summaryrefslogtreecommitdiffstats
path: root/contrib/llvm/tools/lldb/source/Target/StackFrameList.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Target/StackFrameList.cpp')
-rw-r--r--contrib/llvm/tools/lldb/source/Target/StackFrameList.cpp19
1 files changed, 11 insertions, 8 deletions
diff --git a/contrib/llvm/tools/lldb/source/Target/StackFrameList.cpp b/contrib/llvm/tools/lldb/source/Target/StackFrameList.cpp
index eaac361..631a77b 100644
--- a/contrib/llvm/tools/lldb/source/Target/StackFrameList.cpp
+++ b/contrib/llvm/tools/lldb/source/Target/StackFrameList.cpp
@@ -301,7 +301,7 @@ StackFrameList::GetFramesUpTo(uint32_t end_idx)
if (reg_ctx_sp)
{
- const bool success = unwinder->GetFrameInfoAtIndex(idx, cfa, pc);
+ const bool success = unwinder && unwinder->GetFrameInfoAtIndex(idx, cfa, pc);
// There shouldn't be any way not to get the frame info for frame 0.
// But if the unwinder can't make one, lets make one by hand with the
// SP as the CFA and see if that gets any further.
@@ -329,7 +329,7 @@ StackFrameList::GetFramesUpTo(uint32_t end_idx)
}
else
{
- const bool success = unwinder->GetFrameInfoAtIndex(idx, cfa, pc);
+ const bool success = unwinder && unwinder->GetFrameInfoAtIndex(idx, cfa, pc);
if (!success)
{
// We've gotten to the end of the stack.
@@ -451,14 +451,17 @@ StackFrameList::GetFramesUpTo(uint32_t end_idx)
{
if (end_idx < m_concrete_frames_fetched)
return;
-
- uint32_t num_frames = unwinder->GetFramesUpTo(end_idx);
- if (num_frames <= end_idx + 1)
+
+ if (unwinder)
{
- //Done unwinding.
- m_concrete_frames_fetched = UINT32_MAX;
+ uint32_t num_frames = unwinder->GetFramesUpTo(end_idx);
+ if (num_frames <= end_idx + 1)
+ {
+ //Done unwinding.
+ m_concrete_frames_fetched = UINT32_MAX;
+ }
+ m_frames.resize(num_frames);
}
- m_frames.resize(num_frames);
}
}
OpenPOWER on IntegriCloud