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4c78c0e348
Differential Revision: https://reviews.llvm.org/D32716 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301882 91177308-0d34-0410-b5e6-96231b3b80d8
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
//===- ModuleDebugFileChecksumFragment.h ------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFILECHECKSUMFRAGMENT_H
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#define LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFILECHECKSUMFRAGMENT_H
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#include "llvm/ADT/ArrayRef.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/DebugInfo/CodeView/ModuleDebugFragment.h"
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#include "llvm/Support/Allocator.h"
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#include "llvm/Support/BinaryStreamArray.h"
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#include "llvm/Support/BinaryStreamReader.h"
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#include "llvm/Support/Endian.h"
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namespace llvm {
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namespace codeview {
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struct FileChecksumEntry {
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uint32_t FileNameOffset; // Byte offset of filename in global stringtable.
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FileChecksumKind Kind; // The type of checksum.
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ArrayRef<uint8_t> Checksum; // The bytes of the checksum.
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};
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}
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}
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namespace llvm {
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template <> struct VarStreamArrayExtractor<codeview::FileChecksumEntry> {
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public:
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typedef void ContextType;
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static Error extract(BinaryStreamRef Stream, uint32_t &Len,
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codeview::FileChecksumEntry &Item, void *Ctx);
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};
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}
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namespace llvm {
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namespace codeview {
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class ModuleDebugFileChecksumFragmentRef final : public ModuleDebugFragmentRef {
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typedef VarStreamArray<codeview::FileChecksumEntry> FileChecksumArray;
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typedef FileChecksumArray::Iterator Iterator;
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public:
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ModuleDebugFileChecksumFragmentRef()
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: ModuleDebugFragmentRef(ModuleDebugFragmentKind::FileChecksums) {}
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static bool classof(const ModuleDebugFragmentRef *S) {
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return S->kind() == ModuleDebugFragmentKind::FileChecksums;
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}
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Error initialize(BinaryStreamReader Reader);
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Iterator begin() const { return Checksums.begin(); }
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Iterator end() const { return Checksums.end(); }
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const FileChecksumArray &getArray() const { return Checksums; }
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private:
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FileChecksumArray Checksums;
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};
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class ModuleDebugFileChecksumFragment final : public ModuleDebugFragment {
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public:
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ModuleDebugFileChecksumFragment();
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static bool classof(const ModuleDebugFragment *S) {
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return S->kind() == ModuleDebugFragmentKind::FileChecksums;
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}
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void addChecksum(uint32_t StringTableOffset, FileChecksumKind Kind,
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ArrayRef<uint8_t> Bytes);
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uint32_t calculateSerializedLength() override;
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Error commit(BinaryStreamWriter &Writer) override;
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uint32_t mapChecksumOffset(uint32_t StringTableOffset) const;
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private:
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DenseMap<uint32_t, uint32_t> OffsetMap;
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uint32_t SerializedSize = 0;
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llvm::BumpPtrAllocator Storage;
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std::vector<FileChecksumEntry> Checksums;
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};
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}
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}
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#endif
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