projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | #ifndef _ASM_GENERIC_BUG_H |
| 2 | #define _ASM_GENERIC_BUG_H | |
| 3 | ||
| 4 | #include <linux/compiler.h> | |
| 1da177e4 | 5 | |
| c8538a7a | 6 | #ifdef CONFIG_BUG |
| 7664c5a1 JF |
7 | |
| 8 | #ifdef CONFIG_GENERIC_BUG | |
| 9 | #ifndef __ASSEMBLY__ | |
| 10 | struct bug_entry { | |
| 11 | unsigned long bug_addr; | |
| 12 | #ifdef CONFIG_DEBUG_BUGVERBOSE | |
| 13 | const char *file; | |
| 14 | unsigned short line; | |
| 15 | #endif | |
| 16 | unsigned short flags; | |
| 17 | }; | |
| 18 | #endif /* __ASSEMBLY__ */ | |
| 19 | ||
| 20 | #define BUGFLAG_WARNING (1<<0) | |
| 21 | #endif /* CONFIG_GENERIC_BUG */ | |
| 22 | ||
| 1da177e4 LT |
23 | #ifndef HAVE_ARCH_BUG |
| 24 | #define BUG() do { \ | |
| 91368d73 | 25 | printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ |
| 1da177e4 LT |
26 | panic("BUG!"); \ |
| 27 | } while (0) | |
| 28 | #endif | |
| 29 | ||
| 1da177e4 | 30 | #ifndef HAVE_ARCH_BUG_ON |
| 2a41de48 | 31 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0) |
| 1da177e4 LT |
32 | #endif |
| 33 | ||
| 3a6a62f9 | 34 | #ifndef __WARN |
| 79b4cc5e AV |
35 | #ifndef __ASSEMBLY__ |
| 36 | extern void warn_on_slowpath(const char *file, const int line); | |
| a8f18b90 AV |
37 | extern void warn_slowpath(const char *file, const int line, |
| 38 | const char *fmt, ...) __attribute__((format(printf, 3, 4))); | |
| 79b4cc5e AV |
39 | #define WANT_WARN_ON_SLOWPATH |
| 40 | #endif | |
| 41 | #define __WARN() warn_on_slowpath(__FILE__, __LINE__) | |
| a8f18b90 AV |
42 | #define __WARN_printf(arg...) warn_slowpath(__FILE__, __LINE__, arg) |
| 43 | #else | |
| 44 | #define __WARN_printf(arg...) __WARN() | |
| 3a6a62f9 OJ |
45 | #endif |
| 46 | ||
| 47 | #ifndef WARN_ON | |
| 684f9783 | 48 | #define WARN_ON(condition) ({ \ |
| 8d4fbcfb | 49 | int __ret_warn_on = !!(condition); \ |
| 3a6a62f9 OJ |
50 | if (unlikely(__ret_warn_on)) \ |
| 51 | __WARN(); \ | |
| 684f9783 HX |
52 | unlikely(__ret_warn_on); \ |
| 53 | }) | |
| 1da177e4 LT |
54 | #endif |
| 55 | ||
| a8f18b90 AV |
56 | #ifndef WARN |
| 57 | #define WARN(condition, format...) ({ \ | |
| 58 | int __ret_warn_on = !!(condition); \ | |
| 59 | if (unlikely(__ret_warn_on)) \ | |
| 60 | __WARN_printf(format); \ | |
| 61 | unlikely(__ret_warn_on); \ | |
| 62 | }) | |
| 63 | #endif | |
| 64 | ||
| c8538a7a MM |
65 | #else /* !CONFIG_BUG */ |
| 66 | #ifndef HAVE_ARCH_BUG | |
| 67 | #define BUG() | |
| 68 | #endif | |
| 69 | ||
| c8538a7a MM |
70 | #ifndef HAVE_ARCH_BUG_ON |
| 71 | #define BUG_ON(condition) do { if (condition) ; } while(0) | |
| 72 | #endif | |
| 73 | ||
| 74 | #ifndef HAVE_ARCH_WARN_ON | |
| 8c7c7c9b | 75 | #define WARN_ON(condition) ({ \ |
| 8d4fbcfb | 76 | int __ret_warn_on = !!(condition); \ |
| 8c7c7c9b RB |
77 | unlikely(__ret_warn_on); \ |
| 78 | }) | |
| c8538a7a | 79 | #endif |
| a8f18b90 AV |
80 | |
| 81 | #ifndef WARN | |
| 82 | #define WARN(condition, format...) ({ \ | |
| 83 | int __ret_warn_on = !!(condition); \ | |
| 84 | unlikely(__ret_warn_on); \ | |
| 85 | }) | |
| 86 | #endif | |
| 87 | ||
| c8538a7a MM |
88 | #endif |
| 89 | ||
| d69a8922 AM |
90 | #define WARN_ON_ONCE(condition) ({ \ |
| 91 | static int __warned; \ | |
| 8d4fbcfb | 92 | int __ret_warn_once = !!(condition); \ |
| d69a8922 AM |
93 | \ |
| 94 | if (unlikely(__ret_warn_once)) \ | |
| 95 | if (WARN_ON(!__warned)) \ | |
| 96 | __warned = 1; \ | |
| 97 | unlikely(__ret_warn_once); \ | |
| 74bb6a09 IM |
98 | }) |
| 99 | ||
| 717115e1 DY |
100 | #define WARN_ON_RATELIMIT(condition, state) \ |
| 101 | WARN_ON((condition) && __ratelimit(state)) | |
| 102 | ||
| 8eb94f80 IM |
103 | #ifdef CONFIG_SMP |
| 104 | # define WARN_ON_SMP(x) WARN_ON(x) | |
| 105 | #else | |
| 106 | # define WARN_ON_SMP(x) do { } while (0) | |
| 107 | #endif | |
| 108 | ||
| 1da177e4 | 109 | #endif |