kprobes.c File Reference

#include <linux/kprobes.h>
#include <linux/module.h>
#include <linux/ptrace.h>
#include <linux/preempt.h>
#include <linux/kdebug.h>
#include <linux/slab.h>
#include <asm/cacheflush.h>
#include <asm/uaccess.h>

Go to the source code of this file.

Macros
#define	OPCODE_JMP(x)   (((x) & 0xF0FF) == 0x402b)
#define	OPCODE_JSR(x)   (((x) & 0xF0FF) == 0x400b)
#define	OPCODE_BRA(x)   (((x) & 0xF000) == 0xa000)
#define	OPCODE_BRAF(x)   (((x) & 0xF0FF) == 0x0023)
#define	OPCODE_BSR(x)   (((x) & 0xF000) == 0xb000)
#define	OPCODE_BSRF(x)   (((x) & 0xF0FF) == 0x0003)
#define	OPCODE_BF_S(x)   (((x) & 0xFF00) == 0x8f00)
#define	OPCODE_BT_S(x)   (((x) & 0xFF00) == 0x8d00)
#define	OPCODE_BF(x)   (((x) & 0xFF00) == 0x8b00)
#define	OPCODE_BT(x)   (((x) & 0xFF00) == 0x8900)
#define	OPCODE_RTS(x)   (((x) & 0x000F) == 0x000b)
#define	OPCODE_RTE(x)   (((x) & 0xFFFF) == 0x002b)

Functions
	DEFINE_PER_CPU (struct kprobe *, current_kprobe)
	DEFINE_PER_CPU (struct kprobe_ctlblk, kprobe_ctlblk)
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)
int __kprobes	arch_trampoline_kprobe (struct kprobe *p)
int __kprobes	kprobe_handle_illslot (unsigned long pc)
void __kprobes	arch_remove_kprobe (struct kprobe *p)
void __kprobes	arch_prepare_kretprobe (struct kretprobe_instance *ri, struct pt_regs *regs)
int __kprobes	trampoline_probe_handler (struct kprobe *p, struct pt_regs *regs)
int __kprobes	kprobe_fault_handler (struct pt_regs *regs, int trapnr)
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)
int __kprobes	longjmp_break_handler (struct kprobe *p, struct pt_regs *regs)
int __init	arch_init_kprobes (void)

Macro Definition Documentation

#define OPCODE_BF

(

x

)

(((x) & 0xFF00) == 0x8b00)

Definition at line 37 of file kprobes.c.

#define OPCODE_BF_S

(

x

)

(((x) & 0xFF00) == 0x8f00)

Definition at line 34 of file kprobes.c.

#define OPCODE_BRA

(

x

)

(((x) & 0xF000) == 0xa000)

Definition at line 29 of file kprobes.c.

#define OPCODE_BRAF

(

x

)

(((x) & 0xF0FF) == 0x0023)

Definition at line 30 of file kprobes.c.

#define OPCODE_BSR

(

x

)

(((x) & 0xF000) == 0xb000)

Definition at line 31 of file kprobes.c.

#define OPCODE_BSRF

(

x

)

(((x) & 0xF0FF) == 0x0003)

Definition at line 32 of file kprobes.c.

#define OPCODE_BT

(

x

)

(((x) & 0xFF00) == 0x8900)

Definition at line 38 of file kprobes.c.

#define OPCODE_BT_S

(

x

)

(((x) & 0xFF00) == 0x8d00)

Definition at line 35 of file kprobes.c.

#define OPCODE_JMP

(

x

)

(((x) & 0xF0FF) == 0x402b)

Definition at line 27 of file kprobes.c.

#define OPCODE_JSR

(

x

)

(((x) & 0xF0FF) == 0x400b)

Definition at line 28 of file kprobes.c.

#define OPCODE_RTE

(

x

)

(((x) & 0xFFFF) == 0x002b)

Definition at line 41 of file kprobes.c.

#define OPCODE_RTS

(

x

)

(((x) & 0x000F) == 0x000b)

Definition at line 40 of file kprobes.c.

Function Documentation

void __kprobes arch_arm_kprobe

(

struct kprobe *

p

)

Definition at line 61 of file kprobes.c.

void __kprobes arch_copy_kprobe

(

struct kprobe *

p

)

Definition at line 55 of file kprobes.c.

void __kprobes arch_disarm_kprobe

(

struct kprobe *

p

)

Definition at line 68 of file kprobes.c.

int __init arch_init_kprobes

(

void

)

Definition at line 582 of file kprobes.c.

int __kprobes arch_prepare_kprobe

(

struct kprobe *

p

)

Definition at line 43 of file kprobes.c.

void __kprobes arch_prepare_kretprobe	(	struct kretprobe_instance *	ri,
		struct pt_regs *	regs
	)

Definition at line 206 of file kprobes.c.

void __kprobes arch_remove_kprobe

(

struct kprobe *

p

)

Definition at line 103 of file kprobes.c.

int __kprobes arch_trampoline_kprobe

(

struct kprobe *

p

)

Definition at line 75 of file kprobes.c.

DEFINE_PER_CPU	(	struct kprobe *	,
		current_kprobe
	)

DEFINE_PER_CPU	(	struct kprobe_ctlblk	,
		kprobe_ctlblk
	)

void __kprobes jprobe_return

(

void

)

Definition at line 551 of file kprobes.c.

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

Definition at line 486 of file kprobes.c.

int __kprobes kprobe_fault_handler	(	struct pt_regs *	regs,
		int	trapnr
	)

Definition at line 420 of file kprobes.c.

int __kprobes kprobe_handle_illslot

(

unsigned long

pc

)

If an illegal slot instruction exception occurs for an address containing a kprobe, remove the probe.

Returns 0 if the exception was handled successfully, 1 otherwise.

Definition at line 89 of file kprobes.c.

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

Definition at line 556 of file kprobes.c.

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

Definition at line 526 of file kprobes.c.

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

Definition at line 309 of file kprobes.c.