Support to multi-threading and pthread interface (POSIX.1-2008) (#23)

[lunaix-os.git] / lunaix-os / scripts / gdb / lunadbg / structs / thread.py

diff --git a/lunaix-os/scripts/gdb/lunadbg/structs/thread.py b/lunaix-os/scripts/gdb/lunadbg/structs/thread.py
new file mode 100644 (file)
index 0000000..267e714
--- /dev/null
+++ b/lunaix-os/scripts/gdb/lunadbg/structs/thread.py
@@ -0,0 +1,46 @@
+import gdb
+from . import KernelStruct
+from .pcb import ProcInfo
+from .signal import SignalContext
+
+class ThreadStruct(KernelStruct):
+    def __init__(self, gdb_inferior: gdb.Value) -> None:
+        super().__init__(gdb_inferior, ThreadStruct)
+
+        self.__sigctx = SignalContext(self._kstruct["sigctx"].address)
+
+    @staticmethod
+    def get_type() -> gdb.Type:
+        return gdb.lookup_type("struct thread").pointer()
+    
+    def print_abstract(self, pp, *args):
+        tid = self._kstruct['tid']
+        pid = self._kstruct['process']['pid']
+        thactive = self._kstruct['process']['th_active']
+        state = ProcInfo.get_state(self._kstruct['state'])
+
+        notes = f"(acting, {state})" if thactive == self._kstruct else f"({state})"
+        pp.print(f"Thread: tid={int(tid)}, pid={int(pid)}", notes)
+
+        self.__sigctx.print_abstract(pp.next_level())
+    
+    def print_detailed(self, pp, *args):
+        self.print_abstract(pp)
+
+        pp2 = pp.next_level()
+        self.print_simple(pp2)
+
+        pp3 = pp2.next_level()
+        pp2.print("Containing Process")
+        pp3.print(ProcInfo(self._kstruct['process']))
+
+        self.__sigctx.print_detailed(pp2)
+
+    
+    def print_simple(self, pp, *args):
+        pp2 = pp.next_level()
+        pp2.print_field(self._kstruct, 'created', '+%dms')
+        pp2.print_field(self._kstruct, 'syscall_ret')
+        pp2.print_field(self._kstruct, 'exit_val')
+        pp2.print_field(self._kstruct, 'kstack')
+        self.__sigctx.print_simple(pp2)