cregit-Linux how code gets into the kernel

Release 4.14 arch/sparc/include/asm/kprobes.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SPARC64_KPROBES_H

#define _SPARC64_KPROBES_H

#include <asm-generic/kprobes.h>


#define BREAKPOINT_INSTRUCTION   0x91d02070 
/* ta 0x70 */

#define BREAKPOINT_INSTRUCTION_2 0x91d02071 
/* ta 0x71 */

#ifdef CONFIG_KPROBES
#include <linux/types.h>
#include <linux/percpu.h>


typedef u32 kprobe_opcode_t;


#define MAX_INSN_SIZE 2


#define kretprobe_blacklist_size 0


#define arch_remove_kprobe(p)	do {} while (0)


#define flush_insn_slot(p)		\
do {    flushi(&(p)->ainsn.insn[0]);    \
        flushi(&(p)->ainsn.insn[1]);    \
} while (0)

void kretprobe_trampoline(void);

/* Architecture specific copy of original instruction*/

struct arch_specific_insn {
	/* copy of the original instruction */
	
kprobe_opcode_t insn[MAX_INSN_SIZE];
};


struct prev_kprobe {
	
struct kprobe *kp;
	
unsigned long status;
	
unsigned long orig_tnpc;
	
unsigned long orig_tstate_pil;
};

/* per-cpu kprobe control block */

struct kprobe_ctlblk {
	
unsigned long kprobe_status;
	
unsigned long kprobe_orig_tnpc;
	
unsigned long kprobe_orig_tstate_pil;
	
struct pt_regs jprobe_saved_regs;
	
struct prev_kprobe prev_kprobe;
};

int kprobe_exceptions_notify(struct notifier_block *self,
			     unsigned long val, void *data);
int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
asmlinkage void __kprobes kprobe_trap(unsigned long trap_level,
				      struct pt_regs *regs);

#endif /* CONFIG_KPROBES */
#endif /* _SPARC64_KPROBES_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Sam Ravnborg15589.60%250.00%
Luis R. Rodriguez179.83%125.00%
Greg Kroah-Hartman10.58%125.00%
Total173100.00%4100.00%
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