lunaix-os/scripts/gdb/lunadbg/symbols.py

   1 import gdb
   2 from enum import StrEnum
   3
   4 class SymbolDomain(StrEnum):
   5     DEBUG = "debug"
   6
   7 class LunaixSymbols:
   8     class SymbolAccesser:
   9         def __init__(self, sym) -> None:
  10             self.sym = f"({sym})"
  11             self.__sym = gdb.parse_and_eval(self.sym)
  12
  13         def deref_and_access(self, members):
  14             return gdb.parse_and_eval(f"{self.sym}->{members}")
  15
  16         def access(self, members):
  17             return gdb.parse_and_eval(f"{self.sym}.{members}")
  18
  19         def __getitem__(self, index):
  20             return self.__sym[index]
  21
  22         def value(self):
  23             return self.__sym
  24
  25     @staticmethod
  26     def exported(domain, namespace, sym_name):
  27         name = f"*__SYMEXPORT_Z{domain.value}_N{namespace}_S{sym_name}"
  28         return LunaixSymbols.SymbolAccesser(name)
  29
  30     @staticmethod
  31     def debug_sym(namespace, sym_name):
  32         name = f"*__SYMEXPORT_Z{SymbolDomain.DEBUG}_N{namespace}_S{sym_name}"
  33         return LunaixSymbols.SymbolAccesser(name)