diff options
| author | Ulf Hermann <ulf.hermann@qt.io> | 2017-05-05 13:59:11 +0200 |
|---|---|---|
| committer | Ulf Hermann <ulf.hermann@qt.io> | 2017-05-05 13:06:05 +0000 |
| commit | e201fcd6146e1dba2a4c90623fdeea39abda2389 (patch) | |
| tree | f1bd9ca504a4bc9fa540f64270c96b06a6d718f1 | |
| parent | 2549d1b3224bdca399837b5b9c7dfc40857f8bac (diff) | |
Don't dwfl_addrmodule with a nullptr Dwflv4.3.1v4.3.0-rc1v4.3.04.3
The result is undefined as dwfl_addrsegment doesn't set mod then.
Change-Id: I3c08519726b8c136e7c24cfc89c34ffc78689619
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
| -rw-r--r-- | app/perfsymboltable.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/app/perfsymboltable.cpp b/app/perfsymboltable.cpp index 9516283..0ddbe56 100644 --- a/app/perfsymboltable.cpp +++ b/app/perfsymboltable.cpp @@ -61,7 +61,8 @@ static bool accessDsoMem(Dwfl *dwfl, const PerfUnwind::UnwindInfo *ui, Dwarf_Add Dwarf_Word *result) { // TODO: Take the pgoff into account? Or does elf_getdata do that already? - Dwfl_Module *mod = dwfl_addrmodule(dwfl, addr); + Dwfl_Module *mod = dwfl ? dwfl_addrmodule(dwfl, addr) : nullptr; + if (!mod) { mod = ui->unwind->reportElf(addr, ui->sample->pid(), ui->sample->time()); if (!mod) |