| //===-- DWARFAttribute.h ----------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFATTRIBUTE_H |
| #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFATTRIBUTE_H |
| |
| #include "DWARFDefines.h" |
| #include "DWARFFormValue.h" |
| #include "llvm/ADT/SmallVector.h" |
| #include <vector> |
| |
| class DWARFUnit; |
| |
| class DWARFAttribute { |
| public: |
| DWARFAttribute(dw_attr_t attr, dw_form_t form, |
| DWARFFormValue::ValueType value) |
| : m_attr(attr), m_form(form), m_value(value) {} |
| |
| dw_attr_t get_attr() const { return m_attr; } |
| dw_form_t get_form() const { return m_form; } |
| DWARFFormValue::ValueType get_value() const { return m_value; } |
| void get(dw_attr_t &attr, dw_form_t &form, |
| DWARFFormValue::ValueType &val) const { |
| attr = m_attr; |
| form = m_form; |
| val = m_value; |
| } |
| typedef std::vector<DWARFAttribute> collection; |
| typedef collection::iterator iterator; |
| typedef collection::const_iterator const_iterator; |
| |
| protected: |
| dw_attr_t m_attr; |
| dw_form_t m_form; |
| DWARFFormValue::ValueType m_value; |
| }; |
| |
| class DWARFAttributes { |
| public: |
| DWARFAttributes(); |
| ~DWARFAttributes(); |
| |
| void Append(const DWARFFormValue &form_value, dw_offset_t attr_die_offset, |
| dw_attr_t attr); |
| DWARFUnit *CompileUnitAtIndex(uint32_t i) const { return m_infos[i].cu; } |
| dw_offset_t DIEOffsetAtIndex(uint32_t i) const { |
| return m_infos[i].die_offset; |
| } |
| dw_attr_t AttributeAtIndex(uint32_t i) const { |
| return m_infos[i].attr.get_attr(); |
| } |
| dw_attr_t FormAtIndex(uint32_t i) const { return m_infos[i].attr.get_form(); } |
| DWARFFormValue::ValueType ValueAtIndex(uint32_t i) const { |
| return m_infos[i].attr.get_value(); |
| } |
| bool ExtractFormValueAtIndex(uint32_t i, DWARFFormValue &form_value) const; |
| DWARFDIE FormValueAsReferenceAtIndex(uint32_t i) const; |
| DWARFDIE FormValueAsReference(dw_attr_t attr) const; |
| uint32_t FindAttributeIndex(dw_attr_t attr) const; |
| void Clear() { m_infos.clear(); } |
| size_t Size() const { return m_infos.size(); } |
| |
| protected: |
| struct AttributeValue { |
| DWARFUnit *cu; // Keep the compile unit with each attribute in |
| // case we have DW_FORM_ref_addr values |
| dw_offset_t die_offset; |
| DWARFAttribute attr; |
| }; |
| typedef llvm::SmallVector<AttributeValue, 8> collection; |
| collection m_infos; |
| }; |
| |
| #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFATTRIBUTE_H |