49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
|
#ifndef _ASMARM_TRAP_H
|
||
|
|
#define _ASMARM_TRAP_H
|
||
|
|
|
||
|
|
#include <linux/list.h>
|
||
|
|
|
||
|
|
struct pt_regs;
|
||
|
|
struct task_struct;
|
||
|
|
|
||
|
|
struct undef_hook {
|
||
|
|
struct list_head node;
|
||
|
|
u32 instr_mask;
|
||
|
|
u32 instr_val;
|
||
|
|
u32 cpsr_mask;
|
||
|
|
u32 cpsr_val;
|
||
|
|
int (*fn)(struct pt_regs *regs, unsigned int instr);
|
||
|
|
};
|
||
|
|
|
||
|
|
void register_undef_hook(struct undef_hook *hook);
|
||
|
|
void unregister_undef_hook(struct undef_hook *hook);
|
||
|
|
|
||
|
|
static inline int __in_irqentry_text(unsigned long ptr)
|
||
|
|
{
|
||
|
|
extern char __irqentry_text_start[];
|
||
|
|
extern char __irqentry_text_end[];
|
||
|
|
|
||
|
|
return ptr >= (unsigned long)&__irqentry_text_start &&
|
||
|
|
ptr < (unsigned long)&__irqentry_text_end;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int in_exception_text(unsigned long ptr)
|
||
|
|
{
|
||
|
|
extern char __exception_text_start[];
|
||
|
|
extern char __exception_text_end[];
|
||
|
|
int in;
|
||
|
|
|
||
|
|
in = ptr >= (unsigned long)&__exception_text_start &&
|
||
|
|
ptr < (unsigned long)&__exception_text_end;
|
||
|
|
|
||
|
|
return in ? : __in_irqentry_text(ptr);
|
||
|
|
}
|
||
|
|
|
||
|
|
extern void __init early_trap_init(void *);
|
||
|
|
extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame);
|
||
|
|
extern void ptrace_break(struct task_struct *tsk, struct pt_regs *regs);
|
||
|
|
|
||
|
|
extern void *vectors_page;
|
||
|
|
|
||
|
|
#endif
|