projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 25433b12 BB |
1 | #ifndef _ASM_POWERPC_BUG_H |
| 2 | #define _ASM_POWERPC_BUG_H | |
| 88ced031 | 3 | #ifdef __KERNEL__ |
| 1da177e4 | 4 | |
| 3ddfbcf1 | 5 | #include <asm/asm-compat.h> |
| 1da177e4 LT |
6 | /* |
| 7 | * Define an illegal instr to trap on the bug. | |
| 8 | * We don't use 0 because that marks the end of a function | |
| 9 | * in the ELF ABI. That's "Boo Boo" in case you wonder... | |
| 10 | */ | |
| 11 | #define BUG_OPCODE .long 0x00b00b00 /* For asm */ | |
| 12 | #define BUG_ILLEGAL_INSTR "0x00b00b00" /* For BUG macro */ | |
| 13 | ||
| 14 | #ifndef __ASSEMBLY__ | |
| 15 | ||
| 16 | struct bug_entry { | |
| 17 | unsigned long bug_addr; | |
| 89003ebf | 18 | long line; |
| 1da177e4 LT |
19 | const char *file; |
| 20 | const char *function; | |
| 21 | }; | |
| 22 | ||
| 23 | struct bug_entry *find_bug(unsigned long bugaddr); | |
| 24 | ||
| 25 | /* | |
| 26 | * If this bit is set in the line number it means that the trap | |
| 27 | * is for WARN_ON rather than BUG or BUG_ON. | |
| 28 | */ | |
| 29 | #define BUG_WARNING_TRAP 0x1000000 | |
| 30 | ||
| c8538a7a MM |
31 | #ifdef CONFIG_BUG |
| 32 | ||
| 1da177e4 LT |
33 | #define BUG() do { \ |
| 34 | __asm__ __volatile__( \ | |
| 35 | "1: twi 31,0,0\n" \ | |
| 104dd65f | 36 | ".section __bug_table,\"a\"\n" \ |
| 3ddfbcf1 | 37 | "\t"PPC_LONG" 1b,%0,%1,%2\n" \ |
| 1da177e4 LT |
38 | ".previous" \ |
| 39 | : : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \ | |
| 40 | } while (0) | |
| 41 | ||
| 42 | #define BUG_ON(x) do { \ | |
| 43 | __asm__ __volatile__( \ | |
| 3ddfbcf1 | 44 | "1: "PPC_TLNEI" %0,0\n" \ |
| 104dd65f | 45 | ".section __bug_table,\"a\"\n" \ |
| 3ddfbcf1 | 46 | "\t"PPC_LONG" 1b,%1,%2,%3\n" \ |
| 1da177e4 | 47 | ".previous" \ |
| f2cad7a8 | 48 | : : "r" ((long)(x)), "i" (__LINE__), \ |
| 32818c2e | 49 | "i" (__FILE__), "i" (__FUNCTION__)); \ |
| 1da177e4 LT |
50 | } while (0) |
| 51 | ||
| 52 | #define WARN_ON(x) do { \ | |
| 53 | __asm__ __volatile__( \ | |
| 3ddfbcf1 | 54 | "1: "PPC_TLNEI" %0,0\n" \ |
| 104dd65f | 55 | ".section __bug_table,\"a\"\n" \ |
| 3ddfbcf1 | 56 | "\t"PPC_LONG" 1b,%1,%2,%3\n" \ |
| 1da177e4 | 57 | ".previous" \ |
| f2cad7a8 | 58 | : : "r" ((long)(x)), \ |
| 32818c2e | 59 | "i" (__LINE__ + BUG_WARNING_TRAP), \ |
| 1da177e4 LT |
60 | "i" (__FILE__), "i" (__FUNCTION__)); \ |
| 61 | } while (0) | |
| 62 | ||
| 1da177e4 LT |
63 | #define HAVE_ARCH_BUG |
| 64 | #define HAVE_ARCH_BUG_ON | |
| 65 | #define HAVE_ARCH_WARN_ON | |
| 25433b12 BB |
66 | #endif /* CONFIG_BUG */ |
| 67 | #endif /* __ASSEMBLY __ */ | |
| c8538a7a | 68 | |
| 1da177e4 LT |
69 | #include <asm-generic/bug.h> |
| 70 | ||
| 88ced031 | 71 | #endif /* __KERNEL__ */ |
| 25433b12 | 72 | #endif /* _ASM_POWERPC_BUG_H */ |