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| author | Ulf Hermann <ulf.hermann@qt.io> | 2018-01-26 09:08:20 +0100 |
|---|---|---|
| committer | Ulf Hermann <ulf.hermann@qt.io> | 2018-01-26 13:11:13 +0000 |
| commit | 37b6fd17c306c13333cb3bc0ad0a0ad357e2fe85 (patch) | |
| tree | c1d4c996526673a2a924b9fb14499b721bbd9ae5 | |
| parent | d13a5eeded0f80ed88060e6a2e5b31ede849d572 (diff) | |
Don't try to unwind a stack if we fail to attach the dwflv4.6.2v4.6.1v4.6.0-rc1v4.6.0-beta1v4.6.04.6
Change-Id: I1039960a59354939b362019150ea67892d69aa81
Reviewed-by: Milian Wolff <milian.wolff@kdab.com>
| -rw-r--r-- | app/perfunwind.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/app/perfunwind.cpp b/app/perfunwind.cpp index 9680683..94b68ef 100644 --- a/app/perfunwind.cpp +++ b/app/perfunwind.cpp @@ -368,6 +368,9 @@ static int frameCallback(Dwfl_Frame *state, void *arg) void PerfUnwind::unwindStack() { Dwfl *dwfl = symbolTable(m_currentUnwind.sample->pid())->attachDwfl(&m_currentUnwind); + if (!dwfl) + return; + dwfl_getthread_frames(dwfl, m_currentUnwind.sample->pid(), frameCallback, &m_currentUnwind); if (m_currentUnwind.isInterworking) { QVector<qint32> savedFrames = m_currentUnwind.frames; |