stages/init.h

   1
   2 #define __app__(x, y) str__##x##y
   3 #define __app(x, y) __app__(x, y)
   4
   5 #define TRACE_SYSTEM_STRING __app(TRACE_SYSTEM_VAR,__trace_system_name)
   6
   7 #define TRACE_MAKE_SYSTEM_STR()                         \
   8         static const char TRACE_SYSTEM_STRING[] =       \
   9                 __stringify(TRACE_SYSTEM)
  10
  11 TRACE_MAKE_SYSTEM_STR();
  12
  13 #undef TRACE_DEFINE_ENUM
  14 #define TRACE_DEFINE_ENUM(a)                            \
  15         static struct trace_eval_map __used __initdata  \
  16         __##TRACE_SYSTEM##_##a =                        \
  17         {                                               \
  18                 .system = TRACE_SYSTEM_STRING,          \
  19                 .eval_string = #a,                      \
  20                 .eval_value = a                         \
  21         };                                              \
  22         static struct trace_eval_map __used             \
  23         __section("_ftrace_eval_map")                   \
  24         *TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a
  25
  26 #undef TRACE_DEFINE_SIZEOF
  27 #define TRACE_DEFINE_SIZEOF(a)                          \
  28         static struct trace_eval_map __used __initdata  \
  29         __##TRACE_SYSTEM##_##a =                        \
  30         {                                               \
  31                 .system = TRACE_SYSTEM_STRING,          \
  32                 .eval_string = "sizeof(" #a ")",        \
  33                 .eval_value = sizeof(a)                 \
  34         };                                              \
  35         static struct trace_eval_map __used             \
  36         __section("_ftrace_eval_map")                   \
  37         *TRACE_SYSTEM##_##a = &__##TRACE_SYSTEM##_##a