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      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