[dwarfdump] Verify that CUs have a unit DIE.
This patch adds a check to the DWARF verifier to detect CUs without a
unit DIE.
Differential revision: https://reviews.llvm.org/D38363
llvm-svn: 314426
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp b/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp
index 096d5ff..eadb982 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFVerifier.cpp
@@ -179,9 +179,14 @@
}
}
- DieRangeInfo RI;
- DWARFDie Die = Unit.getUnitDIE(/* ExtractUnitDIEOnly = */ false);
- NumUnitErrors += verifyDieRanges(Die, RI);
+ if (DWARFDie Die = Unit.getUnitDIE(/* ExtractUnitDIEOnly = */ false)) {
+ DieRangeInfo RI;
+ NumUnitErrors += verifyDieRanges(Die, RI);
+ } else {
+ OS << "error: Compilation unit without unit DIE.\n";
+ NumUnitErrors++;
+ }
+
return NumUnitErrors == 0;
}