diff options
| -rw-r--r-- | lld/ELF/InputSection.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lld/ELF/InputSection.h b/lld/ELF/InputSection.h index d4dc9864ae9..24491a2e17c 100644 --- a/lld/ELF/InputSection.h +++ b/lld/ELF/InputSection.h @@ -93,6 +93,10 @@ InputSectionBase<ELFT> InputSectionBase<ELFT>::Discarded(nullptr, nullptr, InputSectionBase<ELFT>::Regular); +// Usually sections are copied to the output as atomic chunks of data, +// but some special types of sections are split into small pieces of data +// and each piece is copied to a different place in the output. +// This class represents such special sections. template <class ELFT> class SplitInputSection : public InputSectionBase<ELFT> { typedef typename llvm::object::ELFFile<ELFT>::Elf_Shdr Elf_Shdr; typedef typename llvm::object::ELFFile<ELFT>::uintX_t uintX_t; @@ -100,7 +104,11 @@ template <class ELFT> class SplitInputSection : public InputSectionBase<ELFT> { public: SplitInputSection(ObjectFile<ELFT> *File, const Elf_Shdr *Header, typename InputSectionBase<ELFT>::Kind SectionKind); + + // For each piece of data, we maintain the offsets in the input section and + // in the output section. The latter may be -1 if it is not assigned yet. std::vector<std::pair<uintX_t, uintX_t>> Offsets; + std::pair<std::pair<uintX_t, uintX_t> *, uintX_t> getRangeAndSize(uintX_t Offset); }; |
