dwarf-assembly/src/DwarfReader.hpp

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2018-04-23 15:08:27 +02:00
/** Use libdwarfpp to read the Dwarf data of some ELF, and output a SimpleDwarf
* structure. */
#pragma once
#include <string>
#include <dwarfpp/lib.hpp>
#include <dwarfpp/regs.hpp>
#include <dwarfpp/frame.hpp>
#include <dwarfpp/attr.hpp>
#include <dwarfpp/root.hpp>
#include "SimpleDwarf.hpp"
class DwarfReader {
public:
class InvalidDwarf: public std::exception {};
/** Read the elf file located at `path`. */
DwarfReader(const std::string& path);
/** Actually read the ELF file, generating a `SimpleDwarf` output. */
SimpleDwarf read() const;
private: //meth
SimpleDwarf::Fde read_fde(const dwarf::core::Fde& fde) const;
SimpleDwarf::DwRegister read_register(
const dwarf::core::FrameSection::register_def& reg) const;
SimpleDwarf::MachineRegister from_dwarfpp_reg(
int reg_id,
int ra_reg=-1
) const;
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class UnsupportedRegister: public std::exception {};
private:
dwarf::core::root_die root;
};