If RunThreadPlan is called on a thread that doesn't have a selected frame, select frame 0.
<rdar://problem/13093321>
git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@175573 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Target/Process.cpp b/source/Target/Process.cpp
index 036da88..8b83ee6 100644
--- a/source/Target/Process.cpp
+++ b/source/Target/Process.cpp
@@ -4469,7 +4469,19 @@
// Save the thread & frame from the exe_ctx for restoration after we run
const uint32_t thread_idx_id = thread->GetIndexID();
- StackID ctx_frame_id = thread->GetSelectedFrame()->GetStackID();
+ StackFrameSP selected_frame_sp = thread->GetSelectedFrame();
+ if (!selected_frame_sp)
+ {
+ thread->SetSelectedFrame(0);
+ selected_frame_sp = thread->GetSelectedFrame();
+ if (!selected_frame_sp)
+ {
+ errors.Printf("RunThreadPlan called without a selected frame on thread %d", thread_idx_id);
+ return eExecutionSetupError;
+ }
+ }
+
+ StackID ctx_frame_id = selected_frame_sp->GetStackID();
// N.B. Running the target may unset the currently selected thread and frame. We don't want to do that either,
// so we should arrange to reset them as well.