81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
//===-- 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 LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFATTRIBUTE_H
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#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFATTRIBUTE_H
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#include "DWARFDefines.h"
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#include "DWARFFormValue.h"
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#include "llvm/ADT/SmallVector.h"
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#include <vector>
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class DWARFUnit;
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class DWARFAttribute {
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public:
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DWARFAttribute(dw_attr_t attr, dw_form_t form,
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DWARFFormValue::ValueType value)
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: m_attr(attr), m_form(form), m_value(value) {}
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dw_attr_t get_attr() const { return m_attr; }
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dw_form_t get_form() const { return m_form; }
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DWARFFormValue::ValueType get_value() const { return m_value; }
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void get(dw_attr_t &attr, dw_form_t &form,
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DWARFFormValue::ValueType &val) const {
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attr = m_attr;
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form = m_form;
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val = m_value;
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}
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typedef std::vector<DWARFAttribute> collection;
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typedef collection::iterator iterator;
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typedef collection::const_iterator const_iterator;
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protected:
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dw_attr_t m_attr;
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dw_form_t m_form;
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DWARFFormValue::ValueType m_value;
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};
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class DWARFAttributes {
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public:
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DWARFAttributes();
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~DWARFAttributes();
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void Append(const DWARFFormValue &form_value, dw_offset_t attr_die_offset,
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dw_attr_t attr);
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DWARFUnit *CompileUnitAtIndex(uint32_t i) const { return m_infos[i].cu; }
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dw_offset_t DIEOffsetAtIndex(uint32_t i) const {
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return m_infos[i].die_offset;
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}
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dw_attr_t AttributeAtIndex(uint32_t i) const {
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return m_infos[i].attr.get_attr();
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}
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dw_attr_t FormAtIndex(uint32_t i) const { return m_infos[i].attr.get_form(); }
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DWARFFormValue::ValueType ValueAtIndex(uint32_t i) const {
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return m_infos[i].attr.get_value();
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}
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bool ExtractFormValueAtIndex(uint32_t i, DWARFFormValue &form_value) const;
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DWARFDIE FormValueAsReferenceAtIndex(uint32_t i) const;
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DWARFDIE FormValueAsReference(dw_attr_t attr) const;
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uint32_t FindAttributeIndex(dw_attr_t attr) const;
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void Clear() { m_infos.clear(); }
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size_t Size() const { return m_infos.size(); }
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protected:
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struct AttributeValue {
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DWARFUnit *cu; // Keep the compile unit with each attribute in
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// case we have DW_FORM_ref_addr values
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dw_offset_t die_offset;
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DWARFAttribute attr;
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};
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typedef llvm::SmallVector<AttributeValue, 8> collection;
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collection m_infos;
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};
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#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFATTRIBUTE_H
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