40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
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//===- UnwindInfoSection.h ------------------------------------------------===//
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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_MACHO_UNWIND_INFO_H
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#define LLD_MACHO_UNWIND_INFO_H
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#include "ConcatOutputSection.h"
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#include "SyntheticSections.h"
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#include "llvm/ADT/MapVector.h"
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namespace lld::macho {
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class UnwindInfoSection : public SyntheticSection {
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public:
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// If all functions are free of unwind info, we can omit the unwind info
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// section entirely.
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bool isNeeded() const override { return !allEntriesAreOmitted; }
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void addSymbol(const Defined *);
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virtual void prepare() = 0;
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protected:
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UnwindInfoSection();
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llvm::MapVector<std::pair<const InputSection *, uint64_t /*Defined::value*/>,
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const Defined *>
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symbols;
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bool allEntriesAreOmitted = true;
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};
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UnwindInfoSection *makeUnwindInfoSection();
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} // namespace lld::macho
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#endif
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