/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DWARFAttribute.h
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1 | | //===-- DWARFAttribute.h ----------------------------------------*- C++ -*-===// |
2 | | // |
3 | | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | | // See https://llvm.org/LICENSE.txt for license information. |
5 | | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | | // |
7 | | //===----------------------------------------------------------------------===// |
8 | | |
9 | | #ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFATTRIBUTE_H |
10 | | #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFATTRIBUTE_H |
11 | | |
12 | | #include "DWARFDefines.h" |
13 | | #include "DWARFFormValue.h" |
14 | | #include "llvm/ADT/SmallVector.h" |
15 | | #include <vector> |
16 | | |
17 | | namespace lldb_private::plugin { |
18 | | namespace dwarf { |
19 | | class DWARFUnit; |
20 | | |
21 | | class DWARFAttribute { |
22 | | public: |
23 | | DWARFAttribute(dw_attr_t attr, dw_form_t form, |
24 | | DWARFFormValue::ValueType value) |
25 | 1.63M | : m_attr(attr), m_form(form), m_value(value) {} |
26 | | |
27 | 1.78M | dw_attr_t get_attr() const { return m_attr; } |
28 | 1.07M | dw_form_t get_form() const { return m_form; } |
29 | 1 | DWARFFormValue::ValueType get_value() const { return m_value; } |
30 | | void get(dw_attr_t &attr, dw_form_t &form, |
31 | 0 | DWARFFormValue::ValueType &val) const { |
32 | 0 | attr = m_attr; |
33 | 0 | form = m_form; |
34 | 0 | val = m_value; |
35 | 0 | } |
36 | | |
37 | | protected: |
38 | | dw_attr_t m_attr; |
39 | | dw_form_t m_form; |
40 | | DWARFFormValue::ValueType m_value; |
41 | | }; |
42 | | |
43 | | class DWARFAttributes { |
44 | | public: |
45 | | DWARFAttributes(); |
46 | | ~DWARFAttributes(); |
47 | | |
48 | | void Append(const DWARFFormValue &form_value, dw_offset_t attr_die_offset, |
49 | | dw_attr_t attr); |
50 | 1.15M | DWARFUnit *CompileUnitAtIndex(uint32_t i) const { return m_infos[i].cu; } |
51 | 1.07M | dw_offset_t DIEOffsetAtIndex(uint32_t i) const { |
52 | 1.07M | return m_infos[i].die_offset; |
53 | 1.07M | } |
54 | 1.62M | dw_attr_t AttributeAtIndex(uint32_t i) const { |
55 | 1.62M | return m_infos[i].attr.get_attr(); |
56 | 1.62M | } |
57 | 1.07M | dw_form_t FormAtIndex(uint32_t i) const { return m_infos[i].attr.get_form(); } |
58 | 1 | DWARFFormValue::ValueType ValueAtIndex(uint32_t i) const { |
59 | 1 | return m_infos[i].attr.get_value(); |
60 | 1 | } |
61 | | bool ExtractFormValueAtIndex(uint32_t i, DWARFFormValue &form_value) const; |
62 | | DWARFDIE FormValueAsReferenceAtIndex(uint32_t i) const; |
63 | | DWARFDIE FormValueAsReference(dw_attr_t attr) const; |
64 | | uint32_t FindAttributeIndex(dw_attr_t attr) const; |
65 | 1 | void Clear() { m_infos.clear(); } |
66 | 2.31M | size_t Size() const { return m_infos.size(); } |
67 | | |
68 | | protected: |
69 | | struct AttributeValue { |
70 | | DWARFUnit *cu; // Keep the compile unit with each attribute in |
71 | | // case we have DW_FORM_ref_addr values |
72 | | dw_offset_t die_offset; |
73 | | DWARFAttribute attr; |
74 | | }; |
75 | | typedef llvm::SmallVector<AttributeValue, 8> collection; |
76 | | collection m_infos; |
77 | | }; |
78 | | } // namespace dwarf |
79 | | } // namespace lldb_private::plugin |
80 | | |
81 | | #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFATTRIBUTE_H |