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
visitDebugSubsection(const DebugSubsectionRecord & R,DebugSubsectionVisitor & V,const StringsAndChecksumsRef & State)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(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(Fragment, State);
47 }
48 case DebugSubsectionKind::InlineeLines: {
49 DebugInlineeLinesSubsectionRef Fragment;
50 if (auto EC = Fragment.initialize(Reader))
51 return EC;
52 return V.visitInlineeLines(Fragment, State);
53 }
54 case DebugSubsectionKind::CrossScopeExports: {
55 DebugCrossModuleExportsSubsectionRef Section;
56 if (auto EC = Section.initialize(Reader))
57 return EC;
58 return V.visitCrossModuleExports(Section, State);
59 }
60 case DebugSubsectionKind::CrossScopeImports: {
61 DebugCrossModuleImportsSubsectionRef Section;
62 if (auto EC = Section.initialize(Reader))
63 return EC;
64 return V.visitCrossModuleImports(Section, State);
65 }
66 case DebugSubsectionKind::Symbols: {
67 DebugSymbolsSubsectionRef Section;
68 if (auto EC = Section.initialize(Reader))
69 return EC;
70 return V.visitSymbols(Section, State);
71 }
72 case DebugSubsectionKind::StringTable: {
73 DebugStringTableSubsectionRef Section;
74 if (auto EC = Section.initialize(Reader))
75 return EC;
76 return V.visitStringTable(Section, State);
77 }
78 case DebugSubsectionKind::FrameData: {
79 DebugFrameDataSubsectionRef Section;
80 if (auto EC = Section.initialize(Reader))
81 return EC;
82 return V.visitFrameData(Section, State);
83 }
84 case DebugSubsectionKind::CoffSymbolRVA: {
85 DebugSymbolRVASubsectionRef Section;
86 if (auto EC = Section.initialize(Reader))
87 return EC;
88 return V.visitCOFFSymbolRVAs(Section, State);
89 }
90 default: {
91 DebugUnknownSubsectionRef Fragment(R.kind(), R.getRecordData());
92 return V.visitUnknown(Fragment);
93 }
94 }
95 }
96