include/trace/events/syscalls.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM raw_syscalls
   4 #undef TRACE_INCLUDE_FILE
   5 #define TRACE_INCLUDE_FILE syscalls
   6
   7 #if !defined(_TRACE_EVENTS_SYSCALLS_H) || defined(TRACE_HEADER_MULTI_READ)
   8 #define _TRACE_EVENTS_SYSCALLS_H
   9
  10 #include <linux/tracepoint.h>
  11
  12 #include <asm/ptrace.h>
  13 #include <asm/syscall.h>
  14
  15
  16 #ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
  17
  18 TRACE_EVENT_FN(sys_enter,
  19
  20         TP_PROTO(struct pt_regs *regs, long id),
  21
  22         TP_ARGS(regs, id),
  23
  24         TP_STRUCT__entry(
  25                 __field(        long,           id              )
  26                 __array(        unsigned long,  args,   6       )
  27         ),
  28
  29         TP_fast_assign(
  30                 __entry->id     = id;
  31                 syscall_get_arguments(current, regs, 0, 6, __entry->args);
  32         ),
  33
  34         TP_printk("NR %ld (%lx, %lx, %lx, %lx, %lx, %lx)",
  35                   __entry->id,
  36                   __entry->args[0], __entry->args[1], __entry->args[2],
  37                   __entry->args[3], __entry->args[4], __entry->args[5]),
  38
  39         syscall_regfunc, syscall_unregfunc
  40 );
  41
  42 TRACE_EVENT_FLAGS(sys_enter, TRACE_EVENT_FL_CAP_ANY)
  43
  44 TRACE_EVENT_FN(sys_exit,
  45
  46         TP_PROTO(struct pt_regs *regs, long ret),
  47
  48         TP_ARGS(regs, ret),
  49
  50         TP_STRUCT__entry(
  51                 __field(        long,   id      )
  52                 __field(        long,   ret     )
  53         ),
  54
  55         TP_fast_assign(
  56                 __entry->id     = syscall_get_nr(current, regs);
  57                 __entry->ret    = ret;
  58         ),
  59
  60         TP_printk("NR %ld = %ld",
  61                   __entry->id, __entry->ret),
  62
  63         syscall_regfunc, syscall_unregfunc
  64 );
  65
  66 TRACE_EVENT_FLAGS(sys_exit, TRACE_EVENT_FL_CAP_ANY)
  67
  68 #endif /* CONFIG_HAVE_SYSCALL_TRACEPOINTS */
  69
  70 #endif /* _TRACE_EVENTS_SYSCALLS_H */
  71
  72 /* This part must be outside protection */
  73 #include <trace/define_trace.h>
  74