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#pragma once |
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#include "SharedObjectInfo.h" |
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#include |
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#include |
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#include |
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#include |
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#include |
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#include |
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#include |
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#include |
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namespace panda { namespace backtrace { |
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namespace dwarf { |
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struct HighLow { |
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Dwarf_Addr high; |
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Dwarf_Addr low; |
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}; |
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enum class Match { yes, no, unknown }; |
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struct FunctionDetails { |
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panda::string name; |
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std::uint64_t line_no = 0; |
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}; |
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struct CUDetails { |
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panda::string name; |
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}; |
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struct DieHolder; |
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struct LookupResult; |
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struct DieRC: panda::Refcnt { |
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Dwarf_Die die; |
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Dwarf_Debug debug; |
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panda::iptr parent; |
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DieRC(Dwarf_Die die_, Dwarf_Debug debug_, panda::iptr parent_); |
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~DieRC(); |
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Dwarf_Die resolve_ref(Dwarf_Die source, Dwarf_Half attribute) noexcept; |
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panda::iptr discover(Dwarf_Die target) noexcept; |
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panda::iptr discover(Dwarf_Off target_offset, DieHolder& node) noexcept; |
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string gather_fqn() noexcept; |
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FunctionDetails refine_fn(LookupResult& lr) noexcept; |
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void refine_fn_ao(Dwarf_Die abstract_origin, FunctionDetails& details) noexcept; |
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void refine_fn_name(Dwarf_Die it, FunctionDetails& details) noexcept; |
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void refine_fn_line(LookupResult& lr, FunctionDetails& details) noexcept; |
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void refine_fn_line_fallback(Dwarf_Die it, FunctionDetails& details) noexcept; |
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void refine_fn_spec(Dwarf_Die specification, FunctionDetails& details) noexcept; |
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CUDetails refine_cu() noexcept; |
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}; |
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struct DieHolder { |
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Dwarf_Die die; |
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Dwarf_Debug debug; |
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DieHolder *parent; |
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panda::iptr owner; |
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DieHolder(panda::iptr owner); |
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DieHolder(Dwarf_Die die_, Dwarf_Debug debug_, DieHolder* parent); |
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DieHolder(const DieHolder&) = delete; |
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DieHolder(DieHolder&&) = delete; |
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panda::iptr detach(); |
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panda::optional get_addr() noexcept; |
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Match contains(std::uint64_t offset) noexcept; |
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~DieHolder(); |
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}; |
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struct LookupResult { |
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LookupResult() {} |
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LookupResult(const LookupResult&) = delete; |
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LookupResult(LookupResult&&); |
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bool is_complete() noexcept; |
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StackframePtr get_frame(std::uint64_t ip, const SharedObjectInfo& so) noexcept; |
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panda::iptr cu; |
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panda::iptr subprogram; |
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std::uint64_t offset{0}; |
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}; |
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struct CU { |
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Dwarf_Debug debug; |
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int number; |
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Dwarf_Unsigned header_length = 0; |
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Dwarf_Unsigned abbrev_offset = 0; |
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Dwarf_Half address_size = 0; |
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Dwarf_Half version_stamp = 0; |
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Dwarf_Half offset_size = 0; |
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Dwarf_Half extension_size = 0; |
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Dwarf_Unsigned typeoffset = 0; |
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Dwarf_Half header_type = DW_UT_compile; |
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Dwarf_Sig8 signature; |
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panda::iptr cu_die; |
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CU(Dwarf_Debug debug, int number_); |
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LookupResult resolve(std::uint64_t offset) noexcept; |
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bool resolve(std::uint64_t offset, DieHolder& die, LookupResult& lr) noexcept; |
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bool examine(std::uint64_t offset, DieHolder& die, LookupResult& lr) noexcept; |
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}; |
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using CUPtr = std::unique_ptr; |
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} |
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struct DwarfInfo; |
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struct DwarfInfo { |
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using file_guard_t = std::unique_ptr>; |
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SharedObjectInfo so_info; |
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Dwarf_Ptr err_arg = nullptr; |
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Dwarf_Debug debug = nullptr; |
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std::list CUs; |
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file_guard_t guard; |
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DwarfInfo(const SharedObjectInfo& info_):so_info{info_}{} |
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~DwarfInfo(); |
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bool load(file_guard_t&& guard) noexcept; |
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StackframePtr resolve(std::uint64_t ip) noexcept; |
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}; |
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using DwarfInfoMap = std::map>; |
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void install_backtracer(); |
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}} |