59 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef __ASM_SH_KPROBES_H
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| #define __ASM_SH_KPROBES_H
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| 
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| #ifdef CONFIG_KPROBES
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| 
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| #include <linux/types.h>
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| #include <linux/ptrace.h>
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| 
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| typedef insn_size_t kprobe_opcode_t;
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| #define BREAKPOINT_INSTRUCTION	0xc33a
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| 
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| #define MAX_INSN_SIZE 16
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| #define MAX_STACK_SIZE 64
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| #define MIN_STACK_SIZE(ADDR) (((MAX_STACK_SIZE) < \
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| 	(((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR))) \
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| 	? (MAX_STACK_SIZE) \
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| 	: (((unsigned long)current_thread_info()) + THREAD_SIZE - (ADDR)))
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| 
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| #define regs_return_value(_regs)		((_regs)->regs[0])
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| #define flush_insn_slot(p)		do { } while (0)
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| #define kretprobe_blacklist_size	0
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| 
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| struct kprobe;
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| 
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| void arch_remove_kprobe(struct kprobe *);
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| void kretprobe_trampoline(void);
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| void jprobe_return_end(void);
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| 
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| /* Architecture specific copy of original instruction*/
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| struct arch_specific_insn {
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| 	/* copy of the original instruction */
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| 	kprobe_opcode_t insn[MAX_INSN_SIZE];
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| };
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| 
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| struct prev_kprobe {
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| 	struct kprobe *kp;
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| 	unsigned long status;
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| };
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| 
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| /* per-cpu kprobe control block */
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| struct kprobe_ctlblk {
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| 	unsigned long kprobe_status;
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| 	unsigned long jprobe_saved_r15;
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| 	struct pt_regs jprobe_saved_regs;
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| 	kprobe_opcode_t jprobes_stack[MAX_STACK_SIZE];
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| 	struct prev_kprobe prev_kprobe;
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| };
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| 
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| extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
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| extern int kprobe_exceptions_notify(struct notifier_block *self,
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| 				    unsigned long val, void *data);
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| extern int kprobe_handle_illslot(unsigned long pc);
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| #else
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| 
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| #define kprobe_handle_illslot(pc)	(-1)
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| 
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| #endif /* CONFIG_KPROBES */
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| #endif /* __ASM_SH_KPROBES_H */
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