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LibDebug: Implement support for AttributeDataForm::ImplicitConst

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While symbolicating a crash dump for UserspaceEmulator I came across
another data form we didn't support.

ImplicitConst encodes a LEB128 value in the abbreviation record
rather than - like all other values - in the .debug_info section.
This commit is contained in:
Gunnar Beutner 2021-04-29 00:51:54 +02:00 • committed by Andreas Kling
parent 278605cde6
commit 9bcdbe205b
6 changed files with 18 additions and 5 deletions
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4
Userland/Libraries/LibDebug/Dwarf/DIE.cpp
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@ -33,7 +33,7 @@ DIE::DIE(const CompilationUnit& unit, u32 offset)
// We iterate the attributes data only to calculate this DIE's size
for (auto& attribute_spec : abbreviation_info.value().attribute_specifications) {
m_compilation_unit.dwarf_info().get_attribute_value(attribute_spec.form, stream, &m_compilation_unit);
m_compilation_unit.dwarf_info().get_attribute_value(attribute_spec.form, attribute_spec.value, stream, &m_compilation_unit);
}
}
m_size = stream.offset() - m_offset;
@ -48,7 +48,7 @@ Optional<AttributeValue> DIE::get_attribute(const Attribute& attribute) const
VERIFY(abbreviation_info.has_value());
for (const auto& attribute_spec : abbreviation_info.value().attribute_specifications) {
auto value = m_compilation_unit.dwarf_info().get_attribute_value(attribute_spec.form, stream, &m_compilation_unit);
auto value = m_compilation_unit.dwarf_info().get_attribute_value(attribute_spec.form, attribute_spec.value, stream, &m_compilation_unit);
if (attribute_spec.attribute == attribute) {
return value;
}