tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#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
18static 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
27#endif