//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_RUNTIME_DYLD_IMPL_H
-#define LLVM_RUNTIME_DYLD_IMPL_H
+#ifndef LLVM_LIB_EXECUTIONENGINE_RUNTIMEDYLD_RUNTIMEDYLDIMPL_H
+#define LLVM_LIB_EXECUTIONENGINE_RUNTIMEDYLD_RUNTIMEDYLDIMPL_H
#include "llvm/ADT/DenseMap.h"
#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"
namespace llvm {
-class ObjectBuffer;
class Twine;
/// SectionEntry - represents a section emitted into memory by the dynamic
SectionEntry(StringRef name, uint8_t *address, size_t size,
uintptr_t objAddress)
: Name(name), Address(address), Size(size),
- LoadAddress((uintptr_t)address), StubOffset(size),
+ LoadAddress(reinterpret_cast<uintptr_t>(address)), StubOffset(size),
ObjAddress(objAddress) {}
};
};
class RuntimeDyldImpl {
+ friend class RuntimeDyld::LoadedObjectInfo;
friend class RuntimeDyldCheckerImpl;
-private:
-
- uint64_t getAnySymbolRemoteAddress(StringRef Symbol) {
- if (uint64_t InternalSymbolAddr = getSymbolLoadAddress(Symbol))
- return InternalSymbolAddr;
- return MemMgr->getSymbolAddress(Symbol);
- }
-
protected:
// The MemoryManager to load objects into.
RTDyldMemoryManager *MemMgr;
return true;
}
- uint64_t getSectionLoadAddress(unsigned SectionID) {
+ uint64_t getSectionLoadAddress(unsigned SectionID) const {
return Sections[SectionID].LoadAddress;
}
- uint8_t *getSectionAddress(unsigned SectionID) {
+ uint8_t *getSectionAddress(unsigned SectionID) const {
return (uint8_t *)Sections[SectionID].Address;
}
*(Addr + 7) = Value & 0xFF;
}
+ /// Endian-aware read Read the least significant Size bytes from Src.
+ uint64_t readBytesUnaligned(uint8_t *Src, unsigned Size) const;
+
+ /// Endian-aware write. Write the least significant Size bytes from Value to
+ /// Dst.
+ void writeBytesUnaligned(uint64_t Value, uint8_t *Dst, unsigned Size) const;
+
/// \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
/// \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.
/// \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.
// \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) {
this->Checker = Checker;
}
- ObjectImage *loadObject(ObjectImage *InputObject);
+ virtual std::unique_ptr<RuntimeDyld::LoadedObjectInfo>
+ loadObject(const object::ObjectFile &Obj) = 0;
- uint8_t* getSymbolAddress(StringRef Name) {
+ uint8_t* getSymbolAddress(StringRef Name) const {
// FIXME: Just look up as a function for now. Overly simple of course.
// Work in progress.
SymbolTableMap::const_iterator pos = GlobalSymbolTable.find(Name);
return getSectionAddress(Loc.first) + Loc.second;
}
- uint64_t getSymbolLoadAddress(StringRef Name) {
+ uint64_t getSymbolLoadAddress(StringRef Name) const {
// FIXME: Just look up as a function for now. Overly simple of course.
// Work in progress.
SymbolTableMap::const_iterator pos = GlobalSymbolTable.find(Name);
// 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
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