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Revert "Revert "Compact InputSectionData from 64 to 48 bytes. NFC."" 

This reverts commit r281096.

The previous link errors should be fixed by r281208.

llvm-svn: 281209
This commit is contained in:
Rafael Espindola 2016-09-12 13:06:10 +00:00
parent 74941239d8
commit 54f1614ec1
2 changed files with 9 additions and 5 deletions
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9
lld/ELF/InputSection.cpp
View File

@ -50,8 +50,8 @@ template <class ELFT> size_t InputSectionBase<ELFT>::getSize() const {
template <class ELFT>
ArrayRef<uint8_t> InputSectionBase<ELFT>::getSectionData() const {
if (Compressed)
return ArrayRef<uint8_t>((const uint8_t *)Uncompressed.data(),
Uncompressed.size());
return ArrayRef<uint8_t>((const uint8_t *)UncompressedData.get(),
UncompressedDataSize);
return check(this->File->getObj().getSectionContents(this->Header));
}
@ -106,7 +106,10 @@ template <class ELFT> void InputSectionBase<ELFT>::uncompress() {
fatal(getName(this) + ": unsupported compression type");
StringRef Buf((const char *)Data.data(), Data.size());
if (zlib::uncompress(Buf, Uncompressed, Hdr->ch_size) != zlib::StatusOK)
UncompressedDataSize = Hdr->ch_size;
UncompressedData.reset(new char[UncompressedDataSize]);
if (zlib::uncompress(Buf, UncompressedData.get(), UncompressedDataSize) !=
zlib::StatusOK)
fatal(getName(this) + ": error uncompressing section");
}

5
lld/ELF/InputSection.h
View File

@ -61,8 +61,9 @@ public:
StringRef Name;
// If a section is compressed, this vector has uncompressed section data.
SmallVector<char, 0> Uncompressed;
// If a section is compressed, this has the uncompressed section data.
std::unique_ptr<char[]> UncompressedData;
size_t UncompressedDataSize = 0;
std::vector<Relocation> Relocations;
};