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
26using namespace llvm;
27using namespace llvm::codeview;
28
29Error 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