xref: /linux/include/linux/bug.h (revision 99b5aa3c10c7cff1e97239fda93649222fc12d25)
1 #ifndef _LINUX_BUG_H
2 #define _LINUX_BUG_H
3 
4 #include <linux/module.h>
5 #include <asm/bug.h>
6 
7 enum bug_trap_type {
8 	BUG_TRAP_TYPE_NONE = 0,
9 	BUG_TRAP_TYPE_WARN = 1,
10 	BUG_TRAP_TYPE_BUG = 2,
11 };
12 
13 #ifdef CONFIG_GENERIC_BUG
14 #include <asm-generic/bug.h>
15 
16 static inline int is_warning_bug(const struct bug_entry *bug)
17 {
18 	return bug->flags & BUGFLAG_WARNING;
19 }
20 
21 const struct bug_entry *find_bug(unsigned long bugaddr);
22 
23 enum bug_trap_type report_bug(unsigned long bug_addr);
24 
25 int  module_bug_finalize(const Elf_Ehdr *, const Elf_Shdr *,
26 			 struct module *);
27 void module_bug_cleanup(struct module *);
28 
29 /* These are defined by the architecture */
30 int is_valid_bugaddr(unsigned long addr);
31 
32 #else	/* !CONFIG_GENERIC_BUG */
33 
34 static inline enum bug_trap_type report_bug(unsigned long bug_addr)
35 {
36 	return BUG_TRAP_TYPE_BUG;
37 }
38 static inline int  module_bug_finalize(const Elf_Ehdr *hdr,
39 					const Elf_Shdr *sechdrs,
40 					struct module *mod)
41 {
42 	return 0;
43 }
44 static inline void module_bug_cleanup(struct module *mod) {}
45 
46 #endif	/* CONFIG_GENERIC_BUG */
47 #endif	/* _LINUX_BUG_H */
48