Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 #ifndef _I386_BUG_H
  2 #define _I386_BUG_H
  3 
  4 #include <linux/config.h>
  5 
  6 /*
  7  * Tell the user there is some problem.
  8  * The offending file and line are encoded after the "officially
  9  * undefined" opcode for parsing in the trap handler.
 10  */
 11 
 12 #ifdef CONFIG_DEBUG_BUGVERBOSE
 13 #define BUG()                           \
 14  __asm__ __volatile__(  "ud2\n"         \
 15                         "\t.word %c0\n" \
 16                         "\t.long %c1\n" \
 17                          : : "i" (__LINE__), "i" (__FILE__))
 18 #else
 19 #define BUG() __asm__ __volatile__("ud2\n")
 20 #endif
 21 
 22 #define HAVE_ARCH_BUG
 23 #include <asm-generic/bug.h>
 24 
 25 #endif
 26 
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