ARM: 6765/1: remove obsolete comment from asm/mach/arch.h
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / include / asm / traps.h
blob1b960d5ef6a5d1bdb1afd5bc804136aa61f1e19a
1 #ifndef _ASMARM_TRAP_H
2 #define _ASMARM_TRAP_H
4 #include <linux/list.h>
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);
15 void register_undef_hook(struct undef_hook *hook);
16 void unregister_undef_hook(struct undef_hook *hook);
18 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
19 static inline int __in_irqentry_text(unsigned long ptr)
21 extern char __irqentry_text_start[];
22 extern char __irqentry_text_end[];
24 return ptr >= (unsigned long)&__irqentry_text_start &&
25 ptr < (unsigned long)&__irqentry_text_end;
27 #else
28 static inline int __in_irqentry_text(unsigned long ptr)
30 return 0;
32 #endif
34 static inline int in_exception_text(unsigned long ptr)
36 extern char __exception_text_start[];
37 extern char __exception_text_end[];
38 int in;
40 in = ptr >= (unsigned long)&__exception_text_start &&
41 ptr < (unsigned long)&__exception_text_end;
43 return in ? : __in_irqentry_text(ptr);
46 extern void __init early_trap_init(void);
47 extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame);
49 extern void *vectors_page;
51 #endif