llvm-6502/lib/DebugInfo/DWARFAcceleratorTable.h

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//===--- DWARFAcceleratorTable.h --------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "DWARFRelocMap.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/DebugInfo/DWARFFormValue.h"
#include <cstdint>
namespace llvm {
class DWARFAcceleratorTable {
struct Header {
uint32_t Magic;
uint16_t Version;
uint16_t HashFunction;
uint32_t NumBuckets;
uint32_t NumHashes;
uint32_t HeaderDataLength;
};
struct HeaderData {
typedef uint16_t AtomType;
typedef uint16_t Form;
uint32_t DIEOffsetBase;
SmallVector<std::pair<AtomType, Form>, 3> Atoms;
};
struct Header Hdr;
struct HeaderData HdrData;
DataExtractor AccelSection;
DataExtractor StringSection;
const RelocAddrMap& Relocs;
public:
DWARFAcceleratorTable(DataExtractor AccelSection, DataExtractor StringSection,
const RelocAddrMap &Relocs)
: AccelSection(AccelSection), StringSection(StringSection), Relocs(Relocs) {}
bool extract();
void dump(raw_ostream &OS) const;
};
}