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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | #ifndef _I386_BUG_H |
| 2 | #define _I386_BUG_H |
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| 3 | |||
| 4 | #include <linux/config.h> |
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| 5 | |||
| 6 | /* |
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| 7 | * Tell the user there is some problem. |
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| 8 | * The offending file and line are encoded after the "officially |
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| 9 | * undefined" opcode for parsing in the trap handler. |
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| 10 | */ |
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| 11 | |||
| 12 | #if 1 /* Set to zero for a slightly smaller kernel */ |
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| 13 | #define BUG() \ |
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| 14 | __asm__ __volatile__( "ud2\n" \ |
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| 15 | "\t.word %c0\n" \ |
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| 16 | "\t.long %c1\n" \ |
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| 17 | : : "i" (__LINE__), "i" (__FILE__)) |
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| 18 | #else |
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| 19 | #define BUG() __asm__ __volatile__("ud2\n") |
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| 20 | #endif |
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| 21 | |||
| 22 | #define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0) |
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| 23 | |||
| 24 | #define PAGE_BUG(page) do { \ |
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| 25 | BUG(); \ |
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| 26 | } while (0) |
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| 27 | |||
| 28 | #define WARN_ON(condition) do { \ |
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| 29 | if (unlikely((condition)!=0)) { \ |
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| 30 | printk("Badness in %s at %s:%d\n", __FUNCTION__, __FILE__, __LINE__); \ |
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| 31 | dump_stack(); \ |
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| 32 | } \ |
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| 33 | } while (0) |
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| 34 | |||
| 35 | #endif |