xref: /openbmc/linux/arch/x86/include/asm/bug.h (revision b6dcefde)
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.long 1b - 2b, %c0 - 2b\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 	unreachable();						\
26 } while (0)
27 
28 #else
29 #define BUG()							\
30 do {								\
31 	asm volatile("ud2");					\
32 	unreachable();						\
33 } while (0)
34 #endif
35 
36 #endif /* !CONFIG_BUG */
37 
38 #include <asm-generic/bug.h>
39 #endif /* _ASM_X86_BUG_H */
40