debug: add page and frame formatters

6 files changed, 53 insertions, 2 deletions

diff --git a/kapi/gdb/__init__.py b/kapi/gdb/__init__.py
index ce95628..afb68f8 100644
--- a/kapi/gdb/__init__.py
+++ b/kapi/gdb/__init__.py
@@ -1,7 +1,7 @@
 import gdb.printing
 
-from .address import KapiMemoryAddressPrinter
-from .device import KapiDevicesDevicePrinter
+from .memory import *
+from .devices import *
 
 
 def build_pretty_printers():
@@ -10,6 +10,11 @@ def build_pretty_printers():
         "kapi_memory_address", "^kapi::memory::address<.*>$", KapiMemoryAddressPrinter
     )
     pp.add_printer(
+        "kapi_memory_chunk", "^kapi::memory::chunk<.*>$", KapiMemoryChunkPrinter
+    )
+    pp.add_printer("kapi_memory_frame", "^kapi::memory::frame$", KapiMemoryFramePrinter)
+    pp.add_printer("kapi_memory_page", "^kapi::memory::page$", KapiMemoryPagePrinter)
+    pp.add_printer(
         "kapi_devices_device", "^kapi::devices::device$", KapiDevicesDevicePrinter
     )
     return pp
diff --git a/kapi/gdb/devices/__init__.py b/kapi/gdb/devices/__init__.py
new file mode 100644
index 0000000..3bab1ea
--- /dev/null
+++ b/kapi/gdb/devices/__init__.py
@@ -0,0 +1 @@
+from .device import KapiDevicesDevicePrinter
diff --git a/kapi/gdb/device.py b/kapi/gdb/devices/device.py
index 8e515ef..8e515ef 100644
--- a/kapi/gdb/device.py
+++ b/kapi/gdb/devices/device.py
diff --git a/kapi/gdb/memory/__init__.py b/kapi/gdb/memory/__init__.py
new file mode 100644
index 0000000..2aa6564
--- /dev/null
+++ b/kapi/gdb/memory/__init__.py
@@ -0,0 +1,4 @@
+from .address import KapiMemoryAddressPrinter
+from .chunk import KapiMemoryFramePrinter
+from .chunk import KapiMemoryPagePrinter
+from .chunk import KapiMemoryChunkPrinter
diff --git a/kapi/gdb/address.py b/kapi/gdb/memory/address.py
index 429db1d..429db1d 100644
--- a/kapi/gdb/address.py
+++ b/kapi/gdb/memory/address.py
diff --git a/kapi/gdb/memory/chunk.py b/kapi/gdb/memory/chunk.py
new file mode 100644
index 0000000..74b1407
--- /dev/null
+++ b/kapi/gdb/memory/chunk.py
@@ -0,0 +1,41 @@
+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")