diff options
Diffstat (limited to 'lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h')
| -rw-r--r-- | lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h index 5b98a1fd5d..28e99be9ab 100644 --- a/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h +++ b/lib/ExecutionEngine/RuntimeDyld/RuntimeDyldImpl.h @@ -15,14 +15,11 @@ #define LLVM_RUNTIME_DYLD_IMPL_H #include "llvm/ExecutionEngine/RuntimeDyld.h" -#include "llvm/Object/MachOObject.h" #include "llvm/ADT/DenseMap.h" -#include "llvm/ADT/IndexedMap.h" #include "llvm/ADT/StringMap.h" #include "llvm/ADT/Twine.h" #include "llvm/ADT/SmallVector.h" #include "llvm/ExecutionEngine/ExecutionEngine.h" -#include "llvm/Support/Format.h" #include "llvm/Support/Memory.h" #include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/system_error.h" @@ -31,7 +28,6 @@ #include "llvm/Support/ErrorHandling.h" using namespace llvm; -using namespace llvm::object; namespace llvm { class RuntimeDyldImpl { @@ -109,135 +105,6 @@ public: virtual bool isCompatibleFormat(const MemoryBuffer *InputBuffer) const = 0; }; -class RuntimeDyldELF : public RuntimeDyldImpl { - // For each symbol, keep a list of relocations based on it. Anytime - // its address is reassigned (the JIT re-compiled the function, e.g.), - // the relocations get re-resolved. - struct RelocationEntry { - // Function or section this relocation is contained in. - std::string Target; - // Offset into the target function or section for the relocation. - uint32_t Offset; - // Relocation type - uint32_t Type; - // Addend encoded in the instruction itself, if any. - int32_t Addend; - // Has the relocation been recalcuated as an offset within a function? - bool IsFunctionRelative; - // Has this relocation been resolved previously? - bool isResolved; - - RelocationEntry(StringRef t, - uint32_t offset, - uint32_t type, - int32_t addend, - bool isFunctionRelative) - : Target(t) - , Offset(offset) - , Type(type) - , Addend(addend) - , IsFunctionRelative(isFunctionRelative) - , isResolved(false) { } - }; - typedef SmallVector<RelocationEntry, 4> RelocationList; - StringMap<RelocationList> Relocations; - unsigned Arch; - - void resolveRelocations(); - - void resolveX86_64Relocation(StringRef Name, - uint8_t *Addr, - const RelocationEntry &RE); - - void resolveX86Relocation(StringRef Name, - uint8_t *Addr, - const RelocationEntry &RE); - - void resolveArmRelocation(StringRef Name, - uint8_t *Addr, - const RelocationEntry &RE); - - void resolveRelocation(StringRef Name, - uint8_t *Addr, - const RelocationEntry &RE); - -public: - RuntimeDyldELF(RTDyldMemoryManager *mm) : RuntimeDyldImpl(mm) {} - - bool loadObject(MemoryBuffer *InputBuffer); - - void reassignSymbolAddress(StringRef Name, uint8_t *Addr); - void reassignSectionAddress(unsigned SectionID, uint64_t Addr); - - bool isCompatibleFormat(const MemoryBuffer *InputBuffer) const; -}; - - -class RuntimeDyldMachO : public RuntimeDyldImpl { - - // For each symbol, keep a list of relocations based on it. Anytime - // its address is reassigned (the JIT re-compiled the function, e.g.), - // the relocations get re-resolved. - // The symbol (or section) the relocation is sourced from is the Key - // in the relocation list where it's stored. - struct RelocationEntry { - unsigned SectionID; // Section the relocation is contained in. - uint64_t Offset; // Offset into the section for the relocation. - uint32_t Data; // Second word of the raw macho relocation entry. - int64_t Addend; // Addend encoded in the instruction itself, if any, - // plus the offset into the source section for - // the symbol once the relocation is resolvable. - - RelocationEntry(unsigned id, uint64_t offset, uint32_t data, int64_t addend) - : SectionID(id), Offset(offset), Data(data), Addend(addend) {} - }; - typedef SmallVector<RelocationEntry, 4> RelocationList; - // Relocations to sections already loaded. Indexed by SectionID which is the - // source of the address. The target where the address will be writen is - // SectionID/Offset in the relocation itself. - IndexedMap<RelocationList> Relocations; - // Relocations to symbols that are not yet resolved. Must be external - // relocations by definition. Indexed by symbol name. - StringMap<RelocationList> UnresolvedRelocations; - - bool resolveRelocation(uint8_t *Address, uint64_t Value, bool isPCRel, - unsigned Type, unsigned Size, int64_t Addend); - bool resolveX86_64Relocation(uintptr_t Address, uintptr_t Value, bool isPCRel, - unsigned Type, unsigned Size, int64_t Addend); - bool resolveARMRelocation(uintptr_t Address, uintptr_t Value, bool isPCRel, - unsigned Type, unsigned Size, int64_t Addend); - - bool loadSegment32(const MachOObject *Obj, - const MachOObject::LoadCommandInfo *SegmentLCI, - const InMemoryStruct<macho::SymtabLoadCommand> &SymtabLC); - bool loadSegment64(const MachOObject *Obj, - const MachOObject::LoadCommandInfo *SegmentLCI, - const InMemoryStruct<macho::SymtabLoadCommand> &SymtabLC); - bool processSymbols32(const MachOObject *Obj, - SmallVectorImpl<unsigned> &SectionMap, - SmallVectorImpl<StringRef> &SymbolNames, - const InMemoryStruct<macho::SymtabLoadCommand> &SymtabLC); - bool processSymbols64(const MachOObject *Obj, - SmallVectorImpl<unsigned> &SectionMap, - SmallVectorImpl<StringRef> &SymbolNames, - const InMemoryStruct<macho::SymtabLoadCommand> &SymtabLC); - - void resolveSymbol(StringRef Name); - -public: - RuntimeDyldMachO(RTDyldMemoryManager *mm) : RuntimeDyldImpl(mm) {} - - bool loadObject(MemoryBuffer *InputBuffer); - - void reassignSectionAddress(unsigned SectionID, uint64_t Addr); - - static bool isKnownFormat(const MemoryBuffer *InputBuffer); - - bool isCompatibleFormat(const MemoryBuffer *InputBuffer) const { - return isKnownFormat(InputBuffer); - } -}; - } // end namespace llvm |