include/asm-i386/bug.h

   1 #ifndef _I386_BUG_H
   2 #define _I386_BUG_H
   3
   4
   5 /*
   6  * Tell the user there is some problem.
   7  * The offending file and line are encoded encoded in the __bug_table section.
   8  */
   9
  10 #ifdef CONFIG_BUG
  11 #define HAVE_ARCH_BUG
  12
  13 #ifdef CONFIG_DEBUG_BUGVERBOSE
  14 #define BUG()                                                           \
  15         do {                                                            \
  16                 asm volatile("1:\tud2\n"                                \
  17                              ".pushsection __bug_table,\"a\"\n"         \
  18                              "2:\t.long 1b, %c0\n"                      \
  19                              "\t.word %c1, 0\n"                         \
  20                              "\t.org 2b+%c2\n"                          \
  21                              ".popsection"                              \
  22                              : : "i" (__FILE__), "i" (__LINE__),        \
  23                              "i" (sizeof(struct bug_entry)));           \
  24                 for(;;) ;                                               \
  25         } while(0)
  26
  27 #else
  28 #define BUG()                                                           \
  29         do {                                                            \
  30                 asm volatile("ud2");                                    \
  31                 for(;;) ;                                               \
  32         } while(0)
  33 #endif
  34 #endif
  35
  36 #include <asm-generic/bug.h>
  37 #endif