projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| c0007f1a HC |
1 | #ifndef _ASM_S390_BUG_H |
| 2 | #define _ASM_S390_BUG_H | |
| 1da177e4 LT |
3 | |
| 4 | #include <linux/kernel.h> | |
| 5 | ||
| c8538a7a | 6 | #ifdef CONFIG_BUG |
| 4896cef8 | 7 | |
| c0007f1a HC |
8 | #ifdef CONFIG_64BIT |
| 9 | #define S390_LONG ".quad" | |
| f4a10b21 | 10 | #else |
| c0007f1a | 11 | #define S390_LONG ".long" |
| f4a10b21 | 12 | #endif |
| f4a10b21 | 13 | |
| c0007f1a HC |
14 | #ifdef CONFIG_DEBUG_BUGVERBOSE |
| 15 | ||
| 16 | #define __EMIT_BUG(x) do { \ | |
| 17 | asm volatile( \ | |
| 18 | "0: j 0b+2\n" \ | |
| 19 | "1:\n" \ | |
| 20 | ".section .rodata.str,\"aMS\",@progbits,1\n" \ | |
| 21 | "2: .asciz \""__FILE__"\"\n" \ | |
| 22 | ".previous\n" \ | |
| 23 | ".section __bug_table,\"a\"\n" \ | |
| 24 | "3:\t" S390_LONG "\t1b,2b\n" \ | |
| 25 | " .short %0,%1\n" \ | |
| 26 | " .org 3b+%2\n" \ | |
| 27 | ".previous\n" \ | |
| 28 | : : "i" (__LINE__), \ | |
| 29 | "i" (x), \ | |
| 30 | "i" (sizeof(struct bug_entry))); \ | |
| 1da177e4 LT |
31 | } while (0) |
| 32 | ||
| c0007f1a HC |
33 | #else /* CONFIG_DEBUG_BUGVERBOSE */ |
| 34 | ||
| 35 | #define __EMIT_BUG(x) do { \ | |
| 36 | asm volatile( \ | |
| 37 | "0: j 0b+2\n" \ | |
| 38 | "1:\n" \ | |
| 39 | ".section __bug_table,\"a\"\n" \ | |
| 40 | "2:\t" S390_LONG "\t1b\n" \ | |
| 41 | " .short %0\n" \ | |
| 42 | " .org 2b+%1\n" \ | |
| 43 | ".previous\n" \ | |
| 44 | : : "i" (x), \ | |
| 45 | "i" (sizeof(struct bug_entry))); \ | |
| 46 | } while (0) | |
| 47 | ||
| 48 | #endif /* CONFIG_DEBUG_BUGVERBOSE */ | |
| 49 | ||
| 50 | #define BUG() __EMIT_BUG(0) | |
| 51 | ||
| 52 | #define WARN_ON(x) ({ \ | |
| 53 | typeof(x) __ret_warn_on = (x); \ | |
| 54 | if (__builtin_constant_p(__ret_warn_on)) { \ | |
| 55 | if (__ret_warn_on) \ | |
| 56 | __EMIT_BUG(BUGFLAG_WARNING); \ | |
| 57 | } else { \ | |
| 58 | if (unlikely(__ret_warn_on)) \ | |
| 59 | __EMIT_BUG(BUGFLAG_WARNING); \ | |
| 60 | } \ | |
| 61 | unlikely(__ret_warn_on); \ | |
| 62 | }) | |
| 63 | ||
| 1da177e4 | 64 | #define HAVE_ARCH_BUG |
| c0007f1a HC |
65 | #define HAVE_ARCH_WARN_ON |
| 66 | #endif /* CONFIG_BUG */ | |
| c8538a7a | 67 | |
| 1da177e4 LT |
68 | #include <asm-generic/bug.h> |
| 69 | ||
| c0007f1a | 70 | #endif /* _ASM_S390_BUG_H */ |