fix ptmalloc2 commands: arena, tcache (#2729)

pwndbg/aglib/heap/structs.py

@@ -155,7 +155,7 @@ class CStruct2GDB:
     def __eq__(self, other: Any) -> bool:
         return self.address == int(other)
 
-    def __str__(self) -> str:
+    def value_to_human_readable(self) -> str:
         """
         Returns a string representation of the C struct like `pwndbg.dbg_mod.Value` does.
         """

pwndbg/commands/ptmalloc2.py

@@ -292,7 +292,7 @@ def arena(addr: int | None = None) -> None:
             )
         )
 
-    print(arena._gdbValue)  # Breaks encapsulation, find a better way.
+    print(arena._gdbValue.value_to_human_readable())  # Breaks encapsulation, find a better way.
 
 
 parser = argparse.ArgumentParser(description="List this process's arenas.")
@@ -382,13 +382,13 @@ def tcache(addr: int | None = None) -> None:
     if tcache:
         print(
             message.notice(
-                f"tcache is pointing to: {message.hint(hex(tcache.address))} for thread {message.hint(tid)}"
+                f"tcache is pointing to: {message.hint(hex(int(tcache.address)))} for thread {message.hint(tid)}"
             )
         )
     else:
         print_no_tcache_bins_found_error(tid)
     if tcache:
-        print(tcache)
+        print(tcache.value_to_human_readable())
 
 
 parser = argparse.ArgumentParser(description="Print the mp_ struct's contents.")