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[ELF] Move SyntheticSection check from InputSection::writeTo to OutputSection::writeTo. NFC

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Simplify code and make the heavyweight operation to the call site so that it is
clearer how to improve the inefficient scheduling in the future.
This commit is contained in:
Fangrui Song
2022-02-27 23:28:51 -08:00
parent fd37d489cf
commit 4976d1fe58
2 changed files with 4 additions and 6 deletions
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5
lld/ELF/InputSection.cpp
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@@ -1213,11 +1213,6 @@ void InputSectionBase::adjustSplitStackFunctionPrologues(uint8_t *buf,
}
template <class ELFT> void InputSection::writeTo(uint8_t *buf) {
if (auto *s = dyn_cast<SyntheticSection>(this)) {
s->writeTo(buf);
return;
}
if (LLVM_UNLIKELY(type == SHT_NOBITS))
return;
// If -r or --emit-relocs is given, then an InputSection

5
lld/ELF/OutputSections.cpp
View File

@@ -431,7 +431,10 @@ template <class ELFT> void OutputSection::writeTo(uint8_t *buf) {
parallelForEachN(0, sections.size(), [&](size_t i) {
InputSection *isec = sections[i];
isec->writeTo<ELFT>(buf + isec->outSecOff);
if (auto *s = dyn_cast<SyntheticSection>(isec))
s->writeTo(buf + isec->outSecOff);
else
isec->writeTo<ELFT>(buf + isec->outSecOff);
// Fill gaps between sections.
if (nonZeroFiller) {