bdfd780490
We weren't taking account of the space we require in the stubs for things that are dllimported, and as a result we could hit the assertion failure for running out of stub space. Fix that. Also add a couple of `override` specifiers that were missing last time (#102586). rdar://133473673
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
//===-- RuntimeDyldCOFF.h - Run-time dynamic linker for MC-JIT ---*- C++ -*-==//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// COFF support for MC-JIT runtime dynamic linker.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_RUNTIME_DYLD_COFF_H
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#define LLVM_RUNTIME_DYLD_COFF_H
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#include "RuntimeDyldImpl.h"
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#include "llvm/Support/MathExtras.h"
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namespace llvm {
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// Common base class for COFF dynamic linker support.
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// Concrete subclasses for each target can be found in ./Targets.
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class RuntimeDyldCOFF : public RuntimeDyldImpl {
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public:
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std::unique_ptr<RuntimeDyld::LoadedObjectInfo>
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loadObject(const object::ObjectFile &Obj) override;
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bool isCompatibleFile(const object::ObjectFile &Obj) const override;
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static std::unique_ptr<RuntimeDyldCOFF>
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create(Triple::ArchType Arch, RuntimeDyld::MemoryManager &MemMgr,
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JITSymbolResolver &Resolver);
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protected:
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RuntimeDyldCOFF(RuntimeDyld::MemoryManager &MemMgr,
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JITSymbolResolver &Resolver, unsigned PointerSize,
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uint32_t PointerReloc)
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: RuntimeDyldImpl(MemMgr, Resolver), PointerSize(PointerSize),
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PointerReloc(PointerReloc) {
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assert((PointerSize == 4 || PointerSize == 8) && "Unexpected pointer size");
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}
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uint64_t getSymbolOffset(const SymbolRef &Sym);
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uint64_t getDLLImportOffset(unsigned SectionID, StubMap &Stubs,
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StringRef Name, bool SetSectionIDMinus1 = false);
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static constexpr StringRef getImportSymbolPrefix() { return "__imp_"; }
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bool relocationNeedsDLLImportStub(const RelocationRef &R) const override;
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unsigned sizeAfterAddingDLLImportStub(unsigned Size) const override {
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return alignTo(Size, PointerSize) + PointerSize;
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}
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private:
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unsigned PointerSize;
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uint32_t PointerReloc;
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};
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} // end namespace llvm
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#endif // LLVM_RUNTIME_DYLD_COFF_H
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