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//===- DWARFAttribute.h -----------------------------------------*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/DebugInfo/DWARF/DWARFFormValue.h"
#include <cstdint>
namespace llvm {
/// Encapsulates a DWARF attribute value and all of the data required to
/// describe the attribute value.
/// This class is designed to be used by clients that want to iterate across all
/// attributes in a DWARFDie.
struct DWARFAttribute {
/// The debug info/types offset for this attribute.
uint64_t Offset = 0;
/// The debug info/types section byte size of the data for this attribute.
uint32_t ByteSize = 0;
/// The attribute enumeration of this attribute.
dwarf::Attribute Attr = dwarf::Attribute(0);
/// The form and value for this attribute.
DWARFFormValue Value;
bool isValid() const {
return Offset != 0 && Attr != dwarf::Attribute(0);
explicit operator bool() const {
return isValid();
/// Identify DWARF attributes that may contain a pointer to a location list.
static bool mayHaveLocationList(dwarf::Attribute Attr);
/// Identifies DWARF attributes that may contain a reference to a
/// DWARF expression.
static bool mayHaveLocationExpr(dwarf::Attribute Attr);
} // end namespace llvm