diff options
Diffstat (limited to 'lld/ELF/InputSection.cpp')
| -rw-r--r-- | lld/ELF/InputSection.cpp | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/lld/ELF/InputSection.cpp b/lld/ELF/InputSection.cpp index a2b3e642e55..6ce31cf2d53 100644 --- a/lld/ELF/InputSection.cpp +++ b/lld/ELF/InputSection.cpp @@ -88,6 +88,12 @@ InputSectionBase::InputSectionBase(InputFile *File, uint64_t Flags, : SectionBase(SectionKind, Name, Flags, Entsize, Alignment, Type, Info, Link), File(File), Data(Data) { + // In order to reduce memory allocation, we assume that mergeable + // sections are smaller than 4 GiB, which is not an unreasonable + // assumption as of 2017. + if (SectionKind == SectionBase::Merge && Data.size() > UINT32_MAX) + error(toString(this) + ": section too large"); + NumRelocations = 0; AreRelocsRela = false; @@ -911,13 +917,13 @@ template <class ELFT> MergeInputSection::MergeInputSection(ObjFile<ELFT> *F, const typename ELFT::Shdr *Header, StringRef Name) - : InputSectionBase(F, Header, Name, InputSectionBase::Merge) { - // In order to reduce memory allocation, we assume that mergeable - // sections are smaller than 4 GiB, which is not an unreasonable - // assumption as of 2017. - if (Data.size() > UINT32_MAX) - error(toString(this) + ": section too large"); -} + : InputSectionBase(F, Header, Name, InputSectionBase::Merge) {} + +MergeInputSection::MergeInputSection(uint64_t Flags, uint32_t Type, + uint64_t Entsize, ArrayRef<uint8_t> Data, + StringRef Name) + : InputSectionBase(nullptr, Flags, Type, Entsize, /*Link*/ 0, /*Info*/ 0, + /*Alignment*/ Entsize, Data, Name, SectionBase::Merge) {} // This function is called after we obtain a complete list of input sections // that need to be linked. This is responsible to split section contents |
