45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
|
#!/usr/bin/python
|
||
|
|
#
|
||
|
|
|
||
|
|
try:
|
||
|
|
import gdb
|
||
|
|
except ImportError as e:
|
||
|
|
raise ImportError("This script must be run in GDB: ", str(e))
|
||
|
|
import traceback
|
||
|
|
import sys
|
||
|
|
import os
|
||
|
|
sys.path.append(os.getcwd())
|
||
|
|
import common_helpers
|
||
|
|
|
||
|
|
|
||
|
|
class UsedSizeCommand (gdb.Command):
|
||
|
|
"""calc size of the memory used by the object"""
|
||
|
|
|
||
|
|
def __init__ (self):
|
||
|
|
super (UsedSizeCommand, self).__init__ ("usedsize", gdb.COMMAND_USER)
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def assign_value(cls, obj_name, value):
|
||
|
|
gdb.execute("set " + obj_name + " = " + str(value))
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def get_type(cls, obj_name):
|
||
|
|
return gdb.parse_and_eval(obj_name).type
|
||
|
|
|
||
|
|
def invoke(self, arg, from_tty):
|
||
|
|
try:
|
||
|
|
args = gdb.string_to_argv(arg)
|
||
|
|
obj = gdb.parse_and_eval(args[1])
|
||
|
|
obj_type = obj.type
|
||
|
|
print (args[1] + " is " + str(obj_type))
|
||
|
|
size = common_helpers.get_instance_size(obj)
|
||
|
|
UsedSizeCommand.assign_value(args[0], size)
|
||
|
|
print (size)
|
||
|
|
|
||
|
|
except Exception as e:
|
||
|
|
print(traceback.format_exc())
|
||
|
|
raise e
|
||
|
|
|
||
|
|
UsedSizeCommand()
|
||
|
|
|