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[ELF] Reduce memory usage a bit

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This commit is contained in:
Rui Ueyama 2022-03-03 10:28:23 +09:00
parent 86b142e555
commit 8714b78d48
1 changed files with 9 additions and 2 deletions
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11
elf/input-files.cc
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@ -599,12 +599,19 @@ void ObjectFile<E>::initialize_mergeable_sections(Context<E> &ctx) {
template <typename E>
void ObjectFile<E>::register_section_pieces(Context<E> &ctx) {
for (std::unique_ptr<MergeableSection<E>> &m : mergeable_sections)
if (m)
for (std::unique_ptr<MergeableSection<E>> &m : mergeable_sections) {
if (m) {
m->fragments.reserve(m->strings.size());
for (i64 i = 0; i < m->strings.size(); i++)
m->fragments.push_back(m->parent->insert(m->strings[i], m->hashes[i],
m->p2align));
// Shrink vectors that we will never use again to reclaim memory.
m->strings.clear();
m->hashes.clear();
}
}
// Initialize rel_fragments
for (std::unique_ptr<InputSection<E>> &isec : sections) {
if (!isec || !isec->is_alive || !(isec->shdr().sh_flags & SHF_ALLOC))