arch/arm/probes/kprobes/core.h

Source file repositories/reference/linux-study-clean/arch/arm/probes/kprobes/core.h

File Facts

System
Linux kernel
Corpus path
arch/arm/probes/kprobes/core.h
Extension
.h
Size
1473 bytes
Lines
51
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ARM_KERNEL_KPROBES_H
#define _ARM_KERNEL_KPROBES_H

#include <asm/kprobes.h>
#include "../decode.h"

/*
 * These undefined instructions must be unique and
 * reserved solely for kprobes' use.
 */
#define KPROBE_ARM_BREAKPOINT_INSTRUCTION	0x07f001f8
#define KPROBE_THUMB16_BREAKPOINT_INSTRUCTION	0xde18
#define KPROBE_THUMB32_BREAKPOINT_INSTRUCTION	0xf7f0a018

extern void kprobes_remove_breakpoint(void *addr, unsigned int insn);

enum probes_insn __kprobes
kprobe_decode_ldmstm(kprobe_opcode_t insn, struct arch_probes_insn *asi,
		const struct decode_header *h);

typedef enum probes_insn (kprobe_decode_insn_t)(probes_opcode_t,
						struct arch_probes_insn *,
						bool,
						const union decode_action *,
						const struct decode_checker *[]);

#ifdef CONFIG_THUMB2_KERNEL

extern const union decode_action kprobes_t32_actions[];
extern const union decode_action kprobes_t16_actions[];
extern const struct decode_checker *kprobes_t32_checkers[];
extern const struct decode_checker *kprobes_t16_checkers[];
#else /* !CONFIG_THUMB2_KERNEL */

extern const union decode_action kprobes_arm_actions[];
extern const struct decode_checker *kprobes_arm_checkers[];

#endif

#endif /* _ARM_KERNEL_KPROBES_H */

Annotation

Implementation Notes