debug.64.c File Reference

debug implementation More...

#include <debug.h>
#include <hashmap.h>
#include <memory.h>
#include <logging.h>
#include <systeminfo.h>
#include <linker.h>
#include <memory/paging.h>

Classes
struct	debug_breakpoint_t

Typedefs
typedef enum debug_breakpoint_type_t	debug_breakpoint_type_t
typedef struct debug_breakpoint_t	debug_breakpoint_t

Enumerations
enum	debug_breakpoint_type_t { DEBUG_BREAKPOINT_TYPE_SINGLE_TIME }

Functions
	MODULE ("turnstone.lib")
static const char_t *	debug_get_symbol_name_by_symbol_name_offset (uint64_t symbol_name_offset)
int8_t	debug_init (void)
	initializes debug
uint64_t	debug_get_symbol_address (const char_t *symbol_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 *symbol_name)
	puts 0xcc (int3) instruction to function
void	debug_remove_breakpoint_from_symbol (const char_t *symbol_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_put_debug_for_symbol (const char_t *symbol_name)
	sets dr0 to function and enables dr0
void	debug_remove_debug_for_address (uint64_t address)
	disables dr0

Variables
hashmap_t *	debug_location_map = NULL
hashmap_t *	debug_symbol_map = NULL

Detailed Description

debug implementation

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

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