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better implementation for findOutputSection

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llvm-svn: 172236
This commit is contained in:
Shankar Easwaran 2013-01-11 18:56:11 +00:00
parent f73d7a53ed
commit b1d09c07f1
1 changed files with 6 additions and 16 deletions
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22
lld/lib/ReaderWriter/ELF/WriterELF.cpp
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@ -1716,23 +1716,13 @@ public:
return error_code::success();
}
/// \biref Find an output Section given a section name.
///
/// \todo Make this not O(n). We can't use _mergedSectionMap because it
/// doesn't get virtual addresses set :(
Chunk<target_endianness, max_align, is64Bits> *
/// \brief Find an output Section given a section name.
MergedSections<target_endianness, max_align, is64Bits> *
findOutputSection(StringRef name) {
for (auto seg : _segments) {
for (auto sliceI = seg->slices_begin(),
sliceE = seg->slices_end(); sliceI != sliceE; ++sliceI) {
for (auto secI = (*sliceI)->sections_begin(),
secE = (*sliceI)->sections_end(); secI != secE; ++secI) {
if ((*secI)->name() == name)
return *secI;
}
}
}
return nullptr;
auto iter = _mergedSectionMap.find(name);
if (iter == _mergedSectionMap.end())
return nullptr;
return iter->second;
}
/// \brief find a absolute atom given a name