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Abbreviation declarations are required to have non-null tags. 

Treat a null tag as an error.

llvm-svn: 356284
This commit is contained in:
Zachary Turner 2019-03-15 18:00:43 +00:00
parent a70c9d49af
commit 98661d0221
1 changed files with 3 additions and 5 deletions
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8
lldb/source/Plugins/SymbolFile/DWARF/DWARFAbbreviationDeclaration.cpp
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@ -34,11 +34,9 @@ DWARFAbbreviationDeclaration::extract(const DWARFDataExtractor &data,
m_attributes.clear();
m_tag = data.GetULEB128(offset_ptr);
if (m_tag == DW_TAG_null) {
// FIXME: According to the DWARF spec this may actually be malformed.
// Should this return an error instead?
return DWARFEnumState::Complete;
}
if (m_tag == DW_TAG_null)
return llvm::make_error<llvm::object::GenericBinaryError>(
"abbrev decl requires non-null tag.");
m_has_children = data.GetU8(offset_ptr);