58 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_SH_KPROBES_H
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#define __ASM_SH_KPROBES_H
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#include <asm-generic/kprobes.h>
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#define BREAKPOINT_INSTRUCTION	0xc33a
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#ifdef CONFIG_KPROBES
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#include <linux/types.h>
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#include <linux/ptrace.h>
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typedef insn_size_t kprobe_opcode_t;
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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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#define flush_insn_slot(p)		do { } while (0)
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#define kretprobe_blacklist_size	0
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struct kprobe;
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void arch_remove_kprobe(struct kprobe *);
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void __kretprobe_trampoline(void);
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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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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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/* per-cpu kprobe control block */
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struct kprobe_ctlblk {
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	unsigned long kprobe_status;
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	struct prev_kprobe prev_kprobe;
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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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#define kprobe_handle_illslot(pc)	(-1)
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#endif /* CONFIG_KPROBES */
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#endif /* __ASM_SH_KPROBES_H */
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