70 lines
2 KiB
C++
70 lines
2 KiB
C++
#pragma once
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#include <string>
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#include <memory>
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#include <cstdint>
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#include <dwarfpp/lib.hpp>
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#include <dwarfpp/regs.hpp>
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#include <dwarfpp/frame.hpp>
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#include <dwarfpp/attr.hpp>
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#include <dwarfpp/frame.hpp>
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#include <dwarfpp/root.hpp>
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class DwarfInterpret {
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/** Singleton class holding a Dwarf interpret.
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* Must be first instanciated with the path to the binary being run, with a
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* call to `instanciate`, and can afterwards be accessed with calls to
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* `acquire`.
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*/
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public:
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class NotInstanciated: public std::exception {};
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class AlreadyInstanciated: public std::exception {};
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class ValuelessRegister: public std::exception {};
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class NotImplemented: public std::exception {};
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class FailedGetContext: public std::exception {};
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typedef dwarf::core::FrameSection::register_def DwarfRegister;
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typedef std::set<std::pair<int, DwarfRegister> > DwarfRow; // FIXME
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typedef uintptr_t reg_content_t;
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private:
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//typedef std::set<std::pair<int, DwarfRegister> > DwarfRow;
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public:
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DwarfInterpret(DwarfInterpret const&) = delete;
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void operator=(DwarfInterpret const&) = delete;
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static DwarfInterpret& acquire();
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static DwarfInterpret& instanciate(const std::string& elf_path);
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int get_elf_machine() const { return elf_machine; }
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reg_content_t interpret_dw_register(
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const DwarfRow& row,
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const DwarfRegister& reg
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) const;
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reg_content_t interpret_dw_register(
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const DwarfRow& row,
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int reg_id
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) const;
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private:
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DwarfInterpret(const std::string& elf_path);
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DwarfRegister get_column(const DwarfRow& row, int column) const;
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reg_content_t get_cpu_register(int reg_id) const;
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private: // members
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static std::unique_ptr<DwarfInterpret> instance;
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dwarf::core::root_die root_die;
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int elf_machine;
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friend class std::unique_ptr<DwarfInterpret>;
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};
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