ptrace.h File Reference

#include <uapi/asm/ptrace.h>
#include <asm-generic/ptrace.h>
#include <linux/stddef.h>
#include <linux/thread_info.h>

Go to the source code of this file.

Macros
#define	STACK_FRAME_OVERHEAD   16 /* size of minimum stack frame */
#define	STACK_FRAME_LR_SAVE   1 /* Location of LR in stack frame */
#define	STACK_FRAME_REGS_MARKER   ASM_CONST(0x72656773)
#define	STACK_INT_FRAME_SIZE   (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD)
#define	STACK_FRAME_MARKER   2
#define	__SIGNAL_FRAMESIZE   64
#define	GET_IP(regs)   ((regs)->nip)
#define	GET_USP(regs)   ((regs)->gpr[1])
#define	GET_FP(regs)   (0)
#define	SET_FP(regs, val)
#define	kernel_stack_pointer(regs)   ((regs)->gpr[1])
#define	user_mode(regs)   (((regs)->msr & MSR_PR) != 0)
#define	force_successful_syscall_return()
#define	current_pt_regs()   ((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1)
#define	FULL_REGS(regs)   (((regs)->trap & 1) == 0)
#define	IS_CRITICAL_EXC(regs)   (((regs)->trap & 2) != 0)
#define	IS_MCHECK_EXC(regs)   (((regs)->trap & 4) != 0)
#define	IS_DEBUG_EXC(regs)   (((regs)->trap & 8) != 0)
#define	TRAP(regs)   ((regs)->trap & ~0xF)
#define	NV_REG_POISON   0xdeadbeef
#define	CHECK_FULL_REGS(regs)
#define	arch_has_single_step()   (1)
#define	arch_has_block_step()   (!cpu_has_feature(CPU_FTR_601))
#define	ARCH_HAS_USER_SINGLE_STEP_INFO
#define	MAX_REG_OFFSET   (offsetof(struct pt_regs, dsisr))

Functions
unsigned long	ptrace_get_reg (struct task_struct *task, int regno)
int	ptrace_put_reg (struct task_struct *task, int regno, unsigned long data)
int	regs_query_register_offset (const char *name)
const char *	regs_query_register_name (unsigned int offset)

Macro Definition Documentation

#define __SIGNAL_FRAMESIZE   64

Definition at line 51 of file ptrace.h.

#define arch_has_block_step

(

)

(!cpu_has_feature(CPU_FTR_601))

Definition at line 128 of file ptrace.h.

#define arch_has_single_step

(

)

(1)

Definition at line 127 of file ptrace.h.

#define ARCH_HAS_USER_SINGLE_STEP_INFO

Definition at line 129 of file ptrace.h.

#define CHECK_FULL_REGS

(

regs

)

Value:

do {                                          \
    if ((regs)->trap & 1)                             \
        printk(KERN_CRIT "%s: partial register set\n", __func__); \
} while (0)

Definition at line 120 of file ptrace.h.

#define current_pt_regs

(

)

((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1)

Definition at line 99 of file ptrace.h.

#define force_successful_syscall_return

(

)

Value:

do { \
        set_thread_flag(TIF_NOERROR); \
    } while(0)

Definition at line 89 of file ptrace.h.

#define FULL_REGS

(

regs

)

(((regs)->trap & 1) == 0)

Definition at line 108 of file ptrace.h.

#define GET_FP

(

regs

)

(0)

Definition at line 59 of file ptrace.h.

#define GET_IP

(

regs

)

((regs)->nip)

Definition at line 57 of file ptrace.h.

#define GET_USP

(

regs

)

((regs)->gpr[1])

Definition at line 58 of file ptrace.h.

#define IS_CRITICAL_EXC

(

regs

)

(((regs)->trap & 2) != 0)

Definition at line 110 of file ptrace.h.

#define IS_DEBUG_EXC

(

regs

)

(((regs)->trap & 8) != 0)

Definition at line 112 of file ptrace.h.

#define IS_MCHECK_EXC

(

regs

)

(((regs)->trap & 4) != 0)

Definition at line 111 of file ptrace.h.

#define kernel_stack_pointer

(

regs

)

((regs)->gpr[1])

Definition at line 69 of file ptrace.h.

#define MAX_REG_OFFSET   (offsetof(struct pt_regs, dsisr))

Definition at line 139 of file ptrace.h.

#define NV_REG_POISON   0xdeadbeef

Definition at line 119 of file ptrace.h.

#define SET_FP	(		regs,
			val
	)

Definition at line 60 of file ptrace.h.

#define STACK_FRAME_LR_SAVE   1 /* Location of LR in stack frame */

Definition at line 45 of file ptrace.h.

#define STACK_FRAME_MARKER   2

Definition at line 48 of file ptrace.h.

#define STACK_FRAME_OVERHEAD   16 /* size of minimum stack frame */

Definition at line 44 of file ptrace.h.

#define STACK_FRAME_REGS_MARKER   ASM_CONST(0x72656773)

Definition at line 46 of file ptrace.h.

#define STACK_INT_FRAME_SIZE   (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD)

Definition at line 47 of file ptrace.h.

#define TRAP

(

regs

)

((regs)->trap & ~0xF)

Definition at line 114 of file ptrace.h.

#define user_mode

(

regs

)

(((regs)->msr & MSR_PR) != 0)

Definition at line 86 of file ptrace.h.

Function Documentation

unsigned long ptrace_get_reg	(	struct task_struct *	task,
		int	regno
	)

Definition at line 195 of file ptrace.c.

int ptrace_put_reg	(	struct task_struct *	task,
		int	regno,
		unsigned long	data
	)

Definition at line 212 of file ptrace.c.

const char* regs_query_register_name

(

unsigned int

offset

)

regs_query_register_name() - query register name from its offset : the offset of a register in struct pt_regs.

regs_query_register_name() returns the name of a register from its offset in struct pt_regs. If the is invalid, this returns NULL;

Definition at line 116 of file ptrace.c.

int regs_query_register_offset

(

const char *

name

)

Definition at line 100 of file ptrace.c.