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LibELF: Make symbol lookup functions return Optional<Symbol>
It was very confusing how these functions used the "undefined" state of Symbol to signal lookup failure. Let's use Optional<T> to make things a bit more understandable.
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3 changed files with 24 additions and 24 deletions
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@ -219,16 +219,16 @@ public:
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}
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}
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Symbol lookup_symbol(const StringView& name) const;
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Optional<Symbol> lookup_symbol(const StringView& name) const;
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private:
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static u32 calculate_elf_hash(const StringView& name);
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static u32 calculate_gnu_hash(const StringView& name);
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DynamicObject::Symbol lookup_elf_symbol(const StringView& name) const;
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DynamicObject::Symbol lookup_gnu_symbol(const StringView& name) const;
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Optional<Symbol> lookup_elf_symbol(const StringView& name) const;
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Optional<Symbol> lookup_gnu_symbol(const StringView& name) const;
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typedef DynamicObject::Symbol (HashSection::*LookupFunction)(const StringView&) const;
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typedef Optional<Symbol> (HashSection::*LookupFunction)(const StringView&) const;
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LookupFunction m_lookup_function {};
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};
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