50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
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//===- DWARFAttribute.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 LLVM_DEBUGINFO_DWARFATTRIBUTE_H
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#define LLVM_DEBUGINFO_DWARFATTRIBUTE_H
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#include "llvm/BinaryFormat/Dwarf.h"
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#include "llvm/DebugInfo/DWARF/DWARFFormValue.h"
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#include <cstdint>
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namespace llvm {
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//===----------------------------------------------------------------------===//
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/// Encapsulates a DWARF attribute value and all of the data required to
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/// describe the attribute value.
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///
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/// This class is designed to be used by clients that want to iterate across all
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/// attributes in a DWARFDie.
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struct DWARFAttribute {
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/// The debug info/types offset for this attribute.
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uint64_t Offset = 0;
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/// The debug info/types section byte size of the data for this attribute.
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uint32_t ByteSize = 0;
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/// The attribute enumeration of this attribute.
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dwarf::Attribute Attr = dwarf::Attribute(0);
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/// The form and value for this attribute.
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DWARFFormValue Value;
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bool isValid() const {
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return Offset != 0 && Attr != dwarf::Attribute(0);
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}
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explicit operator bool() const {
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return isValid();
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}
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/// Identifies DWARF attributes that may contain a reference to a
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/// DWARF expression.
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static bool mayHaveLocationDescription(dwarf::Attribute Attr);
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};
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} // end namespace llvm
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#endif // LLVM_DEBUGINFO_DWARFATTRIBUTE_H
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