1 #ifndef _ASM_S390_BUG_H 2 #define _ASM_S390_BUG_H 3 4 #include <linux/kernel.h> 5 6 #ifdef CONFIG_BUG 7 8 #ifdef CONFIG_DEBUG_BUGVERBOSE 9 10 #define __EMIT_BUG(x) do { \ 11 asm volatile( \ 12 "0: j 0b+2\n" \ 13 "1:\n" \ 14 ".section .rodata.str,\"aMS\",@progbits,1\n" \ 15 "2: .asciz \""__FILE__"\"\n" \ 16 ".previous\n" \ 17 ".section __bug_table,\"a\"\n" \ 18 "3: .long 1b-3b,2b-3b\n" \ 19 " .short %0,%1\n" \ 20 " .org 3b+%2\n" \ 21 ".previous\n" \ 22 : : "i" (__LINE__), \ 23 "i" (x), \ 24 "i" (sizeof(struct bug_entry))); \ 25 } while (0) 26 27 #else /* CONFIG_DEBUG_BUGVERBOSE */ 28 29 #define __EMIT_BUG(x) do { \ 30 asm volatile( \ 31 "0: j 0b+2\n" \ 32 "1:\n" \ 33 ".section __bug_table,\"a\"\n" \ 34 "2: .long 1b-2b\n" \ 35 " .short %0\n" \ 36 " .org 2b+%1\n" \ 37 ".previous\n" \ 38 : : "i" (x), \ 39 "i" (sizeof(struct bug_entry))); \ 40 } while (0) 41 42 #endif /* CONFIG_DEBUG_BUGVERBOSE */ 43 44 #define BUG() do { \ 45 __EMIT_BUG(0); \ 46 unreachable(); \ 47 } while (0) 48 49 #define __WARN_TAINT(taint) do { \ 50 __EMIT_BUG(BUGFLAG_TAINT(taint)); \ 51 } while (0) 52 53 #define WARN_ON(x) ({ \ 54 int __ret_warn_on = !!(x); \ 55 if (__builtin_constant_p(__ret_warn_on)) { \ 56 if (__ret_warn_on) \ 57 __WARN(); \ 58 } else { \ 59 if (unlikely(__ret_warn_on)) \ 60 __WARN(); \ 61 } \ 62 unlikely(__ret_warn_on); \ 63 }) 64 65 #define HAVE_ARCH_BUG 66 #define HAVE_ARCH_WARN_ON 67 #endif /* CONFIG_BUG */ 68 69 #include <asm-generic/bug.h> 70 71 #endif /* _ASM_S390_BUG_H */ 72