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LibELF: Remove sketchy use of "undefined" ELF::Image::Section

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We were using ELF::Image::section(0) to indicate the "undefined"
section, when what we really wanted was just Optional<Section>.

So let's use Optional instead. :^)
This commit is contained in:
Andreas Kling 2021-05-15 00:13:44 +02:00
parent f70d0f03de
commit 16221305ad
6 changed files with 18 additions and 19 deletions
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4
Userland/Libraries/LibDebug/DebugInfo.cpp
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@ -79,10 +79,10 @@ void DebugInfo::parse_scopes_impl(const Dwarf::DIE& die)
void DebugInfo::prepare_lines()
{
auto section = elf().lookup_section(".debug_line");
if (section.is_undefined())
if (!section.has_value())
return;
InputMemoryStream stream { section.bytes() };
InputMemoryStream stream { section->bytes() };
Vector<Dwarf::LineProgram::LineInfo> all_lines;
while (!stream.eof()) {

4
Userland/Libraries/LibDebug/Dwarf/DwarfInfo.cpp
View file

@ -24,9 +24,9 @@ DwarfInfo::DwarfInfo(const ELF::Image& elf)
ReadonlyBytes DwarfInfo::section_data(const String& section_name) const
{
auto section = m_elf.lookup_section(section_name);
if (section.is_undefined())
if (!section.has_value())
return {};
return section.bytes();
return section->bytes();
}
void DwarfInfo::populate_compilation_units()