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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
79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
//===- ModuleDebugFragment.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_MODULEDEBUGFRAGMENTRECORD_H
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#define LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTRECORD_H
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#include "llvm/DebugInfo/CodeView/CodeView.h"
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#include "llvm/Support/BinaryStreamArray.h"
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#include "llvm/Support/BinaryStreamRef.h"
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#include "llvm/Support/BinaryStreamWriter.h"
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#include "llvm/Support/Endian.h"
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#include "llvm/Support/Error.h"
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namespace llvm {
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namespace codeview {
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class ModuleDebugFragment;
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// Corresponds to the `CV_DebugSSubsectionHeader_t` structure.
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struct ModuleDebugFragmentHeader {
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support::ulittle32_t Kind; // codeview::ModuleDebugFragmentKind enum
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support::ulittle32_t Length; // number of bytes occupied by this record.
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};
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class ModuleDebugFragmentRecord {
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public:
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ModuleDebugFragmentRecord();
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ModuleDebugFragmentRecord(ModuleDebugFragmentKind Kind, BinaryStreamRef Data);
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static Error initialize(BinaryStreamRef Stream,
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ModuleDebugFragmentRecord &Info);
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uint32_t getRecordLength() const;
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ModuleDebugFragmentKind kind() const;
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BinaryStreamRef getRecordData() const;
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private:
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ModuleDebugFragmentKind Kind;
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BinaryStreamRef Data;
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};
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class ModuleDebugFragmentRecordBuilder {
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public:
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ModuleDebugFragmentRecordBuilder(ModuleDebugFragmentKind Kind,
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ModuleDebugFragment &Frag);
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uint32_t calculateSerializedLength();
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Error commit(BinaryStreamWriter &Writer);
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private:
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ModuleDebugFragmentKind Kind;
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ModuleDebugFragment &Frag;
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};
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typedef VarStreamArray<ModuleDebugFragmentRecord> ModuleDebugFragmentArray;
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} // namespace codeview
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template <>
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struct VarStreamArrayExtractor<codeview::ModuleDebugFragmentRecord> {
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typedef void ContextType;
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static Error extract(BinaryStreamRef Stream, uint32_t &Length,
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codeview::ModuleDebugFragmentRecord &Info, void *Ctx) {
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if (auto EC = codeview::ModuleDebugFragmentRecord::initialize(Stream, Info))
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return EC;
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Length = Info.getRecordLength();
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return Error::success();
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}
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};
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} // namespace llvm
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#endif // LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTRECORD_H
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