kprobes.h File Reference

#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/percpu.h>
#include <asm/insn.h>

Go to the source code of this file.

Data Structures
struct	arch_specific_insn
struct	arch_optimized_insn
struct	prev_kprobe
struct	kprobe_ctlblk

Macros
#define	__ARCH_WANT_KPROBES_INSN_SLOT
#define	ARCH_SUPPORTS_KPROBES_ON_FTRACE
#define	BREAKPOINT_INSTRUCTION   0xcc
#define	RELATIVEJUMP_OPCODE   0xe9
#define	RELATIVEJUMP_SIZE   5
#define	RELATIVECALL_OPCODE   0xe8
#define	RELATIVE_ADDR_SIZE   4
#define	MAX_STACK_SIZE   64
#define	MIN_STACK_SIZE(ADDR)
#define	flush_insn_slot(p)   do { } while (0)
#define	MAX_OPTIMIZED_LENGTH   (MAX_INSN_SIZE + RELATIVE_ADDR_SIZE)
#define	MAX_OPTINSN_SIZE

Typedefs
typedef u8	kprobe_opcode_t

Functions
void	arch_remove_kprobe (struct kprobe *p)
void	kretprobe_trampoline (void)
int	kprobe_fault_handler (struct pt_regs *regs, int trapnr)
int	kprobe_exceptions_notify (struct notifier_block *self, unsigned long val, void *data)

Variables
kprobe_opcode_t	optprobe_template_entry
kprobe_opcode_t	optprobe_template_val
kprobe_opcode_t	optprobe_template_call
kprobe_opcode_t	optprobe_template_end
const int	kretprobe_blacklist_size

Macro Definition Documentation

#define __ARCH_WANT_KPROBES_INSN_SLOT

Definition at line 29 of file kprobes.h.

#define ARCH_SUPPORTS_KPROBES_ON_FTRACE

Definition at line 30 of file kprobes.h.

#define BREAKPOINT_INSTRUCTION   0xcc

Definition at line 36 of file kprobes.h.

#define flush_insn_slot

(

p

)

do { } while (0)

Definition at line 49 of file kprobes.h.

#define MAX_OPTIMIZED_LENGTH   (MAX_INSN_SIZE + RELATIVE_ADDR_SIZE)

Definition at line 56 of file kprobes.h.

#define MAX_OPTINSN_SIZE

Value:

(((unsigned long)&optprobe_template_end -   \
      (unsigned long)&optprobe_template_entry) +    \
     MAX_OPTIMIZED_LENGTH + RELATIVEJUMP_SIZE)

Definition at line 57 of file kprobes.h.

#define MAX_STACK_SIZE   64

Definition at line 41 of file kprobes.h.

#define MIN_STACK_SIZE

(

ADDR

)

Value:

(((MAX_STACK_SIZE) < (((unsigned long)current_thread_info()) + \
                  THREAD_SIZE - (unsigned long)(ADDR)))    \
     ? (MAX_STACK_SIZE)                        \
     : (((unsigned long)current_thread_info()) +               \
        THREAD_SIZE - (unsigned long)(ADDR)))

Definition at line 42 of file kprobes.h.

#define RELATIVE_ADDR_SIZE   4

Definition at line 40 of file kprobes.h.

#define RELATIVECALL_OPCODE   0xe8

Definition at line 39 of file kprobes.h.

#define RELATIVEJUMP_OPCODE   0xe9

Definition at line 37 of file kprobes.h.

#define RELATIVEJUMP_SIZE   5

Definition at line 38 of file kprobes.h.

Typedef Documentation

typedef u8 kprobe_opcode_t

Definition at line 33 of file kprobes.h.

Function Documentation

void arch_remove_kprobe

(

struct kprobe *

p

)

Definition at line 158 of file kprobes.c.

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

Definition at line 359 of file kprobes.c.

int kprobe_fault_handler	(	struct pt_regs *	regs,
		int	trapnr
	)

Definition at line 186 of file kprobes.c.

void kretprobe_trampoline

(

void

)

Definition at line 377 of file kprobes.c.

Variable Documentation

const int kretprobe_blacklist_size

Definition at line 28 of file kprobes.c.

kprobe_opcode_t optprobe_template_call

kprobe_opcode_t optprobe_template_end

kprobe_opcode_t optprobe_template_entry

kprobe_opcode_t optprobe_template_val