,   id  )
        __field(    long,   ret )
    ),

    TP_fast_assign(
        __entry->id = syscall_get_nr(current, regs);
        __entry->ret    = ret;
    ),

    TP_printk("NR %ld = %ld",
          __entry->id, __entry->ret),

    syscall_regfunc, syscall_unregfunc
);

TRACE_EVENT_FLAGS(sys_exit, TRACE_EVENT_FL_CAP_ANY)

#endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */

#endif /* _TRACE_EVENTS_SYSCALLS_H */

/* This part must be outside protection */
#include <trace/define_trace.h>