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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
18#ifdef CONFIG_FUNCTION_GRAPH_TRACER
19static inline int __in_irqentry_text(unsigned long ptr)
20{
21 extern char __irqentry_text_start[];
22 extern char __irqentry_text_end[];
23
24 return ptr >= (unsigned long)&__irqentry_text_start &&
25 ptr < (unsigned long)&__irqentry_text_end;
26}
27#else
28static inline int __in_irqentry_text(unsigned long ptr)
29{
30 return 0;
31}
32#endif
33
34static inline int in_exception_text(unsigned long ptr)
35{
36 extern char __exception_text_start[];
37 extern char __exception_text_end[];
38 int in;
39
40 in = ptr >= (unsigned long)&__exception_text_start &&
41 ptr < (unsigned long)&__exception_text_end;
42
43 return in ? : __in_irqentry_text(ptr);
44}
45
46extern void __init early_trap_init(void);
47extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame);
48extern void ptrace_break(struct task_struct *tsk, struct pt_regs *regs);
49
50extern void *vectors_page;
51
52#endif