diff options
Diffstat (limited to 'arch/arm/include/asm/traps.h')
| -rw-r--r-- | arch/arm/include/asm/traps.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h index 491960bf426..f555bb3664d 100644 --- a/arch/arm/include/asm/traps.h +++ b/arch/arm/include/asm/traps.h @@ -3,6 +3,9 @@ #include <linux/list.h> +struct pt_regs; +struct task_struct; + struct undef_hook { struct list_head node; u32 instr_mask; @@ -15,16 +18,38 @@ struct undef_hook { void register_undef_hook(struct undef_hook *hook); void unregister_undef_hook(struct undef_hook *hook); +#ifdef CONFIG_FUNCTION_GRAPH_TRACER +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; +} +#else +static inline int __in_irqentry_text(unsigned long ptr) +{ + return 0; +} +#endif + static inline int in_exception_text(unsigned long ptr) { extern char __exception_text_start[]; extern char __exception_text_end[]; + int in; - return ptr >= (unsigned long)&__exception_text_start && - ptr < (unsigned long)&__exception_text_end; + 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 __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 |