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Add comment to InputSectionBase::File. 

This patch also moves declarations so that related declarations next
to each other.

llvm-svn: 315266
This commit is contained in:
Rui Ueyama 2017-10-10 03:22:29 +00:00
parent 339ddd1685
commit 124bedbd50
2 changed files with 18 additions and 21 deletions
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9
lld/ELF/InputSection.cpp
View File

@ -696,10 +696,6 @@ void InputSection::relocateNonAlloc(uint8_t *Buf, ArrayRef<RelTy> Rels) {
}
}
template <class ELFT> ObjFile<ELFT> *InputSectionBase::getFile() const {
return cast_or_null<ObjFile<ELFT>>(File);
}
template <class ELFT>
void InputSectionBase::relocate(uint8_t *Buf, uint8_t *BufEnd) {
if (Flags & SHF_ALLOC) {
@ -1031,11 +1027,6 @@ template void InputSection::writeTo<ELF32BE>(uint8_t *);
template void InputSection::writeTo<ELF64LE>(uint8_t *);
template void InputSection::writeTo<ELF64BE>(uint8_t *);
template ObjFile<ELF32LE> *InputSectionBase::getFile<ELF32LE>() const;
template ObjFile<ELF32BE> *InputSectionBase::getFile<ELF32BE>() const;
template ObjFile<ELF64LE> *InputSectionBase::getFile<ELF64LE>() const;
template ObjFile<ELF64BE> *InputSectionBase::getFile<ELF64BE>() const;
template MergeInputSection::MergeInputSection(ObjFile<ELF32LE> *,
const ELF32LE::Shdr *, StringRef);
template MergeInputSection::MergeInputSection(ObjFile<ELF32BE> *,

30
lld/ELF/InputSection.h
View File

@ -102,16 +102,6 @@ protected:
// This corresponds to a section of an input file.
class InputSectionBase : public SectionBase {
public:
static bool classof(const SectionBase *S) { return S->kind() != Output; }
// The file this section is from.
InputFile *File;
ArrayRef<uint8_t> Data;
uint64_t getOffsetInFile() const;
static InputSectionBase Discarded;
InputSectionBase()
: SectionBase(Regular, "", /*Flags*/ 0, /*Entsize*/ 0, /*Alignment*/ 0,
/*Type*/ 0,
@ -130,6 +120,22 @@ public:
uint32_t Alignment, ArrayRef<uint8_t> Data, StringRef Name,
Kind SectionKind);
static bool classof(const SectionBase *S) { return S->kind() != Output; }
// The file which contains this section. It's dynamic type is always
// ObjFile<ELFT>, but in order to avoid ELFT, we use InputFile as
// its static type.
InputFile *File;
template <class ELFT> ObjFile<ELFT> *getFile() const {
return cast_or_null<ObjFile<ELFT>>(File);
}
ArrayRef<uint8_t> Data;
uint64_t getOffsetInFile() const;
static InputSectionBase Discarded;
// Input sections are part of an output section. Special sections
// like .eh_frame and merge sections are first combined into a
// synthetic section that is then added to an output section. In all
@ -140,12 +146,14 @@ public:
const void *FirstRelocation = nullptr;
unsigned NumRelocations : 31;
unsigned AreRelocsRela : 1;
template <class ELFT> ArrayRef<typename ELFT::Rel> rels() const {
assert(!AreRelocsRela);
return llvm::makeArrayRef(
static_cast<const typename ELFT::Rel *>(FirstRelocation),
NumRelocations);
}
template <class ELFT> ArrayRef<typename ELFT::Rela> relas() const {
assert(AreRelocsRela);
return llvm::makeArrayRef(
@ -166,8 +174,6 @@ public:
// Returns the size of this section (even if this is a common or BSS.)
size_t getSize() const;
template <class ELFT> ObjFile<ELFT> *getFile() const;
InputSection *getLinkOrderDep() const;
void maybeUncompress();