debug.h File Reference

debug functions More...

#include <types.h>

Classes
union	debug_register_dr6_t
	debug register dr6 More...
union	debug_register_dr7_t
	debug register dr7 More...

Macros
#define	___DEBUG_H   0
#define	DEBUG_REGISTER_DR6_DEFAULT_VALUE   0xFFFF0FF0
#define	DEBUG_REGISTER_DR7_DEFAULT_VALUE   0x00000400

Typedefs
typedef union debug_register_dr6_t	debug_register_dr6_t
	debug register dr6
typedef union debug_register_dr7_t	debug_register_dr7_t
	debug register dr7

Functions
int8_t	debug_init (void)
	initializes debug
uint64_t	debug_get_symbol_address (const char_t *function_name)
	gets function address by function name
void	debug_put_single_time_breakpoint_at_address (uint64_t address)
	puts 0xcc (int3) instruction to address
void	debug_remove_single_time_breakpoint_from_address (uint64_t address)
	removes 0xcc (int3) instruction from address
void	debug_put_breakpoint_at_symbol (const char_t *function_name)
	puts 0xcc (int3) instruction to function
void	debug_remove_breakpoint_from_symbol (const char_t *function_name)
	removes 0xcc (int3) instruction from function
uint8_t	debug_get_original_byte (uint64_t address)
	gets original byte from address
void	debug_revert_original_byte_at_address (uint64_t address)
	sets original byte to address
void	debug_put_debug_for_address (uint64_t address)
	sets dr0 to address and enables dr0
void	debug_remove_debug_for_address (uint64_t address)
	disables dr0
void	debug_put_debug_for_symbol (const char_t *function_name)
	sets dr0 to function and enables dr0

Detailed Description

debug functions

This work is licensed under TURNSTONE OS Public License. Please read and understand latest version of Licence.

Macro Definition Documentation

___DEBUG_H

#define ___DEBUG_H   0

Prevent multiple inclusion

Function Documentation

debug_get_original_byte()

uint8_t debug_get_original_byte

(

uint64_t

address

)

gets original byte from address

Parameters

address

address to get original byte

debug_get_symbol_address()

uint64_t debug_get_symbol_address

(

const char_t *

function_name

)

gets function address by function name

Parameters

function_name

function name

Returns

function address

debug_init()

int8_t debug_init

(

void

)

initializes debug

Returns

0 if success, -1 if error

debug_put_breakpoint_at_symbol()

void debug_put_breakpoint_at_symbol

(

const char_t *

function_name

)

puts 0xcc (int3) instruction to function

Parameters

function_name

function name to put breakpoint

debug_put_debug_for_address()

void debug_put_debug_for_address

(

uint64_t

address

)

sets dr0 to address and enables dr0

Parameters

address

address to set dr0

debug_put_debug_for_symbol()

void debug_put_debug_for_symbol

(

const char_t *

function_name

)

sets dr0 to function and enables dr0

Parameters

function_name

function name to set dr0

debug_put_single_time_breakpoint_at_address()

void debug_put_single_time_breakpoint_at_address

(

uint64_t

address

)

puts 0xcc (int3) instruction to address

Parameters

address

address to put breakpoint

debug_remove_breakpoint_from_symbol()

void debug_remove_breakpoint_from_symbol

(

const char_t *

function_name

)

removes 0xcc (int3) instruction from function

Parameters

function_name

function name to remove breakpoint

debug_remove_debug_for_address()

void debug_remove_debug_for_address

(

uint64_t

address

)

disables dr0

Parameters

address

address to disable dr0

debug_remove_single_time_breakpoint_from_address()

void debug_remove_single_time_breakpoint_from_address

(

uint64_t

address

)

removes 0xcc (int3) instruction from address

Parameters

address

address to remove breakpoint

debug_revert_original_byte_at_address()

void debug_revert_original_byte_at_address

(

uint64_t

address

)

sets original byte to address

Parameters

address

address to set original byte