70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
/** 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"
|
|
|
|
typedef std::set<std::pair<int, dwarf::core::FrameSection::register_def> >
|
|
dwarfpp_row_t;
|
|
|
|
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();
|
|
|
|
private: //meth
|
|
SimpleDwarf::Fde read_fde(const dwarf::core::Fde& fde);
|
|
|
|
void append_results_to_fde(
|
|
const dwarf::core::FrameSection::instrs_results& results,
|
|
int ra_reg,
|
|
SimpleDwarf::Fde& output);
|
|
|
|
SimpleDwarf::DwRegister read_register(
|
|
const dwarf::core::FrameSection::register_def& reg) const;
|
|
|
|
void add_cell_to_row(
|
|
const dwarf::core::FrameSection::register_def& reg,
|
|
int reg_id,
|
|
int ra_reg,
|
|
SimpleDwarf::DwRow& cur_row);
|
|
|
|
void append_row_to_fde(
|
|
const dwarfpp_row_t& row,
|
|
uintptr_t row_addr,
|
|
int ra_reg,
|
|
SimpleDwarf::Fde& output);
|
|
|
|
SimpleDwarf::MachineRegister from_dwarfpp_reg(
|
|
int reg_id,
|
|
int ra_reg=-1
|
|
) const;
|
|
|
|
bool is_plt_expr(
|
|
const dwarf::core::FrameSection::register_def& reg) const;
|
|
|
|
bool interpret_simple_expr(
|
|
const dwarf::core::FrameSection::register_def& reg,
|
|
SimpleDwarf::DwRegister& output
|
|
) const;
|
|
|
|
class UnsupportedRegister: public std::exception {};
|
|
|
|
private:
|
|
dwarf::core::root_die root;
|
|
};
|