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
25using namespace llvm;
26using namespace llvm::codeview;
27
28Error 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