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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/arm/include/asm/traps.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/arm/include/asm/traps.h')
-rw-r--r-- | arch/arm/include/asm/traps.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h new file mode 100644 index 00000000..f555bb36 --- /dev/null +++ b/arch/arm/include/asm/traps.h @@ -0,0 +1,55 @@ +#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); + +#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; + + 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 |