1 | //===- DebugSubsectionVisitor.cpp -------------------------------*- 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 | #include "llvm/DebugInfo/CodeView/DebugSubsectionVisitor.h" |
10 | |
11 | #include "llvm/DebugInfo/CodeView/CodeView.h" |
12 | #include "llvm/DebugInfo/CodeView/DebugChecksumsSubsection.h" |
13 | #include "llvm/DebugInfo/CodeView/DebugCrossExSubsection.h" |
14 | #include "llvm/DebugInfo/CodeView/DebugCrossImpSubsection.h" |
15 | #include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h" |
16 | #include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h" |
17 | #include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h" |
18 | #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h" |
19 | #include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h" |
20 | #include "llvm/DebugInfo/CodeView/DebugSymbolRVASubsection.h" |
21 | #include "llvm/DebugInfo/CodeView/DebugSymbolsSubsection.h" |
22 | #include "llvm/DebugInfo/CodeView/DebugUnknownSubsection.h" |
23 | #include "llvm/Support/BinaryStreamReader.h" |
24 | #include "llvm/Support/SwapByteOrder.h" |
25 | |
26 | using namespace llvm; |
27 | using namespace llvm::codeview; |
28 | |
29 | Error llvm::codeview::visitDebugSubsection( |
30 | const DebugSubsectionRecord &R, DebugSubsectionVisitor &V, |
31 | const StringsAndChecksumsRef &State) { |
32 | BinaryStreamReader Reader(R.getRecordData()); |
33 | switch (R.kind()) { |
34 | case DebugSubsectionKind::Lines: { |
35 | DebugLinesSubsectionRef Fragment; |
36 | if (auto EC = Fragment.initialize(Reader)) |
37 | return EC; |
38 | |
39 | return V.visitLines(Lines&: Fragment, State); |
40 | } |
41 | case DebugSubsectionKind::FileChecksums: { |
42 | DebugChecksumsSubsectionRef Fragment; |
43 | if (auto EC = Fragment.initialize(Reader)) |
44 | return EC; |
45 | |
46 | return V.visitFileChecksums(Checksums&: Fragment, State); |
47 | } |
48 | case DebugSubsectionKind::InlineeLines: { |
49 | DebugInlineeLinesSubsectionRef Fragment; |
50 | if (auto EC = Fragment.initialize(Reader)) |
51 | return EC; |
52 | return V.visitInlineeLines(Inlinees&: Fragment, State); |
53 | } |
54 | case DebugSubsectionKind::CrossScopeExports: { |
55 | DebugCrossModuleExportsSubsectionRef Section; |
56 | if (auto EC = Section.initialize(Reader)) |
57 | return EC; |
58 | return V.visitCrossModuleExports(CSE&: Section, State); |
59 | } |
60 | case DebugSubsectionKind::CrossScopeImports: { |
61 | DebugCrossModuleImportsSubsectionRef Section; |
62 | if (auto EC = Section.initialize(Reader)) |
63 | return EC; |
64 | return V.visitCrossModuleImports(CSE&: Section, State); |
65 | } |
66 | case DebugSubsectionKind::Symbols: { |
67 | DebugSymbolsSubsectionRef Section; |
68 | if (auto EC = Section.initialize(Reader)) |
69 | return EC; |
70 | return V.visitSymbols(CSE&: Section, State); |
71 | } |
72 | case DebugSubsectionKind::StringTable: { |
73 | DebugStringTableSubsectionRef Section; |
74 | if (auto EC = Section.initialize(Reader)) |
75 | return EC; |
76 | return V.visitStringTable(ST&: Section, State); |
77 | } |
78 | case DebugSubsectionKind::FrameData: { |
79 | DebugFrameDataSubsectionRef Section; |
80 | if (auto EC = Section.initialize(Reader)) |
81 | return EC; |
82 | return V.visitFrameData(FD&: Section, State); |
83 | } |
84 | case DebugSubsectionKind::CoffSymbolRVA: { |
85 | DebugSymbolRVASubsectionRef Section; |
86 | if (auto EC = Section.initialize(Reader)) |
87 | return EC; |
88 | return V.visitCOFFSymbolRVAs(RVAs&: Section, State); |
89 | } |
90 | default: { |
91 | DebugUnknownSubsectionRef Fragment(R.kind(), R.getRecordData()); |
92 | return V.visitUnknown(Unknown&: Fragment); |
93 | } |
94 | } |
95 | } |
96 | |