diff options
Diffstat (limited to 'contrib/llvm-project/lld/ELF/InputSection.h')
-rw-r--r-- | contrib/llvm-project/lld/ELF/InputSection.h | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/contrib/llvm-project/lld/ELF/InputSection.h b/contrib/llvm-project/lld/ELF/InputSection.h index 2acb9f1a8832..5b91c1c90bd2 100644 --- a/contrib/llvm-project/lld/ELF/InputSection.h +++ b/contrib/llvm-project/lld/ELF/InputSection.h @@ -52,15 +52,15 @@ public: // this but instead this->Repl. SectionBase *repl; - unsigned sectionKind : 3; + uint8_t sectionKind : 3; // The next two bit fields are only used by InputSectionBase, but we // put them here so the struct packs better. - unsigned bss : 1; + uint8_t bss : 1; // Set for sections that should not be folded by ICF. - unsigned keepUnique : 1; + uint8_t keepUnique : 1; // The 1-indexed partition that this section is assigned to by the garbage // collector, or 0 if this section is dead. Normally there is only one @@ -134,6 +134,10 @@ public: // and shrinking a section. unsigned bytesDropped = 0; + // Whether the section needs to be padded with a NOP filler due to + // deleteFallThruJmpInsn. + bool nopFiller = false; + void drop_back(uint64_t num) { bytesDropped += num; } void push_back(uint64_t num) { @@ -210,17 +214,13 @@ public: // The native ELF reloc data type is not very convenient to handle. // So we convert ELF reloc records to our own records in Relocations.cpp. // This vector contains such "cooked" relocations. - std::vector<Relocation> relocations; - - // Indicates that this section needs to be padded with a NOP filler if set to - // true. - bool nopFiller = false; + SmallVector<Relocation, 0> relocations; // These are modifiers to jump instructions that are necessary when basic // block sections are enabled. Basic block sections creates opportunities to // relax jump instructions at basic block boundaries after reordering the // basic blocks. - std::vector<JumpInstrMod> jumpInstrMods; + SmallVector<JumpInstrMod, 0> jumpInstrMods; // A function compiled with -fsplit-stack calling a function // compiled without -fsplit-stack needs its prologue adjusted. Find @@ -314,7 +314,7 @@ struct EhSectionPiece { unsigned firstRelocation) : inputOff(off), sec(sec), size(size), firstRelocation(firstRelocation) {} - ArrayRef<uint8_t> data() { + ArrayRef<uint8_t> data() const { return {sec->data().data() + this->inputOff, size}; } @@ -390,6 +390,12 @@ private: template <class ELFT> void copyShtGroup(uint8_t *buf); }; +#ifdef _WIN32 +static_assert(sizeof(InputSection) <= 192, "InputSection is too big"); +#else +static_assert(sizeof(InputSection) <= 184, "InputSection is too big"); +#endif + inline bool isDebugSection(const InputSectionBase &sec) { return (sec.flags & llvm::ELF::SHF_ALLOC) == 0 && (sec.name.startswith(".debug") || sec.name.startswith(".zdebug")); |