kprobes.c File Reference

#include <linux/kprobes.h>
#include <linux/ptrace.h>
#include <linux/spinlock.h>
#include <linux/preempt.h>
#include <linux/kdebug.h>
#include <asm/cacheflush.h>

Go to the source code of this file.

Macros
#define	KPROBE_HIT_ACTIVE   0x00000001
#define	KPROBE_HIT_SS   0x00000002
#define	SINGLESTEP_BRANCH   1
#define	SINGLESTEP_PCREL   2
#define	READ_BYTE(p, valp)   do { *(u8 *)(valp) = *(u8 *)(p); } while (0)
#define	READ_WORD16(p, valp)
#define	READ_WORD32(p, valp)
#define	LT   (1 << 0)
#define	GT   (1 << 1)
#define	GE   (1 << 2)
#define	LE   (1 << 3)
#define	CS   (1 << 4)
#define	HI   (1 << 5)
#define	CC   (1 << 6)
#define	LS   (1 << 7)
#define	EQ   (1 << 8)
#define	NE   (1 << 9)
#define	RA   (1 << 10)
#define	VC   (1 << 11)
#define	VS   (1 << 12)
#define	NC   (1 << 13)
#define	NS   (1 << 14)

Functions
	DEFINE_PER_CPU (struct kprobe *, current_kprobe)
int __kprobes	arch_prepare_kprobe (struct kprobe *p)
void __kprobes	arch_copy_kprobe (struct kprobe *p)
void __kprobes	arch_arm_kprobe (struct kprobe *p)
void __kprobes	arch_disarm_kprobe (struct kprobe *p)
void	arch_remove_kprobe (struct kprobe *p)
int __kprobes	kprobe_exceptions_notify (struct notifier_block *self, unsigned long val, void *data)
int __kprobes	setjmp_pre_handler (struct kprobe *p, struct pt_regs *regs)
void __kprobes	jprobe_return (void)
void	jprobe_return_bp_addr (void)
int __kprobes	longjmp_break_handler (struct kprobe *p, struct pt_regs *regs)
int __init	arch_init_kprobes (void)

Variables
struct kretprobe_blackpoint	kretprobe_blacklist [] = { { NULL, NULL } }
const int	kretprobe_blacklist_size = ARRAY_SIZE(kretprobe_blacklist)

Macro Definition Documentation

#define CC   (1 << 6)

Definition at line 94 of file kprobes.c.

#define CS   (1 << 4)

Definition at line 92 of file kprobes.c.

#define EQ   (1 << 8)

Definition at line 96 of file kprobes.c.

#define GE   (1 << 2)

Definition at line 90 of file kprobes.c.

#define GT   (1 << 1)

Definition at line 89 of file kprobes.c.

#define HI   (1 << 5)

Definition at line 93 of file kprobes.c.

#define KPROBE_HIT_ACTIVE   0x00000001

Definition at line 31 of file kprobes.c.

#define KPROBE_HIT_SS   0x00000002

Definition at line 32 of file kprobes.c.

#define LE   (1 << 3)

Definition at line 91 of file kprobes.c.

#define LS   (1 << 7)

Definition at line 95 of file kprobes.c.

#define LT   (1 << 0)

Definition at line 88 of file kprobes.c.

#define NC   (1 << 13)

Definition at line 101 of file kprobes.c.

#define NE   (1 << 9)

Definition at line 97 of file kprobes.c.

#define NS   (1 << 14)

Definition at line 102 of file kprobes.c.

#define RA   (1 << 10)

Definition at line 98 of file kprobes.c.

#define READ_BYTE	(		p,
			valp
	)		do { *(u8 *)(valp) = *(u8 *)(p); } while (0)

Definition at line 49 of file kprobes.c.

#define READ_WORD16	(		p,
			valp
	)

Value:

do {                            \
        READ_BYTE((p), (valp));             \
        READ_BYTE((u8 *)(p) + 1, (u8 *)(valp) + 1); \
    } while (0)

Definition at line 52 of file kprobes.c.

#define READ_WORD32	(		p,
			valp
	)

Value:

do {                            \
        READ_BYTE((p), (valp));             \
        READ_BYTE((u8 *)(p) + 1, (u8 *)(valp) + 1); \
        READ_BYTE((u8 *)(p) + 2, (u8 *)(valp) + 2); \
        READ_BYTE((u8 *)(p) + 3, (u8 *)(valp) + 3); \
    } while (0)

Definition at line 58 of file kprobes.c.

#define SINGLESTEP_BRANCH   1

Definition at line 46 of file kprobes.c.

#define SINGLESTEP_PCREL   2

Definition at line 47 of file kprobes.c.

#define VC   (1 << 11)

Definition at line 99 of file kprobes.c.

#define VS   (1 << 12)

Definition at line 100 of file kprobes.c.

Function Documentation

void __kprobes arch_arm_kprobe

(

struct kprobe *

p

)

Definition at line 371 of file kprobes.c.

void __kprobes arch_copy_kprobe

(

struct kprobe *

p

)

Definition at line 366 of file kprobes.c.

void __kprobes arch_disarm_kprobe

(

struct kprobe *

p

)

Definition at line 378 of file kprobes.c.

int __init arch_init_kprobes

(

void

)

Definition at line 653 of file kprobes.c.

int __kprobes arch_prepare_kprobe

(

struct kprobe *

p

)

Definition at line 361 of file kprobes.c.

void arch_remove_kprobe

(

struct kprobe *

p

)

Definition at line 386 of file kprobes.c.

DEFINE_PER_CPU	(	struct kprobe *	,
		current_kprobe
	)

void __kprobes jprobe_return

(

void

)

Definition at line 615 of file kprobes.c.

void jprobe_return_bp_addr

(

void

)

int __kprobes kprobe_exceptions_notify	(	struct notifier_block *	self,
		unsigned long	val,
		void *	data
	)

Definition at line 566 of file kprobes.c.

int __kprobes longjmp_break_handler	(	struct kprobe *	p,
		struct pt_regs *	regs
	)

Definition at line 629 of file kprobes.c.

int __kprobes setjmp_pre_handler	(	struct kprobe *	p,
		struct pt_regs *	regs
	)

Definition at line 597 of file kprobes.c.

Variable Documentation

struct kretprobe_blackpoint kretprobe_blacklist[] = { { NULL, NULL } }

Definition at line 27 of file kprobes.c.

const int kretprobe_blacklist_size = ARRAY_SIZE(kretprobe_blacklist)

Definition at line 28 of file kprobes.c.