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); | |
| 37 | #define WANT_WARN_ON_SLOWPATH | |
| 38 | #endif | |
| 39 | #define __WARN() warn_on_slowpath(__FILE__, __LINE__) | |
| 3a6a62f9 OJ |
40 | #endif |
| 41 | ||
| 42 | #ifndef WARN_ON | |
| 684f9783 | 43 | #define WARN_ON(condition) ({ \ |
| 8d4fbcfb | 44 | int __ret_warn_on = !!(condition); \ |
| 3a6a62f9 OJ |
45 | if (unlikely(__ret_warn_on)) \ |
| 46 | __WARN(); \ | |
| 684f9783 HX |
47 | unlikely(__ret_warn_on); \ |
| 48 | }) | |
| 1da177e4 LT |
49 | #endif |
| 50 | ||
| c8538a7a MM |
51 | #else /* !CONFIG_BUG */ |
| 52 | #ifndef HAVE_ARCH_BUG | |
| 53 | #define BUG() | |
| 54 | #endif | |
| 55 | ||
| c8538a7a MM |
56 | #ifndef HAVE_ARCH_BUG_ON |
| 57 | #define BUG_ON(condition) do { if (condition) ; } while(0) | |
| 58 | #endif | |
| 59 | ||
| 60 | #ifndef HAVE_ARCH_WARN_ON | |
| 8c7c7c9b | 61 | #define WARN_ON(condition) ({ \ |
| 8d4fbcfb | 62 | int __ret_warn_on = !!(condition); \ |
| 8c7c7c9b RB |
63 | unlikely(__ret_warn_on); \ |
| 64 | }) | |
| c8538a7a MM |
65 | #endif |
| 66 | #endif | |
| 67 | ||
| d69a8922 AM |
68 | #define WARN_ON_ONCE(condition) ({ \ |
| 69 | static int __warned; \ | |
| 8d4fbcfb | 70 | int __ret_warn_once = !!(condition); \ |
| d69a8922 AM |
71 | \ |
| 72 | if (unlikely(__ret_warn_once)) \ | |
| 73 | if (WARN_ON(!__warned)) \ | |
| 74 | __warned = 1; \ | |
| 75 | unlikely(__ret_warn_once); \ | |
| 74bb6a09 IM |
76 | }) |
| 77 | ||
| 8eb94f80 IM |
78 | #ifdef CONFIG_SMP |
| 79 | # define WARN_ON_SMP(x) WARN_ON(x) | |
| 80 | #else | |
| 81 | # define WARN_ON_SMP(x) do { } while (0) | |
| 82 | #endif | |
| 83 | ||
| 1da177e4 | 84 | #endif |