uprobes.c File Reference

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/ptrace.h>
#include <linux/uprobes.h>
#include <linux/uaccess.h>
#include <linux/kdebug.h>
#include <asm/processor.h>
#include <asm/insn.h>

Go to the source code of this file.

Macros
#define	UPROBE_FIX_NONE   0x0
#define	UPROBE_FIX_IP   0x1
#define	UPROBE_FIX_CALL   0x2
#define	UPROBE_FIX_SETF   0x4
#define	UPROBE_FIX_RIP_AX   0x8000
#define	UPROBE_FIX_RIP_CX   0x4000
#define	UPROBE_TRAP_NR   UINT_MAX
#define	OPCODE1(insn)   ((insn)->opcode.bytes[0])
#define	OPCODE2(insn)   ((insn)->opcode.bytes[1])
#define	OPCODE3(insn)   ((insn)->opcode.bytes[2])
#define	MODRM_REG(insn)   X86_MODRM_REG(insn->modrm.value)
#define	W(row, b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, ba, bb, bc, bd, be, bf)

Functions
int	arch_uprobe_analyze_insn (struct arch_uprobe *auprobe, struct mm_struct *mm, unsigned long addr)
int	arch_uprobe_pre_xol (struct arch_uprobe *auprobe, struct pt_regs *regs)
bool	arch_uprobe_xol_was_trapped (struct task_struct *t)
int	arch_uprobe_post_xol (struct arch_uprobe *auprobe, struct pt_regs *regs)
int	arch_uprobe_exception_notify (struct notifier_block *self, unsigned long val, void *data)
void	arch_uprobe_abort_xol (struct arch_uprobe *auprobe, struct pt_regs *regs)
bool	arch_uprobe_skip_sstep (struct arch_uprobe *auprobe, struct pt_regs *regs)
void	arch_uprobe_enable_step (struct arch_uprobe *auprobe)
void	arch_uprobe_disable_step (struct arch_uprobe *auprobe)

Macro Definition Documentation

#define MODRM_REG

(

insn

)

X86_MODRM_REG(insn->modrm.value)

Definition at line 56 of file uprobes.c.

#define OPCODE1

(

insn

)

((insn)->opcode.bytes[0])

Definition at line 53 of file uprobes.c.

#define OPCODE2

(

insn

)

((insn)->opcode.bytes[1])

Definition at line 54 of file uprobes.c.

#define OPCODE3

(

insn

)

((insn)->opcode.bytes[2])

Definition at line 55 of file uprobes.c.

#define UPROBE_FIX_CALL   0x2

Definition at line 42 of file uprobes.c.

#define UPROBE_FIX_IP   0x1

Definition at line 39 of file uprobes.c.

#define UPROBE_FIX_NONE   0x0

Definition at line 36 of file uprobes.c.

#define UPROBE_FIX_RIP_AX   0x8000

Definition at line 47 of file uprobes.c.

#define UPROBE_FIX_RIP_CX   0x4000

Definition at line 48 of file uprobes.c.

#define UPROBE_FIX_SETF   0x4

Definition at line 45 of file uprobes.c.

#define UPROBE_TRAP_NR   UINT_MAX

Definition at line 50 of file uprobes.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 58 of file uprobes.c.

Function Documentation

void arch_uprobe_abort_xol	(	struct arch_uprobe *	auprobe,
		struct pt_regs *	regs
	)

Definition at line 643 of file uprobes.c.

int arch_uprobe_analyze_insn	(	struct arch_uprobe *	auprobe,
		struct mm_struct *	mm,
		unsigned long	addr
	)

arch_uprobe_analyze_insn - instruction analysis including validity and fixups. : the probed address space. : the probepoint information. : virtual address at which to install the probepoint Return 0 on success or a -ve number on error.

Definition at line 422 of file uprobes.c.

void arch_uprobe_disable_step

(

struct arch_uprobe *

auprobe

)

Definition at line 693 of file uprobes.c.

void arch_uprobe_enable_step

(

struct arch_uprobe *

auprobe

)

Definition at line 680 of file uprobes.c.

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

Definition at line 610 of file uprobes.c.

int arch_uprobe_post_xol	(	struct arch_uprobe *	auprobe,
		struct pt_regs *	regs
	)

Definition at line 588 of file uprobes.c.

int arch_uprobe_pre_xol	(	struct arch_uprobe *	auprobe,
		struct pt_regs *	regs
	)

Definition at line 471 of file uprobes.c.

bool arch_uprobe_skip_sstep	(	struct arch_uprobe *	auprobe,
		struct pt_regs *	regs
	)

Definition at line 672 of file uprobes.c.

bool arch_uprobe_xol_was_trapped

(

struct task_struct *

t

)

Definition at line 556 of file uprobes.c.