DebugInfo/CodeView/DebugSymbolRVASubsection.h

0001 //===- DebugSymbolRVASubsection.h -------------------------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGSYMBOLRVASUBSECTION_H
0010 #define LLVM_DEBUGINFO_CODEVIEW_DEBUGSYMBOLRVASUBSECTION_H
0011
0012 #include "llvm/DebugInfo/CodeView/CodeView.h"
0013 #include "llvm/DebugInfo/CodeView/DebugSubsection.h"
0014 #include "llvm/Support/BinaryStreamArray.h"
0015 #include "llvm/Support/Endian.h"
0016 #include "llvm/Support/Error.h"
0017 #include <cstdint>
0018 #include <vector>
0019
0020 namespace llvm {
0021
0022 class BinaryStreamReader;
0023
0024 namespace codeview {
0025
0026 class DebugSymbolRVASubsectionRef final : public DebugSubsectionRef {
0027 public:
0028   using ArrayType = FixedStreamArray<support::ulittle32_t>;
0029
0030   DebugSymbolRVASubsectionRef();
0031
0032   static bool classof(const DebugSubsectionRef *S) {
0033     return S->kind() == DebugSubsectionKind::CoffSymbolRVA;
0034   }
0035
0036   ArrayType::Iterator begin() const { return RVAs.begin(); }
0037   ArrayType::Iterator end() const { return RVAs.end(); }
0038
0039   Error initialize(BinaryStreamReader &Reader);
0040
0041 private:
0042   ArrayType RVAs;
0043 };
0044
0045 class DebugSymbolRVASubsection final : public DebugSubsection {
0046 public:
0047   DebugSymbolRVASubsection();
0048
0049   static bool classof(const DebugSubsection *S) {
0050     return S->kind() == DebugSubsectionKind::CoffSymbolRVA;
0051   }
0052
0053   Error commit(BinaryStreamWriter &Writer) const override;
0054   uint32_t calculateSerializedSize() const override;
0055
0056   void addRVA(uint32_t RVA) { RVAs.push_back(support::ulittle32_t(RVA)); }
0057
0058 private:
0059   std::vector<support::ulittle32_t> RVAs;
0060 };
0061
0062 } // end namespace codeview
0063
0064 } // end namespace llvm
0065
0066 #endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGSYMBOLRVASUBSECTION_H