diff options
Diffstat (limited to 'include/llvm/ExecutionEngine/RuntimeDyld.h')
-rw-r--r-- | include/llvm/ExecutionEngine/RuntimeDyld.h | 51 |
1 files changed, 34 insertions, 17 deletions
diff --git a/include/llvm/ExecutionEngine/RuntimeDyld.h b/include/llvm/ExecutionEngine/RuntimeDyld.h index f123ffb803bd..799fc34eb659 100644 --- a/include/llvm/ExecutionEngine/RuntimeDyld.h +++ b/include/llvm/ExecutionEngine/RuntimeDyld.h @@ -15,58 +15,75 @@ #define LLVM_EXECUTIONENGINE_RUNTIMEDYLD_H #include "llvm/ADT/StringRef.h" -#include "llvm/ExecutionEngine/ObjectBuffer.h" #include "llvm/ExecutionEngine/RTDyldMemoryManager.h" #include "llvm/Support/Memory.h" +#include <memory> namespace llvm { namespace object { class ObjectFile; + template <typename T> class OwningBinary; } class RuntimeDyldImpl; -class ObjectImage; +class RuntimeDyldCheckerImpl; class RuntimeDyld { - friend class RuntimeDyldChecker; + friend class RuntimeDyldCheckerImpl; RuntimeDyld(const RuntimeDyld &) LLVM_DELETED_FUNCTION; void operator=(const RuntimeDyld &) LLVM_DELETED_FUNCTION; // RuntimeDyldImpl is the actual class. RuntimeDyld is just the public // interface. - RuntimeDyldImpl *Dyld; + std::unique_ptr<RuntimeDyldImpl> Dyld; RTDyldMemoryManager *MM; bool ProcessAllSections; + RuntimeDyldCheckerImpl *Checker; protected: // Change the address associated with a section when resolving relocations. // Any relocations already associated with the symbol will be re-resolved. void reassignSectionAddress(unsigned SectionID, uint64_t Addr); public: + + /// \brief Information about the loaded object. + class LoadedObjectInfo { + friend class RuntimeDyldImpl; + public: + LoadedObjectInfo(RuntimeDyldImpl &RTDyld, unsigned BeginIdx, + unsigned EndIdx) + : RTDyld(RTDyld), BeginIdx(BeginIdx), EndIdx(EndIdx) { } + + virtual ~LoadedObjectInfo() {} + + virtual object::OwningBinary<object::ObjectFile> + getObjectForDebug(const object::ObjectFile &Obj) const = 0; + + uint64_t getSectionLoadAddress(StringRef Name) const; + + protected: + virtual void anchor(); + + RuntimeDyldImpl &RTDyld; + unsigned BeginIdx, EndIdx; + }; + RuntimeDyld(RTDyldMemoryManager *); ~RuntimeDyld(); - /// Prepare the object contained in the input buffer for execution. - /// Ownership of the input buffer is transferred to the ObjectImage - /// instance returned from this function if successful. In the case of load - /// failure, the input buffer will be deleted. - ObjectImage *loadObject(ObjectBuffer *InputBuffer); - - /// Prepare the referenced object file for execution. - /// Ownership of the input object is transferred to the ObjectImage - /// instance returned from this function if successful. In the case of load - /// failure, the input object will be deleted. - ObjectImage *loadObject(std::unique_ptr<object::ObjectFile> InputObject); + /// Add the referenced object file to the list of objects to be loaded and + /// relocated. + std::unique_ptr<LoadedObjectInfo> loadObject(const object::ObjectFile &O); /// Get the address of our local copy of the symbol. This may or may not /// be the address used for relocation (clients can copy the data around /// and resolve relocatons based on where they put it). - void *getSymbolAddress(StringRef Name); + void *getSymbolAddress(StringRef Name) const; /// Get the address of the target copy of the symbol. This is the address /// used for relocation. - uint64_t getSymbolLoadAddress(StringRef Name); + uint64_t getSymbolLoadAddress(StringRef Name) const; /// Resolve the relocations for all symbols we currently know about. void resolveRelocations(); |