lunaix-os/scripts/gdb/lunadbg/structs/thread.py

   1 import gdb
   2 from . import KernelStruct
   3 from .pcb import ProcInfo
   4 from .signal import SignalContext
   5
   6 class ThreadStruct(KernelStruct):
   7     def __init__(self, gdb_inferior: gdb.Value) -> None:
   8         super().__init__(gdb_inferior, ThreadStruct)
   9
  10         self.__sigctx = SignalContext(self._kstruct["sigctx"].address)
  11
  12     @staticmethod
  13     def get_type() -> gdb.Type:
  14         return gdb.lookup_type("struct thread").pointer()
  15
  16     def print_abstract(self, pp, *args):
  17         tid = self._kstruct['tid']
  18         pid = self._kstruct['process']['pid']
  19         thactive = self._kstruct['process']['th_active']
  20         state = ProcInfo.get_state(self._kstruct['state'])
  21
  22         notes = f"(acting, {state})" if thactive == self._kstruct else f"({state})"
  23         pp.print(f"Thread: tid={int(tid)}, pid={int(pid)}", notes)
  24
  25         self.__sigctx.print_abstract(pp.next_level())
  26
  27     def print_detailed(self, pp, *args):
  28         self.print_abstract(pp)
  29
  30         pp2 = pp.next_level()
  31         self.print_simple(pp2)
  32
  33         pp3 = pp2.next_level()
  34         pp2.print("Containing Process")
  35         pp3.print(ProcInfo(self._kstruct['process']))
  36
  37         self.__sigctx.print_detailed(pp2)
  38
  39
  40     def print_simple(self, pp, *args):
  41         pp2 = pp.next_level()
  42         pp2.print_field(self._kstruct, 'created', '+%dms')
  43         pp2.print_field(self._kstruct, 'syscall_ret')
  44         pp2.print_field(self._kstruct, 'exit_val')
  45         pp2.print_field(self._kstruct, 'kstack')
  46         self.__sigctx.print_simple(pp2)