Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef _ASMARM_TRAP_H |
2 | #define _ASMARM_TRAP_H | |
3 | ||
4 | #include <linux/list.h> | |
5 | ||
6 | struct undef_hook { | |
7 | struct list_head node; | |
8 | u32 instr_mask; | |
9 | u32 instr_val; | |
10 | u32 cpsr_mask; | |
11 | u32 cpsr_val; | |
12 | int (*fn)(struct pt_regs *regs, unsigned int instr); | |
13 | }; | |
14 | ||
15 | void register_undef_hook(struct undef_hook *hook); | |
16 | void unregister_undef_hook(struct undef_hook *hook); | |
17 | ||
785d3cd2 NP |
18 | static inline int in_exception_text(unsigned long ptr) |
19 | { | |
20 | extern char __exception_text_start[]; | |
21 | extern char __exception_text_end[]; | |
22 | ||
23 | return ptr >= (unsigned long)&__exception_text_start && | |
24 | ptr < (unsigned long)&__exception_text_end; | |
25 | } | |
26 | ||
5cbad0eb | 27 | extern void __init early_trap_init(void); |
67a94c23 | 28 | extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame); |
5cbad0eb | 29 | |
1da177e4 | 30 | #endif |