ptrace.c File Reference

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/errno.h>
#include <linux/ptrace.h>
#include <linux/user.h>
#include <linux/security.h>
#include <linux/signal.h>
#include <linux/tracehook.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include <asm/fpu.h>
#include "proto.h"

Go to the source code of this file.

Macros
#define	DEBUG   DBG_MEM
#define	DBG(fac, args)   {if ((fac) & DEBUG) printk args;}
#define	BREAKINST   0x00000080 /* call_pal bpt */
#define	PT_REG(reg)   (PAGE_SIZE*2 - sizeof(struct pt_regs) + offsetof(struct pt_regs, reg))
#define	SW_REG(reg)

Enumerations
enum	{ DBG_MEM = (1<<0), DBG_BPT = (1<<1), DBG_MEM_ALL = (1<<2) }
enum	{ REG_R0 = 0, REG_F0 = 32, REG_FPCR = 63, REG_PC = 64 }

Functions
int	ptrace_set_bpt (struct task_struct *child)
int	ptrace_cancel_bpt (struct task_struct *child)
void	user_enable_single_step (struct task_struct *child)
void	user_disable_single_step (struct task_struct *child)
void	ptrace_disable (struct task_struct *child)
long	arch_ptrace (struct task_struct *child, long request, unsigned long addr, unsigned long data)
asmlinkage unsigned long	syscall_trace_enter (void)
asmlinkage void	syscall_trace_leave (void)

Macro Definition Documentation

#define BREAKINST   0x00000080 /* call_pal bpt */

Definition at line 38 of file ptrace.c.

#define DBG	(		fac,
			args
	)		{if ((fac) & DEBUG) printk args;}

Definition at line 33 of file ptrace.c.

#define DEBUG   DBG_MEM

Definition at line 24 of file ptrace.c.

#define PT_REG

(

reg

)

(PAGE_SIZE*2 - sizeof(struct pt_regs) + offsetof(struct pt_regs, reg))

Definition at line 73 of file ptrace.c.

#define SW_REG

(

reg

)

Value:

(PAGE_SIZE*2 - sizeof(struct pt_regs) - sizeof(struct switch_stack) \
  + offsetof(struct switch_stack, reg))

Definition at line 76 of file ptrace.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

DBG_MEM
DBG_BPT
DBG_MEM_ALL

Definition at line 28 of file ptrace.c.

anonymous enum

Enumerator:

REG_R0
REG_F0
REG_FPCR
REG_PC

Definition at line 69 of file ptrace.c.

Function Documentation

long arch_ptrace	(	struct task_struct *	child,
		long	request,
		unsigned long	addr,
		unsigned long	data
	)

Definition at line 272 of file ptrace.c.

int ptrace_cancel_bpt

(

struct task_struct *

child

)

Definition at line 233 of file ptrace.c.

void ptrace_disable

(

struct task_struct *

child

)

Definition at line 267 of file ptrace.c.

int ptrace_set_bpt

(

struct task_struct *

child

)

Definition at line 174 of file ptrace.c.

asmlinkage unsigned long syscall_trace_enter

(

void

)

Definition at line 316 of file ptrace.c.

asmlinkage void syscall_trace_leave

(

void

)

Definition at line 326 of file ptrace.c.

void user_disable_single_step

(

struct task_struct *

child

)

Definition at line 257 of file ptrace.c.

void user_enable_single_step

(

struct task_struct *

child

)

Definition at line 251 of file ptrace.c.