include/asm-x86/bug.h

   1 #ifndef _ASM_X86_BUG_H
   2 #define _ASM_X86_BUG_H
   3
   4 #ifdef CONFIG_BUG
   5 #define HAVE_ARCH_BUG
   6
   7 #ifdef CONFIG_DEBUG_BUGVERBOSE
   8
   9 #ifdef CONFIG_X86_32
  10 # define __BUG_C0       "2:\t.long 1b, %c0\n"
  11 #else
  12 # define __BUG_C0       "2:\t.quad 1b, %c0\n"
  13 #endif
  14
  15 #define BUG()                                                           \
  16         do {                                                            \
  17                 asm volatile("1:\tud2\n"                                \
  18                              ".pushsection __bug_table,\"a\"\n"         \
  19                              __BUG_C0                                   \
  20                              "\t.word %c1, 0\n"                         \
  21                              "\t.org 2b+%c2\n"                          \
  22                              ".popsection"                              \
  23                              : : "i" (__FILE__), "i" (__LINE__),        \
  24                              "i" (sizeof(struct bug_entry)));           \
  25                 for(;;) ;                                               \
  26         } while(0)
  27
  28 #else
  29 #define BUG()                                                           \
  30         do {                                                            \
  31                 asm volatile("ud2");                                    \
  32                 for(;;) ;                                               \
  33         } while(0)
  34 #endif
  35
  36 void out_of_line_bug(void);
  37 #else /* CONFIG_BUG */
  38 static inline void out_of_line_bug(void) { }
  39 #endif /* !CONFIG_BUG */
  40
  41 #include <asm-generic/bug.h>
  42 #endif