diff options
Diffstat (limited to 'arch/arm/include/asm/traps.h')
-rw-r--r-- | arch/arm/include/asm/traps.h | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h index 491960bf4260..1b960d5ef6a5 100644 --- a/arch/arm/include/asm/traps.h +++ b/arch/arm/include/asm/traps.h | |||
@@ -15,16 +15,37 @@ struct undef_hook { | |||
15 | void register_undef_hook(struct undef_hook *hook); | 15 | void register_undef_hook(struct undef_hook *hook); |
16 | void unregister_undef_hook(struct undef_hook *hook); | 16 | void unregister_undef_hook(struct undef_hook *hook); |
17 | 17 | ||
18 | #ifdef CONFIG_FUNCTION_GRAPH_TRACER | ||
19 | static 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 | ||
28 | static inline int __in_irqentry_text(unsigned long ptr) | ||
29 | { | ||
30 | return 0; | ||
31 | } | ||
32 | #endif | ||
33 | |||
18 | static inline int in_exception_text(unsigned long ptr) | 34 | static inline int in_exception_text(unsigned long ptr) |
19 | { | 35 | { |
20 | extern char __exception_text_start[]; | 36 | extern char __exception_text_start[]; |
21 | extern char __exception_text_end[]; | 37 | extern char __exception_text_end[]; |
38 | int in; | ||
22 | 39 | ||
23 | return ptr >= (unsigned long)&__exception_text_start && | 40 | in = ptr >= (unsigned long)&__exception_text_start && |
24 | ptr < (unsigned long)&__exception_text_end; | 41 | ptr < (unsigned long)&__exception_text_end; |
42 | |||
43 | return in ? : __in_irqentry_text(ptr); | ||
25 | } | 44 | } |
26 | 45 | ||
27 | extern void __init early_trap_init(void); | 46 | extern void __init early_trap_init(void); |
28 | extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame); | 47 | extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame); |
29 | 48 | ||
49 | extern void *vectors_page; | ||
50 | |||
30 | #endif | 51 | #endif |