diff options
Diffstat (limited to 'contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h')
| -rw-r--r-- | contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h | 133 |
1 files changed, 55 insertions, 78 deletions
diff --git a/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h b/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h index 3adf827..59fdfbe 100644 --- a/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h +++ b/contrib/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldELF.h @@ -20,70 +20,46 @@ using namespace llvm; namespace llvm { - namespace { - // Helper for extensive error checking in debug builds. - error_code Check(error_code Err) { - if (Err) { - report_fatal_error(Err.message()); - } - return Err; +// Helper for extensive error checking in debug builds. +std::error_code Check(std::error_code Err) { + if (Err) { + report_fatal_error(Err.message()); } + return Err; +} } // end anonymous namespace class RuntimeDyldELF : public RuntimeDyldImpl { - void resolveRelocation(const SectionEntry &Section, - uint64_t Offset, - uint64_t Value, - uint32_t Type, - int64_t Addend, - uint64_t SymOffset=0); - - void resolveX86_64Relocation(const SectionEntry &Section, - uint64_t Offset, - uint64_t Value, - uint32_t Type, - int64_t Addend, + void resolveRelocation(const SectionEntry &Section, uint64_t Offset, + uint64_t Value, uint32_t Type, int64_t Addend, + uint64_t SymOffset = 0); + + void resolveX86_64Relocation(const SectionEntry &Section, uint64_t Offset, + uint64_t Value, uint32_t Type, int64_t Addend, uint64_t SymOffset); - void resolveX86Relocation(const SectionEntry &Section, - uint64_t Offset, - uint32_t Value, - uint32_t Type, - int32_t Addend); - - void resolveAArch64Relocation(const SectionEntry &Section, - uint64_t Offset, - uint64_t Value, - uint32_t Type, - int64_t Addend); - - void resolveARMRelocation(const SectionEntry &Section, - uint64_t Offset, - uint32_t Value, - uint32_t Type, - int32_t Addend); - - void resolveMIPSRelocation(const SectionEntry &Section, - uint64_t Offset, - uint32_t Value, - uint32_t Type, - int32_t Addend); - - void resolvePPC64Relocation(const SectionEntry &Section, - uint64_t Offset, - uint64_t Value, - uint32_t Type, - int64_t Addend); - - void resolveSystemZRelocation(const SectionEntry &Section, - uint64_t Offset, - uint64_t Value, - uint32_t Type, - int64_t Addend); - - unsigned getMaxStubSize() { - if (Arch == Triple::aarch64) + void resolveX86Relocation(const SectionEntry &Section, uint64_t Offset, + uint32_t Value, uint32_t Type, int32_t Addend); + + void resolveAArch64Relocation(const SectionEntry &Section, uint64_t Offset, + uint64_t Value, uint32_t Type, int64_t Addend); + + void resolveARMRelocation(const SectionEntry &Section, uint64_t Offset, + uint32_t Value, uint32_t Type, int32_t Addend); + + void resolveMIPSRelocation(const SectionEntry &Section, uint64_t Offset, + uint32_t Value, uint32_t Type, int32_t Addend); + + void resolvePPC64Relocation(const SectionEntry &Section, uint64_t Offset, + uint64_t Value, uint32_t Type, int64_t Addend); + + void resolveSystemZRelocation(const SectionEntry &Section, uint64_t Offset, + uint64_t Value, uint32_t Type, int64_t Addend); + + unsigned getMaxStubSize() override { + if (Arch == Triple::aarch64 || Arch == Triple::arm64 || + Arch == Triple::aarch64_be || Arch == Triple::arm64_be) return 20; // movz; movk; movk; movk; br if (Arch == Triple::arm || Arch == Triple::thumb) return 8; // 32-bit instruction and 32-bit address @@ -99,24 +75,24 @@ class RuntimeDyldELF : public RuntimeDyldImpl { return 0; } - unsigned getStubAlignment() { + unsigned getStubAlignment() override { if (Arch == Triple::systemz) return 8; else return 1; } - uint64_t findPPC64TOC() const; - void findOPDEntrySection(ObjectImage &Obj, - ObjSectionToIDMap &LocalSections, + void findPPC64TOCSection(ObjectImage &Obj, ObjSectionToIDMap &LocalSections, + RelocationValueRef &Rel); + void findOPDEntrySection(ObjectImage &Obj, ObjSectionToIDMap &LocalSections, RelocationValueRef &Rel); uint64_t findGOTEntry(uint64_t LoadAddr, uint64_t Offset); size_t getGOTEntrySize(); - virtual void updateGOTEntries(StringRef Name, uint64_t Addr); + void updateGOTEntries(StringRef Name, uint64_t Addr) override; - // Relocation entries for symbols whose position-independant offset is + // Relocation entries for symbols whose position-independent offset is // updated in a global offset table. typedef SmallVector<RelocationValueRef, 2> GOTRelocations; GOTRelocations GOTEntries; // List of entries requiring finalization. @@ -129,22 +105,23 @@ class RuntimeDyldELF : public RuntimeDyldImpl { SmallVector<SID, 2> RegisteredEHFrameSections; public: - RuntimeDyldELF(RTDyldMemoryManager *mm) : RuntimeDyldImpl(mm) - {} - - virtual void resolveRelocation(const RelocationEntry &RE, uint64_t Value); - virtual void processRelocationRef(unsigned SectionID, - RelocationRef RelI, - ObjectImage &Obj, - ObjSectionToIDMap &ObjSectionToID, - const SymbolTableMap &Symbols, - StubMap &Stubs); - virtual bool isCompatibleFormat(const ObjectBuffer *Buffer) const; - virtual ObjectImage *createObjectImage(ObjectBuffer *InputBuffer); - virtual void registerEHFrames(); - virtual void deregisterEHFrames(); - virtual void finalizeLoad(ObjSectionToIDMap &SectionMap); + RuntimeDyldELF(RTDyldMemoryManager *mm) : RuntimeDyldImpl(mm) {} + + void resolveRelocation(const RelocationEntry &RE, uint64_t Value) override; + relocation_iterator + processRelocationRef(unsigned SectionID, relocation_iterator RelI, + ObjectImage &Obj, ObjSectionToIDMap &ObjSectionToID, + const SymbolTableMap &Symbols, StubMap &Stubs) override; + bool isCompatibleFormat(const ObjectBuffer *Buffer) const override; + bool isCompatibleFile(const object::ObjectFile *Buffer) const override; + void registerEHFrames() override; + void deregisterEHFrames() override; + void finalizeLoad(ObjectImage &ObjImg, + ObjSectionToIDMap &SectionMap) override; virtual ~RuntimeDyldELF(); + + static ObjectImage *createObjectImage(ObjectBuffer *InputBuffer); + static ObjectImage *createObjectImageFromFile(std::unique_ptr<object::ObjectFile> Obj); }; } // end namespace llvm |
