diff options
Diffstat (limited to 'llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h')
-rw-r--r-- | llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h index 69ea3b4f4e6..22d39408a59 100644 --- a/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h +++ b/llvm/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h @@ -18,7 +18,6 @@ #include "llvm/ADT/SmallVector.h" #include "llvm/ADT/StringMap.h" #include "llvm/ADT/Triple.h" -#include "llvm/ExecutionEngine/ObjectImage.h" #include "llvm/ExecutionEngine/RuntimeDyld.h" #include "llvm/ExecutionEngine/RuntimeDyldChecker.h" #include "llvm/Object/ObjectFile.h" @@ -37,7 +36,6 @@ using namespace llvm::object; namespace llvm { -class ObjectBuffer; class Twine; /// SectionEntry - represents a section emitted into memory by the dynamic @@ -159,6 +157,7 @@ public: }; class RuntimeDyldImpl { + friend class RuntimeDyld::LoadedObjectInfo; friend class RuntimeDyldCheckerImpl; private: @@ -296,14 +295,15 @@ protected: /// \brief Given the common symbols discovered in the object file, emit a /// new section for them and update the symbol mappings in the object and /// symbol table. - void emitCommonSymbols(ObjectImage &Obj, const CommonSymbolMap &CommonSymbols, + void emitCommonSymbols(const ObjectFile &Obj, + const CommonSymbolMap &CommonSymbols, uint64_t TotalSize, SymbolTableMap &SymbolTable); /// \brief Emits section data from the object file to the MemoryManager. /// \param IsCode if it's true then allocateCodeSection() will be /// used for emits, else allocateDataSection() will be used. /// \return SectionID. - unsigned emitSection(ObjectImage &Obj, const SectionRef &Section, + unsigned emitSection(const ObjectFile &Obj, const SectionRef &Section, bool IsCode); /// \brief Find Section in LocalSections. If the secton is not found - emit @@ -311,7 +311,7 @@ protected: /// \param IsCode if it's true then allocateCodeSection() will be /// used for emmits, else allocateDataSection() will be used. /// \return SectionID. - unsigned findOrEmitSection(ObjectImage &Obj, const SectionRef &Section, + unsigned findOrEmitSection(const ObjectFile &Obj, const SectionRef &Section, bool IsCode, ObjSectionToIDMap &LocalSections); // \brief Add a relocation entry that uses the given section. @@ -339,7 +339,7 @@ protected: /// \return Iterator to the next relocation that needs to be parsed. virtual relocation_iterator processRelocationRef(unsigned SectionID, relocation_iterator RelI, - ObjectImage &Obj, ObjSectionToIDMap &ObjSectionToID, + const ObjectFile &Obj, ObjSectionToIDMap &ObjSectionToID, const SymbolTableMap &Symbols, StubMap &Stubs) = 0; /// \brief Resolve relocations to external symbols. @@ -351,13 +351,16 @@ protected: // \brief Compute an upper bound of the memory that is required to load all // sections - void computeTotalAllocSize(ObjectImage &Obj, uint64_t &CodeSize, + void computeTotalAllocSize(const ObjectFile &Obj, uint64_t &CodeSize, uint64_t &DataSizeRO, uint64_t &DataSizeRW); // \brief Compute the stub buffer size required for a section - unsigned computeSectionStubBufSize(ObjectImage &Obj, + unsigned computeSectionStubBufSize(const ObjectFile &Obj, const SectionRef &Section); + // \brief Implementation of the generic part of the loadObject algorithm. + std::pair<unsigned, unsigned> loadObjectImpl(const object::ObjectFile &Obj); + public: RuntimeDyldImpl(RTDyldMemoryManager *mm) : MemMgr(mm), Checker(nullptr), ProcessAllSections(false), HasError(false) { @@ -373,8 +376,8 @@ public: this->Checker = Checker; } - std::unique_ptr<ObjectImage> - loadObject(std::unique_ptr<ObjectImage> InputObject); + virtual std::unique_ptr<RuntimeDyld::LoadedObjectInfo> + loadObject(const object::ObjectFile &Obj) = 0; uint8_t* getSymbolAddress(StringRef Name) const { // FIXME: Just look up as a function for now. Overly simple of course. @@ -411,14 +414,14 @@ public: // Get the error message. StringRef getErrorString() { return ErrorStr; } - virtual bool isCompatibleFormat(const ObjectBuffer *Buffer) const = 0; - virtual bool isCompatibleFile(const ObjectFile *Obj) const = 0; + virtual bool isCompatibleFile(const ObjectFile &Obj) const = 0; virtual void registerEHFrames(); virtual void deregisterEHFrames(); - virtual void finalizeLoad(ObjectImage &ObjImg, ObjSectionToIDMap &SectionMap) {} + virtual void finalizeLoad(const ObjectFile &ObjImg, + ObjSectionToIDMap &SectionMap) {} }; } // end namespace llvm |