opnsense-src/include/llvm/DebugInfo/CodeView/DebugSubsectionRecord.h

77 lines
2.2 KiB
C++

//===- DebugSubsection.h ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTRECORD_H
#define LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTRECORD_H
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/Support/BinaryStreamArray.h"
#include "llvm/Support/BinaryStreamRef.h"
#include "llvm/Support/BinaryStreamWriter.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"
namespace llvm {
namespace codeview {
class DebugSubsection;
// Corresponds to the `CV_DebugSSubsectionHeader_t` structure.
struct DebugSubsectionHeader {
support::ulittle32_t Kind; // codeview::DebugSubsectionKind enum
support::ulittle32_t Length; // number of bytes occupied by this record.
};
class DebugSubsectionRecord {
public:
DebugSubsectionRecord();
DebugSubsectionRecord(DebugSubsectionKind Kind, BinaryStreamRef Data);
static Error initialize(BinaryStreamRef Stream, DebugSubsectionRecord &Info);
uint32_t getRecordLength() const;
DebugSubsectionKind kind() const;
BinaryStreamRef getRecordData() const;
private:
DebugSubsectionKind Kind;
BinaryStreamRef Data;
};
class DebugSubsectionRecordBuilder {
public:
DebugSubsectionRecordBuilder(DebugSubsectionKind Kind, DebugSubsection &Frag);
uint32_t calculateSerializedLength();
Error commit(BinaryStreamWriter &Writer);
private:
DebugSubsectionKind Kind;
DebugSubsection &Frag;
};
} // namespace codeview
template <> struct VarStreamArrayExtractor<codeview::DebugSubsectionRecord> {
typedef void ContextType;
static Error extract(BinaryStreamRef Stream, uint32_t &Length,
codeview::DebugSubsectionRecord &Info) {
if (auto EC = codeview::DebugSubsectionRecord::initialize(Stream, Info))
return EC;
Length = Info.getRecordLength();
return Error::success();
}
};
namespace codeview {
typedef VarStreamArray<DebugSubsectionRecord> DebugSubsectionArray;
}
} // namespace llvm
#endif // LLVM_DEBUGINFO_CODEVIEW_MODULEDEBUGFRAGMENTRECORD_H