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| 1 | #ifndef _ASM_GENERIC_BUG_H |
1 | #ifndef _LINUX_BUG_H |
| 2 | #define _ASM_GENERIC_BUG_H |
2 | #define _LINUX_BUG_H |
| Line -... | Line 3... | ||
| - | 3 | ||
| 3 | 4 | #include |
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| Line 4... | Line 5... | ||
| 4 | #include |
5 | #include |
| 5 | - | ||
| 6 | int printf(const char *fmt, ...); |
- | |
| 7 | 6 | ||
| 8 | #define __WARN() printf("\nWARNING: at %s:%d\n", __FILE__, __LINE__) |
7 | enum bug_trap_type { |
| 9 | //#define __WARN_printf(arg...) printf("\nWARNING: at %s:%d\n", __FILE__, __LINE__) |
- | |
| 10 | #define __WARN_printf(arg...) do { printf(arg); __WARN(); } while (0) |
- | |
| 11 | - | ||
| 12 | #define WARN(condition, format...) ({ \ |
- | |
| 13 | int __ret_warn_on = !!(condition); \ |
- | |
| 14 | if (unlikely(__ret_warn_on)) \ |
8 | BUG_TRAP_TYPE_NONE = 0, |
| 15 | __WARN_printf(format); \ |
9 | BUG_TRAP_TYPE_WARN = 1, |
| 16 | unlikely(__ret_warn_on); \ |
- | |
| 17 | }) |
10 | BUG_TRAP_TYPE_BUG = 2, |
| 18 | - | ||
| 19 | - | ||
| 20 | #define WARN_ON(condition) ({ \ |
- | |
| 21 | int __ret_warn_on = !!(condition); \ |
- | |
| 22 | if (unlikely(__ret_warn_on)) \ |
- | |
| 23 | __WARN(); \ |
11 | }; |
| 24 | unlikely(__ret_warn_on); \ |
- | |
| 25 | }) |
12 | |
| 26 | 13 | struct pt_regs; |
|
| 27 | - | ||
| 28 | #define WARN_ONCE(condition, format...) ({ \ |
14 | |
| 29 | static bool __warned; \ |
- | |
| 30 | int __ret_warn_once = !!(condition); \ |
15 | #ifdef __CHECKER__ |
| 31 | \ |
16 | #define BUILD_BUG_ON_NOT_POWER_OF_2(n) (0) |
| 32 | if (unlikely(__ret_warn_once)) \ |
- | |
| 33 | if (WARN(!__warned, format)) \ |
17 | #define BUILD_BUG_ON_ZERO(e) (0) |
| 34 | __warned = true; \ |
- | |
| 35 | unlikely(__ret_warn_once); \ |
- | |
| 36 | }) |
- | |
| 37 | 18 | #define BUILD_BUG_ON_NULL(e) ((void*)0) |
|
| 38 | - | ||
| 39 | #define WARN_ON_ONCE(condition) ({ \ |
19 | #define BUILD_BUG_ON_INVALID(e) (0) |
| 40 | static bool __warned; \ |
- | |
| 41 | int __ret_warn_once = !!(condition); \ |
- | |
| 42 | \ |
- | |
| 43 | if (unlikely(__ret_warn_once)) \ |
- | |
| 44 | if (WARN_ON(!__warned)) \ |
- | |
| 45 | __warned = true; \ |
- | |
| 46 | unlikely(__ret_warn_once); \ |
- | |
| 47 | }) |
20 | #define BUILD_BUG_ON_MSG(cond, msg) (0) |
| 48 | - | ||
| 49 | #define BUG() do { \ |
21 | #define BUILD_BUG_ON(condition) (0) |
| 50 | printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ |
- | |
| 51 | } while (0) |
- | |
| Line 52... | Line 22... | ||
| 52 | 22 | #define BUILD_BUG() (0) |
|
| 53 | #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while(0) |
23 | #else /* __CHECKER__ */ |
| 54 | 24 | ||
| Line 111... | Line 81... | ||
| 111 | * build time, you should use BUILD_BUG to detect if it is |
81 | * build time, you should use BUILD_BUG to detect if it is |
| 112 | * unexpectedly used. |
82 | * unexpectedly used. |
| 113 | */ |
83 | */ |
| 114 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") |
84 | #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") |
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| - | 85 | ||
| Line -... | Line 86... | ||
| - | 86 | #endif /* __CHECKER__ */ |
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| - | 87 | ||
| Line -... | Line 88... | ||
| - | 88 | #ifdef CONFIG_GENERIC_BUG |
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| - | 89 | #include |
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| - | 90 | ||
| - | 91 | static inline int is_warning_bug(const struct bug_entry *bug) |
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| 115 | - | ||
| 116 | 92 | { |
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| Line -... | Line 93... | ||
| - | 93 | return bug->flags & BUGFLAG_WARNING; |
|
| - | 94 | } |
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| - | 95 | ||
| - | 96 | const struct bug_entry *find_bug(unsigned long bugaddr); |
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| - | 97 | ||
| - | 98 | enum bug_trap_type report_bug(unsigned long bug_addr, struct pt_regs *regs); |
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| - | 99 | ||
| - | 100 | /* These are defined by the architecture */ |
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| - | 101 | int is_valid_bugaddr(unsigned long addr); |
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| - | 102 | ||
| - | 103 | #else /* !CONFIG_GENERIC_BUG */ |
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| - | 104 | ||
| - | 105 | static inline enum bug_trap_type report_bug(unsigned long bug_addr, |
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| - | 106 | struct pt_regs *regs) |
|
| 117 | 107 | { |
|