llvm-project/llvm/lib/DebugInfo/DWARFDebugAbbrev.h

74 lines
2.1 KiB
C++

//===-- DWARFDebugAbbrev.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_DWARFDEBUGABBREV_H
#define LLVM_DEBUGINFO_DWARFDEBUGABBREV_H
#include "DWARFAbbreviationDeclaration.h"
#include <list>
#include <map>
#include <vector>
namespace llvm {
typedef std::vector<DWARFAbbreviationDeclaration>
DWARFAbbreviationDeclarationColl;
typedef DWARFAbbreviationDeclarationColl::iterator
DWARFAbbreviationDeclarationCollIter;
typedef DWARFAbbreviationDeclarationColl::const_iterator
DWARFAbbreviationDeclarationCollConstIter;
class DWARFAbbreviationDeclarationSet {
uint32_t Offset;
uint32_t IdxOffset;
std::vector<DWARFAbbreviationDeclaration> Decls;
public:
DWARFAbbreviationDeclarationSet()
: Offset(0), IdxOffset(0) {}
DWARFAbbreviationDeclarationSet(uint32_t offset, uint32_t idxOffset)
: Offset(offset), IdxOffset(idxOffset) {}
void clear() {
IdxOffset = 0;
Decls.clear();
}
uint32_t getOffset() const { return Offset; }
void dump(raw_ostream &OS) const;
bool extract(DataExtractor data, uint32_t* offset_ptr);
const DWARFAbbreviationDeclaration *
getAbbreviationDeclaration(uint32_t abbrCode) const;
};
class DWARFDebugAbbrev {
public:
typedef std::map<uint64_t, DWARFAbbreviationDeclarationSet>
DWARFAbbreviationDeclarationCollMap;
typedef DWARFAbbreviationDeclarationCollMap::iterator
DWARFAbbreviationDeclarationCollMapIter;
typedef DWARFAbbreviationDeclarationCollMap::const_iterator
DWARFAbbreviationDeclarationCollMapConstIter;
private:
DWARFAbbreviationDeclarationCollMap AbbrevCollMap;
mutable DWARFAbbreviationDeclarationCollMapConstIter PrevAbbrOffsetPos;
public:
DWARFDebugAbbrev();
const DWARFAbbreviationDeclarationSet *
getAbbreviationDeclarationSet(uint64_t cu_abbr_offset) const;
void dump(raw_ostream &OS) const;
void parse(DataExtractor data);
};
}
#endif