#ifndef LLVM_LIB_EXECUTIONENGINE_RUNTIMEDYLD_RUNTIMEDYLDELF_H
#define LLVM_LIB_EXECUTIONENGINE_RUNTIMEDYLD_RUNTIMEDYLDELF_H
#include "RuntimeDyldImpl.h"
#include "llvm/ADT/DenseMap.h"
using namespace llvm;
namespace llvm {
namespace {
std::error_code Check(std::error_code Err) {
if (Err) {
report_fatal_error(Err.message());
}
return Err;
}
}
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,
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() override {
if (Arch == Triple::aarch64 || Arch == Triple::aarch64_be)
return 20; if (Arch == Triple::arm || Arch == Triple::thumb)
return 8; else if (Arch == Triple::mipsel || Arch == Triple::mips)
return 16;
else if (Arch == Triple::ppc64 || Arch == Triple::ppc64le)
return 44;
else if (Arch == Triple::x86_64)
return 6; else if (Arch == Triple::systemz)
return 16;
else
return 0;
}
unsigned getStubAlignment() override {
if (Arch == Triple::systemz)
return 8;
else
return 1;
}
void findPPC64TOCSection(const ObjectFile &Obj,
ObjSectionToIDMap &LocalSections,
RelocationValueRef &Rel);
void findOPDEntrySection(const ObjectFile &Obj,
ObjSectionToIDMap &LocalSections,
RelocationValueRef &Rel);
uint64_t findGOTEntry(uint64_t LoadAddr, uint64_t Offset);
size_t getGOTEntrySize();
void updateGOTEntries(StringRef Name, uint64_t Addr) override;
typedef SmallVector<RelocationValueRef, 2> GOTRelocations;
GOTRelocations GOTEntries; SmallVector<std::pair<SID, GOTRelocations>, 8> GOTs;
SmallVector<SID, 2> UnregisteredEHFrameSections;
SmallVector<SID, 2> RegisteredEHFrameSections;
public:
RuntimeDyldELF(RTDyldMemoryManager *mm);
virtual ~RuntimeDyldELF();
std::unique_ptr<RuntimeDyld::LoadedObjectInfo>
loadObject(const object::ObjectFile &O) override;
void resolveRelocation(const RelocationEntry &RE, uint64_t Value) override;
relocation_iterator
processRelocationRef(unsigned SectionID, relocation_iterator RelI,
const ObjectFile &Obj,
ObjSectionToIDMap &ObjSectionToID,
StubMap &Stubs) override;
bool isCompatibleFile(const object::ObjectFile &Obj) const override;
void registerEHFrames() override;
void deregisterEHFrames() override;
void finalizeLoad(const ObjectFile &Obj,
ObjSectionToIDMap &SectionMap) override;
};
}
#endif