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//===- DWARFDebugFrame.h - Parsing of .debug_frame --------------*- 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_DWARF_DWARFDEBUGFRAME_H
#define LLVM_DEBUGINFO_DWARF_DWARFDEBUGFRAME_H
#include "llvm/Support/DataExtractor.h"
#include <memory>
#include <vector>
namespace llvm {
class FrameEntry;
class raw_ostream;
/// \brief A parsed .debug_frame or .eh_frame section
///
class DWARFDebugFrame {
// True if this is parsing an eh_frame section.
bool IsEH;
public:
DWARFDebugFrame(bool IsEH);
~DWARFDebugFrame();
/// Dump the section data into the given stream.
void dump(raw_ostream &OS, Optional<uint64_t> Offset) const;
/// \brief Parse the section from raw data.
/// data is assumed to be pointing to the beginning of the section.
void parse(DataExtractor Data);
/// Return whether the section has any entries.
bool empty() const { return Entries.empty(); }
/// Return the entry at the given offset or nullptr.
FrameEntry *getEntryAtOffset(uint64_t Offset) const;
private:
std::vector<std::unique_ptr<FrameEntry>> Entries;
};
} // end namespace llvm
#endif // LLVM_DEBUGINFO_DWARF_DWARFDEBUGFRAME_H
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