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import gdb
from teachos import format_size
class KapiMemoryChunkPrinter(gdb.ValuePrinter):
def __init__(self, val: gdb.Value, typename="chunk"):
self.__val = val
try:
self.__number = int(val["m_number"])
except gdb.error:
self.__number = "<number unreadable>"
try:
self.__size = int(gdb.parse_and_eval(f"{val.type.name}::size")["value"])
except gdb.error:
self.__size = "<size unreadable>"
self.__typename = typename
def to_string(self):
return f"{self.__typename} {self.__number} of size {format_size(self.__size)}"
def children(self):
yield ("number", self.__number)
yield ("size", self.__size)
def display_hint(self):
return None
class KapiMemoryFramePrinter(KapiMemoryChunkPrinter):
def __init__(self, val):
super().__init__(val, "frame")
class KapiMemoryPagePrinter(KapiMemoryChunkPrinter):
def __init__(self, val):
super().__init__(val, "page")
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