debug: use gdb.ValuePrinter base class

2 files changed, 22 insertions, 10 deletions

diff --git a/kapi/gdb/address.py b/kapi/gdb/address.py
index 24fe681..429db1d 100644
--- a/kapi/gdb/address.py
+++ b/kapi/gdb/address.py
@@ -1,15 +1,14 @@
 import gdb
-from teachos import TeachOSBasePrinter
 
 
-class KapiMemoryAddressPrinter(TeachOSBasePrinter):
+class KapiMemoryAddressPrinter(gdb.ValuePrinter):
     def __init__(self, val):
-        super().__init__(val)
+        self.__val = val
         self.__type = val.type.template_argument(0)
 
     def to_string(self):
         try:
-            raw_address = int(self.value["m_value"])
+            raw_address = int(self.__val["m_value"])
             type_string = str(self.__type)
 
             if "linear" in type_string:
@@ -21,10 +20,12 @@ class KapiMemoryAddressPrinter(TeachOSBasePrinter):
 
             return f"{raw_address:#018x}{suffix}"
         except Exception as e:
-            return f"{self.value}: {e}"
+            return f"{self.__val}: {e}"
 
     def children(self):
         if "linear" in str(self.__type):
             pointer_type = gdb.lookup_type("std::byte").pointer()
-            yield ("[bytes]", self.value["m_value"].cast(pointer_type))
-        yield from super().children()
+            yield ("[bytes]", self.__val["m_value"].cast(pointer_type))
+
+    def display_hint(self):
+        return None
diff --git a/kapi/gdb/device.py b/kapi/gdb/device.py
index b655972..8e515ef 100644
--- a/kapi/gdb/device.py
+++ b/kapi/gdb/device.py
@@ -1,9 +1,20 @@
 import gdb
-from teachos import TeachOSBasePrinter
 
 
-class KapiDevicesDevicePrinter(TeachOSBasePrinter):
+class KapiDevicesDevicePrinter(gdb.ValuePrinter):
+    def __init__(self, val):
+        self.__val = val
+
     def to_string(self):
         return (
-            f"{self.value['m_name']} @ {self.value['m_major']}:{self.value['m_minor']}"
+            f"{self.__val['m_name']} @ {self.__val['m_major']}:{self.__val['m_minor']}"
         )
+
+    def children(self):
+        yield ("major", self.__val["m_major"])
+        yield ("minor", self.__val["m_minor"])
+        yield ("name", self.__val["m_name"])
+        yield ("parent", self.__val["m_parent"])
+
+    def display_hint(self):
+        return None