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LibELF: Don't build barely-used section lookup table in ELF::Image
The name-to-section lookup table was only used in a handful of places, and none of them were calling it nearly enough to justify building a cache for it in the first place. So let's get rid of it and reduce startup time by a little bit. :^)
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2 changed files with 6 additions and 12 deletions
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@ -186,12 +186,6 @@ bool Image::parse()
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}
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}
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// Then create a name-to-index map.
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for (unsigned i = 0; i < section_count(); ++i) {
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auto section = this->section(i);
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m_sections.set(section.name(), move(i));
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}
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return m_valid;
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}
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@ -298,8 +292,11 @@ Image::RelocationSection Image::Section::relocations() const
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Image::Section Image::lookup_section(const String& name) const
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{
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ASSERT(m_valid);
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if (auto it = m_sections.find(name); it != m_sections.end())
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return section((*it).value);
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for (unsigned i = 0; i < section_count(); ++i) {
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auto section = this->section(i);
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if (section.name() == name)
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return section;
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}
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return section(0);
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}
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