10b57cec5SDimitry Andric //===-- RuntimeDyldCOFF.h - Run-time dynamic linker for MC-JIT ---*- C++ -*-==// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // COFF support for MC-JIT runtime dynamic linker. 100b57cec5SDimitry Andric // 110b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 120b57cec5SDimitry Andric 130b57cec5SDimitry Andric #ifndef LLVM_RUNTIME_DYLD_COFF_H 140b57cec5SDimitry Andric #define LLVM_RUNTIME_DYLD_COFF_H 150b57cec5SDimitry Andric 160b57cec5SDimitry Andric #include "RuntimeDyldImpl.h" 170b57cec5SDimitry Andric 180b57cec5SDimitry Andric #define DEBUG_TYPE "dyld" 190b57cec5SDimitry Andric 200b57cec5SDimitry Andric using namespace llvm; 210b57cec5SDimitry Andric 220b57cec5SDimitry Andric namespace llvm { 230b57cec5SDimitry Andric 240b57cec5SDimitry Andric // Common base class for COFF dynamic linker support. 250b57cec5SDimitry Andric // Concrete subclasses for each target can be found in ./Targets. 260b57cec5SDimitry Andric class RuntimeDyldCOFF : public RuntimeDyldImpl { 270b57cec5SDimitry Andric 280b57cec5SDimitry Andric public: 290b57cec5SDimitry Andric std::unique_ptr<RuntimeDyld::LoadedObjectInfo> 300b57cec5SDimitry Andric loadObject(const object::ObjectFile &Obj) override; 310b57cec5SDimitry Andric bool isCompatibleFile(const object::ObjectFile &Obj) const override; 320b57cec5SDimitry Andric 330b57cec5SDimitry Andric static std::unique_ptr<RuntimeDyldCOFF> 340b57cec5SDimitry Andric create(Triple::ArchType Arch, RuntimeDyld::MemoryManager &MemMgr, 350b57cec5SDimitry Andric JITSymbolResolver &Resolver); 360b57cec5SDimitry Andric 370b57cec5SDimitry Andric protected: RuntimeDyldCOFF(RuntimeDyld::MemoryManager & MemMgr,JITSymbolResolver & Resolver,unsigned PointerSize,uint32_t PointerReloc)380b57cec5SDimitry Andric RuntimeDyldCOFF(RuntimeDyld::MemoryManager &MemMgr, 39*5ffd83dbSDimitry Andric JITSymbolResolver &Resolver, unsigned PointerSize, 40*5ffd83dbSDimitry Andric uint32_t PointerReloc) 41*5ffd83dbSDimitry Andric : RuntimeDyldImpl(MemMgr, Resolver), PointerSize(PointerSize), 42*5ffd83dbSDimitry Andric PointerReloc(PointerReloc) { 43*5ffd83dbSDimitry Andric assert((PointerSize == 4 || PointerSize == 8) && "Unexpected pointer size"); 44*5ffd83dbSDimitry Andric } 45*5ffd83dbSDimitry Andric 460b57cec5SDimitry Andric uint64_t getSymbolOffset(const SymbolRef &Sym); 47*5ffd83dbSDimitry Andric uint64_t getDLLImportOffset(unsigned SectionID, StubMap &Stubs, 48*5ffd83dbSDimitry Andric StringRef Name, bool SetSectionIDMinus1 = false); 49*5ffd83dbSDimitry Andric getImportSymbolPrefix()50*5ffd83dbSDimitry Andric static constexpr StringRef getImportSymbolPrefix() { return "__imp_"; } 51*5ffd83dbSDimitry Andric 52*5ffd83dbSDimitry Andric private: 53*5ffd83dbSDimitry Andric unsigned PointerSize; 54*5ffd83dbSDimitry Andric uint32_t PointerReloc; 550b57cec5SDimitry Andric }; 560b57cec5SDimitry Andric 570b57cec5SDimitry Andric } // end namespace llvm 580b57cec5SDimitry Andric 590b57cec5SDimitry Andric #undef DEBUG_TYPE 600b57cec5SDimitry Andric 610b57cec5SDimitry Andric #endif 62