machinarium-gdb.py: fix mmcoro cache (#640)

It is necessarry to invalidate frames cache after mmcoro command. Signed-off-by: Roman Khapov <[email protected]> Co-authored-by: Roman Khapov <[email protected]>
yandex · Jul 29, 2024 · a9339c1 · a9339c1
1 parent 46de978
commit a9339c1
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/third_party/machinarium/gdb/machinarium-gdb.py b/third_party/machinarium/gdb/machinarium-gdb.py
@@ -451,11 +451,14 @@ def _execute_in_coroutine_context(self, thread: gdb.InferiorThread, coroutine: g
         # However, this will cause the first frame to be the frame of the current thread.
         # And then we unwides to the coroutine context.
         # Therefore, we should use a frame filter to skip the first frame.
-        with mm_first_frame_skip.enabled_filter():
-            regs = mm_get_context_registers_for_coroutine_x64(coroutine)
-            mm_context_selector.target_to(regs)
+        try:
+            with mm_first_frame_skip.enabled_filter():
+                regs = mm_get_context_registers_for_coroutine_x64(coroutine)
+                mm_context_selector.target_to(regs)
+                gdb.invalidate_cached_frames()
+                gdb.execute(gdbcmd)
+        finally:
             gdb.invalidate_cached_frames()
-            gdb.execute(gdbcmd)
 
     def invoke(self, args, is_tty):
         if gdb_get_current_platform() != 'i386:x86-64':