tools/lib/lockdep/uinclude/linux/kernel.h

   1 #ifndef _LIBLOCKDEP_LINUX_KERNEL_H_
   2 #define _LIBLOCKDEP_LINUX_KERNEL_H_
   3
   4 #include <linux/export.h>
   5 #include <linux/types.h>
   6 #include <linux/rcu.h>
   7 #include <linux/hardirq.h>
   8 #include <linux/kern_levels.h>
   9 #include <linux/err.h>
  10
  11 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
  12
  13 #ifndef container_of
  14 #define container_of(ptr, type, member) ({                      \
  15         const typeof(((type *)0)->member) * __mptr = (ptr);     \
  16         (type *)((char *)__mptr - offsetof(type, member)); })
  17 #endif
  18
  19 #define max(x, y) ({                            \
  20         typeof(x) _max1 = (x);                  \
  21         typeof(y) _max2 = (y);                  \
  22         (void) (&_max1 == &_max2);              \
  23         _max1 > _max2 ? _max1 : _max2; })
  24
  25 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
  26
  27 static inline int lockdep_warn(int condition)
  28 {
  29         return condition;
  30 }
  31 #define WARN_ON(x) lockdep_warn(x)
  32 #define WARN_ON_ONCE(x) WARN_ON(x)
  33 #define WARN(x, y...) WARN_ON(x)
  34
  35 #define likely(x) (x)
  36 #define uninitialized_var(x) x
  37 #define __init
  38 #define noinline
  39 #define list_add_tail_rcu list_add_tail
  40 #define list_for_each_entry_rcu list_for_each_entry
  41 #define barrier()
  42 #define synchronize_sched()
  43
  44 #ifndef CALLER_ADDR0
  45 #define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
  46 #endif
  47
  48 #ifndef _RET_IP_
  49 #define _RET_IP_ CALLER_ADDR0
  50 #endif
  51
  52 #ifndef _THIS_IP_
  53 #define _THIS_IP_ ({ __label__ __here; __here: (unsigned long)&&__here; })
  54 #endif
  55
  56 #define pr_err(format, ...) fprintf (stderr, format, ## __VA_ARGS__)
  57 #define pr_warn pr_err
  58
  59 #define current_gfp_context(k) 0
  60
  61 #endif