llvm-project/lld/lib/ReaderWriter/ELF/X86/X86TargetHandler.h

74 lines
2.2 KiB
C++

//===- lib/ReaderWriter/ELF/X86/X86TargetHandler.h ------------------------===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLD_READER_WRITER_ELF_X86_TARGET_HANDLER_H
#define LLD_READER_WRITER_ELF_X86_TARGET_HANDLER_H
#include "DefaultTargetHandler.h"
#include "TargetLayout.h"
#include "lld/ReaderWriter/Reader.h"
namespace lld {
namespace elf {
typedef llvm::object::ELFType<llvm::support::little, 2, false> X86ELFType;
class X86LinkingContext;
template <class ELFT> class X86TargetLayout : public TargetLayout<ELFT> {
public:
X86TargetLayout(X86LinkingContext &context) : TargetLayout<ELFT>(context) {}
};
class X86TargetRelocationHandler final
: public TargetRelocationHandler<X86ELFType> {
public:
X86TargetRelocationHandler(X86LinkingContext &context,
X86TargetLayout<X86ELFType> &layout)
: _x86Context(context), _x86TargetLayout(layout) {}
std::error_code applyRelocation(ELFWriter &, llvm::FileOutputBuffer &,
const lld::AtomLayout &,
const Reference &) const override;
static const Registry::KindStrings kindStrings[];
protected:
X86LinkingContext &_x86Context;
X86TargetLayout<X86ELFType> &_x86TargetLayout;
};
class X86TargetHandler final
: public DefaultTargetHandler<X86ELFType> {
public:
X86TargetHandler(X86LinkingContext &context);
X86TargetLayout<X86ELFType> &getTargetLayout() override {
return *(_x86TargetLayout.get());
}
void registerRelocationNames(Registry &registry) override;
const X86TargetRelocationHandler &getRelocationHandler() const override {
return *(_x86RelocationHandler.get());
}
std::unique_ptr<Writer> getWriter() override;
protected:
static const Registry::KindStrings kindStrings[];
X86LinkingContext &_x86LinkingContext;
std::unique_ptr<X86TargetLayout<X86ELFType>> _x86TargetLayout;
std::unique_ptr<X86TargetRelocationHandler> _x86RelocationHandler;
};
} // end namespace elf
} // end namespace lld
#endif