kprobes.c File Reference

#include <linux/kprobes.h>
#include <linux/ptrace.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/hardirq.h>
#include <linux/preempt.h>
#include <linux/module.h>
#include <linux/kdebug.h>
#include <linux/kallsyms.h>
#include <linux/ftrace.h>
#include <asm/cacheflush.h>
#include <asm/desc.h>
#include <asm/pgtable.h>
#include <asm/uaccess.h>
#include <asm/alternative.h>
#include <asm/insn.h>
#include <asm/debugreg.h>
#include "kprobes-common.h"

Go to the source code of this file.

Macros
#define	stack_addr(regs)   ((unsigned long *)kernel_stack_pointer(regs))
#define	W(row, b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, ba, bb, bc, bd, be, bf)

Functions
void	jprobe_return_end (void)
	DEFINE_PER_CPU (struct kprobe *, current_kprobe)
	DEFINE_PER_CPU (struct kprobe_ctlblk, kprobe_ctlblk)
void __kprobes	synthesize_reljump (void *from, void *to)
void __kprobes	synthesize_relcall (void *from, void *to)
int __kprobes	can_boost (kprobe_opcode_t *opcodes)
unsigned long	recover_probed_instruction (kprobe_opcode_t *buf, unsigned long addr)
int __kprobes	__copy_instruction (u8 *dest, u8 *src)
int __kprobes	arch_prepare_kprobe (struct kprobe *p)
void __kprobes	arch_arm_kprobe (struct kprobe *p)
void __kprobes	arch_disarm_kprobe (struct kprobe *p)
void __kprobes	arch_remove_kprobe (struct kprobe *p)
void __kprobes	arch_prepare_kretprobe (struct kretprobe_instance *ri, 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)
int __kprobes	arch_trampoline_kprobe (struct kprobe *p)

Variables
struct kretprobe_blackpoint	kretprobe_blacklist []
const int	kretprobe_blacklist_size = ARRAY_SIZE(kretprobe_blacklist)

Macro Definition Documentation

#define stack_addr

(

regs

)

((unsigned long *)kernel_stack_pointer(regs))

Definition at line 68 of file kprobes.c.

#define W	(		row,
			b0,
			b1,
			b2,
			b3,
			b4,
			b5,
			b6,
			b7,
			b8,
			b9,
			ba,
			bb,
			bc,
			bd,
			be,
			bf
	)

Value:

(((b0##UL << 0x0)|(b1##UL << 0x1)|(b2##UL << 0x2)|(b3##UL << 0x3) |   \
      (b4##UL << 0x4)|(b5##UL << 0x5)|(b6##UL << 0x6)|(b7##UL << 0x7) |   \
      (b8##UL << 0x8)|(b9##UL << 0x9)|(ba##UL << 0xa)|(bb##UL << 0xb) |   \
      (bc##UL << 0xc)|(bd##UL << 0xd)|(be##UL << 0xe)|(bf##UL << 0xf))    \
     << (row % 32))

Definition at line 70 of file kprobes.c.

Function Documentation

int __kprobes __copy_instruction	(	u8 *	dest,
		u8 *	src
	)

Definition at line 325 of file kprobes.c.

void __kprobes arch_arm_kprobe

(

struct kprobe *

p

)

Definition at line 397 of file kprobes.c.

void __kprobes arch_disarm_kprobe

(

struct kprobe *

p

)

Definition at line 402 of file kprobes.c.

int __init arch_init_kprobes

(

void

)

Definition at line 1122 of file kprobes.c.

int __kprobes arch_prepare_kprobe

(

struct kprobe *

p

)

Definition at line 382 of file kprobes.c.

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

Definition at line 462 of file kprobes.c.

void __kprobes arch_remove_kprobe

(

struct kprobe *

p

)

Definition at line 407 of file kprobes.c.

int __kprobes arch_trampoline_kprobe

(

struct kprobe *

p

)

Definition at line 1127 of file kprobes.c.

int __kprobes can_boost

(

kprobe_opcode_t *

opcodes

)

Definition at line 162 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 1032 of file kprobes.c.

void jprobe_return_end

(

void

)

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

Definition at line 968 of file kprobes.c.

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

Definition at line 904 of file kprobes.c.

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

Definition at line 1049 of file kprobes.c.

unsigned long recover_probed_instruction	(	kprobe_opcode_t *	buf,
		unsigned long	addr
	)

Definition at line 251 of file kprobes.c.

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

Definition at line 1007 of file kprobes.c.

void __kprobes synthesize_relcall	(	void *	from,
		void *	to
	)

Definition at line 134 of file kprobes.c.

void __kprobes synthesize_reljump	(	void *	from,
		void *	to
	)

Definition at line 128 of file kprobes.c.

Variable Documentation

struct kretprobe_blackpoint kretprobe_blacklist[]

Initial value:

= {
    {"__switch_to", }, 
    {NULL, NULL}    
}

Definition at line 107 of file kprobes.c.

const int kretprobe_blacklist_size = ARRAY_SIZE(kretprobe_blacklist)

Definition at line 113 of file kprobes.c.