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45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
#!/usr/bin/env python3
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#
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try:
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import gdb
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except ImportError as e:
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raise ImportError("This script must be run in GDB: ", str(e))
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import traceback
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import sys
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import os
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sys.path.append(os.getcwd())
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import common_helpers
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class UsedSizeCommand (gdb.Command):
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"""calc size of the memory used by the object"""
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def __init__ (self):
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super (UsedSizeCommand, self).__init__ ("usedsize", gdb.COMMAND_USER)
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@classmethod
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def assign_value(cls, obj_name, value):
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gdb.execute("set " + obj_name + " = " + str(value))
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@classmethod
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def get_type(cls, obj_name):
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return gdb.parse_and_eval(obj_name).type
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def invoke(self, arg, from_tty):
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try:
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args = gdb.string_to_argv(arg)
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obj = gdb.parse_and_eval(args[1])
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obj_type = obj.type
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print (args[1] + " is " + str(obj_type))
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size = common_helpers.get_instance_size(obj)
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UsedSizeCommand.assign_value(args[0], size)
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print (size)
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except Exception as e:
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print(traceback.format_exc())
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raise e
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UsedSizeCommand()
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