62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
//===-- RuntimeDyldCOFF.h - Run-time dynamic linker for MC-JIT ---*- C++ -*-==//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// COFF support for MC-JIT runtime dynamic linker.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_RUNTIME_DYLD_COFF_H
|
|
#define LLVM_RUNTIME_DYLD_COFF_H
|
|
|
|
#include "RuntimeDyldImpl.h"
|
|
|
|
#define DEBUG_TYPE "dyld"
|
|
|
|
using namespace llvm;
|
|
|
|
namespace llvm {
|
|
|
|
// Common base class for COFF dynamic linker support.
|
|
// Concrete subclasses for each target can be found in ./Targets.
|
|
class RuntimeDyldCOFF : public RuntimeDyldImpl {
|
|
|
|
public:
|
|
std::unique_ptr<RuntimeDyld::LoadedObjectInfo>
|
|
loadObject(const object::ObjectFile &Obj) override;
|
|
bool isCompatibleFile(const object::ObjectFile &Obj) const override;
|
|
|
|
static std::unique_ptr<RuntimeDyldCOFF>
|
|
create(Triple::ArchType Arch, RuntimeDyld::MemoryManager &MemMgr,
|
|
JITSymbolResolver &Resolver);
|
|
|
|
protected:
|
|
RuntimeDyldCOFF(RuntimeDyld::MemoryManager &MemMgr,
|
|
JITSymbolResolver &Resolver, unsigned PointerSize,
|
|
uint32_t PointerReloc)
|
|
: RuntimeDyldImpl(MemMgr, Resolver), PointerSize(PointerSize),
|
|
PointerReloc(PointerReloc) {
|
|
assert((PointerSize == 4 || PointerSize == 8) && "Unexpected pointer size");
|
|
}
|
|
|
|
uint64_t getSymbolOffset(const SymbolRef &Sym);
|
|
uint64_t getDLLImportOffset(unsigned SectionID, StubMap &Stubs,
|
|
StringRef Name, bool SetSectionIDMinus1 = false);
|
|
|
|
static constexpr StringRef getImportSymbolPrefix() { return "__imp_"; }
|
|
|
|
private:
|
|
unsigned PointerSize;
|
|
uint32_t PointerReloc;
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#undef DEBUG_TYPE
|
|
|
|
#endif
|