xref: /freebsd/contrib/llvm-project/llvm/lib/DebugInfo/CodeView/DebugSubsectionVisitor.cpp (revision 6966ac055c3b7a39266fb982493330df7a097997)
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/DebugChecksumsSubsection.h"
12 #include "llvm/DebugInfo/CodeView/DebugCrossExSubsection.h"
13 #include "llvm/DebugInfo/CodeView/DebugCrossImpSubsection.h"
14 #include "llvm/DebugInfo/CodeView/DebugFrameDataSubsection.h"
15 #include "llvm/DebugInfo/CodeView/DebugInlineeLinesSubsection.h"
16 #include "llvm/DebugInfo/CodeView/DebugLinesSubsection.h"
17 #include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
18 #include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
19 #include "llvm/DebugInfo/CodeView/DebugSymbolRVASubsection.h"
20 #include "llvm/DebugInfo/CodeView/DebugSymbolsSubsection.h"
21 #include "llvm/DebugInfo/CodeView/DebugUnknownSubsection.h"
22 #include "llvm/Support/BinaryStreamReader.h"
23 #include "llvm/Support/BinaryStreamRef.h"
24 
25 using namespace llvm;
26 using namespace llvm::codeview;
27 
28 Error llvm::codeview::visitDebugSubsection(
29     const DebugSubsectionRecord &R, DebugSubsectionVisitor &V,
30     const StringsAndChecksumsRef &State) {
31   BinaryStreamReader Reader(R.getRecordData());
32   switch (R.kind()) {
33   case DebugSubsectionKind::Lines: {
34     DebugLinesSubsectionRef Fragment;
35     if (auto EC = Fragment.initialize(Reader))
36       return EC;
37 
38     return V.visitLines(Fragment, State);
39   }
40   case DebugSubsectionKind::FileChecksums: {
41     DebugChecksumsSubsectionRef Fragment;
42     if (auto EC = Fragment.initialize(Reader))
43       return EC;
44 
45     return V.visitFileChecksums(Fragment, State);
46   }
47   case DebugSubsectionKind::InlineeLines: {
48     DebugInlineeLinesSubsectionRef Fragment;
49     if (auto EC = Fragment.initialize(Reader))
50       return EC;
51     return V.visitInlineeLines(Fragment, State);
52   }
53   case DebugSubsectionKind::CrossScopeExports: {
54     DebugCrossModuleExportsSubsectionRef Section;
55     if (auto EC = Section.initialize(Reader))
56       return EC;
57     return V.visitCrossModuleExports(Section, State);
58   }
59   case DebugSubsectionKind::CrossScopeImports: {
60     DebugCrossModuleImportsSubsectionRef Section;
61     if (auto EC = Section.initialize(Reader))
62       return EC;
63     return V.visitCrossModuleImports(Section, State);
64   }
65   case DebugSubsectionKind::Symbols: {
66     DebugSymbolsSubsectionRef Section;
67     if (auto EC = Section.initialize(Reader))
68       return EC;
69     return V.visitSymbols(Section, State);
70   }
71   case DebugSubsectionKind::StringTable: {
72     DebugStringTableSubsectionRef Section;
73     if (auto EC = Section.initialize(Reader))
74       return EC;
75     return V.visitStringTable(Section, State);
76   }
77   case DebugSubsectionKind::FrameData: {
78     DebugFrameDataSubsectionRef Section;
79     if (auto EC = Section.initialize(Reader))
80       return EC;
81     return V.visitFrameData(Section, State);
82   }
83   case DebugSubsectionKind::CoffSymbolRVA: {
84     DebugSymbolRVASubsectionRef Section;
85     if (auto EC = Section.initialize(Reader))
86       return EC;
87     return V.visitCOFFSymbolRVAs(Section, State);
88   }
89   default: {
90     DebugUnknownSubsectionRef Fragment(R.kind(), R.getRecordData());
91     return V.visitUnknown(Fragment);
92   }
93   }
94 }
95