blob: 491960bf42602e9c509a32d382815a42b3089047 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASMARM_TRAP_H
2#define _ASMARM_TRAP_H
3
4#include <linux/list.h>
5
6struct 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
15void register_undef_hook(struct undef_hook *hook);
16void unregister_undef_hook(struct undef_hook *hook);
17
Nicolas Pitre785d3cd2007-12-03 15:27:56 -050018static 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
Jason Wessel5cbad0e2008-02-20 13:33:40 -060027extern void __init early_trap_init(void);
Catalin Marinas67a94c22009-02-11 13:06:53 +010028extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame);
Jason Wessel5cbad0e2008-02-20 13:33:40 -060029
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#endif