DWARFCompileUnit.h [plain text]
#ifndef LLVM_DEBUGINFO_DWARFCOMPILEUNIT_H
#define LLVM_DEBUGINFO_DWARFCOMPILEUNIT_H
#include "DWARFDebugAbbrev.h"
#include "DWARFDebugInfoEntry.h"
#include <vector>
namespace llvm {
class DWARFContext;
class raw_ostream;
class DWARFCompileUnit {
DWARFContext &Context;
uint32_t Offset;
uint32_t Length;
uint16_t Version;
const DWARFAbbreviationDeclarationSet *Abbrevs;
uint8_t AddrSize;
uint64_t BaseAddr;
std::vector<DWARFDebugInfoEntryMinimal> DieArray;
public:
DWARFCompileUnit(DWARFContext &context) : Context(context) {
clear();
}
DWARFContext &getContext() const { return Context; }
DataExtractor getDebugInfoExtractor() const;
bool extract(DataExtractor debug_info, uint32_t* offset_ptr);
uint32_t extract(uint32_t offset, DataExtractor debug_info_data,
const DWARFAbbreviationDeclarationSet *abbrevs);
size_t extractDIEsIfNeeded(bool cu_die_only);
void clear();
void dump(raw_ostream &OS);
uint32_t getOffset() const { return Offset; }
uint32_t getSize() const { return 11; }
bool containsDIEOffset(uint32_t die_offset) const {
return die_offset >= getFirstDIEOffset() &&
die_offset < getNextCompileUnitOffset();
}
uint32_t getFirstDIEOffset() const { return Offset + getSize(); }
uint32_t getNextCompileUnitOffset() const { return Offset + Length + 4; }
size_t getDebugInfoSize() const { return Length + 4 - getSize(); }
uint32_t getLength() const { return Length; }
uint16_t getVersion() const { return Version; }
const DWARFAbbreviationDeclarationSet *getAbbreviations() const {
return Abbrevs;
}
uint8_t getAddressByteSize() const { return AddrSize; }
uint64_t getBaseAddress() const { return BaseAddr; }
void setBaseAddress(uint64_t base_addr) {
BaseAddr = base_addr;
}
const DWARFDebugInfoEntryMinimal *
getCompileUnitDIE(bool extract_cu_die_only = true) {
extractDIEsIfNeeded(extract_cu_die_only);
if (DieArray.empty())
return NULL;
return &DieArray[0];
}
void setDIERelations();
void addDIE(DWARFDebugInfoEntryMinimal &die) {
if (DieArray.empty())
DieArray.reserve(getDebugInfoSize() / 14);
DieArray.push_back(die);
}
void clearDIEs(bool keep_compile_unit_die);
void buildAddressRangeTable(DWARFDebugAranges *debug_aranges,
bool clear_dies_if_already_not_parsed);
};
}
#endif