DWARFDebugArangeSet.h [plain text]
#ifndef LLVM_DEBUGINFO_DWARFDEBUGARANGESET_H
#define LLVM_DEBUGINFO_DWARFDEBUGARANGESET_H
#include "llvm/Support/DataExtractor.h"
#include <vector>
namespace llvm {
class raw_ostream;
class DWARFDebugArangeSet {
public:
struct Header {
uint32_t Length;
uint32_t CuOffset;
uint16_t Version;
uint8_t AddrSize;
uint8_t SegSize;
};
struct Descriptor {
uint64_t Address;
uint64_t Length;
uint64_t getEndAddress() const { return Address + Length; }
};
private:
typedef std::vector<Descriptor> DescriptorColl;
typedef DescriptorColl::iterator DescriptorIter;
typedef DescriptorColl::const_iterator DescriptorConstIter;
uint32_t Offset;
Header Header;
DescriptorColl ArangeDescriptors;
public:
DWARFDebugArangeSet() { clear(); }
void clear();
void compact();
bool extract(DataExtractor data, uint32_t *offset_ptr);
void dump(raw_ostream &OS) const;
uint32_t getCompileUnitDIEOffset() const { return Header.CuOffset; }
uint32_t getOffsetOfNextEntry() const { return Offset + Header.Length + 4; }
uint32_t findAddress(uint64_t address) const;
uint32_t getNumDescriptors() const { return ArangeDescriptors.size(); }
const struct Header &getHeader() const { return Header; }
const Descriptor *getDescriptor(uint32_t i) const {
if (i < ArangeDescriptors.size())
return &ArangeDescriptors[i];
return NULL;
}
};
}
#endif