allow bug table entries to use relative pointers (and use it on x86-64)
[linux-2.6/mini2440.git] / include / asm-generic / bug.h
blob4c794d73fb8484e47fb0708beb7a470724707046
1 #ifndef _ASM_GENERIC_BUG_H
2 #define _ASM_GENERIC_BUG_H
4 #include <linux/compiler.h>
6 #ifdef CONFIG_BUG
8 #ifdef CONFIG_GENERIC_BUG
9 #ifndef __ASSEMBLY__
10 struct bug_entry {
11 #ifndef CONFIG_GENERIC_BUG_RELATIVE_POINTERS
12 unsigned long bug_addr;
13 #else
14 signed int bug_addr_disp;
15 #endif
16 #ifdef CONFIG_DEBUG_BUGVERBOSE
17 #ifndef CONFIG_GENERIC_BUG_RELATIVE_POINTERS
18 const char *file;
19 #else
20 signed int file_disp;
21 #endif
22 unsigned short line;
23 #endif
24 unsigned short flags;
26 #endif /* __ASSEMBLY__ */
28 #define BUGFLAG_WARNING (1<<0)
29 #endif /* CONFIG_GENERIC_BUG */
31 #ifndef HAVE_ARCH_BUG
32 #define BUG() do { \
33 printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __func__); \
34 panic("BUG!"); \
35 } while (0)
36 #endif
38 #ifndef HAVE_ARCH_BUG_ON
39 #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0)
40 #endif
42 #ifndef __WARN
43 #ifndef __ASSEMBLY__
44 extern void warn_on_slowpath(const char *file, const int line);
45 extern void warn_slowpath(const char *file, const int line,
46 const char *fmt, ...) __attribute__((format(printf, 3, 4)));
47 #define WANT_WARN_ON_SLOWPATH
48 #endif
49 #define __WARN() warn_on_slowpath(__FILE__, __LINE__)
50 #define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg)
51 #else
52 #define __WARN_printf(arg...) do { printk(arg); __WARN(); } while (0)
53 #endif
55 #ifndef WARN_ON
56 #define WARN_ON(condition) ({ \
57 int __ret_warn_on = !!(condition); \
58 if (unlikely(__ret_warn_on)) \
59 __WARN(); \
60 unlikely(__ret_warn_on); \
62 #endif
64 #ifndef WARN
65 #define WARN(condition, format...) ({ \
66 int __ret_warn_on = !!(condition); \
67 if (unlikely(__ret_warn_on)) \
68 __WARN_printf(format); \
69 unlikely(__ret_warn_on); \
71 #endif
73 #else /* !CONFIG_BUG */
74 #ifndef HAVE_ARCH_BUG
75 #define BUG()
76 #endif
78 #ifndef HAVE_ARCH_BUG_ON
79 #define BUG_ON(condition) do { if (condition) ; } while(0)
80 #endif
82 #ifndef HAVE_ARCH_WARN_ON
83 #define WARN_ON(condition) ({ \
84 int __ret_warn_on = !!(condition); \
85 unlikely(__ret_warn_on); \
87 #endif
89 #ifndef WARN
90 #define WARN(condition, format...) ({ \
91 int __ret_warn_on = !!(condition); \
92 unlikely(__ret_warn_on); \
94 #endif
96 #endif
98 #define WARN_ON_ONCE(condition) ({ \
99 static int __warned; \
100 int __ret_warn_once = !!(condition); \
102 if (unlikely(__ret_warn_once)) \
103 if (WARN_ON(!__warned)) \
104 __warned = 1; \
105 unlikely(__ret_warn_once); \
108 #define WARN_ONCE(condition, format...) ({ \
109 static int __warned; \
110 int __ret_warn_once = !!(condition); \
112 if (unlikely(__ret_warn_once)) \
113 if (WARN(!__warned, format)) \
114 __warned = 1; \
115 unlikely(__ret_warn_once); \
118 #define WARN_ON_RATELIMIT(condition, state) \
119 WARN_ON((condition) && __ratelimit(state))
121 #ifdef CONFIG_SMP
122 # define WARN_ON_SMP(x) WARN_ON(x)
123 #else
124 # define WARN_ON_SMP(x) do { } while (0)
125 #endif
127 #endif