54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
//===- AArch64ErrataFix.h ---------------------------------------*- 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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#ifndef LLD_ELF_AARCH64ERRATAFIX_H
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#define LLD_ELF_AARCH64ERRATAFIX_H
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#include "lld/Common/LLVM.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/SmallVector.h"
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#include <vector>
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namespace lld::elf {
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struct Ctx;
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class Defined;
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class InputSection;
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class InputSectionDescription;
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class Patch843419Section;
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class AArch64Err843419Patcher {
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public:
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AArch64Err843419Patcher(Ctx &ctx) : ctx(ctx) {}
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// return true if Patches have been added to the OutputSections.
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bool createFixes();
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private:
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std::vector<Patch843419Section *>
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patchInputSectionDescription(InputSectionDescription &isd);
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void insertPatches(InputSectionDescription &isd,
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std::vector<Patch843419Section *> &patches);
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void init();
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Ctx &ctx;
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// A cache mapping InputSections to pairs of section symbols (first) and
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// the mapping symbols (second) defined by the InputSection sorted in order
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// of ascending value with redundant symbols removed. These describe the
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// ranges of code and data in an executable InputSection.
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llvm::DenseMap<InputSection *,
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std::pair<Defined *, SmallVector<Defined *, 0>>>
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sectionMap;
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bool initialized = false;
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};
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} // namespace lld::elf
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#endif
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