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If RunThreadPlan is called on a thread that doesn't have a selected frame, select frame 0.

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<rdar://problem/13093321>

llvm-svn: 175573
This commit is contained in:
Jim Ingham
2013-02-19 23:22:45 +00:00
parent 2139795dfa
commit 11b0e05490
1 changed files with 13 additions and 1 deletions
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14
lldb/source/Target/Process.cpp
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@@ -4469,7 +4469,19 @@ Process::RunThreadPlan (ExecutionContext &exe_ctx,
// 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.